2 * Copyright 2012 Red Hat Inc.
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5 * copy of this software and associated documentation files (the "Software"),
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9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice shall be included in
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15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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24 #include <subdev/timer.h>
27 nvkm_timer_wait_eq(void *obj, u64 nsec, u32 addr, u32 mask, u32 data)
29 struct nvkm_timer *ptimer = nvkm_timer(obj);
32 time0 = ptimer->read(ptimer);
34 if (nv_iclass(obj, NV_SUBDEV_CLASS)) {
35 if ((nv_rd32(obj, addr) & mask) == data)
38 if ((nv_ro32(obj, addr) & mask) == data)
41 } while (ptimer->read(ptimer) - time0 < nsec);
47 nvkm_timer_wait_ne(void *obj, u64 nsec, u32 addr, u32 mask, u32 data)
49 struct nvkm_timer *ptimer = nvkm_timer(obj);
52 time0 = ptimer->read(ptimer);
54 if (nv_iclass(obj, NV_SUBDEV_CLASS)) {
55 if ((nv_rd32(obj, addr) & mask) != data)
58 if ((nv_ro32(obj, addr) & mask) != data)
61 } while (ptimer->read(ptimer) - time0 < nsec);
67 nvkm_timer_wait_cb(void *obj, u64 nsec, bool (*func)(void *), void *data)
69 struct nvkm_timer *ptimer = nvkm_timer(obj);
72 time0 = ptimer->read(ptimer);
74 if (func(data) == true)
76 } while (ptimer->read(ptimer) - time0 < nsec);
82 nvkm_timer_alarm(void *obj, u32 nsec, struct nvkm_alarm *alarm)
84 struct nvkm_timer *ptimer = nvkm_timer(obj);
85 ptimer->alarm(ptimer, nsec, alarm);
89 nvkm_timer_alarm_cancel(void *obj, struct nvkm_alarm *alarm)
91 struct nvkm_timer *ptimer = nvkm_timer(obj);
92 ptimer->alarm_cancel(ptimer, alarm);