428 строки
13 KiB
C
428 строки
13 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
|
|
|
|
#ifndef _AB8500_CHARGER_H_
|
|
#define _AB8500_CHARGER_H_
|
|
|
|
#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
|
|
#define AB8500_USB_LINE_CTRL2_REG 0x82
|
|
#define AB8500_USB_LINK1_STAT_REG 0x94
|
|
|
|
/*
|
|
* 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 AB8540_CH_USBCH_STAT3_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
|
|
#define AB8540_USB_PP_MODE_REG 0xC5
|
|
#define AB8540_USB_PP_CHR_REG 0xC6
|
|
|
|
/*
|
|
* 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
|
|
#define AB8500_RTC_CTRL1_REG 0x11
|
|
|
|
/*
|
|
* 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
|
|
#define CH_OP_CUR_LVL_2P 0x3F
|
|
|
|
/* 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
|
|
|
|
#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
|
|
|
|
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 2.7v, 2.9v, 3.0v, 3.2v, 3.3v
|
|
* 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
|
|
|
|
/* 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 (microvolts) */
|
|
#define BATT_OVV_VALUE 4750000
|
|
|
|
/* 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_18U_ENA 0x01
|
|
#define BAT_CTRL_16U_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
|
|
|
|
/* 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
|
|
|
|
/* 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
|
|
|
|
/* 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_ua: FG accumulation time in high current mode
|
|
* @high_curr_threshold_ua: High current threshold, in uA
|
|
* @lowbat_threshold_uv: Low battery threshold, in uV
|
|
* @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 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_ua;
|
|
int lowbat_threshold_uv;
|
|
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 ab8500_charger_maximization - struct used by the board config.
|
|
* @use_maxi: Enable maximization for this battery type
|
|
* @maxi_chg_curr_ua: Maximum charger current allowed in microampere
|
|
* @maxi_wait_cycles: cycles to wait before setting charger current
|
|
* @charger_curr_step_ua: delta between two charger current settings (uA)
|
|
*/
|
|
struct ab8500_maxim_parameters {
|
|
bool ena_maxi;
|
|
int chg_curr_ua;
|
|
int wait_cycles;
|
|
int charger_curr_step_ua;
|
|
};
|
|
|
|
/**
|
|
* 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_uv: maximum allowed USB charger voltage in uV
|
|
* @usb_curr_max_ua: maximum allowed USB charger current in uA
|
|
* @ac_volt_max_uv: maximum allowed AC charger voltage in uV
|
|
* @ac_curr_max_ua: maximum allowed AC charger current in uA
|
|
*/
|
|
struct ab8500_bm_charger_parameters {
|
|
int usb_volt_max_uv;
|
|
int usb_curr_max_ua;
|
|
int ac_volt_max_uv;
|
|
int ac_curr_max_ua;
|
|
};
|
|
|
|
/**
|
|
* struct ab8500_bm_data - ab8500 battery management data
|
|
* @bi battery info from device tree
|
|
* @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
|
|
* @capacity_scaling indicates whether capacity scaling is to be used
|
|
* @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 0.1mOhm
|
|
* @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
|
|
* @maxi maximization parameters
|
|
* @cap_levels capacity in percent for the different capacity levels
|
|
* @chg_params charger parameters
|
|
* @fg_params fuel gauge parameters
|
|
*/
|
|
struct ab8500_bm_data {
|
|
struct power_supply_battery_info *bi;
|
|
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 capacity_scaling;
|
|
bool chg_unknown_bat;
|
|
bool enable_overshoot;
|
|
bool auto_trig;
|
|
int fg_res;
|
|
int interval_charging;
|
|
int interval_not_charging;
|
|
int temp_hysteresis;
|
|
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;
|
|
};
|
|
|
|
/* Forward declaration */
|
|
struct ab8500_fg;
|
|
|
|
extern struct ab8500_bm_data ab8500_bm_data;
|
|
|
|
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);
|
|
int ab8500_fg_inst_curr_started(struct ab8500_fg *di);
|
|
int ab8500_fg_inst_curr_done(struct ab8500_fg *di);
|
|
int ab8500_bm_of_probe(struct power_supply *psy,
|
|
struct ab8500_bm_data *bm);
|
|
void ab8500_bm_of_remove(struct power_supply *psy,
|
|
struct ab8500_bm_data *bm);
|
|
|
|
extern struct platform_driver ab8500_fg_driver;
|
|
extern struct platform_driver ab8500_btemp_driver;
|
|
extern struct platform_driver ab8500_chargalg_driver;
|
|
|
|
#endif /* _AB8500_CHARGER_H_ */
|