diff options
Diffstat (limited to 'drivers/acpi')
184 files changed, 6032 insertions, 2270 deletions
diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig index 7556913aba45..47768ff87343 100644 --- a/drivers/acpi/Kconfig +++ b/drivers/acpi/Kconfig @@ -384,6 +384,15 @@ config ACPI_CUSTOM_METHOD load additional kernel modules after boot, this feature may be used to override that restriction). +config ACPI_BGRT + tristate "Boottime Graphics Resource Table support" + default n + help + This driver adds support for exposing the ACPI Boottime Graphics + Resource Table, which allows the operating system to obtain + data from the firmware boot splash. It will appear under + /sys/firmware/acpi/bgrt/ . + source "drivers/acpi/apei/Kconfig" endif # ACPI diff --git a/drivers/acpi/Makefile b/drivers/acpi/Makefile index ecb26b4f29a0..47199e2a9130 100644 --- a/drivers/acpi/Makefile +++ b/drivers/acpi/Makefile @@ -19,12 +19,12 @@ obj-y += acpi.o \ # All the builtin files are in the "acpi." module_param namespace. acpi-y += osl.o utils.o reboot.o -acpi-y += atomicio.o +acpi-y += nvs.o # sleep related files acpi-y += wakeup.o acpi-y += sleep.o -acpi-$(CONFIG_ACPI_SLEEP) += proc.o nvs.o +acpi-$(CONFIG_ACPI_SLEEP) += proc.o # @@ -62,6 +62,7 @@ obj-$(CONFIG_ACPI_SBS) += sbs.o obj-$(CONFIG_ACPI_HED) += hed.o obj-$(CONFIG_ACPI_EC_DEBUGFS) += ec_sys.o obj-$(CONFIG_ACPI_CUSTOM_METHOD)+= custom_method.o +obj-$(CONFIG_ACPI_BGRT) += bgrt.o # processor has its own "processor." module_param namespace processor-y := processor_driver.o processor_throttling.o diff --git a/drivers/acpi/acpica/Makefile b/drivers/acpi/acpica/Makefile index 301bd2d388ad..793b8cc8e256 100644 --- a/drivers/acpi/acpica/Makefile +++ b/drivers/acpi/acpica/Makefile @@ -8,41 +8,153 @@ ccflags-$(CONFIG_ACPI_DEBUG) += -DACPI_DEBUG_OUTPUT # use acpi.o to put all files here into acpi.o modparam namespace obj-y += acpi.o -acpi-y := dsfield.o dsmthdat.o dsopcode.o dswexec.o dswscope.o \ - dsmethod.o dsobject.o dsutils.o dswload.o dswstate.o \ - dsinit.o dsargs.o dscontrol.o dswload2.o +acpi-y := \ + dsargs.o \ + dscontrol.o \ + dsfield.o \ + dsinit.o \ + dsmethod.o \ + dsmthdat.o \ + dsobject.o \ + dsopcode.o \ + dsutils.o \ + dswexec.o \ + dswload.o \ + dswload2.o \ + dswscope.o \ + dswstate.o -acpi-y += evevent.o evregion.o evsci.o evxfevnt.o \ - evmisc.o evrgnini.o evxface.o evxfregn.o \ - evgpe.o evgpeblk.o evgpeinit.o evgpeutil.o evxfgpe.o evglock.o +acpi-y += \ + evevent.o \ + evgpe.o \ + evgpeblk.o \ + evgpeinit.o \ + evgpeutil.o \ + evglock.o \ + evmisc.o \ + evregion.o \ + evrgnini.o \ + evsci.o \ + evxface.o \ + evxfevnt.o \ + evxfgpe.o \ + evxfregn.o -acpi-y += exconfig.o exfield.o exnames.o exoparg6.o exresolv.o exstorob.o\ - exconvrt.o exfldio.o exoparg1.o exprep.o exresop.o exsystem.o\ - excreate.o exmisc.o exoparg2.o exregion.o exstore.o exutils.o \ - exdump.o exmutex.o exoparg3.o exresnte.o exstoren.o exdebug.o +acpi-y += \ + exconfig.o \ + exconvrt.o \ + excreate.o \ + exdebug.o \ + exdump.o \ + exfield.o \ + exfldio.o \ + exmutex.o \ + exnames.o \ + exoparg1.o \ + exoparg2.o \ + exoparg3.o \ + exoparg6.o \ + exprep.o \ + exmisc.o \ + exregion.o \ + exresnte.o \ + exresolv.o \ + exresop.o \ + exstore.o \ + exstoren.o \ + exstorob.o \ + exsystem.o \ + exutils.o -acpi-y += hwacpi.o hwgpe.o hwregs.o hwsleep.o hwxface.o hwvalid.o hwpci.o +acpi-y += \ + hwacpi.o \ + hwesleep.o \ + hwgpe.o \ + hwpci.o \ + hwregs.o \ + hwsleep.o \ + hwvalid.o \ + hwxface.o \ + hwxfsleep.o acpi-$(ACPI_FUTURE_USAGE) += hwtimer.o -acpi-y += nsaccess.o nsload.o nssearch.o nsxfeval.o \ - nsalloc.o nseval.o nsnames.o nsutils.o nsxfname.o \ - nsdump.o nsinit.o nsobject.o nswalk.o nsxfobj.o \ - nsparse.o nspredef.o nsrepair.o nsrepair2.o +acpi-y += \ + nsaccess.o \ + nsalloc.o \ + nsdump.o \ + nseval.o \ + nsinit.o \ + nsload.o \ + nsnames.o \ + nsobject.o \ + nsparse.o \ + nspredef.o \ + nsrepair.o \ + nsrepair2.o \ + nssearch.o \ + nsutils.o \ + nswalk.o \ + nsxfeval.o \ + nsxfname.o \ + nsxfobj.o acpi-$(ACPI_FUTURE_USAGE) += nsdumpdv.o -acpi-y += psargs.o psparse.o psloop.o pstree.o pswalk.o \ - psopcode.o psscope.o psutils.o psxface.o +acpi-y += \ + psargs.o \ + psloop.o \ + psopcode.o \ + psparse.o \ + psscope.o \ + pstree.o \ + psutils.o \ + pswalk.o \ + psxface.o -acpi-y += rsaddr.o rscreate.o rsinfo.o rsio.o rslist.o rsmisc.o rsxface.o \ - rscalc.o rsirq.o rsmemory.o rsutils.o +acpi-y += \ + rsaddr.o \ + rscalc.o \ + rscreate.o \ + rsinfo.o \ + rsio.o \ + rsirq.o \ + rslist.o \ + rsmemory.o \ + rsmisc.o \ + rsserial.o \ + rsutils.o \ + rsxface.o acpi-$(ACPI_FUTURE_USAGE) += rsdump.o -acpi-y += tbxface.o tbinstal.o tbutils.o tbfind.o tbfadt.o tbxfroot.o +acpi-y += \ + tbfadt.o \ + tbfind.o \ + tbinstal.o \ + tbutils.o \ + tbxface.o \ + tbxfroot.o -acpi-y += utalloc.o utdebug.o uteval.o utinit.o utmisc.o utxface.o \ - utcopy.o utdelete.o utglobal.o utmath.o utobject.o \ - utstate.o utmutex.o utobject.o utresrc.o utlock.o utids.o \ - utosi.o utxferror.o utdecode.o +acpi-y += \ + utaddress.o \ + utalloc.o \ + utcopy.o \ + utdebug.o \ + utdecode.o \ + utdelete.o \ + uteval.o \ + utglobal.o \ + utids.o \ + utinit.o \ + utlock.o \ + utmath.o \ + utmisc.o \ + utmutex.o \ + utobject.o \ + utosi.o \ + utresrc.o \ + utstate.o \ + utxface.o \ + utxferror.o \ + utxfmutex.o diff --git a/drivers/acpi/acpica/accommon.h b/drivers/acpi/acpica/accommon.h index e0ba17f0a7c8..8a7d51bfb3b3 100644 --- a/drivers/acpi/acpica/accommon.h +++ b/drivers/acpi/acpica/accommon.h @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -51,7 +51,6 @@ * * Note: The order of these include files is important. */ -#include "acconfig.h" /* Global configuration constants */ #include "acmacros.h" /* C macros */ #include "aclocal.h" /* Internal data types */ #include "acobject.h" /* ACPI internal object */ diff --git a/drivers/acpi/acpica/acconfig.h b/drivers/acpi/acpica/acconfig.h deleted file mode 100644 index f895a244ca7e..000000000000 --- a/drivers/acpi/acpica/acconfig.h +++ /dev/null @@ -1,226 +0,0 @@ -/****************************************************************************** - * - * Name: acconfig.h - Global configuration constants - * - *****************************************************************************/ - -/* - * Copyright (C) 2000 - 2011, Intel Corp. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions, and the following disclaimer, - * without modification. - * 2. Redistributions in binary form must reproduce at minimum a disclaimer - * substantially similar to the "NO WARRANTY" disclaimer below - * ("Disclaimer") and any redistribution must be conditioned upon - * including a substantially similar Disclaimer requirement for further - * binary redistribution. - * 3. Neither the names of the above-listed copyright holders nor the names - * of any contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * Alternatively, this software may be distributed under the terms of the - * GNU General Public License ("GPL") version 2 as published by the Free - * Software Foundation. - * - * NO WARRANTY - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, - * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING - * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGES. - */ - -#ifndef _ACCONFIG_H -#define _ACCONFIG_H - -/****************************************************************************** - * - * Configuration options - * - *****************************************************************************/ - -/* - * ACPI_DEBUG_OUTPUT - This switch enables all the debug facilities of the - * ACPI subsystem. This includes the DEBUG_PRINT output - * statements. When disabled, all DEBUG_PRINT - * statements are compiled out. - * - * ACPI_APPLICATION - Use this switch if the subsystem is going to be run - * at the application level. - * - */ - -/* - * OS name, used for the _OS object. The _OS object is essentially obsolete, - * but there is a large base of ASL/AML code in existing machines that check - * for the string below. The use of this string usually guarantees that - * the ASL will execute down the most tested code path. Also, there is some - * code that will not execute the _OSI method unless _OS matches the string - * below. Therefore, change this string at your own risk. - */ -#define ACPI_OS_NAME "Microsoft Windows NT" - -/* Maximum objects in the various object caches */ - -#define ACPI_MAX_STATE_CACHE_DEPTH 96 /* State objects */ -#define ACPI_MAX_PARSE_CACHE_DEPTH 96 /* Parse tree objects */ -#define ACPI_MAX_EXTPARSE_CACHE_DEPTH 96 /* Parse tree objects */ -#define ACPI_MAX_OBJECT_CACHE_DEPTH 96 /* Interpreter operand objects */ -#define ACPI_MAX_NAMESPACE_CACHE_DEPTH 96 /* Namespace objects */ - -/* - * Should the subsystem abort the loading of an ACPI table if the - * table checksum is incorrect? - */ -#define ACPI_CHECKSUM_ABORT FALSE - -/****************************************************************************** - * - * Subsystem Constants - * - *****************************************************************************/ - -/* Version of ACPI supported */ - -#define ACPI_CA_SUPPORT_LEVEL 3 - -/* Maximum count for a semaphore object */ - -#define ACPI_MAX_SEMAPHORE_COUNT 256 - -/* Maximum object reference count (detects object deletion issues) */ - -#define ACPI_MAX_REFERENCE_COUNT 0x1000 - -/* Default page size for use in mapping memory for operation regions */ - -#define ACPI_DEFAULT_PAGE_SIZE 4096 /* Must be power of 2 */ - -/* owner_id tracking. 8 entries allows for 255 owner_ids */ - -#define ACPI_NUM_OWNERID_MASKS 8 - -/* Size of the root table array is increased by this increment */ - -#define ACPI_ROOT_TABLE_SIZE_INCREMENT 4 - -/* Maximum number of While() loop iterations before forced abort */ - -#define ACPI_MAX_LOOP_ITERATIONS 0xFFFF - -/* Maximum sleep allowed via Sleep() operator */ - -#define ACPI_MAX_SLEEP 2000 /* Two seconds */ - -/****************************************************************************** - * - * ACPI Specification constants (Do not change unless the specification changes) - * - *****************************************************************************/ - -/* Number of distinct GPE register blocks and register width */ - -#define ACPI_MAX_GPE_BLOCKS 2 -#define ACPI_GPE_REGISTER_WIDTH 8 - -/* Method info (in WALK_STATE), containing local variables and argumetns */ - -#define ACPI_METHOD_NUM_LOCALS 8 -#define ACPI_METHOD_MAX_LOCAL 7 - -#define ACPI_METHOD_NUM_ARGS 7 -#define ACPI_METHOD_MAX_ARG 6 - -/* Length of _HID, _UID, _CID, and UUID values */ - -#define ACPI_DEVICE_ID_LENGTH 0x09 -#define ACPI_MAX_CID_LENGTH 48 -#define ACPI_UUID_LENGTH 16 - -/* - * Operand Stack (in WALK_STATE), Must be large enough to contain METHOD_MAX_ARG - */ -#define ACPI_OBJ_NUM_OPERANDS 8 -#define ACPI_OBJ_MAX_OPERAND 7 - -/* Number of elements in the Result Stack frame, can be an arbitrary value */ - -#define ACPI_RESULTS_FRAME_OBJ_NUM 8 - -/* - * Maximal number of elements the Result Stack can contain, - * it may be an arbitray value not exceeding the types of - * result_size and result_count (now u8). - */ -#define ACPI_RESULTS_OBJ_NUM_MAX 255 - -/* Names within the namespace are 4 bytes long */ - -#define ACPI_NAME_SIZE 4 -#define ACPI_PATH_SEGMENT_LENGTH 5 /* 4 chars for name + 1 char for separator */ -#define ACPI_PATH_SEPARATOR '.' - -/* Sizes for ACPI table headers */ - -#define ACPI_OEM_ID_SIZE 6 -#define ACPI_OEM_TABLE_ID_SIZE 8 - -/* Constants used in searching for the RSDP in low memory */ - -#define ACPI_EBDA_PTR_LOCATION 0x0000040E /* Physical Address */ -#define ACPI_EBDA_PTR_LENGTH 2 -#define ACPI_EBDA_WINDOW_SIZE 1024 -#define ACPI_HI_RSDP_WINDOW_BASE 0x000E0000 /* Physical Address */ -#define ACPI_HI_RSDP_WINDOW_SIZE 0x00020000 -#define ACPI_RSDP_SCAN_STEP 16 - -/* Operation regions */ - -#define ACPI_USER_REGION_BEGIN 0x80 - -/* Maximum space_ids for Operation Regions */ - -#define ACPI_MAX_ADDRESS_SPACE 255 - -/* Array sizes. Used for range checking also */ - -#define ACPI_MAX_MATCH_OPCODE 5 - -/* RSDP checksums */ - -#define ACPI_RSDP_CHECKSUM_LENGTH 20 -#define ACPI_RSDP_XCHECKSUM_LENGTH 36 - -/* SMBus and IPMI bidirectional buffer size */ - -#define ACPI_SMBUS_BUFFER_SIZE 34 -#define ACPI_IPMI_BUFFER_SIZE 66 - -/* _sx_d and _sx_w control methods */ - -#define ACPI_NUM_sx_d_METHODS 4 -#define ACPI_NUM_sx_w_METHODS 5 - -/****************************************************************************** - * - * ACPI AML Debugger - * - *****************************************************************************/ - -#define ACPI_DEBUGGER_MAX_ARGS 8 /* Must be max method args + 1 */ - -#define ACPI_DEBUGGER_COMMAND_PROMPT '-' -#define ACPI_DEBUGGER_EXECUTE_PROMPT '%' - -#endif /* _ACCONFIG_H */ diff --git a/drivers/acpi/acpica/acdebug.h b/drivers/acpi/acpica/acdebug.h index eb0b1f8dee6d..5e8abb07724f 100644 --- a/drivers/acpi/acpica/acdebug.h +++ b/drivers/acpi/acpica/acdebug.h @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -111,7 +111,7 @@ acpi_status acpi_db_find_name_in_namespace(char *name_arg); void acpi_db_set_scope(char *name); -acpi_status acpi_db_sleep(char *object_arg); +ACPI_HW_DEPENDENT_RETURN_OK(acpi_status acpi_db_sleep(char *object_arg)) void acpi_db_find_references(char *object_arg); @@ -119,11 +119,13 @@ void acpi_db_display_locks(void); void acpi_db_display_resources(char *object_arg); -void acpi_db_display_gpes(void); +ACPI_HW_DEPENDENT_RETURN_VOID(void acpi_db_display_gpes(void)) void acpi_db_check_integrity(void); -void acpi_db_generate_gpe(char *gpe_arg, char *block_arg); +ACPI_HW_DEPENDENT_RETURN_VOID(void + acpi_db_generate_gpe(char *gpe_arg, + char *block_arg)) void acpi_db_check_predefined_names(void); diff --git a/drivers/acpi/acpica/acdispat.h b/drivers/acpi/acpica/acdispat.h index 2d1b7ffa377a..5935ba6707e2 100644 --- a/drivers/acpi/acpica/acdispat.h +++ b/drivers/acpi/acpica/acdispat.h @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/acpica/acevents.h b/drivers/acpi/acpica/acevents.h index bea3b4899183..d700f63e4701 100644 --- a/drivers/acpi/acpica/acevents.h +++ b/drivers/acpi/acpica/acevents.h @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -69,11 +69,10 @@ acpi_ev_queue_notify_request(struct acpi_namespace_node *node, */ acpi_status acpi_ev_init_global_lock_handler(void); -acpi_status acpi_ev_acquire_global_lock(u16 timeout); - -acpi_status acpi_ev_release_global_lock(void); - -acpi_status acpi_ev_remove_global_lock_handler(void); +ACPI_HW_DEPENDENT_RETURN_OK(acpi_status + acpi_ev_acquire_global_lock(u16 timeout)) + ACPI_HW_DEPENDENT_RETURN_OK(acpi_status acpi_ev_release_global_lock(void)) + acpi_status acpi_ev_remove_global_lock_handler(void); /* * evgpe - Low-level GPE support @@ -114,7 +113,9 @@ acpi_ev_initialize_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info, struct acpi_gpe_block_info *gpe_block, void *context); -acpi_status acpi_ev_delete_gpe_block(struct acpi_gpe_block_info *gpe_block); +ACPI_HW_DEPENDENT_RETURN_OK(acpi_status + acpi_ev_delete_gpe_block(struct acpi_gpe_block_info + *gpe_block)) u32 acpi_ev_gpe_dispatch(struct acpi_namespace_node *gpe_device, @@ -126,9 +127,10 @@ acpi_ev_gpe_dispatch(struct acpi_namespace_node *gpe_device, */ acpi_status acpi_ev_gpe_initialize(void); -void acpi_ev_update_gpes(acpi_owner_id table_owner_id); +ACPI_HW_DEPENDENT_RETURN_VOID(void + acpi_ev_update_gpes(acpi_owner_id table_owner_id)) -acpi_status + acpi_status acpi_ev_match_gpe_method(acpi_handle obj_handle, u32 level, void *context, void **return_value); @@ -162,6 +164,7 @@ acpi_status acpi_ev_initialize_op_regions(void); acpi_status acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj, + union acpi_operand_object *field_obj, u32 function, u32 region_offset, u32 bit_width, u64 *value); @@ -236,6 +239,5 @@ acpi_status acpi_ev_remove_sci_handler(void); u32 acpi_ev_initialize_sCI(u32 program_sCI); -void acpi_ev_terminate(void); - +ACPI_HW_DEPENDENT_RETURN_VOID(void acpi_ev_terminate(void)) #endif /* __ACEVENTS_H__ */ diff --git a/drivers/acpi/acpica/acglobal.h b/drivers/acpi/acpica/acglobal.h index 76dc02f15574..4f7d3f57d05c 100644 --- a/drivers/acpi/acpica/acglobal.h +++ b/drivers/acpi/acpica/acglobal.h @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -108,7 +108,7 @@ u8 ACPI_INIT_GLOBAL(acpi_gbl_use_default_register_widths, TRUE); /* * Optionally enable output from the AML Debug Object. */ -u32 ACPI_INIT_GLOBAL(acpi_gbl_enable_aml_debug_object, FALSE); +bool ACPI_INIT_GLOBAL(acpi_gbl_enable_aml_debug_object, FALSE); /* * Optionally copy the entire DSDT to local memory (instead of simply @@ -140,7 +140,18 @@ u32 acpi_gbl_trace_flags; acpi_name acpi_gbl_trace_method_name; u8 acpi_gbl_system_awake_and_running; -#endif +/* + * ACPI 5.0 introduces the concept of a "reduced hardware platform", meaning + * that the ACPI hardware is no longer required. A flag in the FADT indicates + * a reduced HW machine, and that flag is duplicated here for convenience. + */ +u8 acpi_gbl_reduced_hardware; + +#endif /* DEFINE_ACPI_GLOBALS */ + +/* Do not disassemble buffers to resource descriptors */ + +ACPI_EXTERN u8 ACPI_INIT_GLOBAL(acpi_gbl_no_resource_disassembly, FALSE); /***************************************************************************** * @@ -173,8 +184,12 @@ ACPI_EXTERN u32 acpi_gbl_trace_dbg_layer; * found in the RSDT/XSDT. */ ACPI_EXTERN struct acpi_table_list acpi_gbl_root_table_list; + +#if (!ACPI_REDUCED_HARDWARE) ACPI_EXTERN struct acpi_table_facs *acpi_gbl_FACS; +#endif /* !ACPI_REDUCED_HARDWARE */ + /* These addresses are calculated from the FADT Event Block addresses */ ACPI_EXTERN struct acpi_generic_address acpi_gbl_xpm1a_status; @@ -207,7 +222,7 @@ ACPI_EXTERN struct acpi_rw_lock acpi_gbl_namespace_rw_lock; /***************************************************************************** * - * Mutual exlusion within ACPICA subsystem + * Mutual exclusion within ACPICA subsystem * ****************************************************************************/ @@ -295,6 +310,8 @@ ACPI_EXTERN u8 acpi_gbl_acpi_hardware_present; ACPI_EXTERN u8 acpi_gbl_events_initialized; ACPI_EXTERN u8 acpi_gbl_osi_data; ACPI_EXTERN struct acpi_interface_info *acpi_gbl_supported_interfaces; +ACPI_EXTERN struct acpi_address_range + *acpi_gbl_address_range_list[ACPI_ADDRESS_RANGE_MAX]; #ifndef DEFINE_ACPI_GLOBALS @@ -384,10 +401,15 @@ ACPI_EXTERN struct acpi_fixed_event_handler ACPI_EXTERN struct acpi_gpe_xrupt_info *acpi_gbl_gpe_xrupt_list_head; ACPI_EXTERN struct acpi_gpe_block_info *acpi_gbl_gpe_fadt_blocks[ACPI_MAX_GPE_BLOCKS]; + +#if (!ACPI_REDUCED_HARDWARE) + ACPI_EXTERN u8 acpi_gbl_all_gpes_initialized; ACPI_EXTERN ACPI_GBL_EVENT_HANDLER acpi_gbl_global_event_handler; ACPI_EXTERN void *acpi_gbl_global_event_handler_context; +#endif /* !ACPI_REDUCED_HARDWARE */ + /***************************************************************************** * * Debugger globals diff --git a/drivers/acpi/acpica/achware.h b/drivers/acpi/acpica/achware.h index e7213beaafc7..5ccb99ae3a6f 100644 --- a/drivers/acpi/acpica/achware.h +++ b/drivers/acpi/acpica/achware.h @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -81,6 +81,26 @@ acpi_status acpi_hw_register_write(u32 register_id, u32 value); acpi_status acpi_hw_clear_acpi_status(void); /* + * hwsleep - sleep/wake support (Legacy sleep registers) + */ +acpi_status acpi_hw_legacy_sleep(u8 sleep_state, u8 flags); + +acpi_status acpi_hw_legacy_wake_prep(u8 sleep_state, u8 flags); + +acpi_status acpi_hw_legacy_wake(u8 sleep_state, u8 flags); + +/* + * hwesleep - sleep/wake support (Extended FADT-V5 sleep registers) + */ +void acpi_hw_execute_sleep_method(char *method_name, u32 integer_argument); + +acpi_status acpi_hw_extended_sleep(u8 sleep_state, u8 flags); + +acpi_status acpi_hw_extended_wake_prep(u8 sleep_state, u8 flags); + +acpi_status acpi_hw_extended_wake(u8 sleep_state, u8 flags); + +/* * hwvalid - Port I/O with validation */ acpi_status acpi_hw_read_port(acpi_io_address address, u32 *value, u32 width); @@ -128,16 +148,4 @@ acpi_status acpi_hw_derive_pci_id(struct acpi_pci_id *pci_id, acpi_handle root_pci_device, acpi_handle pci_region); -#ifdef ACPI_FUTURE_USAGE -/* - * hwtimer - ACPI Timer prototypes - */ -acpi_status acpi_get_timer_resolution(u32 * resolution); - -acpi_status acpi_get_timer(u32 * ticks); - -acpi_status -acpi_get_timer_duration(u32 start_ticks, u32 end_ticks, u32 * time_elapsed); -#endif /* ACPI_FUTURE_USAGE */ - #endif /* __ACHWARE_H__ */ diff --git a/drivers/acpi/acpica/acinterp.h b/drivers/acpi/acpica/acinterp.h index 3731e1c34b83..eb308635da72 100644 --- a/drivers/acpi/acpica/acinterp.h +++ b/drivers/acpi/acpica/acinterp.h @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -468,6 +468,8 @@ void acpi_ex_eisa_id_to_string(char *dest, u64 compressed_id); void acpi_ex_integer_to_string(char *dest, u64 value); +u8 acpi_is_valid_space_id(u8 space_id); + /* * exregion - default op_region handlers */ diff --git a/drivers/acpi/acpica/aclocal.h b/drivers/acpi/acpica/aclocal.h index 5552125d8340..e3922ca20e7f 100644 --- a/drivers/acpi/acpica/aclocal.h +++ b/drivers/acpi/acpica/aclocal.h @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -53,7 +53,7 @@ typedef u32 acpi_mutex_handle; /* Total number of aml opcodes defined */ -#define AML_NUM_OPCODES 0x7F +#define AML_NUM_OPCODES 0x81 /* Forward declarations */ @@ -249,12 +249,16 @@ struct acpi_create_field_info { struct acpi_namespace_node *field_node; struct acpi_namespace_node *register_node; struct acpi_namespace_node *data_register_node; + struct acpi_namespace_node *connection_node; + u8 *resource_buffer; u32 bank_value; u32 field_bit_position; u32 field_bit_length; + u16 resource_length; u8 field_flags; u8 attribute; u8 field_type; + u8 access_length; }; typedef @@ -315,7 +319,8 @@ struct acpi_name_info { /* * Used for ACPI_PTYPE1_FIXED, ACPI_PTYPE1_VAR, ACPI_PTYPE2, - * ACPI_PTYPE2_MIN, ACPI_PTYPE2_PKG_COUNT, ACPI_PTYPE2_COUNT + * ACPI_PTYPE2_MIN, ACPI_PTYPE2_PKG_COUNT, ACPI_PTYPE2_COUNT, + * ACPI_PTYPE2_FIX_VAR */ struct acpi_package_info { u8 type; @@ -365,6 +370,7 @@ struct acpi_predefined_data { /* Defines for Flags field above */ #define ACPI_OBJECT_REPAIRED 1 +#define ACPI_OBJECT_WRAPPED 2 /* * Bitmapped return value types @@ -625,6 +631,15 @@ union acpi_generic_state { typedef acpi_status(*ACPI_EXECUTE_OP) (struct acpi_walk_state * walk_state); +/* Address Range info block */ + +struct acpi_address_range { + struct acpi_address_range *next; + struct acpi_namespace_node *region_node; + acpi_physical_address start_address; + acpi_physical_address end_address; +}; + /***************************************************************************** * * Parser typedefs and structs @@ -951,7 +966,7 @@ struct acpi_port_info { #define ACPI_RESOURCE_NAME_END_DEPENDENT 0x38 #define ACPI_RESOURCE_NAME_IO 0x40 #define ACPI_RESOURCE_NAME_FIXED_IO 0x48 -#define ACPI_RESOURCE_NAME_RESERVED_S1 0x50 +#define ACPI_RESOURCE_NAME_FIXED_DMA 0x50 #define ACPI_RESOURCE_NAME_RESERVED_S2 0x58 #define ACPI_RESOURCE_NAME_RESERVED_S3 0x60 #define ACPI_RESOURCE_NAME_RESERVED_S4 0x68 @@ -973,7 +988,9 @@ struct acpi_port_info { #define ACPI_RESOURCE_NAME_EXTENDED_IRQ 0x89 #define ACPI_RESOURCE_NAME_ADDRESS64 0x8A #define ACPI_RESOURCE_NAME_EXTENDED_ADDRESS64 0x8B -#define ACPI_RESOURCE_NAME_LARGE_MAX 0x8B +#define ACPI_RESOURCE_NAME_GPIO 0x8C +#define ACPI_RESOURCE_NAME_SERIAL_BUS 0x8E +#define ACPI_RESOURCE_NAME_LARGE_MAX 0x8E /***************************************************************************** * diff --git a/drivers/acpi/acpica/acmacros.h b/drivers/acpi/acpica/acmacros.h index b7491ee1fba6..f119f473f71a 100644 --- a/drivers/acpi/acpica/acmacros.h +++ b/drivers/acpi/acpica/acmacros.h @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -516,6 +516,12 @@ #endif /* ACPI_DEBUG_OUTPUT */ +#if (!ACPI_REDUCED_HARDWARE) +#define ACPI_HW_OPTIONAL_FUNCTION(addr) addr +#else +#define ACPI_HW_OPTIONAL_FUNCTION(addr) NULL +#endif + /* * Some code only gets executed when the debugger is built in. * Note that this is entirely independent of whether the diff --git a/drivers/acpi/acpica/acnamesp.h b/drivers/acpi/acpica/acnamesp.h index 79a598c67fe3..9b19d4b86424 100644 --- a/drivers/acpi/acpica/acnamesp.h +++ b/drivers/acpi/acpica/acnamesp.h @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -283,8 +283,9 @@ acpi_ns_repair_object(struct acpi_predefined_data *data, union acpi_operand_object **return_object_ptr); acpi_status -acpi_ns_repair_package_list(struct acpi_predefined_data *data, - union acpi_operand_object **obj_desc_ptr); +acpi_ns_wrap_with_package(struct acpi_predefined_data *data, + union acpi_operand_object *original_object, + union acpi_operand_object **obj_desc_ptr); acpi_status acpi_ns_repair_null_element(struct acpi_predefined_data *data, diff --git a/drivers/acpi/acpica/acobject.h b/drivers/acpi/acpica/acobject.h index 1055769f2f01..c065078ca83b 100644 --- a/drivers/acpi/acpica/acobject.h +++ b/drivers/acpi/acpica/acobject.h @@ -6,7 +6,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -254,6 +254,7 @@ ACPI_OBJECT_COMMON_HEADER ACPI_COMMON_NOTIFY_INFO}; u32 base_byte_offset; /* Byte offset within containing object */\ u32 value; /* Value to store into the Bank or Index register */\ u8 start_field_bit_offset;/* Bit offset within first field datum (0-63) */\ + u8 access_length; /* For serial regions/fields */ struct acpi_object_field_common { /* COMMON FIELD (for BUFFER, REGION, BANK, and INDEX fields) */ @@ -261,7 +262,9 @@ struct acpi_object_field_common { /* COMMON FIELD (for BUFFER, REGION, BANK, and }; struct acpi_object_region_field { - ACPI_OBJECT_COMMON_HEADER ACPI_COMMON_FIELD_INFO union acpi_operand_object *region_obj; /* Containing op_region object */ + ACPI_OBJECT_COMMON_HEADER ACPI_COMMON_FIELD_INFO u16 resource_length; + union acpi_operand_object *region_obj; /* Containing op_region object */ + u8 *resource_buffer; /* resource_template for serial regions/fields */ }; struct acpi_object_bank_field { @@ -358,6 +361,7 @@ typedef enum { */ struct acpi_object_extra { ACPI_OBJECT_COMMON_HEADER struct acpi_namespace_node *method_REG; /* _REG method for this region (if any) */ + struct acpi_namespace_node *scope_node; void *region_context; /* Region-specific data */ u8 *aml_start; u32 aml_length; diff --git a/drivers/acpi/acpica/acopcode.h b/drivers/acpi/acpica/acopcode.h index bb2ccfad7376..9440d053fbb3 100644 --- a/drivers/acpi/acpica/acopcode.h +++ b/drivers/acpi/acpica/acopcode.h @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -93,6 +93,7 @@ #define ARGP_CONCAT_OP ARGP_LIST3 (ARGP_TERMARG, ARGP_TERMARG, ARGP_TARGET) #define ARGP_CONCAT_RES_OP ARGP_LIST3 (ARGP_TERMARG, ARGP_TERMARG, ARGP_TARGET) #define ARGP_COND_REF_OF_OP ARGP_LIST2 (ARGP_SUPERNAME, ARGP_SUPERNAME) +#define ARGP_CONNECTFIELD_OP ARGP_LIST1 (ARGP_NAMESTRING) #define ARGP_CONTINUE_OP ARG_NONE #define ARGP_COPY_OP ARGP_LIST2 (ARGP_TERMARG, ARGP_SIMPLENAME) #define ARGP_CREATE_BIT_FIELD_OP ARGP_LIST3 (ARGP_TERMARG, ARGP_TERMARG, ARGP_NAME) @@ -164,6 +165,7 @@ #define ARGP_RETURN_OP ARGP_LIST1 (ARGP_TERMARG) #define ARGP_REVISION_OP ARG_NONE #define ARGP_SCOPE_OP ARGP_LIST3 (ARGP_PKGLENGTH, ARGP_NAME, ARGP_TERMLIST) +#define ARGP_SERIALFIELD_OP ARGP_LIST1 (ARGP_NAMESTRING) #define ARGP_SHIFT_LEFT_OP ARGP_LIST3 (ARGP_TERMARG, ARGP_TERMARG, ARGP_TARGET) #define ARGP_SHIFT_RIGHT_OP ARGP_LIST3 (ARGP_TERMARG, ARGP_TERMARG, ARGP_TARGET) #define ARGP_SIGNAL_OP ARGP_LIST1 (ARGP_SUPERNAME) @@ -223,6 +225,7 @@ #define ARGI_CONCAT_OP ARGI_LIST3 (ARGI_COMPUTEDATA,ARGI_COMPUTEDATA, ARGI_TARGETREF) #define ARGI_CONCAT_RES_OP ARGI_LIST3 (ARGI_BUFFER, ARGI_BUFFER, ARGI_TARGETREF) #define ARGI_COND_REF_OF_OP ARGI_LIST2 (ARGI_OBJECT_REF, ARGI_TARGETREF) +#define ARGI_CONNECTFIELD_OP ARGI_INVALID_OPCODE #define ARGI_CONTINUE_OP ARGI_INVALID_OPCODE #define ARGI_COPY_OP ARGI_LIST2 (ARGI_ANYTYPE, ARGI_SIMPLE_TARGET) #define ARGI_CREATE_BIT_FIELD_OP ARGI_LIST3 (ARGI_BUFFER, ARGI_INTEGER, ARGI_REFERENCE) @@ -294,6 +297,7 @@ #define ARGI_RETURN_OP ARGI_INVALID_OPCODE #define ARGI_REVISION_OP ARG_NONE #define ARGI_SCOPE_OP ARGI_INVALID_OPCODE +#define ARGI_SERIALFIELD_OP ARGI_INVALID_OPCODE #define ARGI_SHIFT_LEFT_OP ARGI_LIST3 (ARGI_INTEGER, ARGI_INTEGER, ARGI_TARGETREF) #define ARGI_SHIFT_RIGHT_OP ARGI_LIST3 (ARGI_INTEGER, ARGI_INTEGER, ARGI_TARGETREF) #define ARGI_SIGNAL_OP ARGI_LIST1 (ARGI_EVENT) diff --git a/drivers/acpi/acpica/acparser.h b/drivers/acpi/acpica/acparser.h index 5ea1e06afa20..b725d780d34d 100644 --- a/drivers/acpi/acpica/acparser.h +++ b/drivers/acpi/acpica/acparser.h @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/acpica/acpredef.h b/drivers/acpi/acpica/acpredef.h index c445cca490ea..bbb34c9be4e8 100644 --- a/drivers/acpi/acpica/acpredef.h +++ b/drivers/acpi/acpica/acpredef.h @@ -6,7 +6,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -94,6 +94,14 @@ * ACPI_PTYPE2_REV_FIXED: Revision at start, each subpackage is Fixed-length * (Used for _ART, _FPS) * + * ACPI_PTYPE2_FIX_VAR: Each subpackage consists of some fixed-length elements + * followed by an optional element + * object type + * count + * object type + * count = 0 (optional) + * (Used for _DLM) + * *****************************************************************************/ enum acpi_return_package_types { @@ -105,7 +113,8 @@ enum acpi_return_package_types { ACPI_PTYPE2_PKG_COUNT = 6, ACPI_PTYPE2_FIXED = 7, ACPI_PTYPE2_MIN = 8, - ACPI_PTYPE2_REV_FIXED = 9 + ACPI_PTYPE2_REV_FIXED = 9, + ACPI_PTYPE2_FIX_VAR = 10 }; #ifdef ACPI_CREATE_PREDEFINED_TABLE @@ -154,6 +163,7 @@ static const union acpi_predefined_info predefined_names[] = {{"_AC8", 0, ACPI_RTYPE_INTEGER}}, {{"_AC9", 0, ACPI_RTYPE_INTEGER}}, {{"_ADR", 0, ACPI_RTYPE_INTEGER}}, + {{"_AEI", 0, ACPI_RTYPE_BUFFER}}, {{"_AL0", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Refs) */ {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0,0}, 0,0}}, @@ -229,6 +239,13 @@ static const union acpi_predefined_info predefined_names[] = {{"_CID", 0, ACPI_RTYPE_INTEGER | ACPI_RTYPE_STRING | ACPI_RTYPE_PACKAGE}}, /* Variable-length (Ints/Strs) */ {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_INTEGER | ACPI_RTYPE_STRING, 0,0}, 0,0}}, + {{"_CLS", 0, ACPI_RTYPE_PACKAGE}}, /* Fixed-length (3 Int) */ + {{{ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 3, 0}, 0, 0}}, + + {{"_CPC", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Ints/Bufs) */ + {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_INTEGER | ACPI_RTYPE_BUFFER, 0, 0}, 0, + 0}}, + {{"_CRS", 0, ACPI_RTYPE_BUFFER}}, {{"_CRT", 0, ACPI_RTYPE_INTEGER}}, {{"_CSD", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (1 Int(n), n-1 Int) */ @@ -237,12 +254,21 @@ static const union acpi_predefined_info predefined_names[] = {{"_CST", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (1 Int(n), n Pkg (1 Buf/3 Int) */ {{{ACPI_PTYPE2_PKG_COUNT,ACPI_RTYPE_BUFFER, 1, ACPI_RTYPE_INTEGER}, 3,0}}, + {{"_CWS", 1, ACPI_RTYPE_INTEGER}}, {{"_DCK", 1, ACPI_RTYPE_INTEGER}}, {{"_DCS", 0, ACPI_RTYPE_INTEGER}}, {{"_DDC", 1, ACPI_RTYPE_INTEGER | ACPI_RTYPE_BUFFER}}, {{"_DDN", 0, ACPI_RTYPE_STRING}}, + {{"_DEP", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Refs) */ + {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0, 0}, 0, 0}}, + {{"_DGS", 0, ACPI_RTYPE_INTEGER}}, {{"_DIS", 0, 0}}, + + {{"_DLM", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Pkgs) each (1 Ref, 0/1 Optional Buf/Ref) */ + {{{ACPI_PTYPE2_FIX_VAR, ACPI_RTYPE_REFERENCE, 1, + ACPI_RTYPE_REFERENCE | ACPI_RTYPE_BUFFER}, 0, 0}}, + {{"_DMA", 0, ACPI_RTYPE_BUFFER}}, {{"_DOD", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Ints) */ {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_INTEGER, 0,0}, 0,0}}, @@ -262,6 +288,7 @@ static const union acpi_predefined_info predefined_names[] = {{"_EJ3", 1, 0}}, {{"_EJ4", 1, 0}}, {{"_EJD", 0, ACPI_RTYPE_STRING}}, + {{"_EVT", 1, 0}}, {{"_FDE", 0, ACPI_RTYPE_BUFFER}}, {{"_FDI", 0, ACPI_RTYPE_PACKAGE}}, /* Fixed-length (16 Int) */ {{{ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 16,0}, 0,0}}, @@ -281,14 +308,17 @@ static const union acpi_predefined_info predefined_names[] = {{{ACPI_PTYPE1_FIXED, ACPI_RTYPE_INTEGER, 3, 0}, 0, 0}}, {{"_GAI", 0, ACPI_RTYPE_INTEGER}}, + {{"_GCP", 0, ACPI_RTYPE_INTEGER}}, {{"_GHL", 0, ACPI_RTYPE_INTEGER}}, {{"_GLK", 0, ACPI_RTYPE_INTEGER}}, {{"_GPD", 0, ACPI_RTYPE_INTEGER}}, {{"_GPE", 0, ACPI_RTYPE_INTEGER}}, /* _GPE method, not _GPE scope */ + {{"_GRT", 0, ACPI_RTYPE_BUFFER}}, {{"_GSB", 0, ACPI_RTYPE_INTEGER}}, {{"_GTF", 0, ACPI_RTYPE_BUFFER}}, {{"_GTM", 0, ACPI_RTYPE_BUFFER}}, {{"_GTS", 1, 0}}, + {{"_GWS", 1, ACPI_RTYPE_INTEGER}}, {{"_HID", 0, ACPI_RTYPE_INTEGER | ACPI_RTYPE_STRING}}, {{"_HOT", 0, ACPI_RTYPE_INTEGER}}, {{"_HPP", 0, ACPI_RTYPE_PACKAGE}}, /* Fixed-length (4 Int) */ @@ -303,6 +333,7 @@ static const union acpi_predefined_info predefined_names[] = {{"_HPX", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Pkgs) each (var Ints) */ {{{ACPI_PTYPE2_MIN, ACPI_RTYPE_INTEGER, 5,0}, 0,0}}, + {{"_HRV", 0, ACPI_RTYPE_INTEGER}}, {{"_IFT", 0, ACPI_RTYPE_INTEGER}}, /* See IPMI spec */ {{"_INI", 0, 0}}, {{"_IRC", 0, 0}}, @@ -361,6 +392,9 @@ static const union acpi_predefined_info predefined_names[] = {{"_PR3", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Refs) */ {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0, 0}, 0, 0}}, + {{"_PRE", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Refs) */ + {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0, 0}, 0, 0}}, + {{"_PRL", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Refs) */ {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0, 0}, 0, 0}}, @@ -391,6 +425,7 @@ static const union acpi_predefined_info predefined_names[] = {{"_PSD", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Pkgs) each (5 Int) with count */ {{{ACPI_PTYPE2_COUNT, ACPI_RTYPE_INTEGER,0,0}, 0,0}}, + {{"_PSE", 1, 0}}, {{"_PSL", 0, ACPI_RTYPE_PACKAGE}}, /* Variable-length (Refs) */ {{{ACPI_PTYPE1_VAR, ACPI_RTYPE_REFERENCE, 0,0}, 0,0}}, @@ -457,6 +492,7 @@ static const union acpi_predefined_info predefined_names[] = {{"_SLI", 0, ACPI_RTYPE_BUFFER}}, {{"_SPD", 1, ACPI_RTYPE_INTEGER}}, {{"_SRS", 1, 0}}, + {{"_SRT", 1, ACPI_RTYPE_INTEGER}}, {{"_SRV", 0, ACPI_RTYPE_INTEGER}}, /* See IPMI spec */ {{"_SST", 1, 0}}, {{"_STA", 0, ACPI_RTYPE_INTEGER}}, @@ -464,6 +500,7 @@ static const union acpi_predefined_info predefined_names[] = {{"_STP", 2, ACPI_RTYPE_INTEGER}}, {{"_STR", 0, ACPI_RTYPE_BUFFER}}, {{"_STV", 2, ACPI_RTYPE_INTEGER}}, + {{"_SUB", 0, ACPI_RTYPE_STRING}}, {{"_SUN", 0, ACPI_RTYPE_INTEGER}}, {{"_SWS", 0, ACPI_RTYPE_INTEGER}}, {{"_TC1", 0, ACPI_RTYPE_INTEGER}}, diff --git a/drivers/acpi/acpica/acresrc.h b/drivers/acpi/acpica/acresrc.h index f08b55b7f3a0..0347d0993497 100644 --- a/drivers/acpi/acpica/acresrc.h +++ b/drivers/acpi/acpica/acresrc.h @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -73,28 +73,40 @@ typedef const struct acpi_rsconvert_info { /* Resource conversion opcodes */ -#define ACPI_RSC_INITGET 0 -#define ACPI_RSC_INITSET 1 -#define ACPI_RSC_FLAGINIT 2 -#define ACPI_RSC_1BITFLAG 3 -#define ACPI_RSC_2BITFLAG 4 -#define ACPI_RSC_COUNT 5 -#define ACPI_RSC_COUNT16 6 -#define ACPI_RSC_LENGTH 7 -#define ACPI_RSC_MOVE8 8 -#define ACPI_RSC_MOVE16 9 -#define ACPI_RSC_MOVE32 10 -#define ACPI_RSC_MOVE64 11 -#define ACPI_RSC_SET8 12 -#define ACPI_RSC_DATA8 13 -#define ACPI_RSC_ADDRESS 14 -#define ACPI_RSC_SOURCE 15 -#define ACPI_RSC_SOURCEX 16 -#define ACPI_RSC_BITMASK 17 -#define ACPI_RSC_BITMASK16 18 -#define ACPI_RSC_EXIT_NE 19 -#define ACPI_RSC_EXIT_LE 20 -#define ACPI_RSC_EXIT_EQ 21 +typedef enum { + ACPI_RSC_INITGET = 0, + ACPI_RSC_INITSET, + ACPI_RSC_FLAGINIT, + ACPI_RSC_1BITFLAG, + ACPI_RSC_2BITFLAG, + ACPI_RSC_3BITFLAG, + ACPI_RSC_ADDRESS, + ACPI_RSC_BITMASK, + ACPI_RSC_BITMASK16, + ACPI_RSC_COUNT, + ACPI_RSC_COUNT16, + ACPI_RSC_COUNT_GPIO_PIN, + ACPI_RSC_COUNT_GPIO_RES, + ACPI_RSC_COUNT_GPIO_VEN, + ACPI_RSC_COUNT_SERIAL_RES, + ACPI_RSC_COUNT_SERIAL_VEN, + ACPI_RSC_DATA8, + ACPI_RSC_EXIT_EQ, + ACPI_RSC_EXIT_LE, + ACPI_RSC_EXIT_NE, + ACPI_RSC_LENGTH, + ACPI_RSC_MOVE_GPIO_PIN, + ACPI_RSC_MOVE_GPIO_RES, + ACPI_RSC_MOVE_SERIAL_RES, + ACPI_RSC_MOVE_SERIAL_VEN, + ACPI_RSC_MOVE8, + ACPI_RSC_MOVE16, + ACPI_RSC_MOVE32, + ACPI_RSC_MOVE64, + ACPI_RSC_SET8, + ACPI_RSC_SOURCE, + ACPI_RSC_SOURCEX +} ACPI_RSCONVERT_OPCODES; /* Resource Conversion sub-opcodes */ @@ -106,6 +118,9 @@ typedef const struct acpi_rsconvert_info { #define ACPI_RS_OFFSET(f) (u8) ACPI_OFFSET (struct acpi_resource,f) #define AML_OFFSET(f) (u8) ACPI_OFFSET (union aml_resource,f) +/* + * Individual entry for the resource dump tables + */ typedef const struct acpi_rsdump_info { u8 opcode; u8 offset; @@ -116,20 +131,25 @@ typedef const struct acpi_rsdump_info { /* Values for the Opcode field above */ -#define ACPI_RSD_TITLE 0 -#define ACPI_RSD_LITERAL 1 -#define ACPI_RSD_STRING 2 -#define ACPI_RSD_UINT8 3 -#define ACPI_RSD_UINT16 4 -#define ACPI_RSD_UINT32 5 -#define ACPI_RSD_UINT64 6 -#define ACPI_RSD_1BITFLAG 7 -#define ACPI_RSD_2BITFLAG 8 -#define ACPI_RSD_SHORTLIST 9 -#define ACPI_RSD_LONGLIST 10 -#define ACPI_RSD_DWORDLIST 11 -#define ACPI_RSD_ADDRESS 12 -#define ACPI_RSD_SOURCE 13 +typedef enum { + ACPI_RSD_TITLE = 0, + ACPI_RSD_1BITFLAG, + ACPI_RSD_2BITFLAG, + ACPI_RSD_3BITFLAG, + ACPI_RSD_ADDRESS, + ACPI_RSD_DWORDLIST, + ACPI_RSD_LITERAL, + ACPI_RSD_LONGLIST, + ACPI_RSD_SHORTLIST, + ACPI_RSD_SHORTLISTX, + ACPI_RSD_SOURCE, + ACPI_RSD_STRING, + ACPI_RSD_UINT8, + ACPI_RSD_UINT16, + ACPI_RSD_UINT32, + ACPI_RSD_UINT64, + ACPI_RSD_WORDLIST +} ACPI_RSDUMP_OPCODES; /* restore default alignment */ @@ -138,13 +158,18 @@ typedef const struct acpi_rsdump_info { /* Resource tables indexed by internal resource type */ extern const u8 acpi_gbl_aml_resource_sizes[]; +extern const u8 acpi_gbl_aml_resource_serial_bus_sizes[]; extern struct acpi_rsconvert_info *acpi_gbl_set_resource_dispatch[]; /* Resource tables indexed by raw AML resource descriptor type */ extern const u8 acpi_gbl_resource_struct_sizes[]; +extern const u8 acpi_gbl_resource_struct_serial_bus_sizes[]; extern struct acpi_rsconvert_info *acpi_gbl_get_resource_dispatch[]; +extern struct acpi_rsconvert_info + *acpi_gbl_convert_resource_serial_bus_dispatch[]; + struct acpi_vendor_walk_info { struct acpi_vendor_uuid *uuid; struct acpi_buffer *buffer; @@ -190,6 +215,10 @@ acpi_status acpi_rs_set_srs_method_data(struct acpi_namespace_node *node, struct acpi_buffer *ret_buffer); +acpi_status +acpi_rs_get_aei_method_data(struct acpi_namespace_node *node, + struct acpi_buffer *ret_buffer); + /* * rscalc */ @@ -293,6 +322,11 @@ extern struct acpi_rsconvert_info acpi_rs_convert_address16[]; extern struct acpi_rsconvert_info acpi_rs_convert_ext_irq[]; extern struct acpi_rsconvert_info acpi_rs_convert_address64[]; extern struct acpi_rsconvert_info acpi_rs_convert_ext_address64[]; +extern struct acpi_rsconvert_info acpi_rs_convert_gpio[]; +extern struct acpi_rsconvert_info acpi_rs_convert_fixed_dma[]; +extern struct acpi_rsconvert_info acpi_rs_convert_i2c_serial_bus[]; +extern struct acpi_rsconvert_info acpi_rs_convert_spi_serial_bus[]; +extern struct acpi_rsconvert_info acpi_rs_convert_uart_serial_bus[]; /* These resources require separate get/set tables */ @@ -310,6 +344,7 @@ extern struct acpi_rsconvert_info acpi_rs_set_vendor[]; * rsinfo */ extern struct acpi_rsdump_info *acpi_gbl_dump_resource_dispatch[]; +extern struct acpi_rsdump_info *acpi_gbl_dump_serial_bus_dispatch[]; /* * rsdump @@ -331,6 +366,12 @@ extern struct acpi_rsdump_info acpi_rs_dump_address64[]; extern struct acpi_rsdump_info acpi_rs_dump_ext_address64[]; extern struct acpi_rsdump_info acpi_rs_dump_ext_irq[]; extern struct acpi_rsdump_info acpi_rs_dump_generic_reg[]; +extern struct acpi_rsdump_info acpi_rs_dump_gpio[]; +extern struct acpi_rsdump_info acpi_rs_dump_fixed_dma[]; +extern struct acpi_rsdump_info acpi_rs_dump_common_serial_bus[]; +extern struct acpi_rsdump_info acpi_rs_dump_i2c_serial_bus[]; +extern struct acpi_rsdump_info acpi_rs_dump_spi_serial_bus[]; +extern struct acpi_rsdump_info acpi_rs_dump_uart_serial_bus[]; #endif #endif /* __ACRESRC_H__ */ diff --git a/drivers/acpi/acpica/acstruct.h b/drivers/acpi/acpica/acstruct.h index 1623b245dde2..0404df605bc1 100644 --- a/drivers/acpi/acpica/acstruct.h +++ b/drivers/acpi/acpica/acstruct.h @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/acpica/actables.h b/drivers/acpi/acpica/actables.h index 967f08124eba..6712965ba8ae 100644 --- a/drivers/acpi/acpica/actables.h +++ b/drivers/acpi/acpica/actables.h @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -67,6 +67,11 @@ acpi_status acpi_tb_resize_root_table_list(void); acpi_status acpi_tb_verify_table(struct acpi_table_desc *table_desc); +struct acpi_table_header *acpi_tb_table_override(struct acpi_table_header + *table_header, + struct acpi_table_desc + *table_desc); + acpi_status acpi_tb_add_table(struct acpi_table_desc *table_desc, u32 *table_index); diff --git a/drivers/acpi/acpica/acutils.h b/drivers/acpi/acpica/acutils.h index 99c140d8e348..925ccf22101b 100644 --- a/drivers/acpi/acpica/acutils.h +++ b/drivers/acpi/acpica/acutils.h @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -45,6 +45,7 @@ #define _ACUTILS_H extern const u8 acpi_gbl_resource_aml_sizes[]; +extern const u8 acpi_gbl_resource_aml_serial_bus_sizes[]; /* Strings used by the disassembler and debugger resource dump routines */ @@ -579,6 +580,24 @@ acpi_ut_create_list(char *list_name, #endif /* ACPI_DBG_TRACK_ALLOCATIONS */ /* + * utaddress - address range check + */ +acpi_status +acpi_ut_add_address_range(acpi_adr_space_type space_id, + acpi_physical_address address, + u32 length, struct acpi_namespace_node *region_node); + +void +acpi_ut_remove_address_range(acpi_adr_space_type space_id, + struct acpi_namespace_node *region_node); + +u32 +acpi_ut_check_address_range(acpi_adr_space_type space_id, + acpi_physical_address address, u32 length, u8 warn); + +void acpi_ut_delete_address_lists(void); + +/* * utxferror - various error/warning output functions */ void ACPI_INTERNAL_VAR_XFACE diff --git a/drivers/acpi/acpica/amlcode.h b/drivers/acpi/acpica/amlcode.h index 1077f17859ed..905280fec0fa 100644 --- a/drivers/acpi/acpica/amlcode.h +++ b/drivers/acpi/acpica/amlcode.h @@ -7,7 +7,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -189,6 +189,14 @@ #define AML_LNOTEQUAL_OP (u16) 0x9293 /* + * Opcodes for "Field" operators + */ +#define AML_FIELD_OFFSET_OP (u8) 0x00 +#define AML_FIELD_ACCESS_OP (u8) 0x01 +#define AML_FIELD_CONNECTION_OP (u8) 0x02 /* ACPI 5.0 */ +#define AML_FIELD_EXT_ACCESS_OP (u8) 0x03 /* ACPI 5.0 */ + +/* * Internal opcodes * Use only "Unknown" AML opcodes, don't attempt to use * any valid ACPI ASCII values (A-Z, 0-9, '-') @@ -202,6 +210,8 @@ #define AML_INT_METHODCALL_OP (u16) 0x0035 #define AML_INT_RETURN_VALUE_OP (u16) 0x0036 #define AML_INT_EVAL_SUBTREE_OP (u16) 0x0037 +#define AML_INT_CONNECTION_OP (u16) 0x0038 +#define AML_INT_EXTACCESSFIELD_OP (u16) 0x0039 #define ARG_NONE 0x0 @@ -456,13 +466,16 @@ typedef enum { * access_as keyword */ typedef enum { - AML_FIELD_ATTRIB_SMB_QUICK = 0x02, - AML_FIELD_ATTRIB_SMB_SEND_RCV = 0x04, - AML_FIELD_ATTRIB_SMB_BYTE = 0x06, - AML_FIELD_ATTRIB_SMB_WORD = 0x08, - AML_FIELD_ATTRIB_SMB_BLOCK = 0x0A, - AML_FIELD_ATTRIB_SMB_WORD_CALL = 0x0C, - AML_FIELD_ATTRIB_SMB_BLOCK_CALL = 0x0D + AML_FIELD_ATTRIB_QUICK = 0x02, + AML_FIELD_ATTRIB_SEND_RCV = 0x04, + AML_FIELD_ATTRIB_BYTE = 0x06, + AML_FIELD_ATTRIB_WORD = 0x08, + AML_FIELD_ATTRIB_BLOCK = 0x0A, + AML_FIELD_ATTRIB_MULTIBYTE = 0x0B, + AML_FIELD_ATTRIB_WORD_CALL = 0x0C, + AML_FIELD_ATTRIB_BLOCK_CALL = 0x0D, + AML_FIELD_ATTRIB_RAW_BYTES = 0x0E, + AML_FIELD_ATTRIB_RAW_PROCESS = 0x0F } AML_ACCESS_ATTRIBUTE; /* Bit fields in the AML method_flags byte */ diff --git a/drivers/acpi/acpica/amlresrc.h b/drivers/acpi/acpica/amlresrc.h index 59122cde247c..7b2128f274e7 100644 --- a/drivers/acpi/acpica/amlresrc.h +++ b/drivers/acpi/acpica/amlresrc.h @@ -6,7 +6,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -58,29 +58,48 @@ #define ACPI_RESTAG_TYPESPECIFICATTRIBUTES "_ATT" #define ACPI_RESTAG_BASEADDRESS "_BAS" #define ACPI_RESTAG_BUSMASTER "_BM_" /* Master(1), Slave(0) */ +#define ACPI_RESTAG_DEBOUNCETIME "_DBT" #define ACPI_RESTAG_DECODE "_DEC" +#define ACPI_RESTAG_DEVICEPOLARITY "_DPL" #define ACPI_RESTAG_DMA "_DMA" #define ACPI_RESTAG_DMATYPE "_TYP" /* Compatible(0), A(1), B(2), F(3) */ +#define ACPI_RESTAG_DRIVESTRENGTH "_DRS" +#define ACPI_RESTAG_ENDIANNESS "_END" +#define ACPI_RESTAG_FLOWCONTROL "_FLC" #define ACPI_RESTAG_GRANULARITY "_GRA" #define ACPI_RESTAG_INTERRUPT "_INT" #define ACPI_RESTAG_INTERRUPTLEVEL "_LL_" /* active_lo(1), active_hi(0) */ #define ACPI_RESTAG_INTERRUPTSHARE "_SHR" /* Shareable(1), no_share(0) */ #define ACPI_RESTAG_INTERRUPTTYPE "_HE_" /* Edge(1), Level(0) */ +#define ACPI_RESTAG_IORESTRICTION "_IOR" #define ACPI_RESTAG_LENGTH "_LEN" +#define ACPI_RESTAG_LINE "_LIN" #define ACPI_RESTAG_MEMATTRIBUTES "_MTP" /* Memory(0), Reserved(1), ACPI(2), NVS(3) */ #define ACPI_RESTAG_MEMTYPE "_MEM" /* non_cache(0), Cacheable(1) Cache+combine(2), Cache+prefetch(3) */ #define ACPI_RESTAG_MAXADDR "_MAX" #define ACPI_RESTAG_MINADDR "_MIN" #define ACPI_RESTAG_MAXTYPE "_MAF" #define ACPI_RESTAG_MINTYPE "_MIF" +#define ACPI_RESTAG_MODE "_MOD" +#define ACPI_RESTAG_PARITY "_PAR" +#define ACPI_RESTAG_PHASE "_PHA" +#define ACPI_RESTAG_PIN "_PIN" +#define ACPI_RESTAG_PINCONFIG "_PPI" +#define ACPI_RESTAG_POLARITY "_POL" #define ACPI_RESTAG_REGISTERBITOFFSET "_RBO" #define ACPI_RESTAG_REGISTERBITWIDTH "_RBW" #define ACPI_RESTAG_RANGETYPE "_RNG" #define ACPI_RESTAG_READWRITETYPE "_RW_" /* read_only(0), Writeable (1) */ +#define ACPI_RESTAG_LENGTH_RX "_RXL" +#define ACPI_RESTAG_LENGTH_TX "_TXL" +#define ACPI_RESTAG_SLAVEMODE "_SLV" +#define ACPI_RESTAG_SPEED "_SPE" +#define ACPI_RESTAG_STOPBITS "_STB" #define ACPI_RESTAG_TRANSLATION "_TRA" #define ACPI_RESTAG_TRANSTYPE "_TRS" /* Sparse(1), Dense(0) */ #define ACPI_RESTAG_TYPE "_TTP" /* Translation(1), Static (0) */ #define ACPI_RESTAG_XFERTYPE "_SIZ" /* 8(0), 8_and16(1), 16(2) */ +#define ACPI_RESTAG_VENDORDATA "_VEN" /* Default sizes for "small" resource descriptors */ @@ -90,6 +109,7 @@ #define ASL_RDESC_END_DEPEND_SIZE 0x00 #define ASL_RDESC_IO_SIZE 0x07 #define ASL_RDESC_FIXED_IO_SIZE 0x03 +#define ASL_RDESC_FIXED_DMA_SIZE 0x05 #define ASL_RDESC_END_TAG_SIZE 0x01 struct asl_resource_node { @@ -164,6 +184,12 @@ struct aml_resource_end_tag { AML_RESOURCE_SMALL_HEADER_COMMON u8 checksum; }; +struct aml_resource_fixed_dma { + AML_RESOURCE_SMALL_HEADER_COMMON u16 request_lines; + u16 channels; + u8 width; +}; + /* * LARGE descriptors */ @@ -263,6 +289,110 @@ struct aml_resource_generic_register { u64 address; }; +/* Common descriptor for gpio_int and gpio_io (ACPI 5.0) */ + +struct aml_resource_gpio { + AML_RESOURCE_LARGE_HEADER_COMMON u8 revision_id; + u8 connection_type; + u16 flags; + u16 int_flags; + u8 pin_config; + u16 drive_strength; + u16 debounce_timeout; + u16 pin_table_offset; + u8 res_source_index; + u16 res_source_offset; + u16 vendor_offset; + u16 vendor_length; + /* + * Optional fields follow immediately: + * 1) PIN list (Words) + * 2) Resource Source String + * 3) Vendor Data bytes + */ +}; + +#define AML_RESOURCE_GPIO_REVISION 1 /* ACPI 5.0 */ + +/* Values for connection_type above */ + +#define AML_RESOURCE_GPIO_TYPE_INT 0 +#define AML_RESOURCE_GPIO_TYPE_IO 1 +#define AML_RESOURCE_MAX_GPIOTYPE 1 + +/* Common preamble for all serial descriptors (ACPI 5.0) */ + +#define AML_RESOURCE_SERIAL_COMMON \ + u8 revision_id; \ + u8 res_source_index; \ + u8 type; \ + u8 flags; \ + u16 type_specific_flags; \ + u8 type_revision_id; \ + u16 type_data_length; \ + +/* Values for the type field above */ + +#define AML_RESOURCE_I2C_SERIALBUSTYPE 1 +#define AML_RESOURCE_SPI_SERIALBUSTYPE 2 +#define AML_RESOURCE_UART_SERIALBUSTYPE 3 +#define AML_RESOURCE_MAX_SERIALBUSTYPE 3 +#define AML_RESOURCE_VENDOR_SERIALBUSTYPE 192 /* Vendor defined is 0xC0-0xFF (NOT SUPPORTED) */ + +struct aml_resource_common_serialbus { +AML_RESOURCE_LARGE_HEADER_COMMON AML_RESOURCE_SERIAL_COMMON}; + +struct aml_resource_i2c_serialbus { + AML_RESOURCE_LARGE_HEADER_COMMON + AML_RESOURCE_SERIAL_COMMON u32 connection_speed; + u16 slave_address; + /* + * Optional fields follow immediately: + * 1) Vendor Data bytes + * 2) Resource Source String + */ +}; + +#define AML_RESOURCE_I2C_REVISION 1 /* ACPI 5.0 */ +#define AML_RESOURCE_I2C_TYPE_REVISION 1 /* ACPI 5.0 */ +#define AML_RESOURCE_I2C_MIN_DATA_LEN 6 + +struct aml_resource_spi_serialbus { + AML_RESOURCE_LARGE_HEADER_COMMON + AML_RESOURCE_SERIAL_COMMON u32 connection_speed; + u8 data_bit_length; + u8 clock_phase; + u8 clock_polarity; + u16 device_selection; + /* + * Optional fields follow immediately: + * 1) Vendor Data bytes + * 2) Resource Source String + */ +}; + +#define AML_RESOURCE_SPI_REVISION 1 /* ACPI 5.0 */ +#define AML_RESOURCE_SPI_TYPE_REVISION 1 /* ACPI 5.0 */ +#define AML_RESOURCE_SPI_MIN_DATA_LEN 9 + +struct aml_resource_uart_serialbus { + AML_RESOURCE_LARGE_HEADER_COMMON + AML_RESOURCE_SERIAL_COMMON u32 default_baud_rate; + u16 rx_fifo_size; + u16 tx_fifo_size; + u8 parity; + u8 lines_enabled; + /* + * Optional fields follow immediately: + * 1) Vendor Data bytes + * 2) Resource Source String + */ +}; + +#define AML_RESOURCE_UART_REVISION 1 /* ACPI 5.0 */ +#define AML_RESOURCE_UART_TYPE_REVISION 1 /* ACPI 5.0 */ +#define AML_RESOURCE_UART_MIN_DATA_LEN 10 + /* restore default alignment */ #pragma pack() @@ -284,6 +414,7 @@ union aml_resource { struct aml_resource_end_dependent end_dpf; struct aml_resource_io io; struct aml_resource_fixed_io fixed_io; + struct aml_resource_fixed_dma fixed_dma; struct aml_resource_vendor_small vendor_small; struct aml_resource_end_tag end_tag; @@ -299,6 +430,11 @@ union aml_resource { struct aml_resource_address64 address64; struct aml_resource_extended_address64 ext_address64; struct aml_resource_extended_irq extended_irq; + struct aml_resource_gpio gpio; + struct aml_resource_i2c_serialbus i2c_serial_bus; + struct aml_resource_spi_serialbus spi_serial_bus; + struct aml_resource_uart_serialbus uart_serial_bus; + struct aml_resource_common_serialbus common_serial_bus; /* Utility overlays */ diff --git a/drivers/acpi/acpica/dsargs.c b/drivers/acpi/acpica/dsargs.c index 8c7b99728aa2..80eb1900297f 100644 --- a/drivers/acpi/acpica/dsargs.c +++ b/drivers/acpi/acpica/dsargs.c @@ -6,7 +6,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -250,6 +250,13 @@ acpi_ds_get_bank_field_arguments(union acpi_operand_object *obj_desc) status = acpi_ds_execute_arguments(node, node->parent, extra_desc->extra.aml_length, extra_desc->extra.aml_start); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); + } + + status = acpi_ut_add_address_range(obj_desc->region.space_id, + obj_desc->region.address, + obj_desc->region.length, node); return_ACPI_STATUS(status); } @@ -384,8 +391,15 @@ acpi_status acpi_ds_get_region_arguments(union acpi_operand_object *obj_desc) /* Execute the argument AML */ - status = acpi_ds_execute_arguments(node, node->parent, + status = acpi_ds_execute_arguments(node, extra_desc->extra.scope_node, extra_desc->extra.aml_length, extra_desc->extra.aml_start); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); + } + + status = acpi_ut_add_address_range(obj_desc->region.space_id, + obj_desc->region.address, + obj_desc->region.length, node); return_ACPI_STATUS(status); } diff --git a/drivers/acpi/acpica/dscontrol.c b/drivers/acpi/acpica/dscontrol.c index 26c49fff58da..effe4ca1133f 100644 --- a/drivers/acpi/acpica/dscontrol.c +++ b/drivers/acpi/acpica/dscontrol.c @@ -6,7 +6,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/acpica/dsfield.c b/drivers/acpi/acpica/dsfield.c index 34be60c0e448..cd243cf2cab2 100644 --- a/drivers/acpi/acpica/dsfield.c +++ b/drivers/acpi/acpica/dsfield.