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Kyungmin Park156f2522010-06-16 09:04:16 +02001/*
Joonyoung Shim2c7e6f52010-09-10 18:36:39 +02002 * max8998.h - Voltage regulator driver for the Maxim 8998
Kyungmin Park156f2522010-06-16 09:04:16 +02003 *
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
Joonyoung Shim2c7e6f52010-09-10 18:36:39 +020026#define MAX8998_NUM_IRQ_REGS 4
27
Kyungmin Park156f2522010-06-16 09:04:16 +020028/* MAX 8998 registers */
29enum {
30 MAX8998_REG_IRQ1,
31 MAX8998_REG_IRQ2,
32 MAX8998_REG_IRQ3,
33 MAX8998_REG_IRQ4,
34 MAX8998_REG_IRQM1,
35 MAX8998_REG_IRQM2,
36 MAX8998_REG_IRQM3,
37 MAX8998_REG_IRQM4,
38 MAX8998_REG_STATUS1,
39 MAX8998_REG_STATUS2,
40 MAX8998_REG_STATUSM1,
41 MAX8998_REG_STATUSM2,
42 MAX8998_REG_CHGR1,
43 MAX8998_REG_CHGR2,
44 MAX8998_REG_LDO_ACTIVE_DISCHARGE1,
45 MAX8998_REG_LDO_ACTIVE_DISCHARGE2,
46 MAX8998_REG_BUCK_ACTIVE_DISCHARGE3,
47 MAX8998_REG_ONOFF1,
48 MAX8998_REG_ONOFF2,
49 MAX8998_REG_ONOFF3,
50 MAX8998_REG_ONOFF4,
Lukasz Majewski889cd5a2010-09-27 14:32:25 +020051 MAX8998_REG_BUCK1_VOLTAGE1,
52 MAX8998_REG_BUCK1_VOLTAGE2,
53 MAX8998_REG_BUCK1_VOLTAGE3,
54 MAX8998_REG_BUCK1_VOLTAGE4,
55 MAX8998_REG_BUCK2_VOLTAGE1,
56 MAX8998_REG_BUCK2_VOLTAGE2,
Kyungmin Park156f2522010-06-16 09:04:16 +020057 MAX8998_REG_BUCK3,
58 MAX8998_REG_BUCK4,
59 MAX8998_REG_LDO2_LDO3,
60 MAX8998_REG_LDO4,
61 MAX8998_REG_LDO5,
62 MAX8998_REG_LDO6,
63 MAX8998_REG_LDO7,
64 MAX8998_REG_LDO8_LDO9,
65 MAX8998_REG_LDO10_LDO11,
66 MAX8998_REG_LDO12,
67 MAX8998_REG_LDO13,
68 MAX8998_REG_LDO14,
69 MAX8998_REG_LDO15,
70 MAX8998_REG_LDO16,
71 MAX8998_REG_LDO17,
72 MAX8998_REG_BKCHR,
73 MAX8998_REG_LBCNFG1,
74 MAX8998_REG_LBCNFG2,
75};
76
Joonyoung Shim2c7e6f52010-09-10 18:36:39 +020077/* IRQ definitions */
78enum {
79 MAX8998_IRQ_DCINF,
80 MAX8998_IRQ_DCINR,
81 MAX8998_IRQ_JIGF,
82 MAX8998_IRQ_JIGR,
83 MAX8998_IRQ_PWRONF,
84 MAX8998_IRQ_PWRONR,
85
86 MAX8998_IRQ_WTSREVNT,
87 MAX8998_IRQ_SMPLEVNT,
88 MAX8998_IRQ_ALARM1,
89 MAX8998_IRQ_ALARM0,
90
91 MAX8998_IRQ_ONKEY1S,
92 MAX8998_IRQ_TOPOFFR,
93 MAX8998_IRQ_DCINOVPR,
94 MAX8998_IRQ_CHGRSTF,
95 MAX8998_IRQ_DONER,
96 MAX8998_IRQ_CHGFAULT,
97
98 MAX8998_IRQ_LOBAT1,
99 MAX8998_IRQ_LOBAT2,
100
101 MAX8998_IRQ_NR,
102};
103
Lukasz Majewski509bd472010-09-27 14:32:24 +0200104/* MAX8998 various variants */
105enum {
106 TYPE_MAX8998 = 0, /* Default */
107 TYPE_LP3974, /* National version of MAX8998 */
108 TYPE_LP3979, /* Added AVS */
109};
110
Joonyoung Shim2c7e6f52010-09-10 18:36:39 +0200111#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
Lukasz Majewski509bd472010-09-27 14:32:24 +0200133#define MAX8998_ENRAMP (1 << 4)
