diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_display_types.h')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_display_types.h | 1992 |
1 files changed, 1992 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h b/drivers/gpu/drm/i915/display/intel_display_types.h new file mode 100644 index 000000000000..408152f9f46a --- /dev/null +++ b/drivers/gpu/drm/i915/display/intel_display_types.h @@ -0,0 +1,1992 @@ +/* + * Copyright (c) 2006 Dave Airlie <airlied@linux.ie> + * Copyright (c) 2007-2008 Intel Corporation + * Jesse Barnes <jesse.barnes@intel.com> + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS + * IN THE SOFTWARE. + */ + +#ifndef __INTEL_DISPLAY_TYPES_H__ +#define __INTEL_DISPLAY_TYPES_H__ + +#include <linux/i2c.h> +#include <linux/pm_qos.h> +#include <linux/pwm.h> +#include <linux/sched/clock.h> + +#include <drm/display/drm_dp_dual_mode_helper.h> +#include <drm/display/drm_dp_mst_helper.h> +#include <drm/display/drm_dsc.h> +#include <drm/drm_atomic.h> +#include <drm/drm_crtc.h> +#include <drm/drm_encoder.h> +#include <drm/drm_fourcc.h> +#include <drm/drm_probe_helper.h> +#include <drm/drm_rect.h> +#include <drm/drm_vblank.h> +#include <drm/drm_vblank_work.h> +#include <drm/i915_mei_hdcp_interface.h> +#include <media/cec-notifier.h> + +#include "i915_vma.h" +#include "i915_vma_types.h" +#include "intel_bios.h" +#include "intel_display.h" +#include "intel_display_power.h" +#include "intel_dpll_mgr.h" +#include "intel_pm_types.h" + +struct drm_printer; +struct __intel_global_objs_state; +struct intel_ddi_buf_trans; +struct intel_fbc; +struct intel_connector; + +/* + * Display related stuff + */ + +/* these are outputs from the chip - integrated only + external chips are via DVO or SDVO output */ +enum intel_output_type { + INTEL_OUTPUT_UNUSED = 0, + INTEL_OUTPUT_ANALOG = 1, + INTEL_OUTPUT_DVO = 2, + INTEL_OUTPUT_SDVO = 3, + INTEL_OUTPUT_LVDS = 4, + INTEL_OUTPUT_TVOUT = 5, + INTEL_OUTPUT_HDMI = 6, + INTEL_OUTPUT_DP = 7, + INTEL_OUTPUT_EDP = 8, + INTEL_OUTPUT_DSI = 9, + INTEL_OUTPUT_DDI = 10, + INTEL_OUTPUT_DP_MST = 11, +}; + +enum hdmi_force_audio { + HDMI_AUDIO_OFF_DVI = -2, /* no aux data for HDMI-DVI converter */ + HDMI_AUDIO_OFF, /* force turn off HDMI audio */ + HDMI_AUDIO_AUTO, /* trust EDID */ + HDMI_AUDIO_ON, /* force turn on HDMI audio */ +}; + +/* "Broadcast RGB" property */ +enum intel_broadcast_rgb { + INTEL_BROADCAST_RGB_AUTO, + INTEL_BROADCAST_RGB_FULL, + INTEL_BROADCAST_RGB_LIMITED, +}; + +struct intel_fb_view { + /* + * The remap information used in the remapped and rotated views to + * create the DMA scatter-gather list for each FB color plane. This sg + * list is created along with the view type (gtt.type) specific + * i915_vma object and contains the list of FB object pages (reordered + * in the rotated view) that are visible in the view. + * In the normal view the FB object's backing store sg list is used + * directly and hence the remap information here is not used. + */ + struct i915_ggtt_view gtt; + + /* + * The GTT view (gtt.type) specific information for each FB color + * plane. In the normal GTT view all formats (up to 4 color planes), + * in the rotated and remapped GTT view all no-CCS formats (up to 2 + * color planes) are supported. + * + * The view information shared by all FB color planes in the FB, + * like dst x/y and src/dst width, is stored separately in + * intel_plane_state. + */ + struct i915_color_plane_view { + u32 offset; + unsigned int x, y; + /* + * Plane stride in: + * bytes for 0/180 degree rotation + * pixels for 90/270 degree rotation + */ + unsigned int mapping_stride; + unsigned int scanout_stride; + } color_plane[4]; +}; + +struct intel_framebuffer { + struct drm_framebuffer base; + struct intel_frontbuffer *frontbuffer; + + /* Params to remap the FB pages and program the plane registers in each view. */ + struct intel_fb_view normal_view; + union { + struct intel_fb_view rotated_view; + struct intel_fb_view remapped_view; + }; + + struct i915_address_space *dpt_vm; +}; + +enum intel_hotplug_state { + INTEL_HOTPLUG_UNCHANGED, + INTEL_HOTPLUG_CHANGED, + INTEL_HOTPLUG_RETRY, +}; + +struct intel_encoder { + struct drm_encoder base; + + enum intel_output_type type; + enum port port; + u16 cloneable; + u8 pipe_mask; + enum intel_hotplug_state (*hotplug)(struct intel_encoder *encoder, + struct intel_connector *connector); + enum intel_output_type (*compute_output_type)(struct intel_encoder *, + struct intel_crtc_state *, + struct drm_connector_state *); + int (*compute_config)(struct intel_encoder *, + struct intel_crtc_state *, + struct drm_connector_state *); + int (*compute_config_late)(struct intel_encoder *, + struct intel_crtc_state *, + struct drm_connector_state *); + void (*update_prepare)(struct intel_atomic_state *, + struct intel_encoder *, + struct intel_crtc *); + void (*pre_pll_enable)(struct intel_atomic_state *, + struct intel_encoder *, + const struct intel_crtc_state *, + const struct drm_connector_state *); + void (*pre_enable)(struct intel_atomic_state *, + struct intel_encoder *, + const struct intel_crtc_state *, + const struct drm_connector_state *); + void (*enable)(struct intel_atomic_state *, + struct intel_encoder *, + const struct intel_crtc_state *, + const struct drm_connector_state *); + void (*update_complete)(struct intel_atomic_state *, + struct intel_encoder *, + struct intel_crtc *); + void (*disable)(struct intel_atomic_state *, + struct intel_encoder *, + const struct intel_crtc_state *, + const struct drm_connector_state *); + void (*post_disable)(struct intel_atomic_state *, + struct intel_encoder *, + const struct intel_crtc_state *, + const struct drm_connector_state *); + void (*post_pll_disable)(struct intel_atomic_state *, + struct intel_encoder *, + const struct intel_crtc_state *, + const struct drm_connector_state *); + void (*update_pipe)(struct intel_atomic_state *, + struct intel_encoder *, + const struct intel_crtc_state *, + const struct drm_connector_state *); + /* Read out the current hw state of this connector, returning true if + * the encoder is active. If the encoder is enabled it also set the pipe + * it is connected to in the pipe parameter. */ + bool (*get_hw_state)(struct intel_encoder *, enum pipe *pipe); + /* Reconstructs the equivalent mode flags for the current hardware + * state. This must be called _after_ display->get_pipe_config has + * pre-filled the pipe config. Note that intel_encoder->base.crtc must + * be set correctly before calling this function. */ + void (*get_config)(struct intel_encoder *, + struct intel_crtc_state *pipe_config); + + /* + * Optional hook called during init/resume to sync any state + * stored in the encoder (eg. DP link parameters) wrt. the HW state. + */ + void (*sync_state)(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state); + + /* + * Optional