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -221,6 +221,7 @@ acpi_ds_get_field_names(struct acpi_create_field_info *info, { acpi_status status; u64 position; + union acpi_parse_object *child; ACPI_FUNCTION_TRACE_PTR(ds_get_field_names, info); @@ -232,10 +233,11 @@ acpi_ds_get_field_names(struct acpi_create_field_info *info, while (arg) { /* - * Three types of field elements are handled: - * 1) Offset - specifies a bit offset - * 2) access_as - changes the access mode - * 3) Name - Enters a new named field into the namespace + * Four types of field elements are handled: + * 1) Name - Enters a new named field into the namespace + * 2) Offset - specifies a bit offset + * 3) access_as - changes the access mode/attributes + * 4) Connection - Associate a resource template with the field */ switch (arg->common.aml_opcode) { case AML_INT_RESERVEDFIELD_OP: @@ -253,21 +255,70 @@ acpi_ds_get_field_names(struct acpi_create_field_info *info, break; case AML_INT_ACCESSFIELD_OP: - + case AML_INT_EXTACCESSFIELD_OP: /* - * Get a new access_type and access_attribute -- to be used for all - * field units that follow, until field end or another access_as - * keyword. + * Get new access_type, access_attribute, and access_length fields + * -- to be used for all field units that follow, until the + * end-of-field or another access_as keyword is encountered. + * NOTE. These three bytes are encoded in the integer value + * of the parseop for convenience. * * In field_flags, preserve the flag bits other than the - * ACCESS_TYPE bits + * ACCESS_TYPE bits. */ + + /* access_type (byte_acc, word_acc, etc.) */ + info->field_flags = (u8) ((info-> field_flags & ~(AML_FIELD_ACCESS_TYPE_MASK)) | - ((u8) ((u32) arg->common.value.integer >> 8))); + ((u8)((u32)(arg->common.value.integer & 0x07)))); + + /* access_attribute (attrib_quick, attrib_byte, etc.) */ + + info->attribute = + (u8)((arg->common.value.integer >> 8) & 0xFF); + + /* access_length (for serial/buffer protocols) */ + + info->access_length = + (u8)((arg->common.value.integer >> 16) & 0xFF); + break; + + case AML_INT_CONNECTION_OP: + /* + * Clear any previous connection. New connection is used for all + * fields that follow, similar to access_as + */ + info->resource_buffer = NULL; + info->connection_node = NULL; - info->attribute = (u8) (arg->common.value.integer); + /* + * A Connection() is either an actual resource descriptor (buffer) + * or a named reference to a resource template + */ + child = arg->common.value.arg; + if (child->common.aml_opcode == AML_INT_BYTELIST_OP) { + info->resource_buffer = child->named.data; + info->resource_length = + (u16)child->named.value.integer; + } else { + /* Lookup the Connection() namepath, it should already exist */ + + status = acpi_ns_lookup(walk_state->scope_info, + child->common.value. + name, ACPI_TYPE_ANY, + ACPI_IMODE_EXECUTE, + ACPI_NS_DONT_OPEN_SCOPE, + walk_state, + &info->connection_node); + if (ACPI_FAILURE(status)) { + ACPI_ERROR_NAMESPACE(child->common. + value.name, + status); + return_ACPI_STATUS(status); + } + } break; case AML_INT_NAMEDFIELD_OP: @@ -374,6 +425,8 @@ acpi_ds_create_field(union acpi_parse_object *op, } } + ACPI_MEMSET(&info, 0, sizeof(struct acpi_create_field_info)); + /* Second arg is the field flags */ arg = arg->common.next; @@ -386,7 +439,6 @@ acpi_ds_create_field(union acpi_parse_object *op, info.region_node = region_node; status = acpi_ds_get_field_names(&info, walk_state, arg->common.next); - return_ACPI_STATUS(status); } @@ -474,8 +526,8 @@ acpi_ds_init_field_objects(union acpi_parse_object *op, */ while (arg) { /* - * Ignore OFFSET and ACCESSAS terms here; we are only interested in the - * field names in order to enter them into the namespace. + * Ignore OFFSET/ACCESSAS/CONNECTION terms here; we are only interested + * in the field names in order to enter them into the namespace. */ if (arg->common.aml_opcode == AML_INT_NAMEDFIELD_OP) { status = acpi_ns_lookup(walk_state->scope_info, @@ -651,6 +703,5 @@ acpi_ds_create_index_field(union acpi_parse_object *op, info.region_node = region_node; status = acpi_ds_get_field_names(&info, walk_state, arg->common.next); - return_ACPI_STATUS(status); } diff --git a/drivers/acpi/acpica/dsinit.c b/drivers/acpi/acpica/dsinit.c index a7718bf2b9a1..9e5ac7f780a7 100644 --- a/drivers/acpi/acpica/dsinit.c +++ b/drivers/acpi/acpica/dsinit.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/acpica/dsmethod.c b/drivers/acpi/acpica/dsmethod.c index 5d797751e205..00f5dab5bcc0 100644 --- a/drivers/acpi/acpica/dsmethod.c +++ b/drivers/acpi/acpica/dsmethod.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/acpica/dsmthdat.c b/drivers/acpi/acpica/dsmthdat.c index 905ce29a92e1..b40bd507be5d 100644 --- a/drivers/acpi/acpica/dsmthdat.c +++ b/drivers/acpi/acpica/dsmthdat.c @@ -5,7 +5,7 @@ ******************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/acpica/dsobject.c b/drivers/acpi/acpica/dsobject.c index f42e17e5c252..d7045ca3e32a 100644 --- a/drivers/acpi/acpica/dsobject.c +++ b/drivers/acpi/acpica/dsobject.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/acpica/dsopcode.c b/drivers/acpi/acpica/dsopcode.c index c627a288e027..e5eff7585102 100644 --- a/drivers/acpi/acpica/dsopcode.c +++ b/drivers/acpi/acpica/dsopcode.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/acpica/dsutils.c b/drivers/acpi/acpica/dsutils.c index 2c477ce172fa..1abcda31037f 100644 --- a/drivers/acpi/acpica/dsutils.c +++ b/drivers/acpi/acpica/dsutils.c @@ -5,7 +5,7 @@ ******************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/acpica/dswexec.c b/drivers/acpi/acpica/dswexec.c index fe40e4c6554f..642f3c053e87 100644 --- a/drivers/acpi/acpica/dswexec.c +++ b/drivers/acpi/acpica/dswexec.c @@ -6,7 +6,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/acpica/dswload.c b/drivers/acpi/acpica/dswload.c index 324acec1179a..552aa3a50c84 100644 --- a/drivers/acpi/acpica/dswload.c +++ b/drivers/acpi/acpica/dswload.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/acpica/dswload2.c b/drivers/acpi/acpica/dswload2.c index 976318138c56..ae7147724763 100644 --- a/drivers/acpi/acpica/dswload2.c +++ b/drivers/acpi/acpica/dswload2.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/acpica/dswscope.c b/drivers/acpi/acpica/dswscope.c index 76a661fc1e09..9e9490a9cbf0 100644 --- a/drivers/acpi/acpica/dswscope.c +++ b/drivers/acpi/acpica/dswscope.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/acpica/dswstate.c b/drivers/acpi/acpica/dswstate.c index a6c374ef9914..c9c2ac13e7cc 100644 --- a/drivers/acpi/acpica/dswstate.c +++ b/drivers/acpi/acpica/dswstate.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/acpica/evevent.c b/drivers/acpi/acpica/evevent.c index d458b041e651..07e4dc44f81c 100644 --- a/drivers/acpi/acpica/evevent.c +++ b/drivers/acpi/acpica/evevent.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -47,7 +47,7 @@ #define _COMPONENT ACPI_EVENTS ACPI_MODULE_NAME("evevent") - +#if (!ACPI_REDUCED_HARDWARE) /* Entire module */ /* Local prototypes */ static acpi_status acpi_ev_fixed_event_initialize(void); @@ -71,6 +71,12 @@ acpi_status acpi_ev_initialize_events(void) ACPI_FUNCTION_TRACE(ev_initialize_events); + /* If Hardware Reduced flag is set, there are no fixed events */ + + if (acpi_gbl_reduced_hardware) { + return_ACPI_STATUS(AE_OK); + } + /* * Initialize the Fixed and General Purpose Events. This is done prior to * enabling SCIs to prevent interrupts from occurring before the handlers @@ -111,6 +117,12 @@ acpi_status acpi_ev_install_xrupt_handlers(void) ACPI_FUNCTION_TRACE(ev_install_xrupt_handlers); + /* If Hardware Reduced flag is set, there is no ACPI h/w */ + + if (acpi_gbl_reduced_hardware) { + return_ACPI_STATUS(AE_OK); + } + /* Install the SCI handler */ status = acpi_ev_install_sci_handler(); @@ -279,3 +291,5 @@ static u32 acpi_ev_fixed_event_dispatch(u32 event) return ((acpi_gbl_fixed_event_handlers[event]. handler) (acpi_gbl_fixed_event_handlers[event].context)); } + +#endif /* !ACPI_REDUCED_HARDWARE */ diff --git a/drivers/acpi/acpica/evglock.c b/drivers/acpi/acpica/evglock.c index 56a562a1e5d7..cfeab38795d8 100644 --- a/drivers/acpi/acpica/evglock.c +++ b/drivers/acpi/acpica/evglock.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -48,7 +48,7 @@ #define _COMPONENT ACPI_EVENTS ACPI_MODULE_NAME("evglock") - +#if (!ACPI_REDUCED_HARDWARE) /* Entire module */ /* Local prototypes */ static u32 acpi_ev_global_lock_handler(void *context); @@ -70,6 +70,12 @@ acpi_status acpi_ev_init_global_lock_handler(void) ACPI_FUNCTION_TRACE(ev_init_global_lock_handler); + /* If Hardware Reduced flag is set, there is no global lock */ + + if (acpi_gbl_reduced_hardware) { + return_ACPI_STATUS(AE_OK); + } + /* Attempt installation of the global lock handler */ status = acpi_install_fixed_event_handler(ACPI_EVENT_GLOBAL, @@ -333,3 +339,5 @@ acpi_status acpi_ev_release_global_lock(void) acpi_os_release_mutex(acpi_gbl_global_lock_mutex->mutex.os_mutex); return_ACPI_STATUS(status); } + +#endif /* !ACPI_REDUCED_HARDWARE */ diff --git a/drivers/acpi/acpica/evgpe.c b/drivers/acpi/acpica/evgpe.c index 65c79add3b19..8ba0e5f17091 100644 --- a/drivers/acpi/acpica/evgpe.c +++ b/drivers/acpi/acpica/evgpe.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -48,7 +48,7 @@ #define _COMPONENT ACPI_EVENTS ACPI_MODULE_NAME("evgpe") - +#if (!ACPI_REDUCED_HARDWARE) /* Entire module */ /* Local prototypes */ static void ACPI_SYSTEM_XFACE acpi_ev_asynch_execute_gpe_method(void *context); @@ -766,3 +766,5 @@ acpi_ev_gpe_dispatch(struct acpi_namespace_node *gpe_device, return_UINT32(ACPI_INTERRUPT_HANDLED); } + +#endif /* !ACPI_REDUCED_HARDWARE */ diff --git a/drivers/acpi/acpica/evgpeblk.c b/drivers/acpi/acpica/evgpeblk.c index ca2c41a53311..23a3ca86b2eb 100644 --- a/drivers/acpi/acpica/evgpeblk.c +++ b/drivers/acpi/acpica/evgpeblk.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -48,7 +48,7 @@ #define _COMPONENT ACPI_EVENTS ACPI_MODULE_NAME("evgpeblk") - +#if (!ACPI_REDUCED_HARDWARE) /* Entire module */ /* Local prototypes */ static acpi_status acpi_ev_install_gpe_block(struct acpi_gpe_block_info *gpe_block, @@ -504,3 +504,5 @@ acpi_ev_initialize_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info, return_ACPI_STATUS(AE_OK); } + +#endif /* !ACPI_REDUCED_HARDWARE */ diff --git a/drivers/acpi/acpica/evgpeinit.c b/drivers/acpi/acpica/evgpeinit.c index ce9aa9f9a972..da0add858f81 100644 --- a/drivers/acpi/acpica/evgpeinit.c +++ b/drivers/acpi/acpica/evgpeinit.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -48,7 +48,7 @@ #define _COMPONENT ACPI_EVENTS ACPI_MODULE_NAME("evgpeinit") - +#if (!ACPI_REDUCED_HARDWARE) /* Entire module */ /* * Note: History of _PRW support in ACPICA * @@ -440,3 +440,5 @@ acpi_ev_match_gpe_method(acpi_handle obj_handle, name, gpe_number)); return_ACPI_STATUS(AE_OK); } + +#endif /* !ACPI_REDUCED_HARDWARE */ diff --git a/drivers/acpi/acpica/evgpeutil.c b/drivers/acpi/acpica/evgpeutil.c index 80a81d0c4a80..3c43796b8361 100644 --- a/drivers/acpi/acpica/evgpeutil.c +++ b/drivers/acpi/acpica/evgpeutil.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -48,6 +48,7 @@ #define _COMPONENT ACPI_EVENTS ACPI_MODULE_NAME("evgpeutil") +#if (!ACPI_REDUCED_HARDWARE) /* Entire module */ /******************************************************************************* * * FUNCTION: acpi_ev_walk_gpe_list @@ -374,3 +375,5 @@ acpi_ev_delete_gpe_handlers(struct acpi_gpe_xrupt_info *gpe_xrupt_info, return_ACPI_STATUS(AE_OK); } + +#endif /* !ACPI_REDUCED_HARDWARE */ diff --git a/drivers/acpi/acpica/evmisc.c b/drivers/acpi/acpica/evmisc.c index d0b331844427..51ef9f5e002d 100644 --- a/drivers/acpi/acpica/evmisc.c +++ b/drivers/acpi/acpica/evmisc.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -108,27 +108,30 @@ acpi_ev_queue_notify_request(struct acpi_namespace_node * node, ACPI_FUNCTION_NAME(ev_queue_notify_request); /* - * For value 3 (Ejection Request), some device method may need to be run. - * For value 2 (Device Wake) if _PRW exists, the _PS0 method may need - * to be run. + * For value 0x03 (Ejection Request), may need to run a device method. + * For value 0x02 (Device Wake), if _PRW exists, may need to run + * the _PS0 method. * For value 0x80 (Status Change) on the power button or sleep button, - * initiate soft-off or sleep operation? + * initiate soft-off or sleep operation. + * + * For all cases, simply dispatch the notify to the handler. */ ACPI_DEBUG_PRINT((ACPI_DB_INFO, - "Dispatching Notify on [%4.4s] Node %p Value 0x%2.2X (%s)\n", - acpi_ut_get_node_name(node), node, notify_value, - acpi_ut_get_notify_name(notify_value))); + "Dispatching Notify on [%4.4s] (%s) Value 0x%2.2X (%s) Node %p\n", + acpi_ut_get_node_name(node), + acpi_ut_get_type_name(node->type), notify_value, + acpi_ut_get_notify_name(notify_value), node)); /* Get the notify object attached to the NS Node */ obj_desc = acpi_ns_get_attached_object(node); if (obj_desc) { - /* We have the notify object, Get the right handler */ + /* We have the notify object, Get the correct handler */ switch (node->type) { - /* Notify allowed only on these types */ + /* Notify is allowed only on these types */ case ACPI_TYPE_DEVICE: case ACPI_TYPE_THERMAL: @@ -152,7 +155,7 @@ acpi_ev_queue_notify_request(struct acpi_namespace_node * node, } /* - * If there is any handler to run, schedule the dispatcher. + * If there is a handler to run, schedule the dispatcher. * Check for: * 1) Global system notify handler * 2) Global device notify handler @@ -270,6 +273,7 @@ static void ACPI_SYSTEM_XFACE acpi_ev_notify_dispatch(void *context) acpi_ut_delete_generic_state(notify_info); } +#if (!ACPI_REDUCED_HARDWARE) /****************************************************************************** * * FUNCTION: acpi_ev_terminate @@ -338,3 +342,5 @@ void acpi_ev_terminate(void) } return_VOID; } + +#endif /* !ACPI_REDUCED_HARDWARE */ diff --git a/drivers/acpi/acpica/evregion.c b/drivers/acpi/acpica/evregion.c index f0edf5c43c03..1b0180a1b798 100644 --- a/drivers/acpi/acpica/evregion.c +++ b/drivers/acpi/acpica/evregion.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -329,6 +329,7 @@ acpi_ev_execute_reg_method(union acpi_operand_object *region_obj, u32 function) * FUNCTION: acpi_ev_address_space_dispatch * * PARAMETERS: region_obj - Internal region object + * field_obj - Corresponding field. Can be NULL. * Function - Read or Write operation * region_offset - Where in the region to read or write * bit_width - Field width in bits (8, 16, 32, or 64) @@ -344,6 +345,7 @@ acpi_ev_execute_reg_method(union acpi_operand_object *region_obj, u32 function) acpi_status acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj, + union acpi_operand_object *field_obj, u32 function, u32 region_offset, u32 bit_width, u64 *value) { @@ -353,6 +355,7 @@ acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj, union acpi_operand_object *handler_desc; union acpi_operand_object *region_obj2; void *region_context = NULL; + struct acpi_connection_info *context; ACPI_FUNCTION_TRACE(ev_address_space_dispatch); @@ -375,6 +378,8 @@ acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj, return_ACPI_STATUS(AE_NOT_EXIST); } + context = handler_desc->address_space.context; + /* * It may be the case that the region has never been initialized. * Some types of regions require special init code @@ -404,8 +409,7 @@ acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj, acpi_ex_exit_interpreter(); status = region_setup(region_obj, ACPI_REGION_ACTIVATE, - handler_desc->address_space.context, - ®ion_context); + context, ®ion_context); /* Re-enter the interpreter */ @@ -455,6 +459,25 @@ acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj, acpi_ut_get_region_name(region_obj->region. space_id))); + /* + * Special handling for generic_serial_bus and general_purpose_io: + * There are three extra parameters that must be passed to the + * handler via the context: + * 1) Connection buffer, a resource template from Connection() op. + * 2) Length of the above buffer. + * 3) Actual access length from the access_as() op. + */ + if (((region_obj->region.space_id == ACPI_ADR_SPACE_GSBUS) || + (region_obj->region.space_id == ACPI_ADR_SPACE_GPIO)) && + context && field_obj) { + + /* Get the Connection (resource_template) buffer */ + + context->connection = field_obj->field.resource_buffer; + context->length = field_obj->field.resource_length; + context->access_length = field_obj->field.access_length; + } + if (!(handler_desc->address_space.handler_flags & ACPI_ADDR_HANDLER_DEFAULT_INSTALLED)) { /* @@ -469,7 +492,7 @@ acpi_ev_address_space_dispatch(union acpi_operand_object *region_obj, status = handler(function, (region_obj->region.address + region_offset), - bit_width, value, handler_desc->address_space.context, + bit_width, value, context, region_obj2->extra.region_context); if (ACPI_FAILURE(status)) { diff --git a/drivers/acpi/acpica/evrgnini.c b/drivers/acpi/acpica/evrgnini.c index 55a5d35ef34a..819c17f5897a 100644 --- a/drivers/acpi/acpica/evrgnini.c +++ b/drivers/acpi/acpica/evrgnini.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/acpica/evsci.c b/drivers/acpi/acpica/evsci.c index 2ebd40e1a3ef..6a57aa2d70d1 100644 --- a/drivers/acpi/acpica/evsci.c +++ b/drivers/acpi/acpica/evsci.c @@ -6,7 +6,7 @@ ******************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -48,7 +48,7 @@ #define _COMPONENT ACPI_EVENTS ACPI_MODULE_NAME("evsci") - +#if (!ACPI_REDUCED_HARDWARE) /* Entire module */ /* Local prototypes */ static u32 ACPI_SYSTEM_XFACE acpi_ev_sci_xrupt_handler(void *context); @@ -181,3 +181,5 @@ acpi_status acpi_ev_remove_sci_handler(void) return_ACPI_STATUS(status); } + +#endif /* !ACPI_REDUCED_HARDWARE */ diff --git a/drivers/acpi/acpica/evxface.c b/drivers/acpi/acpica/evxface.c index f4f523bf5939..44bef5744ebb 100644 --- a/drivers/acpi/acpica/evxface.c +++ b/drivers/acpi/acpica/evxface.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -51,222 +51,6 @@ #define _COMPONENT ACPI_EVENTS ACPI_MODULE_NAME("evxface") -/******************************************************************************* - * - * FUNCTION: acpi_install_exception_handler - * - * PARAMETERS: Handler - Pointer to the handler function for the - * event - * - * RETURN: Status - * - * DESCRIPTION: Saves the pointer to the handler function - * - ******************************************************************************/ -#ifdef ACPI_FUTURE_USAGE -acpi_status acpi_install_exception_handler(acpi_exception_handler handler) -{ - acpi_status status; - - ACPI_FUNCTION_TRACE(acpi_install_exception_handler); - - status = acpi_ut_acquire_mutex(ACPI_MTX_EVENTS); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - - /* Don't allow two handlers. */ - - if (acpi_gbl_exception_handler) { - status = AE_ALREADY_EXISTS; - goto cleanup; - } - - /* Install the handler */ - - acpi_gbl_exception_handler = handler; - - cleanup: - (void)acpi_ut_release_mutex(ACPI_MTX_EVENTS); - return_ACPI_STATUS(status); -} - -ACPI_EXPORT_SYMBOL(acpi_install_exception_handler) -#endif /* ACPI_FUTURE_USAGE */ - -/******************************************************************************* - * - * FUNCTION: acpi_install_global_event_handler - * - * PARAMETERS: Handler - Pointer to the global event handler function - * Context - Value passed to the handler on each event - * - * RETURN: Status - * - * DESCRIPTION: Saves the pointer to the handler function. The global handler - * is invoked upon each incoming GPE and Fixed Event. It is - * invoked at interrupt level at the time of the event dispatch. - * Can be used to update event counters, etc. - * - ******************************************************************************/ -acpi_status -acpi_install_global_event_handler(ACPI_GBL_EVENT_HANDLER handler, void *context) -{ - acpi_status status; - - ACPI_FUNCTION_TRACE(acpi_install_global_event_handler); - - /* Parameter validation */ - - if (!handler) { - return_ACPI_STATUS(AE_BAD_PARAMETER); - } - - status = acpi_ut_acquire_mutex(ACPI_MTX_EVENTS); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - - /* Don't allow two handlers. */ - - if (acpi_gbl_global_event_handler) { - status = AE_ALREADY_EXISTS; - goto cleanup; - } - - acpi_gbl_global_event_handler = handler; - acpi_gbl_global_event_handler_context = context; - - cleanup: - (void)acpi_ut_release_mutex(ACPI_MTX_EVENTS); - return_ACPI_STATUS(status); -} - -ACPI_EXPORT_SYMBOL(acpi_install_global_event_handler) - -/******************************************************************************* - * - * FUNCTION: acpi_install_fixed_event_handler - * - * PARAMETERS: Event - Event type to enable. - * Handler - Pointer to the handler function for the - * event - * Context - Value passed to the handler on each GPE - * - * RETURN: Status - * - * DESCRIPTION: Saves the pointer to the handler function and then enables the - * event. - * - ******************************************************************************/ -acpi_status -acpi_install_fixed_event_handler(u32 event, - acpi_event_handler handler, void *context) -{ - acpi_status status; - - ACPI_FUNCTION_TRACE(acpi_install_fixed_event_handler); - - /* Parameter validation */ - - if (event > ACPI_EVENT_MAX) { - return_ACPI_STATUS(AE_BAD_PARAMETER); - } - - status = acpi_ut_acquire_mutex(ACPI_MTX_EVENTS); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - - /* Don't allow two handlers. */ - - if (NULL != acpi_gbl_fixed_event_handlers[event].handler) { - status = AE_ALREADY_EXISTS; - goto cleanup; - } - - /* Install the handler before enabling the event */ - - acpi_gbl_fixed_event_handlers[event].handler = handler; - acpi_gbl_fixed_event_handlers[event].context = context; - - status = acpi_clear_event(event); - if (ACPI_SUCCESS(status)) - status = acpi_enable_event(event, 0); - if (ACPI_FAILURE(status)) { - ACPI_WARNING((AE_INFO, "Could not enable fixed event 0x%X", - event)); - - /* Remove the handler */ - - acpi_gbl_fixed_event_handlers[event].handler = NULL; - acpi_gbl_fixed_event_handlers[event].context = NULL; - } else { - ACPI_DEBUG_PRINT((ACPI_DB_INFO, - "Enabled fixed event %X, Handler=%p\n", event, - handler)); - } - - cleanup: - (void)acpi_ut_release_mutex(ACPI_MTX_EVENTS); - return_ACPI_STATUS(status); -} - -ACPI_EXPORT_SYMBOL(acpi_install_fixed_event_handler) - -/******************************************************************************* - * - * FUNCTION: acpi_remove_fixed_event_handler - * - * PARAMETERS: Event - Event type to disable. - * Handler - Address of the handler - * - * RETURN: Status - * - * DESCRIPTION: Disables the event and unregisters the event handler. - * - ******************************************************************************/ -acpi_status -acpi_remove_fixed_event_handler(u32 event, acpi_event_handler handler) -{ - acpi_status status = AE_OK; - - ACPI_FUNCTION_TRACE(acpi_remove_fixed_event_handler); - - /* Parameter validation */ - - if (event > ACPI_EVENT_MAX) { - return_ACPI_STATUS(AE_BAD_PARAMETER); - } - - status = acpi_ut_acquire_mutex(ACPI_MTX_EVENTS); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - - /* Disable the event before removing the handler */ - - status = acpi_disable_event(event, 0); - - /* Always Remove the handler */ - - acpi_gbl_fixed_event_handlers[event].handler = NULL; - acpi_gbl_fixed_event_handlers[event].context = NULL; - - if (ACPI_FAILURE(status)) { - ACPI_WARNING((AE_INFO, - "Could not write to fixed event enable register 0x%X", - event)); - } else { - ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Disabled fixed event %X\n", - event)); - } - - (void)acpi_ut_release_mutex(ACPI_MTX_EVENTS); - return_ACPI_STATUS(status); -} - -ACPI_EXPORT_SYMBOL(acpi_remove_fixed_event_handler) /******************************************************************************* * @@ -334,6 +118,7 @@ acpi_add_handler_object(struct acpi_object_notify_handler *parent_obj, return AE_OK; } + /******************************************************************************* * * FUNCTION: acpi_install_notify_handler @@ -705,6 +490,224 @@ ACPI_EXPORT_SYMBOL(acpi_remove_notify_handler) /******************************************************************************* * + * FUNCTION: acpi_install_exception_handler + * + * PARAMETERS: Handler - Pointer to the handler function for the + * event + * + * RETURN: Status + * + * DESCRIPTION: Saves the pointer to the handler function + * + ******************************************************************************/ +#ifdef ACPI_FUTURE_USAGE +acpi_status acpi_install_exception_handler(acpi_exception_handler handler) +{ + acpi_status status; + + ACPI_FUNCTION_TRACE(acpi_install_exception_handler); + + status = acpi_ut_acquire_mutex(ACPI_MTX_EVENTS); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); + } + + /* Don't allow two handlers. */ + + if (acpi_gbl_exception_handler) { + status = AE_ALREADY_EXISTS; + goto cleanup; + } + + /* Install the handler */ + + acpi_gbl_exception_handler = handler; + + cleanup: + (void)acpi_ut_release_mutex(ACPI_MTX_EVENTS); + return_ACPI_STATUS(status); +} + +ACPI_EXPORT_SYMBOL(acpi_install_exception_handler) +#endif /* ACPI_FUTURE_USAGE */ + +#if (!ACPI_REDUCED_HARDWARE) +/******************************************************************************* + * + * FUNCTION: acpi_install_global_event_handler + * + * PARAMETERS: Handler - Pointer to the global event handler function + * Context - Value passed to the handler on each event + * + * RETURN: Status + * + * DESCRIPTION: Saves the pointer to the handler function. The global handler + * is invoked upon each incoming GPE and Fixed Event. It is + * invoked at interrupt level at the time of the event dispatch. + * Can be used to update event counters, etc. + * + ******************************************************************************/ +acpi_status +acpi_install_global_event_handler(ACPI_GBL_EVENT_HANDLER handler, void *context) +{ + acpi_status status; + + ACPI_FUNCTION_TRACE(acpi_install_global_event_handler); + + /* Parameter validation */ + + if (!handler) { + return_ACPI_STATUS(AE_BAD_PARAMETER); + } + + status = acpi_ut_acquire_mutex(ACPI_MTX_EVENTS); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); + } + + /* Don't allow two handlers. */ + + if (acpi_gbl_global_event_handler) { + status = AE_ALREADY_EXISTS; + goto cleanup; + } + + acpi_gbl_global_event_handler = handler; + acpi_gbl_global_event_handler_context = context; + + cleanup: + (void)acpi_ut_release_mutex(ACPI_MTX_EVENTS); + return_ACPI_STATUS(status); +} + +ACPI_EXPORT_SYMBOL(acpi_install_global_event_handler) + +/******************************************************************************* + * + * FUNCTION: acpi_install_fixed_event_handler + * + * PARAMETERS: Event - Event type to enable. + * Handler - Pointer to the handler function for the + * event + * Context - Value passed to the handler on each GPE + * + * RETURN: Status + * + * DESCRIPTION: Saves the pointer to the handler function and then enables the + * event. + * + ******************************************************************************/ +acpi_status +acpi_install_fixed_event_handler(u32 event, + acpi_event_handler handler, void *context) +{ + acpi_status status; + + ACPI_FUNCTION_TRACE(acpi_install_fixed_event_handler); + + /* Parameter validation */ + + if (event > ACPI_EVENT_MAX) { + return_ACPI_STATUS(AE_BAD_PARAMETER); + } + + status = acpi_ut_acquire_mutex(ACPI_MTX_EVENTS); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); + } + + /* Don't allow two handlers. */ + + if (NULL != acpi_gbl_fixed_event_handlers[event].handler) { + status = AE_ALREADY_EXISTS; + goto cleanup; + } + + /* Install the handler before enabling the event */ + + acpi_gbl_fixed_event_handlers[event].handler = handler; + acpi_gbl_fixed_event_handlers[event].context = context; + + status = acpi_clear_event(event); + if (ACPI_SUCCESS(status)) + status = acpi_enable_event(event, 0); + if (ACPI_FAILURE(status)) { + ACPI_WARNING((AE_INFO, "Could not enable fixed event 0x%X", + event)); + + /* Remove the handler */ + + acpi_gbl_fixed_event_handlers[event].handler = NULL; + acpi_gbl_fixed_event_handlers[event].context = NULL; + } else { + ACPI_DEBUG_PRINT((ACPI_DB_INFO, + "Enabled fixed event %X, Handler=%p\n", event, + handler)); + } + + cleanup: + (void)acpi_ut_release_mutex(ACPI_MTX_EVENTS); + return_ACPI_STATUS(status); +} + +ACPI_EXPORT_SYMBOL(acpi_install_fixed_event_handler) + +/******************************************************************************* + * + * FUNCTION: acpi_remove_fixed_event_handler + * + * PARAMETERS: Event - Event type to disable. + * Handler - Address of the handler + * + * RETURN: Status + * + * DESCRIPTION: Disables the event and unregisters the event handler. + * + ******************************************************************************/ +acpi_status +acpi_remove_fixed_event_handler(u32 event, acpi_event_handler handler) +{ + acpi_status status = AE_OK; + + ACPI_FUNCTION_TRACE(acpi_remove_fixed_event_handler); + + /* Parameter validation */ + + if (event > ACPI_EVENT_MAX) { + return_ACPI_STATUS(AE_BAD_PARAMETER); + } + + status = acpi_ut_acquire_mutex(ACPI_MTX_EVENTS); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); + } + + /* Disable the event before removing the handler */ + + status = acpi_disable_event(event, 0); + + /* Always Remove the handler */ + + acpi_gbl_fixed_event_handlers[event].handler = NULL; + acpi_gbl_fixed_event_handlers[event].context = NULL; + + if (ACPI_FAILURE(status)) { + ACPI_WARNING((AE_INFO, + "Could not write to fixed event enable register 0x%X", + event)); + } else { + ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Disabled fixed event %X\n", + event)); + } + + (void)acpi_ut_release_mutex(ACPI_MTX_EVENTS); + return_ACPI_STATUS(status); +} + +ACPI_EXPORT_SYMBOL(acpi_remove_fixed_event_handler) + +/******************************************************************************* + * * FUNCTION: acpi_install_gpe_handler * * PARAMETERS: gpe_device - Namespace node for the GPE (NULL for FADT @@ -984,3 +987,4 @@ acpi_status acpi_release_global_lock(u32 handle) } ACPI_EXPORT_SYMBOL(acpi_release_global_lock) +#endif /* !ACPI_REDUCED_HARDWARE */ diff --git a/drivers/acpi/acpica/evxfevnt.c b/drivers/acpi/acpica/evxfevnt.c index 20516e599476..77cee5a5e891 100644 --- a/drivers/acpi/acpica/evxfevnt.c +++ b/drivers/acpi/acpica/evxfevnt.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -49,6 +49,7 @@ #define _COMPONENT ACPI_EVENTS ACPI_MODULE_NAME("evxfevnt") +#if (!ACPI_REDUCED_HARDWARE) /* Entire module */ /******************************************************************************* * * FUNCTION: acpi_enable @@ -352,3 +353,4 @@ acpi_status acpi_get_event_status(u32 event, acpi_event_status * event_status) } ACPI_EXPORT_SYMBOL(acpi_get_event_status) +#endif /* !ACPI_REDUCED_HARDWARE */ diff --git a/drivers/acpi/acpica/evxfgpe.c b/drivers/acpi/acpica/evxfgpe.c index f06a3ee356ba..86f9b343ebd4 100644 --- a/drivers/acpi/acpica/evxfgpe.c +++ b/drivers/acpi/acpica/evxfgpe.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -50,6 +50,7 @@ #define _COMPONENT ACPI_EVENTS ACPI_MODULE_NAME("evxfgpe") +#if (!ACPI_REDUCED_HARDWARE) /* Entire module */ /****************************************************************************** * * FUNCTION: acpi_update_all_gpes @@ -695,3 +696,4 @@ acpi_get_gpe_device(u32 index, acpi_handle *gpe_device) } ACPI_EXPORT_SYMBOL(acpi_get_gpe_device) +#endif /* !ACPI_REDUCED_HARDWARE */ diff --git a/drivers/acpi/acpica/evxfregn.c b/drivers/acpi/acpica/evxfregn.c index aee887e3ca5c..6019208cd4b6 100644 --- a/drivers/acpi/acpica/evxfregn.c +++ b/drivers/acpi/acpica/evxfregn.c @@ -6,7 +6,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/acpica/exconfig.c b/drivers/acpi/acpica/exconfig.c index 745a42b401f5..c86d44e41bc8 100644 --- a/drivers/acpi/acpica/exconfig.c +++ b/drivers/acpi/acpica/exconfig.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -297,9 +297,9 @@ acpi_ex_region_read(union acpi_operand_object *obj_desc, u32 length, u8 *buffer) /* Bytewise reads */ for (i = 0; i < length; i++) { - status = acpi_ev_address_space_dispatch(obj_desc, ACPI_READ, - region_offset, 8, - &value); + status = + acpi_ev_address_space_dispatch(obj_desc, NULL, ACPI_READ, + region_offset, 8, &value); if (ACPI_FAILURE(status)) { return status; } diff --git a/drivers/acpi/acpica/exconvrt.c b/drivers/acpi/acpica/exconvrt.c index 74162a11817d..e385436bd424 100644 --- a/drivers/acpi/acpica/exconvrt.c +++ b/drivers/acpi/acpica/exconvrt.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/acpica/excreate.c b/drivers/acpi/acpica/excreate.c index 110711afada8..3f5bc998c1cb 100644 --- a/drivers/acpi/acpica/excreate.c +++ b/drivers/acpi/acpica/excreate.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -267,7 +267,7 @@ acpi_status acpi_ex_create_mutex(struct acpi_walk_state *walk_state) * * PARAMETERS: aml_start - Pointer to the region declaration AML * aml_length - Max length of the declaration AML - * region_space - space_iD for the region + * space_id - Address space ID for the region * walk_state - Current state * * RETURN: Status @@ -279,7 +279,7 @@ acpi_status acpi_ex_create_mutex(struct acpi_walk_state *walk_state) acpi_status acpi_ex_create_region(u8 * aml_start, u32 aml_length, - u8 region_space, struct acpi_walk_state *walk_state) + u8 space_id, struct acpi_walk_state *walk_state) { acpi_status status; union acpi_operand_object *obj_desc; @@ -304,16 +304,19 @@ acpi_ex_create_region(u8 * aml_start, * Space ID must be one of the predefined IDs, or in the user-defined * range */ - if ((region_space >= ACPI_NUM_PREDEFINED_REGIONS) && - (region_space < ACPI_USER_REGION_BEGIN) && - (region_space != ACPI_ADR_SPACE_DATA_TABLE)) { - ACPI_ERROR((AE_INFO, "Invalid AddressSpace type 0x%X", - region_space)); - return_ACPI_STATUS(AE_AML_INVALID_SPACE_ID); + if (!acpi_is_valid_space_id(space_id)) { + /* + * Print an error message, but continue. We don't want to abort + * a table load for this exception. Instead, if the region is + * actually used at runtime, abort the executing method. + */ + ACPI_ERROR((AE_INFO, + "Invalid/unknown Address Space ID: 0x%2.2X", + space_id)); } ACPI_DEBUG_PRINT((ACPI_DB_LOAD, "Region Type - %s (0x%X)\n", - acpi_ut_get_region_name(region_space), region_space)); + acpi_ut_get_region_name(space_id), space_id)); /* Create the region descriptor */ @@ -330,10 +333,16 @@ acpi_ex_create_region(u8 * aml_start, region_obj2 = obj_desc->common.next_object; region_obj2->extra.aml_start = aml_start; region_obj2->extra.aml_length = aml_length; + if (walk_state->scope_info) { + region_obj2->extra.scope_node = + walk_state->scope_info->scope.node; + } else { + region_obj2->extra.scope_node = node; + } /* Init the region from the operands */ - obj_desc->region.space_id = region_space; + obj_desc->region.space_id = space_id; obj_desc->region.address = 0; obj_desc->region.length = 0; obj_desc->region.node = node; diff --git a/drivers/acpi/acpica/exdebug.c b/drivers/acpi/acpica/exdebug.c index c7a2f1edd282..e211e9c19215 100644 --- a/drivers/acpi/acpica/exdebug.c +++ b/drivers/acpi/acpica/exdebug.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/acpica/exdump.c b/drivers/acpi/acpica/exdump.c index 61b8c0e8b74d..2a6ac0a3bc1e 100644 --- a/drivers/acpi/acpica/exdump.c +++ b/drivers/acpi/acpica/exdump.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -192,10 +192,13 @@ static struct acpi_exdump_info acpi_ex_dump_buffer_field[3] = { "Buffer Object"} }; -static struct acpi_exdump_info acpi_ex_dump_region_field[3] = { +static struct acpi_exdump_info acpi_ex_dump_region_field[5] = { {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_region_field), NULL}, {ACPI_EXD_FIELD, 0, NULL}, - {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(field.region_obj), "Region Object"} + {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(field.access_length), "AccessLength"}, + {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(field.region_obj), "Region Object"}, + {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(field.resource_buffer), + "ResourceBuffer"} }; static struct acpi_exdump_info acpi_ex_dump_bank_field[5] = { diff --git a/drivers/acpi/acpica/exfield.c b/drivers/acpi/acpica/exfield.c index 0bde2230c028..dc092f5b35d6 100644 --- a/drivers/acpi/acpica/exfield.c +++ b/drivers/acpi/acpica/exfield.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -100,18 +100,25 @@ acpi_ex_read_data_from_field(struct acpi_walk_state *walk_state, (obj_desc->field.region_obj->region.space_id == ACPI_ADR_SPACE_SMBUS || obj_desc->field.region_obj->region.space_id == + ACPI_ADR_SPACE_GSBUS + || obj_desc->field.region_obj->region.space_id == ACPI_ADR_SPACE_IPMI)) { /* - * This is an SMBus or IPMI read. We must create a buffer to hold + * This is an SMBus, GSBus or IPMI read. We must create a buffer to hold * the data and then directly access the region handler. * - * Note: Smbus protocol value is passed in upper 16-bits of Function + * Note: SMBus and GSBus protocol value is passed in upper 16-bits of Function */ if (obj_desc->field.region_obj->region.space_id == ACPI_ADR_SPACE_SMBUS) { length = ACPI_SMBUS_BUFFER_SIZE; function = ACPI_READ | (obj_desc->field.attribute << 16); + } else if (obj_desc->field.region_obj->region.space_id == + ACPI_ADR_SPACE_GSBUS) { + length = ACPI_GSBUS_BUFFER_SIZE; + function = + ACPI_READ | (obj_desc->field.attribute << 16); } else { /* IPMI */ length = ACPI_IPMI_BUFFER_SIZE; @@ -248,21 +255,23 @@ acpi_ex_write_data_to_field(union acpi_operand_object *source_desc, (obj_desc->field.region_obj->region.space_id == ACPI_ADR_SPACE_SMBUS || obj_desc->field.region_obj->region.space_id == + ACPI_ADR_SPACE_GSBUS + || obj_desc->field.region_obj->region.space_id == ACPI_ADR_SPACE_IPMI)) { /* - * This is an SMBus or IPMI write. We will bypass the entire field + * This is an SMBus, GSBus or IPMI write. We will bypass the entire field * mechanism and handoff the buffer directly to the handler. For * these address spaces, the buffer is bi-directional; on a write, * return data is returned in the same buffer. * * Source must be a buffer of sufficient size: - * ACPI_SMBUS_BUFFER_SIZE or ACPI_IPMI_BUFFER_SIZE. + * ACPI_SMBUS_BUFFER_SIZE, ACPI_GSBUS_BUFFER_SIZE, or ACPI_IPMI_BUFFER_SIZE. * - * Note: SMBus protocol type is passed in upper 16-bits of Function + * Note: SMBus and GSBus protocol type is passed in upper 16-bits of Function */ if (source_desc->common.type != ACPI_TYPE_BUFFER) { ACPI_ERROR((AE_INFO, - "SMBus or IPMI write requires Buffer, found type %s", + "SMBus/IPMI/GenericSerialBus write requires Buffer, found type %s", acpi_ut_get_object_type_name(source_desc))); return_ACPI_STATUS(AE_AML_OPERAND_TYPE); @@ -273,6 +282,11 @@ acpi_ex_write_data_to_field(union acpi_operand_object *source_desc, length = ACPI_SMBUS_BUFFER_SIZE; function = ACPI_WRITE | (obj_desc->field.attribute << 16); + } else if (obj_desc->field.region_obj->region.space_id == + ACPI_ADR_SPACE_GSBUS) { + length = ACPI_GSBUS_BUFFER_SIZE; + function = + ACPI_WRITE | (obj_desc->field.attribute << 16); } else { /* IPMI */ length = ACPI_IPMI_BUFFER_SIZE; @@ -281,7 +295,7 @@ acpi_ex_write_data_to_field(union acpi_operand_object *source_desc, if (source_desc->buffer.length < length) { ACPI_ERROR((AE_INFO, - "SMBus or IPMI write requires Buffer of length %u, found length %u", + "SMBus/IPMI/GenericSerialBus write requires Buffer of length %u, found length %u", length, source_desc->buffer.length)); return_ACPI_STATUS(AE_AML_BUFFER_LIMIT); diff --git a/drivers/acpi/acpica/exfldio.c b/drivers/acpi/acpica/exfldio.c index f915a7f3f921..149de45fdadd 100644 --- a/drivers/acpi/acpica/exfldio.c +++ b/drivers/acpi/acpica/exfldio.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -86,6 +86,7 @@ acpi_ex_setup_region(union acpi_operand_object *obj_desc, { acpi_status status = AE_OK; union acpi_operand_object *rgn_desc; + u8 space_id; ACPI_FUNCTION_TRACE_U32(ex_setup_region, field_datum_byte_offset); @@ -101,6 +102,17 @@ acpi_ex_setup_region(union acpi_operand_object *obj_desc, return_ACPI_STATUS(AE_AML_OPERAND_TYPE); } + space_id = rgn_desc->region.space_id; + + /* Validate the Space ID */ + + if (!acpi_is_valid_space_id(space_id)) { + ACPI_ERROR((AE_INFO, + "Invalid/unknown Address Space ID: 0x%2.2X", + space_id)); + return_ACPI_STATUS(AE_AML_INVALID_SPACE_ID); + } + /* * If the Region Address and Length have not been previously evaluated, * evaluate them now and save the results. @@ -119,11 +131,12 @@ acpi_ex_setup_region(union acpi_operand_object *obj_desc, } /* - * Exit now for SMBus or IPMI address space, it has a non-linear + * Exit now for SMBus, GSBus or IPMI address space, it has a non-linear * address space and the request cannot be directly validated */ - if (rgn_desc->region.space_id == ACPI_ADR_SPACE_SMBUS || - rgn_desc->region.space_id == ACPI_ADR_SPACE_IPMI) { + if (space_id == ACPI_ADR_SPACE_SMBUS || + space_id == ACPI_ADR_SPACE_GSBUS || + space_id == ACPI_ADR_SPACE_IPMI) { /* SMBus or IPMI has a non-linear address space */ @@ -271,11 +284,12 @@ acpi_ex_access_region(union acpi_operand_object *obj_desc, /* Invoke the appropriate address_space/op_region handler */ - status = - acpi_ev_address_space_dispatch(rgn_desc, function, region_offset, - ACPI_MUL_8(obj_desc->common_field. - access_byte_width), - value); + status = acpi_ev_address_space_dispatch(rgn_desc, obj_desc, + function, region_offset, + ACPI_MUL_8(obj_desc-> + common_field. + access_byte_width), + value); if (ACPI_FAILURE(status)) { if (status == AE_NOT_IMPLEMENTED) { @@ -316,6 +330,7 @@ acpi_ex_access_region(union acpi_operand_object *obj_desc, static u8 acpi_ex_register_overflow(union acpi_operand_object *obj_desc, u64 value) { + ACPI_FUNCTION_NAME(ex_register_overflow); if (obj_desc->common_field.bit_length >= ACPI_INTEGER_BIT_SIZE) { /* @@ -330,6 +345,11 @@ acpi_ex_register_overflow(union acpi_operand_object *obj_desc, u64 value) * The Value is larger than the maximum value that can fit into * the register. */ + ACPI_ERROR((AE_INFO, + "Index value 0x%8.8X%8.8X overflows field width 0x%X", + ACPI_FORMAT_UINT64(value), + obj_desc->common_field.bit_length)); + return (TRUE); } diff --git a/drivers/acpi/acpica/exmisc.c b/drivers/acpi/acpica/exmisc.c index 703d88ed0b3d..0a0893310348 100644 --- a/drivers/acpi/acpica/exmisc.c +++ b/drivers/acpi/acpica/exmisc.c @@ -6,7 +6,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/acpica/exmutex.c b/drivers/acpi/acpica/exmutex.c index be1c56ead653..60933e9dc3c0 100644 --- a/drivers/acpi/acpica/exmutex.c +++ b/drivers/acpi/acpica/exmutex.c @@ -6,7 +6,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/acpica/exnames.c b/drivers/acpi/acpica/exnames.c index 49ec049c157e..fcc75fa27d32 100644 --- a/drivers/acpi/acpica/exnames.c +++ b/drivers/acpi/acpica/exnames.c @@ -6,7 +6,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/acpica/exoparg1.c b/drivers/acpi/acpica/exoparg1.c index 236ead14b7f7..9ba8c73cea16 100644 --- a/drivers/acpi/acpica/exoparg1.c +++ b/drivers/acpi/acpica/exoparg1.c @@ -6,7 +6,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/acpica/exoparg2.c b/drivers/acpi/acpica/exoparg2.c index 2571b4a310f4..879e8a277b94 100644 --- a/drivers/acpi/acpica/exoparg2.c +++ b/drivers/acpi/acpica/exoparg2.