| /* |
| * 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 |
| #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 |
| |
| /* 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 |
| |
| 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 */ |
| #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_18U_ENA 0x01 |
| #define BAT_CTRL_16U_ENA 0x02 |
| #define BAT_CTRL_60U_ENA 0x01 |
| #define BAT_CTRL_120U_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 |
| |
| /** |
| * 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 |
| * @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 |
| */ |
| 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; |
| bool pcut_enable; |
| u8 pcut_max_time; |
| u8 pcut_flag_time; |
| u8 pcut_max_restart; |
| u8 pcut_debunce_time; |
| }; |
| |
| /** |
| * 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 |
| * @capacity_scaling indicates whether capacity scaling is to be used |
| * @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 capacity_scaling; |
| 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_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); |
| int ab8500_btemp_get_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_started(struct ab8500_fg *di); |
| int ab8500_fg_inst_curr_done(struct ab8500_fg *di); |
| |
| #else |
| static struct abx500_bm_data ab8500_bm_data; |
| #endif |
| #endif /* _AB8500_BM_H */ |
