1 files changed, 106 insertions, 0 deletions
diff --git a/sys/dev/ow/own.h b/sys/dev/ow/own.h
new file mode 100644
index 0000000..769730f
--- /dev/null
+++ b/sys/dev/ow/own.h
@@ -0,0 +1,106 @@
+/*-
+ * Copyright (c) 2015 M. Warner Losh <imp@freebsd.org>
+ * 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 unmodified, 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 ``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 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.
+ *
+ * $FreeBSD$
+ */
+
+#ifndef DEV_OW_OWN_H
+#define DEV_OW_OWN_H 1
+
+#include "own_if.h"
+
+
+#define	READ_ROM	0x33
+#define	MATCH_ROM	0x55
+#define	SKIP_ROM	0xcc
+#define	ALARM_SEARCH	0xec
+#define	SEARCH_ROM	0xf0
+
+static inline int
+own_send_command(device_t pdev, struct ow_cmd *cmd)
+{
+	device_t ndev = device_get_parent(pdev);
+
+	return OWN_SEND_COMMAND(ndev, pdev, cmd);
+}
+
+/*
+ * How args for own_acquire_bus
+ */
+#define	OWN_WAIT	1
+#define	OWN_DONTWAIT	2
+
+static inline int
+own_acquire_bus(device_t pdev, int how)
+{
+	device_t ndev = device_get_parent(pdev);
+
+	return OWN_ACQUIRE_BUS(ndev, pdev, how);
+}
+
+static inline void
+own_release_bus(device_t pdev)
+{
+	device_t ndev = device_get_parent(pdev);
+
+	OWN_RELEASE_BUS(ndev, pdev);
+}
+
+static inline uint8_t
+own_crc(device_t pdev, uint8_t *buffer, size_t len)
+{
+	device_t ndev = device_get_parent(pdev);
+
+	return OWN_CRC(ndev, pdev, buffer, len);
+}
+
+static inline void
+own_self_command(device_t pdev, struct ow_cmd *cmd, uint8_t xpt_cmd)
+{
+	uint8_t *mep;
+
+	memset(cmd, 0, sizeof(*cmd));
+	mep = ow_get_romid(pdev);
+	cmd->rom_cmd[0] = MATCH_ROM;
+	memcpy(&cmd->rom_cmd[1], mep, sizeof(romid_t));
+	cmd->rom_len = 1 + sizeof(romid_t);
+	cmd->xpt_cmd[0] = xpt_cmd;
+	cmd->xpt_len = 1;
+}
+
+static inline int
+own_command_wait(device_t pdev, struct ow_cmd *cmd)
+{
+	int rv;
+
+	rv = own_acquire_bus(pdev, OWN_WAIT);
+	if (rv != 0)
+		return rv;
+	rv = own_send_command(pdev, cmd);
+	own_release_bus(pdev);
+	return rv;
+}
+
+#endif /* DEV_OW_OWLL_H */