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 */
80 #define INTELFB_CONN_LIMIT 4
82 #define INTEL_I2C_BUS_DVO 1
83 #define INTEL_I2C_BUS_SDVO 2
85 /* these are outputs from the chip - integrated only
86 external chips are via DVO or SDVO output */
87 #define INTEL_OUTPUT_UNUSED 0
88 #define INTEL_OUTPUT_ANALOG 1
89 #define INTEL_OUTPUT_DVO 2
90 #define INTEL_OUTPUT_SDVO 3
91 #define INTEL_OUTPUT_LVDS 4
92 #define INTEL_OUTPUT_TVOUT 5
93 #define INTEL_OUTPUT_HDMI 6
94 #define INTEL_OUTPUT_DISPLAYPORT 7
95 #define INTEL_OUTPUT_EDP 8
96 #define INTEL_OUTPUT_UNKNOWN 9
98 #define INTEL_DVO_CHIP_NONE 0
99 #define INTEL_DVO_CHIP_LVDS 1
100 #define INTEL_DVO_CHIP_TMDS 2
101 #define INTEL_DVO_CHIP_TVOUT 4
103 struct intel_framebuffer
{
104 struct drm_framebuffer base
;
105 struct drm_i915_gem_object
*obj
;
109 struct drm_fb_helper helper
;
110 struct intel_framebuffer ifb
;
111 struct list_head fbdev_list
;
112 struct drm_display_mode
*our_mode
;
115 struct intel_encoder
{
116 struct drm_encoder base
;
118 * The new crtc this encoder will be driven from. Only differs from
119 * base->crtc while a modeset is in progress.
121 struct intel_crtc
*new_crtc
;
125 * Intel hw has only one MUX where encoders could be clone, hence a
126 * simple flag is enough to compute the possible_clones mask.
129 bool connectors_active
;
130 void (*hot_plug
)(struct intel_encoder
*);
131 bool (*compute_config
)(struct intel_encoder
*,
132 struct intel_crtc_config
*);
133 void (*pre_pll_enable
)(struct intel_encoder
*);
134 void (*pre_enable
)(struct intel_encoder
*);
135 void (*enable
)(struct intel_encoder
*);
136 void (*mode_set
)(struct intel_encoder
*intel_encoder
);
137 void (*disable
)(struct intel_encoder
*);
138 void (*post_disable
)(struct intel_encoder
*);
139 /* Read out the current hw state of this connector, returning true if
140 * the encoder is active. If the encoder is enabled it also set the pipe
141 * it is connected to in the pipe parameter. */
142 bool (*get_hw_state
)(struct intel_encoder
*, enum pipe
*pipe
);
143 /* Reconstructs the equivalent mode flags for the current hardware
144 * state. This must be called _after_ display->get_pipe_config has
145 * pre-filled the pipe config. Note that intel_encoder->base.crtc must
146 * be set correctly before calling this function. */
147 void (*get_config
)(struct intel_encoder
*,
148 struct intel_crtc_config
*pipe_config
);
150 enum hpd_pin hpd_pin
;
154 struct drm_display_mode
*fixed_mode
;
158 struct intel_connector
{
159 struct drm_connector base
;
161 * The fixed encoder this connector is connected to.
163 struct intel_encoder
*encoder
;
166 * The new encoder this connector will be driven. Only differs from
167 * encoder while a modeset is in progress.
169 struct intel_encoder
*new_encoder
;
171 /* Reads out the current hw, returning true if the connector is enabled
172 * and active (i.e. dpms ON state). */
173 bool (*get_hw_state
)(struct intel_connector
*);
175 /* Panel info for eDP and LVDS */
176 struct intel_panel panel
;
178 /* Cached EDID for eDP and LVDS. May hold ERR_PTR for invalid EDID. */
181 /* since POLL and HPD connectors may use the same HPD line keep the native
182 state of connector->polled in case hotplug storm detection changes it */
186 typedef struct dpll
{
198 struct intel_crtc_config
{
200 * quirks - bitfield with hw state readout quirks
202 * For various reasons the hw state readout code might not be able to
203 * completely faithfully read out the current state. These cases are
204 * tracked with quirk flags so that fastboot and state checker can act
207 #define PIPE_CONFIG_QUIRK_MODE_SYNC_FLAGS (1<<0) /* unreliable sync mode.flags */
208 unsigned long quirks
;
210 struct drm_display_mode requested_mode
;
211 struct drm_display_mode adjusted_mode
;
212 /* Whether to set up the PCH/FDI. Note that we never allow sharing
213 * between pch encoders and cpu encoders. */
214 bool has_pch_encoder
;
216 /* CPU Transcoder for the pipe. Currently this can only differ from the
217 * pipe on Haswell (where we have a special eDP transcoder). */
218 enum transcoder cpu_transcoder
;
221 * Use reduced/limited/broadcast rbg range, compressing from the full
222 * range fed into the crtcs.
