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>
This commit is contained in:
Aaro Koskinen
Greg Kroah-Hartman
parent
105d8d0d90
commit
64db29f5f6
@ -6387,204 +6387,10 @@ void XGI_SetXG27FPBits(struct vb_device_info *pVBInfo)
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}
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static void XGI_SetXG21LVDSPara(unsigned short ModeNo,
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unsigned short ModeIdIndex,
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struct vb_device_info *pVBInfo)
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{
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unsigned char temp, Miscdata;
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unsigned short xres, yres, modeflag, resindex, lvdstableindex;
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unsigned short LVDSHT, LVDSHBS, LVDSHRS, LVDSHRE, LVDSHBE;
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unsigned short LVDSVT, LVDSVBS, LVDSVRS, LVDSVRE, LVDSVBE;
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unsigned short value;
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lvdstableindex = XGI_GetLVDSOEMTableIndex(pVBInfo);
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temp = (unsigned char) ((pVBInfo->XG21_LVDSCapList[lvdstableindex].
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LVDS_Capability &
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(LCDPolarity << 8)) >> 8);
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temp &= LCDPolarity;
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Miscdata = (unsigned char) inb(pVBInfo->P3cc);
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outb((Miscdata & 0x3F) | temp, pVBInfo->P3c2);
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temp = (unsigned char) (pVBInfo->XG21_LVDSCapList[lvdstableindex].
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LVDS_Capability & LCDPolarity);
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/* SR35[7] FP VSync polarity */
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xgifb_reg_and_or(pVBInfo->P3c4, 0x35, ~0x80, temp & 0x80);
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/* SR30[5] FP HSync polarity */
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xgifb_reg_and_or(pVBInfo->P3c4, 0x30, ~0x20, (temp & 0x40) >> 1);
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XGI_SetXG21FPBits(pVBInfo);
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resindex = XGI_GetResInfo(ModeNo, ModeIdIndex, pVBInfo);
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if (ModeNo <= 0x13) {
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xres = pVBInfo->StResInfo[resindex].HTotal;
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yres = pVBInfo->StResInfo[resindex].VTotal;
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/* si+St_ResInfo */
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modeflag = pVBInfo->SModeIDTable[ModeIdIndex].St_ModeFlag;
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} else {
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xres = pVBInfo->ModeResInfo[resindex].HTotal; /* xres->ax */
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yres = pVBInfo->ModeResInfo[resindex].VTotal; /* yres->bx */
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/* si+St_ModeFlag */
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modeflag = pVBInfo->EModeIDTable[ModeIdIndex].Ext_ModeFlag;
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}
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if (!(modeflag & Charx8Dot))
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xres = xres * 8 / 9;
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LVDSHT = pVBInfo->XG21_LVDSCapList[lvdstableindex].LVDSHT;
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LVDSHBS = xres + (pVBInfo->XG21_LVDSCapList[lvdstableindex].LVDSHDE
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- xres) / 2;
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if ((ModeNo <= 0x13) && (modeflag & HalfDCLK))
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LVDSHBS -= xres / 4;
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if (LVDSHBS > LVDSHT)
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LVDSHBS -= LVDSHT;
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LVDSHRS = LVDSHBS + pVBInfo->XG21_LVDSCapList[lvdstableindex].LVDSHFP;
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if (LVDSHRS > LVDSHT)
