/* Copyright 2017 The Chromium OS Authors. All rights reserved. * Use of this source code is governed by a BSD-style license that can be * found in the LICENSE file. */ /* Fizz board-specific configuration */ #include "adc.h" #include "adc_chip.h" #include "als.h" #include "battery.h" #include "bd99992gw.h" #include "board_config.h" #include "button.h" #include "charge_manager.h" #include "charge_state.h" #include "charger.h" #include "chipset.h" #include "console.h" #include "cros_board_info.h" #include "driver/pmic_tps650x30.h" #include "driver/temp_sensor/tmp432.h" #include "driver/tcpm/ps8xxx.h" #include "driver/tcpm/tcpci.h" #include "driver/tcpm/tcpm.h" #include "espi.h" #include "extpower.h" #include "espi.h" #include "fan.h" #include "fan_chip.h" #include "gpio.h" #include "hooks.h" #include "host_command.h" #include "i2c.h" #include "math_util.h" #include "pi3usb9281.h" #include "power.h" #include "power_button.h" #include "pwm.h" #include "pwm_chip.h" #include "spi.h" #include "switch.h" #include "system.h" #include "task.h" #include "temp_sensor.h" #include "timer.h" #include "uart.h" #include "usb_charge.h" #include "usb_mux.h" #include "usb_pd.h" #include "usb_pd_tcpm.h" #include "util.h" #define CPRINTS(format, args...) cprints(CC_USBCHARGE, format, ## args) #define CPRINTF(format, args...) cprintf(CC_USBCHARGE, format, ## args) static uint16_t board_version; static uint8_t oem; static uint8_t sku; static void tcpc_alert_event(enum gpio_signal signal) { schedule_deferred_pd_interrupt(0 /* port */); } #define ADP_DEBOUNCE_MS 1000 /* Debounce time for BJ plug/unplug */ /* * ADP_IN pin state. It's initialized to 1 (=unplugged) because the IRQ won't * be triggered if BJ is the power source. */ static int adp_in_state = 1; static void adp_in_deferred(void); DECLARE_DEFERRED(adp_in_deferred); static void adp_in_deferred(void) { struct charge_port_info pi = { 0 }; int level = gpio_get_level(GPIO_ADP_IN_L); /* Debounce */ if (level == adp_in_state) return; if (!level) { /* BJ is inserted but the voltage isn't effective because PU3 * is still disabled. */ pi.voltage = 19500; if (chipset_in_state(CHIPSET_STATE_ANY_OFF)) /* * It doesn't matter what we set here because we'll * brown out anyway when charge_manager switches * input. */ pi.current = 3330; } charge_manager_update_charge(CHARGE_SUPPLIER_DEDICATED, DEDICATED_CHARGE_PORT, &pi); /* * Explicitly notifies the host that BJ is plugged or unplugged * (when running on a type-c adapter). */ pd_send_host_event(PD_EVENT_POWER_CHANGE); adp_in_state = level; } /* IRQ for BJ plug/unplug. It shouldn't be called if BJ is the power source. */ void adp_in(enum gpio_signal signal) { if (adp_in_state == gpio_get_level(GPIO_ADP_IN_L)) return; hook_call_deferred(&adp_in_deferred_data, ADP_DEBOUNCE_MS * MSEC); } void vbus0_evt(enum gpio_signal signal) { task_wake(TASK_ID_PD_C0); } #include "gpio_list.h" /* Hibernate wake configuration */ const enum gpio_signal hibernate_wake_pins[] = { GPIO_POWER_BUTTON_L, }; const