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386 lines
14 KiB
C
386 lines
14 KiB
C
/*-
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* Copyright (c) 1996-1999 Distributed Processing Technology Corporation
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* All rights reserved.
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*
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* Redistribution and use in source form, with or without modification, are
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* permitted provided that redistributions of source code must retain the
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* above copyright notice, this list of conditions and the following disclaimer.
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*
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* This software is provided `as is' by Distributed Processing Technology and
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* any express or implied warranties, including, but not limited to, the
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* implied warranties of merchantability and fitness for a particular purpose,
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* are disclaimed. In no event shall Distributed Processing Technology be
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* liable for any direct, indirect, incidental, special, exemplary or
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* consequential damages (including, but not limited to, procurement of
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* substitute goods or services; loss of use, data, or profits; or business
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* interruptions) however caused and on any theory of liability, whether in
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* contract, strict liability, or tort (including negligence or otherwise)
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* arising in any way out of the use of x driver software, even if advised
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* of the possibility of such damage.
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*
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* DPT Alignment Description File
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*
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* $FreeBSD$
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*/
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#if (!defined(__DPTALIGN_H))
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#define __DPTALIGN_H
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/*
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* File - DPTALIGN.H
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*
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* Description: This file contains basic Alignment support definitions.
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*
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* Copyright Distributed Processing Technology, Corp.
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* 140 Candace Dr.
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* Maitland, Fl. 32751 USA
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* Phone: (407) 830-5522 Fax: (407) 260-5366
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* All Rights Reserved
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*
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* Author: Mark Salyzyn
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* Date: Aug 29 1996
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*
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*
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* Fifth Gen product enhancements and additions
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* Author: Ben Ghofrani
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* Date: April 6 1998
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*/
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/*
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* Description: Support macros for active alignment
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* Requires:
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* osdLocal2(x)
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* osdLocal4(x)
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* osdSwap2(x)
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* osdSwap4(x)
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*/
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#if (!defined(__FAR__))
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# if (defined(__BORLANDC__))
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# define __FAR__ far
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# else
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# define __FAR__
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# endif
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#endif
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#if (defined(sun)) && (!defined(_ILP32))
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# define DPT_4_BYTES int /* 64 bit OS */
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#else
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# define DPT_4_BYTES long
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#endif
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#if (!defined(osdSwap2))
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/*
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* Name: osdSwap2(value)
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* Description: Mandatory byte swapping routine for words. We allow an
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* override of x routine if the OS supplies it's own byte swapping
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* routine, inline or macro.
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*/
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# define osdSwap2(x) (((unsigned short)(x) >> 8) \
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| ((unsigned short)((unsigned char)(x)) << 8))
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#endif
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#if (!defined(osdSwap4))
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/*
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* Name: osdSwap4(value)
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* Description: Mandatory byte swapping routine for DPT_4_BYTES words. We allow
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* an override of x routine if the OS supplies it's own byte swapping
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* routine, inline or macro. The following is universal, but may be
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* more optimally performed by an OS or driver processor dependant
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* routine.
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*/
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# define osdSwap4(x) ( \
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(((unsigned DPT_4_BYTES)(x)) >> 24L) \
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| ((unsigned DPT_4_BYTES)(((unsigned short)((unsigned DPT_4_BYTES)(x) >> 8L)) & 0xFF00)) \
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| (((unsigned DPT_4_BYTES)(((unsigned short)(x)) & 0xFF00)) << 8L) \
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| (((unsigned DPT_4_BYTES)((unsigned char)(x))) << 24L))
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#endif
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#if (!defined(osdLocal2))
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/*
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* Name: osdLocal2(pointer)
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* Description: Local byte order to Big Endian Format for short words.
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* Could be replaced with an OS defined localization routine, macro or
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* inline.
