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 enum link_m_n_set;
31 enum drm_scaling_filter;
32 struct dpll;
33 struct drm_connector;
34 struct drm_device;
35 struct drm_display_mode;
36 struct drm_encoder;
37 struct drm_file;
38 struct drm_format_info;
39 struct drm_framebuffer;
40 struct drm_i915_gem_object;
41 struct drm_i915_private;
42 struct drm_mode_fb_cmd2;
43 struct drm_modeset_acquire_ctx;
44 struct drm_plane;
45 struct drm_plane_state;
46 struct i915_address_space;
47 struct i915_ggtt_view;
48 struct intel_atomic_state;
49 struct intel_crtc;
50 struct intel_crtc_state;
51 struct intel_digital_port;
52 struct intel_dp;
53 struct intel_encoder;
54 struct intel_initial_plane_config;
55 struct intel_load_detect_pipe;
56 struct intel_plane;
57 struct intel_plane_state;
58 struct intel_remapped_info;
59 struct intel_rotation_info;
60 
61 enum i915_gpio {
62 	GPIOA,
63 	GPIOB,
64 	GPIOC,
65 	GPIOD,
66 	GPIOE,
67 	GPIOF,
68 	GPIOG,
69 	GPIOH,
70 	__GPIOI_UNUSED,
71 	GPIOJ,
72 	GPIOK,
73 	GPIOL,
74 	GPIOM,
75 	GPION,
76 	GPIOO,
77 };
78 
79 /*
80  * Keep the pipe enum values fixed: the code assumes that PIPE_A=0, the
81  * rest have consecutive values and match the enum values of transcoders
82  * with a 1:1 transcoder -> pipe mapping.
83  */
84 enum pipe {
85 	INVALID_PIPE = -1,
86 
87 	PIPE_A = 0,
88 	PIPE_B,
89 	PIPE_C,
90 	PIPE_D,
91 	_PIPE_EDP,
92 
93 	I915_MAX_PIPES = _PIPE_EDP
94 };
95 
96 #define pipe_name(p) ((p) + 'A')
97 
98 enum transcoder {
99 	INVALID_TRANSCODER = -1,
100 	/*
101 	 * The following transcoders have a 1:1 transcoder -> pipe mapping,
102 	 * keep their values fixed: the code assumes that TRANSCODER_A=0, the
103 	 * rest have consecutive values and match the enum values of the pipes
104 	 * they map to.
105 	 */
106 	TRANSCODER_A = PIPE_A,
107 	TRANSCODER_B = PIPE_B,
108 	TRANSCODER_C = PIPE_C,
109 	TRANSCODER_D = PIPE_D,
110 
111 	/*
112 	 * The following transcoders can map to any pipe, their enum value
113 	 * doesn't need to stay fixed.
114 	 */
115 	TRANSCODER_EDP,
116 	TRANSCODER_DSI_0,
117 	TRANSCODER_DSI_1,
118 	TRANSCODER_DSI_A = TRANSCODER_DSI_0,	/* legacy DSI */
119 	TRANSCODER_DSI_C = TRANSCODER_DSI_1,	/* legacy DSI */
120 
121 	I915_MAX_TRANSCODERS
122 };
123 
124 static inline const char *transcoder_name(enum transcoder transcoder)
125 {
126 	switch (transcoder) {
127 	case TRANSCODER_A:
128 		return "A";
129 	case TRANSCODER_B:
130 		return "B";
131 	case TRANSCODER_C:
132 		return "C";
133 	case TRANSCODER_D:
134 		return "D";
135 	case TRANSCODER_EDP:
136 		return "EDP";
137 	case TRANSCODER_DSI_A:
138 		return "DSI A";
139 	case TRANSCODER_DSI_C:
140 		return "DSI C";
141 	default:
142 		return "<invalid>";
143 	}
144 }
145 
146 static inline bool transcoder_is_dsi(enum transcoder transcoder)
147 {
148 	return transcoder == TRANSCODER_DSI_A || transcoder == TRANSCODER_DSI_C;
149 }
150 
151 /*
152  * Global legacy plane identifier. Valid only for primary/sprite
153  * planes on pre-g4x, and only for primary planes on g4x-bdw.
