/* * Copyright (c) 2006 Dave Airlie * Copyright (c) 2007-2008 Intel Corporation * Jesse Barnes * * 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_DRV_H__ #define __INTEL_DRV_H__ #include #include #include #include #include #include "i915_drv.h" #include #include #include #include #include #include #include #include /** * _wait_for - magic (register) wait macro * * Does the right thing for modeset paths when run under kdgb or similar atomic * contexts. Note that it's important that we check the condition again after * having timed out, since the timeout could be due to preemption or similar and * we've never had a chance to check the condition before the timeout. * * TODO: When modesetting has fully transitioned to atomic, the below * drm_can_sleep() can be removed and in_atomic()/!in_atomic() asserts * added. */ #define _wait_for(COND, US, W) ({ \ unsigned long timeout__ = jiffies + usecs_to_jiffies(US) + 1; \ int ret__; \ for (;;) { \ bool expired__ = time_after(jiffies, timeout__); \ if (COND) { \ ret__ = 0; \ break; \ } \ if (expired__) { \ ret__ = -ETIMEDOUT; \ break; \ } \ if ((W) && drm_can_sleep()) { \ usleep_range((W), (W)*2); \ } else { \ cpu_relax(); \ } \ } \ ret__; \ }) #define wait_for(COND, MS) _wait_for((COND), (MS) * 1000, 1000) /* If CONFIG_PREEMPT_COUNT is disabled, in_atomic() always reports false. */ #if defined(CONFIG_DRM_I915_DEBUG) && defined(CONFIG_PREEMPT_COUNT) # define _WAIT_FOR_ATOMIC_CHECK(ATOMIC) WARN_ON_ONCE((ATOMIC) && !in_atomic()) #else # define _WAIT_FOR_ATOMIC_CHECK(ATOMIC) do { } while (0) #endif #define _wait_for_atomic(COND, US, ATOMIC) \ ({ \ int cpu, ret, timeout = (US) * 1000; \ u64 base; \ _WAIT_FOR_ATOMIC_CHECK(ATOMIC); \ if (!(ATOMIC)) { \ preempt_disable(); \ cpu = smp_processor_id(); \ } \ base = local_clock(); \ for (;;) { \ u64 now = local_clock(); \ if (!(ATOMIC)) \ preempt_enable(); \ if (COND) { \ ret = 0; \ break; \ } \ if (now - base >= timeout) { \ ret = -ETIMEDOUT; \ break; \ } \ cpu_relax(); \ if (!(ATOMIC)) { \ preempt_disable(); \ if (unlikely(cpu != smp_processor_id())) { \ timeout -= now - base; \ cpu = smp_processor_id(); \ base = local_clock(); \ } \ } \ } \ ret; \ }) #define wait_for_us(COND, US) \ ({ \ int ret__; \ BUILD_BUG_ON(!__builtin_constant_p(US)); \ if ((US) > 10) \ ret__ = _wait_for((COND), (US), 10); \ else \ ret__ = _wait_for_atomic((COND), (US), 0); \ ret__; \ }) #define wait_for_atomic_us(COND, US) \ ({ \ BUILD_BUG_ON(!__builtin_constant_p(US)); \ BUILD_BUG_ON((US) > 50000); \ _wait_for_atomic((COND), (US), 1); \ }) #define wait_for_atomic(COND, MS) wait_for_atomic_us((COND), (MS) * 1000) #define KHz(x) (1000 * (x)) #define MHz(x) KHz(1000 * (x)) /* * Display related stuff */ /* store information about an Ixxx DVO */ /* The i830->i865 use multiple DVOs with multiple i2cs */ /* the i915, i945 have a single sDVO i2c bus - which is different */ #define MAX_OUTPUTS 6 /* maximum connectors per crtcs in the mode set */ /* Maximum cursor sizes */ #define GEN2_CURSOR_WIDTH 64 #define GEN2_CURSOR_HEIGHT 64 #define MAX_CURSOR_WIDTH 256 #define MAX_CURSOR_HEIGHT 256 #define INTEL_I2C_BUS_DVO 1 #define INTEL_I2C_BUS_SDVO 2 /* 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_UNKNOWN = 10, INTEL_OUTPUT_DP_MST = 11, }; #define INTEL_DVO_CHIP_NONE 0 #define INTEL_DVO_CHIP_LVDS 1 #define INTEL_DVO_CHIP_TMDS 2 #define INTEL_DVO_CHIP_TVOUT 4 #define INTEL_DSI_VIDEO_MODE 0 #define INTEL_DSI_COMMAND_MODE 1 struct intel_framebuffer { struct drm_framebuffer base; struct drm_i915_gem_object *obj; 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; async_cookie_t cookie; int preferred_bpp; }; struct intel_encoder { struct drm_encoder base; enum intel_output_type type; enum port port; unsigned int cloneable; void (*hot_plug)(struct intel_encoder *); bool (*compute_config)(struct intel_encoder *, struct intel_crtc_state *, struct drm_connector_state *); void (*pre_pll_enable)(struct intel_encoder *, struct intel_crtc_state *, struct drm_connector_state *); void (*pre_enable)(struct intel_encoder *, struct intel_crtc_state *, struct drm_connector_state *); void (*enable)(struct intel_encoder *, struct intel_crtc_state *, struct drm_connector_state *); void (*disable)(struct intel_encoder *, struct intel_crtc_state *, struct drm_connector_state *); void (*post_disable)(struct intel_encoder *, struct intel_crtc_state *, struct drm_connector_state *); void (*post_pll_disable)(struct intel_encoder *, struct intel_crtc_state *, 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); /* Returns a mask of power domains that need to be referenced as part * of the hardware state readout code. */ u64 (*get_power_domains)(struct intel_encoder *encoder); /* * 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 *alt_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); uint32_t (*get)(struct intel_connector *connector); void (*set)(const struct drm_connector_state *conn_state, uint32_t 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); uint32_t (*hz_to_pwm)(struct intel_connector *connector, uint32_t hz); void (*power)(struct intel_connector *, bool enable); } backlight; }; 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_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; 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; } 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; unsigned int min_pixclk[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; /* Gen9+ only */ struct skl_wm_values wm_results; struct i915_sw_fence commit_ready; struct llist_node