16bae5ea9SRakesh Ughreja // SPDX-License-Identifier: GPL-2.0
26bae5ea9SRakesh Ughreja // Copyright(c) 2015-18 Intel Corporation.
36bae5ea9SRakesh Ughreja
46bae5ea9SRakesh Ughreja /*
56bae5ea9SRakesh Ughreja * hdac_hda.c - ASoC extensions to reuse the legacy HDA codec drivers
66bae5ea9SRakesh Ughreja * with ASoC platform drivers. These APIs are called by the legacy HDA
76bae5ea9SRakesh Ughreja * codec drivers using hdac_ext_bus_ops ops.
86bae5ea9SRakesh Ughreja */
96bae5ea9SRakesh Ughreja
106bae5ea9SRakesh Ughreja #include <linux/init.h>
116bae5ea9SRakesh Ughreja #include <linux/delay.h>
126bae5ea9SRakesh Ughreja #include <linux/module.h>
136bae5ea9SRakesh Ughreja #include <linux/pm_runtime.h>
146bae5ea9SRakesh Ughreja #include <sound/pcm_params.h>
156bae5ea9SRakesh Ughreja #include <sound/soc.h>
166bae5ea9SRakesh Ughreja #include <sound/hdaudio_ext.h>
17608b8c36SKai Vehmanen #include <sound/hda_i915.h>
186bae5ea9SRakesh Ughreja #include <sound/hda_codec.h>
196bae5ea9SRakesh Ughreja #include <sound/hda_register.h>
206bae5ea9SRakesh Ughreja
21608b8c36SKai Vehmanen #include "hdac_hda.h"
226bae5ea9SRakesh Ughreja
236bae5ea9SRakesh Ughreja #define STUB_FORMATS (SNDRV_PCM_FMTBIT_S8 | \
246bae5ea9SRakesh Ughreja SNDRV_PCM_FMTBIT_U8 | \
256bae5ea9SRakesh Ughreja SNDRV_PCM_FMTBIT_S16_LE | \
266bae5ea9SRakesh Ughreja SNDRV_PCM_FMTBIT_U16_LE | \
276bae5ea9SRakesh Ughreja SNDRV_PCM_FMTBIT_S24_LE | \
286bae5ea9SRakesh Ughreja SNDRV_PCM_FMTBIT_U24_LE | \
296bae5ea9SRakesh Ughreja SNDRV_PCM_FMTBIT_S32_LE | \
306bae5ea9SRakesh Ughreja SNDRV_PCM_FMTBIT_U32_LE | \
316bae5ea9SRakesh Ughreja SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE)
326bae5ea9SRakesh Ughreja
33608b8c36SKai Vehmanen #define STUB_HDMI_RATES (SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |\
34608b8c36SKai Vehmanen SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 |\
35608b8c36SKai Vehmanen SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_176400 |\
36608b8c36SKai Vehmanen SNDRV_PCM_RATE_192000)
37608b8c36SKai Vehmanen
386bae5ea9SRakesh Ughreja static int hdac_hda_dai_open(struct snd_pcm_substream *substream,
396bae5ea9SRakesh Ughreja struct snd_soc_dai *dai);
406bae5ea9SRakesh Ughreja static void hdac_hda_dai_close(struct snd_pcm_substream *substream,
416bae5ea9SRakesh Ughreja struct snd_soc_dai *dai);
426bae5ea9SRakesh Ughreja static int hdac_hda_dai_prepare(struct snd_pcm_substream *substream,
436bae5ea9SRakesh Ughreja struct snd_soc_dai *dai);
4403d0aa4dSRander Wang static int hdac_hda_dai_hw_params(struct snd_pcm_substream *substream,
4503d0aa4dSRander Wang struct snd_pcm_hw_params *params,
4603d0aa4dSRander Wang struct snd_soc_dai *dai);
476bae5ea9SRakesh Ughreja static int hdac_hda_dai_hw_free(struct snd_pcm_substream *substream,
486bae5ea9SRakesh Ughreja struct snd_soc_dai *dai);
4963611041SPierre-Louis Bossart static int hdac_hda_dai_set_stream(struct snd_soc_dai *dai, void *stream,
5063611041SPierre-Louis Bossart int direction);
516bae5ea9SRakesh Ughreja static struct hda_pcm *snd_soc_find_pcm_from_dai(struct hdac_hda_priv *hda_pvt,
526bae5ea9SRakesh Ughreja struct snd_soc_dai *dai);
536bae5ea9SRakesh Ughreja
54704a9fc2SJulia Lawall static const struct snd_soc_dai_ops hdac_hda_dai_ops = {
556bae5ea9SRakesh Ughreja .startup = hdac_hda_dai_open,
566bae5ea9SRakesh Ughreja .shutdown = hdac_hda_dai_close,
576bae5ea9SRakesh Ughreja .prepare = hdac_hda_dai_prepare,
5803d0aa4dSRander Wang .hw_params = hdac_hda_dai_hw_params,
596bae5ea9SRakesh Ughreja .hw_free = hdac_hda_dai_hw_free,
6063611041SPierre-Louis Bossart .set_stream = hdac_hda_dai_set_stream,
616bae5ea9SRakesh Ughreja };
626bae5ea9SRakesh Ughreja
636bae5ea9SRakesh Ughreja static struct snd_soc_dai_driver hdac_hda_dais[] = {
646bae5ea9SRakesh Ughreja {
656bae5ea9SRakesh Ughreja .id = HDAC_ANALOG_DAI_ID,
666bae5ea9SRakesh Ughreja .name = "Analog Codec DAI",
676bae5ea9SRakesh Ughreja .ops = &hdac_hda_dai_ops,
686bae5ea9SRakesh Ughreja .playback = {
696bae5ea9SRakesh Ughreja .stream_name = "Analog Codec Playback",
706bae5ea9SRakesh Ughreja .channels_min = 1,
716bae5ea9SRakesh Ughreja .channels_max = 16,
726bae5ea9SRakesh Ughreja .rates = SNDRV_PCM_RATE_8000_192000,
736bae5ea9SRakesh Ughreja .formats = STUB_FORMATS,
746bae5ea9SRakesh Ughreja .sig_bits = 24,
756bae5ea9SRakesh Ughreja },
766bae5ea9SRakesh Ughreja .capture = {
