6b13f685e
 김민수
BSP 최초 추가
|
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
|
/*
* Copyright (c) 1999 by Uros Bizjak <uros@kss-loka.si>
* Takashi Iwai <tiwai@suse.de>
*
* SB16ASP/AWE32 CSP control
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#ifndef __SOUND_SB16_CSP_H
#define __SOUND_SB16_CSP_H
#include <sound/sb.h>
#include <sound/hwdep.h>
#include <linux/firmware.h>
#include <uapi/sound/sb16_csp.h>
struct snd_sb_csp;
/* indices for the known CSP programs */
enum {
CSP_PROGRAM_MULAW,
CSP_PROGRAM_ALAW,
CSP_PROGRAM_ADPCM_INIT,
CSP_PROGRAM_ADPCM_PLAYBACK,
CSP_PROGRAM_ADPCM_CAPTURE,
CSP_PROGRAM_COUNT
};
/*
* CSP operators
*/
struct snd_sb_csp_ops {
int (*csp_use) (struct snd_sb_csp * p);
int (*csp_unuse) (struct snd_sb_csp * p);
int (*csp_autoload) (struct snd_sb_csp * p, int pcm_sfmt, int play_rec_mode);
int (*csp_start) (struct snd_sb_csp * p, int sample_width, int channels);
int (*csp_stop) (struct snd_sb_csp * p);
int (*csp_qsound_transfer) (struct snd_sb_csp * p);
};
/*
* CSP private data
*/
struct snd_sb_csp {
struct snd_sb *chip; /* SB16 DSP */
int used; /* usage flag - exclusive */
char codec_name[16]; /* name of codec */
unsigned short func_nr; /* function number */
unsigned int acc_format; /* accepted PCM formats */
int acc_channels; /* accepted channels */
int acc_width; /* accepted sample width */
int acc_rates; /* accepted sample rates */
int mode; /* MODE */
int run_channels; /* current CSP channels */
int run_width; /* current sample width */
int version; /* CSP version (0x10 - 0x1f) */
int running; /* running state */
struct snd_sb_csp_ops ops; /* operators */
spinlock_t q_lock; /* locking */
int q_enabled; /* enabled flag */
int qpos_left; /* left position */
int qpos_right; /* right position */
int qpos_changed; /* position changed flag */
struct snd_kcontrol *qsound_switch;
struct snd_kcontrol *qsound_space;
struct mutex access_mutex; /* locking */
const struct firmware *csp_programs[CSP_PROGRAM_COUNT];
};
int snd_sb_csp_new(struct snd_sb *chip, int device, struct snd_hwdep ** rhwdep);
#endif /* __SOUND_SB16_CSP */
|