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 <drm/i915_drm.h>
31 #include <drm/drm_crtc.h>
32 #include <drm/drm_crtc_helper.h>
33 #include <drm/drm_fb_helper.h>
34 #include <drm/drm_dp_helper.h>
37 * _wait_for - magic (register) wait macro
39 * Does the right thing for modeset paths when run under kdgb or similar atomic
40 * contexts. Note that it's important that we check the condition again after
41 * having timed out, since the timeout could be due to preemption or similar and
42 * we've never had a chance to check the condition before the timeout.
44 #define _wait_for(COND, MS, W) ({ \
45 unsigned long timeout__ = jiffies + msecs_to_jiffies(MS) + 1; \
48 if (time_after(jiffies, timeout__)) { \
53 if (W && drm_can_sleep()) { \
62 #define wait_for(COND, MS) _wait_for(COND, MS, 1)
63 #define wait_for_atomic(COND, MS) _wait_for(COND, MS, 0)
64 #define wait_for_atomic_us(COND, US) _wait_for((COND), \
65 DIV_ROUND_UP((US), 1000), 0)
67 #define KHz(x) (1000*x)
68 #define MHz(x) KHz(1000*x)
71 * Display related stuff
74 /* store information about an Ixxx DVO */
75 /* The i830->i865 use multiple DVOs with multiple i2cs */
76 /* the i915, i945 have a single sDVO i2c bus - which is different */
78 /* maximum connectors per crtcs in the mode set */
79 #define INTELFB_CONN_LIMIT 4
81 #define INTEL_I2C_BUS_DVO 1
82 #define INTEL_I2C_BUS_SDVO 2
84 /* these are outputs from the chip - integrated only
85 external chips are via DVO or SDVO output */
86 #define INTEL_OUTPUT_UNUSED 0
87 #define INTEL_OUTPUT_ANALOG 1
88 #define INTEL_OUTPUT_DVO 2
89 #define INTEL_OUTPUT_SDVO 3
90 #define INTEL_OUTPUT_LVDS 4
91 #define INTEL_OUTPUT_TVOUT 5
92 #define INTEL_OUTPUT_HDMI 6
93 #define INTEL_OUTPUT_DISPLAYPORT 7
94 #define INTEL_OUTPUT_EDP 8
95 #define INTEL_OUTPUT_UNKNOWN 9
97 #define INTEL_DVO_CHIP_NONE 0
98 #define INTEL_DVO_CHIP_LVDS 1
99 #define INTEL_DVO_CHIP_TMDS 2
100 #define INTEL_DVO_CHIP_TVOUT 4
102 struct intel_framebuffer
{
103 struct drm_framebuffer base
;
104 struct drm_i915_gem_object
*obj
;
108 struct drm_fb_helper helper
;
109 struct intel_framebuffer ifb
;
110 struct list_head fbdev_list
;
111 struct drm_display_mode
*our_mode
;
114 struct intel_encoder
{
115 struct drm_encoder base
;
117 * The new crtc this encoder will be driven from. Only differs from
118 * base->crtc while a modeset is in progress.
120 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
);
144 enum hpd_pin hpd_pin
;
148 struct drm_display_mode
*fixed_mode
;
152 struct intel_connector
{
153 struct drm_connector base
;
155 * The fixed encoder this connector is connected to.
157 struct intel_encoder
*encoder
;
160 * The new encoder this connector will be driven. Only differs from
161 * encoder while a modeset is in progress.
163 struct intel_encoder
*new_encoder
;
165 /* Reads out the current hw, returning true if the connector is enabled
166 * and active (i.e. dpms ON state). */
167 bool (*get_hw_state
)(struct intel_connector
*);
169 /* Panel info for eDP and LVDS */
170 struct intel_panel panel
;
172 /* Cached EDID for eDP and LVDS. May hold ERR_PTR for invalid EDID. */
176 struct intel_crtc_config
{
177 struct drm_display_mode requested_mode
;
178 struct drm_display_mode adjusted_mode
;
179 /* This flag must be set by the encoder's compute_config callback if it
180 * changes the crtc timings in the mode to prevent the crtc fixup from
181 * overwriting them. Currently only lvds needs that. */
183 /* Whether to set up the PCH/FDI. Note that we never allow sharing
184 * between pch encoders and cpu encoders. */
185 bool has_pch_encoder
;
188 * Use reduced/limited/broadcast rbg range, compressing from the full
189 * range fed into the crtcs.
