Add support for HDA codecs. add required widgets, controls, routes and dai links for the same.
Signed-off-by: Rakesh Ughreja rakesh.a.ughreja@intel.com --- sound/soc/intel/boards/Kconfig | 1 + sound/soc/intel/boards/skl_hda_generic.c | 112 ++++++++++++++++++++++++++++++- 2 files changed, 112 insertions(+), 1 deletion(-)
diff --git a/sound/soc/intel/boards/Kconfig b/sound/soc/intel/boards/Kconfig index 4f8bd02..e2a280d 100644 --- a/sound/soc/intel/boards/Kconfig +++ b/sound/soc/intel/boards/Kconfig @@ -267,6 +267,7 @@ config SND_SOC_INTEL_SKL_HDA_GENERIC_MACH select SND_SOC_INTEL_SST depends on SND_SOC_INTEL_SKYLAKE select SND_SOC_HDAC_HDMI + select SND_SOC_HDAC_HDA help This adds support for ASoC Onboard Codec HDA machine driver. This will create an alsa sound card for HDA Codecs. diff --git a/sound/soc/intel/boards/skl_hda_generic.c b/sound/soc/intel/boards/skl_hda_generic.c index ece39b5..0e592d4 100644 --- a/sound/soc/intel/boards/skl_hda_generic.c +++ b/sound/soc/intel/boards/skl_hda_generic.c @@ -38,13 +38,43 @@ struct skl_hda_private { };
enum { - SKL_HDA_DPCM_AUDIO_HDMI1_PB = 0, + SKL_HDA_DPCM_AUDIO_PB = 0, + SKL_HDA_DPCM_AUDIO_CP, + SKL_HDA_DPCM_AUDIO_HDMI1_PB, SKL_HDA_DPCM_AUDIO_HDMI2_PB, SKL_HDA_DPCM_AUDIO_HDMI3_PB, };
+static const struct snd_kcontrol_new skl_hda_controls[] = { + SOC_DAPM_PIN_SWITCH("Headphone"), + SOC_DAPM_PIN_SWITCH("Headset Mic"), +}; + +static const struct snd_soc_dapm_widget skl_hda_widgets[] = { + SND_SOC_DAPM_HP("Headphone", NULL), + SND_SOC_DAPM_MIC("Headset Mic", NULL), + SND_SOC_DAPM_SPK("Codec Speaker", NULL), + SND_SOC_DAPM_MIC("Codec Mic", NULL), +}; + static const struct snd_soc_dapm_route skl_hda_map[] = {
+ /* HP jack connectors - unknown if we have jack detection */ + { "Headphone", NULL, "Codec Output Pin1" }, + { "Codec Speaker", NULL, "Codec Output Pin2" }, + { "Codec Input Pin2", NULL, "Codec Mic" }, + { "Codec Input Pin1", NULL, "Headset Mic" }, + + /* CODEC BE connections */ + { "Analog Codec Playback", NULL, "Analog CPU Playback" }, + { "Analog CPU Playback", NULL, "codec0_out" }, + + { "Digital Codec Playback", NULL, "Digital CPU Playback" }, + { "Digital CPU Playback", NULL, "codec1_out" }, + + { "codec0_in", NULL, "Analog CPU Capture" }, + { "Analog CPU Capture", NULL, "Analog Codec Capture" }, + { "hifi3", NULL, "iDisp3 Tx"}, { "iDisp3 Tx", NULL, "iDisp3_out"}, { "hifi2", NULL, "iDisp2 Tx"}, @@ -108,9 +138,60 @@ static int skl_hda_hdmi3_init(struct snd_soc_pcm_runtime *rtd) return 0; }
+static int skl_hda_link_init(struct snd_soc_pcm_runtime *rtd) +{ + dev_dbg(rtd->dev, "%s entry\n", __func__); + return 0; +} + +static int skl_hda_link_fixup(struct snd_soc_pcm_runtime *rtd, + struct snd_pcm_hw_params *params) +{ + struct snd_interval *rate = hw_param_interval(params, + SNDRV_PCM_HW_PARAM_RATE); + struct snd_interval *channels = hw_param_interval(params, + SNDRV_PCM_HW_PARAM_CHANNELS); + struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT); + + /* The output is 48KHz, stereo, 16bits */ + rate->min = rate->max = 48000; + channels->min = channels->max = 2; + + snd_mask_none(fmt); + snd_mask_set(fmt, SNDRV_PCM_FORMAT_S24_LE); + return 0; +} + /* skl_hda_digital audio interface glue - connects codec <--> CPU */ static struct snd_soc_dai_link skl_hda_dais[] = { /* Front End DAI links */ + [SKL_HDA_DPCM_AUDIO_PB] = { + .name = "Skylake Audio Playback Port", + .stream_name = "Audio Playback", + .cpu_dai_name = "System Pin", + .platform_name = "0000:00:1f.3", + .dynamic = 1, + .codec_name = "snd-soc-dummy", + .codec_dai_name = "snd-soc-dummy-dai", + .nonatomic = 1, + .init = NULL, + .trigger = { + SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, + .dpcm_playback = 1, + }, + [SKL_HDA_DPCM_AUDIO_CP] = { + .name = "Skylake Audio Capture Port", + .stream_name = "Audio Record", + .cpu_dai_name = "System Pin", + .platform_name = "0000:00:1f.3", + .dynamic = 1, + .codec_name = "snd-soc-dummy", + .codec_dai_name = "snd-soc-dummy-dai", + .nonatomic = 1, + .trigger = { + SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, + .dpcm_capture = 1, + }, [SKL_HDA_DPCM_AUDIO_HDMI1_PB] = { .name = "SKL HDA HDMI Port1", .stream_name = "Hdmi1", @@ -188,6 +269,31 @@ static struct snd_soc_dai_link skl_hda_dais[] = { .dpcm_playback = 1, .no_pcm = 1, }, + { + .name = "Analog Playback and Capture", + .id = 4, + .cpu_dai_name = "Analog CPU DAI", + .codec_name = "ehdaudio0D0", + .codec_dai_name = "Analog Codec DAI", + .platform_name = "0000:00:1f.3", + .dpcm_playback = 1, + .dpcm_capture = 1, + .init = skl_hda_link_init, + .no_pcm = 1, + .be_hw_params_fixup = skl_hda_link_fixup, + }, + { + .name = "Digital Playback and Capture", + .id = 5, + .cpu_dai_name = "Digital CPU DAI", + .codec_name = "ehdaudio0D0", + .codec_dai_name = "Digital Codec DAI", + .platform_name = "0000:00:1f.3", + .dpcm_playback = 1, + .dpcm_capture = 1, + .init = skl_hda_link_init, + .no_pcm = 1, + }, };
#define NAME_SIZE 32 @@ -229,6 +335,10 @@ static struct snd_soc_card skl_hda_audio_card = { .owner = THIS_MODULE, .dai_link = skl_hda_dais, .num_links = ARRAY_SIZE(skl_hda_dais), + .controls = skl_hda_controls, + .num_controls = ARRAY_SIZE(skl_hda_controls), + .dapm_widgets = skl_hda_widgets, + .num_dapm_widgets = ARRAY_SIZE(skl_hda_widgets), .dapm_routes = skl_hda_map, .num_dapm_routes = ARRAY_SIZE(skl_hda_map), .fully_routed = true,