ab8500-bm.h (12858B)
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 = 0x02 11 */ 12#define AB8500_MAIN_WDOG_CTRL_REG 0x01 13#define AB8500_LOW_BAT_REG 0x03 14#define AB8500_BATT_OK_REG 0x04 15/* 16 * USB/ULPI register offsets 17 * Bank : 0x5 18 */ 19#define AB8500_USB_LINE_STAT_REG 0x80 20#define AB8500_USB_LINE_CTRL2_REG 0x82 21#define AB8500_USB_LINK1_STAT_REG 0x94 22 23/* 24 * Charger / status register offfsets 25 * Bank : 0x0B 26 */ 27#define AB8500_CH_STATUS1_REG 0x00 28#define AB8500_CH_STATUS2_REG 0x01 29#define AB8500_CH_USBCH_STAT1_REG 0x02 30#define AB8500_CH_USBCH_STAT2_REG 0x03 31#define AB8540_CH_USBCH_STAT3_REG 0x04 32#define AB8500_CH_STAT_REG 0x05 33 34/* 35 * Charger / control register offfsets 36 * Bank : 0x0B 37 */ 38#define AB8500_CH_VOLT_LVL_REG 0x40 39#define AB8500_CH_VOLT_LVL_MAX_REG 0x41 /*Only in Cut2.0*/ 40#define AB8500_CH_OPT_CRNTLVL_REG 0x42 41#define AB8500_CH_OPT_CRNTLVL_MAX_REG 0x43 /*Only in Cut2.0*/ 42#define AB8500_CH_WD_TIMER_REG 0x50 43#define AB8500_CHARG_WD_CTRL 0x51 44#define AB8500_BTEMP_HIGH_TH 0x52 45#define AB8500_LED_INDICATOR_PWM_CTRL 0x53 46#define AB8500_LED_INDICATOR_PWM_DUTY 0x54 47#define AB8500_BATT_OVV 0x55 48#define AB8500_CHARGER_CTRL 0x56 49#define AB8500_BAT_CTRL_CURRENT_SOURCE 0x60 /*Only in Cut2.0*/ 50 51/* 52 * Charger / main control register offsets 53 * Bank : 0x0B 54 */ 55#define AB8500_MCH_CTRL1 0x80 56#define AB8500_MCH_CTRL2 0x81 57#define AB8500_MCH_IPT_CURLVL_REG 0x82 58#define AB8500_CH_WD_REG 0x83 59 60/* 61 * Charger / USB control register offsets 62 * Bank : 0x0B 63 */ 64#define AB8500_USBCH_CTRL1_REG 0xC0 65#define AB8500_USBCH_CTRL2_REG 0xC1 66#define AB8500_USBCH_IPT_CRNTLVL_REG 0xC2 67#define AB8540_USB_PP_MODE_REG 0xC5 68#define AB8540_USB_PP_CHR_REG 0xC6 69 70/* 71 * Gas Gauge register offsets 72 * Bank : 0x0C 73 */ 74#define AB8500_GASG_CC_CTRL_REG 0x00 75#define AB8500_GASG_CC_ACCU1_REG 0x01 76#define AB8500_GASG_CC_ACCU2_REG 0x02 77#define AB8500_GASG_CC_ACCU3_REG 0x03 78#define AB8500_GASG_CC_ACCU4_REG 0x04 79#define AB8500_GASG_CC_SMPL_CNTRL_REG 0x05 80#define AB8500_GASG_CC_SMPL_CNTRH_REG 0x06 81#define AB8500_GASG_CC_SMPL_CNVL_REG 0x07 82#define AB8500_GASG_CC_SMPL_CNVH_REG 0x08 83#define AB8500_GASG_CC_CNTR_AVGOFF_REG 0x09 84#define AB8500_GASG_CC_OFFSET_REG 0x0A 85#define AB8500_GASG_CC_NCOV_ACCU 0x10 86#define AB8500_GASG_CC_NCOV_ACCU_CTRL 0x11 87#define AB8500_GASG_CC_NCOV_ACCU_LOW 0x12 88#define AB8500_GASG_CC_NCOV_ACCU_MED 0x13 89#define AB8500_GASG_CC_NCOV_ACCU_HIGH 0x14 90 91/* 92 * Interrupt register offsets 93 * Bank : 0x0E 94 */ 95#define AB8500_IT_SOURCE2_REG 0x01 96#define AB8500_IT_SOURCE21_REG 0x14 97 98/* 99 * RTC register offsets 100 * Bank: 0x0F 101 */ 102#define AB8500_RTC_BACKUP_CHG_REG 0x0C 103#define AB8500_RTC_CC_CONF_REG 0x01 104#define AB8500_RTC_CTRL_REG 0x0B 105#define AB8500_RTC_CTRL1_REG 0x11 106 107/* 108 * OTP register offsets 109 * Bank : 0x15 110 */ 111#define AB8500_OTP_CONF_15 0x0E 112 113/* GPADC constants from AB8500 spec, UM0836 */ 114#define ADC_RESOLUTION 1024 115#define ADC_CH_MAIN_MIN 0 116#define ADC_CH_MAIN_MAX 20030 117#define ADC_CH_VBUS_MIN 0 118#define ADC_CH_VBUS_MAX 20030 119#define ADC_CH_VBAT_MIN 2300 120#define ADC_CH_VBAT_MAX 4800 121#define ADC_CH_BKBAT_MIN 0 122#define ADC_CH_BKBAT_MAX 3200 123 124/* Main charge i/p current */ 125#define MAIN_CH_IP_CUR_0P9A 0x80 126#define MAIN_CH_IP_CUR_1P0A 0x90 127#define MAIN_CH_IP_CUR_1P1A 0xA0 128#define MAIN_CH_IP_CUR_1P2A 0xB0 129#define MAIN_CH_IP_CUR_1P3A 0xC0 130#define MAIN_CH_IP_CUR_1P4A 0xD0 131#define