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shutdown INT registerprogramming, INT routine returns no INT detected status.

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git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9842 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Rudolf Cornelissen
2004-11-08 09:40:28 +00:00
parent bdbaf03861
commit 9ef9c745d2
1 changed files with 10 additions and 9 deletions
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src/add-ons/kernel/drivers/graphics/skeleton/driver.c
+10 -9
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@@ -4,7 +4,7 @@
Other authors: Other authors:
Mark Watson; Mark Watson;
Rudolf Cornelissen 3/2002-9/2004. Rudolf Cornelissen 3/2002-11/2004.
*/ */
/* standard kernel driver stuff */ /* standard kernel driver stuff */
@@ -143,33 +143,34 @@ static void dumprom (void *rom, uint32 size)
/* return 1 if vblank interrupt has occured */ /* return 1 if vblank interrupt has occured */
static int caused_vbi(vuint32 * regs) static int caused_vbi(vuint32 * regs)
{ {
return (ENG_RG32(RG32_CRTC_INTS) & 0x00000001); // return (ENG_RG32(RG32_CRTC_INTS) & 0x00000001);
return 0;
} }
/* clear the vblank interrupt */ /* clear the vblank interrupt */
static void clear_vbi(vuint32 * regs) static void clear_vbi(vuint32 * regs)
{ {
ENG_RG32(RG32_CRTC_INTS) = 0x00000001; // ENG_RG32(RG32_CRTC_INTS) = 0x00000001;
} }
static void enable_vbi(vuint32 * regs) static void enable_vbi(vuint32 * regs)
{ {
/* clear the vblank interrupt */ /* clear the vblank interrupt */
ENG_RG32(RG32_CRTC_INTS) = 0x00000001; // ENG_RG32(RG32_CRTC_INTS) = 0x00000001;
/* enable nVidia interrupt source vblank */ /* enable nVidia interrupt source vblank */
ENG_RG32(RG32_CRTC_INTE) |= 0x00000001; // ENG_RG32(RG32_CRTC_INTE) |= 0x00000001;
/* enable nVidia interrupt system hardware (b0-1) */ /* enable nVidia interrupt system hardware (b0-1) */
ENG_RG32(RG32_MAIN_INTE) = 0x00000001; // ENG_RG32(RG32_MAIN_INTE) = 0x00000001;
} }
static void disable_vbi(vuint32 * regs) static void disable_vbi(vuint32 * regs)
{ {
/* disable nVidia interrupt source vblank */ /* disable nVidia interrupt source vblank */
ENG_RG32(RG32_CRTC_INTE) &= 0xfffffffe; // ENG_RG32(RG32_CRTC_INTE) &= 0xfffffffe;
/* clear the vblank interrupt */ /* clear the vblank interrupt */
ENG_RG32(RG32_CRTC_INTS) = 0x00000001; // ENG_RG32(RG32_CRTC_INTS) = 0x00000001;
/* disable nVidia interrupt system hardware (b0-1) */ /* disable nVidia interrupt system hardware (b0-1) */
ENG_RG32(RG32_MAIN_INTE) = 0x00000000; // ENG_RG32(RG32_MAIN_INTE) = 0x00000000;
} }
/* /*