int hibernate_wake_pins_used = ARRAY_SIZE(hibernate_wake_pins); /* ADC channels */ const struct adc_t adc_channels[] = { /* Vbus sensing (1/10 voltage divider). */ [ADC_VBUS] = {"VBUS", NPCX_ADC_CH2, ADC_MAX_VOLT*10, ADC_READ_MAX+1, 0}, }; BUILD_ASSERT(ARRAY_SIZE(adc_channels) == ADC_CH_COUNT); /******************************************************************************/ /* Physical fans. These are logically separate from pwm_channels. */ const struct fan_conf fan_conf_0 = { .flags = FAN_USE_RPM_MODE, .ch = MFT_CH_0, /* Use MFT id to control fan */ .pgood_gpio = -1, .enable_gpio = GPIO_FAN_PWR_EN, }; const struct fan_rpm fan_rpm_0 = { .rpm_min = 2200, .rpm_start = 2200, .rpm_max = 5600, }; const struct fan_rpm fan_rpm_1 = { .rpm_min = 2800, .rpm_start = 2800, .rpm_max = 5600, }; struct fan_t fans[] = { [FAN_CH_0] = { .conf = &fan_conf_0, .rpm = &fan_rpm_0, }, }; BUILD_ASSERT(ARRAY_SIZE(fans) == FAN_CH_COUNT); /******************************************************************************/ /* MFT channels. These are logically separate from pwm_channels. */ const struct mft_t mft_channels[] = { [MFT_CH_0] = {NPCX_MFT_MODULE_2, TCKC_LFCLK, PWM_CH_FAN}, }; BUILD_ASSERT(ARRAY_SIZE(mft_channels) == MFT_CH_COUNT); /* I2C port map */ const struct i2c_port_t i2c_ports[] = { {"tcpc", NPCX_I2C_PORT0_0, 400, GPIO_I2C0_0_SCL, GPIO_I2C0_0_SDA}, {"eeprom", NPCX_I2C_PORT0_1, 400, GPIO_I2C0_1_SCL, GPIO_I2C0_1_SDA}, {"charger", NPCX_I2C_PORT1, 100, GPIO_I2C1_SCL, GPIO_I2C1_SDA}, {"pmic", NPCX_I2C_PORT2, 400, GPIO_I2C2_SCL, GPIO_I2C2_SDA}, {"thermal", NPCX_I2C_PORT3, 400, GPIO_I2C3_SCL, GPIO_I2C3_SDA}, }; const unsigned int i2c_ports_used = ARRAY_SIZE(i2c_ports); /* TCPC mux configuration */ const struct tcpc_config_t tcpc_config[CONFIG_USB_PD_PORT_COUNT] = { { .bus_type = EC_BUS_TYPE_I2C, .i2c_info = { .port = NPCX_I2C_PORT0_0, .addr_flags = I2C_ADDR_TCPC0_FLAGS, }, .drv = &ps8xxx_tcpm_drv, }, }; static int ps8751_tune_mux(int port) { /* 0x98 sets lower EQ of DP port (4.5db) */ mux_write(port, PS8XXX_REG_MUX_DP_EQ_CONFIGURATION, 0x98); return EC_SUCCESS; } struct usb_mux usb_muxes[CONFIG_USB_PD_PORT_COUNT] = { { .driver = &tcpci_tcpm_usb_mux_driver, .hpd_update = &ps8xxx_tcpc_update_hpd_status, .board_init = &ps8751_tune_mux, } }; const int usb_port_enable[USB_PORT_COUNT] = { GPIO_USB1_ENABLE, GPIO_USB2_ENABLE, GPIO_USB3_ENABLE, GPIO_USB4_ENABLE, GPIO_USB5_ENABLE, }; void board_reset_pd_mcu(void) { gpio_set_level(GPIO_USB_C0_PD_RST_ODL, 0); msleep(1); gpio_set_level(GPIO_USB_C0_PD_RST_ODL, 1); } void board_tcpc_init(void) { int port, reg; /* This needs to be executed only once per boot. It could be run by RO * if we boot in recovery mode. It could be run by RW if we boot in * normal or dev mode. Note EFS makes RO jump to RW before HOOK_INIT. */ board_reset_pd_mcu(); /* * Wake up PS8751. If PS8751 remains in low power mode after sysjump, * TCPM_INIT will fail due to not able to access PS8751. * Note PS8751 A3 will wake on any I2C access. */ i2c_read8(I2C_PORT_TCPC0, I2C_ADDR_TCPC0_FLAGS, 0xA0, ®); /* Enable TCPC interrupts */ gpio_enable_interrupt(GPIO_USB_C0_PD_INT_ODL); /* * Initialize HPD to low; after sysjump SOC needs to see * HPD pulse to enable video path */ for (port = 0; port < CONFIG_USB_PD_PORT_COUNT; port++) { const struct usb_mux *mux = &usb_muxes[port]; mux->hpd_update(port, 0, 0); } } DECLARE_HOOK(HOOK_INIT, board_tcpc_init, HOOK_PRIO_INIT_I2C+1); uint16_t tcpc_get_alert_status(void) { uint16_t status = 0; if (!gpio_get_level(GPIO_USB_C0_PD_INT_ODL)) { if (gpio_get_level(GPIO_USB_C0_PD_RST_ODL)) status |= PD_STATUS_TCPC_ALERT_0; } return status; } /* * TMP431 has one local and one remote sensor. * * Temperature sensors data; must be in same order as enum temp_sensor_id. * Sensor index and name must match those present in coreboot: * src/mainboard/google/${board}/acpi/dptf.asl */ const struct temp_sensor_t temp_sensors[] = { {"TMP431_Internal", TEMP_SENSOR_TYPE_BOARD, tmp432_get_val, TMP432_IDX_LOCAL, 4}, {"TMP431_Sensor_1", TEMP_SENSOR_TYPE_BOARD, tmp432_get_val, TMP432_IDX_REMOTE1, 4}, }; BUILD_ASSERT(ARRAY_SIZE(temp_sensors) == TEMP_SENSOR_COUNT); /* * Thermal limits for each temp sensor. All temps are in degrees K. Must be in * same order as enum temp_sensor_id. To always ignore any temp, use 0. */ struct ec_thermal_config thermal_params[] = { /* {Twarn, Thigh, Thalt}, * {Twarn, Thigh, X }, * fan_off, fan_max */ {{0, C_TO_K(80), C_TO_K(81)}, {0, C_TO_K(78), 0}, C_TO_K(4), C_TO_K(76)}, /* TMP431_Internal */ {{0, 0, 0}, {0, 0, 0}, 0, 0}, /* TMP431_Sensor_1 */ }; BUILD_ASSERT(ARRAY_SIZE(thermal_params) == TEMP_SENSOR_COUNT); /* Initialize PMIC */ #define I2C_PMIC_READ(reg, data) \ i2c_read8(I2C_PORT_PMIC, TPS650X30_I2C_ADDR1_FLAGS, (reg), (data)) #define I2C_PMIC_WRITE(reg, data) \ i2c_write8(I2C_PORT_PMIC, TPS650X30_I2C_ADDR1_FLAGS, (reg), (data)) static void board_pmic_init(void) { int err; int error_count = 0; static uint8_t pmic_initialized = 0; if (pmic_initialized) return; /* Read vendor ID */ while (1) { int data; err = I2C_PMIC_READ(TPS650X30_REG_VENDORID, &data); if (!err && data == TPS650X30_VENDOR_ID) break; else if (error_count > 5) goto pmic_error; error_count++; } /* * VCCIOCNT register setting * [6] : CSDECAYEN * otherbits: default */ err = I2C_PMIC_WRITE(TPS650X30_REG_VCCIOCNT, 0x4A); if (err) goto pmic_error; /* * VRMODECTRL: * [4] : VCCIOLPM clear * otherbits: default */ err = I2C_PMIC_WRITE(TPS650X30_REG_VRMODECTRL, 0x2F); if (err) goto pmic_error; /* * PGMASK1 : Exclude VCCIO from Power Good Tree * [7] : MVCCIOPG clear * otherbits: default */ err = I2C_PMIC_WRITE(TPS650X30_REG_PGMASK1, 0x80); if (err) goto pmic_error; /* * PWFAULT_MASK1 Register settings * [7] : 1b V4 Power Fault Masked * [4] : 1b V7 Power Fault Masked * [2] : 1b V9 Power Fault Masked * [0] : 1b V13 Power Fault Masked */ err = I2C_PMIC_WRITE(TPS650X30_REG_PWFAULT_MASK1, 0x95); if (err) goto pmic_error; /* * Discharge control 4 register configuration * [7:6] : 00b Reserved * [5:4] : 01b V3.3S discharge resistance (V6S), 100 Ohm * [3:2] : 01b V18S discharge resistance (V8S), 100 Ohm * [1:0] : 01b V100S discharge resistance (V11S), 100 Ohm */ err = I2C_PMIC_WRITE(TPS650X30_REG_DISCHCNT4, 0x15); if (err) goto pmic_error; /* * Discharge control 3 register configuration * [7:6] : 01b V1.8U_2.5U discharge resistance (V9), 100 Ohm * [5:4] : 01b V1.2U discharge resistance (V10), 100 Ohm * [3:2] : 01b V100A discharge resistance (V11), 100 Ohm * [1:0] : 01b V085A discharge resistance (V12), 100 Ohm */ err = I2C_PMIC_WRITE(TPS650X30_REG_DISCHCNT3, 0x55); if (err) goto pmic_error; /* * Discharge control 2 register configuration * [7:6] : 01b V5ADS3 discharge resistance (V5), 100 Ohm * [5:4] : 01b V33A_DSW discharge resistance (V6), 100 Ohm * [3:2] : 01b V33PCH discharge resistance (V7), 100 Ohm * [1:0] : 01b V18A discharge resistance (V8), 100 Ohm */ err = I2C_PMIC_WRITE(TPS650X30_REG_DISCHCNT2, 0x55); if (err) goto pmic_error; /* * Discharge control 1 register configuration * [7:2] : 00b Reserved * [1:0] : 01b VCCIO discharge resistance (V4), 100 Ohm */ err = I2C_PMIC_WRITE(TPS650X30_REG_DISCHCNT1, 0x01); if (err) goto pmic_error; /* * Increase Voltage * [7:0] : 0x2a default * [5:4] : 10b default * [5:4] : 01b 5.1V (0x1a) */ err = I2C_PMIC_WRITE(TPS650X30_REG_V5ADS3CNT, 0x1a); if (err) goto pmic_error; /* * PBCONFIG Register configuration * [7] : 1b Power button debounce, 0ms (no debounce) * [6] : 0b Power button reset timer logic, no action (default) * [5:0] : 011111b Force an Emergency reset time, 31s (default) */ err = I2C_PMIC_WRITE(TPS650X30_REG_PBCONFIG, 0x9F); if (err) goto pmic_error; /* * V3.3A_DSW (VR3) control. Default: 0x2A. * [7:6] : 00b Disabled * [5:4] : 00b Vnom + 3%. (default: 10b 0%) */ err = I2C_PMIC_WRITE(TPS650X30_REG_V33ADSWCNT, 0x0A); if (err) goto pmic_error; /* * V100ACNT Register Field Description. Default: 0x2A * [1:0] : 11b Forced PWM Operation. * [5:4] : 01b Output Voltage Select Vnom (1V) */ err = I2C_PMIC_WRITE(TPS650X30_REG_V100ACNT, 0x1B); if (err) goto pmic_error; CPRINTS("PMIC init done"); pmic_initialized = 1; return; pmic_error: CPRINTS("PMIC init failed"); } void chipset_pre_init_callback(void) { board_pmic_init(); } /** * Notify the AC presence GPIO to the PCH. */ static void board_extpower(void) { gpio_set_level(GPIO_PCH_ACPRESENT, extpower_is_present()); } DECLARE_HOOK(HOOK_AC_CHANGE, board_extpower, HOOK_PRIO_DEFAULT); /* Mapping to the old schematics */ #define GPIO_U42_P GPIO_TYPE_C_60W #define GPIO_U22_C GPIO_TYPE_C_65W /* * Board version 2.1 or before uses a different current monitoring circuitry. */ static void set_charge_limit(int charge_ma) { /* * We have two FETs connected to two registers: PR257 & PR258. * These control thresholds of the over current monitoring system. * * PR257, PR258 * For 4.62A (90W BJ adapter), on, off * For 3.33A (65W BJ adapter), off, on * For 3.00A (Type-C adapter), off, off * * The over current monitoring system doesn't support less than 3A * (e.g. 