include/linux/power/max17042_battery.h

   1 /*
   2  * Fuel gauge driver for Maxim 17042 / 8966 / 8997
   3  *  Note that Maxim 8966 and 8997 are mfd and this is its subdevice.
   4  *
   5  * Copyright (C) 2011 Samsung Electronics
   6  * MyungJoo Ham <myungjoo.ham@samsung.com>
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  21  */
  22
  23 #ifndef __MAX17042_BATTERY_H_
  24 #define __MAX17042_BATTERY_H_
  25
  26 #define MAX17042_STATUS_BattAbsent      (1 << 3)
  27 #define MAX17042_BATTERY_FULL   (100)
  28 #define MAX17042_DEFAULT_SNS_RESISTOR   (10000)
  29
  30 enum max17042_register {
  31         MAX17042_STATUS         = 0x00,
  32         MAX17042_VALRT_Th       = 0x01,
  33         MAX17042_TALRT_Th       = 0x02,
  34         MAX17042_SALRT_Th       = 0x03,
  35         MAX17042_AtRate         = 0x04,
  36         MAX17042_RepCap         = 0x05,
  37         MAX17042_RepSOC         = 0x06,
  38         MAX17042_Age            = 0x07,
  39         MAX17042_TEMP           = 0x08,
  40         MAX17042_VCELL          = 0x09,
  41         MAX17042_Current        = 0x0A,
  42         MAX17042_AvgCurrent     = 0x0B,
  43         MAX17042_Qresidual      = 0x0C,
  44         MAX17042_SOC            = 0x0D,
  45         MAX17042_AvSOC          = 0x0E,
  46         MAX17042_RemCap         = 0x0F,
  47         MAX17402_FullCAP        = 0x10,
  48         MAX17042_TTE            = 0x11,
  49         MAX17042_V_empty        = 0x12,
  50
  51         MAX17042_RSLOW          = 0x14,
  52
  53         MAX17042_AvgTA          = 0x16,
  54         MAX17042_Cycles         = 0x17,
  55         MAX17042_DesignCap      = 0x18,
  56         MAX17042_AvgVCELL       = 0x19,
  57         MAX17042_MinMaxTemp     = 0x1A,
  58         MAX17042_MinMaxVolt     = 0x1B,
  59         MAX17042_MinMaxCurr     = 0x1C,
  60         MAX17042_CONFIG         = 0x1D,
  61         MAX17042_ICHGTerm       = 0x1E,
  62         MAX17042_AvCap          = 0x1F,
  63         MAX17042_ManName        = 0x20,
  64         MAX17042_DevName        = 0x21,
  65         MAX17042_DevChem        = 0x22,
  66
  67         MAX17042_TempNom        = 0x24,
  68         MAX17042_TempCold       = 0x25,
  69         MAX17042_TempHot        = 0x26,
  70         MAX17042_AIN            = 0x27,
  71         MAX17042_LearnCFG       = 0x28,
  72         MAX17042_SHFTCFG        = 0x29,
  73         MAX17042_RelaxCFG       = 0x2A,
  74         MAX17042_MiscCFG        = 0x2B,
  75         MAX17042_TGAIN          = 0x2C,
  76         MAx17042_TOFF           = 0x2D,
  77         MAX17042_CGAIN          = 0x2E,
  78         MAX17042_COFF           = 0x2F,
  79
  80         MAX17042_Q_empty        = 0x33,
  81         MAX17042_T_empty        = 0x34,
  82
  83         MAX17042_RCOMP0         = 0x38,
  84         MAX17042_TempCo         = 0x39,
  85         MAX17042_Rx             = 0x3A,
  86         MAX17042_T_empty0       = 0x3B,
  87         MAX17042_TaskPeriod     = 0x3C,
  88         MAX17042_FSTAT          = 0x3D,
  89
  90         MAX17042_SHDNTIMER      = 0x3F,
  91
  92         MAX17042_VFRemCap       = 0x4A,
  93
  94         MAX17042_QH             = 0x4D,
  95         MAX17042_QL             = 0x4E,
  96 };
  97
  98 /*
  99  * used for setting a register to a desired value
 100  * addr : address for a register
 101  * data : setting value for the register
 102  */
 103 struct max17042_reg_data {
 104         u8 addr;
 105         u16 data;
 106 };
 107
 108 struct max17042_platform_data {
 109         struct max17042_reg_data *init_data;
 110         int num_init_data; /* Number of enties in init_data array */
 111         bool enable_current_sense;
 112
 113         /*
 114          * R_sns in micro-ohms.
 115          * default 10000 (if r_sns = 0) as it is the recommended value by
 116          * the datasheet although it can be changed by board designers.
 117          */
 118         unsigned int r_sns;
 119 };
 120
 121 #endif /* __MAX17042_BATTERY_H_ */