projects / mirror_ubuntu-bionic-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| d7ce6d1d AV |
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 | |
| e447d4c0 | 27 | |
| d7ce6d1d | 28 | #define DS2760_STATUS_REG 0x01 |
| e447d4c0 MB |
29 | #define DS2760_STATUS_IE (1 << 2) |
| 30 | #define DS2760_STATUS_SWEN (1 << 3) | |
| 31 | #define DS2760_STATUS_RNAOP (1 << 4) | |
| 32 | #define DS2760_STATUS_PMOD (1 << 5) | |
| 33 | ||
| d7ce6d1d AV |
34 | #define DS2760_EEPROM_REG 0x07 |
| 35 | #define DS2760_SPECIAL_FEATURE_REG 0x08 | |
| 36 | #define DS2760_VOLTAGE_MSB 0x0c | |
| 37 | #define DS2760_VOLTAGE_LSB 0x0d | |
| 38 | #define DS2760_CURRENT_MSB 0x0e | |
| 39 | #define DS2760_CURRENT_LSB 0x0f | |
| 40 | #define DS2760_CURRENT_ACCUM_MSB 0x10 | |
| 41 | #define DS2760_CURRENT_ACCUM_LSB 0x11 | |
| 42 | #define DS2760_TEMP_MSB 0x18 | |
| 43 | #define DS2760_TEMP_LSB 0x19 | |
| 44 | #define DS2760_EEPROM_BLOCK0 0x20 | |
| 45 | #define DS2760_ACTIVE_FULL 0x20 | |
| 46 | #define DS2760_EEPROM_BLOCK1 0x30 | |
| cef437e3 | 47 | #define DS2760_STATUS_WRITE_REG 0x31 |
| d7ce6d1d AV |
48 | #define DS2760_RATED_CAPACITY 0x32 |
| 49 | #define DS2760_CURRENT_OFFSET_BIAS 0x33 | |
| 50 | #define DS2760_ACTIVE_EMPTY 0x3b | |
| 51 | ||
| 52 | extern int w1_ds2760_read(struct device *dev, char *buf, int addr, | |
| 53 | size_t count); | |
| 54 | extern int w1_ds2760_write(struct device *dev, char *buf, int addr, | |
| 55 | size_t count); | |
| 0b47b570 DM |
56 | extern int w1_ds2760_store_eeprom(struct device *dev, int addr); |
| 57 | extern int w1_ds2760_recall_eeprom(struct device *dev, int addr); | |
| d7ce6d1d AV |
58 | |
| 59 | #endif /* !__w1_ds2760_h__ */ |