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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
0d456194 MG |
2 | /* |
3 | * Definitions for USB serial mobile broadband cards | |
4 | */ | |
5 | ||
6 | #ifndef __LINUX_USB_USB_WWAN | |
7 | #define __LINUX_USB_USB_WWAN | |
8 | ||
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); | |
b8f0e820 | 12 | extern int usb_wwan_port_probe(struct usb_serial_port *port); |
a1028f0a | 13 | extern int usb_wwan_port_remove(struct usb_serial_port *port); |
0d456194 | 14 | extern int usb_wwan_write_room(struct tty_struct *tty); |
60b33c13 | 15 | extern int usb_wwan_tiocmget(struct tty_struct *tty); |
20b9d177 | 16 | extern int usb_wwan_tiocmset(struct tty_struct *tty, |
0d456194 | 17 | unsigned int set, unsigned int clear); |
00a0d0d6 | 18 | extern int usb_wwan_ioctl(struct tty_struct *tty, |
02303f73 | 19 | unsigned int cmd, unsigned long arg); |
0d456194 MG |
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 | |
27 | ||
28 | /* per port private data */ | |
29 | ||
30 | #define N_IN_URB 4 | |
31 | #define N_OUT_URB 4 | |
32 | #define IN_BUFLEN 4096 | |
33 | #define OUT_BUFLEN 4096 | |
34 | ||
35 | struct usb_wwan_intf_private { | |
36 | spinlock_t susp_lock; | |
37 | unsigned int suspended:1; | |
669e729f | 38 | unsigned int use_send_setup:1; |
0d456194 | 39 | int in_flight; |
c1c01803 | 40 | unsigned int open_ports; |
0d456194 MG |
41 | void *private; |
42 | }; | |
43 | ||
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 */ | |
0d456194 MG |
52 | struct usb_anchor delayed; |
53 | ||
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; | |
61 | ||
62 | unsigned long tx_start_time[N_OUT_URB]; | |
63 | }; | |
64 | ||
65 | #endif /* __LINUX_USB_USB_WWAN */ |