hdmi.h revision 1.5
1 /* $NetBSD: hdmi.h,v 1.5 2014/11/24 01:27:07 riastradh Exp $ */ 2 3 /*- 4 * Copyright (c) 2014 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Taylor R. Campbell. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #ifndef _LINUX_HDMI_H_ 33 #define _LINUX_HDMI_H_ 34 35 #include <sys/types.h> 36 #include <sys/param.h> 37 #include <sys/errno.h> 38 #include <sys/systm.h> 39 40 enum hdmi_3d_structure { 41 HDMI_3D_STRUCTURE_INVALID = -1, 42 HDMI_3D_STRUCTURE_FRAME_PACKING = 0, 43 HDMI_3D_STRUCTURE_FIELD_ALTERNATIVE = 1, 44 HDMI_3D_STRUCTURE_LINE_ALTERNATIVE = 2, 45 HDMI_3D_STRUCTURE_SIDE_BY_SIDE_FULL = 3, 46 HDMI_3D_STRUCTURE_L_DEPTH = 4, 47 HDMI_3D_STRUCTURE_L_DEPTH_GFX_GFX_DEPTH = 5, 48 HDMI_3D_STRUCTURE_TOP_AND_BOTTOM = 6, 49 HDMI_3D_STRUCTURE_SIDE_BY_SIDE_HALF = 8, 50 }; 51 52 enum hdmi_active_aspect { 53 HDMI_ACTIVE_ASPECT_16_9_TOP = 2, 54 HDMI_ACTIVE_ASPECT_14_9_TOP = 3, 55 HDMI_ACTIVE_ASPECT_16_9_CENTER = 4, 56 HDMI_ACTIVE_ASPECT_PICTURE = 8, 57 HDMI_ACTIVE_ASPECT_4_3 = 9, 58 HDMI_ACTIVE_ASPECT_16_9 = 10, 59 HDMI_ACTIVE_ASPECT_14_9 = 11, 60 HDMI_ACTIVE_ASPECT_4_3_SP_14_9 = 13, 61 HDMI_ACTIVE_ASPECT_16_9_SP_14_9 = 14, 62 HDMI_ACTIVE_ASPECT_16_9_SP_4_3 = 15, 63 }; 64 65 enum hdmi_audio_coding_type { 66 HDMI_AUDIO_CODING_TYPE_STREAM = 0, 67 HDMI_AUDIO_CODING_TYPE_PCM = 1, 68 HDMI_AUDIO_CODING_TYPE_AC3 = 2, 69 HDMI_AUDIO_CODING_TYPE_MPEG1 = 3, 70 HDMI_AUDIO_CODING_TYPE_MP3 = 4, 71 HDMI_AUDIO_CODING_TYPE_MPEG2 = 5, 72 HDMI_AUDIO_CODING_TYPE_AAC_LC = 6, 73 HDMI_AUDIO_CODING_TYPE_DTS = 7, 74 HDMI_AUDIO_CODING_TYPE_ATRAC = 8, 75 HDMI_AUDIO_CODING_TYPE_DSD = 9, 76 HDMI_AUDIO_CODING_TYPE_EAC3 = 10, 77 HDMI_AUDIO_CODING_TYPE_DTS_HD = 11, 78 HDMI_AUDIO_CODING_TYPE_MLP = 12, 79 HDMI_AUDIO_CODING_TYPE_DST = 13, 80 HDMI_AUDIO_CODING_TYPE_WMA_PRO = 14, 81 }; 82 83 enum hdmi_audio_coding_type_ext { 84 HDMI_AUDIO_CODING_TYPE_EXT_STREAM = 0, 85 HDMI_AUDIO_CODING_TYPE_EXT_HE_AAC = 1, 86 HDMI_AUDIO_CODING_TYPE_EXT_HE_AAC_V2 = 2, 87 HDMI_AUDIO_CODING_TYPE_EXT_MPEG_SURROUND = 3, 88 }; 89 90 enum hdmi_audio_sample_frequency { 91 HDMI_AUDIO_SAMPLE_FREQUENCY_STREAM = 0, 92 HDMI_AUDIO_SAMPLE_FREQUENCY_32000 = 1, 93 HDMI_AUDIO_SAMPLE_FREQUENCY_44100 = 2, 94 HDMI_AUDIO_SAMPLE_FREQUENCY_48000 = 3, 95 HDMI_AUDIO_SAMPLE_FREQUENCY_88200 = 4, 96 HDMI_AUDIO_SAMPLE_FREQUENCY_96000 = 5, 97 HDMI_AUDIO_SAMPLE_FREQUENCY_176400 = 6, 98 HDMI_AUDIO_SAMPLE_FREQUENCY_192000 = 7, 99 }; 100 101 enum hdmi_audio_sample_size { 102 HDMI_AUDIO_SAMPLE_SIZE_STREAM = 0, 103 HDMI_AUDIO_SAMPLE_SIZE_16 = 1, 104 HDMI_AUDIO_SAMPLE_SIZE_20 = 2, 105 HDMI_AUDIO_SAMPLE_SIZE_24 = 3, 106 }; 107 108 enum hdmi_colorimetry { 109 HDMI_COLORIMETRY_NONE = 0, 110 HDMI_COLORIMETRY_ITU_601 = 1, 111 HDMI_COLORIMETRY_ITU_709 = 2, 112 HDMI_COLORIMETRY_EXTENDED = 3, 113 }; 114 115 enum hdmi_colorspace { 116 HDMI_COLORSPACE_RGB = 0, 117 HDMI_COLORSPACE_YUV422 = 1, 118 HDMI_COLORSPACE_YUV444 = 2, 119 }; 120 121 enum hdmi_content_type { 122 HDMI_CONTENT_TYPE_NONE = 0, 123 HDMI_CONTENT_TYPE_PHOTO = 1, 124 HDMI_CONTENT_TYPE_CINEMA = 2, 125 HDMI_CONTENT_TYPE_GAME = 3, 126 }; 127 128 enum hdmi_extended_colorimetry { 129 HDMI_EXTENDED_COLORIMETRY_XV_YCC_601 = 0, 130 HDMI_EXTENDED_COLORIMETRY_XV_YCC_709 = 1, 131 HDMI_EXTENDED_COLORIMETRY_S_YCC_601 = 2, 132 HDMI_EXTENDED_COLORIMETRY_ADOBE_YCC_601 = 3, 133 HDMI_EXTENDED_COLORIMETRY_ADOBE_RGB = 4, 134 }; 135 136 enum hdmi_nups { 137 HDMI_NUPS_UNKNOWN = 0, 138 HDMI_NUPS_HORIZONTAL = 1, 139 HDMI_NUPS_VERTICAL = 2, 140 HDMI_NUPS_BOTH = 3, 141 }; 142 143 enum hdmi_picture_aspect { 144 HDMI_PICTURE_ASPECT_NONE = 0, 145 HDMI_PICTURE_ASPECT_4_3 = 1, 146 HDMI_PICTURE_ASPECT_16_9 = 2, 147 }; 148 149 enum hdmi_quantization_range { 150 HDMI_QUANTIZATION_RANGE_DEFAULT = 0, 151 HDMI_QUANTIZATION_RANGE_LIMITED = 1, 152 HDMI_QUANTIZATION_RANGE_FULL = 2, 153 }; 154 155 enum hdmi_scan_mode { 156 HDMI_SCAN_MODE_NONE = 0, 157 HDMI_SCAN_MODE_OVERSCAN = 1, 158 HDMI_SCAN_MODE_UNDERSCAN = 2, 159 }; 160 161 enum hdmi_ycc_quantization_range { 162 HDMI_YCC_QUANTIZATION_RANGE_LIMITED = 0, 163 HDMI_YCC_QUANTIZATION_RANGE_FULL = 1, 164 }; 165 166 enum hdmi_infoframe_type { 167 HDMI_INFOFRAME_TYPE_VENDOR = 0x81, 168 HDMI_INFOFRAME_TYPE_AVI = 0x82, 169 HDMI_INFOFRAME_TYPE_SPD = 0x83, 170 HDMI_INFOFRAME_TYPE_AUDIO = 0x84, 171 }; 172 173 #define HDMI_INFOFRAME_SIZE(TYPE) \ 174 (HDMI_INFOFRAME_HEADER_SIZE + HDMI_##TYPE##_INFOFRAME_SIZE) 175 176 #define HDMI_INFOFRAME_HEADER_SIZE 4 177 struct hdmi_infoframe_header { 178 enum hdmi_infoframe_type type; 179 uint8_t version; 180 uint8_t length; 181 /* checksum */ 182 }; 183 184 static inline void 185 hdmi_infoframe_header_init(struct hdmi_infoframe_header *header, 186 enum hdmi_infoframe_type type, uint8_t vers, uint8_t length) 187 { 188 189 header->type = type; 190 header->version = vers; 191 header->length = length; 192 } 193 194 static inline int 195 hdmi_infoframe_header_pack(const struct hdmi_infoframe_header *header, 196 uint8_t length, void *buf, size_t size) 