17  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
43 	return 256 - csum;  in hdmi_infoframe_checksum()
54  * hdmi_avi_infoframe_init() - initialize an HDMI AVI infoframe
63 	frame->type = HDMI_INFOFRAME_TYPE_AVI;  in hdmi_avi_infoframe_init()
64 	frame->version = 2;  in hdmi_avi_infoframe_init()
65 	frame->length = HDMI_AVI_INFOFRAME_SIZE;  in hdmi_avi_infoframe_init()
72  * hdmi_avi_infoframe_pack() - write HDMI AVI infoframe to binary buffer
91 	length = HDMI_INFOFRAME_HEADER_SIZE + frame->length;  in hdmi_avi_infoframe_pack()
94 		return -ENOSPC;  in hdmi_avi_infoframe_pack()
96 	if (frame->picture_aspect > HDMI_PICTURE_ASPECT_16_9)  in hdmi_avi_infoframe_pack()
97 		return -EINVAL;  in hdmi_avi_infoframe_pack()
101 	ptr[0] = frame->type;  in hdmi_avi_infoframe_pack()
102 	ptr[1] = frame->version;  in hdmi_avi_infoframe_pack()
103 	ptr[2] = frame->length;  in hdmi_avi_infoframe_pack()
109 	ptr[0] = ((frame->colorspace & 0x3) << 5) | (frame->scan_mode & 0x3);  in hdmi_avi_infoframe_pack()
115 	if (frame->active_aspect & 0xf)  in hdmi_avi_infoframe_pack()
119 	if (frame->top_bar || frame->bottom_bar)  in hdmi_avi_infoframe_pack()
122 	if (frame->left_bar || frame->right_bar)  in hdmi_avi_infoframe_pack()
125 	ptr[1] = ((frame->colorimetry & 0x3) << 6) |  in hdmi_avi_infoframe_pack()
126 		 ((frame->picture_aspect & 0x3) << 4) |  in hdmi_avi_infoframe_pack()
127 		 (frame->active_aspect & 0xf);  in hdmi_avi_infoframe_pack()
129 	ptr[2] = ((frame->extended_colorimetry & 0x7) << 4) |  in hdmi_avi_infoframe_pack()
130 		 ((frame->quantization_range & 0x3) << 2) |  in hdmi_avi_infoframe_pack()
131 		 (frame->nups & 0x3);  in hdmi_avi_infoframe_pack()
133 	if (frame->itc)  in hdmi_avi_infoframe_pack()
136 	ptr[3] = frame->video_code & 0x7f;  in hdmi_avi_infoframe_pack()
138 	ptr[4] = ((frame->ycc_quantization_range & 0x3) << 6) |  in hdmi_avi_infoframe_pack()
139 		 ((frame->content_type & 0x3) << 4) |  in hdmi_avi_infoframe_pack()
140 		 (frame->pixel_repeat & 0xf);  in hdmi_avi_infoframe_pack()
142 	ptr[5] = frame->top_bar & 0xff;  in hdmi_avi_infoframe_pack()
143 	ptr[6] = (frame->top_bar >> 8) & 0xff;  in hdmi_avi_infoframe_pack()
144 	ptr[7] = frame->bottom_bar & 0xff;  in hdmi_avi_infoframe_pack()
145 	ptr[8] = (frame->bottom_bar >> 8) & 0xff;  in hdmi_avi_infoframe_pack()
146 	ptr[9] = frame->left_bar & 0xff;  in hdmi_avi_infoframe_pack()
147 	ptr[10] = (frame->left_bar >> 8) & 0xff;  in hdmi_avi_infoframe_pack()
148 	ptr[11] = frame->right_bar & 0xff;  in hdmi_avi_infoframe_pack()
149 	ptr[12] = (frame->right_bar >> 8) & 0xff;  in hdmi_avi_infoframe_pack()
158  * hdmi_spd_infoframe_init() - initialize an HDMI SPD infoframe
170 	frame->type = HDMI_INFOFRAME_TYPE_SPD;  in hdmi_spd_infoframe_init()
171 	frame->version = 1;  in hdmi_spd_infoframe_init()
172 	frame->length = HDMI_SPD_INFOFRAME_SIZE;  in hdmi_spd_infoframe_init()
