Harry Yang | 3b113a5 | 2016-12-08 12:37:40 -0800 | [diff] [blame] | 1 | /* Copyright (c) 2016-2017 The Linux Foundation. All rights reserved. |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 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> |
Harry Yang | 360bd53 | 2016-09-26 11:03:22 -0700 | [diff] [blame] | 15 | #include <linux/delay.h> |
Harry Yang | ba874ce | 2016-08-19 14:17:01 -0700 | [diff] [blame] | 16 | #include <linux/iio/consumer.h> |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 17 | #include <linux/power_supply.h> |
| 18 | #include <linux/regulator/driver.h> |
Abhijeet Dharmapurikar | 7442e42 | 2017-02-08 13:35:14 -0800 | [diff] [blame] | 19 | #include <linux/qpnp/qpnp-revid.h> |
David Collins | 4879844 | 2017-01-05 13:03:36 -0800 | [diff] [blame] | 20 | #include <linux/input/qpnp-power-on.h> |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 21 | #include <linux/irq.h> |
| 22 | #include "smb-lib.h" |
| 23 | #include "smb-reg.h" |
Nicholas Troast | 47ae461 | 2016-08-03 09:49:36 -0700 | [diff] [blame] | 24 | #include "storm-watch.h" |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 25 | #include "pmic-voter.h" |
| 26 | |
Abhijeet Dharmapurikar | 31b98f3 | 2016-10-14 12:25:23 -0700 | [diff] [blame] | 27 | #define smblib_err(chg, fmt, ...) \ |
| 28 | pr_err("%s: %s: " fmt, chg->name, \ |
| 29 | __func__, ##__VA_ARGS__) \ |
| 30 | |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 31 | #define smblib_dbg(chg, reason, fmt, ...) \ |
| 32 | do { \ |
| 33 | if (*chg->debug_mask & (reason)) \ |
Abhijeet Dharmapurikar | 31b98f3 | 2016-10-14 12:25:23 -0700 | [diff] [blame] | 34 | pr_info("%s: %s: " fmt, chg->name, \ |
| 35 | __func__, ##__VA_ARGS__); \ |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 36 | else \ |
Abhijeet Dharmapurikar | 31b98f3 | 2016-10-14 12:25:23 -0700 | [diff] [blame] | 37 | pr_debug("%s: %s: " fmt, chg->name, \ |
| 38 | __func__, ##__VA_ARGS__); \ |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 39 | } while (0) |
| 40 | |
| 41 | static bool is_secure(struct smb_charger *chg, int addr) |
| 42 | { |
Anirudh Ghayal | 4da3df9 | 2017-01-25 18:55:57 +0530 | [diff] [blame] | 43 | if (addr == SHIP_MODE_REG || addr == FREQ_CLK_DIV_REG) |
Fenglin Wu | edd7079 | 2016-11-22 13:16:19 +0800 | [diff] [blame] | 44 | return true; |
Harry Yang | 47bd385 | 2016-10-17 10:37:12 -0700 | [diff] [blame] | 45 | /* assume everything above 0xA0 is secure */ |
| 46 | return (bool)((addr & 0xFF) >= 0xA0); |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 47 | } |
| 48 | |
| 49 | int smblib_read(struct smb_charger *chg, u16 addr, u8 *val) |
| 50 | { |
| 51 | unsigned int temp; |
| 52 | int rc = 0; |
| 53 | |
| 54 | rc = regmap_read(chg->regmap, addr, &temp); |
| 55 | if (rc >= 0) |
| 56 | *val = (u8)temp; |
| 57 | |
| 58 | return rc; |
| 59 | } |
| 60 | |
| 61 | int smblib_masked_write(struct smb_charger *chg, u16 addr, u8 mask, u8 val) |
| 62 | { |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 63 | int rc = 0; |
| 64 | |
Harry Yang | bacd222 | 2016-05-11 16:43:51 -0700 | [diff] [blame] | 65 | mutex_lock(&chg->write_lock); |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 66 | if (is_secure(chg, addr)) { |
| 67 | rc = regmap_write(chg->regmap, (addr & 0xFF00) | 0xD0, 0xA5); |
| 68 | if (rc < 0) |
| 69 | goto unlock; |
| 70 | } |
| 71 | |
| 72 | rc = regmap_update_bits(chg->regmap, addr, mask, val); |
| 73 | |
| 74 | unlock: |
Harry Yang | bacd222 | 2016-05-11 16:43:51 -0700 | [diff] [blame] | 75 | mutex_unlock(&chg->write_lock); |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 76 | return rc; |
| 77 | } |
| 78 | |
| 79 | int smblib_write(struct smb_charger *chg, u16 addr, u8 val) |
| 80 | { |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 81 | int rc = 0; |
| 82 | |
Harry Yang | bacd222 | 2016-05-11 16:43:51 -0700 | [diff] [blame] | 83 | mutex_lock(&chg->write_lock); |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 84 | |
| 85 | if (is_secure(chg, addr)) { |
| 86 | rc = regmap_write(chg->regmap, (addr & ~(0xFF)) | 0xD0, 0xA5); |
| 87 | if (rc < 0) |
| 88 | goto unlock; |
| 89 | } |
| 90 | |
| 91 | rc = regmap_write(chg->regmap, addr, val); |
| 92 | |
| 93 | unlock: |
Harry Yang | bacd222 | 2016-05-11 16:43:51 -0700 | [diff] [blame] | 94 | mutex_unlock(&chg->write_lock); |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 95 | return rc; |
| 96 | } |
| 97 | |
Abhijeet Dharmapurikar | c0b0f59 | 2016-10-14 10:55:42 -0700 | [diff] [blame] | 98 | static int smblib_get_step_cc_delta(struct smb_charger *chg, int *cc_delta_ua) |
Harry Yang | fe91384 | 2016-08-10 12:27:28 -0700 | [diff] [blame] | 99 | { |
Abhijeet Dharmapurikar | c0b0f59 | 2016-10-14 10:55:42 -0700 | [diff] [blame] | 100 | int rc, step_state; |
Harry Yang | fe91384 | 2016-08-10 12:27:28 -0700 | [diff] [blame] | 101 | u8 stat; |
| 102 | |
| 103 | if (!chg->step_chg_enabled) { |
Abhijeet Dharmapurikar | c0b0f59 | 2016-10-14 10:55:42 -0700 | [diff] [blame] | 104 | *cc_delta_ua = 0; |
Harry Yang | fe91384 | 2016-08-10 12:27:28 -0700 | [diff] [blame] | 105 | return 0; |
| 106 | } |
| 107 | |
| 108 | rc = smblib_read(chg, BATTERY_CHARGER_STATUS_1_REG, &stat); |
| 109 | if (rc < 0) { |
Abhijeet Dharmapurikar | 31b98f3 | 2016-10-14 12:25:23 -0700 | [diff] [blame] | 110 | smblib_err(chg, "Couldn't read BATTERY_CHARGER_STATUS_1 rc=%d\n", |
Harry Yang | fe91384 | 2016-08-10 12:27:28 -0700 | [diff] [blame] | 111 | rc); |
| 112 | return rc; |
| 113 | } |
| 114 | |
Harry Yang | bedee33 | 2016-08-31 16:14:29 -0700 | [diff] [blame] | 115 | step_state = (stat & STEP_CHARGING_STATUS_MASK) >> |
| 116 | STEP_CHARGING_STATUS_SHIFT; |
Harry Yang | fe91384 | 2016-08-10 12:27:28 -0700 | [diff] [blame] | 117 | rc = smblib_get_charge_param(chg, &chg->param.step_cc_delta[step_state], |
Abhijeet Dharmapurikar | c0b0f59 | 2016-10-14 10:55:42 -0700 | [diff] [blame] | 118 | cc_delta_ua); |
| 119 | if (rc < 0) { |
| 120 | smblib_err(chg, "Couldn't get step cc delta rc=%d\n", rc); |
| 121 | return rc; |
Abhijeet Dharmapurikar | 2644cd6 | 2016-07-20 16:54:55 -0700 | [diff] [blame] | 122 | } |
| 123 | |
Abhijeet Dharmapurikar | c0b0f59 | 2016-10-14 10:55:42 -0700 | [diff] [blame] | 124 | return 0; |
| 125 | } |
Harry Yang | fe91384 | 2016-08-10 12:27:28 -0700 | [diff] [blame] | 126 | |
Abhijeet Dharmapurikar | c0b0f59 | 2016-10-14 10:55:42 -0700 | [diff] [blame] | 127 | static int smblib_get_jeita_cc_delta(struct smb_charger *chg, int *cc_delta_ua) |
| 128 | { |
| 129 | int rc, cc_minus_ua; |
| 130 | u8 stat; |
Harry Yang | fe91384 | 2016-08-10 12:27:28 -0700 | [diff] [blame] | 131 | |
Abhijeet Dharmapurikar | c0b0f59 | 2016-10-14 10:55:42 -0700 | [diff] [blame] | 132 | rc = smblib_read(chg, BATTERY_CHARGER_STATUS_2_REG, &stat); |
| 133 | if (rc < 0) { |
| 134 | smblib_err(chg, "Couldn't read BATTERY_CHARGER_STATUS_2 rc=%d\n", |
| 135 | rc); |
| 136 | return rc; |
| 137 | } |
| 138 | |
| 139 | if (!(stat & BAT_TEMP_STATUS_SOFT_LIMIT_MASK)) { |
| 140 | *cc_delta_ua = 0; |
| 141 | return 0; |
| 142 | } |
| 143 | |
| 144 | rc = smblib_get_charge_param(chg, &chg->param.jeita_cc_comp, |
| 145 | &cc_minus_ua); |
| 146 | if (rc < 0) { |
| 147 | smblib_err(chg, "Couldn't get jeita cc minus rc=%d\n", rc); |
| 148 | return rc; |
| 149 | } |
| 150 | |
| 151 | *cc_delta_ua = -cc_minus_ua; |
| 152 | return 0; |
| 153 | } |
| 154 | |
Abhijeet Dharmapurikar | 74021fc | 2017-02-06 18:39:19 -0800 | [diff] [blame] | 155 | int smblib_icl_override(struct smb_charger *chg, bool override) |
| 156 | { |
| 157 | int rc; |
| 158 | bool override_status; |
| 159 | u8 stat; |
Abhijeet Dharmapurikar | 7442e42 | 2017-02-08 13:35:14 -0800 | [diff] [blame] | 160 | u16 reg; |
Abhijeet Dharmapurikar | 74021fc | 2017-02-06 18:39:19 -0800 | [diff] [blame] | 161 | |
Abhijeet Dharmapurikar | 7442e42 | 2017-02-08 13:35:14 -0800 | [diff] [blame] | 162 | switch (chg->smb_version) { |
| 163 | case PMI8998_SUBTYPE: |
| 164 | reg = APSD_RESULT_STATUS_REG; |
| 165 | break; |
| 166 | case PM660_SUBTYPE: |
| 167 | reg = AICL_STATUS_REG; |
| 168 | break; |
| 169 | default: |
| 170 | smblib_dbg(chg, PR_MISC, "Unknown chip version=%x\n", |
| 171 | chg->smb_version); |
| 172 | return -EINVAL; |
| 173 | } |
| 174 | |
| 175 | rc = smblib_read(chg, reg, &stat); |
Abhijeet Dharmapurikar | 74021fc | 2017-02-06 18:39:19 -0800 | [diff] [blame] | 176 | if (rc < 0) { |
Abhijeet Dharmapurikar | 7442e42 | 2017-02-08 13:35:14 -0800 | [diff] [blame] | 177 | smblib_err(chg, "Couldn't read reg=%x rc=%d\n", reg, rc); |
Abhijeet Dharmapurikar | 74021fc | 2017-02-06 18:39:19 -0800 | [diff] [blame] | 178 | return rc; |
| 179 | } |
| 180 | override_status = (bool)(stat & ICL_OVERRIDE_LATCH_BIT); |
| 181 | |
| 182 | if (override != override_status) { |
| 183 | rc = smblib_masked_write(chg, CMD_APSD_REG, |
| 184 | ICL_OVERRIDE_BIT, ICL_OVERRIDE_BIT); |
| 185 | if (rc < 0) { |
| 186 | smblib_err(chg, "Couldn't override ICL rc=%d\n", rc); |
| 187 | return rc; |
| 188 | } |
| 189 | } |
| 190 | return 0; |
| 191 | } |
| 192 | |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 193 | /******************** |
| 194 | * REGISTER GETTERS * |
| 195 | ********************/ |
| 196 | |
Nicholas Troast | 4c31049 | 2016-05-12 17:56:35 -0700 | [diff] [blame] | 197 | int smblib_get_charge_param(struct smb_charger *chg, |
| 198 | struct smb_chg_param *param, int *val_u) |
| 199 | { |
| 200 | int rc = 0; |
| 201 | u8 val_raw; |
| 202 | |
| 203 | rc = smblib_read(chg, param->reg, &val_raw); |
| 204 | if (rc < 0) { |
Abhijeet Dharmapurikar | 31b98f3 | 2016-10-14 12:25:23 -0700 | [diff] [blame] | 205 | smblib_err(chg, "%s: Couldn't read from 0x%04x rc=%d\n", |
Nicholas Troast | 4c31049 | 2016-05-12 17:56:35 -0700 | [diff] [blame] | 206 | param->name, param->reg, rc); |
| 207 | return rc; |
| 208 | } |
| 209 | |
Harry Yang | f8b4125 | 2016-08-10 14:21:10 -0700 | [diff] [blame] | 210 | if (param->get_proc) |
| 211 | *val_u = param->get_proc(param, val_raw); |
| 212 | else |
| 213 | *val_u = val_raw * param->step_u + param->min_u; |
Nicholas Troast | 4c31049 | 2016-05-12 17:56:35 -0700 | [diff] [blame] | 214 | smblib_dbg(chg, PR_REGISTER, "%s = %d (0x%02x)\n", |
| 215 | param->name, *val_u, val_raw); |
| 216 | |
| 217 | return rc; |
| 218 | } |
| 219 | |
| 220 | int smblib_get_usb_suspend(struct smb_charger *chg, int *suspend) |
| 221 | { |
| 222 | int rc = 0; |
| 223 | u8 temp; |
| 224 | |
| 225 | rc = smblib_read(chg, USBIN_CMD_IL_REG, &temp); |
| 226 | if (rc < 0) { |
Abhijeet Dharmapurikar | 31b98f3 | 2016-10-14 12:25:23 -0700 | [diff] [blame] | 227 | smblib_err(chg, "Couldn't read USBIN_CMD_IL rc=%d\n", rc); |
Nicholas Troast | 4c31049 | 2016-05-12 17:56:35 -0700 | [diff] [blame] | 228 | return rc; |
| 229 | } |
| 230 | *suspend = temp & USBIN_SUSPEND_BIT; |
| 231 | |
| 232 | return rc; |
| 233 | } |
| 234 | |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 235 | struct apsd_result { |
| 236 | const char * const name; |
| 237 | const u8 bit; |
| 238 | const enum power_supply_type pst; |
| 239 | }; |
| 240 | |
Abhijeet Dharmapurikar | f0b0a04 | 2016-10-10 16:43:43 -0700 | [diff] [blame] | 241 | enum { |
| 242 | UNKNOWN, |
| 243 | SDP, |
| 244 | CDP, |
| 245 | DCP, |
| 246 | OCP, |
| 247 | FLOAT, |
| 248 | HVDCP2, |
| 249 | HVDCP3, |
| 250 | MAX_TYPES |
| 251 | }; |
| 252 | |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 253 | static const struct apsd_result const smblib_apsd_results[] = { |
Abhijeet Dharmapurikar | f0b0a04 | 2016-10-10 16:43:43 -0700 | [diff] [blame] | 254 | [UNKNOWN] = { |
| 255 | .name = "UNKNOWN", |
| 256 | .bit = 0, |
| 257 | .pst = POWER_SUPPLY_TYPE_UNKNOWN |
| 258 | }, |
| 259 | [SDP] = { |
| 260 | .name = "SDP", |
| 261 | .bit = SDP_CHARGER_BIT, |
| 262 | .pst = POWER_SUPPLY_TYPE_USB |
| 263 | }, |
| 264 | [CDP] = { |
| 265 | .name = "CDP", |
| 266 | .bit = CDP_CHARGER_BIT, |
| 267 | .pst = POWER_SUPPLY_TYPE_USB_CDP |
| 268 | }, |
| 269 | [DCP] = { |
| 270 | .name = "DCP", |
| 271 | .bit = DCP_CHARGER_BIT, |
| 272 | .pst = POWER_SUPPLY_TYPE_USB_DCP |
| 273 | }, |
| 274 | [OCP] = { |
| 275 | .name = "OCP", |
| 276 | .bit = OCP_CHARGER_BIT, |
| 277 | .pst = POWER_SUPPLY_TYPE_USB_DCP |
| 278 | }, |
| 279 | [FLOAT] = { |
| 280 | .name = "FLOAT", |
| 281 | .bit = FLOAT_CHARGER_BIT, |
| 282 | .pst = POWER_SUPPLY_TYPE_USB_DCP |
| 283 | }, |
| 284 | [HVDCP2] = { |
| 285 | .name = "HVDCP2", |
| 286 | .bit = DCP_CHARGER_BIT | QC_2P0_BIT, |
| 287 | .pst = POWER_SUPPLY_TYPE_USB_HVDCP |
| 288 | }, |
| 289 | [HVDCP3] = { |
| 290 | .name = "HVDCP3", |
| 291 | .bit = DCP_CHARGER_BIT | QC_3P0_BIT, |
| 292 | .pst = POWER_SUPPLY_TYPE_USB_HVDCP_3, |
| 293 | }, |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 294 | }; |
| 295 | |
| 296 | static const struct apsd_result *smblib_get_apsd_result(struct smb_charger *chg) |
| 297 | { |
| 298 | int rc, i; |
Abhijeet Dharmapurikar | f0b0a04 | 2016-10-10 16:43:43 -0700 | [diff] [blame] | 299 | u8 apsd_stat, stat; |
| 300 | const struct apsd_result *result = &smblib_apsd_results[UNKNOWN]; |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 301 | |
Abhijeet Dharmapurikar | f0b0a04 | 2016-10-10 16:43:43 -0700 | [diff] [blame] | 302 | rc = smblib_read(chg, APSD_STATUS_REG, &apsd_stat); |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 303 | if (rc < 0) { |
Abhijeet Dharmapurikar | 31b98f3 | 2016-10-14 12:25:23 -0700 | [diff] [blame] | 304 | smblib_err(chg, "Couldn't read APSD_STATUS rc=%d\n", rc); |
Abhijeet Dharmapurikar | f0b0a04 | 2016-10-10 16:43:43 -0700 | [diff] [blame] | 305 | return result; |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 306 | } |
Abhijeet Dharmapurikar | f0b0a04 | 2016-10-10 16:43:43 -0700 | [diff] [blame] | 307 | smblib_dbg(chg, PR_REGISTER, "APSD_STATUS = 0x%02x\n", apsd_stat); |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 308 | |
Abhijeet Dharmapurikar | f0b0a04 | 2016-10-10 16:43:43 -0700 | [diff] [blame] | 309 | if (!(apsd_stat & APSD_DTC_STATUS_DONE_BIT)) |
| 310 | return result; |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 311 | |
| 312 | rc = smblib_read(chg, APSD_RESULT_STATUS_REG, &stat); |
| 313 | if (rc < 0) { |
Abhijeet Dharmapurikar | 31b98f3 | 2016-10-14 12:25:23 -0700 | [diff] [blame] | 314 | smblib_err(chg, "Couldn't read APSD_RESULT_STATUS rc=%d\n", |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 315 | rc); |
Abhijeet Dharmapurikar | f0b0a04 | 2016-10-10 16:43:43 -0700 | [diff] [blame] | 316 | return result; |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 317 | } |
| 318 | stat &= APSD_RESULT_STATUS_MASK; |
| 319 | |
| 320 | for (i = 0; i < ARRAY_SIZE(smblib_apsd_results); i++) { |
| 321 | if (smblib_apsd_results[i].bit == stat) |
Abhijeet Dharmapurikar | f0b0a04 | 2016-10-10 16:43:43 -0700 | [diff] [blame] | 322 | result = &smblib_apsd_results[i]; |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 323 | } |
| 324 | |
Abhijeet Dharmapurikar | f0b0a04 | 2016-10-10 16:43:43 -0700 | [diff] [blame] | 325 | if (apsd_stat & QC_CHARGER_BIT) { |
| 326 | /* since its a qc_charger, either return HVDCP3 or HVDCP2 */ |
| 327 | if (result != &smblib_apsd_results[HVDCP3]) |
| 328 | result = &smblib_apsd_results[HVDCP2]; |
| 329 | } |
| 330 | |
| 331 | return result; |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 332 | } |
| 333 | |
| 334 | |
| 335 | /******************** |
| 336 | * REGISTER SETTERS * |
| 337 | ********************/ |
| 338 | |
Anirudh Ghayal | 4da3df9 | 2017-01-25 18:55:57 +0530 | [diff] [blame] | 339 | static int chg_freq_list[] = { |
| 340 | 9600, 9600, 6400, 4800, 3800, 3200, 2700, 2400, 2100, 1900, 1700, |
| 341 | 1600, 1500, 1400, 1300, 1200, |
| 342 | }; |
| 343 | |
| 344 | int smblib_set_chg_freq(struct smb_chg_param *param, |
| 345 | int val_u, u8 *val_raw) |
| 346 | { |
| 347 | u8 i; |
| 348 | |
| 349 | if (val_u > param->max_u || val_u < param->min_u) |
| 350 | return -EINVAL; |
| 351 | |
| 352 | /* Charger FSW is the configured freqency / 2 */ |
| 353 | val_u *= 2; |
| 354 | for (i = 0; i < ARRAY_SIZE(chg_freq_list); i++) { |
| 355 | if (chg_freq_list[i] == val_u) |
| 356 | break; |
| 357 | } |
| 358 | if (i == ARRAY_SIZE(chg_freq_list)) { |
| 359 | pr_err("Invalid frequency %d Hz\n", val_u / 2); |
| 360 | return -EINVAL; |
| 361 | } |
| 362 | |
| 363 | *val_raw = i; |
| 364 | |
| 365 | return 0; |
| 366 | } |
| 367 | |
| 368 | static int smblib_set_opt_freq_buck(struct smb_charger *chg, int fsw_khz) |
| 369 | { |
| 370 | union power_supply_propval pval = {0, }; |
| 371 | int rc = 0; |
| 372 | |
| 373 | rc = smblib_set_charge_param(chg, &chg->param.freq_buck, fsw_khz); |
| 374 | if (rc < 0) |
| 375 | dev_err(chg->dev, "Error in setting freq_buck rc=%d\n", rc); |
| 376 | |
| 377 | if (chg->mode == PARALLEL_MASTER && chg->pl.psy) { |
| 378 | pval.intval = fsw_khz; |
| 379 | rc = power_supply_set_property(chg->pl.psy, |
| 380 | POWER_SUPPLY_PROP_BUCK_FREQ, &pval); |
| 381 | if (rc < 0) { |
| 382 | dev_err(chg->dev, |
| 383 | "Could not set parallel buck_freq rc=%d\n", rc); |
| 384 | return rc; |
| 385 | } |
| 386 | } |
| 387 | |
| 388 | return rc; |
| 389 | } |
| 390 | |
Nicholas Troast | 4c31049 | 2016-05-12 17:56:35 -0700 | [diff] [blame] | 391 | int smblib_set_charge_param(struct smb_charger *chg, |
| 392 | struct smb_chg_param *param, int val_u) |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 393 | { |
| 394 | int rc = 0; |
| 395 | u8 val_raw; |
| 396 | |
Harry Yang | f8b4125 | 2016-08-10 14:21:10 -0700 | [diff] [blame] | 397 | if (param->set_proc) { |
| 398 | rc = param->set_proc(param, val_u, &val_raw); |
| 399 | if (rc < 0) |
| 400 | return -EINVAL; |
| 401 | } else { |
| 402 | if (val_u > param->max_u || val_u < param->min_u) { |
Abhijeet Dharmapurikar | 31b98f3 | 2016-10-14 12:25:23 -0700 | [diff] [blame] | 403 | smblib_err(chg, "%s: %d is out of range [%d, %d]\n", |
Harry Yang | f8b4125 | 2016-08-10 14:21:10 -0700 | [diff] [blame] | 404 | param->name, val_u, param->min_u, param->max_u); |
| 405 | return -EINVAL; |
| 406 | } |
| 407 | |
| 408 | val_raw = (val_u - param->min_u) / param->step_u; |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 409 | } |
| 410 | |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 411 | rc = smblib_write(chg, param->reg, val_raw); |
| 412 | if (rc < 0) { |
Abhijeet Dharmapurikar | 31b98f3 | 2016-10-14 12:25:23 -0700 | [diff] [blame] | 413 | smblib_err(chg, "%s: Couldn't write 0x%02x to 0x%04x rc=%d\n", |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 414 | param->name, val_raw, param->reg, rc); |
| 415 | return rc; |
| 416 | } |
| 417 | |
| 418 | smblib_dbg(chg, PR_REGISTER, "%s = %d (0x%02x)\n", |
| 419 | param->name, val_u, val_raw); |
| 420 | |
| 421 | return rc; |
| 422 | } |
| 423 | |
Harry Yang | fe91384 | 2016-08-10 12:27:28 -0700 | [diff] [blame] | 424 | static int step_charge_soc_update(struct smb_charger *chg, int capacity) |
| 425 | { |
| 426 | int rc = 0; |
| 427 | |
| 428 | rc = smblib_set_charge_param(chg, &chg->param.step_soc, capacity); |
| 429 | if (rc < 0) { |
Abhijeet Dharmapurikar | 31b98f3 | 2016-10-14 12:25:23 -0700 | [diff] [blame] | 430 | smblib_err(chg, "Error in updating soc, rc=%d\n", rc); |
Harry Yang | fe91384 | 2016-08-10 12:27:28 -0700 | [diff] [blame] | 431 | return rc; |
| 432 | } |
| 433 | |
| 434 | rc = smblib_write(chg, STEP_CHG_SOC_VBATT_V_UPDATE_REG, |
| 435 | STEP_CHG_SOC_VBATT_V_UPDATE_BIT); |
| 436 | if (rc < 0) { |
Abhijeet Dharmapurikar | 31b98f3 | 2016-10-14 12:25:23 -0700 | [diff] [blame] | 437 | smblib_err(chg, |
Harry Yang | fe91384 | 2016-08-10 12:27:28 -0700 | [diff] [blame] | 438 | "Couldn't set STEP_CHG_SOC_VBATT_V_UPDATE_REG rc=%d\n", |
| 439 | rc); |
| 440 | return rc; |
| 441 | } |
| 442 | |
| 443 | return rc; |
| 444 | } |
| 445 | |
Nicholas Troast | 4c31049 | 2016-05-12 17:56:35 -0700 | [diff] [blame] | 446 | int smblib_set_usb_suspend(struct smb_charger *chg, bool suspend) |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 447 | { |
| 448 | int rc = 0; |
| 449 | |
| 450 | rc = smblib_masked_write(chg, USBIN_CMD_IL_REG, USBIN_SUSPEND_BIT, |
| 451 | suspend ? USBIN_SUSPEND_BIT : 0); |
| 452 | if (rc < 0) |
Abhijeet Dharmapurikar | 31b98f3 | 2016-10-14 12:25:23 -0700 | [diff] [blame] | 453 | smblib_err(chg, "Couldn't write %s to USBIN_SUSPEND_BIT rc=%d\n", |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 454 | suspend ? "suspend" : "resume", rc); |
| 455 | |
| 456 | return rc; |
| 457 | } |
| 458 | |
Nicholas Troast | 4c31049 | 2016-05-12 17:56:35 -0700 | [diff] [blame] | 459 | int smblib_set_dc_suspend(struct smb_charger *chg, bool suspend) |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 460 | { |
