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 
45 	/**
46 	 * @plane_count: Total of planes attached to a single stream
47 	 */
48 	int plane_count;
49 	int audio_inst;
50 	struct timing_sync_info timing_sync_info;
51 	struct dc_plane_state *plane_states[MAX_SURFACE_NUM];
52 	bool is_abm_supported;
53 };
54 
55 enum hubp_dmdata_mode {
56 	DMDATA_SW_MODE,
57 	DMDATA_HW_MODE
58 };
59 
60 struct dc_dmdata_attributes {
61 	/* Specifies whether dynamic meta data will be updated by software
62 	 * or has to be fetched by hardware (DMA mode)
63 	 */
64 	enum hubp_dmdata_mode dmdata_mode;
65 	/* Specifies if current dynamic meta data is to be used only for the current frame */
66 	bool dmdata_repeat;
67 	/* Specifies the size of Dynamic Metadata surface in byte.  Size of 0 means no Dynamic metadata is fetched */
68 	uint32_t dmdata_size;
69 	/* Specifies if a new dynamic meta data should be fetched for an upcoming frame */
70 	bool dmdata_updated;
71 	/* If hardware mode is used, the base address where DMDATA surface is located */
72 	PHYSICAL_ADDRESS_LOC address;
73 	/* Specifies whether QOS level will be provided by TTU or it will come from DMDATA_QOS_LEVEL */
74 	bool dmdata_qos_mode;
75 	/* If qos_mode = 1, this is the QOS value to be used: */
76 	uint32_t dmdata_qos_level;
77 	/* Specifies the value in unit of REFCLK cycles to be added to the
78 	 * current time to produce the Amortized deadline for Dynamic Metadata chunk request
79 	 */
80 	uint32_t dmdata_dl_delta;
81 	/* An unbounded array of uint32s, represents software dmdata to be loaded */
82 	uint32_t *dmdata_sw_data;
83 };
84 
85 struct dc_writeback_info {
86 	bool wb_enabled;
87 	int dwb_pipe_inst;
88 	struct dc_dwb_params dwb_params;
89 	struct mcif_buf_params mcif_buf_params;
90 	struct mcif_warmup_params mcif_warmup_params;
91 	/* the plane that is the input to TOP_MUX for MPCC that is the DWB source */
92 	struct dc_plane_state *writeback_source_plane;
93 	/* source MPCC instance.  for use by internally by dc */
94 	int mpcc_inst;
95 };
96 
97 struct dc_writeback_update {
98 	unsigned int num_wb_info;
99 	struct dc_writeback_info writeback_info[MAX_DWB_PIPES];
100 };
101 
102 enum vertical_interrupt_ref_point {
103 	START_V_UPDATE = 0,
104 	START_V_SYNC,
105 	INVALID_POINT
106 
107 	//For now, only v_update interrupt is used.
108 	//START_V_BLANK,
109 	//START_V_ACTIVE
110 };
111 
112 struct periodic_interrupt_config {
113 	enum vertical_interrupt_ref_point ref_point;
114 	int lines_offset;
115 };
116 
117 struct dc_mst_stream_bw_update {
118 	bool is_increase; // is bandwidth reduced or increased
119 	uint32_t mst_stream_bw; // new mst bandwidth in kbps
120 };
121 
122 union stream_update_flags {
123 	struct {
124 		uint32_t scaling:1;
125 		uint32_t out_tf:1;
126 		uint32_t out_csc:1;
127 		uint32_t abm_level:1;
128 		uint32_t dpms_off:1;
129 		uint32_t gamut_remap:1;
130 		uint32_t wb_update:1;
131 		uint32_t dsc_changed : 1;
132 		uint32_t mst_bw : 1;
133 		uint32_t crtc_timing_adjust : 1;
134 	} bits;
135 
136 	uint32_t raw;
137 };
138 
139 struct test_pattern {
140 	enum dp_test_pattern type;
141 	enum dp_test_pattern_color_space color_space;
142 	struct link_training_settings const *p_link_settings;
143 	unsigned char const *p_custom_pattern;
144 	unsigned int cust_pattern_size;
145 };
146 
147 #define SUBVP_DRR_MARGIN_US 600 // 600us for DRR margin (SubVP + DRR)
148 
149 enum mall_stream_type {
150 	SUBVP_NONE, // subvp not in use
151 	SUBVP_MAIN, // subvp in use, this stream is main stream
152 	SUBVP_PHANTOM, // subvp in use, this stream is a phantom stream
153 };
154 
155 struct mall_stream_config {
156 	/* MALL stream config to indicate if the stream is phantom or not.
