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 /* current is mA */ 164 #define USB_0P1A 100 165 #define USB_0P2A 200 166 #define USB_0P3A 300 167 #define USB_0P4A 400 168 #define USB_0P5A 500 169 170 #define LOW_BAT_3P1V 0x20 171 #define LOW_BAT_2P3V 0x00 172 #define LOW_BAT_RESET 0x01 173 #define LOW_BAT_ENABLE 0x01 174 175 /* Backup battery constants */ 176 #define BUP_ICH_SEL_50UA 0x00 177 #define BUP_ICH_SEL_150UA 0x04 178 #define BUP_ICH_SEL_300UA 0x08 179 #define BUP_ICH_SEL_700UA 0x0C 180 181 enum bup_vch_sel { 182 BUP_VCH_SEL_2P5V, 183 BUP_VCH_SEL_2P6V, 184 BUP_VCH_SEL_2P8V, 185 BUP_VCH_SEL_3P1V, 186 /* 187 * Note that the following 5 values 2.7v, 2.9v, 3.0v, 3.2v, 3.3v 188 * are only available on ab8540. You can't choose these 5 189 * voltage on ab8500/ab8505/ab9540. 190 */ 191 BUP_VCH_SEL_2P7V, 192 BUP_VCH_SEL_2P9V, 193 BUP_VCH_SEL_3P0V, 194 BUP_VCH_SEL_3P2V, 195 BUP_VCH_SEL_3P3V, 196 }; 197 198 #define BUP_VCH_RANGE 0x02 199 #define VBUP33_VRTCN 0x01 200 201 /* Battery OVV constants */ 202 #define BATT_OVV_ENA 0x02 203 #define BATT_OVV_TH_3P7 0x00 204 #define BATT_OVV_TH_4P75 0x01 205 206 /* A value to indicate over voltage */ 207 #define BATT_OVV_VALUE 4750 208 209 /* VBUS OVV constants */ 210 #define VBUS_OVV_SELECT_MASK 0x78 211 #define VBUS_OVV_SELECT_5P6V 0x00 212 #define VBUS_OVV_SELECT_5P7V 0x08 213 #define VBUS_OVV_SELECT_5P8V 0x10 214 #define VBUS_OVV_SELECT_5P9V 0x18 215 #define VBUS_OVV_SELECT_6P0V 0x20 216 #define VBUS_OVV_SELECT_6P1V 0x28 217 #define VBUS_OVV_SELECT_6P2V 0x30 218 #define VBUS_OVV_SELECT_6P3V 0x38 219 220 #define VBUS_AUTO_IN_CURR_LIM_ENA 0x04 221 222 /* Fuel Gauge constants */ 223 #define RESET_ACCU 0x02 224 #define READ_REQ 0x01 225 #define CC_DEEP_SLEEP_ENA 0x02 226 #define CC_PWR_UP_ENA 0x01 227 #define CC_SAMPLES_40 0x28 228 #define RD_NCONV_ACCU_REQ 0x01 229 #define CC_CALIB 0x08 230 #define CC_INTAVGOFFSET_ENA 0x10 231 #define CC_MUXOFFSET 0x80 232 #define CC_INT_CAL_N_AVG_MASK 0x60 233 #define CC_INT_CAL_SAMPLES_16 0x40 234 #define CC_INT_CAL_SAMPLES_8 0x20 235 #define CC_INT_CAL_SAMPLES_4 0x00 236 237 /* RTC constants */ 238 #define RTC_BUP_CH_ENA 0x10 239 240 /* BatCtrl Current Source Constants */ 241 #define BAT_CTRL_7U_ENA 0x01 242 #define BAT_CTRL_20U_ENA 0x02 243 #define BAT_CTRL_18U_ENA 0x01 244 #define BAT_CTRL_16U_ENA 0x02 245 #define BAT_CTRL_CMP_ENA 0x04 246 #define FORCE_BAT_CTRL_CMP_HIGH 0x08 247 #define BAT_CTRL_PULL_UP_ENA 0x10 248 249 /* Battery type */ 250 #define BATTERY_UNKNOWN 00 251 252 /* Registers for pcut feature in ab8505 and ab9540 */ 253 #define AB8505_RTC_PCUT_CTL_STATUS_REG 0x12 254 #define AB8505_RTC_PCUT_TIME_REG 0x13 255 #define AB8505_RTC_PCUT_MAX_TIME_REG 0x14 256 #define AB8505_RTC_PCUT_FLAG_TIME_REG 0x15 257 #define AB8505_RTC_PCUT_RESTART_REG 0x16 258 #define AB8505_RTC_PCUT_DEBOUNCE_REG 0x17 259 260 /* USB Power Path constants for ab8540 */ 261 #define BUS_VSYS_VOL_SELECT_MASK 0x06 262 #define BUS_VSYS_VOL_SELECT_3P6V 0x00 263 #define BUS_VSYS_VOL_SELECT_3P325V 0x02 264 #define BUS_VSYS_VOL_SELECT_3P9V 0x04 265 #define BUS_VSYS_VOL_SELECT_4P3V 0x06 266 #define BUS_POWER_PATH_MODE_ENA 0x01 267 #define BUS_PP_PRECHG_CURRENT_MASK 0x0E 268 #define BUS_POWER_PATH_PRECHG_ENA 0x01 269 270 /* 271 * ADC for the battery thermistor. 272 * When using the ABx500_ADC_THERM_BATCTRL the battery ID resistor is combined 273 * with a NTC resistor to both identify the battery and to measure its 274 * temperature. Different phone manufactures uses different techniques to both 275 * identify the battery and to read its temperature. 