Home | History | Annotate | Line # | Download | only in isa
isa_machdep.c revision 1.5.2.1
      1  1.5.2.1  cgd /* $NetBSD: isa_machdep.c,v 1.5.2.1 1997/06/01 04:12:46 cgd 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  1.5.2.1  cgd  * Machine-specific functions for ISA autoconfiguration.
     32      1.4  cgd  */
     33  1.5.2.1  cgd 
     34  1.5.2.1  cgd #include <machine/options.h>		/* Config options headers */
     35  1.5.2.1  cgd #include <sys/cdefs.h>			/* RCS ID & Copyright macro defns */
     36  1.5.2.1  cgd 
     37  1.5.2.1  cgd __KERNEL_RCSID(0, "$NetBSD: isa_machdep.c,v 1.5.2.1 1997/06/01 04:12:46 cgd Exp $");
     38      1.4  cgd 
     39      1.4  cgd #include <sys/types.h>
     40      1.1  cgd #include <sys/param.h>
     41      1.4  cgd #include <sys/time.h>
     42      1.1  cgd #include <sys/systm.h>
     43      1.4  cgd #include <sys/errno.h>
     44      1.1  cgd #include <sys/device.h>
     45      1.4  cgd #include <vm/vm.h>
     46      1.1  cgd 
     47      1.1  cgd #include <dev/isa/isavar.h>
     48      1.1  cgd 
     49      1.4  cgd #include "vga_isa.h"
     50      1.4  cgd #if NVGA_ISA
     51      1.4  cgd #include <alpha/isa/vga_isavar.h>
     52      1.4  cgd #endif
     53      1.1  cgd 
     54      1.4  cgd struct {
     55      1.4  cgd 	int	(*probe) __P((bus_space_tag_t, bus_space_tag_t));
     56      1.4  cgd 	void	(*console) __P((bus_space_tag_t, bus_space_tag_t));
     57      1.4  cgd } isa_display_console_devices[] = {
     58      1.4  cgd #if NVGA_ISA
     59      1.5  cgd 	{ vga_isa_console_match, vga_isa_console_attach },
     60      1.4  cgd #endif
     61      1.4  cgd 	{ },
     62      1.1  cgd };
     63      1.1  cgd 
     64      1.1  cgd void
     65      1.4  cgd isa_display_console(iot, memt)
     66      1.4  cgd 	bus_space_tag_t iot, memt;
     67      1.1  cgd {
     68      1.4  cgd 	int i = 0;
     69      1.1  cgd 
     70      1.4  cgd 	while (isa_display_console_devices[i].probe != NULL)
     71      1.4  cgd 		if ((*isa_display_console_devices[i].probe)(iot, memt)) {
     72      1.4  cgd 			(*isa_display_console_devices[i].console)(iot, memt);
     73      1.4  cgd 			break;
     74      1.4  cgd 		}
     75      1.1  cgd }
     76