1 files changed, 67 insertions, 0 deletions

diff --git a/drivers/usb/serial/usb-wwan.h b/drivers/usb/serial/usb-wwan.h
new file mode 100644
index 000000000000..2be298a1305b
--- /dev/null
+++ b/drivers/usb/serial/usb-wwan.h
@@ -0,0 +1,67 @@
+/*
+ * Definitions for USB serial mobile broadband cards
+ */
+
+#ifndef __LINUX_USB_USB_WWAN
+#define __LINUX_USB_USB_WWAN
+
+extern void usb_wwan_dtr_rts(struct usb_serial_port *port, int on);
+extern int usb_wwan_open(struct tty_struct *tty, struct usb_serial_port *port);
+extern void usb_wwan_close(struct usb_serial_port *port);
+extern int usb_wwan_startup(struct usb_serial *serial);
+extern void usb_wwan_disconnect(struct usb_serial *serial);
+extern void usb_wwan_release(struct usb_serial *serial);
+extern int usb_wwan_write_room(struct tty_struct *tty);
+extern void usb_wwan_set_termios(struct tty_struct *tty,
+                                 struct usb_serial_port *port,
+                                 struct ktermios *old);
+extern int usb_wwan_tiocmget(struct tty_struct *tty, struct file *file);
+extern int usb_wwan_tiocmset(struct tty_struct *tty, struct file *file,
+                             unsigned int set, unsigned int clear);
+extern int usb_wwan_send_setup(struct usb_serial_port *port);
+extern int usb_wwan_write(struct tty_struct *tty, struct usb_serial_port *port,
+                          const unsigned char *buf, int count);
+extern int usb_wwan_chars_in_buffer(struct tty_struct *tty);
+#ifdef CONFIG_PM
+extern int usb_wwan_suspend(struct usb_serial *serial, pm_message_t message);
+extern int usb_wwan_resume(struct usb_serial *serial);
+#endif
+
+/* per port private data */
+
+#define N_IN_URB 4
+#define N_OUT_URB 4
+#define IN_BUFLEN 4096
+#define OUT_BUFLEN 4096
+
+struct usb_wwan_intf_private {
+        spinlock_t susp_lock;
+        unsigned int suspended:1;
+        int in_flight;
+        int (*send_setup) (struct usb_serial_port *port);
+        void *private;
+};
+
+struct usb_wwan_port_private {
+        /* Input endpoints and buffer for this port */
+        struct urb *in_urbs[N_IN_URB];
+        u8 *in_buffer[N_IN_URB];
+        /* Output endpoints and buffer for this port */
+        struct urb *out_urbs[N_OUT_URB];
+        u8 *out_buffer[N_OUT_URB];
+        unsigned long out_busy; /* Bit vector of URBs in use */
+        int opened;
+        struct usb_anchor delayed;
+
+        /* Settings for the port */
+        int rts_state;          /* Handshaking pins (outputs) */
+        int dtr_state;
+        int cts_state;          /* Handshaking pins (inputs) */
+        int dsr_state;
+        int dcd_state;
+        int ri_state;
+
+        unsigned long tx_start_time[N_OUT_URB];
+};
+
+#endif /* __LINUX_USB_USB_WWAN */