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author | Eric Yilun Lin <yllin@chromium.org> | 2021-04-20 15:32:37 +0800 |
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committer | Commit Bot <commit-bot@chromium.org> | 2021-04-21 03:55:47 +0000 |
commit | 1eb4fcc824a54ab9b1f538fb8c4e97e6add89933 (patch) | |
tree | 12be5eaf0c00a797345077562d60e678afc3b324 /baseboard/goroh/baseboard.c | |
parent | ad7fc27d908a310f548fb7ab111a10876770ebbe (diff) | |
download | chrome-ec-1eb4fcc824a54ab9b1f538fb8c4e97e6add89933.tar.gz |
goroh: initial commit
copied from asurada with proper fixes:
1. rename asurada/hayato to goroh
2. change the year to 2021 in copyright notice
BUG=b:185846337
TEST=make BOARD=goroh
BRANCH=none
Change-Id: Ifd66e5b16c5dd463dd9ad215f25a7a1ea1265495
Signed-off-by: Eric Yilun Lin <yllin@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2839384
Tested-by: Eric Yilun Lin <yllin@google.com>
Auto-Submit: Eric Yilun Lin <yllin@google.com>
Reviewed-by: Ting Shen <phoenixshen@chromium.org>
Commit-Queue: Ting Shen <phoenixshen@chromium.org>
Diffstat (limited to 'baseboard/goroh/baseboard.c')
-rw-r--r-- | baseboard/goroh/baseboard.c | 602 |
1 files changed, 602 insertions, 0 deletions
diff --git a/baseboard/goroh/baseboard.c b/baseboard/goroh/baseboard.c new file mode 100644 index 0000000000..fb0731d7d7 --- /dev/null +++ b/baseboard/goroh/baseboard.c @@ -0,0 +1,602 @@ +/* Copyright 2021 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. + */ + +/* Goroh baseboard-specific configuration */ + +#include "adc.h" +#include "adc_chip.h" +#include "button.h" +#include "charge_manager.h" +#include "charger.h" +#include "charger.h" +#include "charge_state.h" +#include "charge_state_v2.h" +#include "chipset.h" +#include "common.h" +#include "console.h" +#include "driver/accelgyro_bmi_common.h" +#include "driver/accel_lis2dw12.h" +#include "driver/als_tcs3400.h" +#include "driver/bc12/mt6360.h" +#include "driver/bc12/pi3usb9201.h" +#include "driver/charger/isl923x.h" +#include "driver/charger/isl923x.h" +#include "driver/ppc/syv682x.h" +#include "driver/tcpm/it83xx_pd.h" +#include "driver/temp_sensor/thermistor.h" +#include "driver/usb_mux/it5205.h" +#include "driver/usb_mux/ps8743.h" +#include "extpower.h" +#include "gpio.h" +#include "hooks.h" +#include "i2c.h" +#include "i2c.h" +#include "keyboard_scan.h" +#include "lid_switch.h" +#include "motion_sense.h" +#include "power_button.h" +#include "power.h" +#include "power.h" +#include "regulator.h" +#include "spi.h" +#include "switch.h" +#include "tablet_mode.h" +#include "task.h" +#include "temp_sensor.h" +#include "timer.h" +#include "uart.h" +#include "usb_charge.h" +#include "usbc_ppc.h" +#include "usb_mux.h" +#include "usb_pd.h" +#include "usb_pd_tcpm.h" + +static void bc12_interrupt(enum gpio_signal signal); +static