91 lines
2.3 KiB
C
91 lines
2.3 KiB
C
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/* Copyright (c) 2011-2012, The Linux Foundation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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* only version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef __RMNET_USB_CTRL_H
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#define __RMNET_USB_CTRL_H
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#include <linux/mutex.h>
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#include <linux/usb.h>
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#include <linux/cdev.h>
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#include <linux/usb/ch9.h>
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#include <linux/usb/cdc.h>
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#define CTRL_DEV_MAX_LEN 10
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struct rmnet_ctrl_dev {
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/*for debugging purpose*/
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char name[CTRL_DEV_MAX_LEN];
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struct cdev cdev;
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struct device *devicep;
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struct usb_interface *intf;
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unsigned int int_pipe;
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struct urb *rcvurb;
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struct urb *inturb;
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struct usb_anchor tx_submitted;
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struct usb_anchor rx_submitted;
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void *rcvbuf;
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void *intbuf;
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struct usb_ctrlrequest *in_ctlreq;
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spinlock_t rx_lock;
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struct mutex dev_lock;
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struct list_head rx_list;
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wait_queue_head_t read_wait_queue;
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wait_queue_head_t open_wait_queue;
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struct workqueue_struct *wq;
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struct work_struct get_encap_work;
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unsigned is_opened;
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bool is_connected;
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/*input control lines (DSR, CTS, CD, RI)*/
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unsigned int cbits_tolocal;
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/*output control lines (DTR, RTS)*/
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unsigned int cbits_tomdm;
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/*
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* track first resp available from mdm when it boots up
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* to avoid bigger timeout value used by qmuxd
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*/
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bool resp_available;
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unsigned int mdm_wait_timeout;
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/*counters*/
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unsigned int snd_encap_cmd_cnt;
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unsigned int get_encap_resp_cnt;
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unsigned int resp_avail_cnt;
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unsigned int get_encap_failure_cnt;
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unsigned int set_ctrl_line_state_cnt;
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unsigned int tx_ctrl_err_cnt;
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unsigned int zlp_cnt;
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};
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extern struct rmnet_ctrl_dev *ctrl_dev[];
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extern int rmnet_usb_ctrl_start_rx(struct rmnet_ctrl_dev *);
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extern int rmnet_usb_ctrl_suspend(struct rmnet_ctrl_dev *dev);
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extern int rmnet_usb_ctrl_init(void);
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extern void rmnet_usb_ctrl_exit(void);
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extern int rmnet_usb_ctrl_probe(struct usb_interface *intf,
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struct usb_host_endpoint *status,
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struct rmnet_ctrl_dev *dev);
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extern void rmnet_usb_ctrl_disconnect(struct rmnet_ctrl_dev *);
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#endif /* __RMNET_USB_H*/
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