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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_INTERFACE_H_
27#define DC_INTERFACE_H_
28
29#include "dc_types.h"
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30#include "grph_object_defs.h"
31#include "logger_types.h"
32#include "gpio_types.h"
33#include "link_service_types.h"
34
091a97e5 35#define MAX_SURFACES 3
ab2541b6 36#define MAX_STREAMS 6
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37#define MAX_SINKS_PER_LINK 4
38
39/*******************************************************************************
40 * Display Core Interfaces
41 ******************************************************************************/
42
43struct dc_caps {
ab2541b6 44 uint32_t max_streams;
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45 uint32_t max_links;
46 uint32_t max_audios;
47 uint32_t max_slave_planes;
d4e13b0d 48 uint32_t max_surfaces;
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49 uint32_t max_downscale_ratio;
50 uint32_t i2c_speed_in_khz;
a37656b9
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51
52 unsigned int max_cursor_size;
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53};
54
55
56struct dc_dcc_surface_param {
57 enum surface_pixel_format format;
58 struct dc_size surface_size;
2c8ad2d5 59 enum swizzle_mode_values swizzle_mode;
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60 enum dc_scan_direction scan;
61};
62
63struct dc_dcc_setting {
64 unsigned int max_compressed_blk_size;
65 unsigned int max_uncompressed_blk_size;
66 bool independent_64b_blks;
67};
68
69struct dc_surface_dcc_cap {
70 bool capable;
71 bool const_color_support;
72
73 union {
74 struct {
75 struct dc_dcc_setting rgb;
76 } grph;
77
78 struct {
79 struct dc_dcc_setting luma;
80 struct dc_dcc_setting chroma;
81 } video;
82 };
83};
84
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85struct dc_static_screen_events {
86 bool cursor_update;
87 bool surface_update;
88 bool overlay_update;
89};
90
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91/* Forward declaration*/
92struct dc;
93struct dc_surface;
94struct validate_context;
95
96struct dc_cap_funcs {
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97#if defined(CONFIG_DRM_AMD_DC_DCN1_0)
98 bool (*get_dcc_compression_cap)(const struct dc *dc,
99 const struct dc_dcc_surface_param *input,
100 struct dc_surface_dcc_cap *output);
101#else
4562236b 102 int i;
ff5ef992 103#endif
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104};
105
106struct dc_stream_funcs {
107 bool (*adjust_vmin_vmax)(struct dc *dc,
108 const struct dc_stream **stream,
109 int num_streams,
110 int vmin,
111 int vmax);
72ada5f7
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112 bool (*get_crtc_position)(struct dc *dc,
113 const struct dc_stream **stream,
114 int num_streams,
115 unsigned int *v_pos,
116 unsigned int *nom_v_pos);
117
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118
119 void (*stream_update_scaling)(const struct dc *dc,
120 const struct dc_stream *dc_stream,
121 const struct rect *src,
122 const struct rect *dst);
94267b3d 123
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124 bool (*set_gamut_remap)(struct dc *dc,
125 const struct dc_stream **stream, int num_streams);
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126
127 void (*set_static_screen_events)(struct dc *dc,
