Home | History | Annotate | Line # | Download | only in dev 
      1 /*	$NetBSD: diovar.h,v 1.13 2008/04/28 20:23:19 martin Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1996, 1997, 1998 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Jason R. Thorpe.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 /*
     33  * Autoconfiguration definitions and prototypes for the DIO bus.
     34  */
     35 
     36 #include <machine/bus.h>
     37 
     38 /*
     39  * Arguments used to attach a device to the DIO bus.
     40  */
     41 struct dio_attach_args {
     42 	bus_space_tag_t da_bst;		/* bus space tag */
     43 	int	da_scode;		/* select code */
     44 	int	da_addr;		/* device address */
     45 	int	da_size;		/* size of address space */
     46 	int	da_ipl;			/* interrupt priority level */
     47 	uint8_t da_id;			/* primary device id */
     48 	uint8_t da_secid;		/* secondary device id */
     49 };
     50 
     51 /*
     52  * This structure is used by the autoconfiguration code to lookup
     53  * the size of a DIO device (not all use one select code).
     54  */
     55 struct dio_devdata {
     56 	uint8_t dd_id;			/* primary device id */
     57 	uint8_t dd_secid;		/* secondary device id */
     58 	int	dd_nscode;		/* number of select codes */
     59 };
     60 
     61 /*
     62  * This structure is used by the autoconfiguration code to print
     63  * a textual description of a device.
     64  */
     65 struct dio_devdesc {
     66 	uint8_t dd_id;			/* primary device id */
     67 	uint8_t dd_secid;		/* secondary device id */
     68 	const char *dd_desc;		/* description */
     69 };
     70 
     71 #ifdef _KERNEL
     72 void	*dio_scodetopa(int);
     73 void	*dio_intr_establish(int (*)(void *), void *, int, int);
     74 void	dio_intr_disestablish(void *);
     75 void	dio_set_bus_space_oddbyte(bus_space_tag_t);
     76 #endif /* _KERNEL */
     77