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author | Yunhong Jiang <yunhong.jiang@intel.com> | 2015-08-04 12:17:53 -0700 |
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committer | Yunhong Jiang <yunhong.jiang@intel.com> | 2015-08-04 15:44:42 -0700 |
commit | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (patch) | |
tree | 1c9cafbcd35f783a87880a10f85d1a060db1a563 /kernel/drivers/gpu/drm/nouveau/include/nvkm/subdev/timer.h | |
parent | 98260f3884f4a202f9ca5eabed40b1354c489b29 (diff) |
Add the rt linux 4.1.3-rt3 as base
Import the rt linux 4.1.3-rt3 as OPNFV kvm base.
It's from git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-4.1.y-rt and
the base is:
commit 0917f823c59692d751951bf5ea699a2d1e2f26a2
Author: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Sat Jul 25 12:13:34 2015 +0200
Prepare v4.1.3-rt3
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
We lose all the git history this way and it's not good. We
should apply another opnfv project repo in future.
Change-Id: I87543d81c9df70d99c5001fbdf646b202c19f423
Signed-off-by: Yunhong Jiang <yunhong.jiang@intel.com>
Diffstat (limited to 'kernel/drivers/gpu/drm/nouveau/include/nvkm/subdev/timer.h')
-rw-r--r-- | kernel/drivers/gpu/drm/nouveau/include/nvkm/subdev/timer.h | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/kernel/drivers/gpu/drm/nouveau/include/nvkm/subdev/timer.h b/kernel/drivers/gpu/drm/nouveau/include/nvkm/subdev/timer.h new file mode 100644 index 000000000..4ad55082e --- /dev/null +++ b/kernel/drivers/gpu/drm/nouveau/include/nvkm/subdev/timer.h @@ -0,0 +1,61 @@ +#ifndef __NVKM_TIMER_H__ +#define __NVKM_TIMER_H__ +#include <core/subdev.h> + +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 |