1 // SPDX-License-Identifier: GPL-2.0-only
4  * Copyright (C) 2015 Texas Instruments Incorporated - https://www.ti.com/
16 #include <sound/hdmi-codec.h>
22 #define HDMI_CODEC_CHMAP_IDX_UNKNOWN  -1
53 	const int ca_id;
54 	unsigned int n_ch;
55 	unsigned long mask;  member
61 	  .map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR } },
65 /* Channel maps for multi-channel playbacks, up to 8 n_ch */
68 	  .map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR } },
70 	  .map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR, SNDRV_CHMAP_LFE,
73 	  .map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR, SNDRV_CHMAP_NA,
76 	  .map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR, SNDRV_CHMAP_LFE,
79 	  .map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR, SNDRV_CHMAP_NA,
82 	  .map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR, SNDRV_CHMAP_LFE,
85 	  .map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR, SNDRV_CHMAP_NA,
88 	  .map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR, SNDRV_CHMAP_LFE,
91 	  .map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR, SNDRV_CHMAP_NA,
94 	  .map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR, SNDRV_CHMAP_LFE,
97 	  .map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR, SNDRV_CHMAP_NA,
100 	  .map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR, SNDRV_CHMAP_LFE,
103 	  .map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR, SNDRV_CHMAP_NA,
107 	  .map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR, SNDRV_CHMAP_LFE,
111 	  .map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR, SNDRV_CHMAP_NA,
115 	  .map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR, SNDRV_CHMAP_LFE,
119 	  .map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR, SNDRV_CHMAP_NA,
123 	  .map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR, SNDRV_CHMAP_LFE,
127 	  .map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR, SNDRV_CHMAP_NA,
131 	  .map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR, SNDRV_CHMAP_LFE,
135 	  .map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR, SNDRV_CHMAP_NA,
139 	  .map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR, SNDRV_CHMAP_LFE,
143 	  .map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR, SNDRV_CHMAP_NA,
147 	  .map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR, SNDRV_CHMAP_LFE,
151 	  .map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR, SNDRV_CHMAP_NA,
155 	  .map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR, SNDRV_CHMAP_LFE,
159 	  .map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR, SNDRV_CHMAP_NA,
163 	  .map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR, SNDRV_CHMAP_LFE,
167 	  .map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR, SNDRV_CHMAP_NA,
171 	  .map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR, SNDRV_CHMAP_LFE,
175 	  .map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR, SNDRV_CHMAP_NA,
179 	  .map = { SNDRV_CHMAP_FL, SNDRV_CHMAP_FR, SNDRV_CHMAP_LFE,
194 	  .mask = FL | FR},
197 	  .mask = FL | FR | LFE},
200 	  .mask = FL | FR | FC },
203 	  .mask = FL | FR | LFE | FC | RL | RR},
206 	  .mask = FL | FR | RL | RR },
209 	  .mask = FL | FR | LFE | RL | RR },
212 	  .mask = FL | FR | FC | RL | RR },
