Lines Matching +full:frame +full:- +full:buffer
17 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
44 return 256 - csum; in hdmi_infoframe_checksum()
47 static void hdmi_infoframe_set_checksum(void *buffer, size_t size) in hdmi_infoframe_set_checksum() argument
49 u8 *ptr = buffer; in hdmi_infoframe_set_checksum()
51 ptr[3] = hdmi_infoframe_checksum(buffer, size); in hdmi_infoframe_set_checksum()
55 * hdmi_avi_infoframe_init() - initialize an HDMI AVI infoframe
56 * @frame: HDMI AVI infoframe
58 void hdmi_avi_infoframe_init(struct hdmi_avi_infoframe *frame) in hdmi_avi_infoframe_init() argument
60 memset(frame, 0, sizeof(*frame)); in hdmi_avi_infoframe_init()
62 frame->type = HDMI_INFOFRAME_TYPE_AVI; in hdmi_avi_infoframe_init()
63 frame->version = 2; in hdmi_avi_infoframe_init()
64 frame->length = HDMI_AVI_INFOFRAME_SIZE; in hdmi_avi_infoframe_init()
68 static int hdmi_avi_infoframe_check_only(const struct hdmi_avi_infoframe *frame) in hdmi_avi_infoframe_check_only() argument
70 if (frame->type != HDMI_INFOFRAME_TYPE_AVI || in hdmi_avi_infoframe_check_only()
71 frame->version != 2 || in hdmi_avi_infoframe_check_only()
72 frame->length != HDMI_AVI_INFOFRAME_SIZE) in hdmi_avi_infoframe_check_only()
73 return -EINVAL; in hdmi_avi_infoframe_check_only()
75 if (frame->picture_aspect > HDMI_PICTURE_ASPECT_16_9) in hdmi_avi_infoframe_check_only()
76 return -EINVAL; in hdmi_avi_infoframe_check_only()
82 * hdmi_avi_infoframe_check() - check a HDMI AVI infoframe
83 * @frame: HDMI AVI infoframe
90 int hdmi_avi_infoframe_check(struct hdmi_avi_infoframe *frame) in hdmi_avi_infoframe_check() argument
92 return hdmi_avi_infoframe_check_only(frame); in hdmi_avi_infoframe_check()
97 * hdmi_avi_infoframe_pack_only() - write HDMI AVI infoframe to binary buffer
98 * @frame: HDMI AVI infoframe
99 * @buffer: destination buffer
100 * @size: size of buffer
102 * Packs the information contained in the @frame structure into a binary
107 * Returns the number of bytes packed into the binary buffer or a negative
110 ssize_t hdmi_avi_infoframe_pack_only(const struct hdmi_avi_infoframe *frame, in hdmi_avi_infoframe_pack_only() argument
111 void *buffer, size_t size) in hdmi_avi_infoframe_pack_only() argument
113 u8 *ptr = buffer; in hdmi_avi_infoframe_pack_only()
117 ret = hdmi_avi_infoframe_check_only(frame); in hdmi_avi_infoframe_pack_only()
121 length = HDMI_INFOFRAME_HEADER_SIZE + frame->length; in hdmi_avi_infoframe_pack_only()
124 return -ENOSPC; in hdmi_avi_infoframe_pack_only()
126 memset(buffer, 0, size); in hdmi_avi_infoframe_pack_only()
128 ptr[0] = frame->type; in hdmi_avi_infoframe_pack_only()
129 ptr[1] = frame->version; in hdmi_avi_infoframe_pack_only()
130 ptr[2] = frame->length; in hdmi_avi_infoframe_pack_only()
136 ptr[0] = ((frame->colorspace & 0x3) << 5) | (frame->scan_mode & 0x3); in hdmi_avi_infoframe_pack_only()
142 if (frame->active_aspect & 0xf) in hdmi_avi_infoframe_pack_only()
146 if (frame->top_bar || frame->bottom_bar) in hdmi_avi_infoframe_pack_only()
149 if (frame->left_bar || frame->right_bar) in hdmi_avi_infoframe_pack_only()
152 ptr[1] = ((frame->colorimetry & 0x3) << 6) | in hdmi_avi_infoframe_pack_only()
153 ((frame->picture_aspect & 0x3) << 4) | in hdmi_avi_infoframe_pack_only()
154 (frame->active_aspect & 0xf); in hdmi_avi_infoframe_pack_only()
156 ptr[2] = ((frame->extended_colorimetry & 0x7) << 4) | in hdmi_avi_infoframe_pack_only()
157 ((frame->quantization_range & 0x3) << 2) | in hdmi_avi_infoframe_pack_only()
158 (frame->nups & 0x3); in hdmi_avi_infoframe_pack_only()
160 if (frame->itc) in hdmi_avi_infoframe_pack_only()
163 ptr[3] = frame->video_code & 0x7f; in hdmi_avi_infoframe_pack_only()
165 ptr[4] = ((frame->ycc_quantization_range & 0x3) << 6) | in hdmi_avi_infoframe_pack_only()
166 ((frame->content_type & 0x3) << 4) | in hdmi_avi_infoframe_pack_only()
167 (frame->pixel_repeat & 0xf); in hdmi_avi_infoframe_pack_only()
169 ptr[5] = frame->top_bar & 0xff; in hdmi_avi_infoframe_pack_only()
170 ptr[6] = (frame->top_bar >> 8) & 0xff; in hdmi_avi_infoframe_pack_only()
171 ptr[7] = frame->bottom_bar & 0xff; in hdmi_avi_infoframe_pack_only()
172 ptr[8] = (frame->bottom_bar >> 8) & 0xff; in hdmi_avi_infoframe_pack_only()
173 ptr[9] = frame->left_bar & 0xff; in hdmi_avi_infoframe_pack_only()
174 ptr[10] = (frame->left_bar >> 8) & 0xff; in hdmi_avi_infoframe_pack_only()
175 ptr[11] = frame->right_bar & 0xff; in hdmi_avi_infoframe_pack_only()
176 ptr[12] = (frame->right_bar >> 8) & 0xff; in hdmi_avi_infoframe_pack_only()
178 hdmi_infoframe_set_checksum(buffer, length); in hdmi_avi_infoframe_pack_only()
185 * hdmi_avi_infoframe_pack() - check a HDMI AVI infoframe,
186 * and write it to binary buffer
187 * @frame: HDMI AVI infoframe
188 * @buffer: destination buffer
189 * @size: size of buffer
193 * contained in the @frame structure into a binary representation that
198 * Returns the number of bytes packed into the binary buffer or a negative
201 ssize_t hdmi_avi_infoframe_pack(struct hdmi_avi_infoframe *frame, in hdmi_avi_infoframe_pack() argument
202 void *buffer, size_t size) in hdmi_avi_infoframe_pack() argument
206 ret = hdmi_avi_infoframe_check(frame); in hdmi_avi_infoframe_pack()
210 return hdmi_avi_infoframe_pack_only(frame, buffer, size); in hdmi_avi_infoframe_pack()
215 * hdmi_spd_infoframe_init() - initialize an HDMI SPD infoframe
216 * @frame: HDMI SPD infoframe
222 int hdmi_spd_infoframe_init(struct hdmi_spd_infoframe *frame, in hdmi_spd_infoframe_init() argument
227 memset(frame, 0, sizeof(*frame)); in hdmi_spd_infoframe_init()
229 frame->type = HDMI_INFOFRAME_TYPE_SPD; in hdmi_spd_infoframe_init()
230 frame->version = 1; in hdmi_spd_infoframe_init()
231 frame->length = HDMI_SPD_INFOFRAME_SIZE; in hdmi_spd_infoframe_init()