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*/
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# if (defined(_DPT_BIG_ENDIAN))
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# define osdLocal2(x) (*((unsigned short __FAR__ *)(x)))
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# if (defined(osdSwap2))
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# define osdSLocal2(x) osdSwap2(osdLocal2(x))
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# else
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# define osdSLocal2(x) ((unsigned short)(((unsigned char __FAR__ *)(x))[1])\
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+ ((unsigned int)((unsigned short)(((unsigned char __FAR__ *)(x))[0])) << 8))
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# endif
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# else
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# define osdSLocal2(x) (*((unsigned short __FAR__ *)(x)))
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# if (defined(osdSwap2))
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# define osdLocal2(x) osdSwap2(osdSLocal2(x))
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# else
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# define osdLocal2(x) ((unsigned short)(((unsigned char __FAR__*)(x))[1]) \
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+ (((unsigned short)(((unsigned char __FAR__*)(x))[0])) << 8))
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# endif
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# endif
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#endif
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#if (!defined(osdLocal3))
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/*
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* Name: osdLocal3(pointer)
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* Description: Local byte order to Big Endian Format for DPT_4_BYTES words.
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* Could be replaced with an OS defined localization routine, macro or
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* inline.
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*/
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# if (defined(_DPT_BIG_ENDIAN))
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# define osdLocal3(x) (*((unsigned DPT_4_BYTES __FAR__ *)(x)))
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# else
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# if (defined(osdSwap3))
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# define osdLocal3(x) osdSwap3(*((unsigned DPT_4_BYTES __FAR__ *)(x)))
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# else
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# define osdLocal3(x) ((unsigned DPT_4_BYTES)osdLocal2(((unsigned char __FAR__ *) \
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(x)+1)) + (((unsigned DPT_4_BYTES)(((unsigned char __FAR__ *)(x))[0])) << 16))
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# endif
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# endif
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#endif
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#if (!defined(osdLocal4))
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/*
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* Name: osdLocal4(pointer)
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* Description: Local byte order to Big Endian Format for DPT_4_BYTES words.
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* Could be replaced with an OS defined localization routine, macro or
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* inline.
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*/
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# if (defined(_DPT_BIG_ENDIAN))
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# define osdLocal4(x) (*(unsigned DPT_4_BYTES __FAR__ *)(x))
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# if (defined(osdSwap4))
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# define osdSLocal4(x) osdSwap4(osdLocal4(x))
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# else
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# define osdSLocal4(x) ((unsigned DPT_4_BYTES)osdSLocal2(((unsigned char __FAR__ *)\
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(x)+2)) + (((unsigned DPT_4_BYTES)((unsigned char __FAR__ *)(x))[1]) << 16) \
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+ (((unsigned DPT_4_BYTES)((unsigned char __FAR__ *)(x))[0]) << 24))
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# endif
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# else
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# define osdSLocal4(x) (*(unsigned DPT_4_BYTES __FAR__ *)(x))
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# if (defined(osdSwap4))
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# define osdLocal4(x) osdSwap4(osdSLocal4(x))
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# else
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# define osdLocal4(x) ((unsigned DPT_4_BYTES)osdLocal2(((unsigned char __FAR__ *) \
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(x)+2)) + (((unsigned DPT_4_BYTES)((unsigned char __FAR__ *)(x))[1]) << 16) \
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+ (((unsigned DPT_4_BYTES)((unsigned char __FAR__ *)(x))[0]) << 24))
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# endif
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# endif
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#endif
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#define I2O_TID_MASK ((unsigned DPT_4_BYTES) ((1L<<I2O_TID_SZ)-1))
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/*
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* Now the access macros used throughout in order to methodize the
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* active alignment.
