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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, u64 *addr, u32 *size) | |
41 | { | |
42 | return nvkm_object_map(nvkm_oproxy(object)->object, addr, size); | |
43 | } | |
44 | ||
45 | static int | |
46 | nvkm_oproxy_rd08(struct nvkm_object *object, u64 addr, u8 *data) | |
47 | { | |
48 | return nvkm_object_rd08(nvkm_oproxy(object)->object, addr, data); | |
49 | } | |
50 | ||
51 | static int | |
52 | nvkm_oproxy_rd16(struct nvkm_object *object, u64 addr, u16 *data) | |
53 | { | |
54 | return nvkm_object_rd16(nvkm_oproxy(object)->object, addr, data); | |
55 | } | |
56 | ||
57 | static int | |
58 | nvkm_oproxy_rd32(struct nvkm_object *object, u64 addr, u32 *data) | |
59 | { | |
60 | return nvkm_object_rd32(nvkm_oproxy(object)->object, addr, data); | |
61 | } | |
62 | ||
63 | static int | |
64 | nvkm_oproxy_wr08(struct nvkm_object *object, u64 addr, u8 data) | |
65 | { | |
66 | return nvkm_object_wr08(nvkm_oproxy(object)->object, addr, data); | |
67 | } | |
68 | ||
69 | static int | |
70 | nvkm_oproxy_wr16(struct nvkm_object *object, u64 addr, u16 data) | |
71 | { | |
72 | return nvkm_object_wr16(nvkm_oproxy(object)->object, addr, data); | |
73 | } | |
74 | ||
75 | static int | |
76 | nvkm_oproxy_wr32(struct nvkm_object *object, u64 addr, u32 data) | |
77 | { | |
78 | return nvkm_object_wr32(nvkm_oproxy(object)->object, addr, data); | |
79 | } | |
80 | ||
81 | static int | |
82 | nvkm_oproxy_bind(struct nvkm_object *object, struct nvkm_gpuobj *parent, | |
83 | int align, struct nvkm_gpuobj **pgpuobj) | |
84 | { | |
85 | return nvkm_object_bind(nvkm_oproxy(object)->object, | |
86 | parent, align, pgpuobj); | |
87 | } | |
88 | ||
89 | static int | |
90 | nvkm_oproxy_sclass(struct nvkm_object *object, int index, | |
91 | struct nvkm_oclass *oclass) | |
92 | { | |
93 | struct nvkm_oproxy *oproxy = nvkm_oproxy(object); | |
94 | oclass->parent = oproxy->object; | |
0ce41e3c BS |
95 | if (!oproxy->object->func->sclass) |
96 | return -ENODEV; | |
97 | return oproxy->object->func->sclass(oproxy->object, index, oclass); | |
98 | } | |
99 | ||
100 | static int | |
101 | nvkm_oproxy_fini(struct nvkm_object *object, bool suspend) | |
102 | { | |
103 | struct nvkm_oproxy *oproxy = nvkm_oproxy(object); | |
104 | int ret; | |
105 | ||
106 | if (oproxy->func->fini[0]) { | |
107 | ret = oproxy->func->fini[0](oproxy, suspend); | |
108 | if (ret && suspend) | |
109 | return ret; | |
110 | } | |
111 | ||
fbd58ebd BS |
112 | if (oproxy->object->func->fini) { |
113 | ret = oproxy->object->func->fini(oproxy->object, suspend); | |
114 | if (ret && suspend) | |
115 | return ret; | |
116 | } | |
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117 | |
118 | if (oproxy->func->fini[1]) { | |
119 | ret = oproxy->func->fini[1](oproxy, suspend); | |
120 | if (ret && suspend) | |
121 | return ret; | |
122 | } | |
123 | ||
124 | return 0; | |
125 | } | |
126 | ||
127 | static int | |
128 | nvkm_oproxy_init(struct nvkm_object *object) | |
129 | { | |
130 | struct nvkm_oproxy *oproxy = nvkm_oproxy(object); | |
131 | int ret; | |
132 | ||
133 | if (oproxy->func->init[0]) { | |
134 | ret = oproxy->func->init[0](oproxy); | |
135 | if (ret) | |
136 | return ret; | |
137 | } | |
138 | ||
fbd58ebd BS |
139 | if (oproxy->object->func->init) { |
140 | ret = oproxy->object->func->init(oproxy->object); | |
141 | if (ret) | |
142 | return ret; | |
143 | } | |
0ce41e3c BS |
144 | |
145 | if (oproxy->func->init[1]) { | |
146 | ret = oproxy->func->init[1](oproxy); | |
147 | if (ret) | |
148 | return ret; | |
149 | } | |
150 | ||
151 | return 0; | |
152 | } | |
153 | ||
154 | static void * | |
155 | nvkm_oproxy_dtor(struct nvkm_object *object) | |
156 | { | |
157 | struct nvkm_oproxy *oproxy = nvkm_oproxy(object); | |
158 | if (oproxy->func->dtor[0]) | |
159 | oproxy->func->dtor[0](oproxy); | |
fbd58ebd | 160 | nvkm_object_del(&oproxy->object); |
0ce41e3c BS |
161 | if (oproxy->func->dtor[1]) |
162 | oproxy->func->dtor[1](oproxy); | |
163 | return oproxy; | |
164 | } | |
165 | ||
166 | static const struct nvkm_object_func | |
167 | nvkm_oproxy_func = { | |
168 | .dtor = nvkm_oproxy_dtor, | |
169 | .init = nvkm_oproxy_init, | |
170 | .fini = nvkm_oproxy_fini, | |
171 | .mthd = nvkm_oproxy_mthd, | |
172 | .ntfy = nvkm_oproxy_ntfy, | |
173 | .map = nvkm_oproxy_map, | |
174 | .rd08 = nvkm_oproxy_rd08, | |
175 | .rd16 = nvkm_oproxy_rd16, | |
176 | .rd32 = nvkm_oproxy_rd32, | |
177 | .wr08 = nvkm_oproxy_wr08, | |
178 | .wr16 = nvkm_oproxy_wr16, | |
179 | .wr32 = nvkm_oproxy_wr32, | |
180 | .bind = nvkm_oproxy_bind, | |
181 | .sclass = nvkm_oproxy_sclass, | |
182 | }; | |
183 | ||
184 | void | |
185 | nvkm_oproxy_ctor(const struct nvkm_oproxy_func *func, | |
186 | const struct nvkm_oclass *oclass, struct nvkm_oproxy *oproxy) | |
187 | { | |
188 | nvkm_object_ctor(&nvkm_oproxy_func, oclass, &oproxy->base); | |
189 | oproxy->func = func; | |
190 | } | |
191 | ||
192 | int | |
193 | nvkm_oproxy_new_(const struct nvkm_oproxy_func *func, | |
194 | const struct nvkm_oclass *oclass, struct nvkm_oproxy **poproxy) | |
195 | { | |
196 | if (!(*poproxy = kzalloc(sizeof(**poproxy), GFP_KERNEL))) | |
197 | return -ENOMEM; | |
198 | nvkm_oproxy_ctor(func, oclass, *poproxy); | |
199 | return 0; | |
200 | } |