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Diffstat (limited to 'shared-core/via_irq.c')
-rw-r--r--shared-core/via_irq.c89
1 files changed, 45 insertions, 44 deletions
diff --git a/shared-core/via_irq.c b/shared-core/via_irq.c
index ec3f50bd..b8e652e6 100644
--- a/shared-core/via_irq.c
+++ b/shared-core/via_irq.c
@@ -96,6 +96,15 @@ static unsigned time_diff(struct timeval *now,struct timeval *then)
1000000 - (then->tv_usec - now->tv_usec);
}
+u32 via_get_vblank_counter(struct drm_device *dev, int crtc)
+{
+ drm_via_private_t *dev_priv = dev->dev_private;
+ if (crtc != 0)
+ return 0;
+
+ return atomic_read(&dev_priv->vbl_received);
+}
+
irqreturn_t via_driver_irq_handler(DRM_IRQ_ARGS)
{
struct drm_device *dev = (struct drm_device *) arg;
@@ -108,8 +117,8 @@ irqreturn_t via_driver_irq_handler(DRM_IRQ_ARGS)
status = VIA_READ(VIA_REG_INTERRUPT);
if (status & VIA_IRQ_VBLANK_PENDING) {
- atomic_inc(&dev->vbl_received);
- if (!(atomic_read(&dev->vbl_received) & 0x0F)) {
+ atomic_inc(&dev_priv->vbl_received);
+ if (!(atomic_read(&dev_priv->vbl_received) & 0x0F)) {
#ifdef __linux__
do_gettimeofday(&cur_vblank);
#else
@@ -123,12 +132,11 @@ irqreturn_t via_driver_irq_handler(DRM_IRQ_ARGS)
dev_priv->last_vblank = cur_vblank;
dev_priv->last_vblank_valid = 1;
}
- if (!(atomic_read(&dev->vbl_received) & 0xFF)) {
+ if (!(atomic_read(&dev_priv->vbl_received) & 0xFF)) {
DRM_DEBUG("US per vblank is: %u\n",
dev_priv->usec_per_vblank);
}
- DRM_WAKEUP(&dev->vbl_queue);
- drm_vbl_send_signals(dev);
+ drm_handle_vblank(dev, 0);
handled = 1;
}
@@ -170,31 +178,25 @@ static __inline__ void viadrv_acknowledge_irqs(drm_via_private_t * dev_priv)
}
}
-int via_driver_vblank_wait(struct drm_device * dev, unsigned int *sequence)
+int via_enable_vblank(struct drm_device *dev, int crtc)
{
- drm_via_private_t *dev_priv = (drm_via_private_t *) dev->dev_private;
- unsigned int cur_vblank;
- int ret = 0;
+ drm_via_private_t *dev_priv = dev->dev_private;
+ u32 status;
- DRM_DEBUG("viadrv_vblank_wait\n");
- if (!dev_priv) {
- DRM_ERROR("%s called with no initialization\n", __FUNCTION__);
+ if (crtc != 0) {
+ DRM_ERROR("%s: bad crtc %d\n", __FUNCTION__, crtc);
return -EINVAL;
}
- viadrv_acknowledge_irqs(dev_priv);
-
- /* 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(&dev->vbl_received)) -
- *sequence) <= (1 << 23)));
+ status = VIA_READ(VIA_REG_INTERRUPT);
+ VIA_WRITE(VIA_REG_INTERRUPT, status & VIA_IRQ_VBLANK_ENABLE);
+ return 0;
+}
- *sequence = cur_vblank;
- return ret;
+void via_disable_vblank(struct drm_device *dev, int crtc)
+{
+ if (crtc != 0)
+ DRM_ERROR("%s: bad crtc %d\n", __FUNCTION__, crtc);
}
static int
@@ -208,24 +210,23 @@ via_driver_irq_wait(struct drm_device * dev, unsigned int irq, int force_sequenc
maskarray_t *masks;
int real_irq;