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*/
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#define getUP1(x,y) (((unsigned char __FAR__ *)(x))+(unsigned DPT_4_BYTES)(y))
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#define getU1(x,y) (*getUP1(x,y))
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#define setU1(x,y,z) (*((unsigned char *)getUP1(x,y)) = (unsigned char)(z))
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#define orU1(x,y,z) (*getUP1(x,y) |= (unsigned char)(z))
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#define andU1(x,y,z) (*getUP1(x,y) &= (unsigned char)(z))
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#define getUP2(x,y) ((unsigned short __FAR__ *)(((unsigned char __FAR__ *) \
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(x))+(unsigned DPT_4_BYTES)(y)))
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#define getBU2(x,y) ((unsigned short)osdLocal2((unsigned short __FAR__ *) \
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getUP1(x,y)))
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#define getLU2(x,y) ((unsigned short)osdSLocal2((unsigned short __FAR__ *) \
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getUP1(x,y)))
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/* to be deleted */
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#define getU2(x,y) ((unsigned short)osdLocal2((unsigned short __FAR__ *) \
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getUP1(x,y)))
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#if (!defined(setU2))
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# define setU2(x,y,z) { unsigned short hold = (unsigned short)(z); \
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*((unsigned short __FAR__ *)getUP1(x,y)) \
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= osdLocal2(&hold); \
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}
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#endif
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#if (!defined(setBU2))
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# define setBU2(x,y,z) { unsigned short hold = (unsigned short)(z); \
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*((unsigned short __FAR__ *)getUP1(x,y)) \
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= osdLocal2(&hold); \
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}
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#endif
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#if (!defined(setLU2))
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# define setLU2(x,y,z) { unsigned short hold = (unsigned short)(z); \
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*((unsigned short __FAR__ *)getUP1(x,y)) \
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= osdSLocal2(&hold); \
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}
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#endif
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/* to be deleted */
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#define getU3(x,y) ((unsigned DPT_4_BYTES)osdLocal3((unsigned DPT_4_BYTES __FAR__ *) \
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getUP1(x,y)))
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#if (!defined(setU3))
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# if (defined(_DPT_BIG_ENDIAN))
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# define setU3(x,y,z) \
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{ unsigned DPT_4_BYTES hold = z; \
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*(getUP1(x,y)) = (unsigned char)(hold >> 16L); \
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*((unsigned short __FAR__ *)(getUP1(x,y) + 1)) \
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= (unsigned short)hold; \
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}
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# else
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# define setU3(x,y,z) \
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{ unsigned DPT_4_BYTES hold = z; \
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*(getUP1(x,y) + 0) = (unsigned char)(hold >> 16) ; \
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*(getUP1(x,y) + 1) = (unsigned char)(hold >> 8L); \
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*(getUP1(x,y) + 2) = (unsigned char)(hold); \
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}
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# endif
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#endif
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/* up to here to be deleted */
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#define getBU3(x,y) ((unsigned DPT_4_BYTES)osdLocal3((unsigned DPT_4_BYTES __FAR__ *) \
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getUP1(x,y)))
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#if (!defined(setBU3))
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# if (defined(_DPT_BIG_ENDIAN))
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# define setBU3(x,y,z) \
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{ unsigned DPT_4_BYTES hold = z; \
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*(getUP1(x,y)) = (unsigned char)(hold >> 16L); \
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*((unsigned short __FAR__ *)(getUP1(x,y) + 1)) \
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= (unsigned short)hold; \
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}
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# else
