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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/usb/serial/usb-wwan.h | |
parent | Initial commit. (diff) | |
download | linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip |
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/usb/serial/usb-wwan.h')
-rw-r--r-- | drivers/usb/serial/usb-wwan.h | 64 |
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 */ |