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 struct dc_mst_stream_bw_update {
119 	bool is_increase; // is bandwidth reduced or increased
120 	uint32_t mst_stream_bw; // new mst bandwidth in kbps
121 };
122 
123 union stream_update_flags {
124 	struct {
125 		uint32_t scaling:1;
126 		uint32_t out_tf:1;
127 		uint32_t out_csc:1;
128 		uint32_t abm_level:1;
129 		uint32_t dpms_off:1;
130 		uint32_t gamut_remap:1;
131 		uint32_t wb_update:1;
132 		uint32_t dsc_changed : 1;
133 		uint32_t mst_bw : 1;
134 		uint32_t crtc_timing_adjust : 1;
135 	} bits;
136 
137 	uint32_t raw;
138 };
139 
140 struct test_pattern {
141 	enum dp_test_pattern type;
142 	enum dp_test_pattern_color_space color_space;
143 	struct link_training_settings const *p_link_settings;
144 	unsigned char const *p_custom_pattern;
145 	unsigned int cust_pattern_size;
146 };
147 
148 struct dc_stream_state {
149 	// sink is deprecated, new code should not reference
150 	// this pointer
151 	struct dc_sink *sink;
152 
153 	struct dc_link *link;
154 	/* For dynamic link encoder assignment, update the link encoder assigned to
155 	 * a stream via the volatile dc_state rather than the static dc_link.
156 	 */
157 	struct link_encoder *link_enc;
158 	struct dc_panel_patch sink_patches;
159 	union display_content_support content_support;
160 	struct dc_crtc_timing timing;
161 	struct dc_crtc_timing_adjust adjust;
162 	struct dc_info_packet vrr_infopacket;
163 	struct dc_info_packet vsc_infopacket;
164 	struct dc_info_packet vsp_infopacket;
165 	uint8_t dsc_packed_pps[128];
166 	struct rect src; /* composition area */
167 	struct rect dst; /* stream addressable area */
168 
169 	// TODO: References to this needs to be removed..
170 	struct freesync_context freesync_ctx;
171 
172 	struct audio_info audio_info;
173 
174 	struct dc_info_packet hdr_static_metadata;
175 	PHYSICAL_ADDRESS_LOC dmdata_address;
176 	bool   use_dynamic_meta;
177 
178 	struct dc_transfer_func *out_transfer_func;
179 	struct colorspace_transform gamut_remap_matrix;
180 	struct dc_csc_transform csc_color_matrix;
181 
182 	enum dc_color_space output_color_space;
183 	enum dc_dither_option dither_option;
184 
185 	enum view_3d_format view_format;
186 
187 	bool use_vsc_sdp_for_colorimetry;
188 	bool ignore_msa_timing_param;
189 
190 	bool freesync_on_desktop;
191 
192 	bool converter_disable_audio;
193 	uint8_t qs_bit;
194 	uint8_t qy_bit;
195 
196 	/* TODO: custom INFO packets */
197 	/* TODO: ABM info (DMCU) */
198 	/* TODO: CEA VIC */
199 
200 	/* DMCU info */
201 	unsigned int abm_level;
202 
203 	struct periodic_interrupt_config periodic_interrupt0;
204 	struct periodic_interrupt_config periodic_interrupt1;
205 
206 	/* from core_stream struct */
207 	struct dc_context *ctx;
208 
209 	/* used by DCP and FMT */
210 	struct bit_depth_reduction_params bit_depth_params;
211 	struct clamping_and_pixel_encoding_params clamping;
212 
213 	int phy_pix_clk;
214 	enum signal_type signal;
215 	bool dpms_off;
216 
217 	void *dm_stream_context;
218 
219 	struct dc_cursor_attributes cursor_attributes;
220 	struct dc_cursor_position cursor_position;
221 	uint32_t sdr_white_level; // for boosting (SDR) cursor in HDR mode
222 
223 	/* from stream struct */
224 	struct kref refcount;
225 
226 	struct crtc_trigger_info triggered_crtc_reset;
227 
228 	/* writeback */
229 	unsigned int num_wb_info;
230 	struct dc_writeback_info writeback_info[MAX_DWB_PIPES];
