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/*
* Copyright (c) 2008-2010, 2012-2014, The Linux Foundation.
* All rights reserved.
*
* All source code in this file is licensed under the following license except
* where indicated.
*
* 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.
*
* 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.
* You should have received a copy of the GNU General Public License
* along with this program; if not, you can find it at http://www.fsf.org
*/
#ifndef _DRIVERS_USB_DIAG_H_
#define _DRIVERS_USB_DIAG_H_
#include <linux/err.h>
#define DIAG_LEGACY "diag"
#define DIAG_MDM "diag_mdm"
#define DIAG_QSC "diag_qsc"
#define DIAG_MDM2 "diag_mdm2"
#define USB_DIAG_CONNECT 0
#define USB_DIAG_DISCONNECT 1
#define USB_DIAG_WRITE_DONE 2
#define USB_DIAG_READ_DONE 3
struct diag_request {
char *buf;
int length;
int actual;
int status;
void *context;
};
struct usb_diag_ch {
const char *name;
struct list_head list;
void (*notify)(void *priv, unsigned event, struct diag_request *d_req);
void *priv;
void *priv_usb;
};
#if IS_ENABLED(CONFIG_USB_F_DIAG)
int usb_diag_request_size(struct usb_diag_ch *ch);
struct usb_diag_ch *usb_diag_open(const char *name, void *priv,
void (*notify)(void *, unsigned, struct diag_request *));
void usb_diag_close(struct usb_diag_ch *ch);
int usb_diag_alloc_req(struct usb_diag_ch *ch, int n_write, int n_read);
int usb_diag_read(struct usb_diag_ch *ch, struct diag_request *d_req);
int usb_diag_write(struct usb_diag_ch *ch, struct diag_request *d_req);
#else
static inline struct usb_diag_ch *usb_diag_open(const char *name, void *priv,
void (*notify)(void *, unsigned, struct diag_request *))
{
return ERR_PTR(-ENODEV);
}
static inline void usb_diag_close(struct usb_diag_ch *ch)
{
}
static inline
int usb_diag_alloc_req(struct usb_diag_ch *ch, int n_write, int n_read)
{
return -ENODEV;
}
static inline
int usb_diag_read(struct usb_diag_ch *ch, struct diag_request *d_req)
{
return -ENODEV;
}
static inline
int usb_diag_write(struct usb_diag_ch *ch, struct diag_request *d_req)
{
return -ENODEV;
}
#endif /* CONFIG_USB_F_DIAG */
#endif /* _DRIVERS_USB_DIAG_H_ */
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