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 mall_stream_config {
42 	/* MALL stream config to indicate if the stream is phantom or not.
43 	 * We will use a phantom stream to indicate that the pipe is phantom.
44 	 */
45 	enum mall_stream_type type;
46 	struct dc_stream_state *paired_stream;	// master / slave stream
47 };
48 
49 struct dc_stream_status {
50 	int primary_otg_inst;
51 	int stream_enc_inst;
52 
53 	/**
54 	 * @plane_count: Total of planes attached to a single stream
55 	 */
56 	int plane_count;
57 	int audio_inst;
58 	struct timing_sync_info timing_sync_info;
59 	struct dc_plane_state *plane_states[MAX_SURFACE_NUM];
60 	bool is_abm_supported;
61 	struct mall_stream_config mall_stream_config;
62 	bool fpo_in_use;
63 };
64 
65 enum hubp_dmdata_mode {
66 	DMDATA_SW_MODE,
67 	DMDATA_HW_MODE
68 };
69 
70 struct dc_dmdata_attributes {
71 	/* Specifies whether dynamic meta data will be updated by software
72 	 * or has to be fetched by hardware (DMA mode)
73 	 */
74 	enum hubp_dmdata_mode dmdata_mode;
75 	/* Specifies if current dynamic meta data is to be used only for the current frame */
76 	bool dmdata_repeat;
77 	/* Specifies the size of Dynamic Metadata surface in byte.  Size of 0 means no Dynamic metadata is fetched */
78 	uint32_t dmdata_size;
79 	/* Specifies if a new dynamic meta data should be fetched for an upcoming frame */
80 	bool dmdata_updated;
81 	/* If hardware mode is used, the base address where DMDATA surface is located */
82 	PHYSICAL_ADDRESS_LOC address;
83 	/* Specifies whether QOS level will be provided by TTU or it will come from DMDATA_QOS_LEVEL */
84 	bool dmdata_qos_mode;
85 	/* If qos_mode = 1, this is the QOS value to be used: */
86 	uint32_t dmdata_qos_level;
87 	/* Specifies the value in unit of REFCLK cycles to be added to the
88 	 * current time to produce the Amortized deadline for Dynamic Metadata chunk request
89 	 */
90 	uint32_t dmdata_dl_delta;
91 	/* An unbounded array of uint32s, represents software dmdata to be loaded */
92 	uint32_t *dmdata_sw_data;
93 };
94 
95 struct dc_writeback_info {
96 	bool wb_enabled;
97 	int dwb_pipe_inst;
98 	struct dc_dwb_params dwb_params;
99 	struct mcif_buf_params mcif_buf_params;
100 	struct mcif_warmup_params mcif_warmup_params;
101 	/* the plane that is the input to TOP_MUX for MPCC that is the DWB source */
102 	struct dc_plane_state *writeback_source_plane;
103 	/* source MPCC instance.  for use by internally by dc */
104 	int mpcc_inst;
105 };
106 
107 struct dc_writeback_update {
108 	unsigned int num_wb_info;
109 	struct dc_writeback_info writeback_info[MAX_DWB_PIPES];
110 };
111 
112 enum vertical_interrupt_ref_point {
113 	START_V_UPDATE = 0,
114 	START_V_SYNC,
115 	INVALID_POINT
116 
117 	//For now, only v_update interrupt is used.