| 461 | int rc = 0; |
| 462 | |
| 463 | rc = smblib_masked_write(chg, DCIN_CMD_IL_REG, DCIN_SUSPEND_BIT, |
| 464 | suspend ? DCIN_SUSPEND_BIT : 0); |
| 465 | if (rc < 0) |
Abhijeet Dharmapurikar | 31b98f3 | 2016-10-14 12:25:23 -0700 | [diff] [blame] | 466 | smblib_err(chg, "Couldn't write %s to DCIN_SUSPEND_BIT rc=%d\n", |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 467 | suspend ? "suspend" : "resume", rc); |
| 468 | |
| 469 | return rc; |
| 470 | } |
| 471 | |
| 472 | #define MICRO_5V 5000000 |
| 473 | #define MICRO_9V 9000000 |
| 474 | #define MICRO_12V 12000000 |
| 475 | static int smblib_set_usb_pd_allowed_voltage(struct smb_charger *chg, |
| 476 | int min_allowed_uv, int max_allowed_uv) |
| 477 | { |
| 478 | int rc; |
| 479 | u8 allowed_voltage; |
| 480 | |
| 481 | if (min_allowed_uv == MICRO_5V && max_allowed_uv == MICRO_5V) { |
| 482 | allowed_voltage = USBIN_ADAPTER_ALLOW_5V; |
Anirudh Ghayal | 4da3df9 | 2017-01-25 18:55:57 +0530 | [diff] [blame] | 483 | smblib_set_opt_freq_buck(chg, chg->chg_freq.freq_5V); |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 484 | } else if (min_allowed_uv == MICRO_9V && max_allowed_uv == MICRO_9V) { |
| 485 | allowed_voltage = USBIN_ADAPTER_ALLOW_9V; |
Anirudh Ghayal | 4da3df9 | 2017-01-25 18:55:57 +0530 | [diff] [blame] | 486 | smblib_set_opt_freq_buck(chg, chg->chg_freq.freq_9V); |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 487 | } else if (min_allowed_uv == MICRO_12V && max_allowed_uv == MICRO_12V) { |
| 488 | allowed_voltage = USBIN_ADAPTER_ALLOW_12V; |
Anirudh Ghayal | 4da3df9 | 2017-01-25 18:55:57 +0530 | [diff] [blame] | 489 | smblib_set_opt_freq_buck(chg, chg->chg_freq.freq_12V); |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 490 | } else if (min_allowed_uv < MICRO_9V && max_allowed_uv <= MICRO_9V) { |
| 491 | allowed_voltage = USBIN_ADAPTER_ALLOW_5V_TO_9V; |
| 492 | } else if (min_allowed_uv < MICRO_9V && max_allowed_uv <= MICRO_12V) { |
| 493 | allowed_voltage = USBIN_ADAPTER_ALLOW_5V_TO_12V; |
| 494 | } else if (min_allowed_uv < MICRO_12V && max_allowed_uv <= MICRO_12V) { |
| 495 | allowed_voltage = USBIN_ADAPTER_ALLOW_9V_TO_12V; |
| 496 | } else { |
Abhijeet Dharmapurikar | 31b98f3 | 2016-10-14 12:25:23 -0700 | [diff] [blame] | 497 | smblib_err(chg, "invalid allowed voltage [%d, %d]\n", |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 498 | min_allowed_uv, max_allowed_uv); |
| 499 | return -EINVAL; |
| 500 | } |
| 501 | |
| 502 | rc = smblib_write(chg, USBIN_ADAPTER_ALLOW_CFG_REG, allowed_voltage); |
| 503 | if (rc < 0) { |
Abhijeet Dharmapurikar | 31b98f3 | 2016-10-14 12:25:23 -0700 | [diff] [blame] | 504 | smblib_err(chg, "Couldn't write 0x%02x to USBIN_ADAPTER_ALLOW_CFG rc=%d\n", |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 505 | allowed_voltage, rc); |
| 506 | return rc; |
| 507 | } |
| 508 | |
| 509 | return rc; |
| 510 | } |
| 511 | |
| 512 | /******************** |
| 513 | * HELPER FUNCTIONS * |
| 514 | ********************/ |
| 515 | |
Abhijeet Dharmapurikar | 716cd96 | 2016-10-14 12:50:37 -0700 | [diff] [blame] | 516 | static int try_rerun_apsd_for_hvdcp(struct smb_charger *chg) |
| 517 | { |
| 518 | const struct apsd_result *apsd_result; |
| 519 | |
| 520 | /* |
| 521 | * PD_INACTIVE_VOTER on hvdcp_disable_votable indicates whether |
| 522 | * apsd rerun was tried earlier |
| 523 | */ |
Ashay Jaiswal | 4aa2c0c | 2016-12-07 19:39:38 +0530 | [diff] [blame] | 524 | if (get_client_vote(chg->hvdcp_disable_votable_indirect, |
| 525 | PD_INACTIVE_VOTER)) { |
| 526 | vote(chg->hvdcp_disable_votable_indirect, |
| 527 | PD_INACTIVE_VOTER, false, 0); |
Abhijeet Dharmapurikar | 716cd96 | 2016-10-14 12:50:37 -0700 | [diff] [blame] | 528 | /* ensure hvdcp is enabled */ |
Ashay Jaiswal | 4aa2c0c | 2016-12-07 19:39:38 +0530 | [diff] [blame] | 529 | if (!get_effective_result( |
| 530 | chg->hvdcp_disable_votable_indirect)) { |
Abhijeet Dharmapurikar | 716cd96 | 2016-10-14 12:50:37 -0700 | [diff] [blame] | 531 | apsd_result = smblib_get_apsd_result(chg); |
Nicholas Troast | 7e7e3ef | 2016-10-28 10:36:45 -0700 | [diff] [blame] | 532 | if (apsd_result->bit & (QC_2P0_BIT | QC_3P0_BIT)) { |
Abhijeet Dharmapurikar | 716cd96 | 2016-10-14 12:50:37 -0700 | [diff] [blame] | 533 | /* rerun APSD */ |
| 534 | smblib_dbg(chg, PR_MISC, "rerun APSD\n"); |
| 535 | smblib_masked_write(chg, CMD_APSD_REG, |
| 536 | APSD_RERUN_BIT, |
| 537 | APSD_RERUN_BIT); |
| 538 | } |
| 539 | } |
| 540 | } |
| 541 | return 0; |
| 542 | } |
| 543 | |
Abhijeet Dharmapurikar | b959887 | 2016-10-17 16:58:58 -0700 | [diff] [blame] | 544 | static const struct apsd_result *smblib_update_usb_type(struct smb_charger *chg) |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 545 | { |
Abhijeet Dharmapurikar | eda0822 | 2016-11-01 11:35:29 -0700 | [diff] [blame] | 546 | const struct apsd_result *apsd_result = smblib_get_apsd_result(chg); |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 547 | |
Jack Pham | 9696e25 | 2016-05-23 11:15:15 -0700 | [diff] [blame] | 548 | /* if PD is active, APSD is disabled so won't have a valid result */ |
Abhijeet Dharmapurikar | 76e2af5 | 2016-10-06 17:25:01 -0700 | [diff] [blame] | 549 | if (chg->pd_active) { |
| 550 | chg->usb_psy_desc.type = POWER_SUPPLY_TYPE_USB_PD; |
Abhijeet Dharmapurikar | eda0822 | 2016-11-01 11:35:29 -0700 | [diff] [blame] | 551 | return apsd_result; |
Abhijeet Dharmapurikar | 76e2af5 | 2016-10-06 17:25:01 -0700 | [diff] [blame] | 552 | } |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 553 | |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 554 | chg->usb_psy_desc.type = apsd_result->pst; |
Abhijeet Dharmapurikar | b959887 | 2016-10-17 16:58:58 -0700 | [diff] [blame] | 555 | return apsd_result; |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 556 | } |
| 557 | |
Harry Yang | 5e1a522 | 2016-07-26 15:16:04 -0700 | [diff] [blame] | 558 | static int smblib_notifier_call(struct notifier_block *nb, |
Harry Yang | 58a9e7a | 2016-06-23 14:54:43 -0700 | [diff] [blame] | 559 | unsigned long ev, void *v) |
Harry Yang | 1d1034c | 2016-06-15 12:09:42 -0700 | [diff] [blame] | 560 | { |
Harry Yang | 58a9e7a | 2016-06-23 14:54:43 -0700 | [diff] [blame] | 561 | struct power_supply *psy = v; |
Harry Yang | 5e1a522 | 2016-07-26 15:16:04 -0700 | [diff] [blame] | 562 | struct smb_charger *chg = container_of(nb, struct smb_charger, nb); |
Harry Yang | 1d1034c | 2016-06-15 12:09:42 -0700 | [diff] [blame] | 563 | |
Harry Yang | 5e1a522 | 2016-07-26 15:16:04 -0700 | [diff] [blame] | 564 | if (!strcmp(psy->desc->name, "bms")) { |
| 565 | if (!chg->bms_psy) |
| 566 | chg->bms_psy = psy; |
Ashay Jaiswal | 2fb369d | 2017-01-12 21:38:29 +0530 | [diff] [blame] | 567 | if (ev == PSY_EVENT_PROP_CHANGED) |
Harry Yang | 5e1a522 | 2016-07-26 15:16:04 -0700 | [diff] [blame] | 568 | schedule_work(&chg->bms_update_work); |
| 569 | } |
| 570 | |
Ashay Jaiswal | 8afedfc | 2017-02-03 11:18:22 +0530 | [diff] [blame] | 571 | if (!chg->pl.psy && !strcmp(psy->desc->name, "parallel")) |
Harry Yang | 58a9e7a | 2016-06-23 14:54:43 -0700 | [diff] [blame] | 572 | chg->pl.psy = psy; |
Harry Yang | 1d1034c | 2016-06-15 12:09:42 -0700 | [diff] [blame] | 573 | |
Harry Yang | 58a9e7a | 2016-06-23 14:54:43 -0700 | [diff] [blame] | 574 | return NOTIFY_OK; |
| 575 | } |
| 576 | |
Harry Yang | 5e1a522 | 2016-07-26 15:16:04 -0700 | [diff] [blame] | 577 | static int smblib_register_notifier(struct smb_charger *chg) |
Harry Yang | 58a9e7a | 2016-06-23 14:54:43 -0700 | [diff] [blame] | 578 | { |
| 579 | int rc; |
| 580 | |
Harry Yang | 5e1a522 | 2016-07-26 15:16:04 -0700 | [diff] [blame] | 581 | chg->nb.notifier_call = smblib_notifier_call; |
| 582 | rc = power_supply_reg_notifier(&chg->nb); |
Harry Yang | 58a9e7a | 2016-06-23 14:54:43 -0700 | [diff] [blame] | 583 | if (rc < 0) { |
Abhijeet Dharmapurikar | 31b98f3 | 2016-10-14 12:25:23 -0700 | [diff] [blame] | 584 | smblib_err(chg, "Couldn't register psy notifier rc = %d\n", rc); |
Harry Yang | 58a9e7a | 2016-06-23 14:54:43 -0700 | [diff] [blame] | 585 | return rc; |
| 586 | } |
| 587 | |
| 588 | return 0; |
Harry Yang | 1d1034c | 2016-06-15 12:09:42 -0700 | [diff] [blame] | 589 | } |
| 590 | |
Harry Yang | fe91384 | 2016-08-10 12:27:28 -0700 | [diff] [blame] | 591 | int smblib_mapping_soc_from_field_value(struct smb_chg_param *param, |
| 592 | int val_u, u8 *val_raw) |
| 593 | { |
| 594 | if (val_u > param->max_u || val_u < param->min_u) |
| 595 | return -EINVAL; |
| 596 | |
| 597 | *val_raw = val_u << 1; |
| 598 | |
| 599 | return 0; |
| 600 | } |
| 601 | |
| 602 | int smblib_mapping_cc_delta_to_field_value(struct smb_chg_param *param, |
| 603 | u8 val_raw) |
| 604 | { |
| 605 | int val_u = val_raw * param->step_u + param->min_u; |
| 606 | |
| 607 | if (val_u > param->max_u) |
| 608 | val_u -= param->max_u * 2; |
| 609 | |
| 610 | return val_u; |
| 611 | } |
| 612 | |
| 613 | int smblib_mapping_cc_delta_from_field_value(struct smb_chg_param *param, |
| 614 | int val_u, u8 *val_raw) |
| 615 | { |
| 616 | if (val_u > param->max_u || val_u < param->min_u - param->max_u) |
| 617 | return -EINVAL; |
| 618 | |
| 619 | val_u += param->max_u * 2 - param->min_u; |
| 620 | val_u %= param->max_u * 2; |
| 621 | *val_raw = val_u / param->step_u; |
| 622 | |
| 623 | return 0; |
| 624 | } |
| 625 | |
Ashay Jaiswal | 4aa2c0c | 2016-12-07 19:39:38 +0530 | [diff] [blame] | 626 | static void smblib_uusb_removal(struct smb_charger *chg) |
| 627 | { |
| 628 | int rc; |
| 629 | |
| 630 | /* reset both usbin current and voltage votes */ |
| 631 | vote(chg->pl_enable_votable_indirect, USBIN_I_VOTER, false, 0); |
| 632 | vote(chg->pl_enable_votable_indirect, USBIN_V_VOTER, false, 0); |
Ashay Jaiswal | 1829fcf | 2017-02-02 22:45:22 +0530 | [diff] [blame] | 633 | vote(chg->pl_disable_votable, PL_DISABLE_HVDCP_VOTER, true, 0); |
Ashay Jaiswal | 4aa2c0c | 2016-12-07 19:39:38 +0530 | [diff] [blame] | 634 | |
| 635 | cancel_delayed_work_sync(&chg->hvdcp_detect_work); |
| 636 | |
| 637 | /* reset AUTH_IRQ_EN_CFG_BIT */ |
| 638 | rc = smblib_masked_write(chg, USBIN_SOURCE_CHANGE_INTRPT_ENB_REG, |
| 639 | AUTH_IRQ_EN_CFG_BIT, AUTH_IRQ_EN_CFG_BIT); |
| 640 | if (rc < 0) |
| 641 | smblib_err(chg, "Couldn't enable QC auth setting rc=%d\n", rc); |
| 642 | |
| 643 | /* reconfigure allowed voltage for HVDCP */ |
| 644 | rc = smblib_write(chg, USBIN_ADAPTER_ALLOW_CFG_REG, |
| 645 | USBIN_ADAPTER_ALLOW_5V_OR_9V_TO_12V); |
| 646 | if (rc < 0) |
| 647 | smblib_err(chg, "Couldn't set USBIN_ADAPTER_ALLOW_5V_OR_9V_TO_12V rc=%d\n", |
| 648 | rc); |
| 649 | |
| 650 | chg->voltage_min_uv = MICRO_5V; |
| 651 | chg->voltage_max_uv = MICRO_5V; |
| 652 | |
| 653 | /* clear USB ICL vote for USB_PSY_VOTER */ |
| 654 | rc = vote(chg->usb_icl_votable, USB_PSY_VOTER, false, 0); |
| 655 | if (rc < 0) |
| 656 | smblib_err(chg, "Couldn't un-vote for USB ICL rc=%d\n", rc); |
Abhijeet Dharmapurikar | 7442e42 | 2017-02-08 13:35:14 -0800 | [diff] [blame] | 657 | |
| 658 | /* clear USB ICL vote for DCP_VOTER */ |
| 659 | rc = vote(chg->usb_icl_votable, DCP_VOTER, false, 0); |
| 660 | if (rc < 0) |
| 661 | smblib_err(chg, |
| 662 | "Couldn't un-vote DCP from USB ICL rc=%d\n", rc); |
| 663 | |
| 664 | /* clear USB ICL vote for PL_USBIN_USBIN_VOTER */ |
| 665 | rc = vote(chg->usb_icl_votable, PL_USBIN_USBIN_VOTER, false, 0); |
| 666 | if (rc < 0) |
| 667 | smblib_err(chg, |
| 668 | "Couldn't un-vote PL_USBIN_USBIN from USB ICL rc=%d\n", |
| 669 | rc); |
Ashay Jaiswal | 4aa2c0c | 2016-12-07 19:39:38 +0530 | [diff] [blame] | 670 | } |
| 671 | |
Harry Yang | 3b113a5 | 2016-12-08 12:37:40 -0800 | [diff] [blame] | 672 | static bool smblib_sysok_reason_usbin(struct smb_charger *chg) |
| 673 | { |
| 674 | int rc; |
| 675 | u8 stat; |
| 676 | |
| 677 | rc = smblib_read(chg, SYSOK_REASON_STATUS_REG, &stat); |
| 678 | if (rc < 0) { |
| 679 | smblib_err(chg, "Couldn't get SYSOK_REASON_STATUS rc=%d\n", rc); |
| 680 | /* assuming 'not usbin' in case of read failure */ |
| 681 | return false; |
| 682 | } |
| 683 | |
| 684 | return stat & SYSOK_REASON_USBIN_BIT; |
| 685 | } |
| 686 | |
Ashay Jaiswal | 2fb369d | 2017-01-12 21:38:29 +0530 | [diff] [blame] | 687 | void smblib_suspend_on_debug_battery(struct smb_charger *chg) |
| 688 | { |
| 689 | int rc; |
| 690 | union power_supply_propval val; |
| 691 | |
Ashay Jaiswal | da8669b | 2017-02-10 23:24:23 +0530 | [diff] [blame^] | 692 | if (!chg->suspend_input_on_debug_batt) |
| 693 | return; |
| 694 | |
Ashay Jaiswal | 2fb369d | 2017-01-12 21:38:29 +0530 | [diff] [blame] | 695 | rc = power_supply_get_property(chg->bms_psy, |
| 696 | POWER_SUPPLY_PROP_DEBUG_BATTERY, &val); |
| 697 | if (rc < 0) { |
| 698 | smblib_err(chg, "Couldn't get debug battery prop rc=%d\n", rc); |
| 699 | return; |
| 700 | } |
| 701 | |
| 702 | vote(chg->usb_suspend_votable, DEBUG_BOARD_VOTER, val.intval, 0); |
| 703 | vote(chg->dc_suspend_votable, DEBUG_BOARD_VOTER, val.intval, 0); |
| 704 | if (val.intval) |
| 705 | pr_info("Input suspended: Fake battery\n"); |
| 706 | } |
| 707 | |
Abhijeet Dharmapurikar | 9dd6129 | 2017-01-25 16:40:08 -0800 | [diff] [blame] | 708 | int smblib_rerun_apsd_if_required(struct smb_charger *chg) |
| 709 | { |
| 710 | const struct apsd_result *apsd_result; |
| 711 | union power_supply_propval val; |
| 712 | int rc; |
| 713 | |
| 714 | rc = smblib_get_prop_usb_present(chg, &val); |
| 715 | if (rc < 0) { |
| 716 | smblib_err(chg, "Couldn't get usb present rc = %d\n", rc); |
| 717 | return rc; |
| 718 | } |
| 719 | |
| 720 | if (!val.intval) |
| 721 | return 0; |
| 722 | |
| 723 | apsd_result = smblib_get_apsd_result(chg); |
| 724 | if ((apsd_result->pst == POWER_SUPPLY_TYPE_UNKNOWN) |
| 725 | || (apsd_result->pst == POWER_SUPPLY_TYPE_USB)) { |
| 726 | /* rerun APSD */ |
| 727 | pr_info("Reruning APSD type = %s at bootup\n", |
| 728 | apsd_result->name); |
| 729 | rc = smblib_masked_write(chg, CMD_APSD_REG, |
| 730 | APSD_RERUN_BIT, |
| 731 | APSD_RERUN_BIT); |
| 732 | if (rc < 0) { |
| 733 | smblib_err(chg, "Couldn't rerun APSD rc = %d\n", rc); |
| 734 | return rc; |
| 735 | } |
| 736 | } |
| 737 | |
| 738 | return 0; |
| 739 | } |
| 740 | |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 741 | /********************* |
| 742 | * VOTABLE CALLBACKS * |
| 743 | *********************/ |
| 744 | |
Abhijeet Dharmapurikar | 8e9e757 | 2016-06-06 16:13:14 -0700 | [diff] [blame] | 745 | static int smblib_usb_suspend_vote_callback(struct votable *votable, void *data, |
Abhijeet Dharmapurikar | ebb5e5c | 2016-05-17 20:09:16 -0700 | [diff] [blame] | 746 | int suspend, const char *client) |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 747 | { |
Abhijeet Dharmapurikar | 8e9e757 | 2016-06-06 16:13:14 -0700 | [diff] [blame] | 748 | struct smb_charger *chg = data; |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 749 | |
Nicholas Troast | abedaf7 | 2016-09-16 11:07:45 -0700 | [diff] [blame] | 750 | /* resume input if suspend is invalid */ |
| 751 | if (suspend < 0) |
| 752 | suspend = 0; |
| 753 | |
| 754 | return smblib_set_usb_suspend(chg, (bool)suspend); |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 755 | } |
| 756 | |
Abhijeet Dharmapurikar | 8e9e757 | 2016-06-06 16:13:14 -0700 | [diff] [blame] | 757 | static int smblib_dc_suspend_vote_callback(struct votable *votable, void *data, |
Abhijeet Dharmapurikar | ebb5e5c | 2016-05-17 20:09:16 -0700 | [diff] [blame] | 758 | int suspend, const char *client) |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 759 | { |
Abhijeet Dharmapurikar | 8e9e757 | 2016-06-06 16:13:14 -0700 | [diff] [blame] | 760 | struct smb_charger *chg = data; |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 761 | |
Nicholas Troast | abedaf7 | 2016-09-16 11:07:45 -0700 | [diff] [blame] | 762 | /* resume input if suspend is invalid */ |
Abhijeet Dharmapurikar | c0ff65a | 2016-06-06 16:45:34 -0700 | [diff] [blame] | 763 | if (suspend < 0) |
Nicholas Troast | abedaf7 | 2016-09-16 11:07:45 -0700 | [diff] [blame] | 764 | suspend = 0; |
Abhijeet Dharmapurikar | c0ff65a | 2016-06-06 16:45:34 -0700 | [diff] [blame] | 765 | |
Nicholas Troast | abedaf7 | 2016-09-16 11:07:45 -0700 | [diff] [blame] | 766 | return smblib_set_dc_suspend(chg, (bool)suspend); |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 767 | } |
| 768 | |
Abhijeet Dharmapurikar | 99fb894 | 2016-07-08 11:39:23 -0700 | [diff] [blame] | 769 | static int smblib_fcc_max_vote_callback(struct votable *votable, void *data, |
| 770 | int fcc_ua, const char *client) |
| 771 | { |
| 772 | struct smb_charger *chg = data; |
| 773 | |
Harry Yang | aba1f5f | 2016-09-28 10:47:29 -0700 | [diff] [blame] | 774 | return vote(chg->fcc_votable, FCC_MAX_RESULT_VOTER, true, fcc_ua); |
Abhijeet Dharmapurikar | 99fb894 | 2016-07-08 11:39:23 -0700 | [diff] [blame] | 775 | } |
| 776 | |
Nicholas Troast | bb76a14 | 2016-09-23 11:23:23 -0700 | [diff] [blame] | 777 | #define USBIN_25MA 25000 |
| 778 | #define USBIN_100MA 100000 |
| 779 | #define USBIN_150MA 150000 |
| 780 | #define USBIN_500MA 500000 |
| 781 | #define USBIN_900MA 900000 |
Abhijeet Dharmapurikar | 8e9e757 | 2016-06-06 16:13:14 -0700 | [diff] [blame] | 782 | static int smblib_usb_icl_vote_callback(struct votable *votable, void *data, |
Abhijeet Dharmapurikar | ebb5e5c | 2016-05-17 20:09:16 -0700 | [diff] [blame] | 783 | int icl_ua, const char *client) |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 784 | { |
Abhijeet Dharmapurikar | 8e9e757 | 2016-06-06 16:13:14 -0700 | [diff] [blame] | 785 | struct smb_charger *chg = data; |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 786 | int rc = 0; |
Abhijeet Dharmapurikar | 74021fc | 2017-02-06 18:39:19 -0800 | [diff] [blame] | 787 | bool suspend, override; |
Nicholas Troast | bb76a14 | 2016-09-23 11:23:23 -0700 | [diff] [blame] | 788 | u8 icl_options = 0; |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 789 | |
Abhijeet Dharmapurikar | 74021fc | 2017-02-06 18:39:19 -0800 | [diff] [blame] | 790 | override = true; |
| 791 | /* remove override if no voters or type = SDP or CDP */ |
| 792 | if (client == NULL |
| 793 | || chg->usb_psy_desc.type == POWER_SUPPLY_TYPE_USB |
| 794 | || chg->usb_psy_desc.type == POWER_SUPPLY_TYPE_USB_CDP) |
| 795 | override = false; |
| 796 | |
| 797 | suspend = false; |
| 798 | if (client && (icl_ua < USBIN_25MA)) |
| 799 | suspend = true; |
| 800 | |
Nicholas Troast | bb76a14 | 2016-09-23 11:23:23 -0700 | [diff] [blame] | 801 | if (suspend) |
| 802 | goto out; |
| 803 | |
| 804 | if (chg->usb_psy_desc.type != POWER_SUPPLY_TYPE_USB) { |
Abhijeet Dharmapurikar | 74021fc | 2017-02-06 18:39:19 -0800 | [diff] [blame] | 805 | if (client) { |
| 806 | rc = smblib_set_charge_param(chg, &chg->param.usb_icl, |
Ashay Jaiswal | 923e6f8 | 2017-02-06 23:31:29 +0530 | [diff] [blame] | 807 | icl_ua - chg->icl_reduction_ua); |
Abhijeet Dharmapurikar | 74021fc | 2017-02-06 18:39:19 -0800 | [diff] [blame] | 808 | if (rc < 0) { |
| 809 | smblib_err(chg, "Couldn't set HC ICL rc=%d\n", |
| 810 | rc); |
| 811 | return rc; |
| 812 | } |
Nicholas Troast | bb76a14 | 2016-09-23 11:23:23 -0700 | [diff] [blame] | 813 | } |
Ashay Jaiswal | 923e6f8 | 2017-02-06 23:31:29 +0530 | [diff] [blame] | 814 | |
| 815 | smblib_dbg(chg, PR_PARALLEL, |
| 816 | "icl_ua=%d icl_reduction=%d\n", |
| 817 | icl_ua, chg->icl_reduction_ua); |
Nicholas Troast | bb76a14 | 2016-09-23 11:23:23 -0700 | [diff] [blame] | 818 | goto out; |
Abhijeet Dharmapurikar | c0ff65a | 2016-06-06 16:45:34 -0700 | [diff] [blame] | 819 | } |
| 820 | |
Nicholas Troast | bb76a14 | 2016-09-23 11:23:23 -0700 | [diff] [blame] | 821 | /* power source is SDP */ |
| 822 | switch (icl_ua) { |
| 823 | case USBIN_100MA: |
| 824 | /* USB 2.0 100mA */ |
| 825 | icl_options = 0; |
| 826 | break; |
| 827 | case USBIN_150MA: |
| 828 | /* USB 3.0 150mA */ |
| 829 | icl_options = CFG_USB3P0_SEL_BIT; |
| 830 | break; |
| 831 | case USBIN_500MA: |
| 832 | /* USB 2.0 500mA */ |
| 833 | icl_options = USB51_MODE_BIT; |
| 834 | break; |
| 835 | case USBIN_900MA: |
| 836 | /* USB 3.0 900mA */ |
| 837 | icl_options = CFG_USB3P0_SEL_BIT | USB51_MODE_BIT; |
| 838 | break; |
| 839 | default: |
Abhijeet Dharmapurikar | 31b98f3 | 2016-10-14 12:25:23 -0700 | [diff] [blame] | 840 | smblib_err(chg, "ICL %duA isn't supported for SDP\n", icl_ua); |
Nicholas Troast | bb76a14 | 2016-09-23 11:23:23 -0700 | [diff] [blame] | 841 | icl_options = 0; |
| 842 | break; |
| 843 | } |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 844 | |
Nicholas Troast | bb76a14 | 2016-09-23 11:23:23 -0700 | [diff] [blame] | 845 | out: |
