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_init(client, name, device, client);
57 return ret;
58 }