/* * 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); }