Linus Walleij | 14fa569 | 2009-05-21 23:17:06 +0200 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2007-2009 ST-Ericsson AB |
| 3 | * License terms: GNU General Public License (GPL) version 2 |
| 4 | * AB3100 core access functions |
| 5 | * Author: Linus Walleij <linus.walleij@stericsson.com> |
Mattias Wallin | fa66125 | 2010-05-01 18:26:20 +0200 | [diff] [blame] | 6 | * |
| 7 | * ABX500 core access functions. |
| 8 | * The abx500 interface is used for the Analog Baseband chip |
Linus Walleij | 8959e74 | 2011-09-26 11:45:30 +0200 | [diff] [blame] | 9 | * ab3100, ab5500, and ab8500. |
Mattias Wallin | fa66125 | 2010-05-01 18:26:20 +0200 | [diff] [blame] | 10 | * |
| 11 | * Author: Mattias Wallin <mattias.wallin@stericsson.com> |
| 12 | * Author: Mattias Nilsson <mattias.i.nilsson@stericsson.com> |
| 13 | * Author: Bengt Jonsson <bengt.g.jonsson@stericsson.com> |
| 14 | * Author: Rickard Andersson <rickard.andersson@stericsson.com> |
Linus Walleij | 14fa569 | 2009-05-21 23:17:06 +0200 | [diff] [blame] | 15 | */ |
| 16 | |
Linus Walleij | d619bc1 | 2009-09-09 11:31:00 +0200 | [diff] [blame] | 17 | #include <linux/regulator/machine.h> |
Linus Walleij | 14fa569 | 2009-05-21 23:17:06 +0200 | [diff] [blame] | 18 | |
Paul Gortmaker | 313162d | 2012-01-30 11:46:54 -0500 | [diff] [blame] | 19 | struct device; |
| 20 | |
Mattias Wallin | fa66125 | 2010-05-01 18:26:20 +0200 | [diff] [blame] | 21 | #ifndef MFD_ABX500_H |
| 22 | #define MFD_ABX500_H |
Linus Walleij | 14fa569 | 2009-05-21 23:17:06 +0200 | [diff] [blame] | 23 | |
Mattias Wallin | fa66125 | 2010-05-01 18:26:20 +0200 | [diff] [blame] | 24 | #define AB3100_P1A 0xc0 |
| 25 | #define AB3100_P1B 0xc1 |
| 26 | #define AB3100_P1C 0xc2 |
| 27 | #define AB3100_P1D 0xc3 |
| 28 | #define AB3100_P1E 0xc4 |
| 29 | #define AB3100_P1F 0xc5 |
| 30 | #define AB3100_P1G 0xc6 |
| 31 | #define AB3100_R2A 0xc7 |
| 32 | #define AB3100_R2B 0xc8 |
Mattias Wallin | fa66125 | 2010-05-01 18:26:20 +0200 | [diff] [blame] | 33 | #define AB5500_1_0 0x20 |
Mattias Wallin | 3d5e2ca | 2011-09-22 08:22:18 +0200 | [diff] [blame] | 34 | #define AB5500_1_1 0x21 |
| 35 | #define AB5500_2_0 0x24 |
Linus Walleij | 14fa569 | 2009-05-21 23:17:06 +0200 | [diff] [blame] | 36 | |
| 37 | /* |
| 38 | * AB3100, EVENTA1, A2 and A3 event register flags |
| 39 | * these are catenated into a single 32-bit flag in the code |
| 40 | * for event notification broadcasts. |
| 41 | */ |
| 42 | #define AB3100_EVENTA1_ONSWA (0x01<<16) |
| 43 | #define AB3100_EVENTA1_ONSWB (0x02<<16) |
| 44 | #define AB3100_EVENTA1_ONSWC (0x04<<16) |
| 45 | #define AB3100_EVENTA1_DCIO (0x08<<16) |
| 46 | #define AB3100_EVENTA1_OVER_TEMP (0x10<<16) |
| 47 | #define AB3100_EVENTA1_SIM_OFF (0x20<<16) |
| 48 | #define AB3100_EVENTA1_VBUS (0x40<<16) |
| 49 | #define AB3100_EVENTA1_VSET_USB (0x80<<16) |
| 50 | |
| 51 | #define AB3100_EVENTA2_READY_TX (0x01<<8) |
| 52 | #define AB3100_EVENTA2_READY_RX (0x02<<8) |
| 53 | #define AB3100_EVENTA2_OVERRUN_ERROR (0x04<<8) |
| 54 | #define AB3100_EVENTA2_FRAMING_ERROR (0x08<<8) |
| 55 | #define AB3100_EVENTA2_CHARG_OVERCURRENT (0x10<<8) |
