sys/arch/amiga/dev/gtscreg.h

   1 /*      $NetBSD: gtscreg.h,v 1.2.66.3 2004/09/21 13:12:27 skrll Exp $   */
   2
   3 /*
   4  * Copyright (c) 1982, 1990 The Regents of the University of California.
   5  * 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. Neither the name of the University nor the names of its contributors
  16  *    may be used to endorse or promote products derived from this software
  17  *    without specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  29  * SUCH DAMAGE.
  30  *
  31  *      @(#)gvp11_dmareg.h
  32  */
  33 #ifndef _AMIGA_DEV_AHSCREG_H_
  34 #define _AMIGA_DEV_AHSCREG_H_
  35
  36 /*
  37  * Hardware layout of the GVP Series II SDMAC. This also contains the
  38  * registers for the sbic chip, but in favor of separating DMA and
  39  * scsi, the scsi-driver doesn't make use of this dependency
  40  */
  41
  42 #define v_int           volatile int
  43 #define vu_char         volatile u_char
  44 #define vu_short        volatile u_short
  45 #define vu_int          volatile u_int
  46
  47 struct sdmac {
  48   u_short       pad0[32];
  49   vu_short CNTR;
  50   u_short       pad1[15];
  51   u_char        pad2;
  52   vu_char  SASR;
  53   u_char        pad3;
  54   vu_char  SCMD;
  55   u_short       pad4[2];
  56   vu_short bank;
  57   u_short       pad5[3];
  58   vu_int   ACR;
  59   vu_short      secret1;      /* Initially store 0  here */
  60   vu_short ST_DMA;       /* strobe */
  61   vu_short SP_DMA;       /* strobe */
  62   vu_short      secret2;      /* Initially store 1  here */
  63   vu_short      secret3;      /*         "       15  "   */
  64 };
  65
  66 #define GVP_CNTR_BUSY           (1<<0)
  67 #define GVP_CNTR_INT_P          (1<<1)
  68 #define GVP_CNTR_INTEN          (1<<3)
  69 #define GVP_CNTR_DDIR           (1<<4)
  70
  71 #endif /* _AMIGA_DEV_AHSCREG_H_ */