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/* Copyright 2021 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.
*/
#ifndef __BOARD_TANIKS_FW_CONFIG_H_
#define __BOARD_TANIKS_FW_CONFIG_H_
#include <stdint.h>
/****************************************************************************
* CBI FW_CONFIG layout for Taniks board.
*
* Source of truth is the project/taniks/taniks/config.star configuration file.
*/
enum ec_cfg_usb_db_type {
DB_USB_ABSENT = 0,
DB_USB3_PS8815 = 1
};
enum ec_cfg_keyboard_backlight_type {
KEYBOARD_BACKLIGHT_DISABLED = 0,
KEYBOARD_BACKLIGHT_ENABLED = 1
};
enum ec_cfg_tabletmode_type {
TABLETMODE_DISABLED = 0,
TABLETMODE_ENABLED = 1
};
union taniks_cbi_fw_config {
struct {
enum ec_cfg_usb_db_type usb_db : 2;
uint32_t sd_db : 2;
enum ec_cfg_keyboard_backlight_type kb_bl : 1;
uint32_t audio : 3;
uint32_t reserved_1 : 6;
/* b/211079131 - Fw config structure
* b/211076082 - Move tablet mode to bit14
* bit8-9: kb_layout
* bit10-11: wifi_sar_id,
* bit12: nvme
* bit13: emmc
*/
enum ec_cfg_tabletmode_type tabletmode : 1;
uint32_t reserved_2 : 17;
};
uint32_t raw_value;
};
/**
* Read the cached FW_CONFIG. Guaranteed to have valid values.
*
* @return the FW_CONFIG for the board.
*/
union taniks_cbi_fw_config get_fw_config(void);
/**
* Get the USB daughter board type from FW_CONFIG.
*
* @return the USB daughter board type.
*/
enum ec_cfg_usb_db_type ec_cfg_usb_db_type(void);
/**
* Check if the FW_CONFIG has enabled keyboard backlight.
*
* @return true if board supports keyboard backlight, false if the board
* doesn't support it.
*/
bool ec_cfg_has_keyboard_backlight(void);
/**
* Check if the FW_CONFIG has enabled tablet mode.
*
* @return true if board supports tablet mode, false if the board
* doesn't support it.
*/
bool ec_cfg_has_tabletmode(void);
#endif /* __BOARD_TANIKS_FW_CONFIG_H_ */
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