drivers/usb/serial/usb-wwan.h

   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 */