1 files changed, 72 insertions, 0 deletions
diff --git a/sys/dev/onewire/onewirereg.h b/sys/dev/onewire/onewirereg.h
new file mode 100644
index 00000000000..6462e8db696
--- /dev/null
+++ b/sys/dev/onewire/onewirereg.h
@@ -0,0 +1,72 @@
+/*	$OpenBSD: onewirereg.h,v 1.1 2006/03/04 16:27:03 grange Exp $	*/
+
+/*
+ * Copyright (c) 2006 Alexander Yurchenko <grange@openbsd.org>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef _DEV_ONEWIRE_ONEWIREREG_H_
+#define _DEV_ONEWIRE_ONEWIREREG_H_
+
+/*
+ * 1-Wire bus protocol definitions.
+ */
+
+/*
+ * 64-bit ROM section.
+ */
+
+/* Family code */
+#define ONEWIRE_ROM_FAMILY(x)		((x) & 0xff)
+#define ONEWIRE_ROM_FAMILY_TYPE(x)	((x) & 0x7f)
+#define ONEWIRE_ROM_FAMILY_CUSTOM(x)	(((x) >> 7) & 0x1)
+
+/* Serial number */
+#define ONEWIRE_ROM_SN(x)		(((x) >> 8) & 0xffffffffffffULL)
+
+/* CRC */
+#define ONEWIRE_ROM_CRC(x)		(((x) >> 56) & 0xff)
+
+/*
+ * Command set.
+ */
+
+/* ROM commands */
+#define ONEWIRE_CMD_READ_ROM		0x33
+#define ONEWIRE_CMD_SKIP_ROM		0xcc
+#define ONEWIRE_CMD_MATCH_ROM		0x55
+#define ONEWIRE_CMD_SEARCH_ROM		0xf0
+#define ONEWIRE_CMD_OVERDRIVE_SKIP_ROM	0x3c
+#define ONEWIRE_CMD_OVERDRIVE_MATCH_ROM	0x69
+
+/* Scratchpad commands */
+#define ONEWIRE_CMD_READ_SCRATCHPAD	0xaa
+#define ONEWIRE_CMD_WRITE_SCRATCHPAD	0x0f
+#define ONEWIRE_CMD_COPY_SCRATCHPAD	0x55
+
+/* Memory commands */
+#define ONEWIRE_CMD_READ_MEMORY		0xf0
+#define ONEWIRE_CMD_WRITE_MEMORY	0x0f
+#define ONEWIRE_CMD_EXT_READ_MEMORY	0xa5
+
+/* Password commands */
+#define ONEWIRE_CMD_READ_SUBKEY		0x66
+#define ONEWIRE_CMD_WRITE_SUBKEY	0x99
+#define ONEWIRE_CMD_WRITE_PASSWORD	0x5a
+
+/* Status commands */
+#define ONEWIRE_CMD_READ_STATUS		0xaa
+#define ONEWIRE_CMD_WRITE_STATUS	0x55
+
+#endif	/* !_DEV_ONEWIRE_ONEWIREREG_H_ */