2 * Copyright (c) 2006 Dave Airlie <airlied@linux.ie>
3 * Copyright (c) 2007-2008 Intel Corporation
4 * Jesse Barnes <jesse.barnes@intel.com>
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice (including the next
14 * paragraph) shall be included in all copies or substantial portions of the
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
22 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
25 #ifndef __INTEL_DRV_H__
26 #define __INTEL_DRV_H__
28 #include <linux/async.h>
29 #include <linux/i2c.h>
30 #include <linux/hdmi.h>
31 #include <drm/i915_drm.h>
33 #include <drm/drm_crtc.h>
34 #include <drm/drm_crtc_helper.h>
35 #include <drm/drm_fb_helper.h>
36 #include <drm/drm_dp_mst_helper.h>
37 #include <drm/drm_rect.h>
39 #define DIV_ROUND_CLOSEST_ULL(ll, d) \
40 ({ unsigned long long _tmp = (ll)+(d)/2; do_div(_tmp, d); _tmp; })
43 * _wait_for - magic (register) wait macro
45 * Does the right thing for modeset paths when run under kdgb or similar atomic
46 * contexts. Note that it's important that we check the condition again after
47 * having timed out, since the timeout could be due to preemption or similar and
48 * we've never had a chance to check the condition before the timeout.
50 #define _wait_for(COND, MS, W) ({ \
51 unsigned long timeout__ = jiffies + msecs_to_jiffies(MS) + 1; \
54 if (time_after(jiffies, timeout__)) { \
59 if (W && drm_can_sleep()) { \
68 #define wait_for(COND, MS) _wait_for(COND, MS, 1)
69 #define wait_for_atomic(COND, MS) _wait_for(COND, MS, 0)
70 #define wait_for_atomic_us(COND, US) _wait_for((COND), \
71 DIV_ROUND_UP((US), 1000), 0)
73 #define KHz(x) (1000 * (x))
74 #define MHz(x) KHz(1000 * (x))
77 * Display related stuff
80 /* store information about an Ixxx DVO */
81 /* The i830->i865 use multiple DVOs with multiple i2cs */
82 /* the i915, i945 have a single sDVO i2c bus - which is different */
84 /* maximum connectors per crtcs in the mode set */
86 /* Maximum cursor sizes */
87 #define GEN2_CURSOR_WIDTH 64
88 #define GEN2_CURSOR_HEIGHT 64
89 #define MAX_CURSOR_WIDTH 256
90 #define MAX_CURSOR_HEIGHT 256
92 #define INTEL_I2C_BUS_DVO 1
93 #define INTEL_I2C_BUS_SDVO 2
95 /* these are outputs from the chip - integrated only
96 external chips are via DVO or SDVO output */
97 enum intel_output_type {
98 INTEL_OUTPUT_UNUSED = 0,
99 INTEL_OUTPUT_ANALOG = 1,
100 INTEL_OUTPUT_DVO = 2,
101 INTEL_OUTPUT_SDVO = 3,
102 INTEL_OUTPUT_LVDS = 4,
103 INTEL_OUTPUT_TVOUT = 5,
104 INTEL_OUTPUT_HDMI = 6,
105 INTEL_OUTPUT_DISPLAYPORT = 7,
106 INTEL_OUTPUT_EDP = 8,
107 INTEL_OUTPUT_DSI = 9,
108 INTEL_OUTPUT_UNKNOWN = 10,
109 INTEL_OUTPUT_DP_MST = 11,
112 #define INTEL_DVO_CHIP_NONE 0
113 #define INTEL_DVO_CHIP_LVDS 1
114 #define INTEL_DVO_CHIP_TMDS 2
115 #define INTEL_DVO_CHIP_TVOUT 4
117 #define INTEL_DSI_VIDEO_MODE 0
118 #define INTEL_DSI_COMMAND_MODE 1
120 struct intel_framebuffer {
121 struct drm_framebuffer base;
122 struct drm_i915_gem_object *obj;
126 struct drm_fb_helper helper;
127 struct intel_framebuffer *fb;
128 struct list_head fbdev_list;
129 struct drm_display_mode *our_mode;
133 struct intel_encoder {
134 struct drm_encoder base;
136 * The new crtc this encoder will be driven from. Only differs from
137 * base->crtc while a modeset is in progress.
139 struct intel_crtc *new_crtc;
141 enum intel_output_type type;
142 unsigned int cloneable;
143 bool connectors_active;
144 void (*hot_plug)(struct intel_encoder *);
145 bool (*compute_config)(struct intel_encoder *,
146 struct intel_crtc_config *);
147 void (*pre_pll_enable)(struct intel_encoder *);
148 void (*pre_enable)(struct intel_encoder *);
149 void (*enable)(struct intel_encoder *);
150 void (*mode_set)(struct intel_encoder *intel_encoder);
151 void (*disable)(struct intel_encoder *);
152 void (*post_disable)(struct intel_encoder *);
153 /* Read out the current hw state of this connector, returning true if
154 * the encoder is active. If the encoder is enabled it also set the pipe
155 * it is connected to in the pipe parameter. */
156 bool (*get_hw_state)(struct intel_encoder *, enum pipe *pipe);
157 /* Reconstructs the equivalent mode flags for the current hardware
158 * state. This must be called _after_ display->get_pipe_config has
159 * pre-filled the pipe config. Note that intel_encoder->base.crtc must
160 * be set correctly before calling this function. */
161 void (*get_config)(struct intel_encoder *,
162 struct intel_crtc_config *pipe_config);
164 * Called during system suspend after all pending requests for the
165 * encoder are flushed (for example for DP AUX transactions) and
166 * device interrupts are disabled.
