android_kernel_google_msm/drivers/char/diag/diagfwd_bridge.h
Ravi Aravamudhan 38351d4a0a diag: Add support for mutiple HSIC instances
On a future target, applications processor will talk to
two MDMs simultaneously. This change will enable multiple
HSIC connections towards this configuration.

Change-Id: I2138b1d458936eddb8276a12e92916a4893d922b
Signed-off-by: Ravi Aravamudhan <aravamud@codeaurora.org>
2013-03-15 17:05:18 -07:00

49 lines
1.4 KiB
C

/* Copyright (c) 2012-2013, 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 DIAGFWD_BRIDGE_H
#define DIAGFWD_BRIDGE_H
#include "diagfwd.h"
#define MAX_BRIDGES 5
#define HSIC 0
#define HSIC_2 1
#define SMUX 4
int diagfwd_connect_bridge(int);
void connect_bridge(int, int);
int diagfwd_disconnect_bridge(int);
void diagfwd_bridge_init(int index);
void diagfwd_bridge_exit(void);
int diagfwd_read_complete_bridge(struct diag_request *diag_read_ptr);
/* Diag-Bridge structure, n bridges can be used at same time
* for instance SMUX, HSIC working at same time
*/
struct diag_bridge_dev {
int id;
char name[20];
int enabled;
struct mutex bridge_mutex;
int usb_connected;
int read_len;
int write_len;
unsigned char *usb_buf_out;
struct usb_diag_ch *ch;
struct workqueue_struct *wq;
struct work_struct diag_read_work;
struct diag_request *usb_read_ptr;
struct work_struct usb_read_complete_work;
};
#endif