776bae5ea9SRakesh Ughreja .stream_name = "Analog Codec Capture",
786bae5ea9SRakesh Ughreja .channels_min = 1,
796bae5ea9SRakesh Ughreja .channels_max = 16,
806bae5ea9SRakesh Ughreja .rates = SNDRV_PCM_RATE_8000_192000,
816bae5ea9SRakesh Ughreja .formats = STUB_FORMATS,
826bae5ea9SRakesh Ughreja .sig_bits = 24,
836bae5ea9SRakesh Ughreja },
846bae5ea9SRakesh Ughreja },
856bae5ea9SRakesh Ughreja {
866bae5ea9SRakesh Ughreja .id = HDAC_DIGITAL_DAI_ID,
876bae5ea9SRakesh Ughreja .name = "Digital Codec DAI",
886bae5ea9SRakesh Ughreja .ops = &hdac_hda_dai_ops,
896bae5ea9SRakesh Ughreja .playback = {
906bae5ea9SRakesh Ughreja .stream_name = "Digital Codec Playback",
916bae5ea9SRakesh Ughreja .channels_min = 1,
926bae5ea9SRakesh Ughreja .channels_max = 16,
936bae5ea9SRakesh Ughreja .rates = SNDRV_PCM_RATE_8000_192000,
946bae5ea9SRakesh Ughreja .formats = STUB_FORMATS,
956bae5ea9SRakesh Ughreja .sig_bits = 24,
966bae5ea9SRakesh Ughreja },
976bae5ea9SRakesh Ughreja .capture = {
986bae5ea9SRakesh Ughreja .stream_name = "Digital Codec Capture",
996bae5ea9SRakesh Ughreja .channels_min = 1,
1006bae5ea9SRakesh Ughreja .channels_max = 16,
1016bae5ea9SRakesh Ughreja .rates = SNDRV_PCM_RATE_8000_192000,
1026bae5ea9SRakesh Ughreja .formats = STUB_FORMATS,
1036bae5ea9SRakesh Ughreja .sig_bits = 24,
1046bae5ea9SRakesh Ughreja },
1056bae5ea9SRakesh Ughreja },
1066bae5ea9SRakesh Ughreja {
1076bae5ea9SRakesh Ughreja .id = HDAC_ALT_ANALOG_DAI_ID,
1086bae5ea9SRakesh Ughreja .name = "Alt Analog Codec DAI",
1096bae5ea9SRakesh Ughreja .ops = &hdac_hda_dai_ops,
1106bae5ea9SRakesh Ughreja .playback = {
1116bae5ea9SRakesh Ughreja .stream_name = "Alt Analog Codec Playback",
1126bae5ea9SRakesh Ughreja .channels_min = 1,
1136bae5ea9SRakesh Ughreja .channels_max = 16,
1146bae5ea9SRakesh Ughreja .rates = SNDRV_PCM_RATE_8000_192000,
1156bae5ea9SRakesh Ughreja .formats = STUB_FORMATS,
1166bae5ea9SRakesh Ughreja .sig_bits = 24,
1176bae5ea9SRakesh Ughreja },
1186bae5ea9SRakesh Ughreja .capture = {
1196bae5ea9SRakesh Ughreja .stream_name = "Alt Analog Codec Capture",
1206bae5ea9SRakesh Ughreja .channels_min = 1,
1216bae5ea9SRakesh Ughreja .channels_max = 16,
1226bae5ea9SRakesh Ughreja .rates = SNDRV_PCM_RATE_8000_192000,
1236bae5ea9SRakesh Ughreja .formats = STUB_FORMATS,
1246bae5ea9SRakesh Ughreja .sig_bits = 24,
1256bae5ea9SRakesh Ughreja },
126608b8c36SKai Vehmanen },
127*5713ab41SPeter Ujfalusi };
128*5713ab41SPeter Ujfalusi
129*5713ab41SPeter Ujfalusi static struct snd_soc_dai_driver hdac_hda_hdmi_dais[] = {
130608b8c36SKai Vehmanen {
131608b8c36SKai Vehmanen .id = HDAC_HDMI_0_DAI_ID,
132608b8c36SKai Vehmanen .name = "intel-hdmi-hifi1",
133608b8c36SKai Vehmanen .ops = &hdac_hda_dai_ops,
134608b8c36SKai Vehmanen .playback = {
135608b8c36SKai Vehmanen .stream_name = "hifi1",
136608b8c36SKai Vehmanen .channels_min = 1,
137608b8c36SKai Vehmanen .channels_max = 32,
138608b8c36SKai Vehmanen .rates = STUB_HDMI_RATES,
139608b8c36SKai Vehmanen .formats = STUB_FORMATS,
140608b8c36SKai Vehmanen .sig_bits = 24,
141608b8c36SKai Vehmanen },
142608b8c36SKai Vehmanen },
143608b8c36SKai Vehmanen {
144608b8c36SKai Vehmanen .id = HDAC_HDMI_1_DAI_ID,
145608b8c36SKai Vehmanen .name = "intel-hdmi-hifi2",
146608b8c36SKai Vehmanen .ops = &hdac_hda_dai_ops,
147608b8c36SKai Vehmanen .playback = {
148608b8c36SKai Vehmanen .stream_name = "hifi2",
149608b8c36SKai Vehmanen .channels_min = 1,
150608b8c36SKai Vehmanen .channels_max = 32,
151608b8c36SKai Vehmanen .rates = STUB_HDMI_RATES,
152608b8c36SKai Vehmanen .formats = STUB_FORMATS,
153608b8c36SKai Vehmanen .sig_bits = 24,
154608b8c36SKai Vehmanen },
155608b8c36SKai Vehmanen },
156608b8c36SKai Vehmanen {
157608b8c36SKai Vehmanen .id = HDAC_HDMI_2_DAI_ID,
158608b8c36SKai Vehmanen .name = "intel-hdmi-hifi3",
159608b8c36SKai Vehmanen .ops = &hdac_hda_dai_ops,
160608b8c36SKai Vehmanen .playback = {
161608b8c36SKai Vehmanen .stream_name = "hifi3",
162608b8c36SKai Vehmanen .channels_min = 1,
163608b8c36SKai Vehmanen .channels_max = 32,
164608b8c36SKai Vehmanen .rates = STUB_HDMI_RATES,
165608b8c36SKai Vehmanen .formats = STUB_FORMATS,
166608b8c36SKai Vehmanen .sig_bits = 24,
167608b8c36SKai Vehmanen },
168608b8c36SKai Vehmanen },
1694bb16cd8SSathyanarayana Nujella {
1704bb16cd8SSathyanarayana Nujella .id = HDAC_HDMI_3_DAI_ID,
1714bb16cd8SSathyanarayana Nujella .name = "intel-hdmi-hifi4",
