1 /* include/linux/cpcap_audio.h 2 * 3 * Copyright (C) 2010 Google, Inc. 4 * 5 * Author: 6 * Iliyan Malchev <malchev (at) google.com> 7 * 8 * This software is licensed under the terms of the GNU General Public 9 * License version 2, as published by the Free Software Foundation, and 10 * may be copied, distributed, and modified under those terms. 11 * 12 * This program 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 */ 18 19 #ifndef _CPCAP_AUDIO_H 20 #define _CPCAP_AUDIO_H 21 22 #include <linux/ioctl.h> 23 24 #define CPCAP_AUDIO_MAGIC 'c' 25 26 #define CPCAP_AUDIO_OUT_SPEAKER 0 27 #define CPCAP_AUDIO_OUT_HEADSET 1 28 #define CPCAP_AUDIO_OUT_HEADSET_AND_SPEAKER 2 29 #define CPCAP_AUDIO_OUT_STANDBY 3 30 #define CPCAP_AUDIO_OUT_ANLG_DOCK_HEADSET 4 31 #define CPCAP_AUDIO_OUT_MAX 4 32 33 struct cpcap_audio_stream { 34 unsigned id; /* e.g., CPCAP_AUDIO_OUT_SPEAKER or CPCAP_AUDIO_IN_MIC1 */ 35 int on; /* enable/disable for output, unmute/mute for input */ 36 }; 37 38 #define CPCAP_AUDIO_OUT_SET_OUTPUT _IOW(CPCAP_AUDIO_MAGIC, 0, \ 39 const struct cpcap_audio_stream *) 40 41 #define CPCAP_AUDIO_OUT_VOL_MIN 0 42 #define CPCAP_AUDIO_OUT_VOL_MAX 15 43 44 #define CPCAP_AUDIO_OUT_SET_VOLUME _IOW(CPCAP_AUDIO_MAGIC, 1, unsigned int) 45 46 #define CPCAP_AUDIO_OUT_GET_OUTPUT \ 47 _IOR(CPCAP_AUDIO_MAGIC, 2, struct cpcap_audio_stream *) 48 #define CPCAP_AUDIO_OUT_GET_VOLUME \ 49 _IOR(CPCAP_AUDIO_MAGIC, 3, unsigned int *) 50 51 #define CPCAP_AUDIO_IN_MIC1 0 52 #define CPCAP_AUDIO_IN_MIC2 1 53 #define CPCAP_AUDIO_IN_STANDBY 2 54 #define CPCAP_AUDIO_IN_MAX 2 55 56 #define CPCAP_AUDIO_IN_SET_INPUT _IOW(CPCAP_AUDIO_MAGIC, 4, \ 57 const struct cpcap_audio_stream *) 58 59 #define CPCAP_AUDIO_IN_GET_INPUT _IOR(CPCAP_AUDIO_MAGIC, 5, \ 60 struct cpcap_audio_stream *) 61 62 #define CPCAP_AUDIO_IN_VOL_MIN 0 63 #define CPCAP_AUDIO_IN_VOL_MAX 31 64 65 #define CPCAP_AUDIO_IN_SET_VOLUME _IOW(CPCAP_AUDIO_MAGIC, 6, unsigned int) 66 67 #define CPCAP_AUDIO_IN_GET_VOLUME _IOR(CPCAP_AUDIO_MAGIC, 7, unsigned int *) 68 69 #define CPCAP_AUDIO_OUT_GET_RATE _IOR(CPCAP_AUDIO_MAGIC, 8, unsigned int *) 70 #define CPCAP_AUDIO_OUT_SET_RATE _IOW(CPCAP_AUDIO_MAGIC, 9, unsigned int) 71 #define CPCAP_AUDIO_IN_GET_RATE _IOR(CPCAP_AUDIO_MAGIC, 10, unsigned int *) 72 #define CPCAP_AUDIO_IN_SET_RATE _IOW(CPCAP_AUDIO_MAGIC, 11, unsigned int) 73 74 #define CPCAP_AUDIO_SET_BLUETOOTH_BYPASS _IOW(CPCAP_AUDIO_MAGIC, 12, unsigned int) 75 76 #endif/*_CPCAP_AUDIO_H*/ 77
