diff options
author | Aaro Koskinen <aaro.koskinen@iki.fi> | 2011-08-31 18:46:01 (GMT) |
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committer | Greg Kroah-Hartman <gregkh@suse.de> | 2011-09-06 18:42:09 (GMT) |
commit | 64db29f5f6cec54a58a0ff6bc9bc851aec189f8d (patch) | |
tree | 2d1b492094f5d7e2fb9178e68e14ec61fc47150a /drivers/staging/xgifb | |
parent | 105d8d0d904f045aafe114ebb9304308032e7d1b (diff) | |
download | linux-fsl-qoriq-64db29f5f6cec54a58a0ff6bc9bc851aec189f8d.tar.xz |
staging: xgifb: refactor XGI_SetXG21LVDSPara() and XGI_SetXG27LVDSPara()
The code is almost the same for XG21 and XG27, a single routine can
cover both.
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/staging/xgifb')
-rw-r--r-- | 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); */ } |