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Sync dGPU and PECI fans (at highest requested duty)

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This commit is contained in:
Winston Hoy
2021-01-17 21:55:59 -05:00
committed by Jeremy Soller
parent 73b4e42726
commit f0c42f5839
9 changed files with 46 additions and 23 deletions
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28
src/board/system76/common/fan.c
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@ -1,9 +1,14 @@
// SPDX-License-Identifier: GPL-3.0-only
#include <board/fan.h>
#include <common/debug.h>
#include <ec/pwm.h>
bool fan_max = false;
#define max_speed PWM_DUTY(100)
#define min_speed PWM_DUTY(0)
void fan_reset(void) {
// Do not manually set fans to maximum speed
fan_max = false;
@ -21,7 +26,7 @@ uint8_t fan_duty(const struct Fan * fan, int16_t temp) __reentrant {
} else if (temp < cur->temp) {
// If lower than first temp, return 0%
if (i == 0) {
return PWM_DUTY(0);
return min_speed;
} else {
const struct FanPoint * prev = &fan->points[i - 1];
@ -43,7 +48,26 @@ uint8_t fan_duty(const struct Fan * fan, int16_t temp) __reentrant {
}
// If no point is found, return 100%
return PWM_DUTY(100);
return max_speed;
}
void fan_duty_set(uint8_t peci_fan_duty, uint8_t dgpu_fan_duty) __reentrant {
#ifdef SYNC_FANS
peci_fan_duty = peci_fan_duty > dgpu_fan_duty ? peci_fan_duty : dgpu_fan_duty;
dgpu_fan_duty = peci_fan_duty > dgpu_fan_duty ? peci_fan_duty : dgpu_fan_duty;
#endif
// set PECI fan duty
if (peci_fan_duty != DCR2) {
DCR2 = peci_fan_duty;
DEBUG("PECI fan_duty=%d\n", peci_fan_duty);
}
// set dGPU fan duty
if (dgpu_fan_duty != DCR4) {
DCR4 = dgpu_fan_duty;
DEBUG("DGPU fan_duty=%d\n", dgpu_fan_duty);
}
}
uint8_t fan_heatup(const struct Fan * fan, uint8_t duty) __reentrant {