blob: eacc09f2e0a53a828596ed9c320ca7b261f09a5c [file] [log] [blame]
/*
* This file is part of the flashrom project.
*
* Copyright (C) 2011,2013,2014 Carl-Daniel Hailfinger
*
* 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; version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
/*
* Contains the opaque master framework.
* An opaque master is a master which does not provide direct access
* to the flash chip and which abstracts all flash chip properties into a
* master specific interface.
*/
#include <stdint.h>
#include "flash.h"
#include "flashchips.h"
#include "chipdrivers.h"
#include "programmer.h"
int probe_opaque(struct flashctx *flash)
{
return flash->mst.opaque->probe(flash);
}
int read_opaque(struct flashctx *flash, uint8_t *buf, unsigned int start, unsigned int len)
{
return flash->mst.opaque->read(flash, buf, start, len);
}
int write_opaque(struct flashctx *flash, const uint8_t *buf, unsigned int start, unsigned int len)
{
return flash->mst.opaque->write(flash, buf, start, len);
}
int erase_opaque(struct flashctx *flash, unsigned int blockaddr, unsigned int blocklen)
{
return flash->mst.opaque->erase(flash, blockaddr, blocklen);
}
int register_opaque_master(const struct opaque_master *mst, void *data)
{
struct registered_master rmst;
if (mst->shutdown) {
if (register_shutdown(mst->shutdown, data)) {
mst->shutdown(data); /* cleanup */
return 1;
}
}
if (!mst->probe || !mst->read || !mst->write || !mst->erase) {
msg_perr("%s called with incomplete master definition.\n"
"Please report a bug at flashprog@flashprog.org\n",
__func__);
return ERROR_FLASHPROG_BUG;
}
rmst.max_rom_decode = MAX_ROM_DECODE_UNLIMITED;
rmst.buses_supported = BUS_PROG;
rmst.opaque = *mst;
if (data)
rmst.opaque.data = data;
return register_master(&rmst);
}