MAIN_CH_IP_CUR_1P5A 0xE0 132 133/* ChVoltLevel */ 134#define CH_VOL_LVL_3P5 0x00 135#define CH_VOL_LVL_4P0 0x14 136#define CH_VOL_LVL_4P05 0x16 137#define CH_VOL_LVL_4P1 0x1B 138#define CH_VOL_LVL_4P15 0x20 139#define CH_VOL_LVL_4P2 0x25 140#define CH_VOL_LVL_4P6 0x4D 141 142/* ChOutputCurrentLevel */ 143#define CH_OP_CUR_LVL_0P1 0x00 144#define CH_OP_CUR_LVL_0P2 0x01 145#define CH_OP_CUR_LVL_0P3 0x02 146#define CH_OP_CUR_LVL_0P4 0x03 147#define CH_OP_CUR_LVL_0P5 0x04 148#define CH_OP_CUR_LVL_0P6 0x05 149#define CH_OP_CUR_LVL_0P7 0x06 150#define CH_OP_CUR_LVL_0P8 0x07 151#define CH_OP_CUR_LVL_0P9 0x08 152#define CH_OP_CUR_LVL_1P4 0x0D 153#define CH_OP_CUR_LVL_1P5 0x0E 154#define CH_OP_CUR_LVL_1P6 0x0F 155#define CH_OP_CUR_LVL_2P 0x3F 156 157/* BTEMP High thermal limits */ 158#define BTEMP_HIGH_TH_57_0 0x00 159#define BTEMP_HIGH_TH_52 0x01 160#define BTEMP_HIGH_TH_57_1 0x02 161#define BTEMP_HIGH_TH_62 0x03 162 163#define LOW_BAT_3P1V 0x20 164#define LOW_BAT_2P3V 0x00 165#define LOW_BAT_RESET 0x01 166#define LOW_BAT_ENABLE 0x01 167 168/* Backup battery constants */ 169#define BUP_ICH_SEL_50UA 0x00 170#define BUP_ICH_SEL_150UA 0x04 171#define BUP_ICH_SEL_300UA 0x08 172#define BUP_ICH_SEL_700UA 0x0C 173 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, 3.3v 181 * are only available on ab8540. You can't choose these 5 182 * 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 0x02 192#define VBUP33_VRTCN 0x01 193 194/* Battery OVV constants */ 195#define BATT_OVV_ENA 0x02 196#define BATT_OVV_TH_3P7 0x00 197#define BATT_OVV_TH_4P75 0x01 198 199/* A value to indicate over voltage (microvolts) */ 200#define BATT_OVV_VALUE 4750000 201 202/* VBUS OVV constants */ 203#define VBUS_OVV_SELECT_MASK 0x78 204#define VBUS_OVV_SELECT_5P6V 0x00 205#define VBUS_OVV_SELECT_5P7V 0x08 206#define VBUS_OVV_SELECT_5P8V 0x10 207#define VBUS_OVV_SELECT_5P9V 0x18 208#define VBUS_OVV_SELECT_6P0V 0x20 209#define VBUS_OVV_SELECT_6P1V 0x28 210#define VBUS_OVV_SELECT_6P2V 0x30 211#define VBUS_OVV_SELECT_6P3V 0x38 212 213#define VBUS_AUTO_IN_CURR_LIM_ENA 0x04 214 215/* Fuel Gauge constants */ 216#define RESET_ACCU 0x02 217#define READ_REQ 0x01 218#define CC_DEEP_SLEEP_ENA 0x02 219#define CC_PWR_UP_ENA 0x01 220#define CC_SAMPLES_40 0x28 221#define RD_NCONV_ACCU_REQ 0x01 222#define CC_CALIB 0x08 223#define CC_INTAVGOFFSET_ENA 0x10 224#define CC_MUXOFFSET 0x80 225#define CC_INT_CAL_N_AVG_MASK 0x60 226#define CC_INT_CAL_SAMPLES_16 0x40 227#define CC_INT_CAL_SAMPLES_8 0x20 228#define CC_INT_CAL_SAMPLES_4 0x00 229 230/* RTC constants */ 231#define RTC_BUP_CH_ENA 0x10 232 233/* BatCtrl Current Source Constants */ 234#define BAT_CTRL_7U_ENA 0x01 235#define BAT_CTRL_20U_ENA 0x02 236#define BAT_CTRL_18U_ENA 0x01 237#define BAT_CTRL_16U_ENA 0x02 238#define BAT_CTRL_CMP_ENA 0x04 239#define FORCE_BAT_CTRL_CMP_HIGH 0x08 240#define BAT_CTRL_PULL_UP_ENA 0x10 241 242/* Battery type */ 243#define BATTERY_UNKNOWN 00 244 245/* Registers for pcut feature in ab8505 and ab9540 */ 246#define AB8505_RTC_PCUT_CTL_STATUS_REG 0x12 247#define AB8505_RTC_PCUT_TIME_REG 0x13 248#define AB8505_RTC_PCUT_MAX_TIME_REG 0x14 249#define AB8505_RTC_PCUT_FLAG_TIME_REG 0x15 250#define AB8505_RTC_PCUT_RESTART_REG 0x16 251#define AB8505_RTC_PCUT_DEBOUNCE_REG 0x17 252 253/* USB Power Path constants for ab8540 */ 254#define BUS_VSYS_VOL_SELECT_MASK 0x06 255#define BUS_VSYS_VOL_SELECT_3P6V 0x00 256#define BUS_VSYS_VOL_SELECT_3P325V 0x02 257#define BUS_VSYS_VOL_SELECT_3P9V 0x04 258#define BUS_VSYS_VOL_SELECT_4P3V 0x06 259#define BUS_POWER_PATH_MODE_ENA 0x01 260#define