xref: /netbsd/sys/arch/i386/include/apmvar.h (revision 6550d01e)
1 /*	$NetBSD: apmvar.h,v 1.25 2008/04/28 20:23:24 martin Exp $	*/
2 /*-
3  * Copyright (c) 1995 The NetBSD Foundation, Inc.
4  * All rights reserved.
5  *
6  * This code is derived from software contributed to The NetBSD Foundation
7  * by John Kohl.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice, this list of conditions and the following disclaimer.
14  * 2. Redistributions in binary form must reproduce the above copyright
15  *    notice, this list of conditions and the following disclaimer in the
16  *    documentation and/or other materials provided with the distribution.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
19  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
20  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
21  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
22  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28  * POSSIBILITY OF SUCH DAMAGE.
29  */
30 #ifndef __I386_APM_H__
31 #define __I386_APM_H__
32 
33 #include <dev/apm/apmbios.h>
34 
35 #ifndef _LOCORE
36 #include <dev/apm/apmio.h>
37 #endif /* _LCORE */
38 
39 /*
40  * virtual & physical address of the trampoline
41  * that we use: page 1.
42  */
43 #define APM_BIOSTRAMP	PAGE_SIZE
44 
45 #ifndef _LOCORE
46 /* filled in by apmcall */
47 
48 struct apm_connect_info {
49 	u_int apm_code32_seg_base;	/* real-mode style segment selector */
50 	u_int apm_code16_seg_base;
51 	u_int apm_data_seg_base;
52 	u_int apm_entrypt;
53 	u_short	apm_segsel;		/* segment selector for APM */
54 	u_short _pad1;
55 	u_int apm_code32_seg_len;
56 	u_int apm_code16_seg_len;
57 	u_int apm_data_seg_len;
58 	u_int apm_detail;
59 };
60 
61 #ifdef _KERNEL
62 extern struct apm_connect_info apminfo;	/* in locore */
63 extern int apmpresent;
64 int apmcall(int function, struct bioscallregs *regs);
65 void bioscall(int function, struct bioscallregs *regs);
66 int apm_set_powstate(void *, u_int, u_int);
67 void apminit(void);
68 int apm_busprobe(void);
69 #endif /* _KERNEL */
70 #endif /* _LOCORE */
71 #endif /* __i386_apm_h__ */
72