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 static u32
27 gm107_fuse_read(struct nvkm_fuse *fuse, u32 addr)
28 {
29 	struct nvkm_device *device = fuse->subdev.device;
30 	return nvkm_rd32(device, 0x21100 + addr);
31 }
32 
33 static const struct nvkm_fuse_func
34 gm107_fuse_func = {
35 	.read = gm107_fuse_read,
36 };
37 
38 static int
39 gm107_fuse_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
40 		struct nvkm_oclass *oclass, void *data, u32 size,
41 		struct nvkm_object **pobject)
42 {
43 	struct nvkm_fuse *fuse;
44 	int ret;
45 
46 	ret = nvkm_fuse_create(parent, engine, oclass, &fuse);
47 	*pobject = nv_object(fuse);
48 
49 	fuse->func = &gm107_fuse_func;
50 	return ret;
51 }
52 
53 struct nvkm_oclass
54 gm107_fuse_oclass = {
55 	.handle = NV_SUBDEV(FUSE, 0x117),
56 	.ofuncs = &(struct nvkm_ofuncs) {
57 		.ctor = gm107_fuse_ctor,
58 		.dtor = _nvkm_fuse_dtor,
59 		.init = _nvkm_fuse_init,
60 		.fini = _nvkm_fuse_fini,
61 	},
62 };
63