154  */
155 enum i9xx_plane_id {
156 	PLANE_A,
157 	PLANE_B,
158 	PLANE_C,
159 };
160 
161 #define plane_name(p) ((p) + 'A')
162 #define sprite_name(p, s) ((p) * RUNTIME_INFO(dev_priv)->num_sprites[(p)] + (s) + 'A')
163 
164 /*
165  * Per-pipe plane identifier.
166  * I915_MAX_PLANES in the enum below is the maximum (across all platforms)
167  * number of planes per CRTC.  Not all platforms really have this many planes,
168  * which means some arrays of size I915_MAX_PLANES may have unused entries
169  * between the topmost sprite plane and the cursor plane.
170  *
171  * This is expected to be passed to various register macros
172  * (eg. PLANE_CTL(), PS_PLANE_SEL(), etc.) so adjust with care.
173  */
174 enum plane_id {
175 	PLANE_PRIMARY,
176 	PLANE_SPRITE0,
177 	PLANE_SPRITE1,
178 	PLANE_SPRITE2,
179 	PLANE_SPRITE3,
180 	PLANE_SPRITE4,
181 	PLANE_SPRITE5,
182 	PLANE_CURSOR,
183 
184 	I915_MAX_PLANES,
185 };
186 
187 #define for_each_plane_id_on_crtc(__crtc, __p) \
188 	for ((__p) = PLANE_PRIMARY; (__p) < I915_MAX_PLANES; (__p)++) \
189 		for_each_if((__crtc)->plane_ids_mask & BIT(__p))
190 
191 #define for_each_dbuf_slice(__dev_priv, __slice) \
192 	for ((__slice) = DBUF_S1; (__slice) < I915_MAX_DBUF_SLICES; (__slice)++) \
193 		for_each_if(INTEL_INFO(__dev_priv)->dbuf.slice_mask & BIT(__slice))
194 
195 #define for_each_dbuf_slice_in_mask(__dev_priv, __slice, __mask) \
196 	for_each_dbuf_slice((__dev_priv), (__slice)) \
197 		for_each_if((__mask) & BIT(__slice))
198 
199 enum port {
200 	PORT_NONE = -1,
201 
202 	PORT_A = 0,
203 	PORT_B,
204 	PORT_C,
205 	PORT_D,
206 	PORT_E,
207 	PORT_F,
208 	PORT_G,
209 	PORT_H,
210 	PORT_I,
211 
212 	/* tgl+ */
213 	PORT_TC1 = PORT_D,
214 	PORT_TC2,
215 	PORT_TC3,
216 	PORT_TC4,
217 	PORT_TC5,
218 	PORT_TC6,
219 
220 	/* XE_LPD repositions D/E offsets and bitfields */
221 	PORT_D_XELPD = PORT_TC5,
222 	PORT_E_XELPD,
223 
224 	I915_MAX_PORTS
225 };
226 
227 #define port_name(p) ((p) + 'A')
228 
229 /*
230  * Ports identifier referenced from other drivers.
