if_sbnireg.h revision 182912 
1/*-
2 * Copyright (c) 1997-2001 Granch, Ltd. All rights reserved.
3 * Author: Denis I.Timofeev <timofeev@granch.ru>
4 *
5 * Redistributon and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice unmodified, this list of conditions, and the following
10 *    disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 *
27 * $FreeBSD: head/sys/dev/sbni/if_sbnireg.h 139749 2005-01-06 01:43:34Z imp $
28 */
29
30/*
31 * We don't have registered vendor id yet...
32 */
33#define SBNI_PCI_VENDOR 	0x55
34#define SBNI_PCI_DEVICE 	0x9f
35
36#define ISA_MODE 0x00
37#define PCI_MODE 0x01
38
39#define	SBNI_PORTS	4
40
41enum sbni_reg {
42	CSR0 = 0,
43	CSR1 = 1,
44	DAT  = 2
45};
46
47/* CSR0 mapping */
48enum {
49	BU_EMP = 0x02,
50	RC_CHK = 0x04,
51	CT_ZER = 0x08,
52	TR_REQ = 0x10,
53	TR_RDY = 0x20,
54	EN_INT = 0x40,
55	RC_RDY = 0x80
56};
57
58
59/* CSR1 mapping */
60#define PR_RES 0x80
61
62struct sbni_csr1 {
63	unsigned rxl	: 5;
64	unsigned rate	: 2;
65	unsigned 	: 1;
66};
67
68
69
70#define FRAME_ACK_MASK  (u_int16_t)0x7000
71#define FRAME_LEN_MASK  (u_int16_t)0x03FF
72#define FRAME_FIRST     (u_int16_t)0x8000
73#define FRAME_RETRY     (u_int16_t)0x0800
74
75#define FRAME_SENT_BAD  (u_int16_t)0x4000
76#define FRAME_SENT_OK   (u_int16_t)0x3000
77
78
79enum {
80	FL_WAIT_ACK    = 1,
81	FL_NEED_RESEND = 2,
82	FL_PREV_OK     = 4,
83	FL_SLOW_MODE   = 8
84};
85
86
87enum {
88	DEFAULT_IOBASEADDR = 0x210,
89	DEFAULT_INTERRUPTNUMBER = 5,
90	DEFAULT_RATE = 0,
91	DEFAULT_FRAME_LEN = 1012
92};
93
94#define DEF_RXL_DELTA	-1
95#define DEF_RXL		0xf
96
97#define SBNI_SIG 0x5a
98
99#define	SBNI_MIN_LEN	(ETHER_MIN_LEN - 4)
100#define SBNI_MAX_FRAME	1023
101
102#define SBNI_HZ 18 /* ticks to wait for pong or packet */
103		/* sbni watchdog called SBNI_HZ times per sec. */
104
105#define TR_ERROR_COUNT 32
106#define CHANGE_LEVEL_START_TICKS 4
107