| 56 | #define AB3100_EVENTA2_MIDR (0x20<<8) |
| 57 | #define AB3100_EVENTA2_BATTERY_REM (0x40<<8) |
| 58 | #define AB3100_EVENTA2_ALARM (0x80<<8) |
| 59 | |
| 60 | #define AB3100_EVENTA3_ADC_TRIG5 (0x01) |
| 61 | #define AB3100_EVENTA3_ADC_TRIG4 (0x02) |
| 62 | #define AB3100_EVENTA3_ADC_TRIG3 (0x04) |
| 63 | #define AB3100_EVENTA3_ADC_TRIG2 (0x08) |
| 64 | #define AB3100_EVENTA3_ADC_TRIGVBAT (0x10) |
| 65 | #define AB3100_EVENTA3_ADC_TRIGVTX (0x20) |
| 66 | #define AB3100_EVENTA3_ADC_TRIG1 (0x40) |
| 67 | #define AB3100_EVENTA3_ADC_TRIG0 (0x80) |
| 68 | |
| 69 | /* AB3100, STR register flags */ |
| 70 | #define AB3100_STR_ONSWA (0x01) |
| 71 | #define AB3100_STR_ONSWB (0x02) |
| 72 | #define AB3100_STR_ONSWC (0x04) |
| 73 | #define AB3100_STR_DCIO (0x08) |
| 74 | #define AB3100_STR_BOOT_MODE (0x10) |
| 75 | #define AB3100_STR_SIM_OFF (0x20) |
| 76 | #define AB3100_STR_BATT_REMOVAL (0x40) |
| 77 | #define AB3100_STR_VBUS (0x80) |
| 78 | |
Linus Walleij | d619bc1 | 2009-09-09 11:31:00 +0200 | [diff] [blame] | 79 | /* |
| 80 | * AB3100 contains 8 regulators, one external regulator controller |
| 81 | * and a buck converter, further the LDO E and buck converter can |
| 82 | * have separate settings if they are in sleep mode, this is |
| 83 | * modeled as a separate regulator. |
| 84 | */ |
| 85 | #define AB3100_NUM_REGULATORS 10 |
| 86 | |
Linus Walleij | 14fa569 | 2009-05-21 23:17:06 +0200 | [diff] [blame] | 87 | /** |
| 88 | * struct ab3100 |
| 89 | * @access_mutex: lock out concurrent accesses to the AB3100 registers |
| 90 | * @dev: pointer to the containing device |
| 91 | * @i2c_client: I2C client for this chip |
| 92 | * @testreg_client: secondary client for test registers |
| 93 | * @chip_name: name of this chip variant |
| 94 | * @chip_id: 8 bit chip ID for this chip variant |
Linus Walleij | 14fa569 | 2009-05-21 23:17:06 +0200 | [diff] [blame] | 95 | * @event_subscribers: event subscribers are listed here |
| 96 | * @startup_events: a copy of the first reading of the event registers |
| 97 | * @startup_events_read: whether the first events have been read |
| 98 | * |
| 99 | * This struct is PRIVATE and devices using it should NOT |
| 100 | * access ANY fields. It is used as a token for calling the |
| 101 | * AB3100 functions. |
| 102 | */ |
| 103 | struct ab3100 { |
| 104 | struct mutex access_mutex; |
| 105 | struct device *dev; |
| 106 | struct i2c_client *i2c_client; |
| 107 | struct i2c_client *testreg_client; |
| 108 | char chip_name[32]; |
| 109 | u8 chip_id; |
Linus Walleij | 14fa569 | 2009-05-21 23:17:06 +0200 | [diff] [blame] | 110 | struct blocking_notifier_head event_subscribers; |
Mattias Wallin | fa66125 | 2010-05-01 18:26:20 +0200 | [diff] [blame] | 111 | u8 startup_events[3]; |
Linus Walleij | 14fa569 | 2009-05-21 23:17:06 +0200 | [diff] [blame] | 112 | bool startup_events_read; |
| 113 | }; |
| 114 | |
Linus Walleij | d619bc1 | 2009-09-09 11:31:00 +0200 | [diff] [blame] | 115 | /** |
| 116 | * struct ab3100_platform_data |
| 117 | * Data supplied to initialize board connections to the AB3100 |