hook, returning true if this encoder allows a fastset + * during the initial commit, false otherwise. + */ + bool (*initial_fastset_check)(struct intel_encoder *encoder, + struct intel_crtc_state *crtc_state); + + /* + * Acquires the power domains needed for an active encoder during + * hardware state readout. + */ + void (*get_power_domains)(struct intel_encoder *encoder, + struct intel_crtc_state *crtc_state); + /* + * Called during system suspend after all pending requests for the + * encoder are flushed (for example for DP AUX transactions) and + * device interrupts are disabled. + */ + void (*suspend)(struct intel_encoder *); + /* + * Called during system reboot/shutdown after all the + * encoders have been disabled and suspended. + */ + void (*shutdown)(struct intel_encoder *encoder); + /* + * Enable/disable the clock to the port. + */ + void (*enable_clock)(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state); + void (*disable_clock)(struct intel_encoder *encoder); + /* + * Returns whether the port clock is enabled or not. + */ + bool (*is_clock_enabled)(struct intel_encoder *encoder); + const struct intel_ddi_buf_trans *(*get_buf_trans)(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state, + int *n_entries); + void (*set_signal_levels)(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state); + + enum hpd_pin hpd_pin; + enum intel_display_power_domain power_domain; + /* for communication with audio component; protected by av_mutex */ + const struct drm_connector *audio_connector; + + /* VBT information for this encoder (may be NULL for older platforms) */ + const struct intel_bios_encoder_data *devdata; +}; + +struct intel_panel_bl_funcs { + /* Connector and platform specific backlight functions */ + int (*setup)(struct intel_connector *connector, enum pipe pipe); + u32 (*get)(struct intel_connector *connector, enum pipe pipe); + void (*set)(const struct drm_connector_state *conn_state, u32 level); + void (*disable)(const struct drm_connector_state *conn_state, u32 level); + void (*enable)(const struct intel_crtc_state *crtc_state, + const struct drm_connector_state *conn_state, u32 level); + u32 (*hz_to_pwm)(struct intel_connector *connector, u32 hz); +}; + +struct intel_panel { + struct list_head fixed_modes; + + /* backlight */ + struct { + bool present; + u32 level; + u32 min; + u32 max; + bool enabled; + bool combination_mode; /* gen 2/4 only */ + bool active_low_pwm; + bool alternate_pwm_increment; /* lpt+ */ + + /* PWM chip */ + u32 pwm_level_min; + u32 pwm_level_max; + bool pwm_enabled; + bool util_pin_active_low; /* bxt+ */ + u8 controller; /* bxt+ only */ + struct pwm_device *pwm; + struct pwm_state pwm_state; + + /* DPCD backlight */ + union { + struct { + struct drm_edp_backlight_info info; + } vesa; + struct { + bool sdr_uses_aux; + } intel; + } edp; + + struct backlight_device *device; + + const struct intel_panel_bl_funcs *funcs; + const struct intel_panel_bl_funcs *pwm_funcs; + void (*power)(struct intel_connector *, bool enable); + } backlight; +}; + +struct intel_digital_port; + +enum check_link_response { + HDCP_LINK_PROTECTED = 0, + HDCP_TOPOLOGY_CHANGE, + HDCP_LINK_INTEGRITY_FAILURE, + HDCP_REAUTH_REQUEST +}; + +/* + * This structure serves as a translation layer between the generic HDCP code + * and the bus-specific code. What that means is that HDCP over HDMI differs + * from HDCP over DP, so to account for these differences, we need to + * communicate with the receiver through this shim. + * + * For completeness, the 2 buses differ in the following ways: + * - DP AUX vs. DDC + * HDCP registers on the receiver are set via DP AUX for DP, and + * they are set via DDC for HDMI. + * - Receiver register offsets + * The offsets of the registers are different for DP vs. HDMI + * - Receiver register masks/offsets + * For instance, the ready bit for the KSV fifo is in a different + * place on DP vs HDMI + * - Receiver register names + * Seriously. In the DP spec, the 16-bit register containing + * downstream information is called BINFO, on HDMI it's called + * BSTATUS. To confuse matters further, DP has a BSTATUS register + * with a completely different definition. + * - KSV FIFO + * On HDMI, the ksv fifo is read all at once, whereas on DP it must + * be read 3 keys at a time + * - Aksv output + * Since Aksv is hidden in hardware, there's different procedures + * to send it over DP AUX vs DDC + */ +struct intel_hdcp_shim { + /* Outputs the transmitter's An and Aksv values to the receiver. */ + int (*write_an_aksv)(struct intel_digital_port *dig_port, u8 *an); + + /* Reads the receiver's key selection vector */ + int (*read_bksv)(struct intel_digital_port *dig_port, u8 *bksv); + + /* + * Reads BINFO from DP receivers and BSTATUS from HDMI receivers. The + * definitions are the same in the respective specs, but the names are + * different. Call it BSTATUS since that's the name the HDMI spec + * uses and it was there first. + */ + int (*read_bstatus)(struct intel_digital_port *dig_port, + u8 *bstatus); + + /* Determines whether a repeater is present downstream */ + int (*repeater_present)(struct intel_digital_port *dig_port, + bool *repeater_present); + + /* Reads the receiver's Ri' value */ + int (*read_ri_prime)(struct intel_digital_port *dig_port, u8 *ri); + + /* Determines if the receiver's KSV FIFO is ready for consumption */ + int (*read_ksv_ready)(struct intel_digital_port *dig_port, + bool *ksv_ready); + + /* Reads the ksv fifo for num_downstream devices */ + int (*read_ksv_fifo)(struct intel_digital_port *dig_port, + int num_downstream, u8 *ksv_fifo); + + /* Reads a 32-bit part of V' from the receiver */ + int (*read_v_prime_part)(struct intel_digital_port *dig_port, + int i, u32 *part); + + /* Enables HDCP signalling on the port */ + int (*toggle_signalling)(struct intel_digital_port *dig_port, + enum transcoder cpu_transcoder, + bool enable); + + /* Enable/Disable stream encryption on DP MST Transport Link */ + int (*stream_encryption)(struct intel_connector *connector, + bool enable); + + /* Ensures the link is still protected */ + bool (*check_link)(struct intel_digital_port *dig_port, + struct intel_connector *connector); + + /* Detects panel's hdcp capability. This is optional for HDMI. */ + int (*hdcp_capable)(struct intel_digital_port *dig_port, + bool *hdcp_capable); + + /* HDCP adaptation(DP/HDMI) required on the port */ + enum hdcp_wired_protocol protocol; + + /* Detects whether sink is HDCP2.2 capable */ + int (*hdcp_2_2_capable)(struct intel_digital_port *dig_port, + bool *capable); + + /* Write HDCP2.2 messages */ + int (*write_2_2_msg)(struct intel_digital_port *dig_port, + void *buf, size_t size); + + /* Read HDCP2.2 messages */ + int (*read_2_2_msg)(struct intel_digital_port *dig_port, + u8 msg_id, void *buf, size_t