diff options
| author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-07-10 14:47:59 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-07-10 14:47:59 -0700 |
| commit | 5f60cfd932b42c69ed3226400cb5eab152576c3a (patch) | |
| tree | 70e4feba5158e76060d36a6c015be8297c294bca /drivers/w1/slaves/w1_ds2760.h | |
| parent | 9f9d76321659b5ebc9939101481f7c3ce228ea6e (diff) | |
| parent | d7ce6d1d5f6e307a2fbb69626cf120e20e793fe7 (diff) | |
Merge git://git.infradead.org/~dwmw2/battery-2.6
* git://git.infradead.org/~dwmw2/battery-2.6:
[BATTERY] ds2760 W1 slave
[BATTERY] One Laptop Per Child power/battery driver
[BATTERY] Apple PMU driver
[BATTERY] 1-Wire ds2760 chip battery driver
[BATTERY] APM emulation driver for class batteries
[BATTERY] pda_power platform driver
[BATTERY] Universal power supply class (was: battery class)
Diffstat (limited to 'drivers/w1/slaves/w1_ds2760.h')
| -rw-r--r-- | drivers/w1/slaves/w1_ds2760.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/drivers/w1/slaves/w1_ds2760.h b/drivers/w1/slaves/w1_ds2760.h new file mode 100644 index 00000000000..f1302429cb0 --- /dev/null +++ b/drivers/w1/slaves/w1_ds2760.h @@ -0,0 +1,50 @@ +/* + * 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_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_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); + +#endif /* !__w1_ds2760_h__ */ |