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/i2c.h>
29 #include <linux/hdmi.h>
30 #include <drm/i915_drm.h>
32 #include <drm/drm_crtc.h>
33 #include <drm/drm_crtc_helper.h>
34 #include <drm/drm_fb_helper.h>
35 #include <drm/drm_dp_helper.h>
38 * _wait_for - magic (register) wait macro
40 * Does the right thing for modeset paths when run under kdgb or similar atomic
41 * contexts. Note that it's important that we check the condition again after
42 * having timed out, since the timeout could be due to preemption or similar and
43 * we've never had a chance to check the condition before the timeout.
45 #define _wait_for(COND, MS, W) ({ \
46 unsigned long timeout__ = jiffies + msecs_to_jiffies(MS) + 1; \
49 if (time_after(jiffies, timeout__)) { \
54 if (W && drm_can_sleep()) { \
63 #define wait_for(COND, MS) _wait_for(COND, MS, 1)
64 #define wait_for_atomic(COND, MS) _wait_for(COND, MS, 0)
65 #define wait_for_atomic_us(COND, US) _wait_for((COND), \
66 DIV_ROUND_UP((US), 1000), 0)
68 #define KHz(x) (1000 * (x))
69 #define MHz(x) KHz(1000 * (x))
72 * Display related stuff
75 /* store information about an Ixxx DVO */
76 /* The i830->i865 use multiple DVOs with multiple i2cs */
77 /* the i915, i945 have a single sDVO i2c bus - which is different */
79 /* maximum connectors per crtcs in the mode set */
81 /* Maximum cursor sizes */
82 #define GEN2_CURSOR_WIDTH 64
83 #define GEN2_CURSOR_HEIGHT 64
84 #define MAX_CURSOR_WIDTH 256
85 #define MAX_CURSOR_HEIGHT 256
87 #define INTEL_I2C_BUS_DVO 1
88 #define INTEL_I2C_BUS_SDVO 2
90 /* these are outputs from the chip - integrated only
91 external chips are via DVO or SDVO output */
92 #define INTEL_OUTPUT_UNUSED 0
93 #define INTEL_OUTPUT_ANALOG 1
94 #define INTEL_OUTPUT_DVO 2
95 #define INTEL_OUTPUT_SDVO 3
96 #define INTEL_OUTPUT_LVDS 4
97 #define INTEL_OUTPUT_TVOUT 5
98 #define INTEL_OUTPUT_HDMI 6
99 #define INTEL_OUTPUT_DISPLAYPORT 7
100 #define INTEL_OUTPUT_EDP 8
101 #define INTEL_OUTPUT_DSI 9
102 #define INTEL_OUTPUT_UNKNOWN 10
104 #define INTEL_DVO_CHIP_NONE 0
105 #define INTEL_DVO_CHIP_LVDS 1
106 #define INTEL_DVO_CHIP_TMDS 2
107 #define INTEL_DVO_CHIP_TVOUT 4
109 #define INTEL_DSI_VIDEO_MODE 0
110 #define INTEL_DSI_COMMAND_MODE 1
112 struct intel_framebuffer {
113 struct drm_framebuffer base;
114 struct drm_i915_gem_object *obj;
118 struct drm_fb_helper helper;
119 struct intel_framebuffer *fb;
120 struct list_head fbdev_list;
121 struct drm_display_mode *our_mode;
125 struct intel_encoder {
126 struct drm_encoder base;
128 * The new crtc this encoder will be driven from. Only differs from
129 * base->crtc while a modeset is in progress.
131 struct intel_crtc *new_crtc;
134 unsigned int cloneable;
135 bool connectors_active;
136 void (*hot_plug)(struct intel_encoder *);
137 bool (*compute_config)(struct intel_encoder *,
138 struct intel_crtc_config *);
139 void (*pre_pll_enable)(struct intel_encoder *);
140 void (*pre_enable)(struct intel_encoder *);
141 void (*enable)(struct intel_encoder *);
142 void (*mode_set)(struct intel_encoder *intel_encoder);
143 void (*disable)(struct intel_encoder *);
144 void (*post_disable)(struct intel_encoder *);
145 /* Read out the current hw state of this connector, returning true if
146 * the encoder is active. If the encoder is enabled it also set the pipe
147 * it is connected to in the pipe parameter. */
148 bool (*get_hw_state)(struct intel_encoder *, enum pipe *pipe);
149 /* Reconstructs the equivalent mode flags for the current hardware
150 * state. This must be called _after_ display->get_pipe_config has
151 * pre-filled the pipe config. Note that intel_encoder->base.crtc must
152 * be set correctly before calling this function. */
153 void (*get_config)(struct intel_encoder *,
154 struct intel_crtc_config *pipe_config);
156 enum hpd_pin hpd_pin;
160 struct drm_display_mode *fixed_mode;
161 struct drm_display_mode *downclock_mode;
170 bool combination_mode; /* gen 2/4 only */
172 struct backlight_device *device;
176 struct intel_connector {
177 struct drm_connector base;
179 * The fixed encoder this connector is connected to.
