diff options
Diffstat (limited to 'baseboard/zork/baseboard.c')
| -rw-r--r-- | baseboard/zork/baseboard.c | 602 |
1 files changed, 602 insertions, 0 deletions
diff --git a/baseboard/zork/baseboard.c b/baseboard/zork/baseboard.c new file mode 100644 index 0000000000..36786ce34d --- /dev/null +++ b/baseboard/zork/baseboard.c @@ -0,0 +1,602 @@ +/* Copyright 2019 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. + */ + +/* Zork family-specific configuration */ + +#include "adc.h" +#include "adc_chip.h" +#include "button.h" +#include "charge_manager.h" +#include "charge_state.h" +#include "charge_state_v2.h" +#include "common.h" +#include "compile_time_macros.h" +#include "console.h" +#include "cros_board_info.h" +#include "driver/accel_kionix.h" +#include "driver/accel_kx022.h" +#include "driver/accelgyro_bmi160.h" +#include "driver/bc12/max14637.h" +#include "driver/ppc/sn5s330.h" +#include "driver/tcpm/anx74xx.h" +#include "driver/tcpm/ps8xxx.h" +#include "driver/temp_sensor/sb_tsi.h" +#include "ec_commands.h" +#include "extpower.h" +#include "gpio.h" +#include "hooks.h" +#include "i2c.h" +#include "keyboard_scan.h" +#include "lid_switch.h" +#include "motion_sense.h" +#include "power.h" +#include "power_button.h" +#include "registers.h" +#include "switch.h" +#include "system.h" +#include "task.h" +#include "tcpci.h" +#include "temp_sensor.h" +#include "thermistor.h" +#include "usb_mux.h" +#include "usb_pd.h" +#include "usb_pd_tcpm.h" +#include "usbc_ppc.h" +#include "util.h" + +#define CPRINTS(format, args...) cprints(CC_USBCHARGE, format, ## args) +#define CPRINTF(format, args...) cprintf(CC_USBCHARGE, format, ## args) + +const enum gpio_signal hibernate_wake_pins[] = { + GPIO_LID_OPEN, + GPIO_AC_PRESENT, + GPIO_POWER_BUTTON_L, +}; +const int hibernate_wake_pins_used = ARRAY_SIZE(hibernate_wake_pins); + +const struct adc_t adc_channels[] = { + [ADC_TEMP_SENSOR_CHARGER] = { + "CHARGER", NPCX_ADC_CH0, ADC_MAX_VOLT, ADC_READ_MAX+1, 0 + }, + [ADC_TEMP_SENSOR_SOC] = { + "SOC", NPCX_ADC_CH1, ADC_MAX_VOLT, ADC_READ_MAX+1, 0 + }, + [ADC_VBUS] = { + "VBUS", NPCX_ADC_CH8, ADC_MAX_VOLT*10, ADC_READ_MAX+1, 0 + }, + [ADC_SKU_ID1] = { + "SKU1", NPCX_ADC_CH9, ADC_MAX_VOLT, ADC_READ_MAX+1, 0 + }, + [ADC_SKU_ID2] = { + "SKU2", NPCX_ADC_CH4, ADC_MAX_VOLT, ADC_READ_MAX+1, 0 + }, +}; +BUILD_ASSERT(ARRAY_SIZE(adc_channels) == ADC_CH_COUNT); + +/* Power signal list. Must match order of enum power_signal. */ +const struct power_signal_info power_signal_list[] = { + {GPIO_PCH_SLP_S3_L, POWER_SIGNAL_ACTIVE_HIGH, "SLP_S3_DEASSERTED"}, + {GPIO_PCH_SLP_S5_L, POWER_SIGNAL_ACTIVE_HIGH, "SLP_S5_DEASSERTED"}, + {GPIO_S0_PGOOD, POWER_SIGNAL_ACTIVE_HIGH, "S0_PGOOD"}, + {GPIO_S5_PGOOD, POWER_SIGNAL_ACTIVE_HIGH, "S5_PGOOD"}, +}; +BUILD_ASSERT(ARRAY_SIZE(power_signal_list) == POWER_SIGNAL_COUNT); + +const struct tcpc_config_t tcpc_config[CONFIG_USB_PD_PORT_COUNT] = { + [USB_PD_PORT_ANX74XX] = { + .i2c_host_port = I2C_PORT_TCPC0, + .i2c_slave_addr = ANX74XX_I2C_ADDR1, + .drv = &anx74xx_tcpm_drv, + /* Alert is active-low, open-drain */ + .flags = TCPC_FLAGS_ALERT_OD, + }, + [USB_PD_PORT_PS8751] = { + .i2c_host_port = I2C_PORT_TCPC1, + .i2c_slave_addr = PS8751_I2C_ADDR1, + .drv = &ps8xxx_tcpm_drv, + /* Alert is active-low, push-pull */ + .flags = 0, + }, +}; + +void tcpc_alert_event(enum gpio_signal signal) +{ + int port = -1; + + switch (signal) { + case GPIO_USB_C0_PD_INT_ODL: + port = 0; + break; + case GPIO_USB_C1_PD_INT_ODL: + port = 1; + break; + default: + return; + } + + schedule_deferred_pd_interrupt(port); +} + +struct usb_mux usb_muxes[CONFIG_USB_PD_PORT_COUNT] = { + [USB_PD_PORT_ANX74XX] = { + .driver = &anx74xx_tcpm_usb_mux_driver, + .hpd_update = &anx74xx_tcpc_update_hpd_status, + }, + [USB_PD_PORT_PS8751] = { + .driver = &tcpci_tcpm_usb_mux_driver, + .hpd_update = &ps8xxx_tcpc_update_hpd_status, + /* TODO(ecgh): ps8751_tune_mux needed? */ + } +}; + +struct ppc_config_t ppc_chips[] = { + { + .i2c_port = I2C_PORT_TCPC0, + .i2c_addr = SN5S330_ADDR0, + .drv = &sn5s330_drv + }, + { + .i2c_port = I2C_PORT_TCPC1, + .i2c_addr = SN5S330_ADDR0, + .drv = &sn5s330_drv + }, +}; +unsigned int ppc_cnt = ARRAY_SIZE(ppc_chips); + +int ppc_get_alert_status(int port) +{ + if (port == 0) + return gpio_get_level(GPIO_USB_C0_SWCTL_INT_ODL) == 0; + else + return gpio_get_level(GPIO_USB_C1_SWCTL_INT_ODL) == 0; +} + + +/* BC 1.2 chip Configuration */ +const struct max14637_config_t max14637_config[CONFIG_USB_PD_PORT_COUNT] = { + [USB_PD_PORT_ANX74XX] = { + .chip_enable_pin = GPIO_USB_C0_BC12_VBUS_ON_L, + .chg_det_pin = GPIO_USB_C0_BC12_CHG_DET, + .flags = MAX14637_FLAGS_ENABLE_ACTIVE_LOW, + }, + [USB_PD_PORT_PS8751] = { + .chip_enable_pin = GPIO_USB_C1_BC12_VBUS_ON_L, + .chg_det_pin = GPIO_USB_C1_BC12_CHG_DET, + .flags = MAX14637_FLAGS_ENABLE_ACTIVE_LOW, + }, +}; + +const int usb_port_enable[USB_PORT_COUNT] = { + GPIO_EN_USB_A0_5V, + GPIO_EN_USB_A1_5V, +}; + +static void baseboard_chipset_suspend(void) +{ + /* + * Turn off display backlight. This ensures that the backlight stays off + * in S3, no matter what the AP has it set to. The AP also controls it. + * This is here more for legacy reasons. + */ + gpio_set_level(GPIO_ENABLE_BACKLIGHT_L, 1); +} +DECLARE_HOOK(HOOK_CHIPSET_SUSPEND, baseboard_chipset_suspend, + HOOK_PRIO_DEFAULT); + +static void baseboard_chipset_resume(void) +{ + /* Allow display backlight to turn on. See above backlight comment */ + gpio_set_level(GPIO_ENABLE_BACKLIGHT_L, 0); + +} +DECLARE_HOOK(HOOK_CHIPSET_RESUME, baseboard_chipset_resume, HOOK_PRIO_DEFAULT); + +static void baseboard_chipset_startup(void) +{ + /* + * Enable sensor power (lid accel, gyro) in S3 for calculating the lid + * angle (needed on convertibles to disable resume from keyboard in + * tablet mode). + */ + gpio_set_level(GPIO_EN_PP1800_SENSOR, 1); +} +DECLARE_HOOK(HOOK_CHIPSET_STARTUP, baseboard_chipset_startup, + HOOK_PRIO_DEFAULT); + +static void baseboard_chipset_shutdown(void) +{ + /* Disable sensor power (lid accel, gyro) in S5. */ + gpio_set_level(GPIO_EN_PP1800_SENSOR, 0); +} +DECLARE_HOOK(HOOK_CHIPSET_SHUTDOWN, baseboard_chipset_shutdown, + HOOK_PRIO_DEFAULT); + +int board_is_i2c_port_powered(int port) +{ + if (port != I2C_PORT_SENSOR) + return 1; + + /* Sensor power (lid accel, gyro) is off in S5 (and G3). */ + return chipset_in_state(CHIPSET_STATE_ANY_OFF) ? 