191 bool limited_color_range
;
193 /* DP has a bunch of special case unfortunately, so mark the pipe
198 /* Controls for the clock computation, to override various stages. */
201 /* Settings for the intel dpll used on pretty much everything but
210 struct intel_link_m_n dp_m_n
;
212 * This is currently used by DP and HDMI encoders since those can have a
213 * target pixel clock != the port link clock (which is currently stored
214 * in adjusted_mode->clock).
216 int pixel_target_clock
;
217 /* Used by SDVO (and if we ever fix it, HDMI). */
218 unsigned pixel_multiplier
;
222 struct drm_crtc base
;
225 enum transcoder cpu_transcoder
;
226 u8 lut_r
[256], lut_g
[256], lut_b
[256];
228 * Whether the crtc and the connected output pipeline is active. Implies
229 * that crtc->enabled is set, i.e. the current mode configuration has
230 * some outputs connected to this crtc.
234 bool primary_disabled
; /* is the crtc obscured by a plane? */
236 struct intel_overlay
*overlay
;
237 struct intel_unpin_work
*unpin_work
;
240 atomic_t unpin_work_count
;
242 /* Display surface base address adjustement for pageflips. Note that on
243 * gen4+ this only adjusts up to a tile, offsets within a tile are
244 * handled in the hw itself (with the TILEOFF register). */
245 unsigned long dspaddr_offset
;
247 struct drm_i915_gem_object
*cursor_bo
;
248 uint32_t cursor_addr
;
249 int16_t cursor_x
, cursor_y
;
250 int16_t cursor_width
, cursor_height
;
253 struct intel_crtc_config config
;
255 /* We can share PLLs across outputs if the timings match */
256 struct intel_pch_pll
*pch_pll
;
257 uint32_t ddi_pll_sel
;
259 /* reset counter value when the last flip was submitted */
260 unsigned int reset_counter
;
264 struct drm_plane base
;
267 struct drm_i915_gem_object
*obj
;
270 u32 lut_r
[1024], lut_g
[1024], lut_b
[1024];
272 unsigned int crtc_w
, crtc_h
;
273 uint32_t src_x
, src_y
;
274 uint32_t src_w
, src_h
;
275 void (*update_plane
)(struct drm_plane
*plane
,
276 struct drm_framebuffer
*fb
,
277 struct drm_i915_gem_object
*obj
,
278 int crtc_x
, int crtc_y
,
279 unsigned int crtc_w
, unsigned int crtc_h
,
280 uint32_t x
, uint32_t y
,
281 uint32_t src_w
, uint32_t src_h
);
282 void (*disable_plane
)(struct drm_plane
*plane
);
283 int (*update_colorkey
)(struct drm_plane
*plane
,
284 struct drm_intel_sprite_colorkey
*key
);
285 void (*get_colorkey
)(struct drm_plane
*plane
,
286 struct drm_intel_sprite_colorkey
*key
);
289 struct intel_watermark_params
{
290 unsigned long fifo_size
;
291 unsigned long max_wm
;
292 unsigned long default_wm
;
293 unsigned long guard_size
;
294 unsigned long cacheline_size
;
297 struct cxsr_latency
{
300 unsigned long fsb_freq
;
301 unsigned long mem_freq
;
302 unsigned long display_sr
;
303 unsigned long display_hpll_disable
;
304 unsigned long cursor_sr
;
305 unsigned long cursor_hpll_disable
;
308 #define to_intel_crtc(x) container_of(x, struct intel_crtc, base)
309 #define to_intel_connector(x) container_of(x, struct intel_connector, base)
310 #define to_intel_encoder(x) container_of(x, struct intel_encoder, base)
311 #define to_intel_framebuffer(x) container_of(x, struct intel_framebuffer, base)
312 #define to_intel_plane(x) container_of(x, struct intel_plane, base)
