diff options
Diffstat (limited to 'baseboard/octopus/baseboard.c')
| -rw-r--r-- | baseboard/octopus/baseboard.c | 384 |
1 files changed, 0 insertions, 384 deletions
diff --git a/baseboard/octopus/baseboard.c b/baseboard/octopus/baseboard.c deleted file mode 100644 index 4f338ab131..0000000000 --- a/baseboard/octopus/baseboard.c +++ /dev/null @@ -1,384 +0,0 @@ -/* Copyright 2018 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. - */ - -/* Octopus family-specific configuration */ - -#include "charge_manager.h" -#include "charge_state.h" -#include "chipset.h" -#include "common.h" -#include "console.h" -#include "driver/bc12/max14637.h" -#include "driver/charger/isl923x.h" -#include "driver/ppc/nx20p348x.h" -#include "gpio.h" -#include "hooks.h" -#ifdef VARIANT_OCTOPUS_EC_ITE8320 -#include "intc.h" -#endif -#include "keyboard_scan.h" -#include "power.h" -#include "system.h" -#include "task.h" -#include "usb_mux.h" -#include "usb_pd.h" -#include "usbc_ppc.h" -#include "util.h" - -#define CPRINTSUSB(format, args...) cprints(CC_USBCHARGE, format, ## args) -#define CPRINTFUSB(format, args...) cprintf(CC_USBCHARGE, format, ## args) - -/******************************************************************************/ -/* 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 = { -#ifndef CONFIG_KEYBOARD_KEYPAD - 0x14, 0xff, 0xff, 0xff, 0xff, 0xf5, 0xff, - 0xa4, 0xff, 0xfe, 0x55, 0xfa, 0xca /* full set */ -#else - 0x1c, 0xfe, 0xff, 0xff, 0xff, 0xf5, 0xff, - 0xa4, 0xff, 0xfe, 0x55, 0xfe, 0xff, 0xff, 0xff, /* full set */ -#endif - }, -}; - -/******************************************************************************/ -/* USB-A Configuration */ -const int usb_port_enable[USB_PORT_COUNT] = { - GPIO_EN_USB_A0_5V, - GPIO_EN_USB_A1_5V, -}; - -/******************************************************************************/ -/* BC 1.2 chip Configuration */ -const struct max14637_config_t max14637_config[CONFIG_USB_PD_PORT_MAX_COUNT] = { - { - .chip_enable_pin = GPIO_USB_C0_BC12_VBUS_ON, - .chg_det_pin = GPIO_USB_C0_BC12_CHG_DET_L, - .flags = MAX14637_FLAGS_CHG_DET_ACTIVE_LOW, - }, - { - .chip_enable_pin = GPIO_USB_C1_BC12_VBUS_ON, - .chg_det_pin = GPIO_USB_C1_BC12_CHG_DET_L, - .flags = MAX14637_FLAGS_CHG_DET_ACTIVE_LOW, - }, -}; - -/******************************************************************************/ -/* Charger Chip Configuration */ -#ifdef VARIANT_OCTOPUS_CHARGER_ISL9238 -const struct charger_config_t chg_chips[] = { - { - .i2c_port = I2C_PORT_CHARGER, - .i2c_addr_flags = ISL923X_ADDR_FLAGS, - .drv = &isl923x_drv, - }, -}; -#endif - -/******************************************************************************/ -/* Chipset callbacks/hooks */ - -/* Called by APL power state machine when transitioning from G3 to S5 */ -void chipset_pre_init_callback(void) -{ -#ifdef IT83XX_ESPI_INHIBIT_CS_BY_PAD_DISABLED - /* - * Since we disable eSPI module for IT8320 part when system goes into G3 - * state, so we need to enable it at system startup. - */ - espi_enable_pad(1); -#endif - - /* Enable 5.0V and 3.3V rails, and wait for Power Good */ - power_5v_enable(task_get_current(), 1); - - gpio_set_level(GPIO_EN_PP3300, 1); - while (!gpio_get_level(GPIO_PP5000_PG) || - !gpio_get_level(GPIO_PP3300_PG)) - ; - - /* Enable PMIC */ - gpio_set_level(GPIO_PMIC_EN, 1); -} - -/* Called on AP S5 -> S3 transition */ -static void baseboard_chipset_startup(void) -{ - /* Enable Trackpad in S3+, so it can be an AP wake source. */ - gpio_set_level(GPIO_EN_P3300_TRACKPAD_ODL, 