234 memcpy(frame->vendor, vendor, min(len, sizeof(frame->vendor))); in hdmi_spd_infoframe_init()
236 memcpy(frame->product, product, min(len, sizeof(frame->product))); in hdmi_spd_infoframe_init()
242 static int hdmi_spd_infoframe_check_only(const struct hdmi_spd_infoframe *frame) in hdmi_spd_infoframe_check_only() argument
244 if (frame->type != HDMI_INFOFRAME_TYPE_SPD || in hdmi_spd_infoframe_check_only()
245 frame->version != 1 || in hdmi_spd_infoframe_check_only()
246 frame->length != HDMI_SPD_INFOFRAME_SIZE) in hdmi_spd_infoframe_check_only()
247 return -EINVAL; in hdmi_spd_infoframe_check_only()
253 * hdmi_spd_infoframe_check() - check a HDMI SPD infoframe
254 * @frame: HDMI SPD infoframe
261 int hdmi_spd_infoframe_check(struct hdmi_spd_infoframe *frame) in hdmi_spd_infoframe_check() argument
263 return hdmi_spd_infoframe_check_only(frame); in hdmi_spd_infoframe_check()
268 * hdmi_spd_infoframe_pack_only() - write HDMI SPD infoframe to binary buffer
269 * @frame: HDMI SPD infoframe
270 * @buffer: destination buffer
271 * @size: size of buffer
273 * Packs the information contained in the @frame structure into a binary
278 * Returns the number of bytes packed into the binary buffer or a negative
281 ssize_t hdmi_spd_infoframe_pack_only(const struct hdmi_spd_infoframe *frame, in hdmi_spd_infoframe_pack_only() argument
282 void *buffer, size_t size) in hdmi_spd_infoframe_pack_only() argument
284 u8 *ptr = buffer; in hdmi_spd_infoframe_pack_only()
288 ret = hdmi_spd_infoframe_check_only(frame); in hdmi_spd_infoframe_pack_only()
292 length = HDMI_INFOFRAME_HEADER_SIZE + frame->length; in hdmi_spd_infoframe_pack_only()
295 return -ENOSPC; in hdmi_spd_infoframe_pack_only()
297 memset(buffer, 0, size); in hdmi_spd_infoframe_pack_only()
299 ptr[0] = frame->type; in hdmi_spd_infoframe_pack_only()
300 ptr[1] = frame->version; in hdmi_spd_infoframe_pack_only()
301 ptr[2] = frame->length; in hdmi_spd_infoframe_pack_only()
307 memcpy(ptr, frame->vendor, sizeof(frame->vendor)); in hdmi_spd_infoframe_pack_only()
308 memcpy(ptr + 8, frame->product, sizeof(frame->product)); in hdmi_spd_infoframe_pack_only()
310 ptr[24] = frame->sdi; in hdmi_spd_infoframe_pack_only()
312 hdmi_infoframe_set_checksum(buffer, length); in hdmi_spd_infoframe_pack_only()
319 * hdmi_spd_infoframe_pack() - check a HDMI SPD infoframe,
320 * and write it to binary buffer
321 * @frame: HDMI SPD infoframe
322 * @buffer: destination buffer
323 * @size: size of buffer
327 * contained in the @frame structure into a binary representation that
332 * Returns the number of bytes packed into the binary buffer or a negative
335 ssize_t hdmi_spd_infoframe_pack(struct hdmi_spd_infoframe *frame, in hdmi_spd_infoframe_pack() argument
336 void *buffer, size_t size) in hdmi_spd_infoframe_pack() argument
340 ret = hdmi_spd_infoframe_check(frame); in hdmi_spd_infoframe_pack()
344 return hdmi_spd_infoframe_pack_only(frame, buffer, size); in hdmi_spd_infoframe_pack()
349 * hdmi_audio_infoframe_init() - initialize an HDMI audio infoframe
350 * @frame: HDMI audio infoframe
354 int hdmi_audio_infoframe_init(struct hdmi_audio_infoframe *frame) in hdmi_audio_infoframe_init() argument
356 memset(frame, 0, sizeof(*frame)); in hdmi_audio_infoframe_init()
358 frame->type = HDMI_INFOFRAME_TYPE_AUDIO; in hdmi_audio_infoframe_init()
359 frame->version = 1; in hdmi_audio_infoframe_init()
360 frame->length = HDMI_AUDIO_INFOFRAME_SIZE; in hdmi_audio_infoframe_init()
366 static int hdmi_audio_infoframe_check_only(const struct hdmi_audio_infoframe *frame) in hdmi_audio_infoframe_check_only() argument
368 if (frame->type != HDMI_INFOFRAME_TYPE_AUDIO || in hdmi_audio_infoframe_check_only()
369 frame->version != 1 || in hdmi_audio_infoframe_check_only()
370 frame->length != HDMI_AUDIO_INFOFRAME_SIZE) in hdmi_audio_infoframe_check_only()
371 return -EINVAL; in hdmi_audio_infoframe_check_only()
377 * hdmi_audio_infoframe_check() - check a HDMI audio infoframe
378 * @frame: HDMI audio infoframe
385 int hdmi_audio_infoframe_check(const struct hdmi_audio_infoframe *frame) in hdmi_audio_infoframe_check() argument
387 return hdmi_audio_infoframe_check_only(frame); in hdmi_audio_infoframe_check()
392 hdmi_audio_infoframe_pack_payload(const struct hdmi_audio_infoframe *frame, in hdmi_audio_infoframe_pack_payload() argument
393 u8 *buffer) in hdmi_audio_infoframe_pack_payload() argument
397 if (frame->channels >= 2) in hdmi_audio_infoframe_pack_payload()
398 channels = frame->channels - 1; in hdmi_audio_infoframe_pack_payload()
402 buffer[0] = ((frame->coding_type & 0xf) << 4) | (channels & 0x7); in hdmi_audio_infoframe_pack_payload()
403 buffer[1] = ((frame->sample_frequency & 0x7) << 2) | in hdmi_audio_infoframe_pack_payload()
404 (frame->sample_size & 0x3); in hdmi_audio_infoframe_pack_payload()
405 buffer[2] = frame->coding_type_ext & 0x1f; in hdmi_audio_infoframe_pack_payload()
406 buffer[3] = frame->channel_allocation; in hdmi_audio_infoframe_pack_payload()
407 buffer[4] = (frame->level_shift_value & 0xf) << 3; in hdmi_audio_infoframe_pack_payload()
409 if (frame->downmix_inhibit) in hdmi_audio_infoframe_pack_payload()
410 buffer[4] |= BIT(7); in hdmi_audio_infoframe_pack_payload()
414 * hdmi_audio_infoframe_pack_only() - write HDMI audio infoframe to binary buffer
415 * @frame: HDMI audio infoframe
416 * @buffer: destination buffer
417 * @size: size of buffer
419 * Packs the information contained in the @frame structure into a binary
424 * Returns the number of bytes packed into the binary buffer or a negative
427 ssize_t hdmi_audio_infoframe_pack_only(const struct hdmi_audio_infoframe *frame, in hdmi_audio_infoframe_pack_only() argument
