/* * 1-Wire implementation for the ds2780 chip * * Author: Renata Sayakhova <renata@oktetlabs.ru> * * Based on w1-ds2760 driver * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. * */ #ifndef _W1_DS2781_H #define _W1_DS2781_H /* Function commands */ #define W1_DS2781_READ_DATA 0x69 #define W1_DS2781_WRITE_DATA 0x6C #define W1_DS2781_COPY_DATA 0x48 #define W1_DS2781_RECALL_DATA 0xB8 #define W1_DS2781_LOCK 0x6A /* Register map */ /* Register 0x00 Reserved */ #define DS2781_STATUS 0x01 #define DS2781_RAAC_MSB 0x02 #define DS2781_RAAC_LSB 0x03 #define DS2781_RSAC_MSB 0x04 #define DS2781_RSAC_LSB 0x05 #define DS2781_RARC 0x06 #define DS2781_RSRC 0x07 #define DS2781_IAVG_MSB 0x08 #define DS2781_IAVG_LSB 0x09 #define DS2781_TEMP_MSB 0x0A #define DS2781_TEMP_LSB 0x0B #define DS2781_VOLT_MSB 0x0C #define DS2781_VOLT_LSB 0x0D #define DS2781_CURRENT_MSB 0x0E #define DS2781_CURRENT_LSB 0x0F #define DS2781_ACR_MSB 0x10 #define DS2781_ACR_LSB 0x11 #define DS2781_ACRL_MSB 0x12 #define DS2781_ACRL_LSB 0x13 #define DS2781_AS 0x14 #define DS2781_SFR 0x15 #define DS2781_FULL_MSB 0x16 #define DS2781_FULL_LSB 0x17 #define DS2781_AE_MSB 0x18 #define DS2781_AE_LSB 0x19 #define DS2781_SE_MSB 0x1A #define DS2781_SE_LSB 0x1B /* Register 0x1C - 0x1E Reserved */ #define DS2781_EEPROM 0x1F #define DS2781_EEPROM_BLOCK0_START 0x20 /* Register 0x20 - 0x2F User EEPROM */ #define DS2781_EEPROM_BLOCK0_END 0x2F /* Register 0x30 - 0x5F Reserved */ #define DS2781_EEPROM_BLOCK1_START 0x60 #define DS2781_CONTROL 0x60 #define DS2781_AB 0x61 #define DS2781_AC_MSB 0x62 #define DS2781_AC_LSB 0x63 #define DS2781_VCHG 0x64 #define DS2781_IMIN 0x65 #define DS2781_VAE 0x66 #define DS2781_IAE 0x67 #define DS2781_AE_40 0x68 #define DS2781_RSNSP 0x69 #define DS2781_FULL_40_MSB 0x6A #define DS2781_FULL_40_LSB 0x6B #define DS2781_FULL_4_SLOPE 0x6C #define DS2781_FULL_3_SLOPE 0x6D #define DS2781_FULL_2_SLOPE 0x6E #define DS2781_FULL_1_SLOPE 0x6F #define DS2781_AE_4_SLOPE 0x70 #define DS2781_AE_3_SLOPE 0x71 #define DS2781_AE_2_SLOPE 0x72 #define DS2781_AE_1_SLOPE 0x73 #define DS2781_SE_4_SLOPE 0x74 #define DS2781_SE_3_SLOPE 0x75 #define DS2781_SE_2_SLOPE 0x76 #define DS2781_SE_1_SLOPE 0x77 #define DS2781_RSGAIN_MSB 0x78 #define DS2781_RSGAIN_LSB 0x79 #define DS2781_RSTC 0x7A #define DS2781_COB 0x7B #define DS2781_TBP34 0x7C #define DS2781_TBP23 0x7D #define DS2781_TBP12 0x7E #define DS2781_EEPROM_BLOCK1_END 0x7F /* Register 0x7D - 0xFF Reserved */ #define DS2781_FSGAIN_MSB 0xB0 #define DS2781_FSGAIN_LSB 0xB1 /* Number of valid register addresses */ #define DS2781_DATA_SIZE 0xB2 /* Status register bits */ #define DS2781_STATUS_CHGTF (1 << 7) #define DS2781_STATUS_AEF (1 << 6) #define DS2781_STATUS_SEF (1 << 5) #define DS2781_STATUS_LEARNF (1 << 4) /* Bit 3 Reserved */ #define DS2781_STATUS_UVF (1 << 2) #define DS2781_STATUS_PORF (1 << 1) /* Bit 0 Reserved */ /* Control register bits */ /* Bit 7 Reserved */ #define DS2781_CONTROL_NBEN (1 << 7) #define DS2781_CONTROL_UVEN (1 << 6) #define DS2781_CONTROL_PMOD (1 << 5) #define DS2781_CONTROL_RNAOP (1 << 4) #define DS1781_CONTROL_UVTH (1 << 3) /* Bit 0 - 2 Reserved */ /* Special feature register bits */ /* Bit 1 - 7 Reserved */ #define DS2781_SFR_PIOSC (1 << 0) /* EEPROM register bits */ #define DS2781_EEPROM_EEC (1 << 7) #define DS2781_EEPROM_LOCK (1 << 6) /* Bit 2 - 6 Reserved */ #define DS2781_EEPROM_BL1 (1 << 1) #define DS2781_EEPROM_BL0 (1 << 0) extern int w1_ds2781_io(struct device *dev, char *buf, int addr, size_t count, int io); extern int w1_ds2781_eeprom_cmd(struct device *dev, int addr, int cmd); #endif /* !_W1_DS2781_H */Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp | |
| renata sayakhova | renata sayakhova | 415 | 100.00% | 1 | 100.00% |
| Total | 415 | 100.00% | 1 | 100.00% |