diff options
Diffstat (limited to 'nvkm/core/event.c')
-rw-r--r-- | nvkm/core/event.c | 100 |
1 files changed, 0 insertions, 100 deletions
diff --git a/nvkm/core/event.c b/nvkm/core/event.c deleted file mode 100644 index 760947e38..000000000 --- a/nvkm/core/event.c +++ /dev/null @@ -1,100 +0,0 @@ -/* - * Copyright 2013-2014 Red Hat Inc. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR - * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR - * OTHER DEALINGS IN THE SOFTWARE. - */ - -#include <core/object.h> -#include <core/event.h> - -void -nvkm_event_put(struct nvkm_event *event, u32 types, int index) -{ - assert_spin_locked(&event->refs_lock); - while (types) { - int type = __ffs(types); types &= ~(1 << type); - if (--event->refs[index * event->types_nr + type] == 0) { - if (event->func->fini) - event->func->fini(event, 1 << type, index); - } - } -} - -void -nvkm_event_get(struct nvkm_event *event, u32 types, int index) -{ - assert_spin_locked(&event->refs_lock); - while (types) { - int type = __ffs(types); types &= ~(1 << type); - if (++event->refs[index * event->types_nr + type] == 1) { - if (event->func->init) - event->func->init(event, 1 << type, index); - } - } -} - -void -nvkm_event_send(struct nvkm_event *event, u32 types, int index, - void *data, u32 size) -{ - struct nvkm_notify *notify; - unsigned long flags; - - if (!event->refs || WARN_ON(index >= event->index_nr)) - return; - - spin_lock_irqsave(&event->list_lock, flags); - list_for_each_entry(notify, &event->list, head) { - if (notify->index == index && (notify->types & types)) { - if (event->func->send) { - event->func->send(data, size, notify); - continue; - } - nvkm_notify_send(notify, data, size); - } - } - spin_unlock_irqrestore(&event->list_lock, flags); -} - -void -nvkm_event_fini(struct nvkm_event *event) -{ - if (event->refs) { - kfree(event->refs); - event->refs = NULL; - } -} - -int -nvkm_event_init(const struct nvkm_event_func *func, int types_nr, int index_nr, - struct nvkm_event *event) -{ - event->refs = kzalloc(sizeof(*event->refs) * index_nr * types_nr, - GFP_KERNEL); - if (!event->refs) - return -ENOMEM; - - event->func = func; - event->types_nr = types_nr; - event->index_nr = index_nr; - spin_lock_init(&event->refs_lock); - spin_lock_init(&event->list_lock); - INIT_LIST_HEAD(&event->list); - return 0; -} |