428 void *buffer, size_t size) in hdmi_audio_infoframe_pack_only() argument
430 u8 *ptr = buffer; in hdmi_audio_infoframe_pack_only()
434 ret = hdmi_audio_infoframe_check_only(frame); in hdmi_audio_infoframe_pack_only()
438 length = HDMI_INFOFRAME_HEADER_SIZE + frame->length; in hdmi_audio_infoframe_pack_only()
441 return -ENOSPC; in hdmi_audio_infoframe_pack_only()
443 memset(buffer, 0, size); in hdmi_audio_infoframe_pack_only()
445 ptr[0] = frame->type; in hdmi_audio_infoframe_pack_only()
446 ptr[1] = frame->version; in hdmi_audio_infoframe_pack_only()
447 ptr[2] = frame->length; in hdmi_audio_infoframe_pack_only()
450 hdmi_audio_infoframe_pack_payload(frame, in hdmi_audio_infoframe_pack_only()
453 hdmi_infoframe_set_checksum(buffer, length); in hdmi_audio_infoframe_pack_only()
460 * hdmi_audio_infoframe_pack() - check a HDMI Audio infoframe,
461 * and write it to binary buffer
462 * @frame: HDMI Audio infoframe
463 * @buffer: destination buffer
464 * @size: size of buffer
468 * contained in the @frame structure into a binary representation that
473 * Returns the number of bytes packed into the binary buffer or a negative
476 ssize_t hdmi_audio_infoframe_pack(struct hdmi_audio_infoframe *frame, in hdmi_audio_infoframe_pack() argument
477 void *buffer, size_t size) in hdmi_audio_infoframe_pack() argument
481 ret = hdmi_audio_infoframe_check(frame); in hdmi_audio_infoframe_pack()
485 return hdmi_audio_infoframe_pack_only(frame, buffer, size); in hdmi_audio_infoframe_pack()
490 * hdmi_audio_infoframe_pack_for_dp - Pack a HDMI Audio infoframe for DisplayPort
492 * @frame: HDMI Audio infoframe
502 hdmi_audio_infoframe_pack_for_dp(const struct hdmi_audio_infoframe *frame, in hdmi_audio_infoframe_pack_for_dp() argument
507 ret = hdmi_audio_infoframe_check(frame); in hdmi_audio_infoframe_pack_for_dp()
511 memset(sdp->db, 0, sizeof(sdp->db)); in hdmi_audio_infoframe_pack_for_dp()
513 /* Secondary-data packet header */ in hdmi_audio_infoframe_pack_for_dp()
514 sdp->sdp_header.HB0 = 0; in hdmi_audio_infoframe_pack_for_dp()
515 sdp->sdp_header.HB1 = frame->type; in hdmi_audio_infoframe_pack_for_dp()
516 sdp->sdp_header.HB2 = DP_SDP_AUDIO_INFOFRAME_HB2; in hdmi_audio_infoframe_pack_for_dp()
517 sdp->sdp_header.HB3 = (dp_version & 0x3f) << 2; in hdmi_audio_infoframe_pack_for_dp()
519 hdmi_audio_infoframe_pack_payload(frame, sdp->db); in hdmi_audio_infoframe_pack_for_dp()
521 /* Return size = frame length + four HB for sdp_header */ in hdmi_audio_infoframe_pack_for_dp()
522 return frame->length + 4; in hdmi_audio_infoframe_pack_for_dp()
527 * hdmi_vendor_infoframe_init() - initialize an HDMI vendor infoframe
528 * @frame: HDMI vendor infoframe
532 int hdmi_vendor_infoframe_init(struct hdmi_vendor_infoframe *frame) in hdmi_vendor_infoframe_init() argument
534 memset(frame, 0, sizeof(*frame)); in hdmi_vendor_infoframe_init()
536 frame->type = HDMI_INFOFRAME_TYPE_VENDOR; in hdmi_vendor_infoframe_init()
537 frame->version = 1; in hdmi_vendor_infoframe_init()
539 frame->oui = HDMI_IEEE_OUI; in hdmi_vendor_infoframe_init()
545 frame->s3d_struct = HDMI_3D_STRUCTURE_INVALID; in hdmi_vendor_infoframe_init()
546 frame->length = HDMI_VENDOR_INFOFRAME_SIZE; in hdmi_vendor_infoframe_init()
552 static int hdmi_vendor_infoframe_length(const struct hdmi_vendor_infoframe *frame) in hdmi_vendor_infoframe_length() argument
555 if (frame->s3d_struct >= HDMI_3D_STRUCTURE_SIDE_BY_SIDE_HALF) in hdmi_vendor_infoframe_length()
557 else if (frame->vic != 0 || frame->s3d_struct != HDMI_3D_STRUCTURE_INVALID) in hdmi_vendor_infoframe_length()
563 static int hdmi_vendor_infoframe_check_only(const struct hdmi_vendor_infoframe *frame) in hdmi_vendor_infoframe_check_only() argument
565 if (frame->type != HDMI_INFOFRAME_TYPE_VENDOR || in hdmi_vendor_infoframe_check_only()
566 frame->version != 1 || in hdmi_vendor_infoframe_check_only()
567 frame->oui != HDMI_IEEE_OUI) in hdmi_vendor_infoframe_check_only()
568 return -EINVAL; in hdmi_vendor_infoframe_check_only()
571 if (frame->vic != 0 && frame->s3d_struct != HDMI_3D_STRUCTURE_INVALID) in hdmi_vendor_infoframe_check_only()
572 return -EINVAL; in hdmi_vendor_infoframe_check_only()
574 if (frame->length != hdmi_vendor_infoframe_length(frame)) in hdmi_vendor_infoframe_check_only()
575 return -EINVAL; in hdmi_vendor_infoframe_check_only()
581 * hdmi_vendor_infoframe_check() - check a HDMI vendor infoframe
582 * @frame: HDMI infoframe
589 int hdmi_vendor_infoframe_check(struct hdmi_vendor_infoframe *frame) in hdmi_vendor_infoframe_check() argument
591 frame->length = hdmi_vendor_infoframe_length(frame); in hdmi_vendor_infoframe_check()
593 return hdmi_vendor_infoframe_check_only(frame); in hdmi_vendor_infoframe_check()
598 * hdmi_vendor_infoframe_pack_only() - write a HDMI vendor infoframe to binary buffer
599 * @frame: HDMI infoframe
600 * @buffer: destination buffer
601 * @size: size of buffer
603 * Packs the information contained in the @frame structure into a binary
608 * Returns the number of bytes packed into the binary buffer or a negative
611 ssize_t hdmi_vendor_infoframe_pack_only(const struct hdmi_vendor_infoframe *frame, in hdmi_vendor_infoframe_pack_only() argument
612 void *buffer, size_t size) in hdmi_vendor_infoframe_pack_only() argument
614 u8 *ptr = buffer; in hdmi_vendor_infoframe_pack_only()
618 ret = hdmi_vendor_infoframe_check_only(frame); in hdmi_vendor_infoframe_pack_only()
622 length = HDMI_INFOFRAME_HEADER_SIZE + frame->length; in hdmi_vendor_infoframe_pack_only()
625 return -ENOSPC; in hdmi_vendor_infoframe_pack_only()
627 memset(buffer, 0, size); in hdmi_vendor_infoframe_pack_only()
629 ptr[0] = frame->type; in hdmi_vendor_infoframe_pack_only()
630 ptr[1] = frame->version; in hdmi_vendor_infoframe_pack_only()
