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