void ppc_interrupt(enum gpio_signal signal); +static void x_ec_interrupt(enum gpio_signal signal); + +#include "gpio_list.h" + +#define CPRINTS(format, args...) cprints(CC_SYSTEM, format, ## args) +#define CPRINTF(format, args...) cprintf(CC_SYSTEM, format, ## args) + +static enum board_sub_board board_get_sub_board(void); + +/* Wake-up pins for hibernate */ +enum gpio_signal hibernate_wake_pins[] = { + GPIO_AC_PRESENT, + GPIO_LID_OPEN, + GPIO_POWER_BUTTON_L, +}; +int hibernate_wake_pins_used = ARRAY_SIZE(hibernate_wake_pins); + +const struct charger_config_t chg_chips[] = { + { + .i2c_port = I2C_PORT_CHARGER, + .i2c_addr_flags = ISL923X_ADDR_FLAGS, + .drv = &isl923x_drv, + }, +}; + +__override void board_hibernate_late(void) +{ + /* + * Turn off PP5000_A. Required for devices without Z-state. + * Don't care for devices with Z-state. + */ + gpio_set_level(GPIO_EN_PP5000_A, 0); + + /* + * GPIO_EN_SLP_Z not implemented in rev0/1, + * fallback to usual hibernate process. + */ + if (IS_ENABLED(BOARD_GOROH) && board_get_version() <= 1) + return; + + isl9238c_hibernate(CHARGER_SOLO); + + gpio_set_level(GPIO_EN_SLP_Z, 1); + + /* should not reach here */ + __builtin_unreachable(); +} + +/* power signal list. Must match order of enum power_signal. */ +const struct power_signal_info power_signal_list[] = { + {GPIO_PMIC_EC_PWRGD, POWER_SIGNAL_ACTIVE_HIGH, "PMIC_PWR_GOOD"}, + {GPIO_AP_IN_SLEEP_L, POWER_SIGNAL_ACTIVE_LOW, "AP_IN_S3_L"}, + {GPIO_AP_EC_WATCHDOG_L, POWER_SIGNAL_ACTIVE_LOW, "AP_WDT_ASSERTED"}, +}; +BUILD_ASSERT(ARRAY_SIZE(power_signal_list) == POWER_SIGNAL_COUNT); + +/* Detect subboard */ +static void board_tcpc_init(void) +{ + gpio_enable_interrupt(GPIO_USB_C0_PPC_INT_ODL); + /* C1: GPIO_USB_C1_PPC_INT_ODL & HDMI: GPIO_PS185_EC_DP_HPD */ + gpio_enable_interrupt(GPIO_X_EC_GPIO2); + + /* If this is not a Type-C subboard, disable the task. */ + if (board_get_sub_board() != SUB_BOARD_TYPEC) + task_disable_task(TASK_ID_PD_C1); +} +/* Must be done after I2C and subboard */ +DECLARE_HOOK(HOOK_INIT, board_tcpc_init, HOOK_PRIO_INIT_I2C + 1); + +/* PPC */ +struct ppc_config_t ppc_chips[CONFIG_USB_PD_PORT_MAX_COUNT] = { + { + .i2c_port = I2C_PORT_PPC0, + .i2c_addr_flags = SYV682X_ADDR0_FLAGS, + .drv = &syv682x_drv, + .frs_en = GPIO_USB_C0_FRS_EN, + }, + { + .i2c_port = I2C_PORT_PPC1, + .i2c_addr_flags = SYV682X_ADDR0_FLAGS, + .drv = &syv682x_drv, + .frs_en = GPIO_USB_C1_FRS_EN, + }, +}; +unsigned int ppc_cnt = ARRAY_SIZE(ppc_chips); + +/* BC12 */ +const struct mt6360_config_t mt6360_config = { + .i2c_port = 0, + .i2c_addr_flags = MT6360_PMU_I2C_ADDR_FLAGS, +}; + +const struct pi3usb9201_config_t + pi3usb9201_bc12_chips[CONFIG_USB_PD_PORT_MAX_COUNT] = { + /* [0]: unused */ + [1] = { + .i2c_port = 4, + .i2c_addr_flags = PI3USB9201_I2C_ADDR_3_FLAGS, + } +}; + +struct bc12_config