181 struct intel_encoder *encoder;
184 * The new encoder this connector will be driven. Only differs from
185 * encoder while a modeset is in progress.
187 struct intel_encoder *new_encoder;
189 /* Reads out the current hw, returning true if the connector is enabled
190 * and active (i.e. dpms ON state). */
191 bool (*get_hw_state)(struct intel_connector *);
194 * Removes all interfaces through which the connector is accessible
195 * - like sysfs, debugfs entries -, so that no new operations can be
196 * started on the connector. Also makes sure all currently pending
197 * operations finish before returing.
199 void (*unregister)(struct intel_connector *);
201 /* Panel info for eDP and LVDS */
202 struct intel_panel panel;
204 /* Cached EDID for eDP and LVDS. May hold ERR_PTR for invalid EDID. */
207 /* since POLL and HPD connectors may use the same HPD line keep the native
208 state of connector->polled in case hotplug storm detection changes it */
212 typedef struct dpll {
224 struct intel_plane_config {
230 struct intel_crtc_config {
232 * quirks - bitfield with hw state readout quirks
234 * For various reasons the hw state readout code might not be able to
235 * completely faithfully read out the current state. These cases are
236 * tracked with quirk flags so that fastboot and state checker can act
239 #define PIPE_CONFIG_QUIRK_MODE_SYNC_FLAGS (1<<0) /* unreliable sync mode.flags */
240 #define PIPE_CONFIG_QUIRK_INHERITED_MODE (1<<1) /* mode inherited from firmware */
241 unsigned long quirks;
243 /* User requested mode, only valid as a starting point to
244 * compute adjusted_mode, except in the case of (S)DVO where
245 * it's also for the output timings of the (S)DVO chip.
246 * adjusted_mode will then correspond to the S(DVO) chip's
247 * preferred input timings. */
248 struct drm_display_mode requested_mode;
249 /* Actual pipe timings ie. what we program into the pipe timing
250 * registers. adjusted_mode.crtc_clock is the pipe pixel clock. */
251 struct drm_display_mode adjusted_mode;
253 /* Pipe source size (ie. panel fitter input size)
254 * All planes will be positioned inside this space,
255 * and get clipped at the edges. */
256 int pipe_src_w, pipe_src_h;
258 /* Whether to set up the PCH/FDI. Note that we never allow sharing
259 * between pch encoders and cpu encoders. */
260 bool has_pch_encoder;
262 /* CPU Transcoder for the pipe. Currently this can only differ from the
263 * pipe on Haswell (where we have a special eDP transcoder). */
264 enum transcoder cpu_transcoder;
267 * Use reduced/limited/broadcast rbg range, compressing from the full
268 * range fed into the crtcs.
270 bool limited_color_range;
272 /* DP has a bunch of special case unfortunately, so mark the pipe
276 /* Whether we should send NULL infoframes. Required for audio. */
279 /* Audio enabled on this pipe. Only valid if either has_hdmi_sink or
280 * has_dp_encoder is set. */
284 * Enable dithering, used when the selected pipe bpp doesn't match the
289 /* Controls for the clock computation, to override various stages. */
292 /* SDVO TV has a bunch of special case. To make multifunction encoders
293 * work correctly, we need to track this at runtime.*/
297 * crtc bandwidth limit, don't increase pipe bpp or clock if not really
298 * required. This is set in the 2nd loop of calling encoder's
299 * ->compute_config if the first pick doesn't work out.
303 /* Settings for the intel dpll used on pretty much everything but
307 /* Selected dpll when shared or DPLL_ID_PRIVATE. */
308 enum intel_dpll_id shared_dpll;
310 /* PORT_CLK_SEL for DDI ports. */
311 uint32_t ddi_pll_sel;
313 /* Actual register state of the dpll, for shared dpll cross-checking. */
314 struct intel_dpll_hw_state dpll_hw_state;
317 struct intel_link_m_n dp_m_n;
319 /* m2_n2 for eDP downclock */
320 struct intel_link_m_n dp_m2_n2;
323 * Frequence the dpll for the port should run at. Differs from the
324 * adjusted dotclock e.g. for DP or 12bpc hdmi mode. This is also
325 * already multiplied by pixel_multiplier.
