1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* Copyright (c) 1990, 1991 UNIX System Laboratories, Inc. */ 23 /* Copyright (c) 1984, 1986, 1987, 1988, 1989, 1990 AT&T */ 24 /* All Rights Reserved */ 25 26 #ifndef _SYS_CRAM_H 27 #define _SYS_CRAM_H 28 29 #include <sys/types.h> 30 #include <sys/ksynch.h> 31 #include <sys/kmem.h> 32 33 #ifdef __cplusplus 34 extern "C" { 35 #endif 36 37 /* 38 * Defines for accessing the PC AT CMOS ram. 39 */ 40 41 #define CMOS_ADDR 0x70 /* I/O port address for CMOS ram address */ 42 #define CMOS_DATA 0x71 /* I/O port address for CMOS ram data */ 43 44 #define DSB 0x0e /* Diagnostic status byte ram address */ 45 #define SSB 0x0f /* Shutdown status byte ram address */ 46 #define DDTB 0x10 /* Diskette drive type byte ram address */ 47 #define FDTB 0x12 /* Fixed disk type byte ram address */ 48 #define EB 0x14 /* Equipment byte ram address */ 49 #define BMLOW 0x15 /* Base mem size low byte ram address */ 50 #define BMHIGH 0x16 /* Base mem size high byte ram address */ 51 #define EMLOW 0x17 /* Expansion mem size low byte ram address */ 52 #define EMHIGH 0x18 /* Expansion mem size high byte ram address */ 53 #define DCEB 0x19 /* Drive C Extended byte ram address */ 54 #define DDEB 0x1a /* Drive D Extended byte ram address */ 55 #define CKSUMLOW 0x2e /* Checksum low byte ram address */ 56 #define CKSUMHIGH 0x2f /* Checksum high byte ram address */ 57 #define EMLOW2 0x30 /* Expansion mem size low byte ram address */ 58 #define EMHIGH2 0x31 /* Expansion mem size high byte ram address */ 59 #define DCB 0x32 /* Date century byte ram address */ 60 #define IF 0x33 /* Information flag ram address */ 61 62 /* 63 * ioctls for accessing CMOS ram. 64 */ 65 #define CMOSIOC ('C' << 8) 66 67 #define CMOSREAD (CMOSIOC | 0x01) 68 #define CMOSWRITE (CMOSIOC | 0x02) 69 70 extern unsigned char CMOSread(); 71 72 /* Ports for interacting with chip at */ 73 74 #define CMOSADDR 0x70 /* Use to select RAM address */ 75 #define CMOSDATA 0x71 /* R/W data */ 76 77 /* Number of cmos bytes */ 78 79 #define CMOSSIZE 0x40 /* 64 addressable bytes in chip */ 80 81 /* Addresses of interest */ 82 83 #define CMOSDIAG 0x0e /* Diagnostic Status */ 84 #define CMOSFDT 0x10 /* Floppy Disk Type */ 85 #define CMOSHDT 0x12 /* Hard Disk Type; bits 7-4 are 1st drive */ 86 #define CMOSEQP 0x14 /* Diskette, Video, and CoProcessor info */ 87 #define CMOSADF 0x2d /* Additional flags - Compaq VDU info */ 88 89 /* Shifts of interest */ 90 91 #define VID_SHFT 4 /* Shift display type bits into 0-3 */ 92 93 /* masks of interest */ 94 #define CMPQVDU 0x04 /* Compaq VDU bit */ 95 #define CMPQDMM 0x01 /* Compaq Dual Mode Monitor bit */ 96 97 #ifdef __cplusplus 98 } 99 #endif 100 101 #endif /* _SYS_CRAM_H */ 102