xref: /linux/drivers/gpu/drm/nouveau/nvkm/subdev/fuse/gm107.c (revision 2ba9268dd603d23e17643437b2246acb6844953b)
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 struct gm107_fuse_priv {
27 	struct nvkm_fuse base;
28 };
29 
30 static u32
31 gm107_fuse_rd32(struct nvkm_object *object, u64 addr)
32 {
33 	struct gf100_fuse_priv *priv = (void *)object;
34 	return nv_rd32(priv, 0x21100 + addr);
35 }
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 gm107_fuse_priv *priv;
44 	int ret;
45 
46 	ret = nvkm_fuse_create(parent, engine, oclass, &priv);
47 	*pobject = nv_object(priv);
48 	if (ret)
49 		return ret;
50 
51 	return 0;
52 }
53 
54 struct nvkm_oclass
55 gm107_fuse_oclass = {
56 	.handle = NV_SUBDEV(FUSE, 0x117),
57 	.ofuncs = &(struct nvkm_ofuncs) {
58 		.ctor = gm107_fuse_ctor,
59 		.dtor = _nvkm_fuse_dtor,
60 		.init = _nvkm_fuse_init,
61 		.fini = _nvkm_fuse_fini,
62 		.rd32 = gm107_fuse_rd32,
63 	},
64 };
65