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 | 1525 |
1 files changed, 1525 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..449abaea619f --- /dev/null +++ b/drivers/gpu/drm/i915/display/intel_display_types.h @@ -0,0 +1,1525 @@ +/* + * 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/async.h> +#include <linux/i2c.h> +#include <linux/sched/clock.h> + +#include <drm/drm_atomic.h> +#include <drm/drm_crtc.h> +#include <drm/drm_dp_dual_mode_helper.h> +#include <drm/drm_dp_mst_helper.h> +#include <drm/drm_encoder.h> +#include <drm/drm_fb_helper.h> +#include <drm/drm_probe_helper.h> +#include <drm/drm_rect.h> +#include <drm/drm_vblank.h> +#include <drm/i915_drm.h> +#include <drm/i915_mei_hdcp_interface.h> +#include <media/cec-notifier.h> + +#include "i915_drv.h" + +struct drm_printer; + +/* + * 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_framebuffer { + struct drm_framebuffer base; + struct intel_frontbuffer *frontbuffer; + struct intel_rotation_info rot_info; + + /* for each plane in the normal GTT view */ + struct { + unsigned int x, y; + } normal[2]; + /* for each plane in the rotated GTT view */ + struct { + unsigned int x, y; + unsigned int pitch; /* pixels */ + } rotated[2]; +}; + +struct intel_fbdev { + struct drm_fb_helper helper; + struct intel_framebuffer *fb; + struct i915_vma *vma; + unsigned long vma_flags; + async_cookie_t cookie; + int preferred_bpp; + + /* Whether or not fbdev hpd processing is temporarily suspended */ + bool hpd_suspended : 1; + /* Set when a hotplug was received while HPD processing was + * suspended + */ + bool hpd_waiting : 1; + + /* Protects hpd_suspended */ + struct mutex hpd_lock; +}; + +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; + unsigned int cloneable; + enum intel_hotplug_state (*hotplug)(struct intel_encoder *encoder, + struct intel_connector *connector, + bool irq_received); + 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 *); + void (*update_prepare)(struct intel_atomic_state *, + struct intel_encoder *, + struct intel_crtc *); + void (*pre_pll_enable)(struct intel_encoder *, + const struct intel_crtc_state *, + const struct drm_connector_state *); + void (*pre_enable)(struct intel_encoder *, + const struct intel_crtc_state *, + const struct drm_connector_state *); + void (*enable)(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_encoder *, + const struct intel_crtc_state *, + const struct drm_connector_state *); + void (*post_disable)(struct intel_encoder *, + const struct intel_crtc_state *, + const struct drm_connector_state *); + void (*post_pll_disable)(struct intel_encoder *, + const struct intel_crtc_state *, + const struct drm_connector_state *); + void (*update_pipe)(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); + /* + * 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 *); + int crtc_mask; + 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; +}; + +struct intel_panel { + struct drm_display_mode *fixed_mode; + struct drm_display_mode *downclock_mode; + + /* 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 */ + bool util_pin_active_low; /* bxt+ */ + u8 controller; /* bxt+ only */ + struct pwm_device *pwm; + + struct backlight_device *device; + + /* Connector and platform specific backlight functions */ + int (*setup)(struct intel_connector *connector, enum pipe pipe); + u32 (*get)(struct intel_connector *connector); + void (*set)(const struct drm_connector_state *conn_state, u32 level); + void (*disable)(const struct drm_connector_state *conn_state); + void (*enable)(const struct intel_crtc_state *crtc_state, + const struct drm_connector_state *conn_state); + u32 (*hz_to_pwm)(struct intel_connector *connector, u32 hz); + 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 *intel_dig_port, u8 *an); + + /* Reads the receiver's key selection vector */ + int (*read_bksv)(struct intel_digital_port *intel_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 *intel_dig_port, + u8 *bstatus); + + /* Determines whether a repeater is present downstream */ + int (*repeater_present)(struct intel_digital_port *intel_dig_port, + bool *repeater_present); + + /* Reads the receiver's Ri' value */ + int (*read_ri_prime)(struct intel_digital_port *intel_dig_port, u8 *ri); + + /* Determines if the receiver's KSV FIFO is ready for consumption */ + int (*read_ksv_ready)(struct intel_digital_port *intel_dig_port, + bool *ksv_ready); + + /* Reads the ksv fifo for num_downstream