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/*
* normal.c:
*
* RAMDAC definition for normal VGA DAC.
* Max dot clock is set at 80 MHz.
*/
#include <stdlib.h>
//#include <stdio.h>
#include "libvga.h"
#include "timing.h"
#include "vgaregs.h"
#include "driver.h" /* for __svgalib_driver_report */
#include "ramdac.h"
#ifdef INCLUDE_NORMAL_DAC_TEST
static int normal_dac_probe(void)
{
return 1;
}
#else
#define normal_dac_probe 0
#endif
#ifdef INCLUDE_NORMAL_DAC
static void normal_dac_init(void)
{
if (__svgalib_driver_report)
printk(KERN_INFO "svgalib: Using Normal VGA RAMDAC.\n");
}
static int normal_dac_map_clock(int bpp, int pixelclock)
{
return pixelclock;
}
static int normal_dac_map_horizontal_crtc(int bpp, int pixelclock, int htiming)
{
return htiming;
}
static void normal_dac_savestate(unsigned char *regs)
{
}
static void normal_dac_restorestate(const unsigned char *regs)
{
}
static void normal_dac_initializestate(unsigned char *regs, int bpp, int colormode,
int pixelclock)
{
/* Nothing to do. */
}
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;
}
DacMethods __svgalib_normal_dac_methods =
{
NORMAL_DAC,
"Normal VGA DAC",
0,
normal_dac_probe,
normal_dac_init,
normal_dac_qualify_cardspecs,
normal_dac_savestate,
normal_dac_restorestate,
normal_dac_initializestate,
0 /* State size. */
};
#endif