ASoC: q6dsp: q6afe-dai: add support to Codec DMA ports

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20200910101732.23484-9-srinivas.kandagatla@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>

1 files changed, 229 insertions, 0 deletions

diff --git a/sound/soc/qcom/qdsp6/q6afe-dai.c b/sound/soc/qcom/qdsp6/q6afe-dai.c
index 0168af849272..d58b86a98114 100644
--- a/sound/soc/qcom/qdsp6/q6afe-dai.c
+++ b/sound/soc/qcom/qdsp6/q6afe-dai.c
@@ -55,6 +55,48 @@
 		.remove = msm_dai_q6_dai_remove,			\
 	}
 
+#define Q6AFE_CDC_DMA_RX_DAI(did) {				\
+		.playback = {						\
+			.stream_name = #did" Playback",	\
+			.rates = SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000 |\
+				SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_48000 |\
+				SNDRV_PCM_RATE_176400,			\
+			.formats = SNDRV_PCM_FMTBIT_S16_LE |		\
+				   SNDRV_PCM_FMTBIT_S24_LE |		\
+				   SNDRV_PCM_FMTBIT_S32_LE,		\
+			.channels_min = 1,				\
+			.channels_max = 8,				\
+			.rate_min = 8000,				\
+			.rate_max = 176400,				\
+		},							\
+		.name = #did,						\
+		.ops = &q6dma_ops,					\
+		.id = did,						\
+		.probe = msm_dai_q6_dai_probe,				\
+		.remove = msm_dai_q6_dai_remove,			\
+	}
+
+#define Q6AFE_CDC_DMA_TX_DAI(did) {				\
+		.capture = {						\
+			.stream_name = #did" Capture",		\
+			.rates = SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000 |\
+				SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_48000 |\
+				SNDRV_PCM_RATE_176400,			\
+			.formats = SNDRV_PCM_FMTBIT_S16_LE |		\
+				   SNDRV_PCM_FMTBIT_S24_LE |		\
+				   SNDRV_PCM_FMTBIT_S32_LE,		\
+			.channels_min = 1,				\
+			.channels_max = 8,				\
+			.rate_min = 8000,				\
+			.rate_max = 176400,				\
+		},							\
+		.name = #did,						\
+		.ops = &q6dma_ops,					\
+		.id = did,						\
+		.probe = msm_dai_q6_dai_probe,				\
+		.remove = msm_dai_q6_dai_remove,			\
+	}
+
 struct q6afe_dai_priv_data {
 	uint32_t sd_line_mask;
 	uint32_t sync_mode;
@@ -307,6 +349,90 @@ static int q6tdm_hw_params(struct snd_pcm_substream *substream,
 
