1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
|
/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Intel Baytrail SST IPC Support
* Copyright (c) 2014, Intel Corporation.
*/
#ifndef __SST_BYT_IPC_H
#define __SST_BYT_IPC_H
#include <linux/types.h>
struct sst_byt;
struct sst_byt_stream;
struct sst_pdata;
extern struct sst_ops sst_byt_ops;
#define SST_BYT_MAILBOX_OFFSET 0x144000
#define SST_BYT_TIMESTAMP_OFFSET (SST_BYT_MAILBOX_OFFSET + 0x800)
/**
* Upfront defined maximum message size that is
* expected by the in/out communication pipes in FW.
*/
#define SST_BYT_IPC_MAX_PAYLOAD_SIZE 200
/* stream API */
struct sst_byt_stream *sst_byt_stream_new(struct sst_byt *byt, int id,
uint32_t (*get_write_position)(struct sst_byt_stream *stream,
void *data),
void *data);
/* stream configuration */
int sst_byt_stream_set_bits(struct sst_byt *byt, struct sst_byt_stream *stream,
int bits);
int sst_byt_stream_set_channels(struct sst_byt *byt,
struct sst_byt_stream *stream, u8 channels);
int sst_byt_stream_set_rate(struct sst_byt *byt, struct sst_byt_stream *stream,
unsigned int rate);
int sst_byt_stream_type(struct sst_byt *byt, struct sst_byt_stream *stream,
int codec_type, int stream_type, int operation);
int sst_byt_stream_buffer(struct sst_byt *byt, struct sst_byt_stream *stream,
uint32_t buffer_addr, uint32_t buffer_size);
int sst_byt_stream_commit(struct sst_byt *byt, struct sst_byt_stream *stream);
int sst_byt_stream_free(struct sst_byt *byt, struct sst_byt_stream *stream);
/* stream ALSA trigger operations */
int sst_byt_stream_start(struct sst_byt *byt, struct sst_byt_stream *stream,
u32 start_offset);
int sst_byt_stream_stop(struct sst_byt *byt, struct sst_byt_stream *stream);
int sst_byt_stream_pause(struct sst_byt *byt, struct sst_byt_stream *stream);
int sst_byt_stream_resume(struct sst_byt *byt, struct sst_byt_stream *stream);
int sst_byt_get_dsp_position(struct sst_byt *byt,
struct sst_byt_stream *stream, int buffer_size);
/* init */
int sst_byt_dsp_init(struct device *dev, struct sst_pdata *pdata);
void sst_byt_dsp_free(struct device *dev, struct sst_pdata *pdata);
struct sst_dsp *sst_byt_get_dsp(struct sst_byt *byt);
int sst_byt_dsp_suspend_late(struct device *dev, struct sst_pdata *pdata);
int sst_byt_dsp_boot(struct device *dev, struct sst_pdata *pdata);
int sst_byt_dsp_wait_for_ready(struct device *dev, struct sst_pdata *pdata);
#endif
|