2.25A, 2.00A). These current most likely won't be enough to * power the system. However, if they're needed, EC can monitor * PMON_PSYS and trigger H_PROCHOT by itself. */ if (charge_ma >= 4620) { gpio_set_level(GPIO_U42_P, 1); gpio_set_level(GPIO_U22_C, 0); } else if (charge_ma >= 3330) { gpio_set_level(GPIO_U42_P, 0); gpio_set_level(GPIO_U22_C, 1); } else if (charge_ma >= 3000) { gpio_set_level(GPIO_U42_P, 0); gpio_set_level(GPIO_U22_C, 0); } else { /* TODO(http://crosbug.com/p/65013352) */ CPRINTS("Current %dmA not supported", charge_ma); } } void board_set_charge_limit(int port, int supplier, int charge_ma, int max_ma, int charge_mv) { int p87w = 0, p65w = 0, p60w = 0; /* * Turn on/off power shortage alert. Performs the same check as * system_can_boot_ap(). It's repeated here because charge_manager * hasn't updated charge_current/voltage when board_set_charge_limit * is called. */ led_alert(charge_ma * charge_mv < CONFIG_CHARGER_MIN_POWER_MW_FOR_POWER_ON * 1000); /* * In terms of timing, this should always work because * HOOK_PRIO_CHARGE_MANAGER_INIT is notified after HOOK_PRIO_INIT_I2C. * If CBI isn't initialized or contains invalid data, we assume it's * a new board. */ if (0 < board_version && board_version < 0x0202) return set_charge_limit(charge_ma); /* * We have three FETs connected to three registers: PR257, PR258, * PR7824. These control the thresholds of the current monitoring * system. * * PR257 PR7824 PR258 * For BJ (65W or 90W) off off off * For 4.35A (87W) on off off * For 3.25A (65W) off off on * For 3.00A (60W) off on off * * The system power consumption is capped by PR259, which is stuffed * differently depending on the SKU (65W v.s. 90W or U42 v.s. U22). * So, we only need to monitor type-c adapters. For example: * * a 90W system powered by 65W type-c charger * b 65W system powered by 60W type-c charger * c 65W system powered by 87W type-c charger * * In a case such as (c), we actually do not need to monitor the current * because the max is capped by PR259. * * AP is expected to read type-c adapter wattage from EC and control * power consumption to avoid over-current or system browns out. * */ if (supplier != CHARGE_SUPPLIER_DEDICATED) { /* Apple 87W charger offers 4.3A @20V. */ if (charge_ma >= 4300) { p87w = 1; } else if (charge_ma >= 3250) { p65w = 1; } else if (charge_ma >= 3000) { p60w = 1; } else { /* * TODO:http://crosbug.com/p/65013352. * The current monitoring system doesn't support lower * current. These currents are most likely not enough to * power the system. However, if they're needed, EC can * monitor PMON_PSYS and trigger H_PROCHOT by itself. */ p60w = 1; CPRINTS("Current %dmA not supported", charge_ma); } } gpio_set_level(GPIO_TYPE_C_87W, p87w); gpio_set_level(GPIO_TYPE_C_65W, p65w); gpio_set_level(GPIO_TYPE_C_60W, p60w); } enum battery_present battery_is_present(void) { /* The GPIO is low when the battery is present */ return BP_NO; } int64_t get_time_dsw_pwrok(void) { /* DSW_PWROK is turned on before