| 118 | * @reg_constraints: regulator constraints for target board |
| 119 | * the order of these constraints are: LDO A, C, D, E, |
| 120 | * F, G, H, K, EXT and BUCK. |
| 121 | * @reg_initvals: initial values for the regulator registers |
| 122 | * plus two sleep settings for LDO E and the BUCK converter. |
| 123 | * exactly AB3100_NUM_REGULATORS+2 values must be sent in. |
| 124 | * Order: LDO A, C, E, E sleep, F, G, H, K, EXT, BUCK, |
| 125 | * BUCK sleep, LDO D. (LDO D need to be initialized last.) |
| 126 | * @external_voltage: voltage level of the external regulator. |
| 127 | */ |
| 128 | struct ab3100_platform_data { |
| 129 | struct regulator_init_data reg_constraints[AB3100_NUM_REGULATORS]; |
| 130 | u8 reg_initvals[AB3100_NUM_REGULATORS+2]; |
| 131 | int external_voltage; |
| 132 | }; |
| 133 | |
Linus Walleij | 14fa569 | 2009-05-21 23:17:06 +0200 | [diff] [blame] | 134 | int ab3100_event_register(struct ab3100 *ab3100, |
| 135 | struct notifier_block *nb); |
| 136 | int ab3100_event_unregister(struct ab3100 *ab3100, |
| 137 | struct notifier_block *nb); |
Linus Walleij | 14fa569 | 2009-05-21 23:17:06 +0200 | [diff] [blame] | 138 | |
Mattias Wallin | fa66125 | 2010-05-01 18:26:20 +0200 | [diff] [blame] | 139 | /** |
| 140 | * struct abx500_init_setting |
| 141 | * Initial value of the registers for driver to use during setup. |
| 142 | */ |
| 143 | struct abx500_init_settings { |
| 144 | u8 bank; |
| 145 | u8 reg; |
| 146 | u8 setting; |
| 147 | }; |
| 148 | |
Arun Murthy | 1668f81 | 2012-02-29 21:54:25 +0530 | [diff] [blame] | 149 | /* Battery driver related data */ |
| 150 | /* |
| 151 | * ADC for the battery thermistor. |
| 152 | * When using the ABx500_ADC_THERM_BATCTRL the battery ID resistor is combined |
| 153 | * with a NTC resistor to both identify the battery and to measure its |
| 154 | * temperature. Different phone manufactures uses different techniques to both |
| 155 | * identify the battery and to read its temperature. |
| 156 | */ |
| 157 | enum abx500_adc_therm { |
| 158 | ABx500_ADC_THERM_BATCTRL, |
| 159 | ABx500_ADC_THERM_BATTEMP, |
| 160 | }; |
| 161 | |
| 162 | /** |
| 163 | * struct abx500_res_to_temp - defines one point in a temp to res curve. To |
| 164 | * be used in battery packs that combines the identification resistor with a |
| 165 | * NTC resistor. |
| 166 | * @temp: battery pack temperature in Celcius |
| 167 | * @resist: NTC resistor net total resistance |
| 168 | */ |
| 169 | struct abx500_res_to_temp { |
| 170 | int temp; |
| 171 | int resist; |
| 172 | }; |
| 173 | |
| 174 | /** |
| 175 | * struct abx500_v_to_cap - Table for translating voltage to capacity |
| 176 | * @voltage: Voltage in mV |
| 177 | * @capacity: Capacity in percent |
| 178 | */ |
| 179 | struct abx500_v_to_cap { |
| 180 | int voltage; |
| 181 | int capacity; |
| 182 | }; |
| 183 | |
| 184 | /* Forward declaration */ |
| 185 | struct abx500_fg; |
| 186 | |
| 187 | /** |
| 188 | * struct abx500_fg_parameters - Fuel gauge algorithm parameters, in seconds |
| 189 | * if not specified |
