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gtscreg.h revision 1.2 
      1 /*	$NetBSD: gtscreg.h,v 1.2 1994/10/26 02:03:39 cgd 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. All advertising materials mentioning features or use of this software
     16  *    must display the following acknowledgement:
     17  *      This product includes software developed by the University of
     18  *      California, Berkeley and its contributors.
     19  * 4. Neither the name of the University 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  *      @(#)gvp11_dmareg.h
     36  */
     37 #ifndef _AMIGA_DEV_AHSCREG_H_
     38 #define _AMIGA_DEV_AHSCREG_H_
     39 
     40 /*
     41  * Hardware layout of the GVP Series II SDMAC. This also contains the
     42  * registers for the sbic chip, but in favor of separating DMA and
     43  * scsi, the scsi-driver doesn't make use of this dependency
     44  */
     45 
     46 #define	v_int		volatile int
     47 #define vu_char		volatile u_char
     48 #define vu_short	volatile u_short
     49 #define vu_int		volatile u_int
     50 
     51 struct sdmac {
     52   u_short	pad0[32];
     53   vu_short CNTR;
     54   u_short	pad1[15];
     55   u_char	pad2;
     56   vu_char  SASR;
     57   u_char	pad3;
     58   vu_char  SCMD;
     59   u_short	pad4[2];
     60   vu_short bank;
     61   u_short	pad5[3];
     62   vu_int   ACR;
     63   vu_short	secret1;      /* Initially store 0  here */
     64   vu_short ST_DMA;       /* strobe */
     65   vu_short SP_DMA;       /* strobe */
     66   vu_short	secret2;      /* Initially store 1  here */
     67   vu_short	secret3;      /*         "       15  "   */
     68 };
     69 
     70 #define GVP_CNTR_BUSY           (1<<0)
     71 #define GVP_CNTR_INT_P          (1<<1)
     72 #define GVP_CNTR_INTEN          (1<<3)
     73 #define GVP_CNTR_DDIR           (1<<4)
     74 
     75 #endif /* _AMIGA_DEV_AHSCREG_H_ */
     76