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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 #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[] = { static const unsigned short XGINew_VGA_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,
@ -1393,34 +1363,13 @@ static void XGI_WriteDAC(unsigned short dl,
static void XGI_LoadDAC(unsigned short ModeNo, unsigned short ModeIdIndex, static void XGI_LoadDAC(unsigned short ModeNo, unsigned short ModeIdIndex,
struct vb_device_info *pVBInfo) struct vb_device_info *pVBInfo)
{ {
unsigned short data, data2, time, i, j, k, m, n, o, si, di, bx, dl, al, unsigned short data, data2, i, k, m, n, o, si, di, bx, dl, al, ah, dh;
ah, dh; const unsigned short *table = XGINew_VGA_DAC;
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;
outb(0xFF, pVBInfo->P3c6); outb(0xFF, pVBInfo->P3c6);
outb(0x00, pVBInfo->P3c8); outb(0x00, pVBInfo->P3c8);
for (i = 0; i < j; i++) { for (i = 0; i < 16; i++) {
data = table[i]; data = table[i];
for (k = 0; k < 3; k++) { 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++) {
for (i = 16; i < 32; i++) { data = table[i];
data = table[i];
for (k = 0; k < 3; k++) for (k = 0; k < 3; k++)
outb(data, pVBInfo->P3c9); outb(data, pVBInfo->P3c9);
} }
si = 32; si = 32;
for (m = 0; m < 9; m++) { for (m = 0; m < 9; m++) {
di = si; di = si;
bx = si + 0x04; bx = si + 0x04;
dl = 0; dl = 0;
for (n = 0; n < 3; n++) { for (n = 0; n < 3; n++) {
for (o = 0; o < 5; o++) { for (o = 0; o < 5; o++) {
dh = table[si]; dh = table[si];
ah = table[di]; ah = table[di];
al = table[bx]; al = table[bx];
si++; si++;
XGI_WriteDAC(dl, ah, al, dh, pVBInfo); 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++;
} }
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;
} }
} }