314 #define DIP_HEADER_SIZE 5
316 #define DIP_TYPE_AVI 0x82
317 #define DIP_VERSION_AVI 0x2
318 #define DIP_LEN_AVI 13
319 #define DIP_AVI_PR_1 0
320 #define DIP_AVI_PR_2 1
321 #define DIP_AVI_RGB_QUANT_RANGE_DEFAULT (0 << 2)
322 #define DIP_AVI_RGB_QUANT_RANGE_LIMITED (1 << 2)
323 #define DIP_AVI_RGB_QUANT_RANGE_FULL (2 << 2)
325 #define DIP_TYPE_SPD 0x83
326 #define DIP_VERSION_SPD 0x1
327 #define DIP_LEN_SPD 25
328 #define DIP_SPD_UNKNOWN 0
329 #define DIP_SPD_DSTB 0x1
330 #define DIP_SPD_DVDP 0x2
331 #define DIP_SPD_DVHS 0x3
332 #define DIP_SPD_HDDVR 0x4
333 #define DIP_SPD_DVC 0x5
334 #define DIP_SPD_DSC 0x6
335 #define DIP_SPD_VCD 0x7
336 #define DIP_SPD_GAME 0x8
337 #define DIP_SPD_PC 0x9
338 #define DIP_SPD_BD 0xa
339 #define DIP_SPD_SCD 0xb
341 struct dip_infoframe
{
342 uint8_t type
; /* HB0 */
343 uint8_t ver
; /* HB1 */
344 uint8_t len
; /* HB2 - body len, not including checksum */
345 uint8_t ecc
; /* Header ECC */
346 uint8_t checksum
; /* PB0 */
349 /* PB1 - Y 6:5, A 4:4, B 3:2, S 1:0 */
351 /* PB2 - C 7:6, M 5:4, R 3:0 */
353 /* PB3 - ITC 7:7, EC 6:4, Q 3:2, SC 1:0 */
357 /* PB5 - YQ 7:6, CN 5:4, PR 3:0 */
360 uint16_t top_bar_end
;
361 uint16_t bottom_bar_start
;
362 uint16_t left_bar_end
;
363 uint16_t right_bar_start
;
364 } __attribute__ ((packed
)) avi
;
369 } __attribute__ ((packed
)) spd
;
371 } __attribute__ ((packed
)) body
;
372 } __attribute__((packed
));
377 uint32_t color_range
;
378 bool color_range_auto
;
381 enum hdmi_force_audio force_audio
;
382 bool rgb_quant_range_selectable
;
383 void (*write_infoframe
)(struct drm_encoder
*encoder
,
384 struct dip_infoframe
*frame
);
385 void (*set_infoframes
)(struct drm_encoder
*encoder
,
386 struct drm_display_mode
*adjusted_mode
);
389 #define DP_MAX_DOWNSTREAM_PORTS 0x10
390 #define DP_LINK_CONFIGURATION_SIZE 9
394 uint32_t aux_ch_ctl_reg
;
396 uint8_t link_configuration
[DP_LINK_CONFIGURATION_SIZE
];
398 enum hdmi_force_audio force_audio
;
399 uint32_t color_range
;
400 bool color_range_auto
;
403 uint8_t dpcd
[DP_RECEIVER_CAP_SIZE
];
404 uint8_t downstream_ports
[DP_MAX_DOWNSTREAM_PORTS
];
405 struct i2c_adapter adapter
;
406 struct i2c_algo_dp_aux_data algo
;
408 uint8_t train_set
[4];
409 int panel_power_up_delay
;
410 int panel_power_down_delay
;
411 int panel_power_cycle_delay
;
412 int backlight_on_delay
;
413 int backlight_off_delay
;
414 struct delayed_work panel_vdd_work
;
416 struct intel_connector
*attached_connector
;
419 struct intel_digital_port
{
420 struct intel_encoder base
;
424 struct intel_hdmi hdmi
;
427 static inline struct drm_crtc
*
428 intel_get_crtc_for_pipe(struct drm_device
*dev
, int pipe
)
430 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
431 return dev_priv
->pipe_to_crtc_mapping
[pipe
];
434 static inline struct drm_crtc
*
435 intel_get_crtc_for_plane(struct drm_device
*dev
, int plane
)
437 struct drm_i915_private
*dev_priv
= dev
->dev_private
;
438 return dev_priv
->plane_to_crtc_mapping
[plane
];
441 struct intel_unpin_work
{
442 struct work_struct work
;
443 struct drm_crtc
*crtc
;
444 struct drm_i915_gem_object
*old_fb_obj
;
445 struct drm_i915_gem_object
*pending_flip_obj
;
446 struct drm_pending_vblank_event
