1 files changed, 119 insertions, 0 deletions
diff --git a/freebsd/sys/dev/usb/usb_endian.h b/freebsd/sys/dev/usb/usb_endian.h
new file mode 100644
index 00000000..54c965d7
--- /dev/null
+++ b/freebsd/sys/dev/usb/usb_endian.h
@@ -0,0 +1,119 @@
+/* $FreeBSD$ */
+/*
+ * 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 _USB_ENDIAN_HH_
+#define	_USB_ENDIAN_HH_
+
+#include <freebsd/sys/stdint.h>
+#include <freebsd/sys/endian.h>
+
+/*
+ * Declare the basic USB record types. USB records have an alignment
+ * of 1 byte and are always packed.
+ */
+typedef uint8_t uByte;
+typedef uint8_t uWord[2];
+typedef uint8_t uDWord[4];
+typedef uint8_t uQWord[8];
+
+/*
+ * Define a set of macros that can get and set data independent of
+ * CPU endianness and CPU alignment requirements:
+ */
+#define	UGETB(w)			\
+  ((w)[0])
+
+#define	UGETW(w)			\
+  ((w)[0] |				\
+  (((uint16_t)((w)[1])) << 8))
+
+#define	UGETDW(w)			\
+  ((w)[0] |				\
+  (((uint16_t)((w)[1])) << 8) |		\
+  (((uint32_t)((w)[2])) << 16) |	\
+  (((uint32_t)((w)[3])) << 24))
+
+#define	UGETQW(w)			\
+  ((w)[0] |				\
+  (((uint16_t)((w)[1])) << 8) |		\
+  (((uint32_t)((w)[2])) << 16) |	\
+  (((uint32_t)((w)[3])) << 24) |	\
+  (((uint64_t)((w)[4])) << 32) |	\
+  (((uint64_t)((w)[5])) << 40) |	\
+  (((uint64_t)((w)[6])) << 48) |	\
+  (((uint64_t)((w)[7])) << 56))
+
+#define	USETB(w,v) do {			\
+  (w)[0] = (uint8_t)(v);		\
+} while (0)
+
+#define	USETW(w,v) do {			\
+  (w)[0] = (uint8_t)(v);		\
+  (w)[1] = (uint8_t)((v) >> 8);		\
+} while (0)
+
+#define	USETDW(w,v) do {		\
+  (w)[0] = (uint8_t)(v);		\
+  (w)[1] = (uint8_t)((v) >> 8);		\
+  (w)[2] = (uint8_t)((v) >> 16);	\
+  (w)[3] = (uint8_t)((v) >> 24);	\
+} while (0)
+
+#define	USETQW(w,v) do {		\
+  (w)[0] = (uint8_t)(v);		\
+  (w)[1] = (uint8_t)((v) >> 8);		\
+  (w)[2] = (uint8_t)((v) >> 16);	\
+  (w)[3] = (uint8_t)((v) >> 24);	\
+  (w)[4] = (uint8_t)((v) >> 32);	\
+  (w)[5] = (uint8_t)((v) >> 40);	\
+  (w)[6] = (uint8_t)((v) >> 48);	\
+  (w)[7] = (uint8_t)((v) >> 56);	\
+} while (0)
+
+#define	USETW2(w,b1,b0) do {		\
+  (w)[0] = (uint8_t)(b0);		\
+  (w)[1] = (uint8_t)(b1);		\
+} while (0)
+
+#define	USETW4(w,b3,b2,b1,b0) do {	\
+  (w)[0] = (uint8_t)(b0);		\
+  (w)[1] = (uint8_t)(b1);		\
+  (w)[2] = (uint8_t)(b2);		\
+  (w)[3] = (uint8_t)(b3);		\
+} while (0)
+
+#define	USETW8(w,b7,b6,b5,b4,b3,b2,b1,b0) do {	\
+  (w)[0] = (uint8_t)(b0);		\
+  (w)[1] = (uint8_t)(b1);		\
+  (w)[2] = (uint8_t)(b2);		\
+  (w)[3] = (uint8_t)(b3);		\
+  (w)[4] = (uint8_t)(b4);		\
+  (w)[5] = (uint8_t)(b5);		\
+  (w)[6] = (uint8_t)(b6);		\
+  (w)[7] = (uint8_t)(b7);		\
+} while (0)
+
+#endif					/* _USB_ENDIAN_HH_ */