224 bool limited_color_range
;
226 /* DP has a bunch of special case unfortunately, so mark the pipe
231 * Enable dithering, used when the selected pipe bpp doesn't match the
236 /* Controls for the clock computation, to override various stages. */
239 /* SDVO TV has a bunch of special case. To make multifunction encoders
240 * work correctly, we need to track this at runtime.*/
244 * crtc bandwidth limit, don't increase pipe bpp or clock if not really
245 * required. This is set in the 2nd loop of calling encoder's
246 * ->compute_config if the first pick doesn't work out.
250 /* Settings for the intel dpll used on pretty much everything but
254 /* Selected dpll when shared or DPLL_ID_PRIVATE. */
255 enum intel_dpll_id shared_dpll
;
257 /* Actual register state of the dpll, for shared dpll cross-checking. */
258 struct intel_dpll_hw_state dpll_hw_state
;
261 struct intel_link_m_n dp_m_n
;
264 * Frequence the dpll for the port should run at. Differs from the
265 * adjusted dotclock e.g. for DP or 12bpc hdmi mode.
269 /* Used by SDVO (and if we ever fix it, HDMI). */
270 unsigned pixel_multiplier
;
272 /* Panel fitter controls for gen2-gen4 + VLV */
276 u32 lvds_border_bits
;
279 /* Panel fitter placement and size for Ironlake+ */
285 /* FDI configuration, only valid if has_pch_encoder is set. */
287 struct intel_link_m_n fdi_m_n
;
293 struct drm_crtc base
;
296 u8 lut_r
[256], lut_g
[256], lut_b
[256];
298 * Whether the crtc and the connected output pipeline is active. Implies
299 * that crtc->enabled is set, i.e. the current mode configuration has
300 * some outputs connected to this crtc.
304 bool primary_disabled
; /* is the crtc obscured by a plane? */
306 struct intel_overlay
*overlay
;
307 struct intel_unpin_work
*unpin_work
;
309 atomic_t unpin_work_count
;
311 /* Display surface base address adjustement for pageflips. Note that on
312 * gen4+ this only adjusts up to a tile, offsets within a tile are
313 * handled in the hw itself (with the TILEOFF register). */
314 unsigned long dspaddr_offset
;
316 struct drm_i915_gem_object
*cursor_bo
;
317 uint32_t cursor_addr
;
318 int16_t cursor_x
, cursor_y
;
319 int16_t cursor_width
, cursor_height
;
322 struct intel_crtc_config config
;
324 uint32_t ddi_pll_sel
;
326 /* reset counter value when the last flip was submitted */
327 unsigned int reset_counter
;
329 /* Access to these should be protected by dev_priv->irq_lock. */
330 bool cpu_fifo_underrun_disabled
;
331 bool pch_fifo_underrun_disabled
;
334 struct intel_plane_wm_parameters
{
335 uint32_t horiz_pixels
;
336 uint8_t bytes_per_pixel
;
342 struct drm_plane base
;
345 struct drm_i915_gem_object
*obj
;
348 u32 lut_r
[1024], lut_g
[1024], lut_b
[1024];
350 unsigned int crtc_w
, crtc_h
;
351 uint32_t src_x
, src_y
;
352 uint32_t src_w
, src_h
;
354 /* Since we need to change the watermarks before/after
355 * enabling/disabling the planes, we need to store the parameters here
356 * as the other pieces of the struct may not reflect the values we want
357 * for the watermark calculations. Currently only Haswell uses this.
