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      1 /* $NetBSD: sioreg.h,v 1.6 2023/03/28 20:01:57 andvar Exp $ */
      2 /*
      3  * Copyright (c) 1992, 1993
      4  *	The Regents of the University of California.  All rights reserved.
      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. Neither the name of the University nor the names of its contributors
     18  *    may be used to endorse or promote products derived from this software
     19  *    without specific prior written permission.
     20  *
     21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     31  * SUCH DAMAGE.
     32  *
     33  *	@(#)sioreg.h	8.1 (Berkeley) 6/10/93
     34  */
     35 
     36 /*
     37  * Copyright (c) 1992 OMRON Corporation.
     38  *
     39  * This code is derived from software contributed to Berkeley by
     40  * OMRON Corporation.
     41  *
     42  * Redistribution and use in source and binary forms, with or without
     43  * modification, are permitted provided that the following conditions
     44  * are met:
     45  * 1. Redistributions of source code must retain the above copyright
     46  *    notice, this list of conditions and the following disclaimer.
     47  * 2. Redistributions in binary form must reproduce the above copyright
     48  *    notice, this list of conditions and the following disclaimer in the
     49  *    documentation and/or other materials provided with the distribution.
     50  * 3. All advertising materials mentioning features or use of this software
     51  *    must display the following acknowledgement:
     52  *	This product includes software developed by the University of
     53  *	California, Berkeley and its contributors.
     54  * 4. 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 #define WR0		0x00
     74 #define WR1		0x01
     75 #define WR2		0x02
     76 #define WR3		0x03
     77 #define WR4		0x04
     78 #define WR5		0x05
     79 #define WR6		0x06
     80 #define WR7		0x07
     81 
     82 #define WR2A		WR2	/* on channel A */
     83 #define WR2B		WR2	/* on channel B */
     84 
     85 #define RR0		0x00
     86 #define RR1		0x01
     87 #define RR2		0x02	/* only on channel B */
     88 
     89 #define WR0_NOP		0x00	/* No Operation */
     90 #define WR0_SNDABRT	0x08	/* Send Abort (HDLC) */
     91 #define WR0_RSTINT	0x10	/* Reset External/Status Interrupt */
     92 #define WR0_CHANRST	0x18	/* Channel Reset */
     93 #define WR0_INTNXT	0x20	/* Enable Interrupt on Next Receive Character */
     94 #define WR0_RSTPEND	0x28	/* Reset Transmitter Interrupt/DMA Pending */
     95 #define WR0_ERRRST	0x30	/* Error Reset */
     96 #define WR0_ENDINTR	0x38	/* End of Interrupt */
     97 
     98 #define WR1_ESENBL	0x01	/* External/Status Interrupt Enable */
     99 #define WR1_TXENBL	0x02	/* Tx Interrupt/DMA Enable */
    100 #define WR1_STATVEC	0x04	/* Status Affects Vector (Only Chan-B) */
    101 #define WR1_RXDSEBL	0x00	/* Rx Interrupt/DMA Disable */
    102 #define WR1_RXFIRST	0x08	/* Interrupt only First Character Received */
    103 #define WR1_RXALLS	0x10	/* Interrupt Every Characters Received (with Special Char.) */
