diff options
Diffstat (limited to 'sys/dev/usb/usb_mfunc.h')
| -rw-r--r-- | sys/dev/usb/usb_mfunc.h | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/sys/dev/usb/usb_mfunc.h b/sys/dev/usb/usb_mfunc.h new file mode 100644 index 0000000..0fad203 --- /dev/null +++ b/sys/dev/usb/usb_mfunc.h @@ -0,0 +1,78 @@ +/* $FreeBSD$ */ +/*- + * 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. + */ + +/* This file contains various macro functions. */ + +#ifndef _USB2_MFUNC_H_ +#define _USB2_MFUNC_H_ + +#define USB_LOG2(n) ( \ +((x) <= (1<<0x00)) ? 0x00 : \ +((x) <= (1<<0x01)) ? 0x01 : \ +((x) <= (1<<0x02)) ? 0x02 : \ +((x) <= (1<<0x03)) ? 0x03 : \ +((x) <= (1<<0x04)) ? 0x04 : \ +((x) <= (1<<0x05)) ? 0x05 : \ +((x) <= (1<<0x06)) ? 0x06 : \ +((x) <= (1<<0x07)) ? 0x07 : \ +((x) <= (1<<0x08)) ? 0x08 : \ +((x) <= (1<<0x09)) ? 0x09 : \ +((x) <= (1<<0x0A)) ? 0x0A : \ +((x) <= (1<<0x0B)) ? 0x0B : \ +((x) <= (1<<0x0C)) ? 0x0C : \ +((x) <= (1<<0x0D)) ? 0x0D : \ +((x) <= (1<<0x0E)) ? 0x0E : \ +((x) <= (1<<0x0F)) ? 0x0F : \ +((x) <= (1<<0x10)) ? 0x10 : \ +((x) <= (1<<0x11)) ? 0x11 : \ +((x) <= (1<<0x12)) ? 0x12 : \ +((x) <= (1<<0x13)) ? 0x13 : \ +((x) <= (1<<0x14)) ? 0x14 : \ +((x) <= (1<<0x15)) ? 0x15 : \ +((x) <= (1<<0x16)) ? 0x16 : \ +((x) <= (1<<0x17)) ? 0x17 : \ +((x) <= (1<<0x18)) ? 0x18 : \ +((x) <= (1<<0x19)) ? 0x19 : \ +((x) <= (1<<0x1A)) ? 0x1A : \ +((x) <= (1<<0x1B)) ? 0x1B : \ +((x) <= (1<<0x1C)) ? 0x1C : \ +((x) <= (1<<0x1D)) ? 0x1D : \ +((x) <= (1<<0x1E)) ? 0x1E : \ +0x1F) + + +/* helper for converting pointers to integers */ +#define USB_P2U(ptr) \ + (((const uint8_t *)(ptr)) - ((const uint8_t *)0)) + +/* helper for computing offsets */ +#define USB_ADD_BYTES(ptr,size) \ + ((void *)(USB_P2U(ptr) + (size))) + +/* debug macro */ +#define USB_ASSERT KASSERT + +#endif /* _USB2_MFUNC_H_ */ |
