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
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
|
/* Copyright (c) 2010-2015, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
#include <linux/msm_audio.h>
#include <linux/compat.h>
#include "q6audio_common.h"
#define FRAME_NUM (8)
#define PCM_BUF_COUNT (2)
#define AUD_EOS_SET 0x01
#define TUNNEL_MODE 0x0000
#define NON_TUNNEL_MODE 0x0001
#define NO_BUF_ALLOC 0x00
#define BUF_ALLOC_IN 0x01
#define BUF_ALLOC_OUT 0x02
#define BUF_ALLOC_INOUT 0x03
#define ALIGN_BUF_SIZE(size) ((size + 4095) & (~4095))
struct timestamp {
u32 lowpart;
u32 highpart;
} __packed;
struct meta_in {
unsigned short offset;
struct timestamp ntimestamp;
unsigned int nflags;
} __packed;
struct meta_out_dsp {
u32 offset_to_frame;
u32 frame_size;
u32 encoded_pcm_samples;
u32 msw_ts;
u32 lsw_ts;
u32 nflags;
} __packed;
struct meta_out {
unsigned char num_of_frames;
struct meta_out_dsp meta_out_dsp[];
} __packed;
struct q6audio_in {
spinlock_t dsp_lock;
atomic_t in_bytes;
atomic_t in_samples;
struct mutex lock;
struct mutex read_lock;
struct mutex write_lock;
wait_queue_head_t read_wait;
wait_queue_head_t write_wait;
struct audio_client *ac;
struct msm_audio_stream_config str_cfg;
void *enc_cfg;
struct msm_audio_buf_cfg buf_cfg;
struct msm_audio_config pcm_cfg;
void *codec_cfg;
/* number of buffers available to read/write */
atomic_t in_count;
atomic_t out_count;
/* first idx: num of frames per buf, second idx: offset to frame */
uint32_t out_frame_info[FRAME_NUM][2];
int eos_rsp;
int opened;
int enabled;
int stopped;
int event_abort;
int feedback; /* Flag indicates whether used
in Non Tunnel mode */
int rflush;
int wflush;
int buf_alloc;
uint16_t min_frame_size;
uint16_t max_frames_per_buf;
bool reset_event;
long (*enc_ioctl)(struct file *, unsigned int, unsigned long);
long (*enc_compat_ioctl)(struct file *, unsigned int, unsigned long);
};
int audio_in_enable(struct q6audio_in *audio);
int audio_in_disable(struct q6audio_in *audio);
int audio_in_buf_alloc(struct q6audio_in *audio);
long audio_in_ioctl(struct file *file,
unsigned int cmd, unsigned long arg);
#ifdef CONFIG_COMPAT
long audio_in_compat_ioctl(struct file *file,
unsigned int cmd, unsigned long arg);
#else
#define audio_in_compat_ioctl NULL
#endif
ssize_t audio_in_read(struct file *file, char __user *buf,
size_t count, loff_t *pos);
ssize_t audio_in_write(struct file *file, const char __user *buf,
size_t count, loff_t *pos);
int audio_in_release(struct inode *inode, struct file *file);
int audio_in_set_config(struct file *file, struct msm_audio_config *cfg);
|
