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/* SPDX-License-Identifier: GPL-2.0-only */
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# ifndef _AB8500_CHARGER_H_
# define _AB8500_CHARGER_H_
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# include <linux/kernel.h>
/*
* System control 2 register offsets .
* bank = 0x02
*/
# define AB8500_MAIN_WDOG_CTRL_REG 0x01
# define AB8500_LOW_BAT_REG 0x03
# define AB8500_BATT_OK_REG 0x04
/*
* USB / ULPI register offsets
* Bank : 0x5
*/
# define AB8500_USB_LINE_STAT_REG 0x80
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# define AB8500_USB_LINE_CTRL2_REG 0x82
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# define AB8500_USB_LINK1_STAT_REG 0x94
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/*
* Charger / status register offfsets
* Bank : 0x0B
*/
# define AB8500_CH_STATUS1_REG 0x00
# define AB8500_CH_STATUS2_REG 0x01
# define AB8500_CH_USBCH_STAT1_REG 0x02
# define AB8500_CH_USBCH_STAT2_REG 0x03
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# define AB8540_CH_USBCH_STAT3_REG 0x04
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# define AB8500_CH_STAT_REG 0x05
/*
* Charger / control register offfsets
* Bank : 0x0B
*/
# define AB8500_CH_VOLT_LVL_REG 0x40
# define AB8500_CH_VOLT_LVL_MAX_REG 0x41 /*Only in Cut2.0*/
# define AB8500_CH_OPT_CRNTLVL_REG 0x42
# define AB8500_CH_OPT_CRNTLVL_MAX_REG 0x43 /*Only in Cut2.0*/
# define AB8500_CH_WD_TIMER_REG 0x50
# define AB8500_CHARG_WD_CTRL 0x51
# define AB8500_BTEMP_HIGH_TH 0x52
# define AB8500_LED_INDICATOR_PWM_CTRL 0x53
# define AB8500_LED_INDICATOR_PWM_DUTY 0x54
# define AB8500_BATT_OVV 0x55
# define AB8500_CHARGER_CTRL 0x56
# define AB8500_BAT_CTRL_CURRENT_SOURCE 0x60 /*Only in Cut2.0*/
/*
* Charger / main control register offsets
* Bank : 0x0B
*/
# define AB8500_MCH_CTRL1 0x80
# define AB8500_MCH_CTRL2 0x81
# define AB8500_MCH_IPT_CURLVL_REG 0x82
# define AB8500_CH_WD_REG 0x83
/*
* Charger / USB control register offsets
* Bank : 0x0B
*/
# define AB8500_USBCH_CTRL1_REG 0xC0
# define AB8500_USBCH_CTRL2_REG 0xC1
# define AB8500_USBCH_IPT_CRNTLVL_REG 0xC2
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# define AB8540_USB_PP_MODE_REG 0xC5
# define AB8540_USB_PP_CHR_REG 0xC6
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/*
* Gas Gauge register offsets
* Bank : 0x0C
*/
# define AB8500_GASG_CC_CTRL_REG 0x00
# define AB8500_GASG_CC_ACCU1_REG 0x01
# define AB8500_GASG_CC_ACCU2_REG 0x02
# define AB8500_GASG_CC_ACCU3_REG 0x03
# define AB8500_GASG_CC_ACCU4_REG 0x04
# define AB8500_GASG_CC_SMPL_CNTRL_REG 0x05
# define AB8500_GASG_CC_SMPL_CNTRH_REG 0x06
# define AB8500_GASG_CC_SMPL_CNVL_REG 0x07
# define AB8500_GASG_CC_SMPL_CNVH_REG 0x08
# define AB8500_GASG_CC_CNTR_AVGOFF_REG 0x09
# define AB8500_GASG_CC_OFFSET_REG 0x0A
# define AB8500_GASG_CC_NCOV_ACCU 0x10
# define AB8500_GASG_CC_NCOV_ACCU_CTRL 0x11
# define AB8500_GASG_CC_NCOV_ACCU_LOW 0x12
# define AB8500_GASG_CC_NCOV_ACCU_MED 0x13
# define AB8500_GASG_CC_NCOV_ACCU_HIGH 0x14
/*
