historical/m0-applesillicon.git/xnu-qemu-arm64-5.1.0/include/hw/nvram/eeprom93xx.h
2024-01-16 11:20:27 -06:00

40 lines
1.3 KiB
C

/*
* QEMU EEPROM 93xx emulation
*
* Copyright (c) 2006-2007 Stefan Weil
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#ifndef EEPROM93XX_H
#define EEPROM93XX_H
typedef struct _eeprom_t eeprom_t;
/* Create a new EEPROM with (nwords * 2) bytes. */
eeprom_t *eeprom93xx_new(DeviceState *dev, uint16_t nwords);
/* Destroy an existing EEPROM. */
void eeprom93xx_free(DeviceState *dev, eeprom_t *eeprom);
/* Read from the EEPROM. */
uint16_t eeprom93xx_read(eeprom_t *eeprom);
/* Write to the EEPROM. */
void eeprom93xx_write(eeprom_t *eeprom, int eecs, int eesk, int eedi);
/* Get EEPROM data array. */
uint16_t *eeprom93xx_data(eeprom_t *eeprom);
#endif /* EEPROM93XX_H */