1724bb16cd8SSathyanarayana Nujella .ops = &hdac_hda_dai_ops,
1734bb16cd8SSathyanarayana Nujella .playback = {
1744bb16cd8SSathyanarayana Nujella .stream_name = "hifi4",
1754bb16cd8SSathyanarayana Nujella .channels_min = 1,
1764bb16cd8SSathyanarayana Nujella .channels_max = 32,
1774bb16cd8SSathyanarayana Nujella .rates = STUB_HDMI_RATES,
1784bb16cd8SSathyanarayana Nujella .formats = STUB_FORMATS,
1794bb16cd8SSathyanarayana Nujella .sig_bits = 24,
1804bb16cd8SSathyanarayana Nujella },
1814bb16cd8SSathyanarayana Nujella },
1826bae5ea9SRakesh Ughreja
1836bae5ea9SRakesh Ughreja };
1846bae5ea9SRakesh Ughreja
hdac_hda_dai_set_stream(struct snd_soc_dai * dai,void * stream,int direction)18563611041SPierre-Louis Bossart static int hdac_hda_dai_set_stream(struct snd_soc_dai *dai,
18663611041SPierre-Louis Bossart void *stream, int direction)
1876bae5ea9SRakesh Ughreja {
1886bae5ea9SRakesh Ughreja struct snd_soc_component *component = dai->component;
1896bae5ea9SRakesh Ughreja struct hdac_hda_priv *hda_pvt;
1906bae5ea9SRakesh Ughreja struct hdac_hda_pcm *pcm;
19163611041SPierre-Louis Bossart struct hdac_stream *hstream;
19263611041SPierre-Louis Bossart
19363611041SPierre-Louis Bossart if (!stream)
19463611041SPierre-Louis Bossart return -EINVAL;
1956bae5ea9SRakesh Ughreja
1966bae5ea9SRakesh Ughreja hda_pvt = snd_soc_component_get_drvdata(component);
1976bae5ea9SRakesh Ughreja pcm = &hda_pvt->pcm[dai->id];
19863611041SPierre-Louis Bossart hstream = (struct hdac_stream *)stream;
199608b8c36SKai Vehmanen
20063611041SPierre-Louis Bossart pcm->stream_tag[direction] = hstream->stream_tag;
2016bae5ea9SRakesh Ughreja
2026bae5ea9SRakesh Ughreja return 0;
2036bae5ea9SRakesh Ughreja }
2046bae5ea9SRakesh Ughreja
hdac_hda_dai_hw_params(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params,struct snd_soc_dai * dai)20503d0aa4dSRander Wang static int hdac_hda_dai_hw_params(struct snd_pcm_substream *substream,
20603d0aa4dSRander Wang struct snd_pcm_hw_params *params,
20703d0aa4dSRander Wang struct snd_soc_dai *dai)
20803d0aa4dSRander Wang {
20903d0aa4dSRander Wang struct snd_soc_component *component = dai->component;
21003d0aa4dSRander Wang struct hdac_hda_priv *hda_pvt;
21103d0aa4dSRander Wang unsigned int format_val;
21203d0aa4dSRander Wang unsigned int maxbps;
21303d0aa4dSRander Wang
21403d0aa4dSRander Wang if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
21503d0aa4dSRander Wang maxbps = dai->driver->playback.sig_bits;
21603d0aa4dSRander Wang else
21703d0aa4dSRander Wang maxbps = dai->driver->capture.sig_bits;
21803d0aa4dSRander Wang
21903d0aa4dSRander Wang hda_pvt = snd_soc_component_get_drvdata(component);
22003d0aa4dSRander Wang format_val = snd_hdac_calc_stream_format(params_rate(params),
22103d0aa4dSRander Wang params_channels(params),
22203d0aa4dSRander Wang params_format(params),
22303d0aa4dSRander Wang maxbps,
22403d0aa4dSRander Wang 0);
22503d0aa4dSRander Wang if (!format_val) {
22603d0aa4dSRander Wang dev_err(dai->dev,
22703d0aa4dSRander Wang "invalid format_val, rate=%d, ch=%d, format=%d, maxbps=%d\n",
22803d0aa4dSRander Wang params_rate(params), params_channels(params),
22903d0aa4dSRander Wang params_format(params), maxbps);
23003d0aa4dSRander Wang
23103d0aa4dSRander Wang return -EINVAL;
23203d0aa4dSRander Wang }
23303d0aa4dSRander Wang
23403d0aa4dSRander Wang hda_pvt->pcm[dai->id].format_val[substream->stream] = format_val;
23503d0aa4dSRander Wang return 0;
23603d0aa4dSRander Wang }
23703d0aa4dSRander Wang
hdac_hda_dai_hw_free(struct snd_pcm_substream * substream,struct snd_soc_dai * dai)2386bae5ea9SRakesh Ughreja static int hdac_hda_dai_hw_free(struct snd_pcm_substream *substream,
2396bae5ea9SRakesh Ughreja struct snd_soc_dai *dai)
2406bae5ea9SRakesh Ughreja {
2416bae5ea9SRakesh Ughreja struct snd_soc_component *component = dai->component;
2426bae5ea9SRakesh Ughreja struct hdac_hda_priv *hda_pvt;
2436bae5ea9SRakesh Ughreja struct hda_pcm_stream *hda_stream;
2446bae5ea9SRakesh Ughreja struct hda_pcm *pcm;
2456bae5ea9SRakesh Ughreja
2466bae5ea9SRakesh Ughreja hda_pvt = snd_soc_component_get_drvdata(component);
2476bae5ea9SRakesh Ughreja pcm = snd_soc_find_pcm_from_dai(hda_pvt, dai);
2486bae5ea9SRakesh Ughreja if (!pcm)
2496bae5ea9SRakesh Ughreja return -EINVAL;
2506bae5ea9SRakesh Ughreja
2516bae5ea9SRakesh Ughreja hda_stream = &pcm->stream[substream->stream];
