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vide EQ fixed - lumactl register is not readable!

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git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@6806 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
arpi 2002-07-25 22:52:51 +00:00
parent 4bc99b6f96
commit 08cf98b3f2
1 changed files with 20 additions and 19 deletions
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39
vidix/drivers/mga_vid.c
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@ -1435,11 +1435,6 @@ int vixSetGrKeys(const vidix_grkey_t *grkey)
int vixPlaybackSetEq( const vidix_video_eq_t * eq)
{
uint32_t luma = 0;
float factor = 256.0 / 2000;
static int32_t prev_br = 0;
static int32_t prev_c = 0;
/* contrast and brightness control isn't supported on G200 - alex */
if (!is_g400)
{
@ -1447,22 +1442,27 @@ int vixPlaybackSetEq( const vidix_video_eq_t * eq)
return(ENOTSUP);
}
if (eq->cap & VEQ_CAP_BRIGHTNESS) { prev_br=eq->brightness; if ( prev_br == 1000 ) prev_br=999; }
if (eq->cap & VEQ_CAP_CONTRAST) { prev_c=eq->contrast; if ( prev_c == 1000 ) prev_c=999; }
luma = ((int)(prev_br * factor) << 16) + ((int)(prev_c * factor) & 0xFFFF);
regs.beslumactl = luma+0x80;
// only brightness&contrast are supported:
if(!(eq->cap & (VEQ_CAP_BRIGHTNESS|VEQ_CAP_CONTRAST)))
return(ENOTSUP);
//regs.beslumactl = readl(mga_mmio_base + BESLUMACTL);
// printf("LUMA = %08X \n",regs.beslumactl);
if (eq->cap & VEQ_CAP_BRIGHTNESS) {
regs.beslumactl &= 0xFFFF;
regs.beslumactl |= (eq->brightness*255/2000)<<16;
}
if (eq->cap & VEQ_CAP_CONTRAST) {
regs.beslumactl &= 0xFFFF0000;
regs.beslumactl |= (128+eq->contrast*255/2000)&0xFFFF;
}
writel(regs.beslumactl,mga_mmio_base + BESLUMACTL);
return(0);
}
int vixPlaybackGetEq( vidix_video_eq_t * eq)
{
uint32_t luma;
float factor = 2000.0 / 256;
/* contrast and brightness control isn't supported on G200 - alex */
if (!is_g400)
{
@ -1470,12 +1470,13 @@ int vixPlaybackGetEq( vidix_video_eq_t * eq)
return(ENOTSUP);
}
regs.beslumactl = readl(mga_mmio_base + BESLUMACTL);
luma = regs.beslumactl-0x80;
// regs.beslumactl = readl(mga_mmio_base + BESLUMACTL);
eq->brightness = (signed short int)(luma >> 16) * factor;
eq->contrast = (signed short int)(luma & 0xFFFF) * factor;
eq->brightness = (signed short int)(regs.beslumactl >> 16) * 1000 / 128;
eq->contrast = (signed short int)(regs.beslumactl & 0xFFFF) * 1000 / 128 - 1000;
eq->cap = VEQ_CAP_BRIGHTNESS | VEQ_CAP_CONTRAST;
printf("MGA GET_EQ: br=%d c=%d \n",eq->brightness,eq->contrast);
return(0);
}