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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.
*/
/* Mock for the TCPM interface */
#include "common.h"
#include "console.h"
#include "memory.h"
#include "mock/tcpm_mock.h"
#ifndef TEST_BUILD
#error "Mocks should only be in the test build."
#endif
struct mock_tcpm_t mock_tcpm[CONFIG_USB_PD_PORT_MAX_COUNT];
/**
* Gets the next waiting RX message.
*
* @param port Type-C port number
* @param payload Pointer to location to copy payload of PD message
* @param header The header of PD message
*
* @return EC_SUCCESS or error
*/
int tcpm_dequeue_message(int port, uint32_t *payload, int *header)
{
if (!tcpm_has_pending_message(port))
return EC_ERROR_BUSY;
*header = mock_tcpm[port].mock_header;
memcpy(payload, mock_tcpm[port].mock_rx_chk_buf,
sizeof(mock_tcpm[port].mock_rx_chk_buf));
return EC_SUCCESS;
}
/**
* Returns true if the tcpm has RX messages waiting to be consumed.
*/
int tcpm_has_pending_message(int port)
{
return mock_tcpm[port].mock_has_pending_message;
}
/**
* Resets all mock TCPM ports
*/
void mock_tcpm_reset(void)
{
int port;
for (port = 0 ; port < CONFIG_USB_PD_PORT_MAX_COUNT ; ++port)
mock_tcpm[port].mock_has_pending_message = 0;
}
/**
* Sets up a message to be received, with optional data payload. If cnt==0,
* then data can be NULL.
*/
void mock_tcpm_rx_msg(int port, uint16_t header, int cnt, const uint32_t *data)
{
mock_tcpm[port].mock_header = header;
if (cnt > 0) {
int idx;
for (idx = 0 ; (idx < cnt) && (idx < MOCK_CHK_BUF_SIZE) ; ++idx)
mock_tcpm[port].mock_rx_chk_buf[idx] = data[idx];
}
mock_tcpm[port].mock_has_pending_message = 1;
}
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