[PATCH 4/5] ASoC: amd: acp: Add tdm support in machine driver

From: Venkata Prasad Potturu
Date: Tue Dec 20 2022 - 02:24:55 EST

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Add tdm support for amd platforms.

Signed-off-by: Venkata Prasad Potturu <venkataprasad.potturu@xxxxxxx>
---
sound/soc/amd/acp/acp-legacy-mach.c | 5 ++
sound/soc/amd/acp/acp-mach-common.c | 130 +++++++++++++++++++++++++---
sound/soc/amd/acp/acp-mach.h | 3 +
sound/soc/amd/acp/acp-sof-mach.c | 6 ++
4 files changed, 133 insertions(+), 11 deletions(-)

diff --git a/sound/soc/amd/acp/acp-legacy-mach.c b/sound/soc/amd/acp/acp-legacy-mach.c
index 1f4878ff7d37..d508792dba4f 100644
--- a/sound/soc/amd/acp/acp-legacy-mach.c
+++ b/sound/soc/amd/acp/acp-legacy-mach.c
@@ -27,6 +27,7 @@ static struct acp_card_drvdata rt5682_rt1019_data = {
.hs_codec_id = RT5682,
.amp_codec_id = RT1019,
.dmic_codec_id = DMIC,
+ .tdm_mode = false,
};

static struct acp_card_drvdata rt5682s_max_data = {
@@ -36,6 +37,7 @@ static struct acp_card_drvdata rt5682s_max_data = {
.hs_codec_id = RT5682S,
.amp_codec_id = MAX98360A,
.dmic_codec_id = DMIC,
+ .tdm_mode = false,
};

static struct acp_card_drvdata rt5682s_rt1019_data = {
@@ -45,6 +47,7 @@ static struct acp_card_drvdata rt5682s_rt1019_data = {
.hs_codec_id = RT5682S,
.amp_codec_id = RT1019,
.dmic_codec_id = DMIC,
+ .tdm_mode = false,
};

static struct acp_card_drvdata max_nau8825_data = {
@@ -56,6 +59,7 @@ static struct acp_card_drvdata max_nau8825_data = {
.dmic_codec_id = DMIC,
.soc_mclk = true,
.platform = REMBRANDT,
+ .tdm_mode = false,
};

static struct acp_card_drvdata rt5682s_rt1019_rmb_data = {
@@ -67,6 +71,7 @@ static struct acp_card_drvdata rt5682s_rt1019_rmb_data = {
.dmic_codec_id = DMIC,
.soc_mclk = true,
.platform = REMBRANDT,
+ .tdm_mode = false,
};

static const struct snd_kcontrol_new acp_controls[] = {
diff --git a/sound/soc/amd/acp/acp-mach-common.c b/sound/soc/amd/acp/acp-mach-common.c
index 748cbefa8252..73a27f02b52b 100644
--- a/sound/soc/amd/acp/acp-mach-common.c
+++ b/sound/soc/amd/acp/acp-mach-common.c
@@ -183,10 +183,15 @@ static int acp_card_rt5682x_hw_params(struct snd_pcm_substream *substream,
int ret;
unsigned int fmt;

+ if (drvdata->tdm_mode)
+ fmt = SND_SOC_DAIFMT_DSP_A;
+ else
+ fmt = SND_SOC_DAIFMT_I2S;
+
if (drvdata->soc_mclk)
- fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBC_CFC;
+ fmt |= SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBC_CFC;
else
- fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBP_CFP;
+ fmt |= SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBP_CFP;

ret = snd_soc_dai_set_fmt(cpu_dai, fmt);
if (ret && ret != -ENOTSUPP) {
@@ -200,6 +205,23 @@ static int acp_card_rt5682x_hw_params(struct snd_pcm_substream *substream,
return ret;
}

+ if (drvdata->tdm_mode) {
+ /**
+ * As codec supports slot 0 and slot 1 for playback and capture.
+ */
+ ret = snd_soc_dai_set_tdm_slot(cpu_dai, 0x3, 0x3, 8, 16);
+ if (ret && ret != -ENOTSUPP) {
+ dev_err(rtd->dev, "set TDM slot err: %d\n", ret);
+ return ret;
+ }
+
+ ret = snd_soc_dai_set_tdm_slot(codec_dai, 0x3, 0x3, 8, 16);
+ if (ret < 0) {
+ dev_warn(rtd->dev, "set TDM slot err:%d\n", ret);
+ return ret;
+ }
+ }
+
return 0;
}

