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Diffstat (limited to 'sound/soc/amd/acp/acp-i2s.c')
-rw-r--r--sound/soc/amd/acp/acp-i2s.c249
1 files changed, 234 insertions, 15 deletions
diff --git a/sound/soc/amd/acp/acp-i2s.c b/sound/soc/amd/acp/acp-i2s.c
index ce9aca8dd6f5..ac416572db0d 100644
--- a/sound/soc/amd/acp/acp-i2s.c
+++ b/sound/soc/amd/acp/acp-i2s.c
@@ -25,16 +25,78 @@
#define DRV_NAME "acp_i2s_playcap"
+static int acp_i2s_set_fmt(struct snd_soc_dai *cpu_dai,
+ unsigned int fmt)
+{
+ struct acp_dev_data *adata = snd_soc_dai_get_drvdata(cpu_dai);
+ int mode;
+
+ mode = fmt & SND_SOC_DAIFMT_FORMAT_MASK;
+ switch (mode) {
+ case SND_SOC_DAIFMT_I2S:
+ adata->tdm_mode = TDM_DISABLE;
+ break;
+ case SND_SOC_DAIFMT_DSP_A:
+ adata->tdm_mode = TDM_ENABLE;
+ break;
+ default:
+ return -EINVAL;
+ }
+ return 0;
+}
+
+static int acp_i2s_set_tdm_slot(struct snd_soc_dai *dai, u32 tx_mask, u32 rx_mask,
+ int slots, int slot_width)
+{
+ struct device *dev = dai->component->dev;
+ struct acp_dev_data *adata = snd_soc_dai_get_drvdata(dai);
+ struct acp_stream *stream;
+ int slot_len;
+
+ switch (slot_width) {
+ case SLOT_WIDTH_8:
+ slot_len = 8;
+ break;
+ case SLOT_WIDTH_16:
+ slot_len = 16;
+ break;
+ case SLOT_WIDTH_24:
+ slot_len = 24;
+ break;
+ case SLOT_WIDTH_32:
+ slot_len = 0;
+ break;
+ default:
+ dev_err(dev, "Unsupported bitdepth %d\n", slot_width);
+ return -EINVAL;
+ }
+
+ spin_lock_irq(&adata->acp_lock);
+ list_for_each_entry(stream, &adata->stream_list, list) {
+ if (tx_mask && stream->dir == SNDRV_PCM_STREAM_PLAYBACK)
+ adata->tdm_tx_fmt[stream->dai_id - 1] =
+ FRM_LEN | (slots << 15) | (slot_len << 18);
+ else if (rx_mask && stream->dir == SNDRV_PCM_STREAM_CAPTURE)
+ adata->tdm_rx_fmt[stream->dai_id - 1] =
+ FRM_LEN | (slots << 15) | (slot_len << 18);
+ }
+ spin_unlock_irq(&adata->acp_lock);
+ return 0;
+}
+
static int acp_i2s_hwparams(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params,
struct snd_soc_dai *dai)
{
struct device *dev = dai->component->dev;
struct acp_dev_data *adata;
+ struct acp_resource *rsrc;
u32 val;
u32 xfer_resolution;
- u32 reg_val;
+ u32 reg_val, fmt_reg, tdm_fmt;
+ 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)) {
@@ -59,9 +121,15 @@ static int acp_i2s_hwparams(struct snd_pcm_substream *substream, struct snd_pcm_
switch (dai->driver->id) {
case I2S_BT_INSTANCE:
reg_val = ACP_BTTDM_ITER;
+ fmt_reg = ACP_BTTDM_TXFRMT;
break;
case I2S_SP_INSTANCE:
reg_val = ACP_I2STDM_ITER;
+ fmt_reg = ACP_I2STDM_TXFRMT;
+ break;
+ case I2S_HS_INSTANCE:
+ reg_val = ACP_HSTDM_ITER;
+ fmt_reg = ACP_HSTDM_TXFRMT;
break;
default:
dev_err(dev, "Invalid dai id %x\n", dai->driver->id);
@@ -71,9 +139,15 @@ static int acp_i2s_hwparams(struct snd_pcm_substream *substream, struct snd_pcm_
switch (dai->driver->id) {
case I2S_BT_INSTANCE:
reg_val = ACP_BTTDM_IRER;
+ fmt_reg = ACP_BTTDM_RXFRMT;
break;
case I2S_SP_INSTANCE:
reg_val = ACP_I2STDM_IRER;
+ fmt_reg = ACP_I2STDM_RXFRMT;
+ break;
+ case I2S_HS_INSTANCE:
+ reg_val = ACP_HSTDM_IRER;