128 const struct dc_stream **stream,
129 int num_streams,
130 const struct dc_static_screen_events *events);
529cad0f
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131
132 void (*set_dither_option)(const struct dc_stream *stream,
133 enum dc_dither_option option);
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134};
135
136struct link_training_settings;
137
138struct dc_link_funcs {
139 void (*set_drive_settings)(struct dc *dc,
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140 struct link_training_settings *lt_settings,
141 const struct dc_link *link);
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142 void (*perform_link_training)(struct dc *dc,
143 struct dc_link_settings *link_setting,
144 bool skip_video_pattern);
145 void (*set_preferred_link_settings)(struct dc *dc,
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ZF
146 struct dc_link_settings *link_setting,
147 const struct dc_link *link);
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148 void (*enable_hpd)(const struct dc_link *link);
149 void (*disable_hpd)(const struct dc_link *link);
150 void (*set_test_pattern)(
151 const struct dc_link *link,
152 enum dp_test_pattern test_pattern,
153 const struct link_training_settings *p_link_settings,
154 const unsigned char *p_custom_pattern,
155 unsigned int cust_pattern_size);
156};
157
158/* Structure to hold configuration flags set by dm at dc creation. */
159struct dc_config {
160 bool gpu_vm_support;
161 bool disable_disp_pll_sharing;
162};
163
164struct dc_debug {
165 bool surface_visual_confirm;
166 bool max_disp_clk;
4562236b 167 bool surface_trace;
9474980a 168 bool timing_trace;
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169 bool validation_trace;
170 bool disable_stutter;
171 bool disable_dcc;
172 bool disable_dfs_bypass;
ff5ef992
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173#if defined(CONFIG_DRM_AMD_DC_DCN1_0)
174 bool disable_dpp_power_gate;
175 bool disable_hubp_power_gate;
176 bool disable_pplib_wm_range;
177 bool use_dml_wm;
178 bool use_max_voltage;
179 int sr_exit_time_ns;
180 int sr_enter_plus_exit_time_ns;
181 int urgent_latency_ns;
182 int percent_of_ideal_drambw;
183 int dram_clock_change_latency_ns;
184#endif
2c8ad2d5 185 bool disable_pplib_clock_request;
4562236b 186 bool disable_clock_gate;
aa66df58 187 bool disable_dmcu;
70814f6f 188 bool force_abm_enable;
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189};
190
191struct dc {
192 struct dc_caps caps;
193 struct dc_cap_funcs cap_funcs;
194 struct dc_stream_funcs stream_funcs;
195 struct dc_link_funcs link_funcs;
196 struct dc_config config;
197 struct dc_debug debug;
198};
199
2c8ad2d5
AD
200enum frame_buffer_mode {
201 FRAME_BUFFER_MODE_LOCAL_ONLY = 0,
202 FRAME_BUFFER_MODE_ZFB_ONLY,
203 FRAME_BUFFER_MODE_MIXED_ZFB_AND_LOCAL,
204} ;
205
206struct dchub_init_data {
207 bool dchub_initialzied;
208 bool dchub_info_valid;
209 int64_t zfb_phys_addr_base;
210 int64_t zfb_mc_base_addr;
211 uint64_t zfb_size_in_byte;
212 enum frame_buffer_mode fb_mode;
213};
2c8ad2d5 214
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215struct dc_init_data {
216 struct hw_asic_id asic_id;
217 void *driver; /* ctx */
218 struct cgs_device *cgs_device;
219
220 int num_virtual_links;
221 /*
222 * If 'vbios_override' not NULL, it will be called instead
223 * of the real VBIOS. Intended use is Diagnostics on FPGA.
