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Diffstat (limited to 'src/mga_driver.c')
-rw-r--r--src/mga_driver.c101
1 files changed, 46 insertions, 55 deletions
diff --git a/src/mga_driver.c b/src/mga_driver.c
index c5871f6..7e45fc4 100644
--- a/src/mga_driver.c
+++ b/src/mga_driver.c
@@ -45,7 +45,7 @@
* Added digital screen option for first head
*/
-/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/mga/mga_driver.c,v 1.244 2003/11/03 05:11:17 tsi Exp $ */
+/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/mga/mga_driver.c,v 1.244tsi Exp $ */
/*
* This is a first cut at a non-accelerated version to work with the
@@ -134,7 +134,7 @@ static void MGASave(ScrnInfoPtr pScrn);
static void MGARestore(ScrnInfoPtr pScrn);
static Bool MGAModeInit(ScrnInfoPtr pScrn, DisplayModePtr mode);
static void MGABlockHandler(int, pointer, pointer, pointer);
-static void MGAG100BlackMagic(MGAPtr pMga);
+static void MGAG100BlackMagic(ScrnInfoPtr pScrn);
static int MGAEntityIndex = -1;
@@ -926,7 +926,7 @@ MGACountRam(ScrnInfoPtr pScrn)
return 16384;
}
}
- ProbeSize = 16384;
+ ProbeSize = 8192;
break;
case PCI_CHIP_MGAG100:
case PCI_CHIP_MGAG100_PCI:
@@ -954,11 +954,14 @@ MGACountRam(ScrnInfoPtr pScrn)
tmp = INREG8(MGAREG_CRTCEXT_DATA);
OUTREG8(MGAREG_CRTCEXT_DATA, tmp | 0x80);
- /* write, read and compare method */
+ /* write, read and compare method
+ split into two loops to make it more reliable on RS/6k -ReneR */
for(i = ProbeSize; i > 2048; i -= 2048) {
base[(i * 1024) - 1] = 0xAA;
- OUTREG8(MGAREG_CRTC_INDEX, 0); /* flush the cache */
- usleep(1); /* twart write combination */
+ }
+ OUTREG8(MGAREG_CRTC_INDEX, 0); /* flush the cache */
+ usleep(4); /* twart write combination */
+ for(i = ProbeSize; i > 2048; i -= 2048) {
if(base[(i * 1024) - 1] == 0xAA) {
SizeFound = i;
break;
@@ -1262,12 +1265,7 @@ MGAPreInit(ScrnInfoPtr pScrn, int flags)
pMga->Access.AccessDisable = VgaIODisable;
pMga->Access.AccessEnable = VgaIOEnable;
pMga->Access.arg = pMga;
- /* please check if this is correct. I've impiled that the VGA fb
- is handled locally and not visible outside. If the VGA fb is
- handeled by the same function the third argument has to be set,
- too.*/
- xf86SetAccessFuncs(pMga->pEnt, &pMga->Access, &pMga->Access,
- &pMga->Access, NULL);
+ xf86SetAccessFuncs(pMga->pEnt, &pMga->Access, &pMga->Access);
#endif
/* Set pScrn->monitor */
@@ -1764,7 +1762,9 @@ MGAPreInit(ScrnInfoPtr pScrn, int flags)
}
pMga->IOAddress = pMga->device->IOBase;
from = X_CONFIG;
- } else {
+ } else
+#endif
+ {
/* details: mgabase1 sdk pp 4-11 */
int i = ((pMga->Chipset == PCI_CHIP_MGA1064 && pMga->ChipRev < 3) ||
pMga->Chipset == PCI_CHIP_MGA2064) ? 0 : 1;
@@ -1778,9 +1778,6 @@ MGAPreInit(ScrnInfoPtr pScrn, int flags)
return FALSE;
}
}
-#else
- pMga->IOAddress = pMga->PciInfo->memBase[0];
-#endif
xf86DrvMsg(pScrn->scrnIndex, from, "MMIO registers at 0x%lX\n",
(unsigned long)pMga->IOAddress);
@@ -2506,7 +2503,6 @@ MGAMapMem(ScrnInfoPtr pScrn)
pMga->FbStart = pMga->FbBase + pMga->YDstOrg * (pScrn->bitsPerPixel / 8);
-
/* Map the ILOAD transfer window if there is one. We only make
DWORD access on DWORD boundaries to this window */
if (pMga->ILOADAddress) {
@@ -3074,7 +3070,7 @@ MGAScreenInit(int scrnIndex, ScreenPtr pScreen, int argc, char **argv)
if ((pMga->Chipset == PCI_CHIP_MGAG100)
|| (pMga->Chipset == PCI_CHIP_MGAG100_PCI))
- MGAG100BlackMagic(pMga);
+ MGAG100BlackMagic(pScrn);
if (pMga->DualHeadEnabled) {
DevUnion *pPriv;
@@ -4059,96 +4055,88 @@ MGABlockHandler (
(*pMga->RenderCallback)(pScrn);
}
-#if defined (DEBUG)
+#if defined (EXTRADEBUG)
/*
* some functions to track input/output in the server
*/
CARD8
-dbg_inreg8(ScrnInfoPtr pScrn,int addr,int verbose)