231 	const struct dc_transfer_func *func_shaper;
232 	const struct dc_3dlut *lut3d_func;
233 	/* Computed state bits */
234 	bool mode_changed : 1;
235 
236 	/* Output from DC when stream state is committed or altered
237 	 * DC may only access these values during:
238 	 * dc_commit_state, dc_commit_state_no_check, dc_commit_streams
239 	 * values may not change outside of those calls
240 	 */
241 	struct {
242 		// For interrupt management, some hardware instance
243 		// offsets need to be exposed to DM
244 		uint8_t otg_offset;
245 	} out;
246 
247 	bool apply_edp_fast_boot_optimization;
248 	bool apply_seamless_boot_optimization;
249 	uint32_t apply_boot_odm_mode;
250 
251 	uint32_t stream_id;
252 
253 	struct test_pattern test_pattern;
254 	union stream_update_flags update_flags;
255 
256 	bool has_non_synchronizable_pclk;
257 	bool vblank_synchronized;
258 };
259 
260 #define ABM_LEVEL_IMMEDIATE_DISABLE 255
261 
262 struct dc_stream_update {
263 	struct dc_stream_state *stream;
264 
265 	struct rect src;
266 	struct rect dst;
267 	struct dc_transfer_func *out_transfer_func;
268 	struct dc_info_packet *hdr_static_metadata;
269 	unsigned int *abm_level;
270 
271 	struct periodic_interrupt_config *periodic_interrupt0;
272 	struct periodic_interrupt_config *periodic_interrupt1;
273 
274 	struct dc_info_packet *vrr_infopacket;
275 	struct dc_info_packet *vsc_infopacket;
276 	struct dc_info_packet *vsp_infopacket;
277 
278 	bool *dpms_off;
279 	bool integer_scaling_update;
280 
281 	struct colorspace_transform *gamut_remap;
282 	enum dc_color_space *output_color_space;
283 	enum dc_dither_option *dither_option;
284 
285 	struct dc_csc_transform *output_csc_transform;
286 
287 	struct dc_writeback_update *wb_update;
288 	struct dc_dsc_config *dsc_config;
289 	struct dc_mst_stream_bw_update *mst_bw_update;
290 	struct dc_transfer_func *func_shaper;
291 	struct dc_3dlut *lut3d_func;
292 
293 	struct test_pattern *pending_test_pattern;
294 	struct dc_crtc_timing_adjust *crtc_timing_adjust;
295 };
296 
297 bool dc_is_stream_unchanged(
298 	struct dc_stream_state *old_stream, struct dc_stream_state *stream);
299 bool dc_is_stream_scaling_unchanged(
300 	struct dc_stream_state *old_stream, struct dc_stream_state *stream);
301 
302 /*
303  * Set up surface attributes and associate to a stream
304  * The surfaces parameter is an absolute set of all surface active for the stream.
305  * If no surfaces are provided, the stream will be blanked; no memory read.
306  * Any flip related attribute changes must be done through this interface.
307  *
308  * After this call:
309  *   Surfaces attributes are programmed and configured to be composed into stream.
310  *   This does not trigger a flip.  No surface address is programmed.
311  */
312 
313 void dc_commit_updates_for_stream(struct dc *dc,
314 		struct dc_surface_update *srf_updates,
315 		int surface_count,
316 		struct dc_stream_state *stream,
317 		struct dc_stream_update *stream_update,
318 		struct dc_state *state);
319 /*
320  * Log the current stream state.
321  */
322 void dc_stream_log(const struct dc *dc, const struct dc_stream_state *stream);
323 
324 uint8_t dc_get_current_stream_count(struct dc *dc);
325 struct dc_stream_state *dc_get_stream_at_index(struct dc *dc, uint8_t i);
326 struct dc_stream_state *dc_stream_find_from_link(const struct dc_link *link);
327 
328 /*
329  * Return the current frame counter.