168 void (*suspend)(struct intel_encoder *);
170 enum hpd_pin hpd_pin;
174 struct drm_display_mode *fixed_mode;
175 struct drm_display_mode *downclock_mode;
185 bool combination_mode; /* gen 2/4 only */
187 struct backlight_device *device;
190 void (*backlight_power)(struct intel_connector *, bool enable);
193 struct intel_connector {
194 struct drm_connector base;
196 * The fixed encoder this connector is connected to.
198 struct intel_encoder *encoder;
201 * The new encoder this connector will be driven. Only differs from
202 * encoder while a modeset is in progress.
204 struct intel_encoder *new_encoder;
206 /* Reads out the current hw, returning true if the connector is enabled
207 * and active (i.e. dpms ON state). */
208 bool (*get_hw_state)(struct intel_connector *);
211 * Removes all interfaces through which the connector is accessible
212 * - like sysfs, debugfs entries -, so that no new operations can be
213 * started on the connector. Also makes sure all currently pending
214 * operations finish before returing.
216 void (*unregister)(struct intel_connector *);
218 /* Panel info for eDP and LVDS */
219 struct intel_panel panel;
221 /* Cached EDID for eDP and LVDS. May hold ERR_PTR for invalid EDID. */
223 struct edid *detect_edid;
225 /* since POLL and HPD connectors may use the same HPD line keep the native
226 state of connector->polled in case hotplug storm detection changes it */
229 void *port; /* store this opaque as its illegal to dereference it */
231 struct intel_dp *mst_port;
234 typedef struct dpll {
246 struct intel_plane_state {
247 struct drm_plane_state base;
250 struct drm_rect clip;
254 * used only for sprite planes to determine when to implicitly
255 * enable/disable the primary plane
260 struct intel_plane_config {
266 struct intel_crtc_config {
268 * quirks - bitfield with hw state readout quirks
270 * For various reasons the hw state readout code might not be able to
271 * completely faithfully read out the current state. These cases are
272 * tracked with quirk flags so that fastboot and state checker can act
275 #define PIPE_CONFIG_QUIRK_MODE_SYNC_FLAGS (1<<0) /* unreliable sync mode.flags */
276 #define PIPE_CONFIG_QUIRK_INHERITED_MODE (1<<1) /* mode inherited from firmware */
277 unsigned long quirks;
279 /* User requested mode, only valid as a starting point to
280 * compute adjusted_mode, except in the case of (S)DVO where
281 * it's also for the output timings of the (S)DVO chip.
282 * adjusted_mode will then correspond to the S(DVO) chip's
283 * preferred input timings. */
284 struct drm_display_mode requested_mode;
285 /* Actual pipe timings ie. what we program into the pipe timing
286 * registers. adjusted_mode.crtc_clock is the pipe pixel clock. */
287 struct drm_display_mode adjusted_mode;
289 /* Pipe source size (ie. panel fitter input size)
290 * All planes will be positioned inside this space,
291 * and get clipped at the edges. */
292 int pipe_src_w, pipe_src_h;
294 /* Whether to set up the PCH/FDI. Note that we never allow sharing
295 * between pch encoders and cpu encoders. */
296 bool has_pch_encoder;
298 /* Are we sending infoframes on the attached port */
301 /* CPU Transcoder for the pipe. Currently this can only differ from the
302 * pipe on Haswell (where we have a special eDP transcoder). */
303 enum transcoder cpu_transcoder;
306 * Use reduced/limited/broadcast rbg range, compressing from the full
307 * range fed into the crtcs.
309 bool limited_color_range;
311 /* DP has a bunch of special case unfortunately, so mark the pipe
315 /* Whether we should send NULL infoframes. Required for audio. */
318 /* Audio enabled on this pipe. Only valid if either has_hdmi_sink or
319 * has_dp_encoder is set. */
323 * Enable dithering, used when the selected pipe bpp doesn't match the
328 /* Controls for the clock computation, to override various stages. */
331 /* SDVO TV has a bunch of special case. To make multifunction encoders
332 * work correctly, we need to track this at runtime.*/
336 * crtc bandwidth limit, don't increase pipe bpp or clock if not really
337 * required. This is set in the 2nd loop of calling encoder's
338 * ->compute_config if the first pick doesn't work out.
342 /* Settings for the intel dpll used on pretty much everything but
346 /* Selected dpll when shared or DPLL_ID_PRIVATE. */
347 enum intel_dpll_id shared_dpll;
350 * - PORT_CLK_SEL for DDI ports on HSW/BDW.
351 * - enum skl_dpll on SKL
353 uint32_t ddi_pll_sel;
355 /* Actual register state of the dpll, for shared dpll cross-checking. */
356 struct intel_dpll_hw_state dpll_hw_state;
359 struct intel_link_m_n dp_m_n;
361 /* m2_n2 for eDP downclock */
362 struct intel_link_m_n dp_m2_n2;
366 * Frequence the dpll for the port should run at. Differs from the
367 * adjusted dotclock e.g. for DP or 12bpc hdmi mode. This is also
368 * already multiplied by pixel_multiplier.
372 /* Used by SDVO (and if we ever fix it, HDMI). */
373 unsigned pixel_multiplier;
375 /* Panel fitter controls for gen2-gen4 + VLV */
379 u32 lvds_border_bits;
382 /* Panel fitter placement and size for Ironlake+ */
390 /* FDI configuration, only valid if has_pch_encoder is set. */
392 struct intel_link_m_n fdi_m_n;
398 bool dp_encoder_is_mst;
402 struct intel_pipe_wm {
403 struct intel_wm_level wm[5];
407 bool sprites_enabled;
411 struct intel_mmio_flip {
412 struct drm_i915_gem_request *req;
413 struct work_struct work;
417 struct skl_wm_level wm[8];
418 struct skl_wm_level trans_wm;
423 * Tracking of operations that need to be performed at the beginning/end of an
424 * atomic commit, outside the atomic section where interrupts are disabled.
