Unverified Commit 7beda6a2 authored by Vijendar Mukunda's avatar Vijendar Mukunda Committed by Mark Brown
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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: default avatarVijendar Mukunda <Vijendar.Mukunda@amd.com>
Link: https://lore.kernel.org/r/20230626105356.2580125-1-Vijendar.Mukunda@amd.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 7b516208

sound/soc/amd/ps/acp63.h

+20 −0
Original line number Diff line number Diff line
@@ -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