0 : 1; +} + +int board_set_active_charge_port(int port) +{ + int i; + + CPRINTS("New chg p%d", port); + + if (port == CHARGE_PORT_NONE) { + /* Disable all ports. */ + for (i = 0; i < ppc_cnt; i++) { + if (ppc_vbus_sink_enable(i, 0)) + CPRINTS("p%d: sink disable failed.", i); + } + + return EC_SUCCESS; + } + + /* Check if the port is sourcing VBUS. */ + if (ppc_is_sourcing_vbus(port)) { + CPRINTF("Skip enable p%d", port); + return EC_ERROR_INVAL; + } + + /* + * Turn off the other ports' sink path FETs, before enabling the + * requested charge port. + */ + for (i = 0; i < ppc_cnt; i++) { + if (i == port) + continue; + + if (ppc_vbus_sink_enable(i, 0)) + CPRINTS("p%d: sink disable failed.", i); + } + + /* Enable requested charge port. */ + if (ppc_vbus_sink_enable(port, 1)) { + CPRINTS("p%d: sink enable failed."); + return EC_ERROR_UNKNOWN; + } + + return EC_SUCCESS; +} + +void board_set_charge_limit(int port, int supplier, int charge_ma, + int max_ma, int charge_mv) +{ + /* + * Limit the input current to 95% negotiated limit, + * to account for the charger chip margin. + */ + charge_ma = charge_ma * 95 / 100; + charge_set_input_current_limit(MAX(charge_ma, + CONFIG_CHARGER_INPUT_CURRENT), + charge_mv); +} + +/* Keyboard scan setting */ +struct keyboard_scan_config keyscan_config = { + /* Extra delay when KSO2 is tied to Cr50. */ + .output_settle_us = 60, + .debounce_down_us = 6 * MSEC, + .debounce_up_us = 30 * MSEC, + .scan_period_us = 1500, + .min_post_scan_delay_us = 1000, + .poll_timeout_us = SECOND, + .actual_key_mask = { + 0x3c, 0xff, 0xff, 0xff, 0xff, 0xf5, 0xff, + 0xa4, 0xff, 0xfe, 0x55, 0xfa, 0xca /* full set */ + }, +}; + +/* + * We use 11 as the scaling factor so that the maximum mV value below (2761) + * can be compressed to fit in a uint8_t. + */ +#define THERMISTOR_SCALING_FACTOR 11 + +/* + * Values are calculated from the "Resistance VS. Temperature" table on the + * Murata page for part NCP15WB473F03RC. Vdd=3.3V, R=30.9Kohm. + */ +static const struct thermistor_data_pair thermistor_data[] = { + { 2761 / THERMISTOR_SCALING_FACTOR, 0}, + { 2492 / THERMISTOR_SCALING_FACTOR, 10}, + { 2167 / THERMISTOR_SCALING_FACTOR, 20}, + { 1812 / THERMISTOR_SCALING_FACTOR, 30}, + { 1462 / THERMISTOR_SCALING_FACTOR, 40}, + { 1146 / THERMISTOR_SCALING_FACTOR, 50}, + { 878 / THERMISTOR_SCALING_FACTOR, 60}, + { 665 / THERMISTOR_SCALING_FACTOR, 70}, + { 500 / THERMISTOR_SCALING_FACTOR, 80}, + { 434 / THERMISTOR_SCALING_FACTOR, 85}, + { 376 / THERMISTOR_SCALING_FACTOR, 90}, + { 326 / THERMISTOR_SCALING_FACTOR, 95}, + { 283 / THERMISTOR_SCALING_FACTOR, 100} +}; + +static const struct thermistor_info thermistor_info = { + .scaling_factor = THERMISTOR_SCALING_FACTOR, + .num_pairs = ARRAY_SIZE(thermistor_data), + .data = thermistor_data, +}; + +static int board_get_temp(int idx, int *temp_k) +{ + /* idx is the sensor index set below in temp_sensors[] */ + int mv = adc_read_channel( + idx ? ADC_TEMP_SENSOR_SOC : ADC_TEMP_SENSOR_CHARGER); + int temp_c; + + if (mv < 0) + return -1; + + temp_c = thermistor_linear_interpolate(mv, &thermistor_info); + *temp_k = C_TO_K(temp_c); + return 0; +} + +const struct temp_sensor_t temp_sensors[] = { + {"Charger", TEMP_SENSOR_TYPE_BOARD, board_get_temp, 0, 1}, + {"SOC", TEMP_SENSOR_TYPE_BOARD, board_get_temp, 