| 190 | * @recovery_sleep_timer: Time between measurements while recovering |
| 191 | * @recovery_total_time: Total recovery time |
| 192 | * @init_timer: Measurement interval during startup |
| 193 | * @init_discard_time: Time we discard voltage measurement at startup |
| 194 | * @init_total_time: Total init time during startup |
| 195 | * @high_curr_time: Time current has to be high to go to recovery |
| 196 | * @accu_charging: FG accumulation time while charging |
| 197 | * @accu_high_curr: FG accumulation time in high current mode |
| 198 | * @high_curr_threshold: High current threshold, in mA |
| 199 | * @lowbat_threshold: Low battery threshold, in mV |
| 200 | * @overbat_threshold: Over battery threshold, in mV |
| 201 | * @battok_falling_th_sel0 Threshold in mV for battOk signal sel0 |
| 202 | * Resolution in 50 mV step. |
| 203 | * @battok_raising_th_sel1 Threshold in mV for battOk signal sel1 |
| 204 | * Resolution in 50 mV step. |
| 205 | * @user_cap_limit Capacity reported from user must be within this |
| 206 | * limit to be considered as sane, in percentage |
| 207 | * points. |
| 208 | * @maint_thres This is the threshold where we stop reporting |
| 209 | * battery full while in maintenance, in per cent |
| 210 | */ |
| 211 | struct abx500_fg_parameters { |
| 212 | int recovery_sleep_timer; |
| 213 | int recovery_total_time; |
| 214 | int init_timer; |
| 215 | int init_discard_time; |
| 216 | int init_total_time; |
| 217 | int high_curr_time; |
| 218 | int accu_charging; |
| 219 | int accu_high_curr; |
| 220 | int high_curr_threshold; |
| 221 | int lowbat_threshold; |
| 222 | int overbat_threshold; |
| 223 | int battok_falling_th_sel0; |
| 224 | int battok_raising_th_sel1; |
| 225 | int user_cap_limit; |
| 226 | int maint_thres; |
| 227 | }; |
| 228 | |
| 229 | /** |
| 230 | * struct abx500_charger_maximization - struct used by the board config. |
| 231 | * @use_maxi: Enable maximization for this battery type |
| 232 | * @maxi_chg_curr: Maximum charger current allowed |
| 233 | * @maxi_wait_cycles: cycles to wait before setting charger current |
| 234 | * @charger_curr_step delta between two charger current settings (mA) |
| 235 | */ |
| 236 | struct abx500_maxim_parameters { |
| 237 | bool ena_maxi; |
| 238 | int chg_curr; |
| 239 | int wait_cycles; |
| 240 | int charger_curr_step; |
| 241 | }; |
| 242 | |
| 243 | /** |
| 244 | * struct abx500_battery_type - different batteries supported |
| 245 | * @name: battery technology |
| 246 | * @resis_high: battery upper resistance limit |
| 247 | * @resis_low: battery lower resistance limit |
| 248 | * @charge_full_design: Maximum battery capacity in mAh |
| 249 | * @nominal_voltage: Nominal voltage of the battery in mV |
| 250 | * @termination_vol: max voltage upto which battery can be charged |
| 251 | * @termination_curr battery charging termination current in mA |
| 252 | * @recharge_vol battery voltage limit that will trigger a new |
| 253 | * full charging cycle in the case where maintenan- |
| 254 | * -ce charging has been disabled |
| 255 | * @normal_cur_lvl: charger current in normal state in mA |