@@ -364,10 +386,15 @@ static int acp_card_rt1019_hw_params(struct snd_pcm_substream *substream,
if (drvdata->amp_codec_id != RT1019)
return -EINVAL;

+ if (drvdata->tdm_mode)
+ fmt = SND_SOC_DAIFMT_DSP_A;
+ else
+ fmt = SND_SOC_DAIFMT_I2S;
+
if (drvdata->soc_mclk)
- fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBC_CFC;
+ fmt |= SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBC_CFC;
else
- fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBP_CFP;
+ fmt |= SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBP_CFP;

ret = snd_soc_dai_set_fmt(cpu_dai, fmt);
if (ret && ret != -ENOTSUPP) {
@@ -375,12 +402,27 @@ static int acp_card_rt1019_hw_params(struct snd_pcm_substream *substream,
return ret;
}

+ if (drvdata->tdm_mode) {
+ /**
+ * As codec supports slot 2 and slot 3 for playback.
+ */
+ ret = snd_soc_dai_set_tdm_slot(cpu_dai, 0xC, 0, 8, 16);
+ if (ret && ret != -ENOTSUPP) {
+ dev_err(rtd->dev, "set TDM slot err: %d\n", ret);
+ return ret;
+ }
+ }
for_each_rtd_codec_dais(rtd, i, codec_dai) {
if (strcmp(codec_dai->name, "rt1019-aif"))
continue;

- ret = snd_soc_dai_set_pll(codec_dai, 0, RT1019_PLL_S_BCLK,
- ch * format * srate, 256 * srate);
+ if (drvdata->tdm_mode)
+ ret = snd_soc_dai_set_pll(codec_dai, 0, RT1019_PLL_S_BCLK,
+ TDM_CHANNELS * format * srate, 256 * srate);
+ else
+ ret = snd_soc_dai_set_pll(codec_dai, 0, RT1019_PLL_S_BCLK,
+ ch * format * srate, 256 * srate);
+
if (ret < 0)
return ret;

@@ -388,8 +430,34 @@ static int acp_card_rt1019_hw_params(struct snd_pcm_substream *substream,
256 * srate, SND_SOC_CLOCK_IN);
if (ret < 0)
return ret;
- }

+ if (drvdata->tdm_mode) {
+ ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_DSP_A
+ | SND_SOC_DAIFMT_NB_NF);
+ if (ret < 0) {
+ dev_err(rtd->card->dev, "Failed to set dai fmt: %d\n", ret);
+ return ret;
+ }
+
+ /**
+ * As codec supports slot 2 for left channel playback.
+ */
+ if (!strcmp(codec_dai->component->name, "i2c-10EC1019:00")) {
+ ret = snd_soc_dai_set_tdm_slot(codec_dai, 0x4, 0x4, 8, 16);
+ if (ret < 0)
+ break;
+ }
+
+ /**
+ * As codec supports slot 3 for right channel playback.
+ */
+ if (!strcmp(codec_dai->component->name, "i2c-10EC1019:01")) {
+ ret = snd_soc_dai_set_tdm_slot(codec_dai, 0x8, 0x8, 8, 16);
+ if (ret < 0)
+ break;
+ }
+ }
+ }
return 0;
}

@@ -448,19 +516,38 @@ static int acp_card_maxim_hw_params(struct snd_pcm_substream *substream,
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
+ struct snd_soc_card *card = rtd->card;
+ struct acp_card_drvdata *drvdata = card->drvdata;
unsigned int fmt;
int ret;

+
+ if (drvdata->tdm_mode)
+ fmt = SND_SOC_DAIFMT_DSP_A;
+ else
+ fmt = SND_SOC_DAIFMT_I2S;
+
if (drvdata->soc_mclk)
- fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBC_CFC;
+ fmt |= SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBC_CFC;
else
- fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBP_CFP;
+ fmt |= SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBP_CFP;

ret = snd_soc_dai_set_fmt(cpu_dai, fmt);
if (ret && ret != -ENOTSUPP) {
dev_err(rtd->dev, "Failed to set dai fmt: %d\n", ret);
return ret;
}
+
+ if (drvdata->tdm_mode) {
+ /**
+ * As codec supports slot 2 and slot 3 for playback.
+ */
+ ret = snd_soc_dai_set_tdm_slot(cpu_dai, 0xC, 0, 8, 16);
+ if (ret && ret != -ENOTSUPP) {
+ dev_err(rtd->dev, "set TDM slot err: %d\n", ret);
+ return ret;
+ }
+ }
return 0;
}

@@ -539,10 +626,15 @@ static int acp_nau8825_hw_params(struct snd_pcm_substream *substream,
return ret;
}

