release/src-rt-6.x.4708/linux/linux-2.6.36/include/linux/mfd/max8998-private.h

   1 /*
   2  * max8698.h - Voltage regulator driver for the Maxim 8998
   3  *
   4  *  Copyright (C) 2009-2010 Samsung Electrnoics
   5  *  Kyungmin Park <kyungmin.park@samsung.com>
   6  *  Marek Szyprowski <m.szyprowski@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 __LINUX_MFD_MAX8998_PRIV_H
  24 #define __LINUX_MFD_MAX8998_PRIV_H
  25
  26 /* MAX 8998 registers */
  27 enum {
  28         MAX8998_REG_IRQ1,
  29         MAX8998_REG_IRQ2,
  30         MAX8998_REG_IRQ3,
  31         MAX8998_REG_IRQ4,
  32         MAX8998_REG_IRQM1,
  33         MAX8998_REG_IRQM2,
  34         MAX8998_REG_IRQM3,
  35         MAX8998_REG_IRQM4,
  36         MAX8998_REG_STATUS1,
  37         MAX8998_REG_STATUS2,
  38         MAX8998_REG_STATUSM1,
  39         MAX8998_REG_STATUSM2,
  40         MAX8998_REG_CHGR1,
  41         MAX8998_REG_CHGR2,
  42         MAX8998_REG_LDO_ACTIVE_DISCHARGE1,
  43         MAX8998_REG_LDO_ACTIVE_DISCHARGE2,
  44         MAX8998_REG_BUCK_ACTIVE_DISCHARGE3,
  45         MAX8998_REG_ONOFF1,
  46         MAX8998_REG_ONOFF2,
  47         MAX8998_REG_ONOFF3,
  48         MAX8998_REG_ONOFF4,
  49         MAX8998_REG_BUCK1_DVSARM1,
  50         MAX8998_REG_BUCK1_DVSARM2,
  51         MAX8998_REG_BUCK1_DVSARM3,
  52         MAX8998_REG_BUCK1_DVSARM4,
  53         MAX8998_REG_BUCK2_DVSINT1,
  54         MAX8998_REG_BUCK2_DVSINT2,
  55         MAX8998_REG_BUCK3,
  56         MAX8998_REG_BUCK4,
  57         MAX8998_REG_LDO2_LDO3,
  58         MAX8998_REG_LDO4,
  59         MAX8998_REG_LDO5,
  60         MAX8998_REG_LDO6,
  61         MAX8998_REG_LDO7,
  62         MAX8998_REG_LDO8_LDO9,
  63         MAX8998_REG_LDO10_LDO11,
  64         MAX8998_REG_LDO12,
  65         MAX8998_REG_LDO13,
  66         MAX8998_REG_LDO14,
  67         MAX8998_REG_LDO15,
  68         MAX8998_REG_LDO16,
  69         MAX8998_REG_LDO17,
  70         MAX8998_REG_BKCHR,
  71         MAX8998_REG_LBCNFG1,
  72         MAX8998_REG_LBCNFG2,
  73 };
  74
  75 /**
  76  * struct max8998_dev - max8998 master device for sub-drivers
  77  * @dev: master device of the chip (can be used to access platform data)
  78  * @i2c_client: i2c client private data
  79  * @dev_read(): chip register read function
  80  * @dev_write(): chip register write function
  81  * @dev_update(): chip register update function
  82  * @iolock: mutex for serializing io access
  83  */
  84
  85 struct max8998_dev {
  86         struct device *dev;
  87         struct i2c_client *i2c_client;
  88         int (*dev_read)(struct max8998_dev *max8998, u8 reg, u8 *dest);
  89         int (*dev_write)(struct max8998_dev *max8998, u8 reg, u8 val);
  90         int (*dev_update)(struct max8998_dev *max8998, u8 reg, u8 val, u8 mask);
  91         struct mutex iolock;
  92 };
  93
  94 static inline int max8998_read_reg(struct max8998_dev *max8998, u8 reg,
  95                                    u8 *value)
  96 {
  97         return max8998->dev_read(max8998, reg, value);
  98 }
  99
 100 static inline int max8998_write_reg(struct max8998_dev *max8998, u8 reg,
 101                                     u8 value)
 102 {
 103         return max8998->dev_write(max8998, reg, value);
 104 }
 105
 106 static inline int max8998_update_reg(struct max8998_dev *max8998, u8 reg,
 107                                      u8 value, u8 mask)
 108 {
 109         return max8998->dev_update(max8998, reg, value, mask);
 110 }
 111
 112 #endif /*  __LINUX_MFD_MAX8998_PRIV_H */