1 // SPDX-License-Identifier: GPL-2.0
12  * spinand_otp_page_size() - Get SPI-NAND OTP page size
15  * Return: the OTP page size.
27 	return layout->npages * spinand_otp_page_size(spinand);  in spinand_otp_size()
31  * spinand_fact_otp_size() - Get SPI-NAND factory OTP area size
34  * Return: the OTP size.
38 	return spinand_otp_size(spinand, &spinand->fact_otp->layout);  in spinand_fact_otp_size()
42  * spinand_user_otp_size() - Get SPI-NAND user OTP area size
45  * Return: the OTP size.
49 	return spinand_otp_size(spinand, &spinand->user_otp->layout);  in spinand_user_otp_size()
57 		return -EINVAL;  in spinand_otp_check_bounds()
66 					&spinand->user_otp->layout);  in spinand_user_otp_check_bounds()
92 	req.pos.page = page + layout->start_page;  in spinand_otp_rw()
99 				    otp_pagesize - req.dataoffs,  in spinand_otp_rw()
100 				    len - copied);  in spinand_otp_rw()
119 		dev_warn(&spinand_to_mtd(spinand)->dev,  in spinand_otp_rw()
120 			 "Can not disable OTP mode\n");  in spinand_otp_rw()
121 		ret = -EIO;  in spinand_otp_rw()
128  * spinand_fact_otp_read() - Read from OTP area
141 			      &spinand->fact_otp->layout);  in spinand_fact_otp_read()
145  * spinand_user_otp_read() - Read from OTP area
158 			      &spinand->user_otp->layout);  in spinand_user_otp_read()
162  * spinand_user_otp_write() - Write to OTP area
175 			      &spinand->user_otp->layout);  in spinand_user_otp_write()
187 	mutex_lock(&spinand->lock);  in spinand_mtd_otp_info()
190 		ret = spinand->fact_otp->ops->info(spinand, len, buf, retlen);  in spinand_mtd_otp_info()
192 		ret = spinand->user_otp->ops->info(spinand, len, buf, retlen);  in spinand_mtd_otp_info()
194 	mutex_unlock(&spinand->lock);  in spinand_mtd_otp_info()
223 				       is_fact ? &spinand->fact_otp->layout :  in spinand_mtd_otp_read()
224 						 &spinand->user_otp->layout);  in spinand_mtd_otp_read()
228 	mutex_lock(&spinand->lock);  in spinand_mtd_otp_read()
231 		ret = spinand->fact_otp->ops->read(spinand, ofs, len, retlen,  in spinand_mtd_otp_read()
234 		ret = spinand->user_otp->ops->read(spinand, ofs, len, retlen,  in spinand_mtd_otp_read()
237 	mutex_unlock(&spinand->lock);  in spinand_mtd_otp_read()
258 	const struct spinand_user_otp_ops *ops = spinand->user_otp->ops;  in spinand_mtd_user_otp_write()
270 	mutex_lock(&spinand->lock);  in spinand_mtd_user_otp_write()
271 	ret = ops->write(spinand, ofs, len, retlen, buf);  in spinand_mtd_user_otp_write()
272 	mutex_unlock(&spinand->lock);  in spinand_mtd_user_otp_write()
281 	const struct spinand_user_otp_ops *ops = spinand->user_otp->ops;  in spinand_mtd_user_otp_erase()
291 	mutex_lock(&spinand->lock);  in spinand_mtd_user_otp_erase()
292 	ret = ops->erase(spinand, ofs, len);  in spinand_mtd_user_otp_erase()
293 	mutex_unlock(&spinand->lock);  in spinand_mtd_user_otp_erase()
302 	const struct spinand_user_otp_ops *ops = spinand->user_otp->ops;  in spinand_mtd_user_otp_lock()
312 	mutex_lock(&spinand->lock);  in spinand_mtd_user_otp_lock()
313 	ret = ops->lock(spinand, ofs, len);  in spinand_mtd_user_otp_lock()
314 	mutex_unlock(&spinand->lock);  in spinand_mtd_user_otp_lock()
320  * spinand_set_mtd_otp_ops() - Setup OTP methods
323  * Setup OTP methods.
330 	const struct spinand_fact_otp_ops *fact_ops = spinand->fact_otp->ops;  in spinand_set_mtd_otp_ops()
331 	const struct spinand_user_otp_ops *user_ops = spinand->user_otp->ops;  in spinand_set_mtd_otp_ops()
334 		return -EINVAL;  in spinand_set_mtd_otp_ops()
337 		if (user_ops->info)  in spinand_set_mtd_otp_ops()
338 			mtd->_get_user_prot_info = spinand_mtd_user_otp_info;  in spinand_set_mtd_otp_ops()
340 		if (user_ops->read)  in spinand_set_mtd_otp_ops()
341 			mtd->_read_user_prot_reg = spinand_mtd_user_otp_read;  in spinand_set_mtd_otp_ops()
343 		if (user_ops->write)  in spinand_set_mtd_otp_ops()
344 			mtd->_write_user_prot_reg = spinand_mtd_user_otp_write;  in spinand_set_mtd_otp_ops()
346 		if (user_ops->lock)  in spinand_set_mtd_otp_ops()
347 			mtd->_lock_user_prot_reg = spinand_mtd_user_otp_lock;  in spinand_set_mtd_otp_ops()
349 		if (user_ops->erase)  in spinand_set_mtd_otp_ops()
350 			mtd->_erase_user_prot_reg = spinand_mtd_user_otp_erase;  in spinand_set_mtd_otp_ops()
354 		if (fact_ops->info)  in spinand_set_mtd_otp_ops()
355 			mtd->_get_fact_prot_info = spinand_mtd_fact_otp_info;  in spinand_set_mtd_otp_ops()
357 		if (fact_ops->read)  in spinand_set_mtd_otp_ops()
358 			mtd->_read_fact_prot_reg = spinand_mtd_fact_otp_read;  in spinand_set_mtd_otp_ops()