usb_fdt_support.h (2092B) - Raw
1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2019 Ian Lepore <ian@FreeBSD.org> 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 */ 27 28 #ifndef _USB_FDT_SUPPORT_H_ 29 #define _USB_FDT_SUPPORT_H_ 30 31 struct usb_device; 32 struct usb_ether; 33 34 /* 35 * Get the device's MAC address from the FDT data. Fills in ue->ue_eaddr and 36 * returns 0 on success, otherwise leaves ue_eaddr untouched and returns 37 * non-zero. This first attempts to get the address from the "mac-address" 38 * property, and if that's not valid it tries the "local-mac-address" property; 39 * this matches the linux interpretation of the precedence of those properties. 40 */ 41 int usb_fdt_get_mac_addr(device_t dev, struct usb_ether* ue); 42 43 /* Get the FDT node for dev. Returns -1 if dev is not in the FDT data. */ 44 phandle_t usb_fdt_get_node(device_t dev, struct usb_device* udev); 45 46 #endif