* Interrupt register offsets
* Bank : 0x0E
*/
# define AB8500_IT_SOURCE2_REG 0x01
# define AB8500_IT_SOURCE21_REG 0x14
/*
* RTC register offsets
* Bank : 0x0F
*/
# define AB8500_RTC_BACKUP_CHG_REG 0x0C
# define AB8500_RTC_CC_CONF_REG 0x01
# define AB8500_RTC_CTRL_REG 0x0B
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# define AB8500_RTC_CTRL1_REG 0x11
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/*
* OTP register offsets
* Bank : 0x15
*/
# define AB8500_OTP_CONF_15 0x0E
/* GPADC constants from AB8500 spec, UM0836 */
# define ADC_RESOLUTION 1024
# define ADC_CH_MAIN_MIN 0
# define ADC_CH_MAIN_MAX 20030
# define ADC_CH_VBUS_MIN 0
# define ADC_CH_VBUS_MAX 20030
# define ADC_CH_VBAT_MIN 2300
# define ADC_CH_VBAT_MAX 4800
# define ADC_CH_BKBAT_MIN 0
# define ADC_CH_BKBAT_MAX 3200
/* Main charge i/p current */
# define MAIN_CH_IP_CUR_0P9A 0x80
# define MAIN_CH_IP_CUR_1P0A 0x90
# define MAIN_CH_IP_CUR_1P1A 0xA0
# define MAIN_CH_IP_CUR_1P2A 0xB0
# define MAIN_CH_IP_CUR_1P3A 0xC0
# define MAIN_CH_IP_CUR_1P4A 0xD0
# define MAIN_CH_IP_CUR_1P5A 0xE0
/* ChVoltLevel */
# define CH_VOL_LVL_3P5 0x00
# define CH_VOL_LVL_4P0 0x14
# define CH_VOL_LVL_4P05 0x16
# define CH_VOL_LVL_4P1 0x1B
# define CH_VOL_LVL_4P15 0x20
# define CH_VOL_LVL_4P2 0x25
# define CH_VOL_LVL_4P6 0x4D
/* ChOutputCurrentLevel */
# define CH_OP_CUR_LVL_0P1 0x00
# define CH_OP_CUR_LVL_0P2 0x01
# define CH_OP_CUR_LVL_0P3 0x02
# define CH_OP_CUR_LVL_0P4 0x03
# define CH_OP_CUR_LVL_0P5 0x04
# define CH_OP_CUR_LVL_0P6 0x05
# define CH_OP_CUR_LVL_0P7 0x06
# define CH_OP_CUR_LVL_0P8 0x07
# define CH_OP_CUR_LVL_0P9 0x08
# define CH_OP_CUR_LVL_1P4 0x0D
# define CH_OP_CUR_LVL_1P5 0x0E
# define CH_OP_CUR_LVL_1P6 0x0F
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# define CH_OP_CUR_LVL_2P 0x3F
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/* BTEMP High thermal limits */
# define BTEMP_HIGH_TH_57_0 0x00
# define BTEMP_HIGH_TH_52 0x01
# define BTEMP_HIGH_TH_57_1 0x02
# define BTEMP_HIGH_TH_62 0x03
/* current is mA */
# define USB_0P1A 100
# define USB_0P2A 200
# define USB_0P3A 300
# define USB_0P4A 400
# define USB_0P5A 500
# define LOW_BAT_3P1V 0x20
# define LOW_BAT_2P3V 0x00
# define LOW_BAT_RESET 0x01
# define LOW_BAT_ENABLE 0x01
/* Backup battery constants */
# define BUP_ICH_SEL_50UA 0x00
# define BUP_ICH_SEL_150UA 0x04
# define BUP_ICH_SEL_300UA 0x08
# define BUP_ICH_SEL_700UA 0x0C
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enum bup_vch_sel {
BUP_VCH_SEL_2P5V ,
BUP_VCH_SEL_2P6V ,
BUP_VCH_SEL_2P8V ,
BUP_VCH_SEL_3P1V ,
/*
* Note that the following 5 values 2.7 v , 2.9 v , 3.0 v , 3.2 v , 3.3 v
* are only available on ab8540 . You can ' t choose these 5
* voltage on ab8500 / ab8505 / ab9540 .
