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/*
* Copyright 2012 Red Hat Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* Authors: Ben Skeggs
*/
#include <subdev/timer.h>
bool
nvkm_timer_wait_eq(void *obj, u64 nsec, u32 addr, u32 mask, u32 data)
{
struct nvkm_timer *ptimer = nvkm_timer(obj);
struct nvkm_device *device = ptimer->subdev.device;
u64 time0;
time0 = ptimer->read(ptimer);
do {
if (nv_iclass(obj, NV_SUBDEV_CLASS)) {
if ((nvkm_rd32(device, addr) & mask) == data)
return true;
} else {
if ((nv_ro32(obj, addr) & mask) == data)
return true;
}
} while (ptimer->read(ptimer) - time0 < nsec);
return false;
}
bool
nvkm_timer_wait_ne(void *obj, u64 nsec, u32 addr, u32 mask, u32 data)
{
struct nvkm_timer *ptimer = nvkm_timer(obj);
struct nvkm_device *device = ptimer->subdev.device;
u64 time0;
time0 = ptimer->read(ptimer);
do {
if (nv_iclass(obj, NV_SUBDEV_CLASS)) {
if ((nvkm_rd32(device, addr) & mask) != data)
return true;
} else {
if ((nv_ro32(obj, addr) & mask) != data)
return true;
}
} while (ptimer->read(ptimer) - time0 < nsec);
return false;
}
bool
nvkm_timer_wait_cb(void *obj, u64 nsec, bool (*func)(void *), void *data)
{
struct nvkm_timer *ptimer = nvkm_timer(obj);
u64 time0;
time0 = ptimer->read(ptimer);
do {
if (func(data) == true)
return true;
} while (ptimer->read(ptimer) - time0 < nsec);
return false;
}
void
nvkm_timer_alarm(void *obj, u32 nsec, struct nvkm_alarm *alarm)
{
struct nvkm_timer *tmr = nvkm_timer(obj);
tmr->alarm(tmr, nsec, alarm);
}
void
nvkm_timer_alarm_cancel(void *obj, struct nvkm_alarm *alarm)
{
struct nvkm_timer *tmr = nvkm_timer(obj);
tmr->alarm_cancel(tmr, alarm);
}
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