174 	strncpy(frame->vendor, vendor, sizeof(frame->vendor));  in hdmi_spd_infoframe_init()
175 	strncpy(frame->product, product, sizeof(frame->product));  in hdmi_spd_infoframe_init()
182  * hdmi_spd_infoframe_pack() - write HDMI SPD infoframe to binary buffer
201 	length = HDMI_INFOFRAME_HEADER_SIZE + frame->length;  in hdmi_spd_infoframe_pack()
204 		return -ENOSPC;  in hdmi_spd_infoframe_pack()
208 	ptr[0] = frame->type;  in hdmi_spd_infoframe_pack()
209 	ptr[1] = frame->version;  in hdmi_spd_infoframe_pack()
210 	ptr[2] = frame->length;  in hdmi_spd_infoframe_pack()
216 	memcpy(ptr, frame->vendor, sizeof(frame->vendor));  in hdmi_spd_infoframe_pack()
217 	memcpy(ptr + 8, frame->product, sizeof(frame->product));  in hdmi_spd_infoframe_pack()
219 	ptr[24] = frame->sdi;  in hdmi_spd_infoframe_pack()
228  * hdmi_audio_infoframe_init() - initialize an HDMI audio infoframe
237 	frame->type = HDMI_INFOFRAME_TYPE_AUDIO;  in hdmi_audio_infoframe_init()
238 	frame->version = 1;  in hdmi_audio_infoframe_init()
239 	frame->length = HDMI_AUDIO_INFOFRAME_SIZE;  in hdmi_audio_infoframe_init()
246  * hdmi_audio_infoframe_pack() - write HDMI audio infoframe to binary buffer
266 	length = HDMI_INFOFRAME_HEADER_SIZE + frame->length;  in hdmi_audio_infoframe_pack()
269 		return -ENOSPC;  in hdmi_audio_infoframe_pack()
273 	if (frame->channels >= 2)  in hdmi_audio_infoframe_pack()
274 		channels = frame->channels - 1;  in hdmi_audio_infoframe_pack()
278 	ptr[0] = frame->type;  in hdmi_audio_infoframe_pack()
279 	ptr[1] = frame->version;  in hdmi_audio_infoframe_pack()
280 	ptr[2] = frame->length;  in hdmi_audio_infoframe_pack()
286 	ptr[0] = ((frame->coding_type & 0xf) << 4) | (channels & 0x7);  in hdmi_audio_infoframe_pack()
287 	ptr[1] = ((frame->sample_frequency & 0x7) << 2) |  in hdmi_audio_infoframe_pack()
288 		 (frame->sample_size & 0x3);  in hdmi_audio_infoframe_pack()
289 	ptr[2] = frame->coding_type_ext & 0x1f;  in hdmi_audio_infoframe_pack()
290 	ptr[3] = frame->channel_allocation;  in hdmi_audio_infoframe_pack()
291 	ptr[4] = (frame->level_shift_value & 0xf) << 3;  in hdmi_audio_infoframe_pack()
293 	if (frame->downmix_inhibit)  in hdmi_audio_infoframe_pack()
303  * hdmi_vendor_infoframe_init() - initialize an HDMI vendor infoframe
312 	frame->type = HDMI_INFOFRAME_TYPE_VENDOR;  in hdmi_vendor_infoframe_init()
313 	frame->version = 1;  in hdmi_vendor_infoframe_init()
315 	frame->oui = HDMI_IEEE_OUI;  in hdmi_vendor_infoframe_init()
321 	frame->s3d_struct = HDMI_3D_STRUCTURE_INVALID;  in hdmi_vendor_infoframe_init()
330 	if (frame->s3d_struct >= HDMI_3D_STRUCTURE_SIDE_BY_SIDE_HALF)  in hdmi_vendor_infoframe_length()
332 	else if (frame->vic != 0 || frame->s3d_struct != HDMI_3D_STRUCTURE_INVALID)  in hdmi_vendor_infoframe_length()
339  * hdmi_vendor_infoframe_pack() - write a HDMI vendor infoframe to binary buffer