*event
;
448 #define INTEL_FLIP_INACTIVE 0
449 #define INTEL_FLIP_PENDING 1
450 #define INTEL_FLIP_COMPLETE 2
451 bool enable_stall_check
;
454 struct intel_fbc_work
{
455 struct delayed_work work
;
456 struct drm_crtc
*crtc
;
457 struct drm_framebuffer
*fb
;
461 int intel_pch_rawclk(struct drm_device
*dev
);
463 int intel_connector_update_modes(struct drm_connector
*connector
,
465 int intel_ddc_get_modes(struct drm_connector
*c
, struct i2c_adapter
*adapter
);
467 extern void intel_attach_force_audio_property(struct drm_connector
*connector
);
468 extern void intel_attach_broadcast_rgb_property(struct drm_connector
*connector
);
470 extern void intel_crt_init(struct drm_device
*dev
);
471 extern void intel_hdmi_init(struct drm_device
*dev
,
472 int hdmi_reg
, enum port port
);
473 extern void intel_hdmi_init_connector(struct intel_digital_port
*intel_dig_port
,
474 struct intel_connector
*intel_connector
);
475 extern struct intel_hdmi
*enc_to_intel_hdmi(struct drm_encoder
*encoder
);
476 extern bool intel_hdmi_compute_config(struct intel_encoder
*encoder
,
477 struct intel_crtc_config
*pipe_config
);
478 extern void intel_dip_infoframe_csum(struct dip_infoframe
*avi_if
);
479 extern bool intel_sdvo_init(struct drm_device
*dev
, uint32_t sdvo_reg
,
481 extern void intel_dvo_init(struct drm_device
*dev
);
482 extern void intel_tv_init(struct drm_device
*dev
);
483 extern void intel_mark_busy(struct drm_device
*dev
);
484 extern void intel_mark_fb_busy(struct drm_i915_gem_object
*obj
);
485 extern void intel_mark_idle(struct drm_device
*dev
);
486 extern bool intel_lvds_init(struct drm_device
*dev
);
487 extern bool intel_is_dual_link_lvds(struct drm_device
*dev
);
488 extern void intel_dp_init(struct drm_device
*dev
, int output_reg
,
490 extern void intel_dp_init_connector(struct intel_digital_port
*intel_dig_port
,
491 struct intel_connector
*intel_connector
);
492 extern void intel_dp_init_link_config(struct intel_dp
*intel_dp
);
493 extern void intel_dp_start_link_train(struct intel_dp
*intel_dp
);
494 extern void intel_dp_complete_link_train(struct intel_dp
*intel_dp
);
495 extern void intel_dp_sink_dpms(struct intel_dp
*intel_dp
, int mode
);
496 extern void intel_dp_encoder_destroy(struct drm_encoder
*encoder
);
497 extern void intel_dp_check_link_status(struct intel_dp
*intel_dp
);
498 extern bool intel_dp_compute_config(struct intel_encoder
*encoder
,
499 struct intel_crtc_config
*pipe_config
);
500 extern bool intel_dpd_is_edp(struct drm_device
*dev
);
501 extern void ironlake_edp_backlight_on(struct intel_dp
*intel_dp
);
502 extern void ironlake_edp_backlight_off(struct intel_dp
*intel_dp
);
503 extern void ironlake_edp_panel_on(struct intel_dp
*intel_dp
);
504 extern void ironlake_edp_panel_off(struct intel_dp
*intel_dp
);
505 extern void ironlake_edp_panel_vdd_on(struct intel_dp
*intel_dp
);
506 extern void ironlake_edp_panel_vdd_off(struct intel_dp
*intel_dp
, bool sync
);
507 extern bool intel_encoder_is_pch_edp(struct drm_encoder
*encoder
);
508 extern int intel_plane_init(struct drm_device
*dev
, enum pipe pipe
, int plane
);
509 extern void intel_flush_display_plane(struct drm_i915_private
*dev_priv
,
