114 lines
3.0 KiB
C
114 lines
3.0 KiB
C
/* Copyright (c) 2010-2015, The Linux Foundation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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* only version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#include <linux/msm_audio.h>
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#include <linux/compat.h>
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#include "q6audio_common.h"
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#define FRAME_NUM (8)
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#define PCM_BUF_COUNT (2)
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#define AUD_EOS_SET 0x01
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#define TUNNEL_MODE 0x0000
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#define NON_TUNNEL_MODE 0x0001
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#define NO_BUF_ALLOC 0x00
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#define BUF_ALLOC_IN 0x01
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#define BUF_ALLOC_OUT 0x02
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#define BUF_ALLOC_INOUT 0x03
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#define ALIGN_BUF_SIZE(size) ((size + 4095) & (~4095))
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struct timestamp {
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u32 lowpart;
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u32 highpart;
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} __packed;
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struct meta_in {
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unsigned short offset;
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struct timestamp ntimestamp;
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unsigned int nflags;
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} __packed;
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struct meta_out_dsp {
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u32 offset_to_frame;
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u32 frame_size;
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u32 encoded_pcm_samples;
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u32 msw_ts;
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u32 lsw_ts;
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u32 nflags;
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} __packed;
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struct meta_out {
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unsigned char num_of_frames;
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struct meta_out_dsp meta_out_dsp[];
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} __packed;
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struct q6audio_in {
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spinlock_t dsp_lock;
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atomic_t in_bytes;
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atomic_t in_samples;
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struct mutex lock;
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struct mutex read_lock;
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struct mutex write_lock;
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wait_queue_head_t read_wait;
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wait_queue_head_t write_wait;
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struct audio_client *ac;
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struct msm_audio_stream_config str_cfg;
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void *enc_cfg;
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struct msm_audio_buf_cfg buf_cfg;
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struct msm_audio_config pcm_cfg;
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void *codec_cfg;
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/* number of buffers available to read/write */
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atomic_t in_count;
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atomic_t out_count;
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/* first idx: num of frames per buf, second idx: offset to frame */
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uint32_t out_frame_info[FRAME_NUM][2];
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int eos_rsp;
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int opened;
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int enabled;
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int stopped;
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int event_abort;
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int feedback; /* Flag indicates whether used
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in Non Tunnel mode */
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int rflush;
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int wflush;
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int buf_alloc;
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uint16_t min_frame_size;
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uint16_t max_frames_per_buf;
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bool reset_event;
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long (*enc_ioctl)(struct file *, unsigned int, unsigned long);
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long (*enc_compat_ioctl)(struct file *, unsigned int, unsigned long);
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};
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int audio_in_enable(struct q6audio_in *audio);
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int audio_in_disable(struct q6audio_in *audio);
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int audio_in_buf_alloc(struct q6audio_in *audio);
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long audio_in_ioctl(struct file *file,
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unsigned int cmd, unsigned long arg);
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#ifdef CONFIG_COMPAT
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long audio_in_compat_ioctl(struct file *file,
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unsigned int cmd, unsigned long arg);
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#else
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#define audio_in_compat_ioctl NULL
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#endif
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ssize_t audio_in_read(struct file *file, char __user *buf,
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size_t count, loff_t *pos);
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ssize_t audio_in_write(struct file *file, const char __user *buf,
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size_t count, loff_t *pos);
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int audio_in_release(struct inode *inode, struct file *file);
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int audio_in_set_config(struct file *file, struct msm_audio_config *cfg);
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