1/*
2 * Copyright (c) 2017, NVIDIA CORPORATION. All rights reserved.
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 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
19 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
20 * DEALINGS IN THE SOFTWARE.
21 */
22#include <subdev/privring.h>
23
24#include "priv.h"
25
26static int
27gp10b_privring_init(struct nvkm_subdev *privring)
28{
29	struct nvkm_device *device = privring->device;
30
31	nvkm_wr32(device, 0x1200a8, 0x0);
32
33	/* init ring */
34	nvkm_wr32(device, 0x12004c, 0x4);
35	nvkm_wr32(device, 0x122204, 0x2);
36	nvkm_rd32(device, 0x122204);
37
38	/* timeout configuration */
39	nvkm_wr32(device, 0x009080, 0x800186a0);
40
41	return 0;
42}
43
44static const struct nvkm_subdev_func
45gp10b_privring = {
46	.init = gp10b_privring_init,
47	.intr = gk104_privring_intr,
48};
49
50int
51gp10b_privring_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
52		   struct nvkm_subdev **pprivring)
53{
54	return nvkm_subdev_new_(&gp10b_privring, device, type, inst, pprivring);
55}
56