/* * ACPI Sony Notebook Control Driver (SNC and SPIC) * * Copyright (C) 2004-2005 Stelian Pop * Copyright (C) 2007-2009 Mattia Dongili * * Parts of this driver inspired from asus_acpi.c and ibm_acpi.c * which are copyrighted by their respective authors. * * The SNY6001 driver part is based on the sonypi driver which includes * material from: * * Copyright (C) 2001-2005 Stelian Pop * * Copyright (C) 2005 Narayanan R S * * Copyright (C) 2001-2002 Alcôve * * Copyright (C) 2001 Michael Ashley * * Copyright (C) 2001 Junichi Morita * * Copyright (C) 2000 Takaya Kinjo * * Copyright (C) 2000 Andrew Tridgell * * Earlier work by Werner Almesberger, Paul `Rusty' Russell and Paul Mackerras. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * 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., 675 Mass Ave, Cambridge, MA 02139, USA. * */ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #ifdef CONFIG_SONYPI_COMPAT #include #include #endif #define dprintk(fmt, ...) \ do { \ if (debug) \ pr_warn(fmt, ##__VA_ARGS__); \ } while (0) #define SONY_LAPTOP_DRIVER_VERSION "0.6" #define SONY_NC_CLASS "sony-nc" #define SONY_NC_HID "SNY5001" #define SONY_NC_DRIVER_NAME "Sony Notebook Control Driver" #define SONY_PIC_CLASS "sony-pic" #define SONY_PIC_HID "SNY6001" #define SONY_PIC_DRIVER_NAME "Sony Programmable IO Control Driver" MODULE_AUTHOR("Stelian Pop, Mattia Dongili"); MODULE_DESCRIPTION("Sony laptop extras driver (SPIC and SNC ACPI device)"); MODULE_LICENSE("GPL"); MODULE_VERSION(SONY_LAPTOP_DRIVER_VERSION); static int debug; module_param(debug, int, 0); MODULE_PARM_DESC(debug, "set this to 1 (and RTFM) if you want to help " "the development of this driver"); static int no_spic; /* = 0 */ module_param(no_spic, int, 0444); MODULE_PARM_DESC(no_spic, "set this if you don't want to enable the SPIC device"); static int compat; /* = 0 */ module_param(compat, int, 0444); MODULE_PARM_DESC(compat, "set this if you want to enable backward compatibility mode"); static unsigned long mask = 0xffffffff; module_param(mask, ulong, 0644); MODULE_PARM_DESC(mask, "set this to the mask of event you want to enable (see doc)"); static int camera; /* = 0 */ module_param(camera, int, 0444); MODULE_PARM_DESC(camera, "set this to 1 to enable Motion Eye camera controls " "(only use it if you have a C1VE or C1VN model)"); #ifdef CONFIG_SONYPI_COMPAT static int minor = -1; module_param(minor, int, 0); MODULE_PARM_DESC(minor, "minor number of the misc device for the SPIC compatibility code, " "default is -1 (automatic)"); #endif static int kbd_backlight = 1; module_param(kbd_backlight, int, 0444); MODULE_PARM_DESC(kbd_backlight, "set this to 0 to disable keyboard backlight, " "1 to enable it (default: 0)"); static int kbd_backlight_timeout; /* = 0 */ module_param(kbd_backlight_timeout, int, 0444); MODULE_PARM_DESC(kbd_backlight_timeout, "set this to 0 to set the default 10 seconds timeout, " "1 for 30 seconds, 2 for 60 seconds and 3 to disable timeout " "(default: 0)"); #ifdef CONFIG_PM_SLEEP static void sony_nc_kbd_backlight_resume(void); static void sony_nc_thermal_resume(void); #endif static int sony_nc_kbd_backlight_setup(struct platform_device *pd, unsigned int handle); static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd); static int sony_nc_battery_care_setup(struct platform_device *pd, unsigned int handle); static void sony_nc_battery_care_cleanup(struct platform_device *pd); static int sony_nc_thermal_setup(struct platform_device *pd); static void sony_nc_thermal_cleanup(struct platform_device *pd); static int sony_nc_lid_resume_setup(struct platform_device *pd); static void sony_nc_lid_resume_cleanup(struct platform_device *pd); static int sony_nc_gfx_switch_setup(struct platform_device *pd, unsigned int handle); static void sony_nc_gfx_switch_cleanup(struct platform_device *pd); static int __sony_nc_gfx_switch_status_get(void); static int sony_nc_highspeed_charging_setup(struct platform_device *pd); static void sony_nc_highspeed_charging_cleanup(struct platform_device *pd); static int sony_nc_touchpad_setup(struct platform_device *pd, unsigned int handle); static void sony_nc_touchpad_cleanup(struct platform_device *pd); enum sony_nc_rfkill { SONY_WIFI, SONY_BLUETOOTH, SONY_WWAN, SONY_WIMAX, N_SONY_RFKILL, }; static int sony_rfkill_handle; static struct rfkill *sony_rfkill_devices[N_SONY_RFKILL]; static int sony_rfkill_address[N_SONY_RFKILL] = {0x300, 0x500, 0x700, 0x900}; static int sony_nc_rfkill_setup(struct acpi_device *device, unsigned int handle); static void sony_nc_rfkill_cleanup(void); static void sony_nc_rfkill_update(void); /*********** Input Devices ***********/ #define SONY_LAPTOP_BUF_SIZE 128 struct sony_laptop_input_s { atomic_t users; struct input_dev *jog_dev; struct input_dev *key_dev; struct kfifo fifo; spinlock_t fifo_lock; struct timer_list release_key_timer; }; static struct sony_laptop_input_s sony_laptop_input = { .users = ATOMIC_INIT(0), }; struct sony_laptop_keypress { struct input_dev *dev; int key; }; /* Correspondance table between sonypi events * and input layer indexes in the keymap */ static int sony_laptop_input_index[] = { -1, /* 0 no event */ -1, /* 1 SONYPI_EVENT_JOGDIAL_DOWN */ -1, /* 2 SONYPI_EVENT_JOGDIAL_UP */ -1, /* 3 SONYPI_EVENT_JOGDIAL_DOWN_PRESSED */ -1, /* 4 SONYPI_EVENT_JOGDIAL_UP_PRESSED */ -1, /* 5 SONYPI_EVENT_JOGDIAL_PRESSED */ -1, /* 6 SONYPI_EVENT_JOGDIAL_RELEASED */ 0, /* 7 SONYPI_EVENT_CAPTURE_PRESSED */ 1, /* 8 SONYPI_EVENT_CAPTURE_RELEASED */ 2, /* 9 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */ 3, /* 10 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */ 4, /* 11 SONYPI_EVENT_FNKEY_ESC */ 5, /* 12 SONYPI_EVENT_FNKEY_F1 */ 6, /* 13 SONYPI_EVENT_FNKEY_F2 */ 7, /* 14 SONYPI_EVENT_FNKEY_F3 */ 8, /* 15 SONYPI_EVENT_FNKEY_F4 */ 9, /* 16 SONYPI_EVENT_FNKEY_F5 */ 10, /* 17 SONYPI_EVENT_FNKEY_F6 */ 11, /* 18 SONYPI_EVENT_FNKEY_F7 */ 12, /* 19 SONYPI_EVENT_FNKEY_F8 */ 13, /* 20 SONYPI_EVENT_FNKEY_F9 */ 14, /* 21 SONYPI_EVENT_FNKEY_F10 */ 15, /* 22 SONYPI_EVENT_FNKEY_F11 */ 16, /* 23 SONYPI_EVENT_FNKEY_F12 */ 17, /* 24 SONYPI_EVENT_FNKEY_1 */ 18, /* 25 SONYPI_EVENT_FNKEY_2 */ 19, /* 26 SONYPI_EVENT_FNKEY_D */ 20, /* 27 SONYPI_EVENT_FNKEY_E */ 21, /* 28 SONYPI_EVENT_FNKEY_F */ 22, /* 29 SONYPI_EVENT_FNKEY_S */ 23, /* 30 SONYPI_EVENT_FNKEY_B */ 24, /* 31 SONYPI_EVENT_BLUETOOTH_PRESSED */ 25, /* 32 SONYPI_EVENT_PKEY_P1 */ 26, /* 33 SONYPI_EVENT_PKEY_P2 */ 27, /* 34 SONYPI_EVENT_PKEY_P3 */ 28, /* 35 SONYPI_EVENT_BACK_PRESSED */ -1, /* 36 SONYPI_EVENT_LID_CLOSED */ -1, /* 37 SONYPI_EVENT_LID_OPENED */ 29, /* 38 SONYPI_EVENT_BLUETOOTH_ON */ 30, /* 39 SONYPI_EVENT_BLUETOOTH_OFF */ 31, /* 40 SONYPI_EVENT_HELP_PRESSED */ 32, /* 41 SONYPI_EVENT_FNKEY_ONLY */ 33, /* 42 SONYPI_EVENT_JOGDIAL_FAST_DOWN */ 34, /* 43 SONYPI_EVENT_JOGDIAL_FAST_UP */ 35, /* 44 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */ 36, /* 45 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */ 37, /* 46 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */ 38, /* 47 SONYPI_EVENT_JOGDIAL_VFAST_UP */ 39, /* 48 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */ 40, /* 49 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */ 41, /* 50 SONYPI_EVENT_ZOOM_PRESSED */ 42, /* 51 SONYPI_EVENT_THUMBPHRASE_PRESSED */ 43, /* 52 SONYPI_EVENT_MEYE_FACE */ 44, /* 53 SONYPI_EVENT_MEYE_OPPOSITE */ 45, /* 54 SONYPI_EVENT_MEMORYSTICK_INSERT */ 46, /* 55 SONYPI_EVENT_MEMORYSTICK_EJECT */ -1, /* 56 SONYPI_EVENT_ANYBUTTON_RELEASED */ -1, /* 57 SONYPI_EVENT_BATTERY_INSERT */ -1, /* 58 SONYPI_EVENT_BATTERY_REMOVE */ -1, /* 59 SONYPI_EVENT_FNKEY_RELEASED */ 47, /* 60 SONYPI_EVENT_WIRELESS_ON */ 48, /* 61 SONYPI_EVENT_WIRELESS_OFF */ 49, /* 62 SONYPI_EVENT_ZOOM_IN_PRESSED */ 50, /* 63 SONYPI_EVENT_ZOOM_OUT_PRESSED */ 51, /* 64 SONYPI_EVENT_CD_EJECT_PRESSED */ 52, /* 65 SONYPI_EVENT_MODEKEY_PRESSED */ 53, /* 66 SONYPI_EVENT_PKEY_P4 */ 54, /* 67 SONYPI_EVENT_PKEY_P5 */ 55, /* 68 SONYPI_EVENT_SETTINGKEY_PRESSED */ 56, /* 69 SONYPI_EVENT_VOLUME_INC_PRESSED */ 57, /* 70 SONYPI_EVENT_VOLUME_DEC_PRESSED */ -1, /* 71 SONYPI_EVENT_BRIGHTNESS_PRESSED */ 58, /* 72 SONYPI_EVENT_MEDIA_PRESSED */ 59, /* 72 SONYPI_EVENT_VENDOR_PRESSED */ }; static int sony_laptop_input_keycode_map[] = { KEY_CAMERA, /* 0 SONYPI_EVENT_CAPTURE_PRESSED */ KEY_RESERVED, /* 1 SONYPI_EVENT_CAPTURE_RELEASED */ KEY_RESERVED, /* 2 SONYPI_EVENT_CAPTURE_PARTIALPRESSED */ KEY_RESERVED, /* 3 SONYPI_EVENT_CAPTURE_PARTIALRELEASED */ KEY_FN_ESC, /* 4 SONYPI_EVENT_FNKEY_ESC */ KEY_FN_F1, /* 5 SONYPI_EVENT_FNKEY_F1 */ KEY_FN_F2, /* 6 SONYPI_EVENT_FNKEY_F2 */ KEY_FN_F3, /* 7 SONYPI_EVENT_FNKEY_F3 */ KEY_FN_F4, /* 8 SONYPI_EVENT_FNKEY_F4 */ KEY_FN_F5, /* 9 SONYPI_EVENT_FNKEY_F5 */ KEY_FN_F6, /* 10 SONYPI_EVENT_FNKEY_F6 */ KEY_FN_F7, /* 11 SONYPI_EVENT_FNKEY_F7 */ KEY_FN_F8, /* 12 SONYPI_EVENT_FNKEY_F8 */ KEY_FN_F9, /* 13 SONYPI_EVENT_FNKEY_F9 */ KEY_FN_F10, /* 14 SONYPI_EVENT_FNKEY_F10 */ KEY_FN_F11, /* 15 SONYPI_EVENT_FNKEY_F11 */ KEY_FN_F12, /* 16 SONYPI_EVENT_FNKEY_F12 */ KEY_FN_F1, /* 17 SONYPI_EVENT_FNKEY_1 */ KEY_FN_F2, /* 18 SONYPI_EVENT_FNKEY_2 */ KEY_FN_D, /* 19 SONYPI_EVENT_FNKEY_D */ KEY_FN_E, /* 20 SONYPI_EVENT_FNKEY_E */ KEY_FN_F, /* 21 SONYPI_EVENT_FNKEY_F */ KEY_FN_S, /* 22 SONYPI_EVENT_FNKEY_S */ KEY_FN_B, /* 23 SONYPI_EVENT_FNKEY_B */ KEY_BLUETOOTH, /* 24 SONYPI_EVENT_BLUETOOTH_PRESSED */ KEY_PROG1, /* 25 SONYPI_EVENT_PKEY_P1 */ KEY_PROG2, /* 26 SONYPI_EVENT_PKEY_P2 */ KEY_PROG3, /* 27 SONYPI_EVENT_PKEY_P3 */ KEY_BACK, /* 28 SONYPI_EVENT_BACK_PRESSED */ KEY_BLUETOOTH, /* 29 SONYPI_EVENT_BLUETOOTH_ON */ KEY_BLUETOOTH, /* 30 SONYPI_EVENT_BLUETOOTH_OFF */ KEY_HELP, /* 31 SONYPI_EVENT_HELP_PRESSED */ KEY_FN, /* 32 SONYPI_EVENT_FNKEY_ONLY */ KEY_RESERVED, /* 33 SONYPI_EVENT_JOGDIAL_FAST_DOWN */ KEY_RESERVED, /* 34 SONYPI_EVENT_JOGDIAL_FAST_UP */ KEY_RESERVED, /* 35 SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED */ KEY_RESERVED, /* 36 SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED */ KEY_RESERVED, /* 37 SONYPI_EVENT_JOGDIAL_VFAST_DOWN */ KEY_RESERVED, /* 38 SONYPI_EVENT_JOGDIAL_VFAST_UP */ KEY_RESERVED, /* 39 SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED */ KEY_RESERVED, /* 40 SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED */ KEY_ZOOM, /* 41 SONYPI_EVENT_ZOOM_PRESSED */ BTN_THUMB, /* 42 SONYPI_EVENT_THUMBPHRASE_PRESSED */ KEY_RESERVED, /* 43 SONYPI_EVENT_MEYE_FACE */ KEY_RESERVED, /* 44 SONYPI_EVENT_MEYE_OPPOSITE */ KEY_RESERVED, /* 45 SONYPI_EVENT_MEMORYSTICK_INSERT */ KEY_RESERVED, /* 46 SONYPI_EVENT_MEMORYSTICK_EJECT */ KEY_WLAN, /* 47 SONYPI_EVENT_WIRELESS_ON */ KEY_WLAN, /* 48 SONYPI_EVENT_WIRELESS_OFF */ KEY_ZOOMIN, /* 49 SONYPI_EVENT_ZOOM_IN_PRESSED */ KEY_ZOOMOUT, /* 50 SONYPI_EVENT_ZOOM_OUT_PRESSED */ KEY_EJECTCD, /* 51 SONYPI_EVENT_CD_EJECT_PRESSED */ KEY_F13, /* 52 SONYPI_EVENT_MODEKEY_PRESSED */ KEY_PROG4, /* 53 SONYPI_EVENT_PKEY_P4 */ KEY_F14, /* 54 SONYPI_EVENT_PKEY_P5 */ KEY_F15, /* 55 SONYPI_EVENT_SETTINGKEY_PRESSED */ KEY_VOLUMEUP, /* 56 SONYPI_EVENT_VOLUME_INC_PRESSED */ KEY_VOLUMEDOWN, /* 57 SONYPI_EVENT_VOLUME_DEC_PRESSED */ KEY_MEDIA, /* 58 SONYPI_EVENT_MEDIA_PRESSED */ KEY_VENDOR, /* 59 SONYPI_EVENT_VENDOR_PRESSED */ }; /* release buttons after a short delay if pressed */ static void do_sony_laptop_release_key(unsigned long unused) { struct sony_laptop_keypress kp; unsigned long flags; spin_lock_irqsave(&sony_laptop_input.fifo_lock, flags); if (kfifo_out(&sony_laptop_input.fifo, (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) { input_report_key(kp.dev, kp.key, 0); input_sync(kp.dev); } /* If there is something in the fifo schedule next release. */ if (kfifo_len(&sony_laptop_input.fifo) != 0) mod_timer(&sony_laptop_input.release_key_timer, jiffies + msecs_to_jiffies(10)); spin_unlock_irqrestore(&sony_laptop_input.fifo_lock, flags); } /* forward event to the input subsystem */ static void sony_laptop_report_input_event(u8 event) { struct input_dev *jog_dev = sony_laptop_input.jog_dev; struct input_dev *key_dev = sony_laptop_input.key_dev; struct sony_laptop_keypress kp = { NULL }; int scancode = -1; if (event == SONYPI_EVENT_FNKEY_RELEASED || event == SONYPI_EVENT_ANYBUTTON_RELEASED) { /* Nothing, not all VAIOs generate this event */ return; } /* report events */ switch (event) { /* jog_dev events */ case SONYPI_EVENT_JOGDIAL_UP: case SONYPI_EVENT_JOGDIAL_UP_PRESSED: input_report_rel(jog_dev, REL_WHEEL, 1); input_sync(jog_dev); return; case SONYPI_EVENT_JOGDIAL_DOWN: case SONYPI_EVENT_JOGDIAL_DOWN_PRESSED: input_report_rel(jog_dev, REL_WHEEL, -1); input_sync(jog_dev); return; /* key_dev events */ case SONYPI_EVENT_JOGDIAL_PRESSED: kp.key = BTN_MIDDLE; kp.dev = jog_dev; break; default: if (event >= ARRAY_SIZE(sony_laptop_input_index)) { dprintk("sony_laptop_report_input_event, event not known: %d\n", event); break; } if ((scancode = sony_laptop_input_index[event]) != -1) { kp.key = sony_laptop_input_keycode_map[scancode]; if (kp.key != KEY_UNKNOWN) kp.dev = key_dev; } break; } if (kp.dev) { /* if we have a scancode we emit it so we can always remap the key */ if (scancode != -1) input_event(kp.dev, EV_MSC, MSC_SCAN, scancode); input_report_key(kp.dev, kp.key, 1); input_sync(kp.dev); /* schedule key release */ kfifo_in_locked(&sony_laptop_input.fifo, (unsigned