224 */
225 struct dc_bios *vbios_override;
226 enum dce_environment dce_environment;
227
228 struct dc_config flags;
229};
230
231struct dc *dc_create(const struct dc_init_data *init_params);
232
233void dc_destroy(struct dc **dc);
234
2c8ad2d5 235bool dc_init_dchub(struct dc *dc, struct dchub_init_data *dh_data);
2c8ad2d5 236
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237/*******************************************************************************
238 * Surface Interfaces
239 ******************************************************************************/
240
241enum {
fb735a9f 242 TRANSFER_FUNC_POINTS = 1025
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243};
244
1646a6fe 245struct dc_hdr_static_metadata {
70063a59 246 bool hdr_supported;
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AW
247 bool is_hdr;
248
249 /* display chromaticities and white point in units of 0.00001 */
250 unsigned int chromaticity_green_x;
251 unsigned int chromaticity_green_y;
252 unsigned int chromaticity_blue_x;
253 unsigned int chromaticity_blue_y;
254 unsigned int chromaticity_red_x;
255 unsigned int chromaticity_red_y;
256 unsigned int chromaticity_white_point_x;
257 unsigned int chromaticity_white_point_y;
258
259 uint32_t min_luminance;
260 uint32_t max_luminance;
261 uint32_t maximum_content_light_level;
262 uint32_t maximum_frame_average_light_level;
263};
264
fb735a9f
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265enum dc_transfer_func_type {
266 TF_TYPE_PREDEFINED,
267 TF_TYPE_DISTRIBUTED_POINTS,
70063a59 268 TF_TYPE_BYPASS
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269};
270
271struct dc_transfer_func_distributed_points {
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272 struct fixed31_32 red[TRANSFER_FUNC_POINTS];
273 struct fixed31_32 green[TRANSFER_FUNC_POINTS];
274 struct fixed31_32 blue[TRANSFER_FUNC_POINTS];
275
fb735a9f 276 uint16_t end_exponent;
fcd2f4bf
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277 uint16_t x_point_at_y1_red;
278 uint16_t x_point_at_y1_green;
279 uint16_t x_point_at_y1_blue;
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280};
281
282enum dc_transfer_func_predefined {
283 TRANSFER_FUNCTION_SRGB,
284 TRANSFER_FUNCTION_BT709,
90e508ba 285 TRANSFER_FUNCTION_PQ,
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286 TRANSFER_FUNCTION_LINEAR,
287};
288
289struct dc_transfer_func {
290 enum dc_transfer_func_type type;
291 enum dc_transfer_func_predefined tf;
292 struct dc_transfer_func_distributed_points tf_pts;
293};
294
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295struct dc_surface {
296 bool visible;
297 bool flip_immediate;
298 struct dc_plane_address address;
299
300 struct scaling_taps scaling_quality;
301 struct rect src_rect;
302 struct rect dst_rect;
303 struct rect clip_rect;
304
305 union plane_size plane_size;
306 union dc_tiling_info tiling_info;
307 struct dc_plane_dcc_param dcc;
308 enum dc_color_space color_space;
309
310 enum surface_pixel_format format;
311 enum dc_rotation_angle rotation;
312 bool horizontal_mirror;
313 enum plane_stereo_format stereo_format;
314
1646a6fe
AW
315 struct dc_hdr_static_metadata hdr_static_ctx;
316
4562236b 317 const struct dc_gamma *gamma_correction;
fb735a9f 318 const struct dc_transfer_func *in_transfer_func;
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319};
320
321struct dc_plane_info {
322 union plane_size plane_size;
323 union dc_tiling_info tiling_info;
9cd09bfe 324 struct dc_plane_dcc_param dcc;
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325 enum surface_pixel_format format;
326 enum dc_rotation_angle rotation;
327 bool horizontal_mirror;
328 enum plane_stereo_format stereo_format;
329 enum dc_color_space color_space; /*todo: wrong place, fits in scaling info*/
330 bool visible;
331};
332
333struct dc_scaling_info {
334 struct rect src_rect;
335 struct rect dst_rect;
336 struct rect clip_rect;
337 struct scaling_taps scaling_quality;
338};
339
340struct dc_surface_update {
341 const struct dc_surface *surface;
342
343 /* isr safe update parameters. null means no updates */
344 struct dc_flip_addrs *flip_addr;
345 struct dc_plane_info *plane_info;
346 struct dc_scaling_info *scaling_info;
347 /* following updates require alloc/sleep/spin that is not isr safe,
348 * null means no updates
349 */
fb735a9f 350 /* gamma TO BE REMOVED */
4562236b 351 struct dc_gamma *gamma;
1646a6fe 352 struct dc_hdr_static_metadata *hdr_static_metadata;
fb735a9f
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353 struct dc_transfer_func *in_transfer_func;
354 struct dc_transfer_func *out_transfer_func;
355
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356
357};
358/*
359 * This structure is filled in by dc_surface_get_status and contains
360 * the last requested address and the currently active address so the called
361 * can determine if there are any outstanding flips
362 */
363struct dc_surface_status {
364 struct dc_plane_address requested_address;