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LVDSHRS -= LVDSHT;
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LVDSHRE = LVDSHRS + pVBInfo->XG21_LVDSCapList[lvdstableindex].LVDSHSYNC;
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if (LVDSHRE > LVDSHT)
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LVDSHRE -= LVDSHT;
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LVDSHBE = LVDSHBS + LVDSHT
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- pVBInfo->XG21_LVDSCapList[lvdstableindex].LVDSHDE;
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LVDSVT = pVBInfo->XG21_LVDSCapList[lvdstableindex].LVDSVT;
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LVDSVBS = yres + (pVBInfo->XG21_LVDSCapList[lvdstableindex].LVDSVDE
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- yres) / 2;
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if ((ModeNo > 0x13) && (modeflag & DoubleScanMode))
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LVDSVBS += yres / 2;
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if (LVDSVBS > LVDSVT)
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LVDSVBS -= LVDSVT;
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LVDSVRS = LVDSVBS + pVBInfo->XG21_LVDSCapList[lvdstableindex].LVDSVFP;
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if (LVDSVRS > LVDSVT)
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LVDSVRS -= LVDSVT;
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LVDSVRE = LVDSVRS + pVBInfo->XG21_LVDSCapList[lvdstableindex].LVDSVSYNC;
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if (LVDSVRE > LVDSVT)
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LVDSVRE -= LVDSVT;
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LVDSVBE = LVDSVBS + LVDSVT
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- pVBInfo->XG21_LVDSCapList[lvdstableindex].LVDSVDE;
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temp = (unsigned char) xgifb_reg_get(pVBInfo->P3d4, 0x11);
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xgifb_reg_set(pVBInfo->P3d4, 0x11, temp & 0x7f); /* Unlock CRTC */
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if (!(modeflag & Charx8Dot))
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xgifb_reg_or(pVBInfo->P3c4, 0x1, 0x1);
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/* HT SR0B[1:0] CR00 */
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value = (LVDSHT >> 3) - 5;
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xgifb_reg_and_or(pVBInfo->P3c4, 0x0B, ~0x03, (value & 0x300) >> 8);
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xgifb_reg_set(pVBInfo->P3d4, 0x0, (value & 0xFF));
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/* HBS SR0B[5:4] CR02 */
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value = (LVDSHBS >> 3) - 1;
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xgifb_reg_and_or(pVBInfo->P3c4, 0x0B, ~0x30, (value & 0x300) >> 4);
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xgifb_reg_set(pVBInfo->P3d4, 0x2, (value & 0xFF));
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/* HBE SR0C[1:0] CR05[7] CR03[4:0] */
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value = (LVDSHBE >> 3) - 1;
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xgifb_reg_and_or(pVBInfo->P3c4, 0x0C, ~0x03, (value & 0xC0) >> 6);
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xgifb_reg_and_or(pVBInfo->P3d4, 0x05, ~0x80, (value & 0x20) << 2);
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xgifb_reg_and_or(pVBInfo->P3d4, 0x03, ~0x1F, value & 0x1F);
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/* HRS SR0B[7:6] CR04 */
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value = (LVDSHRS >> 3) + 2;
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xgifb_reg_and_or(pVBInfo->P3c4, 0x0B, ~0xC0, (value & 0x300) >> 2);
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xgifb_reg_set(pVBInfo->P3d4, 0x4, (value & 0xFF));
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/* Panel HRS SR2F[1:0] SR2E[7:0] */
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value--;
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xgifb_reg_and_or(pVBInfo->P3c4, 0x2F, ~0x03, (value & 0x300) >> 8);
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xgifb_reg_set(pVBInfo->P3c4, 0x2E, (value & 0xFF));
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/* HRE SR0C[2] CR05[4:0] */
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value = (LVDSHRE >> 3) + 2;