char *)&kp, sizeof(kp), &sony_laptop_input.fifo_lock); mod_timer(&sony_laptop_input.release_key_timer, jiffies + msecs_to_jiffies(10)); } else dprintk("unknown input event %.2x\n", event); } static int sony_laptop_setup_input(struct acpi_device *acpi_device) { struct input_dev *jog_dev; struct input_dev *key_dev; int i; int error; /* don't run again if already initialized */ if (atomic_add_return(1, &sony_laptop_input.users) > 1) return 0; /* kfifo */ spin_lock_init(&sony_laptop_input.fifo_lock); error = kfifo_alloc(&sony_laptop_input.fifo, SONY_LAPTOP_BUF_SIZE, GFP_KERNEL); if (error) { pr_err("kfifo_alloc failed\n"); goto err_dec_users; } setup_timer(&sony_laptop_input.release_key_timer, do_sony_laptop_release_key, 0); /* input keys */ key_dev = input_allocate_device(); if (!key_dev) { error = -ENOMEM; goto err_free_kfifo; } key_dev->name = "Sony Vaio Keys"; key_dev->id.bustype = BUS_ISA; key_dev->id.vendor = PCI_VENDOR_ID_SONY; key_dev->dev.parent = &acpi_device->dev; /* Initialize the Input Drivers: special keys */ input_set_capability(key_dev, EV_MSC, MSC_SCAN); __set_bit(EV_KEY, key_dev->evbit); key_dev->keycodesize = sizeof(sony_laptop_input_keycode_map[0]); key_dev->keycodemax = ARRAY_SIZE(sony_laptop_input_keycode_map); key_dev->keycode = &sony_laptop_input_keycode_map; for (i = 0; i < ARRAY_SIZE(sony_laptop_input_keycode_map); i++) __set_bit(sony_laptop_input_keycode_map[i], key_dev->keybit); __clear_bit(KEY_RESERVED, key_dev->keybit); error = input_register_device(key_dev); if (error) goto err_free_keydev; sony_laptop_input.key_dev = key_dev; /* jogdial */ jog_dev = input_allocate_device(); if (!jog_dev) { error = -ENOMEM; goto err_unregister_keydev; } jog_dev->name = "Sony Vaio Jogdial"; jog_dev->id.bustype = BUS_ISA; jog_dev->id.vendor = PCI_VENDOR_ID_SONY; jog_dev->dev.parent = &acpi_device->dev; input_set_capability(jog_dev, EV_KEY, BTN_MIDDLE); input_set_capability(jog_dev, EV_REL, REL_WHEEL); error = input_register_device(jog_dev); if (error) goto err_free_jogdev; sony_laptop_input.jog_dev = jog_dev; return 0; err_free_jogdev: input_free_device(jog_dev); err_unregister_keydev: input_unregister_device(key_dev); /* to avoid kref underflow below at input_free_device */ key_dev = NULL; err_free_keydev: input_free_device(key_dev); err_free_kfifo: kfifo_free(&sony_laptop_input.fifo); err_dec_users: atomic_dec(&sony_laptop_input.users); return error; } static void sony_laptop_remove_input(void) { struct sony_laptop_keypress kp = { NULL }; /* Cleanup only after the last user has gone */ if (!atomic_dec_and_test(&sony_laptop_input.users)) return; del_timer_sync(&sony_laptop_input.release_key_timer); /* * Generate key-up events for remaining keys. Note that we don't * need locking since nobody is adding new events to the kfifo. */ while (kfifo_out(&sony_laptop_input.fifo, (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) { input_report_key(kp.dev, kp.key, 0); input_sync(kp.dev); } /* destroy input devs */ input_unregister_device(sony_laptop_input.key_dev); sony_laptop_input.key_dev = NULL; if (sony_laptop_input.jog_dev) { input_unregister_device(sony_laptop_input.jog_dev); sony_laptop_input.jog_dev = NULL; } kfifo_free(&sony_laptop_input.fifo); } /*********** Platform Device ***********/ static atomic_t sony_pf_users = ATOMIC_INIT(0); static struct platform_driver sony_pf_driver = { .driver = { .name = "sony-laptop", .owner = THIS_MODULE, } }; static struct platform_device *sony_pf_device; static int sony_pf_add(void) { int ret = 0; /* don't run again if already initialized */ if (atomic_add_return(1, &sony_pf_users) > 1) return 0; ret = platform_driver_register(&sony_pf_driver); if (ret) goto out; sony_pf_device = platform_device_alloc("sony-laptop", -1); if (!sony_pf_device) { ret = -ENOMEM; goto out_platform_registered; } ret = platform_device_add(sony_pf_device); if (ret) goto out_platform_alloced; return 0; out_platform_alloced: platform_device_put(sony_pf_device); sony_pf_device = NULL; out_platform_registered: platform_driver_unregister(&sony_pf_driver); out: atomic_dec(&sony_pf_users); return ret; } static void sony_pf_remove(void) { /* deregister only after the last user has gone */ if (!atomic_dec_and_test(&sony_pf_users)) return; platform_device_unregister(sony_pf_device); platform_driver_unregister(&sony_pf_driver); } /*********** SNC (SNY5001) Device ***********/ /* the device uses 1-based values, while the backlight subsystem uses 0-based values */ #define SONY_MAX_BRIGHTNESS 8 #define SNC_VALIDATE_IN 0 #define SNC_VALIDATE_OUT 1 static ssize_t sony_nc_sysfs_show(struct device *, struct device_attribute *, char *); static ssize_t sony_nc_sysfs_store(struct device *, struct device_attribute *, const char *, size_t); static int boolean_validate(const int, const int); static int brightness_default_validate(const int, const int); struct sony_nc_value { char *name; /* name of the entry */ char **acpiget; /* names of the ACPI get function */ char **acpiset; /* names of the ACPI set function */ int (*validate)(const int, const int); /* input/output validation */ int value; /* current setting */ int valid; /* Has ever been set */ int debug; /* active only in debug mode ? */ struct device_attribute devattr; /* sysfs attribute */ }; #define SNC_HANDLE_NAMES(_name, _values...) \ static char *snc_##_name[] = { _values, NULL } #define SNC_HANDLE(_name, _getters, _setters, _validate, _debug) \ { \ .name = __stringify(_name), \ .acpiget = _getters, \ .acpiset = _setters, \ .validate = _validate, \ .debug = _debug, \ .devattr = __ATTR(_name, 0, sony_nc_sysfs_show, sony_nc_sysfs_store), \ } #define SNC_HANDLE_NULL { .name = NULL } SNC_HANDLE_NAMES(fnkey_get, "GHKE"); SNC_HANDLE_NAMES(brightness_def_get, "GPBR"); SNC_HANDLE_NAMES(brightness_def_set, "SPBR"); SNC_HANDLE_NAMES(cdpower_get, "GCDP"); SNC_HANDLE_NAMES(cdpower_set, "SCDP", "CDPW"); SNC_HANDLE_NAMES(audiopower_get, "GAZP"); SNC_HANDLE_NAMES(audiopower_set, "AZPW"); SNC_HANDLE_NAMES(lanpower_get, "GLNP"); SNC_HANDLE_NAMES(lanpower_set, "LNPW"); SNC_HANDLE_NAMES(lidstate_get, "GLID"); SNC_HANDLE_NAMES(indicatorlamp_get, "GILS"); SNC_HANDLE_NAMES(indicatorlamp_set, "SILS"); SNC_HANDLE_NAMES(gainbass_get, "GMGB"); SNC_HANDLE_NAMES(gainbass_set, "CMGB"); SNC_HANDLE_NAMES(PID_get, "GPID"); SNC_HANDLE_NAMES(CTR_get, "GCTR"); SNC_HANDLE_NAMES(CTR_set, "SCTR"); SNC_HANDLE_NAMES(PCR_get, "GPCR"); SNC_HANDLE_NAMES(PCR_set, "SPCR"); SNC_HANDLE_NAMES(CMI_get, "GCMI"); SNC_HANDLE_NAMES(CMI_set, "SCMI"); static struct sony_nc_value sony_nc_values[] = { SNC_HANDLE(brightness_default, snc_brightness_def_get, snc_brightness_def_set, brightness_default_validate, 0), SNC_HANDLE(fnkey, snc_fnkey_get, NULL, NULL, 0), SNC_HANDLE(cdpower, snc_cdpower_get, snc_cdpower_set, boolean_validate, 0), SNC_HANDLE(audiopower, snc_audiopower_get, snc_audiopower_set, boolean_validate, 0), SNC_HANDLE(lanpower, snc_lanpower_get, snc_lanpower_set, boolean_validate, 1), SNC_HANDLE(lidstate, snc_lidstate_get, NULL, boolean_validate, 0), SNC_HANDLE(indicatorlamp, snc_indicatorlamp_get, snc_indicatorlamp_set, boolean_validate, 0), SNC_HANDLE(gainbass, snc_gainbass_get, snc_gainbass_set, boolean_validate, 0), /* unknown methods */ SNC_HANDLE(PID, snc_PID_get, NULL, NULL, 1), SNC_HANDLE(CTR, snc_CTR_get, snc_CTR_set, NULL, 1), SNC_HANDLE(PCR, snc_PCR_get, snc_PCR_set, NULL, 1), SNC_HANDLE(CMI, snc_CMI_get, snc_CMI_set, NULL, 1), SNC_HANDLE_NULL }; static acpi_handle sony_nc_acpi_handle; static struct acpi_device *sony_nc_acpi_device = NULL; /* * acpi_evaluate_object wrappers * all useful calls into SNC methods take one or zero parameters and return * integers or arrays. */ static union acpi_object *__call_snc_method(acpi_handle handle, char *method, u64 *value) { union acpi_object *result = NULL; struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL }; acpi_status status; if (value) { struct acpi_object_list params; union acpi_object in; in.type = ACPI_TYPE_INTEGER; in.integer.value = *value; params.count = 1; params.pointer = ∈ status = acpi_evaluate_object(handle, method, ¶ms, &output); dprintk("__call_snc_method: [%s:0x%.8x%.8x]\n", method, (unsigned int)(*value >> 32), (unsigned int)*value & 0xffffffff); } else { status = acpi_evaluate_object(handle, method, NULL, &output); dprintk("__call_snc_method: [%s]\n", method); } if (ACPI_FAILURE(status)) { pr_err("Failed to evaluate [%s]\n", method); return NULL; } result = (union acpi_object *) output.pointer; if (!result) dprintk("No return object [%s]\n", method); return result; } static int sony_nc_int_call(acpi_handle handle, char *name, int *value, int *result) { union acpi_object *object = NULL; if (value) { u64 v = *value; object = __call_snc_method(handle, name, &v); } else object = __call_snc_method(handle, name, NULL); if (!object) return -EINVAL; if (object->type != ACPI_TYPE_INTEGER) { pr_warn("Invalid acpi_object: expected 0x%x got 0x%x\n", ACPI_TYPE_INTEGER, object->type); kfree(object); return -EINVAL; } if (result) *result = object->integer.value; kfree(object); return 0; } #define MIN(a, b) (a > b ? b : a) static int sony_nc_buffer_call(acpi_handle handle, char *name, u64 *value, void *buffer, size_t buflen) { int ret = 0; size_t len = len; union acpi_object *object = __call_snc_method(handle, name, value); if (!object) return -EINVAL; if (object->type == ACPI_TYPE_BUFFER) { len = MIN(buflen, object->buffer.length); memcpy(buffer, object->buffer.pointer, len); } else if (object->type == ACPI_TYPE_INTEGER) { len = MIN(buflen, sizeof(object->integer.value)); memcpy(buffer, &object->integer.value, len); } else { pr_warn("Invalid acpi_object: expected 0x%x got 0x%x\n", ACPI_TYPE_BUFFER, object->type); ret = -EINVAL; } kfree(object); return ret; } struct sony_nc_handles { u16 cap[0x10]; struct device_attribute devattr; }; static struct sony_nc_handles *handles; static ssize_t sony_nc_handles_show(struct device *dev, struct device_attribute *attr, char *buffer) { ssize_t len = 0; int i; for (i = 0; i < ARRAY_SIZE(handles->cap); i++) { len += snprintf(buffer + len, PAGE_SIZE - len, "0x%.4x ", handles->cap[i]); } len += snprintf(buffer + len, PAGE_SIZE - len, "\n"); return len; } static int sony_nc_handles_setup(struct platform_device *pd) { int i, r, result, arg; handles = kzalloc(sizeof(*handles), GFP_KERNEL); if (!handles) return -ENOMEM; for (i = 0; i < ARRAY_SIZE(handles->cap); i++) { arg = i + 0x20; r = sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, &result); if (!r) { dprintk("caching handle 0x%.4x (offset: 0x%.2x)\n", result, i); handles->cap[i] = result; } } if (debug) { sysfs_attr_init(&handles->devattr.attr); handles->devattr.attr.name = "handles"; handles->devattr.attr.mode = S_IRUGO; handles->devattr.show = sony_nc_handles_show; /* allow reading capabilities via sysfs */ if (device_create_file(&pd->dev, &handles->devattr)) { kfree(handles); handles = NULL; return -1; } } return 0; } static int sony_nc_handles_cleanup(struct platform_device *pd) { if (handles) { if (debug) device_remove_file(&pd->dev, &handles->devattr); kfree(handles); handles = NULL; } return 0; } static int sony_find_snc_handle(int handle) { int i; /* not initialized yet, return early */ if (!handles || !handle) return -EINVAL; for (i = 0; i < 0x10; i++) { if (handles->cap[i] == handle) { dprintk("found handle 0x%.4x (offset: 0x%.2x)\n", handle, i); return i; } } dprintk("handle 0x%.4x not found\n", handle); return -EINVAL; } static int sony_call_snc_handle(int handle, int argument, int *result) { int arg, ret = 0; int offset = sony_find_snc_handle(handle); if (offset < 0) return offset; arg = offset | argument; ret = sony_nc_int_call(sony_nc_acpi_handle, "SN07", &arg, result); dprintk("called SN07 with 0x%.4x (result: 0x%.4x)\n", arg, *result); return ret; } /* * sony_nc_values input/output validate functions */ /* brightness_default_validate: * * manipulate input output values to keep consistency with the * backlight framework for which brightness values are 0-based. */ static int brightness_default_validate(const int direction, const int value) { switch (direction) { case SNC_VALIDATE_OUT: return value - 1; case SNC_VALIDATE_IN: if (value >= 0 && value < SONY_MAX_BRIGHTNESS) return value + 1; } return -EINVAL; } /* boolean_validate: * * on input validate boolean values 0/1, on output just pass the * received value. */ static int boolean_validate(const int direction, const int value) { if (direction == SNC_VALIDATE_IN) { if (value != 0 && value != 1) return -EINVAL; } return value; } /* * Sysfs show/store common to all sony_nc_values */ static ssize_t sony_nc_sysfs_show(struct device *dev, struct device_attribute *attr, char *buffer) { int value, ret = 0; struct sony_nc_value *item = container_of(attr, struct sony_nc_value, devattr); if (!