LXR linux/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
   8extern void usb_wwan_dtr_rts(struct usb_serial_port *port, int on);
   9extern int usb_wwan_open(struct tty_struct *tty, struct usb_serial_port *port);
  10extern void usb_wwan_close(struct usb_serial_port *port);
  11extern int usb_wwan_port_probe(struct usb_serial_port *port);
  12extern int usb_wwan_port_remove(struct usb_serial_port *port);
  13extern int usb_wwan_write_room(struct tty_struct *tty);
  14extern int usb_wwan_tiocmget(struct tty_struct *tty);
  15extern int usb_wwan_tiocmset(struct tty_struct *tty,
  16                             unsigned int set, unsigned int clear);
  17extern int usb_wwan_ioctl(struct tty_struct *tty,
  18                          unsigned int cmd, unsigned long arg);
  19extern int usb_wwan_write(struct tty_struct *tty, struct usb_serial_port *port,
  20                          const unsigned char *buf, int count);
  21extern int usb_wwan_chars_in_buffer(struct tty_struct *tty);
  22#ifdef CONFIG_PM
  23extern int usb_wwan_suspend(struct usb_serial *serial, pm_message_t message);
  24extern 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
  34struct usb_wwan_intf_private {
  35        spinlock_t susp_lock;
  36        unsigned int suspended:1;
  37        unsigned int use_send_setup:1;
  38        int in_flight;
  39        unsigned int open_ports;
  40        void *private;
  41};
  42
  43struct 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