xref: /linux/drivers/gpu/drm/amd/display/dc/dc_stream.h (revision bdd1a21b52557ea8f61d0a5dc2f77151b576eb70)
1 /*
2  * Copyright 2012-14 Advanced Micro Devices, Inc.
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 shall be included in
12  * all copies or substantial portions of the Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20  * OTHER DEALINGS IN THE SOFTWARE.
21  *
22  * Authors: AMD
23  *
24  */
25 
26 #ifndef DC_STREAM_H_
27 #define DC_STREAM_H_
28 
29 #include "dc_types.h"
30 #include "grph_object_defs.h"
31 
32 /*******************************************************************************
33  * Stream Interfaces
34  ******************************************************************************/
35 struct timing_sync_info {
36 	int group_id;
37 	int group_size;
38 	bool master;
39 };
40 
41 struct dc_stream_status {
42 	int primary_otg_inst;
43 	int stream_enc_inst;
44 	int plane_count;
45 	int audio_inst;
46 	struct timing_sync_info timing_sync_info;
47 	struct dc_plane_state *plane_states[MAX_SURFACE_NUM];
48 	bool is_abm_supported;
49 };
50 
51 // TODO: References to this needs to be removed..
52 struct freesync_context {
53 	bool dummy;
54 };
55 
56 enum hubp_dmdata_mode {
57 	DMDATA_SW_MODE,
58 	DMDATA_HW_MODE
59 };
60 
61 struct dc_dmdata_attributes {
62 	/* Specifies whether dynamic meta data will be updated by software
63 	 * or has to be fetched by hardware (DMA mode)
64 	 */
65 	enum hubp_dmdata_mode dmdata_mode;
66 	/* Specifies if current dynamic meta data is to be used only for the current frame */
67 	bool dmdata_repeat;
68 	/* Specifies the size of Dynamic Metadata surface in byte.  Size of 0 means no Dynamic metadata is fetched */
69 	uint32_t dmdata_size;
70 	/* Specifies if a new dynamic meta data should be fetched for an upcoming frame */
71 	bool dmdata_updated;
72 	/* If hardware mode is used, the base address where DMDATA surface is located */
73 	PHYSICAL_ADDRESS_LOC address;
74 	/* Specifies whether QOS level will be provided by TTU or it will come from DMDATA_QOS_LEVEL */
75 	bool dmdata_qos_mode;
76 	/* If qos_mode = 1, this is the QOS value to be used: */
77 	uint32_t dmdata_qos_level;
78 	/* Specifies the value in unit of REFCLK cycles to be added to the
79 	 * current time to produce the Amortized deadline for Dynamic Metadata chunk request
80 	 */
81 	uint32_t dmdata_dl_delta;
82 	/* An unbounded array of uint32s, represents software dmdata to be loaded */
83 	uint32_t *dmdata_sw_data;
84 };
85 
86 struct dc_writeback_info {
87 	bool wb_enabled;
88 	int dwb_pipe_inst;
89 	struct dc_dwb_params dwb_params;
90 	struct mcif_buf_params mcif_buf_params;
91 	struct mcif_warmup_params mcif_warmup_params;
92 	/* the plane that is the input to TOP_MUX for MPCC that is the DWB source */
93 	struct dc_plane_state *writeback_source_plane;
94 	/* source MPCC instance.  for use by internally by dc */
95 	int mpcc_inst;
96 };
97 
98 struct dc_writeback_update {
99 	unsigned int num_wb_info;
100 	struct dc_writeback_info writeback_info[MAX_DWB_PIPES];
101 };
102 
103 enum vertical_interrupt_ref_point {
104 	START_V_UPDATE = 0,
105 	START_V_SYNC,
106 	INVALID_POINT
107 
108 	//For now, only v_update interrupt is used.
