| 1 | /* |
| 2 | * Copyright (c) Meta Platforms, Inc. and affiliates. |
| 3 | * |
| 4 | * SPDX-License-Identifier: GPL-2.0-only |
| 5 | */ |
| 6 | |
| 7 | #ifndef EEPROM_AT24C_H |
| 8 | #define EEPROM_AT24C_H |
| 9 | |
| 10 | #include "hw/i2c/i2c.h" |
| 11 | |
| 12 | /* |
| 13 | * Create and realize an AT24C EEPROM device on the heap. |
| 14 | * @bus: I2C bus to put it on |
| 15 | * @address: I2C address of the EEPROM slave when put on a bus |
| 16 | * @rom_size: size of the EEPROM |
| 17 | * |
| 18 | * Create the device state structure, initialize it, put it on the specified |
| 19 | * @bus, and drop the reference to it (the device is realized). |
| 20 | */ |
| 21 | I2CSlave *at24c_eeprom_init(I2CBus *bus, uint8_t address, uint32_t rom_size); |
| 22 | |
| 23 | |
| 24 | /* |
| 25 | * Create and realize an AT24C EEPROM device on the heap with initial data. |
| 26 | * @bus: I2C bus to put it on |
| 27 | * @address: I2C address of the EEPROM slave when put on a bus |
| 28 | * @rom_size: size of the EEPROM |
| 29 | * @init_rom: Array of bytes to initialize EEPROM memory with |
| 30 | * @init_rom_size: Size of @init_rom, must be less than or equal to @rom_size |
| 31 | * |
| 32 | * Create the device state structure, initialize it, put it on the specified |
| 33 | * @bus, and drop the reference to it (the device is realized). Copies the data |
| 34 | * from @init_rom to the beginning of the EEPROM memory buffer. |
| 35 | */ |
| 36 | I2CSlave *at24c_eeprom_init_rom(I2CBus *bus, uint8_t address, uint32_t rom_size, |
| 37 | const uint8_t *init_rom, uint32_t init_rom_size); |
| 38 | |
| 39 | #endif |