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Diffstat (limited to 'include/linux/mfd/da9052/bat.h')
| -rw-r--r-- | include/linux/mfd/da9052/bat.h | 341 |
1 files changed, 341 insertions, 0 deletions
diff --git a/include/linux/mfd/da9052/bat.h b/include/linux/mfd/da9052/bat.h new file mode 100644 index 000000000000..63797aad1031 --- /dev/null +++ b/include/linux/mfd/da9052/bat.h @@ -0,0 +1,341 @@ +/* + * 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 */ |