1 /*
2 * Copyright 2015 Samuel Pitosiet
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: Samuel Pitoiset
23 */
24 #include "priv.h"
25
26 static int
27 gf117_ibus_init(struct nvkm_subdev *ibus)
28 {
29 struct nvkm_device *device = ibus->device;
30 nvkm_mask(device, 0x122310, 0x0003ffff, 0x00000800);
31 nvkm_mask(device, 0x122348, 0x0003ffff, 0x00000100);
32 nvkm_mask(device, 0x1223b0, 0x0003ffff, 0x00000fff);
33 return 0;
34 }
35
36 static const struct nvkm_subdev_func
37 gf117_ibus = {
38 .init = gf117_ibus_init,
39 .intr = gf100_ibus_intr,
40 };
41
42 int
43 gf117_ibus_new(struct nvkm_device *device, int index,
44 struct nvkm_subdev **pibus)
45 {
46 struct nvkm_subdev *ibus;
47 if (!(ibus = *pibus = kzalloc(sizeof(*ibus), GFP_KERNEL)))
48 return -ENOMEM;
49 nvkm_subdev_ctor(&gf117_ibus, device, index, ibus);
50 return 0;
51 }