+ fmt_reg = ACP_HSTDM_RXFRMT;
break;
default:
dev_err(dev, "Invalid dai id %x\n", dai->driver->id);
@@ -86,6 +160,84 @@ 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 (adata->tdm_mode) {
+ val = readl(adata->acp_base + reg_val);
+ writel(val | BIT(1), adata->acp_base + reg_val);
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ tdm_fmt = adata->tdm_tx_fmt[dai->driver->id - 1];
+ else
+ tdm_fmt = adata->tdm_rx_fmt[dai->driver->id - 1];
+ writel(tdm_fmt, adata->acp_base + fmt_reg);
+ }
+
+ 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 +246,7 @@ 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 +271,12 @@ 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 +295,12 @@ 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 +312,8 @@ 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 +326,9 @@ 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 +342,9 @@ 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 +360,9 @@ 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;
@@ -199,6 +375,7 @@ static int acp_i2s_prepare(struct snd_pcm_substream *substream, struct snd_soc_d
{
struct device *dev = dai->component->dev;
struct acp_dev_data *adata = dev_get_drvdata(dev);
+ struct acp_resource *rsrc = adata->rsrc;
struct acp_stream *stream = substream->runtime->private_data;
u32 reg_dma_size = 0, reg_fifo_size = 0, reg_fifo_addr = 0;
u32 phy_addr = 0, acp_fifo_addr = 0, ext_int_ctrl;
@@ -208,7 +385,7 @@ static int acp_i2s_prepare(struct snd_pcm_substream *substream, struct snd_soc_d
case I2S_SP_INSTANCE:
if (dir == SNDRV_PCM_STREAM_PLAYBACK) {
reg_dma_size = ACP_I2S_TX_DMA_SIZE;
- acp_fifo_addr = ACP_SRAM_PTE_OFFSET +
+ acp_fifo_addr = rsrc->sram_pte_offset +
SP_PB_FIFO_ADDR_OFFSET;
reg_fifo_addr = ACP_I2S_TX_FIFOADDR;
reg_fifo_size = ACP_I2S_TX_FIFOSIZE;
@@ -217,7 +394,7 @@ static int acp_i2s_prepare(struct snd_pcm_substream *substream, struct snd_soc_d
writel(phy_addr, adata->acp_base + ACP_I2S_TX_RINGBUFADDR);
} else {
reg_dma_size = ACP_I2S_RX_DMA_SIZE;
- acp_fifo_addr = ACP_SRAM_PTE_OFFSET +
+ acp_fifo_addr = rsrc->sram_pte_offset +
SP_CAPT_FIFO_ADDR_OFFSET;
reg_fifo_addr = ACP_I2S_RX_FIFOADDR;
reg_fifo_size = ACP_I2S_RX_FIFOSIZE;
@@ -228,7 +405,7 @@ static int acp_i2s_prepare(struct snd_pcm_substream *substream, struct snd_soc_d
case I2S_BT_INSTANCE:
if (dir == SNDRV_PCM_STREAM_PLAYBACK) {
reg_dma_size = ACP_BT_TX_DMA_SIZE;
- acp_fifo_addr = ACP_SRAM_PTE_OFFSET +
+ acp_fifo_addr = rsrc->sram_pte_offset +
BT_PB_FIFO_ADDR_OFFSET;
reg_fifo_addr = ACP_BT_TX_FIFOADDR;
reg_fifo_size = ACP_BT_TX_FIFOSIZE;
@@ -237,7 +414,7 @@ static int acp_i2s_prepare(struct snd_pcm_substream *substream, struct snd_soc_d
writel(phy_addr, adata->acp_base + ACP_BT_TX_RINGBUFADDR);
} else {
reg_dma_size = ACP_BT_RX_DMA_SIZE;
- acp_fifo_addr = ACP_SRAM_PTE_OFFSET +
+ acp_fifo_addr = rsrc->sram_pte_offset +
BT_CAPT_FIFO_ADDR_OFFSET;
reg_fifo_addr = ACP_BT_RX_FIFOADDR;
reg_fifo_size = ACP_BT_RX_FIFOSIZE;
@@ -246,6 +423,27 @@ 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;
