57 lines
1.9 KiB
C
57 lines
1.9 KiB
C
|
/*
|
||
|
|
* Copyright 2017 Rhys Kidd
|
||
|
|
*
|
||
|
|
* 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: Rhys Kidd
|
||
|
|
*/
|
||
|
|
#include "priv.h"
|
||
|
|
|
||
|
|
static int
|
||
|
|
gp100_temp_get(struct nvkm_therm *therm)
|
||
|
|
{
|
||
|
|
struct nvkm_device *device = therm->subdev.device;
|
||
|
|
struct nvkm_subdev *subdev = &therm->subdev;
|
||
|
|
u32 tsensor = nvkm_rd32(device, 0x020460);
|
||
|
|
u32 inttemp = (tsensor & 0x0001fff8);
|
||
|
|
|
||
|
|
/* device SHADOWed */
|
||
|
|
if (tsensor & 0x40000000)
|
||
|
|
nvkm_trace(subdev, "reading temperature from SHADOWed sensor\n");
|
||
|
|
|
||
|
|
/* device valid */
|
||
|
|
if (tsensor & 0x20000000)
|
||
|
|
return (inttemp >> 8);
|
||
|
|
else
|
||
|
|
return -ENODEV;
|
||
|
|
}
|
||
|
|
|
||
|
|
static const struct nvkm_therm_func
|
||
|
|
gp100_therm = {
|
||
|
|
.temp_get = gp100_temp_get,
|
||
|
|
.program_alarms = nvkm_therm_program_alarms_polling,
|
||
|
|
};
|
||
|
|
|
||
|
|
int
|
||
|
|
gp100_therm_new(struct nvkm_device *device, int index,
|
||
|
|
struct nvkm_therm **ptherm)
|
||
|
|
{
|
||
|
|
return nvkm_therm_new_(&gp100_therm, device, index, ptherm);
|
||
|
|
}
|