ASoC: amd: acp: Add legacy audio driver support for Rembrandt platform

Add i2s and dmic support for Rembrandt platform,
Add machine support for nau8825, max98360 and rt5682s,rt1019 codec
in legacy driver for rembrandt platform.
Here codec is in a slave mode.

Signed-off-by: V sujith kumar Reddy <Vsujithkumar.Reddy@amd.com>
Link: https://lore.kernel.org/r/20220707161142.491034-4-Vsujithkumar.Reddy@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>

1 files changed, 136 insertions, 1 deletions

diff --git a/sound/soc/amd/acp/acp-i2s.c b/sound/soc/amd/acp/acp-i2s.c
index a736c00db86e..393f729ef561 100644
--- a/sound/soc/amd/acp/acp-i2s.c
+++ b/sound/soc/amd/acp/acp-i2s.c
@@ -30,11 +30,14 @@ static int acp_i2s_hwparams(struct snd_pcm_substream *substream, struct snd_pcm_
 {
 	struct device *dev = dai->component->dev;
 	struct acp_dev_data *adata;
+	struct acp_resource *rsrc;
 	u32 val;
 	u32 xfer_resolution;
 	u32 reg_val;
+	u32 lrclk_div_val, bclk_div_val;
 
 	adata = snd_soc_dai_get_drvdata(dai);
+	rsrc = adata->rsrc;
 
 	/* These values are as per Hardware Spec */
 	switch (params_format(params)) {
@@ -63,6 +66,9 @@ static int acp_i2s_hwparams(struct snd_pcm_substream *substream, struct snd_pcm_
 		case I2S_SP_INSTANCE:
 			reg_val = ACP_I2STDM_ITER;
 			break;
+		case I2S_HS_INSTANCE:
+			reg_val = ACP_HSTDM_ITER;
+			break;
 		default:
 			dev_err(dev, "Invalid dai id %x\n", dai->driver->id);
 			return -EINVAL;
@@ -75,6 +81,9 @@ static int acp_i2s_hwparams(struct snd_pcm_substream *substream, struct snd_pcm_
 		case I2S_SP_INSTANCE:
 			reg_val = ACP_I2STDM_IRER;
 			break;
+		case I2S_HS_INSTANCE:
+			reg_val = ACP_HSTDM_IRER;
+			break;
 		default:
 			dev_err(dev, "Invalid dai id %x\n", dai->driver->id);
 			return -EINVAL;
@@ -86,6 +95,74 @@ static int acp_i2s_hwparams(struct snd_pcm_substream *substream, struct snd_pcm_
 	val = val | (xfer_resolution  << 3);
 	writel(val, adata->acp_base + reg_val);
 
+	if (rsrc->soc_mclk) {
+		switch (params_format(params)) {
+		case SNDRV_PCM_FORMAT_S16_LE:
+			switch (params_rate(params)) {
+			case 8000:
+				bclk_div_val = 768;
+				break;
+			case 16000:
+				bclk_div_val = 384;
+				break;
+			case 24000:
+				bclk_div_val = 256;
+				break;
+			case 32000:
+				bclk_div_val = 192;
+				break;
+			case 44100:
+			case 48000:
+				bclk_div_val = 128;
+				break;
+			case 88200:
+			case 96000:
+				bclk_div_val = 64;
+				break;
+			case 192000:
+				bclk_div_val = 32;
+				break;
+			default:
+				return -EINVAL;
+			}
+			lrclk_div_val = 32;
+			break;
+		case SNDRV_PCM_FORMAT_S32_LE:
+			switch (params_rate(params)) {
+			case 8000:
+				bclk_div_val = 384;
+				break;
+			case 16000:
+				bclk_div_val = 192;
+				break;
+			case 24000:
+				bclk_div_val = 128;
+				break;
+			case 32000:
+				bclk_div_val = 96;
+				break;
+			case 44100:
+			case 48000:
+				bclk_div_val = 64;
+				break;
+			case 88200:
+			case 96000:
+				bclk_div_val = 32;
+				break;
+			case 192000:
+				bclk_div_val = 16;
+				break;
+			default:
+				return -EINVAL;
+			}
+			lrclk_div_val = 64;
+			break;
+		default:
+			return -EINVAL;
+		}
+		adata->lrclk_div = lrclk_div_val;
+		adata->bclk_div = bclk_div_val;
+	}
 	return 0;
 }
 