359 struct intel_plane_wm_parameters wm
;
361 void (*update_plane
)(struct drm_plane
*plane
,
362 struct drm_crtc
*crtc
,
363 struct drm_framebuffer
*fb
,
364 struct drm_i915_gem_object
*obj
,
365 int crtc_x
, int crtc_y
,
366 unsigned int crtc_w
, unsigned int crtc_h
,
367 uint32_t x
, uint32_t y
,
368 uint32_t src_w
, uint32_t src_h
);
369 void (*disable_plane
)(struct drm_plane
*plane
,
370 struct drm_crtc
*crtc
);
371 int (*update_colorkey
)(struct drm_plane
*plane
,
372 struct drm_intel_sprite_colorkey
*key
);
373 void (*get_colorkey
)(struct drm_plane
*plane
,
374 struct drm_intel_sprite_colorkey
*key
);
377 struct intel_watermark_params
{
378 unsigned long fifo_size
;
379 unsigned long max_wm
;
380 unsigned long default_wm
;
381 unsigned long guard_size
;
382 unsigned long cacheline_size
;
385 struct cxsr_latency
{
388 unsigned long fsb_freq
;
389 unsigned long mem_freq
;
390 unsigned long display_sr
;
391 unsigned long display_hpll_disable
;
392 unsigned long cursor_sr
;
393 unsigned long cursor_hpll_disable
;
396 #define to_intel_crtc(x) container_of(x, struct intel_crtc, base)
397 #define to_intel_connector(x) container_of(x, struct intel_connector, base)
398 #define to_intel_encoder(x) container_of(x, struct intel_encoder, base)
399 #define to_intel_framebuffer(x) container_of(x, struct intel_framebuffer, base)
400 #define to_intel_plane(x) container_of(x, struct intel_plane, base)
405 uint32_t color_range
;
406 bool color_range_auto
;
409 enum hdmi_force_audio force_audio
;
410 bool rgb_quant_range_selectable
;
411 void (*write_infoframe
)(struct drm_encoder
*encoder
,
412 enum hdmi_infoframe_type type
,
413 const uint8_t *frame
, ssize_t len
);
414 void (*set_infoframes
)(struct drm_encoder
*encoder
,
415 struct drm_display_mode
*adjusted_mode
);
418 #define DP_MAX_DOWNSTREAM_PORTS 0x10
419 #define DP_LINK_CONFIGURATION_SIZE 9
423 uint32_t aux_ch_ctl_reg
;
425 uint8_t link_configuration
[DP_LINK_CONFIGURATION_SIZE
];
427 enum hdmi_force_audio force_audio
;
428 uint32_t color_range
;
429 bool color_range_auto
;
432 uint8_t dpcd
[DP_RECEIVER_CAP_SIZE
];
433 uint8_t psr_dpcd
[EDP_PSR_RECEIVER_CAP_SIZE
];
434 uint8_t downstream_ports
[DP_MAX_DOWNSTREAM_PORTS
];
435 struct i2c_adapter adapter
;
436 struct i2c_algo_dp_aux_data algo
;
437 uint8_t train_set
[4];
438 int panel_power_up_delay
;
439 int panel_power_down_delay
;
440 int panel_power_cycle_delay
;
441 int backlight_on_delay
;
442 int backlight_off_delay
;
443 struct delayed_work panel_vdd_work
;
446 struct intel_connector
*attached_connector
;
449 struct intel_digital_port
{
450 struct intel_encoder base
;
454 struct intel_hdmi hdmi
;
458 vlv_dport_to_channel(struct intel_digital_port
*dport
)
460 switch (dport
->port
) {
470 static inline struct drm_crtc
*
471 intel_get_crtc_for_pipe(struct drm_device
*dev
, int pipe
)
473 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
474 return dev_priv
->pipe_to_crtc_mapping
[pipe
];
477 static inline struct drm_crtc
*
478 intel_get_crtc_for_plane(struct drm_device
*dev
, int plane
)
480 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
481 return dev_priv
->plane_to_crtc_mapping
[plane
];
484 struct intel_unpin_work
{
485 struct work_struct work
;
486 struct drm_crtc
*crtc
;
487 struct drm_i915_gem_object
*old_fb_obj
;
488 struct drm_i915_gem_object
*pending_flip_obj
;
489 struct drm_pending_vblank_event
