From 1bb52cc9d590a4ba61b716db81643d0c89b8e810 Mon Sep 17 00:00:00 2001 From: Aaro Koskinen Date: Sat, 7 Apr 2012 01:14:06 +0300 Subject: [PATCH] staging: xgifb: delete legacy DAC data Delete DAC data for unsupported legacy modes. Signed-off-by: Aaro Koskinen Signed-off-by: Greg Kroah-Hartman --- drivers/staging/xgifb/vb_setmode.c | 115 ++++++++++--------------------------- 1 file changed, 31 insertions(+), 84 deletions(-) diff --git a/drivers/staging/xgifb/vb_setmode.c b/drivers/staging/xgifb/vb_setmode.c index 109d75d..c892e0f 100644 --- a/drivers/staging/xgifb/vb_setmode.c +++ b/drivers/staging/xgifb/vb_setmode.c @@ -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 (k = 0; k < 3; k++) - outb(data, pVBInfo->P3c9); - } + for (i = 16; i < 32; i++) { + data = table[i]; - si = 32; + for (k = 0; k < 3; k++) + outb(data, pVBInfo->P3c9); + } - for (m = 0; m < 9; m++) { - di = si; - bx = si + 0x04; - dl = 0; + si = 32; - 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); - } + for (m = 0; m < 9; m++) { + di = si; + bx = si + 0x04; + dl = 0; - si -= 2; + 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); + } - for (o = 0; o < 3; o++) { - dh = table[bx]; - ah = table[di]; - al = table[si]; - si--; - XGI_WriteDAC(dl, ah, al, dh, pVBInfo); - } + si -= 2; - dl++; + for (o = 0; o < 3; o++) { + dh = table[bx]; + ah = table[di]; + al = table[si]; + si--; + XGI_WriteDAC(dl, ah, al, dh, pVBInfo); } - si += 5; + dl++; } + + si += 5; } } -- 2.7.4