size); + + /* + * Implementation of DP HDCP2.2 Errata for the communication of stream + * type to Receivers. In DP HDCP2.2 Stream type is one of the input to + * the HDCP2.2 Cipher for En/De-Cryption. Not applicable for HDMI. + */ + int (*config_stream_type)(struct intel_digital_port *dig_port, + bool is_repeater, u8 type); + + /* Enable/Disable HDCP 2.2 stream encryption on DP MST Transport Link */ + int (*stream_2_2_encryption)(struct intel_connector *connector, + bool enable); + + /* HDCP2.2 Link Integrity Check */ + int (*check_2_2_link)(struct intel_digital_port *dig_port, + struct intel_connector *connector); +}; + +struct intel_hdcp { + const struct intel_hdcp_shim *shim; + /* Mutex for hdcp state of the connector */ + struct mutex mutex; + u64 value; + struct delayed_work check_work; + struct work_struct prop_work; + + /* HDCP1.4 Encryption status */ + bool hdcp_encrypted; + + /* HDCP2.2 related definitions */ + /* Flag indicates whether this connector supports HDCP2.2 or not. */ + bool hdcp2_supported; + + /* HDCP2.2 Encryption status */ + bool hdcp2_encrypted; + + /* + * Content Stream Type defined by content owner. TYPE0(0x0) content can + * flow in the link protected by HDCP2.2 or HDCP1.4, where as TYPE1(0x1) + * content can flow only through a link protected by HDCP2.2. + */ + u8 content_type; + + bool is_paired; + bool is_repeater; + + /* + * Count of ReceiverID_List received. Initialized to 0 at AKE_INIT. + * Incremented after processing the RepeaterAuth_Send_ReceiverID_List. + * When it rolls over re-auth has to be triggered. + */ + u32 seq_num_v; + + /* + * Count of RepeaterAuth_Stream_Manage msg propagated. + * Initialized to 0 on AKE_INIT. Incremented after every successful + * transmission of RepeaterAuth_Stream_Manage message. When it rolls + * over re-Auth has to be triggered. + */ + u32 seq_num_m; + + /* + * Work queue to signal the CP_IRQ. Used for the waiters to read the + * available information from HDCP DP sink. + */ + wait_queue_head_t cp_irq_queue; + atomic_t cp_irq_count; + int cp_irq_count_cached; + + /* + * HDCP register access for gen12+ need the transcoder associated. + * Transcoder attached to the connector could be changed at modeset. + * Hence caching the transcoder here. + */ + enum transcoder cpu_transcoder; + /* Only used for DP MST stream encryption */ + enum transcoder stream_transcoder; +}; + +struct intel_connector { + struct drm_connector base; + /* + * The fixed encoder this connector is connected to. + */ + struct intel_encoder *encoder; + + /* ACPI device id for ACPI and driver cooperation */ + u32 acpi_device_id; + + /* Reads out the current hw, returning true if the connector is enabled + * and active (i.e. dpms ON state). */ + bool (*get_hw_state)(struct intel_connector *); + + /* Panel info for eDP and LVDS */ + struct intel_panel panel; + + /* Cached EDID for eDP and LVDS. May hold ERR_PTR for invalid EDID. */ + struct edid *edid; + struct edid *detect_edid; + + /* Number of times hotplug detection was tried after an HPD interrupt */ + int hotplug_retries; + + /* since POLL and HPD connectors may use the same HPD line keep the native + state of connector->polled in case hotplug storm detection changes it */ + u8 polled; + + struct drm_dp_mst_port *port; + + struct intel_dp *mst_port; + + /* Work struct to schedule a uevent on link train failure */ + struct work_struct modeset_retry_work; + + struct intel_hdcp hdcp; +}; + +struct intel_digital_connector_state { + struct drm_connector_state base; + + enum hdmi_force_audio force_audio; + int broadcast_rgb; +}; + +#define to_intel_digital_connector_state(x) container_of(x, struct intel_digital_connector_state, base) + +struct dpll { + /* given values */ + int n; + int m1, m2; + int p1, p2; + /* derived values */ + int dot; + int vco; + int m; + int p; +}; + +struct intel_atomic_state { + struct drm_atomic_state base; + + intel_wakeref_t wakeref; + + struct __intel_global_objs_state *global_objs; + int num_global_objs; + + bool dpll_set, modeset; + + struct intel_shared_dpll_state shared_dpll[I915_NUM_PLLS]; + + /* + * Current watermarks can't be trusted during hardware readout, so + * don't bother calculating intermediate watermarks. + */ + bool skip_intermediate_wm; + + bool rps_interactive; + + struct i915_sw_fence commit_ready; + + struct llist_node freed; +}; + +struct intel_plane_state { + struct drm_plane_state uapi; + + /* + * actual hardware state, the state we program to the hardware. + * The following members are used to verify the hardware state: + * During initial hw readout, they need to be copied from uapi. + */ + struct { + struct drm_crtc *crtc; + struct drm_framebuffer *fb; + + u16 alpha; + u16 pixel_blend_mode; + unsigned int rotation; + enum drm_color_encoding color_encoding; + enum drm_color_range color_range; + enum drm_scaling_filter scaling_filter; + } hw; + + struct i915_vma *ggtt_vma; + struct i915_vma *dpt_vma; + unsigned long flags; +#define PLANE_HAS_FENCE BIT(0) + + struct intel_fb_view view; + + /* Plane pxp decryption state */ + bool decrypt; + + /* Plane state to display black pixels when pxp is borked */ + bool force_black; + + /* plane control register */ + u32 ctl; + + /* plane color control register */ + u32 color_ctl; + + /* chroma upsampler control register */ + u32 cus_ctl; + + /* + * scaler_id + * = -1 : not using a scaler + * >= 0 : using a scalers + * + * plane requiring a scaler: + * - During check_plane, its bit is set in + * crtc_state->scaler_state.scaler_users by calling helper function + * update_scaler_plane. + * - scaler_id indicates the scaler it got assigned. + * + * plane doesn't require a scaler: + * - this can happen when scaling is no more required or plane simply + * got disabled. + * - During check_plane, corresponding bit is reset in + * crtc_state->scaler_state.scaler_users by calling helper function + * update_scaler_plane. + */ + int scaler_id; + + /* + * planar_linked_plane: + * + * ICL planar formats require 2 planes that are updated as pairs. + * This member is used to make sure the other plane is also updated + * when required, and for update_slave() to find the correct + * plane_state to pass as argument. + */ + struct intel_plane *planar_linked_plane; + + /* + * planar_slave: + * If set don't update use the linked plane's state for updating + * this plane during atomic commit with the update_slave() callback. + * + * It's also used by the watermark code to ignore wm calculations on + * this plane. They're calculated by the linked plane's wm code. + */ + u32 planar_slave; + + struct drm_intel_sprite_colorkey ckey; + + struct drm_rect psr2_sel_fetch_area; + + /* Clear Color Value */ + u64 ccval; + + const char *no_fbc_reason; +}; + +struct intel_initial_plane_config { + struct intel_framebuffer *fb; + struct i915_vma *vma; + unsigned int