109 	//START_V_BLANK,
110 	//START_V_ACTIVE
111 };
112 
113 struct periodic_interrupt_config {
114 	enum vertical_interrupt_ref_point ref_point;
115 	int lines_offset;
116 };
117 
118 union stream_update_flags {
119 	struct {
120 		uint32_t scaling:1;
121 		uint32_t out_tf:1;
122 		uint32_t out_csc:1;
123 		uint32_t abm_level:1;
124 		uint32_t dpms_off:1;
125 		uint32_t gamut_remap:1;
126 		uint32_t wb_update:1;
127 		uint32_t dsc_changed : 1;
128 	} bits;
129 
130 	uint32_t raw;
131 };
132 
133 struct test_pattern {
134 	enum dp_test_pattern type;
135 	enum dp_test_pattern_color_space color_space;
136 	struct link_training_settings const *p_link_settings;
137 	unsigned char const *p_custom_pattern;
138 	unsigned int cust_pattern_size;
139 };
140 
141 struct dc_stream_state {
142 	// sink is deprecated, new code should not reference
143 	// this pointer
144 	struct dc_sink *sink;
145 
146 	struct dc_link *link;
147 	/* For dynamic link encoder assignment, update the link encoder assigned to
148 	 * a stream via the volatile dc_state rather than the static dc_link.
149 	 */
150 	struct link_encoder *link_enc;
151 	struct dc_panel_patch sink_patches;
152 	union display_content_support content_support;
153 	struct dc_crtc_timing timing;
154 	struct dc_crtc_timing_adjust adjust;
155 	struct dc_info_packet vrr_infopacket;
156 	struct dc_info_packet vsc_infopacket;
157 	struct dc_info_packet vsp_infopacket;
158 
159 	struct rect src; /* composition area */
160 	struct rect dst; /* stream addressable area */
161 
162 	// TODO: References to this needs to be removed..
163 	struct freesync_context freesync_ctx;
164 
165 	struct audio_info audio_info;
166 
167 	struct dc_info_packet hdr_static_metadata;
168 	PHYSICAL_ADDRESS_LOC dmdata_address;
169 	bool   use_dynamic_meta;
170 
171 	struct dc_transfer_func *out_transfer_func;
172 	struct colorspace_transform gamut_remap_matrix;
173 	struct dc_csc_transform csc_color_matrix;
174 
175 	enum dc_color_space output_color_space;
176 	enum dc_dither_option dither_option;
177 
178 	enum view_3d_format view_format;
179 
180 	bool use_vsc_sdp_for_colorimetry;
181 	bool ignore_msa_timing_param;
182 
183 	bool freesync_on_desktop;
184 
185 	bool converter_disable_audio;
186 	uint8_t qs_bit;
187 	uint8_t qy_bit;
188 
189 	/* TODO: custom INFO packets */
190 	/* TODO: ABM info (DMCU) */
191 	/* TODO: CEA VIC */
192 
193 	/* DMCU info */
194 	unsigned int abm_level;
195 
196 	struct periodic_interrupt_config periodic_interrupt0;
197 	struct periodic_interrupt_config periodic_interrupt1;
198 
199 	/* from core_stream struct */
200 	struct dc_context *ctx;
201 
202 	/* used by DCP and FMT */
203 	struct bit_depth_reduction_params bit_depth_params;
204 	struct clamping_and_pixel_encoding_params clamping;
205 
206 	int phy_pix_clk;
207 	enum signal_type signal;
208 	bool dpms_off;
209 
210 	void *dm_stream_context;
211 
212 	struct dc_cursor_attributes cursor_attributes;
213 	struct dc_cursor_position cursor_position;
214 	uint32_t sdr_white_level; // for boosting (SDR) cursor in HDR mode
215 
216 	/* from stream struct */
217 	struct kref refcount;
218 
219 	struct crtc_trigger_info triggered_crtc_reset;
220 
221 	/* writeback */
222 	unsigned int num_wb_info;
223 	struct dc_writeback_info writeback_info[MAX_DWB_PIPES];
224 	const struct dc_transfer_func *func_shaper;