*item->acpiget) return -EIO; ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiget, NULL, &value); if (ret < 0) return -EIO; if (item->validate) value = item->validate(SNC_VALIDATE_OUT, value); return snprintf(buffer, PAGE_SIZE, "%d\n", value); } static ssize_t sony_nc_sysfs_store(struct device *dev, struct device_attribute *attr, const char *buffer, size_t count) { int value; int ret = 0; struct sony_nc_value *item = container_of(attr, struct sony_nc_value, devattr); if (!item->acpiset) return -EIO; if (count > 31) return -EINVAL; if (kstrtoint(buffer, 10, &value)) return -EINVAL; if (item->validate) value = item->validate(SNC_VALIDATE_IN, value); if (value < 0) return value; ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset, &value, NULL); if (ret < 0) return -EIO; item->value = value; item->valid = 1; return count; } /* * Backlight device */ struct sony_backlight_props { struct backlight_device *dev; int handle; int cmd_base; u8 offset; u8 maxlvl; }; struct sony_backlight_props sony_bl_props; static int sony_backlight_update_status(struct backlight_device *bd) { int arg = bd->props.brightness + 1; return sony_nc_int_call(sony_nc_acpi_handle, "SBRT", &arg, NULL); } static int sony_backlight_get_brightness(struct backlight_device *bd) { int value; if (sony_nc_int_call(sony_nc_acpi_handle, "GBRT", NULL, &value)) return 0; /* brightness levels are 1-based, while backlight ones are 0-based */ return value - 1; } static int sony_nc_get_brightness_ng(struct backlight_device *bd) { int result; struct sony_backlight_props *sdev = (struct sony_backlight_props *)bl_get_data(bd); sony_call_snc_handle(sdev->handle, sdev->cmd_base + 0x100, &result); return (result & 0xff) - sdev->offset; } static int sony_nc_update_status_ng(struct backlight_device *bd) { int value, result; struct sony_backlight_props *sdev = (struct sony_backlight_props *)bl_get_data(bd); value = bd->props.brightness + sdev->offset; if (sony_call_snc_handle(sdev->handle, sdev->cmd_base | (value << 0x10), &result)) return -EIO; return value; } static const struct backlight_ops sony_backlight_ops = { .options = BL_CORE_SUSPENDRESUME, .update_status = sony_backlight_update_status, .get_brightness = sony_backlight_get_brightness, }; static const struct backlight_ops sony_backlight_ng_ops = { .options = BL_CORE_SUSPENDRESUME, .update_status = sony_nc_update_status_ng, .get_brightness = sony_nc_get_brightness_ng, }; /* * New SNC-only Vaios event mapping to driver known keys */ struct sony_nc_event { u8 data; u8 event; }; static struct sony_nc_event sony_100_events[] = { { 0x90, SONYPI_EVENT_PKEY_P1 }, { 0x10, SONYPI_EVENT_ANYBUTTON_RELEASED }, { 0x91, SONYPI_EVENT_PKEY_P2 }, { 0x11, SONYPI_EVENT_ANYBUTTON_RELEASED }, { 0x81, SONYPI_EVENT_FNKEY_F1 }, { 0x01, SONYPI_EVENT_FNKEY_RELEASED }, { 0x82, SONYPI_EVENT_FNKEY_F2 }, { 0x02, SONYPI_EVENT_FNKEY_RELEASED }, { 0x83, SONYPI_EVENT_FNKEY_F3 }, { 0x03, SONYPI_EVENT_FNKEY_RELEASED }, { 0x84, SONYPI_EVENT_FNKEY_F4 }, { 0x04, SONYPI_EVENT_FNKEY_RELEASED }, { 0x85, SONYPI_EVENT_FNKEY_F5 }, { 0x05, SONYPI_EVENT_FNKEY_RELEASED }, { 0x86, SONYPI_EVENT_FNKEY_F6 }, { 0x06, SONYPI_EVENT_FNKEY_RELEASED }, { 0x87, SONYPI_EVENT_FNKEY_F7 }, { 0x07, SONYPI_EVENT_FNKEY_RELEASED }, { 0x88, SONYPI_EVENT_FNKEY_F8 }, { 0x08, SONYPI_EVENT_FNKEY_RELEASED }, { 0x89, SONYPI_EVENT_FNKEY_F9 }, { 0x09, SONYPI_EVENT_FNKEY_RELEASED }, { 0x8A, SONYPI_EVENT_FNKEY_F10 }, { 0x0A, SONYPI_EVENT_FNKEY_RELEASED }, { 0x8B, SONYPI_EVENT_FNKEY_F11 }, { 0x0B, SONYPI_EVENT_FNKEY_RELEASED }, { 0x8C, SONYPI_EVENT_FNKEY_F12 }, { 0x0C, SONYPI_EVENT_FNKEY_RELEASED }, { 0x9d, SONYPI_EVENT_ZOOM_PRESSED }, { 0x1d, SONYPI_EVENT_ANYBUTTON_RELEASED }, { 0x9f, SONYPI_EVENT_CD_EJECT_PRESSED }, { 0x1f, SONYPI_EVENT_ANYBUTTON_RELEASED }, { 0xa1, SONYPI_EVENT_MEDIA_PRESSED }, { 0x21, SONYPI_EVENT_ANYBUTTON_RELEASED }, { 0xa4, SONYPI_EVENT_CD_EJECT_PRESSED }, { 0x24, SONYPI_EVENT_ANYBUTTON_RELEASED }, { 0xa5, SONYPI_EVENT_VENDOR_PRESSED }, { 0x25, SONYPI_EVENT_ANYBUTTON_RELEASED }, { 0xa6, SONYPI_EVENT_HELP_PRESSED }, { 0x26, SONYPI_EVENT_ANYBUTTON_RELEASED }, { 0, 0 }, }; static struct sony_nc_event sony_127_events[] = { { 0x81, SONYPI_EVENT_MODEKEY_PRESSED }, { 0x01, SONYPI_EVENT_ANYBUTTON_RELEASED }, { 0x82, SONYPI_EVENT_PKEY_P1 }, { 0x02, SONYPI_EVENT_ANYBUTTON_RELEASED }, { 0x83, SONYPI_EVENT_PKEY_P2 }, { 0x03, SONYPI_EVENT_ANYBUTTON_RELEASED }, { 0x84, SONYPI_EVENT_PKEY_P3 }, { 0x04, SONYPI_EVENT_ANYBUTTON_RELEASED }, { 0x85, SONYPI_EVENT_PKEY_P4 }, { 0x05, SONYPI_EVENT_ANYBUTTON_RELEASED }, { 0x86, SONYPI_EVENT_PKEY_P5 }, { 0x06, SONYPI_EVENT_ANYBUTTON_RELEASED }, { 0x87, SONYPI_EVENT_SETTINGKEY_PRESSED }, { 0x07, SONYPI_EVENT_ANYBUTTON_RELEASED }, { 0, 0 }, }; static int sony_nc_hotkeys_decode(u32 event, unsigned int handle) { int ret = -EINVAL; unsigned int result = 0; struct sony_nc_event *key_event; if (sony_call_snc_handle(handle, 0x200, &result)) { dprintk("Unable to decode event 0x%.2x 0x%.2x\n", handle, event); return -EINVAL; } result &= 0xFF; if (handle == 0x0100) key_event = sony_100_events; else key_event = sony_127_events; for (; key_event->data; key_event++) { if (key_event->data == result) { ret = key_event->event; break; } } if (!key_event->data) pr_info("Unknown hotkey 0x%.2x/0x%.2x (handle 0x%.2x)\n", event, result, handle); return ret; } /* * ACPI callbacks */ enum event_types { HOTKEY = 1, KILLSWITCH, GFX_SWITCH }; static void sony_nc_notify(struct acpi_device *device, u32 event) { u32 real_ev = event; u8 ev_type = 0; dprintk("sony_nc_notify, event: 0x%.2x\n", event); if (event >= 0x90) { unsigned int result = 0; unsigned int arg = 0; unsigned int handle = 0; unsigned int offset = event - 0x90; if (offset >= ARRAY_SIZE(handles->cap)) { pr_err("Event 0x%x outside of capabilities list\n", event); return; } handle = handles->cap[offset]; /* list of handles known for generating events */ switch (handle) { /* hotkey event */ case 0x0100: case 0x0127: ev_type = HOTKEY; real_ev = sony_nc_hotkeys_decode(event, handle); if (real_ev > 0) sony_laptop_report_input_event(real_ev); else /* restore the original event for reporting */ real_ev = event; break; /* wlan switch */ case 0x0124: case 0x0135: /* events on this handle are reported when the * switch changes position or for battery * events. We'll notify both of them but only * update the rfkill device status when the * switch is moved. */ ev_type = KILLSWITCH; sony_call_snc_handle(handle, 0x0100, &result); real_ev = result & 0x03; /* hw switch event */ if (real_ev == 1) sony_nc_rfkill_update(); break; case 0x0128: case 0x0146: /* Hybrid GFX switching */ sony_call_snc_handle(handle, 0x0000, &result); dprintk("GFX switch event received (reason: %s)\n", (result == 0x1) ? "switch change" : (result == 0x2) ? "output switch" : (result == 0x3) ? "output switch" : ""); ev_type = GFX_SWITCH; real_ev = __sony_nc_gfx_switch_status_get(); break; default: dprintk("Unknown event 0x%x for handle 0x%x\n", event, handle); break; } /* clear the event (and the event reason when present) */ arg = 1 << offset; sony_nc_int_call(sony_nc_acpi_handle, "SN05", &arg, &result); } else { /* old style event */ ev_type = HOTKEY; sony_laptop_report_input_event(real_ev); } acpi_bus_generate_proc_event(sony_nc_acpi_device, ev_type, real_ev); acpi_bus_generate_netlink_event(sony_nc_acpi_device->pnp.device_class, dev_name(&sony_nc_acpi_device->dev), ev_type, real_ev); } static acpi_status sony_walk_callback(acpi_handle handle, u32 level, void *context, void **return_value) { struct acpi_device_info *info; if (ACPI_SUCCESS(acpi_get_object_info(handle, &info))) { pr_warn("method: name: %4.4s, args %X\n", (char *)&info->name, info->param_count); kfree(info); } return AE_OK; } /* * ACPI device */ static void sony_nc_function_setup(struct acpi_device *device, struct platform_device *pf_device) { unsigned int i, result, bitmask, arg; if (!handles) return; /* setup found handles here */ for (i = 0; i < ARRAY_SIZE(handles->cap); i++) { unsigned int handle = handles->cap[i]; if (!handle) continue; dprintk("setting up handle 0x%.4x\n", handle); switch (handle) { case 0x0100: case 0x0101: case 0x0127: /* setup hotkeys */ sony_call_snc_handle(handle, 0, &result); break; case 0x0102: /* setup hotkeys */ sony_call_snc_handle(handle, 0x100, &result); break; case 0x0105: case 0x0148: /* touchpad enable/disable */ result = sony_nc_touchpad_setup(pf_device, handle); if (result) pr_err("couldn't set up touchpad control function (%d)\n", result); break; case 0x0115: case 0x0136: case 0x013f: result = sony_nc_battery_care_setup(pf_device, handle); if (result) pr_err("couldn't set up battery care function (%d)\n", result); break; case 0x0119: result = sony_nc_lid_resume_setup(pf_device); if (result) pr_err("couldn't set up lid resume function (%d)\n", result); break; case 0x0122: result = sony_nc_thermal_setup(pf_device); if (result) pr_err("couldn't set up thermal profile function (%d)\n", result); break; case 0x0128: case 0x0146: result = sony_nc_gfx_switch_setup(pf_device, handle); if (result) pr_err("couldn't set up GFX Switch status (%d)\n", result); break; case 0x0131: result = sony_nc_highspeed_charging_setup(pf_device); if (result) pr_err("couldn't set up high speed charging function (%d)\n", result); break; case 0x0124: case 0x0135: result = sony_nc_rfkill_setup(device, handle); if (result) pr_err("couldn't set up rfkill support (%d)\n", result); break; case 0x0137: case 0x0143: case 0x014b: case 0x014c: result = sony_nc_kbd_backlight_setup(pf_device, handle); if (result) pr_err("couldn't set up keyboard backlight function (%d)\n", result); break; default: continue; } } /* Enable all events */ arg = 0x10; if (!sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, &bitmask)) sony_nc_int_call(sony_nc_acpi_handle, "SN02", &bitmask, &result); } static void sony_nc_function_cleanup(struct platform_device *pd) { unsigned int i, result, bitmask, handle; /* get enabled events and disable them */ sony_nc_int_call(sony_nc_acpi_handle, "SN01", NULL, &bitmask); sony_nc_int_call(sony_nc_acpi_handle, "SN03", &bitmask, &result); /* cleanup handles here */ for (i = 0; i < ARRAY_SIZE(handles->cap); i++) { handle = handles->cap[i]; if (!handle) continue; switch (handle) { case 0x0105: case 0x0148: sony_nc_touchpad_cleanup(pd); break; case 0x0115: case 0x0136: case 0x013f: sony_nc_battery_care_cleanup(pd); break; case 0x0119: sony_nc_lid_resume_cleanup(pd); break; case 0x0122: sony_nc_thermal_cleanup(pd); break; case 0x0128: case 0x0146: sony_nc_gfx_switch_cleanup(pd); break; case 0x0131: sony_nc_highspeed_charging_cleanup(pd); break; case 0x0124: case 0x0135: sony_nc_rfkill_cleanup(); break; case 0x0137: case 0x0143: case 0x014b: case 0x014c: sony_nc_kbd_backlight_cleanup(pd); break; default: continue; } } /* finally cleanup the handles list */ sony_nc_handles_cleanup(pd); } #ifdef CONFIG_PM_SLEEP static void sony_nc_function_resume(void) { unsigned int i, result, bitmask, arg; dprintk("Resuming SNC device\n"); for (i = 0; i < ARRAY_SIZE(handles->cap); i++) { unsigned int handle = handles->cap[i]; if (!handle) continue; switch (handle) { case 0x0100: case 0x0101: case 0x0127: /* re-enable hotkeys */ sony_call_snc_handle(handle, 0, &result); break; case 0x0102: /* re-enable hotkeys */ sony_call_snc_handle(handle, 0x100, &result); break; case 0x0122: sony_nc_thermal_resume(); break; case 0x0124: case 0x0135: sony_nc_rfkill_update(); break; case 0x0137: case 0x0143: case 0x014b: case 0x014c: sony_nc_kbd_backlight_resume(); break; default: continue; } } /* Enable all events */ arg = 0x10; if (!sony_nc_int_call(sony_nc_acpi_handle, "SN00", &arg, &bitmask)) sony_nc_int_call(sony_nc_acpi_handle, "SN02", &bitmask, &result); } static int sony_nc_resume(struct device *dev) { struct sony_nc_value *item; acpi_handle handle; for (item = sony_nc_values; item->name; item++) { int ret; if (!item->valid) continue; ret = sony_nc_int_call(sony_nc_acpi_handle, *item->acpiset, &item->value, NULL); if (ret < 0) { pr_err("%s: %d\n", __func__, ret); break; } } if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON", &handle))) { int arg = 1; if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL)) dprintk("ECON Method failed\n"); } if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00", &handle))) sony_nc_function_resume(); return 0; } #endif static SIMPLE_DEV_PM_OPS(sony_nc_pm, NULL, sony_nc_resume); static void sony_nc_rfkill_cleanup(void) { int i; for (i = 0; i < N_SONY_RFKILL; i++) { if (sony_rfkill_devices[i]) { rfkill_unregister(sony_rfkill_devices[i]); rfkill_destroy(sony_rfkill_devices[i]); } } } static int sony_nc_rfkill_set(void *data, bool blocked) { int result; int argument = sony_rfkill_address[(long) data] + 0x100; if (!blocked) argument |= 0x070000; return sony_call_snc_handle(sony_rfkill_handle, argument, &result); } static const struct rfkill_ops sony_rfkill_ops = { .set_block = sony_nc_rfkill_set, }; static int sony_nc_setup_rfkill(struct acpi_device *device, enum sony_nc_rfkill nc_type) { int err = 0; struct rfkill *rfk; enum rfkill_type type; const char *name; int result; bool hwblock, swblock; switch (nc_type) { case SONY_WIFI: type = RFKILL_TYPE_WLAN; name = "sony-wifi"; break; case SONY_BLUETOOTH: type = RFKILL_TYPE_BLUETOOTH; name = "sony-bluetooth"; break; case SONY_WWAN: type = RFKILL_TYPE_WWAN; name = "sony-wwan"; break; case SONY_WIMAX: type = RFKILL_TYPE_WIMAX; name = "sony-wimax"; break; default: return -EINVAL; } rfk = rfkill_alloc(name, &device->dev, type, &sony_rfkill_ops, (void *)nc_type); if (!rfk) return -ENOMEM; if (sony_call_snc_handle(sony_rfkill_handle, 0x200, &result) < 0) { rfkill_destroy(rfk); return -1; } hwblock = !