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xgifb_reg_and_or(pVBInfo->P3c4, 0x0C, ~0x04, (value & 0x20) >> 3);
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xgifb_reg_and_or(pVBInfo->P3d4, 0x05, ~0x1F, value & 0x1F);
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/* Panel HRE SR2F[7:2] */
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value--;
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xgifb_reg_and_or(pVBInfo->P3c4, 0x2F, ~0xFC, value << 2);
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/* VT SR0A[0] CR07[5][0] CR06 */
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value = LVDSVT - 2;
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xgifb_reg_and_or(pVBInfo->P3c4, 0x0A, ~0x01, (value & 0x400) >> 10);
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xgifb_reg_and_or(pVBInfo->P3d4, 0x07, ~0x20, (value & 0x200) >> 4);
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xgifb_reg_and_or(pVBInfo->P3d4, 0x07, ~0x01, (value & 0x100) >> 8);
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xgifb_reg_set(pVBInfo->P3d4, 0x06, (value & 0xFF));
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/* VBS SR0A[2] CR09[5] CR07[3] CR15 */
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value = LVDSVBS - 1;
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xgifb_reg_and_or(pVBInfo->P3c4, 0x0A, ~0x04, (value & 0x400) >> 8);
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xgifb_reg_and_or(pVBInfo->P3d4, 0x09, ~0x20, (value & 0x200) >> 4);
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xgifb_reg_and_or(pVBInfo->P3d4, 0x07, ~0x08, (value & 0x100) >> 5);
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xgifb_reg_set(pVBInfo->P3d4, 0x15, (value & 0xFF));
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/* VBE SR0A[4] CR16 */
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value = LVDSVBE - 1;
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xgifb_reg_and_or(pVBInfo->P3c4, 0x0A, ~0x10, (value & 0x100) >> 4);
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xgifb_reg_set(pVBInfo->P3d4, 0x16, (value & 0xFF));
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/* VRS SR0A[3] CR7[7][2] CR10 */
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value = LVDSVRS - 1;
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xgifb_reg_and_or(pVBInfo->P3c4, 0x0A, ~0x08, (value & 0x400) >> 7);
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xgifb_reg_and_or(pVBInfo->P3d4, 0x07, ~0x80, (value & 0x200) >> 2);
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xgifb_reg_and_or(pVBInfo->P3d4, 0x07, ~0x04, (value & 0x100) >> 6);
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xgifb_reg_set(pVBInfo->P3d4, 0x10, (value & 0xFF));
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/* Panel VRS SR3F[1:0] SR34[7:0] SR33[0] */
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xgifb_reg_and_or(pVBInfo->P3c4, 0x3F, ~0x03, (value & 0x600) >> 9);
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xgifb_reg_set(pVBInfo->P3c4, 0x34, (value >> 1) & 0xFF);
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xgifb_reg_and_or(pVBInfo->P3d4, 0x33, ~0x01, value & 0x01);
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/* VRE SR0A[5] CR11[3:0] */
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value = LVDSVRE - 1;
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xgifb_reg_and_or(pVBInfo->P3c4, 0x0A, ~0x20, (value & 0x10) << 1);
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xgifb_reg_and_or(pVBInfo->P3d4, 0x11, ~0x0F, value & 0x0F);
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/* Panel VRE SR3F[7:2] *//* SR3F[7] has to be 0, h/w bug */
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xgifb_reg_and_or(pVBInfo->P3c4, 0x3F, ~0xFC, (value << 2) & 0x7C);
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for (temp = 0, value = 0; temp < 3; temp++) {
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xgifb_reg_and_or(pVBInfo->P3c4, 0x31, ~0x30, value);
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xgifb_reg_set(pVBInfo->P3c4,
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0x2B,
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pVBInfo->XG21_LVDSCapList[lvdstableindex].
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VCLKData1);
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xgifb_reg_set(pVBInfo->P3c4,
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0x2C,
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pVBInfo->XG21_LVDSCapList[lvdstableindex].
