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 28 struct 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 */ 37 enum 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 SND_JACK_LINEIN = 0x0020, 46 47 /* Kept separate from switches to facilitate implementation */ 48 SND_JACK_BTN_0 = 0x4000, 49 SND_JACK_BTN_1 = 0x2000, 50 SND_JACK_BTN_2 = 0x1000, 51 SND_JACK_BTN_3 = 0x0800, 52 SND_JACK_BTN_4 = 0x0400, 53 SND_JACK_BTN_5 = 0x0200, 54 }; 55 56 /* Keep in sync with definitions above */ 57 #define SND_JACK_SWITCH_TYPES 6 58 59 struct snd_jack { 60 struct input_dev *input_dev; 61 int registered; 62 int type; 63 const char *id; 64 char name[100]; 65 unsigned int key[6]; /* Keep in sync with definitions above */ 66 void *private_data; 67 void (*private_free)(struct snd_jack *); 68 }; 69 70 #ifdef CONFIG_SND_JACK 71 72 int snd_jack_new(struct snd_card *card, const char *id, int type, 73 struct snd_jack **jack); 74 void snd_jack_set_parent(struct snd_jack *jack, struct device *parent); 75 int snd_jack_set_key(struct snd_jack *jack, enum snd_jack_types type, 76 int keytype); 77 78 void snd_jack_report(struct snd_jack *jack, int status); 79 80 #else 81 82 static inline int snd_jack_new(struct snd_card *card, const char *id, int type, 83 struct snd_jack **jack) 84 { 85 return 0; 86 } 87 88 static inline void snd_jack_set_parent(struct snd_jack *jack, 89 struct device *parent) 90 { 91 } 92 93 static inline void snd_jack_report(struct snd_jack *jack, int status) 94 { 95 } 96 97 #endif 98 99 #endif 100