diff options
Diffstat (limited to 'zephyr/projects/corsola/src/krabby/usbc_config_tentacruel.c')
| -rw-r--r-- | zephyr/projects/corsola/src/krabby/usbc_config_tentacruel.c | 223 |
1 files changed, 223 insertions, 0 deletions
diff --git a/zephyr/projects/corsola/src/krabby/usbc_config_tentacruel.c b/zephyr/projects/corsola/src/krabby/usbc_config_tentacruel.c new file mode 100644 index 0000000000..691a28d50f --- /dev/null +++ b/zephyr/projects/corsola/src/krabby/usbc_config_tentacruel.c @@ -0,0 +1,223 @@ +/* Copyright 2022 The ChromiumOS Authors + * Use of this source code is governed by a BSD-style license that can be + * found in the LICENSE file. + */ + +/* Tentacruel board-specific USB-C configuration */ + +#include "adc.h" +#include "baseboard_usbc_config.h" +#include "bc12/pi3usb9201_public.h" +#include "charge_manager.h" +#include "charger.h" +#include "console.h" +#include "cros_board_info.h" +#include "driver/charger/rt9490.h" +#include "driver/ppc/rt1739.h" +#include "driver/tcpm/it83xx_pd.h" +#include "driver/usb_mux/ps8743.h" +#include "gpio/gpio_int.h" +#include "hooks.h" +#include "ppc/syv682x_public.h" +#include "usb_mux/it5205_public.h" +#include "usbc_ppc.h" +#include "usbc/ppc.h" + +#include "variant_db_detection.h" +#include <zephyr/logging/log.h> + +#define CPRINTSUSB(format, args...) cprints(CC_USBCHARGE, format, ##args) +#define CPRINTS(format, args...) cprints(CC_SYSTEM, format, ##args) +#define CPRINTF(format, args...) cprintf(CC_SYSTEM, format, ##args) + +LOG_MODULE_REGISTER(alt_dev_replacement); + +#define BOARD_VERSION_UNKNOWN 0xffffffff + +/* Check board version to decide which ppc/bc12 is used. */ +static bool board_has_syv_ppc(void) +{ + static uint32_t board_version = BOARD_VERSION_UNKNOWN; + + if (board_version == BOARD_VERSION_UNKNOWN) { + if (cbi_get_board_version(&board_version) != EC_SUCCESS) { + LOG_ERR("Failed to get board version."); + board_version = 0; + } + } + + return (board_version >= 3); +} + +static void check_alternate_devices(void) +{ + /* Configure the PPC driver */ + if (board_has_syv_ppc()) + /* Arg is the USB port number */ + PPC_ENABLE_ALTERNATE(0); +} +DECLARE_HOOK(HOOK_INIT, check_alternate_devices, HOOK_PRIO_DEFAULT); + +void bc12_interrupt(enum gpio_signal signal) +{ + usb_charger_task_set_event(0, USB_CHG_EVENT_BC12); +} + +static void board_usbc_init(void) +{ + if (board_has_syv_ppc()) { + /* Enable PPC interrupts. */ + gpio_enable_dt_interrupt( + GPIO_INT_FROM_NODELABEL(int_usb_c0_ppc)); + + /* Enable BC1.2 interrupts. */ + gpio_enable_dt_interrupt( + GPIO_INT_FROM_NODELABEL(int_usb_c0_bc12)); + } else { + gpio_enable_dt_interrupt( + GPIO_INT_FROM_NODELABEL(int_usb_c0_ppc)); + } +} +DECLARE_HOOK(HOOK_INIT, board_usbc_init, HOOK_PRIO_POST_DEFAULT); + +void ppc_interrupt(enum gpio_signal signal) +{ + if (signal == GPIO_SIGNAL(DT_NODELABEL(usb_c0_ppc_int_odl))) { + if (board_has_syv_ppc()) { + syv682x_interrupt(0); + } else { + rt1739_interrupt(0); + } + } + if (signal == GPIO_SIGNAL(DT_ALIAS(gpio_usb_c1_ppc_int_odl))) { + syv682x_interrupt(1); + } +} + +int ppc_get_alert_status(int port) +{ + if (port == 0) { + return gpio_pin_get_dt( + GPIO_DT_FROM_NODELABEL(usb_c0_ppc_int_odl)) == 0; + } + if (port == 1 && corsola_get_db_type() == CORSOLA_DB_TYPEC) { + return gpio_pin_get_dt(GPIO_DT_FROM_ALIAS( + gpio_usb_c1_ppc_int_odl)) == 0; + } + + return 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]; +} + +void board_overcurrent_event(int port, int is_overcurrented) +{ + /* TODO: check correct operation for Corsola */ +} + +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) + */ +} + +int board_set_active_charge_port(int port) +{ + int i; + int is_valid_port = (port >= 0 && port < board_get_usb_pd_port_count()); + + 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)) { + CPRINTS("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; +} + +#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 */ |