diff options
| author | Vijendar Mukunda <Vijendar.Mukunda@amd.com> | 2023-06-26 16:23:49 +0530 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2023-06-26 13:28:56 +0100 |
| commit | 7beda6a256ed10e74dc00fcd0fc8da0ad8fea78d (patch) | |
| tree | 0aeb8b8f9b0481c556f4282321a783d4c1b269b1 /sound | |
| parent | 7b5162080174ae50e8288574379d339b0fcd1760 (diff) | |
ASoC: amd: ps: add comments for DMA irq bits mapping
Add comments for DMA stream id and IRQ bit mapping in
ACP_EXTERNAL_CNTL & ACP_EXTERNAL_CNTL1 registers for
SDW0 and SDW1 manager instances.
Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Link: https://lore.kernel.org/r/20230626105356.2580125-1-Vijendar.Mukunda@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/soc/amd/ps/acp63.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/sound/soc/amd/ps/acp63.h b/sound/soc/amd/ps/acp63.h index e96e6dc9d90f..733a16e23d32 100644 --- a/sound/soc/amd/ps/acp63.h +++ b/sound/soc/amd/ps/acp63.h @@ -116,8 +116,28 @@ #define ACP63_SDW0_DMA_MAX_STREAMS 6 #define ACP63_SDW1_DMA_MAX_STREAMS 2 #define ACP_P1_AUDIO_TX_THRESHOLD 6 + +/* + * Below entries describes SDW0 instance DMA stream id and DMA irq bit mapping + * in ACP_EXTENAL_INTR_CNTL register. + * Stream id IRQ Bit + * 0 (SDW0_AUDIO0_TX) 28 + * 1 (SDW0_AUDIO1_TX) 26 + * 2 (SDW0_AUDIO2_TX) 24 + * 3 (SDW0_AUDIO0_RX) 27 + * 4 (SDW0_AUDIO1_RX) 25 + * 5 (SDW0_AUDIO2_RX) 23 + */ #define SDW0_DMA_TX_IRQ_MASK(i) (ACP_AUDIO0_TX_THRESHOLD - (2 * (i))) #define SDW0_DMA_RX_IRQ_MASK(i) (ACP_AUDIO0_RX_THRESHOLD - (2 * (i))) + +/* + * Below entries describes SDW1 instance DMA stream id and DMA irq bit mapping + * in ACP_EXTENAL_INTR_CNTL1 register. + * Stream id IRQ Bit + * 0 (SDW1_AUDIO1_TX) 6 + * 1 (SDW1_AUDIO1_RX) 5 + */ #define SDW1_DMA_IRQ_MASK(i) (ACP_P1_AUDIO_TX_THRESHOLD - (i)) #define ACP_DELAY_US 5 |