Harry Yang | 4b7db0f | 2017-11-27 10:50:44 -0800 | [diff] [blame] | 1 | /* Copyright (c) 2018 The Linux Foundation. All rights reserved. |
| 2 | * |
| 3 | * This program is free software; you can redistribute it and/or modify |
| 4 | * it under the terms of the GNU General Public License version 2 and |
| 5 | * only version 2 as published by the Free Software Foundation. |
| 6 | * |
| 7 | * This program is distributed in the hope that it will be useful, |
| 8 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 9 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 10 | * GNU General Public License for more details. |
| 11 | */ |
| 12 | |
| 13 | #include <linux/device.h> |
| 14 | #include <linux/regmap.h> |
| 15 | #include <linux/delay.h> |
| 16 | #include <linux/power_supply.h> |
| 17 | #include <linux/regulator/driver.h> |
| 18 | #include <linux/qpnp/qpnp-revid.h> |
| 19 | #include <linux/irq.h> |
| 20 | #include <linux/pmic-voter.h> |
| 21 | #include "smb5-lib.h" |
| 22 | #include "smb5-reg.h" |
| 23 | #include "battery.h" |
| 24 | #include "step-chg-jeita.h" |
| 25 | #include "storm-watch.h" |
| 26 | |
| 27 | #define smblib_err(chg, fmt, ...) \ |
| 28 | pr_err("%s: %s: " fmt, chg->name, \ |
| 29 | __func__, ##__VA_ARGS__) \ |
| 30 | |
| 31 | #define smblib_dbg(chg, reason, fmt, ...) \ |
| 32 | do { \ |
| 33 | if (*chg->debug_mask & (reason)) \ |
| 34 | pr_info("%s: %s: " fmt, chg->name, \ |
| 35 | __func__, ##__VA_ARGS__); \ |
| 36 | else \ |
| 37 | pr_debug("%s: %s: " fmt, chg->name, \ |
| 38 | __func__, ##__VA_ARGS__); \ |
| 39 | } while (0) |
| 40 | |
| 41 | |
| 42 | int smblib_read(struct smb_charger *chg, u16 addr, u8 *val) |
| 43 | { |
| 44 | unsigned int value; |
| 45 | int rc = 0; |
| 46 | |
| 47 | rc = regmap_read(chg->regmap, addr, &value); |
| 48 | if (rc >= 0) |
| 49 | *val = (u8)value; |
| 50 | |
| 51 | return rc; |
| 52 | } |
| 53 | |
| 54 | int smblib_batch_read(struct smb_charger *chg, u16 addr, u8 *val, |
| 55 | int count) |
| 56 | { |
| 57 | return regmap_bulk_read(chg->regmap, addr, val, count); |
| 58 | } |
| 59 | |
| 60 | int smblib_write(struct smb_charger *chg, u16 addr, u8 val) |
| 61 | { |
| 62 | return regmap_write(chg->regmap, addr, val); |
| 63 | } |
| 64 | |
| 65 | int smblib_masked_write(struct smb_charger *chg, u16 addr, u8 mask, u8 val) |
| 66 | { |
| 67 | |
| 68 | return regmap_update_bits(chg->regmap, addr, mask, val); |
| 69 | |
| 70 | } |
| 71 | |
| 72 | int smblib_get_jeita_cc_delta(struct smb_charger *chg, int *cc_delta_ua) |
| 73 | { |
| 74 | int rc, cc_minus_ua; |
| 75 | u8 stat; |
| 76 | |
| 77 | rc = smblib_read(chg, BATTERY_CHARGER_STATUS_7_REG, &stat); |
| 78 | if (rc < 0) { |
| 79 | smblib_err(chg, "Couldn't read BATTERY_CHARGER_STATUS_2 rc=%d\n", |
| 80 | rc); |
| 81 | return rc; |
| 82 | } |
| 83 | |
| 84 | if (stat & BAT_TEMP_STATUS_HOT_SOFT_BIT) { |
| 85 | rc = smblib_get_charge_param(chg, &chg->param.jeita_cc_comp_hot, |
| 86 | &cc_minus_ua); |
| 87 | if (rc < 0) { |
| 88 | smblib_err(chg, "Couldn't get jeita cc minus rc=%d\n", |
| 89 | rc); |
| 90 | return rc; |
| 91 | } |
| 92 | } else if (stat & BAT_TEMP_STATUS_COLD_SOFT_BIT) { |
| 93 | rc = smblib_get_charge_param(chg, |
| 94 | &chg->param.jeita_cc_comp_cold, |
| 95 | &cc_minus_ua); |
| 96 | if (rc < 0) { |
| 97 | smblib_err(chg, "Couldn't get jeita cc minus rc=%d\n", |
| 98 | rc); |
| 99 | return rc; |
| 100 | } |
| 101 | } else { |
| 102 | cc_minus_ua = 0; |
| 103 | } |
| 104 | |
| 105 | *cc_delta_ua = -cc_minus_ua; |
| 106 | |
| 107 | return 0; |
| 108 | } |
| 109 | |
| 110 | int smblib_icl_override(struct smb_charger *chg, bool override) |
| 111 | { |
| 112 | int rc; |
| 113 | |
| 114 | rc = smblib_masked_write(chg, USBIN_LOAD_CFG_REG, |
| 115 | ICL_OVERRIDE_AFTER_APSD_BIT, |
| 116 | override ? ICL_OVERRIDE_AFTER_APSD_BIT : 0); |
| 117 | if (rc < 0) |
| 118 | smblib_err(chg, "Couldn't override ICL rc=%d\n", rc); |
| 119 | |
| 120 | return rc; |
| 121 | } |
| 122 | |
| 123 | int smblib_stat_sw_override_cfg(struct smb_charger *chg, bool override) |
| 124 | { |
| 125 | int rc = 0; |
| 126 | |
| 127 | /* override = 1, SW STAT override; override = 0, HW auto mode */ |
| 128 | rc = smblib_masked_write(chg, MISC_SMB_EN_CMD_REG, |
| 129 | SMB_EN_OVERRIDE_BIT, |
| 130 | override ? SMB_EN_OVERRIDE_BIT : 0); |
| 131 | if (rc < 0) { |
| 132 | dev_err(chg->dev, "Couldn't configure SW STAT override rc=%d\n", |
| 133 | rc); |
| 134 | return rc; |
| 135 | } |
| 136 | |
| 137 | return rc; |
| 138 | } |
| 139 | |
| 140 | /******************** |
| 141 | * REGISTER GETTERS * |
| 142 | ********************/ |
| 143 | |
| 144 | int smblib_get_charge_param(struct smb_charger *chg, |
| 145 | struct smb_chg_param *param, int *val_u) |
| 146 | { |
| 147 | int rc = 0; |
| 148 | u8 val_raw; |
| 149 | |
| 150 | rc = smblib_read(chg, param->reg, &val_raw); |
| 151 | if (rc < 0) { |
| 152 | smblib_err(chg, "%s: Couldn't read from 0x%04x rc=%d\n", |
| 153 | param->name, param->reg, rc); |
| 154 | return rc; |
| 155 | } |
| 156 | |
| 157 | if (param->get_proc) |
| 158 | *val_u = param->get_proc(param, val_raw); |
| 159 | else |
| 160 | *val_u = val_raw * param->step_u + param->min_u; |
| 161 | smblib_dbg(chg, PR_REGISTER, "%s = %d (0x%02x)\n", |
| 162 | param->name, *val_u, val_raw); |
| 163 | |
| 164 | return rc; |
| 165 | } |
| 166 | |
| 167 | int smblib_get_usb_suspend(struct smb_charger *chg, int *suspend) |
| 168 | { |
| 169 | int rc = 0; |
| 170 | u8 temp; |
| 171 | |
| 172 | rc = smblib_read(chg, USBIN_CMD_IL_REG, &temp); |
| 173 | if (rc < 0) { |
| 174 | smblib_err(chg, "Couldn't read USBIN_CMD_IL rc=%d\n", rc); |
| 175 | return rc; |
| 176 | } |
| 177 | *suspend = temp & USBIN_SUSPEND_BIT; |
| 178 | |
| 179 | return rc; |
| 180 | } |
| 181 | |
| 182 | struct apsd_result { |
| 183 | const char * const name; |
| 184 | const u8 bit; |
| 185 | const enum power_supply_type pst; |
| 186 | }; |
| 187 | |
| 188 | enum { |
| 189 | UNKNOWN, |
| 190 | SDP, |
| 191 | CDP, |
| 192 | DCP, |
| 193 | OCP, |
| 194 | FLOAT, |
| 195 | HVDCP2, |
| 196 | HVDCP3, |
| 197 | MAX_TYPES |
| 198 | }; |
| 199 | |
| 200 | static const struct apsd_result smblib_apsd_results[] = { |
| 201 | [UNKNOWN] = { |
| 202 | .name = "UNKNOWN", |
| 203 | .bit = 0, |
| 204 | .pst = POWER_SUPPLY_TYPE_UNKNOWN |
| 205 | }, |
| 206 | [SDP] = { |
| 207 | .name = "SDP", |
| 208 | .bit = SDP_CHARGER_BIT, |
| 209 | .pst = POWER_SUPPLY_TYPE_USB |
| 210 | }, |
| 211 | [CDP] = { |
| 212 | .name = "CDP", |
| 213 | .bit = CDP_CHARGER_BIT, |
| 214 | .pst = POWER_SUPPLY_TYPE_USB_CDP |
| 215 | }, |
| 216 | [DCP] = { |
| 217 | .name = "DCP", |
| 218 | .bit = DCP_CHARGER_BIT, |
| 219 | .pst = POWER_SUPPLY_TYPE_USB_DCP |
| 220 | }, |
| 221 | [OCP] = { |
| 222 | .name = "OCP", |
| 223 | .bit = OCP_CHARGER_BIT, |
| 224 | .pst = POWER_SUPPLY_TYPE_USB_DCP |
| 225 | }, |
| 226 | [FLOAT] = { |
| 227 | .name = "FLOAT", |
| 228 | .bit = FLOAT_CHARGER_BIT, |
| 229 | .pst = POWER_SUPPLY_TYPE_USB_FLOAT |
| 230 | }, |
| 231 | [HVDCP2] = { |
| 232 | .name = "HVDCP2", |
| 233 | .bit = DCP_CHARGER_BIT | QC_2P0_BIT, |
| 234 | .pst = POWER_SUPPLY_TYPE_USB_HVDCP |
| 235 | }, |
| 236 | [HVDCP3] = { |
| 237 | .name = "HVDCP3", |
| 238 | .bit = DCP_CHARGER_BIT | QC_3P0_BIT, |
| 239 | .pst = POWER_SUPPLY_TYPE_USB_HVDCP_3, |
| 240 | }, |
| 241 | }; |
| 242 | |
| 243 | static const struct apsd_result *smblib_get_apsd_result(struct smb_charger *chg) |
| 244 | { |
| 245 | int rc, i; |
| 246 | u8 apsd_stat, stat; |
| 247 | const struct apsd_result *result = &smblib_apsd_results[UNKNOWN]; |
| 248 | |
| 249 | rc = smblib_read(chg, APSD_STATUS_REG, &apsd_stat); |
| 250 | if (rc < 0) { |
| 251 | smblib_err(chg, "Couldn't read APSD_STATUS rc=%d\n", rc); |
| 252 | return result; |
| 253 | } |
| 254 | smblib_dbg(chg, PR_REGISTER, "APSD_STATUS = 0x%02x\n", apsd_stat); |
| 255 | |
| 256 | if (!(apsd_stat & APSD_DTC_STATUS_DONE_BIT)) |
| 257 | return result; |
| 258 | |
| 259 | rc = smblib_read(chg, APSD_RESULT_STATUS_REG, &stat); |
| 260 | if (rc < 0) { |
| 261 | smblib_err(chg, "Couldn't read APSD_RESULT_STATUS rc=%d\n", |
| 262 | rc); |
| 263 | return result; |
| 264 | } |
| 265 | stat &= APSD_RESULT_STATUS_MASK; |
| 266 | |
| 267 | for (i = 0; i < ARRAY_SIZE(smblib_apsd_results); i++) { |
| 268 | if (smblib_apsd_results[i].bit == stat) |
| 269 | result = &smblib_apsd_results[i]; |
| 270 | } |
| 271 | |
| 272 | if (apsd_stat & QC_CHARGER_BIT) { |
| 273 | /* since its a qc_charger, either return HVDCP3 or HVDCP2 */ |
| 274 | if (result != &smblib_apsd_results[HVDCP3]) |
| 275 | result = &smblib_apsd_results[HVDCP2]; |
| 276 | } |
| 277 | |
| 278 | return result; |
| 279 | } |
| 280 | |
| 281 | /******************** |
| 282 | * REGISTER SETTERS * |
| 283 | ********************/ |
| 284 | |
| 285 | int smblib_set_opt_switcher_freq(struct smb_charger *chg, int fsw_khz) |
| 286 | { |
| 287 | union power_supply_propval pval = {0, }; |
| 288 | int rc = 0; |
| 289 | |
| 290 | rc = smblib_set_charge_param(chg, &chg->param.freq_switcher, fsw_khz); |
| 291 | if (rc < 0) |
| 292 | dev_err(chg->dev, "Error in setting freq_buck rc=%d\n", rc); |
| 293 | |
| 294 | if (chg->mode == PARALLEL_MASTER && chg->pl.psy) { |
| 295 | pval.intval = fsw_khz; |
| 296 | /* |
| 297 | * Some parallel charging implementations may not have |
| 298 | * PROP_BUCK_FREQ property - they could be running |
| 299 | * with a fixed frequency |
| 300 | */ |
| 301 | power_supply_set_property(chg->pl.psy, |
| 302 | POWER_SUPPLY_PROP_BUCK_FREQ, &pval); |
| 303 | } |
| 304 | |
| 305 | return rc; |
| 306 | } |
| 307 | |
| 308 | int smblib_set_charge_param(struct smb_charger *chg, |
| 309 | struct smb_chg_param *param, int val_u) |
| 310 | { |
| 311 | int rc = 0; |
| 312 | u8 val_raw; |
| 313 | |
| 314 | if (param->set_proc) { |
| 315 | rc = param->set_proc(param, val_u, &val_raw); |
| 316 | if (rc < 0) |
| 317 | return -EINVAL; |
| 318 | } else { |
| 319 | if (val_u > param->max_u || val_u < param->min_u) { |
| 320 | smblib_err(chg, "%s: %d is out of range [%d, %d]\n", |
| 321 | param->name, val_u, param->min_u, param->max_u); |
| 322 | return -EINVAL; |
| 323 | } |
| 324 | |
| 325 | val_raw = (val_u - param->min_u) / param->step_u; |
| 326 | } |
| 327 | |
| 328 | rc = smblib_write(chg, param->reg, val_raw); |
| 329 | if (rc < 0) { |
| 330 | smblib_err(chg, "%s: Couldn't write 0x%02x to 0x%04x rc=%d\n", |
| 331 | param->name, val_raw, param->reg, rc); |
| 332 | return rc; |
| 333 | } |
| 334 | |
| 335 | smblib_dbg(chg, PR_REGISTER, "%s = %d (0x%02x)\n", |
| 336 | param->name, val_u, val_raw); |
| 337 | |
| 338 | return rc; |
| 339 | } |
| 340 | |
| 341 | int smblib_set_usb_suspend(struct smb_charger *chg, bool suspend) |
| 342 | { |
| 343 | int rc = 0; |
| 344 | int irq = chg->irq_info[USBIN_ICL_CHANGE_IRQ].irq; |
| 345 | |
| 346 | if (suspend && irq) { |
| 347 | if (chg->usb_icl_change_irq_enabled) { |
| 348 | disable_irq_nosync(irq); |
| 349 | chg->usb_icl_change_irq_enabled = false; |
| 350 | } |
| 351 | } |
| 352 | |
| 353 | rc = smblib_masked_write(chg, USBIN_CMD_IL_REG, USBIN_SUSPEND_BIT, |
| 354 | suspend ? USBIN_SUSPEND_BIT : 0); |
| 355 | if (rc < 0) |
| 356 | smblib_err(chg, "Couldn't write %s to USBIN_SUSPEND_BIT rc=%d\n", |
| 357 | suspend ? "suspend" : "resume", rc); |
| 358 | |
| 359 | if (!suspend && irq) { |
| 360 | if (!chg->usb_icl_change_irq_enabled) { |
| 361 | enable_irq(irq); |
| 362 | chg->usb_icl_change_irq_enabled = true; |
| 363 | } |
| 364 | } |
| 365 | |
| 366 | return rc; |
| 367 | } |
| 368 | |
| 369 | int smblib_set_dc_suspend(struct smb_charger *chg, bool suspend) |
| 370 | { |
| 371 | int rc = 0; |
| 372 | |
| 373 | rc = smblib_masked_write(chg, DCIN_CMD_IL_REG, DCIN_SUSPEND_BIT, |
| 374 | suspend ? DCIN_SUSPEND_BIT : 0); |
| 375 | if (rc < 0) |
| 376 | smblib_err(chg, "Couldn't write %s to DCIN_SUSPEND_BIT rc=%d\n", |
| 377 | suspend ? "suspend" : "resume", rc); |
| 378 | |
| 379 | return rc; |
| 380 | } |
| 381 | |
| 382 | static int smblib_set_adapter_allowance(struct smb_charger *chg, |
| 383 | u8 allowed_voltage) |
| 384 | { |
| 385 | int rc = 0; |
| 386 | |
| 387 | rc = smblib_write(chg, USBIN_ADAPTER_ALLOW_CFG_REG, allowed_voltage); |
| 388 | if (rc < 0) { |
| 389 | smblib_err(chg, "Couldn't write 0x%02x to USBIN_ADAPTER_ALLOW_CFG rc=%d\n", |
| 390 | allowed_voltage, rc); |
| 391 | return rc; |
| 392 | } |
| 393 | |
| 394 | return rc; |
| 395 | } |
| 396 | |
| 397 | #define MICRO_5V 5000000 |
| 398 | #define MICRO_9V 9000000 |
| 399 | #define MICRO_12V 12000000 |
| 400 | static int smblib_set_usb_pd_allowed_voltage(struct smb_charger *chg, |
| 401 | int min_allowed_uv, int max_allowed_uv) |
| 402 | { |
| 403 | int rc; |
| 404 | u8 allowed_voltage; |
| 405 | |
| 406 | if (min_allowed_uv == MICRO_5V && max_allowed_uv == MICRO_5V) { |
| 407 | allowed_voltage = USBIN_ADAPTER_ALLOW_5V; |
| 408 | smblib_set_opt_switcher_freq(chg, chg->chg_freq.freq_5V); |
| 409 | } else if (min_allowed_uv == MICRO_9V && max_allowed_uv == MICRO_9V) { |
| 410 | allowed_voltage = USBIN_ADAPTER_ALLOW_9V; |
| 411 | smblib_set_opt_switcher_freq(chg, chg->chg_freq.freq_9V); |
| 412 | } else if (min_allowed_uv == MICRO_12V && max_allowed_uv == MICRO_12V) { |
| 413 | allowed_voltage = USBIN_ADAPTER_ALLOW_12V; |
| 414 | smblib_set_opt_switcher_freq(chg, chg->chg_freq.freq_12V); |
| 415 | } else if (min_allowed_uv < MICRO_9V && max_allowed_uv <= MICRO_9V) { |
| 416 | allowed_voltage = USBIN_ADAPTER_ALLOW_5V_TO_9V; |
| 417 | } else if (min_allowed_uv < MICRO_9V && max_allowed_uv <= MICRO_12V) { |
| 418 | allowed_voltage = USBIN_ADAPTER_ALLOW_5V_TO_12V; |
| 419 | } else if (min_allowed_uv < MICRO_12V && max_allowed_uv <= MICRO_12V) { |
| 420 | allowed_voltage = USBIN_ADAPTER_ALLOW_9V_TO_12V; |
| 421 | } else { |
| 422 | smblib_err(chg, "invalid allowed voltage [%d, %d]\n", |
| 423 | min_allowed_uv, max_allowed_uv); |
| 424 | return -EINVAL; |
| 425 | } |
| 426 | |
| 427 | rc = smblib_set_adapter_allowance(chg, allowed_voltage); |
| 428 | if (rc < 0) { |
| 429 | smblib_err(chg, "Couldn't configure adapter allowance rc=%d\n", |
| 430 | rc); |
| 431 | return rc; |
| 432 | } |
| 433 | |
| 434 | return rc; |
| 435 | } |
| 436 | |
| 437 | /******************** |
| 438 | * HELPER FUNCTIONS * |
| 439 | ********************/ |
| 440 | static int smblib_request_dpdm(struct smb_charger *chg, bool enable) |
| 441 | { |
| 442 | int rc = 0; |
| 443 | |
| 444 | /* fetch the DPDM regulator */ |
| 445 | if (!chg->dpdm_reg && of_get_property(chg->dev->of_node, |
| 446 | "dpdm-supply", NULL)) { |
| 447 | chg->dpdm_reg = devm_regulator_get(chg->dev, "dpdm"); |
| 448 | if (IS_ERR(chg->dpdm_reg)) { |
| 449 | rc = PTR_ERR(chg->dpdm_reg); |
| 450 | smblib_err(chg, "Couldn't get dpdm regulator rc=%d\n", |
| 451 | rc); |
| 452 | chg->dpdm_reg = NULL; |
| 453 | return rc; |
| 454 | } |
| 455 | } |
| 456 | |
| 457 | if (enable) { |
| 458 | if (chg->dpdm_reg && !regulator_is_enabled(chg->dpdm_reg)) { |
| 459 | smblib_dbg(chg, PR_MISC, "enabling DPDM regulator\n"); |
| 460 | rc = regulator_enable(chg->dpdm_reg); |
| 461 | if (rc < 0) |
| 462 | smblib_err(chg, |
| 463 | "Couldn't enable dpdm regulator rc=%d\n", |
| 464 | rc); |
| 465 | } |
| 466 | } else { |
| 467 | if (chg->dpdm_reg && regulator_is_enabled(chg->dpdm_reg)) { |
| 468 | smblib_dbg(chg, PR_MISC, "disabling DPDM regulator\n"); |
| 469 | rc = regulator_disable(chg->dpdm_reg); |
| 470 | if (rc < 0) |
| 471 | smblib_err(chg, |
