diff options
author | Jesse Barnes <jbarnes@hobbes.virtuousgeek.org> | 2008-01-22 09:42:37 -0800 |
---|---|---|
committer | Jesse Barnes <jbarnes@hobbes.virtuousgeek.org> | 2008-01-22 09:42:37 -0800 |
commit | 0cd4cbc9a6330bd619608f274592082de7c05bcf (patch) | |
tree | 4e0b682a24e448d17abf8b2fadc75ccee2cd5b57 /shared-core/via_irq.c | |
parent | 128a8f7ea20af2549e448157b431d5c1f90f37c3 (diff) | |
parent | 5231a524f53babd127a576d7567671dafb29651b (diff) |
Merge branch 'master' into vblank-rework, including mach64 support
Conflicts:
linux-core/drmP.h
linux-core/drm_drv.c
shared-core/i915_drv.h
shared-core/i915_irq.c
shared-core/mga_irq.c
shared-core/radeon_irq.c
shared-core/via_irq.c
Mostly trivial conflicts.
mach64 support from Mathieu BĂ©rard.
Diffstat (limited to 'shared-core/via_irq.c')
-rw-r--r-- | shared-core/via_irq.c | 84 |
1 files changed, 38 insertions, 46 deletions
diff --git a/shared-core/via_irq.c b/shared-core/via_irq.c index a1d33248..b8e652e6 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[] = { @@ -71,30 +71,29 @@ 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}, }; -static int via_num_pro_group_a = - sizeof(via_pro_group_a_irqs)/sizeof(maskarray_t); +static int via_num_pro_group_a = ARRAY_SIZE(via_pro_group_a_irqs); 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} }; -static int via_num_unichrome = sizeof(via_unichrome_irqs)/sizeof(maskarray_t); +static int via_num_unichrome = ARRAY_SIZE(via_unichrome_irqs); 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 : - 1000000 - (then->tv_usec - now->tv_usec); + return (now->tv_usec >= then->tv_usec) ? + now->tv_usec - then->tv_usec : + 1000000 - (then->tv_usec - now->tv_usec); } u32 via_get_vblank_counter(struct drm_device *dev, int crtc) @@ -126,7 +125,7 @@ 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; } @@ -135,16 +134,16 @@ irqreturn_t via_driver_irq_handler(DRM_IRQ_ARGS) } if (!(atomic_read(&dev_priv->vbl_received) & 0xFF)) { DRM_DEBUG("US per vblank is: %u\n", - dev_priv->usec_per_vblank); + dev_priv->usec_per_vblank); } drm_handle_vblank(dev, 0); handled = 1; } - - for (i=0; i<dev_priv->num_irqs; ++i) { + + for (i = 0; i < dev_priv->num_irqs; ++i) { if (status & cur_irq->pending_mask) { - atomic_inc( &cur_irq->irq_received ); - DRM_WAKEUP( &cur_irq->irq_queue ); + atomic_inc(&cur_irq->irq_received); + DRM_WAKEUP(&cur_irq->irq_queue); handled = 1; #ifdef VIA_HAVE_DMABLIT if (dev_priv->irq_map[drm_via_irq_dma0_td] == i) { @@ -156,7 +155,7 @@ irqreturn_t via_driver_irq_handler(DRM_IRQ_ARGS) } cur_irq++; } - + /* Acknowlege interrupts */ VIA_WRITE(VIA_REG_INTERRUPT, status); @@ -174,7 +173,7 @@ 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); } } @@ -198,11 +197,6 @@ void via_disable_vblank(struct drm_device *dev, int crtc) { if (crtc != 0) DRM_ERROR("%s: bad crtc %d\n", __FUNCTION__, crtc); - - /* - * FIXME: implement proper interrupt disable by using the vblank - * counter register (if available). - */ } static int @@ -216,24 +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); + if (irq >= drm_via_irq_num) { + 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; } @@ -242,14 +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; @@ -267,7 +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; @@ -285,25 +278,25 @@ void via_driver_irq_preinstall(struct drm_device * dev) dev_priv->irq_map = via_irqmap_unichrome; } - for(i=0; i < dev_priv->num_irqs; ++i) { + 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 ); + 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); } @@ -334,7 +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 ! */ @@ -343,7 +336,7 @@ 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)); } } @@ -361,7 +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; } @@ -380,8 +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; } |