631 ptr[2] = frame->length; in hdmi_vendor_infoframe_pack_only()
639 if (frame->s3d_struct != HDMI_3D_STRUCTURE_INVALID) { in hdmi_vendor_infoframe_pack_only()
641 ptr[8] = (frame->s3d_struct & 0xf) << 4; in hdmi_vendor_infoframe_pack_only()
642 if (frame->s3d_struct >= HDMI_3D_STRUCTURE_SIDE_BY_SIDE_HALF) in hdmi_vendor_infoframe_pack_only()
643 ptr[9] = (frame->s3d_ext_data & 0xf) << 4; in hdmi_vendor_infoframe_pack_only()
644 } else if (frame->vic) { in hdmi_vendor_infoframe_pack_only()
646 ptr[8] = frame->vic; in hdmi_vendor_infoframe_pack_only()
651 hdmi_infoframe_set_checksum(buffer, length); in hdmi_vendor_infoframe_pack_only()
658 * hdmi_vendor_infoframe_pack() - check a HDMI Vendor infoframe,
659 * and write it to binary buffer
660 * @frame: HDMI Vendor infoframe
661 * @buffer: destination buffer
662 * @size: size of buffer
666 * contained in the @frame structure into a binary representation that
671 * Returns the number of bytes packed into the binary buffer or a negative
674 ssize_t hdmi_vendor_infoframe_pack(struct hdmi_vendor_infoframe *frame, in hdmi_vendor_infoframe_pack() argument
675 void *buffer, size_t size) in hdmi_vendor_infoframe_pack() argument
679 ret = hdmi_vendor_infoframe_check(frame); in hdmi_vendor_infoframe_pack()
683 return hdmi_vendor_infoframe_pack_only(frame, buffer, size); in hdmi_vendor_infoframe_pack()
688 hdmi_vendor_any_infoframe_check_only(const union hdmi_vendor_any_infoframe *frame) in hdmi_vendor_any_infoframe_check_only() argument
690 if (frame->any.type != HDMI_INFOFRAME_TYPE_VENDOR || in hdmi_vendor_any_infoframe_check_only()
691 frame->any.version != 1) in hdmi_vendor_any_infoframe_check_only()
692 return -EINVAL; in hdmi_vendor_any_infoframe_check_only()
698 * hdmi_drm_infoframe_init() - initialize an HDMI Dynaminc Range and
700 * @frame: HDMI DRM infoframe
704 int hdmi_drm_infoframe_init(struct hdmi_drm_infoframe *frame) in hdmi_drm_infoframe_init() argument
706 memset(frame, 0, sizeof(*frame)); in hdmi_drm_infoframe_init()
708 frame->type = HDMI_INFOFRAME_TYPE_DRM; in hdmi_drm_infoframe_init()
709 frame->version = 1; in hdmi_drm_infoframe_init()
710 frame->length = HDMI_DRM_INFOFRAME_SIZE; in hdmi_drm_infoframe_init()
716 static int hdmi_drm_infoframe_check_only(const struct hdmi_drm_infoframe *frame) in hdmi_drm_infoframe_check_only() argument
718 if (frame->type != HDMI_INFOFRAME_TYPE_DRM || in hdmi_drm_infoframe_check_only()
719 frame->version != 1) in hdmi_drm_infoframe_check_only()
720 return -EINVAL; in hdmi_drm_infoframe_check_only()
722 if (frame->length != HDMI_DRM_INFOFRAME_SIZE) in hdmi_drm_infoframe_check_only()
723 return -EINVAL; in hdmi_drm_infoframe_check_only()
729 * hdmi_drm_infoframe_check() - check a HDMI DRM infoframe
730 * @frame: HDMI DRM infoframe
735 int hdmi_drm_infoframe_check(struct hdmi_drm_infoframe *frame) in hdmi_drm_infoframe_check() argument
737 return hdmi_drm_infoframe_check_only(frame); in hdmi_drm_infoframe_check()
742 * hdmi_drm_infoframe_pack_only() - write HDMI DRM infoframe to binary buffer
743 * @frame: HDMI DRM infoframe
744 * @buffer: destination buffer
745 * @size: size of buffer
747 * Packs the information contained in the @frame structure into a binary
752 * Returns the number of bytes packed into the binary buffer or a negative
755 ssize_t hdmi_drm_infoframe_pack_only(const struct hdmi_drm_infoframe *frame, in hdmi_drm_infoframe_pack_only() argument
756 void *buffer, size_t size) in hdmi_drm_infoframe_pack_only() argument
758 u8 *ptr = buffer; in hdmi_drm_infoframe_pack_only()
762 length = HDMI_INFOFRAME_HEADER_SIZE + frame->length; in hdmi_drm_infoframe_pack_only()
765 return -ENOSPC; in hdmi_drm_infoframe_pack_only()
767 memset(buffer, 0, size); in hdmi_drm_infoframe_pack_only()
769 ptr[0] = frame->type; in hdmi_drm_infoframe_pack_only()
770 ptr[1] = frame->version; in hdmi_drm_infoframe_pack_only()
771 ptr[2] = frame->length; in hdmi_drm_infoframe_pack_only()
777 *ptr++ = frame->eotf; in hdmi_drm_infoframe_pack_only()
778 *ptr++ = frame->metadata_type; in hdmi_drm_infoframe_pack_only()
781 *ptr++ = frame->display_primaries[i].x; in hdmi_drm_infoframe_pack_only()
782 *ptr++ = frame->display_primaries[i].x >> 8; in hdmi_drm_infoframe_pack_only()
783 *ptr++ = frame->display_primaries[i].y; in hdmi_drm_infoframe_pack_only()
784 *ptr++ = frame->display_primaries[i].y >> 8; in hdmi_drm_infoframe_pack_only()
787 *ptr++ = frame->white_point.x; in hdmi_drm_infoframe_pack_only()
788 *ptr++ = frame->white_point.x >> 8; in hdmi_drm_infoframe_pack_only()
790 *ptr++ = frame->white_point.y; in hdmi_drm_infoframe_pack_only()
791 *ptr++ = frame->white_point.y >> 8; in hdmi_drm_infoframe_pack_only()
793 *ptr++ = frame->max_display_mastering_luminance; in hdmi_drm_infoframe_pack_only()
794 *ptr++ = frame->max_display_mastering_luminance >> 8; in hdmi_drm_infoframe_pack_only()
796 *ptr++ = frame->min_display_mastering_luminance; in hdmi_drm_infoframe_pack_only()
797 *ptr++ = frame->min_display_mastering_luminance >> 8; in hdmi_drm_infoframe_pack_only()
799 *ptr++ = frame->max_cll; in hdmi_drm_infoframe_pack_only()
800 *ptr++ = frame->max_cll >> 8; in hdmi_drm_infoframe_pack_only()
802 *ptr++ = frame->max_fall; in hdmi_drm_infoframe_pack_only()
803 *ptr++ = frame->max_fall >> 8; in hdmi_drm_infoframe_pack_only()
805 hdmi_infoframe_set_checksum(buffer, length); in hdmi_drm_infoframe_pack_only()
812 * hdmi_drm_infoframe_pack() - check a HDMI DRM infoframe,
813 * and write it to binary buffer
814 * @frame: HDMI DRM infoframe
815 * @buffer: destination buffer
816 * @size: size of buffer
820 * contained in the @frame structure into a binary representation that
825 * Returns the number of bytes packed into the binary buffer or a negative
