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