This is really a vga-specific hack anyway. The only modern driver that uses it is trident, but it's already loaded vgahw by the time it would call xf86GetClocks.
Signed-off-by: Adam Jackson <[email protected]> --- hw/xfree86/common/xf86.h | 6 --- hw/xfree86/common/xf86Helper.c | 90 --------------------------------------- hw/xfree86/vgahw/vgaHW.c | 91 ++++++++++++++++++++++++++++++++++++++++ hw/xfree86/vgahw/vgaHW.h | 6 +++ 4 files changed, 97 insertions(+), 96 deletions(-) diff --git a/hw/xfree86/common/xf86.h b/hw/xfree86/common/xf86.h index 886c25b..588872c 100644 --- a/hw/xfree86/common/xf86.h +++ b/hw/xfree86/common/xf86.h @@ -243,12 +243,6 @@ extern _X_EXPORT void xf86ShowClocks(ScrnInfoPtr scrp, MessageType from); extern _X_EXPORT void xf86PrintChipsets(const char *drvname, const char *drvmsg, SymTabPtr chips); extern _X_EXPORT int xf86MatchDevice(const char *drivername, GDevPtr **driversectlist); -extern _X_EXPORT void xf86GetClocks(ScrnInfoPtr pScrn, int num, - Bool (*ClockFunc)(ScrnInfoPtr, int), - void (*ProtectRegs)(ScrnInfoPtr, Bool), - void (*BlankScreen)(ScrnInfoPtr, Bool), - IOADDRESS vertsyncreg, int maskval, - int knownclkindex, int knownclkvalue); extern _X_EXPORT const char *xf86GetVisualName(int visual); extern _X_EXPORT int xf86GetVerbosity(void); extern _X_EXPORT Pix24Flags xf86GetPix24(void); diff --git a/hw/xfree86/common/xf86Helper.c b/hw/xfree86/common/xf86Helper.c index 90e0c67..f53f8ce 100644 --- a/hw/xfree86/common/xf86Helper.c +++ b/hw/xfree86/common/xf86Helper.c @@ -1507,96 +1507,6 @@ xf86MatchDevice(const char *drivername, GDevPtr **sectlist) return i; } -/* - * xf86GetClocks -- get the dot-clocks via a BIG BAD hack ... - */ -void -xf86GetClocks(ScrnInfoPtr pScrn, int num, Bool (*ClockFunc)(ScrnInfoPtr, int), - void (*ProtectRegs)(ScrnInfoPtr, Bool), - void (*BlankScreen)(ScrnInfoPtr, Bool), IOADDRESS vertsyncreg, - int maskval, int knownclkindex, int knownclkvalue) -{ - register int status = vertsyncreg; - unsigned long i, cnt, rcnt, sync; - - /* First save registers that get written on */ - (*ClockFunc)(pScrn, CLK_REG_SAVE); - - if (num > MAXCLOCKS) - num = MAXCLOCKS; - - for (i = 0; i < num; i++) - { - if (ProtectRegs) - (*ProtectRegs)(pScrn, TRUE); - if (!(*ClockFunc)(pScrn, i)) - { - pScrn->clock[i] = -1; - continue; - } - if (ProtectRegs) - (*ProtectRegs)(pScrn, FALSE); - if (BlankScreen) - (*BlankScreen)(pScrn, FALSE); - - usleep(50000); /* let VCO stabilise */ - - cnt = 0; - sync = 200000; - - while ((inb(status) & maskval) == 0x00) - if (sync-- == 0) goto finish; - /* Something appears to be happening, so reset sync count */ - sync = 200000; - while ((inb(status) & maskval) == maskval) - if (sync-- == 0) goto finish; - /* Something appears to be happening, so reset sync count */ - sync = 200000; - while ((inb(status) & maskval) == 0x00) - if (sync-- == 0) goto finish; - - for (rcnt = 0; rcnt < 5; rcnt++) - { - while (!