devices */ + int (*read_ksv_fifo)(struct intel_digital_port *intel_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 *intel_dig_port, + int i, u32 *part); + + /* Enables HDCP signalling on the port */ + int (*toggle_signalling)(struct intel_digital_port *intel_dig_port, + bool enable); + + /* Ensures the link is still protected */ + bool (*check_link)(struct intel_digital_port *intel_dig_port); + + /* Detects panel's hdcp capability. This is optional for HDMI. */ + int (*hdcp_capable)(struct intel_digital_port *intel_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 *intel_dig_port, + bool *capable); + + /* Write HDCP2.2 messages */ + int (*write_2_2_msg)(struct intel_digital_port *intel_dig_port, + void *buf, size_t size); + + /* Read HDCP2.2 messages */ + int (*read_2_2_msg)(struct intel_digital_port *intel_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 *intel_dig_port, + bool is_repeater, u8 type); + + /* HDCP2.2 Link Integrity Check */ + int (*check_2_2_link)(struct intel_digital_port *intel_dig_port); +}; + +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; + struct hdcp_port_data port_data; + + 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; +}; + +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; + + /* 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; + + void *port; /* store this opaque as its illegal to dereference it */ + + 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 { + /* + * Logical state of cdclk (used for all scaling, watermark, + * etc. calculations and checks). This is computed as if all + * enabled crtcs were active. + */ + struct intel_cdclk_state logical; + + /* + * Actual state of cdclk, can be different from the logical + * state only when all crtc's are DPMS off. + */ + struct intel_cdclk_state actual; + + int force_min_cdclk; + bool force_min_cdclk_changed; + /* pipe to which cd2x update is synchronized */ + enum pipe pipe; + } cdclk; + + bool dpll_set, modeset; + + /* + * Does this transaction change the pipes that are active? This mask + * tracks which CRTC's have changed their active state at the end of + * the transaction (not counting the temporary disable during modesets). + * This mask should only be non-zero when intel_state->modeset is true, + * but the converse is not necessarily true; simply changing a mode may + * not flip the final active status of any CRTC's + */ + unsigned int active_pipe_changes; + + unsigned int active_crtcs; + /* minimum acceptable cdclk for each pipe */ + int min_cdclk[I915_MAX_PIPES]; + /* minimum acceptable voltage level for each pipe */ + u8 min_voltage_level[I915_MAX_PIPES]; + + 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; + + /* Gen9+ only */ + struct skl_ddb_values wm_results; + + struct i915_sw_fence commit_ready; + + struct llist_node freed; +}; + +struct intel_plane_state { + struct drm_plane_state base; + struct i915_ggtt_view view; + struct i915_vma *vma; + unsigned long flags; +#define PLANE_HAS_FENCE BIT(0) + + struct { + u32 offset; + /* + * Plane stride in: + * bytes for 0/180 degree rotation + * pixels for 90/270 degree rotation + */ + u32 stride; + int x, y; + } color_plane[2]; + + /* plane control register */ + u32 ctl; + + /* plane color control register */ + u32 color_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; + + /* + * 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 *linked_plane; + + /* + * 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 slave; + + struct drm_intel_sprite_colorkey ckey; +}; + +struct intel_initial_plane_config { + struct intel_framebuffer *fb; + 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; +}; + +/* drm_mode->private_flags */ +#define I915_MODE_FLAG_INHERITED (1<<0) +/* 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) + +struct intel_pipe_wm { + struct intel_wm_level wm[5]; + u32 linetime; + bool fbc_wm_enabled; + bool pipe_enabled; + bool sprites_enabled; + bool sprites_scaled; +}; + +struct skl_plane_wm { + struct skl_wm_level wm[8]; + struct skl_wm_level uv_wm[8]; + struct skl_wm_level trans_wm; + bool is_planar; +}; + +struct skl_pipe_wm { + struct skl_plane_wm planes[I915_MAX_PLANES]; + u32 linetime; +}; + +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 { + struct { + /* + * Intermediate watermarks; these can be + * programmed immediately since they satisfy + * both the current configuration we're + * switching away from and the new + * configuration we're switching to. + */ + struct intel_pipe_wm intermediate; + + /* + * Optimal watermarks, programmed post-vblank + * when this state is committed. + */ + struct intel_pipe_wm optimal; + } ilk; + + struct { + /* gen9+ only needs 1-step wm programming */ + struct skl_pipe_wm optimal; + struct skl_ddb_entry ddb; + struct skl_ddb_entry plane_ddb_y[I915_MAX_PLANES]; + struct skl_ddb_entry plane_ddb_uv[I915_MAX_PLANES]; + } skl; + + struct { + /* "raw" watermarks (not inverted) */ + struct g4x_pipe_wm raw[NUM_VLV_WM_LEVELS]; + /* intermediate watermarks (inverted) */ + struct vlv_wm_state intermediate; + /* optimal watermarks (inverted) */ + struct vlv_wm_state optimal; + /* display FIFO split */ + struct vlv_fifo_state fifo_state; + } vlv; + + struct { + /* "raw" watermarks */ + struct g4x_pipe_wm raw[NUM_G4X_WM_LEVELS]; + /* intermediate watermarks */ + struct g4x_wm_state intermediate; + /* optimal watermarks */ + 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_INVALID, + INTEL_OUTPUT_FORMAT_RGB, + INTEL_OUTPUT_FORMAT_YCBCR420, + INTEL_OUTPUT_FORMAT_YCBCR444, +}; + +struct intel_crtc_state { + struct drm_crtc_state base; + + /** + * 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 fb_changed; /* fb on any of the planes is changed */ + bool fifo_changed; /* FIFO split is changed */ + + /* Pipe source size (ie. panel fitter input size) + * All planes will be positioned inside this space, + * and get clipped at the edges. */ + int pipe_src_w, pipe_src_h; + + /* + * 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. */ + struct intel_dpll_hw_state dpll_hw_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; + + bool has_psr; + bool has_psr2; + + /* + * 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; + + 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 { + u32 pos; + u32 size; + 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 enable_fbc; + + 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; + + u32 data_rate[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 visible planes (enum plane_id) */ + u8 active_planes; + u8 nv12_planes; + u8 c8_planes; + + /* bitmask of planes that will be updated during the commit */ + u8 update_planes; + + struct { + u32 enable; + u32 gcp; + union hdmi_infoframe avi; + union hdmi_infoframe spd; + union hdmi_infoframe hdmi; + union hdmi_infoframe drm; + } 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; + + /* Output down scaling is done in LSPCON device */ + bool lspcon_downsampling; + + /* enable pipe gamma? */ + bool gamma_enable; + + /* enable pipe csc? */ + bool csc_enable; + + /* Display Stream compression state */ + struct { + bool compression_enable; + bool dsc_split; + u16 compressed_bpp; + u8 slice_count; + } dsc_params; + struct drm_dsc_config dp_dsc_cfg; + + /* Forward Error correction State */ + bool fec_enable; +}; + +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; + unsigned long long 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; + + int scanline_offset; + + struct { + unsigned start_vbl_count; + ktime_t start_vbl_time; + int min_vbl, max_vbl; + int scanline_start; + } debug; + + /* scalers available on this crtc */ + int num_scalers; +}; + +struct intel_plane { + struct drm_plane base; + enum i9xx_plane_id i9xx_plane; + enum plane_id id; + enum pipe pipe; + bool has_fbc; + bool has_ccs; + u32 frontbuffer_bit; + + struct { + u32 base, cntl, size; + } cursor; + + /* + * 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. + */ + + unsigned int (*max_stride)(struct intel_plane *plane, + u32 pixel_format, u64 modifier, + unsigned int rotation); + void (*update_plane)(struct intel_plane *plane, + const struct intel_crtc_state *crtc_state, + const struct intel_plane_state *plane_state); + void (*update_slave)(struct intel_plane *plane, + const struct intel_crtc_state *crtc_state, + const struct intel_plane_state *plane_state); + void (*disable_plane)(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); +}; + +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, base) +#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, base) +#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; +#define DP_MAX_DOWNSTREAM_PORTS 0x10 + +/* + * enum link_m_n_set: + * When platform provides two set of M_N registers for dp, we can + * program them and switch between them incase of DRRS. + * But When only one such register is provided, we have to program the + * required divider value on that registers itself based