drivers/misc/mediatek/eeprom/inc/eeprom.h

   1 #ifndef _EEPROM_H
   2 #define _EEPROM_H
   3
   4 #include <linux/ioctl.h>
   5
   6
   7 #define EEPROMAGIC 'i'
   8 /* IOCTRL(inode * ,file * ,cmd ,arg ) */
   9 /* S means "set through a ptr" */
  10 /* T means "tell by a arg value" */
  11 /* G means "get by a ptr" */
  12 /* Q means "get by return a value" */
  13 /* X means "switch G and S atomically" */
  14 /* H means "switch T and Q atomically" */
  15
  16 /*******************************************************************************
  17 *
  18 ********************************************************************************/
  19
  20 /* EEPROM write */
  21 #define EEPROMIOC_S_WRITE            _IOW(EEPROMAGIC, 0, stEEPROM_INFO_STRUCT)
  22 /* EEPROM read */
  23 #define EEPROMIOC_G_READ            _IOWR(EEPROMAGIC, 5, stPEEPROM_INFO_STRUCT)
  24
  25 #endif                          /* _EEPROM_H */