*
* Authors:
* Keith Whitwell <keith@tungstengraphics.com>
- * Michel Dänzer <michel@daenzer.net>
+ * Michel D�zer <michel@daenzer.net>
*/
#include "drmP.h"
#include "radeon_drm.h"
#include "radeon_drv.h"
-static __inline__ u32 radeon_acknowledge_irqs(drm_radeon_private_t * dev_priv,
- u32 mask)
+void radeon_irq_set_state(struct drm_device *dev, u32 mask, int state)
{
- u32 irqs = RADEON_READ(RADEON_GEN_INT_STATUS) & mask;
+ drm_radeon_private_t *dev_priv = dev->dev_private;
+
+ if (state)
+ dev_priv->irq_enable_reg |= mask;
+ else
+ dev_priv->irq_enable_reg &= ~mask;
+
+ if (!dev->irq_enabled)
+ RADEON_WRITE(RADEON_GEN_INT_CNTL, dev_priv->irq_enable_reg);
+}
+
+static void r500_vbl_irq_set_state(struct drm_device *dev, u32 mask, int state)
+{
+ drm_radeon_private_t *dev_priv = dev->dev_private;
+
+ if (state)
+ dev_priv->r500_disp_irq_reg |= mask;
+ else
+ dev_priv->r500_disp_irq_reg &= ~mask;
+
+ if (!dev->irq_enabled)
+ RADEON_WRITE(R500_DxMODE_INT_MASK, dev_priv->r500_disp_irq_reg);
+}
+
+int radeon_enable_vblank(struct drm_device *dev, int crtc)
+{
+ drm_radeon_private_t *dev_priv = dev->dev_private;
+
+ if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS690) {
+ switch (crtc) {
+ case 0:
+ r500_vbl_irq_set_state(dev, R500_D1MODE_INT_MASK, 1);
+ break;
+ case 1:
+ r500_vbl_irq_set_state(dev, R500_D2MODE_INT_MASK, 1);
+ break;
+ default:
+ DRM_ERROR("tried to enable vblank on non-existent crtc %d\n",
+ crtc);
+ return EINVAL;
+ }
+ } else {
+ switch (crtc) {
+ case 0:
+ radeon_irq_set_state(dev, RADEON_CRTC_VBLANK_MASK, 1);
+ break;
+ case 1:
+ radeon_irq_set_state(dev, RADEON_CRTC2_VBLANK_MASK, 1);
+ break;
+ default:
+ DRM_ERROR("tried to enable vblank on non-existent crtc %d\n",
+ crtc);
+ return EINVAL;
+ }
+ }
+
+ return 0;
+}
+
+void radeon_disable_vblank(struct drm_device *dev, int crtc)
+{
+ drm_radeon_private_t *dev_priv = dev->dev_private;
+
+ if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS690) {
+ switch (crtc) {
+ case 0:
+ r500_vbl_irq_set_state(dev, R500_D1MODE_INT_MASK, 0);
+ break;
+ case 1:
+ r500_vbl_irq_set_state(dev, R500_D2MODE_INT_MASK, 0);
+ break;
+ default:
+ DRM_ERROR("tried to enable vblank on non-existent crtc %d\n",
+ crtc);
+ break;
+ }
+ } else {
+ switch (crtc) {
+ case 0:
+ radeon_irq_set_state(dev, RADEON_CRTC_VBLANK_MASK, 0);
+ break;
+ case 1:
+ radeon_irq_set_state(dev, RADEON_CRTC2_VBLANK_MASK, 0);
+ break;
+ default:
+ DRM_ERROR("tried to enable vblank on non-existent crtc %d\n",
+ crtc);
+ break;
+ }
+ }
+}
+
+static inline u32 radeon_acknowledge_irqs(drm_radeon_private_t *dev_priv, u32 *r500_disp_int)
+{
+ u32 irqs = RADEON_READ(RADEON_GEN_INT_STATUS);
+ u32 irq_mask = RADEON_SW_INT_TEST;
+
+ *r500_disp_int = 0;
+ if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS690) {
+ /* vbl interrupts in a different place */
+
+ if (irqs & R500_DISPLAY_INT_STATUS) {
+ /* if a display interrupt */
+ u32 disp_irq;
+
+ disp_irq = RADEON_READ(R500_DISP_INTERRUPT_STATUS);
+
+ *r500_disp_int = disp_irq;
+ if (disp_irq & R500_D1_VBLANK_INTERRUPT)
+ RADEON_WRITE(R500_D1MODE_VBLANK_STATUS, R500_VBLANK_ACK);
+ if (disp_irq & R500_D2_VBLANK_INTERRUPT)
+ RADEON_WRITE(R500_D2MODE_VBLANK_STATUS, R500_VBLANK_ACK);
+ }
+ irq_mask |= R500_DISPLAY_INT_STATUS;
+ } else
+ irq_mask |= RADEON_CRTC_VBLANK_STAT | RADEON_CRTC2_VBLANK_STAT;
+
+ irqs &= irq_mask;
+
if (irqs)
RADEON_WRITE(RADEON_GEN_INT_STATUS, irqs);
+
return irqs;
}
drm_radeon_private_t *dev_priv =
(drm_radeon_private_t *) dev->dev_private;
u32 stat;
+ u32 r500_disp_int;
/* 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 |
- RADEON_CRTC2_VBLANK_STAT));
+ stat = radeon_acknowledge_irqs(dev_priv, &r500_disp_int);
if (!stat)
return IRQ_NONE;
stat &= dev_priv->irq_enable_reg;
/* SW interrupt */
- if (stat & RADEON_SW_INT_TEST) {
+ if (stat & RADEON_SW_INT_TEST)