*event
;
491 #define INTEL_FLIP_INACTIVE 0
492 #define INTEL_FLIP_PENDING 1
493 #define INTEL_FLIP_COMPLETE 2
494 bool enable_stall_check
;
497 int intel_pch_rawclk(struct drm_device
*dev
);
499 int intel_connector_update_modes(struct drm_connector
*connector
,
501 int intel_ddc_get_modes(struct drm_connector
*c
, struct i2c_adapter
*adapter
);
503 extern void intel_attach_force_audio_property(struct drm_connector
*connector
);
504 extern void intel_attach_broadcast_rgb_property(struct drm_connector
*connector
);
506 extern bool intel_pipe_has_type(struct drm_crtc
*crtc
, int type
);
507 extern void intel_crt_init(struct drm_device
*dev
);
508 extern void intel_hdmi_init(struct drm_device
*dev
,
509 int hdmi_reg
, enum port port
);
510 extern void intel_hdmi_init_connector(struct intel_digital_port
*intel_dig_port
,
511 struct intel_connector
*intel_connector
);
512 extern struct intel_hdmi
*enc_to_intel_hdmi(struct drm_encoder
*encoder
);
513 extern bool intel_hdmi_compute_config(struct intel_encoder
*encoder
,
514 struct intel_crtc_config
*pipe_config
);
515 extern bool intel_sdvo_init(struct drm_device
*dev
, uint32_t sdvo_reg
,
517 extern void intel_dvo_init(struct drm_device
*dev
);
518 extern void intel_tv_init(struct drm_device
*dev
);
519 extern void intel_mark_busy(struct drm_device
*dev
);
520 extern void intel_mark_fb_busy(struct drm_i915_gem_object
*obj
,
521 struct intel_ring_buffer
*ring
);
522 extern void intel_mark_idle(struct drm_device
*dev
);
523 extern void intel_lvds_init(struct drm_device
*dev
);
524 extern bool intel_is_dual_link_lvds(struct drm_device
*dev
);
525 extern void intel_dp_init(struct drm_device
*dev
, int output_reg
,
527 extern bool intel_dp_init_connector(struct intel_digital_port
*intel_dig_port
,
528 struct intel_connector
*intel_connector
);
529 extern void intel_dp_init_link_config(struct intel_dp
*intel_dp
);
530 extern void intel_dp_start_link_train(struct intel_dp
*intel_dp
);
531 extern void intel_dp_complete_link_train(struct intel_dp
*intel_dp
);
532 extern void intel_dp_stop_link_train(struct intel_dp
*intel_dp
);
533 extern void intel_dp_sink_dpms(struct intel_dp
*intel_dp
, int mode
);
534 extern void intel_dp_encoder_destroy(struct drm_encoder
*encoder
);
535 extern void intel_dp_check_link_status(struct intel_dp
*intel_dp
);
536 extern bool intel_dp_compute_config(struct intel_encoder
*encoder
,
537 struct intel_crtc_config
*pipe_config
);
538 extern bool intel_dpd_is_edp(struct drm_device
*dev
);
539 extern void ironlake_edp_backlight_on(struct intel_dp
*intel_dp
);
540 extern void ironlake_edp_backlight_off(struct intel_dp
*intel_dp
);
541 extern void ironlake_edp_panel_on(struct intel_dp
*intel_dp
);
542 extern void ironlake_edp_panel_off(struct intel_dp
*intel_dp
);
543 extern void ironlake_edp_panel_vdd_on(struct intel_dp
*intel_dp
);
544 extern void ironlake_edp_panel_vdd_off(struct intel_dp
*intel_dp
, bool sync
);
545 extern int intel_plane_init(struct drm_device
*dev
, enum pipe pipe
, int plane
);
546 extern void intel_flush_display_plane(struct drm_i915_private
*dev_priv
,
550 extern int intel_panel_init(struct intel_panel
*panel
,
551 struct drm_display_mode
*fixed_mode
);
552 extern void intel_panel_fini(struct intel_panel
*panel
);
554 extern void intel_fixed_panel_mode(struct drm_display_mode
*fixed_mode
,
555 struct drm_display_mode
*adjusted_mode
);
