source: mainline/uspace/drv/audio/sb16/pcm_iface.c@ 20840922

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since 20840922 was 1ba95ba, checked in by Jan Vesely <jano.vesely@…>, 13 years ago

sb16: Implement and enable buffer position capability.
  • Property mode set to 100644
File size: 4.2 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}
48
49static unsigned sb_query_cap(ddf_fun_t *fun, audio_cap_t cap)
50{
51 assert(fun);
52 assert(fun->driver_data);
53 sb_dsp_t *dsp = fun->driver_data;
54 return sb_dsp_query_cap(dsp, cap);
55}
56
57static int sb_test_format(ddf_fun_t *fun, unsigned *channels, unsigned *rate,
58 pcm_sample_format_t *format)
59{
60 assert(fun);
61 assert(fun->driver_data);
62 sb_dsp_t *dsp = fun->driver_data;
63 return sb_dsp_test_format(dsp, channels, rate, format);
64}
65static int sb_get_buffer(ddf_fun_t *fun, void **buffer, size_t *size)
66{
67 assert(fun);
68 assert(fun->driver_data);
69 sb_dsp_t *dsp = fun->driver_data;
70 return sb_dsp_get_buffer(dsp, buffer, size);
71}
72
73static int sb_get_buffer_position(ddf_fun_t *fun, size_t *size)
74{
75 assert(fun);
76 assert(fun->driver_data);
77 sb_dsp_t *dsp = fun->driver_data;
78 return sb_dsp_get_buffer_position(dsp, size);
79}
80
81static int sb_set_event_session(ddf_fun_t *fun, async_sess_t *sess)
82{
83 assert(fun);
84 assert(fun->driver_data);
85 sb_dsp_t *dsp = fun->driver_data;
86 return sb_dsp_set_event_session(dsp, sess);
87}
88
89static int sb_release_buffer(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_release_buffer(dsp);
95}
96
97static int sb_start_playback(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_playback(
104 dsp, frames, channels, sample_rate, format);
105}
106
107static int sb_stop_playback(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_playback(dsp);
113}
114
115static int sb_start_capture(ddf_fun_t *fun, unsigned frames,
116 unsigned channels, unsigned sample_rate, pcm_sample_format_t format)
117{
118 assert(fun);
119 assert(fun->driver_data);
120 sb_dsp_t *dsp = fun->driver_data;
121 return sb_dsp_start_capture(
122 dsp, frames, channels, sample_rate, format);
123}
124
125static int sb_stop_capture(ddf_fun_t *fun)
126{
127 assert(fun);
128 assert(fun->driver_data);
129 sb_dsp_t *dsp = fun->driver_data;
130 return sb_dsp_stop_capture(dsp);
131}
132
133audio_pcm_iface_t sb_pcm_iface = {
134 .get_info_str = sb_get_info_str,
135 .test_format = sb_test_format,
136 .query_cap = sb_query_cap,
137
138 .get_buffer = sb_get_buffer,
139 .release_buffer = sb_release_buffer,
140 .set_event_session = sb_set_event_session,
141 .get_buffer_pos = sb_get_buffer_position,
142
143 .start_playback = sb_start_playback,
144 .stop_playback = sb_stop_playback,
145
146 .start_capture = sb_start_capture,
147 .stop_capture = sb_stop_capture,
148};
149/**
150 * @}
151 */
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