diff options
Diffstat (limited to 'zephyr/projects/intelrvp/src/chg_usb_pd_mecc_1_1.c')
-rw-r--r-- | zephyr/projects/intelrvp/src/chg_usb_pd_mecc_1_1.c | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/zephyr/projects/intelrvp/src/chg_usb_pd_mecc_1_1.c b/zephyr/projects/intelrvp/src/chg_usb_pd_mecc_1_1.c new file mode 100644 index 0000000000..45fbbc6f65 --- /dev/null +++ b/zephyr/projects/intelrvp/src/chg_usb_pd_mecc_1_1.c @@ -0,0 +1,92 @@ +/* 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. + */ + +/* Intel-RVP family-specific configuration */ + +#include "console.h" +#include "gpio/gpio_int.h" +#include "hooks.h" +#include "include/gpio.h" +#include "intelrvp.h" +#include "ioexpander.h" +#include "system.h" +#include "tcpm/tcpci.h" +#include "usbc_ppc.h" + +#define CPRINTF(format, args...) cprintf(CC_USBPD, format, ##args) +#define CPRINTS(format, args...) cprints(CC_USBPD, format, ##args) + +void tcpc_alert_event(enum gpio_signal signal) +{ + int i; + + for (i = 0; i < CONFIG_USB_PD_PORT_MAX_COUNT; i++) { + /* No alerts for embedded TCPC */ + if (tcpc_config[i].bus_type == EC_BUS_TYPE_EMBEDDED) { + continue; + } + + if (signal == tcpc_aic_gpios[i].tcpc_alert) { + schedule_deferred_pd_interrupt(i); + break; + } + } +} + +uint16_t tcpc_get_alert_status(void) +{ + uint16_t status = 0; + int i; + + /* Check which port has the ALERT line set */ + for (i = 0; i < CONFIG_USB_PD_PORT_MAX_COUNT; i++) { + /* No alerts for embdeded TCPC */ + if (tcpc_config[i].bus_type == EC_BUS_TYPE_EMBEDDED) { + continue; + } + + if (!gpio_get_level(tcpc_aic_gpios[i].tcpc_alert)) { + status |= PD_STATUS_TCPC_ALERT_0 << i; + } + } + + return status; +} + +int ppc_get_alert_status(int port) +{ + return tcpc_aic_gpios[port].ppc_intr_handler && + !gpio_get_level(tcpc_aic_gpios[port].ppc_alert); +} + +/* PPC support routines */ +void ppc_interrupt(enum gpio_signal signal) +{ + int i; + + for (i = 0; i < CONFIG_USB_PD_PORT_MAX_COUNT; i++) { + if (tcpc_aic_gpios[i].ppc_intr_handler && + signal == tcpc_aic_gpios[i].ppc_alert) { + tcpc_aic_gpios[i].ppc_intr_handler(i); + break; + } + } +} + +void board_charging_enable(int port, int enable) +{ + int rv; + + if (tcpc_aic_gpios[port].ppc_intr_handler) { + rv = ppc_vbus_sink_enable(port, enable); + } else { + rv = tcpc_config[port].drv->set_snk_ctrl(port, enable); + } + + if (rv) { + CPRINTS("C%d: sink path %s failed", port, + enable ? "en" : "dis"); + } +} |