+ if (drvdata->tdm_mode)
+ fmt = SND_SOC_DAIFMT_DSP_A;
+ else
+ fmt = SND_SOC_DAIFMT_I2S;
+
if (drvdata->soc_mclk)
- fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBC_CFC;
+ fmt |= SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBC_CFC;
else
- fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBP_CFP;
+ fmt |= SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBP_CFP;

ret = snd_soc_dai_set_fmt(cpu_dai, fmt);
if (ret && ret != -ENOTSUPP) {
@@ -556,6 +648,22 @@ static int acp_nau8825_hw_params(struct snd_pcm_substream *substream,
return ret;
}

+ if (drvdata->tdm_mode) {
+ /**
+ * As codec supports slot 4 and slot 5 for playback and slot 6 for capture.
+ */
+ ret = snd_soc_dai_set_tdm_slot(cpu_dai, 0x30, 0xC0, 8, 16);
+ if (ret && ret != -ENOTSUPP) {
+ dev_err(rtd->dev, "set TDM slot err: %d\n", ret);
+ return ret;
+ }
+
+ ret = snd_soc_dai_set_tdm_slot(codec_dai, 0x40, 0x30, 8, 16);
+ if (ret < 0) {
+ dev_warn(rtd->dev, "set TDM slot err:%d\n", ret);
+ return ret;
+ }
+ }
return ret;
}

diff --git a/sound/soc/amd/acp/acp-mach.h b/sound/soc/amd/acp/acp-mach.h
index 20583ef902df..9f87439b3cfd 100644
--- a/sound/soc/amd/acp/acp-mach.h
+++ b/sound/soc/amd/acp/acp-mach.h
@@ -18,6 +18,8 @@
#include <linux/module.h>
#include <sound/soc.h>

+#define TDM_CHANNELS 8
+
enum be_id {
HEADSET_BE_ID = 0,
AMP_BE_ID,
@@ -58,6 +60,7 @@ struct acp_card_drvdata {
struct clk *wclk;
struct clk *bclk;
bool soc_mclk;
+ bool tdm_mode;
};

int acp_sofdsp_dai_links_create(struct snd_soc_card *card);
diff --git a/sound/soc/amd/acp/acp-sof-mach.c b/sound/soc/amd/acp/acp-sof-mach.c
index f19f064a7527..f3ba22a25962 100644
--- a/sound/soc/amd/acp/acp-sof-mach.c
+++ b/sound/soc/amd/acp/acp-sof-mach.c
@@ -27,6 +27,7 @@ static struct acp_card_drvdata sof_rt5682_rt1019_data = {
.hs_codec_id = RT5682,
.amp_codec_id = RT1019,
.dmic_codec_id = DMIC,
+ .tdm_mode = false,
};

static struct acp_card_drvdata sof_rt5682_max_data = {
@@ -36,6 +37,7 @@ static struct acp_card_drvdata sof_rt5682_max_data = {
.hs_codec_id = RT5682,
.amp_codec_id = MAX98360A,
.dmic_codec_id = DMIC,
+ .tdm_mode = false,
};

static struct acp_card_drvdata sof_rt5682s_rt1019_data = {
@@ -45,6 +47,7 @@ static struct acp_card_drvdata sof_rt5682s_rt1019_data = {
.hs_codec_id = RT5682S,
.amp_codec_id = RT1019,
.dmic_codec_id = DMIC,
+ .tdm_mode = false,
};

static struct acp_card_drvdata sof_rt5682s_max_data = {
@@ -54,6 +57,7 @@ static struct acp_card_drvdata sof_rt5682s_max_data = {
.hs_codec_id = RT5682S,
.amp_codec_id = MAX98360A,
.dmic_codec_id = DMIC,
+ .tdm_mode = false,
};

static struct acp_card_drvdata sof_nau8825_data = {
@@ -64,6 +68,7 @@ static struct acp_card_drvdata sof_nau8825_data = {
.amp_codec_id = MAX98360A,
.dmic_codec_id = DMIC,
.soc_mclk = true,
+ .tdm_mode = false,
};

static struct acp_card_drvdata sof_rt5682s_hs_rt1019_data = {
@@ -74,6 +79,7 @@ static struct acp_card_drvdata sof_rt5682s_hs_rt1019_data = {
.amp_codec_id = RT1019,
.dmic_codec_id = DMIC,
.soc_mclk = true,
+ .tdm_mode = false,
};

static const struct snd_kcontrol_new acp_controls[] = {
--
2.25.1

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