BUS_PP_PRECHG_CURRENT_MASK 0x0E 261#define BUS_POWER_PATH_PRECHG_ENA 0x01 262 263/* Forward declaration */ 264struct ab8500_fg; 265 266/** 267 * struct ab8500_fg_parameters - Fuel gauge algorithm parameters, in seconds 268 * if not specified 269 * @recovery_sleep_timer: Time between measurements while recovering 270 * @recovery_total_time: Total recovery time 271 * @init_timer: Measurement interval during startup 272 * @init_discard_time: Time we discard voltage measurement at startup 273 * @init_total_time: Total init time during startup 274 * @high_curr_time: Time current has to be high to go to recovery 275 * @accu_charging: FG accumulation time while charging 276 * @accu_high_curr_ua: FG accumulation time in high current mode 277 * @high_curr_threshold_ua: High current threshold, in uA 278 * @lowbat_threshold_uv: Low battery threshold, in uV 279 * @battok_falling_th_sel0 Threshold in mV for battOk signal sel0 280 * Resolution in 50 mV step. 281 * @battok_raising_th_sel1 Threshold in mV for battOk signal sel1 282 * Resolution in 50 mV step. 283 * @user_cap_limit Capacity reported from user must be within this 284 * limit to be considered as sane, in percentage 285 * points. 286 * @maint_thres This is the threshold where we stop reporting 287 * battery full while in maintenance, in per cent 288 * @pcut_enable: Enable power cut feature in ab8505 289 * @pcut_max_time: Max time threshold 290 * @pcut_flag_time: Flagtime threshold 291 * @pcut_max_restart: Max number of restarts 292 * @pcut_debounce_time: Sets battery debounce time 293 */ 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 type 319 * @maxi_chg_curr_ua: Maximum charger current allowed in microampere 320 * @maxi_wait_cycles: cycles to wait before setting charger current 321 * @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 data 332 * @critical: critical capacity level in percent 333 * @low: low capacity level in percent 334 * @normal: normal capacity level in percent 335 * @high: high capacity level in percent 336 * @full: full capacity level in percent 337 */ 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 parameters 348 * @usb_volt_max_uv: maximum allowed USB charger voltage in uV 349 * @usb_curr_max_ua: maximum allowed USB charger current in uA 350 * @ac_volt_max_uv: maximum allowed AC charger voltage in uV 351 * @ac_curr_max_ua: maximum allowed AC charger current in uA 352 */ 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 data 362 * @bi battery info from device tree 363 * @temp_now present battery temperature 364 * @temp_interval_chg temperature measurement interval in s when charging 365 * @temp_interval_nochg temperature measurement interval in s when not charging 366 * @main_safety_tmr_h safety timer for main charger 367 * @usb_safety_tmr_h safety timer for usb charger 368 * @bkup_bat_v voltage which we charge the backup battery with 369 * @bkup_bat_i current which we charge the backup battery with 370 * @capacity_scaling indicates whether capacity scaling is to be used 371 * @chg_unknown_bat flag to enable charging of unknown batteries 372 * @enable_overshoot flag to enable VBAT overshoot control 373 * @auto_trig flag to enable auto adc trigger 374 * @fg_res resistance of FG resistor in 0.1mOhm 375 * @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 hysteresis 378 * @maxi maximization parameters 379 * @cap_levels capacity in percent for the different capacity levels 380 * @chg_params charger parameters 381 * @fg_params fuel gauge parameters 382 */ 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_ */