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isa_machdep.c revision 1.9
      1  1.9  thorpej /* $NetBSD: isa_machdep.c,v 1.9 1997/09/02 13:18:55 thorpej Exp $ */
      2  1.1      cgd 
      3  1.1      cgd /*
      4  1.4      cgd  * Copyright (c) 1995, 1996 Carnegie-Mellon University.
      5  1.1      cgd  * All rights reserved.
      6  1.1      cgd  *
      7  1.1      cgd  * Author: Chris G. Demetriou
      8  1.1      cgd  *
      9  1.1      cgd  * Permission to use, copy, modify and distribute this software and
     10  1.1      cgd  * its documentation is hereby granted, provided that both the copyright
     11  1.1      cgd  * notice and this permission notice appear in all copies of the
     12  1.1      cgd  * software, derivative works or modified versions, and any portions
     13  1.1      cgd  * thereof, and that both notices appear in supporting documentation.
     14  1.1      cgd  *
     15  1.1      cgd  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
     16  1.1      cgd  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
     17  1.1      cgd  * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
     18  1.1      cgd  *
     19  1.1      cgd  * Carnegie Mellon requests users of this software to return to
     20  1.1      cgd  *
     21  1.1      cgd  *  Software Distribution Coordinator  or  Software.Distribution (at) CS.CMU.EDU
     22  1.1      cgd  *  School of Computer Science
     23  1.1      cgd  *  Carnegie Mellon University
     24  1.1      cgd  *  Pittsburgh PA 15213-3890
     25  1.1      cgd  *
     26  1.1      cgd  * any improvements or extensions that they make and grant Carnegie the
     27  1.1      cgd  * rights to redistribute these changes.
     28  1.1      cgd  */
     29  1.1      cgd 
     30  1.4      cgd /*
     31  1.6      cgd  * Machine-specific functions for ISA autoconfiguration.
     32  1.4      cgd  */
     33  1.7      cgd 
     34  1.8      cgd #include <sys/cdefs.h>			/* RCS ID & Copyright macro defns */
     35  1.8      cgd 
     36  1.9  thorpej __KERNEL_RCSID(0, "$NetBSD: isa_machdep.c,v 1.9 1997/09/02 13:18:55 thorpej Exp $");
     37  1.4      cgd 
     38  1.4      cgd #include <sys/types.h>
     39  1.1      cgd #include <sys/param.h>
     40  1.4      cgd #include <sys/time.h>
     41  1.1      cgd #include <sys/systm.h>
     42  1.4      cgd #include <sys/errno.h>
     43  1.1      cgd #include <sys/device.h>
     44  1.4      cgd #include <vm/vm.h>
     45  1.1      cgd 
     46  1.1      cgd #include <dev/isa/isavar.h>
     47  1.1      cgd 
     48  1.4      cgd #include "vga_isa.h"
     49  1.4      cgd #if NVGA_ISA
     50  1.4      cgd #include <alpha/isa/vga_isavar.h>
     51  1.4      cgd #endif
     52  1.1      cgd 
     53  1.4      cgd struct {
     54  1.4      cgd 	int	(*probe) __P((bus_space_tag_t, bus_space_tag_t));
     55  1.4      cgd 	void	(*console) __P((bus_space_tag_t, bus_space_tag_t));
     56  1.4      cgd } isa_display_console_devices[] = {
     57  1.4      cgd #if NVGA_ISA
     58  1.5      cgd 	{ vga_isa_console_match, vga_isa_console_attach },
     59  1.4      cgd #endif
     60  1.4      cgd 	{ },
     61  1.1      cgd };
     62  1.1      cgd 
     63  1.1      cgd void
     64  1.4      cgd isa_display_console(iot, memt)
     65  1.4      cgd 	bus_space_tag_t iot, memt;
     66  1.1      cgd {
     67  1.4      cgd 	int i = 0;
     68  1.1      cgd 
     69  1.4      cgd 	while (isa_display_console_devices[i].probe != NULL)
     70  1.4      cgd 		if ((*isa_display_console_devices[i].probe)(iot, memt)) {
     71  1.4      cgd 			(*isa_display_console_devices[i].console)(iot, memt);
     72  1.4      cgd 			break;
     73  1.4      cgd 		}
     74  1.1      cgd }
     75