359 	if (frame->vic != 0 && frame->s3d_struct != HDMI_3D_STRUCTURE_INVALID)  in hdmi_vendor_infoframe_pack()
360 		return -EINVAL;  in hdmi_vendor_infoframe_pack()
362 	frame->length = hdmi_vendor_infoframe_length(frame);  in hdmi_vendor_infoframe_pack()
364 	length = HDMI_INFOFRAME_HEADER_SIZE + frame->length;  in hdmi_vendor_infoframe_pack()
367 		return -ENOSPC;  in hdmi_vendor_infoframe_pack()
371 	ptr[0] = frame->type;  in hdmi_vendor_infoframe_pack()
372 	ptr[1] = frame->version;  in hdmi_vendor_infoframe_pack()
373 	ptr[2] = frame->length;  in hdmi_vendor_infoframe_pack()
381 	if (frame->s3d_struct != HDMI_3D_STRUCTURE_INVALID) {  in hdmi_vendor_infoframe_pack()
383 		ptr[8] = (frame->s3d_struct & 0xf) << 4;  in hdmi_vendor_infoframe_pack()
384 		if (frame->s3d_struct >= HDMI_3D_STRUCTURE_SIDE_BY_SIDE_HALF)  in hdmi_vendor_infoframe_pack()
385 			ptr[9] = (frame->s3d_ext_data & 0xf) << 4;  in hdmi_vendor_infoframe_pack()
386 	} else if (frame->vic) {  in hdmi_vendor_infoframe_pack()
388 		ptr[8] = frame->vic;  in hdmi_vendor_infoframe_pack()
400  * hdmi_vendor_any_infoframe_pack() - write a vendor infoframe to binary buffer
407 	if (frame->any.oui != HDMI_IEEE_OUI)  in hdmi_vendor_any_infoframe_pack()
408 		return -EINVAL;  in hdmi_vendor_any_infoframe_pack()
410 	return hdmi_vendor_infoframe_pack(&frame->hdmi, buffer, size);  in hdmi_vendor_any_infoframe_pack()
414  * hdmi_infoframe_pack() - write a HDMI infoframe to binary buffer
432 	switch (frame->any.type) {  in hdmi_infoframe_pack()
434 		length = hdmi_avi_infoframe_pack(&frame->avi, buffer, size);  in hdmi_infoframe_pack()
437 		length = hdmi_spd_infoframe_pack(&frame->spd, buffer, size);  in hdmi_infoframe_pack()
440 		length = hdmi_audio_infoframe_pack(&frame->audio, buffer, size);  in hdmi_infoframe_pack()
443 		length = hdmi_vendor_any_infoframe_pack(&frame->vendor,  in hdmi_infoframe_pack()
447 		WARN(1, "Bad infoframe type %d\n", frame->any.type);  in hdmi_infoframe_pack()
448 		length = -EINVAL;  in hdmi_infoframe_pack()
477 		hdmi_infoframe_type_get_name(frame->type),  in hdmi_infoframe_log_header()
478 		frame->version, frame->length);  in hdmi_infoframe_log_header()
629 		return "Unknown Non-uniform Scaling";  in hdmi_nups_get_name()
669  * hdmi_avi_infoframe_log() - log info of HDMI AVI infoframe
682 			hdmi_colorspace_get_name(frame->colorspace));  in hdmi_avi_infoframe_log()
683 	hdmi_log("    scan mode: %s\n",  in hdmi_avi_infoframe_log()
684 			hdmi_scan_mode_get_name(frame->scan_mode));  in hdmi_avi_infoframe_log()
686 			hdmi_colorimetry_get_name(frame->colorimetry));  in hdmi_avi_infoframe_log()
688 			hdmi_picture_aspect_get_name(frame->picture_aspect));  in hdmi_avi_infoframe_log()
690 			hdmi_active_aspect_get_name(frame->active_aspect));  in hdmi_avi_infoframe_log()
691 	hdmi_log("    itc: %s\n", frame->itc ? "IT Content" : "No Data");  in hdmi_avi_infoframe_log()