225 	const struct dc_3dlut *lut3d_func;
226 	/* Computed state bits */
227 	bool mode_changed : 1;
228 
229 	/* Output from DC when stream state is committed or altered
230 	 * DC may only access these values during:
231 	 * dc_commit_state, dc_commit_state_no_check, dc_commit_streams
232 	 * values may not change outside of those calls
233 	 */
234 	struct {
235 		// For interrupt management, some hardware instance
236 		// offsets need to be exposed to DM
237 		uint8_t otg_offset;
238 	} out;
239 
240 	bool apply_edp_fast_boot_optimization;
241 	bool apply_seamless_boot_optimization;
242 
243 	uint32_t stream_id;
244 
245 	struct test_pattern test_pattern;
246 	union stream_update_flags update_flags;
247 
248 	bool has_non_synchronizable_pclk;
249 	bool vblank_synchronized;
250 };
251 
252 #define ABM_LEVEL_IMMEDIATE_DISABLE 255
253 
254 struct dc_stream_update {
255 	struct dc_stream_state *stream;
256 
257 	struct rect src;
258 	struct rect dst;
259 	struct dc_transfer_func *out_transfer_func;
260 	struct dc_info_packet *hdr_static_metadata;
261 	unsigned int *abm_level;
262 
263 	struct periodic_interrupt_config *periodic_interrupt0;
264 	struct periodic_interrupt_config *periodic_interrupt1;
265 
266 	struct dc_info_packet *vrr_infopacket;
267 	struct dc_info_packet *vsc_infopacket;
268 	struct dc_info_packet *vsp_infopacket;
269 
270 	bool *dpms_off;
271 	bool integer_scaling_update;
272 
273 	struct colorspace_transform *gamut_remap;
274 	enum dc_color_space *output_color_space;
275 	enum dc_dither_option *dither_option;
276 
277 	struct dc_csc_transform *output_csc_transform;
278 
279 	struct dc_writeback_update *wb_update;
280 	struct dc_dsc_config *dsc_config;
281 	struct dc_transfer_func *func_shaper;
282 	struct dc_3dlut *lut3d_func;
283 
284 	struct test_pattern *pending_test_pattern;
285 };
286 
287 bool dc_is_stream_unchanged(
288 	struct dc_stream_state *old_stream, struct dc_stream_state *stream);
289 bool dc_is_stream_scaling_unchanged(
290 	struct dc_stream_state *old_stream, struct dc_stream_state *stream);
291 
292 /*
293  * Set up surface attributes and associate to a stream
294  * The surfaces parameter is an absolute set of all surface active for the stream.
295  * If no surfaces are provided, the stream will be blanked; no memory read.
296  * Any flip related attribute changes must be done through this interface.
297  *
298  * After this call:
299  *   Surfaces attributes are programmed and configured to be composed into stream.
300  *   This does not trigger a flip.  No surface address is programmed.
301  */
302 
303 void dc_commit_updates_for_stream(struct dc *dc,
304 		struct dc_surface_update *srf_updates,
305 		int surface_count,
306 		struct dc_stream_state *stream,
307 		struct dc_stream_update *stream_update,
308 		struct dc_state *state);
309 /*
310  * Log the current stream state.
311  */
312 void dc_stream_log(const struct dc *dc, const struct dc_stream_state *stream);
313 
314 uint8_t dc_get_current_stream_count(struct dc *dc);
315 struct dc_stream_state *dc_get_stream_at_index(struct dc *dc, uint8_t i);
316 struct dc_stream_state *dc_stream_find_from_link(const struct dc_link *link);
317 
318 /*
319  * Return the current frame counter.
320  */
321 uint32_t dc_stream_get_vblank_counter(const struct dc_stream_state *stream);
322 
323 /*
324  * Send dp sdp message.
