diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/core/include/core/event.h')
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/include/core/event.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/core/include/core/event.h b/drivers/gpu/drm/nouveau/core/include/core/event.h new file mode 100644 index 0000000..9e09440 --- /dev/null +++ b/drivers/gpu/drm/nouveau/core/include/core/event.h @@ -0,0 +1,36 @@ +#ifndef __NVKM_EVENT_H__ +#define __NVKM_EVENT_H__ + +/* return codes from event handlers */ +#define NVKM_EVENT_DROP 0 +#define NVKM_EVENT_KEEP 1 + +struct nouveau_eventh { + struct list_head head; + int (*func)(struct nouveau_eventh *, int index); +}; + +struct nouveau_event { + spinlock_t lock; + + void *priv; + void (*enable)(struct nouveau_event *, int index); + void (*disable)(struct nouveau_event *, int index); + + int index_nr; + struct { + struct list_head list; + int refs; + } index[]; +}; + +int nouveau_event_create(int index_nr, struct nouveau_event **); +void nouveau_event_destroy(struct nouveau_event **); +void nouveau_event_trigger(struct nouveau_event *, int index); + +void nouveau_event_get(struct nouveau_event *, int index, + struct nouveau_eventh *); +void nouveau_event_put(struct nouveau_event *, int index, + struct nouveau_eventh *); + +#endif |