157 	 * We will use a phantom stream to indicate that the pipe is phantom.
158 	 */
159 	enum mall_stream_type type;
160 	struct dc_stream_state *paired_stream;	// master / slave stream
161 };
162 
163 /* Temp struct used to save and restore MALL config
164  * during validation.
165  *
166  * TODO: Move MALL config into dc_state instead of stream struct
167  * to avoid needing to save/restore.
168  */
169 struct mall_temp_config {
170 	struct mall_stream_config mall_stream_config[MAX_PIPES];
171 	bool is_phantom_plane[MAX_PIPES];
172 };
173 
174 struct dc_stream_state {
175 	// sink is deprecated, new code should not reference
176 	// this pointer
177 	struct dc_sink *sink;
178 
179 	struct dc_link *link;
180 	/* For dynamic link encoder assignment, update the link encoder assigned to
181 	 * a stream via the volatile dc_state rather than the static dc_link.
182 	 */
183 	struct link_encoder *link_enc;
184 	struct dc_panel_patch sink_patches;
185 	union display_content_support content_support;
186 	struct dc_crtc_timing timing;
187 	struct dc_crtc_timing_adjust adjust;
188 	struct dc_info_packet vrr_infopacket;
189 	struct dc_info_packet vsc_infopacket;
190 	struct dc_info_packet vsp_infopacket;
191 	struct dc_info_packet hfvsif_infopacket;
192 	struct dc_info_packet vtem_infopacket;
193 	uint8_t dsc_packed_pps[128];
194 	struct rect src; /* composition area */
195 	struct rect dst; /* stream addressable area */
196 
197 	struct audio_info audio_info;
198 
199 	struct dc_info_packet hdr_static_metadata;
200 	PHYSICAL_ADDRESS_LOC dmdata_address;
201 	bool   use_dynamic_meta;
202 
203 	struct dc_transfer_func *out_transfer_func;
204 	struct colorspace_transform gamut_remap_matrix;
205 	struct dc_csc_transform csc_color_matrix;
206 
207 	enum dc_color_space output_color_space;
208 	enum dc_dither_option dither_option;
209 
210 	enum view_3d_format view_format;
211 
212 	bool use_vsc_sdp_for_colorimetry;
213 	bool ignore_msa_timing_param;
214 
215 	/**
216 	 * @allow_freesync:
217 	 *
218 	 * It say if Freesync is enabled or not.
219 	 */
220 	bool allow_freesync;
221 
222 	/**
223 	 * @vrr_active_variable:
224 	 *
225 	 * It describes if VRR is in use.
226 	 */
227 	bool vrr_active_variable;
228 	bool freesync_on_desktop;
229 
230 	bool converter_disable_audio;
231 	uint8_t qs_bit;
232 	uint8_t qy_bit;
233 
234 	/* TODO: custom INFO packets */
235 	/* TODO: ABM info (DMCU) */
236 	/* TODO: CEA VIC */
237 
238 	/* DMCU info */
239 	unsigned int abm_level;
240 
241 	struct periodic_interrupt_config periodic_interrupt;
242 
243 	/* from core_stream struct */
244 	struct dc_context *ctx;
245 
246 	/* used by DCP and FMT */
247 	struct bit_depth_reduction_params bit_depth_params;
248 	struct clamping_and_pixel_encoding_params clamping;
249 
250 	int phy_pix_clk;
251 	enum signal_type signal;
252 	bool dpms_off;
253 
254 	void *dm_stream_context;
255 
256 	struct dc_cursor_attributes cursor_attributes;
257 	struct dc_cursor_position cursor_position;
258 	uint32_t sdr_white_level; // for boosting (SDR) cursor in HDR mode
259 
260 	/* from stream struct */
261 	struct kref refcount;
262 
263 	struct crtc_trigger_info triggered_crtc_reset;
264 
265 	/* writeback */
266 	unsigned int num_wb_info;
267 	struct dc_writeback_info writeback_info[MAX_DWB_PIPES];
268 	const struct dc_transfer_func *func_shaper;
269 	const struct dc_3dlut *lut3d_func;
270 	/* Computed state bits */
271 	bool mode_changed : 1;
272 
273 	/* Output from DC when stream state is committed or altered
274 	 * DC may only access these values during:
275 	 * dc_commit_state, dc_commit_state_no_check, dc_commit_streams
276 	 * values may not change outside of those calls