693 			hdmi_extended_colorimetry_get_name(frame->extended_colorimetry));  in hdmi_avi_infoframe_log()
695 			hdmi_quantization_range_get_name(frame->quantization_range));  in hdmi_avi_infoframe_log()
696 	hdmi_log("    nups: %s\n", hdmi_nups_get_name(frame->nups));  in hdmi_avi_infoframe_log()
697 	hdmi_log("    video code: %u\n", frame->video_code);  in hdmi_avi_infoframe_log()
699 			hdmi_ycc_quantization_range_get_name(frame->ycc_quantization_range));  in hdmi_avi_infoframe_log()
701 			hdmi_content_type_get_name(frame->content_type));  in hdmi_avi_infoframe_log()
702 	hdmi_log("    pixel repeat: %u\n", frame->pixel_repeat);  in hdmi_avi_infoframe_log()
704 			frame->top_bar, frame->bottom_bar,  in hdmi_avi_infoframe_log()
705 			frame->left_bar, frame->right_bar);  in hdmi_avi_infoframe_log()
720 		return "D-VHS";  in hdmi_spd_sdi_get_name()
734 		return "Blu-Ray Disc (BD)";  in hdmi_spd_sdi_get_name()
746  * hdmi_spd_infoframe_log() - log info of HDMI SPD infoframe
762 	strncpy(buf, frame->vendor, 8);  in hdmi_spd_infoframe_log()
764 	strncpy(buf, frame->product, 16);  in hdmi_spd_infoframe_log()
767 		hdmi_spd_sdi_get_name(frame->sdi), frame->sdi);  in hdmi_spd_infoframe_log()
779 		return "AC-3";  in hdmi_audio_coding_type_get_name()
787 		return "AAC";  in hdmi_audio_coding_type_get_name()
797 		return "DTS-HD";  in hdmi_audio_coding_type_get_name()
860 		return "HE AAC";  in hdmi_audio_coding_type_ext_get_name()
862 		return "HE AAC v2";  in hdmi_audio_coding_type_ext_get_name()
866 		return "MPEG-4 HE AAC";  in hdmi_audio_coding_type_ext_get_name()
868 		return "MPEG-4 HE AAC v2";  in hdmi_audio_coding_type_ext_get_name()
870 		return "MPEG-4 AAC LC";  in hdmi_audio_coding_type_ext_get_name()
874 		return "MPEG-4 HE AAC + MPEG Surround";  in hdmi_audio_coding_type_ext_get_name()
876 		return "MPEG-4 AAC LC + MPEG Surround";  in hdmi_audio_coding_type_ext_get_name()
882  * hdmi_audio_infoframe_log() - log info of HDMI AUDIO infoframe
894 	if (frame->channels)  in hdmi_audio_infoframe_log()
895 		hdmi_log("    channels: %u\n", frame->channels - 1);  in hdmi_audio_infoframe_log()
899 			hdmi_audio_coding_type_get_name(frame->coding_type));  in hdmi_audio_infoframe_log()
901 			hdmi_audio_sample_size_get_name(frame->sample_size));  in hdmi_audio_infoframe_log()
903 			hdmi_audio_sample_frequency_get_name(frame->sample_frequency));  in hdmi_audio_infoframe_log()
905 			hdmi_audio_coding_type_ext_get_name(frame->coding_type_ext));  in hdmi_audio_infoframe_log()
907 			frame->channel_allocation);  in hdmi_audio_infoframe_log()
909 			frame->level_shift_value);  in hdmi_audio_infoframe_log()
911 			frame->downmix_inhibit ? "Yes" : "No");  in hdmi_audio_infoframe_log()
928 		return "Side-by-side (Full)";  in hdmi_3d_structure_get_name()
932 		return "L + Depth + Graphics + Graphics-depth";  in hdmi_3d_structure_get_name()
