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_state
*);
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_state
*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_state
{
267 struct drm_crtc_state base
;
270 * quirks - bitfield with hw state readout quirks
272 * For various reasons the hw state readout code might not be able to
273 * completely faithfully read out the current state. These cases are
274 * tracked with quirk flags so that fastboot and state checker can act
277 #define PIPE_CONFIG_QUIRK_MODE_SYNC_FLAGS (1<<0) /* unreliable sync mode.flags */
278 #define PIPE_CONFIG_QUIRK_INHERITED_MODE (1<<1) /* mode inherited from firmware */
279 unsigned long quirks
;
281 /* Pipe source size (ie. panel fitter input size)
282 * All planes will be positioned inside this space,
283 * and get clipped at the edges. */
284 int pipe_src_w
, pipe_src_h
;
286 /* Whether to set up the PCH/FDI. Note that we never allow sharing
287 * between pch encoders and cpu encoders. */
288 bool has_pch_encoder
;
290 /* Are we sending infoframes on the attached port */
293 /* CPU Transcoder for the pipe. Currently this can only differ from the
294 * pipe on Haswell (where we have a special eDP transcoder). */
295 enum transcoder cpu_transcoder
;
298 * Use reduced/limited/broadcast rbg range, compressing from the full
299 * range fed into the crtcs.
301 bool limited_color_range
;
303 /* DP has a bunch of special case unfortunately, so mark the pipe
307 /* Whether we should send NULL infoframes. Required for audio. */
310 /* Audio enabled on this pipe. Only valid if either has_hdmi_sink or
311 * has_dp_encoder is set. */
315 * Enable dithering, used when the selected pipe bpp doesn't match the
320 /* Controls for the clock computation, to override various stages. */
323 /* SDVO TV has a bunch of special case. To make multifunction encoders
324 * work correctly, we need to track this at runtime.*/
328 * crtc bandwidth limit, don't increase pipe bpp or clock if not really
329 * required. This is set in the 2nd loop of calling encoder's
330 * ->compute_config if the first pick doesn't work out.
334 /* Settings for the intel dpll used on pretty much everything but
338 /* Selected dpll when shared or DPLL_ID_PRIVATE. */
339 enum intel_dpll_id shared_dpll
;
342 * - PORT_CLK_SEL for DDI ports on HSW/BDW.
343 * - enum skl_dpll on SKL
345 uint32_t ddi_pll_sel
;
347 /* Actual register state of the dpll, for shared dpll cross-checking. */
348 struct intel_dpll_hw_state dpll_hw_state
;
351 struct intel_link_m_n dp_m_n
;
353 /* m2_n2 for eDP downclock */
354 struct intel_link_m_n dp_m2_n2
;
358 * Frequence the dpll for the port should run at. Differs from the
359 * adjusted dotclock e.g. for DP or 12bpc hdmi mode. This is also
360 * already multiplied by pixel_multiplier.
364 /* Used by SDVO (and if we ever fix it, HDMI). */
365 unsigned pixel_multiplier
;
367 /* Panel fitter controls for gen2-gen4 + VLV */
371 u32 lvds_border_bits
;
374 /* Panel fitter placement and size for Ironlake+ */
382 /* FDI configuration, only valid if has_pch_encoder is set. */
384 struct intel_link_m_n fdi_m_n
;
390 bool dp_encoder_is_mst
;
394 struct intel_pipe_wm
{
395 struct intel_wm_level wm
[5];
399 bool sprites_enabled
;
403 struct intel_mmio_flip
{
404 struct drm_i915_gem_request
*req
;
405 struct work_struct work
;
409 struct skl_wm_level wm
[8];
410 struct skl_wm_level trans_wm
;
415 * Tracking of operations that need to be performed at the beginning/end of an
416 * atomic commit, outside the atomic section where interrupts are disabled.
417 * These are generally operations that grab mutexes or might otherwise sleep
418 * and thus can't be run with interrupts disabled.
420 struct intel_crtc_atomic_commit
{
423 unsigned start_vbl_count
;
425 /* Sleepable operations to perform before commit */
428 bool pre_disable_primary
;
430 unsigned disabled_planes
;
432 /* Sleepable operations to perform after commit */
436 bool post_enable_primary
;
437 unsigned update_sprite_watermarks
;
441 struct drm_crtc base
;
444 u8 lut_r
[256], lut_g
[256], lut_b
[256];
446 * Whether the crtc and the connected output pipeline is active. Implies
447 * that crtc->enabled is set, i.e. the current mode configuration has
448 * some outputs connected to this crtc.
