215 		if (dev_priv->ring.virtual_start)  in i810_dma_cleanup()
216 			drm_legacy_ioremapfree(&dev_priv->ring.map, dev);  in i810_dma_cleanup()
239 	drm_i810_ring_buffer_t *ring = &(dev_priv->ring);  in i810_wait_ring()  local
245 	while (ring->space < n) {  in i810_wait_ring()
246 		ring->head = I810_READ(LP_RING + RING_HEAD) & HEAD_ADDR;  in i810_wait_ring()
247 		ring->space = ring->head - (ring->tail + 8);  in i810_wait_ring()
248 		if (ring->space < 0)  in i810_wait_ring()
249 			ring->space += ring->Size;  in i810_wait_ring()
251 		if (ring->head != last_head) {  in i810_wait_ring()
253 			last_head = ring->head;  in i810_wait_ring()
258 			DRM_ERROR("space: %d wanted %d\n", ring->space, n);  in i810_wait_ring()
272 	drm_i810_ring_buffer_t *ring = &(dev_priv->ring);  in i810_kernel_lost_context()  local
274 	ring->head = I810_READ(LP_RING + RING_HEAD) & HEAD_ADDR;  in i810_kernel_lost_context()
275 	ring->tail = I810_READ(LP_RING + RING_TAIL);  in i810_kernel_lost_context()
276 	ring->space = ring->head - (ring->tail + 8);  in i810_kernel_lost_context()
277 	if (ring->space < 0)  in i810_kernel_lost_context()
278 		ring->space += ring->Size;  in i810_kernel_lost_context()
356 	dev_priv->ring.Start = init->ring_start;  in i810_dma_initialize()
357 	dev_priv->ring.End = init->ring_end;  in i810_dma_initialize()
358 	dev_priv->ring.Size = init->ring_size;  in i810_dma_initialize()
360 	dev_priv->ring.map.offset = dev->agp->base + init->ring_start;  in i810_dma_initialize()
361 	dev_priv->ring.map.size = init->ring_size;  in i810_dma_initialize()
362 	dev_priv->ring.map.type = _DRM_AGP;  in i810_dma_initialize()
363 	dev_priv->ring.map.flags = 0;  in i810_dma_initialize()
364 	dev_priv->ring.map.mtrr = 0;  in i810_dma_initialize()
366 	drm_legacy_ioremap(&dev_priv->ring.map, dev);  in i810_dma_initialize()
368 	if (dev_priv->ring.map.handle == NULL) {  in i810_dma_initialize()
376 	dev_priv->ring.virtual_start = dev_priv->ring.map.handle;  in i810_dma_initialize()
378 	dev_priv->ring.tail_mask = dev_priv->ring.Size - 1;  in i810_dma_initialize()
848 	i810_wait_ring(dev, dev_priv->ring.Size - 8);  in i810_dma_quiescent()
865 	i810_wait_ring(dev, dev_priv->ring.Size - 8);  in i810_flush_queue()