| /* |
| * 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 |
| nouveau_timer_wait_eq(void *obj, u64 nsec, u32 addr, u32 mask, u32 data) |
| { |
| struct nouveau_timer *ptimer = nouveau_timer(obj); |
| u64 time0; |
| |
| time0 = ptimer->read(ptimer); |
| do { |
| if (nv_iclass(obj, NV_SUBDEV_CLASS)) { |
| if ((nv_rd32(obj, addr) & mask) == data) |
| return true; |
| } else { |
| if ((nv_ro32(obj, addr) & mask) == data) |
| return true; |
| } |
| } while (ptimer->read(ptimer) - time0 < nsec); |
| |
| return false; |
| } |
| |
| bool |
| nouveau_timer_wait_ne(void *obj, u64 nsec, u32 addr, u32 mask, u32 data) |
| { |
| struct nouveau_timer *ptimer = nouveau_timer(obj); |
| u64 time0; |
| |
| time0 = ptimer->read(ptimer); |
| do { |
| if (nv_iclass(obj, NV_SUBDEV_CLASS)) { |
| if ((nv_rd32(obj, addr) & mask) != data) |
| return true; |
| } else { |
| if ((nv_ro32(obj, addr) & mask) != data) |
| return true; |
| } |
| } while (ptimer->read(ptimer) - time0 < nsec); |
| |
| return false; |
| } |
| |
| bool |
| nouveau_timer_wait_cb(void *obj, u64 nsec, bool (*func)(void *), void *data) |
| { |
| struct nouveau_timer *ptimer = nouveau_timer(obj); |
| u64 time0; |
| |
| time0 = ptimer->read(ptimer); |
| do { |
| if (func(data) == true) |
| return true; |
| } while (ptimer->read(ptimer) - time0 < nsec); |
| |
| return false; |
| } |
| |
| void |
| nouveau_timer_alarm(void *obj, u32 nsec, struct nouveau_alarm *alarm) |
| { |
| struct nouveau_timer *ptimer = nouveau_timer(obj); |
| ptimer->alarm(ptimer, nsec, alarm); |
| } |
| |
| void |
| nouveau_timer_alarm_cancel(void *obj, struct nouveau_alarm *alarm) |
| { |
| struct nouveau_timer *ptimer = nouveau_timer(obj); |
| ptimer->alarm_cancel(ptimer, alarm); |
| } |