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/* Copyright (c) 2012 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 COMM_HOST_H
#define COMM_HOST_H
#include <stdint.h>
/* Perform initializations needed for subsequent requests
*
* returns 0 in case of success or error code. */
int comm_init(void);
/*
* Send a command to the EC. Returns the length of output data returned (0 if
* none), or a negative number if error; errors are -EC_RES_* constants from
* ec_commands.h.
*/
int ec_command(int command, const void *indata, int insize,
void *outdata, int outsize);
/*
* Return the content of the EC information area mapped as "memory".
* The offsets are defined by the EC_MEMMAP_ constants.
*/
uint8_t read_mapped_mem8(uint8_t offset);
uint16_t read_mapped_mem16(uint8_t offset);
uint32_t read_mapped_mem32(uint8_t offset);
int read_mapped_string(uint8_t offset, char *buf);
#endif /* COMM_HOST_H */
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