61 lines
1.9 KiB
C
61 lines
1.9 KiB
C
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/* Copyright 2019 The Chromium OS Authors. All rights reserved.
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "common.h"
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#include "compile_time_macros.h"
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#include "ec_commands.h"
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#include "host_command.h"
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#include "usb_pd_tcpm.h"
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#ifdef CONFIG_HOSTCMD_LOCATE_CHIP
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static enum ec_status hc_locate_chip(struct host_cmd_handler_args *args)
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{
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const struct ec_params_locate_chip *params = args->params;
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struct ec_response_locate_chip *resp = args->response;
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switch (params->type) {
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case EC_CHIP_TYPE_CBI_EEPROM:
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#ifdef CONFIG_CROS_BOARD_INFO
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if (params->index >= 1)
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return EC_RES_OVERFLOW;
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resp->bus_type = EC_BUS_TYPE_I2C;
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resp->i2c_info.port = I2C_PORT_EEPROM;
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resp->i2c_info.addr_flags = I2C_ADDR_EEPROM_FLAGS;
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#else
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/* Lookup type is supported, but not present on system. */
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return EC_RES_UNAVAILABLE;
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#endif /* CONFIG_CROS_BOARD_INFO */
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break;
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case EC_CHIP_TYPE_TCPC:
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#if defined(CONFIG_USB_PD_PORT_COUNT) && !defined(CONFIG_USB_PD_TCPC)
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if (params->index >= CONFIG_USB_PD_PORT_COUNT)
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return EC_RES_OVERFLOW;
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resp->bus_type = tcpc_config[params->index].bus_type;
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if (resp->bus_type == EC_BUS_TYPE_I2C) {
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resp->i2c_info.port =
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tcpc_config[params->index].i2c_info.port;
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resp->i2c_info.addr_flags =
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tcpc_config[params->index].i2c_info.addr_flags;
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}
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#ifdef CONFIG_INTEL_VIRTUAL_MUX
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resp->reserved = tcpc_config[params->index].usb23;
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#endif
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#else
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return EC_RES_UNAVAILABLE;
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#endif /* CONFIG_USB_PD_PORT_COUNT */
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break;
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default:
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/* The type was unrecognized */
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return EC_RES_INVALID_PARAM;
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}
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args->response_size = sizeof(*resp);
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return EC_RES_SUCCESS;
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}
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DECLARE_HOST_COMMAND(EC_CMD_LOCATE_CHIP, hc_locate_chip, EC_VER_MASK(0));
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/* If the params union expands in the future, need to bump EC_VER_MASK */
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BUILD_ASSERT(sizeof(struct ec_params_locate_chip) == 4);
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#endif /* CONFIG_HOSTCMD_LOCATE_CHIP */
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