uint flags;
#ifdef CONFIG_SANDBOX
struct udevice *emul;
+ bool test_mode;
#endif
};
struct udevice **devp);
/**
+ * dm_i2c_reg_read() - Read a value from an I2C register
+ *
+ * This reads a single value from the given address in an I2C chip
+ *
+ * @addr: Address to read from
+ * @return value read, or -ve on error
+ */
+int dm_i2c_reg_read(struct udevice *dev, uint offset);
+
+/**
+ * dm_i2c_reg_write() - Write a value to an I2C register
+ *
+ * This writes a single value to the given address in an I2C chip
+ *
+ * @addr: Address to write to
+ * @val: Value to write (normally a byte)
+ * @return 0 on success, -ve on error
+ */
+int dm_i2c_reg_write(struct udevice *dev, uint offset, unsigned int val);
+
+/**
* dm_i2c_set_bus_speed() - set the speed of a bus
*
* @bus: Bus to adjust
*
* @offset_len: New offset length value (typically 1 or 2)
*/
-
int i2c_set_chip_offset_len(struct udevice *dev, uint offset_len);
+
+/**
+ * i2c_get_offset_len() - get the offset length for a chip
+ *
+ * @return: Current offset length value (typically 1 or 2)
+ */
+int i2c_get_chip_offset_len(struct udevice *dev);
+
/**
* i2c_deblock() - recover a bus that is in an unknown state
*
*/
void board_i2c_init(const void *blob);
+/*
+ * Compatibility functions for driver model.
+ */
+uint8_t i2c_reg_read(uint8_t addr, uint8_t reg);
+void i2c_reg_write(uint8_t addr, uint8_t reg, uint8_t val);
+
#endif
/*