Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
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
17enum sec_device_type {
18 S5M8751X,
19 S5M8763X,
20 S5M8767X,
21 S2MPS11X,
22};
23
24/**
25 * struct sec_pmic_dev - s5m87xx master device for sub-drivers
26 * @dev: master device of the chip (can be used to access platform data)
27 * @pdata: pointer to private data used to pass platform data to child
28 * @i2c: i2c client private data for regulator
29 * @rtc: i2c client private data for rtc
30 * @iolock: mutex for serializing io access
31 * @irqlock: mutex for buslock
32 * @irq_base: base IRQ number for sec-pmic, required for IRQs
33 * @irq: generic IRQ number for s5m87xx
34 * @ono: power onoff IRQ number for s5m87xx
35 * @irq_masks_cur: currently active value
36 * @irq_masks_cache: cached hardware value
37 * @type: indicate which s5m87xx "variant" is used
38 */
39struct sec_pmic_dev {
40 struct device *dev;
41 struct sec_platform_data *pdata;
42 struct regmap *regmap;
43 struct i2c_client *i2c;
44 struct i2c_client *rtc;
45
46 int device_type;
47 int irq_base;
48 int irq;
49 struct regmap_irq_chip_data *irq_data;
50
51 int ono;
52 int type;
53 bool wakeup;
54};
55
56int sec_irq_init(struct sec_pmic_dev *sec_pmic);
57void sec_irq_exit(struct sec_pmic_dev *sec_pmic);
58int sec_irq_resume(struct sec_pmic_dev *sec_pmic);
59
60extern int sec_reg_read(struct sec_pmic_dev *sec_pmic, u8 reg, void *dest);
61extern int sec_bulk_read(struct sec_pmic_dev *sec_pmic, u8 reg, int count, u8 *buf);
62extern int sec_reg_write(struct sec_pmic_dev *sec_pmic, u8 reg, u8 value);
63extern int sec_bulk_write(struct sec_pmic_dev *sec_pmic, u8 reg, int count, u8 *buf);
64extern int sec_reg_update(struct sec_pmic_dev *sec_pmic, u8 reg, u8 val, u8 mask);
65
66struct sec_platform_data {
67 struct sec_regulator_data *regulators;
68 struct sec_opmode_data *opmode;
69 int device_type;
70 int num_regulators;
71
72 int irq_base;
73 int (*cfg_pmic_irq)(void);
74
75 int ono;
76 bool wakeup;
77 bool buck_voltage_lock;
78
79 int buck_gpios[3];
80 int buck_ds[3];
81 unsigned int buck2_voltage[8];
82 bool buck2_gpiodvs;
83 unsigned int buck3_voltage[8];
84 bool buck3_gpiodvs;
85 unsigned int buck4_voltage[8];
86 bool buck4_gpiodvs;
87
88 int buck_set1;
89 int buck_set2;
90 int buck_set3;
91 int buck2_enable;
92 int buck3_enable;
93 int buck4_enable;
94 int buck_default_idx;
95 int buck2_default_idx;
96 int buck3_default_idx;
97 int buck4_default_idx;
98
99 int buck_ramp_delay;
100
101 int buck2_ramp_delay;
102 int buck34_ramp_delay;
103 int buck5_ramp_delay;
104 int buck16_ramp_delay;
105 int buck7810_ramp_delay;
106 int buck9_ramp_delay;
107
108 bool buck2_ramp_enable;
109 bool buck3_ramp_enable;
110 bool buck4_ramp_enable;
111 bool buck6_ramp_enable;
112
113 int buck2_init;
114 int buck3_init;
115 int buck4_init;
116};
117
118/**
119 * sec_regulator_data - regulator data
120 * @id: regulator id
121 * @initdata: regulator init data (contraints, supplies, ...)
122 */
123struct sec_regulator_data {
124 int id;
125 struct regulator_init_data *initdata;
126 struct device_node *reg_node;
127};
128
129/*
130 * sec_opmode_data - regulator operation mode data
131 * @id: regulator id
132 * @mode: regulator operation mode
133 */
134struct sec_opmode_data {
135 int id;
136 unsigned int mode;
137};
138
139/*
140 * samsung regulator operation mode
141 * SEC_OPMODE_OFF Regulator always OFF
142 * SEC_OPMODE_ON Regulator always ON
143 * SEC_OPMODE_LOWPOWER Regulator is on in low-power mode
144 * SEC_OPMODE_SUSPEND Regulator is changed by PWREN pin
145 * If PWREN is high, regulator is on
146 * If PWREN is low, regulator is off
147 */
148
149enum sec_opmode {
150 SEC_OPMODE_OFF,
151 SEC_OPMODE_ON,
152 SEC_OPMODE_LOWPOWER,
153 SEC_OPMODE_SUSPEND,
154};
155
156#endif /* __LINUX_MFD_SEC_CORE_H */