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staging: xgifb: delete legacy DAC data 

Delete DAC data for unsupported legacy modes.

Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Aaro Koskinen 2012-04-07 01:14:06 +03:00 committed by Greg Kroah-Hartman
parent a157961ca4
commit 1bb52cc9d5
1 changed files with 33 additions and 86 deletions
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119
drivers/staging/xgifb/vb_setmode.c
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@ -16,36 +16,6 @@
#define IndexMask 0xff
static const unsigned short XGINew_MDA_DAC[] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x15, 0x15, 0x15, 0x15, 0x15, 0x15, 0x15, 0x15,
0x15, 0x15, 0x15, 0x15, 0x15, 0x15, 0x15, 0x15,
0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x15, 0x15, 0x15, 0x15, 0x15, 0x15, 0x15, 0x15,
0x15, 0x15, 0x15, 0x15, 0x15, 0x15, 0x15, 0x15,
0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F};
static const unsigned short XGINew_CGA_DAC[] = {
0x00, 0x10, 0x04, 0x14, 0x01, 0x11, 0x09, 0x15,
0x00, 0x10, 0x04, 0x14, 0x01, 0x11, 0x09, 0x15,
0x2A, 0x3A, 0x2E, 0x3E, 0x2B, 0x3B, 0x2F, 0x3F,
0x2A, 0x3A, 0x2E, 0x3E, 0x2B, 0x3B, 0x2F, 0x3F,
0x00, 0x10, 0x04, 0x14, 0x01, 0x11, 0x09, 0x15,
0x00, 0x10, 0x04, 0x14, 0x01, 0x11, 0x09, 0x15,
0x2A, 0x3A, 0x2E, 0x3E, 0x2B, 0x3B, 0x2F, 0x3F,
0x2A, 0x3A, 0x2E, 0x3E, 0x2B, 0x3B, 0x2F, 0x3F};
static const unsigned short XGINew_EGA_DAC[] = {
0x00, 0x10, 0x04, 0x14, 0x01, 0x11, 0x05, 0x15,
0x20, 0x30, 0x24, 0x34, 0x21, 0x31, 0x25, 0x35,
0x08, 0x18, 0x0C, 0x1C, 0x09, 0x19, 0x0D, 0x1D,
0x28, 0x38, 0x2C, 0x3C, 0x29, 0x39, 0x2D, 0x3D,
0x02, 0x12, 0x06, 0x16, 0x03, 0x13, 0x07, 0x17,
0x22, 0x32, 0x26, 0x36, 0x23, 0x33, 0x27, 0x37,
0x0A, 0x1A, 0x0E, 0x1E, 0x0B, 0x1B, 0x0F, 0x1F,
0x2A, 0x3A, 0x2E, 0x3E, 0x2B, 0x3B, 0x2F, 0x3F};
static const unsigned short XGINew_VGA_DAC[] = {
0x00, 0x10, 0x04, 0x14, 0x01, 0x11, 0x09, 0x15,
0x2A, 0x3A, 0x2E, 0x3E, 0x2B, 0x3B, 0x2F, 0x3F,
@ -1393,34 +1363,13 @@ static void XGI_WriteDAC(unsigned short dl,
static void XGI_LoadDAC(unsigned short ModeNo, unsigned short ModeIdIndex,
struct vb_device_info *pVBInfo)
{
unsigned short data, data2, time, i, j, k, m, n, o, si, di, bx, dl, al,
ah, dh;
const unsigned short *table = NULL;
data = pVBInfo->EModeIDTable[ModeIdIndex].Ext_ModeFlag;
data &= DACInfoFlag;
time = 64;
if (data == 0x00)
table = XGINew_MDA_DAC;
else if (data == 0x08)
table = XGINew_CGA_DAC;
else if (data == 0x10)
table = XGINew_EGA_DAC;
else if (data == 0x18) {
time = 256;
table = XGINew_VGA_DAC;
}
if (time == 256)
j = 16;
else
j = time;
unsigned short data, data2, i, k, m, n, o, si, di, bx, dl, al, ah, dh;
const unsigned short *table = XGINew_VGA_DAC;
outb(0xFF, pVBInfo->P3c6);
outb(0x00, pVBInfo->P3c8);
for (i = 0; i < j; i++) {
for (i = 0; i < 16; i++) {
data = table[i];
for (k = 0; k < 3; k++) {
@ -1437,45 +1386,43 @@ static void XGI_LoadDAC(unsigned short ModeNo, unsigned short ModeIdIndex,
}
}
if (time == 256) {
for (i = 16; i < 32; i++) {
data = table[i];
for (i = 16; i < 32; i++) {
data = table[i];
for (k = 0; k < 3; k++)
outb(data, pVBInfo->P3c9);
}
for (k = 0; k < 3; k++)
outb(data, pVBInfo->P3c9);
}
si = 32;
si = 32;
for (m = 0; m < 9; m++) {
di = si;
bx = si + 0x04;
dl = 0;
for (m = 0; m < 9; m++) {
di = si;
bx = si + 0x04;
dl = 0;
for (n = 0; n < 3; n++) {
for (o = 0; o < 5; o++) {
dh = table[si];
ah = table[di];
al = table[bx];
si++;
XGI_WriteDAC(dl, ah, al, dh, pVBInfo);
}
si -= 2;
for (o = 0; o < 3; o++) {
dh = table[bx];
ah = table[di];
al = table[si];
si--;
XGI_WriteDAC(dl, ah, al, dh, pVBInfo);
}
dl++;
for (n = 0; n < 3; n++) {
for (o = 0; o < 5; o++) {
dh = table[si];
ah = table[di];
al = table[bx];
si++;
XGI_WriteDAC(dl, ah, al, dh, pVBInfo);
}
si += 5;
si -= 2;
for (o = 0; o < 3; o++) {
dh = table[bx];
ah = table[di];
al = table[si];
si--;
XGI_WriteDAC(dl, ah, al, dh, pVBInfo);
}
dl++;
}
si += 5;
}
}