summaryrefslogtreecommitdiff
path: root/baseboard/intelrvp/chg_usb_pd_mecc_1_0.c
diff options
context:
space:
mode:
Diffstat (limited to 'baseboard/intelrvp/chg_usb_pd_mecc_1_0.c')
-rw-r--r--baseboard/intelrvp/chg_usb_pd_mecc_1_0.c96
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");
+}