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/*
* Copyright 1998,1999 by Alan Hourihane, Wigan, England.
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name of Alan Hourihane not be used in
* advertising or publicity pertaining to distribution of the software without
* specific, written prior permission. Alan Hourihane makes no representations
* about the suitability of this software for any purpose. It is provided
* "as is" without express or implied warranty.
*
* ALAN HOURIHANE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL ALAN HOURIHANE BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*
* Authors: Alan Hourihane, alanh@fairlite.demon.co.uk
* Mike Chapman <mike@paranoia.com>,
* Juanjo Santamarta <santamarta@ctv.es>,
* Mitani Hiroshi <hmitani@drl.mei.co.jp>
* David Thomas <davtom@dream.org.uk>.
* Xavier Ducoin <x.ducoin@lectra.com>
*/
/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/sis/sis300_accel.h,v 1.2 1999/05/15 06:24:56 dawes Exp $ */
/* Definitions for the SIS engine communication. */
#define PATREGSIZE 384
#define BR(x) (0x8200 | (x) << 2)
#define PBR(x) (0x8300 | (x) << 2)
/* Definitions for the SiS300 engine command */
#define BITBLT 0x00000000
#define COLOREXP 0x00000001
#define ENCOLOREXP 0x00000002
#define MULTIPLE_SCANLINE 0x00000003
#define LINE 0x00000004
#define TRAPAZOID_FILL 0x00000005
#define TRANSPARENT_BITBLT 0x00000006
#define SRCVIDEO 0x00000000
#define SRCSYSTEM 0x00000010
#define SRCAGP 0x00000020
#define PATFG 0x00000000
#define PATPATREG 0x00000040
#define PATMONO 0x00000080
#define X_INC 0x00010000
#define X_DEC 0x00000000
#define Y_INC 0x00020000
#define Y_DEC 0x00000000
#define NOCLIP 0x00000000
#define NOMERGECLIP 0x04000000
#define CLIPENABLE 0x00040000
#define CLIPWITHOUTMERGE 0x04040000
#define OPAQUE 0x00000000
#define TRANSPARENT 0x00100000
#define DSTAGP 0x02000000
#define DSTVIDEO 0x02000000
/* Line */
#define LINE_STYLE 0x00800000
#define NO_RESET_COUNTER 0x00400000
#define NO_LAST_PIXEL 0x00200000
/* Macros to do useful things with the SIS BitBLT engine */
/*
bit 31 2D engine: 1 is idle,
bit 30 3D engine: 1 is idle,
bit 29 Command queue: 1 is empty
*/
#define SiSIdle \
while( (MMIO_IN16(pSiS->IOBase, BR(16)+2) & 0xE000) != 0xE000){};
#define SiSSetupSRCBase(base) \
MMIO_OUT32(pSiS->IOBase, BR(0), base);
#define SiSSetupSRCPitch(pitch) \
MMIO_OUT16(pSiS->IOBase, BR(1), pitch);
#define SiSSetupSRCXY(x,y) \
MMIO_OUT32(pSiS->IOBase, BR(2), (x)<<16 | (y) );
#define SiSSetupDSTBase(base) \
MMIO_OUT32(pSiS->IOBase, BR(4), base);
#define SiSSetupDSTXY(x,y) \
MMIO_OUT32(pSiS->IOBase, BR(3), (x)<<16 | (y) );
#define SiSSetupDSTRect(x,y) \
MMIO_OUT32(pSiS->IOBase, BR(5), (y)<<16 | (x) );
#define SiSSetupDSTColorDepth(bpp) \
MMIO_OUT16(pSiS->IOBase, BR(1)+2, bpp);
#define SiSSetupRect(w,h) \
MMIO_OUT32(pSiS->IOBase, BR(6), (h)<<16 | (w) );
#define SiSSetupPATFG(color) \
MMIO_OUT32(pSiS->IOBase, BR(7), color);
#define SiSSetupPATBG(color) \
MMIO_OUT32(pSiS->IOBase, BR(8), color);
#define SiSSetupSRCFG(color) \
MMIO_OUT32(pSiS->IOBase, BR(9), color);
#define SiSSetupSRCBG(color) \
MMIO_OUT32(pSiS->IOBase, BR(10), color);
#define SiSSetupMONOPAT(p0,p1) \
MMIO_OUT32(pSiS->IOBase, BR(11), p0); \
MMIO_OUT32(pSiS->IOBase, BR(12), p1);
#define SiSSetupClipLT(left,top) \
MMIO_OUT32(pSiS->IOBase, BR(13), ((left) & 0xFFFF) | (top)<<16 );
#define SiSSetupClipRB(right,bottom) \
MMIO_OUT32(pSiS->IOBase, BR(14), ((right) & 0xFFFF) | (bottom)<<16 );
#define SiSSetupROP(rop) \
pSiS->CommandReg = (rop) << 8;
#define SiSSetupCMDFlag(flags) \
pSiS->CommandReg |= (flags);
#define SiSDoCMD \
MMIO_OUT32(pSiS->IOBase, BR(15), pSiS->CommandReg); \
MMIO_OUT32(pSiS->IOBase, BR(16), 0);
#define SiSSetupX0Y0(x,y) \
MMIO_OUT32(pSiS->IOBase, BR(2), (y)<<16 | (x) );
#define SiSSetupX1Y1(x,y) \
MMIO_OUT32(pSiS->IOBase, BR(3), (y)<<16 | (x) );
#define SiSSetupLineCount(c) \
MMIO_OUT16(pSiS->IOBase, BR(6), c);
#define SiSSetupStylePeriod(p) \
MMIO_OUT16(pSiS->IOBase, BR(6)+2, p);
#define SiSSetupStyleLow(ls) \
MMIO_OUT32(pSiS->IOBase, BR(11), ls);
#define SiSSetupStyleHigh(ls) \
MMIO_OUT32(pSiS->IOBase, BR(12), ls);
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