153 	void (*select_chip)(struct mtd_info *mtd, int chip);
154 	int (*correct_data)(struct mtd_info *mtd, u_char *dat,
176 	struct mtd_info		mtd;  member
500 static void send_page_v3(struct mtd_info *mtd, unsigned int ops)  in send_page_v3()  argument
502 	struct nand_chip *nand_chip = mtd->priv;  in send_page_v3()
516 static void send_page_v2(struct mtd_info *mtd, unsigned int ops)  in send_page_v2()  argument
518 	struct nand_chip *nand_chip = mtd->priv;  in send_page_v2()
530 static void send_page_v1(struct mtd_info *mtd, unsigned int ops)  in send_page_v1()  argument
532 	struct nand_chip *nand_chip = mtd->priv;  in send_page_v1()
536 	if (mtd->writesize > 512)  in send_page_v1()
613 static int mxc_nand_dev_ready(struct mtd_info *mtd)  in mxc_nand_dev_ready()  argument
622 static void mxc_nand_enable_hwecc(struct mtd_info *mtd, int mode)  in mxc_nand_enable_hwecc()  argument
630 static int mxc_nand_correct_data_v1(struct mtd_info *mtd, u_char *dat,  in mxc_nand_correct_data_v1()  argument
633 	struct nand_chip *nand_chip = mtd->priv;  in mxc_nand_correct_data_v1()
651 static int mxc_nand_correct_data_v2_v3(struct mtd_info *mtd, u_char *dat,  in mxc_nand_correct_data_v2_v3()  argument
654 	struct nand_chip *nand_chip = mtd->priv;  in mxc_nand_correct_data_v2_v3()
664 	no_subpages = mtd->writesize >> 9;  in mxc_nand_correct_data_v2_v3()
684 static int mxc_nand_calculate_ecc(struct mtd_info *mtd, const u_char *dat,  in mxc_nand_calculate_ecc()  argument
690 static u_char mxc_nand_read_byte(struct mtd_info *mtd)  in mxc_nand_read_byte()  argument
692 	struct nand_chip *nand_chip = mtd->priv;  in mxc_nand_read_byte()
714 static uint16_t mxc_nand_read_word(struct mtd_info *mtd)  in mxc_nand_read_word()  argument
716 	struct nand_chip *nand_chip = mtd->priv;  in mxc_nand_read_word()
729 static void mxc_nand_write_buf(struct mtd_info *mtd,  in mxc_nand_write_buf()  argument
732 	struct nand_chip *nand_chip = mtd->priv;  in mxc_nand_write_buf()
735 	int n = mtd->oobsize + mtd->writesize - col;  in mxc_nand_write_buf()
748 static void mxc_nand_read_buf(struct mtd_info *mtd, u_char *buf, int len)  in mxc_nand_read_buf()  argument
750 	struct nand_chip *nand_chip = mtd->priv;  in mxc_nand_read_buf()
753 	int n = mtd->oobsize + mtd->writesize - col;  in mxc_nand_read_buf()
764 static void mxc_nand_select_chip_v1_v3(struct mtd_info *mtd, int chip)  in mxc_nand_select_chip_v1_v3()  argument
766 	struct nand_chip *nand_chip = mtd->priv;  in mxc_nand_select_chip_v1_v3()
785 static void mxc_nand_select_chip_v2(struct mtd_info *mtd, int chip)  in mxc_nand_select_chip_v2()  argument
787 	struct nand_chip *nand_chip = mtd->priv;  in mxc_nand_select_chip_v2()
812 static void copy_spare(struct mtd_info *mtd, bool bfrom)  in copy_spare()  argument
814 	struct nand_chip *this = mtd->priv;  in copy_spare()
817 	u16 n = mtd->writesize >> 9;  in copy_spare()
818 	u8 *d = host->data_buf + mtd->writesize;  in copy_spare()
822 	j = (mtd->oobsize / n >> 1) << 1;  in copy_spare()
829 		memcpy32_fromio(d + i * j, s + i * t, mtd->oobsize - i * j);  in copy_spare()
835 		memcpy32_toio(&s[i * t], &d[i * j], mtd->oobsize - i * j);  in copy_spare()
845 static void mxc_do_addr_cycle(struct mtd_info *mtd, int column, int page_addr)  in mxc_do_addr_cycle()  argument
847 	struct nand_chip *nand_chip = mtd->priv;  in mxc_do_addr_cycle()
854 		if (mtd->writesize > 512)  in mxc_do_addr_cycle()
866 		if (mtd->writesize > 512) {  in mxc_do_addr_cycle()
867 			if (mtd->size >= 0x10000000) {  in mxc_do_addr_cycle()