513 extern int intel_panel_init(struct intel_panel
*panel
,
514 struct drm_display_mode
*fixed_mode
);
515 extern void intel_panel_fini(struct intel_panel
*panel
);
517 extern void intel_fixed_panel_mode(struct drm_display_mode
*fixed_mode
,
518 struct drm_display_mode
*adjusted_mode
);
519 extern void intel_pch_panel_fitting(struct drm_device
*dev
,
521 const struct drm_display_mode
*mode
,
522 struct drm_display_mode
*adjusted_mode
);
523 extern u32
intel_panel_get_max_backlight(struct drm_device
*dev
);
524 extern void intel_panel_set_backlight(struct drm_device
*dev
, u32 level
);
525 extern int intel_panel_setup_backlight(struct drm_connector
*connector
);
526 extern void intel_panel_enable_backlight(struct drm_device
*dev
,
528 extern void intel_panel_disable_backlight(struct drm_device
*dev
);
529 extern void intel_panel_destroy_backlight(struct drm_device
*dev
);
530 extern enum drm_connector_status
intel_panel_detect(struct drm_device
*dev
);
532 struct intel_set_config
{
533 struct drm_encoder
**save_connector_encoders
;
534 struct drm_crtc
**save_encoder_crtcs
;
540 extern int intel_set_mode(struct drm_crtc
*crtc
, struct drm_display_mode
*mode
,
541 int x
, int y
, struct drm_framebuffer
*old_fb
);
542 extern void intel_modeset_disable(struct drm_device
*dev
);
543 extern void intel_crtc_restore_mode(struct drm_crtc
*crtc
);
544 extern void intel_crtc_load_lut(struct drm_crtc
*crtc
);
545 extern void intel_crtc_update_dpms(struct drm_crtc
*crtc
);
546 extern void intel_encoder_destroy(struct drm_encoder
*encoder
);
547 extern void intel_encoder_dpms(struct intel_encoder
*encoder
, int mode
);
548 extern bool intel_encoder_check_is_cloned(struct intel_encoder
*encoder
);
549 extern void intel_connector_dpms(struct drm_connector
*, int mode
);
550 extern bool intel_connector_get_hw_state(struct intel_connector
*connector
);
551 extern void intel_modeset_check_state(struct drm_device
*dev
);
552 extern void intel_plane_restore(struct drm_plane
*plane
);
555 static inline struct intel_encoder
*intel_attached_encoder(struct drm_connector
*connector
)
557 return to_intel_connector(connector
)->encoder
;
560 static inline struct intel_dp
*enc_to_intel_dp(struct drm_encoder
*encoder
)
562 struct intel_digital_port
*intel_dig_port
=
563 container_of(encoder
, struct intel_digital_port
, base
.base
);
564 return &intel_dig_port
->dp
;
567 static inline struct intel_digital_port
*
568 enc_to_dig_port(struct drm_encoder
*encoder
)
570 return container_of(encoder
, struct intel_digital_port
, base
.base
);
573 static inline struct intel_digital_port
*
574 dp_to_dig_port(struct intel_dp
*intel_dp
)
576 return container_of(intel_dp
, struct intel_digital_port
, dp
);
579 static inline struct intel_digital_port
*
580 hdmi_to_dig_port(struct intel_hdmi
*intel_hdmi
)
582 return container_of(intel_hdmi
, struct intel_digital_port
, hdmi
);
585 bool ibx_digital_port_connected(struct drm_i915_private
*dev_priv
,
586 struct intel_digital_port
*port
);
588 extern void intel_connector_attach_encoder(struct intel_connector
*connector
,
589 struct intel_encoder
*encoder
);
590 extern struct drm_encoder
*intel_best_encoder(struct drm_connector
*connector
);
592 extern struct drm_display_mode