276 */ 277 enum abx500_adc_therm { 278 ABx500_ADC_THERM_BATCTRL, 279 ABx500_ADC_THERM_BATTEMP, 280 }; 281 282 /** 283 * struct abx500_res_to_temp - defines one point in a temp to res curve. To 284 * be used in battery packs that combines the identification resistor with a 285 * NTC resistor. 286 * @temp: battery pack temperature in Celsius 287 * @resist: NTC resistor net total resistance 288 */ 289 struct abx500_res_to_temp { 290 int temp; 291 int resist; 292 }; 293 294 /** 295 * struct abx500_v_to_cap - Table for translating voltage to capacity 296 * @voltage: Voltage in mV 297 * @capacity: Capacity in percent 298 */ 299 struct abx500_v_to_cap { 300 int voltage; 301 int capacity; 302 }; 303 304 /* Forward declaration */ 305 struct abx500_fg; 306 307 /** 308 * struct abx500_fg_parameters - Fuel gauge algorithm parameters, in seconds 309 * if not specified 310 * @recovery_sleep_timer: Time between measurements while recovering 311 * @recovery_total_time: Total recovery time 312 * @init_timer: Measurement interval during startup 313 * @init_discard_time: Time we discard voltage measurement at startup 314 * @init_total_time: Total init time during startup 315 * @high_curr_time: Time current has to be high to go to recovery 316 * @accu_charging: FG accumulation time while charging 317 * @accu_high_curr: FG accumulation time in high current mode 318 * @high_curr_threshold: High current threshold, in mA 319 * @lowbat_threshold: Low battery threshold, in mV 320 * @overbat_threshold: Over battery threshold, in mV 321 * @battok_falling_th_sel0 Threshold in mV for battOk signal sel0 322 * Resolution in 50 mV step. 323 * @battok_raising_th_sel1 Threshold in mV for battOk signal sel1 324 * Resolution in 50 mV step. 325 * @user_cap_limit Capacity reported from user must be within this 326 * limit to be considered as sane, in percentage 327 * points. 328 * @maint_thres This is the threshold where we stop reporting 329 * battery full while in maintenance, in per cent 330 * @pcut_enable: Enable power cut feature in ab8505 331 * @pcut_max_time: Max time threshold 332 * @pcut_flag_time: Flagtime threshold 333 * @pcut_max_restart: Max number of restarts 334 * @pcut_debounce_time: Sets battery debounce time 335 */ 336 struct abx500_fg_parameters { 337 int recovery_sleep_timer; 338 int recovery_total_time; 339 int init_timer; 340 int init_discard_time; 341 int init_total_time; 342 int high_curr_time; 343 int accu_charging; 344 int accu_high_curr; 345 int high_curr_threshold; 346 int lowbat_threshold; 347 int overbat_threshold; 348 int battok_falling_th_sel0; 349 int battok_raising_th_sel1; 350 int user_cap_limit; 351 int maint_thres; 352 bool pcut_enable; 353 u8 pcut_max_time; 354 u8 pcut_flag_time; 355 u8 pcut_max_restart; 356 u8 pcut_debounce_time; 357 }; 358 359 /** 360 * struct abx500_charger_maximization - struct used by the board config. 