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 #define NUM_IRQ_REGS    4
  18
  19 enum sec_device_type {
  20         S5M8751X,
  21         S5M8763X,
  22         S5M8767X,
  23         S2MPS11X,
  24 };
  25
  26 /**
  27  * struct sec_pmic_dev - s5m87xx master device for sub-drivers
  28  * @dev: master device of the chip (can be used to access platform data)
  29  * @i2c: i2c client private data for regulator
  30  * @rtc: i2c client private data for rtc
  31  * @iolock: mutex for serializing io access
  32  * @irqlock: mutex for buslock
  33  * @irq_base: base IRQ number for sec-pmic, required for IRQs
  34  * @irq: generic IRQ number for s5m87xx
  35  * @ono: power onoff IRQ number for s5m87xx
  36  * @irq_masks_cur: currently active value
  37  * @irq_masks_cache: cached hardware value
  38  * @type: indicate which s5m87xx "variant" is used
  39  */
  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
 122 /**
 123  * sec_regulator_data - regulator data
 124  * @id: regulator id
 125  * @initdata: regulator init data (contraints, supplies, ...)
 126  */
 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 */