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1/* SPDX-License-Identifier: GPL-2.0-only */2 3#ifndef _AB8500_CHARGER_H_4#define _AB8500_CHARGER_H_5 6#include <linux/kernel.h>7 8/*9 * System control 2 register offsets.10 * bank = 0x0211 */12#define AB8500_MAIN_WDOG_CTRL_REG 0x0113#define AB8500_LOW_BAT_REG 0x0314#define AB8500_BATT_OK_REG 0x0415/*16 * USB/ULPI register offsets17 * Bank : 0x518 */19#define AB8500_USB_LINE_STAT_REG 0x8020#define AB8500_USB_LINE_CTRL2_REG 0x8221#define AB8500_USB_LINK1_STAT_REG 0x9422 23/*24 * Charger / status register offfsets25 * Bank : 0x0B26 */27#define AB8500_CH_STATUS1_REG 0x0028#define AB8500_CH_STATUS2_REG 0x0129#define AB8500_CH_USBCH_STAT1_REG 0x0230#define AB8500_CH_USBCH_STAT2_REG 0x0331#define AB8540_CH_USBCH_STAT3_REG 0x0432#define AB8500_CH_STAT_REG 0x0533 34/*35 * Charger / control register offfsets36 * Bank : 0x0B37 */38#define AB8500_CH_VOLT_LVL_REG 0x4039#define AB8500_CH_VOLT_LVL_MAX_REG 0x41 /*Only in Cut2.0*/40#define AB8500_CH_OPT_CRNTLVL_REG 0x4241#define AB8500_CH_OPT_CRNTLVL_MAX_REG 0x43 /*Only in Cut2.0*/42#define AB8500_CH_WD_TIMER_REG 0x5043#define AB8500_CHARG_WD_CTRL 0x5144#define AB8500_BTEMP_HIGH_TH 0x5245#define AB8500_LED_INDICATOR_PWM_CTRL 0x5346#define AB8500_LED_INDICATOR_PWM_DUTY 0x5447#define AB8500_BATT_OVV 0x5548#define AB8500_CHARGER_CTRL 0x5649#define AB8500_BAT_CTRL_CURRENT_SOURCE 0x60 /*Only in Cut2.0*/50 51/*52 * Charger / main control register offsets53 * Bank : 0x0B54 */55#define AB8500_MCH_CTRL1 0x8056#define AB8500_MCH_CTRL2 0x8157#define AB8500_MCH_IPT_CURLVL_REG 0x8258#define AB8500_CH_WD_REG 0x8359 60/*61 * Charger / USB control register offsets62 * Bank : 0x0B63 */64#define AB8500_USBCH_CTRL1_REG 0xC065#define AB8500_USBCH_CTRL2_REG 0xC166#define AB8500_USBCH_IPT_CRNTLVL_REG 0xC267#define AB8540_USB_PP_MODE_REG 0xC568#define AB8540_USB_PP_CHR_REG 0xC669 70/*71 * Gas Gauge register offsets72 * Bank : 0x0C73 */74#define AB8500_GASG_CC_CTRL_REG 0x0075#define AB8500_GASG_CC_ACCU1_REG 0x0176#define AB8500_GASG_CC_ACCU2_REG 0x0277#define AB8500_GASG_CC_ACCU3_REG 0x0378#define AB8500_GASG_CC_ACCU4_REG 0x0479#define AB8500_GASG_CC_SMPL_CNTRL_REG 0x0580#define AB8500_GASG_CC_SMPL_CNTRH_REG 0x0681#define AB8500_GASG_CC_SMPL_CNVL_REG 0x0782#define AB8500_GASG_CC_SMPL_CNVH_REG 0x0883#define AB8500_GASG_CC_CNTR_AVGOFF_REG 0x0984#define AB8500_GASG_CC_OFFSET_REG 0x0A85#define AB8500_GASG_CC_NCOV_ACCU 0x1086#define AB8500_GASG_CC_NCOV_ACCU_CTRL 0x1187#define AB8500_GASG_CC_NCOV_ACCU_LOW 0x1288#define AB8500_GASG_CC_NCOV_ACCU_MED 0x1389#define AB8500_GASG_CC_NCOV_ACCU_HIGH 0x1490 91/*92 * Interrupt register offsets93 * Bank : 0x0E94 */95#define AB8500_IT_SOURCE2_REG 0x0196#define AB8500_IT_SOURCE21_REG 0x1497 98/*99 * RTC register offsets100 * Bank: 0x0F101 */102#define AB8500_RTC_BACKUP_CHG_REG 0x0C103#define AB8500_RTC_CC_CONF_REG 0x01104#define AB8500_RTC_CTRL_REG 0x0B105#define AB8500_RTC_CTRL1_REG 0x11106 107/*108 * OTP register offsets109 * Bank : 0x15110 */111#define AB8500_OTP_CONF_15 0x0E112 113/* GPADC constants from AB8500 spec, UM0836 */114#define ADC_RESOLUTION 1024115#define ADC_CH_MAIN_MIN 0116#define ADC_CH_MAIN_MAX 20030117#define ADC_CH_VBUS_MIN 0118#define ADC_CH_VBUS_MAX 20030119#define ADC_CH_VBAT_MIN 2300120#define ADC_CH_VBAT_MAX 4800121#define ADC_CH_BKBAT_MIN 0122#define ADC_CH_BKBAT_MAX 3200123 124/* Main