1 files changed, 77 insertions, 0 deletions
diff --git a/sys/dev/usb/usb_defs.h b/sys/dev/usb/usb_defs.h
new file mode 100644
index 0000000..64caf39
--- /dev/null
+++ b/sys/dev/usb/usb_defs.h
@@ -0,0 +1,77 @@
+/* $FreeBSD$ */
+/*-
+ * 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_DEFS_H_
+#define	_USB2_DEFS_H_
+
+/* Definition of some USB constants */
+
+#define	USB_BUS_MAX 256			/* units */
+#define	USB_DEV_MAX 128			/* units */
+#define	USB_IFACE_MAX 32		/* units */
+#define	USB_EP_MAX (2*16)		/* hardcoded */
+#define	USB_FIFO_MAX (4 * USB_EP_MAX)
+
+#define	USB_ROOT_HUB_ADDR 1		/* index */
+
+#define	USB_MIN_DEVICES 2		/* unused + root HUB */
+
+#define	USB_MAX_DEVICES USB_DEV_MAX	/* including virtual root HUB and
+					 * address zero */
+#define	USB_MAX_ENDPOINTS USB_EP_MAX	/* 2 directions on 16 endpoints */
+
+#define	USB_UNCONFIG_INDEX 0xFF		/* internal use only */
+#define	USB_IFACE_INDEX_ANY 0xFF	/* internal use only */
+
+#define	USB_START_ADDR 0		/* default USB device BUS address
+					 * after USB bus reset */
+
+#define	USB_CONTROL_ENDPOINT 0		/* default control endpoint */
+
+#define	USB_FRAMES_PER_SECOND_FS 1000	/* full speed */
+#define	USB_FRAMES_PER_SECOND_HS 8000	/* high speed */
+
+#define	USB_FS_BYTES_PER_HS_UFRAME 188	/* bytes */
+#define	USB_HS_MICRO_FRAMES_MAX 8	/* units */
+
+/* sanity checks */
+
+#if (USB_FIFO_MAX < USB_EP_MAX)
+#error "There cannot be less FIFOs than USB endpoints."
+#endif
+#if (USB_FIFO_MAX & 1)
+#error "Number of FIFOs must be odd."
+#endif
+#if (USB_EP_MAX < (2*16))
+#error "Number of hardware USB endpoints cannot be less than 32."
+#endif
+#if (USB_MAX_DEVICES < USB_MIN_DEVICES)
+#error "Minimum number of devices is greater than maximum number of devices."
+#endif
+#if (USB_ROOT_HUB_ADDR >= USB_MIN_DEVICES)
+#error "The root hub address must be less than USB_MIN_DEVICES."
+#endif
+#endif					/* _USB2_DEFS_H_ */