329 /* Used by SDVO (and if we ever fix it, HDMI). */
330 unsigned pixel_multiplier;
332 /* Panel fitter controls for gen2-gen4 + VLV */
336 u32 lvds_border_bits;
339 /* Panel fitter placement and size for Ironlake+ */
347 /* FDI configuration, only valid if has_pch_encoder is set. */
349 struct intel_link_m_n fdi_m_n;
356 struct intel_pipe_wm {
357 struct intel_wm_level wm[5];
361 bool sprites_enabled;
365 struct intel_mmio_flip {
371 struct drm_crtc base;
374 u8 lut_r[256], lut_g[256], lut_b[256];
376 * Whether the crtc and the connected output pipeline is active. Implies
377 * that crtc->enabled is set, i.e. the current mode configuration has
378 * some outputs connected to this crtc.
381 unsigned long enabled_power_domains;
382 bool primary_enabled; /* is the primary plane (partially) visible? */
384 struct intel_overlay *overlay;
385 struct intel_unpin_work *unpin_work;
387 atomic_t unpin_work_count;
389 /* Display surface base address adjustement for pageflips. Note that on
390 * gen4+ this only adjusts up to a tile, offsets within a tile are
391 * handled in the hw itself (with the TILEOFF register). */
392 unsigned long dspaddr_offset;
394 struct drm_i915_gem_object *cursor_bo;
395 uint32_t cursor_addr;
396 int16_t cursor_width, cursor_height;
397 uint32_t cursor_cntl;
398 uint32_t cursor_base;
400 struct intel_plane_config plane_config;
401 struct intel_crtc_config config;
402 struct intel_crtc_config *new_config;
405 /* reset counter value when the last flip was submitted */
406 unsigned int reset_counter;
408 /* Access to these should be protected by dev_priv->irq_lock. */
409 bool cpu_fifo_underrun_disabled;
410 bool pch_fifo_underrun_disabled;
412 /* per-pipe watermark state */
414 /* watermarks currently being used */
415 struct intel_pipe_wm active;
418 wait_queue_head_t vbl_wait;
421 struct intel_mmio_flip mmio_flip;
424 struct intel_plane_wm_parameters {
425 uint32_t horiz_pixels;
426 uint8_t bytes_per_pixel;
432 struct drm_plane base;
435 struct drm_i915_gem_object *obj;
439 unsigned int crtc_w, crtc_h;
440 uint32_t src_x, src_y;
441 uint32_t src_w, src_h;
443 /* Since we need to change the watermarks before/after
444 * enabling/disabling the planes, we need to store the parameters here
445 * as the other pieces of the struct may not reflect the values we want
446 * for the watermark calculations. Currently only Haswell uses this.
448 struct intel_plane_wm_parameters wm;
450 void (*update_plane)(struct drm_plane *plane,
451 struct drm_crtc *crtc,
452 struct drm_framebuffer *fb,
453 struct drm_i915_gem_object *obj,
454 int crtc_x, int crtc_y,
455 unsigned int crtc_w, unsigned int crtc_h,
456 uint32_t x, uint32_t y,
457 uint32_t src_w, uint32_t src_h);
458 void (*disable_plane)(struct drm_plane *plane,
459 struct drm_crtc *crtc);
460 int (*update_colorkey)(struct drm_plane *plane,
461 struct drm_intel_sprite_colorkey *key);
462 void (*get_colorkey)(struct drm_plane *plane,
463 struct drm_intel_sprite_colorkey *key);
466 struct intel_watermark_params {
467 unsigned long fifo_size;
468 unsigned long max_wm;
469 unsigned long default_wm;
470 unsigned long guard_size;
471 unsigned long cacheline_size;
474 struct cxsr_latency {
477 unsigned long fsb_freq;
478 unsigned long mem_freq;
479 unsigned long display_sr;
480 unsigned long display_hpll_disable;
481 unsigned long cursor_sr;
482 unsigned long cursor_hpll_disable;
485 #define to_intel_crtc(x) container_of(x, struct intel_crtc, base)
486 #define to_intel_connector(x) container_of(x, struct intel_connector, base)
487 #define to_intel_encoder(x) container_of(x, struct intel_encoder, base)
488 #define to_intel_framebuffer(x) container_of(x, struct intel_framebuffer, base)
489 #define to_intel_plane(x) container_of(x, struct intel_plane, base)
490 #define intel_fb_obj(x) (x ? to_intel_framebuffer(x)->obj : NULL)
495 uint32_t color_range;
496 bool color_range_auto;
499 enum hdmi_force_audio force_audio;
500 bool rgb_quant_range_selectable;
501 void (*write_infoframe)(struct drm_encoder *encoder,
502 enum hdmi_infoframe_type type,
503 const void *frame, ssize_t len);
504 void (*set_infoframes)(struct drm_encoder *encoder,
506 struct drm_display_mode *adjusted_mode);
509 #define DP_MAX_DOWNSTREAM_PORTS 0x10
512 * HIGH_RR is the highest eDP panel refresh rate read from EDID
513 * LOW_RR is the lowest eDP panel refresh rate found from EDID
514 * parsing for same resolution.
