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core.h
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1 /*
2  * core.h
3  *
4  * copyright (c) 2011 Samsung Electronics Co., Ltd
5  * http://www.samsung.com
6  *
7  * This program is free software; you can redistribute it and/or modify it
8  * under the terms of the GNU General Public License as published by the
9  * Free Software Foundation; either version 2 of the License, or (at your
10  * option) any later version.
11  *
12  */
13 
14 #ifndef __LINUX_MFD_SEC_CORE_H
15 #define __LINUX_MFD_SEC_CORE_H
16 
17 #define NUM_IRQ_REGS 4
18 
19 enum sec_device_type {
20  S5M8751X,
21  S5M8763X,
22  S5M8767X,
23  S2MPS11X,
24 };
25 
40 struct sec_pmic_dev {
41  struct device *dev;
42  struct regmap *regmap;
43  struct i2c_client *i2c;
44  struct i2c_client *rtc;
45  struct mutex iolock;
46  struct mutex irqlock;
47 
48  int device_type;
49  int irq_base;
50  int irq;
51  struct regmap_irq_chip_data *irq_data;
52 
53  int ono;
54  u8 irq_masks_cur[NUM_IRQ_REGS];
55  u8 irq_masks_cache[NUM_IRQ_REGS];
56  int type;
57  bool wakeup;
58 };
59 
60 int sec_irq_init(struct sec_pmic_dev *sec_pmic);
61 void sec_irq_exit(struct sec_pmic_dev *sec_pmic);
62 int sec_irq_resume(struct sec_pmic_dev *sec_pmic);
63 
64 extern int sec_reg_read(struct sec_pmic_dev *sec_pmic, u8 reg, void *dest);
65 extern int sec_bulk_read(struct sec_pmic_dev *sec_pmic, u8 reg, int count, u8 *buf);
66 extern int sec_reg_write(struct sec_pmic_dev *sec_pmic, u8 reg, u8 value);
67 extern int sec_bulk_write(struct sec_pmic_dev *sec_pmic, u8 reg, int count, u8 *buf);
68 extern int sec_reg_update(struct sec_pmic_dev *sec_pmic, u8 reg, u8 val, u8 mask);
69 
70 struct sec_platform_data {
71  struct sec_regulator_data *regulators;
72  struct sec_opmode_data *opmode;
73  int device_type;
74  int num_regulators;
75 
76  int irq_base;
77  int (*cfg_pmic_irq)(void);
78 
79  int ono;
80  bool wakeup;
81  bool buck_voltage_lock;
82 
83  int buck_gpios[3];
84  int buck_ds[3];
85  int buck2_voltage[8];
86  bool buck2_gpiodvs;
87  int buck3_voltage[8];
88  bool buck3_gpiodvs;
89  int buck4_voltage[8];
90  bool buck4_gpiodvs;
91 
92  int buck_set1;
93  int buck_set2;
94  int buck_set3;
95  int buck2_enable;
96  int buck3_enable;
97  int buck4_enable;
98  int buck_default_idx;
99  int buck2_default_idx;
100  int buck3_default_idx;
101  int buck4_default_idx;
102 
103  int buck_ramp_delay;
104 
105  int buck2_ramp_delay;
106  int buck34_ramp_delay;
107  int buck5_ramp_delay;
108  int buck16_ramp_delay;
109  int buck7810_ramp_delay;
110  int buck9_ramp_delay;
111 
112  bool buck2_ramp_enable;
113  bool buck3_ramp_enable;
114  bool buck4_ramp_enable;
115  bool buck6_ramp_enable;
116 
117  int buck2_init;
118  int buck3_init;
119  int buck4_init;
120 };
121 
127 struct sec_regulator_data {
128  int id;
129  struct regulator_init_data *initdata;
130 };
131 
132 /*
133  * sec_opmode_data - regulator operation mode data
134  * @id: regulator id
135  * @mode: regulator operation mode
136  */
137 struct sec_opmode_data {
138  int id;
139  int mode;
140 };
141 
142 /*
143  * samsung regulator operation mode
144  * SEC_OPMODE_OFF Regulator always OFF
145  * SEC_OPMODE_ON Regulator always ON
146  * SEC_OPMODE_LOWPOWER Regulator is on in low-power mode
147  * SEC_OPMODE_SUSPEND Regulator is changed by PWREN pin
148  * If PWREN is high, regulator is on
149  * If PWREN is low, regulator is off
150  */
151 
152 enum sec_opmode {
153  SEC_OPMODE_OFF,
154  SEC_OPMODE_ON,
155  SEC_OPMODE_LOWPOWER,
156  SEC_OPMODE_SUSPEND,
157 };
158 
159 #endif /* __LINUX_MFD_SEC_CORE_H */
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