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isa_machdep.c revision 1.12 
      1 /* $NetBSD: isa_machdep.c,v 1.12 1998/08/07 10:26:39 drochner 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 <sys/cdefs.h>			/* RCS ID & Copyright macro defns */
     35 
     36 __KERNEL_RCSID(0, "$NetBSD: isa_machdep.c,v 1.12 1998/08/07 10:26:39 drochner Exp $");
     37 
     38 #include <sys/types.h>
     39 #include <sys/param.h>
     40 #include <sys/time.h>
     41 #include <sys/systm.h>
     42 #include <sys/errno.h>
     43 #include <sys/device.h>
     44 #include <vm/vm.h>
     45 
     46 #include <dev/isa/isavar.h>
     47 
     48 #include "vga_isa.h"
     49 #if NVGA_ISA
     50 #include <dev/ic/mc6845reg.h>
     51 #include <dev/ic/pcdisplayvar.h>
     52 #include <dev/isa/vga_isavar.h>
     53 #endif
     54 
     55 #include "pcppi.h"
     56 #if (NPCPPI > 0)
     57 #include <dev/isa/pcppivar.h>
     58 
     59 int isabeepmatch __P((struct device *, struct cfdata *, void *));
     60 void isabeepattach __P((struct device *, struct device *, void *));
     61 
     62 struct cfattach isabeep_ca = {
     63 	sizeof(struct device), isabeepmatch, isabeepattach
     64 };
     65 
     66 static int ppi_attached;
     67 static pcppi_tag_t ppicookie;
     68 #endif /* PCPPI */
     69 
     70 int
     71 isa_display_console(iot, memt)
     72 	bus_space_tag_t iot, memt;
     73 {
     74 	int res = ENXIO;
     75 #if NVGA_ISA
     76 	res = vga_isa_cnattach(iot, memt);
     77 	if (!res)
     78 		return(0);
     79 #endif
     80 	return(res);
     81 }
     82 
     83 #if (NPCPPI > 0)
     84 int
     85 isabeepmatch(parent, match, aux)
     86 	struct device *parent;
     87 	struct cfdata *match;
     88 	void *aux;
     89 {
     90 	return (!ppi_attached);
     91 }
     92 
     93 void
     94 isabeepattach(parent, self, aux)
     95 	struct device *parent, *self;
     96 	void *aux;
     97 {
     98 	printf("\n");
     99 
    100 	ppicookie = ((struct pcppi_attach_args *)aux)->pa_cookie;
    101 	ppi_attached = 1;
    102 }
    103 #endif
    104 
    105 void
    106 isabeep(pitch, period)
    107 	int pitch, period;
    108 {
    109 #if (NPCPPI > 0)
    110 	if (ppi_attached)
    111 		pcppi_bell(ppicookie, pitch, period, 0);
    112 #endif
    113 }
    114