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+/* $OpenBSD: diovar.h,v 1.1 1997/01/12 15:12:27 downsj Exp $ */
+/* $NetBSD: diovar.h,v 1.1 1996/12/17 08:41:05 thorpej Exp $ */
+
+/*-
+ * Copyright (c) 1996 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Jason R. Thorpe.
+ *
+ * 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.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by the NetBSD
+ * Foundation, Inc. and its contributors.
+ * 4. Neither the name of The NetBSD Foundation nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 REGENTS 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.
+ */
+
+/*
+ * Autoconfiguration definitions and prototypes for the DIO bus.
+ */
+
+/*
+ * Arguments used to attach a device to the DIO bus.
+ */
+struct dio_attach_args {
+ int da_scode; /* select code */
+ int da_size; /* size of address space */
+ u_int8_t da_id; /* primary device id */
+ u_int8_t da_secid; /* secondary device id */
+};
+
+/*
+ * This structure is used by the autoconfiguration code to lookup
+ * the size of a DIO device (not all use one select code).
+ */
+struct dio_devdata {
+ u_int8_t dd_id; /* primary device id */
+ u_int8_t dd_secid; /* secondary device id */
+ int dd_nscode; /* number of select codes */
+};
+
+/*
+ * This structure is used by the autoconfiguration code to print
+ * a textual description of a device.
+ */
+struct dio_devdesc {
+ u_int8_t dd_id; /* primary device id */
+ u_int8_t dd_secid; /* secondary device id */
+ const char *dd_desc; /* description */
+};
+
+#define diocf_scode cf_loc[0]
+
+#define DIO_UNKNOWN_SCODE -1
+
+#ifdef _KERNEL
+void *dio_scodetopa __P((int));
+#endif /* _KERNEL */