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# define setBU3(x,y,z) \
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{ unsigned DPT_4_BYTES hold = z; \
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*(getUP1(x,y) + 0) = (unsigned char)(hold >> 16) ; \
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*(getUP1(x,y) + 1) = (unsigned char)(hold >> 8L); \
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*(getUP1(x,y) + 2) = (unsigned char)(hold); \
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}
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# endif
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#endif
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#define getUP4(x,y) ((unsigned DPT_4_BYTES __FAR__ *)(((unsigned char __FAR__ *) \
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(x))+(unsigned DPT_4_BYTES)(y)))
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#define getBU4(x,y) ((unsigned DPT_4_BYTES)osdLocal4((unsigned DPT_4_BYTES __FAR__ *) \
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getUP1(x,y)))
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#define getLU4(x,y) ((unsigned DPT_4_BYTES)osdSLocal4((unsigned DPT_4_BYTES __FAR__ *) \
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getUP1(x,y)))
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/* to be deleted */
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#define getU4(x,y) ((unsigned DPT_4_BYTES)osdSLocal4((unsigned DPT_4_BYTES __FAR__ *) \
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getUP1(x,y)))
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#if (!defined(setU4))
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# define setU4(x,y,z) { unsigned DPT_4_BYTES hold = z; \
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*((unsigned DPT_4_BYTES __FAR__ *)getUP1(x,y)) \
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= osdLocal4(&hold); \
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}
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#endif
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/* up to here */
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#if (!defined(setBU4))
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# define setBU4(x,y,z) { unsigned DPT_4_BYTES hold = z; \
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*((unsigned DPT_4_BYTES __FAR__ *)getUP1(x,y)) \
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= osdLocal4(&hold); \
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}
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#endif
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#if (!defined(setLU4))
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# define setLU4(x,y,z) { unsigned DPT_4_BYTES hold = z; \
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*((unsigned DPT_4_BYTES __FAR__ *)getUP1(x,y)) \
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= osdSLocal4(&hold); \
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}
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#endif
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#define osdSwap16bit(x) ( (((unsigned short )x & 0xf000) >> 12) | \
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(((unsigned short )x & 0x0f00) >> 4) | \
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(((unsigned short )x & 0x00f0) << 4) | \
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(((unsigned short )x & 0x000f) << 12 ) )
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/*
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* note that in big endian a 12 bit number (0x123) is stored as 1203
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*/
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#define osdSwap12bit(x) (( (((unsigned short )x & 0x0f00) >> 8) | \
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((unsigned short )x & 0x00f0) | \
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(((unsigned short )x & 0x000f) << 8 ) ) )
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#define osdSwap8bit(x) ( (((unsigned char )x & 0x0f) << 4) | \
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(((unsigned char )x &0xf0) >> 4 ) )
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#define getL24bit1(w,x,y) ((unsigned DPT_4_BYTES)((unsigned char __FAR__ *)(&w->x))[0+(y)] \
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+ ((((unsigned DPT_4_BYTES)((unsigned char __FAR__ *)(&w->x))[1+(y)]) << 8) & 0xFF00) \
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+ ((((unsigned DPT_4_BYTES)((unsigned char __FAR__ *)(&w->x))[2+(y)]) << 16) & 0xFF0000))
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#define setL24bit1(w,x,y,z) { ((unsigned char __FAR__ *)(&w->x))[0+(y)] = (z); \
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((unsigned char __FAR__ *)(&w->x))[1+(y)] = ((z) >> 8) & 0xFF; \
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((unsigned char __FAR__ *)(&w->x))[2+(y)] = ((z) >> 16) & 0xFF; \
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}
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#define getL16bit(w,x,y) ((unsigned short)((unsigned char __FAR__ *)(&w->x))[0+(y)] \
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+ ((((unsigned short)((unsigned char __FAR__ *)(&w->x))[1+(y)]) << 8) & 0xFF00))
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#define setL16bit(w,x,y,z) { ((unsigned char __FAR__ *)(&w->x))[0+(y)] = (z); \
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((unsigned char __FAR__ *)(&w->x))[1+(y)] = ((z) >> 8) & 0xFF; \
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}
