/* * 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 * Martin Peres
*/ #include"priv.h"
staticenum nv40_sensor_style
nv40_sensor_style(struct nvkm_therm *therm)
{ switch (therm->subdev.device->chipset) { case 0x43: case 0x44: case 0x4a: case 0x47: return OLD_STYLE; case 0x46: case 0x49: case 0x4b: case 0x4e: case 0x4c: case 0x67: case 0x68: case 0x63: return NEW_STYLE; default: return INVALID_STYLE;
}
}
/* enable ADC readout and disable the ALARM threshold */ if (style == NEW_STYLE) {
nvkm_mask(device, 0x15b8, 0x80000000, 0);
nvkm_wr32(device, 0x15b0, 0x80003fff);
mdelay(20); /* wait for the temperature to stabilize */ return nvkm_rd32(device, 0x15b4) & 0x3fff;
} elseif (style == OLD_STYLE) {
nvkm_wr32(device, 0x15b0, 0xff);
mdelay(20); /* wait for the temperature to stabilize */ return nvkm_rd32(device, 0x15b4) & 0xff;
} else return -ENODEV;
}
/* if the slope or the offset is unset, do no use the sensor */ if (!sensor->slope_div || !sensor->slope_mult ||
!sensor->offset_num || !sensor->offset_den) return -ENODEV;
Die Informationen auf dieser Webseite wurden
nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit,
noch Qualität der bereit gestellten Informationen zugesichert.
Bemerkung:
Die farbliche Syntaxdarstellung und die Messung sind noch experimentell.