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  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 ******************************************************************************/
 35struct timing_sync_info {
 36	int group_id;
 37	int group_size;
 38	bool master;
 39};
 40
 41struct 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..
 52struct freesync_context {
 53	bool dummy;
 54};
 55
 56enum hubp_dmdata_mode {
 57	DMDATA_SW_MODE,
 58	DMDATA_HW_MODE
 59};
 60
 61struct 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
 86struct 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
 98struct dc_writeback_update {
 99	unsigned int num_wb_info;
100	struct dc_writeback_info writeback_info[MAX_DWB_PIPES];
101};
102
103enum 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
113struct periodic_interrupt_config {
114	enum vertical_interrupt_ref_point ref_point;
115	int lines_offset;
116};
117
118union 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
133struct 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
141struct 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
254struct 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
287bool dc_is_stream_unchanged(
288	struct dc_stream_state *old_stream, struct dc_stream_state *stream);
289bool 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
303void 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 */
312void dc_stream_log(const struct dc *dc, const struct dc_stream_state *stream);
313
314uint8_t dc_get_current_stream_count(struct dc *dc);
315struct dc_stream_state *dc_get_stream_at_index(struct dc *dc, uint8_t i);
316struct dc_stream_state *dc_stream_find_from_link(const struct dc_link *link);
317
318/*
319 * Return the current frame counter.
320 */
321uint32_t dc_stream_get_vblank_counter(const struct dc_stream_state *stream);
322
323/*
324 * Send dp sdp message.
325 */
326bool 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 */
334bool 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
340enum dc_status dc_add_stream_to_ctx(
341			struct dc *dc,
342		struct dc_state *new_ctx,
343		struct dc_stream_state *stream);
344
345enum 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
351bool 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
357bool 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
363bool dc_rem_all_planes_for_stream(
364		const struct dc *dc,
365		struct dc_stream_state *stream,
366		struct dc_state *context);
367
368bool 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
375bool dc_stream_add_writeback(struct dc *dc,
376		struct dc_stream_state *stream,
377		struct dc_writeback_info *wb_info);
378
379bool dc_stream_remove_writeback(struct dc *dc,
380		struct dc_stream_state *stream,
381		uint32_t dwb_pipe_inst);
382
383enum dc_status dc_stream_add_dsc_to_resource(struct dc *dc,
384		struct dc_state *state,
385		struct dc_stream_state *stream);
386
387bool dc_stream_warmup_writeback(struct dc *dc,
388		int num_dwb,
389		struct dc_writeback_info *wb_info);
390
391bool dc_stream_dmdata_status_done(struct dc *dc, struct dc_stream_state *stream);
392
393bool dc_stream_set_dynamic_metadata(struct dc *dc,
394		struct dc_stream_state *stream,
395		struct dc_dmdata_attributes *dmdata_attr);
396
397enum 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 */
411void 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. */
418void dc_trigger_sync(struct dc *dc, struct dc_state *context);
419
420enum 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 */
430struct dc_stream_state *dc_create_stream_for_sink(struct dc_sink *dc_sink);
431
432struct dc_stream_state *dc_copy_stream(const struct dc_stream_state *stream);
433
434void update_stream_signal(struct dc_stream_state *stream, struct dc_sink *sink);
435
436void dc_stream_retain(struct dc_stream_state *dc_stream);
437void dc_stream_release(struct dc_stream_state *dc_stream);
438
439struct dc_stream_status *dc_stream_get_status_from_state(
440	struct dc_state *state,
441	struct dc_stream_state *stream);
442struct dc_stream_status *dc_stream_get_status(
443	struct dc_stream_state *dc_stream);
444
445#ifndef TRIM_FSFT
446bool 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 */
455bool dc_stream_set_cursor_attributes(
456	struct dc_stream_state *stream,
457	const struct dc_cursor_attributes *attributes);
458
459bool dc_stream_set_cursor_position(
460	struct dc_stream_state *stream,
461	const struct dc_cursor_position *position);
462
463
464bool dc_stream_adjust_vmin_vmax(struct dc *dc,
465				struct dc_stream_state *stream,
466				struct dc_crtc_timing_adjust *adjust);
467
468bool dc_stream_get_last_used_drr_vtotal(struct dc *dc,
469		struct dc_stream_state *stream,
470		uint32_t *refresh_rate);
471
472bool 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)
479bool dc_stream_forward_dmcu_crc_window(struct dc *dc, struct dc_stream_state *stream,
480			     struct crc_params *crc_window);
481bool dc_stream_stop_dmcu_crc_win_update(struct dc *dc,
482				 struct dc_stream_state *stream);
483#endif
484
485bool 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
491bool 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
497void 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
502void dc_stream_set_dyn_expansion(struct dc *dc, struct dc_stream_state *stream,
503		enum dc_dynamic_expansion option);
504
505void dc_stream_set_dither_option(struct dc_stream_state *stream,
506				 enum dc_dither_option option);
507
508bool dc_stream_set_gamut_remap(struct dc *dc,
509			       const struct dc_stream_state *stream);
510
511bool dc_stream_program_csc_matrix(struct dc *dc,
512				  struct dc_stream_state *stream);
513
514bool 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_ */