isadma.h revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 2000 by Sun Microsystems, Inc.
* All rights reserved.
*/
#ifndef _SYS_ISADMA_H
#define _SYS_ISADMA_H
#pragma ident "%Z%%M% %I% %E% SMI"
#ifdef __cplusplus
extern "C" {
#endif
/*
* definition of ebus reg spec entry:
*/
typedef struct {
/*
* driver soft state structure:
*/
typedef struct {
int isadma_want; /* Want state flag */
/*
* Lower bound and upper bound of DMA address space hole. Registers
* in this hole belong to our childs devices.
*/
#define LO_BOUND DMAC2_ALLMASK
#define HDL_TO_SEQREG_ADDR(h, o) \
#define BEGIN_ISADMA(o, v) ((o) == DMAC1_ALLMASK && (v))
#define END_ISADMA(o, v) ((o) == DMAC1_ALLMASK && (v) == 0)
#ifdef __cplusplus
}
#endif
#endif /* _SYS_ISADMA_H */