| 1 | #ifndef __SOUND_JACK_H
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| 2 | #define __SOUND_JACK_H
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| 3 |
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| 4 | /*
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| 5 | * Jack abstraction layer
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| 6 | *
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| 7 | * Copyright 2008 Wolfson Microelectronics plc
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| 8 | *
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| 9 | *
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| 10 | * This program is free software; you can redistribute it and/or modify
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| 11 | * it under the terms of the GNU General Public License as published by
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| 12 | * the Free Software Foundation; either version 2 of the License, or
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| 13 | * (at your option) any later version.
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| 14 | *
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| 15 | * This program is distributed in the hope that it will be useful,
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| 16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 18 | * GNU General Public License for more details.
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| 19 | *
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| 20 | * You should have received a copy of the GNU General Public License
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| 21 | * along with this program; if not, write to the Free Software
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| 22 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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| 23 | *
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| 24 | */
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| 25 |
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| 26 | #include <sound/core.h>
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| 27 |
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| 28 | struct input_dev;
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| 29 |
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| 30 | /**
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| 31 | * Jack types which can be reported. These values are used as a
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| 32 | * bitmask.
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| 33 | *
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| 34 | * Note that this must be kept in sync with the lookup table in
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| 35 | * sound/core/jack.c.
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| 36 | */
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| 37 | enum snd_jack_types {
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| 38 | SND_JACK_HEADPHONE = 0x0001,
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| 39 | SND_JACK_MICROPHONE = 0x0002,
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| 40 | SND_JACK_HEADSET = SND_JACK_HEADPHONE | SND_JACK_MICROPHONE,
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| 41 | SND_JACK_LINEOUT = 0x0004,
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| 42 | SND_JACK_MECHANICAL = 0x0008, /* If detected separately */
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| 43 | SND_JACK_VIDEOOUT = 0x0010,
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| 44 | SND_JACK_AVOUT = SND_JACK_LINEOUT | SND_JACK_VIDEOOUT,
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| 45 |
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| 46 | /* Kept separate from switches to facilitate implementation */
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| 47 | SND_JACK_BTN_0 = 0x4000,
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| 48 | SND_JACK_BTN_1 = 0x2000,
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| 49 | SND_JACK_BTN_2 = 0x1000,
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| 50 | SND_JACK_BTN_3 = 0x0800,
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| 51 | SND_JACK_BTN_4 = 0x0400,
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| 52 | SND_JACK_BTN_5 = 0x0200,
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| 53 | };
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| 54 |
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| 55 | struct snd_jack {
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| 56 | struct input_dev *input_dev;
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| 57 | int registered;
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| 58 | int type;
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| 59 | const char *id;
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| 60 | char name[100];
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| 61 | unsigned int key[6]; /* Keep in sync with definitions above */
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| 62 | void *private_data;
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| 63 | void (*private_free)(struct snd_jack *);
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| 64 | };
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| 65 |
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| 66 | #ifdef CONFIG_SND_JACK
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| 67 |
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| 68 | int snd_jack_new(struct snd_card *card, const char *id, int type,
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| 69 | struct snd_jack **jack);
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| 70 | void snd_jack_set_parent(struct snd_jack *jack, struct device *parent);
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| 71 | int snd_jack_set_key(struct snd_jack *jack, enum snd_jack_types type,
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| 72 | int keytype);
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| 73 |
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| 74 | void snd_jack_report(struct snd_jack *jack, int status);
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| 75 |
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| 76 | #else
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| 77 |
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| 78 | static inline int snd_jack_new(struct snd_card *card, const char *id, int type,
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| 79 | struct snd_jack **jack)
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| 80 | {
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| 81 | return 0;
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| 82 | }
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| 83 |
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| 84 | static inline void snd_jack_set_parent(struct snd_jack *jack,
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| 85 | struct device *parent)
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| 86 | {
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| 87 | }
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| 88 |
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| 89 | static inline void snd_jack_report(struct snd_jack *jack, int status)
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| 90 | {
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| 91 | }
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| 92 |
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| 93 | #endif
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| 94 |
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| 95 | #endif
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