summaryrefslogtreecommitdiff
path: root/shared-core/radeon_irq.c
diff options
context:
space:
mode:
authorDave Airlie <airlied@nx6125b.(none)>2007-06-05 10:09:11 +1000
committerDave Airlie <airlied@nx6125b.(none)>2007-06-05 10:09:11 +1000
commit07345af838a7443d29d12cb3fe91614e43c4fa81 (patch)
tree9a16e9ea79c70c6aea65ac11e395dfbf83459453 /shared-core/radeon_irq.c
parent704ca0638977f58742a8bff6aba9905fe862cfb3 (diff)
parent4327d7f3142cdbf3f3f94426ae33e2d30b5a40c8 (diff)
Merge branch 'origin' into radeon-ttm
Conflicts: shared-core/radeon_drv.h
Diffstat (limited to 'shared-core/radeon_irq.c')
-rw-r--r--shared-core/radeon_irq.c101
1 files changed, 90 insertions, 11 deletions
diff --git a/shared-core/radeon_irq.c b/shared-core/radeon_irq.c
index 4f3099dc..95d8332c 100644
--- a/shared-core/radeon_irq.c
+++ b/shared-core/radeon_irq.c
@@ -72,8 +72,7 @@ irqreturn_t radeon_driver_irq_handler(DRM_IRQ_ARGS)
/* Only consider the bits we're interested in - others could be used
* outside the DRM
*/
- stat = radeon_acknowledge_irqs(dev_priv, (RADEON_SW_INT_TEST_ACK |
- RADEON_CRTC_VBLANK_STAT));
+ stat = radeon_acknowledge_irqs(dev_priv, dev_priv->irq_enable_reg);
if (!stat)
return IRQ_NONE;
@@ -86,8 +85,22 @@ irqreturn_t radeon_driver_irq_handler(DRM_IRQ_ARGS)
}
/* VBLANK interrupt */
- if (stat & RADEON_CRTC_VBLANK_STAT) {
- atomic_inc(&dev->vbl_received);
+ if (stat & (RADEON_CRTC_VBLANK_STAT|RADEON_CRTC2_VBLANK_STAT)) {
+ int vblank_crtc = dev_priv->vblank_crtc;
+
+ if ((vblank_crtc &
+ (DRM_RADEON_VBLANK_CRTC1 | DRM_RADEON_VBLANK_CRTC2)) ==
+ (DRM_RADEON_VBLANK_CRTC1 | DRM_RADEON_VBLANK_CRTC2)) {
+ if (stat & RADEON_CRTC_VBLANK_STAT)
+ atomic_inc(&dev->vbl_received);
+ if (stat & RADEON_CRTC2_VBLANK_STAT)
+ atomic_inc(&dev->vbl_received2);
+ } else if (((stat & RADEON_CRTC_VBLANK_STAT) &&
+ (vblank_crtc & DRM_RADEON_VBLANK_CRTC1)) ||
+ ((stat & RADEON_CRTC2_VBLANK_STAT) &&
+ (vblank_crtc & DRM_RADEON_VBLANK_CRTC2)))
+ atomic_inc(&dev->vbl_received);
+
DRM_WAKEUP(&dev->vbl_queue);
drm_vbl_send_signals(dev);
}
@@ -129,19 +142,30 @@ static int radeon_wait_irq(drm_device_t * dev, int irq_nr)
return ret;
}
-int radeon_driver_vblank_wait(drm_device_t * dev, unsigned int *sequence)
+int radeon_driver_vblank_do_wait(drm_device_t * dev, unsigned int *sequence,
+ int crtc)
{
drm_radeon_private_t *dev_priv =
(drm_radeon_private_t *) dev->dev_private;
unsigned int cur_vblank;
int ret = 0;
-
+ int ack = 0;
+ atomic_t *counter;
if (!dev_priv) {
DRM_ERROR("%s called with no initialization\n", __FUNCTION__);
return DRM_ERR(EINVAL);
}
- radeon_acknowledge_irqs(dev_priv, RADEON_CRTC_VBLANK_STAT);
+ if (crtc == DRM_RADEON_VBLANK_CRTC1) {
+ counter = &dev->vbl_received;
+ ack |= RADEON_CRTC_VBLANK_STAT;
+ } else if (crtc == DRM_RADEON_VBLANK_CRTC2) {
+ counter = &dev->vbl_received2;
+ ack |= RADEON_CRTC2_VBLANK_STAT;
+ } else
+ return DRM_ERR(EINVAL);
+
+ radeon_acknowledge_irqs(dev_priv, ack);
dev_priv->stats.boxes |= RADEON_BOX_WAIT_IDLE;
@@ -150,7 +174,7 @@ int radeon_driver_vblank_wait(drm_device_t * dev, unsigned int *sequence)
* using vertical blanks...