Abhijeet Dharmapurikar | 74021fc | 2017-02-06 18:39:19 -0800 | [diff] [blame] | 846 | if (override) |
| 847 | icl_options |= USBIN_MODE_CHG_BIT; |
| 848 | |
Nicholas Troast | bb76a14 | 2016-09-23 11:23:23 -0700 | [diff] [blame] | 849 | rc = smblib_masked_write(chg, USBIN_ICL_OPTIONS_REG, |
Abhijeet Dharmapurikar | 74021fc | 2017-02-06 18:39:19 -0800 | [diff] [blame] | 850 | CFG_USB3P0_SEL_BIT | USB51_MODE_BIT | USBIN_MODE_CHG_BIT, |
| 851 | icl_options); |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 852 | if (rc < 0) { |
Abhijeet Dharmapurikar | 74021fc | 2017-02-06 18:39:19 -0800 | [diff] [blame] | 853 | smblib_err(chg, "Couldn't set ICL options rc=%d\n", rc); |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 854 | return rc; |
| 855 | } |
| 856 | |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 857 | rc = vote(chg->usb_suspend_votable, PD_VOTER, suspend, 0); |
| 858 | if (rc < 0) { |
Abhijeet Dharmapurikar | 31b98f3 | 2016-10-14 12:25:23 -0700 | [diff] [blame] | 859 | smblib_err(chg, "Couldn't %s input rc=%d\n", |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 860 | suspend ? "suspend" : "resume", rc); |
| 861 | return rc; |
| 862 | } |
| 863 | |
Abhijeet Dharmapurikar | 74021fc | 2017-02-06 18:39:19 -0800 | [diff] [blame] | 864 | rc = smblib_icl_override(chg, override); |
| 865 | if (rc < 0) { |
| 866 | smblib_err(chg, "Couldn't set ICL override rc=%d\n", rc); |
| 867 | return rc; |
| 868 | } |
| 869 | |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 870 | return rc; |
| 871 | } |
| 872 | |
Abhijeet Dharmapurikar | 8e9e757 | 2016-06-06 16:13:14 -0700 | [diff] [blame] | 873 | static int smblib_dc_icl_vote_callback(struct votable *votable, void *data, |
Abhijeet Dharmapurikar | ebb5e5c | 2016-05-17 20:09:16 -0700 | [diff] [blame] | 874 | int icl_ua, const char *client) |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 875 | { |
Abhijeet Dharmapurikar | 8e9e757 | 2016-06-06 16:13:14 -0700 | [diff] [blame] | 876 | struct smb_charger *chg = data; |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 877 | int rc = 0; |
Abhijeet Dharmapurikar | c0ff65a | 2016-06-06 16:45:34 -0700 | [diff] [blame] | 878 | bool suspend; |
| 879 | |
| 880 | if (icl_ua < 0) { |
| 881 | smblib_dbg(chg, PR_MISC, "No Voter hence suspending\n"); |
| 882 | icl_ua = 0; |
| 883 | } |
| 884 | |
| 885 | suspend = (icl_ua < USBIN_25MA); |
| 886 | if (suspend) |
| 887 | goto suspend; |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 888 | |
| 889 | rc = smblib_set_charge_param(chg, &chg->param.dc_icl, icl_ua); |
Abhijeet Dharmapurikar | c0ff65a | 2016-06-06 16:45:34 -0700 | [diff] [blame] | 890 | if (rc < 0) { |
Abhijeet Dharmapurikar | 31b98f3 | 2016-10-14 12:25:23 -0700 | [diff] [blame] | 891 | smblib_err(chg, "Couldn't set DC input current limit rc=%d\n", |
Abhijeet Dharmapurikar | c0ff65a | 2016-06-06 16:45:34 -0700 | [diff] [blame] | 892 | rc); |
| 893 | return rc; |
| 894 | } |
| 895 | |
| 896 | suspend: |
| 897 | rc = vote(chg->dc_suspend_votable, USER_VOTER, suspend, 0); |
| 898 | if (rc < 0) { |
Abhijeet Dharmapurikar | 31b98f3 | 2016-10-14 12:25:23 -0700 | [diff] [blame] | 899 | smblib_err(chg, "Couldn't vote to %s DC rc=%d\n", |
Abhijeet Dharmapurikar | c0ff65a | 2016-06-06 16:45:34 -0700 | [diff] [blame] | 900 | suspend ? "suspend" : "resume", rc); |
| 901 | return rc; |
| 902 | } |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 903 | return rc; |
| 904 | } |
| 905 | |
Abhijeet Dharmapurikar | 4b13c6e | 2016-10-05 15:15:10 -0700 | [diff] [blame] | 906 | static int smblib_pd_disallowed_votable_indirect_callback( |
| 907 | struct votable *votable, void *data, int disallowed, const char *client) |
| 908 | { |
| 909 | struct smb_charger *chg = data; |
| 910 | int rc; |
| 911 | |
| 912 | rc = vote(chg->pd_allowed_votable, PD_DISALLOWED_INDIRECT_VOTER, |
| 913 | !disallowed, 0); |
| 914 | |
| 915 | return rc; |
| 916 | } |
| 917 | |
Harry Yang | 223c628 | 2016-06-14 15:48:36 -0700 | [diff] [blame] | 918 | static int smblib_awake_vote_callback(struct votable *votable, void *data, |
| 919 | int awake, const char *client) |
| 920 | { |
| 921 | struct smb_charger *chg = data; |
| 922 | |
| 923 | if (awake) |
| 924 | pm_stay_awake(chg->dev); |
| 925 | else |
| 926 | pm_relax(chg->dev); |
| 927 | |
| 928 | return 0; |
| 929 | } |
| 930 | |
Abhijeet Dharmapurikar | ee54de0 | 2016-07-08 14:51:47 -0700 | [diff] [blame] | 931 | static int smblib_chg_disable_vote_callback(struct votable *votable, void *data, |
| 932 | int chg_disable, const char *client) |
| 933 | { |
| 934 | struct smb_charger *chg = data; |
| 935 | int rc; |
| 936 | |
| 937 | rc = smblib_masked_write(chg, CHARGING_ENABLE_CMD_REG, |
| 938 | CHARGING_ENABLE_CMD_BIT, |
| 939 | chg_disable ? 0 : CHARGING_ENABLE_CMD_BIT); |
| 940 | if (rc < 0) { |
Abhijeet Dharmapurikar | 31b98f3 | 2016-10-14 12:25:23 -0700 | [diff] [blame] | 941 | smblib_err(chg, "Couldn't %s charging rc=%d\n", |
Abhijeet Dharmapurikar | ee54de0 | 2016-07-08 14:51:47 -0700 | [diff] [blame] | 942 | chg_disable ? "disable" : "enable", rc); |
| 943 | return rc; |
| 944 | } |
| 945 | |
| 946 | return 0; |
| 947 | } |
Harry Yang | aba1f5f | 2016-09-28 10:47:29 -0700 | [diff] [blame] | 948 | |
| 949 | static int smblib_pl_enable_indirect_vote_callback(struct votable *votable, |
| 950 | void *data, int chg_enable, const char *client) |
| 951 | { |
| 952 | struct smb_charger *chg = data; |
| 953 | |
| 954 | vote(chg->pl_disable_votable, PL_INDIRECT_VOTER, !chg_enable, 0); |
| 955 | |
| 956 | return 0; |
| 957 | } |
| 958 | |
Ashay Jaiswal | 4aa2c0c | 2016-12-07 19:39:38 +0530 | [diff] [blame] | 959 | static int smblib_hvdcp_enable_vote_callback(struct votable *votable, |
Abhijeet Dharmapurikar | f0b0a04 | 2016-10-10 16:43:43 -0700 | [diff] [blame] | 960 | void *data, |
Ashay Jaiswal | 4aa2c0c | 2016-12-07 19:39:38 +0530 | [diff] [blame] | 961 | int hvdcp_enable, const char *client) |
Abhijeet Dharmapurikar | f0b0a04 | 2016-10-10 16:43:43 -0700 | [diff] [blame] | 962 | { |
| 963 | struct smb_charger *chg = data; |
| 964 | int rc; |
| 965 | u8 val = HVDCP_AUTH_ALG_EN_CFG_BIT |
| 966 | | HVDCP_AUTONOMOUS_MODE_EN_CFG_BIT | HVDCP_EN_BIT; |
| 967 | |
| 968 | /* |
| 969 | * Disable the autonomous bit and auth bit for disabling hvdcp. |
| 970 | * This ensures only qc 2.0 detection runs but no vbus |
| 971 | * negotiation happens. |
| 972 | */ |
Ashay Jaiswal | 4aa2c0c | 2016-12-07 19:39:38 +0530 | [diff] [blame] | 973 | if (!hvdcp_enable) |
Abhijeet Dharmapurikar | f0b0a04 | 2016-10-10 16:43:43 -0700 | [diff] [blame] | 974 | val = HVDCP_EN_BIT; |
| 975 | |
| 976 | rc = smblib_masked_write(chg, USBIN_OPTIONS_1_CFG_REG, |
| 977 | HVDCP_EN_BIT |
| 978 | | HVDCP_AUTONOMOUS_MODE_EN_CFG_BIT |
| 979 | | HVDCP_AUTH_ALG_EN_CFG_BIT, |
| 980 | val); |
| 981 | if (rc < 0) { |
Abhijeet Dharmapurikar | 31b98f3 | 2016-10-14 12:25:23 -0700 | [diff] [blame] | 982 | smblib_err(chg, "Couldn't %s hvdcp rc=%d\n", |
Ashay Jaiswal | 4aa2c0c | 2016-12-07 19:39:38 +0530 | [diff] [blame] | 983 | hvdcp_enable ? "enable" : "disable", rc); |
Abhijeet Dharmapurikar | f0b0a04 | 2016-10-10 16:43:43 -0700 | [diff] [blame] | 984 | return rc; |
| 985 | } |
| 986 | |
| 987 | return 0; |
| 988 | } |
| 989 | |
Ashay Jaiswal | 4aa2c0c | 2016-12-07 19:39:38 +0530 | [diff] [blame] | 990 | static int smblib_hvdcp_disable_indirect_vote_callback(struct votable *votable, |
| 991 | void *data, int hvdcp_disable, const char *client) |
| 992 | { |
| 993 | struct smb_charger *chg = data; |
| 994 | |
| 995 | vote(chg->hvdcp_enable_votable, HVDCP_INDIRECT_VOTER, |
| 996 | !hvdcp_disable, 0); |
| 997 | |
| 998 | return 0; |
| 999 | } |
| 1000 | |
Abhijeet Dharmapurikar | f8a7a4a | 2016-10-07 18:46:45 -0700 | [diff] [blame] | 1001 | static int smblib_apsd_disable_vote_callback(struct votable *votable, |
| 1002 | void *data, |
| 1003 | int apsd_disable, const char *client) |
| 1004 | { |
| 1005 | struct smb_charger *chg = data; |
| 1006 | int rc; |
| 1007 | |
Nicholas Troast | ec4703c | 2017-01-30 14:52:33 -0800 | [diff] [blame] | 1008 | if (apsd_disable) { |
| 1009 | /* Don't run APSD on CC debounce when APSD is disabled */ |
| 1010 | rc = smblib_masked_write(chg, TYPE_C_CFG_REG, |
| 1011 | APSD_START_ON_CC_BIT, |
| 1012 | 0); |
| 1013 | if (rc < 0) { |
| 1014 | smblib_err(chg, "Couldn't disable APSD_START_ON_CC rc=%d\n", |
| 1015 | rc); |
| 1016 | return rc; |
| 1017 | } |
| 1018 | |
| 1019 | rc = smblib_masked_write(chg, USBIN_OPTIONS_1_CFG_REG, |
| 1020 | AUTO_SRC_DETECT_BIT, |
| 1021 | 0); |
| 1022 | if (rc < 0) { |
| 1023 | smblib_err(chg, "Couldn't disable APSD rc=%d\n", rc); |
| 1024 | return rc; |
| 1025 | } |
| 1026 | } else { |
| 1027 | rc = smblib_masked_write(chg, USBIN_OPTIONS_1_CFG_REG, |
| 1028 | AUTO_SRC_DETECT_BIT, |
| 1029 | AUTO_SRC_DETECT_BIT); |
| 1030 | if (rc < 0) { |
| 1031 | smblib_err(chg, "Couldn't enable APSD rc=%d\n", rc); |
| 1032 | return rc; |
| 1033 | } |
| 1034 | |
| 1035 | rc = smblib_masked_write(chg, TYPE_C_CFG_REG, |
| 1036 | APSD_START_ON_CC_BIT, |
| 1037 | APSD_START_ON_CC_BIT); |
| 1038 | if (rc < 0) { |
| 1039 | smblib_err(chg, "Couldn't enable APSD_START_ON_CC rc=%d\n", |
| 1040 | rc); |
| 1041 | return rc; |
| 1042 | } |
Abhijeet Dharmapurikar | f8a7a4a | 2016-10-07 18:46:45 -0700 | [diff] [blame] | 1043 | } |
| 1044 | |
| 1045 | return 0; |
| 1046 | } |
Nicholas Troast | 8995a70 | 2016-12-05 10:22:22 -0800 | [diff] [blame] | 1047 | |
| 1048 | /******************* |
| 1049 | * VCONN REGULATOR * |
| 1050 | * *****************/ |
| 1051 | |
Nicholas Troast | b11015f | 2017-01-17 17:56:45 -0800 | [diff] [blame] | 1052 | #define MAX_OTG_SS_TRIES 2 |
Nicholas Troast | 8995a70 | 2016-12-05 10:22:22 -0800 | [diff] [blame] | 1053 | static int _smblib_vconn_regulator_enable(struct regulator_dev *rdev) |
| 1054 | { |
| 1055 | struct smb_charger *chg = rdev_get_drvdata(rdev); |
| 1056 | u8 otg_stat, stat4; |
Nicholas Troast | b11015f | 2017-01-17 17:56:45 -0800 | [diff] [blame] | 1057 | int rc = 0, i; |
Nicholas Troast | 8995a70 | 2016-12-05 10:22:22 -0800 | [diff] [blame] | 1058 | |
| 1059 | if (!chg->external_vconn) { |
Nicholas Troast | b11015f | 2017-01-17 17:56:45 -0800 | [diff] [blame] | 1060 | /* |
| 1061 | * Hardware based OTG soft start should complete within 1ms, so |
| 1062 | * wait for 2ms in the worst case. |
| 1063 | */ |
| 1064 | for (i = 0; i < MAX_OTG_SS_TRIES; ++i) { |
| 1065 | usleep_range(1000, 1100); |
| 1066 | rc = smblib_read(chg, OTG_STATUS_REG, &otg_stat); |
| 1067 | if (rc < 0) { |
| 1068 | smblib_err(chg, "Couldn't read OTG status rc=%d\n", |
| 1069 | rc); |
| 1070 | return rc; |
| 1071 | } |
| 1072 | |
| 1073 | if (otg_stat & BOOST_SOFTSTART_DONE_BIT) |
| 1074 | break; |
Nicholas Troast | 8995a70 | 2016-12-05 10:22:22 -0800 | [diff] [blame] | 1075 | } |
| 1076 | |
Nicholas Troast | b11015f | 2017-01-17 17:56:45 -0800 | [diff] [blame] | 1077 | if (!(otg_stat & BOOST_SOFTSTART_DONE_BIT)) { |
| 1078 | smblib_err(chg, "Couldn't enable VCONN; OTG soft start failed\n"); |
Nicholas Troast | 8995a70 | 2016-12-05 10:22:22 -0800 | [diff] [blame] | 1079 | return -EAGAIN; |
| 1080 | } |
| 1081 | } |
| 1082 | |
| 1083 | /* |
| 1084 | * VCONN_EN_ORIENTATION is overloaded with overriding the CC pin used |
| 1085 | * for Vconn, and it should be set with reverse polarity of CC_OUT. |
| 1086 | */ |
| 1087 | rc = smblib_read(chg, TYPE_C_STATUS_4_REG, &stat4); |
| 1088 | if (rc < 0) { |
| 1089 | smblib_err(chg, "Couldn't read TYPE_C_STATUS_4 rc=%d\n", rc); |
| 1090 | return rc; |
| 1091 | } |
| 1092 | |
Nicholas Troast | b11015f | 2017-01-17 17:56:45 -0800 | [diff] [blame] | 1093 | smblib_dbg(chg, PR_OTG, "enabling VCONN\n"); |
Nicholas Troast | 8995a70 | 2016-12-05 10:22:22 -0800 | [diff] [blame] | 1094 | stat4 = stat4 & CC_ORIENTATION_BIT ? 0 : VCONN_EN_ORIENTATION_BIT; |
| 1095 | rc = smblib_masked_write(chg, TYPE_C_INTRPT_ENB_SOFTWARE_CTRL_REG, |
| 1096 | VCONN_EN_VALUE_BIT | VCONN_EN_ORIENTATION_BIT, |
| 1097 | VCONN_EN_VALUE_BIT | stat4); |
| 1098 | if (rc < 0) { |
| 1099 | smblib_err(chg, "Couldn't enable vconn setting rc=%d\n", rc); |
| 1100 | return rc; |
| 1101 | } |
| 1102 | |
| 1103 | return rc; |
| 1104 | } |
| 1105 | |
| 1106 | int smblib_vconn_regulator_enable(struct regulator_dev *rdev) |
| 1107 | { |
| 1108 | struct smb_charger *chg = rdev_get_drvdata(rdev); |
| 1109 | int rc = 0; |
| 1110 | |
Nicholas Troast | b11015f | 2017-01-17 17:56:45 -0800 | [diff] [blame] | 1111 | mutex_lock(&chg->otg_oc_lock); |
Nicholas Troast | 8995a70 | 2016-12-05 10:22:22 -0800 | [diff] [blame] | 1112 | if (chg->vconn_en) |
| 1113 | goto unlock; |
| 1114 | |
| 1115 | rc = _smblib_vconn_regulator_enable(rdev); |
| 1116 | if (rc >= 0) |
| 1117 | chg->vconn_en = true; |
| 1118 | |
| 1119 | unlock: |
Nicholas Troast | b11015f | 2017-01-17 17:56:45 -0800 | [diff] [blame] | 1120 | mutex_unlock(&chg->otg_oc_lock); |
Nicholas Troast | 8995a70 | 2016-12-05 10:22:22 -0800 | [diff] [blame] | 1121 | return rc; |
| 1122 | } |
| 1123 | |
| 1124 | static int _smblib_vconn_regulator_disable(struct regulator_dev *rdev) |
| 1125 | { |
| 1126 | struct smb_charger *chg = rdev_get_drvdata(rdev); |
| 1127 | int rc = 0; |
| 1128 | |
Nicholas Troast | b11015f | 2017-01-17 17:56:45 -0800 | [diff] [blame] | 1129 | smblib_dbg(chg, PR_OTG, "disabling VCONN\n"); |
Nicholas Troast | 8995a70 | 2016-12-05 10:22:22 -0800 | [diff] [blame] | 1130 | rc = smblib_masked_write(chg, TYPE_C_INTRPT_ENB_SOFTWARE_CTRL_REG, |
| 1131 | VCONN_EN_VALUE_BIT, 0); |
| 1132 | if (rc < 0) |
| 1133 | smblib_err(chg, "Couldn't disable vconn regulator rc=%d\n", rc); |
| 1134 | |
| 1135 | return rc; |
| 1136 | } |
| 1137 | |
| 1138 | int smblib_vconn_regulator_disable(struct regulator_dev *rdev) |
| 1139 | { |
| 1140 | struct smb_charger *chg = rdev_get_drvdata(rdev); |
| 1141 | int rc = 0; |
| 1142 | |
Nicholas Troast | b11015f | 2017-01-17 17:56:45 -0800 | [diff] [blame] | 1143 | mutex_lock(&chg->otg_oc_lock); |
Nicholas Troast | 8995a70 | 2016-12-05 10:22:22 -0800 | [diff] [blame] | 1144 | if (!chg->vconn_en) |
| 1145 | goto unlock; |
| 1146 | |
| 1147 | rc = _smblib_vconn_regulator_disable(rdev); |
| 1148 | if (rc >= 0) |
| 1149 | chg->vconn_en = false; |
| 1150 | |
| 1151 | unlock: |
Nicholas Troast | b11015f | 2017-01-17 17:56:45 -0800 | [diff] [blame] | 1152 | mutex_unlock(&chg->otg_oc_lock); |
Nicholas Troast | 8995a70 | 2016-12-05 10:22:22 -0800 | [diff] [blame] | 1153 | return rc; |
| 1154 | } |
| 1155 | |
| 1156 | int smblib_vconn_regulator_is_enabled(struct regulator_dev *rdev) |
| 1157 | { |
| 1158 | struct smb_charger *chg = rdev_get_drvdata(rdev); |
| 1159 | int ret; |
| 1160 | |
Nicholas Troast | b11015f | 2017-01-17 17:56:45 -0800 | [diff] [blame] | 1161 | mutex_lock(&chg->otg_oc_lock); |
Nicholas Troast | 8995a70 | 2016-12-05 10:22:22 -0800 | [diff] [blame] | 1162 | ret = chg->vconn_en; |
Nicholas Troast | b11015f | 2017-01-17 17:56:45 -0800 | [diff] [blame] | 1163 | mutex_unlock(&chg->otg_oc_lock); |
Nicholas Troast | 8995a70 | 2016-12-05 10:22:22 -0800 | [diff] [blame] | 1164 | return ret; |
| 1165 | } |
| 1166 | |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 1167 | /***************** |
| 1168 | * OTG REGULATOR * |
| 1169 | *****************/ |
| 1170 | |
Nicholas Troast | 8995a70 | 2016-12-05 10:22:22 -0800 | [diff] [blame] | 1171 | static int _smblib_vbus_regulator_enable(struct regulator_dev *rdev) |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 1172 | { |
| 1173 | struct smb_charger *chg = rdev_get_drvdata(rdev); |
Nicholas Troast | b11015f | 2017-01-17 17:56:45 -0800 | [diff] [blame] | 1174 | int rc; |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 1175 | |
Nicholas Troast | b11015f | 2017-01-17 17:56:45 -0800 | [diff] [blame] | 1176 | smblib_dbg(chg, PR_OTG, "halt 1 in 8 mode\n"); |
Harry Yang | 360bd53 | 2016-09-26 11:03:22 -0700 | [diff] [blame] | 1177 | rc = smblib_masked_write(chg, OTG_ENG_OTG_CFG_REG, |
| 1178 | ENG_BUCKBOOST_HALT1_8_MODE_BIT, |
| 1179 | ENG_BUCKBOOST_HALT1_8_MODE_BIT); |
| 1180 | if (rc < 0) { |
Abhijeet Dharmapurikar | 31b98f3 | 2016-10-14 12:25:23 -0700 | [diff] [blame] | 1181 | smblib_err(chg, "Couldn't set OTG_ENG_OTG_CFG_REG rc=%d\n", |
Harry Yang | 360bd53 | 2016-09-26 11:03:22 -0700 | [diff] [blame] | 1182 | rc); |
| 1183 | return rc; |
| 1184 | } |
| 1185 | |
Nicholas Troast | b11015f | 2017-01-17 17:56:45 -0800 | [diff] [blame] | 1186 | smblib_dbg(chg, PR_OTG, "enabling OTG\n"); |
Harry Yang | 360bd53 | 2016-09-26 11:03:22 -0700 | [diff] [blame] | 1187 | rc = smblib_write(chg, CMD_OTG_REG, OTG_EN_BIT); |
| 1188 | if (rc < 0) { |
Abhijeet Dharmapurikar | 31b98f3 | 2016-10-14 12:25:23 -0700 | [diff] [blame] | 1189 | smblib_err(chg, "Couldn't enable OTG regulator rc=%d\n", rc); |
Harry Yang | 360bd53 | 2016-09-26 11:03:22 -0700 | [diff] [blame] | 1190 | return rc; |
| 1191 | } |
| 1192 | |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 1193 | return rc; |
| 1194 | } |
| 1195 | |
Nicholas Troast | 8995a70 | 2016-12-05 10:22:22 -0800 | [diff] [blame] | 1196 | int smblib_vbus_regulator_enable(struct regulator_dev *rdev) |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 1197 | { |
| 1198 | struct smb_charger *chg = rdev_get_drvdata(rdev); |
| 1199 | int rc = 0; |
| 1200 | |
Nicholas Troast | b11015f | 2017-01-17 17:56:45 -0800 | [diff] [blame] | 1201 | mutex_lock(&chg->otg_oc_lock); |
Nicholas Troast | 8995a70 | 2016-12-05 10:22:22 -0800 | [diff] [blame] | 1202 | if (chg->otg_en) |
| 1203 | goto unlock; |
| 1204 | |
| 1205 | rc = _smblib_vbus_regulator_enable(rdev); |
| 1206 | if (rc >= 0) |
| 1207 | chg->otg_en = true; |
| 1208 | |
| 1209 | unlock: |
Nicholas Troast | b11015f | 2017-01-17 17:56:45 -0800 | [diff] [blame] | 1210 | mutex_unlock(&chg->otg_oc_lock); |
Nicholas Troast | 8995a70 | 2016-12-05 10:22:22 -0800 | [diff] [blame] | 1211 | return rc; |
| 1212 | } |
| 1213 | |
| 1214 | static int _smblib_vbus_regulator_disable(struct regulator_dev *rdev) |
| 1215 | { |
| 1216 | struct smb_charger *chg = rdev_get_drvdata(rdev); |
| 1217 | int rc; |
Nicholas Troast | 8995a70 | 2016-12-05 10:22:22 -0800 | [diff] [blame] | 1218 | |
Nicholas Troast | b11015f | 2017-01-17 17:56:45 -0800 | [diff] [blame] | 1219 | if (!chg->external_vconn && chg->vconn_en) { |
| 1220 | smblib_dbg(chg, PR_OTG, "Killing VCONN before disabling OTG\n"); |
| 1221 | rc = _smblib_vconn_regulator_disable(rdev); |
Nicholas Troast | 07a6900 | 2017-01-20 13:52:10 -0800 | [diff] [blame] | 1222 | if (rc < 0) |
Nicholas Troast | b11015f | 2017-01-17 17:56:45 -0800 | [diff] [blame] | 1223 | smblib_err(chg, "Couldn't disable VCONN rc=%d\n", rc); |
Nicholas Troast | 8995a70 | 2016-12-05 10:22:22 -0800 | [diff] [blame] | 1224 | } |
| 1225 | |
Nicholas Troast | b11015f | 2017-01-17 17:56:45 -0800 | [diff] [blame] | 1226 | smblib_dbg(chg, PR_OTG, "disabling OTG\n"); |
Harry Yang | 360bd53 | 2016-09-26 11:03:22 -0700 | [diff] [blame] | 1227 | rc = smblib_write(chg, CMD_OTG_REG, 0); |
| 1228 | if (rc < 0) { |
Abhijeet Dharmapurikar | 31b98f3 | 2016-10-14 12:25:23 -0700 | [diff] [blame] | 1229 | smblib_err(chg, "Couldn't disable OTG regulator rc=%d\n", rc); |
Harry Yang | 360bd53 | 2016-09-26 11:03:22 -0700 | [diff] [blame] | 1230 | return rc; |
| 1231 | } |
| 1232 | |
Nicholas Troast | b11015f | 2017-01-17 17:56:45 -0800 | [diff] [blame] | 1233 | smblib_dbg(chg, PR_OTG, "start 1 in 8 mode\n"); |
| 1234 | rc = smblib_write(chg, CMD_OTG_REG, 0); |
Harry Yang | 360bd53 | 2016-09-26 11:03:22 -0700 | [diff] [blame] | 1235 | rc = smblib_masked_write(chg, OTG_ENG_OTG_CFG_REG, |
| 1236 | ENG_BUCKBOOST_HALT1_8_MODE_BIT, 0); |
| 1237 | if (rc < 0) { |
Nicholas Troast | 8995a70 | 2016-12-05 10:22:22 -0800 | [diff] [blame] | 1238 | smblib_err(chg, "Couldn't set OTG_ENG_OTG_CFG_REG rc=%d\n", rc); |
Harry Yang | 360bd53 | 2016-09-26 11:03:22 -0700 | [diff] [blame] | 1239 | return rc; |
| 1240 | } |
| 1241 | |
Nicholas Troast | 8995a70 | 2016-12-05 10:22:22 -0800 | [diff] [blame] | 1242 | return 0; |
| 1243 | } |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 1244 | |
Nicholas Troast | 8995a70 | 2016-12-05 10:22:22 -0800 | [diff] [blame] | 1245 | int smblib_vbus_regulator_disable(struct regulator_dev *rdev) |
| 1246 | { |
| 1247 | struct smb_charger *chg = rdev_get_drvdata(rdev); |
| 1248 | int rc = 0; |
| 1249 | |
Nicholas Troast | b11015f | 2017-01-17 17:56:45 -0800 | [diff] [blame] | 1250 | mutex_lock(&chg->otg_oc_lock); |
Nicholas Troast | 8995a70 | 2016-12-05 10:22:22 -0800 | [diff] [blame] | 1251 | if (!chg->otg_en) |
| 1252 | goto unlock; |
| 1253 | |
| 1254 | rc = _smblib_vbus_regulator_disable(rdev); |
| 1255 | if (rc >= 0) |
| 1256 | chg->otg_en = false; |
