67 lines
2 KiB
C
67 lines
2 KiB
C
/* 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 int usb_wwan_port_remove(struct usb_serial_port *port);
|
|
extern 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_ioctl(struct tty_struct *tty,
|
|
unsigned int cmd, unsigned long arg);
|
|
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;
|
|
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 */
|