118 	//START_V_BLANK,
119 	//START_V_ACTIVE
120 };
121 
122 struct periodic_interrupt_config {
123 	enum vertical_interrupt_ref_point ref_point;
124 	int lines_offset;
125 };
126 
127 struct dc_mst_stream_bw_update {
128 	bool is_increase; // is bandwidth reduced or increased
129 	uint32_t mst_stream_bw; // new mst bandwidth in kbps
130 };
131 
132 union stream_update_flags {
133 	struct {
134 		uint32_t scaling:1;
135 		uint32_t out_tf:1;
136 		uint32_t out_csc:1;
137 		uint32_t abm_level:1;
138 		uint32_t dpms_off:1;
139 		uint32_t gamut_remap:1;
140 		uint32_t wb_update:1;
141 		uint32_t dsc_changed : 1;
142 		uint32_t mst_bw : 1;
143 		uint32_t crtc_timing_adjust : 1;
144 		uint32_t fams_changed : 1;
145 		uint32_t scaler_sharpener : 1;
146 	} bits;
147 
148 	uint32_t raw;
149 };
150 
151 struct test_pattern {
152 	enum dp_test_pattern type;
153 	enum dp_test_pattern_color_space color_space;
154 	struct link_training_settings const *p_link_settings;
155 	unsigned char const *p_custom_pattern;
156 	unsigned int cust_pattern_size;
157 };
158 
159 #define SUBVP_DRR_MARGIN_US 100 // 100us for DRR margin (SubVP + DRR)
160 
161 struct dc_stream_debug_options {
162 	char force_odm_combine_segments;
163 	/*
164 	 * When force_odm_combine_segments is non zero, allow dc to
165 	 * temporarily transition to ODM bypass when minimal transition state
166 	 * is required to prevent visual glitches showing on the screen
167 	 */
168 	char allow_transition_for_forced_odm;
169 };
170 
171 #define LUMINANCE_DATA_TABLE_SIZE 10
172 
173 struct luminance_data {
174 	bool is_valid;
175 	int refresh_rate_hz[LUMINANCE_DATA_TABLE_SIZE];
176 	int luminance_millinits[LUMINANCE_DATA_TABLE_SIZE];
177 	int flicker_criteria_milli_nits_GAMING;
178 	int flicker_criteria_milli_nits_STATIC;
179 	int nominal_refresh_rate;
180 	int dm_max_decrease_from_nominal;
181 };
182 
183 struct dc_stream_state {
184 	// sink is deprecated, new code should not reference
185 	// this pointer
186 	struct dc_sink *sink;
187 
188 	struct dc_link *link;
189 	/* For dynamic link encoder assignment, update the link encoder assigned to
190 	 * a stream via the volatile dc_state rather than the static dc_link.
191 	 */
192 	struct link_encoder *link_enc;
193 	struct dc_stream_debug_options debug;
194 	struct dc_panel_patch sink_patches;
195 	struct dc_crtc_timing timing;
196 	struct dc_crtc_timing_adjust adjust;
197 	struct dc_info_packet vrr_infopacket;
198 	struct dc_info_packet vsc_infopacket;
199 	struct dc_info_packet vsp_infopacket;
200 	struct dc_info_packet hfvsif_infopacket;
201 	struct dc_info_packet vtem_infopacket;
202 	struct dc_info_packet adaptive_sync_infopacket;
203 	uint8_t dsc_packed_pps[128];
204 	struct rect src; /* composition area */
205 	struct rect dst; /* stream addressable area */
206 
207 	struct audio_info audio_info;
208 
209 	struct dc_info_packet hdr_static_metadata;
210 	PHYSICAL_ADDRESS_LOC dmdata_address;
211 	bool   use_dynamic_meta;
212 
213 	struct dc_transfer_func out_transfer_func;
214 	struct colorspace_transform gamut_remap_matrix;
215 	struct dc_csc_transform csc_color_matrix;
216 
217 	enum dc_color_space output_color_space;
218 	enum display_content_type content_type;
219 	enum dc_dither_option dither_option;
220 
221 	enum view_3d_format view_format;
222 
223 	bool use_vsc_sdp_for_colorimetry;
224 	bool ignore_msa_timing_param;
225 
226 	/**
227 	 * @allow_freesync:
228 	 *
229 	 * It say if Freesync is enabled or not.
230 	 */
231 	bool allow_freesync;
232 
233 	/**
234 	 * @vrr_active_variable:
235 	 *
236 	 * It describes if VRR is in use.
