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Staging: xgifb: Rework conditions in XGI_GetVBInfo().

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Rework some conditions to reduce indentation and fix style warnings.

Signed-off-by: Miguel Gómez <magomez@igalia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Miguel Gómez 2012-07-06 12:40:48 +02:00 committed by Greg Kroah-Hartman
parent 7eec23a7b3
commit f93173515f
1 changed files with 144 additions and 147 deletions
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291
drivers/staging/xgifb/vb_setmode.c
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@ -2611,185 +2611,182 @@ static void XGI_GetVBInfo(unsigned short ModeNo, unsigned short ModeIdIndex,
pVBInfo->ModeType = modeflag & ModeTypeMask;
tempbx = 0;
if (pVBInfo->VBType & 0xFFFF) {
/* Check Display Device */
temp = xgifb_reg_get(pVBInfo->P3d4, 0x30);
tempbx = tempbx | temp;
temp = xgifb_reg_get(pVBInfo->P3d4, 0x31);
push = temp;
push = push << 8;
tempax = temp << 8;
tempbx = tempbx | tempax;
temp = (SetCRT2ToDualEdge | SetCRT2ToYPbPr525750 | XGI_SetCRT2ToLCDA
| SetInSlaveMode | DisableCRT2Display);
temp = 0xFFFF ^ temp;
tempbx &= temp;
if (!(pVBInfo->VBType & 0xFFFF))
return;
temp = xgifb_reg_get(pVBInfo->P3d4, 0x38);
/* Check Display Device */
temp = xgifb_reg_get(pVBInfo->P3d4, 0x30);
tempbx = tempbx | temp;
temp = xgifb_reg_get(pVBInfo->P3d4, 0x31);
push = temp;
push = push << 8;
tempax = temp << 8;
tempbx = tempbx | tempax;
temp = (SetCRT2ToDualEdge | SetCRT2ToYPbPr525750 | XGI_SetCRT2ToLCDA
| SetInSlaveMode | DisableCRT2Display);
temp = 0xFFFF ^ temp;
tempbx &= temp;
if (pVBInfo->IF_DEF_LCDA == 1) {
temp = xgifb_reg_get(pVBInfo->P3d4, 0x38);
if ((HwDeviceExtension->jChipType >= XG20) ||
(HwDeviceExtension->jChipType >= XG40)) {
if (pVBInfo->IF_DEF_LVDS == 0) {
if (pVBInfo->VBType &
(VB_SIS302B |
VB_SIS301LV |
VB_SIS302LV |
VB_XGI301C)) {
if (temp & EnableDualEdge) {
tempbx |=
SetCRT2ToDualEdge;
if (pVBInfo->IF_DEF_LCDA == 1) {
if (temp & SetToLCDA)
tempbx |=
XGI_SetCRT2ToLCDA;
}
if (((HwDeviceExtension->jChipType >= XG20) ||
(HwDeviceExtension->jChipType >= XG40)) &&
(pVBInfo->IF_DEF_LVDS == 0)) {
if (pVBInfo->VBType &
(VB_SIS302B |
VB_SIS301LV |
VB_SIS302LV |
VB_XGI301C)) {
if (temp & EnableDualEdge) {
tempbx |= SetCRT2ToDualEdge;
if (temp & SetToLCDA)
tempbx |= XGI_SetCRT2ToLCDA;
}
}
}
}
if (pVBInfo->IF_DEF_YPbPr == 1) {
if (((pVBInfo->IF_DEF_LVDS == 0) &&
((pVBInfo->VBType & VB_SIS301LV) ||
(pVBInfo->VBType & VB_SIS302LV) ||