425 * These are generally operations that grab mutexes or might otherwise sleep
426 * and thus can't be run with interrupts disabled.
428 struct intel_crtc_atomic_commit {
431 unsigned start_vbl_count;
433 /* Sleepable operations to perform before commit */
436 bool pre_disable_primary;
438 unsigned disabled_planes;
440 /* Sleepable operations to perform after commit */
444 bool post_enable_primary;
445 unsigned update_sprite_watermarks;
449 struct drm_crtc base;
452 u8 lut_r[256], lut_g[256], lut_b[256];
454 * Whether the crtc and the connected output pipeline is active. Implies
455 * that crtc->enabled is set, i.e. the current mode configuration has
456 * some outputs connected to this crtc.
459 unsigned long enabled_power_domains;
460 bool primary_enabled; /* is the primary plane (partially) visible? */
462 struct intel_overlay *overlay;
463 struct intel_unpin_work *unpin_work;
465 atomic_t unpin_work_count;
467 /* Display surface base address adjustement for pageflips. Note that on
468 * gen4+ this only adjusts up to a tile, offsets within a tile are
469 * handled in the hw itself (with the TILEOFF register). */
470 unsigned long dspaddr_offset;
472 struct drm_i915_gem_object *cursor_bo;
473 uint32_t cursor_addr;
474 int16_t cursor_width, cursor_height;
475 uint32_t cursor_cntl;
476 uint32_t cursor_size;
477 uint32_t cursor_base;
479 struct intel_plane_config plane_config;
480 struct intel_crtc_config config;
481 struct intel_crtc_config *new_config;
484 /* reset counter value when the last flip was submitted */
485 unsigned int reset_counter;
487 /* Access to these should be protected by dev_priv->irq_lock. */
488 bool cpu_fifo_underrun_disabled;
489 bool pch_fifo_underrun_disabled;
491 /* per-pipe watermark state */
493 /* watermarks currently being used */
494 struct intel_pipe_wm active;
495 /* SKL wm values currently in use */
496 struct skl_pipe_wm skl_active;
500 struct intel_mmio_flip mmio_flip;
502 struct intel_crtc_atomic_commit atomic;
505 struct intel_plane_wm_parameters {
506 uint32_t horiz_pixels;
507 uint32_t vert_pixels;
508 uint8_t bytes_per_pixel;
514 struct drm_plane base;
517 struct drm_i915_gem_object *obj;
520 unsigned int rotation;
522 /* Since we need to change the watermarks before/after
523 * enabling/disabling the planes, we need to store the parameters here
524 * as the other pieces of the struct may not reflect the values we want
525 * for the watermark calculations. Currently only Haswell uses this.
527 struct intel_plane_wm_parameters wm;
529 void (*update_plane)(struct drm_plane *plane,
530 struct drm_crtc *crtc,
531 struct drm_framebuffer *fb,
532 struct drm_i915_gem_object *obj,
533 int crtc_x, int crtc_y,
534 unsigned int crtc_w, unsigned int crtc_h,
535 uint32_t x, uint32_t y,
536 uint32_t src_w, uint32_t src_h);
537 void (*disable_plane)(struct drm_plane *plane,
538 struct drm_crtc *crtc);
539 int (*check_plane)(struct drm_plane *plane,
540 struct intel_plane_state *state);
541 void (*commit_plane)(struct drm_plane *plane,
542 struct intel_plane_state *state);
543 int (*update_colorkey)(struct drm_plane *plane,
544 struct drm_intel_sprite_colorkey *key);
545 void (*get_colorkey)(struct drm_plane *plane,
546 struct drm_intel_sprite_colorkey *key);
549 struct intel_watermark_params {
550 unsigned long fifo_size;
551 unsigned long max_wm;
552 unsigned long default_wm;
553 unsigned long guard_size;
554 unsigned long cacheline_size;
557 struct cxsr_latency {
560 unsigned long fsb_freq;
561 unsigned long mem_freq;
562 unsigned long display_sr;
563 unsigned long display_hpll_disable;
564 unsigned long cursor_sr;
565 unsigned long cursor_hpll_disable;
568 #define to_intel_crtc(x) container_of(x, struct intel_crtc, base)
569 #define to_intel_connector(x) container_of(x, struct intel_connector, base)
570 #define to_intel_encoder(x) container_of(x, struct intel_encoder, base)
571 #define to_intel_framebuffer(x) container_of(x, struct intel_framebuffer, base)
572 #define to_intel_plane(x) container_of(x, struct intel_plane, base)
573 #define to_intel_plane_state(x) container_of(x, struct intel_plane_state, base)
574 #define intel_fb_obj(x) (x ? to_intel_framebuffer(x)->obj : NULL)
579 uint32_t color_range;
580 bool color_range_auto;
583 enum hdmi_force_audio force_audio;
584 bool rgb_quant_range_selectable;
585 enum hdmi_picture_aspect aspect_ratio;
586 void (*write_infoframe)(struct drm_encoder *encoder,
587 enum hdmi_infoframe_type type,
588 const void *frame, ssize_t len);
589 void (*set_infoframes)(struct drm_encoder *encoder,
591 struct drm_display_mode *adjusted_mode);
592 bool (*infoframe_enabled)(struct drm_encoder *encoder);
595 struct intel_dp_mst_encoder;
596 #define DP_MAX_DOWNSTREAM_PORTS 0x10
600 uint32_t aux_ch_ctl_reg;
603 enum hdmi_force_audio force_audio;
604 uint32_t color_range;
605 bool color_range_auto;
608 uint8_t dpcd[DP_RECEIVER_CAP_SIZE];
609 uint8_t psr_dpcd[EDP_PSR_RECEIVER_CAP_SIZE];
610 uint8_t downstream_ports[DP_MAX_DOWNSTREAM_PORTS];
611 struct drm_dp_aux aux;
612 uint8_t train_set[4];
613 int panel_power_up_delay;
614 int panel_power_down_delay;
615 int panel_power_cycle_delay;
616 int backlight_on_delay;
617 int backlight_off_delay;
618 struct delayed_work panel_vdd_work;
620 unsigned long last_power_cycle;
621 unsigned long last_power_on;
622 unsigned long last_backlight_off;
624 struct notifier_block edp_notifier;
627 * Pipe whose power sequencer is currently locked into
628 * this port. Only relevant on VLV/CHV.