tiling; + int size; + u32 base; + u8 rotation; +}; + +struct intel_scaler { + int in_use; + u32 mode; +}; + +struct intel_crtc_scaler_state { +#define SKL_NUM_SCALERS 2 + struct intel_scaler scalers[SKL_NUM_SCALERS]; + + /* + * scaler_users: keeps track of users requesting scalers on this crtc. + * + * If a bit is set, a user is using a scaler. + * Here user can be a plane or crtc as defined below: + * bits 0-30 - plane (bit position is index from drm_plane_index) + * bit 31 - crtc + * + * Instead of creating a new index to cover planes and crtc, using + * existing drm_plane_index for planes which is well less than 31 + * planes and bit 31 for crtc. This should be fine to cover all + * our platforms. + * + * intel_atomic_setup_scalers will setup available scalers to users + * requesting scalers. It will gracefully fail if request exceeds + * avilability. + */ +#define SKL_CRTC_INDEX 31 + unsigned scaler_users; + + /* scaler used by crtc for panel fitting purpose */ + int scaler_id; +}; + +/* {crtc,crtc_state}->mode_flags */ +/* Flag to get scanline using frame time stamps */ +#define I915_MODE_FLAG_GET_SCANLINE_FROM_TIMESTAMP (1<<1) +/* Flag to use the scanline counter instead of the pixel counter */ +#define I915_MODE_FLAG_USE_SCANLINE_COUNTER (1<<2) +/* + * TE0 or TE1 flag is set if the crtc has a DSI encoder which + * is operating in command mode. + * Flag to use TE from DSI0 instead of VBI in command mode + */ +#define I915_MODE_FLAG_DSI_USE_TE0 (1<<3) +/* Flag to use TE from DSI1 instead of VBI in command mode */ +#define I915_MODE_FLAG_DSI_USE_TE1 (1<<4) +/* Flag to indicate mipi dsi periodic command mode where we do not get TE */ +#define I915_MODE_FLAG_DSI_PERIODIC_CMD_MODE (1<<5) +/* Do tricks to make vblank timestamps sane with VRR? */ +#define I915_MODE_FLAG_VRR (1<<6) + +struct intel_wm_level { + bool enable; + u32 pri_val; + u32 spr_val; + u32 cur_val; + u32 fbc_val; +}; + +struct intel_pipe_wm { + struct intel_wm_level wm[5]; + bool fbc_wm_enabled; + bool pipe_enabled; + bool sprites_enabled; + bool sprites_scaled; +}; + +struct skl_wm_level { + u16 min_ddb_alloc; + u16 blocks; + u8 lines; + bool enable; + bool ignore_lines; + bool can_sagv; +}; + +struct skl_plane_wm { + struct skl_wm_level wm[8]; + struct skl_wm_level uv_wm[8]; + struct skl_wm_level trans_wm; + struct { + struct skl_wm_level wm0; + struct skl_wm_level trans_wm; + } sagv; + bool is_planar; +}; + +struct skl_pipe_wm { + struct skl_plane_wm planes[I915_MAX_PLANES]; + bool use_sagv_wm; +}; + +enum vlv_wm_level { + VLV_WM_LEVEL_PM2, + VLV_WM_LEVEL_PM5, + VLV_WM_LEVEL_DDR_DVFS, + NUM_VLV_WM_LEVELS, +}; + +struct vlv_wm_state { + struct g4x_pipe_wm wm[NUM_VLV_WM_LEVELS]; + struct g4x_sr_wm sr[NUM_VLV_WM_LEVELS]; + u8 num_levels; + bool cxsr; +}; + +struct vlv_fifo_state { + u16 plane[I915_MAX_PLANES]; +}; + +enum g4x_wm_level { + G4X_WM_LEVEL_NORMAL, + G4X_WM_LEVEL_SR, + G4X_WM_LEVEL_HPLL, + NUM_G4X_WM_LEVELS, +}; + +struct g4x_wm_state { + struct g4x_pipe_wm wm; + struct g4x_sr_wm sr; + struct g4x_sr_wm hpll; + bool cxsr; + bool hpll_en; + bool fbc_en; +}; + +struct intel_crtc_wm_state { + union { + /* + * raw: + * The "raw" watermark values produced by the formula + * given the plane's current state. They do not consider + * how much FIFO is actually allocated for each plane. + * + * optimal: + * The "optimal" watermark values given the current + * state of the planes and the amount of FIFO + * allocated to each, ignoring any previous state + * of the planes. + * + * intermediate: + * The "intermediate" watermark values when transitioning + * between the old and new "optimal" values. Used when + * the watermark registers are single buffered and hence + * their state changes asynchronously with regards to the + * actual plane registers. These are essentially the + * worst case combination of the old and new "optimal" + * watermarks, which are therefore safe to use when the + * plane is in either its old or new state. + */ + struct { + struct intel_pipe_wm intermediate; + struct intel_pipe_wm optimal; + } ilk; + + struct { + struct skl_pipe_wm raw; + /* gen9+ only needs 1-step wm programming */ + struct skl_pipe_wm optimal; + struct skl_ddb_entry ddb; + /* + * pre-icl: for packed/planar CbCr + * icl+: for everything + */ + struct skl_ddb_entry plane_ddb[I915_MAX_PLANES]; + /* pre-icl: for planar Y */ + struct skl_ddb_entry plane_ddb_y[I915_MAX_PLANES]; + } skl; + + struct { + struct g4x_pipe_wm raw[NUM_VLV_WM_LEVELS]; /* not inverted */ + struct vlv_wm_state intermediate; /* inverted */ + struct vlv_wm_state optimal; /* inverted */ + struct vlv_fifo_state fifo_state; + } vlv; + + struct { + struct g4x_pipe_wm raw[NUM_G4X_WM_LEVELS]; + struct g4x_wm_state intermediate; + struct g4x_wm_state optimal; + } g4x; + }; + + /* + * Platforms with two-step watermark programming will need to + * update watermark programming post-vblank to switch from the + * safe intermediate watermarks to the optimal final + * watermarks. + */ + bool need_postvbl_update; +}; + +enum intel_output_format { + INTEL_OUTPUT_FORMAT_RGB, + INTEL_OUTPUT_FORMAT_YCBCR420, + INTEL_OUTPUT_FORMAT_YCBCR444, +}; + +struct intel_mpllb_state { + u32 clock; /* in KHz */ + u32 ref_control; + u32 mpllb_cp; + u32 mpllb_div; + u32 mpllb_div2; + u32 mpllb_fracn1; + u32 mpllb_fracn2; + u32 mpllb_sscen; + u32 mpllb_sscstep; +}; + +struct intel_crtc_state { + /* + * uapi (drm) state. This is the software state shown to userspace. + * In particular, the following members are used for bookkeeping: + * - crtc + * - state + * - *_changed + * - event + * - commit + * - mode_blob + */ + struct drm_crtc_state uapi; + + /* + * actual hardware state, the state we program to the hardware. + * The following members are used to verify the hardware state: + * - enable + * - active + * - mode / pipe_mode / adjusted_mode + * - color property blobs. + * + * During initial hw readout, they need to be copied to uapi. + * + * Bigjoiner will allow a transcoder mode that spans 2 pipes; + * Use the pipe_mode for calculations like watermarks, pipe + * scaler, and bandwidth. + * + * Use adjusted_mode for things that need to know the full + * mode on the transcoder, which spans all pipes. + */ + struct { + bool active, enable; + struct drm_property_blob *degamma_lut, *gamma_lut, *ctm; + struct drm_display_mode mode, pipe_mode, adjusted_mode; + enum drm_scaling_filter scaling_filter; + } hw; + + /** + * quirks - bitfield with hw state readout quirks + * + * For various reasons the hw state readout code might not be able to + * completely faithfully read out the current state. These cases are + * tracked with quirk flags so that fastboot and state checker can act + * accordingly. + */ +#define PIPE_CONFIG_QUIRK_MODE_SYNC_FLAGS (1<<0) /* unreliable sync mode.flags */ + unsigned long quirks; + + unsigned