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#-
# Copyright (C) 2009-2012 Semihalf
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#
# $FreeBSD$
# NAND controller interface description
#
#include <sys/bus.h>
#include <dev/nand/nand.h>
INTERFACE nfc;
CODE {
static int nfc_default_method(device_t dev)
{
return (0);
}
static int nfc_softecc_get(device_t dev, void *buf, int pagesize,
void *ecc, int *needwrite)
{
*needwrite = 1;
return (nand_softecc_get(dev, buf, pagesize, ecc));
}
static int nfc_softecc_correct(device_t dev, void *buf, int pagesize,
void *readecc, void *calcecc)
{
return (nand_softecc_correct(dev, buf, pagesize, readecc,
calcecc));
}
};
# Send command to a NAND chip
#
# Return values:
# 0: Success
#
METHOD int send_command {
device_t dev;
uint8_t command;
};
# Send address to a NAND chip
#
# Return values:
# 0: Success
#
METHOD int send_address {
device_t dev;
uint8_t address;
};
# Read byte
#
# Return values:
# byte read
#
METHOD uint8_t read_byte {
device_t dev;
};
# Write byte
#
METHOD void write_byte {
device_t dev;
uint8_t byte;
};
# Read word
#
# Return values:
# word read
#
METHOD uint16_t read_word {
device_t dev;
};
# Write word
#
METHOD void write_word {
device_t dev;
uint16_t word;
};
# Read buf
#
METHOD void read_buf {
device_t dev;
void *buf;
uint32_t len;
};
# Write buf
#
METHOD void write_buf {
device_t dev;
void *buf;
uint32_t len;
};
# Select CS
#
METHOD int select_cs {
device_t dev;
uint8_t cs;
};
# Read ready/busy signal
#
METHOD int read_rnb {
device_t dev;
};
# Start command
#
# Return values:
# 0: Success
#
METHOD int start_command {
device_t dev;
} DEFAULT nfc_default_method;
# Generate ECC or get it from H/W
#
METHOD int get_ecc {
device_t dev;
void *buf;
int pagesize;
void *ecc;
int *needwrite;
} DEFAULT nfc_softecc_get;
# Correct ECC
#
METHOD int correct_ecc {
device_t dev;
void *buf;
int pagesize;
void *readecc;
void *calcecc;
} DEFAULT nfc_softecc_correct;
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