2523fd63658SCezary Rojewski snd_hda_codec_cleanup(hda_pvt->codec, hda_stream, substream);
2536bae5ea9SRakesh Ughreja
2546bae5ea9SRakesh Ughreja return 0;
2556bae5ea9SRakesh Ughreja }
2566bae5ea9SRakesh Ughreja
hdac_hda_dai_prepare(struct snd_pcm_substream * substream,struct snd_soc_dai * dai)2576bae5ea9SRakesh Ughreja static int hdac_hda_dai_prepare(struct snd_pcm_substream *substream,
2586bae5ea9SRakesh Ughreja struct snd_soc_dai *dai)
2596bae5ea9SRakesh Ughreja {
2606bae5ea9SRakesh Ughreja struct snd_soc_component *component = dai->component;
2616bae5ea9SRakesh Ughreja struct hda_pcm_stream *hda_stream;
26203d0aa4dSRander Wang struct hdac_hda_priv *hda_pvt;
26303d0aa4dSRander Wang struct hdac_device *hdev;
2646bae5ea9SRakesh Ughreja unsigned int format_val;
2656bae5ea9SRakesh Ughreja struct hda_pcm *pcm;
2666bae5ea9SRakesh Ughreja unsigned int stream;
2676bae5ea9SRakesh Ughreja int ret = 0;
2686bae5ea9SRakesh Ughreja
2696bae5ea9SRakesh Ughreja hda_pvt = snd_soc_component_get_drvdata(component);
2703fd63658SCezary Rojewski hdev = &hda_pvt->codec->core;
2716bae5ea9SRakesh Ughreja pcm = snd_soc_find_pcm_from_dai(hda_pvt, dai);
2726bae5ea9SRakesh Ughreja if (!pcm)
2736bae5ea9SRakesh Ughreja return -EINVAL;
2746bae5ea9SRakesh Ughreja
2756bae5ea9SRakesh Ughreja hda_stream = &pcm->stream[substream->stream];
2766bae5ea9SRakesh Ughreja
2776bae5ea9SRakesh Ughreja stream = hda_pvt->pcm[dai->id].stream_tag[substream->stream];
27803d0aa4dSRander Wang format_val = hda_pvt->pcm[dai->id].format_val[substream->stream];
2796bae5ea9SRakesh Ughreja
2803fd63658SCezary Rojewski ret = snd_hda_codec_prepare(hda_pvt->codec, hda_stream,
2816bae5ea9SRakesh Ughreja stream, format_val, substream);
2826bae5ea9SRakesh Ughreja if (ret < 0)
2836bae5ea9SRakesh Ughreja dev_err(&hdev->dev, "codec prepare failed %d\n", ret);
2846bae5ea9SRakesh Ughreja
2856bae5ea9SRakesh Ughreja return ret;
2866bae5ea9SRakesh Ughreja }
2876bae5ea9SRakesh Ughreja
hdac_hda_dai_open(struct snd_pcm_substream * substream,struct snd_soc_dai * dai)2886bae5ea9SRakesh Ughreja static int hdac_hda_dai_open(struct snd_pcm_substream *substream,
2896bae5ea9SRakesh Ughreja struct snd_soc_dai *dai)
2906bae5ea9SRakesh Ughreja {
2916bae5ea9SRakesh Ughreja struct snd_soc_component *component = dai->component;
2926bae5ea9SRakesh Ughreja struct hdac_hda_priv *hda_pvt;
2936bae5ea9SRakesh Ughreja struct hda_pcm_stream *hda_stream;
2946bae5ea9SRakesh Ughreja struct hda_pcm *pcm;
2956bae5ea9SRakesh Ughreja
2966bae5ea9SRakesh Ughreja hda_pvt = snd_soc_component_get_drvdata(component);
2976bae5ea9SRakesh Ughreja pcm = snd_soc_find_pcm_from_dai(hda_pvt, dai);
2986bae5ea9SRakesh Ughreja if (!pcm)
2996bae5ea9SRakesh Ughreja return -EINVAL;
3006bae5ea9SRakesh Ughreja
3016bae5ea9SRakesh Ughreja snd_hda_codec_pcm_get(pcm);
3026bae5ea9SRakesh Ughreja
3036bae5ea9SRakesh Ughreja hda_stream = &pcm->stream[substream->stream];
3046bae5ea9SRakesh Ughreja
3053fd63658SCezary Rojewski return hda_stream->ops.open(hda_stream, hda_pvt->codec, substream);
3066bae5ea9SRakesh Ughreja }
3076bae5ea9SRakesh Ughreja
hdac_hda_dai_close(struct snd_pcm_substream * substream,struct snd_soc_dai * dai)3086bae5ea9SRakesh Ughreja static void hdac_hda_dai_close(struct snd_pcm_substream *substream,
3096bae5ea9SRakesh Ughreja struct snd_soc_dai *dai)
3106bae5ea9SRakesh Ughreja {
3116bae5ea9SRakesh Ughreja struct snd_soc_component *component = dai->component;
3126bae5ea9SRakesh Ughreja struct hdac_hda_priv *hda_pvt;
3136bae5ea9SRakesh Ughreja struct hda_pcm_stream *hda_stream;
3146bae5ea9SRakesh Ughreja struct hda_pcm *pcm;
3156bae5ea9SRakesh Ughreja
3166bae5ea9SRakesh Ughreja hda_pvt = snd_soc_component_get_drvdata(component);
3176bae5ea9SRakesh Ughreja pcm = snd_soc_find_pcm_from_dai(hda_pvt, dai);
3186bae5ea9SRakesh Ughreja if (!pcm)
3196bae5ea9SRakesh Ughreja return;
3206bae5ea9SRakesh Ughreja
3216bae5ea9SRakesh Ughreja hda_stream = &pcm->stream[substream->stream];
3226bae5ea9SRakesh Ughreja
3233fd63658SCezary Rojewski hda_stream->ops.close(hda_stream, hda_pvt->codec, substream);
3246bae5ea9SRakesh Ughreja
3256bae5ea9SRakesh Ughreja snd_hda_codec_pcm_put(pcm);
3266bae5ea9SRakesh Ughreja }
3276bae5ea9SRakesh Ughreja
snd_soc_find_pcm_from_dai(struct hdac_hda_priv * hda_pvt,struct snd_soc_dai * dai)3286bae5ea9SRakesh Ughreja static struct hda_pcm *snd_soc_find_pcm_from_dai(struct hdac_hda_priv *hda_pvt,
