android_kernel_samsung_hero.../include/linux/qdsp6v2/apr_tal.h
2016-08-17 16:41:52 +08:00

55 lines
1.6 KiB
C

/* Copyright (c) 2010-2011, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* 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 __APR_TAL_H_
#define __APR_TAL_H_
#include <linux/kernel.h>
#include <linux/kthread.h>
#include <linux/uaccess.h>
/* APR Client IDs */
#define APR_CLIENT_AUDIO 0x0
#define APR_CLIENT_VOICE 0x1
#define APR_CLIENT_MAX 0x2
#define APR_DL_SMD 0
#define APR_DL_MAX 1
#define APR_DEST_MODEM 0
#define APR_DEST_QDSP6 1
#define APR_DEST_MAX 2
#define APR_MAX_BUF 8192
#define APR_OPEN_TIMEOUT_MS 5000
typedef void (*apr_svc_cb_fn)(void *buf, int len, void *priv);
struct apr_svc_ch_dev *apr_tal_open(uint32_t svc, uint32_t dest,
uint32_t dl, apr_svc_cb_fn func, void *priv);
int apr_tal_write(struct apr_svc_ch_dev *apr_ch, void *data, int len);
int apr_tal_close(struct apr_svc_ch_dev *apr_ch);
struct apr_svc_ch_dev {
struct smd_channel *ch;
spinlock_t lock;
spinlock_t w_lock;
struct mutex m_lock;
apr_svc_cb_fn func;
char data[APR_MAX_BUF];
wait_queue_head_t wait;
void *priv;
uint32_t smd_state;
wait_queue_head_t dest;
uint32_t dest_state;
};
#endif