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 * enum snd_jack_types - Jack types which can be reported 32 * @SND_JACK_HEADPHONE: Headphone 33 * @SND_JACK_MICROPHONE: Microphone 34 * @SND_JACK_HEADSET: Headset 35 * @SND_JACK_LINEOUT: Line out 36 * @SND_JACK_MECHANICAL: Mechanical switch 37 * @SND_JACK_VIDEOOUT: Video out 38 * @SND_JACK_AVOUT: AV (Audio Video) out 39 * @SND_JACK_LINEIN: Line in 40 * @SND_JACK_BTN_0: Button 0 41 * @SND_JACK_BTN_1: Button 1 42 * @SND_JACK_BTN_2: Button 2 43 * @SND_JACK_BTN_3: Button 3 44 * @SND_JACK_BTN_4: Button 4 45 * @SND_JACK_BTN_5: Button 5 46 * 47 * These values are used as a bitmask. 48 * 49 * Note that this must be kept in sync with the lookup table in 50 * sound/core/jack.c. 51 */ 52 enum snd_jack_types { 53 SND_JACK_HEADPHONE = 0x0001, 54 SND_JACK_MICROPHONE = 0x0002, 55 SND_JACK_HEADSET = SND_JACK_HEADPHONE | SND_JACK_MICROPHONE, 56 SND_JACK_LINEOUT = 0x0004, 57 SND_JACK_MECHANICAL = 0x0008, /* If detected separately */ 58 SND_JACK_VIDEOOUT = 0x0010, 59 SND_JACK_AVOUT = SND_JACK_LINEOUT | SND_JACK_VIDEOOUT, 60 SND_JACK_LINEIN = 0x0020, 61 62 /* Kept separate from switches to facilitate implementation */ 63 SND_JACK_BTN_0 = 0x4000, 64 SND_JACK_BTN_1 = 0x2000, 65 SND_JACK_BTN_2 = 0x1000, 66 SND_JACK_BTN_3 = 0x0800, 67 SND_JACK_BTN_4 = 0x0400, 68 SND_JACK_BTN_5 = 0x0200, 69 }; 70 71 /* Keep in sync with definitions above */ 72 #define SND_JACK_SWITCH_TYPES 6 73 74 struct snd_jack { 75 struct input_dev *input_dev; 76 int registered; 77 int type; 78 const char *id; 79 char name[100]; 80 unsigned int key[6]; /* Keep in sync with definitions above */ 81 void *private_data; 82 void (*private_free)(struct snd_jack *); 83 }; 84 85 #ifdef CONFIG_SND_JACK 86 87 int snd_jack_new(struct snd_card *card, const char *id, int type, 88 struct snd_jack **jack); 89 void snd_jack_set_parent(struct snd_jack *jack, struct device *parent); 90 int snd_jack_set_key(struct snd_jack *jack, enum snd_jack_types type, 91 int keytype); 92 93 void snd_jack_report(struct snd_jack *jack, int status); 94 95 #else 96 97 static inline int snd_jack_new(struct snd_card *card, const char *id, int type, 98 struct snd_jack **jack) 99 { 100 return 0; 101 } 102 103 static inline void snd_jack_set_parent(struct snd_jack *jack, 104 struct device *parent) 105 { 106 } 107 108 static inline int snd_jack_set_key(struct snd_jack *jack, 109 enum snd_jack_types type, 110 int keytype) 111 { 112 return 0; 113 } 114 115 static inline void snd_jack_report(struct snd_jack *jack, int status) 116 { 117 } 118 119 #endif 120 121 #endif 122