(pVBInfo->VBType & VB_XGI301C)))) {
if (temp & SetYPbPr) {
if (pVBInfo->IF_DEF_HiVision == 1) {
/* shampoo add for new
* scratch */
temp = xgifb_reg_get(
pVBInfo->P3d4,
0x35);
temp &= YPbPrMode;
tempbx |= SetCRT2ToHiVision;
if (temp != YPbPrMode1080i) {
tempbx &=
(~SetCRT2ToHiVision);
tempbx |=
SetCRT2ToYPbPr525750;
}
}
}
}
}
tempax = push; /* restore CR31 */
if (pVBInfo->IF_DEF_LVDS == 0) {
if (pVBInfo->IF_DEF_YPbPr == 1) {
if (((pVBInfo->IF_DEF_LVDS == 0) &&
((pVBInfo->VBType & VB_SIS301LV) ||
(pVBInfo->VBType & VB_SIS302LV) ||
(pVBInfo->VBType & VB_XGI301C)))) {
if (temp & SetYPbPr) {
if (pVBInfo->IF_DEF_HiVision == 1) {
/* shampoo add for new
* scratch */
temp = xgifb_reg_get(
pVBInfo->P3d4,
0x35);
temp &= YPbPrMode;
tempbx |= SetCRT2ToHiVision;
if (temp != YPbPrMode1080i) {
tempbx &=
(~SetCRT2ToHiVision);
tempbx |=
SetCRT2ToYPbPr525750;
}
}
}
}
if (pVBInfo->IF_DEF_HiVision == 1)
temp = 0x09FC;
else
temp = 0x097C;
} else {
if (pVBInfo->IF_DEF_HiVision == 1)
temp = 0x01FC;
else
temp = 0x017C;
}
} else { /* 3nd party chip */
temp = SetCRT2ToLCD;
}
tempax = push; /* restore CR31 */
if (pVBInfo->IF_DEF_LVDS == 0) {
if (pVBInfo->IF_DEF_YPbPr == 1) {
if (pVBInfo->IF_DEF_HiVision == 1)
temp = 0x09FC;
else
temp = 0x097C;
} else {
if (pVBInfo->IF_DEF_HiVision == 1)
temp = 0x01FC;
else
temp = 0x017C;
}
} else { /* 3nd party chip */
temp = SetCRT2ToLCD;
}
if (!(tempbx & temp)) {
tempax |= DisableCRT2Display;
tempbx = 0;
}
if (pVBInfo->IF_DEF_LCDA == 1) { /* Select Display Device */
if (!(pVBInfo->VBType & VB_NoLCD)) {
if (tempbx & XGI_SetCRT2ToLCDA) {
if (tempbx & SetSimuScanMode)
tempbx &= (~(SetCRT2ToLCD |
SetCRT2ToRAMDAC |
SwitchCRT2));
else
tempbx &= (~(SetCRT2ToLCD |
SetCRT2ToRAMDAC |
SetCRT2ToTV |
SwitchCRT2));
}
}
}
/* shampoo add */
/* for driver abnormal */
if (!(tempbx & (SwitchCRT2 | SetSimuScanMode))) {
if (pVBInfo->IF_DEF_CRT2Monitor == 1) {
if (tempbx & SetCRT2ToRAMDAC) {
tempbx &= (0xFF00 |
SetCRT2ToRAMDAC |
SwitchCRT2 |
SetSimuScanMode);
tempbx &= (0x00FF | (~SetCRT2ToYPbPr525750));
}
} else {
tempbx &= (~(SetCRT2ToRAMDAC |
SetCRT2ToLCD |
SetCRT2ToTV));
}
}
if (!(tempbx & temp)) {
tempax |= DisableCRT2Display;
tempbx = 0;
}
if (pVBInfo->IF_DEF_LCDA == 1) { /* Select Display Device */
if (!(pVBInfo->VBType & VB_NoLCD)) {
if (tempbx & SetCRT2ToLCD) {
if (tempbx & XGI_SetCRT2ToLCDA) {
if (tempbx & SetSimuScanMode)
tempbx &= (~(SetCRT2ToLCD |
SetCRT2ToRAMDAC |
SwitchCRT2));
else
tempbx &= (~(SetCRT2ToLCD |
SetCRT2ToRAMDAC |
