summaryrefslogtreecommitdiff
path: root/src/apm_driver.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/apm_driver.c')
-rw-r--r--src/apm_driver.c72
1 files changed, 44 insertions, 28 deletions
diff --git a/src/apm_driver.c b/src/apm_driver.c
index dd877d3..43ee94e 100644
--- a/src/apm_driver.c
+++ b/src/apm_driver.c
@@ -1,4 +1,4 @@
-/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/apm/apm_driver.c,v 1.61 2002/10/16 21:13:46 dawes Exp $ */
+/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/apm/apm_driver.c,v 1.66 2003/10/30 18:37:20 tsi Exp $ */
#include "apm.h"
#include "xf86cmap.h"
@@ -36,8 +36,8 @@ static Bool ApmEnterVT(int scrnIndex, int flags);
static void ApmLeaveVT(int scrnIndex, int flags);
static Bool ApmCloseScreen(int scrnIndex, ScreenPtr pScreen);
static void ApmFreeScreen(int scrnIndex, int flags);
-static int ApmValidMode(int scrnIndex, DisplayModePtr mode,
- Bool verbose, int flags);
+static ModeStatus ApmValidMode(int scrnIndex, DisplayModePtr mode,
+ Bool verbose, int flags);
static Bool ApmSaveScreen(ScreenPtr pScreen, int mode);
static void ApmUnlock(ApmPtr pApm);
static void ApmLock(ApmPtr pApm);
@@ -161,12 +161,8 @@ static const char *xaaSymbols[] = {
"XAADestroyInfoRec",
"XAAGlyphScanlineFuncLSBFirst",
"XAAInit",
- "XAAQueryBestSize",
"XAAReverseBitOrder",
- "XAARestoreCursor",
- "XAAScreenIndex",
"XAAStippleScanlineFuncMSBFirst",
- "XAAWarpCursor",
NULL
};
@@ -177,12 +173,14 @@ static const char *ramdacSymbols[] = {
NULL
};
+#ifdef XFree86LOADER
static const char *vbeSymbols[] = {
"VBEInit",
"vbeDoEDID",
"vbeFree",
NULL
};
+#endif
static const char *ddcSymbols[] = {
"xf86DoEDID_DDC1",
@@ -202,11 +200,13 @@ static const char *shadowSymbols[] = {
NULL
};
+#ifdef XFree86LOADER
static const char *miscfbSymbols[] = {
"xf1bppScreenInit",
"xf4bppScreenInit",
NULL
};
+#endif
static const char *fbSymbols[] = {
"fbPictureInit",
@@ -471,7 +471,7 @@ static int *
GetAccelPitchValues(ScrnInfoPtr pScrn)
{
int *linePitches = NULL;
- int linep[] = {640, 800, 1024, 1152, 1280, 1600, 0};
+ int linep[] = {640, 800, 1024, 1152, 1280, 0};
if (sizeof linep > 0) {
linePitches = (int *)xnfalloc(sizeof linep);
@@ -1076,12 +1076,12 @@ ApmPreInit(ScrnInfoPtr pScrn, int flags)
if (pApm->NoAccel) {
/*
* XXX Assuming min pitch 256, max 2048
- * XXX Assuming min height 128, max 2048
+ * XXX Assuming min height 128, max 1024 (changed EE)
*/
i = xf86ValidateModes(pScrn, pScrn->monitor->Modes,
pScrn->display->modes, clockRanges,
NULL, 256, 2048,
- pScrn->bitsPerPixel, 128, 2048,
+ pScrn->bitsPerPixel, 128, 1024,
pScrn->display->virtualX,
pScrn->display->virtualY,
pApm->FbMapSize,
@@ -1093,7 +1093,7 @@ ApmPreInit(ScrnInfoPtr pScrn, int flags)
i = xf86ValidateModes(pScrn, pScrn->monitor->Modes,
pScrn->display->modes, clockRanges,
GetAccelPitchValues(pScrn), 0, 0,
- pScrn->bitsPerPixel, 128, 2048,
+ pScrn->bitsPerPixel, 128, 1024,
pScrn->display->virtualX,
pScrn->display->virtualY,
pApm->FbMapSize,
@@ -1431,7 +1431,9 @@ comp_lmn(ApmPtr pApm, long clock)
double fref;
double fvco_goal;
double k, c;
-
+ double fout_best = 0;
+ unsigned int best = 0;
+
if (pApm->Chipset >= AT3D)
fmax = 370000.0;
else
@@ -1449,7 +1451,7 @@ comp_lmn(ApmPtr pApm, long clock)
fout = ((double)(n + 1) * fref)/((double)(m + 1) * (1 << l));
fvco_goal = (double)clock * (double)(1 << l);
fvco = fout * (double)(1 << l);
- if (!WITHIN(fvco, 0.995*fvco_goal, 1.005*fvco_goal))
+ if (!WITHIN(fvco, 0.99*fvco_goal, 1.01*fvco_goal))
continue;
if (!WITHIN(fvco, fmin, fmax))
continue;
@@ -1458,6 +1460,16 @@ comp_lmn(ApmPtr pApm, long clock)
if (!WITHIN(fref / (double)(m+1), 300.0, 300000.0))
continue;
+ if (fout_best != 0) {
+ double diff_new = clock - fout;
+ double diff_old = clock - best;
+ diff_new = diff_new < 0 ? -diff_new : diff_new;
+ diff_old = diff_old < 0 ? -diff_old : diff_old;
+ if (diff_new > diff_old)
+ continue;
+ }
+ fout_best = fout;
+
/* The following formula was empirically derived by
matching a number of fvco values with acceptable
values of f.
