0
  +   €l–Ь4э( ©і( 	ЕЂfаB¦-яА„‚?_†I|ҐЏ+АД ?\    /* SPDX-License-Identifier: GPL-2.0 */
/*
 * Copyright (c) 2016-2017 Micron Technology, Inc.
 *
 *  Authors:
 *	Peter Pan <peterpandong@micron.com>
 */
#ifndef __LINUX_MTD_SPINAND_H
#define __LINUX_MTD_SPINAND_H

#include <linux/mutex.h>
#include <linux/bitops.h>
#include <linux/device.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/nand.h>
#include <linux/spi/spi.h>
#include <linux/spi/spi-mem.h>

/**
 * Standard SPI NAND flash operations
 */

#define SPINAND_RESET_OP						\
	SPI_MEM_OP(SPI_MEM_OP_CMD(0xff, 1),				\
		   SPI_MEM_OP_NO_ADDR,					\
		   SPI_MEM_OP_NO_DUMMY,					\
		   SPI_MEM_OP_NO_DATA)

#define SPINAND_WR_EN_DIS_OP(enable)					\
	SPI_MEM_OP(SPI_MEM_OP_CMD((enable) ? 0x06 : 0x04, 1),		\
		   SPI_MEM_OP_NO_ADDR,					\
		   SPI_MEM_OP_NO_DUMMY,					\
		   SPI_MEM_OP_NO_DATA)

#define SPINAND_READID_OP(naddr, ndummy, buf, len)			\
	SPI_MEM_OP(SPI_MEM_OP_CMD(0x9f, 1),				\
		   SPI_MEM_OP_ADDR(naddr, 0, 1),			\
		   SPI_MEM_OP_DUMMY(ndummy, 1),				\
		   SPI_MEM_OP_DATA_IN(len, buf, 1))

#define SPINAND_SET_FEATURE_OP(reg, valptr)				\
	SPI_MEM_OP(SPI_MEM_OP_CMD(0x1f, 1),				\
		   SPI_MEM_OP_ADDR(1, reg, 1),				\
		   SPI_MEM_OP_NO_DUMMY,					\
		   SPI_MEM_OP_DATA_OUT(1, valptr, 1))

#define SPINAND_GET_FEATURE_OP(reg, valptr)				\
	SPI_MEM_OP(SPI_MEM_OP_CMD(0x0f, 1),				\
		   SPI_MEM_OP_ADDR(1, reg, 1),				\
		   SPI_MEM_OP_NO_DUMMY,					\
		   SPI_MEM_OP_DATA_IN(1, valptr, 1))

#define SPINAND_BLK_ERASE_OP(addr)					\
	SPI_MEM_OP(SPI_MEM_OP_CMD(0xd8, 1),				\
		   SPI_MEM_OP_ADDR(3, addr, 1),				\
		   SPI_MEM_OP_NO_DUMMY,					\
		   SPI_MEM_OP_NO_DATA)

#define SPINAND_PAGE_READ_OP(addr)					\
	SPI_MEM_OP(SPI_MEM_OP_CMD(0x13, 1),				\
		   SPI_MEM_OP_ADDR(3, addr, 1),				\
		   SPI_MEM_OP_NO_DUMMY,					\
		   SPI_MEM_OP_NO_DATA)

#define SPINAND_PAGE_READ_FROM_CACHE_OP(fast, addr, ndummy, buf, len)	\
	SPI_MEM_OP(SPI_MEM_OP_CMD(fast ? 0x0b : 0x03, 1),		\
		   SPI_MEM_OP_ADDR(2, addr, 1),				\
		   SPI_MEM_OP_DUMMY(ndummy, 1),				\
		   SPI_MEM_OP_DATA_IN(len, buf, 1))

#define SPINAND_PAGE_READ_FROM_CACHE_OP_3A(fast, addr, ndummy, buf, len) \
	SPI_MEM_OP(SPI_MEM_OP_CMD(fast ? 0x0b : 0x03, 1),		\
		   SPI_MEM_OP_ADDR(3, addr, 1),				\
		   SPI_MEM_OP_DUMMY(ndummy, 1),				\
		   SPI_MEM_OP_DATA_IN(len, buf, 1))

#define SPINAND_PAGE_READ_FROM_CACHE_X2_OP(addr, ndummy, buf, len)	\
	SPI_MEM_OP(SPI_MEM_OP_CMD(0x3b, 1),				\
		   SPI_MEM_OP_ADDR(2, addr, 1),				\
		   SPI_MEM_OP_DUMMY(ndummy, 1),				\
		   SPI_MEM_OP_DATA_IN(len, buf, 2))

#define SPINAND_PAGE_READ_FROM_CACHE_X2_OP_3A(addr, ndummy, buf, len)	\
	SPI_MEM_OP(SPI_MEM_OP_CMD(0x3b, 1),				\
		   SPI_MEM_OP_ADDR(3, addr, 1),				\
		   SPI_MEM_OP_DUMMY(ndummy, 1),				\
		   SPI_MEM_OP_DATA_IN(len, buf, 2))

#define SPINAND_PAGE_READ_FROM_CACHE_X4_OP(addr, ndummy, buf, len)	\
	SPI_MEM_OP(SPI_MEM_OP_CMD(0x6b, 1),				\
		   SPI_MEM_OP_ADDR(2, addr, 1),				\
		   SPI_MEM_OP_DUMMY(ndummy, 1),				\
		   SPI_MEM_OP_DATA_IN(len, buf, 4))

#define SPINAND_PAGE_READ_FROM_CACHE_X4_OP_3A(addr, ndummy, buf, len)	\
	SPI_MEM_OP(SPI_MEM_OP_CMD(0x6b, 1),				\
		   SPI_MEM_OP_ADDR(3, addr, 1),				\
		   SPI_MEM_OP_DUMMY(ndummy, 1),				\
		   SPI_MEM_OP_DATA_IN(len, buf, 4))

#define SPINAND_PAGE_READ_FROM_CACHE_DUALIO_OP(addr, ndummy, buf, len)	\
	SPI_MEM_OP(SPI_MEM_OP_CMD(0xbb, 1),				\
		   SPI_MEM_OP_ADDR(2, addr, 2),				\
		   SPI_MEM_OP_DUMMY(ndummy, 2),				\
		   SPI_MEM_OP_DATA_IN(len, buf, 2))

#define SPINAND_PAGE_READ_FROM_CACHE_DUALIO_OP_3A(addr, ndummy, buf, len) \
	SPI_MEM_OP(SPI_MEM_OP_CMD(0xbb, 1),				\
		   SPI_MEM_OP_ADDR(3, addr, 2),				\
		   SPI_MEM_OP_DUMMY(ndummy, 2),				\
		   SPI_MEM_OP_DATA_IN(len, buf, 2))

#define SPINAND_PAGE_READ_FROM_CACHE_QUADIO_OP(addr, ndummy, buf, len)	\
	SPI_MEM_OP(SPI_MEM_OP_CMD(0xeb, 1),				\
		   SPI_MEM_OP_ADDR(2, addr, 4),				\
		   SPI_MEM_OP_DUMMY(ndummy, 4),				\
		   SPI_MEM_OP_DATA_IN(len, buf, 4))

#define SPINAND_PAGE_READ_FROM_CACHE_QUADIO_OP_3A(addr, ndummy, buf, len) \
	SPI_MEM_OP(SPI_MEM_OP_CMD(0xeb, 1),				\
		   SPI_MEM_OP_ADDR(3, addr