231  * Expected to remain stable over time
232  */
233 static inline const char *port_identifier(enum port port)
234 {
235 	switch (port) {
236 	case PORT_A:
237 		return "Port A";
238 	case PORT_B:
239 		return "Port B";
240 	case PORT_C:
241 		return "Port C";
242 	case PORT_D:
243 		return "Port D";
244 	case PORT_E:
245 		return "Port E";
246 	case PORT_F:
247 		return "Port F";
248 	case PORT_G:
249 		return "Port G";
250 	case PORT_H:
251 		return "Port H";
252 	case PORT_I:
253 		return "Port I";
254 	default:
255 		return "<invalid>";
256 	}
257 }
258 
259 enum tc_port {
260 	TC_PORT_NONE = -1,
261 
262 	TC_PORT_1 = 0,
263 	TC_PORT_2,
264 	TC_PORT_3,
265 	TC_PORT_4,
266 	TC_PORT_5,
267 	TC_PORT_6,
268 
269 	I915_MAX_TC_PORTS
270 };
271 
272 enum tc_port_mode {
273 	TC_PORT_TBT_ALT,
274 	TC_PORT_DP_ALT,
275 	TC_PORT_LEGACY,
276 };
277 
278 enum dpio_channel {
279 	DPIO_CH0,
280 	DPIO_CH1
281 };
282 
283 enum dpio_phy {
284 	DPIO_PHY0,
285 	DPIO_PHY1,
286 	DPIO_PHY2,
287 };
288 
289 enum aux_ch {
290 	AUX_CH_A,
291 	AUX_CH_B,
292 	AUX_CH_C,
293 	AUX_CH_D,
294 	AUX_CH_E, /* ICL+ */
295 	AUX_CH_F,
296 	AUX_CH_G,
297 	AUX_CH_H,
298 	AUX_CH_I,
299 
300 	/* tgl+ */
301 	AUX_CH_USBC1 = AUX_CH_D,
302 	AUX_CH_USBC2,
303 	AUX_CH_USBC3,
304 	AUX_CH_USBC4,
305 	AUX_CH_USBC5,
306 	AUX_CH_USBC6,
307 
308 	/* XE_LPD repositions D/E offsets and bitfields */
309 	AUX_CH_D_XELPD = AUX_CH_USBC5,
310 	AUX_CH_E_XELPD,
311 };
312 
313 #define aux_ch_name(a) ((a) + 'A')
314 
315 /* Used by dp and fdi links */
316 struct intel_link_m_n {
317 	u32 tu;
318 	u32 gmch_m;
319 	u32 gmch_n;
320 	u32 link_m;
321 	u32 link_n;
322 };
323 
324 enum phy {
325 	PHY_NONE = -1,
326 
327 	PHY_A = 0,
328 	PHY_B,
329 	PHY_C,
330 	PHY_D,
331 	PHY_E,
332 	PHY_F,
333 	PHY_G,
334 	PHY_H,
335 	PHY_I,
336 
337 	I915_MAX_PHYS
338 };
339 
340 #define phy_name(a) ((a) + 'A')
341 
342 enum phy_fia {
343 	FIA1,
344 	FIA2,
345 	FIA3,
346 };
347 
348 #define for_each_pipe(__dev_priv, __p) \
349 	for ((__p) = 0; (__p) < I915_MAX_PIPES; (__p)++) \
350 		for_each_if(INTEL_INFO(__dev_priv)->pipe_mask & BIT(__p))
351 
352 #define for_each_pipe_masked(__dev_priv, __p, __mask) \
353 	for_each_pipe(__dev_priv, __p) \
354 		for_each_if((__mask) & BIT(__p))
355 
356 #define for_each_cpu_transcoder(__dev_priv, __t) \
357 	for ((__t) = 0; (__t) < I915_MAX_TRANSCODERS; (__t)++)	\
358 		for_each_if (INTEL_INFO(__dev_priv)->cpu_transcoder_mask & BIT(__t))
359 
360 #define for_each_cpu_transcoder_masked(__dev_priv, __t, __mask) \
361 	for_each_cpu_transcoder(__dev_priv, __t) \
362 		for_each_if ((__mask) & BIT(__t))
363 
364 #define for_each_sprite(__dev_priv, __p, __s)				\
365 	for ((__s) = 0;							\
366 	     (__s) < RUNTIME_INFO(__dev_priv)->num_sprites[(__p)];	\
367 	     (__s)++)
368 
369 #define for_each_port(__port) \
370 	for ((__port) = PORT_A; (__port) < I915_MAX_PORTS; (__port)++)
371 
372 #define for_each_port_masked(__port, __ports_mask)			\
373 	for_each_port(__port)						\
374 		for_each_if((__ports_mask) & BIT(__port))
375 
376 #define for_each_phy_masked(__phy, __phys_mask) \
377 	for ((__phy) = PHY_A; (__phy) < I915_MAX_PHYS; (__phy)++)	\
