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
533 static void send_page_v3(struct mtd_info *mtd, unsigned int ops)  in send_page_v3()  argument
535 	struct nand_chip *nand_chip = mtd->priv;  in send_page_v3()
549 static void send_page_v2(struct mtd_info *mtd, unsigned int ops)  in send_page_v2()  argument
551 	struct nand_chip *nand_chip = mtd->priv;  in send_page_v2()
563 static void send_page_v1(struct mtd_info *mtd, unsigned int ops)  in send_page_v1()  argument
565 	struct nand_chip *nand_chip = mtd->priv;  in send_page_v1()
569 	if (mtd->writesize > 512)  in send_page_v1()
646 static int mxc_nand_dev_ready(struct mtd_info *mtd)  in mxc_nand_dev_ready()  argument
655 static void mxc_nand_enable_hwecc(struct mtd_info *mtd, int mode)  in mxc_nand_enable_hwecc()  argument
663 static int mxc_nand_correct_data_v1(struct mtd_info *mtd, u_char *dat,  in mxc_nand_correct_data_v1()  argument
666 	struct nand_chip *nand_chip = mtd->priv;  in mxc_nand_correct_data_v1()
684 static int mxc_nand_correct_data_v2_v3(struct mtd_info *mtd, u_char *dat,  in mxc_nand_correct_data_v2_v3()  argument
687 	struct nand_chip *nand_chip = mtd->priv;  in mxc_nand_correct_data_v2_v3()
697 	no_subpages = mtd->writesize >> 9;  in mxc_nand_correct_data_v2_v3()
717 static int mxc_nand_calculate_ecc(struct mtd_info *mtd, const u_char *dat,  in mxc_nand_calculate_ecc()  argument
723 static u_char mxc_nand_read_byte(struct mtd_info *mtd)  in mxc_nand_read_byte()  argument
725 	struct nand_chip *nand_chip = mtd->priv;  in mxc_nand_read_byte()
747 static uint16_t mxc_nand_read_word(struct mtd_info *mtd)  in mxc_nand_read_word()  argument
749 	struct nand_chip *nand_chip = mtd->priv;  in mxc_nand_read_word()
762 static void mxc_nand_write_buf(struct mtd_info *mtd,  in mxc_nand_write_buf()  argument
765 	struct nand_chip *nand_chip = mtd->priv;  in mxc_nand_write_buf()
768 	int n = mtd->oobsize + mtd->writesize - col;  in mxc_nand_write_buf()
781 static void mxc_nand_read_buf(struct mtd_info *mtd, u_char *buf, int len)  in mxc_nand_read_buf()  argument
783 	struct nand_chip *nand_chip = mtd->priv;  in mxc_nand_read_buf()
786 	int n = mtd->oobsize + mtd->writesize - col;  in mxc_nand_read_buf()
797 static void mxc_nand_select_chip_v1_v3(struct mtd_info *mtd, int chip)  in mxc_nand_select_chip_v1_v3()  argument
799 	struct nand_chip *nand_chip = mtd->priv;  in mxc_nand_select_chip_v1_v3()
818 static void mxc_nand_select_chip_v2(struct mtd_info *mtd, int chip)  in mxc_nand_select_chip_v2()  argument
820 	struct nand_chip *nand_chip = mtd->priv;  in mxc_nand_select_chip_v2()
851 static void copy_spare(struct mtd_info *mtd, bool bfrom)  in copy_spare()  argument
853 	struct nand_chip *this = mtd->priv;  in copy_spare()
856 	u16 num_chunks = mtd->writesize / 512;  in copy_spare()
858 	u8 *d = host->data_buf + mtd->writesize;  in copy_spare()
894 static void mxc_do_addr_cycle(struct mtd_info *mtd, int column, int page_addr)  in mxc_do_addr_cycle()  argument
896 	struct nand_chip *nand_chip = mtd->priv;  in mxc_do_addr_cycle()
903 		if (mtd->writesize > 512)  in mxc_do_addr_cycle()
915 		if (mtd->writesize > 512) {  in mxc_do_addr_cycle()
916 			if (mtd->size >= 0x10000000) {  in mxc_do_addr_cycle()
930 			if (mtd->size >= 0x4000000) {  in mxc_do_addr_cycle()
951 static int get_eccsize(struct mtd_info *mtd)  in get_eccsize()  argument
955 	oobbytes_per_512 = mtd->oobsize * 512 / mtd->writesize;  in get_eccsize()