631 struct edp_power_seq pps_delays;
634 bool can_mst; /* this port supports mst */
636 int active_mst_links;
637 /* connector directly attached - won't be use for modeset in mst world */
638 struct intel_connector *attached_connector;
640 /* mst connector list */
641 struct intel_dp_mst_encoder *mst_encoders[I915_MAX_PIPES];
642 struct drm_dp_mst_topology_mgr mst_mgr;
644 uint32_t (*get_aux_clock_divider)(struct intel_dp *dp, int index);
646 * This function returns the value we have to program the AUX_CTL
647 * register with to kick off an AUX transaction.
649 uint32_t (*get_aux_send_ctl)(struct intel_dp *dp,
652 uint32_t aux_clock_divider);
655 struct intel_digital_port {
656 struct intel_encoder base;
660 struct intel_hdmi hdmi;
661 bool (*hpd_pulse)(struct intel_digital_port *, bool);
664 struct intel_dp_mst_encoder {
665 struct intel_encoder base;
667 struct intel_digital_port *primary;
668 void *port; /* store this opaque as its illegal to dereference it */
672 vlv_dport_to_channel(struct intel_digital_port *dport)
674 switch (dport->port) {
686 vlv_pipe_to_channel(enum pipe pipe)
699 static inline struct drm_crtc *
700 intel_get_crtc_for_pipe(struct drm_device *dev, int pipe)
702 struct drm_i915_private *dev_priv = dev->dev_private;
703 return dev_priv->pipe_to_crtc_mapping[pipe];
706 static inline struct drm_crtc *
707 intel_get_crtc_for_plane(struct drm_device *dev, int plane)
709 struct drm_i915_private *dev_priv = dev->dev_private;
710 return dev_priv->plane_to_crtc_mapping[plane];
713 struct intel_unpin_work {
714 struct work_struct work;
715 struct drm_crtc *crtc;
716 struct drm_i915_gem_object *old_fb_obj;
717 struct drm_i915_gem_object *pending_flip_obj;
718 struct drm_pending_vblank_event *event;
720 #define INTEL_FLIP_INACTIVE 0
721 #define INTEL_FLIP_PENDING 1
722 #define INTEL_FLIP_COMPLETE 2
725 struct drm_i915_gem_request *flip_queued_req;
726 int flip_queued_vblank;
727 int flip_ready_vblank;
728 bool enable_stall_check;
731 struct intel_set_config {
732 struct drm_encoder **save_connector_encoders;
733 struct drm_crtc **save_encoder_crtcs;
734 bool *save_crtc_enabled;
740 struct intel_load_detect_pipe {
741 struct drm_framebuffer *release_fb;
742 bool load_detect_temp;
746 static inline struct intel_encoder *
747 intel_attached_encoder(struct drm_connector *connector)
749 return to_intel_connector(connector)->encoder;
752 static inline struct intel_digital_port *
753 enc_to_dig_port(struct drm_encoder *encoder)
755 return container_of(encoder, struct intel_digital_port, base.base);
758 static inline struct intel_dp_mst_encoder *
759 enc_to_mst(struct drm_encoder *encoder)
761 return container_of(encoder, struct intel_dp_mst_encoder, base.base);
764 static inline struct intel_dp *enc_to_intel_dp(struct drm_encoder *encoder)
766 return &enc_to_dig_port(encoder)->dp;
769 static inline struct intel_digital_port *
770 dp_to_dig_port(struct intel_dp *intel_dp)
772 return container_of(intel_dp, struct intel_digital_port, dp);
775 static inline struct intel_digital_port *
776 hdmi_to_dig_port(struct intel_hdmi *intel_hdmi)
778 return container_of(intel_hdmi, struct intel_digital_port, hdmi);
782 * Returns the number of planes for this pipe, ie the number of sprites + 1
783 * (primary plane). This doesn't count the cursor plane then.
785 static inline unsigned int intel_num_planes(struct intel_crtc *crtc)
787 return INTEL_INFO(crtc->base.dev)->num_sprites[crtc->pipe] + 1;
790 /* intel_fifo_underrun.c */
791 bool intel_set_cpu_fifo_underrun_reporting(struct drm_i915_private *dev_priv,
792 enum pipe pipe, bool enable);
793 bool intel_set_pch_fifo_underrun_reporting(struct drm_i915_private *dev_priv,
794 enum transcoder pch_transcoder,
796 void intel_cpu_fifo_underrun_irq_handler(struct drm_i915_private *dev_priv,
798 void intel_pch_fifo_underrun_irq_handler(struct drm_i915_private *dev_priv,
799 enum transcoder pch_transcoder);
800 void i9xx_check_fifo_underruns(struct drm_i915_private *dev_priv);
803 void gen5_enable_gt_irq(struct drm_i915_private *dev_priv, uint32_t mask);
804 void gen5_disable_gt_irq(struct drm_i915_private *dev_priv, uint32_t mask);
805 void gen6_enable_pm_irq(struct drm_i915_private *dev_priv, uint32_t mask);
806 void gen6_disable_pm_irq(struct drm_i915_private *dev_priv, uint32_t mask);
807 void gen6_reset_rps_interrupts(struct drm_device *dev);
808 void gen6_enable_rps_interrupts(struct drm_device *dev);
809 void gen6_disable_rps_interrupts(struct drm_device *dev);
810 u32 gen6_sanitize_rps_pm_mask(struct drm_i915_private *dev_priv, u32 mask);
811 void intel_runtime_pm_disable_interrupts(struct drm_i915_private *dev_priv);
812 void intel_runtime_pm_enable_interrupts(struct drm_i915_private *dev_priv);
813 static inline bool intel_irqs_enabled(struct drm_i915_private *dev_priv)
816 * We only use drm_irq_uninstall() at unload and VT switch, so
817 * this is the only thing we need to check.
