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