1 /* $NetBSD: nouveau_nvif_driver.c,v 1.2 2021/12/18 23:45:33 riastradh Exp $ */
2
3 /*
4 * Copyright 2016 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
25 */
26 #include <sys/cdefs.h>
27 __KERNEL_RCSID(0, "$NetBSD: nouveau_nvif_driver.c,v 1.2 2021/12/18 23:45:33 riastradh Exp $");
28
29 #include <nvif/driver.h>
30 #include <nvif/client.h>
31
32 static const struct nvif_driver *
33 nvif_driver[] = {
34 #ifdef __KERNEL__
35 &nvif_driver_nvkm,
36 #else
37 &nvif_driver_drm,
38 &nvif_driver_lib,
39 &nvif_driver_null,
40 #endif
41 NULL
42 };
43
44 int
nvif_driver_init(const char * drv,const char * cfg,const char * dbg,const char * name,u64 device,struct nvif_client * client)45 nvif_driver_init(const char *drv, const char *cfg, const char *dbg,
46 const char *name, u64 device, struct nvif_client *client)
47 {
48 int ret = -EINVAL, i;
49
50 for (i = 0; (client->driver = nvif_driver[i]); i++) {
51 if (!drv || !strcmp(client->driver->name, drv)) {
52 ret = client->driver->init(name, device, cfg, dbg,
53 &client->object.priv);
54 if (ret == 0)
55 break;
56 client->driver->fini(client->object.priv);
57 }
58 }
59
60 if (ret == 0)
61 ret = nvif_client_init(client, name, device, client);
62 return ret;
63 }
64