@@ -94,6 +171,7 @@ static int acp_i2s_trigger(struct snd_pcm_substream *substream, int cmd, struct
 	struct acp_stream *stream = substream->runtime->private_data;
 	struct device *dev = dai->component->dev;
 	struct acp_dev_data *adata = dev_get_drvdata(dev);
+	struct acp_resource *rsrc = adata->rsrc;
 	u32 val, period_bytes, reg_val, ier_val, water_val, buf_size, buf_reg;
 
 	period_bytes = frames_to_bytes(substream->runtime, substream->runtime->period_size);
@@ -118,6 +196,12 @@ static int acp_i2s_trigger(struct snd_pcm_substream *substream, int cmd, struct
 				ier_val = ACP_I2STDM_IER;
 				buf_reg = ACP_I2S_TX_RINGBUFSIZE;
 				break;
+			case I2S_HS_INSTANCE:
+				water_val = ACP_HS_TX_INTR_WATERMARK_SIZE;
+				reg_val = ACP_HSTDM_ITER;
+				ier_val = ACP_HSTDM_IER;
+				buf_reg = ACP_HS_TX_RINGBUFSIZE;
+				break;
 			default:
 				dev_err(dev, "Invalid dai id %x\n", dai->driver->id);
 				return -EINVAL;
@@ -136,6 +220,12 @@ static int acp_i2s_trigger(struct snd_pcm_substream *substream, int cmd, struct
 				ier_val = ACP_I2STDM_IER;
 				buf_reg = ACP_I2S_RX_RINGBUFSIZE;
 				break;
+			case I2S_HS_INSTANCE:
+				water_val = ACP_HS_RX_INTR_WATERMARK_SIZE;
+				reg_val = ACP_HSTDM_IRER;
+				ier_val = ACP_HSTDM_IER;
+				buf_reg = ACP_HS_RX_RINGBUFSIZE;
+				break;
 			default:
 				dev_err(dev, "Invalid dai id %x\n", dai->driver->id);
 				return -EINVAL;
@@ -147,6 +237,8 @@ static int acp_i2s_trigger(struct snd_pcm_substream *substream, int cmd, struct
 		val = val | BIT(0);
 		writel(val, adata->acp_base + reg_val);
 		writel(1, adata->acp_base + ier_val);
+		if (rsrc->soc_mclk)
+			acp_set_i2s_clk(adata, dai->driver->id);
 		return 0;
 	case SNDRV_PCM_TRIGGER_STOP:
 	case SNDRV_PCM_TRIGGER_SUSPEND:
@@ -159,6 +251,9 @@ static int acp_i2s_trigger(struct snd_pcm_substream *substream, int cmd, struct
 			case I2S_SP_INSTANCE:
 				reg_val = ACP_I2STDM_ITER;
 				break;
+			case I2S_HS_INSTANCE:
+				reg_val = ACP_HSTDM_ITER;
+				break;
 			default:
 				dev_err(dev, "Invalid dai id %x\n", dai->driver->id);
 				return -EINVAL;
@@ -172,6 +267,9 @@ static int acp_i2s_trigger(struct snd_pcm_substream *substream, int cmd, struct
 			case I2S_SP_INSTANCE:
 				reg_val = ACP_I2STDM_IRER;
 				break;
+			case I2S_HS_INSTANCE:
+				reg_val = ACP_HSTDM_IRER;
+				break;
 			default:
 				dev_err(dev, "Invalid dai id %x\n", dai->driver->id);
 				return -EINVAL;
@@ -187,6 +285,9 @@ static int acp_i2s_trigger(struct snd_pcm_substream *substream, int cmd, struct
