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 33 #define HDMI_INFOFRAME_TYPE_VENDOR 0x81 34 35 // VTEM Byte Offset 36 #define VTEM_PB0 0 37 #define VTEM_PB1 1 38 #define VTEM_PB2 2 39 #define VTEM_PB3 3 40 #define VTEM_PB4 4 41 #define VTEM_PB5 5 42 #define VTEM_PB6 6 43 44 #define VTEM_MD0 7 45 #define VTEM_MD1 8 46 #define VTEM_MD2 9 47 #define VTEM_MD3 10 48 49 50 // VTEM Byte Masks 51 //PB0 52 #define MASK_VTEM_PB0__RESERVED0 0x01 53 #define MASK_VTEM_PB0__SYNC 0x02 54 #define MASK_VTEM_PB0__VFR 0x04 55 #define MASK_VTEM_PB0__AFR 0x08 56 #define MASK_VTEM_PB0__DS_TYPE 0x30 57 //0: Periodic pseudo-static EM Data Set 58 //1: Periodic dynamic EM Data Set 59 //2: Unique EM Data Set 60 //3: Reserved 61 #define MASK_VTEM_PB0__END 0x40 62 #define MASK_VTEM_PB0__NEW 0x80 63 64 //PB1 65 #define MASK_VTEM_PB1__RESERVED1 0xFF 66 67 //PB2 68 #define MASK_VTEM_PB2__ORGANIZATION_ID 0xFF 69 //0: This is a Vendor Specific EM Data Set 70 //1: This EM Data Set is defined by This Specification (HDMI 2.1 r102.clean) 71 //2: This EM Data Set is defined by CTA-861-G 72 //3: This EM Data Set is defined by VESA 73 //PB3 74 #define MASK_VTEM_PB3__DATA_SET_TAG_MSB 0xFF 75 //PB4 76 #define MASK_VTEM_PB4__DATA_SET_TAG_LSB 0xFF 77 //PB5 78 #define MASK_VTEM_PB5__DATA_SET_LENGTH_MSB 0xFF 79 //PB6 80 #define MASK_VTEM_PB6__DATA_SET_LENGTH_LSB 0xFF 81 82 83 84 //PB7-27 (20 bytes): 85 //PB7 = MD0 86 #define MASK_VTEM_MD0__VRR_EN 0x01 87 #define MASK_VTEM_MD0__M_CONST 0x02 88 #define MASK_VTEM_MD0__RESERVED2 0x0C 89 #define MASK_VTEM_MD0__FVA_FACTOR_M1 0xF0 90 91 //MD1 92 #define MASK_VTEM_MD1__BASE_VFRONT 0xFF 93 94 //MD2 95 #define MASK_VTEM_MD2__BASE_REFRESH_RATE_98 0x03 96 #define MASK_VTEM_MD2__RB 0x04 97 #define MASK_VTEM_MD2__RESERVED3 0xF8 98 99 //MD3 100 #define MASK_VTEM_MD3__BASE_REFRESH_RATE_07 0xFF 101 102 enum ColorimetryRGBDP { 103 ColorimetryRGB_DP_sRGB = 0, 104 ColorimetryRGB_DP_AdobeRGB = 3, 105 ColorimetryRGB_DP_P3 = 4, 106 ColorimetryRGB_DP_CustomColorProfile = 5, 107 ColorimetryRGB_DP_ITU_R_BT2020RGB = 6, 108 }; 109 enum ColorimetryYCCDP { 110 ColorimetryYCC_DP_ITU601 = 0, 111 ColorimetryYCC_DP_ITU709 = 1, 112 ColorimetryYCC_DP_AdobeYCC = 5, 113 ColorimetryYCC_DP_ITU2020YCC = 6, 114 ColorimetryYCC_DP_ITU2020YCbCr = 7, 115 }; 116 117 void mod_build_vsc_infopacket(const struct dc_stream_state *stream, 118 struct dc_info_packet *info_packet) 119 { 120 unsigned int vscPacketRevision = 0; 121 unsigned int i; 122 unsigned int pixelEncoding = 0; 123 unsigned int colorimetryFormat = 0; 124 bool stereo3dSupport = false; 125 126 if (stream->timing.timing_3d_format != TIMING_3D_FORMAT_NONE && stream->view_format != VIEW_3D_FORMAT_NONE) { 127 vscPacketRevision = 1; 128 stereo3dSupport = true; 129 } 130 131 /*VSC packet set to 2 when DP revision >= 1.2*/ 132 if (stream->psr_version != 0) 133 vscPacketRevision = 2; 134 135 /* Update to revision 5 for extended colorimetry support for DPCD 1.4+ */ 136 if (stream->link->dpcd_caps.dpcd_rev.raw >= 0x14 && 137 stream->link->dpcd_caps.dprx_feature.bits.VSC_SDP_COLORIMETRY_SUPPORTED) 138 vscPacketRevision = 5; 139 140 /* VSC packet not needed based on the features 141 * supported by this DP display 142 */ 143 if (vscPacketRevision == 0) 144 return; 145 146 if (vscPacketRevision == 0x2) { 147 /* Secondary-data Packet ID = 0*/ 148 info_packet->hb0 = 0x00; 149 /* 07h - Packet Type Value indicating Video 150 * Stream Configuration packet 151 */ 152 info_packet->hb1 = 0x07; 153 /* 02h = VSC SDP supporting 3D stereo and PSR 154 * (applies to eDP v1.3 or higher). 