378 		for_each_if((__phys_mask) & BIT(__phy))
379 
380 #define for_each_crtc(dev, crtc) \
381 	list_for_each_entry(crtc, &(dev)->mode_config.crtc_list, head)
382 
383 #define for_each_intel_plane(dev, intel_plane) \
384 	list_for_each_entry(intel_plane,			\
385 			    &(dev)->mode_config.plane_list,	\
386 			    base.head)
387 
388 #define for_each_intel_plane_mask(dev, intel_plane, plane_mask)		\
389 	list_for_each_entry(intel_plane,				\
390 			    &(dev)->mode_config.plane_list,		\
391 			    base.head)					\
392 		for_each_if((plane_mask) &				\
393 			    drm_plane_mask(&intel_plane->base))
394 
395 #define for_each_intel_plane_on_crtc(dev, intel_crtc, intel_plane)	\
396 	list_for_each_entry(intel_plane,				\
397 			    &(dev)->mode_config.plane_list,		\
398 			    base.head)					\
399 		for_each_if((intel_plane)->pipe == (intel_crtc)->pipe)
400 
401 #define for_each_intel_crtc(dev, intel_crtc)				\
402 	list_for_each_entry(intel_crtc,					\
403 			    &(dev)->mode_config.crtc_list,		\
404 			    base.head)
405 
406 #define for_each_intel_crtc_mask(dev, intel_crtc, crtc_mask)		\
407 	list_for_each_entry(intel_crtc,					\
408 			    &(dev)->mode_config.crtc_list,		\
409 			    base.head)					\
410 		for_each_if((crtc_mask) & drm_crtc_mask(&intel_crtc->base))
411 
412 #define for_each_intel_encoder(dev, intel_encoder)		\
413 	list_for_each_entry(intel_encoder,			\
414 			    &(dev)->mode_config.encoder_list,	\
415 			    base.head)
416 
417 #define for_each_intel_encoder_mask(dev, intel_encoder, encoder_mask)	\
418 	list_for_each_entry(intel_encoder,				\
419 			    &(dev)->mode_config.encoder_list,		\
420 			    base.head)					\
421 		for_each_if((encoder_mask) &				\
422 			    drm_encoder_mask(&intel_encoder->base))
423 
424 #define for_each_intel_encoder_mask_with_psr(dev, intel_encoder, encoder_mask) \
425 	list_for_each_entry((intel_encoder), &(dev)->mode_config.encoder_list, base.head) \
426 		for_each_if(((encoder_mask) & drm_encoder_mask(&(intel_encoder)->base)) && \
427 			    intel_encoder_can_psr(intel_encoder))
428 
429 #define for_each_intel_dp(dev, intel_encoder)			\
430 	for_each_intel_encoder(dev, intel_encoder)		\
431 		for_each_if(intel_encoder_is_dp(intel_encoder))
432 
433 #define for_each_intel_encoder_with_psr(dev, intel_encoder) \
434 	for_each_intel_encoder((dev), (intel_encoder)) \
435 		for_each_if(intel_encoder_can_psr(intel_encoder))
436 
437 #define for_each_intel_connector_iter(intel_connector, iter) \
438 	while ((intel_connector = to_intel_connector(drm_connector_list_iter_next(iter))))
439 
440 #define for_each_encoder_on_crtc(dev, __crtc, intel_encoder) \
441 	list_for_each_entry((intel_encoder), &(dev)->mode_config.encoder_list, base.head) \
442 		for_each_if((intel_encoder)->base.crtc == (__crtc))
443 
444 #define for_each_connector_on_encoder(dev, __encoder, intel_connector) \
445 	list_for_each_entry((intel_connector), &(dev)->mode_config.connector_list, base.head) \
446 		for_each_if((intel_connector)->base.encoder == (__encoder))
447 
448 #define for_each_old_intel_plane_in_state(__state, plane, old_plane_state, __i) \
