ubuntu-linux-kernel/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gm20b.c

57 lines
1.7 KiB
C

/*
* Copyright (c) 2016, NVIDIA CORPORATION. All rights reserved.
*
* 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 AUTHORS OR COPYRIGHT HOLDERS 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.
*/
#include <engine/falcon.h>
#include <core/msgqueue.h>
#include "priv.h"
static void
gm20b_pmu_recv(struct nvkm_pmu *pmu)
{
if (!pmu->queue) {
nvkm_warn(&pmu->subdev,
"recv function called while no firmware set!\n");
return;
}
nvkm_msgqueue_recv(pmu->queue);
}
static const struct nvkm_pmu_func
gm20b_pmu = {
.enabled = gf100_pmu_enabled,
.intr = gt215_pmu_intr,
.recv = gm20b_pmu_recv,
};
int
gm20b_pmu_new(struct nvkm_device *device, int index, struct nvkm_pmu **ppmu)
{
int ret;
ret = nvkm_pmu_new_(&gm20b_pmu, device, index, ppmu);
if (ret)
return ret;
return 0;
}