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/* Copyright (c) 2011, 2013, 2018, 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 __LINUX_USB_DIAG_BRIDGE_H__
#define __LINUX_USB_DIAG_BRIDGE_H__
struct diag_bridge_ops {
void *ctxt;
void (*read_complete_cb)(void *ctxt, char *buf,
int buf_size, int actual);
void (*write_complete_cb)(void *ctxt, char *buf,
int buf_size, int actual);
int (*suspend)(void *ctxt);
void (*resume)(void *ctxt);
};
#if IS_ENABLED(CONFIG_USB_QCOM_DIAG_BRIDGE)
extern int diag_bridge_read(int id, char *data, int size);
extern int diag_bridge_write(int id, char *data, int size);
extern int diag_bridge_open(int id, struct diag_bridge_ops *ops);
extern void diag_bridge_close(int id);
#else
static int __maybe_unused diag_bridge_read(int id, char *data, int size)
{
return -ENODEV;
}
static int __maybe_unused diag_bridge_write(int id, char *data, int size)
{
return -ENODEV;
}
static int __maybe_unused diag_bridge_open(int id, struct diag_bridge_ops *ops)
{
return -ENODEV;
}
static void __maybe_unused diag_bridge_close(int id) { }
#endif
#endif
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