| 472 | "Couldn't disable dpdm regulator rc=%d\n", |
| 473 | rc); |
| 474 | } |
| 475 | } |
| 476 | |
| 477 | return rc; |
| 478 | } |
| 479 | |
| 480 | static void smblib_rerun_apsd(struct smb_charger *chg) |
| 481 | { |
| 482 | int rc; |
| 483 | |
| 484 | smblib_dbg(chg, PR_MISC, "re-running APSD\n"); |
| 485 | |
| 486 | rc = smblib_masked_write(chg, CMD_APSD_REG, |
| 487 | APSD_RERUN_BIT, APSD_RERUN_BIT); |
| 488 | if (rc < 0) |
| 489 | smblib_err(chg, "Couldn't re-run APSD rc=%d\n", rc); |
| 490 | } |
| 491 | |
| 492 | static const struct apsd_result *smblib_update_usb_type(struct smb_charger *chg) |
| 493 | { |
| 494 | const struct apsd_result *apsd_result = smblib_get_apsd_result(chg); |
| 495 | |
| 496 | /* if PD is active, APSD is disabled so won't have a valid result */ |
| 497 | if (chg->pd_active) { |
| 498 | chg->real_charger_type = POWER_SUPPLY_TYPE_USB_PD; |
| 499 | } else { |
| 500 | /* |
| 501 | * Update real charger type only if its not FLOAT |
| 502 | * detected as as SDP |
| 503 | */ |
| 504 | if (!(apsd_result->pst == POWER_SUPPLY_TYPE_USB_FLOAT && |
| 505 | chg->real_charger_type == POWER_SUPPLY_TYPE_USB)) |
| 506 | chg->real_charger_type = apsd_result->pst; |
| 507 | } |
| 508 | |
| 509 | smblib_dbg(chg, PR_MISC, "APSD=%s PD=%d\n", |
| 510 | apsd_result->name, chg->pd_active); |
| 511 | return apsd_result; |
| 512 | } |
| 513 | |
| 514 | static int smblib_notifier_call(struct notifier_block *nb, |
| 515 | unsigned long ev, void *v) |
| 516 | { |
| 517 | struct power_supply *psy = v; |
| 518 | struct smb_charger *chg = container_of(nb, struct smb_charger, nb); |
| 519 | |
| 520 | if (!strcmp(psy->desc->name, "bms")) { |
| 521 | if (!chg->bms_psy) |
| 522 | chg->bms_psy = psy; |
| 523 | if (ev == PSY_EVENT_PROP_CHANGED) |
| 524 | schedule_work(&chg->bms_update_work); |
| 525 | } |
| 526 | |
| 527 | if (!chg->pl.psy && !strcmp(psy->desc->name, "parallel")) { |
| 528 | chg->pl.psy = psy; |
| 529 | schedule_work(&chg->pl_update_work); |
| 530 | } |
| 531 | |
| 532 | return NOTIFY_OK; |
| 533 | } |
| 534 | |
| 535 | static int smblib_register_notifier(struct smb_charger *chg) |
| 536 | { |
| 537 | int rc; |
| 538 | |
| 539 | chg->nb.notifier_call = smblib_notifier_call; |
| 540 | rc = power_supply_reg_notifier(&chg->nb); |
| 541 | if (rc < 0) { |
| 542 | smblib_err(chg, "Couldn't register psy notifier rc = %d\n", rc); |
| 543 | return rc; |
| 544 | } |
| 545 | |
| 546 | return 0; |
| 547 | } |
| 548 | |
| 549 | int smblib_mapping_soc_from_field_value(struct smb_chg_param *param, |
| 550 | int val_u, u8 *val_raw) |
| 551 | { |
| 552 | if (val_u > param->max_u || val_u < param->min_u) |
| 553 | return -EINVAL; |
| 554 | |
| 555 | *val_raw = val_u << 1; |
| 556 | |
| 557 | return 0; |
| 558 | } |
| 559 | |
| 560 | int smblib_mapping_cc_delta_to_field_value(struct smb_chg_param *param, |
| 561 | u8 val_raw) |
| 562 | { |
| 563 | int val_u = val_raw * param->step_u + param->min_u; |
| 564 | |
| 565 | if (val_u > param->max_u) |
| 566 | val_u -= param->max_u * 2; |
| 567 | |
| 568 | return val_u; |
| 569 | } |
| 570 | |
| 571 | int smblib_mapping_cc_delta_from_field_value(struct smb_chg_param *param, |
| 572 | int val_u, u8 *val_raw) |
| 573 | { |
| 574 | if (val_u > param->max_u || val_u < param->min_u - param->max_u) |
| 575 | return -EINVAL; |
| 576 | |
| 577 | val_u += param->max_u * 2 - param->min_u; |
| 578 | val_u %= param->max_u * 2; |
| 579 | *val_raw = val_u / param->step_u; |
| 580 | |
| 581 | return 0; |
| 582 | } |
| 583 | |
| 584 | static void smblib_uusb_removal(struct smb_charger *chg) |
| 585 | { |
| 586 | int rc; |
| 587 | struct smb_irq_data *data; |
| 588 | struct storm_watch *wdata; |
| 589 | |
| 590 | cancel_delayed_work_sync(&chg->pl_enable_work); |
| 591 | |
| 592 | rc = smblib_request_dpdm(chg, false); |
| 593 | if (rc < 0) |
| 594 | smblib_err(chg, "Couldn't to disable DPDM rc=%d\n", rc); |
| 595 | |
| 596 | if (chg->wa_flags & BOOST_BACK_WA) { |
| 597 | data = chg->irq_info[SWITCHER_POWER_OK_IRQ].irq_data; |
| 598 | if (data) { |
| 599 | wdata = &data->storm_data; |
| 600 | update_storm_count(wdata, WEAK_CHG_STORM_COUNT); |
| 601 | vote(chg->usb_icl_votable, BOOST_BACK_VOTER, false, 0); |
| 602 | vote(chg->usb_icl_votable, WEAK_CHARGER_VOTER, |
| 603 | false, 0); |
| 604 | } |
| 605 | } |
| 606 | vote(chg->pl_disable_votable, PL_DELAY_VOTER, true, 0); |
| 607 | vote(chg->awake_votable, PL_DELAY_VOTER, false, 0); |
| 608 | |
| 609 | /* reset both usbin current and voltage votes */ |
| 610 | vote(chg->pl_enable_votable_indirect, USBIN_I_VOTER, false, 0); |
| 611 | vote(chg->pl_enable_votable_indirect, USBIN_V_VOTER, false, 0); |
| 612 | vote(chg->usb_icl_votable, SW_QC3_VOTER, false, 0); |
| 613 | |
| 614 | /* reconfigure allowed voltage for HVDCP */ |
| 615 | rc = smblib_set_adapter_allowance(chg, |
| 616 | USBIN_ADAPTER_ALLOW_5V_OR_9V_TO_12V); |
| 617 | if (rc < 0) |
| 618 | smblib_err(chg, "Couldn't set USBIN_ADAPTER_ALLOW_5V_OR_9V_TO_12V rc=%d\n", |
| 619 | rc); |
| 620 | |
| 621 | chg->voltage_min_uv = MICRO_5V; |
| 622 | chg->voltage_max_uv = MICRO_5V; |
| 623 | chg->usb_icl_delta_ua = 0; |
| 624 | chg->pulse_cnt = 0; |
| 625 | chg->uusb_apsd_rerun_done = false; |
| 626 | |
| 627 | /* clear USB ICL vote for USB_PSY_VOTER */ |
| 628 | rc = vote(chg->usb_icl_votable, USB_PSY_VOTER, false, 0); |
| 629 | if (rc < 0) |
| 630 | smblib_err(chg, "Couldn't un-vote for USB ICL rc=%d\n", rc); |
| 631 | |
| 632 | /* clear USB ICL vote for DCP_VOTER */ |
| 633 | rc = vote(chg->usb_icl_votable, DCP_VOTER, false, 0); |
| 634 | if (rc < 0) |
| 635 | smblib_err(chg, |
| 636 | "Couldn't un-vote DCP from USB ICL rc=%d\n", rc); |
| 637 | } |
| 638 | |
| 639 | void smblib_suspend_on_debug_battery(struct smb_charger *chg) |
| 640 | { |
| 641 | int rc; |
| 642 | union power_supply_propval val; |
| 643 | |
| 644 | if (!chg->suspend_input_on_debug_batt) |
| 645 | return; |
| 646 | |
| 647 | rc = power_supply_get_property(chg->bms_psy, |
| 648 | POWER_SUPPLY_PROP_DEBUG_BATTERY, &val); |
| 649 | if (rc < 0) { |
| 650 | smblib_err(chg, "Couldn't get debug battery prop rc=%d\n", rc); |
| 651 | return; |
| 652 | } |
| 653 | |
| 654 | vote(chg->usb_icl_votable, DEBUG_BOARD_VOTER, val.intval, 0); |
| 655 | vote(chg->dc_suspend_votable, DEBUG_BOARD_VOTER, val.intval, 0); |
| 656 | if (val.intval) |
| 657 | pr_info("Input suspended: Fake battery\n"); |
| 658 | } |
| 659 | |
| 660 | int smblib_rerun_apsd_if_required(struct smb_charger *chg) |
| 661 | { |
| 662 | union power_supply_propval val; |
| 663 | int rc; |
| 664 | |
| 665 | rc = smblib_get_prop_usb_present(chg, &val); |
| 666 | if (rc < 0) { |
| 667 | smblib_err(chg, "Couldn't get usb present rc = %d\n", rc); |
| 668 | return rc; |
| 669 | } |
| 670 | |
| 671 | if (!val.intval) |
| 672 | return 0; |
| 673 | |
| 674 | rc = smblib_request_dpdm(chg, true); |
| 675 | if (rc < 0) |
| 676 | smblib_err(chg, "Couldn't to enable DPDM rc=%d\n", rc); |
| 677 | |
| 678 | chg->uusb_apsd_rerun_done = true; |
| 679 | smblib_rerun_apsd(chg); |
| 680 | |
| 681 | return 0; |
| 682 | } |
| 683 | |
| 684 | static int smblib_get_pulse_cnt(struct smb_charger *chg, int *count) |
| 685 | { |
| 686 | *count = chg->pulse_cnt; |
| 687 | return 0; |
| 688 | } |
| 689 | |
| 690 | #define USBIN_25MA 25000 |
| 691 | #define USBIN_100MA 100000 |
| 692 | #define USBIN_150MA 150000 |
| 693 | #define USBIN_500MA 500000 |
| 694 | #define USBIN_900MA 900000 |
| 695 | static int set_sdp_current(struct smb_charger *chg, int icl_ua) |
| 696 | { |
| 697 | int rc; |
| 698 | u8 icl_options; |
| 699 | const struct apsd_result *apsd_result = smblib_get_apsd_result(chg); |
| 700 | |
| 701 | /* power source is SDP */ |
| 702 | switch (icl_ua) { |
| 703 | case USBIN_100MA: |
| 704 | /* USB 2.0 100mA */ |
| 705 | icl_options = 0; |
| 706 | break; |
| 707 | case USBIN_150MA: |
| 708 | /* USB 3.0 150mA */ |
| 709 | icl_options = CFG_USB3P0_SEL_BIT; |
| 710 | break; |
| 711 | case USBIN_500MA: |
| 712 | /* USB 2.0 500mA */ |
| 713 | icl_options = USB51_MODE_BIT; |
| 714 | break; |
| 715 | case USBIN_900MA: |
| 716 | /* USB 3.0 900mA */ |
| 717 | icl_options = CFG_USB3P0_SEL_BIT | USB51_MODE_BIT; |
| 718 | break; |
| 719 | default: |
| 720 | smblib_err(chg, "ICL %duA isn't supported for SDP\n", icl_ua); |
| 721 | return -EINVAL; |
| 722 | } |
| 723 | |
| 724 | if (chg->real_charger_type == POWER_SUPPLY_TYPE_USB && |
| 725 | apsd_result->pst == POWER_SUPPLY_TYPE_USB_FLOAT) { |
| 726 | /* |
| 727 | * change the float charger configuration to SDP, if this |
| 728 | * is the case of SDP being detected as FLOAT |
| 729 | */ |
| 730 | rc = smblib_masked_write(chg, USBIN_OPTIONS_2_CFG_REG, |
| 731 | FORCE_FLOAT_SDP_CFG_BIT, FORCE_FLOAT_SDP_CFG_BIT); |
| 732 | if (rc < 0) { |
| 733 | smblib_err(chg, "Couldn't set float ICL options rc=%d\n", |
| 734 | rc); |
| 735 | return rc; |
| 736 | } |
| 737 | } |
| 738 | |
| 739 | rc = smblib_masked_write(chg, USBIN_ICL_OPTIONS_REG, |
| 740 | CFG_USB3P0_SEL_BIT | USB51_MODE_BIT, icl_options); |
| 741 | if (rc < 0) { |
| 742 | smblib_err(chg, "Couldn't set ICL options rc=%d\n", rc); |
| 743 | return rc; |
| 744 | } |
| 745 | |
| 746 | return rc; |
| 747 | } |
| 748 | |
| 749 | static int get_sdp_current(struct smb_charger *chg, int *icl_ua) |
| 750 | { |
| 751 | int rc; |
| 752 | u8 icl_options; |
| 753 | bool usb3 = false; |
| 754 | |
| 755 | rc = smblib_read(chg, USBIN_ICL_OPTIONS_REG, &icl_options); |
| 756 | if (rc < 0) { |
| 757 | smblib_err(chg, "Couldn't get ICL options rc=%d\n", rc); |
| 758 | return rc; |
| 759 | } |
| 760 | |
| 761 | usb3 = (icl_options & CFG_USB3P0_SEL_BIT); |
| 762 | |
| 763 | if (icl_options & USB51_MODE_BIT) |
| 764 | *icl_ua = usb3 ? USBIN_900MA : USBIN_500MA; |
| 765 | else |
| 766 | *icl_ua = usb3 ? USBIN_150MA : USBIN_100MA; |
| 767 | |
| 768 | return rc; |
| 769 | } |
| 770 | |
| 771 | int smblib_set_icl_current(struct smb_charger *chg, int icl_ua) |
| 772 | { |
| 773 | int rc = 0; |
| 774 | bool override; |
| 775 | |
| 776 | /* suspend and return if 25mA or less is requested */ |
| 777 | if (icl_ua <= USBIN_25MA) |
| 778 | return smblib_set_usb_suspend(chg, true); |
| 779 | |
| 780 | if (icl_ua == INT_MAX) |
| 781 | goto override_suspend_config; |
| 782 | |
| 783 | /* configure current */ |
| 784 | if (chg->typec_mode == POWER_SUPPLY_TYPEC_SOURCE_DEFAULT |
| 785 | && (chg->real_charger_type == POWER_SUPPLY_TYPE_USB)) { |
| 786 | rc = set_sdp_current(chg, icl_ua); |
| 787 | if (rc < 0) { |
| 788 | smblib_err(chg, "Couldn't set SDP ICL rc=%d\n", rc); |
| 789 | goto enable_icl_changed_interrupt; |
| 790 | } |
| 791 | } else { |
| 792 | set_sdp_current(chg, 100000); |
| 793 | rc = smblib_set_charge_param(chg, &chg->param.usb_icl, icl_ua); |
| 794 | if (rc < 0) { |
| 795 | smblib_err(chg, "Couldn't set HC ICL rc=%d\n", rc); |
| 796 | goto enable_icl_changed_interrupt; |
| 797 | } |
| 798 | } |
| 799 | |
| 800 | override_suspend_config: |
| 801 | /* determine if override needs to be enforced */ |
| 802 | override = true; |
| 803 | if (icl_ua == INT_MAX) { |
| 804 | /* remove override if no voters - hw defaults is desired */ |
| 805 | override = false; |
| 806 | } else if (chg->typec_mode == POWER_SUPPLY_TYPEC_SOURCE_DEFAULT) { |
| 807 | if (chg->real_charger_type == POWER_SUPPLY_TYPE_USB) |
| 808 | /* For std cable with type = SDP never override */ |
| 809 | override = false; |
| 810 | else if (chg->real_charger_type == POWER_SUPPLY_TYPE_USB_CDP |
| 811 | && icl_ua == 1500000) |
| 812 | /* |
| 813 | * For std cable with type = CDP override only if |
| 814 | * current is not 1500mA |
| 815 | */ |
| 816 | override = false; |
| 817 | } |
| 818 | |
| 819 | /* enforce override */ |
| 820 | rc = smblib_masked_write(chg, USBIN_ICL_OPTIONS_REG, |
| 821 | USBIN_MODE_CHG_BIT, override ? USBIN_MODE_CHG_BIT : 0); |
| 822 | |
| 823 | rc = smblib_icl_override(chg, override); |
| 824 | if (rc < 0) { |
| 825 | smblib_err(chg, "Couldn't set ICL override rc=%d\n", rc); |
| 826 | goto enable_icl_changed_interrupt; |
| 827 | } |
| 828 | |
| 829 | /* unsuspend after configuring current and override */ |
| 830 | rc = smblib_set_usb_suspend(chg, false); |
| 831 | if (rc < 0) { |
| 832 | smblib_err(chg, "Couldn't resume input rc=%d\n", rc); |
| 833 | goto enable_icl_changed_interrupt; |
| 834 | } |
| 835 | |
| 836 | enable_icl_changed_interrupt: |
| 837 | return rc; |
| 838 | } |
| 839 | |
| 840 | int smblib_get_icl_current(struct smb_charger *chg, int *icl_ua) |
| 841 | { |
| 842 | int rc = 0; |
| 843 | u8 load_cfg; |
| 844 | bool override; |
| 845 | |
| 846 | if ((chg->typec_mode == POWER_SUPPLY_TYPEC_SOURCE_DEFAULT |
| 847 | || chg->micro_usb_mode) |
| 848 | && (chg->usb_psy->desc->type == POWER_SUPPLY_TYPE_USB)) { |
| 849 | rc = get_sdp_current(chg, icl_ua); |
| 850 | if (rc < 0) { |
| 851 | smblib_err(chg, "Couldn't get SDP ICL rc=%d\n", rc); |
| 852 | return rc; |
| 853 | } |
| 854 | } else { |
| 855 | rc = smblib_read(chg, USBIN_LOAD_CFG_REG, &load_cfg); |
| 856 | if (rc < 0) { |
| 857 | smblib_err(chg, "Couldn't get load cfg rc=%d\n", rc); |
| 858 | return rc; |
| 859 | } |
| 860 | override = load_cfg & ICL_OVERRIDE_AFTER_APSD_BIT; |
| 861 | if (!override) |
| 862 | return INT_MAX; |
| 863 | |
| 864 | /* override is set */ |
| 865 | rc = smblib_get_charge_param(chg, &chg->param.usb_icl, icl_ua); |
| 866 | if (rc < 0) { |
| 867 | smblib_err(chg, "Couldn't get HC ICL rc=%d\n", rc); |
| 868 | return rc; |
| 869 | } |
| 870 | } |
| 871 | |
| 872 | return 0; |
| 873 | } |
| 874 | |
| 875 | /********************* |
| 876 | * VOTABLE CALLBACKS * |
| 877 | *********************/ |
| 878 | |
| 879 | static int smblib_dc_suspend_vote_callback(struct votable *votable, void *data, |
| 880 | int suspend, const char *client) |
| 881 | { |
| 882 | struct smb_charger *chg = data; |
| 883 | |
| 884 | /* resume input if suspend is invalid */ |
| 885 | if (suspend < 0) |
| 886 | suspend = 0; |
| 887 | |
| 888 | return smblib_set_dc_suspend(chg, (bool)suspend); |
| 889 | } |
| 890 | |
| 891 | static int smblib_pd_disallowed_votable_indirect_callback( |
| 892 | struct votable *votable, void *data, int disallowed, const char *client) |
| 893 | { |
| 894 | struct smb_charger *chg = data; |
| 895 | int rc; |
| 896 | |
| 897 | rc = vote(chg->pd_allowed_votable, PD_DISALLOWED_INDIRECT_VOTER, |
| 898 | !disallowed, 0); |
| 899 | |
| 900 | return rc; |
| 901 | } |
| 902 | |
| 903 | static int smblib_awake_vote_callback(struct votable *votable, void *data, |
| 904 | int awake, const char *client) |
| 905 | { |
| 906 | struct smb_charger *chg = data; |
| 907 | |
| 908 | if (awake) |
| 909 | pm_stay_awake(chg->dev); |
| 910 | else |
| 911 | pm_relax(chg->dev); |
| 912 | |
| 913 | return 0; |
| 914 | } |
| 915 | |
| 916 | static int smblib_chg_disable_vote_callback(struct votable *votable, void *data, |
| 917 | int chg_disable, const char *client) |
| 918 | { |
| 919 | struct smb_charger *chg = data; |
| 920 | int rc; |
| 921 | |
| 922 | rc = smblib_masked_write(chg, CHARGING_ENABLE_CMD_REG, |
| 923 | CHARGING_ENABLE_CMD_BIT, |
| 924 | chg_disable ? 0 : CHARGING_ENABLE_CMD_BIT); |
| 925 | if (rc < 0) { |
| 926 | smblib_err(chg, "Couldn't %s charging rc=%d\n", |
| 927 | chg_disable ? "disable" : "enable", rc); |
| 928 | return rc; |
| 929 | } |
| 930 | |
| 931 | return 0; |
| 932 | } |
| 933 | |
| 934 | static int smblib_usb_irq_enable_vote_callback(struct votable *votable, |