828 ssize_t hdmi_drm_infoframe_pack(struct hdmi_drm_infoframe *frame, in hdmi_drm_infoframe_pack() argument
829 void *buffer, size_t size) in hdmi_drm_infoframe_pack() argument
833 ret = hdmi_drm_infoframe_check(frame); in hdmi_drm_infoframe_pack()
837 return hdmi_drm_infoframe_pack_only(frame, buffer, size); in hdmi_drm_infoframe_pack()
842 * hdmi_vendor_any_infoframe_check() - check a vendor infoframe
845 hdmi_vendor_any_infoframe_check(union hdmi_vendor_any_infoframe *frame) in hdmi_vendor_any_infoframe_check() argument
849 ret = hdmi_vendor_any_infoframe_check_only(frame); in hdmi_vendor_any_infoframe_check()
854 if (frame->any.oui != HDMI_IEEE_OUI) in hdmi_vendor_any_infoframe_check()
855 return -EINVAL; in hdmi_vendor_any_infoframe_check()
857 return hdmi_vendor_infoframe_check(&frame->hdmi); in hdmi_vendor_any_infoframe_check()
861 * hdmi_vendor_any_infoframe_pack_only() - write a vendor infoframe to binary buffer
864 hdmi_vendor_any_infoframe_pack_only(const union hdmi_vendor_any_infoframe *frame, in hdmi_vendor_any_infoframe_pack_only() argument
865 void *buffer, size_t size) in hdmi_vendor_any_infoframe_pack_only() argument
869 ret = hdmi_vendor_any_infoframe_check_only(frame); in hdmi_vendor_any_infoframe_pack_only()
874 if (frame->any.oui != HDMI_IEEE_OUI) in hdmi_vendor_any_infoframe_pack_only()
875 return -EINVAL; in hdmi_vendor_any_infoframe_pack_only()
877 return hdmi_vendor_infoframe_pack_only(&frame->hdmi, buffer, size); in hdmi_vendor_any_infoframe_pack_only()
881 * hdmi_vendor_any_infoframe_pack() - check a vendor infoframe,
882 * and write it to binary buffer
885 hdmi_vendor_any_infoframe_pack(union hdmi_vendor_any_infoframe *frame, in hdmi_vendor_any_infoframe_pack() argument
886 void *buffer, size_t size) in hdmi_vendor_any_infoframe_pack() argument
890 ret = hdmi_vendor_any_infoframe_check(frame); in hdmi_vendor_any_infoframe_pack()
894 return hdmi_vendor_any_infoframe_pack_only(frame, buffer, size); in hdmi_vendor_any_infoframe_pack()
898 * hdmi_infoframe_pack_only() - write a HDMI infoframe to binary buffer
899 * @frame: HDMI infoframe
900 * @buffer: destination buffer
901 * @size: size of buffer
903 * Packs the information contained in the @frame structure into a binary
908 * Returns the number of bytes packed into the binary buffer or a negative
912 hdmi_infoframe_pack_only(const union hdmi_infoframe *frame, void *buffer, size_t size) in hdmi_infoframe_pack_only() argument
916 switch (frame->any.type) { in hdmi_infoframe_pack_only()
918 length = hdmi_avi_infoframe_pack_only(&frame->avi, in hdmi_infoframe_pack_only()
919 buffer, size); in hdmi_infoframe_pack_only()
922 length = hdmi_drm_infoframe_pack_only(&frame->drm, in hdmi_infoframe_pack_only()
923 buffer, size); in hdmi_infoframe_pack_only()
926 length = hdmi_spd_infoframe_pack_only(&frame->spd, in hdmi_infoframe_pack_only()
927 buffer, size); in hdmi_infoframe_pack_only()
930 length = hdmi_audio_infoframe_pack_only(&frame->audio, in hdmi_infoframe_pack_only()
931 buffer, size); in hdmi_infoframe_pack_only()
934 length = hdmi_vendor_any_infoframe_pack_only(&frame->vendor, in hdmi_infoframe_pack_only()
935 buffer, size); in hdmi_infoframe_pack_only()
938 WARN(1, "Bad infoframe type %d\n", frame->any.type); in hdmi_infoframe_pack_only()
939 length = -EINVAL; in hdmi_infoframe_pack_only()
947 * hdmi_infoframe_pack() - check a HDMI infoframe,
948 * and write it to binary buffer
949 * @frame: HDMI infoframe
950 * @buffer: destination buffer
951 * @size: size of buffer
955 * contained in the @frame structure into a binary representation that
960 * Returns the number of bytes packed into the binary buffer or a negative
964 hdmi_infoframe_pack(union hdmi_infoframe *frame, in hdmi_infoframe_pack() argument
965 void *buffer, size_t size) in hdmi_infoframe_pack() argument
969 switch (frame->any.type) { in hdmi_infoframe_pack()
971 length = hdmi_avi_infoframe_pack(&frame->avi, buffer, size); in hdmi_infoframe_pack()
974 length = hdmi_drm_infoframe_pack(&frame->drm, buffer, size); in hdmi_infoframe_pack()
977 length = hdmi_spd_infoframe_pack(&frame->spd, buffer, size); in hdmi_infoframe_pack()
980 length = hdmi_audio_infoframe_pack(&frame->audio, buffer, size); in hdmi_infoframe_pack()
983 length = hdmi_vendor_any_infoframe_pack(&frame->vendor, in hdmi_infoframe_pack()
984 buffer, size); in hdmi_infoframe_pack()
987 WARN(1, "Bad infoframe type %d\n", frame->any.type); in hdmi_infoframe_pack()
988 length = -EINVAL; in hdmi_infoframe_pack()
1016 const struct hdmi_any_infoframe *frame) in hdmi_infoframe_log_header() argument
1019 hdmi_infoframe_type_get_name(frame->type), in hdmi_infoframe_log_header()
1020 frame->version, frame->length); in hdmi_infoframe_log_header()
1171 return "Unknown Non-uniform Scaling"; in hdmi_nups_get_name()
1212 const struct hdmi_avi_infoframe *frame) in hdmi_avi_infoframe_log() argument
1215 (const struct hdmi_any_infoframe *)frame); in hdmi_avi_infoframe_log()
1218 hdmi_colorspace_get_name(frame->colorspace)); in hdmi_avi_infoframe_log()
1220 hdmi_scan_mode_get_name(frame->scan_mode)); in hdmi_avi_infoframe_log()
1222 hdmi_colorimetry_get_name(frame->colorimetry)); in hdmi_avi_infoframe_log()
1224 hdmi_picture_aspect_get_name(frame->picture_aspect)); in hdmi_avi_infoframe_log()
1226 hdmi_active_aspect_get_name(frame->active_aspect)); in hdmi_avi_infoframe_log()
1227 hdmi_log(" itc: %s\n", frame->itc ? "IT Content" : "No Data"); in hdmi_avi_infoframe_log()
1229 hdmi_extended_colorimetry_get_name(frame->extended_colorimetry)); in hdmi_avi_infoframe_log()
1231 hdmi_quantization_range_get_name(frame->quantization_range)); in hdmi_avi_infoframe_log()
1232 hdmi_log(" nups: %s\n", hdmi_nups_get_name(frame->nups)); in hdmi_avi_infoframe_log()