fb_bits; /* framebuffers to flip */ + bool update_pipe; /* can a fast modeset be performed? */ + bool disable_cxsr; + bool update_wm_pre, update_wm_post; /* watermarks are updated */ + bool fifo_changed; /* FIFO split is changed */ + bool preload_luts; + bool inherited; /* state inherited from BIOS? */ + + /* Ask the hardware to actually async flip? */ + bool do_async_flip; + + /* Pipe source size (ie. panel fitter input size) + * All planes will be positioned inside this space, + * and get clipped at the edges. */ + struct drm_rect pipe_src; + + /* + * Pipe pixel rate, adjusted for + * panel fitter/pipe scaler downscaling. + */ + unsigned int pixel_rate; + + /* Whether to set up the PCH/FDI. Note that we never allow sharing + * between pch encoders and cpu encoders. */ + bool has_pch_encoder; + + /* Are we sending infoframes on the attached port */ + bool has_infoframe; + + /* CPU Transcoder for the pipe. Currently this can only differ from the + * pipe on Haswell and later (where we have a special eDP transcoder) + * and Broxton (where we have special DSI transcoders). */ + enum transcoder cpu_transcoder; + + /* + * Use reduced/limited/broadcast rbg range, compressing from the full + * range fed into the crtcs. + */ + bool limited_color_range; + + /* Bitmask of encoder types (enum intel_output_type) + * driven by the pipe. + */ + unsigned int output_types; + + /* Whether we should send NULL infoframes. Required for audio. */ + bool has_hdmi_sink; + + /* Audio enabled on this pipe. Only valid if either has_hdmi_sink or + * has_dp_encoder is set. */ + bool has_audio; + + /* + * Enable dithering, used when the selected pipe bpp doesn't match the + * plane bpp. + */ + bool dither; + + /* + * Dither gets enabled for 18bpp which causes CRC mismatch errors for + * compliance video pattern tests. + * Disable dither only if it is a compliance test request for + * 18bpp. + */ + bool dither_force_disable; + + /* Controls for the clock computation, to override various stages. */ + bool clock_set; + + /* SDVO TV has a bunch of special case. To make multifunction encoders + * work correctly, we need to track this at runtime.*/ + bool sdvo_tv_clock; + + /* + * crtc bandwidth limit, don't increase pipe bpp or clock if not really + * required. This is set in the 2nd loop of calling encoder's + * ->compute_config if the first pick doesn't work out. + */ + bool bw_constrained; + + /* Settings for the intel dpll used on pretty much everything but + * haswell. */ + struct dpll dpll; + + /* Selected dpll when shared or NULL. */ + struct intel_shared_dpll *shared_dpll; + + /* Actual register state of the dpll, for shared dpll cross-checking. */ + union { + struct intel_dpll_hw_state dpll_hw_state; + struct intel_mpllb_state mpllb_state; + }; + + /* + * ICL reserved DPLLs for the CRTC/port. The active PLL is selected by + * setting shared_dpll and dpll_hw_state to one of these reserved ones. + */ + struct icl_port_dpll { + struct intel_shared_dpll *pll; + struct intel_dpll_hw_state hw_state; + } icl_port_dplls[ICL_PORT_DPLL_COUNT]; + + /* DSI PLL registers */ + struct { + u32 ctrl, div; + } dsi_pll; + + int pipe_bpp; + struct intel_link_m_n dp_m_n; + + /* m2_n2 for eDP downclock */ + struct intel_link_m_n dp_m2_n2; + bool has_drrs; + + /* PSR is supported but might not be enabled due the lack of enabled planes */ + bool has_psr; + bool has_psr2; + bool enable_psr2_sel_fetch; + bool req_psr2_sdp_prior_scanline; + u32 dc3co_exitline; + u16 su_y_granularity; + struct drm_dp_vsc_sdp psr_vsc; + + /* + * Frequence the dpll for the port should run at. Differs from the + * adjusted dotclock e.g. for DP or 10/12bpc hdmi mode. This is also + * already multiplied by pixel_multiplier. + */ + int port_clock; + + /* Used by SDVO (and if we ever fix it, HDMI). */ + unsigned pixel_multiplier; + + /* I915_MODE_FLAG_* */ + u8 mode_flags; + + u8 lane_count; + + /* + * Used by platforms having DP/HDMI PHY with programmable lane + * latency optimization. + */ + u8 lane_lat_optim_mask; + + /* minimum acceptable voltage level */ + u8 min_voltage_level; + + /* Panel fitter controls for gen2-gen4 + VLV */ + struct { + u32 control; + u32 pgm_ratios; + u32 lvds_border_bits; + } gmch_pfit; + + /* Panel fitter placement and size for Ironlake+ */ + struct { + struct drm_rect dst; + bool enabled; + bool force_thru; + } pch_pfit; + + /* FDI configuration, only valid if has_pch_encoder is set. */ + int fdi_lanes; + struct intel_link_m_n fdi_m_n; + + bool ips_enabled; + + bool crc_enabled; + + bool double_wide; + + int pbn; + + struct intel_crtc_scaler_state scaler_state; + + /* w/a for waiting 2 vblanks during crtc enable */ + enum pipe hsw_workaround_pipe; + + /* IVB sprite scaling w/a (WaCxSRDisabledForSpriteScaling:ivb) */ + bool disable_lp_wm; + + struct intel_crtc_wm_state wm; + + int min_cdclk[I915_MAX_PLANES]; + + /* for packed/planar CbCr */ + u32 data_rate[I915_MAX_PLANES]; + /* for planar Y */ + u32 data_rate_y[I915_MAX_PLANES]; + + /* FIXME unify with data_rate[]? */ + u64 rel_data_rate[I915_MAX_PLANES]; + u64 rel_data_rate_y[I915_MAX_PLANES]; + + /* Gamma mode programmed on the pipe */ + u32 gamma_mode; + + union { + /* CSC mode programmed on the pipe */ + u32 csc_mode; + + /* CHV CGM mode */ + u32 cgm_mode; + }; + + /* bitmask of logically enabled planes (enum plane_id) */ + u8 enabled_planes; + + /* bitmask of actually visible planes (enum plane_id) */ + u8 active_planes; + u8 scaled_planes; + u8 nv12_planes; + u8 c8_planes; + + /* bitmask of planes that will be updated during the commit */ + u8 update_planes; + + u8 framestart_delay; /* 1-4 */ + u8 msa_timing_delay; /* 0-3 */ + + struct { + u32 enable; + u32 gcp; + union hdmi_infoframe avi; + union hdmi_infoframe spd; + union hdmi_infoframe hdmi; + union hdmi_infoframe drm; + struct drm_dp_vsc_sdp vsc; + } infoframes; + + /* HDMI scrambling status */ + bool hdmi_scrambling; + + /* HDMI High TMDS char rate ratio */ + bool hdmi_high_tmds_clock_ratio; + + /* Output format RGB/YCBCR etc */ + enum intel_output_format output_format; + + /* enable pipe gamma? */ + bool gamma_enable; + + /* enable pipe csc? */ + bool csc_enable; + + /* big joiner pipe bitmask */ + u8 bigjoiner_pipes; + + /* Display Stream compression state */ + struct { + bool compression_enable; + bool dsc_split; + u16 compressed_bpp; + u8 slice_count; + struct drm_dsc_config config; + } dsc; + + /* HSW+ linetime watermarks */ + u16 linetime; + u16 ips_linetime; + + /* Forward Error correction State */ + bool fec_enable; + + /* Pointer to master transcoder in case of tiled displays */ + enum transcoder master_transcoder; + + /* Bitmask to indicate slaves attached */ + u8 sync_mode_slaves_mask; + + /* Only valid on TGL+ */ + enum transcoder mst_master_transcoder; + + /* For DSB related info */ + struct intel_dsb *dsb; + + u32 