diff options
Diffstat (limited to 'sys/arch/mvme68k/dev/wdscreg.h')
| -rw-r--r-- | sys/arch/mvme68k/dev/wdscreg.h | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/sys/arch/mvme68k/dev/wdscreg.h b/sys/arch/mvme68k/dev/wdscreg.h new file mode 100644 index 00000000000..e439e627751 --- /dev/null +++ b/sys/arch/mvme68k/dev/wdscreg.h @@ -0,0 +1,53 @@ +/* $OpenBSD: wdscreg.h,v 1.1 1996/04/28 11:24:49 deraadt Exp $ */ + +/* + * Copyright (c) 1994 Christian E. Hopps + * Copyright (c) 1982, 1990 The Regents of the University of California. + * 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 University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University 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. + * + * @(#)dmareg.h + */ +#ifndef _MVME68K_DEV_WDSCREG_H_ +#define _MVME68K_DEV_WDSCREG_H_ + +#define DMAC_CSR_ENABLE (1 << 0) /* Enable the DMAC */ +#define DMAC_CSR_TABLE (1 << 1) /* Select Table Mode */ +#define DMAC_CSR_WRITE (1 << 2) /* Write data from RAM to SCSI */ +#define DMAC_CSR_TBUSERR (1 << 3) /* Bus error during table walk */ +#define DMAC_CSR_DBUSERR (1 << 4) /* Bus error during data xfer */ +#define DMAC_CSR_TSIZE (1 << 5) /* Table addr. not in 32 bits */ +#define DMAC_CSR_8BITS (1 << 6) /* Non-8 bit handshake */ +#define DMAC_CSR_DONE (1 << 7) /* Transfer complete, or error */ + +#define DMAC_SR_HOLDING 0x0f /* Data holding state */ +#define DMAC_SR_INCREMENT 0xf0 /* Increment value */ + +#endif |