(inb(status) & maskval)) - cnt++; - while ((inb(status) & maskval)) - cnt++; - } - -finish: - pScrn->clock[i] = cnt ? cnt : -1; - if (BlankScreen) - (*BlankScreen)(pScrn, TRUE); - } - - for (i = 0; i < num; i++) - { - if (i != knownclkindex) - { - if (pScrn->clock[i] == -1) - { - pScrn->clock[i] = 0; - } - else - { - pScrn->clock[i] = (int)(0.5 + - (((float)knownclkvalue) * pScrn->clock[knownclkindex]) / - (pScrn->clock[i])); - /* Round to nearest 10KHz */ - pScrn->clock[i] += 5; - pScrn->clock[i] /= 10; - pScrn->clock[i] *= 10; - } - } - } - - pScrn->clock[knownclkindex] = knownclkvalue; - pScrn->numClocks = num; - - /* Restore registers that were written on */ - (*ClockFunc)(pScrn, CLK_REG_RESTORE); -} - const char * xf86GetVisualName(int visual) { diff --git a/hw/xfree86/vgahw/vgaHW.c b/hw/xfree86/vgahw/vgaHW.c index ee045d1..7f0ad28 100644 --- a/hw/xfree86/vgahw/vgaHW.c +++ b/hw/xfree86/vgahw/vgaHW.c @@ -1992,3 +1992,94 @@ SaveScreenProcPtr vgaHWSaveScreenWeak(void) { return vgaHWSaveScreen; } + +/* + * xf86GetClocks -- get the dot-clocks via a BIG BAD hack ... + */ +void +xf86GetClocks(ScrnInfoPtr pScrn, int num, Bool (*ClockFunc)(ScrnInfoPtr, int), + void (*ProtectRegs)(ScrnInfoPtr, Bool), + void (*BlankScreen)(ScrnInfoPtr, Bool), IOADDRESS vertsyncreg, + int maskval, int knownclkindex, int knownclkvalue) +{ + register int status = vertsyncreg; + unsigned long i, cnt, rcnt, sync; + + /* First save registers that get written on */ + (*ClockFunc)(pScrn, CLK_REG_SAVE); + + if (num > MAXCLOCKS) + num = MAXCLOCKS; + + for (i = 0; i < num; i++) + { + if (ProtectRegs) + (*ProtectRegs)(pScrn, TRUE); + if (!(*ClockFunc)(pScrn, i)) + { + pScrn->clock[i] = -1; + continue; + } + if (ProtectRegs) + (*ProtectRegs)(pScrn, FALSE); + if (BlankScreen) + (*BlankScreen)(pScrn, FALSE); + + usleep(50000); /* let VCO stabilise */ + + cnt = 0; + sync = 200000; + + while ((inb(status) & maskval) == 0x00) + if (sync-- == 0) goto finish; + /* Something appears to be happening, so reset sync count */ + sync = 200000; + while ((inb(status) & maskval) == maskval) + if (sync-- == 0) goto finish; + /* Something appears to be happening, so reset sync count */ + sync = 200000; + while ((inb(status) & maskval) == 0x00) + if (sync-- == 0) goto finish; + + for (rcnt = 0; rcnt < 5; rcnt++) + { + while (!(inb(status) & maskval)) + cnt++; + while ((inb(status) & maskval)) + cnt++; + } + +finish: + pScrn->clock[i] = cnt ? cnt : -1; + if (BlankScreen) + (*BlankScreen)(pScrn, TRUE); + } + + for (i = 0; i < num; i++) + { + if (i != knownclkindex) + { + if (pScrn->clock[i] == -1) + { + pScrn->clock[i] = 0; + } + else + { + pScrn->clock[i] = (int)(0.5 + + (((float)knownclkvalue) * pScrn->clock[knownclkindex]) / + (pScrn->clock[i])); + /* Round to nearest 10KHz */ + pScrn->clock[i] += 5; + pScrn->clock[i] /= 10; + pScrn->clock[i] *= 10; + } + } + } + + pScrn->clock[knownclkindex] = knownclkvalue; + pScrn->numClocks = num; + + /* Restore registers that were written on */ + (*ClockFunc)(pScrn, CLK_REG_RESTORE); +} + diff --git a/hw/xfree86/vgahw/vgaHW.h b/hw/xfree86/vgahw/vgaHW.h index 7e63492..d1d87a1 100644 --- a/hw/xfree86/vgahw/vgaHW.h +++ b/hw/xfree86/vgahw/vgaHW.h @@ -231,5 +231,11 @@ extern _X_EXPORT Bool vgaHWAllocDefaultRegs(vgaRegPtr regp); extern _X_EXPORT DDC1SetSpeedProc vgaHWddc1SetSpeedWeak(void); extern _X_EXPORT SaveScreenProcPtr vgaHWSaveScreenWeak(void); +extern _X_EXPORT void xf86GetClocks(ScrnInfoPtr pScrn, int num, + Bool (*ClockFunc)(ScrnInfoPtr, int), + void (*ProtectRegs)(ScrnInfoPtr, Bool), + void (*BlankScreen)(ScrnInfoPtr, Bool), + IOADDRESS vertsyncreg, int maskval, + int knownclkindex, int knownclkvalue); #endif /* _VGAHW_H */ -- 1.7.2.2 _______________________________________________ [email protected]: X.Org development Archives: http://lists.x.org/archives/xorg-devel Info: http://lists.x.org/mailman/listinfo/xorg-devel