556 extern void intel_pch_panel_fitting(struct intel_crtc
*crtc
,
557 struct intel_crtc_config
*pipe_config
,
559 extern void intel_gmch_panel_fitting(struct intel_crtc
*crtc
,
560 struct intel_crtc_config
*pipe_config
,
562 extern void intel_panel_set_backlight(struct drm_device
*dev
,
564 extern int intel_panel_setup_backlight(struct drm_connector
*connector
);
565 extern void intel_panel_enable_backlight(struct drm_device
*dev
,
567 extern void intel_panel_disable_backlight(struct drm_device
*dev
);
568 extern void intel_panel_destroy_backlight(struct drm_device
*dev
);
569 extern enum drm_connector_status
intel_panel_detect(struct drm_device
*dev
);
571 struct intel_set_config
{
572 struct drm_encoder
**save_connector_encoders
;
573 struct drm_crtc
**save_encoder_crtcs
;
579 extern int intel_set_mode(struct drm_crtc
*crtc
, struct drm_display_mode
*mode
,
580 int x
, int y
, struct drm_framebuffer
*old_fb
);
581 extern void intel_crtc_restore_mode(struct drm_crtc
*crtc
);
582 extern void intel_crtc_load_lut(struct drm_crtc
*crtc
);
583 extern void intel_crtc_update_dpms(struct drm_crtc
*crtc
);
584 extern void intel_encoder_destroy(struct drm_encoder
*encoder
);
585 extern void intel_connector_dpms(struct drm_connector
*, int mode
);
586 extern bool intel_connector_get_hw_state(struct intel_connector
*connector
);
587 extern void intel_modeset_check_state(struct drm_device
*dev
);
588 extern void intel_plane_restore(struct drm_plane
*plane
);
589 extern void intel_plane_disable(struct drm_plane
*plane
);
592 static inline struct intel_encoder
*intel_attached_encoder(struct drm_connector
*connector
)
594 return to_intel_connector(connector
)->encoder
;
597 static inline struct intel_digital_port
*
598 enc_to_dig_port(struct drm_encoder
*encoder
)
600 return container_of(encoder
, struct intel_digital_port
, base
.base
);
603 static inline struct intel_dp
*enc_to_intel_dp(struct drm_encoder
*encoder
)
605 return &enc_to_dig_port(encoder
)->dp
;
608 static inline struct intel_digital_port
*
609 dp_to_dig_port(struct intel_dp
*intel_dp
)
611 return container_of(intel_dp
, struct intel_digital_port
, dp
);
614 static inline struct intel_digital_port
*
615 hdmi_to_dig_port(struct intel_hdmi
*intel_hdmi
)
617 return container_of(intel_hdmi
, struct intel_digital_port
, hdmi
);
620 bool ibx_digital_port_connected(struct drm_i915_private
*dev_priv
,
621 struct intel_digital_port
*port
);
623 extern void intel_connector_attach_encoder(struct intel_connector
*connector
,
624 struct intel_encoder
*encoder
);
625 extern struct drm_encoder
*intel_best_encoder(struct drm_connector
*connector
);
627 extern struct drm_display_mode
*intel_crtc_mode_get(struct drm_device
*dev
,
628 struct drm_crtc
*crtc
);
629 int intel_get_pipe_from_crtc_id(struct drm_device
*dev
, void *data
,
630 struct drm_file
*file_priv
);
631 extern enum transcoder
632 intel_pipe_to_cpu_transcoder(struct drm_i915_private
*dev_priv
,
634 extern void intel_wait_for_vblank(struct drm_device
*dev
, int pipe
);
635 extern void intel_wait_for_pipe_off(struct drm_device
*dev
, int pipe
);
636 extern int ironlake_get_lanes_required(int target_clock
, int link_bw
, int bpp
);
637 extern void vlv_wait_port_ready(struct drm_i915_private
*dev_priv
, int port
);
639 struct intel_load_detect_pipe
{
640 struct drm_framebuffer
*release_fb
;
641 bool load_detect_temp
;
