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isa_machdep.c revision 1.7 
      1 /* $NetBSD: isa_machdep.c,v 1.7 1997/04/06 23:22:26 cgd Exp $ */
      2 
      3 /*
      4  * Copyright (c) 1995, 1996 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-specific functions for ISA autoconfiguration.
     32  */
     33 
     34 #include <machine/options.h>		/* Pull in config options headers */
     35 
     36 #include <sys/types.h>
     37 #include <sys/param.h>
     38 #include <sys/time.h>
     39 #include <sys/systm.h>
     40 #include <sys/errno.h>
     41 #include <sys/device.h>
     42 #include <vm/vm.h>
     43 
     44 #include <dev/isa/isavar.h>
     45 
     46 #include "vga_isa.h"
     47 #if NVGA_ISA
     48 #include <alpha/isa/vga_isavar.h>
     49 #endif
     50 
     51 struct {
     52 	int	(*probe) __P((bus_space_tag_t, bus_space_tag_t));
     53 	void	(*console) __P((bus_space_tag_t, bus_space_tag_t));
     54 } isa_display_console_devices[] = {
     55 #if NVGA_ISA
     56 	{ vga_isa_console_match, vga_isa_console_attach },
     57 #endif
     58 	{ },
     59 };
     60 
     61 void
     62 isa_display_console(iot, memt)
     63 	bus_space_tag_t iot, memt;
     64 {
     65 	int i = 0;
     66 
     67 	while (isa_display_console_devices[i].probe != NULL)
     68 		if ((*isa_display_console_devices[i].probe)(iot, memt)) {
     69 			(*isa_display_console_devices[i].console)(iot, memt);
     70 			break;
     71 		}
     72 }
     73