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