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authornyan <nyan@FreeBSD.org>2001-06-10 04:28:39 +0000
committernyan <nyan@FreeBSD.org>2001-06-10 04:28:39 +0000
commit7f01a1475029e6a6ed4ba04aed01103e722a674d (patch)
tree2e7e745d8f39ee17f8bb9411ad2704f5418c52e8 /sys/dev/ic/i8251.h
parent10d5355359595d78f578b04b34d482874358662d (diff)
downloadFreeBSD-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')
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1 files changed, 108 insertions, 0 deletions
diff --git a/sys/dev/ic/i8251.h b/sys/dev/ic/i8251.h
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+/*-
+ * 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
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