134
Kyungmin Park156f2522010-06-16 09:04:16 +0200135/**
136 * struct max8998_dev - max8998 master device for sub-drivers
137 * @dev: master device of the chip (can be used to access platform data)
Joonyoung Shim9b16c0a2010-08-06 11:28:08 +0900138 * @i2c: i2c client private data for regulator
139 * @rtc: i2c client private data for rtc
Kyungmin Park156f2522010-06-16 09:04:16 +0200140 * @iolock: mutex for serializing io access
Joonyoung Shim2c7e6f52010-09-10 18:36:39 +0200141 * @irqlock: mutex for buslock
142 * @irq_base: base IRQ number for max8998, required for IRQs
143 * @irq: generic IRQ number for max8998
144 * @ono: power onoff IRQ number for max8998
145 * @irq_masks_cur: currently active value
146 * @irq_masks_cache: cached hardware value
Lukasz Majewski509bd472010-09-27 14:32:24 +0200147 * @type: indicate which max8998 "variant" is used
Kyungmin Park156f2522010-06-16 09:04:16 +0200148 */
Kyungmin Park156f2522010-06-16 09:04:16 +0200149struct max8998_dev {
150 struct device *dev;
Joonyoung Shim676e02d2010-08-06 11:28:06 +0900151 struct i2c_client *i2c;
Joonyoung Shim9b16c0a2010-08-06 11:28:08 +0900152 struct i2c_client *rtc;
Kyungmin Park156f2522010-06-16 09:04:16 +0200153 struct mutex iolock;
Joonyoung Shim2c7e6f52010-09-10 18:36:39 +0200154 struct mutex irqlock;
155
156 int irq_base;
157 int irq;
158 int ono;
159 u8 irq_masks_cur[MAX8998_NUM_IRQ_REGS];
160 u8 irq_masks_cache[MAX8998_NUM_IRQ_REGS];
Lukasz Majewski509bd472010-09-27 14:32:24 +0200161 int type;
MyungJoo Hamcdd137c2010-12-23 17:53:36 +0900162 bool wakeup;
Kyungmin Park156f2522010-06-16 09:04:16 +0200163};
164
Joonyoung Shim2c7e6f52010-09-10 18:36:39 +0200165int max8998_irq_init(struct max8998_dev *max8998);
166void max8998_irq_exit(struct max8998_dev *max8998);
MyungJoo Hamcdd137c2010-12-23 17:53:36 +0900167int max8998_irq_resume(struct max8998_dev *max8998);
Joonyoung Shim2c7e6f52010-09-10 18:36:39 +0200168
Joonyoung Shim676e02d2010-08-06 11:28:06 +0900169extern int max8998_read_reg(struct i2c_client *i2c, u8 reg, u8 *dest);
Joonyoung Shim2c7e6f52010-09-10 18:36:39 +0200170extern int max8998_bulk_read(struct i2c_client *i2c, u8 reg, int count,
171 u8 *buf);
Joonyoung Shim676e02d2010-08-06 11:28:06 +0900172extern int max8998_write_reg(struct i2c_client *i2c, u8 reg, u8 value);
Joonyoung Shim9b16c0a2010-08-06 11:28:08 +0900173extern int max8998_bulk_write(struct i2c_client *i2c, u8 reg, int count,
174 u8 *buf);
Joonyoung Shim676e02d2010-08-06 11:28:06 +0900175extern int max8998_update_reg(struct i2c_client *i2c, u8 reg, u8 val, u8 mask);
Kyungmin Park156f2522010-06-16 09:04:16 +0200176
177#endif /* __LINUX_MFD_MAX8998_PRIV_H */