bc12_ports[CONFIG_USB_PD_PORT_MAX_COUNT] = { + { .drv = &mt6360_drv }, + { .drv = &pi3usb9201_drv }, +}; + +static void bc12_interrupt(enum gpio_signal signal) +{ + if (signal == GPIO_USB_C0_BC12_INT_ODL) + task_set_event(TASK_ID_USB_CHG_P0, USB_CHG_EVENT_BC12); + else + task_set_event(TASK_ID_USB_CHG_P1, USB_CHG_EVENT_BC12); +} + +static void board_sub_bc12_init(void) +{ + if (board_get_sub_board() == SUB_BOARD_TYPEC) + gpio_enable_interrupt(GPIO_USB_C1_BC12_INT_L); + else + /* If this is not a Type-C subboard, disable the task. */ + task_disable_task(TASK_ID_USB_CHG_P1); +} +/* Must be done after I2C and subboard */ +DECLARE_HOOK(HOOK_INIT, board_sub_bc12_init, HOOK_PRIO_INIT_I2C + 1); + +static void ppc_interrupt(enum gpio_signal signal) +{ + if (signal == GPIO_USB_C0_PPC_INT_ODL) + /* C0: PPC interrupt */ + syv682x_interrupt(0); +} + +/* Sub-board */ + +static enum board_sub_board board_get_sub_board(void) +{ + static enum board_sub_board sub = SUB_BOARD_NONE; + + if (sub != SUB_BOARD_NONE) + return sub; + + /* HDMI board has external pull high. */ + if (gpio_get_level(GPIO_EC_X_GPIO3)) { + sub = SUB_BOARD_HDMI; + /* Only has 1 PPC with HDMI subboard */ + ppc_cnt = 1; + /* EC_X_GPIO1 */ + gpio_set_flags(GPIO_EN_HDMI_PWR, GPIO_OUT_HIGH); + /* X_EC_GPIO2 */ + gpio_set_flags(GPIO_PS185_EC_DP_HPD, GPIO_INT_BOTH); + /* EC_X_GPIO3 */ + gpio_set_flags(GPIO_PS185_PWRDN_ODL, GPIO_ODR_HIGH); + } else { + sub = SUB_BOARD_TYPEC; + /* EC_X_GPIO1 */ + gpio_set_flags(GPIO_USB_C1_FRS_EN, GPIO_OUT_LOW); + /* X_EC_GPIO2 */ + gpio_set_flags(GPIO_USB_C1_PPC_INT_ODL, + GPIO_INT_BOTH | GPIO_PULL_UP); + /* EC_X_GPIO3 */ + gpio_set_flags(GPIO_USB_C1_DP_IN_HPD, GPIO_OUT_LOW); + } + + CPRINTS("Detect %s SUB", sub == SUB_BOARD_HDMI ? "HDMI" : "TYPEC"); + return sub; +} + +static void sub_board_init(void) +{ + board_get_sub_board(); +} +DECLARE_HOOK(HOOK_INIT, sub_board_init, HOOK_PRIO_INIT_I2C - 1); + +__override uint8_t board_get_usb_pd_port_count(void) +{ + if (board_get_sub_board() == SUB_BOARD_TYPEC) + return CONFIG_USB_PD_PORT_MAX_COUNT; + else + return CONFIG_USB_PD_PORT_MAX_COUNT - 1; +} + +/* Called on AP S3 -> S0 transition */ +static void board_chipset_resume(void) +{ + gpio_set_level(GPIO_EC_BL_EN_OD, 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_EC_BL_EN_OD, 0); +} +DECLARE_HOOK(HOOK_CHIPSET_SUSPEND, board_chipset_suspend, HOOK_PRIO_DEFAULT); + +/* USB-A */ +const int usb_port_enable[] = { + GPIO_EN_PP5000_USB_A0_VBUS, +}; +BUILD_ASSERT(ARRAY_SIZE(usb_port_enable) == USB_PORT_COUNT); + +/* USB Mux */ + +void board_usb_mux_init(void) +{ + if (board_get_sub_board() == SUB_BOARD_TYPEC) + ps8743_tune_usb_eq(&usb_muxes[1], + PS8743_USB_EQ_TX_12_8_DB, + PS8743_USB_EQ_RX_12_8_DB); +} +DECLARE_HOOK(HOOK_INIT, board_usb_mux_init, HOOK_PRIO_INIT_I2C + 1); + +static int board_ps8743_mux_set(const