881 			if (mtd->size >= 0x4000000) {  in mxc_do_addr_cycle()
902 static int get_eccsize(struct mtd_info *mtd)  in get_eccsize()  argument
906 	oobbytes_per_512 = mtd->oobsize * 512 / mtd->writesize;  in get_eccsize()
914 static void preset_v1(struct mtd_info *mtd)  in preset_v1()  argument
916 	struct nand_chip *nand_chip = mtd->priv;  in preset_v1()
920 	if (nand_chip->ecc.mode == NAND_ECC_HW && mtd->writesize)  in preset_v1()
942 static void preset_v2(struct mtd_info *mtd)  in preset_v2()  argument
944 	struct nand_chip *nand_chip = mtd->priv;  in preset_v2()
953 	if (mtd->writesize) {  in preset_v2()
954 		uint16_t pages_per_block = mtd->erasesize / mtd->writesize;  in preset_v2()
959 		host->eccsize = get_eccsize(mtd);  in preset_v2()
988 static void preset_v3(struct mtd_info *mtd)  in preset_v3()  argument
990 	struct nand_chip *chip = mtd->priv;  in preset_v3()
1011 		NFC_V3_CONFIG2_SPAS(mtd->oobsize >> 1) |  in preset_v3()
1018 	if (mtd->writesize == 2048) {  in preset_v3()
1021 	} else if (mtd->writesize == 4096) {  in preset_v3()
1029 	if (mtd->writesize) {  in preset_v3()
1034 				ffs(mtd->erasesize / mtd->writesize) - 6,  in preset_v3()
1036 		host->eccsize = get_eccsize(mtd);  in preset_v3()
1059 static void mxc_nand_command(struct mtd_info *mtd, unsigned command,  in mxc_nand_command()  argument
1062 	struct nand_chip *nand_chip = mtd->priv;  in mxc_nand_command()
1074 		host->devtype_data->preset(mtd);  in mxc_nand_command()
1086 		mxc_do_addr_cycle(mtd, column, page_addr);  in mxc_nand_command()
1094 			host->buf_start = column + mtd->writesize;  in mxc_nand_command()
1102 		mxc_do_addr_cycle(mtd, 0, page_addr);  in mxc_nand_command()
1104 		if (mtd->writesize > 512)  in mxc_nand_command()
1108 		host->devtype_data->send_page(mtd, NFC_OUTPUT);  in mxc_nand_command()
1111 				mtd->writesize);  in mxc_nand_command()
1112 		copy_spare(mtd, true);  in mxc_nand_command()
1116 		if (column >= mtd->writesize)  in mxc_nand_command()
1118 			mxc_nand_command(mtd, NAND_CMD_READ0, 0, page_addr);  in mxc_nand_command()
1126 		mxc_do_addr_cycle(mtd, 0, page_addr);  in mxc_nand_command()
1130 		memcpy32_toio(host->main_area0, host->data_buf, mtd->writesize);  in mxc_nand_command()
1131 		copy_spare(mtd, false);  in mxc_nand_command()
1132 		host->devtype_data->send_page(mtd, NFC_INPUT);  in mxc_nand_command()
1137 		mxc_do_addr_cycle(mtd, column, page_addr);  in mxc_nand_command()
1142 		mxc_do_addr_cycle(mtd, column, page_addr);  in mxc_nand_command()
1153 		mxc_do_addr_cycle(mtd, column, page_addr);  in mxc_nand_command()
1158 		mxc_do_addr_cycle(mtd, column, page_addr);  in mxc_nand_command()
1159 		host->devtype_data->send_page(mtd, NFC_OUTPUT);  in mxc_nand_command()
1432 	struct mtd_info *mtd;  in mxcnd_probe()  local
1451 	mtd = &host->mtd;  in mxcnd_probe()
1452 	mtd->priv = this;  in mxcnd_probe()
1453 	mtd->owner = THIS_MODULE;  in mxcnd_probe()
1454 	mtd->dev.parent = &pdev->dev;  in mxcnd_probe()
1455 	mtd->name = DRIVER_NAME;  in mxcnd_probe()
1571 	if (nand_scan_ident(mtd, is_imx25_nfc(host) ? 4 : 1, NULL)) {  in mxcnd_probe()
1578 	host->data_buf = devm_kzalloc(&pdev->dev, mtd->writesize + mtd->oobsize,  in mxcnd_probe()
1586 	host->devtype_data->preset(mtd);  in mxcnd_probe()
1588 	if (mtd->writesize == 2048)  in mxcnd_probe()
1590 	else if (mtd->writesize == 4096)  in mxcnd_probe()
1601 	if (nand_scan_tail(mtd)) {  in mxcnd_probe()
1607 	mtd_device_parse_register(mtd, part_probes,  in mxcnd_probe()
1629 	nand_release(&host->mtd);  in mxcnd_remove()