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Diffstat (limited to 'drivers/usb/serial/usb-wwan.h')
-rw-r--r--drivers/usb/serial/usb-wwan.h64
1 files changed, 64 insertions, 0 deletions
diff --git a/drivers/usb/serial/usb-wwan.h b/drivers/usb/serial/usb-wwan.h
new file mode 100644
index 000000000..519101945
--- /dev/null
+++ b/drivers/usb/serial/usb-wwan.h
@@ -0,0 +1,64 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * 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_port_probe(struct usb_serial_port *port);
+extern void usb_wwan_port_remove(struct usb_serial_port *port);
+extern unsigned int usb_wwan_write_room(struct tty_struct *tty);
+extern int usb_wwan_tiocmget(struct tty_struct *tty);
+extern int usb_wwan_tiocmset(struct tty_struct *tty,
+ unsigned int set, unsigned int clear);
+extern int usb_wwan_write(struct tty_struct *tty, struct usb_serial_port *port,
+ const unsigned char *buf, int count);
+extern unsigned 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;
+ unsigned int use_send_setup:1;
+ unsigned int use_zlp:1;
+ int in_flight;
+ unsigned int open_ports;
+ 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 */
+ 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 */