summaryrefslogtreecommitdiffstats
path: root/include/linux/mfd/max8998-private.h
blob: effa5d3b96ae8f524d4fdce7b744ac8f4bd9f977 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
/*
 * max8998.h - Voltage regulator driver for the Maxim 8998
 *
 *  Copyright (C) 2009-2010 Samsung Electrnoics
 *  Kyungmin Park <kyungmin.park@samsung.com>
 *  Marek Szyprowski <m.szyprowski@samsung.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#ifndef __LINUX_MFD_MAX8998_PRIV_H
#define __LINUX_MFD_MAX8998_PRIV_H

#define MAX8998_NUM_IRQ_REGS	4

/* MAX 8998 registers */
enum {
	MAX8998_REG_IRQ1,
	MAX8998_REG_IRQ2,
	MAX8998_REG_IRQ3,
	MAX8998_REG_IRQ4,
	MAX8998_REG_IRQM1,
	MAX8998_REG_IRQM2,
	MAX8998_REG_IRQM3,
	MAX8998_REG_IRQM4,
	MAX8998_REG_STATUS1,
	MAX8998_REG_STATUS2,
	MAX8998_REG_STATUSM1,
	MAX8998_REG_STATUSM2,
	MAX8998_REG_CHGR1,
	MAX8998_REG_CHGR2,
	MAX8998_REG_LDO_ACTIVE_DISCHARGE1,
	MAX8998_REG_LDO_ACTIVE_DISCHARGE2,
	MAX8998_REG_BUCK_ACTIVE_DISCHARGE3,
	MAX8998_REG_ONOFF1,
	MAX8998_REG_ONOFF2,
	MAX8998_REG_ONOFF3,
	MAX8998_REG_ONOFF4,
	MAX8998_REG_BUCK1_VOLTAGE1,
	MAX8998_REG_BUCK1_VOLTAGE2,
	MAX8998_REG_BUCK1_VOLTAGE3,
	MAX8998_REG_BUCK1_VOLTAGE4,
	MAX8998_REG_BUCK2_VOLTAGE1,
	MAX8998_REG_BUCK2_VOLTAGE2,
	MAX8998_REG_BUCK3,
	MAX8998_REG_BUCK4,
	MAX8998_REG_LDO2_LDO3,
	MAX8998_REG_LDO4,
	MAX8998_REG_LDO5,
	MAX8998_REG_LDO6,
	MAX8998_REG_LDO7,
	MAX8998_REG_LDO8_LDO9,
	MAX8998_REG_LDO10_LDO11,
	MAX8998_REG_LDO12,
	MAX8998_REG_LDO13,
	MAX8998_REG_LDO14,
	MAX8998_REG_LDO15,
	MAX8998_REG_LDO16,
	MAX8998_REG_LDO17,
	MAX8998_REG_BKCHR,
	MAX8998_REG_LBCNFG1,
	MAX8998_REG_LBCNFG2,
};

/* IRQ definitions */
enum {
	MAX8998_IRQ_DCINF,
	MAX8998_IRQ_DCINR,
	MAX8998_IRQ_JIGF,
	MAX8998_IRQ_JIGR,
	MAX8998_IRQ_PWRONF,
	MAX8998_IRQ_PWRONR,

	MAX8998_IRQ_WTSREVNT,
	MAX8998_IRQ_SMPLEVNT,
	MAX8998_IRQ_ALARM1,
	MAX8998_IRQ_ALARM0,

	MAX8998_IRQ_ONKEY1S,
	MAX8998_IRQ_TOPOFFR,
	MAX8998_IRQ_DCINOVPR,
	MAX8998_IRQ_CHGRSTF,
	MAX8998_IRQ_DONER,
	MAX8998_IRQ_CHGFAULT,

	MAX8998_IRQ_LOBAT1,
	MAX8998_IRQ_LOBAT2,

	MAX8998_IRQ_NR,
};

/* MAX8998 various variants */
enum {
	TYPE_MAX8998 = 0, /* Default */
	TYPE_LP3974,	/* National version of MAX8998 */
	TYPE_LP3979,	/* Added AVS */
};

#define MAX8998_IRQ_DCINF_MASK		(1 << 2)
#define MAX8998_IRQ_DCINR_MASK		(1 << 3)
#define MAX8998_IRQ_JIGF_MASK		(1 << 4)
#define MAX8998_IRQ_JIGR_MASK		(1 << 5)
#define MAX8998_IRQ_PWRONF_MASK		(1 << 6)
#define MAX8998_IRQ_PWRONR_MASK		(1 << 7)

#define MAX8998_IRQ_WTSREVNT_MASK	(1 << 0)
#define MAX8998_IRQ_SMPLEVNT_MASK	(1 << 1)
#define MAX8998_IRQ_ALARM1_MASK		(1 << 2)
#define MAX8998_IRQ_ALARM0_MASK		(1 << 3)

#define MAX8998_IRQ_ONKEY1S_MASK	(1 << 0)
#define MAX8998_IRQ_TOPOFFR_MASK	(1 << 2)
#define MAX8998_IRQ_DCINOVPR_MASK	(1 << 3)
#define MAX8998_IRQ_CHGRSTF_MASK	(1 << 4)
#define MAX8998_IRQ_DONER_MASK		(1 << 5)
#define MAX8998_IRQ_CHGFAULT_MASK	(1 << 7)

#define MAX8998_IRQ_LOBAT1_MASK		(1 << 0)
#define MAX8998_IRQ_LOBAT2_MASK		(1 << 1)

#define MAX8998_ENRAMP                  (1 << 4)

/**
 * struct max8998_dev - max8998 master device for sub-drivers
 * @dev: master device of the chip (can be used to access platform data)
 * @i2c: i2c client private data for regulator
 * @rtc: i2c client private data for rtc
 * @iolock: mutex for serializing io access
 * @irqlock: mutex for buslock
 * @irq_base: base IRQ number for max8998, required for IRQs
 * @irq: generic IRQ number for max8998
 * @ono: power onoff IRQ number for max8998
 * @irq_masks_cur: currently active value
 * @irq_masks_cache: cached hardware value
 * @type: indicate which max8998 "variant" is used
 */
struct max8998_dev {
	struct device *dev;
	struct i2c_client *i2c;
	struct i2c_client *rtc;
	struct mutex iolock;
	struct mutex irqlock;

	int irq_base;
	int irq;
	int ono;
	u8 irq_masks_cur[MAX8998_NUM_IRQ_REGS];
	u8 irq_masks_cache[MAX8998_NUM_IRQ_REGS];
	int type;
	bool wakeup;
};

int max8998_irq_init(struct max8998_dev *max8998);
void max8998_irq_exit(struct max8998_dev *max8998);
int max8998_irq_resume(struct max8998_dev *max8998);

extern int max8998_read_reg(struct i2c_client *i2c, u8 reg, u8 *dest);
extern int max8998_bulk_read(struct i2c_client *i2c, u8 reg, int count,
		u8 *buf);
extern int max8998_write_reg(struct i2c_client *i2c, u8 reg, u8 value);
extern int max8998_bulk_write(struct i2c_client *i2c, u8 reg, int count,
		u8 *buf);
extern int max8998_update_reg(struct i2c_client *i2c, u8 reg, u8 val, u8 mask);

#endif /*  __LINUX_MFD_MAX8998_PRIV_H */
OpenPOWER on IntegriCloud