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path: root/drivers/gpu/drm/nouveau/nvc0_instmem.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nvc0_instmem.c')
-rw-r--r--drivers/gpu/drm/nouveau/nvc0_instmem.c223
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);
-}
-
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.