freed; }; struct intel_plane_state { struct drm_plane_state base; struct drm_rect clip; struct i915_vma *vma; struct { u32 offset; int x, y; } main; struct { u32 offset; int x, y; } aux; /* plane control register */ u32 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; struct drm_intel_sprite_colorkey ckey; }; struct intel_initial_plane_config { struct intel_framebuffer *fb; unsigned int tiling; int size; u32 base; }; #define SKL_MIN_SRC_W 8 #define SKL_MAX_SRC_W 4096 #define SKL_MIN_SRC_H 8 #define SKL_MAX_SRC_H 4096 #define SKL_MIN_DST_W 8 #define SKL_MAX_DST_W 4096 #define SKL_MIN_DST_H 8 #define SKL_MAX_DST_H 4096 struct intel_scaler { int in_use; uint32_t 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 struct intel_pipe_wm { struct intel_wm_level wm[5]; struct intel_wm_level raw_wm[5]; uint32_t 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 trans_wm; }; struct skl_pipe_wm { struct skl_plane_wm planes[I915_MAX_PLANES]; uint32_t 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]; uint8_t 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; } 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; }; 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; /* 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; /* * Frequence the dpll for the port should run at. Differs from the * adjusted dotclock e.g. for DP or 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; uint8_t lane_count; /* * Used by platforms having DP/HDMI PHY with programmable lane * latency optimization. */ uint8_t lane_lat_optim_mask; /* 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 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; /* Gamma mode programmed on the pipe */ uint32_t gamma_mode; /* bitmask of visible planes (enum plane_id) */ u8 active_planes; /* HDMI scrambling status */ bool hdmi_scrambling; /* HDMI High TMDS char rate ratio */ bool hdmi_high_tmds_clock_ratio; /* output format is YCBCR 4:2:0 */ bool ycbcr420; }; struct intel_crtc { struct drm_crtc base; enum pipe pipe; enum plane plane; /* * 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; bool lowfreq_avail; u8 plane_ids_mask; unsigned long long enabled_power_domains; struct intel_overlay *overlay; /* Display surface base address adjustement for pageflips. Note that on * gen4+ this only adjusts up to a tile, offsets within a tile are * handled in the hw itself (with the TILEOFF register). */ u32 dspaddr_offset; int adjusted_x; int adjusted_y; struct intel_crtc_state *config; /* global reset count when the last flip was submitted */ unsigned int reset_count; /* 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; u8 plane; enum plane_id id; enum pipe pipe; bool can_scale; int max_downscale; uint32_t 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. */ void (*update_plane)(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, struct intel_crtc *crtc); int (*check_plane)(struct intel_plane *plane, struct intel_crtc_state *crtc_state, struct intel_plane_state *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_framebuffer(x)->obj : 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; bool rgb_quant_range_selectable; struct intel_connector *attached_connector; }; 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; uint8_t video_pattern; uint16_t hdisplay, vdisplay; uint8_t 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; i915_reg_t aux_ch_ctl_reg; i915_reg_t aux_ch_data_reg[5]; uint32_t DP; int link_rate; uint8_t lane_count; uint8_t sink_count; bool link_mst; bool has_audio; bool detect_done; bool channel_eq_status; bool reset_link_params; uint8_t dpcd[DP_RECEIVER_CAP_SIZE]; uint8_t psr_dpcd[EDP_PSR_RECEIVER_CAP_SIZE]; uint8_t downstream_ports[DP_MAX_DOWNSTREAM_PORTS]; uint8_t edp_dpcd[EDP_DISPLAY_CTL_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; /* 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; enum intel_display_power_domain aux_power_domain; uint8_t 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; uint32_t (*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. */ uint32_t (*get_aux_send_ctl)(struct intel_dp *dp, bool has_aux_irq, int send_bytes, uint32_t aux_clock_divider); /* 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; }; struct intel_lspcon { bool active; enum drm_lspcon_mode mode; }; struct intel_digital_port { struct intel_encoder base; enum port port; 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; uint8_t max_lanes; enum intel_display_power_domain ddi_io_power_domain; void (*write_infoframe)(struct drm_encoder *encoder, const struct intel_crtc_state *crtc_state, enum hdmi_infoframe_type type, const void *frame, ssize_t len); void (*set_infoframes)(struct drm_encoder *encoder, bool enable, const struct intel_crtc_state *crtc_state, const struct drm_connector_state *conn_state); bool (*infoframe_enabled)(struct drm_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->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->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 plane 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 struct intel_digital_port * enc_to_dig_port(struct drm_encoder *encoder) { struct intel_encoder *intel_encoder = to_intel_encoder(encoder); switch (intel_encoder->type) { case INTEL_OUTPUT_UNKNOWN: WARN_ON(!HAS_DDI(to_i915(encoder->dev))); case INTEL_OUTPUT_DP: case INTEL_OUTPUT_EDP: case INTEL_OUTPUT_HDMI: return container_of(encoder, struct intel_digital_port, base.base); default: return NULL; } } 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 