*/
BUP_VCH_SEL_2P7V ,
BUP_VCH_SEL_2P9V ,
BUP_VCH_SEL_3P0V ,
BUP_VCH_SEL_3P2V ,
BUP_VCH_SEL_3P3V ,
} ;
# define BUP_VCH_RANGE 0x02
# define VBUP33_VRTCN 0x01
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/* Battery OVV constants */
# define BATT_OVV_ENA 0x02
# define BATT_OVV_TH_3P7 0x00
# define BATT_OVV_TH_4P75 0x01
/* A value to indicate over voltage */
# define BATT_OVV_VALUE 4750
/* VBUS OVV constants */
# define VBUS_OVV_SELECT_MASK 0x78
# define VBUS_OVV_SELECT_5P6V 0x00
# define VBUS_OVV_SELECT_5P7V 0x08
# define VBUS_OVV_SELECT_5P8V 0x10
# define VBUS_OVV_SELECT_5P9V 0x18
# define VBUS_OVV_SELECT_6P0V 0x20
# define VBUS_OVV_SELECT_6P1V 0x28
# define VBUS_OVV_SELECT_6P2V 0x30
# define VBUS_OVV_SELECT_6P3V 0x38
# define VBUS_AUTO_IN_CURR_LIM_ENA 0x04
/* Fuel Gauge constants */
# define RESET_ACCU 0x02
# define READ_REQ 0x01
# define CC_DEEP_SLEEP_ENA 0x02
# define CC_PWR_UP_ENA 0x01
# define CC_SAMPLES_40 0x28
# define RD_NCONV_ACCU_REQ 0x01
# define CC_CALIB 0x08
# define CC_INTAVGOFFSET_ENA 0x10
# define CC_MUXOFFSET 0x80
# define CC_INT_CAL_N_AVG_MASK 0x60
# define CC_INT_CAL_SAMPLES_16 0x40
# define CC_INT_CAL_SAMPLES_8 0x20
# define CC_INT_CAL_SAMPLES_4 0x00
/* RTC constants */
# define RTC_BUP_CH_ENA 0x10
/* BatCtrl Current Source Constants */
# define BAT_CTRL_7U_ENA 0x01
# define BAT_CTRL_20U_ENA 0x02
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# define BAT_CTRL_18U_ENA 0x01
# define BAT_CTRL_16U_ENA 0x02
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# define BAT_CTRL_CMP_ENA 0x04
# define FORCE_BAT_CTRL_CMP_HIGH 0x08
# define BAT_CTRL_PULL_UP_ENA 0x10
/* Battery type */
# define BATTERY_UNKNOWN 00
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/* Registers for pcut feature in ab8505 and ab9540 */
# define AB8505_RTC_PCUT_CTL_STATUS_REG 0x12
# define AB8505_RTC_PCUT_TIME_REG 0x13
# define AB8505_RTC_PCUT_MAX_TIME_REG 0x14
# define AB8505_RTC_PCUT_FLAG_TIME_REG 0x15
# define AB8505_RTC_PCUT_RESTART_REG 0x16
# define AB8505_RTC_PCUT_DEBOUNCE_REG 0x17
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/* USB Power Path constants for ab8540 */
# define BUS_VSYS_VOL_SELECT_MASK 0x06
# define BUS_VSYS_VOL_SELECT_3P6V 0x00
# define BUS_VSYS_VOL_SELECT_3P325V 0x02
# define BUS_VSYS_VOL_SELECT_3P9V 0x04
# define BUS_VSYS_VOL_SELECT_4P3V 0x06
# define BUS_POWER_PATH_MODE_ENA 0x01
# define BUS_PP_PRECHG_CURRENT_MASK 0x0E
# define BUS_POWER_PATH_PRECHG_ENA 0x01
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/*
* ADC for the battery thermistor .
* When using the ABx500_ADC_THERM_BATCTRL the battery ID resistor is combined
* with a NTC resistor to both identify the battery and to measure its
* temperature . Different phone manufactures uses different techniques to both
* identify the battery and to read its temperature .
*/
enum abx500_adc_therm {
ABx500_ADC_THERM_BATCTRL ,
ABx500_ADC_THERM_BATTEMP ,
} ;
/**
* struct abx500_res_to_temp - defines one point in a temp to res curve . To
* be used in battery packs that combines the identification resistor with a
* NTC resistor .