@@ -255,11 +453,15 @@ static int acp_i2s_prepare(struct snd_pcm_substream *substream, struct snd_soc_d
writel(acp_fifo_addr, adata->acp_base + reg_fifo_addr);
writel(FIFO_SIZE, adata->acp_base + reg_fifo_size);
- ext_int_ctrl = readl(adata->acp_base + ACP_EXTERNAL_INTR_CNTL);
- ext_int_ctrl |= BIT(I2S_RX_THRESHOLD) | BIT(BT_RX_THRESHOLD)
- | BIT(I2S_TX_THRESHOLD) | BIT(BT_TX_THRESHOLD);
+ ext_int_ctrl = readl(ACP_EXTERNAL_INTR_CNTL(adata, rsrc->irqp_used));
+ 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(HS_RX_THRESHOLD(rsrc->offset)) |
+ BIT(HS_TX_THRESHOLD(rsrc->offset));
- writel(ext_int_ctrl, adata->acp_base + ACP_EXTERNAL_INTR_CNTL);
+ writel(ext_int_ctrl, ACP_EXTERNAL_INTR_CNTL(adata, rsrc->irqp_used));
return 0;
}
@@ -268,32 +470,45 @@ static int acp_i2s_startup(struct snd_pcm_substream *substream, struct snd_soc_d
{
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;
unsigned int dir = substream->stream;
unsigned int irq_bit = 0;
switch (dai->driver->id) {
case I2S_SP_INSTANCE:
if (dir == SNDRV_PCM_STREAM_PLAYBACK) {
- irq_bit = BIT(I2S_TX_THRESHOLD);
+ irq_bit = BIT(I2S_TX_THRESHOLD(rsrc->offset));
stream->pte_offset = ACP_SRAM_SP_PB_PTE_OFFSET;
stream->fifo_offset = SP_PB_FIFO_ADDR_OFFSET;
} else {
- irq_bit = BIT(I2S_RX_THRESHOLD);
+ irq_bit = BIT(I2S_RX_THRESHOLD(rsrc->offset));
stream->pte_offset = ACP_SRAM_SP_CP_PTE_OFFSET;
stream->fifo_offset = SP_CAPT_FIFO_ADDR_OFFSET;
}
break;
case I2S_BT_INSTANCE:
if (dir == SNDRV_PCM_STREAM_PLAYBACK) {
- irq_bit = BIT(BT_TX_THRESHOLD);
+ irq_bit = BIT(BT_TX_THRESHOLD(rsrc->offset));
stream->pte_offset = ACP_SRAM_BT_PB_PTE_OFFSET;
stream->fifo_offset = BT_PB_FIFO_ADDR_OFFSET;
} else {
- irq_bit = BIT(BT_RX_THRESHOLD);
+ irq_bit = BIT(BT_RX_THRESHOLD(rsrc->offset));
stream->pte_offset = ACP_SRAM_BT_CP_PTE_OFFSET;
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;
@@ -303,6 +518,7 @@ static int acp_i2s_startup(struct snd_pcm_substream *substream, struct snd_soc_d
stream->id = dai->driver->id + dir;
stream->dai_id = dai->driver->id;
stream->irq_bit = irq_bit;
+ stream->dir = substream->stream;
return 0;
}
@@ -312,6 +528,8 @@ const struct snd_soc_dai_ops asoc_acp_cpu_dai_ops = {
.hw_params = acp_i2s_hwparams,
.prepare = acp_i2s_prepare,
.trigger = acp_i2s_trigger,
+ .set_fmt = acp_i2s_set_fmt,
+ .set_tdm_slot = acp_i2s_set_tdm_slot,
};
EXPORT_SYMBOL_NS_GPL(asoc_acp_cpu_dai_ops, SND_SOC_ACP_COMMON);
@@ -319,6 +537,7 @@ int asoc_acp_i2s_probe(struct snd_soc_dai *dai)
{
struct device *dev = dai->component->dev;
struct acp_dev_data *adata = dev_get_drvdata(dev);
+ struct acp_resource *rsrc = adata->rsrc;
unsigned int val;
if (!adata->acp_base) {
@@ -326,8 +545,8 @@ int asoc_acp_i2s_probe(struct snd_soc_dai *dai)
return -EINVAL;
}
- val = readl(adata->acp_base + ACP_I2S_PIN_CONFIG);
- if (val != I2S_MODE) {
+ val = readl(adata->acp_base + rsrc->i2s_pin_cfg_offset);
+ if (val != rsrc->i2s_mode) {
dev_err(dev, "I2S Mode not supported val %x\n", val);
return -EINVAL;
}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.