1 files changed, 49 insertions, 0 deletions
diff --git a/include/linux/mtd/nand-ecc-mxic.h b/include/linux/mtd/nand-ecc-mxic.h
new file mode 100644
index 000000000000..b125926e458c
--- /dev/null
+++ b/include/linux/mtd/nand-ecc-mxic.h
@@ -0,0 +1,49 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright © 2019 Macronix
+ * Author: Miquèl Raynal <miquel.raynal@bootlin.com>
+ *
+ * Header for the Macronix external ECC engine.
+ */
+
+#ifndef __MTD_NAND_ECC_MXIC_H__
+#define __MTD_NAND_ECC_MXIC_H__
+
+#include <linux/platform_device.h>
+#include <linux/device.h>
+
+struct mxic_ecc_engine;
+
+#if IS_ENABLED(CONFIG_MTD_NAND_ECC_MXIC) && IS_REACHABLE(CONFIG_MTD_NAND_CORE)
+
+struct nand_ecc_engine_ops *mxic_ecc_get_pipelined_ops(void);
+struct nand_ecc_engine *mxic_ecc_get_pipelined_engine(struct platform_device *spi_pdev);
+void mxic_ecc_put_pipelined_engine(struct nand_ecc_engine *eng);
+int mxic_ecc_process_data_pipelined(struct nand_ecc_engine *eng,
+				    unsigned int direction, dma_addr_t dirmap);
+
+#else /* !CONFIG_MTD_NAND_ECC_MXIC */
+
+static inline struct nand_ecc_engine_ops *mxic_ecc_get_pipelined_ops(void)
+{
+	return NULL;
+}
+
+static inline struct nand_ecc_engine *
+mxic_ecc_get_pipelined_engine(struct platform_device *spi_pdev)
+{
+	return ERR_PTR(-EOPNOTSUPP);
+}
+
+static inline void mxic_ecc_put_pipelined_engine(struct nand_ecc_engine *eng) {}
+
+static inline int mxic_ecc_process_data_pipelined(struct nand_ecc_engine *eng,
+						  unsigned int direction,
+						  dma_addr_t dirmap)
+{
+	return -EOPNOTSUPP;
+}
+
+#endif /* CONFIG_MTD_NAND_ECC_MXIC */
+
+#endif /* __MTD_NAND_ECC_MXIC_H__ */