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 #include <subdev/gsp.h>
27
28 static u32
gm107_fuse_read(struct nvkm_fuse * fuse,u32 addr)29 gm107_fuse_read(struct nvkm_fuse *fuse, u32 addr)
30 {
31 struct nvkm_device *device = fuse->subdev.device;
32 return nvkm_rd32(device, 0x021100 + addr);
33 }
34
35 static const struct nvkm_fuse_func
36 gm107_fuse = {
37 .read = gm107_fuse_read,
38 };
39
40 int
gm107_fuse_new(struct nvkm_device * device,enum nvkm_subdev_type type,int inst,struct nvkm_fuse ** pfuse)41 gm107_fuse_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
42 struct nvkm_fuse **pfuse)
43 {
44 if (nvkm_gsp_rm(device->gsp))
45 return -ENODEV;
46
47 return nvkm_fuse_new_(&gm107_fuse, device, type, inst, pfuse);
48 }
49