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author | Vijendar Mukunda <Vijendar.Mukunda@amd.com> | 2018-05-08 10:17:45 +0530 |
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committer | Mark Brown <broonie@kernel.org> | 2018-05-11 12:13:24 +0900 |
commit | 7f0048478470046c9efc956c6100b70836ac9f97 (patch) | |
tree | adf55c273a2c637941659c1b61120d4b54bedf29 /sound/soc/amd/acp-pcm-dma.c | |
parent | 8769bb55fe1d9912c9cd9e008afb14e22a762103 (diff) | |
download | op-kernel-dev-7f0048478470046c9efc956c6100b70836ac9f97.zip op-kernel-dev-7f0048478470046c9efc956c6100b70836ac9f97.tar.gz |
ASoC: amd: added byte count register offset variables to rtd
Added byte count register offset variables to audio_substream_data
structure. Modified dma pointer callback.
Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Reviewed-by: Daniel Kurtz <djkurtz@chromium.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/amd/acp-pcm-dma.c')
-rw-r--r-- | sound/soc/amd/acp-pcm-dma.c | 36 |
1 files changed, 15 insertions, 21 deletions
diff --git a/sound/soc/amd/acp-pcm-dma.c b/sound/soc/amd/acp-pcm-dma.c index fa451d0..3dc3de1 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; |