330  */
331 uint32_t dc_stream_get_vblank_counter(const struct dc_stream_state *stream);
332 
333 /*
334  * Send dp sdp message.
335  */
336 bool dc_stream_send_dp_sdp(const struct dc_stream_state *stream,
337 		const uint8_t *custom_sdp_message,
338 		unsigned int sdp_message_size);
339 
340 /* TODO: Return parsed values rather than direct register read
341  * This has a dependency on the caller (amdgpu_display_get_crtc_scanoutpos)
342  * being refactored properly to be dce-specific
343  */
344 bool dc_stream_get_scanoutpos(const struct dc_stream_state *stream,
345 				  uint32_t *v_blank_start,
346 				  uint32_t *v_blank_end,
347 				  uint32_t *h_position,
348 				  uint32_t *v_position);
349 
350 enum dc_status dc_add_stream_to_ctx(
351 			struct dc *dc,
352 		struct dc_state *new_ctx,
353 		struct dc_stream_state *stream);
354 
355 enum dc_status dc_remove_stream_from_ctx(
356 		struct dc *dc,
357 			struct dc_state *new_ctx,
358 			struct dc_stream_state *stream);
359 
360 
361 bool dc_add_plane_to_context(
362 		const struct dc *dc,
363 		struct dc_stream_state *stream,
364 		struct dc_plane_state *plane_state,
365 		struct dc_state *context);
366 
367 bool dc_remove_plane_from_context(
368 		const struct dc *dc,
369 		struct dc_stream_state *stream,
370 		struct dc_plane_state *plane_state,
371 		struct dc_state *context);
372 
373 bool dc_rem_all_planes_for_stream(
374 		const struct dc *dc,
375 		struct dc_stream_state *stream,
376 		struct dc_state *context);
377 
378 bool dc_add_all_planes_for_stream(
379 		const struct dc *dc,
380 		struct dc_stream_state *stream,
381 		struct dc_plane_state * const *plane_states,
382 		int plane_count,
383 		struct dc_state *context);
384 
385 bool dc_stream_add_writeback(struct dc *dc,
386 		struct dc_stream_state *stream,
387 		struct dc_writeback_info *wb_info);
388 
389 bool dc_stream_remove_writeback(struct dc *dc,
390 		struct dc_stream_state *stream,
391 		uint32_t dwb_pipe_inst);
392 
393 enum dc_status dc_stream_add_dsc_to_resource(struct dc *dc,
394 		struct dc_state *state,
395 		struct dc_stream_state *stream);
396 
397 bool dc_stream_warmup_writeback(struct dc *dc,
398 		int num_dwb,
399 		struct dc_writeback_info *wb_info);
400 
401 bool dc_stream_dmdata_status_done(struct dc *dc, struct dc_stream_state *stream);
402 
403 bool dc_stream_set_dynamic_metadata(struct dc *dc,
404 		struct dc_stream_state *stream,
405 		struct dc_dmdata_attributes *dmdata_attr);
406 
407 enum dc_status dc_validate_stream(struct dc *dc, struct dc_stream_state *stream);
408 
409 /*
410  * Set up streams and links associated to drive sinks
411  * The streams parameter is an absolute set of all active streams.
412  *
413  * After this call:
414  *   Phy, Encoder, Timing Generator are programmed and enabled.
415  *   New streams are enabled with blank stream; no memory read.
416  */
417 /*
418  * Enable stereo when commit_streams is not required,
419  * for example, frame alternate.
