linux_dsm_epyc7002/drivers/mtd/nand/raw/mtk_ecc.h
Xiaolei Li b74e6985bf mtd: rawnand: mtk: Re-license MTK NAND driver as Dual MIT/GPL
It is wanted to use MTK NAND driver with GPL-2.0 or MIT license.
But now it is only licensed as GPL-2.0, so re-license it as dual
MIT/GPL.

Signed-off-by: Xiaolei Li <xiaolei.li@mediatek.com>
Acked-by: Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@linaro.org>
Acked-by: Ryder Lee <ryder.lee@mediatek.com>
Acked-by: Rafał Miłecki <rafal@milecki.pl>
Acked-by: Miquel Raynal <miquel.raynal@bootlin.com>
Acked-by: Boris Brezillon <boris.brezillon@collabora.com>
Acked-by: Wen Yang <yellowriver2010@hotmail.com>
Acked-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Acked-by: RogerCC Lin <rogercc.lin@mediatek.com>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
2019-06-27 20:07:46 +02:00

48 lines
1.2 KiB
C

/* SPDX-License-Identifier: GPL-2.0 OR MIT */
/*
* MTK SDG1 ECC controller
*
* Copyright (c) 2016 Mediatek
* Authors: Xiaolei Li <xiaolei.li@mediatek.com>
* Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@linaro.org>
*/
#ifndef __DRIVERS_MTD_NAND_MTK_ECC_H__
#define __DRIVERS_MTD_NAND_MTK_ECC_H__
#include <linux/types.h>
enum mtk_ecc_mode {ECC_DMA_MODE = 0, ECC_NFI_MODE = 1};
enum mtk_ecc_operation {ECC_ENCODE, ECC_DECODE};
struct device_node;
struct mtk_ecc;
struct mtk_ecc_stats {
u32 corrected;
u32 bitflips;
u32 failed;
};
struct mtk_ecc_config {
enum mtk_ecc_operation op;
enum mtk_ecc_mode mode;
dma_addr_t addr;
u32 strength;
u32 sectors;
u32 len;
};
int mtk_ecc_encode(struct mtk_ecc *, struct mtk_ecc_config *, u8 *, u32);
void mtk_ecc_get_stats(struct mtk_ecc *, struct mtk_ecc_stats *, int);
int mtk_ecc_wait_done(struct mtk_ecc *, enum mtk_ecc_operation);
int mtk_ecc_enable(struct mtk_ecc *, struct mtk_ecc_config *);
void mtk_ecc_disable(struct mtk_ecc *);
void mtk_ecc_adjust_strength(struct mtk_ecc *ecc, u32 *p);
unsigned int mtk_ecc_get_parity_bits(struct mtk_ecc *ecc);
struct mtk_ecc *of_mtk_ecc_get(struct device_node *);
void mtk_ecc_release(struct mtk_ecc *);
#endif