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autoconf.h revision 1.2 
      1 /*	$NetBSD: autoconf.h,v 1.2 1995/09/20 04:33:00 jonathan Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1994, 1995 Carnegie-Mellon University.
      5  * All rights reserved.
      6  *
      7  * Author: Chris G. Demetriou
      8  *
      9  * Permission to use, copy, modify and distribute this software and
     10  * its documentation is hereby granted, provided that both the copyright
     11  * notice and this permission notice appear in all copies of the
     12  * software, derivative works or modified versions, and any portions
     13  * thereof, and that both notices appear in supporting documentation.
     14  *
     15  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
     16  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
     17  * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
     18  *
     19  * Carnegie Mellon requests users of this software to return to
     20  *
     21  *  Software Distribution Coordinator  or  Software.Distribution (at) CS.CMU.EDU
     22  *  School of Computer Science
     23  *  Carnegie Mellon University
     24  *  Pittsburgh PA 15213-3890
     25  *
     26  * any improvements or extensions that they make and grant Carnegie the
     27  * rights to redistribute these changes.
     28  */
     29 
     30 /*
     31  * Machine-dependent structures of autoconfiguration
     32  */
     33 
     34 struct confargs;
     35 
     36 /* Handle device interrupt for  given unit of a driver */
     37 
     38 typedef void* intr_arg_t;		/* pointer to some softc */
     39 typedef int (*intr_handler_t) __P((intr_arg_t));
     40 
     41 struct abus {
     42 	struct	device *ab_dv;		/* back-pointer to device */
     43 	int	ab_type;		/* bus type (see below) */
     44 	void	(*ab_intr_establish)	/* bus's set-handler function */
     45 		    __P((struct confargs *, intr_handler_t, intr_arg_t));
     46 	void	(*ab_intr_disestablish)	/* bus's unset-handler function */
     47 		    __P((struct confargs *));
     48 	caddr_t	(*ab_cvtaddr)		/* convert slot/offset to address */
     49 		    __P((struct confargs *));
     50 	int	(*ab_matchname)		/* see if name matches driver */
     51 		    __P((struct confargs *, char *));
     52 };
     53 
     54 #define	BUS_MAIN	1		/* mainbus */
     55 #define	BUS_TC		2		/* TurboChannel */
     56 #define	BUS_ASIC	3		/* IOCTL ASIC; under TurboChannel */
     57 #define	BUS_TCDS	4		/* TCDS ASIC; under TurboChannel */
     58 
     59 #define KN02_ASIC_NAME "KN02    "	/* very special */
     60 
     61 #define	BUS_INTR_ESTABLISH(ca, handler, val)				\
     62 	    (*(ca)->ca_bus->ab_intr_establish)((ca), (handler), (val))
     63 #define	BUS_INTR_DISESTABLISH(ca)					\
     64 	    (*(ca)->ca_bus->ab_intr_establish)(ca)
     65 #define	BUS_CVTADDR(ca)							\
     66 	    (*(ca)->ca_bus->ab_cvtaddr)(ca)
     67 #define	BUS_MATCHNAME(ca, name)						\
     68 	    (*(ca)->ca_bus->ab_matchname)((ca), (name))
     69 
     70 struct confargs {
     71 	char	*ca_name;		/* Device name. */
     72 	int	ca_slot;		/* Device slot (table entry). */
     73 	int	ca_slotpri;		/* Device interrupt "priority" */
     74 	int	ca_offset;		/* Offset into slot. */
     75 	struct	abus *ca_bus;		/* bus device resides on. */
     76 };
     77 
     78 
     79 #ifndef pmax
     80 void	set_clockintr __P((void (*)(struct clockframe *)));
     81 #endif
     82 void	set_iointr __P((void (*)(void *, int)));
     83 int	badaddr			__P((void *, u_int));
     84