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/acpica/exoparg3.c b/drivers/acpi/acpica/exoparg3.c index 1b48d9d28c9a..71fcc65c9ffa 100644 --- a/drivers/acpi/acpica/exoparg3.c +++ b/drivers/acpi/acpica/exoparg3.c @@ -6,7 +6,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/acpica/exoparg6.c b/drivers/acpi/acpica/exoparg6.c index f4a2787e8e92..0786b8659061 100644 --- a/drivers/acpi/acpica/exoparg6.c +++ b/drivers/acpi/acpica/exoparg6.c @@ -6,7 +6,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/acpica/exprep.c b/drivers/acpi/acpica/exprep.c index cc95e2000406..30157f5a12d7 100644 --- a/drivers/acpi/acpica/exprep.c +++ b/drivers/acpi/acpica/exprep.c @@ -6,7 +6,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -47,6 +47,7 @@ #include "acinterp.h" #include "amlcode.h" #include "acnamesp.h" +#include "acdispat.h" #define _COMPONENT ACPI_EXECUTER ACPI_MODULE_NAME("exprep") @@ -455,6 +456,30 @@ acpi_status acpi_ex_prep_field_value(struct acpi_create_field_info *info) obj_desc->field.region_obj = acpi_ns_get_attached_object(info->region_node); + /* Fields specific to generic_serial_bus fields */ + + obj_desc->field.access_length = info->access_length; + + if (info->connection_node) { + second_desc = info->connection_node->object; + if (!(second_desc->common.flags & AOPOBJ_DATA_VALID)) { + status = + acpi_ds_get_buffer_arguments(second_desc); + if (ACPI_FAILURE(status)) { + acpi_ut_delete_object_desc(obj_desc); + return_ACPI_STATUS(status); + } + } + + obj_desc->field.resource_buffer = + second_desc->buffer.pointer; + obj_desc->field.resource_length = + (u16)second_desc->buffer.length; + } else if (info->resource_buffer) { + obj_desc->field.resource_buffer = info->resource_buffer; + obj_desc->field.resource_length = info->resource_length; + } + /* Allow full data read from EC address space */ if ((obj_desc->field.region_obj->region.space_id == diff --git a/drivers/acpi/acpica/exregion.c b/drivers/acpi/acpica/exregion.c index f0d5e14f1f2c..12d51df6d3bf 100644 --- a/drivers/acpi/acpica/exregion.c +++ b/drivers/acpi/acpica/exregion.c @@ -6,7 +6,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/acpica/exresnte.c b/drivers/acpi/acpica/exresnte.c index 55997e46948b..fa50e77e64a8 100644 --- a/drivers/acpi/acpica/exresnte.c +++ b/drivers/acpi/acpica/exresnte.c @@ -6,7 +6,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/acpica/exresolv.c b/drivers/acpi/acpica/exresolv.c index db502cd7d934..6e335dc34528 100644 --- a/drivers/acpi/acpica/exresolv.c +++ b/drivers/acpi/acpica/exresolv.c @@ -6,7 +6,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/acpica/exresop.c b/drivers/acpi/acpica/exresop.c index e3bb00ccdff5..a67b1d925ddd 100644 --- a/drivers/acpi/acpica/exresop.c +++ b/drivers/acpi/acpica/exresop.c @@ -6,7 +6,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/acpica/exstore.c b/drivers/acpi/acpica/exstore.c index c0c8842dd344..c6cf843cc4c9 100644 --- a/drivers/acpi/acpica/exstore.c +++ b/drivers/acpi/acpica/exstore.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/acpica/exstoren.c b/drivers/acpi/acpica/exstoren.c index a979017d56b8..b35bed52e061 100644 --- a/drivers/acpi/acpica/exstoren.c +++ b/drivers/acpi/acpica/exstoren.c @@ -7,7 +7,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/acpica/exstorob.c b/drivers/acpi/acpica/exstorob.c index dc665cc554de..65a45d8335c8 100644 --- a/drivers/acpi/acpica/exstorob.c +++ b/drivers/acpi/acpica/exstorob.c @@ -6,7 +6,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/acpica/exsystem.c b/drivers/acpi/acpica/exsystem.c index df66e7b686be..191a12945226 100644 --- a/drivers/acpi/acpica/exsystem.c +++ b/drivers/acpi/acpica/exsystem.c @@ -6,7 +6,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/acpica/exutils.c b/drivers/acpi/acpica/exutils.c index 8ad93146dd32..eb6798ba8b59 100644 --- a/drivers/acpi/acpica/exutils.c +++ b/drivers/acpi/acpica/exutils.c @@ -6,7 +6,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -435,4 +435,29 @@ void acpi_ex_integer_to_string(char *out_string, u64 value) } } +/******************************************************************************* + * + * FUNCTION: acpi_is_valid_space_id + * + * PARAMETERS: space_id - ID to be validated + * + * RETURN: TRUE if valid/supported ID. + * + * DESCRIPTION: Validate an operation region space_iD. + * + ******************************************************************************/ + +u8 acpi_is_valid_space_id(u8 space_id) +{ + + if ((space_id >= ACPI_NUM_PREDEFINED_REGIONS) && + (space_id < ACPI_USER_REGION_BEGIN) && + (space_id != ACPI_ADR_SPACE_DATA_TABLE) && + (space_id != ACPI_ADR_SPACE_FIXED_HARDWARE)) { + return (FALSE); + } + + return (TRUE); +} + #endif diff --git a/drivers/acpi/acpica/hwacpi.c b/drivers/acpi/acpica/hwacpi.c index fc380d3d45ab..d0b9ed5df97e 100644 --- a/drivers/acpi/acpica/hwacpi.c +++ b/drivers/acpi/acpica/hwacpi.c @@ -6,7 +6,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -48,6 +48,7 @@ #define _COMPONENT ACPI_HARDWARE ACPI_MODULE_NAME("hwacpi") +#if (!ACPI_REDUCED_HARDWARE) /* Entire module */ /****************************************************************************** * * FUNCTION: acpi_hw_set_mode @@ -166,3 +167,5 @@ u32 acpi_hw_get_mode(void) return_UINT32(ACPI_SYS_MODE_LEGACY); } } + +#endif /* !ACPI_REDUCED_HARDWARE */ diff --git a/drivers/acpi/acpica/hwesleep.c b/drivers/acpi/acpica/hwesleep.c new file mode 100644 index 000000000000..29e859293edd --- /dev/null +++ b/drivers/acpi/acpica/hwesleep.c @@ -0,0 +1,247 @@ +/****************************************************************************** + * + * Name: hwesleep.c - ACPI Hardware Sleep/Wake Support functions for the + * extended FADT-V5 sleep registers. + * + *****************************************************************************/ + +/* + * Copyright (C) 2000 - 2012, Intel Corp. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions, and the following disclaimer, + * without modification. + * 2. Redistributions in binary form must reproduce at minimum a disclaimer + * substantially similar to the "NO WARRANTY" disclaimer below + * ("Disclaimer") and any redistribution must be conditioned upon + * including a substantially similar Disclaimer requirement for further + * binary redistribution. + * 3. Neither the names of the above-listed copyright holders nor the names + * of any contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * Alternatively, this software may be distributed under the terms of the + * GNU General Public License ("GPL") version 2 as published by the Free + * Software Foundation. + * + * NO WARRANTY + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING + * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGES. + */ + +#include <acpi/acpi.h> +#include "accommon.h" + +#define _COMPONENT ACPI_HARDWARE +ACPI_MODULE_NAME("hwesleep") + +/******************************************************************************* + * + * FUNCTION: acpi_hw_execute_sleep_method + * + * PARAMETERS: method_pathname - Pathname of method to execute + * integer_argument - Argument to pass to the method + * + * RETURN: None + * + * DESCRIPTION: Execute a sleep/wake related method with one integer argument + * and no return value. + * + ******************************************************************************/ +void acpi_hw_execute_sleep_method(char *method_pathname, u32 integer_argument) +{ + struct acpi_object_list arg_list; + union acpi_object arg; + acpi_status status; + + ACPI_FUNCTION_TRACE(hw_execute_sleep_method); + + /* One argument, integer_argument; No return value expected */ + + arg_list.count = 1; + arg_list.pointer = &arg; + arg.type = ACPI_TYPE_INTEGER; + arg.integer.value = (u64)integer_argument; + + status = acpi_evaluate_object(NULL, method_pathname, &arg_list, NULL); + if (ACPI_FAILURE(status) && status != AE_NOT_FOUND) { + ACPI_EXCEPTION((AE_INFO, status, "While executing method %s", + method_pathname)); + } + + return_VOID; +} + +/******************************************************************************* + * + * FUNCTION: acpi_hw_extended_sleep + * + * PARAMETERS: sleep_state - Which sleep state to enter + * Flags - ACPI_EXECUTE_GTS to run optional method + * + * RETURN: Status + * + * DESCRIPTION: Enter a system sleep state via the extended FADT sleep + * registers (V5 FADT). + * THIS FUNCTION MUST BE CALLED WITH INTERRUPTS DISABLED + * + ******************************************************************************/ + +acpi_status acpi_hw_extended_sleep(u8 sleep_state, u8 flags) +{ + acpi_status status; + u8 sleep_type_value; + u64 sleep_status; + + ACPI_FUNCTION_TRACE(hw_extended_sleep); + + /* Extended sleep registers must be valid */ + + if (!acpi_gbl_FADT.sleep_control.address || + !acpi_gbl_FADT.sleep_status.address) { + return_ACPI_STATUS(AE_NOT_EXIST); + } + + /* Clear wake status (WAK_STS) */ + + status = acpi_write(ACPI_X_WAKE_STATUS, &acpi_gbl_FADT.sleep_status); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); + } + + acpi_gbl_system_awake_and_running = FALSE; + + /* Optionally execute _GTS (Going To Sleep) */ + + if (flags & ACPI_EXECUTE_GTS) { + acpi_hw_execute_sleep_method(METHOD_PATHNAME__GTS, sleep_state); + } + + /* Flush caches, as per ACPI specification */ + + ACPI_FLUSH_CPU_CACHE(); + + /* + * Set the SLP_TYP and SLP_EN bits. + * + * Note: We only use the first value returned by the \_Sx method + * (acpi_gbl_sleep_type_a) - As per ACPI specification. + */ + ACPI_DEBUG_PRINT((ACPI_DB_INIT, + "Entering sleep state [S%u]\n", sleep_state)); + + sleep_type_value = + ((acpi_gbl_sleep_type_a << ACPI_X_SLEEP_TYPE_POSITION) & + ACPI_X_SLEEP_TYPE_MASK); + + status = acpi_write((sleep_type_value | ACPI_X_SLEEP_ENABLE), + &acpi_gbl_FADT.sleep_control); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); + } + + /* Wait for transition back to Working State */ + + do { + status = acpi_read(&sleep_status, &acpi_gbl_FADT.sleep_status); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); + } + + } while (!(((u8)sleep_status) & ACPI_X_WAKE_STATUS)); + + return_ACPI_STATUS(AE_OK); +} + +/******************************************************************************* + * + * FUNCTION: acpi_hw_extended_wake_prep + * + * PARAMETERS: sleep_state - Which sleep state we just exited + * Flags - ACPI_EXECUTE_BFS to run optional method + * + * RETURN: Status + * + * DESCRIPTION: Perform first part of OS-independent ACPI cleanup after + * a sleep. Called with interrupts ENABLED. + * + ******************************************************************************/ + +acpi_status acpi_hw_extended_wake_prep(u8 sleep_state, u8 flags) +{ + acpi_status status; + u8 sleep_type_value; + + ACPI_FUNCTION_TRACE(hw_extended_wake_prep); + + status = acpi_get_sleep_type_data(ACPI_STATE_S0, + &acpi_gbl_sleep_type_a, + &acpi_gbl_sleep_type_b); + if (ACPI_SUCCESS(status)) { + sleep_type_value = + ((acpi_gbl_sleep_type_a << ACPI_X_SLEEP_TYPE_POSITION) & + ACPI_X_SLEEP_TYPE_MASK); + + (void)acpi_write((sleep_type_value | ACPI_X_SLEEP_ENABLE), + &acpi_gbl_FADT.sleep_control); + } + + /* Optionally execute _BFS (Back From Sleep) */ + + if (flags & ACPI_EXECUTE_BFS) { + acpi_hw_execute_sleep_method(METHOD_PATHNAME__BFS, sleep_state); + } + return_ACPI_STATUS(AE_OK); +} + +/******************************************************************************* + * + * FUNCTION: acpi_hw_extended_wake + * + * PARAMETERS: sleep_state - Which sleep state we just exited + * Flags - Reserved, set to zero + * + * RETURN: Status + * + * DESCRIPTION: Perform OS-independent ACPI cleanup after a sleep + * Called with interrupts ENABLED. + * + ******************************************************************************/ + +acpi_status acpi_hw_extended_wake(u8 sleep_state, u8 flags) +{ + ACPI_FUNCTION_TRACE(hw_extended_wake); + + /* Ensure enter_sleep_state_prep -> enter_sleep_state ordering */ + + acpi_gbl_sleep_type_a = ACPI_SLEEP_TYPE_INVALID; + + /* Execute the wake methods */ + + acpi_hw_execute_sleep_method(METHOD_PATHNAME__SST, ACPI_SST_WAKING); + acpi_hw_execute_sleep_method(METHOD_PATHNAME__WAK, sleep_state); + + /* + * Some BIOS code assumes that WAK_STS will be cleared on resume + * and use it to determine whether the system is rebooting or + * resuming. Clear WAK_STS for compatibility. + */ + (void)acpi_write(ACPI_X_WAKE_STATUS, &acpi_gbl_FADT.sleep_status); + acpi_gbl_system_awake_and_running = TRUE; + + acpi_hw_execute_sleep_method(METHOD_PATHNAME__SST, ACPI_SST_WORKING); + return_ACPI_STATUS(AE_OK); +} diff --git a/drivers/acpi/acpica/hwgpe.c b/drivers/acpi/acpica/hwgpe.c index f610d88a66be..25bd28c4ae8d 100644 --- a/drivers/acpi/acpica/hwgpe.c +++ b/drivers/acpi/acpica/hwgpe.c @@ -6,7 +6,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -48,7 +48,7 @@ #define _COMPONENT ACPI_HARDWARE ACPI_MODULE_NAME("hwgpe") - +#if (!ACPI_REDUCED_HARDWARE) /* Entire module */ /* Local prototypes */ static acpi_status acpi_hw_enable_wakeup_gpe_block(struct acpi_gpe_xrupt_info *gpe_xrupt_info, @@ -479,3 +479,5 @@ acpi_status acpi_hw_enable_all_wakeup_gpes(void) status = acpi_ev_walk_gpe_list(acpi_hw_enable_wakeup_gpe_block, NULL); return_ACPI_STATUS(status); } + +#endif /* !ACPI_REDUCED_HARDWARE */ diff --git a/drivers/acpi/acpica/hwpci.c b/drivers/acpi/acpica/hwpci.c index 050fd227951b..1455ddcdc32c 100644 --- a/drivers/acpi/acpica/hwpci.c +++ b/drivers/acpi/acpica/hwpci.c @@ -5,7 +5,7 @@ ******************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/acpica/hwregs.c b/drivers/acpi/acpica/hwregs.c index cc70f3fdcdd1..6b6c83b87b52 100644 --- a/drivers/acpi/acpica/hwregs.c +++ b/drivers/acpi/acpica/hwregs.c @@ -7,7 +7,7 @@ ******************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -51,6 +51,7 @@ #define _COMPONENT ACPI_HARDWARE ACPI_MODULE_NAME("hwregs") +#if (!ACPI_REDUCED_HARDWARE) /* Local Prototypes */ static acpi_status acpi_hw_read_multiple(u32 *value, @@ -62,6 +63,8 @@ acpi_hw_write_multiple(u32 value, struct acpi_generic_address *register_a, struct acpi_generic_address *register_b); +#endif /* !ACPI_REDUCED_HARDWARE */ + /****************************************************************************** * * FUNCTION: acpi_hw_validate_register @@ -154,6 +157,7 @@ acpi_hw_validate_register(struct acpi_generic_address *reg, acpi_status acpi_hw_read(u32 *value, struct acpi_generic_address *reg) { u64 address; + u64 value64; acpi_status status; ACPI_FUNCTION_NAME(hw_read); @@ -175,7 +179,9 @@ acpi_status acpi_hw_read(u32 *value, struct acpi_generic_address *reg) */ if (reg->space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY) { status = acpi_os_read_memory((acpi_physical_address) - address, value, reg->bit_width); + address, &value64, reg->bit_width); + + *value = (u32)value64; } else { /* ACPI_ADR_SPACE_SYSTEM_IO, validated earlier */ status = acpi_hw_read_port((acpi_io_address) @@ -225,7 +231,8 @@ acpi_status acpi_hw_write(u32 value, struct acpi_generic_address *reg) */ if (reg->space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY) { status = acpi_os_write_memory((acpi_physical_address) - address, value, reg->bit_width); + address, (u64)value, + reg->bit_width); } else { /* ACPI_ADR_SPACE_SYSTEM_IO, validated earlier */ status = acpi_hw_write_port((acpi_io_address) @@ -240,6 +247,7 @@ acpi_status acpi_hw_write(u32 value, struct acpi_generic_address *reg) return (status); } +#if (!ACPI_REDUCED_HARDWARE) /******************************************************************************* * * FUNCTION: acpi_hw_clear_acpi_status @@ -285,7 +293,7 @@ exit: /******************************************************************************* * - * FUNCTION: acpi_hw_get_register_bit_mask + * FUNCTION: acpi_hw_get_bit_register_info * * PARAMETERS: register_id - Index of ACPI Register to access * @@ -658,3 +666,5 @@ acpi_hw_write_multiple(u32 value, return (status); } + +#endif /* !ACPI_REDUCED_HARDWARE */ diff --git a/drivers/acpi/acpica/hwsleep.c b/drivers/acpi/acpica/hwsleep.c index d52da3073650..0ed85cac3231 100644 --- a/drivers/acpi/acpica/hwsleep.c +++ b/drivers/acpi/acpica/hwsleep.c @@ -1,12 +1,12 @@ - /****************************************************************************** * - * Name: hwsleep.c - ACPI Hardware Sleep/Wake Interface + * Name: hwsleep.c - ACPI Hardware Sleep/Wake Support functions for the + * original/legacy sleep/PM registers. * *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -43,213 +43,37 @@ */ #include <acpi/acpi.h> +#include <linux/acpi.h> #include "accommon.h" -#include "actables.h" -#include <linux/tboot.h> #include <linux/module.h> #define _COMPONENT ACPI_HARDWARE ACPI_MODULE_NAME("hwsleep") +#if (!ACPI_REDUCED_HARDWARE) /* Entire module */ /******************************************************************************* * - * FUNCTION: acpi_set_firmware_waking_vector - * - * PARAMETERS: physical_address - 32-bit physical address of ACPI real mode - * entry point. - * - * RETURN: Status - * - * DESCRIPTION: Sets the 32-bit firmware_waking_vector field of the FACS - * - ******************************************************************************/ -acpi_status -acpi_set_firmware_waking_vector(u32 physical_address) -{ - ACPI_FUNCTION_TRACE(acpi_set_firmware_waking_vector); - - - /* - * According to the ACPI specification 2.0c and later, the 64-bit - * waking vector should be cleared and the 32-bit waking vector should - * be used, unless we want the wake-up code to be called by the BIOS in - * Protected Mode. Some systems (for example HP dv5-1004nr) are known - * to fail to resume if the 64-bit vector is used. - */ - - /* Set the 32-bit vector */ - - acpi_gbl_FACS->firmware_waking_vector = physical_address; - - /* Clear the 64-bit vector if it exists */ - - if ((acpi_gbl_FACS->length > 32) && (acpi_gbl_FACS->version >= 1)) { - acpi_gbl_FACS->xfirmware_waking_vector = 0; - } - - return_ACPI_STATUS(AE_OK); -} - -ACPI_EXPORT_SYMBOL(acpi_set_firmware_waking_vector) - -#if ACPI_MACHINE_WIDTH == 64 -/******************************************************************************* - * - * FUNCTION: acpi_set_firmware_waking_vector64 - * - * PARAMETERS: physical_address - 64-bit physical address of ACPI protected - * mode entry point. - * - * RETURN: Status - * - * DESCRIPTION: Sets the 64-bit X_firmware_waking_vector field of the FACS, if - * it exists in the table. This function is intended for use with - * 64-bit host operating systems. - * - ******************************************************************************/ -acpi_status -acpi_set_firmware_waking_vector64(u64 physical_address) -{ - ACPI_FUNCTION_TRACE(acpi_set_firmware_waking_vector64); - - - /* Determine if the 64-bit vector actually exists */ - - if ((acpi_gbl_FACS->length <= 32) || (acpi_gbl_FACS->version < 1)) { - return_ACPI_STATUS(AE_NOT_EXIST); - } - - /* Clear 32-bit vector, set the 64-bit X_ vector */ - - acpi_gbl_FACS->firmware_waking_vector = 0; - acpi_gbl_FACS->xfirmware_waking_vector = physical_address; - - return_ACPI_STATUS(AE_OK); -} - -ACPI_EXPORT_SYMBOL(acpi_set_firmware_waking_vector64) -#endif - -/******************************************************************************* - * - * FUNCTION: acpi_enter_sleep_state_prep - * - * PARAMETERS: sleep_state - Which sleep state to enter - * - * RETURN: Status - * - * DESCRIPTION: Prepare to enter a system sleep state (see ACPI 2.0 spec p 231) - * This function must execute with interrupts enabled. - * We break sleeping into 2 stages so that OSPM can handle - * various OS-specific tasks between the two steps. - * - ******************************************************************************/ -acpi_status acpi_enter_sleep_state_prep(u8 sleep_state) -{ - acpi_status status; - struct acpi_object_list arg_list; - union acpi_object arg; - - ACPI_FUNCTION_TRACE(acpi_enter_sleep_state_prep); - - /* _PSW methods could be run here to enable wake-on keyboard, LAN, etc. */ - - status = acpi_get_sleep_type_data(sleep_state, - &acpi_gbl_sleep_type_a, - &acpi_gbl_sleep_type_b); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - - /* Setup parameter object */ - - arg_list.count = 1; - arg_list.pointer = &arg; - - arg.type = ACPI_TYPE_INTEGER; - arg.integer.value = sleep_state; - - /* Run the _PTS method */ - - status = acpi_evaluate_object(NULL, METHOD_NAME__PTS, &arg_list, NULL); - if (ACPI_FAILURE(status) && status != AE_NOT_FOUND) { - return_ACPI_STATUS(status); - } - - /* Setup the argument to _SST */ - - switch (sleep_state) { - case ACPI_STATE_S0: - arg.integer.value = ACPI_SST_WORKING; - break; - - case ACPI_STATE_S1: - case ACPI_STATE_S2: - case ACPI_STATE_S3: - arg.integer.value = ACPI_SST_SLEEPING; - break; - - case ACPI_STATE_S4: - arg.integer.value = ACPI_SST_SLEEP_CONTEXT; - break; - - default: - arg.integer.value = ACPI_SST_INDICATOR_OFF; /* Default is off */ - break; - } - - /* - * Set the system indicators to show the desired sleep state. - * _SST is an optional method (return no error if not found) - */ - status = acpi_evaluate_object(NULL, METHOD_NAME__SST, &arg_list, NULL); - if (ACPI_FAILURE(status) && status != AE_NOT_FOUND) { - ACPI_EXCEPTION((AE_INFO, status, - "While executing method _SST")); - } - - return_ACPI_STATUS(AE_OK); -} - -ACPI_EXPORT_SYMBOL(acpi_enter_sleep_state_prep) - -static unsigned int gts, bfs; -module_param(gts, uint, 0644); -module_param(bfs, uint, 0644); -MODULE_PARM_DESC(gts, "Enable evaluation of _GTS on suspend."); -MODULE_PARM_DESC(bfs, "Enable evaluation of _BFS on resume".); - -/******************************************************************************* - * - * FUNCTION: acpi_enter_sleep_state + * FUNCTION: acpi_hw_legacy_sleep * * PARAMETERS: sleep_state - Which sleep state to enter + * Flags - ACPI_EXECUTE_GTS to run optional method * * RETURN: Status * - * DESCRIPTION: Enter a system sleep state (see ACPI 2.0 spec p 231) + * DESCRIPTION: Enter a system sleep state via the legacy FADT PM registers * THIS FUNCTION MUST BE CALLED WITH INTERRUPTS DISABLED * ******************************************************************************/ -acpi_status asmlinkage acpi_enter_sleep_state(u8 sleep_state) +acpi_status acpi_hw_legacy_sleep(u8 sleep_state, u8 flags) { - u32 pm1a_control; - u32 pm1b_control; struct acpi_bit_register_info *sleep_type_reg_info; struct acpi_bit_register_info *sleep_enable_reg_info; + u32 pm1a_control; + u32 pm1b_control; u32 in_value; - struct acpi_object_list arg_list; - union acpi_object arg; acpi_status status; - ACPI_FUNCTION_TRACE(acpi_enter_sleep_state); - - if ((acpi_gbl_sleep_type_a > ACPI_SLEEP_TYPE_MAX) || - (acpi_gbl_sleep_type_b > ACPI_SLEEP_TYPE_MAX)) { - ACPI_ERROR((AE_INFO, "Sleep values out of range: A=0x%X B=0x%X", - acpi_gbl_sleep_type_a, acpi_gbl_sleep_type_b)); - return_ACPI_STATUS(AE_AML_OPERAND_VALUE); - } + ACPI_FUNCTION_TRACE(hw_legacy_sleep); sleep_type_reg_info = acpi_hw_get_bit_register_info(ACPI_BITREG_SLEEP_TYPE); @@ -271,6 +95,18 @@ acpi_status asmlinkage acpi_enter_sleep_state(u8 sleep_state) return_ACPI_STATUS(status); } + if (sleep_state != ACPI_STATE_S5) { + /* + * Disable BM arbitration. This feature is contained within an + * optional register (PM2 Control), so ignore a BAD_ADDRESS + * exception. + */ + status = acpi_write_bit_register(ACPI_BITREG_ARB_DISABLE, 1); + if (ACPI_FAILURE(status) && (status != AE_BAD_ADDRESS)) { + return_ACPI_STATUS(status); + } + } + /* * 1) Disable/Clear all GPEs * 2) Enable all wakeup GPEs @@ -286,18 +122,10 @@ acpi_status asmlinkage acpi_enter_sleep_state(u8 sleep_state) return_ACPI_STATUS(status); } - if (gts) { - /* Execute the _GTS method */ - - arg_list.count = 1; - arg_list.pointer = &arg; - arg.type = ACPI_TYPE_INTEGER; - arg.integer.value = sleep_state; + /* Optionally execute _GTS (Going To Sleep) */ - status = acpi_evaluate_object(NULL, METHOD_NAME__GTS, &arg_list, NULL); - if (ACPI_FAILURE(status) && status != AE_NOT_FOUND) { - return_ACPI_STATUS(status); - } + if (flags & ACPI_EXECUTE_GTS) { + acpi_hw_execute_sleep_method(METHOD_PATHNAME__GTS, sleep_state); } /* Get current value of PM1A control */ @@ -344,8 +172,12 @@ acpi_status asmlinkage acpi_enter_sleep_state(u8 sleep_state) ACPI_FLUSH_CPU_CACHE(); - tboot_sleep(sleep_state, pm1a_control, pm1b_control); - + status = acpi_os_prepare_sleep(sleep_state, pm1a_control, + pm1b_control); + if (ACPI_SKIP(status)) + return_ACPI_STATUS(AE_OK); + if (ACPI_FAILURE(status)) + return_ACPI_STATUS(status); /* Write #2: Write both SLP_TYP + SLP_EN */ status = acpi_hw_write_pm1_control(pm1a_control, pm1b_control); @@ -375,114 +207,44 @@ acpi_status asmlinkage acpi_enter_sleep_state(u8 sleep_state) } } - /* Wait until we enter sleep state */ - - do { - status = acpi_read_bit_register(ACPI_BITREG_WAKE_STATUS, - &in_value); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - - /* Spin until we wake */ - - } while (!in_value); - - return_ACPI_STATUS(AE_OK); -} - -ACPI_EXPORT_SYMBOL(acpi_enter_sleep_state) - -/******************************************************************************* - * - * FUNCTION: acpi_enter_sleep_state_s4bios - * - * PARAMETERS: None - * - * RETURN: Status - * - * DESCRIPTION: Perform a S4 bios request. - * THIS FUNCTION MUST BE CALLED WITH INTERRUPTS DISABLED - * - ******************************************************************************/ -acpi_status asmlinkage acpi_enter_sleep_state_s4bios(void) -{ - u32 in_value; - acpi_status status; - - ACPI_FUNCTION_TRACE(acpi_enter_sleep_state_s4bios); - - /* Clear the wake status bit (PM1) */ - - status = - acpi_write_bit_register(ACPI_BITREG_WAKE_STATUS, ACPI_CLEAR_STATUS); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - - status = acpi_hw_clear_acpi_status(); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - - /* - * 1) Disable/Clear all GPEs - * 2) Enable all wakeup GPEs - */ - status = acpi_hw_disable_all_gpes(); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - acpi_gbl_system_awake_and_running = FALSE; - - status = acpi_hw_enable_all_wakeup_gpes(); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - - ACPI_FLUSH_CPU_CACHE(); - - status = acpi_hw_write_port(acpi_gbl_FADT.smi_command, - (u32) acpi_gbl_FADT.S4bios_request, 8); + /* Wait for transition back to Working State */ do { - acpi_os_stall(1000); status = acpi_read_bit_register(ACPI_BITREG_WAKE_STATUS, &in_value); if (ACPI_FAILURE(status)) { return_ACPI_STATUS(status); } + } while (!in_value); return_ACPI_STATUS(AE_OK); } -ACPI_EXPORT_SYMBOL(acpi_enter_sleep_state_s4bios) - /******************************************************************************* * - * FUNCTION: acpi_leave_sleep_state_prep + * FUNCTION: acpi_hw_legacy_wake_prep * - * PARAMETERS: sleep_state - Which sleep state we are exiting + * PARAMETERS: sleep_state - Which sleep state we just exited + * Flags - ACPI_EXECUTE_BFS to run optional method * * RETURN: Status * * DESCRIPTION: Perform the first state of OS-independent ACPI cleanup after a * sleep. - * Called with interrupts DISABLED. + * Called with interrupts ENABLED. * ******************************************************************************/ -acpi_status acpi_leave_sleep_state_prep(u8 sleep_state) + +acpi_status acpi_hw_legacy_wake_prep(u8 sleep_state, u8 flags) { - struct acpi_object_list arg_list; - union acpi_object arg; acpi_status status; struct acpi_bit_register_info *sleep_type_reg_info; struct acpi_bit_register_info *sleep_enable_reg_info; u32 pm1a_control; u32 pm1b_control; - ACPI_FUNCTION_TRACE(acpi_leave_sleep_state_prep); + ACPI_FUNCTION_TRACE(hw_legacy_wake_prep); /* * Set SLP_TYPE and SLP_EN to state S0. @@ -525,27 +287,20 @@ acpi_status acpi_leave_sleep_state_prep(u8 sleep_state) } } - if (bfs) { - /* Execute the _BFS method */ + /* Optionally execute _BFS (Back From Sleep) */ - arg_list.count = 1; - arg_list.pointer = &arg; - arg.type = ACPI_TYPE_INTEGER; - arg.integer.value = sleep_state; - - status = acpi_evaluate_object(NULL, METHOD_NAME__BFS, &arg_list, NULL); - if (ACPI_FAILURE(status) && status != AE_NOT_FOUND) { - ACPI_EXCEPTION((AE_INFO, status, "During Method _BFS")); - } + if (flags & ACPI_EXECUTE_BFS) { + acpi_hw_execute_sleep_method(METHOD_PATHNAME__BFS, sleep_state); } return_ACPI_STATUS(status); } /******************************************************************************* * - * FUNCTION: acpi_leave_sleep_state + * FUNCTION: acpi_hw_legacy_wake * * PARAMETERS: sleep_state - Which sleep state we just exited + * Flags - Reserved, set to zero * * RETURN: Status * @@ -553,31 +308,17 @@ acpi_status acpi_leave_sleep_state_prep(u8 sleep_state) * Called with interrupts ENABLED. * ******************************************************************************/ -acpi_status acpi_leave_sleep_state(u8 sleep_state) + +acpi_status acpi_hw_legacy_wake(u8 sleep_state, u8 flags) { - struct acpi_object_list arg_list; - union acpi_object arg; acpi_status status; - ACPI_FUNCTION_TRACE(acpi_leave_sleep_state); + ACPI_FUNCTION_TRACE(hw_legacy_wake); /* Ensure enter_sleep_state_prep -> enter_sleep_state ordering */ acpi_gbl_sleep_type_a = ACPI_SLEEP_TYPE_INVALID; - - /* Setup parameter object */ - - arg_list.count = 1; - arg_list.pointer = &arg; - arg.type = ACPI_TYPE_INTEGER; - - /* Ignore any errors from these methods */ - - arg.integer.value = ACPI_SST_WAKING; - status = acpi_evaluate_object(NULL, METHOD_NAME__SST, &arg_list, NULL); - if (ACPI_FAILURE(status) && status != AE_NOT_FOUND) { - ACPI_EXCEPTION((AE_INFO, status, "During Method _SST")); - } + acpi_hw_execute_sleep_method(METHOD_PATHNAME__SST, ACPI_SST_WAKING); /* * GPEs must be enabled before _WAK is called as GPEs @@ -591,46 +332,50 @@ acpi_status acpi_leave_sleep_state(u8 sleep_state) if (ACPI_FAILURE(status)) { return_ACPI_STATUS(status); } + status = acpi_hw_enable_all_runtime_gpes(); if (ACPI_FAILURE(status)) { return_ACPI_STATUS(status); } - arg.integer.value = sleep_state; - status = acpi_evaluate_object(NULL, METHOD_NAME__WAK, &arg_list, NULL); - if (ACPI_FAILURE(status) && status != AE_NOT_FOUND) { - ACPI_EXCEPTION((AE_INFO, status, "During Method _WAK")); - } - /* TBD: _WAK "sometimes" returns stuff - do we want to look at it? */ + /* + * Now we can execute _WAK, etc. Some machines require that the GPEs + * are enabled before the wake methods are executed. + */ + acpi_hw_execute_sleep_method(METHOD_PATHNAME__WAK, sleep_state); /* - * Some BIOSes assume that WAK_STS will be cleared on resume and use - * it to determine whether the system is rebooting or resuming. Clear - * it for compatibility. + * Some BIOS code assumes that WAK_STS will be cleared on resume + * and use it to determine whether the system is rebooting or + * resuming. Clear WAK_STS for compatibility. */ acpi_write_bit_register(ACPI_BITREG_WAKE_STATUS, 1); - acpi_gbl_system_awake_and_running = TRUE; /* Enable power button */ (void) acpi_write_bit_register(acpi_gbl_fixed_event_info - [ACPI_EVENT_POWER_BUTTON]. - enable_register_id, ACPI_ENABLE_EVENT); + [ACPI_EVENT_POWER_BUTTON]. + enable_register_id, ACPI_ENABLE_EVENT); (void) acpi_write_bit_register(acpi_gbl_fixed_event_info - [ACPI_EVENT_POWER_BUTTON]. - status_register_id, ACPI_CLEAR_STATUS); + [ACPI_EVENT_POWER_BUTTON]. + status_register_id, ACPI_CLEAR_STATUS); - arg.integer.value = ACPI_SST_WORKING; - status = acpi_evaluate_object(NULL, METHOD_NAME__SST, &arg_list, NULL); - if (ACPI_FAILURE(status) && status != AE_NOT_FOUND) { - ACPI_EXCEPTION((AE_INFO, status, "During Method _SST")); + /* + * Enable BM arbitration. This feature is contained within an + * optional register (PM2 Control), so ignore a BAD_ADDRESS + * exception. + */ + status = acpi_write_bit_register(ACPI_BITREG_ARB_DISABLE, 0); + if (ACPI_FAILURE(status) && (status != AE_BAD_ADDRESS)) { + return_ACPI_STATUS(status); } + acpi_hw_execute_sleep_method(METHOD_PATHNAME__SST, ACPI_SST_WORKING); return_ACPI_STATUS(status); } -ACPI_EXPORT_SYMBOL(acpi_leave_sleep_state) +#endif /* !ACPI_REDUCED_HARDWARE */ diff --git a/drivers/acpi/acpica/hwtimer.c b/drivers/acpi/acpica/hwtimer.c index 50d21c40b5c1..f1b2c3b94cac 100644 --- a/drivers/acpi/acpica/hwtimer.c +++ b/drivers/acpi/acpica/hwtimer.c @@ -6,7 +6,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -49,6 +49,7 @@ #define _COMPONENT ACPI_HARDWARE ACPI_MODULE_NAME("hwtimer") +#if (!ACPI_REDUCED_HARDWARE) /* Entire module */ /****************************************************************************** * * FUNCTION: acpi_get_timer_resolution @@ -187,3 +188,4 @@ acpi_get_timer_duration(u32 start_ticks, u32 end_ticks, u32 * time_elapsed) } ACPI_EXPORT_SYMBOL(acpi_get_timer_duration) +#endif /* !ACPI_REDUCED_HARDWARE */ diff --git a/drivers/acpi/acpica/hwvalid.c b/drivers/acpi/acpica/hwvalid.c index 5f1605874655..6e5c43a60bb7 100644 --- a/drivers/acpi/acpica/hwvalid.c +++ b/drivers/acpi/acpica/hwvalid.c @@ -6,7 +6,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -134,6 +134,8 @@ acpi_hw_validate_io_request(acpi_io_address address, u32 bit_width) /* Supported widths are 8/16/32 */ if ((bit_width != 8) && (bit_width != 16) && (bit_width != 32)) { + ACPI_ERROR((AE_INFO, + "Bad BitWidth parameter: %8.8X", bit_width)); return AE_BAD_PARAMETER; } diff --git a/drivers/acpi/acpica/hwxface.c b/drivers/acpi/acpica/hwxface.c index d707756228c2..ab513a972c95 100644 --- a/drivers/acpi/acpica/hwxface.c +++ b/drivers/acpi/acpica/hwxface.c @@ -6,7 +6,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -74,8 +74,7 @@ acpi_status acpi_reset(void) /* Check if the reset register is supported */ - if (!(acpi_gbl_FADT.flags & ACPI_FADT_RESET_REGISTER) || - !reset_reg->address) { + if (!reset_reg->address) { return_ACPI_STATUS(AE_NOT_EXIST); } @@ -138,11 +137,6 @@ acpi_status acpi_read(u64 *return_value, struct acpi_generic_address *reg) return (status); } - width = reg->bit_width; - if (width == 64) { - width = 32; /* Break into two 32-bit transfers */ - } - /* Initialize entire 64-bit return value to zero */ *return_value = 0; @@ -154,24 +148,17 @@ acpi_status acpi_read(u64 *return_value, struct acpi_generic_address *reg) */ if (reg->space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY) { status = acpi_os_read_memory((acpi_physical_address) - address, &value, width); + address, return_value, + reg->bit_width); if (ACPI_FAILURE(status)) { return (status); } - *return_value = value; - - if (reg->bit_width == 64) { - - /* Read the top 32 bits */ + } else { /* ACPI_ADR_SPACE_SYSTEM_IO, validated earlier */ - status = acpi_os_read_memory((acpi_physical_address) - (address + 4), &value, 32); - if (ACPI_FAILURE(status)) { - return (status); - } - *return_value |= ((u64)value << 32); + width = reg->bit_width; + if (width == 64) { + width = 32; /* Break into two 32-bit transfers */ } - } else { /* ACPI_ADR_SPACE_SYSTEM_IO, validated earlier */ status = acpi_hw_read_port((acpi_io_address) address, &value, width); @@ -231,32 +218,22 @@ acpi_status acpi_write(u64 value, struct acpi_generic_address *reg) return (status); } - width = reg->bit_width; - if (width == 64) { - width = 32; /* Break into two 32-bit transfers */ - } - /* * Two address spaces supported: Memory or IO. PCI_Config is * not supported here because the GAS structure is insufficient */ if (reg->space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY) { status = acpi_os_write_memory((acpi_physical_address) - address, ACPI_LODWORD(value), - width); + address, value, reg->bit_width); if (ACPI_FAILURE(status)) { return (status); } + } else { /* ACPI_ADR_SPACE_SYSTEM_IO, validated earlier */ - if (reg->bit_width == 64) { - status = acpi_os_write_memory((acpi_physical_address) - (address + 4), - ACPI_HIDWORD(value), 32); - if (ACPI_FAILURE(status)) { - return (status); - } + width = reg->bit_width; + if (width == 64) { + width = 32; /* Break into two 32-bit transfers */ } - } else { /* ACPI_ADR_SPACE_SYSTEM_IO, validated earlier */ status = acpi_hw_write_port((acpi_io_address) address, ACPI_LODWORD(value), @@ -286,6 +263,7 @@ acpi_status acpi_write(u64 value, struct acpi_generic_address *reg) ACPI_EXPORT_SYMBOL(acpi_write) +#if (!ACPI_REDUCED_HARDWARE) /******************************************************************************* * * FUNCTION: acpi_read_bit_register @@ -453,7 +431,7 @@ unlock_and_exit: } ACPI_EXPORT_SYMBOL(acpi_write_bit_register) - +#endif /* !ACPI_REDUCED_HARDWARE */ /******************************************************************************* * * FUNCTION: acpi_get_sleep_type_data diff --git a/drivers/acpi/acpica/hwxfsleep.c b/drivers/acpi/acpica/hwxfsleep.c new file mode 100644 index 000000000000..762d059bb508 --- /dev/null +++ b/drivers/acpi/acpica/hwxfsleep.c @@ -0,0 +1,431 @@ +/****************************************************************************** + * + * Name: hwxfsleep.c - ACPI Hardware Sleep/Wake External Interfaces + * + *****************************************************************************/ + +/* + * Copyright (C) 2000 - 2012, Intel Corp. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions, and the following disclaimer, + * without modification. + * 2. Redistributions in binary form must reproduce at minimum a disclaimer + * substantially similar to the "NO WARRANTY" disclaimer below + * ("Disclaimer") and any redistribution must be conditioned upon + * including a substantially similar Disclaimer requirement for further + * binary redistribution. + * 3. Neither the names of the above-listed copyright holders nor the names + * of any contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * Alternatively, this software may be distributed under the terms of the + * GNU General Public License ("GPL") version 2 as published by the Free + * Software Foundation. + * + * NO WARRANTY + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING + * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGES. + */ + +#include <acpi/acpi.h> +#include "accommon.h" +#include <linux/module.h> + +#define _COMPONENT ACPI_HARDWARE +ACPI_MODULE_NAME("hwxfsleep") + +/* Local prototypes */ +static acpi_status +acpi_hw_sleep_dispatch(u8 sleep_state, u8 flags, u32 function_id); + +/* + * Dispatch table used to efficiently branch to the various sleep + * functions. + */ +#define ACPI_SLEEP_FUNCTION_ID 0 +#define ACPI_WAKE_PREP_FUNCTION_ID 1 +#define ACPI_WAKE_FUNCTION_ID 2 + +/* Legacy functions are optional, based upon ACPI_REDUCED_HARDWARE */ + +static struct acpi_sleep_functions acpi_sleep_dispatch[] = { + {ACPI_HW_OPTIONAL_FUNCTION(acpi_hw_legacy_sleep), + acpi_hw_extended_sleep}, + {ACPI_HW_OPTIONAL_FUNCTION(acpi_hw_legacy_wake_prep), + acpi_hw_extended_wake_prep}, + {ACPI_HW_OPTIONAL_FUNCTION(acpi_hw_legacy_wake), acpi_hw_extended_wake} +}; + +/* + * These functions are removed for the ACPI_REDUCED_HARDWARE case: + * acpi_set_firmware_waking_vector + * acpi_set_firmware_waking_vector64 + * acpi_enter_sleep_state_s4bios + */ + +#if (!ACPI_REDUCED_HARDWARE) +/******************************************************************************* + * + * FUNCTION: acpi_set_firmware_waking_vector + * + * PARAMETERS: physical_address - 32-bit physical address of ACPI real mode + * entry point. + * + * RETURN: Status + * + * DESCRIPTION: Sets the 32-bit firmware_waking_vector field of the FACS + * + ******************************************************************************/ + +acpi_status acpi_set_firmware_waking_vector(u32 physical_address) +{ + ACPI_FUNCTION_TRACE(acpi_set_firmware_waking_vector); + + + /* + * According to the ACPI specification 2.0c and later, the 64-bit + * waking vector should be cleared and the 32-bit waking vector should + * be used, unless we want the wake-up code to be called by the BIOS in + * Protected Mode. Some systems (for example HP dv5-1004nr) are known + * to fail to resume if the 64-bit vector is used. + */ + + /* Set the 32-bit vector */ + + acpi_gbl_FACS->firmware_waking_vector = physical_address; + + /* Clear the 64-bit vector if it exists */ + + if ((acpi_gbl_FACS->length > 32) && (acpi_gbl_FACS->version >= 1)) { + acpi_gbl_FACS->xfirmware_waking_vector = 0; + } + + return_ACPI_STATUS(AE_OK); +} + +ACPI_EXPORT_SYMBOL(acpi_set_firmware_waking_vector) + +#if ACPI_MACHINE_WIDTH == 64 +/******************************************************************************* + * + * FUNCTION: acpi_set_firmware_waking_vector64 + * + * PARAMETERS: physical_address - 64-bit physical address of ACPI protected + * mode entry point. + * + * RETURN: Status + * + * DESCRIPTION: Sets the 64-bit X_firmware_waking_vector field of the FACS, if + * it exists in the table. This function is intended for use with + * 64-bit host operating systems. + * + ******************************************************************************/ +acpi_status acpi_set_firmware_waking_vector64(u64 physical_address) +{ + ACPI_FUNCTION_TRACE(acpi_set_firmware_waking_vector64); + + + /* Determine if the 64-bit vector actually exists */ + + if ((acpi_gbl_FACS->length <= 32) || (acpi_gbl_FACS->version < 1)) { + return_ACPI_STATUS(AE_NOT_EXIST); + } + + /* Clear 32-bit vector, set the 64-bit X_ vector */ + + acpi_gbl_FACS->firmware_waking_vector = 0; + acpi_gbl_FACS->xfirmware_waking_vector = physical_address; + return_ACPI_STATUS(AE_OK); +} + +ACPI_EXPORT_SYMBOL(acpi_set_firmware_waking_vector64) +#endif + +/******************************************************************************* + * + * FUNCTION: acpi_enter_sleep_state_s4bios + * + * PARAMETERS: None + * + * RETURN: Status + * + * DESCRIPTION: Perform a S4 bios request. + * THIS FUNCTION MUST BE CALLED WITH INTERRUPTS DISABLED + * + ******************************************************************************/ +acpi_status asmlinkage acpi_enter_sleep_state_s4bios(void) +{ + u32 in_value; + acpi_status status; + + ACPI_FUNCTION_TRACE(acpi_enter_sleep_state_s4bios); + + /* Clear the wake status bit (PM1) */ + + status = + acpi_write_bit_register(ACPI_BITREG_WAKE_STATUS, ACPI_CLEAR_STATUS); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); + } + + status = acpi_hw_clear_acpi_status(); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); + } + + /* + * 1) Disable/Clear all GPEs + * 2) Enable all wakeup GPEs + */ + status = acpi_hw_disable_all_gpes(); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); + } + acpi_gbl_system_awake_and_running = FALSE; + + status = acpi_hw_enable_all_wakeup_gpes(); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); + } + + ACPI_FLUSH_CPU_CACHE(); + + status = acpi_hw_write_port(acpi_gbl_FADT.smi_command, + (u32)acpi_gbl_FADT.S4bios_request, 8); + + do { + acpi_os_stall(1000); + status = + acpi_read_bit_register(ACPI_BITREG_WAKE_STATUS, &in_value); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); + } + } while (!in_value); + + return_ACPI_STATUS(AE_OK); +} + +ACPI_EXPORT_SYMBOL(acpi_enter_sleep_state_s4bios) +#endif /* !ACPI_REDUCED_HARDWARE */ +/******************************************************************************* + * + * FUNCTION: acpi_hw_sleep_dispatch + * + * PARAMETERS: sleep_state - Which sleep state to enter/exit + * function_id - Sleep, wake_prep, or Wake + * + * RETURN: Status from the invoked sleep handling function. + * + * DESCRIPTION: Dispatch a sleep/wake request to the appropriate handling + * function. + * + ******************************************************************************/ +static acpi_status +acpi_hw_sleep_dispatch(u8 sleep_state, u8 flags, u32 function_id) +{ + acpi_status status; + struct acpi_sleep_functions *sleep_functions = + &acpi_sleep_dispatch[function_id]; + +#if (!ACPI_REDUCED_HARDWARE) + + /* + * If the Hardware Reduced flag is set (from the FADT), we must + * use the extended sleep registers + */ + if (acpi_gbl_reduced_hardware || acpi_gbl_FADT.sleep_control.address) { + status = sleep_functions->extended_function(sleep_state, flags); + } else { + /* Legacy sleep */ + + status = sleep_functions->legacy_function(sleep_state, flags); + } + + return (status); + +#else + /* + * For the case where reduced-hardware-only code is being generated, + * we know that only the extended sleep registers are available + */ + status = sleep_functions->extended_function(sleep_state, flags); + return (status); + +#endif /* !ACPI_REDUCED_HARDWARE */ +} + +/******************************************************************************* + * + * FUNCTION: acpi_enter_sleep_state_prep + * + * PARAMETERS: sleep_state - Which sleep state to enter + * + * RETURN: Status + * + * DESCRIPTION: Prepare to enter a system sleep state. + * This function must execute with interrupts enabled. + * We break sleeping into 2 stages so that OSPM can handle + * various OS-specific tasks between the two steps. + * + ******************************************************************************/ + +acpi_status acpi_enter_sleep_state_prep(u8 sleep_state) +{ + acpi_status status; + struct acpi_object_list arg_list; + union acpi_object arg; + u32 sst_value; + + ACPI_FUNCTION_TRACE(acpi_enter_sleep_state_prep); + + status = acpi_get_sleep_type_data(sleep_state, + &acpi_gbl_sleep_type_a, + &acpi_gbl_sleep_type_b); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); + } + + /* Execute the _PTS method (Prepare To Sleep) */ + + arg_list.count = 1; + arg_list.pointer = &arg; + arg.type = ACPI_TYPE_INTEGER; + arg.integer.value = sleep_state; + + status = + acpi_evaluate_object(NULL, METHOD_PATHNAME__PTS, &arg_list, NULL); + if (ACPI_FAILURE(status) && status != AE_NOT_FOUND) { + return_ACPI_STATUS(status); + } + + /* Setup the argument to the _SST method (System STatus) */ + + switch (sleep_state) { + case ACPI_STATE_S0: + sst_value = ACPI_SST_WORKING; + break; + + case ACPI_STATE_S1: + case ACPI_STATE_S2: + case ACPI_STATE_S3: + sst_value = ACPI_SST_SLEEPING; + break; + + case ACPI_STATE_S4: + sst_value = ACPI_SST_SLEEP_CONTEXT; + break; + + default: + sst_value = ACPI_SST_INDICATOR_OFF; /* Default is off */ + break; + } + + /* + * Set the system indicators to show the desired sleep state. + * _SST is an optional method (return no error if not found) + */ + acpi_hw_execute_sleep_method(METHOD_PATHNAME__SST, sst_value); + return_ACPI_STATUS(AE_OK); +} + +ACPI_EXPORT_SYMBOL(acpi_enter_sleep_state_prep) + +/******************************************************************************* + * + * FUNCTION: acpi_enter_sleep_state + * + * PARAMETERS: sleep_state - Which sleep state to enter + * Flags - ACPI_EXECUTE_GTS to run optional method + * + * RETURN: Status + * + * DESCRIPTION: Enter a system sleep state (see ACPI 2.0 spec p 231) + * THIS FUNCTION MUST BE CALLED WITH INTERRUPTS DISABLED + * + ******************************************************************************/ +acpi_status asmlinkage acpi_enter_sleep_state(u8 sleep_state, u8 flags) +{ + acpi_status status; + + ACPI_FUNCTION_TRACE(acpi_enter_sleep_state); + + if ((acpi_gbl_sleep_type_a > ACPI_SLEEP_TYPE_MAX) || + (acpi_gbl_sleep_type_b > ACPI_SLEEP_TYPE_MAX)) { + ACPI_ERROR((AE_INFO, "Sleep values out of range: A=0x%X B=0x%X", + acpi_gbl_sleep_type_a, acpi_gbl_sleep_type_b)); + return_ACPI_STATUS(AE_AML_OPERAND_VALUE); + } + + status = + acpi_hw_sleep_dispatch(sleep_state, flags, ACPI_SLEEP_FUNCTION_ID); + return_ACPI_STATUS(status); +} + +ACPI_EXPORT_SYMBOL(acpi_enter_sleep_state) + +/******************************************************************************* + * + * FUNCTION: acpi_leave_sleep_state_prep + * + * PARAMETERS: sleep_state - Which sleep state we are exiting + * Flags - ACPI_EXECUTE_BFS to run optional method + * + * RETURN: Status + * + * DESCRIPTION: Perform the first state of OS-independent ACPI cleanup after a + * sleep. + * Called with interrupts DISABLED. + * + ******************************************************************************/ +acpi_status acpi_leave_sleep_state_prep(u8 sleep_state, u8 flags) +{ + acpi_status status; + + ACPI_FUNCTION_TRACE(acpi_leave_sleep_state_prep); + + status = + acpi_hw_sleep_dispatch(sleep_state, flags, + ACPI_WAKE_PREP_FUNCTION_ID); + return_ACPI_STATUS(status); +} + +ACPI_EXPORT_SYMBOL(acpi_leave_sleep_state_prep) + +/******************************************************************************* + * + * FUNCTION: acpi_leave_sleep_state + * + * PARAMETERS: sleep_state - Which sleep state we are exiting + * + * RETURN: Status + * + * DESCRIPTION: Perform OS-independent ACPI cleanup after a sleep + * Called with interrupts ENABLED. + * + ******************************************************************************/ +acpi_status acpi_leave_sleep_state(u8 sleep_state) +{ + acpi_status status; + + ACPI_FUNCTION_TRACE(acpi_leave_sleep_state); + + + status = acpi_hw_sleep_dispatch(sleep_state, 0, ACPI_WAKE_FUNCTION_ID); + return_ACPI_STATUS(status); +} + +ACPI_EXPORT_SYMBOL(acpi_leave_sleep_state) diff --git a/drivers/acpi/acpica/nsaccess.c b/drivers/acpi/acpica/nsaccess.c index d93172fd15a8..61623f3f6826 100644 --- a/drivers/acpi/acpica/nsaccess.c +++ b/drivers/acpi/acpica/nsaccess.c @@ -5,7 +5,7 @@ ******************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/acpica/nsalloc.c b/drivers/acpi/acpica/nsalloc.c index 1d0ef15d158f..7c3d3ceb98b3 100644 --- a/drivers/acpi/acpica/nsalloc.c +++ b/drivers/acpi/acpica/nsalloc.c @@ -5,7 +5,7 @@ ******************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/acpica/nsdump.c b/drivers/acpi/acpica/nsdump.c index b683cc2ff9d3..3f7f3f6e7dd5 100644 --- a/drivers/acpi/acpica/nsdump.c +++ b/drivers/acpi/acpica/nsdump.