From: Miguel Gómez Date: Fri, 6 Jul 2012 10:40:48 +0000 (+0200) Subject: Staging: xgifb: Rework conditions in XGI_GetVBInfo(). X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=f93173515f809fbcf251a3b1742e8659cc75dd74;p=linux-beck.git Staging: xgifb: Rework conditions in XGI_GetVBInfo(). Rework some conditions to reduce indentation and fix style warnings. Signed-off-by: Miguel Gómez Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/staging/xgifb/vb_setmode.c b/drivers/staging/xgifb/vb_setmode.c index 251145ea0f39..9dfc2deacd0a 100644 --- a/drivers/staging/xgifb/vb_setmode.c +++ b/drivers/staging/xgifb/vb_setmode.c @@ -2611,186 +2611,183 @@ 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; - - temp = xgifb_reg_get(pVBInfo->P3d4, 0x38); + if (!(pVBInfo->VBType & 0xFFFF)) + return; - if (pVBInfo->IF_DEF_LCDA == 1) { - - 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 (temp & SetToLCDA) - tempbx |= - XGI_SetCRT2ToLCDA; - } - } + /* 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; + + temp = xgifb_reg_get(pVBInfo->P3d4, 0x38); + + if (pVBInfo->IF_DEF_LCDA == 1) { + + 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; - } + 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 */ + 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)); - } - } + 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; + } - /* 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 & XGI_SetCRT2ToLCDA) { + if (tempbx & SetSimuScanMode) + tempbx &= (~(SetCRT2ToLCD | + SetCRT2ToRAMDAC | + SwitchCRT2)); + else + tempbx &= (~(SetCRT2ToLCD | + SetCRT2ToRAMDAC | + SetCRT2ToTV | + SwitchCRT2)); } } + } - if (!(pVBInfo->VBType & VB_NoLCD)) { - if (tempbx & SetCRT2ToLCD) { + /* 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; + } - /* 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; + 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; + } } pVBInfo->VBInfo = tempbx;