Unverified Commit 13aeb56e authored by Venkata Prasad Potturu's avatar Venkata Prasad Potturu Committed by Mark Brown
Browse files

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



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

Signed-off-by: default avatarVenkata Prasad Potturu <venkataprasad.potturu@amd.com>
Link: https://patch.msgid.link/20240903113427.182997-5-venkataprasad.potturu@amd.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 973e9ede
Loading
Loading
Loading
Loading
+56 −0
Original line number Diff line number Diff line
@@ -133,6 +133,19 @@ static int acp_i2s_set_tdm_slot(struct snd_soc_dai *dai, u32 tx_mask, u32 rx_mas
			return -EINVAL;
		}
		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:
		dev_err(dev, "Unknown chip revision %d\n", chip->acp_rev);
		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] =
					FRM_LEN | (slots << 15) | (slot_len << 18);
			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:
			dev_err(dev, "Unknown chip revision %d\n", chip->acp_rev);
			return -EINVAL;
@@ -314,6 +335,41 @@ static int acp_i2s_hwparams(struct snd_pcm_substream *substream, struct snd_pcm_
		default:
			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->bclk_div = bclk_div_val;
	}