diff options
Diffstat (limited to 'shared-core/via_irq.c')
-rw-r--r-- | shared-core/via_irq.c | 89 |
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; } |