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path: root/board/storo/usb_pd_policy.c
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Diffstat (limited to 'board/storo/usb_pd_policy.c')
-rw-r--r--board/storo/usb_pd_policy.c62
1 files changed, 17 insertions, 45 deletions
diff --git a/board/storo/usb_pd_policy.c b/board/storo/usb_pd_policy.c
index 7046e25d6c..fdeabc27cb 100644
--- a/board/storo/usb_pd_policy.c
+++ b/board/storo/usb_pd_policy.c
@@ -1,15 +1,12 @@
-/* Copyright 2020 The Chromium OS Authors. All rights reserved.
+/* Copyright 2021 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.
*/
-#include "battery_smart.h"
#include "charge_manager.h"
-#include "charger.h"
#include "chipset.h"
#include "common.h"
#include "console.h"
-#include "driver/charger/sm5803.h"
#include "driver/tcpm/tcpci.h"
#include "usb_pd.h"
@@ -18,25 +15,14 @@
int pd_check_vconn_swap(int port)
{
- /* Allow VCONN swaps if the AP is on */
+ /* Allow VCONN swaps if the AP is on. */
return chipset_in_state(CHIPSET_STATE_ANY_SUSPEND | CHIPSET_STATE_ON);
}
void pd_power_supply_reset(int port)
{
- int prev_en;
-
- if (port < 0 || port >= board_get_usb_pd_port_count())
- return;
-
- prev_en = charger_is_sourcing_otg_power(port);
-
- /* Disable Vbus */
- charger_enable_otg_power(port, 0);
-
- /* Discharge Vbus if previously enabled */
- if (prev_en)
- sm5803_set_vbus_disch(port, 1);
+ /* Disable VBUS */
+ tcpc_write(port, TCPC_REG_COMMAND, TCPC_REG_COMMAND_SRC_CTRL_LOW);
/* Notify host of power info change. */
pd_send_host_event(PD_EVENT_POWER_CHANGE);
@@ -44,18 +30,24 @@ void pd_power_supply_reset(int port)
int pd_set_power_supply_ready(int port)
{
- enum ec_error_list rv;
+ int rv;
- /* Disable sinking */
- rv = sm5803_vbus_sink_enable(port, 0);
+ if (port >= board_get_usb_pd_port_count())
+ return EC_ERROR_INVAL;
+
+ /* Disable charging. */
+ rv = tcpc_write(port, TCPC_REG_COMMAND, TCPC_REG_COMMAND_SNK_CTRL_LOW);
if (rv)
return rv;
- /* Disable Vbus discharge */
- sm5803_set_vbus_disch(port, 0);
+ /* Our policy is not to source VBUS when the AP is off. */
+ if (chipset_in_state(CHIPSET_STATE_ANY_OFF))
+ return EC_ERROR_NOT_POWERED;
- /* Provide Vbus */
- charger_enable_otg_power(port, 1);
+ /* Provide Vbus. */
+ rv = tcpc_write(port, TCPC_REG_COMMAND, TCPC_REG_COMMAND_SRC_CTRL_HIGH);
+ if (rv)
+ return rv;
/* Notify host of power info change. */
pd_send_host_event(PD_EVENT_POWER_CHANGE);
@@ -63,23 +55,3 @@ int pd_set_power_supply_ready(int port)
return EC_SUCCESS;
}
-__override bool pd_check_vbus_level(int port, enum vbus_level level)
-{
- int vbus_voltage;
-
- /* If we're unable to speak to the charger, best to guess false */
- if (charger_get_vbus_voltage(port, &vbus_voltage))
- return false;
-
- if (level == VBUS_SAFE0V)
- return vbus_voltage < PD_V_SAFE0V_MAX;
- else if (level == VBUS_PRESENT)
- return vbus_voltage > PD_V_SAFE5V_MIN;
- else
- return vbus_voltage < PD_V_SINK_DISCONNECT_MAX;
-}
-
-int pd_snk_is_vbus_provided(int port)
-{
- return sm5803_is_vbus_present(port);
-}