/* 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 */