76 lines
2.5 KiB
C
76 lines
2.5 KiB
C
|
/*
|
||
|
|
* 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, 0x00e728) & 0x0000ffff;
|
||
|
|
u32 ctrl = nvkm_rd32(device, 0x00e720);
|
||
|
|
if (ctrl & 0x00000001)
|
||
|
|
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, 0x00e720, 0x00000003, 0x00000002);
|
||
|
|
if (tach->func != DCB_GPIO_UNUSED) {
|
||
|
|
nvkm_wr32(device, 0x00e724, device->crystal * 1000);
|
||
|
|
nvkm_mask(device, 0x00e720, 0x001f0000, tach->line << 16);
|
||
|
|
nvkm_mask(device, 0x00e720, 0x00000001, 0x00000001);
|
||
|
|
}
|
||
|
|
nvkm_mask(device, 0x00e720, 0x00000002, 0x00000000);
|
||
|
|
}
|
||
|
|
|
||
|
|
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);
|
||
|
|
}
|