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
12 * all copies or substantial portions of the Software.
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15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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25 #include "subdev/timer.h"
28 nouveau_timer_wait_eq(void *obj, u64 nsec, u32 addr, u32 mask, u32 data)
30 struct nouveau_timer *ptimer = nouveau_timer(obj);
33 time0 = ptimer->read(ptimer);
35 if (nv_iclass(obj, NV_SUBDEV_CLASS)) {
36 if ((nv_rd32(obj, addr) & mask) == data)
39 if ((nv_ro32(obj, addr) & mask) == data)
42 } while (ptimer->read(ptimer) - time0 < nsec);
48 nouveau_timer_wait_ne(void *obj, u64 nsec, u32 addr, u32 mask, u32 data)
50 struct nouveau_timer *ptimer = nouveau_timer(obj);
53 time0 = ptimer->read(ptimer);
55 if (nv_iclass(obj, NV_SUBDEV_CLASS)) {
56 if ((nv_rd32(obj, addr) & mask) != data)
59 if ((nv_ro32(obj, addr) & mask) != data)
62 } while (ptimer->read(ptimer) - time0 < nsec);
68 nouveau_timer_wait_cb(void *obj, u64 nsec, bool (*func)(void *), void *data)
70 struct nouveau_timer *ptimer = nouveau_timer(obj);
73 time0 = ptimer->read(ptimer);
75 if (func(data) == true)
77 } while (ptimer->read(ptimer) - time0 < nsec);
83 nouveau_timer_alarm(void *obj, u32 nsec, struct nouveau_alarm *alarm)
85 struct nouveau_timer *ptimer = nouveau_timer(obj);
86 ptimer->alarm(ptimer, nsec, alarm);