- DRM_DEBUG("%s\n", __FUNCTION__);
+ DRM_DEBUG("\n");
if (!dev_priv) {
- DRM_ERROR("%s called with no initialization\n", __FUNCTION__);
+ DRM_ERROR("called with no initialization\n");
return -EINVAL;
}
if (irq >= drm_via_irq_num) {
- DRM_ERROR("%s Trying to wait on unknown irq %d\n", __FUNCTION__,
- irq);
+ DRM_ERROR("Trying to wait on unknown irq %d\n", irq);
return -EINVAL;
}
real_irq = dev_priv->irq_map[irq];
if (real_irq < 0) {
- DRM_ERROR("%s Video IRQ %d not available on this hardware.\n",
- __FUNCTION__, irq);
+ DRM_ERROR("Video IRQ %d not available on this hardware.\n",
+ irq);
return -EINVAL;
}
@@ -259,7 +260,7 @@ void via_driver_irq_preinstall(struct drm_device * dev)
drm_via_irq_t *cur_irq;
int i;
- DRM_DEBUG("driver_irq_preinstall: dev_priv: %p\n", dev_priv);
+ DRM_DEBUG("dev_priv: %p\n", dev_priv);
if (dev_priv) {
cur_irq = dev_priv->via_irqs;
@@ -301,23 +302,24 @@ void via_driver_irq_preinstall(struct drm_device * dev)
}
}
-void via_driver_irq_postinstall(struct drm_device * dev)
+int via_driver_irq_postinstall(struct drm_device * dev)
{
drm_via_private_t *dev_priv = (drm_via_private_t *) dev->dev_private;
u32 status;
DRM_DEBUG("via_driver_irq_postinstall\n");
- if (dev_priv) {
- status = VIA_READ(VIA_REG_INTERRUPT);
- VIA_WRITE(VIA_REG_INTERRUPT, status | VIA_IRQ_GLOBAL
- | dev_priv->irq_enable_mask);
+ if (!dev_priv)
+ return -EINVAL;
- /* Some magic, oh for some data sheets ! */
+ status = VIA_READ(VIA_REG_INTERRUPT);
+ VIA_WRITE(VIA_REG_INTERRUPT, status | VIA_IRQ_GLOBAL
+ | dev_priv->irq_enable_mask);
- VIA_WRITE8(0x83d4, 0x11);
- VIA_WRITE8(0x83d5, VIA_READ8(0x83d5) | 0x30);
+ /* Some magic, oh for some data sheets ! */
+ VIA_WRITE8(0x83d4, 0x11);
+ VIA_WRITE8(0x83d5, VIA_READ8(0x83d5) | 0x30);
- }
+ return 0;
}
void via_driver_irq_uninstall(struct drm_device * dev)
@@ -325,7 +327,7 @@ void via_driver_irq_uninstall(struct drm_device * dev)
drm_via_private_t *dev_priv = (drm_via_private_t *) dev->dev_private;
u32 status;
- DRM_DEBUG("driver_irq_uninstall)\n");
+ DRM_DEBUG("\n");
if (dev_priv) {
/* Some more magic, oh for some data sheets ! */
@@ -352,7 +354,7 @@ int via_wait_irq(struct drm_device *dev, void *data, struct drm_file *file_priv)
return -EINVAL;
if (irqwait->request.irq >= dev_priv->num_irqs) {
- DRM_ERROR("%s Trying to wait on unknown irq %d\n", __FUNCTION__,
+ DRM_ERROR("Trying to wait on unknown irq %d\n",
irqwait->request.irq);
return -EINVAL;
}
@@ -371,8 +373,7 @@ int via_wait_irq(struct drm_device *dev, void *data, struct drm_file *file_priv)
}
if (irqwait->request.type & VIA_IRQ_SIGNAL) {
- DRM_ERROR("%s Signals on Via IRQs not implemented yet.\n",
- __FUNCTION__);
+ DRM_ERROR("Signals on Via IRQs not implemented yet.\n");
return -EINVAL;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-10-30 19:19:12 +0000