[PATCH v2 06/24] staging: xgifb: eliminate redudant chip type >= XG40 checks

From: Aaro Koskinen
Date: Sun Mar 13 2011 - 06:26:49 EST

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Since all chips supported by the driver are >= XG40, these checks are
redundant and the code can be modified accordingly.

Signed-off-by: Aaro Koskinen <aaro.koskinen@xxxxxx>
---
drivers/staging/xgifb/XGI_main_26.c | 5 +--
drivers/staging/xgifb/vb_ext.c | 8 +---
drivers/staging/xgifb/vb_init.c | 70 ++++++++++++++--------------------
drivers/staging/xgifb/vb_setmode.c | 32 ++-------------
drivers/staging/xgifb/vb_table.h | 23 -----------
5 files changed, 36 insertions(+), 102 deletions(-)

diff --git a/drivers/staging/xgifb/XGI_main_26.c b/drivers/staging/xgifb/XGI_main_26.c
index b2cb7a3..ed0d554 100644
--- a/drivers/staging/xgifb/XGI_main_26.c
+++ b/drivers/staging/xgifb/XGI_main_26.c
@@ -1502,10 +1502,7 @@ static int XGIfb_get_fix(struct fb_fix_screeninfo *fix, int con,
fix->line_length = xgi_video_info.video_linelength;
fix->mmio_start = xgi_video_info.mmio_base;
fix->mmio_len = xgi_video_info.mmio_size;
- if (xgi_video_info.chip >= XG40)
- fix->accel = FB_ACCEL_XGI_XABRE;
- else
- fix->accel = FB_ACCEL_XGI_GLAMOUR_2;
+ fix->accel = FB_ACCEL_XGI_XABRE;

DEBUGPRN("end of get_fix");
return 0;
diff --git a/drivers/staging/xgifb/vb_ext.c b/drivers/staging/xgifb/vb_ext.c
index 6863fc2..5cf094a 100644
--- a/drivers/staging/xgifb/vb_ext.c
+++ b/drivers/staging/xgifb/vb_ext.c
@@ -383,13 +383,7 @@ unsigned short XGINew_SenseLCD(struct xgi_hw_device_info *HwDeviceExtension, str
/* unsigned short SoftSetting ; */
unsigned short temp;

- if ((HwDeviceExtension->jChipType >= XG20) || (HwDeviceExtension->jChipType >= XG40))
- temp = 0;
- else
- temp = XGINew_GetPanelID(pVBInfo);
-
- if (!temp)
- temp = XGINew_GetLCDDDCInfo(HwDeviceExtension, pVBInfo);
+ temp = XGINew_GetLCDDDCInfo(HwDeviceExtension, pVBInfo);

return temp;
}
diff --git a/drivers/staging/xgifb/vb_init.c b/drivers/staging/xgifb/vb_init.c
index 10c0a3b..86d7333 100644
--- a/drivers/staging/xgifb/vb_init.c
+++ b/drivers/staging/xgifb/vb_init.c
@@ -1382,13 +1382,8 @@ unsigned char XGIInitNew(struct xgi_hw_device_info *HwDeviceExtension)

printk("8");

- if ((HwDeviceExtension->jChipType >= XG20) || (HwDeviceExtension->jChipType >= XG40)) {
- for (i = 0x31; i <= 0x3B; i++)
- XGINew_SetReg1(pVBInfo->P3c4, i, 0);
- } else {
- for (i = 0x31; i <= 0x3D; i++)
- XGINew_SetReg1(pVBInfo->P3c4, i, 0);
- }
+ for (i = 0x31; i <= 0x3B; i++)
+ XGINew_SetReg1(pVBInfo->P3c4, i, 0);
printk("9");

if (HwDeviceExtension->jChipType == XG42) /* [Hsuan] 2004/08/20 Auto over driver for XG42 */
@@ -1407,7 +1402,6 @@ unsigned char XGIInitNew(struct xgi_hw_device_info *HwDeviceExtension)

/* 3.SetMemoryClock

- if (HwDeviceExtension->jChipType >= XG40)
XGINew_RAMType = (int)XGINew_GetXG20DRAMType(HwDeviceExtension, pVBInfo);
*/

@@ -1467,30 +1461,28 @@ unsigned char XGIInitNew(struct xgi_hw_device_info *HwDeviceExtension)

printk("13");

