72e11b654e
an Amiga DMA controller, and #if 0'ed WD33C93 definitions that are duplicated in sbicreg.h. uPD71071 definitions can stay for now, since they're not actually useless even though they're unused.
138 lines
5.6 KiB
C
138 lines
5.6 KiB
C
/* $NetBSD: ascreg.h,v 1.6 2006/08/20 19:26:52 bjh21 Exp $ */
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/*
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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. 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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* from:ahscreg.h,v 1.2 1994/10/26 02:02:46
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*/
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/*
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* Copyright (c) 1996 Mark Brinicombe
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* Copyright (c) 1994 Christian E. Hopps
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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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* from:ahscreg.h,v 1.2 1994/10/26 02:02:46
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*/
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#ifndef _ASCREG_H_
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#define _ASCREG_H_
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#define v_char volatile char
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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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/* Addresses relative to podule base */
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#define ASC_INTSTATUS 0x2000
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#define ASC_CLRINT 0x2000
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#define ASC_PAGEREG 0x3000
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/* Addresses relative to module base */
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#define ASC_DMAC 0x3000
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#define ASC_SBIC 0x2000
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#define ASC_SRAM 0x0000
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#define ASC_SBIC_SPACE 8
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#define ASC_SRAM_BLKSIZE 0x1000
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#define IS_IRQREQ 0x01
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#define IS_DMAC_IRQ 0x02
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#define IS_SBIC_IRQ 0x08
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#if 0
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/* SBIC status codes */
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#define SBIC_ResetOk 0x00
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#define SBIC_ResetAFOk 0x01
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/* DMAC constants */
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#define DMAC_Bits 0x01
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#define DMAC_Ctrl1 0x60
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#define DMAC_Ctrl2 0x01
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#define DMAC_CLEAR_MASK 0x0E
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#define DMAC_SET_MASK 0x0F
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#define DMAC_DMA_RD_MODE 0x04
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#define DMAC_DMA_WR_MODE 0x08
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/* DMAC registers */
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#define DMAC_INITIALISE 0x0000 /* WO ---- ---- ---- ---- ---- ---- 16B RES */
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#define DMAC_CHANNEL 0x0200 /* R ---- ---- ---- BASE SEL3 SEL2 SEL1 SEL0 */
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/* W ---- ---- ---- ---- ---- BASE *SELECT** */
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#define DMAC_TXCNTLO 0x0004 /* RW C7 C6 C5 C4 C3 C2 C1 C0 */
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#define DMAC_TXCNTHI 0x0204 /* RW C15 C14 C13 C12 C11 C10 C9 C8 */
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#define DMAC_TXADRLO 0x0008 /* RW A7 A6 A5 A4 A3 A2 A1 A0 */
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#define DMAC_TXADRMD 0x0208 /* RW A15 A14 A13 A12 A11 A10 A9 A8 */
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#define DMAC_TXADRHI 0x000C /* RW A23 A22 A21 A20 A19 A18 A17 A16 */
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#define DMAC_DEVCON1 0x0010 /* RW AKL RQL EXW ROT CMP DDMA AHLD MTM */
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#define DMAC_DEVCON2 0x0210 /* RW ---- ---- ---- ---- ---- ---- WEV BHLD */
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#define DMAC_MODECON 0x0014 /* RW **TMODE** ADIR AUTI **TDIR*** ---- WORD */
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#define DMAC_STATUS 0x0214 /* RO RQ3 RQ2 RQ1 RQ0 TC3 TC2 TC1 TC0 */
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#if 0
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templo = dmac + 0x0018;/* RO T7 T6 T5 T4 T3 T2 T1 T0 */
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temphi = dmac + 0x0218;/* RO T15 T14 T13 T12 T11 T10 T9 T8 */
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#endif
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#define DMAC_REQREG 0x001C /* RW ---- ---- ---- ---- SRQ3 SRQ2 SRQ1 SRQ0 */
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#define DMAC_MASKREG 0x021C /* RW ---- ---- ---- ---- M3 M2 M1 M0 */
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#endif
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#endif /* _ASCREG_H_ */
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