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/* Copyright (c) 2011, Code Aurora Forum. 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 __RMNET_USB_CTRL_H
#define __RMNET_USB_CTRL_H
#include <linux/mutex.h>
#include <linux/usb.h>
#include <linux/cdev.h>
#include <linux/usb/ch9.h>
#include <linux/usb/cdc.h>
#define CTRL_DEV_MAX_LEN 10
struct rmnet_ctrl_dev {
/*for debugging purpose*/
char name[CTRL_DEV_MAX_LEN];
struct cdev cdev;
struct device *devicep;
struct usb_interface *intf;
unsigned int int_pipe;
struct urb *rcvurb;
struct urb *inturb;
struct usb_anchor tx_submitted;
void *rcvbuf;
void *intbuf;
struct usb_ctrlrequest *in_ctlreq;
spinlock_t rx_lock;
struct mutex dev_lock;
struct list_head rx_list;
wait_queue_head_t read_wait_queue;
wait_queue_head_t open_wait_queue;
unsigned is_opened;
/*input control lines (DSR, CTS, CD, RI)*/
unsigned int cbits_tolocal;
/*output control lines (DTR, RTS)*/
unsigned int cbits_tomdm;
/*
* track first resp available from mdm when it boots up
* to avoid bigger timeout value used by qmuxd
*/
bool resp_available;
unsigned int mdm_wait_timeout;
/*counters*/
unsigned int snd_encap_cmd_cnt;
unsigned int get_encap_resp_cnt;
unsigned int resp_avail_cnt;
unsigned int set_ctrl_line_state_cnt;
unsigned int tx_ctrl_err_cnt;
};
extern struct rmnet_ctrl_dev *ctrl_dev[];
extern int rmnet_usb_ctrl_start(struct rmnet_ctrl_dev *);
extern int rmnet_usb_ctrl_stop_rx(struct rmnet_ctrl_dev *);
extern int rmnet_usb_ctrl_init(void);
extern void rmnet_usb_ctrl_exit(void);
extern int rmnet_usb_ctrl_probe(struct usb_interface *intf,
struct usb_host_endpoint *status,
struct rmnet_ctrl_dev *dev);
extern void rmnet_usb_ctrl_disconnect(struct rmnet_ctrl_dev *);
#endif /* __RMNET_USB_H*/
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