* @ temp : battery pack temperature in Celsius
* @ resist : NTC resistor net total resistance
*/
struct abx500_res_to_temp {
int temp ;
int resist ;
} ;
/**
* struct abx500_v_to_cap - Table for translating voltage to capacity
* @ voltage : Voltage in mV
* @ capacity : Capacity in percent
*/
struct abx500_v_to_cap {
int voltage ;
int capacity ;
} ;
/* Forward declaration */
struct abx500_fg ;
/**
* struct abx500_fg_parameters - Fuel gauge algorithm parameters , in seconds
* if not specified
* @ recovery_sleep_timer : Time between measurements while recovering
* @ recovery_total_time : Total recovery time
* @ init_timer : Measurement interval during startup
* @ init_discard_time : Time we discard voltage measurement at startup
* @ init_total_time : Total init time during startup
* @ high_curr_time : Time current has to be high to go to recovery
* @ accu_charging : FG accumulation time while charging
* @ accu_high_curr : FG accumulation time in high current mode
* @ high_curr_threshold : High current threshold , in mA
* @ lowbat_threshold : Low battery threshold , in mV
* @ overbat_threshold : Over battery threshold , in mV
* @ battok_falling_th_sel0 Threshold in mV for battOk signal sel0
* Resolution in 50 mV step .
* @ battok_raising_th_sel1 Threshold in mV for battOk signal sel1
* Resolution in 50 mV step .
* @ user_cap_limit Capacity reported from user must be within this
* limit to be considered as sane , in percentage
* points .
* @ maint_thres This is the threshold where we stop reporting
* battery full while in maintenance , in per cent
* @ pcut_enable : Enable power cut feature in ab8505
* @ pcut_max_time : Max time threshold
* @ pcut_flag_time : Flagtime threshold
* @ pcut_max_restart : Max number of restarts
* @ pcut_debounce_time : Sets battery debounce time
*/
struct abx500_fg_parameters {
int recovery_sleep_timer ;
int recovery_total_time ;
int init_timer ;
int init_discard_time ;
int init_total_time ;
int high_curr_time ;
int accu_charging ;
int accu_high_curr ;
int high_curr_threshold ;
int lowbat_threshold ;
int overbat_threshold ;
int battok_falling_th_sel0 ;
int battok_raising_th_sel1 ;
int user_cap_limit ;
int maint_thres ;
bool pcut_enable ;
u8 pcut_max_time ;
u8 pcut_flag_time ;
u8 pcut_max_restart ;
u8 pcut_debounce_time ;
} ;
/**
* struct abx500_charger_maximization - struct used by the board config .
* @ use_maxi : Enable maximization for this battery type
* @ maxi_chg_curr : Maximum charger current allowed
* @ maxi_wait_cycles : cycles to wait before setting charger current
* @ charger_curr_step delta between two charger current settings ( mA )
*/
struct abx500_maxim_parameters {
bool ena_maxi ;
int chg_curr ;
int wait_cycles ;
int charger_curr_step ;
} ;
/**
* struct abx500_battery_type - different batteries supported
* @ name : battery technology
* @ resis_high : battery upper resistance limit
* @ resis_low : battery lower resistance limit
* @ charge_full_design : Maximum battery capacity in mAh
* @ nominal_voltage : Nominal voltage of the battery in mV
* @ termination_vol : max voltage upto which battery can be charged
* @ termination_curr battery charging termination current in mA
* @ recharge_cap battery capacity limit that will trigger a new
* full charging cycle in the case where maintenan -
* - ce charging has been disabled
* @ normal_cur_lvl : charger current in normal state in mA
* @ normal_vol_lvl : charger voltage in normal state in mV
* @ maint_a_cur_lvl : charger current in maintenance A state in mA
* @ maint_a_vol_lvl : charger voltage in maintenance A state in mV
* @ maint_a_chg_timer_h : charge time in maintenance A state
* @ maint_b_cur_lvl : charger current in maintenance B state in mA
* @ maint_b_vol_lvl : charger voltage in maintenance B state in mV
* @ maint_b_chg_timer_h : charge time in maintenance B state
* @ low_high_cur_lvl : charger current in temp low / high state in mA
* @ low_high_vol_lvl : charger voltage in temp low / high state in mV '
* @ battery_resistance : battery inner resistance in mOhm .
