diff options
Diffstat (limited to 'baseboard/intelrvp/chg_usb_pd_mecc_1_0.c')
-rw-r--r-- | baseboard/intelrvp/chg_usb_pd_mecc_1_0.c | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/baseboard/intelrvp/chg_usb_pd_mecc_1_0.c b/baseboard/intelrvp/chg_usb_pd_mecc_1_0.c new file mode 100644 index 0000000000..639e7863a9 --- /dev/null +++ b/baseboard/intelrvp/chg_usb_pd_mecc_1_0.c @@ -0,0 +1,96 @@ +/* Copyright 2020 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. + */ + +/* Intel-RVP family-specific configuration */ + +#include "charge_manager.h" +#include "charge_state_v2.h" +#include "console.h" +#include "driver/ppc/sn5s330.h" +#include "hooks.h" +#include "tcpci.h" +#include "system.h" +#include "usbc_ppc.h" + +#define CPRINTF(format, args...) cprintf(CC_USBPD, format, ## args) +#define CPRINTS(format, args...) cprints(CC_USBPD, format, ## args) + +static void baseboard_tcpc_init(void) +{ + int i; + + /* Only reset TCPC if not sysjump */ + if (!system_jumped_late()) + board_reset_pd_mcu(); + + for (i = 0; i < CONFIG_USB_PD_PORT_MAX_COUNT; i++) { + /* Enable PPC interrupts. */ + gpio_enable_interrupt(tcpc_aic_gpios[i].ppc_alert); + + /* Enable TCPC interrupts. */ + if (tcpc_config[i].bus_type != EC_BUS_TYPE_EMBEDDED) + gpio_enable_interrupt(tcpc_aic_gpios[i].tcpc_alert); + } +} +DECLARE_HOOK(HOOK_INIT, baseboard_tcpc_init, HOOK_PRIO_INIT_CHIPSET); + +void tcpc_alert_event(enum gpio_signal signal) +{ + int i; + + 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 (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 !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 (signal == tcpc_aic_gpios[i].ppc_alert) { + sn5s330_interrupt(i); + break; + } + } +} + +void board_charging_enable(int port, int enable) +{ + if (ppc_vbus_sink_enable(port, enable)) + CPRINTS("C%d: sink path %s failed", + port, enable ? "en" : "dis"); +} |