(result & 0x1); if (sony_call_snc_handle(sony_rfkill_handle, sony_rfkill_address[nc_type], &result) < 0) { rfkill_destroy(rfk); return -1; } swblock = !(result & 0x2); rfkill_init_sw_state(rfk, swblock); rfkill_set_hw_state(rfk, hwblock); err = rfkill_register(rfk); if (err) { rfkill_destroy(rfk); return err; } sony_rfkill_devices[nc_type] = rfk; return err; } static void sony_nc_rfkill_update(void) { enum sony_nc_rfkill i; int result; bool hwblock; sony_call_snc_handle(sony_rfkill_handle, 0x200, &result); hwblock = !(result & 0x1); for (i = 0; i < N_SONY_RFKILL; i++) { int argument = sony_rfkill_address[i]; if (!sony_rfkill_devices[i]) continue; if (hwblock) { if (rfkill_set_hw_state(sony_rfkill_devices[i], true)) { /* we already know we're blocked */ } continue; } sony_call_snc_handle(sony_rfkill_handle, argument, &result); rfkill_set_states(sony_rfkill_devices[i], !(result & 0x2), false); } } static int sony_nc_rfkill_setup(struct acpi_device *device, unsigned int handle) { u64 offset; int i; unsigned char buffer[32] = { 0 }; offset = sony_find_snc_handle(handle); sony_rfkill_handle = handle; i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer, 32); if (i < 0) return i; /* The buffer is filled with magic numbers describing the devices * available, 0xff terminates the enumeration. * Known codes: * 0x00 WLAN * 0x10 BLUETOOTH * 0x20 WWAN GPRS-EDGE * 0x21 WWAN HSDPA * 0x22 WWAN EV-DO * 0x23 WWAN GPS * 0x25 Gobi WWAN no GPS * 0x26 Gobi WWAN + GPS * 0x28 Gobi WWAN no GPS * 0x29 Gobi WWAN + GPS * 0x30 WIMAX * 0x50 Gobi WWAN no GPS * 0x51 Gobi WWAN + GPS * 0x70 no SIM card slot * 0x71 SIM card slot */ for (i = 0; i < ARRAY_SIZE(buffer); i++) { if (buffer[i] == 0xff) break; dprintk("Radio devices, found 0x%.2x\n", buffer[i]); if (buffer[i] == 0 && !sony_rfkill_devices[SONY_WIFI]) sony_nc_setup_rfkill(device, SONY_WIFI); if (buffer[i] == 0x10 && !sony_rfkill_devices[SONY_BLUETOOTH]) sony_nc_setup_rfkill(device, SONY_BLUETOOTH); if (((0xf0 & buffer[i]) == 0x20 || (0xf0 & buffer[i]) == 0x50) && !sony_rfkill_devices[SONY_WWAN]) sony_nc_setup_rfkill(device, SONY_WWAN); if (buffer[i] == 0x30 && !sony_rfkill_devices[SONY_WIMAX]) sony_nc_setup_rfkill(device, SONY_WIMAX); } return 0; } /* Keyboard backlight feature */ struct kbd_backlight { unsigned int handle; unsigned int base; unsigned int mode; unsigned int timeout; struct device_attribute mode_attr; struct device_attribute timeout_attr; }; static struct kbd_backlight *kbdbl_ctl; static ssize_t __sony_nc_kbd_backlight_mode_set(u8 value) { int result; if (value > 1) return -EINVAL; if (sony_call_snc_handle(kbdbl_ctl->handle, (value << 0x10) | (kbdbl_ctl->base), &result)) return -EIO; /* Try to turn the light on/off immediately */ sony_call_snc_handle(kbdbl_ctl->handle, (value << 0x10) | (kbdbl_ctl->base + 0x100), &result); kbdbl_ctl->mode = value; return 0; } static ssize_t sony_nc_kbd_backlight_mode_store(struct device *dev, struct device_attribute *attr, const char *buffer, size_t count) { int ret = 0; unsigned long value; if (count > 31) return -EINVAL; if (kstrtoul(buffer, 10, &value)) return -EINVAL; ret = __sony_nc_kbd_backlight_mode_set(value); if (ret < 0) return ret; return count; } static ssize_t sony_nc_kbd_backlight_mode_show(struct device *dev, struct device_attribute *attr, char *buffer) { ssize_t count = 0; count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->mode); return count; } static int __sony_nc_kbd_backlight_timeout_set(u8 value) { int result; if (value > 3) return -EINVAL; if (sony_call_snc_handle(kbdbl_ctl->handle, (value << 0x10) | (kbdbl_ctl->base + 0x200), &result)) return -EIO; kbdbl_ctl->timeout = value; return 0; } static ssize_t sony_nc_kbd_backlight_timeout_store(struct device *dev, struct device_attribute *attr, const char *buffer, size_t count) { int ret = 0; unsigned long value; if (count > 31) return -EINVAL; if (kstrtoul(buffer, 10, &value)) return -EINVAL; ret = __sony_nc_kbd_backlight_timeout_set(value); if (ret < 0) return ret; return count; } static ssize_t sony_nc_kbd_backlight_timeout_show(struct device *dev, struct device_attribute *attr, char *buffer) { ssize_t count = 0; count = snprintf(buffer, PAGE_SIZE, "%d\n", kbdbl_ctl->timeout); return count; } static int sony_nc_kbd_backlight_setup(struct platform_device *pd, unsigned int handle) { int result; int ret = 0; /* verify the kbd backlight presence, these handles are not used for * keyboard backlight only */ ret = sony_call_snc_handle(handle, handle == 0x0137 ? 0x0B00 : 0x0100, &result); if (ret) return ret; if ((handle == 0x0137 && !(result & 0x02)) || !(result & 0x01)) { dprintk("no backlight keyboard found\n"); return 0; } kbdbl_ctl = kzalloc(sizeof(*kbdbl_ctl), GFP_KERNEL); if (!kbdbl_ctl) return -ENOMEM; kbdbl_ctl->handle = handle; if (handle == 0x0137) kbdbl_ctl->base = 0x0C00; else kbdbl_ctl->base = 0x4000; sysfs_attr_init(&kbdbl_ctl->mode_attr.attr); kbdbl_ctl->mode_attr.attr.name = "kbd_backlight"; kbdbl_ctl->mode_attr.attr.mode = S_IRUGO | S_IWUSR; kbdbl_ctl->mode_attr.show = sony_nc_kbd_backlight_mode_show; kbdbl_ctl->mode_attr.store = sony_nc_kbd_backlight_mode_store; sysfs_attr_init(&kbdbl_ctl->timeout_attr.attr); kbdbl_ctl->timeout_attr.attr.name = "kbd_backlight_timeout"; kbdbl_ctl->timeout_attr.attr.mode = S_IRUGO | S_IWUSR; kbdbl_ctl->timeout_attr.show = sony_nc_kbd_backlight_timeout_show; kbdbl_ctl->timeout_attr.store = sony_nc_kbd_backlight_timeout_store; ret = device_create_file(&pd->dev, &kbdbl_ctl->mode_attr); if (ret) goto outkzalloc; ret = device_create_file(&pd->dev, &kbdbl_ctl->timeout_attr); if (ret) goto outmode; __sony_nc_kbd_backlight_mode_set(kbd_backlight); __sony_nc_kbd_backlight_timeout_set(kbd_backlight_timeout); return 0; outmode: device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr); outkzalloc: kfree(kbdbl_ctl); kbdbl_ctl = NULL; return ret; } static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd) { if (kbdbl_ctl) { int result; device_remove_file(&pd->dev, &kbdbl_ctl->mode_attr); device_remove_file(&pd->dev, &kbdbl_ctl->timeout_attr); /* restore the default hw behaviour */ sony_call_snc_handle(kbdbl_ctl->handle, kbdbl_ctl->base | 0x10000, &result); sony_call_snc_handle(kbdbl_ctl->handle, kbdbl_ctl->base + 0x200, &result); kfree(kbdbl_ctl); kbdbl_ctl = NULL; } } #ifdef CONFIG_PM_SLEEP static void sony_nc_kbd_backlight_resume(void) { int ignore = 0; if (!kbdbl_ctl) return; if (kbdbl_ctl->mode == 0) sony_call_snc_handle(kbdbl_ctl->handle, kbdbl_ctl->base, &ignore); if (kbdbl_ctl->timeout != 0) sony_call_snc_handle(kbdbl_ctl->handle, (kbdbl_ctl->base + 0x200) | (kbdbl_ctl->timeout << 0x10), &ignore); } #endif struct battery_care_control { struct device_attribute attrs[2]; unsigned int handle; }; static struct battery_care_control *bcare_ctl; static ssize_t sony_nc_battery_care_limit_store(struct device *dev, struct device_attribute *attr, const char *buffer, size_t count) { unsigned int result, cmd; unsigned long value; if (count > 31) return -EINVAL; if (kstrtoul(buffer, 10, &value)) return -EINVAL; /* limit values (2 bits): * 00 - none * 01 - 80% * 10 - 50% * 11 - 100% * * bit 0: 0 disable BCL, 1 enable BCL * bit 1: 1 tell to store the battery limit (see bits 6,7) too * bits 2,3: reserved * bits 4,5: store the limit into the EC * bits 6,7: store the limit into the battery */ cmd = 0; if (value > 0) { if (value <= 50) cmd = 0x20; else if (value <= 80) cmd = 0x10; else if (value <= 100) cmd = 0x30; else return -EINVAL; /* * handle 0x0115 should allow storing on battery too; * handle 0x0136 same as 0x0115 + health status; * handle 0x013f, same as 0x0136 but no storing on the battery */ if (bcare_ctl->handle != 0x013f) cmd = cmd | (cmd << 2); cmd = (cmd | 0x1) << 0x10; } if (sony_call_snc_handle(bcare_ctl->handle, cmd | 0x0100, &result)) return -EIO; return count; } static ssize_t sony_nc_battery_care_limit_show(struct device *dev, struct device_attribute *attr, char *buffer) { unsigned int result, status; if (sony_call_snc_handle(bcare_ctl->handle, 0x0000, &result)) return -EIO; status = (result & 0x01) ? ((result & 0x30) >> 0x04) : 0; switch (status) { case 1: status = 80; break; case 2: status = 50; break; case 3: status = 100; break; default: status = 0; break; } return snprintf(buffer, PAGE_SIZE, "%d\n", status); } static ssize_t sony_nc_battery_care_health_show(struct device *dev, struct device_attribute *attr, char *buffer) { ssize_t count = 0; unsigned int health; if (sony_call_snc_handle(bcare_ctl->handle, 0x0200, &health)) return -EIO; count = snprintf(buffer, PAGE_SIZE, "%d\n", health & 0xff); return count; } static int sony_nc_battery_care_setup(struct platform_device *pd, unsigned int handle) { int ret = 0; bcare_ctl = kzalloc(sizeof(struct battery_care_control), GFP_KERNEL); if (!bcare_ctl) return -ENOMEM; bcare_ctl->handle = handle; sysfs_attr_init(&bcare_ctl->attrs[0].attr); bcare_ctl->attrs[0].attr.name = "battery_care_limiter"; bcare_ctl->attrs[0].attr.mode = S_IRUGO | S_IWUSR; bcare_ctl->attrs[0].show = sony_nc_battery_care_limit_show; bcare_ctl->attrs[0].store = sony_nc_battery_care_limit_store; ret = device_create_file(&pd->dev, &bcare_ctl->attrs[0]); if (ret) goto outkzalloc; /* 0x0115 is for models with no health reporting capability */ if (handle == 0x0115) return 0; sysfs_attr_init(&bcare_ctl->attrs[1].attr); bcare_ctl->attrs[1].attr.name = "battery_care_health"; bcare_ctl->attrs[1].attr.mode = S_IRUGO; bcare_ctl->attrs[1].show = sony_nc_battery_care_health_show; ret = device_create_file(&pd->dev, &bcare_ctl->attrs[1]); if (ret) goto outlimiter; return 0; outlimiter: device_remove_file(&pd->dev, &bcare_ctl->attrs[0]); outkzalloc: kfree(bcare_ctl); bcare_ctl = NULL; return ret; } static void sony_nc_battery_care_cleanup(struct platform_device *pd) { if (bcare_ctl) { device_remove_file(&pd->dev, &bcare_ctl->attrs[0]); if (bcare_ctl->handle != 0x0115) device_remove_file(&pd->dev, &bcare_ctl->attrs[1]); kfree(bcare_ctl); bcare_ctl = NULL; } } struct snc_thermal_ctrl { unsigned int mode; unsigned int profiles; struct device_attribute mode_attr; struct device_attribute profiles_attr; }; static struct snc_thermal_ctrl *th_handle; #define THM_PROFILE_MAX 3 static const char * const snc_thermal_profiles[] = { "balanced", "silent", "performance" }; static int sony_nc_thermal_mode_set(unsigned short mode) { unsigned int result; /* the thermal profile seems to be a two bit bitmask: * lsb -> silent * msb -> performance * no bit set is the normal operation and is always valid * Some vaio models only have "balanced" and "performance" */ if ((mode && !(th_handle->profiles & mode)) || mode >= THM_PROFILE_MAX) return -EINVAL; if (sony_call_snc_handle(0x0122, mode << 0x10 | 0x0200, &result)) return -EIO; th_handle->mode = mode; return 0; } static int sony_nc_thermal_mode_get(void) { unsigned int result; if (sony_call_snc_handle(0x0122, 0x0100, &result)) return -EIO; return result & 0xff; } static ssize_t sony_nc_thermal_profiles_show(struct device *dev, struct device_attribute *attr, char *buffer) { short cnt; size_t idx = 0; for (cnt = 0; cnt < THM_PROFILE_MAX; cnt++) { if (!cnt || (th_handle->profiles & cnt)) idx += snprintf(buffer + idx, PAGE_SIZE - idx, "%s ", snc_thermal_profiles[cnt]); } idx += snprintf(buffer + idx, PAGE_SIZE - idx, "\n"); return idx; } static ssize_t sony_nc_thermal_mode_store(struct device *dev, struct device_attribute *attr, const char *buffer, size_t count) { unsigned short cmd; size_t len = count; if (count == 0) return -EINVAL; /* skip the newline if present */ if (buffer[len - 1] == '\n') len--; for (cmd = 0; cmd < THM_PROFILE_MAX; cmd++) if (strncmp(buffer, snc_thermal_profiles[cmd], len) == 0) break; if (sony_nc_thermal_mode_set(cmd)) return -EIO; return count; } static ssize_t sony_nc_thermal_mode_show(struct device *dev, struct device_attribute *attr, char *buffer) { ssize_t count = 0; int mode = sony_nc_thermal_mode_get(); if (mode < 0) return mode; count = snprintf(buffer, PAGE_SIZE, "%s\n", snc_thermal_profiles[mode]); return count; } static int sony_nc_thermal_setup(struct platform_device *pd) { int ret = 0; th_handle = kzalloc(sizeof(struct snc_thermal_ctrl), GFP_KERNEL); if (!th_handle) return -ENOMEM; ret = sony_call_snc_handle(0x0122, 0x0000, &th_handle->profiles); if (ret) { pr_warn("couldn't to read the thermal profiles\n"); goto outkzalloc; } ret = sony_nc_thermal_mode_get(); if (ret < 0) { pr_warn("couldn't to read the current thermal profile"); goto outkzalloc; } th_handle->mode = ret; sysfs_attr_init(&th_handle->profiles_attr.attr); th_handle->profiles_attr.attr.name = "thermal_profiles"; th_handle->profiles_attr.attr.mode = S_IRUGO; th_handle->profiles_attr.show = sony_nc_thermal_profiles_show; sysfs_attr_init(&th_handle->mode_attr.attr); th_handle->mode_attr.attr.name = "thermal_control"; th_handle->mode_attr.attr.mode = S_IRUGO | S_IWUSR; th_handle->mode_attr.show = sony_nc_thermal_mode_show; th_handle->mode_attr.store = sony_nc_thermal_mode_store; ret = device_create_file(&pd->dev, &th_handle->profiles_attr); if (ret) goto outkzalloc; ret = device_create_file(&pd->dev, &th_handle->mode_attr); if (ret) goto outprofiles; return 0; outprofiles: device_remove_file(&pd->dev, &th_handle->profiles_attr); outkzalloc: kfree(th_handle); th_handle = NULL; return ret; } static void sony_nc_thermal_cleanup(struct platform_device *pd) { if (th_handle) { device_remove_file(&pd->dev, &th_handle->profiles_attr); device_remove_file(&pd->dev, &th_handle->mode_attr); kfree(th_handle); th_handle = NULL; } } #ifdef CONFIG_PM_SLEEP static void sony_nc_thermal_resume(void) { unsigned int status = sony_nc_thermal_mode_get(); if (status != th_handle->mode) sony_nc_thermal_mode_set(th_handle->mode); } #endif /* resume on LID open */ struct snc_lid_resume_control { struct device_attribute attrs[3]; unsigned int status; }; static struct snc_lid_resume_control *lid_ctl; static ssize_t sony_nc_lid_resume_store(struct device *dev, struct device_attribute *attr, const char *buffer, size_t count) { unsigned int result, pos; unsigned long value; if (count > 31) return -EINVAL; if (kstrtoul(buffer, 10, &value) || value > 1) return -EINVAL; /* the value we have to write to SNC is a bitmask: * +--------------+ * | S3 | S4 | S5 | * +--------------+ * 2 1 0 */ if (strcmp(attr->attr.name, "lid_resume_S3") == 0) pos = 2; else if (strcmp(attr->attr.name, "lid_resume_S4") == 0) pos = 1; else if (strcmp(attr->attr.name, "lid_resume_S5") == 0) pos = 0; else return -EINVAL; if (value) value = lid_ctl->status | (1 << pos); else value = lid_ctl->status & ~(1 << pos); if (sony_call_snc_handle(0x0119, value << 0x10 | 0x0100, &result)) return -EIO; lid_ctl->status = value; return count; } static ssize_t sony_nc_lid_resume_show(struct device *dev, struct device_attribute *attr, char *buffer) { unsigned int pos; if (strcmp(attr->attr.name, "lid_resume_S3") == 0) pos = 2; else if (strcmp(attr->attr.name, "lid_resume_S4") == 0) pos = 1; else if (strcmp(attr->attr.name, "lid_resume_S5") == 0) pos = 0; else return -EINVAL; return snprintf(buffer, PAGE_SIZE, "%d\n", (lid_ctl->status >> pos) & 0x01); } static int sony_nc_lid_resume_setup(struct platform_device *pd) { unsigned int result; int i; if (sony_call_snc_handle(0x0119, 0x0000, &result)) return -EIO; lid_ctl = kzalloc(sizeof(struct snc_lid_resume_control), GFP_KERNEL); if (!lid_ctl) return -ENOMEM; lid_ctl->status = result & 0x7; sysfs_attr_init(&lid_ctl->attrs[0].attr); lid_ctl->attrs[0].attr.name = "lid_resume_S3"; lid_ctl->attrs[0].attr.mode = S_IRUGO | S_IWUSR; lid_ctl->attrs[0].show = sony_nc_lid_resume_show; lid_ctl->attrs[0].store = sony_nc_lid_resume_store; sysfs_attr_init(&lid_ctl->attrs[1].attr); lid_ctl->attrs[1].attr.name = "lid_resume_S4"; lid_ctl->attrs[1].attr.mode = S_IRUGO | S_IWUSR; lid_ctl->attrs[1].show = sony_nc_lid_resume_show; lid_ctl->attrs[1].store = sony_nc_lid_resume_store; sysfs_attr_init(&lid_ctl->attrs[2].attr); lid_ctl->attrs[2].attr.name = "lid_resume_S5"; lid_ctl->attrs[2].attr.mode = S_IRUGO | S_IWUSR; lid_ctl->attrs[2].show = sony_nc_lid_resume_show; lid_ctl->attrs[2].store = sony_nc_lid_resume_store; for (i = 0; i < 3; i++) { result = device_create_file(&pd->dev, &lid_ctl->attrs[i]); if (result) goto liderror; } return 0; liderror: for (i--; i >= 0; i--) device_remove_file(&pd->dev, &lid_ctl->attrs[i]); kfree(lid_ctl); lid_ctl = NULL; return result; } static void sony_nc_lid_resume_cleanup(struct platform_device *pd) { int i; if (lid_ctl) { for (i = 0; i < 3; i++) device_remove_file(&pd->dev, &lid_ctl->attrs[i]); kfree(lid_ctl); lid_ctl = NULL; } } /* GFX Switch position */ enum gfx_switch { SPEED, STAMINA, AUTO }; struct snc_gfx_switch_control { struct device_attribute attr; unsigned int handle; }; static struct snc_gfx_switch_control *gfxs_ctl; /* returns 0 for speed, 1 for stamina */ static int __sony_nc_gfx_switch_status_get(void) { unsigned int result; if (sony_call_snc_handle(gfxs_ctl->handle, 0x0100, &result)) return -EIO; switch (gfxs_ctl->handle) { case 0x0146: /* 1: discrete GFX (speed) * 0: integrated GFX (stamina) */ return result & 0x1 ? SPEED : STAMINA; break; case 0x0128: /* it's a more elaborated bitmask, for now: * 2: integrated GFX (stamina) * 0: discrete GFX (speed) */ dprintk("GFX Status: 0x%x\n", result); return result & 0x80 ? AUTO : result & 0x02 ? STAMINA : SPEED; break; } return -EINVAL; } static ssize_t sony_nc_gfx_switch_status_show(struct device *dev, struct device_attribute *attr, char *buffer) { int pos = __sony_nc_gfx_switch_status_get(); if (pos < 0) return pos; return snprintf(buffer, PAGE_SIZE, "%s\n", pos ? "speed" : "stamina"); } static int sony_nc_gfx_switch_setup(struct platform_device *pd, unsigned int handle) { unsigned int result; gfxs_ctl = kzalloc(sizeof(struct snc_gfx_switch_control), GFP_KERNEL); if (!gfxs_ctl) return -ENOMEM; gfxs_ctl->handle = handle; sysfs_attr_init(&gfxs_ctl->attr.attr); gfxs_ctl->attr.attr.name = "gfx_switch_status"; gfxs_ctl->attr.attr.mode = S_IRUGO; gfxs_ctl->attr.show = sony_nc_gfx_switch_status_show; result = device_create_file(&pd->dev, &gfxs_ctl->attr); if (result) goto gfxerror; return 0; gfxerror: kfree(gfxs_ctl); gfxs_ctl = NULL; return result; } static void sony_nc_gfx_switch_cleanup(struct platform_device *pd) { if (gfxs_ctl) { device_remove_file(&pd->dev, &gfxs_ctl->attr); kfree(gfxs_ctl); gfxs_ctl = NULL; } } /* High speed charging function */ static struct device_attribute *hsc_handle; static ssize_t sony_nc_highspeed_charging_store(struct device *dev, struct device_attribute *attr, const char *buffer, size_t count) { unsigned int result; unsigned long value; if (count > 31) return -EINVAL; if (kstrtoul(buffer, 10, &value) || value > 1) return -EINVAL; if (sony_call_snc_handle(0x0131, value << 0x10 | 0x0200, &result)) return -EIO; return count; } static ssize_t sony_nc_highspeed_charging_show(struct device *dev, struct device_attribute *attr, char *buffer) { unsigned int result; if (sony_call_snc_handle(0x0131, 0x0100, &result)) return -EIO; return snprintf(buffer, PAGE_SIZE, "%d\n", result & 0x01); } static int sony_nc_highspeed_charging_setup(struct platform_device *pd) { unsigned int result; if (sony_call_snc_handle(0x0131, 0x0000, &result) || !(result & 0x01)) { /* some models advertise the handle but have no implementation * for it */ pr_info("No High Speed Charging capability found\n"); return 0; } hsc_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL); if (!hsc_handle) return -ENOMEM; sysfs_attr_init(&hsc_handle->attr); hsc_handle->attr.name = "battery_highspeed_charging"; hsc_handle->attr.mode = S_IRUGO | S_IWUSR; hsc_handle->show = sony_nc_highspeed_charging_show; hsc_handle->store = sony_nc_highspeed_charging_store; result = device_create_file(&pd->dev, hsc_handle); if (result) { kfree(hsc_handle); hsc_handle = NULL; return result; } return 0; } static void sony_nc_highspeed_charging_cleanup(struct platform_device *pd) { if (hsc_handle) { device_remove_file(&pd->dev, hsc_handle); kfree(hsc_handle); hsc_handle = NULL; } } /* Touchpad enable/disable */ struct touchpad_control { struct device_attribute attr; int handle; }; static struct touchpad_control *tp_ctl; static ssize_t sony_nc_touchpad_store(struct device *dev, struct device_attribute *attr, const char *buffer, size_t count) { unsigned int result; unsigned long value; if (count > 31) return -EINVAL; if (kstrtoul(buffer, 10, &value) || value > 1) return -EINVAL; /* sysfs: 0 disabled, 1 enabled * EC: 0 enabled, 1 disabled */ if (sony_call_snc_handle(tp_ctl->handle, (!value << 0x10) | 0x100, &result)) return -EIO; return count; } static ssize_t sony_nc_touchpad_show(struct device *dev, struct device_attribute *attr, char *buffer) { unsigned int result; if (sony_call_snc_handle(tp_ctl->handle, 0x000, &result)) return -EINVAL; return snprintf(buffer, PAGE_SIZE, "%d\n", !(result & 0x01)); } static int sony_nc_touchpad_setup(struct platform_device *pd, unsigned int handle) { int ret = 0; tp_ctl = kzalloc(sizeof(struct touchpad_control), GFP_KERNEL); if (!tp_ctl) return -ENOMEM; tp_ctl->handle = handle; sysfs_attr_init(&tp_ctl->attr.attr); tp_ctl->attr.attr.name = "touchpad"; tp_ctl->attr.attr.mode = S_IRUGO | S_IWUSR; tp_ctl->attr.show = sony_nc_touchpad_show; tp_ctl->attr.store = sony_nc_touchpad_store; ret = device_create_file(&pd->dev, &tp_ctl->attr); if (ret) { kfree(tp_ctl); tp_ctl = NULL; } return ret; } static void sony_nc_touchpad_cleanup(struct platform_device *pd) { if (tp_ctl) { device_remove_file(&pd->dev, &tp_ctl->attr); kfree(tp_ctl); tp_ctl = NULL; } } static void sony_nc_backlight_ng_read_limits(int handle, struct sony_backlight_props *props) { u64 offset; int i; int lvl_table_len = 0; u8 min = 0xff, max = 0x00; unsigned char buffer[32] = { 0 }; props->handle = handle; props->offset = 0; props->maxlvl = 0xff; offset = sony_find_snc_handle(handle); /* try to read the boundaries from ACPI tables, if we fail the above * defaults should be reasonable */ i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer, 32); if (i < 0) return; switch (handle) { case 0x012f: case 0x0137: lvl_table_len = 9; break; case 0x143: case 0x14b: case 0x14c: lvl_table_len = 16; break; } /* the buffer lists brightness levels available, brightness levels are * from position 0 to 8 in the array, other values are used by ALS * control. */ for (i = 0; i < lvl_table_len && i < ARRAY_SIZE(buffer); i++) { dprintk("Brightness level: %d\n", buffer[i]); if (!buffer[i]) break; if (buffer[i] > max) max = buffer[i]; if (buffer[i] < min) min = buffer[i]; } props->offset = min; props->maxlvl = max; dprintk("Brightness levels: min=%d max=%d\n", props->offset, props->maxlvl); } static void sony_nc_backlight_setup(void) { acpi_handle unused; int max_brightness = 0; const struct backlight_ops *ops = NULL; struct backlight_properties props; if (sony_find_snc_handle(0x12f) >= 0) { ops = &sony_backlight_ng_ops; sony_bl_props.cmd_base = 0x0100; sony_nc_backlight_ng_read_limits(0x12f, &sony_bl_props); max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset; } else if (sony_find_snc_handle(0x137) >= 0) { ops = &sony_backlight_ng_ops; sony_bl_props.cmd_base = 0x0100; sony_nc_backlight_ng_read_limits(0x137, &sony_bl_props); max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset; } else if (sony_find_snc_handle(0x143) >= 0) { ops = &sony_backlight_ng_ops; sony_bl_props.cmd_base = 0x3000; sony_nc_backlight_ng_read_limits(0x143, &sony_bl_props); max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset; } else if (sony_find_snc_handle(0x14b) >= 0) { ops = &sony_backlight_ng_ops; sony_bl_props.cmd_base = 0x3000; sony_nc_backlight_ng_read_limits(0x14b, &sony_bl_props); max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset; } else if (sony_find_snc_handle(0x14c) >= 0) { ops = &sony_backlight_ng_ops; sony_bl_props.cmd_base = 0x3000; sony_nc_backlight_ng_read_limits(0x14c, &sony_bl_props); max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset; } else if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "GBRT", &unused))) { ops = &sony_backlight_ops; max_brightness = SONY_MAX_BRIGHTNESS - 1; } else return; memset(&props, 0, sizeof(struct backlight_properties)); props.type = BACKLIGHT_PLATFORM; props.max_brightness = max_brightness; sony_bl_props.dev = backlight_device_register("sony", NULL, &sony_bl_props, ops, &props); if (IS_ERR(sony_bl_props.dev)) { pr_warn("unable to register backlight device\n"); sony_bl_props.dev = NULL; } else sony_bl_props.dev->props.brightness = ops->get_brightness(sony_bl_props.dev); } static void sony_nc_backlight_cleanup(void) { if (sony_bl_props.dev) backlight_device_unregister(sony_bl_props.dev); } static int sony_nc_add(struct acpi_device *device) { acpi_status status; int result = 0; acpi_handle handle; struct sony_nc_value *item; pr_info("%s v%s\n", SONY_NC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION); sony_nc_acpi_device = device; strcpy(acpi_device_class(device), "sony/hotkey"); sony_nc_acpi_handle = device->handle; /* read device status */ result = acpi_bus_get_status(device); /* bail IFF the above call was successful and the device is not present */ if (!result && !device->status.present) { dprintk("Device not present\n"); result = -ENODEV; goto outwalk; } result = sony_pf_add(); if (result) goto outpresent; if (debug) { status = acpi_walk_namespace(ACPI_TYPE_METHOD, sony_nc_acpi_handle, 1, sony_walk_callback, NULL, NULL, NULL); if (ACPI_FAILURE(status)) { pr_warn("unable to walk acpi resources\n"); result = -ENODEV; goto outpresent; } } result = sony_laptop_setup_input(device); if (result) { pr_err("Unable to create input devices\n"); goto outplatform; } if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "ECON", &handle))) { int arg = 1; if (sony_nc_int_call(sony_nc_acpi_handle, "ECON", &arg, NULL)) dprintk("ECON Method failed\n"); } if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "SN00", &handle))) { dprintk("Doing SNC setup\n"); /* retrieve the available handles */ result = sony_nc_handles_setup(sony_pf_device); if (!result) sony_nc_function_setup(device, sony_pf_device); } /* setup input devices and helper fifo */ if (acpi_video_backlight_support()) { pr_info("brightness ignored, must be controlled by ACPI video driver\n"); } else { sony_nc_backlight_setup(); } /* create sony_pf sysfs attributes related to the SNC device */ for (item = sony_nc_values; item->name; ++item) { if (!debug && item->debug) continue; /* find the available acpiget as described in the DSDT */ for (; item->acpiget && *item->acpiget; ++item->acpiget) { if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, *item->acpiget, &handle))) { dprintk("Found %s getter: %s\n", item->name, *item->acpiget); item->devattr.attr.mode |= S_IRUGO; break; } } /* find the available acpiset as described in the DSDT */ for (; item->acpiset && *item->acpiset; ++item->acpiset) { if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, *item->acpiset, &handle))) { dprintk("Found %s setter: %s\n", item->name, *item->acpiset); item->devattr.attr.mode |= S_IWUSR; break; } } if (item->devattr.attr.mode != 0) { result = device_create_file(&sony_pf_device->dev, &item->devattr); if (result) goto out_sysfs; } } return 0; out_sysfs: for (item = sony_nc_values; item->name; ++item) { device_remove_file(&sony_pf_device->dev, &item->devattr); } sony_nc_backlight_cleanup(); sony_nc_function_cleanup(sony_pf_device); sony_nc_handles_cleanup(sony_pf_device); outplatform: sony_laptop_remove_input(); outpresent: sony_pf_remove(); outwalk: sony_nc_rfkill_cleanup(); return result; } static int sony_nc_remove(struct acpi_device *device) { struct sony_nc_value *item; sony_nc_backlight_cleanup(); sony_nc_acpi_device = NULL; for (item = sony_nc_values; item->name; ++item) { device_remove_file(&sony_pf_device->dev, &item->devattr); } sony_nc_function_cleanup(sony_pf_device); sony_nc_handles_cleanup(sony_pf_device); sony_pf_remove(); sony_laptop_remove_input(); dprintk(SONY_NC_DRIVER_NAME " removed.