237 	struct mtd_info mtd;  member
351 static int sunxi_nfc_dev_ready(struct mtd_info *mtd)  in sunxi_nfc_dev_ready()  argument
353 	struct nand_chip *nand = mtd->priv;  in sunxi_nfc_dev_ready()
389 static void sunxi_nfc_select_chip(struct mtd_info *mtd, int chip)  in sunxi_nfc_select_chip()  argument
391 	struct nand_chip *nand = mtd->priv;  in sunxi_nfc_select_chip()
419 		writel(mtd->writesize, nfc->regs + NFC_REG_SPARE_AREA);  in sunxi_nfc_select_chip()
434 static void sunxi_nfc_read_buf(struct mtd_info *mtd, uint8_t *buf, int len)  in sunxi_nfc_read_buf()  argument
436 	struct nand_chip *nand = mtd->priv;  in sunxi_nfc_read_buf()
466 static void sunxi_nfc_write_buf(struct mtd_info *mtd, const uint8_t *buf,  in sunxi_nfc_write_buf()  argument
469 	struct nand_chip *nand = mtd->priv;  in sunxi_nfc_write_buf()
498 static uint8_t sunxi_nfc_read_byte(struct mtd_info *mtd)  in sunxi_nfc_read_byte()  argument
502 	sunxi_nfc_read_buf(mtd, &ret, 1);  in sunxi_nfc_read_byte()
507 static void sunxi_nfc_cmd_ctrl(struct mtd_info *mtd, int dat,  in sunxi_nfc_cmd_ctrl()  argument
510 	struct nand_chip *nand = mtd->priv;  in sunxi_nfc_cmd_ctrl()
542 static void sunxi_nfc_hw_ecc_enable(struct mtd_info *mtd)  in sunxi_nfc_hw_ecc_enable()  argument
544 	struct nand_chip *nand = mtd->priv;  in sunxi_nfc_hw_ecc_enable()
557 static void sunxi_nfc_hw_ecc_disable(struct mtd_info *mtd)  in sunxi_nfc_hw_ecc_disable()  argument
559 	struct nand_chip *nand = mtd->priv;  in sunxi_nfc_hw_ecc_disable()
574 static int sunxi_nfc_hw_ecc_read_chunk(struct mtd_info *mtd,  in sunxi_nfc_hw_ecc_read_chunk()  argument
580 	struct nand_chip *nand = mtd->priv;  in sunxi_nfc_hw_ecc_read_chunk()
587 		nand->cmdfunc(mtd, NAND_CMD_RNDOUT, data_off, -1);  in sunxi_nfc_hw_ecc_read_chunk()
589 	sunxi_nfc_read_buf(mtd, NULL, ecc->size);  in sunxi_nfc_hw_ecc_read_chunk()
592 		nand->cmdfunc(mtd, NAND_CMD_RNDOUT, oob_off, -1);  in sunxi_nfc_hw_ecc_read_chunk()
610 	nand->cmdfunc(mtd, NAND_CMD_RNDOUT, oob_off, -1);  in sunxi_nfc_hw_ecc_read_chunk()
611 	sunxi_nfc_read_buf(mtd, oob, ecc->bytes + 4);  in sunxi_nfc_hw_ecc_read_chunk()
627 		mtd->ecc_stats.failed++;  in sunxi_nfc_hw_ecc_read_chunk()
629 		mtd->ecc_stats.corrected += ret;  in sunxi_nfc_hw_ecc_read_chunk()
638 static void sunxi_nfc_hw_ecc_read_extra_oob(struct mtd_info *mtd,  in sunxi_nfc_hw_ecc_read_extra_oob()  argument
641 	struct nand_chip *nand = mtd->priv;  in sunxi_nfc_hw_ecc_read_extra_oob()
644 	int len = mtd->oobsize - offset;  in sunxi_nfc_hw_ecc_read_extra_oob()
650 		nand->cmdfunc(mtd, NAND_CMD_RNDOUT,  in sunxi_nfc_hw_ecc_read_extra_oob()
651 			      offset + mtd->writesize, -1);  in sunxi_nfc_hw_ecc_read_extra_oob()
653 	sunxi_nfc_read_buf(mtd, oob + offset, len);  in sunxi_nfc_hw_ecc_read_extra_oob()
655 	*cur_off = mtd->oobsize + mtd->writesize;  in sunxi_nfc_hw_ecc_read_extra_oob()
