|  | /* | 
|  | * Fuel gauge driver for Maxim 17042 / 8966 / 8997 | 
|  | *  Note that Maxim 8966 and 8997 are mfd and this is its subdevice. | 
|  | * | 
|  | * Copyright (C) 2011 Samsung Electronics | 
|  | * MyungJoo Ham <myungjoo.ham@samsung.com> | 
|  | * | 
|  | * This program is free software; you can redistribute it and/or modify | 
|  | * it under the terms of the GNU General Public License as published by | 
|  | * the Free Software Foundation; either version 2 of the License, or | 
|  | * (at your option) any later version. | 
|  | * | 
|  | * This program is distributed in the hope that it will be useful, | 
|  | * but WITHOUT ANY WARRANTY; without even the implied warranty of | 
|  | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the | 
|  | * GNU General Public License for more details. | 
|  | * | 
|  | * You should have received a copy of the GNU General Public License | 
|  | * along with this program; if not, write to the Free Software | 
|  | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA | 
|  | */ | 
|  |  | 
|  | #ifndef __MAX17042_BATTERY_H_ | 
|  | #define __MAX17042_BATTERY_H_ | 
|  |  | 
|  | #define MAX17042_STATUS_BattAbsent	(1 << 3) | 
|  | #define MAX17042_BATTERY_FULL	(100) | 
|  | #define MAX17042_DEFAULT_SNS_RESISTOR	(10000) | 
|  |  | 
|  | enum max17042_register { | 
|  | MAX17042_STATUS		= 0x00, | 
|  | MAX17042_VALRT_Th	= 0x01, | 
|  | MAX17042_TALRT_Th	= 0x02, | 
|  | MAX17042_SALRT_Th	= 0x03, | 
|  | MAX17042_AtRate		= 0x04, | 
|  | MAX17042_RepCap		= 0x05, | 
|  | MAX17042_RepSOC		= 0x06, | 
|  | MAX17042_Age		= 0x07, | 
|  | MAX17042_TEMP		= 0x08, | 
|  | MAX17042_VCELL		= 0x09, | 
|  | MAX17042_Current	= 0x0A, | 
|  | MAX17042_AvgCurrent	= 0x0B, | 
|  | MAX17042_Qresidual	= 0x0C, | 
|  | MAX17042_SOC		= 0x0D, | 
|  | MAX17042_AvSOC		= 0x0E, | 
|  | MAX17042_RemCap		= 0x0F, | 
|  | MAX17402_FullCAP	= 0x10, | 
|  | MAX17042_TTE		= 0x11, | 
|  | MAX17042_V_empty	= 0x12, | 
|  |  | 
|  | MAX17042_RSLOW		= 0x14, | 
|  |  | 
|  | MAX17042_AvgTA		= 0x16, | 
|  | MAX17042_Cycles		= 0x17, | 
|  | MAX17042_DesignCap	= 0x18, | 
|  | MAX17042_AvgVCELL	= 0x19, | 
|  | MAX17042_MinMaxTemp	= 0x1A, | 
|  | MAX17042_MinMaxVolt	= 0x1B, | 
|  | MAX17042_MinMaxCurr	= 0x1C, | 
|  | MAX17042_CONFIG		= 0x1D, | 
|  | MAX17042_ICHGTerm	= 0x1E, | 
|  | MAX17042_AvCap		= 0x1F, | 
|  | MAX17042_ManName	= 0x20, | 
|  | MAX17042_DevName	= 0x21, | 
|  | MAX17042_DevChem	= 0x22, | 
|  |  | 
|  | MAX17042_TempNom	= 0x24, | 
|  | MAX17042_TempCold	= 0x25, | 
|  | MAX17042_TempHot	= 0x26, | 
|  | MAX17042_AIN		= 0x27, | 
|  | MAX17042_LearnCFG	= 0x28, | 
|  | MAX17042_SHFTCFG	= 0x29, | 
|  | MAX17042_RelaxCFG	= 0x2A, | 
|  | MAX17042_MiscCFG	= 0x2B, | 
|  | MAX17042_TGAIN		= 0x2C, | 
|  | MAx17042_TOFF		= 0x2D, | 
|  | MAX17042_CGAIN		= 0x2E, | 
|  | MAX17042_COFF		= 0x2F, | 
|  |  | 
|  | MAX17042_Q_empty	= 0x33, | 
|  | MAX17042_T_empty	= 0x34, | 
|  |  | 
|  | MAX17042_RCOMP0		= 0x38, | 
|  | MAX17042_TempCo		= 0x39, | 
|  | MAX17042_Rx		= 0x3A, | 
|  | MAX17042_T_empty0	= 0x3B, | 
|  | MAX17042_TaskPeriod	= 0x3C, | 
|  | MAX17042_FSTAT		= 0x3D, | 
|  |  | 
|  | MAX17042_SHDNTIMER	= 0x3F, | 
|  |  | 
|  | MAX17042_VFRemCap	= 0x4A, | 
|  |  | 
|  | MAX17042_QH		= 0x4D, | 
|  | MAX17042_QL		= 0x4E, | 
|  | }; | 
|  |  | 
|  | /* | 
|  | * used for setting a register to a desired value | 
|  | * addr : address for a register | 
|  | * data : setting value for the register | 
|  | */ | 
|  | struct max17042_reg_data { | 
|  | u8 addr; | 
|  | u16 data; | 
|  | }; | 
|  |  | 
|  | struct max17042_platform_data { | 
|  | struct max17042_reg_data *init_data; | 
|  | int num_init_data; /* Number of enties in init_data array */ | 
|  | bool enable_current_sense; | 
|  |  | 
|  | /* | 
|  | * R_sns in micro-ohms. | 
|  | * default 10000 (if r_sns = 0) as it is the recommended value by | 
|  | * the datasheet although it can be changed by board designers. | 
|  | */ | 
|  | unsigned int r_sns; | 
|  | }; | 
|  |  | 
|  | #endif /* __MAX17042_BATTERY_H_ */ |