* Copyright (c) 1982, 1990 The Regents of the University of California.

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

/*
* Copyright (c) 1982, 1990 The Regents of the University of California.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)gvp11_dmareg.h
*/
#ifndef _AMIGA_DEV_AHSCREG_H_
#define _AMIGA_DEV_AHSCREG_H_

/*
* Hardware layout of the GVP Series II SDMAC. This also contains the
* registers for the sbic chip, but in favor of separating DMA and
* scsi, the scsi-driver doesn't make use of this dependency
*/

#define v_int volatile int
#define vu_char volatile u_char
#define vu_short volatile u_short
#define vu_int volatile u_int

struct sdmac {
u_short pad0[32];
vu_short CNTR;
u_short pad1[15];
u_char pad2;
vu_char SASR;
u_char pad3;
vu_char SCMD;
u_short pad4[2];
vu_short bank;
u_short pad5[3];
vu_int ACR;
vu_short secret1; /* Initially store 0 here */
vu_short ST_DMA; /* strobe */
vu_short SP_DMA; /* strobe */
vu_short secret2; /* Initially store 1 here */
vu_short secret3; /* " 15 " */
};

#define GVP_CNTR_BUSY (1<<0)
#define GVP_CNTR_INT_P (1<<1)
#define GVP_CNTR_INTEN (1<<3)
#define GVP_CNTR_DDIR (1<<4)

#endif /* _AMIGA_DEV_AHSCREG_H_ */