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_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);
  19 extern int usb_wwan_tiocmset(struct tty_struct *tty,
  20                              unsigned int set, unsigned int clear);
  21 extern int usb_wwan_ioctl(struct tty_struct *tty,
  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 */