449 	for ((__i) = 0; \
450 	     (__i) < (__state)->base.dev->mode_config.num_total_plane && \
451 		     ((plane) = to_intel_plane((__state)->base.planes[__i].ptr), \
452 		      (old_plane_state) = to_intel_plane_state((__state)->base.planes[__i].old_state), 1); \
453 	     (__i)++) \
454 		for_each_if(plane)
455 
456 #define for_each_new_intel_plane_in_state(__state, plane, new_plane_state, __i) \
457 	for ((__i) = 0; \
458 	     (__i) < (__state)->base.dev->mode_config.num_total_plane && \
459 		     ((plane) = to_intel_plane((__state)->base.planes[__i].ptr), \
460 		      (new_plane_state) = to_intel_plane_state((__state)->base.planes[__i].new_state), 1); \
461 	     (__i)++) \
462 		for_each_if(plane)
463 
464 #define for_each_new_intel_crtc_in_state(__state, crtc, new_crtc_state, __i) \
465 	for ((__i) = 0; \
466 	     (__i) < (__state)->base.dev->mode_config.num_crtc && \
467 		     ((crtc) = to_intel_crtc((__state)->base.crtcs[__i].ptr), \
468 		      (new_crtc_state) = to_intel_crtc_state((__state)->base.crtcs[__i].new_state), 1); \
469 	     (__i)++) \
470 		for_each_if(crtc)
471 
472 #define for_each_oldnew_intel_plane_in_state(__state, plane, old_plane_state, new_plane_state, __i) \
473 	for ((__i) = 0; \
474 	     (__i) < (__state)->base.dev->mode_config.num_total_plane && \
475 		     ((plane) = to_intel_plane((__state)->base.planes[__i].ptr), \
476 		      (old_plane_state) = to_intel_plane_state((__state)->base.planes[__i].old_state), \
477 		      (new_plane_state) = to_intel_plane_state((__state)->base.planes[__i].new_state), 1); \
478 	     (__i)++) \
479 		for_each_if(plane)
480 
481 #define for_each_oldnew_intel_crtc_in_state(__state, crtc, old_crtc_state, new_crtc_state, __i) \
482 	for ((__i) = 0; \
483 	     (__i) < (__state)->base.dev->mode_config.num_crtc && \
484 		     ((crtc) = to_intel_crtc((__state)->base.crtcs[__i].ptr), \
485 		      (old_crtc_state) = to_intel_crtc_state((__state)->base.crtcs[__i].old_state), \
486 		      (new_crtc_state) = to_intel_crtc_state((__state)->base.crtcs[__i].new_state), 1); \
487 	     (__i)++) \
488 		for_each_if(crtc)
489 
490 #define for_each_oldnew_intel_crtc_in_state_reverse(__state, crtc, old_crtc_state, new_crtc_state, __i) \
491 	for ((__i) = (__state)->base.dev->mode_config.num_crtc - 1; \
492 	     (__i) >= 0  && \
493 	     ((crtc) = to_intel_crtc((__state)->base.crtcs[__i].ptr), \
494 	      (old_crtc_state) = to_intel_crtc_state((__state)->base.crtcs[__i].old_state), \
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 intel_atomic_crtc_state_for_each_plane_state( \
500 		  plane, plane_state, \
501 		  crtc_state) \
502 	for_each_intel_plane_mask(((crtc_state)->uapi.state->dev), (plane), \
503 				((crtc_state)->uapi.plane_mask)) \
504 		for_each_if ((plane_state = \
505 			      to_intel_plane_state(__drm_atomic_get_current_plane_state((crtc_state)->uapi.state, &plane->base))))
506 
507 #define for_each_new_intel_connector_in_state(__state, connector, new_connector_state, __i) \
508 	for ((__i) = 0; \
509 	     (__i) < (__state)->base.num_connector; \
510 	     (__i)++) \
