drm: update VIA driver to 2.7.2
Add PCI DMA blitengine to VIA DRM
Add portability code for porting VIA to FreeBSD.
Sync via_drm.h with 3d driver
From: Thomas Hellstrom <unichrome@shipmail.org>, Eric Anholt <anholt@freebsd.org>
Signed-off-by: Dave Airlie <airlied@linux.ie>
diff --git a/drivers/char/drm/via_irq.c b/drivers/char/drm/via_irq.c
index d023add..56d7e3d 100644
--- a/drivers/char/drm/via_irq.c
+++ b/drivers/char/drm/via_irq.c
@@ -50,6 +50,15 @@
#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
@@ -61,13 +70,24 @@
{VIA_IRQ_HQV0_ENABLE, VIA_IRQ_HQV0_PENDING, 0x000003D0, 0x00008010,
0x00000000},
{VIA_IRQ_HQV1_ENABLE, VIA_IRQ_HQV1_PENDING, 0x000013D0, 0x00008010,
- 0x00000000}
+ 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[] = { };
+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)
{
@@ -113,6 +133,11 @@
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++;
}
@@ -165,7 +190,7 @@
return ret;
}
-static int
+int
via_driver_irq_wait(drm_device_t * dev, unsigned int irq, int force_sequence,
unsigned int *sequence)
{
@@ -174,6 +199,7 @@
drm_via_irq_t *cur_irq = dev_priv->via_irqs;
int ret = 0;
maskarray_t *masks = dev_priv->irq_masks;
+ int real_irq;
DRM_DEBUG("%s\n", __FUNCTION__);
@@ -182,15 +208,23 @@
return DRM_ERR(EINVAL);
}
- if (irq >= dev_priv->num_irqs) {
+ 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;
+ real_irq = dev_priv->irq_map[irq];
- if (masks[irq][2] && !force_sequence) {
+ if (real_irq < 0) {
+ DRM_ERROR("%s Video IRQ %d not available on this hardware.\n",
+ __FUNCTION__, irq);
+ return DRM_ERR(EINVAL);
+ }
+
+ cur_irq += 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]));
@@ -226,6 +260,8 @@
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;
+ dev_priv->irq_map = (dev_priv->pro_group_a) ?
+ via_irqmap_pro_group_a : via_irqmap_unichrome;
for (i = 0; i < dev_priv->num_irqs; ++i) {
atomic_set(&cur_irq->irq_received, 0);
@@ -241,7 +277,7 @@
dev_priv->last_vblank_valid = 0;
- // Clear VSync interrupt regs
+ /* Clear VSync interrupt regs */
status = VIA_READ(VIA_REG_INTERRUPT);
VIA_WRITE(VIA_REG_INTERRUPT, status &
~(dev_priv->irq_enable_mask));
@@ -291,8 +327,7 @@
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;