| 1257 | |
| 1258 | unlock: |
Nicholas Troast | b11015f | 2017-01-17 17:56:45 -0800 | [diff] [blame] | 1259 | mutex_unlock(&chg->otg_oc_lock); |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 1260 | return rc; |
| 1261 | } |
| 1262 | |
| 1263 | int smblib_vbus_regulator_is_enabled(struct regulator_dev *rdev) |
| 1264 | { |
| 1265 | struct smb_charger *chg = rdev_get_drvdata(rdev); |
Nicholas Troast | 8995a70 | 2016-12-05 10:22:22 -0800 | [diff] [blame] | 1266 | int ret; |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 1267 | |
Nicholas Troast | b11015f | 2017-01-17 17:56:45 -0800 | [diff] [blame] | 1268 | mutex_lock(&chg->otg_oc_lock); |
Nicholas Troast | 8995a70 | 2016-12-05 10:22:22 -0800 | [diff] [blame] | 1269 | ret = chg->otg_en; |
Nicholas Troast | b11015f | 2017-01-17 17:56:45 -0800 | [diff] [blame] | 1270 | mutex_unlock(&chg->otg_oc_lock); |
Nicholas Troast | 8995a70 | 2016-12-05 10:22:22 -0800 | [diff] [blame] | 1271 | return ret; |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 1272 | } |
| 1273 | |
| 1274 | /******************** |
| 1275 | * BATT PSY GETTERS * |
| 1276 | ********************/ |
| 1277 | |
| 1278 | int smblib_get_prop_input_suspend(struct smb_charger *chg, |
| 1279 | union power_supply_propval *val) |
| 1280 | { |
Harry Yang | 7db58c2 | 2016-06-27 17:58:51 -0700 | [diff] [blame] | 1281 | val->intval = get_client_vote(chg->usb_suspend_votable, USER_VOTER) && |
| 1282 | get_client_vote(chg->dc_suspend_votable, USER_VOTER); |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 1283 | return 0; |
| 1284 | } |
| 1285 | |
| 1286 | int smblib_get_prop_batt_present(struct smb_charger *chg, |
| 1287 | union power_supply_propval *val) |
| 1288 | { |
| 1289 | int rc; |
| 1290 | u8 stat; |
| 1291 | |
| 1292 | rc = smblib_read(chg, BATIF_BASE + INT_RT_STS_OFFSET, &stat); |
| 1293 | if (rc < 0) { |
Abhijeet Dharmapurikar | 31b98f3 | 2016-10-14 12:25:23 -0700 | [diff] [blame] | 1294 | smblib_err(chg, "Couldn't read BATIF_INT_RT_STS rc=%d\n", rc); |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 1295 | return rc; |
| 1296 | } |
| 1297 | |
| 1298 | val->intval = !(stat & (BAT_THERM_OR_ID_MISSING_RT_STS_BIT |
| 1299 | | BAT_TERMINAL_MISSING_RT_STS_BIT)); |
| 1300 | |
| 1301 | return rc; |
| 1302 | } |
| 1303 | |
| 1304 | int smblib_get_prop_batt_capacity(struct smb_charger *chg, |
| 1305 | union power_supply_propval *val) |
| 1306 | { |
Harry Yang | 5e1a522 | 2016-07-26 15:16:04 -0700 | [diff] [blame] | 1307 | int rc = -EINVAL; |
| 1308 | |
Abhijeet Dharmapurikar | 9e7e48c | 2016-08-23 12:55:49 -0700 | [diff] [blame] | 1309 | if (chg->fake_capacity >= 0) { |
| 1310 | val->intval = chg->fake_capacity; |
| 1311 | return 0; |
| 1312 | } |
| 1313 | |
Harry Yang | 5e1a522 | 2016-07-26 15:16:04 -0700 | [diff] [blame] | 1314 | if (chg->bms_psy) |
| 1315 | rc = power_supply_get_property(chg->bms_psy, |
| 1316 | POWER_SUPPLY_PROP_CAPACITY, val); |
| 1317 | return rc; |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 1318 | } |
| 1319 | |
| 1320 | int smblib_get_prop_batt_status(struct smb_charger *chg, |
| 1321 | union power_supply_propval *val) |
| 1322 | { |
Abhijeet Dharmapurikar | ec43bb4 | 2017-01-17 20:00:08 -0800 | [diff] [blame] | 1323 | union power_supply_propval pval = {0, }; |
| 1324 | bool usb_online, dc_online; |
Nicholas Troast | 8cb7755 | 2016-09-23 11:50:18 -0700 | [diff] [blame] | 1325 | u8 stat; |
| 1326 | int rc; |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 1327 | |
Abhijeet Dharmapurikar | ec43bb4 | 2017-01-17 20:00:08 -0800 | [diff] [blame] | 1328 | rc = smblib_get_prop_usb_online(chg, &pval); |
| 1329 | if (rc < 0) { |
| 1330 | smblib_err(chg, "Couldn't get usb online property rc=%d\n", |
| 1331 | rc); |
| 1332 | return rc; |
| 1333 | } |
| 1334 | usb_online = (bool)pval.intval; |
| 1335 | |
| 1336 | rc = smblib_get_prop_dc_online(chg, &pval); |
| 1337 | if (rc < 0) { |
| 1338 | smblib_err(chg, "Couldn't get dc online property rc=%d\n", |
| 1339 | rc); |
| 1340 | return rc; |
| 1341 | } |
| 1342 | dc_online = (bool)pval.intval; |
| 1343 | |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 1344 | rc = smblib_read(chg, BATTERY_CHARGER_STATUS_1_REG, &stat); |
| 1345 | if (rc < 0) { |
Abhijeet Dharmapurikar | 31b98f3 | 2016-10-14 12:25:23 -0700 | [diff] [blame] | 1346 | smblib_err(chg, "Couldn't read BATTERY_CHARGER_STATUS_1 rc=%d\n", |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 1347 | rc); |
| 1348 | return rc; |
| 1349 | } |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 1350 | stat = stat & BATTERY_CHARGER_STATUS_MASK; |
Abhijeet Dharmapurikar | ec43bb4 | 2017-01-17 20:00:08 -0800 | [diff] [blame] | 1351 | |
| 1352 | if (!usb_online && !dc_online) { |
| 1353 | switch (stat) { |
| 1354 | case TERMINATE_CHARGE: |
| 1355 | case INHIBIT_CHARGE: |
| 1356 | val->intval = POWER_SUPPLY_STATUS_FULL; |
| 1357 | break; |
| 1358 | default: |
| 1359 | val->intval = POWER_SUPPLY_STATUS_DISCHARGING; |
| 1360 | break; |
| 1361 | } |
| 1362 | return rc; |
| 1363 | } |
| 1364 | |
Nicholas Troast | 8cb7755 | 2016-09-23 11:50:18 -0700 | [diff] [blame] | 1365 | switch (stat) { |
| 1366 | case TRICKLE_CHARGE: |
| 1367 | case PRE_CHARGE: |
| 1368 | case FAST_CHARGE: |
| 1369 | case FULLON_CHARGE: |
| 1370 | case TAPER_CHARGE: |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 1371 | val->intval = POWER_SUPPLY_STATUS_CHARGING; |
Nicholas Troast | 8cb7755 | 2016-09-23 11:50:18 -0700 | [diff] [blame] | 1372 | break; |
| 1373 | case TERMINATE_CHARGE: |
| 1374 | case INHIBIT_CHARGE: |
| 1375 | val->intval = POWER_SUPPLY_STATUS_FULL; |
| 1376 | break; |
| 1377 | case DISABLE_CHARGE: |
| 1378 | val->intval = POWER_SUPPLY_STATUS_NOT_CHARGING; |
| 1379 | break; |
| 1380 | default: |
| 1381 | val->intval = POWER_SUPPLY_STATUS_UNKNOWN; |
| 1382 | break; |
| 1383 | } |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 1384 | |
Nicholas Troast | 8cb7755 | 2016-09-23 11:50:18 -0700 | [diff] [blame] | 1385 | return 0; |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 1386 | } |
| 1387 | |
| 1388 | int smblib_get_prop_batt_charge_type(struct smb_charger *chg, |
| 1389 | union power_supply_propval *val) |
| 1390 | { |
| 1391 | int rc; |
| 1392 | u8 stat; |
| 1393 | |
| 1394 | rc = smblib_read(chg, BATTERY_CHARGER_STATUS_1_REG, &stat); |
| 1395 | if (rc < 0) { |
Abhijeet Dharmapurikar | 31b98f3 | 2016-10-14 12:25:23 -0700 | [diff] [blame] | 1396 | smblib_err(chg, "Couldn't read BATTERY_CHARGER_STATUS_1 rc=%d\n", |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 1397 | rc); |
| 1398 | return rc; |
| 1399 | } |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 1400 | |
| 1401 | switch (stat & BATTERY_CHARGER_STATUS_MASK) { |
| 1402 | case TRICKLE_CHARGE: |
| 1403 | case PRE_CHARGE: |
| 1404 | val->intval = POWER_SUPPLY_CHARGE_TYPE_TRICKLE; |
| 1405 | break; |
| 1406 | case FAST_CHARGE: |
| 1407 | case FULLON_CHARGE: |
| 1408 | val->intval = POWER_SUPPLY_CHARGE_TYPE_FAST; |
| 1409 | break; |
| 1410 | case TAPER_CHARGE: |
| 1411 | val->intval = POWER_SUPPLY_CHARGE_TYPE_TAPER; |
| 1412 | break; |
| 1413 | default: |
| 1414 | val->intval = POWER_SUPPLY_CHARGE_TYPE_NONE; |
| 1415 | } |
| 1416 | |
| 1417 | return rc; |
| 1418 | } |
| 1419 | |
| 1420 | int smblib_get_prop_batt_health(struct smb_charger *chg, |
| 1421 | union power_supply_propval *val) |
| 1422 | { |
Subbaraman Narayanamurthy | a379c4f | 2016-10-21 17:30:46 -0700 | [diff] [blame] | 1423 | union power_supply_propval pval; |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 1424 | int rc; |
| 1425 | u8 stat; |
| 1426 | |
| 1427 | rc = smblib_read(chg, BATTERY_CHARGER_STATUS_2_REG, &stat); |
| 1428 | if (rc < 0) { |
Abhijeet Dharmapurikar | 31b98f3 | 2016-10-14 12:25:23 -0700 | [diff] [blame] | 1429 | smblib_err(chg, "Couldn't read BATTERY_CHARGER_STATUS_2 rc=%d\n", |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 1430 | rc); |
| 1431 | return rc; |
| 1432 | } |
| 1433 | smblib_dbg(chg, PR_REGISTER, "BATTERY_CHARGER_STATUS_2 = 0x%02x\n", |
| 1434 | stat); |
| 1435 | |
| 1436 | if (stat & CHARGER_ERROR_STATUS_BAT_OV_BIT) { |
Subbaraman Narayanamurthy | a379c4f | 2016-10-21 17:30:46 -0700 | [diff] [blame] | 1437 | rc = smblib_get_prop_batt_voltage_now(chg, &pval); |
| 1438 | if (!rc) { |
| 1439 | /* |
| 1440 | * If Vbatt is within 40mV above Vfloat, then don't |
| 1441 | * treat it as overvoltage. |
| 1442 | */ |
| 1443 | if (pval.intval >= |
| 1444 | get_effective_result(chg->fv_votable) + 40000) { |
| 1445 | val->intval = POWER_SUPPLY_HEALTH_OVERVOLTAGE; |
| 1446 | smblib_err(chg, "battery over-voltage\n"); |
| 1447 | goto done; |
| 1448 | } |
| 1449 | } |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 1450 | } |
| 1451 | |
Harry Yang | 668fc5e | 2016-07-12 16:51:47 -0700 | [diff] [blame] | 1452 | if (stat & BAT_TEMP_STATUS_TOO_COLD_BIT) |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 1453 | val->intval = POWER_SUPPLY_HEALTH_COLD; |
Harry Yang | 668fc5e | 2016-07-12 16:51:47 -0700 | [diff] [blame] | 1454 | else if (stat & BAT_TEMP_STATUS_TOO_HOT_BIT) |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 1455 | val->intval = POWER_SUPPLY_HEALTH_OVERHEAT; |
Harry Yang | 668fc5e | 2016-07-12 16:51:47 -0700 | [diff] [blame] | 1456 | else if (stat & BAT_TEMP_STATUS_COLD_SOFT_LIMIT_BIT) |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 1457 | val->intval = POWER_SUPPLY_HEALTH_COOL; |
Harry Yang | 668fc5e | 2016-07-12 16:51:47 -0700 | [diff] [blame] | 1458 | else if (stat & BAT_TEMP_STATUS_HOT_SOFT_LIMIT_BIT) |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 1459 | val->intval = POWER_SUPPLY_HEALTH_WARM; |
Harry Yang | 668fc5e | 2016-07-12 16:51:47 -0700 | [diff] [blame] | 1460 | else |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 1461 | val->intval = POWER_SUPPLY_HEALTH_GOOD; |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 1462 | |
| 1463 | done: |
| 1464 | return rc; |
| 1465 | } |
| 1466 | |
Abhijeet Dharmapurikar | 99fb894 | 2016-07-08 11:39:23 -0700 | [diff] [blame] | 1467 | int smblib_get_prop_system_temp_level(struct smb_charger *chg, |
| 1468 | union power_supply_propval *val) |
| 1469 | { |
| 1470 | val->intval = chg->system_temp_level; |
| 1471 | return 0; |
| 1472 | } |
| 1473 | |
Abhijeet Dharmapurikar | 0e36900 | 2016-09-07 17:25:36 -0700 | [diff] [blame] | 1474 | int smblib_get_prop_input_current_limited(struct smb_charger *chg, |
| 1475 | union power_supply_propval *val) |
| 1476 | { |
| 1477 | u8 stat; |
| 1478 | int rc; |
| 1479 | |
| 1480 | rc = smblib_read(chg, AICL_STATUS_REG, &stat); |
| 1481 | if (rc < 0) { |
Abhijeet Dharmapurikar | 31b98f3 | 2016-10-14 12:25:23 -0700 | [diff] [blame] | 1482 | smblib_err(chg, "Couldn't read AICL_STATUS rc=%d\n", rc); |
Abhijeet Dharmapurikar | 0e36900 | 2016-09-07 17:25:36 -0700 | [diff] [blame] | 1483 | return rc; |
| 1484 | } |
| 1485 | val->intval = (stat & SOFT_ILIMIT_BIT) || chg->is_hdc; |
| 1486 | return 0; |
| 1487 | } |
| 1488 | |
Nicholas Troast | 66b21d7 | 2016-09-20 15:33:20 -0700 | [diff] [blame] | 1489 | int smblib_get_prop_batt_voltage_now(struct smb_charger *chg, |
| 1490 | union power_supply_propval *val) |
| 1491 | { |
| 1492 | int rc; |
| 1493 | |
| 1494 | if (!chg->bms_psy) |
| 1495 | return -EINVAL; |
| 1496 | |
| 1497 | rc = power_supply_get_property(chg->bms_psy, |
| 1498 | POWER_SUPPLY_PROP_VOLTAGE_NOW, val); |
| 1499 | return rc; |
| 1500 | } |
| 1501 | |
| 1502 | int smblib_get_prop_batt_current_now(struct smb_charger *chg, |
| 1503 | union power_supply_propval *val) |
| 1504 | { |
| 1505 | int rc; |
| 1506 | |
| 1507 | if (!chg->bms_psy) |
| 1508 | return -EINVAL; |
| 1509 | |
| 1510 | rc = power_supply_get_property(chg->bms_psy, |
| 1511 | POWER_SUPPLY_PROP_CURRENT_NOW, val); |
| 1512 | return rc; |
| 1513 | } |
| 1514 | |
| 1515 | int smblib_get_prop_batt_temp(struct smb_charger *chg, |
| 1516 | union power_supply_propval *val) |
| 1517 | { |
| 1518 | int rc; |
| 1519 | |
| 1520 | if (!chg->bms_psy) |
| 1521 | return -EINVAL; |
| 1522 | |
| 1523 | rc = power_supply_get_property(chg->bms_psy, |
| 1524 | POWER_SUPPLY_PROP_TEMP, val); |
| 1525 | return rc; |
| 1526 | } |
| 1527 | |
Harry Yang | bedee33 | 2016-08-31 16:14:29 -0700 | [diff] [blame] | 1528 | int smblib_get_prop_step_chg_step(struct smb_charger *chg, |
| 1529 | union power_supply_propval *val) |
| 1530 | { |
| 1531 | int rc; |
| 1532 | u8 stat; |
| 1533 | |
| 1534 | if (!chg->step_chg_enabled) { |
| 1535 | val->intval = -1; |
| 1536 | return 0; |
| 1537 | } |
| 1538 | |
| 1539 | rc = smblib_read(chg, BATTERY_CHARGER_STATUS_1_REG, &stat); |
| 1540 | if (rc < 0) { |
Abhijeet Dharmapurikar | 31b98f3 | 2016-10-14 12:25:23 -0700 | [diff] [blame] | 1541 | smblib_err(chg, "Couldn't read BATTERY_CHARGER_STATUS_1 rc=%d\n", |
Harry Yang | bedee33 | 2016-08-31 16:14:29 -0700 | [diff] [blame] | 1542 | rc); |
| 1543 | return rc; |
| 1544 | } |
| 1545 | |
| 1546 | val->intval = (stat & STEP_CHARGING_STATUS_MASK) >> |
| 1547 | STEP_CHARGING_STATUS_SHIFT; |
| 1548 | |
| 1549 | return rc; |
| 1550 | } |
| 1551 | |
Subbaraman Narayanamurthy | b491d02 | 2016-10-10 20:22:48 -0700 | [diff] [blame] | 1552 | int smblib_get_prop_batt_charge_done(struct smb_charger *chg, |
| 1553 | union power_supply_propval *val) |
| 1554 | { |
| 1555 | int rc; |
| 1556 | u8 stat; |
| 1557 | |
| 1558 | rc = smblib_read(chg, BATTERY_CHARGER_STATUS_1_REG, &stat); |
| 1559 | if (rc < 0) { |
Abhijeet Dharmapurikar | 31b98f3 | 2016-10-14 12:25:23 -0700 | [diff] [blame] | 1560 | smblib_err(chg, "Couldn't read BATTERY_CHARGER_STATUS_1 rc=%d\n", |
Subbaraman Narayanamurthy | b491d02 | 2016-10-10 20:22:48 -0700 | [diff] [blame] | 1561 | rc); |
| 1562 | return rc; |
| 1563 | } |
| 1564 | |
| 1565 | stat = stat & BATTERY_CHARGER_STATUS_MASK; |
| 1566 | val->intval = (stat == TERMINATE_CHARGE); |
| 1567 | return 0; |
| 1568 | } |
| 1569 | |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 1570 | /*********************** |
| 1571 | * BATTERY PSY SETTERS * |
| 1572 | ***********************/ |
| 1573 | |
| 1574 | int smblib_set_prop_input_suspend(struct smb_charger *chg, |
| 1575 | const union power_supply_propval *val) |
| 1576 | { |
| 1577 | int rc; |
| 1578 | |
| 1579 | rc = vote(chg->usb_suspend_votable, USER_VOTER, (bool)val->intval, 0); |
| 1580 | if (rc < 0) { |
Abhijeet Dharmapurikar | 31b98f3 | 2016-10-14 12:25:23 -0700 | [diff] [blame] | 1581 | smblib_err(chg, "Couldn't vote to %s USB rc=%d\n", |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 1582 | (bool)val->intval ? "suspend" : "resume", rc); |
| 1583 | return rc; |
| 1584 | } |
| 1585 | |
| 1586 | rc = vote(chg->dc_suspend_votable, USER_VOTER, (bool)val->intval, 0); |
| 1587 | if (rc < 0) { |
Abhijeet Dharmapurikar | 31b98f3 | 2016-10-14 12:25:23 -0700 | [diff] [blame] | 1588 | smblib_err(chg, "Couldn't vote to %s DC rc=%d\n", |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 1589 | (bool)val->intval ? "suspend" : "resume", rc); |
| 1590 | return rc; |
| 1591 | } |
| 1592 | |
Nicholas Troast | 61ff40f | 2016-07-08 10:59:22 -0700 | [diff] [blame] | 1593 | power_supply_changed(chg->batt_psy); |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 1594 | return rc; |
| 1595 | } |
| 1596 | |
Abhijeet Dharmapurikar | 9e7e48c | 2016-08-23 12:55:49 -0700 | [diff] [blame] | 1597 | int smblib_set_prop_batt_capacity(struct smb_charger *chg, |
| 1598 | const union power_supply_propval *val) |
| 1599 | { |
| 1600 | chg->fake_capacity = val->intval; |
| 1601 | |
| 1602 | power_supply_changed(chg->batt_psy); |
| 1603 | |
| 1604 | return 0; |
| 1605 | } |
| 1606 | |
Abhijeet Dharmapurikar | 99fb894 | 2016-07-08 11:39:23 -0700 | [diff] [blame] | 1607 | int smblib_set_prop_system_temp_level(struct smb_charger *chg, |
| 1608 | const union power_supply_propval *val) |
| 1609 | { |
| 1610 | if (val->intval < 0) |
| 1611 | return -EINVAL; |
| 1612 | |
| 1613 | if (chg->thermal_levels <= 0) |
| 1614 | return -EINVAL; |
| 1615 | |
| 1616 | if (val->intval > chg->thermal_levels) |
| 1617 | return -EINVAL; |
| 1618 | |
| 1619 | chg->system_temp_level = val->intval; |
| 1620 | if (chg->system_temp_level == chg->thermal_levels) |
Harry Yang | aba1f5f | 2016-09-28 10:47:29 -0700 | [diff] [blame] | 1621 | return vote(chg->chg_disable_votable, |
| 1622 | THERMAL_DAEMON_VOTER, true, 0); |
Abhijeet Dharmapurikar | 99fb894 | 2016-07-08 11:39:23 -0700 | [diff] [blame] | 1623 | |
Harry Yang | aba1f5f | 2016-09-28 10:47:29 -0700 | [diff] [blame] | 1624 | vote(chg->chg_disable_votable, THERMAL_DAEMON_VOTER, false, 0); |
Abhijeet Dharmapurikar | 99fb894 | 2016-07-08 11:39:23 -0700 | [diff] [blame] | 1625 | if (chg->system_temp_level == 0) |
Harry Yang | aba1f5f | 2016-09-28 10:47:29 -0700 | [diff] [blame] | 1626 | return vote(chg->fcc_votable, THERMAL_DAEMON_VOTER, false, 0); |
Abhijeet Dharmapurikar | 99fb894 | 2016-07-08 11:39:23 -0700 | [diff] [blame] | 1627 | |
Harry Yang | aba1f5f | 2016-09-28 10:47:29 -0700 | [diff] [blame] | 1628 | vote(chg->fcc_votable, THERMAL_DAEMON_VOTER, true, |
Abhijeet Dharmapurikar | 99fb894 | 2016-07-08 11:39:23 -0700 | [diff] [blame] | 1629 | chg->thermal_mitigation[chg->system_temp_level]); |
| 1630 | return 0; |
| 1631 | } |
| 1632 | |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 1633 | /******************* |
Harry Yang | f302359 | 2016-07-20 14:56:41 -0700 | [diff] [blame] | 1634 | * DC PSY GETTERS * |
| 1635 | *******************/ |
| 1636 | |
| 1637 | int smblib_get_prop_dc_present(struct smb_charger *chg, |
| 1638 | union power_supply_propval *val) |
| 1639 | { |
Nicholas Troast | deae99c | 2016-11-14 09:13:01 -0800 | [diff] [blame] | 1640 | int rc; |
Harry Yang | f302359 | 2016-07-20 14:56:41 -0700 | [diff] [blame] | 1641 | u8 stat; |
| 1642 | |
Nicholas Troast | deae99c | 2016-11-14 09:13:01 -0800 | [diff] [blame] | 1643 | rc = smblib_read(chg, DCIN_BASE + INT_RT_STS_OFFSET, &stat); |
Harry Yang | f302359 | 2016-07-20 14:56:41 -0700 | [diff] [blame] | 1644 | if (rc < 0) { |
Nicholas Troast | deae99c | 2016-11-14 09:13:01 -0800 | [diff] [blame] | 1645 | smblib_err(chg, "Couldn't read DCIN_RT_STS rc=%d\n", rc); |
Harry Yang | f302359 | 2016-07-20 14:56:41 -0700 | [diff] [blame] | 1646 | return rc; |
| 1647 | } |
Harry Yang | f302359 | 2016-07-20 14:56:41 -0700 | [diff] [blame] | 1648 | |
| 1649 | val->intval = (bool)(stat & DCIN_PLUGIN_RT_STS_BIT); |
Nicholas Troast | deae99c | 2016-11-14 09:13:01 -0800 | [diff] [blame] | 1650 | return 0; |
Harry Yang | f302359 | 2016-07-20 14:56:41 -0700 | [diff] [blame] | 1651 | } |
| 1652 | |
| 1653 | int smblib_get_prop_dc_online(struct smb_charger *chg, |
| 1654 | union power_supply_propval *val) |
| 1655 | { |
| 1656 | int rc = 0; |
| 1657 | u8 stat; |
| 1658 | |
| 1659 | if (get_client_vote(chg->dc_suspend_votable, USER_VOTER)) { |
| 1660 | val->intval = false; |
| 1661 | return rc; |
| 1662 | } |
| 1663 | |
| 1664 | rc = smblib_read(chg, POWER_PATH_STATUS_REG, &stat); |
| 1665 | if (rc < 0) { |
Abhijeet Dharmapurikar | 31b98f3 | 2016-10-14 12:25:23 -0700 | [diff] [blame] | 1666 | smblib_err(chg, "Couldn't read POWER_PATH_STATUS rc=%d\n", |
Harry Yang | f302359 | 2016-07-20 14:56:41 -0700 | [diff] [blame] | 1667 | rc); |
| 1668 | return rc; |
| 1669 | } |
| 1670 | smblib_dbg(chg, PR_REGISTER, "POWER_PATH_STATUS = 0x%02x\n", |
| 1671 | stat); |
| 1672 | |
| 1673 | val->intval = (stat & USE_DCIN_BIT) && |
Vic Wei | 7ade284 | 2016-12-14 18:47:49 -0800 | [diff] [blame] | 1674 | (stat & VALID_INPUT_POWER_SOURCE_STS_BIT); |
Harry Yang | f302359 | 2016-07-20 14:56:41 -0700 | [diff] [blame] | 1675 | |
| 1676 | return rc; |
| 1677 | } |
| 1678 | |
| 1679 | int smblib_get_prop_dc_current_max(struct smb_charger *chg, |
| 1680 | union power_supply_propval *val) |
| 1681 | { |
| 1682 | val->intval = get_effective_result_locked(chg->dc_icl_votable); |
| 1683 | return 0; |
| 1684 | } |
| 1685 | |
| 1686 | /******************* |
Harry Yang | d89ff1f | 2016-12-05 14:59:11 -0800 | [diff] [blame] | 1687 | * DC PSY SETTERS * |
Harry Yang | f302359 | 2016-07-20 14:56:41 -0700 | [diff] [blame] | 1688 | * *****************/ |
| 1689 | |
| 1690 | int smblib_set_prop_dc_current_max(struct smb_charger *chg, |
| 1691 | const union power_supply_propval *val) |
| 1692 | { |
| 1693 | int rc; |
| 1694 | |
| 1695 | rc = vote(chg->dc_icl_votable, USER_VOTER, true, val->intval); |
| 1696 | return rc; |
| 1697 | } |
| 1698 | |
| 1699 | /******************* |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 1700 | * USB PSY GETTERS * |
| 1701 | *******************/ |
| 1702 | |
| 1703 | int smblib_get_prop_usb_present(struct smb_charger *chg, |
