544  * the randomizer engine does internally before de/scrambling OOB data.
715 static void sunxi_nfc_hw_ecc_get_prot_oob_bytes(struct nand_chip *nand, u8 *oob,  in sunxi_nfc_hw_ecc_get_prot_oob_bytes()  argument
721 				   oob);  in sunxi_nfc_hw_ecc_get_prot_oob_bytes()
725 		sunxi_nfc_randomize_bbm(nand, page, oob);  in sunxi_nfc_hw_ecc_get_prot_oob_bytes()
729 						const u8 *oob, int step,  in sunxi_nfc_hw_ecc_set_prot_oob_bytes()  argument
737 		memcpy(user_data, oob, sizeof(user_data));  in sunxi_nfc_hw_ecc_set_prot_oob_bytes()
739 		oob = user_data;  in sunxi_nfc_hw_ecc_set_prot_oob_bytes()
742 	writel(sunxi_nfc_buf_to_user_data(oob),  in sunxi_nfc_hw_ecc_set_prot_oob_bytes()
759 static int sunxi_nfc_hw_ecc_correct(struct nand_chip *nand, u8 *data, u8 *oob,  in sunxi_nfc_hw_ecc_correct()  argument
784 		if (oob)  in sunxi_nfc_hw_ecc_correct()
785 			memset(oob, pattern, ecc->bytes + 4);  in sunxi_nfc_hw_ecc_correct()
797 				       u8 *oob, int oob_off,  in sunxi_nfc_hw_ecc_read_chunk()  argument
831 	ret = sunxi_nfc_hw_ecc_correct(nand, data, oob_required ? oob : NULL, 0,  in sunxi_nfc_hw_ecc_read_chunk()
849 		nand_change_read_column_op(nand, oob_off, oob, ecc->bytes + 4,  in sunxi_nfc_hw_ecc_read_chunk()
853 						  oob, ecc->bytes + 4,  in sunxi_nfc_hw_ecc_read_chunk()
863 			sunxi_nfc_randomizer_read_buf(nand, oob, ecc->bytes + 4,  in sunxi_nfc_hw_ecc_read_chunk()
866 			sunxi_nfc_hw_ecc_get_prot_oob_bytes(nand, oob, 0,  in sunxi_nfc_hw_ecc_read_chunk()
877 					    u8 *oob, int *cur_off,  in sunxi_nfc_hw_ecc_read_extra_oob()  argument
893 		sunxi_nfc_read_buf(nand, oob + offset, len);  in sunxi_nfc_hw_ecc_read_extra_oob()
895 		sunxi_nfc_randomizer_read_buf(nand, oob + offset, len,  in sunxi_nfc_hw_ecc_read_extra_oob()
959 		u8 *oob = nand->oob_poi + oob_off;  in sunxi_nfc_hw_ecc_read_chunks_dma()  local
963 					       oob_required ? oob : NULL,  in sunxi_nfc_hw_ecc_read_chunks_dma()
971 			/* TODO: use DMA to retrieve OOB */  in sunxi_nfc_hw_ecc_read_chunks_dma()
974 						   oob, ecc->bytes + 4, false);  in sunxi_nfc_hw_ecc_read_chunks_dma()
976 			sunxi_nfc_hw_ecc_get_prot_oob_bytes(nand, oob, i,  in sunxi_nfc_hw_ecc_read_chunks_dma()
991 			u8 *oob = nand->oob_poi + oob_off;  in sunxi_nfc_hw_ecc_read_chunks_dma()  local
1006 			/* TODO: use DMA to retrieve OOB */  in sunxi_nfc_hw_ecc_read_chunks_dma()
1009 						   oob, ecc->bytes + 4, false);  in sunxi_nfc_hw_ecc_read_chunks_dma()
1012 							  oob, ecc->bytes + 4,  in sunxi_nfc_hw_ecc_read_chunks_dma()
1032 					const u8 *oob, int oob_off,  in sunxi_nfc_hw_ecc_write_chunk()  argument
1053 	sunxi_nfc_hw_ecc_set_prot_oob_bytes(nand, oob, 0, bbm, page);  in sunxi_nfc_hw_ecc_write_chunk()
1070 					     u8 *oob, int *cur_off,  in sunxi_nfc_hw_ecc_write_extra_oob()  argument
1085 	sunxi_nfc_randomizer_write_buf(nand, oob + offset, len, false, page);  in sunxi_nfc_hw_ecc_write_extra_oob()
1110 		u8 *oob = nand->oob_poi + oob_off;  in sunxi_nfc_hw_ecc_read_page()  local
1112 		ret = sunxi_nfc_hw_ecc_read_chunk(nand, data, data_off, oob,  in sunxi_nfc_hw_ecc_read_page()
1169 		u8 *oob = nand->oob_poi + oob_off;  in sunxi_nfc_hw_ecc_read_subpage()  local
1172 						  oob,  in sunxi_nfc_hw_ecc_read_subpage()
1223 		const u8 *oob = nand->oob_poi + oob_off;  in sunxi_nfc_hw_ecc_write_page()  local
1225 		ret = sunxi_nfc_hw_ecc_write_chunk(nand, data, data_off, oob,  in sunxi_nfc_hw_ecc_write_page()
1261 		const u8 *oob = nand->oob_poi + oob_off;  in sunxi_nfc_hw_ecc_write_subpage()  local
1263 		ret = sunxi_nfc_hw_ecc_write_chunk(nand, data, data_off, oob,  in sunxi_nfc_hw_ecc_write_subpage()
1298 		const u8 *oob = nand->oob_poi + (i * (ecc->bytes + 4));  in sunxi_nfc_hw_ecc_write_page_dma()  local
1300 		sunxi_nfc_hw_ecc_set_prot_oob_bytes(nand, oob, i, !i, page);  in sunxi_nfc_hw_ecc_write_page_dma()
1336 		/* TODO: use DMA to transfer extra OOB bytes ? */  in sunxi_nfc_hw_ecc_write_page_dma()
1364 	/* Send command to program the OOB data */  in sunxi_nfc_hw_ecc_write_oob()
1596 	 * The controller does not provide access to OOB bytes  in sunxi_nand_ooblayout_free()