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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 "common.h"
#include "fpsensor_detect.h"
#include "host_command.h"
#include "spi.h"
#include "usart_host_command.h"
#ifndef CONFIG_I2C_PERIPHERAL
/* Store current transport type */
static enum fp_transport_type curr_transport_type = FP_TRANSPORT_TYPE_UNKNOWN;
/*
* Get protocol information
*/
static enum ec_status host_command_protocol_info(struct host_cmd_handler_args
*args)
{
enum ec_status ret_status = EC_RES_INVALID_COMMAND;
/*
* Read transport type from TRANSPORT_SEL bootstrap pin the first
* time this function is called.
*/
if (IS_ENABLED(CONFIG_FINGERPRINT_MCU) &&
(curr_transport_type == FP_TRANSPORT_TYPE_UNKNOWN))
curr_transport_type = get_fp_transport_type();
if (IS_ENABLED(CONFIG_USART_HOST_COMMAND) &&
curr_transport_type == FP_TRANSPORT_TYPE_UART)
ret_status = usart_get_protocol_info(args);
else if (IS_ENABLED(CONFIG_SPI) &&
curr_transport_type == FP_TRANSPORT_TYPE_SPI)
ret_status = spi_get_protocol_info(args);
return ret_status;
}
DECLARE_HOST_COMMAND(EC_CMD_GET_PROTOCOL_INFO,
host_command_protocol_info,
EC_VER_MASK(0));
#endif /* CONFIG_I2C_PERIPHERAL */
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