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 struct nvkm_oproxy *oproxy = nvkm_oproxy(object); 51 52 if (unlikely(!oproxy->object)) 53 return 0; 54 55 return nvkm_object_unmap(oproxy->object); 56 } 57 58 static int 59 nvkm_oproxy_rd08(struct nvkm_object *object, u64 addr, u8 *data) 60 { 61 return nvkm_object_rd08(nvkm_oproxy(object)->object, addr, data); 62 } 63 64 static int 65 nvkm_oproxy_rd16(struct nvkm_object *object, u64 addr, u16 *data) 66 { 67 return nvkm_object_rd16(nvkm_oproxy(object)->object, addr, data); 68 } 69 70 static int 71 nvkm_oproxy_rd32(struct nvkm_object *object, u64 addr, u32 *data) 72 { 73 return nvkm_object_rd32(nvkm_oproxy(object)->object, addr, data); 74 } 75 76 static int 77 nvkm_oproxy_wr08(struct nvkm_object *object, u64 addr, u8 data) 78 { 79 return nvkm_object_wr08(nvkm_oproxy(object)->object, addr, data); 80 } 81 82 static int 83 nvkm_oproxy_wr16(struct nvkm_object *object, u64 addr, u16 data) 84 { 85 return nvkm_object_wr16(nvkm_oproxy(object)->object, addr, data); 86 } 87 88 static int 89 nvkm_oproxy_wr32(struct nvkm_object *object, u64 addr, u32 data) 90 { 91 return nvkm_object_wr32(nvkm_oproxy(object)->object, addr, data); 92 } 93 94 static int 95 nvkm_oproxy_bind(struct nvkm_object *object, struct nvkm_gpuobj *parent, 96 int align, struct nvkm_gpuobj **pgpuobj) 97 { 98 return nvkm_object_bind(nvkm_oproxy(object)->object, 99 parent, align, pgpuobj); 100 } 101 102 static int 103 nvkm_oproxy_sclass(struct nvkm_object *object, int index, 104 struct nvkm_oclass *oclass) 105 { 106 struct nvkm_oproxy *oproxy = nvkm_oproxy(object); 107 oclass->parent = oproxy->object; 108 if (!oproxy->object->func->sclass) 109 return -ENODEV; 110 return oproxy->object->func->sclass(oproxy->object, index, oclass); 111 } 112 113 static int 114 nvkm_oproxy_uevent(struct nvkm_object *object, void *argv, u32 argc, 115 struct nvkm_uevent *uevent) 116 { 117 struct nvkm_oproxy *oproxy = nvkm_oproxy(object); 118 119 if (!oproxy->object->func->uevent) 120 return -ENOSYS; 121 122 return oproxy->object->func->uevent(oproxy->object, argv, argc, uevent); 123 } 124 125 static int 126 nvkm_oproxy_fini(struct nvkm_object *object, bool suspend) 127 { 128 struct nvkm_oproxy *oproxy = nvkm_oproxy(object); 129 int ret; 130 131 if (oproxy->func->fini[0]) { 132 ret = oproxy->func->fini[0](oproxy, suspend); 133 if (ret && suspend) 134 return ret; 135 } 136 137 if (oproxy->object->func->fini) { 138 ret = oproxy->object->func->fini(oproxy->object, suspend); 139 if (ret && suspend) 140 return ret; 141 } 142 143 if (oproxy->func->fini[1]) { 144 ret = oproxy->func->fini[1](oproxy, suspend); 145 if (ret && suspend) 146 return ret; 147 } 148 149 return 0; 150 } 151 152 static int 153 nvkm_oproxy_init(struct nvkm_object *object) 154 { 155 struct nvkm_oproxy *oproxy = nvkm_oproxy(object); 156 int ret; 157 158 if (oproxy->func->init[0]) { 159 ret = oproxy->func->init[0](oproxy); 160 if (ret) 161 return ret; 162 } 163 164 if (oproxy->object->func->init) { 165 ret = oproxy->object->func->init(oproxy->object); 166 if (ret) 167 return ret; 168 } 169 170 if (oproxy->func->init[1]) { 171 ret = oproxy->func->init[1](oproxy); 172 if (ret) 173 return ret; 174 } 175 176 return 0; 177 } 178 179 static void * 180 nvkm_oproxy_dtor(struct nvkm_object *object) 181 { 182 struct nvkm_oproxy *oproxy = nvkm_oproxy(object); 183 if (oproxy->func->dtor[0]) 184 oproxy->func->dtor[0](oproxy); 185 nvkm_object_del(&oproxy->object); 186 if (oproxy->func->dtor[1]) 187 oproxy->func->dtor[1](oproxy); 188 return oproxy; 189 } 190 191 static const struct nvkm_object_func 192 nvkm_oproxy_func = { 193 .dtor = nvkm_oproxy_dtor, 194 .init = nvkm_oproxy_init, 195 .fini = nvkm_oproxy_fini, 196 .mthd = nvkm_oproxy_mthd, 197 .ntfy = nvkm_oproxy_ntfy, 198 .map = nvkm_oproxy_map, 199 .unmap = nvkm_oproxy_unmap, 200 .rd08 = nvkm_oproxy_rd08, 201 .rd16 = nvkm_oproxy_rd16, 202 .rd32 = nvkm_oproxy_rd32, 203 .wr08 = nvkm_oproxy_wr08, 204 .wr16 = nvkm_oproxy_wr16, 205 .wr32 = nvkm_oproxy_wr32, 206 .bind = nvkm_oproxy_bind, 207 .sclass = nvkm_oproxy_sclass, 208 .uevent = nvkm_oproxy_uevent, 209 }; 210 211 void 212 nvkm_oproxy_ctor(const struct nvkm_oproxy_func *func, 213 const struct nvkm_oclass *oclass, struct nvkm_oproxy *oproxy) 214 { 215 nvkm_object_ctor(&nvkm_oproxy_func, oclass, &oproxy->base); 216 oproxy->func = func; 217 } 218 219 int 220 nvkm_oproxy_new_(const struct nvkm_oproxy_func *func, 221 const struct nvkm_oclass *oclass, struct nvkm_oproxy **poproxy) 222 { 223 if (!(*poproxy = kzalloc(sizeof(**poproxy), GFP_KERNEL))) 224 return -ENOMEM; 225 nvkm_oproxy_ctor(func, oclass, *poproxy); 226 return 0; 227 } 228