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      1  1.5  martin /* $NetBSD: pciide_ixp_reg.h,v 1.5 2008/04/29 06:53:03 martin Exp $ */
      2  1.1    cube 
      3  1.1    cube /*
      4  1.1    cube  *  Copyright (c) 2004 The NetBSD Foundation.
      5  1.1    cube  *  All rights reserved.
      6  1.1    cube  *
      7  1.1    cube  *  Redistribution and use in source and binary forms, with or without
      8  1.1    cube  *  modification, are permitted provided that the following conditions
      9  1.1    cube  *  are met:
     10  1.1    cube  *  1. Redistributions of source code must retain the above copyright
     11  1.1    cube  *     notice, this list of conditions and the following disclaimer.
     12  1.1    cube  *  2. Redistributions in binary form must reproduce the above copyright
     13  1.1    cube  *     notice, this list of conditions and the following disclaimer in the
     14  1.1    cube  *     documentation and/or other materials provided with the distribution.
     15  1.2   perry  *
     16  1.1    cube  *  THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     17  1.1    cube  *  ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     18  1.1    cube  *  TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     19  1.1    cube  *  PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     20  1.1    cube  *  BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     21  1.1    cube  *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     22  1.1    cube  *  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     23  1.1    cube  *  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     24  1.1    cube  *  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     25  1.1    cube  *  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     26  1.1    cube  *  POSSIBILITY OF SUCH DAMAGE.
     27  1.1    cube  */
     28  1.1    cube 
     29  1.1    cube /* All values gathered from the linux driver. */
     30  1.1    cube 
     31  1.1    cube #define IXP_PIO_TIMING	0x40
     32  1.1    cube #define IXP_MDMA_TIMING	0x44
     33  1.1    cube #define IXP_PIO_CTL	0x48
     34  1.1    cube #define IXP_PIO_MODE	0x4a
     35  1.1    cube #define IXP_UDMA_CTL	0x54
     36  1.1    cube #define IXP_UDMA_MODE	0x56
     37  1.1    cube 
     38  1.1    cube /* First 4 bits of UDMA_CTL enable or disable UDMA for the drive */
     39  1.1    cube #define IXP_UDMA_ENABLE(u, c, d)	do {	\
     40  1.1    cube     	(u) |= (1 << (2 * (c) + (d)));		\
     41  1.1    cube     } while (0)
     42  1.1    cube #define IXP_UDMA_DISABLE(u, c, d)	do {	\
     43  1.1    cube     	(u) &= ~(1 << (2 * (c) + (d)));		\
     44  1.1    cube     } while (0)
     45  1.1    cube 
     46  1.1    cube /*
     47  1.1    cube  * UDMA_MODE has 4 bits per drive, though only 3 are actually used
     48  1.1    cube  * Note that in this macro u is the whole
     49  1.1    cube  * UDMA_CTL+UDMA_MODE register (32bits).
     50  1.1    cube  * PIO_MODE works just the same.
     51  1.1    cube  */
     52  1.1    cube #define IXP_SET_MODE(u, c, d, m)	do {	\
     53  1.1    cube     	int __ixpshift = 16 + 8*(c) + 4*(d);	\
     54  1.1    cube     	(u) &= ~(0x7 << __ixpshift);		\
     55  1.1    cube     	(u) |= (((m) & 0x7) << __ixpshift);	\
     56  1.1    cube     } while (0)
     57  1.1    cube 
     58  1.1    cube /*
     59  1.1    cube  * MDMA_TIMING has one byte per drive.
     60  1.1    cube  * PIO_TIMING works just the same.
     61  1.1    cube  */
     62  1.1    cube #define IXP_SET_TIMING(m, c, d, t)	do {	\
     63  1.1    cube         int __ixpshift = 16*(c) + 8*(d);	\
     64  1.1    cube     	(m) &= ~(0xff << __ixpshift);		\
     65  1.1    cube     	(m) |= ((t) & 0xff) << __ixpshift;	\
     66  1.1    cube     } while (0)
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