| 935 | void *data, int enable, const char *client) |
| 936 | { |
| 937 | struct smb_charger *chg = data; |
| 938 | |
| 939 | if (!chg->irq_info[INPUT_CURRENT_LIMITING_IRQ].irq || |
| 940 | !chg->irq_info[HIGH_DUTY_CYCLE_IRQ].irq) |
| 941 | return 0; |
| 942 | |
| 943 | if (enable) { |
| 944 | enable_irq(chg->irq_info[INPUT_CURRENT_LIMITING_IRQ].irq); |
| 945 | enable_irq(chg->irq_info[HIGH_DUTY_CYCLE_IRQ].irq); |
| 946 | } else { |
| 947 | disable_irq_nosync( |
| 948 | chg->irq_info[INPUT_CURRENT_LIMITING_IRQ].irq); |
| 949 | disable_irq_nosync(chg->irq_info[HIGH_DUTY_CYCLE_IRQ].irq); |
| 950 | } |
| 951 | |
| 952 | return 0; |
| 953 | } |
| 954 | |
| 955 | /******************* |
| 956 | * VCONN REGULATOR * |
| 957 | * *****************/ |
| 958 | |
| 959 | int smblib_vconn_regulator_enable(struct regulator_dev *rdev) |
| 960 | { |
| 961 | struct smb_charger *chg = rdev_get_drvdata(rdev); |
| 962 | int rc = 0; |
| 963 | |
| 964 | smblib_dbg(chg, PR_OTG, "enabling VCONN\n"); |
| 965 | |
| 966 | rc = smblib_masked_write(chg, TYPE_C_VCONN_CONTROL_REG, |
| 967 | VCONN_EN_VALUE_BIT, VCONN_EN_VALUE_BIT); |
| 968 | if (rc < 0) { |
| 969 | smblib_err(chg, "Couldn't enable vconn setting rc=%d\n", rc); |
| 970 | return rc; |
| 971 | } |
| 972 | |
| 973 | return 0; |
| 974 | } |
| 975 | |
| 976 | int smblib_vconn_regulator_disable(struct regulator_dev *rdev) |
| 977 | { |
| 978 | struct smb_charger *chg = rdev_get_drvdata(rdev); |
| 979 | int rc = 0; |
| 980 | |
| 981 | smblib_dbg(chg, PR_OTG, "disabling VCONN\n"); |
| 982 | rc = smblib_masked_write(chg, TYPE_C_VCONN_CONTROL_REG, |
| 983 | VCONN_EN_VALUE_BIT, 0); |
| 984 | if (rc < 0) |
| 985 | smblib_err(chg, "Couldn't disable vconn regulator rc=%d\n", rc); |
| 986 | |
| 987 | return 0; |
| 988 | } |
| 989 | |
| 990 | int smblib_vconn_regulator_is_enabled(struct regulator_dev *rdev) |
| 991 | { |
| 992 | struct smb_charger *chg = rdev_get_drvdata(rdev); |
| 993 | int rc; |
| 994 | u8 cmd; |
| 995 | |
| 996 | rc = smblib_read(chg, TYPE_C_VCONN_CONTROL_REG, &cmd); |
| 997 | if (rc < 0) { |
| 998 | smblib_err(chg, "Couldn't read TYPE_C_INTRPT_ENB_SOFTWARE_CTRL rc=%d\n", |
| 999 | rc); |
| 1000 | return rc; |
| 1001 | } |
| 1002 | |
| 1003 | return (cmd & VCONN_EN_VALUE_BIT) ? 1 : 0; |
| 1004 | } |
| 1005 | |
| 1006 | /***************** |
| 1007 | * OTG REGULATOR * |
| 1008 | *****************/ |
| 1009 | |
| 1010 | int smblib_vbus_regulator_enable(struct regulator_dev *rdev) |
| 1011 | { |
| 1012 | struct smb_charger *chg = rdev_get_drvdata(rdev); |
| 1013 | int rc; |
| 1014 | |
| 1015 | smblib_dbg(chg, PR_OTG, "enabling OTG\n"); |
| 1016 | |
| 1017 | rc = smblib_masked_write(chg, DCDC_CMD_OTG_REG, OTG_EN_BIT, OTG_EN_BIT); |
| 1018 | if (rc < 0) { |
| 1019 | smblib_err(chg, "Couldn't enable OTG rc=%d\n", rc); |
| 1020 | return rc; |
| 1021 | } |
| 1022 | |
| 1023 | return 0; |
| 1024 | } |
| 1025 | |
| 1026 | int smblib_vbus_regulator_disable(struct regulator_dev *rdev) |
| 1027 | { |
| 1028 | struct smb_charger *chg = rdev_get_drvdata(rdev); |
| 1029 | int rc; |
| 1030 | |
| 1031 | smblib_dbg(chg, PR_OTG, "disabling OTG\n"); |
| 1032 | |
| 1033 | rc = smblib_masked_write(chg, DCDC_CMD_OTG_REG, OTG_EN_BIT, 0); |
| 1034 | if (rc < 0) { |
| 1035 | smblib_err(chg, "Couldn't disable OTG regulator rc=%d\n", rc); |
| 1036 | return rc; |
| 1037 | } |
| 1038 | |
| 1039 | return 0; |
| 1040 | } |
| 1041 | |
| 1042 | int smblib_vbus_regulator_is_enabled(struct regulator_dev *rdev) |
| 1043 | { |
| 1044 | struct smb_charger *chg = rdev_get_drvdata(rdev); |
| 1045 | int rc = 0; |
| 1046 | u8 cmd; |
| 1047 | |
| 1048 | rc = smblib_read(chg, DCDC_CMD_OTG_REG, &cmd); |
| 1049 | if (rc < 0) { |
| 1050 | smblib_err(chg, "Couldn't read CMD_OTG rc=%d", rc); |
| 1051 | return rc; |
| 1052 | } |
| 1053 | |
| 1054 | return (cmd & OTG_EN_BIT) ? 1 : 0; |
| 1055 | } |
| 1056 | |
| 1057 | /******************** |
| 1058 | * BATT PSY GETTERS * |
| 1059 | ********************/ |
| 1060 | |
| 1061 | int smblib_get_prop_input_suspend(struct smb_charger *chg, |
| 1062 | union power_supply_propval *val) |
| 1063 | { |
| 1064 | val->intval |
| 1065 | = (get_client_vote(chg->usb_icl_votable, USER_VOTER) == 0) |
| 1066 | && get_client_vote(chg->dc_suspend_votable, USER_VOTER); |
| 1067 | return 0; |
| 1068 | } |
| 1069 | |
| 1070 | int smblib_get_prop_batt_present(struct smb_charger *chg, |
| 1071 | union power_supply_propval *val) |
| 1072 | { |
| 1073 | int rc; |
| 1074 | u8 stat; |
| 1075 | |
| 1076 | rc = smblib_read(chg, BATIF_BASE + INT_RT_STS_OFFSET, &stat); |
| 1077 | if (rc < 0) { |
| 1078 | smblib_err(chg, "Couldn't read BATIF_INT_RT_STS rc=%d\n", rc); |
| 1079 | return rc; |
| 1080 | } |
| 1081 | |
| 1082 | val->intval = !(stat & (BAT_THERM_OR_ID_MISSING_RT_STS_BIT |
| 1083 | | BAT_TERMINAL_MISSING_RT_STS_BIT)); |
| 1084 | |
| 1085 | return rc; |
| 1086 | } |
| 1087 | |
| 1088 | int smblib_get_prop_batt_capacity(struct smb_charger *chg, |
| 1089 | union power_supply_propval *val) |
| 1090 | { |
| 1091 | int rc = -EINVAL; |
| 1092 | |
| 1093 | if (chg->fake_capacity >= 0) { |
| 1094 | val->intval = chg->fake_capacity; |
| 1095 | return 0; |
| 1096 | } |
| 1097 | |
| 1098 | if (chg->bms_psy) |
| 1099 | rc = power_supply_get_property(chg->bms_psy, |
| 1100 | POWER_SUPPLY_PROP_CAPACITY, val); |
| 1101 | return rc; |
| 1102 | } |
| 1103 | |
| 1104 | int smblib_get_prop_batt_status(struct smb_charger *chg, |
| 1105 | union power_supply_propval *val) |
| 1106 | { |
| 1107 | union power_supply_propval pval = {0, }; |
| 1108 | bool usb_online, dc_online; |
| 1109 | u8 stat; |
| 1110 | int rc; |
| 1111 | |
| 1112 | rc = smblib_get_prop_usb_online(chg, &pval); |
| 1113 | if (rc < 0) { |
| 1114 | smblib_err(chg, "Couldn't get usb online property rc=%d\n", |
| 1115 | rc); |
| 1116 | return rc; |
| 1117 | } |
| 1118 | usb_online = (bool)pval.intval; |
| 1119 | |
| 1120 | rc = smblib_get_prop_dc_online(chg, &pval); |
| 1121 | if (rc < 0) { |
| 1122 | smblib_err(chg, "Couldn't get dc online property rc=%d\n", |
| 1123 | rc); |
| 1124 | return rc; |
| 1125 | } |
| 1126 | dc_online = (bool)pval.intval; |
| 1127 | |
| 1128 | rc = smblib_read(chg, BATTERY_CHARGER_STATUS_1_REG, &stat); |
| 1129 | if (rc < 0) { |
| 1130 | smblib_err(chg, "Couldn't read BATTERY_CHARGER_STATUS_1 rc=%d\n", |
| 1131 | rc); |
| 1132 | return rc; |
| 1133 | } |
| 1134 | stat = stat & BATTERY_CHARGER_STATUS_MASK; |
| 1135 | |
| 1136 | if (!usb_online && !dc_online) { |
| 1137 | switch (stat) { |
| 1138 | case TERMINATE_CHARGE: |
| 1139 | case INHIBIT_CHARGE: |
| 1140 | val->intval = POWER_SUPPLY_STATUS_FULL; |
| 1141 | break; |
| 1142 | default: |
| 1143 | val->intval = POWER_SUPPLY_STATUS_DISCHARGING; |
| 1144 | break; |
| 1145 | } |
| 1146 | return rc; |
| 1147 | } |
| 1148 | |
| 1149 | switch (stat) { |
| 1150 | case TRICKLE_CHARGE: |
| 1151 | case PRE_CHARGE: |
| 1152 | case FULLON_CHARGE: |
| 1153 | case TAPER_CHARGE: |
| 1154 | val->intval = POWER_SUPPLY_STATUS_CHARGING; |
| 1155 | break; |
| 1156 | case TERMINATE_CHARGE: |
| 1157 | case INHIBIT_CHARGE: |
| 1158 | val->intval = POWER_SUPPLY_STATUS_FULL; |
| 1159 | break; |
| 1160 | case DISABLE_CHARGE: |
| 1161 | val->intval = POWER_SUPPLY_STATUS_NOT_CHARGING; |
| 1162 | break; |
| 1163 | default: |
| 1164 | val->intval = POWER_SUPPLY_STATUS_UNKNOWN; |
| 1165 | break; |
| 1166 | } |
| 1167 | |
| 1168 | if (val->intval != POWER_SUPPLY_STATUS_CHARGING) |
| 1169 | return 0; |
| 1170 | |
| 1171 | if (!usb_online && dc_online |
| 1172 | && chg->fake_batt_status == POWER_SUPPLY_STATUS_FULL) { |
| 1173 | val->intval = POWER_SUPPLY_STATUS_FULL; |
| 1174 | return 0; |
| 1175 | } |
| 1176 | |
| 1177 | rc = smblib_read(chg, BATTERY_CHARGER_STATUS_5_REG, &stat); |
| 1178 | if (rc < 0) { |
| 1179 | smblib_err(chg, "Couldn't read BATTERY_CHARGER_STATUS_2 rc=%d\n", |
| 1180 | rc); |
| 1181 | return rc; |
| 1182 | } |
| 1183 | |
| 1184 | stat &= ENABLE_TRICKLE_BIT | ENABLE_PRE_CHARGING_BIT | |
| 1185 | ENABLE_FULLON_MODE_BIT; |
| 1186 | |
| 1187 | if (!stat) |
| 1188 | val->intval = POWER_SUPPLY_STATUS_NOT_CHARGING; |
| 1189 | |
| 1190 | return 0; |
| 1191 | } |
| 1192 | |
| 1193 | int smblib_get_prop_batt_charge_type(struct smb_charger *chg, |
| 1194 | union power_supply_propval *val) |
| 1195 | { |
| 1196 | int rc; |
| 1197 | u8 stat; |
| 1198 | |
| 1199 | rc = smblib_read(chg, BATTERY_CHARGER_STATUS_1_REG, &stat); |
| 1200 | if (rc < 0) { |
| 1201 | smblib_err(chg, "Couldn't read BATTERY_CHARGER_STATUS_1 rc=%d\n", |
| 1202 | rc); |
| 1203 | return rc; |
| 1204 | } |
| 1205 | |
| 1206 | switch (stat & BATTERY_CHARGER_STATUS_MASK) { |
| 1207 | case TRICKLE_CHARGE: |
| 1208 | case PRE_CHARGE: |
| 1209 | val->intval = POWER_SUPPLY_CHARGE_TYPE_TRICKLE; |
| 1210 | break; |
| 1211 | case FULLON_CHARGE: |
| 1212 | val->intval = POWER_SUPPLY_CHARGE_TYPE_FAST; |
| 1213 | break; |
| 1214 | case TAPER_CHARGE: |
| 1215 | val->intval = POWER_SUPPLY_CHARGE_TYPE_TAPER; |
| 1216 | break; |
| 1217 | default: |
| 1218 | val->intval = POWER_SUPPLY_CHARGE_TYPE_NONE; |
| 1219 | } |
| 1220 | |
| 1221 | return rc; |
| 1222 | } |
| 1223 | |
| 1224 | int smblib_get_prop_batt_health(struct smb_charger *chg, |
| 1225 | union power_supply_propval *val) |
| 1226 | { |
| 1227 | union power_supply_propval pval; |
| 1228 | int rc; |
| 1229 | int effective_fv_uv; |
| 1230 | u8 stat; |
| 1231 | |
| 1232 | rc = smblib_read(chg, BATTERY_CHARGER_STATUS_2_REG, &stat); |
| 1233 | if (rc < 0) { |
| 1234 | smblib_err(chg, "Couldn't read BATTERY_CHARGER_STATUS_2 rc=%d\n", |
| 1235 | rc); |
| 1236 | return rc; |
| 1237 | } |
| 1238 | smblib_dbg(chg, PR_REGISTER, "BATTERY_CHARGER_STATUS_2 = 0x%02x\n", |
| 1239 | stat); |
| 1240 | |
| 1241 | if (stat & CHARGER_ERROR_STATUS_BAT_OV_BIT) { |
| 1242 | rc = smblib_get_prop_batt_voltage_now(chg, &pval); |
| 1243 | if (!rc) { |
| 1244 | /* |
| 1245 | * If Vbatt is within 40mV above Vfloat, then don't |
| 1246 | * treat it as overvoltage. |
| 1247 | */ |
| 1248 | effective_fv_uv = get_effective_result(chg->fv_votable); |
| 1249 | if (pval.intval >= effective_fv_uv + 40000) { |
| 1250 | val->intval = POWER_SUPPLY_HEALTH_OVERVOLTAGE; |
| 1251 | smblib_err(chg, "battery over-voltage vbat_fg = %duV, fv = %duV\n", |
| 1252 | pval.intval, effective_fv_uv); |
| 1253 | goto done; |
| 1254 | } |
| 1255 | } |
| 1256 | } |
| 1257 | |
| 1258 | rc = smblib_read(chg, BATTERY_CHARGER_STATUS_7_REG, &stat); |
| 1259 | if (rc < 0) { |
| 1260 | smblib_err(chg, "Couldn't read BATTERY_CHARGER_STATUS_2 rc=%d\n", |
| 1261 | rc); |
| 1262 | return rc; |
| 1263 | } |
| 1264 | if (stat & BAT_TEMP_STATUS_TOO_COLD_BIT) |
| 1265 | val->intval = POWER_SUPPLY_HEALTH_COLD; |
| 1266 | else if (stat & BAT_TEMP_STATUS_TOO_HOT_BIT) |
| 1267 | val->intval = POWER_SUPPLY_HEALTH_OVERHEAT; |
| 1268 | else if (stat & BAT_TEMP_STATUS_COLD_SOFT_BIT) |
| 1269 | val->intval = POWER_SUPPLY_HEALTH_COOL; |
| 1270 | else if (stat & BAT_TEMP_STATUS_HOT_SOFT_BIT) |
| 1271 | val->intval = POWER_SUPPLY_HEALTH_WARM; |
| 1272 | else |
| 1273 | val->intval = POWER_SUPPLY_HEALTH_GOOD; |
| 1274 | |
| 1275 | done: |
| 1276 | return rc; |
| 1277 | } |
| 1278 | |
| 1279 | int smblib_get_prop_system_temp_level(struct smb_charger *chg, |
| 1280 | union power_supply_propval *val) |
| 1281 | { |
| 1282 | val->intval = chg->system_temp_level; |
| 1283 | return 0; |
| 1284 | } |
| 1285 | |
| 1286 | int smblib_get_prop_system_temp_level_max(struct smb_charger *chg, |
| 1287 | union power_supply_propval *val) |
| 1288 | { |
| 1289 | val->intval = chg->thermal_levels; |
| 1290 | return 0; |
| 1291 | } |
| 1292 | |
| 1293 | int smblib_get_prop_input_current_limited(struct smb_charger *chg, |
| 1294 | union power_supply_propval *val) |
| 1295 | { |
| 1296 | u8 stat; |
| 1297 | int rc; |
| 1298 | |
| 1299 | if (chg->fake_input_current_limited >= 0) { |
| 1300 | val->intval = chg->fake_input_current_limited; |
| 1301 | return 0; |
| 1302 | } |
| 1303 | |
| 1304 | rc = smblib_read(chg, AICL_STATUS_REG, &stat); |
| 1305 | if (rc < 0) { |
| 1306 | smblib_err(chg, "Couldn't read AICL_STATUS rc=%d\n", rc); |
| 1307 | return rc; |
| 1308 | } |
| 1309 | val->intval = (stat & SOFT_ILIMIT_BIT) || chg->is_hdc; |
| 1310 | return 0; |
| 1311 | } |
| 1312 | |
| 1313 | int smblib_get_prop_batt_voltage_now(struct smb_charger *chg, |
| 1314 | union power_supply_propval *val) |
| 1315 | { |
| 1316 | int rc; |
| 1317 | |
| 1318 | if (!chg->bms_psy) |
| 1319 | return -EINVAL; |
| 1320 | |
| 1321 | rc = power_supply_get_property(chg->bms_psy, |
| 1322 | POWER_SUPPLY_PROP_VOLTAGE_NOW, val); |
| 1323 | return rc; |
| 1324 | } |
| 1325 | |
| 1326 | int smblib_get_prop_batt_current_now(struct smb_charger *chg, |
| 1327 | union power_supply_propval *val) |
| 1328 | { |
| 1329 | int rc; |
| 1330 | |
| 1331 | if (!chg->bms_psy) |
| 1332 | return -EINVAL; |
| 1333 | |
| 1334 | rc = power_supply_get_property(chg->bms_psy, |
| 1335 | POWER_SUPPLY_PROP_CURRENT_NOW, val); |
| 1336 | return rc; |
| 1337 | } |
| 1338 | |
| 1339 | int smblib_get_prop_batt_temp(struct smb_charger *chg, |
| 1340 | union power_supply_propval *val) |
| 1341 | { |
| 1342 | int rc; |
| 1343 | |
| 1344 | if (!chg->bms_psy) |
| 1345 | return -EINVAL; |
| 1346 | |
| 1347 | rc = power_supply_get_property(chg->bms_psy, |
| 1348 | POWER_SUPPLY_PROP_TEMP, val); |
| 1349 | return rc; |
| 1350 | } |
| 1351 | |
| 1352 | int smblib_get_prop_batt_charge_done(struct smb_charger *chg, |
| 1353 | union power_supply_propval *val) |
| 1354 | { |
| 1355 | int rc; |
| 1356 | u8 stat; |
| 1357 | |
| 1358 | rc = smblib_read(chg, BATTERY_CHARGER_STATUS_1_REG, &stat); |
| 1359 | if (rc < 0) { |
| 1360 | smblib_err(chg, "Couldn't read BATTERY_CHARGER_STATUS_1 rc=%d\n", |
| 1361 | rc); |
| 1362 | return rc; |
| 1363 | } |
| 1364 | |
| 1365 | stat = stat & BATTERY_CHARGER_STATUS_MASK; |
| 1366 | val->intval = (stat == TERMINATE_CHARGE); |
| 1367 | return 0; |
| 1368 | } |
| 1369 | |
| 1370 | int smblib_get_prop_batt_charge_counter(struct smb_charger *chg, |
| 1371 | union power_supply_propval *val) |
| 1372 | { |
| 1373 | int rc; |
| 1374 | |
| 1375 | if (!chg->bms_psy) |
| 1376 | return -EINVAL; |
| 1377 | |
| 1378 | rc = power_supply_get_property(chg->bms_psy, |
| 1379 | POWER_SUPPLY_PROP_CHARGE_COUNTER, val); |
| 1380 | return rc; |
| 1381 | } |
| 1382 | |
| 1383 | /*********************** |
| 1384 | * BATTERY PSY SETTERS * |
| 1385 | ***********************/ |
| 1386 | |
| 1387 | int smblib_set_prop_input_suspend(struct smb_charger *chg, |
| 1388 | const union power_supply_propval *val) |
| 1389 | { |
| 1390 | int rc; |
| 1391 | |
| 1392 | /* vote 0mA when suspended */ |
| 1393 | rc = vote(chg->usb_icl_votable, USER_VOTER, (bool)val->intval, 0); |
| 1394 | if (rc < 0) { |
| 1395 | smblib_err(chg, "Couldn't vote to %s USB rc=%d\n", |
| 1396 | (bool)val->intval ? "suspend" : "resume", rc); |
| 1397 | return rc; |
| 1398 | } |
| 1399 | |
| 1400 | rc = vote(chg->dc_suspend_votable, USER_VOTER, (bool)val->intval, 0); |
| 1401 | if (rc < 0) { |
| 1402 | smblib_err(chg, "Couldn't vote to %s DC rc=%d\n", |
| 1403 | (bool)val->intval ? "suspend" : "resume", rc); |
| 1404 | return rc; |
| 1405 | } |
| 1406 | |
| 1407 | power_supply_changed(chg->batt_psy); |
| 1408 | return rc; |
| 1409 | } |
| 1410 | |
| 1411 | int smblib_set_prop_batt_capacity(struct smb_charger *chg, |
| 1412 | const union power_supply_propval *val) |
| 1413 | { |
| 1414 | chg->fake_capacity = val->intval; |