* @ n_r_t_tbl_elements : number of elements in r_to_t_tbl
* @ r_to_t_tbl : table containing resistance to temp points
* @ n_v_cap_tbl_elements : number of elements in v_to_cap_tbl
* @ v_to_cap_tbl : Voltage to capacity ( in % ) table
* @ n_batres_tbl_elements number of elements in the batres_tbl
* @ batres_tbl battery internal resistance vs temperature table
*/
struct abx500_battery_type {
int name ;
int resis_high ;
int resis_low ;
int charge_full_design ;
int nominal_voltage ;
int termination_vol ;
int termination_curr ;
int recharge_cap ;
int normal_cur_lvl ;
int normal_vol_lvl ;
int maint_a_cur_lvl ;
int maint_a_vol_lvl ;
int maint_a_chg_timer_h ;
int maint_b_cur_lvl ;
int maint_b_vol_lvl ;
int maint_b_chg_timer_h ;
int low_high_cur_lvl ;
int low_high_vol_lvl ;
int battery_resistance ;
int n_temp_tbl_elements ;
const struct abx500_res_to_temp * r_to_t_tbl ;
int n_v_cap_tbl_elements ;
const struct abx500_v_to_cap * v_to_cap_tbl ;
int n_batres_tbl_elements ;
const struct batres_vs_temp * batres_tbl ;
} ;
/**
* struct abx500_bm_capacity_levels - abx500 capacity level data
* @ critical : critical capacity level in percent
* @ low : low capacity level in percent
* @ normal : normal capacity level in percent
* @ high : high capacity level in percent
* @ full : full capacity level in percent
*/
struct abx500_bm_capacity_levels {
int critical ;
int low ;
int normal ;
int high ;
int full ;
} ;
/**
* struct abx500_bm_charger_parameters - Charger specific parameters
* @ usb_volt_max : maximum allowed USB charger voltage in mV
* @ usb_curr_max : maximum allowed USB charger current in mA
* @ ac_volt_max : maximum allowed AC charger voltage in mV
* @ ac_curr_max : maximum allowed AC charger current in mA
*/
struct abx500_bm_charger_parameters {
int usb_volt_max ;
int usb_curr_max ;
int ac_volt_max ;
int ac_curr_max ;
} ;
/**
* struct abx500_bm_data - abx500 battery management data
* @ temp_under under this temp , charging is stopped
* @ temp_low between this temp and temp_under charging is reduced
* @ temp_high between this temp and temp_over charging is reduced
* @ temp_over over this temp , charging is stopped
* @ temp_now present battery temperature
* @ temp_interval_chg temperature measurement interval in s when charging
* @ temp_interval_nochg temperature measurement interval in s when not charging
* @ main_safety_tmr_h safety timer for main charger
* @ usb_safety_tmr_h safety timer for usb charger
* @ bkup_bat_v voltage which we charge the backup battery with
* @ bkup_bat_i current which we charge the backup battery with
* @ no_maintenance indicates that maintenance charging is disabled
* @ capacity_scaling indicates whether capacity scaling is to be used
* @ abx500_adc_therm placement of thermistor , batctrl or battemp adc
* @ chg_unknown_bat flag to enable charging of unknown batteries
* @ enable_overshoot flag to enable VBAT overshoot control
* @ auto_trig flag to enable auto adc trigger
* @ fg_res resistance of FG resistor in 0.1 mOhm
* @ n_btypes number of elements in array bat_type
* @ batt_id index of the identified battery in array bat_type
* @ interval_charging charge alg cycle period time when charging ( sec )
* @ interval_not_charging charge alg cycle period time when not charging ( sec )
* @ temp_hysteresis temperature hysteresis
* @ gnd_lift_resistance Battery ground to phone ground resistance ( mOhm )
* @ n_chg_out_curr number of elements in array chg_output_curr
* @ n_chg_in_curr number of elements in array chg_input_curr
* @ chg_output_curr charger output current level map
* @ chg_input_curr charger input current level map
* @ maxi maximization parameters
* @ cap_levels capacity in percent for the different capacity levels
* @ bat_type table of supported battery types
* @ chg_params charger parameters
* @ fg_params fuel gauge parameters
*/
struct abx500_bm_data {
int temp_under ;
int temp_low ;
int temp_high ;
int temp_over ;
int temp_now ;
int temp_interval_chg ;
int temp_interval_nochg ;
int main_safety_tmr_h ;
int usb_safety_tmr_h ;
int bkup_bat_v ;
int bkup_bat_i ;
bool no_maintenance ;
bool capacity_scaling ;
bool chg_unknown_bat ;
bool enable_overshoot ;
bool auto_trig ;
enum abx500_adc_therm adc_therm ;
int fg_res ;
int n_btypes ;
int batt_id ;
int interval_charging ;
int interval_not_charging ;
int temp_hysteresis ;
int gnd_lift_resistance ;
int n_chg_out_curr ;
int n_chg_in_curr ;
int * chg_output_curr ;
int * chg_input_curr ;
const struct abx500_maxim_parameters * maxi ;
const struct abx500_bm_capacity_levels * cap_levels ;
struct abx500_battery_type * bat_type ;
const struct abx500_bm_charger_parameters * chg_params ;
const struct abx500_fg_parameters * fg_params ;
} ;
enum {
NTC_EXTERNAL = 0 ,
NTC_INTERNAL ,
} ;
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/**
* struct res_to_temp - defines one point in a temp to res curve . To
* be used in battery packs that combines the identification resistor with a
* NTC resistor .
