The code is almost the same for XG21 and XG27, a single routine can
cover both.
Signed-off-by: Aaro Koskinen <aaro.koskinen@xxxxxx>
---
drivers/staging/xgifb/vb_setmode.c | 242 +++++-------------------------------
1 files changed, 31 insertions(+), 211 deletions(-)
diff --git a/drivers/staging/xgifb/vb_setmode.c b/drivers/staging/xgifb/vb_setmode.c
index 9b2871e..cbba662 100644
--- a/drivers/staging/xgifb/vb_setmode.c
+++ b/drivers/staging/xgifb/vb_setmode.c
@@ -6387,204 +6387,10 @@ void XGI_SetXG27FPBits(struct vb_device_info *pVBInfo)
}
-static void XGI_SetXG21LVDSPara(unsigned short ModeNo,
- unsigned short ModeIdIndex,
- struct vb_device_info *pVBInfo)
-{
- unsigned char temp, Miscdata;
- unsigned short xres, yres, modeflag, resindex, lvdstableindex;
- unsigned short LVDSHT, LVDSHBS, LVDSHRS, LVDSHRE, LVDSHBE;
- unsigned short LVDSVT, LVDSVBS, LVDSVRS, LVDSVRE, LVDSVBE;
- unsigned short value;
-
- lvdstableindex = XGI_GetLVDSOEMTableIndex(pVBInfo);
-
- temp = (unsigned char) ((pVBInfo->XG21_LVDSCapList[lvdstableindex].
- LVDS_Capability &
- (LCDPolarity << 8)) >> 8);
- temp &= LCDPolarity;
- Miscdata = (unsigned char) inb(pVBInfo->P3cc);
-
- outb((Miscdata & 0x3F) | temp, pVBInfo->P3c2);
-
- temp = (unsigned char) (pVBInfo->XG21_LVDSCapList[lvdstableindex].
- LVDS_Capability & LCDPolarity);
- /* SR35[7] FP VSync polarity */
- xgifb_reg_and_or(pVBInfo->P3c4, 0x35, ~0x80, temp & 0x80);
- /* SR30[5] FP HSync polarity */
- xgifb_reg_and_or(pVBInfo->P3c4, 0x30, ~0x20, (temp & 0x40) >> 1);
-
- XGI_SetXG21FPBits(pVBInfo);
- resindex = XGI_GetResInfo(ModeNo, ModeIdIndex, pVBInfo);
- if (ModeNo <= 0x13) {
- xres = pVBInfo->StResInfo[resindex].HTotal;
- yres = pVBInfo->StResInfo[resindex].VTotal;
- /* si+St_ResInfo */
- modeflag = pVBInfo->SModeIDTable[ModeIdIndex].St_ModeFlag;
- } else {
- xres = pVBInfo->ModeResInfo[resindex].HTotal; /* xres->ax */
- yres = pVBInfo->ModeResInfo[resindex].VTotal; /* yres->bx */
- /* si+St_ModeFlag */
- modeflag = pVBInfo->EModeIDTable[ModeIdIndex].Ext_ModeFlag;
- }
-
- if (!(modeflag & Charx8Dot))
- xres = xres * 8 / 9;
-
- LVDSHT = pVBInfo->XG21_LVDSCapList[lvdstableindex].LVDSHT;
-
- LVDSHBS = xres + (pVBInfo->XG21_LVDSCapList[lvdstableindex].LVDSHDE
- - xres) / 2;
