59 lines · c
1// SPDX-License-Identifier: GPL-2.02 3#ifndef __SPRD_PCM_DMA_H4#define __SPRD_PCM_DMA_H5 6#define DRV_NAME "sprd_pcm_dma"7#define SPRD_PCM_CHANNEL_MAX 28 9extern const struct snd_compress_ops sprd_platform_compress_ops;10 11struct sprd_pcm_dma_params {12 dma_addr_t dev_phys[SPRD_PCM_CHANNEL_MAX];13 u32 datawidth[SPRD_PCM_CHANNEL_MAX];14 u32 fragment_len[SPRD_PCM_CHANNEL_MAX];15 const char *chan_name[SPRD_PCM_CHANNEL_MAX];16};17 18struct sprd_compr_playinfo {19 int total_time;20 int current_time;21 int total_data_length;22 int current_data_offset;23};24 25struct sprd_compr_params {26 u32 direction;27 u32 rate;28 u32 sample_rate;29 u32 channels;30 u32 format;31 u32 period;32 u32 periods;33 u32 info_phys;34 u32 info_size;35};36 37struct sprd_compr_callback {38 void (*drain_notify)(void *data);39 void *drain_data;40};41 42struct sprd_compr_ops {43 int (*open)(int str_id, struct sprd_compr_callback *cb);44 int (*close)(int str_id);45 int (*start)(int str_id);46 int (*stop)(int str_id);47 int (*pause)(int str_id);48 int (*pause_release)(int str_id);49 int (*drain)(int received_total);50 int (*set_params)(int str_id, struct sprd_compr_params *params);51};52 53struct sprd_compr_data {54 struct sprd_compr_ops *ops;55 struct sprd_pcm_dma_params *dma_params;56};57 58#endif /* __SPRD_PCM_DMA_H */59