*intel_crtc_mode_get(struct drm_device
*dev
,
593 struct drm_crtc
*crtc
);
594 int intel_get_pipe_from_crtc_id(struct drm_device
*dev
, void *data
,
595 struct drm_file
*file_priv
);
596 extern enum transcoder
597 intel_pipe_to_cpu_transcoder(struct drm_i915_private
*dev_priv
,
599 extern void intel_wait_for_vblank(struct drm_device
*dev
, int pipe
);
600 extern void intel_wait_for_pipe_off(struct drm_device
*dev
, int pipe
);
601 extern int ironlake_get_lanes_required(int target_clock
, int link_bw
, int bpp
);
603 struct intel_load_detect_pipe
{
604 struct drm_framebuffer
*release_fb
;
605 bool load_detect_temp
;
608 extern bool intel_get_load_detect_pipe(struct drm_connector
*connector
,
609 struct drm_display_mode
*mode
,
610 struct intel_load_detect_pipe
*old
);
611 extern void intel_release_load_detect_pipe(struct drm_connector
*connector
,
612 struct intel_load_detect_pipe
*old
);
614 extern void intelfb_restore(void);
615 extern void intel_crtc_fb_gamma_set(struct drm_crtc
*crtc
, u16 red
, u16 green
,
616 u16 blue
, int regno
);
617 extern void intel_crtc_fb_gamma_get(struct drm_crtc
*crtc
, u16
*red
, u16
*green
,
618 u16
*blue
, int regno
);
619 extern void intel_enable_clock_gating(struct drm_device
*dev
);
621 extern int intel_pin_and_fence_fb_obj(struct drm_device
*dev
,
622 struct drm_i915_gem_object
*obj
,
623 struct intel_ring_buffer
*pipelined
);
624 extern void intel_unpin_fb_obj(struct drm_i915_gem_object
*obj
);
626 extern int intel_framebuffer_init(struct drm_device
*dev
,
627 struct intel_framebuffer
*ifb
,
628 struct drm_mode_fb_cmd2
*mode_cmd
,
629 struct drm_i915_gem_object
*obj
);
630 extern int intel_fbdev_init(struct drm_device
*dev
);
631 extern void intel_fbdev_initial_config(struct drm_device
*dev
);
632 extern void intel_fbdev_fini(struct drm_device
*dev
);
633 extern void intel_fbdev_set_suspend(struct drm_device
*dev
, int state
);
634 extern void intel_prepare_page_flip(struct drm_device
*dev
, int plane
);
635 extern void intel_finish_page_flip(struct drm_device
*dev
, int pipe
);
636 extern void intel_finish_page_flip_plane(struct drm_device
*dev
, int plane
);
638 extern void intel_setup_overlay(struct drm_device
*dev
);
639 extern void intel_cleanup_overlay(struct drm_device
*dev
);
640 extern int intel_overlay_switch_off(struct intel_overlay
*overlay
);
641 extern int intel_overlay_put_image(struct drm_device
*dev
, void *data
,
642 struct drm_file
*file_priv
);
643 extern int intel_overlay_attrs(struct drm_device
*dev
, void *data
,
644 struct drm_file
*file_priv
);
646 extern void intel_fb_output_poll_changed(struct drm_device
*dev
);
647 extern void intel_fb_restore_mode(struct drm_device
*dev
);
649 extern void assert_pipe(struct drm_i915_private
*dev_priv
, enum pipe pipe
,
651 #define assert_pipe_enabled(d, p) assert_pipe(d, p, true)
652 #define assert_pipe_disabled(d, p) assert_pipe(d, p, false)
654 extern void intel_init_clock_gating(struct drm_device
*dev
);
655 extern void intel_write_eld(struct drm_encoder
*encoder
,
656 struct drm_display_mode
*mode
);
657 extern void intel_cpt_verify_modeset(struct drm_device
*dev
, int pipe
);
658 extern void intel_cpu_transcoder_set_m_n(struct intel_crtc