365 struct dc_plane_address current_address;
366 bool is_flip_pending;
367};
368
369/*
370 * Create a new surface with default parameters;
371 */
372struct dc_surface *dc_create_surface(const struct dc *dc);
373const struct dc_surface_status *dc_surface_get_status(
374 const struct dc_surface *dc_surface);
375
376void dc_surface_retain(const struct dc_surface *dc_surface);
377void dc_surface_release(const struct dc_surface *dc_surface);
378
89e89630 379void dc_gamma_retain(const struct dc_gamma *dc_gamma);
aff20230 380void dc_gamma_release(const struct dc_gamma **dc_gamma);
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381struct dc_gamma *dc_create_gamma(void);
382
fb735a9f
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383void dc_transfer_func_retain(const struct dc_transfer_func *dc_tf);
384void dc_transfer_func_release(const struct dc_transfer_func *dc_tf);
90e508ba 385struct dc_transfer_func *dc_create_transfer_func(void);
fb735a9f 386
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387/*
388 * This structure holds a surface address. There could be multiple addresses
389 * in cases such as Stereo 3D, Planar YUV, etc. Other per-flip attributes such
390 * as frame durations and DCC format can also be set.
391 */
392struct dc_flip_addrs {
393 struct dc_plane_address address;
394 bool flip_immediate;
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HW
395 /* TODO: add flip duration for FreeSync */
396};
397
398/*
399 * Optimized flip address update function.
400 *
401 * After this call:
402 * Surface addresses and flip attributes are programmed.
403 * Surface flip occur at next configured time (h_sync or v_sync flip)
404 */
405void dc_flip_surface_addrs(struct dc *dc,
406 const struct dc_surface *const surfaces[],
407 struct dc_flip_addrs flip_addrs[],
408 uint32_t count);
409
410/*
ab2541b6
AC
411 * Set up surface attributes and associate to a stream
412 * The surfaces parameter is an absolute set of all surface active for the stream.
413 * If no surfaces are provided, the stream will be blanked; no memory read.
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414 * Any flip related attribute changes must be done through this interface.
415 *
416 * After this call:
ab2541b6 417 * Surfaces attributes are programmed and configured to be composed into stream.
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418 * This does not trigger a flip. No surface address is programmed.
419 */
420
ab2541b6 421bool dc_commit_surfaces_to_stream(
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422 struct dc *dc,
423 const struct dc_surface **dc_surfaces,
424 uint8_t surface_count,
ab2541b6 425 const struct dc_stream *stream);
4562236b 426
ab2541b6 427bool dc_pre_update_surfaces_to_stream(
4562236b
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428 struct dc *dc,
429 const struct dc_surface *const *new_surfaces,
430 uint8_t new_surface_count,
ab2541b6 431 const struct dc_stream *stream);
4562236b 432
ab2541b6 433bool dc_post_update_surfaces_to_stream(
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HW
434 struct dc *dc);
435
ab2541b6
AC
436void dc_update_surfaces_for_stream(struct dc *dc, struct dc_surface_update *updates,
437 int surface_count, const struct dc_stream *stream);
4562236b 438
5869b0f6
LE
439enum surface_update_type {
440 UPDATE_TYPE_FAST, /* super fast, safe to execute in isr */
441 UPDATE_TYPE_MED, /* a lot of programming needed. may need to alloc */
442 UPDATE_TYPE_FULL, /* may need to shuffle resources */
443};
444
4562236b 445/*******************************************************************************
ab2541b6 446 * Stream Interfaces
4562236b 447 ******************************************************************************/
ab2541b6
AC
448struct dc_stream {
449 const struct dc_sink *sink;
450 struct dc_crtc_timing timing;
8b32076c 451 enum signal_type output_signal;
4562236b 452
ab2541b6 453 enum dc_color_space output_color_space;
b92033b6 454 enum dc_dither_option dither_option;
4562236b 455
ab2541b6
AC
456 struct rect src; /* composition area */
457 struct rect dst; /* stream addressable area */
4562236b 458
ab2541b6
AC
459 struct audio_info audio_info;
460
461 bool ignore_msa_timing_param;
462
463 struct freesync_context freesync_ctx;
464
465 const struct dc_transfer_func *out_transfer_func;
466 struct colorspace_transform gamut_remap_matrix;
467 struct csc_transform csc_color_matrix;
468
ab2541b6
AC
469 /* TODO: custom INFO packets */
470 /* TODO: ABM info (DMCU) */
471 /* TODO: PSR info */
472 /* TODO: CEA VIC */
473};
4562236b 474
a783e7b5
LE
475struct dc_stream_update {
476
477 struct rect src;
478
479 struct rect dst;
480
481};
482
483
484/*
485 * Setup stream attributes if no stream updates are provided
486 * there will be no impact on the stream parameters
487 *
488 * Set up surface attributes and associate to a stream
489 * The surfaces parameter is an absolute set of all surface active for the stream.