| 1415 | |
| 1416 | power_supply_changed(chg->batt_psy); |
| 1417 | |
| 1418 | return 0; |
| 1419 | } |
| 1420 | |
| 1421 | int smblib_set_prop_batt_status(struct smb_charger *chg, |
| 1422 | const union power_supply_propval *val) |
| 1423 | { |
| 1424 | /* Faking battery full */ |
| 1425 | if (val->intval == POWER_SUPPLY_STATUS_FULL) |
| 1426 | chg->fake_batt_status = val->intval; |
| 1427 | else |
| 1428 | chg->fake_batt_status = -EINVAL; |
| 1429 | |
| 1430 | power_supply_changed(chg->batt_psy); |
| 1431 | |
| 1432 | return 0; |
| 1433 | } |
| 1434 | |
| 1435 | int smblib_set_prop_system_temp_level(struct smb_charger *chg, |
| 1436 | const union power_supply_propval *val) |
| 1437 | { |
| 1438 | if (val->intval < 0) |
| 1439 | return -EINVAL; |
| 1440 | |
| 1441 | if (chg->thermal_levels <= 0) |
| 1442 | return -EINVAL; |
| 1443 | |
| 1444 | if (val->intval > chg->thermal_levels) |
| 1445 | return -EINVAL; |
| 1446 | |
| 1447 | chg->system_temp_level = val->intval; |
| 1448 | /* disable parallel charge in case of system temp level */ |
| 1449 | vote(chg->pl_disable_votable, THERMAL_DAEMON_VOTER, |
| 1450 | chg->system_temp_level ? true : false, 0); |
| 1451 | |
| 1452 | if (chg->system_temp_level == chg->thermal_levels) |
| 1453 | return vote(chg->chg_disable_votable, |
| 1454 | THERMAL_DAEMON_VOTER, true, 0); |
| 1455 | |
| 1456 | vote(chg->chg_disable_votable, THERMAL_DAEMON_VOTER, false, 0); |
| 1457 | if (chg->system_temp_level == 0) |
| 1458 | return vote(chg->fcc_votable, THERMAL_DAEMON_VOTER, false, 0); |
| 1459 | |
| 1460 | vote(chg->fcc_votable, THERMAL_DAEMON_VOTER, true, |
| 1461 | chg->thermal_mitigation[chg->system_temp_level]); |
| 1462 | return 0; |
| 1463 | } |
| 1464 | |
| 1465 | int smblib_set_prop_input_current_limited(struct smb_charger *chg, |
| 1466 | const union power_supply_propval *val) |
| 1467 | { |
| 1468 | chg->fake_input_current_limited = val->intval; |
| 1469 | return 0; |
| 1470 | } |
| 1471 | |
| 1472 | int smblib_rerun_aicl(struct smb_charger *chg) |
| 1473 | { |
| 1474 | int rc; |
| 1475 | u8 stat; |
| 1476 | |
| 1477 | rc = smblib_read(chg, POWER_PATH_STATUS_REG, &stat); |
| 1478 | if (rc < 0) { |
| 1479 | smblib_err(chg, "Couldn't read POWER_PATH_STATUS rc=%d\n", |
| 1480 | rc); |
| 1481 | return rc; |
| 1482 | } |
| 1483 | |
| 1484 | /* USB is suspended so skip re-running AICL */ |
| 1485 | if (stat & USBIN_SUSPEND_STS_BIT) |
| 1486 | return rc; |
| 1487 | |
| 1488 | smblib_dbg(chg, PR_MISC, "re-running AICL\n"); |
| 1489 | |
| 1490 | rc = smblib_masked_write(chg, AICL_CMD_REG, RERUN_AICL_BIT, |
| 1491 | RERUN_AICL_BIT); |
| 1492 | if (rc < 0) |
| 1493 | smblib_err(chg, "Couldn't write to AICL_CMD_REG rc=%d\n", |
| 1494 | rc); |
| 1495 | return 0; |
| 1496 | } |
| 1497 | |
| 1498 | static int smblib_dp_pulse(struct smb_charger *chg) |
| 1499 | { |
| 1500 | int rc; |
| 1501 | |
| 1502 | /* QC 3.0 increment */ |
| 1503 | rc = smblib_masked_write(chg, CMD_HVDCP_2_REG, SINGLE_INCREMENT_BIT, |
| 1504 | SINGLE_INCREMENT_BIT); |
| 1505 | if (rc < 0) |
| 1506 | smblib_err(chg, "Couldn't write to CMD_HVDCP_2_REG rc=%d\n", |
| 1507 | rc); |
| 1508 | |
| 1509 | return rc; |
| 1510 | } |
| 1511 | |
| 1512 | static int smblib_dm_pulse(struct smb_charger *chg) |
| 1513 | { |
| 1514 | int rc; |
| 1515 | |
| 1516 | /* QC 3.0 decrement */ |
| 1517 | rc = smblib_masked_write(chg, CMD_HVDCP_2_REG, SINGLE_DECREMENT_BIT, |
| 1518 | SINGLE_DECREMENT_BIT); |
| 1519 | if (rc < 0) |
| 1520 | smblib_err(chg, "Couldn't write to CMD_HVDCP_2_REG rc=%d\n", |
| 1521 | rc); |
| 1522 | |
| 1523 | return rc; |
| 1524 | } |
| 1525 | |
| 1526 | int smblib_dp_dm(struct smb_charger *chg, int val) |
| 1527 | { |
| 1528 | int target_icl_ua, rc = 0; |
| 1529 | union power_supply_propval pval; |
| 1530 | |
| 1531 | switch (val) { |
| 1532 | case POWER_SUPPLY_DP_DM_DP_PULSE: |
| 1533 | rc = smblib_dp_pulse(chg); |
| 1534 | if (!rc) |
| 1535 | chg->pulse_cnt++; |
| 1536 | smblib_dbg(chg, PR_PARALLEL, "DP_DM_DP_PULSE rc=%d cnt=%d\n", |
| 1537 | rc, chg->pulse_cnt); |
| 1538 | break; |
| 1539 | case POWER_SUPPLY_DP_DM_DM_PULSE: |
| 1540 | rc = smblib_dm_pulse(chg); |
| 1541 | if (!rc && chg->pulse_cnt) |
| 1542 | chg->pulse_cnt--; |
| 1543 | smblib_dbg(chg, PR_PARALLEL, "DP_DM_DM_PULSE rc=%d cnt=%d\n", |
| 1544 | rc, chg->pulse_cnt); |
| 1545 | break; |
| 1546 | case POWER_SUPPLY_DP_DM_ICL_DOWN: |
| 1547 | target_icl_ua = get_effective_result(chg->usb_icl_votable); |
| 1548 | if (target_icl_ua < 0) { |
| 1549 | /* no client vote, get the ICL from charger */ |
| 1550 | rc = power_supply_get_property(chg->usb_psy, |
| 1551 | POWER_SUPPLY_PROP_HW_CURRENT_MAX, |
| 1552 | &pval); |
| 1553 | if (rc < 0) { |
| 1554 | smblib_err(chg, "Couldn't get max curr rc=%d\n", |
| 1555 | rc); |
| 1556 | return rc; |
| 1557 | } |
| 1558 | target_icl_ua = pval.intval; |
| 1559 | } |
| 1560 | |
| 1561 | /* |
| 1562 | * Check if any other voter voted on USB_ICL in case of |
| 1563 | * voter other than SW_QC3_VOTER reset and restart reduction |
| 1564 | * again. |
| 1565 | */ |
| 1566 | if (target_icl_ua != get_client_vote(chg->usb_icl_votable, |
| 1567 | SW_QC3_VOTER)) |
| 1568 | chg->usb_icl_delta_ua = 0; |
| 1569 | |
| 1570 | chg->usb_icl_delta_ua += 100000; |
| 1571 | vote(chg->usb_icl_votable, SW_QC3_VOTER, true, |
| 1572 | target_icl_ua - 100000); |
| 1573 | smblib_dbg(chg, PR_PARALLEL, "ICL DOWN ICL=%d reduction=%d\n", |
| 1574 | target_icl_ua, chg->usb_icl_delta_ua); |
| 1575 | break; |
| 1576 | case POWER_SUPPLY_DP_DM_ICL_UP: |
| 1577 | default: |
| 1578 | break; |
| 1579 | } |
| 1580 | |
| 1581 | return rc; |
| 1582 | } |
| 1583 | |
| 1584 | int smblib_disable_hw_jeita(struct smb_charger *chg, bool disable) |
| 1585 | { |
| 1586 | int rc; |
| 1587 | u8 mask; |
| 1588 | |
| 1589 | /* |
| 1590 | * Disable h/w base JEITA compensation if s/w JEITA is enabled |
| 1591 | */ |
| 1592 | mask = JEITA_EN_COLD_SL_FCV_BIT |
| 1593 | | JEITA_EN_HOT_SL_FCV_BIT |
| 1594 | | JEITA_EN_HOT_SL_CCC_BIT |
| 1595 | | JEITA_EN_COLD_SL_CCC_BIT, |
| 1596 | rc = smblib_masked_write(chg, JEITA_EN_CFG_REG, mask, |
| 1597 | disable ? 0 : mask); |
| 1598 | if (rc < 0) { |
| 1599 | dev_err(chg->dev, "Couldn't configure s/w jeita rc=%d\n", |
| 1600 | rc); |
| 1601 | return rc; |
| 1602 | } |
| 1603 | return 0; |
| 1604 | } |
| 1605 | |
| 1606 | /******************* |
| 1607 | * DC PSY GETTERS * |
| 1608 | *******************/ |
| 1609 | |
| 1610 | int smblib_get_prop_dc_present(struct smb_charger *chg, |
| 1611 | union power_supply_propval *val) |
| 1612 | { |
| 1613 | int rc; |
| 1614 | u8 stat; |
| 1615 | |
| 1616 | rc = smblib_read(chg, DCIN_BASE + INT_RT_STS_OFFSET, &stat); |
| 1617 | if (rc < 0) { |
| 1618 | smblib_err(chg, "Couldn't read DCIN_RT_STS rc=%d\n", rc); |
| 1619 | return rc; |
| 1620 | } |
| 1621 | |
| 1622 | val->intval = (bool)(stat & DCIN_PLUGIN_RT_STS_BIT); |
| 1623 | return 0; |
| 1624 | } |
| 1625 | |
| 1626 | int smblib_get_prop_dc_online(struct smb_charger *chg, |
| 1627 | union power_supply_propval *val) |
| 1628 | { |
| 1629 | int rc = 0; |
| 1630 | u8 stat; |
| 1631 | |
| 1632 | if (get_client_vote(chg->dc_suspend_votable, USER_VOTER)) { |
| 1633 | val->intval = false; |
| 1634 | return rc; |
| 1635 | } |
| 1636 | |
| 1637 | rc = smblib_read(chg, POWER_PATH_STATUS_REG, &stat); |
| 1638 | if (rc < 0) { |
| 1639 | smblib_err(chg, "Couldn't read POWER_PATH_STATUS rc=%d\n", |
| 1640 | rc); |
| 1641 | return rc; |
| 1642 | } |
| 1643 | smblib_dbg(chg, PR_REGISTER, "POWER_PATH_STATUS = 0x%02x\n", |
| 1644 | stat); |
| 1645 | |
| 1646 | val->intval = (stat & USE_DCIN_BIT) && |
| 1647 | (stat & VALID_INPUT_POWER_SOURCE_STS_BIT); |
| 1648 | |
| 1649 | return rc; |
| 1650 | } |
| 1651 | |
| 1652 | /******************* |
| 1653 | * USB PSY GETTERS * |
| 1654 | *******************/ |
| 1655 | |
| 1656 | int smblib_get_prop_usb_present(struct smb_charger *chg, |
| 1657 | union power_supply_propval *val) |
| 1658 | { |
| 1659 | int rc; |
| 1660 | u8 stat; |
| 1661 | |
| 1662 | rc = smblib_read(chg, USBIN_BASE + INT_RT_STS_OFFSET, &stat); |
| 1663 | if (rc < 0) { |
| 1664 | smblib_err(chg, "Couldn't read USBIN_RT_STS rc=%d\n", rc); |
| 1665 | return rc; |
| 1666 | } |
| 1667 | |
| 1668 | val->intval = (bool)(stat & USBIN_PLUGIN_RT_STS_BIT); |
| 1669 | return 0; |
| 1670 | } |
| 1671 | |
| 1672 | int smblib_get_prop_usb_online(struct smb_charger *chg, |
| 1673 | union power_supply_propval *val) |
| 1674 | { |
| 1675 | int rc = 0; |
| 1676 | u8 stat; |
| 1677 | |
| 1678 | if (get_client_vote_locked(chg->usb_icl_votable, USER_VOTER) == 0) { |
| 1679 | val->intval = false; |
| 1680 | return rc; |
| 1681 | } |
| 1682 | |
| 1683 | rc = smblib_read(chg, POWER_PATH_STATUS_REG, &stat); |
| 1684 | if (rc < 0) { |
| 1685 | smblib_err(chg, "Couldn't read POWER_PATH_STATUS rc=%d\n", |
| 1686 | rc); |
| 1687 | return rc; |
| 1688 | } |
| 1689 | smblib_dbg(chg, PR_REGISTER, "POWER_PATH_STATUS = 0x%02x\n", |
| 1690 | stat); |
| 1691 | |
| 1692 | val->intval = (stat & USE_USBIN_BIT) && |
| 1693 | (stat & VALID_INPUT_POWER_SOURCE_STS_BIT); |
| 1694 | return rc; |
| 1695 | } |
| 1696 | |
| 1697 | int smblib_get_prop_usb_voltage_max(struct smb_charger *chg, |
| 1698 | union power_supply_propval *val) |
| 1699 | { |
| 1700 | switch (chg->real_charger_type) { |
| 1701 | case POWER_SUPPLY_TYPE_USB_HVDCP: |
| 1702 | case POWER_SUPPLY_TYPE_USB_PD: |
| 1703 | val->intval = MICRO_12V; |
| 1704 | default: |
| 1705 | val->intval = MICRO_5V; |
| 1706 | break; |
| 1707 | } |
| 1708 | |
| 1709 | return 0; |
| 1710 | } |
| 1711 | |
| 1712 | int smblib_get_prop_typec_cc_orientation(struct smb_charger *chg, |
| 1713 | union power_supply_propval *val) |
| 1714 | { |
| 1715 | int rc = 0; |
| 1716 | u8 stat; |
| 1717 | |
| 1718 | rc = smblib_read(chg, TYPE_C_MISC_STATUS_REG, &stat); |
| 1719 | if (rc < 0) { |
| 1720 | smblib_err(chg, "Couldn't read TYPE_C_STATUS_4 rc=%d\n", rc); |
| 1721 | return rc; |
| 1722 | } |
| 1723 | smblib_dbg(chg, PR_REGISTER, "TYPE_C_STATUS_4 = 0x%02x\n", stat); |
| 1724 | |
| 1725 | if (stat & CC_ATTACHED_BIT) |
| 1726 | val->intval = (bool)(stat & CC_ORIENTATION_BIT) + 1; |
| 1727 | else |
| 1728 | val->intval = 0; |
| 1729 | |
| 1730 | return rc; |
| 1731 | } |
| 1732 | |
| 1733 | static const char * const smblib_typec_mode_name[] = { |
| 1734 | [POWER_SUPPLY_TYPEC_NONE] = "NONE", |
| 1735 | [POWER_SUPPLY_TYPEC_SOURCE_DEFAULT] = "SOURCE_DEFAULT", |
| 1736 | [POWER_SUPPLY_TYPEC_SOURCE_MEDIUM] = "SOURCE_MEDIUM", |
| 1737 | [POWER_SUPPLY_TYPEC_SOURCE_HIGH] = "SOURCE_HIGH", |
| 1738 | [POWER_SUPPLY_TYPEC_NON_COMPLIANT] = "NON_COMPLIANT", |
| 1739 | [POWER_SUPPLY_TYPEC_SINK] = "SINK", |
| 1740 | [POWER_SUPPLY_TYPEC_SINK_POWERED_CABLE] = "SINK_POWERED_CABLE", |
| 1741 | [POWER_SUPPLY_TYPEC_SINK_DEBUG_ACCESSORY] = "SINK_DEBUG_ACCESSORY", |
| 1742 | [POWER_SUPPLY_TYPEC_SINK_AUDIO_ADAPTER] = "SINK_AUDIO_ADAPTER", |
| 1743 | [POWER_SUPPLY_TYPEC_POWERED_CABLE_ONLY] = "POWERED_CABLE_ONLY", |
| 1744 | }; |
| 1745 | |
| 1746 | static int smblib_get_prop_ufp_mode(struct smb_charger *chg) |
| 1747 | { |
| 1748 | int rc; |
| 1749 | u8 stat; |
| 1750 | |
| 1751 | rc = smblib_read(chg, TYPE_C_SNK_STATUS_REG, &stat); |
| 1752 | if (rc < 0) { |
| 1753 | smblib_err(chg, "Couldn't read TYPE_C_STATUS_1 rc=%d\n", rc); |
| 1754 | return POWER_SUPPLY_TYPEC_NONE; |
| 1755 | } |
| 1756 | smblib_dbg(chg, PR_REGISTER, "TYPE_C_STATUS_1 = 0x%02x\n", stat); |
| 1757 | |
| 1758 | switch (stat & DETECTED_SRC_TYPE_MASK) { |
| 1759 | case SNK_RP_STD_BIT: |
| 1760 | return POWER_SUPPLY_TYPEC_SOURCE_DEFAULT; |
| 1761 | case SNK_RP_1P5_BIT: |
| 1762 | return POWER_SUPPLY_TYPEC_SOURCE_MEDIUM; |
| 1763 | case SNK_RP_3P0_BIT: |
| 1764 | return POWER_SUPPLY_TYPEC_SOURCE_HIGH; |
| 1765 | default: |
| 1766 | break; |
| 1767 | } |
| 1768 | |
| 1769 | return POWER_SUPPLY_TYPEC_NONE; |
| 1770 | } |
| 1771 | |
| 1772 | static int smblib_get_prop_dfp_mode(struct smb_charger *chg) |
| 1773 | { |
| 1774 | int rc; |
| 1775 | u8 stat; |
| 1776 | |
| 1777 | rc = smblib_read(chg, TYPE_C_SRC_STATUS_REG, &stat); |
| 1778 | if (rc < 0) { |
| 1779 | smblib_err(chg, "Couldn't read TYPE_C_SRC_STATUS_REG rc=%d\n", |
| 1780 | rc); |
| 1781 | return POWER_SUPPLY_TYPEC_NONE; |
| 1782 | } |
| 1783 | smblib_dbg(chg, PR_REGISTER, "TYPE_C_SRC_STATUS_REG = 0x%02x\n", stat); |
| 1784 | |
| 1785 | switch (stat & DETECTED_SNK_TYPE_MASK) { |
| 1786 | case AUDIO_ACCESS_RA_RA_BIT: |
| 1787 | return POWER_SUPPLY_TYPEC_SINK_AUDIO_ADAPTER; |
| 1788 | case SRC_DEBUG_ACCESS_BIT: |
| 1789 | return POWER_SUPPLY_TYPEC_SINK_DEBUG_ACCESSORY; |
| 1790 | case SRC_RD_RA_VCONN_BIT: |
| 1791 | return POWER_SUPPLY_TYPEC_SINK_POWERED_CABLE; |
| 1792 | case SRC_RD_OPEN_BIT: |
| 1793 | return POWER_SUPPLY_TYPEC_SINK; |
| 1794 | default: |
| 1795 | break; |
| 1796 | } |
| 1797 | |
| 1798 | return POWER_SUPPLY_TYPEC_NONE; |
| 1799 | } |
| 1800 | |
| 1801 | static int smblib_get_prop_typec_mode(struct smb_charger *chg) |
| 1802 | { |
| 1803 | int rc; |
| 1804 | u8 stat; |
| 1805 | |
| 1806 | rc = smblib_read(chg, TYPE_C_MISC_STATUS_REG, &stat); |
| 1807 | if (rc < 0) { |
| 1808 | smblib_err(chg, "Couldn't read TYPE_C_MISC_STATUS_REG rc=%d\n", |
| 1809 | rc); |
| 1810 | return 0; |
| 1811 | } |
| 1812 | smblib_dbg(chg, PR_REGISTER, "TYPE_C_MISC_STATUS_REG = 0x%02x\n", stat); |
| 1813 | |
| 1814 | if (stat & SNK_SRC_MODE_BIT) |
| 1815 | return smblib_get_prop_dfp_mode(chg); |
| 1816 | else |
| 1817 | return smblib_get_prop_ufp_mode(chg); |
| 1818 | } |
| 1819 | |
| 1820 | int smblib_get_prop_typec_power_role(struct smb_charger *chg, |
| 1821 | union power_supply_propval *val) |
| 1822 | { |
| 1823 | int rc = 0; |
| 1824 | u8 ctrl; |
| 1825 | |
| 1826 | rc = smblib_read(chg, TYPE_C_MODE_CFG_REG, &ctrl); |
| 1827 | if (rc < 0) { |
| 1828 | smblib_err(chg, "Couldn't read TYPE_C_MODE_CFG_REG rc=%d\n", |
| 1829 | rc); |
| 1830 | return rc; |
| 1831 | } |
| 1832 | smblib_dbg(chg, PR_REGISTER, "TYPE_C_MODE_CFG_REG = 0x%02x\n", |
| 1833 | ctrl); |
| 1834 | |
| 1835 | if (ctrl & TYPEC_DISABLE_CMD_BIT) { |
| 1836 | val->intval = POWER_SUPPLY_TYPEC_PR_NONE; |
| 1837 | return rc; |
| 1838 | } |
| 1839 | |
| 1840 | switch (ctrl & (EN_SRC_ONLY_BIT | EN_SNK_ONLY_BIT)) { |
| 1841 | case 0: |
| 1842 | val->intval = POWER_SUPPLY_TYPEC_PR_DUAL; |
| 1843 | break; |
| 1844 | case EN_SRC_ONLY_BIT: |
| 1845 | val->intval = POWER_SUPPLY_TYPEC_PR_SOURCE; |
| 1846 | break; |
| 1847 | case EN_SNK_ONLY_BIT: |
| 1848 | val->intval = POWER_SUPPLY_TYPEC_PR_SINK; |
| 1849 | break; |
| 1850 | default: |
| 1851 | val->intval = POWER_SUPPLY_TYPEC_PR_NONE; |
| 1852 | smblib_err(chg, "unsupported power role 0x%02lx\n", |
| 1853 | ctrl & (EN_SRC_ONLY_BIT | EN_SNK_ONLY_BIT)); |
| 1854 | return -EINVAL; |
| 1855 | } |
| 1856 | |
| 1857 | return rc; |
| 1858 | } |
| 1859 | |
| 1860 | int smblib_get_prop_pd_allowed(struct smb_charger *chg, |
| 1861 | union power_supply_propval *val) |
| 1862 | { |
| 1863 | val->intval = get_effective_result(chg->pd_allowed_votable); |
| 1864 | return 0; |
| 1865 | } |
| 1866 | |
| 1867 | int smblib_get_prop_input_current_settled(struct smb_charger *chg, |
| 1868 | union power_supply_propval *val) |
| 1869 | { |
| 1870 | return smblib_get_charge_param(chg, &chg->param.icl_stat, &val->intval); |
| 1871 | } |
| 1872 | |
| 1873 | #define HVDCP3_STEP_UV 200000 |
| 1874 | int smblib_get_prop_input_voltage_settled(struct smb_charger *chg, |
