shutdown INT registerprogramming, INT routine returns no INT detected status.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9842 a95241bf-73f2-0310-859d-f6bbb57e9c96
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@ -4,7 +4,7 @@
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Other authors:
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Mark Watson;
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Rudolf Cornelissen 3/2002-9/2004.
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Rudolf Cornelissen 3/2002-11/2004.
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*/
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/* standard kernel driver stuff */
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@ -143,33 +143,34 @@ static void dumprom (void *rom, uint32 size)
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/* return 1 if vblank interrupt has occured */
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static int caused_vbi(vuint32 * regs)
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{
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return (ENG_RG32(RG32_CRTC_INTS) & 0x00000001);
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// return (ENG_RG32(RG32_CRTC_INTS) & 0x00000001);
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return 0;
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}
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/* clear the vblank interrupt */
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static void clear_vbi(vuint32 * regs)
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{
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ENG_RG32(RG32_CRTC_INTS) = 0x00000001;
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// ENG_RG32(RG32_CRTC_INTS) = 0x00000001;
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}
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static void enable_vbi(vuint32 * regs)
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{
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/* clear the vblank interrupt */
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ENG_RG32(RG32_CRTC_INTS) = 0x00000001;
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// ENG_RG32(RG32_CRTC_INTS) = 0x00000001;
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/* enable nVidia interrupt source vblank */
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ENG_RG32(RG32_CRTC_INTE) |= 0x00000001;
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// ENG_RG32(RG32_CRTC_INTE) |= 0x00000001;
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/* enable nVidia interrupt system hardware (b0-1) */
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ENG_RG32(RG32_MAIN_INTE) = 0x00000001;
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// ENG_RG32(RG32_MAIN_INTE) = 0x00000001;
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}
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static void disable_vbi(vuint32 * regs)
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{
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/* disable nVidia interrupt source vblank */
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ENG_RG32(RG32_CRTC_INTE) &= 0xfffffffe;
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// ENG_RG32(RG32_CRTC_INTE) &= 0xfffffffe;
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/* clear the vblank interrupt */
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ENG_RG32(RG32_CRTC_INTS) = 0x00000001;
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// ENG_RG32(RG32_CRTC_INTS) = 0x00000001;
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/* disable nVidia interrupt system hardware (b0-1) */
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ENG_RG32(RG32_MAIN_INTE) = 0x00000000;
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// ENG_RG32(RG32_MAIN_INTE) = 0x00000000;
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}
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/*
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