237 	 */
238 	bool vrr_active_variable;
239 	bool freesync_on_desktop;
240 	bool vrr_active_fixed;
241 
242 	bool converter_disable_audio;
243 	uint8_t qs_bit;
244 	uint8_t qy_bit;
245 
246 	/* TODO: custom INFO packets */
247 	/* TODO: ABM info (DMCU) */
248 	/* TODO: CEA VIC */
249 
250 	/* DMCU info */
251 	unsigned int abm_level;
252 
253 	struct periodic_interrupt_config periodic_interrupt;
254 
255 	/* from core_stream struct */
256 	struct dc_context *ctx;
257 
258 	/* used by DCP and FMT */
259 	struct bit_depth_reduction_params bit_depth_params;
260 	struct clamping_and_pixel_encoding_params clamping;
261 
262 	int phy_pix_clk;
263 	enum signal_type signal;
264 	bool dpms_off;
265 
266 	void *dm_stream_context;
267 
268 	struct dc_cursor_attributes cursor_attributes;
269 	struct dc_cursor_position cursor_position;
270 	bool hw_cursor_req;
271 
272 	uint32_t sdr_white_level; // for boosting (SDR) cursor in HDR mode
273 
274 	/* from stream struct */
275 	struct kref refcount;
276 
277 	struct crtc_trigger_info triggered_crtc_reset;
278 
279 	/* writeback */
280 	unsigned int num_wb_info;
281 	struct dc_writeback_info writeback_info[MAX_DWB_PIPES];
282 	const struct dc_transfer_func *func_shaper;
283 	const struct dc_3dlut *lut3d_func;
284 	/* Computed state bits */
285 	bool mode_changed : 1;
286 
287 	/* Output from DC when stream state is committed or altered
288 	 * DC may only access these values during:
289 	 * dc_commit_state, dc_commit_state_no_check, dc_commit_streams
290 	 * values may not change outside of those calls
291 	 */
292 	struct {
293 		// For interrupt management, some hardware instance
294 		// offsets need to be exposed to DM
295 		uint8_t otg_offset;
296 	} out;
297 
298 	bool apply_edp_fast_boot_optimization;
299 	bool apply_seamless_boot_optimization;
300 	uint32_t apply_boot_odm_mode;
301 
302 	uint32_t stream_id;
303 
304 	struct test_pattern test_pattern;
305 	union stream_update_flags update_flags;
306 
307 	bool has_non_synchronizable_pclk;
308 	bool vblank_synchronized;
309 	bool is_phantom;
310 
311 	struct luminance_data lumin_data;
312 	bool scaler_sharpener_update;
313 };
314 
315 #define ABM_LEVEL_IMMEDIATE_DISABLE 255
316 
317 struct dc_stream_update {
318 	struct dc_stream_state *stream;
319 
320 	struct rect src;
321 	struct rect dst;
322 	struct dc_transfer_func *out_transfer_func;
323 	struct dc_info_packet *hdr_static_metadata;
324 	unsigned int *abm_level;
325 
326 	struct periodic_interrupt_config *periodic_interrupt;
327 
328 	struct dc_info_packet *vrr_infopacket;
329 	struct dc_info_packet *vsc_infopacket;
330 	struct dc_info_packet *vsp_infopacket;
331 	struct dc_info_packet *hfvsif_infopacket;
332 	struct dc_info_packet *vtem_infopacket;
333 	struct dc_info_packet *adaptive_sync_infopacket;
334 	bool *dpms_off;
335 	bool integer_scaling_update;
336 	bool *allow_freesync;
337 	bool *vrr_active_variable;
338 	bool *vrr_active_fixed;
339 
340 	struct colorspace_transform *gamut_remap;
341 	enum dc_color_space *output_color_space;
342 	enum dc_dither_option *dither_option;
343 
344 	struct dc_csc_transform *output_csc_transform;
345 
346 	struct dc_writeback_update *wb_update;
347 	struct dc_dsc_config *dsc_config;
348 	struct dc_mst_stream_bw_update *mst_bw_update;
349 	struct dc_transfer_func *func_shaper;
350 	struct dc_3dlut *lut3d_func;
351 
352 	struct test_pattern *pending_test_pattern;
353 	struct dc_crtc_timing_adjust *crtc_timing_adjust;
354 
355 	struct dc_cursor_attributes *cursor_attributes;
356 	struct dc_cursor_position *cursor_position;
357 	bool *hw_cursor_req;
358 	bool *scaler_sharpener_update;
359 };
360 
361 bool dc_is_stream_unchanged(
362 	struct dc_stream_state *old_stream, struct dc_stream_state *stream);
363 bool dc_is_stream_scaling_unchanged(
364 	struct dc_stream_state *old_stream, struct dc_stream_state *stream);
365 
366 /*
367  * Setup stream attributes if no stream updates are provided
368  * there will be no impact on the stream parameters
369  *
370  * Set up surface attributes and associate to a stream
371  * The surfaces parameter is an absolute set of all surface active for the stream.
372  * If no surfaces are provided, the stream will be blanked; no memory read.
