xref: /netbsd/sys/arch/luna68k/dev/sioreg.h (revision bf9ec67e)
1 /* $NetBSD: sioreg.h,v 1.1 2000/01/05 08:48:55 nisimura Exp $ */
2 /*
3  * Copyright (c) 1992 OMRON Corporation.
4  * Copyright (c) 1992, 1993
5  *	The Regents of the University of California.  All rights reserved.
6  *
7  * This code is derived from software contributed to Berkeley by
8  * OMRON Corporation.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  * 3. All advertising materials mentioning features or use of this software
19  *    must display the following acknowledgement:
20  *	This product includes software developed by the University of
21  *	California, Berkeley and its contributors.
22  * 4. Neither the name of the University nor the names of its contributors
23  *    may be used to endorse or promote products derived from this software
24  *    without specific prior written permission.
25  *
26  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
27  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
29  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
30  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
31  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
32  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
33  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
34  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
35  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36  * SUCH DAMAGE.
37  *
38  *	@(#)sioreg.h	8.1 (Berkeley) 6/10/93
39  */
40 
41 #define WR0		0x00
42 #define WR1		0x01
43 #define WR2		0x02
44 #define WR3		0x03
45 #define WR4		0x04
46 #define WR5		0x05
47 #define WR6		0x06
48 #define WR7		0x07
49 
50 #define	WR2A		WR2
51 #define	WR2B		(WR2|0x10)
52 
53 #define RR0		0x08
54 #define RR1		0x09
55 #define RR2		0x0A
56 #define RR3		0x0B
57 #define RR4		0x0C
58 
59 #define RR2A		RR2
60 #define RR2B		(RR2|0x10)
61 
62 #define WR0_NOP		0x00	/* No Operation */
63 #define WR0_SNDABRT	0x08	/* Send Abort (HDLC) */
64 #define WR0_RSTINT	0x10	/* Reset External/Status Interrupt */
65 #define WR0_CHANRST	0x18	/* Channel Reset */
66 #define WR0_INTNXT	0x20	/* Enable Interrupt on Next Receive Character */
67 #define WR0_RSTPEND	0x28	/* Reset Transmitter Interrput/DMA Pending */
68 #define WR0_ERRRST	0x30	/* Error Reset */
69 #define WR0_ENDINTR	0x38	/* End of Interrupt */
70 
71 #define WR1_ESENBL	0x01	/* External/Status Interrupt Enable */
72 #define WR1_TXENBL	0x02	/* Tx Interrupt/DMA Enable */
73 #define WR1_STATVEC	0x04	/* Status Affects Vector (Only Chan-B) */
74 #define WR1_RXDSEBL	0x00	/* Rx Interrupt/DMA Disable */
75 #define WR1_RXFIRST	0x08	/* Interrupt only First Character Received */
76 #define WR1_RXALLS	0x10	/* Interrupt Every Characters Received (with Special Char.) */
77 #define WR1_RXALL	0x18	/* Interrupt Every Characters Received (without Special Char.) */
78 
79 #define WR2_INTR_0	0x00	/* Interrupt Priority: RxA TxA RxB TxB E/SA E/SA */
80 #define WR2_INTR_1	0x04	/* Interrupt Priority: RxA RxB TxA TxB E/SA E/SA */
81 #define WR2_VEC85_1	0x00	/* 8085 Vectored Mode - 1 */
82 #define WR2_VEC85_2	0x08	/* 8085 Vectored Mode - 2 */
83 #define WR2_VEC86	0x10	/* 8086 Vectored */
84 #define WR2_VEC85_3	0x18	/* 8085 Vectored Mode - 3 */
85 
86 #define WR3_RXENBL	0x01	/* Rx Enable */
87 #define WR3_RXCRC	0x08	/* Rx CRC Check */
88 #define WR3_AUTOEBL	0x20	/* Auto Enable (flow control for MODEM) */
89 #define WR3_RX5BIT	0x00	/* Rx Bits/Character: 5 Bits */
90 #define WR3_RX7BIT	0x40	/* Rx Bits/Character: 7 Bits */
91 #define WR3_RX6BIT	0x80	/* Rx Bits/Character: 6 Bits */
92 #define WR3_RX8BIT	0xc0	/* Rx Bits/Character: 8 Bits */
93 
94 #define WR4_NPARITY	0x00	/* No Parity */
95 #define WR4_PARENAB	0x01	/* Parity Enable */
96 #define WR4_OPARITY	0x01	/* Parity Odd */
97 #define WR4_EPARITY	0x02	/* Parity Even */
98 #define WR4_STOP1	0x04	/* Stop  Bits (1bit) */
99 #define WR4_STOP15	0x08	/* Stop  Bits (1.5bit) */
100 #define WR4_STOP2	0x0c	/* Stop  Bits (2bit) */
101 #define WR4_BAUD96	0x40	/* Clock Rate (9600 BAUD) */
102 #define WR4_BAUD48	0x80	/* Clock Rate (4800 BAUD) */
103 #define WR4_BAUD24	0xc0	/* Clock Rate (2400 BAUD) */
104 
105 #define WR5_TXCRC	0x01	/* Tx CRC Check */
106 #define WR5_RTS		0x02	/* Request To Send     [RTS] */
107 #define WR5_TXENBL	0x08	/* Transmit Enable */
108 #define WR5_BREAK	0x10	/* Send Break          [BRK] */
109 #define WR5_TX5BIT	0x00	/* Tx Bits/Character: 5 Bits */
110 #define WR5_TX7BIT	0x20	/* Tx Bits/Character: 7 Bits */
111 #define WR5_TX6BIT	0x40	/* Tx Bits/Character: 6 Bits */
112 #define WR5_TX8BIT	0x60	/* Tx Bits/Character: 8 Bits */
113 #define WR5_DTR		0x80	/* Data Terminal Ready [DTR] */
114 
115 #define RR0_RXAVAIL	0x01	/* Rx Character Available */
116 #define RR0_INTRPEND	0x02	/* Interrupt Pending (Channel-A Only) */
117 #define RR0_TXEMPTY	0x04	/* Tx Buffer Empty */
118 #define RR0_DCD		0x08	/* Data Carrier Detect [DCD] */
119 #define RR0_SYNC	0x10	/* Synchronization */
120 #define RR0_CTS		0x20	/* Clear To Send       [CTS] */
121 #define RR0_BREAK	0x80	/* Break Detected      [BRK] */
122 
123 #define RR1_PARITY	0x10	/* Parity Error */
124 #define RR1_OVERRUN	0x20	/* Data Over Run */
125 #define RR1_FRAMING	0x40	/* Framing Error */
126 
127 #define RR_RXRDY	0x0100	/* Rx Character Available */
128 #define RR_INTRPEND	0x0200	/* Interrupt Pending (Channel-A Only) */
129 #define RR_TXRDY	0x0400	/* Tx Buffer Empty */
130 #define RR_DCD		0x0800	/* Data Carrier Detect [DCD] */
131 #define RR_SYNC		0x1000	/* Synchronization */
132 #define RR_CTS		0x2000	/* Clear To Send       [CTS] */
133 #define RR_BREAK	0x8000	/* Break Detected */
134 #define RR_PARITY	0x0010	/* Parity Error */
135 #define RR_OVERRUN	0x0020	/* Data Over Run */
136 #define RR_FRAMING	0x0040	/* Framing Error */
137