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -242,7 +242,20 @@ acpi_ns_dump_one_object(acpi_handle obj_handle, if (!obj_desc) { - /* No attached object, we are done */ + /* No attached object. Some types should always have an object */ + + switch (type) { + case ACPI_TYPE_INTEGER: + case ACPI_TYPE_PACKAGE: + case ACPI_TYPE_BUFFER: + case ACPI_TYPE_STRING: + case ACPI_TYPE_METHOD: + acpi_os_printf("<No attached object>"); + break; + + default: + break; + } acpi_os_printf("\n"); return (AE_OK); diff --git a/drivers/acpi/acpica/nsdumpdv.c b/drivers/acpi/acpica/nsdumpdv.c index 2ed294b7a4db..3b5acb0eb406 100644 --- a/drivers/acpi/acpica/nsdumpdv.c +++ b/drivers/acpi/acpica/nsdumpdv.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -121,7 +121,7 @@ void acpi_ns_dump_root_devices(void) return; } - status = acpi_get_handle(NULL, ACPI_NS_SYSTEM_BUS, &sys_bus_handle); + status = acpi_get_handle(NULL, METHOD_NAME__SB_, &sys_bus_handle); if (ACPI_FAILURE(status)) { return; } diff --git a/drivers/acpi/acpica/nseval.c b/drivers/acpi/acpica/nseval.c index c1bd02b1a058..f375cb82e321 100644 --- a/drivers/acpi/acpica/nseval.c +++ b/drivers/acpi/acpica/nseval.c @@ -5,7 +5,7 @@ ******************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/acpica/nsinit.c b/drivers/acpi/acpica/nsinit.c index fd7c6380e294..9d84ec2f0211 100644 --- a/drivers/acpi/acpica/nsinit.c +++ b/drivers/acpi/acpica/nsinit.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/acpica/nsload.c b/drivers/acpi/acpica/nsload.c index 5f7dc691c183..5cbf15ffe7d8 100644 --- a/drivers/acpi/acpica/nsload.c +++ b/drivers/acpi/acpica/nsload.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/acpica/nsnames.c b/drivers/acpi/acpica/nsnames.c index d5fa520c3de5..b20e7c8c3ffb 100644 --- a/drivers/acpi/acpica/nsnames.c +++ b/drivers/acpi/acpica/nsnames.c @@ -5,7 +5,7 @@ ******************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/acpica/nsobject.c b/drivers/acpi/acpica/nsobject.c index 3bb8bf105ea2..dd77a3ce6e50 100644 --- a/drivers/acpi/acpica/nsobject.c +++ b/drivers/acpi/acpica/nsobject.c @@ -6,7 +6,7 @@ ******************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/acpica/nsparse.c b/drivers/acpi/acpica/nsparse.c index b3234fa795b8..ec7ba2d3463c 100644 --- a/drivers/acpi/acpica/nsparse.c +++ b/drivers/acpi/acpica/nsparse.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/acpica/nspredef.c b/drivers/acpi/acpica/nspredef.c index c845c8089f39..23ce09686418 100644 --- a/drivers/acpi/acpica/nspredef.c +++ b/drivers/acpi/acpica/nspredef.c @@ -6,7 +6,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -620,6 +620,7 @@ acpi_ns_check_package(struct acpi_predefined_data *data, case ACPI_PTYPE2_FIXED: case ACPI_PTYPE2_MIN: case ACPI_PTYPE2_COUNT: + case ACPI_PTYPE2_FIX_VAR: /* * These types all return a single Package that consists of a @@ -637,8 +638,8 @@ acpi_ns_check_package(struct acpi_predefined_data *data, /* Create the new outer package and populate it */ status = - acpi_ns_repair_package_list(data, - return_object_ptr); + acpi_ns_wrap_with_package(data, *elements, + return_object_ptr); if (ACPI_FAILURE(status)) { return (status); } @@ -759,6 +760,34 @@ acpi_ns_check_package_list(struct acpi_predefined_data *data, } break; + case ACPI_PTYPE2_FIX_VAR: + /* + * Each subpackage has a fixed number of elements and an + * optional element + */ + expected_count = + package->ret_info.count1 + package->ret_info.count2; + if (sub_package->package.count < expected_count) { + goto package_too_small; + } + + status = + acpi_ns_check_package_elements(data, sub_elements, + package->ret_info. + object_type1, + package->ret_info. + count1, + package->ret_info. + object_type2, + sub_package->package. + count - + package->ret_info. + count1, 0); + if (ACPI_FAILURE(status)) { + return (status); + } + break; + case ACPI_PTYPE2_FIXED: /* Each sub-package has a fixed length */ diff --git a/drivers/acpi/acpica/nsrepair.c b/drivers/acpi/acpica/nsrepair.c index ac7b854b0bd7..5519a64a353f 100644 --- a/drivers/acpi/acpica/nsrepair.c +++ b/drivers/acpi/acpica/nsrepair.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -71,11 +71,10 @@ ACPI_MODULE_NAME("nsrepair") * Buffer -> String * Buffer -> Package of Integers * Package -> Package of one Package + * An incorrect standalone object is wrapped with required outer package * * Additional possible repairs: - * * Required package elements that are NULL replaced by Integer/String/Buffer - * Incorrect standalone package wrapped with required outer package * ******************************************************************************/ /* Local prototypes */ @@ -91,10 +90,6 @@ static acpi_status acpi_ns_convert_to_buffer(union acpi_operand_object *original_object, union acpi_operand_object **return_object); -static acpi_status -acpi_ns_convert_to_package(union acpi_operand_object *original_object, - union acpi_operand_object **return_object); - /******************************************************************************* * * FUNCTION: acpi_ns_repair_object @@ -151,9 +146,24 @@ acpi_ns_repair_object(struct acpi_predefined_data *data, } } if (expected_btypes & ACPI_RTYPE_PACKAGE) { - status = acpi_ns_convert_to_package(return_object, &new_object); + /* + * A package is expected. We will wrap the existing object with a + * new package object. It is often the case that if a variable-length + * package is required, but there is only a single object needed, the + * BIOS will return that object instead of wrapping it with a Package + * object. Note: after the wrapping, the package will be validated + * for correct contents (expected object type or types). + */ + status = + acpi_ns_wrap_with_package(data, return_object, &new_object); if (ACPI_SUCCESS(status)) { - goto object_repaired; + /* + * The original object just had its reference count + * incremented for being inserted into the new package. + */ + *return_object_ptr = new_object; /* New Package object */ + data->flags |= ACPI_OBJECT_REPAIRED; + return (AE_OK); } } @@ -165,22 +175,27 @@ acpi_ns_repair_object(struct acpi_predefined_data *data, /* Object was successfully repaired */ - /* - * If the original object is a package element, we need to: - * 1. Set the reference count of the new object to match the - * reference count of the old object. - * 2. Decrement the reference count of the original object. - */ if (package_index != ACPI_NOT_PACKAGE_ELEMENT) { - new_object->common.reference_count = - return_object->common.reference_count; + /* + * The original object is a package element. We need to + * decrement the reference count of the original object, + * for removing it from the package. + * + * However, if the original object was just wrapped with a + * package object as part of the repair, we don't need to + * change the reference count. + */ + if (!(data->flags & ACPI_OBJECT_WRAPPED)) { + new_object->common.reference_count = + return_object->common.reference_count; - if (return_object->common.reference_count > 1) { - return_object->common.reference_count--; + if (return_object->common.reference_count > 1) { + return_object->common.reference_count--; + } } ACPI_DEBUG_PRINT((ACPI_DB_REPAIR, - "%s: Converted %s to expected %s at index %u\n", + "%s: Converted %s to expected %s at Package index %u\n", data->pathname, acpi_ut_get_object_type_name(return_object), acpi_ut_get_object_type_name(new_object), @@ -453,65 +468,6 @@ acpi_ns_convert_to_buffer(union acpi_operand_object *original_object, /******************************************************************************* * - * FUNCTION: acpi_ns_convert_to_package - * - * PARAMETERS: original_object - Object to be converted - * return_object - Where the new converted object is returned - * - * RETURN: Status. AE_OK if conversion was successful. - * - * DESCRIPTION: Attempt to convert a Buffer object to a Package. Each byte of - * the buffer is converted to a single integer package element. - * - ******************************************************************************/ - -static acpi_status -acpi_ns_convert_to_package(union acpi_operand_object *original_object, - union acpi_operand_object **return_object) -{ - union acpi_operand_object *new_object; - union acpi_operand_object **elements; - u32 length; - u8 *buffer; - - switch (original_object->common.type) { - case ACPI_TYPE_BUFFER: - - /* Buffer-to-Package conversion */ - - length = original_object->buffer.length; - new_object = acpi_ut_create_package_object(length); - if (!new_object) { - return (AE_NO_MEMORY); - } - - /* Convert each buffer byte to an integer package element */ - - elements = new_object->package.elements; - buffer = original_object->buffer.pointer; - - while (length--) { - *elements = - acpi_ut_create_integer_object((u64) *buffer); - if (!*elements) { - acpi_ut_remove_reference(new_object); - return (AE_NO_MEMORY); - } - elements++; - buffer++; - } - break; - - default: - return (AE_AML_OPERAND_TYPE); - } - - *return_object = new_object; - return (AE_OK); -} - -/******************************************************************************* - * * FUNCTION: acpi_ns_repair_null_element * * PARAMETERS: Data - Pointer to validation data structure @@ -634,6 +590,7 @@ acpi_ns_remove_null_elements(struct acpi_predefined_data *data, case ACPI_PTYPE2_FIXED: case ACPI_PTYPE2_MIN: case ACPI_PTYPE2_REV_FIXED: + case ACPI_PTYPE2_FIX_VAR: break; default: @@ -676,55 +633,56 @@ acpi_ns_remove_null_elements(struct acpi_predefined_data *data, /******************************************************************************* * - * FUNCTION: acpi_ns_repair_package_list + * FUNCTION: acpi_ns_wrap_with_package * * PARAMETERS: Data - Pointer to validation data structure - * obj_desc_ptr - Pointer to the object to repair. The new - * package object is returned here, - * overwriting the old object. + * original_object - Pointer to the object to repair. + * obj_desc_ptr - The new package object is returned here * * RETURN: Status, new object in *obj_desc_ptr * - * DESCRIPTION: Repair a common problem with objects that are defined to return - * a variable-length Package of Packages. If the variable-length - * is one, some BIOS code mistakenly simply declares a single - * Package instead of a Package with one sub-Package. This - * function attempts to repair this error by wrapping a Package - * object around the original Package, creating the correct - * Package with one sub-Package. + * DESCRIPTION: Repair a common problem with objects that are defined to + * return a variable-length Package of sub-objects. If there is + * only one sub-object, some BIOS code mistakenly simply declares + * the single object instead of a Package with one sub-object. + * This function attempts to repair this error by wrapping a + * Package object around the original object, creating the + * correct and expected Package with one sub-object. * * Names that can be repaired in this manner include: - * _ALR, _CSD, _HPX, _MLS, _PRT, _PSS, _TRT, TSS + * _ALR, _CSD, _HPX, _MLS, _PLD, _PRT, _PSS, _TRT, _TSS, + * _BCL, _DOD, _FIX, _Sx * ******************************************************************************/ acpi_status -acpi_ns_repair_package_list(struct acpi_predefined_data *data, - union acpi_operand_object **obj_desc_ptr) +acpi_ns_wrap_with_package(struct acpi_predefined_data *data, + union acpi_operand_object *original_object, + union acpi_operand_object **obj_desc_ptr) { union acpi_operand_object *pkg_obj_desc; - ACPI_FUNCTION_NAME(ns_repair_package_list); + ACPI_FUNCTION_NAME(ns_wrap_with_package); /* * Create the new outer package and populate it. The new package will - * have a single element, the lone subpackage. + * have a single element, the lone sub-object. */ pkg_obj_desc = acpi_ut_create_package_object(1); if (!pkg_obj_desc) { return (AE_NO_MEMORY); } - pkg_obj_desc->package.elements[0] = *obj_desc_ptr; + pkg_obj_desc->package.elements[0] = original_object; + + ACPI_DEBUG_PRINT((ACPI_DB_REPAIR, + "%s: Wrapped %s with expected Package object\n", + data->pathname, + acpi_ut_get_object_type_name(original_object))); /* Return the new object in the object pointer */ *obj_desc_ptr = pkg_obj_desc; - data->flags |= ACPI_OBJECT_REPAIRED; - - ACPI_DEBUG_PRINT((ACPI_DB_REPAIR, - "%s: Repaired incorrectly formed Package\n", - data->pathname)); - + data->flags |= ACPI_OBJECT_REPAIRED | ACPI_OBJECT_WRAPPED; return (AE_OK); } diff --git a/drivers/acpi/acpica/nsrepair2.c b/drivers/acpi/acpica/nsrepair2.c index 024c4f263f87..726bc8e687f7 100644 --- a/drivers/acpi/acpica/nsrepair2.c +++ b/drivers/acpi/acpica/nsrepair2.c @@ -6,7 +6,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -467,11 +467,12 @@ acpi_ns_repair_HID(struct acpi_predefined_data *data, } /* - * Copy and uppercase the string. From the ACPI specification: + * Copy and uppercase the string. From the ACPI 5.0 specification: * * A valid PNP ID must be of the form "AAA####" where A is an uppercase * letter and # is a hex digit. A valid ACPI ID must be of the form - * "ACPI####" where # is a hex digit. + * "NNNN####" where N is an uppercase letter or decimal digit, and + * # is a hex digit. */ for (dest = new_string->string.pointer; *source; dest++, source++) { *dest = (char)ACPI_TOUPPER(*source); diff --git a/drivers/acpi/acpica/nssearch.c b/drivers/acpi/acpica/nssearch.c index 28b0d7a62b99..507043d66114 100644 --- a/drivers/acpi/acpica/nssearch.c +++ b/drivers/acpi/acpica/nssearch.c @@ -5,7 +5,7 @@ ******************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/acpica/nsutils.c b/drivers/acpi/acpica/nsutils.c index cb1b104a69a2..75113759f69d 100644 --- a/drivers/acpi/acpica/nsutils.c +++ b/drivers/acpi/acpica/nsutils.c @@ -6,7 +6,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -341,7 +341,7 @@ acpi_status acpi_ns_build_internal_name(struct acpi_namestring_info *info) if (!acpi_ns_valid_path_separator(*external_name) && (*external_name != 0)) { - return_ACPI_STATUS(AE_BAD_PARAMETER); + return_ACPI_STATUS(AE_BAD_PATHNAME); } /* Move on the next segment */ diff --git a/drivers/acpi/acpica/nswalk.c b/drivers/acpi/acpica/nswalk.c index 345f0c3c6ad2..f69895a54895 100644 --- a/drivers/acpi/acpica/nswalk.c +++ b/drivers/acpi/acpica/nswalk.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/acpica/nsxfeval.c b/drivers/acpi/acpica/nsxfeval.c index e7f016d1b226..71d15f61807b 100644 --- a/drivers/acpi/acpica/nsxfeval.c +++ b/drivers/acpi/acpica/nsxfeval.c @@ -6,7 +6,7 @@ ******************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/acpica/nsxfname.c b/drivers/acpi/acpica/nsxfname.c index 83bf93024303..af401c9c4dfc 100644 --- a/drivers/acpi/acpica/nsxfname.c +++ b/drivers/acpi/acpica/nsxfname.c @@ -6,7 +6,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/acpica/nsxfobj.c b/drivers/acpi/acpica/nsxfobj.c index 57e6d825ed84..880a605cee20 100644 --- a/drivers/acpi/acpica/nsxfobj.c +++ b/drivers/acpi/acpica/nsxfobj.c @@ -6,7 +6,7 @@ ******************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/acpica/psargs.c b/drivers/acpi/acpica/psargs.c index e1fad0ee0136..5ac36aba507c 100644 --- a/drivers/acpi/acpica/psargs.c +++ b/drivers/acpi/acpica/psargs.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -484,34 +484,54 @@ acpi_ps_get_next_simple_arg(struct acpi_parse_state *parser_state, static union acpi_parse_object *acpi_ps_get_next_field(struct acpi_parse_state *parser_state) { - u32 aml_offset = (u32) - ACPI_PTR_DIFF(parser_state->aml, - parser_state->aml_start); + u32 aml_offset; union acpi_parse_object *field; + union acpi_parse_object *arg = NULL; u16 opcode; u32 name; + u8 access_type; + u8 access_attribute; + u8 access_length; + u32 pkg_length; + u8 *pkg_end; + u32 buffer_length; ACPI_FUNCTION_TRACE(ps_get_next_field); + aml_offset = + (u32)ACPI_PTR_DIFF(parser_state->aml, parser_state->aml_start); + /* Determine field type */ switch (ACPI_GET8(parser_state->aml)) { - default: + case AML_FIELD_OFFSET_OP: - opcode = AML_INT_NAMEDFIELD_OP; + opcode = AML_INT_RESERVEDFIELD_OP; + parser_state->aml++; break; - case 0x00: + case AML_FIELD_ACCESS_OP: - opcode = AML_INT_RESERVEDFIELD_OP; + opcode = AML_INT_ACCESSFIELD_OP; parser_state->aml++; break; - case 0x01: + case AML_FIELD_CONNECTION_OP: - opcode = AML_INT_ACCESSFIELD_OP; + opcode = AML_INT_CONNECTION_OP; + parser_state->aml++; + break; + + case AML_FIELD_EXT_ACCESS_OP: + + opcode = AML_INT_EXTACCESSFIELD_OP; parser_state->aml++; break; + + default: + + opcode = AML_INT_NAMEDFIELD_OP; + break; } /* Allocate a new field op */ @@ -549,16 +569,111 @@ static union acpi_parse_object *acpi_ps_get_next_field(struct acpi_parse_state break; case AML_INT_ACCESSFIELD_OP: + case AML_INT_EXTACCESSFIELD_OP: /* * Get access_type and access_attrib and merge into the field Op - * access_type is first operand, access_attribute is second + * access_type is first operand, access_attribute is second. stuff + * these bytes into the node integer value for convenience. */ - field->common.value.integer = - (((u32) ACPI_GET8(parser_state->aml) << 8)); + + /* Get the two bytes (Type/Attribute) */ + + access_type = ACPI_GET8(parser_state->aml); parser_state->aml++; - field->common.value.integer |= ACPI_GET8(parser_state->aml); + access_attribute = ACPI_GET8(parser_state->aml); parser_state->aml++; + + field->common.value.integer = (u8)access_type; + field->common.value.integer |= (u16)(access_attribute << 8); + + /* This opcode has a third byte, access_length */ + + if (opcode == AML_INT_EXTACCESSFIELD_OP) { + access_length = ACPI_GET8(parser_state->aml); + parser_state->aml++; + + field->common.value.integer |= + (u32)(access_length << 16); + } + break; + + case AML_INT_CONNECTION_OP: + + /* + * Argument for Connection operator can be either a Buffer + * (resource descriptor), or a name_string. + */ + if (ACPI_GET8(parser_state->aml) == AML_BUFFER_OP) { + parser_state->aml++; + + pkg_end = parser_state->aml; + pkg_length = + acpi_ps_get_next_package_length(parser_state); + pkg_end += pkg_length; + + if (parser_state->aml < pkg_end) { + + /* Non-empty list */ + + arg = acpi_ps_alloc_op(AML_INT_BYTELIST_OP); + if (!arg) { + return_PTR(NULL); + } + + /* Get the actual buffer length argument */ + + opcode = ACPI_GET8(parser_state->aml); + parser_state->aml++; + + switch (opcode) { + case AML_BYTE_OP: /* AML_BYTEDATA_ARG */ + buffer_length = + ACPI_GET8(parser_state->aml); + parser_state->aml += 1; + break; + + case AML_WORD_OP: /* AML_WORDDATA_ARG */ + buffer_length = + ACPI_GET16(parser_state->aml); + parser_state->aml += 2; + break; + + case AML_DWORD_OP: /* AML_DWORDATA_ARG */ + buffer_length = + ACPI_GET32(parser_state->aml); + parser_state->aml += 4; + break; + + default: + buffer_length = 0; + break; + } + + /* Fill in bytelist data */ + + arg->named.value.size = buffer_length; + arg->named.data = parser_state->aml; + } + + /* Skip to End of byte data */ + + parser_state->aml = pkg_end; + } else { + arg = acpi_ps_alloc_op(AML_INT_NAMEPATH_OP); + if (!arg) { + return_PTR(NULL); + } + + /* Get the Namestring argument */ + + arg->common.value.name = + acpi_ps_get_next_namestring(parser_state); + } + + /* Link the buffer/namestring to parent (CONNECTION_OP) */ + + acpi_ps_append_arg(field, arg); break; default: diff --git a/drivers/acpi/acpica/psloop.c b/drivers/acpi/acpica/psloop.c index 01dd70d1de51..9547ad8a620b 100644 --- a/drivers/acpi/acpica/psloop.c +++ b/drivers/acpi/acpica/psloop.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/acpica/psopcode.c b/drivers/acpi/acpica/psopcode.c index bed08de7528c..a0226fdcf75c 100644 --- a/drivers/acpi/acpica/psopcode.c +++ b/drivers/acpi/acpica/psopcode.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -638,7 +638,16 @@ const struct acpi_opcode_info acpi_gbl_aml_op_info[AML_NUM_OPCODES] = { /* 7E */ ACPI_OP("Timer", ARGP_TIMER_OP, ARGI_TIMER_OP, ACPI_TYPE_ANY, AML_CLASS_EXECUTE, AML_TYPE_EXEC_0A_0T_1R, - AML_FLAGS_EXEC_0A_0T_1R) + AML_FLAGS_EXEC_0A_0T_1R), + +/* ACPI 5.0 opcodes */ + +/* 7F */ ACPI_OP("-ConnectField-", ARGP_CONNECTFIELD_OP, + ARGI_CONNECTFIELD_OP, ACPI_TYPE_ANY, + AML_CLASS_INTERNAL, AML_TYPE_BOGUS, AML_HAS_ARGS), +/* 80 */ ACPI_OP("-ExtAccessField-", ARGP_CONNECTFIELD_OP, + ARGI_CONNECTFIELD_OP, ACPI_TYPE_ANY, + AML_CLASS_INTERNAL, AML_TYPE_BOGUS, 0) /*! [End] no source code translation !*/ }; @@ -657,7 +666,7 @@ static const u8 acpi_gbl_short_op_index[256] = { /* 0x20 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, /* 0x28 */ _UNK, _UNK, _UNK, _UNK, _UNK, 0x63, _PFX, _PFX, /* 0x30 */ 0x67, 0x66, 0x68, 0x65, 0x69, 0x64, 0x6A, 0x7D, -/* 0x38 */ _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, +/* 0x38 */ 0x7F, 0x80, _UNK, _UNK, _UNK, _UNK, _UNK, _UNK, /* 0x40 */ _UNK, _ASC, _ASC, _ASC, _ASC, _ASC, _ASC, _ASC, /* 0x48 */ _ASC, _ASC, _ASC, _ASC, _ASC, _ASC, _ASC, _ASC, /* 0x50 */ _ASC, _ASC, _ASC, _ASC, _ASC, _ASC, _ASC, _ASC, diff --git a/drivers/acpi/acpica/psparse.c b/drivers/acpi/acpica/psparse.c index 9bb0cbd37b5e..2ff9c35a1968 100644 --- a/drivers/acpi/acpica/psparse.c +++ b/drivers/acpi/acpica/psparse.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/acpica/psscope.c b/drivers/acpi/acpica/psscope.c index a5faa1323a02..c872aa4b926e 100644 --- a/drivers/acpi/acpica/psscope.c +++ b/drivers/acpi/acpica/psscope.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/acpica/pstree.c b/drivers/acpi/acpica/pstree.c index f1464c03aa42..2b03cdbbe1c0 100644 --- a/drivers/acpi/acpica/pstree.c +++ b/drivers/acpi/acpica/pstree.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -74,6 +74,12 @@ union acpi_parse_object *acpi_ps_get_arg(union acpi_parse_object *op, u32 argn) ACPI_FUNCTION_ENTRY(); +/* + if (Op->Common.aml_opcode == AML_INT_CONNECTION_OP) + { + return (Op->Common.Value.Arg); + } +*/ /* Get the info structure for this opcode */ op_info = acpi_ps_get_opcode_info(op->common.aml_opcode); diff --git a/drivers/acpi/acpica/psutils.c b/drivers/acpi/acpica/psutils.c index 7eda78503422..13bb131ae125 100644 --- a/drivers/acpi/acpica/psutils.c +++ b/drivers/acpi/acpica/psutils.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/acpica/pswalk.c b/drivers/acpi/acpica/pswalk.c index 3312d6368bf1..ab96cf47896d 100644 --- a/drivers/acpi/acpica/pswalk.c +++ b/drivers/acpi/acpica/pswalk.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/acpica/psxface.c b/drivers/acpi/acpica/psxface.c index 8086805d4494..9d98c5ff66a5 100644 --- a/drivers/acpi/acpica/psxface.c +++ b/drivers/acpi/acpica/psxface.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/acpica/rsaddr.c b/drivers/acpi/acpica/rsaddr.c index 9e66f9078426..a0305652394f 100644 --- a/drivers/acpi/acpica/rsaddr.c +++ b/drivers/acpi/acpica/rsaddr.c @@ -5,7 +5,7 @@ ******************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/acpica/rscalc.c b/drivers/acpi/acpica/rscalc.c index 3a8a89ec2ca4..3c6df4b7eb2d 100644 --- a/drivers/acpi/acpica/rscalc.c +++ b/drivers/acpi/acpica/rscalc.c @@ -5,7 +5,7 @@ ******************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -313,6 +313,38 @@ acpi_rs_get_aml_length(struct acpi_resource * resource, acpi_size * size_needed) resource_source)); break; + case ACPI_RESOURCE_TYPE_GPIO: + + total_size = + (acpi_rs_length) (total_size + + (resource->data.gpio. + pin_table_length * 2) + + resource->data.gpio. + resource_source.string_length + + resource->data.gpio. + vendor_length); + + break; + + case ACPI_RESOURCE_TYPE_SERIAL_BUS: + + total_size = + acpi_gbl_aml_resource_serial_bus_sizes[resource-> + data. + common_serial_bus. + type]; + + total_size = (acpi_rs_length) (total_size + + resource->data. + i2c_serial_bus. + resource_source. + string_length + + resource->data. + i2c_serial_bus. + vendor_length); + + break; + default: break; } @@ -362,10 +394,11 @@ acpi_rs_get_list_length(u8 * aml_buffer, u32 extra_struct_bytes; u8 resource_index; u8 minimum_aml_resource_length; + union aml_resource *aml_resource; ACPI_FUNCTION_TRACE(rs_get_list_length); - *size_needed = 0; + *size_needed = ACPI_RS_SIZE_MIN; /* Minimum size is one end_tag */ end_aml = aml_buffer + aml_buffer_length; /* Walk the list of AML resource descriptors */ @@ -376,9 +409,15 @@ acpi_rs_get_list_length(u8 * aml_buffer, status = acpi_ut_validate_resource(aml_buffer, &resource_index); if (ACPI_FAILURE(status)) { + /* + * Exit on failure. Cannot continue because the descriptor length + * may be bogus also. + */ return_ACPI_STATUS(status); } + aml_resource = (void *)aml_buffer; + /* Get the resource length and base (minimum) AML size */ resource_length = acpi_ut_get_resource_length(aml_buffer); @@ -422,10 +461,8 @@ acpi_rs_get_list_length(u8 * aml_buffer, case ACPI_RESOURCE_NAME_END_TAG: /* - * End Tag: - * This is the normal exit, add size of end_tag + * End Tag: This is the normal exit */ - *size_needed += ACPI_RS_SIZE_MIN; return_ACPI_STATUS(AE_OK); case ACPI_RESOURCE_NAME_ADDRESS32: @@ -457,6 +494,33 @@ acpi_rs_get_list_length(u8 * aml_buffer, minimum_aml_resource_length); break; + case ACPI_RESOURCE_NAME_GPIO: + + /* Vendor data is optional */ + + if (aml_resource->gpio.vendor_length) { + extra_struct_bytes += + aml_resource->gpio.vendor_offset - + aml_resource->gpio.pin_table_offset + + aml_resource->gpio.vendor_length; + } else { + extra_struct_bytes += + aml_resource->large_header.resource_length + + sizeof(struct aml_resource_large_header) - + aml_resource->gpio.pin_table_offset; + } + break; + + case ACPI_RESOURCE_NAME_SERIAL_BUS: + + minimum_aml_resource_length = + acpi_gbl_resource_aml_serial_bus_sizes + [aml_resource->common_serial_bus.type]; + extra_struct_bytes += + aml_resource->common_serial_bus.resource_length - + minimum_aml_resource_length; + break; + default: break; } @@ -467,9 +531,18 @@ acpi_rs_get_list_length(u8 * aml_buffer, * Important: Round the size up for the appropriate alignment. This * is a requirement on IA64. */ - buffer_size = acpi_gbl_resource_struct_sizes[resource_index] + - extra_struct_bytes; - buffer_size = (u32) ACPI_ROUND_UP_TO_NATIVE_WORD(buffer_size); + if (acpi_ut_get_resource_type(aml_buffer) == + ACPI_RESOURCE_NAME_SERIAL_BUS) { + buffer_size = + acpi_gbl_resource_struct_serial_bus_sizes + [aml_resource->common_serial_bus.type] + + extra_struct_bytes; + } else { + buffer_size = + acpi_gbl_resource_struct_sizes[resource_index] + + extra_struct_bytes; + } + buffer_size = (u32)ACPI_ROUND_UP_TO_NATIVE_WORD(buffer_size); *size_needed += buffer_size; diff --git a/drivers/acpi/acpica/rscreate.c b/drivers/acpi/acpica/rscreate.c index 4ce6e1147e80..46d6eb38ae66 100644 --- a/drivers/acpi/acpica/rscreate.c +++ b/drivers/acpi/acpica/rscreate.c @@ -5,7 +5,7 @@ ******************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -51,6 +51,70 @@ ACPI_MODULE_NAME("rscreate") /******************************************************************************* * + * FUNCTION: acpi_buffer_to_resource + * + * PARAMETERS: aml_buffer - Pointer to the resource byte stream + * aml_buffer_length - Length of the aml_buffer + * resource_ptr - Where the converted resource is returned + * + * RETURN: Status + * + * DESCRIPTION: Convert a raw AML buffer to a resource list + * + ******************************************************************************/ +acpi_status +acpi_buffer_to_resource(u8 *aml_buffer, + u16 aml_buffer_length, + struct acpi_resource **resource_ptr) +{ + acpi_status status; + acpi_size list_size_needed; + void *resource; + void *current_resource_ptr; + + /* + * Note: we allow AE_AML_NO_RESOURCE_END_TAG, since an end tag + * is not required here. + */ + + /* Get the required length for the converted resource */ + + status = acpi_rs_get_list_length(aml_buffer, aml_buffer_length, + &list_size_needed); + if (status == AE_AML_NO_RESOURCE_END_TAG) { + status = AE_OK; + } + if (ACPI_FAILURE(status)) { + return (status); + } + + /* Allocate a buffer for the converted resource */ + + resource = ACPI_ALLOCATE_ZEROED(list_size_needed); + current_resource_ptr = resource; + if (!resource) { + return (AE_NO_MEMORY); + } + + /* Perform the AML-to-Resource conversion */ + + status = acpi_ut_walk_aml_resources(aml_buffer, aml_buffer_length, + acpi_rs_convert_aml_to_resources, + ¤t_resource_ptr); + if (status == AE_AML_NO_RESOURCE_END_TAG) { + status = AE_OK; + } + if (ACPI_FAILURE(status)) { + ACPI_FREE(resource); + } else { + *resource_ptr = resource; + } + + return (status); +} + +/******************************************************************************* + * * FUNCTION: acpi_rs_create_resource_list * * PARAMETERS: aml_buffer - Pointer to the resource byte stream @@ -66,9 +130,10 @@ ACPI_MODULE_NAME("rscreate") * of device resources. * ******************************************************************************/ + acpi_status acpi_rs_create_resource_list(union acpi_operand_object *aml_buffer, - struct acpi_buffer *output_buffer) + struct acpi_buffer * output_buffer) { acpi_status status; diff --git a/drivers/acpi/acpica/rsdump.c b/drivers/acpi/acpica/rsdump.c index 33db7520c74b..b4c581132393 100644 --- a/drivers/acpi/acpica/rsdump.c +++ b/drivers/acpi/acpica/rsdump.c @@ -5,7 +5,7 @@ ******************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -61,11 +61,13 @@ static void acpi_rs_out_integer64(char *title, u64 value); static void acpi_rs_out_title(char *title); -static void acpi_rs_dump_byte_list(u16 length, u8 * data); +static void acpi_rs_dump_byte_list(u16 length, u8 *data); -static void acpi_rs_dump_dword_list(u8 length, u32 * data); +static void acpi_rs_dump_word_list(u16 length, u16 *data); -static void acpi_rs_dump_short_byte_list(u8 length, u8 * data); +static void acpi_rs_dump_dword_list(u8 length, u32 *data); + +static void acpi_rs_dump_short_byte_list(u8 length, u8 *data); static void acpi_rs_dump_resource_source(struct acpi_resource_source *resource_source); @@ -309,6 +311,125 @@ struct acpi_rsdump_info acpi_rs_dump_generic_reg[6] = { {ACPI_RSD_UINT64, ACPI_RSD_OFFSET(generic_reg.address), "Address", NULL} }; +struct acpi_rsdump_info acpi_rs_dump_gpio[16] = { + {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_gpio), "GPIO", NULL}, + {ACPI_RSD_UINT8, ACPI_RSD_OFFSET(gpio.revision_id), "RevisionId", NULL}, + {ACPI_RSD_UINT8, ACPI_RSD_OFFSET(gpio.connection_type), + "ConnectionType", acpi_gbl_ct_decode}, + {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(gpio.producer_consumer), + "ProducerConsumer", acpi_gbl_consume_decode}, + {ACPI_RSD_UINT8, ACPI_RSD_OFFSET(gpio.pin_config), "PinConfig", + acpi_gbl_ppc_decode}, + {ACPI_RSD_2BITFLAG, ACPI_RSD_OFFSET(gpio.sharable), "Sharable", + acpi_gbl_shr_decode}, + {ACPI_RSD_2BITFLAG, ACPI_RSD_OFFSET(gpio.io_restriction), + "IoRestriction", acpi_gbl_ior_decode}, + {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(gpio.triggering), "Triggering", + acpi_gbl_he_decode}, + {ACPI_RSD_2BITFLAG, ACPI_RSD_OFFSET(gpio.polarity), "Polarity", + acpi_gbl_ll_decode}, + {ACPI_RSD_UINT16, ACPI_RSD_OFFSET(gpio.drive_strength), "DriveStrength", + NULL}, + {ACPI_RSD_UINT16, ACPI_RSD_OFFSET(gpio.debounce_timeout), + "DebounceTimeout", NULL}, + {ACPI_RSD_SOURCE, ACPI_RSD_OFFSET(gpio.resource_source), + "ResourceSource", NULL}, + {ACPI_RSD_UINT16, ACPI_RSD_OFFSET(gpio.pin_table_length), + "PinTableLength", NULL}, + {ACPI_RSD_WORDLIST, ACPI_RSD_OFFSET(gpio.pin_table), "PinTable", NULL}, + {ACPI_RSD_UINT16, ACPI_RSD_OFFSET(gpio.vendor_length), "VendorLength", + NULL}, + {ACPI_RSD_SHORTLISTX, ACPI_RSD_OFFSET(gpio.vendor_data), "VendorData", + NULL}, +}; + +struct acpi_rsdump_info acpi_rs_dump_fixed_dma[4] = { + {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_fixed_dma), + "FixedDma", NULL}, + {ACPI_RSD_UINT16, ACPI_RSD_OFFSET(fixed_dma.request_lines), + "RequestLines", NULL}, + {ACPI_RSD_UINT16, ACPI_RSD_OFFSET(fixed_dma.channels), "Channels", + NULL}, + {ACPI_RSD_UINT8, ACPI_RSD_OFFSET(fixed_dma.width), "TransferWidth", + acpi_gbl_dts_decode}, +}; + +#define ACPI_RS_DUMP_COMMON_SERIAL_BUS \ + {ACPI_RSD_UINT8, ACPI_RSD_OFFSET (common_serial_bus.revision_id), "RevisionId", NULL}, \ + {ACPI_RSD_UINT8, ACPI_RSD_OFFSET (common_serial_bus.type), "Type", acpi_gbl_sbt_decode}, \ + {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET (common_serial_bus.producer_consumer), "ProducerConsumer", acpi_gbl_consume_decode}, \ + {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET (common_serial_bus.slave_mode), "SlaveMode", acpi_gbl_sm_decode}, \ + {ACPI_RSD_UINT8, ACPI_RSD_OFFSET (common_serial_bus.type_revision_id), "TypeRevisionId", NULL}, \ + {ACPI_RSD_UINT16, ACPI_RSD_OFFSET (common_serial_bus.type_data_length), "TypeDataLength", NULL}, \ + {ACPI_RSD_SOURCE, ACPI_RSD_OFFSET (common_serial_bus.resource_source), "ResourceSource", NULL}, \ + {ACPI_RSD_UINT16, ACPI_RSD_OFFSET (common_serial_bus.vendor_length), "VendorLength", NULL}, \ + {ACPI_RSD_SHORTLISTX,ACPI_RSD_OFFSET (common_serial_bus.vendor_data), "VendorData", NULL}, + +struct acpi_rsdump_info acpi_rs_dump_common_serial_bus[10] = { + {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_common_serial_bus), + "Common Serial Bus", NULL}, + ACPI_RS_DUMP_COMMON_SERIAL_BUS +}; + +struct acpi_rsdump_info acpi_rs_dump_i2c_serial_bus[13] = { + {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_i2c_serial_bus), + "I2C Serial Bus", NULL}, + ACPI_RS_DUMP_COMMON_SERIAL_BUS {ACPI_RSD_1BITFLAG, + ACPI_RSD_OFFSET(i2c_serial_bus. + access_mode), + "AccessMode", acpi_gbl_am_decode}, + {ACPI_RSD_UINT32, ACPI_RSD_OFFSET(i2c_serial_bus.connection_speed), + "ConnectionSpeed", NULL}, + {ACPI_RSD_UINT16, ACPI_RSD_OFFSET(i2c_serial_bus.slave_address), + "SlaveAddress", NULL}, +}; + +struct acpi_rsdump_info acpi_rs_dump_spi_serial_bus[17] = { + {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_spi_serial_bus), + "Spi Serial Bus", NULL}, + ACPI_RS_DUMP_COMMON_SERIAL_BUS {ACPI_RSD_1BITFLAG, + ACPI_RSD_OFFSET(spi_serial_bus. + wire_mode), "WireMode", + acpi_gbl_wm_decode}, + {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(spi_serial_bus.device_polarity), + "DevicePolarity", acpi_gbl_dp_decode}, + {ACPI_RSD_UINT8, ACPI_RSD_OFFSET(spi_serial_bus.data_bit_length), + "DataBitLength", NULL}, + {ACPI_RSD_UINT8, ACPI_RSD_OFFSET(spi_serial_bus.clock_phase), + "ClockPhase", acpi_gbl_cph_decode}, + {ACPI_RSD_UINT8, ACPI_RSD_OFFSET(spi_serial_bus.clock_polarity), + "ClockPolarity", acpi_gbl_cpo_decode}, + {ACPI_RSD_UINT16, ACPI_RSD_OFFSET(spi_serial_bus.device_selection), + "DeviceSelection", NULL}, + {ACPI_RSD_UINT32, ACPI_RSD_OFFSET(spi_serial_bus.connection_speed), + "ConnectionSpeed", NULL}, +}; + +struct acpi_rsdump_info acpi_rs_dump_uart_serial_bus[19] = { + {ACPI_RSD_TITLE, ACPI_RSD_TABLE_SIZE(acpi_rs_dump_uart_serial_bus), + "Uart Serial Bus", NULL}, + ACPI_RS_DUMP_COMMON_SERIAL_BUS {ACPI_RSD_2BITFLAG, + ACPI_RSD_OFFSET(uart_serial_bus. + flow_control), + "FlowControl", acpi_gbl_fc_decode}, + {ACPI_RSD_2BITFLAG, ACPI_RSD_OFFSET(uart_serial_bus.stop_bits), + "StopBits", acpi_gbl_sb_decode}, + {ACPI_RSD_3BITFLAG, ACPI_RSD_OFFSET(uart_serial_bus.data_bits), + "DataBits", acpi_gbl_bpb_decode}, + {ACPI_RSD_1BITFLAG, ACPI_RSD_OFFSET(uart_serial_bus.endian), "Endian", + acpi_gbl_ed_decode}, + {ACPI_RSD_UINT8, ACPI_RSD_OFFSET(uart_serial_bus.parity), "Parity", + acpi_gbl_pt_decode}, + {ACPI_RSD_UINT8, ACPI_RSD_OFFSET(uart_serial_bus.lines_enabled), + "LinesEnabled", NULL}, + {ACPI_RSD_UINT16, ACPI_RSD_OFFSET(uart_serial_bus.rx_fifo_size), + "RxFifoSize", NULL}, + {ACPI_RSD_UINT16, ACPI_RSD_OFFSET(uart_serial_bus.tx_fifo_size), + "TxFifoSize", NULL}, + {ACPI_RSD_UINT32, ACPI_RSD_OFFSET(uart_serial_bus.default_baud_rate), + "ConnectionSpeed", NULL}, +}; + /* * Tables used for common address descriptor flag fields */ @@ -413,7 +534,14 @@ acpi_rs_dump_descriptor(void *resource, struct acpi_rsdump_info *table) /* Data items, 8/16/32/64 bit */ case ACPI_RSD_UINT8: - acpi_rs_out_integer8(name, ACPI_GET8(target)); + if (table->pointer) { + acpi_rs_out_string(name, ACPI_CAST_PTR(char, + table-> + pointer + [*target])); + } else { + acpi_rs_out_integer8(name, ACPI_GET8(target)); + } break; case ACPI_RSD_UINT16: @@ -444,6 +572,13 @@ acpi_rs_dump_descriptor(void *resource, struct acpi_rsdump_info *table) 0x03])); break; + case ACPI_RSD_3BITFLAG: + acpi_rs_out_string(name, ACPI_CAST_PTR(char, + table-> + pointer[*target & + 0x07])); + break; + case ACPI_RSD_SHORTLIST: /* * Short byte list (single line output) for DMA and IRQ resources @@ -456,6 +591,20 @@ acpi_rs_dump_descriptor(void *resource, struct acpi_rsdump_info *table) } break; + case ACPI_RSD_SHORTLISTX: + /* + * Short byte list (single line output) for GPIO vendor data + * Note: The list length is obtained from the previous table entry + */ + if (previous_target) { + acpi_rs_out_title(name); + acpi_rs_dump_short_byte_list(*previous_target, + * + (ACPI_CAST_INDIRECT_PTR + (u8, target))); + } + break; + case ACPI_RSD_LONGLIST: /* * Long byte list for Vendor resource data @@ -480,6 +629,18 @@ acpi_rs_dump_descriptor(void *resource, struct acpi_rsdump_info *table) } break; + case ACPI_RSD_WORDLIST: + /* + * Word list for GPIO Pin Table + * Note: The list length is obtained from the previous table entry + */ + if (previous_target) { + acpi_rs_dump_word_list(*previous_target, + *(ACPI_CAST_INDIRECT_PTR + (u16, target))); + } + break; + case ACPI_RSD_ADDRESS: /* * Common flags for all Address resources @@ -627,14 +788,20 @@ void acpi_rs_dump_resource_list(struct acpi_resource *resource_list) /* Dump the resource descriptor */ - acpi_rs_dump_descriptor(&resource_list->data, - acpi_gbl_dump_resource_dispatch[type]); + if (type == ACPI_RESOURCE_TYPE_SERIAL_BUS) { + acpi_rs_dump_descriptor(&resource_list->data, + acpi_gbl_dump_serial_bus_dispatch + [resource_list->data. + common_serial_bus.type]); + } else { + acpi_rs_dump_descriptor(&resource_list->data, + acpi_gbl_dump_resource_dispatch + [type]); + } /* Point to the next resource structure */ - resource_list = - ACPI_ADD_PTR(struct acpi_resource, resource_list, - resource_list->length); + resource_list = ACPI_NEXT_RESOURCE(resource_list); /* Exit when END_TAG descriptor is reached */ @@ -768,4 +935,13 @@ static void acpi_rs_dump_dword_list(u8 length, u32 * data) } } +static void acpi_rs_dump_word_list(u16 length, u16 *data) +{ + u16 i; + + for (i = 0; i < length; i++) { + acpi_os_printf("%25s%2.2X : %4.4X\n", "Word", i, data[i]); + } +} + #endif diff --git a/drivers/acpi/acpica/rsinfo.c b/drivers/acpi/acpica/rsinfo.c index f9ea60872aa4..a9fa5158200b 100644 --- a/drivers/acpi/acpica/rsinfo.c +++ b/drivers/acpi/acpica/rsinfo.c @@ -5,7 +5,7 @@ ******************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -76,7 +76,10 @@ struct acpi_rsconvert_info *acpi_gbl_set_resource_dispatch[] = { acpi_rs_convert_address64, /* 0x0D, ACPI_RESOURCE_TYPE_ADDRESS64 */ acpi_rs_convert_ext_address64, /* 0x0E, ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64 */ acpi_rs_convert_ext_irq, /* 0x0F, ACPI_RESOURCE_TYPE_EXTENDED_IRQ */ - acpi_rs_convert_generic_reg /* 0x10, ACPI_RESOURCE_TYPE_GENERIC_REGISTER */ + acpi_rs_convert_generic_reg, /* 0x10, ACPI_RESOURCE_TYPE_GENERIC_REGISTER */ + acpi_rs_convert_gpio, /* 0x11, ACPI_RESOURCE_TYPE_GPIO */ + acpi_rs_convert_fixed_dma, /* 0x12, ACPI_RESOURCE_TYPE_FIXED_DMA */ + NULL, /* 0x13, ACPI_RESOURCE_TYPE_SERIAL_BUS - Use subtype table below */ }; /* Dispatch tables for AML-to-resource (Get Resource) conversion functions */ @@ -94,7 +97,7 @@ struct acpi_rsconvert_info *acpi_gbl_get_resource_dispatch[] = { acpi_rs_convert_end_dpf, /* 0x07, ACPI_RESOURCE_NAME_END_DEPENDENT */ acpi_rs_convert_io, /* 0x08, ACPI_RESOURCE_NAME_IO */ acpi_rs_convert_fixed_io, /* 0x09, ACPI_RESOURCE_NAME_FIXED_IO */ - NULL, /* 0x0A, Reserved */ + acpi_rs_convert_fixed_dma, /* 0x0A, ACPI_RESOURCE_NAME_FIXED_DMA */ NULL, /* 0x0B, Reserved */ NULL, /* 0x0C, Reserved */ NULL, /* 0x0D, Reserved */ @@ -114,7 +117,19 @@ struct acpi_rsconvert_info *acpi_gbl_get_resource_dispatch[] = { acpi_rs_convert_address16, /* 0x08, ACPI_RESOURCE_NAME_ADDRESS16 */ acpi_rs_convert_ext_irq, /* 0x09, ACPI_RESOURCE_NAME_EXTENDED_IRQ */ acpi_rs_convert_address64, /* 0x0A, ACPI_RESOURCE_NAME_ADDRESS64 */ - acpi_rs_convert_ext_address64 /* 0x0B, ACPI_RESOURCE_NAME_EXTENDED_ADDRESS64 */ + acpi_rs_convert_ext_address64, /* 0x0B, ACPI_RESOURCE_NAME_EXTENDED_ADDRESS64 */ + acpi_rs_convert_gpio, /* 0x0C, ACPI_RESOURCE_NAME_GPIO */ + NULL, /* 0x0D, Reserved */ + NULL, /* 0x0E, ACPI_RESOURCE_NAME_SERIAL_BUS - Use subtype table below */ +}; + +/* Subtype table for serial_bus -- I2C, SPI, and UART */ + +struct acpi_rsconvert_info *acpi_gbl_convert_resource_serial_bus_dispatch[] = { + NULL, + acpi_rs_convert_i2c_serial_bus, + acpi_rs_convert_spi_serial_bus, + acpi_rs_convert_uart_serial_bus, }; #ifdef ACPI_FUTURE_USAGE @@ -140,6 +155,16 @@ struct acpi_rsdump_info *acpi_gbl_dump_resource_dispatch[] = { acpi_rs_dump_ext_address64, /* ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64 */ acpi_rs_dump_ext_irq, /* ACPI_RESOURCE_TYPE_EXTENDED_IRQ */ acpi_rs_dump_generic_reg, /* ACPI_RESOURCE_TYPE_GENERIC_REGISTER */ + acpi_rs_dump_gpio, /* ACPI_RESOURCE_TYPE_GPIO */ + acpi_rs_dump_fixed_dma, /* ACPI_RESOURCE_TYPE_FIXED_DMA */ + NULL, /* ACPI_RESOURCE_TYPE_SERIAL_BUS */ +}; + +struct acpi_rsdump_info *acpi_gbl_dump_serial_bus_dispatch[] = { + NULL, + acpi_rs_dump_i2c_serial_bus, /* AML_RESOURCE_I2C_BUS_TYPE */ + acpi_rs_dump_spi_serial_bus, /* AML_RESOURCE_SPI_BUS_TYPE */ + acpi_rs_dump_uart_serial_bus, /* AML_RESOURCE_UART_BUS_TYPE */ }; #endif @@ -166,7 +191,10 @@ const u8 acpi_gbl_aml_resource_sizes[] = { sizeof(struct aml_resource_address64), /* ACPI_RESOURCE_TYPE_ADDRESS64 */ sizeof(struct aml_resource_extended_address64), /*ACPI_RESOURCE_TYPE_EXTENDED_ADDRESS64 */ sizeof(struct aml_resource_extended_irq), /* ACPI_RESOURCE_TYPE_EXTENDED_IRQ */ - sizeof(struct aml_resource_generic_register) /* ACPI_RESOURCE_TYPE_GENERIC_REGISTER */ + sizeof(struct aml_resource_generic_register), /* ACPI_RESOURCE_TYPE_GENERIC_REGISTER */ + sizeof(struct aml_resource_gpio), /* ACPI_RESOURCE_TYPE_GPIO */ + sizeof(struct aml_resource_fixed_dma), /* ACPI_RESOURCE_TYPE_FIXED_DMA */ + sizeof(struct aml_resource_common_serialbus), /* ACPI_RESOURCE_TYPE_SERIAL_BUS */ }; const u8 acpi_gbl_resource_struct_sizes[] = { @@ -182,7 +210,7 @@ const u8 acpi_gbl_resource_struct_sizes[] = { ACPI_RS_SIZE_MIN, ACPI_RS_SIZE(struct acpi_resource_io), ACPI_RS_SIZE(struct acpi_resource_fixed_io), - 0, + ACPI_RS_SIZE(struct acpi_resource_fixed_dma), 0, 0, 0, @@ -202,5 +230,21 @@ const u8 acpi_gbl_resource_struct_sizes[] = { ACPI_RS_SIZE(struct acpi_resource_address16), ACPI_RS_SIZE(struct acpi_resource_extended_irq), ACPI_RS_SIZE(struct acpi_resource_address64), - ACPI_RS_SIZE(struct acpi_resource_extended_address64) + ACPI_RS_SIZE(struct