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/* $OpenBSD: pciide_nforce_reg.h,v 1.2 2003/12/12 13:00:38 grange Exp $ */
/*
* Copyright (c) 2003 Alexander Yurchenko <grange@openbsd.org>
* 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.
*
* 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.
*/
/* Configuration register */
#define NFORCE_CONF 0x50
#define NFORCE_CHAN_EN(chan) \
(0x00000001 << (1 - (chan)))
/* PIO and multiword DMA timing register */
#define NFORCE_PIODMATIM 0x58
#define NFORCE_PIODMATIM_MASK(chan) \
(0xffff << ((1 - (chan)) * 16))
#define NFORCE_PIODMATIM_SET(chan, drive, x) \
((x) << ((3 - ((chan) * 2 + (drive))) * 8))
/* PIO timing register */
#define NFORCE_PIOTIM 0x5c
/* UDMA timing register */
#define NFORCE_UDMATIM 0x60
#define NFORCE_UDMATIM_MASK(chan) \
(0xffff << ((1 - (chan)) * 16))
#define NFORCE_UDMATIM_SET(chan, drive, x) \
((x) << ((3 - ((chan) * 2 + (drive))) * 8))
#define NFORCE_UDMA_EN(chan, drive) \
(0x40 << ((3 - ((chan) * 2 + (drive))) * 8))
#define NFORCE_UDMA_ENM(chan, drive) \
(0x80 << ((3 - ((chan) * 2 + (drive))) * 8))
/* Timing values */
static u_int8_t nforce_pio[] = { 0xa8, 0x65, 0x42, 0x22, 0x20 };
static u_int8_t nforce_udma[] = { 0x02, 0x01, 0x00, 0x04, 0x05, 0x06, 0x07 };
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