| 256 | * @normal_vol_lvl: charger voltage in normal state in mV |
| 257 | * @maint_a_cur_lvl: charger current in maintenance A state in mA |
| 258 | * @maint_a_vol_lvl: charger voltage in maintenance A state in mV |
| 259 | * @maint_a_chg_timer_h: charge time in maintenance A state |
| 260 | * @maint_b_cur_lvl: charger current in maintenance B state in mA |
| 261 | * @maint_b_vol_lvl: charger voltage in maintenance B state in mV |
| 262 | * @maint_b_chg_timer_h: charge time in maintenance B state |
| 263 | * @low_high_cur_lvl: charger current in temp low/high state in mA |
| 264 | * @low_high_vol_lvl: charger voltage in temp low/high state in mV' |
| 265 | * @battery_resistance: battery inner resistance in mOhm. |
| 266 | * @n_r_t_tbl_elements: number of elements in r_to_t_tbl |
| 267 | * @r_to_t_tbl: table containing resistance to temp points |
| 268 | * @n_v_cap_tbl_elements: number of elements in v_to_cap_tbl |
| 269 | * @v_to_cap_tbl: Voltage to capacity (in %) table |
| 270 | * @n_batres_tbl_elements number of elements in the batres_tbl |
| 271 | * @batres_tbl battery internal resistance vs temperature table |
| 272 | */ |
| 273 | struct abx500_battery_type { |
| 274 | int name; |
| 275 | int resis_high; |
| 276 | int resis_low; |
| 277 | int charge_full_design; |
| 278 | int nominal_voltage; |
| 279 | int termination_vol; |
| 280 | int termination_curr; |
| 281 | int recharge_vol; |
| 282 | int normal_cur_lvl; |
| 283 | int normal_vol_lvl; |
| 284 | int maint_a_cur_lvl; |
| 285 | int maint_a_vol_lvl; |
| 286 | int maint_a_chg_timer_h; |
| 287 | int maint_b_cur_lvl; |
| 288 | int maint_b_vol_lvl; |
| 289 | int maint_b_chg_timer_h; |
| 290 | int low_high_cur_lvl; |
| 291 | int low_high_vol_lvl; |
| 292 | int battery_resistance; |
| 293 | int n_temp_tbl_elements; |
| 294 | struct abx500_res_to_temp *r_to_t_tbl; |
| 295 | int n_v_cap_tbl_elements; |
| 296 | struct abx500_v_to_cap *v_to_cap_tbl; |
| 297 | int n_batres_tbl_elements; |
| 298 | struct batres_vs_temp *batres_tbl; |
| 299 | }; |
| 300 | |
| 301 | /** |
| 302 | * struct abx500_bm_capacity_levels - abx500 capacity level data |
| 303 | * @critical: critical capacity level in percent |
| 304 | * @low: low capacity level in percent |
| 305 | * @normal: normal capacity level in percent |
| 306 | * @high: high capacity level in percent |
| 307 | * @full: full capacity level in percent |
| 308 | */ |
| 309 | struct abx500_bm_capacity_levels { |
| 310 | int critical; |
| 311 | int low; |
| 312 | int normal; |
| 313 | int high; |
| 314 | int full; |
| 315 | }; |
| 316 | |
| 317 | /** |
| 318 | * struct abx500_bm_charger_parameters - Charger specific parameters |
| 319 | * @usb_volt_max: maximum allowed USB charger voltage in mV |
| 320 | * @usb_curr_max: maximum allowed USB charger current in mA |
| 321 | * @ac_volt_max: maximum allowed AC charger voltage in mV |
| 322 | * @ac_curr_max: maximum allowed AC charger current in mA |
| 323 | */ |
| 324 | struct abx500_bm_charger_parameters { |
| 325 | int usb_volt_max; |
| 326 | int usb_curr_max; |