934 		return "Top-and-Bottom";  in hdmi_3d_structure_get_name()
936 		return "Side-by-side (Half)";  in hdmi_3d_structure_get_name()
944  * hdmi_vendor_infoframe_log() - log info of HDMI VENDOR infoframe
954 	struct hdmi_vendor_infoframe *hvf = &frame->hdmi;  in hdmi_vendor_any_infoframe_log()
959 	if (frame->any.oui != HDMI_IEEE_OUI) {  in hdmi_vendor_any_infoframe_log()
963 	if (hvf->vic == 0 && hvf->s3d_struct == HDMI_3D_STRUCTURE_INVALID) {  in hdmi_vendor_any_infoframe_log()
968 	if (hvf->vic)  in hdmi_vendor_any_infoframe_log()
969 		hdmi_log("    HDMI VIC: %u\n", hvf->vic);  in hdmi_vendor_any_infoframe_log()
970 	if (hvf->s3d_struct != HDMI_3D_STRUCTURE_INVALID) {  in hdmi_vendor_any_infoframe_log()
972 				hdmi_3d_structure_get_name(hvf->s3d_struct));  in hdmi_vendor_any_infoframe_log()
973 		if (hvf->s3d_struct >= HDMI_3D_STRUCTURE_SIDE_BY_SIDE_HALF)  in hdmi_vendor_any_infoframe_log()
975 					hvf->s3d_ext_data);  in hdmi_vendor_any_infoframe_log()
980  * hdmi_infoframe_log() - log info of HDMI infoframe
989 	switch (frame->any.type) {  in hdmi_infoframe_log()
991 		hdmi_avi_infoframe_log(level, dev, &frame->avi);  in hdmi_infoframe_log()
994 		hdmi_spd_infoframe_log(level, dev, &frame->spd);  in hdmi_infoframe_log()
997 		hdmi_audio_infoframe_log(level, dev, &frame->audio);  in hdmi_infoframe_log()
1000 		hdmi_vendor_any_infoframe_log(level, dev, &frame->vendor);  in hdmi_infoframe_log()
1007  * hdmi_avi_infoframe_unpack() - unpack binary buffer to a HDMI AVI infoframe
1027 		return -EINVAL;  in hdmi_avi_infoframe_unpack()
1030 		return -EINVAL;  in hdmi_avi_infoframe_unpack()
1038 	frame->colorspace = (ptr[0] >> 5) & 0x3;  in hdmi_avi_infoframe_unpack()
1040 		frame->active_aspect = ptr[1] & 0xf;  in hdmi_avi_infoframe_unpack()
1042 		frame->top_bar = (ptr[6] << 8) | ptr[5];  in hdmi_avi_infoframe_unpack()
1043 		frame->bottom_bar = (ptr[8] << 8) | ptr[7];  in hdmi_avi_infoframe_unpack()
1046 		frame->left_bar = (ptr[10] << 8) | ptr[9];  in hdmi_avi_infoframe_unpack()
1047 		frame->right_bar = (ptr[12] << 8) | ptr[11];  in hdmi_avi_infoframe_unpack()
1049 	frame->scan_mode = ptr[0] & 0x3;  in hdmi_avi_infoframe_unpack()
1051 	frame->colorimetry = (ptr[1] >> 6) & 0x3;  in hdmi_avi_infoframe_unpack()
1052 	frame->picture_aspect = (ptr[1] >> 4) & 0x3;  in hdmi_avi_infoframe_unpack()
1053 	frame->active_aspect = ptr[1] & 0xf;  in hdmi_avi_infoframe_unpack()
1055 	frame->itc = ptr[2] & 0x80 ? true : false;  in hdmi_avi_infoframe_unpack()
1056 	frame->extended_colorimetry = (ptr[2] >> 4) & 0x7;  in hdmi_avi_infoframe_unpack()
1057 	frame->quantization_range = (ptr[2] >> 2) & 0x3;  in hdmi_avi_infoframe_unpack()
1058 	frame->nups = ptr[2] & 0x3;  in hdmi_avi_infoframe_unpack()
1060 	frame->video_code = ptr[3] & 0x7f;  in hdmi_avi_infoframe_unpack()
1061 	frame->ycc_quantization_range = (ptr[4] >> 6) & 0x3;  in hdmi_avi_infoframe_unpack()