361 * @use_maxi: Enable maximization for this battery type 362 * @maxi_chg_curr: Maximum charger current allowed 363 * @maxi_wait_cycles: cycles to wait before setting charger current 364 * @charger_curr_step delta between two charger current settings (mA) 365 */ 366 struct abx500_maxim_parameters { 367 bool ena_maxi; 368 int chg_curr; 369 int wait_cycles; 370 int charger_curr_step; 371 }; 372 373 /** 374 * struct abx500_battery_type - different batteries supported 375 * @name: battery technology 376 * @resis_high: battery upper resistance limit 377 * @resis_low: battery lower resistance limit 378 * @charge_full_design: Maximum battery capacity in mAh 379 * @nominal_voltage: Nominal voltage of the battery in mV 380 * @termination_vol: max voltage upto which battery can be charged 381 * @termination_curr battery charging termination current in mA 382 * @recharge_cap battery capacity limit that will trigger a new 383 * full charging cycle in the case where maintenan- 384 * -ce charging has been disabled 385 * @normal_cur_lvl: charger current in normal state in mA 386 * @normal_vol_lvl: charger voltage in normal state in mV 387 * @maint_a_cur_lvl: charger current in maintenance A state in mA 388 * @maint_a_vol_lvl: charger voltage in maintenance A state in mV 389 * @maint_a_chg_timer_h: charge time in maintenance A state 390 * @maint_b_cur_lvl: charger current in maintenance B state in mA 391 * @maint_b_vol_lvl: charger voltage in maintenance B state in mV 392 * @maint_b_chg_timer_h: charge time in maintenance B state 393 * @low_high_cur_lvl: charger current in temp low/high state in mA 394 * @low_high_vol_lvl: charger voltage in temp low/high state in mV' 395 * @battery_resistance: battery inner resistance in mOhm. 396 * @n_r_t_tbl_elements: number of elements in r_to_t_tbl 397 * @r_to_t_tbl: table containing resistance to temp points 398 * @n_v_cap_tbl_elements: number of elements in v_to_cap_tbl 399 * @v_to_cap_tbl: Voltage to capacity (in %) table 400 * @n_batres_tbl_elements number of elements in the batres_tbl 401 * @batres_tbl battery internal resistance vs temperature table 402 */ 403 struct abx500_battery_type { 404 int name; 405 int resis_high; 406 int resis_low; 407 int charge_full_design; 408 int nominal_voltage; 409 int termination_vol; 410 int termination_curr; 411 int recharge_cap; 412 int normal_cur_lvl; 413 int normal_vol_lvl; 414 int maint_a_cur_lvl; 415 int maint_a_vol_lvl; 416 int maint_a_chg_timer_h; 417 int maint_b_cur_lvl; 418 int maint_b_vol_lvl; 419 int maint_b_chg_timer_h; 420 int low_high_cur_lvl; 421 int low_high_vol_lvl; 422 int battery_resistance; 423 int n_temp_tbl_elements; 424 const struct abx500_res_to_temp *r_to_t_tbl; 425 int n_v_cap_tbl_elements; 426 const struct abx500_v_to_cap *v_to_cap_tbl; 427 int n_batres_tbl_elements; 428 const struct batres_vs_temp *batres_tbl; 429 }; 430 431 /** 432 * struct abx500_bm_capacity_levels - abx500 capacity level data 433 * @critical: critical capacity level in percent 434 * @low: low capacity level in percent 435 * @normal: normal capacity level in percent 436 * @high: high capacity level in percent 437 * @full: full capacity level in percent 438 */ 439 struct abx500_bm_capacity_levels { 440 int critical; 441 int low; 442 int normal; 443 int high; 444 int full; 445 }; 446 447 /** 448 * struct abx500_bm_charger_parameters - Charger specific parameters 449 * @usb_volt_max: maximum allowed USB charger voltage in mV 450 * @usb_curr_max: maximum allowed USB charger current in mA 451 * @ac_volt_max: maximum allowed AC charger voltage in mV 452 * @ac_curr_max: maximum allowed AC charger current in mA 453 */ 454 struct abx500_bm_charger_parameters { 455 int usb_volt_max; 456 int usb_curr_max; 457 int ac_volt_max; 458 int ac_curr_max; 459 }; 460 461 /** 462 * struct abx500_bm_data - abx500 battery management data 463 * @temp_under under this temp, charging