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* @ temp : battery pack temperature in Celsius
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* @ resist : NTC resistor net total resistance
*/
struct res_to_temp {
int temp ;
int resist ;
} ;
/**
* struct batres_vs_temp - defines one point in a temp vs battery internal
* resistance curve .
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* @ temp : battery pack temperature in Celsius
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* @ resist : battery internal reistance in mOhm
*/
struct batres_vs_temp {
int temp ;
int resist ;
} ;
/* Forward declaration */
struct ab8500_fg ;
/**
* struct ab8500_fg_parameters - Fuel gauge algorithm parameters , in seconds
* if not specified
* @ recovery_sleep_timer : Time between measurements while recovering
* @ recovery_total_time : Total recovery time
* @ init_timer : Measurement interval during startup
* @ init_discard_time : Time we discard voltage measurement at startup
* @ init_total_time : Total init time during startup
* @ high_curr_time : Time current has to be high to go to recovery
* @ accu_charging : FG accumulation time while charging
* @ accu_high_curr : FG accumulation time in high current mode
* @ high_curr_threshold : High current threshold , in mA
* @ lowbat_threshold : Low battery threshold , in mV
* @ battok_falling_th_sel0 Threshold in mV for battOk signal sel0
* Resolution in 50 mV step .
* @ battok_raising_th_sel1 Threshold in mV for battOk signal sel1
* Resolution in 50 mV step .
* @ user_cap_limit Capacity reported from user must be within this
* limit to be considered as sane , in percentage
* points .
* @ maint_thres This is the threshold where we stop reporting
* battery full while in maintenance , in per cent
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* @ pcut_enable : Enable power cut feature in ab8505
* @ pcut_max_time : Max time threshold
* @ pcut_flag_time : Flagtime threshold
* @ pcut_max_restart : Max number of restarts
* @ pcut_debunce_time : Sets battery debounce time
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*/
struct ab8500_fg_parameters {
int recovery_sleep_timer ;
int recovery_total_time ;
int init_timer ;
int init_discard_time ;
int init_total_time ;
int high_curr_time ;
int accu_charging ;
int accu_high_curr ;
int high_curr_threshold ;
int lowbat_threshold ;
int battok_falling_th_sel0 ;
int battok_raising_th_sel1 ;
int user_cap_limit ;
int maint_thres ;
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bool pcut_enable ;
u8 pcut_max_time ;
u8 pcut_flag_time ;
u8 pcut_max_restart ;
u8 pcut_debunce_time ;
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} ;
/**
* struct ab8500_charger_maximization - struct used by the board config .