197 { 198 uint8_t *const p = buf; 199 200 if (length < HDMI_INFOFRAME_HEADER_SIZE) 201 return -ENOSPC; 202 if (size < length) 203 return -ENOSPC; 204 205 p[0] = header->type; 206 p[1] = header->version; 207 p[2] = (length - HDMI_INFOFRAME_HEADER_SIZE); 208 p[3] = 0; /* checksum */ 209 210 return HDMI_INFOFRAME_HEADER_SIZE; 211 } 212 213 static inline void 214 hdmi_infoframe_checksum(void *buf, size_t length) 215 { 216 uint8_t *p = buf; 217 uint8_t checksum = 0; 218 219 while (length--) 220 checksum = *p++; 221 222 p = buf; 223 p[3] = (256 - checksum); 224 } 225 226 #define HDMI_AUDIO_INFOFRAME_SIZE 10 227 struct hdmi_audio_infoframe { 228 struct hdmi_infoframe_header header; 229 uint8_t channels; 230 enum hdmi_audio_coding_type coding_type; 231 enum hdmi_audio_sample_size sample_size; 232 enum hdmi_audio_sample_frequency sample_frequency; 233 enum hdmi_audio_coding_type_ext coding_type_ext; 234 uint8_t channel_allocation; 235 uint8_t level_shift_value; 236 bool downmix_inhibit; 237 }; 238 239 static inline int 240 hdmi_audio_infoframe_init(struct hdmi_audio_infoframe *frame) 241 { 242 static const struct hdmi_audio_infoframe zero_frame; 243 244 *frame = zero_frame; 245 246 hdmi_infoframe_header_init(&frame->header, HDMI_INFOFRAME_TYPE_AUDIO, 247 1, HDMI_AUDIO_INFOFRAME_SIZE); 248 249 return 0; 250 } 251 252 static inline ssize_t 253 hdmi_audio_infoframe_pack(const struct hdmi_audio_infoframe *frame, void *buf, 254 size_t size) 255 { 256 const size_t length = HDMI_INFOFRAME_HEADER_SIZE + 257 HDMI_AUDIO_INFOFRAME_SIZE; 258 uint8_t channels = 0; 259 uint8_t *p = buf; 260 int ret; 261 262 KASSERT(frame->header.length == HDMI_AUDIO_INFOFRAME_SIZE); 263 264 ret = hdmi_infoframe_header_pack(&frame->header, length, p, size); 265 if (ret < 0) 266 return ret; 267 KASSERT(ret == HDMI_INFOFRAME_HEADER_SIZE); 268 p += HDMI_INFOFRAME_HEADER_SIZE; 269 size -= HDMI_INFOFRAME_HEADER_SIZE; 270 271 if (frame->channels >= 2) 272 channels = frame->channels - 1; 273 274 p[0] = __SHIFTIN(frame->coding_type, __BITS(7,4)); 275 p[0] |= __SHIFTIN(channels, __BITS(2,0)); 276 277 p[1] = __SHIFTIN(frame->sample_frequency, __BITS(4,2)); 278 p[1] |= __SHIFTIN(frame->sample_size, __BITS(1,0)); 279 280 p[2] = __SHIFTIN(frame->coding_type_ext, __BITS(5,0)); 281 282 p[3] = __SHIFTIN(frame->level_shift_value, __BITS(6, 3)); 283 284 p[4] = __SHIFTIN(frame->downmix_inhibit? 