diff options
Diffstat (limited to 'board/reef_it8320/board.c')
| -rw-r--r-- | board/reef_it8320/board.c | 494 |
1 files changed, 0 insertions, 494 deletions
diff --git a/board/reef_it8320/board.c b/board/reef_it8320/board.c deleted file mode 100644 index 92fdc66806..0000000000 --- a/board/reef_it8320/board.c +++ /dev/null @@ -1,494 +0,0 @@ -/* 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. - */ - -/* reef_it8320 board-specific configuration */ - -#include "adc.h" -#include "button.h" -#include "charge_manager.h" -#include "charge_ramp.h" -#include "charge_state.h" -#include "charger.h" -#include "chipset.h" -#include "console.h" -#include "driver/charger/bd9995x.h" -#include "driver/tcpm/it83xx_pd.h" -#include "driver/tcpm/tcpm.h" -#include "driver/usb_mux/pi3usb3x532.h" -#include "extpower.h" -#include "gpio.h" -#include "hooks.h" -#include "host_command.h" -#include "i2c.h" -#include "intc.h" -#include "keyboard_scan.h" -#include "lid_angle.h" -#include "lid_switch.h" -#include "math_util.h" -#include "motion_sense.h" -#include "motion_lid.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 "tablet_mode.h" -#include "task.h" -#include "temp_sensor.h" -#include "temp_sensor/thermistor.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) - -#define IN_ALL_SYS_PG POWER_SIGNAL_MASK(X86_ALL_SYS_PG) -#define IN_PGOOD_PP3300 POWER_SIGNAL_MASK(X86_PGOOD_PP3300) -#define IN_PGOOD_PP5000 POWER_SIGNAL_MASK(X86_PGOOD_PP5000) - -#include "gpio_list.h" - -const struct adc_t adc_channels[] = { - /* Convert to mV (3000mV/1024). */ - {"CHARGER", 3000, 1024, 0, CHIP_ADC_CH1}, /* GPI1 */ - {"AMBIENT", 3000, 1024, 0, CHIP_ADC_CH2}, /* GPI2 */ - {"BRD_ID", 3000, 1024, 0, CHIP_ADC_CH3}, /* GPI3 */ -}; -BUILD_ASSERT(ARRAY_SIZE(adc_channels) == ADC_CH_COUNT); - -const struct i2c_port_t i2c_ports[] = { - {"mux", IT83XX_I2C_CH_C, 400, - GPIO_EC_I2C_C_SCL, GPIO_EC_I2C_C_SDA}, - {"batt", IT83XX_I2C_CH_E, 100, - GPIO_EC_I2C_E_SCL, GPIO_EC_I2C_E_SDA}, -}; -const unsigned int i2c_ports_used = ARRAY_SIZE(i2c_ports); - -const struct tcpc_config_t tcpc_config[CONFIG_USB_PD_PORT_MAX_COUNT] = { - { - .bus_type = EC_BUS_TYPE_EMBEDDED, - .drv = &it83xx_tcpm_drv - }, - { - .bus_type = EC_BUS_TYPE_EMBEDDED, - .drv = &it83xx_tcpm_drv - }, -}; - -void board_pd_vconn_ctrl(int port, enum usbpd_cc_pin cc_pin, int enabled) -{ - int cc1_enabled = 0, cc2_enabled = 0; - - if (cc_pin != USBPD_CC_PIN_1) - cc2_enabled = enabled; - else - cc1_enabled = enabled; - - if (port) { - gpio_set_level(GPIO_USB_C1_CC2_VCONN_EN, cc2_enabled); - gpio_set_level(GPIO_USB_C1_CC1_VCONN_EN, cc1_enabled); - } else { - gpio_set_level(GPIO_USB_C0_CC2_VCONN_EN, !cc2_enabled); - gpio_set_level(GPIO_USB_C0_CC1_VCONN_EN, !cc1_enabled); - } -} - -const enum gpio_signal hibernate_wake_pins[] = { - GPIO_AC_PRESENT, - GPIO_LID_OPEN, - GPIO_POWER_BUTTON_L, -}; - -const int hibernate_wake_pins_used = ARRAY_SIZE(hibernate_wake_pins); - -static void it83xx_tcpc_update_hpd_status(const struct usb_mux *me, - mux_state_t mux_state) -{ - int hpd_lvl = (mux_state & USB_PD_MUX_HPD_LVL) ? 1 : 0; - int hpd_irq = (mux_state & USB_PD_MUX_HPD_IRQ) ? 