diff options
Diffstat (limited to 'sys/dev/usb/usb_lookup.h')
| -rw-r--r-- | sys/dev/usb/usb_lookup.h | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/sys/dev/usb/usb_lookup.h b/sys/dev/usb/usb_lookup.h new file mode 100644 index 0000000..e447292 --- /dev/null +++ b/sys/dev/usb/usb_lookup.h @@ -0,0 +1,122 @@ +/* $FreeBSD$ */ +/*- + * Copyright (c) 2008 Hans Petter Selasky. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#ifndef _USB2_LOOKUP_H_ +#define _USB2_LOOKUP_H_ + +struct usb2_attach_arg; + +/* + * The following structure is used when looking up an USB driver for + * an USB device. It is inspired by the Linux structure called + * "usb2_device_id". + */ +struct usb2_device_id { + + /* Hook for driver specific information */ + const void *driver_info; + + /* Used for product specific matches; the BCD range is inclusive */ + uint16_t idVendor; + uint16_t idProduct; + uint16_t bcdDevice_lo; + uint16_t bcdDevice_hi; + + /* Used for device class matches */ + uint8_t bDeviceClass; + uint8_t bDeviceSubClass; + uint8_t bDeviceProtocol; + + /* Used for interface class matches */ + uint8_t bInterfaceClass; + uint8_t bInterfaceSubClass; + uint8_t bInterfaceProtocol; + + /* Select which fields to match against */ + uint8_t match_flag_vendor:1; + uint8_t match_flag_product:1; + uint8_t match_flag_dev_lo:1; + uint8_t match_flag_dev_hi:1; + uint8_t match_flag_dev_class:1; + uint8_t match_flag_dev_subclass:1; + uint8_t match_flag_dev_protocol:1; + uint8_t match_flag_int_class:1; + uint8_t match_flag_int_subclass:1; + uint8_t match_flag_int_protocol:1; +}; + +#define USB_VENDOR(vend) \ + .match_flag_vendor = 1, .idVendor = (vend) + +#define USB_PRODUCT(prod) \ + .match_flag_product = 1, .idProduct = (prod) + +#define USB_VP(vend,prod) \ + USB_VENDOR(vend), USB_PRODUCT(prod) + +#define USB_VPI(vend,prod,info) \ + USB_VENDOR(vend), USB_PRODUCT(prod), USB_DRIVER_INFO(info) + +#define USB_DEV_BCD_GTEQ(lo) /* greater than or equal */ \ + .match_flag_dev_lo = 1, .bcdDevice_lo = (lo) + +#define USB_DEV_BCD_LTEQ(hi) /* less than or equal */ \ + .match_flag_dev_hi = 1, .bcdDevice_hi = (hi) + +#define USB_DEV_CLASS(dc) \ + .match_flag_dev_class = 1, .bDeviceClass = (dc) + +#define USB_DEV_SUBCLASS(dsc) \ + .match_flag_dev_subclass = 1, .bDeviceSubClass = (dsc) + +#define USB_DEV_PROTOCOL(dp) \ + .match_flag_dev_protocol = 1, .bDeviceProtocol = (dp) + +#define USB_IFACE_CLASS(ic) \ + .match_flag_int_class = 1, .bInterfaceClass = (ic) + +#define USB_IFACE_SUBCLASS(isc) \ + .match_flag_int_subclass = 1, .bInterfaceSubClass = (isc) + +#define USB_IFACE_PROTOCOL(ip) \ + .match_flag_int_protocol = 1, .bInterfaceProtocol = (ip) + +#define USB_IF_CSI(class,subclass,info) \ + USB_IFACE_CLASS(class), USB_IFACE_SUBCLASS(subclass), USB_DRIVER_INFO(info) + +#define USB_DRIVER_INFO(ptr) \ + .driver_info = ((const void *)(ptr)) + +#define USB_GET_DRIVER_INFO(did) \ + (((const uint8_t *)((did)->driver_info)) - ((const uint8_t *)0)) + +const struct usb2_device_id *usb2_lookup_id_by_info( + const struct usb2_device_id *id, uint32_t sizeof_id, + const struct usb2_lookup_info *info); +int usb2_lookup_id_by_uaa(const struct usb2_device_id *id, + uint32_t sizeof_id, struct usb2_attach_arg *uaa); + +#endif /* _USB2_LOOKUP_H_ */ |