644 extern bool intel_get_load_detect_pipe(struct drm_connector
*connector
,
645 struct drm_display_mode
*mode
,
646 struct intel_load_detect_pipe
*old
);
647 extern void intel_release_load_detect_pipe(struct drm_connector
*connector
,
648 struct intel_load_detect_pipe
*old
);
650 extern void intel_crtc_fb_gamma_set(struct drm_crtc
*crtc
, u16 red
, u16 green
,
651 u16 blue
, int regno
);
652 extern void intel_crtc_fb_gamma_get(struct drm_crtc
*crtc
, u16
*red
, u16
*green
,
653 u16
*blue
, int regno
);
655 extern int intel_pin_and_fence_fb_obj(struct drm_device
*dev
,
656 struct drm_i915_gem_object
*obj
,
657 struct intel_ring_buffer
*pipelined
);
658 extern void intel_unpin_fb_obj(struct drm_i915_gem_object
*obj
);
660 extern int intel_framebuffer_init(struct drm_device
*dev
,
661 struct intel_framebuffer
*ifb
,
662 struct drm_mode_fb_cmd2
*mode_cmd
,
663 struct drm_i915_gem_object
*obj
);
664 extern void intel_framebuffer_fini(struct intel_framebuffer
*fb
);
665 extern int intel_fbdev_init(struct drm_device
*dev
);
666 extern void intel_fbdev_initial_config(struct drm_device
*dev
);
667 extern void intel_fbdev_fini(struct drm_device
*dev
);
668 extern void intel_fbdev_set_suspend(struct drm_device
*dev
, int state
);
669 extern void intel_prepare_page_flip(struct drm_device
*dev
, int plane
);
670 extern void intel_finish_page_flip(struct drm_device
*dev
, int pipe
);
671 extern void intel_finish_page_flip_plane(struct drm_device
*dev
, int plane
);
673 extern void intel_setup_overlay(struct drm_device
*dev
);
674 extern void intel_cleanup_overlay(struct drm_device
*dev
);
675 extern int intel_overlay_switch_off(struct intel_overlay
*overlay
);
676 extern int intel_overlay_put_image(struct drm_device
*dev
, void *data
,
677 struct drm_file
*file_priv
);
678 extern int intel_overlay_attrs(struct drm_device
*dev
, void *data
,
679 struct drm_file
*file_priv
);
681 extern void intel_fb_output_poll_changed(struct drm_device
*dev
);
682 extern void intel_fb_restore_mode(struct drm_device
*dev
);
684 struct intel_shared_dpll
*
685 intel_crtc_to_shared_dpll(struct intel_crtc
*crtc
);
687 void assert_shared_dpll(struct drm_i915_private
*dev_priv
,
688 struct intel_shared_dpll
*pll
,
690 #define assert_shared_dpll_enabled(d, p) assert_shared_dpll(d, p, true)
691 #define assert_shared_dpll_disabled(d, p) assert_shared_dpll(d, p, false)
692 void assert_pll(struct drm_i915_private
*dev_priv
,
693 enum pipe pipe
, bool state
);
694 #define assert_pll_enabled(d, p) assert_pll(d, p, true)
695 #define assert_pll_disabled(d, p) assert_pll(d, p, false)
696 void assert_fdi_rx_pll(struct drm_i915_private
*dev_priv
,
697 enum pipe pipe
, bool state
);
698 #define assert_fdi_rx_pll_enabled(d, p) assert_fdi_rx_pll(d, p, true)
699 #define assert_fdi_rx_pll_disabled(d, p) assert_fdi_rx_pll(d, p, false)
700 extern void assert_pipe(struct drm_i915_private
*dev_priv
, enum pipe pipe
,
702 #define assert_pipe_enabled(d, p) assert_pipe(d, p, true)
703 #define assert_pipe_disabled(d, p) assert_pipe(d, p, false)
705 extern void intel_init_clock_gating(struct drm_device
*dev
);
706 extern void intel_suspend_hw(struct drm_device
*dev
);
707 extern void intel_write_eld(struct drm_encoder
*encoder
,
708 struct drm_display_mode
*mode
);
709 extern void intel_prepare_ddi(struct drm_device
*dev
);
710 extern void hsw_fdi_link_train(struct drm_crtc
*crtc
);