1 : 0; - enum gpio_signal gpio = - me->usb_port ? GPIO_USB_C1_HPD_1P8_ODL - : GPIO_USB_C0_HPD_1P8_ODL; - - hpd_lvl = !hpd_lvl; - - gpio_set_level(gpio, hpd_lvl); - if (hpd_irq) { - gpio_set_level(gpio, 1); - msleep(1); - gpio_set_level(gpio, hpd_lvl); - } -} - -const struct usb_mux usb_muxes[CONFIG_USB_PD_PORT_MAX_COUNT] = { - { - .usb_port = 0, - .i2c_port = I2C_PORT_USB_MUX, - .i2c_addr_flags = PI3USB3X532_I2C_ADDR0, - .driver = &pi3usb3x532_usb_mux_driver, - .hpd_update = &it83xx_tcpc_update_hpd_status, - }, - { - .usb_port = 1, - .i2c_port = I2C_PORT_USB_MUX, - .i2c_addr_flags = 0x10, - .driver = &ps8740_usb_mux_driver, - .hpd_update = &it83xx_tcpc_update_hpd_status, - }, -}; - -const int usb_port_enable[CONFIG_USB_PORT_POWER_SMART_PORT_COUNT] = { - GPIO_USB1_ENABLE, -}; - -const struct temp_sensor_t temp_sensors[] = { - [TEMP_SENSOR_BATTERY] = {.name = "Battery", - .type = TEMP_SENSOR_TYPE_BATTERY, - .read = charge_get_battery_temp, - .idx = 0}, - [TEMP_SENSOR_AMBIENT] = {.name = "Ambient", - .type = TEMP_SENSOR_TYPE_BOARD, - .read = get_temp_3v3_51k1_47k_4050b, - .idx = ADC_TEMP_SENSOR_AMB}, - [TEMP_SENSOR_CHARGER] = {.name = "Charger", - .type = TEMP_SENSOR_TYPE_BOARD, - .read = get_temp_3v3_13k7_47k_4050b, - .idx = ADC_TEMP_SENSOR_CHARGER}, -}; -BUILD_ASSERT(ARRAY_SIZE(temp_sensors) == TEMP_SENSOR_COUNT); - -const struct charger_config_t chg_chips[] = { - { - .i2c_port = I2C_PORT_CHARGER, - .i2c_addr_flags = BD9995X_ADDR_FLAGS, - .drv = &bd9995x_drv, - }, -}; - -/* Called by APL power state machine when transitioning from G3 to S5 */ -void chipset_pre_init_callback(void) -{ - /* - * No need to re-init PMIC since settings are sticky across sysjump. - * However, be sure to check that PMIC is already enabled. If it is - * then there's no need to re-sequence the PMIC. - */ - if (system_jumped_to_this_image() && gpio_get_level(GPIO_PMIC_EN)) - return; - - /* Enable PP5000 before PP3300 due to NFC: chrome-os-partner:50807 */ - gpio_set_level(GPIO_EN_PP5000, 1); - while (!gpio_get_level(GPIO_PP5000_PG)) - ; - - /* - * To prevent SLP glitches, PMIC_EN (V5A_EN) should be enabled - * at the same time as PP3300 (chrome-os-partner:51323). - */ - /* Enable 3.3V rail */ - gpio_set_level(GPIO_EN_PP3300, 1); - while (!gpio_get_level(GPIO_PP3300_PG)) - ; - - /* Enable PMIC */ - gpio_set_level(GPIO_PMIC_EN, 1); -} - -static void board_set_tablet_mode(void) -{ - /* - * Always report device isn't in tablet mode because - * our id is clamshell and no TABLET_MODE_L pin - */ - tablet_set_mode(0, TABLET_TRIGGER_LID); -} - -/* Initialize board. */ -static void board_init(void) -{ - board_set_tablet_mode(); - /* Enable charger interrupts */ - gpio_enable_interrupt(GPIO_CHARGER_INT_L); - - /* - * Initialize HPD to low; after sysjump SOC needs to see - * HPD pulse to enable video path - */ - for (int port = 0; port < CONFIG_USB_PD_PORT_MAX_COUNT; ++port) - usb_mux_hpd_update(port, USB_PD_MUX_HPD_LVL_DEASSERTED | - USB_PD_MUX_HPD_IRQ_DEASSERTED); -} -DECLARE_HOOK(HOOK_INIT, board_init, HOOK_PRIO_INIT_I2C + 1); - -int pd_snk_is_vbus_provided(int port) -{ - if (port != 0 && port != 1) - panic("Invalid charge port\n"); - - return bd9995x_is_vbus_provided(port); -} - -/** - * Set active charge port -- only one port can be active at a time. - * - * @param charge_port Charge port to enable. - * - * Returns EC_SUCCESS if charge port is accepted and made active, - * EC_ERROR_* otherwise. - */ -int board_set_active_charge_port(int charge_port) -{ - enum bd9995x_charge_port bd9995x_port = 0; - int bd9995x_port_select = 1; - - switch (charge_port) { - case 0: - case 1: - /* Don't charge from a source port */ - if (board_vbus_source_enabled(charge_port)) - return -1; - - bd9995x_port = charge_port; - break; - case CHARGE_PORT_NONE: - bd9995x_port_select = 0; - bd9995x_port = BD9995X_CHARGE_PORT_BOTH; - - /* - * To avoid inrush current from the external charger, enable - * discharge on AC till the new charger is detected and - * charge detect delay has passed. - */ - if (charge_get_percent() > 2) - charger_discharge_on_ac(1); - break; - default: - panic("Invalid charge port\n"); - break; - } - - CPRINTS("New chg p%d", charge_port); - - return bd9995x_select_input_port(bd9995x_port, bd9995x_port_select); -} - -/** - * Set the charge limit based upon desired maximum. - * - * @param port Port number. - * @param supplier Charge supplier type. - * @param charge_ma Desired charge limit (mA). - * @param charge_mv Negotiated charge voltage (mV). - */ -void board_set_charge_limit(int port, int supplier, int charge_ma, - int max_ma, int charge_mv) -{ - /* Enable charging trigger by BC1.2 detection */ - int bc12_enable = (supplier == CHARGE_SUPPLIER_BC12_CDP || - supplier == CHARGE_SUPPLIER_BC12_DCP || - supplier == CHARGE_SUPPLIER_BC12_SDP || - supplier == CHARGE_SUPPLIER_OTHER); - - if (bd9995x_bc12_enable_charging(port, bc12_enable)) - return; - - charge_ma = (charge_ma * 95) / 100; - charge_set_input_current_limit(MAX(charge_ma, - CONFIG_CHARGER_INPUT_CURRENT), charge_mv); -} - -/** - * Return if VBUS is sagging too low - */ -int board_is_vbus_too_low(int port, enum chg_ramp_vbus_state ramp_state) -{ - int voltage; - - if (charger_get_vbus_voltage(port, &voltage)) - voltage = 0; - - return voltage < BD9995X_BC12_MIN_VOLTAGE; -} - -/* Called on AP S5 -> S3 transition */ -static void board_chipset_startup(void) -{ - /* Enable USB-A port. */ - gpio_set_level(GPIO_USB1_ENABLE, 1); - - /* Enable Trackpad */ - gpio_set_level(GPIO_EN_P3300_TRACKPAD_ODL, 0); -} -DECLARE_HOOK(HOOK_CHIPSET_STARTUP, board_chipset_startup, HOOK_PRIO_DEFAULT); - -/* Called on AP S3 -> S5 transition */ -static void board_chipset_shutdown(void) -{ - /* Disable USB-A port. */ - gpio_set_level(GPIO_USB1_ENABLE, 0); - - /* Disable Trackpad */ - gpio_set_level(GPIO_EN_P3300_TRACKPAD_ODL, 1); - - /* FIXME(dhendrix): Drive USB_PD_RST_ODL low to prevent - * leakage? (see comment in schematic) - */ -} -DECLARE_HOOK(HOOK_CHIPSET_SHUTDOWN, board_chipset_shutdown, HOOK_PRIO_DEFAULT); - -/* FIXME(dhendrix): Add CHIPSET_RESUME and CHIPSET_SUSPEND - * hooks to enable/disable sensors? - */ -/* Called on AP S3 -> S0 transition */ -static void board_chipset_resume(void) -{ - gpio_set_level(GPIO_ENABLE_BACKLIGHT, 1); -} -DECLARE_HOOK(HOOK_CHIPSET_RESUME, board_chipset_resume, HOOK_PRIO_DEFAULT); - -/* Called on AP S0 -> S3 transition */ -static void board_chipset_suspend(void) -{ - gpio_set_level(GPIO_ENABLE_BACKLIGHT, 0); -} -DECLARE_HOOK(HOOK_CHIPSET_SUSPEND, board_chipset_suspend, HOOK_PRIO_DEFAULT); - -/* - * FIXME(dhendrix): Weak symbol hack until we can get a better solution for - * both Amenia and Reef. - */ -void chipset_do_shutdown(void) -{ - /* Disable PMIC */ - gpio_set_level(GPIO_PMIC_EN, 0); - - /*Disable 3.3V rail */ - gpio_set_level(GPIO_EN_PP3300, 0); - while (gpio_get_level(GPIO_PP3300_PG)) - ; - - /*Disable 5V rail */ - gpio_set_level(GPIO_EN_PP5000, 0); - while (gpio_get_level(GPIO_PP5000_PG)) - ; -} - -void board_hibernate_late(void) -{ - int i; - const uint32_t hibernate_pins[][2] = { - /* Turn off LEDs in hibernate */ - {GPIO_BAT_LED_BLUE, GPIO_INPUT | GPIO_PULL_UP}, - {GPIO_BAT_LED_AMBER, GPIO_INPUT | GPIO_PULL_UP}, - {GPIO_LID_OPEN, GPIO_INT_RISING | GPIO_PULL_DOWN}, - - /* - * BD99956 handles charge input automatically. We'll disable - * charge output in hibernate. Charger will assert ACOK_OD - * when VBUS or VCC are plugged in. - */ - {GPIO_USB_C0_5V_EN, GPIO_INPUT | GPIO_PULL_DOWN}, - {GPIO_USB_C1_5V_EN, GPIO_INPUT | GPIO_PULL_DOWN}, - }; - - /* Change GPIOs' state in hibernate for better power consumption */ - for (i = 0; i < ARRAY_SIZE(hibernate_pins); ++i) - gpio_set_flags(hibernate_pins[i][0], hibernate_pins[i][1]); -} - -void board_hibernate(void) -{ - /* - * To support hibernate called from console commands, ectool commands - * and key sequence, shutdown the AP before hibernating. - */ - chipset_do_shutdown(); - - /* Added delay to allow AP to settle down */ - msleep(100); - - /* Enable both the VBUS & VCC ports before entering PG3 */ - bd9995x_select_input_port(BD9995X_CHARGE_PORT_BOTH, 1); - - /* Turn BGATE OFF for saving the power */ - bd9995x_set_power_save_mode(BD9995X_PWR_SAVE_MAX); -} - -struct { - enum reef_it8320_board_version version; - int thresh_mv; -} const reef_it8320_board_versions[] = { - /* Vin = 3.3V, R1 = 46.4K, R2 values listed below */ - { BOARD_VERSION_1, 328 * 1.03 }, /* 5.11 Kohm */ - { BOARD_VERSION_2, 670 * 1.03 }, /* 11.8 Kohm */ - { BOARD_VERSION_3, 1012 * 1.03 }, /* 20.5 Kohm */ - { BOARD_VERSION_4, 1357 * 1.03 }, /* 32.4 Kohm */ - { BOARD_VERSION_5, 1690 * 1.03 }, /* 48.7 Kohm */ - { BOARD_VERSION_6, 2020 * 1.03 }, /* 73.2 Kohm */ - { BOARD_VERSION_7, 2352 * 1.03 }, /* 115 Kohm */ - { BOARD_VERSION_8, 2802 * 1.03 }, /* 261 Kohm */ -}; -BUILD_ASSERT(ARRAY_SIZE(reef_it8320_board_versions) == BOARD_VERSION_COUNT); - -int board_get_version(void) -{ - static int version = BOARD_VERSION_UNKNOWN; - int mv, i; - - if (version != BOARD_VERSION_UNKNOWN) - return version; - - /* FIXME(dhendrix): enable ADC */ - gpio_set_flags(GPIO_EC_BRD_ID_EN_ODL, GPIO_ODR_HIGH); - gpio_set_level(GPIO_EC_BRD_ID_EN_ODL, 0); - /* Wait to allow cap charge */ - msleep(1); - mv = adc_read_channel(ADC_BOARD_ID); - /* FIXME(dhendrix): disable ADC */ - gpio_set_level(GPIO_EC_BRD_ID_EN_ODL, 1); - gpio_set_flags(GPIO_EC_BRD_ID_EN_ODL, GPIO_INPUT); - - if (mv == ADC_READ_ERROR) { - version = BOARD_VERSION_UNKNOWN; - return version; - } - - for (i = 0; i < BOARD_VERSION_COUNT; i++) { - if (mv < reef_it8320_board_versions[i].thresh_mv) { - version = reef_it8320_board_versions[i].version; - break; - } - } - - CPRINTS("Board version: %d", version); - return version; -} - -/* Keyboard scan setting */ -__override struct keyboard_scan_config keyscan_config = { - /* - * F3 key scan cycle completed but scan input is not - * charging to logic high when EC start scan next - * column for "T" key, so we set .output_settle_us - * to 80us from 50us. - */ - .output_settle_us = 80, - .debounce_down_us = 9 * MSEC, - .debounce_up_us = 30 * MSEC, - .scan_period_us = 3 * MSEC, - .min_post_scan_delay_us = 1000, - .poll_timeout_us = 100 * MSEC, - .actual_key_mask = { - 0x14, 0xff, 0xff, 0xff, 0xff, 0xf5, 0xff, - 0xa4, 0xff, 0xfe, 0x55, 0xfa, 0xca /* full set */ - }, -}; |