516 enum edp_drrs_refresh_rate_type {
519 DRRS_MAX_RR, /* RR count */
524 uint32_t aux_ch_ctl_reg;
527 enum hdmi_force_audio force_audio;
528 uint32_t color_range;
529 bool color_range_auto;
532 uint8_t dpcd[DP_RECEIVER_CAP_SIZE];
533 uint8_t psr_dpcd[EDP_PSR_RECEIVER_CAP_SIZE];
534 uint8_t downstream_ports[DP_MAX_DOWNSTREAM_PORTS];
535 struct drm_dp_aux aux;
536 uint8_t train_set[4];
537 int panel_power_up_delay;
538 int panel_power_down_delay;
539 int panel_power_cycle_delay;
540 int backlight_on_delay;
541 int backlight_off_delay;
542 struct delayed_work panel_vdd_work;
544 unsigned long last_power_cycle;
545 unsigned long last_power_on;
546 unsigned long last_backlight_off;
548 struct intel_connector *attached_connector;
550 uint32_t (*get_aux_clock_divider)(struct intel_dp *dp, int index);
552 * This function returns the value we have to program the AUX_CTL
553 * register with to kick off an AUX transaction.
555 uint32_t (*get_aux_send_ctl)(struct intel_dp *dp,
558 uint32_t aux_clock_divider);
560 enum drrs_support_type type;
561 enum edp_drrs_refresh_rate_type refresh_rate_type;
567 struct intel_digital_port {
568 struct intel_encoder base;
572 struct intel_hdmi hdmi;
573 bool (*hpd_pulse)(struct intel_digital_port *, bool);
577 vlv_dport_to_channel(struct intel_digital_port *dport)
579 switch (dport->port) {
591 vlv_pipe_to_channel(enum pipe pipe)
604 static inline struct drm_crtc *
605 intel_get_crtc_for_pipe(struct drm_device *dev, int pipe)
607 struct drm_i915_private *dev_priv = dev->dev_private;
608 return dev_priv->pipe_to_crtc_mapping[pipe];
611 static inline struct drm_crtc *
612 intel_get_crtc_for_plane(struct drm_device *dev, int plane)
614 struct drm_i915_private *dev_priv = dev->dev_private;
615 return dev_priv->plane_to_crtc_mapping[plane];
618 struct intel_unpin_work {
619 struct work_struct work;
620 struct drm_crtc *crtc;
621 struct drm_i915_gem_object *old_fb_obj;
622 struct drm_i915_gem_object *pending_flip_obj;
623 struct drm_pending_vblank_event *event;
625 #define INTEL_FLIP_INACTIVE 0
626 #define INTEL_FLIP_PENDING 1
627 #define INTEL_FLIP_COMPLETE 2
630 bool enable_stall_check;
633 struct intel_set_config {
634 struct drm_encoder **save_connector_encoders;
635 struct drm_crtc **save_encoder_crtcs;
636 bool *save_crtc_enabled;
642 struct intel_load_detect_pipe {
643 struct drm_framebuffer *release_fb;
644 bool load_detect_temp;
648 static inline struct intel_encoder *
649 intel_attached_encoder(struct drm_connector *connector)
651 return to_intel_connector(connector)->encoder;
654 static inline struct intel_digital_port *
655 enc_to_dig_port(struct drm_encoder *encoder)
657 return container_of(encoder, struct intel_digital_port, base.base);
660 static inline struct intel_dp *enc_to_intel_dp(struct drm_encoder *encoder)
662 return &enc_to_dig_port(encoder)->dp;
665 static inline struct intel_digital_port *
666 dp_to_dig_port(struct intel_dp *intel_dp)
668 return container_of(intel_dp, struct intel_digital_port, dp);
671 static inline struct intel_digital_port *
672 hdmi_to_dig_port(struct intel_hdmi *intel_hdmi)
674 return container_of(intel_hdmi, struct intel_digital_port, hdmi);
679 bool intel_set_cpu_fifo_underrun_reporting(struct drm_device *dev,
680 enum pipe pipe, bool enable);