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 intel_digital_port * hdmi_to_dig_port(struct intel_hdmi *intel_hdmi) { return container_of(intel_hdmi, struct intel_digital_port, hdmi); } /* intel_fifo_underrun.c */ bool intel_set_cpu_fifo_underrun_reporting(struct drm_i915_private *dev_priv, enum pipe pipe, bool enable); bool intel_set_pch_fifo_underrun_reporting(struct drm_i915_private *dev_priv, enum pipe pch_transcoder, bool enable); void intel_cpu_fifo_underrun_irq_handler(struct drm_i915_private *dev_priv, enum pipe pipe); void intel_pch_fifo_underrun_irq_handler(struct drm_i915_private *dev_priv, enum pipe pch_transcoder); void intel_check_cpu_fifo_underruns(struct drm_i915_private *dev_priv); void intel_check_pch_fifo_underruns(struct drm_i915_private *dev_priv); /* i915_irq.c */ void gen5_enable_gt_irq(struct drm_i915_private *dev_priv, uint32_t mask); void gen5_disable_gt_irq(struct drm_i915_private *dev_priv, uint32_t mask); void gen6_reset_pm_iir(struct drm_i915_private *dev_priv, u32 mask); void gen6_mask_pm_irq(struct drm_i915_private *dev_priv, u32 mask); void gen6_unmask_pm_irq(struct drm_i915_private *dev_priv, u32 mask); void gen6_enable_pm_irq(struct drm_i915_private *dev_priv, uint32_t mask); void gen6_disable_pm_irq(struct drm_i915_private *dev_priv, uint32_t mask); void gen6_reset_rps_interrupts(struct drm_i915_private *dev_priv); void gen6_enable_rps_interrupts(struct drm_i915_private *dev_priv); void gen6_disable_rps_interrupts(struct drm_i915_private *dev_priv); static inline u32 gen6_sanitize_rps_pm_mask(const struct drm_i915_private *i915, u32 mask) { return mask & ~i915->rps.pm_intrmsk_mbz; } void intel_runtime_pm_disable_interrupts(struct drm_i915_private *dev_priv); void intel_runtime_pm_enable_interrupts(struct drm_i915_private *dev_priv); static inline bool intel_irqs_enabled(struct drm_i915_private *dev_priv) { /* * We only use drm_irq_uninstall() at unload and VT switch, so * this is the only thing we need to check. */ return dev_priv->pm.irqs_enabled; } int intel_get_crtc_scanline(struct intel_crtc *crtc); void gen8_irq_power_well_post_enable(struct drm_i915_private *dev_priv, u8 pipe_mask); void gen8_irq_power_well_pre_disable(struct drm_i915_private *dev_priv, u8 pipe_mask); void gen9_reset_guc_interrupts(struct drm_i915_private *dev_priv); void gen9_enable_guc_interrupts(struct drm_i915_private *dev_priv); void gen9_disable_guc_interrupts(struct drm_i915_private *dev_priv); /* intel_crt.c */ void intel_crt_init(struct drm_i915_private *dev_priv); void intel_crt_reset(struct drm_encoder *encoder); /* intel_ddi.c */ void intel_ddi_fdi_post_disable(struct intel_encoder *intel_encoder, struct intel_crtc_state *old_crtc_state, struct drm_connector_state *old_conn_state); void hsw_fdi_link_train(struct intel_crtc *crtc, const struct intel_crtc_state *crtc_state); void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port); enum port intel_ddi_get_encoder_port(struct intel_encoder *intel_encoder); bool intel_ddi_get_hw_state(struct intel_encoder *encoder, enum pipe *pipe); void intel_ddi_enable_transcoder_func(const struct intel_crtc_state *crtc_state); void intel_ddi_disable_transcoder_func(struct drm_i915_private *dev_priv, enum transcoder cpu_transcoder); void intel_ddi_enable_pipe_clock(const struct intel_crtc_state *crtc_state); void intel_ddi_disable_pipe_clock(const struct intel_crtc_state *crtc_state); struct intel_encoder * intel_ddi_get_crtc_new_encoder(struct intel_crtc_state *crtc_state); void intel_ddi_set_pipe_settings(const struct intel_crtc_state *crtc_state); void intel_ddi_prepare_link_retrain(struct intel_dp *intel_dp); bool intel_ddi_connector_get_hw_state(struct intel_connector *intel_connector); bool intel_ddi_is_audio_enabled(struct drm_i915_private *dev_priv, struct intel_crtc *intel_crtc); void intel_ddi_get_config(struct intel_encoder *encoder, struct intel_crtc_state *pipe_config); void intel_ddi_clock_get(struct intel_encoder *encoder, struct intel_crtc_state *pipe_config); void intel_ddi_set_vc_payload_alloc(const struct intel_crtc_state *crtc_state, bool state); uint32_t ddi_signal_levels(struct intel_dp *intel_dp); u8 intel_ddi_dp_voltage_max(struct intel_encoder *encoder); unsigned int intel_fb_align_height(const struct drm_framebuffer *fb, int plane, unsigned int height); /* intel_audio.c */ void intel_init_audio_hooks(struct drm_i915_private *dev_priv); void intel_audio_codec_enable(struct intel_encoder *encoder, const struct intel_crtc_state *crtc_state, const struct drm_connector_state *conn_state); void intel_audio_codec_disable(struct intel_encoder *encoder); void i915_audio_component_init(struct drm_i915_private *dev_priv); void i915_audio_component_cleanup(struct drm_i915_private *dev_priv); void intel_audio_init(struct drm_i915_private *dev_priv); void intel_audio_deinit(struct drm_i915_private *dev_priv); /* intel_cdclk.c */ void skl_init_cdclk(struct drm_i915_private *dev_priv); void skl_uninit_cdclk(struct drm_i915_private *dev_priv); void cnl_init_cdclk(struct drm_i915_private *dev_priv); void cnl_uninit_cdclk(struct drm_i915_private *dev_priv); void bxt_init_cdclk(struct drm_i915_private *dev_priv); void bxt_uninit_cdclk(struct drm_i915_private *dev_priv); void intel_init_cdclk_hooks(struct drm_i915_private *dev_priv); void intel_update_max_cdclk(struct drm_i915_private *dev_priv); void intel_update_cdclk(struct drm_i915_private *dev_priv); void intel_update_rawclk(struct drm_i915_private *dev_priv); bool intel_cdclk_state_compare(const