1 /*
2  * Copyright © 2006-2019 Intel Corporation
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice (including the next
12  * paragraph) shall be included in all copies or substantial portions of the
13  * Software.
14  *
15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21  * IN THE SOFTWARE.
22  *
23  */
24 
25 #ifndef _INTEL_DISPLAY_H_
26 #define _INTEL_DISPLAY_H_
27 
28 #include <drm/drm_util.h>
29 
30 #include "i915_reg_defs.h"
31 
32 enum drm_scaling_filter;
33 struct dpll;
34 struct drm_connector;
35 struct drm_device;
36 struct drm_display_mode;
37 struct drm_encoder;
38 struct drm_file;
39 struct drm_format_info;
40 struct drm_framebuffer;
41 struct drm_i915_gem_object;
42 struct drm_i915_private;
43 struct drm_mode_fb_cmd2;
44 struct drm_modeset_acquire_ctx;
45 struct drm_plane;
46 struct drm_plane_state;
47 struct i915_address_space;
48 struct i915_ggtt_view;
49 struct intel_atomic_state;
50 struct intel_crtc;
51 struct intel_crtc_state;
52 struct intel_digital_port;
53 struct intel_dp;
54 struct intel_encoder;
55 struct intel_initial_plane_config;
56 struct intel_load_detect_pipe;
57 struct intel_plane;
58 struct intel_plane_state;
59 struct intel_remapped_info;
60 struct intel_rotation_info;
61 struct pci_dev;
62 
63 enum i915_gpio {
64 	GPIOA,
65 	GPIOB,
66 	GPIOC,
67 	GPIOD,
68 	GPIOE,
69 	GPIOF,
70 	GPIOG,
71 	GPIOH,
72 	__GPIOI_UNUSED,
73 	GPIOJ,
74 	GPIOK,
75 	GPIOL,
76 	GPIOM,
77 	GPION,
78 	GPIOO,
79 };
80 
81 /*
82  * Keep the pipe enum values fixed: the code assumes that PIPE_A=0, the
83  * rest have consecutive values and match the enum values of transcoders
84  * with a 1:1 transcoder -> pipe mapping.
85  */
86 enum pipe {
87 	INVALID_PIPE = -1,
88 
89 	PIPE_A = 0,
90 	PIPE_B,
91 	PIPE_C,
92 	PIPE_D,
93 	_PIPE_EDP,
94 
95 	I915_MAX_PIPES = _PIPE_EDP
96 };
97 
98 #define pipe_name(p) ((p) + 'A')
99 
100 enum transcoder {
101 	INVALID_TRANSCODER = -1,
102 	/*
103 	 * The following transcoders have a 1:1 transcoder -> pipe mapping,
104 	 * keep their values fixed: the code assumes that TRANSCODER_A=0, the
105 	 * rest have consecutive values and match the enum values of the pipes
106 	 * they map to.
107 	 */
108 	TRANSCODER_A = PIPE_A,
109 	TRANSCODER_B = PIPE_B,
110 	TRANSCODER_C = PIPE_C,
111 	TRANSCODER_D = PIPE_D,
112 
113 	/*
114 	 * The following transcoders can map to any pipe, their enum value
115 	 * doesn't need to stay fixed.
116 	 */
117 	TRANSCODER_EDP,
118 	TRANSCODER_DSI_0,
119 	TRANSCODER_DSI_1,
120 	TRANSCODER_DSI_A = TRANSCODER_DSI_0,	/* legacy DSI */
121 	TRANSCODER_DSI_C = TRANSCODER_DSI_1,	/* legacy DSI */
122 
123 	I915_MAX_TRANSCODERS
124 };
125 
126 static inline const char *transcoder_name(enum transcoder transcoder)
127 {
128 	switch (transcoder) {
129 	case TRANSCODER_A:
130 		return "A";
131 	case TRANSCODER_B:
132 		return "B";
133 	case TRANSCODER_C:
134 		return "C";
135 	case TRANSCODER_D:
136 		return "D";
137 	case TRANSCODER_EDP:
138 		return "EDP";
139 	case TRANSCODER_DSI_A:
140 		return "DSI A";
141 	case TRANSCODER_DSI_C:
142 		return "DSI C";
143 	default:
144 		return "<invalid>";
145 	}
146 }
147 
148 static inline bool transcoder_is_dsi(enum transcoder transcoder)
149 {
150 	return transcoder == TRANSCODER_DSI_A || transcoder == TRANSCODER_DSI_C;
151 }
152 
153 /*
154  * Global legacy plane identifier. Valid only for primary/sprite
155  * planes on pre-g4x, and only for primary planes on g4x-bdw.
