1 /* 2 * max8998.h - Voltage regulator driver for the Maxim 8998 3 * 4 * Copyright (C) 2009-2010 Samsung Electrnoics 5 * Kyungmin Park <[email protected]> 6 * Marek Szyprowski <[email protected]> 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 __LINUX_MFD_MAX8998_PRIV_H 24 #define __LINUX_MFD_MAX8998_PRIV_H 25 26 #define MAX8998_NUM_IRQ_REGS 4 27 28 /* MAX 8998 registers */ 29 enum { 30 MAX8998_REG_IRQ1, 31 MAX8998_REG_IRQ2, 32 MAX8998_REG_IRQ3, 33 MAX8998_REG_IRQ4, 34 MAX8998_REG_IRQM1, 35 MAX8998_REG_IRQM2, 36 MAX8998_REG_IRQM3, 37 MAX8998_REG_IRQM4, 38 MAX8998_REG_STATUS1, 39 MAX8998_REG_STATUS2, 40 MAX8998_REG_STATUSM1, 41 MAX8998_REG_STATUSM2, 42 MAX8998_REG_CHGR1, 43 MAX8998_REG_CHGR2, 44 MAX8998_REG_LDO_ACTIVE_DISCHARGE1, 45 MAX8998_REG_LDO_ACTIVE_DISCHARGE2, 46 MAX8998_REG_BUCK_ACTIVE_DISCHARGE3, 47 MAX8998_REG_ONOFF1, 48 MAX8998_REG_ONOFF2, 49 MAX8998_REG_ONOFF3, 50 MAX8998_REG_ONOFF4, 51 MAX8998_REG_BUCK1_DVSARM1, 52 MAX8998_REG_BUCK1_DVSARM2, 53 MAX8998_REG_BUCK1_DVSARM3, 54 MAX8998_REG_BUCK1_DVSARM4, 55 MAX8998_REG_BUCK2_DVSINT1, 56 MAX8998_REG_BUCK2_DVSINT2, 57 MAX8998_REG_BUCK3, 58 MAX8998_REG_BUCK4, 59 MAX8998_REG_LDO2_LDO3, 60 MAX8998_REG_LDO4, 61 MAX8998_REG_LDO5, 62 MAX8998_REG_LDO6, 63 MAX8998_REG_LDO7, 64 MAX8998_REG_LDO8_LDO9, 65 MAX8998_REG_LDO10_LDO11, 66 MAX8998_REG_LDO12, 67 MAX8998_REG_LDO13, 68 MAX8998_REG_LDO14, 69 MAX8998_REG_LDO15, 70 MAX8998_REG_LDO16, 71 MAX8998_REG_LDO17, 72 MAX8998_REG_BKCHR, 73 MAX8998_REG_LBCNFG1, 74 MAX8998_REG_LBCNFG2, 75 }; 76 77 /* IRQ definitions */ 78 enum { 79 MAX8998_IRQ_DCINF, 80 MAX8998_IRQ_DCINR, 81 MAX8998_IRQ_JIGF, 82 MAX8998_IRQ_JIGR, 83 MAX8998_IRQ_PWRONF, 84 MAX8998_IRQ_PWRONR, 85 86 MAX8998_IRQ_WTSREVNT, 87 MAX8998_IRQ_SMPLEVNT, 88 MAX8998_IRQ_ALARM1, 89 MAX8998_IRQ_ALARM0, 90 91 MAX8998_IRQ_ONKEY1S, 92 MAX8998_IRQ_TOPOFFR, 93 MAX8998_IRQ_DCINOVPR, 94 MAX8998_IRQ_CHGRSTF, 95 MAX8998_IRQ_DONER, 96 MAX8998_IRQ_CHGFAULT, 97 98 MAX8998_IRQ_LOBAT1, 99 MAX8998_IRQ_LOBAT2, 100 101 MAX8998_IRQ_NR, 102 }; 103 104 #define MAX8998_IRQ_DCINF_MASK (1 << 2) 105 #define MAX8998_IRQ_DCINR_MASK (1 << 3) 106 #define MAX8998_IRQ_JIGF_MASK (1 << 4) 107 #define MAX8998_IRQ_JIGR_MASK (1 << 5) 108 #define MAX8998_IRQ_PWRONF_MASK (1 << 6) 109 #define MAX8998_IRQ_PWRONR_MASK (1 << 7) 110 111 #define MAX8998_IRQ_WTSREVNT_MASK (1 << 0) 112 #define MAX8998_IRQ_SMPLEVNT_MASK (1 << 1) 113 #define MAX8998_IRQ_ALARM1_MASK (1 << 2) 114 #define MAX8998_IRQ_ALARM0_MASK (1 << 3) 115 116 #define MAX8998_IRQ_ONKEY1S_MASK (1 << 0) 117 #define MAX8998_IRQ_TOPOFFR_MASK (1 << 2) 118 #define MAX8998_IRQ_DCINOVPR_MASK (1 << 3) 119 #define MAX8998_IRQ_CHGRSTF_MASK (1 << 4) 120 #define MAX8998_IRQ_DONER_MASK (1 << 5) 121 #define MAX8998_IRQ_CHGFAULT_MASK (1 << 7) 122 123 #define MAX8998_IRQ_LOBAT1_MASK (1 << 0) 124 #define MAX8998_IRQ_LOBAT2_MASK (1 << 1) 125 126 /** 127 * struct max8998_dev - max8998 master device for sub-drivers 128 * @dev: master device of the chip (can be used to access platform data) 129 * @i2c: i2c client private data for regulator 130 * @rtc: i2c client private data for rtc 131 * @iolock: mutex for serializing io access 132 * @irqlock: mutex for buslock 133 * @irq_base: base IRQ number for max8998, required for IRQs 134 * @irq: generic IRQ number for max8998 135 * @ono: power onoff IRQ number for max8998 136 * @irq_masks_cur: currently active value 137 * @irq_masks_cache: cached hardware value 138 */ 139 struct max8998_dev { 140 struct device *dev; 141 struct i2c_client *i2c; 142 struct i2c_client *rtc; 143 struct mutex iolock; 144 struct mutex irqlock; 145 146 int irq_base; 147 int irq; 148 int ono; 149 u8 irq_masks_cur[MAX8998_NUM_IRQ_REGS]; 150 u8 irq_masks_cache[MAX8998_NUM_IRQ_REGS]; 151 }; 152 153 int max8998_irq_init(struct max8998_dev *max8998); 154 void max8998_irq_exit(struct max8998_dev *max8998); 155 156 extern int max8998_read_reg(struct i2c_client *i2c, u8 reg, u8 *dest); 157 extern int max8998_bulk_read(struct i2c_client *i2c, u8 reg, int count, 158 u8 *buf); 159 extern int max8998_write_reg(struct i2c_client *i2c, u8 reg, u8 value); 160 extern int max8998_bulk_write(struct i2c_client *i2c, u8 reg, int count, 161 u8 *buf); 162 extern int max8998_update_reg(struct i2c_client *i2c, u8 reg, u8 val, u8 mask); 163 164 #endif /* __LINUX_MFD_MAX8998_PRIV_H */ 165