on the DRRS state. + * + * M1_N1 : Program dp_m_n on M1_N1 registers + * dp_m2_n2 on M2_N2 registers (If supported) + * + * M2_N2 : Program dp_m2_n2 on M1_N1 registers + * M2_N2 registers are not supported + */ + +enum link_m_n_set { + /* Sets the m1_n1 and m2_n2 */ + M1_N1 = 0, + M2_N2 +}; + +struct intel_dp_compliance_data { + unsigned long edid; + u8 video_pattern; + u16 hdisplay, vdisplay; + u8 bpc; +}; + +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 { + i915_reg_t output_reg; + u32 DP; + int link_rate; + u8 lane_count; + u8 sink_count; + bool link_mst; + bool link_trained; + bool has_audio; + bool reset_link_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 fec_capable; + /* 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; + /* 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; + /* sink or branch descriptor */ + struct drm_dp_desc desc; + struct drm_dp_aux aux; + u8 train_set[4]; + 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; + + struct notifier_block edp_notifier; + + /* + * 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; + + bool can_mst; /* this port supports mst */ + 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); + + /* Displayport compliance testing */ + struct intel_dp_compliance compliance; + + /* Display stream compression testing */ + bool force_dsc_en; +}; + +enum lspcon_vendor { + LSPCON_VENDOR_MCA, + LSPCON_VENDOR_PARADE +}; + +struct intel_lspcon { + bool active; + 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; + struct mutex tc_lock; /* protects the TypeC port mode */ + intel_wakeref_t tc_lock_wakeref; + 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; + + 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); +}; + +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_dport_to_channel(struct intel_digital_port *dport) +{ + switch (dport->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_dport_to_phy(struct intel_digital_port *dport) +{ + switch (dport->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(); + } +} + +static inline struct intel_crtc * +intel_get_crtc_for_pipe(struct drm_i915_private *dev_priv, enum pipe pipe) +{ + return dev_priv->pipe_to_crtc_mapping[pipe]; +} + +static inline struct intel_crtc * +intel_get_crtc_for_plane(struct drm_i915_private *dev_priv, enum i9xx_plane_id plane) +{ + return dev_priv->plane_to_crtc_mapping[plane]; +} + +struct intel_load_detect_pipe { + struct drm_atomic_state *restore_state; +}; + +static inline struct intel_encoder * +intel_attached_encoder(struct drm_connector *connector) +{ + return to_intel_connector(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 struct intel_digital_port * +enc_to_dig_port(struct drm_encoder *encoder) +{ + struct intel_encoder *intel_encoder = to_intel_encoder(encoder); + + if (intel_encoder_is_dig_port(intel_encoder)) + return container_of(encoder, struct intel_digital_port, + base.base); + else + return NULL; +} + +static inline struct intel_digital_port * +conn_to_dig_port(struct intel_connector *connector) +{ + return enc_to_dig_port(&intel_attached_encoder(&connector->base)->base); +} + +static inline struct intel_dp_mst_encoder * +enc_to_mst(struct drm_encoder *encoder) +{ + return container_of(encoder, struct intel_dp_mst_encoder, base.base); +} + +static inline struct intel_dp *enc_to_intel_dp(struct drm_encoder *encoder) +{ + return &enc_to_dig_port(encoder)->dp; +} + +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->base)->output_reg); + default: + return false; + } +} + +static inline struct intel_lspcon * +enc_to_intel_lspcon(struct drm_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; +} + +static inline struct drm_i915_private * +dp_to_i915(struct intel_dp *intel_dp) +{ + return to_i915(dp_to_dig_port(intel_dp)->base.base.dev); +} + +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)); +} + +/* 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 void +intel_wait_for_vblank(struct drm_i915_private *dev_priv, enum pipe pipe) +{ + drm_wait_one_vblank(&dev_priv->drm, pipe); +} +static inline void +intel_wait_for_vblank_if_active(struct drm_i915_private *dev_priv, int pipe) +{ + const struct intel_crtc *crtc = intel_get_crtc_for_pipe(dev_priv, pipe); + + if (crtc->active) + intel_wait_for_vblank(dev_priv, pipe); +} + +static inline u32 intel_plane_ggtt_offset(const struct intel_plane_state *state) +{ + return i915_ggtt_offset(state->vma); +} + +#endif /* __INTEL_DISPLAY_TYPES_H__ */ |