663 static int sunxi_nfc_hw_ecc_write_chunk(struct mtd_info *mtd,  in sunxi_nfc_hw_ecc_write_chunk()  argument
668 	struct nand_chip *nand = mtd->priv;  in sunxi_nfc_hw_ecc_write_chunk()
674 		nand->cmdfunc(mtd, NAND_CMD_RNDIN, data_off, -1);  in sunxi_nfc_hw_ecc_write_chunk()
676 	sunxi_nfc_write_buf(mtd, data, ecc->size);  in sunxi_nfc_hw_ecc_write_chunk()
683 		nand->cmdfunc(mtd, NAND_CMD_RNDIN, oob_off, -1);  in sunxi_nfc_hw_ecc_write_chunk()
702 static void sunxi_nfc_hw_ecc_write_extra_oob(struct mtd_info *mtd,  in sunxi_nfc_hw_ecc_write_extra_oob()  argument
705 	struct nand_chip *nand = mtd->priv;  in sunxi_nfc_hw_ecc_write_extra_oob()
708 	int len = mtd->oobsize - offset;  in sunxi_nfc_hw_ecc_write_extra_oob()
714 		nand->cmdfunc(mtd, NAND_CMD_RNDIN,  in sunxi_nfc_hw_ecc_write_extra_oob()
715 			      offset + mtd->writesize, -1);  in sunxi_nfc_hw_ecc_write_extra_oob()
717 	sunxi_nfc_write_buf(mtd, oob + offset, len);  in sunxi_nfc_hw_ecc_write_extra_oob()
719 	*cur_off = mtd->oobsize + mtd->writesize;  in sunxi_nfc_hw_ecc_write_extra_oob()
722 static int sunxi_nfc_hw_ecc_read_page(struct mtd_info *mtd,  in sunxi_nfc_hw_ecc_read_page()  argument
730 	sunxi_nfc_hw_ecc_enable(mtd);  in sunxi_nfc_hw_ecc_read_page()
738 		ret = sunxi_nfc_hw_ecc_read_chunk(mtd, data, data_off, oob,  in sunxi_nfc_hw_ecc_read_page()
739 						  oob_off + mtd->writesize,  in sunxi_nfc_hw_ecc_read_page()
746 		sunxi_nfc_hw_ecc_read_extra_oob(mtd, chip->oob_poi, &cur_off);  in sunxi_nfc_hw_ecc_read_page()
748 	sunxi_nfc_hw_ecc_disable(mtd);  in sunxi_nfc_hw_ecc_read_page()
753 static int sunxi_nfc_hw_ecc_write_page(struct mtd_info *mtd,  in sunxi_nfc_hw_ecc_write_page()  argument
761 	sunxi_nfc_hw_ecc_enable(mtd);  in sunxi_nfc_hw_ecc_write_page()
769 		ret = sunxi_nfc_hw_ecc_write_chunk(mtd, data, data_off, oob,  in sunxi_nfc_hw_ecc_write_page()
770 						   oob_off + mtd->writesize,  in sunxi_nfc_hw_ecc_write_page()
777 		sunxi_nfc_hw_ecc_write_extra_oob(mtd, chip->oob_poi, &cur_off);  in sunxi_nfc_hw_ecc_write_page()
779 	sunxi_nfc_hw_ecc_disable(mtd);  in sunxi_nfc_hw_ecc_write_page()
784 static int sunxi_nfc_hw_syndrome_ecc_read_page(struct mtd_info *mtd,  in sunxi_nfc_hw_syndrome_ecc_read_page()  argument
793 	sunxi_nfc_hw_ecc_enable(mtd);  in sunxi_nfc_hw_syndrome_ecc_read_page()
801 		ret = sunxi_nfc_hw_ecc_read_chunk(mtd, data, data_off, oob,  in sunxi_nfc_hw_syndrome_ecc_read_page()
809 		sunxi_nfc_hw_ecc_read_extra_oob(mtd, chip->oob_poi, &cur_off);  in sunxi_nfc_hw_syndrome_ecc_read_page()
811 	sunxi_nfc_hw_ecc_disable(mtd);  in sunxi_nfc_hw_syndrome_ecc_read_page()
816 static int sunxi_nfc_hw_syndrome_ecc_write_page(struct mtd_info *mtd,  in sunxi_nfc_hw_syndrome_ecc_write_page()  argument
824 	sunxi_nfc_hw_ecc_enable(mtd);  in sunxi_nfc_hw_syndrome_ecc_write_page()
