drm/nouveau: restructure source tree, split core from drm implementation

Future work will be headed in the way of separating the policy supplied by
the nouveau drm module from the mechanisms provided by the driver core.

There will be a couple of major classes (subdev, engine) of driver modules
that have clearly defined tasks, and the further directory structure change
is to reflect this.

No code changes here whatsoever, aside from fixing up a couple of include
file pathnames.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

1 files changed, 0 insertions, 223 deletions

diff --git a/drivers/gpu/drm/nouveau/nvc0_instmem.c b/drivers/gpu/drm/nouveau/nvc0_instmem.c
deleted file mode 100644
index b701c439c92e..000000000000
--- a/drivers/gpu/drm/nouveau/nvc0_instmem.c
+++ /dev/null
@@ -1,223 +0,0 @@
-/*
- * Copyright 2010 Red Hat Inc.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
- * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
- * OTHER DEALINGS IN THE SOFTWARE.
- *
- * Authors: Ben Skeggs
- */
-
-#include "drmP.h"
-
-#include "nouveau_drv.h"
-#include "nouveau_vm.h"
-
-struct nvc0_instmem_priv {
-	struct nouveau_gpuobj  *bar1_pgd;
-	struct nouveau_channel *bar1;
-	struct nouveau_gpuobj  *bar3_pgd;
-	struct nouveau_channel *bar3;
-};
-
-int
-nvc0_instmem_suspend(struct drm_device *dev)
-{
-	struct drm_nouveau_private *dev_priv = dev->dev_private;
-
-	dev_priv->ramin_available = false;
-	return 0;
-}
-
-void
-nvc0_instmem_resume(struct drm_device *dev)
-{
-	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	struct nvc0_instmem_priv *priv = dev_priv->engine.instmem.priv;
-
-	nv_mask(dev, 0x100c80, 0x00000001, 0x00000000);
-	nv_wr32(dev, 0x001704, 0x80000000 | priv->bar1->ramin->vinst >> 12);
-	nv_wr32(dev, 0x001714, 0xc0000000 | priv->bar3->ramin->vinst >> 12);
-	dev_priv->ramin_available = true;
-}
-
-static void
-nvc0_channel_del(struct nouveau_channel **pchan)
-{
-	struct nouveau_channel *chan;
-
-	chan = *pchan;
-	*pchan = NULL;
-	if (!chan)
-		return;
-
-	nouveau_vm_ref(NULL, &chan->vm, NULL);
-	if (drm_mm_initialized(&chan->ramin_heap))
-		drm_mm_takedown(&chan->ramin_heap);
-	nouveau_gpuobj_ref(NULL, &chan->ramin);
-	kfree(chan);
-}
-
-static int
-nvc0_channel_new(struct drm_device *dev, u32 size, struct nouveau_vm *vm,
-		 struct nouveau_channel **pchan,
-		 struct nouveau_gpuobj *pgd, u64 vm_size)
-{
-	struct nouveau_channel *chan;
-	int ret;
-
-	chan = kzalloc(sizeof(*chan), GFP_KERNEL);
-	if (!chan)
-		return -ENOMEM;
-	chan->dev = dev;
-
-	ret = nouveau_gpuobj_new(dev, NULL, size, 0x1000, 0, &chan->ramin);
-	if (ret) {
-		nvc0_channel_del(&chan);
-		return ret;
-	}
-
-	ret = drm_mm_init(&chan->ramin_heap, 0x1000, size - 0x1000);
-	if (ret) {
-		nvc0_channel_del(&chan);
-		return ret;
-	}
-
-	ret = nouveau_vm_ref(vm, &chan->vm, NULL);
-	if (ret) {
-		nvc0_channel_del(&chan);
-		return ret;
-	}
-
-	nv_wo32(chan->ramin, 0x0200, lower_32_bits(pgd->vinst));
-	nv_wo32(chan->ramin, 0x0204, upper_32_bits(pgd->vinst));
