source: mainline/uspace/drv/audio/sb16/pcm_iface.c@ 7ca22e5

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since 7ca22e5 was 7ca22e5, checked in by Jan Vesely <jano.vesely@…>, 13 years ago

drv/audio/sb16: Accept event session and send USER_METHOD on playback interrupt.
  • 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_buffer_iface.h>
38
39#include "dsp.h"
40
41static int sb_get_info_str(ddf_fun_t *fun, const char** name)
42{
43 if (name)
44 *name = "SB 16 DSP";
45 return EOK;
46}
47/*----------------------------------------------------------------------------*/
48static int sb_get_buffer(ddf_fun_t *fun,
49 void **buffer, size_t *size, unsigned *id)
50{
51 assert(fun);
52 assert(fun->driver_data);
53 sb_dsp_t *dsp = fun->driver_data;
54 return sb_dsp_get_buffer(dsp, buffer, size, id);
55}
56static int sb_set_event_session(ddf_fun_t *fun, unsigned id, async_sess_t *sess)
57{
58 assert(fun);
59 assert(fun->driver_data);
60 sb_dsp_t *dsp = fun->driver_data;
61 return sb_dsp_set_event_session(dsp, id, sess);
62}
63/*----------------------------------------------------------------------------*/
64static int sb_release_buffer(ddf_fun_t *fun, unsigned id)
65{
66 assert(fun);
67 assert(fun->driver_data);
68 sb_dsp_t *dsp = fun->driver_data;
69 return sb_dsp_release_buffer(dsp, id);
70}
71/*----------------------------------------------------------------------------*/
72static int sb_start_playback(ddf_fun_t *fun, unsigned id, unsigned parts,
73 unsigned sample_rate, unsigned sample_size, unsigned channels, bool sign)
74{
75 assert(fun);
76 assert(fun->driver_data);
77 sb_dsp_t *dsp = fun->driver_data;
78 return sb_dsp_start_playback(
79 dsp, id, parts, sample_rate, sample_size, channels, sign);
80}
81/*----------------------------------------------------------------------------*/
82static int sb_stop_playback(ddf_fun_t *fun, unsigned id)
83{
84 assert(fun);
85 assert(fun->driver_data);
86 sb_dsp_t *dsp = fun->driver_data;
87 return sb_dsp_stop_playback(dsp, id);
88}
89/*----------------------------------------------------------------------------*/
90static int sb_start_record(ddf_fun_t *fun, unsigned id,
91 unsigned sample_rate, unsigned sample_size, unsigned channels, bool sign)
92{
93 assert(fun);
94 assert(fun->driver_data);
95 sb_dsp_t *dsp = fun->driver_data;
96 return sb_dsp_start_record(
97 dsp, id, sample_rate, sample_size, channels, sign);
98}
99/*----------------------------------------------------------------------------*/
100static int sb_stop_record(ddf_fun_t *fun, unsigned id)
101{
102 assert(fun);
103 assert(fun->driver_data);
104 sb_dsp_t *dsp = fun->driver_data;
105 return sb_dsp_stop_record(dsp, id);
106}
107/*----------------------------------------------------------------------------*/
108
109audio_pcm_buffer_iface_t sb_pcm_iface = {
110 .get_info_str = sb_get_info_str,
111
112 .get_buffer = sb_get_buffer,
113 .release_buffer = sb_release_buffer,
114 .set_event_session = sb_set_event_session,
115
116 .start_playback = sb_start_playback,
117 .stop_playback = sb_stop_playback,
118
119 .start_record = sb_start_record,
120 .stop_record = sb_stop_record
121};
122/**
123 * @}
124 */
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