69 lines
2 KiB
C
69 lines
2 KiB
C
|
/* SPDX-License-Identifier: GPL-2.0-or-later
|
||
|
|
* sound/soc/samsung/vts/vts_pcm_dump.h
|
||
|
|
*
|
||
|
|
* ALSA SoC Audio Layer - Samsung VTS Internal Buffer Dumping driver
|
||
|
|
*
|
||
|
|
* Copyright (c) 2016 Samsung Electronics Co. Ltd.
|
||
|
|
*
|
||
|
|
* This program is free software; you can redistribute it and/or modify
|
||
|
|
* it under the terms of the GNU General Public License version 2 as
|
||
|
|
* published by the Free Software Foundation.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef __SND_SOC_VTS_PCM_DUMP_H
|
||
|
|
#define __SND_SOC_VTS_PCM_DUMP_H
|
||
|
|
|
||
|
|
#include <linux/device.h>
|
||
|
|
#include <sound/samsung/vts.h>
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Report dump data written
|
||
|
|
* @param[in] id unique buffer id
|
||
|
|
* @param[in] pointer byte index of the written data
|
||
|
|
*/
|
||
|
|
extern void vts_pcm_dump_period_elapsed(int id, size_t pointer);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Register vts file only
|
||
|
|
* @param[in] name unique buffer name
|
||
|
|
* @param[in] data private data
|
||
|
|
* @param[in] fops file operation callbacks
|
||
|
|
* @return file entry pointer
|
||
|
|
*/
|
||
|
|
extern struct proc_dir_entry *vts_pcm_dump_register_file(const char *name, void *data,
|
||
|
|
const struct proc_ops *fops);
|
||
|
|
/**
|
||
|
|
* Destroy registered dump file
|
||
|
|
* @param[in] file pointer to file entry
|
||
|
|
*/
|
||
|
|
extern void vts_pcm_dump_unregister_file(struct proc_dir_entry *file);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get given data of the dump file
|
||
|
|
* @param[in] file pointer to file entry
|
||
|
|
* @return data which is given at registration
|
||
|
|
*/
|
||
|
|
extern void *vts_dump_get_data(const struct file *file);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Register vts dump
|
||
|
|
* @param[in] dev pointer to vts device
|
||
|
|
* @param[in] id unique buffer id
|
||
|
|
* @param[in] name unique buffer name
|
||
|
|
* @param[in] area virtual address of the buffer
|
||
|
|
* @param[in] addr pysical address of the buffer
|
||
|
|
* @param[in] bytes buffer size in bytes
|
||
|
|
* @return error code if any
|
||
|
|
*/
|
||
|
|
extern int vts_pcm_dump_register(struct device *dev, int id,
|
||
|
|
const char *name, void *area, phys_addr_t addr, size_t bytes);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Initialize vts dump module
|
||
|
|
* @param[in] dev pointer to vts device
|
||
|
|
*/
|
||
|
|
extern void vts_pcm_dump_init(struct device *dev_vts);
|
||
|
|
extern bool vts_pcm_dump_get_file_started(int id);
|
||
|
|
extern void vts_pcm_dump_reset(int id);
|
||
|
|
#endif /* __SND_SOC_VTS_PCM_DUMP_H */
|