+/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Copyright (c) 2014 Google, Inc
- *
- * SPDX-License-Identifier: GPL-2.0+
*/
#ifndef __I2C_EEPROM
int (*read)(struct udevice *dev, int offset, uint8_t *buf, int size);
int (*write)(struct udevice *dev, int offset, const uint8_t *buf,
int size);
+ int (*size)(struct udevice *dev);
};
struct i2c_eeprom {
+ /* The EEPROM's page size in byte */
+ unsigned long pagesize;
+ /* The EEPROM's capacity in bytes */
+ unsigned long size;
};
+/*
+ * i2c_eeprom_read() - read bytes from an I2C EEPROM chip
+ *
+ * @dev: Chip to read from
+ * @offset: Offset within chip to start reading
+ * @buf: Place to put data
+ * @size: Number of bytes to read
+ *
+ * Return: 0 on success, -ve on failure
+ */
+int i2c_eeprom_read(struct udevice *dev, int offset, uint8_t *buf, int size);
+
+/*
+ * i2c_eeprom_write() - write bytes to an I2C EEPROM chip
+ *
+ * @dev: Chip to write to
+ * @offset: Offset within chip to start writing
+ * @buf: Buffer containing data to write
+ * @size: Number of bytes to write
+ *
+ * Return: 0 on success, -ve on failure
+ */
+int i2c_eeprom_write(struct udevice *dev, int offset, uint8_t *buf, int size);
+
+/*
+ * i2c_eeprom_size() - get size of I2C EEPROM chip
+ *
+ * @dev: Chip to query
+ *
+ * Return: +ve size in bytes on success, -ve on failure
+ */
+int i2c_eeprom_size(struct udevice *dev);
+
#endif