| MyungJoo Ham | 359ab9f | 2011-01-14 14:46:11 +0900 | [diff] [blame] | 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 | |
| Donggeun Kim | 086ef50 | 2011-06-30 18:07:41 +0900 | [diff] [blame] | 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 | |
| MyungJoo Ham | 359ab9f | 2011-01-14 14:46:11 +0900 | [diff] [blame] | 108 | struct max17042_platform_data { |
| Donggeun Kim | 086ef50 | 2011-06-30 18:07:41 +0900 | [diff] [blame] | 109 | struct max17042_reg_data *init_data; |
| 110 | int num_init_data; /* Number of enties in init_data array */ |
| MyungJoo Ham | 359ab9f | 2011-01-14 14:46:11 +0900 | [diff] [blame] | 111 | bool enable_current_sense; |
| Donggeun Kim | 086ef50 | 2011-06-30 18:07:41 +0900 | [diff] [blame] | 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; |
| MyungJoo Ham | 359ab9f | 2011-01-14 14:46:11 +0900 | [diff] [blame] | 119 | }; |
| 120 | |
| 121 | #endif /* __MAX17042_BATTERY_H_ */ |