diff options
author | Dave Airlie <airlied@starflyer.(none)> | 2005-09-25 14:28:13 +1000 |
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committer | Dave Airlie <airlied@linux.ie> | 2005-09-25 14:28:13 +1000 |
commit | b5e89ed53ed8d24f83ba1941c07382af00ed238e (patch) | |
tree | 747bae7a565f88a2e1d5974776eeb054a932c505 /drivers/char/drm/via_irq.c | |
parent | 99a2657a29e2d623c3568cd86b27cac13fb63140 (diff) | |
download | kernel_samsung_smdk4412-b5e89ed53ed8d24f83ba1941c07382af00ed238e.zip kernel_samsung_smdk4412-b5e89ed53ed8d24f83ba1941c07382af00ed238e.tar.gz kernel_samsung_smdk4412-b5e89ed53ed8d24f83ba1941c07382af00ed238e.tar.bz2 |
drm: lindent the drm directory.
I've been threatening this for a while, so no point hanging around.
This lindents the DRM code which was always really bad in tabbing department.
I've also fixed some misnamed files in comments and removed some trailing
whitespace.
Signed-off-by: Dave Airlie <airlied@linux.ie>
Diffstat (limited to 'drivers/char/drm/via_irq.c')
-rw-r--r-- | drivers/char/drm/via_irq.c | 106 |
1 files changed, 55 insertions, 51 deletions
diff --git a/drivers/char/drm/via_irq.c b/drivers/char/drm/via_irq.c index e8027f3..d023add 100644 --- a/drivers/char/drm/via_irq.c +++ b/drivers/char/drm/via_irq.c @@ -54,23 +54,26 @@ /* * 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[] = { - {VIA_IRQ_HQV0_ENABLE, VIA_IRQ_HQV0_PENDING, 0x000003D0, 0x00008010, 0x00000000 }, - {VIA_IRQ_HQV1_ENABLE, VIA_IRQ_HQV1_PENDING, 0x000013D0, 0x00008010, 0x00000000 }}; -static int via_num_pro_group_a = sizeof(via_pro_group_a_irqs)/sizeof(maskarray_t); - -static maskarray_t via_unichrome_irqs[] = {}; -static int via_num_unichrome = sizeof(via_unichrome_irqs)/sizeof(maskarray_t); - - -static unsigned time_diff(struct timeval *now,struct timeval *then) + {VIA_IRQ_HQV0_ENABLE, VIA_IRQ_HQV0_PENDING, 0x000003D0, 0x00008010, + 0x00000000}, + {VIA_IRQ_HQV1_ENABLE, VIA_IRQ_HQV1_PENDING, 0x000013D0, 0x00008010, + 0x00000000} +}; +static int via_num_pro_group_a = + sizeof(via_pro_group_a_irqs) / sizeof(maskarray_t); + +static maskarray_t via_unichrome_irqs[] = { }; +static int via_num_unichrome = sizeof(via_unichrome_irqs) / sizeof(maskarray_t); + +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); } irqreturn_t via_driver_irq_handler(DRM_IRQ_ARGS) @@ -86,38 +89,37 @@ 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)) { + if (!(atomic_read(&dev->vbl_received) & 0x0F)) { do_gettimeofday(&cur_vblank); - if (dev_priv->last_vblank_valid) { - dev_priv->usec_per_vblank = - time_diff( &cur_vblank,&dev_priv->last_vblank) >> 4; + if (dev_priv->last_vblank_valid) { + dev_priv->usec_per_vblank = + time_diff(&cur_vblank, + &dev_priv->last_vblank) >> 4; } dev_priv->last_vblank = cur_vblank; dev_priv->last_vblank_valid = 1; - } - if (!(atomic_read(&dev->vbl_received) & 0xFF)) { + } + if (!(atomic_read(&dev->vbl_received) & 0xFF)) { DRM_DEBUG("US per vblank is: %u\n", - dev_priv->usec_per_vblank); + dev_priv->usec_per_vblank); } DRM_WAKEUP(&dev->vbl_queue); drm_vbl_send_signals(dev); 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; } cur_irq++; } - + /* Acknowlege interrupts */ VIA_WRITE(VIA_REG_INTERRUPT, status); - if (handled) return IRQ_HANDLED; else @@ -131,7 +133,7 @@ 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); } } @@ -158,12 +160,12 @@ int via_driver_vblank_wait(drm_device_t * 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; } -static int +static int via_driver_irq_wait(drm_device_t * dev, unsigned int irq, int force_sequence, unsigned int *sequence) { @@ -180,27 +182,29 @@ via_driver_irq_wait(drm_device_t * dev, unsigned int irq, int force_sequence, return DRM_ERR(EINVAL); } - if (irq >= dev_priv->num_irqs ) { - DRM_ERROR("%s Trying to wait on unknown irq %d\n", __FUNCTION__, irq); + if (irq >= dev_priv->num_irqs) { + DRM_ERROR("%s Trying to wait on unknown irq %d\n", __FUNCTION__, + irq); return DRM_ERR(EINVAL); } - + cur_irq += irq; if (masks[irq][2] && !force_sequence) { DRM_WAIT_ON(ret, cur_irq->irq_queue, 3 * DRM_HZ, - ((VIA_READ(masks[irq][2]) & masks[irq][3]) == masks[irq][4])); + ((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))); + (((cur_irq_sequence = + atomic_read(&cur_irq->irq_received)) - + *sequence) <= (1 << 23))); } *sequence = cur_irq_sequence; return ret; } - /* * drm_dma.h hooks */ @@ -219,29 +223,29 @@ void via_driver_irq_preinstall(drm_device_t * dev) dev_priv->irq_pending_mask = VIA_IRQ_VBLANK_PENDING; dev_priv->irq_masks = (dev_priv->pro_group_a) ? - via_pro_group_a_irqs : via_unichrome_irqs; + via_pro_group_a_irqs : via_unichrome_irqs; dev_priv->num_irqs = (dev_priv->pro_group_a) ? - via_num_pro_group_a : via_num_unichrome; - - for(i=0; i < dev_priv->num_irqs; ++i) { + via_num_pro_group_a : via_num_unichrome; + + 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; + + 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); } @@ -262,7 +266,7 @@ void via_driver_irq_postinstall(drm_device_t * dev) VIA_WRITE8(0x83d4, 0x11); VIA_WRITE8(0x83d5, VIA_READ8(0x83d5) | 0x30); - + } } @@ -280,7 +284,7 @@ void via_driver_irq_uninstall(drm_device_t * 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)); } } @@ -302,7 +306,7 @@ int via_wait_irq(DRM_IOCTL_ARGS) DRM_COPY_FROM_USER_IOCTL(irqwait, argp, sizeof(irqwait)); 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 DRM_ERR(EINVAL); } @@ -320,7 +324,7 @@ int via_wait_irq(DRM_IOCTL_ARGS) } 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 DRM_ERR(EINVAL); } |