NetBSD/sys/dev/pci/pciidereg.h

71 lines
2.9 KiB
C

/* $NetBSD: pciidereg.h,v 1.2 1998/03/04 19:17:10 cgd Exp $ */
/*
* Copyright (c) 1998 Christopher G. Demetriou. 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 Christopher G. Demetriou
* for the NetBSD Project.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*/
/*
* PCI IDE controller register definitions.
*
* Author: Christopher G. Demetriou, March 2, 1998.
*
* See "PCI IDE Controller Specification, Revision 1.0 3/4/94" and
* "Programming Interface for Bus Master IDE Controller, Revision 1.0
* 5/16/94" from the PCI SIG.
*/
/*
* Number of channels per chip. MUST NOT CHANGE (macros in pciide.c and
* this file depend on its value).
*/
#define PCIIDE_NUM_CHANNELS 2
/*
* PCI base address register locations (some are per-channel).
*/
#define PCIIDE_REG_CMD_BASE(chan) (0x10 + (8 * (chan)))
#define PCIIDE_REG_CTL_BASE(chan) (0x14 + (8 * (chan)))
#define PCIIDE_REG_BUS_MASTER_DMA 0x20
/*
* Bits in the PCI Programming Interface register (some are per-channel).
*/
#define PCIIDE_INTERFACE_PCI(chan) (0x01 << (2 * (chan)))
#define PCIIDE_INTERFACE_SETTABLE(chan) (0x02 << (2 * (chan)))
#define PCIIDE_INTERFACE_BUS_MASTER_DMA 0x80
/*
* Compatibility address/IRQ definitions (some are per-channel).
*/
#define PCIIDE_COMPAT_CMD_BASE(chan) ((chan) == 0 ? 0x1f0 : 0x170)
#define PCIIDE_COMPAT_CMD_SIZE 8
#define PCIIDE_COMPAT_CTL_BASE(chan) ((chan) == 0 ? 0x3f6 : 0x376)
#define PCIIDE_COMPAT_CTL_SIZE 1
#define PCIIDE_COMPAT_IRQ(chan) ((chan) == 0 ? 14 : 15)