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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__ */ |