1, 5}, + {"CPU", TEMP_SENSOR_TYPE_CPU, sb_tsi_get_val, 0, 4}, +}; +BUILD_ASSERT(ARRAY_SIZE(temp_sensors) == TEMP_SENSOR_COUNT); + +#ifdef HAS_TASK_MOTIONSENSE + +/* Motion sensors */ +static struct mutex g_lid_mutex; +static struct mutex g_base_mutex; + +mat33_fp_t zork_base_standard_ref = { + { FLOAT_TO_FP(1), 0, 0}, + { 0, FLOAT_TO_FP(1), 0}, + { 0, 0, FLOAT_TO_FP(1)} +}; + +mat33_fp_t lid_standard_ref = { + { FLOAT_TO_FP(1), 0, 0}, + { 0, FLOAT_TO_FP(1), 0}, + { 0, 0, FLOAT_TO_FP(1)} +}; + +/* sensor private data */ +static struct kionix_accel_data g_kx022_data; +static struct bmi160_drv_data_t g_bmi160_data; + +/* TODO(gcc >= 5.0) Remove the casts to const pointer at rot_standard_ref */ +struct motion_sensor_t motion_sensors[] = { + [LID_ACCEL] = { + .name = "Lid Accel", + .active_mask = SENSOR_ACTIVE_S0_S3, + .chip = MOTIONSENSE_CHIP_KX022, + .type = MOTIONSENSE_TYPE_ACCEL, + .location = MOTIONSENSE_LOC_LID, + .drv = &kionix_accel_drv, + .mutex = &g_lid_mutex, + .drv_data = &g_kx022_data, + .port = I2C_PORT_SENSOR, + .addr = KX022_ADDR1, + .rot_standard_ref = (const mat33_fp_t *)&lid_standard_ref, + .default_range = 2, /* g, enough for laptop. */ + .min_frequency = KX022_ACCEL_MIN_FREQ, + .max_frequency = KX022_ACCEL_MAX_FREQ, + .config = { + /* EC use accel for angle detection */ + [SENSOR_CONFIG_EC_S0] = { + .odr = 10000 | ROUND_UP_FLAG, + .ec_rate = 100, + }, + /* EC use accel for angle detection */ + [SENSOR_CONFIG_EC_S3] = { + .odr = 10000 | ROUND_UP_FLAG, + }, + }, + }, + + [BASE_ACCEL] = { + .name = "Base Accel", + .active_mask = SENSOR_ACTIVE_S0_S3, + .chip = MOTIONSENSE_CHIP_BMI160, + .type = MOTIONSENSE_TYPE_ACCEL, + .location = MOTIONSENSE_LOC_BASE, + .drv = &bmi160_drv, + .mutex = &g_base_mutex, + .drv_data = &g_bmi160_data, + .port = I2C_PORT_SENSOR, + .addr = BMI160_ADDR0, + .default_range = 2, /* g, enough for laptop */ + .rot_standard_ref = (const mat33_fp_t *)&zork_base_standard_ref, + .min_frequency = BMI160_ACCEL_MIN_FREQ, + .max_frequency = BMI160_ACCEL_MAX_FREQ, + .config = { + /* EC use accel for angle detection */ + [SENSOR_CONFIG_EC_S0] = { + .odr = 10000 | ROUND_UP_FLAG, + .ec_rate = 100, + }, + /* EC use accel for angle detection */ + [SENSOR_CONFIG_EC_S3] = { + .odr = 10000 | ROUND_UP_FLAG, + }, + }, + }, + + [BASE_GYRO] = { + .name = "Base Gyro", + .active_mask = SENSOR_ACTIVE_S0_S3, + .chip = MOTIONSENSE_CHIP_BMI160, + .type = MOTIONSENSE_TYPE_GYRO, + .location = MOTIONSENSE_LOC_BASE, + .drv = &bmi160_drv, + .mutex = &g_base_mutex, + .drv_data = &g_bmi160_data, + .port = I2C_PORT_SENSOR, + .addr = BMI160_ADDR0, + .default_range = 1000, /* dps */ + .rot_standard_ref = (const mat33_fp_t *)&zork_base_standard_ref, + .min_frequency = BMI160_GYRO_MIN_FREQ, + .max_frequency = BMI160_GYRO_MAX_FREQ, + }, +}; + +unsigned int motion_sensor_count = ARRAY_SIZE(motion_sensors); + +#endif /* HAS_TASK_MOTIONSENSE */ + +#ifndef TEST_BUILD +void lid_angle_peripheral_enable(int enable) +{ + if (board_is_convertible()) + keyboard_scan_enable(enable, KB_SCAN_DISABLE_LID_ANGLE); +} +#endif + +static const int sku_thresh_mv[] = { + /* Vin = 3.3V, Ideal voltage, R2 values listed below */ + /* R1 = 51.1 kOhm */ + 200, /* 