projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1cd2224c MR |
1 | /* |
| 2 | * Digital Beep Input Interface for HD-audio codec | |
| 3 | * | |
| f267f9df | 4 | * Author: Matt Ranostay <mranostay@gmail.com> |
| 1cd2224c MR |
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 | ||
| 9bb1fe39 TI |
27 | #define HDA_BEEP_MODE_OFF 0 |
| 28 | #define HDA_BEEP_MODE_ON 1 | |
| 2dca0bba | 29 | |
| 1cd2224c MR |
30 | /* beep information */ |
| 31 | struct hda_beep { | |
| 32 | struct input_dev *dev; | |
| 33 | struct hda_codec *codec; | |
| 34 | char phys[32]; | |
| 35 | int tone; | |
| fa797966 | 36 | hda_nid_t nid; |
| d604b399 | 37 | unsigned int registered:1; |
| fa797966 TI |
38 | unsigned int enabled:1; |
| 39 | unsigned int linear_tone:1; /* linear tone for IDT/STAC codec */ | |
| e914b25e | 40 | unsigned int playing:1; |
| 1cd2224c | 41 | struct work_struct beep_work; /* scheduled task for beep event */ |
| 123c07ae | 42 | struct mutex mutex; |
| 5ccf835c | 43 | void (*power_hook)(struct hda_beep *beep, bool on); |
| 1cd2224c MR |
44 | }; |
| 45 | ||
| 46 | #ifdef CONFIG_SND_HDA_INPUT_BEEP | |
| 123c07ae | 47 | int snd_hda_enable_beep_device(struct hda_codec *codec, int enable); |
| 1cd2224c MR |
48 | int snd_hda_attach_beep_device(struct hda_codec *codec, int nid); |
| 49 | void snd_hda_detach_beep_device(struct hda_codec *codec); | |
| d604b399 | 50 | int snd_hda_register_beep_device(struct hda_codec *codec); |
| 1cd2224c | 51 | #else |
| 2308f4ad JP |
52 | static inline int snd_hda_attach_beep_device(struct hda_codec *codec, int nid) |
| 53 | { | |
| 54 | return 0; | |
| 55 | } | |
| ca2585af | 56 | static inline void snd_hda_detach_beep_device(struct hda_codec *codec) |
| 2308f4ad JP |
57 | { |
| 58 | } | |
| d604b399 TI |
59 | static inline int snd_hda_register_beep_device(struct hda_codec *codec) |
| 60 | { | |
| 61 | return 0; | |
| 62 | } | |
| 1cd2224c MR |
63 | #endif |
| 64 | #endif |