include/hw/nvram/eeprom93xx.h

   1 /*
   2  * QEMU EEPROM 93xx emulation
   3  *
   4  * Copyright (c) 2006-2007 Stefan Weil
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20 #ifndef EEPROM93XX_H
  21 #define EEPROM93XX_H
  22
  23 typedef struct _eeprom_t eeprom_t;
  24
  25 /* Create a new EEPROM with (nwords * 2) bytes. */
  26 eeprom_t *eeprom93xx_new(DeviceState *dev, uint16_t nwords);
  27
  28 /* Destroy an existing EEPROM. */
  29 void eeprom93xx_free(DeviceState *dev, eeprom_t *eeprom);
  30
  31 /* Read from the EEPROM. */
  32 uint16_t eeprom93xx_read(eeprom_t *eeprom);
  33
  34 /* Write to the EEPROM. */
  35 void eeprom93xx_write(eeprom_t *eeprom, int eecs, int eesk, int eedi);
  36
  37 /* Get EEPROM data array. */
  38 uint16_t *eeprom93xx_data(eeprom_t *eeprom);
  39
  40 #endif /* EEPROM93XX_H */