373  * Any flip related attribute changes must be done through this interface.
374  *
375  * After this call:
376  *   Surfaces attributes are programmed and configured to be composed into stream.
377  *   This does not trigger a flip.  No surface address is programmed.
378  *
379  */
380 bool dc_update_planes_and_stream(struct dc *dc,
381 		struct dc_surface_update *surface_updates, int surface_count,
382 		struct dc_stream_state *dc_stream,
383 		struct dc_stream_update *stream_update);
384 
385 /*
386  * Set up surface attributes and associate to a stream
387  * The surfaces parameter is an absolute set of all surface active for the stream.
388  * If no surfaces are provided, the stream will be blanked; no memory read.
389  * Any flip related attribute changes must be done through this interface.
390  *
391  * After this call:
392  *   Surfaces attributes are programmed and configured to be composed into stream.
393  *   This does not trigger a flip.  No surface address is programmed.
394  */
395 void dc_commit_updates_for_stream(struct dc *dc,
396 		struct dc_surface_update *srf_updates,
397 		int surface_count,
398 		struct dc_stream_state *stream,
399 		struct dc_stream_update *stream_update,
400 		struct dc_state *state);
401 /*
402  * Log the current stream state.
403  */
404 void dc_stream_log(const struct dc *dc, const struct dc_stream_state *stream);
405 
406 uint8_t dc_get_current_stream_count(struct dc *dc);
407 struct dc_stream_state *dc_get_stream_at_index(struct dc *dc, uint8_t i);
408 
409 /*
410  * Return the current frame counter.
411  */
412 uint32_t dc_stream_get_vblank_counter(const struct dc_stream_state *stream);
413 
414 /*
415  * Send dp sdp message.
416  */
417 bool dc_stream_send_dp_sdp(const struct dc_stream_state *stream,
418 		const uint8_t *custom_sdp_message,
419 		unsigned int sdp_message_size);
420 
421 /* TODO: Return parsed values rather than direct register read
422  * This has a dependency on the caller (amdgpu_display_get_crtc_scanoutpos)
423  * being refactored properly to be dce-specific
424  */
425 bool dc_stream_get_scanoutpos(const struct dc_stream_state *stream,
426 				  uint32_t *v_blank_start,
427 				  uint32_t *v_blank_end,
428 				  uint32_t *h_position,
429 				  uint32_t *v_position);
430 
431 bool dc_stream_add_writeback(struct dc *dc,
432 		struct dc_stream_state *stream,
433 		struct dc_writeback_info *wb_info);
434 
435 bool dc_stream_fc_disable_writeback(struct dc *dc,
436 		struct dc_stream_state *stream,
437 		uint32_t dwb_pipe_inst);
438 
439 bool dc_stream_remove_writeback(struct dc *dc,
440 		struct dc_stream_state *stream,
441 		uint32_t dwb_pipe_inst);
442 
443 enum dc_status dc_stream_add_dsc_to_resource(struct dc *dc,
444 		struct dc_state *state,
445 		struct dc_stream_state *stream);
446 
447 bool dc_stream_warmup_writeback(struct dc *dc,
448 		int num_dwb,
449 		struct dc_writeback_info *wb_info);
450 
451 bool dc_stream_dmdata_status_done(struct dc *dc, struct dc_stream_state *stream);
452 
453 bool dc_stream_set_dynamic_metadata(struct dc *dc,
454 		struct dc_stream_state *stream,
455 		struct dc_dmdata_attributes *dmdata_attr);
456 
457 enum dc_status dc_validate_stream(struct dc *dc, struct dc_stream_state *stream);
458 
459 /*
460  * Enable stereo when commit_streams is not required,
461  * for example, frame alternate.