156  */
157 enum i9xx_plane_id {
158 	PLANE_A,
159 	PLANE_B,
160 	PLANE_C,
161 };
162 
163 #define plane_name(p) ((p) + 'A')
164 #define sprite_name(p, s) ((p) * RUNTIME_INFO(dev_priv)->num_sprites[(p)] + (s) + 'A')
165 
166 /*
167  * Per-pipe plane identifier.
168  * I915_MAX_PLANES in the enum below is the maximum (across all platforms)
169  * number of planes per CRTC.  Not all platforms really have this many planes,
170  * which means some arrays of size I915_MAX_PLANES may have unused entries
171  * between the topmost sprite plane and the cursor plane.
172  *
173  * This is expected to be passed to various register macros
174  * (eg. PLANE_CTL(), PS_PLANE_SEL(), etc.) so adjust with care.
175  */
176 enum plane_id {
177 	PLANE_PRIMARY,
178 	PLANE_SPRITE0,
179 	PLANE_SPRITE1,
180 	PLANE_SPRITE2,
181 	PLANE_SPRITE3,
182 	PLANE_SPRITE4,
183 	PLANE_SPRITE5,
184 	PLANE_CURSOR,
185 
186 	I915_MAX_PLANES,
187 };
188 
189 #define for_each_plane_id_on_crtc(__crtc, __p) \
190 	for ((__p) = PLANE_PRIMARY; (__p) < I915_MAX_PLANES; (__p)++) \
191 		for_each_if((__crtc)->plane_ids_mask & BIT(__p))
192 
193 #define for_each_dbuf_slice(__dev_priv, __slice) \
194 	for ((__slice) = DBUF_S1; (__slice) < I915_MAX_DBUF_SLICES; (__slice)++) \
195 		for_each_if(INTEL_INFO(__dev_priv)->dbuf.slice_mask & BIT(__slice))
196 
197 #define for_each_dbuf_slice_in_mask(__dev_priv, __slice, __mask) \
198 	for_each_dbuf_slice((__dev_priv), (__slice)) \
199 		for_each_if((__mask) & BIT(__slice))
200 
201 enum port {
202 	PORT_NONE = -1,
203 
204 	PORT_A = 0,
205 	PORT_B,
206 	PORT_C,
207 	PORT_D,
208 	PORT_E,
209 	PORT_F,
210 	PORT_G,
211 	PORT_H,
212 	PORT_I,
213 
214 	/* tgl+ */
215 	PORT_TC1 = PORT_D,
216 	PORT_TC2,
217 	PORT_TC3,
218 	PORT_TC4,
219 	PORT_TC5,
220 	PORT_TC6,
221 
222 	/* XE_LPD repositions D/E offsets and bitfields */
223 	PORT_D_XELPD = PORT_TC5,
224 	PORT_E_XELPD,
225 
226 	I915_MAX_PORTS
227 };
228 
229 #define port_name(p) ((p) + 'A')
230 
231 /*
232  * Ports identifier referenced from other drivers.
