70 lines
2.9 KiB
C
70 lines
2.9 KiB
C
/*
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* Copyright (c) 1982, 1990 The Regents of the University of California.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)gvp11_dmareg.h
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* $Id: gvp11dmareg.h,v 1.2 1994/02/11 07:01:47 chopps Exp $
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*/
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/* Hardware layout of the GVP Series II SDMAC. This also contains the
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registers for the sbic chip, but in favor of separating DMA and
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scsi, the scsi-driver doesn't make use of this dependency */
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#define v_int volatile int
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#define vu_char volatile u_char
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#define vu_short volatile u_short
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#define vu_int volatile u_int
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struct sdmac {
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u_short _____________pad0[32];
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vu_short CNTR;
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u_short _____________pad1[15];
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u_char _____________pad2;
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vu_char SASR;
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u_char _____________pad3;
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vu_char SCMD;
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u_short _____________pad4[2];
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vu_short bank;
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u_short _____________pad5[3];
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vu_int ACR;
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vu_short secret1; /* Initially store 0 here */
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vu_short ST_DMA; /* strobe */
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vu_short SP_DMA; /* strobe */
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vu_short secret2; /* Initially store 1 here */
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vu_short secret3; /* " 15 " */
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};
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#define GVP_CNTR_BUSY (1<<0)
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#define GVP_CNTR_INT_P (1<<1)
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#define GVP_CNTR_INTEN (1<<3)
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#define GVP_CNTR_DDIR (1<<4)
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