diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv04.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv04.c | 122 |
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); } |