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authorLinus Torvalds <torvalds@linux-foundation.org>2009-08-19 10:38:36 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-08-19 10:38:36 -0700
commitcad2c8fd9b3afceced08838c87c520e6da417a65 (patch)
tree8da6ce24a55e59bb1b81c75c9835626558f7bbf7 /drivers/gpu/drm/radeon/r100.c
parent4aa2d56b2149e70a0b944b4f21e4aed33d9ab94e (diff)
parent5ef5f72febfea420ce58f670bad83830a5e5e3de (diff)
Merge branch 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6
* 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6: drm/kms: teardown crtc correctly when fb is destroyed. drm/kms/radeon: cleanup combios TV table like DDX. drm/radeon/kms: memset the allocated framebuffer before using it. drm/radeon/kms: although LVDS might be possible on crtc 1 don't do it. drm/radeon/kms: implement bo busy check + current domain drm/radeon/kms: cut down indirects in register accesses. drm/radeon/kms: Fix up vertical blank interrupt support. drm/radeon/kms: add rv530 R300_SU_REG_DEST + reloc for ZPASS_ADDR drm/edid: fixup detailed timings like the X server. drm/radeon/kms: Add specific rs690 authorized register table
Diffstat (limited to 'drivers/gpu/drm/radeon/r100.c')
-rw-r--r--drivers/gpu/drm/radeon/r100.c86
1 files changed, 66 insertions, 20 deletions
diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index f1ba8ff41130..90ff8e0ac04e 100644
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -254,6 +254,72 @@ void r100_mc_fini(struct radeon_device *rdev)
/*
+ * Interrupts
+ */
+int r100_irq_set(struct radeon_device *rdev)
+{
+ uint32_t tmp = 0;
+
+ if (rdev->irq.sw_int) {
+ tmp |= RADEON_SW_INT_ENABLE;
+ }
+ if (rdev->irq.crtc_vblank_int[0]) {
+ tmp |= RADEON_CRTC_VBLANK_MASK;
+ }
+ if (rdev->irq.crtc_vblank_int[1]) {
+ tmp |= RADEON_CRTC2_VBLANK_MASK;
+ }
+ WREG32(RADEON_GEN_INT_CNTL, tmp);
+ return 0;
+}
+
+static inline uint32_t r100_irq_ack(struct radeon_device *rdev)
+{
+ uint32_t irqs = RREG32(RADEON_GEN_INT_STATUS);
+ uint32_t irq_mask = RADEON_SW_INT_TEST | RADEON_CRTC_VBLANK_STAT |
+ RADEON_CRTC2_VBLANK_STAT;
+
+ if (irqs) {
+ WREG32(RADEON_GEN_INT_STATUS, irqs);
+ }
+ return irqs & irq_mask;
+}
+
+int r100_irq_process(struct radeon_device *rdev)
+{
+ uint32_t status;
+
+ status = r100_irq_ack(rdev);
+ if (!status) {
+ return IRQ_NONE;
+ }
+ while (status) {
+ /* SW interrupt */
+ if (status & RADEON_SW_INT_TEST) {
+ radeon_fence_process(rdev);
+ }
+ /* Vertical blank interrupts */
+ if (status & RADEON_CRTC_VBLANK_STAT) {
+ drm_handle_vblank(rdev->ddev, 0);
+ }
+ if (status & RADEON_CRTC2_VBLANK_STAT) {
+ drm_handle_vblank(rdev->ddev, 1);
+ }
+ status = r100_irq_ack(rdev);
+ }
+ return IRQ_HANDLED;
+}
+
+u32 r100_get_vblank_counter(struct radeon_device *rdev, int crtc)
+{
+ if (crtc == 0)
+ return RREG32(RADEON_CRTC_CRNT_FRAME);
+ else
+ return RREG32(RADEON_CRTC2_CRNT_FRAME);
+}
+
+
+/*
* Fence emission
*/
void r100_fence_ring_emit(struct radeon_device *rdev,
@@ -1556,26 +1622,6 @@ void r100_pll_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
r100_pll_errata_after_data(rdev);
}
-uint32_t r100_mm_rreg(struct radeon_device *rdev, uint32_t reg)
-{
- if (reg < 0x10000)
- return readl(((void __iomem *)rdev->rmmio) + reg);
- else {
- writel(reg, ((void __iomem *)rdev->rmmio) + RADEON_MM_INDEX);
- return readl(((void __iomem *)rdev->rmmio) + RADEON_MM_DATA);
- }
-}
-
-void r100_mm_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
-{
- if (reg < 0x10000)
- writel(v, ((void __iomem *)rdev->rmmio) + reg);
- else {
- writel(reg, ((void __iomem *)rdev->rmmio) + RADEON_MM_INDEX);
- writel(v, ((void __iomem *)rdev->rmmio) + RADEON_MM_DATA);
- }
-}
-
int r100_init(struct radeon_device *rdev)
{
return 0;