490 * If no surfaces are provided, the stream will be blanked; no memory read.
491 * Any flip related attribute changes must be done through this interface.
492 *
493 * After this call:
494 * Surfaces attributes are programmed and configured to be composed into stream.
495 * This does not trigger a flip. No surface address is programmed.
496 *
497 */
498
499void dc_update_surfaces_and_stream(struct dc *dc,
500 struct dc_surface_update *surface_updates, int surface_count,
501 const struct dc_stream *dc_stream,
502 struct dc_stream_update *stream_update);
503
4562236b 504/*
ab2541b6 505 * Log the current stream state.
4562236b 506 */
ab2541b6
AC
507void dc_stream_log(
508 const struct dc_stream *stream,
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HW
509 struct dal_logger *dc_logger,
510 enum dc_log_type log_type);
511
ab2541b6
AC
512uint8_t dc_get_current_stream_count(const struct dc *dc);
513struct dc_stream *dc_get_stream_at_index(const struct dc *dc, uint8_t i);
4562236b 514
ab2541b6
AC
515/*
516 * Return the current frame counter.
517 */
518uint32_t dc_stream_get_vblank_counter(const struct dc_stream *stream);
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519
520/* TODO: Return parsed values rather than direct register read
521 * This has a dependency on the caller (amdgpu_get_crtc_scanoutpos)
522 * being refactored properly to be dce-specific
523 */
81c50963
ST
524bool dc_stream_get_scanoutpos(const struct dc_stream *stream,
525 uint32_t *v_blank_start,
526 uint32_t *v_blank_end,
527 uint32_t *h_position,
528 uint32_t *v_position);
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529
530/*
ab2541b6 531 * Structure to store surface/stream associations for validation
4562236b
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532 */
533struct dc_validation_set {
ab2541b6 534 const struct dc_stream *stream;
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535 const struct dc_surface *surfaces[MAX_SURFACES];
536 uint8_t surface_count;
537};
538
539/*
540 * This function takes a set of resources and checks that they are cofunctional.
541 *
542 * After this call:
543 * No hardware is programmed for call. Only validation is done.
544 */
07d72b39
HW
545struct validate_context *dc_get_validate_context(
546 const struct dc *dc,
547 const struct dc_validation_set set[],
548 uint8_t set_count);
549
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HW
550bool dc_validate_resources(
551 const struct dc *dc,
552 const struct dc_validation_set set[],
553 uint8_t set_count);
554
555/*
ab2541b6
AC
556 * This function takes a stream and checks if it is guaranteed to be supported.
557 * Guaranteed means that MAX_COFUNC similar streams are supported.
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HW
558 *
559 * After this call:
560 * No hardware is programmed for call. Only validation is done.
