Files
OpenCellular/util/comm-host.h
Randall Spangler d04f511b71 Tidy util headers and make ec_commands.h not include other headers
In preparation for being able to copy ec_commands.h to u-boot, which
is itself in preparation for u-boot picking it up from /usr/src/ec/

BUG=none
TEST=make link, snow, bds

Change-Id: If256434b6722ff0787ce21a8ed4c7035c28024a8
Signed-off-by: Randall Spangler <rspangler@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/26451
Reviewed-by: Stefan Reinauer <reinauer@chromium.org>
2012-06-29 14:16:47 -07:00

35 lines
1015 B
C

/* 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 "common.h"
#include "ec_commands.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 */