*crtc
,
659 struct intel_link_m_n
*m_n
);
660 extern void intel_pch_transcoder_set_m_n(struct intel_crtc
*crtc
,
661 struct intel_link_m_n
*m_n
);
662 extern void intel_prepare_ddi(struct drm_device
*dev
);
663 extern void hsw_fdi_link_train(struct drm_crtc
*crtc
);
664 extern void intel_ddi_init(struct drm_device
*dev
, enum port port
);
666 /* For use by IVB LP watermark workaround in intel_sprite.c */
667 extern void intel_update_watermarks(struct drm_device
*dev
);
668 extern void intel_update_sprite_watermarks(struct drm_device
*dev
, int pipe
,
669 uint32_t sprite_width
,
671 extern void intel_update_linetime_watermarks(struct drm_device
*dev
, int pipe
,
672 struct drm_display_mode
*mode
);
674 extern unsigned long intel_gen4_compute_page_offset(int *x
, int *y
,
675 unsigned int tiling_mode
,
679 extern int intel_sprite_set_colorkey(struct drm_device
*dev
, void *data
,
680 struct drm_file
*file_priv
);
681 extern int intel_sprite_get_colorkey(struct drm_device
*dev
, void *data
,
682 struct drm_file
*file_priv
);
684 extern u32
intel_dpio_read(struct drm_i915_private
*dev_priv
, int reg
);
686 /* Power-related functions, located in intel_pm.c */
687 extern void intel_init_pm(struct drm_device
*dev
);
689 extern bool intel_fbc_enabled(struct drm_device
*dev
);
690 extern void intel_enable_fbc(struct drm_crtc
*crtc
, unsigned long interval
);
691 extern void intel_update_fbc(struct drm_device
*dev
);
693 extern void intel_gpu_ips_init(struct drm_i915_private
*dev_priv
);
694 extern void intel_gpu_ips_teardown(void);
696 extern bool intel_using_power_well(struct drm_device
*dev
);
697 extern void intel_init_power_well(struct drm_device
*dev
);
698 extern void intel_set_power_well(struct drm_device
*dev
, bool enable
);
699 extern void intel_enable_gt_powersave(struct drm_device
*dev
);
700 extern void intel_disable_gt_powersave(struct drm_device
*dev
);
701 extern void gen6_gt_check_fifodbg(struct drm_i915_private
*dev_priv
);
702 extern void ironlake_teardown_rc6(struct drm_device
*dev
);
704 extern bool intel_ddi_get_hw_state(struct intel_encoder
*encoder
,
706 extern int intel_ddi_get_cdclk_freq(struct drm_i915_private
*dev_priv
);
707 extern void intel_ddi_pll_init(struct drm_device
*dev
);
708 extern void intel_ddi_enable_transcoder_func(struct drm_crtc
*crtc
);
709 extern void intel_ddi_disable_transcoder_func(struct drm_i915_private
*dev_priv
,
710 enum transcoder cpu_transcoder
);
711 extern void intel_ddi_enable_pipe_clock(struct intel_crtc
*intel_crtc
);
712 extern void intel_ddi_disable_pipe_clock(struct intel_crtc
*intel_crtc
);
713 extern void intel_ddi_setup_hw_pll_state(struct drm_device
*dev
);
714 extern bool intel_ddi_pll_mode_set(struct drm_crtc
*crtc
, int clock
);
715 extern void intel_ddi_put_crtc_pll(struct drm_crtc
*crtc
);
716 extern void intel_ddi_set_pipe_settings(struct drm_crtc
*crtc
);
717 extern void intel_ddi_prepare_link_retrain(struct drm_encoder
*encoder
);
719 intel_ddi_connector_get_hw_state(struct intel_connector
*intel_connector
);
720 extern void intel_ddi_fdi_disable(struct drm_crtc
*crtc
);
722 extern void intel_display_handle_reset(struct drm_device
*dev
);
724 #endif /* __INTEL_DRV_H__ */