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1/*2 * Copyright 2017 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#include "mem.h"23 24#include <core/memory.h>25#include <subdev/fb.h>26 27#include <nvif/if000b.h>28#include <nvif/unpack.h>29 30int31nv04_mem_map(struct nvkm_mmu *mmu, struct nvkm_memory *memory, void *argv,32 u32 argc, u64 *paddr, u64 *psize, struct nvkm_vma **pvma)33{34 union {35 struct nv04_mem_map_vn vn;36 } *args = argv;37 struct nvkm_device *device = mmu->subdev.device;38 const u64 addr = nvkm_memory_addr(memory);39 int ret = -ENOSYS;40 41 if ((ret = nvif_unvers(ret, &argv, &argc, args->vn)))42 return ret;43 44 *paddr = device->func->resource_addr(device, 1) + addr;45 *psize = nvkm_memory_size(memory);46 *pvma = ERR_PTR(-ENODEV);47 return 0;48}49 50int51nv04_mem_new(struct nvkm_mmu *mmu, int type, u8 page, u64 size,52 void *argv, u32 argc, struct nvkm_memory **pmemory)53{54 union {55 struct nv04_mem_vn vn;56 } *args = argv;57 int ret = -ENOSYS;58 59 if ((ret = nvif_unvers(ret, &argv, &argc, args->vn)))60 return ret;61 62 if (mmu->type[type].type & NVKM_MEM_MAPPABLE)63 type = NVKM_RAM_MM_NORMAL;64 else65 type = NVKM_RAM_MM_NOMAP;66 67 return nvkm_ram_get(mmu->subdev.device, type, 0x01, page,68 size, true, false, pmemory);69}70