X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=kernel%2Fdrivers%2Fw1%2Fslaves%2Fw1_ds2760.h;fp=kernel%2Fdrivers%2Fw1%2Fslaves%2Fw1_ds2760.h;h=58e774141568eb11846fab47ae6e9c822993d673;hb=9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00;hp=0000000000000000000000000000000000000000;hpb=98260f3884f4a202f9ca5eabed40b1354c489b29;p=kvmfornfv.git diff --git a/kernel/drivers/w1/slaves/w1_ds2760.h b/kernel/drivers/w1/slaves/w1_ds2760.h new file mode 100644 index 000000000..58e774141 --- /dev/null +++ b/kernel/drivers/w1/slaves/w1_ds2760.h @@ -0,0 +1,57 @@ +/* + * 1-Wire implementation for the ds2760 chip + * + * Copyright © 2004-2005, Szabolcs Gyurko + * + * 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__ */