1/*
2 *  Mixer Interface - AC97 simple abstact module
3 *  Copyright (c) 2005 by Jaroslav Kysela <perex@perex.cz>
4 *
5 *
6 *   This library is free software; you can redistribute it and/or modify
7 *   it under the terms of the GNU Lesser General Public License as
8 *   published by the Free Software Foundation; either version 2.1 of
9 *   the License, or (at your option) any later version.
10 *
11 *   This program is distributed in the hope that it will be useful,
12 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
13 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14 *   GNU Lesser General Public License for more details.
15 *
16 *   You should have received a copy of the GNU Lesser General Public
17 *   License along with this library; if not, write to the Free Software
18 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
19 *
20 */
21
22#include <stdio.h>
23#include <stdlib.h>
24#include <unistd.h>
25#include <string.h>
26#include <fcntl.h>
27#include <sys/ioctl.h>
28#include <math.h>
29#include "asoundlib.h"
30#include "mixer_abst.h"
31#include "sbase.h"
32
33static struct sm_elem_ops simple_ac97_ops;
34
35struct melem_sids sids[] = {
36	{
37		.sid	= SID_MASTER,
38		.sname	= "Master",
39		.sindex	= 0,
40		.weight = 1,
41		.chanmap = { 3, 0 },
42		.sops = &simple_ac97_ops,
43	}
44};
45
46#define SELECTORS (sizeof(selectors)/sizeof(selectors[0]))
47
48struct helem_selector selectors[] = {
49	{
50		.iface =	SND_CTL_ELEM_IFACE_MIXER,
51		.name =		"Master Playback Volume",
52		.index = 	0,
53		.sid =		SID_MASTER,
54		.purpose =	PURPOSE_VOLUME,
55		.caps = 	SM_CAP_PVOLUME,
56	},
57	{
58		.iface =	SND_CTL_ELEM_IFACE_MIXER,
59		.name =		"Master Playback Switch",
60		.index = 	0,
61		.sid =		SID_MASTER,
62		.purpose =	PURPOSE_SWITCH,
63		.caps = 	SM_CAP_PSWITCH,
64	}
65};
66
67int alsa_mixer_simple_event(snd_mixer_class_t *class, unsigned int mask,
68			    snd_hctl_elem_t *helem, snd_mixer_elem_t *melem)
69{
70	struct bclass_private *priv = snd_mixer_sbasic_get_private(class);
71	return priv->ops.event(class, mask, helem, melem);
72}
73
74int alsa_mixer_simple_init(snd_mixer_class_t *class)
75{
76	struct bclass_base_ops *ops;
77	int err;
78
79	err = mixer_simple_basic_dlopen(class, &ops);
80	if (err < 0)
81		return 0;
82	err = ops->selreg(class, selectors, SELECTORS);
83	if (err < 0)
84		return err;
85	err = ops->sidreg(class, sids, SELECTORS);
86	if (err < 0)
87		return err;
88	return 0;
89}
90