215 	  .mask = FL | FR | LFE | FC | RL | RR | RC },
218 	  .mask = FL | FR | LFE | FC | RL | RR | RLC | RRC },
221 	  .mask = FL | FR | LFE | FC },
223 	  .mask = FL | FR | RC},
225 	  .mask = FL | FR | LFE | RC },
227 	  .mask = FL | FR | FC | RC },
229 	  .mask = FL | FR | LFE | FC | RC },
231 	  .mask = FL | FR | RC | RL | RR },
233 	  .mask = FL | FR | LFE | RL | RR | RC },
235 	  .mask = FL | FR | FC | RL | RR | RC },
237 	  .mask = FL | FR | RL | RR | RLC | RRC },
239 	  .mask = FL | FR | LFE | RL | RR | RLC | RRC },
241 	  .mask = FL | FR | FC | RL | RR | RLC | RRC },
243 	  .mask = FL | FR | FLC | FRC },
245 	  .mask = FL | FR | LFE | FLC | FRC },
247 	  .mask = FL | FR | FC | FLC | FRC },
249 	  .mask = FL | FR | LFE | FC | FLC | FRC },
251 	  .mask = FL | FR | RC | FLC | FRC },
253 	  .mask = FL | FR | LFE | RC | FLC | FRC },
255 	  .mask = FL | FR | RC | FC | FLC | FRC },
257 	  .mask = FL | FR | LFE | RC | FC | FLC | FRC },
259 	  .mask = FL | FR | RL | RR | FLC | FRC },
261 	  .mask = FL | FR | LFE | RL | RR | FLC | FRC },
263 	  .mask = FL | FR | FC | RL | RR | FLC | FRC },
265 	  .mask = FL | FR | LFE | FC | RL | RR | FLC | FRC },
272 	unsigned int chmap_idx;
276 	unsigned int jack_status;
290 static int hdmi_eld_ctl_info(struct snd_kcontrol *kcontrol,  in hdmi_eld_ctl_info()
293 	uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES;  in hdmi_eld_ctl_info()
294 	uinfo->count = sizeof_field(struct hdmi_codec_priv, eld);  in hdmi_eld_ctl_info()
299 static int hdmi_eld_ctl_get(struct snd_kcontrol *kcontrol,  in hdmi_eld_ctl_get()
305 	memcpy(ucontrol->value.bytes.data, hcp->eld, sizeof(hcp->eld));  in hdmi_eld_ctl_get()
310 static unsigned long hdmi_codec_spk_mask_from_alloc(int spk_alloc)  in hdmi_codec_spk_mask_from_alloc()
312 	int i;  in hdmi_codec_spk_mask_from_alloc()
332 	spk_alloc = drm_eld_get_spk_alloc(hcp->eld);  in hdmi_codec_eld_chmap()
336 	if ((spk_mask & ~(FL | FR)) && hcp->chmap_info->max_channels > 2)  in hdmi_codec_eld_chmap()
337 		hcp->chmap_info->chmap = hdmi_codec_8ch_chmaps;  in hdmi_codec_eld_chmap()
339 		hcp->chmap_info->chmap = hdmi_codec_stereo_chmaps;  in hdmi_codec_eld_chmap()
342 static int hdmi_codec_get_ch_alloc_table_idx(struct hdmi_codec_priv *hcp,  in hdmi_codec_get_ch_alloc_table_idx()
345 	int i;  in hdmi_codec_get_ch_alloc_table_idx()
350 	spk_alloc = drm_eld_get_spk_alloc(hcp->eld);  in hdmi_codec_get_ch_alloc_table_idx()
355 		if (!spk_alloc && cap->ca_id == 0)  in hdmi_codec_get_ch_alloc_table_idx()
357 		if (cap->n_ch != channels)  in hdmi_codec_get_ch_alloc_table_idx()
359 		if (!(cap->mask == (spk_mask & cap->mask)))  in hdmi_codec_get_ch_alloc_table_idx()
364 	return -EINVAL;  in hdmi_codec_get_ch_alloc_table_idx()
366 static int hdmi_codec_chmap_ctl_get(struct snd_kcontrol *kcontrol,  in hdmi_codec_chmap_ctl_get()
369 	unsigned const char *map;  in hdmi_codec_chmap_ctl_get()  local
370 	unsigned int i;  in hdmi_codec_chmap_ctl_get()
372 	struct hdmi_codec_priv *hcp = info->private_data;  in hdmi_codec_chmap_ctl_get()
374 	map = info->chmap[hcp->chmap_idx].map;  in hdmi_codec_chmap_ctl_get()
376 	for (i = 0; i < info->max_channels; i++) {  in hdmi_codec_chmap_ctl_get()
377 		if (hcp->chmap_idx == HDMI_CODEC_CHMAP_IDX_UNKNOWN)  in hdmi_codec_chmap_ctl_get()
