1 /* 2 * Definitions for USB serial mobile broadband cards 3 */ 4 5 #ifndef __LINUX_USB_USB_WWAN 6 #define __LINUX_USB_USB_WWAN 7 8 extern void usb_wwan_dtr_rts(struct usb_serial_port *port, int on); 9 extern int usb_wwan_open(struct tty_struct *tty, struct usb_serial_port *port); 10 extern void usb_wwan_close(struct usb_serial_port *port); 11 extern int usb_wwan_startup(struct usb_serial *serial); 12 extern void usb_wwan_disconnect(struct usb_serial *serial); 13 extern void usb_wwan_release(struct usb_serial *serial); 14 extern int usb_wwan_write_room(struct tty_struct *tty); 15 extern void usb_wwan_set_termios(struct tty_struct *tty, 16 struct usb_serial_port *port, 17 struct ktermios *old); 18 extern int usb_wwan_tiocmget(struct tty_struct *tty, struct file *file); 19 extern int usb_wwan_tiocmset(struct tty_struct *tty, struct file *file, 20 unsigned int set, unsigned int clear); 21 extern int usb_wwan_ioctl(struct tty_struct *tty, struct file *file, 22 unsigned int cmd, unsigned long arg); 23 extern int usb_wwan_send_setup(struct usb_serial_port *port); 24 extern int usb_wwan_write(struct tty_struct *tty, struct usb_serial_port *port, 25 const unsigned char *buf, int count); 26 extern int usb_wwan_chars_in_buffer(struct tty_struct *tty); 27 #ifdef CONFIG_PM 28 extern int usb_wwan_suspend(struct usb_serial *serial, pm_message_t message); 29 extern int usb_wwan_resume(struct usb_serial *serial); 30 #endif 31 32 /* per port private data */ 33 34 #define N_IN_URB 4 35 #define N_OUT_URB 4 36 #define IN_BUFLEN 4096 37 #define OUT_BUFLEN 4096 38 39 struct usb_wwan_intf_private { 40 spinlock_t susp_lock; 41 unsigned int suspended:1; 42 int in_flight; 43 int (*send_setup) (struct usb_serial_port *port); 44 void *private; 45 }; 46 47 struct usb_wwan_port_private { 48 /* Input endpoints and buffer for this port */ 49 struct urb *in_urbs[N_IN_URB]; 50 u8 *in_buffer[N_IN_URB]; 51 /* Output endpoints and buffer for this port */ 52 struct urb *out_urbs[N_OUT_URB]; 53 u8 *out_buffer[N_OUT_URB]; 54 unsigned long out_busy; /* Bit vector of URBs in use */ 55 int opened; 56 struct usb_anchor delayed; 57 58 /* Settings for the port */ 59 int rts_state; /* Handshaking pins (outputs) */ 60 int dtr_state; 61 int cts_state; /* Handshaking pins (inputs) */ 62 int dsr_state; 63 int dcd_state; 64 int ri_state; 65 66 unsigned long tx_start_time[N_OUT_URB]; 67 }; 68 69 #endif /* __LINUX_USB_USB_WWAN */ 70