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/*
* da9052 BAT module declarations.
*
* Copyright(c) 2009 Dialog Semiconductor Ltd.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
#ifndef __LINUX_MFD_DA9052_BAT_H
#define __LINUX_MFD_DA9052_BAT_H
#include <linux/power_supply.h>
/* STATIC CONFIGURATION */
#define BAT_MANUFACTURER "Samsung"
#define BAT_TYPE POWER_SUPPLY_TECHNOLOGY_LION
#define DA9052_LOOK_UP_TABLE_SIZE 68
#define DA9052_NO_OF_LOOKUP_TABLE 3
#define CURRENT_MONITORING_WINDOW 10
#define FILTER_SIZE 4
#define DA9052_NUMBER_OF_STORE_CURENT_READING 4
#define DA9052_ILLEGAL_BATTERY_DETECT 1
#define DA9052_BAT_FILTER_HYS 0
static const u16 temperature_lookup_ref
[DA9052_NO_OF_LOOKUP_TABLE] = {10, 25, 40};
static u32 const vbat_vs_capacity_look_up[DA9052_NO_OF_LOOKUP_TABLE]
[DA9052_LOOK_UP_TABLE_SIZE][2] = {
/* For temperature 10 degree celisus*/
{
{4082, 100}, {4036, 98},
{4020, 96}, {4008, 95},
{3997, 93}, {3983, 91},
{3964, 90}, {3943, 88},
{3926, 87}, {3912, 85},
{3900, 84}, {3890, 82},
{3881, 80}, {3873, 79},
{3865, 77}, {3857, 76},
{3848, 74}, {3839, 73},
{3829, 71}, {3820, 70},
{3811, 68}, {3802, 67},
{3794, 65}, {3785, 64},
{3778, 62}, {3770, 61},
{3763, 59}, {3756, 58},
{3750, 56}, {3744, 55},
{3738, 53}, {3732, 52},
{3727, 50}, {3722, 49},
{3717, 47}, {3712, 46},
{3708, 44}, {3703, 43},
{3700, 41}, {3696, 40},
{3693, 38}, {3691, 37},
{3688, 35}, {3686, 34},
{3683, 32}, {3681, 31},
{3678, 29}, {3675, 28},
{3672, 26}, {3669, 25},
{3665, 23}, {3661, 22},
{3656, 21}, {3651, 19},
{3645, 18}, {3639, 16},
{3631, 15}, {3622, 13},
{3611, 12}, {3600, 10},
{3587, 9}, {3572, 7},
{3548, 6}, {3503, 5},
{3420, 3}, {3268, 2},
{2992, 1}, {2746, 0}
},
/* For temperature 25 degree celisus */
{
{4102, 100}, {4065, 98},
{4048, 96}, {4034, 95},
{4021, 93}, {4011, 92},
{4001, 90}, {3986, 88},
{3968, 87}, {3952, 85},
{3938, 84}, {3926, 82},
{3916, 81}, {3908, 79},
{3900, 77}, {3892, 76},
{3883, 74}, {3874, 73},
{3864, 71}, {3855, 70},
{3846, 68}, {3836, 67},
{3827, 65}, {3819, 64},
{3810, 62}, {3801, 61},
{3793, 59}, {3786, 58},
{3778, 56}, {3772, 55},
{3765, 53}, {3759, 52},
{3754, 50}, {3748, 49},
{3743, 47}, {3738, 46},
{3733, 44}, {3728, 43},
{3724, 41}, {3720, 40},
{3716, 38}, {3712, 37},
{3709, 35}, {3706, 34},
{3703, 33}, {3701, 31},
{3698, 30}, {3696, 28},
{3693, 27}, {3690, 25},
{3687, 24}, {3683, 22},
{3680, 21}, {3675, 19},
{3671, 18}, {3666, 17},
{3660, 15}, {3654, 14},
{3647, 12}, {3639, 11},
{3630, 9}, {3621, 8},
{3613, 6}, {3606, 5},
{3597, 4}, {3582, 2},
{3546, 1}, {2747, 0}
},
/* For temperature 40 degree celisus*/
{
{4114, 100}, {4081, 98},
{4065, 96}, {4050, 95},
{4036, 93}, {4024, 92},
{4013, 90}, {4002, 88},
{3990, 87}, {3976, 85},
{3962, 84}, {3950, 82},
{3939, 81}, {3930, 79},
{3921, 77}, {3912, 76},
{3902, 74}, {3893, 73},
{3883, 71}, {3874, 70},
{3865, 68}, {3856, 67},
{3847, 65}, {3838, 64},
{3829, 62}, {3820, 61},
{3812, 59}, {3803, 58},
{3795, 56}, {3787, 55},
{3780, 53}, {3773, 52},
{3767, 50}, {3761, 49},
{3756, 47}, {3751, 46},
{3746, 44}, {3741, 43},
{3736, 41}, {3732, 40},
{3728, 38}, {3724, 37},
{3720, 35}, {3716, 34},
{3713, 33}, {3710, 31},
{3707, 30}, {3704, 28},
{3701, 27}, {3698, 25},
{3695, 24}, {3691, 22},
{3686, 21}, {3681, 19},
{3676, 18}, {3671, 17},
{3666, 15}, {3661, 14},
{3655, 12}, {3648, 11},
{3640, 9}, {3632, 8},
{3622, 6}, {3616, 5},
{3611, 4}, {3604, 2},
{3594, 1}, {2747, 0}
}
};
enum charge_status_enum {
DA9052_NONE = 1,
DA9052_CHARGING,
DA9052_DISCHARGING_WITH_CHARGER,
DA9052_DISCHARGING_WITHOUT_CHARGER,
DA9052_PRECHARGING,
DA9052_LINEARCHARGING,
DA9052_CHARGEEND
};
enum charger_type_enum {
DA9052_NOCHARGER = 1,
DA9052_USB_HUB,
DA9052_USB_CHARGER,
DA9052_WALL_CHARGER
};
enum precharge_enum {
PRE_CHARGE_0MA = 0,
PRE_CHARGE_20MA = 20,
PRE_CHARGE_40MA = 40,
PRE_CHARGE_60MA = 60
};
struct da9052_bat_event_registration {