acpi_resource_extended_address64), + ACPI_RS_SIZE(struct acpi_resource_gpio), + ACPI_RS_SIZE(struct acpi_resource_common_serialbus) +}; + +const u8 acpi_gbl_aml_resource_serial_bus_sizes[] = { + 0, + sizeof(struct aml_resource_i2c_serialbus), + sizeof(struct aml_resource_spi_serialbus), + sizeof(struct aml_resource_uart_serialbus), +}; + +const u8 acpi_gbl_resource_struct_serial_bus_sizes[] = { + 0, + ACPI_RS_SIZE(struct acpi_resource_i2c_serialbus), + ACPI_RS_SIZE(struct acpi_resource_spi_serialbus), + ACPI_RS_SIZE(struct acpi_resource_uart_serialbus), }; diff --git a/drivers/acpi/acpica/rsio.c b/drivers/acpi/acpica/rsio.c index 0c7efef008be..f6a081057a22 100644 --- a/drivers/acpi/acpica/rsio.c +++ b/drivers/acpi/acpica/rsio.c @@ -5,7 +5,7 @@ ******************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/acpica/rsirq.c b/drivers/acpi/acpica/rsirq.c index 50b8ad211167..e23a9ec248cb 100644 --- a/drivers/acpi/acpica/rsirq.c +++ b/drivers/acpi/acpica/rsirq.c @@ -5,7 +5,7 @@ ******************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -264,3 +264,34 @@ struct acpi_rsconvert_info acpi_rs_convert_dma[6] = { AML_OFFSET(dma.dma_channel_mask), ACPI_RS_OFFSET(data.dma.channel_count)} }; + +/******************************************************************************* + * + * acpi_rs_convert_fixed_dma + * + ******************************************************************************/ + +struct acpi_rsconvert_info acpi_rs_convert_fixed_dma[4] = { + {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_FIXED_DMA, + ACPI_RS_SIZE(struct acpi_resource_fixed_dma), + ACPI_RSC_TABLE_SIZE(acpi_rs_convert_fixed_dma)}, + + {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_FIXED_DMA, + sizeof(struct aml_resource_fixed_dma), + 0}, + + /* + * These fields are contiguous in both the source and destination: + * request_lines + * Channels + */ + + {ACPI_RSC_MOVE16, ACPI_RS_OFFSET(data.fixed_dma.request_lines), + AML_OFFSET(fixed_dma.request_lines), + 2}, + + {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.fixed_dma.width), + AML_OFFSET(fixed_dma.width), + 1}, + +}; diff --git a/drivers/acpi/acpica/rslist.c b/drivers/acpi/acpica/rslist.c index 1bfcef736c50..9be129f5d6f4 100644 --- a/drivers/acpi/acpica/rslist.c +++ b/drivers/acpi/acpica/rslist.c @@ -5,7 +5,7 @@ ******************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -70,6 +70,8 @@ acpi_rs_convert_aml_to_resources(u8 * aml, struct acpi_resource **resource_ptr = ACPI_CAST_INDIRECT_PTR(struct acpi_resource, context); struct acpi_resource *resource; + union aml_resource *aml_resource; + struct acpi_rsconvert_info *conversion_table; acpi_status status; ACPI_FUNCTION_TRACE(rs_convert_aml_to_resources); @@ -84,14 +86,37 @@ acpi_rs_convert_aml_to_resources(u8 * aml, "Misaligned resource pointer %p", resource)); } + /* Get the appropriate conversion info table */ + + aml_resource = ACPI_CAST_PTR(union aml_resource, aml); + if (acpi_ut_get_resource_type(aml) == ACPI_RESOURCE_NAME_SERIAL_BUS) { + if (aml_resource->common_serial_bus.type > + AML_RESOURCE_MAX_SERIALBUSTYPE) { + conversion_table = NULL; + } else { + /* This is an I2C, SPI, or UART serial_bus descriptor */ + + conversion_table = + acpi_gbl_convert_resource_serial_bus_dispatch + [aml_resource->common_serial_bus.type]; + } + } else { + conversion_table = + acpi_gbl_get_resource_dispatch[resource_index]; + } + + if (!conversion_table) { + ACPI_ERROR((AE_INFO, + "Invalid/unsupported resource descriptor: Type 0x%2.2X", + resource_index)); + return (AE_AML_INVALID_RESOURCE_TYPE); + } + /* Convert the AML byte stream resource to a local resource struct */ status = - acpi_rs_convert_aml_to_resource(resource, - ACPI_CAST_PTR(union aml_resource, - aml), - acpi_gbl_get_resource_dispatch - [resource_index]); + acpi_rs_convert_aml_to_resource(resource, aml_resource, + conversion_table); if (ACPI_FAILURE(status)) { ACPI_EXCEPTION((AE_INFO, status, "Could not convert AML resource (Type 0x%X)", @@ -106,7 +131,7 @@ acpi_rs_convert_aml_to_resources(u8 * aml, /* Point to the next structure in the output buffer */ - *resource_ptr = ACPI_ADD_PTR(void, resource, resource->length); + *resource_ptr = ACPI_NEXT_RESOURCE(resource); return_ACPI_STATUS(AE_OK); } @@ -135,6 +160,7 @@ acpi_rs_convert_resources_to_aml(struct acpi_resource *resource, { u8 *aml = output_buffer; u8 *end_aml = output_buffer + aml_size_needed; + struct acpi_rsconvert_info *conversion_table; acpi_status status; ACPI_FUNCTION_TRACE(rs_convert_resources_to_aml); @@ -154,11 +180,34 @@ acpi_rs_convert_resources_to_aml(struct acpi_resource *resource, /* Perform the conversion */ - status = acpi_rs_convert_resource_to_aml(resource, ACPI_CAST_PTR(union - aml_resource, - aml), - acpi_gbl_set_resource_dispatch - [resource->type]); + if (resource->type == ACPI_RESOURCE_TYPE_SERIAL_BUS) { + if (resource->data.common_serial_bus.type > + AML_RESOURCE_MAX_SERIALBUSTYPE) { + conversion_table = NULL; + } else { + /* This is an I2C, SPI, or UART serial_bus descriptor */ + + conversion_table = + acpi_gbl_convert_resource_serial_bus_dispatch + [resource->data.common_serial_bus.type]; + } + } else { + conversion_table = + acpi_gbl_set_resource_dispatch[resource->type]; + } + + if (!conversion_table) { + ACPI_ERROR((AE_INFO, + "Invalid/unsupported resource descriptor: Type 0x%2.2X", + resource->type)); + return (AE_AML_INVALID_RESOURCE_TYPE); + } + + status = acpi_rs_convert_resource_to_aml(resource, + ACPI_CAST_PTR(union + aml_resource, + aml), + conversion_table); if (ACPI_FAILURE(status)) { ACPI_EXCEPTION((AE_INFO, status, "Could not convert resource (type 0x%X) to AML", @@ -192,9 +241,7 @@ acpi_rs_convert_resources_to_aml(struct acpi_resource *resource, /* Point to the next input resource descriptor */ - resource = - ACPI_ADD_PTR(struct acpi_resource, resource, - resource->length); + resource = ACPI_NEXT_RESOURCE(resource); } /* Completed buffer, but did not find an end_tag resource descriptor */ diff --git a/drivers/acpi/acpica/rsmemory.c b/drivers/acpi/acpica/rsmemory.c index 7cc6d8625f1e..4fd611ad02b4 100644 --- a/drivers/acpi/acpica/rsmemory.c +++ b/drivers/acpi/acpica/rsmemory.c @@ -5,7 +5,7 @@ ******************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/acpica/rsmisc.c b/drivers/acpi/acpica/rsmisc.c index 410264b22a29..8073b371cc7c 100644 --- a/drivers/acpi/acpica/rsmisc.c +++ b/drivers/acpi/acpica/rsmisc.c @@ -5,7 +5,7 @@ ******************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -83,6 +83,10 @@ acpi_rs_convert_aml_to_resource(struct acpi_resource *resource, ACPI_FUNCTION_TRACE(rs_convert_aml_to_resource); + if (!info) { + return_ACPI_STATUS(AE_BAD_PARAMETER); + } + if (((acpi_size) resource) & 0x3) { /* Each internal resource struct is expected to be 32-bit aligned */ @@ -101,7 +105,6 @@ acpi_rs_convert_aml_to_resource(struct acpi_resource *resource, * table length (# of table entries) */ count = INIT_TABLE_LENGTH(info); - while (count) { /* * Source is the external AML byte stream buffer, @@ -145,6 +148,14 @@ acpi_rs_convert_aml_to_resource(struct acpi_resource *resource, ((ACPI_GET8(source) >> info->value) & 0x03); break; + case ACPI_RSC_3BITFLAG: + /* + * Mask and shift the flag bits + */ + ACPI_SET8(destination) = (u8) + ((ACPI_GET8(source) >> info->value) & 0x07); + break; + case ACPI_RSC_COUNT: item_count = ACPI_GET8(source); @@ -163,6 +174,69 @@ acpi_rs_convert_aml_to_resource(struct acpi_resource *resource, (info->value * (item_count - 1)); break; + case ACPI_RSC_COUNT_GPIO_PIN: + + target = ACPI_ADD_PTR(void, aml, info->value); + item_count = ACPI_GET16(target) - ACPI_GET16(source); + + resource->length = resource->length + item_count; + item_count = item_count / 2; + ACPI_SET16(destination) = item_count; + break; + + case ACPI_RSC_COUNT_GPIO_VEN: + + item_count = ACPI_GET8(source); + ACPI_SET8(destination) = (u8)item_count; + + resource->length = resource->length + + (info->value * item_count); + break; + + case ACPI_RSC_COUNT_GPIO_RES: + + /* + * Vendor data is optional (length/offset may both be zero) + * Examine vendor data length field first + */ + target = ACPI_ADD_PTR(void, aml, (info->value + 2)); + if (ACPI_GET16(target)) { + + /* Use vendor offset to get resource source length */ + + target = ACPI_ADD_PTR(void, aml, info->value); + item_count = + ACPI_GET16(target) - ACPI_GET16(source); + } else { + /* No vendor data to worry about */ + + item_count = aml->large_header.resource_length + + sizeof(struct aml_resource_large_header) - + ACPI_GET16(source); + } + + resource->length = resource->length + item_count; + ACPI_SET16(destination) = item_count; + break; + + case ACPI_RSC_COUNT_SERIAL_VEN: + + item_count = ACPI_GET16(source) - info->value; + + resource->length = resource->length + item_count; + ACPI_SET16(destination) = item_count; + break; + + case ACPI_RSC_COUNT_SERIAL_RES: + + item_count = (aml_resource_length + + sizeof(struct aml_resource_large_header)) + - ACPI_GET16(source) - info->value; + + resource->length = resource->length + item_count; + ACPI_SET16(destination) = item_count; + break; + case ACPI_RSC_LENGTH: resource->length = resource->length + info->value; @@ -183,6 +257,72 @@ acpi_rs_convert_aml_to_resource(struct acpi_resource *resource, info->opcode); break; + case ACPI_RSC_MOVE_GPIO_PIN: + + /* Generate and set the PIN data pointer */ + + target = (char *)ACPI_ADD_PTR(void, resource, + (resource->length - + item_count * 2)); + *(u16 **)destination = ACPI_CAST_PTR(u16, target); + + /* Copy the PIN data */ + + source = ACPI_ADD_PTR(void, aml, ACPI_GET16(source)); + acpi_rs_move_data(target, source, item_count, + info->opcode); + break; + + case ACPI_RSC_MOVE_GPIO_RES: + + /* Generate and set the resource_source string pointer */ + + target = (char *)ACPI_ADD_PTR(void, resource, + (resource->length - + item_count)); + *(u8 **)destination = ACPI_CAST_PTR(u8, target); + + /* Copy the resource_source string */ + + source = ACPI_ADD_PTR(void, aml, ACPI_GET16(source)); + acpi_rs_move_data(target, source, item_count, + info->opcode); + break; + + case ACPI_RSC_MOVE_SERIAL_VEN: + + /* Generate and set the Vendor Data pointer */ + + target = (char *)ACPI_ADD_PTR(void, resource, + (resource->length - + item_count)); + *(u8 **)destination = ACPI_CAST_PTR(u8, target); + + /* Copy the Vendor Data */ + + source = ACPI_ADD_PTR(void, aml, info->value); + acpi_rs_move_data(target, source, item_count, + info->opcode); + break; + + case ACPI_RSC_MOVE_SERIAL_RES: + + /* Generate and set the resource_source string pointer */ + + target = (char *)ACPI_ADD_PTR(void, resource, + (resource->length - + item_count)); + *(u8 **)destination = ACPI_CAST_PTR(u8, target); + + /* Copy the resource_source string */ + + source = + ACPI_ADD_PTR(void, aml, + (ACPI_GET16(source) + info->value)); + acpi_rs_move_data(target, source, item_count, + info->opcode); + break; + case ACPI_RSC_SET8: ACPI_MEMSET(destination, info->aml_offset, info->value); @@ -219,13 +359,18 @@ acpi_rs_convert_aml_to_resource(struct acpi_resource *resource, * Optional resource_source (Index and String). This is the more * complicated case used by the Interrupt() macro */ - target = - ACPI_ADD_PTR(char, resource, - info->aml_offset + (item_count * 4)); + target = ACPI_ADD_PTR(char, resource, + info->aml_offset + + (item_count * 4)); resource->length += acpi_rs_get_resource_source(aml_resource_length, - (acpi_rs_length) (((item_count - 1) * sizeof(u32)) + info->value), destination, aml, target); + (acpi_rs_length) + (((item_count - + 1) * sizeof(u32)) + + info->value), + destination, aml, + target); break; case ACPI_RSC_BITMASK: @@ -327,6 +472,7 @@ acpi_rs_convert_resource_to_aml(struct acpi_resource *resource, { void *source = NULL; void *destination; + char *target; acpi_rsdesc_size aml_length = 0; u8 count; u16 temp16 = 0; @@ -334,6 +480,10 @@ acpi_rs_convert_resource_to_aml(struct acpi_resource *resource, ACPI_FUNCTION_TRACE(rs_convert_resource_to_aml); + if (!info) { + return_ACPI_STATUS(AE_BAD_PARAMETER); + } + /* * First table entry must be ACPI_RSC_INITxxx and must contain the * table length (# of table entries) @@ -383,6 +533,14 @@ acpi_rs_convert_resource_to_aml(struct acpi_resource *resource, ((ACPI_GET8(source) & 0x03) << info->value); break; + case ACPI_RSC_3BITFLAG: + /* + * Mask and shift the flag bits + */ + ACPI_SET8(destination) |= (u8) + ((ACPI_GET8(source) & 0x07) << info->value); + break; + case ACPI_RSC_COUNT: item_count = ACPI_GET8(source); @@ -400,6 +558,63 @@ acpi_rs_convert_resource_to_aml(struct acpi_resource *resource, acpi_rs_set_resource_length(aml_length, aml); break; + case ACPI_RSC_COUNT_GPIO_PIN: + + item_count = ACPI_GET16(source); + ACPI_SET16(destination) = (u16)aml_length; + + aml_length = (u16)(aml_length + item_count * 2); + target = ACPI_ADD_PTR(void, aml, info->value); + ACPI_SET16(target) = (u16)aml_length; + acpi_rs_set_resource_length(aml_length, aml); + break; + + case ACPI_RSC_COUNT_GPIO_VEN: + + item_count = ACPI_GET16(source); + ACPI_SET16(destination) = (u16)item_count; + + aml_length = + (u16)(aml_length + (info->value * item_count)); + acpi_rs_set_resource_length(aml_length, aml); + break; + + case ACPI_RSC_COUNT_GPIO_RES: + + /* Set resource source string length */ + + item_count = ACPI_GET16(source); + ACPI_SET16(destination) = (u16)aml_length; + + /* Compute offset for the Vendor Data */ + + aml_length = (u16)(aml_length + item_count); + target = ACPI_ADD_PTR(void, aml, info->value); + + /* Set vendor offset only if there is vendor data */ + + if (resource->data.gpio.vendor_length) { + ACPI_SET16(target) = (u16)aml_length; + } + + acpi_rs_set_resource_length(aml_length, aml); + break; + + case ACPI_RSC_COUNT_SERIAL_VEN: + + item_count = ACPI_GET16(source); + ACPI_SET16(destination) = item_count + info->value; + aml_length = (u16)(aml_length + item_count); + acpi_rs_set_resource_length(aml_length, aml); + break; + + case ACPI_RSC_COUNT_SERIAL_RES: + + item_count = ACPI_GET16(source); + aml_length = (u16)(aml_length + item_count); + acpi_rs_set_resource_length(aml_length, aml); + break; + case ACPI_RSC_LENGTH: acpi_rs_set_resource_length(info->value, aml); @@ -417,6 +632,48 @@ acpi_rs_convert_resource_to_aml(struct acpi_resource *resource, info->opcode); break; + case ACPI_RSC_MOVE_GPIO_PIN: + + destination = (char *)ACPI_ADD_PTR(void, aml, + ACPI_GET16 + (destination)); + source = *(u16 **)source; + acpi_rs_move_data(destination, source, item_count, + info->opcode); + break; + + case ACPI_RSC_MOVE_GPIO_RES: + + /* Used for both resource_source string and vendor_data */ + + destination = (char *)ACPI_ADD_PTR(void, aml, + ACPI_GET16 + (destination)); + source = *(u8 **)source; + acpi_rs_move_data(destination, source, item_count, + info->opcode); + break; + + case ACPI_RSC_MOVE_SERIAL_VEN: + + destination = (char *)ACPI_ADD_PTR(void, aml, + (aml_length - + item_count)); + source = *(u8 **)source; + acpi_rs_move_data(destination, source, item_count, + info->opcode); + break; + + case ACPI_RSC_MOVE_SERIAL_RES: + + destination = (char *)ACPI_ADD_PTR(void, aml, + (aml_length - + item_count)); + source = *(u8 **)source; + acpi_rs_move_data(destination, source, item_count, + info->opcode); + break; + case ACPI_RSC_ADDRESS: /* Set the Resource Type, General Flags, and Type-Specific Flags */ diff --git a/drivers/acpi/acpica/rsserial.c b/drivers/acpi/acpica/rsserial.c new file mode 100644 index 000000000000..9aa5e689b444 --- /dev/null +++ b/drivers/acpi/acpica/rsserial.c @@ -0,0 +1,441 @@ +/******************************************************************************* + * + * Module Name: rsserial - GPIO/serial_bus resource descriptors + * + ******************************************************************************/ + +/* + * Copyright (C) 2000 - 2012, Intel Corp. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions, and the following disclaimer, + * without modification. + * 2. Redistributions in binary form must reproduce at minimum a disclaimer + * substantially similar to the "NO WARRANTY" disclaimer below + * ("Disclaimer") and any redistribution must be conditioned upon + * including a substantially similar Disclaimer requirement for further + * binary redistribution. + * 3. Neither the names of the above-listed copyright holders nor the names + * of any contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * Alternatively, this software may be distributed under the terms of the + * GNU General Public License ("GPL") version 2 as published by the Free + * Software Foundation. + * + * NO WARRANTY + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING + * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGES. + */ + +#include <acpi/acpi.h> +#include "accommon.h" +#include "acresrc.h" + +#define _COMPONENT ACPI_RESOURCES +ACPI_MODULE_NAME("rsserial") + +/******************************************************************************* + * + * acpi_rs_convert_gpio + * + ******************************************************************************/ +struct acpi_rsconvert_info acpi_rs_convert_gpio[17] = { + {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_GPIO, + ACPI_RS_SIZE(struct acpi_resource_gpio), + ACPI_RSC_TABLE_SIZE(acpi_rs_convert_gpio)}, + + {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_GPIO, + sizeof(struct aml_resource_gpio), + 0}, + + /* + * These fields are contiguous in both the source and destination: + * revision_id + * connection_type + */ + {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.gpio.revision_id), + AML_OFFSET(gpio.revision_id), + 2}, + + {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.gpio.producer_consumer), + AML_OFFSET(gpio.flags), + 0}, + + {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET(data.gpio.sharable), + AML_OFFSET(gpio.int_flags), + 3}, + + {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET(data.gpio.io_restriction), + AML_OFFSET(gpio.int_flags), + 0}, + + {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.gpio.triggering), + AML_OFFSET(gpio.int_flags), + 0}, + + {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET(data.gpio.polarity), + AML_OFFSET(gpio.int_flags), + 1}, + + {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.gpio.pin_config), + AML_OFFSET(gpio.pin_config), + 1}, + + /* + * These fields are contiguous in both the source and destination: + * drive_strength + * debounce_timeout + */ + {ACPI_RSC_MOVE16, ACPI_RS_OFFSET(data.gpio.drive_strength), + AML_OFFSET(gpio.drive_strength), + 2}, + + /* Pin Table */ + + {ACPI_RSC_COUNT_GPIO_PIN, ACPI_RS_OFFSET(data.gpio.pin_table_length), + AML_OFFSET(gpio.pin_table_offset), + AML_OFFSET(gpio.res_source_offset)}, + + {ACPI_RSC_MOVE_GPIO_PIN, ACPI_RS_OFFSET(data.gpio.pin_table), + AML_OFFSET(gpio.pin_table_offset), + 0}, + + /* Resource Source */ + + {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.gpio.resource_source.index), + AML_OFFSET(gpio.res_source_index), + 1}, + + {ACPI_RSC_COUNT_GPIO_RES, + ACPI_RS_OFFSET(data.gpio.resource_source.string_length), + AML_OFFSET(gpio.res_source_offset), + AML_OFFSET(gpio.vendor_offset)}, + + {ACPI_RSC_MOVE_GPIO_RES, + ACPI_RS_OFFSET(data.gpio.resource_source.string_ptr), + AML_OFFSET(gpio.res_source_offset), + 0}, + + /* Vendor Data */ + + {ACPI_RSC_COUNT_GPIO_VEN, ACPI_RS_OFFSET(data.gpio.vendor_length), + AML_OFFSET(gpio.vendor_length), + 1}, + + {ACPI_RSC_MOVE_GPIO_RES, ACPI_RS_OFFSET(data.gpio.vendor_data), + AML_OFFSET(gpio.vendor_offset), + 0}, +}; + +/******************************************************************************* + * + * acpi_rs_convert_i2c_serial_bus + * + ******************************************************************************/ + +struct acpi_rsconvert_info acpi_rs_convert_i2c_serial_bus[16] = { + {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_SERIAL_BUS, + ACPI_RS_SIZE(struct acpi_resource_i2c_serialbus), + ACPI_RSC_TABLE_SIZE(acpi_rs_convert_i2c_serial_bus)}, + + {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_SERIAL_BUS, + sizeof(struct aml_resource_i2c_serialbus), + 0}, + + {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.common_serial_bus.revision_id), + AML_OFFSET(common_serial_bus.revision_id), + 1}, + + {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.common_serial_bus.type), + AML_OFFSET(common_serial_bus.type), + 1}, + + {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.common_serial_bus.slave_mode), + AML_OFFSET(common_serial_bus.flags), + 0}, + + {ACPI_RSC_1BITFLAG, + ACPI_RS_OFFSET(data.common_serial_bus.producer_consumer), + AML_OFFSET(common_serial_bus.flags), + 1}, + + {ACPI_RSC_MOVE8, + ACPI_RS_OFFSET(data.common_serial_bus.type_revision_id), + AML_OFFSET(common_serial_bus.type_revision_id), + 1}, + + {ACPI_RSC_MOVE16, + ACPI_RS_OFFSET(data.common_serial_bus.type_data_length), + AML_OFFSET(common_serial_bus.type_data_length), + 1}, + + /* Vendor data */ + + {ACPI_RSC_COUNT_SERIAL_VEN, + ACPI_RS_OFFSET(data.common_serial_bus.vendor_length), + AML_OFFSET(common_serial_bus.type_data_length), + AML_RESOURCE_I2C_MIN_DATA_LEN}, + + {ACPI_RSC_MOVE_SERIAL_VEN, + ACPI_RS_OFFSET(data.common_serial_bus.vendor_data), + 0, + sizeof(struct aml_resource_i2c_serialbus)}, + + /* Resource Source */ + + {ACPI_RSC_MOVE8, + ACPI_RS_OFFSET(data.common_serial_bus.resource_source.index), + AML_OFFSET(common_serial_bus.res_source_index), + 1}, + + {ACPI_RSC_COUNT_SERIAL_RES, + ACPI_RS_OFFSET(data.common_serial_bus.resource_source.string_length), + AML_OFFSET(common_serial_bus.type_data_length), + sizeof(struct aml_resource_common_serialbus)}, + + {ACPI_RSC_MOVE_SERIAL_RES, + ACPI_RS_OFFSET(data.common_serial_bus.resource_source.string_ptr), + AML_OFFSET(common_serial_bus.type_data_length), + sizeof(struct aml_resource_common_serialbus)}, + + /* I2C bus type specific */ + + {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.i2c_serial_bus.access_mode), + AML_OFFSET(i2c_serial_bus.type_specific_flags), + 0}, + + {ACPI_RSC_MOVE32, ACPI_RS_OFFSET(data.i2c_serial_bus.connection_speed), + AML_OFFSET(i2c_serial_bus.connection_speed), + 1}, + + {ACPI_RSC_MOVE16, ACPI_RS_OFFSET(data.i2c_serial_bus.slave_address), + AML_OFFSET(i2c_serial_bus.slave_address), + 1}, +}; + +/******************************************************************************* + * + * acpi_rs_convert_spi_serial_bus + * + ******************************************************************************/ + +struct acpi_rsconvert_info acpi_rs_convert_spi_serial_bus[20] = { + {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_SERIAL_BUS, + ACPI_RS_SIZE(struct acpi_resource_spi_serialbus), + ACPI_RSC_TABLE_SIZE(acpi_rs_convert_spi_serial_bus)}, + + {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_SERIAL_BUS, + sizeof(struct aml_resource_spi_serialbus), + 0}, + + {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.common_serial_bus.revision_id), + AML_OFFSET(common_serial_bus.revision_id), + 1}, + + {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.common_serial_bus.type), + AML_OFFSET(common_serial_bus.type), + 1}, + + {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.common_serial_bus.slave_mode), + AML_OFFSET(common_serial_bus.flags), + 0}, + + {ACPI_RSC_1BITFLAG, + ACPI_RS_OFFSET(data.common_serial_bus.producer_consumer), + AML_OFFSET(common_serial_bus.flags), + 1}, + + {ACPI_RSC_MOVE8, + ACPI_RS_OFFSET(data.common_serial_bus.type_revision_id), + AML_OFFSET(common_serial_bus.type_revision_id), + 1}, + + {ACPI_RSC_MOVE16, + ACPI_RS_OFFSET(data.common_serial_bus.type_data_length), + AML_OFFSET(common_serial_bus.type_data_length), + 1}, + + /* Vendor data */ + + {ACPI_RSC_COUNT_SERIAL_VEN, + ACPI_RS_OFFSET(data.common_serial_bus.vendor_length), + AML_OFFSET(common_serial_bus.type_data_length), + AML_RESOURCE_SPI_MIN_DATA_LEN}, + + {ACPI_RSC_MOVE_SERIAL_VEN, + ACPI_RS_OFFSET(data.common_serial_bus.vendor_data), + 0, + sizeof(struct aml_resource_spi_serialbus)}, + + /* Resource Source */ + + {ACPI_RSC_MOVE8, + ACPI_RS_OFFSET(data.common_serial_bus.resource_source.index), + AML_OFFSET(common_serial_bus.res_source_index), + 1}, + + {ACPI_RSC_COUNT_SERIAL_RES, + ACPI_RS_OFFSET(data.common_serial_bus.resource_source.string_length), + AML_OFFSET(common_serial_bus.type_data_length), + sizeof(struct aml_resource_common_serialbus)}, + + {ACPI_RSC_MOVE_SERIAL_RES, + ACPI_RS_OFFSET(data.common_serial_bus.resource_source.string_ptr), + AML_OFFSET(common_serial_bus.type_data_length), + sizeof(struct aml_resource_common_serialbus)}, + + /* Spi bus type specific */ + + {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.spi_serial_bus.wire_mode), + AML_OFFSET(spi_serial_bus.type_specific_flags), + 0}, + + {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.spi_serial_bus.device_polarity), + AML_OFFSET(spi_serial_bus.type_specific_flags), + 1}, + + {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.spi_serial_bus.data_bit_length), + AML_OFFSET(spi_serial_bus.data_bit_length), + 1}, + + {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.spi_serial_bus.clock_phase), + AML_OFFSET(spi_serial_bus.clock_phase), + 1}, + + {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.spi_serial_bus.clock_polarity), + AML_OFFSET(spi_serial_bus.clock_polarity), + 1}, + + {ACPI_RSC_MOVE16, ACPI_RS_OFFSET(data.spi_serial_bus.device_selection), + AML_OFFSET(spi_serial_bus.device_selection), + 1}, + + {ACPI_RSC_MOVE32, ACPI_RS_OFFSET(data.spi_serial_bus.connection_speed), + AML_OFFSET(spi_serial_bus.connection_speed), + 1}, +}; + +/******************************************************************************* + * + * acpi_rs_convert_uart_serial_bus + * + ******************************************************************************/ + +struct acpi_rsconvert_info acpi_rs_convert_uart_serial_bus[22] = { + {ACPI_RSC_INITGET, ACPI_RESOURCE_TYPE_SERIAL_BUS, + ACPI_RS_SIZE(struct acpi_resource_uart_serialbus), + ACPI_RSC_TABLE_SIZE(acpi_rs_convert_uart_serial_bus)}, + + {ACPI_RSC_INITSET, ACPI_RESOURCE_NAME_SERIAL_BUS, + sizeof(struct aml_resource_uart_serialbus), + 0}, + + {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.common_serial_bus.revision_id), + AML_OFFSET(common_serial_bus.revision_id), + 1}, + + {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.common_serial_bus.type), + AML_OFFSET(common_serial_bus.type), + 1}, + + {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.common_serial_bus.slave_mode), + AML_OFFSET(common_serial_bus.flags), + 0}, + + {ACPI_RSC_1BITFLAG, + ACPI_RS_OFFSET(data.common_serial_bus.producer_consumer), + AML_OFFSET(common_serial_bus.flags), + 1}, + + {ACPI_RSC_MOVE8, + ACPI_RS_OFFSET(data.common_serial_bus.type_revision_id), + AML_OFFSET(common_serial_bus.type_revision_id), + 1}, + + {ACPI_RSC_MOVE16, + ACPI_RS_OFFSET(data.common_serial_bus.type_data_length), + AML_OFFSET(common_serial_bus.type_data_length), + 1}, + + /* Vendor data */ + + {ACPI_RSC_COUNT_SERIAL_VEN, + ACPI_RS_OFFSET(data.common_serial_bus.vendor_length), + AML_OFFSET(common_serial_bus.type_data_length), + AML_RESOURCE_UART_MIN_DATA_LEN}, + + {ACPI_RSC_MOVE_SERIAL_VEN, + ACPI_RS_OFFSET(data.common_serial_bus.vendor_data), + 0, + sizeof(struct aml_resource_uart_serialbus)}, + + /* Resource Source */ + + {ACPI_RSC_MOVE8, + ACPI_RS_OFFSET(data.common_serial_bus.resource_source.index), + AML_OFFSET(common_serial_bus.res_source_index), + 1}, + + {ACPI_RSC_COUNT_SERIAL_RES, + ACPI_RS_OFFSET(data.common_serial_bus.resource_source.string_length), + AML_OFFSET(common_serial_bus.type_data_length), + sizeof(struct aml_resource_common_serialbus)}, + + {ACPI_RSC_MOVE_SERIAL_RES, + ACPI_RS_OFFSET(data.common_serial_bus.resource_source.string_ptr), + AML_OFFSET(common_serial_bus.type_data_length), + sizeof(struct aml_resource_common_serialbus)}, + + /* Uart bus type specific */ + + {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET(data.uart_serial_bus.flow_control), + AML_OFFSET(uart_serial_bus.type_specific_flags), + 0}, + + {ACPI_RSC_2BITFLAG, ACPI_RS_OFFSET(data.uart_serial_bus.stop_bits), + AML_OFFSET(uart_serial_bus.type_specific_flags), + 2}, + + {ACPI_RSC_3BITFLAG, ACPI_RS_OFFSET(data.uart_serial_bus.data_bits), + AML_OFFSET(uart_serial_bus.type_specific_flags), + 4}, + + {ACPI_RSC_1BITFLAG, ACPI_RS_OFFSET(data.uart_serial_bus.endian), + AML_OFFSET(uart_serial_bus.type_specific_flags), + 7}, + + {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.uart_serial_bus.parity), + AML_OFFSET(uart_serial_bus.parity), + 1}, + + {ACPI_RSC_MOVE8, ACPI_RS_OFFSET(data.uart_serial_bus.lines_enabled), + AML_OFFSET(uart_serial_bus.lines_enabled), + 1}, + + {ACPI_RSC_MOVE16, ACPI_RS_OFFSET(data.uart_serial_bus.rx_fifo_size), + AML_OFFSET(uart_serial_bus.rx_fifo_size), + 1}, + + {ACPI_RSC_MOVE16, ACPI_RS_OFFSET(data.uart_serial_bus.tx_fifo_size), + AML_OFFSET(uart_serial_bus.tx_fifo_size), + 1}, + + {ACPI_RSC_MOVE32, + ACPI_RS_OFFSET(data.uart_serial_bus.default_baud_rate), + AML_OFFSET(uart_serial_bus.default_baud_rate), + 1}, +}; diff --git a/drivers/acpi/acpica/rsutils.c b/drivers/acpi/acpica/rsutils.c index 231811e56939..433a375deb93 100644 --- a/drivers/acpi/acpica/rsutils.c +++ b/drivers/acpi/acpica/rsutils.c @@ -5,7 +5,7 @@ ******************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -144,6 +144,9 @@ acpi_rs_move_data(void *destination, void *source, u16 item_count, u8 move_type) * since there are no alignment or endian issues */ case ACPI_RSC_MOVE8: + case ACPI_RSC_MOVE_GPIO_RES: + case ACPI_RSC_MOVE_SERIAL_VEN: + case ACPI_RSC_MOVE_SERIAL_RES: ACPI_MEMCPY(destination, source, item_count); return; @@ -153,6 +156,7 @@ acpi_rs_move_data(void *destination, void *source, u16 item_count, u8 move_type) * misaligned memory transfers */ case ACPI_RSC_MOVE16: + case ACPI_RSC_MOVE_GPIO_PIN: ACPI_MOVE_16_TO_16(&ACPI_CAST_PTR(u16, destination)[i], &ACPI_CAST_PTR(u16, source)[i]); break; @@ -590,6 +594,56 @@ acpi_rs_get_prs_method_data(struct acpi_namespace_node *node, /******************************************************************************* * + * FUNCTION: acpi_rs_get_aei_method_data + * + * PARAMETERS: Node - Device node + * ret_buffer - Pointer to a buffer structure for the + * results + * + * RETURN: Status + * + * DESCRIPTION: This function is called to get the _AEI value of an object + * contained in an object specified by the handle passed in + * + * If the function fails an appropriate status will be returned + * and the contents of the callers buffer is undefined. + * + ******************************************************************************/ + +acpi_status +acpi_rs_get_aei_method_data(struct acpi_namespace_node *node, + struct acpi_buffer *ret_buffer) +{ + union acpi_operand_object *obj_desc; + acpi_status status; + + ACPI_FUNCTION_TRACE(rs_get_aei_method_data); + + /* Parameters guaranteed valid by caller */ + + /* Execute the method, no parameters */ + + status = acpi_ut_evaluate_object(node, METHOD_NAME__AEI, + ACPI_BTYPE_BUFFER, &obj_desc); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); + } + + /* + * Make the call to create a resource linked list from the + * byte stream buffer that comes back from the _CRS method + * execution. + */ + status = acpi_rs_create_resource_list(obj_desc, ret_buffer); + + /* On exit, we must delete the object returned by evaluate_object */ + + acpi_ut_remove_reference(obj_desc); + return_ACPI_STATUS(status); +} + +/******************************************************************************* + * * FUNCTION: acpi_rs_get_method_data * * PARAMETERS: Handle - Handle to the containing object diff --git a/drivers/acpi/acpica/rsxface.c b/drivers/acpi/acpica/rsxface.c index fe86b37b16ce..f58c098c7aeb 100644 --- a/drivers/acpi/acpica/rsxface.c +++ b/drivers/acpi/acpica/rsxface.c @@ -5,7 +5,7 @@ ******************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -307,6 +307,46 @@ acpi_set_current_resources(acpi_handle device_handle, ACPI_EXPORT_SYMBOL(acpi_set_current_resources) +/******************************************************************************* + * + * FUNCTION: acpi_get_event_resources + * + * PARAMETERS: device_handle - Handle to the device object for the + * device we are getting resources + * in_buffer - Pointer to a buffer containing the + * resources to be set for the device + * + * RETURN: Status + * + * DESCRIPTION: This function is called to get the event resources for a + * specific device. The caller must first acquire a handle for + * the desired device. The resource data is passed to the routine + * the buffer pointed to by the in_buffer variable. Uses the + * _AEI method. + * + ******************************************************************************/ +acpi_status +acpi_get_event_resources(acpi_handle device_handle, + struct acpi_buffer *ret_buffer) +{ + acpi_status status; + struct acpi_namespace_node *node; + + ACPI_FUNCTION_TRACE(acpi_get_event_resources); + + /* Validate parameters then dispatch to internal routine */ + + status = acpi_rs_validate_parameters(device_handle, ret_buffer, &node); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); + } + + status = acpi_rs_get_aei_method_data(node, ret_buffer); + return_ACPI_STATUS(status); +} + +ACPI_EXPORT_SYMBOL(acpi_get_event_resources) + /****************************************************************************** * * FUNCTION: acpi_resource_to_address64 @@ -486,8 +526,9 @@ acpi_rs_match_vendor_resource(struct acpi_resource *resource, void *context) * * PARAMETERS: device_handle - Handle to the device object for the * device we are querying - * Name - Method name of the resources we want - * (METHOD_NAME__CRS or METHOD_NAME__PRS) + * Name - Method name of the resources we want. + * (METHOD_NAME__CRS, METHOD_NAME__PRS, or + * METHOD_NAME__AEI) * user_function - Called for each resource * Context - Passed to user_function * @@ -514,11 +555,12 @@ acpi_walk_resources(acpi_handle device_handle, if (!device_handle || !user_function || !name || (!ACPI_COMPARE_NAME(name, METHOD_NAME__CRS) && - !ACPI_COMPARE_NAME(name, METHOD_NAME__PRS))) { + !ACPI_COMPARE_NAME(name, METHOD_NAME__PRS) && + !ACPI_COMPARE_NAME(name, METHOD_NAME__AEI))) { return_ACPI_STATUS(AE_BAD_PARAMETER); } - /* Get the _CRS or _PRS resource list */ + /* Get the _CRS/_PRS/_AEI resource list */ buffer.length = ACPI_ALLOCATE_LOCAL_BUFFER; status = acpi_rs_get_method_data(device_handle, name, &buffer); diff --git a/drivers/acpi/acpica/tbfadt.c b/drivers/acpi/acpica/tbfadt.c index 6f5588e62c0a..4c9c760db4a4 100644 --- a/drivers/acpi/acpica/tbfadt.c +++ b/drivers/acpi/acpica/tbfadt.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -63,14 +63,15 @@ static void acpi_tb_setup_fadt_registers(void); typedef struct acpi_fadt_info { char *name; - u8 address64; - u8 address32; - u8 length; + u16 address64; + u16 address32; + u16 length; u8 default_length; u8 type; } acpi_fadt_info; +#define ACPI_FADT_OPTIONAL 0 #define ACPI_FADT_REQUIRED 1 #define ACPI_FADT_SEPARATE_LENGTH 2 @@ -87,7 +88,7 @@ static struct acpi_fadt_info fadt_info_table[] = { ACPI_FADT_OFFSET(pm1b_event_block), ACPI_FADT_OFFSET(pm1_event_length), ACPI_PM1_REGISTER_WIDTH * 2, /* Enable + Status register */ - 0}, + ACPI_FADT_OPTIONAL}, {"Pm1aControlBlock", ACPI_FADT_OFFSET(xpm1a_control_block), @@ -101,7 +102,7 @@ static struct acpi_fadt_info fadt_info_table[] = { ACPI_FADT_OFFSET(pm1b_control_block), ACPI_FADT_OFFSET(pm1_control_length), ACPI_PM1_REGISTER_WIDTH, - 0}, + ACPI_FADT_OPTIONAL}, {"Pm2ControlBlock", ACPI_FADT_OFFSET(xpm2_control_block), @@ -139,7 +140,7 @@ static struct acpi_fadt_info fadt_info_table[] = { typedef struct acpi_fadt_pm_info { struct acpi_generic_address *target; - u8 source; + u16 source; u8 register_num; } acpi_fadt_pm_info; @@ -253,8 +254,13 @@ void acpi_tb_parse_fadt(u32 table_index) acpi_tb_install_table((acpi_physical_address) acpi_gbl_FADT.Xdsdt, ACPI_SIG_DSDT, ACPI_TABLE_INDEX_DSDT); - acpi_tb_install_table((acpi_physical_address) acpi_gbl_FADT.Xfacs, - ACPI_SIG_FACS, ACPI_TABLE_INDEX_FACS); + /* If Hardware Reduced flag is set, there is no FACS */ + + if (!acpi_gbl_reduced_hardware) { + acpi_tb_install_table((acpi_physical_address) acpi_gbl_FADT. + Xfacs, ACPI_SIG_FACS, + ACPI_TABLE_INDEX_FACS); + } } /******************************************************************************* @@ -277,12 +283,12 @@ void acpi_tb_create_local_fadt(struct acpi_table_header *table, u32 length) { /* * Check if the FADT is larger than the largest table that we expect - * (the ACPI 2.0/3.0 version). If so, truncate the table, and issue + * (the ACPI 5.0 version). If so, truncate the table, and issue * a warning. */ if (length > sizeof(struct acpi_table_fadt)) { ACPI_WARNING((AE_INFO, - "FADT (revision %u) is longer than ACPI 2.0 version, " + "FADT (revision %u) is longer than ACPI 5.0 version, " "truncating length %u to %u", table->revision, length, (u32)sizeof(struct acpi_table_fadt))); @@ -297,6 +303,13 @@ void acpi_tb_create_local_fadt(struct acpi_table_header *table, u32 length) ACPI_MEMCPY(&acpi_gbl_FADT, table, ACPI_MIN(length, sizeof(struct acpi_table_fadt))); + /* Take a copy of the Hardware Reduced flag */ + + acpi_gbl_reduced_hardware = FALSE; + if (acpi_gbl_FADT.flags & ACPI_FADT_HW_REDUCED) { + acpi_gbl_reduced_hardware = TRUE; + } + /* Convert the local copy of the FADT to the common internal format */ acpi_tb_convert_fadt(); @@ -350,10 +363,6 @@ static void acpi_tb_convert_fadt(void) u32 address32; u32 i; - /* Update the local FADT table header length */ - - acpi_gbl_FADT.header.length = sizeof(struct acpi_table_fadt); - /* * Expand the 32-bit FACS and DSDT addresses to 64-bit as necessary. * Later code will always use the X 64-bit field. Also, check for an @@ -395,6 +404,10 @@ static void acpi_tb_convert_fadt(void) acpi_gbl_FADT.boot_flags = 0; } + /* Update the local FADT table header length */ + + acpi_gbl_FADT.header.length = sizeof(struct acpi_table_fadt); + /* * Expand the ACPI 1.0 32-bit addresses to the ACPI 2.0 64-bit "X" * generic address structures as necessary. Later code will always use @@ -502,6 +515,12 @@ static void acpi_tb_validate_fadt(void) acpi_gbl_FADT.Xdsdt = (u64) acpi_gbl_FADT.dsdt; } + /* If Hardware Reduced flag is set, we are all done */ + + if (acpi_gbl_reduced_hardware) { + return; + } + /* Examine all of the 64-bit extended address fields (X fields) */ for (i = 0; i < ACPI_FADT_INFO_ENTRIES; i++) { diff --git a/drivers/acpi/acpica/tbfind.c b/drivers/acpi/acpica/tbfind.c index a55cb2bb5abb..4903e36ea75a 100644 --- a/drivers/acpi/acpica/tbfind.c +++ b/drivers/acpi/acpica/tbfind.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/acpica/tbinstal.c b/drivers/acpi/acpica/tbinstal.c index 62365f6075dd..c03500b4cc7a 100644 --- a/drivers/acpi/acpica/tbinstal.c +++ b/drivers/acpi/acpica/tbinstal.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -114,7 +114,6 @@ acpi_tb_add_table(struct acpi_table_desc *table_desc, u32 *table_index) { u32 i; acpi_status status = AE_OK; - struct acpi_table_header *override_table = NULL; ACPI_FUNCTION_TRACE(tb_add_table); @@ -224,25 +223,10 @@ acpi_tb_add_table(struct acpi_table_desc *table_desc, u32 *table_index) /* * ACPI Table Override: * Allow the host to override dynamically loaded tables. + * NOTE: the table is fully mapped at this point, and the mapping will + * be deleted by tb_table_override if the table is actually overridden. */ - status = acpi_os_table_override(table_desc->pointer, &override_table); - if (ACPI_SUCCESS(status) && override_table) { - ACPI_INFO((AE_INFO, - "%4.4s @ 0x%p Table override, replaced with:", - table_desc->pointer->signature, - ACPI_CAST_PTR(void, table_desc->address))); - - /* We can delete the table that was passed as a parameter */ - - acpi_tb_delete_table(table_desc); - - /* Setup descriptor for the new table */ - - table_desc->address = ACPI_PTR_TO_PHYSADDR(override_table); - table_desc->pointer = override_table; - table_desc->length = override_table->length; - table_desc->flags = ACPI_TABLE_ORIGIN_OVERRIDE; - } + (void)acpi_tb_table_override(table_desc->pointer, table_desc); /* Add the table to the global root table list */ @@ -263,6 +247,95 @@ acpi_tb_add_table(struct acpi_table_desc *table_desc, u32 *table_index) /******************************************************************************* * + * FUNCTION: acpi_tb_table_override + * + * PARAMETERS: table_header - Header for the original table + * table_desc - Table descriptor initialized for the + * original table. May or may not be mapped. + * + * RETURN: Pointer to the entire new table. NULL if table not overridden. + * If overridden, installs the new table within the input table + * descriptor. + * + * DESCRIPTION: Attempt table override by calling the OSL override functions. + * Note: If the table is overridden, then the entire new table + * is mapped and returned by this function. + * + ******************************************************************************/ + +struct acpi_table_header *acpi_tb_table_override(struct acpi_table_header + *table_header, + struct acpi_table_desc + *table_desc) +{ + acpi_status status; + struct acpi_table_header *new_table = NULL; + acpi_physical_address new_address = 0; + u32 new_table_length = 0; + u8 new_flags; + char *override_type; + + /* (1) Attempt logical override (returns a logical address) */ + + status = acpi_os_table_override(table_header, &new_table); + if (ACPI_SUCCESS(status) && new_table) { + new_address = ACPI_PTR_TO_PHYSADDR(new_table); + new_table_length = new_table->length; + new_flags = ACPI_TABLE_ORIGIN_OVERRIDE; + override_type = "Logical"; + goto finish_override; + } + + /* (2) Attempt physical override (returns a physical address) */ + + status = acpi_os_physical_table_override(table_header, + &new_address, + &new_table_length); + if (ACPI_SUCCESS(status) && new_address && new_table_length) { + + /* Map the entire new table */ + + new_table = acpi_os_map_memory(new_address, new_table_length); + if (!new_table) { + ACPI_EXCEPTION((AE_INFO, AE_NO_MEMORY, + "%4.4s %p Attempted physical table override failed", + table_header->signature, + ACPI_CAST_PTR(void, + table_desc->address))); + return (NULL); + } + + override_type = "Physical"; + new_flags = ACPI_TABLE_ORIGIN_MAPPED; + goto finish_override; + } + + return (NULL); /* There was no override */ + + finish_override: + + ACPI_INFO((AE_INFO, + "%4.4s %p %s table override, new table: %p", + table_header->signature, + ACPI_CAST_PTR(void, table_desc->address), + override_type, new_table)); + + /* We can now unmap/delete the original table (if fully mapped) */ + + acpi_tb_delete_table(table_desc); + + /* Setup descriptor for the new table */ + + table_desc->address = new_address; + table_desc->pointer = new_table; + table_desc->length = new_table_length; + table_desc->flags = new_flags; + + return (new_table); +} + +/******************************************************************************* + * * FUNCTION: acpi_tb_resize_root_table_list * * PARAMETERS: None @@ -396,7 +469,11 @@ void acpi_tb_delete_table(struct acpi_table_desc *table_desc) case ACPI_TABLE_ORIGIN_ALLOCATED: ACPI_FREE(table_desc->pointer); break; - default:; + + /* Not mapped or allocated, there is nothing we can do */ + + default: + return; } table_desc->pointer = NULL; diff --git a/drivers/acpi/acpica/tbutils.c b/drivers/acpi/acpica/tbutils.c index 0f2d395feaba..0a706cac37de 100644 --- a/drivers/acpi/acpica/tbutils.c +++ b/drivers/acpi/acpica/tbutils.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -118,6 +118,7 @@ acpi_tb_check_xsdt(acpi_physical_address address) return AE_OK; } +#if (!ACPI_REDUCED_HARDWARE) /******************************************************************************* * * FUNCTION: acpi_tb_initialize_facs @@ -135,12 +136,20 @@ acpi_status acpi_tb_initialize_facs(void) { acpi_status status; + /* If Hardware Reduced flag is set, there is no FACS */ + + if (acpi_gbl_reduced_hardware) { + acpi_gbl_FACS = NULL; + return (AE_OK); + } + status = acpi_get_table_by_index(ACPI_TABLE_INDEX_FACS, ACPI_CAST_INDIRECT_PTR(struct acpi_table_header, &acpi_gbl_FACS)); return status; } +#endif /* !ACPI_REDUCED_HARDWARE */ /******************************************************************************* * @@ -437,7 +446,7 @@ struct acpi_table_header *acpi_tb_copy_dsdt(u32 table_index) * RETURN: None * * DESCRIPTION: Install an ACPI table into the global data structure. The - * table override mechanism is implemented here to allow the host + * table override mechanism is called to allow the host * OS to replace any table before it is installed in the root * table array. * @@ -447,11 +456,9 @@ void acpi_tb_install_table(acpi_physical_address address, char *signature, u32 table_index) { - u8 flags; - acpi_status status; - struct acpi_table_header *table_to_install; - struct acpi_table_header *mapped_table; - struct acpi_table_header *override_table = NULL; + struct acpi_table_header *table; + struct acpi_table_header *final_table; + struct acpi_table_desc *table_desc; if (!address) { ACPI_ERROR((AE_INFO, @@ -462,69 +469,78 @@ acpi_tb_install_table(acpi_physical_address address, /* Map just the table header */ - mapped_table = - acpi_os_map_memory(address, sizeof(struct acpi_table_header)); - if (!mapped_table) { + table = acpi_os_map_memory(address, sizeof(struct acpi_table_header)); + if (!table) { + ACPI_ERROR((AE_INFO, + "Could not map memory for table [%s] at %p", + signature, ACPI_CAST_PTR(void, address))); return; } /* If a particular signature is expected (DSDT/FACS), it must match */ - if (signature && !ACPI_COMPARE_NAME(mapped_table->signature, signature)) { + if (signature && !ACPI_COMPARE_NAME(table->signature, signature)) { ACPI_ERROR((AE_INFO, "Invalid signature 0x%X for ACPI table, expected [%s]", - *ACPI_CAST_PTR(u32, mapped_table->signature), - signature)); + *ACPI_CAST_PTR(u32, table->signature), signature)); goto unmap_and_exit; } /* + * Initialize the table entry. Set the pointer to NULL, since the + * table is not fully mapped at this time. + */ + table_desc = &acpi_gbl_root_table_list.tables[table_index]; + + table_desc->address = address; + table_desc->pointer = NULL; + table_desc->length = table->length; + table_desc->flags = ACPI_TABLE_ORIGIN_MAPPED; + ACPI_MOVE_32_TO_32(table_desc->signature.ascii, table->signature); + + /* * ACPI Table Override: * * Before we install the table, let the host OS override it with a new * one if desired. Any table within the RSDT/XSDT can be replaced, * including the DSDT which is pointed to by the FADT. + * + * NOTE: If the table is overridden, then final_table will contain a + * mapped pointer to the full new table. If the table is not overridden, + * or if there has been a physical override, then the table will be + * fully mapped later (in verify table). In any case, we must + * unmap the header that was mapped above. */ - status = acpi_os_table_override(mapped_table, &override_table); - if (ACPI_SUCCESS(status) && override_table) { - ACPI_INFO((AE_INFO, - "%4.4s @ 0x%p Table override, replaced with:", - mapped_table->signature, ACPI_CAST_PTR(void, - address))); - - acpi_gbl_root_table_list.tables[table_index].pointer = - override_table; - address = ACPI_PTR_TO_PHYSADDR(override_table); - - table_to_install = override_table; - flags = ACPI_TABLE_ORIGIN_OVERRIDE; - } else { - table_to_install = mapped_table; - flags = ACPI_TABLE_ORIGIN_MAPPED; + final_table = acpi_tb_table_override(table, table_desc); + if (!final_table) { + final_table = table; /* There was no override */ } - /* Initialize the table entry */ - - acpi_gbl_root_table_list.tables[table_index].address = address; - acpi_gbl_root_table_list.tables[table_index].length = - table_to_install->length; - acpi_gbl_root_table_list.tables[table_index].flags = flags; - - ACPI_MOVE_32_TO_32(& - (acpi_gbl_root_table_list.tables[table_index]. - signature), table_to_install->signature); + acpi_tb_print_table_header(table_desc->address, final_table); - acpi_tb_print_table_header(address, table_to_install); + /* Set the global integer width (based upon revision of the DSDT) */ if (table_index == ACPI_TABLE_INDEX_DSDT) { + acpi_ut_set_integer_width(final_table->revision); + } - /* Global integer width is based upon revision of the DSDT */ - - acpi_ut_set_integer_width(table_to_install->revision); + /* + * If we have a physical override during this early loading of the ACPI + * tables, unmap the table for now. It will be mapped again later when + * it is actually used. This supports very early loading of ACPI tables, + * before virtual memory is fully initialized and running within the + * host OS. Note: A logical override has the ACPI_TABLE_ORIGIN_OVERRIDE + * flag set and will not be deleted below. + */ + if (final_table != table) { + acpi_tb_delete_table(table_desc); } unmap_and_exit: - acpi_os_unmap_memory(mapped_table, sizeof(struct acpi_table_header)); + + /* Always unmap the table header that we mapped above */ + + acpi_os_unmap_memory(table, sizeof(struct acpi_table_header)); } /******************************************************************************* diff --git a/drivers/acpi/acpica/tbxface.c b/drivers/acpi/acpica/tbxface.c index e7d13f5d3f2d..abcc6412c244 100644 --- a/drivers/acpi/acpica/tbxface.c +++ b/drivers/acpi/acpica/tbxface.c @@ -6,7 +6,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/acpica/tbxfroot.c b/drivers/acpi/acpica/tbxfroot.c index 7eb6c6cc1edf..4258f647ca3d 100644 --- a/drivers/acpi/acpica/tbxfroot.c +++ b/drivers/acpi/acpica/tbxfroot.