| 1704 | union power_supply_propval *val) |
| 1705 | { |
Nicholas Troast | deae99c | 2016-11-14 09:13:01 -0800 | [diff] [blame] | 1706 | int rc; |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 1707 | u8 stat; |
| 1708 | |
Nicholas Troast | deae99c | 2016-11-14 09:13:01 -0800 | [diff] [blame] | 1709 | rc = smblib_read(chg, USBIN_BASE + INT_RT_STS_OFFSET, &stat); |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 1710 | if (rc < 0) { |
Nicholas Troast | deae99c | 2016-11-14 09:13:01 -0800 | [diff] [blame] | 1711 | smblib_err(chg, "Couldn't read USBIN_RT_STS rc=%d\n", rc); |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 1712 | return rc; |
| 1713 | } |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 1714 | |
Nicholas Troast | deae99c | 2016-11-14 09:13:01 -0800 | [diff] [blame] | 1715 | val->intval = (bool)(stat & USBIN_PLUGIN_RT_STS_BIT); |
| 1716 | return 0; |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 1717 | } |
| 1718 | |
| 1719 | int smblib_get_prop_usb_online(struct smb_charger *chg, |
| 1720 | union power_supply_propval *val) |
| 1721 | { |
| 1722 | int rc = 0; |
| 1723 | u8 stat; |
| 1724 | |
| 1725 | if (get_client_vote(chg->usb_suspend_votable, USER_VOTER)) { |
| 1726 | val->intval = false; |
| 1727 | return rc; |
| 1728 | } |
| 1729 | |
| 1730 | rc = smblib_read(chg, POWER_PATH_STATUS_REG, &stat); |
| 1731 | if (rc < 0) { |
Abhijeet Dharmapurikar | 31b98f3 | 2016-10-14 12:25:23 -0700 | [diff] [blame] | 1732 | smblib_err(chg, "Couldn't read POWER_PATH_STATUS rc=%d\n", |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 1733 | rc); |
| 1734 | return rc; |
| 1735 | } |
| 1736 | smblib_dbg(chg, PR_REGISTER, "POWER_PATH_STATUS = 0x%02x\n", |
| 1737 | stat); |
| 1738 | |
| 1739 | val->intval = (stat & USE_USBIN_BIT) && |
Vic Wei | 7ade284 | 2016-12-14 18:47:49 -0800 | [diff] [blame] | 1740 | (stat & VALID_INPUT_POWER_SOURCE_STS_BIT); |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 1741 | return rc; |
| 1742 | } |
| 1743 | |
| 1744 | int smblib_get_prop_usb_voltage_now(struct smb_charger *chg, |
| 1745 | union power_supply_propval *val) |
| 1746 | { |
Harry Yang | ba874ce | 2016-08-19 14:17:01 -0700 | [diff] [blame] | 1747 | int rc = 0; |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 1748 | |
Harry Yang | ba874ce | 2016-08-19 14:17:01 -0700 | [diff] [blame] | 1749 | rc = smblib_get_prop_usb_present(chg, val); |
| 1750 | if (rc < 0 || !val->intval) |
| 1751 | return rc; |
| 1752 | |
| 1753 | if (!chg->iio.usbin_v_chan || |
| 1754 | PTR_ERR(chg->iio.usbin_v_chan) == -EPROBE_DEFER) |
| 1755 | chg->iio.usbin_v_chan = iio_channel_get(chg->dev, "usbin_v"); |
| 1756 | |
| 1757 | if (IS_ERR(chg->iio.usbin_v_chan)) |
| 1758 | return PTR_ERR(chg->iio.usbin_v_chan); |
| 1759 | |
| 1760 | return iio_read_channel_processed(chg->iio.usbin_v_chan, &val->intval); |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 1761 | } |
| 1762 | |
Abhijeet Dharmapurikar | d92eca6 | 2016-10-07 19:04:33 -0700 | [diff] [blame] | 1763 | int smblib_get_prop_pd_current_max(struct smb_charger *chg, |
| 1764 | union power_supply_propval *val) |
| 1765 | { |
| 1766 | val->intval = get_client_vote_locked(chg->usb_icl_votable, PD_VOTER); |
| 1767 | return 0; |
| 1768 | } |
| 1769 | |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 1770 | int smblib_get_prop_usb_current_max(struct smb_charger *chg, |
| 1771 | union power_supply_propval *val) |
| 1772 | { |
Abhijeet Dharmapurikar | d92eca6 | 2016-10-07 19:04:33 -0700 | [diff] [blame] | 1773 | val->intval = get_client_vote_locked(chg->usb_icl_votable, |
| 1774 | USB_PSY_VOTER); |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 1775 | return 0; |
| 1776 | } |
| 1777 | |
Harry Yang | ba874ce | 2016-08-19 14:17:01 -0700 | [diff] [blame] | 1778 | int smblib_get_prop_usb_current_now(struct smb_charger *chg, |
| 1779 | union power_supply_propval *val) |
| 1780 | { |
| 1781 | int rc = 0; |
| 1782 | |
| 1783 | rc = smblib_get_prop_usb_present(chg, val); |
| 1784 | if (rc < 0 || !val->intval) |
| 1785 | return rc; |
| 1786 | |
| 1787 | if (!chg->iio.usbin_i_chan || |
| 1788 | PTR_ERR(chg->iio.usbin_i_chan) == -EPROBE_DEFER) |
| 1789 | chg->iio.usbin_i_chan = iio_channel_get(chg->dev, "usbin_i"); |
| 1790 | |
| 1791 | if (IS_ERR(chg->iio.usbin_i_chan)) |
| 1792 | return PTR_ERR(chg->iio.usbin_i_chan); |
| 1793 | |
| 1794 | return iio_read_channel_processed(chg->iio.usbin_i_chan, &val->intval); |
| 1795 | } |
| 1796 | |
| 1797 | int smblib_get_prop_charger_temp(struct smb_charger *chg, |
| 1798 | union power_supply_propval *val) |
| 1799 | { |
| 1800 | int rc; |
| 1801 | |
| 1802 | if (!chg->iio.temp_chan || |
| 1803 | PTR_ERR(chg->iio.temp_chan) == -EPROBE_DEFER) |
| 1804 | chg->iio.temp_chan = iio_channel_get(chg->dev, "charger_temp"); |
| 1805 | |
| 1806 | if (IS_ERR(chg->iio.temp_chan)) |
| 1807 | return PTR_ERR(chg->iio.temp_chan); |
| 1808 | |
| 1809 | rc = iio_read_channel_processed(chg->iio.temp_chan, &val->intval); |
| 1810 | val->intval /= 100; |
| 1811 | return rc; |
| 1812 | } |
| 1813 | |
| 1814 | int smblib_get_prop_charger_temp_max(struct smb_charger *chg, |
| 1815 | union power_supply_propval *val) |
| 1816 | { |
| 1817 | int rc; |
| 1818 | |
| 1819 | if (!chg->iio.temp_max_chan || |
| 1820 | PTR_ERR(chg->iio.temp_max_chan) == -EPROBE_DEFER) |
| 1821 | chg->iio.temp_max_chan = iio_channel_get(chg->dev, |
| 1822 | "charger_temp_max"); |
| 1823 | if (IS_ERR(chg->iio.temp_max_chan)) |
| 1824 | return PTR_ERR(chg->iio.temp_max_chan); |
| 1825 | |
| 1826 | rc = iio_read_channel_processed(chg->iio.temp_max_chan, &val->intval); |
| 1827 | val->intval /= 100; |
| 1828 | return rc; |
| 1829 | } |
| 1830 | |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 1831 | int smblib_get_prop_typec_cc_orientation(struct smb_charger *chg, |
| 1832 | union power_supply_propval *val) |
| 1833 | { |
| 1834 | int rc = 0; |
| 1835 | u8 stat; |
| 1836 | |
| 1837 | rc = smblib_read(chg, TYPE_C_STATUS_4_REG, &stat); |
| 1838 | if (rc < 0) { |
Abhijeet Dharmapurikar | 31b98f3 | 2016-10-14 12:25:23 -0700 | [diff] [blame] | 1839 | smblib_err(chg, "Couldn't read TYPE_C_STATUS_4 rc=%d\n", rc); |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 1840 | return rc; |
| 1841 | } |
| 1842 | smblib_dbg(chg, PR_REGISTER, "TYPE_C_STATUS_4 = 0x%02x\n", |
| 1843 | stat); |
| 1844 | |
| 1845 | if (stat & CC_ATTACHED_BIT) |
| 1846 | val->intval = (bool)(stat & CC_ORIENTATION_BIT) + 1; |
| 1847 | else |
| 1848 | val->intval = 0; |
| 1849 | |
| 1850 | return rc; |
| 1851 | } |
| 1852 | |
| 1853 | static const char * const smblib_typec_mode_name[] = { |
| 1854 | [POWER_SUPPLY_TYPEC_NONE] = "NONE", |
| 1855 | [POWER_SUPPLY_TYPEC_SOURCE_DEFAULT] = "SOURCE_DEFAULT", |
| 1856 | [POWER_SUPPLY_TYPEC_SOURCE_MEDIUM] = "SOURCE_MEDIUM", |
| 1857 | [POWER_SUPPLY_TYPEC_SOURCE_HIGH] = "SOURCE_HIGH", |
| 1858 | [POWER_SUPPLY_TYPEC_NON_COMPLIANT] = "NON_COMPLIANT", |
| 1859 | [POWER_SUPPLY_TYPEC_SINK] = "SINK", |
| 1860 | [POWER_SUPPLY_TYPEC_SINK_POWERED_CABLE] = "SINK_POWERED_CABLE", |
| 1861 | [POWER_SUPPLY_TYPEC_SINK_DEBUG_ACCESSORY] = "SINK_DEBUG_ACCESSORY", |
| 1862 | [POWER_SUPPLY_TYPEC_SINK_AUDIO_ADAPTER] = "SINK_AUDIO_ADAPTER", |
| 1863 | [POWER_SUPPLY_TYPEC_POWERED_CABLE_ONLY] = "POWERED_CABLE_ONLY", |
| 1864 | }; |
| 1865 | |
| 1866 | static int smblib_get_prop_ufp_mode(struct smb_charger *chg) |
| 1867 | { |
| 1868 | int rc; |
| 1869 | u8 stat; |
| 1870 | |
| 1871 | rc = smblib_read(chg, TYPE_C_STATUS_1_REG, &stat); |
| 1872 | if (rc < 0) { |
Abhijeet Dharmapurikar | 31b98f3 | 2016-10-14 12:25:23 -0700 | [diff] [blame] | 1873 | smblib_err(chg, "Couldn't read TYPE_C_STATUS_1 rc=%d\n", rc); |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 1874 | return POWER_SUPPLY_TYPEC_NONE; |
| 1875 | } |
| 1876 | smblib_dbg(chg, PR_REGISTER, "TYPE_C_STATUS_1 = 0x%02x\n", stat); |
| 1877 | |
| 1878 | switch (stat) { |
| 1879 | case 0: |
| 1880 | return POWER_SUPPLY_TYPEC_NONE; |
| 1881 | case UFP_TYPEC_RDSTD_BIT: |
| 1882 | return POWER_SUPPLY_TYPEC_SOURCE_DEFAULT; |
| 1883 | case UFP_TYPEC_RD1P5_BIT: |
| 1884 | return POWER_SUPPLY_TYPEC_SOURCE_MEDIUM; |
| 1885 | case UFP_TYPEC_RD3P0_BIT: |
| 1886 | return POWER_SUPPLY_TYPEC_SOURCE_HIGH; |
| 1887 | default: |
| 1888 | break; |
| 1889 | } |
| 1890 | |
| 1891 | return POWER_SUPPLY_TYPEC_NON_COMPLIANT; |
| 1892 | } |
| 1893 | |
| 1894 | static int smblib_get_prop_dfp_mode(struct smb_charger *chg) |
| 1895 | { |
| 1896 | int rc; |
| 1897 | u8 stat; |
| 1898 | |
| 1899 | rc = smblib_read(chg, TYPE_C_STATUS_2_REG, &stat); |
| 1900 | if (rc < 0) { |
Abhijeet Dharmapurikar | 31b98f3 | 2016-10-14 12:25:23 -0700 | [diff] [blame] | 1901 | smblib_err(chg, "Couldn't read TYPE_C_STATUS_2 rc=%d\n", rc); |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 1902 | return POWER_SUPPLY_TYPEC_NONE; |
| 1903 | } |
| 1904 | smblib_dbg(chg, PR_REGISTER, "TYPE_C_STATUS_2 = 0x%02x\n", stat); |
| 1905 | |
| 1906 | switch (stat & DFP_TYPEC_MASK) { |
| 1907 | case DFP_RA_RA_BIT: |
| 1908 | return POWER_SUPPLY_TYPEC_SINK_AUDIO_ADAPTER; |
| 1909 | case DFP_RD_RD_BIT: |
| 1910 | return POWER_SUPPLY_TYPEC_SINK_DEBUG_ACCESSORY; |
| 1911 | case DFP_RD_RA_VCONN_BIT: |
| 1912 | return POWER_SUPPLY_TYPEC_SINK_POWERED_CABLE; |
| 1913 | case DFP_RD_OPEN_BIT: |
| 1914 | return POWER_SUPPLY_TYPEC_SINK; |
| 1915 | case DFP_RA_OPEN_BIT: |
| 1916 | return POWER_SUPPLY_TYPEC_POWERED_CABLE_ONLY; |
| 1917 | default: |
| 1918 | break; |
| 1919 | } |
| 1920 | |
| 1921 | return POWER_SUPPLY_TYPEC_NONE; |
| 1922 | } |
| 1923 | |
| 1924 | int smblib_get_prop_typec_mode(struct smb_charger *chg, |
| 1925 | union power_supply_propval *val) |
| 1926 | { |
| 1927 | int rc; |
| 1928 | u8 stat; |
| 1929 | |
| 1930 | rc = smblib_read(chg, TYPE_C_STATUS_4_REG, &stat); |
| 1931 | if (rc < 0) { |
Abhijeet Dharmapurikar | 31b98f3 | 2016-10-14 12:25:23 -0700 | [diff] [blame] | 1932 | smblib_err(chg, "Couldn't read TYPE_C_STATUS_4 rc=%d\n", rc); |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 1933 | val->intval = POWER_SUPPLY_TYPEC_NONE; |
| 1934 | return rc; |
| 1935 | } |
| 1936 | smblib_dbg(chg, PR_REGISTER, "TYPE_C_STATUS_4 = 0x%02x\n", stat); |
| 1937 | |
| 1938 | if (!(stat & TYPEC_DEBOUNCE_DONE_STATUS_BIT)) { |
| 1939 | val->intval = POWER_SUPPLY_TYPEC_NONE; |
| 1940 | return rc; |
| 1941 | } |
| 1942 | |
| 1943 | if (stat & UFP_DFP_MODE_STATUS_BIT) |
| 1944 | val->intval = smblib_get_prop_dfp_mode(chg); |
| 1945 | else |
| 1946 | val->intval = smblib_get_prop_ufp_mode(chg); |
| 1947 | |
| 1948 | return rc; |
| 1949 | } |
| 1950 | |
| 1951 | int smblib_get_prop_typec_power_role(struct smb_charger *chg, |
| 1952 | union power_supply_propval *val) |
| 1953 | { |
| 1954 | int rc = 0; |
| 1955 | u8 ctrl; |
| 1956 | |
| 1957 | rc = smblib_read(chg, TYPE_C_INTRPT_ENB_SOFTWARE_CTRL_REG, &ctrl); |
| 1958 | if (rc < 0) { |
Abhijeet Dharmapurikar | 31b98f3 | 2016-10-14 12:25:23 -0700 | [diff] [blame] | 1959 | smblib_err(chg, "Couldn't read TYPE_C_INTRPT_ENB_SOFTWARE_CTRL rc=%d\n", |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 1960 | rc); |
| 1961 | return rc; |
| 1962 | } |
| 1963 | smblib_dbg(chg, PR_REGISTER, "TYPE_C_INTRPT_ENB_SOFTWARE_CTRL = 0x%02x\n", |
| 1964 | ctrl); |
| 1965 | |
| 1966 | if (ctrl & TYPEC_DISABLE_CMD_BIT) { |
| 1967 | val->intval = POWER_SUPPLY_TYPEC_PR_NONE; |
| 1968 | return rc; |
| 1969 | } |
| 1970 | |
| 1971 | switch (ctrl & (DFP_EN_CMD_BIT | UFP_EN_CMD_BIT)) { |
| 1972 | case 0: |
| 1973 | val->intval = POWER_SUPPLY_TYPEC_PR_DUAL; |
| 1974 | break; |
| 1975 | case DFP_EN_CMD_BIT: |
| 1976 | val->intval = POWER_SUPPLY_TYPEC_PR_SOURCE; |
| 1977 | break; |
| 1978 | case UFP_EN_CMD_BIT: |
| 1979 | val->intval = POWER_SUPPLY_TYPEC_PR_SINK; |
| 1980 | break; |
| 1981 | default: |
| 1982 | val->intval = POWER_SUPPLY_TYPEC_PR_NONE; |
Abhijeet Dharmapurikar | 31b98f3 | 2016-10-14 12:25:23 -0700 | [diff] [blame] | 1983 | smblib_err(chg, "unsupported power role 0x%02lx\n", |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 1984 | ctrl & (DFP_EN_CMD_BIT | UFP_EN_CMD_BIT)); |
| 1985 | return -EINVAL; |
| 1986 | } |
| 1987 | |
| 1988 | return rc; |
| 1989 | } |
| 1990 | |
| 1991 | int smblib_get_prop_pd_allowed(struct smb_charger *chg, |
| 1992 | union power_supply_propval *val) |
| 1993 | { |
Abhijeet Dharmapurikar | b959887 | 2016-10-17 16:58:58 -0700 | [diff] [blame] | 1994 | val->intval = get_effective_result(chg->pd_allowed_votable); |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 1995 | return 0; |
| 1996 | } |
| 1997 | |
Nicholas Troast | 133a7f5 | 2016-06-29 13:48:20 -0700 | [diff] [blame] | 1998 | int smblib_get_prop_input_current_settled(struct smb_charger *chg, |
| 1999 | union power_supply_propval *val) |
| 2000 | { |
| 2001 | return smblib_get_charge_param(chg, &chg->param.icl_stat, &val->intval); |
| 2002 | } |
| 2003 | |
Abhijeet Dharmapurikar | f8a7a4a | 2016-10-07 18:46:45 -0700 | [diff] [blame] | 2004 | int smblib_get_prop_pd_in_hard_reset(struct smb_charger *chg, |
| 2005 | union power_supply_propval *val) |
| 2006 | { |
| 2007 | int rc; |
| 2008 | u8 ctrl; |
| 2009 | |
| 2010 | rc = smblib_read(chg, TYPE_C_INTRPT_ENB_SOFTWARE_CTRL_REG, &ctrl); |
| 2011 | if (rc < 0) { |
Abhijeet Dharmapurikar | 31b98f3 | 2016-10-14 12:25:23 -0700 | [diff] [blame] | 2012 | smblib_err(chg, "Couldn't read TYPE_C_INTRPT_ENB_SOFTWARE_CTRL_REG rc=%d\n", |
Abhijeet Dharmapurikar | f8a7a4a | 2016-10-07 18:46:45 -0700 | [diff] [blame] | 2013 | rc); |
| 2014 | return rc; |
| 2015 | } |
| 2016 | val->intval = ctrl & EXIT_SNK_BASED_ON_CC_BIT; |
| 2017 | return 0; |
| 2018 | } |
| 2019 | |
Abhijeet Dharmapurikar | b959887 | 2016-10-17 16:58:58 -0700 | [diff] [blame] | 2020 | int smblib_get_pe_start(struct smb_charger *chg, |
| 2021 | union power_supply_propval *val) |
| 2022 | { |
| 2023 | /* |
| 2024 | * hvdcp timeout voter is the last one to allow pd. Use its vote |
| 2025 | * to indicate start of pe engine |
| 2026 | */ |
| 2027 | val->intval |
| 2028 | = !get_client_vote_locked(chg->pd_disallowed_votable_indirect, |
| 2029 | HVDCP_TIMEOUT_VOTER); |
| 2030 | return 0; |
| 2031 | } |
| 2032 | |
Nicholas Troast | 7fdbd2e | 2017-02-08 10:47:37 -0800 | [diff] [blame] | 2033 | int smblib_get_prop_die_health(struct smb_charger *chg, |
Nicholas Troast | b021dd9 | 2017-01-31 18:43:38 -0800 | [diff] [blame] | 2034 | union power_supply_propval *val) |
| 2035 | { |
Nicholas Troast | 7fdbd2e | 2017-02-08 10:47:37 -0800 | [diff] [blame] | 2036 | int rc; |
Nicholas Troast | b021dd9 | 2017-01-31 18:43:38 -0800 | [diff] [blame] | 2037 | u8 stat; |
| 2038 | |
| 2039 | rc = smblib_read(chg, TEMP_RANGE_STATUS_REG, &stat); |
| 2040 | if (rc < 0) { |
| 2041 | smblib_err(chg, "Couldn't read TEMP_RANGE_STATUS_REG rc=%d\n", |
| 2042 | rc); |
| 2043 | return rc; |
| 2044 | } |
| 2045 | |
Nicholas Troast | 7fdbd2e | 2017-02-08 10:47:37 -0800 | [diff] [blame] | 2046 | /* TEMP_RANGE bits are mutually exclusive */ |
| 2047 | switch (stat & TEMP_RANGE_MASK) { |
| 2048 | case TEMP_BELOW_RANGE_BIT: |
| 2049 | val->intval = POWER_SUPPLY_HEALTH_COOL; |
| 2050 | break; |
| 2051 | case TEMP_WITHIN_RANGE_BIT: |
| 2052 | val->intval = POWER_SUPPLY_HEALTH_WARM; |
| 2053 | break; |
| 2054 | case TEMP_ABOVE_RANGE_BIT: |
| 2055 | val->intval = POWER_SUPPLY_HEALTH_HOT; |
| 2056 | break; |
| 2057 | case ALERT_LEVEL_BIT: |
| 2058 | val->intval = POWER_SUPPLY_HEALTH_OVERHEAT; |
| 2059 | break; |
| 2060 | default: |
| 2061 | val->intval = POWER_SUPPLY_HEALTH_UNKNOWN; |
Nicholas Troast | b021dd9 | 2017-01-31 18:43:38 -0800 | [diff] [blame] | 2062 | } |
| 2063 | |
Nicholas Troast | b021dd9 | 2017-01-31 18:43:38 -0800 | [diff] [blame] | 2064 | return 0; |
| 2065 | } |
| 2066 | |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 2067 | /******************* |
| 2068 | * USB PSY SETTERS * |
| 2069 | * *****************/ |
| 2070 | |
Abhijeet Dharmapurikar | d92eca6 | 2016-10-07 19:04:33 -0700 | [diff] [blame] | 2071 | int smblib_set_prop_pd_current_max(struct smb_charger *chg, |
| 2072 | const union power_supply_propval *val) |
| 2073 | { |
| 2074 | int rc; |
| 2075 | |
| 2076 | if (chg->pd_active) |
| 2077 | rc = vote(chg->usb_icl_votable, PD_VOTER, true, val->intval); |
| 2078 | else |
| 2079 | rc = -EPERM; |
| 2080 | |
| 2081 | return rc; |
| 2082 | } |
| 2083 | |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 2084 | int smblib_set_prop_usb_current_max(struct smb_charger *chg, |
| 2085 | const union power_supply_propval *val) |
| 2086 | { |
Nicholas Troast | 8d33b7d | 2017-01-16 11:18:38 -0800 | [diff] [blame] | 2087 | int rc = 0; |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 2088 | |
Abhijeet Dharmapurikar | d92eca6 | 2016-10-07 19:04:33 -0700 | [diff] [blame] | 2089 | if (!chg->pd_active) { |
| 2090 | rc = vote(chg->usb_icl_votable, USB_PSY_VOTER, |
| 2091 | true, val->intval); |
| 2092 | } else if (chg->system_suspend_supported) { |
| 2093 | if (val->intval <= USBIN_25MA) |
Abhijeet Dharmapurikar | 9567087 | 2017-02-09 22:55:51 +0530 | [diff] [blame] | 2094 | rc = vote(chg->usb_icl_votable, |
| 2095 | PD_SUSPEND_SUPPORTED_VOTER, true, val->intval); |
Abhijeet Dharmapurikar | d92eca6 | 2016-10-07 19:04:33 -0700 | [diff] [blame] | 2096 | else |
Abhijeet Dharmapurikar | 9567087 | 2017-02-09 22:55:51 +0530 | [diff] [blame] | 2097 | rc = vote(chg->usb_icl_votable, |
| 2098 | PD_SUSPEND_SUPPORTED_VOTER, false, 0); |
Abhijeet Dharmapurikar | d92eca6 | 2016-10-07 19:04:33 -0700 | [diff] [blame] | 2099 | } |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 2100 | return rc; |
| 2101 | } |
| 2102 | |
Harry Yang | d89ff1f | 2016-12-05 14:59:11 -0800 | [diff] [blame] | 2103 | int smblib_set_prop_boost_current(struct smb_charger *chg, |
| 2104 | const union power_supply_propval *val) |
| 2105 | { |
| 2106 | int rc = 0; |
| 2107 | |
| 2108 | rc = smblib_set_charge_param(chg, &chg->param.freq_boost, |
| 2109 | val->intval <= chg->boost_threshold_ua ? |
Anirudh Ghayal | 4da3df9 | 2017-01-25 18:55:57 +0530 | [diff] [blame] | 2110 | chg->chg_freq.freq_below_otg_threshold : |
| 2111 | chg->chg_freq.freq_above_otg_threshold); |
Harry Yang | d89ff1f | 2016-12-05 14:59:11 -0800 | [diff] [blame] | 2112 | if (rc < 0) { |
| 2113 | dev_err(chg->dev, "Error in setting freq_boost rc=%d\n", rc); |
| 2114 | return rc; |
| 2115 | } |
| 2116 | |
| 2117 | chg->boost_current_ua = val->intval; |
| 2118 | return rc; |
| 2119 | } |
| 2120 | |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 2121 | int smblib_set_prop_typec_power_role(struct smb_charger *chg, |
| 2122 | const union power_supply_propval *val) |
| 2123 | { |
| 2124 | int rc = 0; |
| 2125 | u8 power_role; |
| 2126 | |
| 2127 | switch (val->intval) { |
| 2128 | case POWER_SUPPLY_TYPEC_PR_NONE: |
| 2129 | power_role = TYPEC_DISABLE_CMD_BIT; |
| 2130 | break; |
| 2131 | case POWER_SUPPLY_TYPEC_PR_DUAL: |
| 2132 | power_role = 0; |
| 2133 | break; |
| 2134 | case POWER_SUPPLY_TYPEC_PR_SINK: |
| 2135 | power_role = UFP_EN_CMD_BIT; |
| 2136 | break; |
| 2137 | case POWER_SUPPLY_TYPEC_PR_SOURCE: |
| 2138 | power_role = DFP_EN_CMD_BIT; |
| 2139 | break; |
| 2140 | default: |
Abhijeet Dharmapurikar | 31b98f3 | 2016-10-14 12:25:23 -0700 | [diff] [blame] | 2141 | smblib_err(chg, "power role %d not supported\n", val->intval); |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 2142 | return -EINVAL; |
| 2143 | } |
| 2144 | |
| 2145 | rc = smblib_masked_write(chg, TYPE_C_INTRPT_ENB_SOFTWARE_CTRL_REG, |
| 2146 | TYPEC_POWER_ROLE_CMD_MASK, power_role); |
| 2147 | if (rc < 0) { |
Abhijeet Dharmapurikar | 31b98f3 | 2016-10-14 12:25:23 -0700 | [diff] [blame] | 2148 | smblib_err(chg, "Couldn't write 0x%02x to TYPE_C_INTRPT_ENB_SOFTWARE_CTRL rc=%d\n", |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 2149 | power_role, rc); |
| 2150 | return rc; |
| 2151 | } |
| 2152 | |
| 2153 | return rc; |
| 2154 | } |
| 2155 | |
| 2156 | int smblib_set_prop_usb_voltage_min(struct smb_charger *chg, |
| 2157 | const union power_supply_propval *val) |
| 2158 | { |
| 2159 | int rc, min_uv; |
| 2160 | |
| 2161 | min_uv = min(val->intval, chg->voltage_max_uv); |
| 2162 | rc = smblib_set_usb_pd_allowed_voltage(chg, min_uv, |
| 2163 | chg->voltage_max_uv); |
| 2164 | if (rc < 0) { |
Abhijeet Dharmapurikar | 31b98f3 | 2016-10-14 12:25:23 -0700 | [diff] [blame] | 2165 | smblib_err(chg, "invalid max voltage %duV rc=%d\n", |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 2166 | val->intval, rc); |
| 2167 | return rc; |
| 2168 | } |
| 2169 | |
Harry Yang | aba1f5f | 2016-09-28 10:47:29 -0700 | [diff] [blame] | 2170 | if (chg->mode == PARALLEL_MASTER) |
