1 /* include/linux/msm_audio.h 2 * 3 * Copyright (C) 2008 Google, Inc. 4 * 5 * This software is licensed under the terms of the GNU General Public 6 * License version 2, as published by the Free Software Foundation, and 7 * may be copied, distributed, and modified under those terms. 8 * 9 * This program is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 * GNU General Public License for more details. 13 * 14 */ 15 16 #ifndef __LINUX_MSM_AUDIO_H 17 #define __LINUX_MSM_AUDIO_H 18 19 #include <linux/types.h> 20 #include <linux/ioctl.h> 21 #include <asm/sizes.h> 22 23 /* PCM Audio */ 24 25 #define AUDIO_IOCTL_MAGIC 'a' 26 27 #define AUDIO_START _IOW(AUDIO_IOCTL_MAGIC, 0, unsigned) 28 #define AUDIO_STOP _IOW(AUDIO_IOCTL_MAGIC, 1, unsigned) 29 #define AUDIO_FLUSH _IOW(AUDIO_IOCTL_MAGIC, 2, unsigned) 30 #define AUDIO_GET_CONFIG _IOR(AUDIO_IOCTL_MAGIC, 3, unsigned) 31 #define AUDIO_SET_CONFIG _IOW(AUDIO_IOCTL_MAGIC, 4, unsigned) 32 #define AUDIO_GET_STATS _IOR(AUDIO_IOCTL_MAGIC, 5, unsigned) 33 #define AUDIO_ENABLE_AUDPP _IOW(AUDIO_IOCTL_MAGIC, 6, unsigned) 34 #define AUDIO_SET_ADRC _IOW(AUDIO_IOCTL_MAGIC, 7, unsigned) 35 #define AUDIO_SET_EQ _IOW(AUDIO_IOCTL_MAGIC, 8, unsigned) 36 #define AUDIO_SET_RX_IIR _IOW(AUDIO_IOCTL_MAGIC, 9, unsigned) 37 #define AUDIO_SET_VOLUME _IOW(AUDIO_IOCTL_MAGIC, 10, unsigned) 38 #define AUDIO_ENABLE_AUDPRE _IOW(AUDIO_IOCTL_MAGIC, 11, unsigned) 39 #define AUDIO_SET_AGC _IOW(AUDIO_IOCTL_MAGIC, 12, unsigned) 40 #define AUDIO_SET_NS _IOW(AUDIO_IOCTL_MAGIC, 13, unsigned) 41 #define AUDIO_SET_TX_IIR _IOW(AUDIO_IOCTL_MAGIC, 14, unsigned) 42 43 struct msm_audio_config { 44 uint32_t buffer_size; 45 uint32_t buffer_count; 46 uint32_t channel_count; 47 uint32_t sample_rate; 48 uint32_t type; 49 uint32_t unused[3]; 50 }; 51 52 struct msm_audio_stats { 53 uint32_t byte_count; 54 uint32_t sample_count; 55 uint32_t unused[2]; 56 }; 57 58 /* Audio routing */ 59 60 #define SND_IOCTL_MAGIC 's' 61 62 #define SND_MUTE_UNMUTED 0 63 #define SND_MUTE_MUTED 1 64 65 struct msm_snd_device_config { 66 uint32_t device; 67 uint32_t ear_mute; 68 uint32_t mic_mute; 69 }; 70 71 #define SND_SET_DEVICE _IOW(SND_IOCTL_MAGIC, 2, struct msm_device_config *) 72 73 #define SND_METHOD_VOICE 0 74 75 struct msm_snd_volume_config { 76 uint32_t device; 77 uint32_t method; 78 uint32_t volume; 79 }; 80 81 #define SND_SET_VOLUME _IOW(SND_IOCTL_MAGIC, 3, struct msm_snd_volume_config *) 82 83 /* Returns the number of SND endpoints supported. */ 84 85 #define SND_GET_NUM_ENDPOINTS _IOR(SND_IOCTL_MAGIC, 4, unsigned *) 86 87 struct msm_snd_endpoint { 88 int id; /* input and output */ 89 char name[64]; /* output only */ 90 }; 91 92 /* Takes an index between 0 and one less than the number returned by 93 * SND_GET_NUM_ENDPOINTS, and returns the SND index and name of a 94 * SND endpoint. On input, the .id field contains the number of the 95 * endpoint, and on exit it contains the SND index, while .name contains 96 * the description of the endpoint. 97 */ 98 99 #define SND_GET_ENDPOINT _IOWR(SND_IOCTL_MAGIC, 5, struct msm_snd_endpoint *) 100 101 #endif /* __LINUX_MSM_AUDIO_H */ 102
