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1/*
2 * Copyright 2018 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#include "mod_info_packet.h"
27#include "core_types.h"
28#include "dc_types.h"
29#include "mod_shared.h"
30#include "mod_freesync.h"
31#include "dc.h"
32
33enum vsc_packet_revision {
34 vsc_packet_undefined = 0,
35 //01h = VSC SDP supports only 3D stereo.
36 vsc_packet_rev1 = 1,
37 //02h = 3D stereo + PSR.
38 vsc_packet_rev2 = 2,
39 //03h = 3D stereo + PSR2.
40 vsc_packet_rev3 = 3,
41 //04h = 3D stereo + PSR/PSR2 + Y-coordinate.
42 vsc_packet_rev4 = 4,
43 //05h = 3D stereo + PSR/PSR2 + Y-coordinate + Pixel Encoding/Colorimetry Format
44 vsc_packet_rev5 = 5,
45};
46
47#define HDMI_INFOFRAME_TYPE_VENDOR 0x81
48#define HF_VSIF_VERSION 1
49
50// VTEM Byte Offset
51#define VTEM_PB0 0
52#define VTEM_PB1 1
53#define VTEM_PB2 2
54#define VTEM_PB3 3
55#define VTEM_PB4 4
56#define VTEM_PB5 5
57#define VTEM_PB6 6
58
59#define VTEM_MD0 7
60#define VTEM_MD1 8
61#define VTEM_MD2 9
62#define VTEM_MD3 10
63
64
65// VTEM Byte Masks
66//PB0
67#define MASK_VTEM_PB0__RESERVED0 0x01
68#define MASK_VTEM_PB0__SYNC 0x02
69#define MASK_VTEM_PB0__VFR 0x04
70#define MASK_VTEM_PB0__AFR 0x08
71#define MASK_VTEM_PB0__DS_TYPE 0x30
72 //0: Periodic pseudo-static EM Data Set
73 //1: Periodic dynamic EM Data Set
74 //2: Unique EM Data Set
75 //3: Reserved
76#define MASK_VTEM_PB0__END 0x40
77#define MASK_VTEM_PB0__NEW 0x80
78
79//PB1
80#define MASK_VTEM_PB1__RESERVED1 0xFF
81
82//PB2
83#define MASK_VTEM_PB2__ORGANIZATION_ID 0xFF
84 //0: This is a Vendor Specific EM Data Set
85 //1: This EM Data Set is defined by This Specification (HDMI 2.1 r102.clean)
86 //2: This EM Data Set is defined by CTA-861-G
87 //3: This EM Data Set is defined by VESA
88//PB3
89#define MASK_VTEM_PB3__DATA_SET_TAG_MSB 0xFF
90//PB4
91#define MASK_VTEM_PB4__DATA_SET_TAG_LSB 0xFF
92//PB5
93#define MASK_VTEM_PB5__DATA_SET_LENGTH_MSB 0xFF
94//PB6
95#define MASK_VTEM_PB6__DATA_SET_LENGTH_LSB 0xFF
96
97
98
99//PB7-27 (20 bytes):
100//PB7 = MD0
101#define MASK_VTEM_MD0__VRR_EN 0x01
102#define MASK_VTEM_MD0__M_CONST 0x02
103#define MASK_VTEM_MD0__QMS_EN 0x04
104#define MASK_VTEM_MD0__RESERVED2 0x08
105#define MASK_VTEM_MD0__FVA_FACTOR_M1 0xF0
106
107//MD1
108#define MASK_VTEM_MD1__BASE_VFRONT 0xFF
109
110//MD2
111#define MASK_VTEM_MD2__BASE_REFRESH_RATE_98 0x03
112#define MASK_VTEM_MD2__RB 0x04
113#define MASK_VTEM_MD2__NEXT_TFR 0xF8
114
115//MD3
116#define MASK_VTEM_MD3__BASE_REFRESH_RATE_07 0xFF
117
118enum ColorimetryRGBDP {
119 ColorimetryRGB_DP_sRGB = 0,
120 ColorimetryRGB_DP_AdobeRGB = 3,
121 ColorimetryRGB_DP_P3 = 4,
122 ColorimetryRGB_DP_CustomColorProfile = 5,
123 ColorimetryRGB_DP_ITU_R_BT2020RGB = 6,
124};
125enum ColorimetryYCCDP {
126 ColorimetryYCC_DP_ITU601 = 0,
127 ColorimetryYCC_DP_ITU709 = 1,
128 ColorimetryYCC_DP_AdobeYCC = 5,
129 ColorimetryYCC_DP_ITU2020YCC = 6,
130 ColorimetryYCC_DP_ITU2020YCbCr = 7,
131};
132
133void mod_build_vsc_infopacket(const struct dc_stream_state *stream,
134 struct dc_info_packet *info_packet,
135 enum dc_color_space cs,
136 enum color_transfer_func tf)
137{
138 unsigned int vsc_packet_revision = vsc_packet_undefined;
139 unsigned int i;
140 unsigned int pixelEncoding = 0;
141 unsigned int colorimetryFormat = 0;
142 bool stereo3dSupport = false;
143
144 if (stream->timing.timing_3d_format != TIMING_3D_FORMAT_NONE && stream->view_format != VIEW_3D_FORMAT_NONE) {
145 vsc_packet_revision = vsc_packet_rev1;
146 stereo3dSupport = true;
147 }
148
149 /* VSC packet set to 4 for PSR-SU, or 2 for PSR1 */
150 if (stream->link->psr_settings.psr_version == DC_PSR_VERSION_SU_1)
151 vsc_packet_revision = vsc_packet_rev4;
152 else if (stream->link->replay_settings.config.replay_supported)
153 vsc_packet_revision = vsc_packet_rev4;
154 else if (stream->link->psr_settings.psr_version == DC_PSR_VERSION_1)
155 vsc_packet_revision = vsc_packet_rev2;
156
157 /* Update to revision 5 for extended colorimetry support */
158 if (stream->use_vsc_sdp_for_colorimetry)
159 vsc_packet_revision = vsc_packet_rev5;
160
161 /* VSC packet not needed based on the features
162 * supported by this DP display
163 */
164 if (vsc_packet_revision == vsc_packet_undefined)
165 return;
166
167 if (vsc_packet_revision == vsc_packet_rev4) {
168 /* Secondary-data Packet ID = 0*/
169 info_packet->hb0 = 0x00;
170 /* 07h - Packet Type Value indicating Video
171 * Stream Configuration packet
172 */
173 info_packet->hb1 = 0x07;
174 /* 04h = VSC SDP supporting 3D stereo + PSR/PSR2 + Y-coordinate
175 * (applies to eDP v1.4 or higher).
