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/*
* Mach Operating System
* Copyright (c) 1993 Carnegie Mellon University
* All Rights Reserved.
*
* Permission to use, copy, modify and distribute this software and its
* documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
* ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* Carnegie Mellon requests users of this software to return to
*
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
*
* any improvements or extensions that they make and grant Carnegie Mellon
* the rights to redistribute these changes.
*/
/*
* Copyright 1992 by Open Software Foundation,
* Grenoble, FRANCE
*
* All Rights Reserved
*
* Permission to use, copy, modify, and distribute this software and
* its documentation for any purpose and without fee is hereby granted,
* provided that the above copyright notice appears in all copies and
* that both the copyright notice and this permission notice appear in
* supporting documentation, and that the name of OSF or Open Software
* Foundation not be used in advertising or publicity pertaining to
* distribution of the software without specific, written prior
* permission.
*
* OSF DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS,
* IN NO EVENT SHALL OSF BE LIABLE FOR ANY SPECIAL, INDIRECT, OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
* LOSS OF USE, DATA OR PROFITS, WHETHER IN ACTION OF CONTRACT,
* NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/*
* Eisa defs
*/
#ifndef _I386AT_EISA_H_
#define _I386AT_EISA_H_
#include <mach/boolean.h>
#if EISA
extern boolean_t is_eisa_bus;
#define EISA_ID_REG(board, byte) (0xc80 | (byte) | ((board) << 12))
#define EISA_ID_REG_0 0x0
#define EISA_ID_REG_1 0x1
#define EISA_ID_REG_2 0x2
#define EISA_ID_REG_3 0x3
#define EISA_SYSTEM_BOARD 0x0
struct std_board_id {
unsigned revision: 8, /* Revision number */
product: 8; /* Product number */
};
struct sys_board_id {
unsigned bus_vers: 3, /* EISA bus version */
reserved: 13; /* Manufacturer reserved */
};
struct board_id {
union {
struct sys_board_id sys_id;
struct std_board_id std_id;
} bd_id;
unsigned name_char_2: 5, /* 3nd compressed char */
name_char_1: 5, /* 2nd compressed char */
name_char_0: 5, /* 1st compressed char */
not_eisa: 1; /* 0 if eisa board */
};
union eisa_board_id {
unsigned char byte[4];
struct board_id id;
};
typedef union eisa_board_id eisa_board_id_t;
/* Additional DMA registers */
#define DMA0HIPAGE 0x481 /* DMA 0 address: bits 24-31 */
#define DMA0HICNT 0x405 /* DMA 0 count: bits 16-23 */
#else /* EISA */
#define is_eisa_bus FALSE
#define probe_eisa()
#endif /* EISA */
#endif /* _I386AT_EISA_H_ */
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