diff options
Diffstat (limited to 'shared-core/via_irq.c')
| -rw-r--r-- | shared-core/via_irq.c | 42 |
1 files changed, 21 insertions, 21 deletions
diff --git a/shared-core/via_irq.c b/shared-core/via_irq.c index 475b6461..df91ab00 100644 --- a/shared-core/via_irq.c +++ b/shared-core/via_irq.c @@ -63,7 +63,7 @@ /* * Device-specific IRQs go here. This type might need to be extended with * the register if there are multiple IRQ control registers. - * Currently we activate the HQV interrupts of Unichrome Pro group A. + * Currently we activate the HQV interrupts of Unichrome Pro group A. */ static maskarray_t via_pro_group_a_irqs[] = { @@ -71,7 +71,7 @@ static maskarray_t via_pro_group_a_irqs[] = { 0x00000000 }, {VIA_IRQ_HQV1_ENABLE, VIA_IRQ_HQV1_PENDING, 0x000013D0, 0x00008010, 0x00000000 }, - {VIA_IRQ_DMA0_TD_ENABLE, VIA_IRQ_DMA0_TD_PENDING, VIA_PCI_DMA_CSR0, + {VIA_IRQ_DMA0_TD_ENABLE, VIA_IRQ_DMA0_TD_PENDING, VIA_PCI_DMA_CSR0, VIA_DMA_CSR_TA | VIA_DMA_CSR_TD, 0x00000008}, {VIA_IRQ_DMA1_TD_ENABLE, VIA_IRQ_DMA1_TD_PENDING, VIA_PCI_DMA_CSR1, VIA_DMA_CSR_TA | VIA_DMA_CSR_TD, 0x00000008}, @@ -81,7 +81,7 @@ static int via_num_pro_group_a = static int via_irqmap_pro_group_a[] = {0, 1, -1, 2, -1, 3}; static maskarray_t via_unichrome_irqs[] = { - {VIA_IRQ_DMA0_TD_ENABLE, VIA_IRQ_DMA0_TD_PENDING, VIA_PCI_DMA_CSR0, + {VIA_IRQ_DMA0_TD_ENABLE, VIA_IRQ_DMA0_TD_PENDING, VIA_PCI_DMA_CSR0, VIA_DMA_CSR_TA | VIA_DMA_CSR_TD, 0x00000008}, {VIA_IRQ_DMA1_TD_ENABLE, VIA_IRQ_DMA1_TD_PENDING, VIA_PCI_DMA_CSR1, VIA_DMA_CSR_TA | VIA_DMA_CSR_TD, 0x00000008} @@ -90,7 +90,7 @@ static int via_num_unichrome = sizeof(via_unichrome_irqs)/sizeof(maskarray_t); static int via_irqmap_unichrome[] = {-1, -1, -1, 0, -1, 1}; -static unsigned time_diff(struct timeval *now,struct timeval *then) +static unsigned time_diff(struct timeval *now,struct timeval *then) { return (now->tv_usec >= then->tv_usec) ? now->tv_usec - then->tv_usec : @@ -117,7 +117,7 @@ irqreturn_t via_driver_irq_handler(DRM_IRQ_ARGS) microtime(&cur_vblank); #endif if (dev_priv->last_vblank_valid) { - dev_priv->usec_per_vblank = + dev_priv->usec_per_vblank = time_diff(&cur_vblank, &dev_priv->last_vblank) >> 4; } @@ -132,7 +132,7 @@ irqreturn_t via_driver_irq_handler(DRM_IRQ_ARGS) drm_vbl_send_signals(dev); handled = 1; } - + for (i=0; i<dev_priv->num_irqs; ++i) { if (status & cur_irq->pending_mask) { atomic_inc( &cur_irq->irq_received ); @@ -148,7 +148,7 @@ irqreturn_t via_driver_irq_handler(DRM_IRQ_ARGS) } cur_irq++; } - + /* Acknowlege interrupts */ VIA_WRITE(VIA_REG_INTERRUPT, status); @@ -166,7 +166,7 @@ static __inline__ void viadrv_acknowledge_irqs(drm_via_private_t * dev_priv) if (dev_priv) { /* Acknowlege interrupts */ status = VIA_READ(VIA_REG_INTERRUPT); - VIA_WRITE(VIA_REG_INTERRUPT, status | + VIA_WRITE(VIA_REG_INTERRUPT, status | dev_priv->irq_pending_mask); } } @@ -193,7 +193,7 @@ int via_driver_vblank_wait(struct drm_device * dev, unsigned int *sequence) DRM_WAIT_ON(ret, dev->vbl_queue, 3 * DRM_HZ, (((cur_vblank = atomic_read(&dev->vbl_received)) - *sequence) <= (1 << 23))); - + *sequence = cur_vblank; return ret; } @@ -221,7 +221,7 @@ via_driver_irq_wait(struct drm_device * dev, unsigned int irq, int force_sequenc irq); return -EINVAL; } - + real_irq = dev_priv->irq_map[irq]; if (real_irq < 0) { @@ -235,14 +235,14 @@ via_driver_irq_wait(struct drm_device * dev, unsigned int irq, int force_sequenc if (masks[real_irq][2] && !force_sequence) { DRM_WAIT_ON(ret, cur_irq->irq_queue, 3 * DRM_HZ, - ((VIA_READ(masks[irq][2]) & masks[irq][3]) == + ((VIA_READ(masks[irq][2]) & masks[irq][3]) == masks[irq][4])); cur_irq_sequence = atomic_read(&cur_irq->irq_received); } else { DRM_WAIT_ON(ret, cur_irq->irq_queue, 3 * DRM_HZ, (((cur_irq_sequence = atomic_read(&cur_irq->irq_received)) - - *sequence) <= (1 << 23))); + *sequence) <= (1 << 23))); } *sequence = cur_irq_sequence; return ret; @@ -280,23 +280,23 @@ void via_driver_irq_preinstall(struct drm_device * dev) for(i=0; i < dev_priv->num_irqs; ++i) { atomic_set(&cur_irq->irq_received, 0); - cur_irq->enable_mask = dev_priv->irq_masks[i][0]; + cur_irq->enable_mask = dev_priv->irq_masks[i][0]; cur_irq->pending_mask = dev_priv->irq_masks[i][1]; DRM_INIT_WAITQUEUE( &cur_irq->irq_queue ); dev_priv->irq_enable_mask |= cur_irq->enable_mask; dev_priv->irq_pending_mask |= cur_irq->pending_mask; cur_irq++; - + DRM_DEBUG("Initializing IRQ %d\n", i); } - + dev_priv->last_vblank_valid = 0; /* Clear VSync interrupt regs */ status = VIA_READ(VIA_REG_INTERRUPT); - VIA_WRITE(VIA_REG_INTERRUPT, status & + VIA_WRITE(VIA_REG_INTERRUPT, status & ~(dev_priv->irq_enable_mask)); - + /* Clear bits if they're already high */ viadrv_acknowledge_irqs(dev_priv); } @@ -317,7 +317,7 @@ void via_driver_irq_postinstall(struct drm_device * dev) VIA_WRITE8(0x83d4, 0x11); VIA_WRITE8(0x83d5, VIA_READ8(0x83d5) | 0x30); - + } } @@ -335,7 +335,7 @@ void via_driver_irq_uninstall(struct drm_device * dev) VIA_WRITE8(0x83d5, VIA_READ8(0x83d5) & ~0x30); status = VIA_READ(VIA_REG_INTERRUPT); - VIA_WRITE(VIA_REG_INTERRUPT, status & + VIA_WRITE(VIA_REG_INTERRUPT, status & ~(VIA_IRQ_VBLANK_ENABLE | dev_priv->irq_enable_mask)); } } @@ -353,7 +353,7 @@ 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("%s Trying to wait on unknown irq %d\n", __FUNCTION__, irqwait->request.irq); return -EINVAL; } @@ -372,7 +372,7 @@ 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", + DRM_ERROR("%s Signals on Via IRQs not implemented yet.\n", __FUNCTION__); return -EINVAL; } |