176 */
177 info_packet->hb2 = 0x04;
178 /* 0Eh = VSC SDP supporting 3D stereo + PSR2
179 * (HB2 = 04h), with Y-coordinate of first scan
180 * line of the SU region
181 */
182 info_packet->hb3 = 0x0E;
183
184 for (i = 0; i < 28; i++)
185 info_packet->sb[i] = 0;
186
187 info_packet->valid = true;
188 }
189
190 if (vsc_packet_revision == vsc_packet_rev2) {
191 /* Secondary-data Packet ID = 0*/
192 info_packet->hb0 = 0x00;
193 /* 07h - Packet Type Value indicating Video
194 * Stream Configuration packet
195 */
196 info_packet->hb1 = 0x07;
197 /* 02h = VSC SDP supporting 3D stereo and PSR
198 * (applies to eDP v1.3 or higher).
199 */
200 info_packet->hb2 = 0x02;
201 /* 08h = VSC packet supporting 3D stereo + PSR
202 * (HB2 = 02h).
203 */
204 info_packet->hb3 = 0x08;
205
206 for (i = 0; i < 28; i++)
207 info_packet->sb[i] = 0;
208
209 info_packet->valid = true;
210 }
211
212 if (vsc_packet_revision == vsc_packet_rev1) {
213
214 info_packet->hb0 = 0x00; // Secondary-data Packet ID = 0
215 info_packet->hb1 = 0x07; // 07h = Packet Type Value indicating Video Stream Configuration packet
216 info_packet->hb2 = 0x01; // 01h = Revision number. VSC SDP supporting 3D stereo only
217 info_packet->hb3 = 0x01; // 01h = VSC SDP supporting 3D stereo only (HB2 = 01h).
218
219 info_packet->valid = true;
220 }
221
222 if (stereo3dSupport) {
223 /* ==============================================================================================================|
224 * A. STEREO 3D
225 * ==============================================================================================================|
226 * VSC Payload (1 byte) From DP1.2 spec
227 *
228 * Bits 3:0 (Stereo Interface Method Code) | Bits 7:4 (Stereo Interface Method Specific Parameter)
229 * -----------------------------------------------------------------------------------------------------
230 * 0 = Non Stereo Video | Must be set to 0x0
231 * -----------------------------------------------------------------------------------------------------
232 * 1 = Frame/Field Sequential | 0x0: L + R view indication based on MISC1 bit 2:1
233 * | 0x1: Right when Stereo Signal = 1
234 * | 0x2: Left when Stereo Signal = 1
235 * | (others reserved)
236 * -----------------------------------------------------------------------------------------------------
237 * 2 = Stacked Frame | 0x0: Left view is on top and right view on bottom
238 * | (others reserved)
239 * -----------------------------------------------------------------------------------------------------
240 * 3 = Pixel Interleaved | 0x0: horiz interleaved, right view pixels on even lines
241 * | 0x1: horiz interleaved, right view pixels on odd lines
242 * | 0x2: checker board, start with left view pixel
243 * | 0x3: vertical interleaved, start with left view pixels
244 * | 0x4: vertical interleaved, start with right view pixels
245 * | (others reserved)
246 * -----------------------------------------------------------------------------------------------------
247 * 4 = Side-by-side | 0x0: left half represents left eye view
248 * | 0x1: left half represents right eye view
249 */
250 switch (stream->timing.timing_3d_format) {
251 case TIMING_3D_FORMAT_HW_FRAME_PACKING:
252 case TIMING_3D_FORMAT_SW_FRAME_PACKING:
253 case TIMING_3D_FORMAT_TOP_AND_BOTTOM:
254 case TIMING_3D_FORMAT_TB_SW_PACKED:
255 info_packet->sb[0] = 0x02; // Stacked Frame, Left view is on top and right view on bottom.
256 break;
257 case TIMING_3D_FORMAT_DP_HDMI_INBAND_FA:
258 case TIMING_3D_FORMAT_INBAND_FA:
259 info_packet->sb[0] = 0x01; // Frame/Field Sequential, L + R view indication based on MISC1 bit 2:1
260 break;
261 case TIMING_3D_FORMAT_SIDE_BY_SIDE:
262 case TIMING_3D_FORMAT_SBS_SW_PACKED:
263 info_packet->sb[0] = 0x04; // Side-by-side
264 break;
265 default:
266 info_packet->sb[0] = 0x00; // No Stereo Video, Shall be cleared to 0x0.
267 break;
268 }
269
270 }
271
272 /* 05h = VSC SDP supporting 3D stereo, PSR2, and Pixel Encoding/Colorimetry Format indication.
273 * Added in DP1.3, a DP Source device is allowed to indicate the pixel encoding/colorimetry
274 * format to the DP Sink device with VSC SDP only when the DP Sink device supports it
275 * (i.e., VSC_SDP_EXTENSION_FOR_COLORIMETRY_SUPPORTED bit in the DPRX_FEATURE_ENUMERATION_LIST
276 * register (DPCD Address 02210h, bit 3) is set to 1).
