diff options
Diffstat (limited to 'sound/soc/intel/boards/bxt_rt298.c')
| -rw-r--r-- | sound/soc/intel/boards/bxt_rt298.c | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/sound/soc/intel/boards/bxt_rt298.c b/sound/soc/intel/boards/bxt_rt298.c index f4787515c0ed..253d7bfbf511 100644 --- a/sound/soc/intel/boards/bxt_rt298.c +++ b/sound/soc/intel/boards/bxt_rt298.c @@ -33,6 +33,7 @@ enum { BXT_DPCM_AUDIO_PB = 0, BXT_DPCM_AUDIO_CP, BXT_DPCM_AUDIO_REF_CP, + BXT_DPCM_AUDIO_DMIC_CP, BXT_DPCM_AUDIO_HDMI1_PB, BXT_DPCM_AUDIO_HDMI2_PB, BXT_DPCM_AUDIO_HDMI3_PB, @@ -88,6 +89,7 @@ static const struct snd_soc_dapm_route broxton_rt298_map[] = { /* CODEC BE connections */ { "AIF1 Playback", NULL, "ssp5 Tx"}, { "ssp5 Tx", NULL, "codec0_out"}, + { "ssp5 Tx", NULL, "codec1_out"}, { "codec0_in", NULL, "ssp5 Rx" }, { "ssp5 Rx", NULL, "AIF1 Capture" }, @@ -104,6 +106,17 @@ static const struct snd_soc_dapm_route broxton_rt298_map[] = { }; +static int broxton_rt298_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 int broxton_rt298_codec_init(struct snd_soc_pcm_runtime *rtd) { struct snd_soc_codec *codec = rtd->codec; @@ -118,6 +131,9 @@ static int broxton_rt298_codec_init(struct snd_soc_pcm_runtime *rtd) return ret; rt298_mic_detect(codec, &broxton_headset); + + snd_soc_dapm_ignore_suspend(&rtd->card->dapm, "SoC DMIC"); + return 0; } @@ -169,6 +185,89 @@ static struct snd_soc_ops broxton_rt298_ops = { .hw_params = broxton_rt298_hw_params, }; +static unsigned int rates[] = { + 48000, +}; + +static struct snd_pcm_hw_constraint_list constraints_rates = { + .count = ARRAY_SIZE(rates), + .list = rates, + .mask = 0, +}; + +static int broxton_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 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 broxton_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 broxton_dmic_ops = { + .startup = broxton_dmic_startup, +}; + +static unsigned int channels[] = { + 2, +}; + +static struct snd_pcm_hw_constraint_list constraints_channels = { + .count = ARRAY_SIZE(channels), + .list = channels, + .mask = 0, +}; + +static int bxt_fe_startup(struct snd_pcm_substream *substream) +{ + struct snd_pcm_runtime *runtime = substream->runtime; + + /* + * on this platform for PCM device we support: + * 48Khz + * stereo + */ + + runtime->hw.channels_max = 2; + snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, + &constraints_channels); + + snd_pcm_hw_constraint_list(runtime, 0, + SNDRV_PCM_HW_PARAM_RATE, &constraints_rates); + + return 0; +} + +static const struct snd_soc_ops broxton_rt286_fe_ops = { + .startup = bxt_fe_startup, +}; + /* broxton digital audio interface glue - connects codec <--> CPU */ static struct snd_soc_dai_link broxton_rt298_dais[] = { /* Front End DAI links */ @@ -182,8 +281,10 @@ static struct snd_soc_dai_link broxton_rt298_dais[] = { .dynamic = 1, .codec_name = "snd-soc-dummy", .codec_dai_name = "snd-soc-dummy-dai", + .init = broxton_rt298_fe_init, .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, .dpcm_playback = 1, + .ops = &broxton_rt286_fe_ops, }, [BXT_DPCM_AUDIO_CP] { @@ -197,6 +298,7 @@ static struct snd_soc_dai_link broxton_rt298_dais[] = { .codec_dai_name = "snd-soc-dummy-dai", .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, .dpcm_capture = 1, + .ops = &broxton_rt286_fe_ops, }, [BXT_DPCM_AUDIO_REF_CP] { @@ -211,6 +313,20 @@ static struct snd_soc_dai_link broxton_rt298_dais[] = { .nonatomic = 1, .dynamic = 1, }, + [BXT_DPCM_AUDIO_DMIC_CP] + { + .name = "Bxt 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 = "0000:00:0e.0", + .init = NULL, + .dpcm_capture = 1, + .nonatomic = 1, + .dynamic = 1, + .ops = &broxton_dmic_ops, + }, [BXT_DPCM_AUDIO_HDMI1_PB] { .name = "Bxt HDMI Port1", @@ -276,6 +392,7 @@ static struct snd_soc_dai_link broxton_rt298_dais[] = { .codec_name = "dmic-codec", .codec_dai_name = "dmic-hifi", .platform_name = "0000:00:0e.0", + .be_hw_params_fixup = broxton_dmic_fixup, .ignore_suspend = 1, .dpcm_capture = 1, .no_pcm = 1, @@ -341,6 +458,7 @@ static struct platform_driver broxton_audio = { .probe = broxton_audio_probe, .driver = { .name = "bxt_alc298s_i2s", + .pm = &snd_soc_pm_ops, }, }; module_platform_driver(broxton_audio) |