From 57f0f512b273f60d52568b8c6b77e17f5636edc0 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Wed, 5 Aug 2015 17:04:01 -0300 Subject: Initial import --- .../gpu/drm/nouveau/include/nvkm/subdev/timer.h | 61 ++++++++++++++++++++++ 1 file changed, 61 insertions(+) create mode 100644 drivers/gpu/drm/nouveau/include/nvkm/subdev/timer.h (limited to 'drivers/gpu/drm/nouveau/include/nvkm/subdev/timer.h') diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/timer.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/timer.h new file mode 100644 index 000000000..4ad55082e --- /dev/null +++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/timer.h @@ -0,0 +1,61 @@ +#ifndef __NVKM_TIMER_H__ +#define __NVKM_TIMER_H__ +#include + +struct nvkm_alarm { + struct list_head head; + u64 timestamp; + void (*func)(struct nvkm_alarm *); +}; + +static inline void +nvkm_alarm_init(struct nvkm_alarm *alarm, + void (*func)(struct nvkm_alarm *)) +{ + INIT_LIST_HEAD(&alarm->head); + alarm->func = func; +} + +bool nvkm_timer_wait_eq(void *, u64 nsec, u32 addr, u32 mask, u32 data); +bool nvkm_timer_wait_ne(void *, u64 nsec, u32 addr, u32 mask, u32 data); +bool nvkm_timer_wait_cb(void *, u64 nsec, bool (*func)(void *), void *data); +void nvkm_timer_alarm(void *, u32 nsec, struct nvkm_alarm *); +void nvkm_timer_alarm_cancel(void *, struct nvkm_alarm *); + +#define NV_WAIT_DEFAULT 2000000000ULL +#define nv_wait(o,a,m,v) \ + nvkm_timer_wait_eq((o), NV_WAIT_DEFAULT, (a), (m), (v)) +#define nv_wait_ne(o,a,m,v) \ + nvkm_timer_wait_ne((o), NV_WAIT_DEFAULT, (a), (m), (v)) +#define nv_wait_cb(o,c,d) \ + nvkm_timer_wait_cb((o), NV_WAIT_DEFAULT, (c), (d)) + +struct nvkm_timer { + struct nvkm_subdev base; + u64 (*read)(struct nvkm_timer *); + void (*alarm)(struct nvkm_timer *, u64 time, struct nvkm_alarm *); + void (*alarm_cancel)(struct nvkm_timer *, struct nvkm_alarm *); +}; + +static inline struct nvkm_timer * +nvkm_timer(void *obj) +{ + return (void *)nvkm_subdev(obj, NVDEV_SUBDEV_TIMER); +} + +#define nvkm_timer_create(p,e,o,d) \ + nvkm_subdev_create_((p), (e), (o), 0, "PTIMER", "timer", \ + sizeof(**d), (void **)d) +#define nvkm_timer_destroy(p) \ + nvkm_subdev_destroy(&(p)->base) +#define nvkm_timer_init(p) \ + nvkm_subdev_init(&(p)->base) +#define nvkm_timer_fini(p,s) \ + nvkm_subdev_fini(&(p)->base, (s)) + +int nvkm_timer_create_(struct nvkm_object *, struct nvkm_engine *, + struct nvkm_oclass *, int size, void **); + +extern struct nvkm_oclass nv04_timer_oclass; +extern struct nvkm_oclass gk20a_timer_oclass; +#endif -- cgit v1.2.3-54-g00ecf