277 * (Requires VSC_SDP_EXTENSION_FOR_COLORIMETRY_SUPPORTED bit set to 1 in DPCD 02210h. This
278 * DPCD register is exposed in the new Extended Receiver Capability field for DPCD Rev. 1.4
279 * (and higher). When MISC1. bit 6. is Set to 1, a Source device uses a VSC SDP to indicate
280 * the Pixel Encoding/Colorimetry Format and that a Sink device must ignore MISC1, bit 7, and
281 * MISC0, bits 7:1 (MISC1, bit 7. and MISC0, bits 7:1 become "don't care").)
282 */
283 if (vsc_packet_revision == vsc_packet_rev5) {
284 /* Secondary-data Packet ID = 0 */
285 info_packet->hb0 = 0x00;
286 /* 07h - Packet Type Value indicating Video Stream Configuration packet */
287 info_packet->hb1 = 0x07;
288 /* 05h = VSC SDP supporting 3D stereo, PSR2, and Pixel Encoding/Colorimetry Format indication. */
289 info_packet->hb2 = 0x05;
290 /* 13h = VSC SDP supporting 3D stereo, + PSR2, + Pixel Encoding/Colorimetry Format indication (HB2 = 05h). */
291 info_packet->hb3 = 0x13;
292
293 info_packet->valid = true;
294
295 /* Set VSC SDP fields for pixel encoding and colorimetry format from DP 1.3 specs
296 * Data Bytes DB 18~16
297 * Bits 3:0 (Colorimetry Format) | Bits 7:4 (Pixel Encoding)
298 * ----------------------------------------------------------------------------------------------------
299 * 0x0 = sRGB | 0 = RGB
300 * 0x1 = RGB Wide Gamut Fixed Point
301 * 0x2 = RGB Wide Gamut Floating Point
302 * 0x3 = AdobeRGB
303 * 0x4 = DCI-P3
304 * 0x5 = CustomColorProfile
305 * (others reserved)
306 * ----------------------------------------------------------------------------------------------------
307 * 0x0 = ITU-R BT.601 | 1 = YCbCr444
308 * 0x1 = ITU-R BT.709
309 * 0x2 = xvYCC601
310 * 0x3 = xvYCC709
311 * 0x4 = sYCC601
312 * 0x5 = AdobeYCC601
313 * 0x6 = ITU-R BT.2020 Y'cC'bcC'rc
314 * 0x7 = ITU-R BT.2020 Y'C'bC'r
315 * (others reserved)
316 * ----------------------------------------------------------------------------------------------------
317 * 0x0 = ITU-R BT.601 | 2 = YCbCr422
318 * 0x1 = ITU-R BT.709
319 * 0x2 = xvYCC601
320 * 0x3 = xvYCC709
321 * 0x4 = sYCC601
322 * 0x5 = AdobeYCC601
323 * 0x6 = ITU-R BT.2020 Y'cC'bcC'rc
324 * 0x7 = ITU-R BT.2020 Y'C'bC'r
325 * (others reserved)
326 * ----------------------------------------------------------------------------------------------------
327 * 0x0 = ITU-R BT.601 | 3 = YCbCr420
328 * 0x1 = ITU-R BT.709
329 * 0x2 = xvYCC601
330 * 0x3 = xvYCC709
331 * 0x4 = sYCC601
332 * 0x5 = AdobeYCC601
333 * 0x6 = ITU-R BT.2020 Y'cC'bcC'rc
334 * 0x7 = ITU-R BT.2020 Y'C'bC'r
335 * (others reserved)
336 * ----------------------------------------------------------------------------------------------------
337 * 0x0 =DICOM Part14 Grayscale | 4 = Yonly
338 * Display Function
339 * (others reserved)
340 */
341
342 /* Set Pixel Encoding */
343 switch (stream->timing.pixel_encoding) {
344 case PIXEL_ENCODING_RGB:
345 pixelEncoding = 0x0; /* RGB = 0h */
346 break;
347 case PIXEL_ENCODING_YCBCR444:
348 pixelEncoding = 0x1; /* YCbCr444 = 1h */
349 break;
350 case PIXEL_ENCODING_YCBCR422:
351 pixelEncoding = 0x2; /* YCbCr422 = 2h */
352 break;
353 case PIXEL_ENCODING_YCBCR420:
354 pixelEncoding = 0x3; /* YCbCr420 = 3h */
355 break;
356 default:
357 pixelEncoding = 0x0; /* default RGB = 0h */
358 break;
359 }
360
361 /* Set Colorimetry format based on pixel encoding */
362 switch (stream->timing.pixel_encoding) {
363 case PIXEL_ENCODING_RGB:
364 if ((cs == COLOR_SPACE_SRGB) ||
365 (cs == COLOR_SPACE_SRGB_LIMITED))
366 colorimetryFormat = ColorimetryRGB_DP_sRGB;
367 else if (cs == COLOR_SPACE_ADOBERGB)
368 colorimetryFormat = ColorimetryRGB_DP_AdobeRGB;
369 else if ((cs == COLOR_SPACE_2020_RGB_FULLRANGE) ||
370 (cs == COLOR_SPACE_2020_RGB_LIMITEDRANGE))
371 colorimetryFormat = ColorimetryRGB_DP_ITU_R_BT2020RGB;
372 break;
373
374 case PIXEL_ENCODING_YCBCR444:
375 case PIXEL_ENCODING_YCBCR422:
376 case PIXEL_ENCODING_YCBCR420:
377 /* Note: xvYCC probably not supported correctly here on DP since colorspace translation
378 * loses distinction between BT601 vs xvYCC601 in translation
379 */
380 if (cs == COLOR_SPACE_YCBCR601)
381 colorimetryFormat = ColorimetryYCC_DP_ITU601;
382 else if (cs == COLOR_SPACE_YCBCR709)
383 colorimetryFormat = ColorimetryYCC_DP_ITU709;
384 else if (cs == COLOR_SPACE_ADOBERGB)
385 colorimetryFormat = ColorimetryYCC_DP_AdobeYCC;
386 else if (cs == COLOR_SPACE_2020_YCBCR)
387 colorimetryFormat = ColorimetryYCC_DP_ITU2020YCbCr;
388
389 if (cs == COLOR_SPACE_2020_YCBCR && tf == TRANSFER_FUNC_GAMMA_22)
390 colorimetryFormat = ColorimetryYCC_DP_ITU709;
391 break;
392
393 default:
394 colorimetryFormat = ColorimetryRGB_DP_sRGB;
395 break;
396 }
397
398 info_packet->sb[16] = (pixelEncoding << 4) | colorimetryFormat;
399
400 /* Set color depth */
401 switch (stream->timing.display_color_depth) {
402 case COLOR_DEPTH_666:
403 /* NOTE: This is actually not valid for YCbCr pixel encoding to have 6 bpc
404 * as of DP1.4 spec, but value of 0 probably reserved here for potential future use.