- if ((ModeNo <= 0x13) && (modeflag & HalfDCLK))
- LVDSHBS -= xres / 4;
-
- if (LVDSHBS > LVDSHT)
- LVDSHBS -= LVDSHT;
-
- LVDSHRS = LVDSHBS + pVBInfo->XG21_LVDSCapList[lvdstableindex].LVDSHFP;
- if (LVDSHRS > LVDSHT)
- LVDSHRS -= LVDSHT;
-
- LVDSHRE = LVDSHRS + pVBInfo->XG21_LVDSCapList[lvdstableindex].LVDSHSYNC;
- if (LVDSHRE > LVDSHT)
- LVDSHRE -= LVDSHT;
-
- LVDSHBE = LVDSHBS + LVDSHT
- - pVBInfo->XG21_LVDSCapList[lvdstableindex].LVDSHDE;
-
- LVDSVT = pVBInfo->XG21_LVDSCapList[lvdstableindex].LVDSVT;
-
- LVDSVBS = yres + (pVBInfo->XG21_LVDSCapList[lvdstableindex].LVDSVDE
- - yres) / 2;
- if ((ModeNo > 0x13) && (modeflag & DoubleScanMode))
- LVDSVBS += yres / 2;
-
- if (LVDSVBS > LVDSVT)
- LVDSVBS -= LVDSVT;
-
- LVDSVRS = LVDSVBS + pVBInfo->XG21_LVDSCapList[lvdstableindex].LVDSVFP;
- if (LVDSVRS > LVDSVT)
- LVDSVRS -= LVDSVT;
-
- LVDSVRE = LVDSVRS + pVBInfo->XG21_LVDSCapList[lvdstableindex].LVDSVSYNC;
- if (LVDSVRE > LVDSVT)
- LVDSVRE -= LVDSVT;
-
- LVDSVBE = LVDSVBS + LVDSVT
- - pVBInfo->XG21_LVDSCapList[lvdstableindex].LVDSVDE;
-
- temp = (unsigned char) xgifb_reg_get(pVBInfo->P3d4, 0x11);
- xgifb_reg_set(pVBInfo->P3d4, 0x11, temp & 0x7f); /* Unlock CRTC */
-
- if (!(modeflag & Charx8Dot))
- xgifb_reg_or(pVBInfo->P3c4, 0x1, 0x1);
-
- /* HT SR0B[1:0] CR00 */
- value = (LVDSHT >> 3) - 5;
- xgifb_reg_and_or(pVBInfo->P3c4, 0x0B, ~0x03, (value & 0x300) >> 8);
- xgifb_reg_set(pVBInfo->P3d4, 0x0, (value & 0xFF));
-
- /* HBS SR0B[5:4] CR02 */
- value = (LVDSHBS >> 3) - 1;
- xgifb_reg_and_or(pVBInfo->P3c4, 0x0B, ~0x30, (value & 0x300) >> 4);
- xgifb_reg_set(pVBInfo->P3d4, 0x2, (value & 0xFF));
-
- /* HBE SR0C[1:0] CR05[7] CR03[4:0] */
- value = (LVDSHBE >> 3) - 1;
- xgifb_reg_and_or(pVBInfo->P3c4, 0x0C, ~0x03, (value & 0xC0) >> 6);
- xgifb_reg_and_or(pVBInfo->P3d4, 0x05, ~0x80, (value & 0x20) << 2);
- xgifb_reg_and_or(pVBInfo->P3d4, 0x03, ~0x1F, value & 0x1F);
-
- /* HRS SR0B[7:6] CR04 */
- value = (LVDSHRS >> 3) + 2;
- xgifb_reg_and_or(pVBInfo->P3c4, 0x0B, ~0xC0, (value & 0x300) >> 2);
- xgifb_reg_set(pVBInfo->P3d4, 0x4, (value & 0xFF));
-
- /* Panel HRS SR2F[1:0] SR2E[7:0] */
- value--;
- xgifb_reg_and_or(pVBInfo->P3c4, 0x2F, ~0x03, (value & 0x300) >> 8);
- xgifb_reg_set(pVBInfo->P3c4, 0x2E, (value & 0xFF));
-
- /* HRE SR0C[2] CR05[4:0] */