681 bool intel_set_pch_fifo_underrun_reporting(struct drm_device *dev,
682 enum transcoder pch_transcoder,
684 void ilk_enable_gt_irq(struct drm_i915_private *dev_priv, uint32_t mask);
685 void ilk_disable_gt_irq(struct drm_i915_private *dev_priv, uint32_t mask);
686 void snb_enable_pm_irq(struct drm_i915_private *dev_priv, uint32_t mask);
687 void snb_disable_pm_irq(struct drm_i915_private *dev_priv, uint32_t mask);
688 void bdw_enable_pm_irq(struct drm_i915_private *dev_priv, uint32_t mask);
689 void bdw_disable_pm_irq(struct drm_i915_private *dev_priv, uint32_t mask);
690 void intel_runtime_pm_disable_interrupts(struct drm_device *dev);
691 void intel_runtime_pm_restore_interrupts(struct drm_device *dev);
692 int intel_get_crtc_scanline(struct intel_crtc *crtc);
693 void i9xx_check_fifo_underruns(struct drm_device *dev);
697 void intel_crt_init(struct drm_device *dev);
701 void intel_prepare_ddi(struct drm_device *dev);
702 void hsw_fdi_link_train(struct drm_crtc *crtc);
703 void intel_ddi_init(struct drm_device *dev, enum port port);
704 enum port intel_ddi_get_encoder_port(struct intel_encoder *intel_encoder);
705 bool intel_ddi_get_hw_state(struct intel_encoder *encoder, enum pipe *pipe);
706 int intel_ddi_get_cdclk_freq(struct drm_i915_private *dev_priv);
707 void intel_ddi_pll_init(struct drm_device *dev);
708 void intel_ddi_enable_transcoder_func(struct drm_crtc *crtc);
709 void intel_ddi_disable_transcoder_func(struct drm_i915_private *dev_priv,
710 enum transcoder cpu_transcoder);
711 void intel_ddi_enable_pipe_clock(struct intel_crtc *intel_crtc);
712 void intel_ddi_disable_pipe_clock(struct intel_crtc *intel_crtc);
713 void intel_ddi_setup_hw_pll_state(struct drm_device *dev);
714 bool intel_ddi_pll_select(struct intel_crtc *crtc);
715 void intel_ddi_pll_enable(struct intel_crtc *crtc);
716 void intel_ddi_put_crtc_pll(struct drm_crtc *crtc);
717 void intel_ddi_set_pipe_settings(struct drm_crtc *crtc);
718 void intel_ddi_prepare_link_retrain(struct drm_encoder *encoder);
719 bool intel_ddi_connector_get_hw_state(struct intel_connector *intel_connector);
720 void intel_ddi_fdi_disable(struct drm_crtc *crtc);
721 void intel_ddi_get_config(struct intel_encoder *encoder,
722 struct intel_crtc_config *pipe_config);
725 /* intel_display.c */
726 const char *intel_output_name(int output);
727 bool intel_has_pending_fb_unpin(struct drm_device *dev);
728 int intel_pch_rawclk(struct drm_device *dev);
729 void intel_mark_busy(struct drm_device *dev);
730 void intel_fb_obj_invalidate(struct drm_i915_gem_object *obj,
731 struct intel_engine_cs *ring);
732 void intel_frontbuffer_flip_prepare(struct drm_device *dev,
733 unsigned frontbuffer_bits);
734 void intel_frontbuffer_flip_complete(struct drm_device *dev,
735 unsigned frontbuffer_bits);
736 void intel_frontbuffer_flush(struct drm_device *dev,
737 unsigned frontbuffer_bits);
739 * intel_frontbuffer_flip - prepare frontbuffer flip
741 * @frontbuffer_bits: frontbuffer plane tracking bits
743 * This function gets called after scheduling a flip on @obj. This is for
744 * synchronous plane updates which will happen on the next vblank and which will
745 * not get delayed by pending gpu rendering.
747 * Can be called without any locks held.