1 : 0, __BIT(7)); 285 286 /* XXX p[5], p[6], p[7], p[8], p[9]? */ 287 CTASSERT(HDMI_AUDIO_INFOFRAME_SIZE == 10); 288 289 hdmi_infoframe_checksum(buf, length); 290 291 return length; 292 } 293 294 #define HDMI_AVI_INFOFRAME_SIZE 13 295 struct hdmi_avi_infoframe { 296 struct hdmi_infoframe_header header; 297 enum hdmi_colorspace colorspace; 298 enum hdmi_scan_mode scan_mode; 299 enum hdmi_colorimetry colorimetry; 300 enum hdmi_picture_aspect picture_aspect; 301 enum hdmi_active_aspect active_aspect; 302 bool itc; 303 enum hdmi_extended_colorimetry extended_colorimetry; 304 enum hdmi_quantization_range quantization_range; 305 enum hdmi_nups nups; 306 uint8_t video_code; 307 enum hdmi_ycc_quantization_range ycc_quantization_range; 308 enum hdmi_content_type content_type; 309 uint8_t pixel_repeat; 310 uint16_t top_bar; 311 uint16_t bottom_bar; 312 uint16_t left_bar; 313 uint16_t right_bar; 314 }; 315 316 static inline int 317 hdmi_avi_infoframe_init(struct hdmi_avi_infoframe *frame) 318 { 319 static const struct hdmi_avi_infoframe zero_frame; 320 321 *frame = zero_frame; 322 323 hdmi_infoframe_header_init(&frame->header, HDMI_INFOFRAME_TYPE_AVI, 2, 324 HDMI_AVI_INFOFRAME_SIZE); 325 326 return 0; 327 } 328 329 static inline ssize_t 330 hdmi_avi_infoframe_pack(const struct hdmi_avi_infoframe *frame, void *buf, 331 size_t size) 332 { 333 const size_t length = HDMI_INFOFRAME_HEADER_SIZE + 334 HDMI_AVI_INFOFRAME_SIZE; 335 uint8_t *p = buf; 336 int ret; 337 338 KASSERT(frame->header.length == HDMI_AVI_INFOFRAME_SIZE); 339 340 ret = hdmi_infoframe_header_pack(&frame->header, length, p, size); 341 if (ret < 0) 342 return ret; 343 KASSERT(ret == HDMI_INFOFRAME_HEADER_SIZE); 344 p += HDMI_INFOFRAME_HEADER_SIZE; 345 size -= HDMI_INFOFRAME_HEADER_SIZE; 346 347 p[0] = __SHIFTIN(frame->colorspace, __BITS(6,5)); 348 p[0] |= __SHIFTIN(frame->active_aspect & 0xf? 1 : 0, __BIT(4)); 349 p[0] |= __SHIFTIN(frame->top_bar || frame->bottom_bar, __BIT(3)); 350 p[0] |= __SHIFTIN(frame->left_bar || frame->right_bar, __BIT(2)); 351 p[0] |= __SHIFTIN(frame->scan_mode, __BITS(1,0)); 352 353 p[1] = __SHIFTIN(frame->colorimetry, __BITS(7,6)); 354 p[1] |= __SHIFTIN(frame->picture_aspect, __BITS(5,4)); 355 p[1] |= __SHIFTIN(frame->active_aspect, __BITS(3,0)); 356 357 p[2] = __SHIFTIN(frame->itc? 1 : 0, __BIT(7)); 358 p[2] |= __SHIFTIN(frame->extended_colorimetry, __BITS(6,4)); 359 p[2] |= __SHIFTIN(frame->quantization_range, __BITS(3,2)); 360 p[2] |= __SHIFTIN(frame->nups, __BITS(1,0)); 361 362 p[3] = frame->video_code; 363 364 p[4] = __SHIFTIN(frame->ycc_quantization_range, __BITS(7,6)); 