/*
* 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
*/
#include "priv.h"
#include <subdev/gpio.h>
int
gt215_therm_fan_sense(struct nvkm_therm *therm)
{
struct nvkm_device *device = therm->subdev.device;
u32 tach = nvkm_rd32(device, 0 x00e728) & 0 x0000ffff;
u32 ctrl = nvkm_rd32(device, 0 x00e720);
if (ctrl & 0 x00000001)
return tach * 60 / 2 ;
return -ENODEV;
}
static void
gt215_therm_init(struct nvkm_therm *therm)
{
struct nvkm_device *device = therm->subdev.device;
struct dcb_gpio_func *tach = &therm->fan->tach;
g84_sensor_setup(therm);
/* enable fan tach, count revolutions per-second */
nvkm_mask(device, 0 x00e720, 0 x00000003, 0 x00000002);
if (tach->func != DCB_GPIO_UNUSED) {
nvkm_wr32(device, 0 x00e724, device->crystal * 1000 );
nvkm_mask(device, 0 x00e720, 0 x001f0000, tach->line << 16 );
nvkm_mask(device, 0 x00e720, 0 x00000001, 0 x00000001);
}
nvkm_mask(device, 0 x00e720, 0 x00000002, 0 x00000000);
}
static const struct nvkm_therm_func
gt215_therm = {
.init = gt215_therm_init,
.fini = g84_therm_fini,
.pwm_ctrl = nv50_fan_pwm_ctrl,
.pwm_get = nv50_fan_pwm_get,
.pwm_set = nv50_fan_pwm_set,
.pwm_clock = nv50_fan_pwm_clock,
.temp_get = g84_temp_get,
.fan_sense = gt215_therm_fan_sense,
.program_alarms = nvkm_therm_program_alarms_polling,
};
int
gt215_therm_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
struct nvkm_therm **ptherm)
{
return nvkm_therm_new_(>215_therm, device, type, inst, ptherm);
}
Messung V0.5 in Prozent C=98 H=100 G=98
¤ Dauer der Verarbeitung: 0.9 Sekunden
(vorverarbeitet am 2026-10-06)
¤
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