is stopped 464 * @temp_low between this temp and temp_under charging is reduced 465 * @temp_high between this temp and temp_over charging is reduced 466 * @temp_over over this temp, charging is stopped 467 * @temp_now present battery temperature 468 * @temp_interval_chg temperature measurement interval in s when charging 469 * @temp_interval_nochg temperature measurement interval in s when not charging 470 * @main_safety_tmr_h safety timer for main charger 471 * @usb_safety_tmr_h safety timer for usb charger 472 * @bkup_bat_v voltage which we charge the backup battery with 473 * @bkup_bat_i current which we charge the backup battery with 474 * @no_maintenance indicates that maintenance charging is disabled 475 * @capacity_scaling indicates whether capacity scaling is to be used 476 * @abx500_adc_therm placement of thermistor, batctrl or battemp adc 477 * @chg_unknown_bat flag to enable charging of unknown batteries 478 * @enable_overshoot flag to enable VBAT overshoot control 479 * @auto_trig flag to enable auto adc trigger 480 * @fg_res resistance of FG resistor in 0.1mOhm 481 * @n_btypes number of elements in array bat_type 482 * @batt_id index of the identified battery in array bat_type 483 * @interval_charging charge alg cycle period time when charging (sec) 484 * @interval_not_charging charge alg cycle period time when not charging (sec) 485 * @temp_hysteresis temperature hysteresis 486 * @gnd_lift_resistance Battery ground to phone ground resistance (mOhm) 487 * @n_chg_out_curr number of elements in array chg_output_curr 488 * @n_chg_in_curr number of elements in array chg_input_curr 489 * @chg_output_curr charger output current level map 490 * @chg_input_curr charger input current level map 491 * @maxi maximization parameters 492 * @cap_levels capacity in percent for the different capacity levels 493 * @bat_type table of supported battery types 494 * @chg_params charger parameters 495 * @fg_params fuel gauge parameters 496 */ 497 struct abx500_bm_data { 498 int temp_under; 499 int temp_low; 500 int temp_high; 501 int temp_over; 502 int temp_now; 503 int temp_interval_chg; 504 int temp_interval_nochg; 505 int main_safety_tmr_h; 506 int usb_safety_tmr_h; 507 int bkup_bat_v; 508 int bkup_bat_i; 509 bool no_maintenance; 510 bool capacity_scaling; 511 bool chg_unknown_bat; 512 bool enable_overshoot; 513 bool auto_trig; 514 enum abx500_adc_therm adc_therm; 515 int fg_res; 516 int n_btypes; 517 int batt_id; 518 int interval_charging; 519 int interval_not_charging; 520 int temp_hysteresis; 521 int gnd_lift_resistance; 522 int n_chg_out_curr; 523 int n_chg_in_curr; 524 int *chg_output_curr; 525 int *chg_input_curr; 526 const struct abx500_maxim_parameters *maxi; 527 const struct abx500_bm_capacity_levels *cap_levels; 528 struct abx500_battery_type *bat_type; 529 const struct abx500_bm_charger_parameters *chg_params; 530 const struct abx500_fg_parameters *fg_params; 531 }; 532 533 enum { 534 NTC_EXTERNAL = 0, 535 NTC_INTERNAL, 536 }; 537 538 /** 539 * struct res_to_temp - defines one point in a temp to res curve. To 540 * be used in battery packs that combines the identification resistor with a 541 * NTC resistor. 542 * @temp: battery pack temperature in Celsius 543 * @resist: NTC resistor net total resistance 544 */ 545 struct res_to_temp { 546 int temp; 547 int resist; 548 }; 549 550 /** 551 * struct batres_vs_temp - defines one point in a temp vs battery internal 552 * resistance curve. 