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Code Issues Releases Wiki Activity

save and restore colorkey, to work together with Xv

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git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@2087 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
arpi 2001-10-04 22:25:13 +00:00
parent a187b95c26
commit d6e14e8c5f
1 changed files with 75 additions and 6 deletions
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81
drivers/mga_vid.c
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@ -165,6 +165,11 @@ static struct pci_dev *pci_dev;
static mga_vid_config_t mga_config;
static int colkey_saved=0;
static int colkey_on=0;
static unsigned char colkey_color[4];
static unsigned char colkey_mask[4];
static int mga_irq = -1;
//All register offsets are converted to word aligned offsets (32 bit)
@ -254,13 +259,74 @@ static void mga_vid_frame_sel(int frame)
}
static void mga_vid_write_regs(void)
static void mga_vid_write_regs(int restore)
{
//Make sure internal registers don't get updated until we're done
writel( (readl(mga_mmio_base + VCOUNT)-1)<<16,
mga_mmio_base + BESGLOBCTL);
// color or coordinate keying
if(restore && colkey_saved){
// restore it
colkey_saved=0;
printk("mga_vid: Restoring colorkey (ON: %d %02X:%02X:%02X)\n",
colkey_on,colkey_color[0],colkey_color[1],colkey_color[2]);
// Set color key registers:
writeb( XKEYOPMODE, mga_mmio_base + PALWTADD);
writeb( colkey_on, mga_mmio_base + X_DATAREG);
writeb( XCOLKEY0RED, mga_mmio_base + PALWTADD);
writeb( colkey_color[0], mga_mmio_base + X_DATAREG);
writeb( XCOLKEY0GREEN, mga_mmio_base + PALWTADD);
writeb( colkey_color[1], mga_mmio_base + X_DATAREG);
writeb( XCOLKEY0BLUE, mga_mmio_base + PALWTADD);
writeb( colkey_color[2], mga_mmio_base + X_DATAREG);
writeb( X_COLKEY, mga_mmio_base + PALWTADD);
writeb( colkey_color[3], mga_mmio_base + X_DATAREG);
writeb( XCOLMSK0RED, mga_mmio_base + PALWTADD);
writeb( colkey_mask[0], mga_mmio_base + X_DATAREG);
writeb( XCOLMSK0GREEN, mga_mmio_base + PALWTADD);
writeb( colkey_mask[1], mga_mmio_base + X_DATAREG);
writeb( XCOLMSK0BLUE, mga_mmio_base + PALWTADD);
writeb( colkey_mask[2], mga_mmio_base + X_DATAREG);
writeb( XCOLMSK, mga_mmio_base + PALWTADD);
writeb( colkey_mask[3], mga_mmio_base + X_DATAREG);
} else if(!colkey_saved){
// save it
colkey_saved=1;
// Get color key registers:
writeb( XKEYOPMODE, mga_mmio_base + PALWTADD);
colkey_on=(unsigned char)readb(mga_mmio_base + X_DATAREG) & 1;
writeb( XCOLKEY0RED, mga_mmio_base + PALWTADD);
colkey_color[0]=(unsigned char)readb(mga_mmio_base + X_DATAREG);
writeb( XCOLKEY0GREEN, mga_mmio_base + PALWTADD);
colkey_color[1]=(unsigned char)readb(mga_mmio_base + X_DATAREG);
writeb( XCOLKEY0BLUE, mga_mmio_base + PALWTADD);
colkey_color[2]=(unsigned char)readb(mga_mmio_base + X_DATAREG);
writeb( X_COLKEY, mga_mmio_base + PALWTADD);
colkey_color[3]=(unsigned char)readb(mga_mmio_base + X_DATAREG);
writeb( XCOLMSK0RED, mga_mmio_base + PALWTADD);
colkey_mask[0]=(unsigned char)readb(mga_mmio_base + X_DATAREG);
writeb( XCOLMSK0GREEN, mga_mmio_base + PALWTADD);
colkey_mask[1]=(unsigned char)readb(mga_mmio_base + X_DATAREG);
writeb( XCOLMSK0BLUE, mga_mmio_base + PALWTADD);
colkey_mask[2]=(unsigned char)readb(mga_mmio_base + X_DATAREG);
writeb( XCOLMSK, mga_mmio_base + PALWTADD);
colkey_mask[3]=(unsigned char)readb(mga_mmio_base + X_DATAREG);
printk("mga_vid: Saved colorkey (ON: %d %02X:%02X:%02X)\n",
colkey_on,colkey_color[0],colkey_color[1],colkey_color[2]);
}
if(!restore){
writeb( XKEYOPMODE, mga_mmio_base + PALWTADD);
writeb( mga_config.colkey_on, mga_mmio_base + X_DATAREG);
if ( mga_config.colkey_on )
@ -302,6 +368,7 @@ static void mga_vid_write_regs(void)
writeb( X_COLKEY, mga_mmio_base + PALWTADD);
writeb( 0x00, mga_mmio_base + X_DATAREG);
// Set up color key registers
writeb( XCOLKEY0RED, mga_mmio_base + PALWTADD);
writeb( r, mga_mmio_base + X_DATAREG);
@ -319,6 +386,8 @@ static void mga_vid_write_regs(void)
writeb( 0xff, mga_mmio_base + X_DATAREG);
}
}
// Backend Scaler
writel( regs.besctl, mga_mmio_base + BESCTL);
if(is_g400)
@ -527,7 +596,7 @@ if(config->format==MGA_VID_FORMAT_YV12
regs.besv2wght = regs.besv1wght = (weights << 16) + ((weight & 0x3FFF) << 2);
regs.besv2srclst = regs.besv1srclst = sh - 1 - (((ofstop * regs.besviscal) >> 16) & 0x03FF);
mga_vid_write_regs();
mga_vid_write_regs(0);
return 0;
}
@ -687,7 +756,7 @@ static int mga_vid_ioctl(struct inode *inode, struct file *file, unsigned int cm
if(vid_overlay_on)
{
regs.besctl |= 1;
mga_vid_write_regs();
mga_vid_write_regs(0);
}
#ifdef MGA_ALLOW_IRQ
if ( mga_irq != -1 ) enable_irq();
@ -703,7 +772,7 @@ static int mga_vid_ioctl(struct inode *inode, struct file *file, unsigned int cm
#endif
regs.besctl &= ~1;
regs.besglobctl &= ~(1<<6); // UYVY format selected
mga_vid_write_regs();
mga_vid_write_regs(0);
break;
case MGA_VID_FSEL:
@ -879,8 +948,8 @@ static int mga_vid_release(struct inode *inode, struct file *file)
vid_src_ready = 0;
regs.besctl &= ~1;
regs.besglobctl &= ~(1<<6); // UYVY format selected
mga_config.colkey_on=0; //!!!
mga_vid_write_regs();
// mga_config.colkey_on=0; //!!!
mga_vid_write_regs(1);
mga_vid_in_use = 0;
MOD_DEC_USE_COUNT;