| Anton Vorontsov | d7ce6d1 | 2007-04-12 01:03:55 +0400 | [diff] [blame] | 1 | /* |
| 2 | * 1-Wire implementation for the ds2760 chip |
| 3 | * |
| 4 | * Copyright © 2004-2005, Szabolcs Gyurko <szabolcs.gyurko@tlt.hu> |
| 5 | * |
| 6 | * Use consistent with the GNU GPL is permitted, |
| 7 | * provided that this copyright notice is |
| 8 | * preserved in its entirety in all copies and derived works. |
| 9 | * |
| 10 | */ |
| 11 | |
| 12 | #ifndef __w1_ds2760_h__ |
| 13 | #define __w1_ds2760_h__ |
| 14 | |
| 15 | /* Known commands to the DS2760 chip */ |
| 16 | #define W1_DS2760_SWAP 0xAA |
| 17 | #define W1_DS2760_READ_DATA 0x69 |
| 18 | #define W1_DS2760_WRITE_DATA 0x6C |
| 19 | #define W1_DS2760_COPY_DATA 0x48 |
| 20 | #define W1_DS2760_RECALL_DATA 0xB8 |
| 21 | #define W1_DS2760_LOCK 0x6A |
| 22 | |
| 23 | /* Number of valid register addresses */ |
| 24 | #define DS2760_DATA_SIZE 0x40 |
| 25 | |
| 26 | #define DS2760_PROTECTION_REG 0x00 |
| 27 | #define DS2760_STATUS_REG 0x01 |
| Daniel Mack | cef437e | 2009-04-28 10:55:02 +0200 | [diff] [blame] | 28 | #define DS2760_STATUS_IE (1 << 2) |
| 29 | #define DS2760_STATUS_SWEN (1 << 3) |
| 30 | #define DS2760_STATUS_RNAOP (1 << 4) |
| 31 | #define DS2760_STATUS_PMOD (1 << 5) |
| Anton Vorontsov | d7ce6d1 | 2007-04-12 01:03:55 +0400 | [diff] [blame] | 32 | #define DS2760_EEPROM_REG 0x07 |
| 33 | #define DS2760_SPECIAL_FEATURE_REG 0x08 |
| 34 | #define DS2760_VOLTAGE_MSB 0x0c |
| 35 | #define DS2760_VOLTAGE_LSB 0x0d |
| 36 | #define DS2760_CURRENT_MSB 0x0e |
| 37 | #define DS2760_CURRENT_LSB 0x0f |
| 38 | #define DS2760_CURRENT_ACCUM_MSB 0x10 |
| 39 | #define DS2760_CURRENT_ACCUM_LSB 0x11 |
| 40 | #define DS2760_TEMP_MSB 0x18 |
| 41 | #define DS2760_TEMP_LSB 0x19 |
| 42 | #define DS2760_EEPROM_BLOCK0 0x20 |
| 43 | #define DS2760_ACTIVE_FULL 0x20 |
| 44 | #define DS2760_EEPROM_BLOCK1 0x30 |
| Daniel Mack | cef437e | 2009-04-28 10:55:02 +0200 | [diff] [blame] | 45 | #define DS2760_STATUS_WRITE_REG 0x31 |
| Anton Vorontsov | d7ce6d1 | 2007-04-12 01:03:55 +0400 | [diff] [blame] | 46 | #define DS2760_RATED_CAPACITY 0x32 |
| 47 | #define DS2760_CURRENT_OFFSET_BIAS 0x33 |
| 48 | #define DS2760_ACTIVE_EMPTY 0x3b |
| 49 | |
| 50 | extern int w1_ds2760_read(struct device *dev, char *buf, int addr, |
| 51 | size_t count); |
| 52 | extern int w1_ds2760_write(struct device *dev, char *buf, int addr, |
| 53 | size_t count); |
| Daniel Mack | 0b47b57 | 2009-04-28 10:55:01 +0200 | [diff] [blame] | 54 | extern int w1_ds2760_store_eeprom(struct device *dev, int addr); |
| 55 | extern int w1_ds2760_recall_eeprom(struct device *dev, int addr); |
| Anton Vorontsov | d7ce6d1 | 2007-04-12 01:03:55 +0400 | [diff] [blame] | 56 | |
| 57 | #endif /* !__w1_ds2760_h__ */ |