124 mV, 2.0 Kohm */ + 366, /* 278 mV, 4.7 Kohm */ + 550, /* 456 mV, 8.2 Kohm */ + 752, /* 644 mV, 12.4 Kohm */ + 927, /* 860 mV, 18.0 Kohm */ + 1073, /* 993 mV, 22.0 Kohm */ + 1235, /* 1152 mV, 27.4 Kohm */ + 1386, /* 1318 mV, 34.0 Kohm */ + 1552, /* 1453 mV, 40.2 Kohm */ + /* R1 = 10.0 kOhm */ + 1739, /* 1650 mV, 10.0 Kohm */ + 1976, /* 1827 mV, 12.4 Kohm */ + 2197, /* 2121 mV, 18.0 Kohm */ + 2344, /* 2269 mV, 22.0 Kohm */ + 2484, /* 2418 mV, 27.4 Kohm */ + 2636, /* 2550 mV, 34.0 Kohm */ + 2823, /* 2721 mV, 47.0 Kohm */ +}; + +static int board_read_sku_adc(enum adc_channel chan) +{ + int mv; + int i; + + mv = adc_read_channel(chan); + + if (mv == ADC_READ_ERROR) + return -1; + + for (i = 0; i < ARRAY_SIZE(sku_thresh_mv); i++) + if (mv < sku_thresh_mv[i]) + return i; + + return -1; +} + +static uint32_t board_get_adc_sku_id(void) +{ + int sku_id1, sku_id2; + + sku_id1 = board_read_sku_adc(ADC_SKU_ID1); + sku_id2 = board_read_sku_adc(ADC_SKU_ID2); + + if (sku_id1 < 0 || sku_id2 < 0) + return 0; + + return (sku_id2 << 4) | sku_id1; +} + +static int board_get_gpio_board_version(void) +{ + return + (!!gpio_get_level(GPIO_BOARD_VERSION1) << 0) | + (!!gpio_get_level(GPIO_BOARD_VERSION2) << 1) | + (!!gpio_get_level(GPIO_BOARD_VERSION3) << 2); +} + +static int board_version; +static uint32_t sku_id; + +static void cbi_init(void) +{ + board_version = board_get_gpio_board_version(); + sku_id = board_get_adc_sku_id(); + + /* + * Use board version and SKU ID from CBI EEPROM if the board supports + * it and the SKU ID set via resistors + ADC is not valid. + */ +#ifdef CONFIG_CROS_BOARD_INFO + if (sku_id == 0 || sku_id == 0xff) { + uint32_t val; + + if (cbi_get_board_version(&val) == EC_SUCCESS) + board_version = val; + if (cbi_get_sku_id(&val) == EC_SUCCESS) + sku_id = val; + } +#endif + +#ifdef HAS_TASK_MOTIONSENSE + board_update_sensor_config_from_sku(); +#endif + + ccprints("Board Version: %d (0x%x)", board_version, board_version); + ccprints("SKU: %d (0x%x)", sku_id, sku_id); +} +/* + * Reading the SKU resistors requires the ADC module. If we are using EEPROM + * then we also need the I2C module, but that is available before ADC. + */ +DECLARE_HOOK(HOOK_INIT, cbi_init, HOOK_PRIO_INIT_ADC + 1); + +uint32_t system_get_sku_id(void) +{ + return sku_id; +} + +int board_get_version(void) +{ + return board_version; +} + +/* + * Returns 1 for boards that are convertible into tablet mode, and zero for + * clamshells. + */ +int board_is_convertible(void) +{ + /* TODO: Add convertible SKU values */ + return 0; +} + +int board_is_lid_angle_tablet_mode(void) +{ + return board_is_convertible(); +} + +uint32_t board_override_feature_flags0(uint32_t flags0) +{ + return flags0; +} + +uint32_t board_override_feature_flags1(uint32_t flags1) +{ + return flags1; +} + +void board_hibernate(void) +{ + /* + * Some versions of some boards keep the port 0 PPC powered on while + * the EC hibernates (so Closed Case Debugging keeps working). + * Make sure the source FET is off and turn on the sink FET, so that + * plugging in AC will wake the EC. This matches the dead-battery + * behavior of the powered off PPC. + */ + ppc_vbus_source_enable(0, 0); + ppc_vbus_sink_enable(0, 1); +} |