* @ use_maxi : Enable maximization for this battery type
* @ maxi_chg_curr : Maximum charger current allowed
* @ maxi_wait_cycles : cycles to wait before setting charger current
* @ charger_curr_step delta between two charger current settings ( mA )
*/
struct ab8500_maxim_parameters {
bool ena_maxi ;
int chg_curr ;
int wait_cycles ;
int charger_curr_step ;
} ;
/**
* struct ab8500_bm_capacity_levels - ab8500 capacity level data
* @ critical : critical capacity level in percent
* @ low : low capacity level in percent
* @ normal : normal capacity level in percent
* @ high : high capacity level in percent
* @ full : full capacity level in percent
*/
struct ab8500_bm_capacity_levels {
int critical ;
int low ;
int normal ;
int high ;
int full ;
} ;
/**
* struct ab8500_bm_charger_parameters - Charger specific parameters
* @ usb_volt_max : maximum allowed USB charger voltage in mV
* @ usb_curr_max : maximum allowed USB charger current in mA
* @ ac_volt_max : maximum allowed AC charger voltage in mV
* @ ac_curr_max : maximum allowed AC charger current in mA
*/
struct ab8500_bm_charger_parameters {
int usb_volt_max ;
int usb_curr_max ;
int ac_volt_max ;
int ac_curr_max ;
} ;
/**
* struct ab8500_bm_data - ab8500 battery management data
* @ temp_under under this temp , charging is stopped
* @ temp_low between this temp and temp_under charging is reduced
* @ temp_high between this temp and temp_over charging is reduced
* @ temp_over over this temp , charging is stopped
* @ temp_interval_chg temperature measurement interval in s when charging
* @ temp_interval_nochg temperature measurement interval in s when not charging
* @ main_safety_tmr_h safety timer for main charger
* @ usb_safety_tmr_h safety timer for usb charger
* @ bkup_bat_v voltage which we charge the backup battery with
* @ bkup_bat_i current which we charge the backup battery with
* @ no_maintenance indicates that maintenance charging is disabled
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* @ capacity_scaling indicates whether capacity scaling is to be used
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* @ adc_therm placement of thermistor , batctrl or battemp adc
* @ chg_unknown_bat flag to enable charging of unknown batteries
* @ enable_overshoot flag to enable VBAT overshoot control
* @ fg_res resistance of FG resistor in 0.1 mOhm
* @ n_btypes number of elements in array bat_type
* @ batt_id index of the identified battery in array bat_type
* @ interval_charging charge alg cycle period time when charging ( sec )
* @ interval_not_charging charge alg cycle period time when not charging ( sec )
* @ temp_hysteresis temperature hysteresis
* @ gnd_lift_resistance Battery ground to phone ground resistance ( mOhm )
* @ maxi : maximization parameters
* @ cap_levels capacity in percent for the different capacity levels
* @ bat_type table of supported battery types
* @ chg_params charger parameters
* @ fg_params fuel gauge parameters
*/
struct ab8500_bm_data {
int temp_under ;
int temp_low ;
int temp_high ;
int temp_over ;
int temp_interval_chg ;
int temp_interval_nochg ;
int main_safety_tmr_h ;
int usb_safety_tmr_h ;
int bkup_bat_v ;
int bkup_bat_i ;
bool no_maintenance ;
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bool capacity_scaling ;
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bool chg_unknown_bat ;
bool enable_overshoot ;
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enum abx500_adc_therm adc_therm ;
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int fg_res ;
int n_btypes ;
int batt_id ;
int interval_charging ;
int interval_not_charging ;
int temp_hysteresis ;
int gnd_lift_resistance ;
const struct ab8500_maxim_parameters * maxi ;
const struct ab8500_bm_capacity_levels * cap_levels ;
const struct ab8500_bm_charger_parameters * chg_params ;
const struct ab8500_fg_parameters * fg_params ;
} ;
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extern struct abx500_bm_data ab8500_bm_data ;
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void ab8500_charger_usb_state_changed ( u8 bm_usb_state , u16 mA ) ;
struct ab8500_fg * ab8500_fg_get ( void ) ;
int ab8500_fg_inst_curr_blocking ( struct ab8500_fg * dev ) ;
int ab8500_fg_inst_curr_start ( struct ab8500_fg * di ) ;
int ab8500_fg_inst_curr_finalize ( struct ab8500_fg * di , int * res ) ;
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int ab8500_fg_inst_curr_started ( struct ab8500_fg * di ) ;
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int ab8500_fg_inst_curr_done ( struct ab8500_fg * di ) ;
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int ab8500_bm_of_probe ( struct device * dev ,
struct device_node * np ,
struct abx500_bm_data * bm ) ;
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extern struct platform_driver ab8500_fg_driver ;
extern struct platform_driver ab8500_btemp_driver ;
extern struct platform_driver abx500_chargalg_driver ;
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# endif /* _AB8500_CHARGER_H_ */
