diff options
Diffstat (limited to 'drivers/staging/dream/include/linux/msm_audio.h')
| -rw-r--r-- | drivers/staging/dream/include/linux/msm_audio.h | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/drivers/staging/dream/include/linux/msm_audio.h b/drivers/staging/dream/include/linux/msm_audio.h new file mode 100644 index 000000000000..cfbdaa0d98b2 --- /dev/null +++ b/drivers/staging/dream/include/linux/msm_audio.h @@ -0,0 +1,115 @@ +/* drivers/staging/dream/include/linux/msm_audio.h + * + * Copyright (C) 2008 Google, Inc. + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + */ + +#ifndef __LINUX_MSM_AUDIO_H +#define __LINUX_MSM_AUDIO_H + +#include <linux/types.h> +#include <linux/ioctl.h> +#include <asm/sizes.h> + +/* PCM Audio */ + +#define AUDIO_IOCTL_MAGIC 'a' + +#define AUDIO_START _IOW(AUDIO_IOCTL_MAGIC, 0, unsigned) +#define AUDIO_STOP _IOW(AUDIO_IOCTL_MAGIC, 1, unsigned) +#define AUDIO_FLUSH _IOW(AUDIO_IOCTL_MAGIC, 2, unsigned) +#define AUDIO_GET_CONFIG _IOR(AUDIO_IOCTL_MAGIC, 3, unsigned) +#define AUDIO_SET_CONFIG _IOW(AUDIO_IOCTL_MAGIC, 4, unsigned) +#define AUDIO_GET_STATS _IOR(AUDIO_IOCTL_MAGIC, 5, unsigned) +#define AUDIO_ENABLE_AUDPP _IOW(AUDIO_IOCTL_MAGIC, 6, unsigned) +#define AUDIO_SET_ADRC _IOW(AUDIO_IOCTL_MAGIC, 7, unsigned) +#define AUDIO_SET_EQ _IOW(AUDIO_IOCTL_MAGIC, 8, unsigned) +#define AUDIO_SET_RX_IIR _IOW(AUDIO_IOCTL_MAGIC, 9, unsigned) +#define AUDIO_SET_VOLUME _IOW(AUDIO_IOCTL_MAGIC, 10, unsigned) +#define AUDIO_ENABLE_AUDPRE _IOW(AUDIO_IOCTL_MAGIC, 11, unsigned) +#define AUDIO_SET_AGC _IOW(AUDIO_IOCTL_MAGIC, 12, unsigned) +#define AUDIO_SET_NS _IOW(AUDIO_IOCTL_MAGIC, 13, unsigned) +#define AUDIO_SET_TX_IIR _IOW(AUDIO_IOCTL_MAGIC, 14, unsigned) +#define AUDIO_PAUSE _IOW(AUDIO_IOCTL_MAGIC, 15, unsigned) +#define AUDIO_GET_PCM_CONFIG _IOR(AUDIO_IOCTL_MAGIC, 30, unsigned) +#define AUDIO_SET_PCM_CONFIG _IOW(AUDIO_IOCTL_MAGIC, 31, unsigned) +#define AUDIO_SWITCH_DEVICE _IOW(AUDIO_IOCTL_MAGIC, 32, unsigned) + +#define AUDIO_MAX_COMMON_IOCTL_NUM 100 + +#define AUDIO_MAX_COMMON_IOCTL_NUM 100 + +struct msm_audio_config { + uint32_t buffer_size; + uint32_t buffer_count; + uint32_t channel_count; + uint32_t sample_rate; + uint32_t type; + uint32_t unused[3]; +}; + +struct msm_audio_stats { + uint32_t byte_count; + uint32_t sample_count; + uint32_t unused[2]; +}; + +/* Audio routing */ + +#define SND_IOCTL_MAGIC 's' + +#define SND_MUTE_UNMUTED 0 +#define SND_MUTE_MUTED 1 + +struct msm_snd_device_config { + uint32_t device; + uint32_t ear_mute; + uint32_t mic_mute; +}; + +#define SND_SET_DEVICE _IOW(SND_IOCTL_MAGIC, 2, struct msm_device_config *) + +#define SND_METHOD_VOICE 0 + +struct msm_snd_volume_config { + uint32_t device; + uint32_t method; + uint32_t volume; +}; + +#define SND_SET_VOLUME _IOW(SND_IOCTL_MAGIC, 3, struct msm_snd_volume_config *) + +/* Returns the number of SND endpoints supported. */ + +#define SND_GET_NUM_ENDPOINTS _IOR(SND_IOCTL_MAGIC, 4, unsigned *) + +struct msm_snd_endpoint { + int id; /* input and output */ + char name[64]; /* output only */ +}; + +/* Takes an index between 0 and one less than the number returned by + * SND_GET_NUM_ENDPOINTS, and returns the SND index and name of a + * SND endpoint. On input, the .id field contains the number of the + * endpoint, and on exit it contains the SND index, while .name contains + * the description of the endpoint. + */ + +#define SND_GET_ENDPOINT _IOWR(SND_IOCTL_MAGIC, 5, struct msm_snd_endpoint *) + +struct msm_audio_pcm_config { + uint32_t pcm_feedback; /* 0 - disable > 0 - enable */ + uint32_t buffer_count; /* Number of buffers to allocate */ + uint32_t buffer_size; /* Size of buffer for capturing of + PCM samples */ +}; +#endif |