1062 	frame->content_type = (ptr[4] >> 4) & 0x3;  in hdmi_avi_infoframe_unpack()
1064 	frame->pixel_repeat = ptr[4] & 0xf;  in hdmi_avi_infoframe_unpack()
1070  * hdmi_spd_infoframe_unpack() - unpack binary buffer to a HDMI SPD infoframe
1090 		return -EINVAL;  in hdmi_spd_infoframe_unpack()
1094 		return -EINVAL;  in hdmi_spd_infoframe_unpack()
1102 	frame->sdi = ptr[24];  in hdmi_spd_infoframe_unpack()
1108  * hdmi_audio_infoframe_unpack() - unpack binary buffer to a HDMI AUDIO infoframe
1128 		return -EINVAL;  in hdmi_audio_infoframe_unpack()
1132 		return -EINVAL;  in hdmi_audio_infoframe_unpack()
1140 	frame->channels = ptr[0] & 0x7;  in hdmi_audio_infoframe_unpack()
1141 	frame->coding_type = (ptr[0] >> 4) & 0xf;  in hdmi_audio_infoframe_unpack()
1142 	frame->sample_size = ptr[1] & 0x3;  in hdmi_audio_infoframe_unpack()
1143 	frame->sample_frequency = (ptr[1] >> 2) & 0x7;  in hdmi_audio_infoframe_unpack()
1144 	frame->coding_type_ext = ptr[2] & 0x1f;  in hdmi_audio_infoframe_unpack()
1145 	frame->channel_allocation = ptr[3];  in hdmi_audio_infoframe_unpack()
1146 	frame->level_shift_value = (ptr[4] >> 3) & 0xf;  in hdmi_audio_infoframe_unpack()
1147 	frame->downmix_inhibit = ptr[4] & 0x80 ? true : false;  in hdmi_audio_infoframe_unpack()
1153  * hdmi_vendor_infoframe_unpack() - unpack binary buffer to a HDMI vendor infoframe
1172 	struct hdmi_vendor_infoframe *hvf = &frame->hdmi;  in hdmi_vendor_any_infoframe_unpack()
1177 		return -EINVAL;  in hdmi_vendor_any_infoframe_unpack()
1183 		return -EINVAL;  in hdmi_vendor_any_infoframe_unpack()
1191 		return -EINVAL;  in hdmi_vendor_any_infoframe_unpack()
1196 		return -EINVAL;  in hdmi_vendor_any_infoframe_unpack()
1202 	hvf->length = length;  in hdmi_vendor_any_infoframe_unpack()
1206 			return -EINVAL;  in hdmi_vendor_any_infoframe_unpack()
1207 		hvf->s3d_struct = ptr[4] >> 4;  in hdmi_vendor_any_infoframe_unpack()
1208 		if (hvf->s3d_struct >= HDMI_3D_STRUCTURE_SIDE_BY_SIDE_HALF) {  in hdmi_vendor_any_infoframe_unpack()
1210 				return -EINVAL;  in hdmi_vendor_any_infoframe_unpack()
1211 			hvf->s3d_ext_data = ptr[5] >> 4;  in hdmi_vendor_any_infoframe_unpack()
1215 			return -EINVAL;  in hdmi_vendor_any_infoframe_unpack()
1216 		hvf->vic = ptr[4];  in hdmi_vendor_any_infoframe_unpack()
1219 			return -EINVAL;  in hdmi_vendor_any_infoframe_unpack()
1226  * hdmi_infoframe_unpack() - unpack binary buffer to a HDMI infoframe
1244 		ret = hdmi_avi_infoframe_unpack(&frame->avi, buffer);  in hdmi_infoframe_unpack()
1247 		ret = hdmi_spd_infoframe_unpack(&frame->spd, buffer);  in hdmi_infoframe_unpack()
1250 		ret = hdmi_audio_infoframe_unpack(&frame->audio, buffer);  in hdmi_infoframe_unpack()
1253 		ret = hdmi_vendor_any_infoframe_unpack(&frame->vendor, buffer);  in hdmi_infoframe_unpack()
1256 		ret = -EINVAL;  in hdmi_infoframe_unpack()