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      1 /*	$NetBSD: gtscreg.h,v 1.4 2005/12/11 12:16:28 christos 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_ */
     72