 	return 0;
 }
+
+static int q6dma_set_channel_map(struct snd_soc_dai *dai,
+				 unsigned int tx_num, unsigned int *tx_ch_mask,
+				 unsigned int rx_num, unsigned int *rx_ch_mask)
+{
+
+	struct q6afe_dai_data *dai_data = dev_get_drvdata(dai->dev);
+	struct q6afe_cdc_dma_cfg *cfg = &dai_data->port_config[dai->id].dma_cfg;
+	int ch_mask;
+	int rc = 0;
+
+	switch (dai->id) {
+	case WSA_CODEC_DMA_TX_0:
+	case WSA_CODEC_DMA_TX_1:
+	case WSA_CODEC_DMA_TX_2:
+	case VA_CODEC_DMA_TX_0:
+	case VA_CODEC_DMA_TX_1:
+	case VA_CODEC_DMA_TX_2:
+	case TX_CODEC_DMA_TX_0:
+	case TX_CODEC_DMA_TX_1:
+	case TX_CODEC_DMA_TX_2:
+	case TX_CODEC_DMA_TX_3:
+	case TX_CODEC_DMA_TX_4:
+	case TX_CODEC_DMA_TX_5:
+		if (!tx_ch_mask) {
+			dev_err(dai->dev, "tx slot not found\n");
+			return -EINVAL;
+		}
+
+		if (tx_num > AFE_PORT_MAX_AUDIO_CHAN_CNT) {
+			dev_err(dai->dev, "invalid tx num %d\n",
+				tx_num);
+			return -EINVAL;
+		}
+		ch_mask = *tx_ch_mask;
+
+		break;
+	case WSA_CODEC_DMA_RX_0:
+	case WSA_CODEC_DMA_RX_1:
+	case RX_CODEC_DMA_RX_0:
+	case RX_CODEC_DMA_RX_1:
+	case RX_CODEC_DMA_RX_2:
+	case RX_CODEC_DMA_RX_3:
+	case RX_CODEC_DMA_RX_4:
+	case RX_CODEC_DMA_RX_5:
+	case RX_CODEC_DMA_RX_6:
+	case RX_CODEC_DMA_RX_7:
+		/* rx */
+		if (!rx_ch_mask) {
+			dev_err(dai->dev, "rx slot not found\n");
+			return -EINVAL;
+		}
+		if (rx_num > AFE_PORT_MAX_AUDIO_CHAN_CNT) {
+			dev_err(dai->dev, "invalid rx num %d\n",
+				rx_num);
+			return -EINVAL;
+		}
+		ch_mask = *rx_ch_mask;
+
+		break;
+	default:
+		dev_err(dai->dev, "%s: invalid dai id 0x%x\n",
+			__func__, dai->id);
+		return -EINVAL;
+	}
+
+	cfg->active_channels_mask = ch_mask;
+
+	return rc;
+}
+
+static int q6dma_hw_params(struct snd_pcm_substream *substream,
+			   struct snd_pcm_hw_params *params,
+			   struct snd_soc_dai *dai)
+{
+	struct q6afe_dai_data *dai_data = dev_get_drvdata(dai->dev);
+	struct q6afe_cdc_dma_cfg *cfg = &dai_data->port_config[dai->id].dma_cfg;
+
+	cfg->bit_width = params_width(params);
+	cfg->sample_rate = params_rate(params);
+	cfg->num_channels = params_channels(params);
+
+	return 0;
+}
 static void q6afe_dai_shutdown(struct snd_pcm_substream *substream,
 				struct snd_soc_dai *dai)
 {
@@ -362,6 +488,10 @@ static int q6afe_dai_prepare(struct snd_pcm_substream *substream,
 		q6afe_tdm_port_prepare(dai_data->port[dai->id],
 					&dai_data->port_config[dai->id].tdm);
 		break;
+	case WSA_CODEC_DMA_RX_0 ... RX_CODEC_DMA_RX_7:
+		q6afe_cdc_dma_port_prepare(dai_data->port[dai->id],
+					   &dai_data->port_config[dai->id].dma_cfg);
+		break;
 	default:
 		return -EINVAL;
 	}
@@ -430,6 +560,7 @@ static int q6afe_mi2s_set_sysclk(struct snd_soc_dai *dai,
 					     freq, dir);
 	case Q6AFE_LPASS_CLK_ID_PRI_MI2S_IBIT ... Q6AFE_LPASS_CLK_ID_QUI_MI2S_OSR:
 	case Q6AFE_LPASS_CLK_ID_MCLK_1 ... Q6AFE_LPASS_CLK_ID_INT_MCLK_1:
+	case Q6AFE_LPASS_CLK_ID_WSA_CORE_MCLK ... Q6AFE_LPASS_CLK_ID_VA_CORE_2X_MCLK:
 		return q6afe_port_set_sysclk(port, clk_id,
 					     Q6AFE_LPASS_CLK_ATTRIBUTE_COUPLE_NO,
 					     Q6AFE_LPASS_CLK_ROOT_DEFAULT,
@@ -562,6 +693,29 @@ static const struct snd_soc_dapm_route q6afe_dapm_routes[] = {
 	{"PRI_MI2S_TX", NULL, "Primary MI2S Capture"},
 	{"SEC_MI2S_TX", NULL, "Secondary MI2S Capture"},
 	{"QUAT_MI2S_TX", NULL, "Quaternary MI2S Capture"},
+
+	{"WSA_CODEC_DMA_RX_0 Playback", NULL, "WSA_CODEC_DMA_RX_0"},
+	{"WSA_CODEC_DMA_TX_0", NULL, "WSA_CODEC_DMA_TX_0 Capture"},
+	{"WSA_CODEC_DMA_RX_1 Playback", NULL, "WSA_CODEC_DMA_RX_1"},
+	{"WSA_CODEC_DMA_TX_1", NULL, "WSA_CODEC_DMA_TX_1 Capture"},
+	{"WSA_CODEC_DMA_TX_2", NULL, "WSA_CODEC_DMA_TX_2 Capture"},
+	{"VA_CODEC_DMA_TX_0", NULL, "VA_CODEC_DMA_TX_0 Capture"},
+	{"VA_CODEC_DMA_TX_1", NULL, "VA_CODEC_DMA_TX_1 Capture"},
+	{"VA_CODEC_DMA_TX_2", NULL, "VA_CODEC_DMA_TX_2 Capture"},
+	{"RX_CODEC_DMA_RX_0 Playback", NULL, "RX_CODEC_DMA_RX_0"},
+	{"TX_CODEC_DMA_TX_0", NULL, "TX_CODEC_DMA_TX_0 Capture"},
+	{"RX_CODEC_DMA_RX_1 Playback", NULL, "RX_CODEC_DMA_RX_1"},
+	{"TX_CODEC_DMA_TX_1", NULL, "TX_CODEC_DMA_TX_1 Capture"},
+	{"RX_CODEC_DMA_RX_2 Playback", NULL, "RX_CODEC_DMA_RX_2"},
+	{"TX_CODEC_DMA_TX_2", NULL, "TX_CODEC_DMA_TX_2 Capture"},
+	{"RX_CODEC_DMA_RX_3 Playback", NULL, "RX_CODEC_DMA_RX_3"},
+	{"TX_CODEC_DMA_TX_3", NULL, "TX_CODEC_DMA_TX_3 Capture"},
+	{"RX_CODEC_DMA_RX_4 Playback", NULL, "RX_CODEC_DMA_RX_4"},
+	{"TX_CODEC_DMA_TX_4", NULL, "TX_CODEC_DMA_TX_4 Capture"},
+	{"RX_CODEC_DMA_RX_5 Playback", NULL, "RX_CODEC_DMA_RX_5"},
+	{"TX_CODEC_DMA_TX_5", NULL, "TX_CODEC_DMA_TX_5 Capture"},
+	{"RX_CODEC_DMA_RX_6 Playback", NULL, "RX_CODEC_DMA_RX_6"},
+	{"RX_CODEC_DMA_RX_7 Playback", NULL, "RX_CODEC_DMA_RX_7"},
 };
 
