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/if500b.h> 30 #include <nvif/if500d.h> 31 #include <nvif/unpack.h> 32 33 int 34 nv50_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 nv50_vmm_map_v0 uvmm = {}; 38 union { 39 struct nv50_mem_map_vn vn; 40 struct nv50_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 u64 size = nvkm_memory_size(memory); 45 int ret = -ENOSYS; 46 47 if (!(ret = nvif_unpack(ret, &argv, &argc, args->v0, 0, 0, false))) { 48 uvmm.ro = args->v0.ro; 49 uvmm.kind = args->v0.kind; 50 uvmm.comp = args->v0.comp; 51 } else 52 if (!(ret = nvif_unvers(ret, &argv, &argc, args->vn))) { 53 } else 54 return ret; 55 56 ret = nvkm_vmm_get(bar, 12, size, pvma); 57 if (ret) 58 return ret; 59 60 *paddr = device->func->resource_addr(device, 1) + (*pvma)->addr; 61 *psize = (*pvma)->size; 62 return nvkm_memory_map(memory, 0, bar, *pvma, &uvmm, sizeof(uvmm)); 63 } 64 65 int 66 nv50_mem_new(struct nvkm_mmu *mmu, int type, u8 page, u64 size, 67 void *argv, u32 argc, struct nvkm_memory **pmemory) 68 { 69 union { 70 struct nv50_mem_vn vn; 71 struct nv50_mem_v0 v0; 72 } *args = argv; 73 int ret = -ENOSYS; 74 bool contig; 75 76 if (!(ret = nvif_unpack(ret, &argv, &argc, args->v0, 0, 0, false))) { 77 type = args->v0.bankswz ? 0x02 : 0x01; 78 contig = args->v0.contig; 79 } else 80 if (!(ret = nvif_unvers(ret, &argv, &argc, args->vn))) { 81 type = 0x01; 82 contig = false; 83 } else 84 return -ENOSYS; 85 86 return nvkm_ram_get(mmu->subdev.device, NVKM_RAM_MM_NORMAL, type, 87 page, size, contig, false, pmemory); 88 } 89