405 */
406 info_packet->sb[17] = 0;
407 break;
408 case COLOR_DEPTH_888:
409 info_packet->sb[17] = 1;
410 break;
411 case COLOR_DEPTH_101010:
412 info_packet->sb[17] = 2;
413 break;
414 case COLOR_DEPTH_121212:
415 info_packet->sb[17] = 3;
416 break;
417 /*case COLOR_DEPTH_141414: -- NO SUCH FORMAT IN DP SPEC */
418 case COLOR_DEPTH_161616:
419 info_packet->sb[17] = 4;
420 break;
421 default:
422 info_packet->sb[17] = 0;
423 break;
424 }
425
426 /* all YCbCr are always limited range */
427 if ((cs == COLOR_SPACE_SRGB_LIMITED) ||
428 (cs == COLOR_SPACE_2020_RGB_LIMITEDRANGE) ||
429 (pixelEncoding != 0x0)) {
430 info_packet->sb[17] |= 0x80; /* DB17 bit 7 set to 1 for CEA timing. */
431 }
432
433 /* Content Type (Bits 2:0)
434 * 0 = Not defined.
435 * 1 = Graphics.
436 * 2 = Photo.
437 * 3 = Video.
438 * 4 = Game.
439 */
440 info_packet->sb[18] = 0;
441 }
442}
443
444/**
445 * mod_build_hf_vsif_infopacket - Prepare HDMI Vendor Specific info frame.
446 * Follows HDMI Spec to build up Vendor Specific info frame
447 *
448 * @stream: contains data we may need to construct VSIF (i.e. timing_3d_format, etc.)
449 * @info_packet: output structure where to store VSIF
450 */
451void mod_build_hf_vsif_infopacket(const struct dc_stream_state *stream,
452 struct dc_info_packet *info_packet)
453{
454 unsigned int length = 5;
455 bool hdmi_vic_mode = false;
456 uint8_t checksum = 0;
457 uint32_t i = 0;
458 enum dc_timing_3d_format format;
459
460 info_packet->valid = false;
461 format = stream->timing.timing_3d_format;
462 if (stream->view_format == VIEW_3D_FORMAT_NONE)
463 format = TIMING_3D_FORMAT_NONE;
464
465 if (stream->timing.hdmi_vic != 0
466 && stream->timing.h_total >= 3840
467 && stream->timing.v_total >= 2160
468 && format == TIMING_3D_FORMAT_NONE)
469 hdmi_vic_mode = true;
470
471 if ((format == TIMING_3D_FORMAT_NONE) && !hdmi_vic_mode)
472 return;
473
474 info_packet->sb[1] = 0x03;
475 info_packet->sb[2] = 0x0C;
476 info_packet->sb[3] = 0x00;
477
478 if (format != TIMING_3D_FORMAT_NONE)
479 info_packet->sb[4] = (2 << 5);
480
481 else if (hdmi_vic_mode)
482 info_packet->sb[4] = (1 << 5);
483
484 switch (format) {
485 case TIMING_3D_FORMAT_HW_FRAME_PACKING:
486 case TIMING_3D_FORMAT_SW_FRAME_PACKING:
487 info_packet->sb[5] = (0x0 << 4);
488 break;
489
490 case TIMING_3D_FORMAT_SIDE_BY_SIDE:
491 case TIMING_3D_FORMAT_SBS_SW_PACKED:
492 info_packet->sb[5] = (0x8 << 4);
493 length = 6;
494 break;
495
496 case TIMING_3D_FORMAT_TOP_AND_BOTTOM:
497 case TIMING_3D_FORMAT_TB_SW_PACKED:
498 info_packet->sb[5] = (0x6 << 4);
499 break;
500
501 default:
502 break;
503 }
504
505 if (hdmi_vic_mode)
506 info_packet->sb[5] = stream->timing.hdmi_vic;
507
508 info_packet->hb0 = HDMI_INFOFRAME_TYPE_VENDOR;
509 info_packet->hb1 = 0x01;
510 info_packet->hb2 = (uint8_t) (length);
511
512 checksum += info_packet->hb0;
513 checksum += info_packet->hb1;
514 checksum += info_packet->hb2;
515
516 for (i = 1; i <= length; i++)
517 checksum += info_packet->sb[i];
518
519 info_packet->sb[0] = (uint8_t) (0x100 - checksum);
520
521 info_packet->valid = true;
522}
523
524void mod_build_adaptive_sync_infopacket(const struct dc_stream_state *stream,
525 enum adaptive_sync_type asType,
526 const struct AS_Df_params *param,
527 struct dc_info_packet *info_packet)
528{
529 info_packet->valid = false;
530
531 memset(info_packet, 0, sizeof(struct dc_info_packet));
532
533 switch (asType) {
534 case ADAPTIVE_SYNC_TYPE_DP:
535 if (stream != NULL)
536 mod_build_adaptive_sync_infopacket_v2(stream, param, info_packet);
537 break;
538 case FREESYNC_TYPE_PCON_IN_WHITELIST:
539 mod_build_adaptive_sync_infopacket_v1(info_packet);
540 break;
541 case ADAPTIVE_SYNC_TYPE_EDP:
542 mod_build_adaptive_sync_infopacket_v1(info_packet);
543 break;
544 case ADAPTIVE_SYNC_TYPE_NONE:
545 case FREESYNC_TYPE_PCON_NOT_IN_WHITELIST:
546 default:
547 break;
548 }
549}
550
551void mod_build_adaptive_sync_infopacket_v1(struct dc_info_packet *info_packet)
552{
553 info_packet->valid = true;
554 // HEADER {HB0, HB1, HB2, HB3} = {00, Type, Version, Length}
555 info_packet->hb0 = 0x00;
556 info_packet->hb1 = 0x22;
557 info_packet->hb2 = AS_SDP_VER_1;