451 unsigned long enabled_power_domains
;
452 bool primary_enabled
; /* is the primary plane (partially) visible? */
454 struct intel_overlay
*overlay
;
455 struct intel_unpin_work
*unpin_work
;
457 atomic_t unpin_work_count
;
459 /* Display surface base address adjustement for pageflips. Note that on
460 * gen4+ this only adjusts up to a tile, offsets within a tile are
461 * handled in the hw itself (with the TILEOFF register). */
462 unsigned long dspaddr_offset
;
464 struct drm_i915_gem_object
*cursor_bo
;
465 uint32_t cursor_addr
;
466 int16_t cursor_width
, cursor_height
;
467 uint32_t cursor_cntl
;
468 uint32_t cursor_size
;
469 uint32_t cursor_base
;
471 struct intel_plane_config plane_config
;
472 struct intel_crtc_state config
;
473 struct intel_crtc_state
*new_config
;
476 /* reset counter value when the last flip was submitted */
477 unsigned int reset_counter
;
479 /* Access to these should be protected by dev_priv->irq_lock. */
480 bool cpu_fifo_underrun_disabled
;
481 bool pch_fifo_underrun_disabled
;
483 /* per-pipe watermark state */
485 /* watermarks currently being used */
486 struct intel_pipe_wm active
;
487 /* SKL wm values currently in use */
488 struct skl_pipe_wm skl_active
;
492 struct intel_mmio_flip mmio_flip
;
494 struct intel_crtc_atomic_commit atomic
;
497 struct intel_plane_wm_parameters
{
498 uint32_t horiz_pixels
;
499 uint32_t vert_pixels
;
500 uint8_t bytes_per_pixel
;
506 struct drm_plane base
;
509 struct drm_i915_gem_object
*obj
;
512 unsigned int rotation
;
514 /* Since we need to change the watermarks before/after
515 * enabling/disabling the planes, we need to store the parameters here
516 * as the other pieces of the struct may not reflect the values we want
517 * for the watermark calculations. Currently only Haswell uses this.
519 struct intel_plane_wm_parameters wm
;
521 void (*update_plane
)(struct drm_plane
*plane
,
522 struct drm_crtc
*crtc
,
523 struct drm_framebuffer
*fb
,
524 struct drm_i915_gem_object
*obj
,
525 int crtc_x
, int crtc_y
,
526 unsigned int crtc_w
, unsigned int crtc_h
,
527 uint32_t x
, uint32_t y
,
528 uint32_t src_w
, uint32_t src_h
);
529 void (*disable_plane
)(struct drm_plane
*plane
,
530 struct drm_crtc
*crtc
);
531 int (*check_plane
)(struct drm_plane
*plane
,
532 struct intel_plane_state
*state
);
533 void (*commit_plane
)(struct drm_plane
*plane
,
534 struct intel_plane_state
*state
);
535 int (*update_colorkey
)(struct drm_plane
*plane
,
536 struct drm_intel_sprite_colorkey
*key
);
537 void (*get_colorkey
)(struct drm_plane
*plane
,
538 struct drm_intel_sprite_colorkey
*key
);
541 struct intel_watermark_params
{
542 unsigned long fifo_size
;
543 unsigned long max_wm
;
544 unsigned long default_wm
;
545 unsigned long guard_size
;
546 unsigned long cacheline_size
;
549 struct cxsr_latency
{
552 unsigned long fsb_freq
;
553 unsigned long mem_freq
;
554 unsigned long display_sr
;
555 unsigned long display_hpll_disable
;
556 unsigned long cursor_sr
;
557 unsigned long cursor_hpll_disable
;
560 #define to_intel_crtc(x) container_of(x, struct intel_crtc, base)
561 #define to_intel_connector(x) container_of(x, struct intel_connector, base)
562 #define to_intel_encoder(x) container_of(x, struct intel_encoder, base)
563 #define to_intel_framebuffer(x) container_of(x, struct intel_framebuffer, base)
564 #define to_intel_plane(x) container_of(x, struct intel_plane, base)
565 #define to_intel_plane_state(x) container_of(x, struct intel_plane_state, base)
566 #define intel_fb_obj(x) (x ? to_intel_framebuffer(x)->obj : NULL)
571 uint32_t color_range
;
572 bool color_range_auto
;
575 enum hdmi_force_audio force_audio
;
576 bool rgb_quant_range_selectable
;
577 enum hdmi_picture_aspect aspect_ratio
;
578 void (*write_infoframe
)(struct drm_encoder
*encoder
,
579 enum hdmi_infoframe_type type
,
580 const void *frame
, ssize_t len
);
581 void (*set_infoframes
)(struct drm_encoder
*encoder
,
583 struct drm_display_mode
*adjusted_mode
);
584 bool (*infoframe_enabled
)(struct drm_encoder
*encoder
);
587 struct intel_dp_mst_encoder
;
588 #define DP_MAX_DOWNSTREAM_PORTS 0x10
592 uint32_t aux_ch_ctl_reg
;
595 enum hdmi_force_audio force_audio
;
596 uint32_t color_range
;
597 bool color_range_auto
;
600 uint8_t dpcd
[DP_RECEIVER_CAP_SIZE
];
601 uint8_t psr_dpcd
[EDP_PSR_RECEIVER_CAP_SIZE
];
602 uint8_t downstream_ports
[DP_MAX_DOWNSTREAM_PORTS
];
603 struct drm_dp_aux aux
;
604 uint8_t train_set
[4];
605 int panel_power_up_delay
;
606 int panel_power_down_delay
;
607 int panel_power_cycle_delay
;
608 int backlight_on_delay
;
609 int backlight_off_delay
;
610 struct delayed_work panel_vdd_work
;
612 unsigned long last_power_cycle
;
613 unsigned long last_power_on
;
614 unsigned long last_backlight_off
;
616 struct notifier_block edp_notifier
;
619 * Pipe whose power sequencer is currently locked into
620 * this port. Only relevant on VLV/CHV.