378 			ucontrol->value.integer.value[i] = 0;  in hdmi_codec_chmap_ctl_get()
380 			ucontrol->value.integer.value[i] = map[i];  in hdmi_codec_chmap_ctl_get()
386 static int hdmi_codec_iec958_info(struct snd_kcontrol *kcontrol,  in hdmi_codec_iec958_info()
389 	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;  in hdmi_codec_iec958_info()
390 	uinfo->count = 1;  in hdmi_codec_iec958_info()
394 static int hdmi_codec_iec958_default_get(struct snd_kcontrol *kcontrol,  in hdmi_codec_iec958_default_get()
400 	memcpy(ucontrol->value.iec958.status, hcp->iec_status,  in hdmi_codec_iec958_default_get()
401 	       sizeof(hcp->iec_status));  in hdmi_codec_iec958_default_get()
406 static int hdmi_codec_iec958_default_put(struct snd_kcontrol *kcontrol,  in hdmi_codec_iec958_default_put()
412 	memcpy(hcp->iec_status, ucontrol->value.iec958.status,  in hdmi_codec_iec958_default_put()
413 	       sizeof(hcp->iec_status));  in hdmi_codec_iec958_default_put()
418 static int hdmi_codec_iec958_mask_get(struct snd_kcontrol *kcontrol,  in hdmi_codec_iec958_mask_get()
421 	memset(ucontrol->value.iec958.status, 0xff,  in hdmi_codec_iec958_mask_get()
427 static int hdmi_codec_startup(struct snd_pcm_substream *substream,  in hdmi_codec_startup()
431 	bool tx = substream->stream == SNDRV_PCM_STREAM_PLAYBACK;  in hdmi_codec_startup()
432 	bool has_capture = !hcp->hcd.no_i2s_capture;  in hdmi_codec_startup()
433 	bool has_playback = !hcp->hcd.no_i2s_playback;  in hdmi_codec_startup()
434 	int ret = 0;  in hdmi_codec_startup()
439 	mutex_lock(&hcp->lock);  in hdmi_codec_startup()
440 	if (hcp->busy) {  in hdmi_codec_startup()
441 		dev_err(dai->dev, "Only one simultaneous stream supported!\n");  in hdmi_codec_startup()
442 		mutex_unlock(&hcp->lock);  in hdmi_codec_startup()
443 		return -EINVAL;  in hdmi_codec_startup()
446 	if (hcp->hcd.ops->audio_startup) {  in hdmi_codec_startup()
447 		ret = hcp->hcd.ops->audio_startup(dai->dev->parent, hcp->hcd.data);  in hdmi_codec_startup()
452 	if (tx && hcp->hcd.ops->get_eld) {  in hdmi_codec_startup()
453 		ret = hcp->hcd.ops->get_eld(dai->dev->parent, hcp->hcd.data,  in hdmi_codec_startup()
454 					    hcp->eld, sizeof(hcp->eld));  in hdmi_codec_startup()
458 		ret = snd_pcm_hw_constraint_eld(substream->runtime, hcp->eld);  in hdmi_codec_startup()
466 	hcp->busy = true;  in hdmi_codec_startup()
469 	mutex_unlock(&hcp->lock);  in hdmi_codec_startup()
477 	bool tx = substream->stream == SNDRV_PCM_STREAM_PLAYBACK;  in hdmi_codec_shutdown()
478 	bool has_capture = !hcp->hcd.no_i2s_capture;  in hdmi_codec_shutdown()
479 	bool has_playback = !hcp->hcd.no_i2s_playback;  in hdmi_codec_shutdown()
484 	hcp->chmap_idx = HDMI_CODEC_CHMAP_IDX_UNKNOWN;  in hdmi_codec_shutdown()
485 	hcp->hcd.ops->audio_shutdown(dai->dev->parent, hcp->hcd.data);  in hdmi_codec_shutdown()
487 	mutex_lock(&hcp->lock);  in hdmi_codec_shutdown()
488 	hcp->busy = false;  in hdmi_codec_shutdown()
489 	mutex_unlock(&hcp->lock);  in hdmi_codec_shutdown()
492 static int hdmi_codec_fill_codec_params(struct snd_soc_dai *dai,  in hdmi_codec_fill_codec_params()
493 					unsigned int sample_width,  in hdmi_codec_fill_codec_params()
494 					unsigned int sample_rate,  in hdmi_codec_fill_codec_params()
495 					unsigned int channels,  in hdmi_codec_fill_codec_params()