233  * Expected to remain stable over time
234  */
235 static inline const char *port_identifier(enum port port)
236 {
237 	switch (port) {
238 	case PORT_A:
239 		return "Port A";
240 	case PORT_B:
241 		return "Port B";
242 	case PORT_C:
243 		return "Port C";
244 	case PORT_D:
245 		return "Port D";
246 	case PORT_E:
247 		return "Port E";
248 	case PORT_F:
249 		return "Port F";
250 	case PORT_G:
251 		return "Port G";
252 	case PORT_H:
253 		return "Port H";
254 	case PORT_I:
255 		return "Port I";
256 	default:
257 		return "<invalid>";
258 	}
259 }
260 
261 enum tc_port {
262 	TC_PORT_NONE = -1,
263 
264 	TC_PORT_1 = 0,
265 	TC_PORT_2,
266 	TC_PORT_3,
267 	TC_PORT_4,
268 	TC_PORT_5,
269 	TC_PORT_6,
270 
271 	I915_MAX_TC_PORTS
272 };
273 
274 enum tc_port_mode {
275 	TC_PORT_DISCONNECTED,
276 	TC_PORT_TBT_ALT,
277 	TC_PORT_DP_ALT,
278 	TC_PORT_LEGACY,
279 };
280 
281 enum dpio_channel {
282 	DPIO_CH0,
283 	DPIO_CH1
284 };
285 
286 enum dpio_phy {
287 	DPIO_PHY0,
288 	DPIO_PHY1,
289 	DPIO_PHY2,
290 };
291 
292 enum aux_ch {
293 	AUX_CH_A,
294 	AUX_CH_B,
295 	AUX_CH_C,
296 	AUX_CH_D,
297 	AUX_CH_E, /* ICL+ */
298 	AUX_CH_F,
299 	AUX_CH_G,
300 	AUX_CH_H,
301 	AUX_CH_I,
302 
303 	/* tgl+ */
304 	AUX_CH_USBC1 = AUX_CH_D,
305 	AUX_CH_USBC2,
306 	AUX_CH_USBC3,
307 	AUX_CH_USBC4,
308 	AUX_CH_USBC5,
309 	AUX_CH_USBC6,
310 
311 	/* XE_LPD repositions D/E offsets and bitfields */
312 	AUX_CH_D_XELPD = AUX_CH_USBC5,
313 	AUX_CH_E_XELPD,
314 };
315 
316 #define aux_ch_name(a) ((a) + 'A')
317 
318 /* Used by dp and fdi links */
319 struct intel_link_m_n {
320 	u32 tu;
321 	u32 data_m;
322 	u32 data_n;
323 	u32 link_m;
324 	u32 link_n;
325 };
326 
327 enum phy {
328 	PHY_NONE = -1,
329 
330 	PHY_A = 0,
331 	PHY_B,
332 	PHY_C,
333 	PHY_D,
334 	PHY_E,
335 	PHY_F,
336 	PHY_G,
337 	PHY_H,
338 	PHY_I,
339 
340 	I915_MAX_PHYS
341 };
342 
343 #define phy_name(a) ((a) + 'A')
344 
345 enum phy_fia {
346 	FIA1,
347 	FIA2,
348 	FIA3,
349 };
350 
351 enum hpd_pin {
352 	HPD_NONE = 0,
353 	HPD_TV = HPD_NONE,     /* TV is known to be unreliable */
354 	HPD_CRT,
355 	HPD_SDVO_B,
356 	HPD_SDVO_C,
357 	HPD_PORT_A,
358 	HPD_PORT_B,
359 	HPD_PORT_C,
360 	HPD_PORT_D,
361 	HPD_PORT_E,
362 	HPD_PORT_TC1,
363 	HPD_PORT_TC2,
364 	HPD_PORT_TC3,
365 	HPD_PORT_TC4,
366 	HPD_PORT_TC5,
367 	HPD_PORT_TC6,
368 
369 	HPD_NUM_PINS
370 };
371 
372 #define for_each_hpd_pin(__pin) \
373 	for ((__pin) = (HPD_NONE + 1); (__pin) < HPD_NUM_PINS; (__pin)++)
374 
375 #define for_each_pipe(__dev_priv, __p) \
376 	for ((__p) = 0; (__p) < I915_MAX_PIPES; (__p)++) \
377 		for_each_if(INTEL_INFO(__dev_priv)->display.pipe_mask & BIT(__p))
378 
379 #define for_each_pipe_masked(__dev_priv, __p, __mask) \
380 	for_each_pipe(__dev_priv, __p) \
381 		for_each_if((__mask) & BIT(__p))
382 
383 #define for_each_cpu_transcoder(__dev_priv, __t) \
384 	for ((__t) = 0; (__t) < I915_MAX_TRANSCODERS; (__t)++)	\
385 		for_each_if (INTEL_INFO(__dev_priv)->display.cpu_transcoder_mask & BIT(__t))
386 
387 #define for_each_cpu_transcoder_masked(__dev_priv, __t, __mask) \
388 	for_each_cpu_transcoder(__dev_priv, __t) \
