633  * the randomizer engine does internally before de/scrambling OOB data.
818 static void sunxi_nfc_hw_ecc_get_prot_oob_bytes(struct mtd_info *mtd, u8 *oob,  in sunxi_nfc_hw_ecc_get_prot_oob_bytes()  argument
825 				   oob);  in sunxi_nfc_hw_ecc_get_prot_oob_bytes()
829 		sunxi_nfc_randomize_bbm(mtd, page, oob);  in sunxi_nfc_hw_ecc_get_prot_oob_bytes()
833 						const u8 *oob, int step,  in sunxi_nfc_hw_ecc_set_prot_oob_bytes()  argument
842 		memcpy(user_data, oob, sizeof(user_data));  in sunxi_nfc_hw_ecc_set_prot_oob_bytes()
844 		oob = user_data;  in sunxi_nfc_hw_ecc_set_prot_oob_bytes()
847 	writel(sunxi_nfc_buf_to_user_data(oob),  in sunxi_nfc_hw_ecc_set_prot_oob_bytes()
862 static int sunxi_nfc_hw_ecc_correct(struct mtd_info *mtd, u8 *data, u8 *oob,  in sunxi_nfc_hw_ecc_correct()  argument
888 		if (oob)  in sunxi_nfc_hw_ecc_correct()
889 			memset(oob, pattern, ecc->bytes + 4);  in sunxi_nfc_hw_ecc_correct()
901 				       u8 *oob, int oob_off,  in sunxi_nfc_hw_ecc_read_chunk()  argument
936 	ret = sunxi_nfc_hw_ecc_correct(mtd, data, oob_required ? oob : NULL, 0,  in sunxi_nfc_hw_ecc_read_chunk()
954 		nand_change_read_column_op(nand, oob_off, oob, ecc->bytes + 4,  in sunxi_nfc_hw_ecc_read_chunk()
958 						  oob, ecc->bytes + 4,  in sunxi_nfc_hw_ecc_read_chunk()
968 			sunxi_nfc_randomizer_read_buf(mtd, oob, ecc->bytes + 4,  in sunxi_nfc_hw_ecc_read_chunk()
971 			sunxi_nfc_hw_ecc_get_prot_oob_bytes(mtd, oob, 0,  in sunxi_nfc_hw_ecc_read_chunk()
982 					    u8 *oob, int *cur_off,  in sunxi_nfc_hw_ecc_read_extra_oob()  argument
998 		sunxi_nfc_read_buf(mtd, oob + offset, len);  in sunxi_nfc_hw_ecc_read_extra_oob()
1000 		sunxi_nfc_randomizer_read_buf(mtd, oob + offset, len,  in sunxi_nfc_hw_ecc_read_extra_oob()
1059 		u8 *oob = nand->oob_poi + oob_off;  in sunxi_nfc_hw_ecc_read_chunks_dma()  local
1063 					       oob_required ? oob : NULL,  in sunxi_nfc_hw_ecc_read_chunks_dma()
1071 			/* TODO: use DMA to retrieve OOB */  in sunxi_nfc_hw_ecc_read_chunks_dma()
1074 						   oob, ecc->bytes + 4, false);  in sunxi_nfc_hw_ecc_read_chunks_dma()
1076 			sunxi_nfc_hw_ecc_get_prot_oob_bytes(mtd, oob, i,  in sunxi_nfc_hw_ecc_read_chunks_dma()
1091 			u8 *oob = nand->oob_poi + oob_off;  in sunxi_nfc_hw_ecc_read_chunks_dma()  local
1106 			/* TODO: use DMA to retrieve OOB */  in sunxi_nfc_hw_ecc_read_chunks_dma()
1109 						   oob, ecc->bytes + 4, false);  in sunxi_nfc_hw_ecc_read_chunks_dma()
1112 							  oob, ecc->bytes + 4,  in sunxi_nfc_hw_ecc_read_chunks_dma()
1132 					const u8 *oob, int oob_off,  in sunxi_nfc_hw_ecc_write_chunk()  argument
1154 	sunxi_nfc_hw_ecc_set_prot_oob_bytes(mtd, oob, 0, bbm, page);  in sunxi_nfc_hw_ecc_write_chunk()
1171 					     u8 *oob, int *cur_off,  in sunxi_nfc_hw_ecc_write_extra_oob()  argument
1186 	sunxi_nfc_randomizer_write_buf(mtd, oob + offset, len, false, page);  in sunxi_nfc_hw_ecc_write_extra_oob()
1209 		u8 *oob = chip->oob_poi + oob_off;  in sunxi_nfc_hw_ecc_read_page()  local
1211 		ret = sunxi_nfc_hw_ecc_read_chunk(mtd, data, data_off, oob,  in sunxi_nfc_hw_ecc_read_page()
1265 		u8 *oob = chip->oob_poi + oob_off;  in sunxi_nfc_hw_ecc_read_subpage()  local
1268 						  oob,  in sunxi_nfc_hw_ecc_read_subpage()
1316 		const u8 *oob = chip->oob_poi + oob_off;  in sunxi_nfc_hw_ecc_write_page()  local
1318 		ret = sunxi_nfc_hw_ecc_write_chunk(mtd, data, data_off, oob,  in sunxi_nfc_hw_ecc_write_page()
1352 		const u8 *oob = chip->oob_poi + oob_off;  in sunxi_nfc_hw_ecc_write_subpage()  local
1354 		ret = sunxi_nfc_hw_ecc_write_chunk(mtd, data, data_off, oob,  in sunxi_nfc_hw_ecc_write_subpage()
1388 		const u8 *oob = nand->oob_poi + (i * (ecc->bytes + 4));  in sunxi_nfc_hw_ecc_write_page_dma()  local
1390 		sunxi_nfc_hw_ecc_set_prot_oob_bytes(mtd, oob, i, !i, page);  in sunxi_nfc_hw_ecc_write_page_dma()
1421 		/* TODO: use DMA to transfer extra OOB bytes ? */  in sunxi_nfc_hw_ecc_write_page_dma()
1453 	/* Send command to program the OOB data */  in sunxi_nfc_hw_ecc_write_oob()