| 1875 | union power_supply_propval *val) |
| 1876 | { |
| 1877 | int rc, pulses; |
| 1878 | |
| 1879 | switch (chg->real_charger_type) { |
| 1880 | case POWER_SUPPLY_TYPE_USB_HVDCP_3: |
| 1881 | rc = smblib_get_pulse_cnt(chg, &pulses); |
| 1882 | if (rc < 0) { |
| 1883 | smblib_err(chg, |
| 1884 | "Couldn't read QC_PULSE_COUNT rc=%d\n", rc); |
| 1885 | return 0; |
| 1886 | } |
| 1887 | val->intval = MICRO_5V + HVDCP3_STEP_UV * pulses; |
| 1888 | break; |
| 1889 | case POWER_SUPPLY_TYPE_USB_PD: |
| 1890 | val->intval = chg->voltage_min_uv; |
| 1891 | break; |
| 1892 | default: |
| 1893 | val->intval = MICRO_5V; |
| 1894 | break; |
| 1895 | } |
| 1896 | |
| 1897 | return 0; |
| 1898 | } |
| 1899 | |
| 1900 | int smblib_get_prop_pd_in_hard_reset(struct smb_charger *chg, |
| 1901 | union power_supply_propval *val) |
| 1902 | { |
| 1903 | val->intval = chg->pd_hard_reset; |
| 1904 | return 0; |
| 1905 | } |
| 1906 | |
| 1907 | int smblib_get_pe_start(struct smb_charger *chg, |
| 1908 | union power_supply_propval *val) |
| 1909 | { |
| 1910 | /* |
| 1911 | * hvdcp timeout voter is the last one to allow pd. Use its vote |
| 1912 | * to indicate start of pe engine |
| 1913 | */ |
| 1914 | val->intval |
| 1915 | = !get_client_vote_locked(chg->pd_disallowed_votable_indirect, |
| 1916 | APSD_VOTER); |
| 1917 | return 0; |
| 1918 | } |
| 1919 | |
| 1920 | int smblib_get_prop_die_health(struct smb_charger *chg, |
| 1921 | union power_supply_propval *val) |
| 1922 | { |
| 1923 | int rc; |
| 1924 | u8 stat; |
| 1925 | |
| 1926 | rc = smblib_read(chg, TEMP_RANGE_STATUS_REG, &stat); |
| 1927 | if (rc < 0) { |
| 1928 | smblib_err(chg, "Couldn't read TEMP_RANGE_STATUS_REG rc=%d\n", |
| 1929 | rc); |
| 1930 | return rc; |
| 1931 | } |
| 1932 | |
| 1933 | /* TEMP_RANGE bits are mutually exclusive */ |
| 1934 | switch (stat & TEMP_RANGE_MASK) { |
| 1935 | case TEMP_BELOW_RANGE_BIT: |
| 1936 | val->intval = POWER_SUPPLY_HEALTH_COOL; |
| 1937 | break; |
| 1938 | case TEMP_WITHIN_RANGE_BIT: |
| 1939 | val->intval = POWER_SUPPLY_HEALTH_WARM; |
| 1940 | break; |
| 1941 | case TEMP_ABOVE_RANGE_BIT: |
| 1942 | val->intval = POWER_SUPPLY_HEALTH_HOT; |
| 1943 | break; |
| 1944 | case ALERT_LEVEL_BIT: |
| 1945 | val->intval = POWER_SUPPLY_HEALTH_OVERHEAT; |
| 1946 | break; |
| 1947 | default: |
| 1948 | val->intval = POWER_SUPPLY_HEALTH_UNKNOWN; |
| 1949 | } |
| 1950 | |
| 1951 | return 0; |
| 1952 | } |
| 1953 | |
| 1954 | #define SDP_CURRENT_UA 500000 |
| 1955 | #define CDP_CURRENT_UA 1500000 |
| 1956 | #define DCP_CURRENT_UA 1500000 |
| 1957 | #define HVDCP_CURRENT_UA 3000000 |
| 1958 | #define TYPEC_DEFAULT_CURRENT_UA 900000 |
| 1959 | #define TYPEC_MEDIUM_CURRENT_UA 1500000 |
| 1960 | #define TYPEC_HIGH_CURRENT_UA 3000000 |
| 1961 | static int get_rp_based_dcp_current(struct smb_charger *chg, int typec_mode) |
| 1962 | { |
| 1963 | int rp_ua; |
| 1964 | |
| 1965 | switch (typec_mode) { |
| 1966 | case POWER_SUPPLY_TYPEC_SOURCE_HIGH: |
| 1967 | rp_ua = TYPEC_HIGH_CURRENT_UA; |
| 1968 | break; |
| 1969 | case POWER_SUPPLY_TYPEC_SOURCE_MEDIUM: |
| 1970 | case POWER_SUPPLY_TYPEC_SOURCE_DEFAULT: |
| 1971 | /* fall through */ |
| 1972 | default: |
| 1973 | rp_ua = DCP_CURRENT_UA; |
| 1974 | } |
| 1975 | |
| 1976 | return rp_ua; |
| 1977 | } |
| 1978 | |
| 1979 | /******************* |
| 1980 | * USB PSY SETTERS * |
| 1981 | * *****************/ |
| 1982 | |
| 1983 | int smblib_set_prop_pd_current_max(struct smb_charger *chg, |
| 1984 | const union power_supply_propval *val) |
| 1985 | { |
| 1986 | int rc; |
| 1987 | |
| 1988 | if (chg->pd_active) |
| 1989 | rc = vote(chg->usb_icl_votable, PD_VOTER, true, val->intval); |
| 1990 | else |
| 1991 | rc = -EPERM; |
| 1992 | |
| 1993 | return rc; |
| 1994 | } |
| 1995 | |
| 1996 | static int smblib_handle_usb_current(struct smb_charger *chg, |
| 1997 | int usb_current) |
| 1998 | { |
| 1999 | int rc = 0, rp_ua, typec_mode; |
| 2000 | |
| 2001 | if (chg->real_charger_type == POWER_SUPPLY_TYPE_USB_FLOAT) { |
| 2002 | if (usb_current == -ETIMEDOUT) { |
| 2003 | /* |
| 2004 | * Valid FLOAT charger, report the current based |
| 2005 | * of Rp |
| 2006 | */ |
| 2007 | typec_mode = smblib_get_prop_typec_mode(chg); |
| 2008 | rp_ua = get_rp_based_dcp_current(chg, typec_mode); |
| 2009 | rc = vote(chg->usb_icl_votable, LEGACY_UNKNOWN_VOTER, |
| 2010 | true, rp_ua); |
| 2011 | if (rc < 0) |
| 2012 | return rc; |
| 2013 | } else { |
| 2014 | /* |
| 2015 | * FLOAT charger detected as SDP by USB driver, |
| 2016 | * charge with the requested current and update the |
| 2017 | * real_charger_type |
| 2018 | */ |
| 2019 | chg->real_charger_type = POWER_SUPPLY_TYPE_USB; |
| 2020 | rc = vote(chg->usb_icl_votable, USB_PSY_VOTER, |
| 2021 | true, usb_current); |
| 2022 | if (rc < 0) |
| 2023 | return rc; |
| 2024 | rc = vote(chg->usb_icl_votable, LEGACY_UNKNOWN_VOTER, |
| 2025 | false, 0); |
| 2026 | if (rc < 0) |
| 2027 | return rc; |
| 2028 | } |
| 2029 | } else { |
| 2030 | rc = vote(chg->usb_icl_votable, USB_PSY_VOTER, |
| 2031 | true, usb_current); |
| 2032 | } |
| 2033 | |
| 2034 | return rc; |
| 2035 | } |
| 2036 | |
| 2037 | int smblib_set_prop_sdp_current_max(struct smb_charger *chg, |
| 2038 | const union power_supply_propval *val) |
| 2039 | { |
| 2040 | int rc = 0; |
| 2041 | |
| 2042 | if (!chg->pd_active) { |
| 2043 | rc = smblib_handle_usb_current(chg, val->intval); |
| 2044 | } else if (chg->system_suspend_supported) { |
| 2045 | if (val->intval <= USBIN_25MA) |
| 2046 | rc = vote(chg->usb_icl_votable, |
| 2047 | PD_SUSPEND_SUPPORTED_VOTER, true, val->intval); |
| 2048 | else |
| 2049 | rc = vote(chg->usb_icl_votable, |
| 2050 | PD_SUSPEND_SUPPORTED_VOTER, false, 0); |
| 2051 | } |
| 2052 | return rc; |
| 2053 | } |
| 2054 | |
| 2055 | int smblib_set_prop_boost_current(struct smb_charger *chg, |
| 2056 | const union power_supply_propval *val) |
| 2057 | { |
| 2058 | int rc = 0; |
| 2059 | |
| 2060 | rc = smblib_set_charge_param(chg, &chg->param.freq_switcher, |
| 2061 | val->intval <= chg->boost_threshold_ua ? |
| 2062 | chg->chg_freq.freq_below_otg_threshold : |
| 2063 | chg->chg_freq.freq_above_otg_threshold); |
| 2064 | if (rc < 0) { |
| 2065 | dev_err(chg->dev, "Error in setting freq_boost rc=%d\n", rc); |
| 2066 | return rc; |
| 2067 | } |
| 2068 | |
| 2069 | chg->boost_current_ua = val->intval; |
| 2070 | return rc; |
| 2071 | } |
| 2072 | |
| 2073 | int smblib_set_prop_typec_power_role(struct smb_charger *chg, |
| 2074 | const union power_supply_propval *val) |
| 2075 | { |
| 2076 | int rc = 0; |
| 2077 | u8 power_role; |
| 2078 | |
| 2079 | switch (val->intval) { |
| 2080 | case POWER_SUPPLY_TYPEC_PR_NONE: |
| 2081 | power_role = TYPEC_DISABLE_CMD_BIT; |
| 2082 | break; |
| 2083 | case POWER_SUPPLY_TYPEC_PR_DUAL: |
| 2084 | power_role = 0; |
| 2085 | break; |
| 2086 | case POWER_SUPPLY_TYPEC_PR_SINK: |
| 2087 | power_role = EN_SNK_ONLY_BIT; |
| 2088 | break; |
| 2089 | case POWER_SUPPLY_TYPEC_PR_SOURCE: |
| 2090 | power_role = EN_SRC_ONLY_BIT; |
| 2091 | break; |
| 2092 | default: |
| 2093 | smblib_err(chg, "power role %d not supported\n", val->intval); |
| 2094 | return -EINVAL; |
| 2095 | } |
| 2096 | |
| 2097 | rc = smblib_masked_write(chg, TYPE_C_MODE_CFG_REG, |
| 2098 | TYPEC_POWER_ROLE_CMD_MASK, power_role); |
| 2099 | if (rc < 0) { |
| 2100 | smblib_err(chg, "Couldn't write 0x%02x to TYPE_C_INTRPT_ENB_SOFTWARE_CTRL rc=%d\n", |
| 2101 | power_role, rc); |
| 2102 | return rc; |
| 2103 | } |
| 2104 | |
| 2105 | return rc; |
| 2106 | } |
| 2107 | |
| 2108 | int smblib_set_prop_pd_voltage_min(struct smb_charger *chg, |
| 2109 | const union power_supply_propval *val) |
| 2110 | { |
| 2111 | int rc, min_uv; |
| 2112 | |
| 2113 | min_uv = min(val->intval, chg->voltage_max_uv); |
| 2114 | rc = smblib_set_usb_pd_allowed_voltage(chg, min_uv, |
| 2115 | chg->voltage_max_uv); |
| 2116 | if (rc < 0) { |
| 2117 | smblib_err(chg, "invalid max voltage %duV rc=%d\n", |
| 2118 | val->intval, rc); |
| 2119 | return rc; |
| 2120 | } |
| 2121 | |
| 2122 | chg->voltage_min_uv = min_uv; |
| 2123 | power_supply_changed(chg->usb_main_psy); |
| 2124 | |
| 2125 | return rc; |
| 2126 | } |
| 2127 | |
| 2128 | int smblib_set_prop_pd_voltage_max(struct smb_charger *chg, |
| 2129 | const union power_supply_propval *val) |
| 2130 | { |
| 2131 | int rc, max_uv; |
| 2132 | |
| 2133 | max_uv = max(val->intval, chg->voltage_min_uv); |
| 2134 | rc = smblib_set_usb_pd_allowed_voltage(chg, chg->voltage_min_uv, |
| 2135 | max_uv); |
| 2136 | if (rc < 0) { |
| 2137 | smblib_err(chg, "invalid min voltage %duV rc=%d\n", |
| 2138 | val->intval, rc); |
| 2139 | return rc; |
| 2140 | } |
| 2141 | |
| 2142 | chg->voltage_max_uv = max_uv; |
| 2143 | power_supply_changed(chg->usb_main_psy); |
| 2144 | |
| 2145 | return rc; |
| 2146 | } |
| 2147 | |
| 2148 | static int __smblib_set_prop_pd_active(struct smb_charger *chg, bool pd_active) |
| 2149 | { |
| 2150 | int rc = 0; |
| 2151 | |
| 2152 | chg->pd_active = pd_active; |
| 2153 | |
| 2154 | if (chg->pd_active) { |
| 2155 | vote(chg->pd_allowed_votable, PD_VOTER, true, 0); |
| 2156 | vote(chg->usb_irq_enable_votable, PD_VOTER, true, 0); |
| 2157 | |
| 2158 | /* |
| 2159 | * Enforce 500mA for PD until the real vote comes in later. |
| 2160 | * It is guaranteed that pd_active is set prior to |
| 2161 | * pd_current_max |
| 2162 | */ |
| 2163 | rc = vote(chg->usb_icl_votable, PD_VOTER, true, USBIN_500MA); |
| 2164 | if (rc < 0) |
| 2165 | smblib_err(chg, "Couldn't vote for USB ICL rc=%d\n", |
| 2166 | rc); |
| 2167 | |
| 2168 | /* since PD was found the cable must be non-legacy */ |
| 2169 | vote(chg->usb_icl_votable, LEGACY_UNKNOWN_VOTER, false, 0); |
| 2170 | |
| 2171 | /* clear USB ICL vote for DCP_VOTER */ |
| 2172 | rc = vote(chg->usb_icl_votable, DCP_VOTER, false, 0); |
| 2173 | if (rc < 0) |
| 2174 | smblib_err(chg, "Couldn't un-vote DCP from USB ICL rc=%d\n", |
| 2175 | rc); |
| 2176 | |
| 2177 | /* remove USB_PSY_VOTER */ |
| 2178 | rc = vote(chg->usb_icl_votable, USB_PSY_VOTER, false, 0); |
| 2179 | if (rc < 0) |
| 2180 | smblib_err(chg, "Couldn't unvote USB_PSY rc=%d\n", rc); |
| 2181 | } else { |
| 2182 | vote(chg->pd_allowed_votable, PD_VOTER, true, 0); |
| 2183 | vote(chg->usb_irq_enable_votable, PD_VOTER, false, 0); |
| 2184 | } |
| 2185 | |
| 2186 | smblib_update_usb_type(chg); |
| 2187 | power_supply_changed(chg->usb_psy); |
| 2188 | return rc; |
| 2189 | } |
| 2190 | |
| 2191 | int smblib_set_prop_pd_active(struct smb_charger *chg, |
| 2192 | const union power_supply_propval *val) |
| 2193 | { |
| 2194 | if (!get_effective_result(chg->pd_allowed_votable)) |
| 2195 | return -EINVAL; |
| 2196 | |
| 2197 | return __smblib_set_prop_pd_active(chg, val->intval); |
| 2198 | } |
| 2199 | |
| 2200 | int smblib_set_prop_ship_mode(struct smb_charger *chg, |
| 2201 | const union power_supply_propval *val) |
| 2202 | { |
| 2203 | int rc; |
| 2204 | |
| 2205 | smblib_dbg(chg, PR_MISC, "Set ship mode: %d!!\n", !!val->intval); |
| 2206 | |
| 2207 | rc = smblib_masked_write(chg, SHIP_MODE_REG, SHIP_MODE_EN_BIT, |
| 2208 | !!val->intval ? SHIP_MODE_EN_BIT : 0); |
| 2209 | if (rc < 0) |
| 2210 | dev_err(chg->dev, "Couldn't %s ship mode, rc=%d\n", |
| 2211 | !!val->intval ? "enable" : "disable", rc); |
| 2212 | |
| 2213 | return rc; |
| 2214 | } |
| 2215 | |
| 2216 | int smblib_set_prop_pd_in_hard_reset(struct smb_charger *chg, |
| 2217 | const union power_supply_propval *val) |
| 2218 | { |
| 2219 | int rc = 0; |
| 2220 | |
| 2221 | if (chg->pd_hard_reset == val->intval) |
| 2222 | return rc; |
| 2223 | |
| 2224 | chg->pd_hard_reset = val->intval; |
| 2225 | rc = smblib_masked_write(chg, TYPE_C_EXIT_STATE_CFG_REG, |
| 2226 | EXIT_SNK_BASED_ON_CC_BIT, |
| 2227 | (chg->pd_hard_reset) ? EXIT_SNK_BASED_ON_CC_BIT : 0); |
| 2228 | if (rc < 0) |
| 2229 | smblib_err(chg, "Couldn't set EXIT_SNK_BASED_ON_CC rc=%d\n", |
| 2230 | rc); |
| 2231 | |
| 2232 | return rc; |
| 2233 | } |
| 2234 | |
| 2235 | static int smblib_recover_from_soft_jeita(struct smb_charger *chg) |
| 2236 | { |
| 2237 | u8 stat1, stat7; |
| 2238 | int rc; |
| 2239 | |
| 2240 | rc = smblib_read(chg, BATTERY_CHARGER_STATUS_1_REG, &stat1); |
| 2241 | if (rc < 0) { |
| 2242 | smblib_err(chg, "Couldn't read BATTERY_CHARGER_STATUS_1 rc=%d\n", |
| 2243 | rc); |
| 2244 | return rc; |
| 2245 | } |
| 2246 | |
| 2247 | rc = smblib_read(chg, BATTERY_CHARGER_STATUS_7_REG, &stat7); |
| 2248 | if (rc < 0) { |
| 2249 | smblib_err(chg, "Couldn't read BATTERY_CHARGER_STATUS_2 rc=%d\n", |
| 2250 | rc); |
| 2251 | return rc; |
| 2252 | } |
| 2253 | |
| 2254 | if ((chg->jeita_status && !(stat7 & BAT_TEMP_STATUS_SOFT_LIMIT_MASK) && |
| 2255 | ((stat1 & BATTERY_CHARGER_STATUS_MASK) == TERMINATE_CHARGE))) { |
| 2256 | /* |
| 2257 | * We are moving from JEITA soft -> Normal and charging |
| 2258 | * is terminated |
| 2259 | */ |
| 2260 | rc = smblib_write(chg, CHARGING_ENABLE_CMD_REG, 0); |
| 2261 | if (rc < 0) { |
| 2262 | smblib_err(chg, "Couldn't disable charging rc=%d\n", |
| 2263 | rc); |
| 2264 | return rc; |
| 2265 | } |
| 2266 | rc = smblib_write(chg, CHARGING_ENABLE_CMD_REG, |
| 2267 | CHARGING_ENABLE_CMD_BIT); |
| 2268 | if (rc < 0) { |
| 2269 | smblib_err(chg, "Couldn't enable charging rc=%d\n", |
| 2270 | rc); |
| 2271 | return rc; |
| 2272 | } |
| 2273 | } |
| 2274 | |
| 2275 | chg->jeita_status = stat7 & BAT_TEMP_STATUS_SOFT_LIMIT_MASK; |
| 2276 | |
| 2277 | return 0; |
| 2278 | } |
| 2279 | |
| 2280 | /************************ |
| 2281 | * USB MAIN PSY GETTERS * |
| 2282 | ************************/ |
| 2283 | int smblib_get_prop_fcc_delta(struct smb_charger *chg, |
| 2284 | union power_supply_propval *val) |
| 2285 | { |
| 2286 | int rc, jeita_cc_delta_ua = 0; |
| 2287 | |
| 2288 | if (chg->sw_jeita_enabled) { |
| 2289 | val->intval = 0; |
| 2290 | return 0; |
| 2291 | } |
| 2292 | |
| 2293 | rc = smblib_get_jeita_cc_delta(chg, &jeita_cc_delta_ua); |
| 2294 | if (rc < 0) { |
| 2295 | smblib_err(chg, "Couldn't get jeita cc delta rc=%d\n", rc); |
| 2296 | jeita_cc_delta_ua = 0; |
| 2297 | } |
| 2298 | |
| 2299 | val->intval = jeita_cc_delta_ua; |
| 2300 | return 0; |
| 2301 | } |
| 2302 | |
| 2303 | /************************ |
| 2304 | * USB MAIN PSY SETTERS * |
| 2305 | ************************/ |
| 2306 | int smblib_get_charge_current(struct smb_charger *chg, |
| 2307 | int *total_current_ua) |
| 2308 | { |
| 2309 | const struct apsd_result *apsd_result = smblib_get_apsd_result(chg); |
| 2310 | union power_supply_propval val = {0, }; |
| 2311 | int rc = 0, typec_source_rd, current_ua; |
| 2312 | bool non_compliant; |
| 2313 | u8 stat; |
| 2314 | |
| 2315 | if (chg->pd_active) { |
| 2316 | *total_current_ua = |
| 2317 | get_client_vote_locked(chg->usb_icl_votable, PD_VOTER); |
| 2318 | return rc; |
| 2319 | } |
| 2320 | |
| 2321 | rc = smblib_read(chg, LEGACY_CABLE_STATUS_REG, &stat); |
| 2322 | if (rc < 0) { |
| 2323 | smblib_err(chg, "Couldn't read TYPE_C_STATUS_5 rc=%d\n", rc); |
| 2324 | return rc; |
| 2325 | } |
| 2326 | non_compliant = stat & TYPEC_NONCOMP_LEGACY_CABLE_STATUS_BIT; |
| 2327 | |
| 2328 | /* get settled ICL */ |
| 2329 | rc = smblib_get_prop_input_current_settled(chg, &val); |
| 2330 | if (rc < 0) { |
| 2331 | smblib_err(chg, "Couldn't get settled ICL rc=%d\n", rc); |
| 2332 | return rc; |
| 2333 | } |
| 2334 | |
| 2335 | typec_source_rd = smblib_get_prop_ufp_mode(chg); |
| 2336 | |
| 2337 | /* QC 2.0/3.0 adapter */ |
