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/* 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.
*/
#include "mock/tcpci_i2c_mock.h"
#include "task.h"
#include "tcpm/tcpci.h"
#include "test_util.h"
#include "timer.h"
#include "usb_tcpmv2_compliance.h"
#include "usb_tc_sm.h"
/*****************************************************************************
* TD.PD.SRC.E5 SenderResponseTimer Timeout - Request
*
* Description:
* As Consumer (UFP), the Tester intentionally does not send the Request
* message, which is intended to cause a SenderResponseTimer timeout on
* the Provider (DFP, UUT). The Tester verifies correct implementation
* of this timer
*/
int test_td_pd_src_e5(void)
{
uint64_t end_time;
partner_set_pd_rev(PD_REV20);
TEST_EQ(tcpci_startup(), EC_SUCCESS, "%d");
/*
* a) Run PROC.PD.E1 Bring-up according to the UUT role.
*
* NOTE: Calling PROC.PD.E1 with INITIAL_ATTACH will stop just before
* the PD_DATA_SOURCE_CAP is verified. We need to stop the process
* there to stop the REQUEST message.
*/
TEST_EQ(proc_pd_e1(PD_ROLE_DFP, INITIAL_ATTACH), EC_SUCCESS, "%d");
/*
* b) Upon receipt of the Source Capabilities message from the
* Provider, the Tester replies with a GoodCRC message.
*/
TEST_EQ(verify_tcpci_transmit(TCPCI_MSG_SOP, 0, PD_DATA_SOURCE_CAP),
EC_SUCCESS, "%d");
mock_set_alert(TCPC_REG_ALERT_TX_SUCCESS);
/* Save time GoodCRC was sent */
end_time = get_time().val;
/*
* c) The Tester intentionally does not send a Request message and
* waits for a Hard Reset.
*/
/*
* d) If a Hard Reset is not detected within 30 ms from the time the
* last bit of the GoodCRC message EOP has been sent, the test
* fails.
* e) If a Hard Reset is detected before 24 ms from the time the
* last bit of the GoodCRC message EOP has been sent, the test
* fails.
*/
end_time += 24 * MSEC;
while (get_time().val < end_time) {
TEST_NE(mock_tcpci_get_reg(TCPC_REG_TRANSMIT),
TCPCI_MSG_TX_HARD_RESET, "%d");
task_wait_event(1 * MSEC);
}
end_time += 6 * MSEC;
while (get_time().val < end_time) {
if (mock_tcpci_get_reg(TCPC_REG_TRANSMIT) ==
TCPCI_MSG_TX_HARD_RESET)
break;
task_wait_event(1 * MSEC);
}
TEST_EQ(mock_tcpci_get_reg(TCPC_REG_TRANSMIT),
TCPCI_MSG_TX_HARD_RESET, "%d");
mock_set_alert(TCPC_REG_ALERT_TX_SUCCESS | TCPC_REG_ALERT_TX_FAILED);
mock_tcpci_set_reg(TCPC_REG_TRANSMIT, 0);
task_wait_event(1 * MSEC);
return EC_SUCCESS;
}
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