980 static void preset_v1(struct mtd_info *mtd)  in preset_v1()  argument
982 	struct nand_chip *nand_chip = mtd->priv;  in preset_v1()
986 	if (nand_chip->ecc.mode == NAND_ECC_HW && mtd->writesize)  in preset_v1()
1008 static void preset_v2(struct mtd_info *mtd)  in preset_v2()  argument
1010 	struct nand_chip *nand_chip = mtd->priv;  in preset_v2()
1019 	if (mtd->writesize) {  in preset_v2()
1020 		uint16_t pages_per_block = mtd->erasesize / mtd->writesize;  in preset_v2()
1025 		host->eccsize = get_eccsize(mtd);  in preset_v2()
1054 static void preset_v3(struct mtd_info *mtd)  in preset_v3()  argument
1056 	struct nand_chip *chip = mtd->priv;  in preset_v3()
1077 		NFC_V3_CONFIG2_SPAS(mtd->oobsize >> 1) |  in preset_v3()
1084 	if (mtd->writesize == 2048) {  in preset_v3()
1087 	} else if (mtd->writesize == 4096) {  in preset_v3()
1095 	if (mtd->writesize) {  in preset_v3()
1100 				ffs(mtd->erasesize / mtd->writesize) - 6,  in preset_v3()
1102 		host->eccsize = get_eccsize(mtd);  in preset_v3()
1125 static void mxc_nand_command(struct mtd_info *mtd, unsigned command,  in mxc_nand_command()  argument
1128 	struct nand_chip *nand_chip = mtd->priv;  in mxc_nand_command()
1140 		host->devtype_data->preset(mtd);  in mxc_nand_command()
1152 		mxc_do_addr_cycle(mtd, column, page_addr);  in mxc_nand_command()
1160 			host->buf_start = column + mtd->writesize;  in mxc_nand_command()
1168 		mxc_do_addr_cycle(mtd, 0, page_addr);  in mxc_nand_command()
1170 		if (mtd->writesize > 512)  in mxc_nand_command()
1174 		host->devtype_data->send_page(mtd, NFC_OUTPUT);  in mxc_nand_command()
1177 				mtd->writesize);  in mxc_nand_command()
1178 		copy_spare(mtd, true);  in mxc_nand_command()
1182 		if (column >= mtd->writesize)  in mxc_nand_command()
1184 			mxc_nand_command(mtd, NAND_CMD_READ0, 0, page_addr);  in mxc_nand_command()
1192 		mxc_do_addr_cycle(mtd, 0, page_addr);  in mxc_nand_command()
1196 		memcpy32_toio(host->main_area0, host->data_buf, mtd->writesize);  in mxc_nand_command()
1197 		copy_spare(mtd, false);  in mxc_nand_command()
1198 		host->devtype_data->send_page(mtd, NFC_INPUT);  in mxc_nand_command()
1203 		mxc_do_addr_cycle(mtd, column, page_addr);  in mxc_nand_command()
1208 		mxc_do_addr_cycle(mtd, column, page_addr);  in mxc_nand_command()
1219 		mxc_do_addr_cycle(mtd, column, page_addr);  in mxc_nand_command()
1224 		mxc_do_addr_cycle(mtd, column, page_addr);  in mxc_nand_command()
1225 		host->devtype_data->send_page(mtd, NFC_OUTPUT);  in mxc_nand_command()
1499 	struct mtd_info *mtd;  in mxcnd_probe()  local
1518 	mtd = &host->mtd;  in mxcnd_probe()
1519 	mtd->priv = this;  in mxcnd_probe()
1520 	mtd->dev.parent = &pdev->dev;  in mxcnd_probe()
1521 	mtd->name = DRIVER_NAME;  in mxcnd_probe()
1637 	if (nand_scan_ident(mtd, is_imx25_nfc(host) ? 4 : 1, NULL)) {  in mxcnd_probe()
1644 	host->data_buf = devm_kzalloc(&pdev->dev, mtd->writesize + mtd->oobsize,  in mxcnd_probe()
1652 	host->devtype_data->preset(mtd);  in mxcnd_probe()
1654 	if (mtd->writesize == 2048)  in mxcnd_probe()
1656 	else if (mtd->writesize == 4096) {  in mxcnd_probe()
1658 		if (get_eccsize(mtd) == 8)  in mxcnd_probe()
1669 	host->used_oobsize = min(mtd->oobsize, 218U);  in mxcnd_probe()
1679 	if (nand_scan_tail(mtd)) {  in mxcnd_probe()
1685 	mtd_device_parse_register(mtd, part_probes,  in mxcnd_probe()
1707 	nand_release(&host->mtd);  in mxcnd_remove()