*/
DRM_WAIT_ON(ret, dev->vbl_queue, 3 * DRM_HZ,
- (((cur_vblank = atomic_read(&dev->vbl_received))
+ (((cur_vblank = atomic_read(counter))
- *sequence) <= (1 << 23)));
*sequence = cur_vblank;
@@ -158,6 +182,16 @@ int radeon_driver_vblank_wait(drm_device_t * dev, unsigned int *sequence)
return ret;
}
+int radeon_driver_vblank_wait(drm_device_t *dev, unsigned int *sequence)
+{
+ return radeon_driver_vblank_do_wait(dev, sequence, DRM_RADEON_VBLANK_CRTC1);
+}
+
+int radeon_driver_vblank_wait2(drm_device_t *dev, unsigned int *sequence)
+{
+ return radeon_driver_vblank_do_wait(dev, sequence, DRM_RADEON_VBLANK_CRTC2);
+}
+
/* Needs the lock as it touches the ring.
*/
int radeon_irq_emit(DRM_IOCTL_ARGS)
@@ -206,6 +240,21 @@ int radeon_irq_wait(DRM_IOCTL_ARGS)
return radeon_wait_irq(dev, irqwait.irq_seq);
}
+static void radeon_enable_interrupt(drm_device_t *dev)
+{
+ drm_radeon_private_t *dev_priv = (drm_radeon_private_t *) dev->dev_private;
+
+ dev_priv->irq_enable_reg = RADEON_SW_INT_ENABLE;
+ if (dev_priv->vblank_crtc & DRM_RADEON_VBLANK_CRTC1)
+ dev_priv->irq_enable_reg |= RADEON_CRTC_VBLANK_MASK;
+
+ if (dev_priv->vblank_crtc & DRM_RADEON_VBLANK_CRTC2)
+ dev_priv->irq_enable_reg |= RADEON_CRTC2_VBLANK_MASK;
+
+ RADEON_WRITE(RADEON_GEN_INT_CNTL, dev_priv->irq_enable_reg);
+ dev_priv->irq_enabled = 1;
+}
+
/* drm_dma.h hooks
*/
void radeon_driver_irq_preinstall(drm_device_t * dev)
@@ -229,9 +278,7 @@ void radeon_driver_irq_postinstall(drm_device_t * dev)
dev_priv->counter = 0;
DRM_INIT_WAITQUEUE(&dev_priv->irq_queue);
- /* Turn on SW and VBL ints */
- RADEON_WRITE(RADEON_GEN_INT_CNTL,
- RADEON_CRTC_VBLANK_MASK | RADEON_SW_INT_ENABLE);
+ radeon_enable_interrupt(dev);
}
void radeon_driver_irq_uninstall(drm_device_t * dev)
@@ -241,6 +288,38 @@ void radeon_driver_irq_uninstall(drm_device_t * dev)
if (!dev_priv)
return;
+ dev_priv->irq_enabled = 0;
+
/* Disable *all* interrupts */
RADEON_WRITE(RADEON_GEN_INT_CNTL, 0);
}
+
+
+int radeon_vblank_crtc_get(drm_device_t *dev)
+{
+ drm_radeon_private_t *dev_priv = (drm_radeon_private_t *) dev->dev_private;
+ u32 flag;
+ u32 value;
+
+ flag = RADEON_READ(RADEON_GEN_INT_CNTL);
+ value = 0;
+
+ if (flag & RADEON_CRTC_VBLANK_MASK)
+ value |= DRM_RADEON_VBLANK_CRTC1;
+
+ if (flag & RADEON_CRTC2_VBLANK_MASK)
+ value |= DRM_RADEON_VBLANK_CRTC2;
+ return value;
+}
+
+int radeon_vblank_crtc_set(drm_device_t *dev, int64_t value)
+{
+ drm_radeon_private_t *dev_priv = (drm_radeon_private_t *) dev->dev_private;
+ if (value & ~(DRM_RADEON_VBLANK_CRTC1 | DRM_RADEON_VBLANK_CRTC2)) {
+ DRM_ERROR("called with invalid crtc 0x%x\n", (unsigned int)value);
+ return DRM_ERR(EINVAL);
+ }
+ dev_priv->vblank_crtc = (unsigned int)value;
+ radeon_enable_interrupt(dev);
+ return 0;
+}