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/*
* Global data and definitions
*
* Copyright (C) 2001-2005 by Thomas Winischhofer, Vienna, Austria
*
* 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.
* 3) The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* 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.
*
* Author: Thomas Winischhofer <thomas@winischhofer.net>
*
*/
/* For calculating refresh rate index (CR33) */
static const struct _sis_vrate {
CARD16 idx;
CARD16 xres;
CARD16 yres;
CARD16 refresh;
} sisx_vrate[] = {
{1, 320, 200, 60}, {1, 320, 200, 70},
{1, 320, 240, 60},
{1, 400, 300, 60},
{1, 512, 384, 60},
{1, 640, 400, 60}, {1, 640, 400, 72},
{1, 640, 480, 60}, {2, 640, 480, 72}, {3, 640, 480, 75},
{4, 640, 480, 85}, {5, 640, 480, 100}, {6, 640, 480, 120},
{7, 640, 480, 160}, {8, 640, 480, 200},
{1, 720, 480, 60},
{1, 720, 576, 60},
{1, 768, 576, 60},
{1, 800, 480, 60}, {2, 800, 480, 75}, {3, 800, 480, 85},
{1, 800, 600, 56}, {2, 800, 600, 60}, {3, 800, 600, 72},
{4, 800, 600, 75}, {5, 800, 600, 85}, {6, 800, 600, 105},
{7, 800, 600, 120}, {8, 800, 600, 160},
{1, 848, 480, 39}, {2, 848, 480, 60},
{1, 856, 480, 39}, {2, 856, 480, 60},
{1, 960, 540, 60},
{1, 960, 600, 60},
{1, 1024, 576, 60}, {2, 1024, 576, 75}, {3, 1024, 576, 85},
{1, 1024, 768, 43}, {2, 1024, 768, 60}, {3, 1024, 768, 70},
{4, 1024, 768, 75}, {5, 1024, 768, 85}, {6, 1024, 768, 100},
{7, 1024, 768, 120},
{1, 1152, 864, 60}, {2, 1152, 864, 75}, {3, 1152, 864, 84},
{1, 1280, 720, 60}, {2, 1280, 720, 75}, {3, 1280, 720, 85},
{1, 1280, 768, 60},
{1, 1280, 1024, 43}, {2, 1280, 1024, 60}, {3, 1280, 1024, 75},
{4, 1280, 1024, 85},
{0, 0, 0, 0}
};
/* Mandatory functions */
static void SISUSBIdentify(int flags);
static Bool SISUSBProbe(DriverPtr drv, int flags);
static Bool SISUSBPreInit(ScrnInfoPtr pScrn, int flags);
static Bool SISUSBScreenInit(ScreenPtr pScreen, int argc, char **argv);
static Bool SISUSBEnterVT(ScrnInfoPtr arg);
static void SISUSBLeaveVT(ScrnInfoPtr arg);
static Bool SISUSBCloseScreen(ScreenPtr pScreen);
static Bool SISUSBSaveScreen(ScreenPtr pScreen, int mode);
static Bool SISUSBSwitchMode(ScrnInfoPtr pScrn, DisplayModePtr mode);
static void SISUSBAdjustFrame(ScrnInfoPtr pScrn, int x, int y);
static Bool SISUSBDriverFunc(ScrnInfoPtr pScrn, xorgDriverFuncOp op, pointer p);
/* Optional functions */
static void SISUSBFreeScreen(ScrnInfoPtr pScrn);
static ModeStatus SISUSBValidMode(ScrnInfoPtr pScrn, DisplayModePtr mode,
Bool verbose, int flags);
/* Internally used functions */
static Bool SISUSBMapMem(ScrnInfoPtr pScrn);
static Bool SISUSBUnmapMem(ScrnInfoPtr pScrn);
static void SISUSBSave(ScrnInfoPtr pScrn);
static void SISUSBRestore(ScrnInfoPtr pScrn);