| 2171 | vote(chg->pl_enable_votable_indirect, USBIN_V_VOTER, |
| 2172 | min_uv > MICRO_5V, 0); |
| 2173 | |
| 2174 | chg->voltage_min_uv = min_uv; |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 2175 | return rc; |
| 2176 | } |
| 2177 | |
| 2178 | int smblib_set_prop_usb_voltage_max(struct smb_charger *chg, |
| 2179 | const union power_supply_propval *val) |
| 2180 | { |
| 2181 | int rc, max_uv; |
| 2182 | |
| 2183 | max_uv = max(val->intval, chg->voltage_min_uv); |
| 2184 | rc = smblib_set_usb_pd_allowed_voltage(chg, chg->voltage_min_uv, |
| 2185 | max_uv); |
| 2186 | if (rc < 0) { |
Abhijeet Dharmapurikar | 31b98f3 | 2016-10-14 12:25:23 -0700 | [diff] [blame] | 2187 | smblib_err(chg, "invalid min voltage %duV rc=%d\n", |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 2188 | val->intval, rc); |
| 2189 | return rc; |
| 2190 | } |
| 2191 | |
Harry Yang | aba1f5f | 2016-09-28 10:47:29 -0700 | [diff] [blame] | 2192 | chg->voltage_max_uv = max_uv; |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 2193 | return rc; |
| 2194 | } |
| 2195 | |
| 2196 | int smblib_set_prop_pd_active(struct smb_charger *chg, |
| 2197 | const union power_supply_propval *val) |
| 2198 | { |
| 2199 | int rc; |
Abhijeet Dharmapurikar | 716cd96 | 2016-10-14 12:50:37 -0700 | [diff] [blame] | 2200 | u8 stat = 0; |
| 2201 | bool cc_debounced; |
| 2202 | bool orientation; |
| 2203 | bool pd_active = val->intval; |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 2204 | |
| 2205 | if (!get_effective_result(chg->pd_allowed_votable)) { |
Abhijeet Dharmapurikar | 31b98f3 | 2016-10-14 12:25:23 -0700 | [diff] [blame] | 2206 | smblib_err(chg, "PD is not allowed\n"); |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 2207 | return -EINVAL; |
| 2208 | } |
| 2209 | |
Abhijeet Dharmapurikar | 716cd96 | 2016-10-14 12:50:37 -0700 | [diff] [blame] | 2210 | vote(chg->apsd_disable_votable, PD_VOTER, pd_active, 0); |
| 2211 | vote(chg->pd_allowed_votable, PD_VOTER, pd_active, 0); |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 2212 | |
Harry Yang | 88acff4 | 2016-09-21 14:56:06 -0700 | [diff] [blame] | 2213 | /* |
| 2214 | * VCONN_EN_ORIENTATION_BIT controls whether to use CC1 or CC2 line |
| 2215 | * when TYPEC_SPARE_CFG_BIT (CC pin selection s/w override) is set |
| 2216 | * or when VCONN_EN_VALUE_BIT is set. |
| 2217 | */ |
Abhijeet Dharmapurikar | 716cd96 | 2016-10-14 12:50:37 -0700 | [diff] [blame] | 2218 | rc = smblib_read(chg, TYPE_C_STATUS_4_REG, &stat); |
| 2219 | if (rc < 0) { |
Abhijeet Dharmapurikar | 31b98f3 | 2016-10-14 12:25:23 -0700 | [diff] [blame] | 2220 | smblib_err(chg, "Couldn't read TYPE_C_STATUS_4 rc=%d\n", rc); |
Abhijeet Dharmapurikar | 716cd96 | 2016-10-14 12:50:37 -0700 | [diff] [blame] | 2221 | return rc; |
| 2222 | } |
Harry Yang | 88acff4 | 2016-09-21 14:56:06 -0700 | [diff] [blame] | 2223 | |
Abhijeet Dharmapurikar | 716cd96 | 2016-10-14 12:50:37 -0700 | [diff] [blame] | 2224 | if (pd_active) { |
| 2225 | orientation = stat & CC_ORIENTATION_BIT; |
Harry Yang | 88acff4 | 2016-09-21 14:56:06 -0700 | [diff] [blame] | 2226 | rc = smblib_masked_write(chg, |
Abhijeet Dharmapurikar | 716cd96 | 2016-10-14 12:50:37 -0700 | [diff] [blame] | 2227 | TYPE_C_INTRPT_ENB_SOFTWARE_CTRL_REG, |
| 2228 | VCONN_EN_ORIENTATION_BIT, |
| 2229 | orientation ? 0 : VCONN_EN_ORIENTATION_BIT); |
| 2230 | if (rc < 0) { |
Abhijeet Dharmapurikar | 31b98f3 | 2016-10-14 12:25:23 -0700 | [diff] [blame] | 2231 | smblib_err(chg, |
Harry Yang | 88acff4 | 2016-09-21 14:56:06 -0700 | [diff] [blame] | 2232 | "Couldn't enable vconn on CC line rc=%d\n", rc); |
Abhijeet Dharmapurikar | 716cd96 | 2016-10-14 12:50:37 -0700 | [diff] [blame] | 2233 | return rc; |
| 2234 | } |
Abhijeet Dharmapurikar | 9567087 | 2017-02-09 22:55:51 +0530 | [diff] [blame] | 2235 | /* |
| 2236 | * Enforce 500mA for PD until the real vote comes in later. |
| 2237 | * It is guaranteed that pd_active is set prior to |
| 2238 | * pd_current_max |
| 2239 | */ |
Harry Yang | cd99520 | 2016-11-07 13:32:52 -0800 | [diff] [blame] | 2240 | rc = vote(chg->usb_icl_votable, PD_VOTER, true, USBIN_500MA); |
| 2241 | if (rc < 0) { |
| 2242 | smblib_err(chg, "Couldn't vote for USB ICL rc=%d\n", |
| 2243 | rc); |
| 2244 | return rc; |
| 2245 | } |
| 2246 | |
Abhijeet Dharmapurikar | 7442e42 | 2017-02-08 13:35:14 -0800 | [diff] [blame] | 2247 | /* clear USB ICL vote for DCP_VOTER */ |
Harry Yang | 631b99e | 2016-11-17 11:24:25 -0800 | [diff] [blame] | 2248 | rc = vote(chg->usb_icl_votable, DCP_VOTER, false, 0); |
Abhijeet Dharmapurikar | 7442e42 | 2017-02-08 13:35:14 -0800 | [diff] [blame] | 2249 | if (rc < 0) |
| 2250 | smblib_err(chg, |
| 2251 | "Couldn't un-vote DCP from USB ICL rc=%d\n", |
| 2252 | rc); |
| 2253 | |
| 2254 | /* clear USB ICL vote for PL_USBIN_USBIN_VOTER */ |
| 2255 | rc = vote(chg->usb_icl_votable, PL_USBIN_USBIN_VOTER, false, 0); |
| 2256 | if (rc < 0) |
| 2257 | smblib_err(chg, |
| 2258 | "Couldn't un-vote PL_USBIN_USBIN from USB ICL rc=%d\n", |
| 2259 | rc); |
Abhijeet Dharmapurikar | 9567087 | 2017-02-09 22:55:51 +0530 | [diff] [blame] | 2260 | |
| 2261 | /* remove USB_PSY_VOTER */ |
| 2262 | rc = vote(chg->usb_icl_votable, USB_PSY_VOTER, false, 0); |
| 2263 | if (rc < 0) { |
| 2264 | smblib_err(chg, "Couldn't unvote USB_PSY rc=%d\n", rc); |
Harry Yang | 631b99e | 2016-11-17 11:24:25 -0800 | [diff] [blame] | 2265 | return rc; |
| 2266 | } |
Harry Yang | 88acff4 | 2016-09-21 14:56:06 -0700 | [diff] [blame] | 2267 | } |
| 2268 | |
| 2269 | /* CC pin selection s/w override in PD session; h/w otherwise. */ |
| 2270 | rc = smblib_masked_write(chg, TAPER_TIMER_SEL_CFG_REG, |
| 2271 | TYPEC_SPARE_CFG_BIT, |
Abhijeet Dharmapurikar | 716cd96 | 2016-10-14 12:50:37 -0700 | [diff] [blame] | 2272 | pd_active ? TYPEC_SPARE_CFG_BIT : 0); |
Harry Yang | 88acff4 | 2016-09-21 14:56:06 -0700 | [diff] [blame] | 2273 | if (rc < 0) { |
Abhijeet Dharmapurikar | 31b98f3 | 2016-10-14 12:25:23 -0700 | [diff] [blame] | 2274 | smblib_err(chg, "Couldn't change cc_out ctrl to %s rc=%d\n", |
Abhijeet Dharmapurikar | 716cd96 | 2016-10-14 12:50:37 -0700 | [diff] [blame] | 2275 | pd_active ? "SW" : "HW", rc); |
Harry Yang | 88acff4 | 2016-09-21 14:56:06 -0700 | [diff] [blame] | 2276 | return rc; |
| 2277 | } |
| 2278 | |
Abhijeet Dharmapurikar | 716cd96 | 2016-10-14 12:50:37 -0700 | [diff] [blame] | 2279 | cc_debounced = (bool)(stat & TYPEC_DEBOUNCE_DONE_STATUS_BIT); |
| 2280 | if (!pd_active && cc_debounced) |
| 2281 | try_rerun_apsd_for_hvdcp(chg); |
| 2282 | |
| 2283 | chg->pd_active = pd_active; |
Harry Yang | 6607b4a | 2016-05-17 17:50:09 -0700 | [diff] [blame] | 2284 | smblib_update_usb_type(chg); |
Abhijeet Dharmapurikar | 76e2af5 | 2016-10-06 17:25:01 -0700 | [diff] [blame] | 2285 | power_supply_changed(chg->usb_psy); |
| 2286 | |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 2287 | return rc; |
| 2288 | } |
| 2289 | |
Fenglin Wu | edd7079 | 2016-11-22 13:16:19 +0800 | [diff] [blame] | 2290 | int smblib_set_prop_ship_mode(struct smb_charger *chg, |
| 2291 | const union power_supply_propval *val) |
| 2292 | { |
| 2293 | int rc; |
| 2294 | |
| 2295 | smblib_dbg(chg, PR_MISC, "Set ship mode: %d!!\n", !!val->intval); |
| 2296 | |
| 2297 | rc = smblib_masked_write(chg, SHIP_MODE_REG, SHIP_MODE_EN_BIT, |
| 2298 | !!val->intval ? SHIP_MODE_EN_BIT : 0); |
| 2299 | if (rc < 0) |
| 2300 | dev_err(chg->dev, "Couldn't %s ship mode, rc=%d\n", |
| 2301 | !!val->intval ? "enable" : "disable", rc); |
| 2302 | |
| 2303 | return rc; |
| 2304 | } |
| 2305 | |
Harry Yang | 5e2bb71 | 2016-10-18 16:47:48 -0700 | [diff] [blame] | 2306 | int smblib_reg_block_update(struct smb_charger *chg, |
| 2307 | struct reg_info *entry) |
| 2308 | { |
| 2309 | int rc = 0; |
| 2310 | |
| 2311 | while (entry && entry->reg) { |
| 2312 | rc = smblib_read(chg, entry->reg, &entry->bak); |
| 2313 | if (rc < 0) { |
| 2314 | dev_err(chg->dev, "Error in reading %s rc=%d\n", |
| 2315 | entry->desc, rc); |
| 2316 | break; |
| 2317 | } |
| 2318 | entry->bak &= entry->mask; |
| 2319 | |
| 2320 | rc = smblib_masked_write(chg, entry->reg, |
| 2321 | entry->mask, entry->val); |
| 2322 | if (rc < 0) { |
| 2323 | dev_err(chg->dev, "Error in writing %s rc=%d\n", |
| 2324 | entry->desc, rc); |
| 2325 | break; |
| 2326 | } |
| 2327 | entry++; |
| 2328 | } |
| 2329 | |
| 2330 | return rc; |
| 2331 | } |
| 2332 | |
| 2333 | int smblib_reg_block_restore(struct smb_charger *chg, |
| 2334 | struct reg_info *entry) |
| 2335 | { |
| 2336 | int rc = 0; |
| 2337 | |
| 2338 | while (entry && entry->reg) { |
| 2339 | rc = smblib_masked_write(chg, entry->reg, |
| 2340 | entry->mask, entry->bak); |
| 2341 | if (rc < 0) { |
| 2342 | dev_err(chg->dev, "Error in writing %s rc=%d\n", |
| 2343 | entry->desc, rc); |
| 2344 | break; |
| 2345 | } |
| 2346 | entry++; |
| 2347 | } |
| 2348 | |
| 2349 | return rc; |
| 2350 | } |
| 2351 | |
Harry Yang | 755a34b | 2016-11-01 01:18:51 -0700 | [diff] [blame] | 2352 | static struct reg_info cc2_detach_settings[] = { |
| 2353 | { |
Nicholas Troast | 62f5e14 | 2017-01-27 13:55:49 -0800 | [diff] [blame] | 2354 | .reg = TYPE_C_CFG_REG, |
| 2355 | .mask = APSD_START_ON_CC_BIT, |
| 2356 | .val = 0, |
| 2357 | .desc = "TYPE_C_CFG_REG", |
| 2358 | }, |
| 2359 | { |
Harry Yang | 755a34b | 2016-11-01 01:18:51 -0700 | [diff] [blame] | 2360 | .reg = TYPE_C_CFG_2_REG, |
| 2361 | .mask = TYPE_C_UFP_MODE_BIT | EN_TRY_SOURCE_MODE_BIT, |
| 2362 | .val = TYPE_C_UFP_MODE_BIT, |
| 2363 | .desc = "TYPE_C_CFG_2_REG", |
| 2364 | }, |
| 2365 | { |
| 2366 | .reg = TYPE_C_CFG_3_REG, |
| 2367 | .mask = EN_TRYSINK_MODE_BIT, |
| 2368 | .val = 0, |
| 2369 | .desc = "TYPE_C_CFG_3_REG", |
| 2370 | }, |
| 2371 | { |
| 2372 | .reg = TAPER_TIMER_SEL_CFG_REG, |
| 2373 | .mask = TYPEC_SPARE_CFG_BIT, |
| 2374 | .val = TYPEC_SPARE_CFG_BIT, |
| 2375 | .desc = "TAPER_TIMER_SEL_CFG_REG", |
| 2376 | }, |
| 2377 | { |
| 2378 | .reg = TYPE_C_INTRPT_ENB_SOFTWARE_CTRL_REG, |
| 2379 | .mask = VCONN_EN_ORIENTATION_BIT, |
| 2380 | .val = 0, |
| 2381 | .desc = "TYPE_C_INTRPT_ENB_SOFTWARE_CTRL_REG", |
| 2382 | }, |
| 2383 | { |
| 2384 | .reg = MISC_CFG_REG, |
| 2385 | .mask = TCC_DEBOUNCE_20MS_BIT, |
| 2386 | .val = TCC_DEBOUNCE_20MS_BIT, |
| 2387 | .desc = "Tccdebounce time" |
| 2388 | }, |
| 2389 | { |
| 2390 | }, |
| 2391 | }; |
| 2392 | |
| 2393 | static int smblib_cc2_sink_removal_enter(struct smb_charger *chg) |
| 2394 | { |
| 2395 | int rc = 0; |
| 2396 | union power_supply_propval cc2_val = {0, }; |
| 2397 | |
| 2398 | if ((chg->wa_flags & TYPEC_CC2_REMOVAL_WA_BIT) == 0) |
| 2399 | return rc; |
| 2400 | |
| 2401 | if (chg->cc2_sink_detach_flag != CC2_SINK_NONE) |
| 2402 | return rc; |
| 2403 | |
| 2404 | rc = smblib_get_prop_typec_cc_orientation(chg, &cc2_val); |
| 2405 | if (rc < 0) { |
| 2406 | smblib_err(chg, "Couldn't get cc orientation rc=%d\n", rc); |
| 2407 | return rc; |
| 2408 | } |
| 2409 | if (cc2_val.intval == 1) |
| 2410 | return rc; |
| 2411 | |
| 2412 | rc = smblib_get_prop_typec_mode(chg, &cc2_val); |
| 2413 | if (rc < 0) { |
| 2414 | smblib_err(chg, "Couldn't get prop typec mode rc=%d\n", rc); |
| 2415 | return rc; |
| 2416 | } |
| 2417 | |
| 2418 | switch (cc2_val.intval) { |
| 2419 | case POWER_SUPPLY_TYPEC_SOURCE_DEFAULT: |
| 2420 | smblib_reg_block_update(chg, cc2_detach_settings); |
| 2421 | chg->cc2_sink_detach_flag = CC2_SINK_STD; |
| 2422 | schedule_work(&chg->rdstd_cc2_detach_work); |
| 2423 | break; |
Harry Yang | 86e4d85 | 2016-11-07 15:08:47 -0800 | [diff] [blame] | 2424 | case POWER_SUPPLY_TYPEC_SOURCE_MEDIUM: |
| 2425 | case POWER_SUPPLY_TYPEC_SOURCE_HIGH: |
| 2426 | chg->cc2_sink_detach_flag = CC2_SINK_MEDIUM_HIGH; |
| 2427 | break; |
Harry Yang | 755a34b | 2016-11-01 01:18:51 -0700 | [diff] [blame] | 2428 | default: |
| 2429 | break; |
| 2430 | } |
| 2431 | |
| 2432 | return rc; |
| 2433 | } |
| 2434 | |
| 2435 | static int smblib_cc2_sink_removal_exit(struct smb_charger *chg) |
| 2436 | { |
| 2437 | int rc = 0; |
| 2438 | |
| 2439 | if ((chg->wa_flags & TYPEC_CC2_REMOVAL_WA_BIT) == 0) |
| 2440 | return rc; |
| 2441 | |
| 2442 | if (chg->cc2_sink_detach_flag == CC2_SINK_STD) { |
| 2443 | cancel_work_sync(&chg->rdstd_cc2_detach_work); |
| 2444 | smblib_reg_block_restore(chg, cc2_detach_settings); |
| 2445 | } |
| 2446 | |
| 2447 | chg->cc2_sink_detach_flag = CC2_SINK_NONE; |
| 2448 | |
| 2449 | return rc; |
| 2450 | } |
| 2451 | |
Abhijeet Dharmapurikar | f8a7a4a | 2016-10-07 18:46:45 -0700 | [diff] [blame] | 2452 | int smblib_set_prop_pd_in_hard_reset(struct smb_charger *chg, |
| 2453 | const union power_supply_propval *val) |
| 2454 | { |
| 2455 | int rc; |
| 2456 | |
| 2457 | rc = smblib_masked_write(chg, TYPE_C_INTRPT_ENB_SOFTWARE_CTRL_REG, |
| 2458 | EXIT_SNK_BASED_ON_CC_BIT, |
| 2459 | (val->intval) ? EXIT_SNK_BASED_ON_CC_BIT : 0); |
Harry Yang | 755a34b | 2016-11-01 01:18:51 -0700 | [diff] [blame] | 2460 | if (rc < 0) { |
| 2461 | smblib_err(chg, "Could not set EXIT_SNK_BASED_ON_CC rc=%d\n", |
| 2462 | rc); |
| 2463 | return rc; |
| 2464 | } |
Abhijeet Dharmapurikar | f8a7a4a | 2016-10-07 18:46:45 -0700 | [diff] [blame] | 2465 | |
| 2466 | vote(chg->apsd_disable_votable, PD_HARD_RESET_VOTER, val->intval, 0); |
| 2467 | |
Harry Yang | 755a34b | 2016-11-01 01:18:51 -0700 | [diff] [blame] | 2468 | if (val->intval) |
| 2469 | rc = smblib_cc2_sink_removal_enter(chg); |
| 2470 | else |
| 2471 | rc = smblib_cc2_sink_removal_exit(chg); |
| 2472 | |
| 2473 | if (rc < 0) { |
| 2474 | smblib_err(chg, "Could not detect cc2 removal rc=%d\n", rc); |
| 2475 | return rc; |
| 2476 | } |
| 2477 | |
Abhijeet Dharmapurikar | f8a7a4a | 2016-10-07 18:46:45 -0700 | [diff] [blame] | 2478 | return rc; |
| 2479 | } |
| 2480 | |
Nicholas Troast | 7dbcad2 | 2016-10-05 13:30:18 -0700 | [diff] [blame] | 2481 | /************************ |
Abhijeet Dharmapurikar | 7442e42 | 2017-02-08 13:35:14 -0800 | [diff] [blame] | 2482 | * USB MAIN PSY GETTERS * |
| 2483 | ************************/ |
| 2484 | int smblib_get_prop_fcc_delta(struct smb_charger *chg, |
| 2485 | union power_supply_propval *val) |
| 2486 | { |
| 2487 | int rc, jeita_cc_delta_ua, step_cc_delta_ua, hw_cc_delta_ua = 0; |
| 2488 | |
| 2489 | rc = smblib_get_step_cc_delta(chg, &step_cc_delta_ua); |
| 2490 | if (rc < 0) { |
| 2491 | smblib_err(chg, "Couldn't get step cc delta rc=%d\n", rc); |
| 2492 | step_cc_delta_ua = 0; |
| 2493 | } else { |
| 2494 | hw_cc_delta_ua = step_cc_delta_ua; |
| 2495 | } |
| 2496 | |
| 2497 | rc = smblib_get_jeita_cc_delta(chg, &jeita_cc_delta_ua); |
| 2498 | if (rc < 0) { |
| 2499 | smblib_err(chg, "Couldn't get jeita cc delta rc=%d\n", rc); |
| 2500 | jeita_cc_delta_ua = 0; |
| 2501 | } else if (jeita_cc_delta_ua < 0) { |
| 2502 | /* HW will take the min between JEITA and step charge */ |
| 2503 | hw_cc_delta_ua = min(hw_cc_delta_ua, jeita_cc_delta_ua); |
| 2504 | } |
| 2505 | |
| 2506 | val->intval = hw_cc_delta_ua; |
| 2507 | return 0; |
| 2508 | } |
| 2509 | |
| 2510 | /************************ |
| 2511 | * USB MAIN PSY SETTERS * |
| 2512 | ************************/ |
| 2513 | |
| 2514 | #define SDP_CURRENT_MA 500000 |
| 2515 | #define CDP_CURRENT_MA 1500000 |
| 2516 | #define DCP_CURRENT_MA 1500000 |
| 2517 | #define HVDCP_CURRENT_MA 3000000 |
| 2518 | #define TYPEC_DEFAULT_CURRENT_MA 900000 |
| 2519 | #define TYPEC_MEDIUM_CURRENT_MA 1500000 |
| 2520 | #define TYPEC_HIGH_CURRENT_MA 3000000 |
| 2521 | static int smblib_get_charge_current(struct smb_charger *chg, |
| 2522 | int *total_current_ua) |
| 2523 | { |
| 2524 | const struct apsd_result *apsd_result = smblib_update_usb_type(chg); |
| 2525 | union power_supply_propval val = {0, }; |
| 2526 | int rc, typec_source_rd, current_ua; |
| 2527 | bool non_compliant; |
| 2528 | u8 stat5; |
| 2529 | |
| 2530 | rc = smblib_read(chg, TYPE_C_STATUS_5_REG, &stat5); |
| 2531 | if (rc < 0) { |
| 2532 | smblib_err(chg, "Couldn't read TYPE_C_STATUS_5 rc=%d\n", rc); |
| 2533 | return rc; |
| 2534 | } |
| 2535 | non_compliant = stat5 & TYPEC_NONCOMP_LEGACY_CABLE_STATUS_BIT; |
| 2536 | |
| 2537 | /* get settled ICL */ |
| 2538 | rc = smblib_get_prop_input_current_settled(chg, &val); |
| 2539 | if (rc < 0) { |
| 2540 | smblib_err(chg, "Couldn't get settled ICL rc=%d\n", rc); |
| 2541 | return rc; |
| 2542 | } |
| 2543 | |
| 2544 | typec_source_rd = smblib_get_prop_ufp_mode(chg); |
| 2545 | |
| 2546 | /* QC 2.0/3.0 adapter */ |
| 2547 | if (apsd_result->bit & (QC_3P0_BIT | QC_2P0_BIT)) { |
| 2548 | *total_current_ua = HVDCP_CURRENT_MA; |
| 2549 | return 0; |
| 2550 | } |
| 2551 | |
| 2552 | if (non_compliant) { |
| 2553 | switch (apsd_result->bit) { |
| 2554 | case CDP_CHARGER_BIT: |
| 2555 | current_ua = CDP_CURRENT_MA; |
| 2556 | break; |
| 2557 | case DCP_CHARGER_BIT: |
| 2558 | case OCP_CHARGER_BIT: |
| 2559 | case FLOAT_CHARGER_BIT: |
| 2560 | current_ua = DCP_CURRENT_MA; |
| 2561 | break; |
| 2562 | default: |
| 2563 | current_ua = 0; |
| 2564 | break; |
| 2565 | } |
| 2566 | |
| 2567 | *total_current_ua = max(current_ua, val.intval); |
| 2568 | return 0; |
| 2569 | } |
| 2570 | |
| 2571 | switch (typec_source_rd) { |
| 2572 | case POWER_SUPPLY_TYPEC_SOURCE_DEFAULT: |
| 2573 | switch (apsd_result->bit) { |
| 2574 | case CDP_CHARGER_BIT: |
| 2575 | current_ua = CDP_CURRENT_MA; |
| 2576 | break; |
| 2577 | case DCP_CHARGER_BIT: |
| 2578 | case OCP_CHARGER_BIT: |
| 2579 | case FLOAT_CHARGER_BIT: |
| 2580 | current_ua = chg->default_icl_ua; |
| 2581 | break; |
| 2582 | default: |
| 2583 | current_ua = 0; |
| 2584 | break; |
| 2585 | } |
| 2586 | break; |
| 2587 | case POWER_SUPPLY_TYPEC_SOURCE_MEDIUM: |
| 2588 | current_ua = TYPEC_MEDIUM_CURRENT_MA; |
| 2589 | break; |
| 2590 | case POWER_SUPPLY_TYPEC_SOURCE_HIGH: |
| 2591 | current_ua = TYPEC_HIGH_CURRENT_MA; |
| 2592 | break; |
| 2593 | case POWER_SUPPLY_TYPEC_NON_COMPLIANT: |
| 2594 | case POWER_SUPPLY_TYPEC_NONE: |
| 2595 | default: |
| 2596 | current_ua = 0; |
| 2597 | break; |
| 2598 | } |
| 2599 | |
| 2600 | *total_current_ua = max(current_ua, val.intval); |
| 2601 | return 0; |
| 2602 | } |
| 2603 | |
| 2604 | int smblib_set_icl_reduction(struct smb_charger *chg, int reduction_ua) |
| 2605 | { |
| 2606 | int current_ua, rc; |
| 2607 | |
| 2608 | if (reduction_ua == 0) { |
| 2609 | chg->icl_reduction_ua = 0; |
| 2610 | vote(chg->usb_icl_votable, PL_USBIN_USBIN_VOTER, false, 0); |
| 2611 | } else { |
| 2612 | /* |
| 2613 | * No usb_icl voter means we are defaulting to hw chosen |
| 2614 | * max limit. We need a vote from s/w to enforce the reduction. |
| 2615 | */ |
| 2616 | if (get_effective_result(chg->usb_icl_votable) == -EINVAL) { |
| 2617 | rc = smblib_get_charge_current(chg, ¤t_ua); |
| 2618 | if (rc < 0) { |
| 2619 | pr_err("Failed to get ICL rc=%d\n", rc); |
| 2620 | return rc; |
| 2621 | } |
| 2622 | vote(chg->usb_icl_votable, PL_USBIN_USBIN_VOTER, true, |
| 2623 | current_ua); |
| 2624 | } |
| 2625 | } |
| 2626 | |
| 2627 | return rerun_election(chg->usb_icl_votable); |
| 2628 | } |
| 2629 | |
| 2630 | /************************ |
Nicholas Troast | 7dbcad2 | 2016-10-05 13:30:18 -0700 | [diff] [blame] | 2631 | * PARALLEL PSY GETTERS * |
| 2632 | ************************/ |
| 2633 | |
| 2634 | int smblib_get_prop_slave_current_now(struct smb_charger *chg, |
| 2635 | union power_supply_propval *pval) |
| 2636 | { |
| 2637 | if (IS_ERR_OR_NULL(chg->iio.batt_i_chan)) |
| 2638 | chg->iio.batt_i_chan = iio_channel_get(chg->dev, "batt_i"); |
| 2639 | |
| 2640 | if (IS_ERR(chg->iio.batt_i_chan)) |
| 2641 | return PTR_ERR(chg->iio.batt_i_chan); |
| 2642 | |
| 2643 | return iio_read_channel_processed(chg->iio.batt_i_chan, &pval->intval); |
| 2644 | } |
| 2645 | |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 2646 | /********************** |
| 2647 | * INTERRUPT HANDLERS * |
| 2648 | **********************/ |
| 2649 | |
| 2650 | irqreturn_t smblib_handle_debug(int irq, void *data) |
| 2651 | { |
| 2652 | struct smb_irq_data *irq_data = data; |
| 2653 | struct smb_charger *chg = irq_data->parent_data; |
| 2654 | |
| 2655 | smblib_dbg(chg, PR_INTERRUPT, "IRQ: %s\n", irq_data->name); |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 2656 | return IRQ_HANDLED; |
| 2657 | } |
| 2658 | |
Nicholas Troast | 8995a70 | 2016-12-05 10:22:22 -0800 | [diff] [blame] | 2659 | irqreturn_t smblib_handle_otg_overcurrent(int irq, void *data) |
| 2660 | { |
| 2661 | struct smb_irq_data *irq_data = data; |
| 2662 | struct smb_charger *chg = irq_data->parent_data; |
| 2663 | int rc; |
| 2664 | u8 stat; |
| 2665 | |
| 2666 | rc = smblib_read(chg, OTG_BASE + INT_RT_STS_OFFSET, &stat); |
| 2667 | if (rc < 0) { |
| 2668 | dev_err(chg->dev, "Couldn't read OTG_INT_RT_STS rc=%d\n", rc); |
