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gtscreg.h revision 1.1 
      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  *      @(#)gvp11_dmareg.h
     34  *	$Id: gtscreg.h,v 1.1 1994/05/08 05:53:14 chopps Exp $
     35  */
     36 #ifndef _AMIGA_DEV_AHSCREG_H_
     37 #define _AMIGA_DEV_AHSCREG_H_
     38 
     39 /*
     40  * Hardware layout of the GVP Series II SDMAC. This also contains the
     41  * registers for the sbic chip, but in favor of separating DMA and
     42  * scsi, the scsi-driver doesn't make use of this dependency
     43  */
     44 
     45 #define	v_int		volatile int
     46 #define vu_char		volatile u_char
     47 #define vu_short	volatile u_short
     48 #define vu_int		volatile u_int
     49 
     50 struct sdmac {
     51   u_short	pad0[32];
     52   vu_short CNTR;
     53   u_short	pad1[15];
     54   u_char	pad2;
     55   vu_char  SASR;
     56   u_char	pad3;
     57   vu_char  SCMD;
     58   u_short	pad4[2];
     59   vu_short bank;
     60   u_short	pad5[3];
     61   vu_int   ACR;
     62   vu_short	secret1;      /* Initially store 0  here */
     63   vu_short ST_DMA;       /* strobe */
     64   vu_short SP_DMA;       /* strobe */
     65   vu_short	secret2;      /* Initially store 1  here */
     66   vu_short	secret3;      /*         "       15  "   */
     67 };
     68 
     69 #define GVP_CNTR_BUSY           (1<<0)
     70 #define GVP_CNTR_INT_P          (1<<1)
     71 #define GVP_CNTR_INTEN          (1<<3)
     72 #define GVP_CNTR_DDIR           (1<<4)
     73 
     74 #endif /* _AMIGA_DEV_AHSCREG_H_ */
     75