static Bool SISUSBModeInit(ScrnInfoPtr pScrn, DisplayModePtr mode);
static void SISUSBModifyModeInfo(DisplayModePtr mode);
static void SiSUSBPreSetMode(ScrnInfoPtr pScrn, DisplayModePtr mode, int viewmode);
static void SiSUSBPostSetMode(ScrnInfoPtr pScrn, SISUSBRegPtr sisReg);
static void SISUSBBridgeRestore(ScrnInfoPtr pScrn);
static void SiSUSBEnableTurboQueue(ScrnInfoPtr pScrn);
static void SiSUSBRestoreQueueMode(SISUSBPtr pSiSUSB, SISUSBRegPtr sisReg);
UChar SISUSBSearchCRT1Rate(ScrnInfoPtr pScrn, DisplayModePtr mode);
static void SISUSBWaitVBRetrace(ScrnInfoPtr pScrn);
void SISUSBWaitRetraceCRT1(ScrnInfoPtr pScrn);
static UShort SiSUSB_CheckModeCRT1(ScrnInfoPtr pScrn, DisplayModePtr mode,
unsigned int VBFlags, Bool hcm);
Bool SiSUSBBridgeIsInSlaveMode(ScrnInfoPtr pScrn);
UShort SiSUSB_GetModeNumber(ScrnInfoPtr pScrn, DisplayModePtr mode, unsigned int VBFlags);
UChar SiSUSB_GetSetBIOSScratch(ScrnInfoPtr pScrn, UShort offset, UChar value);
#ifdef DEBUG
static void SiSUSBDumpModeInfo(ScrnInfoPtr pScrn, DisplayModePtr mode);
#endif
void SISUSBSaveDetectedDevices(ScrnInfoPtr pScrn);
/* Our very own vgaHW functions (sisusb_vga.c) */
extern void SiSUSBVGASave(ScrnInfoPtr pScrn, SISUSBRegPtr save, int flags);
extern void SiSUSBVGARestore(ScrnInfoPtr pScrn, SISUSBRegPtr restore, int flags);
extern void SiSUSBVGASaveFonts(ScrnInfoPtr pScrn);
extern void SiSUSBVGARestoreFonts(ScrnInfoPtr pScrn);
extern void SISUSBVGALock(SISUSBPtr pSiSUSB);
extern void SiSUSBVGAUnlock(SISUSBPtr pSiSUSB);
extern void SiSUSBVGAProtect(ScrnInfoPtr pScrn, Bool on);
extern Bool SiSUSBVGAMapMem(ScrnInfoPtr pScrn);
extern void SiSUSBVGAUnmapMem(ScrnInfoPtr pScrn);
extern Bool SiSUSBVGASaveScreen(ScreenPtr pScreen, int mode);
/* shadow */
extern void SISUSBRefreshArea(ScrnInfoPtr pScrn, int num, BoxPtr pbox);
extern void SISUSBDoRefreshArea(ScrnInfoPtr pScrn);
/* vb */
extern void SISUSBCRT1PreInit(ScrnInfoPtr pScrn);
/* utility */
extern void SiSUSBCtrlExtInit(ScrnInfoPtr pScrn);
extern void SiSUSBCtrlExtUnregister(SISUSBPtr pSiSUSB, int index);
/* sisusb_init.c ----- (use its data types!) */
extern USHORT SiSUSB_GetModeID(int VGAEngine, unsigned int VBFlags, int HDisplay, int VDisplay,
int Depth, BOOLEAN FSTN, int LCDwith, int LCDheight);
extern BOOLEAN SiSUSBBIOSSetMode(SiS_Private *SiS_Pr, ScrnInfoPtr pScrn, DisplayModePtr mode,
BOOLEAN IsCustom);
extern BOOLEAN SiSUSBSetMode(SiS_Private *SiS_Pr, ScrnInfoPtr pScrn, USHORT ModeNo,
BOOLEAN dosetpitch);
extern DisplayModePtr SiSUSBBuildBuiltInModeList(ScrnInfoPtr pScrn, BOOLEAN includelcdmodes,
BOOLEAN isfordvi, BOOLEAN fakecrt2modes);
/* End of sisusb_init.c ----- */
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