| 2669 | return IRQ_HANDLED; |
| 2670 | } |
| 2671 | |
Nicholas Troast | b11015f | 2017-01-17 17:56:45 -0800 | [diff] [blame] | 2672 | if (stat & OTG_OVERCURRENT_RT_STS_BIT) |
| 2673 | schedule_work(&chg->otg_oc_work); |
Nicholas Troast | 8995a70 | 2016-12-05 10:22:22 -0800 | [diff] [blame] | 2674 | |
Nicholas Troast | 8995a70 | 2016-12-05 10:22:22 -0800 | [diff] [blame] | 2675 | return IRQ_HANDLED; |
| 2676 | } |
| 2677 | |
Harry Yang | 6fe72ab | 2016-06-14 16:21:39 -0700 | [diff] [blame] | 2678 | irqreturn_t smblib_handle_chg_state_change(int irq, void *data) |
| 2679 | { |
| 2680 | struct smb_irq_data *irq_data = data; |
| 2681 | struct smb_charger *chg = irq_data->parent_data; |
Nicholas Troast | 8cb7755 | 2016-09-23 11:50:18 -0700 | [diff] [blame] | 2682 | u8 stat; |
Harry Yang | 1d1034c | 2016-06-15 12:09:42 -0700 | [diff] [blame] | 2683 | int rc; |
Harry Yang | 6fe72ab | 2016-06-14 16:21:39 -0700 | [diff] [blame] | 2684 | |
| 2685 | smblib_dbg(chg, PR_INTERRUPT, "IRQ: %s\n", irq_data->name); |
| 2686 | |
Nicholas Troast | 8cb7755 | 2016-09-23 11:50:18 -0700 | [diff] [blame] | 2687 | rc = smblib_read(chg, BATTERY_CHARGER_STATUS_1_REG, &stat); |
Harry Yang | 1d1034c | 2016-06-15 12:09:42 -0700 | [diff] [blame] | 2688 | if (rc < 0) { |
Abhijeet Dharmapurikar | 31b98f3 | 2016-10-14 12:25:23 -0700 | [diff] [blame] | 2689 | smblib_err(chg, "Couldn't read BATTERY_CHARGER_STATUS_1 rc=%d\n", |
Nicholas Troast | 8cb7755 | 2016-09-23 11:50:18 -0700 | [diff] [blame] | 2690 | rc); |
Harry Yang | 1d1034c | 2016-06-15 12:09:42 -0700 | [diff] [blame] | 2691 | return IRQ_HANDLED; |
| 2692 | } |
| 2693 | |
Nicholas Troast | 8cb7755 | 2016-09-23 11:50:18 -0700 | [diff] [blame] | 2694 | stat = stat & BATTERY_CHARGER_STATUS_MASK; |
Nicholas Troast | 8cb7755 | 2016-09-23 11:50:18 -0700 | [diff] [blame] | 2695 | power_supply_changed(chg->batt_psy); |
Harry Yang | 6fe72ab | 2016-06-14 16:21:39 -0700 | [diff] [blame] | 2696 | return IRQ_HANDLED; |
| 2697 | } |
| 2698 | |
Harry Yang | fe91384 | 2016-08-10 12:27:28 -0700 | [diff] [blame] | 2699 | irqreturn_t smblib_handle_step_chg_state_change(int irq, void *data) |
| 2700 | { |
| 2701 | struct smb_irq_data *irq_data = data; |
| 2702 | struct smb_charger *chg = irq_data->parent_data; |
| 2703 | |
| 2704 | smblib_dbg(chg, PR_INTERRUPT, "IRQ: %s\n", irq_data->name); |
| 2705 | |
| 2706 | if (chg->step_chg_enabled) |
| 2707 | rerun_election(chg->fcc_votable); |
| 2708 | |
| 2709 | return IRQ_HANDLED; |
| 2710 | } |
| 2711 | |
| 2712 | irqreturn_t smblib_handle_step_chg_soc_update_fail(int irq, void *data) |
| 2713 | { |
| 2714 | struct smb_irq_data *irq_data = data; |
| 2715 | struct smb_charger *chg = irq_data->parent_data; |
| 2716 | |
| 2717 | smblib_dbg(chg, PR_INTERRUPT, "IRQ: %s\n", irq_data->name); |
| 2718 | |
| 2719 | if (chg->step_chg_enabled) |
| 2720 | rerun_election(chg->fcc_votable); |
| 2721 | |
| 2722 | return IRQ_HANDLED; |
| 2723 | } |
| 2724 | |
| 2725 | #define STEP_SOC_REQ_MS 3000 |
| 2726 | irqreturn_t smblib_handle_step_chg_soc_update_request(int irq, void *data) |
| 2727 | { |
| 2728 | struct smb_irq_data *irq_data = data; |
| 2729 | struct smb_charger *chg = irq_data->parent_data; |
| 2730 | int rc; |
| 2731 | union power_supply_propval pval = {0, }; |
| 2732 | |
| 2733 | smblib_dbg(chg, PR_INTERRUPT, "IRQ: %s\n", irq_data->name); |
| 2734 | |
| 2735 | if (!chg->bms_psy) { |
| 2736 | schedule_delayed_work(&chg->step_soc_req_work, |
| 2737 | msecs_to_jiffies(STEP_SOC_REQ_MS)); |
| 2738 | return IRQ_HANDLED; |
| 2739 | } |
| 2740 | |
| 2741 | rc = smblib_get_prop_batt_capacity(chg, &pval); |
| 2742 | if (rc < 0) |
Abhijeet Dharmapurikar | 31b98f3 | 2016-10-14 12:25:23 -0700 | [diff] [blame] | 2743 | smblib_err(chg, "Couldn't get batt capacity rc=%d\n", rc); |
Harry Yang | fe91384 | 2016-08-10 12:27:28 -0700 | [diff] [blame] | 2744 | else |
| 2745 | step_charge_soc_update(chg, pval.intval); |
| 2746 | |
| 2747 | return IRQ_HANDLED; |
| 2748 | } |
| 2749 | |
Abhijeet Dharmapurikar | 2644cd6 | 2016-07-20 16:54:55 -0700 | [diff] [blame] | 2750 | irqreturn_t smblib_handle_batt_temp_changed(int irq, void *data) |
| 2751 | { |
| 2752 | struct smb_irq_data *irq_data = data; |
| 2753 | struct smb_charger *chg = irq_data->parent_data; |
| 2754 | |
| 2755 | rerun_election(chg->fcc_votable); |
| 2756 | power_supply_changed(chg->batt_psy); |
| 2757 | return IRQ_HANDLED; |
| 2758 | } |
| 2759 | |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 2760 | irqreturn_t smblib_handle_batt_psy_changed(int irq, void *data) |
| 2761 | { |
| 2762 | struct smb_irq_data *irq_data = data; |
| 2763 | struct smb_charger *chg = irq_data->parent_data; |
| 2764 | |
Nicholas Troast | 47ae461 | 2016-08-03 09:49:36 -0700 | [diff] [blame] | 2765 | smblib_dbg(chg, PR_INTERRUPT, "IRQ: %s\n", irq_data->name); |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 2766 | power_supply_changed(chg->batt_psy); |
| 2767 | return IRQ_HANDLED; |
| 2768 | } |
| 2769 | |
| 2770 | irqreturn_t smblib_handle_usb_psy_changed(int irq, void *data) |
| 2771 | { |
| 2772 | struct smb_irq_data *irq_data = data; |
| 2773 | struct smb_charger *chg = irq_data->parent_data; |
| 2774 | |
Nicholas Troast | 47ae461 | 2016-08-03 09:49:36 -0700 | [diff] [blame] | 2775 | smblib_dbg(chg, PR_INTERRUPT, "IRQ: %s\n", irq_data->name); |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 2776 | power_supply_changed(chg->usb_psy); |
| 2777 | return IRQ_HANDLED; |
| 2778 | } |
| 2779 | |
| 2780 | irqreturn_t smblib_handle_usb_plugin(int irq, void *data) |
| 2781 | { |
| 2782 | struct smb_irq_data *irq_data = data; |
| 2783 | struct smb_charger *chg = irq_data->parent_data; |
| 2784 | int rc; |
| 2785 | u8 stat; |
Nicholas Troast | 7ec38eb | 2016-11-14 10:28:39 -0800 | [diff] [blame] | 2786 | bool vbus_rising; |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 2787 | |
Harry Yang | cdad2bf | 2016-10-04 17:03:56 -0700 | [diff] [blame] | 2788 | rc = smblib_read(chg, USBIN_BASE + INT_RT_STS_OFFSET, &stat); |
| 2789 | if (rc < 0) { |
| 2790 | dev_err(chg->dev, "Couldn't read USB_INT_RT_STS rc=%d\n", rc); |
| 2791 | return IRQ_HANDLED; |
| 2792 | } |
| 2793 | |
Nicholas Troast | 7ec38eb | 2016-11-14 10:28:39 -0800 | [diff] [blame] | 2794 | vbus_rising = (bool)(stat & USBIN_PLUGIN_RT_STS_BIT); |
Harry Yang | cdad2bf | 2016-10-04 17:03:56 -0700 | [diff] [blame] | 2795 | smblib_set_opt_freq_buck(chg, |
Anirudh Ghayal | 4da3df9 | 2017-01-25 18:55:57 +0530 | [diff] [blame] | 2796 | vbus_rising ? chg->chg_freq.freq_5V : |
| 2797 | chg->chg_freq.freq_removal); |
Harry Yang | cdad2bf | 2016-10-04 17:03:56 -0700 | [diff] [blame] | 2798 | |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 2799 | /* fetch the DPDM regulator */ |
| 2800 | if (!chg->dpdm_reg && of_get_property(chg->dev->of_node, |
Ashay Jaiswal | 4aa2c0c | 2016-12-07 19:39:38 +0530 | [diff] [blame] | 2801 | "dpdm-supply", NULL)) { |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 2802 | chg->dpdm_reg = devm_regulator_get(chg->dev, "dpdm"); |
| 2803 | if (IS_ERR(chg->dpdm_reg)) { |
Abhijeet Dharmapurikar | 31b98f3 | 2016-10-14 12:25:23 -0700 | [diff] [blame] | 2804 | smblib_err(chg, "Couldn't get dpdm regulator rc=%ld\n", |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 2805 | PTR_ERR(chg->dpdm_reg)); |
| 2806 | chg->dpdm_reg = NULL; |
| 2807 | } |
| 2808 | } |
| 2809 | |
Nicholas Troast | 7ec38eb | 2016-11-14 10:28:39 -0800 | [diff] [blame] | 2810 | if (vbus_rising) { |
Nicholas Troast | abedaf7 | 2016-09-16 11:07:45 -0700 | [diff] [blame] | 2811 | if (chg->dpdm_reg && !regulator_is_enabled(chg->dpdm_reg)) { |
Abhijeet Dharmapurikar | 17288f2 | 2016-07-05 14:03:31 -0700 | [diff] [blame] | 2812 | smblib_dbg(chg, PR_MISC, "enabling DPDM regulator\n"); |
| 2813 | rc = regulator_enable(chg->dpdm_reg); |
| 2814 | if (rc < 0) |
Abhijeet Dharmapurikar | 31b98f3 | 2016-10-14 12:25:23 -0700 | [diff] [blame] | 2815 | smblib_err(chg, "Couldn't enable dpdm regulator rc=%d\n", |
Abhijeet Dharmapurikar | 17288f2 | 2016-07-05 14:03:31 -0700 | [diff] [blame] | 2816 | rc); |
| 2817 | } |
| 2818 | } else { |
Abhijeet Dharmapurikar | 2823fe3 | 2016-12-05 17:52:11 -0800 | [diff] [blame] | 2819 | if (chg->wa_flags & BOOST_BACK_WA) |
Nicholas Troast | abedaf7 | 2016-09-16 11:07:45 -0700 | [diff] [blame] | 2820 | vote(chg->usb_suspend_votable, |
| 2821 | BOOST_BACK_VOTER, false, 0); |
Nicholas Troast | abedaf7 | 2016-09-16 11:07:45 -0700 | [diff] [blame] | 2822 | |
| 2823 | if (chg->dpdm_reg && regulator_is_enabled(chg->dpdm_reg)) { |
Abhijeet Dharmapurikar | 17288f2 | 2016-07-05 14:03:31 -0700 | [diff] [blame] | 2824 | smblib_dbg(chg, PR_MISC, "disabling DPDM regulator\n"); |
| 2825 | rc = regulator_disable(chg->dpdm_reg); |
| 2826 | if (rc < 0) |
Abhijeet Dharmapurikar | 31b98f3 | 2016-10-14 12:25:23 -0700 | [diff] [blame] | 2827 | smblib_err(chg, "Couldn't disable dpdm regulator rc=%d\n", |
Abhijeet Dharmapurikar | 17288f2 | 2016-07-05 14:03:31 -0700 | [diff] [blame] | 2828 | rc); |
| 2829 | } |
Ashay Jaiswal | 4aa2c0c | 2016-12-07 19:39:38 +0530 | [diff] [blame] | 2830 | |
| 2831 | if (chg->micro_usb_mode) { |
| 2832 | smblib_update_usb_type(chg); |
| 2833 | extcon_set_cable_state_(chg->extcon, EXTCON_USB, false); |
| 2834 | smblib_uusb_removal(chg); |
| 2835 | } |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 2836 | } |
| 2837 | |
Nicholas Troast | 62d8662 | 2016-09-22 11:41:33 -0700 | [diff] [blame] | 2838 | power_supply_changed(chg->usb_psy); |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 2839 | smblib_dbg(chg, PR_INTERRUPT, "IRQ: %s %s\n", |
Ashay Jaiswal | 4aa2c0c | 2016-12-07 19:39:38 +0530 | [diff] [blame] | 2840 | irq_data->name, vbus_rising ? "attached" : "detached"); |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 2841 | return IRQ_HANDLED; |
| 2842 | } |
| 2843 | |
Abhijeet Dharmapurikar | c0b0f59 | 2016-10-14 10:55:42 -0700 | [diff] [blame] | 2844 | #define USB_WEAK_INPUT_UA 1400000 |
Harry Yang | 6fe72ab | 2016-06-14 16:21:39 -0700 | [diff] [blame] | 2845 | irqreturn_t smblib_handle_icl_change(int irq, void *data) |
| 2846 | { |
| 2847 | struct smb_irq_data *irq_data = data; |
| 2848 | struct smb_charger *chg = irq_data->parent_data; |
Abhijeet Dharmapurikar | a8bd6f0 | 2017-01-30 15:43:04 -0800 | [diff] [blame] | 2849 | int rc, settled_ua; |
Harry Yang | aba1f5f | 2016-09-28 10:47:29 -0700 | [diff] [blame] | 2850 | |
Nicholas Troast | 87d69ba | 2016-10-10 19:29:47 -0700 | [diff] [blame] | 2851 | smblib_dbg(chg, PR_INTERRUPT, "IRQ: %s\n", irq_data->name); |
Abhijeet Dharmapurikar | c0b0f59 | 2016-10-14 10:55:42 -0700 | [diff] [blame] | 2852 | |
Abhijeet Dharmapurikar | a8bd6f0 | 2017-01-30 15:43:04 -0800 | [diff] [blame] | 2853 | rc = smblib_get_charge_param(chg, &chg->param.icl_stat, &settled_ua); |
Harry Yang | aba1f5f | 2016-09-28 10:47:29 -0700 | [diff] [blame] | 2854 | if (rc < 0) { |
Abhijeet Dharmapurikar | 31b98f3 | 2016-10-14 12:25:23 -0700 | [diff] [blame] | 2855 | smblib_err(chg, "Couldn't get ICL status rc=%d\n", rc); |
Harry Yang | aba1f5f | 2016-09-28 10:47:29 -0700 | [diff] [blame] | 2856 | return IRQ_HANDLED; |
| 2857 | } |
Harry Yang | 6fe72ab | 2016-06-14 16:21:39 -0700 | [diff] [blame] | 2858 | |
Nicholas Troast | 87d69ba | 2016-10-10 19:29:47 -0700 | [diff] [blame] | 2859 | if (chg->mode != PARALLEL_MASTER) |
| 2860 | return IRQ_HANDLED; |
Harry Yang | 1d1034c | 2016-06-15 12:09:42 -0700 | [diff] [blame] | 2861 | |
Abhijeet Dharmapurikar | a8bd6f0 | 2017-01-30 15:43:04 -0800 | [diff] [blame] | 2862 | power_supply_changed(chg->usb_main_psy); |
Nicholas Troast | 87d69ba | 2016-10-10 19:29:47 -0700 | [diff] [blame] | 2863 | |
| 2864 | vote(chg->pl_enable_votable_indirect, USBIN_I_VOTER, |
Abhijeet Dharmapurikar | a8bd6f0 | 2017-01-30 15:43:04 -0800 | [diff] [blame] | 2865 | settled_ua >= USB_WEAK_INPUT_UA, 0); |
Harry Yang | 6fe72ab | 2016-06-14 16:21:39 -0700 | [diff] [blame] | 2866 | |
| 2867 | return IRQ_HANDLED; |
| 2868 | } |
| 2869 | |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 2870 | static void smblib_handle_slow_plugin_timeout(struct smb_charger *chg, |
| 2871 | bool rising) |
| 2872 | { |
| 2873 | smblib_dbg(chg, PR_INTERRUPT, "IRQ: slow-plugin-timeout %s\n", |
| 2874 | rising ? "rising" : "falling"); |
| 2875 | } |
| 2876 | |
| 2877 | static void smblib_handle_sdp_enumeration_done(struct smb_charger *chg, |
| 2878 | bool rising) |
| 2879 | { |
| 2880 | smblib_dbg(chg, PR_INTERRUPT, "IRQ: sdp-enumeration-done %s\n", |
| 2881 | rising ? "rising" : "falling"); |
| 2882 | } |
| 2883 | |
Harry Yang | cdad2bf | 2016-10-04 17:03:56 -0700 | [diff] [blame] | 2884 | #define QC3_PULSES_FOR_6V 5 |
| 2885 | #define QC3_PULSES_FOR_9V 20 |
| 2886 | #define QC3_PULSES_FOR_12V 35 |
| 2887 | static void smblib_hvdcp_adaptive_voltage_change(struct smb_charger *chg) |
| 2888 | { |
| 2889 | int rc; |
| 2890 | u8 stat; |
| 2891 | int pulses; |
| 2892 | |
| 2893 | if (chg->usb_psy_desc.type == POWER_SUPPLY_TYPE_USB_HVDCP) { |
| 2894 | rc = smblib_read(chg, QC_CHANGE_STATUS_REG, &stat); |
| 2895 | if (rc < 0) { |
| 2896 | smblib_err(chg, |
| 2897 | "Couldn't read QC_CHANGE_STATUS rc=%d\n", rc); |
| 2898 | return; |
| 2899 | } |
| 2900 | |
| 2901 | switch (stat & QC_2P0_STATUS_MASK) { |
| 2902 | case QC_5V_BIT: |
Anirudh Ghayal | 4da3df9 | 2017-01-25 18:55:57 +0530 | [diff] [blame] | 2903 | smblib_set_opt_freq_buck(chg, |
| 2904 | chg->chg_freq.freq_5V); |
Harry Yang | cdad2bf | 2016-10-04 17:03:56 -0700 | [diff] [blame] | 2905 | break; |
| 2906 | case QC_9V_BIT: |
Anirudh Ghayal | 4da3df9 | 2017-01-25 18:55:57 +0530 | [diff] [blame] | 2907 | smblib_set_opt_freq_buck(chg, |
| 2908 | chg->chg_freq.freq_9V); |
Harry Yang | cdad2bf | 2016-10-04 17:03:56 -0700 | [diff] [blame] | 2909 | break; |
| 2910 | case QC_12V_BIT: |
Anirudh Ghayal | 4da3df9 | 2017-01-25 18:55:57 +0530 | [diff] [blame] | 2911 | smblib_set_opt_freq_buck(chg, |
| 2912 | chg->chg_freq.freq_12V); |
Harry Yang | cdad2bf | 2016-10-04 17:03:56 -0700 | [diff] [blame] | 2913 | break; |
| 2914 | default: |
Anirudh Ghayal | 4da3df9 | 2017-01-25 18:55:57 +0530 | [diff] [blame] | 2915 | smblib_set_opt_freq_buck(chg, |
| 2916 | chg->chg_freq.freq_removal); |
Harry Yang | cdad2bf | 2016-10-04 17:03:56 -0700 | [diff] [blame] | 2917 | break; |
| 2918 | } |
| 2919 | } |
| 2920 | |
| 2921 | if (chg->usb_psy_desc.type == POWER_SUPPLY_TYPE_USB_HVDCP_3) { |
| 2922 | rc = smblib_read(chg, QC_PULSE_COUNT_STATUS_REG, &stat); |
| 2923 | if (rc < 0) { |
| 2924 | smblib_err(chg, |
| 2925 | "Couldn't read QC_PULSE_COUNT rc=%d\n", rc); |
| 2926 | return; |
| 2927 | } |
| 2928 | pulses = (stat & QC_PULSE_COUNT_MASK); |
| 2929 | |
| 2930 | if (pulses < QC3_PULSES_FOR_6V) |
Anirudh Ghayal | 4da3df9 | 2017-01-25 18:55:57 +0530 | [diff] [blame] | 2931 | smblib_set_opt_freq_buck(chg, |
| 2932 | chg->chg_freq.freq_5V); |
Harry Yang | cdad2bf | 2016-10-04 17:03:56 -0700 | [diff] [blame] | 2933 | else if (pulses < QC3_PULSES_FOR_9V) |
Anirudh Ghayal | 4da3df9 | 2017-01-25 18:55:57 +0530 | [diff] [blame] | 2934 | smblib_set_opt_freq_buck(chg, |
| 2935 | chg->chg_freq.freq_6V_8V); |
Harry Yang | cdad2bf | 2016-10-04 17:03:56 -0700 | [diff] [blame] | 2936 | else if (pulses < QC3_PULSES_FOR_12V) |
Anirudh Ghayal | 4da3df9 | 2017-01-25 18:55:57 +0530 | [diff] [blame] | 2937 | smblib_set_opt_freq_buck(chg, |
| 2938 | chg->chg_freq.freq_9V); |
Harry Yang | cdad2bf | 2016-10-04 17:03:56 -0700 | [diff] [blame] | 2939 | else |
Anirudh Ghayal | 4da3df9 | 2017-01-25 18:55:57 +0530 | [diff] [blame] | 2940 | smblib_set_opt_freq_buck(chg, |
| 2941 | chg->chg_freq.freq_12V); |
Harry Yang | cdad2bf | 2016-10-04 17:03:56 -0700 | [diff] [blame] | 2942 | } |
| 2943 | } |
| 2944 | |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 2945 | static void smblib_handle_adaptive_voltage_done(struct smb_charger *chg, |
| 2946 | bool rising) |
| 2947 | { |
| 2948 | smblib_dbg(chg, PR_INTERRUPT, "IRQ: adaptive-voltage-done %s\n", |
| 2949 | rising ? "rising" : "falling"); |
| 2950 | } |
| 2951 | |
| 2952 | /* triggers when HVDCP 3.0 authentication has finished */ |
| 2953 | static void smblib_handle_hvdcp_3p0_auth_done(struct smb_charger *chg, |
| 2954 | bool rising) |
| 2955 | { |
| 2956 | const struct apsd_result *apsd_result; |
Harry Yang | cdad2bf | 2016-10-04 17:03:56 -0700 | [diff] [blame] | 2957 | int rc; |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 2958 | |
| 2959 | if (!rising) |
| 2960 | return; |
| 2961 | |
Harry Yang | cdad2bf | 2016-10-04 17:03:56 -0700 | [diff] [blame] | 2962 | /* |
| 2963 | * Disable AUTH_IRQ_EN_CFG_BIT to receive adapter voltage |
| 2964 | * change interrupt. |
| 2965 | */ |
| 2966 | rc = smblib_masked_write(chg, USBIN_SOURCE_CHANGE_INTRPT_ENB_REG, |
| 2967 | AUTH_IRQ_EN_CFG_BIT, 0); |
| 2968 | if (rc < 0) |
| 2969 | smblib_err(chg, "Couldn't enable QC auth setting rc=%d\n", rc); |
| 2970 | |
Harry Yang | aba1f5f | 2016-09-28 10:47:29 -0700 | [diff] [blame] | 2971 | if (chg->mode == PARALLEL_MASTER) |
| 2972 | vote(chg->pl_enable_votable_indirect, USBIN_V_VOTER, true, 0); |
| 2973 | |
Ashay Jaiswal | 1829fcf | 2017-02-02 22:45:22 +0530 | [diff] [blame] | 2974 | /* QC authentication done, parallel charger can be enabled now */ |
| 2975 | vote(chg->pl_disable_votable, PL_DISABLE_HVDCP_VOTER, false, 0); |
| 2976 | |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 2977 | /* the APSD done handler will set the USB supply type */ |
| 2978 | apsd_result = smblib_get_apsd_result(chg); |
| 2979 | smblib_dbg(chg, PR_INTERRUPT, "IRQ: hvdcp-3p0-auth-done rising; %s detected\n", |
| 2980 | apsd_result->name); |
| 2981 | } |
| 2982 | |
Harry Yang | 1369b7a | 2016-09-27 15:59:50 -0700 | [diff] [blame] | 2983 | static void smblib_handle_hvdcp_check_timeout(struct smb_charger *chg, |
| 2984 | bool rising, bool qc_charger) |
| 2985 | { |
Abhijeet Dharmapurikar | 9567087 | 2017-02-09 22:55:51 +0530 | [diff] [blame] | 2986 | const struct apsd_result *apsd_result = smblib_update_usb_type(chg); |
| 2987 | |
Abhijeet Dharmapurikar | 4b13c6e | 2016-10-05 15:15:10 -0700 | [diff] [blame] | 2988 | /* Hold off PD only until hvdcp 2.0 detection timeout */ |
Abhijeet Dharmapurikar | 716cd96 | 2016-10-14 12:50:37 -0700 | [diff] [blame] | 2989 | if (rising) { |
Abhijeet Dharmapurikar | 4b13c6e | 2016-10-05 15:15:10 -0700 | [diff] [blame] | 2990 | vote(chg->pd_disallowed_votable_indirect, HVDCP_TIMEOUT_VOTER, |
Abhijeet Dharmapurikar | 716cd96 | 2016-10-14 12:50:37 -0700 | [diff] [blame] | 2991 | false, 0); |
| 2992 | if (get_effective_result(chg->pd_disallowed_votable_indirect)) |
| 2993 | /* could be a legacy cable, try doing hvdcp */ |
| 2994 | try_rerun_apsd_for_hvdcp(chg); |
Abhijeet Dharmapurikar | 74021fc | 2017-02-06 18:39:19 -0800 | [diff] [blame] | 2995 | |
| 2996 | /* |
| 2997 | * HVDCP detection timeout done |
| 2998 | * If adapter is not QC2.0/QC3.0 - it is a plain old DCP. |
| 2999 | */ |
| 3000 | if (!qc_charger && (apsd_result->bit & DCP_CHARGER_BIT)) |
| 3001 | /* enforce DCP ICL if specified */ |
| 3002 | vote(chg->usb_icl_votable, DCP_VOTER, |
| 3003 | chg->dcp_icl_ua != -EINVAL, chg->dcp_icl_ua); |
Ashay Jaiswal | 1829fcf | 2017-02-02 22:45:22 +0530 | [diff] [blame] | 3004 | /* |
| 3005 | * If adapter is not QC2.0/QC3.0 remove vote for parallel |
| 3006 | * disable. |
| 3007 | * Otherwise if adapter is QC2.0/QC3.0 wait for authentication |
| 3008 | * to complete. |
| 3009 | */ |
| 3010 | if (!qc_charger) |
| 3011 | vote(chg->pl_disable_votable, PL_DISABLE_HVDCP_VOTER, |
| 3012 | false, 0); |
Abhijeet Dharmapurikar | 716cd96 | 2016-10-14 12:50:37 -0700 | [diff] [blame] | 3013 | } |
Harry Yang | 1369b7a | 2016-09-27 15:59:50 -0700 | [diff] [blame] | 3014 | |
| 3015 | smblib_dbg(chg, PR_INTERRUPT, "IRQ: smblib_handle_hvdcp_check_timeout %s\n", |
| 3016 | rising ? "rising" : "falling"); |
| 3017 | } |
| 3018 | |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 3019 | /* triggers when HVDCP is detected */ |
| 3020 | static void smblib_handle_hvdcp_detect_done(struct smb_charger *chg, |
| 3021 | bool rising) |
| 3022 | { |
| 3023 | if (!rising) |
| 3024 | return; |
| 3025 | |
| 3026 | /* the APSD done handler will set the USB supply type */ |
| 3027 | cancel_delayed_work_sync(&chg->hvdcp_detect_work); |
| 3028 | smblib_dbg(chg, PR_INTERRUPT, "IRQ: hvdcp-detect-done %s\n", |
| 3029 | rising ? "rising" : "falling"); |
| 3030 | } |
| 3031 | |
| 3032 | #define HVDCP_DET_MS 2500 |
| 3033 | static void smblib_handle_apsd_done(struct smb_charger *chg, bool rising) |
| 3034 | { |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 3035 | const struct apsd_result *apsd_result; |