420  */
421 void dc_enable_stereo(
422 	struct dc *dc,
423 	struct dc_state *context,
424 	struct dc_stream_state *streams[],
425 	uint8_t stream_count);
426 
427 /* Triggers multi-stream synchronization. */
428 void dc_trigger_sync(struct dc *dc, struct dc_state *context);
429 
430 enum surface_update_type dc_check_update_surfaces_for_stream(
431 		struct dc *dc,
432 		struct dc_surface_update *updates,
433 		int surface_count,
434 		struct dc_stream_update *stream_update,
435 		const struct dc_stream_status *stream_status);
436 
437 /**
438  * Create a new default stream for the requested sink
439  */
440 struct dc_stream_state *dc_create_stream_for_sink(struct dc_sink *dc_sink);
441 
442 struct dc_stream_state *dc_copy_stream(const struct dc_stream_state *stream);
443 
444 void update_stream_signal(struct dc_stream_state *stream, struct dc_sink *sink);
445 
446 void dc_stream_retain(struct dc_stream_state *dc_stream);
447 void dc_stream_release(struct dc_stream_state *dc_stream);
448 
449 struct dc_stream_status *dc_stream_get_status_from_state(
450 	struct dc_state *state,
451 	struct dc_stream_state *stream);
452 struct dc_stream_status *dc_stream_get_status(
453 	struct dc_stream_state *dc_stream);
454 
455 #ifndef TRIM_FSFT
456 bool dc_optimize_timing_for_fsft(
457 	struct dc_stream_state *pStream,
458 	unsigned int max_input_rate_in_khz);
459 #endif
460 
461 /*******************************************************************************
462  * Cursor interfaces - To manages the cursor within a stream
463  ******************************************************************************/
464 /* TODO: Deprecated once we switch to dc_set_cursor_position */
465 bool dc_stream_set_cursor_attributes(
466 	struct dc_stream_state *stream,
467 	const struct dc_cursor_attributes *attributes);
468 
469 bool dc_stream_set_cursor_position(
470 	struct dc_stream_state *stream,
471 	const struct dc_cursor_position *position);
472 
473 
474 bool dc_stream_adjust_vmin_vmax(struct dc *dc,
475 				struct dc_stream_state *stream,
476 				struct dc_crtc_timing_adjust *adjust);
477 
478 bool dc_stream_get_last_used_drr_vtotal(struct dc *dc,
479 		struct dc_stream_state *stream,
480 		uint32_t *refresh_rate);
481 
482 bool dc_stream_get_crtc_position(struct dc *dc,
483 				 struct dc_stream_state **stream,
484 				 int num_streams,
485 				 unsigned int *v_pos,
486 				 unsigned int *nom_v_pos);
487 
488 #if defined(CONFIG_DRM_AMD_SECURE_DISPLAY)
489 bool dc_stream_forward_dmcu_crc_window(struct dc *dc, struct dc_stream_state *stream,
490 			     struct crc_params *crc_window);
491 bool dc_stream_stop_dmcu_crc_win_update(struct dc *dc,
492 				 struct dc_stream_state *stream);
493 #endif
494 
495 bool dc_stream_configure_crc(struct dc *dc,
496 			     struct dc_stream_state *stream,
497 			     struct crc_params *crc_window,
498 			     bool enable,
499 			     bool continuous);
500 
501 bool dc_stream_get_crc(struct dc *dc,
502 		       struct dc_stream_state *stream,
503 		       uint32_t *r_cr,
504 		       uint32_t *g_y,
505 		       uint32_t *b_cb);
506 
507 void dc_stream_set_static_screen_params(struct dc *dc,
508 					struct dc_stream_state **stream,
509 					int num_streams,
510 					const struct dc_static_screen_params *params);
511 
512 void dc_stream_set_dyn_expansion(struct dc *dc, struct dc_stream_state *stream,
513 		enum dc_dynamic_expansion option);
514 
515 void dc_stream_set_dither_option(struct dc_stream_state *stream,
516 				 enum dc_dither_option option);
517 
518 bool dc_stream_set_gamut_remap(struct dc *dc,
519 			       const struct dc_stream_state *stream);
520 
521 bool dc_stream_program_csc_matrix(struct dc *dc,
522 				  struct dc_stream_state *stream);
523 
524 bool dc_stream_get_crtc_position(struct dc *dc,
525 				 struct dc_stream_state **stream,
526 				 int num_streams,
527 				 unsigned int *v_pos,
528 				 unsigned int *nom_v_pos);
529 
530 struct pipe_ctx *dc_stream_get_pipe_ctx(struct dc_stream_state *stream);
531 
532 #endif /* DC_STREAM_H_ */
533