| 2338 | if (apsd_result->bit & (QC_3P0_BIT | QC_2P0_BIT)) { |
| 2339 | *total_current_ua = HVDCP_CURRENT_UA; |
| 2340 | return 0; |
| 2341 | } |
| 2342 | |
| 2343 | if (non_compliant) { |
| 2344 | switch (apsd_result->bit) { |
| 2345 | case CDP_CHARGER_BIT: |
| 2346 | current_ua = CDP_CURRENT_UA; |
| 2347 | break; |
| 2348 | case DCP_CHARGER_BIT: |
| 2349 | case OCP_CHARGER_BIT: |
| 2350 | case FLOAT_CHARGER_BIT: |
| 2351 | current_ua = DCP_CURRENT_UA; |
| 2352 | break; |
| 2353 | default: |
| 2354 | current_ua = 0; |
| 2355 | break; |
| 2356 | } |
| 2357 | |
| 2358 | *total_current_ua = max(current_ua, val.intval); |
| 2359 | return 0; |
| 2360 | } |
| 2361 | |
| 2362 | switch (typec_source_rd) { |
| 2363 | case POWER_SUPPLY_TYPEC_SOURCE_DEFAULT: |
| 2364 | switch (apsd_result->bit) { |
| 2365 | case CDP_CHARGER_BIT: |
| 2366 | current_ua = CDP_CURRENT_UA; |
| 2367 | break; |
| 2368 | case DCP_CHARGER_BIT: |
| 2369 | case OCP_CHARGER_BIT: |
| 2370 | case FLOAT_CHARGER_BIT: |
| 2371 | current_ua = chg->default_icl_ua; |
| 2372 | break; |
| 2373 | default: |
| 2374 | current_ua = 0; |
| 2375 | break; |
| 2376 | } |
| 2377 | break; |
| 2378 | case POWER_SUPPLY_TYPEC_SOURCE_MEDIUM: |
| 2379 | current_ua = TYPEC_MEDIUM_CURRENT_UA; |
| 2380 | break; |
| 2381 | case POWER_SUPPLY_TYPEC_SOURCE_HIGH: |
| 2382 | current_ua = TYPEC_HIGH_CURRENT_UA; |
| 2383 | break; |
| 2384 | case POWER_SUPPLY_TYPEC_NON_COMPLIANT: |
| 2385 | case POWER_SUPPLY_TYPEC_NONE: |
| 2386 | default: |
| 2387 | current_ua = 0; |
| 2388 | break; |
| 2389 | } |
| 2390 | |
| 2391 | *total_current_ua = max(current_ua, val.intval); |
| 2392 | return 0; |
| 2393 | } |
| 2394 | |
| 2395 | /********************** |
| 2396 | * INTERRUPT HANDLERS * |
| 2397 | **********************/ |
| 2398 | |
| 2399 | irqreturn_t default_irq_handler(int irq, void *data) |
| 2400 | { |
| 2401 | struct smb_irq_data *irq_data = data; |
| 2402 | struct smb_charger *chg = irq_data->parent_data; |
| 2403 | |
| 2404 | smblib_dbg(chg, PR_INTERRUPT, "IRQ: %s\n", irq_data->name); |
| 2405 | return IRQ_HANDLED; |
| 2406 | } |
| 2407 | |
| 2408 | irqreturn_t chg_state_change_irq_handler(int irq, void *data) |
| 2409 | { |
| 2410 | struct smb_irq_data *irq_data = data; |
| 2411 | struct smb_charger *chg = irq_data->parent_data; |
| 2412 | u8 stat; |
| 2413 | int rc; |
| 2414 | |
| 2415 | smblib_dbg(chg, PR_INTERRUPT, "IRQ: %s\n", irq_data->name); |
| 2416 | |
| 2417 | rc = smblib_read(chg, BATTERY_CHARGER_STATUS_1_REG, &stat); |
| 2418 | if (rc < 0) { |
| 2419 | smblib_err(chg, "Couldn't read BATTERY_CHARGER_STATUS_1 rc=%d\n", |
| 2420 | rc); |
| 2421 | return IRQ_HANDLED; |
| 2422 | } |
| 2423 | |
| 2424 | stat = stat & BATTERY_CHARGER_STATUS_MASK; |
| 2425 | power_supply_changed(chg->batt_psy); |
| 2426 | return IRQ_HANDLED; |
| 2427 | } |
| 2428 | |
| 2429 | irqreturn_t batt_temp_changed_irq_handler(int irq, void *data) |
| 2430 | { |
| 2431 | struct smb_irq_data *irq_data = data; |
| 2432 | struct smb_charger *chg = irq_data->parent_data; |
| 2433 | int rc; |
| 2434 | |
| 2435 | rc = smblib_recover_from_soft_jeita(chg); |
| 2436 | if (rc < 0) { |
| 2437 | smblib_err(chg, "Couldn't recover chg from soft jeita rc=%d\n", |
| 2438 | rc); |
| 2439 | return IRQ_HANDLED; |
| 2440 | } |
| 2441 | |
| 2442 | rerun_election(chg->fcc_votable); |
| 2443 | power_supply_changed(chg->batt_psy); |
| 2444 | return IRQ_HANDLED; |
| 2445 | } |
| 2446 | |
| 2447 | irqreturn_t batt_psy_changed_irq_handler(int irq, void *data) |
| 2448 | { |
| 2449 | struct smb_irq_data *irq_data = data; |
| 2450 | struct smb_charger *chg = irq_data->parent_data; |
| 2451 | |
| 2452 | smblib_dbg(chg, PR_INTERRUPT, "IRQ: %s\n", irq_data->name); |
| 2453 | power_supply_changed(chg->batt_psy); |
| 2454 | return IRQ_HANDLED; |
| 2455 | } |
| 2456 | |
| 2457 | irqreturn_t usbin_uv_irq_handler(int irq, void *data) |
| 2458 | { |
| 2459 | struct smb_irq_data *irq_data = data; |
| 2460 | struct smb_charger *chg = irq_data->parent_data; |
| 2461 | struct storm_watch *wdata; |
| 2462 | |
| 2463 | smblib_dbg(chg, PR_INTERRUPT, "IRQ: %s\n", irq_data->name); |
| 2464 | if (!chg->irq_info[SWITCHER_POWER_OK_IRQ].irq_data) |
| 2465 | return IRQ_HANDLED; |
| 2466 | |
| 2467 | wdata = &chg->irq_info[SWITCHER_POWER_OK_IRQ].irq_data->storm_data; |
| 2468 | reset_storm_count(wdata); |
| 2469 | return IRQ_HANDLED; |
| 2470 | } |
| 2471 | |
| 2472 | #define USB_WEAK_INPUT_UA 1400000 |
| 2473 | #define ICL_CHANGE_DELAY_MS 1000 |
| 2474 | irqreturn_t icl_change_irq_handler(int irq, void *data) |
| 2475 | { |
| 2476 | u8 stat; |
| 2477 | int rc, settled_ua, delay = ICL_CHANGE_DELAY_MS; |
| 2478 | struct smb_irq_data *irq_data = data; |
| 2479 | struct smb_charger *chg = irq_data->parent_data; |
| 2480 | |
| 2481 | if (chg->mode == PARALLEL_MASTER) { |
| 2482 | rc = smblib_read(chg, AICL_STATUS_REG, &stat); |
| 2483 | if (rc < 0) { |
| 2484 | smblib_err(chg, "Couldn't read AICL_STATUS rc=%d\n", |
| 2485 | rc); |
| 2486 | return IRQ_HANDLED; |
| 2487 | } |
| 2488 | |
| 2489 | rc = smblib_get_charge_param(chg, &chg->param.icl_stat, |
| 2490 | &settled_ua); |
| 2491 | if (rc < 0) { |
| 2492 | smblib_err(chg, "Couldn't get ICL status rc=%d\n", rc); |
| 2493 | return IRQ_HANDLED; |
| 2494 | } |
| 2495 | |
| 2496 | /* If AICL settled then schedule work now */ |
| 2497 | if (settled_ua == get_effective_result(chg->usb_icl_votable)) |
| 2498 | delay = 0; |
| 2499 | |
| 2500 | cancel_delayed_work_sync(&chg->icl_change_work); |
| 2501 | schedule_delayed_work(&chg->icl_change_work, |
| 2502 | msecs_to_jiffies(delay)); |
| 2503 | } |
| 2504 | |
| 2505 | return IRQ_HANDLED; |
| 2506 | } |
| 2507 | |
| 2508 | static void smblib_micro_usb_plugin(struct smb_charger *chg, bool vbus_rising) |
| 2509 | { |
| 2510 | if (vbus_rising) { |
| 2511 | /* use the typec flag even though its not typec */ |
| 2512 | chg->typec_present = 1; |
| 2513 | } else { |
| 2514 | chg->typec_present = 0; |
| 2515 | smblib_update_usb_type(chg); |
| 2516 | extcon_set_state_sync(chg->extcon, EXTCON_USB, false); |
| 2517 | smblib_uusb_removal(chg); |
| 2518 | } |
| 2519 | } |
| 2520 | |
| 2521 | void smblib_usb_plugin_hard_reset_locked(struct smb_charger *chg) |
| 2522 | { |
| 2523 | int rc; |
| 2524 | u8 stat; |
| 2525 | bool vbus_rising; |
| 2526 | struct smb_irq_data *data; |
| 2527 | struct storm_watch *wdata; |
| 2528 | |
| 2529 | rc = smblib_read(chg, USBIN_BASE + INT_RT_STS_OFFSET, &stat); |
| 2530 | if (rc < 0) { |
| 2531 | smblib_err(chg, "Couldn't read USB_INT_RT_STS rc=%d\n", rc); |
| 2532 | return; |
| 2533 | } |
| 2534 | |
| 2535 | vbus_rising = (bool)(stat & USBIN_PLUGIN_RT_STS_BIT); |
| 2536 | |
| 2537 | if (!vbus_rising) { |
| 2538 | if (chg->wa_flags & BOOST_BACK_WA) { |
| 2539 | data = chg->irq_info[SWITCHER_POWER_OK_IRQ].irq_data; |
| 2540 | if (data) { |
| 2541 | wdata = &data->storm_data; |
| 2542 | update_storm_count(wdata, |
| 2543 | WEAK_CHG_STORM_COUNT); |
| 2544 | vote(chg->usb_icl_votable, BOOST_BACK_VOTER, |
| 2545 | false, 0); |
| 2546 | vote(chg->usb_icl_votable, WEAK_CHARGER_VOTER, |
| 2547 | false, 0); |
| 2548 | } |
| 2549 | } |
| 2550 | } |
| 2551 | |
| 2552 | power_supply_changed(chg->usb_psy); |
| 2553 | smblib_dbg(chg, PR_INTERRUPT, "IRQ: usbin-plugin %s\n", |
| 2554 | vbus_rising ? "attached" : "detached"); |
| 2555 | } |
| 2556 | |
| 2557 | #define PL_DELAY_MS 30000 |
| 2558 | void smblib_usb_plugin_locked(struct smb_charger *chg) |
| 2559 | { |
| 2560 | int rc; |
| 2561 | u8 stat; |
| 2562 | bool vbus_rising; |
| 2563 | struct smb_irq_data *data; |
| 2564 | struct storm_watch *wdata; |
| 2565 | |
| 2566 | rc = smblib_read(chg, USBIN_BASE + INT_RT_STS_OFFSET, &stat); |
| 2567 | if (rc < 0) { |
| 2568 | smblib_err(chg, "Couldn't read USB_INT_RT_STS rc=%d\n", rc); |
| 2569 | return; |
| 2570 | } |
| 2571 | |
| 2572 | vbus_rising = (bool)(stat & USBIN_PLUGIN_RT_STS_BIT); |
| 2573 | smblib_set_opt_switcher_freq(chg, vbus_rising ? chg->chg_freq.freq_5V : |
| 2574 | chg->chg_freq.freq_removal); |
| 2575 | |
| 2576 | if (vbus_rising) { |
| 2577 | rc = smblib_request_dpdm(chg, true); |
| 2578 | if (rc < 0) |
| 2579 | smblib_err(chg, "Couldn't to enable DPDM rc=%d\n", rc); |
| 2580 | |
| 2581 | /* Schedule work to enable parallel charger */ |
| 2582 | vote(chg->awake_votable, PL_DELAY_VOTER, true, 0); |
| 2583 | schedule_delayed_work(&chg->pl_enable_work, |
| 2584 | msecs_to_jiffies(PL_DELAY_MS)); |
| 2585 | } else { |
| 2586 | if (chg->wa_flags & BOOST_BACK_WA) { |
| 2587 | data = chg->irq_info[SWITCHER_POWER_OK_IRQ].irq_data; |
| 2588 | if (data) { |
| 2589 | wdata = &data->storm_data; |
| 2590 | update_storm_count(wdata, |
| 2591 | WEAK_CHG_STORM_COUNT); |
| 2592 | vote(chg->usb_icl_votable, BOOST_BACK_VOTER, |
| 2593 | false, 0); |
| 2594 | vote(chg->usb_icl_votable, WEAK_CHARGER_VOTER, |
| 2595 | false, 0); |
| 2596 | } |
| 2597 | } |
| 2598 | |
| 2599 | rc = smblib_request_dpdm(chg, false); |
| 2600 | if (rc < 0) |
| 2601 | smblib_err(chg, "Couldn't disable DPDM rc=%d\n", rc); |
| 2602 | } |
| 2603 | |
| 2604 | if (chg->micro_usb_mode) |
| 2605 | smblib_micro_usb_plugin(chg, vbus_rising); |
| 2606 | |
| 2607 | power_supply_changed(chg->usb_psy); |
| 2608 | smblib_dbg(chg, PR_INTERRUPT, "IRQ: usbin-plugin %s\n", |
| 2609 | vbus_rising ? "attached" : "detached"); |
| 2610 | } |
| 2611 | |
| 2612 | irqreturn_t usb_plugin_irq_handler(int irq, void *data) |
| 2613 | { |
| 2614 | struct smb_irq_data *irq_data = data; |
| 2615 | struct smb_charger *chg = irq_data->parent_data; |
| 2616 | |
| 2617 | mutex_lock(&chg->lock); |
| 2618 | if (chg->pd_hard_reset) |
| 2619 | smblib_usb_plugin_hard_reset_locked(chg); |
| 2620 | else |
| 2621 | smblib_usb_plugin_locked(chg); |
| 2622 | mutex_unlock(&chg->lock); |
| 2623 | |
| 2624 | return IRQ_HANDLED; |
| 2625 | } |
| 2626 | |
| 2627 | static void smblib_handle_slow_plugin_timeout(struct smb_charger *chg, |
| 2628 | bool rising) |
| 2629 | { |
| 2630 | smblib_dbg(chg, PR_INTERRUPT, "IRQ: slow-plugin-timeout %s\n", |
| 2631 | rising ? "rising" : "falling"); |
| 2632 | } |
| 2633 | |
| 2634 | static void smblib_handle_sdp_enumeration_done(struct smb_charger *chg, |
| 2635 | bool rising) |
| 2636 | { |
| 2637 | smblib_dbg(chg, PR_INTERRUPT, "IRQ: sdp-enumeration-done %s\n", |
| 2638 | rising ? "rising" : "falling"); |
| 2639 | } |
| 2640 | |
| 2641 | #define QC3_PULSES_FOR_6V 5 |
| 2642 | #define QC3_PULSES_FOR_9V 20 |
| 2643 | #define QC3_PULSES_FOR_12V 35 |
| 2644 | static void smblib_hvdcp_adaptive_voltage_change(struct smb_charger *chg) |
| 2645 | { |
| 2646 | int rc; |
| 2647 | u8 stat; |
| 2648 | int pulses; |
| 2649 | |
| 2650 | power_supply_changed(chg->usb_main_psy); |
| 2651 | if (chg->real_charger_type == POWER_SUPPLY_TYPE_USB_HVDCP) { |
| 2652 | rc = smblib_read(chg, QC_CHANGE_STATUS_REG, &stat); |
| 2653 | if (rc < 0) { |
| 2654 | smblib_err(chg, |
| 2655 | "Couldn't read QC_CHANGE_STATUS rc=%d\n", rc); |
| 2656 | return; |
| 2657 | } |
| 2658 | |
| 2659 | switch (stat & QC_2P0_STATUS_MASK) { |
| 2660 | case QC_5V_BIT: |
| 2661 | smblib_set_opt_switcher_freq(chg, |
| 2662 | chg->chg_freq.freq_5V); |
| 2663 | break; |
| 2664 | case QC_9V_BIT: |
| 2665 | smblib_set_opt_switcher_freq(chg, |
| 2666 | chg->chg_freq.freq_9V); |
| 2667 | break; |
| 2668 | case QC_12V_BIT: |
| 2669 | smblib_set_opt_switcher_freq(chg, |
| 2670 | chg->chg_freq.freq_12V); |
| 2671 | break; |
| 2672 | default: |
| 2673 | smblib_set_opt_switcher_freq(chg, |
| 2674 | chg->chg_freq.freq_removal); |
| 2675 | break; |
| 2676 | } |
| 2677 | } |
| 2678 | |
| 2679 | if (chg->real_charger_type == POWER_SUPPLY_TYPE_USB_HVDCP_3) { |
| 2680 | rc = smblib_get_pulse_cnt(chg, &pulses); |
| 2681 | if (rc < 0) { |
| 2682 | smblib_err(chg, |
| 2683 | "Couldn't read QC_PULSE_COUNT rc=%d\n", rc); |
| 2684 | return; |
| 2685 | } |
| 2686 | |
| 2687 | if (pulses < QC3_PULSES_FOR_6V) |
| 2688 | smblib_set_opt_switcher_freq(chg, |
| 2689 | chg->chg_freq.freq_5V); |
| 2690 | else if (pulses < QC3_PULSES_FOR_9V) |
| 2691 | smblib_set_opt_switcher_freq(chg, |
| 2692 | chg->chg_freq.freq_6V_8V); |
| 2693 | else if (pulses < QC3_PULSES_FOR_12V) |
| 2694 | smblib_set_opt_switcher_freq(chg, |
| 2695 | chg->chg_freq.freq_9V); |
| 2696 | else |
| 2697 | smblib_set_opt_switcher_freq(chg, |
| 2698 | chg->chg_freq.freq_12V); |
| 2699 | } |
| 2700 | } |
| 2701 | |
| 2702 | /* triggers when HVDCP 3.0 authentication has finished */ |
| 2703 | static void smblib_handle_hvdcp_3p0_auth_done(struct smb_charger *chg, |
| 2704 | bool rising) |
| 2705 | { |
| 2706 | const struct apsd_result *apsd_result; |
| 2707 | |
| 2708 | if (!rising) |
| 2709 | return; |
| 2710 | |
| 2711 | vote(chg->pd_disallowed_votable_indirect, APSD_VOTER, false, 0); |
| 2712 | |
| 2713 | if (chg->mode == PARALLEL_MASTER) |
| 2714 | vote(chg->pl_enable_votable_indirect, USBIN_V_VOTER, true, 0); |
| 2715 | |
| 2716 | /* the APSD done handler will set the USB supply type */ |
| 2717 | apsd_result = smblib_get_apsd_result(chg); |
| 2718 | smblib_dbg(chg, PR_INTERRUPT, "IRQ: hvdcp-3p0-auth-done rising; %s detected\n", |
| 2719 | apsd_result->name); |
| 2720 | } |
| 2721 | |
| 2722 | static void smblib_handle_hvdcp_check_timeout(struct smb_charger *chg, |
| 2723 | bool rising, bool qc_charger) |
| 2724 | { |
| 2725 | const struct apsd_result *apsd_result = smblib_get_apsd_result(chg); |
| 2726 | |
| 2727 | /* Hold off PD only until hvdcp 2.0 detection timeout */ |
| 2728 | if (rising) { |
| 2729 | |
| 2730 | /* enable HDC and ICL irq for QC2/3 charger */ |
| 2731 | if (qc_charger) |
| 2732 | vote(chg->usb_irq_enable_votable, QC_VOTER, true, 0); |
| 2733 | else |
| 2734 | vote(chg->pd_disallowed_votable_indirect, APSD_VOTER, |
| 2735 | false, 0); |
| 2736 | |
| 2737 | /* |
| 2738 | * HVDCP detection timeout done |
| 2739 | * If adapter is not QC2.0/QC3.0 - it is a plain old DCP. |
| 2740 | */ |
| 2741 | if (!qc_charger && (apsd_result->bit & DCP_CHARGER_BIT)) |
| 2742 | /* enforce DCP ICL if specified */ |
| 2743 | vote(chg->usb_icl_votable, DCP_VOTER, |
| 2744 | chg->dcp_icl_ua != -EINVAL, chg->dcp_icl_ua); |
| 2745 | |
| 2746 | /* |
| 2747 | * if pd is not allowed, then set pd_active = false right here, |
| 2748 | * so that it starts the hvdcp engine |
| 2749 | */ |
| 2750 | if (!get_effective_result(chg->pd_allowed_votable)) |
| 2751 | __smblib_set_prop_pd_active(chg, 0); |
| 2752 | } |
| 2753 | |
| 2754 | smblib_dbg(chg, PR_INTERRUPT, "IRQ: %s %s\n", __func__, |
| 2755 | rising ? "rising" : "falling"); |
| 2756 | } |
| 2757 | |
| 2758 | /* triggers when HVDCP is detected */ |
| 2759 | static void smblib_handle_hvdcp_detect_done(struct smb_charger *chg, |
| 2760 | bool rising) |
| 2761 | { |
| 2762 | smblib_dbg(chg, PR_INTERRUPT, "IRQ: hvdcp-detect-done %s\n", |
| 2763 | rising ? "rising" : "falling"); |
| 2764 | } |
| 2765 | |
| 2766 | static void smblib_notify_extcon_props(struct smb_charger *chg, int id) |
| 2767 | { |
| 2768 | union extcon_property_value val; |
| 2769 | union power_supply_propval prop_val; |
| 2770 | |
| 2771 | smblib_get_prop_typec_cc_orientation(chg, &prop_val); |
| 2772 | val.intval = ((prop_val.intval == 2) ? 1 : 0); |
| 2773 | extcon_set_property(chg->extcon, id, |
| 2774 | EXTCON_PROP_USB_TYPEC_POLARITY, val); |
| 2775 | |
| 2776 | val.intval = true; |
| 2777 | extcon_set_property(chg->extcon, id, |
| 2778 | EXTCON_PROP_USB_SS, val); |
| 2779 | } |
| 2780 | |
