/*      $NetBSD: isapnpreg.h,v 1.10 2008/04/28 20:23:53 martin Exp $    */

/*-
* Copyright (c) 1996 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Christos Zoulas.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
*    notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
*    notice, this list of conditions and the following disclaimer in the
*    documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/

#ifndef _DEV_ISAPNP_ISAPNPREG_H_
#define _DEV_ISAPNP_ISAPNPREG_H_
/*
* ISA Plug and Play register definitions;
* From Plug and Play ISA Specification V1.0a, May 5 1994
*/

#define ISAPNP_MAX_CARDS                8
#define ISAPNP_MAX_IDENT                32
#define ISAPNP_MAX_DEVCLASS             16
#define ISAPNP_SERIAL_SIZE              9
#define ISAPNP_MAX_TAGSIZE              256

#define ISAPNP_ADDR     0x279   /* Write only */
#define ISAPNP_WRDATA   0xa79   /* Write only */

/* The read port is in range 0x203 to 0x3ff */
#define ISAPNP_RDDATA_MIN       0x203   /* Read only */
#define ISAPNP_RDDATA_MAX       0x3ff

#define ISAPNP_LFSR_INIT        0x6A    /* Initial value of LFSR sequence */
#define ISAPNP_LFSR_LENGTH      32      /* Number of values in LFSR sequence */
                               /* Formula to compute the next value */
#define ISAPNP_LFSR_NEXT(v) (((v) >> 1) | (((v) & 1) ^ (((v) & 2) >> 1)) << 7)

#define ISAPNP_SET_RD_PORT                              0x00
#define ISAPNP_SERIAL_ISOLATION                         0x01
#define ISAPNP_CONFIG_CONTROL                           0x02
#define         ISAPNP_CC_RESET                         0x01
#define         ISAPNP_CC_WAIT_FOR_KEY                  0x02
#define         ISAPNP_CC_RESET_CSN                     0x04
#define         ISAPNP_CC_RESET_DRV                     0x07
#define ISAPNP_WAKE                                     0x03
#define ISAPNP_RESOURCE_DATA                            0x04
#define ISAPNP_STATUS                                   0x05
#define ISAPNP_CARD_SELECT_NUM                          0x06
#define ISAPNP_LOGICAL_DEV_NUM                          0x07

#define ISAPNP_ACTIVATE                                 0x30
#define ISAPNP_IO_RANGE_CHECK                           0x31

#define ISAPNP_NUM_MEM                                  4
#define ISAPNP_MEM_DESC { 0x40, 0x48, 0x50, 0x58 }
#define         ISAPNP_MEM_BASE_23_16                   0x0
#define         ISAPNP_MEM_BASE_15_8                    0x1
#define         ISAPNP_MEM_CONTROL                      0x2
#define                 ISAPNP_MEM_CONTROL_LIMIT        1
#define                 ISAPNP_MEM_CONTROL_16           2
#define         ISAPNP_MEM_LRANGE_23_16                 0x3
#define         ISAPNP_MEM_LRANGE_15_8                  0x4

#define ISAPNP_NUM_IO                                   8
#define ISAPNP_IO_DESC { 0x60, 0x62, 0x64, 0x66, 0x68, 0x6a, 0x6c, 0x6e }
#define         ISAPNP_IO_BASE_15_8                     0x0
#define         ISAPNP_IO_BASE_7_0                      0x1

#define ISAPNP_NUM_IRQ                                  16
#define ISAPNP_IRQ_DESC { 0x70, 0x72 }
#define         ISAPNP_IRQ_NUMBER                       0x0
#define         ISAPNP_IRQ_CONTROL                      0x1
#define                 ISAPNP_IRQ_LEVEL                1
#define                 ISAPNP_IRQ_HIGH                 2

#define ISAPNP_NUM_DRQ                                  8
#define ISAPNP_DRQ_DESC { 0x74, 0x75 }

#define ISAPNP_NUM_MEM32                                4
#define ISAPNP_MEM32_DESC { 0x76, 0x80, 0x90, 0xa0 }
#define         ISAPNP_MEM32_BASE_31_24                 0x0
#define         ISAPNP_MEM32_BASE_23_16                 0x1
#define         ISAPNP_MEM32_BASE_15_8                  0x2
#define         ISAPNP_MEM32_BASE_7_0                   0x3
#define         ISAPNP_MEM32_CONTROL                    0x4
#define                 ISAPNP_MEM32_CONTROL_LIMIT      1
#define                 ISAPNP_MEM32_CONTROL_16         2
#define                 ISAPNP_MEM32_CONTROL_32         6
#define         ISAPNP_MEM32_LRANGE_31_24               0x5
#define         ISAPNP_MEM32_LRANGE_23_16               0x6
#define         ISAPNP_MEM32_LRANGE_15_8                0x7
#define         ISAPNP_MEM32_LRANGE_7_0                 0x8

