1 /* 2 * Copyright 2015 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 * Authors: Ben Skeggs <bskeggs@redhat.com> 23 */ 24 #include <core/oproxy.h> 25 26 static int 27 nvkm_oproxy_mthd(struct nvkm_object *object, u32 mthd, void *data, u32 size) 28 { 29 return nvkm_object_mthd(nvkm_oproxy(object)->object, mthd, data, size); 30 } 31 32 static int 33 nvkm_oproxy_ntfy(struct nvkm_object *object, u32 mthd, 34 struct nvkm_event **pevent) 35 { 36 return nvkm_object_ntfy(nvkm_oproxy(object)->object, mthd, pevent); 37 } 38 39 static int 40 nvkm_oproxy_map(struct nvkm_object *object, void *argv, u32 argc, 41 enum nvkm_object_map *type, u64 *addr, u64 *size) 42 { 43 struct nvkm_oproxy *oproxy = nvkm_oproxy(object); 44 return nvkm_object_map(oproxy->object, argv, argc, type, addr, size); 45 } 46 47 static int 48 nvkm_oproxy_unmap(struct nvkm_object *object) 49 { 50 return nvkm_object_unmap(nvkm_oproxy(object)->object); 51 } 52 53 static int 54 nvkm_oproxy_rd08(struct nvkm_object *object, u64 addr, u8 *data) 55 { 56 return nvkm_object_rd08(nvkm_oproxy(object)->object, addr, data); 57 } 58 59 static int 60 nvkm_oproxy_rd16(struct nvkm_object *object, u64 addr, u16 *data) 61 { 62 return nvkm_object_rd16(nvkm_oproxy(object)->object, addr, data); 63 } 64 65 static int 66 nvkm_oproxy_rd32(struct nvkm_object *object, u64 addr, u32 *data) 67 { 68 return nvkm_object_rd32(nvkm_oproxy(object)->object, addr, data); 69 } 70 71 static int 72 nvkm_oproxy_wr08(struct nvkm_object *object, u64 addr, u8 data) 73 { 74 return nvkm_object_wr08(nvkm_oproxy(object)->object, addr, data); 75 } 76 77 static int 78 nvkm_oproxy_wr16(struct nvkm_object *object, u64 addr, u16 data) 79 { 80 return nvkm_object_wr16(nvkm_oproxy(object)->object, addr, data); 81 } 82 83 static int 84 nvkm_oproxy_wr32(struct nvkm_object *object, u64 addr, u32 data) 85 { 86 return nvkm_object_wr32(nvkm_oproxy(object)->object, addr, data); 87 } 88 89 static int 90 nvkm_oproxy_bind(struct nvkm_object *object, struct nvkm_gpuobj *parent, 91 int align, struct nvkm_gpuobj **pgpuobj) 92 { 93 return nvkm_object_bind(nvkm_oproxy(object)->object, 94 parent, align, pgpuobj); 95 } 96 97 static int 98 nvkm_oproxy_sclass(struct nvkm_object *object, int index, 99 struct nvkm_oclass *oclass) 100 { 101 struct nvkm_oproxy *oproxy = nvkm_oproxy(object); 102 oclass->parent = oproxy->object; 103 if (!oproxy->object->func->sclass) 104 return -ENODEV; 105 return oproxy->object->func->sclass(oproxy->object, index, oclass); 106 } 107 108 static int 109 nvkm_oproxy_fini(struct nvkm_object *object, bool suspend) 110 { 111 struct nvkm_oproxy *oproxy = nvkm_oproxy(object); 112 int ret; 113 114 if (oproxy->func->fini[0]) { 115 ret = oproxy->func->fini[0](oproxy, suspend); 116 if (ret && suspend) 117 return ret; 118 } 119 120 if (oproxy->object->func->fini) { 121 ret = oproxy->object->func->fini(oproxy->object, suspend); 122 if (ret && suspend) 123 return ret; 124 } 125 126 if (oproxy->func->fini[1]) { 127 ret = oproxy->func->fini[1](oproxy, suspend); 128 if (ret && suspend) 129 return ret; 130 } 131 132 return 0; 133 } 134 135 static int 136 nvkm_oproxy_init(struct nvkm_object *object) 137 { 138 struct nvkm_oproxy *oproxy = nvkm_oproxy(object); 139 int ret; 140 141 if (oproxy->func->init[0]) { 142 ret = oproxy->func->init[0](oproxy); 143 if (ret) 144 return ret; 145 } 146 147 if (oproxy->object->func->init) { 148 ret = oproxy->object->func->init(oproxy->object); 149 if (ret) 150 return ret; 151 } 152 153 if (oproxy->func->init[1]) { 154 ret = oproxy->func->init[1](oproxy); 155 if (ret) 156 return ret; 157 } 158 159 return 0; 160 } 161 162 static void * 163 nvkm_oproxy_dtor(struct nvkm_object *object) 164 { 165 struct nvkm_oproxy *oproxy = nvkm_oproxy(object); 166 if (oproxy->func->dtor[0]) 167 oproxy->func->dtor[0](oproxy); 168 nvkm_object_del(&oproxy->object); 169 if (oproxy->func->dtor[1]) 170 oproxy->func->dtor[1](oproxy); 171 return oproxy; 172 } 173 174 static const struct nvkm_object_func 175 nvkm_oproxy_func = { 176 .dtor = nvkm_oproxy_dtor, 177 .init = nvkm_oproxy_init, 178 .fini = nvkm_oproxy_fini, 179 .mthd = nvkm_oproxy_mthd, 180 .ntfy = nvkm_oproxy_ntfy, 181 .map = nvkm_oproxy_map, 182 .unmap = nvkm_oproxy_unmap, 183 .rd08 = nvkm_oproxy_rd08, 184 .rd16 = nvkm_oproxy_rd16, 185 .rd32 = nvkm_oproxy_rd32, 186 .wr08 = nvkm_oproxy_wr08, 187 .wr16 = nvkm_oproxy_wr16, 188 .wr32 = nvkm_oproxy_wr32, 189 .bind = nvkm_oproxy_bind, 190 .sclass = nvkm_oproxy_sclass, 191 }; 192 193 void 194 nvkm_oproxy_ctor(const struct nvkm_oproxy_func *func, 195 const struct nvkm_oclass *oclass, struct nvkm_oproxy *oproxy) 196 { 197 nvkm_object_ctor(&nvkm_oproxy_func, oclass, &oproxy->base); 198 oproxy->func = func; 199 } 200 201 int 202 nvkm_oproxy_new_(const struct nvkm_oproxy_func *func, 203 const struct nvkm_oclass *oclass, struct nvkm_oproxy **poproxy) 204 { 205 if (!(*poproxy = kzalloc(sizeof(**poproxy), GFP_KERNEL))) 206 return -ENOMEM; 207 nvkm_oproxy_ctor(func, oclass, *poproxy); 208 return 0; 209 } 210