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/*
* Copyright ST-Ericsson 2012.
*
* Author: Arun Murthy <arun.murthy@stericsson.com>
* Licensed under GPLv2.
*/
#ifndef _AB8500_BM_H
#define _AB8500_BM_H
#include <linux/kernel.h>
#include <linux/mfd/abx500.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
/*
* 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
#define AB8500_CH_FSM_STAT_REG 0x04
#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
/*
* 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
/*
* 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
/* 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
#define BUP_VCH_SEL_2P5V 0x00
#define BUP_VCH_SEL_2P6V 0x01
#define BUP_VCH_SEL_2P8V 0x02
#define BUP_VCH_SEL_3P1V 0x03
/* 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
#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
/**
* 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.
* @temp: battery pack temperature in Celcius
* @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.
* @temp: battery pack temperature in Celcius
* @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
*/
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;
};
/**
* 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
* @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 0.1mOhm
* @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;
bool chg_unknown_bat;
bool enable_overshoot;
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;
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;
};
struct ab8500_charger_platform_data {
char **supplied_to;
size_t num_supplicants;
bool autopower_cfg;
};
struct ab8500_btemp_platform_data {
char **supplied_to;
size_t num_supplicants;
};
struct ab8500_fg_platform_data {
char **supplied_to;
size_t num_supplicants;
};
struct ab8500_chargalg_platform_data {
char **supplied_to;
size_t num_supplicants;
};
struct ab8500_btemp;
struct ab8500_gpadc;
struct ab8500_fg;
#ifdef CONFIG_AB8500_BM
extern struct abx500_bm_data ab8500_bm_data;
void ab8500_fg_reinit(void);
void ab8500_charger_usb_state_changed(u8 bm_usb_state, u16 mA);
struct ab8500_btemp *ab8500_btemp_get(void);
int ab8500_btemp_get_batctrl_temp(struct ab8500_btemp *btemp);
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);
int ab8500_fg_inst_curr_done(struct ab8500_fg *di);
#else
static struct abx500_bm_data ab8500_bm_data;
static inline int ab8500_fg_inst_curr_start(struct ab8500_fg *di)
{
return -ENODEV;
}
static inline int ab8500_fg_inst_curr_finalize(struct ab8500_fg *di, int *res)
{
return -ENODEV;
}
#endif
#endif /* _AB8500_BM_H */
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