xref: /linux/drivers/gpu/drm/nouveau/nvif/client.c (revision c532de5a67a70f8533d495f8f2aaa9a0491c3ad0)
1 /*
2  * Copyright 2013 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/client.h>
26 #include <nvif/driver.h>
27 #include <nvif/ioctl.h>
28 
29 #include <nvif/class.h>
30 #include <nvif/if0000.h>
31 
32 int
33 nvif_client_suspend(struct nvif_client *client)
34 {
35 	return client->driver->suspend(client->object.priv);
36 }
37 
38 int
39 nvif_client_resume(struct nvif_client *client)
40 {
41 	return client->driver->resume(client->object.priv);
42 }
43 
44 void
45 nvif_client_dtor(struct nvif_client *client)
46 {
47 	nvif_object_dtor(&client->object);
48 	client->driver = NULL;
49 }
50 
51 int
52 nvif_client_ctor(struct nvif_client *parent, const char *name, struct nvif_client *client)
53 {
54 	struct nvif_client_v0 args = {};
55 	int ret;
56 
57 	strscpy_pad(args.name, name, sizeof(args.name));
58 	ret = nvif_object_ctor(parent != client ? &parent->object : NULL,
59 			       name ? name : "nvifClient", 0,
60 			       NVIF_CLASS_CLIENT, &args, sizeof(args),
61 			       &client->object);
62 	if (ret)
63 		return ret;
64 
65 	client->object.client = client;
66 	client->object.handle = ~0;
67 	client->driver = parent->driver;
68 	return 0;
69 }
70