static void normal_dac_qualify_cardspecs(CardSpecs * cardspecs, int dacspeed)
{
dacspeed = __svgalib_setDacSpeed(dacspeed, 80000);
cardspecs->maxPixelClock4bpp = dacspeed;
cardspecs->maxPixelClock8bpp = dacspeed;
cardspecs->maxPixelClock16bpp = 0;
cardspecs->maxPixelClock24bpp = 0;
cardspecs->maxPixelClock32bpp = 0;
cardspecs->mapClock = normal_dac_map_clock;
cardspecs->mapHorizontalCrtc = normal_dac_map_horizontal_crtc;
}
static void ICW_qualify_cardspecs(CardSpecs * cardspecs, int dacspeed)
{
dacspeed = __svgalib_setDacSpeed(dacspeed, 110000);
cardspecs->maxPixelClock4bpp = 0;
cardspecs->maxPixelClock8bpp = dacspeed;
cardspecs->maxPixelClock16bpp = dacspeed;
cardspecs->maxPixelClock24bpp = dacspeed * 2 / 3;
cardspecs->maxPixelClock32bpp = dacspeed / 2;
cardspecs->mapClock = ICW_map_clock;
cardspecs->mapHorizontalCrtc = ICW_map_horizontal_crtc;
}
static void GENDAC_qualify_cardspecs(CardSpecs * cardspecs, int dacspeed)
{
dacspeed = __svgalib_setDacSpeed(dacspeed, 110000);
cardspecs->maxPixelClock4bpp = dacspeed;
cardspecs->maxPixelClock8bpp = dacspeed;
cardspecs->maxPixelClock16bpp = dacspeed / 2;
cardspecs->maxPixelClock24bpp = dacspeed / 3;
cardspecs->maxPixelClock32bpp = 0;
cardspecs->mapClock = GENDAC_map_clock;
cardspecs->matchProgrammableClock = GENDAC_match_programmable_clock;
cardspecs->mapHorizontalCrtc = GENDAC_map_horizontal_crtc;
cardspecs->flags |= CLOCK_PROGRAMMABLE;
}
int pixelclock)
{
regs[0] = 0;
if (colormode == CLUT8_8)
regs[0] = 0x02;
if (colormode == RGB16_555)
regs[0] = 0x10;
if (colormode == RGB16_565)
regs[0] = 0x30;
if (colormode == RGB32_888_B)
regs[0] = 0x50;
}
static void 485_qualify_cardspecs(CardSpecs * cardspecs, int dacspeed)
{
dacspeed = __svgalib_setDacSpeed(dacspeed, 135000);
cardspecs->maxPixelClock4bpp = 0;
cardspecs->maxPixelClock8bpp = dacspeed;
cardspecs->maxPixelClock16bpp = dacspeed;
cardspecs->maxPixelClock24bpp = 0;
cardspecs->maxPixelClock32bpp = dacspeed ;
cardspecs->mapClock = bt485_map_clock;
cardspecs->mapHorizontalCrtc = att20c498_map_horizontal_crtc;
}
DacMethods __svgalib_BT485_methods =
{
BT485,
"BT485 DAC",
0,
bt485_probe,