750 void intel_frontbuffer_flip(struct drm_device *dev,
751 unsigned frontbuffer_bits)
753 intel_frontbuffer_flush(dev, frontbuffer_bits);
756 void intel_fb_obj_flush(struct drm_i915_gem_object *obj, bool retire);
757 void intel_mark_idle(struct drm_device *dev);
758 void intel_crtc_restore_mode(struct drm_crtc *crtc);
759 void intel_crtc_update_dpms(struct drm_crtc *crtc);
760 void intel_encoder_destroy(struct drm_encoder *encoder);
761 void intel_connector_dpms(struct drm_connector *, int mode);
762 bool intel_connector_get_hw_state(struct intel_connector *connector);
763 void intel_modeset_check_state(struct drm_device *dev);
764 bool ibx_digital_port_connected(struct drm_i915_private *dev_priv,
765 struct intel_digital_port *port);
766 void intel_connector_attach_encoder(struct intel_connector *connector,
767 struct intel_encoder *encoder);
768 struct drm_encoder *intel_best_encoder(struct drm_connector *connector);
769 struct drm_display_mode *intel_crtc_mode_get(struct drm_device *dev,
770 struct drm_crtc *crtc);
771 enum pipe intel_get_pipe_from_connector(struct intel_connector *connector);
772 int intel_get_pipe_from_crtc_id(struct drm_device *dev, void *data,
773 struct drm_file *file_priv);
774 enum transcoder intel_pipe_to_cpu_transcoder(struct drm_i915_private *dev_priv,
776 void intel_wait_for_vblank(struct drm_device *dev, int pipe);
777 void intel_wait_for_pipe_off(struct drm_device *dev, int pipe);
778 int ironlake_get_lanes_required(int target_clock, int link_bw, int bpp);
779 void vlv_wait_port_ready(struct drm_i915_private *dev_priv,
780 struct intel_digital_port *dport);
781 bool intel_get_load_detect_pipe(struct drm_connector *connector,
782 struct drm_display_mode *mode,
783 struct intel_load_detect_pipe *old,
784 struct drm_modeset_acquire_ctx *ctx);
785 void intel_release_load_detect_pipe(struct drm_connector *connector,
786 struct intel_load_detect_pipe *old,
787 struct drm_modeset_acquire_ctx *ctx);
788 int intel_pin_and_fence_fb_obj(struct drm_device *dev,
789 struct drm_i915_gem_object *obj,
790 struct intel_engine_cs *pipelined);
791 void intel_unpin_fb_obj(struct drm_i915_gem_object *obj);
792 struct drm_framebuffer *
793 __intel_framebuffer_create(struct drm_device *dev,
794 struct drm_mode_fb_cmd2 *mode_cmd,
795 struct drm_i915_gem_object *obj);
796 void intel_prepare_page_flip(struct drm_device *dev, int plane);
797 void intel_finish_page_flip(struct drm_device *dev, int pipe);
798 void intel_finish_page_flip_plane(struct drm_device *dev, int plane);
799 struct intel_shared_dpll *intel_crtc_to_shared_dpll(struct intel_crtc *crtc);
800 void assert_shared_dpll(struct drm_i915_private *dev_priv,
801 struct intel_shared_dpll *pll,
803 #define assert_shared_dpll_enabled(d, p) assert_shared_dpll(d, p, true)
804 #define assert_shared_dpll_disabled(d, p) assert_shared_dpll(d, p, false)
805 void assert_pll(struct drm_i915_private *dev_priv,
806 enum pipe pipe, bool state);
807 #define assert_pll_enabled(d, p) assert_pll(d, p, true)
808 #define assert_pll_disabled(d, p) assert_pll(d, p, false)
809 void assert_fdi_rx_pll(struct drm_i915_private *dev_priv,
810 enum pipe pipe, bool state);
811 #define assert_fdi_rx_pll_enabled(d, p) assert_fdi_rx_pll(d, p, true)
812 #define assert_fdi_rx_pll_disabled(d, p) assert_fdi_rx_pll(d, p, false)
813 void assert_pipe(struct drm_i915_private *dev_priv, enum pipe pipe, bool state);
814 #define assert_pipe_enabled(d, p) assert_pipe(d, p, true)
815 #define assert_pipe_disabled(d, p) assert_pipe(d, p, false)
816 void intel_write_eld(struct drm_encoder *encoder,
817 struct drm_display_mode *mode);
818 unsigned long intel_gen4_compute_page_offset(int *x, int *y,
819 unsigned int tiling_mode,
822 void intel_display_handle_reset(struct drm_device *dev);
823 void hsw_enable_pc8(struct drm_i915_private *dev_priv);
824 void hsw_disable_pc8(struct drm_i915_private *dev_priv);
825 void intel_dp_get_m_n(struct intel_crtc *crtc,
826 struct intel_crtc_config *pipe_config);
827 int intel_dotclock_calculate(int link_freq, const struct intel_link_m_n *m_n);
829 ironlake_check_encoder_dotclock(const struct intel_crtc_config *pipe_config,
831 bool intel_crtc_active(struct drm_crtc *crtc);
832 void hsw_enable_ips(struct intel_crtc *crtc);
