59 lines
1.2 KiB
C
59 lines
1.2 KiB
C
|
// SPDX-License-Identifier: GPL-2.0
|
||
|
|
||
|
#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_compress_ops sprd_platform_compress_ops;
|
||
|
|
||
|
struct sprd_pcm_dma_params {
|
||
|
dma_addr_t dev_phys[SPRD_PCM_CHANNEL_MAX];
|
||
|
u32 datawidth[SPRD_PCM_CHANNEL_MAX];
|
||
|
u32 fragment_len[SPRD_PCM_CHANNEL_MAX];
|
||
|
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 */
|