 static const struct snd_soc_dai_ops q6hdmi_ops = {
@@ -594,6 +748,14 @@ static const struct snd_soc_dai_ops q6tdm_ops = {
 	.hw_params        = q6tdm_hw_params,
 };
 
+static const struct snd_soc_dai_ops q6dma_ops = {
+	.prepare	= q6afe_dai_prepare,
+	.shutdown	= q6afe_dai_shutdown,
+	.set_sysclk	= q6afe_mi2s_set_sysclk,
+	.set_channel_map  = q6dma_set_channel_map,
+	.hw_params        = q6dma_hw_params,
+};
+
 static int msm_dai_q6_dai_probe(struct snd_soc_dai *dai)
 {
 	struct q6afe_dai_data *dai_data = dev_get_drvdata(dai->dev);
@@ -1128,6 +1290,28 @@ static struct snd_soc_dai_driver q6afe_dais[] = {
 		.probe = msm_dai_q6_dai_probe,
 		.remove = msm_dai_q6_dai_remove,
 	},
+	Q6AFE_CDC_DMA_RX_DAI(WSA_CODEC_DMA_RX_0),
+	Q6AFE_CDC_DMA_TX_DAI(WSA_CODEC_DMA_TX_0),
+	Q6AFE_CDC_DMA_RX_DAI(WSA_CODEC_DMA_RX_1),
+	Q6AFE_CDC_DMA_TX_DAI(WSA_CODEC_DMA_TX_1),
+	Q6AFE_CDC_DMA_TX_DAI(WSA_CODEC_DMA_TX_2),
+	Q6AFE_CDC_DMA_TX_DAI(VA_CODEC_DMA_TX_0),
+	Q6AFE_CDC_DMA_TX_DAI(VA_CODEC_DMA_TX_1),
+	Q6AFE_CDC_DMA_TX_DAI(VA_CODEC_DMA_TX_2),
+	Q6AFE_CDC_DMA_RX_DAI(RX_CODEC_DMA_RX_0),
+	Q6AFE_CDC_DMA_TX_DAI(TX_CODEC_DMA_TX_0),
+	Q6AFE_CDC_DMA_RX_DAI(RX_CODEC_DMA_RX_1),
+	Q6AFE_CDC_DMA_TX_DAI(TX_CODEC_DMA_TX_1),
+	Q6AFE_CDC_DMA_RX_DAI(RX_CODEC_DMA_RX_2),
+	Q6AFE_CDC_DMA_TX_DAI(TX_CODEC_DMA_TX_2),
+	Q6AFE_CDC_DMA_RX_DAI(RX_CODEC_DMA_RX_3),
+	Q6AFE_CDC_DMA_TX_DAI(TX_CODEC_DMA_TX_3),
+	Q6AFE_CDC_DMA_RX_DAI(RX_CODEC_DMA_RX_4),
+	Q6AFE_CDC_DMA_TX_DAI(TX_CODEC_DMA_TX_4),
+	Q6AFE_CDC_DMA_RX_DAI(RX_CODEC_DMA_RX_5),
+	Q6AFE_CDC_DMA_TX_DAI(TX_CODEC_DMA_TX_5),
+	Q6AFE_CDC_DMA_RX_DAI(RX_CODEC_DMA_RX_6),
+	Q6AFE_CDC_DMA_RX_DAI(RX_CODEC_DMA_RX_7),
 };
 
