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/* Copyright 2019 The ChromiumOS Authors
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "common.h"
#include "compile_time_macros.h"
#include "ec_commands.h"
#include "host_command.h"
#include "usb_pd.h"
#include "usb_pd_tcpm.h"
#ifdef CONFIG_HOSTCMD_LOCATE_CHIP
static enum ec_status hc_locate_chip(struct host_cmd_handler_args *args)
{
const struct ec_params_locate_chip *params = args->params;
struct ec_response_locate_chip *resp = args->response;
switch (params->type) {
case EC_CHIP_TYPE_CBI_EEPROM:
#ifdef CONFIG_CBI_EEPROM
if (params->index >= 1)
return EC_RES_OVERFLOW;
resp->bus_type = EC_BUS_TYPE_I2C;
resp->i2c_info.port = I2C_PORT_EEPROM;
resp->i2c_info.addr_flags = I2C_ADDR_EEPROM_FLAGS;
#else
/* Lookup type is supported, but not present on system. */
return EC_RES_UNAVAILABLE;
#endif /* CONFIG_CBI_EEPROM */
break;
case EC_CHIP_TYPE_TCPC:
#if defined(CONFIG_USB_POWER_DELIVERY) && defined(CONFIG_USB_PD_PORT_MAX_COUNT) && !defined(CONFIG_USB_PD_TCPC)
if (params->index >= board_get_usb_pd_port_count())
return EC_RES_OVERFLOW;
resp->bus_type = tcpc_config[params->index].bus_type;
if (resp->bus_type == EC_BUS_TYPE_I2C) {
resp->i2c_info.port =
tcpc_config[params->index].i2c_info.port;
resp->i2c_info.addr_flags =
tcpc_config[params->index].i2c_info.addr_flags;
}
#else
return EC_RES_UNAVAILABLE;
#endif /* CONFIG_USB_PD_PORT_MAX_COUNT */
break;
default:
/* The type was unrecognized */
return EC_RES_INVALID_PARAM;
}
args->response_size = sizeof(*resp);
return EC_RES_SUCCESS;
}
DECLARE_HOST_COMMAND(EC_CMD_LOCATE_CHIP, hc_locate_chip, EC_VER_MASK(0));
/* If the params union expands in the future, need to bump EC_VER_MASK */
BUILD_ASSERT(sizeof(struct ec_params_locate_chip) == 4);
#endif /* CONFIG_HOSTCMD_LOCATE_CHIP */
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