struct usb_mux *me, + mux_state_t mux_state) +{ + int rv = EC_SUCCESS; + int reg = 0; + + rv = ps8743_read(me, PS8743_REG_MODE, ®); + if (rv) + return rv; + + /* Disable FLIP pin, enable I2C control. */ + reg |= PS8743_MODE_FLIP_REG_CONTROL; + /* Disable CE_USB pin, enable I2C control. */ + reg |= PS8743_MODE_USB_REG_CONTROL; + /* Disable CE_DP pin, enable I2C control. */ + reg |= PS8743_MODE_DP_REG_CONTROL; + + /* + * DP specific config + * + * Enable/Disable IN_HPD on the DB. + */ + gpio_set_level(GPIO_USB_C1_DP_IN_HPD, + mux_state & USB_PD_MUX_DP_ENABLED); + + return ps8743_write(me, PS8743_REG_MODE, reg); +} + +const struct usb_mux usbc0_virtual_mux = { + .usb_port = 0, + .driver = &virtual_usb_mux_driver, + .hpd_update = &virtual_hpd_update, +}; + +const struct usb_mux usbc1_virtual_mux = { + .usb_port = 1, + .driver = &virtual_usb_mux_driver, + .hpd_update = &virtual_hpd_update, +}; + +const struct usb_mux usb_muxes[CONFIG_USB_PD_PORT_MAX_COUNT] = { + { + .usb_port = 0, + .i2c_port = I2C_PORT_USB_MUX0, + .i2c_addr_flags = IT5205_I2C_ADDR1_FLAGS, + .driver = &it5205_usb_mux_driver, + .next_mux = &usbc0_virtual_mux, + }, + { + .usb_port = 1, + .i2c_port = I2C_PORT_USB_MUX1, + .i2c_addr_flags = PS8743_I2C_ADDR0_FLAG, + .driver = &ps8743_usb_mux_driver, + .next_mux = &usbc1_virtual_mux, + .board_set = &board_ps8743_mux_set, + }, +}; + +/* + * I2C channels (A, B, and C) are using the same timing registers (00h~07h) + * at default. + * In order to set frequency independently for each channels, + * We use timing registers 09h~0Bh, and the supported frequency will be: + * 50KHz, 100KHz, 400KHz, or 1MHz. + * I2C channels (D, E and F) can be set different frequency on different ports. + * The I2C(D/E/F) frequency depend on the frequency of SMBus Module and + * the individual prescale register. + * The frequency of SMBus module is 24MHz on default. + * The allowed range of I2C(D/E/F) frequency is as following setting. + * SMBus Module Freq = PLL_CLOCK / ((IT83XX_ECPM_SCDCR2 & 0x0F) + 1) + * (SMBus Module Freq / 510) <= I2C Freq <= (SMBus Module Freq / 8) + * Channel D has multi-function and can be used as UART interface. + * Channel F is reserved for EC debug. + */ + +/* I2C ports */ +const struct i2c_port_t i2c_ports[] = { + {"bat_chg", IT83XX_I2C_CH_A, 100, GPIO_I2C_A_SCL, GPIO_I2C_A_SDA}, + {"sensor", IT83XX_I2C_CH_B, 400, GPIO_I2C_B_SCL, GPIO_I2C_B_SDA}, + {"usb0", IT83XX_I2C_CH_C, 400, GPIO_I2C_C_SCL, GPIO_I2C_C_SDA}, + {"usb1", IT83XX_I2C_CH_E, 400, GPIO_I2C_E_SCL, GPIO_I2C_E_SDA}, +}; +const unsigned int i2c_ports_used = ARRAY_SIZE(i2c_ports); + +int board_allow_i2c_passthru(int port) +{ + return (port == I2C_PORT_VIRTUAL_BATTERY); +} + + +void board_overcurrent_event(int port, int is_overcurrented) +{ + /* TODO: check correct operation for GOROH */ +} + +/* TCPC */ +const struct tcpc_config_t tcpc_config[CONFIG_USB_PD_PORT_MAX_COUNT] = { + { + .bus_type = EC_BUS_TYPE_EMBEDDED, + /* TCPC is embedded within EC so no i2c config needed */ + .drv = &it8xxx2_tcpm_drv, + /* Alert is active-low, push-pull */ + .flags = 0, + }, + { + .bus_type = EC_BUS_TYPE_EMBEDDED, + /* TCPC is embedded within EC so no i2c config needed */ + .drv = &it8xxx2_tcpm_drv, + /* Alert is active-low, push-pull */ + .flags = 0, + }, +}; + +const struct cc_para_t *board_get_cc_tuning_parameter(enum usbpd_port port) +{ + const static struct cc_para_t + cc_parameter[CONFIG_USB_PD_ITE_ACTIVE_PORT_COUNT] = { + { + .rising_time = IT83XX_TX_PRE_DRIVING_TIME_1_UNIT, + .falling_time = IT83XX_TX_PRE_DRIVING_TIME_2_UNIT, + }, + { + .rising_time = IT83XX_TX_PRE_DRIVING_TIME_1_UNIT, + .falling_time = IT83XX_TX_PRE_DRIVING_TIME_2_UNIT, + }, + }; + + return &cc_parameter[port]; +} + +uint16_t tcpc_get_alert_status(void) +{ + /* + * C0 & C1: TCPC is embedded in the EC and processes interrupts in the + * chip code (it83xx/intc.c) + */ + return 0; +} + +void board_reset_pd_mcu(void) +{ + /* + * C0 & C1: TCPC is embedded in the EC and processes interrupts in the + * chip code (it83xx/intc.c) + */ +} + +void board_set_charge_limit(int port, int supplier, int charge_ma, + int max_ma, int charge_mv) +{ + charge_set_input_current_limit( + MAX(charge_ma, CONFIG_CHARGER_INPUT_CURRENT), charge_mv); +} + +void board_pd_vconn_ctrl(int port, enum usbpd_cc_pin cc_pin, int enabled) +{ + /* + * We ignore the cc_pin and PPC vconn because polarity and PPC vconn + * should already be set correctly in the PPC driver via the pd + * state machine. + */ +} + +int board_set_active_charge_port(int port) +{ + int i; + int is_valid_port = port == 0 || (port == 1 && board_get_sub_board() == + SUB_BOARD_TYPEC); + + if (!is_valid_port && port != CHARGE_PORT_NONE) + return EC_ERROR_INVAL; + + if (port == CHARGE_PORT_NONE) { + CPRINTS("Disabling all charger ports"); + + /* Disable all ports. */ + for (i = 0; i < ppc_cnt; i++) { + /* + * Do not return early if one fails otherwise we can + * get into a boot loop assertion failure. + */ + if (ppc_vbus_sink_enable(i, 0)) + CPRINTS("Disabling C%d as sink failed.", i); + } + + return EC_SUCCESS; + } + + /* Check if the port is sourcing VBUS. */ + if (ppc_is_sourcing_vbus(port)) { + CPRINTF("Skip enable C%d", port); + return EC_ERROR_INVAL; + } + + CPRINTS("New charge port: C%d", port); + + /* + * 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("C%d: sink path disable failed.", i); + } + + /* Enable requested charge port. */ + if (ppc_vbus_sink_enable(port, 1)) { + CPRINTS("C%d: sink path enable failed.", port); + return EC_ERROR_UNKNOWN; + } + + return EC_SUCCESS; +} + +/** + * Handle PS185 HPD changing state. + */ +int debounced_hpd; + +static void