source: mainline/uspace/drv/audio/sb16/pcm_iface.c@ ea6c838

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since ea6c838 was ea6c838, checked in by Jan Vesely <jano.vesely@…>, 13 years ago

Create libpcm.

Move pcm related functions and definitions there.
Make other stuff use this library.
Rename most of it on the way.

  • Property mode set to 100644
File size: 3.8 KB
Line 
1/*
2 * Copyright (c) 2011 Jan Vesely
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * - Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * - Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * - The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28/** @addtogroup drvaudiosb16
29 * @{
30 */
31/** @file
32 * Main routines of Creative Labs SoundBlaster 16 driver
33 */
34
35#include <async.h>
36#include <errno.h>
37#include <audio_pcm_iface.h>
38#include <pcm/sample_format.h>
39
40#include "dsp.h"
41
42static int sb_get_info_str(ddf_fun_t *fun, const char** name)
43{
44 if (name)
45 *name = "SB 16 DSP";
46 return EOK;
47}
48static int sb_test_format(ddf_fun_t *fun, unsigned *channels, unsigned *rate,
49 pcm_sample_format_t *format)
50{
51 assert(fun);
52 assert(fun->driver_data);
53 sb_dsp_t *dsp = fun->driver_data;
54 return sb_dsp_test_format(dsp, channels, rate, format);
55}
56static int sb_get_buffer(ddf_fun_t *fun, void **buffer, size_t *size)
57{
58 assert(fun);
59 assert(fun->driver_data);
60 sb_dsp_t *dsp = fun->driver_data;
61 return sb_dsp_get_buffer(dsp, buffer, size);
62}
63static int sb_set_event_session(ddf_fun_t *fun, async_sess_t *sess)
64{
65 assert(fun);
66 assert(fun->driver_data);
67 sb_dsp_t *dsp = fun->driver_data;
68 return sb_dsp_set_event_session(dsp, sess);
69}
70
71static int sb_release_buffer(ddf_fun_t *fun)
72{
73 assert(fun);
74 assert(fun->driver_data);
75 sb_dsp_t *dsp = fun->driver_data;
76 return sb_dsp_release_buffer(dsp);
77}
78
79static int sb_start_playback(ddf_fun_t *fun, unsigned frames,
80 unsigned channels, unsigned sample_rate, pcm_sample_format_t format)
81{
82 assert(fun);
83 assert(fun->driver_data);
84 sb_dsp_t *dsp = fun->driver_data;
85 return sb_dsp_start_playback(
86 dsp, frames, channels, sample_rate, format);
87}
88
89static int sb_stop_playback(ddf_fun_t *fun)
90{
91 assert(fun);
92 assert(fun->driver_data);
93 sb_dsp_t *dsp = fun->driver_data;
94 return sb_dsp_stop_playback(dsp);
95}
96
97static int sb_start_record(ddf_fun_t *fun, unsigned frames,
98 unsigned channels, unsigned sample_rate, pcm_sample_format_t format)
99{
100 assert(fun);
101 assert(fun->driver_data);
102 sb_dsp_t *dsp = fun->driver_data;
103 return sb_dsp_start_record(
104 dsp, frames, channels, sample_rate, format);
105}
106
107static int sb_stop_record(ddf_fun_t *fun)
108{
109 assert(fun);
110 assert(fun->driver_data);
111 sb_dsp_t *dsp = fun->driver_data;
112 return sb_dsp_stop_record(dsp);
113}
114
115audio_pcm_iface_t sb_pcm_iface = {
116 .get_info_str = sb_get_info_str,
117 .test_format = sb_test_format,
118
119 .get_buffer = sb_get_buffer,
120 .release_buffer = sb_release_buffer,
121 .set_event_session = sb_set_event_session,
122
123 .start_playback = sb_start_playback,
124 .stop_playback = sb_stop_playback,
125
126 .start_record = sb_start_record,
127 .stop_record = sb_stop_record
128};
129/**
130 * @}
131 */
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