553 * @temp: battery pack temperature in Celsius 554 * @resist: battery internal reistance in mOhm 555 */ 556 struct batres_vs_temp { 557 int temp; 558 int resist; 559 }; 560 561 /* Forward declaration */ 562 struct ab8500_fg; 563 564 /** 565 * struct ab8500_fg_parameters - Fuel gauge algorithm parameters, in seconds 566 * if not specified 567 * @recovery_sleep_timer: Time between measurements while recovering 568 * @recovery_total_time: Total recovery time 569 * @init_timer: Measurement interval during startup 570 * @init_discard_time: Time we discard voltage measurement at startup 571 * @init_total_time: Total init time during startup 572 * @high_curr_time: Time current has to be high to go to recovery 573 * @accu_charging: FG accumulation time while charging 574 * @accu_high_curr: FG accumulation time in high current mode 575 * @high_curr_threshold: High current threshold, in mA 576 * @lowbat_threshold: Low battery threshold, in mV 577 * @battok_falling_th_sel0 Threshold in mV for battOk signal sel0 578 * Resolution in 50 mV step. 579 * @battok_raising_th_sel1 Threshold in mV for battOk signal sel1 580 * Resolution in 50 mV step. 581 * @user_cap_limit Capacity reported from user must be within this 582 * limit to be considered as sane, in percentage 583 * points. 584 * @maint_thres This is the threshold where we stop reporting 585 * battery full while in maintenance, in per cent 586 * @pcut_enable: Enable power cut feature in ab8505 587 * @pcut_max_time: Max time threshold 588 * @pcut_flag_time: Flagtime threshold 589 * @pcut_max_restart: Max number of restarts 590 * @pcut_debunce_time: Sets battery debounce time 591 */ 592 struct ab8500_fg_parameters { 593 int recovery_sleep_timer; 594 int recovery_total_time; 595 int init_timer; 596 int init_discard_time; 597 int init_total_time; 598 int high_curr_time; 599 int accu_charging; 600 int accu_high_curr; 601 int high_curr_threshold; 602 int lowbat_threshold; 603 int battok_falling_th_sel0; 604 int battok_raising_th_sel1; 605 int user_cap_limit; 606 int maint_thres; 607 bool pcut_enable; 608 u8 pcut_max_time; 609 u8 pcut_flag_time; 610 u8 pcut_max_restart; 611 u8 pcut_debunce_time; 612 }; 613 614 /** 615 * struct ab8500_charger_maximization - struct used by the board config. 616 * @use_maxi: Enable maximization for this battery type 617 * @maxi_chg_curr: Maximum charger current allowed 618 * @maxi_wait_cycles: cycles to wait before setting charger current 619 * @charger_curr_step delta between two charger current settings (mA) 620 */ 621 struct ab8500_maxim_parameters { 622 bool ena_maxi; 623 int chg_curr; 624 int wait_cycles; 625 int charger_curr_step; 626 }; 627 628 /** 629 * struct ab8500_bm_capacity_levels - ab8500 capacity level data 630 * @critical: critical capacity level in percent 631 * @low: low capacity level in percent 632 * @normal: normal capacity level in percent 633 * @high: high capacity level in percent 634 * @full: full capacity level in percent 635 */ 636 struct ab8500_bm_capacity_levels { 637 int critical; 638 int low; 639 int normal; 640 int high; 641 int full; 642 }; 643 644 /** 645 * struct ab8500_bm_charger_parameters - Charger specific parameters 646 * @usb_volt_max: maximum allowed USB charger voltage in mV 647 * @usb_curr_max: maximum allowed USB charger current in mA 648 * @ac_volt_max: maximum allowed AC charger voltage in mV 649 * @ac_curr_max: maximum allowed AC charger current in mA 650 */ 651 