155 */ 156 info_packet->hb2 = 0x02; 157 /* 08h = VSC packet supporting 3D stereo + PSR 158 * (HB2 = 02h). 159 */ 160 info_packet->hb3 = 0x08; 161 162 for (i = 0; i < 28; i++) 163 info_packet->sb[i] = 0; 164 165 info_packet->valid = true; 166 } 167 168 if (vscPacketRevision == 0x1) { 169 170 info_packet->hb0 = 0x00; // Secondary-data Packet ID = 0 171 info_packet->hb1 = 0x07; // 07h = Packet Type Value indicating Video Stream Configuration packet 172 info_packet->hb2 = 0x01; // 01h = Revision number. VSC SDP supporting 3D stereo only 173 info_packet->hb3 = 0x01; // 01h = VSC SDP supporting 3D stereo only (HB2 = 01h). 174 175 info_packet->valid = true; 176 } 177 178 if (stereo3dSupport) { 179 /* ==============================================================================================================| 180 * A. STEREO 3D 181 * ==============================================================================================================| 182 * VSC Payload (1 byte) From DP1.2 spec 183 * 184 * Bits 3:0 (Stereo Interface Method Code) | Bits 7:4 (Stereo Interface Method Specific Parameter) 185 * ----------------------------------------------------------------------------------------------------- 186 * 0 = Non Stereo Video | Must be set to 0x0 187 * ----------------------------------------------------------------------------------------------------- 188 * 1 = Frame/Field Sequential | 0x0: L + R view indication based on MISC1 bit 2:1 189 * | 0x1: Right when Stereo Signal = 1 190 * | 0x2: Left when Stereo Signal = 1 191 * | (others reserved) 192 * ----------------------------------------------------------------------------------------------------- 193 * 2 = Stacked Frame | 0x0: Left view is on top and right view on bottom 194 * | (others reserved) 195 * ----------------------------------------------------------------------------------------------------- 196 * 3 = Pixel Interleaved | 0x0: horiz interleaved, right view pixels on even lines 197 * | 0x1: horiz interleaved, right view pixels on odd lines 198 * | 0x2: checker board, start with left view pixel 199 * | 0x3: vertical interleaved, start with left view pixels 200 * | 0x4: vertical interleaved, start with right view pixels 201 * | (others reserved) 202 * ----------------------------------------------------------------------------------------------------- 203 * 4 = Side-by-side | 0x0: left half represents left eye view 204 * | 0x1: left half represents right eye view 205 */ 206 switch (stream->timing.timing_3d_format) { 207 case TIMING_3D_FORMAT_HW_FRAME_PACKING: 208 case TIMING_3D_FORMAT_SW_FRAME_PACKING: 209 case TIMING_3D_FORMAT_TOP_AND_BOTTOM: 210 case TIMING_3D_FORMAT_TB_SW_PACKED: 211 info_packet->sb[0] = 0x02; // Stacked Frame, Left view is on top and right view on bottom. 212 break; 213 case TIMING_3D_FORMAT_DP_HDMI_INBAND_FA: 214 case TIMING_3D_FORMAT_INBAND_FA: 215 info_packet->sb[0] = 0x01; // Frame/Field Sequential, L + R view indication based on MISC1 bit 2:1 216 break; 217 case TIMING_3D_FORMAT_SIDE_BY_SIDE: 218 case TIMING_3D_FORMAT_SBS_SW_PACKED: 219 info_packet->sb[0] = 0x04; // Side-by-side 220 break; 221 default: 222 info_packet->sb[0] = 0x00; // No Stereo Video, Shall be cleared to 0x0. 