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VCLKData2);
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value += 0x10;
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}
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if (!(modeflag & Charx8Dot)) {
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inb(pVBInfo->P3da); /* reset 3da */
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outb(0x13, pVBInfo->P3c0); /* set index */
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/* set data, panning = 0, shift left 1 dot*/
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outb(0x00, pVBInfo->P3c0);
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inb(pVBInfo->P3da); /* Enable Attribute */
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outb(0x20, pVBInfo->P3c0);
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inb(pVBInfo->P3da); /* reset 3da */
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}
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}
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/* no shadow case */
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static void XGI_SetXG27LVDSPara(unsigned short ModeNo,
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unsigned short ModeIdIndex,
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struct vb_device_info *pVBInfo)
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static void xgifb_set_lvds(int chip_id,
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unsigned short ModeNo,
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unsigned short ModeIdIndex,
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struct vb_device_info *pVBInfo)
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{
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unsigned char temp, Miscdata;
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unsigned short xres, yres, modeflag, resindex, lvdstableindex;
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@ -6608,7 +6414,11 @@ static void XGI_SetXG27LVDSPara(unsigned short ModeNo,
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/* SR30[5] FP HSync polarity */
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xgifb_reg_and_or(pVBInfo->P3c4, 0x30, ~0x20, (temp & 0x40) >> 1);
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XGI_SetXG27FPBits(pVBInfo);
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if (chip_id == XG27)
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XGI_SetXG27FPBits(pVBInfo);
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else
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XGI_SetXG21FPBits(pVBInfo);
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resindex = XGI_GetResInfo(ModeNo, ModeIdIndex, pVBInfo);
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if (ModeNo <= 0x13) {
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xres = pVBInfo->StResInfo[resindex].HTotal;
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@ -6735,9 +6545,18 @@ static void XGI_SetXG27LVDSPara(unsigned short ModeNo,
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xgifb_reg_and_or(pVBInfo->P3d4, 0x07, ~0x04, (value & 0x100) >> 6);
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xgifb_reg_set(pVBInfo->P3d4, 0x10, (value & 0xFF));
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/* Panel VRS SR35[2:0] SR34[7:0] */
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xgifb_reg_and_or(pVBInfo->P3c4, 0x35, ~0x07, (value & 0x700) >> 8);
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xgifb_reg_set(pVBInfo->P3c4, 0x34, value & 0xFF);
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if (chip_id == XG27) {
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/* Panel VRS SR35[2:0] SR34[7:0] */
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xgifb_reg_and_or(pVBInfo->P3c4, 0x35, ~0x07,
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(value & 0x700) >> 8);
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xgifb_reg_set(pVBInfo->P3c4, 0x34, value & 0xFF);
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} else {
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/* Panel VRS SR3F[1:0] SR34[7:0] SR33[0] */
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xgifb_reg_and_or(pVBInfo->P3c4, 0x3F, ~0x03,
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(value & 0x600) >> 9);
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xgifb_reg_set(pVBInfo->P3c4, 0x34, (value >> 1) & 0xFF);
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xgifb_reg_and_or(pVBInfo->P3d4, 0x33, ~0x01, value & 0x01);
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}
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/* VRE SR0A[5] CR11[3:0] */
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value = LVDSVRE - 1;
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@ -6745,7 +6564,13 @@ static void XGI_SetXG27LVDSPara(unsigned short ModeNo,
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xgifb_reg_and_or(pVBInfo->P3d4, 0x11, ~0x0F, value & 0x0F);
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/* Panel VRE SR3F[7:2] */
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xgifb_reg_and_or(pVBInfo->P3c4, 0x3F, ~0xFC, (value << 2) & 0xFC);
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if (chip_id == XG27)
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xgifb_reg_and_or(pVBInfo->P3c4, 0x3F, ~0xFC,
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(value << 2) & 0xFC);
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else
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/* SR3F[7] has to be 0, h/w bug */
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xgifb_reg_and_or(pVBInfo->P3c4, 0x3F, ~0xFC,
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(value << 2) & 0x7C);
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for (temp = 0, value = 0; temp < 3; temp++) {
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@ -8237,14 +8062,9 @@ static void XGI_SetCRT1Group(struct xgi_hw_device_info *HwDeviceExtension,
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xgifb_set_lcd(HwDeviceExtension->jChipType,
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pVBInfo, RefreshRateTableIndex, ModeNo);
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if (pVBInfo->IF_DEF_LVDS == 1) {
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if (HwDeviceExtension->jChipType == XG27)
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XGI_SetXG27LVDSPara(ModeNo,
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ModeIdIndex, pVBInfo);
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else
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XGI_SetXG21LVDSPara(ModeNo,
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ModeIdIndex, pVBInfo);
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}
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if (pVBInfo->IF_DEF_LVDS == 1)
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xgifb_set_lvds(HwDeviceExtension->jChipType,
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ModeNo, ModeIdIndex, pVBInfo);
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/* P. ON */
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/* xgifb_reg_or(pVBInfo->P3d4, 0x48, 0x20); */
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}
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