- if (HwDeviceExtension->jChipType >= XG40) {
- /* Set AGP customize registers (in SetDefAGPRegs) Start */
- for (i = 0x47; i <= 0x4C; i++)
- XGINew_SetReg1(pVBInfo->P3d4, i, pVBInfo->AGPReg[i - 0x47]);
-
- for (i = 0x70; i <= 0x71; i++)
- XGINew_SetReg1(pVBInfo->P3d4, i, pVBInfo->AGPReg[6 + i - 0x70]);
-
- for (i = 0x74; i <= 0x77; i++)
- XGINew_SetReg1(pVBInfo->P3d4, i, pVBInfo->AGPReg[8 + i - 0x74]);
- /* Set AGP customize registers (in SetDefAGPRegs) End */
- /* [Hsuan]2004/12/14 AGP Input Delay Adjustment on 850 */
- /* XGINew_SetReg4(0xcf8 , 0x80000000); */
- /* ChipsetID = XGINew_GetReg3(0x0cfc); */
- /* if (ChipsetID == 0x25308086) */
- /* XGINew_SetReg1(pVBInfo->P3d4, 0x77, 0xF0); */
-
- HwDeviceExtension->pQueryVGAConfigSpace(HwDeviceExtension, 0x50, 0, &Temp); /* Get */
- Temp >>= 20;
- Temp &= 0xF;
-
- if (Temp == 1)
- XGINew_SetReg1(pVBInfo->P3d4, 0x48, 0x20); /* CR48 */
- }
+ /* Set AGP customize registers (in SetDefAGPRegs) Start */
+ for (i = 0x47; i <= 0x4C; i++)
+ XGINew_SetReg1(pVBInfo->P3d4, i, pVBInfo->AGPReg[i - 0x47]);
+
+ for (i = 0x70; i <= 0x71; i++)
+ XGINew_SetReg1(pVBInfo->P3d4, i, pVBInfo->AGPReg[6 + i - 0x70]);
+
+ for (i = 0x74; i <= 0x77; i++)
+ XGINew_SetReg1(pVBInfo->P3d4, i, pVBInfo->AGPReg[8 + i - 0x74]);
+ /* Set AGP customize registers (in SetDefAGPRegs) End */
+ /* [Hsuan]2004/12/14 AGP Input Delay Adjustment on 850 */
+ /* XGINew_SetReg4(0xcf8 , 0x80000000); */
+ /* ChipsetID = XGINew_GetReg3(0x0cfc); */
+ /* if (ChipsetID == 0x25308086) */
+ /* XGINew_SetReg1(pVBInfo->P3d4, 0x77, 0xF0); */
+
+ HwDeviceExtension->pQueryVGAConfigSpace(HwDeviceExtension, 0x50, 0, &Temp); /* Get */
+ Temp >>= 20;
+ Temp &= 0xF;
+
+ if (Temp == 1)
+ XGINew_SetReg1(pVBInfo->P3d4, 0x48, 0x20); /* CR48 */
printk("14");
} /* != XG20 */

@@ -1529,7 +1521,6 @@ unsigned char XGIInitNew(struct xgi_hw_device_info *HwDeviceExtension)
printk("17");

/*
- if (HwDeviceExtension->jChipType >= XG40)
SetPowerConsume (HwDeviceExtension, pVBInfo->P3c4); */

if (HwDeviceExtension->jChipType < XG20) { /* kuku 2004/06/25 */
@@ -1578,16 +1569,13 @@ unsigned char XGIInitNew(struct xgi_hw_device_info *HwDeviceExtension)
}
printk("19");

- if (HwDeviceExtension->jChipType >= XG40) {
- if (HwDeviceExtension->jChipType >= XG40)
- XGINew_RAMType = (int) XGINew_GetXG20DRAMType(HwDeviceExtension, pVBInfo);
+ XGINew_RAMType = (int) XGINew_GetXG20DRAMType(HwDeviceExtension, pVBInfo);

- XGINew_SetDRAMDefaultRegister340(HwDeviceExtension, pVBInfo->P3d4, pVBInfo);
+ XGINew_SetDRAMDefaultRegister340(HwDeviceExtension, pVBInfo->P3d4, pVBInfo);

- printk("20");
- XGINew_SetDRAMSize_340(HwDeviceExtension, pVBInfo);
- printk("21");
- } /* XG40 */
+ printk("20");
+ XGINew_SetDRAMSize_340(HwDeviceExtension, pVBInfo);
+ printk("21");

printk("22");

diff --git a/drivers/staging/xgifb/vb_setmode.c b/drivers/staging/xgifb/vb_setmode.c
index 4d56963..c9a97e6 100644
--- a/drivers/staging/xgifb/vb_setmode.c
+++ b/drivers/staging/xgifb/vb_setmode.c
@@ -74,18 +74,8 @@ void InitTo330Pointer(unsigned char ChipType, struct vb_device_info *pVBInfo)
/* XGINew_UBLCDDataTable = (struct XGI_LCDDataTablStruct *) XGI_LCDDataTable; */
/* XGINew_UBTVDataTable = (XGI_TVDataTablStruct *) XGI_TVDataTable; */

