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1/*
2 * Copyright (c) 1999 by Uros Bizjak <uros@kss-loka.si>
3 * Takashi Iwai <tiwai@suse.de>
4 *
5 * SB16ASP/AWE32 CSP control
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 *
21 */
22#ifndef __SOUND_SB16_CSP_H
23#define __SOUND_SB16_CSP_H
24
25#include <sound/sb.h>
26#include <sound/hwdep.h>
27#include <linux/firmware.h>
28#include <uapi/sound/sb16_csp.h>
29
30struct snd_sb_csp;
31
32/* indices for the known CSP programs */
33enum {
34 CSP_PROGRAM_MULAW,
35 CSP_PROGRAM_ALAW,
36 CSP_PROGRAM_ADPCM_INIT,
37 CSP_PROGRAM_ADPCM_PLAYBACK,
38 CSP_PROGRAM_ADPCM_CAPTURE,
39
40 CSP_PROGRAM_COUNT
41};
42
43/*
44 * CSP operators
45 */
46struct snd_sb_csp_ops {
47 int (*csp_use) (struct snd_sb_csp * p);
48 int (*csp_unuse) (struct snd_sb_csp * p);
49 int (*csp_autoload) (struct snd_sb_csp * p, int pcm_sfmt, int play_rec_mode);
50 int (*csp_start) (struct snd_sb_csp * p, int sample_width, int channels);
51 int (*csp_stop) (struct snd_sb_csp * p);
52 int (*csp_qsound_transfer) (struct snd_sb_csp * p);
53};
54
55/*
56 * CSP private data
57 */
58struct snd_sb_csp {
59 struct snd_sb *chip; /* SB16 DSP */
60 int used; /* usage flag - exclusive */
61 char codec_name[16]; /* name of codec */
62 unsigned short func_nr; /* function number */
63 unsigned int acc_format; /* accepted PCM formats */
64 int acc_channels; /* accepted channels */
65 int acc_width; /* accepted sample width */
66 int acc_rates; /* accepted sample rates */
67 int mode; /* MODE */
68 int run_channels; /* current CSP channels */
69 int run_width; /* current sample width */
70 int version; /* CSP version (0x10 - 0x1f) */
71 int running; /* running state */
72
73 struct snd_sb_csp_ops ops; /* operators */
74
75 spinlock_t q_lock; /* locking */
76 int q_enabled; /* enabled flag */
77 int qpos_left; /* left position */
78 int qpos_right; /* right position */
79 int qpos_changed; /* position changed flag */
80
81 struct snd_kcontrol *qsound_switch;
82 struct snd_kcontrol *qsound_space;
83
84 struct mutex access_mutex; /* locking */
85
86 const struct firmware *csp_programs[CSP_PROGRAM_COUNT];
87};
88
89int snd_sb_csp_new(struct snd_sb *chip, int device, struct snd_hwdep ** rhwdep);
90#endif /* __SOUND_SB16_CSP */
1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/*
3 * Copyright (c) 1999 by Uros Bizjak <uros@kss-loka.si>
4 * Takashi Iwai <tiwai@suse.de>
5 *
6 * SB16ASP/AWE32 CSP control
7 */
8#ifndef __SOUND_SB16_CSP_H
9#define __SOUND_SB16_CSP_H
10
11#include <sound/sb.h>
12#include <sound/hwdep.h>
13#include <linux/firmware.h>
14#include <uapi/sound/sb16_csp.h>
15
16struct snd_sb_csp;
17
18/* indices for the known CSP programs */
19enum {
20 CSP_PROGRAM_MULAW,
21 CSP_PROGRAM_ALAW,
22 CSP_PROGRAM_ADPCM_INIT,
23 CSP_PROGRAM_ADPCM_PLAYBACK,
24 CSP_PROGRAM_ADPCM_CAPTURE,
25
26 CSP_PROGRAM_COUNT
27};
28
29/*
30 * CSP operators
31 */
32struct snd_sb_csp_ops {
33 int (*csp_use) (struct snd_sb_csp * p);
34 int (*csp_unuse) (struct snd_sb_csp * p);
35 int (*csp_autoload) (struct snd_sb_csp * p, snd_pcm_format_t pcm_sfmt, int play_rec_mode);
36 int (*csp_start) (struct snd_sb_csp * p, int sample_width, int channels);
37 int (*csp_stop) (struct snd_sb_csp * p);
38 int (*csp_qsound_transfer) (struct snd_sb_csp * p);
39};
40
41/*
42 * CSP private data
43 */
44struct snd_sb_csp {
45 struct snd_sb *chip; /* SB16 DSP */
46 int used; /* usage flag - exclusive */
47 char codec_name[16]; /* name of codec */
48 unsigned short func_nr; /* function number */
49 unsigned int acc_format; /* accepted PCM formats */
50 int acc_channels; /* accepted channels */
51 int acc_width; /* accepted sample width */
52 int acc_rates; /* accepted sample rates */
53 int mode; /* MODE */
54 int run_channels; /* current CSP channels */
55 int run_width; /* current sample width */
56 int version; /* CSP version (0x10 - 0x1f) */
57 int running; /* running state */
58
59 struct snd_sb_csp_ops ops; /* operators */
60
61 spinlock_t q_lock; /* locking */
62 int q_enabled; /* enabled flag */
63 int qpos_left; /* left position */
64 int qpos_right; /* right position */
65 int qpos_changed; /* position changed flag */
66
67 struct snd_kcontrol *qsound_switch;
68 struct snd_kcontrol *qsound_space;
69
70 struct mutex access_mutex; /* locking */
71
72 const struct firmware *csp_programs[CSP_PROGRAM_COUNT];
73};
74
75int snd_sb_csp_new(struct snd_sb *chip, int device, struct snd_hwdep ** rhwdep);
76#endif /* __SOUND_SB16_CSP */