initial import of NetBSD tree

1 files changed, 118 insertions, 0 deletions

diff --git a/sys/dev/isa/comreg.h b/sys/dev/isa/comreg.h
new file mode 100644
index 00000000000..4a4f0e90c25
--- /dev/null
+++ b/sys/dev/isa/comreg.h
@@ -0,0 +1,118 @@
+/*	$NetBSD: comreg.h,v 1.6 1995/06/28 04:31:30 cgd Exp $	*/
+
+/*-
+ * 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.
+ *
+ *	@(#)comreg.h	7.2 (Berkeley) 5/9/91
+ */
+
+#include <dev/ic/ns16550reg.h>
+
+#define	COM_FREQ	1843200	/* 16-bit baud rate divisor */
+#define	COM_TOLERANCE	30	/* baud rate tolerance, in 0.1% units */
+
+/* interrupt enable register */
+#define	IER_ERXRDY	0x1
+#define	IER_ETXRDY	0x2
+#define	IER_ERLS	0x4
+#define	IER_EMSC	0x8
+
+/* interrupt identification register */
+#define	IIR_IMASK	0xf
+#define	IIR_RXTOUT	0xc
+#define	IIR_RLS		0x6
+#define	IIR_RXRDY	0x4
+#define	IIR_TXRDY	0x2
+#define	IIR_NOPEND	0x1
+#define	IIR_MLSC	0x0
+#define	IIR_FIFO_MASK	0xc0	/* set if FIFOs are enabled */
+
+/* fifo control register */
+#define	FIFO_ENABLE	0x01
+#define	FIFO_RCV_RST	0x02
+#define	FIFO_XMT_RST	0x04
+#define	FIFO_DMA_MODE	0x08
+#define	FIFO_TRIGGER_1	0x00
+#define	FIFO_TRIGGER_4	0x40
+#define	FIFO_TRIGGER_8	0x80
+#define	FIFO_TRIGGER_14	0xc0
+
+/* character format control register */
+#define	CFCR_DLAB	0x80
+#define	CFCR_SBREAK	0x40
+#define	CFCR_PZERO	0x30
+#define	CFCR_PONE	0x20
+#define	CFCR_PEVEN	0x10
+#define	CFCR_PODD	0x00
+#define	CFCR_PENAB	0x08
+#define	CFCR_STOPB	0x04
+#define	CFCR_8BITS	0x03
+#define	CFCR_7BITS	0x02
+#define	CFCR_6BITS	0x01
+#define	CFCR_5BITS	0x00
+
+/* modem control register */
+#define	MCR_LOOPBACK	0x10
+#define	MCR_IENABLE	0x08
+#define	MCR_DRS		0x04
+#define	MCR_RTS		0x02
+#define	MCR_DTR		0x01
+
+/* line status register */
+#define	LSR_RCV_FIFO	0x80
+#define	LSR_TSRE	0x40
+#define	LSR_TXRDY	0x20
+#define	LSR_BI		0x10
+#define	LSR_FE		0x08
+#define	LSR_PE		0x04
+#define	LSR_OE		0x02
+#define	LSR_RXRDY	0x01
+#define	LSR_RCV_MASK	0x1f
+
+/* modem status register */
+#define	MSR_DCD		0x80
+#define	MSR_RI		0x40
+#define	MSR_DSR		0x20
+#define	MSR_CTS		0x10
+#define	MSR_DDCD	0x08
+#define	MSR_TERI	0x04
+#define	MSR_DDSR	0x02
+#define	MSR_DCTS	0x01
+
+#define	COM_NPORTS	8
+
+/*
+ * WARNING: Serial console is assumed to be at COM1 address
+ * and CONUNIT must be 0.
+ */
+#define	CONADDR	(0x3f8)
+#define	CONUNIT	(0)