389 		for_each_if ((__mask) & BIT(__t))
390 
391 #define for_each_sprite(__dev_priv, __p, __s)				\
392 	for ((__s) = 0;							\
393 	     (__s) < RUNTIME_INFO(__dev_priv)->num_sprites[(__p)];	\
394 	     (__s)++)
395 
396 #define for_each_port(__port) \
397 	for ((__port) = PORT_A; (__port) < I915_MAX_PORTS; (__port)++)
398 
399 #define for_each_port_masked(__port, __ports_mask)			\
400 	for_each_port(__port)						\
401 		for_each_if((__ports_mask) & BIT(__port))
402 
403 #define for_each_phy_masked(__phy, __phys_mask) \
404 	for ((__phy) = PHY_A; (__phy) < I915_MAX_PHYS; (__phy)++)	\
405 		for_each_if((__phys_mask) & BIT(__phy))
406 
407 #define for_each_crtc(dev, crtc) \
408 	list_for_each_entry(crtc, &(dev)->mode_config.crtc_list, head)
409 
410 #define for_each_intel_plane(dev, intel_plane) \
411 	list_for_each_entry(intel_plane,			\
412 			    &(dev)->mode_config.plane_list,	\
413 			    base.head)
414 
415 #define for_each_intel_plane_mask(dev, intel_plane, plane_mask)		\
416 	list_for_each_entry(intel_plane,				\
417 			    &(dev)->mode_config.plane_list,		\
418 			    base.head)					\
419 		for_each_if((plane_mask) &				\
420 			    drm_plane_mask(&intel_plane->base))
421 
422 #define for_each_intel_plane_on_crtc(dev, intel_crtc, intel_plane)	\
423 	list_for_each_entry(intel_plane,				\
424 			    &(dev)->mode_config.plane_list,		\
425 			    base.head)					\
426 		for_each_if((intel_plane)->pipe == (intel_crtc)->pipe)
427 
428 #define for_each_intel_crtc(dev, intel_crtc)				\
429 	list_for_each_entry(intel_crtc,					\
430 			    &(dev)->mode_config.crtc_list,		\
431 			    base.head)
432 
433 #define for_each_intel_crtc_in_pipe_mask(dev, intel_crtc, pipe_mask)	\
434 	list_for_each_entry(intel_crtc,					\
435 			    &(dev)->mode_config.crtc_list,		\
436 			    base.head)					\
437 		for_each_if((pipe_mask) & BIT(intel_crtc->pipe))
438 
439 #define for_each_intel_encoder(dev, intel_encoder)		\
440 	list_for_each_entry(intel_encoder,			\
441 			    &(dev)->mode_config.encoder_list,	\
442 			    base.head)
443 
444 #define for_each_intel_encoder_mask(dev, intel_encoder, encoder_mask)	\
445 	list_for_each_entry(intel_encoder,				\
446 			    &(dev)->mode_config.encoder_list,		\
447 			    base.head)					\
448 		for_each_if((encoder_mask) &				\
449 			    drm_encoder_mask(&intel_encoder->base))
450 
451 #define for_each_intel_encoder_mask_with_psr(dev, intel_encoder, encoder_mask) \
452 	list_for_each_entry((intel_encoder), &(dev)->mode_config.encoder_list, base.head) \
453 		for_each_if(((encoder_mask) & drm_encoder_mask(&(intel_encoder)->base)) && \
454 			    intel_encoder_can_psr(intel_encoder))
455 
456 #define for_each_intel_dp(dev, intel_encoder)			\
457 	for_each_intel_encoder(dev, intel_encoder)		\
458 		for_each_if(intel_encoder_is_dp(intel_encoder))
459 
460 #define for_each_intel_encoder_with_psr(dev, intel_encoder) \
461 	for_each_intel_encoder((dev), (intel_encoder)) \
462 		for_each_if(intel_encoder_can_psr(intel_encoder))
463 
464 #define for_each_intel_connector_iter(intel_connector, iter) \
