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64 lines
1.9 KiB
64 lines
1.9 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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/* |
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* Definitions for USB serial mobile broadband cards |
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*/ |
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#ifndef __LINUX_USB_USB_WWAN |
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#define __LINUX_USB_USB_WWAN |
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extern void usb_wwan_dtr_rts(struct usb_serial_port *port, int on); |
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extern int usb_wwan_open(struct tty_struct *tty, struct usb_serial_port *port); |
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extern void usb_wwan_close(struct usb_serial_port *port); |
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extern int usb_wwan_port_probe(struct usb_serial_port *port); |
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extern void usb_wwan_port_remove(struct usb_serial_port *port); |
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extern unsigned int usb_wwan_write_room(struct tty_struct *tty); |
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extern int usb_wwan_tiocmget(struct tty_struct *tty); |
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extern int usb_wwan_tiocmset(struct tty_struct *tty, |
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unsigned int set, unsigned int clear); |
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extern int usb_wwan_write(struct tty_struct *tty, struct usb_serial_port *port, |
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const unsigned char *buf, int count); |
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extern unsigned int usb_wwan_chars_in_buffer(struct tty_struct *tty); |
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#ifdef CONFIG_PM |
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extern int usb_wwan_suspend(struct usb_serial *serial, pm_message_t message); |
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extern int usb_wwan_resume(struct usb_serial *serial); |
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#endif |
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/* per port private data */ |
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#define N_IN_URB 4 |
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#define N_OUT_URB 4 |
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#define IN_BUFLEN 4096 |
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#define OUT_BUFLEN 4096 |
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struct usb_wwan_intf_private { |
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spinlock_t susp_lock; |
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unsigned int suspended:1; |
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unsigned int use_send_setup:1; |
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unsigned int use_zlp:1; |
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int in_flight; |
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unsigned int open_ports; |
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void *private; |
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}; |
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struct usb_wwan_port_private { |
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/* Input endpoints and buffer for this port */ |
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struct urb *in_urbs[N_IN_URB]; |
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u8 *in_buffer[N_IN_URB]; |
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/* Output endpoints and buffer for this port */ |
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struct urb *out_urbs[N_OUT_URB]; |
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u8 *out_buffer[N_OUT_URB]; |
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unsigned long out_busy; /* Bit vector of URBs in use */ |
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struct usb_anchor delayed; |
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/* Settings for the port */ |
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int rts_state; /* Handshaking pins (outputs) */ |
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int dtr_state; |
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int cts_state; /* Handshaking pins (inputs) */ |
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int dsr_state; |
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int dcd_state; |
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int ri_state; |
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unsigned long tx_start_time[N_OUT_URB]; |
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}; |
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#endif /* __LINUX_USB_USB_WWAN */
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