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/* SPDX-License-Identifier: GPL-2.0 */
/*
* LPC interface for ChromeOS Embedded Controller
*
* Copyright (C) 2016 Google, Inc
*/
#ifndef __CROS_EC_LPC_REG_H
#define __CROS_EC_LPC_REG_H
/**
* cros_ec_lpc_read_bytes - Read bytes from a given LPC-mapped address.
* Returns 8-bit checksum of all bytes read.
*
* @offset: Base read address
* @length: Number of bytes to read
* @dest: Destination buffer
*/
u8 cros_ec_lpc_read_bytes(unsigned int offset, unsigned int length, u8 *dest);
/**
* cros_ec_lpc_write_bytes - Write bytes to a given LPC-mapped address.
* Returns 8-bit checksum of all bytes written.
*
* @offset: Base write address
* @length: Number of bytes to write
* @msg: Write data buffer
*/
u8 cros_ec_lpc_write_bytes(unsigned int offset, unsigned int length, u8 *msg);
/**
* cros_ec_lpc_reg_init
*
* Initialize register I/O.
*/
void cros_ec_lpc_reg_init(void);
/**
* cros_ec_lpc_reg_destroy
*
* Cleanup reg I/O.
*/
void cros_ec_lpc_reg_destroy(void);
#endif /* __CROS_EC_LPC_REG_H */
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