modified prepare callback for configuring dma channels for BT instance.
Signed-off-by: Vijendar Mukunda Vijendar.Mukunda@amd.com --- sound/soc/amd/acp-pcm-dma.c | 53 +++++++++++++++++++++++++++++++++++---------- 1 file changed, 41 insertions(+), 12 deletions(-)
diff --git a/sound/soc/amd/acp-pcm-dma.c b/sound/soc/amd/acp-pcm-dma.c index 8660f36..2b6c9ad 100644 --- a/sound/soc/amd/acp-pcm-dma.c +++ b/sound/soc/amd/acp-pcm-dma.c @@ -1014,25 +1014,54 @@ static int acp_dma_mmap(struct snd_pcm_substream *substream,
static int acp_dma_prepare(struct snd_pcm_substream *substream) { + u16 start_dscr_idx; struct snd_pcm_runtime *runtime = substream->runtime; struct audio_substream_data *rtd = runtime->private_data;
if (!rtd) return -EINVAL; if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { - config_acp_dma_channel(rtd->acp_mmio, SYSRAM_TO_ACP_CH_NUM, - PLAYBACK_START_DMA_DESCR_CH12, - NUM_DSCRS_PER_CHANNEL, 0); - config_acp_dma_channel(rtd->acp_mmio, ACP_TO_I2S_DMA_CH_NUM, - PLAYBACK_START_DMA_DESCR_CH13, - NUM_DSCRS_PER_CHANNEL, 0); + switch (rtd->i2s_play_instance) { + case I2S_BT_INSTANCE: + start_dscr_idx = PLAYBACK_START_DMA_DESCR_CH8; + config_acp_dma_channel(rtd->acp_mmio, SYSRAM_TO_ACP_BT_INSTANCE_CH_NUM, + start_dscr_idx, + NUM_DSCRS_PER_CHANNEL, 0); + config_acp_dma_channel(rtd->acp_mmio, ACP_TO_I2S_DMA_BT_INSTANCE_CH_NUM, + start_dscr_idx + 2, + NUM_DSCRS_PER_CHANNEL, 0); + break; + case I2S_SP_INSTANCE: + default: + start_dscr_idx = PLAYBACK_START_DMA_DESCR_CH12; + config_acp_dma_channel(rtd->acp_mmio, SYSRAM_TO_ACP_CH_NUM, + start_dscr_idx, + NUM_DSCRS_PER_CHANNEL, 0); + config_acp_dma_channel(rtd->acp_mmio, ACP_TO_I2S_DMA_CH_NUM, + start_dscr_idx + 2, + NUM_DSCRS_PER_CHANNEL, 0); + } } else { - config_acp_dma_channel(rtd->acp_mmio, ACP_TO_SYSRAM_CH_NUM, - CAPTURE_START_DMA_DESCR_CH14, - NUM_DSCRS_PER_CHANNEL, 0); - config_acp_dma_channel(rtd->acp_mmio, I2S_TO_ACP_DMA_CH_NUM, - CAPTURE_START_DMA_DESCR_CH15, - NUM_DSCRS_PER_CHANNEL, 0); + switch (rtd->i2s_capture_instance) { + case I2S_BT_INSTANCE: + start_dscr_idx = CAPTURE_START_DMA_DESCR_CH10; + config_acp_dma_channel(rtd->acp_mmio, ACP_TO_SYSRAM_BT_INSTANCE_CH_NUM, + start_dscr_idx, + NUM_DSCRS_PER_CHANNEL, 0); + config_acp_dma_channel(rtd->acp_mmio, I2S_TO_ACP_DMA_BT_INSTANCE_CH_NUM, + start_dscr_idx + 2, + NUM_DSCRS_PER_CHANNEL, 0); + break; + case I2S_SP_INSTANCE: + default: + start_dscr_idx = CAPTURE_START_DMA_DESCR_CH14; + config_acp_dma_channel(rtd->acp_mmio, ACP_TO_SYSRAM_CH_NUM, + start_dscr_idx, + NUM_DSCRS_PER_CHANNEL, 0); + config_acp_dma_channel(rtd->acp_mmio, I2S_TO_ACP_DMA_CH_NUM, + start_dscr_idx + 2, + NUM_DSCRS_PER_CHANNEL, 0); + } } return 0; }