struct intel_cdclk_state *a, const struct intel_cdclk_state *b); void intel_set_cdclk(struct drm_i915_private *dev_priv, const struct intel_cdclk_state *cdclk_state); /* intel_display.c */ void i830_enable_pipe(struct drm_i915_private *dev_priv, enum pipe pipe); void i830_disable_pipe(struct drm_i915_private *dev_priv, enum pipe pipe); enum pipe intel_crtc_pch_transcoder(struct intel_crtc *crtc); void intel_update_rawclk(struct drm_i915_private *dev_priv); int vlv_get_hpll_vco(struct drm_i915_private *dev_priv); int vlv_get_cck_clock(struct drm_i915_private *dev_priv, const char *name, u32 reg, int ref_freq); int vlv_get_cck_clock_hpll(struct drm_i915_private *dev_priv, const char *name, u32 reg); void lpt_disable_pch_transcoder(struct drm_i915_private *dev_priv); void lpt_disable_iclkip(struct drm_i915_private *dev_priv); void intel_init_display_hooks(struct drm_i915_private *dev_priv); unsigned int intel_fb_xy_to_linear(int x, int y, const struct intel_plane_state *state, int plane); void intel_add_fb_offsets(int *x, int *y, const struct intel_plane_state *state, int plane); unsigned int intel_rotation_info_size(const struct intel_rotation_info *rot_info); bool intel_has_pending_fb_unpin(struct drm_i915_private *dev_priv); void intel_mark_busy(struct drm_i915_private *dev_priv); void intel_mark_idle(struct drm_i915_private *dev_priv); int intel_display_suspend(struct drm_device *dev); void intel_pps_unlock_regs_wa(struct drm_i915_private *dev_priv); void intel_encoder_destroy(struct drm_encoder *encoder); int intel_connector_init(struct intel_connector *); struct intel_connector *intel_connector_alloc(void); bool intel_connector_get_hw_state(struct intel_connector *connector); void intel_connector_attach_encoder(struct intel_connector *connector, struct intel_encoder *encoder); struct drm_display_mode *intel_crtc_mode_get(struct drm_device *dev, struct drm_crtc *crtc); enum pipe intel_get_pipe_from_connector(struct intel_connector *connector); int intel_get_pipe_from_crtc_id(struct drm_device *dev, void *data, struct drm_file *file_priv); enum transcoder intel_pipe_to_cpu_transcoder(struct drm_i915_private *dev_priv, enum pipe pipe); 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); } u32 intel_crtc_get_vblank_counter(struct intel_crtc *crtc); int ironlake_get_lanes_required(int target_clock, int link_bw, int bpp); void vlv_wait_port_ready(struct drm_i915_private *dev_priv, struct intel_digital_port *dport, unsigned int expected_mask); int intel_get_load_detect_pipe(struct drm_connector *connector, struct drm_display_mode *mode, struct intel_load_detect_pipe *old, struct drm_modeset_acquire_ctx *ctx); void intel_release_load_detect_pipe(struct drm_connector *connector, struct intel_load_detect_pipe *old, struct drm_modeset_acquire_ctx *ctx); struct i915_vma * intel_pin_and_fence_fb_obj(struct drm_framebuffer *fb, unsigned int rotation); void intel_unpin_fb_vma(struct i915_vma *vma); struct drm_framebuffer * intel_framebuffer_create(struct drm_i915_gem_object *obj, struct drm_mode_fb_cmd2 *mode_cmd); int intel_prepare_plane_fb(struct drm_plane *plane, struct drm_plane_state *new_state); void intel_cleanup_plane_fb(struct drm_plane *plane, struct drm_plane_state *old_state); int intel_plane_atomic_get_property(struct drm_plane *plane, const struct drm_plane_state *state, struct drm_property *property, uint64_t *val); int intel_plane_atomic_set_property(struct drm_plane *plane, struct drm_plane_state *state, struct drm_property *property, uint64_t val); int intel_plane_atomic_calc_changes(struct drm_crtc_state *crtc_state, struct drm_plane_state *plane_state); void assert_pch_transcoder_disabled(struct drm_i915_private *dev_priv, enum pipe pipe); int vlv_force_pll_on(struct drm_i915_private *dev_priv, enum pipe pipe, const struct dpll *dpll); void vlv_force_pll_off(struct drm_i915_private *dev_priv, enum pipe pipe); int lpt_get_iclkip(struct drm_i915_private *dev_priv); /* modesetting asserts */ void assert_panel_unlocked(struct drm_i915_private *dev_priv, enum pipe pipe); void assert_pll(struct drm_i915_private *dev_priv, enum pipe pipe, bool state); #define assert_pll_enabled(d, p) assert_pll(d, p, true) #define assert_pll_disabled(d, p) assert_pll(d, p, false) void assert_dsi_pll(struct drm_i915_private *dev_priv, bool state); #define assert_dsi_pll_enabled(d) assert_dsi_pll(d, true) #define assert_dsi_pll_disabled(d) assert_dsi_pll(d, false) void assert_fdi_rx_pll(struct drm_i915_private *dev_priv, enum pipe pipe, bool state); #define assert_fdi_rx_pll_enabled(d, p) assert_fdi_rx_pll(d, p, true) #define assert_fdi_rx_pll_disabled(d, p) assert_fdi_rx_pll(d, p, false) void assert_pipe(struct drm_i915_private *dev_priv, enum pipe pipe, bool state); #define assert_pipe_enabled(d, p) assert_pipe(d, p, true) #define assert_pipe_disabled(d, p) assert_pipe(d, p, false) u32 intel_compute_tile_offset(int *x, int *y, const struct intel_plane_state *state, int plane); void intel_prepare_reset(struct drm_i915_private *dev_priv); void intel_finish_reset(struct drm_i915_private *dev_priv); void hsw_enable_pc8(struct drm_i915_private *dev_priv); void hsw_disable_pc8(struct drm_i915_private *dev_priv); void gen9_sanitize_dc_state(struct drm_i915_private *dev_priv); void bxt_enable_dc9(struct drm_i915_private *dev_priv); void bxt_disable_dc9(struct drm_i915_private *dev_priv); void gen9_enable_dc5(struct drm_i915_private *dev_priv); unsigned int skl_cdclk_get_vco(unsigned int freq); void skl_enable_dc6(struct drm_i915_private *dev_priv); void skl_disable_dc6(struct drm_i915_private *dev_priv); void intel_dp_get_m_n(struct intel_crtc *crtc, struct intel_crtc_state *pipe_config); void intel_dp_set_m_n(struct intel_crtc *crtc, enum link_m_n_set m_n); int intel_dotclock_calculate(int link_freq, const struct intel_link_m_n *m_n); bool bxt_find_best_dpll(struct intel_crtc_state *crtc_state, int target_clock, struct dpll *best_clock); int chv_calc_dpll_params(int refclk, struct dpll *pll_clock); bool intel_crtc_active(struct intel_crtc *crtc); void hsw_enable_ips(struct intel_crtc *crtc); void hsw_disable_ips(struct intel_crtc *crtc); enum intel_display_power_domain intel_port_to_power_domain(enum port port); void intel_mode_from_pipe_config(struct drm_display_mode *mode, struct intel_crtc_state *pipe_config); int skl_update_scaler_crtc(struct intel_crtc_state *crtc_state); int skl_max_scale(struct intel_crtc *crtc, struct intel_crtc_state *crtc_state); static inline u32 intel_plane_ggtt_offset(const struct intel_plane_state *state) { return i915_ggtt_offset(state->vma); } u32 skl_plane_ctl(const struct intel_crtc_state *crtc_state, const struct intel_plane_state *plane_state); u32 skl_plane_stride(const struct drm_framebuffer *fb, int plane, unsigned int rotation); int skl_check_plane_surface(struct intel_plane_state *plane_state); int i9xx_check_plane_surface(struct intel_plane_state *plane_state); /* intel_csr.c */ void intel_csr_ucode_init(struct drm_i915_private *); void intel_csr_load_program(struct drm_i915_private *); void intel_csr_ucode_fini(struct drm_i915_private *); void intel_csr_ucode_suspend(struct drm_i915_private *); void intel_csr_ucode_resume(struct drm_i915_private *); /* intel_dp.c */ bool intel_dp_init(struct drm_i915_private *dev_priv, i915_reg_t output_reg, enum port port); bool intel_dp_init_connector(struct intel_digital_port *intel_dig_port, struct intel_connector *intel_connector); void intel_dp_set_link_params(struct intel_dp *intel_dp, int link_rate, uint8_t lane_count, bool link_mst); int intel_dp_get_link_train_fallback_values(struct intel_dp *intel_dp, int link_rate, uint8_t lane_count); void intel_dp_start_link_train(struct intel_dp *intel_dp); void intel_dp_stop_link_train(struct intel_dp *intel_dp); void intel_dp_sink_dpms(struct intel_dp *intel_dp, int mode); void intel_dp_encoder_reset(struct drm_encoder *encoder); void intel_dp_encoder_suspend(struct intel_encoder *intel_encoder); void intel_dp_encoder_destroy(struct drm_encoder *encoder); int intel_dp_sink_crc(struct intel_dp *intel_dp, u8 *crc); bool intel_dp_compute_config(struct intel_encoder *encoder, struct intel_crtc_state *pipe_config, struct drm_connector_state *conn_state); bool intel_dp_is_edp(struct intel_dp *intel_dp); bool intel_dp_is_port_edp(struct drm_i915_private *dev_priv, enum port port); enum irqreturn intel_dp_hpd_pulse(struct intel_digital_port *intel_dig_port, bool long_hpd); void intel_edp_backlight_on(const struct intel_crtc_state *crtc_state, const struct drm_connector_state *conn_state); void intel_edp_backlight_off(const struct drm_connector_state *conn_state); void intel_edp_panel_vdd_on(struct intel_dp *intel_dp); void intel_edp_panel_on(struct intel_dp *intel_dp); void intel_edp_panel_off(struct intel_dp *intel_dp); void intel_dp_mst_suspend(struct drm_device *dev); void intel_dp_mst_resume(struct drm_device *dev); int intel_dp_max_link_rate(struct intel_dp *intel_dp); int intel_dp_max_lane_count(struct intel_dp *intel_dp); int intel_dp_rate_select(struct intel_dp *intel_dp, int rate); void intel_dp_hot_plug(struct intel_encoder *intel_encoder); void intel_power_sequencer_reset(struct drm_i915_private *dev_priv); uint32_t intel_dp_pack_aux(const uint8_t *src, int src_bytes); void intel_plane_destroy(struct drm_plane *plane); void intel_edp_drrs_enable(struct intel_dp *intel_dp, struct intel_crtc_state *crtc_state); void intel_edp_drrs_disable(struct intel_dp *intel_dp, struct intel_crtc_state *crtc_state); void intel_edp_drrs_invalidate(struct drm_i915_private *dev_priv, unsigned int frontbuffer_bits); void intel_edp_drrs_flush(struct drm_i915_private *dev_priv, unsigned int frontbuffer_bits); void intel_dp_program_link_training_pattern(struct intel_dp *intel_dp, uint8_t dp_train_pat); void intel_dp_set_signal_levels(struct intel_dp *intel_dp); void intel_dp_set_idle_link_train(struct intel_dp *intel_dp); uint8_t intel_dp_voltage_max(struct intel_dp *intel_dp); uint8_t intel_dp_pre_emphasis_max(struct intel_dp *intel_dp, uint8_t voltage_swing); void intel_dp_compute_rate(struct intel_dp *intel_dp, int port_clock, uint8_t *link_bw, uint8_t *rate_select); bool intel_dp_source_supports_hbr2(struct intel_dp *intel_dp); bool intel_dp_get_link_status(struct intel_dp *intel_dp, uint8_t link_status[DP_LINK_STATUS_SIZE]); static inline unsigned int intel_dp_unused_lane_mask(int lane_count) { return ~((1 << lane_count) - 1) & 0xf; } bool intel_dp_read_dpcd(struct intel_dp *intel_dp); int intel_dp_link_required(int pixel_clock, int bpp); int intel_dp_max_data_rate(int max_link_clock, int max_lanes); bool intel_digital_port_connected(struct drm_i915_private *dev_priv, struct intel_digital_port *port); /* intel_dp_aux_backlight.c */ int intel_dp_aux_init_backlight_funcs(struct intel_connector *intel_connector); /* intel_dp_mst.c */ int intel_dp_mst_encoder_init(struct intel_digital_port *intel_dig_port, int conn_id); void intel_dp_mst_encoder_cleanup(struct intel_digital_port *intel_dig_port); /* intel_dsi.c */ void intel_dsi_init(struct drm_i915_private *dev_priv); /* intel_dsi_dcs_backlight.c */ int intel_dsi_dcs_init_backlight_funcs(struct intel_connector *intel_connector); /* intel_dvo.c */ void intel_dvo_init(struct drm_i915_private *dev_priv); /* intel_hotplug.c */ void intel_hpd_poll_init(struct drm_i915_private *dev_priv); /* legacy fbdev emulation in intel_fbdev.c */ #ifdef CONFIG_DRM_FBDEV_EMULATION extern int intel_fbdev_init(struct drm_device *dev); extern void intel_fbdev_initial_config_async(struct drm_device *dev); extern void intel_fbdev_unregister(struct drm_i915_private *dev_priv); extern void intel_fbdev_fini(struct drm_i915_private *dev_priv); extern void intel_fbdev_set_suspend(struct drm_device *dev, int state, bool synchronous); extern void intel_fbdev_output_poll_changed(struct drm_device *dev); extern void intel_fbdev_restore_mode(struct drm_device *dev); #else static inline int intel_fbdev_init(struct drm_device *dev) { return 0; } static inline void intel_fbdev_initial_config_async(struct drm_device *dev) { } static inline void intel_fbdev_unregister(struct drm_i915_private *dev_priv) { } static inline void intel_fbdev_fini(struct drm_i915_private *dev_priv) { } static inline void intel_fbdev_set_suspend(struct drm_device *dev, int state, bool synchronous) { } static inline void intel_fbdev_output_poll_changed(struct drm_device *dev) { } static inline void intel_fbdev_restore_mode(struct drm_device *dev) { } #endif /* intel_fbc.c */ void intel_fbc_choose_crtc(struct drm_i915_private *dev_priv, struct drm_atomic_state *state); bool intel_fbc_is_active(struct drm_i915_private *dev_priv); void intel_fbc_pre_update(struct intel_crtc *crtc, struct intel_crtc_state *crtc_state, struct intel_plane_state *plane_state); void intel_fbc_post_update(struct intel_crtc *crtc); void intel_fbc_init(struct drm_i915_private *dev_priv); void intel_fbc_init_pipe_state(struct drm_i915_private *dev_priv); void intel_fbc_enable(struct intel_crtc *crtc, struct intel_crtc_state *crtc_state, struct intel_plane_state *plane_state); void intel_fbc_disable(struct intel_crtc *crtc); void intel_fbc_global_disable(struct drm_i915_private *dev_priv); void intel_fbc_invalidate(struct drm_i915_private *dev_priv, unsigned int frontbuffer_bits, enum fb_op_origin origin); void intel_fbc_flush(struct drm_i915_private *dev_priv, unsigned int frontbuffer_bits, enum fb_op_origin origin); void intel_fbc_cleanup_cfb(struct drm_i915_private *dev_priv); void intel_fbc_handle_fifo_underrun_irq(struct drm_i915_private *dev_priv); /* intel_hdmi.c */ void intel_hdmi_init(struct drm_i915_private *dev_priv, i915_reg_t hdmi_reg, enum port port); void intel_hdmi_init_connector(struct intel_digital_port *intel_dig_port, struct intel_connector *intel_connector); struct intel_hdmi *enc_to_intel_hdmi(struct drm_encoder *encoder); bool intel_hdmi_compute_config(struct intel_encoder *encoder, struct intel_crtc_state *pipe_config, struct drm_connector_state *conn_state); void intel_hdmi_handle_sink_scrambling(struct intel_encoder *intel_encoder, struct drm_connector *connector, bool high_tmds_clock_ratio, bool scrambling); void intel_dp_dual_mode_set_tmds_output(struct intel_hdmi *hdmi, bool enable); void intel_infoframe_init(struct intel_digital_port *intel_dig_port); /* intel_lvds.c */ void intel_lvds_init(struct drm_i915_private *dev_priv); struct intel_encoder *intel_get_lvds_encoder(struct drm_device *dev); bool intel_is_dual_link_lvds(struct drm_device *dev); /* intel_modes.c */ int intel_connector_update_modes(struct drm_connector *connector, struct edid *edid); int intel_ddc_get_modes(struct drm_connector *c, struct i2c_adapter *adapter); void intel_attach_force_audio_property(struct drm_connector *connector); void intel_attach_broadcast_rgb_property(struct drm_connector *connector); void intel_attach_aspect_ratio_property(struct drm_connector *connector); /* intel_overlay.c */ void intel_setup_overlay(struct drm_i915_private *dev_priv); void intel_cleanup_overlay(struct drm_i915_private *dev_priv); int intel_overlay_switch_off(struct intel_overlay *overlay); int intel_overlay_put_image_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); int intel_overlay_attrs_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); void intel_overlay_reset(struct drm_i915_private *dev_priv); /* intel_panel.c */ int intel_panel_init(struct intel_panel *panel, struct drm_display_mode *fixed_mode, struct drm_display_mode *alt_fixed_mode, struct drm_display_mode *downclock_mode); void intel_panel_fini(struct intel_panel *panel); void intel_fixed_panel_mode(const struct drm_display_mode *fixed_mode, struct drm_display_mode *adjusted_mode); void intel_pch_panel_fitting(struct intel_crtc *crtc, struct intel_crtc_state *pipe_config, int fitting_mode); void intel_gmch_panel_fitting(struct intel_crtc *crtc, struct intel_crtc_state *pipe_config, int fitting_mode); void intel_panel_set_backlight_acpi(const struct drm_connector_state *conn_state, u32 level, u32 max); int intel_panel_setup_backlight(struct drm_connector *connector, enum pipe pipe); void intel_panel_enable_backlight(const struct intel_crtc_state *crtc_state, const struct drm_connector_state *conn_state); void intel_panel_disable_backlight(const struct drm_connector_state *old_conn_state); void intel_panel_destroy_backlight(struct drm_connector *connector); enum drm_connector_status intel_panel_detect(struct drm_i915_private *dev_priv); extern struct drm_display_mode *intel_find_panel_downclock( struct drm_i915_private *dev_priv, struct drm_display_mode *fixed_mode, struct drm_connector *connector); #if IS_ENABLED(CONFIG_BACKLIGHT_CLASS_DEVICE) int intel_backlight_device_register(struct intel_connector *connector); void intel_backlight_device_unregister(struct intel_connector *connector); #else /* CONFIG_BACKLIGHT_CLASS_DEVICE */ static int intel_backlight_device_register(struct intel_connector *connector) { return 0; } static inline void intel_backlight_device_unregister(struct intel_connector *connector) { } #endif /* CONFIG_BACKLIGHT_CLASS_DEVICE */ /* intel_psr.c */ void intel_psr_enable(struct intel_dp *intel_dp, const struct intel_crtc_state *crtc_state); void intel_psr_disable(struct intel_dp *intel_dp, const struct intel_crtc_state *old_crtc_state); void intel_psr_invalidate(struct drm_i915_private *dev_priv, unsigned frontbuffer_bits); void intel_psr_flush(struct drm_i915_private *dev_priv, unsigned frontbuffer_bits, enum fb_op_origin origin); void intel_psr_init(struct drm_i915_private *dev_priv); void intel_psr_single_frame_update(struct drm_i915_private *dev_priv, unsigned frontbuffer_bits); /* intel_runtime_pm.c */ int intel_power_domains_init(struct drm_i915_private *); void intel_power_domains_fini(struct drm_i915_private *); void intel_power_domains_init_hw(struct drm_i915_private *dev_priv, bool resume); void intel_power_domains_suspend(struct drm_i915_private *dev_priv); void intel_power_domains_verify_state(struct drm_i915_private *dev_priv); void bxt_display_core_init(struct drm_i915_private *dev_priv, bool resume); void bxt_display_core_uninit(struct drm_i915_private *dev_priv); void intel_runtime_pm_enable(struct drm_i915_private *dev_priv); const char * intel_display_power_domain_str(enum intel_display_power_domain domain); bool intel_display_power_is_enabled(struct drm_i915_private *dev_priv, enum intel_display_power_domain domain); bool __intel_display_power_is_enabled(struct drm_i915_private *dev_priv, enum intel_display_power_domain domain); void intel_display_power_get(struct drm_i915_private *dev_priv, enum intel_display_power_domain domain); bool intel_display_power_get_if_enabled(struct drm_i915_private *dev_priv, enum intel_display_power_domain domain); void intel_display_power_put(struct drm_i915_private *dev_priv, enum intel_display_power_domain domain); static inline void assert_rpm_device_not_suspended(struct drm_i915_private *dev_priv) { WARN_ONCE(dev_priv->pm.suspended, "Device suspended during HW access\n"); } static inline void assert_rpm_wakelock_held(struct drm_i915_private *dev_priv) { assert_rpm_device_not_suspended(dev_priv); WARN_ONCE(!atomic_read(&dev_priv->pm.wakeref_count), "RPM wakelock ref not held during HW access"); } /** * disable_rpm_wakeref_asserts - disable the RPM assert checks * @dev_priv: i915 device instance * * This function disable asserts that check if we hold an RPM wakelock * reference, while keeping the device-not-suspended checks still enabled. * It's meant to be used only in special circumstances where our rule about * the wakelock refcount wrt. the device power state doesn't hold. According * to this rule at any point where we access the HW or want to keep the HW in * an active state we must hold an RPM wakelock reference acquired via one of * the intel_runtime_pm_get() helpers. Currently there are a few special spots * where this rule doesn't hold: the IRQ and suspend/resume handlers, the * forcewake release timer, and the GPU RPS and hangcheck works. All other * users should avoid using this function. * * Any calls to this function must have a symmetric call to * enable_rpm_wakeref_asserts(). */ static inline void disable_rpm_wakeref_asserts(struct drm_i915_private *dev_priv) { atomic_inc(&dev_priv->pm.wakeref_count); } /** * enable_rpm_wakeref_asserts - re-enable the RPM assert checks * @dev_priv: i915 device instance * * This function re-enables the RPM assert checks after disabling them with * disable_rpm_wakeref_asserts. It's meant to be used only in special * circumstances otherwise its use should be avoided. * * Any calls to this function must have a symmetric call to * disable_rpm_wakeref_asserts(). */ static inline void enable_rpm_wakeref_asserts(struct drm_i915_private *dev_priv) { atomic_dec(&dev_priv->pm.wakeref_count); } void intel_runtime_pm_get(struct drm_i915_private *dev_priv); bool intel_runtime_pm_get_if_in_use(struct drm_i915_private *dev_priv); void intel_runtime_pm_get_noresume(struct drm_i915_private *dev_priv); void intel_runtime_pm_put(struct drm_i915_private *dev_priv); void intel_display_set_init_power(struct drm_i915_private *dev, bool enable); void chv_phy_powergate_lanes(struct intel_encoder *encoder, bool override, unsigned int mask); bool chv_phy_powergate_ch(struct drm_i915_private *dev_priv, enum dpio_phy phy, enum dpio_channel ch, bool override); /* intel_pm.c */ void intel_init_clock_gating(struct drm_i915_private *dev_priv); void intel_suspend_hw(struct drm_i915_private *dev_priv); int ilk_wm_max_level(const struct drm_i915_private *dev_priv); void intel_update_watermarks(struct intel_crtc *crtc); void intel_init_pm(struct drm_i915_private *dev_priv); void intel_init_clock_gating_hooks(struct drm_i915_private *dev_priv); void intel_pm_setup(struct drm_i915_private *dev_priv); void intel_gpu_ips_init(struct drm_i915_private *dev_priv); void intel_gpu_ips_teardown(void); void intel_init_gt_powersave(struct drm_i915_private *dev_priv); void intel_cleanup_gt_powersave(struct drm_i915_private *dev_priv); void intel_sanitize_gt_powersave(struct drm_i915_private *dev_priv); void