linux/usb/serial.h

1 // SPDX-License-Identifier: GPL-2.0
3  * USB Serial Converter stuff
5  *	Copyright (C) 1999 - 2012
6  *	    Greg Kroah-Hartman (greg@kroah.com)
20 /* USB serial flags */
59  * @flags: usb serial port flags
63  * This structure is used by the usb-serial core and drivers for the specific
114 	return dev_get_drvdata(&port->dev);  in usb_get_serial_port_data()
120 	dev_set_drvdata(&port->dev, data);  in usb_set_serial_port_data()
124  * usb_serial - structure used by the usb-serial core for a device
137  *	usb-serial driver is required to manage this data, the usb-serial core
166 	return serial->private;  in usb_get_serial_data()
171 	serial->private = data;  in usb_set_serial_data()
186  * usb_serial_driver - describes a usb serial driver
192  * @num_bulk_in: minimum number of bulk-in endpoints
193  * @num_bulk_out: minimum number of bulk-out endpoints
194  * @num_interrupt_in: minimum number of interrupt-in endpoints
195  * @num_interrupt_out: minimum number of interrupt-out endpoints
196  * @bulk_in_size: minimum number of bytes to allocate for bulk-in buffer
197  *	(0 = end-point size)
198  * @bulk_out_size: bytes to allocate for bulk-out buffer (0 = end-point size)
201  *	endpoints or to modify the port-endpoint mapping. It will be called
202  *	after the probe() callback is called, but before attach().
210  * @attach: pointer to the driver's attach function.
222  * This structure is defines a USB Serial driver.  It provides all of
223  * the information that the USB serial core code needs.  If the function
224  * pointers are defined, then the USB serial core code will call them when
253 	int (*attach)(struct usb_serial *serial);  member
297 	/* Called by the usb serial hooks to allow the user to rework the
300 	/* USB events */
325 /* USB Serial console functions */
391 	dev_dbg(dev, "%s - length = %d, data = %*ph\n",  in usb_serial_debug_data()
404 	if (!__port->port.console || !__print_once) {			\
406 		dev_err(&__port->dev, fmt, ##__VA_ARGS__);		\
411  * module_usb_serial_driver() - Helper macro for registering a USB Serial driver
415  * Helper macro for USB serial drivers which do not do anything special