365 p[4] |= __SHIFTIN(frame->content_type, __BITS(5,4)); 366 p[4] |= __SHIFTIN(frame->pixel_repeat, __BITS(3,0)); 367 368 le16enc(&p[5], frame->top_bar); 369 le16enc(&p[7], frame->bottom_bar); 370 le16enc(&p[9], frame->left_bar); 371 le16enc(&p[11], frame->right_bar); 372 CTASSERT(HDMI_AVI_INFOFRAME_SIZE == 13); 373 374 hdmi_infoframe_checksum(buf, length); 375 376 return length; 377 } 378 379 #define HDMI_SPD_INFOFRAME_SIZE 25 380 struct hdmi_spd_infoframe { 381 struct hdmi_infoframe_header header; 382 char vendor[8]; 383 char product[16]; 384 enum hdmi_spd_sdi { 385 HDMI_SPD_SDI_UNKNOWN = 0, 386 HDMI_SPD_SDI_DSTB = 1, 387 HDMI_SPD_SDI_DVDP = 2, 388 HDMI_SPD_SDI_DVHS = 3, 389 HDMI_SPD_SDI_HDDVR = 4, 390 HDMI_SPD_SDI_DVC = 5, 391 HDMI_SPD_SDI_DSC = 6, 392 HDMI_SPD_SDI_VCD = 7, 393 HDMI_SPD_SDI_GAME = 8, 394 HDMI_SPD_SDI_PC = 9, 395 HDMI_SPD_SDI_BD = 10, 396 HDMI_SPD_SDI_SACD = 11, 397 HDMI_SPD_SDI_HDDVD = 12, 398 HDMI_SPD_SDI_PMP = 13, 399 } sdi; 400 }; 401 402 static inline int 403 hdmi_spd_infoframe_init(struct hdmi_spd_infoframe *frame, const char *vendor, 404 const char *product) 405 { 406 static const struct hdmi_spd_infoframe zero_frame; 407 408 *frame = zero_frame; 409 410 hdmi_infoframe_header_init(&frame->header, HDMI_INFOFRAME_TYPE_SPD, 411 1, HDMI_SPD_INFOFRAME_SIZE); 412 413 (void)strlcpy(frame->vendor, vendor, sizeof(frame->vendor)); 414 (void)strlcpy(frame->product, product, sizeof(frame->product)); 415 416 return 0; 417 } 418 419 static inline ssize_t 420 hdmi_spd_infoframe_pack(struct hdmi_spd_infoframe *frame, void *buf, 421 size_t size) 422 { 423 const size_t length = HDMI_INFOFRAME_HEADER_SIZE + 424 HDMI_SPD_INFOFRAME_SIZE; 425 uint8_t *p = buf; 426 int ret; 427 428 KASSERT(frame->header.length == HDMI_SPD_INFOFRAME_SIZE); 429 430 ret = hdmi_infoframe_header_pack(&frame->header, length, p, size); 431 if (ret < 0) 432 return ret; 433 KASSERT(ret == HDMI_INFOFRAME_HEADER_SIZE); 434 p += HDMI_INFOFRAME_HEADER_SIZE; 435 size -= HDMI_INFOFRAME_HEADER_SIZE; 436 437 (void)memcpy(&p[0], frame->vendor, 8); 438 (void)memcpy(&p[8], frame->product, 16); 439 p[24] = frame->sdi; 440 441 hdmi_infoframe_checksum(buf, length); 442 443 return length; 444 } 445 446 #define HDMI_IEEE_OUI 0x000c03 447 448 struct hdmi_vendor_infoframe { 449 struct hdmi_infoframe_header header; 450 uint32_t oui; 451 uint8_t vic; 452 enum hdmi_3d_structure s3d_struct; 453 unsigned s3d_ext_data; 454 }; 455 456 union hdmi_vendor_any_infoframe { 457 struct { 458 struct hdmi_infoframe_header header; 459 uint32_t oui; 460 } any; 461 struct hdmi_vendor_infoframe hdmi; 462 }; 463 464 static inline int 465 hdmi_vendor_infoframe_init(struct hdmi_vendor_infoframe *frame) 466 { 467 static const struct hdmi_vendor_infoframe zero_frame; 468 469 *frame = zero_frame; 470 471 hdmi_infoframe_header_init(&frame->header, HDMI_INFOFRAME_TYPE_VENDOR, 472 1, 0 /* depends on s3d_struct */); 473 474 frame->oui = HDMI_IEEE_OUI; 475 frame->s3d_struct = HDMI_3D_STRUCTURE_INVALID; 476 477 return 0; 478 } 479 480 static inline int 481 hdmi_vendor_infoframe_pack(const struct hdmi_vendor_infoframe *frame, 482 void *buf, size_t size) 483 { 484 uint8_t *p = buf; 485 size_t length; 486 int ret; 487 488 /* Exactly one must be supplied. */ 489 if ((frame->vic == 0) == 490 (frame->s3d_struct == HDMI_3D_STRUCTURE_INVALID)) 491 return -EINVAL; 492 493 length = HDMI_INFOFRAME_HEADER_SIZE + 6; 494 if (frame->s3d_struct >= HDMI_3D_STRUCTURE_SIDE_BY_SIDE_HALF) 495 length += 1; 496 497 ret = hdmi_infoframe_header_pack(&frame->header, length, p, size); 498 if (ret < 0) 499 return ret; 500 KASSERT(ret == HDMI_INFOFRAME_HEADER_SIZE); 501 p += HDMI_INFOFRAME_HEADER_SIZE; 502 size -= HDMI_INFOFRAME_HEADER_SIZE; 503 504 p[0] = 0x03; 505 p[1] = 0x0c; 506 p[2] = 0x00; 507 508 if (frame->vic == 0) { 509 p[3] = __SHIFTIN(0x2, __BITS(6,5)); 510 p[4] = __SHIFTIN(frame->s3d_struct, __BITS(7,4)); 511 if (frame->s3d_struct >= HDMI_3D_STRUCTURE_SIDE_BY_SIDE_HALF) 512 p[9] = __SHIFTIN(frame->s3d_ext_data, __BITS(7,4)); 513 } else { 514 p[3] = __SHIFTIN(0x1, __BITS(6,5)); 515 p[4] = frame->vic; 516 } 517 518 hdmi_infoframe_checksum(buf, length); 519 520 return length; 521 } 522 523 union hdmi_infoframe { 524 struct hdmi_infoframe_header any; 525 struct hdmi_avi_infoframe avi; 526 struct hdmi_spd_infoframe spd; 527 union hdmi_vendor_any_infoframe vendor; 528 }; 529 530 static inline ssize_t 531 hdmi_infoframe_pack(union hdmi_infoframe *frame, void *buf, size_t size) 532 { 533 534 switch (frame->any.type) { 535 case HDMI_INFOFRAME_TYPE_AVI: 536 return hdmi_avi_infoframe_pack(&frame->avi, buf, size); 537 case HDMI_INFOFRAME_TYPE_SPD: 538 return hdmi_spd_infoframe_pack(&frame->spd, buf, size); 539 case HDMI_INFOFRAME_TYPE_VENDOR: 540 return hdmi_vendor_infoframe_pack(&frame->vendor.hdmi, buf, 541 size); 542 default: 543 return -EINVAL; 544 } 545 } 546 547 #endif /* _LINUX_HDMI_H_ */ 548
Indexes created Wed Sep 24 05:09:52 GMT 2025