511 		for_each_if ((__state)->base.connectors[__i].ptr && \
512 			     ((connector) = to_intel_connector((__state)->base.connectors[__i].ptr), \
513 			     (new_connector_state) = to_intel_digital_connector_state((__state)->base.connectors[__i].new_state), 1))
514 
515 int intel_atomic_add_affected_planes(struct intel_atomic_state *state,
516 				     struct intel_crtc *crtc);
517 u8 intel_calc_active_pipes(struct intel_atomic_state *state,
518 			   u8 active_pipes);
519 void intel_link_compute_m_n(u16 bpp, int nlanes,
520 			    int pixel_clock, int link_clock,
521 			    struct intel_link_m_n *m_n,
522 			    bool constant_n, bool fec_enable);
523 void lpt_disable_clkout_dp(struct drm_i915_private *dev_priv);
524 u32 intel_plane_fb_max_stride(struct drm_i915_private *dev_priv,
525 			      u32 pixel_format, u64 modifier);
526 enum drm_mode_status
527 intel_mode_valid_max_plane_size(struct drm_i915_private *dev_priv,
528 				const struct drm_display_mode *mode,
529 				bool bigjoiner);
530 enum phy intel_port_to_phy(struct drm_i915_private *i915, enum port port);
531 bool is_trans_port_sync_mode(const struct intel_crtc_state *state);
532 
533 void intel_plane_destroy(struct drm_plane *plane);
534 void intel_enable_pipe(const struct intel_crtc_state *new_crtc_state);
535 void intel_disable_pipe(const struct intel_crtc_state *old_crtc_state);
536 void i830_enable_pipe(struct drm_i915_private *dev_priv, enum pipe pipe);
537 void i830_disable_pipe(struct drm_i915_private *dev_priv, enum pipe pipe);
538 enum pipe intel_crtc_pch_transcoder(struct intel_crtc *crtc);
539 int vlv_get_hpll_vco(struct drm_i915_private *dev_priv);
540 int vlv_get_cck_clock(struct drm_i915_private *dev_priv,
541 		      const char *name, u32 reg, int ref_freq);
542 int vlv_get_cck_clock_hpll(struct drm_i915_private *dev_priv,
543 			   const char *name, u32 reg);
544 void lpt_pch_enable(const struct intel_crtc_state *crtc_state);
545 void lpt_disable_pch_transcoder(struct drm_i915_private *dev_priv);
546 void lpt_disable_iclkip(struct drm_i915_private *dev_priv);
547 void intel_init_display_hooks(struct drm_i915_private *dev_priv);
548 unsigned int intel_fb_xy_to_linear(int x, int y,
549 				   const struct intel_plane_state *state,
550 				   int plane);
551 unsigned int intel_fb_align_height(const struct drm_framebuffer *fb,
552 				   int color_plane, unsigned int height);
553 void intel_add_fb_offsets(int *x, int *y,
554 			  const struct intel_plane_state *state, int plane);
555 unsigned int intel_rotation_info_size(const struct intel_rotation_info *rot_info);
556 unsigned int intel_remapped_info_size(const struct intel_remapped_info *rem_info);
557 bool intel_has_pending_fb_unpin(struct drm_i915_private *dev_priv);
558 int intel_display_suspend(struct drm_device *dev);
559 void intel_encoder_destroy(struct drm_encoder *encoder);
560 struct drm_display_mode *
561 intel_encoder_current_mode(struct intel_encoder *encoder);
562 bool intel_phy_is_combo(struct drm_i915_private *dev_priv, enum phy phy);
563 bool intel_phy_is_tc(struct drm_i915_private *dev_priv, enum phy phy);
