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path: root/sound/soc/amd/acp-pcm-dma.c
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Diffstat (limited to 'sound/soc/amd/acp-pcm-dma.c')
-rw-r--r--sound/soc/amd/acp-pcm-dma.c76
1 files changed, 66 insertions, 10 deletions
diff --git a/sound/soc/amd/acp-pcm-dma.c b/sound/soc/amd/acp-pcm-dma.c
index 1f322accd9ea..198358d28ea9 100644
--- a/sound/soc/amd/acp-pcm-dma.c
+++ b/sound/soc/amd/acp-pcm-dma.c
@@ -433,6 +433,7 @@ static void acp_dma_start(void __iomem *acp_mmio, u16 ch_num, bool is_circular)
case I2S_TO_ACP_DMA_CH_NUM:
case ACP_TO_I2S_DMA_BT_INSTANCE_CH_NUM:
case I2S_TO_ACP_DMA_BT_INSTANCE_CH_NUM:
+ case ACP_TO_I2S_DMA_MICSP_INSTANCE_CH_NUM:
dma_ctrl |= ACP_DMA_CNTL_0__DMAChIOCEn_MASK;
break;
default:
@@ -710,6 +711,13 @@ static irqreturn_t dma_irq_handler(int irq, void *arg)
acp_mmio, mmACP_EXTERNAL_INTR_STAT);
}
+ if ((intr_flag & BIT(ACP_TO_I2S_DMA_MICSP_INSTANCE_CH_NUM)) != 0) {
+ valid_irq = true;
+ snd_pcm_period_elapsed(irq_data->play_i2s_micsp_stream);
+ acp_reg_write((intr_flag & BIT(ACP_TO_I2S_DMA_MICSP_INSTANCE_CH_NUM)) << 16,
+ acp_mmio, mmACP_EXTERNAL_INTR_STAT);
+ }
+
if ((intr_flag & BIT(ACP_TO_I2S_DMA_BT_INSTANCE_CH_NUM)) != 0) {
valid_irq = true;
snd_pcm_period_elapsed(irq_data->play_i2sbt_stream);
@@ -807,7 +815,8 @@ static int acp_dma_open(struct snd_soc_component *component,
* stream is not closed
*/
if (!intr_data->play_i2ssp_stream && !intr_data->capture_i2ssp_stream &&
- !intr_data->play_i2sbt_stream && !intr_data->capture_i2sbt_stream)
+ !intr_data->play_i2sbt_stream && !intr_data->capture_i2sbt_stream &&
+ !intr_data->play_i2s_micsp_stream)
acp_reg_write(1, adata->acp_mmio, mmACP_EXTERNAL_INTR_ENB);
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
@@ -867,6 +876,9 @@ static int acp_dma_hw_params(struct snd_soc_component *component,
case I2S_BT_INSTANCE:
val |= ACP_I2S_BT_16BIT_RESOLUTION_EN;
break;
+ case I2S_MICSP_INSTANCE:
+ val |= ACP_I2S_MICSP_16BIT_RESOLUTION_EN;
+ break;
case I2S_SP_INSTANCE:
default:
val |= ACP_I2S_SP_16BIT_RESOLUTION_EN;
@@ -876,6 +888,7 @@ static int acp_dma_hw_params(struct snd_soc_component *component,
case I2S_BT_INSTANCE:
val |= ACP_I2S_BT_16BIT_RESOLUTION_EN;
break;
+ case I2S_MICSP_INSTANCE:
case I2S_SP_INSTANCE:
default:
val |= ACP_I2S_MIC_16BIT_RESOLUTION_EN;
@@ -901,6 +914,27 @@ static int acp_dma_hw_params(struct snd_soc_component *component,
mmACP_I2S_BT_TRANSMIT_BYTE_CNT_LOW;
adata->play_i2sbt_stream = substream;
break;
+ case I2S_MICSP_INSTANCE:
+ switch (adata->asic_type) {
+ case CHIP_STONEY:
+ rtd->pte_offset = ACP_ST_PLAYBACK_PTE_OFFSET;
+ break;
+ default:
+ rtd->pte_offset = ACP_PLAYBACK_PTE_OFFSET;
+ }
+ rtd->ch1 = SYSRAM_TO_ACP_MICSP_INSTANCE_CH_NUM;
+ rtd->ch2 = ACP_TO_I2S_DMA_MICSP_INSTANCE_CH_NUM;
+ rtd->sram_bank = ACP_SRAM_BANK_1_ADDRESS;
+ rtd->destination = TO_ACP_I2S_2;
+ rtd->dma_dscr_idx_1 = PLAYBACK_START_DMA_DESCR_CH4;
+ rtd->dma_dscr_idx_2 = PLAYBACK_START_DMA_DESCR_CH5;
+ rtd->byte_cnt_high_reg_offset =
+ mmACP_I2S_MICSP_TRANSMIT_BYTE_CNT_HIGH;
+ rtd->byte_cnt_low_reg_offset =
+ mmACP_I2S_MICSP_TRANSMIT_BYTE_CNT_LOW;
+
+ adata->play_i2s_micsp_stream = substream;
+ break;
case I2S_SP_INSTANCE:
default:
switch (adata->asic_type) {
@@ -939,6 +973,7 @@ static int acp_dma_hw_params(struct snd_soc_component *component,
rtd->dma_curr_dscr = mmACP_DMA_CUR_DSCR_11;
adata->capture_i2sbt_stream = substream;
break;
+ case I2S_MICSP_INSTANCE:
case I2S_SP_INSTANCE:
default:
rtd->pte_offset = ACP_CAPTURE_PTE_OFFSET;
@@ -1003,6 +1038,7 @@ static snd_pcm_uframes_t acp_dma_pointer(struct snd_soc_component *component,
struct snd_pcm_runtime *runtime = substream->runtime;
