1 | /* |
2 | * Copyright 2016 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 |
23 | */ |
24 | #include <nvif/driver.h> |
25 | #include <nvif/client.h> |
26 | |
27 | static const struct nvif_driver * |
28 | nvif_driver[] = { |
29 | #ifdef __KERNEL__ |
30 | &nvif_driver_nvkm, |
31 | #else |
32 | &nvif_driver_drm, |
33 | &nvif_driver_lib, |
34 | &nvif_driver_null, |
35 | #endif |
36 | NULL |
37 | }; |
38 | |
39 | int |
40 | nvif_driver_init(const char *drv, const char *cfg, const char *dbg, |
41 | const char *name, u64 device, struct nvif_client *client) |
42 | { |
43 | int ret = -EINVAL, i; |
44 | |
45 | for (i = 0; (client->driver = nvif_driver[i]); i++) { |
46 | if (!drv || !strcmp(client->driver->name, drv)) { |
47 | ret = client->driver->init(name, device, cfg, dbg, |
48 | &client->object.priv); |
49 | if (ret == 0) |
50 | break; |
51 | client->driver->fini(client->object.priv); |
52 | } |
53 | } |
54 | |
55 | if (ret == 0) |
56 | ret = nvif_client_ctor(client, name, device, client); |
57 | return ret; |
58 | } |
59 | |