465 	while ((intel_connector = to_intel_connector(drm_connector_list_iter_next(iter))))
466 
467 #define for_each_encoder_on_crtc(dev, __crtc, intel_encoder) \
468 	list_for_each_entry((intel_encoder), &(dev)->mode_config.encoder_list, base.head) \
469 		for_each_if((intel_encoder)->base.crtc == (__crtc))
470 
471 #define for_each_connector_on_encoder(dev, __encoder, intel_connector) \
472 	list_for_each_entry((intel_connector), &(dev)->mode_config.connector_list, base.head) \
473 		for_each_if((intel_connector)->base.encoder == (__encoder))
474 
475 #define for_each_old_intel_plane_in_state(__state, plane, old_plane_state, __i) \
476 	for ((__i) = 0; \
477 	     (__i) < (__state)->base.dev->mode_config.num_total_plane && \
478 		     ((plane) = to_intel_plane((__state)->base.planes[__i].ptr), \
479 		      (old_plane_state) = to_intel_plane_state((__state)->base.planes[__i].old_state), 1); \
480 	     (__i)++) \
481 		for_each_if(plane)
482 
483 #define for_each_new_intel_plane_in_state(__state, plane, new_plane_state, __i) \
484 	for ((__i) = 0; \
485 	     (__i) < (__state)->base.dev->mode_config.num_total_plane && \
486 		     ((plane) = to_intel_plane((__state)->base.planes[__i].ptr), \
487 		      (new_plane_state) = to_intel_plane_state((__state)->base.planes[__i].new_state), 1); \
488 	     (__i)++) \
489 		for_each_if(plane)
490 
491 #define for_each_new_intel_crtc_in_state(__state, crtc, new_crtc_state, __i) \
492 	for ((__i) = 0; \
493 	     (__i) < (__state)->base.dev->mode_config.num_crtc && \
494 		     ((crtc) = to_intel_crtc((__state)->base.crtcs[__i].ptr), \
495 		      (new_crtc_state) = to_intel_crtc_state((__state)->base.crtcs[__i].new_state), 1); \
496 	     (__i)++) \
497 		for_each_if(crtc)
498 
499 #define for_each_oldnew_intel_plane_in_state(__state, plane, old_plane_state, new_plane_state, __i) \
500 	for ((__i) = 0; \
501 	     (__i) < (__state)->base.dev->mode_config.num_total_plane && \
502 		     ((plane) = to_intel_plane((__state)->base.planes[__i].ptr), \
503 		      (old_plane_state) = to_intel_plane_state((__state)->base.planes[__i].old_state), \
504 		      (new_plane_state) = to_intel_plane_state((__state)->base.planes[__i].new_state), 1); \
505 	     (__i)++) \
506 		for_each_if(plane)
507 
508 #define for_each_oldnew_intel_crtc_in_state(__state, crtc, old_crtc_state, new_crtc_state, __i) \
509 	for ((__i) = 0; \
510 	     (__i) < (__state)->base.dev->mode_config.num_crtc && \
511 		     ((crtc) = to_intel_crtc((__state)->base.crtcs[__i].ptr), \
512 		      (old_crtc_state) = to_intel_crtc_state((__state)->base.crtcs[__i].old_state), \
513 		      (new_crtc_state) = to_intel_crtc_state((__state)->base.crtcs[__i].new_state), 1); \
514 	     (__i)++) \
515 		for_each_if(crtc)
516 
517 #define for_each_oldnew_intel_crtc_in_state_reverse(__state, crtc, old_crtc_state, new_crtc_state, __i) \
518 	for ((__i) = (__state)->base.dev->mode_config.num_crtc - 1; \
519 	     (__i) >= 0  && \
520 	     ((crtc) = to_intel_crtc((__state)->base.crtcs[__i].ptr), \
521 	      (old_crtc_state) = to_intel_crtc_state((__state)->base.crtcs[__i].old_state), \
