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); 18extern int usb_wwan_tiocmget(struct tty_struct *tty, struct file *file); 19extern int usb_wwan_tiocmset(struct tty_struct *tty, struct file *file, 20 unsigned int set, unsigned int clear); 21extern int usb_wwan_send_setup(struct usb_serial_port *port); 22extern int usb_wwan_write(struct tty_struct *tty, struct usb_serial_port *port, 23 const unsigned char *buf, int count); 24extern int usb_wwan_chars_in_buffer(struct tty_struct *tty); 25#ifdef CONFIG_PM 26extern int usb_wwan_suspend(struct usb_serial *serial, pm_message_t message); 27extern int usb_wwan_resume(struct usb_serial *serial); 28#endif 29 30/* per port private data */ 31 32#define N_IN_URB 4 33#define N_OUT_URB 4 34#define IN_BUFLEN 4096 35#define OUT_BUFLEN 4096 36 37struct usb_wwan_intf_private { 38 spinlock_t susp_lock; 39 unsigned int suspended:1; 40 int in_flight; 41 int (*send_setup) (struct usb_serial_port *port); 42 void *private; 43}; 44 45struct usb_wwan_port_private { 46 /* Input endpoints and buffer for this port */ 47 struct urb *in_urbs[N_IN_URB]; 48 u8 *in_buffer[N_IN_URB]; 49 /* Output endpoints and buffer for this port */ 50 struct urb *out_urbs[N_OUT_URB]; 51 u8 *out_buffer[N_OUT_URB]; 52 unsigned long out_busy; /* Bit vector of URBs in use */ 53 int opened; 54 struct usb_anchor delayed; 55 56 /* Settings for the port */ 57 int rts_state; /* Handshaking pins (outputs) */ 58 int dtr_state; 59 int cts_state; /* Handshaking pins (inputs) */ 60 int dsr_state; 61 int dcd_state; 62 int ri_state; 63 64 unsigned long tx_start_time[N_OUT_URB]; 65}; 66 67#endif /* __LINUX_USB_USB_WWAN */ 68