819 return dev_priv->pm.irqs_enabled;
822 int intel_get_crtc_scanline(struct intel_crtc *crtc);
823 void gen8_irq_power_well_post_enable(struct drm_i915_private *dev_priv);
826 void intel_crt_init(struct drm_device *dev);
830 void intel_prepare_ddi(struct drm_device *dev);
831 void hsw_fdi_link_train(struct drm_crtc *crtc);
832 void intel_ddi_init(struct drm_device *dev, enum port port);
833 enum port intel_ddi_get_encoder_port(struct intel_encoder *intel_encoder);
834 bool intel_ddi_get_hw_state(struct intel_encoder *encoder, enum pipe *pipe);
835 int intel_ddi_get_cdclk_freq(struct drm_i915_private *dev_priv);
836 void intel_ddi_pll_init(struct drm_device *dev);
837 void intel_ddi_enable_transcoder_func(struct drm_crtc *crtc);
838 void intel_ddi_disable_transcoder_func(struct drm_i915_private *dev_priv,
839 enum transcoder cpu_transcoder);
840 void intel_ddi_enable_pipe_clock(struct intel_crtc *intel_crtc);
841 void intel_ddi_disable_pipe_clock(struct intel_crtc *intel_crtc);
842 bool intel_ddi_pll_select(struct intel_crtc *crtc);
843 void intel_ddi_set_pipe_settings(struct drm_crtc *crtc);
844 void intel_ddi_prepare_link_retrain(struct drm_encoder *encoder);
845 bool intel_ddi_connector_get_hw_state(struct intel_connector *intel_connector);
846 void intel_ddi_fdi_disable(struct drm_crtc *crtc);
847 void intel_ddi_get_config(struct intel_encoder *encoder,
848 struct intel_crtc_config *pipe_config);
850 void intel_ddi_init_dp_buf_reg(struct intel_encoder *encoder);
851 void intel_ddi_clock_get(struct intel_encoder *encoder,
852 struct intel_crtc_config *pipe_config);
853 void intel_ddi_set_vc_payload_alloc(struct drm_crtc *crtc, bool state);
855 /* intel_frontbuffer.c */
856 void intel_fb_obj_invalidate(struct drm_i915_gem_object *obj,
857 struct intel_engine_cs *ring);
858 void intel_frontbuffer_flip_prepare(struct drm_device *dev,
859 unsigned frontbuffer_bits);
860 void intel_frontbuffer_flip_complete(struct drm_device *dev,
861 unsigned frontbuffer_bits);
862 void intel_frontbuffer_flush(struct drm_device *dev,
863 unsigned frontbuffer_bits);
865 * intel_frontbuffer_flip - synchronous frontbuffer flip
867 * @frontbuffer_bits: frontbuffer plane tracking bits
869 * This function gets called after scheduling a flip on @obj. This is for
870 * synchronous plane updates which will happen on the next vblank and which will
871 * not get delayed by pending gpu rendering.
873 * Can be called without any locks held.
876 void intel_frontbuffer_flip(struct drm_device *dev,
877 unsigned frontbuffer_bits)
879 intel_frontbuffer_flush(dev, frontbuffer_bits);
882 void intel_fb_obj_flush(struct drm_i915_gem_object *obj, bool retire);
886 void intel_init_audio(struct drm_device *dev);
887 void intel_audio_codec_enable(struct intel_encoder *encoder);
888 void intel_audio_codec_disable(struct intel_encoder *encoder);
889 void i915_audio_component_init(struct drm_i915_private *dev_priv);
890 void i915_audio_component_cleanup(struct drm_i915_private *dev_priv);
892 /* intel_display.c */
893 bool intel_has_pending_fb_unpin(struct drm_device *dev);
894 int intel_pch_rawclk(struct drm_device *dev);
895 void intel_mark_busy(struct drm_device *dev);
896 void intel_mark_idle(struct drm_device *dev);
897 void intel_crtc_restore_mode(struct drm_crtc *crtc);
898 void intel_crtc_control(struct drm_crtc *crtc, bool enable);
899 void intel_crtc_update_dpms(struct drm_crtc *crtc);
900 void intel_encoder_destroy(struct drm_encoder *encoder);
901 void intel_connector_dpms(struct drm_connector *, int mode);
902 bool intel_connector_get_hw_state(struct intel_connector *connector);
903 void intel_modeset_check_state(struct drm_device *dev);
904 bool ibx_digital_port_connected(struct drm_i915_private *dev_priv,
905 struct intel_digital_port *port);
906 void intel_connector_attach_encoder(struct intel_connector *connector,
907 struct intel_encoder *encoder);
908 struct drm_encoder *intel_best_encoder(struct drm_connector *connector);
909 struct drm_display_mode *intel_crtc_mode_get(struct drm_device *dev,
910 struct drm_crtc *crtc);
911 enum pipe intel_get_pipe_from_connector(struct intel_connector *connector);
912 int intel_get_pipe_from_crtc_id(struct drm_device *dev, void *data,
913 struct drm_file *file_priv);
914 enum transcoder intel_pipe_to_cpu_transcoder(struct drm_i915_private *dev_priv,
916 bool intel_pipe_has_type(struct intel_crtc *crtc, enum intel_output_type type);
918 intel_wait_for_vblank(struct drm_device *dev, int pipe)
920 drm_wait_one_vblank(dev, pipe);
922 int ironlake_get_lanes_required(int target_clock, int link_bw, int bpp);
923 void vlv_wait_port_ready(struct drm_i915_private *dev_priv,
924 struct intel_digital_port *dport);
925 bool intel_get_load_detect_pipe(struct drm_connector *connector,