833 void hsw_disable_ips(struct intel_crtc *crtc);
834 void intel_display_set_init_power(struct drm_i915_private *dev, bool enable);
835 enum intel_display_power_domain
836 intel_display_port_power_domain(struct intel_encoder *intel_encoder);
837 void intel_mode_from_pipe_config(struct drm_display_mode *mode,
838 struct intel_crtc_config *pipe_config);
839 int intel_format_to_fourcc(int format);
840 void intel_crtc_wait_for_pending_flips(struct drm_crtc *crtc);
844 void intel_dp_init(struct drm_device *dev, int output_reg, enum port port);
845 bool intel_dp_init_connector(struct intel_digital_port *intel_dig_port,
846 struct intel_connector *intel_connector);
847 void intel_dp_start_link_train(struct intel_dp *intel_dp);
848 void intel_dp_complete_link_train(struct intel_dp *intel_dp);
849 void intel_dp_stop_link_train(struct intel_dp *intel_dp);
850 void intel_dp_sink_dpms(struct intel_dp *intel_dp, int mode);
851 void intel_dp_encoder_destroy(struct drm_encoder *encoder);
852 void intel_dp_check_link_status(struct intel_dp *intel_dp);
853 int intel_dp_sink_crc(struct intel_dp *intel_dp, u8 *crc);
854 bool intel_dp_compute_config(struct intel_encoder *encoder,
855 struct intel_crtc_config *pipe_config);
856 bool intel_dp_is_edp(struct drm_device *dev, enum port port);
857 bool intel_dp_hpd_pulse(struct intel_digital_port *intel_dig_port,
859 void intel_edp_backlight_on(struct intel_dp *intel_dp);
860 void intel_edp_backlight_off(struct intel_dp *intel_dp);
861 void intel_edp_panel_vdd_on(struct intel_dp *intel_dp);
862 void intel_edp_panel_on(struct intel_dp *intel_dp);
863 void intel_edp_panel_off(struct intel_dp *intel_dp);
864 void intel_edp_psr_enable(struct intel_dp *intel_dp);
865 void intel_edp_psr_disable(struct intel_dp *intel_dp);
866 void intel_dp_set_drrs_state(struct drm_device *dev, int refresh_rate);
867 void intel_edp_psr_exit(struct drm_device *dev);
868 void intel_edp_psr_init(struct drm_device *dev);
871 void intel_dsi_init(struct drm_device *dev);
875 void intel_dvo_init(struct drm_device *dev);
878 /* legacy fbdev emulation in intel_fbdev.c */
879 #ifdef CONFIG_DRM_I915_FBDEV
880 extern int intel_fbdev_init(struct drm_device *dev);
881 extern void intel_fbdev_initial_config(struct drm_device *dev);
882 extern void intel_fbdev_fini(struct drm_device *dev);
883 extern void intel_fbdev_set_suspend(struct drm_device *dev, int state);
884 extern void intel_fbdev_output_poll_changed(struct drm_device *dev);
885 extern void intel_fbdev_restore_mode(struct drm_device *dev);
887 static inline int intel_fbdev_init(struct drm_device *dev)
892 static inline void intel_fbdev_initial_config(struct drm_device *dev)
896 static inline void intel_fbdev_fini(struct drm_device *dev)
900 static inline void intel_fbdev_set_suspend(struct drm_device *dev, int state)
904 static inline void intel_fbdev_restore_mode(struct drm_device *dev)
910 void intel_hdmi_init(struct drm_device *dev, int hdmi_reg, enum port port);
911 void intel_hdmi_init_connector(struct intel_digital_port *intel_dig_port,
912 struct intel_connector *intel_connector);
913 struct intel_hdmi *enc_to_intel_hdmi(struct drm_encoder *encoder);
914 bool intel_hdmi_compute_config(struct intel_encoder *encoder,
915 struct intel_crtc_config *pipe_config);
919 void intel_lvds_init(struct drm_device *dev);
920 bool intel_is_dual_link_lvds(struct drm_device *dev);
924 int intel_connector_update_modes(struct drm_connector *connector,
926 int intel_ddc_get_modes(struct drm_connector *c, struct i2c_adapter *adapter);
927 void intel_attach_force_audio_property(struct drm_connector *connector);
928 void intel_attach_broadcast_rgb_property(struct drm_connector *connector);
931 /* intel_overlay.c */
932 void intel_setup_overlay(struct drm_device *dev);
933 void intel_cleanup_overlay(struct drm_device *dev);
934 int intel_overlay_switch_off(struct intel_overlay *overlay);
935 int intel_overlay_put_image(struct drm_device *dev, void *data,
936 struct drm_file *file_priv);
937 int intel_overlay_attrs(struct drm_device *dev, void *data,
938 struct drm_file *file_priv);
942 int intel_panel_init(struct intel_panel *panel,
943 struct drm_display_mode *fixed_mode,
944 struct drm_display_mode *downclock_mode);
