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pciidereg.h revision 1.1 
      1 /*	$NetBSD: pciidereg.h,v 1.1 1998/03/04 06:35:11 cgd Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1998 Christopher G. Demetriou.  All rights reserved.
      5  *
      6  * Redistribution and use in source and binary forms, with or without
      7  * modification, are permitted provided that the following conditions
      8  * are met:
      9  * 1. Redistributions of source code must retain the above copyright
     10  *    notice, this list of conditions and the following disclaimer.
     11  * 2. Redistributions in binary form must reproduce the above copyright
     12  *    notice, this list of conditions and the following disclaimer in the
     13  *    documentation and/or other materials provided with the distribution.
     14  * 3. All advertising materials mentioning features or use of this software
     15  *    must display the following acknowledgement:
     16  *      This product includes software developed by Christopher G. Demetriou
     17  *	for the NetBSD Project.
     18  * 4. The name of the author may not be used to endorse or promote products
     19  *    derived from this software without specific prior written permission
     20  *
     21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     22  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     23  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     24  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     26  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     30  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     31  */
     32 
     33 /*
     34  * PCI IDE controller register definitions.
     35  *
     36  * Author: Christopher G. Demetriou, March 2, 1998.
     37  *
     38  * See "PCI IDE Controller Specification, Revision 1.0 3/4/94" from the
     39  * PCI SIG.
     40  */
     41 
     42 /*
     43  * Number of channels per chip.  MUST NOT CHANGE (macros in pciide.c and
     44  * this file depend on its value).
     45  */
     46 #define	PCIIDE_NUM_CHANNELS		2
     47 
     48 /*
     49  * PCI base address register locations (all are per channel).
     50  */
     51 #define	PCIIDE_REG_CMD_BASE(chan)	(0x10 + (8 * (chan)))
     52 #define	PCIIDE_REG_CTL_BASE(chan)	(0x14 + (8 * (chan)))
     53 
     54 /*
     55  * Bits in the PCI Programming Interface register (some are per channel).
     56  */
     57 #define	PCIIDE_INTERFACE_PCI(chan)	(0x01 << (2 * (chan)))
     58 #define	PCIIDE_INTERFACE_SETTABLE(chan)	(0x02 << (2 * (chan)))
     59 
     60 /*
     61  * Compatibility address/IRQ definitions (some are per channel).
     62  */
     63 #define	PCIIDE_COMPAT_CMD_BASE(chan)	((chan) == 0 ? 0x1f0 : 0x170)
     64 #define	PCIIDE_COMPAT_CMD_SIZE		8
     65 #define	PCIIDE_COMPAT_CTL_BASE(chan)	((chan) == 0 ? 0x3f6 : 0x376)
     66 #define	PCIIDE_COMPAT_CTL_SIZE		1
     67 #define	PCIIDE_COMPAT_IRQ(chan)		((chan) == 0 ? 14 : 15)
     68