325  */
326 bool dc_stream_send_dp_sdp(const struct dc_stream_state *stream,
327 		const uint8_t *custom_sdp_message,
328 		unsigned int sdp_message_size);
329 
330 /* TODO: Return parsed values rather than direct register read
331  * This has a dependency on the caller (amdgpu_display_get_crtc_scanoutpos)
332  * being refactored properly to be dce-specific
333  */
334 bool dc_stream_get_scanoutpos(const struct dc_stream_state *stream,
335 				  uint32_t *v_blank_start,
336 				  uint32_t *v_blank_end,
337 				  uint32_t *h_position,
338 				  uint32_t *v_position);
339 
340 enum dc_status dc_add_stream_to_ctx(
341 			struct dc *dc,
342 		struct dc_state *new_ctx,
343 		struct dc_stream_state *stream);
344 
345 enum dc_status dc_remove_stream_from_ctx(
346 		struct dc *dc,
347 			struct dc_state *new_ctx,
348 			struct dc_stream_state *stream);
349 
350 
351 bool dc_add_plane_to_context(
352 		const struct dc *dc,
353 		struct dc_stream_state *stream,
354 		struct dc_plane_state *plane_state,
355 		struct dc_state *context);
356 
357 bool dc_remove_plane_from_context(
358 		const struct dc *dc,
359 		struct dc_stream_state *stream,
360 		struct dc_plane_state *plane_state,
361 		struct dc_state *context);
362 
363 bool dc_rem_all_planes_for_stream(
364 		const struct dc *dc,
365 		struct dc_stream_state *stream,
366 		struct dc_state *context);
367 
368 bool dc_add_all_planes_for_stream(
369 		const struct dc *dc,
370 		struct dc_stream_state *stream,
371 		struct dc_plane_state * const *plane_states,
372 		int plane_count,
373 		struct dc_state *context);
374 
375 bool dc_stream_add_writeback(struct dc *dc,
376 		struct dc_stream_state *stream,
377 		struct dc_writeback_info *wb_info);
378 
379 bool dc_stream_remove_writeback(struct dc *dc,
380 		struct dc_stream_state *stream,
381 		uint32_t dwb_pipe_inst);
382 
383 enum dc_status dc_stream_add_dsc_to_resource(struct dc *dc,
384 		struct dc_state *state,
385 		struct dc_stream_state *stream);
386 
387 bool dc_stream_warmup_writeback(struct dc *dc,
388 		int num_dwb,
389 		struct dc_writeback_info *wb_info);
390 
391 bool dc_stream_dmdata_status_done(struct dc *dc, struct dc_stream_state *stream);
392 
393 bool dc_stream_set_dynamic_metadata(struct dc *dc,
394 		struct dc_stream_state *stream,
395 		struct dc_dmdata_attributes *dmdata_attr);
396 
397 enum dc_status dc_validate_stream(struct dc *dc, struct dc_stream_state *stream);
398 
399 /*
400  * Set up streams and links associated to drive sinks
401  * The streams parameter is an absolute set of all active streams.
402  *
403  * After this call:
404  *   Phy, Encoder, Timing Generator are programmed and enabled.
405  *   New streams are enabled with blank stream; no memory read.
406  */
407 /*
408  * Enable stereo when commit_streams is not required,
409  * for example, frame alternate.
