#include "drmP.h"
#include "drm.h"
#include "nouveau_drv.h"
+#include "nouveau_ramht.h"
/* returns the size of fifo context */
static int
return 32;
}
-static void
-nv04_instmem_determine_amount(struct drm_device *dev)
+int nv04_instmem_init(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
- int i;
+ struct nouveau_gpuobj *ramht = NULL;
+ u32 offset, length;
+ int ret;
- /* Figure out how much instance memory we need */
- if (dev_priv->card_type >= NV_40) {
- /* We'll want more instance memory than this on some NV4x cards.
- * There's a 16MB aperture to play with that maps onto the end
- * of vram. For now, only reserve a small piece until we know
- * more about what each chipset requires.
- */
- switch (dev_priv->chipset) {
- case 0x40:
- case 0x47:
- case 0x49:
- case 0x4b:
- dev_priv->ramin_rsvd_vram = (2 * 1024 * 1024);
- break;
- default:
- dev_priv->ramin_rsvd_vram = (1 * 1024 * 1024);
- break;
- }
- } else {
- /*XXX: what *are* the limits on <NV40 cards?
- */
- dev_priv->ramin_rsvd_vram = (512 * 1024);
- }
- NV_DEBUG(dev, "RAMIN size: %dKiB\n", dev_priv->ramin_rsvd_vram >> 10);
+ /* RAMIN always available */
+ dev_priv->ramin_available = true;
- /* Clear all of it, except the BIOS image that's in the first 64KiB */
- for (i = 64 * 1024; i < dev_priv->ramin_rsvd_vram; i += 4)
- nv_wi32(dev, i, 0x00000000);
-}
+ /* Setup shared RAMHT */
+ ret = nouveau_gpuobj_new_fake(dev, 0x10000, ~0, 4096,
+ NVOBJ_FLAG_ZERO_ALLOC, &ramht);
+ if (ret)
+ return ret;
-static void
-nv04_instmem_configure_fixed_tables(struct drm_device *dev)
-{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- struct nouveau_engine *engine = &dev_priv->engine;
+ ret = nouveau_ramht_new(dev, ramht, &dev_priv->ramht);
+ nouveau_gpuobj_ref(NULL, &ramht);
+ if (ret)
+ return ret;
- /* FIFO hash table (RAMHT)
- * use 4k hash table at RAMIN+0x10000
- * TODO: extend the hash table
- */
- dev_priv->ramht_offset = 0x10000;
- dev_priv->ramht_bits = 9;
- dev_priv->ramht_size = (1 << dev_priv->ramht_bits); /* nr entries */
- dev_priv->ramht_size *= 8; /* 2 32-bit values per entry in RAMHT */
- NV_DEBUG(dev, "RAMHT offset=0x%x, size=%d\n", dev_priv->ramht_offset,
- dev_priv->ramht_size);
-
- /* FIFO runout table (RAMRO) - 512k at 0x11200 */
- dev_priv->ramro_offset = 0x11200;
- dev_priv->ramro_size = 512;
- NV_DEBUG(dev, "RAMRO offset=0x%x, size=%d\n", dev_priv->ramro_offset,
- dev_priv->ramro_size);
-
- /* FIFO context table (RAMFC)
- * NV40 : Not sure exactly how to position RAMFC on some cards,
- * 0x30002 seems to position it at RAMIN+0x20000 on these
- * cards. RAMFC is 4kb (32 fifos, 128byte entries).
- * Others: Position RAMFC at RAMIN+0x11400
- */
- dev_priv->ramfc_size = engine->fifo.channels *
- nouveau_fifo_ctx_size(dev);
+ /* And RAMRO */
+ ret = nouveau_gpuobj_new_fake(dev, 0x11200, ~0, 512,
+ NVOBJ_FLAG_ZERO_ALLOC, &dev_priv->ramro);
+ if (ret)
+ return ret;
+
+ /* And RAMFC */
+ length = dev_priv->engine.fifo.channels * nouveau_fifo_ctx_size(dev);
switch (dev_priv->card_type) {
case NV_40:
- dev_priv->ramfc_offset = 0x20000;
+ offset = 0x20000;
break;
- case NV_30:
- case NV_20:
- case NV_10:
- case NV_04:
default:
- dev_priv->ramfc_offset = 0x11400;
+ offset = 0x11400;
break;
}
- NV_DEBUG(dev, "RAMFC offset=0x%x, size=%d\n", dev_priv->ramfc_offset,
- dev_priv->ramfc_size);
-}
-int nv04_instmem_init(struct drm_device *dev)
-{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- uint32_t offset;
- int ret;
-
- nv04_instmem_determine_amount(dev);
- nv04_instmem_configure_fixed_tables(dev);
+ ret = nouveau_gpuobj_new_fake(dev, offset, ~0, length,
+ NVOBJ_FLAG_ZERO_ALLOC, &dev_priv->ramfc);
+ if (ret)
+ return ret;
- /* Create a heap to manage RAMIN allocations, we don't allocate
- * the space that was reserved for RAMHT/FC/RO.
- */
- offset = dev_priv->ramfc_offset + dev_priv->ramfc_size;
+ /* Only allow space after RAMFC to be used for object allocation */
+ offset += length;
/* It appears RAMRO (or something?) is controlled by 0x2220/0x2230
* on certain NV4x chipsets as well as RAMFC. When 0x2230 == 0
void
nv04_instmem_takedown(struct drm_device *dev)
{
+ struct drm_nouveau_private *dev_priv = dev->dev_private;
+
+ nouveau_ramht_ref(NULL, &dev_priv->ramht, NULL);
+ nouveau_gpuobj_ref(NULL, &dev_priv->ramro);
+ nouveau_gpuobj_ref(NULL, &dev_priv->ramfc);
}
int
-nv04_instmem_populate(struct drm_device *dev, struct nouveau_gpuobj *gpuobj, uint32_t *sz)
+nv04_instmem_populate(struct drm_device *dev, struct nouveau_gpuobj *gpuobj,
+ uint32_t *sz)
{
- if (gpuobj->im_backing)
- return -EINVAL;
-
return 0;
}
void
nv04_instmem_clear(struct drm_device *dev, struct nouveau_gpuobj *gpuobj)
{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
-
- if (gpuobj && gpuobj->im_backing) {
- if (gpuobj->im_bound)
- dev_priv->engine.instmem.unbind(dev, gpuobj);
- gpuobj->im_backing = NULL;
- }
}
int
nv04_instmem_bind(struct drm_device *dev, struct nouveau_gpuobj *gpuobj)
{
- if (!gpuobj->im_pramin || gpuobj->im_bound)
- return -EINVAL;
-
- gpuobj->im_bound = 1;
return 0;
}
int
nv04_instmem_unbind(struct drm_device *dev, struct nouveau_gpuobj *gpuobj)
{
- if (gpuobj->im_bound == 0)
- return -EINVAL;
-
- gpuobj->im_bound = 0;
return 0;
}
projects / mv-sheeva.git / blobdiff