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Matthew Ranostay1cd22242008-07-18 18:20:52 +02001/*
2 * Digital Beep Input Interface for HD-audio codec
3 *
4 * Author: Matthew Ranostay <mranostay@embeddedalley.com>
5 * Copyright (c) 2008 Embedded Alley Solutions Inc
6 *
7 * This driver is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * This driver is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 */
21
22#ifndef __SOUND_HDA_BEEP_H
23#define __SOUND_HDA_BEEP_H
24
25#include "hda_codec.h"
26
Takashi Iwai9bb1fe32009-11-16 15:33:49 +010027#define HDA_BEEP_MODE_OFF 0
28#define HDA_BEEP_MODE_ON 1
Jaroslav Kysela2dca0bb2009-11-13 18:41:52 +010029#define HDA_BEEP_MODE_SWREG 2
30
Matthew Ranostay1cd22242008-07-18 18:20:52 +020031/* beep information */
32struct hda_beep {
33 struct input_dev *dev;
34 struct hda_codec *codec;
Jaroslav Kysela2dca0bb2009-11-13 18:41:52 +010035 unsigned int mode;
Matthew Ranostay1cd22242008-07-18 18:20:52 +020036 char phys[32];
37 int tone;
Takashi Iwaifa797962009-05-19 12:50:04 +020038 hda_nid_t nid;
39 unsigned int enabled:1;
Jaroslav Kysela123c07a2009-10-21 14:48:23 +020040 unsigned int request_enable:1;
Takashi Iwaifa797962009-05-19 12:50:04 +020041 unsigned int linear_tone:1; /* linear tone for IDT/STAC codec */
Jaroslav Kysela13dab082009-11-03 14:29:50 +010042 struct work_struct register_work; /* registration work */
43 struct delayed_work unregister_work; /* unregistration work */
Matthew Ranostay1cd22242008-07-18 18:20:52 +020044 struct work_struct beep_work; /* scheduled task for beep event */
Jaroslav Kysela123c07a2009-10-21 14:48:23 +020045 struct mutex mutex;
Matthew Ranostay1cd22242008-07-18 18:20:52 +020046};
47
48#ifdef CONFIG_SND_HDA_INPUT_BEEP
Jaroslav Kysela123c07a2009-10-21 14:48:23 +020049int snd_hda_enable_beep_device(struct hda_codec *codec, int enable);
Matthew Ranostay1cd22242008-07-18 18:20:52 +020050int snd_hda_attach_beep_device(struct hda_codec *codec, int nid);
51void snd_hda_detach_beep_device(struct hda_codec *codec);
52#else
Joe Perches2308f4a2011-06-12 13:02:43 -070053static inline int snd_hda_attach_beep_device(struct hda_codec *codec, int nid)
54{
55 return 0;
56}
Takashi Iwaica2585a2011-06-14 08:14:32 +020057static inline void snd_hda_detach_beep_device(struct hda_codec *codec)
Joe Perches2308f4a2011-06-12 13:02:43 -070058{
59}
Matthew Ranostay1cd22242008-07-18 18:20:52 +020060#endif
61#endif