Kyungmin Park | 156f252 | 2010-06-16 09:04:16 +0200 | [diff] [blame] | 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 */ |