summaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/nouveau/nv04_instmem.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/nouveau/nv04_instmem.c')
-rw-r--r--drivers/gpu/drm/nouveau/nv04_instmem.c193
1 files changed, 0 insertions, 193 deletions
diff --git a/drivers/gpu/drm/nouveau/nv04_instmem.c b/drivers/gpu/drm/nouveau/nv04_instmem.c
deleted file mode 100644
index ef7a934a499..00000000000
--- a/drivers/gpu/drm/nouveau/nv04_instmem.c
+++ /dev/null
@@ -1,193 +0,0 @@
-#include "drmP.h"
-#include "drm.h"
-
-#include "nouveau_drv.h"
-#include "nouveau_fifo.h"
-#include "nouveau_ramht.h"
-
-/* returns the size of fifo context */
-static int
-nouveau_fifo_ctx_size(struct drm_device *dev)
-{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
-
- if (dev_priv->chipset >= 0x40)
- return 128 * 32;
- else
- if (dev_priv->chipset >= 0x17)
- return 64 * 32;
- else
- if (dev_priv->chipset >= 0x10)
- return 32 * 32;
-
- return 32 * 16;
-}
-
-int nv04_instmem_init(struct drm_device *dev)
-{
- struct drm_nouveau_private *dev_priv = dev->dev_private;
- struct nouveau_gpuobj *ramht = NULL;
- u32 offset, length;
- int ret;
-
- /* RAMIN always available */
- dev_priv->ramin_available = true;
-
- /* Reserve space at end of VRAM for PRAMIN */
- if (dev_priv->card_type >= NV_40) {
- u32 vs = hweight8((nv_rd32(dev, 0x001540) & 0x0000ff00) >> 8);
- u32 rsvd;
-
- /* estimate grctx size, the magics come from nv40_grctx.c */
- if (dev_priv->chipset == 0x40) rsvd = 0x6aa0 * vs;
- else if (dev_priv->chipset < 0x43) rsvd = 0x4f00 * vs;
- else if (nv44_graph_class(dev)) rsvd = 0x4980 * vs;
- else rsvd = 0x4a40 * vs;
- rsvd += 16 * 1024;
- rsvd *= 32; /* per-channel */
-
- rsvd += 512 * 1024; /* pci(e)gart table */
- rsvd += 512 * 1024; /* object storage */
-
- dev_priv->ramin_rsvd_vram = round_up(rsvd, 4096);
- } else {
- dev_priv->ramin_rsvd_vram = 512 * 1024;
- }
-
- /* Setup shared RAMHT */
- ret = nouveau_gpuobj_new_fake(dev, 0x10000, ~0, 4096,
- NVOBJ_FLAG_ZERO_ALLOC, &ramht);
- if (ret)
- return ret;
-
- ret = nouveau_ramht_new(dev, ramht, &dev_priv->ramht);
- nouveau_gpuobj_ref(NULL, &ramht);
- if (ret)
- return ret;
-
- /* 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 = nouveau_fifo_ctx_size(dev);
- switch (dev_priv->card_type) {
- case NV_40:
- offset = 0x20000;
- break;
- default:
- offset = 0x11400;
- break;
- }
-
- ret = nouveau_gpuobj_new_fake(dev, offset, ~0, length,
- NVOBJ_FLAG_ZERO_ALLOC, &dev_priv->ramfc);
- if (ret)
- return ret;
-
- /* 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
- * ("new style" control) the upper 16-bits of 0x2220 points at this
- * other mysterious table that's clobbering important things.
- *
- * We're now pointing this at RAMIN+0x30000 to avoid RAMFC getting
- * smashed to pieces on us, so reserve 0x30000-0x40000 too..
- */
- if (dev_priv->card_type >= NV_40) {
- if (offset < 0x40000)
- offset = 0x40000;
- }
-
- ret = drm_mm_init(&dev_priv->ramin_heap, offset,
- dev_priv->ramin_rsvd_vram - offset);
- if (ret) {
- NV_ERROR(dev, "Failed to init RAMIN heap: %d\n", ret);
- return ret;
- }
-
- return 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);
-
- if (drm_mm_initialized(&dev_priv->ramin_heap))
- drm_mm_takedown(&dev_priv->ramin_heap);
-}
-
-int
-nv04_instmem_suspend(struct drm_device *dev)
-{
- return 0;
-}
-
-void
-nv04_instmem_resume(struct drm_device *dev)
-{
-}
-
-int
-nv04_instmem_get(struct nouveau_gpuobj *gpuobj, struct nouveau_channel *chan,
- u32 size, u32 align)
-{
- struct drm_nouveau_private *dev_priv = gpuobj->dev->dev_private;
- struct drm_mm_node *ramin = NULL;
-
- do {
- if (drm_mm_pre_get(&dev_priv->ramin_heap))
- return -ENOMEM;
-
- spin_lock(&dev_priv->ramin_lock);
- ramin = drm_mm_search_free(&dev_priv->ramin_heap, size, align, 0);
- if (ramin == NULL) {
- spin_unlock(&dev_priv->ramin_lock);
- return -ENOMEM;
- }
-
- ramin = drm_mm_get_block_atomic(ramin, size, align);
- spin_unlock(&dev_priv->ramin_lock);
- } while (ramin == NULL);
-
- gpuobj->node = ramin;
- gpuobj->vinst = ramin->start;
- return 0;
-}
-
-void
-nv04_instmem_put(struct nouveau_gpuobj *gpuobj)
-{
- struct drm_nouveau_private *dev_priv = gpuobj->dev->dev_private;
-
- spin_lock(&dev_priv->ramin_lock);
- drm_mm_put_block(gpuobj->node);
- gpuobj->node = NULL;
- spin_unlock(&dev_priv->ramin_lock);
-}
-
-int
-nv04_instmem_map(struct nouveau_gpuobj *gpuobj)
-{
- gpuobj->pinst = gpuobj->vinst;
- return 0;
-}
-
-void
-nv04_instmem_unmap(struct nouveau_gpuobj *gpuobj)
-{
-}
-
-void
-nv04_instmem_flush(struct drm_device *dev)
-{
-}