asoc: Add Hostless DAI for WSA CDC DMA Rx interface

Enable hostless DAI for WSA CDC DMA Rx interface for hands free
profile use case.

Change-Id: I3c4246414dc477cdad382b46a6dbe6770dc5b89e
Signed-off-by: Mangesh Kunchamwar <[email protected]>

asoc/msm-dai-fe.c

@@ -533,6 +533,48 @@ static struct snd_soc_dai_driver msm_fe_dais[] = {
 		.name = "SLIMBUS8_HOSTLESS",
 		.probe = fe_dai_probe,
 	},
+	{
+		.playback = {
+			.stream_name = "CDC_DMA_HOSTLESS Playback",
+			.aif_name = "CDC_DMA_DL_HL",
+			.rates = SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |
+				SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 |
+				SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |
+				SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 |
+				SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_176400 |
+				SNDRV_PCM_RATE_192000 | SNDRV_PCM_RATE_352800 |
+				SNDRV_PCM_RATE_384000,
+			.formats = SNDRV_PCM_FMTBIT_S16_LE |
+				   SNDRV_PCM_FMTBIT_S24_LE |
+				   SNDRV_PCM_FMTBIT_S24_3LE |
+				   SNDRV_PCM_FMTBIT_S32_LE,
+			.channels_min = 1,
+			.channels_max = 2,
+			.rate_min = 8000,
+			.rate_max = 384000,
+		},
+		.capture = {
+			.stream_name = "CDC_DMA_HOSTLESS Capture",
+			.aif_name = "CDC_DMA_UL_HL",
+			.rates = SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |
+				SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 |
+				SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |
+				SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 |
+				SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_176400 |
+				SNDRV_PCM_RATE_192000 | SNDRV_PCM_RATE_352800 |
+				SNDRV_PCM_RATE_384000,
+			.formats = SNDRV_PCM_FMTBIT_S16_LE |
+				   SNDRV_PCM_FMTBIT_S24_LE |
+				   SNDRV_PCM_FMTBIT_S24_3LE,
+			.channels_min = 1,
+			.channels_max = 8,
+			.rate_min = 8000,
+			.rate_max = 384000,
+		},
+		.ops = &msm_fe_dai_ops,
+		.name = "CDC_DMA_HOSTLESS",
+		.probe = fe_dai_probe,
+	},
 	{
 		.playback = {
 			.stream_name = "INT_FM_HOSTLESS Playback",

asoc/msm-pcm-routing-v2.c

@@ -14485,6 +14485,11 @@ static const struct snd_kcontrol_new slim4_fm_switch_mixer_controls =
 	0, 1, 0, msm_routing_get_switch_mixer,
 	msm_routing_put_switch_mixer);
 
+static const struct snd_kcontrol_new cdc_dma_fm_switch_mixer_controls =
+	SOC_SINGLE_EXT("Switch", SND_SOC_NOPM,
+	0, 1, 0, msm_routing_get_switch_mixer,
+	msm_routing_put_switch_mixer);
+
 static const struct snd_kcontrol_new slim6_fm_switch_mixer_controls =
 	SOC_SINGLE_EXT("Switch", SND_SOC_NOPM,
 	0, 1, 0, msm_routing_get_switch_mixer,
@@ -15755,6 +15760,10 @@ static const struct snd_soc_dapm_widget msm_qdsp6_widgets[] = {
 		0, 0, 0, 0),
 	SND_SOC_DAPM_AIF_OUT("SLIM0_UL_HL", "SLIMBUS0_HOSTLESS Capture",
 		0, 0, 0, 0),
+	SND_SOC_DAPM_AIF_IN("CDC_DMA_DL_HL", "CDC_DMA_HOSTLESS Playback",
+		0, 0, 0, 0),
+	SND_SOC_DAPM_AIF_OUT("CDC_DMA_UL_HL", "CDC_DMA_HOSTLESS Capture",
+		0, 0, 0, 0),
 	SND_SOC_DAPM_AIF_OUT("CPE_LSM_UL_HL", "CPE LSM capture",
 		0, 0, 0, 0),
 	SND_SOC_DAPM_AIF_IN("SLIM1_DL_HL", "SLIMBUS1_HOSTLESS Playback",
@@ -16464,6 +16473,8 @@ static const struct snd_soc_dapm_widget msm_qdsp6_widgets[] = {
 				&usb_switch_mixer_controls),
 	SND_SOC_DAPM_SWITCH("A2DP_SLIM7_UL_HL", SND_SOC_NOPM, 0, 0,
 				&a2dp_slim7_switch_mixer_controls),
+	SND_SOC_DAPM_SWITCH("WSA_CDC_DMA_RX_0_DL_HL", SND_SOC_NOPM, 0, 0,
+				&cdc_dma_fm_switch_mixer_controls),
 
 	/* Mixer definitions */
 	SND_SOC_DAPM_MIXER("PRI_RX Audio Mixer", SND_SOC_NOPM, 0, 0,
@@ -18845,7 +18856,9 @@ static const struct snd_soc_dapm_route intercon[] = {
 	{"SLIM3_UL_HL", NULL, "SLIMBUS_3_TX"},
 	{"SLIM4_UL_HL", NULL, "SLIMBUS_4_TX"},
 	{"SLIM8_UL_HL", NULL, "SLIMBUS_8_TX"},
-
+	{"WSA_CDC_DMA_RX_0_DL_HL", "Switch", "CDC_DMA_DL_HL"},
+	{"WSA_CDC_DMA_RX_0", NULL, "WSA_CDC_DMA_RX_0_DL_HL"},
+	{"CDC_DMA_UL_HL", NULL, "VA_CDC_DMA_TX_0"},
 	{"LSM1 Mixer", "SLIMBUS_0_TX", "SLIMBUS_0_TX"},
 	{"LSM1 Mixer", "SLIMBUS_1_TX", "SLIMBUS_1_TX"},
 	{"LSM1 Mixer", "SLIMBUS_3_TX", "SLIMBUS_3_TX"},

asoc/qcs405.c

@@ -5245,6 +5245,24 @@ static struct snd_soc_dai_link msm_common_dai_links[] = {
 		.codec_dai_name = "snd-soc-dummy-dai",
 		.codec_name = "snd-soc-dummy",
 	},
+	/* Hostless PCM purpose */
+	{
+		.name = "CDC_DMA Hostless",
+		.stream_name = "CDC_DMA Hostless",
+		.cpu_dai_name = "CDC_DMA_HOSTLESS",
+		.platform_name = "msm-pcm-hostless",
+		.dynamic = 1,
+		.dpcm_playback = 1,
+		.dpcm_capture = 1,
+		.trigger = {SND_SOC_DPCM_TRIGGER_POST,
+			    SND_SOC_DPCM_TRIGGER_POST},
+		.no_host_mode = SND_SOC_DAI_LINK_NO_HOST,
+		.ignore_suspend = 1,
+		 /* this dailink has playback support */
+		.ignore_pmdown_time = 1,
+		.codec_dai_name = "snd-soc-dummy-dai",
+		.codec_name = "snd-soc-dummy",
+	},
 	{
 		.name = "MSM AFE-PCM RX",
 		.stream_name = "AFE-PROXY RX",