1// SPDX-License-Identifier: GPL-2.0
2
3#ifndef __SPRD_PCM_DMA_H
4#define __SPRD_PCM_DMA_H
5
6#define DRV_NAME		"sprd_pcm_dma"
7#define SPRD_PCM_CHANNEL_MAX	2
8
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