Initial commit

target/linux/mediatek/files-5.10/drivers/mtd/mtk-snand/mtk-snand.h

@@ -0,0 +1,76 @@
+/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
+/*
+ * Copyright (C) 2020 MediaTek Inc. All Rights Reserved.
+ *
+ * Author: Weijie Gao <weijie.gao@mediatek.com>
+ */
+
+#ifndef _MTK_SNAND_H_
+#define _MTK_SNAND_H_
+
+#ifndef PRIVATE_MTK_SNAND_HEADER
+#include <stddef.h>
+#include <stdint.h>
+#include <stdbool.h>
+#endif
+
+enum mtk_snand_soc {
+	SNAND_SOC_MT7622,
+	SNAND_SOC_MT7629,
+
+	__SNAND_SOC_MAX
+};
+
+struct mtk_snand_platdata {
+	void *nfi_base;
+	void *ecc_base;
+	enum mtk_snand_soc soc;
+	bool quad_spi;
+};
+
+struct mtk_snand_chip_info {
+	const char *model;
+	uint64_t chipsize;
+	uint32_t blocksize;
+	uint32_t pagesize;
+	uint32_t sparesize;
+	uint32_t spare_per_sector;
+	uint32_t fdm_size;
+	uint32_t fdm_ecc_size;
+	uint32_t num_sectors;
+	uint32_t sector_size;
+	uint32_t ecc_strength;
+	uint32_t ecc_bytes;
+};
+
+struct mtk_snand;
+struct snand_flash_info;
+
+int mtk_snand_init(void *dev, const struct mtk_snand_platdata *pdata,
+		   struct mtk_snand **psnf);
+int mtk_snand_cleanup(struct mtk_snand *snf);
+
+int mtk_snand_chip_reset(struct mtk_snand *snf);
+int mtk_snand_read_page(struct mtk_snand *snf, uint64_t addr, void *buf,
+			void *oob, bool raw);
+int mtk_snand_write_page(struct mtk_snand *snf, uint64_t addr, const void *buf,
+			 const void *oob, bool raw);
+int mtk_snand_erase_block(struct mtk_snand *snf, uint64_t addr);
+int mtk_snand_block_isbad(struct mtk_snand *snf, uint64_t addr);
+int mtk_snand_block_markbad(struct mtk_snand *snf, uint64_t addr);
+int mtk_snand_fill_oob(struct mtk_snand *snf, uint8_t *oobraw,
+		       const uint8_t *oobbuf, size_t ooblen);
+int mtk_snand_transfer_oob(struct mtk_snand *snf, uint8_t *oobbuf,
+			   size_t ooblen, const uint8_t *oobraw);
+int mtk_snand_read_page_auto_oob(struct mtk_snand *snf, uint64_t addr,
+				 void *buf, void *oob, size_t ooblen,
+				 size_t *actualooblen, bool raw);
+int mtk_snand_write_page_auto_oob(struct mtk_snand *snf, uint64_t addr,
+				  const void *buf, const void *oob,
+				  size_t ooblen, size_t *actualooblen,
+				  bool raw);
+int mtk_snand_get_chip_info(struct mtk_snand *snf,
+			    struct mtk_snand_chip_info *info);
+int mtk_snand_irq_process(struct mtk_snand *snf);
+
+#endif /* _MTK_SNAND_H_ */