psr2_man_track_ctl; + + /* Variable Refresh Rate state */ + struct { + bool enable; + u8 pipeline_full; + u16 flipline, vmin, vmax, guardband; + } vrr; + + /* Stream Splitter for eDP MSO */ + struct { + bool enable; + u8 link_count; + u8 pixel_overlap; + } splitter; + + /* for loading single buffered registers during vblank */ + struct drm_vblank_work vblank_work; +}; + +enum intel_pipe_crc_source { + INTEL_PIPE_CRC_SOURCE_NONE, + INTEL_PIPE_CRC_SOURCE_PLANE1, + INTEL_PIPE_CRC_SOURCE_PLANE2, + INTEL_PIPE_CRC_SOURCE_PLANE3, + INTEL_PIPE_CRC_SOURCE_PLANE4, + INTEL_PIPE_CRC_SOURCE_PLANE5, + INTEL_PIPE_CRC_SOURCE_PLANE6, + INTEL_PIPE_CRC_SOURCE_PLANE7, + INTEL_PIPE_CRC_SOURCE_PIPE, + /* TV/DP on pre-gen5/vlv can't use the pipe source. */ + INTEL_PIPE_CRC_SOURCE_TV, + INTEL_PIPE_CRC_SOURCE_DP_B, + INTEL_PIPE_CRC_SOURCE_DP_C, + INTEL_PIPE_CRC_SOURCE_DP_D, + INTEL_PIPE_CRC_SOURCE_AUTO, + INTEL_PIPE_CRC_SOURCE_MAX, +}; + +enum drrs_refresh_rate { + DRRS_REFRESH_RATE_HIGH, + DRRS_REFRESH_RATE_LOW, +}; + +#define INTEL_PIPE_CRC_ENTRIES_NR 128 +struct intel_pipe_crc { + spinlock_t lock; + int skipped; + enum intel_pipe_crc_source source; +}; + +struct intel_crtc { + struct drm_crtc base; + enum pipe pipe; + /* + * Whether the crtc and the connected output pipeline is active. Implies + * that crtc->enabled is set, i.e. the current mode configuration has + * some outputs connected to this crtc. + */ + bool active; + u8 plane_ids_mask; + + /* I915_MODE_FLAG_* */ + u8 mode_flags; + + u16 vmax_vblank_start; + + struct intel_display_power_domain_set enabled_power_domains; + struct intel_overlay *overlay; + + struct intel_crtc_state *config; + + /* Access to these should be protected by dev_priv->irq_lock. */ + bool cpu_fifo_underrun_disabled; + bool pch_fifo_underrun_disabled; + + /* per-pipe watermark state */ + struct { + /* watermarks currently being used */ + union { + struct intel_pipe_wm ilk; + struct vlv_wm_state vlv; + struct g4x_wm_state g4x; + } active; + } wm; + + struct { + struct mutex mutex; + struct delayed_work work; + enum drrs_refresh_rate refresh_rate; + unsigned int frontbuffer_bits; + unsigned int busy_frontbuffer_bits; + enum transcoder cpu_transcoder; + struct intel_link_m_n m_n, m2_n2; + } drrs; + + int scanline_offset; + + struct { + unsigned start_vbl_count; + ktime_t start_vbl_time; + int min_vbl, max_vbl; + int scanline_start; +#ifdef CONFIG_DRM_I915_DEBUG_VBLANK_EVADE + struct { + u64 min; + u64 max; + u64 sum; + unsigned int over; + unsigned int times[17]; /* [1us, 16ms] */ + } vbl; +#endif + } debug; + + /* scalers available on this crtc */ + int num_scalers; + + /* for loading single buffered registers during vblank */ + struct pm_qos_request vblank_pm_qos; + +#ifdef CONFIG_DEBUG_FS + struct intel_pipe_crc pipe_crc; +#endif +}; + +struct intel_plane { + struct drm_plane base; + enum i9xx_plane_id i9xx_plane; + enum plane_id id; + enum pipe pipe; + bool need_async_flip_disable_wa; + u32 frontbuffer_bit; + + struct { + u32 base, cntl, size; + } cursor; + + struct intel_fbc *fbc; + + /* + * NOTE: Do not place new plane state fields here (e.g., when adding + * new plane properties). New runtime state should now be placed in + * the intel_plane_state structure and accessed via plane_state. + */ + + int (*min_width)(const struct drm_framebuffer *fb, + int color_plane, + unsigned int rotation); + int (*max_width)(const struct drm_framebuffer *fb, + int color_plane, + unsigned int rotation); + int (*max_height)(const struct drm_framebuffer *fb, + int color_plane, + unsigned int rotation); + unsigned int (*max_stride)(struct intel_plane *plane, + u32 pixel_format, u64 modifier, + unsigned int rotation); + /* Write all non-self arming plane registers */ + void (*update_noarm)(struct intel_plane *plane, + const struct intel_crtc_state *crtc_state, + const struct intel_plane_state *plane_state); + /* Write all self-arming plane registers */ + void (*update_arm)(struct intel_plane *plane, + const struct intel_crtc_state *crtc_state, + const struct intel_plane_state *plane_state); + /* Disable the plane, must arm */ + void (*disable_arm)(struct intel_plane *plane, + const struct intel_crtc_state *crtc_state); + bool (*get_hw_state)(struct intel_plane *plane, enum pipe *pipe); + int (*check_plane)(struct intel_crtc_state *crtc_state, + struct intel_plane_state *plane_state); + int (*min_cdclk)(const struct intel_crtc_state *crtc_state, + const struct intel_plane_state *plane_state); + void (*async_flip)(struct intel_plane *plane, + const struct intel_crtc_state *crtc_state, + const struct intel_plane_state *plane_state, + bool async_flip); + void (*enable_flip_done)(struct intel_plane *plane); + void (*disable_flip_done)(struct intel_plane *plane); +}; + +struct intel_watermark_params { + u16 fifo_size; + u16 max_wm; + u8 default_wm; + u8 guard_size; + u8 cacheline_size; +}; + +struct cxsr_latency { + bool is_desktop : 1; + bool is_ddr3 : 1; + u16 fsb_freq; + u16 mem_freq; + u16 display_sr; + u16 display_hpll_disable; + u16 cursor_sr; + u16 cursor_hpll_disable; +}; + +#define to_intel_atomic_state(x) container_of(x, struct intel_atomic_state, base) +#define to_intel_crtc(x) container_of(x, struct intel_crtc, base) +#define to_intel_crtc_state(x) container_of(x, struct intel_crtc_state, uapi) +#define to_intel_connector(x) container_of(x, struct intel_connector, base) +#define to_intel_encoder(x) container_of(x, struct intel_encoder, base) +#define to_intel_framebuffer(x) container_of(x, struct intel_framebuffer, base) +#define to_intel_plane(x) container_of(x, struct intel_plane, base) +#define to_intel_plane_state(x) container_of(x, struct intel_plane_state, uapi) +#define intel_fb_obj(x) ((x) ? to_intel_bo((x)->obj[0]) : NULL) + +struct intel_hdmi { + i915_reg_t hdmi_reg; + int ddc_bus; + struct { + enum drm_dp_dual_mode_type type; + int max_tmds_clock; + } dp_dual_mode; + bool has_hdmi_sink; + bool has_audio; + struct intel_connector *attached_connector; + struct cec_notifier *cec_notifier; +}; + +struct intel_dp_mst_encoder; + +struct intel_dp_compliance_data { + unsigned long edid; + u8 video_pattern; + u16 hdisplay, vdisplay; + u8 bpc; + struct drm_dp_phy_test_params phytest; +}; + +struct intel_dp_compliance { + unsigned long test_type; + struct intel_dp_compliance_data test_data; + bool test_active; + int test_link_rate; + u8 test_lane_count; +}; + +struct intel_dp_pcon_frl { + bool is_trained; + int trained_rate_gbps; +}; + +struct intel_pps { + int panel_power_up_delay; + int panel_power_down_delay; + int panel_power_cycle_delay; + int backlight_on_delay; + int backlight_off_delay; + struct delayed_work panel_vdd_work; + bool want_panel_vdd; + unsigned long last_power_on; + unsigned long last_backlight_off; + ktime_t panel_power_off_time; + intel_wakeref_t vdd_wakeref; + + /* + * Pipe whose power