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