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 | 128 |
1 files changed, 63 insertions, 65 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv04.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv04.c index fe93ea2711c9..37927c3fdc3e 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv04.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/nv04.c @@ -23,7 +23,6 @@ */ #include "nv04.h" -#include <core/device.h> #include <core/gpuobj.h> #define NV04_PDMA_SIZE (128 * 1024 * 1024) @@ -34,30 +33,34 @@ ******************************************************************************/ static void -nv04_vm_map_sg(struct nvkm_vma *vma, struct nvkm_gpuobj *pgt, +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--) { - nv_wo32(pgt, pte, phys | 3); + nvkm_wo32(pgt, pte, phys | 3); phys += NV04_PDMA_PAGE; pte += 4; cnt -= 1; } } + nvkm_done(pgt); } static void -nv04_vm_unmap(struct nvkm_gpuobj *pgt, u32 pte, u32 cnt) +nv04_vm_unmap(struct nvkm_vma *vma, struct nvkm_memory *pgt, u32 pte, u32 cnt) { pte = 0x00008 + (pte * 4); + nvkm_kmap(pgt); while (cnt--) { - nv_wo32(pgt, pte, 0x00000000); + nvkm_wo32(pgt, pte, 0x00000000); pte += 4; } + nvkm_done(pgt); } static void @@ -66,86 +69,81 @@ nv04_vm_flush(struct nvkm_vm *vm) } /******************************************************************************* - * VM object - ******************************************************************************/ - -int -nv04_vm_create(struct nvkm_mmu *mmu, u64 offset, u64 length, u64 mmstart, - struct nvkm_vm **pvm) -{ - return -EINVAL; -} - -/******************************************************************************* * MMU subdev ******************************************************************************/ static int -nv04_mmu_ctor(struct nvkm_object *parent, struct nvkm_object *engine, - struct nvkm_oclass *oclass, void *data, u32 size, - struct nvkm_object **pobject) +nv04_mmu_oneinit(struct nvkm_mmu *base) { - struct nv04_mmu_priv *priv; - struct nvkm_gpuobj *dma; + struct nv04_mmu *mmu = nv04_mmu(base); + struct nvkm_device *device = mmu->base.subdev.device; + struct nvkm_memory *dma; int ret; - ret = nvkm_mmu_create(parent, engine, oclass, "PCIGART", - "pcigart", &priv); - *pobject = nv_object(priv); - if (ret) - return ret; - - priv->base.create = nv04_vm_create; - priv->base.limit = NV04_PDMA_SIZE; - priv->base.dma_bits = 32; - priv->base.pgt_bits = 32 - 12; - priv->base.spg_shift = 12; - priv->base.lpg_shift = 12; - priv->base.map_sg = nv04_vm_map_sg; - priv->base.unmap = nv04_vm_unmap; - priv->base.flush = nv04_vm_flush; - - ret = nvkm_vm_create(&priv->base, 0, NV04_PDMA_SIZE, 0, 4096, - &priv->vm); + ret = nvkm_vm_create(&mmu->base, 0, NV04_PDMA_SIZE, 0, 4096, NULL, + &mmu->vm); if (ret) return ret; - ret = nvkm_gpuobj_new(nv_object(priv), NULL, + ret = nvkm_memory_new(device, NVKM_MEM_TARGET_INST, (NV04_PDMA_SIZE / NV04_PDMA_PAGE) * 4 + 8, - 16, NVOBJ_FLAG_ZERO_ALLOC, - &priv->vm->pgt[0].obj[0]); - dma = priv->vm->pgt[0].obj[0]; - priv->vm->pgt[0].refcount[0] = 1; + 16, true, &dma); + mmu->vm->pgt[0].mem[0] = dma; + mmu->vm->pgt[0].refcount[0] = 1; if (ret) return ret; - nv_wo32(dma, 0x00000, 0x0002103d); /* PCI, RW, PT, !LN */ - nv_wo32(dma, 0x00004, NV04_PDMA_SIZE - 1); + 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_object *object) +void * +nv04_mmu_dtor(struct nvkm_mmu *base) { - struct nv04_mmu_priv *priv = (void *)object; - if (priv->vm) { - nvkm_gpuobj_ref(NULL, &priv->vm->pgt[0].obj[0]); - nvkm_vm_ref(NULL, &priv->vm, NULL); + 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 (priv->nullp) { - pci_free_consistent(nv_device(priv)->pdev, 16 * 1024, - priv->nullp, priv->null); + if (mmu->nullp) { + dma_free_coherent(device->dev, 16 * 1024, + mmu->nullp, mmu->null); } - nvkm_mmu_destroy(&priv->base); + 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; } -struct nvkm_oclass -nv04_mmu_oclass = { - .handle = NV_SUBDEV(MMU, 0x04), - .ofuncs = &(struct nvkm_ofuncs) { - .ctor = nv04_mmu_ctor, - .dtor = nv04_mmu_dtor, - .init = _nvkm_mmu_init, - .fini = _nvkm_mmu_fini, - }, +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, }; + +int +nv04_mmu_new(struct nvkm_device *device, int index, struct nvkm_mmu **pmmu) +{ + return nv04_mmu_new_(&nv04_mmu, device, index, pmmu); +} |