| 327 | int ac_volt_max; |
| 328 | int ac_curr_max; |
| 329 | }; |
| 330 | |
| 331 | /** |
| 332 | * struct abx500_bm_data - abx500 battery management data |
| 333 | * @temp_under under this temp, charging is stopped |
| 334 | * @temp_low between this temp and temp_under charging is reduced |
| 335 | * @temp_high between this temp and temp_over charging is reduced |
| 336 | * @temp_over over this temp, charging is stopped |
| 337 | * @temp_now present battery temperature |
| 338 | * @temp_interval_chg temperature measurement interval in s when charging |
| 339 | * @temp_interval_nochg temperature measurement interval in s when not charging |
| 340 | * @main_safety_tmr_h safety timer for main charger |
| 341 | * @usb_safety_tmr_h safety timer for usb charger |
| 342 | * @bkup_bat_v voltage which we charge the backup battery with |
| 343 | * @bkup_bat_i current which we charge the backup battery with |
| 344 | * @no_maintenance indicates that maintenance charging is disabled |
| 345 | * @abx500_adc_therm placement of thermistor, batctrl or battemp adc |
| 346 | * @chg_unknown_bat flag to enable charging of unknown batteries |
| 347 | * @enable_overshoot flag to enable VBAT overshoot control |
| 348 | * @auto_trig flag to enable auto adc trigger |
| 349 | * @fg_res resistance of FG resistor in 0.1mOhm |
| 350 | * @n_btypes number of elements in array bat_type |
| 351 | * @batt_id index of the identified battery in array bat_type |
| 352 | * @interval_charging charge alg cycle period time when charging (sec) |
| 353 | * @interval_not_charging charge alg cycle period time when not charging (sec) |
| 354 | * @temp_hysteresis temperature hysteresis |
| 355 | * @gnd_lift_resistance Battery ground to phone ground resistance (mOhm) |
| 356 | * @maxi: maximization parameters |
| 357 | * @cap_levels capacity in percent for the different capacity levels |
| 358 | * @bat_type table of supported battery types |
| 359 | * @chg_params charger parameters |
| 360 | * @fg_params fuel gauge parameters |
| 361 | */ |
| 362 | struct abx500_bm_data { |
| 363 | int temp_under; |
| 364 | int temp_low; |
| 365 | int temp_high; |
| 366 | int temp_over; |
| 367 | int temp_now; |
| 368 | int temp_interval_chg; |
| 369 | int temp_interval_nochg; |
| 370 | int main_safety_tmr_h; |
| 371 | int usb_safety_tmr_h; |
| 372 | int bkup_bat_v; |
| 373 | int bkup_bat_i; |
| 374 | bool no_maintenance; |
| 375 | bool chg_unknown_bat; |
| 376 | bool enable_overshoot; |
| 377 | bool auto_trig; |
| 378 | enum abx500_adc_therm adc_therm; |
| 379 | int fg_res; |
| 380 | int n_btypes; |
| 381 | int batt_id; |
| 382 | int interval_charging; |
| 383 | int interval_not_charging; |
| 384 | int temp_hysteresis; |
| 385 | int gnd_lift_resistance; |
| 386 | const struct abx500_maxim_parameters *maxi; |
| 387 | const struct abx500_bm_capacity_levels *cap_levels; |
| 388 | const struct abx500_battery_type *bat_type; |
| 389 | const struct abx500_bm_charger_parameters *chg_params; |
| 390 | const struct abx500_fg_parameters *fg_params; |
| 391 | }; |
| 392 | |
| 393 | struct abx500_chargalg_platform_data { |