1233 hdmi_log(" video code: %u\n", frame->video_code); in hdmi_avi_infoframe_log()
1235 hdmi_ycc_quantization_range_get_name(frame->ycc_quantization_range)); in hdmi_avi_infoframe_log()
1237 hdmi_content_type_get_name(frame->content_type)); in hdmi_avi_infoframe_log()
1238 hdmi_log(" pixel repeat: %u\n", frame->pixel_repeat); in hdmi_avi_infoframe_log()
1240 frame->top_bar, frame->bottom_bar, in hdmi_avi_infoframe_log()
1241 frame->left_bar, frame->right_bar); in hdmi_avi_infoframe_log()
1256 return "D-VHS"; in hdmi_spd_sdi_get_name()
1270 return "Blu-Ray Disc (BD)"; in hdmi_spd_sdi_get_name()
1283 const struct hdmi_spd_infoframe *frame) in hdmi_spd_infoframe_log() argument
1286 (const struct hdmi_any_infoframe *)frame); in hdmi_spd_infoframe_log()
1288 hdmi_log(" vendor: %.8s\n", frame->vendor); in hdmi_spd_infoframe_log()
1289 hdmi_log(" product: %.16s\n", frame->product); in hdmi_spd_infoframe_log()
1291 hdmi_spd_sdi_get_name(frame->sdi), frame->sdi); in hdmi_spd_infoframe_log()
1303 return "AC-3"; in hdmi_audio_coding_type_get_name()
1321 return "DTS-HD"; in hdmi_audio_coding_type_get_name()
1390 return "MPEG-4 HE AAC"; in hdmi_audio_coding_type_ext_get_name()
1392 return "MPEG-4 HE AAC v2"; in hdmi_audio_coding_type_ext_get_name()
1394 return "MPEG-4 AAC LC"; in hdmi_audio_coding_type_ext_get_name()
1398 return "MPEG-4 HE AAC + MPEG Surround"; in hdmi_audio_coding_type_ext_get_name()
1400 return "MPEG-4 AAC LC + MPEG Surround"; in hdmi_audio_coding_type_ext_get_name()
1407 const struct hdmi_audio_infoframe *frame) in hdmi_audio_infoframe_log() argument
1410 (const struct hdmi_any_infoframe *)frame); in hdmi_audio_infoframe_log()
1412 if (frame->channels) in hdmi_audio_infoframe_log()
1413 hdmi_log(" channels: %u\n", frame->channels - 1); in hdmi_audio_infoframe_log()
1417 hdmi_audio_coding_type_get_name(frame->coding_type)); in hdmi_audio_infoframe_log()
1419 hdmi_audio_sample_size_get_name(frame->sample_size)); in hdmi_audio_infoframe_log()
1421 hdmi_audio_sample_frequency_get_name(frame->sample_frequency)); in hdmi_audio_infoframe_log()
1423 hdmi_audio_coding_type_ext_get_name(frame->coding_type_ext)); in hdmi_audio_infoframe_log()
1425 frame->channel_allocation); in hdmi_audio_infoframe_log()
1427 frame->level_shift_value); in hdmi_audio_infoframe_log()
1429 frame->downmix_inhibit ? "Yes" : "No"); in hdmi_audio_infoframe_log()
1434 const struct hdmi_drm_infoframe *frame) in hdmi_drm_infoframe_log() argument
1439 (struct hdmi_any_infoframe *)frame); in hdmi_drm_infoframe_log()
1440 hdmi_log("length: %d\n", frame->length); in hdmi_drm_infoframe_log()
1441 hdmi_log("metadata type: %d\n", frame->metadata_type); in hdmi_drm_infoframe_log()
1442 hdmi_log("eotf: %d\n", frame->eotf); in hdmi_drm_infoframe_log()
1444 hdmi_log("x[%d]: %d\n", i, frame->display_primaries[i].x); in hdmi_drm_infoframe_log()
1445 hdmi_log("y[%d]: %d\n", i, frame->display_primaries[i].y); in hdmi_drm_infoframe_log()
1448 hdmi_log("white point x: %d\n", frame->white_point.x); in hdmi_drm_infoframe_log()
1449 hdmi_log("white point y: %d\n", frame->white_point.y); in hdmi_drm_infoframe_log()
1452 frame->max_display_mastering_luminance); in hdmi_drm_infoframe_log()
1454 frame->min_display_mastering_luminance); in hdmi_drm_infoframe_log()
1456 hdmi_log("max_cll: %d\n", frame->max_cll); in hdmi_drm_infoframe_log()
1457 hdmi_log("max_fall: %d\n", frame->max_fall); in hdmi_drm_infoframe_log()
1468 return "Frame Packing"; in hdmi_3d_structure_get_name()
1474 return "Side-by-side (Full)"; in hdmi_3d_structure_get_name()
1478 return "L + Depth + Graphics + Graphics-depth"; in hdmi_3d_structure_get_name()
1480 return "Top-and-Bottom"; in hdmi_3d_structure_get_name()
1482 return "Side-by-side (Half)"; in hdmi_3d_structure_get_name()
1492 const union hdmi_vendor_any_infoframe *frame) in hdmi_vendor_any_infoframe_log() argument
1494 const struct hdmi_vendor_infoframe *hvf = &frame->hdmi; in hdmi_vendor_any_infoframe_log()
1497 (const struct hdmi_any_infoframe *)frame); in hdmi_vendor_any_infoframe_log()
1499 if (frame->any.oui != HDMI_IEEE_OUI) { in hdmi_vendor_any_infoframe_log()
1503 if (hvf->vic == 0 && hvf->s3d_struct == HDMI_3D_STRUCTURE_INVALID) { in hdmi_vendor_any_infoframe_log()
1504 hdmi_log(" empty frame\n"); in hdmi_vendor_any_infoframe_log()
1508 if (hvf->vic) in hdmi_vendor_any_infoframe_log()
1509 hdmi_log(" HDMI VIC: %u\n", hvf->vic); in hdmi_vendor_any_infoframe_log()
1510 if (hvf->s3d_struct != HDMI_3D_STRUCTURE_INVALID) { in hdmi_vendor_any_infoframe_log()
1512 hdmi_3d_structure_get_name(hvf->s3d_struct)); in hdmi_vendor_any_infoframe_log()
1513 if (hvf->s3d_struct >= HDMI_3D_STRUCTURE_SIDE_BY_SIDE_HALF) in hdmi_vendor_any_infoframe_log()
1515 hvf->s3d_ext_data); in hdmi_vendor_any_infoframe_log()
1520 * hdmi_infoframe_log() - log info of HDMI infoframe
1523 * @frame: HDMI infoframe
1527 const union hdmi_infoframe *frame) in hdmi_infoframe_log() argument
1529 switch (frame->any.type) { in hdmi_infoframe_log()
1531 hdmi_avi_infoframe_log(level, dev, &frame->avi); in hdmi_infoframe_log()
1534 hdmi_spd_infoframe_log(level, dev, &frame->spd); in hdmi_infoframe_log()
1537 hdmi_audio_infoframe_log(level, dev, &frame->audio); in hdmi_infoframe_log()
1540 hdmi_vendor_any_infoframe_log(level, dev, &frame->vendor); in hdmi_infoframe_log()
1543 hdmi_drm_infoframe_log(level, dev, &frame->drm); in hdmi_infoframe_log()
1550 * hdmi_avi_infoframe_unpack() - unpack binary buffer to a HDMI AVI infoframe
1551 * @frame: HDMI AVI infoframe
1552 * @buffer: source buffer
1553 * @size: size of buffer
1555 * Unpacks the information contained in binary @buffer into a structured
1556 * @frame of the HDMI Auxiliary Video (AVI) information frame.