558 info_packet->hb3 = 0x00;
559}
560
561void mod_build_adaptive_sync_infopacket_v2(const struct dc_stream_state *stream,
562 const struct AS_Df_params *param,
563 struct dc_info_packet *info_packet)
564{
565 info_packet->valid = true;
566 // HEADER {HB0, HB1, HB2, HB3} = {00, Type, Version, Length}
567 info_packet->hb0 = 0x00;
568 info_packet->hb1 = 0x22;
569 info_packet->hb2 = AS_SDP_VER_2;
570 info_packet->hb3 = AS_DP_SDP_LENGTH;
571
572 //Payload
573 info_packet->sb[0] = param->supportMode; //1: AVT; 0: FAVT
574 info_packet->sb[1] = (stream->timing.v_total & 0x00FF);
575 info_packet->sb[2] = (stream->timing.v_total & 0xFF00) >> 8;
576 //info_packet->sb[3] = 0x00; Target RR, not use fot AVT
577 info_packet->sb[4] = (param->increase.support << 6 | param->decrease.support << 7);
578 info_packet->sb[5] = param->increase.frame_duration_hex;
579 info_packet->sb[6] = param->decrease.frame_duration_hex;
580}
581
1/*
2 * Copyright 2018 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#include "mod_info_packet.h"
27#include "core_types.h"
28#include "dc_types.h"
29#include "mod_shared.h"
30#include "mod_freesync.h"
31#include "dc.h"
32
33enum vsc_packet_revision {
34 vsc_packet_undefined = 0,
35 //01h = VSC SDP supports only 3D stereo.
36 vsc_packet_rev1 = 1,
37 //02h = 3D stereo + PSR.
38 vsc_packet_rev2 = 2,
39 //03h = 3D stereo + PSR2.
40 vsc_packet_rev3 = 3,
41 //04h = 3D stereo + PSR/PSR2 + Y-coordinate.
42 vsc_packet_rev4 = 4,
43 //05h = 3D stereo + PSR/PSR2 + Y-coordinate + Pixel Encoding/Colorimetry Format
44 vsc_packet_rev5 = 5,
45};
46
47#define HDMI_INFOFRAME_TYPE_VENDOR 0x81
48#define HF_VSIF_VERSION 1
49
50// VTEM Byte Offset
51#define VTEM_PB0 0
52#define VTEM_PB1 1
53#define VTEM_PB2 2
54#define VTEM_PB3 3
55#define VTEM_PB4 4
56#define VTEM_PB5 5
57#define VTEM_PB6 6
58
59#define VTEM_MD0 7
60#define VTEM_MD1 8
61#define VTEM_MD2 9
62#define VTEM_MD3 10
63
64
65// VTEM Byte Masks
66//PB0
67#define MASK_VTEM_PB0__RESERVED0 0x01
68#define MASK_VTEM_PB0__SYNC 0x02
69#define MASK_VTEM_PB0__VFR 0x04
70#define MASK_VTEM_PB0__AFR 0x08
71#define MASK_VTEM_PB0__DS_TYPE 0x30
72 //0: Periodic pseudo-static EM Data Set
73 //1: Periodic dynamic EM Data Set
74 //2: Unique EM Data Set
75 //3: Reserved
76#define MASK_VTEM_PB0__END 0x40
77#define MASK_VTEM_PB0__NEW 0x80
78
79//PB1
80#define MASK_VTEM_PB1__RESERVED1 0xFF
81
82//PB2
83#define MASK_VTEM_PB2__ORGANIZATION_ID 0xFF
84 //0: This is a Vendor Specific EM Data Set
85 //1: This EM Data Set is defined by This Specification (HDMI 2.1 r102.clean)
86 //2: This EM Data Set is defined by CTA-861-G
87 //3: This EM Data Set is defined by VESA
88//PB3
89#define MASK_VTEM_PB3__DATA_SET_TAG_MSB 0xFF
90//PB4
91#define MASK_VTEM_PB4__DATA_SET_TAG_LSB 0xFF
92//PB5
93#define MASK_VTEM_PB5__DATA_SET_LENGTH_MSB 0xFF
94//PB6
95#define MASK_VTEM_PB6__DATA_SET_LENGTH_LSB 0xFF
96
97
98
99//PB7-27 (20 bytes):
100//PB7 = MD0
101#define MASK_VTEM_MD0__VRR_EN 0x01
102#define MASK_VTEM_MD0__M_CONST 0x02
103#define MASK_VTEM_MD0__RESERVED2 0x0C
104#define MASK_VTEM_MD0__FVA_FACTOR_M1 0xF0
105
106//MD1
107#define MASK_VTEM_MD1__BASE_VFRONT 0xFF
108
109//MD2
110#define MASK_VTEM_MD2__BASE_REFRESH_RATE_98 0x03
111#define MASK_VTEM_MD2__RB 0x04
112#define MASK_VTEM_MD2__RESERVED3 0xF8
113
114//MD3
115#define MASK_VTEM_MD3__BASE_REFRESH_RATE_07 0xFF
116
117enum ColorimetryRGBDP {
118 ColorimetryRGB_DP_sRGB = 0,
119 ColorimetryRGB_DP_AdobeRGB = 3,
120 ColorimetryRGB_DP_P3 = 4,
121 ColorimetryRGB_DP_CustomColorProfile = 5,
122 ColorimetryRGB_DP_ITU_R_BT2020RGB = 6,
123};
124enum ColorimetryYCCDP {
125 ColorimetryYCC_DP_ITU601 = 0,
126 ColorimetryYCC_DP_ITU709 = 1,
127 ColorimetryYCC_DP_AdobeYCC = 5,
128 ColorimetryYCC_DP_ITU2020YCC = 6,
129 ColorimetryYCC_DP_ITU2020YCbCr = 7,
130};
131
132void mod_build_vsc_infopacket(const struct dc_stream_state *stream,
133 struct dc_info_packet *info_packet)
134{
135 unsigned int vsc_packet_revision = vsc_packet_undefined;
136 unsigned int i;
137 unsigned int pixelEncoding = 0;
138 unsigned int colorimetryFormat = 0;
139 bool stereo3dSupport = false;
140
141 if (stream->timing.timing_3d_format != TIMING_3D_FORMAT_NONE && stream->view_format != VIEW_3D_FORMAT_NONE) {