charge i/p current */125#define MAIN_CH_IP_CUR_0P9A 0x80126#define MAIN_CH_IP_CUR_1P0A 0x90127#define MAIN_CH_IP_CUR_1P1A 0xA0128#define MAIN_CH_IP_CUR_1P2A 0xB0129#define MAIN_CH_IP_CUR_1P3A 0xC0130#define MAIN_CH_IP_CUR_1P4A 0xD0131#define MAIN_CH_IP_CUR_1P5A 0xE0132 133/* ChVoltLevel */134#define CH_VOL_LVL_3P5 0x00135#define CH_VOL_LVL_4P0 0x14136#define CH_VOL_LVL_4P05 0x16137#define CH_VOL_LVL_4P1 0x1B138#define CH_VOL_LVL_4P15 0x20139#define CH_VOL_LVL_4P2 0x25140#define CH_VOL_LVL_4P6 0x4D141 142/* ChOutputCurrentLevel */143#define CH_OP_CUR_LVL_0P1 0x00144#define CH_OP_CUR_LVL_0P2 0x01145#define CH_OP_CUR_LVL_0P3 0x02146#define CH_OP_CUR_LVL_0P4 0x03147#define CH_OP_CUR_LVL_0P5 0x04148#define CH_OP_CUR_LVL_0P6 0x05149#define CH_OP_CUR_LVL_0P7 0x06150#define CH_OP_CUR_LVL_0P8 0x07151#define CH_OP_CUR_LVL_0P9 0x08152#define CH_OP_CUR_LVL_1P4 0x0D153#define CH_OP_CUR_LVL_1P5 0x0E154#define CH_OP_CUR_LVL_1P6 0x0F155#define CH_OP_CUR_LVL_2P 0x3F156 157/* BTEMP High thermal limits */158#define BTEMP_HIGH_TH_57_0 0x00159#define BTEMP_HIGH_TH_52 0x01160#define BTEMP_HIGH_TH_57_1 0x02161#define BTEMP_HIGH_TH_62 0x03162 163#define LOW_BAT_3P1V 0x20164#define LOW_BAT_2P3V 0x00165#define LOW_BAT_RESET 0x01166#define LOW_BAT_ENABLE 0x01167 168/* Backup battery constants */169#define BUP_ICH_SEL_50UA 0x00170#define BUP_ICH_SEL_150UA 0x04171#define BUP_ICH_SEL_300UA 0x08172#define BUP_ICH_SEL_700UA 0x0C173 174enum bup_vch_sel {175 BUP_VCH_SEL_2P5V,176 BUP_VCH_SEL_2P6V,177 BUP_VCH_SEL_2P8V,178 BUP_VCH_SEL_3P1V,179 /*180 * Note that the following 5 values 2.7v, 2.9v, 3.0v, 3.2v, 3.3v181 * are only available on ab8540. You can't choose these 5182 * voltage on ab8500/ab8505/ab9540.183 */184 BUP_VCH_SEL_2P7V,185 BUP_VCH_SEL_2P9V,186 BUP_VCH_SEL_3P0V,187 BUP_VCH_SEL_3P2V,188 BUP_VCH_SEL_3P3V,189};190 191#define BUP_VCH_RANGE 0x02192#define VBUP33_VRTCN 0x01193 194/* Battery OVV constants */195#define BATT_OVV_ENA 0x02196#define BATT_OVV_TH_3P7 0x00197#define BATT_OVV_TH_4P75 0x01198 199/* A value to indicate over voltage (microvolts) */200#define BATT_OVV_VALUE 4750000201 202/* VBUS OVV constants */203#define VBUS_OVV_SELECT_MASK 0x78204#define VBUS_OVV_SELECT_5P6V 0x00205#define VBUS_OVV_SELECT_5P7V 0x08206#define VBUS_OVV_SELECT_5P8V 0x10207#define VBUS_OVV_SELECT_5P9V 0x18208#define VBUS_OVV_SELECT_6P0V 0x20209#define VBUS_OVV_SELECT_6P1V 0x28210#define VBUS_OVV_SELECT_6P2V 0x30211#define VBUS_OVV_SELECT_6P3V 0x38212 213#define VBUS_AUTO_IN_CURR_LIM_ENA 0x04214 215/* Fuel Gauge constants */216#define RESET_ACCU 0x02217#define READ_REQ 0x01218#define CC_DEEP_SLEEP_ENA 0x02219#define CC_PWR_UP_ENA 0x01220#define CC_SAMPLES_40 0x28221#define RD_NCONV_ACCU_REQ 0x01222#define CC_CALIB 0x08223#define CC_INTAVGOFFSET_ENA 0x10224#define CC_MUXOFFSET 0x80225#define CC_INT_CAL_N_AVG_MASK 0x60226#define CC_INT_CAL_SAMPLES_16 0x40227#define CC_INT_CAL_SAMPLES_8 0x20228#define CC_INT_CAL_SAMPLES_4 0x00229 230/* RTC constants */231#define RTC_BUP_CH_ENA 0x10232 233/* BatCtrl Current Source Constants */234#define BAT_CTRL_7U_ENA 0x01235#define BAT_CTRL_20U_ENA 0x02236#define BAT_CTRL_18U_ENA 0x01237#define BAT_CTRL_16U_ENA 0x02238#define BAT_CTRL_CMP_ENA 0x04239#define FORCE_BAT_CTRL_CMP_HIGH 0x08240#define BAT_CTRL_PULL_UP_ENA 0x10241 242/* Battery type */243#define BATTERY_UNKNOWN 00244 245/* Registers for pcut feature in ab8505 and