Ben Skeggs | ed76a87 | 2014-06-13 12:42:21 +1000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2014 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 | */ |
Ben Skeggs | ed76a87 | 2014-06-13 12:42:21 +1000 | [diff] [blame] | 24 | #include "acpi.h" |
| 25 | |
Ben Skeggs | 9719047 | 2015-01-14 15:35:00 +1000 | [diff] [blame] | 26 | #include <core/device.h> |
| 27 | |
Ben Skeggs | ed76a87 | 2014-06-13 12:42:21 +1000 | [diff] [blame] | 28 | #ifdef CONFIG_ACPI |
| 29 | static int |
| 30 | nvkm_acpi_ntfy(struct notifier_block *nb, unsigned long val, void *data) |
| 31 | { |
Ben Skeggs | 9719047 | 2015-01-14 15:35:00 +1000 | [diff] [blame] | 32 | struct nvkm_device *device = |
Ben Skeggs | ed76a87 | 2014-06-13 12:42:21 +1000 | [diff] [blame] | 33 | container_of(nb, typeof(*device), acpi.nb); |
| 34 | struct acpi_bus_event *info = data; |
| 35 | |
| 36 | if (!strcmp(info->device_class, "ac_adapter")) |
Ben Skeggs | 79ca277 | 2014-08-10 04:10:20 +1000 | [diff] [blame] | 37 | nvkm_event_send(&device->event, 1, 0, NULL, 0); |
Ben Skeggs | ed76a87 | 2014-06-13 12:42:21 +1000 | [diff] [blame] | 38 | |
| 39 | return NOTIFY_DONE; |
| 40 | } |
| 41 | #endif |
| 42 | |
Ben Skeggs | 6cf813f | 2015-08-20 14:54:17 +1000 | [diff] [blame] | 43 | void |
| 44 | nvkm_acpi_fini(struct nvkm_device *device) |
Ben Skeggs | ed76a87 | 2014-06-13 12:42:21 +1000 | [diff] [blame] | 45 | { |
| 46 | #ifdef CONFIG_ACPI |
| 47 | unregister_acpi_notifier(&device->acpi.nb); |
| 48 | #endif |
Ben Skeggs | ed76a87 | 2014-06-13 12:42:21 +1000 | [diff] [blame] | 49 | } |
| 50 | |
Ben Skeggs | 6cf813f | 2015-08-20 14:54:17 +1000 | [diff] [blame] | 51 | void |
Ben Skeggs | 9719047 | 2015-01-14 15:35:00 +1000 | [diff] [blame] | 52 | nvkm_acpi_init(struct nvkm_device *device) |
Ben Skeggs | ed76a87 | 2014-06-13 12:42:21 +1000 | [diff] [blame] | 53 | { |
| 54 | #ifdef CONFIG_ACPI |
| 55 | device->acpi.nb.notifier_call = nvkm_acpi_ntfy; |
| 56 | register_acpi_notifier(&device->acpi.nb); |
| 57 | #endif |
Ben Skeggs | ed76a87 | 2014-06-13 12:42:21 +1000 | [diff] [blame] | 58 | } |