1562 static int hdmi_avi_infoframe_unpack(struct hdmi_avi_infoframe *frame, in hdmi_avi_infoframe_unpack() argument
1563 const void *buffer, size_t size) in hdmi_avi_infoframe_unpack() argument
1565 const u8 *ptr = buffer; in hdmi_avi_infoframe_unpack()
1568 return -EINVAL; in hdmi_avi_infoframe_unpack()
1573 return -EINVAL; in hdmi_avi_infoframe_unpack()
1575 if (hdmi_infoframe_checksum(buffer, HDMI_INFOFRAME_SIZE(AVI)) != 0) in hdmi_avi_infoframe_unpack()
1576 return -EINVAL; in hdmi_avi_infoframe_unpack()
1578 hdmi_avi_infoframe_init(frame); in hdmi_avi_infoframe_unpack()
1582 frame->colorspace = (ptr[0] >> 5) & 0x3; in hdmi_avi_infoframe_unpack()
1584 frame->active_aspect = ptr[1] & 0xf; in hdmi_avi_infoframe_unpack()
1586 frame->top_bar = (ptr[6] << 8) | ptr[5]; in hdmi_avi_infoframe_unpack()
1587 frame->bottom_bar = (ptr[8] << 8) | ptr[7]; in hdmi_avi_infoframe_unpack()
1590 frame->left_bar = (ptr[10] << 8) | ptr[9]; in hdmi_avi_infoframe_unpack()
1591 frame->right_bar = (ptr[12] << 8) | ptr[11]; in hdmi_avi_infoframe_unpack()
1593 frame->scan_mode = ptr[0] & 0x3; in hdmi_avi_infoframe_unpack()
1595 frame->colorimetry = (ptr[1] >> 6) & 0x3; in hdmi_avi_infoframe_unpack()
1596 frame->picture_aspect = (ptr[1] >> 4) & 0x3; in hdmi_avi_infoframe_unpack()
1597 frame->active_aspect = ptr[1] & 0xf; in hdmi_avi_infoframe_unpack()
1599 frame->itc = ptr[2] & 0x80 ? true : false; in hdmi_avi_infoframe_unpack()
1600 frame->extended_colorimetry = (ptr[2] >> 4) & 0x7; in hdmi_avi_infoframe_unpack()
1601 frame->quantization_range = (ptr[2] >> 2) & 0x3; in hdmi_avi_infoframe_unpack()
1602 frame->nups = ptr[2] & 0x3; in hdmi_avi_infoframe_unpack()
1604 frame->video_code = ptr[3] & 0x7f; in hdmi_avi_infoframe_unpack()
1605 frame->ycc_quantization_range = (ptr[4] >> 6) & 0x3; in hdmi_avi_infoframe_unpack()
1606 frame->content_type = (ptr[4] >> 4) & 0x3; in hdmi_avi_infoframe_unpack()
1608 frame->pixel_repeat = ptr[4] & 0xf; in hdmi_avi_infoframe_unpack()
1614 * hdmi_spd_infoframe_unpack() - unpack binary buffer to a HDMI SPD infoframe
1615 * @frame: HDMI SPD infoframe
1616 * @buffer: source buffer
1617 * @size: size of buffer
1619 * Unpacks the information contained in binary @buffer into a structured
1620 * @frame of the HDMI Source Product Description (SPD) information frame.
1626 static int hdmi_spd_infoframe_unpack(struct hdmi_spd_infoframe *frame, in hdmi_spd_infoframe_unpack() argument
1627 const void *buffer, size_t size) in hdmi_spd_infoframe_unpack() argument
1629 const u8 *ptr = buffer; in hdmi_spd_infoframe_unpack()
1633 return -EINVAL; in hdmi_spd_infoframe_unpack()
1638 return -EINVAL; in hdmi_spd_infoframe_unpack()
1641 if (hdmi_infoframe_checksum(buffer, HDMI_INFOFRAME_SIZE(SPD)) != 0) in hdmi_spd_infoframe_unpack()
1642 return -EINVAL; in hdmi_spd_infoframe_unpack()
1646 ret = hdmi_spd_infoframe_init(frame, ptr, ptr + 8); in hdmi_spd_infoframe_unpack()
1650 frame->sdi = ptr[24]; in hdmi_spd_infoframe_unpack()
1656 * hdmi_audio_infoframe_unpack() - unpack binary buffer to a HDMI AUDIO infoframe
1657 * @frame: HDMI Audio infoframe
1658 * @buffer: source buffer
1659 * @size: size of buffer
1661 * Unpacks the information contained in binary @buffer into a structured
1662 * @frame of the HDMI Audio information frame.
1668 static int hdmi_audio_infoframe_unpack(struct hdmi_audio_infoframe *frame, in hdmi_audio_infoframe_unpack() argument
1669 const void *buffer, size_t size) in hdmi_audio_infoframe_unpack() argument
1671 const u8 *ptr = buffer; in hdmi_audio_infoframe_unpack()
1675 return -EINVAL; in hdmi_audio_infoframe_unpack()
1680 return -EINVAL; in hdmi_audio_infoframe_unpack()
1683 if (hdmi_infoframe_checksum(buffer, HDMI_INFOFRAME_SIZE(AUDIO)) != 0) in hdmi_audio_infoframe_unpack()
1684 return -EINVAL; in hdmi_audio_infoframe_unpack()
1686 ret = hdmi_audio_infoframe_init(frame); in hdmi_audio_infoframe_unpack()
1692 frame->channels = ptr[0] & 0x7; in hdmi_audio_infoframe_unpack()
1693 frame->coding_type = (ptr[0] >> 4) & 0xf; in hdmi_audio_infoframe_unpack()
1694 frame->sample_size = ptr[1] & 0x3; in hdmi_audio_infoframe_unpack()
1695 frame->sample_frequency = (ptr[1] >> 2) & 0x7; in hdmi_audio_infoframe_unpack()
1696 frame->coding_type_ext = ptr[2] & 0x1f; in hdmi_audio_infoframe_unpack()
1697 frame->channel_allocation = ptr[3]; in hdmi_audio_infoframe_unpack()
1698 frame->level_shift_value = (ptr[4] >> 3) & 0xf; in hdmi_audio_infoframe_unpack()
1699 frame->downmix_inhibit = ptr[4] & 0x80 ? true : false; in hdmi_audio_infoframe_unpack()
1705 * hdmi_vendor_any_infoframe_unpack() - unpack binary buffer to a HDMI
1707 * @frame: HDMI Vendor infoframe
1708 * @buffer: source buffer
1709 * @size: size of buffer
1711 * Unpacks the information contained in binary @buffer into a structured
1712 * @frame of the HDMI Vendor information frame.
