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authorMats O Jansson <maja@cvs.openbsd.org>1997-09-10 11:58:36 +0000
committerMats O Jansson <maja@cvs.openbsd.org>1997-09-10 11:58:36 +0000
commit663d76b808b184462dd249f52963bdc5d9ff84f7 (patch)
tree59676b8e3e8c3511867a7b44a3a647e7b3112258 /sys/arch/vax/uba/dlreg.h
parent6872085ee6a866a1f903e87bab7d09e8720640c2 (diff)
Sync with NetBSD 970516. -moj
Diffstat (limited to 'sys/arch/vax/uba/dlreg.h')
-rw-r--r--sys/arch/vax/uba/dlreg.h82
1 files changed, 82 insertions, 0 deletions
diff --git a/sys/arch/vax/uba/dlreg.h b/sys/arch/vax/uba/dlreg.h
new file mode 100644
index 00000000000..d3d007b72b9
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+++ b/sys/arch/vax/uba/dlreg.h
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+/* $NetBSD: dlreg.h,v 1.1 1997/02/04 19:13:19 ragge Exp $ */
+/*
+ * Copyright (c) 1997 Ben Harris. 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 Ben Harris.
+ * 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.
+ */
+
+/*
+ * dlreg.h -- Definitions for the DL11 and DLV11 serial cards.
+ *
+ * Style in imitation of dzreg.h.
+ */
+
+union w_b
+{
+ u_short word;
+ struct {
+ u_char byte_lo;
+ u_char byte_hi;
+ } bytes;
+};
+
+struct DLregs
+{
+ volatile u_short dl_rcsr; /* Receive Control/Status Register (R/W) */
+ volatile u_short dl_rbuf; /* Receive Buffer (R) */
+ volatile u_short dl_xcsr; /* Transmit Control/Status Register (R/W) */
+ volatile union w_b u_xbuf; /* Transmit Buffer (W) */
+#define dl_xbuf u_xbuf.bytes.byte_lo
+};
+
+typedef struct DLregs dlregs;
+
+/* RCSR bits */
+
+#define DL_RCSR_RX_DONE 0x0080 /* Receiver Done (R) */
+#define DL_RCSR_RXIE 0x0040 /* Receiver Interrupt Enable (R/W) */
+#define DL_RCSR_READER_ENABLE 0x0001 /* [paper-tape] Reader Enable (W) */
+#define DL_RCSR_BITS "\20\1READER_ENABLE\7RXIE\10RX_DONE\n"
+
+/* RBUF bits */
+
+#define DL_RBUF_ERR 0x8000 /* Error (R) */
+#define DL_RBUF_OVERRUN_ERR 0x4000 /* Overrun Error (R) */
+#define DL_RBUF_FRAMING_ERR 0x2000 /* Framing Error (R) */
+#define DL_RBUF_PARITY_ERR 0x1000 /* Parity Error (R) */
+#define DL_RBUF_DATA_MASK 0x00FF /* Receive Data (R) */
+#define DL_RBUF_BITS "\20\15PARITY_ERR\16FRAMING_ERR\17OVERRUN_ERR\20ERR\n"
+
+/* XCSR bits */
+
+#define DL_XCSR_TX_READY 0x0080 /* Transmitter Ready (R) */
+#define DL_XCSR_TXIE 0x0040 /* Transmit Interrupt Enable (R/W) */
+#define DL_XCSR_TX_BREAK 0x0001 /* Transmit Break (R/W) */
+#define DL_XCSR_BITS "\20\1TX_BREAK\7TXIE\10TX_READY\n"
+
+/* XBUF is just data byte right justified. */