#define VIA_IRQ_HQV1_ENABLE (1 << 25)
#define VIA_IRQ_HQV0_PENDING (1 << 9)
#define VIA_IRQ_HQV1_PENDING (1 << 10)
+#define VIA_IRQ_DMA0_DD_ENABLE (1 << 20)
+#define VIA_IRQ_DMA0_TD_ENABLE (1 << 21)
+#define VIA_IRQ_DMA1_DD_ENABLE (1 << 22)
+#define VIA_IRQ_DMA1_TD_ENABLE (1 << 23)
+#define VIA_IRQ_DMA0_DD_PENDING (1 << 4)
+#define VIA_IRQ_DMA0_TD_PENDING (1 << 5)
+#define VIA_IRQ_DMA1_DD_PENDING (1 << 6)
+#define VIA_IRQ_DMA1_TD_PENDING (1 << 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[] = {
- {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},
+ {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_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_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_irqmap_unichrome[] = {-1, -1, -1, 0, -1, 1};
+
+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)
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;
+ if (dev_priv->irq_map[drm_via_irq_dma0_td] == i) {
+ via_dmablit_handler(dev, 0, 1);
+ } else if (dev_priv->irq_map[drm_via_irq_dma1_td] == i) {
+ via_dmablit_handler(dev, 1, 1);
+ }
}
cur_irq++;
}
-
+
/* Acknowlege interrupts */
VIA_WRITE(VIA_REG_INTERRUPT, status);
-
if (handled)
return IRQ_HANDLED;
else
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);
}
}
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)
{
drm_via_private_t *dev_priv = (drm_via_private_t *) dev->dev_private;
unsigned int cur_irq_sequence;
- drm_via_irq_t *cur_irq = dev_priv->via_irqs;
+ drm_via_irq_t *cur_irq;
int ret = 0;
- maskarray_t *masks = dev_priv->irq_masks;
+ maskarray_t *masks;
+ int real_irq;
DRM_DEBUG("%s\n", __FUNCTION__);
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 >= drm_via_irq_num) {
+ 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) {
+ 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);
+ return DRM_ERR(EINVAL);
+ }
+
+ masks = dev_priv->irq_masks;
+ cur_irq = dev_priv->via_irqs + real_irq;
+
+ 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]) == 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
*/
{
drm_via_private_t *dev_priv = (drm_via_private_t *) dev->dev_private;
u32 status;
- drm_via_irq_t *cur_irq = dev_priv->via_irqs;
+ drm_via_irq_t *cur_irq;
int i;
DRM_DEBUG("driver_irq_preinstall: dev_priv: %p\n", dev_priv);
if (dev_priv) {
+ cur_irq = dev_priv->via_irqs;
dev_priv->irq_enable_mask = VIA_IRQ_VBLANK_ENABLE;
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;
- 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) {
+ if (dev_priv->chipset == VIA_PRO_GROUP_A ||
+ dev_priv->chipset == VIA_DX9_0) {
+ dev_priv->irq_masks = via_pro_group_a_irqs;
+ dev_priv->num_irqs = via_num_pro_group_a;
+ dev_priv->irq_map = via_irqmap_pro_group_a;
+ } else {
+ dev_priv->irq_masks = via_unichrome_irqs;
+ dev_priv->num_irqs = via_num_unichrome;
+ dev_priv->irq_map = via_irqmap_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;
- // Clear VSync interrupt regs
+ 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);
}
VIA_WRITE8(0x83d4, 0x11);
VIA_WRITE8(0x83d5, VIA_READ8(0x83d5) | 0x30);
-
+
}
}
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));
}
}
int via_wait_irq(DRM_IOCTL_ARGS)
{
- drm_file_t *priv = filp->private_data;
- drm_device_t *dev = priv->head->dev;
+ DRM_DEVICE;
drm_via_irqwait_t __user *argp = (void __user *)data;
drm_via_irqwait_t irqwait;
struct timeval now;
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);
}
}
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);
}
projects / powerpc.git / blobdiff