277 	 */
278 	struct {
279 		// For interrupt management, some hardware instance
280 		// offsets need to be exposed to DM
281 		uint8_t otg_offset;
282 	} out;
283 
284 	bool apply_edp_fast_boot_optimization;
285 	bool apply_seamless_boot_optimization;
286 	uint32_t apply_boot_odm_mode;
287 
288 	uint32_t stream_id;
289 
290 	struct test_pattern test_pattern;
291 	union stream_update_flags update_flags;
292 
293 	bool has_non_synchronizable_pclk;
294 	bool vblank_synchronized;
295 	struct mall_stream_config mall_stream_config;
296 };
297 
298 #define ABM_LEVEL_IMMEDIATE_DISABLE 255
299 
300 struct dc_stream_update {
301 	struct dc_stream_state *stream;
302 
303 	struct rect src;
304 	struct rect dst;
305 	struct dc_transfer_func *out_transfer_func;
306 	struct dc_info_packet *hdr_static_metadata;
307 	unsigned int *abm_level;
308 
309 	struct periodic_interrupt_config *periodic_interrupt;
310 
311 	struct dc_info_packet *vrr_infopacket;
312 	struct dc_info_packet *vsc_infopacket;
313 	struct dc_info_packet *vsp_infopacket;
314 	struct dc_info_packet *hfvsif_infopacket;
315 	struct dc_info_packet *vtem_infopacket;
316 	bool *dpms_off;
317 	bool integer_scaling_update;
318 	bool *allow_freesync;
319 	bool *vrr_active_variable;
320 
321 	struct colorspace_transform *gamut_remap;
322 	enum dc_color_space *output_color_space;
323 	enum dc_dither_option *dither_option;
324 
325 	struct dc_csc_transform *output_csc_transform;
326 
327 	struct dc_writeback_update *wb_update;
328 	struct dc_dsc_config *dsc_config;
329 	struct dc_mst_stream_bw_update *mst_bw_update;
330 	struct dc_transfer_func *func_shaper;
331 	struct dc_3dlut *lut3d_func;
332 
333 	struct test_pattern *pending_test_pattern;
334 	struct dc_crtc_timing_adjust *crtc_timing_adjust;
335 };
336 
337 bool dc_is_stream_unchanged(
338 	struct dc_stream_state *old_stream, struct dc_stream_state *stream);
339 bool dc_is_stream_scaling_unchanged(
340 	struct dc_stream_state *old_stream, struct dc_stream_state *stream);
341 
342 /*
343  * Setup stream attributes if no stream updates are provided
344  * there will be no impact on the stream parameters
345  *
346  * Set up surface attributes and associate to a stream
347  * The surfaces parameter is an absolute set of all surface active for the stream.
348  * If no surfaces are provided, the stream will be blanked; no memory read.
349  * Any flip related attribute changes must be done through this interface.
350  *
351  * After this call:
352  *   Surfaces attributes are programmed and configured to be composed into stream.
353  *   This does not trigger a flip.  No surface address is programmed.
354  *
355  */
356 bool dc_update_planes_and_stream(struct dc *dc,
357 		struct dc_surface_update *surface_updates, int surface_count,
358 		struct dc_stream_state *dc_stream,
359 		struct dc_stream_update *stream_update);
360 
361 /*
362  * Set up surface attributes and associate to a stream
363  * The surfaces parameter is an absolute set of all surface active for the stream.
364  * If no surfaces are provided, the stream will be blanked; no memory read.
365  * Any flip related attribute changes must be done through this interface.
366  *
367  * After this call:
368  *   Surfaces attributes are programmed and configured to be composed into stream.
369  *   This does not trigger a flip.  No surface address is programmed.
370  */
371 void dc_commit_updates_for_stream(struct dc *dc,
372 		struct dc_surface_update *srf_updates,
373 		int surface_count,
374 		struct dc_stream_state *stream,
375 		struct dc_stream_update *stream_update,
376 		struct dc_state *state);
377 /*
378  * Log the current stream state.