1719 hdmi_vendor_any_infoframe_unpack(union hdmi_vendor_any_infoframe *frame, in hdmi_vendor_any_infoframe_unpack() argument
1720 const void *buffer, size_t size) in hdmi_vendor_any_infoframe_unpack() argument
1722 const u8 *ptr = buffer; in hdmi_vendor_any_infoframe_unpack()
1726 struct hdmi_vendor_infoframe *hvf = &frame->hdmi; in hdmi_vendor_any_infoframe_unpack()
1729 return -EINVAL; in hdmi_vendor_any_infoframe_unpack()
1734 return -EINVAL; in hdmi_vendor_any_infoframe_unpack()
1739 return -EINVAL; in hdmi_vendor_any_infoframe_unpack()
1741 if (hdmi_infoframe_checksum(buffer, in hdmi_vendor_any_infoframe_unpack()
1743 return -EINVAL; in hdmi_vendor_any_infoframe_unpack()
1751 return -EINVAL; in hdmi_vendor_any_infoframe_unpack()
1756 return -EINVAL; in hdmi_vendor_any_infoframe_unpack()
1762 hvf->length = length; in hdmi_vendor_any_infoframe_unpack()
1766 return -EINVAL; in hdmi_vendor_any_infoframe_unpack()
1767 hvf->s3d_struct = ptr[4] >> 4; in hdmi_vendor_any_infoframe_unpack()
1768 if (hvf->s3d_struct >= HDMI_3D_STRUCTURE_SIDE_BY_SIDE_HALF) { in hdmi_vendor_any_infoframe_unpack()
1770 return -EINVAL; in hdmi_vendor_any_infoframe_unpack()
1771 hvf->s3d_ext_data = ptr[5] >> 4; in hdmi_vendor_any_infoframe_unpack()
1775 return -EINVAL; in hdmi_vendor_any_infoframe_unpack()
1776 hvf->vic = ptr[4]; in hdmi_vendor_any_infoframe_unpack()
1779 return -EINVAL; in hdmi_vendor_any_infoframe_unpack()
1786 * hdmi_drm_infoframe_unpack_only() - unpack binary buffer of CTA-861-G DRM
1789 * @frame: HDMI DRM infoframe
1790 * @buffer: source buffer
1791 * @size: size of buffer
1793 * Unpacks CTA-861-G DRM infoframe DataBytes contained in the binary @buffer
1794 * into a structured @frame of the HDMI Dynamic Range and Mastering (DRM)
1799 int hdmi_drm_infoframe_unpack_only(struct hdmi_drm_infoframe *frame, in hdmi_drm_infoframe_unpack_only() argument
1800 const void *buffer, size_t size) in hdmi_drm_infoframe_unpack_only() argument
1802 const u8 *ptr = buffer; in hdmi_drm_infoframe_unpack_only()
1810 return -EINVAL; in hdmi_drm_infoframe_unpack_only()
1812 ret = hdmi_drm_infoframe_init(frame); in hdmi_drm_infoframe_unpack_only()
1816 frame->eotf = ptr[0] & 0x7; in hdmi_drm_infoframe_unpack_only()
1817 frame->metadata_type = ptr[1] & 0x7; in hdmi_drm_infoframe_unpack_only()
1823 frame->display_primaries[i].x = (x_msb << 8) | x_lsb; in hdmi_drm_infoframe_unpack_only()
1826 frame->display_primaries[i].y = (y_msb << 8) | y_lsb; in hdmi_drm_infoframe_unpack_only()
1829 frame->white_point.x = (ptr[15] << 8) | ptr[14]; in hdmi_drm_infoframe_unpack_only()
1830 frame->white_point.y = (ptr[17] << 8) | ptr[16]; in hdmi_drm_infoframe_unpack_only()
1832 frame->max_display_mastering_luminance = (ptr[19] << 8) | ptr[18]; in hdmi_drm_infoframe_unpack_only()
1833 frame->min_display_mastering_luminance = (ptr[21] << 8) | ptr[20]; in hdmi_drm_infoframe_unpack_only()
1834 frame->max_cll = (ptr[23] << 8) | ptr[22]; in hdmi_drm_infoframe_unpack_only()
1835 frame->max_fall = (ptr[25] << 8) | ptr[24]; in hdmi_drm_infoframe_unpack_only()
1842 * hdmi_drm_infoframe_unpack() - unpack binary buffer to a HDMI DRM infoframe
1843 * @frame: HDMI DRM infoframe
1844 * @buffer: source buffer
1845 * @size: size of buffer
1847 * Unpacks the CTA-861-G DRM infoframe contained in the binary @buffer into
1848 * a structured @frame of the HDMI Dynamic Range and Mastering (DRM)
1854 static int hdmi_drm_infoframe_unpack(struct hdmi_drm_infoframe *frame, in hdmi_drm_infoframe_unpack() argument
1855 const void *buffer, size_t size) in hdmi_drm_infoframe_unpack() argument
1857 const u8 *ptr = buffer; in hdmi_drm_infoframe_unpack()
1861 return -EINVAL; in hdmi_drm_infoframe_unpack()
1866 return -EINVAL; in hdmi_drm_infoframe_unpack()
1868 if (hdmi_infoframe_checksum(buffer, HDMI_INFOFRAME_SIZE(DRM)) != 0) in hdmi_drm_infoframe_unpack()
1869 return -EINVAL; in hdmi_drm_infoframe_unpack()
1871 ret = hdmi_drm_infoframe_unpack_only(frame, ptr + HDMI_INFOFRAME_HEADER_SIZE, in hdmi_drm_infoframe_unpack()
1872 size - HDMI_INFOFRAME_HEADER_SIZE); in hdmi_drm_infoframe_unpack()
1877 * hdmi_infoframe_unpack() - unpack binary buffer to a HDMI infoframe
1878 * @frame: HDMI infoframe
1879 * @buffer: source buffer
1880 * @size: size of buffer
1882 * Unpacks the information contained in binary buffer @buffer into a structured
1883 * @frame of a HDMI infoframe.
1889 int hdmi_infoframe_unpack(union hdmi_infoframe *frame, in hdmi_infoframe_unpack() argument
1890 const void *buffer, size_t size) in hdmi_infoframe_unpack() argument
1893 const u8 *ptr = buffer; in hdmi_infoframe_unpack()
1896 return -EINVAL; in hdmi_infoframe_unpack()
1900 ret = hdmi_avi_infoframe_unpack(&frame->avi, buffer, size); in hdmi_infoframe_unpack()
1903 ret = hdmi_drm_infoframe_unpack(&frame->drm, buffer, size); in hdmi_infoframe_unpack()
1906 ret = hdmi_spd_infoframe_unpack(&frame->spd, buffer, size); in hdmi_infoframe_unpack()
1909 ret = hdmi_audio_infoframe_unpack(&frame->audio, buffer, size); in hdmi_infoframe_unpack()
1912 ret = hdmi_vendor_any_infoframe_unpack(&frame->vendor, buffer, size); in hdmi_infoframe_unpack()
1915 ret = -EINVAL; in hdmi_infoframe_unpack()