623 struct edp_power_seq pps_delays
;
626 bool can_mst
; /* this port supports mst */
628 int active_mst_links
;
629 /* connector directly attached - won't be use for modeset in mst world */
630 struct intel_connector
*attached_connector
;
632 /* mst connector list */
633 struct intel_dp_mst_encoder
*mst_encoders
[I915_MAX_PIPES
];
634 struct drm_dp_mst_topology_mgr mst_mgr
;
636 uint32_t (*get_aux_clock_divider
)(struct intel_dp
*dp
, int index
);
638 * This function returns the value we have to program the AUX_CTL
639 * register with to kick off an AUX transaction.
641 uint32_t (*get_aux_send_ctl
)(struct intel_dp
*dp
,
644 uint32_t aux_clock_divider
);
647 struct intel_digital_port
{
648 struct intel_encoder base
;
652 struct intel_hdmi hdmi
;
653 bool (*hpd_pulse
)(struct intel_digital_port
*, bool);
656 struct intel_dp_mst_encoder
{
657 struct intel_encoder base
;
659 struct intel_digital_port
*primary
;
660 void *port
; /* store this opaque as its illegal to dereference it */
664 vlv_dport_to_channel(struct intel_digital_port
*dport
)
666 switch (dport
->port
) {
678 vlv_pipe_to_channel(enum pipe pipe
)
691 static inline struct drm_crtc
*
692 intel_get_crtc_for_pipe(struct drm_device
*dev
, int pipe
)
694 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
695 return dev_priv
->pipe_to_crtc_mapping
[pipe
];
698 static inline struct drm_crtc
*
699 intel_get_crtc_for_plane(struct drm_device
*dev
, int plane
)
701 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
702 return dev_priv
->plane_to_crtc_mapping
[plane
];
705 struct intel_unpin_work
{
706 struct work_struct work
;
707 struct drm_crtc
*crtc
;
708 struct drm_i915_gem_object
*old_fb_obj
;
709 struct drm_i915_gem_object
*pending_flip_obj
;
710 struct drm_pending_vblank_event
*event
;
712 #define INTEL_FLIP_INACTIVE 0
713 #define INTEL_FLIP_PENDING 1
714 #define INTEL_FLIP_COMPLETE 2
717 struct drm_i915_gem_request
*flip_queued_req
;
718 int flip_queued_vblank
;
719 int flip_ready_vblank
;
720 bool enable_stall_check
;
723 struct intel_set_config
{
724 struct drm_encoder
**save_connector_encoders
;
725 struct drm_crtc
**save_encoder_crtcs
;
726 bool *save_crtc_enabled
;
732 struct intel_load_detect_pipe
{
733 struct drm_framebuffer
*release_fb
;
734 bool load_detect_temp
;
738 static inline struct intel_encoder
*
739 intel_attached_encoder(struct drm_connector
*connector
)
741 return to_intel_connector(connector
)->encoder
;
744 static inline struct intel_digital_port
*
745 enc_to_dig_port(struct drm_encoder
*encoder
)
747 return container_of(encoder
, struct intel_digital_port
, base
.base
);
750 static inline struct intel_dp_mst_encoder
*
751 enc_to_mst(struct drm_encoder
*encoder
)
753 return container_of(encoder
, struct intel_dp_mst_encoder
, base
.base
);
756 static inline struct intel_dp
*enc_to_intel_dp(struct drm_encoder
*encoder
)
758 return &enc_to_dig_port(encoder
)->dp
;
761 static inline struct intel_digital_port
*
762 dp_to_dig_port(struct intel_dp
*intel_dp
)
764 return container_of(intel_dp
, struct intel_digital_port
, dp
);
767 static inline struct intel_digital_port
*
768 hdmi_to_dig_port(struct intel_hdmi
*intel_hdmi
)
770 return container_of(intel_hdmi
, struct intel_digital_port
, hdmi
);
774 * Returns the number of planes for this pipe, ie the number of sprites + 1
775 * (primary plane). This doesn't count the cursor plane then.