499 	int idx = HDMI_CODEC_CHMAP_IDX_UNKNOWN;  in hdmi_codec_fill_codec_params()
501 	bool pcm_audio = !(hcp->iec_status[0] & IEC958_AES0_NONAUDIO);  in hdmi_codec_fill_codec_params()
508 			dev_err(dai->dev, "Not able to map channels to speakers (%d)\n",  in hdmi_codec_fill_codec_params()
510 			hcp->chmap_idx = HDMI_CODEC_CHMAP_IDX_UNKNOWN;  in hdmi_codec_fill_codec_params()
519 	hdmi_audio_infoframe_init(&hp->cea);  in hdmi_codec_fill_codec_params()
522 		hp->cea.channels = channels;  in hdmi_codec_fill_codec_params()
524 		hp->cea.channels = 0;  in hdmi_codec_fill_codec_params()
526 	hp->cea.coding_type = HDMI_AUDIO_CODING_TYPE_STREAM;  in hdmi_codec_fill_codec_params()
527 	hp->cea.sample_size = HDMI_AUDIO_SAMPLE_SIZE_STREAM;  in hdmi_codec_fill_codec_params()
528 	hp->cea.sample_frequency = HDMI_AUDIO_SAMPLE_FREQUENCY_STREAM;  in hdmi_codec_fill_codec_params()
529 	hp->cea.channel_allocation = ca_id;  in hdmi_codec_fill_codec_params()
531 	hp->sample_width = sample_width;  in hdmi_codec_fill_codec_params()
532 	hp->sample_rate = sample_rate;  in hdmi_codec_fill_codec_params()
533 	hp->channels = channels;  in hdmi_codec_fill_codec_params()
536 		hcp->chmap_idx = ca_id;  in hdmi_codec_fill_codec_params()
538 		hcp->chmap_idx = HDMI_CODEC_CHMAP_IDX_UNKNOWN;  in hdmi_codec_fill_codec_params()
543 static int hdmi_codec_hw_params(struct snd_pcm_substream *substream,  in hdmi_codec_hw_params()
557 	int ret;  in hdmi_codec_hw_params()
559 	if (!hcp->hcd.ops->hw_params)  in hdmi_codec_hw_params()
562 	dev_dbg(dai->dev, "%s() width %d rate %d channels %d\n", __func__,  in hdmi_codec_hw_params()
574 	memcpy(hp.iec.status, hcp->iec_status, sizeof(hp.iec.status));  in hdmi_codec_hw_params()
578 		dev_err(dai->dev, "Creating IEC958 channel status failed %d\n",  in hdmi_codec_hw_params()
583 	cf->bit_fmt = params_format(params);  in hdmi_codec_hw_params()
584 	return hcp->hcd.ops->hw_params(dai->dev->parent, hcp->hcd.data,  in hdmi_codec_hw_params()
588 static int hdmi_codec_prepare(struct snd_pcm_substream *substream,  in hdmi_codec_prepare()
593 	struct snd_pcm_runtime *runtime = substream->runtime;  in hdmi_codec_prepare()
594 	unsigned int channels = runtime->channels;  in hdmi_codec_prepare()
595 	unsigned int width = snd_pcm_format_width(runtime->format);  in hdmi_codec_prepare()
596 	unsigned int rate = runtime->rate;  in hdmi_codec_prepare()
598 	int ret;  in hdmi_codec_prepare()
600 	if (!hcp->hcd.ops->prepare)  in hdmi_codec_prepare()
603 	dev_dbg(dai->dev, "%s() width %d rate %d channels %d\n", __func__,  in hdmi_codec_prepare()
610 	memcpy(hp.iec.status, hcp->iec_status, sizeof(hp.iec.status));  in hdmi_codec_prepare()
614 		dev_err(dai->dev, "Creating IEC958 channel status failed %d\n",  in hdmi_codec_prepare()
619 	cf->bit_fmt = runtime->format;  in hdmi_codec_prepare()
620 	return hcp->hcd.ops->prepare(dai->dev->parent, hcp->hcd.data,  in hdmi_codec_prepare()
624 static int hdmi_codec_i2s_set_fmt(struct snd_soc_dai *dai,  in hdmi_codec_i2s_set_fmt()
625 				  unsigned int fmt)  in hdmi_codec_i2s_set_fmt()
634 		cf->bit_clk_provider = 1;  in hdmi_codec_i2s_set_fmt()
635 		cf->frame_clk_provider = 1;  in hdmi_codec_i2s_set_fmt()
638 		cf->frame_clk_provider = 1;  in hdmi_codec_i2s_set_fmt()
