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Annotation of sys/dev/isa/if_egreg.h, Revision 1.1.1.1

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