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/acpica/utaddress.c b/drivers/acpi/acpica/utaddress.c new file mode 100644 index 000000000000..67932aebe6dd --- /dev/null +++ b/drivers/acpi/acpica/utaddress.c @@ -0,0 +1,294 @@ +/****************************************************************************** + * + * Module Name: utaddress - op_region address range check + * + *****************************************************************************/ + +/* + * Copyright (C) 2000 - 2012, Intel Corp. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions, and the following disclaimer, + * without modification. + * 2. Redistributions in binary form must reproduce at minimum a disclaimer + * substantially similar to the "NO WARRANTY" disclaimer below + * ("Disclaimer") and any redistribution must be conditioned upon + * including a substantially similar Disclaimer requirement for further + * binary redistribution. + * 3. Neither the names of the above-listed copyright holders nor the names + * of any contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * Alternatively, this software may be distributed under the terms of the + * GNU General Public License ("GPL") version 2 as published by the Free + * Software Foundation. + * + * NO WARRANTY + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING + * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGES. + */ + +#include <acpi/acpi.h> +#include "accommon.h" +#include "acnamesp.h" + +#define _COMPONENT ACPI_UTILITIES +ACPI_MODULE_NAME("utaddress") + +/******************************************************************************* + * + * FUNCTION: acpi_ut_add_address_range + * + * PARAMETERS: space_id - Address space ID + * Address - op_region start address + * Length - op_region length + * region_node - op_region namespace node + * + * RETURN: Status + * + * DESCRIPTION: Add the Operation Region address range to the global list. + * The only supported Space IDs are Memory and I/O. Called when + * the op_region address/length operands are fully evaluated. + * + * MUTEX: Locks the namespace + * + * NOTE: Because this interface is only called when an op_region argument + * list is evaluated, there cannot be any duplicate region_nodes. + * Duplicate Address/Length values are allowed, however, so that multiple + * address conflicts can be detected. + * + ******************************************************************************/ +acpi_status +acpi_ut_add_address_range(acpi_adr_space_type space_id, + acpi_physical_address address, + u32 length, struct acpi_namespace_node *region_node) +{ + struct acpi_address_range *range_info; + acpi_status status; + + ACPI_FUNCTION_TRACE(ut_add_address_range); + + if ((space_id != ACPI_ADR_SPACE_SYSTEM_MEMORY) && + (space_id != ACPI_ADR_SPACE_SYSTEM_IO)) { + return_ACPI_STATUS(AE_OK); + } + + /* Allocate/init a new info block, add it to the appropriate list */ + + range_info = ACPI_ALLOCATE(sizeof(struct acpi_address_range)); + if (!range_info) { + return_ACPI_STATUS(AE_NO_MEMORY); + } + + range_info->start_address = address; + range_info->end_address = (address + length - 1); + range_info->region_node = region_node; + + status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE); + if (ACPI_FAILURE(status)) { + ACPI_FREE(range_info); + return_ACPI_STATUS(status); + } + + range_info->next = acpi_gbl_address_range_list[space_id]; + acpi_gbl_address_range_list[space_id] = range_info; + + ACPI_DEBUG_PRINT((ACPI_DB_NAMES, + "\nAdded [%4.4s] address range: 0x%p-0x%p\n", + acpi_ut_get_node_name(range_info->region_node), + ACPI_CAST_PTR(void, address), + ACPI_CAST_PTR(void, range_info->end_address))); + + (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE); + return_ACPI_STATUS(AE_OK); +} + +/******************************************************************************* + * + * FUNCTION: acpi_ut_remove_address_range + * + * PARAMETERS: space_id - Address space ID + * region_node - op_region namespace node + * + * RETURN: None + * + * DESCRIPTION: Remove the Operation Region from the global list. The only + * supported Space IDs are Memory and I/O. Called when an + * op_region is deleted. + * + * MUTEX: Assumes the namespace is locked + * + ******************************************************************************/ + +void +acpi_ut_remove_address_range(acpi_adr_space_type space_id, + struct acpi_namespace_node *region_node) +{ + struct acpi_address_range *range_info; + struct acpi_address_range *prev; + + ACPI_FUNCTION_TRACE(ut_remove_address_range); + + if ((space_id != ACPI_ADR_SPACE_SYSTEM_MEMORY) && + (space_id != ACPI_ADR_SPACE_SYSTEM_IO)) { + return_VOID; + } + + /* Get the appropriate list head and check the list */ + + range_info = prev = acpi_gbl_address_range_list[space_id]; + while (range_info) { + if (range_info->region_node == region_node) { + if (range_info == prev) { /* Found at list head */ + acpi_gbl_address_range_list[space_id] = + range_info->next; + } else { + prev->next = range_info->next; + } + + ACPI_DEBUG_PRINT((ACPI_DB_NAMES, + "\nRemoved [%4.4s] address range: 0x%p-0x%p\n", + acpi_ut_get_node_name(range_info-> + region_node), + ACPI_CAST_PTR(void, + range_info-> + start_address), + ACPI_CAST_PTR(void, + range_info-> + end_address))); + + ACPI_FREE(range_info); + return_VOID; + } + + prev = range_info; + range_info = range_info->next; + } + + return_VOID; +} + +/******************************************************************************* + * + * FUNCTION: acpi_ut_check_address_range + * + * PARAMETERS: space_id - Address space ID + * Address - Start address + * Length - Length of address range + * Warn - TRUE if warning on overlap desired + * + * RETURN: Count of the number of conflicts detected. Zero is always + * returned for Space IDs other than Memory or I/O. + * + * DESCRIPTION: Check if the input address range overlaps any of the + * ASL operation region address ranges. The only supported + * Space IDs are Memory and I/O. + * + * MUTEX: Assumes the namespace is locked. + * + ******************************************************************************/ + +u32 +acpi_ut_check_address_range(acpi_adr_space_type space_id, + acpi_physical_address address, u32 length, u8 warn) +{ + struct acpi_address_range *range_info; + acpi_physical_address end_address; + char *pathname; + u32 overlap_count = 0; + + ACPI_FUNCTION_TRACE(ut_check_address_range); + + if ((space_id != ACPI_ADR_SPACE_SYSTEM_MEMORY) && + (space_id != ACPI_ADR_SPACE_SYSTEM_IO)) { + return_UINT32(0); + } + + range_info = acpi_gbl_address_range_list[space_id]; + end_address = address + length - 1; + + /* Check entire list for all possible conflicts */ + + while (range_info) { + /* + * Check if the requested Address/Length overlaps this address_range. + * Four cases to consider: + * + * 1) Input address/length is contained completely in the address range + * 2) Input address/length overlaps range at the range start + * 3) Input address/length overlaps range at the range end + * 4) Input address/length completely encompasses the range + */ + if ((address <= range_info->end_address) && + (end_address >= range_info->start_address)) { + + /* Found an address range overlap */ + + overlap_count++; + if (warn) { /* Optional warning message */ + pathname = + acpi_ns_get_external_pathname(range_info-> + region_node); + + ACPI_WARNING((AE_INFO, + "0x%p-0x%p %s conflicts with Region %s %d", + ACPI_CAST_PTR(void, address), + ACPI_CAST_PTR(void, end_address), + acpi_ut_get_region_name(space_id), + pathname, overlap_count)); + ACPI_FREE(pathname); + } + } + + range_info = range_info->next; + } + + return_UINT32(overlap_count); +} + +/******************************************************************************* + * + * FUNCTION: acpi_ut_delete_address_lists + * + * PARAMETERS: None + * + * RETURN: None + * + * DESCRIPTION: Delete all global address range lists (called during + * subsystem shutdown). + * + ******************************************************************************/ + +void acpi_ut_delete_address_lists(void) +{ + struct acpi_address_range *next; + struct acpi_address_range *range_info; + int i; + + /* Delete all elements in all address range lists */ + + for (i = 0; i < ACPI_ADDRESS_RANGE_MAX; i++) { + next = acpi_gbl_address_range_list[i]; + + while (next) { + range_info = next; + next = range_info->next; + ACPI_FREE(range_info); + } + + acpi_gbl_address_range_list[i] = NULL; + } +} diff --git a/drivers/acpi/acpica/utalloc.c b/drivers/acpi/acpica/utalloc.c index 0a697351cf69..9982d2ea66fb 100644 --- a/drivers/acpi/acpica/utalloc.c +++ b/drivers/acpi/acpica/utalloc.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/acpica/utcopy.c b/drivers/acpi/acpica/utcopy.c index aded299a2fa8..3317c0a406ee 100644 --- a/drivers/acpi/acpica/utcopy.c +++ b/drivers/acpi/acpica/utcopy.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/acpica/utdebug.c b/drivers/acpi/acpica/utdebug.c index a1f8d7509e66..a0998a886318 100644 --- a/drivers/acpi/acpica/utdebug.c +++ b/drivers/acpi/acpica/utdebug.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/acpica/utdecode.c b/drivers/acpi/acpica/utdecode.c index 8b087e2d64f4..684849949bf3 100644 --- a/drivers/acpi/acpica/utdecode.c +++ b/drivers/acpi/acpica/utdecode.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -171,7 +171,9 @@ const char *acpi_gbl_region_types[ACPI_NUM_PREDEFINED_REGIONS] = { "SMBus", "SystemCMOS", "PCIBARTarget", - "IPMI" + "IPMI", + "GeneralPurposeIo", + "GenericSerialBus" }; char *acpi_ut_get_region_name(u8 space_id) @@ -495,19 +497,20 @@ char *acpi_ut_get_mutex_name(u32 mutex_id) /* Names for Notify() values, used for debug output */ -static const char *acpi_gbl_notify_value_names[] = { - "Bus Check", - "Device Check", - "Device Wake", - "Eject Request", - "Device Check Light", - "Frequency Mismatch", - "Bus Mode Mismatch", - "Power Fault", - "Capabilities Check", - "Device PLD Check", - "Reserved", - "System Locality Update" +static const char *acpi_gbl_notify_value_names[ACPI_NOTIFY_MAX + 1] = { + /* 00 */ "Bus Check", + /* 01 */ "Device Check", + /* 02 */ "Device Wake", + /* 03 */ "Eject Request", + /* 04 */ "Device Check Light", + /* 05 */ "Frequency Mismatch", + /* 06 */ "Bus Mode Mismatch", + /* 07 */ "Power Fault", + /* 08 */ "Capabilities Check", + /* 09 */ "Device PLD Check", + /* 10 */ "Reserved", + /* 11 */ "System Locality Update", + /* 12 */ "Shutdown Request" }; const char *acpi_ut_get_notify_name(u32 notify_value) @@ -517,9 +520,10 @@ const char *acpi_ut_get_notify_name(u32 notify_value) return (acpi_gbl_notify_value_names[notify_value]); } else if (notify_value <= ACPI_MAX_SYS_NOTIFY) { return ("Reserved"); - } else { /* Greater or equal to 0x80 */ - - return ("**Device Specific**"); + } else if (notify_value <= ACPI_MAX_DEVICE_SPECIFIC_NOTIFY) { + return ("Device Specific"); + } else { + return ("Hardware Specific"); } } #endif diff --git a/drivers/acpi/acpica/utdelete.c b/drivers/acpi/acpica/utdelete.c index 31f5a7832ef1..2a6c3e183697 100644 --- a/drivers/acpi/acpica/utdelete.c +++ b/drivers/acpi/acpica/utdelete.c @@ -5,7 +5,7 @@ ******************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -215,11 +215,14 @@ static void acpi_ut_delete_internal_obj(union acpi_operand_object *object) ACPI_DEBUG_PRINT((ACPI_DB_ALLOCATIONS, "***** Region %p\n", object)); - /* Invalidate the region address/length via the host OS */ - - acpi_os_invalidate_address(object->region.space_id, - object->region.address, - (acpi_size) object->region.length); + /* + * Update address_range list. However, only permanent regions + * are installed in this list. (Not created within a method) + */ + if (!(object->region.node->flags & ANOBJ_TEMPORARY)) { + acpi_ut_remove_address_range(object->region.space_id, + object->region.node); + } second_desc = acpi_ns_get_secondary_object(object); if (second_desc) { diff --git a/drivers/acpi/acpica/uteval.c b/drivers/acpi/acpica/uteval.c index 18f73c9d10bc..479f32b33415 100644 --- a/drivers/acpi/acpica/uteval.c +++ b/drivers/acpi/acpica/uteval.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/acpica/utglobal.c b/drivers/acpi/acpica/utglobal.c index ffba0a39c3e8..90f53b42eca9 100644 --- a/drivers/acpi/acpica/utglobal.c +++ b/drivers/acpi/acpica/utglobal.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -140,6 +140,7 @@ const struct acpi_predefined_names acpi_gbl_pre_defined_names[] = { {NULL, ACPI_TYPE_ANY, NULL} }; +#if (!ACPI_REDUCED_HARDWARE) /****************************************************************************** * * Event and Hardware globals @@ -236,6 +237,7 @@ struct acpi_fixed_event_info acpi_gbl_fixed_event_info[ACPI_NUM_FIXED_EVENTS] = ACPI_BITMASK_RT_CLOCK_STATUS, ACPI_BITMASK_RT_CLOCK_ENABLE}, }; +#endif /* !ACPI_REDUCED_HARDWARE */ /******************************************************************************* * @@ -264,6 +266,12 @@ acpi_status acpi_ut_init_globals(void) return_ACPI_STATUS(status); } + /* Address Range lists */ + + for (i = 0; i < ACPI_ADDRESS_RANGE_MAX; i++) { + acpi_gbl_address_range_list[i] = NULL; + } + /* Mutex locked flags */ for (i = 0; i < ACPI_NUM_MUTEX; i++) { @@ -280,6 +288,8 @@ acpi_status acpi_ut_init_globals(void) acpi_gbl_owner_id_mask[ACPI_NUM_OWNERID_MASKS - 1] = 0x80000000; +#if (!ACPI_REDUCED_HARDWARE) + /* GPE support */ acpi_gbl_gpe_xrupt_list_head = NULL; @@ -288,6 +298,10 @@ acpi_status acpi_ut_init_globals(void) acpi_current_gpe_count = 0; acpi_gbl_all_gpes_initialized = FALSE; + acpi_gbl_global_event_handler = NULL; + +#endif /* !ACPI_REDUCED_HARDWARE */ + /* Global handlers */ acpi_gbl_system_notify.handler = NULL; @@ -296,7 +310,6 @@ acpi_status acpi_ut_init_globals(void) acpi_gbl_init_handler = NULL; acpi_gbl_table_handler = NULL; acpi_gbl_interface_handler = NULL; - acpi_gbl_global_event_handler = NULL; /* Global Lock support */ diff --git a/drivers/acpi/acpica/utids.c b/drivers/acpi/acpica/utids.c index b679ea693545..c92eb1d93785 100644 --- a/drivers/acpi/acpica/utids.c +++ b/drivers/acpi/acpica/utids.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/acpica/utinit.c b/drivers/acpi/acpica/utinit.c index 191b6828cce9..246798e4c938 100644 --- a/drivers/acpi/acpica/utinit.c +++ b/drivers/acpi/acpica/utinit.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -53,27 +53,35 @@ ACPI_MODULE_NAME("utinit") /* Local prototypes */ static void acpi_ut_terminate(void); +#if (!ACPI_REDUCED_HARDWARE) + +static void acpi_ut_free_gpe_lists(void); + +#else + +#define acpi_ut_free_gpe_lists() +#endif /* !ACPI_REDUCED_HARDWARE */ + +#if (!ACPI_REDUCED_HARDWARE) /****************************************************************************** * - * FUNCTION: acpi_ut_terminate + * FUNCTION: acpi_ut_free_gpe_lists * * PARAMETERS: none * * RETURN: none * - * DESCRIPTION: Free global memory + * DESCRIPTION: Free global GPE lists * ******************************************************************************/ -static void acpi_ut_terminate(void) +static void acpi_ut_free_gpe_lists(void) { struct acpi_gpe_block_info *gpe_block; struct acpi_gpe_block_info *next_gpe_block; struct acpi_gpe_xrupt_info *gpe_xrupt_info; struct acpi_gpe_xrupt_info *next_gpe_xrupt_info; - ACPI_FUNCTION_TRACE(ut_terminate); - /* Free global GPE blocks and related info structures */ gpe_xrupt_info = acpi_gbl_gpe_xrupt_list_head; @@ -91,7 +99,27 @@ static void acpi_ut_terminate(void) ACPI_FREE(gpe_xrupt_info); gpe_xrupt_info = next_gpe_xrupt_info; } +} +#endif /* !ACPI_REDUCED_HARDWARE */ + +/****************************************************************************** + * + * FUNCTION: acpi_ut_terminate + * + * PARAMETERS: none + * + * RETURN: none + * + * DESCRIPTION: Free global memory + * + ******************************************************************************/ + +static void acpi_ut_terminate(void) +{ + ACPI_FUNCTION_TRACE(ut_terminate); + acpi_ut_free_gpe_lists(); + acpi_ut_delete_address_lists(); return_VOID; } diff --git a/drivers/acpi/acpica/utlock.c b/drivers/acpi/acpica/utlock.c index f6bb75c6faf5..155fd786d0f2 100644 --- a/drivers/acpi/acpica/utlock.c +++ b/drivers/acpi/acpica/utlock.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/acpica/utmath.c b/drivers/acpi/acpica/utmath.c index ce481da9bb45..2491a552b0e6 100644 --- a/drivers/acpi/acpica/utmath.c +++ b/drivers/acpi/acpica/utmath.c @@ -5,7 +5,7 @@ ******************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/acpica/utmisc.c b/drivers/acpi/acpica/utmisc.c index c33a852d4f42..86f19db74e05 100644 --- a/drivers/acpi/acpica/utmisc.c +++ b/drivers/acpi/acpica/utmisc.c @@ -5,7 +5,7 @@ ******************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/acpica/utmutex.c b/drivers/acpi/acpica/utmutex.c index 7d797e2baecd..43174df33121 100644 --- a/drivers/acpi/acpica/utmutex.c +++ b/drivers/acpi/acpica/utmutex.c @@ -5,7 +5,7 @@ ******************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -293,14 +293,10 @@ acpi_status acpi_ut_acquire_mutex(acpi_mutex_handle mutex_id) acpi_status acpi_ut_release_mutex(acpi_mutex_handle mutex_id) { - acpi_thread_id this_thread_id; - ACPI_FUNCTION_NAME(ut_release_mutex); - this_thread_id = acpi_os_get_thread_id(); - ACPI_DEBUG_PRINT((ACPI_DB_MUTEX, "Thread %u releasing Mutex [%s]\n", - (u32)this_thread_id, + (u32)acpi_os_get_thread_id(), acpi_ut_get_mutex_name(mutex_id))); if (mutex_id > ACPI_MAX_MUTEX) { @@ -329,7 +325,8 @@ acpi_status acpi_ut_release_mutex(acpi_mutex_handle mutex_id) * the ACPI subsystem code. */ for (i = mutex_id; i < ACPI_NUM_MUTEX; i++) { - if (acpi_gbl_mutex_info[i].thread_id == this_thread_id) { + if (acpi_gbl_mutex_info[i].thread_id == + acpi_os_get_thread_id()) { if (i == mutex_id) { continue; } diff --git a/drivers/acpi/acpica/utobject.c b/drivers/acpi/acpica/utobject.c index 188340a017b4..b112744fc9ae 100644 --- a/drivers/acpi/acpica/utobject.c +++ b/drivers/acpi/acpica/utobject.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/acpica/utosi.c b/drivers/acpi/acpica/utosi.c index 1fb10cb8f11d..2360cf70c18c 100644 --- a/drivers/acpi/acpica/utosi.c +++ b/drivers/acpi/acpica/utosi.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/acpica/utresrc.c b/drivers/acpi/acpica/utresrc.c index 6ffd3a8bdaa5..9d441ea70305 100644 --- a/drivers/acpi/acpica/utresrc.c +++ b/drivers/acpi/acpica/utresrc.c @@ -5,7 +5,7 @@ ******************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -43,7 +43,7 @@ #include <acpi/acpi.h> #include "accommon.h" -#include "amlresrc.h" +#include "acresrc.h" #define _COMPONENT ACPI_UTILITIES ACPI_MODULE_NAME("utresrc") @@ -154,6 +154,138 @@ const char *acpi_gbl_typ_decode[] = { "TypeF" }; +const char *acpi_gbl_ppc_decode[] = { + "PullDefault", + "PullUp", + "PullDown", + "PullNone" +}; + +const char *acpi_gbl_ior_decode[] = { + "IoRestrictionNone", + "IoRestrictionInputOnly", + "IoRestrictionOutputOnly", + "IoRestrictionNoneAndPreserve" +}; + +const char *acpi_gbl_dts_decode[] = { + "Width8bit", + "Width16bit", + "Width32bit", + "Width64bit", + "Width128bit", + "Width256bit", +}; + +/* GPIO connection type */ + +const char *acpi_gbl_ct_decode[] = { + "Interrupt", + "I/O" +}; + +/* Serial bus type */ + +const char *acpi_gbl_sbt_decode[] = { + "/* UNKNOWN serial bus type */", + "I2C", + "SPI", + "UART" +}; + +/* I2C serial bus access mode */ + +const char *acpi_gbl_am_decode[] = { + "AddressingMode7Bit", + "AddressingMode10Bit" +}; + +/* I2C serial bus slave mode */ + +const char *acpi_gbl_sm_decode[] = { + "ControllerInitiated", + "DeviceInitiated" +}; + +/* SPI serial bus wire mode */ + +const char *acpi_gbl_wm_decode[] = { + "FourWireMode", + "ThreeWireMode" +}; + +/* SPI serial clock phase */ + +const char *acpi_gbl_cph_decode[] = { + "ClockPhaseFirst", + "ClockPhaseSecond" +}; + +/* SPI serial bus clock polarity */ + +const char *acpi_gbl_cpo_decode[] = { + "ClockPolarityLow", + "ClockPolarityHigh" +}; + +/* SPI serial bus device polarity */ + +const char *acpi_gbl_dp_decode[] = { + "PolarityLow", + "PolarityHigh" +}; + +/* UART serial bus endian */ + +const char *acpi_gbl_ed_decode[] = { + "LittleEndian", + "BigEndian" +}; + +/* UART serial bus bits per byte */ + +const char *acpi_gbl_bpb_decode[] = { + "DataBitsFive", + "DataBitsSix", + "DataBitsSeven", + "DataBitsEight", + "DataBitsNine", + "/* UNKNOWN Bits per byte */", + "/* UNKNOWN Bits per byte */", + "/* UNKNOWN Bits per byte */" +}; + +/* UART serial bus stop bits */ + +const char *acpi_gbl_sb_decode[] = { + "StopBitsNone", + "StopBitsOne", + "StopBitsOnePlusHalf", + "StopBitsTwo" +}; + +/* UART serial bus flow control */ + +const char *acpi_gbl_fc_decode[] = { + "FlowControlNone", + "FlowControlHardware", + "FlowControlXON", + "/* UNKNOWN flow control keyword */" +}; + +/* UART serial bus parity type */ + +const char *acpi_gbl_pt_decode[] = { + "ParityTypeNone", + "ParityTypeEven", + "ParityTypeOdd", + "ParityTypeMark", + "ParityTypeSpace", + "/* UNKNOWN parity keyword */", + "/* UNKNOWN parity keyword */", + "/* UNKNOWN parity keyword */" +}; + #endif /* @@ -173,7 +305,7 @@ const u8 acpi_gbl_resource_aml_sizes[] = { ACPI_AML_SIZE_SMALL(struct aml_resource_end_dependent), ACPI_AML_SIZE_SMALL(struct aml_resource_io), ACPI_AML_SIZE_SMALL(struct aml_resource_fixed_io), - 0, + ACPI_AML_SIZE_SMALL(struct aml_resource_fixed_dma), 0, 0, 0, @@ -193,7 +325,17 @@ const u8 acpi_gbl_resource_aml_sizes[] = { ACPI_AML_SIZE_LARGE(struct aml_resource_address16), ACPI_AML_SIZE_LARGE(struct aml_resource_extended_irq), ACPI_AML_SIZE_LARGE(struct aml_resource_address64), - ACPI_AML_SIZE_LARGE(struct aml_resource_extended_address64) + ACPI_AML_SIZE_LARGE(struct aml_resource_extended_address64), + ACPI_AML_SIZE_LARGE(struct aml_resource_gpio), + 0, + ACPI_AML_SIZE_LARGE(struct aml_resource_common_serialbus), +}; + +const u8 acpi_gbl_resource_aml_serial_bus_sizes[] = { + 0, + ACPI_AML_SIZE_LARGE(struct aml_resource_i2c_serialbus), + ACPI_AML_SIZE_LARGE(struct aml_resource_spi_serialbus), + ACPI_AML_SIZE_LARGE(struct aml_resource_uart_serialbus), }; /* @@ -209,35 +351,49 @@ static const u8 acpi_gbl_resource_types[] = { 0, 0, 0, - ACPI_SMALL_VARIABLE_LENGTH, - ACPI_FIXED_LENGTH, - ACPI_SMALL_VARIABLE_LENGTH, - ACPI_FIXED_LENGTH, - ACPI_FIXED_LENGTH, - ACPI_FIXED_LENGTH, - 0, + ACPI_SMALL_VARIABLE_LENGTH, /* 04 IRQ */ + ACPI_FIXED_LENGTH, /* 05 DMA */ + ACPI_SMALL_VARIABLE_LENGTH, /* 06 start_dependent_functions */ + ACPI_FIXED_LENGTH, /* 07 end_dependent_functions */ + ACPI_FIXED_LENGTH, /* 08 IO */ + ACPI_FIXED_LENGTH, /* 09 fixed_iO */ + ACPI_FIXED_LENGTH, /* 0_a fixed_dMA */ 0, 0, 0, - ACPI_VARIABLE_LENGTH, - ACPI_FIXED_LENGTH, + ACPI_VARIABLE_LENGTH, /* 0_e vendor_short */ + ACPI_FIXED_LENGTH, /* 0_f end_tag */ /* Large descriptors */ 0, - ACPI_FIXED_LENGTH, - ACPI_FIXED_LENGTH, + ACPI_FIXED_LENGTH, /* 01 Memory24 */ + ACPI_FIXED_LENGTH, /* 02 generic_register */ 0, - ACPI_VARIABLE_LENGTH, - ACPI_FIXED_LENGTH, - ACPI_FIXED_LENGTH, - ACPI_VARIABLE_LENGTH, - ACPI_VARIABLE_LENGTH, - ACPI_VARIABLE_LENGTH, - ACPI_VARIABLE_LENGTH, - ACPI_FIXED_LENGTH + ACPI_VARIABLE_LENGTH, /* 04 vendor_long */ + ACPI_FIXED_LENGTH, /* 05 Memory32 */ + ACPI_FIXED_LENGTH, /* 06 memory32_fixed */ + ACPI_VARIABLE_LENGTH, /* 07 Dword* address */ + ACPI_VARIABLE_LENGTH, /* 08 Word* address */ + ACPI_VARIABLE_LENGTH, /* 09 extended_iRQ */ + ACPI_VARIABLE_LENGTH, /* 0_a Qword* address */ + ACPI_FIXED_LENGTH, /* 0_b Extended* address */ + ACPI_VARIABLE_LENGTH, /* 0_c Gpio* */ + 0, + ACPI_VARIABLE_LENGTH /* 0_e *serial_bus */ }; +/* + * For the i_aSL compiler/disassembler, we don't want any error messages + * because the disassembler uses the resource validation code to determine + * if Buffer objects are actually Resource Templates. + */ +#ifdef ACPI_ASL_COMPILER +#define ACPI_RESOURCE_ERROR(plist) +#else +#define ACPI_RESOURCE_ERROR(plist) ACPI_ERROR(plist) +#endif + /******************************************************************************* * * FUNCTION: acpi_ut_walk_aml_resources @@ -265,6 +421,7 @@ acpi_ut_walk_aml_resources(u8 * aml, u8 resource_index; u32 length; u32 offset = 0; + u8 end_tag[2] = { 0x79, 0x00 }; ACPI_FUNCTION_TRACE(ut_walk_aml_resources); @@ -286,6 +443,10 @@ acpi_ut_walk_aml_resources(u8 * aml, status = acpi_ut_validate_resource(aml, &resource_index); if (ACPI_FAILURE(status)) { + /* + * Exit on failure. Cannot continue because the descriptor length + * may be bogus also. + */ return_ACPI_STATUS(status); } @@ -300,7 +461,7 @@ acpi_ut_walk_aml_resources(u8 * aml, user_function(aml, length, offset, resource_index, context); if (ACPI_FAILURE(status)) { - return (status); + return_ACPI_STATUS(status); } } @@ -333,7 +494,19 @@ acpi_ut_walk_aml_resources(u8 * aml, /* Did not find an end_tag descriptor */ - return (AE_AML_NO_RESOURCE_END_TAG); + if (user_function) { + + /* Insert an end_tag anyway. acpi_rs_get_list_length always leaves room */ + + (void)acpi_ut_validate_resource(end_tag, &resource_index); + status = + user_function(end_tag, 2, offset, resource_index, context); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); + } + } + + return_ACPI_STATUS(AE_AML_NO_RESOURCE_END_TAG); } /******************************************************************************* @@ -354,6 +527,7 @@ acpi_ut_walk_aml_resources(u8 * aml, acpi_status acpi_ut_validate_resource(void *aml, u8 * return_index) { + union aml_resource *aml_resource; u8 resource_type; u8 resource_index; acpi_rs_length resource_length; @@ -375,7 +549,7 @@ acpi_status acpi_ut_validate_resource(void *aml, u8 * return_index) /* Verify the large resource type (name) against the max */ if (resource_type > ACPI_RESOURCE_NAME_LARGE_MAX) { - return (AE_AML_INVALID_RESOURCE_TYPE); + goto invalid_resource; } /* @@ -392,15 +566,17 @@ acpi_status acpi_ut_validate_resource(void *aml, u8 * return_index) ((resource_type & ACPI_RESOURCE_NAME_SMALL_MASK) >> 3); } - /* Check validity of the resource type, zero indicates name is invalid */ - + /* + * Check validity of the resource type, via acpi_gbl_resource_types. Zero + * indicates an invalid resource. + */ if (!acpi_gbl_resource_types[resource_index]) { - return (AE_AML_INVALID_RESOURCE_TYPE); + goto invalid_resource; } /* - * 2) Validate the resource_length field. This ensures that the length - * is at least reasonable, and guarantees that it is non-zero. + * Validate the resource_length field. This ensures that the length + * is at least reasonable, and guarantees that it is non-zero. */ resource_length = acpi_ut_get_resource_length(aml); minimum_resource_length = acpi_gbl_resource_aml_sizes[resource_index]; @@ -413,7 +589,7 @@ acpi_status acpi_ut_validate_resource(void *aml, u8 * return_index) /* Fixed length resource, length must match exactly */ if (resource_length != minimum_resource_length) { - return (AE_AML_BAD_RESOURCE_LENGTH); + goto bad_resource_length; } break; @@ -422,7 +598,7 @@ acpi_status acpi_ut_validate_resource(void *aml, u8 * return_index) /* Variable length resource, length must be at least the minimum */ if (resource_length < minimum_resource_length) { - return (AE_AML_BAD_RESOURCE_LENGTH); + goto bad_resource_length; } break; @@ -432,7 +608,7 @@ acpi_status acpi_ut_validate_resource(void *aml, u8 * return_index) if ((resource_length > minimum_resource_length) || (resource_length < (minimum_resource_length - 1))) { - return (AE_AML_BAD_RESOURCE_LENGTH); + goto bad_resource_length; } break; @@ -440,7 +616,23 @@ acpi_status acpi_ut_validate_resource(void *aml, u8 * return_index) /* Shouldn't happen (because of validation earlier), but be sure */ - return (AE_AML_INVALID_RESOURCE_TYPE); + goto invalid_resource; + } + + aml_resource = ACPI_CAST_PTR(union aml_resource, aml); + if (resource_type == ACPI_RESOURCE_NAME_SERIAL_BUS) { + + /* Validate the bus_type field */ + + if ((aml_resource->common_serial_bus.type == 0) || + (aml_resource->common_serial_bus.type > + AML_RESOURCE_MAX_SERIALBUSTYPE)) { + ACPI_RESOURCE_ERROR((AE_INFO, + "Invalid/unsupported SerialBus resource descriptor: BusType 0x%2.2X", + aml_resource->common_serial_bus. + type)); + return (AE_AML_INVALID_RESOURCE_TYPE); + } } /* Optionally return the resource table index */ @@ -450,6 +642,22 @@ acpi_status acpi_ut_validate_resource(void *aml, u8 * return_index) } return (AE_OK); + + invalid_resource: + + ACPI_RESOURCE_ERROR((AE_INFO, + "Invalid/unsupported resource descriptor: Type 0x%2.2X", + resource_type)); + return (AE_AML_INVALID_RESOURCE_TYPE); + + bad_resource_length: + + ACPI_RESOURCE_ERROR((AE_INFO, + "Invalid resource descriptor length: Type " + "0x%2.2X, Length 0x%4.4X, MinLength 0x%4.4X", + resource_type, resource_length, + minimum_resource_length)); + return (AE_AML_BAD_RESOURCE_LENGTH); } /******************************************************************************* diff --git a/drivers/acpi/acpica/utstate.c b/drivers/acpi/acpica/utstate.c index 30c21e1a9360..4267477c2797 100644 --- a/drivers/acpi/acpica/utstate.c +++ b/drivers/acpi/acpica/utstate.c @@ -5,7 +5,7 @@ ******************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/acpica/utxface.c b/drivers/acpi/acpica/utxface.c index 420ebfe08c72..afa94f51ff0b 100644 --- a/drivers/acpi/acpica/utxface.c +++ b/drivers/acpi/acpica/utxface.c @@ -5,7 +5,7 @@ *****************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -48,6 +48,7 @@ #include "acnamesp.h" #include "acdebug.h" #include "actables.h" +#include "acinterp.h" #define _COMPONENT ACPI_UTILITIES ACPI_MODULE_NAME("utxface") @@ -144,6 +145,8 @@ acpi_status acpi_enable_subsystem(u32 flags) ACPI_FUNCTION_TRACE(acpi_enable_subsystem); +#if (!ACPI_REDUCED_HARDWARE) + /* Enable ACPI mode */ if (!(flags & ACPI_NO_ACPI_ENABLE)) { @@ -168,6 +171,7 @@ acpi_status acpi_enable_subsystem(u32 flags) ACPI_WARNING((AE_INFO, "Could not map the FACS table")); return_ACPI_STATUS(status); } +#endif /* !ACPI_REDUCED_HARDWARE */ /* * Install the default op_region handlers. These are installed unless @@ -183,7 +187,7 @@ acpi_status acpi_enable_subsystem(u32 flags) return_ACPI_STATUS(status); } } - +#if (!ACPI_REDUCED_HARDWARE) /* * Initialize ACPI Event handling (Fixed and General Purpose) * @@ -219,6 +223,7 @@ acpi_status acpi_enable_subsystem(u32 flags) return_ACPI_STATUS(status); } } +#endif /* !ACPI_REDUCED_HARDWARE */ return_ACPI_STATUS(status); } @@ -640,4 +645,41 @@ acpi_status acpi_install_interface_handler(acpi_interface_handler handler) } ACPI_EXPORT_SYMBOL(acpi_install_interface_handler) + +/***************************************************************************** + * + * FUNCTION: acpi_check_address_range + * + * PARAMETERS: space_id - Address space ID + * Address - Start address + * Length - Length + * Warn - TRUE if warning on overlap desired + * + * RETURN: Count of the number of conflicts detected. + * + * DESCRIPTION: Check if the input address range overlaps any of the + * ASL operation region address ranges. + * + ****************************************************************************/ +u32 +acpi_check_address_range(acpi_adr_space_type space_id, + acpi_physical_address address, + acpi_size length, u8 warn) +{ + u32 overlaps; + acpi_status status; + + status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE); + if (ACPI_FAILURE(status)) { + return (0); + } + + overlaps = acpi_ut_check_address_range(space_id, address, + (u32)length, warn); + + (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE); + return (overlaps); +} + +ACPI_EXPORT_SYMBOL(acpi_check_address_range) #endif /* !ACPI_ASL_COMPILER */ diff --git a/drivers/acpi/acpica/utxferror.c b/drivers/acpi/acpica/utxferror.c index 8d0245ec4315..52b568af1819 100644 --- a/drivers/acpi/acpica/utxferror.c +++ b/drivers/acpi/acpica/utxferror.c @@ -5,7 +5,7 @@ ******************************************************************************/ /* - * Copyright (C) 2000 - 2011, Intel Corp. + * Copyright (C) 2000 - 2012, Intel Corp. * All rights reserved. * * Redistribution and use in source and binary forms, with or without diff --git a/drivers/acpi/acpica/utxfmutex.c b/drivers/acpi/acpica/utxfmutex.c new file mode 100644 index 000000000000..1427d191d15a --- /dev/null +++ b/drivers/acpi/acpica/utxfmutex.c @@ -0,0 +1,187 @@ +/******************************************************************************* + * + * Module Name: utxfmutex - external AML mutex access functions + * + ******************************************************************************/ + +/* + * Copyright (C) 2000 - 2012, Intel Corp. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions, and the following disclaimer, + * without modification. + * 2. Redistributions in binary form must reproduce at minimum a disclaimer + * substantially similar to the "NO WARRANTY" disclaimer below + * ("Disclaimer") and any redistribution must be conditioned upon + * including a substantially similar Disclaimer requirement for further + * binary redistribution. + * 3. Neither the names of the above-listed copyright holders nor the names + * of any contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * Alternatively, this software may be distributed under the terms of the + * GNU General Public License ("GPL") version 2 as published by the Free + * Software Foundation. + * + * NO WARRANTY + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING + * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGES. + */ + +#include <acpi/acpi.h> +#include "accommon.h" +#include "acnamesp.h" + +#define _COMPONENT ACPI_UTILITIES +ACPI_MODULE_NAME("utxfmutex") + +/* Local prototypes */ +static acpi_status +acpi_ut_get_mutex_object(acpi_handle handle, + acpi_string pathname, + union acpi_operand_object **ret_obj); + +/******************************************************************************* + * + * FUNCTION: acpi_ut_get_mutex_object + * + * PARAMETERS: Handle - Mutex or prefix handle (optional) + * Pathname - Mutex pathname (optional) + * ret_obj - Where the mutex object is returned + * + * RETURN: Status + * + * DESCRIPTION: Get an AML mutex object. The mutex node is pointed to by + * Handle:Pathname. Either Handle or Pathname can be NULL, but + * not both. + * + ******************************************************************************/ + +static acpi_status +acpi_ut_get_mutex_object(acpi_handle handle, + acpi_string pathname, + union acpi_operand_object **ret_obj) +{ + struct acpi_namespace_node *mutex_node; + union acpi_operand_object *mutex_obj; + acpi_status status; + + /* Parameter validation */ + + if (!ret_obj || (!handle && !pathname)) { + return (AE_BAD_PARAMETER); + } + + /* Get a the namespace node for the mutex */ + + mutex_node = handle; + if (pathname != NULL) { + status = acpi_get_handle(handle, pathname, + ACPI_CAST_PTR(acpi_handle, + &mutex_node)); + if (ACPI_FAILURE(status)) { + return (status); + } + } + + /* Ensure that we actually have a Mutex object */ + + if (!mutex_node || (mutex_node->type != ACPI_TYPE_MUTEX)) { + return (AE_TYPE); + } + + /* Get the low-level mutex object */ + + mutex_obj = acpi_ns_get_attached_object(mutex_node); + if (!mutex_obj) { + return (AE_NULL_OBJECT); + } + + *ret_obj = mutex_obj; + return (AE_OK); +} + +/******************************************************************************* + * + * FUNCTION: acpi_acquire_mutex + * + * PARAMETERS: Handle - Mutex or prefix handle (optional) + * Pathname - Mutex pathname (optional) + * Timeout - Max time to wait for the lock (millisec) + * + * RETURN: Status + * + * DESCRIPTION: Acquire an AML mutex. This is a device driver interface to + * AML mutex objects, and allows for transaction locking between + * drivers and AML code. The mutex node is pointed to by + * Handle:Pathname. Either Handle or Pathname can be NULL, but + * not both. + * + ******************************************************************************/ + +acpi_status +acpi_acquire_mutex(acpi_handle handle, acpi_string pathname, u16 timeout) +{ + acpi_status status; + union acpi_operand_object *mutex_obj; + + /* Get the low-level mutex associated with Handle:Pathname */ + + status = acpi_ut_get_mutex_object(handle, pathname, &mutex_obj); + if (ACPI_FAILURE(status)) { + return (status); + } + + /* Acquire the OS mutex */ + + status = acpi_os_acquire_mutex(mutex_obj->mutex.os_mutex, timeout); + return (status); +} + +/******************************************************************************* + * + * FUNCTION: acpi_release_mutex + * + * PARAMETERS: Handle - Mutex or prefix handle (optional) + * Pathname - Mutex pathname (optional) + * + * RETURN: Status + * + * DESCRIPTION: Release an AML mutex. This is a device driver interface to + * AML mutex objects, and allows for transaction locking between + * drivers and AML code. The mutex node is pointed to by + * Handle:Pathname. Either Handle or Pathname can be NULL, but + * not both. + * + ******************************************************************************/ + +acpi_status acpi_release_mutex(acpi_handle handle, acpi_string pathname) +{ + acpi_status status; + union acpi_operand_object *mutex_obj; + + /* Get the low-level mutex associated with Handle:Pathname */ + + status = acpi_ut_get_mutex_object(handle, pathname, &mutex_obj); + if (ACPI_FAILURE(status)) { + return (status); + } + + /* Release the OS mutex */ + + acpi_os_release_mutex(mutex_obj->mutex.os_mutex); + return (AE_OK); +} diff --git a/drivers/acpi/apei/apei-base.c b/drivers/acpi/apei/apei-base.c index 61540360d5ce..5577762daee1 100644 --- a/drivers/acpi/apei/apei-base.c +++ b/drivers/acpi/apei/apei-base.c @@ -34,13 +34,13 @@ #include <linux/module.h> #include <linux/init.h> #include <linux/acpi.h> +#include <linux/acpi_io.h> #include <linux/slab.h> #include <linux/io.h> #include <linux/kref.h> #include <linux/rculist.h> #include <linux/interrupt.h> #include <linux/debugfs.h> -#include <acpi/atomicio.h> #include "apei-internal.h" @@ -70,7 +70,7 @@ int __apei_exec_read_register(struct acpi_whea_header *entry, u64 *val) { int rc; - rc = acpi_atomic_read(val, &entry->register_region); + rc = apei_read(val, &entry->register_region); if (rc) return rc; *val >>= entry->register_region.bit_offset; @@ -116,13 +116,13 @@ int __apei_exec_write_register(struct acpi_whea_header *entry, u64 val) val <<= entry->register_region.bit_offset; if (entry->flags & APEI_EXEC_PRESERVE_REGISTER) { u64 valr = 0; - rc = acpi_atomic_read(&valr, &entry->register_region); + rc = apei_read(&valr, &entry->register_region); if (rc) return rc; valr &= ~(entry->mask << entry->register_region.bit_offset); val |= valr; } - rc = acpi_atomic_write(val, &entry->register_region); + rc = apei_write(val, &entry->register_region); return rc; } @@ -243,7 +243,7 @@ static int pre_map_gar_callback(struct apei_exec_context *ctx, u8 ins = entry->instruction; if (ctx->ins_table[ins].flags & APEI_EXEC_INS_ACCESS_REGISTER) - return acpi_pre_map_gar(&entry->register_region); + return acpi_os_map_generic_address(&entry->register_region); return 0; } @@ -276,7 +276,7 @@ static int post_unmap_gar_callback(struct apei_exec_context *ctx, u8 ins = entry->instruction; if (ctx->ins_table[ins].flags & APEI_EXEC_INS_ACCESS_REGISTER) - acpi_post_unmap_gar(&entry->register_region); + acpi_os_unmap_generic_address(&entry->register_region); return 0; } @@ -421,6 +421,17 @@ static int apei_resources_merge(struct apei_resources *resources1, return 0; } +int apei_resources_add(struct apei_resources *resources, + unsigned long start, unsigned long size, + bool iomem) +{ + if (iomem) + return apei_res_add(&resources->iomem, start, size); + else + return apei_res_add(&resources->ioport, start, size); +} +EXPORT_SYMBOL_GPL(apei_resources_add); + /* * EINJ has two groups of GARs (EINJ table entry and trigger table * entry), so common resources are subtracted from the trigger table @@ -438,8 +449,19 @@ int apei_resources_sub(struct apei_resources *resources1, } EXPORT_SYMBOL_GPL(apei_resources_sub); +static int apei_get_nvs_callback(__u64 start, __u64 size, void *data) +{ + struct apei_resources *resources = data; + return apei_res_add(&resources->iomem, start, size); +} + +static int apei_get_nvs_resources(struct apei_resources *resources) +{ + return acpi_nvs_for_each_region(apei_get_nvs_callback, resources); +} + /* - * IO memory/port rersource management mechanism is used to check + * IO memory/port resource management mechanism is used to check * whether memory/port area used by GARs conflicts with normal memory * or IO memory/port of devices. */ @@ -448,21 +470,35 @@ int apei_resources_request(struct apei_resources *resources, { struct apei_res *res, *res_bak = NULL; struct resource *r; + struct apei_resources nvs_resources; int rc; rc = apei_resources_sub(resources, &apei_resources_all); if (rc) return rc; + /* + * Some firmware uses ACPI NVS region, that has been marked as + * busy, so exclude it from APEI resources to avoid false + * conflict. + */ + apei_resources_init(&nvs_resources); + rc = apei_get_nvs_resources(&nvs_resources); + if (rc) + goto res_fini; + rc = apei_resources_sub(resources, &nvs_resources); + if (rc) + goto res_fini; + rc = -EINVAL; list_for_each_entry(res, &resources->iomem, list) { r = request_mem_region(res->start, res->end - res->start, desc); if (!r) { pr_err(APEI_PFX - "Can not request iomem region <%016llx-%016llx> for GARs.\n", + "Can not request [mem %#010llx-%#010llx] for %s registers\n", (unsigned long long)res->start, - (unsigned long long)res->end); + (unsigned long long)res->end - 1, desc); res_bak = res; goto err_unmap_iomem; } @@ -472,9 +508,9 @@ int apei_resources_request(struct apei_resources *resources, r = request_region(res->start, res->end - res->start, desc); if (!r) { pr_err(APEI_PFX - "Can not request ioport region <%016llx-%016llx> for GARs.\n", + "Can not request [io %#06llx-%#06llx] for %s registers\n", (unsigned long long)res->start, - (unsigned long long)res->end); + (unsigned long long)res->end - 1, desc); res_bak = res; goto err_unmap_ioport; } @@ -500,6 +536,8 @@ err_unmap_iomem: break; release_mem_region(res->start, res->end - res->start); } +res_fini: + apei_resources_fini(&nvs_resources); return rc; } EXPORT_SYMBOL_GPL(apei_resources_request); @@ -520,38 +558,119 @@ void apei_resources_release(struct apei_resources *resources) } EXPORT_SYMBOL_GPL(apei_resources_release); -static int apei_check_gar(struct acpi_generic_address *reg, u64 *paddr) +static int apei_check_gar(struct acpi_generic_address *reg, u64 *paddr, + u32 *access_bit_width) { - u32 width, space_id; + u32 bit_width, bit_offset, access_size_code, space_id; - width = reg->bit_width; + bit_width = reg->bit_width; + bit_offset = reg->bit_offset; + access_size_code = reg->access_width; space_id = reg->space_id; /* Handle possible alignment issues */ memcpy(paddr, ®->address, sizeof(*paddr)); if (!