\n"); return 0; } static const struct acpi_device_id sony_device_ids[] = { {SONY_NC_HID, 0}, {SONY_PIC_HID, 0}, {"", 0}, }; MODULE_DEVICE_TABLE(acpi, sony_device_ids); static const struct acpi_device_id sony_nc_device_ids[] = { {SONY_NC_HID, 0}, {"", 0}, }; static struct acpi_driver sony_nc_driver = { .name = SONY_NC_DRIVER_NAME, .class = SONY_NC_CLASS, .ids = sony_nc_device_ids, .owner = THIS_MODULE, .ops = { .add = sony_nc_add, .remove = sony_nc_remove, .notify = sony_nc_notify, }, .drv.pm = &sony_nc_pm, }; /*********** SPIC (SNY6001) Device ***********/ #define SONYPI_DEVICE_TYPE1 0x00000001 #define SONYPI_DEVICE_TYPE2 0x00000002 #define SONYPI_DEVICE_TYPE3 0x00000004 #define SONYPI_TYPE1_OFFSET 0x04 #define SONYPI_TYPE2_OFFSET 0x12 #define SONYPI_TYPE3_OFFSET 0x12 struct sony_pic_ioport { struct acpi_resource_io io1; struct acpi_resource_io io2; struct list_head list; }; struct sony_pic_irq { struct acpi_resource_irq irq; struct list_head list; }; struct sonypi_eventtypes { u8 data; unsigned long mask; struct sonypi_event *events; }; struct sony_pic_dev { struct acpi_device *acpi_dev; struct sony_pic_irq *cur_irq; struct sony_pic_ioport *cur_ioport; struct list_head interrupts; struct list_head ioports; struct mutex lock; struct sonypi_eventtypes *event_types; int (*handle_irq)(const u8, const u8); int model; u16 evport_offset; u8 camera_power; u8 bluetooth_power; u8 wwan_power; }; static struct sony_pic_dev spic_dev = { .interrupts = LIST_HEAD_INIT(spic_dev.interrupts), .ioports = LIST_HEAD_INIT(spic_dev.ioports), }; static int spic_drv_registered; /* Event masks */ #define SONYPI_JOGGER_MASK 0x00000001 #define SONYPI_CAPTURE_MASK 0x00000002 #define SONYPI_FNKEY_MASK 0x00000004 #define SONYPI_BLUETOOTH_MASK 0x00000008 #define SONYPI_PKEY_MASK 0x00000010 #define SONYPI_BACK_MASK 0x00000020 #define SONYPI_HELP_MASK 0x00000040 #define SONYPI_LID_MASK 0x00000080 #define SONYPI_ZOOM_MASK 0x00000100 #define SONYPI_THUMBPHRASE_MASK 0x00000200 #define SONYPI_MEYE_MASK 0x00000400 #define SONYPI_MEMORYSTICK_MASK 0x00000800 #define SONYPI_BATTERY_MASK 0x00001000 #define SONYPI_WIRELESS_MASK 0x00002000 struct sonypi_event { u8 data; u8 event; }; /* The set of possible button release events */ static struct sonypi_event sonypi_releaseev[] = { { 0x00, SONYPI_EVENT_ANYBUTTON_RELEASED }, { 0, 0 } }; /* The set of possible jogger events */ static struct sonypi_event sonypi_joggerev[] = { { 0x1f, SONYPI_EVENT_JOGDIAL_UP }, { 0x01, SONYPI_EVENT_JOGDIAL_DOWN }, { 0x5f, SONYPI_EVENT_JOGDIAL_UP_PRESSED }, { 0x41, SONYPI_EVENT_JOGDIAL_DOWN_PRESSED }, { 0x1e, SONYPI_EVENT_JOGDIAL_FAST_UP }, { 0x02, SONYPI_EVENT_JOGDIAL_FAST_DOWN }, { 0x5e, SONYPI_EVENT_JOGDIAL_FAST_UP_PRESSED }, { 0x42, SONYPI_EVENT_JOGDIAL_FAST_DOWN_PRESSED }, { 0x1d, SONYPI_EVENT_JOGDIAL_VFAST_UP }, { 0x03, SONYPI_EVENT_JOGDIAL_VFAST_DOWN }, { 0x5d, SONYPI_EVENT_JOGDIAL_VFAST_UP_PRESSED }, { 0x43, SONYPI_EVENT_JOGDIAL_VFAST_DOWN_PRESSED }, { 0x40, SONYPI_EVENT_JOGDIAL_PRESSED }, { 0, 0 } }; /* The set of possible capture button events */ static struct sonypi_event sonypi_captureev[] = { { 0x05, SONYPI_EVENT_CAPTURE_PARTIALPRESSED }, { 0x07, SONYPI_EVENT_CAPTURE_PRESSED }, { 0x40, SONYPI_EVENT_CAPTURE_PRESSED }, { 0x01, SONYPI_EVENT_CAPTURE_PARTIALRELEASED }, { 0, 0 } }; /* The set of possible fnkeys events */ static struct sonypi_event sonypi_fnkeyev[] = { { 0x10, SONYPI_EVENT_FNKEY_ESC }, { 0x11, SONYPI_EVENT_FNKEY_F1 }, { 0x12, SONYPI_EVENT_FNKEY_F2 }, { 0x13, SONYPI_EVENT_FNKEY_F3 }, { 0x14, SONYPI_EVENT_FNKEY_F4 }, { 0x15, SONYPI_EVENT_FNKEY_F5 }, { 0x16, SONYPI_EVENT_FNKEY_F6 }, { 0x17, SONYPI_EVENT_FNKEY_F7 }, { 0x18, SONYPI_EVENT_FNKEY_F8 }, { 0x19, SONYPI_EVENT_FNKEY_F9 }, { 0x1a, SONYPI_EVENT_FNKEY_F10 }, { 0x1b, SONYPI_EVENT_FNKEY_F11 }, { 0x1c, SONYPI_EVENT_FNKEY_F12 }, { 0x1f, SONYPI_EVENT_FNKEY_RELEASED }, { 0x21, SONYPI_EVENT_FNKEY_1 }, { 0x22, SONYPI_EVENT_FNKEY_2 }, { 0x31, SONYPI_EVENT_FNKEY_D }, { 0x32, SONYPI_EVENT_FNKEY_E }, { 0x33, SONYPI_EVENT_FNKEY_F }, { 0x34, SONYPI_EVENT_FNKEY_S }, { 0x35, SONYPI_EVENT_FNKEY_B }, { 0x36, SONYPI_EVENT_FNKEY_ONLY }, { 0, 0 } }; /* The set of possible program key events */ static struct sonypi_event sonypi_pkeyev[] = { { 0x01, SONYPI_EVENT_PKEY_P1 }, { 0x02, SONYPI_EVENT_PKEY_P2 }, { 0x04, SONYPI_EVENT_PKEY_P3 }, { 0x20, SONYPI_EVENT_PKEY_P1 }, { 0, 0 } }; /* The set of possible bluetooth events */ static struct sonypi_event sonypi_blueev[] = { { 0x55, SONYPI_EVENT_BLUETOOTH_PRESSED }, { 0x59, SONYPI_EVENT_BLUETOOTH_ON }, { 0x5a, SONYPI_EVENT_BLUETOOTH_OFF }, { 0, 0 } }; /* The set of possible wireless events */ static struct sonypi_event sonypi_wlessev[] = { { 0x59, SONYPI_EVENT_IGNORE }, { 0x5a, SONYPI_EVENT_IGNORE }, { 0, 0 } }; /* The set of possible back button events */ static struct sonypi_event sonypi_backev[] = { { 0x20, SONYPI_EVENT_BACK_PRESSED }, { 0, 0 } }; /* The set of possible help button events */ static struct sonypi_event sonypi_helpev[] = { { 0x3b, SONYPI_EVENT_HELP_PRESSED }, { 0, 0 } }; /* The set of possible lid events */ static struct sonypi_event sonypi_lidev[] = { { 0x51, SONYPI_EVENT_LID_CLOSED }, { 0x50, SONYPI_EVENT_LID_OPENED }, { 0, 0 } }; /* The set of possible zoom events */ static struct sonypi_event sonypi_zoomev[] = { { 0x39, SONYPI_EVENT_ZOOM_PRESSED }, { 0x10, SONYPI_EVENT_ZOOM_IN_PRESSED }, { 0x20, SONYPI_EVENT_ZOOM_OUT_PRESSED }, { 0x04, SONYPI_EVENT_ZOOM_PRESSED }, { 0, 0 } }; /* The set of possible thumbphrase events */ static struct sonypi_event sonypi_thumbphraseev[] = { { 0x3a, SONYPI_EVENT_THUMBPHRASE_PRESSED }, { 0, 0 } }; /* The set of possible motioneye camera events */ static struct sonypi_event sonypi_meyeev[] = { { 0x00, SONYPI_EVENT_MEYE_FACE }, { 0x01, SONYPI_EVENT_MEYE_OPPOSITE }, { 0, 0 } }; /* The set of possible memorystick events */ static struct sonypi_event sonypi_memorystickev[] = { { 0x53, SONYPI_EVENT_MEMORYSTICK_INSERT }, { 0x54, SONYPI_EVENT_MEMORYSTICK_EJECT }, { 0, 0 } }; /* The set of possible battery events */ static struct sonypi_event sonypi_batteryev[] = { { 0x20, SONYPI_EVENT_BATTERY_INSERT }, { 0x30, SONYPI_EVENT_BATTERY_REMOVE }, { 0, 0 } }; /* The set of possible volume events */ static struct sonypi_event sonypi_volumeev[] = { { 0x01, SONYPI_EVENT_VOLUME_INC_PRESSED }, { 0x02, SONYPI_EVENT_VOLUME_DEC_PRESSED }, { 0, 0 } }; /* The set of possible brightness events */ static struct sonypi_event sonypi_brightnessev[] = { { 0x80, SONYPI_EVENT_BRIGHTNESS_PRESSED }, { 0, 0 } }; static struct sonypi_eventtypes type1_events[] = { { 0, 0xffffffff, sonypi_releaseev }, { 0x70, SONYPI_MEYE_MASK, sonypi_meyeev }, { 0x30, SONYPI_LID_MASK, sonypi_lidev }, { 0x60, SONYPI_CAPTURE_MASK, sonypi_captureev }, { 0x10, SONYPI_JOGGER_MASK, sonypi_joggerev }, { 0x20, SONYPI_FNKEY_MASK, sonypi_fnkeyev }, { 0x30, SONYPI_BLUETOOTH_MASK, sonypi_blueev }, { 0x40, SONYPI_PKEY_MASK, sonypi_pkeyev }, { 0x30, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev }, { 0x40, SONYPI_BATTERY_MASK, sonypi_batteryev }, { 0 }, }; static struct sonypi_eventtypes type2_events[] = { { 0, 0xffffffff, sonypi_releaseev }, { 0x38, SONYPI_LID_MASK, sonypi_lidev }, { 0x11, SONYPI_JOGGER_MASK, sonypi_joggerev }, { 0x61, SONYPI_CAPTURE_MASK, sonypi_captureev }, { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev }, { 0x31, SONYPI_BLUETOOTH_MASK, sonypi_blueev }, { 0x08, SONYPI_PKEY_MASK, sonypi_pkeyev }, { 0x11, SONYPI_BACK_MASK, sonypi_backev }, { 0x21, SONYPI_HELP_MASK, sonypi_helpev }, { 0x21, SONYPI_ZOOM_MASK, sonypi_zoomev }, { 0x20, SONYPI_THUMBPHRASE_MASK, sonypi_thumbphraseev }, { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev }, { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev }, { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev }, { 0 }, }; static struct sonypi_eventtypes type3_events[] = { { 0, 0xffffffff, sonypi_releaseev }, { 0x21, SONYPI_FNKEY_MASK, sonypi_fnkeyev }, { 0x31, SONYPI_WIRELESS_MASK, sonypi_wlessev }, { 0x31, SONYPI_MEMORYSTICK_MASK, sonypi_memorystickev }, { 0x41, SONYPI_BATTERY_MASK, sonypi_batteryev }, { 0x31, SONYPI_PKEY_MASK, sonypi_pkeyev }, { 0x05, SONYPI_PKEY_MASK, sonypi_pkeyev }, { 0x05, SONYPI_ZOOM_MASK, sonypi_zoomev }, { 0x05, SONYPI_CAPTURE_MASK, sonypi_captureev }, { 0x05, SONYPI_PKEY_MASK, sonypi_volumeev }, { 0x05, SONYPI_PKEY_MASK, sonypi_brightnessev }, { 0 }, }; /* low level spic calls */ #define ITERATIONS_LONG 10000 #define ITERATIONS_SHORT 10 #define wait_on_command(command, iterations) { \ unsigned int n = iterations; \ while (--n && (command)) \ udelay(1); \ if (!n) \ dprintk("command failed at %s : %s (line %d)\n", \ __FILE__, __func__, __LINE__); \ } static u8 sony_pic_call1(u8 dev) { u8 v1, v2; wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG); outb(dev, spic_dev.cur_ioport->io1.minimum + 4); v1 = inb_p(spic_dev.cur_ioport->io1.minimum + 4); v2 = inb_p(spic_dev.cur_ioport->io1.minimum); dprintk("sony_pic_call1(0x%.2x): 0x%.4x\n", dev, (v2 << 8) | v1); return v2; } static u8 sony_pic_call2(u8 dev, u8 fn) { u8 v1; wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG); outb(dev, spic_dev.cur_ioport->io1.minimum + 4); wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG); outb(fn, spic_dev.cur_ioport->io1.minimum); v1 = inb_p(spic_dev.cur_ioport->io1.minimum); dprintk("sony_pic_call2(0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v1); return v1; } static u8 sony_pic_call3(u8 dev, u8 fn, u8 v) { u8 v1; wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG); outb(dev, spic_dev.cur_ioport->io1.minimum + 4); wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG); outb(fn, spic_dev.cur_ioport->io1.minimum); wait_on_command(inb_p(spic_dev.cur_ioport->io1.minimum + 4) & 2, ITERATIONS_LONG); outb(v, spic_dev.cur_ioport->io1.minimum); v1 = inb_p(spic_dev.cur_ioport->io1.minimum); dprintk("sony_pic_call3(0x%.2x - 0x%.2x - 0x%.2x): 0x%.4x\n", dev, fn, v, v1); return v1; } /* * minidrivers for SPIC models */ static int type3_handle_irq(const u8 data_mask, const u8 ev) { /* * 0x31 could mean we have to take some extra action and wait for * the next irq for some Type3 models, it will generate a new * irq and we can read new data from the device: * - 0x5c and 0x5f requires 0xA0 * - 0x61 requires 0xB3 */ if (data_mask == 0x31) { if (ev == 0x5c || ev == 0x5f) sony_pic_call1(0xA0); else if (ev == 0x61) sony_pic_call1(0xB3); return 0; } return 1; } static void sony_pic_detect_device_type(struct sony_pic_dev *dev) { struct pci_dev *pcidev; pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82371AB_3, NULL); if (pcidev) { dev->model = SONYPI_DEVICE_TYPE1; dev->evport_offset = SONYPI_TYPE1_OFFSET; dev->event_types = type1_events; goto out; } pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH6_1, NULL); if (pcidev) { dev->model = SONYPI_DEVICE_TYPE2; dev->evport_offset = SONYPI_TYPE2_OFFSET; dev->event_types = type2_events; goto out; } pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH7_1, NULL); if (pcidev) { dev->model = SONYPI_DEVICE_TYPE3; dev->handle_irq = type3_handle_irq; dev->evport_offset = SONYPI_TYPE3_OFFSET; dev->event_types = type3_events; goto out; } pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH8_4, NULL); if (pcidev) { dev->model = SONYPI_DEVICE_TYPE3; dev->handle_irq = type3_handle_irq; dev->evport_offset = SONYPI_TYPE3_OFFSET; dev->event_types = type3_events; goto out; } pcidev = pci_get_device(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH9_1, NULL); if (pcidev) { dev->model = SONYPI_DEVICE_TYPE3; dev->handle_irq = type3_handle_irq; dev->evport_offset = SONYPI_TYPE3_OFFSET; dev->event_types = type3_events; goto out; } /* default */ dev->model = SONYPI_DEVICE_TYPE2; dev->evport_offset = SONYPI_TYPE2_OFFSET; dev->event_types = type2_events; out: if (pcidev) pci_dev_put(pcidev); pr_info("detected Type%d model\n", dev->model == SONYPI_DEVICE_TYPE1 ? 