561 */
562
563bool dc_validate_guaranteed(
564 const struct dc *dc,
ab2541b6 565 const struct dc_stream *stream);
4562236b 566
8122a253
HW
567void dc_resource_validate_ctx_copy_construct(
568 const struct validate_context *src_ctx,
569 struct validate_context *dst_ctx);
570
571void dc_resource_validate_ctx_destruct(struct validate_context *context);
572
4562236b 573/*
ab2541b6
AC
574 * Set up streams and links associated to drive sinks
575 * The streams parameter is an absolute set of all active streams.
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HW
576 *
577 * After this call:
578 * Phy, Encoder, Timing Generator are programmed and enabled.
ab2541b6 579 * New streams are enabled with blank stream; no memory read.
4562236b 580 */
ab2541b6 581bool dc_commit_streams(
4562236b 582 struct dc *dc,
ab2541b6
AC
583 const struct dc_stream *streams[],
584 uint8_t stream_count);
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HW
585
586/**
587 * Create a new default stream for the requested sink
588 */
589struct dc_stream *dc_create_stream_for_sink(const struct dc_sink *dc_sink);
590
591void dc_stream_retain(const struct dc_stream *dc_stream);
592void dc_stream_release(const struct dc_stream *dc_stream);
593
594struct dc_stream_status {
ab2541b6
AC
595 int primary_otg_inst;
596 int surface_count;
597 const struct dc_surface *surfaces[MAX_SURFACE_NUM];
598
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HW
599 /*
600 * link this stream passes through
601 */
602 const struct dc_link *link;
603};
604
605const struct dc_stream_status *dc_stream_get_status(
606 const struct dc_stream *dc_stream);
607
5869b0f6
LE
608enum surface_update_type dc_check_update_surfaces_for_stream(
609 struct dc *dc,
610 struct dc_surface_update *updates,
611 int surface_count,
ee8f63e1 612 struct dc_stream_update *stream_update,
5869b0f6
LE
613 const struct dc_stream_status *stream_status);
614
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HW
615/*******************************************************************************
616 * Link Interfaces
617 ******************************************************************************/
618
619/*
620 * A link contains one or more sinks and their connected status.
621 * The currently active signal type (HDMI, DP-SST, DP-MST) is also reported.
622 */
623struct dc_link {
624 const struct dc_sink *remote_sinks[MAX_SINKS_PER_LINK];
625 unsigned int sink_count;
626 const struct dc_sink *local_sink;
627 unsigned int link_index;
628 enum dc_connection_type type;
629 enum signal_type connector_signal;
630 enum dc_irq_source irq_source_hpd;
631 enum dc_irq_source irq_source_hpd_rx;/* aka DP Short Pulse */
632 /* caps is the same as reported_link_cap. link_traing use
633 * reported_link_cap. Will clean up. TODO
634 */
635 struct dc_link_settings reported_link_cap;
636 struct dc_link_settings verified_link_cap;
637 struct dc_link_settings max_link_setting;
638 struct dc_link_settings cur_link_settings;
639 struct dc_lane_settings cur_lane_setting;
640
641 uint8_t ddc_hw_inst;
642 uint8_t link_enc_hw_inst;
643
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HW
644 bool test_pattern_enabled;
645 union compliance_test_state compliance_test_state;
9fb8de78
AG
646
647 void *priv;
7c7f5b15 648 bool aux_mode;
46df790c
AG
649
650 struct ddc_service *ddc;
4562236b
HW
651};
652
653struct dpcd_caps {
654 union dpcd_rev dpcd_rev;
655 union max_lane_count max_ln_count;
656 union max_down_spread max_down_spread;
657
658 /* dongle type (DP converter, CV smart dongle) */
659 enum display_dongle_type dongle_type;
660 /* Dongle's downstream count. */
661 union sink_count sink_count;
662 /* If dongle_type == DISPLAY_DONGLE_DP_HDMI_CONVERTER,
663 indicates 'Frame Sequential-to-lllFrame Pack' conversion capability.*/
03f5c686 664 struct dc_dongle_caps dongle_caps;
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665
666 bool allow_invalid_MSA_timing_param;
667 bool panel_mode_edp;
668 uint32_t sink_dev_id;
669 uint32_t branch_dev_id;
670 int8_t branch_dev_name[6];
671 int8_t branch_hw_revision;
672};
673
674struct dc_link_status {
675 struct dpcd_caps *dpcd_caps;
676};
677
678const struct dc_link_status *dc_link_get_status(const struct dc_link *dc_link);
679
680/*
681 * Return an enumerated dc_link. dc_link order is constant and determined at
682 * boot time. They cannot be created or destroyed.