- value = (LVDSHRE >> 3) + 2;
- xgifb_reg_and_or(pVBInfo->P3c4, 0x0C, ~0x04, (value & 0x20) >> 3);
- xgifb_reg_and_or(pVBInfo->P3d4, 0x05, ~0x1F, value & 0x1F);
-
- /* Panel HRE SR2F[7:2] */
- value--;
- xgifb_reg_and_or(pVBInfo->P3c4, 0x2F, ~0xFC, value << 2);
-
- /* VT SR0A[0] CR07[5][0] CR06 */
- value = LVDSVT - 2;
- xgifb_reg_and_or(pVBInfo->P3c4, 0x0A, ~0x01, (value & 0x400) >> 10);
- xgifb_reg_and_or(pVBInfo->P3d4, 0x07, ~0x20, (value & 0x200) >> 4);
- xgifb_reg_and_or(pVBInfo->P3d4, 0x07, ~0x01, (value & 0x100) >> 8);
- xgifb_reg_set(pVBInfo->P3d4, 0x06, (value & 0xFF));
-
- /* VBS SR0A[2] CR09[5] CR07[3] CR15 */
- value = LVDSVBS - 1;
- xgifb_reg_and_or(pVBInfo->P3c4, 0x0A, ~0x04, (value & 0x400) >> 8);
- xgifb_reg_and_or(pVBInfo->P3d4, 0x09, ~0x20, (value & 0x200) >> 4);
- xgifb_reg_and_or(pVBInfo->P3d4, 0x07, ~0x08, (value & 0x100) >> 5);
- xgifb_reg_set(pVBInfo->P3d4, 0x15, (value & 0xFF));
-
- /* VBE SR0A[4] CR16 */
- value = LVDSVBE - 1;
- xgifb_reg_and_or(pVBInfo->P3c4, 0x0A, ~0x10, (value & 0x100) >> 4);
- xgifb_reg_set(pVBInfo->P3d4, 0x16, (value & 0xFF));
-
- /* VRS SR0A[3] CR7[7][2] CR10 */
- value = LVDSVRS - 1;
- xgifb_reg_and_or(pVBInfo->P3c4, 0x0A, ~0x08, (value & 0x400) >> 7);
- xgifb_reg_and_or(pVBInfo->P3d4, 0x07, ~0x80, (value & 0x200) >> 2);
- xgifb_reg_and_or(pVBInfo->P3d4, 0x07, ~0x04, (value & 0x100) >> 6);
- xgifb_reg_set(pVBInfo->P3d4, 0x10, (value & 0xFF));
-
- /* Panel VRS SR3F[1:0] SR34[7:0] SR33[0] */
- xgifb_reg_and_or(pVBInfo->P3c4, 0x3F, ~0x03, (value & 0x600) >> 9);
- xgifb_reg_set(pVBInfo->P3c4, 0x34, (value >> 1) & 0xFF);
- xgifb_reg_and_or(pVBInfo->P3d4, 0x33, ~0x01, value & 0x01);
-
- /* VRE SR0A[5] CR11[3:0] */
- value = LVDSVRE - 1;
- xgifb_reg_and_or(pVBInfo->P3c4, 0x0A, ~0x20, (value & 0x10) << 1);
- xgifb_reg_and_or(pVBInfo->P3d4, 0x11, ~0x0F, value & 0x0F);
-
- /* Panel VRE SR3F[7:2] *//* SR3F[7] has to be 0, h/w bug */
- xgifb_reg_and_or(pVBInfo->P3c4, 0x3F, ~0xFC, (value << 2) & 0x7C);
-
- for (temp = 0, value = 0; temp < 3; temp++) {
-
- xgifb_reg_and_or(pVBInfo->P3c4, 0x31, ~0x30, value);
- xgifb_reg_set(pVBInfo->P3c4,
- 0x2B,
- pVBInfo->XG21_LVDSCapList[lvdstableindex].
- VCLKData1);
- xgifb_reg_set(pVBInfo->P3c4,
- 0x2C,
- pVBInfo->XG21_LVDSCapList[lvdstableindex].