EC was powered. */ return -20 * MSEC; } const struct pwm_t pwm_channels[] = { [PWM_CH_LED_RED] = { 3, PWM_CONFIG_DSLEEP, 100 }, [PWM_CH_LED_GREEN] = { 5, PWM_CONFIG_DSLEEP, 100 }, [PWM_CH_FAN] = {4, PWM_CONFIG_OPEN_DRAIN, 25000}, }; BUILD_ASSERT(ARRAY_SIZE(pwm_channels) == PWM_CH_COUNT); struct fan_step { int on; int off; int rpm; }; static const struct fan_step *fan_table; /* Note: Do not make the fan on/off point equal to 0 or 100 */ static const struct fan_step fan_table0[] = { {.on = 0, .off = 1, .rpm = 0}, {.on = 36, .off = 1, .rpm = 2800}, {.on = 58, .off = 58, .rpm = 3200}, {.on = 66, .off = 61, .rpm = 3400}, {.on = 75, .off = 69, .rpm = 4200}, {.on = 81, .off = 76, .rpm = 4800}, {.on = 88, .off = 83, .rpm = 5200}, {.on = 98, .off = 91, .rpm = 5600}, }; static const struct fan_step fan_table1[] = { {.on = 0, .off = 1, .rpm = 0}, {.on = 36, .off = 1, .rpm = 2800}, {.on = 62, .off = 58, .rpm = 3200}, {.on = 68, .off = 63, .rpm = 3400}, {.on = 75, .off = 69, .rpm = 4200}, {.on = 81, .off = 76, .rpm = 4800}, {.on = 88, .off = 83, .rpm = 5200}, {.on = 98, .off = 91, .rpm = 5600}, }; static const struct fan_step fan_table2[] = { {.on = 0, .off = 1, .rpm = 0}, {.on = 36, .off = 1, .rpm = 2200}, {.on = 63, .off = 56, .rpm = 2900}, {.on = 69, .off = 65, .rpm = 3000}, {.on = 75, .off = 70, .rpm = 3300}, {.on = 80, .off = 76, .rpm = 3600}, {.on = 87, .off = 81, .rpm = 3900}, {.on = 98, .off = 91, .rpm = 5000}, }; /* All fan tables must have the same number of levels */ #define NUM_FAN_LEVELS ARRAY_SIZE(fan_table0) BUILD_ASSERT(ARRAY_SIZE(fan_table1) == NUM_FAN_LEVELS); BUILD_ASSERT(ARRAY_SIZE(fan_table2) == NUM_FAN_LEVELS); static void setup_fan(void) { /* Configure Fan */ switch (oem) { case OEM_KENCH: case OEM_TEEMO: case OEM_BLEEMO: default: fans[FAN_CH_0].rpm = &fan_rpm_1; fan_table = fan_table0; break; case OEM_SION: fans[FAN_CH_0].rpm = &fan_rpm_1; fan_table = fan_table1; break; case OEM_WUKONG_N: case OEM_WUKONG_A: case OEM_WUKONG_M: fans[FAN_CH_0].rpm = &fan_rpm_0; fan_table = fan_table2; break; case OEM_JAX: fan_set_count(0); break; } } static void cbi_init(void) { uint32_t val; if (cbi_get_board_version(&val) == EC_SUCCESS && val <= UINT16_MAX) board_version = val; CPRINTS("Board Version: 0x%04x", board_version); if (cbi_get_oem_id(&val) == EC_SUCCESS && val < OEM_COUNT) oem = val; CPRINTS("OEM: %d", oem); if (cbi_get_sku_id(&val) == EC_SUCCESS && val <= UINT8_MAX) sku = val; CPRINTS("SKU: 0x%02x", sku); setup_fan(); } DECLARE_HOOK(HOOK_INIT, cbi_init, HOOK_PRIO_INIT_I2C + 1); /* List of BJ adapters shipped with Fizz or its variants */ enum bj_adapter { BJ_65W_19V, BJ_90W_19V, BJ_65W_19P5V, BJ_90W_19P5V, }; /* BJ adapter specs */ static const struct charge_port_info bj_adapters[] = { [BJ_65W_19V] = { .current = 3420, .voltage = 19000 }, [BJ_90W_19V] = { .current = 4740, .voltage = 19000 }, [BJ_65W_19P5V] = { .current = 3330, .voltage = 19500 }, [BJ_90W_19P5V] = { .current = 4620, .voltage = 19500 }, }; /* * Bit masks to map SKU ID to BJ adapter wattage. 