522 	      (new_crtc_state) = to_intel_crtc_state((__state)->base.crtcs[__i].new_state), 1); \
523 	     (__i)--) \
524 		for_each_if(crtc)
525 
526 #define intel_atomic_crtc_state_for_each_plane_state( \
527 		  plane, plane_state, \
528 		  crtc_state) \
529 	for_each_intel_plane_mask(((crtc_state)->uapi.state->dev), (plane), \
530 				((crtc_state)->uapi.plane_mask)) \
531 		for_each_if ((plane_state = \
532 			      to_intel_plane_state(__drm_atomic_get_current_plane_state((crtc_state)->uapi.state, &plane->base))))
533 
534 #define for_each_new_intel_connector_in_state(__state, connector, new_connector_state, __i) \
535 	for ((__i) = 0; \
536 	     (__i) < (__state)->base.num_connector; \
537 	     (__i)++) \
538 		for_each_if ((__state)->base.connectors[__i].ptr && \
539 			     ((connector) = to_intel_connector((__state)->base.connectors[__i].ptr), \
540 			     (new_connector_state) = to_intel_digital_connector_state((__state)->base.connectors[__i].new_state), 1))
541 
542 int intel_atomic_add_affected_planes(struct intel_atomic_state *state,
543 				     struct intel_crtc *crtc);
544 u8 intel_calc_active_pipes(struct intel_atomic_state *state,
545 			   u8 active_pipes);
546 void intel_link_compute_m_n(u16 bpp, int nlanes,
547 			    int pixel_clock, int link_clock,
548 			    struct intel_link_m_n *m_n,
549 			    bool constant_n, bool fec_enable);
550 u32 intel_plane_fb_max_stride(struct drm_i915_private *dev_priv,
551 			      u32 pixel_format, u64 modifier);
552 enum drm_mode_status
553 intel_mode_valid_max_plane_size(struct drm_i915_private *dev_priv,
554 				const struct drm_display_mode *mode,
555 				bool bigjoiner);
556 enum phy intel_port_to_phy(struct drm_i915_private *i915, enum port port);
557 bool is_trans_port_sync_mode(const struct intel_crtc_state *state);
558 bool intel_crtc_is_bigjoiner_slave(const struct intel_crtc_state *crtc_state);
559 bool intel_crtc_is_bigjoiner_master(const struct intel_crtc_state *crtc_state);
560 u8 intel_crtc_bigjoiner_slave_pipes(const struct intel_crtc_state *crtc_state);
561 struct intel_crtc *intel_master_crtc(const struct intel_crtc_state *crtc_state);
562 
563 void intel_plane_destroy(struct drm_plane *plane);
564 void intel_enable_transcoder(const struct intel_crtc_state *new_crtc_state);
565 void intel_disable_transcoder(const struct intel_crtc_state *old_crtc_state);
566 void i830_enable_pipe(struct drm_i915_private *dev_priv, enum pipe pipe);
567 void i830_disable_pipe(struct drm_i915_private *dev_priv, enum pipe pipe);
568 enum pipe intel_crtc_pch_transcoder(struct intel_crtc *crtc);
569 int vlv_get_hpll_vco(struct drm_i915_private *dev_priv);
570 int vlv_get_cck_clock(struct drm_i915_private *dev_priv,
571 		      const char *name, u32 reg, int ref_freq);
572 int vlv_get_cck_clock_hpll(struct drm_i915_private *dev_priv,
573 			   const char *name, u32 reg);
574 void intel_init_display_hooks(struct drm_i915_private *dev_priv);
575 unsigned int intel_fb_xy_to_linear(int x, int y,
576 				   const struct intel_plane_state *state,
577 				   int plane);