379  */
380 void dc_stream_log(const struct dc *dc, const struct dc_stream_state *stream);
381 
382 uint8_t dc_get_current_stream_count(struct dc *dc);
383 struct dc_stream_state *dc_get_stream_at_index(struct dc *dc, uint8_t i);
384 
385 /*
386  * Return the current frame counter.
387  */
388 uint32_t dc_stream_get_vblank_counter(const struct dc_stream_state *stream);
389 
390 /*
391  * Send dp sdp message.
392  */
393 bool dc_stream_send_dp_sdp(const struct dc_stream_state *stream,
394 		const uint8_t *custom_sdp_message,
395 		unsigned int sdp_message_size);
396 
397 /* TODO: Return parsed values rather than direct register read
398  * This has a dependency on the caller (amdgpu_display_get_crtc_scanoutpos)
399  * being refactored properly to be dce-specific
400  */
401 bool dc_stream_get_scanoutpos(const struct dc_stream_state *stream,
402 				  uint32_t *v_blank_start,
403 				  uint32_t *v_blank_end,
404 				  uint32_t *h_position,
405 				  uint32_t *v_position);
406 
407 enum dc_status dc_add_stream_to_ctx(
408 			struct dc *dc,
409 		struct dc_state *new_ctx,
410 		struct dc_stream_state *stream);
411 
412 enum dc_status dc_remove_stream_from_ctx(
413 		struct dc *dc,
414 			struct dc_state *new_ctx,
415 			struct dc_stream_state *stream);
416 
417 
418 bool dc_add_plane_to_context(
419 		const struct dc *dc,
420 		struct dc_stream_state *stream,
421 		struct dc_plane_state *plane_state,
422 		struct dc_state *context);
423 
424 bool dc_remove_plane_from_context(
425 		const struct dc *dc,
426 		struct dc_stream_state *stream,
427 		struct dc_plane_state *plane_state,
428 		struct dc_state *context);
429 
430 bool dc_rem_all_planes_for_stream(
431 		const struct dc *dc,
432 		struct dc_stream_state *stream,
433 		struct dc_state *context);
434 
435 bool dc_add_all_planes_for_stream(
436 		const struct dc *dc,
437 		struct dc_stream_state *stream,
438 		struct dc_plane_state * const *plane_states,
439 		int plane_count,
440 		struct dc_state *context);
441 
442 bool dc_stream_add_writeback(struct dc *dc,
443 		struct dc_stream_state *stream,
444 		struct dc_writeback_info *wb_info);
445 
446 bool dc_stream_remove_writeback(struct dc *dc,
447 		struct dc_stream_state *stream,
448 		uint32_t dwb_pipe_inst);
449 
450 enum dc_status dc_stream_add_dsc_to_resource(struct dc *dc,
451 		struct dc_state *state,
452 		struct dc_stream_state *stream);
453 
454 bool dc_stream_warmup_writeback(struct dc *dc,
455 		int num_dwb,
456 		struct dc_writeback_info *wb_info);
457 
458 bool dc_stream_dmdata_status_done(struct dc *dc, struct dc_stream_state *stream);
459 
460 bool dc_stream_set_dynamic_metadata(struct dc *dc,
461 		struct dc_stream_state *stream,
462 		struct dc_dmdata_attributes *dmdata_attr);
463 
464 enum dc_status dc_validate_stream(struct dc *dc, struct dc_stream_state *stream);
465 
466 /*
467  * Set up streams and links associated to drive sinks
468  * The streams parameter is an absolute set of all active streams.
469  *
470  * After this call:
471  *   Phy, Encoder, Timing Generator are programmed and enabled.
472  *   New streams are enabled with blank stream; no memory read.
473  */
474 /*
475  * Enable stereo when commit_streams is not required,
476  * for example, frame alternate.