142 vsc_packet_revision = vsc_packet_rev1;
143 stereo3dSupport = true;
144 }
145
146 /*VSC packet set to 2 when DP revision >= 1.2*/
147 if (stream->link->psr_settings.psr_version != DC_PSR_VERSION_UNSUPPORTED)
148 vsc_packet_revision = vsc_packet_rev2;
149
150 /* Update to revision 5 for extended colorimetry support */
151 if (stream->use_vsc_sdp_for_colorimetry)
152 vsc_packet_revision = vsc_packet_rev5;
153
154 /* VSC packet not needed based on the features
155 * supported by this DP display
156 */
157 if (vsc_packet_revision == vsc_packet_undefined)
158 return;
159
160 if (vsc_packet_revision == vsc_packet_rev2) {
161 /* Secondary-data Packet ID = 0*/
162 info_packet->hb0 = 0x00;
163 /* 07h - Packet Type Value indicating Video
164 * Stream Configuration packet
165 */
166 info_packet->hb1 = 0x07;
167 /* 02h = VSC SDP supporting 3D stereo and PSR
168 * (applies to eDP v1.3 or higher).
169 */
170 info_packet->hb2 = 0x02;
171 /* 08h = VSC packet supporting 3D stereo + PSR
172 * (HB2 = 02h).
173 */
174 info_packet->hb3 = 0x08;
175
176 for (i = 0; i < 28; i++)
177 info_packet->sb[i] = 0;
178
179 info_packet->valid = true;
180 }
181
182 if (vsc_packet_revision == vsc_packet_rev1) {
183
184 info_packet->hb0 = 0x00; // Secondary-data Packet ID = 0
185 info_packet->hb1 = 0x07; // 07h = Packet Type Value indicating Video Stream Configuration packet
186 info_packet->hb2 = 0x01; // 01h = Revision number. VSC SDP supporting 3D stereo only
187 info_packet->hb3 = 0x01; // 01h = VSC SDP supporting 3D stereo only (HB2 = 01h).
188
189 info_packet->valid = true;
190 }
191
192 if (stereo3dSupport) {
193 /* ==============================================================================================================|
194 * A. STEREO 3D
195 * ==============================================================================================================|
196 * VSC Payload (1 byte) From DP1.2 spec
197 *
198 * Bits 3:0 (Stereo Interface Method Code) | Bits 7:4 (Stereo Interface Method Specific Parameter)
199 * -----------------------------------------------------------------------------------------------------
200 * 0 = Non Stereo Video | Must be set to 0x0
201 * -----------------------------------------------------------------------------------------------------
202 * 1 = Frame/Field Sequential | 0x0: L + R view indication based on MISC1 bit 2:1
203 * | 0x1: Right when Stereo Signal = 1
204 * | 0x2: Left when Stereo Signal = 1
205 * | (others reserved)
206 * -----------------------------------------------------------------------------------------------------
207 * 2 = Stacked Frame | 0x0: Left view is on top and right view on bottom
208 * | (others reserved)
209 * -----------------------------------------------------------------------------------------------------
210 * 3 = Pixel Interleaved | 0x0: horiz interleaved, right view pixels on even lines
211 * | 0x1: horiz interleaved, right view pixels on odd lines
212 * | 0x2: checker board, start with left view pixel
213 * | 0x3: vertical interleaved, start with left view pixels
214 * | 0x4: vertical interleaved, start with right view pixels
215 * | (others reserved)
216 * -----------------------------------------------------------------------------------------------------
217 * 4 = Side-by-side | 0x0: left half represents left eye view
218 * | 0x1: left half represents right eye view
219 */
220 switch (stream->timing.timing_3d_format) {
221 case TIMING_3D_FORMAT_HW_FRAME_PACKING:
222 case TIMING_3D_FORMAT_SW_FRAME_PACKING:
223 case TIMING_3D_FORMAT_TOP_AND_BOTTOM:
224 case TIMING_3D_FORMAT_TB_SW_PACKED:
225 info_packet->sb[0] = 0x02; // Stacked Frame, Left view is on top and right view on bottom.
226 break;
227 case TIMING_3D_FORMAT_DP_HDMI_INBAND_FA:
228 case TIMING_3D_FORMAT_INBAND_FA:
229 info_packet->sb[0] = 0x01; // Frame/Field Sequential, L + R view indication based on MISC1 bit 2:1
230 break;
231 case TIMING_3D_FORMAT_SIDE_BY_SIDE:
232 case TIMING_3D_FORMAT_SBS_SW_PACKED:
233 info_packet->sb[0] = 0x04; // Side-by-side
234 break;
235 default:
236 info_packet->sb[0] = 0x00; // No Stereo Video, Shall be cleared to 0x0.
