static int radeon_do_cleanup_cp(struct drm_device * dev);
static void radeon_do_cp_start(drm_radeon_private_t * dev_priv);
+static u32 radeon_read_ring_rptr(drm_radeon_private_t *dev_priv, u32 off)
+{
+ u32 val;
+
+ if (dev_priv->flags & RADEON_IS_AGP) {
+ val = DRM_READ32(dev_priv->ring_rptr, off);
+ } else {
+ val = *(((volatile u32 *)
+ dev_priv->ring_rptr->handle) +
+ (off / sizeof(u32)));
+ val = le32_to_cpu(val);
+ }
+ return val;
+}
+
+u32 radeon_get_ring_head(drm_radeon_private_t *dev_priv)
+{
+ if (dev_priv->writeback_works)
+ return radeon_read_ring_rptr(dev_priv, 0);
+ else
+ return RADEON_READ(RADEON_CP_RB_RPTR);
+}
+
+static void radeon_write_ring_rptr(drm_radeon_private_t *dev_priv, u32 off, u32 val)
+{
+ if (dev_priv->flags & RADEON_IS_AGP)
+ DRM_WRITE32(dev_priv->ring_rptr, off, val);
+ else
+ *(((volatile u32 *) dev_priv->ring_rptr->handle) +
+ (off / sizeof(u32))) = cpu_to_le32(val);
+}
+
+void radeon_set_ring_head(drm_radeon_private_t *dev_priv, u32 val)
+{
+ radeon_write_ring_rptr(dev_priv, 0, val);
+}
+
+u32 radeon_get_scratch(drm_radeon_private_t *dev_priv, int index)
+{
+ if (dev_priv->writeback_works)
+ return radeon_read_ring_rptr(dev_priv,
+ RADEON_SCRATCHOFF(index));
+ else
+ return RADEON_READ(RADEON_SCRATCH_REG0 + 4*index);
+}
+
static u32 R500_READ_MCIND(drm_radeon_private_t *dev_priv, int addr)
{
u32 ret;
RADEON_WRITE(RADEON_SCRATCH_ADDR, RADEON_READ(RADEON_CP_RB_RPTR_ADDR)
+ RADEON_SCRATCH_REG_OFFSET);
- dev_priv->scratch = ((__volatile__ u32 *)
- dev_priv->ring_rptr->handle +
- (RADEON_SCRATCH_REG_OFFSET / sizeof(u32)));
-
RADEON_WRITE(RADEON_SCRATCH_UMSK, 0x7);
/* Turn on bus mastering */
RADEON_WRITE(RADEON_BUS_CNTL, tmp);
} /* PCIE cards appears to not need this */
- dev_priv->scratch[0] = 0;
+ radeon_write_ring_rptr(dev_priv, RADEON_SCRATCHOFF(0), 0);
RADEON_WRITE(RADEON_LAST_FRAME_REG, 0);
- dev_priv->scratch[1] = 0;
+ radeon_write_ring_rptr(dev_priv, RADEON_SCRATCHOFF(1), 0);
RADEON_WRITE(RADEON_LAST_DISPATCH_REG, 0);
- dev_priv->scratch[2] = 0;
+ radeon_write_ring_rptr(dev_priv, RADEON_SCRATCHOFF(2), 0);
RADEON_WRITE(RADEON_LAST_CLEAR_REG, 0);
/* reset sarea copies of these */
/* Writeback doesn't seem to work everywhere, test it here and possibly
* enable it if it appears to work
*/
- DRM_WRITE32(dev_priv->ring_rptr, RADEON_SCRATCHOFF(1), 0);
+ radeon_write_ring_rptr(dev_priv, RADEON_SCRATCHOFF(1), 0);
+
RADEON_WRITE(RADEON_SCRATCH_REG1, 0xdeadbeef);
for (tmp = 0; tmp < dev_priv->usec_timeout; tmp++) {
- if (DRM_READ32(dev_priv->ring_rptr, RADEON_SCRATCHOFF(1)) ==
- 0xdeadbeef)
+ u32 val;
+
+ val = radeon_read_ring_rptr(dev_priv, RADEON_SCRATCHOFF(1));
+ if (val == 0xdeadbeef)
break;
DRM_UDELAY(1);
}
start = dev_priv->last_buf;
for (t = 0; t < dev_priv->usec_timeout; t++) {
- u32 done_age = GET_SCRATCH(1);
+ u32 done_age = GET_SCRATCH(dev_priv, 1);
DRM_DEBUG("done_age = %d\n", done_age);
for (i = start; i < dma->buf_count; i++) {
buf = dma->buflist[i];
struct drm_buf *buf;
int i, t;
int start;
- u32 done_age = DRM_READ32(dev_priv->ring_rptr, RADEON_SCRATCHOFF(1));
+ u32 done_age;
+ done_age = radeon_read_ring_rptr(dev_priv, RADEON_SCRATCHOFF(1));
if (++dev_priv->last_buf >= dma->buf_count)
dev_priv->last_buf = 0;