3296bae5ea9SRakesh Ughreja struct snd_soc_dai *dai)
3306bae5ea9SRakesh Ughreja {
3313fd63658SCezary Rojewski struct hda_codec *hcodec = hda_pvt->codec;
3326bae5ea9SRakesh Ughreja struct hda_pcm *cpcm;
3336bae5ea9SRakesh Ughreja const char *pcm_name;
3346bae5ea9SRakesh Ughreja
335608b8c36SKai Vehmanen /*
336608b8c36SKai Vehmanen * map DAI ID to the closest matching PCM name, using the naming
337608b8c36SKai Vehmanen * scheme used by hda-codec snd_hda_gen_build_pcms() and for
338608b8c36SKai Vehmanen * HDMI in hda_codec patch_hdmi.c)
339608b8c36SKai Vehmanen */
340608b8c36SKai Vehmanen
3416bae5ea9SRakesh Ughreja switch (dai->id) {
3426bae5ea9SRakesh Ughreja case HDAC_ANALOG_DAI_ID:
3436bae5ea9SRakesh Ughreja pcm_name = "Analog";
3446bae5ea9SRakesh Ughreja break;
3456bae5ea9SRakesh Ughreja case HDAC_DIGITAL_DAI_ID:
3466bae5ea9SRakesh Ughreja pcm_name = "Digital";
3476bae5ea9SRakesh Ughreja break;
3486bae5ea9SRakesh Ughreja case HDAC_ALT_ANALOG_DAI_ID:
3496bae5ea9SRakesh Ughreja pcm_name = "Alt Analog";
3506bae5ea9SRakesh Ughreja break;
351608b8c36SKai Vehmanen case HDAC_HDMI_0_DAI_ID:
352608b8c36SKai Vehmanen pcm_name = "HDMI 0";
353608b8c36SKai Vehmanen break;
354608b8c36SKai Vehmanen case HDAC_HDMI_1_DAI_ID:
355608b8c36SKai Vehmanen pcm_name = "HDMI 1";
356608b8c36SKai Vehmanen break;
357608b8c36SKai Vehmanen case HDAC_HDMI_2_DAI_ID:
358608b8c36SKai Vehmanen pcm_name = "HDMI 2";
359608b8c36SKai Vehmanen break;
3604bb16cd8SSathyanarayana Nujella case HDAC_HDMI_3_DAI_ID:
3614bb16cd8SSathyanarayana Nujella pcm_name = "HDMI 3";
3624bb16cd8SSathyanarayana Nujella break;
3636bae5ea9SRakesh Ughreja default:
3646bae5ea9SRakesh Ughreja dev_err(&hcodec->core.dev, "invalid dai id %d\n", dai->id);
3656bae5ea9SRakesh Ughreja return NULL;
3666bae5ea9SRakesh Ughreja }
3676bae5ea9SRakesh Ughreja
3686bae5ea9SRakesh Ughreja list_for_each_entry(cpcm, &hcodec->pcm_list_head, list) {
369e9476990SMeng Tang if (strstr(cpcm->name, pcm_name)) {
370e9476990SMeng Tang if (strcmp(pcm_name, "Analog") == 0) {
371e9476990SMeng Tang if (strstr(cpcm->name, "Alt Analog"))
372e9476990SMeng Tang continue;
373e9476990SMeng Tang }
3746bae5ea9SRakesh Ughreja return cpcm;
3756bae5ea9SRakesh Ughreja }
376e9476990SMeng Tang }
3776bae5ea9SRakesh Ughreja
3786bae5ea9SRakesh Ughreja dev_err(&hcodec->core.dev, "didn't find PCM for DAI %s\n", dai->name);
3796bae5ea9SRakesh Ughreja return NULL;
3806bae5ea9SRakesh Ughreja }
3816bae5ea9SRakesh Ughreja
is_hdmi_codec(struct hda_codec * hcodec)382608b8c36SKai Vehmanen static bool is_hdmi_codec(struct hda_codec *hcodec)
383608b8c36SKai Vehmanen {
384608b8c36SKai Vehmanen struct hda_pcm *cpcm;
385608b8c36SKai Vehmanen
386608b8c36SKai Vehmanen list_for_each_entry(cpcm, &hcodec->pcm_list_head, list) {
387608b8c36SKai Vehmanen if (cpcm->pcm_type == HDA_PCM_TYPE_HDMI)
388608b8c36SKai Vehmanen return true;
389608b8c36SKai Vehmanen }
390608b8c36SKai Vehmanen
391608b8c36SKai Vehmanen return false;
392608b8c36SKai Vehmanen }
393608b8c36SKai Vehmanen
hdac_hda_codec_probe(struct snd_soc_component * component)3946bae5ea9SRakesh Ughreja static int hdac_hda_codec_probe(struct snd_soc_component *component)
3956bae5ea9SRakesh Ughreja {
3966bae5ea9SRakesh Ughreja struct hdac_hda_priv *hda_pvt =
3976bae5ea9SRakesh Ughreja snd_soc_component_get_drvdata(component);
3986bae5ea9SRakesh Ughreja struct snd_soc_dapm_context *dapm =
3996bae5ea9SRakesh Ughreja snd_soc_component_get_dapm(component);
4003fd63658SCezary Rojewski struct hdac_device *hdev = &hda_pvt->codec->core;
4013fd63658SCezary Rojewski struct hda_codec *hcodec = hda_pvt->codec;
4026bae5ea9SRakesh Ughreja struct hdac_ext_link *hlink;
4036bae5ea9SRakesh Ughreja hda_codec_patch_t patch;
4046bae5ea9SRakesh Ughreja int ret;
4056bae5ea9SRakesh Ughreja
406b0cd60f3SPierre-Louis Bossart hlink = snd_hdac_ext_bus_get_hlink_by_name(hdev->bus, dev_name(&hdev->dev));
4076bae5ea9SRakesh Ughreja if (!hlink) {
4086bae5ea9SRakesh Ughreja dev_err(&hdev->dev, "hdac link not found\n");
4096bae5ea9SRakesh Ughreja return -EIO;
4106bae5ea9SRakesh Ughreja }
4116bae5ea9SRakesh Ughreja
4126bae5ea9SRakesh Ughreja snd_hdac_ext_bus_link_get(hdev->bus, hlink);
4136bae5ea9SRakesh Ughreja
414608b8c36SKai Vehmanen /*
415608b8c36SKai Vehmanen * Ensure any HDA display is powered at codec probe.
