summaryrefslogtreecommitdiff
path: root/zephyr/projects/intelrvp/src/chg_usb_pd_mecc_1_1.c
diff options
context:
space:
mode:
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.c92
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");
+ }
+}