    104 #define WR1_RXALL	0x18	/* Interrupt Every Characters Received (without Special Char.) */
    105 
    106 #define WR2A_INTR_0	0x00	/* Interrupt Priority: RxA TxA RxB TxB E/SA E/SA */
    107 #define WR2A_INTR_1	0x04	/* Interrupt Priority: RxA RxB TxA TxB E/SA E/SA */
    108 #define WR2A_VEC85_1	0x00	/* 8085 Vectored Mode - 1 */
    109 #define WR2A_VEC85_2	0x08	/* 8085 Vectored Mode - 2 */
    110 #define WR2A_VEC86	0x10	/* 8086 Vectored */
    111 #define WR2A_VEC85_3	0x18	/* 8085 Vectored Mode - 3 */
    112 
    113 /* WR2B has interrupt vector value */
    114 
    115 #define WR3_RXENBL	0x01	/* Rx Enable */
    116 #define WR3_RXCRC	0x08	/* Rx CRC Check */
    117 #define WR3_AUTOEBL	0x20	/* Auto Enable (flow control for MODEM) */
    118 #define WR3_RX5BIT	0x00	/* Rx Bits/Character: 5 Bits */
    119 #define WR3_RX7BIT	0x40	/* Rx Bits/Character: 7 Bits */
    120 #define WR3_RX6BIT	0x80	/* Rx Bits/Character: 6 Bits */
    121 #define WR3_RX8BIT	0xc0	/* Rx Bits/Character: 8 Bits */
    122 
    123 #define WR4_NPARITY	0x00	/* No Parity */
    124 #define WR4_PARENAB	0x01	/* Parity Enable */
    125 #define WR4_OPARITY	0x01	/* Parity Odd */
    126 #define WR4_EPARITY	0x02	/* Parity Even */
    127 #define WR4_STOP1	0x04	/* Stop  Bits (1bit) */
    128 #define WR4_STOP15	0x08	/* Stop  Bits (1.5bit) */
    129 #define WR4_STOP2	0x0c	/* Stop  Bits (2bit) */
    130 #define WR4_BAUD96	0x40	/* Clock Rate (9600 BAUD) */
    131 #define WR4_BAUD48	0x80	/* Clock Rate (4800 BAUD) */
    132 #define WR4_BAUD24	0xc0	/* Clock Rate (2400 BAUD) */
    133 
    134 #define WR5_TXCRC	0x01	/* Tx CRC Check */
    135 #define WR5_RTS		0x02	/* Request To Send     [RTS] */
    136 #define WR5_TXENBL	0x08	/* Transmit Enable */
    137 #define WR5_BREAK	0x10	/* Send Break          [BRK] */
    138 #define WR5_TX5BIT	0x00	/* Tx Bits/Character: 5 Bits */
    139 #define WR5_TX7BIT	0x20	/* Tx Bits/Character: 7 Bits */
    140 #define WR5_TX6BIT	0x40	/* Tx Bits/Character: 6 Bits */
    141 #define WR5_TX8BIT	0x60	/* Tx Bits/Character: 8 Bits */
    142 #define WR5_DTR		0x80	/* Data Terminal Ready [DTR] */
    143 
    144 #define RR0_RXAVAIL	0x01	/* Rx Character Available */
    145 #define RR0_INTRPEND	0x02	/* Interrupt Pending (Channel-A Only) */
    146 #define RR0_TXEMPTY	0x04	/* Tx Buffer Empty */
    147 #define RR0_DCD		0x08	/* Data Carrier Detect [DCD] */
    148 #define RR0_SYNC	0x10	/* Synchronization */
    149 #define RR0_CTS		0x20	/* Clear To Send       [CTS] */
    150 #define RR0_BREAK	0x80	/* Break Detected      [BRK] */
    151 
    152 #define RR1_PARITY	0x10	/* Parity Error */
    153 #define RR1_OVERRUN	0x20	/* Data Over Run */
    154 #define RR1_FRAMING	0x40	/* Framing Error */
    155 
    156 /* for getsiocsr() */
    157 #define RR_RXRDY	(RR0_RXAVAIL  << 8)
    158 #define RR_INTRPEND	(RR0_INTRPEND << 8)
    159 #define RR_TXRDY	(RR0_TXEMPTY  << 8)
    160 #define RR_DCD		(RR0_DCD      << 8)
    161 #define RR_SYNC		(RR0_SYNC     << 8)
    162 #define RR_CTS		(RR0_CTS      << 8)
    163 #define RR_BREAK	(RR0_BREAK    << 8)
    164 #define RR_PARITY	(RR1_PARITY)
    165 #define RR_OVERRUN	(RR1_OVERRUN)
    166 #define RR_FRAMING	(RR1_FRAMING)
    167