777 static inline unsigned int intel_num_planes(struct intel_crtc
*crtc
)
779 return INTEL_INFO(crtc
->base
.dev
)->num_sprites
[crtc
->pipe
] + 1;
782 /* intel_fifo_underrun.c */
783 bool intel_set_cpu_fifo_underrun_reporting(struct drm_i915_private
*dev_priv
,
784 enum pipe pipe
, bool enable
);
785 bool intel_set_pch_fifo_underrun_reporting(struct drm_i915_private
*dev_priv
,
786 enum transcoder pch_transcoder
,
788 void intel_cpu_fifo_underrun_irq_handler(struct drm_i915_private
*dev_priv
,
790 void intel_pch_fifo_underrun_irq_handler(struct drm_i915_private
*dev_priv
,
791 enum transcoder pch_transcoder
);
792 void i9xx_check_fifo_underruns(struct drm_i915_private
*dev_priv
);
795 void gen5_enable_gt_irq(struct drm_i915_private
*dev_priv
, uint32_t mask
);
796 void gen5_disable_gt_irq(struct drm_i915_private
*dev_priv
, uint32_t mask
);
797 void gen6_enable_pm_irq(struct drm_i915_private
*dev_priv
, uint32_t mask
);
798 void gen6_disable_pm_irq(struct drm_i915_private
*dev_priv
, uint32_t mask
);
799 void gen6_reset_rps_interrupts(struct drm_device
*dev
);
800 void gen6_enable_rps_interrupts(struct drm_device
*dev
);
801 void gen6_disable_rps_interrupts(struct drm_device
*dev
);
802 u32
gen6_sanitize_rps_pm_mask(struct drm_i915_private
*dev_priv
, u32 mask
);
803 void intel_runtime_pm_disable_interrupts(struct drm_i915_private
*dev_priv
);
804 void intel_runtime_pm_enable_interrupts(struct drm_i915_private
*dev_priv
);
805 static inline bool intel_irqs_enabled(struct drm_i915_private
*dev_priv
)
808 * We only use drm_irq_uninstall() at unload and VT switch, so
809 * this is the only thing we need to check.
811 return dev_priv
->pm
.irqs_enabled
;
814 int intel_get_crtc_scanline(struct intel_crtc
*crtc
);
815 void gen8_irq_power_well_post_enable(struct drm_i915_private
*dev_priv
);
818 void intel_crt_init(struct drm_device
*dev
);
822 void intel_prepare_ddi(struct drm_device
*dev
);
823 void hsw_fdi_link_train(struct drm_crtc
*crtc
);
824 void intel_ddi_init(struct drm_device
*dev
, enum port port
);
825 enum port
intel_ddi_get_encoder_port(struct intel_encoder
*intel_encoder
);
826 bool intel_ddi_get_hw_state(struct intel_encoder
*encoder
, enum pipe
*pipe
);
827 int intel_ddi_get_cdclk_freq(struct drm_i915_private
*dev_priv
);
828 void intel_ddi_pll_init(struct drm_device
*dev
);
829 void intel_ddi_enable_transcoder_func(struct drm_crtc
*crtc
);
830 void intel_ddi_disable_transcoder_func(struct drm_i915_private
*dev_priv
,
831 enum transcoder cpu_transcoder
);
832 void intel_ddi_enable_pipe_clock(struct intel_crtc
*intel_crtc
);
833 void intel_ddi_disable_pipe_clock(struct intel_crtc
*intel_crtc
);
834 bool intel_ddi_pll_select(struct intel_crtc
*crtc
,
835 struct intel_crtc_state
*crtc_state
);
836 void intel_ddi_set_pipe_settings(struct drm_crtc
*crtc
);
837 void intel_ddi_prepare_link_retrain(struct drm_encoder
*encoder
);
838 bool intel_ddi_connector_get_hw_state(struct intel_connector
*intel_connector
);
839 void intel_ddi_fdi_disable(struct drm_crtc
*crtc
);
840 void intel_ddi_get_config(struct intel_encoder
*encoder
,
841 struct intel_crtc_state
*pipe_config
);
843 void intel_ddi_init_dp_buf_reg(struct intel_encoder
*encoder
);
844 void intel_ddi_clock_get(struct intel_encoder
*encoder
,
845 struct intel_crtc_state
*pipe_config
);
846 void intel_ddi_set_vc_payload_alloc(struct drm_crtc
*crtc
, bool state
);
848 /* intel_frontbuffer.c */
849 void intel_fb_obj_invalidate(struct drm_i915_gem_object
*obj
,
850 struct intel_engine_cs
*ring
);
851 void intel_frontbuffer_flip_prepare(struct drm_device
*dev
,
852 unsigned frontbuffer_bits
);
853 void intel_frontbuffer_flip_complete(struct drm_device
*dev
,
854 unsigned frontbuffer_bits
);
855 void intel_frontbuffer_flush(struct drm_device
*dev
,
856 unsigned frontbuffer_bits
);
858 * intel_frontbuffer_flip - synchronous frontbuffer flip
860 * @frontbuffer_bits: frontbuffer plane tracking bits
862 * This function gets called after scheduling a flip on @obj. This is for
863 * synchronous plane updates which will happen on the next vblank and which will
864 * not get delayed by pending gpu rendering.
866 * Can be called without any locks held.
