diff options
Diffstat (limited to 'board/lazor/usbc_config.c')
-rw-r--r-- | board/lazor/usbc_config.c | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/board/lazor/usbc_config.c b/board/lazor/usbc_config.c index eb9d5a1c6a..99b69b3751 100644 --- a/board/lazor/usbc_config.c +++ b/board/lazor/usbc_config.c @@ -5,8 +5,22 @@ /* Lazor board-specific USB-C configuration */ +#include "bc12/pi3usb9201_public.h" +#include "charge_state.h" +#include "common.h" +#include "config.h" +#include "gpio.h" +#include "ppc/sn5s330_public.h" +#include "tcpm/ps8xxx_public.h" +#include "tcpm/tcpci.h" +#include "timer.h" #include "usb_pd.h" #include "usbc_config.h" +#include "usb_mux.h" +#include "usbc_ppc.h" + +#define CPRINTS(format, args...) cprints(CC_USBCHARGE, format, ## args) +#define CPRINTF(format, args...) cprintf(CC_USBCHARGE, format, ## args) /* GPIO Interrupt Handlers */ void tcpc_alert_event(enum gpio_signal signal) @@ -26,3 +40,130 @@ void tcpc_alert_event(enum gpio_signal signal) schedule_deferred_pd_interrupt(port); } + +void board_reset_pd_mcu(void) +{ + cprints(CC_USB, "Resetting TCPCs..."); + cflush(); + + gpio_set_level(GPIO_USB_C0_PD_RST_L, 0); + gpio_set_level(GPIO_USB_C1_PD_RST_L, 0); + msleep(PS8XXX_RESET_DELAY_MS); + gpio_set_level(GPIO_USB_C0_PD_RST_L, 1); + gpio_set_level(GPIO_USB_C1_PD_RST_L, 1); +} + +void board_set_tcpc_power_mode(int port, int mode) +{ + /* Ignore the "mode" to turn the chip on. We can only do a reset. */ + if (mode) + return; + + board_reset_pd_mcu(); +} + +int board_vbus_sink_enable(int port, int enable) +{ + /* Both ports are controlled by PPC SN5S330 */ + return ppc_vbus_sink_enable(port, enable); +} + +int board_is_sourcing_vbus(int port) +{ + /* Both ports are controlled by PPC SN5S330 */ + return ppc_is_sourcing_vbus(port); +} + +void board_overcurrent_event(int port, int is_overcurrented) +{ + /* TODO(b/120231371): Notify AP */ + CPRINTS("p%d: overcurrent!", port); +} + +int board_set_active_charge_port(int port) +{ + int is_real_port = (port >= 0 && + port < CONFIG_USB_PD_PORT_MAX_COUNT); + int i; + + if (!is_real_port && port != CHARGE_PORT_NONE) + return EC_ERROR_INVAL; + + if (port == CHARGE_PORT_NONE) { + CPRINTS("Disabling all charging port"); + + /* Disable all ports. */ + for (i = 0; i < CONFIG_USB_PD_PORT_MAX_COUNT; i++) { + /* + * Do not return early if one fails otherwise we can + * get into a boot loop assertion failure. + */ + if (board_vbus_sink_enable(i, 0)) + CPRINTS("Disabling p%d sink path failed.", i); + } + + return EC_SUCCESS; + } + + /* Check if the port is sourcing VBUS. */ + if (board_is_sourcing_vbus(port)) { + CPRINTS("Skip enable p%d", port); + return EC_ERROR_INVAL; + } + + + CPRINTS("New charge port: p%d", port); + + /* + * Turn off the other ports' sink path FETs, before enabling the + * requested charge port. + */ + for (i = 0; i < CONFIG_USB_PD_PORT_MAX_COUNT; i++) { + if (i == port) + continue; + + if (board_vbus_sink_enable(i, 0)) + CPRINTS("p%d: sink path disable failed.", i); + } + + /* Enable requested charge port. */ + if (board_vbus_sink_enable(port, 1)) { + CPRINTS("p%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) +{ + /* + * Ignore lower charge ceiling on PD transition if our battery is + * critical, as we may brownout. + */ + if (supplier == CHARGE_SUPPLIER_PD && + charge_ma < 1500 && + charge_get_percent() < CONFIG_CHARGER_MIN_BAT_PCT_FOR_POWER_ON) { + CPRINTS("Using max ilim %d", max_ma); + charge_ma = max_ma; + } + + charge_set_input_current_limit(MAX(charge_ma, + CONFIG_CHARGER_INPUT_CURRENT), + charge_mv); +} + +uint16_t tcpc_get_alert_status(void) +{ + uint16_t status = 0; + + if (!gpio_get_level(GPIO_USB_C0_PD_INT_ODL)) + if (gpio_get_level(GPIO_USB_C0_PD_RST_L)) + status |= PD_STATUS_TCPC_ALERT_0; + if (!gpio_get_level(GPIO_USB_C1_PD_INT_ODL)) + if (gpio_get_level(GPIO_USB_C1_PD_RST_L)) + status |= PD_STATUS_TCPC_ALERT_1; + + return status; +} |