Linux 4.16.11
[linux/fpc-iii.git] / drivers / usb / serial / usb-wwan.h
blobd28dab4b9effcd5d766bb76fa2e2d92de7dcd4f1
1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3 * Definitions for USB serial mobile broadband cards
4 */
6 #ifndef __LINUX_USB_USB_WWAN
7 #define __LINUX_USB_USB_WWAN
9 extern void usb_wwan_dtr_rts(struct usb_serial_port *port, int on);
10 extern int usb_wwan_open(struct tty_struct *tty, struct usb_serial_port *port);
11 extern void usb_wwan_close(struct usb_serial_port *port);
12 extern int usb_wwan_port_probe(struct usb_serial_port *port);
13 extern int usb_wwan_port_remove(struct usb_serial_port *port);
14 extern int usb_wwan_write_room(struct tty_struct *tty);
15 extern int usb_wwan_tiocmget(struct tty_struct *tty);
16 extern int usb_wwan_tiocmset(struct tty_struct *tty,
17 unsigned int set, unsigned int clear);
18 extern int usb_wwan_ioctl(struct tty_struct *tty,
19 unsigned int cmd, unsigned long arg);
20 extern int usb_wwan_write(struct tty_struct *tty, struct usb_serial_port *port,
21 const unsigned char *buf, int count);
22 extern int usb_wwan_chars_in_buffer(struct tty_struct *tty);
23 #ifdef CONFIG_PM
24 extern int usb_wwan_suspend(struct usb_serial *serial, pm_message_t message);
25 extern int usb_wwan_resume(struct usb_serial *serial);
26 #endif
28 /* per port private data */
30 #define N_IN_URB 4
31 #define N_OUT_URB 4
32 #define IN_BUFLEN 4096
33 #define OUT_BUFLEN 4096
35 struct usb_wwan_intf_private {
36 spinlock_t susp_lock;
37 unsigned int suspended:1;
38 unsigned int use_send_setup:1;
39 int in_flight;
40 unsigned int open_ports;
41 void *private;
44 struct usb_wwan_port_private {
45 /* Input endpoints and buffer for this port */
46 struct urb *in_urbs[N_IN_URB];
47 u8 *in_buffer[N_IN_URB];
48 /* Output endpoints and buffer for this port */
49 struct urb *out_urbs[N_OUT_URB];
50 u8 *out_buffer[N_OUT_URB];
51 unsigned long out_busy; /* Bit vector of URBs in use */
52 struct usb_anchor delayed;
54 /* Settings for the port */
55 int rts_state; /* Handshaking pins (outputs) */
56 int dtr_state;
57 int cts_state; /* Handshaking pins (inputs) */
58 int dsr_state;
59 int dcd_state;
60 int ri_state;
62 unsigned long tx_start_time[N_OUT_URB];
65 #endif /* __LINUX_USB_USB_WWAN */