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ASoC: amd: acp: Add I2S TDM support for acp6.3 platform

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Add slots selection and 32-channels TDM support for
acp6.3 platform.

Signed-off-by: Venkata Prasad Potturu <venkataprasad.potturu@amd.com>
Link: https://patch.msgid.link/20240903113427.182997-5-venkataprasad.potturu@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Venkata Prasad Potturu 2024-09-03 17:04:19 +05:30 committed by Mark Brown
parent 973e9edea9
commit 13aeb56e6d
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
1 changed files with 56 additions and 0 deletions
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56
sound/soc/amd/acp/acp-i2s.c
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@ -133,6 +133,19 @@ static int acp_i2s_set_tdm_slot(struct snd_soc_dai *dai, u32 tx_mask, u32 rx_mas
return -EINVAL; return -EINVAL;
} }
break; break;
case ACP63_DEV:
switch (slots) {
case 1 ... 31:
no_of_slots = slots;
break;
case 32:
no_of_slots = 0;
break;
default:
dev_err(dev, "Unsupported slots %d\n", slots);
return -EINVAL;
}
break;
default: default:
dev_err(dev, "Unknown chip revision %d\n", chip->acp_rev); dev_err(dev, "Unknown chip revision %d\n", chip->acp_rev);
return -EINVAL; return -EINVAL;
@ -152,6 +165,14 @@ static int acp_i2s_set_tdm_slot(struct snd_soc_dai *dai, u32 tx_mask, u32 rx_mas
adata->tdm_rx_fmt[stream->dai_id - 1] = adata->tdm_rx_fmt[stream->dai_id - 1] =
FRM_LEN | (slots << 15) | (slot_len << 18); FRM_LEN | (slots << 15) | (slot_len << 18);
break; break;
case ACP63_DEV:
if (tx_mask && stream->dir == SNDRV_PCM_STREAM_PLAYBACK)
adata->tdm_tx_fmt[stream->dai_id - 1] =
FRM_LEN | (slots << 13) | (slot_len << 18);
else if (rx_mask && stream->dir == SNDRV_PCM_STREAM_CAPTURE)
adata->tdm_rx_fmt[stream->dai_id - 1] =
FRM_LEN | (slots << 13) | (slot_len << 18);
break;
default: default:
dev_err(dev, "Unknown chip revision %d\n", chip->acp_rev); dev_err(dev, "Unknown chip revision %d\n", chip->acp_rev);
return -EINVAL; return -EINVAL;
@ -314,6 +335,41 @@ static int acp_i2s_hwparams(struct snd_pcm_substream *substream, struct snd_pcm_
default: default:
return -EINVAL; return -EINVAL;
} }
switch (params_rate(params)) {
case 8000:
case 16000:
case 24000:
case 48000:
case 96000:
case 192000:
switch (params_channels(params)) {
case 2:
break;
case 4:
bclk_div_val = bclk_div_val >> 1;
lrclk_div_val = lrclk_div_val << 1;
break;
case 8:
bclk_div_val = bclk_div_val >> 2;
lrclk_div_val = lrclk_div_val << 2;
break;
case 16:
bclk_div_val = bclk_div_val >> 3;
lrclk_div_val = lrclk_div_val << 3;
break;
case 32:
bclk_div_val = bclk_div_val >> 4;
lrclk_div_val = lrclk_div_val << 4;
break;
default:
dev_err(dev, "Unsupported channels %#x\n",
params_channels(params));
}
break;
default:
break;
}
adata->lrclk_div = lrclk_div_val; adata->lrclk_div = lrclk_div_val;
adata->bclk_div = bclk_div_val; adata->bclk_div = bclk_div_val;
} }