578 void intel_add_fb_offsets(int *x, int *y,
579 			  const struct intel_plane_state *state, int plane);
580 unsigned int intel_rotation_info_size(const struct intel_rotation_info *rot_info);
581 unsigned int intel_remapped_info_size(const struct intel_remapped_info *rem_info);
582 bool intel_has_pending_fb_unpin(struct drm_i915_private *dev_priv);
583 int intel_display_suspend(struct drm_device *dev);
584 void intel_encoder_destroy(struct drm_encoder *encoder);
585 struct drm_display_mode *
586 intel_encoder_current_mode(struct intel_encoder *encoder);
587 bool intel_phy_is_combo(struct drm_i915_private *dev_priv, enum phy phy);
588 bool intel_phy_is_tc(struct drm_i915_private *dev_priv, enum phy phy);
589 bool intel_phy_is_snps(struct drm_i915_private *dev_priv, enum phy phy);
590 enum tc_port intel_port_to_tc(struct drm_i915_private *dev_priv,
591 			      enum port port);
592 int intel_get_pipe_from_crtc_id_ioctl(struct drm_device *dev, void *data,
593 				      struct drm_file *file_priv);
594 
595 int ilk_get_lanes_required(int target_clock, int link_bw, int bpp);
596 void vlv_wait_port_ready(struct drm_i915_private *dev_priv,
597 			 struct intel_digital_port *dig_port,
598 			 unsigned int expected_mask);
599 int intel_get_load_detect_pipe(struct drm_connector *connector,
600 			       struct intel_load_detect_pipe *old,
601 			       struct drm_modeset_acquire_ctx *ctx);
602 void intel_release_load_detect_pipe(struct drm_connector *connector,
603 				    struct intel_load_detect_pipe *old,
604 				    struct drm_modeset_acquire_ctx *ctx);
605 struct drm_framebuffer *
606 intel_framebuffer_create(struct drm_i915_gem_object *obj,
607 			 struct drm_mode_fb_cmd2 *mode_cmd);
608 
609 bool intel_fuzzy_clock_check(int clock1, int clock2);
610 
611 void intel_display_prepare_reset(struct drm_i915_private *dev_priv);
612 void intel_display_finish_reset(struct drm_i915_private *dev_priv);
613 void intel_zero_m_n(struct intel_link_m_n *m_n);
614 void intel_set_m_n(struct drm_i915_private *i915,
615 		   const struct intel_link_m_n *m_n,
616 		   i915_reg_t data_m_reg, i915_reg_t data_n_reg,
617 		   i915_reg_t link_m_reg, i915_reg_t link_n_reg);
618 void intel_get_m_n(struct drm_i915_private *i915,
619 		   struct intel_link_m_n *m_n,
620 		   i915_reg_t data_m_reg, i915_reg_t data_n_reg,
621 		   i915_reg_t link_m_reg, i915_reg_t link_n_reg);
622 bool intel_cpu_transcoder_has_m2_n2(struct drm_i915_private *dev_priv,
623 				    enum transcoder transcoder);
624 void intel_cpu_transcoder_set_m1_n1(struct intel_crtc *crtc,
625 				    enum transcoder cpu_transcoder,
626 				    const struct intel_link_m_n *m_n);
627 void intel_cpu_transcoder_set_m2_n2(struct intel_crtc *crtc,
628 				    enum transcoder cpu_transcoder,
629 				    const struct intel_link_m_n *m_n);
630 void intel_cpu_transcoder_get_m1_n1(struct intel_crtc *crtc,
631 				    enum transcoder cpu_transcoder,
632 				    struct intel_link_m_n *m_n);
633 void intel_cpu_transcoder_get_m2_n2(struct intel_crtc *crtc,
634 				    enum transcoder cpu_transcoder,
635 				    struct intel_link_m_n *m_n);
