sioreg.h revision 1.4 1 /* $NetBSD: sioreg.h,v 1.4 2015/02/14 05:03:09 tsutsui Exp $ */
2
3 /*
4 * Copyright (c) 1992 OMRON Corporation.
5 *
6 * This code is derived from software contributed to Berkeley by
7 * OMRON Corporation.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3. All advertising materials mentioning features or use of this software
18 * must display the following acknowledgement:
19 * This product includes software developed by the University of
20 * California, Berkeley and its contributors.
21 * 4. Neither the name of the University nor the names of its contributors
22 * may be used to endorse or promote products derived from this software
23 * without specific prior written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 * SUCH DAMAGE.
36 *
37 * @(#)sioreg.h 8.1 (Berkeley) 6/10/93
38 */
39 /*
40 * Copyright (c) 1992, 1993
41 * The Regents of the University of California. All rights reserved.
42 *
43 * This code is derived from software contributed to Berkeley by
44 * OMRON Corporation.
45 *
46 * Redistribution and use in source and binary forms, with or without
47 * modification, are permitted provided that the following conditions
48 * are met:
49 * 1. Redistributions of source code must retain the above copyright
50 * notice, this list of conditions and the following disclaimer.
51 * 2. Redistributions in binary form must reproduce the above copyright
52 * notice, this list of conditions and the following disclaimer in the
53 * documentation and/or other materials provided with the distribution.
54 * 3. Neither the name of the University nor the names of its contributors
55 * may be used to endorse or promote products derived from this software
56 * without specific prior written permission.
57 *
58 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
59 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
60 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
61 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
62 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
63 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
64 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
65 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
66 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
67 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
68 * SUCH DAMAGE.
69 *
70 * @(#)sioreg.h 8.1 (Berkeley) 6/10/93
71 */
72
73 /* sioreg.h NOV-26-1991 */
74
75 struct siodevice {
76 volatile uint8_t sio_data;
77 uint8_t sio_pad1;
78 volatile uint8_t sio_cmd;
79 uint8_t sio_pad2;
80 };
81
82 #define sio_stat sio_cmd
83
84 #define splsio spl6
85
86
87 #define REG(u, r) (((u) << 4) | (r))
88 #define CHANNEL(r) ((r) >> 4)
89 #define REGNO(r) ((r) & 0x07)
90 #define isStatusReg(r) ((r) & 0x08)
91
92 #define WR0 0x00
93 #define WR1 0x01
94 #define WR2 0x02
95 #define WR3 0x03
96 #define WR4 0x04
97 #define WR5 0x05
98 #define WR6 0x06
99 #define WR7 0x07
100
101 #define WR2A 0x02
102 #define WR2B 0x12
103
104 #define RR0 0x08
105 #define RR1 0x09
106 #define RR2 0x0A
107 #define RR3 0x0B
108 #define RR4 0x0C
109
110 #define RR2A 0x0A
111 #define RR2B 0x1A
112
113 #define WR0_NOP 0x00 /* No Operation */
114 #define WR0_SNDABRT 0x08 /* Send Abort (HDLC) */
115 #define WR0_RSTINT 0x10 /* Reset External/Status Interrupt */
116 #define WR0_CHANRST 0x18 /* Channel Reset */
117 #define WR0_INTNXT 0x20 /* Enable Interrupt on Next Receive Character */
118 #define WR0_RSTPEND 0x28 /* Reset Transmitter Interrput/DMA Pending */
119 #define WR0_ERRRST 0x30 /* Error Reset */
120 #define WR0_ENDINTR 0x38 /* End of Interrupt */
121
122 #define WR1_ESENBL 0x01 /* External/Status Interrupt Enable */
123 #define WR1_TXENBL 0x02 /* Tx Interrupt/DMA Enable */
124 #define WR1_STATVEC 0x04 /* Status Affects Vector (Only Chan-B) */
125 #define WR1_RXDSEBL 0x00 /* Rx Interrupt/DMA Disable */
126 #define WR1_RXFIRST 0x08 /* Interrupt only First Character Received */
127 #define WR1_RXALLS 0x10 /* Interrupt Every Characters Received (with Special Char.) */
128 #define WR1_RXALL 0x18 /* Interrupt Every Characters Received (without Special Char.) */
129
130 #define WR2_INTR_0 0x00 /* Interrupt Priority: RxA TxA RxB TxB E/SA E/SA */
131 #define WR2_INTR_1 0x04 /* Interrupt Priority: RxA RxB TxA TxB E/SA E/SA */
132 #define WR2_VEC85_1 0x00 /* 8085 Vectored Mode - 1 */
133 #define WR2_VEC85_2 0x08 /* 8085 Vectored Mode - 2 */
134 #define WR2_VEC86 0x10 /* 8086 Vectored */
135 #define WR2_VEC85_3 0x18 /* 8085 Vectored Mode - 3 */
136
137 #define WR3_RXENBL 0x01 /* Rx Enable */
138 #define WR3_RXCRC 0x08 /* Rx CRC Check */
139 #define WR3_AUTOEBL 0x20 /* Auto Enable (flow control for MODEM) */
140 #define WR3_RX5BIT 0x00 /* Rx Bits/Character: 5 Bits */
141 #define WR3_RX7BIT 0x40 /* Rx Bits/Character: 7 Bits */
142 #define WR3_RX6BIT 0x80 /* Rx Bits/Character: 6 Bits */
143 #define WR3_RX8BIT 0xc0 /* Rx Bits/Character: 8 Bits */
144
145 #define WR4_NPARITY 0x00 /* No Parity */
146 #define WR4_OPARITY 0x01 /* Parity Odd */
147 #define WR4_EPARITY 0x02 /* Parity Even */
148 #define WR4_STOP1 0x04 /* Stop Bits (1bit) */
149 #define WR4_STOP15 0x08 /* Stop Bits (1.5bit) */
150 #define WR4_STOP2 0x0c /* Stop Bits (2bit) */
151 #define WR4_BAUD96 0x40 /* Clock Rate (9600 BAUD) */
152 #define WR4_BAUD48 0x80 /* Clock Rate (4800 BAUD) */
153 #define WR4_BAUD24 0xc0 /* Clock Rate (2400 BAUD) */
154
155 #define WR5_TXCRC 0x01 /* Tx CRC Check */
156 #define WR5_RTS 0x02 /* Request To Send [RTS] */
157 #define WR5_TXENBL 0x08 /* Transmit Enable */
158 #define WR5_BREAK 0x10 /* Send Break */
159 #define WR5_TX5BIT 0x00 /* Tx Bits/Character: 5 Bits */
160 #define WR5_TX7BIT 0x20 /* Tx Bits/Character: 7 Bits */
161 #define WR5_TX6BIT 0x40 /* Tx Bits/Character: 6 Bits */
162 #define WR5_TX8BIT 0x60 /* Tx Bits/Character: 8 Bits */
163 #define WR5_DTR 0x80 /* Data Terminal Ready [DTR] */
164
165 #define RR0_RXAVAIL 0x01 /* Rx Character Available */
166 #define RR0_INTRPEND 0x02 /* Interrupt Pending (Channel-A Only) */
167 #define RR0_TXEMPTY 0x04 /* Tx Buffer Empty */
168 #define RR0_BREAK 0x80 /* Break Detected */
169
170 #define RR1_PARITY 0x10 /* Parity Error */
171 #define RR1_OVERRUN 0x20 /* Data Over Run */
172 #define RR1_FRAMING 0x40 /* Framing Error */
173