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pciide_ixp_reg.h revision 1.3.44.1
      1  1.3.44.1  joerg /* $NetBSD: pciide_ixp_reg.h,v 1.3.44.1 2007/10/02 18:28:35 joerg 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  1.3.44.1  joerg  *  3. Neither the name of The NetBSD Foundation nor the names of its
     16       1.1   cube  *     contributors may be used to endorse or promote products derived
     17       1.1   cube  *     from this software without specific prior written permission.
     18       1.2  perry  *
     19       1.1   cube  *  THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20       1.1   cube  *  ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21       1.1   cube  *  TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22       1.1   cube  *  PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23       1.1   cube  *  BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24       1.1   cube  *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25       1.1   cube  *  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26       1.1   cube  *  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27       1.1   cube  *  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28       1.1   cube  *  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29       1.1   cube  *  POSSIBILITY OF SUCH DAMAGE.
     30       1.1   cube  */
     31       1.1   cube 
     32       1.1   cube /* All values gathered from the linux driver. */
     33       1.1   cube 
     34       1.1   cube #define IXP_PIO_TIMING	0x40
     35       1.1   cube #define IXP_MDMA_TIMING	0x44
     36       1.1   cube #define IXP_PIO_CTL	0x48
     37       1.1   cube #define IXP_PIO_MODE	0x4a
     38       1.1   cube #define IXP_UDMA_CTL	0x54
     39       1.1   cube #define IXP_UDMA_MODE	0x56
     40       1.1   cube 
     41       1.1   cube /* First 4 bits of UDMA_CTL enable or disable UDMA for the drive */
     42       1.1   cube #define IXP_UDMA_ENABLE(u, c, d)	do {	\
     43       1.1   cube     	(u) |= (1 << (2 * (c) + (d)));		\
     44       1.1   cube     } while (0)
     45       1.1   cube #define IXP_UDMA_DISABLE(u, c, d)	do {	\
     46       1.1   cube     	(u) &= ~(1 << (2 * (c) + (d)));		\
     47       1.1   cube     } while (0)
     48       1.1   cube 
     49       1.1   cube /*
     50       1.1   cube  * UDMA_MODE has 4 bits per drive, though only 3 are actually used
     51       1.1   cube  * Note that in this macro u is the whole
     52       1.1   cube  * UDMA_CTL+UDMA_MODE register (32bits).
     53       1.1   cube  * PIO_MODE works just the same.
     54       1.1   cube  */
     55       1.1   cube #define IXP_SET_MODE(u, c, d, m)	do {	\
     56       1.1   cube     	int __ixpshift = 16 + 8*(c) + 4*(d);	\
     57       1.1   cube     	(u) &= ~(0x7 << __ixpshift);		\
     58       1.1   cube     	(u) |= (((m) & 0x7) << __ixpshift);	\
     59       1.1   cube     } while (0)
     60       1.1   cube 
     61       1.1   cube /*
     62       1.1   cube  * MDMA_TIMING has one byte per drive.
     63       1.1   cube  * PIO_TIMING works just the same.
     64       1.1   cube  */
     65       1.1   cube #define IXP_SET_TIMING(m, c, d, t)	do {	\
     66       1.1   cube         int __ixpshift = 16*(c) + 8*(d);	\
     67       1.1   cube     	(m) &= ~(0xff << __ixpshift);		\
     68       1.1   cube     	(m) |= ((t) & 0xff) << __ixpshift;	\
     69       1.1   cube     } while (0)
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