683 * Use dc_get_caps() to get number of links.
684 */
685const struct dc_link *dc_get_link_at_index(const struct dc *dc, uint32_t link_index);
686
687/* Return id of physical connector represented by a dc_link at link_index.*/
688const struct graphics_object_id dc_get_link_id_at_index(
689 struct dc *dc, uint32_t link_index);
690
691/* Set backlight level of an embedded panel (eDP, LVDS). */
692bool dc_link_set_backlight_level(const struct dc_link *dc_link, uint32_t level,
693 uint32_t frame_ramp, const struct dc_stream *stream);
694
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695bool dc_link_set_psr_enable(const struct dc_link *dc_link, bool enable);
696
697bool dc_link_setup_psr(const struct dc_link *dc_link,
94267b3d 698 const struct dc_stream *stream, struct psr_config *psr_config);
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699
700/* Request DC to detect if there is a Panel connected.
701 * boot - If this call is during initial boot.
702 * Return false for any type of detection failure or MST detection
703 * true otherwise. True meaning further action is required (status update
704 * and OS notification).
705 */
706bool dc_link_detect(const struct dc_link *dc_link, bool boot);
707
708/* Notify DC about DP RX Interrupt (aka Short Pulse Interrupt).
709 * Return:
710 * true - Downstream port status changed. DM should call DC to do the
711 * detection.
712 * false - no change in Downstream port status. No further action required
713 * from DM. */
714bool dc_link_handle_hpd_rx_irq(const struct dc_link *dc_link);
715
716struct dc_sink_init_data;
717
718struct dc_sink *dc_link_add_remote_sink(
719 const struct dc_link *dc_link,
720 const uint8_t *edid,
721 int len,
722 struct dc_sink_init_data *init_data);
723
724void dc_link_remove_remote_sink(
725 const struct dc_link *link,
726 const struct dc_sink *sink);
727
728/* Used by diagnostics for virtual link at the moment */
729void dc_link_set_sink(const struct dc_link *link, struct dc_sink *sink);
730
731void dc_link_dp_set_drive_settings(
d27383a2 732 const struct dc_link *link,
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733 struct link_training_settings *lt_settings);
734
735bool dc_link_dp_perform_link_training(
736 struct dc_link *link,
737 const struct dc_link_settings *link_setting,
738 bool skip_video_pattern);
739
740void dc_link_dp_enable_hpd(const struct dc_link *link);
741
742void dc_link_dp_disable_hpd(const struct dc_link *link);
743
744bool dc_link_dp_set_test_pattern(
745 const struct dc_link *link,
746 enum dp_test_pattern test_pattern,
747 const struct link_training_settings *p_link_settings,
748 const unsigned char *p_custom_pattern,
749 unsigned int cust_pattern_size);
750
751/*******************************************************************************
752 * Sink Interfaces - A sink corresponds to a display output device
753 ******************************************************************************/
754
8c895313 755struct dc_container_id {
756 // 128bit GUID in binary form
757 unsigned char guid[16];
758 // 8 byte port ID -> ELD.PortID
759 unsigned int portId[2];
760 // 128bit GUID in binary formufacturer name -> ELD.ManufacturerName
761 unsigned short manufacturerName;
762 // 2 byte product code -> ELD.ProductCode
763 unsigned short productCode;
764};
765
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766/*
767 * The sink structure contains EDID and other display device properties
768 */
769struct dc_sink {
770 enum signal_type sink_signal;
771 struct dc_edid dc_edid; /* raw edid */
772 struct dc_edid_caps edid_caps; /* parse display caps */
8c895313 773 struct dc_container_id *dc_container_id;
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774 uint32_t dongle_max_pix_clk;
775 bool converter_disable_audio;
5c4e9806 776 void *priv;
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777};
778
779void dc_sink_retain(const struct dc_sink *sink);
780void dc_sink_release(const struct dc_sink *sink);