926 struct drm_display_mode *mode,
927 struct intel_load_detect_pipe *old,
928 struct drm_modeset_acquire_ctx *ctx);
929 void intel_release_load_detect_pipe(struct drm_connector *connector,
930 struct intel_load_detect_pipe *old);
931 int intel_pin_and_fence_fb_obj(struct drm_plane *plane,
932 struct drm_framebuffer *fb,
933 struct intel_engine_cs *pipelined);
934 void intel_unpin_fb_obj(struct drm_i915_gem_object *obj);
935 struct drm_framebuffer *
936 __intel_framebuffer_create(struct drm_device *dev,
937 struct drm_mode_fb_cmd2 *mode_cmd,
938 struct drm_i915_gem_object *obj);
939 void intel_prepare_page_flip(struct drm_device *dev, int plane);
940 void intel_finish_page_flip(struct drm_device *dev, int pipe);
941 void intel_finish_page_flip_plane(struct drm_device *dev, int plane);
942 void intel_check_page_flip(struct drm_device *dev, int pipe);
943 int intel_prepare_plane_fb(struct drm_plane *plane,
944 struct drm_framebuffer *fb);
945 void intel_cleanup_plane_fb(struct drm_plane *plane,
946 struct drm_framebuffer *fb);
948 /* shared dpll functions */
949 struct intel_shared_dpll *intel_crtc_to_shared_dpll(struct intel_crtc *crtc);
950 void assert_shared_dpll(struct drm_i915_private *dev_priv,
951 struct intel_shared_dpll *pll,
953 #define assert_shared_dpll_enabled(d, p) assert_shared_dpll(d, p, true)
954 #define assert_shared_dpll_disabled(d, p) assert_shared_dpll(d, p, false)
955 struct intel_shared_dpll *intel_get_shared_dpll(struct intel_crtc *crtc);
956 void intel_put_shared_dpll(struct intel_crtc *crtc);
958 void vlv_force_pll_on(struct drm_device *dev, enum pipe pipe,
959 const struct dpll *dpll);
960 void vlv_force_pll_off(struct drm_device *dev, enum pipe pipe);
962 /* modesetting asserts */
963 void assert_panel_unlocked(struct drm_i915_private *dev_priv,
965 void assert_pll(struct drm_i915_private *dev_priv,
966 enum pipe pipe, bool state);
967 #define assert_pll_enabled(d, p) assert_pll(d, p, true)
968 #define assert_pll_disabled(d, p) assert_pll(d, p, false)
969 void assert_fdi_rx_pll(struct drm_i915_private *dev_priv,
970 enum pipe pipe, bool state);
971 #define assert_fdi_rx_pll_enabled(d, p) assert_fdi_rx_pll(d, p, true)
972 #define assert_fdi_rx_pll_disabled(d, p) assert_fdi_rx_pll(d, p, false)
973 void assert_pipe(struct drm_i915_private *dev_priv, enum pipe pipe, bool state);
974 #define assert_pipe_enabled(d, p) assert_pipe(d, p, true)
975 #define assert_pipe_disabled(d, p) assert_pipe(d, p, false)
976 unsigned long intel_gen4_compute_page_offset(int *x, int *y,
977 unsigned int tiling_mode,
980 void intel_prepare_reset(struct drm_device *dev);
981 void intel_finish_reset(struct drm_device *dev);
982 void hsw_enable_pc8(struct drm_i915_private *dev_priv);
983 void hsw_disable_pc8(struct drm_i915_private *dev_priv);
984 void intel_dp_get_m_n(struct intel_crtc *crtc,
985 struct intel_crtc_config *pipe_config);
986 void intel_dp_set_m_n(struct intel_crtc *crtc);
987 int intel_dotclock_calculate(int link_freq, const struct intel_link_m_n *m_n);
989 ironlake_check_encoder_dotclock(const struct intel_crtc_config *pipe_config,
991 bool intel_crtc_active(struct drm_crtc *crtc);
992 void hsw_enable_ips(struct intel_crtc *crtc);
993 void hsw_disable_ips(struct intel_crtc *crtc);
994 enum intel_display_power_domain
995 intel_display_port_power_domain(struct intel_encoder *intel_encoder);
996 void intel_mode_from_pipe_config(struct drm_display_mode *mode,
997 struct intel_crtc_config *pipe_config);
998 int intel_format_to_fourcc(int format);
999 void intel_crtc_wait_for_pending_flips(struct drm_crtc *crtc);
1000 void intel_modeset_preclose(struct drm_device *dev, struct drm_file *file);
1003 void intel_dp_init(struct drm_device *dev, int output_reg, enum port port);
1004 bool intel_dp_init_connector(struct intel_digital_port *intel_dig_port,
1005 struct intel_connector *intel_connector);
1006 void intel_dp_start_link_train(struct intel_dp *intel_dp);
1007 void intel_dp_complete_link_train(struct intel_dp *intel_dp);
1008 void intel_dp_stop_link_train(struct intel_dp *intel_dp);
1009 void intel_dp_sink_dpms(struct intel_dp *intel_dp, int mode);
1010 void intel_dp_encoder_destroy(struct drm_encoder *encoder);
1011 void intel_dp_check_link_status(struct intel_dp *intel_dp);
1012 int intel_dp_sink_crc(struct intel_dp *intel_dp, u8 *crc);
1013 bool intel_dp_compute_config(struct intel_encoder *encoder,
1014 struct intel_crtc_config *pipe_config);
1015 bool intel_dp_is_edp(struct drm_device *dev, enum port port);
1016 bool intel_dp_hpd_pulse(struct intel_digital_port *intel_dig_port,
1018 void intel_edp_backlight_on(struct intel_dp *intel_dp);
1019 void intel_edp_backlight_off(struct intel_dp *intel_dp);