+MGAdbg_inreg8(ScrnInfoPtr pScrn,int addr,int verbose, char* func)
{
- MGAPtr pMga;
CARD8 ret;
- pMga = MGAPTR(pScrn);
- ret = *(volatile CARD8 *)(pMga->IOBase + (addr));
+ ret = MMIO_IN8(MGAPTR(pScrn)->IOBase,addr);
if(verbose)
xf86DrvMsg(pScrn->scrnIndex, X_INFO,
- "inreg8 : 0x%8x = 0x%x\n",addr,ret);
+ "inreg8 : %s: 0x%8x = 0x%x\n",func, addr,ret);
return ret;
}
CARD16
-dbg_inreg16(ScrnInfoPtr pScrn,int addr,int verbose)
+MGAdbg_inreg16(ScrnInfoPtr pScrn,int addr,int verbose, char* func)
{
- MGAPtr pMga;
CARD16 ret;
- pMga = MGAPTR(pScrn);
- ret = *(volatile CARD16 *)(pMga->IOBase + (addr));
+ ret = MMIO_IN16(MGAPTR(pScrn)->IOBase,addr);
if(verbose)
xf86DrvMsg(pScrn->scrnIndex, X_INFO,
- "inreg16: 0x%8x = 0x%x\n",addr,ret);
+ "inreg16: %s: 0x%8x = 0x%x\n",func, addr,ret);
return ret;
}
CARD32
-dbg_inreg32(ScrnInfoPtr pScrn,int addr,int verbose)
+MGAdbg_inreg32(ScrnInfoPtr pScrn,int addr,int verbose, char* func)
{
- MGAPtr pMga;
CARD32 ret;
- pMga = MGAPTR(pScrn);
- ret = *(volatile CARD32 *)(pMga->IOBase + (addr));
+ ret = MMIO_IN32(MGAPTR(pScrn)->IOBase,addr);
if(verbose)
xf86DrvMsg(pScrn->scrnIndex, X_INFO,
- "inreg32: 0x%8x = 0x%x\n",addr,ret);
+ "inreg32: %s: 0x%8x = 0x%x\n",func, addr,ret);
return ret;
}
void
-dbg_outreg8(ScrnInfoPtr pScrn,int addr,int val)
+MGAdbg_outreg8(ScrnInfoPtr pScrn,int addr,int val, char* func)
{
- MGAPtr pMga;
CARD8 ret;
- pMga = MGAPTR(pScrn);
#if 0
if( addr = MGAREG_CRTCEXT_DATA )
return;
#endif
if( addr != 0x3c00 ) {
- ret = dbg_inreg8(pScrn,addr,0);
+ ret = MGAdbg_inreg8(pScrn,addr,0,func);
xf86DrvMsg(pScrn->scrnIndex, X_INFO,
- "outreg8 : 0x%8x = 0x%x was 0x%x\n",addr,val,ret);
+ "outreg8 : %s: 0x%8x = 0x%x was 0x%x\n",
+ func,addr,val,ret);
}
else {
- xf86DrvMsg(pScrn->scrnIndex, X_INFO, "outreg8 : index 0x%x\n",val);
+ xf86DrvMsg(pScrn->scrnIndex, X_INFO, "outreg8 : %s: index 0x%x\n",
+ func,val);
}
- *(volatile CARD8 *)(pMga->IOBase + (addr)) = (val);
+ MMIO_OUT8(MGAPTR(pScrn)->IOBase,addr,val);
}
void
-dbg_outreg16(ScrnInfoPtr pScrn,int addr,int val)
+MGAdbg_outreg16(ScrnInfoPtr pScrn,int addr,int val, char* func)
{
- MGAPtr pMga;
CARD16 ret;
#if 0
if (addr == MGAREG_CRTCEXT_INDEX)
return;
#endif
- pMga = MGAPTR(pScrn);
- ret = dbg_inreg16(pScrn,addr,0);
+ ret = MGAdbg_inreg16(pScrn,addr,0, func);
xf86DrvMsg(pScrn->scrnIndex, X_INFO,
- "outreg16 : 0x%8x = 0x%x was 0x%x\n",addr,val,ret);
- *(volatile CARD16 *)(pMga->IOBase + (addr)) = (val);
+ "outreg16: %s: 0x%8x = 0x%x was 0x%x\n",
+ func,addr,val,ret);
+ MMIO_OUT16(MGAPTR(pScrn)->IOBase,addr,val);
}
void
-dbg_outreg32(ScrnInfoPtr pScrn,int addr,int val)
+MGAdbg_outreg32(ScrnInfoPtr pScrn,int addr,int val, char* func)
{
- MGAPtr pMga;
CARD32 ret;
if (((addr & 0xff00) == 0x1c00)
@@ -4162,20 +4150,23 @@ dbg_outreg32(ScrnInfoPtr pScrn,int addr,int val)
&& (addr != 0x1c98)
&& (addr != 0x1c9c)
) {
- xf86DrvMsg(pScrn->scrnIndex, X_INFO, "refused address 0x%x\n",addr);
+ xf86DrvMsg(pScrn->scrnIndex, X_INFO, "%s: refused address 0x%x\n",
+ func,addr);
return;
}
- pMga = MGAPTR(pScrn);
- ret = dbg_inreg32(pScrn,addr,0);
+ ret = MGAdbg_inreg32(pScrn,addr,0, func);
xf86DrvMsg(pScrn->scrnIndex, X_INFO,
- "outreg32 : 0x%8x = 0x%x was 0x%x\n",addr,val,ret);
- *(volatile CARD32 *)(pMga->IOBase + (addr)) = (val);
+ "outreg32: %s: 0x%8x = 0x%x was 0x%x\n",
+ func,addr,val,ret);
+ MMIO_OUT32(MGAPTR(pScrn)->IOBase,addr,val);
}
#endif /* DEBUG */
static void
-MGAG100BlackMagic(MGAPtr pMga)
+MGAG100BlackMagic(ScrnInfoPtr pScrn)
{
+ MGAPtr pMga = MGAPTR(pScrn);
+
OUTREG(MGAREG_PLNWT, ~(CARD32)0x0);
/* reset memory */
OUTREG(MGAREG_MACCESS, 1<<15);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-22 10:02:34 +0000