/* Small Tags */
#define ISAPNP_TAG_VERSION_NUM                          0x1
#define ISAPNP_TAG_LOGICAL_DEV_ID                       0x2
#define ISAPNP_TAG_COMPAT_DEV_ID                        0x3
#define ISAPNP_TAG_IRQ_FORMAT                           0x4
#define         ISAPNP_IRQTYPE_EDGE_PLUS                1
#define         ISAPNP_IRQTYPE_EDGE_MINUS               2
#define         ISAPNP_IRQTYPE_LEVEL_PLUS               4
#define         ISAPNP_IRQTYPE_LEVEL_MINUS              8
#define ISAPNP_TAG_DMA_FORMAT                           0x5
#define         ISAPNP_DMAWIDTH_8                       0x00
#define         ISAPNP_DMAWIDTH_8_16                    0x01
#define         ISAPNP_DMAWIDTH_16                      0x02
#define         ISAPNP_DMAWIDTH_RESERVED                0x03
#define         ISAPNP_DMAWIDTH_MASK                    0x03
#define         ISAPNP_DMAATTR_BUS_MASTER               0x04
#define         ISAPNP_DMAATTR_INCR_8                   0x08
#define         ISAPNP_DMAATTR_INCR_16                  0x10
#define         ISAPNP_DMAATTR_MASK                     0x1c
#define         ISAPNP_DMASPEED_COMPAT                  0x00
#define         ISAPNP_DMASPEED_A                       0x20
#define         ISAPNP_DMASPEED_B                       0x40
#define         ISAPNP_DMASPEED_F                       0x60
#define         ISAPNP_DMASPEED_MASK                    0x60
#define ISAPNP_TAG_DEP_START                            0x6
#define         ISAPNP_DEP_PREFERRED                    0x0
#define         ISAPNP_DEP_ACCEPTABLE                   0x1
#define         ISAPNP_DEP_FUNCTIONAL                   0x2
#define         ISAPNP_DEP_RESERVED                     0x3
#define         ISAPNP_DEP_MASK                         0x3
#define         ISAPNP_DEP_UNSET                        0x80    /* Internal */
#define         ISAPNP_DEP_CONFLICTING                  0x81    /* Internal */
#define ISAPNP_TAG_DEP_END                              0x7
#define ISAPNP_TAG_IO_PORT_DESC                         0x8
#define         ISAPNP_IOFLAGS_16                       0x1
#define ISAPNP_TAG_FIXED_IO_PORT_DESC                   0x9
#define ISAPNP_TAG_RESERVED1                            0xa
#define ISAPNP_TAG_RESERVED2                            0xb
#define ISAPNP_TAG_RESERVED3                            0xc
#define ISAPNP_TAG_RESERVED4                            0xd
#define ISAPNP_TAG_VENDOR_DEF                           0xe
#define ISAPNP_TAG_END                                  0xf

/* Large Tags */
#define ISAPNP_LARGE_TAG                                0x80
#define ISAPNP_TAG_MEM_RANGE_DESC                       0x81
#define         ISAPNP_MEMATTR_WRITABLE                 0x01
#define         ISAPNP_MEMATTR_CACHEABLE                0x02
#define         ISAPNP_MEMATTR_HIGH_ADDR                0x04
#define         ISAPNP_MEMATTR_SHADOWABLE               0x20
#define         ISAPNP_MEMATTR_ROM                      0x40
#define         ISAPNP_MEMATTR_MASK                     0x67
#define         ISAPNP_MEMWIDTH_8                       0x00
#define         ISAPNP_MEMWIDTH_16                      0x08
#define         ISAPNP_MEMWIDTH_8_16                    0x10
#define         ISAPNP_MEMWIDTH_32                      0x18
#define         ISAPNP_MEMWIDTH_MASK                    0x18
#define ISAPNP_TAG_ANSI_IDENT_STRING                    0x82
#define ISAPNP_TAG_UNICODE_IDENT_STRING                 0x83
#define ISAPNP_TAG_VENDOR_DEFINED                       0x84
#define ISAPNP_TAG_MEM32_RANGE_DESC                     0x85
#define ISAPNP_TAG_FIXED_MEM32_RANGE_DESC               0x86

#endif /* ! _DEV_ISAPNP_ISAPNPREG_H_ */

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