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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.
*
* Test USB PE module.
*/
#include "common.h"
#include "task.h"
#include "test_util.h"
#include "timer.h"
#include "usb_emsg.h"
#include "usb_mux.h"
#include "usb_pe.h"
#include "usb_pe_sm.h"
#include "usb_sm_checks.h"
#include "mock/usb_tc_sm_mock.h"
#include "mock/tcpc_mock.h"
#include "mock/usb_mux_mock.h"
#include "mock/usb_pd_mock.h"
#include "mock/usb_pd_dpm_mock.h"
#include "mock/dp_alt_mode_mock.h"
#include "mock/usb_prl_mock.h"
/* Install Mock TCPC and MUX drivers */
const struct tcpc_config_t tcpc_config[CONFIG_USB_PD_PORT_MAX_COUNT] = {
{
.drv = &mock_tcpc_driver,
},
};
const struct usb_mux usb_muxes[CONFIG_USB_PD_PORT_MAX_COUNT] = {
{
.driver = &mock_usb_mux_driver,
}
};
void before_test(void)
{
mock_tc_port_reset();
mock_tcpc_reset();
mock_usb_mux_reset();
mock_pd_reset();
mock_dpm_reset();
mock_dp_alt_mode_reset();
mock_prl_reset();
/* Restart the PD task and let it settle */
task_set_event(TASK_ID_PD_C0, TASK_EVENT_RESET_DONE, 0);
task_wait_event(SECOND);
}
test_static int test_send_caps_error(void)
{
/* Enable PE as source, expect SOURCE_CAP. */
mock_pd_port[PORT0].power_role = PD_ROLE_SOURCE;
mock_tc_port[PORT0].pd_enable = 1;
mock_tc_port[PORT0].vconn_src = true;
task_wait_event(10 * MSEC);
TEST_EQ(fake_prl_get_last_sent_data_msg_type(PORT0),
PD_DATA_SOURCE_CAP, "%d");
fake_prl_message_sent(PORT0);
task_wait_event(10 * MSEC);
/* REQUEST 5V, expect ACCEPT, PS_RDY. */
rx_emsg[PORT0].header = PD_HEADER(PD_DATA_REQUEST, PD_ROLE_SINK,
PD_ROLE_UFP, 0,
1, PD_REV30, 0);
rx_emsg[PORT0].len = 4;
*(uint32_t *)rx_emsg[PORT0].buf = RDO_FIXED(1, 500, 500, 0);
fake_prl_message_received(PORT0);
task_wait_event(10 * MSEC);
TEST_EQ(fake_prl_get_last_sent_ctrl_msg(PORT0),
PD_CTRL_ACCEPT, "%d");
fake_prl_message_sent(PORT0);
task_wait_event(10 * MSEC);
TEST_EQ(fake_prl_get_last_sent_ctrl_msg(PORT0),
PD_CTRL_PS_RDY, "%d");
fake_prl_message_sent(PORT0);
task_wait_event(30 * MSEC);
/* Expect VENDOR_DEF, reply NOT_SUPPORTED. */
TEST_EQ(fake_prl_get_last_sent_data_msg_type(PORT0),
PD_DATA_VENDOR_DEF, "%d");
fake_prl_message_sent(PORT0);
task_wait_event(10 * MSEC);
rx_emsg[PORT0].header = PD_HEADER(PD_CTRL_NOT_SUPPORTED, PD_ROLE_SINK,
PD_ROLE_UFP, 2,
0, PD_REV30, 0);
rx_emsg[PORT0].len = 0;
fake_prl_message_received(PORT0);
task_wait_event(30 * MSEC);
/* Expect GET_SOURCE_CAP, reply NOT_SUPPORTED. */
TEST_EQ(fake_prl_get_last_sent_ctrl_msg(PORT0),
PD_CTRL_GET_SOURCE_CAP, "%d");
fake_prl_message_sent(PORT0);
task_wait_event(10 * MSEC);
rx_emsg[PORT0].header = PD_HEADER(PD_CTRL_NOT_SUPPORTED, PD_ROLE_SINK,
PD_ROLE_UFP, 2,
0, PD_REV30, 0);
rx_emsg[PORT0].len = 0;
fake_prl_message_received(PORT0);
task_wait_event(200 * MSEC);
/*
* Now connected. Send GET_SOURCE_CAP, to check how error sending
* SOURCE_CAP is handled.
*/
rx_emsg[PORT0].header = PD_HEADER(PD_CTRL_GET_SOURCE_CAP, PD_ROLE_SINK,
PD_ROLE_UFP, 3,
0, PD_REV30, 0);
rx_emsg[PORT0].len = 0;
fake_prl_message_received(PORT0);
task_wait_event(10 * MSEC);
TEST_EQ(fake_prl_get_last_sent_data_msg_type(PORT0),
PD_DATA_SOURCE_CAP, "%d");
/* Simulate error sending SOURCE_CAP. */
fake_prl_report_error(PORT0, ERR_TCH_XMIT);
task_wait_event(20 * MSEC);
/*
* Expect SOFT_RESET.
* See section 8.3.3.4.1.1 PE_SRC_Send_Soft_Reset State and section
* 8.3.3.2.3 PE_SRC_Send_Capabilities State.
* "The PE_SRC_Send_Soft_Reset state Shall be entered from any state
* when ... A Message has not been sent after retries to the Sink"
*/
TEST_EQ(fake_prl_get_last_sent_ctrl_msg(PORT0),
PD_CTRL_SOFT_RESET, "%d");
fake_prl_message_sent(PORT0);
task_wait_event(5 * SECOND);
return EC_SUCCESS;
}
void run_test(int argc, char **argv)
{
test_reset();
RUN_TEST(test_send_caps_error);
/* Do basic state machine validity checks last. */
RUN_TEST(test_pe_no_parent_cycles);
test_print_result();
}
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