781
782const struct audio **dc_get_audios(struct dc *dc);
783
784struct dc_sink_init_data {
785 enum signal_type sink_signal;
786 const struct dc_link *link;
787 uint32_t dongle_max_pix_clk;
788 bool converter_disable_audio;
789};
790
791struct dc_sink *dc_sink_create(const struct dc_sink_init_data *init_params);
8c895313 792bool dc_sink_get_container_id(struct dc_sink *dc_sink, struct dc_container_id *container_id);
793bool dc_sink_set_container_id(struct dc_sink *dc_sink, const struct dc_container_id *container_id);
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794
795/*******************************************************************************
ab2541b6 796 * Cursor interfaces - To manages the cursor within a stream
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797 ******************************************************************************/
798/* TODO: Deprecated once we switch to dc_set_cursor_position */
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799bool dc_stream_set_cursor_attributes(
800 const struct dc_stream *stream,
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801 const struct dc_cursor_attributes *attributes);
802
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803bool dc_stream_set_cursor_position(
804 const struct dc_stream *stream,
beb16b6a 805 const struct dc_cursor_position *position);
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806
807/* Newer interfaces */
808struct dc_cursor {
809 struct dc_plane_address address;
810 struct dc_cursor_attributes attributes;
811};
812
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813/*******************************************************************************
814 * Interrupt interfaces
815 ******************************************************************************/
816enum dc_irq_source dc_interrupt_to_irq_source(
817 struct dc *dc,
818 uint32_t src_id,
819 uint32_t ext_id);
820void dc_interrupt_set(const struct dc *dc, enum dc_irq_source src, bool enable);
821void dc_interrupt_ack(struct dc *dc, enum dc_irq_source src);
822enum dc_irq_source dc_get_hpd_irq_source_at_index(
823 struct dc *dc, uint32_t link_index);
824
825/*******************************************************************************
826 * Power Interfaces
827 ******************************************************************************/
828
829void dc_set_power_state(
830 struct dc *dc,
a3621485 831 enum dc_acpi_cm_power_state power_state);
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832void dc_resume(const struct dc *dc);
833
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834/*
835 * DPCD access interfaces
836 */
837
7c7f5b15 838bool dc_read_aux_dpcd(
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839 struct dc *dc,
840 uint32_t link_index,
841 uint32_t address,
842 uint8_t *data,
843 uint32_t size);
844
7c7f5b15 845bool dc_write_aux_dpcd(
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846 struct dc *dc,
847 uint32_t link_index,
848 uint32_t address,
849 const uint8_t *data,
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850 uint32_t size);
851
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852bool dc_read_aux_i2c(
853 struct dc *dc,
854 uint32_t link_index,
855 enum i2c_mot_mode mot,
856 uint32_t address,
857 uint8_t *data,
858 uint32_t size);
859
860bool dc_write_aux_i2c(
861 struct dc *dc,
862 uint32_t link_index,
863 enum i2c_mot_mode mot,
864 uint32_t address,
865 const uint8_t *data,
866 uint32_t size);
867
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868bool dc_query_ddc_data(
869 struct dc *dc,
870 uint32_t link_index,
871 uint32_t address,
872 uint8_t *write_buf,
873 uint32_t write_size,
874 uint8_t *read_buf,
875 uint32_t read_size);
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876
877bool dc_submit_i2c(
878 struct dc *dc,
879 uint32_t link_index,
880 struct i2c_command *cmd);
881
5e7773a2 882
4562236b 883#endif /* DC_INTERFACE_H_ */