| /* |
| * 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 |
| #define DS2760_STATUS_IE (1 << 2) |
| #define DS2760_STATUS_SWEN (1 << 3) |
| #define DS2760_STATUS_RNAOP (1 << 4) |
| #define DS2760_STATUS_PMOD (1 << 5) |
| |
| #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 |
| #define DS2760_STATUS_WRITE_REG 0x31 |
| #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); |
| extern int w1_ds2760_store_eeprom(struct device *dev, int addr); |
| extern int w1_ds2760_recall_eeprom(struct device *dev, int addr); |
| |
| #endif /* !__w1_ds2760_h__ */ |
