diff options
| author | Ravulapati Vishnu vardhan rao <Vishnuvardhanrao.Ravulapati@amd.com> | 2020-02-11 14:12:28 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2020-02-12 19:13:05 +0100 |
| commit | 1880b1f1d686b17387b5bf45654eb1d087ead918 (patch) | |
| tree | 6c055c4a10c50f10eecb39d590f87068a1ce8fde /sound/soc/amd | |
| parent | ASoC: SOF: Intel: hda: move i915 init earlier (diff) | |
| download | linux-1880b1f1d686b17387b5bf45654eb1d087ead918.tar.xz linux-1880b1f1d686b17387b5bf45654eb1d087ead918.zip | |
ASoC: amd: Buffer Size instead of MAX Buffer
Because of MAX BUFFER size in register,when user/app give small
buffer size produces noise of old data in buffer.
This patch rectifies this noise when using different
buffer sizes less than MAX BUFFER.
Signed-off-by: Ravulapati Vishnu vardhan rao <Vishnuvardhanrao.Ravulapati@amd.com>
Link: https://lore.kernel.org/r/1581426768-8937-1-git-send-email-Vishnuvardhanrao.Ravulapati@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/amd')
| -rw-r--r-- | sound/soc/amd/raven/acp3x-i2s.c | 8 | ||||
| -rw-r--r-- | sound/soc/amd/raven/acp3x-pcm-dma.c | 7 |
2 files changed, 9 insertions, 6 deletions
diff --git a/sound/soc/amd/raven/acp3x-i2s.c b/sound/soc/amd/raven/acp3x-i2s.c index 31cd4008e33f..91a388184e52 100644 --- a/sound/soc/amd/raven/acp3x-i2s.c +++ b/sound/soc/amd/raven/acp3x-i2s.c @@ -170,6 +170,7 @@ static int acp3x_i2s_trigger(struct snd_pcm_substream *substream, struct snd_soc_card *card; struct acp3x_platform_info *pinfo; u32 ret, val, period_bytes, reg_val, ier_val, water_val; + u32 buf_size, buf_reg; prtd = substream->private_data; rtd = substream->runtime->private_data; @@ -183,6 +184,8 @@ static int acp3x_i2s_trigger(struct snd_pcm_substream *substream, } period_bytes = frames_to_bytes(substream->runtime, substream->runtime->period_size); + buf_size = frames_to_bytes(substream->runtime, + substream->runtime->buffer_size); switch (cmd) { case SNDRV_PCM_TRIGGER_START: case SNDRV_PCM_TRIGGER_RESUME: @@ -196,6 +199,7 @@ static int acp3x_i2s_trigger(struct snd_pcm_substream *substream, mmACP_BT_TX_INTR_WATERMARK_SIZE; reg_val = mmACP_BTTDM_ITER; ier_val = mmACP_BTTDM_IER; + buf_reg = mmACP_BT_TX_RINGBUFSIZE; break; case I2S_SP_INSTANCE: default: @@ -203,6 +207,7 @@ static int acp3x_i2s_trigger(struct snd_pcm_substream *substream, mmACP_I2S_TX_INTR_WATERMARK_SIZE; reg_val = mmACP_I2STDM_ITER; ier_val = mmACP_I2STDM_IER; + buf_reg = mmACP_I2S_TX_RINGBUFSIZE; } } else { switch (rtd->i2s_instance) { @@ -211,6 +216,7 @@ static int acp3x_i2s_trigger(struct snd_pcm_substream *substream, mmACP_BT_RX_INTR_WATERMARK_SIZE; reg_val = mmACP_BTTDM_IRER; ier_val = mmACP_BTTDM_IER; + buf_reg = mmACP_BT_RX_RINGBUFSIZE; break; case I2S_SP_INSTANCE: default: @@ -218,9 +224,11 @@ static int acp3x_i2s_trigger(struct snd_pcm_substream *substream, mmACP_I2S_RX_INTR_WATERMARK_SIZE; reg_val = mmACP_I2STDM_IRER; ier_val = mmACP_I2STDM_IER; + buf_reg = mmACP_I2S_RX_RINGBUFSIZE; } } rv_writel(period_bytes, rtd->acp3x_base + water_val); + rv_writel(buf_size, rtd->acp3x_base + buf_reg); val = rv_readl(rtd->acp3x_base + reg_val); val = val | BIT(0); rv_writel(val, rtd->acp3x_base + reg_val); diff --git a/sound/soc/amd/raven/acp3x-pcm-dma.c b/sound/soc/amd/raven/acp3x-pcm-dma.c index aecc3c061679..d62c0d90c41e 100644 --- a/sound/soc/amd/raven/acp3x-pcm-dma.c +++ b/sound/soc/amd/raven/acp3x-pcm-dma.c @@ -110,7 +110,7 @@ static void config_acp3x_dma(struct i2s_stream_instance *rtd, int direction) { u16 page_idx; u32 low, high, val, acp_fifo_addr, reg_fifo_addr; - u32 reg_ringbuf_size, reg_dma_size, reg_fifo_size; + u32 reg_dma_size, reg_fifo_size; dma_addr_t addr; addr = rtd->dma_addr; @@ -157,7 +157,6 @@ static void config_acp3x_dma(struct i2s_stream_instance *rtd, int direction) if (direction == SNDRV_PCM_STREAM_PLAYBACK) { switch (rtd->i2s_instance) { case I2S_BT_INSTANCE: - reg_ringbuf_size = mmACP_BT_TX_RINGBUFSIZE; reg_dma_size = mmACP_BT_TX_DMA_SIZE; acp_fifo_addr = ACP_SRAM_PTE_OFFSET + BT_PB_FIFO_ADDR_OFFSET; @@ -169,7 +168,6 @@ static void config_acp3x_dma(struct i2s_stream_instance *rtd, int direction) case I2S_SP_INSTANCE: default: - reg_ringbuf_size = mmACP_I2S_TX_RINGBUFSIZE; reg_dma_size = mmACP_I2S_TX_DMA_SIZE; acp_fifo_addr = ACP_SRAM_PTE_OFFSET + SP_PB_FIFO_ADDR_OFFSET; @@ -181,7 +179,6 @@ static void config_acp3x_dma(struct i2s_stream_instance *rtd, int direction) } else { switch (rtd->i2s_instance) { case I2S_BT_INSTANCE: - reg_ringbuf_size = mmACP_BT_RX_RINGBUFSIZE; reg_dma_size = mmACP_BT_RX_DMA_SIZE; acp_fifo_addr = ACP_SRAM_PTE_OFFSET + BT_CAPT_FIFO_ADDR_OFFSET; @@ -193,7 +190,6 @@ static void config_acp3x_dma(struct i2s_stream_instance *rtd, int direction) case I2S_SP_INSTANCE: default: - reg_ringbuf_size = mmACP_I2S_RX_RINGBUFSIZE; reg_dma_size = mmACP_I2S_RX_DMA_SIZE; acp_fifo_addr = ACP_SRAM_PTE_OFFSET + SP_CAPT_FIFO_ADDR_OFFSET; @@ -203,7 +199,6 @@ static void config_acp3x_dma(struct i2s_stream_instance *rtd, int direction) rtd->acp3x_base + mmACP_I2S_RX_RINGBUFADDR); } } - rv_writel(MAX_BUFFER, rtd->acp3x_base + reg_ringbuf_size); rv_writel(DMA_SIZE, rtd->acp3x_base + reg_dma_size); rv_writel(acp_fifo_addr, rtd->acp3x_base + reg_fifo_addr); rv_writel(FIFO_SIZE, rtd->acp3x_base + reg_fifo_size); |