2007-04-12 01:03:55 +04:00
/*
* 1 - Wire implementation for the ds2760 chip
*
* Copyright © 2004 - 2005 , Szabolcs Gyurko < szabolcs . gyurko @ tlt . hu >
*
* Use consistent with the GNU GPL is permitted ,
* provided that this copyright notice is
* preserved in its entirety in all copies and derived works .
*
*/
# ifndef __w1_ds2760_h__
# define __w1_ds2760_h__
/* Known commands to the DS2760 chip */
# define W1_DS2760_SWAP 0xAA
# define W1_DS2760_READ_DATA 0x69
# define W1_DS2760_WRITE_DATA 0x6C
# define W1_DS2760_COPY_DATA 0x48
# define W1_DS2760_RECALL_DATA 0xB8
# define W1_DS2760_LOCK 0x6A
/* Number of valid register addresses */
# define DS2760_DATA_SIZE 0x40
# define DS2760_PROTECTION_REG 0x00
# define DS2760_STATUS_REG 0x01
2009-04-28 10:55:02 +02:00
# define DS2760_STATUS_IE (1 << 2)
# define DS2760_STATUS_SWEN (1 << 3)
# define DS2760_STATUS_RNAOP (1 << 4)
# define DS2760_STATUS_PMOD (1 << 5)
2007-04-12 01:03:55 +04:00
# define DS2760_EEPROM_REG 0x07
# define DS2760_SPECIAL_FEATURE_REG 0x08
# define DS2760_VOLTAGE_MSB 0x0c
# define DS2760_VOLTAGE_LSB 0x0d
# define DS2760_CURRENT_MSB 0x0e
# define DS2760_CURRENT_LSB 0x0f
# define DS2760_CURRENT_ACCUM_MSB 0x10
# define DS2760_CURRENT_ACCUM_LSB 0x11
# define DS2760_TEMP_MSB 0x18
# define DS2760_TEMP_LSB 0x19
# define DS2760_EEPROM_BLOCK0 0x20
# define DS2760_ACTIVE_FULL 0x20
# define DS2760_EEPROM_BLOCK1 0x30
2009-04-28 10:55:02 +02:00
# define DS2760_STATUS_WRITE_REG 0x31
2007-04-12 01:03:55 +04:00
# define DS2760_RATED_CAPACITY 0x32
# define DS2760_CURRENT_OFFSET_BIAS 0x33
# define DS2760_ACTIVE_EMPTY 0x3b
extern int w1_ds2760_read ( struct device * dev , char * buf , int addr ,
size_t count ) ;
extern int w1_ds2760_write ( struct device * dev , char * buf , int addr ,
size_t count ) ;
2009-04-28 10:55:01 +02:00
extern int w1_ds2760_store_eeprom ( struct device * dev , int addr ) ;
extern int w1_ds2760_recall_eeprom ( struct device * dev , int addr ) ;
2007-04-12 01:03:55 +04:00
# endif /* !__w1_ds2760_h__ */