223 break; 224 } 225 226 } 227 228 /* 05h = VSC SDP supporting 3D stereo, PSR2, and Pixel Encoding/Colorimetry Format indication. 229 * Added in DP1.3, a DP Source device is allowed to indicate the pixel encoding/colorimetry 230 * format to the DP Sink device with VSC SDP only when the DP Sink device supports it 231 * (i.e., VSC_SDP_EXTENSION_FOR_COLORIMETRY_SUPPORTED bit in the DPRX_FEATURE_ENUMERATION_LIST 232 * register (DPCD Address 02210h, bit 3) is set to 1). 233 * (Requires VSC_SDP_EXTENSION_FOR_COLORIMETRY_SUPPORTED bit set to 1 in DPCD 02210h. This 234 * DPCD register is exposed in the new Extended Receiver Capability field for DPCD Rev. 1.4 235 * (and higher). When MISC1. bit 6. is Set to 1, a Source device uses a VSC SDP to indicate 236 * the Pixel Encoding/Colorimetry Format and that a Sink device must ignore MISC1, bit 7, and 237 * MISC0, bits 7:1 (MISC1, bit 7. and MISC0, bits 7:1 become "don't care").) 238 */ 239 if (vscPacketRevision == 0x5) { 240 /* Secondary-data Packet ID = 0 */ 241 info_packet->hb0 = 0x00; 242 /* 07h - Packet Type Value indicating Video Stream Configuration packet */ 243 info_packet->hb1 = 0x07; 244 /* 05h = VSC SDP supporting 3D stereo, PSR2, and Pixel Encoding/Colorimetry Format indication. */ 245 info_packet->hb2 = 0x05; 246 /* 13h = VSC SDP supporting 3D stereo, + PSR2, + Pixel Encoding/Colorimetry Format indication (HB2 = 05h). */ 247 info_packet->hb3 = 0x13; 248 249 info_packet->valid = true; 250 251 /* Set VSC SDP fields for pixel encoding and colorimetry format from DP 1.3 specs 252 * Data Bytes DB 18~16 253 * Bits 3:0 (Colorimetry Format) | Bits 7:4 (Pixel Encoding) 254 * ---------------------------------------------------------------------------------------------------- 255 * 0x0 = sRGB | 0 = RGB 256 * 0x1 = RGB Wide Gamut Fixed Point 257 * 0x2 = RGB Wide Gamut Floating Point 258 * 0x3 = AdobeRGB 259 * 0x4 = DCI-P3 260 * 0x5 = CustomColorProfile 261 * (others reserved) 262 * ---------------------------------------------------------------------------------------------------- 263 * 0x0 = ITU-R BT.601 | 1 = YCbCr444 264 * 0x1 = ITU-R BT.709 265 * 0x2 = xvYCC601 266 * 0x3 = xvYCC709 267 * 0x4 = sYCC601 268 * 0x5 = AdobeYCC601 269 * 0x6 = ITU-R BT.2020 Y'cC'bcC'rc 270 * 0x7 = ITU-R BT.2020 Y'C'bC'r 271 * (others reserved) 272 * ---------------------------------------------------------------------------------------------------- 273 * 0x0 = ITU-R BT.601 | 2 = YCbCr422 274 * 0x1 = ITU-R BT.709 275 * 0x2 = xvYCC601 276 * 0x3 = xvYCC709 277 * 0x4 = sYCC601 278 * 0x5 = AdobeYCC601 279 * 0x6 = ITU-R BT.2020 Y'cC'bcC'rc 280 * 0x7 = ITU-R BT.2020 Y'C'bC'r 281 * (others reserved) 282 * ---------------------------------------------------------------------------------------------------- 283 * 0x0 = ITU-R BT.601 | 3 = YCbCr420 284 * 0x1 = ITU-R BT.709 285 * 0x2 = xvYCC601 286 * 0x3 = xvYCC709 287 * 0x4 = sYCC601 288 * 0x5 = AdobeYCC601 289 * 0x6 = ITU-R BT.2020 Y'cC'bcC'rc 290 * 0x7 = ITU-R BT.2020 Y'C'bC'r 291 * (others reserved) 292 * ---------------------------------------------------------------------------------------------------- 293 * 0x0 =DICOM Part14 Grayscale | 4 = Yonly 