0); -} -DECLARE_HOOK(HOOK_CHIPSET_STARTUP, baseboard_chipset_startup, - HOOK_PRIO_DEFAULT); - -/* Called on AP S3 -> S0 transition */ -static void baseboard_chipset_resume(void) -{ - /* - * GPIO_ENABLE_BACKLIGHT is AND'ed with SOC_EDP_BKLTEN from the SoC and - * LID_OPEN connection in hardware. - */ - gpio_set_level(GPIO_ENABLE_BACKLIGHT, 1); - /* Enable the keyboard backlight */ - gpio_set_level(GPIO_KB_BL_PWR_EN, 1); -} -DECLARE_HOOK(HOOK_CHIPSET_RESUME, baseboard_chipset_resume, HOOK_PRIO_DEFAULT); - -/* Called on AP S0 -> S3 transition */ -static void baseboard_chipset_suspend(void) -{ - /* - * GPIO_ENABLE_BACKLIGHT is AND'ed with SOC_EDP_BKLTEN from the SoC and - * LID_OPEN connection in hardware. - */ - gpio_set_level(GPIO_ENABLE_BACKLIGHT, 0); - /* Disable the keyboard backlight */ - gpio_set_level(GPIO_KB_BL_PWR_EN, 0); -} -DECLARE_HOOK(HOOK_CHIPSET_SUSPEND, baseboard_chipset_suspend, - HOOK_PRIO_DEFAULT); - -/* Called on AP S3 -> S5 transition */ -static void baseboard_chipset_shutdown(void) -{ - /* Disable Trackpad in S5- to save power; not a low power wake source */ - gpio_set_level(GPIO_EN_P3300_TRACKPAD_ODL, 1); -} -DECLARE_HOOK(HOOK_CHIPSET_SHUTDOWN, baseboard_chipset_shutdown, - HOOK_PRIO_DEFAULT); - -/* Called by APL power state machine when transitioning to G3. */ -void chipset_do_shutdown(void) -{ -#ifdef VARIANT_OCTOPUS_EC_ITE8320 - /* - * We want the processor to be reset before dropping the PP3300_A rail - * below, otherwise the PP3300_LDO and PP3300_EC rails can be overloaded - */ - if (gpio_get_level(GPIO_PCH_SLP_S4_L)) { - /* assert RSMRST to PCH */ - gpio_set_level(GPIO_PCH_RSMRST_L, 0); - /* Wait SLP_S4 goes low; would rather watchdog than continue */ - while (gpio_get_level(GPIO_PCH_SLP_S4_L)) - ; - } -#endif - - /* Disable PMIC */ - gpio_set_level(GPIO_PMIC_EN, 0); - - /* Disable 5.0V and 3.3V rails, and wait until they power down. */ - power_5v_enable(task_get_current(), 0); - - /* - * Shutdown the 3.3V rail and wait for it to go down. We cannot wait - * for the 5V rail since other tasks may be using it. - */ - gpio_set_level(GPIO_EN_PP3300, 0); - while (gpio_get_level(GPIO_PP3300_PG)) - ; - -#ifdef IT83XX_ESPI_INHIBIT_CS_BY_PAD_DISABLED - /* - * The IT8320 part doesn't go into its lowest power state in idle task - * when the eSPI module is on and CS# is asserted, so we need to - * manually disable it. - */ - espi_enable_pad(0); -#endif -} - -int board_is_i2c_port_powered(int port) -{ - if (port != I2C_PORT_SENSOR) - return 1; - - /* Sensor rails are off in S5/G3 */ - return chipset_in_state(CHIPSET_STATE_ANY_OFF) ? 0 : 1; -} - -/******************************************************************************/ -/* Power Delivery and charing functions */ - -#ifdef CONFIG_USB_PD_VBUS_MEASURE_ADC_EACH_PORT -enum adc_channel board_get_vbus_adc(int port) -{ - if (port == 0) - return ADC_VBUS_C0; - if (port == 1) - return ADC_VBUS_C1; - CPRINTSUSB("Unknown vbus adc port id: %d", port); - return ADC_VBUS_C0; -} -#endif /* CONFIG_USB_PD_VBUS_MEASURE_ADC_EACH_PORT */ - -void baseboard_tcpc_init(void) -{ - /* Only reset TCPC if not sysjump */ - if (!system_jumped_late()) - board_reset_pd_mcu(); - - /* - * Initialize HPD to low; after sysjump SOC needs to see - * HPD pulse to enable video path - */ - for (int port = 0; port < board_get_usb_pd_port_count(); ++port) - usb_mux_hpd_update(port, USB_PD_MUX_HPD_LVL_DEASSERTED | - USB_PD_MUX_HPD_IRQ_DEASSERTED); -} -/* Called after the cbi_init (via +2) */ -DECLARE_HOOK(HOOK_INIT, baseboard_tcpc_init, HOOK_PRIO_INIT_I2C + 2); - -int board_set_active_charge_port(int port) -{ - int is_valid_port = (port >= 0 && - port < board_get_usb_pd_port_count()); - int i; - - if (!is_valid_port && port != CHARGE_PORT_NONE) - return EC_ERROR_INVAL; - - - if (port == CHARGE_PORT_NONE) { - CPRINTSUSB("Disabling all charger ports"); - - /* Disable all ports. */ - for (i = 0; (i < ppc_cnt) && - (i < board_get_usb_pd_port_count()); 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)) - CPRINTSUSB("Disabling C%d as sink failed.", i); - } - - return EC_SUCCESS; - } - - /* Check if the port is sourcing VBUS. */ - if (ppc_is_sourcing_vbus(port)) { - CPRINTFUSB("Skip enable C%d", port); - return EC_ERROR_INVAL; - } - - CPRINTSUSB("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 < board_get_usb_pd_port_count()); i++) { - if (i == port) - continue; - - if (ppc_vbus_sink_enable(i, 0)) - CPRINTSUSB("C%d: sink path disable failed.", i); - } - - /* Enable requested charge port. */ - if (ppc_vbus_sink_enable(port, 1)) { - CPRINTSUSB("C%d: sink path enable failed.", port); - 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) -{ - /* - * Empirically, the charger seems to draw a little more current that - * it is set to, so we reduce our limit by 5%. - */ -#if defined(CONFIG_CHARGER_BQ25710) || defined(CONFIG_CHARGER_ISL9238) - charge_ma = (charge_ma * 95) / 100; -#endif - charge_set_input_current_limit(MAX(charge_ma, - CONFIG_CHARGER_INPUT_CURRENT), - charge_mv); -} - -void board_hibernate(void) -{ - int port; - - /* - * To support hibernate called from console commands, ectool commands - * and key sequence, shutdown the AP before hibernating. - * - * If board_hibernate() is called from within chipset task, then - * chipset_do_shutdown needs to be called directly since - * chipset_force_shutdown basically just sets wake event for chipset - * task. But that will not help since chipset task is in board_hibernate - * and never returns back to the power state machine to take down power - * rails. - */ -#ifdef HAS_TASK_CHIPSET - if (task_get_current() == TASK_ID_CHIPSET) - chipset_do_shutdown(); - else -#endif - chipset_force_shutdown(CHIPSET_SHUTDOWN_BOARD_CUSTOM); - -#ifdef CONFIG_USBC_PPC_NX20P3483 - /* - * If we are charging, then drop the Vbus level down to 5V to ensure - * that we don't get locked out of the 6.8V OVLO for our PPCs in - * dead-battery mode. This is needed when the TCPC/PPC rails go away. - * (b/79218851) - */ - port = charge_manager_get_active_charge_port(); - if (port != CHARGE_PORT_NONE) - pd_request_source_voltage(port, NX20P348X_SAFE_RESET_VBUS_MV); -#endif - - /* - * If Vbus isn't already on this port, then we need to put the PPC into - * low power mode or open the SNK FET based on which signals wake up - * the EC from hibernate. - */ - for (port = 0; port < board_get_usb_pd_port_count(); port++) { - if (!pd_is_vbus_present(port)) { -#ifdef VARIANT_OCTOPUS_EC_ITE8320 - /* - * ITE variant uses the PPC interrupts instead of - * AC_PRESENT to wake up, so we do not need to enable - * the SNK FETS. - */ - ppc_enter_low_power_mode(port); -#else - /* - * Open the SNK path to allow AC to pass through to the - * charger when connected. This is need if the TCPC/PPC - * rails do not go away and AC_PRESENT wakes up the EC - * (b/79173959). - */ - ppc_vbus_sink_enable(port, 1); -#endif - } - } - - /* - * Delay allows AP power state machine to settle down along - * with any PD contract renegotiation, and tcpm to put TCPC into low - * power mode if required. - */ - msleep(1500); -} |