/* * 1-Wire implementation for the ds2780 chip * * Copyright (C) 2010 Indesign, LLC * * Author: Clifton Barnes <cabarnes@indesign-llc.com> * * 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_DS2780_H #define _W1_DS2780_H /* Function commands */ #define W1_DS2780_READ_DATA 0x69 #define W1_DS2780_WRITE_DATA 0x6C #define W1_DS2780_COPY_DATA 0x48 #define W1_DS2780_RECALL_DATA 0xB8 #define W1_DS2780_LOCK 0x6A /* Register map */ /* Register 0x00 Reserved */ #define DS2780_STATUS_REG 0x01 #define DS2780_RAAC_MSB_REG 0x02 #define DS2780_RAAC_LSB_REG 0x03 #define DS2780_RSAC_MSB_REG 0x04 #define DS2780_RSAC_LSB_REG 0x05 #define DS2780_RARC_REG 0x06 #define DS2780_RSRC_REG 0x07 #define DS2780_IAVG_MSB_REG 0x08 #define DS2780_IAVG_LSB_REG 0x09 #define DS2780_TEMP_MSB_REG 0x0A #define DS2780_TEMP_LSB_REG 0x0B #define DS2780_VOLT_MSB_REG 0x0C #define DS2780_VOLT_LSB_REG 0x0D #define DS2780_CURRENT_MSB_REG 0x0E #define DS2780_CURRENT_LSB_REG 0x0F #define DS2780_ACR_MSB_REG 0x10 #define DS2780_ACR_LSB_REG 0x11 #define DS2780_ACRL_MSB_REG 0x12 #define DS2780_ACRL_LSB_REG 0x13 #define DS2780_AS_REG 0x14 #define DS2780_SFR_REG 0x15 #define DS2780_FULL_MSB_REG 0x16 #define DS2780_FULL_LSB_REG 0x17 #define DS2780_AE_MSB_REG 0x18 #define DS2780_AE_LSB_REG 0x19 #define DS2780_SE_MSB_REG 0x1A #define DS2780_SE_LSB_REG 0x1B /* Register 0x1C - 0x1E Reserved */ #define DS2780_EEPROM_REG 0x1F #define DS2780_EEPROM_BLOCK0_START 0x20 /* Register 0x20 - 0x2F User EEPROM */ #define DS2780_EEPROM_BLOCK0_END 0x2F /* Register 0x30 - 0x5F Reserved */ #define DS2780_EEPROM_BLOCK1_START 0x60 #define DS2780_CONTROL_REG 0x60 #define DS2780_AB_REG 0x61 #define DS2780_AC_MSB_REG 0x62 #define DS2780_AC_LSB_REG 0x63 #define DS2780_VCHG_REG 0x64 #define DS2780_IMIN_REG 0x65 #define DS2780_VAE_REG 0x66 #define DS2780_IAE_REG 0x67 #define DS2780_AE_40_REG 0x68 #define DS2780_RSNSP_REG 0x69 #define DS2780_FULL_40_MSB_REG 0x6A #define DS2780_FULL_40_LSB_REG 0x6B #define DS2780_FULL_3040_SLOPE_REG 0x6C #define DS2780_FULL_2030_SLOPE_REG 0x6D #define DS2780_FULL_1020_SLOPE_REG 0x6E #define DS2780_FULL_0010_SLOPE_REG 0x6F #define DS2780_AE_3040_SLOPE_REG 0x70 #define DS2780_AE_2030_SLOPE_REG 0x71 #define DS2780_AE_1020_SLOPE_REG 0x72 #define DS2780_AE_0010_SLOPE_REG 0x73 #define DS2780_SE_3040_SLOPE_REG 0x74 #define DS2780_SE_2030_SLOPE_REG 0x75 #define DS2780_SE_1020_SLOPE_REG 0x76 #define DS2780_SE_0010_SLOPE_REG 0x77 #define DS2780_RSGAIN_MSB_REG 0x78 #define DS2780_RSGAIN_LSB_REG 0x79 #define DS2780_RSTC_REG 0x7A #define DS2780_FRSGAIN_MSB_REG 0x7B #define DS2780_FRSGAIN_LSB_REG 0x7C #define DS2780_EEPROM_BLOCK1_END 0x7C /* Register 0x7D - 0xFF Reserved */ /* Number of valid register addresses */ #define DS2780_DATA_SIZE 0x80 /* Status register bits */ #define DS2780_STATUS_REG_CHGTF (1 << 7) #define DS2780_STATUS_REG_AEF (1 << 6) #define DS2780_STATUS_REG_SEF (1 << 5) #define DS2780_STATUS_REG_LEARNF (1 << 4) /* Bit 3 Reserved */ #define DS2780_STATUS_REG_UVF (1 << 2) #define DS2780_STATUS_REG_PORF (1 << 1) /* Bit 0 Reserved */ /* Control register bits */ /* Bit 7 Reserved */ #define DS2780_CONTROL_REG_UVEN (1 << 6) #define DS2780_CONTROL_REG_PMOD (1 << 5) #define DS2780_CONTROL_REG_RNAOP (1 << 4) /* Bit 0 - 3 Reserved */ /* Special feature register bits */ /* Bit 1 - 7 Reserved */ #define DS2780_SFR_REG_PIOSC (1 << 0) /* EEPROM register bits */ #define DS2780_EEPROM_REG_EEC (1 << 7) #define DS2780_EEPROM_REG_LOCK (1 << 6) /* Bit 2 - 6 Reserved */ #define DS2780_EEPROM_REG_BL1 (1 << 1) #define DS2780_EEPROM_REG_BL0 (1 << 0) extern int w1_ds2780_io(struct device *dev, char *buf, int addr, size_t count, int io); extern int w1_ds2780_eeprom_cmd(struct device *dev, int addr, int cmd); #endif /* !_W1_DS2780_H */Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp | |
| clifton barnes | clifton barnes | 391 | 100.00% | 1 | 100.00% |
| Total | 391 | 100.00% | 1 | 100.00% |