869 void intel_frontbuffer_flip(struct drm_device
*dev
,
870 unsigned frontbuffer_bits
)
872 intel_frontbuffer_flush(dev
, frontbuffer_bits
);
875 void intel_fb_obj_flush(struct drm_i915_gem_object
*obj
, bool retire
);
879 void intel_init_audio(struct drm_device
*dev
);
880 void intel_audio_codec_enable(struct intel_encoder
*encoder
);
881 void intel_audio_codec_disable(struct intel_encoder
*encoder
);
882 void i915_audio_component_init(struct drm_i915_private
*dev_priv
);
883 void i915_audio_component_cleanup(struct drm_i915_private
*dev_priv
);
885 /* intel_display.c */
886 bool intel_has_pending_fb_unpin(struct drm_device
*dev
);
887 int intel_pch_rawclk(struct drm_device
*dev
);
888 void intel_mark_busy(struct drm_device
*dev
);
889 void intel_mark_idle(struct drm_device
*dev
);
890 void intel_crtc_restore_mode(struct drm_crtc
*crtc
);
891 void intel_crtc_control(struct drm_crtc
*crtc
, bool enable
);
892 void intel_crtc_update_dpms(struct drm_crtc
*crtc
);
893 void intel_encoder_destroy(struct drm_encoder
*encoder
);
894 void intel_connector_dpms(struct drm_connector
*, int mode
);
895 bool intel_connector_get_hw_state(struct intel_connector
*connector
);
896 void intel_modeset_check_state(struct drm_device
*dev
);
897 bool ibx_digital_port_connected(struct drm_i915_private
*dev_priv
,
898 struct intel_digital_port
*port
);
899 void intel_connector_attach_encoder(struct intel_connector
*connector
,
900 struct intel_encoder
*encoder
);
901 struct drm_encoder
*intel_best_encoder(struct drm_connector
*connector
);
902 struct drm_display_mode
*intel_crtc_mode_get(struct drm_device
*dev
,
903 struct drm_crtc
*crtc
);
904 enum pipe
intel_get_pipe_from_connector(struct intel_connector
*connector
);
905 int intel_get_pipe_from_crtc_id(struct drm_device
*dev
, void *data
,
906 struct drm_file
*file_priv
);
907 enum transcoder
intel_pipe_to_cpu_transcoder(struct drm_i915_private
*dev_priv
,
909 bool intel_pipe_has_type(struct intel_crtc
*crtc
, enum intel_output_type type
);
911 intel_wait_for_vblank(struct drm_device
*dev
, int pipe
)
913 drm_wait_one_vblank(dev
, pipe
);
915 int ironlake_get_lanes_required(int target_clock
, int link_bw
, int bpp
);
916 void vlv_wait_port_ready(struct drm_i915_private
*dev_priv
,
917 struct intel_digital_port
*dport
);
918 bool intel_get_load_detect_pipe(struct drm_connector
*connector
,
919 struct drm_display_mode
*mode
,
920 struct intel_load_detect_pipe
*old
,
921 struct drm_modeset_acquire_ctx
*ctx
);
922 void intel_release_load_detect_pipe(struct drm_connector
*connector
,
923 struct intel_load_detect_pipe
*old
);
924 int intel_pin_and_fence_fb_obj(struct drm_plane
*plane
,
925 struct drm_framebuffer
*fb
,
926 struct intel_engine_cs
*pipelined
);
927 void intel_unpin_fb_obj(struct drm_i915_gem_object
*obj
);
928 struct drm_framebuffer
*
929 __intel_framebuffer_create(struct drm_device
*dev
,
930 struct drm_mode_fb_cmd2
*mode_cmd
,
931 struct drm_i915_gem_object
*obj
);
932 void intel_prepare_page_flip(struct drm_device
*dev
, int plane
);
933 void intel_finish_page_flip(struct drm_device
*dev
, int pipe
);
934 void intel_finish_page_flip_plane(struct drm_device
*dev
, int plane
);
935 void intel_check_page_flip(struct drm_device
*dev
, int pipe
);
936 int intel_prepare_plane_fb(struct drm_plane
*plane
,
937 struct drm_framebuffer
*fb
);
938 void intel_cleanup_plane_fb(struct drm_plane
*plane
,
939 struct drm_framebuffer
*fb
);
941 /* shared dpll functions */
942 struct intel_shared_dpll
*intel_crtc_to_shared_dpll(struct intel_crtc
*crtc
);
943 void assert_shared_dpll(struct drm_i915_private
*dev_priv
,
944 struct intel_shared_dpll
*pll
,
946 #define assert_shared_dpll_enabled(d, p) assert_shared_dpll(d, p, true)
947 #define assert_shared_dpll_disabled(d, p) assert_shared_dpll(d, p, false)
948 struct intel_shared_dpll
*intel_get_shared_dpll(struct intel_crtc
*crtc
,
949 struct intel_crtc_state
*state
);
950 void intel_put_shared_dpll(struct intel_crtc
*crtc
);
952 void vlv_force_pll_on(struct drm_device
*dev
, enum pipe pipe
,
953 const struct dpll
*dpll
);
954 void vlv_force_pll_off(struct drm_device
*dev
, enum pipe pipe
);
956 /* modesetting asserts */
957 void assert_panel_unlocked(struct drm_i915_private