| 394 | char **supplied_to; |
| 395 | size_t num_supplicants; |
| 396 | }; |
| 397 | |
| 398 | struct abx500_charger_platform_data { |
| 399 | char **supplied_to; |
| 400 | size_t num_supplicants; |
| 401 | bool autopower_cfg; |
| 402 | }; |
| 403 | |
| 404 | struct abx500_btemp_platform_data { |
| 405 | char **supplied_to; |
| 406 | size_t num_supplicants; |
| 407 | }; |
| 408 | |
| 409 | struct abx500_fg_platform_data { |
| 410 | char **supplied_to; |
| 411 | size_t num_supplicants; |
| 412 | }; |
| 413 | |
| 414 | struct abx500_bm_plat_data { |
| 415 | struct abx500_bm_data *battery; |
| 416 | struct abx500_charger_platform_data *charger; |
| 417 | struct abx500_btemp_platform_data *btemp; |
| 418 | struct abx500_fg_platform_data *fg; |
| 419 | struct abx500_chargalg_platform_data *chargalg; |
| 420 | }; |
| 421 | |
Mattias Wallin | fa66125 | 2010-05-01 18:26:20 +0200 | [diff] [blame] | 422 | int abx500_set_register_interruptible(struct device *dev, u8 bank, u8 reg, |
| 423 | u8 value); |
| 424 | int abx500_get_register_interruptible(struct device *dev, u8 bank, u8 reg, |
| 425 | u8 *value); |
| 426 | int abx500_get_register_page_interruptible(struct device *dev, u8 bank, |
| 427 | u8 first_reg, u8 *regvals, u8 numregs); |
| 428 | int abx500_set_register_page_interruptible(struct device *dev, u8 bank, |
| 429 | u8 first_reg, u8 *regvals, u8 numregs); |
| 430 | /** |
| 431 | * abx500_mask_and_set_register_inerruptible() - Modifies selected bits of a |
| 432 | * target register |
| 433 | * |
| 434 | * @dev: The AB sub device. |
| 435 | * @bank: The i2c bank number. |
| 436 | * @bitmask: The bit mask to use. |
| 437 | * @bitvalues: The new bit values. |
| 438 | * |
| 439 | * Updates the value of an AB register: |
| 440 | * value -> ((value & ~bitmask) | (bitvalues & bitmask)) |
| 441 | */ |
| 442 | int abx500_mask_and_set_register_interruptible(struct device *dev, u8 bank, |
| 443 | u8 reg, u8 bitmask, u8 bitvalues); |
| 444 | int abx500_get_chip_id(struct device *dev); |
| 445 | int abx500_event_registers_startup_state_get(struct device *dev, u8 *event); |
| 446 | int abx500_startup_irq_enabled(struct device *dev, unsigned int irq); |
| 447 | |
| 448 | struct abx500_ops { |
| 449 | int (*get_chip_id) (struct device *); |
| 450 | int (*get_register) (struct device *, u8, u8, u8 *); |
| 451 | int (*set_register) (struct device *, u8, u8, u8); |
| 452 | int (*get_register_page) (struct device *, u8, u8, u8 *, u8); |
| 453 | int (*set_register_page) (struct device *, u8, u8, u8 *, u8); |
| 454 | int (*mask_and_set_register) (struct device *, u8, u8, u8, u8); |
| 455 | int (*event_registers_startup_state_get) (struct device *, u8 *); |
| 456 | int (*startup_irq_enabled) (struct device *, unsigned int); |
| 457 | }; |
| 458 | |
| 459 | int abx500_register_ops(struct device *core_dev, struct abx500_ops *ops); |
Mark Brown | c6252e9 | 2010-09-22 14:58:30 +0100 | [diff] [blame] | 460 | void abx500_remove_ops(struct device *dev); |
Linus Walleij | 14fa569 | 2009-05-21 23:17:06 +0200 | [diff] [blame] | 461 | #endif |