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#define getL16bit2(w,x,y) ((unsigned short)((unsigned char __FAR__ *)(&w->x))[2+(y)] \
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+ ((((unsigned short)((unsigned char __FAR__ *)(&w->x))[3+(y)]) << 8) & 0xFF00))
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#define setL16bit2(w,x,y,z) { ((unsigned char __FAR__ *)(&w->x))[2+(y)] = (z); \
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((unsigned char __FAR__ *)(&w->x))[3+(y)] = ((z) >> 8) & 0xFF; \
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}
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/* y is the number of bytes from beg of DPT_4_BYTES to get upper 4 bit of the addressed byte */
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#define getL4bit(w,x,y) \
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((unsigned char)(((unsigned char __FAR__ *)(&w->x))[0+(y)] >> 4) & 0x0f)
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#define setL4bit(w,x,y,z) { \
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((unsigned char __FAR__ *)(&w->x))[0+(y)] &= 0xF0; \
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((unsigned char __FAR__ *)(&w->x))[0+(y)] |= ((z) << 4) & 0xF0; \
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}
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/* y is number of bytes from beg of DPT_4_BYTES */
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#define getL1bit(w,x,y) \
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((unsigned char)(((unsigned char __FAR__ *)(&w->x))[0+(y)] ) & 0x01)
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#define setL1bit(w,x,y,z) { \
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((unsigned char __FAR__ *)(&w->x))[0+(y)] &= 0xFE; \
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((unsigned char __FAR__ *)(&w->x))[0+(y)] |= (z) & 0x01; \
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}
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#define getL1bit1(w,x,y) \
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((unsigned char)(((unsigned char __FAR__ *)(&w->x))[0+(y)] >> 1) & 0x01)
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#define setL1bit1(w,x,y,z) { \
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((unsigned char __FAR__ *)(&w->x))[0+(y)] &= 0xFD; \
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((unsigned char __FAR__ *)(&w->x))[0+(y)] |= (z << 1) & 0x02; \
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}
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/* 12 bit at the first 12 bits of a DPT_4_BYTES word */
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#define getL12bit(w,x,y) ((unsigned short)((unsigned char __FAR__ *)(&w->x))[0+(y)] \
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+ ((((unsigned short)((unsigned char __FAR__ *)(&w->x))[1+(y)]) << 8) & 0xF00))
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#define setL12bit(w,x,y,z) { ((unsigned char __FAR__ *)(&w->x))[0+(y)] = (z); \
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((unsigned char __FAR__ *)(&w->x))[1+(y)] &= 0xF0; \
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((unsigned char __FAR__ *)(&w->x))[1+(y)] |= ((z) >> 8) & 0xF; \
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}
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/* 12 bit after another 12 bit in DPT_4_BYTES word */
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#define getL12bit1(w,x,y) (((unsigned short)((unsigned char __FAR__ *)(&w->x))[1+(y)]) >> 4 \
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+ ((((unsigned short)((unsigned char __FAR__ *)(&w->x))[2+(y)]) << 4) ))
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#define setL12bit1(w,x,y,z) { ((unsigned char __FAR__ *)(&w->x))[1+(y)] &= 0x0F; \
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((unsigned char __FAR__ *)(&w->x))[1+(y)] |= ((z) & 0xF) << 4; \
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((unsigned char __FAR__ *)(&w->x))[2+(y)] &= 0x00;\
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((unsigned char __FAR__ *)(&w->x))[2+(y)] |= ((z) >> 8) & 0xff;\
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}
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/* 12 at the 3rd byte in a DPT_4_BYTES word */
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#define getL12bit2(w,x,y) ((unsigned short)((unsigned char __FAR__ *)(&w->x))[2+(y)] \
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+ ((((unsigned short)((unsigned char __FAR__ *)(&w->x))[3+(y)]) << 8) & 0xF00))
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#define setL12bit2(w,x,y,z) { ((unsigned char __FAR__ *)(&w->x))[2+(y)] = (z); \
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((unsigned char __FAR__ *)(&w->x))[3+(y)] &= 0xF0; \
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((unsigned char __FAR__ *)(&w->x))[3+(y)] |= ((z) >> 8) & 0xF; \
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}
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#define getL8bit(w,x,y) (\
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(*(((unsigned char __FAR__ *)(&((w)->x)))\
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+ y)) )
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#define setL8bit(w,x,y,z) {\
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(*(((unsigned char __FAR__ *)(&((w)->x)))\
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+ y) = (z));\
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}
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#endif /* __DPTALIGN_H */
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