237 break;
238 }
239
240 }
241
242 /* 05h = VSC SDP supporting 3D stereo, PSR2, and Pixel Encoding/Colorimetry Format indication.
243 * Added in DP1.3, a DP Source device is allowed to indicate the pixel encoding/colorimetry
244 * format to the DP Sink device with VSC SDP only when the DP Sink device supports it
245 * (i.e., VSC_SDP_EXTENSION_FOR_COLORIMETRY_SUPPORTED bit in the DPRX_FEATURE_ENUMERATION_LIST
246 * register (DPCD Address 02210h, bit 3) is set to 1).
247 * (Requires VSC_SDP_EXTENSION_FOR_COLORIMETRY_SUPPORTED bit set to 1 in DPCD 02210h. This
248 * DPCD register is exposed in the new Extended Receiver Capability field for DPCD Rev. 1.4
249 * (and higher). When MISC1. bit 6. is Set to 1, a Source device uses a VSC SDP to indicate
250 * the Pixel Encoding/Colorimetry Format and that a Sink device must ignore MISC1, bit 7, and
251 * MISC0, bits 7:1 (MISC1, bit 7. and MISC0, bits 7:1 become "don't care").)
252 */
253 if (vsc_packet_revision == vsc_packet_rev5) {
254 /* Secondary-data Packet ID = 0 */
255 info_packet->hb0 = 0x00;
256 /* 07h - Packet Type Value indicating Video Stream Configuration packet */
257 info_packet->hb1 = 0x07;
258 /* 05h = VSC SDP supporting 3D stereo, PSR2, and Pixel Encoding/Colorimetry Format indication. */
259 info_packet->hb2 = 0x05;
260 /* 13h = VSC SDP supporting 3D stereo, + PSR2, + Pixel Encoding/Colorimetry Format indication (HB2 = 05h). */
261 info_packet->hb3 = 0x13;
262
263 info_packet->valid = true;
264
265 /* Set VSC SDP fields for pixel encoding and colorimetry format from DP 1.3 specs
266 * Data Bytes DB 18~16
267 * Bits 3:0 (Colorimetry Format) | Bits 7:4 (Pixel Encoding)
268 * ----------------------------------------------------------------------------------------------------
269 * 0x0 = sRGB | 0 = RGB
270 * 0x1 = RGB Wide Gamut Fixed Point
271 * 0x2 = RGB Wide Gamut Floating Point
272 * 0x3 = AdobeRGB
273 * 0x4 = DCI-P3
274 * 0x5 = CustomColorProfile
275 * (others reserved)
276 * ----------------------------------------------------------------------------------------------------
277 * 0x0 = ITU-R BT.601 | 1 = YCbCr444
278 * 0x1 = ITU-R BT.709
279 * 0x2 = xvYCC601
280 * 0x3 = xvYCC709
281 * 0x4 = sYCC601
282 * 0x5 = AdobeYCC601
283 * 0x6 = ITU-R BT.2020 Y'cC'bcC'rc
284 * 0x7 = ITU-R BT.2020 Y'C'bC'r
285 * (others reserved)
286 * ----------------------------------------------------------------------------------------------------
287 * 0x0 = ITU-R BT.601 | 2 = YCbCr422
288 * 0x1 = ITU-R BT.709
289 * 0x2 = xvYCC601
290 * 0x3 = xvYCC709
291 * 0x4 = sYCC601
292 * 0x5 = AdobeYCC601
293 * 0x6 = ITU-R BT.2020 Y'cC'bcC'rc
294 * 0x7 = ITU-R BT.2020 Y'C'bC'r
295 * (others reserved)
296 * ----------------------------------------------------------------------------------------------------
297 * 0x0 = ITU-R BT.601 | 3 = YCbCr420
298 * 0x1 = ITU-R BT.709
299 * 0x2 = xvYCC601
300 * 0x3 = xvYCC709
301 * 0x4 = sYCC601
302 * 0x5 = AdobeYCC601
303 * 0x6 = ITU-R BT.2020 Y'cC'bcC'rc
304 * 0x7 = ITU-R BT.2020 Y'C'bC'r
305 * (others reserved)
306 * ----------------------------------------------------------------------------------------------------
307 * 0x0 =DICOM Part14 Grayscale | 4 = Yonly
308 * Display Function
309 * (others reserved)
310 */
311
312 /* Set Pixel Encoding */
313 switch (stream->timing.pixel_encoding) {
314 case PIXEL_ENCODING_RGB:
315 pixelEncoding = 0x0; /* RGB = 0h */
316 break;
317 case PIXEL_ENCODING_YCBCR444:
318 pixelEncoding = 0x1; /* YCbCr444 = 1h */
319 break;
320 case PIXEL_ENCODING_YCBCR422:
321 pixelEncoding = 0x2; /* YCbCr422 = 2h */
322 break;
323 case PIXEL_ENCODING_YCBCR420:
324 pixelEncoding = 0x3; /* YCbCr420 = 3h */
325 break;
326 default:
327 pixelEncoding = 0x0; /* default RGB = 0h */
328 break;
329 }
330
331 /* Set Colorimetry format based on pixel encoding */
332 switch (stream->timing.pixel_encoding) {
333 case PIXEL_ENCODING_RGB:
334 if ((stream->output_color_space == COLOR_SPACE_SRGB) ||
335 (stream->output_color_space == COLOR_SPACE_SRGB_LIMITED))
336 colorimetryFormat = ColorimetryRGB_DP_sRGB;
337 else if (stream->output_color_space == COLOR_SPACE_ADOBERGB)
338 colorimetryFormat = ColorimetryRGB_DP_AdobeRGB;
339 else if ((stream->output_color_space == COLOR_SPACE_2020_RGB_FULLRANGE) ||
340 (stream->output_color_space == COLOR_SPACE_2020_RGB_LIMITEDRANGE))
341 colorimetryFormat = ColorimetryRGB_DP_ITU_R_BT2020RGB;
342 break;
343
344 case PIXEL_ENCODING_YCBCR444:
345 case PIXEL_ENCODING_YCBCR422:
346 case PIXEL_ENCODING_YCBCR420:
347 /* Note: xvYCC probably not supported correctly here on DP since colorspace translation
348 * loses distinction between BT601 vs xvYCC601 in translation
349 */
350 if (stream->output_color_space == COLOR_SPACE_YCBCR601)
351 colorimetryFormat = ColorimetryYCC_DP_ITU601;
352 else if (stream->output_color_space == COLOR_SPACE_YCBCR709)
353 colorimetryFormat = ColorimetryYCC_DP_ITU709;
354 else if (stream->output_color_space == COLOR_SPACE_ADOBERGB)
355 colorimetryFormat = ColorimetryYCC_DP_AdobeYCC;
356 else if (stream->output_color_space == COLOR_SPACE_2020_YCBCR)
357 colorimetryFormat = ColorimetryYCC_DP_ITU2020YCbCr;
358 break;
359
360 default:
361 colorimetryFormat = ColorimetryRGB_DP_sRGB;
362 break;
363 }
364
365 info_packet->sb[16] = (pixelEncoding << 4) | colorimetryFormat;
366
367 /* Set color depth */
368 switch (stream->timing.display_color_depth) {
369 case COLOR_DEPTH_666:
370 /* NOTE: This is actually not valid for YCbCr pixel encoding to have 6 bpc
371 * as of DP1.4 spec, but value of 0 probably reserved here for potential future use.