1 : dev->model == SONYPI_DEVICE_TYPE2 ? 2 : 3); } /* camera tests and poweron/poweroff */ #define SONYPI_CAMERA_PICTURE 5 #define SONYPI_CAMERA_CONTROL 0x10 #define SONYPI_CAMERA_BRIGHTNESS 0 #define SONYPI_CAMERA_CONTRAST 1 #define SONYPI_CAMERA_HUE 2 #define SONYPI_CAMERA_COLOR 3 #define SONYPI_CAMERA_SHARPNESS 4 #define SONYPI_CAMERA_EXPOSURE_MASK 0xC #define SONYPI_CAMERA_WHITE_BALANCE_MASK 0x3 #define SONYPI_CAMERA_PICTURE_MODE_MASK 0x30 #define SONYPI_CAMERA_MUTE_MASK 0x40 /* the rest don't need a loop until not 0xff */ #define SONYPI_CAMERA_AGC 6 #define SONYPI_CAMERA_AGC_MASK 0x30 #define SONYPI_CAMERA_SHUTTER_MASK 0x7 #define SONYPI_CAMERA_SHUTDOWN_REQUEST 7 #define SONYPI_CAMERA_CONTROL 0x10 #define SONYPI_CAMERA_STATUS 7 #define SONYPI_CAMERA_STATUS_READY 0x2 #define SONYPI_CAMERA_STATUS_POSITION 0x4 #define SONYPI_DIRECTION_BACKWARDS 0x4 #define SONYPI_CAMERA_REVISION 8 #define SONYPI_CAMERA_ROMVERSION 9 static int __sony_pic_camera_ready(void) { u8 v; v = sony_pic_call2(0x8f, SONYPI_CAMERA_STATUS); return (v != 0xff && (v & SONYPI_CAMERA_STATUS_READY)); } static int __sony_pic_camera_off(void) { if (!camera) { pr_warn("camera control not enabled\n"); return -ENODEV; } wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, SONYPI_CAMERA_MUTE_MASK), ITERATIONS_SHORT); if (spic_dev.camera_power) { sony_pic_call2(0x91, 0); spic_dev.camera_power = 0; } return 0; } static int __sony_pic_camera_on(void) { int i, j, x; if (!camera) { pr_warn("camera control not enabled\n"); return -ENODEV; } if (spic_dev.camera_power) return 0; for (j = 5; j > 0; j--) { for (x = 0; x < 100 && sony_pic_call2(0x91, 0x1); x++) msleep(10); sony_pic_call1(0x93); for (i = 400; i > 0; i--) { if (__sony_pic_camera_ready()) break; msleep(10); } if (i) break; } if (j == 0) { pr_warn("failed to power on camera\n"); return -ENODEV; } wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTROL, 0x5a), ITERATIONS_SHORT); spic_dev.camera_power = 1; return 0; } /* External camera command (exported to the motion eye v4l driver) */ int sony_pic_camera_command(int command, u8 value) { if (!camera) return -EIO; mutex_lock(&spic_dev.lock); switch (command) { case SONY_PIC_COMMAND_SETCAMERA: if (value) __sony_pic_camera_on(); else __sony_pic_camera_off(); break; case SONY_PIC_COMMAND_SETCAMERABRIGHTNESS: wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_BRIGHTNESS, value), ITERATIONS_SHORT); break; case SONY_PIC_COMMAND_SETCAMERACONTRAST: wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_CONTRAST, value), ITERATIONS_SHORT); break; case SONY_PIC_COMMAND_SETCAMERAHUE: wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_HUE, value), ITERATIONS_SHORT); break; case SONY_PIC_COMMAND_SETCAMERACOLOR: wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_COLOR, value), ITERATIONS_SHORT); break; case SONY_PIC_COMMAND_SETCAMERASHARPNESS: wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_SHARPNESS, value), ITERATIONS_SHORT); break; case SONY_PIC_COMMAND_SETCAMERAPICTURE: wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_PICTURE, value), ITERATIONS_SHORT); break; case SONY_PIC_COMMAND_SETCAMERAAGC: wait_on_command(sony_pic_call3(0x90, SONYPI_CAMERA_AGC, value), ITERATIONS_SHORT); break; default: pr_err("sony_pic_camera_command invalid: %d\n", command); break; } mutex_unlock(&spic_dev.lock); return 0; } EXPORT_SYMBOL(sony_pic_camera_command); /* gprs/edge modem (SZ460N and SZ210P), thanks to Joshua Wise */ static void __sony_pic_set_wwanpower(u8 state) { state = !!state; if (spic_dev.wwan_power == state) return; sony_pic_call2(0xB0, state); sony_pic_call1(0x82); spic_dev.wwan_power = state; } static ssize_t sony_pic_wwanpower_store(struct device *dev, struct device_attribute *attr, const char *buffer, size_t count) { unsigned long value; if (count > 31) return -EINVAL; if (kstrtoul(buffer, 10, &value)) return -EINVAL; mutex_lock(&spic_dev.lock); __sony_pic_set_wwanpower(value); mutex_unlock(&spic_dev.lock); return count; } static ssize_t sony_pic_wwanpower_show(struct device *dev, struct device_attribute *attr, char *buffer) { ssize_t count; mutex_lock(&spic_dev.lock); count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.wwan_power); mutex_unlock(&spic_dev.lock); return count; } /* bluetooth subsystem power state */ static void __sony_pic_set_bluetoothpower(u8 state) { state = !!state; if (spic_dev.bluetooth_power == state) return; sony_pic_call2(0x96, state); sony_pic_call1(0x82); spic_dev.bluetooth_power = state; } static ssize_t sony_pic_bluetoothpower_store(struct device *dev, struct device_attribute *attr, const char *buffer, size_t count) { unsigned long value; if (count > 31) return -EINVAL; if (kstrtoul(buffer, 10, &value)) return -EINVAL; mutex_lock(&spic_dev.lock); __sony_pic_set_bluetoothpower(value); mutex_unlock(&spic_dev.lock); return count; } static ssize_t sony_pic_bluetoothpower_show(struct device *dev, struct device_attribute *attr, char *buffer) { ssize_t count = 0; mutex_lock(&spic_dev.lock); count = snprintf(buffer, PAGE_SIZE, "%d\n", spic_dev.bluetooth_power); mutex_unlock(&spic_dev.lock); return count; } /* fan speed */ /* FAN0 information (reverse engineered from ACPI tables) */ #define SONY_PIC_FAN0_STATUS 0x93 static int sony_pic_set_fanspeed(unsigned long value) { return ec_write(SONY_PIC_FAN0_STATUS, value); } static int sony_pic_get_fanspeed(u8 *value) { return ec_read(SONY_PIC_FAN0_STATUS, value); } static ssize_t sony_pic_fanspeed_store(struct device *dev, struct device_attribute *attr, const char *buffer, size_t count) { unsigned long value; if (count > 31) return -EINVAL; if (kstrtoul(buffer, 10, &value)) return -EINVAL; if (sony_pic_set_fanspeed(value)) return -EIO; return count; } static ssize_t sony_pic_fanspeed_show(struct device *dev, struct device_attribute *attr, char *buffer) { u8 value = 0; if (sony_pic_get_fanspeed(&value)) return -EIO; return snprintf(buffer, PAGE_SIZE, "%d\n", value); } #define SPIC_ATTR(_name, _mode) \ struct device_attribute spic_attr_##_name = __ATTR(_name, \ _mode, sony_pic_## _name ##_show, \ sony_pic_## _name ##_store) static SPIC_ATTR(bluetoothpower, 0644); static SPIC_ATTR(wwanpower, 0644); static SPIC_ATTR(fanspeed, 0644); static struct attribute *spic_attributes[] = { &spic_attr_bluetoothpower.attr, &spic_attr_wwanpower.attr, &spic_attr_fanspeed.attr, NULL }; static struct attribute_group spic_attribute_group = { .attrs = spic_attributes }; /******** SONYPI compatibility **********/ #ifdef CONFIG_SONYPI_COMPAT /* battery / brightness / temperature addresses */ #define SONYPI_BAT_FLAGS 0x81 #define SONYPI_LCD_LIGHT 0x96 #define SONYPI_BAT1_PCTRM 0xa0 #define SONYPI_BAT1_LEFT 0xa2 #define SONYPI_BAT1_MAXRT 0xa4 #define SONYPI_BAT2_PCTRM 0xa8 #define SONYPI_BAT2_LEFT 0xaa #define SONYPI_BAT2_MAXRT 0xac #define SONYPI_BAT1_MAXTK 0xb0 #define SONYPI_BAT1_FULL 0xb2 #define SONYPI_BAT2_MAXTK 0xb8 #define SONYPI_BAT2_FULL 0xba #define SONYPI_TEMP_STATUS 0xC1 struct sonypi_compat_s { struct fasync_struct *fifo_async; struct kfifo fifo; spinlock_t fifo_lock; wait_queue_head_t fifo_proc_list; atomic_t open_count; }; static struct sonypi_compat_s sonypi_compat = { .open_count = ATOMIC_INIT(0), }; static int sonypi_misc_fasync(int fd, struct file *filp, int on) { return fasync_helper(fd, filp, on, &sonypi_compat.fifo_async); } static int sonypi_misc_release(struct inode *inode, struct file *file) { atomic_dec(&sonypi_compat.open_count); return 0; } static int sonypi_misc_open(struct inode *inode, struct file *file) { /* Flush input queue on first open */ unsigned long flags; spin_lock_irqsave(&sonypi_compat.fifo_lock, flags); if (atomic_inc_return(&sonypi_compat.open_count) == 1) kfifo_reset(&sonypi_compat.fifo); spin_unlock_irqrestore(&sonypi_compat.fifo_lock, flags); return 0; } static ssize_t sonypi_misc_read(struct file *file, char __user *buf, size_t count, loff_t *pos) { ssize_t ret; unsigned char c; if ((kfifo_len(&sonypi_compat.fifo) == 0) && (file->f_flags & O_NONBLOCK)) return -EAGAIN; ret = wait_event_interruptible(sonypi_compat.fifo_proc_list, kfifo_len(&sonypi_compat.fifo) != 0); if (ret) return ret; while (ret < count && (kfifo_out_locked(&sonypi_compat.fifo, &c, sizeof(c), &sonypi_compat.fifo_lock) == sizeof(c))) { if (put_user(c, buf++)) return -EFAULT; ret++; } if (ret > 0) { struct inode *inode = file_inode(file); inode->i_atime = current_fs_time(inode->i_sb); } return ret; } static unsigned int sonypi_misc_poll(struct file *file, poll_table *wait) { poll_wait(file, &sonypi_compat.fifo_proc_list, wait); if (kfifo_len(&sonypi_compat.fifo)) return POLLIN | POLLRDNORM; return 0; } static int ec_read16(u8 addr, u16 *value) { u8 val_lb, val_hb; if (ec_read(addr, &val_lb)) return -1; if (ec_read(addr + 1, &val_hb)) return -1; *value = val_lb | (val_hb << 8); return 0; } static long sonypi_misc_ioctl(struct file *fp, unsigned int cmd, unsigned long arg) { int ret = 0; void __user *argp = (void __user *)arg; u8 val8; u16 val16; int value; mutex_lock(&spic_dev.lock); switch (cmd) { case SONYPI_IOCGBRT: if (sony_bl_props.dev == NULL) { ret = -EIO; break; } if (sony_nc_int_call(sony_nc_acpi_handle, "GBRT", NULL, &value)) { ret = -EIO; break; } val8 = ((value & 0xff) - 1) << 5; if (copy_to_user(argp, &val8, sizeof(val8))) ret = -EFAULT; break; case SONYPI_IOCSBRT: if (sony_bl_props.dev == NULL) { ret = -EIO; break; } if (copy_from_user(&val8, argp, sizeof(val8))) { ret = -EFAULT; break; } value = (val8 >> 5) + 1; if (sony_nc_int_call(sony_nc_acpi_handle, "SBRT", &value, NULL)) { ret = -EIO; break; } /* sync the backlight device status */ sony_bl_props.dev->props.brightness = sony_backlight_get_brightness(sony_bl_props.dev); break; case SONYPI_IOCGBAT1CAP: if (ec_read16(SONYPI_BAT1_FULL, &val16)) { ret = -EIO; break; } if (copy_to_user(argp, &val16, sizeof(val16))) ret = -EFAULT; break; case SONYPI_IOCGBAT1REM: if (ec_read16(SONYPI_BAT1_LEFT, &val16)) { ret = -EIO; break; } if (copy_to_user(argp, &val16, sizeof(val16))) ret = -EFAULT; break; case SONYPI_IOCGBAT2CAP: if (ec_read16(SONYPI_BAT2_FULL, &val16)) { ret = -EIO; break; } if (copy_to_user(argp, &val16, sizeof(val16))) ret = -EFAULT; break; case SONYPI_IOCGBAT2REM: if (ec_read16(SONYPI_BAT2_LEFT, &val16)) { ret = -EIO; break; } if (copy_to_user(argp, &val16, sizeof(val16))) ret = -EFAULT; break; case SONYPI_IOCGBATFLAGS: if (ec_read(SONYPI_BAT_FLAGS, &val8)) { ret = -EIO; break; } val8 &= 0x07; if (copy_to_user(argp, &val8, sizeof(val8))) ret = -EFAULT; break; case SONYPI_IOCGBLUE: val8 = spic_dev.bluetooth_power; if (copy_to_user(argp, &val8, sizeof(val8))) ret = -EFAULT; break; case SONYPI_IOCSBLUE: if (copy_from_user(&val8, argp, sizeof(val8))) { ret = -EFAULT; break; } __sony_pic_set_bluetoothpower(val8); break; /* FAN Controls */ case SONYPI_IOCGFAN: if (sony_pic_get_fanspeed(&val8)) { ret = -EIO; break; } if (copy_to_user(argp, &val8, sizeof(val8))) ret = -EFAULT; break; case SONYPI_IOCSFAN: if (copy_from_user(&val8, argp, sizeof(val8))) { ret = -EFAULT; break; } if (sony_pic_set_fanspeed(val8)) ret = -EIO; break; /* GET Temperature (useful under APM) */ case SONYPI_IOCGTEMP: if (ec_read(SONYPI_TEMP_STATUS, &val8)) { ret = -EIO; break; } if (copy_to_user(argp, &val8, sizeof(val8))) ret = -EFAULT; break; default: ret = -EINVAL; } mutex_unlock(&spic_dev.lock); return ret; } static const struct file_operations sonypi_misc_fops = { .owner = THIS_MODULE, .read = sonypi_misc_read, .poll = sonypi_misc_poll, .open = sonypi_misc_open, .release = sonypi_misc_release, .fasync = sonypi_misc_fasync, .unlocked_ioctl = sonypi_misc_ioctl, .llseek = noop_llseek, }; static struct miscdevice sonypi_misc_device = { .minor = MISC_DYNAMIC_MINOR, .name = "sonypi", .fops = &sonypi_misc_fops, }; static void sonypi_compat_report_event(u8 event) { kfifo_in_locked(&sonypi_compat.fifo, (unsigned char *)&event, sizeof(event), &sonypi_compat.fifo_lock); kill_fasync(&sonypi_compat.fifo_async, SIGIO, POLL_IN); wake_up_interruptible(&sonypi_compat.fifo_proc_list); } static int sonypi_compat_init(void) { int error; spin_lock_init(&sonypi_compat.fifo_lock); error = kfifo_alloc(&sonypi_compat.fifo, SONY_LAPTOP_BUF_SIZE, GFP_KERNEL); if (error) { pr_err("kfifo_alloc failed\n"); return error; } init_waitqueue_head(&sonypi_compat.fifo_proc_list); if (minor != -1) sonypi_misc_device.minor = minor; error = misc_register(&sonypi_misc_device); if (error) { pr_err("misc_register failed\n"); goto err_free_kfifo; } if (minor == -1) pr_info("device allocated minor is %d\n", sonypi_misc_device.minor); return 0; err_free_kfifo: kfifo_free(&sonypi_compat.fifo); return error; } static void sonypi_compat_exit(void) { misc_deregister(&sonypi_misc_device); kfifo_free(&sonypi_compat.fifo); } #else static int sonypi_compat_init(void) { return 0; } static void sonypi_compat_exit(void) { } static void sonypi_compat_report_event(u8 event) { } #endif /* CONFIG_SONYPI_COMPAT */ /* * ACPI callbacks */ static acpi_status sony_pic_read_possible_resource(struct acpi_resource *resource, void *context) { u32 i; struct sony_pic_dev *dev = (struct sony_pic_dev *)context; switch (resource->type) { case