u8 da9052_event_vddlow:1;
u8 da9052_event_tbat:1;
};
struct da9052_bat_threshold {
u16 vddout_mon;
u16 ichg_thr;
u16 tbat_thr_min;
u16 tbat_thr_max;
u16 tbat_thr_highns;
u16 tbat_thr_limit;
u16 tjunc_thr_limit;
u16 ichg_av_thr_min;
u16 ichg_av_thr_max;
};
struct da9052_bat_hysteresis {
u16 bat_volt_arr[3];
u16 array_hys_batvoltage[2];
u16 upper_limit;
u16 lower_limit;
u8 index;
u8 hys_flag;
};
struct da9052_bat_status {
u8 cal_capacity;
u8 charging_mode;
u8 charger_type;
u8 health;
u8 status;
u8 illegalbattery;
};
struct monitoring_state {
u16 vddout_value;
u16 bat_temp_value;
u16 current_value;
u16 junc_temp_value;
u8 bat_level;
u8 vddout_status:1;
u8 bat_temp_status:1;
u8 junc_temp_status:1;
u8 current_status:1;
u8 bat_level_status:1;
};
struct da9052_bat_device {
char manufacture[32];
u16 chg_current_raw[DA9052_NUMBER_OF_STORE_CURENT_READING];
u16 chg_current;
u16 chg_junc_temp;
u16 bat_voltage;
u16 backup_bat_voltage;
u16 bat_temp;
u16 vddout;
};
/* Below macro is for testing purpose only */
#define DA9052_BAT_STATUS 1
#if (DA9052_BAT_STATUS == 1)
struct bat_thread_type {
u8 pid;
u8 state;
struct completion notifier;
struct task_struct *thread_task;
};
#endif
struct da9052_charger_device {
struct da9052_bat_threshold threshold;
struct da9052 *da9052;
struct da9052_bat_platform_data *bat_pdata;
struct delayed_work work;
#if (DA9052_BAT_STATUS == 1)
struct bat_thread_type print_bat_status;
#endif
struct power_supply psy;
struct da9052_eh_nb vddlow_eh_data;
struct da9052_eh_nb tbat_eh_data;
u16 monitoring_interval;
u8 hys_flag;
u16 charger_voltage_drop;
u16 bat_target_voltage;
u16 voltage_threshold;
u16 dcin_current;
u16 vbus_current;
u16 usb_charger_current;;
u16 chg_end_current;
u16 precharging_current;
u16 charging_time;
u8 timer_mode:1;
u8 charger_buck_lp:1;
u8 usb_charger_det:1;
u8 ichg_low_cntr:1;
u8 sw_temp_cntr:1;
u8 auto_temp_cntr:1;
};
static inline u8 bat_temp_reg_to_C(u16 value) { return (55 - value); }
static inline u8 bat_mV_to_reg(u16 value) { return (((value-4100)/100)<<4); }
static inline u8 bat_drop_mV_to_reg(u16 value)
{ return (((value-100)/100)<<6); }
static inline u16 bat_reg_to_mV(u8 value) { return ((value*100) + 4100); }
static inline u16 bat_drop_reg_to_mV(u8 value) { return ((value*100)+100); }
static inline u8 vch_thr_mV_to_reg(u16 value) { return ((value-3700)/100); }
static inline u8 precharge_mA_to_reg(u8 value) { return ((value/20)<<6); }
static inline u8 vddout_mon_mV_to_reg(u16 value)
{ return (((value-2500)*128)/1000); }
static inline u16 vddout_reg_to_mV(u8 value)
{ return ((value*1000)/128)+2500; }
static inline u16 volt_reg_to_mV(u16 value)
{ return ((value*1000)/512)+2500; }
static inline u8 ichg_mA_to_reg(u16 value) { return (value/4); }
static inline u16 ichg_reg_to_mA(u8 value) { return ((value*3900)/1000); }
static inline u8 iset_mA_to_reg(u16 iset_value)
{\
if ((70 <= iset_value) && (iset_value <= 120)) \
return (iset_value-70)/10; \
else if ((400 <= iset_value) && (iset_value <= 700)) \
return ((iset_value-400)/50)+6; \
else if ((900 <= iset_value) && (iset_value <= 1300)) \
return ((iset_value-900)/200)+13; else return 0;
}
#define DA9052_BAT_DEBUG 0
#define DA9052_BAT_PROFILE 0
#define SUCCESS 0
#define FAILURE 1
#define TRUE 1
#define FALSE 0
#define set_bits(value, mask) (value | mask)
#define clear_bits(value, mask) (value & ~(mask))
#undef DA9052_DEBUG
#if DA9052_BAT_DEBUG
#define DA9052_DEBUG(fmt, args...) printk(KERN_CRIT "" fmt, ##args)
#else
#define DA9052_DEBUG(fmt, args...)
#endif
/* SSC Read or Write Error */
#define DA9052_SSC_FAIL 150
/* To enable debug output for your module, set this to 1 */
#define DA9052_SSC_DEBUG 0
#undef DA9052_DEBUG
#if DA9052_SSC_DEBUG
#define DA9052_DEBUG(fmt, args...) printk(KERN_CRIT "" fmt, ##args)
#else
#define DA9052_DEBUG(fmt, args...)
#endif
#endif /* __LINUX_MFD_DA9052_BAT_H */
|