945 void intel_panel_fini(struct intel_panel *panel);
946 void intel_fixed_panel_mode(const struct drm_display_mode *fixed_mode,
947 struct drm_display_mode *adjusted_mode);
948 void intel_pch_panel_fitting(struct intel_crtc *crtc,
949 struct intel_crtc_config *pipe_config,
951 void intel_gmch_panel_fitting(struct intel_crtc *crtc,
952 struct intel_crtc_config *pipe_config,
954 void intel_panel_set_backlight(struct intel_connector *connector, u32 level,
956 int intel_panel_setup_backlight(struct drm_connector *connector);
957 void intel_panel_enable_backlight(struct intel_connector *connector);
958 void intel_panel_disable_backlight(struct intel_connector *connector);
959 void intel_panel_destroy_backlight(struct drm_connector *connector);
960 void intel_panel_init_backlight_funcs(struct drm_device *dev);
961 enum drm_connector_status intel_panel_detect(struct drm_device *dev);
962 extern struct drm_display_mode *intel_find_panel_downclock(
963 struct drm_device *dev,
964 struct drm_display_mode *fixed_mode,
965 struct drm_connector *connector);
968 void intel_init_clock_gating(struct drm_device *dev);
969 void intel_suspend_hw(struct drm_device *dev);
970 int ilk_wm_max_level(const struct drm_device *dev);
971 void intel_update_watermarks(struct drm_crtc *crtc);
972 void intel_update_sprite_watermarks(struct drm_plane *plane,
973 struct drm_crtc *crtc,
974 uint32_t sprite_width, int pixel_size,
975 bool enabled, bool scaled);
976 void intel_init_pm(struct drm_device *dev);
977 void intel_pm_setup(struct drm_device *dev);
978 bool intel_fbc_enabled(struct drm_device *dev);
979 void intel_update_fbc(struct drm_device *dev);
980 void intel_gpu_ips_init(struct drm_i915_private *dev_priv);
981 void intel_gpu_ips_teardown(void);
982 int intel_power_domains_init(struct drm_i915_private *);
983 void intel_power_domains_remove(struct drm_i915_private *);
984 bool intel_display_power_enabled(struct drm_i915_private *dev_priv,
985 enum intel_display_power_domain domain);
986 bool intel_display_power_enabled_unlocked(struct drm_i915_private *dev_priv,
987 enum intel_display_power_domain domain);
988 void intel_display_power_get(struct drm_i915_private *dev_priv,
989 enum intel_display_power_domain domain);
990 void intel_display_power_put(struct drm_i915_private *dev_priv,
991 enum intel_display_power_domain domain);
992 void intel_power_domains_init_hw(struct drm_i915_private *dev_priv);
993 void intel_init_gt_powersave(struct drm_device *dev);
994 void intel_cleanup_gt_powersave(struct drm_device *dev);
995 void intel_enable_gt_powersave(struct drm_device *dev);
996 void intel_disable_gt_powersave(struct drm_device *dev);
997 void intel_suspend_gt_powersave(struct drm_device *dev);
998 void intel_reset_gt_powersave(struct drm_device *dev);
999 void ironlake_teardown_rc6(struct drm_device *dev);
1000 void gen6_update_ring_freq(struct drm_device *dev);
1001 void gen6_rps_idle(struct drm_i915_private *dev_priv);
1002 void gen6_rps_boost(struct drm_i915_private *dev_priv);
1003 void intel_aux_display_runtime_get(struct drm_i915_private *dev_priv);
1004 void intel_aux_display_runtime_put(struct drm_i915_private *dev_priv);
1005 void intel_runtime_pm_get(struct drm_i915_private *dev_priv);
1006 void intel_runtime_pm_get_noresume(struct drm_i915_private *dev_priv);
1007 void intel_runtime_pm_put(struct drm_i915_private *dev_priv);
1008 void intel_init_runtime_pm(struct drm_i915_private *dev_priv);
1009 void intel_fini_runtime_pm(struct drm_i915_private *dev_priv);
1010 void ilk_wm_get_hw_state(struct drm_device *dev);
1014 bool intel_sdvo_init(struct drm_device *dev, uint32_t sdvo_reg, bool is_sdvob);
1017 /* intel_sprite.c */
1018 int intel_plane_init(struct drm_device *dev, enum pipe pipe, int plane);
1019 void intel_flush_primary_plane(struct drm_i915_private *dev_priv,
1021 void intel_plane_restore(struct drm_plane *plane);
1022 void intel_plane_disable(struct drm_plane *plane);
1023 int intel_sprite_set_colorkey(struct drm_device *dev, void *data,
1024 struct drm_file *file_priv);
1025 int intel_sprite_get_colorkey(struct drm_device *dev, void *data,
1026 struct drm_file *file_priv);
1030 void intel_tv_init(struct drm_device *dev);
1032 #endif /* __INTEL_DRV_H__ */