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* This file is part of the flashrom project.
* Copyright 2013 Google Inc.
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* GNU General Public License for more details.
#ifndef __CROS_EC_H_
#define __CROS_EC_H_
/* FIXME: We should be able to forward declare enum ec_current_image here
* instead of including cros_ec_ec_commands.h */
#include "cros_ec_commands.h"
#include "programmer.h"
struct cros_ec_priv {
int detected;
enum ec_current_image current_image;
struct ec_response_flash_region_info *region;
int (*ec_command)(int command, int ver, const void *indata, int insize,
void *outdata, int outsize);
* Latest kernel supports handling of several ECs in the system.
* To use that feature, the proper device file should be used:
* The format is /dev/cros_XX, where XX is the type of device:
* - ec: the main EC
* - pd: the Power Delivery EC
* - sh: the Sensor Hub EC.
const char* dev;
* Some CrOS ECs support page write mode for their flash memory. This
* represents the ideal size of a data payload to write to flash.
unsigned int ideal_write_size;
* Allow block size to be overwritten in case the EC is incorrect.
unsigned int erase_block_size;
extern struct cros_ec_priv *cros_ec_priv;
int cros_ec_probe_size(struct flashctx *flash);
int cros_ec_block_erase(struct flashctx *flash,
unsigned int blockaddr, unsigned int len);
int cros_ec_read(struct flashctx *flash, uint8_t *readarr,
unsigned int blockaddr, unsigned int readcnt);
int cros_ec_write(struct flashctx *flash, const uint8_t *buf, unsigned int addr,
unsigned int nbytes);
#endif /* __CROS_EC_H_ */