123 lines
4.1 KiB
C
123 lines
4.1 KiB
C
/* $FreeBSD$ */
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/*-
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* Copyright (c) 2008 Hans Petter Selasky. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef _USB2_LOOKUP_H_
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#define _USB2_LOOKUP_H_
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struct usb2_attach_arg;
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/*
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* The following structure is used when looking up an USB driver for
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* an USB device. It is inspired by the Linux structure called
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* "usb2_device_id".
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*/
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struct usb2_device_id {
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/* Hook for driver specific information */
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const void *driver_info;
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/* Used for product specific matches; the BCD range is inclusive */
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uint16_t idVendor;
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uint16_t idProduct;
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uint16_t bcdDevice_lo;
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uint16_t bcdDevice_hi;
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/* Used for device class matches */
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uint8_t bDeviceClass;
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uint8_t bDeviceSubClass;
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uint8_t bDeviceProtocol;
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/* Used for interface class matches */
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uint8_t bInterfaceClass;
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uint8_t bInterfaceSubClass;
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uint8_t bInterfaceProtocol;
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/* Select which fields to match against */
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uint8_t match_flag_vendor:1;
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uint8_t match_flag_product:1;
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uint8_t match_flag_dev_lo:1;
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uint8_t match_flag_dev_hi:1;
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uint8_t match_flag_dev_class:1;
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uint8_t match_flag_dev_subclass:1;
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uint8_t match_flag_dev_protocol:1;
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uint8_t match_flag_int_class:1;
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uint8_t match_flag_int_subclass:1;
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uint8_t match_flag_int_protocol:1;
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};
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#define USB_VENDOR(vend) \
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.match_flag_vendor = 1, .idVendor = (vend)
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#define USB_PRODUCT(prod) \
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.match_flag_product = 1, .idProduct = (prod)
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#define USB_VP(vend,prod) \
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USB_VENDOR(vend), USB_PRODUCT(prod)
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#define USB_VPI(vend,prod,info) \
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USB_VENDOR(vend), USB_PRODUCT(prod), USB_DRIVER_INFO(info)
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#define USB_DEV_BCD_GTEQ(lo) /* greater than or equal */ \
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.match_flag_dev_lo = 1, .bcdDevice_lo = (lo)
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#define USB_DEV_BCD_LTEQ(hi) /* less than or equal */ \
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.match_flag_dev_hi = 1, .bcdDevice_hi = (hi)
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#define USB_DEV_CLASS(dc) \
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.match_flag_dev_class = 1, .bDeviceClass = (dc)
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#define USB_DEV_SUBCLASS(dsc) \
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.match_flag_dev_subclass = 1, .bDeviceSubClass = (dsc)
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#define USB_DEV_PROTOCOL(dp) \
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.match_flag_dev_protocol = 1, .bDeviceProtocol = (dp)
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#define USB_IFACE_CLASS(ic) \
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.match_flag_int_class = 1, .bInterfaceClass = (ic)
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#define USB_IFACE_SUBCLASS(isc) \
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.match_flag_int_subclass = 1, .bInterfaceSubClass = (isc)
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#define USB_IFACE_PROTOCOL(ip) \
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.match_flag_int_protocol = 1, .bInterfaceProtocol = (ip)
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#define USB_IF_CSI(class,subclass,info) \
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USB_IFACE_CLASS(class), USB_IFACE_SUBCLASS(subclass), USB_DRIVER_INFO(info)
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#define USB_DRIVER_INFO(ptr) \
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.driver_info = ((const void *)(ptr))
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#define USB_GET_DRIVER_INFO(did) \
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(((const uint8_t *)((did)->driver_info)) - ((const uint8_t *)0))
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const struct usb2_device_id *usb2_lookup_id_by_info(
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const struct usb2_device_id *id, uint32_t sizeof_id,
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const struct usb2_lookup_info *info);
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int usb2_lookup_id_by_uaa(const struct usb2_device_id *id,
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uint32_t sizeof_id, struct usb2_attach_arg *uaa);
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#endif /* _USB2_LOOKUP_H_ */
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