1:90W 0:65W * KBL-R i7 8550U 4 90 * KBL-R i5 8250U 5 90 * KBL-R i3 8130U 6 90 * KBL-U i7 7600 3 65 * KBL-U i5 7500 2 65 * KBL-U i3 7100 1 65 * KBL-U Celeron 3965 7 65 * KBL-U Celeron 3865 0 65 */ #define BJ_ADAPTER_90W_MASK (BIT(4) | BIT(5) | BIT(6)) static void setup_bj(void) { enum bj_adapter bj; switch (oem) { case OEM_KENCH: bj = (BJ_ADAPTER_90W_MASK & BIT(sku)) ? BJ_90W_19P5V : BJ_65W_19P5V; break; case OEM_TEEMO: case OEM_BLEEMO: case OEM_SION: case OEM_WUKONG_N: case OEM_WUKONG_A: case OEM_WUKONG_M: bj = (BJ_ADAPTER_90W_MASK & BIT(sku)) ? BJ_90W_19V : BJ_65W_19V; break; case OEM_JAX: bj = BJ_65W_19V; break; default: bj = (BJ_ADAPTER_90W_MASK & BIT(sku)) ? BJ_90W_19P5V : BJ_65W_19P5V; break; } charge_manager_update_charge(CHARGE_SUPPLIER_DEDICATED, DEDICATED_CHARGE_PORT, &bj_adapters[bj]); } /* * Since fizz has no battery, it must source all of its power from either * USB-C or the barrel jack (preferred). Fizz operates in continuous safe * mode (charge_manager_leave_safe_mode() will never be called), which * modifies port / ILIM selection as follows: * * - Dual-role / dedicated capability of the port partner is ignored. * - Charge ceiling on PD voltage transition is ignored. * - CHARGE_PORT_NONE will never be selected. */ static void board_charge_manager_init(void) { enum charge_port port; int i, j; /* Initialize all charge suppliers to 0 */ for (i = 0; i < CHARGE_PORT_COUNT; i++) { for (j = 0; j < CHARGE_SUPPLIER_COUNT; j++) charge_manager_update_charge(j, i, NULL); } port = gpio_get_level(GPIO_ADP_IN_L) ? CHARGE_PORT_TYPEC0 : CHARGE_PORT_BARRELJACK; CPRINTS("Power source is p%d (%s)", port, port == CHARGE_PORT_TYPEC0 ? "USB-C" : "BJ"); /* Initialize the power source supplier */ switch (port) { case CHARGE_PORT_TYPEC0: typec_set_input_current_limit(port, 3000, 5000); break; case CHARGE_PORT_BARRELJACK: setup_bj(); break; } } DECLARE_HOOK(HOOK_INIT, board_charge_manager_init, HOOK_PRIO_CHARGE_MANAGER_INIT + 1); static void board_init(void) { /* Provide AC status to the PCH */ board_extpower(); gpio_enable_interrupt(GPIO_USB_C0_VBUS_WAKE_L); } DECLARE_HOOK(HOOK_INIT, board_init, HOOK_PRIO_DEFAULT); int fan_percent_to_rpm(int fan, int pct) { static int current_level; static int previous_pct; int i; /* * Compare the pct and previous pct, we have the three paths : * 1. decreasing path. (check the off point) * 2. increasing path. (check the on point) * 3. invariant path. (return the current RPM) */ if (pct < previous_pct) { for (i = current_level; i >= 0; i--) { if (pct <= fan_table[i].off) current_level = i - 1; else break; } } else if (pct > previous_pct) { for (i = current_level + 1; i < NUM_FAN_LEVELS; i++) { if (pct >= fan_table[i].on) current_level = i; else break; } } if (current_level < 0) current_level = 0; previous_pct = pct; if (fan_table[current_level].rpm != fan_get_rpm_target(FAN_CH(fan))) cprints(CC_THERMAL, "Setting fan RPM to %d", fan_table[current_level].rpm); return fan_table[current_level].rpm; }