416608b8c36SKai Vehmanen * After snd_hda_codec_device_new(), display power is
417608b8c36SKai Vehmanen * managed by runtime PM.
418608b8c36SKai Vehmanen */
419608b8c36SKai Vehmanen if (hda_pvt->need_display_power)
420608b8c36SKai Vehmanen snd_hdac_display_power(hdev->bus,
421608b8c36SKai Vehmanen HDA_CODEC_IDX_CONTROLLER, true);
422608b8c36SKai Vehmanen
4236bae5ea9SRakesh Ughreja ret = snd_hda_codec_device_new(hcodec->bus, component->card->snd_card,
42417e0c4cbSCezary Rojewski hdev->addr, hcodec, true);
4256bae5ea9SRakesh Ughreja if (ret < 0) {
4266bae5ea9SRakesh Ughreja dev_err(&hdev->dev, "failed to create hda codec %d\n", ret);
4276bae5ea9SRakesh Ughreja goto error_no_pm;
4286bae5ea9SRakesh Ughreja }
429b60ee2e2SBard liao /*
430b60ee2e2SBard liao * Overwrite type to HDA_DEV_ASOC since it is a ASoC driver
431b60ee2e2SBard liao * hda_codec.c will check this flag to determine if unregister
432b60ee2e2SBard liao * device is needed.
433b60ee2e2SBard liao */
434b60ee2e2SBard liao hdev->type = HDA_DEV_ASOC;
4356bae5ea9SRakesh Ughreja
4366bae5ea9SRakesh Ughreja /*
4376bae5ea9SRakesh Ughreja * snd_hda_codec_device_new decrements the usage count so call get pm
4386bae5ea9SRakesh Ughreja * else the device will be powered off
4396bae5ea9SRakesh Ughreja */
4406bae5ea9SRakesh Ughreja pm_runtime_get_noresume(&hdev->dev);
4416bae5ea9SRakesh Ughreja
4426bae5ea9SRakesh Ughreja hcodec->bus->card = dapm->card->snd_card;
4436bae5ea9SRakesh Ughreja
4446bae5ea9SRakesh Ughreja ret = snd_hda_codec_set_name(hcodec, hcodec->preset->name);
4456bae5ea9SRakesh Ughreja if (ret < 0) {
4466bae5ea9SRakesh Ughreja dev_err(&hdev->dev, "name failed %s\n", hcodec->preset->name);
447a94eacceSPierre-Louis Bossart goto error_pm;
4486bae5ea9SRakesh Ughreja }
4496bae5ea9SRakesh Ughreja
4506bae5ea9SRakesh Ughreja ret = snd_hdac_regmap_init(&hcodec->core);
4516bae5ea9SRakesh Ughreja if (ret < 0) {
4526bae5ea9SRakesh Ughreja dev_err(&hdev->dev, "regmap init failed\n");
453a94eacceSPierre-Louis Bossart goto error_pm;
4546bae5ea9SRakesh Ughreja }
4556bae5ea9SRakesh Ughreja
4566bae5ea9SRakesh Ughreja patch = (hda_codec_patch_t)hcodec->preset->driver_data;
4576bae5ea9SRakesh Ughreja if (patch) {
4586bae5ea9SRakesh Ughreja ret = patch(hcodec);
4596bae5ea9SRakesh Ughreja if (ret < 0) {
4606bae5ea9SRakesh Ughreja dev_err(&hdev->dev, "patch failed %d\n", ret);
461a94eacceSPierre-Louis Bossart goto error_regmap;
4626bae5ea9SRakesh Ughreja }
4636bae5ea9SRakesh Ughreja } else {
4646bae5ea9SRakesh Ughreja dev_dbg(&hdev->dev, "no patch file found\n");
4656bae5ea9SRakesh Ughreja }
4666bae5ea9SRakesh Ughreja
4676bae5ea9SRakesh Ughreja ret = snd_hda_codec_parse_pcms(hcodec);
4686bae5ea9SRakesh Ughreja if (ret < 0) {
4696bae5ea9SRakesh Ughreja dev_err(&hdev->dev, "unable to map pcms to dai %d\n", ret);
470640f835cSKai Vehmanen goto error_patch;
4716bae5ea9SRakesh Ughreja }
4726bae5ea9SRakesh Ughreja
473608b8c36SKai Vehmanen /* HDMI controls need to be created in machine drivers */
474608b8c36SKai Vehmanen if (!is_hdmi_codec(hcodec)) {
4756bae5ea9SRakesh Ughreja ret = snd_hda_codec_build_controls(hcodec);
4766bae5ea9SRakesh Ughreja if (ret < 0) {
477608b8c36SKai Vehmanen dev_err(&hdev->dev, "unable to create controls %d\n",
478608b8c36SKai Vehmanen ret);
479640f835cSKai Vehmanen goto error_patch;
4806bae5ea9SRakesh Ughreja }
481608b8c36SKai Vehmanen }
4826bae5ea9SRakesh Ughreja
4836bae5ea9SRakesh Ughreja hcodec->core.lazy_cache = true;
4846bae5ea9SRakesh Ughreja
485608b8c36SKai Vehmanen if (hda_pvt->need_display_power)
486608b8c36SKai Vehmanen snd_hdac_display_power(hdev->bus,
487608b8c36SKai Vehmanen HDA_CODEC_IDX_CONTROLLER, false);
488608b8c36SKai Vehmanen
4897a2ba46fSKai Vehmanen /* match for forbid call in snd_hda_codec_device_new() */
4907a2ba46fSKai Vehmanen pm_runtime_allow(&hdev->dev);
4917a2ba46fSKai Vehmanen
4926bae5ea9SRakesh Ughreja /*
4936bae5ea9SRakesh Ughreja * hdac_device core already sets the state to active and calls
4946bae5ea9SRakesh Ughreja * get_noresume. So enable runtime and set the device to suspend.
