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
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