57 lines
1.9 KiB
C
57 lines
1.9 KiB
C
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/*
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* Copyright 2017 Rhys Kidd
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* Authors: Rhys Kidd
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*/
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#include "priv.h"
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static int
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gp100_temp_get(struct nvkm_therm *therm)
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{
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struct nvkm_device *device = therm->subdev.device;
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struct nvkm_subdev *subdev = &therm->subdev;
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u32 tsensor = nvkm_rd32(device, 0x020460);
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u32 inttemp = (tsensor & 0x0001fff8);
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/* device SHADOWed */
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if (tsensor & 0x40000000)
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nvkm_trace(subdev, "reading temperature from SHADOWed sensor\n");
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/* device valid */
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if (tsensor & 0x20000000)
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return (inttemp >> 8);
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else
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return -ENODEV;
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}
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static const struct nvkm_therm_func
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gp100_therm = {
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.temp_get = gp100_temp_get,
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.program_alarms = nvkm_therm_program_alarms_polling,
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};
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int
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gp100_therm_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
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struct nvkm_therm **ptherm)
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{
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return nvkm_therm_new_(&gp100_therm, device, type, inst, ptherm);
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}
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