410  */
411 void dc_enable_stereo(
412 	struct dc *dc,
413 	struct dc_state *context,
414 	struct dc_stream_state *streams[],
415 	uint8_t stream_count);
416 
417 /* Triggers multi-stream synchronization. */
418 void dc_trigger_sync(struct dc *dc, struct dc_state *context);
419 
420 enum surface_update_type dc_check_update_surfaces_for_stream(
421 		struct dc *dc,
422 		struct dc_surface_update *updates,
423 		int surface_count,
424 		struct dc_stream_update *stream_update,
425 		const struct dc_stream_status *stream_status);
426 
427 /**
428  * Create a new default stream for the requested sink
429  */
430 struct dc_stream_state *dc_create_stream_for_sink(struct dc_sink *dc_sink);
431 
432 struct dc_stream_state *dc_copy_stream(const struct dc_stream_state *stream);
433 
434 void update_stream_signal(struct dc_stream_state *stream, struct dc_sink *sink);
435 
436 void dc_stream_retain(struct dc_stream_state *dc_stream);
437 void dc_stream_release(struct dc_stream_state *dc_stream);
438 
439 struct dc_stream_status *dc_stream_get_status_from_state(
440 	struct dc_state *state,
441 	struct dc_stream_state *stream);
442 struct dc_stream_status *dc_stream_get_status(
443 	struct dc_stream_state *dc_stream);
444 
445 #ifndef TRIM_FSFT
446 bool dc_optimize_timing_for_fsft(
447 	struct dc_stream_state *pStream,
448 	unsigned int max_input_rate_in_khz);
449 #endif
450 
451 /*******************************************************************************
452  * Cursor interfaces - To manages the cursor within a stream
453  ******************************************************************************/
454 /* TODO: Deprecated once we switch to dc_set_cursor_position */
455 bool dc_stream_set_cursor_attributes(
456 	struct dc_stream_state *stream,
457 	const struct dc_cursor_attributes *attributes);
458 
459 bool dc_stream_set_cursor_position(
460 	struct dc_stream_state *stream,
461 	const struct dc_cursor_position *position);
462 
463 
464 bool dc_stream_adjust_vmin_vmax(struct dc *dc,
465 				struct dc_stream_state *stream,
466 				struct dc_crtc_timing_adjust *adjust);
467 
468 bool dc_stream_get_last_used_drr_vtotal(struct dc *dc,
469 		struct dc_stream_state *stream,
470 		uint32_t *refresh_rate);
471 
472 bool dc_stream_get_crtc_position(struct dc *dc,
473 				 struct dc_stream_state **stream,
474 				 int num_streams,
475 				 unsigned int *v_pos,
476 				 unsigned int *nom_v_pos);
477 
478 #if defined(CONFIG_DRM_AMD_SECURE_DISPLAY)
479 bool dc_stream_forward_dmcu_crc_window(struct dc *dc, struct dc_stream_state *stream,
480 			     struct crc_params *crc_window);
481 bool dc_stream_stop_dmcu_crc_win_update(struct dc *dc,
482 				 struct dc_stream_state *stream);
483 #endif
484 
485 bool dc_stream_configure_crc(struct dc *dc,
486 			     struct dc_stream_state *stream,
487 			     struct crc_params *crc_window,
488 			     bool enable,
489 			     bool continuous);
490 
491 bool dc_stream_get_crc(struct dc *dc,
492 		       struct dc_stream_state *stream,
493 		       uint32_t *r_cr,
494 		       uint32_t *g_y,
495 		       uint32_t *b_cb);
496 
497 void dc_stream_set_static_screen_params(struct dc *dc,
498 					struct dc_stream_state **stream,
499 					int num_streams,
500 					const struct dc_static_screen_params *params);
501 
502 void dc_stream_set_dyn_expansion(struct dc *dc, struct dc_stream_state *stream,
503 		enum dc_dynamic_expansion option);
504 
505 void dc_stream_set_dither_option(struct dc_stream_state *stream,
506 				 enum dc_dither_option option);
507 
508 bool dc_stream_set_gamut_remap(struct dc *dc,
509 			       const struct dc_stream_state *stream);
510 
511 bool dc_stream_program_csc_matrix(struct dc *dc,
512 				  struct dc_stream_state *stream);
513 
514 bool dc_stream_get_crtc_position(struct dc *dc,
515 				 struct dc_stream_state **stream,
516 				 int num_streams,
517 				 unsigned int *v_pos,
518 				 unsigned int *nom_v_pos);
519 
520 #endif /* DC_STREAM_H_ */
521