sys/arch/hpcmips/vr/dcureg.h

   1 /*      $NetBSD:$       */
   2
   3 /*-
   4  * Copyright (c) 1999 SATO Kazumi. All rights reserved.
   5  * Copyright (c) 1999 PocketBSD Project. All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  * 3. All advertising materials mentioning features or use of this software
  16  *    must display the following acknowledgement:
  17  *      This product includes software developed by the PocketBSD project
  18  *      and its contributors.
  19  * 4. Neither the name of the project nor the names of its contributors
  20  *    may be used to endorse or promote products derived from this software
  21  *    without specific prior written permission.
  22  *
  23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  33  * SUCH DAMAGE.
  34  *
  35  */
  36
  37 /*
  38  *      DCU (DMA Control UNIT) Registers.
  39  *              start 0x0B000040
  40  */
  41 #define DMARST_REG_W            0x000           /* DMA Reset Register */
  42 #define         DMARST                  (1)             /* DMA reset */
  43
  44 #define DMAIDLE_REG_W           0x002           /* DMA Idle Register */
  45 #define         DMAISTAT                (1)             /* DMA Idle Status */
  46 #define         DMAIDLE                 (1)             /* DMA Idle */
  47 #define         DMABUSY                 (0)             /* DMA Busy */
  48
  49
  50 #define DMASEN_REG_W            0x004           /* DMA Sequencer Enable Register */
  51 #define         DMASENMASK              (1)             /* DMA Seq Enable */
  52 #define         DMASEN                  (1)             /* DMA Seq Enable */
  53 #define         DMASDS                  (0)             /* DMA Seq Disable */
  54
  55
  56 #define DMAMSK_REG_W            0x006           /* DMA Mask Register */
  57 #define         DMAMSKAIN               (1<<3)  /* Audio IN  DMA Enable */
  58 #define         DMAMSKAOUT              (1<<2)  /* Audio OUT  DMA Enable */
  59 #define         DMAMSKFOUT              (1)     /* FIR DMA Enable  */
  60
  61
  62 #define DMAREQ_REG_W            0x008           /* DMA Request Register */
  63 #define         DMAREQAIN               (1<<3)          /* Audio IN Request pending */
  64 #define         DMAREQAOUT              (1<<2)          /* Audio OUT Request pending */
  65 #define         DMAREQFOUT              (1)             /* FIR Request pending */
  66
  67
  68 #define DMATD_REG_W             0x00A           /* DMA Transfer Direction Register */
  69 #define         DMATDMASK               (1)             /* DMA transfer direction (FIR) */
  70 #define         DMATDIOMEM              (1)             /* I/O -> MEM */
  71 #define         DMATDMEMIO              (0)             /* MEM -> I/O */
  72
  73 /* END dcureg.h */