sequencer is currently locked into + * this port. Only relevant on VLV/CHV. + */ + enum pipe pps_pipe; + /* + * Pipe currently driving the port. Used for preventing + * the use of the PPS for any pipe currentrly driving + * external DP as that will mess things up on VLV. + */ + enum pipe active_pipe; + /* + * Set if the sequencer may be reset due to a power transition, + * requiring a reinitialization. Only relevant on BXT. + */ + bool pps_reset; + struct edp_power_seq pps_delays; +}; + +struct intel_psr { + /* Mutex for PSR state of the transcoder */ + struct mutex lock; + +#define I915_PSR_DEBUG_MODE_MASK 0x0f +#define I915_PSR_DEBUG_DEFAULT 0x00 +#define I915_PSR_DEBUG_DISABLE 0x01 +#define I915_PSR_DEBUG_ENABLE 0x02 +#define I915_PSR_DEBUG_FORCE_PSR1 0x03 +#define I915_PSR_DEBUG_ENABLE_SEL_FETCH 0x4 +#define I915_PSR_DEBUG_IRQ 0x10 + + u32 debug; + bool sink_support; + bool source_support; + bool enabled; + bool paused; + enum pipe pipe; + enum transcoder transcoder; + bool active; + struct work_struct work; + unsigned int busy_frontbuffer_bits; + bool sink_psr2_support; + bool link_standby; + bool colorimetry_support; + bool psr2_enabled; + bool psr2_sel_fetch_enabled; + bool psr2_sel_fetch_cff_enabled; + bool req_psr2_sdp_prior_scanline; + u8 sink_sync_latency; + ktime_t last_entry_attempt; + ktime_t last_exit; + bool sink_not_reliable; + bool irq_aux_error; + u16 su_w_granularity; + u16 su_y_granularity; + u32 dc3co_exitline; + u32 dc3co_exit_delay; + struct delayed_work dc3co_work; +}; + +struct intel_dp { + i915_reg_t output_reg; + u32 DP; + int link_rate; + u8 lane_count; + u8 sink_count; + bool link_trained; + bool has_hdmi_sink; + bool has_audio; + bool reset_link_params; + bool use_max_params; + u8 dpcd[DP_RECEIVER_CAP_SIZE]; + u8 psr_dpcd[EDP_PSR_RECEIVER_CAP_SIZE]; + u8 downstream_ports[DP_MAX_DOWNSTREAM_PORTS]; + u8 edp_dpcd[EDP_DISPLAY_CTL_CAP_SIZE]; + u8 dsc_dpcd[DP_DSC_RECEIVER_CAP_SIZE]; + u8 lttpr_common_caps[DP_LTTPR_COMMON_CAP_SIZE]; + u8 lttpr_phy_caps[DP_MAX_LTTPR_COUNT][DP_LTTPR_PHY_CAP_SIZE]; + u8 fec_capable; + u8 pcon_dsc_dpcd[DP_PCON_DSC_ENCODER_CAP_SIZE]; + /* source rates */ + int num_source_rates; + const int *source_rates; + /* sink rates as reported by DP_MAX_LINK_RATE/DP_SUPPORTED_LINK_RATES */ + int num_sink_rates; + int sink_rates[DP_MAX_SUPPORTED_RATES]; + bool use_rate_select; + /* Max sink lane count as reported by DP_MAX_LANE_COUNT */ + int max_sink_lane_count; + /* intersection of source and sink rates */ + int num_common_rates; + int common_rates[DP_MAX_SUPPORTED_RATES]; + /* Max lane count for the current link */ + int max_link_lane_count; + /* Max rate for the current link */ + int max_link_rate; + int mso_link_count; + int mso_pixel_overlap; + /* sink or branch descriptor */ + struct drm_dp_desc desc; + struct drm_dp_aux aux; + u32 aux_busy_last_status; + u8 train_set[4]; + + struct intel_pps pps; + + bool is_mst; + int active_mst_links; + + /* connector directly attached - won't be use for modeset in mst world */ + struct intel_connector *attached_connector; + + /* mst connector list */ + struct intel_dp_mst_encoder *mst_encoders[I915_MAX_PIPES]; + struct drm_dp_mst_topology_mgr mst_mgr; + + u32 (*get_aux_clock_divider)(struct intel_dp *dp, int index); + /* + * This function returns the value we have to program the AUX_CTL + * register with to kick off an AUX transaction. + */ + u32 (*get_aux_send_ctl)(struct intel_dp *dp, int send_bytes, + u32 aux_clock_divider); + + i915_reg_t (*aux_ch_ctl_reg)(struct intel_dp *dp); + i915_reg_t (*aux_ch_data_reg)(struct intel_dp *dp, int index); + + /* This is called before a link training is starterd */ + void (*prepare_link_retrain)(struct intel_dp *intel_dp, + const struct intel_crtc_state *crtc_state); + void (*set_link_train)(struct intel_dp *intel_dp, + const struct intel_crtc_state *crtc_state, + u8 dp_train_pat); + void (*set_idle_link_train)(struct intel_dp *intel_dp, + const struct intel_crtc_state *crtc_state); + + u8 (*preemph_max)(struct intel_dp *intel_dp); + u8 (*voltage_max)(struct intel_dp *intel_dp, + const struct intel_crtc_state *crtc_state); + + /* Displayport compliance testing */ + struct intel_dp_compliance compliance; + + /* Downstream facing port caps */ + struct { + int min_tmds_clock, max_tmds_clock; + int max_dotclock; + int pcon_max_frl_bw; + u8 max_bpc; + bool ycbcr_444_to_420; + bool rgb_to_ycbcr; + } dfp; + + /* To control wakeup latency, e.g. for irq-driven dp aux transfers. */ + struct pm_qos_request pm_qos; + + /* Display stream compression testing */ + bool force_dsc_en; + int force_dsc_bpp; + + bool hobl_failed; + bool hobl_active; + + struct intel_dp_pcon_frl frl; + + struct intel_psr psr; + + /* When we last wrote the OUI for eDP */ + unsigned long last_oui_write; +}; + +enum lspcon_vendor { + LSPCON_VENDOR_MCA, + LSPCON_VENDOR_PARADE +}; + +struct intel_lspcon { + bool active; + bool hdr_supported; + enum drm_lspcon_mode mode; + enum lspcon_vendor vendor; +}; + +struct intel_digital_port { + struct intel_encoder base; + u32 saved_port_bits; + struct intel_dp dp; + struct intel_hdmi hdmi; + struct intel_lspcon lspcon; + enum irqreturn (*hpd_pulse)(struct intel_digital_port *, bool); + bool release_cl2_override; + u8 max_lanes; + /* Used for DP and ICL+ TypeC/DP and TypeC/HDMI ports. */ + enum aux_ch aux_ch; + enum intel_display_power_domain ddi_io_power_domain; + intel_wakeref_t ddi_io_wakeref; + intel_wakeref_t aux_wakeref; + + struct mutex tc_lock; /* protects the TypeC port mode */ + intel_wakeref_t tc_lock_wakeref; + enum intel_display_power_domain tc_lock_power_domain; + struct delayed_work tc_disconnect_phy_work; + int tc_link_refcount; + bool tc_legacy_port:1; + char tc_port_name[8]; + enum tc_port_mode tc_mode; + enum phy_fia tc_phy_fia; + u8 tc_phy_fia_idx; + + /* protects num_hdcp_streams reference count, hdcp_port_data and hdcp_auth_status */ + struct mutex hdcp_mutex; + /* the number of pipes using HDCP signalling out of this port */ + unsigned int num_hdcp_streams; + /* port HDCP auth status */ + bool hdcp_auth_status; + /* HDCP port data need to pass to security f/w */ + struct hdcp_port_data hdcp_port_data; + /* Whether the MST topology supports HDCP Type 1 Content */ + bool hdcp_mst_type1_capable; + + void (*write_infoframe)(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state, + unsigned int type, + const void *frame, ssize_t len); + void (*read_infoframe)(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state, + unsigned int type, + void *frame, ssize_t len); + void (*set_infoframes)(struct intel_encoder *encoder, + bool enable, + const struct intel_crtc_state *crtc_state, + const struct drm_connector_state *conn_state); + u32 (*infoframes_enabled)(struct intel_encoder *encoder, + const struct intel_crtc_state *pipe_config); + bool (*connected)(struct