636 void i9xx_crtc_clock_get(struct intel_crtc *crtc,
637 			 struct intel_crtc_state *pipe_config);
638 int intel_dotclock_calculate(int link_freq, const struct intel_link_m_n *m_n);
639 enum intel_display_power_domain intel_port_to_power_domain(enum port port);
640 enum intel_display_power_domain
641 intel_aux_power_domain(struct intel_digital_port *dig_port);
642 enum intel_display_power_domain
643 intel_legacy_aux_to_power_domain(enum aux_ch aux_ch);
644 void intel_crtc_arm_fifo_underrun(struct intel_crtc *crtc,
645 				  struct intel_crtc_state *crtc_state);
646 void ilk_pfit_disable(const struct intel_crtc_state *old_crtc_state);
647 
648 int bdw_get_pipemisc_bpp(struct intel_crtc *crtc);
649 unsigned int intel_plane_fence_y_offset(const struct intel_plane_state *plane_state);
650 
651 bool intel_plane_uses_fence(const struct intel_plane_state *plane_state);
652 
653 struct intel_encoder *
654 intel_get_crtc_new_encoder(const struct intel_atomic_state *state,
655 			   const struct intel_crtc_state *crtc_state);
656 void intel_plane_disable_noatomic(struct intel_crtc *crtc,
657 				  struct intel_plane *plane);
658 
659 void intel_display_driver_register(struct drm_i915_private *i915);
660 void intel_display_driver_unregister(struct drm_i915_private *i915);
661 
662 /* modesetting */
663 bool intel_modeset_probe_defer(struct pci_dev *pdev);
664 void intel_modeset_init_hw(struct drm_i915_private *i915);
665 int intel_modeset_init_noirq(struct drm_i915_private *i915);
666 int intel_modeset_init_nogem(struct drm_i915_private *i915);
667 int intel_modeset_init(struct drm_i915_private *i915);
668 void intel_modeset_driver_remove(struct drm_i915_private *i915);
669 void intel_modeset_driver_remove_noirq(struct drm_i915_private *i915);
670 void intel_modeset_driver_remove_nogem(struct drm_i915_private *i915);
671 void intel_display_resume(struct drm_device *dev);
672 int intel_modeset_all_pipes(struct intel_atomic_state *state);
673 
674 /* modesetting asserts */
675 void assert_transcoder(struct drm_i915_private *dev_priv,
676 		       enum transcoder cpu_transcoder, bool state);
677 #define assert_transcoder_enabled(d, t) assert_transcoder(d, t, true)
678 #define assert_transcoder_disabled(d, t) assert_transcoder(d, t, false)
679 
680 /* Use I915_STATE_WARN(x) and I915_STATE_WARN_ON() (rather than WARN() and
681  * WARN_ON()) for hw state sanity checks to check for unexpected conditions
682  * which may not necessarily be a user visible problem.  This will either
683  * WARN() or DRM_ERROR() depending on the verbose_checks moduleparam, to
684  * enable distros and users to tailor their preferred amount of i915 abrt
685  * spam.
686  */
687 #define I915_STATE_WARN(condition, format...) ({			\
688 	int __ret_warn_on = !!(condition);				\
689 	if (unlikely(__ret_warn_on))					\
690 		if (!WARN(i915_modparams.verbose_state_checks, format))	\
691 			DRM_ERROR(format);				\
692 	unlikely(__ret_warn_on);					\
693 })
694 
695 #define I915_STATE_WARN_ON(x)						\
696 	I915_STATE_WARN((x), "%s", "WARN_ON(" __stringify(x) ")")
697 
698 #endif
699