-	nv_wo32(chan->ramin, 0x0208, lower_32_bits(vm_size - 1));
-	nv_wo32(chan->ramin, 0x020c, upper_32_bits(vm_size - 1));
-
-	*pchan = chan;
-	return 0;
-}
-
-int
-nvc0_instmem_init(struct drm_device *dev)
-{
-	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	struct nouveau_instmem_engine *pinstmem = &dev_priv->engine.instmem;
-	struct pci_dev *pdev = dev->pdev;
-	struct nvc0_instmem_priv *priv;
-	struct nouveau_vm *vm = NULL;
-	int ret;
-
-	priv = kzalloc(sizeof(*priv), GFP_KERNEL);
-	if (!priv)
-		return -ENOMEM;
-	pinstmem->priv = priv;
-
-	/* BAR3 VM */
-	ret = nouveau_vm_new(dev, 0, pci_resource_len(pdev, 3), 0,
-			     &dev_priv->bar3_vm);
-	if (ret)
-		goto error;
-
-	ret = nouveau_gpuobj_new(dev, NULL,
-				 (pci_resource_len(pdev, 3) >> 12) * 8, 0,
-				 NVOBJ_FLAG_DONT_MAP |
-				 NVOBJ_FLAG_ZERO_ALLOC,
-				 &dev_priv->bar3_vm->pgt[0].obj[0]);
-	if (ret)
-		goto error;
-	dev_priv->bar3_vm->pgt[0].refcount[0] = 1;
-
-	nv50_instmem_map(dev_priv->bar3_vm->pgt[0].obj[0]);
-
-	ret = nouveau_gpuobj_new(dev, NULL, 0x8000, 4096,
-				 NVOBJ_FLAG_ZERO_ALLOC, &priv->bar3_pgd);
-	if (ret)
-		goto error;
-
-	ret = nouveau_vm_ref(dev_priv->bar3_vm, &vm, priv->bar3_pgd);
-	if (ret)
-		goto error;
-	nouveau_vm_ref(NULL, &vm, NULL);
-
-	ret = nvc0_channel_new(dev, 8192, dev_priv->bar3_vm, &priv->bar3,
-			       priv->bar3_pgd, pci_resource_len(dev->pdev, 3));
-	if (ret)
-		goto error;
-
-	/* BAR1 VM */
-	ret = nouveau_vm_new(dev, 0, pci_resource_len(pdev, 1), 0, &vm);
-	if (ret)
-		goto error;
-
-	ret = nouveau_gpuobj_new(dev, NULL, 0x8000, 4096,
-				 NVOBJ_FLAG_ZERO_ALLOC, &priv->bar1_pgd);
-	if (ret)
-		goto error;
-
-	ret = nouveau_vm_ref(vm, &dev_priv->bar1_vm, priv->bar1_pgd);
-	if (ret)
-		goto error;
-	nouveau_vm_ref(NULL, &vm, NULL);
-
-	ret = nvc0_channel_new(dev, 8192, dev_priv->bar1_vm, &priv->bar1,
-			       priv->bar1_pgd, pci_resource_len(dev->pdev, 1));
-	if (ret)
-		goto error;
-
-	/* channel vm */
-	ret = nouveau_vm_new(dev, 0, (1ULL << 40), 0x0008000000ULL,
-			     &dev_priv->chan_vm);
-	if (ret)
-		goto error;
-
-	nvc0_instmem_resume(dev);
-	return 0;
-error:
-	nvc0_instmem_takedown(dev);
-	return ret;
-}
-
-void
-nvc0_instmem_takedown(struct drm_device *dev)
-{
-	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	struct nvc0_instmem_priv *priv = dev_priv->engine.instmem.priv;
-	struct nouveau_vm *vm = NULL;
-
-	nvc0_instmem_suspend(dev);
-
-	nv_wr32(dev, 0x1704, 0x00000000);
-	nv_wr32(dev, 0x1714, 0x00000000);
-
-	nouveau_vm_ref(NULL, &dev_priv->chan_vm, NULL);
-
-	nvc0_channel_del(&priv->bar1);
-	nouveau_vm_ref(NULL, &dev_priv->bar1_vm, priv->bar1_pgd);
-	nouveau_gpuobj_ref(NULL, &priv->bar1_pgd);
-
-	nvc0_channel_del(&priv->bar3);
-	nouveau_vm_ref(dev_priv->bar3_vm, &vm, NULL);
-	nouveau_vm_ref(NULL, &vm, priv->bar3_pgd);
-	nouveau_gpuobj_ref(NULL, &priv->bar3_pgd);
-	nouveau_gpuobj_ref(NULL, &dev_priv->bar3_vm->pgt[0].obj[0]);
-	nouveau_vm_ref(NULL, &dev_priv->bar3_vm, NULL);
-
-	dev_priv->engine.instmem.priv = NULL;
-	kfree(priv);
-}
-