1 /* $NetBSD: nouveau_nvkm_engine_device_acpi.c,v 1.4 2024/04/16 14:34:02 riastradh Exp $ */
2
3 /*
4 * Copyright 2014 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_engine_device_acpi.c,v 1.4 2024/04/16 14:34:02 riastradh Exp $");
28
29 #include "acpi.h"
30
31 #include <core/device.h>
32
33 #ifdef __NetBSD__
34 /* This should be a PMF hook, not an ACPI notifier. */
35 #undef CONFIG_ACPI
36 #endif
37
38 #ifdef CONFIG_ACPI
39 static int
nvkm_acpi_ntfy(struct notifier_block * nb,unsigned long val,void * data)40 nvkm_acpi_ntfy(struct notifier_block *nb, unsigned long val, void *data)
41 {
42 struct nvkm_device *device =
43 container_of(nb, typeof(*device), acpi.nb);
44 struct acpi_bus_event *info = data;
45
46 if (!strcmp(info->device_class, "ac_adapter"))
47 nvkm_event_send(&device->event, 1, 0, NULL, 0);
48
49 return NOTIFY_DONE;
50 }
51 #endif
52
53 void
nvkm_acpi_fini(struct nvkm_device * device)54 nvkm_acpi_fini(struct nvkm_device *device)
55 {
56 #ifdef CONFIG_ACPI
57 unregister_acpi_notifier(&device->acpi.nb);
58 #endif
59 }
60
61 void
nvkm_acpi_init(struct nvkm_device * device)62 nvkm_acpi_init(struct nvkm_device *device)
63 {
64 #ifdef CONFIG_ACPI
65 device->acpi.nb.notifier_call = nvkm_acpi_ntfy;
66 register_acpi_notifier(&device->acpi.nb);
67 #endif
68 }
69