SetCRT2ToTV |
SwitchCRT2));
}
}
}
/* shampoo add */
/* for driver abnormal */
if (!(tempbx & (SwitchCRT2 | SetSimuScanMode))) {
if (pVBInfo->IF_DEF_CRT2Monitor == 1) {
if (tempbx & SetCRT2ToRAMDAC) {
tempbx &= (0xFF00 |
SetCRT2ToLCD |
SetCRT2ToRAMDAC |
SwitchCRT2 |
SetSimuScanMode);
tempbx &= (0x00FF | (~SetCRT2ToYPbPr525750));
}
} else {
tempbx &= (~(SetCRT2ToRAMDAC |
SetCRT2ToLCD |
SetCRT2ToTV));
}
}
if (tempbx & SetCRT2ToSCART) {
if (!(pVBInfo->VBType & VB_NoLCD)) {
if (tempbx & SetCRT2ToLCD) {
tempbx &= (0xFF00 |
SetCRT2ToSCART |
SetCRT2ToLCD |
SwitchCRT2 |
SetSimuScanMode);
tempbx &= (0x00FF | (~SetCRT2ToYPbPr525750));
}
}
if (pVBInfo->IF_DEF_YPbPr == 1) {
if (tempbx & SetCRT2ToYPbPr525750)
tempbx &= (0xFF00 |
SwitchCRT2 |
SetSimuScanMode);
}
if (tempbx & SetCRT2ToSCART) {
tempbx &= (0xFF00 |
SetCRT2ToSCART |
SwitchCRT2 |
SetSimuScanMode);
tempbx &= (0x00FF | (~SetCRT2ToYPbPr525750));
}
if (pVBInfo->IF_DEF_HiVision == 1) {
if (tempbx & SetCRT2ToHiVision)
tempbx &= (0xFF00 |
SetCRT2ToHiVision |
SwitchCRT2 |
SetSimuScanMode);
}
if (pVBInfo->IF_DEF_YPbPr == 1) {
if (tempbx & SetCRT2ToYPbPr525750)
tempbx &= (0xFF00 |
SwitchCRT2 |
SetSimuScanMode);
}
if (tempax & DisableCRT2Display) { /* Set Display Device Info */
if (!(tempbx & (SwitchCRT2 | SetSimuScanMode)))
tempbx = DisableCRT2Display;
}
if (pVBInfo->IF_DEF_HiVision == 1) {
if (tempbx & SetCRT2ToHiVision)
tempbx &= (0xFF00 |
SetCRT2ToHiVision |
SwitchCRT2 |
SetSimuScanMode);
}
if (!(tempbx & DisableCRT2Display)) {
if ((!(tempbx & DriverMode)) ||
(!(modeflag & CRT2Mode))) {
if (pVBInfo->IF_DEF_LCDA == 1) {
if (!(tempbx & XGI_SetCRT2ToLCDA))
tempbx |= (SetInSlaveMode |
SetSimuScanMode);
}
if (tempax & DisableCRT2Display) { /* Set Display Device Info */
if (!(tempbx & (SwitchCRT2 | SetSimuScanMode)))
tempbx = DisableCRT2Display;
}
if (!(tempbx & DisableCRT2Display)) {
if ((!(tempbx & DriverMode)) ||
(!(modeflag & CRT2Mode))) {
if (pVBInfo->IF_DEF_LCDA == 1) {
if (!(tempbx & XGI_SetCRT2ToLCDA))
tempbx |= (SetInSlaveMode |
SetSimuScanMode);
}
}
/* LCD+TV can't support in slave mode
* (Force LCDA+TV->LCDB) */
if ((tempbx & SetInSlaveMode) &&
(tempbx & XGI_SetCRT2ToLCDA)) {
tempbx ^= (SetCRT2ToLCD |
XGI_SetCRT2ToLCDA |
SetCRT2ToDualEdge);
pVBInfo->SetFlag |= ReserveTVOption;
}
/* LCD+TV can't support in slave mode
* (Force LCDA+TV->LCDB) */
if ((tempbx & SetInSlaveMode) &&
(tempbx & XGI_SetCRT2ToLCDA)) {
tempbx ^= (SetCRT2ToLCD |
XGI_SetCRT2ToLCDA |
SetCRT2ToDualEdge);
pVBInfo->SetFlag |= ReserveTVOption;
}
}