diff options
Diffstat (limited to 'board')
| -rw-r--r-- | board/brya/board.h | 7 | ||||
| -rw-r--r-- | board/brya/fans.c | 45 | ||||
| -rw-r--r-- | board/brya/pwm.c | 3 |
3 files changed, 48 insertions, 7 deletions
diff --git a/board/brya/board.h b/board/brya/board.h index 059d81d8ce..8c89a3e917 100644 --- a/board/brya/board.h +++ b/board/brya/board.h @@ -49,8 +49,6 @@ #define GPIO_SYS_RESET_L GPIO_SYS_RST_ODL #define GPIO_WP_L GPIO_EC_WP_ODL -#define CONFIG_FANS FAN_CH_COUNT - /* System has back-lit keyboard */ #define CONFIG_PWM_KBLIGHT @@ -87,6 +85,11 @@ #define CONFIG_TEMP_SENSOR_POWER_GPIO GPIO_SEQ_EC_DSW_PWROK #define CONFIG_STEINHART_HART_3V3_30K9_47K_4050B +/* + * TODO(b/181271666): no fan control loop until sensors are tuned + */ +/* #define CONFIG_FANS FAN_CH_COUNT */ + #ifndef __ASSEMBLER__ #include "gpio_signal.h" /* needed by registers.h */ diff --git a/board/brya/fans.c b/board/brya/fans.c index 9a7b7f8199..1427499e79 100644 --- a/board/brya/fans.c +++ b/board/brya/fans.c @@ -6,9 +6,12 @@ /* Physical fans. These are logically separate from pwm_channels. */ #include "common.h" - -#include "fan.h" +#include "console.h" #include "fan_chip.h" +#include "fan.h" +#include "hooks.h" +#include "pwm_chip.h" +#include "pwm.h" /* MFT channels. These are logically separate from pwm_channels. */ const struct mft_t mft_channels[] = { @@ -45,3 +48,41 @@ const struct fan_t fans[FAN_CH_COUNT] = { .rpm = &fan_rpm_0, }, }; + +#ifndef CONFIG_FANS + +/* + * TODO(b/181271666): use static fan speeds until fan and sensors are + * tuned. for now, use: + * + * AP off: 33% + * AP on: 100% + */ + +static void fan_slow(void) +{ + const int duty_pct = 33; + + ccprints("%s: speed %d%%", __func__, duty_pct); + + pwm_enable(PWM_CH_FAN, 1); + pwm_set_duty(PWM_CH_FAN, duty_pct); +} + +static void fan_max(void) +{ + const int duty_pct = 100; + + ccprints("%s: speed %d%%", __func__, duty_pct); + + pwm_enable(PWM_CH_FAN, 1); + pwm_set_duty(PWM_CH_FAN, duty_pct); +} + +DECLARE_HOOK(HOOK_INIT, fan_slow, HOOK_PRIO_DEFAULT); +DECLARE_HOOK(HOOK_CHIPSET_SUSPEND, fan_slow, HOOK_PRIO_DEFAULT); +DECLARE_HOOK(HOOK_CHIPSET_SHUTDOWN, fan_slow, HOOK_PRIO_DEFAULT); +DECLARE_HOOK(HOOK_CHIPSET_RESET, fan_max, HOOK_PRIO_FIRST); +DECLARE_HOOK(HOOK_CHIPSET_RESUME, fan_max, HOOK_PRIO_DEFAULT); + +#endif /* CONFIG_FANS */ diff --git a/board/brya/pwm.c b/board/brya/pwm.c index 3e8df2a85f..a6b65b038c 100644 --- a/board/brya/pwm.c +++ b/board/brya/pwm.c @@ -66,8 +66,5 @@ static void board_pwm_init(void) pwm_enable(PWM_CH_KBLIGHT, 1); pwm_set_duty(PWM_CH_KBLIGHT, 50); - - pwm_enable(PWM_CH_FAN, 1); - pwm_set_duty(PWM_CH_FAN, 100); } DECLARE_HOOK(HOOK_INIT, board_pwm_init, HOOK_PRIO_DEFAULT); |