/* $NetBSD: sioreg.h,v 1.4 2015/02/14 05:03:09 tsutsui Exp $ */
/*
* Copyright (c) 1992 OMRON Corporation.
*
* This code is derived from software contributed to Berkeley by
* OMRON Corporation.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)sioreg.h 8.1 (Berkeley) 6/10/93
*/
/*
* Copyright (c) 1992, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* OMRON Corporation.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)sioreg.h 8.1 (Berkeley) 6/10/93
*/
/* sioreg.h NOV-26-1991 */
struct siodevice {
volatile uint8_t sio_data;
uint8_t sio_pad1;
volatile uint8_t sio_cmd;
uint8_t sio_pad2;
};
#define sio_stat sio_cmd
#define splsio spl6
#define REG(u, r) (((u) << 4) | (r))
#define CHANNEL(r) ((r) >> 4)
#define REGNO(r) ((r) & 0x07)
#define isStatusReg(r) ((r) & 0x08)
#define WR0 0x00
#define WR1 0x01
#define WR2 0x02
#define WR3 0x03
#define WR4 0x04
#define WR5 0x05
#define WR6 0x06
#define WR7 0x07
#define WR2A 0x02
#define WR2B 0x12
#define RR0 0x08
#define RR1 0x09
#define RR2 0x0A
#define RR3 0x0B
#define RR4 0x0C
#define RR2A 0x0A
#define RR2B 0x1A
#define WR0_NOP 0x00 /* No Operation */
#define WR0_SNDABRT 0x08 /* Send Abort (HDLC) */
#define WR0_RSTINT 0x10 /* Reset External/Status Interrupt */
#define WR0_CHANRST 0x18 /* Channel Reset */
#define WR0_INTNXT 0x20 /* Enable Interrupt on Next Receive Character */
#define WR0_RSTPEND 0x28 /* Reset Transmitter Interrput/DMA Pending */
#define WR0_ERRRST 0x30 /* Error Reset */
#define WR0_ENDINTR 0x38 /* End of Interrupt */
#define WR1_ESENBL 0x01 /* External/Status Interrupt Enable */
#define WR1_TXENBL 0x02 /* Tx Interrupt/DMA Enable */
#define WR1_STATVEC 0x04 /* Status Affects Vector (Only Chan-B) */
#define WR1_RXDSEBL 0x00 /* Rx Interrupt/DMA Disable */
#define WR1_RXFIRST 0x08 /* Interrupt only First Character Received */
#define WR1_RXALLS 0x10 /* Interrupt Every Characters Received (with Special Char.) */
#define WR1_RXALL 0x18 /* Interrupt Every Characters Received (without Special Char.) */
#define WR2_INTR_0 0x00 /* Interrupt Priority: RxA TxA RxB TxB E/SA E/SA */
#define WR2_INTR_1 0x04 /* Interrupt Priority: RxA RxB TxA TxB E/SA E/SA */
#define WR2_VEC85_1 0x00 /* 8085 Vectored Mode - 1 */
#define WR2_VEC85_2 0x08 /* 8085 Vectored Mode - 2 */
#define WR2_VEC86 0x10 /* 8086 Vectored */
#define WR2_VEC85_3 0x18 /* 8085 Vectored Mode - 3 */
#define WR3_RXENBL 0x01 /* Rx Enable */
#define WR3_RXCRC 0x08 /* Rx CRC Check */
#define WR3_AUTOEBL 0x20 /* Auto Enable (flow control for MODEM) */
#define WR3_RX5BIT 0x00 /* Rx Bits/Character: 5 Bits */
#define WR3_RX7BIT 0x40 /* Rx Bits/Character: 7 Bits */
#define WR3_RX6BIT 0x80 /* Rx Bits/Character: 6 Bits */
#define WR3_RX8BIT 0xc0 /* Rx Bits/Character: 8 Bits */
#define WR4_NPARITY 0x00 /* No Parity */
#define WR4_OPARITY 0x01 /* Parity Odd */
#define WR4_EPARITY 0x02 /* Parity Even */
#define WR4_STOP1 0x04 /* Stop Bits (1bit) */
#define WR4_STOP15 0x08 /* Stop Bits (1.5bit) */
#define WR4_STOP2 0x0c /* Stop Bits (2bit) */
#define WR4_BAUD96 0x40 /* Clock Rate (9600 BAUD) */
#define WR4_BAUD48 0x80 /* Clock Rate (4800 BAUD) */
#define WR4_BAUD24 0xc0 /* Clock Rate (2400 BAUD) */
#define WR5_TXCRC 0x01 /* Tx CRC Check */
#define WR5_RTS 0x02 /* Request To Send [RTS] */
#define WR5_TXENBL 0x08 /* Transmit Enable */
#define WR5_BREAK 0x10 /* Send Break */
#define WR5_TX5BIT 0x00 /* Tx Bits/Character: 5 Bits */
#define WR5_TX7BIT 0x20 /* Tx Bits/Character: 7 Bits */
#define WR5_TX6BIT 0x40 /* Tx Bits/Character: 6 Bits */
#define WR5_TX8BIT 0x60 /* Tx Bits/Character: 8 Bits */
#define WR5_DTR 0x80 /* Data Terminal Ready [DTR] */
#define RR0_RXAVAIL 0x01 /* Rx Character Available */
#define RR0_INTRPEND 0x02 /* Interrupt Pending (Channel-A Only) */
#define RR0_TXEMPTY 0x04 /* Tx Buffer Empty */
#define RR0_BREAK 0x80 /* Break Detected */
#define RR1_PARITY 0x10 /* Parity Error */
#define RR1_OVERRUN 0x20 /* Data Over Run */
#define RR1_FRAMING 0x40 /* Framing Error */