source: mainline/uspace/drv/audio/hdaudio/hdaudio.h

Last change on this file was 0e4c5f0, checked in by Jiri Svoboda <jiri@…>, 10 years ago

hdaudio capture support. wavplay fixes to recording code.

  • Property mode set to 100644
File size: 2.1 KB
RevLine 
[b229062]1/*
2 * Copyright (c) 2014 Jiri Svoboda
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
29/** @addtogroup hdaudio
30 * @{
31 */
[7978d1e7]32/** @file High Definition Audio driver
[b229062]33 */
34
35#ifndef HDAUDIO_H
36#define HDAUDIO_H
37
38#include <async.h>
39#include <ddf/driver.h>
[57a2208]40#include <fibril_synch.h>
41#include <stdbool.h>
[b229062]42#include <stdint.h>
43
[7978d1e7]44#include "spec/regs.h"
[b229062]45
[7978d1e7]46/** High Definition Audio driver instance */
[a333b7f]47typedef struct hda {
[57a2208]48 fibril_mutex_t lock;
[b229062]49 async_sess_t *parent_sess;
[159c722d]50 async_sess_t *ev_sess;
[93c3163]51 ddf_fun_t *fun_pcm;
[b229062]52 uint64_t rwbase;
53 size_t rwsize;
54 hda_regs_t *regs;
55 struct hda_ctl *ctl;
[99cb9bf]56 struct hda_stream *pcm_stream;
[0e4c5f0]57 struct hda_stream_buffers *pcm_buffers;
[57a2208]58 bool playing;
[0e4c5f0]59 bool capturing;
[b229062]60} hda_t;
61
[57a2208]62extern void hda_lock(hda_t *);
63extern void hda_unlock(hda_t *);
64
[b229062]65#endif
66
67/** @}
68 */
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