diff options
Diffstat (limited to 'sound/soc/sprd/sprd-pcm-dma.h')
| -rw-r--r-- | sound/soc/sprd/sprd-pcm-dma.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/sound/soc/sprd/sprd-pcm-dma.h b/sound/soc/sprd/sprd-pcm-dma.h index d85a34f1461d..08e9fdba82f1 100644 --- a/sound/soc/sprd/sprd-pcm-dma.h +++ b/sound/soc/sprd/sprd-pcm-dma.h @@ -3,8 +3,11 @@ #ifndef __SPRD_PCM_DMA_H #define __SPRD_PCM_DMA_H +#define DRV_NAME "sprd_pcm_dma" #define SPRD_PCM_CHANNEL_MAX 2 +extern const struct snd_compr_ops sprd_platform_compr_ops; + struct sprd_pcm_dma_params { dma_addr_t dev_phys[SPRD_PCM_CHANNEL_MAX]; u32 datawidth[SPRD_PCM_CHANNEL_MAX]; @@ -12,4 +15,44 @@ struct sprd_pcm_dma_params { const char *chan_name[SPRD_PCM_CHANNEL_MAX]; }; +struct sprd_compr_playinfo { + int total_time; + int current_time; + int total_data_length; + int current_data_offset; +}; + +struct sprd_compr_params { + u32 direction; + u32 rate; + u32 sample_rate; + u32 channels; + u32 format; + u32 period; + u32 periods; + u32 info_phys; + u32 info_size; +}; + +struct sprd_compr_callback { + void (*drain_notify)(void *data); + void *drain_data; +}; + +struct sprd_compr_ops { + int (*open)(int str_id, struct sprd_compr_callback *cb); + int (*close)(int str_id); + int (*start)(int str_id); + int (*stop)(int str_id); + int (*pause)(int str_id); + int (*pause_release)(int str_id); + int (*drain)(int received_total); + int (*set_params)(int str_id, struct sprd_compr_params *params); +}; + +struct sprd_compr_data { + struct sprd_compr_ops *ops; + struct sprd_pcm_dma_params *dma_params; +}; + #endif /* __SPRD_PCM_DMA_H */ |