Return to dlreg.h CVS log

Up to [local] / sys / arch / vax / qbus

Annotation of sys/arch/vax/qbus/dlreg.h, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: dlreg.h,v 1.1 2000/04/27 03:14:47 bjc Exp $   */
        !             2: /*     $NetBSD: dlreg.h,v 1.3 1999/05/27 16:02:04 ragge Exp $  */
        !             3: /*
        !             4:  * Copyright (c) 1997  Ben Harris.  All rights reserved.
        !             5:  *
        !             6:  * Redistribution and use in source and binary forms, with or without
        !             7:  * modification, are permitted provided that the following conditions
        !             8:  * are met:
        !             9:  * 1. Redistributions of source code must retain the above copyright
        !            10:  *    notice, this list of conditions and the following disclaimer.
        !            11:  * 2. Redistributions in binary form must reproduce the above copyright
        !            12:  *    notice, this list of conditions and the following disclaimer in the
        !            13:  *    documentation and/or other materials provided with the distribution.
        !            14:  * 3. All advertising materials mentioning features or use of this software
        !            15:  *    must display the following acknowledgement:
        !            16:  *     This product includes software developed by Ben Harris.
        !            17:  * 4. Neither the name of the University nor the names of its contributors
        !            18:  *    may be used to endorse or promote products derived from this software
        !            19:  *    without specific prior written permission.
        !            20:  *
        !            21:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
        !            22:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            23:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            24:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
        !            25:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            26:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            27:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            28:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            29:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            30:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            31:  * SUCH DAMAGE.
        !            32:  */
        !            33:
        !            34: /*
        !            35:  * dlreg.h -- Definitions for the DL11 and DLV11 serial cards.
        !            36:  *
        !            37:  * Style in imitation of dzreg.h.
        !            38:  */
        !            39:
        !            40: #ifdef notdef
        !            41: union w_b
        !            42: {
        !            43:        u_short word;
        !            44:        struct {
        !            45:                u_char byte_lo;
        !            46:                u_char byte_hi;
        !            47:        } bytes;
        !            48: };
        !            49:
        !            50: struct DLregs
        !            51: {
        !            52:        volatile u_short dl_rcsr; /* Receive Control/Status Register (R/W) */
        !            53:        volatile u_short dl_rbuf; /* Receive Buffer (R) */
        !            54:        volatile u_short dl_xcsr; /* Transmit Control/Status Register (R/W) */
        !            55:        volatile union w_b u_xbuf; /* Transmit Buffer (W) */
        !            56: #define dl_xbuf u_xbuf.bytes.byte_lo
        !            57: };
        !            58:
        !            59: typedef struct DLregs dlregs;
        !            60: #endif
        !            61:
        !            62: #define        DL_UBA_RCSR     0
        !            63: #define        DL_UBA_RBUF     2
        !            64: #define        DL_UBA_XCSR     4
        !            65: #define        DL_UBA_XBUFL    6
        !            66:
        !            67: /* RCSR bits */
        !            68:
        !            69: #define DL_RCSR_RX_DONE                0x0080 /* Receiver Done (R) */
        !            70: #define DL_RCSR_RXIE           0x0040 /* Receiver Interrupt Enable (R/W) */
        !            71: #define DL_RCSR_READER_ENABLE  0x0001 /* [paper-tape] Reader Enable (W) */
        !            72: #define DL_RCSR_BITS           "\20\1READER_ENABLE\7RXIE\10RX_DONE\n"
        !            73:
        !            74: /* RBUF bits */
        !            75:
        !            76: #define DL_RBUF_ERR            0x8000 /* Error (R) */
        !            77: #define DL_RBUF_OVERRUN_ERR    0x4000 /* Overrun Error (R) */
        !            78: #define DL_RBUF_FRAMING_ERR    0x2000 /* Framing Error (R) */
        !            79: #define DL_RBUF_PARITY_ERR     0x1000 /* Parity Error (R) */
        !            80: #define DL_RBUF_DATA_MASK      0x00FF /* Receive Data (R) */
        !            81: #define DL_RBUF_BITS   "\20\15PARITY_ERR\16FRAMING_ERR\17OVERRUN_ERR\20ERR\n"
        !            82:
        !            83: /* XCSR bits */
        !            84:
        !            85: #define DL_XCSR_TX_READY       0x0080 /* Transmitter Ready (R) */
        !            86: #define DL_XCSR_TXIE           0x0040 /* Transmit Interrupt Enable (R/W) */
        !            87: #define DL_XCSR_TX_BREAK       0x0001 /* Transmit Break (R/W) */
        !            88: #define DL_XCSR_BITS           "\20\1TX_BREAK\7TXIE\10TX_READY\n"
        !            89:
        !            90: /* XBUF is just data byte right justified. */