1 /* $NetBSD: nouveau_nvif_device.c,v 1.3 2021/12/18 23:45:33 riastradh Exp $ */
2
3 /*
4 * Copyright 2014 Red Hat Inc.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
23 *
24 * Authors: Ben Skeggs <bskeggs@redhat.com>
25 */
26
27 #include <sys/cdefs.h>
28 __KERNEL_RCSID(0, "$NetBSD: nouveau_nvif_device.c,v 1.3 2021/12/18 23:45:33 riastradh Exp $");
29
30 #include <nvif/device.h>
31
32 u64
nvif_device_time(struct nvif_device * device)33 nvif_device_time(struct nvif_device *device)
34 {
35 struct nv_device_time_v0 args = {};
36 int ret = nvif_object_mthd(&device->object, NV_DEVICE_V0_TIME,
37 &args, sizeof(args));
38 WARN_ON_ONCE(ret != 0);
39 return args.time;
40 }
41
42 void
nvif_device_fini(struct nvif_device * device)43 nvif_device_fini(struct nvif_device *device)
44 {
45 nvif_user_fini(device);
46 kfree(device->runlist);
47 device->runlist = NULL;
48 nvif_object_fini(&device->object);
49 }
50
51 int
nvif_device_init(struct nvif_object * parent,u32 handle,s32 oclass,void * data,u32 size,struct nvif_device * device)52 nvif_device_init(struct nvif_object *parent, u32 handle, s32 oclass,
53 void *data, u32 size, struct nvif_device *device)
54 {
55 int ret = nvif_object_init(parent, handle, oclass, data, size,
56 &device->object);
57 device->runlist = NULL;
58 device->user.func = NULL;
59 if (ret == 0) {
60 device->info.version = 0;
61 ret = nvif_object_mthd(&device->object, NV_DEVICE_V0_INFO,
62 &device->info, sizeof(device->info));
63 }
64 return ret;
65 }
66