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| author | Ravulapati Vishnu vardhan rao <Vishnuvardhanrao.Ravulapati@amd.com> | 2019-12-28 16:40:55 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2019-12-31 03:22:12 +0300 |
| commit | c9fe7db6e884d0ab8c55d4ed4660fb19400acf2e (patch) | |
| tree | 0ba6c3b2000232fe9de3ddc03ec1a852fc71f1bb /sound/soc/amd/raven/acp3x.h | |
| parent | 3863857dd5ca3e60685c6b49a7873fda727ff233 (diff) | |
| download | linux-c9fe7db6e884d0ab8c55d4ed4660fb19400acf2e.tar.xz | |
ASoC: amd: Refactoring of DAI from DMA driver
ASoC: PCM DMA driver should only have dma ops.
So Removed all DAI related functionality.Refactoring
the PCM DMA diver code.Added new file containing only DAI ops
Signed-off-by: Ravulapati Vishnu vardhan rao <Vishnuvardhanrao.Ravulapati@amd.com>
Link: https://lore.kernel.org/r/1577540460-21438-2-git-send-email-Vishnuvardhanrao.Ravulapati@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/amd/raven/acp3x.h')
| -rw-r--r-- | sound/soc/amd/raven/acp3x.h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/sound/soc/amd/raven/acp3x.h b/sound/soc/amd/raven/acp3x.h index 2f15fe10ead5..a1f03fce68fa 100644 --- a/sound/soc/amd/raven/acp3x.h +++ b/sound/soc/amd/raven/acp3x.h @@ -6,6 +6,7 @@ */ #include "chip_offset_byte.h" +#include <sound/pcm.h> #define ACP3x_DEVS 3 #define ACP3x_PHY_BASE_ADDRESS 0x1240000 @@ -51,6 +52,30 @@ #define SLOT_WIDTH_24 0x18 #define SLOT_WIDTH_32 0x20 +struct acp3x_platform_info { + u16 play_i2s_instance; + u16 cap_i2s_instance; + u16 capture_channel; +}; + +struct i2s_dev_data { + bool tdm_mode; + unsigned int i2s_irq; + u32 tdm_fmt; + u32 substream_type; + void __iomem *acp3x_base; + struct snd_pcm_substream *play_stream; + struct snd_pcm_substream *capture_stream; +}; + +struct i2s_stream_instance { + u16 num_pages; + u16 channels; + u32 xfer_resolution; + u64 bytescount; + dma_addr_t dma_addr; + void __iomem *acp3x_base; +}; static inline u32 rv_readl(void __iomem *base_addr) { @@ -61,3 +86,22 @@ static inline void rv_writel(u32 val, void __iomem *base_addr) { writel(val, base_addr - ACP3x_PHY_BASE_ADDRESS); } + +static inline u64 acp_get_byte_count(struct i2s_stream_instance *rtd, + int direction) +{ + u64 byte_count; + + if (direction == SNDRV_PCM_STREAM_PLAYBACK) { + byte_count = rv_readl(rtd->acp3x_base + + mmACP_BT_TX_LINEARPOSITIONCNTR_HIGH); + byte_count |= rv_readl(rtd->acp3x_base + + mmACP_BT_TX_LINEARPOSITIONCNTR_LOW); + } else { + byte_count = rv_readl(rtd->acp3x_base + + mmACP_BT_RX_LINEARPOSITIONCNTR_HIGH); + byte_count |= rv_readl(rtd->acp3x_base + + mmACP_BT_RX_LINEARPOSITIONCNTR_LOW); + } + return byte_count; +} |