blob: 1a7f0884ac9ce61aa79c83eed584934060d0f8d1 (
plain) (
blame)
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
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
|
/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright 2011 Broadcom Corporation. All rights reserved. */
#ifndef _VC_AUDIO_DEFS_H_
#define _VC_AUDIO_DEFS_H_
#define VC_AUDIOSERV_MIN_VER 1
#define VC_AUDIOSERV_VER 2
/* FourCC code used for VCHI connection */
#define VC_AUDIO_SERVER_NAME MAKE_FOURCC("AUDS")
/*
* List of screens that are currently supported
* All message types supported for HOST->VC direction
*/
enum vc_audio_msg_type {
VC_AUDIO_MSG_TYPE_RESULT, // Generic result
VC_AUDIO_MSG_TYPE_COMPLETE, // Generic result
VC_AUDIO_MSG_TYPE_CONFIG, // Configure audio
VC_AUDIO_MSG_TYPE_CONTROL, // Configure audio
VC_AUDIO_MSG_TYPE_OPEN, // Configure audio
VC_AUDIO_MSG_TYPE_CLOSE, // Configure audio
VC_AUDIO_MSG_TYPE_START, // Configure audio
VC_AUDIO_MSG_TYPE_STOP, // Configure audio
VC_AUDIO_MSG_TYPE_WRITE, // Configure audio
VC_AUDIO_MSG_TYPE_MAX
};
/* configure the audio */
struct vc_audio_config {
u32 channels;
u32 samplerate;
u32 bps;
};
struct vc_audio_control {
u32 volume;
u32 dest;
};
struct vc_audio_open {
u32 dummy;
};
struct vc_audio_close {
u32 dummy;
};
struct vc_audio_start {
u32 dummy;
};
struct vc_audio_stop {
u32 draining;
};
/* configure the write audio samples */
struct vc_audio_write {
u32 count; // in bytes
u32 cookie1;
u32 cookie2;
s16 silence;
s16 max_packet;
};
/* Generic result for a request (VC->HOST) */
struct vc_audio_result {
s32 success; // Success value
};
/* Generic result for a request (VC->HOST) */
struct vc_audio_complete {
s32 count; // Success value
u32 cookie1;
u32 cookie2;
};
/* Message header for all messages in HOST->VC direction */
struct vc_audio_msg {
s32 type; /* Message type (VC_AUDIO_MSG_TYPE) */
union {
struct vc_audio_config config;
struct vc_audio_control control;
struct vc_audio_open open;
struct vc_audio_close close;
struct vc_audio_start start;
struct vc_audio_stop stop;
struct vc_audio_write write;
struct vc_audio_result result;
struct vc_audio_complete complete;
} u;
};
#endif /* _VC_AUDIO_DEFS_H_ */
|