*dev_priv
,
959 void assert_pll(struct drm_i915_private
*dev_priv
,
960 enum pipe pipe
, bool state
);
961 #define assert_pll_enabled(d, p) assert_pll(d, p, true)
962 #define assert_pll_disabled(d, p) assert_pll(d, p, false)
963 void assert_fdi_rx_pll(struct drm_i915_private
*dev_priv
,
964 enum pipe pipe
, bool state
);
965 #define assert_fdi_rx_pll_enabled(d, p) assert_fdi_rx_pll(d, p, true)
966 #define assert_fdi_rx_pll_disabled(d, p) assert_fdi_rx_pll(d, p, false)
967 void assert_pipe(struct drm_i915_private
*dev_priv
, enum pipe pipe
, bool state
);
968 #define assert_pipe_enabled(d, p) assert_pipe(d, p, true)
969 #define assert_pipe_disabled(d, p) assert_pipe(d, p, false)
970 unsigned long intel_gen4_compute_page_offset(int *x
, int *y
,
971 unsigned int tiling_mode
,
974 void intel_prepare_reset(struct drm_device
*dev
);
975 void intel_finish_reset(struct drm_device
*dev
);
976 void hsw_enable_pc8(struct drm_i915_private
*dev_priv
);
977 void hsw_disable_pc8(struct drm_i915_private
*dev_priv
);
978 void intel_dp_get_m_n(struct intel_crtc
*crtc
,
979 struct intel_crtc_state
*pipe_config
);
980 void intel_dp_set_m_n(struct intel_crtc
*crtc
);
981 int intel_dotclock_calculate(int link_freq
, const struct intel_link_m_n
*m_n
);
983 ironlake_check_encoder_dotclock(const struct intel_crtc_state
*pipe_config
,
985 bool intel_crtc_active(struct drm_crtc
*crtc
);
986 void hsw_enable_ips(struct intel_crtc
*crtc
);
987 void hsw_disable_ips(struct intel_crtc
*crtc
);
988 enum intel_display_power_domain
989 intel_display_port_power_domain(struct intel_encoder
*intel_encoder
);
990 void intel_mode_from_pipe_config(struct drm_display_mode
*mode
,
991 struct intel_crtc_state
*pipe_config
);
992 int intel_format_to_fourcc(int format
);
993 void intel_crtc_wait_for_pending_flips(struct drm_crtc
*crtc
);
994 void intel_modeset_preclose(struct drm_device
*dev
, struct drm_file
*file
);
997 void intel_dp_init(struct drm_device
*dev
, int output_reg
, enum port port
);
998 bool intel_dp_init_connector(struct intel_digital_port
*intel_dig_port
,
999 struct intel_connector
*intel_connector
);
1000 void intel_dp_start_link_train(struct intel_dp
*intel_dp
);
1001 void intel_dp_complete_link_train(struct intel_dp
*intel_dp
);
1002 void intel_dp_stop_link_train(struct intel_dp
*intel_dp
);
1003 void intel_dp_sink_dpms(struct intel_dp
*intel_dp
, int mode
);
1004 void intel_dp_encoder_destroy(struct drm_encoder
*encoder
);
1005 void intel_dp_check_link_status(struct intel_dp
*intel_dp
);
1006 int intel_dp_sink_crc(struct intel_dp
*intel_dp
, u8
*crc
);
1007 bool intel_dp_compute_config(struct intel_encoder
*encoder
,
1008 struct intel_crtc_state
*pipe_config
);
1009 bool intel_dp_is_edp(struct drm_device
*dev
, enum port port
);
1010 bool intel_dp_hpd_pulse(struct intel_digital_port
*intel_dig_port
,
1012 void intel_edp_backlight_on(struct intel_dp
*intel_dp
);
1013 void intel_edp_backlight_off(struct intel_dp
*intel_dp
);
1014 void intel_edp_panel_vdd_on(struct intel_dp
*intel_dp
);
1015 void intel_edp_panel_on(struct intel_dp
*intel_dp
);
1016 void intel_edp_panel_off(struct intel_dp
*intel_dp
);
1017 void intel_dp_add_properties(struct intel_dp
*intel_dp
, struct drm_connector
*connector
);
1018 void intel_dp_mst_suspend(struct drm_device
*dev
);
1019 void intel_dp_mst_resume(struct drm_device
*dev
);
1020 int intel_dp_max_link_bw(struct intel_dp
*intel_dp
);
1021 void intel_dp_hot_plug(struct intel_encoder
*intel_encoder
);
1022 void vlv_power_sequencer_reset(struct drm_i915_private
*dev_priv
);
1023 uint32_t intel_dp_pack_aux(const uint8_t *src
, int src_bytes
);
1024 void intel_dp_unpack_aux(uint32_t src
, uint8_t *dst
, int dst_bytes
);
1025 int intel_update_plane(struct drm_plane
*plane
, struct drm_crtc
*crtc
,
1026 struct drm_framebuffer
*fb
, int crtc_x
, int crtc_y
,
1027 unsigned int crtc_w
, unsigned int crtc_h
,
1028 uint32_t src_x
, uint32_t src_y
,
1029 uint32_t src_w
, uint32_t src_h
);
1030 int intel_disable_plane(struct drm_plane
*plane
);
1031 void intel_plane_destroy(struct drm_plane
*plane
);
1033 /* intel_dp_mst.c */
1034 int intel_dp_mst_encoder_init(struct intel_digital_port
*intel_dig_port
, int conn_id
);
