git://bbs.cooldavid.org / net-next-2.6.git / blame
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1 | /* drivers/staging/dream/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 | #define AUDIO_PAUSE _IOW(AUDIO_IOCTL_MAGIC, 15, unsigned) | |
| 43 | #define AUDIO_GET_PCM_CONFIG _IOR(AUDIO_IOCTL_MAGIC, 30, unsigned) | |
| 44 | #define AUDIO_SET_PCM_CONFIG _IOW(AUDIO_IOCTL_MAGIC, 31, unsigned) | |
| 45 | #define AUDIO_SWITCH_DEVICE _IOW(AUDIO_IOCTL_MAGIC, 32, unsigned) | |
| 46 | ||
| 47 | #define AUDIO_MAX_COMMON_IOCTL_NUM 100 | |
| 48 | ||
| 49 | #define AUDIO_MAX_COMMON_IOCTL_NUM 100 | |
| 50 | ||
| 51 | struct msm_audio_config { | |
| 52 | uint32_t buffer_size; | |
| 53 | uint32_t buffer_count; | |
| 54 | uint32_t channel_count; | |
| 55 | uint32_t sample_rate; | |
| 56 | uint32_t type; | |
| 57 | uint32_t unused[3]; | |
| 58 | }; | |
| 59 | ||
| 60 | struct msm_audio_stats { | |
| 61 | uint32_t byte_count; | |
| 62 | uint32_t sample_count; | |
| 63 | uint32_t unused[2]; | |
| 64 | }; | |
| 65 | ||
| 66 | /* Audio routing */ | |
| 67 | ||
| 68 | #define SND_IOCTL_MAGIC 's' | |
| 69 | ||
| 70 | #define SND_MUTE_UNMUTED 0 | |
| 71 | #define SND_MUTE_MUTED 1 | |
| 72 | ||
| 73 | struct msm_snd_device_config { | |
| 74 | uint32_t device; | |
| 75 | uint32_t ear_mute; | |
| 76 | uint32_t mic_mute; | |
| 77 | }; | |
| 78 | ||
| 79 | #define SND_SET_DEVICE _IOW(SND_IOCTL_MAGIC, 2, struct msm_device_config *) | |
| 80 | ||
| 81 | #define SND_METHOD_VOICE 0 | |
| 82 | ||
| 83 | struct msm_snd_volume_config { | |
| 84 | uint32_t device; | |
| 85 | uint32_t method; | |
| 86 | uint32_t volume; | |
| 87 | }; | |
| 88 | ||
| 89 | #define SND_SET_VOLUME _IOW(SND_IOCTL_MAGIC, 3, struct msm_snd_volume_config *) | |
| 90 | ||
| 91 | /* Returns the number of SND endpoints supported. */ | |
| 92 | ||
| 93 | #define SND_GET_NUM_ENDPOINTS _IOR(SND_IOCTL_MAGIC, 4, unsigned *) | |
| 94 | ||
| 95 | struct msm_snd_endpoint { | |
| 96 | int id; /* input and output */ | |
| 97 | char name[64]; /* output only */ | |
| 98 | }; | |
| 99 | ||
| 100 | /* Takes an index between 0 and one less than the number returned by | |
| 101 | * SND_GET_NUM_ENDPOINTS, and returns the SND index and name of a | |
| 102 | * SND endpoint. On input, the .id field contains the number of the | |
| 103 | * endpoint, and on exit it contains the SND index, while .name contains | |
| 104 | * the description of the endpoint. | |
| 105 | */ | |
| 106 | ||
| 107 | #define SND_GET_ENDPOINT _IOWR(SND_IOCTL_MAGIC, 5, struct msm_snd_endpoint *) | |
| 108 | ||
| 109 | struct msm_audio_pcm_config { | |
| 110 | uint32_t pcm_feedback; /* 0 - disable > 0 - enable */ | |
| 111 | uint32_t buffer_count; /* Number of buffers to allocate */ | |
| 112 | uint32_t buffer_size; /* Size of buffer for capturing of | |
| 113 | PCM samples */ | |
| 114 | }; | |
| 115 | #endif |