 static int q6afe_of_xlate_dai_name(struct snd_soc_component *component,
@@ -1350,6 +1534,51 @@ static const struct snd_soc_dapm_widget q6afe_dai_widgets[] = {
 	SND_SOC_DAPM_AIF_OUT("QUIN_TDM_TX_7", NULL,
 						0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_AIF_OUT("DISPLAY_PORT_RX", "NULL", 0, SND_SOC_NOPM, 0, 0),
+
+	SND_SOC_DAPM_AIF_IN("WSA_CODEC_DMA_RX_0", "NULL",
+		0, SND_SOC_NOPM, 0, 0),
+	SND_SOC_DAPM_AIF_OUT("WSA_CODEC_DMA_TX_0", "NULL",
+		 0, SND_SOC_NOPM, 0, 0),
+	SND_SOC_DAPM_AIF_IN("WSA_CODEC_DMA_RX_1", "NULL",
+		0, SND_SOC_NOPM, 0, 0),
+	SND_SOC_DAPM_AIF_OUT("WSA_CODEC_DMA_TX_1", "NULL",
+		 0, SND_SOC_NOPM, 0, 0),
+	SND_SOC_DAPM_AIF_OUT("WSA_CODEC_DMA_TX_2", "NULL",
+		 0, SND_SOC_NOPM, 0, 0),
+	SND_SOC_DAPM_AIF_OUT("VA_CODEC_DMA_TX_0", "NULL",
+		 0, SND_SOC_NOPM, 0, 0),
+	SND_SOC_DAPM_AIF_OUT("VA_CODEC_DMA_TX_1", "NULL",
+		 0, SND_SOC_NOPM, 0, 0),
+	SND_SOC_DAPM_AIF_OUT("VA_CODEC_DMA_TX_2", "NULL",
+		 0, SND_SOC_NOPM, 0, 0),
+	SND_SOC_DAPM_AIF_IN("RX_CODEC_DMA_RX_0", "NULL",
+		0, SND_SOC_NOPM, 0, 0),
+	SND_SOC_DAPM_AIF_OUT("TX_CODEC_DMA_TX_0", "NULL",
+		 0, SND_SOC_NOPM, 0, 0),
+	SND_SOC_DAPM_AIF_IN("RX_CODEC_DMA_RX_1", "NULL",
+		0, SND_SOC_NOPM, 0, 0),
+	SND_SOC_DAPM_AIF_OUT("TX_CODEC_DMA_TX_1", "NULL",
+		 0, SND_SOC_NOPM, 0, 0),
+	SND_SOC_DAPM_AIF_IN("RX_CODEC_DMA_RX_2", "NULL",
+		0, SND_SOC_NOPM, 0, 0),
+	SND_SOC_DAPM_AIF_OUT("TX_CODEC_DMA_TX_2", "NULL",
+		 0, SND_SOC_NOPM, 0, 0),
+	SND_SOC_DAPM_AIF_IN("RX_CODEC_DMA_RX_3", "NULL",
+		0, SND_SOC_NOPM, 0, 0),
+	SND_SOC_DAPM_AIF_OUT("TX_CODEC_DMA_TX_3", "NULL",
+		 0, SND_SOC_NOPM, 0, 0),
+	SND_SOC_DAPM_AIF_IN("RX_CODEC_DMA_RX_4", "NULL",
+		0, SND_SOC_NOPM, 0, 0),
+	SND_SOC_DAPM_AIF_OUT("TX_CODEC_DMA_TX_4", "NULL",
+		 0, SND_SOC_NOPM, 0, 0),
+	SND_SOC_DAPM_AIF_IN("RX_CODEC_DMA_RX_5", "NULL",
+		0, SND_SOC_NOPM, 0, 0),
+	SND_SOC_DAPM_AIF_OUT("TX_CODEC_DMA_TX_5", "NULL",
+		 0, SND_SOC_NOPM, 0, 0),
+	SND_SOC_DAPM_AIF_IN("RX_CODEC_DMA_RX_6", "NULL",
+		0, SND_SOC_NOPM, 0, 0),
+	SND_SOC_DAPM_AIF_IN("RX_CODEC_DMA_RX_7", "NULL",
+		0, SND_SOC_NOPM, 0, 0),
 };
 
 static const struct snd_soc_component_driver q6afe_dai_component = {