struct ab8500_bm_charger_parameters { 652 int usb_volt_max; 653 int usb_curr_max; 654 int ac_volt_max; 655 int ac_curr_max; 656 }; 657 658 /** 659 * struct ab8500_bm_data - ab8500 battery management data 660 * @temp_under under this temp, charging is stopped 661 * @temp_low between this temp and temp_under charging is reduced 662 * @temp_high between this temp and temp_over charging is reduced 663 * @temp_over over this temp, charging is stopped 664 * @temp_interval_chg temperature measurement interval in s when charging 665 * @temp_interval_nochg temperature measurement interval in s when not charging 666 * @main_safety_tmr_h safety timer for main charger 667 * @usb_safety_tmr_h safety timer for usb charger 668 * @bkup_bat_v voltage which we charge the backup battery with 669 * @bkup_bat_i current which we charge the backup battery with 670 * @no_maintenance indicates that maintenance charging is disabled 671 * @capacity_scaling indicates whether capacity scaling is to be used 672 * @adc_therm placement of thermistor, batctrl or battemp adc 673 * @chg_unknown_bat flag to enable charging of unknown batteries 674 * @enable_overshoot flag to enable VBAT overshoot control 675 * @fg_res resistance of FG resistor in 0.1mOhm 676 * @n_btypes number of elements in array bat_type 677 * @batt_id index of the identified battery in array bat_type 678 * @interval_charging charge alg cycle period time when charging (sec) 679 * @interval_not_charging charge alg cycle period time when not charging (sec) 680 * @temp_hysteresis temperature hysteresis 681 * @gnd_lift_resistance Battery ground to phone ground resistance (mOhm) 682 * @maxi: maximization parameters 683 * @cap_levels capacity in percent for the different capacity levels 684 * @bat_type table of supported battery types 685 * @chg_params charger parameters 686 * @fg_params fuel gauge parameters 687 */ 688 struct ab8500_bm_data { 689 int temp_under; 690 int temp_low; 691 int temp_high; 692 int temp_over; 693 int temp_interval_chg; 694 int temp_interval_nochg; 695 int main_safety_tmr_h; 696 int usb_safety_tmr_h; 697 int bkup_bat_v; 698 int bkup_bat_i; 699 bool no_maintenance; 700 bool capacity_scaling; 701 bool chg_unknown_bat; 702 bool enable_overshoot; 703 enum abx500_adc_therm adc_therm; 704 int fg_res; 705 int n_btypes; 706 int batt_id; 707 int interval_charging; 708 int interval_not_charging; 709 int temp_hysteresis; 710 int gnd_lift_resistance; 711 const struct ab8500_maxim_parameters *maxi; 712 const struct ab8500_bm_capacity_levels *cap_levels; 713 const struct ab8500_bm_charger_parameters *chg_params; 714 const struct ab8500_fg_parameters *fg_params; 715 }; 716 717 extern struct abx500_bm_data ab8500_bm_data; 718 719 void ab8500_charger_usb_state_changed(u8 bm_usb_state, u16 mA); 720 struct ab8500_fg *ab8500_fg_get(void); 721 int ab8500_fg_inst_curr_blocking(struct ab8500_fg *dev); 722 int ab8500_fg_inst_curr_start(struct ab8500_fg *di); 723 int ab8500_fg_inst_curr_finalize(struct ab8500_fg *di, int *res); 724 int ab8500_fg_inst_curr_started(struct ab8500_fg *di); 725 int ab8500_fg_inst_curr_done(struct ab8500_fg *di); 726 int ab8500_bm_of_probe(struct device *dev, 727 struct device_node *np, 728 struct abx500_bm_data *bm); 729 730 extern struct platform_driver ab8500_fg_driver; 731 extern struct platform_driver ab8500_btemp_driver; 732 extern struct platform_driver abx500_chargalg_driver; 733 734 #endif /* _AB8500_CHARGER_H_ */ 735