| 2781 | static void smblib_notify_device_mode(struct smb_charger *chg, bool enable) |
| 2782 | { |
| 2783 | if (enable) |
| 2784 | smblib_notify_extcon_props(chg, EXTCON_USB); |
| 2785 | |
| 2786 | extcon_set_state_sync(chg->extcon, EXTCON_USB, enable); |
| 2787 | } |
| 2788 | |
| 2789 | static void smblib_notify_usb_host(struct smb_charger *chg, bool enable) |
| 2790 | { |
| 2791 | if (enable) |
| 2792 | smblib_notify_extcon_props(chg, EXTCON_USB_HOST); |
| 2793 | |
| 2794 | extcon_set_state_sync(chg->extcon, EXTCON_USB_HOST, enable); |
| 2795 | } |
| 2796 | |
| 2797 | static void smblib_handle_apsd_done(struct smb_charger *chg, bool rising) |
| 2798 | { |
| 2799 | const struct apsd_result *apsd_result; |
| 2800 | |
| 2801 | if (!rising) |
| 2802 | return; |
| 2803 | |
| 2804 | apsd_result = smblib_update_usb_type(chg); |
| 2805 | |
| 2806 | switch (apsd_result->bit) { |
| 2807 | case SDP_CHARGER_BIT: |
| 2808 | case CDP_CHARGER_BIT: |
| 2809 | if (chg->micro_usb_mode) |
| 2810 | extcon_set_state_sync(chg->extcon, EXTCON_USB, |
| 2811 | true); |
| 2812 | /* if not DCP then no hvdcp timeout happens. Enable pd here */ |
| 2813 | vote(chg->pd_disallowed_votable_indirect, APSD_VOTER, |
| 2814 | false, 0); |
| 2815 | if (chg->use_extcon) |
| 2816 | smblib_notify_device_mode(chg, true); |
| 2817 | break; |
| 2818 | case OCP_CHARGER_BIT: |
| 2819 | case FLOAT_CHARGER_BIT: |
| 2820 | /* if not DCP then no hvdcp timeout happens, Enable pd here. */ |
| 2821 | vote(chg->pd_disallowed_votable_indirect, APSD_VOTER, |
| 2822 | false, 0); |
| 2823 | break; |
| 2824 | case DCP_CHARGER_BIT: |
| 2825 | break; |
| 2826 | default: |
| 2827 | break; |
| 2828 | } |
| 2829 | |
| 2830 | smblib_dbg(chg, PR_INTERRUPT, "IRQ: apsd-done rising; %s detected\n", |
| 2831 | apsd_result->name); |
| 2832 | } |
| 2833 | |
| 2834 | irqreturn_t usb_source_change_irq_handler(int irq, void *data) |
| 2835 | { |
| 2836 | struct smb_irq_data *irq_data = data; |
| 2837 | struct smb_charger *chg = irq_data->parent_data; |
| 2838 | int rc = 0; |
| 2839 | u8 stat; |
| 2840 | |
| 2841 | rc = smblib_read(chg, APSD_STATUS_REG, &stat); |
| 2842 | if (rc < 0) { |
| 2843 | smblib_err(chg, "Couldn't read APSD_STATUS rc=%d\n", rc); |
| 2844 | return IRQ_HANDLED; |
| 2845 | } |
| 2846 | smblib_dbg(chg, PR_REGISTER, "APSD_STATUS = 0x%02x\n", stat); |
| 2847 | |
| 2848 | if (chg->micro_usb_mode && (stat & APSD_DTC_STATUS_DONE_BIT) |
| 2849 | && !chg->uusb_apsd_rerun_done) { |
| 2850 | /* |
| 2851 | * Force re-run APSD to handle slow insertion related |
| 2852 | * charger-mis-detection. |
| 2853 | */ |
| 2854 | chg->uusb_apsd_rerun_done = true; |
| 2855 | smblib_rerun_apsd(chg); |
| 2856 | return IRQ_HANDLED; |
| 2857 | } |
| 2858 | |
| 2859 | smblib_handle_apsd_done(chg, |
| 2860 | (bool)(stat & APSD_DTC_STATUS_DONE_BIT)); |
| 2861 | |
| 2862 | smblib_handle_hvdcp_detect_done(chg, |
| 2863 | (bool)(stat & QC_CHARGER_BIT)); |
| 2864 | |
| 2865 | smblib_handle_hvdcp_check_timeout(chg, |
| 2866 | (bool)(stat & HVDCP_CHECK_TIMEOUT_BIT), |
| 2867 | (bool)(stat & QC_CHARGER_BIT)); |
| 2868 | |
| 2869 | smblib_handle_hvdcp_3p0_auth_done(chg, |
| 2870 | (bool)(stat & QC_AUTH_DONE_STATUS_BIT)); |
| 2871 | |
| 2872 | smblib_handle_sdp_enumeration_done(chg, |
| 2873 | (bool)(stat & ENUMERATION_DONE_BIT)); |
| 2874 | |
| 2875 | smblib_handle_slow_plugin_timeout(chg, |
| 2876 | (bool)(stat & SLOW_PLUGIN_TIMEOUT_BIT)); |
| 2877 | |
| 2878 | smblib_hvdcp_adaptive_voltage_change(chg); |
| 2879 | |
| 2880 | power_supply_changed(chg->usb_psy); |
| 2881 | |
| 2882 | rc = smblib_read(chg, APSD_STATUS_REG, &stat); |
| 2883 | if (rc < 0) { |
| 2884 | smblib_err(chg, "Couldn't read APSD_STATUS rc=%d\n", rc); |
| 2885 | return IRQ_HANDLED; |
| 2886 | } |
| 2887 | smblib_dbg(chg, PR_REGISTER, "APSD_STATUS = 0x%02x\n", stat); |
| 2888 | |
| 2889 | return IRQ_HANDLED; |
| 2890 | } |
| 2891 | |
| 2892 | static void typec_sink_insertion(struct smb_charger *chg) |
| 2893 | { |
| 2894 | /* when a sink is inserted we should not wait on hvdcp timeout to |
| 2895 | * enable pd |
| 2896 | */ |
| 2897 | vote(chg->pd_disallowed_votable_indirect, APSD_VOTER, false, 0); |
| 2898 | if (chg->use_extcon) { |
| 2899 | smblib_notify_usb_host(chg, true); |
| 2900 | chg->otg_present = true; |
| 2901 | } |
| 2902 | } |
| 2903 | |
| 2904 | static void typec_sink_removal(struct smb_charger *chg) |
| 2905 | { |
| 2906 | smblib_set_charge_param(chg, &chg->param.freq_switcher, |
| 2907 | chg->chg_freq.freq_above_otg_threshold); |
| 2908 | chg->boost_current_ua = 0; |
| 2909 | } |
| 2910 | |
| 2911 | static void smblib_handle_typec_removal(struct smb_charger *chg) |
| 2912 | { |
| 2913 | int rc; |
| 2914 | struct smb_irq_data *data; |
| 2915 | struct storm_watch *wdata; |
| 2916 | |
| 2917 | rc = smblib_request_dpdm(chg, false); |
| 2918 | if (rc < 0) |
| 2919 | smblib_err(chg, "Couldn't disable DPDM rc=%d\n", rc); |
| 2920 | |
| 2921 | if (chg->wa_flags & BOOST_BACK_WA) { |
| 2922 | data = chg->irq_info[SWITCHER_POWER_OK_IRQ].irq_data; |
| 2923 | if (data) { |
| 2924 | wdata = &data->storm_data; |
| 2925 | update_storm_count(wdata, WEAK_CHG_STORM_COUNT); |
| 2926 | vote(chg->usb_icl_votable, BOOST_BACK_VOTER, false, 0); |
| 2927 | vote(chg->usb_icl_votable, WEAK_CHARGER_VOTER, |
| 2928 | false, 0); |
| 2929 | } |
| 2930 | } |
| 2931 | |
| 2932 | cancel_delayed_work_sync(&chg->pl_enable_work); |
| 2933 | |
| 2934 | /* reset input current limit voters */ |
| 2935 | vote(chg->usb_icl_votable, LEGACY_UNKNOWN_VOTER, true, 100000); |
| 2936 | vote(chg->usb_icl_votable, PD_VOTER, false, 0); |
| 2937 | vote(chg->usb_icl_votable, USB_PSY_VOTER, false, 0); |
| 2938 | vote(chg->usb_icl_votable, DCP_VOTER, false, 0); |
| 2939 | vote(chg->usb_icl_votable, PL_USBIN_USBIN_VOTER, false, 0); |
| 2940 | vote(chg->usb_icl_votable, SW_QC3_VOTER, false, 0); |
| 2941 | vote(chg->usb_icl_votable, OTG_VOTER, false, 0); |
| 2942 | vote(chg->usb_icl_votable, CTM_VOTER, false, 0); |
| 2943 | |
| 2944 | /* reset power delivery voters */ |
| 2945 | vote(chg->pd_allowed_votable, PD_VOTER, false, 0); |
| 2946 | vote(chg->pd_disallowed_votable_indirect, CC_DETACHED_VOTER, true, 0); |
| 2947 | vote(chg->pd_disallowed_votable_indirect, APSD_VOTER, true, 0); |
| 2948 | |
| 2949 | /* reset usb irq voters */ |
| 2950 | vote(chg->usb_irq_enable_votable, PD_VOTER, false, 0); |
| 2951 | vote(chg->usb_irq_enable_votable, QC_VOTER, false, 0); |
| 2952 | |
| 2953 | /* reset parallel voters */ |
| 2954 | vote(chg->pl_disable_votable, PL_DELAY_VOTER, true, 0); |
| 2955 | vote(chg->pl_disable_votable, PL_FCC_LOW_VOTER, false, 0); |
| 2956 | vote(chg->pl_enable_votable_indirect, USBIN_I_VOTER, false, 0); |
| 2957 | vote(chg->pl_enable_votable_indirect, USBIN_V_VOTER, false, 0); |
| 2958 | vote(chg->awake_votable, PL_DELAY_VOTER, false, 0); |
| 2959 | |
| 2960 | chg->vconn_attempts = 0; |
| 2961 | chg->otg_attempts = 0; |
| 2962 | chg->pulse_cnt = 0; |
| 2963 | chg->usb_icl_delta_ua = 0; |
| 2964 | chg->voltage_min_uv = MICRO_5V; |
| 2965 | chg->voltage_max_uv = MICRO_5V; |
| 2966 | chg->pd_active = 0; |
| 2967 | chg->pd_hard_reset = 0; |
| 2968 | |
| 2969 | /* write back the default FLOAT charger configuration */ |
| 2970 | rc = smblib_masked_write(chg, USBIN_OPTIONS_2_CFG_REG, |
| 2971 | (u8)FLOAT_OPTIONS_MASK, chg->float_cfg); |
| 2972 | if (rc < 0) |
| 2973 | smblib_err(chg, "Couldn't write float charger options rc=%d\n", |
| 2974 | rc); |
| 2975 | |
| 2976 | /* reset back to 103mS tCC debounce */ |
| 2977 | rc = smblib_masked_write(chg, TYPE_C_DEBOUNCE_OPTION_REG, |
| 2978 | REDUCE_TCCDEBOUNCE_TO_2MS_BIT, 0); |
| 2979 | if (rc < 0) |
| 2980 | smblib_err(chg, "Couldn't set 120mS tCC debounce rc=%d\n", rc); |
| 2981 | |
| 2982 | /* reconfigure allowed voltage for HVDCP */ |
| 2983 | rc = smblib_set_adapter_allowance(chg, |
| 2984 | USBIN_ADAPTER_ALLOW_5V_OR_9V_TO_12V); |
| 2985 | if (rc < 0) |
| 2986 | smblib_err(chg, "Couldn't set USBIN_ADAPTER_ALLOW_5V_OR_9V_TO_12V rc=%d\n", |
| 2987 | rc); |
| 2988 | |
| 2989 | /* enable DRP */ |
| 2990 | rc = smblib_masked_write(chg, TYPE_C_MODE_CFG_REG, |
| 2991 | TYPEC_POWER_ROLE_CMD_MASK, 0); |
| 2992 | if (rc < 0) |
| 2993 | smblib_err(chg, "Couldn't enable DRP rc=%d\n", rc); |
| 2994 | |
| 2995 | /* HW controlled CC_OUT */ |
| 2996 | rc = smblib_masked_write(chg, TYPE_C_CCOUT_CONTROL_REG, |
| 2997 | TYPEC_CCOUT_SRC_BIT, 0); |
| 2998 | if (rc < 0) |
| 2999 | smblib_err(chg, "Couldn't enable HW cc_out rc=%d\n", rc); |
| 3000 | |
| 3001 | |
| 3002 | rc = smblib_masked_write(chg, TYPE_C_VCONN_CONTROL_REG, |
| 3003 | VCONN_EN_SRC_BIT, 0); |
| 3004 | if (rc < 0) |
| 3005 | smblib_err(chg, "Couldn't set TYPE_C_VCONN_CONTROL_REG rc=%d\n", |
| 3006 | rc); |
| 3007 | |
| 3008 | /* clear exit sink based on cc */ |
| 3009 | rc = smblib_masked_write(chg, TYPE_C_EXIT_STATE_CFG_REG, |
| 3010 | EXIT_SNK_BASED_ON_CC_BIT, 0); |
| 3011 | if (rc < 0) |
| 3012 | smblib_err(chg, "Couldn't clear exit_sink_based_on_cc rc=%d\n", |
| 3013 | rc); |
| 3014 | |
| 3015 | typec_sink_removal(chg); |
| 3016 | smblib_update_usb_type(chg); |
| 3017 | |
| 3018 | if (chg->use_extcon) { |
| 3019 | if (chg->otg_present) |
| 3020 | smblib_notify_usb_host(chg, false); |
| 3021 | else |
| 3022 | smblib_notify_device_mode(chg, false); |
| 3023 | } |
| 3024 | chg->otg_present = false; |
| 3025 | } |
| 3026 | |
| 3027 | static void smblib_handle_typec_insertion(struct smb_charger *chg) |
| 3028 | { |
| 3029 | int rc; |
| 3030 | u8 stat; |
| 3031 | |
| 3032 | vote(chg->pd_disallowed_votable_indirect, CC_DETACHED_VOTER, false, 0); |
| 3033 | |
| 3034 | rc = smblib_read(chg, TYPE_C_MISC_STATUS_REG, &stat); |
| 3035 | if (rc < 0) { |
| 3036 | smblib_err(chg, "Couldn't read TYPE_C_STATUS_4 rc=%d\n", rc); |
| 3037 | return; |
| 3038 | } |
| 3039 | |
| 3040 | if (stat & SNK_SRC_MODE_BIT) { |
| 3041 | typec_sink_insertion(chg); |
| 3042 | } else { |
| 3043 | rc = smblib_request_dpdm(chg, true); |
| 3044 | if (rc < 0) |
| 3045 | smblib_err(chg, "Couldn't to enable DPDM rc=%d\n", rc); |
| 3046 | typec_sink_removal(chg); |
| 3047 | } |
| 3048 | } |
| 3049 | |
| 3050 | static void smblib_handle_rp_change(struct smb_charger *chg, int typec_mode) |
| 3051 | { |
| 3052 | int rp_ua; |
| 3053 | const struct apsd_result *apsd = smblib_get_apsd_result(chg); |
| 3054 | |
| 3055 | if ((apsd->pst != POWER_SUPPLY_TYPE_USB_DCP) |
| 3056 | && (apsd->pst != POWER_SUPPLY_TYPE_USB_FLOAT)) |
| 3057 | return; |
| 3058 | |
| 3059 | /* |
| 3060 | * if APSD indicates FLOAT and the USB stack had detected SDP, |
| 3061 | * do not respond to Rp changes as we do not confirm that its |
| 3062 | * a legacy cable |
| 3063 | */ |
| 3064 | if (chg->real_charger_type == POWER_SUPPLY_TYPE_USB) |
| 3065 | return; |
| 3066 | /* |
| 3067 | * We want the ICL vote @ 100mA for a FLOAT charger |
| 3068 | * until the detection by the USB stack is complete. |
| 3069 | * Ignore the Rp changes unless there is a |
| 3070 | * pre-existing valid vote. |
| 3071 | */ |
| 3072 | if (apsd->pst == POWER_SUPPLY_TYPE_USB_FLOAT && |
| 3073 | get_client_vote(chg->usb_icl_votable, |
| 3074 | LEGACY_UNKNOWN_VOTER) <= 100000) |
| 3075 | return; |
| 3076 | |
| 3077 | /* |
| 3078 | * handle Rp change for DCP/FLOAT/OCP. |
| 3079 | * Update the current only if the Rp is different from |
| 3080 | * the last Rp value. |
| 3081 | */ |
| 3082 | smblib_dbg(chg, PR_MISC, "CC change old_mode=%d new_mode=%d\n", |
| 3083 | chg->typec_mode, typec_mode); |
| 3084 | |
| 3085 | rp_ua = get_rp_based_dcp_current(chg, typec_mode); |
| 3086 | vote(chg->usb_icl_votable, LEGACY_UNKNOWN_VOTER, true, rp_ua); |
| 3087 | } |
| 3088 | |
| 3089 | static void smblib_handle_typec_cc_state_change(struct smb_charger *chg) |
| 3090 | { |
| 3091 | u8 stat; |
| 3092 | int typec_mode, rc; |
| 3093 | |
| 3094 | if (chg->pr_swap_in_progress) |
| 3095 | return; |
| 3096 | |
| 3097 | typec_mode = smblib_get_prop_typec_mode(chg); |
| 3098 | if (chg->typec_present && (typec_mode != chg->typec_mode)) |
| 3099 | smblib_handle_rp_change(chg, typec_mode); |
| 3100 | |
| 3101 | chg->typec_mode = typec_mode; |
| 3102 | |
| 3103 | if (!chg->typec_present && chg->typec_mode != POWER_SUPPLY_TYPEC_NONE) { |
| 3104 | chg->typec_present = true; |
| 3105 | smblib_dbg(chg, PR_MISC, "TypeC %s insertion\n", |
| 3106 | smblib_typec_mode_name[chg->typec_mode]); |
| 3107 | smblib_handle_typec_insertion(chg); |
| 3108 | } else if (chg->typec_present && |
| 3109 | chg->typec_mode == POWER_SUPPLY_TYPEC_NONE) { |
| 3110 | chg->typec_present = false; |
| 3111 | smblib_dbg(chg, PR_MISC, "TypeC removal\n"); |
| 3112 | smblib_handle_typec_removal(chg); |
| 3113 | } |
| 3114 | |
| 3115 | rc = smblib_read(chg, TYPE_C_MISC_STATUS_REG, &stat); |
| 3116 | if (rc < 0) { |
| 3117 | smblib_err(chg, "Couldn't read TYPE_C_STATUS_4 rc=%d\n", rc); |
| 3118 | return; |
| 3119 | } |
| 3120 | /* suspend usb if sink */ |
| 3121 | if ((stat & SNK_SRC_MODE_BIT) && chg->typec_present) |
| 3122 | vote(chg->usb_icl_votable, OTG_VOTER, true, 0); |
| 3123 | else |
| 3124 | vote(chg->usb_icl_votable, OTG_VOTER, false, 0); |
| 3125 | |
| 3126 | smblib_dbg(chg, PR_INTERRUPT, "IRQ: cc-state-change; Type-C %s detected\n", |
| 3127 | smblib_typec_mode_name[chg->typec_mode]); |
| 3128 | } |
| 3129 | |
| 3130 | static void smblib_usb_typec_change(struct smb_charger *chg) |
| 3131 | { |
| 3132 | int rc; |
| 3133 | u8 stat; |
| 3134 | |
| 3135 | smblib_handle_typec_cc_state_change(chg); |
| 3136 | |
| 3137 | rc = smblib_read(chg, TYPE_C_MISC_STATUS_REG, &stat); |
| 3138 | if (rc < 0) { |
| 3139 | smblib_err(chg, "Couldn't read TYPE_C_STATUS_4 rc=%d\n", rc); |
| 3140 | return; |
| 3141 | } |
| 3142 | |
| 3143 | if (stat & TYPEC_VBUS_ERROR_STATUS_BIT) |
| 3144 | smblib_dbg(chg, PR_INTERRUPT, "IRQ: vbus-error\n"); |
| 3145 | |
| 3146 | power_supply_changed(chg->usb_psy); |
| 3147 | } |
| 3148 | |
| 3149 | irqreturn_t typec_state_change_irq_handler(int irq, void *data) |
| 3150 | { |
| 3151 | struct smb_irq_data *irq_data = data; |
| 3152 | struct smb_charger *chg = irq_data->parent_data; |
| 3153 | |
| 3154 | if (chg->micro_usb_mode) { |
| 3155 | cancel_delayed_work_sync(&chg->uusb_otg_work); |
| 3156 | vote(chg->awake_votable, OTG_DELAY_VOTER, true, 0); |
| 3157 | smblib_dbg(chg, PR_INTERRUPT, "Scheduling OTG work\n"); |
| 3158 | schedule_delayed_work(&chg->uusb_otg_work, |
| 3159 | msecs_to_jiffies(chg->otg_delay_ms)); |
| 3160 | return IRQ_HANDLED; |
| 3161 | } |
| 3162 | |
| 3163 | if (chg->pr_swap_in_progress) { |
| 3164 | smblib_dbg(chg, PR_INTERRUPT, |
| 3165 | "Ignoring since pr_swap_in_progress\n"); |
| 3166 | return IRQ_HANDLED; |
| 3167 | } |
| 3168 | |
| 3169 | mutex_lock(&chg->lock); |
| 3170 | smblib_usb_typec_change(chg); |
| 3171 | mutex_unlock(&chg->lock); |
| 3172 | return IRQ_HANDLED; |
| 3173 | } |
| 3174 | |
| 3175 | irqreturn_t dc_plugin_irq_handler(int irq, void *data) |
| 3176 | { |
| 3177 | struct smb_irq_data *irq_data = data; |
| 3178 | struct smb_charger *chg = irq_data->parent_data; |
| 3179 | |
| 3180 | power_supply_changed(chg->dc_psy); |
| 3181 | return IRQ_HANDLED; |
| 3182 | } |
| 3183 | |
| 3184 | irqreturn_t high_duty_cycle_irq_handler(int irq, void *data) |
| 3185 | { |
| 3186 | struct smb_irq_data *irq_data = data; |
| 3187 | struct smb_charger *chg = irq_data->parent_data; |
| 3188 | |
| 3189 | chg->is_hdc = true; |
| 3190 | /* |
| 3191 | * Disable usb IRQs after the flag set and re-enable IRQs after |