- if (ChipType >= XG40) {
- pVBInfo->MCLKData
- = (struct XGI_MCLKDataStruct *) XGI340New_MCLKData;
- pVBInfo->ECLKData
- = (struct XGI_ECLKDataStruct *) XGI340_ECLKData;
- } else {
- pVBInfo->MCLKData
- = (struct XGI_MCLKDataStruct *) XGI330New_MCLKData;
- pVBInfo->ECLKData
- = (struct XGI_ECLKDataStruct *) XGI330_ECLKData;
- }
-
+ pVBInfo->MCLKData = (struct XGI_MCLKDataStruct *) XGI340New_MCLKData;
+ pVBInfo->ECLKData = (struct XGI_ECLKDataStruct *) XGI340_ECLKData;
pVBInfo->VCLKData = (struct XGI_VCLKDataStruct *) XGI_VCLKData;
pVBInfo->VBVCLKData = (struct XGI_VBVCLKDataStruct *) XGI_VBVCLKData;
pVBInfo->ScreenOffset = XGI330_ScreenOffset;
@@ -3291,15 +3281,7 @@ static void XGI_UpdateModeInfo(struct xgi_hw_device_info *HwDeviceExtension,
if (!(temp & 0x20)) {
temp = XGINew_GetReg1(pVBInfo->P3d4, 0x17);
if (temp & 0x80) {
- if ((HwDeviceExtension->jChipType >= XG20)
- || (HwDeviceExtension->jChipType
- >= XG40))
- temp = XGINew_GetReg1(pVBInfo->P3d4,
- 0x53);
- else
- temp = XGINew_GetReg1(pVBInfo->P3d4,
- 0x63);
-
+ temp = XGINew_GetReg1(pVBInfo->P3d4, 0x53);
if (!(temp & 0x40))
tempcl |= ActiveCRT1;
}
@@ -3377,7 +3359,7 @@ void XGI_GetVGAType(struct xgi_hw_device_info *HwDeviceExtension,
/*
if ( HwDeviceExtension->jChipType >= XG20 ) {
pVBInfo->Set_VGAType = XG20;
- } else if (HwDeviceExtension->jChipType >= XG40) {
+ } else {
pVBInfo->Set_VGAType = VGA_XGI340;
}
*/
@@ -8330,14 +8312,10 @@ unsigned char XGISetModeNew(struct xgi_hw_device_info *HwDeviceExtension,
pVBInfo->IF_DEF_HiVision = 0;
pVBInfo->IF_DEF_CRT2Monitor = 0;
pVBInfo->VBType = 0; /*set VBType default 0*/
- } else if (HwDeviceExtension->jChipType >= XG40) {
- pVBInfo->IF_DEF_YPbPr = 1;
- pVBInfo->IF_DEF_HiVision = 1;
- pVBInfo->IF_DEF_CRT2Monitor = 1;
} else {
pVBInfo->IF_DEF_YPbPr = 1;
pVBInfo->IF_DEF_HiVision = 1;
- pVBInfo->IF_DEF_CRT2Monitor = 0;
+ pVBInfo->IF_DEF_CRT2Monitor = 1;
}

pVBInfo->P3c4 = pVBInfo->BaseAddr + 0x14;
diff --git a/drivers/staging/xgifb/vb_table.h b/drivers/staging/xgifb/vb_table.h
index 78b1c79..d71cd55 100644
--- a/drivers/staging/xgifb/vb_table.h
+++ b/drivers/staging/xgifb/vb_table.h
@@ -1,17 +1,5 @@
#define Tap4

-
-static struct XGI_MCLKDataStruct XGI330New_MCLKData[] =
-{
- { 0x5c,0x23,0x01,166},
- { 0x5c,0x23,0x01,166},
- { 0x7C,0x08,0x80,200},
- { 0x79,0x06,0x80,250},
- { 0x29,0x01,0x81,300},
- { 0x29,0x01,0x81,300},
- { 0x29,0x01,0x81,300},
- { 0x29,0x01,0x81,300}
-};
//yilin modify for xgi20
static struct XGI_MCLKDataStruct XGI340New_MCLKData[] =
{
@@ -37,17 +25,6 @@ static struct XGI_MCLKDataStruct XGI27New_MCLKData[] =
{ 0x5c,0x23,0x01,166}
};

-static struct XGI_ECLKDataStruct XGI330_ECLKData[] =
-{
- { 0x7c,0x08,0x01,200},
- { 0x7c,0x08,0x01,200},
- { 0x7C,0x08,0x80,200},
- { 0x79,0x06,0x80,250},
- { 0x29,0x01,0x81,300},
- { 0x29,0x01,0x81,300},
- { 0x29,0x01,0x81,300},
- { 0x29,0x01,0x81,300}
-};
//yilin modify for xgi20
static struct XGI_ECLKDataStruct XGI340_ECLKData[] =
{
--
1.5.6.5

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