*paddr) { pr_warning(FW_BUG APEI_PFX - "Invalid physical address in GAR [0x%llx/%u/%u]\n", - *paddr, width, space_id); + "Invalid physical address in GAR [0x%llx/%u/%u/%u/%u]\n", + *paddr, bit_width, bit_offset, access_size_code, + space_id); + return -EINVAL; + } + + if (access_size_code < 1 || access_size_code > 4) { + pr_warning(FW_BUG APEI_PFX + "Invalid access size code in GAR [0x%llx/%u/%u/%u/%u]\n", + *paddr, bit_width, bit_offset, access_size_code, + space_id); return -EINVAL; } + *access_bit_width = 1UL << (access_size_code + 2); - if ((width != 8) && (width != 16) && (width != 32) && (width != 64)) { + if ((bit_width + bit_offset) > *access_bit_width) { pr_warning(FW_BUG APEI_PFX - "Invalid bit width in GAR [0x%llx/%u/%u]\n", - *paddr, width, space_id); + "Invalid bit width + offset in GAR [0x%llx/%u/%u/%u/%u]\n", + *paddr, bit_width, bit_offset, access_size_code, + space_id); return -EINVAL; } if (space_id != ACPI_ADR_SPACE_SYSTEM_MEMORY && space_id != ACPI_ADR_SPACE_SYSTEM_IO) { pr_warning(FW_BUG APEI_PFX - "Invalid address space type in GAR [0x%llx/%u/%u]\n", - *paddr, width, space_id); + "Invalid address space type in GAR [0x%llx/%u/%u/%u/%u]\n", + *paddr, bit_width, bit_offset, access_size_code, + space_id); + return -EINVAL; + } + + return 0; +} + +/* read GAR in interrupt (including NMI) or process context */ +int apei_read(u64 *val, struct acpi_generic_address *reg) +{ + int rc; + u32 access_bit_width; + u64 address; + acpi_status status; + + rc = apei_check_gar(reg, &address, &access_bit_width); + if (rc) + return rc; + + *val = 0; + switch(reg->space_id) { + case ACPI_ADR_SPACE_SYSTEM_MEMORY: + status = acpi_os_read_memory((acpi_physical_address) address, + val, access_bit_width); + if (ACPI_FAILURE(status)) + return -EIO; + break; + case ACPI_ADR_SPACE_SYSTEM_IO: + status = acpi_os_read_port(address, (u32 *)val, + access_bit_width); + if (ACPI_FAILURE(status)) + return -EIO; + break; + default: + return -EINVAL; + } + + return 0; +} +EXPORT_SYMBOL_GPL(apei_read); + +/* write GAR in interrupt (including NMI) or process context */ +int apei_write(u64 val, struct acpi_generic_address *reg) +{ + int rc; + u32 access_bit_width; + u64 address; + acpi_status status; + + rc = apei_check_gar(reg, &address, &access_bit_width); + if (rc) + return rc; + + switch (reg->space_id) { + case ACPI_ADR_SPACE_SYSTEM_MEMORY: + status = acpi_os_write_memory((acpi_physical_address) address, + val, access_bit_width); + if (ACPI_FAILURE(status)) + return -EIO; + break; + case ACPI_ADR_SPACE_SYSTEM_IO: + status = acpi_os_write_port(address, val, access_bit_width); + if (ACPI_FAILURE(status)) + return -EIO; + break; + default: return -EINVAL; } return 0; } +EXPORT_SYMBOL_GPL(apei_write); static int collect_res_callback(struct apei_exec_context *ctx, struct acpi_whea_header *entry, @@ -560,23 +679,24 @@ static int collect_res_callback(struct apei_exec_context *ctx, struct apei_resources *resources = data; struct acpi_generic_address *reg = &entry->register_region; u8 ins = entry->instruction; + u32 access_bit_width; u64 paddr; int rc; if (!(ctx->ins_table[ins].flags & APEI_EXEC_INS_ACCESS_REGISTER)) return 0; - rc = apei_check_gar(reg, &paddr); + rc = apei_check_gar(reg, &paddr, &access_bit_width); if (rc) return rc; switch (reg->space_id) { case ACPI_ADR_SPACE_SYSTEM_MEMORY: return apei_res_add(&resources->iomem, paddr, - reg->bit_width / 8); + access_bit_width / 8); case ACPI_ADR_SPACE_SYSTEM_IO: return apei_res_add(&resources->ioport, paddr, - reg->bit_width / 8); + access_bit_width / 8); default: return -EINVAL; } diff --git a/drivers/acpi/apei/apei-internal.h b/drivers/acpi/apei/apei-internal.h index f57050e7a5e7..cca240a33038 100644 --- a/drivers/acpi/apei/apei-internal.h +++ b/drivers/acpi/apei/apei-internal.h @@ -68,6 +68,9 @@ static inline int apei_exec_run_optional(struct apei_exec_context *ctx, u8 actio /* IP has been set in instruction function */ #define APEI_EXEC_SET_IP 1 +int apei_read(u64 *val, struct acpi_generic_address *reg); +int apei_write(u64 val, struct acpi_generic_address *reg); + int __apei_exec_read_register(struct acpi_whea_header *entry, u64 *val); int __apei_exec_write_register(struct acpi_whea_header *entry, u64 val); int apei_exec_read_register(struct apei_exec_context *ctx, @@ -95,6 +98,9 @@ static inline void apei_resources_init(struct apei_resources *resources) } void apei_resources_fini(struct apei_resources *resources); +int apei_resources_add(struct apei_resources *resources, + unsigned long start, unsigned long size, + bool iomem); int apei_resources_sub(struct apei_resources *resources1, struct apei_resources *resources2); int apei_resources_request(struct apei_resources *resources, diff --git a/drivers/acpi/apei/cper.c b/drivers/acpi/apei/cper.c index 5d4189464d63..e6defd86b424 100644 --- a/drivers/acpi/apei/cper.c +++ b/drivers/acpi/apei/cper.c @@ -362,6 +362,7 @@ void apei_estatus_print(const char *pfx, gedata_len = gdata->error_data_length; apei_estatus_print_section(pfx, gdata, sec_no); data_len -= gedata_len + sizeof(*gdata); + gdata = (void *)(gdata + 1) + gedata_len; sec_no++; } } @@ -396,6 +397,7 @@ int apei_estatus_check(const struct acpi_hest_generic_status *estatus) if (gedata_len > data_len - sizeof(*gdata)) return -EINVAL; data_len -= gedata_len + sizeof(*gdata); + gdata = (void *)(gdata + 1) + gedata_len; } if (data_len) return -EINVAL; diff --git a/drivers/acpi/apei/einj.c b/drivers/acpi/apei/einj.c index 589b96c38704..8e1793649ec0 100644 --- a/drivers/acpi/apei/einj.c +++ b/drivers/acpi/apei/einj.c @@ -43,6 +43,44 @@ #define FIRMWARE_TIMEOUT (1 * NSEC_PER_MSEC) /* + * ACPI version 5 provides a SET_ERROR_TYPE_WITH_ADDRESS action. + */ +static int acpi5; + +struct set_error_type_with_address { + u32 type; + u32 vendor_extension; + u32 flags; + u32 apicid; + u64 memory_address; + u64 memory_address_range; + u32 pcie_sbdf; +}; +enum { + SETWA_FLAGS_APICID = 1, + SETWA_FLAGS_MEM = 2, + SETWA_FLAGS_PCIE_SBDF = 4, +}; + +/* + * Vendor extensions for platform specific operations + */ +struct vendor_error_type_extension { + u32 length; + u32 pcie_sbdf; + u16 vendor_id; + u16 device_id; + u8 rev_id; + u8 reserved[3]; +}; + +static u32 notrigger; + +static u32 vendor_flags; +static struct debugfs_blob_wrapper vendor_blob; +static char vendor_dev[64]; + +/* * Some BIOSes allow parameters to the SET_ERROR_TYPE entries in the * EINJ table through an unpublished extension. Use with caution as * most will ignore the parameter and make their own choice of address @@ -103,15 +141,7 @@ static struct apei_exec_ins_type einj_ins_type[] = { */ static DEFINE_MUTEX(einj_mutex); -static struct einj_parameter *einj_param; - -#ifndef writeq -static inline void writeq(__u64 val, volatile void __iomem *addr) -{ - writel(val, addr); - writel(val >> 32, addr+4); -} -#endif +static void *einj_param; static void einj_exec_ctx_init(struct apei_exec_context *ctx) { @@ -158,10 +188,30 @@ static int einj_timedout(u64 *t) return 0; } -static u64 einj_get_parameter_address(void) +static void check_vendor_extension(u64 paddr, + struct set_error_type_with_address *v5param) +{ + int offset = v5param->vendor_extension; + struct vendor_error_type_extension *v; + u32 sbdf; + + if (!offset) + return; + v = acpi_os_map_memory(paddr + offset, sizeof(*v)); + if (!v) + return; + sbdf = v->pcie_sbdf; + sprintf(vendor_dev, "%x:%x:%x.%x vendor_id=%x device_id=%x rev_id=%x\n", + sbdf >> 24, (sbdf >> 16) & 0xff, + (sbdf >> 11) & 0x1f, (sbdf >> 8) & 0x7, + v->vendor_id, v->device_id, v->rev_id); + acpi_os_unmap_memory(v, sizeof(*v)); +} + +static void *einj_get_parameter_address(void) { int i; - u64 paddr = 0; + u64 paddrv4 = 0, paddrv5 = 0; struct acpi_whea_header *entry; entry = EINJ_TAB_ENTRY(einj_tab); @@ -170,12 +220,40 @@ static u64 einj_get_parameter_address(void) entry->instruction == ACPI_EINJ_WRITE_REGISTER && entry->register_region.space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY) - memcpy(&paddr, &entry->register_region.address, - sizeof(paddr)); + memcpy(&paddrv4, &entry->register_region.address, + sizeof(paddrv4)); + if (entry->action == ACPI_EINJ_SET_ERROR_TYPE_WITH_ADDRESS && + entry->instruction == ACPI_EINJ_WRITE_REGISTER && + entry->register_region.space_id == + ACPI_ADR_SPACE_SYSTEM_MEMORY) + memcpy(&paddrv5, &entry->register_region.address, + sizeof(paddrv5)); entry++; } + if (paddrv5) { + struct set_error_type_with_address *v5param; + + v5param = acpi_os_map_memory(paddrv5, sizeof(*v5param)); + if (v5param) { + acpi5 = 1; + check_vendor_extension(paddrv5, v5param); + return v5param; + } + } + if (param_extension && paddrv4) { + struct einj_parameter *v4param; + + v4param = acpi_os_map_memory(paddrv4, sizeof(*v4param)); + if (!v4param) + return NULL; + if (v4param->reserved1 || v4param->reserved2) { + acpi_os_unmap_memory(v4param, sizeof(*v4param)); + return NULL; + } + return v4param; + } - return paddr; + return NULL; } /* do sanity check to trigger table */ @@ -184,7 +262,7 @@ static int einj_check_trigger_header(struct acpi_einj_trigger *trigger_tab) if (trigger_tab->header_size != sizeof(struct acpi_einj_trigger)) return -EINVAL; if (trigger_tab->table_size > PAGE_SIZE || - trigger_tab->table_size <= trigger_tab->header_size) + trigger_tab->table_size < trigger_tab->header_size) return -EINVAL; if (trigger_tab->entry_count != (trigger_tab->table_size - trigger_tab->header_size) / @@ -194,8 +272,29 @@ static int einj_check_trigger_header(struct acpi_einj_trigger *trigger_tab) return 0; } +static struct acpi_generic_address *einj_get_trigger_parameter_region( + struct acpi_einj_trigger *trigger_tab, u64 param1, u64 param2) +{ + int i; + struct acpi_whea_header *entry; + + entry = (struct acpi_whea_header *) + ((char *)trigger_tab + sizeof(struct acpi_einj_trigger)); + for (i = 0; i < trigger_tab->entry_count; i++) { + if (entry->action == ACPI_EINJ_TRIGGER_ERROR && + entry->instruction == ACPI_EINJ_WRITE_REGISTER_VALUE && + entry->register_region.space_id == + ACPI_ADR_SPACE_SYSTEM_MEMORY && + (entry->register_region.address & param2) == (param1 & param2)) + return &entry->register_region; + entry++; + } + + return NULL; +} /* Execute instructions in trigger error action table */ -static int __einj_error_trigger(u64 trigger_paddr) +static int __einj_error_trigger(u64 trigger_paddr, u32 type, + u64 param1, u64 param2) { struct acpi_einj_trigger *trigger_tab = NULL; struct apei_exec_context trigger_ctx; @@ -204,14 +303,16 @@ static int __einj_error_trigger(u64 trigger_paddr) struct resource *r; u32 table_size; int rc = -EIO; + struct acpi_generic_address *trigger_param_region = NULL; r = request_mem_region(trigger_paddr, sizeof(*trigger_tab), "APEI EINJ Trigger Table"); if (!r) { pr_err(EINJ_PFX - "Can not request iomem region <%016llx-%016llx> for Trigger table.\n", + "Can not request [mem %#010llx-%#010llx] for Trigger table\n", (unsigned long long)trigger_paddr, - (unsigned long long)trigger_paddr+sizeof(*trigger_tab)); + (unsigned long long)trigger_paddr + + sizeof(*trigger_tab) - 1); goto out; } trigger_tab = ioremap_cache(trigger_paddr, sizeof(*trigger_tab)); @@ -225,6 +326,11 @@ static int __einj_error_trigger(u64 trigger_paddr) "The trigger error action table is invalid\n"); goto out_rel_header; } + + /* No action structures in the TRIGGER_ERROR table, nothing to do */ + if (!trigger_tab->entry_count) + goto out_rel_header; + rc = -EIO; table_size = trigger_tab->table_size; r = request_mem_region(trigger_paddr + sizeof(*trigger_tab), @@ -232,9 +338,9 @@ static int __einj_error_trigger(u64 trigger_paddr) "APEI EINJ Trigger Table"); if (!r) { pr_err(EINJ_PFX -"Can not request iomem region <%016llx-%016llx> for Trigger Table Entry.\n", - (unsigned long long)trigger_paddr+sizeof(*trigger_tab), - (unsigned long long)trigger_paddr + table_size); +"Can not request [mem %#010llx-%#010llx] for Trigger Table Entry\n", + (unsigned long long)trigger_paddr + sizeof(*trigger_tab), + (unsigned long long)trigger_paddr + table_size - 1); goto out_rel_header; } iounmap(trigger_tab); @@ -255,6 +361,30 @@ static int __einj_error_trigger(u64 trigger_paddr) rc = apei_resources_sub(&trigger_resources, &einj_resources); if (rc) goto out_fini; + /* + * Some firmware will access target address specified in + * param1 to trigger the error when injecting memory error. + * This will cause resource conflict with regular memory. So + * remove it from trigger table resources. + */ + if (param_extension && (type & 0x0038) && param2) { + struct apei_resources addr_resources; + apei_resources_init(&addr_resources); + trigger_param_region = einj_get_trigger_parameter_region( + trigger_tab, param1, param2); + if (trigger_param_region) { + rc = apei_resources_add(&addr_resources, + trigger_param_region->address, + trigger_param_region->bit_width/8, true); + if (rc) + goto out_fini; + rc = apei_resources_sub(&trigger_resources, + &addr_resources); + } + apei_resources_fini(&addr_resources); + if (rc) + goto out_fini; + } rc = apei_resources_request(&trigger_resources, "APEI EINJ Trigger"); if (rc) goto out_fini; @@ -293,12 +423,56 @@ static int __einj_error_inject(u32 type, u64 param1, u64 param2) if (rc) return rc; apei_exec_ctx_set_input(&ctx, type); - rc = apei_exec_run(&ctx, ACPI_EINJ_SET_ERROR_TYPE); - if (rc) - return rc; - if (einj_param) { - writeq(param1, &einj_param->param1); - writeq(param2, &einj_param->param2); + if (acpi5) { + struct set_error_type_with_address *v5param = einj_param; + + v5param->type = type; + if (type & 0x80000000) { + switch (vendor_flags) { + case SETWA_FLAGS_APICID: + v5param->apicid = param1; + break; + case SETWA_FLAGS_MEM: + v5param->memory_address = param1; + v5param->memory_address_range = param2; + break; + case SETWA_FLAGS_PCIE_SBDF: + v5param->pcie_sbdf = param1; + break; + } + v5param->flags = vendor_flags; + } else { + switch (type) { + case ACPI_EINJ_PROCESSOR_CORRECTABLE: + case ACPI_EINJ_PROCESSOR_UNCORRECTABLE: + case ACPI_EINJ_PROCESSOR_FATAL: + v5param->apicid = param1; + v5param->flags = SETWA_FLAGS_APICID; + break; + case ACPI_EINJ_MEMORY_CORRECTABLE: + case ACPI_EINJ_MEMORY_UNCORRECTABLE: + case ACPI_EINJ_MEMORY_FATAL: + v5param->memory_address = param1; + v5param->memory_address_range = param2; + v5param->flags = SETWA_FLAGS_MEM; + break; + case ACPI_EINJ_PCIX_CORRECTABLE: + case ACPI_EINJ_PCIX_UNCORRECTABLE: + case ACPI_EINJ_PCIX_FATAL: + v5param->pcie_sbdf = param1; + v5param->flags = SETWA_FLAGS_PCIE_SBDF; + break; + } + } + } else { + rc = apei_exec_run(&ctx, ACPI_EINJ_SET_ERROR_TYPE); + if (rc) + return rc; + if (einj_param) { + struct einj_parameter *v4param = einj_param; + v4param->param1 = param1; + v4param->param2 = param2; + } } rc = apei_exec_run(&ctx, ACPI_EINJ_EXECUTE_OPERATION); if (rc) @@ -324,9 +498,11 @@ static int __einj_error_inject(u32 type, u64 param1, u64 param2) if (rc) return rc; trigger_paddr = apei_exec_ctx_get_output(&ctx); - rc = __einj_error_trigger(trigger_paddr); - if (rc) - return rc; + if (notrigger == 0) { + rc = __einj_error_trigger(trigger_paddr, type, param1, param2); + if (rc) + return rc; + } rc = apei_exec_run_optional(&ctx, ACPI_EINJ_END_OPERATION); return rc; @@ -408,15 +584,25 @@ static int error_type_set(void *data, u64 val) { int rc; u32 available_error_type = 0; + u32 tval, vendor; + + /* + * Vendor defined types have 0x80000000 bit set, and + * are not enumerated by ACPI_EINJ_GET_ERROR_TYPE + */ + vendor = val & 0x80000000; + tval = val & 0x7fffffff; /* Only one error type can be specified */ - if (val & (val - 1)) - return -EINVAL; - rc = einj_get_available_error_type(&available_error_type); - if (rc) - return rc; - if (!(val & available_error_type)) + if (tval & (tval - 1)) return -EINVAL; + if (!vendor) { + rc = einj_get_available_error_type(&available_error_type); + if (rc) + return rc; + if (!(val & available_error_type)) + return -EINVAL; + } error_type = val; return 0; @@ -455,7 +641,6 @@ static int einj_check_table(struct acpi_table_einj *einj_tab) static int __init einj_init(void) { int rc; - u64 param_paddr; acpi_status status; struct dentry *fentry; struct apei_exec_context ctx; @@ -465,10 +650,9 @@ static int __init einj_init(void) status = acpi_get_table(ACPI_SIG_EINJ, 0, (struct acpi_table_header **)&einj_tab); - if (status == AE_NOT_FOUND) { - pr_info(EINJ_PFX "Table is not found!\n"); + if (status == AE_NOT_FOUND) return -ENODEV; - } else if (ACPI_FAILURE(status)) { + else if (ACPI_FAILURE(status)) { const char *msg = acpi_format_exception(status); pr_err(EINJ_PFX "Failed to get table, %s\n", msg); return -EINVAL; @@ -509,23 +693,35 @@ static int __init einj_init(void) rc = apei_exec_pre_map_gars(&ctx); if (rc) goto err_release; - if (param_extension) { - param_paddr = einj_get_parameter_address(); - if (param_paddr) { - einj_param = ioremap(param_paddr, sizeof(*einj_param)); - rc = -ENOMEM; - if (!einj_param) - goto err_unmap; - fentry = debugfs_create_x64("param1", S_IRUSR | S_IWUSR, - einj_debug_dir, &error_param1); - if (!fentry) - goto err_unmap; - fentry = debugfs_create_x64("param2", S_IRUSR | S_IWUSR, - einj_debug_dir, &error_param2); - if (!fentry) - goto err_unmap; - } else - pr_warn(EINJ_PFX "Parameter extension is not supported.\n"); + + einj_param = einj_get_parameter_address(); + if ((param_extension || acpi5) && einj_param) { + fentry = debugfs_create_x64("param1", S_IRUSR | S_IWUSR, + einj_debug_dir, &error_param1); + if (!fentry) + goto err_unmap; + fentry = debugfs_create_x64("param2", S_IRUSR | S_IWUSR, + einj_debug_dir, &error_param2); + if (!fentry) + goto err_unmap; + + fentry = debugfs_create_x32("notrigger", S_IRUSR | S_IWUSR, + einj_debug_dir, ¬rigger); + if (!fentry) + goto err_unmap; + } + + if (vendor_dev[0]) { + vendor_blob.data = vendor_dev; + vendor_blob.size = strlen(vendor_dev); + fentry = debugfs_create_blob("vendor", S_IRUSR, + einj_debug_dir, &vendor_blob); + if (!fentry) + goto err_unmap; + fentry = debugfs_create_x32("vendor_flags", S_IRUSR | S_IWUSR, + einj_debug_dir, &vendor_flags); + if (!fentry) + goto err_unmap; } pr_info(EINJ_PFX "Error INJection is initialized.\n"); @@ -533,8 +729,13 @@ static int __init einj_init(void) return 0; err_unmap: - if (einj_param) - iounmap(einj_param); + if (einj_param) { + acpi_size size = (acpi5) ? + sizeof(struct set_error_type_with_address) : + sizeof(struct einj_parameter); + + acpi_os_unmap_memory(einj_param, size); + } apei_exec_post_unmap_gars(&ctx); err_release: apei_resources_release(&einj_resources); @@ -550,8 +751,13 @@ static void __exit einj_exit(void) { struct apei_exec_context ctx; - if (einj_param) - iounmap(einj_param); + if (einj_param) { + acpi_size size = (acpi5) ? + sizeof(struct set_error_type_with_address) : + sizeof(struct einj_parameter); + + acpi_os_unmap_memory(einj_param, size); + } einj_exec_ctx_init(&ctx); apei_exec_post_unmap_gars(&ctx); apei_resources_release(&einj_resources); diff --git a/drivers/acpi/apei/erst.c b/drivers/acpi/apei/erst.c index 6a9e3bad13f4..e4d9d24eb73d 100644 --- a/drivers/acpi/apei/erst.c +++ b/drivers/acpi/apei/erst.c @@ -917,7 +917,7 @@ static int erst_check_table(struct acpi_table_erst *erst_tab) { if ((erst_tab->header_length != (sizeof(struct acpi_table_erst) - sizeof(erst_tab->header))) - && (erst_tab->header_length != sizeof(struct acpi_table_einj))) + && (erst_tab->header_length != sizeof(struct acpi_table_erst))) return -EINVAL; if (erst_tab->header.length < sizeof(struct acpi_table_erst)) return -EINVAL; @@ -1127,10 +1127,9 @@ static int __init erst_init(void) status = acpi_get_table(ACPI_SIG_ERST, 0, (struct acpi_table_header **)&erst_tab); - if (status == AE_NOT_FOUND) { - pr_info(ERST_PFX "Table is not found!\n"); + if (status == AE_NOT_FOUND) goto err; - } else if (ACPI_FAILURE(status)) { + else if (ACPI_FAILURE(status)) { const char *msg = acpi_format_exception(status); pr_err(ERST_PFX "Failed to get table, %s\n", msg); rc = -EINVAL; diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c index b8e08cb67a18..9b3cac0abecc 100644 --- a/drivers/acpi/apei/ghes.c +++ b/drivers/acpi/apei/ghes.c @@ -33,6 +33,7 @@ #include <linux/module.h> #include <linux/init.h> #include <linux/acpi.h> +#include <linux/acpi_io.h> #include <linux/io.h> #include <linux/interrupt.h> #include <linux/timer.h> @@ -45,8 +46,9 @@ #include <linux/irq_work.h> #include <linux/llist.h> #include <linux/genalloc.h> +#include <linux/pci.h> +#include <linux/aer.h> #include <acpi/apei.h> -#include <acpi/atomicio.h> #include <acpi/hed.h> #include <asm/mce.h> #include <asm/tlbflush.h> @@ -118,7 +120,7 @@ struct ghes_estatus_cache { struct rcu_head rcu; }; -int ghes_disable; +bool ghes_disable; module_param_named(disable, ghes_disable, bool, 0); static int ghes_panic_timeout __read_mostly = 30; @@ -299,7 +301,7 @@ static struct ghes *ghes_new(struct acpi_hest_generic *generic) if (!ghes) return ERR_PTR(-ENOMEM); ghes->generic = generic; - rc = acpi_pre_map_gar(&generic->error_status_address); + rc = acpi_os_map_generic_address(&generic->error_status_address); if (rc) goto err_free; error_block_length = generic->error_block_length; @@ -319,7 +321,7 @@ static struct ghes *ghes_new(struct acpi_hest_generic *generic) return ghes; err_unmap: - acpi_post_unmap_gar(&generic->error_status_address); + acpi_os_unmap_generic_address(&generic->error_status_address); err_free: kfree(ghes); return ERR_PTR(rc); @@ -328,7 +330,7 @@ err_free: static void ghes_fini(struct ghes *ghes) { kfree(ghes->estatus); - acpi_post_unmap_gar(&ghes->generic->error_status_address); + acpi_os_unmap_generic_address(&ghes->generic->error_status_address); } enum { @@ -399,7 +401,7 @@ static int ghes_read_estatus(struct ghes *ghes, int silent) u32 len; int rc; - rc = acpi_atomic_read(&buf_paddr, &g->error_status_address); + rc = apei_read(&buf_paddr, &g->error_status_address); if (rc) { if (!silent && printk_ratelimit()) pr_warning(FW_WARN GHES_PFX @@ -476,6 +478,27 @@ static void ghes_do_proc(const struct acpi_hest_generic_status *estatus) } #endif } +#ifdef CONFIG_ACPI_APEI_PCIEAER + else if (!uuid_le_cmp(*(uuid_le *)gdata->section_type, + CPER_SEC_PCIE)) { + struct cper_sec_pcie *pcie_err; + pcie_err = (struct cper_sec_pcie *)(gdata+1); + if (sev == GHES_SEV_RECOVERABLE && + sec_sev == GHES_SEV_RECOVERABLE && + pcie_err->validation_bits & CPER_PCIE_VALID_DEVICE_ID && + pcie_err->validation_bits & CPER_PCIE_VALID_AER_INFO) { + unsigned int devfn; + int aer_severity; + devfn = PCI_DEVFN(pcie_err->device_id.device, + pcie_err->device_id.function); + aer_severity = cper_severity_to_aer(sev); + aer_recover_queue(pcie_err->device_id.segment, + pcie_err->device_id.bus, + devfn, aer_severity); + } + + } +#endif } } @@ -483,16 +506,22 @@ static void __ghes_print_estatus(const char *pfx, const struct acpi_hest_generic *generic, const struct acpi_hest_generic_status *estatus) { + static atomic_t seqno; + unsigned int curr_seqno; + char pfx_seq[64]; + if (pfx == NULL) { if (ghes_severity(estatus->error_severity) <= GHES_SEV_CORRECTED) - pfx = KERN_WARNING HW_ERR; + pfx = KERN_WARNING; else - pfx = KERN_ERR HW_ERR; + pfx = KERN_ERR; } + curr_seqno = atomic_inc_return(&seqno); + snprintf(pfx_seq, sizeof(pfx_seq), "%s{%u}" HW_ERR, pfx, curr_seqno); printk("%s""Hardware error from APEI Generic Hardware Error Source: %d\n", - pfx, generic->header.source_id); - apei_estatus_print(pfx, estatus); + pfx_seq, generic->header.source_id); + apei_estatus_print(pfx_seq, estatus); } static int ghes_print_estatus(const char *pfx, @@ -711,26 +740,34 @@ static int ghes_notify_sci(struct notifier_block *this, return ret; } +static struct llist_node *llist_nodes_reverse(struct llist_node *llnode) +{ + struct llist_node *next, *tail = NULL; + + while (llnode) { + next = llnode->next; + llnode->next = tail; + tail = llnode; + llnode = next; + } + + return tail; +} + static void ghes_proc_in_irq(struct irq_work *irq_work) { - struct llist_node *llnode, *next, *tail = NULL; + struct llist_node *llnode, *next; struct ghes_estatus_node *estatus_node; struct acpi_hest_generic *generic; struct acpi_hest_generic_status *estatus; u32 len, node_len; + llnode = llist_del_all(&ghes_estatus_llist); /* * Because the time order of estatus in list is reversed, * revert it back to proper order. */ - llnode = llist_del_all(&ghes_estatus_llist); - while (llnode) { - next = llnode->next; - llnode->next = tail; - tail = llnode; - llnode = next; - } - llnode = tail; + llnode = llist_nodes_reverse(llnode); while (llnode) { next = llnode->next; estatus_node = llist_entry(llnode, struct ghes_estatus_node, @@ -750,6 +787,32 @@ static void ghes_proc_in_irq(struct irq_work *irq_work) } } +static void ghes_print_queued_estatus(void) +{ + struct llist_node *llnode; + struct ghes_estatus_node *estatus_node; + struct acpi_hest_generic *generic; + struct acpi_hest_generic_status *estatus; + u32 len, node_len; + + llnode = llist_del_all(&ghes_estatus_llist); + /* + * Because the time order of estatus in list is reversed, + * revert it back to proper order. + */ + llnode = llist_nodes_reverse(llnode); + while (llnode) { + estatus_node = llist_entry(llnode, struct ghes_estatus_node, + llnode); + estatus = GHES_ESTATUS_FROM_NODE(estatus_node); + len = apei_estatus_len(estatus); + node_len = GHES_ESTATUS_NODE_LEN(len); + generic = estatus_node->generic; + ghes_print_estatus(NULL, generic, estatus); + llnode = llnode->next; + } +} + static int ghes_notify_nmi(unsigned int cmd, struct pt_regs *regs) { struct ghes *ghes, *ghes_global = NULL; @@ -775,7 +838,8 @@ static int ghes_notify_nmi(unsigned int cmd, struct pt_regs *regs) if (sev_global >= GHES_SEV_PANIC) { oops_begin(); - __ghes_print_estatus(KERN_EMERG HW_ERR, ghes_global->generic, + ghes_print_queued_estatus(); + __ghes_print_estatus(KERN_EMERG, ghes_global->generic, ghes_global->estatus); /* reboot to log the error! */ if (panic_timeout == 0) diff --git a/drivers/acpi/apei/hest.c b/drivers/acpi/apei/hest.c index 05fee06f4d6e..7f00cf38098f 100644 --- a/drivers/acpi/apei/hest.c +++ b/drivers/acpi/apei/hest.c @@ -41,7 +41,7 @@ #define HEST_PFX "HEST: " -int hest_disable; +bool hest_disable; EXPORT_SYMBOL_GPL(hest_disable); /* HEST table parsing */ @@ -221,10 +221,9 @@ void __init acpi_hest_init(void) status = acpi_get_table(ACPI_SIG_HEST, 0, (struct acpi_table_header **)&hest_tab); - if (status == AE_NOT_FOUND) { - pr_info(HEST_PFX "Table not found.\n"); + if (status == AE_NOT_FOUND) goto err; - } else if (ACPI_FAILURE(status)) { + else if (ACPI_FAILURE(status)) { const char *msg = acpi_format_exception(status); pr_err(HEST_PFX "Failed to get table, %s\n", msg); rc = -EINVAL; diff --git a/drivers/acpi/atomicio.c b/drivers/acpi/atomicio.c deleted file mode 100644 index cfc0cc10af39..000000000000 --- a/drivers/acpi/atomicio.c +++ /dev/null @@ -1,365 +0,0 @@ -/* - * atomicio.c - ACPI IO memory pre-mapping/post-unmapping, then - * accessing in atomic context. - * - * This is used for NMI handler to access IO memory area, because - * ioremap/iounmap can not be used in NMI handler. The IO memory area - * is pre-mapped in process context and accessed in NMI handler. - * - * Copyright (C) 2009-2010, Intel Corp. - * Author: Huang Ying <ying.huang@intel.com> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License version - * 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#include <linux/kernel.h> -#include <linux/export.h> -#include <linux/init.h> -#include <linux/acpi.h> -#include <linux/io.h> -#include <linux/kref.h> -#include <linux/rculist.h> -#include <linux/interrupt.h> -#include <linux/slab.h> -#include <acpi/atomicio.h> - -#define ACPI_PFX "ACPI: " - -static LIST_HEAD(acpi_iomaps); -/* - * Used for mutual exclusion between writers of acpi_iomaps list, for - * synchronization between readers and writer, RCU is used. - */ -static DEFINE_SPINLOCK(acpi_iomaps_lock); - -struct acpi_iomap { - struct list_head list; - void __iomem *vaddr; - unsigned long size; - phys_addr_t paddr; - struct kref ref; -}; - -/* acpi_iomaps_lock or RCU read lock must be held before calling */ -static struct acpi_iomap *__acpi_find_iomap(phys_addr_t paddr, - unsigned long size) -{ - struct acpi_iomap *map; - - list_for_each_entry_rcu(map, &acpi_iomaps, list) { - if (map->paddr + map->size >= paddr + size && - map->paddr <= paddr) - return map; - } - return NULL; -} - -/* - * Atomic "ioremap" used by NMI handler, if the specified IO memory - * area is not pre-mapped, NULL will be returned. - * - * acpi_iomaps_lock or RCU read lock must be held before calling - */ -static void __iomem *__acpi_ioremap_fast(phys_addr_t paddr, - unsigned long size) -{ - struct acpi_iomap *map; - - map = __acpi_find_iomap(paddr, size/8); - if (map) - return map->vaddr + (paddr - map->paddr); - else - return NULL; -} - -/* acpi_iomaps_lock must be held before calling */ -static void __iomem *__acpi_try_ioremap(phys_addr_t paddr, - unsigned long size) -{ - struct acpi_iomap *map; - - map = __acpi_find_iomap(paddr, size); - if (map) { - kref_get(&map->ref); - return map->vaddr + (paddr - map->paddr); - } else - return NULL; -} - -/* - * Used to pre-map the specified IO memory area. First try to find - * whether the area is already pre-mapped, if it is, increase the - * reference count (in __acpi_try_ioremap) and return; otherwise, do - * the real ioremap, and add the mapping into acpi_iomaps list. - */ -static void __iomem *acpi_pre_map(phys_addr_t paddr, - unsigned long size) -{ - void __iomem *vaddr; - struct acpi_iomap *map; - unsigned long pg_sz, flags; - phys_addr_t pg_off; - - spin_lock_irqsave(&acpi_iomaps_lock, flags); - vaddr = __acpi_try_ioremap(paddr, size); - spin_unlock_irqrestore(&acpi_iomaps_lock, flags); - if (vaddr) - return vaddr; - - pg_off = paddr & PAGE_MASK; - pg_sz = ((paddr + size + PAGE_SIZE - 1) & PAGE_MASK) - pg_off; - vaddr = ioremap(pg_off, pg_sz); - if (!vaddr) - return NULL; - map = kmalloc(sizeof(*map), GFP_KERNEL); - if (!map) - goto err_unmap; - INIT_LIST_HEAD(&map->list); - map->paddr = pg_off; - map->size = pg_sz; - map->vaddr = vaddr; - kref_init(&map->ref); - - spin_lock_irqsave(&acpi_iomaps_lock, flags); - vaddr = __acpi_try_ioremap(paddr, size); - if (vaddr) { - spin_unlock_irqrestore(&acpi_iomaps_lock, flags); - iounmap(map->vaddr); - kfree(map); - return vaddr; - } - list_add_tail_rcu(&map->list, &acpi_iomaps); - spin_unlock_irqrestore(&acpi_iomaps_lock, flags); - - return map->vaddr + (paddr - map->paddr); -err_unmap: - iounmap(vaddr); - return NULL; -} - -/* acpi_iomaps_lock must be held before calling */ -static void __acpi_kref_del_iomap(struct kref *ref) -{ - struct acpi_iomap *map; - - map = container_of(ref, struct acpi_iomap, ref); - list_del_rcu(&map->list); -} - -/* - * Used to post-unmap the specified IO memory area. The iounmap is - * done only if the reference count goes zero. - */ -static void acpi_post_unmap(phys_addr_t paddr, unsigned long size) -{ - struct acpi_iomap *map; - unsigned long flags; - int del; - - spin_lock_irqsave(&acpi_iomaps_lock, flags); - map = __acpi_find_iomap(paddr, size); - BUG_ON(!map); - del = kref_put(&map->ref, __acpi_kref_del_iomap); - spin_unlock_irqrestore(&acpi_iomaps_lock, flags); - - if (!del) - return; - - synchronize_rcu(); - iounmap(map->vaddr); - kfree(map); -} - -/* In NMI handler, should set silent = 1 */ -static int acpi_check_gar(struct acpi_generic_address *reg, - u64 *paddr, int silent) -{ - u32 width, space_id; - - width = reg->bit_width; - space_id = reg->space_id; - /* Handle possible alignment issues */ - memcpy(paddr, ®->address, sizeof(*paddr)); - if (!*paddr) { - if (!silent) - pr_warning(FW_BUG ACPI_PFX - "Invalid physical address in GAR [0x%llx/%u/%u]\n", - *paddr, width, space_id); - return -EINVAL; - } - - if ((width != 8) && (width != 16) && (width != 32) && (width != 64)) { - if (!silent) - pr_warning(FW_BUG ACPI_PFX - "Invalid bit width in GAR [0x%llx/%u/%u]\n", - *paddr, width, space_id); - return -EINVAL; - } - - if (space_id != ACPI_ADR_SPACE_SYSTEM_MEMORY && - space_id != ACPI_ADR_SPACE_SYSTEM_IO) { - if (!silent) - pr_warning(FW_BUG ACPI_PFX - "Invalid address space type in GAR [0x%llx/%u/%u]\n", - *paddr, width, space_id); - return -EINVAL; - } - - return 0; -} - -/* Pre-map, working on GAR */ -int acpi_pre_map_gar(struct acpi_generic_address *reg) -{ - u64 paddr; - void __iomem *vaddr; - int rc; - - if (reg->space_id != ACPI_ADR_SPACE_SYSTEM_MEMORY) - return 0; - - rc = acpi_check_gar(reg, &paddr, 0); - if (rc) - return rc; - - vaddr = acpi_pre_map(paddr, reg->bit_width / 8); - if (!vaddr) - return -EIO; - - return 0; -} -EXPORT_SYMBOL_GPL(acpi_pre_map_gar); - -/* Post-unmap, working on GAR */ -int acpi_post_unmap_gar(struct acpi_generic_address *reg) -{ - u64 paddr; - int rc; - - if (reg->space_id != ACPI_ADR_SPACE_SYSTEM_MEMORY) - return 0; - - rc = acpi_check_gar(reg, &paddr, 0); - if (rc) - return rc; - - acpi_post_unmap(paddr, reg->bit_width / 8); - - return 0; -} -EXPORT_SYMBOL_GPL(acpi_post_unmap_gar); - -/* - * Can be used in atomic (including NMI) or process context. RCU read - * lock can only be released after the IO memory area accessing. - */ -static int acpi_atomic_read_mem(u64 paddr, u64 *val, u32 width) -{ - void __iomem *addr; - - rcu_read_lock(); - addr = __acpi_ioremap_fast(paddr, width); - switch (width) { - case 8: - *val = readb(addr); - break; - case 16: - *val = readw(addr); - break; - case 32: - *val = readl(addr); - break; -#ifdef readq - case 64: - *val = readq(addr); - break; -#endif - default: - return -EINVAL; - } - rcu_read_unlock(); - - return 0; -} - -static int acpi_atomic_write_mem(u64 paddr, u64 val, u32 width) -{ - void __iomem *addr; - - rcu_read_lock(); - addr = __acpi_ioremap_fast(paddr, width); - switch (width) { - case 8: - writeb(val, addr); - break; - case 16: - writew(val, addr); - break; - case 32: - writel(val, addr); - break; -#ifdef writeq - case 64: - writeq(val, addr); - break; -#endif - default: - return -EINVAL; - } - rcu_read_unlock(); - - return 0; -} - -/* GAR accessing in atomic (including NMI) or process context */ -int acpi_atomic_read(u64 *val, struct acpi_generic_address *reg) -{ - u64 paddr; - int rc; - - rc = acpi_check_gar(reg, &paddr, 1); - if (rc) - return rc; - - *val = 0; - switch (reg->space_id) { - case ACPI_ADR_SPACE_SYSTEM_MEMORY: - return acpi_atomic_read_mem(paddr, val, reg->bit_width); - case ACPI_ADR_SPACE_SYSTEM_IO: - return acpi_os_read_port(paddr, (u32 *)val, reg->bit_width); - default: - return -EINVAL; - } -} -EXPORT_SYMBOL_GPL(acpi_atomic_read); - -int acpi_atomic_write(u64 val, struct acpi_generic_address *reg) -{ - u64 paddr; - int rc; - - rc = acpi_check_gar(reg, &paddr, 1); - if (rc) - return rc; - - switch (reg->space_id) { - case ACPI_ADR_SPACE_SYSTEM_MEMORY: - return acpi_atomic_write_mem(paddr, val, reg->bit_width); - case ACPI_ADR_SPACE_SYSTEM_IO: - return acpi_os_write_port(paddr, val, reg->bit_width); - default: - return -EINVAL; - } -} -EXPORT_SYMBOL_GPL(acpi_atomic_write); diff --git a/drivers/acpi/bgrt.c b/drivers/acpi/bgrt.c new file mode 100644 index 000000000000..8cf6c46e99fb --- /dev/null +++ b/drivers/acpi/bgrt.c @@ -0,0 +1,175 @@ +/* + * Copyright 2012 Red Hat, Inc <mjg@redhat.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/init.h> +#include <linux/device.h> +#include <linux/sysfs.h> +#include <acpi/acpi.h> +#include <acpi/acpi_bus.h> + +static struct acpi_table_bgrt *bgrt_tab; +static struct kobject *bgrt_kobj; + +struct bmp_header { + u16 id; + u32 size; +} __attribute ((packed)); + +static struct bmp_header bmp_header; + +static ssize_t show_version(struct device *dev, + struct device_attribute *attr, char *buf) +{ + return snprintf(buf, PAGE_SIZE, "%d\n", bgrt_tab->version); +} +static DEVICE_ATTR(version, S_IRUGO, show_version, NULL); + +static ssize_t show_status(struct device *dev, + struct device_attribute *attr, char *buf) +{ + return snprintf(buf, PAGE_SIZE, "%d\n", bgrt_tab->status); +} +static DEVICE_ATTR(status, S_IRUGO, show_status, NULL); + +static ssize_t show_type(struct device *dev, + struct device_attribute *attr, char *buf) +{ + return snprintf(buf, PAGE_SIZE, "%d\n", bgrt_tab->image_type); +} +static DEVICE_ATTR(type, S_IRUGO, show_type, NULL); + +static ssize_t show_xoffset(struct device *dev, + struct device_attribute *attr, char *buf) +{ + return snprintf(buf, PAGE_SIZE, "%d\n", bgrt_tab->image_offset_x); +} +static DEVICE_ATTR(xoffset, S_IRUGO, show_xoffset, NULL); + +static ssize_t show_yoffset(struct device *dev, + struct device_attribute *attr, char *buf) +{ + return snprintf(buf, PAGE_SIZE, "%d\n", bgrt_tab->image_offset_y); +} +static DEVICE_ATTR(yoffset, S_IRUGO, show_yoffset, NULL); + +static ssize_t show_image(struct file *file, struct kobject *kobj, + struct bin_attribute *attr, char *buf, loff_t off, size_t count) +{ + int size = attr->size; + void __iomem *image = attr->private; + + if (off >= size) { + count = 0; + } else { + if (off + count > size) + count = size - off; + + memcpy_fromio(buf, image+off, count); + } + + return count; +} + +static struct bin_attribute image_attr = { + .attr = { + .name = "image", + .mode = S_IRUGO, + }, + .read = show_image, +}; + +static struct attribute *bgrt_attributes[] = { + &dev_attr_version.attr, + &dev_attr_status.attr, + &dev_attr_type.attr, + &dev_attr_xoffset.attr, + &dev_attr_yoffset.attr, + NULL, +}; + +static struct attribute_group bgrt_attribute_group = { + .attrs = bgrt_attributes, +}; + +static int __init bgrt_init(void) +{ + acpi_status status; + int ret; + void __iomem *bgrt; + + if (acpi_disabled) + return -ENODEV; + + status = acpi_get_table("BGRT", 0, + (struct acpi_table_header **)&bgrt_tab); + + if (ACPI_FAILURE(status)) + return -ENODEV; + + sysfs_bin_attr_init(&image_attr); + + bgrt = ioremap(bgrt_tab->image_address, sizeof(struct bmp_header)); + + if (!bgrt) { + ret = -EINVAL; + goto out_err; + } + + memcpy_fromio(&bmp_header, bgrt, sizeof(bmp_header)); + image_attr.size = bmp_header.size; + iounmap(bgrt); + + image_attr.private = ioremap(bgrt_tab->image_address, image_attr.size); + + if (!image_attr.private) { + ret = -EINVAL; + goto out_err; + } + + + bgrt_kobj = kobject_create_and_add("bgrt", acpi_kobj); + if (!bgrt_kobj) { + ret = -EINVAL; + goto out_iounmap; + } + + ret = sysfs_create_group(bgrt_kobj, &bgrt_attribute_group); + if (ret) + goto out_kobject; + + ret = sysfs_create_bin_file(bgrt_kobj, &image_attr); + if (ret) + goto out_group; + + return 0; + +out_group: + sysfs_remove_group(bgrt_kobj, &bgrt_attribute_group); +out_kobject: + kobject_put(bgrt_kobj); +out_iounmap: + iounmap(image_attr.private); +out_err: + return ret; +} + +static void __exit bgrt_exit(void) +{ + iounmap(image_attr.private); + sysfs_remove_group(bgrt_kobj, &bgrt_attribute_group); + sysfs_remove_bin_file(bgrt_kobj, &image_attr); +} + +module_init(bgrt_init); +module_exit(bgrt_exit); + +MODULE_AUTHOR("Matthew Garrett"); +MODULE_DESCRIPTION("BGRT boot graphic support"); +MODULE_LICENSE("GPL"); diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c index 9ecec98bc76e..3263b68cdfa3 100644 --- a/drivers/acpi/bus.c +++ b/drivers/acpi/bus.c @@ -1010,6 +1010,7 @@ static int __init acpi_bus_init(void) } struct kobject *acpi_kobj; +EXPORT_SYMBOL_GPL(acpi_kobj); static int __init acpi_init(void) { diff --git a/drivers/acpi/dock.c b/drivers/acpi/dock.c index 19a61136d848..88eb14304667 100644 --- a/drivers/acpi/dock.c +++ b/drivers/acpi/dock.c @@ -43,7 +43,7 @@ MODULE_AUTHOR("Kristen Carlson Accardi"); MODULE_DESCRIPTION(ACPI_DOCK_DRIVER_DESCRIPTION); MODULE_LICENSE("GPL"); -static int immediate_undock = 1; +static bool immediate_undock = 1; module_param(immediate_undock, bool, 0644); MODULE_PARM_DESC(immediate_undock, "1 (default) will cause the driver to " "undock immediately when the undock button is pressed, 0 will cause" diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c index b19a18dd994f..7edaccce6640 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -445,6 +445,16 @@ int ec_transaction(u8 command, EXPORT_SYMBOL(ec_transaction); +/* Get the handle to the EC device */ +acpi_handle ec_get_handle(void) +{ + if (!first_ec) + return NULL; + return first_ec->handle; +} + +EXPORT_SYMBOL(ec_get_handle); + void acpi_ec_block_transactions(void) { struct acpi_ec *ec = first_ec; @@ -812,10 +822,10 @@ static int acpi_ec_add(struct acpi_device *device) first_ec = ec; device->driver_data = ec; - WARN(!request_region(ec->data_addr, 1, "EC data"), - "Could not request EC data io port 0x%lx", ec->data_addr); - WARN(!request_region(ec->command_addr, 1, "EC cmd"), - "Could not request EC cmd io port 0x%lx", ec->command_addr); + ret = !!request_region(ec->data_addr, 1, "EC data"); + WARN(!ret, "Could not request EC data io port 0x%lx", ec->data_addr); + ret = !!request_region(ec->command_addr, 1, "EC cmd"); + WARN(!ret, "Could not request EC cmd io port 0x%lx", ec->command_addr); pr_info(PREFIX "GPE = 0x%lx, I/O: command/status = 0x%lx, data = 0x%lx\n", ec->gpe, ec->command_addr, ec->data_addr); diff --git a/drivers/acpi/ec_sys.c b/drivers/acpi/ec_sys.c index b258cab9061c..7586544fddb4 100644 --- a/drivers/acpi/ec_sys.c +++ b/drivers/acpi/ec_sys.c @@ -27,12 +27,6 @@ MODULE_PARM_DESC(write_support, "Dangerous, reboot and removal of battery may " static struct dentry *acpi_ec_debugfs_dir; -static int acpi_ec_open_io(struct inode *i, struct file *f) -{ - f->private_data = i->i_private; - return 0; -} - static ssize_t acpi_ec_read_io(struct file *f, char __user *buf, size_t count, loff_t *off) { @@ -95,7 +89,7 @@ static ssize_t acpi_ec_write_io(struct file *f, const char __user *buf, static const struct file_operations acpi_ec_io_ops = { .owner = THIS_MODULE, - .open = acpi_ec_open_io, + .open = simple_open, .read = acpi_ec_read_io, .write = acpi_ec_write_io, .llseek = default_llseek, diff --git a/drivers/acpi/numa.c b/drivers/acpi/numa.c index 3b5c3189fd99..e56f3be7b07d 100644 --- a/drivers/acpi/numa.c +++ b/drivers/acpi/numa.c @@ -45,6 +45,8 @@ static int pxm_to_node_map[MAX_PXM_DOMAINS] static int node_to_pxm_map[MAX_NUMNODES] = { [0 ... MAX_NUMNODES - 1] = PXM_INVAL }; +unsigned char acpi_srat_revision __initdata; + int pxm_to_node(int pxm) { if (pxm < 0) @@ -255,9 +257,13 @@ acpi_parse_memory_affinity(struct acpi_subtable_header * header, static int __init acpi_parse_srat(struct acpi_table_header *table) { + struct acpi_table_srat *srat; if (!table) return -EINVAL; + srat = (struct acpi_table_srat *)table; + acpi_srat_revision = srat->header.revision; + /* Real work done in acpi_table_parse_srat below. */ return 0; diff --git a/drivers/acpi/nvs.c b/drivers/acpi/nvs.c index 096787b43c96..266bc58ce0ce 100644 --- a/drivers/acpi/nvs.c +++ b/drivers/acpi/nvs.c @@ -15,6 +15,56 @@ #include <linux/acpi_io.h> #include <acpi/acpiosxf.h> +/* ACPI NVS regions, APEI may use it */ + +struct nvs_region { + __u64 phys_start; + __u64 size; + struct list_head node; +}; + +static LIST_HEAD(nvs_region_list); + +#ifdef CONFIG_ACPI_SLEEP +static int suspend_nvs_register(unsigned long start, unsigned long size); +#else +static inline int suspend_nvs_register(unsigned long a, unsigned long b) +{ + return 0; +} +#endif + +int acpi_nvs_register(__u64 start, __u64 size) +{ + struct nvs_region *region; + + region = kmalloc(sizeof(*region), GFP_KERNEL); + if (!region) + return -ENOMEM; + region->phys_start = start; + region->size = size; + list_add_tail(®ion->node, &nvs_region_list); + + return suspend_nvs_register(start, size); +} + +int acpi_nvs_for_each_region(int (*func)(__u64 start, __u64 size, void *data), + void *data) +{ + int rc; + struct nvs_region *region; + + list_for_each_entry(region, &nvs_region_list, node) { + rc = func(region->phys_start, region->size, data); + if (rc) + return rc; + } + + return 0; +} + + +#ifdef CONFIG_ACPI_SLEEP /* * Platforms, like ACPI, may want us to save some memory used by them during * suspend and to restore the contents of this memory during the subsequent @@ -41,12 +91,12 @@ static LIST_HEAD(nvs_list); * things so that the data from page-aligned addresses in this region will * be copied into separate RAM pages. */ -int suspend_nvs_register(unsigned long start, unsigned long size) +static int suspend_nvs_register(unsigned long start, unsigned long size) { struct nvs_page *entry, *next; - pr_info("PM: Registering ACPI NVS region at %lx (%ld bytes)\n", - start, size); + pr_info("PM: Registering ACPI NVS region [mem %#010lx-%#010lx] (%ld bytes)\n", + start, start + size - 1, size); while (size > 0) { unsigned int nr_bytes; @@ -159,3 +209,4 @@ void suspend_nvs_restore(void) if (entry->data) memcpy(entry->kaddr, entry->data, entry->size); } +#endif diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c index f31c5c5f1b7e..ba14fb93c929 100644 --- a/drivers/acpi/osl.c +++ b/drivers/acpi/osl.c @@ -31,6 +31,7 @@ #include <linux/kernel.h> #include <linux/slab.h> #include <linux/mm.h> +#include <linux/highmem.h> #include <linux/pci.h> #include <linux/interrupt.h> #include <linux/kmod.h> @@ -76,6 +77,9 @@ EXPORT_SYMBOL(acpi_in_debugger); extern char line_buf[80]; #endif /*ENABLE_DEBUGGER */ +static int (*__acpi_os_prepare_sleep)(u8 sleep_state, u32 pm1a_ctrl, + u32 pm1b_ctrl); + static acpi_osd_handler acpi_irq_handler; static void *acpi_irq_context; static struct workqueue_struct *kacpid_wq; @@ -83,19 +87,6 @@ static struct workqueue_struct *kacpi_notify_wq; struct workqueue_struct *kacpi_hotplug_wq; EXPORT_SYMBOL(kacpi_hotplug_wq); -struct acpi_res_list { - resource_size_t start; - resource_size_t end; - acpi_adr_space_type resource_type; /* IO port, System memory, ...