diff options
author | Mats O Jansson <maja@cvs.openbsd.org> | 1997-09-10 11:58:36 +0000 |
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committer | Mats O Jansson <maja@cvs.openbsd.org> | 1997-09-10 11:58:36 +0000 |
commit | 663d76b808b184462dd249f52963bdc5d9ff84f7 (patch) | |
tree | 59676b8e3e8c3511867a7b44a3a647e7b3112258 /sys/arch/vax/uba/dlreg.h | |
parent | 6872085ee6a866a1f903e87bab7d09e8720640c2 (diff) |
Sync with NetBSD 970516. -moj
Diffstat (limited to 'sys/arch/vax/uba/dlreg.h')
-rw-r--r-- | sys/arch/vax/uba/dlreg.h | 82 |
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 --- /dev/null +++ b/sys/arch/vax/uba/dlreg.h @@ -0,0 +1,82 @@ +/* $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. */ |