1035 void intel_dp_mst_encoder_cleanup(struct intel_digital_port
*intel_dig_port
);
1037 void intel_dsi_init(struct drm_device
*dev
);
1041 void intel_dvo_init(struct drm_device
*dev
);
1044 /* legacy fbdev emulation in intel_fbdev.c */
1045 #ifdef CONFIG_DRM_I915_FBDEV
1046 extern int intel_fbdev_init(struct drm_device
*dev
);
1047 extern void intel_fbdev_initial_config(void *data
, async_cookie_t cookie
);
1048 extern void intel_fbdev_fini(struct drm_device
*dev
);
1049 extern void intel_fbdev_set_suspend(struct drm_device
*dev
, int state
, bool synchronous
);
1050 extern void intel_fbdev_output_poll_changed(struct drm_device
*dev
);
1051 extern void intel_fbdev_restore_mode(struct drm_device
*dev
);
1053 static inline int intel_fbdev_init(struct drm_device
*dev
)
1058 static inline void intel_fbdev_initial_config(void *data
, async_cookie_t cookie
)
1062 static inline void intel_fbdev_fini(struct drm_device
*dev
)
1066 static inline void intel_fbdev_set_suspend(struct drm_device
*dev
, int state
, bool synchronous
)
1070 static inline void intel_fbdev_restore_mode(struct drm_device
*dev
)
1076 bool intel_fbc_enabled(struct drm_device
*dev
);
1077 void intel_fbc_update(struct drm_device
*dev
);
1078 void intel_fbc_init(struct drm_i915_private
*dev_priv
);
1079 void intel_fbc_disable(struct drm_device
*dev
);
1080 void bdw_fbc_sw_flush(struct drm_device
*dev
, u32 value
);
1083 void intel_hdmi_init(struct drm_device
*dev
, int hdmi_reg
, enum port port
);
1084 void intel_hdmi_init_connector(struct intel_digital_port
*intel_dig_port
,
1085 struct intel_connector
*intel_connector
);
1086 struct intel_hdmi
*enc_to_intel_hdmi(struct drm_encoder
*encoder
);
1087 bool intel_hdmi_compute_config(struct intel_encoder
*encoder
,
1088 struct intel_crtc_state
*pipe_config
);
1092 void intel_lvds_init(struct drm_device
*dev
);
1093 bool intel_is_dual_link_lvds(struct drm_device
*dev
);
1097 int intel_connector_update_modes(struct drm_connector
*connector
,
1099 int intel_ddc_get_modes(struct drm_connector
*c
, struct i2c_adapter
*adapter
);
1100 void intel_attach_force_audio_property(struct drm_connector
*connector
);
1101 void intel_attach_broadcast_rgb_property(struct drm_connector
*connector
);
1104 /* intel_overlay.c */
1105 void intel_setup_overlay(struct drm_device
*dev
);
1106 void intel_cleanup_overlay(struct drm_device
*dev
);
1107 int intel_overlay_switch_off(struct intel_overlay
*overlay
);
1108 int intel_overlay_put_image(struct drm_device
*dev
, void *data
,
1109 struct drm_file
*file_priv
);
1110 int intel_overlay_attrs(struct drm_device
*dev
, void *data
,
1111 struct drm_file
*file_priv
);
1112 void intel_overlay_reset(struct drm_i915_private
*dev_priv
);
1116 int intel_panel_init(struct intel_panel
*panel
,
1117 struct drm_display_mode
*fixed_mode
,
1118 struct drm_display_mode
*downclock_mode
);
1119 void intel_panel_fini(struct intel_panel
*panel
);
1120 void intel_fixed_panel_mode(const struct drm_display_mode
*fixed_mode
,
1121 struct drm_display_mode
*adjusted_mode
);
1122 void intel_pch_panel_fitting(struct intel_crtc
*crtc
,
1123 struct intel_crtc_state
*pipe_config
,
1125 void intel_gmch_panel_fitting(struct intel_crtc
*crtc
,
1126 struct intel_crtc_state
*pipe_config
,
1128 void intel_panel_set_backlight_acpi(struct intel_connector
*connector
,
1129 u32 level
, u32 max
);
1130 int intel_panel_setup_backlight(struct drm_connector
*connector
, enum pipe pipe
);
1131 void intel_panel_enable_backlight(struct intel_connector
*connector
);
1132 void intel_panel_disable_backlight(struct intel_connector
*connector
);
1133 void intel_panel_destroy_backlight(struct drm_connector
*connector
);
1134 void intel_panel_init_backlight_funcs(struct drm_device
*dev
);
1135 enum drm_connector_status
intel_panel_detect(struct drm_device
*dev
);
1136 extern struct drm_display_mode
*intel_find_panel_downclock(
1137 struct drm_device
*dev
,
1138 struct drm_display_mode
*fixed_mode
,
1139 struct drm_connector
*connector
);
1140 void intel_backlight_register(struct drm_device
*dev
);
1141 void intel_backlight_unregister(struct drm_device
*dev
);
1145 void intel_psr_enable(struct intel_dp
*intel_dp
);
1146 void intel_psr_disable(struct intel_dp
*intel_dp
);