641 		cf->bit_clk_provider = 1;  in hdmi_codec_i2s_set_fmt()
646 		return -EINVAL;  in hdmi_codec_i2s_set_fmt()
653 		cf->frame_clk_inv = 1;  in hdmi_codec_i2s_set_fmt()
656 		cf->bit_clk_inv = 1;  in hdmi_codec_i2s_set_fmt()
659 		cf->frame_clk_inv = 1;  in hdmi_codec_i2s_set_fmt()
660 		cf->bit_clk_inv = 1;  in hdmi_codec_i2s_set_fmt()
666 		cf->fmt = HDMI_I2S;  in hdmi_codec_i2s_set_fmt()
669 		cf->fmt = HDMI_DSP_A;  in hdmi_codec_i2s_set_fmt()
672 		cf->fmt = HDMI_DSP_B;  in hdmi_codec_i2s_set_fmt()
675 		cf->fmt = HDMI_RIGHT_J;  in hdmi_codec_i2s_set_fmt()
678 		cf->fmt = HDMI_LEFT_J;  in hdmi_codec_i2s_set_fmt()
681 		cf->fmt = HDMI_AC97;  in hdmi_codec_i2s_set_fmt()
684 		dev_err(dai->dev, "Invalid DAI interface format\n");  in hdmi_codec_i2s_set_fmt()
685 		return -EINVAL;  in hdmi_codec_i2s_set_fmt()
691 static int hdmi_codec_mute(struct snd_soc_dai *dai, int mute, int direction)  in hdmi_codec_mute()
701 	if (hcp->hcd.ops->mute_stream &&  in hdmi_codec_mute()
703 	     !hcp->hcd.ops->no_capture_mute))  in hdmi_codec_mute()
704 		return hcp->hcd.ops->mute_stream(dai->dev->parent,  in hdmi_codec_mute()
705 						 hcp->hcd.data,  in hdmi_codec_mute()
708 	return -ENOTSUPP;  in hdmi_codec_mute()
716  *	${LINUX}/drivers/gpu/drm/bridge/synopsys/dw-hdmi-i2s-audio.c
741  * instance allowing the 32-bit formats enables 24-precision with CPU
742  * DAIs that do not support 24-bit formats. If the extra formats cause
754 		.name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, MASK),
775 static int hdmi_codec_pcm_new(struct snd_soc_pcm_runtime *rtd,  in hdmi_codec_pcm_new()
778 	struct snd_soc_dai_driver *drv = dai->driver;  in hdmi_codec_pcm_new()
780 	unsigned int i;  in hdmi_codec_pcm_new()
781 	int ret;  in hdmi_codec_pcm_new()
783 	ret =  snd_pcm_add_chmap_ctls(rtd->pcm, SNDRV_PCM_STREAM_PLAYBACK,  in hdmi_codec_pcm_new()
784 				      NULL, drv->playback.channels_max, 0,  in hdmi_codec_pcm_new()
785 				      &hcp->chmap_info);  in hdmi_codec_pcm_new()
790 	hcp->chmap_info->private_data = hcp;  in hdmi_codec_pcm_new()
791 	hcp->chmap_info->kctl->get = hdmi_codec_chmap_ctl_get;  in hdmi_codec_pcm_new()
794 	hcp->chmap_info->chmap = hdmi_codec_stereo_chmaps;  in hdmi_codec_pcm_new()
795 	hcp->chmap_idx = HDMI_CODEC_CHMAP_IDX_UNKNOWN;  in hdmi_codec_pcm_new()
801 		kctl = snd_ctl_new1(&hdmi_codec_controls[i], dai->component);  in hdmi_codec_pcm_new()
803 			return -ENOMEM;  in hdmi_codec_pcm_new()
805 		kctl->id.device = rtd->pcm->device;  in hdmi_codec_pcm_new()
806 		ret = snd_ctl_add(rtd->card->snd_card, kctl);  in hdmi_codec_pcm_new()
814 static int hdmi_dai_probe(struct snd_soc_dai *dai)  in hdmi_dai_probe()
821 			.source = dai->driver->playback.stream_name,  in hdmi_dai_probe()
824 			.sink = dai->driver->capture.stream_name,  in hdmi_dai_probe()
828 	int ret, i;  in hdmi_dai_probe()
830 	dapm = snd_soc_component_get_dapm(dai->component);  in hdmi_dai_probe()
842 	daifmt = devm_kzalloc(dai->dev, sizeof(*daifmt), GFP_KERNEL);  in hdmi_dai_probe()
844 		return -ENOMEM;  in hdmi_dai_probe()
852 				   unsigned int jack_status)  in hdmi_codec_jack_report()
854 	if (jack_status != hcp->jack_status) {  in hdmi_codec_jack_report()
855 		if (hcp->jack)  in hdmi_codec_jack_report()
