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Annotation of sys/dev/isa/if_egreg.h, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: if_egreg.h,v 1.3 2000/06/05 20:56:20 niklas Exp $     */
        !             2: /*     $NetBSD: if_egreg.h,v 1.3 1995/07/23 21:14:35 mycroft Exp $     */
        !             3:
        !             4: /*
        !             5:  * Copyright (c) 1993 Dean Huxley (dean@fsa.ca)
        !             6:  * All rights reserved.
        !             7:  *
        !             8:  * Redistribution and use in source and binary forms, with or without
        !             9:  * modification, are permitted provided that the following conditions
        !            10:  * are met:
        !            11:  * 1. Redistributions of source code must retain the above copyright
        !            12:  *    notice, this list of conditions and the following disclaimer.
        !            13:  * 2. Redistributions in binary form must reproduce the above copyright
        !            14:  *    notice, this list of conditions and the following disclaimer in the
        !            15:  *    documentation and/or other materials provided with the distribution.
        !            16:  * 3. All advertising materials mentioning features or use of this software
        !            17:  *    must display the following acknowledgement:
        !            18:  *      This product includes software developed by Dean Huxley.
        !            19:  * 4. The name of Dean Huxley may not be used to endorse or promote products
        !            20:  *    derived from this software without specific prior written permission.
        !            21:  *
        !            22:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
        !            23:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
        !            24:  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
        !            25:  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
        !            26:  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
        !            27:  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
        !            28:  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
        !            29:  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
        !            30:  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
        !            31:  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
        !            32:  */
        !            33:
        !            34: /*
        !            35:  * Register offsets from base.
        !            36:  */
        !            37: #define EG_COMMAND     0x00
        !            38: #define EG_STATUS      0x02
        !            39: #define EG_DATA                0x04
        !            40: #define EG_CONTROL     0x06
        !            41:
        !            42: #define EG_IO_PORTS    8
        !            43:
        !            44: /*
        !            45:  * Host Control Register bits
        !            46:  * EG_CTL_ATTN - does a soft reset
        !            47:  * EG_CTL_FLSH - flushes the data register
        !            48:  * EG_CTL_RESET - does a hard reset
        !            49:  * EG_CTL_DMAE - Used with DIR bit, enables DMA transfers to/from data reg.
        !            50:  * EG_CTL_DIR  - if clear then host -> adapter, if set then adapter -> host
        !            51:  * EG_CTL_TCEN - terminal count enable. enables host interrupt after DMA.
        !            52:  * EG_CTL_CMDE - command reg interrupt enable. (when it is written)
        !            53:  * EG_CTL_HSF1 - Host status flag 1
        !            54:  * EG_CTL_HSF2 - Host status flag 2
        !            55:  */
        !            56:
        !            57: #define EG_CTL_ATTN 0x80
        !            58: #define EG_CTL_FLSH 0x40
        !            59: #define EG_CTL_RESET (EG_CTL_ATTN|EG_CTL_FLSH)
        !            60: #define EG_CTL_DMAE 0x20
        !            61: #define EG_CTL_DIR  0x10
        !            62: #define EG_CTL_TCEN 0x08
        !            63: #define EG_CTL_CMDE 0x04
        !            64: #define EG_CTL_HSF2 0x02
        !            65: #define EG_CTL_HSF1 0x01
        !            66:
        !            67: /*
        !            68:  * Host Status Register bits
        !            69:  * EG_STAT_HRDY - Data Register ready
        !            70:  * EG_STAT_HCRE - Host Command Register empty
        !            71:  * EG_STAT_ACRF - Adapter Command register full
        !            72:  * EG_STAT_DIR  - Direction flag, 0 = host -> adapter, 1 = adapter -> host
        !            73:  * EG_STAT_DONE - DMA done
        !            74:  * EG_STAT_ASF1 - Adapter status flag 1
        !            75:  * EG_STAT_ASF2 - Adapter status flag 2
        !            76:  * EG_STAT_ASF3 - Adapter status flag 3
        !            77:  */
        !            78:
        !            79: #define EG_STAT_HRDY 0x80
        !            80: #define EG_STAT_HCRE 0x40
        !            81: #define EG_STAT_ACRF 0x20
        !            82: #define EG_STAT_DIR  0x10
        !            83: #define EG_STAT_DONE 0x08
        !            84: #define EG_STAT_ASF3 0x04
        !            85: #define EG_STAT_ASF2 0x02
        !            86: #define EG_STAT_ASF1 0x01
        !            87:
        !            88: #define        EG_PCB_NULL     0x00
        !            89: #define EG_PCB_ACCEPT  0x01
        !            90: #define EG_PCB_REJECT  0x02
        !            91: #define EG_PCB_DONE    0x03
        !            92: #define EG_PCB_STAT    0x03
        !            93:
        !            94: #define EG_CMD_CONFIG82586     0x02
        !            95: #define EG_CMD_GETEADDR                0x03
        !            96: #define EG_CMD_RECVPACKET      0x08
        !            97: #define EG_CMD_SENDPACKET      0x09
        !            98: #define EG_CMD_GETSTATS                0x0a
        !            99: #define EG_CMD_SETEADDR                0x10
        !           100: #define EG_CMD_GETINFO         0x11
        !           101:
        !           102: #define EG_RSP_CONFIG82586     0x32
        !           103: #define EG_RSP_GETEADDR                0x33
        !           104: #define EG_RSP_RECVPACKET      0x38
        !           105: #define EG_RSP_SENDPACKET      0x39
        !           106: #define EG_RSP_GETSTATS                0x3a
        !           107: #define EG_RSP_SETEADDR                0x40
        !           108: #define EG_RSP_GETINFO         0x41