4956bae5ea9SRakesh Ughreja * pm_runtime_enable is also called during codec registeration
4966bae5ea9SRakesh Ughreja */
4976bae5ea9SRakesh Ughreja pm_runtime_put(&hdev->dev);
4986bae5ea9SRakesh Ughreja pm_runtime_suspend(&hdev->dev);
4996bae5ea9SRakesh Ughreja
5006bae5ea9SRakesh Ughreja return 0;
5016bae5ea9SRakesh Ughreja
502640f835cSKai Vehmanen error_patch:
503640f835cSKai Vehmanen if (hcodec->patch_ops.free)
504640f835cSKai Vehmanen hcodec->patch_ops.free(hcodec);
505a94eacceSPierre-Louis Bossart error_regmap:
506a94eacceSPierre-Louis Bossart snd_hdac_regmap_exit(hdev);
507a94eacceSPierre-Louis Bossart error_pm:
5086bae5ea9SRakesh Ughreja pm_runtime_put(&hdev->dev);
5096bae5ea9SRakesh Ughreja error_no_pm:
5106bae5ea9SRakesh Ughreja snd_hdac_ext_bus_link_put(hdev->bus, hlink);
5116bae5ea9SRakesh Ughreja return ret;
5126bae5ea9SRakesh Ughreja }
5136bae5ea9SRakesh Ughreja
hdac_hda_codec_remove(struct snd_soc_component * component)5146bae5ea9SRakesh Ughreja static void hdac_hda_codec_remove(struct snd_soc_component *component)
5156bae5ea9SRakesh Ughreja {
5166bae5ea9SRakesh Ughreja struct hdac_hda_priv *hda_pvt =
5176bae5ea9SRakesh Ughreja snd_soc_component_get_drvdata(component);
5183fd63658SCezary Rojewski struct hdac_device *hdev = &hda_pvt->codec->core;
5193fd63658SCezary Rojewski struct hda_codec *codec = hda_pvt->codec;
5206bae5ea9SRakesh Ughreja struct hdac_ext_link *hlink = NULL;
5216bae5ea9SRakesh Ughreja
522b0cd60f3SPierre-Louis Bossart hlink = snd_hdac_ext_bus_get_hlink_by_name(hdev->bus, dev_name(&hdev->dev));
5236bae5ea9SRakesh Ughreja if (!hlink) {
5246bae5ea9SRakesh Ughreja dev_err(&hdev->dev, "hdac link not found\n");
5256bae5ea9SRakesh Ughreja return;
5266bae5ea9SRakesh Ughreja }
5276bae5ea9SRakesh Ughreja
5286bae5ea9SRakesh Ughreja pm_runtime_disable(&hdev->dev);
5295dc7d5bcSKai Vehmanen snd_hdac_ext_bus_link_put(hdev->bus, hlink);
530a94eacceSPierre-Louis Bossart
531c3ec8ac8SKai Vehmanen if (codec->patch_ops.free)
532c3ec8ac8SKai Vehmanen codec->patch_ops.free(codec);
533c3ec8ac8SKai Vehmanen
534c3ec8ac8SKai Vehmanen snd_hda_codec_cleanup_for_unbind(codec);
5356bae5ea9SRakesh Ughreja }
5366bae5ea9SRakesh Ughreja
5376bae5ea9SRakesh Ughreja static const struct snd_soc_dapm_route hdac_hda_dapm_routes[] = {
5386bae5ea9SRakesh Ughreja {"AIF1TX", NULL, "Codec Input Pin1"},
5396bae5ea9SRakesh Ughreja {"AIF2TX", NULL, "Codec Input Pin2"},
5406bae5ea9SRakesh Ughreja {"AIF3TX", NULL, "Codec Input Pin3"},
5416bae5ea9SRakesh Ughreja
5426bae5ea9SRakesh Ughreja {"Codec Output Pin1", NULL, "AIF1RX"},
5436bae5ea9SRakesh Ughreja {"Codec Output Pin2", NULL, "AIF2RX"},
5446bae5ea9SRakesh Ughreja {"Codec Output Pin3", NULL, "AIF3RX"},
5456bae5ea9SRakesh Ughreja };
5466bae5ea9SRakesh Ughreja
5476bae5ea9SRakesh Ughreja static const struct snd_soc_dapm_widget hdac_hda_dapm_widgets[] = {
5486bae5ea9SRakesh Ughreja /* Audio Interface */
5496bae5ea9SRakesh Ughreja SND_SOC_DAPM_AIF_IN("AIF1RX", "Analog Codec Playback", 0,
5506bae5ea9SRakesh Ughreja SND_SOC_NOPM, 0, 0),
5516bae5ea9SRakesh Ughreja SND_SOC_DAPM_AIF_IN("AIF2RX", "Digital Codec Playback", 0,
5526bae5ea9SRakesh Ughreja SND_SOC_NOPM, 0, 0),
5536bae5ea9SRakesh Ughreja SND_SOC_DAPM_AIF_IN("AIF3RX", "Alt Analog Codec Playback", 0,
5546bae5ea9SRakesh Ughreja SND_SOC_NOPM, 0, 0),
5556bae5ea9SRakesh Ughreja SND_SOC_DAPM_AIF_OUT("AIF1TX", "Analog Codec Capture", 0,
5566bae5ea9SRakesh Ughreja SND_SOC_NOPM, 0, 0),
5576bae5ea9SRakesh Ughreja SND_SOC_DAPM_AIF_OUT("AIF2TX", "Digital Codec Capture", 0,
5586bae5ea9SRakesh Ughreja SND_SOC_NOPM, 0, 0),
5596bae5ea9SRakesh Ughreja SND_SOC_DAPM_AIF_OUT("AIF3TX", "Alt Analog Codec Capture", 0,
5606bae5ea9SRakesh Ughreja SND_SOC_NOPM, 0, 0),
5616bae5ea9SRakesh Ughreja
5626bae5ea9SRakesh Ughreja /* Input Pins */
5636bae5ea9SRakesh Ughreja SND_SOC_DAPM_INPUT("Codec Input Pin1"),
5646bae5ea9SRakesh Ughreja SND_SOC_DAPM_INPUT("Codec Input Pin2"),
5656bae5ea9SRakesh Ughreja SND_SOC_DAPM_INPUT("Codec Input Pin3"),
5666bae5ea9SRakesh Ughreja
5676bae5ea9SRakesh Ughreja /* Output Pins */
5686bae5ea9SRakesh Ughreja SND_SOC_DAPM_OUTPUT("Codec Output Pin1"),
5696bae5ea9SRakesh Ughreja SND_SOC_DAPM_OUTPUT("Codec Output Pin2"),
5706bae5ea9SRakesh Ughreja SND_SOC_DAPM_OUTPUT("Codec Output Pin3"),
