1 /* $NetBSD: gtscreg.h,v 1.4 2005/12/11 12:16:28 christos 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. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 * 31 * @(#)gvp11_dmareg.h 32 */ 33 #ifndef _AMIGA_DEV_AHSCREG_H_ 34 #define _AMIGA_DEV_AHSCREG_H_ 35 36 /* 37 * Hardware layout of the GVP Series II SDMAC. This also contains the 38 * registers for the sbic chip, but in favor of separating DMA and 39 * scsi, the scsi-driver doesn't make use of this dependency 40 */ 41 42 #define v_int volatile int 43 #define vu_char volatile u_char 44 #define vu_short volatile u_short 45 #define vu_int volatile u_int 46 47 struct sdmac { 48 u_short pad0[32]; 49 vu_short CNTR; 50 u_short pad1[15]; 51 u_char pad2; 52 vu_char SASR; 53 u_char pad3; 54 vu_char SCMD; 55 u_short pad4[2]; 56 vu_short bank; 57 u_short pad5[3]; 58 vu_int ACR; 59 vu_short secret1; /* Initially store 0 here */ 60 vu_short ST_DMA; /* strobe */ 61 vu_short SP_DMA; /* strobe */ 62 vu_short secret2; /* Initially store 1 here */ 63 vu_short secret3; /* " 15 " */ 64 }; 65 66 #define GVP_CNTR_BUSY (1<<0) 67 #define GVP_CNTR_INT_P (1<<1) 68 #define GVP_CNTR_INTEN (1<<3) 69 #define GVP_CNTR_DDIR (1<<4) 70 71 #endif /* _AMIGA_DEV_AHSCREG_H_ */ 72