- VCLKData2);
- value += 0x10;
- }
-
- if (!(modeflag & Charx8Dot)) {
- inb(pVBInfo->P3da); /* reset 3da */
- outb(0x13, pVBInfo->P3c0); /* set index */
- /* set data, panning = 0, shift left 1 dot*/
- outb(0x00, pVBInfo->P3c0);
-
- inb(pVBInfo->P3da); /* Enable Attribute */
- outb(0x20, pVBInfo->P3c0);
-
- inb(pVBInfo->P3da); /* reset 3da */
- }
-
-}
-
-/* no shadow case */
-static void XGI_SetXG27LVDSPara(unsigned short ModeNo,
- unsigned short ModeIdIndex,
- struct vb_device_info *pVBInfo)
+static void xgifb_set_lvds(int chip_id,
+ unsigned short ModeNo,
+ unsigned short ModeIdIndex,
+ struct vb_device_info *pVBInfo)
{
unsigned char temp, Miscdata;
unsigned short xres, yres, modeflag, resindex, lvdstableindex;
@@ -6608,7 +6414,11 @@ static void XGI_SetXG27LVDSPara(unsigned short ModeNo,
/* SR30[5] FP HSync polarity */
xgifb_reg_and_or(pVBInfo->P3c4, 0x30, ~0x20, (temp & 0x40) >> 1);
- XGI_SetXG27FPBits(pVBInfo);
+ if (chip_id == XG27)
+ XGI_SetXG27FPBits(pVBInfo);
+ else
+ XGI_SetXG21FPBits(pVBInfo);
+
resindex = XGI_GetResInfo(ModeNo, ModeIdIndex, pVBInfo);
if (ModeNo <= 0x13) {
xres = pVBInfo->StResInfo[resindex].HTotal;
@@ -6735,9 +6545,18 @@ static void XGI_SetXG27LVDSPara(unsigned short ModeNo,
xgifb_reg_and_or(pVBInfo->P3d4, 0x07, ~0x04, (value & 0x100) >> 6);
xgifb_reg_set(pVBInfo->P3d4, 0x10, (value & 0xFF));
- /* Panel VRS SR35[2:0] SR34[7:0] */
- xgifb_reg_and_or(pVBInfo->P3c4, 0x35, ~0x07, (value & 0x700) >> 8);
- xgifb_reg_set(pVBInfo->P3c4, 0x34, value & 0xFF);
+ if (chip_id == XG27) {
+ /* Panel VRS SR35[2:0] SR34[7:0] */
+ xgifb_reg_and_or(pVBInfo->P3c4, 0x35, ~0x07,
+ (value & 0x700) >> 8);
+ xgifb_reg_set(pVBInfo->P3c4, 0x34, value & 0xFF);
+ } else {
+ /* Panel VRS SR3F[1:0] SR34[7:0] SR33[0] */
+ xgifb_reg_and_or(pVBInfo->P3c4, 0x3F, ~0x03,
+ (value & 0x600) >> 9);
+ xgifb_reg_set(pVBInfo->P3c4, 0x34, (value >> 1) & 0xFF);
+ xgifb_reg_and_or(pVBInfo->P3d4, 0x33, ~0x01, value & 0x01);
+ }
/* VRE SR0A[5] CR11[3:0] */
value = LVDSVRE - 1;
@@ -6745,7 +6564,13 @@ static void XGI_SetXG27LVDSPara(unsigned short ModeNo,
xgifb_reg_and_or(pVBInfo->P3d4, 0x11, ~0x0F, value & 0x0F);
/* Panel VRE SR3F[7:2] */
- xgifb_reg_and_or(pVBInfo->P3c4, 0x3F, ~0xFC, (value << 2) & 0xFC);
+ if (chip_id == XG27)
+ xgifb_reg_and_or(pVBInfo->P3c4, 0x3F, ~0xFC,
+ (value << 2) & 0xFC);
+ else
+ /* SR3F[7] has to be 0, h/w bug */
+ xgifb_reg_and_or(pVBInfo->P3c4, 0x3F, ~0xFC,
+ (value << 2) & 0x7C);
for (temp = 0, value = 0; temp < 3; temp++) {
@@ -8237,14 +8062,9 @@ static void XGI_SetCRT1Group(struct xgi_hw_device_info *HwDeviceExtension,
xgifb_set_lcd(HwDeviceExtension->jChipType,
pVBInfo, RefreshRateTableIndex, ModeNo);
- if (pVBInfo->IF_DEF_LVDS == 1) {
- if (HwDeviceExtension->jChipType == XG27)
- XGI_SetXG27LVDSPara(ModeNo,
- ModeIdIndex, pVBInfo);
- else
- XGI_SetXG21LVDSPara(ModeNo,
- ModeIdIndex, pVBInfo);
- }
+ if (pVBInfo->IF_DEF_LVDS == 1)
+ xgifb_set_lvds(HwDeviceExtension->jChipType,
+ ModeNo, ModeIdIndex, pVBInfo);
/* P. ON */
/* xgifb_reg_or(pVBInfo->P3d4, 0x48, 0x20); */
}
--
1.7.2.5
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