diff options
Diffstat (limited to 'board/scout/board.c')
| -rw-r--r-- | board/scout/board.c | 39 |
1 files changed, 37 insertions, 2 deletions
diff --git a/board/scout/board.c b/board/scout/board.c index 6758828ae0..5ca703c76b 100644 --- a/board/scout/board.c +++ b/board/scout/board.c @@ -341,6 +341,8 @@ BUILD_ASSERT(ARRAY_SIZE(mft_channels) == MFT_CH_COUNT); /******************************************************************************/ /* Thermal control; drive fan based on temperature sensors. */ +static const int temp_fan_off = C_TO_K(35); +static const int temp_fan_max = C_TO_K(55); const static struct ec_thermal_config thermal_a = { .temp_host = { [EC_TEMP_THRESH_WARN] = 0, @@ -352,8 +354,8 @@ const static struct ec_thermal_config thermal_a = { [EC_TEMP_THRESH_HIGH] = C_TO_K(78), [EC_TEMP_THRESH_HALT] = 0, }, - .temp_fan_off = C_TO_K(25), - .temp_fan_max = C_TO_K(89), + .temp_fan_off = temp_fan_off, + .temp_fan_max = temp_fan_max, }; const static struct ec_thermal_config thermal_b = { @@ -375,6 +377,39 @@ struct ec_thermal_config thermal_params[] = { }; BUILD_ASSERT(ARRAY_SIZE(thermal_params) == TEMP_SENSOR_COUNT); +static const struct fan_step_1_1 fan_table0[] = { + { .decreasing_temp_ratio_threshold = TEMP_TO_RATIO(35), + .increasing_temp_ratio_threshold = TEMP_TO_RATIO(41), + .rpm = 2400 }, + { .decreasing_temp_ratio_threshold = TEMP_TO_RATIO(40), + .increasing_temp_ratio_threshold = TEMP_TO_RATIO(44), + .rpm = 2900 }, + { .decreasing_temp_ratio_threshold = TEMP_TO_RATIO(42), + .increasing_temp_ratio_threshold = TEMP_TO_RATIO(46), + .rpm = 3400 }, + { .decreasing_temp_ratio_threshold = TEMP_TO_RATIO(44), + .increasing_temp_ratio_threshold = TEMP_TO_RATIO(48), + .rpm = 3900 }, + { .decreasing_temp_ratio_threshold = TEMP_TO_RATIO(46), + .increasing_temp_ratio_threshold = TEMP_TO_RATIO(50), + .rpm = 4400 }, + { .decreasing_temp_ratio_threshold = TEMP_TO_RATIO(48), + .increasing_temp_ratio_threshold = TEMP_TO_RATIO(52), + .rpm = 4900 }, + { .decreasing_temp_ratio_threshold = TEMP_TO_RATIO(50), + .increasing_temp_ratio_threshold = TEMP_TO_RATIO(55), + .rpm = 5300 }, +}; +#define NUM_FAN_LEVELS ARRAY_SIZE(fan_table0) + +static const struct fan_step_1_1 *fan_table = fan_table0; + +int fan_percent_to_rpm(int fan_index, int temp_ratio) +{ + return temp_ratio_to_rpm_hysteresis(fan_table, NUM_FAN_LEVELS, + fan_index, temp_ratio, NULL); +} + /* Power sensors */ const struct ina3221_t ina3221[] = { { I2C_PORT_INA, 0x40, { "PP3300_G", "PP5000_A", "PP3300_WLAN" } }, |