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
27static const struct nvif_driver *
28nvif_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
39int
40nvif_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