564 bool intel_phy_is_snps(struct drm_i915_private *dev_priv, enum phy phy);
565 enum tc_port intel_port_to_tc(struct drm_i915_private *dev_priv,
566 			      enum port port);
567 int intel_get_pipe_from_crtc_id_ioctl(struct drm_device *dev, void *data,
568 				      struct drm_file *file_priv);
569 
570 int ilk_get_lanes_required(int target_clock, int link_bw, int bpp);
571 void vlv_wait_port_ready(struct drm_i915_private *dev_priv,
572 			 struct intel_digital_port *dig_port,
573 			 unsigned int expected_mask);
574 int intel_get_load_detect_pipe(struct drm_connector *connector,
575 			       struct intel_load_detect_pipe *old,
576 			       struct drm_modeset_acquire_ctx *ctx);
577 void intel_release_load_detect_pipe(struct drm_connector *connector,
578 				    struct intel_load_detect_pipe *old,
579 				    struct drm_modeset_acquire_ctx *ctx);
580 struct i915_vma *
581 intel_pin_and_fence_fb_obj(struct drm_framebuffer *fb, bool phys_cursor,
582 			   const struct i915_ggtt_view *view,
583 			   bool uses_fence,
584 			   unsigned long *out_flags);
585 void intel_unpin_fb_vma(struct i915_vma *vma, unsigned long flags);
586 struct drm_framebuffer *
587 intel_framebuffer_create(struct drm_i915_gem_object *obj,
588 			 struct drm_mode_fb_cmd2 *mode_cmd);
589 int intel_prepare_plane_fb(struct drm_plane *plane,
590 			   struct drm_plane_state *new_state);
591 void intel_cleanup_plane_fb(struct drm_plane *plane,
592 			    struct drm_plane_state *old_state);
593 
594 void assert_pch_transcoder_disabled(struct drm_i915_private *dev_priv,
595 				    enum pipe pipe);
596 
597 int lpt_get_iclkip(struct drm_i915_private *dev_priv);
598 bool intel_fuzzy_clock_check(int clock1, int clock2);
599 
600 void intel_display_prepare_reset(struct drm_i915_private *dev_priv);
601 void intel_display_finish_reset(struct drm_i915_private *dev_priv);
602 void intel_dp_get_m_n(struct intel_crtc *crtc,
603 		      struct intel_crtc_state *pipe_config);
604 void intel_dp_set_m_n(const struct intel_crtc_state *crtc_state,
605 		      enum link_m_n_set m_n);
606 int intel_dotclock_calculate(int link_freq, const struct intel_link_m_n *m_n);
607 
608 bool hsw_crtc_state_ips_capable(const struct intel_crtc_state *crtc_state);
609 void hsw_enable_ips(const struct intel_crtc_state *crtc_state);
610 void hsw_disable_ips(const struct intel_crtc_state *crtc_state);
611 enum intel_display_power_domain intel_port_to_power_domain(enum port port);
612 enum intel_display_power_domain
613 intel_aux_power_domain(struct intel_digital_port *dig_port);
614 enum intel_display_power_domain
615 intel_legacy_aux_to_power_domain(enum aux_ch aux_ch);
616 void intel_crtc_arm_fifo_underrun(struct intel_crtc *crtc,
617 				  struct intel_crtc_state *crtc_state);
618 void ilk_pfit_disable(const struct intel_crtc_state *old_crtc_state);
619 
620 int bdw_get_pipemisc_bpp(struct intel_crtc *crtc);
621 unsigned int intel_plane_fence_y_offset(const struct intel_plane_state *plane_state);
622 
623 bool
624 intel_format_info_is_yuv_semiplanar(const struct drm_format_info *info,
625 				    u64 modifier);
626 
627 int intel_plane_pin_fb(struct intel_plane_state *plane_state);
