xref: /netbsd-src/sys/external/bsd/drm2/dist/drm/nouveau/nvkm/subdev/therm/nouveau_nvkm_subdev_therm_fannil.c (revision 41ec02673d281bbb3d38e6c78504ce6e30c228c1)
1 /*	$NetBSD: nouveau_nvkm_subdev_therm_fannil.c,v 1.3 2021/12/18 23:45:41 riastradh Exp $	*/
2 
3 /*
4  * Copyright 2012 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_nvkm_subdev_therm_fannil.c,v 1.3 2021/12/18 23:45:41 riastradh Exp $");
28 
29 #include "priv.h"
30 
31 static int
nvkm_fannil_get(struct nvkm_therm * therm)32 nvkm_fannil_get(struct nvkm_therm *therm)
33 {
34 	return -ENODEV;
35 }
36 
37 static int
nvkm_fannil_set(struct nvkm_therm * therm,int percent)38 nvkm_fannil_set(struct nvkm_therm *therm, int percent)
39 {
40 	return -ENODEV;
41 }
42 
43 int
nvkm_fannil_create(struct nvkm_therm * therm)44 nvkm_fannil_create(struct nvkm_therm *therm)
45 {
46 	struct nvkm_fan *priv;
47 
48 	priv = kzalloc(sizeof(*priv), GFP_KERNEL);
49 	therm->fan = priv;
50 	if (!priv)
51 		return -ENOMEM;
52 
53 	priv->type = "none / external";
54 	priv->get = nvkm_fannil_get;
55 	priv->set = nvkm_fannil_set;
56 	return 0;
57 }
58