/* $NetBSD: dcureg.h,v 1.1.1.1 1999/09/16 12:23:32 takemura Exp $ */ /*- * Copyright (c) 1999 SATO Kazumi. All rights reserved. * Copyright (c) 1999 PocketBSD Project. 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. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the PocketBSD project * and its contributors. * 4. Neither the name of the project 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. * */ /* * DCU (DMA Control UNIT) Registers. * start 0x0B000040 */ #define DMARST_REG_W 0x000 /* DMA Reset Register */ #define DMARST (1) /* DMA reset */ #define DMAIDLE_REG_W 0x002 /* DMA Idle Register */ #define DMAISTAT (1) /* DMA Idle Status */ #define DMAIDLE (1) /* DMA Idle */ #define DMABUSY (0) /* DMA Busy */ #define DMASEN_REG_W 0x004 /* DMA Sequencer Enable Register */ #define DMASENMASK (1) /* DMA Seq Enable */ #define DMASEN (1) /* DMA Seq Enable */ #define DMASDS (0) /* DMA Seq Disable */ #define DMAMSK_REG_W 0x006 /* DMA Mask Register */ #define DMAMSKAIN (1<<3) /* Audio IN DMA Enable */ #define DMAMSKAOUT (1<<2) /* Audio OUT DMA Enable */ #define DMAMSKFOUT (1) /* FIR DMA Enable */ #define DMAREQ_REG_W 0x008 /* DMA Request Register */ #define DMAREQAIN (1<<3) /* Audio IN Request pending */ #define DMAREQAOUT (1<<2) /* Audio OUT Request pending */ #define DMAREQFOUT (1) /* FIR Request pending */ #define DMATD_REG_W 0x00A /* DMA Transfer Direction Register */ #define DMATDMASK (1) /* DMA transfer direction (FIR) */ #define DMATDIOMEM (1) /* I/O -> MEM */ #define DMATDMEMIO (0) /* MEM -> I/O */ /* END dcureg.h */ |