intel_enable_gt_powersave(struct drm_i915_private *dev_priv); void intel_autoenable_gt_powersave(struct drm_i915_private *dev_priv); void intel_disable_gt_powersave(struct drm_i915_private *dev_priv); void intel_suspend_gt_powersave(struct drm_i915_private *dev_priv); void gen6_rps_busy(struct drm_i915_private *dev_priv); void gen6_rps_reset_ei(struct drm_i915_private *dev_priv); void gen6_rps_idle(struct drm_i915_private *dev_priv); void gen6_rps_boost(struct drm_i915_gem_request *rq, struct intel_rps_client *rps); void intel_queue_rps_boost_for_request(struct drm_i915_gem_request *req); void g4x_wm_get_hw_state(struct drm_device *dev); void vlv_wm_get_hw_state(struct drm_device *dev); void ilk_wm_get_hw_state(struct drm_device *dev); void skl_wm_get_hw_state(struct drm_device *dev); void skl_ddb_get_hw_state(struct drm_i915_private *dev_priv, struct skl_ddb_allocation *ddb /* out */); void skl_pipe_wm_get_hw_state(struct drm_crtc *crtc, struct skl_pipe_wm *out); void g4x_wm_sanitize(struct drm_i915_private *dev_priv); void vlv_wm_sanitize(struct drm_i915_private *dev_priv); bool intel_can_enable_sagv(struct drm_atomic_state *state); int intel_enable_sagv(struct drm_i915_private *dev_priv); int intel_disable_sagv(struct drm_i915_private *dev_priv); bool skl_wm_level_equals(const struct skl_wm_level *l1, const struct skl_wm_level *l2); bool skl_ddb_allocation_overlaps(const struct skl_ddb_entry **entries, const struct skl_ddb_entry *ddb, int ignore); bool ilk_disable_lp_wm(struct drm_device *dev); int sanitize_rc6_option(struct drm_i915_private *dev_priv, int enable_rc6); int skl_check_pipe_max_pixel_rate(struct intel_crtc *intel_crtc, struct intel_crtc_state *cstate); static inline int intel_enable_rc6(void) { return i915.enable_rc6; } /* intel_sdvo.c */ bool intel_sdvo_init(struct drm_i915_private *dev_priv, i915_reg_t reg, enum port port); /* intel_sprite.c */ int intel_usecs_to_scanlines(const struct drm_display_mode *adjusted_mode, int usecs); struct intel_plane *intel_sprite_plane_create(struct drm_i915_private *dev_priv, enum pipe pipe, int plane); int intel_sprite_set_colorkey(struct drm_device *dev, void *data, struct drm_file *file_priv); void intel_pipe_update_start(struct intel_crtc *crtc); void intel_pipe_update_end(struct intel_crtc *crtc); /* intel_tv.c */ void intel_tv_init(struct drm_i915_private *dev_priv); /* intel_atomic.c */ int intel_digital_connector_atomic_get_property(struct drm_connector *connector, const struct drm_connector_state *state, struct drm_property *property, uint64_t *val); int intel_digital_connector_atomic_set_property(struct drm_connector *connector, struct drm_connector_state *state, struct drm_property *property, uint64_t val); int intel_digital_connector_atomic_check(struct drm_connector *conn, struct drm_connector_state *new_state); struct drm_connector_state * intel_digital_connector_duplicate_state(struct drm_connector *connector); struct drm_crtc_state *intel_crtc_duplicate_state(struct drm_crtc *crtc); void intel_crtc_destroy_state(struct drm_crtc *crtc, struct drm_crtc_state *state); struct drm_atomic_state *intel_atomic_state_alloc(struct drm_device *dev); void intel_atomic_state_clear(struct drm_atomic_state *); static inline struct intel_crtc_state * intel_atomic_get_crtc_state(struct drm_atomic_state *state, struct intel_crtc *crtc) { struct drm_crtc_state *crtc_state; crtc_state = drm_atomic_get_crtc_state(state, &crtc->base); if (IS_ERR(crtc_state)) return ERR_CAST(crtc_state); return to_intel_crtc_state(crtc_state); } static inline struct intel_crtc_state * intel_atomic_get_existing_crtc_state(struct drm_atomic_state *state, struct intel_crtc *crtc) { struct drm_crtc_state *crtc_state; crtc_state = drm_atomic_get_existing_crtc_state(state, &crtc->base); if (crtc_state) return to_intel_crtc_state(crtc_state); else return NULL; } static inline struct intel_plane_state * intel_atomic_get_existing_plane_state(struct drm_atomic_state *state, struct intel_plane *plane) { struct drm_plane_state *plane_state; plane_state = drm_atomic_get_existing_plane_state(state, &plane->base); return to_intel_plane_state(plane_state); } int intel_atomic_setup_scalers(struct drm_i915_private *dev_priv, struct intel_crtc *intel_crtc, struct intel_crtc_state *crtc_state); /* intel_atomic_plane.c */ struct intel_plane_state *intel_create_plane_state(struct drm_plane *plane); struct drm_plane_state *intel_plane_duplicate_state(struct drm_plane *plane); void intel_plane_destroy_state(struct drm_plane *plane, struct drm_plane_state *state); extern const struct drm_plane_helper_funcs intel_plane_helper_funcs; int intel_plane_atomic_check_with_state(struct intel_crtc_state *crtc_state, struct intel_plane_state *intel_state); /* intel_color.c */ void intel_color_init(struct drm_crtc *crtc); int intel_color_check(struct drm_crtc *crtc, struct drm_crtc_state *state); void intel_color_set_csc(struct drm_crtc_state *crtc_state); void intel_color_load_luts(struct drm_crtc_state *crtc_state); /* intel_lspcon.c */ bool lspcon_init(struct intel_digital_port *intel_dig_port); void lspcon_resume(struct intel_lspcon *lspcon); void lspcon_wait_pcon_mode(struct intel_lspcon *lspcon); /* intel_pipe_crc.c */ int intel_pipe_crc_create(struct drm_minor *minor); #ifdef CONFIG_DEBUG_FS int intel_crtc_set_crc_source(struct drm_crtc *crtc, const char *source_name, size_t *values_cnt); #else #define intel_crtc_set_crc_source NULL #endif extern const struct file_operations i915_display_crc_ctl_fops; #endif /* __INTEL_DRV_H__ */