mirror of
https://github.com/hardkernel/kernel_common_drivers.git
synced 2026-06-25 12:03:48 +09:00
Bichao Zheng
540d825988
PD#SWPL-133132 Problem: adopt new spi flash controller with ecc engine Solution: add a new spi nfc flash driver Verify: s1a Change-Id: I551d27ac29effe2bd0bb090a8cc9bc9897080a20 Signed-off-by: Bichao Zheng <bichao.zheng@amlogic.com>
42 lines
1.3 KiB
C
42 lines
1.3 KiB
C
/* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */
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/*
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* Copyright (c) 2019 Amlogic, Inc. All rights reserved.
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*/
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#ifndef __AML_SPI_MEM_H_
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#define __AML_SPI_MEM_H_
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#include <linux/mtd/mtd.h>
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#include <linux/spi/spi-mem.h>
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/* spi nfc needed */
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#define SPI_XFER_OOB BIT(4)
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#define SPI_XFER_RAW BIT(5)
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#define SPI_XFER_AUTO_OOB BIT(6)
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#define SPI_XFER_OOB_ONLY BIT(7)
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#define SPI_XFER_NFC_MASK_FLAG \
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(SPI_XFER_OOB | SPI_XFER_RAW | \
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SPI_XFER_AUTO_OOB | SPI_XFER_OOB_ONLY)
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void spi_mem_set_xfer_flag(u8 flag);
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u8 spi_mem_get_xfer_flag(void);
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void spi_mem_umask_xfer_flags(void);
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void spi_mem_set_mtd(struct mtd_info *mtd);
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struct mtd_info *spi_mem_get_mtd(void);
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int meson_spi_mem_exec_op(struct spi_mem *mem,
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const struct spi_mem_op *op);
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ssize_t meson_spi_mem_dirmap_write(struct spi_mem_dirmap_desc *desc,
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u64 offs, size_t len,
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const void *buf);
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int meson_spi_mem_poll_status(struct spi_mem *mem,
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const struct spi_mem_op *op,
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u16 mask,
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u16 match,
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unsigned long initial_delay_us,
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unsigned long polling_delay_us,
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u16 timeout_ms);
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ssize_t meson_spi_mem_dirmap_read(struct spi_mem_dirmap_desc *desc,
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u64 offs,
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size_t len,
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void *buf);
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#endif
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