3 * Copyright (c) 2008 Hans Petter Selasky. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 #ifndef _USB2_LOOKUP_H_
28 #define _USB2_LOOKUP_H_
30 struct usb2_attach_arg;
33 * The following structure is used when looking up an USB driver for
34 * an USB device. It is inspired by the Linux structure called
37 struct usb2_device_id {
39 /* Hook for driver specific information */
40 const void *driver_info;
42 /* Used for product specific matches; the BCD range is inclusive */
45 uint16_t bcdDevice_lo;
46 uint16_t bcdDevice_hi;
48 /* Used for device class matches */
50 uint8_t bDeviceSubClass;
51 uint8_t bDeviceProtocol;
53 /* Used for interface class matches */
54 uint8_t bInterfaceClass;
55 uint8_t bInterfaceSubClass;
56 uint8_t bInterfaceProtocol;
58 /* Select which fields to match against */
59 uint8_t match_flag_vendor:1;
60 uint8_t match_flag_product:1;
61 uint8_t match_flag_dev_lo:1;
62 uint8_t match_flag_dev_hi:1;
63 uint8_t match_flag_dev_class:1;
64 uint8_t match_flag_dev_subclass:1;
65 uint8_t match_flag_dev_protocol:1;
66 uint8_t match_flag_int_class:1;
67 uint8_t match_flag_int_subclass:1;
68 uint8_t match_flag_int_protocol:1;
71 #define USB_VENDOR(vend) \
72 .match_flag_vendor = 1, .idVendor = (vend)
74 #define USB_PRODUCT(prod) \
75 .match_flag_product = 1, .idProduct = (prod)
77 #define USB_VP(vend,prod) \
78 USB_VENDOR(vend), USB_PRODUCT(prod)
80 #define USB_VPI(vend,prod,info) \
81 USB_VENDOR(vend), USB_PRODUCT(prod), USB_DRIVER_INFO(info)
83 #define USB_DEV_BCD_GTEQ(lo) /* greater than or equal */ \
84 .match_flag_dev_lo = 1, .bcdDevice_lo = (lo)
86 #define USB_DEV_BCD_LTEQ(hi) /* less than or equal */ \
87 .match_flag_dev_hi = 1, .bcdDevice_hi = (hi)
89 #define USB_DEV_CLASS(dc) \
90 .match_flag_dev_class = 1, .bDeviceClass = (dc)
92 #define USB_DEV_SUBCLASS(dsc) \
93 .match_flag_dev_subclass = 1, .bDeviceSubClass = (dsc)
95 #define USB_DEV_PROTOCOL(dp) \
96 .match_flag_dev_protocol = 1, .bDeviceProtocol = (dp)
98 #define USB_IFACE_CLASS(ic) \
99 .match_flag_int_class = 1, .bInterfaceClass = (ic)
101 #define USB_IFACE_SUBCLASS(isc) \
102 .match_flag_int_subclass = 1, .bInterfaceSubClass = (isc)
104 #define USB_IFACE_PROTOCOL(ip) \
105 .match_flag_int_protocol = 1, .bInterfaceProtocol = (ip)
107 #define USB_IF_CSI(class,subclass,info) \
108 USB_IFACE_CLASS(class), USB_IFACE_SUBCLASS(subclass), USB_DRIVER_INFO(info)
110 #define USB_DRIVER_INFO(ptr) \
111 .driver_info = ((const void *)(ptr))
113 #define USB_GET_DRIVER_INFO(did) \
114 (((const uint8_t *)((did)->driver_info)) - ((const uint8_t *)0))
116 const struct usb2_device_id *usb2_lookup_id_by_info(
117 const struct usb2_device_id *id, usb2_size_t sizeof_id,
118 const struct usb2_lookup_info *info);
119 int usb2_lookup_id_by_uaa(const struct usb2_device_id *id,
120 usb2_size_t sizeof_id, struct usb2_attach_arg *uaa);
122 #endif /* _USB2_LOOKUP_H_ */