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-rw-r--r--sound/soc/amd/acp-pcm-dma.c36
-rw-r--r--sound/soc/amd/acp.h2
2 files changed, 17 insertions, 21 deletions
diff --git a/sound/soc/amd/acp-pcm-dma.c b/sound/soc/amd/acp-pcm-dma.c
index fa451d0408b4..3dc3de1040a4 100644
--- a/sound/soc/amd/acp-pcm-dma.c
+++ b/sound/soc/amd/acp-pcm-dma.c
@@ -793,12 +793,18 @@ static int acp_dma_hw_params(struct snd_pcm_substream *substream,
rtd->destination = TO_ACP_I2S_1;
rtd->dma_dscr_idx_1 = PLAYBACK_START_DMA_DESCR_CH12;
rtd->dma_dscr_idx_2 = PLAYBACK_START_DMA_DESCR_CH13;
+ rtd->byte_cnt_high_reg_offset =
+ mmACP_I2S_TRANSMIT_BYTE_CNT_HIGH;
+ rtd->byte_cnt_low_reg_offset = mmACP_I2S_TRANSMIT_BYTE_CNT_LOW;
} else {
rtd->ch1 = ACP_TO_SYSRAM_CH_NUM;
rtd->ch2 = I2S_TO_ACP_DMA_CH_NUM;
rtd->destination = FROM_ACP_I2S_1;
rtd->dma_dscr_idx_1 = CAPTURE_START_DMA_DESCR_CH14;
rtd->dma_dscr_idx_2 = CAPTURE_START_DMA_DESCR_CH15;
+ rtd->byte_cnt_high_reg_offset =
+ mmACP_I2S_RECEIVED_BYTE_CNT_HIGH;
+ rtd->byte_cnt_low_reg_offset = mmACP_I2S_RECEIVED_BYTE_CNT_LOW;
}
size = params_buffer_bytes(params);
@@ -834,26 +840,15 @@ static int acp_dma_hw_free(struct snd_pcm_substream *substream)
return snd_pcm_lib_free_pages(substream);
}
-static u64 acp_get_byte_count(void __iomem *acp_mmio, int stream)
+static u64 acp_get_byte_count(struct audio_substream_data *rtd)
{
- union acp_dma_count playback_dma_count;
- union acp_dma_count capture_dma_count;
- u64 bytescount = 0;
+ union acp_dma_count byte_count;
- if (stream == SNDRV_PCM_STREAM_PLAYBACK) {
- playback_dma_count.bcount.high = acp_reg_read(acp_mmio,
- mmACP_I2S_TRANSMIT_BYTE_CNT_HIGH);
- playback_dma_count.bcount.low = acp_reg_read(acp_mmio,
- mmACP_I2S_TRANSMIT_BYTE_CNT_LOW);
- bytescount = playback_dma_count.bytescount;
- } else {
- capture_dma_count.bcount.high = acp_reg_read(acp_mmio,
- mmACP_I2S_RECEIVED_BYTE_CNT_HIGH);
- capture_dma_count.bcount.low = acp_reg_read(acp_mmio,
- mmACP_I2S_RECEIVED_BYTE_CNT_LOW);
- bytescount = capture_dma_count.bytescount;
- }
- return bytescount;
+ byte_count.bcount.high = acp_reg_read(rtd->acp_mmio,
+ rtd->byte_cnt_high_reg_offset);
+ byte_count.bcount.low = acp_reg_read(rtd->acp_mmio,
+ rtd->byte_cnt_low_reg_offset);
+ return byte_count.bytescount;
}
static snd_pcm_uframes_t acp_dma_pointer(struct snd_pcm_substream *substream)
@@ -869,7 +864,7 @@ static snd_pcm_uframes_t acp_dma_pointer(struct snd_pcm_substream *substream)
return -EINVAL;
buffersize = frames_to_bytes(runtime, runtime->buffer_size);
- bytescount = acp_get_byte_count(rtd->acp_mmio, substream->stream);
+ bytescount = acp_get_byte_count(rtd);
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
if (bytescount > rtd->i2ssp_renderbytescount)
@@ -925,8 +920,7 @@ static int acp_dma_trigger(struct snd_pcm_substream *substream, int cmd)
case SNDRV_PCM_TRIGGER_START:
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
case SNDRV_PCM_TRIGGER_RESUME:
- bytescount = acp_get_byte_count(rtd->acp_mmio,
- substream->stream);
+ bytescount = acp_get_byte_count(rtd);
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
if (rtd->i2ssp_renderbytescount == 0)
rtd->i2ssp_renderbytescount = bytescount;
diff --git a/sound/soc/amd/acp.h b/sound/soc/amd/acp.h
index 5e25428e6bbe..3b076c6a0ae2 100644
--- a/sound/soc/amd/acp.h
+++ b/sound/soc/amd/acp.h
@@ -90,6 +90,8 @@ struct audio_substream_data {
u16 destination;
u16 dma_dscr_idx_1;
u16 dma_dscr_idx_2;
+ u32 byte_cnt_high_reg_offset;
+ u32 byte_cnt_low_reg_offset;
uint64_t size;
u64 i2ssp_renderbytescount;
u64 i2ssp_capturebytescount;