1 /*
2 * Copyright 2014 Red Hat Inc.
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: Ben Skeggs <bskeggs@redhat.com>
23 */
24
25 #include <nvif/device.h>
26
27 u64
28 nvif_device_time(struct nvif_device *device)
29 {
30 struct nv_device_time_v0 args = {};
31 int ret = nvif_object_mthd(&device->object, NV_DEVICE_V0_TIME,
32 &args, sizeof(args));
33 WARN_ON_ONCE(ret != 0);
34 return args.time;
35 }
36
37 void
38 nvif_device_fini(struct nvif_device *device)
39 {
40 nvif_user_fini(device);
41 kfree(device->runlist);
42 device->runlist = NULL;
43 nvif_object_fini(&device->object);
44 }
45
46 int
47 nvif_device_init(struct nvif_object *parent, u32 handle, s32 oclass,
48 void *data, u32 size, struct nvif_device *device)
49 {
50 int ret = nvif_object_init(parent, handle, oclass, data, size,
51 &device->object);
52 device->runlist = NULL;
53 device->user.func = NULL;
54 if (ret == 0) {
55 device->info.version = 0;
56 ret = nvif_object_mthd(&device->object, NV_DEVICE_V0_INFO,
57 &device->info, sizeof(device->info));
58 }
59 return ret;
60 }