1147 void intel_psr_invalidate(struct drm_device
*dev
,
1148 unsigned frontbuffer_bits
);
1149 void intel_psr_flush(struct drm_device
*dev
,
1150 unsigned frontbuffer_bits
);
1151 void intel_psr_init(struct drm_device
*dev
);
1153 /* intel_runtime_pm.c */
1154 int intel_power_domains_init(struct drm_i915_private
*);
1155 void intel_power_domains_fini(struct drm_i915_private
*);
1156 void intel_power_domains_init_hw(struct drm_i915_private
*dev_priv
);
1157 void intel_runtime_pm_enable(struct drm_i915_private
*dev_priv
);
1159 bool intel_display_power_is_enabled(struct drm_i915_private
*dev_priv
,
1160 enum intel_display_power_domain domain
);
1161 bool __intel_display_power_is_enabled(struct drm_i915_private
*dev_priv
,
1162 enum intel_display_power_domain domain
);
1163 void intel_display_power_get(struct drm_i915_private
*dev_priv
,
1164 enum intel_display_power_domain domain
);
1165 void intel_display_power_put(struct drm_i915_private
*dev_priv
,
1166 enum intel_display_power_domain domain
);
1167 void intel_aux_display_runtime_get(struct drm_i915_private
*dev_priv
);
1168 void intel_aux_display_runtime_put(struct drm_i915_private
*dev_priv
);
1169 void intel_runtime_pm_get(struct drm_i915_private
*dev_priv
);
1170 void intel_runtime_pm_get_noresume(struct drm_i915_private
*dev_priv
);
1171 void intel_runtime_pm_put(struct drm_i915_private
*dev_priv
);
1173 void intel_display_set_init_power(struct drm_i915_private
*dev
, bool enable
);
1176 void intel_init_clock_gating(struct drm_device
*dev
);
1177 void intel_suspend_hw(struct drm_device
*dev
);
1178 int ilk_wm_max_level(const struct drm_device
*dev
);
1179 void intel_update_watermarks(struct drm_crtc
*crtc
);
1180 void intel_update_sprite_watermarks(struct drm_plane
*plane
,
1181 struct drm_crtc
*crtc
,
1182 uint32_t sprite_width
,
1183 uint32_t sprite_height
,
1185 bool enabled
, bool scaled
);
1186 void intel_init_pm(struct drm_device
*dev
);
1187 void intel_pm_setup(struct drm_device
*dev
);
1188 void intel_gpu_ips_init(struct drm_i915_private
*dev_priv
);
1189 void intel_gpu_ips_teardown(void);
1190 void intel_init_gt_powersave(struct drm_device
*dev
);
1191 void intel_cleanup_gt_powersave(struct drm_device
*dev
);
1192 void intel_enable_gt_powersave(struct drm_device
*dev
);
1193 void intel_disable_gt_powersave(struct drm_device
*dev
);
1194 void intel_suspend_gt_powersave(struct drm_device
*dev
);
1195 void intel_reset_gt_powersave(struct drm_device
*dev
);
1196 void ironlake_teardown_rc6(struct drm_device
*dev
);
1197 void gen6_update_ring_freq(struct drm_device
*dev
);
1198 void gen6_rps_idle(struct drm_i915_private
*dev_priv
);
1199 void gen6_rps_boost(struct drm_i915_private
*dev_priv
);
1200 void ilk_wm_get_hw_state(struct drm_device
*dev
);
1201 void skl_wm_get_hw_state(struct drm_device
*dev
);
1202 void skl_ddb_get_hw_state(struct drm_i915_private
*dev_priv
,
1203 struct skl_ddb_allocation
*ddb
/* out */);
1207 bool intel_sdvo_init(struct drm_device
*dev
, uint32_t sdvo_reg
, bool is_sdvob
);
1210 /* intel_sprite.c */
1211 int intel_plane_init(struct drm_device
*dev
, enum pipe pipe
, int plane
);
1212 void intel_flush_primary_plane(struct drm_i915_private
*dev_priv
,
1214 int intel_plane_set_property(struct drm_plane
*plane
,
1215 struct drm_property
*prop
,
1217 int intel_plane_restore(struct drm_plane
*plane
);
1218 int intel_sprite_set_colorkey(struct drm_device
*dev
, void *data
,
1219 struct drm_file
*file_priv
);
1220 int intel_sprite_get_colorkey(struct drm_device
*dev
, void *data
,
1221 struct drm_file
*file_priv
);
1222 bool intel_pipe_update_start(struct intel_crtc
*crtc
,
1223 uint32_t *start_vbl_count
);
1224 void intel_pipe_update_end(struct intel_crtc
*crtc
, u32 start_vbl_count
);
1225 void intel_post_enable_primary(struct drm_crtc
*crtc
);
1226 void intel_pre_disable_primary(struct drm_crtc
*crtc
);
1229 void intel_tv_init(struct drm_device
*dev
);
1231 /* intel_atomic.c */
1232 struct drm_plane_state
*intel_plane_duplicate_state(struct drm_plane
*plane
);
1233 void intel_plane_destroy_state(struct drm_plane
*plane
,
1234 struct drm_plane_state
*state
);
1235 extern const struct drm_plane_helper_funcs intel_plane_helper_funcs
;
1237 #endif /* __INTEL_DRV_H__ */