1020 void intel_edp_panel_vdd_on(struct intel_dp *intel_dp);
1021 void intel_edp_panel_on(struct intel_dp *intel_dp);
1022 void intel_edp_panel_off(struct intel_dp *intel_dp);
1023 void intel_dp_add_properties(struct intel_dp *intel_dp, struct drm_connector *connector);
1024 void intel_dp_mst_suspend(struct drm_device *dev);
1025 void intel_dp_mst_resume(struct drm_device *dev);
1026 int intel_dp_max_link_bw(struct intel_dp *intel_dp);
1027 void intel_dp_hot_plug(struct intel_encoder *intel_encoder);
1028 void vlv_power_sequencer_reset(struct drm_i915_private *dev_priv);
1029 uint32_t intel_dp_pack_aux(const uint8_t *src, int src_bytes);
1030 void intel_dp_unpack_aux(uint32_t src, uint8_t *dst, int dst_bytes);
1031 int intel_update_plane(struct drm_plane *plane, struct drm_crtc *crtc,
1032 struct drm_framebuffer *fb, int crtc_x, int crtc_y,
1033 unsigned int crtc_w, unsigned int crtc_h,
1034 uint32_t src_x, uint32_t src_y,
1035 uint32_t src_w, uint32_t src_h);
1036 int intel_disable_plane(struct drm_plane *plane);
1037 void intel_plane_destroy(struct drm_plane *plane);
1039 /* intel_dp_mst.c */
1040 int intel_dp_mst_encoder_init(struct intel_digital_port *intel_dig_port, int conn_id);
1041 void intel_dp_mst_encoder_cleanup(struct intel_digital_port *intel_dig_port);
1043 void intel_dsi_init(struct drm_device *dev);
1047 void intel_dvo_init(struct drm_device *dev);
1050 /* legacy fbdev emulation in intel_fbdev.c */
1051 #ifdef CONFIG_DRM_I915_FBDEV
1052 extern int intel_fbdev_init(struct drm_device *dev);
1053 extern void intel_fbdev_initial_config(void *data, async_cookie_t cookie);
1054 extern void intel_fbdev_fini(struct drm_device *dev);
1055 extern void intel_fbdev_set_suspend(struct drm_device *dev, int state, bool synchronous);
1056 extern void intel_fbdev_output_poll_changed(struct drm_device *dev);
1057 extern void intel_fbdev_restore_mode(struct drm_device *dev);
1059 static inline int intel_fbdev_init(struct drm_device *dev)
1064 static inline void intel_fbdev_initial_config(void *data, async_cookie_t cookie)
1068 static inline void intel_fbdev_fini(struct drm_device *dev)
1072 static inline void intel_fbdev_set_suspend(struct drm_device *dev, int state, bool synchronous)
1076 static inline void intel_fbdev_restore_mode(struct drm_device *dev)
1082 bool intel_fbc_enabled(struct drm_device *dev);
1083 void intel_fbc_update(struct drm_device *dev);
1084 void intel_fbc_init(struct drm_i915_private *dev_priv);
1085 void intel_fbc_disable(struct drm_device *dev);
1086 void bdw_fbc_sw_flush(struct drm_device *dev, u32 value);
1089 void intel_hdmi_init(struct drm_device *dev, int hdmi_reg, enum port port);
1090 void intel_hdmi_init_connector(struct intel_digital_port *intel_dig_port,
1091 struct intel_connector *intel_connector);
1092 struct intel_hdmi *enc_to_intel_hdmi(struct drm_encoder *encoder);
1093 bool intel_hdmi_compute_config(struct intel_encoder *encoder,
1094 struct intel_crtc_config *pipe_config);
1098 void intel_lvds_init(struct drm_device *dev);
1099 bool intel_is_dual_link_lvds(struct drm_device *dev);
1103 int intel_connector_update_modes(struct drm_connector *connector,
1105 int intel_ddc_get_modes(struct drm_connector *c, struct i2c_adapter *adapter);
1106 void intel_attach_force_audio_property(struct drm_connector *connector);
1107 void intel_attach_broadcast_rgb_property(struct drm_connector *connector);
1110 /* intel_overlay.c */
1111 void intel_setup_overlay(struct drm_device *dev);
1112 void intel_cleanup_overlay(struct drm_device *dev);
1113 int intel_overlay_switch_off(struct intel_overlay *overlay);
1114 int intel_overlay_put_image(struct drm_device *dev, void *data,
1115 struct drm_file *file_priv);
1116 int intel_overlay_attrs(struct drm_device *dev, void *data,
1117 struct drm_file *file_priv);
1118 void intel_overlay_reset(struct drm_i915_private *dev_priv);
1122 int intel_panel_init(struct intel_panel *panel,
1123 struct drm_display_mode *fixed_mode,
1124 struct drm_display_mode *downclock_mode);
1125 void intel_panel_fini(struct intel_panel *panel);
1126 void intel_fixed_panel_mode(const struct drm_display_mode *fixed_mode,
1127 struct drm_display_mode *adjusted_mode);
1128 void intel_pch_panel_fitting(struct intel_crtc *crtc,
1129 struct intel_crtc_config *pipe_config,
1131 void intel_gmch_panel_fitting(struct intel_crtc *crtc,
1132 struct intel_crtc_config *pipe_config,
1134 void intel_panel_set_backlight_acpi(struct intel_connector *connector,
1135 u32 level, u32 max);
1136 int intel_panel_setup_backlight(struct drm_connector *connector, enum pipe pipe);
1137 void intel_panel_enable_backlight(struct intel_connector *connector);
1138 void intel_panel_disable_backlight(struct intel_connector *connector);
