95 lines · c
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/bar.h>26#include <subdev/fb.h>27 28#include <nvif/class.h>29#include <nvif/if900b.h>30#include <nvif/if900d.h>31#include <nvif/unpack.h>32 33int34gf100_mem_map(struct nvkm_mmu *mmu, struct nvkm_memory *memory, void *argv,35 u32 argc, u64 *paddr, u64 *psize, struct nvkm_vma **pvma)36{37 struct gf100_vmm_map_v0 uvmm = {};38 union {39 struct gf100_mem_map_vn vn;40 struct gf100_mem_map_v0 v0;41 } *args = argv;42 struct nvkm_device *device = mmu->subdev.device;43 struct nvkm_vmm *bar = nvkm_bar_bar1_vmm(device);44 int ret = -ENOSYS;45 46 if (!(ret = nvif_unpack(ret, &argv, &argc, args->v0, 0, 0, false))) {47 uvmm.ro = args->v0.ro;48 uvmm.kind = args->v0.kind;49 } else50 if (!(ret = nvif_unvers(ret, &argv, &argc, args->vn))) {51 } else52 return ret;53 54 ret = nvkm_vmm_get(bar, nvkm_memory_page(memory),55 nvkm_memory_size(memory), pvma);56 if (ret)57 return ret;58 59 ret = nvkm_memory_map(memory, 0, bar, *pvma, &uvmm, sizeof(uvmm));60 if (ret)61 return ret;62 63 *paddr = device->func->resource_addr(device, 1) + (*pvma)->addr;64 *psize = (*pvma)->size;65 return 0;66}67 68int69gf100_mem_new(struct nvkm_mmu *mmu, int type, u8 page, u64 size,70 void *argv, u32 argc, struct nvkm_memory **pmemory)71{72 union {73 struct gf100_mem_vn vn;74 struct gf100_mem_v0 v0;75 } *args = argv;76 int ret = -ENOSYS;77 bool contig;78 79 if (!(ret = nvif_unpack(ret, &argv, &argc, args->v0, 0, 0, false))) {80 contig = args->v0.contig;81 } else82 if (!(ret = nvif_unvers(ret, &argv, &argc, args->vn))) {83 contig = false;84 } else85 return ret;86 87 if (mmu->type[type].type & (NVKM_MEM_DISP | NVKM_MEM_COMP))88 type = NVKM_RAM_MM_NORMAL;89 else90 type = NVKM_RAM_MM_MIXED;91 92 return nvkm_ram_get(mmu->subdev.device, type, 0x01, page,93 size, contig, false, pmemory);94}95