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Annotation of Net2/arch/hp300/dev/dmavar.h, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Copyright (c) 1982, 1990 The Regents of the University of California.
                      3:  * All rights reserved.
                      4:  *
                      5:  * Redistribution and use in source and binary forms, with or without
                      6:  * modification, are permitted provided that the following conditions
                      7:  * are met:
                      8:  * 1. Redistributions of source code must retain the above copyright
                      9:  *    notice, this list of conditions and the following disclaimer.
                     10:  * 2. Redistributions in binary form must reproduce the above copyright
                     11:  *    notice, this list of conditions and the following disclaimer in the
                     12:  *    documentation and/or other materials provided with the distribution.
                     13:  * 3. All advertising materials mentioning features or use of this software
                     14:  *    must display the following acknowledgement:
                     15:  *     This product includes software developed by the University of
                     16:  *     California, Berkeley and its contributors.
                     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:  *     @(#)dmavar.h    7.2 (Berkeley) 11/4/90
                     34:  */
                     35: 
                     36: /* dmago flags */
                     37: #define        DMAGO_BYTE      0x00    /* do byte (8 bit) transfers */
                     38: #define        DMAGO_WORD      0x01    /* do word (16 bit) transfers */
                     39: #define        DMAGO_LWORD     0x02    /* do longword (32 bit) transfers */
                     40: #define        DMAGO_PRI       0x04    /* do "priority" DMA */
                     41: #define        DMAGO_READ      0x08    /* transfer is a read */
                     42: #define        DMAGO_NOINT     0x80    /* don't interrupt on completion */
                     43: 
                     44: /* dma "controllers" (channels) */
                     45: #define        DMA0            0x1
                     46: #define        DMA1            0x2
                     47: 
                     48: #ifdef KERNEL
                     49: extern void    dmago(), dmafree();
                     50: extern int     dmareq();
                     51: #endif

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