| 3192 | * the flag cleared in the delayed work queue, to avoid any IRQ |
| 3193 | * storming during the delays |
| 3194 | */ |
| 3195 | if (chg->irq_info[HIGH_DUTY_CYCLE_IRQ].irq) |
| 3196 | disable_irq_nosync(chg->irq_info[HIGH_DUTY_CYCLE_IRQ].irq); |
| 3197 | |
| 3198 | schedule_delayed_work(&chg->clear_hdc_work, msecs_to_jiffies(60)); |
| 3199 | |
| 3200 | return IRQ_HANDLED; |
| 3201 | } |
| 3202 | |
| 3203 | static void smblib_bb_removal_work(struct work_struct *work) |
| 3204 | { |
| 3205 | struct smb_charger *chg = container_of(work, struct smb_charger, |
| 3206 | bb_removal_work.work); |
| 3207 | |
| 3208 | vote(chg->usb_icl_votable, BOOST_BACK_VOTER, false, 0); |
| 3209 | vote(chg->awake_votable, BOOST_BACK_VOTER, false, 0); |
| 3210 | } |
| 3211 | |
| 3212 | #define BOOST_BACK_UNVOTE_DELAY_MS 750 |
| 3213 | #define BOOST_BACK_STORM_COUNT 3 |
| 3214 | #define WEAK_CHG_STORM_COUNT 8 |
| 3215 | irqreturn_t switcher_power_ok_irq_handler(int irq, void *data) |
| 3216 | { |
| 3217 | struct smb_irq_data *irq_data = data; |
| 3218 | struct smb_charger *chg = irq_data->parent_data; |
| 3219 | struct storm_watch *wdata = &irq_data->storm_data; |
| 3220 | int rc, usb_icl; |
| 3221 | u8 stat; |
| 3222 | |
| 3223 | if (!(chg->wa_flags & BOOST_BACK_WA)) |
| 3224 | return IRQ_HANDLED; |
| 3225 | |
| 3226 | rc = smblib_read(chg, POWER_PATH_STATUS_REG, &stat); |
| 3227 | if (rc < 0) { |
| 3228 | smblib_err(chg, "Couldn't read POWER_PATH_STATUS rc=%d\n", rc); |
| 3229 | return IRQ_HANDLED; |
| 3230 | } |
| 3231 | |
| 3232 | /* skip suspending input if its already suspended by some other voter */ |
| 3233 | usb_icl = get_effective_result(chg->usb_icl_votable); |
| 3234 | if ((stat & USE_USBIN_BIT) && usb_icl >= 0 && usb_icl <= USBIN_25MA) |
| 3235 | return IRQ_HANDLED; |
| 3236 | |
| 3237 | if (stat & USE_DCIN_BIT) |
| 3238 | return IRQ_HANDLED; |
| 3239 | |
| 3240 | if (is_storming(&irq_data->storm_data)) { |
| 3241 | /* This could be a weak charger reduce ICL */ |
| 3242 | if (!is_client_vote_enabled(chg->usb_icl_votable, |
| 3243 | WEAK_CHARGER_VOTER)) { |
| 3244 | smblib_err(chg, |
| 3245 | "Weak charger detected: voting %dmA ICL\n", |
| 3246 | *chg->weak_chg_icl_ua / 1000); |
| 3247 | vote(chg->usb_icl_votable, WEAK_CHARGER_VOTER, |
| 3248 | true, *chg->weak_chg_icl_ua); |
| 3249 | /* |
| 3250 | * reset storm data and set the storm threshold |
| 3251 | * to 3 for reverse boost detection. |
| 3252 | */ |
| 3253 | update_storm_count(wdata, BOOST_BACK_STORM_COUNT); |
| 3254 | } else { |
| 3255 | smblib_err(chg, |
| 3256 | "Reverse boost detected: voting 0mA to suspend input\n"); |
| 3257 | vote(chg->usb_icl_votable, BOOST_BACK_VOTER, true, 0); |
| 3258 | vote(chg->awake_votable, BOOST_BACK_VOTER, true, 0); |
| 3259 | /* |
| 3260 | * Remove the boost-back vote after a delay, to avoid |
| 3261 | * permanently suspending the input if the boost-back |
| 3262 | * condition is unintentionally hit. |
| 3263 | */ |
| 3264 | schedule_delayed_work(&chg->bb_removal_work, |
| 3265 | msecs_to_jiffies(BOOST_BACK_UNVOTE_DELAY_MS)); |
| 3266 | } |
| 3267 | } |
| 3268 | |
| 3269 | return IRQ_HANDLED; |
| 3270 | } |
| 3271 | |
| 3272 | irqreturn_t wdog_bark_irq_handler(int irq, void *data) |
| 3273 | { |
| 3274 | struct smb_irq_data *irq_data = data; |
| 3275 | struct smb_charger *chg = irq_data->parent_data; |
| 3276 | int rc; |
| 3277 | |
| 3278 | smblib_dbg(chg, PR_INTERRUPT, "IRQ: %s\n", irq_data->name); |
| 3279 | |
| 3280 | rc = smblib_write(chg, BARK_BITE_WDOG_PET_REG, BARK_BITE_WDOG_PET_BIT); |
| 3281 | if (rc < 0) |
| 3282 | smblib_err(chg, "Couldn't pet the dog rc=%d\n", rc); |
| 3283 | |
| 3284 | if (chg->step_chg_enabled || chg->sw_jeita_enabled) |
| 3285 | power_supply_changed(chg->batt_psy); |
| 3286 | |
| 3287 | return IRQ_HANDLED; |
| 3288 | } |
| 3289 | |
| 3290 | /************** |
| 3291 | * Additional USB PSY getters/setters |
| 3292 | * that call interrupt functions |
| 3293 | ***************/ |
| 3294 | |
| 3295 | int smblib_get_prop_pr_swap_in_progress(struct smb_charger *chg, |
| 3296 | union power_supply_propval *val) |
| 3297 | { |
| 3298 | val->intval = chg->pr_swap_in_progress; |
| 3299 | return 0; |
| 3300 | } |
| 3301 | |
| 3302 | int smblib_set_prop_pr_swap_in_progress(struct smb_charger *chg, |
| 3303 | const union power_supply_propval *val) |
| 3304 | { |
| 3305 | int rc; |
| 3306 | |
| 3307 | chg->pr_swap_in_progress = val->intval; |
| 3308 | |
| 3309 | /* |
| 3310 | * call the cc changed irq to handle real removals while |
| 3311 | * PR_SWAP was in progress |
| 3312 | */ |
| 3313 | smblib_usb_typec_change(chg); |
| 3314 | rc = smblib_masked_write(chg, TYPE_C_DEBOUNCE_OPTION_REG, |
| 3315 | REDUCE_TCCDEBOUNCE_TO_2MS_BIT, |
| 3316 | val->intval ? REDUCE_TCCDEBOUNCE_TO_2MS_BIT : 0); |
| 3317 | if (rc < 0) |
| 3318 | smblib_err(chg, "Couldn't set tCC debounce rc=%d\n", rc); |
| 3319 | return 0; |
| 3320 | } |
| 3321 | |
| 3322 | /*************** |
| 3323 | * Work Queues * |
| 3324 | ***************/ |
| 3325 | static void smblib_uusb_otg_work(struct work_struct *work) |
| 3326 | { |
| 3327 | struct smb_charger *chg = container_of(work, struct smb_charger, |
| 3328 | uusb_otg_work.work); |
| 3329 | int rc; |
| 3330 | u8 stat; |
| 3331 | bool otg; |
| 3332 | |
| 3333 | rc = smblib_read(chg, TYPEC_U_USB_STATUS_REG, &stat); |
| 3334 | if (rc < 0) { |
| 3335 | smblib_err(chg, "Couldn't read TYPE_C_STATUS_3 rc=%d\n", rc); |
| 3336 | goto out; |
| 3337 | } |
| 3338 | |
| 3339 | otg = !!(stat & (U_USB_GROUND_NOVBUS_BIT | U_USB_GROUND_BIT)); |
| 3340 | extcon_set_state_sync(chg->extcon, EXTCON_USB_HOST, otg); |
| 3341 | smblib_dbg(chg, PR_REGISTER, "TYPE_C_STATUS_3 = 0x%02x OTG=%d\n", |
| 3342 | stat, otg); |
| 3343 | power_supply_changed(chg->usb_psy); |
| 3344 | |
| 3345 | out: |
| 3346 | vote(chg->awake_votable, OTG_DELAY_VOTER, false, 0); |
| 3347 | } |
| 3348 | |
| 3349 | static void bms_update_work(struct work_struct *work) |
| 3350 | { |
| 3351 | struct smb_charger *chg = container_of(work, struct smb_charger, |
| 3352 | bms_update_work); |
| 3353 | |
| 3354 | smblib_suspend_on_debug_battery(chg); |
| 3355 | |
| 3356 | if (chg->batt_psy) |
| 3357 | power_supply_changed(chg->batt_psy); |
| 3358 | } |
| 3359 | |
| 3360 | static void pl_update_work(struct work_struct *work) |
| 3361 | { |
| 3362 | struct smb_charger *chg = container_of(work, struct smb_charger, |
| 3363 | pl_update_work); |
| 3364 | |
| 3365 | smblib_stat_sw_override_cfg(chg, false); |
| 3366 | } |
| 3367 | |
| 3368 | static void clear_hdc_work(struct work_struct *work) |
| 3369 | { |
| 3370 | struct smb_charger *chg = container_of(work, struct smb_charger, |
| 3371 | clear_hdc_work.work); |
| 3372 | |
| 3373 | chg->is_hdc = 0; |
| 3374 | if (chg->irq_info[HIGH_DUTY_CYCLE_IRQ].irq) |
| 3375 | enable_irq(chg->irq_info[HIGH_DUTY_CYCLE_IRQ].irq); |
| 3376 | } |
| 3377 | |
| 3378 | static void smblib_icl_change_work(struct work_struct *work) |
| 3379 | { |
| 3380 | struct smb_charger *chg = container_of(work, struct smb_charger, |
| 3381 | icl_change_work.work); |
| 3382 | int rc, settled_ua; |
| 3383 | |
| 3384 | rc = smblib_get_charge_param(chg, &chg->param.icl_stat, &settled_ua); |
| 3385 | if (rc < 0) { |
| 3386 | smblib_err(chg, "Couldn't get ICL status rc=%d\n", rc); |
| 3387 | return; |
| 3388 | } |
| 3389 | |
| 3390 | power_supply_changed(chg->usb_main_psy); |
| 3391 | |
| 3392 | smblib_dbg(chg, PR_INTERRUPT, "icl_settled=%d\n", settled_ua); |
| 3393 | } |
| 3394 | |
| 3395 | static void smblib_pl_enable_work(struct work_struct *work) |
| 3396 | { |
| 3397 | struct smb_charger *chg = container_of(work, struct smb_charger, |
| 3398 | pl_enable_work.work); |
| 3399 | |
| 3400 | smblib_dbg(chg, PR_PARALLEL, "timer expired, enabling parallel\n"); |
| 3401 | vote(chg->pl_disable_votable, PL_DELAY_VOTER, false, 0); |
| 3402 | vote(chg->awake_votable, PL_DELAY_VOTER, false, 0); |
| 3403 | } |
| 3404 | |
| 3405 | static int smblib_create_votables(struct smb_charger *chg) |
| 3406 | { |
| 3407 | int rc = 0; |
| 3408 | |
| 3409 | chg->fcc_votable = find_votable("FCC"); |
| 3410 | if (chg->fcc_votable == NULL) { |
| 3411 | rc = -EINVAL; |
| 3412 | smblib_err(chg, "Couldn't find FCC votable rc=%d\n", rc); |
| 3413 | return rc; |
| 3414 | } |
| 3415 | |
| 3416 | chg->fv_votable = find_votable("FV"); |
| 3417 | if (chg->fv_votable == NULL) { |
| 3418 | rc = -EINVAL; |
| 3419 | smblib_err(chg, "Couldn't find FV votable rc=%d\n", rc); |
| 3420 | return rc; |
| 3421 | } |
| 3422 | |
| 3423 | chg->usb_icl_votable = find_votable("USB_ICL"); |
| 3424 | if (chg->usb_icl_votable == NULL) { |
| 3425 | rc = -EINVAL; |
| 3426 | smblib_err(chg, "Couldn't find USB_ICL votable rc=%d\n", rc); |
| 3427 | return rc; |
| 3428 | } |
| 3429 | |
| 3430 | chg->pl_disable_votable = find_votable("PL_DISABLE"); |
| 3431 | if (chg->pl_disable_votable == NULL) { |
| 3432 | rc = -EINVAL; |
| 3433 | smblib_err(chg, "Couldn't find votable PL_DISABLE rc=%d\n", rc); |
| 3434 | return rc; |
| 3435 | } |
| 3436 | |
| 3437 | chg->pl_enable_votable_indirect = find_votable("PL_ENABLE_INDIRECT"); |
| 3438 | if (chg->pl_enable_votable_indirect == NULL) { |
| 3439 | rc = -EINVAL; |
| 3440 | smblib_err(chg, |
| 3441 | "Couldn't find votable PL_ENABLE_INDIRECT rc=%d\n", |
| 3442 | rc); |
| 3443 | return rc; |
| 3444 | } |
| 3445 | |
| 3446 | vote(chg->pl_disable_votable, PL_DELAY_VOTER, true, 0); |
| 3447 | |
| 3448 | chg->dc_suspend_votable = create_votable("DC_SUSPEND", VOTE_SET_ANY, |
| 3449 | smblib_dc_suspend_vote_callback, |
| 3450 | chg); |
| 3451 | if (IS_ERR(chg->dc_suspend_votable)) { |
| 3452 | rc = PTR_ERR(chg->dc_suspend_votable); |
| 3453 | chg->dc_suspend_votable = NULL; |
| 3454 | return rc; |
| 3455 | } |
| 3456 | |
| 3457 | chg->pd_disallowed_votable_indirect |
| 3458 | = create_votable("PD_DISALLOWED_INDIRECT", VOTE_SET_ANY, |
| 3459 | smblib_pd_disallowed_votable_indirect_callback, chg); |
| 3460 | if (IS_ERR(chg->pd_disallowed_votable_indirect)) { |
| 3461 | rc = PTR_ERR(chg->pd_disallowed_votable_indirect); |
| 3462 | chg->pd_disallowed_votable_indirect = NULL; |
| 3463 | return rc; |
| 3464 | } |
| 3465 | |
| 3466 | chg->pd_allowed_votable = create_votable("PD_ALLOWED", |
| 3467 | VOTE_SET_ANY, NULL, NULL); |
| 3468 | if (IS_ERR(chg->pd_allowed_votable)) { |
| 3469 | rc = PTR_ERR(chg->pd_allowed_votable); |
| 3470 | chg->pd_allowed_votable = NULL; |
| 3471 | return rc; |
| 3472 | } |
| 3473 | |
| 3474 | chg->awake_votable = create_votable("AWAKE", VOTE_SET_ANY, |
| 3475 | smblib_awake_vote_callback, |
| 3476 | chg); |
| 3477 | if (IS_ERR(chg->awake_votable)) { |
| 3478 | rc = PTR_ERR(chg->awake_votable); |
| 3479 | chg->awake_votable = NULL; |
| 3480 | return rc; |
| 3481 | } |
| 3482 | |
| 3483 | chg->chg_disable_votable = create_votable("CHG_DISABLE", VOTE_SET_ANY, |
| 3484 | smblib_chg_disable_vote_callback, |
| 3485 | chg); |
| 3486 | if (IS_ERR(chg->chg_disable_votable)) { |
| 3487 | rc = PTR_ERR(chg->chg_disable_votable); |
| 3488 | chg->chg_disable_votable = NULL; |
| 3489 | return rc; |
| 3490 | } |
| 3491 | |
| 3492 | chg->usb_irq_enable_votable = create_votable("USB_IRQ_DISABLE", |
| 3493 | VOTE_SET_ANY, |
| 3494 | smblib_usb_irq_enable_vote_callback, |
| 3495 | chg); |
| 3496 | if (IS_ERR(chg->usb_irq_enable_votable)) { |
| 3497 | rc = PTR_ERR(chg->usb_irq_enable_votable); |
| 3498 | chg->usb_irq_enable_votable = NULL; |
| 3499 | return rc; |
| 3500 | } |
| 3501 | |
| 3502 | return rc; |
| 3503 | } |
| 3504 | |
| 3505 | static void smblib_destroy_votables(struct smb_charger *chg) |
| 3506 | { |
| 3507 | if (chg->dc_suspend_votable) |
| 3508 | destroy_votable(chg->dc_suspend_votable); |
| 3509 | if (chg->usb_icl_votable) |
| 3510 | destroy_votable(chg->usb_icl_votable); |
| 3511 | if (chg->pd_disallowed_votable_indirect) |
| 3512 | destroy_votable(chg->pd_disallowed_votable_indirect); |
| 3513 | if (chg->pd_allowed_votable) |
| 3514 | destroy_votable(chg->pd_allowed_votable); |
| 3515 | if (chg->awake_votable) |
| 3516 | destroy_votable(chg->awake_votable); |
| 3517 | if (chg->chg_disable_votable) |
| 3518 | destroy_votable(chg->chg_disable_votable); |
| 3519 | } |
| 3520 | |
| 3521 | int smblib_init(struct smb_charger *chg) |
| 3522 | { |
| 3523 | int rc = 0; |
| 3524 | |
| 3525 | mutex_init(&chg->lock); |
| 3526 | mutex_init(&chg->otg_oc_lock); |
| 3527 | INIT_WORK(&chg->bms_update_work, bms_update_work); |
| 3528 | INIT_WORK(&chg->pl_update_work, pl_update_work); |
| 3529 | INIT_DELAYED_WORK(&chg->clear_hdc_work, clear_hdc_work); |
| 3530 | INIT_DELAYED_WORK(&chg->icl_change_work, smblib_icl_change_work); |
| 3531 | INIT_DELAYED_WORK(&chg->pl_enable_work, smblib_pl_enable_work); |
| 3532 | INIT_DELAYED_WORK(&chg->uusb_otg_work, smblib_uusb_otg_work); |
| 3533 | INIT_DELAYED_WORK(&chg->bb_removal_work, smblib_bb_removal_work); |
| 3534 | chg->fake_capacity = -EINVAL; |
| 3535 | chg->fake_input_current_limited = -EINVAL; |
| 3536 | chg->fake_batt_status = -EINVAL; |
| 3537 | |
| 3538 | switch (chg->mode) { |
| 3539 | case PARALLEL_MASTER: |
| 3540 | rc = qcom_batt_init(); |
| 3541 | if (rc < 0) { |
| 3542 | smblib_err(chg, "Couldn't init qcom_batt_init rc=%d\n", |
| 3543 | rc); |
| 3544 | return rc; |
| 3545 | } |
| 3546 | |
| 3547 | rc = qcom_step_chg_init(chg->dev, chg->step_chg_enabled, |
| 3548 | chg->sw_jeita_enabled); |
| 3549 | if (rc < 0) { |
| 3550 | smblib_err(chg, "Couldn't init qcom_step_chg_init rc=%d\n", |
| 3551 | rc); |
| 3552 | return rc; |
| 3553 | } |
| 3554 | |
| 3555 | rc = smblib_create_votables(chg); |
| 3556 | if (rc < 0) { |
| 3557 | smblib_err(chg, "Couldn't create votables rc=%d\n", |
| 3558 | rc); |
| 3559 | return rc; |
| 3560 | } |
| 3561 | |
| 3562 | rc = smblib_register_notifier(chg); |
| 3563 | if (rc < 0) { |
| 3564 | smblib_err(chg, |
| 3565 | "Couldn't register notifier rc=%d\n", rc); |
| 3566 | return rc; |
| 3567 | } |
| 3568 | |
| 3569 | chg->bms_psy = power_supply_get_by_name("bms"); |
| 3570 | chg->pl.psy = power_supply_get_by_name("parallel"); |
| 3571 | if (chg->pl.psy) { |
| 3572 | rc = smblib_stat_sw_override_cfg(chg, false); |
| 3573 | if (rc < 0) { |
| 3574 | smblib_err(chg, |
| 3575 | "Couldn't config stat sw rc=%d\n", rc); |
| 3576 | return rc; |
| 3577 | } |
| 3578 | } |
| 3579 | break; |
| 3580 | case PARALLEL_SLAVE: |
| 3581 | break; |
| 3582 | default: |
| 3583 | smblib_err(chg, "Unsupported mode %d\n", chg->mode); |
| 3584 | return -EINVAL; |
| 3585 | } |
| 3586 | |
| 3587 | return rc; |
| 3588 | } |
| 3589 | |
| 3590 | int smblib_deinit(struct smb_charger *chg) |
| 3591 | { |
| 3592 | switch (chg->mode) { |
| 3593 | case PARALLEL_MASTER: |
| 3594 | cancel_work_sync(&chg->bms_update_work); |
| 3595 | cancel_work_sync(&chg->pl_update_work); |
| 3596 | cancel_delayed_work_sync(&chg->clear_hdc_work); |
| 3597 | cancel_delayed_work_sync(&chg->icl_change_work); |
| 3598 | cancel_delayed_work_sync(&chg->pl_enable_work); |
| 3599 | cancel_delayed_work_sync(&chg->uusb_otg_work); |
| 3600 | cancel_delayed_work_sync(&chg->bb_removal_work); |
| 3601 | power_supply_unreg_notifier(&chg->nb); |
| 3602 | smblib_destroy_votables(chg); |
| 3603 | qcom_step_chg_deinit(); |
| 3604 | qcom_batt_deinit(); |
| 3605 | break; |
| 3606 | case PARALLEL_SLAVE: |
| 3607 | break; |
| 3608 | default: |
| 3609 | smblib_err(chg, "Unsupported mode %d\n", chg->mode); |
| 3610 | return -EINVAL; |
| 3611 | } |
| 3612 | |
| 3613 | return 0; |
| 3614 | } |