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review.evervolv.com / android_kernel_htc_msm8960 / c2392df88afbb985d9396aa75c202830b471245d / . / drivers / usb / serial / usb-wwan.h
blob: 98b399fe3d4af3d6bc75440c48882dd32b3dc90d [file] [log] [blame]
Matthew Garrett0d456192010-04-01 12:31:07 -0400[diff] [blame]1/*
2 * Definitions for USB serial mobile broadband cards
3 */
4
5#ifndef __LINUX_USB_USB_WWAN
6#define __LINUX_USB_USB_WWAN
7
8extern void usb_wwan_dtr_rts(struct usb_serial_port *port, int on);
9extern int usb_wwan_open(struct tty_struct *tty, struct usb_serial_port *port);
10extern void usb_wwan_close(struct usb_serial_port *port);
11extern int usb_wwan_startup(struct usb_serial *serial);
12extern void usb_wwan_disconnect(struct usb_serial *serial);
13extern void usb_wwan_release(struct usb_serial *serial);
14extern int usb_wwan_write_room(struct tty_struct *tty);
15extern void usb_wwan_set_termios(struct tty_struct *tty,
16 struct usb_serial_port *port,
17 struct ktermios *old);
Alan Cox60b33c12011-02-14 16:26:14 +0000[diff] [blame]18extern int usb_wwan_tiocmget(struct tty_struct *tty);
Alan Cox20b9d172011-02-14 16:26:50 +0000[diff] [blame]19extern int usb_wwan_tiocmset(struct tty_struct *tty,
Matthew Garrett0d456192010-04-01 12:31:07 -0400[diff] [blame]20 unsigned int set, unsigned int clear);
Alan Cox00a0d0d2011-02-14 16:27:06 +0000[diff] [blame]21extern int usb_wwan_ioctl(struct tty_struct *tty,
Dan Williams02303f72010-11-19 16:04:00 -0600[diff] [blame]22 unsigned int cmd, unsigned long arg);
Matthew Garrett0d456192010-04-01 12:31:07 -0400[diff] [blame]23extern int usb_wwan_send_setup(struct usb_serial_port *port);
24extern int usb_wwan_write(struct tty_struct *tty, struct usb_serial_port *port,
25 const unsigned char *buf, int count);
26extern int usb_wwan_chars_in_buffer(struct tty_struct *tty);
Vamsi Krishna6f806b82012-05-07 16:29:08 -0700[diff] [blame]27extern void usb_wwan_throttle(struct tty_struct *tty);
28extern void usb_wwan_unthrottle(struct tty_struct *tty);
Matthew Garrett0d456192010-04-01 12:31:07 -0400[diff] [blame]29#ifdef CONFIG_PM
30extern int usb_wwan_suspend(struct usb_serial *serial, pm_message_t message);
31extern int usb_wwan_resume(struct usb_serial *serial);
32#endif
33
34/* per port private data */
35
Vamsi Krishna6ef832f2012-01-27 16:29:21 -0800[diff] [blame]36#define N_IN_URB 5
37#define N_OUT_URB 5
Vamsi Krishna6f806b82012-05-07 16:29:08 -0700[diff] [blame]38#define IN_BUFLEN 16384
Vamsi Krishna6ef832f2012-01-27 16:29:21 -0800[diff] [blame]39#define OUT_BUFLEN 65536
Matthew Garrett0d456192010-04-01 12:31:07 -0400[diff] [blame]40
41struct usb_wwan_intf_private {
42 spinlock_t susp_lock;
43 unsigned int suspended:1;
44 int in_flight;
45 int (*send_setup) (struct usb_serial_port *port);
46 void *private;
47};
48
49struct usb_wwan_port_private {
50 /* Input endpoints and buffer for this port */
51 struct urb *in_urbs[N_IN_URB];
52 u8 *in_buffer[N_IN_URB];
53 /* Output endpoints and buffer for this port */
54 struct urb *out_urbs[N_OUT_URB];
55 u8 *out_buffer[N_OUT_URB];
56 unsigned long out_busy; /* Bit vector of URBs in use */
57 int opened;
Hemant Kumar1ffb0392012-06-14 16:00:24 -0700[diff] [blame]58 struct usb_anchor submitted;
Matthew Garrett0d456192010-04-01 12:31:07 -0400[diff] [blame]59 struct usb_anchor delayed;
Vamsi Krishna6f806b82012-05-07 16:29:08 -0700[diff] [blame]60 struct list_head in_urb_list;
61 spinlock_t in_lock;
62 ssize_t n_read;
63 struct work_struct in_work;
Matthew Garrett0d456192010-04-01 12:31:07 -0400[diff] [blame]64
65 /* Settings for the port */
66 int rts_state; /* Handshaking pins (outputs) */
67 int dtr_state;
68 int cts_state; /* Handshaking pins (inputs) */
69 int dsr_state;
70 int dcd_state;
71 int ri_state;
72
73 unsigned long tx_start_time[N_OUT_URB];
74};
75
76#endif /* __LINUX_USB_USB_WWAN */