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path: root/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv04.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv04.c')
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv04.c122
1 files changed, 7 insertions, 115 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv04.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv04.c
index 37927c3fdc3e..d201c887c2cd 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv04.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv04.c
@@ -21,129 +21,21 @@
*
* Authors: Ben Skeggs
*/
-#include "nv04.h"
+#include "mem.h"
+#include "vmm.h"
-#include <core/gpuobj.h>
-
-#define NV04_PDMA_SIZE (128 * 1024 * 1024)
-#define NV04_PDMA_PAGE ( 4 * 1024)
-
-/*******************************************************************************
- * VM map/unmap callbacks
- ******************************************************************************/
-
-static void
-nv04_vm_map_sg(struct nvkm_vma *vma, struct nvkm_memory *pgt,
- struct nvkm_mem *mem, u32 pte, u32 cnt, dma_addr_t *list)
-{
- pte = 0x00008 + (pte * 4);
- nvkm_kmap(pgt);
- while (cnt) {
- u32 page = PAGE_SIZE / NV04_PDMA_PAGE;
- u32 phys = (u32)*list++;
- while (cnt && page--) {
- nvkm_wo32(pgt, pte, phys | 3);
- phys += NV04_PDMA_PAGE;
- pte += 4;
- cnt -= 1;
- }
- }
- nvkm_done(pgt);
-}
-
-static void
-nv04_vm_unmap(struct nvkm_vma *vma, struct nvkm_memory *pgt, u32 pte, u32 cnt)
-{
- pte = 0x00008 + (pte * 4);
- nvkm_kmap(pgt);
- while (cnt--) {
- nvkm_wo32(pgt, pte, 0x00000000);
- pte += 4;
- }
- nvkm_done(pgt);
-}
-
-static void
-nv04_vm_flush(struct nvkm_vm *vm)
-{
-}
-
-/*******************************************************************************
- * MMU subdev
- ******************************************************************************/
-
-static int
-nv04_mmu_oneinit(struct nvkm_mmu *base)
-{
- struct nv04_mmu *mmu = nv04_mmu(base);
- struct nvkm_device *device = mmu->base.subdev.device;
- struct nvkm_memory *dma;
- int ret;
-
- ret = nvkm_vm_create(&mmu->base, 0, NV04_PDMA_SIZE, 0, 4096, NULL,
- &mmu->vm);
- if (ret)
- return ret;
-
- ret = nvkm_memory_new(device, NVKM_MEM_TARGET_INST,
- (NV04_PDMA_SIZE / NV04_PDMA_PAGE) * 4 + 8,
- 16, true, &dma);
- mmu->vm->pgt[0].mem[0] = dma;
- mmu->vm->pgt[0].refcount[0] = 1;
- if (ret)
- return ret;
-
- nvkm_kmap(dma);
- nvkm_wo32(dma, 0x00000, 0x0002103d); /* PCI, RW, PT, !LN */
- nvkm_wo32(dma, 0x00004, NV04_PDMA_SIZE - 1);
- nvkm_done(dma);
- return 0;
-}
-
-void *
-nv04_mmu_dtor(struct nvkm_mmu *base)
-{
- struct nv04_mmu *mmu = nv04_mmu(base);
- struct nvkm_device *device = mmu->base.subdev.device;
- if (mmu->vm) {
- nvkm_memory_del(&mmu->vm->pgt[0].mem[0]);
- nvkm_vm_ref(NULL, &mmu->vm, NULL);
- }
- if (mmu->nullp) {
- dma_free_coherent(device->dev, 16 * 1024,
- mmu->nullp, mmu->null);
- }
- return mmu;
-}
-
-int
-nv04_mmu_new_(const struct nvkm_mmu_func *func, struct nvkm_device *device,
- int index, struct nvkm_mmu **pmmu)
-{
- struct nv04_mmu *mmu;
- if (!(mmu = kzalloc(sizeof(*mmu), GFP_KERNEL)))
- return -ENOMEM;
- *pmmu = &mmu->base;
- nvkm_mmu_ctor(func, device, index, &mmu->base);
- return 0;
-}
+#include <nvif/class.h>
const struct nvkm_mmu_func
nv04_mmu = {
- .oneinit = nv04_mmu_oneinit,
- .dtor = nv04_mmu_dtor,
- .limit = NV04_PDMA_SIZE,
.dma_bits = 32,
- .pgt_bits = 32 - 12,
- .spg_shift = 12,
- .lpg_shift = 12,
- .map_sg = nv04_vm_map_sg,
- .unmap = nv04_vm_unmap,
- .flush = nv04_vm_flush,
+ .mmu = {{ -1, -1, NVIF_CLASS_MMU_NV04}},
+ .mem = {{ -1, -1, NVIF_CLASS_MEM_NV04}, nv04_mem_new, nv04_mem_map },
+ .vmm = {{ -1, -1, NVIF_CLASS_VMM_NV04}, nv04_vmm_new, true },
};
int
nv04_mmu_new(struct nvkm_device *device, int index, struct nvkm_mmu **pmmu)
{
- return nv04_mmu_new_(&nv04_mmu, device, index, pmmu);
+ return nvkm_mmu_new_(&nv04_mmu, device, index, pmmu);
}