DRM_WAKEUP(&dev_priv->swi_queue);
- }
/* VBLANK interrupt */
- 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);
+ if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS690) {
+ if (r500_disp_int & R500_D1_VBLANK_INTERRUPT)
+ drm_handle_vblank(dev, 0);
+ if (r500_disp_int & R500_D2_VBLANK_INTERRUPT)
+ drm_handle_vblank(dev, 1);
+ } else {
+ if (stat & RADEON_CRTC_VBLANK_STAT)
+ drm_handle_vblank(dev, 0);
+ if (stat & RADEON_CRTC2_VBLANK_STAT)
+ drm_handle_vblank(dev, 1);
}
-
return IRQ_HANDLED;
}
return ret;
}
-static int radeon_driver_vblank_do_wait(struct drm_device * dev,
- unsigned int *sequence, int crtc)
+u32 radeon_get_vblank_counter(struct drm_device *dev, 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;
+ drm_radeon_private_t *dev_priv = dev->dev_private;
+
if (!dev_priv) {
DRM_ERROR("called with no initialization\n");
return -EINVAL;
}
- 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
+ if (crtc < 0 || crtc > 1) {
+ DRM_ERROR("Invalid crtc %d\n", crtc);
return -EINVAL;
+ }
- radeon_acknowledge_irqs(dev_priv, ack);
-
- dev_priv->stats.boxes |= RADEON_BOX_WAIT_IDLE;
-
- /* Assume that the user has missed the current sequence number
- * by about a day rather than she wants to wait for years
- * using vertical blanks...
- */
- DRM_WAIT_ON(ret, dev->vbl_queue, 3 * DRM_HZ,
- (((cur_vblank = atomic_read(counter))
- - *sequence) <= (1 << 23)));
-
- *sequence = cur_vblank;
-
- return ret;
-}
-
-int radeon_driver_vblank_wait(struct drm_device *dev, unsigned int *sequence)
-{
- return radeon_driver_vblank_do_wait(dev, sequence, DRM_RADEON_VBLANK_CRTC1);
-}
-
-int radeon_driver_vblank_wait2(struct drm_device *dev, unsigned int *sequence)
-{
- return radeon_driver_vblank_do_wait(dev, sequence, DRM_RADEON_VBLANK_CRTC2);
+ if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS690) {
+ if (crtc == 0)
+ return RADEON_READ(R500_D1CRTC_FRAME_COUNT);
+ else
+ return RADEON_READ(R500_D2CRTC_FRAME_COUNT);
+ } else {
+ if (crtc == 0)
+ return RADEON_READ(RADEON_CRTC_CRNT_FRAME);
+ else
+ return RADEON_READ(RADEON_CRTC2_CRNT_FRAME);
+ }
}
/* Needs the lock as it touches the ring.
return radeon_wait_irq(dev, irqwait->irq_seq);
}
-void radeon_enable_interrupt(struct drm_device *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(struct drm_device * dev)
{
drm_radeon_private_t *dev_priv =
(drm_radeon_private_t *) dev->dev_private;
+ u32 dummy;
/* Disable *all* interrupts */
+ if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS690)
+ RADEON_WRITE(R500_DxMODE_INT_MASK, 0);
RADEON_WRITE(RADEON_GEN_INT_CNTL, 0);
/* Clear bits if they're already high */
- radeon_acknowledge_irqs(dev_priv, (RADEON_SW_INT_TEST_ACK |
- RADEON_CRTC_VBLANK_STAT |
- RADEON_CRTC2_VBLANK_STAT));
+ radeon_acknowledge_irqs(dev_priv, &dummy);
}
-void radeon_driver_irq_postinstall(struct drm_device * dev)
+int radeon_driver_irq_postinstall(struct drm_device *dev)
{
drm_radeon_private_t *dev_priv =
(drm_radeon_private_t *) dev->dev_private;
atomic_set(&dev_priv->swi_emitted, 0);
DRM_INIT_WAITQUEUE(&dev_priv->swi_queue);
- radeon_enable_interrupt(dev);
+ dev->max_vblank_count = 0x001fffff;
+
+ radeon_irq_set_state(dev, RADEON_SW_INT_ENABLE, 1);
+
+ return 0;
}
void radeon_driver_irq_uninstall(struct drm_device * dev)
if (!dev_priv)
return;
- dev_priv->irq_enabled = 0;
-
+ if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS690)
+ RADEON_WRITE(R500_DxMODE_INT_MASK, 0);
/* Disable *all* interrupts */
RADEON_WRITE(RADEON_GEN_INT_CNTL, 0);
}
int radeon_vblank_crtc_get(struct drm_device *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;
+ return dev_priv->vblank_crtc;
}
int radeon_vblank_crtc_set(struct drm_device *dev, int64_t value)
return -EINVAL;
}
dev_priv->vblank_crtc = (unsigned int)value;
- radeon_enable_interrupt(dev);
return 0;
}
projects / linux-2.6-omap-h63xx.git / blobdiff