diff options
author | nyan <nyan@FreeBSD.org> | 2001-06-10 04:28:39 +0000 |
---|---|---|
committer | nyan <nyan@FreeBSD.org> | 2001-06-10 04:28:39 +0000 |
commit | 7f01a1475029e6a6ed4ba04aed01103e722a674d (patch) | |
tree | 2e7e745d8f39ee17f8bb9411ad2704f5418c52e8 /sys/dev/ic/i8251.h | |
parent | 10d5355359595d78f578b04b34d482874358662d (diff) | |
download | FreeBSD-src-7f01a1475029e6a6ed4ba04aed01103e722a674d.zip FreeBSD-src-7f01a1475029e6a6ed4ba04aed01103e722a674d.tar.gz |
Move the files from i386/isa/ic/ to dev/ic/.
Diffstat (limited to 'sys/dev/ic/i8251.h')
-rw-r--r-- | sys/dev/ic/i8251.h | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/sys/dev/ic/i8251.h b/sys/dev/ic/i8251.h new file mode 100644 index 0000000..b673785 --- /dev/null +++ b/sys/dev/ic/i8251.h @@ -0,0 +1,108 @@ +/*- + * Copyright (c) 1991 The Regents of the University of California. + * All rights reserved. + * + * 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. + * + * $FreeBSD$ + */ + +/* + * modified for PC9801 by M.Ishii + * Kyoto University Microcomputer Club (KMC) + */ + +/* + * modified for 8251(FIFO) by Seigo TANIMURA <tanimura@FreeBSD.org> + */ + +/* define command and status code */ +#define CMD8251_TxEN 0x01 /* transmit enable */ +#define CMD8251_DTR 0x02 /* assert DTR */ +#define CMD8251_RxEN 0x04 /* receive enable */ +#define CMD8251_SBRK 0x08 /* send break */ +#define CMD8251_ER 0x10 /* error reset */ +#define CMD8251_RTS 0x20 /* assert RTS */ +#define CMD8251_RESET 0x40 /* internal reset */ +#define CMD8251_EH 0x80 /* enter hunt mode (only synchronous mode)*/ + +#define STS8251_TxRDY 0x01 /* transmit READY */ +#define STS8251_RxRDY 0x02 /* data exists in receive buffer */ +#define STS8251_TxEMP 0x04 /* transmit buffer EMPTY */ +#define STS8251_PE 0x08 /* perity error */ +#define STS8251_OE 0x10 /* overrun error */ +#define STS8251_FE 0x20 /* framing error */ +#define STS8251_BD_SD 0x40 /* break detect (async) / sync detect (sync) */ +#define STS8251_DSR 0x80 /* DSR is asserted */ + +#define STS8251F_TxEMP 0x01 /* transmit buffer EMPTY */ +#define STS8251F_TxRDY 0x02 /* transmit READY */ +#define STS8251F_RxRDY 0x04 /* data exists in receive buffer */ +#define STS8251F_OE 0x10 /* overrun error */ +#define STS8251F_PE 0x20 /* perity error */ +#define STS8251F_BD_SD 0x80 /* break detect (async) / sync detect (sync) */ + +#define INTR8251F_DTCT 0x60 /* FIFO detection mask */ +#define INTR8251F_INTRV 0x0e /* interrupt event */ +#define INTR8251F_TO 0x0c /* receive timeout */ +#define INTR8251F_LSTS 0x06 /* line status */ +#define INTR8251F_RxRDY 0x04 /* receive READY */ +#define INTR8251F_TxRDY 0x02 /* transmit READY */ +#define INTR8251F_ISEV 0x01 /* event occured */ +#define INTR8251F_MSTS 0x00 /* modem status */ + +#define CTRL8251F_ENABLE 0x01 /* enable FIFO */ +#define CTRL8251F_RCV_RST 0x02 /* reset receive FIFO */ +#define CTRL8251F_XMT_RST 0x04 /* reset transmit FIFO */ + +#define MOD8251_5BITS 0x00 +#define MOD8251_6BITS 0x04 +#define MOD8251_7BITS 0x08 +#define MOD8251_8BITS 0x0c +#define MOD8251_PDISAB 0x00 /* parity disable */ +#define MOD8251_PODD 0x10 /* parity odd */ +#define MOD8251_PEVEN 0x30 /* parity even */ +#define MOD8251_STOP1 0x40 /* stop bit len = 1bit */ +#define MOD8251_STOP2 0xc0 /* stop bit len = 2bit */ +#define MOD8251_CLKX16 0x02 /* x16 */ +#define MOD8251_CLKX1 0x01 /* x1 */ + +#define CICSCD_CD 0x20 /* CD */ +#define CICSCD_CS 0x40 /* CS */ +#define CICSCD_CI 0x80 /* CI */ + +#define CICSCDF_CS 0x10 /* CS */ +#define CICSCDF_DR 0x20 /* DR */ +#define CICSCDF_CI 0x40 /* CI */ +#define CICSCDF_CD 0x80 /* CD */ + +/* interrupt mask control */ +#define IEN_Rx 0x01 +#define IEN_TxEMP 0x02 +#define IEN_Tx 0x04 |