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1/*2 * Copyright 2012 Red Hat Inc.3 *4 * Permission is hereby granted, free of charge, to any person obtaining a5 * copy of this software and associated documentation files (the "Software"),6 * to deal in the Software without restriction, including without limitation7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,8 * and/or sell copies of the Software, and to permit persons to whom the9 * Software is furnished to do so, subject to the following conditions:10 *11 * The above copyright notice and this permission notice shall be included in12 * all copies or substantial portions of the Software.13 *14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR20 * OTHER DEALINGS IN THE SOFTWARE.21 *22 * Authors: Ben Skeggs23 */24#include "mem.h"25#include "vmm.h"26 27#include <core/option.h>28 29#include <nvif/class.h>30 31static void32nv41_mmu_init(struct nvkm_mmu *mmu)33{34 struct nvkm_device *device = mmu->subdev.device;35 nvkm_wr32(device, 0x100800, 0x00000002 | mmu->vmm->pd->pt[0]->addr);36 nvkm_mask(device, 0x10008c, 0x00000100, 0x00000100);37 nvkm_wr32(device, 0x100820, 0x00000000);38}39 40static const struct nvkm_mmu_func41nv41_mmu = {42 .init = nv41_mmu_init,43 .dma_bits = 39,44 .mmu = {{ -1, -1, NVIF_CLASS_MMU_NV04}},45 .mem = {{ -1, -1, NVIF_CLASS_MEM_NV04}, nv04_mem_new, nv04_mem_map },46 .vmm = {{ -1, -1, NVIF_CLASS_VMM_NV04}, nv41_vmm_new, true },47};48 49int50nv41_mmu_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,51 struct nvkm_mmu **pmmu)52{53 if (device->type == NVKM_DEVICE_AGP ||54 !nvkm_boolopt(device->cfgopt, "NvPCIE", true))55 return nv04_mmu_new(device, type, inst, pmmu);56 57 return nvkm_mmu_new_(&nv41_mmu, device, type, inst, pmmu);58}59