1139 void intel_panel_destroy_backlight(struct drm_connector *connector);
1140 void intel_panel_init_backlight_funcs(struct drm_device *dev);
1141 enum drm_connector_status intel_panel_detect(struct drm_device *dev);
1142 extern struct drm_display_mode *intel_find_panel_downclock(
1143 struct drm_device *dev,
1144 struct drm_display_mode *fixed_mode,
1145 struct drm_connector *connector);
1146 void intel_backlight_register(struct drm_device *dev);
1147 void intel_backlight_unregister(struct drm_device *dev);
1151 void intel_psr_enable(struct intel_dp *intel_dp);
1152 void intel_psr_disable(struct intel_dp *intel_dp);
1153 void intel_psr_invalidate(struct drm_device *dev,
1154 unsigned frontbuffer_bits);
1155 void intel_psr_flush(struct drm_device *dev,
1156 unsigned frontbuffer_bits);
1157 void intel_psr_init(struct drm_device *dev);
1159 /* intel_runtime_pm.c */
1160 int intel_power_domains_init(struct drm_i915_private *);
1161 void intel_power_domains_fini(struct drm_i915_private *);
1162 void intel_power_domains_init_hw(struct drm_i915_private *dev_priv);
1163 void intel_runtime_pm_enable(struct drm_i915_private *dev_priv);
1165 bool intel_display_power_is_enabled(struct drm_i915_private *dev_priv,
1166 enum intel_display_power_domain domain);
1167 bool __intel_display_power_is_enabled(struct drm_i915_private *dev_priv,
1168 enum intel_display_power_domain domain);
1169 void intel_display_power_get(struct drm_i915_private *dev_priv,
1170 enum intel_display_power_domain domain);
1171 void intel_display_power_put(struct drm_i915_private *dev_priv,
1172 enum intel_display_power_domain domain);
1173 void intel_aux_display_runtime_get(struct drm_i915_private *dev_priv);
1174 void intel_aux_display_runtime_put(struct drm_i915_private *dev_priv);
1175 void intel_runtime_pm_get(struct drm_i915_private *dev_priv);
1176 void intel_runtime_pm_get_noresume(struct drm_i915_private *dev_priv);
1177 void intel_runtime_pm_put(struct drm_i915_private *dev_priv);
1179 void intel_display_set_init_power(struct drm_i915_private *dev, bool enable);
1182 void intel_init_clock_gating(struct drm_device *dev);
1183 void intel_suspend_hw(struct drm_device *dev);
1184 int ilk_wm_max_level(const struct drm_device *dev);
1185 void intel_update_watermarks(struct drm_crtc *crtc);
1186 void intel_update_sprite_watermarks(struct drm_plane *plane,
1187 struct drm_crtc *crtc,
1188 uint32_t sprite_width,
1189 uint32_t sprite_height,
1191 bool enabled, bool scaled);
1192 void intel_init_pm(struct drm_device *dev);
1193 void intel_pm_setup(struct drm_device *dev);
1194 void intel_gpu_ips_init(struct drm_i915_private *dev_priv);
1195 void intel_gpu_ips_teardown(void);
1196 void intel_init_gt_powersave(struct drm_device *dev);
1197 void intel_cleanup_gt_powersave(struct drm_device *dev);
1198 void intel_enable_gt_powersave(struct drm_device *dev);
1199 void intel_disable_gt_powersave(struct drm_device *dev);
1200 void intel_suspend_gt_powersave(struct drm_device *dev);
1201 void intel_reset_gt_powersave(struct drm_device *dev);
1202 void ironlake_teardown_rc6(struct drm_device *dev);
1203 void gen6_update_ring_freq(struct drm_device *dev);
1204 void gen6_rps_idle(struct drm_i915_private *dev_priv);
1205 void gen6_rps_boost(struct drm_i915_private *dev_priv);
1206 void ilk_wm_get_hw_state(struct drm_device *dev);
1207 void skl_wm_get_hw_state(struct drm_device *dev);
1208 void skl_ddb_get_hw_state(struct drm_i915_private *dev_priv,
1209 struct skl_ddb_allocation *ddb /* out */);
1213 bool intel_sdvo_init(struct drm_device *dev, uint32_t sdvo_reg, bool is_sdvob);
1216 /* intel_sprite.c */
1217 int intel_plane_init(struct drm_device *dev, enum pipe pipe, int plane);
1218 void intel_flush_primary_plane(struct drm_i915_private *dev_priv,
1220 int intel_plane_set_property(struct drm_plane *plane,
1221 struct drm_property *prop,
1223 int intel_plane_restore(struct drm_plane *plane);
1224 int intel_sprite_set_colorkey(struct drm_device *dev, void *data,
1225 struct drm_file *file_priv);
1226 int intel_sprite_get_colorkey(struct drm_device *dev, void *data,
1227 struct drm_file *file_priv);
1228 bool intel_pipe_update_start(struct intel_crtc *crtc,
1229 uint32_t *start_vbl_count);
1230 void intel_pipe_update_end(struct intel_crtc *crtc, u32 start_vbl_count);
1231 void intel_post_enable_primary(struct drm_crtc *crtc);
1232 void intel_pre_disable_primary(struct drm_crtc *crtc);
1235 void intel_tv_init(struct drm_device *dev);
1237 /* intel_atomic.c */
1238 struct drm_plane_state *intel_plane_duplicate_state(struct drm_plane *plane);
1239 void intel_plane_destroy_state(struct drm_plane *plane,
1240 struct drm_plane_state *state);
1241 extern const struct drm_plane_helper_funcs intel_plane_helper_funcs;
1243 #endif /* __INTEL_DRV_H__ */