mirror of https://gitee.com/openkylin/linux.git
126 lines
3.8 KiB
C
126 lines
3.8 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
|
|
/*
|
|
* 1-Wire implementation for the ds2780 chip
|
|
*
|
|
* Copyright (C) 2010 Indesign, LLC
|
|
*
|
|
* Author: Clifton Barnes <cabarnes@indesign-llc.com>
|
|
*
|
|
* Based on w1-ds2760 driver
|
|
*/
|
|
|
|
#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 */
|