@@ -1514,11 +1526,15 @@ comp_lmn(ApmPtr pApm, long clock)
if (f > 7) f = 7;
if (f < 0) f = 0;
}
-
- return (n << 16) | (m << 8) | (l << 2) | (f << 4);
+
+ best = (n << 16) | (m << 8) | (l << 2) | (f << 4);
}
}
}
+
+ if (fout_best != 0)
+ return best;
+
xf86DrvMsg(pApm->scrnIndex, X_PROBED,
"Cannot find register values for clock %6.2f MHz. "
"Please use a (slightly) different clock.\n",
@@ -1724,24 +1740,26 @@ ApmRestore(ScrnInfoPtr pScrn, vgaRegPtr vgaReg, ApmRegPtr ApmReg)
ApmWriteCrtc(0x19, ApmReg->CRT[0x19]);
ApmWriteCrtc(0x1A, ApmReg->CRT[0x1A]);
ApmWriteCrtc(0x1B, ApmReg->CRT[0x1B]);
- ApmWriteCrtc(0x1C, ApmReg->CRT[0x1C]);
ApmWriteCrtc(0x1D, ApmReg->CRT[0x1D]);
ApmWriteCrtc(0x1E, ApmReg->CRT[0x1E]);
/* RAMDAC registers. */
WRXL(0xE8, ApmReg->EX[XRE8]);
+
WRXL(0xEC, ApmReg->EX[XREC] & ~(1 << 7));
WRXL(0xEC, ApmReg->EX[XREC] | (1 << 7)); /* Do a PLL resync */
/* Color correction */
WRXL(0xE0, ApmReg->EX[XRE0]);
- WRXB(0x80, ApmReg->EX[XR80]);
-
/*
* This function handles restoring the generic VGA registers.
*/
vgaHWRestore(pScrn, vgaReg, VGA_SR_MODE | VGA_SR_CMAP);
+
+ /* set these after setting the default VGA registers */
+ ApmWriteCrtc(0x1C, ApmReg->CRT[0x1C]);
+ WRXB(0x80, ApmReg->EX[XR80]);
}
else {
/* Set aperture index to 0. */
@@ -1983,6 +2001,13 @@ ApmScreenInit(int scrnIndex, ScreenPtr pScreen, int argc, char **argv)
}
}
+ /*
+ * Initialize the acceleration interface.
+ */
+ if (!pApm->NoAccel) {
+ ApmAccelInit(pScreen); /* set up XAA interface */
+ }
+
miInitializeBackingStore(pScreen);
xf86SetBackingStore(pScreen);
xf86SetSilkenMouse(pScreen);
@@ -1997,12 +2022,6 @@ ApmScreenInit(int scrnIndex, ScreenPtr pScreen, int argc, char **argv)
"Hardware cursor initialization failed\n");
}
- /*
- * Initialize the acceleration interface.
- */
- if (!pApm->NoAccel) {
- ApmAccelInit(pScreen); /* set up XAA interface */
- }
/* Initialise default colourmap */
if (!miCreateDefColormap(pScreen))
@@ -2233,9 +2252,6 @@ ApmCloseScreen(int scrnIndex, ScreenPtr pScreen)
pApm->CursorInfoRec = NULL;
if (pApm->DGAModes)
xfree(pApm->DGAModes);
- if (pApm->I2CPtr)
- xf86DestroyI2CBusRec(pApm->I2CPtr, TRUE, TRUE);
- pApm->I2CPtr = NULL;
if (pApm->adaptor)
xfree(pApm->adaptor);
@@ -2261,7 +2277,7 @@ ApmFreeScreen(int scrnIndex, int flags)
/* Checks if a mode is suitable for the selected chipset. */
/* Optional */
-static int
+static ModeStatus
ApmValidMode(int scrnIndex, DisplayModePtr mode, Bool verbose, int flags)
{
if (mode->Flags & V_INTERLACE)
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-22 17:41:53 +0000