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max8998-private.h
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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 {
75 };
76 
77 /* IRQ definitions */
78 enum {
85 
90 
97 
100 
102 };
103 
104 /* MAX8998 various variants */
105 enum {
106  TYPE_MAX8998 = 0, /* Default */
107  TYPE_LP3974, /* National version of MAX8998 */
108  TYPE_LP3979, /* Added AVS */
109 };
110 
111 #define MAX8998_IRQ_DCINF_MASK (1 << 2)
112 #define MAX8998_IRQ_DCINR_MASK (1 << 3)
113 #define MAX8998_IRQ_JIGF_MASK (1 << 4)
114 #define MAX8998_IRQ_JIGR_MASK (1 << 5)
115 #define MAX8998_IRQ_PWRONF_MASK (1 << 6)
116 #define MAX8998_IRQ_PWRONR_MASK (1 << 7)
117 
118 #define MAX8998_IRQ_WTSREVNT_MASK (1 << 0)
119 #define MAX8998_IRQ_SMPLEVNT_MASK (1 << 1)
120 #define MAX8998_IRQ_ALARM1_MASK (1 << 2)
121 #define MAX8998_IRQ_ALARM0_MASK (1 << 3)
122 
123 #define MAX8998_IRQ_ONKEY1S_MASK (1 << 0)
124 #define MAX8998_IRQ_TOPOFFR_MASK (1 << 2)
125 #define MAX8998_IRQ_DCINOVPR_MASK (1 << 3)
126 #define MAX8998_IRQ_CHGRSTF_MASK (1 << 4)
127 #define MAX8998_IRQ_DONER_MASK (1 << 5)
128 #define MAX8998_IRQ_CHGFAULT_MASK (1 << 7)
129 
130 #define MAX8998_IRQ_LOBAT1_MASK (1 << 0)
131 #define MAX8998_IRQ_LOBAT2_MASK (1 << 1)
132 
133 #define MAX8998_ENRAMP (1 << 4)
134 
149 struct max8998_dev {
150  struct device *dev;
151  struct i2c_client *i2c;
152  struct i2c_client *rtc;
153  struct mutex iolock;
154  struct mutex irqlock;
155 
156  int irq_base;
157  int irq;
158  int ono;
161  int type;
162  bool wakeup;
163 };
164 
165 int max8998_irq_init(struct max8998_dev *max8998);
166 void max8998_irq_exit(struct max8998_dev *max8998);
167 int max8998_irq_resume(struct max8998_dev *max8998);
168 
169 extern int max8998_read_reg(struct i2c_client *i2c, u8 reg, u8 *dest);
170 extern int max8998_bulk_read(struct i2c_client *i2c, u8 reg, int count,
171  u8 *buf);
172 extern int max8998_write_reg(struct i2c_client *i2c, u8 reg, u8 value);
173 extern int max8998_bulk_write(struct i2c_client *i2c, u8 reg, int count,
174  u8 *buf);
175 extern int max8998_update_reg(struct i2c_client *i2c, u8 reg, u8 val, u8 mask);
176 
177 #endif /* __LINUX_MFD_MAX8998_PRIV_H */