1 /*        $NetBSD: if_ntwoc_isareg.h,v 1.1 2000/01/04 06:29:21 chopps Exp $ */
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