*/ - char name[5]; /* only can have a length of 4 chars, make use of this - one instead of res->name, no need to kalloc then */ - struct list_head resource_list; - int count; -}; - -static LIST_HEAD(resource_list_head); -static DEFINE_SPINLOCK(acpi_res_lock); - /* * This list of permanent mappings is for memory that may be accessed from * interrupt context, where we can't do the ioremap(). @@ -166,17 +157,21 @@ static u32 acpi_osi_handler(acpi_string interface, u32 supported) return supported; } -static void __init acpi_request_region (struct acpi_generic_address *addr, +static void __init acpi_request_region (struct acpi_generic_address *gas, unsigned int length, char *desc) { - if (!addr->address || !length) + u64 addr; + + /* Handle possible alignment issues */ + memcpy(&addr, &gas->address, sizeof(addr)); + if (!addr || !length) return; /* Resources are never freed */ - if (addr->space_id == ACPI_ADR_SPACE_SYSTEM_IO) - request_region(addr->address, length, desc); - else if (addr->space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY) - request_mem_region(addr->address, length, desc); + if (gas->space_id == ACPI_ADR_SPACE_SYSTEM_IO) + request_region(addr, length, desc); + else if (gas->space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY) + request_mem_region(addr, length, desc); } static int __init acpi_reserve_resources(void) @@ -330,6 +325,37 @@ acpi_map_lookup_virt(void __iomem *virt, acpi_size size) return NULL; } +#ifndef CONFIG_IA64 +#define should_use_kmap(pfn) page_is_ram(pfn) +#else +/* ioremap will take care of cache attributes */ +#define should_use_kmap(pfn) 0 +#endif + +static void __iomem *acpi_map(acpi_physical_address pg_off, unsigned long pg_sz) +{ + unsigned long pfn; + + pfn = pg_off >> PAGE_SHIFT; + if (should_use_kmap(pfn)) { + if (pg_sz > PAGE_SIZE) + return NULL; + return (void __iomem __force *)kmap(pfn_to_page(pfn)); + } else + return acpi_os_ioremap(pg_off, pg_sz); +} + +static void acpi_unmap(acpi_physical_address pg_off, void __iomem *vaddr) +{ + unsigned long pfn; + + pfn = pg_off >> PAGE_SHIFT; + if (should_use_kmap(pfn)) + kunmap(pfn_to_page(pfn)); + else + iounmap(vaddr); +} + void __iomem *__init_refok acpi_os_map_memory(acpi_physical_address phys, acpi_size size) { @@ -362,7 +388,7 @@ acpi_os_map_memory(acpi_physical_address phys, acpi_size size) pg_off = round_down(phys, PAGE_SIZE); pg_sz = round_up(phys + size, PAGE_SIZE) - pg_off; - virt = acpi_os_ioremap(pg_off, pg_sz); + virt = acpi_map(pg_off, pg_sz); if (!virt) { mutex_unlock(&acpi_ioremap_lock); kfree(map); @@ -393,7 +419,7 @@ static void acpi_os_map_cleanup(struct acpi_ioremap *map) { if (!map->refcount) { synchronize_rcu(); - iounmap(map->virt); + acpi_unmap(map->phys, map->virt); kfree(map); } } @@ -427,35 +453,42 @@ void __init early_acpi_os_unmap_memory(void __iomem *virt, acpi_size size) __acpi_unmap_table(virt, size); } -static int acpi_os_map_generic_address(struct acpi_generic_address *addr) +int acpi_os_map_generic_address(struct acpi_generic_address *gas) { + u64 addr; void __iomem *virt; - if (addr->space_id != ACPI_ADR_SPACE_SYSTEM_MEMORY) + if (gas->space_id != ACPI_ADR_SPACE_SYSTEM_MEMORY) return 0; - if (!addr->address || !addr->bit_width) + /* Handle possible alignment issues */ + memcpy(&addr, &gas->address, sizeof(addr)); + if (!addr || !gas->bit_width) return -EINVAL; - virt = acpi_os_map_memory(addr->address, addr->bit_width / 8); + virt = acpi_os_map_memory(addr, gas->bit_width / 8); if (!virt) return -EIO; return 0; } +EXPORT_SYMBOL(acpi_os_map_generic_address); -static void acpi_os_unmap_generic_address(struct acpi_generic_address *addr) +void acpi_os_unmap_generic_address(struct acpi_generic_address *gas) { + u64 addr; struct acpi_ioremap *map; - if (addr->space_id != ACPI_ADR_SPACE_SYSTEM_MEMORY) + if (gas->space_id != ACPI_ADR_SPACE_SYSTEM_MEMORY) return; - if (!addr->address || !addr->bit_width) + /* Handle possible alignment issues */ + memcpy(&addr, &gas->address, sizeof(addr)); + if (!addr || !gas->bit_width) return; mutex_lock(&acpi_ioremap_lock); - map = acpi_map_lookup(addr->address, addr->bit_width / 8); + map = acpi_map_lookup(addr, gas->bit_width / 8); if (!map) { mutex_unlock(&acpi_ioremap_lock); return; @@ -465,6 +498,7 @@ static void acpi_os_unmap_generic_address(struct acpi_generic_address *addr) acpi_os_map_cleanup(map); } +EXPORT_SYMBOL(acpi_os_unmap_generic_address); #ifdef ACPI_FUTURE_USAGE acpi_status @@ -523,6 +557,15 @@ acpi_os_table_override(struct acpi_table_header * existing_table, return AE_OK; } +acpi_status +acpi_os_physical_table_override(struct acpi_table_header *existing_table, + acpi_physical_address * new_address, + u32 *new_table_length) +{ + return AE_SUPPORT; +} + + static irqreturn_t acpi_irq(int irq, void *dev_id) { u32 handled; @@ -564,7 +607,8 @@ acpi_os_install_interrupt_handler(u32 gsi, acpi_osd_handler handler, acpi_irq_handler = handler; acpi_irq_context = context; - if (request_irq(irq, acpi_irq, IRQF_SHARED, "acpi", acpi_irq)) { + if (request_threaded_irq(irq, NULL, acpi_irq, IRQF_SHARED, "acpi", + acpi_irq)) { printk(KERN_ERR PREFIX "SCI (IRQ%d) allocation failed\n", irq); acpi_irq_handler = NULL; return AE_NOT_ACQUIRED; @@ -668,13 +712,28 @@ acpi_status acpi_os_write_port(acpi_io_address port, u32 value, u32 width) EXPORT_SYMBOL(acpi_os_write_port); +#ifdef readq +static inline u64 read64(const volatile void __iomem *addr) +{ + return readq(addr); +} +#else +static inline u64 read64(const volatile void __iomem *addr) +{ + u64 l, h; + l = readl(addr); + h = readl(addr+4); + return l | (h << 32); +} +#endif + acpi_status -acpi_os_read_memory(acpi_physical_address phys_addr, u32 * value, u32 width) +acpi_os_read_memory(acpi_physical_address phys_addr, u64 *value, u32 width) { void __iomem *virt_addr; unsigned int size = width / 8; bool unmap = false; - u32 dummy; + u64 dummy; rcu_read_lock(); virt_addr = acpi_map_vaddr_lookup(phys_addr, size); @@ -699,6 +758,9 @@ acpi_os_read_memory(acpi_physical_address phys_addr, u32 * value, u32 width) case 32: *(u32 *) value = readl(virt_addr); break; + case 64: + *(u64 *) value = read64(virt_addr); + break; default: BUG(); } @@ -711,8 +773,21 @@ acpi_os_read_memory(acpi_physical_address phys_addr, u32 * value, u32 width) return AE_OK; } +#ifdef writeq +static inline void write64(u64 val, volatile void __iomem *addr) +{ + writeq(val, addr); +} +#else +static inline void write64(u64 val, volatile void __iomem *addr) +{ + writel(val, addr); + writel(val>>32, addr+4); +} +#endif + acpi_status -acpi_os_write_memory(acpi_physical_address phys_addr, u32 value, u32 width) +acpi_os_write_memory(acpi_physical_address phys_addr, u64 value, u32 width) { void __iomem *virt_addr; unsigned int size = width / 8; @@ -738,6 +813,9 @@ acpi_os_write_memory(acpi_physical_address phys_addr, u32 value, u32 width) case 32: writel(value, virt_addr); break; + case 64: + write64(value, virt_addr); + break; default: BUG(); } @@ -1278,44 +1356,28 @@ __setup("acpi_enforce_resources=", acpi_enforce_resources_setup); * drivers */ int acpi_check_resource_conflict(const struct resource *res) { - struct acpi_res_list *res_list_elem; - int ioport = 0, clash = 0; + acpi_adr_space_type space_id; + acpi_size length; + u8 warn = 0; + int clash = 0; if (acpi_enforce_resources == ENFORCE_RESOURCES_NO) return 0; if (!(res->flags & IORESOURCE_IO) && !(res->flags & IORESOURCE_MEM)) return 0; - ioport = res->flags & IORESOURCE_IO; - - spin_lock(&acpi_res_lock); - list_for_each_entry(res_list_elem, &resource_list_head, - resource_list) { - if (ioport && (res_list_elem->resource_type - != ACPI_ADR_SPACE_SYSTEM_IO)) - continue; - if (!ioport && (res_list_elem->resource_type - != ACPI_ADR_SPACE_SYSTEM_MEMORY)) - continue; + if (res->flags & IORESOURCE_IO) + space_id = ACPI_ADR_SPACE_SYSTEM_IO; + else + space_id = ACPI_ADR_SPACE_SYSTEM_MEMORY; - if (res->end < res_list_elem->start - || res_list_elem->end < res->start) - continue; - clash = 1; - break; - } - spin_unlock(&acpi_res_lock); + length = res->end - res->start + 1; + if (acpi_enforce_resources != ENFORCE_RESOURCES_NO) + warn = 1; + clash = acpi_check_address_range(space_id, res->start, length, warn); if (clash) { if (acpi_enforce_resources != ENFORCE_RESOURCES_NO) { - printk(KERN_WARNING "ACPI: resource %s %pR" - " conflicts with ACPI region %s " - "[%s 0x%zx-0x%zx]\n", - res->name, res, res_list_elem->name, - (res_list_elem->resource_type == - ACPI_ADR_SPACE_SYSTEM_IO) ? "io" : "mem", - (size_t) res_list_elem->start, - (size_t) res_list_elem->end); if (acpi_enforce_resources == ENFORCE_RESOURCES_LAX) printk(KERN_NOTICE "ACPI: This conflict may" " cause random problems and system" @@ -1467,155 +1529,6 @@ acpi_status acpi_os_release_object(acpi_cache_t * cache, void *object) kmem_cache_free(cache, object); return (AE_OK); } - -static inline int acpi_res_list_add(struct acpi_res_list *res) -{ - struct acpi_res_list *res_list_elem; - - list_for_each_entry(res_list_elem, &resource_list_head, - resource_list) { - - if (res->resource_type == res_list_elem->resource_type && - res->start == res_list_elem->start && - res->end == res_list_elem->end) { - - /* - * The Region(addr,len) already exist in the list, - * just increase the count - */ - - res_list_elem->count++; - return 0; - } - } - - res->count = 1; - list_add(&res->resource_list, &resource_list_head); - return 1; -} - -static inline void acpi_res_list_del(struct acpi_res_list *res) -{ - struct acpi_res_list *res_list_elem; - - list_for_each_entry(res_list_elem, &resource_list_head, - resource_list) { - - if (res->resource_type == res_list_elem->resource_type && - res->start == res_list_elem->start && - res->end == res_list_elem->end) { - - /* - * If the res count is decreased to 0, - * remove and free it - */ - - if (--res_list_elem->count == 0) { - list_del(&res_list_elem->resource_list); - kfree(res_list_elem); - } - return; - } - } -} - -acpi_status -acpi_os_invalidate_address( - u8 space_id, - acpi_physical_address address, - acpi_size length) -{ - struct acpi_res_list res; - - switch (space_id) { - case ACPI_ADR_SPACE_SYSTEM_IO: - case ACPI_ADR_SPACE_SYSTEM_MEMORY: - /* Only interference checks against SystemIO and SystemMemory - are needed */ - res.start = address; - res.end = address + length - 1; - res.resource_type = space_id; - spin_lock(&acpi_res_lock); - acpi_res_list_del(&res); - spin_unlock(&acpi_res_lock); - break; - case ACPI_ADR_SPACE_PCI_CONFIG: - case ACPI_ADR_SPACE_EC: - case ACPI_ADR_SPACE_SMBUS: - case ACPI_ADR_SPACE_CMOS: - case ACPI_ADR_SPACE_PCI_BAR_TARGET: - case ACPI_ADR_SPACE_DATA_TABLE: - case ACPI_ADR_SPACE_FIXED_HARDWARE: - break; - } - return AE_OK; -} - -/****************************************************************************** - * - * FUNCTION: acpi_os_validate_address - * - * PARAMETERS: space_id - ACPI space ID - * address - Physical address - * length - Address length - * - * RETURN: AE_OK if address/length is valid for the space_id. Otherwise, - * should return AE_AML_ILLEGAL_ADDRESS. - * - * DESCRIPTION: Validate a system address via the host OS. Used to validate - * the addresses accessed by AML operation regions. - * - *****************************************************************************/ - -acpi_status -acpi_os_validate_address ( - u8 space_id, - acpi_physical_address address, - acpi_size length, - char *name) -{ - struct acpi_res_list *res; - int added; - if (acpi_enforce_resources == ENFORCE_RESOURCES_NO) - return AE_OK; - - switch (space_id) { - case ACPI_ADR_SPACE_SYSTEM_IO: - case ACPI_ADR_SPACE_SYSTEM_MEMORY: - /* Only interference checks against SystemIO and SystemMemory - are needed */ - res = kzalloc(sizeof(struct acpi_res_list), GFP_KERNEL); - if (!res) - return AE_OK; - /* ACPI names are fixed to 4 bytes, still better use strlcpy */ - strlcpy(res->name, name, 5); - res->start = address; - res->end = address + length - 1; - res->resource_type = space_id; - spin_lock(&acpi_res_lock); - added = acpi_res_list_add(res); - spin_unlock(&acpi_res_lock); - pr_debug("%s %s resource: start: 0x%llx, end: 0x%llx, " - "name: %s\n", added ? "Added" : "Already exist", - (space_id == ACPI_ADR_SPACE_SYSTEM_IO) - ? "SystemIO" : "System Memory", - (unsigned long long)res->start, - (unsigned long long)res->end, - res->name); - if (!added) - kfree(res); - break; - case ACPI_ADR_SPACE_PCI_CONFIG: - case ACPI_ADR_SPACE_EC: - case ACPI_ADR_SPACE_SMBUS: - case ACPI_ADR_SPACE_CMOS: - case ACPI_ADR_SPACE_PCI_BAR_TARGET: - case ACPI_ADR_SPACE_DATA_TABLE: - case ACPI_ADR_SPACE_FIXED_HARDWARE: - break; - } - return AE_OK; -} #endif acpi_status __init acpi_os_initialize(void) @@ -1659,3 +1572,24 @@ acpi_status acpi_os_terminate(void) return AE_OK; } + +acpi_status acpi_os_prepare_sleep(u8 sleep_state, u32 pm1a_control, + u32 pm1b_control) +{ + int rc = 0; + if (__acpi_os_prepare_sleep) + rc = __acpi_os_prepare_sleep(sleep_state, + pm1a_control, pm1b_control); + if (rc < 0) + return AE_ERROR; + else if (rc > 0) + return AE_CTRL_SKIP; + + return AE_OK; +} + +void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state, + u32 pm1a_ctrl, u32 pm1b_ctrl)) +{ + __acpi_os_prepare_sleep = func; +} diff --git a/drivers/acpi/pci_slot.c b/drivers/acpi/pci_slot.c index 07f7fea8a4e2..e50e31a518af 100644 --- a/drivers/acpi/pci_slot.c +++ b/drivers/acpi/pci_slot.c @@ -34,7 +34,7 @@ #include <acpi/acpi_drivers.h> #include <linux/dmi.h> -static int debug; +static bool debug; static int check_sta_before_sun; #define DRIVER_VERSION "0.1" diff --git a/drivers/acpi/power.c b/drivers/acpi/power.c index 9ac2a9fa90ff..7049a7d27c4f 100644 --- a/drivers/acpi/power.c +++ b/drivers/acpi/power.c @@ -40,9 +40,11 @@ #include <linux/init.h> #include <linux/types.h> #include <linux/slab.h> +#include <linux/pm_runtime.h> #include <acpi/acpi_bus.h> #include <acpi/acpi_drivers.h> #include "sleep.h" +#include "internal.h" #define PREFIX "ACPI: " @@ -77,6 +79,20 @@ static struct acpi_driver acpi_power_driver = { }, }; +/* + * A power managed device + * A device may rely on multiple power resources. + * */ +struct acpi_power_managed_device { + struct device *dev; /* The physical device */ + acpi_handle *handle; +}; + +struct acpi_power_resource_device { + struct acpi_power_managed_device *device; + struct acpi_power_resource_device *next; +}; + struct acpi_power_resource { struct acpi_device * device; acpi_bus_id name; @@ -84,6 +100,9 @@ struct acpi_power_resource { u32 order; unsigned int ref_count; struct mutex resource_lock; + + /* List of devices relying on this power resource */ + struct acpi_power_resource_device *devices; }; static struct list_head acpi_power_resource_list; @@ -183,8 +202,26 @@ static int acpi_power_get_list_state(struct acpi_handle_list *list, int *state) return 0; } +/* Resume the device when all power resources in _PR0 are on */ +static void acpi_power_on_device(struct acpi_power_managed_device *device) +{ + struct acpi_device *acpi_dev; + acpi_handle handle = device->handle; + int state; + + if (acpi_bus_get_device(handle, &acpi_dev)) + return; + + if(acpi_power_get_inferred_state(acpi_dev, &state)) + return; + + if (state == ACPI_STATE_D0 && pm_runtime_suspended(device->dev)) + pm_request_resume(device->dev); +} + static int __acpi_power_on(struct acpi_power_resource *resource) { + struct acpi_power_resource_device *device_list = resource->devices; acpi_status status = AE_OK; status = acpi_evaluate_object(resource->device->handle, "_ON", NULL, NULL); @@ -197,6 +234,12 @@ static int __acpi_power_on(struct acpi_power_resource *resource) ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Power resource [%s] turned on\n", resource->name)); + while (device_list) { + acpi_power_on_device(device_list->device); + + device_list = device_list->next; + } + return 0; } @@ -299,6 +342,125 @@ static int acpi_power_on_list(struct acpi_handle_list *list) return result; } +static void __acpi_power_resource_unregister_device(struct device *dev, + acpi_handle res_handle) +{ + struct acpi_power_resource *resource = NULL; + struct acpi_power_resource_device *prev, *curr; + + if (acpi_power_get_context(res_handle, &resource)) + return; + + mutex_lock(&resource->resource_lock); + prev = NULL; + curr = resource->devices; + while (curr) { + if (curr->device->dev == dev) { + if (!prev) + resource->devices = curr->next; + else + prev->next = curr->next; + + kfree(curr); + break; + } + + prev = curr; + curr = curr->next; + } + mutex_unlock(&resource->resource_lock); +} + +/* Unlink dev from all power resources in _PR0 */ +void acpi_power_resource_unregister_device(struct device *dev, acpi_handle handle) +{ + struct acpi_device *acpi_dev; + struct acpi_handle_list *list; + int i; + + if (!dev || !handle) + return; + + if (acpi_bus_get_device(handle, &acpi_dev)) + return; + + list = &acpi_dev->power.states[ACPI_STATE_D0].resources; + + for (i = 0; i < list->count; i++) + __acpi_power_resource_unregister_device(dev, + list->handles[i]); +} + +static int __acpi_power_resource_register_device( + struct acpi_power_managed_device *powered_device, acpi_handle handle) +{ + struct acpi_power_resource *resource = NULL; + struct acpi_power_resource_device *power_resource_device; + int result; + + result = acpi_power_get_context(handle, &resource); + if (result) + return result; + + power_resource_device = kzalloc( + sizeof(*power_resource_device), GFP_KERNEL); + if (!power_resource_device) + return -ENOMEM; + + power_resource_device->device = powered_device; + + mutex_lock(&resource->resource_lock); + power_resource_device->next = resource->devices; + resource->devices = power_resource_device; + mutex_unlock(&resource->resource_lock); + + return 0; +} + +/* Link dev to all power resources in _PR0 */ +int acpi_power_resource_register_device(struct device *dev, acpi_handle handle) +{ + struct acpi_device *acpi_dev; + struct acpi_handle_list *list; + struct acpi_power_managed_device *powered_device; + int i, ret; + + if (!dev || !handle) + return -ENODEV; + + ret = acpi_bus_get_device(handle, &acpi_dev); + if (ret) + goto no_power_resource; + + if (!acpi_dev->power.flags.power_resources) + goto no_power_resource; + + powered_device = kzalloc(sizeof(*powered_device), GFP_KERNEL); + if (!powered_device) + return -ENOMEM; + + powered_device->dev = dev; + powered_device->handle = handle; + + list = &acpi_dev->power.states[ACPI_STATE_D0].resources; + + for (i = 0; i < list->count; i++) { + ret = __acpi_power_resource_register_device(powered_device, + list->handles[i]); + + if (ret) { + acpi_power_resource_unregister_device(dev, handle); + break; + } + } + + return ret; + +no_power_resource: + printk(KERN_WARNING PREFIX "Invalid Power Resource to register!"); + return -ENODEV; +} + /** * acpi_device_sleep_wake - execute _DSW (Device Sleep Wake) or (deprecated in * ACPI 3.0) _PSW (Power State Wake) @@ -500,14 +662,14 @@ int acpi_power_transition(struct acpi_device *device, int state) { int result; - if (!device || (state < ACPI_STATE_D0) || (state > ACPI_STATE_D3)) + if (!device || (state < ACPI_STATE_D0) || (state > ACPI_STATE_D3_COLD)) return -EINVAL; if (device->power.state == state) return 0; if ((device->power.state < ACPI_STATE_D0) - || (device->power.state > ACPI_STATE_D3)) + || (device->power.state > ACPI_STATE_D3_COLD)) return -ENODEV; /* TBD: Resources must be ordered. */ diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c index 3a0428e8435c..c850de4c9a14 100644 --- a/drivers/acpi/processor_core.c +++ b/drivers/acpi/processor_core.c @@ -173,8 +173,30 @@ int acpi_get_cpuid(acpi_handle handle, int type, u32 acpi_id) apic_id = map_mat_entry(handle, type, acpi_id); if (apic_id == -1) apic_id = map_madt_entry(type, acpi_id); - if (apic_id == -1) - return apic_id; + if (apic_id == -1) { + /* + * On UP processor, there is no _MAT or MADT table. + * So above apic_id is always set to -1. + * + * BIOS may define multiple CPU handles even for UP processor. + * For example, + * + * Scope (_PR) + * { + * Processor (CPU0, 0x00, 0x00000410, 0x06) {} + * Processor (CPU1, 0x01, 0x00000410, 0x06) {} + * Processor (CPU2, 0x02, 0x00000410, 0x06) {} + * Processor (CPU3, 0x03, 0x00000410, 0x06) {} + * } + * + * Ignores apic_id and always return 0 for CPU0's handle. + * Return -1 for other CPU's handle. + */ + if (acpi_id == 0) + return acpi_id; + else + return apic_id; + } #ifdef CONFIG_SMP for_each_possible_cpu(i) { diff --git a/drivers/acpi/processor_driver.c b/drivers/acpi/processor_driver.c index 20a68ca386de..0734086537b8 100644 --- a/drivers/acpi/processor_driver.c +++ b/drivers/acpi/processor_driver.c @@ -46,7 +46,6 @@ #include <linux/slab.h> #include <asm/io.h> -#include <asm/system.h> #include <asm/cpu.h> #include <asm/delay.h> #include <asm/uaccess.h> @@ -68,6 +67,7 @@ #define ACPI_PROCESSOR_NOTIFY_PERFORMANCE 0x80 #define ACPI_PROCESSOR_NOTIFY_POWER 0x81 #define ACPI_PROCESSOR_NOTIFY_THROTTLING 0x82 +#define ACPI_PROCESSOR_DEVICE_HID "ACPI0007" #define ACPI_PROCESSOR_LIMIT_USER 0 #define ACPI_PROCESSOR_LIMIT_THERMAL 1 @@ -82,13 +82,13 @@ MODULE_LICENSE("GPL"); static int acpi_processor_add(struct acpi_device *device); static int acpi_processor_remove(struct acpi_device *device, int type); static void acpi_processor_notify(struct acpi_device *device, u32 event); -static acpi_status acpi_processor_hotadd_init(acpi_handle handle, int *p_cpu); +static acpi_status acpi_processor_hotadd_init(struct acpi_processor *pr); static int acpi_processor_handle_eject(struct acpi_processor *pr); - +static int acpi_processor_start(struct acpi_processor *pr); static const struct acpi_device_id processor_device_ids[] = { {ACPI_PROCESSOR_OBJECT_HID, 0}, - {"ACPI0007", 0}, + {ACPI_PROCESSOR_DEVICE_HID, 0}, {"", 0}, }; MODULE_DEVICE_TABLE(acpi, processor_device_ids); @@ -324,10 +324,8 @@ static int acpi_processor_get_info(struct acpi_device *device) * they are physically not present. */ if (pr->id == -1) { - if (ACPI_FAILURE - (acpi_processor_hotadd_init(pr->handle, &pr->id))) { + if (ACPI_FAILURE(acpi_processor_hotadd_init(pr))) return -ENODEV; - } } /* * On some boxes several processors use the same processor bus id. @@ -425,10 +423,29 @@ static int acpi_cpu_soft_notify(struct notifier_block *nfb, struct acpi_processor *pr = per_cpu(processors, cpu); if (action == CPU_ONLINE && pr) { - acpi_processor_ppc_has_changed(pr, 0); - acpi_processor_hotplug(pr); - acpi_processor_reevaluate_tstate(pr, action); - acpi_processor_tstate_has_changed(pr); + /* CPU got physically hotplugged and onlined the first time: + * Initialize missing things + */ + if (pr->flags.need_hotplug_init) { + struct cpuidle_driver *idle_driver = + cpuidle_get_driver(); + + printk(KERN_INFO "Will online and init hotplugged " + "CPU: %d\n", pr->id); + WARN(acpi_processor_start(pr), "Failed to start CPU:" + " %d\n", pr->id); + pr->flags.need_hotplug_init = 0; + if (idle_driver && !strcmp(idle_driver->name, + "intel_idle")) { + intel_idle_cpu_init(pr->id); + } + /* Normal CPU soft online event */ + } else { + acpi_processor_ppc_has_changed(pr, 0); + acpi_processor_cst_has_changed(pr); + acpi_processor_reevaluate_tstate(pr, action); + acpi_processor_tstate_has_changed(pr); + } } if (action == CPU_DEAD && pr) { /* invalidate the flag.throttling after one CPU is offline */ @@ -442,6 +459,72 @@ static struct notifier_block acpi_cpu_notifier = .notifier_call = acpi_cpu_soft_notify, }; +/* + * acpi_processor_start() is called by the cpu_hotplug_notifier func: + * acpi_cpu_soft_notify(). Getting it __cpuinit{data} is difficult, the + * root cause seem to be that acpi_processor_uninstall_hotplug_notify() + * is in the module_exit (__exit) func. Allowing acpi_processor_start() + * to not be in __cpuinit section, but being called from __cpuinit funcs + * via __ref looks like the right thing to do here. + */ +static __ref int acpi_processor_start(struct acpi_processor *pr) +{ + struct acpi_device *device = per_cpu(processor_device_array, pr->id); + int result = 0; + +#ifdef CONFIG_CPU_FREQ + acpi_processor_ppc_has_changed(pr, 0); + acpi_processor_load_module(pr); +#endif + acpi_processor_get_throttling_info(pr); + acpi_processor_get_limit_info(pr); + + if (!cpuidle_get_driver() || cpuidle_get_driver() == &acpi_idle_driver) + acpi_processor_power_init(pr, device); + + pr->cdev = thermal_cooling_device_register("Processor", device, + &processor_cooling_ops); + if (IS_ERR(pr->cdev)) { + result = PTR_ERR(pr->cdev); + goto err_power_exit; + } + + dev_dbg(&device->dev, "registered as cooling_device%d\n", + pr->cdev->id); + + result = sysfs_create_link(&device->dev.kobj, + &pr->cdev->device.kobj, + "thermal_cooling"); + if (result) { + printk(KERN_ERR PREFIX "Create sysfs link\n"); + goto err_thermal_unregister; + } + result = sysfs_create_link(&pr->cdev->device.kobj, + &device->dev.kobj, + "device"); + if (result) { + printk(KERN_ERR PREFIX "Create sysfs link\n"); + goto err_remove_sysfs_thermal; + } + + return 0; + +err_remove_sysfs_thermal: + sysfs_remove_link(&device->dev.kobj, "thermal_cooling"); +err_thermal_unregister: + thermal_cooling_device_unregister(pr->cdev); +err_power_exit: + acpi_processor_power_exit(pr, device); + + return result; +} + +/* + * Do not put anything in here which needs the core to be online. + * For example MSR access or setting up things which check for cpuinfo_x86 + * (cpu_data(cpu)) values, like CPU feature flags, family, model, etc. + * Such things have to be put in and set up above in acpi_processor_start() + */ static int __cpuinit acpi_processor_add(struct acpi_device *device) { struct acpi_processor *pr = NULL; @@ -453,8 +536,8 @@ static int __cpuinit acpi_processor_add(struct acpi_device *device) return -ENOMEM; if (!zalloc_cpumask_var(&pr->throttling.shared_cpu_map, GFP_KERNEL)) { - kfree(pr); - return -ENOMEM; + result = -ENOMEM; + goto err_free_pr; } pr->handle = device->handle; @@ -494,54 +577,33 @@ static int __cpuinit acpi_processor_add(struct acpi_device *device) dev = get_cpu_device(pr->id); if (sysfs_create_link(&device->dev.kobj, &dev->kobj, "sysdev")) { result = -EFAULT; - goto err_free_cpumask; - } - -#ifdef CONFIG_CPU_FREQ - acpi_processor_ppc_has_changed(pr, 0); -#endif - acpi_processor_get_throttling_info(pr); - acpi_processor_get_limit_info(pr); - - if (!cpuidle_get_driver() || cpuidle_get_driver() == &acpi_idle_driver) - acpi_processor_power_init(pr, device); - - pr->cdev = thermal_cooling_device_register("Processor", device, - &processor_cooling_ops); - if (IS_ERR(pr->cdev)) { - result = PTR_ERR(pr->cdev); - goto err_power_exit; + goto err_clear_processor; } - dev_dbg(&device->dev, "registered as cooling_device%d\n", - pr->cdev->id); + /* + * Do not start hotplugged CPUs now, but when they + * are onlined the first time + */ + if (pr->flags.need_hotplug_init) + return 0; - result = sysfs_create_link(&device->dev.kobj, - &pr->cdev->device.kobj, - "thermal_cooling"); - if (result) { - printk(KERN_ERR PREFIX "Create sysfs link\n"); - goto err_thermal_unregister; - } - result = sysfs_create_link(&pr->cdev->device.kobj, - &device->dev.kobj, - "device"); - if (result) { - printk(KERN_ERR PREFIX "Create sysfs link\n"); + result = acpi_processor_start(pr); + if (result) goto err_remove_sysfs; - } return 0; err_remove_sysfs: - sysfs_remove_link(&device->dev.kobj, "thermal_cooling"); -err_thermal_unregister: - thermal_cooling_device_unregister(pr->cdev); -err_power_exit: - acpi_processor_power_exit(pr, device); + sysfs_remove_link(&device->dev.kobj, "sysdev"); +err_clear_processor: + /* + * processor_device_array is not cleared to allow checks for buggy BIOS + */ + per_cpu(processors, pr->id) = NULL; err_free_cpumask: free_cpumask_var(pr->throttling.shared_cpu_map); - +err_free_pr: + kfree(pr); return result; } @@ -686,20 +748,46 @@ static void acpi_processor_hotplug_notify(acpi_handle handle, return; } +static acpi_status is_processor_device(acpi_handle handle) +{ + struct acpi_device_info *info; + char *hid; + acpi_status status; + + status = acpi_get_object_info(handle, &info); + if (ACPI_FAILURE(status)) + return status; + + if (info->type == ACPI_TYPE_PROCESSOR) { + kfree(info); + return AE_OK; /* found a processor object */ + } + + if (!(info->valid & ACPI_VALID_HID)) { + kfree(info); + return AE_ERROR; + } + + hid = info->hardware_id.string; + if ((hid == NULL) || strcmp(hid, ACPI_PROCESSOR_DEVICE_HID)) { + kfree(info); + return AE_ERROR; + } + + kfree(info); + return AE_OK; /* found a processor device object */ +} + static acpi_status processor_walk_namespace_cb(acpi_handle handle, u32 lvl, void *context, void **rv) { acpi_status status; int *action = context; - acpi_object_type type = 0; - status = acpi_get_type(handle, &type); + status = is_processor_device(handle); if (ACPI_FAILURE(status)) - return (AE_OK); - - if (type != ACPI_TYPE_PROCESSOR) - return (AE_OK); + return AE_OK; /* not a processor; continue to walk */ switch (*action) { case INSTALL_NOTIFY_HANDLER: @@ -717,24 +805,37 @@ processor_walk_namespace_cb(acpi_handle handle, break; } - return (AE_OK); + /* found a processor; skip walking underneath */ + return AE_CTRL_DEPTH; } -static acpi_status acpi_processor_hotadd_init(acpi_handle handle, int *p_cpu) +static acpi_status acpi_processor_hotadd_init(struct acpi_processor *pr) { + acpi_handle handle = pr->handle; if (!is_processor_present(handle)) { return AE_ERROR; } - if (acpi_map_lsapic(handle, p_cpu)) + if (acpi_map_lsapic(handle, &pr->id)) return AE_ERROR; - if (arch_register_cpu(*p_cpu)) { - acpi_unmap_lsapic(*p_cpu); + if (arch_register_cpu(pr->id)) { + acpi_unmap_lsapic(pr->id); return AE_ERROR; } + /* CPU got hot-plugged, but cpu_data is not initialized yet + * Set flag to delay cpu_idle/throttling initialization + * in: + * acpi_processor_add() + * acpi_processor_get_info() + * and do it when the CPU gets online the first time + * TBD: Cleanup above functions and try to do this more elegant. + */ + printk(KERN_INFO "CPU %d got hotplugged\n", pr->id); + pr->flags.need_hotplug_init = 1; + return AE_OK; } @@ -748,7 +849,7 @@ static int acpi_processor_handle_eject(struct acpi_processor *pr) return (0); } #else -static acpi_status acpi_processor_hotadd_init(acpi_handle handle, int *p_cpu) +static acpi_status acpi_processor_hotadd_init(struct acpi_processor *pr) { return AE_ERROR; } @@ -763,7 +864,7 @@ void acpi_processor_install_hotplug_notify(void) { #ifdef CONFIG_ACPI_HOTPLUG_CPU int action = INSTALL_NOTIFY_HANDLER; - acpi_walk_namespace(ACPI_TYPE_PROCESSOR, + acpi_walk_namespace(ACPI_TYPE_ANY, ACPI_ROOT_OBJECT, ACPI_UINT32_MAX, processor_walk_namespace_cb, NULL, &action, NULL); @@ -776,7 +877,7 @@ void acpi_processor_uninstall_hotplug_notify(void) { #ifdef CONFIG_ACPI_HOTPLUG_CPU int action = UNINSTALL_NOTIFY_HANDLER; - acpi_walk_namespace(ACPI_TYPE_PROCESSOR, + acpi_walk_namespace(ACPI_TYPE_ANY, ACPI_ROOT_OBJECT, ACPI_UINT32_MAX, processor_walk_namespace_cb, NULL, &action, NULL); @@ -827,8 +928,6 @@ static void __exit acpi_processor_exit(void) acpi_bus_unregister_driver(&acpi_processor_driver); - cpuidle_unregister_driver(&acpi_idle_driver); - return; } diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c index 0e8e2de2ed3e..f3decb30223f 100644 --- a/drivers/acpi/processor_idle.c +++ b/drivers/acpi/processor_idle.c @@ -770,6 +770,35 @@ static int acpi_idle_enter_c1(struct cpuidle_device *dev, return index; } + +/** + * acpi_idle_play_dead - enters an ACPI state for long-term idle (i.e. off-lining) + * @dev: the target CPU + * @index: the index of suggested state + */ +static int acpi_idle_play_dead(struct cpuidle_device *dev, int index) +{ + struct cpuidle_state_usage *state_usage = &dev->states_usage[index]; + struct acpi_processor_cx *cx = cpuidle_get_statedata(state_usage); + + ACPI_FLUSH_CPU_CACHE(); + + while (1) { + + if (cx->entry_method == ACPI_CSTATE_HALT) + safe_halt(); + else if (cx->entry_method == ACPI_CSTATE_SYSTEMIO) { + inb(cx->address); + /* See comment in acpi_idle_do_entry() */ + inl(acpi_gbl_FADT.xpm_timer_block.address); + } else + return -ENODEV; + } + + /* Never reached */ + return 0; +} + /** * acpi_idle_enter_simple - enters an ACPI state without BM handling * @dev: the target CPU @@ -1077,12 +1106,14 @@ static int acpi_processor_setup_cpuidle_states(struct acpi_processor *pr) state->flags |= CPUIDLE_FLAG_TIME_VALID; state->enter = acpi_idle_enter_c1; + state->enter_dead = acpi_idle_play_dead; drv->safe_state_index = count; break; case ACPI_STATE_C2: state->flags |= CPUIDLE_FLAG_TIME_VALID; state->enter = acpi_idle_enter_simple; + state->enter_dead = acpi_idle_play_dead; drv->safe_state_index = count; break; @@ -1159,8 +1190,7 @@ int acpi_processor_cst_has_changed(struct acpi_processor *pr) * to make the code that updates C-States be called once. */ - if (smp_processor_id() == 0 && - cpuidle_get_driver() == &acpi_idle_driver) { + if (pr->id == 0 && cpuidle_get_driver() == &acpi_idle_driver) { cpuidle_pause_and_lock(); /* Protect against cpu-hotplug */ diff --git a/drivers/acpi/processor_perflib.c b/drivers/acpi/processor_perflib.c index 85b32376dad7..0af48a8554cd 100644 --- a/drivers/acpi/processor_perflib.c +++ b/drivers/acpi/processor_perflib.c @@ -240,6 +240,28 @@ void acpi_processor_ppc_exit(void) acpi_processor_ppc_status &= ~PPC_REGISTERED; } +/* + * Do a quick check if the systems looks like it should use ACPI + * cpufreq. We look at a _PCT method being available, but don't + * do a whole lot of sanity checks. + */ +void acpi_processor_load_module(struct acpi_processor *pr) +{ + static int requested; + acpi_status status = 0; + struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; + + if (!arch_has_acpi_pdc() || requested) + return; + status = acpi_evaluate_object(pr->handle, "_PCT", NULL, &buffer); + if (!ACPI_FAILURE(status)) { + printk(KERN_INFO PREFIX "Requesting acpi_cpufreq\n"); + request_module_nowait("acpi_cpufreq"); + requested = 1; + } + kfree(buffer.pointer); +} + static int acpi_processor_get_performance_control(struct acpi_processor *pr) { int result = 0; diff --git a/drivers/acpi/processor_thermal.c b/drivers/acpi/processor_thermal.c index 3b599abf2b40..641b5450a0db 100644 --- a/drivers/acpi/processor_thermal.c +++ b/drivers/acpi/processor_thermal.c @@ -57,6 +57,27 @@ ACPI_MODULE_NAME("processor_thermal"); static DEFINE_PER_CPU(unsigned int, cpufreq_thermal_reduction_pctg); static unsigned int acpi_thermal_cpufreq_is_init = 0; +#define reduction_pctg(cpu) \ + per_cpu(cpufreq_thermal_reduction_pctg, phys_package_first_cpu(cpu)) + +/* + * Emulate "per package data" using per cpu data (which should really be + * provided elsewhere) + * + * Note we can lose a CPU on cpu hotunplug, in this case we forget the state + * temporarily. Fortunately that's not a big issue here (I hope) + */ +static int phys_package_first_cpu(int cpu) +{ + int i; + int id = topology_physical_package_id(cpu); + + for_each_online_cpu(i) + if (topology_physical_package_id(i) == id) + return i; + return 0; +} + static int cpu_has_cpufreq(unsigned int cpu) { struct cpufreq_policy policy; @@ -76,7 +97,7 @@ static int acpi_thermal_cpufreq_notifier(struct notifier_block *nb, max_freq = ( policy->cpuinfo.max_freq * - (100 - per_cpu(cpufreq_thermal_reduction_pctg, policy->cpu) * 20) + (100 - reduction_pctg(policy->cpu) * 20) ) / 100; cpufreq_verify_within_limits(policy, 0, max_freq); @@ -102,16 +123,28 @@ static int cpufreq_get_cur_state(unsigned int cpu) if (!cpu_has_cpufreq(cpu)) return 0; - return per_cpu(cpufreq_thermal_reduction_pctg, cpu); + return reduction_pctg(cpu); } static int cpufreq_set_cur_state(unsigned int cpu, int state) { + int i; + if (!cpu_has_cpufreq(cpu)) return 0; - per_cpu(cpufreq_thermal_reduction_pctg, cpu) = state; - cpufreq_update_policy(cpu); + reduction_pctg(cpu) = state; + + /* + * Update all the CPUs in the same package because they all + * contribute to the temperature and often share the same + * frequency. + */ + for_each_online_cpu(i) { + if (topology_physical_package_id(i) == + topology_physical_package_id(cpu)) + cpufreq_update_policy(i); + } return 0; } @@ -119,10 +152,6 @@ void acpi_thermal_cpufreq_init(void) { int i; - for (i = 0; i < nr_cpu_ids; i++) - if (cpu_present(i)) - per_cpu(cpufreq_thermal_reduction_pctg, i) = 0; - i = cpufreq_register_notifier(&acpi_thermal_cpufreq_notifier_block, CPUFREQ_POLICY_NOTIFIER); if (!i) diff --git a/drivers/acpi/processor_throttling.c b/drivers/acpi/processor_throttling.c index 605a2954ef17..1d02b7b5ade0 100644 --- a/drivers/acpi/processor_throttling.c +++ b/drivers/acpi/processor_throttling.c @@ -769,7 +769,7 @@ static int acpi_read_throttling_status(struct acpi_processor *pr, u64 *value) { u32 bit_width, bit_offset; - u64 ptc_value; + u32 ptc_value; u64 ptc_mask; struct acpi_processor_throttling *throttling; int ret = -1; @@ -777,12 +777,11 @@ static int acpi_read_throttling_status(struct acpi_processor *pr, throttling = &pr->throttling; switch (throttling->status_register.space_id) { case ACPI_ADR_SPACE_SYSTEM_IO: - ptc_value = 0; bit_width = throttling->status_register.bit_width; bit_offset = throttling->status_register.bit_offset; acpi_os_read_port((acpi_io_address) throttling->status_register. - address, (u32 *) &ptc_value, + address, &ptc_value, (u32) (bit_width + bit_offset)); ptc_mask = (1 << bit_width) - 1; *value = (u64) ((ptc_value >> bit_offset) & ptc_mask); diff --git a/drivers/acpi/reboot.c b/drivers/acpi/reboot.c index a6c77e8b37bd..c1d612435939 100644 --- a/drivers/acpi/reboot.c +++ b/drivers/acpi/reboot.c @@ -23,8 +23,7 @@ void acpi_reboot(void) /* Is the reset register supported? The spec says we should be * checking the bit width and bit offset, but Windows ignores * these fields */ - if (!(acpi_gbl_FADT.flags & ACPI_FADT_RESET_REGISTER)) - return; + /* Ignore also acpi_gbl_FADT.flags.ACPI_FADT_RESET_REGISTER */ reset_value = acpi_gbl_FADT.reset_value; diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index 8ab80bafe3f1..767e2dcb9616 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -880,18 +880,22 @@ static int acpi_bus_get_power_flags(struct acpi_device *device) int j; device->power.flags.power_resources = 1; - ps->flags.valid = 1; for (j = 0; j < ps->resources.count; j++) acpi_bus_add_power_resource(ps->resources.handles[j]); } + /* The exist of _PR3 indicates D3Cold support */ + if (i == ACPI_STATE_D3) { + status = acpi_get_handle(device->handle, object_name, &handle); + if (ACPI_SUCCESS(status)) + device->power.states[ACPI_STATE_D3_COLD].flags.valid = 1; + } + /* Evaluate "_PSx" to see if we can do explicit sets */ object_name[2] = 'S'; status = acpi_get_handle(device->handle, object_name, &handle); - if (ACPI_SUCCESS(status)) { + if (ACPI_SUCCESS(status)) ps->flags.explicit_set = 1; - ps->flags.valid = 1; - } /* State is valid if we have some power control */ if (ps->resources.count || ps->flags.explicit_set) diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c index 0a7ed69546ba..1d661b5c3287 100644 --- a/drivers/acpi/sleep.c +++ b/drivers/acpi/sleep.c @@ -17,6 +17,8 @@ #include <linux/suspend.h> #include <linux/reboot.h> #include <linux/acpi.h> +#include <linux/module.h> +#include <linux/pm_runtime.h> #include <asm/io.h> @@ -26,6 +28,24 @@ #include "internal.h" #include "sleep.h" +static unsigned int gts, bfs; +module_param(gts, uint, 0644); +module_param(bfs, uint, 0644); +MODULE_PARM_DESC(gts, "Enable evaluation of _GTS on suspend."); +MODULE_PARM_DESC(bfs, "Enable evaluation of _BFS on resume".); + +static u8 wake_sleep_flags(void) +{ + u8 flags = ACPI_NO_OPTIONAL_METHODS; + + if (gts) + flags |= ACPI_EXECUTE_GTS; + if (bfs) + flags |= ACPI_EXECUTE_BFS; + + return flags; +} + static u8 sleep_states[ACPI_S_STATE_COUNT]; static void acpi_sleep_tts_switch(u32 acpi_state) @@ -243,6 +263,7 @@ static int acpi_suspend_enter(suspend_state_t pm_state) { acpi_status status = AE_OK; u32 acpi_state = acpi_target_sleep_state; + u8 flags = wake_sleep_flags(); int error; ACPI_FLUSH_CPU_CACHE(); @@ -250,7 +271,7 @@ static int acpi_suspend_enter(suspend_state_t pm_state) switch (acpi_state) { case ACPI_STATE_S1: barrier(); - status = acpi_enter_sleep_state(acpi_state); + status = acpi_enter_sleep_state(acpi_state, flags); break; case ACPI_STATE_S3: @@ -265,7 +286,7 @@ static int acpi_suspend_enter(suspend_state_t pm_state) acpi_write_bit_register(ACPI_BITREG_SCI_ENABLE, 1); /* Reprogram control registers and execute _BFS */ - acpi_leave_sleep_state_prep(acpi_state); + acpi_leave_sleep_state_prep(acpi_state, flags); /* ACPI 3.0 specs (P62) says that it's the responsibility * of the OSPM to clear the status bit [ implying that the @@ -438,6 +459,14 @@ static struct dmi_system_id __initdata acpisleep_dmi_table[] = { }, { .callback = init_nvs_nosave, + .ident = "Sony Vaio VPCCW29FX", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), + DMI_MATCH(DMI_PRODUCT_NAME, "VPCCW29FX"), + }, + }, + { + .callback = init_nvs_nosave, .ident = "Averatec AV1020-ED2", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "AVERATEC"), @@ -521,27 +550,30 @@ static int acpi_hibernation_begin(void) static int acpi_hibernation_enter(void) { + u8 flags = wake_sleep_flags(); acpi_status status = AE_OK; ACPI_FLUSH_CPU_CACHE(); /* This shouldn't return. If it returns, we have a problem */ - status = acpi_enter_sleep_state(ACPI_STATE_S4); + status = acpi_enter_sleep_state(ACPI_STATE_S4, flags); /* Reprogram control registers and execute _BFS */ - acpi_leave_sleep_state_prep(ACPI_STATE_S4); + acpi_leave_sleep_state_prep(ACPI_STATE_S4, flags); return ACPI_SUCCESS(status) ? 0 : -EFAULT; } static void acpi_hibernation_leave(void) { + u8 flags = wake_sleep_flags(); + /* * If ACPI is not enabled by the BIOS and the boot kernel, we need to * enable it here. */ acpi_enable(); /* Reprogram control registers and execute _BFS */ - acpi_leave_sleep_state_prep(ACPI_STATE_S4); + acpi_leave_sleep_state_prep(ACPI_STATE_S4, flags); /* Check the hardware signature */ if (facs && s4_hardware_signature != facs->hardware_signature) { printk(KERN_EMERG "ACPI: Hardware changed while hibernated, " @@ -722,6 +754,40 @@ int acpi_pm_device_sleep_state(struct device *dev, int *d_min_p) #ifdef CONFIG_PM_SLEEP /** + * acpi_pm_device_run_wake - Enable/disable wake-up for given device. + * @phys_dev: Device to enable/disable the platform to wake-up the system for. + * @enable: Whether enable or disable the wake-up functionality. + * + * Find the ACPI device object corresponding to @pci_dev and try to + * enable/disable the GPE associated with it. + */ +int acpi_pm_device_run_wake(struct device *phys_dev, bool enable) +{ + struct acpi_device *dev; + acpi_handle handle; + + if (!device_run_wake(phys_dev)) + return -EINVAL; + + handle = DEVICE_ACPI_HANDLE(phys_dev); + if (!handle || ACPI_FAILURE(acpi_bus_get_device(handle, &dev))) { + dev_dbg(phys_dev, "ACPI handle has no context in %s!\n", + __func__); + return -ENODEV; + } + + if (enable) { + acpi_enable_wakeup_device_power(dev, ACPI_STATE_S0); + acpi_enable_gpe(dev->wakeup.gpe_device, dev->wakeup.gpe_number); + } else { + acpi_disable_gpe(dev->wakeup.gpe_device, dev->wakeup.gpe_number); + acpi_disable_wakeup_device_power(dev); + } + + return 0; +} + +/** * acpi_pm_device_sleep_wake - enable or disable the system wake-up * capability of given device * @dev: device to handle @@ -762,10 +828,12 @@ static void acpi_power_off_prepare(void) static void acpi_power_off(void) { + u8 flags = wake_sleep_flags(); + /* acpi_sleep_prepare(ACPI_STATE_S5) should have already been called */ printk(KERN_DEBUG "%s called\n", __func__); local_irq_disable(); - acpi_enter_sleep_state(ACPI_STATE_S5); + acpi_enter_sleep_state(ACPI_STATE_S5, flags); } /* @@ -780,13 +848,13 @@ static void __init acpi_gts_bfs_check(void) { acpi_handle dummy; - if (ACPI_SUCCESS(acpi_get_handle(ACPI_ROOT_OBJECT, METHOD_NAME__GTS, &dummy))) + if (ACPI_SUCCESS(acpi_get_handle(ACPI_ROOT_OBJECT, METHOD_PATHNAME__GTS, &dummy))) { printk(KERN_NOTICE PREFIX "BIOS offers _GTS\n"); printk(KERN_NOTICE PREFIX "If \"acpi.gts=1\" improves suspend, " "please notify linux-acpi@vger.kernel.org\n"); } - if (ACPI_SUCCESS(acpi_get_handle(ACPI_ROOT_OBJECT, METHOD_NAME__BFS, &dummy))) + if (ACPI_SUCCESS(acpi_get_handle(ACPI_ROOT_OBJECT, METHOD_PATHNAME__BFS, &dummy))) { printk(KERN_NOTICE PREFIX "BIOS offers _BFS\n"); printk(KERN_NOTICE PREFIX "If \"acpi.bfs=1\" improves resume, " diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c index 48fbc647b178..7dbebea1ec31 100644 --- a/drivers/acpi/thermal.c +++ b/drivers/acpi/thermal.c @@ -941,13 +941,13 @@ static int acpi_thermal_get_info(struct acpi_thermal *tz) if (!tz) return -EINVAL; - /* Get temperature [_TMP] (required) */ - result = acpi_thermal_get_temperature(tz); + /* Get trip points [_CRT, _PSV, etc.] (required) */ + result = acpi_thermal_get_trip_points(tz); if (result) return result; - /* Get trip points [_CRT, _PSV, etc.] (required) */ - result = acpi_thermal_get_trip_points(tz); + /* Get temperature [_TMP] (required) */ + result = acpi_thermal_get_temperature(tz); if (result) return result; diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c index 08a44b532f7c..9577b6fa2650 100644 --- a/drivers/acpi/video.c +++ b/drivers/acpi/video.c @@ -69,21 +69,21 @@ MODULE_AUTHOR("Bruno Ducrot"); MODULE_DESCRIPTION("ACPI Video Driver"); MODULE_LICENSE("GPL"); -static int brightness_switch_enabled = 1; +static bool brightness_switch_enabled = 1; module_param(brightness_switch_enabled, bool, 0644); /* * By default, we don't allow duplicate ACPI video bus devices * under the same VGA controller */ -static int allow_duplicates; +static bool allow_duplicates; module_param(allow_duplicates, bool, 0644); /* * Some BIOSes claim they use minimum backlight at boot, * and this may bring dimming screen after boot */ -static int use_bios_initial_backlight = 1; +static bool use_bios_initial_backlight = 1; module_param(use_bios_initial_backlight, bool, 0644); static int register_count = 0; @@ -548,27 +548,27 @@ acpi_video_device_EDID(struct acpi_video_device *device, * 1. The system BIOS should NOT automatically control the brightness * level of the LCD when the power changes from AC to DC. * Return Value: - * -1 wrong arg. + * -EINVAL wrong arg. */ static int acpi_video_bus_DOS(struct acpi_video_bus *video, int bios_flag, int lcd_flag) { - u64 status = 0; + acpi_status status; union acpi_object arg0 = { ACPI_TYPE_INTEGER }; struct acpi_object_list args = { 1, &arg0 }; - if (bios_flag < 0 || bios_flag > 3 || lcd_flag < 0 || lcd_flag > 1) { - status = -1; - goto Failed; - } + if (bios_flag < 0 || bios_flag > 3 || lcd_flag < 0 || lcd_flag > 1) + return -EINVAL; arg0.integer.value = (lcd_flag << 2) | bios_flag; video->dos_setting = arg0.integer.value; - acpi_evaluate_object(video->device->handle, "_DOS", &args, NULL); + status = acpi_evaluate_object(video->device->handle, "_DOS", + &args, NULL); + if (ACPI_FAILURE(status)) + return -EIO; - Failed: - return status; + return 0; } /* @@ -1343,15 +1343,17 @@ static int acpi_video_bus_get_devices(struct acpi_video_bus *video, struct acpi_device *device) { - int status = 0; + int status; struct acpi_device *dev; - acpi_video_device_enumerate(video); + status = acpi_video_device_enumerate(video); + if (status) + return status; list_for_each_entry(dev, &device->children, node) { status = acpi_video_bus_get_one_device(dev, video); - if (ACPI_FAILURE(status)) { + if (status) { printk(KERN_WARNING PREFIX "Can't attach device\n"); continue; @@ -1653,15 +1655,20 @@ static int acpi_video_bus_add(struct acpi_device *device) mutex_init(&video->device_list_lock); INIT_LIST_HEAD(&video->video_device_list); - acpi_video_bus_get_devices(video, device); - acpi_video_bus_start_devices(video); + error = acpi_video_bus_get_devices(video, device); + if (error) + goto err_free_video; video->input = input = input_allocate_device(); if (!input) { error = -ENOMEM; - goto err_stop_video; + goto err_put_video; } + error = acpi_video_bus_start_devices(video); + if (error) + goto err_free_input_dev; + snprintf(video->phys, sizeof(video->phys), "%s/video/input0", acpi_device_hid(video->device)); @@ -1682,7 +1689,7 @@ static int acpi_video_bus_add(struct acpi_device *device) error = input_register_device(input); if (error) - goto err_free_input_dev; + goto err_stop_video; printk(KERN_INFO PREFIX "%s [%s] (multi-head: %s rom: %s post: %s)\n", ACPI_VIDEO_DEVICE_NAME, acpi_device_bid(device), @@ -1692,14 +1699,19 @@ static int acpi_video_bus_add(struct acpi_device *device) video->pm_nb.notifier_call = acpi_video_resume; video->pm_nb.priority = 0; - register_pm_notifier(&video->pm_nb); + error = register_pm_notifier(&video->pm_nb); + if (error) + goto err_unregister_input_dev; return 0; - err_free_input_dev: - input_free_device(input); + err_unregister_input_dev: + input_unregister_device(input); err_stop_video: acpi_video_bus_stop_devices(video); + err_free_input_dev: + input_free_device(input); + err_put_video: acpi_video_bus_put_devices(video); kfree(video->attached_array); err_free_video: diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c index f3f0fe7e255a..45d8097ef4cf 100644 --- a/drivers/acpi/video_detect.c +++ b/drivers/acpi/video_detect.c @@ -23,7 +23,7 @@ * Depending on whether ACPI graphics extensions (cmp. ACPI spec Appendix B) * are available, video.ko should be used to handle the device. * - * Otherwise vendor specific drivers like thinkpad_acpi, asus_acpi, + * Otherwise vendor specific drivers like thinkpad_acpi, asus-laptop, * sony_acpi,... can take care about backlight brightness. * * If CONFIG_ACPI_VIDEO is neither set as "compiled in" (y) nor as a module (m) |