477  */
478 void dc_enable_stereo(
479 	struct dc *dc,
480 	struct dc_state *context,
481 	struct dc_stream_state *streams[],
482 	uint8_t stream_count);
483 
484 /* Triggers multi-stream synchronization. */
485 void dc_trigger_sync(struct dc *dc, struct dc_state *context);
486 
487 enum surface_update_type dc_check_update_surfaces_for_stream(
488 		struct dc *dc,
489 		struct dc_surface_update *updates,
490 		int surface_count,
491 		struct dc_stream_update *stream_update,
492 		const struct dc_stream_status *stream_status);
493 
494 /**
495  * Create a new default stream for the requested sink
496  */
497 struct dc_stream_state *dc_create_stream_for_sink(struct dc_sink *dc_sink);
498 
499 struct dc_stream_state *dc_copy_stream(const struct dc_stream_state *stream);
500 
501 void update_stream_signal(struct dc_stream_state *stream, struct dc_sink *sink);
502 
503 void dc_stream_retain(struct dc_stream_state *dc_stream);
504 void dc_stream_release(struct dc_stream_state *dc_stream);
505 
506 struct dc_stream_status *dc_stream_get_status_from_state(
507 	struct dc_state *state,
508 	struct dc_stream_state *stream);
509 struct dc_stream_status *dc_stream_get_status(
510 	struct dc_stream_state *dc_stream);
511 
512 #ifndef TRIM_FSFT
513 bool dc_optimize_timing_for_fsft(
514 	struct dc_stream_state *pStream,
515 	unsigned int max_input_rate_in_khz);
516 #endif
517 
518 /*******************************************************************************
519  * Cursor interfaces - To manages the cursor within a stream
520  ******************************************************************************/
521 /* TODO: Deprecated once we switch to dc_set_cursor_position */
522 bool dc_stream_set_cursor_attributes(
523 	struct dc_stream_state *stream,
524 	const struct dc_cursor_attributes *attributes);
525 
526 bool dc_stream_set_cursor_position(
527 	struct dc_stream_state *stream,
528 	const struct dc_cursor_position *position);
529 
530 
531 bool dc_stream_adjust_vmin_vmax(struct dc *dc,
532 				struct dc_stream_state *stream,
533 				struct dc_crtc_timing_adjust *adjust);
534 
535 bool dc_stream_get_last_used_drr_vtotal(struct dc *dc,
536 		struct dc_stream_state *stream,
537 		uint32_t *refresh_rate);
538 
539 bool dc_stream_get_crtc_position(struct dc *dc,
540 				 struct dc_stream_state **stream,
541 				 int num_streams,
542 				 unsigned int *v_pos,
543 				 unsigned int *nom_v_pos);
544 
545 #if defined(CONFIG_DRM_AMD_SECURE_DISPLAY)
546 bool dc_stream_forward_crc_window(struct dc *dc,
547 		struct rect *rect,
548 		struct dc_stream_state *stream,
549 		bool is_stop);
550 #endif
551 
552 bool dc_stream_configure_crc(struct dc *dc,
553 			     struct dc_stream_state *stream,
554 			     struct crc_params *crc_window,
555 			     bool enable,
556 			     bool continuous);
557 
558 bool dc_stream_get_crc(struct dc *dc,
559 		       struct dc_stream_state *stream,
560 		       uint32_t *r_cr,
561 		       uint32_t *g_y,
562 		       uint32_t *b_cb);
563 
564 void dc_stream_set_static_screen_params(struct dc *dc,
565 					struct dc_stream_state **stream,
566 					int num_streams,
567 					const struct dc_static_screen_params *params);
568 
569 void dc_stream_set_dyn_expansion(struct dc *dc, struct dc_stream_state *stream,
570 		enum dc_dynamic_expansion option);
571 
572 void dc_stream_set_dither_option(struct dc_stream_state *stream,
573 				 enum dc_dither_option option);
574 
575 bool dc_stream_set_gamut_remap(struct dc *dc,
576 			       const struct dc_stream_state *stream);
577 
578 bool dc_stream_program_csc_matrix(struct dc *dc,
579 				  struct dc_stream_state *stream);
580 
581 bool dc_stream_get_crtc_position(struct dc *dc,
582 				 struct dc_stream_state **stream,
583 				 int num_streams,
584 				 unsigned int *v_pos,
585 				 unsigned int *nom_v_pos);
586 
587 struct pipe_ctx *dc_stream_get_pipe_ctx(struct dc_stream_state *stream);
588 
589 void dc_dmub_update_dirty_rect(struct dc *dc,
590 			       int surface_count,
591 			       struct dc_stream_state *stream,
592 			       struct dc_surface_update *srf_updates,
593 			       struct dc_state *context);
594 #endif /* DC_STREAM_H_ */
595