1/* SPDX-License-Identifier: GPL-2.0+ */
 2/*
 3 * Digital Beep Input Interface for HD-audio codec
 4 *
 5 * Author: Matt Ranostay <matt.ranostay@konsulko.com>
 6 * Copyright (c) 2008 Embedded Alley Solutions Inc
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 7 */
 8
 9#ifndef __SOUND_HDA_BEEP_H
10#define __SOUND_HDA_BEEP_H
11
12#include <sound/hda_codec.h>
13
14#define HDA_BEEP_MODE_OFF	0
15#define HDA_BEEP_MODE_ON	1
 
16
17/* beep information */
18struct hda_beep {
19	struct input_dev *dev;
20	struct hda_codec *codec;
 
21	char phys[32];
22	int tone;
23	hda_nid_t nid;
24	unsigned int registered:1;
25	unsigned int enabled:1;
 
26	unsigned int linear_tone:1;	/* linear tone for IDT/STAC codec */
27	unsigned int playing:1;
 
28	struct work_struct beep_work; /* scheduled task for beep event */
29	struct mutex mutex;
30	void (*power_hook)(struct hda_beep *beep, bool on);
31};
32
33#ifdef CONFIG_SND_HDA_INPUT_BEEP
34int snd_hda_enable_beep_device(struct hda_codec *codec, int enable);
35int snd_hda_attach_beep_device(struct hda_codec *codec, int nid);
36void snd_hda_detach_beep_device(struct hda_codec *codec);
37#else
38static inline int snd_hda_attach_beep_device(struct hda_codec *codec, int nid)
39{
40	return 0;
41}
42static inline void snd_hda_detach_beep_device(struct hda_codec *codec)
43{
44}
45#endif
46#endif

 
 1/*
 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
27#define HDA_BEEP_MODE_OFF	0
28#define HDA_BEEP_MODE_ON	1
29#define HDA_BEEP_MODE_SWREG	2
30
31/* beep information */
32struct hda_beep {
33	struct input_dev *dev;
34	struct hda_codec *codec;
35	unsigned int mode;
36	char phys[32];
37	int tone;
38	hda_nid_t nid;
 
39	unsigned int enabled:1;
40	unsigned int request_enable:1;
41	unsigned int linear_tone:1;	/* linear tone for IDT/STAC codec */
42	struct work_struct register_work; /* registration work */
43	struct delayed_work unregister_work; /* unregistration work */
44	struct work_struct beep_work; /* scheduled task for beep event */
45	struct mutex mutex;
 
46};
47
48#ifdef CONFIG_SND_HDA_INPUT_BEEP
49int snd_hda_enable_beep_device(struct hda_codec *codec, int enable);
50int snd_hda_attach_beep_device(struct hda_codec *codec, int nid);
51void snd_hda_detach_beep_device(struct hda_codec *codec);
52#else
53static inline int snd_hda_attach_beep_device(struct hda_codec *codec, int nid)
54{
55	return 0;
56}
57static inline void snd_hda_detach_beep_device(struct hda_codec *codec)
58{
59}
60#endif
61#endif