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Diffstat (limited to 'sys/dev/nand/nand_if.m')
| -rw-r--r-- | sys/dev/nand/nand_if.m | 168 |
1 files changed, 168 insertions, 0 deletions
diff --git a/sys/dev/nand/nand_if.m b/sys/dev/nand/nand_if.m new file mode 100644 index 0000000..49c8879 --- /dev/null +++ b/sys/dev/nand/nand_if.m @@ -0,0 +1,168 @@ +#- +# 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 chip interface description +# + +#include <sys/bus.h> +#include <dev/nand/nand.h> + +INTERFACE nand; + +CODE { + static int nand_method_not_supported(device_t dev) + { + return (ENOENT); + } +}; + +# Read NAND page +# +# Return values: +# 0: Success +# +METHOD int read_page { + device_t dev; + uint32_t page; + void* buf; + uint32_t len; + uint32_t offset; +}; + +# Program NAND page +# +# Return values: +# 0: Success +# +METHOD int program_page { + device_t dev; + uint32_t page; + void* buf; + uint32_t len; + uint32_t offset; +}; + +# Program NAND page interleaved +# +# Return values: +# 0: Success +# +METHOD int program_page_intlv { + device_t dev; + uint32_t page; + void* buf; + uint32_t len; + uint32_t offset; +} DEFAULT nand_method_not_supported; + +# Read NAND oob +# +# Return values: +# 0: Success +# +METHOD int read_oob { + device_t dev; + uint32_t page; + void* buf; + uint32_t len; + uint32_t offset; +}; + +# Program NAND oob +# +# Return values: +# 0: Success +# +METHOD int program_oob { + device_t dev; + uint32_t page; + void* buf; + uint32_t len; + uint32_t offset; +}; + +# Erase NAND block +# +# Return values: +# 0: Success +# +METHOD int erase_block { + device_t dev; + uint32_t block; +}; + +# Erase NAND block interleaved +# +# Return values: +# 0: Success +# +METHOD int erase_block_intlv { + device_t dev; + uint32_t block; +} DEFAULT nand_method_not_supported; + +# NAND get status +# +# Return values: +# 0: Success +# +METHOD int get_status { + device_t dev; + uint8_t *status; +}; + +# NAND check if block is bad +# +# Return values: +# 0: Success +# +METHOD int is_blk_bad { + device_t dev; + uint32_t block_number; + uint8_t *bad; +}; + +# NAND get ECC +# +# +METHOD int get_ecc { + device_t dev; + void *buf; + void *ecc; + int *needwrite; +}; + +# NAND correct ECC +# +# +METHOD int correct_ecc { + device_t dev; + void *buf; + void *readecc; + void *calcecc; +}; + |