 		if (!(readl(adata->acp_base + ACP_I2STDM_ITER) & BIT(0)) &&
 		    !(readl(adata->acp_base + ACP_I2STDM_IRER) & BIT(0)))
 			writel(0, adata->acp_base + ACP_I2STDM_IER);
+		if (!(readl(adata->acp_base + ACP_HSTDM_ITER) & BIT(0)) &&
+		    !(readl(adata->acp_base + ACP_HSTDM_IRER) & BIT(0)))
+			writel(0, adata->acp_base + ACP_HSTDM_IER);
 		return 0;
 	default:
 		return -EINVAL;
@@ -247,6 +348,27 @@ static int acp_i2s_prepare(struct snd_pcm_substream *substream, struct snd_soc_d
 			writel(phy_addr, adata->acp_base + ACP_BT_RX_RINGBUFADDR);
 		}
 		break;
+	case I2S_HS_INSTANCE:
+		if (dir == SNDRV_PCM_STREAM_PLAYBACK) {
+			reg_dma_size = ACP_HS_TX_DMA_SIZE;
+			acp_fifo_addr = rsrc->sram_pte_offset +
+				HS_PB_FIFO_ADDR_OFFSET;
+			reg_fifo_addr = ACP_HS_TX_FIFOADDR;
+			reg_fifo_size = ACP_HS_TX_FIFOSIZE;
+
+			phy_addr = I2S_HS_TX_MEM_WINDOW_START + stream->reg_offset;
+			writel(phy_addr, adata->acp_base + ACP_HS_TX_RINGBUFADDR);
+		} else {
+			reg_dma_size = ACP_HS_RX_DMA_SIZE;
+			acp_fifo_addr = rsrc->sram_pte_offset +
+					HS_CAPT_FIFO_ADDR_OFFSET;
+			reg_fifo_addr = ACP_HS_RX_FIFOADDR;
+			reg_fifo_size = ACP_HS_RX_FIFOSIZE;
+
+			phy_addr = I2S_HS_RX_MEM_WINDOW_START + stream->reg_offset;
+			writel(phy_addr, adata->acp_base + ACP_HS_RX_RINGBUFADDR);
+		}
+		break;
 	default:
 		dev_err(dev, "Invalid dai id %x\n", dai->driver->id);
 		return -EINVAL;
@@ -260,7 +382,9 @@ static int acp_i2s_prepare(struct snd_pcm_substream *substream, struct snd_soc_d
 	ext_int_ctrl |= BIT(I2S_RX_THRESHOLD(rsrc->offset)) |
 			BIT(BT_RX_THRESHOLD(rsrc->offset)) |
 			BIT(I2S_TX_THRESHOLD(rsrc->offset)) |
-			BIT(BT_TX_THRESHOLD(rsrc->offset));
+			BIT(BT_TX_THRESHOLD(rsrc->offset)) |
+			BIT(HS_RX_THRESHOLD(rsrc->offset)) |
+			BIT(HS_TX_THRESHOLD(rsrc->offset));
 
 	writel(ext_int_ctrl, ACP_EXTERNAL_INTR_CNTL(adata, rsrc->irqp_used));
 
@@ -299,6 +423,17 @@ static int acp_i2s_startup(struct snd_pcm_substream *substream, struct snd_soc_d
 			stream->fifo_offset = BT_CAPT_FIFO_ADDR_OFFSET;
 		}
 		break;
+	case I2S_HS_INSTANCE:
+		if (dir == SNDRV_PCM_STREAM_PLAYBACK) {
+			irq_bit = BIT(HS_TX_THRESHOLD(rsrc->offset));
+			stream->pte_offset = ACP_SRAM_HS_PB_PTE_OFFSET;
+			stream->fifo_offset = HS_PB_FIFO_ADDR_OFFSET;
+		} else {
+			irq_bit = BIT(HS_RX_THRESHOLD(rsrc->offset));
+			stream->pte_offset = ACP_SRAM_HS_CP_PTE_OFFSET;
+			stream->fifo_offset = HS_CAPT_FIFO_ADDR_OFFSET;
+		}
+		break;
 	default:
 		dev_err(dev, "Invalid dai id %x\n", dai->driver->id);
 		return -EINVAL;