intel_encoder *encoder); +}; + +struct intel_dp_mst_encoder { + struct intel_encoder base; + enum pipe pipe; + struct intel_digital_port *primary; + struct intel_connector *connector; +}; + +static inline enum dpio_channel +vlv_dig_port_to_channel(struct intel_digital_port *dig_port) +{ + switch (dig_port->base.port) { + case PORT_B: + case PORT_D: + return DPIO_CH0; + case PORT_C: + return DPIO_CH1; + default: + BUG(); + } +} + +static inline enum dpio_phy +vlv_dig_port_to_phy(struct intel_digital_port *dig_port) +{ + switch (dig_port->base.port) { + case PORT_B: + case PORT_C: + return DPIO_PHY0; + case PORT_D: + return DPIO_PHY1; + default: + BUG(); + } +} + +static inline enum dpio_channel +vlv_pipe_to_channel(enum pipe pipe) +{ + switch (pipe) { + case PIPE_A: + case PIPE_C: + return DPIO_CH0; + case PIPE_B: + return DPIO_CH1; + default: + BUG(); + } +} + +struct intel_load_detect_pipe { + struct drm_atomic_state *restore_state; +}; + +static inline struct intel_encoder * +intel_attached_encoder(struct intel_connector *connector) +{ + return connector->encoder; +} + +static inline bool intel_encoder_is_dig_port(struct intel_encoder *encoder) +{ + switch (encoder->type) { + case INTEL_OUTPUT_DDI: + case INTEL_OUTPUT_DP: + case INTEL_OUTPUT_EDP: + case INTEL_OUTPUT_HDMI: + return true; + default: + return false; + } +} + +static inline bool intel_encoder_is_mst(struct intel_encoder *encoder) +{ + return encoder->type == INTEL_OUTPUT_DP_MST; +} + +static inline struct intel_dp_mst_encoder * +enc_to_mst(struct intel_encoder *encoder) +{ + return container_of(&encoder->base, struct intel_dp_mst_encoder, + base.base); +} + +static inline struct intel_digital_port * +enc_to_dig_port(struct intel_encoder *encoder) +{ + struct intel_encoder *intel_encoder = encoder; + + if (intel_encoder_is_dig_port(intel_encoder)) + return container_of(&encoder->base, struct intel_digital_port, + base.base); + else if (intel_encoder_is_mst(intel_encoder)) + return enc_to_mst(encoder)->primary; + else + return NULL; +} + +static inline struct intel_digital_port * +intel_attached_dig_port(struct intel_connector *connector) +{ + return enc_to_dig_port(intel_attached_encoder(connector)); +} + +static inline struct intel_hdmi * +enc_to_intel_hdmi(struct intel_encoder *encoder) +{ + return &enc_to_dig_port(encoder)->hdmi; +} + +static inline struct intel_hdmi * +intel_attached_hdmi(struct intel_connector *connector) +{ + return enc_to_intel_hdmi(intel_attached_encoder(connector)); +} + +static inline struct intel_dp *enc_to_intel_dp(struct intel_encoder *encoder) +{ + return &enc_to_dig_port(encoder)->dp; +} + +static inline struct intel_dp *intel_attached_dp(struct intel_connector *connector) +{ + return enc_to_intel_dp(intel_attached_encoder(connector)); +} + +static inline bool intel_encoder_is_dp(struct intel_encoder *encoder) +{ + switch (encoder->type) { + case INTEL_OUTPUT_DP: + case INTEL_OUTPUT_EDP: + return true; + case INTEL_OUTPUT_DDI: + /* Skip pure HDMI/DVI DDI encoders */ + return i915_mmio_reg_valid(enc_to_intel_dp(encoder)->output_reg); + default: + return false; + } +} + +static inline struct intel_lspcon * +enc_to_intel_lspcon(struct intel_encoder *encoder) +{ + return &enc_to_dig_port(encoder)->lspcon; +} + +static inline struct intel_digital_port * +dp_to_dig_port(struct intel_dp *intel_dp) +{ + return container_of(intel_dp, struct intel_digital_port, dp); +} + +static inline struct intel_lspcon * +dp_to_lspcon(struct intel_dp *intel_dp) +{ + return &dp_to_dig_port(intel_dp)->lspcon; +} + +#define dp_to_i915(__intel_dp) to_i915(dp_to_dig_port(__intel_dp)->base.base.dev) + +#define CAN_PSR(intel_dp) ((intel_dp)->psr.sink_support && \ + (intel_dp)->psr.source_support) + +static inline bool intel_encoder_can_psr(struct intel_encoder *encoder) +{ + if (!intel_encoder_is_dp(encoder)) + return false; + + return CAN_PSR(enc_to_intel_dp(encoder)); +} + +static inline struct intel_digital_port * +hdmi_to_dig_port(struct intel_hdmi *intel_hdmi) +{ + return container_of(intel_hdmi, struct intel_digital_port, hdmi); +} + +static inline struct intel_plane_state * +intel_atomic_get_plane_state(struct intel_atomic_state *state, + struct intel_plane *plane) +{ + struct drm_plane_state *ret = + drm_atomic_get_plane_state(&state->base, &plane->base); + + if (IS_ERR(ret)) + return ERR_CAST(ret); + + return to_intel_plane_state(ret); +} + +static inline struct intel_plane_state * +intel_atomic_get_old_plane_state(struct intel_atomic_state *state, + struct intel_plane *plane) +{ + return to_intel_plane_state(drm_atomic_get_old_plane_state(&state->base, + &plane->base)); +} + +static inline struct intel_plane_state * +intel_atomic_get_new_plane_state(struct intel_atomic_state *state, + struct intel_plane *plane) +{ + return to_intel_plane_state(drm_atomic_get_new_plane_state(&state->base, + &plane->base)); +} + +static inline struct intel_crtc_state * +intel_atomic_get_old_crtc_state(struct intel_atomic_state *state, + struct intel_crtc *crtc) +{ + return to_intel_crtc_state(drm_atomic_get_old_crtc_state(&state->base, + &crtc->base)); +} + +static inline struct intel_crtc_state * +intel_atomic_get_new_crtc_state(struct intel_atomic_state *state, + struct intel_crtc *crtc) +{ + return to_intel_crtc_state(drm_atomic_get_new_crtc_state(&state->base, + &crtc->base)); +} + +static inline struct intel_digital_connector_state * +intel_atomic_get_new_connector_state(struct intel_atomic_state *state, + struct intel_connector *connector) +{ + return to_intel_digital_connector_state( + drm_atomic_get_new_connector_state(&state->base, + &connector->base)); +} + +static inline struct intel_digital_connector_state * +intel_atomic_get_old_connector_state(struct intel_atomic_state *state, + struct intel_connector *connector) +{ + return to_intel_digital_connector_state( + drm_atomic_get_old_connector_state(&state->base, + &connector->base)); +} + +/* intel_display.c */ +static inline bool +intel_crtc_has_type(const struct intel_crtc_state *crtc_state, + enum intel_output_type type) +{ + return crtc_state->output_types & (1 << type); +} +static inline bool +intel_crtc_has_dp_encoder(const struct intel_crtc_state *crtc_state) +{ + return crtc_state->output_types & + ((1 << INTEL_OUTPUT_DP) | + (1 << INTEL_OUTPUT_DP_MST) | + (1 << INTEL_OUTPUT_EDP)); +} + +static inline bool +intel_crtc_needs_modeset(const struct intel_crtc_state *crtc_state) +{ + return drm_atomic_crtc_needs_modeset(&crtc_state->uapi); +} + +static inline u32 intel_plane_ggtt_offset(const struct intel_plane_state *plane_state) +{ + return i915_ggtt_offset(plane_state->ggtt_vma); +} + +static inline struct intel_frontbuffer * +to_intel_frontbuffer(struct drm_framebuffer *fb) +{ + return fb ? to_intel_framebuffer(fb)->frontbuffer : NULL; +} + +#endif /* __INTEL_DISPLAY_TYPES_H__ */ |