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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 "nv04.h"
static int
gk20a_timer_init(struct nvkm_object *object)
{
struct nv04_timer *tmr = (void *)object;
struct nvkm_device *device = tmr->base.subdev.device;
u32 hi = upper_32_bits(tmr->suspend_time);
u32 lo = lower_32_bits(tmr->suspend_time);
int ret;
ret = nvkm_timer_init(&tmr->base);
if (ret)
return ret;
nv_debug(tmr, "time low : 0x%08x\n", lo);
nv_debug(tmr, "time high : 0x%08x\n", hi);
/* restore the time before suspend */
nvkm_wr32(device, NV04_PTIMER_TIME_1, hi);
nvkm_wr32(device, NV04_PTIMER_TIME_0, lo);
return 0;
}
struct nvkm_oclass
gk20a_timer_oclass = {
.handle = NV_SUBDEV(TIMER, 0xff),
.ofuncs = &(struct nvkm_ofuncs) {
.ctor = nv04_timer_ctor,
.dtor = nv04_timer_dtor,
.init = gk20a_timer_init,
.fini = nv04_timer_fini,
}
};
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