ps185_hdmi_hpd_deferred(void) +{ + const int new_hpd = gpio_get_level(GPIO_PS185_EC_DP_HPD); + + /* HPD status not changed, probably a glitch, just return. */ + if (debounced_hpd == new_hpd) + return; + + debounced_hpd = new_hpd; + + gpio_set_level(GPIO_EC_DPBRDG_HPD_ODL, !debounced_hpd); + CPRINTS(debounced_hpd ? "HDMI plug" : "HDMI unplug"); +} +DECLARE_DEFERRED(ps185_hdmi_hpd_deferred); + +#define PS185_HPD_DEBOUCE 250 + +static void hdmi_hpd_interrupt(enum gpio_signal signal) +{ + hook_call_deferred(&ps185_hdmi_hpd_deferred_data, PS185_HPD_DEBOUCE); +} + +/* HDMI/TYPE-C function shared subboard interrupt */ +static void x_ec_interrupt(enum gpio_signal signal) +{ + int sub = board_get_sub_board(); + + if (sub == SUB_BOARD_TYPEC) + /* C1: PPC interrupt */ + syv682x_interrupt(1); + else if (sub == SUB_BOARD_HDMI) + hdmi_hpd_interrupt(signal); + else + CPRINTS("Undetected subboard interrupt."); +} + +int ppc_get_alert_status(int port) +{ + if (port == 0) + return gpio_get_level(GPIO_USB_C0_PPC_INT_ODL) == 0; + if (port == 1 && board_get_sub_board() == SUB_BOARD_TYPEC) + return gpio_get_level(GPIO_USB_C1_PPC_INT_ODL) == 0; + + return 0; +} +/* SD Card */ +int board_regulator_get_info(uint32_t index, char *name, + uint16_t *num_voltages, uint16_t *voltages_mv) +{ + enum mt6360_regulator_id id = index; + + return mt6360_regulator_get_info(id, name, num_voltages, + voltages_mv); +} + +int board_regulator_enable(uint32_t index, uint8_t enable) +{ + enum mt6360_regulator_id id = index; + + return mt6360_regulator_enable(id, enable); +} + +int board_regulator_is_enabled(uint32_t index, uint8_t *enabled) +{ + enum mt6360_regulator_id id = index; + + return mt6360_regulator_is_enabled(id, enabled); +} + +int board_regulator_set_voltage(uint32_t index, uint32_t min_mv, + uint32_t max_mv) +{ + enum mt6360_regulator_id id = index; + + return mt6360_regulator_set_voltage(id, min_mv, max_mv); +} + +int board_regulator_get_voltage(uint32_t index, uint32_t *voltage_mv) +{ + enum mt6360_regulator_id id = index; + + return mt6360_regulator_get_voltage(id, voltage_mv); +} + +/* Lid */ +#ifndef TEST_BUILD +/* This callback disables keyboard when convertibles are fully open */ +void lid_angle_peripheral_enable(int enable) +{ + int chipset_in_s0 = chipset_in_state(CHIPSET_STATE_ON); + + if (enable) { + keyboard_scan_enable(1, KB_SCAN_DISABLE_LID_ANGLE); + } else { + /* + * Ensure that the chipset is off before disabling the keyboard. + * When the chipset is on, the EC keeps the keyboard enabled and + * the AP decides whether to ignore input devices or not. + */ + if (!chipset_in_s0) + keyboard_scan_enable(0, KB_SCAN_DISABLE_LID_ANGLE); + } +} +#endif + +static void baseboard_init(void) +{ + gpio_enable_interrupt(GPIO_USB_C0_BC12_INT_ODL); +} +DECLARE_HOOK(HOOK_INIT, baseboard_init, HOOK_PRIO_DEFAULT-1); |