294 * Display Function 295 * (others reserved) 296 */ 297 298 /* Set Pixel Encoding */ 299 switch (stream->timing.pixel_encoding) { 300 case PIXEL_ENCODING_RGB: 301 pixelEncoding = 0x0; /* RGB = 0h */ 302 break; 303 case PIXEL_ENCODING_YCBCR444: 304 pixelEncoding = 0x1; /* YCbCr444 = 1h */ 305 break; 306 case PIXEL_ENCODING_YCBCR422: 307 pixelEncoding = 0x2; /* YCbCr422 = 2h */ 308 break; 309 case PIXEL_ENCODING_YCBCR420: 310 pixelEncoding = 0x3; /* YCbCr420 = 3h */ 311 break; 312 default: 313 pixelEncoding = 0x0; /* default RGB = 0h */ 314 break; 315 } 316 317 /* Set Colorimetry format based on pixel encoding */ 318 switch (stream->timing.pixel_encoding) { 319 case PIXEL_ENCODING_RGB: 320 if ((stream->output_color_space == COLOR_SPACE_SRGB) || 321 (stream->output_color_space == COLOR_SPACE_SRGB_LIMITED)) 322 colorimetryFormat = ColorimetryRGB_DP_sRGB; 323 else if (stream->output_color_space == COLOR_SPACE_ADOBERGB) 324 colorimetryFormat = ColorimetryRGB_DP_AdobeRGB; 325 else if ((stream->output_color_space == COLOR_SPACE_2020_RGB_FULLRANGE) || 326 (stream->output_color_space == COLOR_SPACE_2020_RGB_LIMITEDRANGE)) 327 colorimetryFormat = ColorimetryRGB_DP_ITU_R_BT2020RGB; 328 break; 329 330 case PIXEL_ENCODING_YCBCR444: 331 case PIXEL_ENCODING_YCBCR422: 332 case PIXEL_ENCODING_YCBCR420: 333 /* Note: xvYCC probably not supported correctly here on DP since colorspace translation 334 * loses distinction between BT601 vs xvYCC601 in translation 335 */ 336 if (stream->output_color_space == COLOR_SPACE_YCBCR601) 337 colorimetryFormat = ColorimetryYCC_DP_ITU601; 338 else if (stream->output_color_space == COLOR_SPACE_YCBCR709) 339 colorimetryFormat = ColorimetryYCC_DP_ITU709; 340 else if (stream->output_color_space == COLOR_SPACE_ADOBERGB) 341 colorimetryFormat = ColorimetryYCC_DP_AdobeYCC; 342 else if (stream->output_color_space == COLOR_SPACE_2020_YCBCR) 343 colorimetryFormat = ColorimetryYCC_DP_ITU2020YCbCr; 344 break; 345 346 default: 347 colorimetryFormat = ColorimetryRGB_DP_sRGB; 348 break; 349 } 350 351 info_packet->sb[16] = (pixelEncoding << 4) | colorimetryFormat; 352 353 /* Set color depth */ 354 switch (stream->timing.display_color_depth) { 355 case COLOR_DEPTH_666: 356 /* NOTE: This is actually not valid for YCbCr pixel encoding to have 6 bpc 357 * as of DP1.4 spec, but value of 0 probably reserved here for potential future use. 358 */ 359 info_packet->sb[17] = 0; 360 break; 361 case COLOR_DEPTH_888: 362 info_packet->sb[17] = 1; 363 break; 364 case COLOR_DEPTH_101010: 365 info_packet->sb[17] = 2; 366 break; 367 case COLOR_DEPTH_121212: 368 info_packet->sb[17] = 3; 369 break; 370 /*case COLOR_DEPTH_141414: -- NO SUCH FORMAT IN DP SPEC */ 371 case COLOR_DEPTH_161616: 372 info_packet->sb[17] = 4; 373 break; 374 default: 375 info_packet->sb[17] = 0; 376 break; 377 } 378 379 /* all YCbCr are always limited range */ 380 if ((stream->output_color_space == COLOR_SPACE_SRGB_LIMITED) || 381 (stream->output_color_space == COLOR_SPACE_2020_RGB_LIMITEDRANGE) || 382 (pixelEncoding != 0x0)) { 383 info_packet->sb[17] |= 0x80; /* DB17 bit 7 set to 1 for CEA timing. */ 384 } 385 386 /* Content Type (Bits 2:0) 387 * 0 = Not defined. 388 * 1 = Graphics. 389 * 2 = Photo. 390 * 3 = Video. 391 * 4 = Game. 392 */ 393 info_packet->sb[18] = 0; 394 } 395 396 } 397 398