ACPI_RESOURCE_TYPE_START_DEPENDENT: { /* start IO enumeration */ struct sony_pic_ioport *ioport = kzalloc(sizeof(*ioport), GFP_KERNEL); if (!ioport) return AE_ERROR; list_add(&ioport->list, &dev->ioports); return AE_OK; } case ACPI_RESOURCE_TYPE_END_DEPENDENT: /* end IO enumeration */ return AE_OK; case ACPI_RESOURCE_TYPE_IRQ: { struct acpi_resource_irq *p = &resource->data.irq; struct sony_pic_irq *interrupt = NULL; if (!p || !p->interrupt_count) { /* * IRQ descriptors may have no IRQ# bits set, * particularly those those w/ _STA disabled */ dprintk("Blank IRQ resource\n"); return AE_OK; } for (i = 0; i < p->interrupt_count; i++) { if (!p->interrupts[i]) { pr_warn("Invalid IRQ %d\n", p->interrupts[i]); continue; } interrupt = kzalloc(sizeof(*interrupt), GFP_KERNEL); if (!interrupt) return AE_ERROR; list_add(&interrupt->list, &dev->interrupts); interrupt->irq.triggering = p->triggering; interrupt->irq.polarity = p->polarity; interrupt->irq.sharable = p->sharable; interrupt->irq.interrupt_count = 1; interrupt->irq.interrupts[0] = p->interrupts[i]; } return AE_OK; } case ACPI_RESOURCE_TYPE_IO: { struct acpi_resource_io *io = &resource->data.io; struct sony_pic_ioport *ioport = list_first_entry(&dev->ioports, struct sony_pic_ioport, list); if (!io) { dprintk("Blank IO resource\n"); return AE_OK; } if (!ioport->io1.minimum) { memcpy(&ioport->io1, io, sizeof(*io)); dprintk("IO1 at 0x%.4x (0x%.2x)\n", ioport->io1.minimum, ioport->io1.address_length); } else if (!ioport->io2.minimum) { memcpy(&ioport->io2, io, sizeof(*io)); dprintk("IO2 at 0x%.4x (0x%.2x)\n", ioport->io2.minimum, ioport->io2.address_length); } else { pr_err("Unknown SPIC Type, more than 2 IO Ports\n"); return AE_ERROR; } return AE_OK; } default: dprintk("Resource %d isn't an IRQ nor an IO port\n", resource->type); case ACPI_RESOURCE_TYPE_END_TAG: return AE_OK; } return AE_CTRL_TERMINATE; } static int sony_pic_possible_resources(struct acpi_device *device) { int result = 0; acpi_status status = AE_OK; if (!device) return -EINVAL; /* get device status */ /* see acpi_pci_link_get_current acpi_pci_link_get_possible */ dprintk("Evaluating _STA\n"); result = acpi_bus_get_status(device); if (result) { pr_warn("Unable to read status\n"); goto end; } if (!device->status.enabled) dprintk("Device disabled\n"); else dprintk("Device enabled\n"); /* * Query and parse 'method' */ dprintk("Evaluating %s\n", METHOD_NAME__PRS); status = acpi_walk_resources(device->handle, METHOD_NAME__PRS, sony_pic_read_possible_resource, &spic_dev); if (ACPI_FAILURE(status)) { pr_warn("Failure evaluating %s\n", METHOD_NAME__PRS); result = -ENODEV; } end: return result; } /* * Disable the spic device by calling its _DIS method */ static int sony_pic_disable(struct acpi_device *device) { acpi_status ret = acpi_evaluate_object(device->handle, "_DIS", NULL, NULL); if (ACPI_FAILURE(ret) && ret != AE_NOT_FOUND) return -ENXIO; dprintk("Device disabled\n"); return 0; } /* * Based on drivers/acpi/pci_link.c:acpi_pci_link_set * * Call _SRS to set current resources */ static int sony_pic_enable(struct acpi_device *device, struct sony_pic_ioport *ioport, struct sony_pic_irq *irq) { acpi_status status; int result = 0; /* Type 1 resource layout is: * IO * IO * IRQNoFlags * End * * Type 2 and 3 resource layout is: * IO * IRQNoFlags * End */ struct { struct acpi_resource res1; struct acpi_resource res2; struct acpi_resource res3; struct acpi_resource res4; } *resource; struct acpi_buffer buffer = { 0, NULL }; if (!ioport || !irq) return -EINVAL; /* init acpi_buffer */ resource = kzalloc(sizeof(*resource) + 1, GFP_KERNEL); if (!resource) return -ENOMEM; buffer.length = sizeof(*resource) + 1; buffer.pointer = resource; /* setup Type 1 resources */ if (spic_dev.model == SONYPI_DEVICE_TYPE1) { /* setup io resources */ resource->res1.type = ACPI_RESOURCE_TYPE_IO; resource->res1.length = sizeof(struct acpi_resource); memcpy(&resource->res1.data.io, &ioport->io1, sizeof(struct acpi_resource_io)); resource->res2.type = ACPI_RESOURCE_TYPE_IO; resource->res2.length = sizeof(struct acpi_resource); memcpy(&resource->res2.data.io, &ioport->io2, sizeof(struct acpi_resource_io)); /* setup irq resource */ resource->res3.type = ACPI_RESOURCE_TYPE_IRQ; resource->res3.length = sizeof(struct acpi_resource); memcpy(&resource->res3.data.irq, &irq->irq, sizeof(struct acpi_resource_irq)); /* we requested a shared irq */ resource->res3.data.irq.sharable = ACPI_SHARED; resource->res4.type = ACPI_RESOURCE_TYPE_END_TAG; resource->res4.length = sizeof(struct acpi_resource); } /* setup Type 2/3 resources */ else { /* setup io resource */ resource->res1.type = ACPI_RESOURCE_TYPE_IO; resource->res1.length = sizeof(struct acpi_resource); memcpy(&resource->res1.data.io, &ioport->io1, sizeof(struct acpi_resource_io)); /* setup irq resource */ resource->res2.type = ACPI_RESOURCE_TYPE_IRQ; resource->res2.length = sizeof(struct acpi_resource); memcpy(&resource->res2.data.irq, &irq->irq, sizeof(struct acpi_resource_irq)); /* we requested a shared irq */ resource->res2.data.irq.sharable = ACPI_SHARED; resource->res3.type = ACPI_RESOURCE_TYPE_END_TAG; resource->res3.length = sizeof(struct acpi_resource); } /* Attempt to set the resource */ dprintk("Evaluating _SRS\n"); status = acpi_set_current_resources(device->handle, &buffer); /* check for total failure */ if (ACPI_FAILURE(status)) { pr_err("Error evaluating _SRS\n"); result = -ENODEV; goto end; } /* Necessary device initializations calls (from sonypi) */ sony_pic_call1(0x82); sony_pic_call2(0x81, 0xff); sony_pic_call1(compat ? 0x92 : 0x82); end: kfree(resource); return result; } /***************** * * ISR: some event is available * *****************/ static irqreturn_t sony_pic_irq(int irq, void *dev_id) { int i, j; u8 ev = 0; u8 data_mask = 0; u8 device_event = 0; struct sony_pic_dev *dev = (struct sony_pic_dev *) dev_id; ev = inb_p(dev->cur_ioport->io1.minimum); if (dev->cur_ioport->io2.minimum) data_mask = inb_p(dev->cur_ioport->io2.minimum); else data_mask = inb_p(dev->cur_ioport->io1.minimum + dev->evport_offset); dprintk("event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n", ev, data_mask, dev->cur_ioport->io1.minimum, dev->evport_offset); if (ev == 0x00 || ev == 0xff) return IRQ_HANDLED; for (i = 0; dev->event_types[i].mask; i++) { if ((data_mask & dev->event_types[i].data) != dev->event_types[i].data) continue; if (!(mask & dev->event_types[i].mask)) continue; for (j = 0; dev->event_types[i].events[j].event; j++) { if (ev == dev->event_types[i].events[j].data) { device_event = dev->event_types[i].events[j].event; /* some events may require ignoring */ if (!device_event) return IRQ_HANDLED; goto found; } } } /* Still not able to decode the event try to pass * it over to the minidriver */ if (dev->handle_irq && dev->handle_irq(data_mask, ev) == 0) return IRQ_HANDLED; dprintk("unknown event ([%.2x] [%.2x]) at port 0x%.4x(+0x%.2x)\n", ev, data_mask, dev->cur_ioport->io1.minimum, dev->evport_offset); return IRQ_HANDLED; found: sony_laptop_report_input_event(device_event); acpi_bus_generate_proc_event(dev->acpi_dev, 1, device_event); sonypi_compat_report_event(device_event); return IRQ_HANDLED; } /***************** * * ACPI driver * *****************/ static int sony_pic_remove(struct acpi_device *device) { struct sony_pic_ioport *io, *tmp_io; struct sony_pic_irq *irq, *tmp_irq; if (sony_pic_disable(device)) { pr_err("Couldn't disable device\n"); return -ENXIO; } free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev); release_region(spic_dev.cur_ioport->io1.minimum, spic_dev.cur_ioport->io1.address_length); if (spic_dev.cur_ioport->io2.minimum) release_region(spic_dev.cur_ioport->io2.minimum, spic_dev.cur_ioport->io2.address_length); sonypi_compat_exit(); sony_laptop_remove_input(); /* pf attrs */ sysfs_remove_group(&sony_pf_device->dev.kobj, &spic_attribute_group); sony_pf_remove(); list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) { list_del(&io->list); kfree(io); } list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) { list_del(&irq->list); kfree(irq); } spic_dev.cur_ioport = NULL; spic_dev.cur_irq = NULL; dprintk(SONY_PIC_DRIVER_NAME " removed.\n"); return 0; } static int sony_pic_add(struct acpi_device *device) { int result; struct sony_pic_ioport *io, *tmp_io; struct sony_pic_irq *irq, *tmp_irq; pr_info("%s v%s\n", SONY_PIC_DRIVER_NAME, SONY_LAPTOP_DRIVER_VERSION); spic_dev.acpi_dev = device; strcpy(acpi_device_class(device), "sony/hotkey"); sony_pic_detect_device_type(&spic_dev); mutex_init(&spic_dev.lock); /* read _PRS resources */ result = sony_pic_possible_resources(device); if (result) { pr_err("Unable to read possible resources\n"); goto err_free_resources; } /* setup input devices and helper fifo */ result = sony_laptop_setup_input(device); if (result) { pr_err("Unable to create input devices\n"); goto err_free_resources; } if (sonypi_compat_init()) goto err_remove_input; /* request io port */ list_for_each_entry_reverse(io, &spic_dev.ioports, list) { if (request_region(io->io1.minimum, io->io1.address_length, "Sony Programmable I/O Device")) { dprintk("I/O port1: 0x%.4x (0x%.4x) + 0x%.2x\n", io->io1.minimum, io->io1.maximum, io->io1.address_length); /* Type 1 have 2 ioports */ if (io->io2.minimum) { if (request_region(io->io2.minimum, io->io2.address_length, "Sony Programmable I/O Device")) { dprintk("I/O port2: 0x%.4x (0x%.4x) + 0x%.2x\n", io->io2.minimum, io->io2.maximum, io->io2.address_length); spic_dev.cur_ioport = io; break; } else { dprintk("Unable to get I/O port2: " "0x%.4x (0x%.4x) + 0x%.2x\n", io->io2.minimum, io->io2.maximum, io->io2.address_length); release_region(io->io1.minimum, io->io1.address_length); } } else { spic_dev.cur_ioport = io; break; } } } if (!spic_dev.cur_ioport) { pr_err("Failed to request_region\n"); result = -ENODEV; goto err_remove_compat; } /* request IRQ */ list_for_each_entry_reverse(irq, &spic_dev.interrupts, list) { if (!request_irq(irq->irq.interrupts[0], sony_pic_irq, 0, "sony-laptop", &spic_dev)) { dprintk("IRQ: %d - triggering: %d - " "polarity: %d - shr: %d\n", irq->irq.interrupts[0], irq->irq.triggering, irq->irq.polarity, irq->irq.sharable); spic_dev.cur_irq = irq; break; } } if (!spic_dev.cur_irq) { pr_err("Failed to request_irq\n"); result = -ENODEV; goto err_release_region; } /* set resource status _SRS */ result = sony_pic_enable(device, spic_dev.cur_ioport, spic_dev.cur_irq); if (result) { pr_err("Couldn't enable device\n"); goto err_free_irq; } spic_dev.bluetooth_power = -1; /* create device attributes */ result = sony_pf_add(); if (result) goto err_disable_device; result = sysfs_create_group(&sony_pf_device->dev.kobj, &spic_attribute_group); if (result) goto err_remove_pf; return 0; err_remove_pf: sony_pf_remove(); err_disable_device: sony_pic_disable(device); err_free_irq: free_irq(spic_dev.cur_irq->irq.interrupts[0], &spic_dev); err_release_region: release_region(spic_dev.cur_ioport->io1.minimum, spic_dev.cur_ioport->io1.address_length); if (spic_dev.cur_ioport->io2.minimum) release_region(spic_dev.cur_ioport->io2.minimum, spic_dev.cur_ioport->io2.address_length); err_remove_compat: sonypi_compat_exit(); err_remove_input: sony_laptop_remove_input(); err_free_resources: list_for_each_entry_safe(io, tmp_io, &spic_dev.ioports, list) { list_del(&io->list); kfree(io); } list_for_each_entry_safe(irq, tmp_irq, &spic_dev.interrupts, list) { list_del(&irq->list); kfree(irq); } spic_dev.cur_ioport = NULL; spic_dev.cur_irq = NULL; return result; } #ifdef CONFIG_PM_SLEEP static int sony_pic_suspend(struct device *dev) { if (sony_pic_disable(to_acpi_device(dev))) return -ENXIO; return 0; } static int sony_pic_resume(struct device *dev) { sony_pic_enable(to_acpi_device(dev), spic_dev.cur_ioport, spic_dev.cur_irq); return 0; } #endif static SIMPLE_DEV_PM_OPS(sony_pic_pm, sony_pic_suspend, sony_pic_resume); static const struct acpi_device_id sony_pic_device_ids[] = { {SONY_PIC_HID, 0}, {"", 0}, }; static struct acpi_driver sony_pic_driver = { .name = SONY_PIC_DRIVER_NAME, .class = SONY_PIC_CLASS, .ids = sony_pic_device_ids, .owner = THIS_MODULE, .ops = { .add = sony_pic_add, .remove = sony_pic_remove, }, .drv.pm = &sony_pic_pm, }; static struct dmi_system_id __initdata sonypi_dmi_table[] = { { .ident = "Sony Vaio", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), DMI_MATCH(DMI_PRODUCT_NAME, "PCG-"), }, }, { .ident = "Sony Vaio", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), DMI_MATCH(DMI_PRODUCT_NAME, "VGN-"), }, }, { } }; static int __init sony_laptop_init(void) { int result; if (!no_spic && dmi_check_system(sonypi_dmi_table)) { result = acpi_bus_register_driver(&sony_pic_driver); if (result) { pr_err("Unable to register SPIC driver\n"); goto out; } spic_drv_registered = 1; } result = acpi_bus_register_driver(&sony_nc_driver); if (result) { pr_err("Unable to register SNC driver\n"); goto out_unregister_pic; } return 0; out_unregister_pic: if (spic_drv_registered) acpi_bus_unregister_driver(&sony_pic_driver); out: return result; } static void __exit sony_laptop_exit(void) { acpi_bus_unregister_driver(&sony_nc_driver); if (spic_drv_registered) acpi_bus_unregister_driver(&sony_pic_driver); } module_init(sony_laptop_init); module_exit(sony_laptop_exit);