462  */
463 void dc_enable_stereo(
464 	struct dc *dc,
465 	struct dc_state *context,
466 	struct dc_stream_state *streams[],
467 	uint8_t stream_count);
468 
469 /* Triggers multi-stream synchronization. */
470 void dc_trigger_sync(struct dc *dc, struct dc_state *context);
471 
472 enum surface_update_type dc_check_update_surfaces_for_stream(
473 		struct dc *dc,
474 		struct dc_surface_update *updates,
475 		int surface_count,
476 		struct dc_stream_update *stream_update,
477 		const struct dc_stream_status *stream_status);
478 
479 /**
480  * Create a new default stream for the requested sink
481  */
482 struct dc_stream_state *dc_create_stream_for_sink(struct dc_sink *dc_sink);
483 
484 struct dc_stream_state *dc_copy_stream(const struct dc_stream_state *stream);
485 
486 void update_stream_signal(struct dc_stream_state *stream, struct dc_sink *sink);
487 
488 void dc_stream_retain(struct dc_stream_state *dc_stream);
489 void dc_stream_release(struct dc_stream_state *dc_stream);
490 
491 struct dc_stream_status *dc_stream_get_status(
492 	struct dc_stream_state *dc_stream);
493 
494 /*******************************************************************************
495  * Cursor interfaces - To manages the cursor within a stream
496  ******************************************************************************/
497 /* TODO: Deprecated once we switch to dc_set_cursor_position */
498 
499 void program_cursor_attributes(
500 	struct dc *dc,
501 	struct dc_stream_state *stream);
502 
503 void program_cursor_position(
504 	struct dc *dc,
505 	struct dc_stream_state *stream);
506 
507 bool dc_stream_set_cursor_attributes(
508 	struct dc_stream_state *stream,
509 	const struct dc_cursor_attributes *attributes);
510 
511 bool dc_stream_program_cursor_attributes(
512 	struct dc_stream_state *stream,
513 	const struct dc_cursor_attributes *attributes);
514 
515 bool dc_stream_set_cursor_position(
516 	struct dc_stream_state *stream,
517 	const struct dc_cursor_position *position);
518 
519 bool dc_stream_program_cursor_position(
520 	struct dc_stream_state *stream,
521 	const struct dc_cursor_position *position);
522 
523 
524 bool dc_stream_adjust_vmin_vmax(struct dc *dc,
525 				struct dc_stream_state *stream,
526 				struct dc_crtc_timing_adjust *adjust);
527 
528 bool dc_stream_get_last_used_drr_vtotal(struct dc *dc,
529 		struct dc_stream_state *stream,
530 		uint32_t *refresh_rate);
531 
532 bool dc_stream_get_crtc_position(struct dc *dc,
533 				 struct dc_stream_state **stream,
534 				 int num_streams,
535 				 unsigned int *v_pos,
536 				 unsigned int *nom_v_pos);
537 
538 #if defined(CONFIG_DRM_AMD_SECURE_DISPLAY)
539 bool dc_stream_forward_crc_window(struct dc_stream_state *stream,
540 		struct rect *rect,
541 		bool is_stop);
542 #endif
543 
544 bool dc_stream_configure_crc(struct dc *dc,
545 			     struct dc_stream_state *stream,
546 			     struct crc_params *crc_window,
547 			     bool enable,
548 			     bool continuous);
549 
550 bool dc_stream_get_crc(struct dc *dc,
551 		       struct dc_stream_state *stream,
552 		       uint32_t *r_cr,
553 		       uint32_t *g_y,
554 		       uint32_t *b_cb);
555 
556 void dc_stream_set_static_screen_params(struct dc *dc,
557 					struct dc_stream_state **stream,
558 					int num_streams,
559 					const struct dc_static_screen_params *params);
560 
561 void dc_stream_set_dyn_expansion(struct dc *dc, struct dc_stream_state *stream,
562 		enum dc_dynamic_expansion option);
563 
564 void dc_stream_set_dither_option(struct dc_stream_state *stream,
565 				 enum dc_dither_option option);
566 
567 bool dc_stream_set_gamut_remap(struct dc *dc,
568 			       const struct dc_stream_state *stream);
569 
570 bool dc_stream_program_csc_matrix(struct dc *dc,
571 				  struct dc_stream_state *stream);
572 
573 bool dc_stream_get_crtc_position(struct dc *dc,
574 				 struct dc_stream_state **stream,
575 				 int num_streams,
576 				 unsigned int *v_pos,
577 				 unsigned int *nom_v_pos);
578 
579 struct pipe_ctx *dc_stream_get_pipe_ctx(struct dc_stream_state *stream);
580 
581 void dc_dmub_update_dirty_rect(struct dc *dc,
582 			       int surface_count,
583 			       struct dc_stream_state *stream,
584 			       struct dc_surface_update *srf_updates,
585 			       struct dc_state *context);
586 #endif /* DC_STREAM_H_ */
587