xref: /netbsd/sys/arch/alpha/isa/isa_machdep.c (revision bf9ec67e)
1 /* $NetBSD: isa_machdep.c,v 1.13 2000/06/29 09:02:57 mrg 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@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 1.13 2000/06/29 09:02:57 mrg 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 
45 #include <uvm/uvm_extern.h>
46 
47 #include <dev/isa/isavar.h>
48 
49 #include "vga_isa.h"
50 #if NVGA_ISA
51 #include <dev/ic/mc6845reg.h>
52 #include <dev/ic/pcdisplayvar.h>
53 #include <dev/isa/vga_isavar.h>
54 #endif
55 
56 #include "pcppi.h"
57 #if (NPCPPI > 0)
58 #include <dev/isa/pcppivar.h>
59 
60 int isabeepmatch __P((struct device *, struct cfdata *, void *));
61 void isabeepattach __P((struct device *, struct device *, void *));
62 
63 struct cfattach isabeep_ca = {
64 	sizeof(struct device), isabeepmatch, isabeepattach
65 };
66 
67 static int ppi_attached;
68 static pcppi_tag_t ppicookie;
69 #endif /* PCPPI */
70 
71 int
72 isa_display_console(iot, memt)
73 	bus_space_tag_t iot, memt;
74 {
75 	int res = ENXIO;
76 #if NVGA_ISA
77 	res = vga_isa_cnattach(iot, memt);
78 	if (!res)
79 		return(0);
80 #endif
81 	return(res);
82 }
83 
84 #if (NPCPPI > 0)
85 int
86 isabeepmatch(parent, match, aux)
87 	struct device *parent;
88 	struct cfdata *match;
89 	void *aux;
90 {
91 	return (!ppi_attached);
92 }
93 
94 void
95 isabeepattach(parent, self, aux)
96 	struct device *parent, *self;
97 	void *aux;
98 {
99 	printf("\n");
100 
101 	ppicookie = ((struct pcppi_attach_args *)aux)->pa_cookie;
102 	ppi_attached = 1;
103 }
104 #endif
105 
106 void
107 isabeep(pitch, period)
108 	int pitch, period;
109 {
110 #if (NPCPPI > 0)
111 	if (ppi_attached)
112 		pcppi_bell(ppicookie, pitch, period, 0);
113 #endif
114 }
115