include/linux/mfd/samsung/core.h

   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 enum 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  */
  39 struct 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         bool wtsr_smpl;
  55 };
  56
  57 int sec_irq_init(struct sec_pmic_dev *sec_pmic);
  58 void sec_irq_exit(struct sec_pmic_dev *sec_pmic);
  59 int sec_irq_resume(struct sec_pmic_dev *sec_pmic);
  60
  61 extern int sec_reg_read(struct sec_pmic_dev *sec_pmic, u8 reg, void *dest);
  62 extern int sec_bulk_read(struct sec_pmic_dev *sec_pmic, u8 reg, int count, u8 *buf);
  63 extern int sec_reg_write(struct sec_pmic_dev *sec_pmic, u8 reg, u8 value);
  64 extern int sec_bulk_write(struct sec_pmic_dev *sec_pmic, u8 reg, int count, u8 *buf);
  65 extern int sec_reg_update(struct sec_pmic_dev *sec_pmic, u8 reg, u8 val, u8 mask);
  66
  67 struct sec_platform_data {
  68         struct sec_regulator_data       *regulators;
  69         struct sec_opmode_data          *opmode;
  70         int                             device_type;
  71         int                             num_regulators;
  72
  73         int                             irq_base;
  74         int                             (*cfg_pmic_irq)(void);
  75
  76         int                             ono;
  77         bool                            wakeup;
  78         bool                            buck_voltage_lock;
  79
  80         int                             buck_gpios[3];
  81         int                             buck_ds[3];
  82         unsigned int                    buck2_voltage[8];
  83         bool                            buck2_gpiodvs;
  84         unsigned int                    buck3_voltage[8];
  85         bool                            buck3_gpiodvs;
  86         unsigned int                    buck4_voltage[8];
  87         bool                            buck4_gpiodvs;
  88
  89         int                             buck_set1;
  90         int                             buck_set2;
  91         int                             buck_set3;
  92         int                             buck2_enable;
  93         int                             buck3_enable;
  94         int                             buck4_enable;
  95         int                             buck_default_idx;
  96         int                             buck2_default_idx;
  97         int                             buck3_default_idx;
  98         int                             buck4_default_idx;
  99
 100         int                             buck_ramp_delay;
 101
 102         int                             buck2_ramp_delay;
 103         int                             buck34_ramp_delay;
 104         int                             buck5_ramp_delay;
 105         int                             buck16_ramp_delay;
 106         int                             buck7810_ramp_delay;
 107         int                             buck9_ramp_delay;
 108
 109         bool                            buck2_ramp_enable;
 110         bool                            buck3_ramp_enable;
 111         bool                            buck4_ramp_enable;
 112         bool                            buck6_ramp_enable;
 113
 114         int                             buck2_init;
 115         int                             buck3_init;
 116         int                             buck4_init;
 117 };
 118
 119 /**
 120  * sec_regulator_data - regulator data
 121  * @id: regulator id
 122  * @initdata: regulator init data (contraints, supplies, ...)
 123  */
 124 struct sec_regulator_data {
 125         int                             id;
 126         struct regulator_init_data      *initdata;
 127         struct device_node *reg_node;
 128 };
 129
 130 /*
 131  * sec_opmode_data - regulator operation mode data
 132  * @id: regulator id
 133  * @mode: regulator operation mode
 134  */
 135 struct sec_opmode_data {
 136         int id;
 137         unsigned int mode;
 138 };
 139
 140 /*
 141  * samsung regulator operation mode
 142  * SEC_OPMODE_OFF       Regulator always OFF
 143  * SEC_OPMODE_ON        Regulator always ON
 144  * SEC_OPMODE_LOWPOWER  Regulator is on in low-power mode
 145  * SEC_OPMODE_SUSPEND   Regulator is changed by PWREN pin
 146  *                      If PWREN is high, regulator is on
 147  *                      If PWREN is low, regulator is off
 148  */
 149
 150 enum sec_opmode {
 151         SEC_OPMODE_OFF,
 152         SEC_OPMODE_ON,
 153         SEC_OPMODE_LOWPOWER,
 154         SEC_OPMODE_SUSPEND,
 155 };
 156
 157 #endif /*  __LINUX_MFD_SEC_CORE_H */