1 /*
2 * Copyright 2014 Martin Peres
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: Martin Peres
23 */
24 #include "priv.h"
25
26 u32
nvkm_fuse_read(struct nvkm_fuse * fuse,u32 addr)27 nvkm_fuse_read(struct nvkm_fuse *fuse, u32 addr)
28 {
29 return fuse->func->read(fuse, addr);
30 }
31
32 static void *
nvkm_fuse_dtor(struct nvkm_subdev * subdev)33 nvkm_fuse_dtor(struct nvkm_subdev *subdev)
34 {
35 return nvkm_fuse(subdev);
36 }
37
38 static const struct nvkm_subdev_func
39 nvkm_fuse = {
40 .dtor = nvkm_fuse_dtor,
41 };
42
43 int
nvkm_fuse_new_(const struct nvkm_fuse_func * func,struct nvkm_device * device,enum nvkm_subdev_type type,int inst,struct nvkm_fuse ** pfuse)44 nvkm_fuse_new_(const struct nvkm_fuse_func *func, struct nvkm_device *device,
45 enum nvkm_subdev_type type, int inst, struct nvkm_fuse **pfuse)
46 {
47 struct nvkm_fuse *fuse;
48 if (!(fuse = *pfuse = kzalloc(sizeof(*fuse), GFP_KERNEL)))
49 return -ENOMEM;
50 nvkm_subdev_ctor(&nvkm_fuse, device, type, inst, &fuse->subdev);
51 fuse->func = func;
52 spin_lock_init(&fuse->lock);
53 return 0;
54 }
55