Skip to content

Commit

Permalink
staging: xgifb: refactor XGI_SetXG21LVDSPara() and XGI_SetXG27LVDSPara()
Browse files Browse the repository at this point in the history 
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>
  • Loading branch information
Aaro Koskinen authored and Greg Kroah-Hartman committed Sep 6, 2011
1 parent 105d8d0 commit 64db29f
Showing 1 changed file with 31 additions and 211 deletions.
242 changes: 31 additions & 211 deletions drivers/staging/xgifb/vb_setmode.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -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;
Expand All @@ -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;
Expand Down Expand Up @@ -6735,17 +6545,32 @@ 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;
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] */
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++) {

Expand Down Expand Up @@ -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); */
}
Expand Down

0 comments on commit 64db29f

Please sign in to comment.