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/fb.h> 26 27 #include <nvif/if000b.h> 28 #include <nvif/unpack.h> 29 30 int 31 nv04_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 50 int 51 nv04_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 else 65 type = NVKM_RAM_MM_NOMAP; 66 67 return nvkm_ram_get(mmu->subdev.device, type, 0x01, page, 68 size, true, false, pmemory); 69 } 70