711 extern void intel_ddi_init(struct drm_device
*dev
, enum port port
);
713 /* For use by IVB LP watermark workaround in intel_sprite.c */
714 extern void intel_update_watermarks(struct drm_device
*dev
);
715 extern void intel_update_sprite_watermarks(struct drm_plane
*plane
,
716 struct drm_crtc
*crtc
,
717 uint32_t sprite_width
, int pixel_size
,
718 bool enabled
, bool scaled
);
720 extern unsigned long intel_gen4_compute_page_offset(int *x
, int *y
,
721 unsigned int tiling_mode
,
725 extern int intel_sprite_set_colorkey(struct drm_device
*dev
, void *data
,
726 struct drm_file
*file_priv
);
727 extern int intel_sprite_get_colorkey(struct drm_device
*dev
, void *data
,
728 struct drm_file
*file_priv
);
730 /* Power-related functions, located in intel_pm.c */
731 extern void intel_init_pm(struct drm_device
*dev
);
733 extern bool intel_fbc_enabled(struct drm_device
*dev
);
734 extern void intel_update_fbc(struct drm_device
*dev
);
736 extern void intel_gpu_ips_init(struct drm_i915_private
*dev_priv
);
737 extern void intel_gpu_ips_teardown(void);
740 extern int i915_init_power_well(struct drm_device
*dev
);
741 extern void i915_remove_power_well(struct drm_device
*dev
);
743 extern bool intel_display_power_enabled(struct drm_device
*dev
,
744 enum intel_display_power_domain domain
);
745 extern void intel_init_power_well(struct drm_device
*dev
);
746 extern void intel_set_power_well(struct drm_device
*dev
, bool enable
);
747 extern void intel_enable_gt_powersave(struct drm_device
*dev
);
748 extern void intel_disable_gt_powersave(struct drm_device
*dev
);
749 extern void ironlake_teardown_rc6(struct drm_device
*dev
);
751 extern bool intel_ddi_get_hw_state(struct intel_encoder
*encoder
,
753 extern int intel_ddi_get_cdclk_freq(struct drm_i915_private
*dev_priv
);
754 extern void intel_ddi_pll_init(struct drm_device
*dev
);
755 extern void intel_ddi_enable_transcoder_func(struct drm_crtc
*crtc
);
756 extern void intel_ddi_disable_transcoder_func(struct drm_i915_private
*dev_priv
,
757 enum transcoder cpu_transcoder
);
758 extern void intel_ddi_enable_pipe_clock(struct intel_crtc
*intel_crtc
);
759 extern void intel_ddi_disable_pipe_clock(struct intel_crtc
*intel_crtc
);
760 extern void intel_ddi_setup_hw_pll_state(struct drm_device
*dev
);
761 extern bool intel_ddi_pll_mode_set(struct drm_crtc
*crtc
);
762 extern void intel_ddi_put_crtc_pll(struct drm_crtc
*crtc
);
763 extern void intel_ddi_set_pipe_settings(struct drm_crtc
*crtc
);
764 extern void intel_ddi_prepare_link_retrain(struct drm_encoder
*encoder
);
766 intel_ddi_connector_get_hw_state(struct intel_connector
*intel_connector
);
767 extern void intel_ddi_fdi_disable(struct drm_crtc
*crtc
);
769 extern void intel_display_handle_reset(struct drm_device
*dev
);
770 extern bool intel_set_cpu_fifo_underrun_reporting(struct drm_device
*dev
,
773 extern bool intel_set_pch_fifo_underrun_reporting(struct drm_device
*dev
,
774 enum transcoder pch_transcoder
,
777 extern void intel_edp_psr_enable(struct intel_dp
*intel_dp
);
778 extern void intel_edp_psr_disable(struct intel_dp
*intel_dp
);
779 extern void intel_edp_psr_update(struct drm_device
*dev
);
780 extern void hsw_disable_lcpll(struct drm_i915_private
*dev_priv
,
781 bool switch_to_fclk
, bool allow_power_down
);
782 extern void hsw_restore_lcpll(struct drm_i915_private
*dev_priv
);
784 #endif /* __INTEL_DRV_H__ */