From: Yong Zhi yong.zhi@intel.com
We have specific constraints for FE device (48KHz, stereo, 16 bits) and fixups for BE DMIC links (2 or 4 ch), so add those.
Also add one more FE DAIlink for dmiccap
Signed-off-by: Vinod Koul vinod.koul@intel.com Signed-off-by: Fang, Yang A yang.a.fang@intel.com Signed-off-by: Jeeja KP jeeja.kp@intel.com Signed-off-by: Yong Zhi yong.zhi@intel.com --- sound/soc/intel/boards/skl_nau88l25_ssm4567.c | 136 +++++++++++++++++++++++++ 1 file changed, 136 insertions(+)
diff --git a/sound/soc/intel/boards/skl_nau88l25_ssm4567.c b/sound/soc/intel/boards/skl_nau88l25_ssm4567.c index 8aa821c..1b54613 100644 --- a/sound/soc/intel/boards/skl_nau88l25_ssm4567.c +++ b/sound/soc/intel/boards/skl_nau88l25_ssm4567.c @@ -192,6 +192,65 @@ static int skylake_nau8825_codec_init(struct snd_soc_pcm_runtime *rtd) return ret; }
+static int skylake_nau8825_fe_init(struct snd_soc_pcm_runtime *rtd) +{ + struct snd_soc_dapm_context *dapm; + struct snd_soc_component *component = rtd->cpu_dai->component; + + dapm = snd_soc_component_get_dapm(component); + snd_soc_dapm_ignore_suspend(dapm, "Reference Capture"); + + return 0; +} + +static unsigned int rates[] = { + 48000, +}; + +static struct snd_pcm_hw_constraint_list constraints_rates = { + .count = ARRAY_SIZE(rates), + .list = rates, + .mask = 0, +}; + +static unsigned int channels[] = { + 2, +}; + +static struct snd_pcm_hw_constraint_list constraints_channels = { + .count = ARRAY_SIZE(channels), + .list = channels, + .mask = 0, +}; + +static int skl_fe_startup(struct snd_pcm_substream *substream) +{ + struct snd_pcm_runtime *runtime = substream->runtime; + + /* + * on this platform for PCM device we support, + * 48Khz + * stereo + * 16 bit audio + */ + + runtime->hw.channels_max = 2; + snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, + &constraints_channels); + + runtime->hw.formats = SNDRV_PCM_FMTBIT_S16_LE; + snd_pcm_hw_constraint_msbits(runtime, 0, 16, 16); + + snd_pcm_hw_constraint_list(runtime, 0, + SNDRV_PCM_HW_PARAM_RATE, &constraints_rates); + + return 0; +} + +static const struct snd_soc_ops skylake_nau8825_fe_ops = { + .startup = skl_fe_startup, +}; + static int skylake_ssp_fixup(struct snd_soc_pcm_runtime *rtd, struct snd_pcm_hw_params *params) { @@ -211,6 +270,19 @@ static int skylake_ssp_fixup(struct snd_soc_pcm_runtime *rtd, return 0; }
+static int skylake_dmic_fixup(struct snd_soc_pcm_runtime *rtd, + struct snd_pcm_hw_params *params) +{ + struct snd_interval *channels = hw_param_interval(params, + SNDRV_PCM_HW_PARAM_CHANNELS); + if (params_channels(params) == 2) + channels->min = channels->max = 2; + else + channels->min = channels->max = 4; + + return 0; +} + static int skylake_nau8825_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params) { @@ -231,6 +303,52 @@ static struct snd_soc_ops skylake_nau8825_ops = { .hw_params = skylake_nau8825_hw_params, };
+static unsigned int channels_dmic[] = { + 2, 4, +}; + +static struct snd_pcm_hw_constraint_list constraints_dmic_channels = { + .count = ARRAY_SIZE(channels_dmic), + .list = channels_dmic, + .mask = 0, +}; + +static int skylake_dmic_startup(struct snd_pcm_substream *substream) +{ + struct snd_pcm_runtime *runtime = substream->runtime; + + runtime->hw.channels_max = 4; + snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, + &constraints_dmic_channels); + + return snd_pcm_hw_constraint_list(substream->runtime, 0, + SNDRV_PCM_HW_PARAM_RATE, &constraints_rates); +} + +static struct snd_soc_ops skylake_dmic_ops = { + .startup = skylake_dmic_startup, +}; + +static unsigned int rates_16000[] = { + 16000, +}; + +static struct snd_pcm_hw_constraint_list constraints_16000 = { + .count = ARRAY_SIZE(rates_16000), + .list = rates_16000, +}; + +static int skylake_refcap_startup(struct snd_pcm_substream *substream) +{ + return snd_pcm_hw_constraint_list(substream->runtime, 0, + SNDRV_PCM_HW_PARAM_RATE, + &constraints_16000); +} + +static struct snd_soc_ops skylaye_refcap_ops = { + .startup = skylake_refcap_startup, +}; + /* skylake digital audio interface glue - connects codec <--> CPU */ static struct snd_soc_dai_link skylake_dais[] = { /* Front End DAI links */ @@ -243,9 +361,11 @@ static struct snd_soc_dai_link skylake_dais[] = { .codec_name = "snd-soc-dummy", .codec_dai_name = "snd-soc-dummy-dai", .nonatomic = 1, + .init = skylake_nau8825_fe_init, .trigger = { SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, .dpcm_playback = 1, + .ops = &skylake_nau8825_fe_ops, }, { .name = "Skl Audio Capture Port", @@ -259,6 +379,7 @@ static struct snd_soc_dai_link skylake_dais[] = { .trigger = { SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, .dpcm_capture = 1, + .ops = &skylake_nau8825_fe_ops, }, { .name = "Skl Audio Reference cap", @@ -272,6 +393,20 @@ static struct snd_soc_dai_link skylake_dais[] = { .ignore_suspend = 1, .nonatomic = 1, .dynamic = 1, + .ops = &skylaye_refcap_ops, + }, + { + .name = "Skl Audio DMIC cap", + .stream_name = "dmiccap", + .cpu_dai_name = "DMIC Pin", + .codec_name = "snd-soc-dummy", + .codec_dai_name = "snd-soc-dummy-dai", + .platform_name = "0000:00:1f.3", + .init = NULL, + .dpcm_capture = 1, + .nonatomic = 1, + .dynamic = 1, + .ops = &skylake_dmic_ops, }, /* Back End DAI links */ { @@ -317,6 +452,7 @@ static struct snd_soc_dai_link skylake_dais[] = { .codec_dai_name = "dmic-hifi", .platform_name = "0000:00:1f.3", .ignore_suspend = 1, + .be_hw_params_fixup = skylake_dmic_fixup, .dpcm_capture = 1, .no_pcm = 1, },