1 /* 2 * Copyright 2017 Red Hat Inc. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18 * 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 OR 20 * 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 33 int 34 gf100_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 } else 50 if (!(ret = nvif_unvers(ret, &argv, &argc, args->vn))) { 51 } else 52 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 68 int 69 gf100_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 } else 82 if (!(ret = nvif_unvers(ret, &argv, &argc, args->vn))) { 83 contig = false; 84 } else 85 return ret; 86 87 if (mmu->type[type].type & (NVKM_MEM_DISP | NVKM_MEM_COMP)) 88 type = NVKM_RAM_MM_NORMAL; 89 else 90 type = NVKM_RAM_MM_MIXED; 91 92 return nvkm_ram_get(mmu->subdev.device, type, 0x01, page, 93 size, contig, false, pmemory); 94 } 95