1/*	$NetBSD$ */
2
3/*
4 * Copyright (c) 1995 John Hay.
5 * Copyright (c) 1996 SDL Communications, Inc.
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. Neither the name of the author nor the names of any co-contributors
17 *    may be used to endorse or promote products derived from this software
18 *    without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 *
32 * $Id: if_ntwoc_isareg.h,v 1.1 2000/01/04 06:29:21 chopps Exp $
33 */
34#ifndef _IF_NTWOC_ISAREG_H_
35#define _IF_NTWOC_ISAREG_H_
36
37#define NTWOC_ISA_NCHAN		2    /* A HD64570 chip have 2 channels */
38
39#define NTWOC_BUF_SIZ		512
40#define NTWOC_TX_BLOCKS		2    /* Sepperate sets of tx buffers */
41
42#define NTWOC_CRD_N2		1
43
44/*
45 * RISCom/N2 ISA card.
46 */
47#define NTWOC_SRC_IOPORT_SIZE	0x08	/* also uses 0x8400 -> 0xAxxx */
48
49/* config flags are as follows */
50/*
51 * 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
52 * +-------------+ +-----+ +-----+ + +---+ +-+     + +---+ +-+   +
53 *       tmc         tdiv    rdiv  e1 rxs1 ts1    e0 rxs0  txs0  nports - 1
54 */
55#define	NTWOC_FLAGS_NPORT_MASK	0x00000001	/* nports - 1 */
56#define	NTWOC_FLAGS_CLK0_MASK	0x000000fc	/* port 0 clock info mask */
57#define	NTWOC_FLAGS_CLK1_MASK	0x0000fc00	/* port 1 clock info mask */
58#define	NTWOC_FLAGS_RXDIV_MASK	0x000F0000	/* rx div mask */
59#define	NTWOC_FLAGS_TXDIV_MASK	0x00F00000	/* tx div mask */
60#define	NTWOC_FLAGS_TMC_MASK	0xFF000000	/* tmc port 0 mask */
61
62#define	NTWOC_FLAGS_CLK1_SHIFT	8
63
64/* these are used after you shift down to the clock byte for the resp. port */
65#define	NTWOC_FLAGS_TXS_SHIFT		2
66#define	NTWOC_FLAGS_TXS_MASK	0x0000000c	/* port 0 tx clk source mask */
67#define	NTWOC_FLAGS_TXS_LINE		0	/* use the line clock */
68#define	NTWOC_FLAGS_TXS_INTERNAL	1	/* use the internal clock */
69#define	NTWOC_FLAGS_TXS_RXCLOCK		2	/* use the receive clock */
70
71#define	NTWOC_FLAGS_RXS_SHIFT		4
72#define	NTWOC_FLAGS_RXS_MASK	0x00000070	/* port 0 rx clk source mask */
73#define	NTWOC_FLAGS_RXS_LINE		0	/* use the line clock */
74#define NTWOC_FLAGS_RXS_LINE_SN		1	/* use line with noise supp. */
75#define NTWOC_FLAGS_RXS_INTERNAL	2	/* use internal clock */
76#define NTWOC_FLAGS_RXS_ADPLL_OUT	3	/* use brg out for adpll clk */
77#define NTWOC_FLAGS_RXS_ADPLL_IN	4	/* use line in for adpll clk */
78
79#define	NTWOC_FLAGS_ECLOCK_SHIFT	7	/* generate external clock */
80#define	NTWOC_FLAGS_ECLOCK_MASK	0x00000080	/* port 0 ext clk gen mask */
81
82/* these are used on the flags directly */
83#define	NTWOC_FLAGS_RXDIV_SHIFT	16
84#define	NTWOC_FLAGS_TXDIV_SHIFT	20
85#define	NTWOC_FLAGS_TMC_SHIFT	24
86
87
88#define NTWOC_PCR		0x00 /* RW, PC Control Register */
89#define NTWOC_BAR		0x02 /* RW, Base Address Register */
90#define NTWOC_PSR		0x04 /* RW, Page Scan Register */
91#define NTWOC_MCR		0x06 /* RW, Modem Control Register */
92
93#define NTWOC_PCR_SCARUN	0x01 /* !Reset */
94#define NTWOC_PCR_EN_VPM	0x02 /* Running above 1M */
95#define NTWOC_PCR_MEM_WIN	0x04 /* Open memory window */
96#define NTWOC_PCR_ISA16		0x08 /* 16 bit ISA mode */
97#define NTWOC_PCR_16M_SEL	0xF0 /* A20-A23 Addresses */
98
99#define NTWOC_PSR_PG_SEL	0x1F /* Page 0 - 31 select */
100#define NTWOC_PG_MSK		0x1F
101#define NTWOC_PSR_WIN_SIZ	0x60 /* Window size select */
102#define NTWOC_PSR_WIN_16K	0x00
103#define NTWOC_PSR_WIN_32K	0x20
104#define NTWOC_PSR_WIN_64K	0x40
105#define NTWOC_PSR_WIN_128K	0x60
106#define NTWOC_PSR_EN_SCA_DMA	0x80 /* Enable the SCA DMA */
107
108#define NTWOC_MCR_DTR0		0x01 /* Deactivate DTR0 */
109#define NTWOC_MCR_DTR1		0x02 /* Deactivate DTR1 */
110#define NTWOC_MCR_DSR0		0x04 /* DSR0 Status */
111#define NTWOC_MCR_DSR1		0x08 /* DSR1 Status */
112#define NTWOC_MCR_TE0		0x10 /* Enable RS422 TXD */
113#define NTWOC_MCR_TE1		0x20 /* Enable RS422 TXD */
114#define NTWOC_MCR_ETC0		0x40 /* Enable Ext Clock out */
115#define NTWOC_MCR_ETC1		0x80 /* Enable Ext Clock out */
116
117#endif /* _IF_NTWOC_ISAREG_H_ */
118