832 		ret = sunxi_nfc_hw_ecc_write_chunk(mtd, data, data_off,  in sunxi_nfc_hw_syndrome_ecc_write_page()
839 		sunxi_nfc_hw_ecc_write_extra_oob(mtd, chip->oob_poi, &cur_off);  in sunxi_nfc_hw_syndrome_ecc_write_page()
841 	sunxi_nfc_hw_ecc_disable(mtd);  in sunxi_nfc_hw_syndrome_ecc_write_page()
1011 			chip->nand.select_chip(&chip->mtd, i);  in sunxi_nand_chip_init_timings()
1012 			ret = chip->nand.onfi_set_features(&chip->mtd,  in sunxi_nand_chip_init_timings()
1016 			chip->nand.select_chip(&chip->mtd, -1);  in sunxi_nand_chip_init_timings()
1029 static int sunxi_nand_hw_common_ecc_ctrl_init(struct mtd_info *mtd,  in sunxi_nand_hw_common_ecc_ctrl_init()  argument
1034 	struct nand_chip *nand = mtd->priv;  in sunxi_nand_hw_common_ecc_ctrl_init()
1068 	nsectors = mtd->writesize / ecc->size;  in sunxi_nand_hw_common_ecc_ctrl_init()
1070 	if (mtd->oobsize < ((ecc->bytes + 4) * nsectors)) {  in sunxi_nand_hw_common_ecc_ctrl_init()
1093 static int sunxi_nand_hw_ecc_ctrl_init(struct mtd_info *mtd,  in sunxi_nand_hw_ecc_ctrl_init()  argument
1102 	ret = sunxi_nand_hw_common_ecc_ctrl_init(mtd, ecc, np);  in sunxi_nand_hw_ecc_ctrl_init()
1109 	nsectors = mtd->writesize / ecc->size;  in sunxi_nand_hw_ecc_ctrl_init()
1134 	if (mtd->oobsize > (ecc->bytes + 4) * nsectors) {  in sunxi_nand_hw_ecc_ctrl_init()
1139 		layout->oobfree[nsectors].length = mtd->oobsize -  in sunxi_nand_hw_ecc_ctrl_init()
1146 static int sunxi_nand_hw_syndrome_ecc_ctrl_init(struct mtd_info *mtd,  in sunxi_nand_hw_syndrome_ecc_ctrl_init()  argument
1155 	ret = sunxi_nand_hw_common_ecc_ctrl_init(mtd, ecc, np);  in sunxi_nand_hw_syndrome_ecc_ctrl_init()
1164 	nsectors = mtd->writesize / ecc->size;  in sunxi_nand_hw_syndrome_ecc_ctrl_init()
1169 	layout->oobfree[0].length = mtd->oobsize - i;  in sunxi_nand_hw_syndrome_ecc_ctrl_init()
1189 static int sunxi_nand_ecc_init(struct mtd_info *mtd, struct nand_ecc_ctrl *ecc,  in sunxi_nand_ecc_init()  argument
1192 	struct nand_chip *nand = mtd->priv;  in sunxi_nand_ecc_init()
1207 		ret = sunxi_nand_hw_ecc_ctrl_init(mtd, ecc, np);  in sunxi_nand_ecc_init()
1212 		ret = sunxi_nand_hw_syndrome_ecc_ctrl_init(mtd, ecc, np);  in sunxi_nand_ecc_init()
1220 		ecc->layout->oobfree[0].length = mtd->oobsize;  in sunxi_nand_ecc_init()
1236 	struct mtd_info *mtd;  in sunxi_nand_chip_init()  local
1340 	mtd = &chip->mtd;  in sunxi_nand_chip_init()
1341 	mtd->dev.parent = dev;  in sunxi_nand_chip_init()
1342 	mtd->priv = nand;  in sunxi_nand_chip_init()
1344 	ret = nand_scan_ident(mtd, nsels, NULL);  in sunxi_nand_chip_init()
1357 	ret = sunxi_nand_ecc_init(mtd, &nand->ecc, np);  in sunxi_nand_chip_init()
1363 	ret = nand_scan_tail(mtd);  in sunxi_nand_chip_init()
1370 	ret = mtd_device_parse_register(mtd, NULL, &ppdata, NULL, 0);  in sunxi_nand_chip_init()
1373 		nand_release(mtd);  in sunxi_nand_chip_init()
1410 		nand_release(&chip->mtd);  in sunxi_nand_chips_cleanup()