struct audio_substream_data *rtd = runtime->private_data;
+ struct audio_drv_data *adata = dev_get_drvdata(component->dev);
if (!rtd)
return -EINVAL;
@@ -1023,7 +1059,7 @@ static snd_pcm_uframes_t acp_dma_pointer(struct snd_soc_component *component,
}
if (bytescount > 0) {
delay = do_div(bytescount, period_bytes);
- runtime->delay = bytes_to_frames(runtime, delay);
+ adata->delay += bytes_to_frames(runtime, delay);
}
} else {
buffersize = frames_to_bytes(runtime, runtime->buffer_size);
@@ -1035,6 +1071,17 @@ static snd_pcm_uframes_t acp_dma_pointer(struct snd_soc_component *component,
return bytes_to_frames(runtime, pos);
}
+static snd_pcm_sframes_t acp_dma_delay(struct snd_soc_component *component,
+ struct snd_pcm_substream *substream)
+{
+ struct audio_drv_data *adata = dev_get_drvdata(component->dev);
+ snd_pcm_sframes_t delay = adata->delay;
+
+ adata->delay = 0;
+
+ return delay;
+}
+
static int acp_dma_prepare(struct snd_soc_component *component,
struct snd_pcm_substream *substream)
{
@@ -1148,6 +1195,9 @@ static int acp_dma_close(struct snd_soc_component *component,
case I2S_BT_INSTANCE:
adata->play_i2sbt_stream = NULL;
break;
+ case I2S_MICSP_INSTANCE:
+ adata->play_i2s_micsp_stream = NULL;
+ break;
case I2S_SP_INSTANCE:
default:
adata->play_i2ssp_stream = NULL;
@@ -1169,6 +1219,7 @@ static int acp_dma_close(struct snd_soc_component *component,
case I2S_BT_INSTANCE:
adata->capture_i2sbt_stream = NULL;
break;
+ case I2S_MICSP_INSTANCE:
case I2S_SP_INSTANCE:
default:
adata->capture_i2ssp_stream = NULL;
@@ -1185,7 +1236,8 @@ static int acp_dma_close(struct snd_soc_component *component,
* another stream is also not active.
*/
if (!adata->play_i2ssp_stream && !adata->capture_i2ssp_stream &&
- !adata->play_i2sbt_stream && !adata->capture_i2sbt_stream)
+ !adata->play_i2sbt_stream && !adata->capture_i2sbt_stream &&
+ !adata->play_i2s_micsp_stream)
acp_reg_write(0, adata->acp_mmio, mmACP_EXTERNAL_INTR_ENB);
kfree(rtd);
return 0;
@@ -1198,15 +1250,15 @@ static const struct snd_soc_component_driver acp_asoc_platform = {
.hw_params = acp_dma_hw_params,
.trigger = acp_dma_trigger,
.pointer = acp_dma_pointer,
+ .delay = acp_dma_delay,
.prepare = acp_dma_prepare,
.pcm_construct = acp_dma_new,
};
static int acp_audio_probe(struct platform_device *pdev)
{
- int status;
+ int status, irq;
struct audio_drv_data *audio_drv_data;
- struct resource *res;
const u32 *pdata = pdev->dev.platform_data;
if (!pdata) {
@@ -1233,16 +1285,15 @@ static int acp_audio_probe(struct platform_device *pdev)
audio_drv_data->capture_i2ssp_stream = NULL;
audio_drv_data->play_i2sbt_stream = NULL;
audio_drv_data->capture_i2sbt_stream = NULL;
+ audio_drv_data->play_i2s_micsp_stream = NULL;
audio_drv_data->asic_type = *pdata;
- res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
- if (!res) {
- dev_err(&pdev->dev, "IORESOURCE_IRQ FAILED\n");
+ irq = platform_get_irq(pdev, 0);
+ if (irq < 0)
return -ENODEV;
- }
- status = devm_request_irq(&pdev->dev, res->start, dma_irq_handler,
+ status = devm_request_irq(&pdev->dev, irq, dma_irq_handler,
0, "ACP_IRQ", &pdev->dev);
if (status) {
dev_err(&pdev->dev, "ACP IRQ request failed\n");
@@ -1323,6 +1374,11 @@ static int acp_pcm_resume(struct device *dev)
config_acp_dma(adata->acp_mmio, rtd, adata->asic_type);
}
if (adata->asic_type != CHIP_CARRIZO) {
+ if (adata->play_i2s_micsp_stream &&
+ adata->play_i2s_micsp_stream->runtime) {
+ rtd = adata->play_i2s_micsp_stream->runtime->private_data;
+ config_acp_dma(adata->acp_mmio, rtd, adata->asic_type);
+ }
if (adata->play_i2sbt_stream &&
adata->play_i2sbt_stream->runtime) {
rtd = adata->play_i2sbt_stream->runtime->private_data;
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.