5716bae5ea9SRakesh Ughreja };
5726bae5ea9SRakesh Ughreja
5736bae5ea9SRakesh Ughreja static const struct snd_soc_component_driver hdac_hda_codec = {
5746bae5ea9SRakesh Ughreja .probe = hdac_hda_codec_probe,
5756bae5ea9SRakesh Ughreja .remove = hdac_hda_codec_remove,
5766bae5ea9SRakesh Ughreja .dapm_widgets = hdac_hda_dapm_widgets,
5776bae5ea9SRakesh Ughreja .num_dapm_widgets = ARRAY_SIZE(hdac_hda_dapm_widgets),
5786bae5ea9SRakesh Ughreja .dapm_routes = hdac_hda_dapm_routes,
5796bae5ea9SRakesh Ughreja .num_dapm_routes = ARRAY_SIZE(hdac_hda_dapm_routes),
5801324cd8dSCharles Keepax .idle_bias_on = false,
5811324cd8dSCharles Keepax .endianness = 1,
5826bae5ea9SRakesh Ughreja };
5836bae5ea9SRakesh Ughreja
584*5713ab41SPeter Ujfalusi static const struct snd_soc_component_driver hdac_hda_hdmi_codec = {
585*5713ab41SPeter Ujfalusi .probe = hdac_hda_codec_probe,
586*5713ab41SPeter Ujfalusi .remove = hdac_hda_codec_remove,
587*5713ab41SPeter Ujfalusi .idle_bias_on = false,
588*5713ab41SPeter Ujfalusi .endianness = 1,
589*5713ab41SPeter Ujfalusi };
590*5713ab41SPeter Ujfalusi
hdac_hda_dev_probe(struct hdac_device * hdev)5916bae5ea9SRakesh Ughreja static int hdac_hda_dev_probe(struct hdac_device *hdev)
5926bae5ea9SRakesh Ughreja {
593*5713ab41SPeter Ujfalusi struct hdac_hda_priv *hda_pvt = dev_get_drvdata(&hdev->dev);
5946bae5ea9SRakesh Ughreja struct hdac_ext_link *hlink;
5956bae5ea9SRakesh Ughreja int ret;
5966bae5ea9SRakesh Ughreja
5976bae5ea9SRakesh Ughreja /* hold the ref while we probe */
598b0cd60f3SPierre-Louis Bossart hlink = snd_hdac_ext_bus_get_hlink_by_name(hdev->bus, dev_name(&hdev->dev));
5996bae5ea9SRakesh Ughreja if (!hlink) {
6006bae5ea9SRakesh Ughreja dev_err(&hdev->dev, "hdac link not found\n");
6016bae5ea9SRakesh Ughreja return -EIO;
6026bae5ea9SRakesh Ughreja }
6036bae5ea9SRakesh Ughreja snd_hdac_ext_bus_link_get(hdev->bus, hlink);
6046bae5ea9SRakesh Ughreja
6056bae5ea9SRakesh Ughreja /* ASoC specific initialization */
606*5713ab41SPeter Ujfalusi if (hda_pvt->need_display_power)
607*5713ab41SPeter Ujfalusi ret = devm_snd_soc_register_component(&hdev->dev,
608*5713ab41SPeter Ujfalusi &hdac_hda_hdmi_codec, hdac_hda_hdmi_dais,
609*5713ab41SPeter Ujfalusi ARRAY_SIZE(hdac_hda_hdmi_dais));
610*5713ab41SPeter Ujfalusi else
61110ccaa39SKuninori Morimoto ret = devm_snd_soc_register_component(&hdev->dev,
6126bae5ea9SRakesh Ughreja &hdac_hda_codec, hdac_hda_dais,
6136bae5ea9SRakesh Ughreja ARRAY_SIZE(hdac_hda_dais));
614*5713ab41SPeter Ujfalusi
6156bae5ea9SRakesh Ughreja if (ret < 0) {
6166bae5ea9SRakesh Ughreja dev_err(&hdev->dev, "failed to register HDA codec %d\n", ret);
6176bae5ea9SRakesh Ughreja return ret;
6186bae5ea9SRakesh Ughreja }
6196bae5ea9SRakesh Ughreja
6206bae5ea9SRakesh Ughreja snd_hdac_ext_bus_link_put(hdev->bus, hlink);
6216bae5ea9SRakesh Ughreja
6226bae5ea9SRakesh Ughreja return ret;
6236bae5ea9SRakesh Ughreja }
6246bae5ea9SRakesh Ughreja
hdac_hda_dev_remove(struct hdac_device * hdev)6256bae5ea9SRakesh Ughreja static int hdac_hda_dev_remove(struct hdac_device *hdev)
6266bae5ea9SRakesh Ughreja {
627c3ec8ac8SKai Vehmanen /*
628c3ec8ac8SKai Vehmanen * Resources are freed in hdac_hda_codec_remove(). This
629c3ec8ac8SKai Vehmanen * function is kept to keep hda_codec_driver_remove() happy.
630c3ec8ac8SKai Vehmanen */
6316bae5ea9SRakesh Ughreja return 0;
6326bae5ea9SRakesh Ughreja }
6336bae5ea9SRakesh Ughreja
6346bae5ea9SRakesh Ughreja static struct hdac_ext_bus_ops hdac_ops = {
6356bae5ea9SRakesh Ughreja .hdev_attach = hdac_hda_dev_probe,
6366bae5ea9SRakesh Ughreja .hdev_detach = hdac_hda_dev_remove,
6376bae5ea9SRakesh Ughreja };
6386bae5ea9SRakesh Ughreja
snd_soc_hdac_hda_get_ops(void)6396bae5ea9SRakesh Ughreja struct hdac_ext_bus_ops *snd_soc_hdac_hda_get_ops(void)
6406bae5ea9SRakesh Ughreja {
6416bae5ea9SRakesh Ughreja return &hdac_ops;
6426bae5ea9SRakesh Ughreja }
6436bae5ea9SRakesh Ughreja EXPORT_SYMBOL_GPL(snd_soc_hdac_hda_get_ops);
6446bae5ea9SRakesh Ughreja
6456bae5ea9SRakesh Ughreja MODULE_LICENSE("GPL v2");
6466bae5ea9SRakesh Ughreja MODULE_DESCRIPTION("ASoC Extensions for legacy HDA Drivers");
6476bae5ea9SRakesh Ughreja MODULE_AUTHOR("Rakesh Ughreja<rakesh.a.ughreja@intel.com>");
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