1 /*
2  * max8698.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 /* 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 */
113