628 void intel_plane_unpin_fb(struct intel_plane_state *old_plane_state);
629 struct intel_encoder *
630 intel_get_crtc_new_encoder(const struct intel_atomic_state *state,
631 			   const struct intel_crtc_state *crtc_state);
632 
633 unsigned int intel_surf_alignment(const struct drm_framebuffer *fb,
634 				  int color_plane);
635 unsigned int intel_tile_width_bytes(const struct drm_framebuffer *fb, int color_plane);
636 
637 void intel_display_driver_register(struct drm_i915_private *i915);
638 void intel_display_driver_unregister(struct drm_i915_private *i915);
639 
640 /* modesetting */
641 void intel_modeset_init_hw(struct drm_i915_private *i915);
642 int intel_modeset_init_noirq(struct drm_i915_private *i915);
643 int intel_modeset_init_nogem(struct drm_i915_private *i915);
644 int intel_modeset_init(struct drm_i915_private *i915);
645 void intel_modeset_driver_remove(struct drm_i915_private *i915);
646 void intel_modeset_driver_remove_noirq(struct drm_i915_private *i915);
647 void intel_modeset_driver_remove_nogem(struct drm_i915_private *i915);
648 void intel_display_resume(struct drm_device *dev);
649 void intel_init_pch_refclk(struct drm_i915_private *dev_priv);
650 int intel_modeset_all_pipes(struct intel_atomic_state *state);
651 
652 /* modesetting asserts */
653 void assert_panel_unlocked(struct drm_i915_private *dev_priv,
654 			   enum pipe pipe);
655 void assert_pll(struct drm_i915_private *dev_priv,
656 		enum pipe pipe, bool state);
657 #define assert_pll_enabled(d, p) assert_pll(d, p, true)
658 #define assert_pll_disabled(d, p) assert_pll(d, p, false)
659 void assert_dsi_pll(struct drm_i915_private *dev_priv, bool state);
660 #define assert_dsi_pll_enabled(d) assert_dsi_pll(d, true)
661 #define assert_dsi_pll_disabled(d) assert_dsi_pll(d, false)
662 void assert_fdi_rx_pll(struct drm_i915_private *dev_priv,
663 		       enum pipe pipe, bool state);
664 #define assert_fdi_rx_pll_enabled(d, p) assert_fdi_rx_pll(d, p, true)
665 #define assert_fdi_rx_pll_disabled(d, p) assert_fdi_rx_pll(d, p, false)
666 void assert_pipe(struct drm_i915_private *dev_priv,
667 		 enum transcoder cpu_transcoder, bool state);
668 #define assert_pipe_enabled(d, t) assert_pipe(d, t, true)
669 #define assert_pipe_disabled(d, t) assert_pipe(d, t, false)
670 
671 /* Use I915_STATE_WARN(x) and I915_STATE_WARN_ON() (rather than WARN() and
672  * WARN_ON()) for hw state sanity checks to check for unexpected conditions
673  * which may not necessarily be a user visible problem.  This will either
674  * WARN() or DRM_ERROR() depending on the verbose_checks moduleparam, to
675  * enable distros and users to tailor their preferred amount of i915 abrt
676  * spam.
677  */
678 #define I915_STATE_WARN(condition, format...) ({			\
679 	int __ret_warn_on = !!(condition);				\
680 	if (unlikely(__ret_warn_on))					\
681 		if (!WARN(i915_modparams.verbose_state_checks, format))	\
682 			DRM_ERROR(format);				\
683 	unlikely(__ret_warn_on);					\
684 })
685 
686 #define I915_STATE_WARN_ON(x)						\
687 	I915_STATE_WARN((x), "%s", "WARN_ON(" __stringify(x) ")")
688 
689 #endif
690