372 */
373 info_packet->sb[17] = 0;
374 break;
375 case COLOR_DEPTH_888:
376 info_packet->sb[17] = 1;
377 break;
378 case COLOR_DEPTH_101010:
379 info_packet->sb[17] = 2;
380 break;
381 case COLOR_DEPTH_121212:
382 info_packet->sb[17] = 3;
383 break;
384 /*case COLOR_DEPTH_141414: -- NO SUCH FORMAT IN DP SPEC */
385 case COLOR_DEPTH_161616:
386 info_packet->sb[17] = 4;
387 break;
388 default:
389 info_packet->sb[17] = 0;
390 break;
391 }
392
393 /* all YCbCr are always limited range */
394 if ((stream->output_color_space == COLOR_SPACE_SRGB_LIMITED) ||
395 (stream->output_color_space == COLOR_SPACE_2020_RGB_LIMITEDRANGE) ||
396 (pixelEncoding != 0x0)) {
397 info_packet->sb[17] |= 0x80; /* DB17 bit 7 set to 1 for CEA timing. */
398 }
399
400 /* Content Type (Bits 2:0)
401 * 0 = Not defined.
402 * 1 = Graphics.
403 * 2 = Photo.
404 * 3 = Video.
405 * 4 = Game.
406 */
407 info_packet->sb[18] = 0;
408 }
409}
410
411/**
412 * mod_build_hf_vsif_infopacket - Prepare HDMI Vendor Specific info frame.
413 * Follows HDMI Spec to build up Vendor Specific info frame
414 *
415 * @stream: contains data we may need to construct VSIF (i.e. timing_3d_format, etc.)
416 * @info_packet: output structure where to store VSIF
417 */
418void mod_build_hf_vsif_infopacket(const struct dc_stream_state *stream,
419 struct dc_info_packet *info_packet)
420{
421 unsigned int length = 5;
422 bool hdmi_vic_mode = false;
423 uint8_t checksum = 0;
424 uint32_t i = 0;
425 enum dc_timing_3d_format format;
426
427 info_packet->valid = false;
428 format = stream->timing.timing_3d_format;
429 if (stream->view_format == VIEW_3D_FORMAT_NONE)
430 format = TIMING_3D_FORMAT_NONE;
431
432 if (stream->timing.hdmi_vic != 0
433 && stream->timing.h_total >= 3840
434 && stream->timing.v_total >= 2160
435 && format == TIMING_3D_FORMAT_NONE)
436 hdmi_vic_mode = true;
437
438 if ((format == TIMING_3D_FORMAT_NONE) && !hdmi_vic_mode)
439 return;
440
441 info_packet->sb[1] = 0x03;
442 info_packet->sb[2] = 0x0C;
443 info_packet->sb[3] = 0x00;
444
445 if (format != TIMING_3D_FORMAT_NONE)
446 info_packet->sb[4] = (2 << 5);
447
448 else if (hdmi_vic_mode)
449 info_packet->sb[4] = (1 << 5);
450
451 switch (format) {
452 case TIMING_3D_FORMAT_HW_FRAME_PACKING:
453 case TIMING_3D_FORMAT_SW_FRAME_PACKING:
454 info_packet->sb[5] = (0x0 << 4);
455 break;
456
457 case TIMING_3D_FORMAT_SIDE_BY_SIDE:
458 case TIMING_3D_FORMAT_SBS_SW_PACKED:
459 info_packet->sb[5] = (0x8 << 4);
460 length = 6;
461 break;
462
463 case TIMING_3D_FORMAT_TOP_AND_BOTTOM:
464 case TIMING_3D_FORMAT_TB_SW_PACKED:
465 info_packet->sb[5] = (0x6 << 4);
466 break;
467
468 default:
469 break;
470 }
471
472 if (hdmi_vic_mode)
473 info_packet->sb[5] = stream->timing.hdmi_vic;
474
475 info_packet->hb0 = HDMI_INFOFRAME_TYPE_VENDOR;
476 info_packet->hb1 = 0x01;
477 info_packet->hb2 = (uint8_t) (length);
478
479 checksum += info_packet->hb0;
480 checksum += info_packet->hb1;
481 checksum += info_packet->hb2;
482
483 for (i = 1; i <= length; i++)
484 checksum += info_packet->sb[i];
485
486 info_packet->sb[0] = (uint8_t) (0x100 - checksum);
487
488 info_packet->valid = true;
489}
490