ab9540 */246#define AB8505_RTC_PCUT_CTL_STATUS_REG 0x12247#define AB8505_RTC_PCUT_TIME_REG 0x13248#define AB8505_RTC_PCUT_MAX_TIME_REG 0x14249#define AB8505_RTC_PCUT_FLAG_TIME_REG 0x15250#define AB8505_RTC_PCUT_RESTART_REG 0x16251#define AB8505_RTC_PCUT_DEBOUNCE_REG 0x17252 253/* USB Power Path constants for ab8540 */254#define BUS_VSYS_VOL_SELECT_MASK 0x06255#define BUS_VSYS_VOL_SELECT_3P6V 0x00256#define BUS_VSYS_VOL_SELECT_3P325V 0x02257#define BUS_VSYS_VOL_SELECT_3P9V 0x04258#define BUS_VSYS_VOL_SELECT_4P3V 0x06259#define BUS_POWER_PATH_MODE_ENA 0x01260#define BUS_PP_PRECHG_CURRENT_MASK 0x0E261#define BUS_POWER_PATH_PRECHG_ENA 0x01262 263/* Forward declaration */264struct ab8500_fg;265 266/**267 * struct ab8500_fg_parameters - Fuel gauge algorithm parameters, in seconds268 * if not specified269 * @recovery_sleep_timer: Time between measurements while recovering270 * @recovery_total_time: Total recovery time271 * @init_timer: Measurement interval during startup272 * @init_discard_time: Time we discard voltage measurement at startup273 * @init_total_time: Total init time during startup274 * @high_curr_time: Time current has to be high to go to recovery275 * @accu_charging: FG accumulation time while charging276 * @accu_high_curr_ua: FG accumulation time in high current mode277 * @high_curr_threshold_ua: High current threshold, in uA278 * @lowbat_threshold_uv: Low battery threshold, in uV279 * @battok_falling_th_sel0 Threshold in mV for battOk signal sel0280 * Resolution in 50 mV step.281 * @battok_raising_th_sel1 Threshold in mV for battOk signal sel1282 * Resolution in 50 mV step.283 * @user_cap_limit Capacity reported from user must be within this284 * limit to be considered as sane, in percentage285 * points.286 * @maint_thres This is the threshold where we stop reporting287 * battery full while in maintenance, in per cent288 * @pcut_enable: Enable power cut feature in ab8505289 * @pcut_max_time: Max time threshold290 * @pcut_flag_time: Flagtime threshold291 * @pcut_max_restart: Max number of restarts292 * @pcut_debounce_time: Sets battery debounce time293 */294struct ab8500_fg_parameters {295 int recovery_sleep_timer;296 int recovery_total_time;297 int init_timer;298 int init_discard_time;299 int init_total_time;300 int high_curr_time;301 int accu_charging;302 int accu_high_curr;303 int high_curr_threshold_ua;304 int lowbat_threshold_uv;305 int battok_falling_th_sel0;306 int battok_raising_th_sel1;307 int user_cap_limit;308 int maint_thres;309 bool pcut_enable;310 u8 pcut_max_time;311 u8 pcut_flag_time;312 u8 pcut_max_restart;313 u8 pcut_debounce_time;314};315 316/**317 * struct ab8500_charger_maximization - struct used by the board config.318 * @use_maxi: Enable maximization for this battery type319 * @maxi_chg_curr_ua: Maximum charger current allowed in microampere320 * @maxi_wait_cycles: cycles to wait before setting charger current321 * @charger_curr_step_ua: delta between two charger current settings (uA)322 */323struct ab8500_maxim_parameters {324 bool ena_maxi;325 int chg_curr_ua;326 int wait_cycles;327 int charger_curr_step_ua;328};329 330/**331 * struct ab8500_bm_capacity_levels - ab8500 capacity level data332 * @critical: critical capacity level in percent333 * @low: low capacity level in percent334 * @normal: normal capacity level in percent335 * @high: high capacity level in percent336 * @full: full capacity level in percent337 */338struct ab8500_bm_capacity_levels {339 int critical;340 int low;341 int normal;342 int high;343 int full;344};345 346/**347 * struct ab8500_bm_charger_parameters - Charger specific parameters348 * @usb_volt_max_uv: maximum allowed USB charger voltage in uV349 * @usb_curr_max_ua: maximum allowed USB charger current in uA350 * @ac_volt_max_uv: maximum allowed AC charger voltage in uV351 * @ac_curr_max_ua: maximum allowed AC charger current in uA352 */353struct ab8500_bm_charger_parameters {354 int usb_volt_max_uv;355 int usb_curr_max_ua;356 int ac_volt_max_uv;357 int ac_curr_max_ua;358};359 360/**361 * struct ab8500_bm_data - ab8500 battery management data362 * @bi battery info from device tree363 * @temp_now present battery temperature364 * @temp_interval_chg temperature measurement interval in s when charging365 * @temp_interval_nochg temperature measurement interval in s when not charging366 * @main_safety_tmr_h safety timer for main charger367 * @usb_safety_tmr_h safety timer for usb charger368 * @bkup_bat_v voltage which we charge the backup battery with369 * @bkup_bat_i current which we charge the backup battery with370 * @capacity_scaling indicates whether capacity scaling is to be used371 * @chg_unknown_bat flag to enable charging of unknown batteries372 * @enable_overshoot flag to enable VBAT overshoot control373 * @auto_trig flag to enable auto adc trigger374 * @fg_res resistance of FG resistor in 0.1mOhm375 * @interval_charging charge alg cycle period time when charging (sec)376 * @interval_not_charging charge alg cycle period time when not charging (sec)377 * @temp_hysteresis temperature hysteresis378 * @maxi maximization parameters379 * @cap_levels capacity in percent for the different capacity levels380 * @chg_params charger parameters381 * @fg_params fuel gauge parameters382 */383struct ab8500_bm_data {384 struct power_supply_battery_info *bi;385 int temp_now;386 int temp_interval_chg;387 int temp_interval_nochg;388 int main_safety_tmr_h;389 int usb_safety_tmr_h;390 int bkup_bat_v;391 int bkup_bat_i;392 bool capacity_scaling;393 bool chg_unknown_bat;394 bool enable_overshoot;395 bool auto_trig;396 int fg_res;397 int interval_charging;398 int interval_not_charging;399 int temp_hysteresis;400 const struct ab8500_maxim_parameters *maxi;401 const struct ab8500_bm_capacity_levels *cap_levels;402 const struct ab8500_bm_charger_parameters *chg_params;403 const struct ab8500_fg_parameters *fg_params;404};405 406/* Forward declaration */407struct ab8500_fg;408 409extern struct ab8500_bm_data ab8500_bm_data;410 411void ab8500_charger_usb_state_changed(u8 bm_usb_state, u16 mA);412struct ab8500_fg *ab8500_fg_get(void);413int ab8500_fg_inst_curr_blocking(struct ab8500_fg *dev);414int ab8500_fg_inst_curr_start(struct ab8500_fg *di);415int ab8500_fg_inst_curr_finalize(struct ab8500_fg *di, int *res);416int ab8500_fg_inst_curr_started(struct ab8500_fg *di);417int ab8500_fg_inst_curr_done(struct ab8500_fg *di);418int ab8500_bm_of_probe(struct power_supply *psy,419 struct ab8500_bm_data *bm);420void ab8500_bm_of_remove(struct power_supply *psy,421 struct ab8500_bm_data *bm);422 423extern struct platform_driver ab8500_fg_driver;424extern struct platform_driver ab8500_btemp_driver;425extern struct platform_driver ab8500_chargalg_driver;426 427#endif /* _AB8500_CHARGER_H_ */428