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// 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_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];
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 */
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