856 			snd_soc_jack_report(hcp->jack, jack_status, SND_JACK_LINEOUT);  in hdmi_codec_jack_report()
857 		hcp->jack_status = jack_status;  in hdmi_codec_jack_report()
866 		if (hcp->hcd.ops->get_eld) {  in plugged_cb()
867 			hcp->hcd.ops->get_eld(dev->parent, hcp->hcd.data,  in plugged_cb()
868 					    hcp->eld, sizeof(hcp->eld));  in plugged_cb()
873 		memset(hcp->eld, 0, sizeof(hcp->eld));  in plugged_cb()
877 static int hdmi_codec_set_jack(struct snd_soc_component *component,  in hdmi_codec_set_jack()
883 	if (hcp->hcd.ops->hook_plugged_cb) {  in hdmi_codec_set_jack()
884 		hcp->jack = jack;  in hdmi_codec_set_jack()
890 		snd_soc_jack_report(jack, hcp->jack_status, SND_JACK_LINEOUT);  in hdmi_codec_set_jack()
895 	return -ENOTSUPP;  in hdmi_codec_set_jack()
898 static int hdmi_dai_spdif_probe(struct snd_soc_dai *dai)  in hdmi_dai_spdif_probe()
901 	int ret;  in hdmi_dai_spdif_probe()
908 	cf->fmt = HDMI_SPDIF;  in hdmi_dai_spdif_probe()
936 	.name = "i2s-hifi",
958 	.name = "spdif-hifi",
977 static int hdmi_of_xlate_dai_id(struct snd_soc_component *component,  in hdmi_of_xlate_dai_id()
981 	int ret = -ENOTSUPP; /* see snd_soc_get_dai_id() */  in hdmi_of_xlate_dai_id()
983 	if (hcp->hcd.ops->get_dai_id)  in hdmi_of_xlate_dai_id()
984 		ret = hcp->hcd.ops->get_dai_id(component, endpoint);  in hdmi_of_xlate_dai_id()
989 static int hdmi_probe(struct snd_soc_component *component)  in hdmi_probe()
992 	int ret = 0;  in hdmi_probe()
994 	if (hcp->hcd.ops->hook_plugged_cb) {  in hdmi_probe()
995 		ret = hcp->hcd.ops->hook_plugged_cb(component->dev->parent,  in hdmi_probe()
996 						    hcp->hcd.data,  in hdmi_probe()
998 						    component->dev);  in hdmi_probe()
1008 	if (hcp->hcd.ops->hook_plugged_cb)  in hdmi_remove()
1009 		hcp->hcd.ops->hook_plugged_cb(component->dev->parent,  in hdmi_remove()
1010 					      hcp->hcd.data, NULL, NULL);  in hdmi_remove()
1025 static int hdmi_codec_probe(struct platform_device *pdev)  in hdmi_codec_probe()
1027 	struct hdmi_codec_pdata *hcd = pdev->dev.platform_data;  in hdmi_codec_probe()
1029 	struct device *dev = &pdev->dev;  in hdmi_codec_probe()
1031 	int dai_count, i = 0;  in hdmi_codec_probe()
1032 	int ret;  in hdmi_codec_probe()
1036 		return -EINVAL;  in hdmi_codec_probe()
1039 	dai_count = hcd->i2s + hcd->spdif;  in hdmi_codec_probe()
1040 	if (dai_count < 1 || !hcd->ops ||  in hdmi_codec_probe()
1041 	    (!hcd->ops->hw_params && !hcd->ops->prepare) ||  in hdmi_codec_probe()
1042 	    !hcd->ops->audio_shutdown) {  in hdmi_codec_probe()
1044 		return -EINVAL;  in hdmi_codec_probe()
1049 		return -ENOMEM;  in hdmi_codec_probe()
1051 	hcp->hcd = *hcd;  in hdmi_codec_probe()
1052 	mutex_init(&hcp->lock);  in hdmi_codec_probe()
1054 	ret = snd_pcm_create_iec958_consumer_default(hcp->iec_status,  in hdmi_codec_probe()
1055 						     sizeof(hcp->iec_status));  in hdmi_codec_probe()
1061 		return -ENOMEM;  in hdmi_codec_probe()
1063 	if (hcd->i2s) {  in hdmi_codec_probe()
1065 		daidrv[i].playback.channels_max = hcd->max_i2s_channels;  in hdmi_codec_probe()
1066 		if (hcd->no_i2s_playback)  in hdmi_codec_probe()
1069 		if (hcd->no_i2s_capture)  in hdmi_codec_probe()
1075 	if (hcd->spdif) {  in hdmi_codec_probe()
1077 		if (hcd->no_spdif_playback)  in hdmi_codec_probe()
1080 		if (hcd->no_spdif_capture)  in hdmi_codec_probe()