| 3036 | |
| 3037 | if (!rising) |
| 3038 | return; |
| 3039 | |
Abhijeet Dharmapurikar | b959887 | 2016-10-17 16:58:58 -0700 | [diff] [blame] | 3040 | apsd_result = smblib_update_usb_type(chg); |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 3041 | switch (apsd_result->bit) { |
| 3042 | case SDP_CHARGER_BIT: |
| 3043 | case CDP_CHARGER_BIT: |
Ashay Jaiswal | 4aa2c0c | 2016-12-07 19:39:38 +0530 | [diff] [blame] | 3044 | if (chg->micro_usb_mode) |
| 3045 | extcon_set_cable_state_(chg->extcon, EXTCON_USB, |
| 3046 | true); |
Abhijeet Dharmapurikar | bb9505f | 2017-03-22 18:31:28 -0700 | [diff] [blame] | 3047 | /* if not DCP then no hvdcp timeout happens. Enable pd here */ |
| 3048 | vote(chg->pd_disallowed_votable_indirect, HVDCP_TIMEOUT_VOTER, |
| 3049 | false, 0); |
| 3050 | break; |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 3051 | case OCP_CHARGER_BIT: |
| 3052 | case FLOAT_CHARGER_BIT: |
Abhijeet Dharmapurikar | 4b13c6e | 2016-10-05 15:15:10 -0700 | [diff] [blame] | 3053 | /* if not DCP then no hvdcp timeout happens. Enable pd here */ |
| 3054 | vote(chg->pd_disallowed_votable_indirect, HVDCP_TIMEOUT_VOTER, |
| 3055 | false, 0); |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 3056 | break; |
| 3057 | case DCP_CHARGER_BIT: |
Harry Yang | 1369b7a | 2016-09-27 15:59:50 -0700 | [diff] [blame] | 3058 | if (chg->wa_flags & QC_CHARGER_DETECTION_WA_BIT) |
| 3059 | schedule_delayed_work(&chg->hvdcp_detect_work, |
| 3060 | msecs_to_jiffies(HVDCP_DET_MS)); |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 3061 | break; |
| 3062 | default: |
| 3063 | break; |
| 3064 | } |
| 3065 | |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 3066 | smblib_dbg(chg, PR_INTERRUPT, "IRQ: apsd-done rising; %s detected\n", |
| 3067 | apsd_result->name); |
| 3068 | } |
| 3069 | |
| 3070 | irqreturn_t smblib_handle_usb_source_change(int irq, void *data) |
| 3071 | { |
| 3072 | struct smb_irq_data *irq_data = data; |
| 3073 | struct smb_charger *chg = irq_data->parent_data; |
| 3074 | int rc = 0; |
| 3075 | u8 stat; |
| 3076 | |
| 3077 | rc = smblib_read(chg, APSD_STATUS_REG, &stat); |
| 3078 | if (rc < 0) { |
Abhijeet Dharmapurikar | 31b98f3 | 2016-10-14 12:25:23 -0700 | [diff] [blame] | 3079 | smblib_err(chg, "Couldn't read APSD_STATUS rc=%d\n", rc); |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 3080 | return IRQ_HANDLED; |
| 3081 | } |
| 3082 | smblib_dbg(chg, PR_REGISTER, "APSD_STATUS = 0x%02x\n", stat); |
| 3083 | |
| 3084 | smblib_handle_apsd_done(chg, |
| 3085 | (bool)(stat & APSD_DTC_STATUS_DONE_BIT)); |
| 3086 | |
| 3087 | smblib_handle_hvdcp_detect_done(chg, |
| 3088 | (bool)(stat & QC_CHARGER_BIT)); |
| 3089 | |
Harry Yang | 1369b7a | 2016-09-27 15:59:50 -0700 | [diff] [blame] | 3090 | smblib_handle_hvdcp_check_timeout(chg, |
| 3091 | (bool)(stat & HVDCP_CHECK_TIMEOUT_BIT), |
| 3092 | (bool)(stat & QC_CHARGER_BIT)); |
| 3093 | |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 3094 | smblib_handle_hvdcp_3p0_auth_done(chg, |
| 3095 | (bool)(stat & QC_AUTH_DONE_STATUS_BIT)); |
| 3096 | |
| 3097 | smblib_handle_adaptive_voltage_done(chg, |
| 3098 | (bool)(stat & VADP_CHANGE_DONE_AFTER_AUTH_BIT)); |
| 3099 | |
| 3100 | smblib_handle_sdp_enumeration_done(chg, |
| 3101 | (bool)(stat & ENUMERATION_DONE_BIT)); |
| 3102 | |
| 3103 | smblib_handle_slow_plugin_timeout(chg, |
| 3104 | (bool)(stat & SLOW_PLUGIN_TIMEOUT_BIT)); |
| 3105 | |
Harry Yang | cdad2bf | 2016-10-04 17:03:56 -0700 | [diff] [blame] | 3106 | smblib_hvdcp_adaptive_voltage_change(chg); |
| 3107 | |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 3108 | power_supply_changed(chg->usb_psy); |
| 3109 | |
| 3110 | return IRQ_HANDLED; |
| 3111 | } |
| 3112 | |
Abhijeet Dharmapurikar | 99ca045 | 2016-10-13 09:50:41 -0700 | [diff] [blame] | 3113 | static void typec_source_removal(struct smb_charger *chg) |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 3114 | { |
| 3115 | int rc; |
| 3116 | |
Abhijeet Dharmapurikar | 99ca045 | 2016-10-13 09:50:41 -0700 | [diff] [blame] | 3117 | /* reset both usbin current and voltage votes */ |
| 3118 | vote(chg->pl_enable_votable_indirect, USBIN_I_VOTER, false, 0); |
| 3119 | vote(chg->pl_enable_votable_indirect, USBIN_V_VOTER, false, 0); |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 3120 | |
Abhijeet Dharmapurikar | 99ca045 | 2016-10-13 09:50:41 -0700 | [diff] [blame] | 3121 | cancel_delayed_work_sync(&chg->hvdcp_detect_work); |
| 3122 | |
Harry Yang | cdad2bf | 2016-10-04 17:03:56 -0700 | [diff] [blame] | 3123 | /* reset AUTH_IRQ_EN_CFG_BIT */ |
| 3124 | rc = smblib_masked_write(chg, USBIN_SOURCE_CHANGE_INTRPT_ENB_REG, |
| 3125 | AUTH_IRQ_EN_CFG_BIT, AUTH_IRQ_EN_CFG_BIT); |
| 3126 | if (rc < 0) |
| 3127 | smblib_err(chg, "Couldn't enable QC auth setting rc=%d\n", rc); |
| 3128 | |
Abhijeet Dharmapurikar | 99ca045 | 2016-10-13 09:50:41 -0700 | [diff] [blame] | 3129 | /* reconfigure allowed voltage for HVDCP */ |
| 3130 | rc = smblib_write(chg, USBIN_ADAPTER_ALLOW_CFG_REG, |
| 3131 | USBIN_ADAPTER_ALLOW_5V_OR_9V_TO_12V); |
| 3132 | if (rc < 0) |
Abhijeet Dharmapurikar | 31b98f3 | 2016-10-14 12:25:23 -0700 | [diff] [blame] | 3133 | smblib_err(chg, "Couldn't set USBIN_ADAPTER_ALLOW_5V_OR_9V_TO_12V rc=%d\n", |
Abhijeet Dharmapurikar | 99ca045 | 2016-10-13 09:50:41 -0700 | [diff] [blame] | 3134 | rc); |
| 3135 | |
| 3136 | chg->voltage_min_uv = MICRO_5V; |
| 3137 | chg->voltage_max_uv = MICRO_5V; |
| 3138 | |
| 3139 | /* clear USB ICL vote for PD_VOTER */ |
| 3140 | rc = vote(chg->usb_icl_votable, PD_VOTER, false, 0); |
| 3141 | if (rc < 0) |
Abhijeet Dharmapurikar | 9567087 | 2017-02-09 22:55:51 +0530 | [diff] [blame] | 3142 | smblib_err(chg, "Couldn't un-vote PD from USB ICL rc=%d\n", rc); |
Abhijeet Dharmapurikar | d92eca6 | 2016-10-07 19:04:33 -0700 | [diff] [blame] | 3143 | |
| 3144 | /* clear USB ICL vote for USB_PSY_VOTER */ |
| 3145 | rc = vote(chg->usb_icl_votable, USB_PSY_VOTER, false, 0); |
| 3146 | if (rc < 0) |
Abhijeet Dharmapurikar | 9567087 | 2017-02-09 22:55:51 +0530 | [diff] [blame] | 3147 | smblib_err(chg, |
| 3148 | "Couldn't un-vote USB_PSY from USB ICL rc=%d\n", rc); |
| 3149 | |
| 3150 | /* clear USB ICL vote for DCP_VOTER */ |
| 3151 | rc = vote(chg->usb_icl_votable, DCP_VOTER, false, 0); |
| 3152 | if (rc < 0) |
| 3153 | smblib_err(chg, |
| 3154 | "Couldn't un-vote DCP from USB ICL rc=%d\n", rc); |
Abhijeet Dharmapurikar | 7442e42 | 2017-02-08 13:35:14 -0800 | [diff] [blame] | 3155 | |
| 3156 | /* clear USB ICL vote for PL_USBIN_USBIN_VOTER */ |
| 3157 | rc = vote(chg->usb_icl_votable, PL_USBIN_USBIN_VOTER, false, 0); |
| 3158 | if (rc < 0) |
| 3159 | smblib_err(chg, |
| 3160 | "Couldn't un-vote PL_USBIN_USBIN from USB ICL rc=%d\n", |
| 3161 | rc); |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 3162 | } |
| 3163 | |
Abhijeet Dharmapurikar | 99ca045 | 2016-10-13 09:50:41 -0700 | [diff] [blame] | 3164 | static void typec_source_insertion(struct smb_charger *chg) |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 3165 | { |
Abhijeet Dharmapurikar | 99ca045 | 2016-10-13 09:50:41 -0700 | [diff] [blame] | 3166 | } |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 3167 | |
Abhijeet Dharmapurikar | 99ca045 | 2016-10-13 09:50:41 -0700 | [diff] [blame] | 3168 | static void typec_sink_insertion(struct smb_charger *chg) |
| 3169 | { |
| 3170 | /* when a sink is inserted we should not wait on hvdcp timeout to |
| 3171 | * enable pd |
| 3172 | */ |
| 3173 | vote(chg->pd_disallowed_votable_indirect, HVDCP_TIMEOUT_VOTER, |
| 3174 | false, 0); |
| 3175 | } |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 3176 | |
Harry Yang | d89ff1f | 2016-12-05 14:59:11 -0800 | [diff] [blame] | 3177 | static void typec_sink_removal(struct smb_charger *chg) |
| 3178 | { |
Anirudh Ghayal | 4da3df9 | 2017-01-25 18:55:57 +0530 | [diff] [blame] | 3179 | smblib_set_charge_param(chg, &chg->param.freq_boost, |
| 3180 | chg->chg_freq.freq_above_otg_threshold); |
Harry Yang | d89ff1f | 2016-12-05 14:59:11 -0800 | [diff] [blame] | 3181 | chg->boost_current_ua = 0; |
| 3182 | } |
| 3183 | |
Abhijeet Dharmapurikar | 99ca045 | 2016-10-13 09:50:41 -0700 | [diff] [blame] | 3184 | static void smblib_handle_typec_removal(struct smb_charger *chg) |
| 3185 | { |
| 3186 | vote(chg->pd_disallowed_votable_indirect, CC_DETACHED_VOTER, true, 0); |
| 3187 | vote(chg->pd_disallowed_votable_indirect, HVDCP_TIMEOUT_VOTER, true, 0); |
| 3188 | vote(chg->pd_disallowed_votable_indirect, LEGACY_CABLE_VOTER, true, 0); |
| 3189 | vote(chg->pd_disallowed_votable_indirect, VBUS_CC_SHORT_VOTER, true, 0); |
Ashay Jaiswal | 1829fcf | 2017-02-02 22:45:22 +0530 | [diff] [blame] | 3190 | vote(chg->pl_disable_votable, PL_DISABLE_HVDCP_VOTER, true, 0); |
Abhijeet Dharmapurikar | 99ca045 | 2016-10-13 09:50:41 -0700 | [diff] [blame] | 3191 | |
| 3192 | /* reset votes from vbus_cc_short */ |
Ashay Jaiswal | 4aa2c0c | 2016-12-07 19:39:38 +0530 | [diff] [blame] | 3193 | vote(chg->hvdcp_disable_votable_indirect, VBUS_CC_SHORT_VOTER, |
| 3194 | true, 0); |
| 3195 | vote(chg->hvdcp_disable_votable_indirect, PD_INACTIVE_VOTER, |
| 3196 | true, 0); |
Harry Yang | 1d1034c | 2016-06-15 12:09:42 -0700 | [diff] [blame] | 3197 | /* |
Abhijeet Dharmapurikar | 99ca045 | 2016-10-13 09:50:41 -0700 | [diff] [blame] | 3198 | * cable could be removed during hard reset, remove its vote to |
| 3199 | * disable apsd |
Harry Yang | 1d1034c | 2016-06-15 12:09:42 -0700 | [diff] [blame] | 3200 | */ |
Abhijeet Dharmapurikar | 99ca045 | 2016-10-13 09:50:41 -0700 | [diff] [blame] | 3201 | vote(chg->apsd_disable_votable, PD_HARD_RESET_VOTER, false, 0); |
Harry Yang | 1d1034c | 2016-06-15 12:09:42 -0700 | [diff] [blame] | 3202 | |
Nicholas Troast | 8995a70 | 2016-12-05 10:22:22 -0800 | [diff] [blame] | 3203 | chg->vconn_attempts = 0; |
| 3204 | chg->otg_attempts = 0; |
Abhijeet Dharmapurikar | 99ca045 | 2016-10-13 09:50:41 -0700 | [diff] [blame] | 3205 | typec_source_removal(chg); |
Harry Yang | d89ff1f | 2016-12-05 14:59:11 -0800 | [diff] [blame] | 3206 | typec_sink_removal(chg); |
Abhijeet Dharmapurikar | e4e404b | 2016-10-12 21:46:29 -0700 | [diff] [blame] | 3207 | |
Harry Yang | 3b113a5 | 2016-12-08 12:37:40 -0800 | [diff] [blame] | 3208 | chg->usb_ever_removed = true; |
| 3209 | |
Abhijeet Dharmapurikar | e4e404b | 2016-10-12 21:46:29 -0700 | [diff] [blame] | 3210 | smblib_update_usb_type(chg); |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 3211 | } |
| 3212 | |
Abhijeet Dharmapurikar | 99ca045 | 2016-10-13 09:50:41 -0700 | [diff] [blame] | 3213 | static void smblib_handle_typec_insertion(struct smb_charger *chg, |
| 3214 | bool sink_attached, bool legacy_cable) |
Abhijeet Dharmapurikar | a8075d7 | 2016-10-06 12:59:04 -0700 | [diff] [blame] | 3215 | { |
Abhijeet Dharmapurikar | 99ca045 | 2016-10-13 09:50:41 -0700 | [diff] [blame] | 3216 | int rp; |
Abhijeet Dharmapurikar | a8075d7 | 2016-10-06 12:59:04 -0700 | [diff] [blame] | 3217 | bool vbus_cc_short = false; |
Harry Yang | 3b113a5 | 2016-12-08 12:37:40 -0800 | [diff] [blame] | 3218 | bool valid_legacy_cable; |
Abhijeet Dharmapurikar | a8075d7 | 2016-10-06 12:59:04 -0700 | [diff] [blame] | 3219 | |
Abhijeet Dharmapurikar | 99ca045 | 2016-10-13 09:50:41 -0700 | [diff] [blame] | 3220 | vote(chg->pd_disallowed_votable_indirect, CC_DETACHED_VOTER, false, 0); |
Abhijeet Dharmapurikar | a8075d7 | 2016-10-06 12:59:04 -0700 | [diff] [blame] | 3221 | |
Abhijeet Dharmapurikar | 99ca045 | 2016-10-13 09:50:41 -0700 | [diff] [blame] | 3222 | if (sink_attached) { |
| 3223 | typec_source_removal(chg); |
| 3224 | typec_sink_insertion(chg); |
| 3225 | } else { |
| 3226 | typec_source_insertion(chg); |
Harry Yang | d89ff1f | 2016-12-05 14:59:11 -0800 | [diff] [blame] | 3227 | typec_sink_removal(chg); |
Abhijeet Dharmapurikar | a8075d7 | 2016-10-06 12:59:04 -0700 | [diff] [blame] | 3228 | } |
| 3229 | |
Harry Yang | 3b113a5 | 2016-12-08 12:37:40 -0800 | [diff] [blame] | 3230 | valid_legacy_cable = legacy_cable && |
| 3231 | (chg->usb_ever_removed || !smblib_sysok_reason_usbin(chg)); |
Abhijeet Dharmapurikar | a8075d7 | 2016-10-06 12:59:04 -0700 | [diff] [blame] | 3232 | vote(chg->pd_disallowed_votable_indirect, LEGACY_CABLE_VOTER, |
Harry Yang | 3b113a5 | 2016-12-08 12:37:40 -0800 | [diff] [blame] | 3233 | valid_legacy_cable, 0); |
Abhijeet Dharmapurikar | a8075d7 | 2016-10-06 12:59:04 -0700 | [diff] [blame] | 3234 | |
Harry Yang | 3b113a5 | 2016-12-08 12:37:40 -0800 | [diff] [blame] | 3235 | if (valid_legacy_cable) { |
Abhijeet Dharmapurikar | a8075d7 | 2016-10-06 12:59:04 -0700 | [diff] [blame] | 3236 | rp = smblib_get_prop_ufp_mode(chg); |
| 3237 | if (rp == POWER_SUPPLY_TYPEC_SOURCE_HIGH |
| 3238 | || rp == POWER_SUPPLY_TYPEC_NON_COMPLIANT) { |
| 3239 | vbus_cc_short = true; |
Abhijeet Dharmapurikar | 31b98f3 | 2016-10-14 12:25:23 -0700 | [diff] [blame] | 3240 | smblib_err(chg, "Disabling PD and HVDCP, VBUS-CC shorted, rp = %d found\n", |
Abhijeet Dharmapurikar | a8075d7 | 2016-10-06 12:59:04 -0700 | [diff] [blame] | 3241 | rp); |
| 3242 | } |
| 3243 | } |
| 3244 | |
Ashay Jaiswal | 4aa2c0c | 2016-12-07 19:39:38 +0530 | [diff] [blame] | 3245 | vote(chg->hvdcp_disable_votable_indirect, VBUS_CC_SHORT_VOTER, |
| 3246 | vbus_cc_short, 0); |
Abhijeet Dharmapurikar | a8075d7 | 2016-10-06 12:59:04 -0700 | [diff] [blame] | 3247 | vote(chg->pd_disallowed_votable_indirect, VBUS_CC_SHORT_VOTER, |
| 3248 | vbus_cc_short, 0); |
| 3249 | } |
| 3250 | |
Abhijeet Dharmapurikar | 99ca045 | 2016-10-13 09:50:41 -0700 | [diff] [blame] | 3251 | static void smblib_handle_typec_debounce_done(struct smb_charger *chg, |
| 3252 | bool rising, bool sink_attached, bool legacy_cable) |
| 3253 | { |
| 3254 | int rc; |
| 3255 | union power_supply_propval pval = {0, }; |
| 3256 | |
| 3257 | if (rising) |
| 3258 | smblib_handle_typec_insertion(chg, sink_attached, legacy_cable); |
| 3259 | else |
| 3260 | smblib_handle_typec_removal(chg); |
| 3261 | |
| 3262 | rc = smblib_get_prop_typec_mode(chg, &pval); |
| 3263 | if (rc < 0) |
Abhijeet Dharmapurikar | 31b98f3 | 2016-10-14 12:25:23 -0700 | [diff] [blame] | 3264 | smblib_err(chg, "Couldn't get prop typec mode rc=%d\n", rc); |
Abhijeet Dharmapurikar | 99ca045 | 2016-10-13 09:50:41 -0700 | [diff] [blame] | 3265 | |
Harry Yang | 86e4d85 | 2016-11-07 15:08:47 -0800 | [diff] [blame] | 3266 | /* |
| 3267 | * HW BUG - after cable is removed, medium or high rd reading |
| 3268 | * falls to std. Use it for signal of typec cc detachment in |
| 3269 | * software WA. |
| 3270 | */ |
| 3271 | if (chg->cc2_sink_detach_flag == CC2_SINK_MEDIUM_HIGH |
| 3272 | && pval.intval == POWER_SUPPLY_TYPEC_SOURCE_DEFAULT) { |
| 3273 | |
| 3274 | chg->cc2_sink_detach_flag = CC2_SINK_WA_DONE; |
| 3275 | |
| 3276 | rc = smblib_masked_write(chg, |
| 3277 | TYPE_C_INTRPT_ENB_SOFTWARE_CTRL_REG, |
| 3278 | EXIT_SNK_BASED_ON_CC_BIT, 0); |
| 3279 | if (rc < 0) |
| 3280 | smblib_err(chg, "Couldn't get prop typec mode rc=%d\n", |
| 3281 | rc); |
| 3282 | } |
| 3283 | |
Abhijeet Dharmapurikar | 99ca045 | 2016-10-13 09:50:41 -0700 | [diff] [blame] | 3284 | smblib_dbg(chg, PR_INTERRUPT, "IRQ: debounce-done %s; Type-C %s detected\n", |
| 3285 | rising ? "rising" : "falling", |
| 3286 | smblib_typec_mode_name[pval.intval]); |
| 3287 | } |
| 3288 | |
Ashay Jaiswal | 4aa2c0c | 2016-12-07 19:39:38 +0530 | [diff] [blame] | 3289 | irqreturn_t smblib_handle_usb_typec_change_for_uusb(struct smb_charger *chg) |
| 3290 | { |
| 3291 | int rc; |
| 3292 | u8 stat; |
| 3293 | |
| 3294 | rc = smblib_read(chg, TYPE_C_STATUS_3_REG, &stat); |
| 3295 | if (rc < 0) { |
| 3296 | smblib_err(chg, "Couldn't read TYPE_C_STATUS_3 rc=%d\n", rc); |
| 3297 | return IRQ_HANDLED; |
| 3298 | } |
| 3299 | smblib_dbg(chg, PR_REGISTER, "TYPE_C_STATUS_3 = 0x%02x OTG=%d\n", |
| 3300 | stat, !!(stat & (U_USB_GND_NOVBUS_BIT | U_USB_GND_BIT))); |
| 3301 | |
| 3302 | extcon_set_cable_state_(chg->extcon, EXTCON_USB_HOST, |
| 3303 | !!(stat & (U_USB_GND_NOVBUS_BIT | U_USB_GND_BIT))); |
| 3304 | power_supply_changed(chg->usb_psy); |
| 3305 | |
| 3306 | return IRQ_HANDLED; |
| 3307 | } |
| 3308 | |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 3309 | irqreturn_t smblib_handle_usb_typec_change(int irq, void *data) |
| 3310 | { |
| 3311 | struct smb_irq_data *irq_data = data; |
| 3312 | struct smb_charger *chg = irq_data->parent_data; |
| 3313 | int rc; |
Nicholas Troast | b148655 | 2016-11-10 08:20:11 -0800 | [diff] [blame] | 3314 | u8 stat4, stat5; |
Abhijeet Dharmapurikar | 99ca045 | 2016-10-13 09:50:41 -0700 | [diff] [blame] | 3315 | bool debounce_done, sink_attached, legacy_cable; |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 3316 | |
Ashay Jaiswal | 4aa2c0c | 2016-12-07 19:39:38 +0530 | [diff] [blame] | 3317 | if (chg->micro_usb_mode) |
| 3318 | return smblib_handle_usb_typec_change_for_uusb(chg); |
| 3319 | |
Harry Yang | 755a34b | 2016-11-01 01:18:51 -0700 | [diff] [blame] | 3320 | /* WA - not when PD hard_reset WIP on cc2 in sink mode */ |
| 3321 | if (chg->cc2_sink_detach_flag == CC2_SINK_STD) |
| 3322 | return IRQ_HANDLED; |
| 3323 | |
Nicholas Troast | b148655 | 2016-11-10 08:20:11 -0800 | [diff] [blame] | 3324 | rc = smblib_read(chg, TYPE_C_STATUS_4_REG, &stat4); |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 3325 | if (rc < 0) { |
Abhijeet Dharmapurikar | 31b98f3 | 2016-10-14 12:25:23 -0700 | [diff] [blame] | 3326 | smblib_err(chg, "Couldn't read TYPE_C_STATUS_4 rc=%d\n", rc); |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 3327 | return IRQ_HANDLED; |
| 3328 | } |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 3329 | |
Nicholas Troast | b148655 | 2016-11-10 08:20:11 -0800 | [diff] [blame] | 3330 | rc = smblib_read(chg, TYPE_C_STATUS_5_REG, &stat5); |
Abhijeet Dharmapurikar | 99ca045 | 2016-10-13 09:50:41 -0700 | [diff] [blame] | 3331 | if (rc < 0) { |
Abhijeet Dharmapurikar | 31b98f3 | 2016-10-14 12:25:23 -0700 | [diff] [blame] | 3332 | smblib_err(chg, "Couldn't read TYPE_C_STATUS_5 rc=%d\n", rc); |
Abhijeet Dharmapurikar | 99ca045 | 2016-10-13 09:50:41 -0700 | [diff] [blame] | 3333 | return IRQ_HANDLED; |
| 3334 | } |
Nicholas Troast | b148655 | 2016-11-10 08:20:11 -0800 | [diff] [blame] | 3335 | |
| 3336 | debounce_done = (bool)(stat4 & TYPEC_DEBOUNCE_DONE_STATUS_BIT); |
| 3337 | sink_attached = (bool)(stat4 & UFP_DFP_MODE_STATUS_BIT); |
| 3338 | legacy_cable = (bool)(stat5 & TYPEC_LEGACY_CABLE_STATUS_BIT); |
Abhijeet Dharmapurikar | 99ca045 | 2016-10-13 09:50:41 -0700 | [diff] [blame] | 3339 | |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 3340 | smblib_handle_typec_debounce_done(chg, |
Abhijeet Dharmapurikar | 99ca045 | 2016-10-13 09:50:41 -0700 | [diff] [blame] | 3341 | debounce_done, sink_attached, legacy_cable); |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 3342 | |
Nicholas Troast | b148655 | 2016-11-10 08:20:11 -0800 | [diff] [blame] | 3343 | if (stat4 & TYPEC_VBUS_ERROR_STATUS_BIT) |
Harry Yang | d757c0f | 2016-09-23 10:52:05 -0700 | [diff] [blame] | 3344 | smblib_dbg(chg, PR_INTERRUPT, "IRQ: %s vbus-error\n", |
Ashay Jaiswal | 4aa2c0c | 2016-12-07 19:39:38 +0530 | [diff] [blame] | 3345 | irq_data->name); |
Harry Yang | d757c0f | 2016-09-23 10:52:05 -0700 | [diff] [blame] | 3346 | |
Nicholas Troast | 8995a70 | 2016-12-05 10:22:22 -0800 | [diff] [blame] | 3347 | if (stat4 & TYPEC_VCONN_OVERCURR_STATUS_BIT) |
Nicholas Troast | b11015f | 2017-01-17 17:56:45 -0800 | [diff] [blame] | 3348 | schedule_work(&chg->vconn_oc_work); |
Nicholas Troast | 8995a70 | 2016-12-05 10:22:22 -0800 | [diff] [blame] | 3349 | |
Nicholas Troast | b148655 | 2016-11-10 08:20:11 -0800 | [diff] [blame] | 3350 | power_supply_changed(chg->usb_psy); |
| 3351 | smblib_dbg(chg, PR_REGISTER, "TYPE_C_STATUS_4 = 0x%02x\n", stat4); |
| 3352 | smblib_dbg(chg, PR_REGISTER, "TYPE_C_STATUS_5 = 0x%02x\n", stat5); |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 3353 | return IRQ_HANDLED; |
| 3354 | } |
| 3355 | |
Abhijeet Dharmapurikar | 2391664 | 2016-10-03 10:38:50 -0700 | [diff] [blame] | 3356 | irqreturn_t smblib_handle_dc_plugin(int irq, void *data) |
| 3357 | { |
| 3358 | struct smb_irq_data *irq_data = data; |
| 3359 | struct smb_charger *chg = irq_data->parent_data; |
| 3360 | |
| 3361 | power_supply_changed(chg->dc_psy); |
| 3362 | return IRQ_HANDLED; |
| 3363 | } |
| 3364 | |
Abhijeet Dharmapurikar | 0e36900 | 2016-09-07 17:25:36 -0700 | [diff] [blame] | 3365 | irqreturn_t smblib_handle_high_duty_cycle(int irq, void *data) |
| 3366 | { |
| 3367 | struct smb_irq_data *irq_data = data; |
| 3368 | struct smb_charger *chg = irq_data->parent_data; |
| 3369 | |
| 3370 | chg->is_hdc = true; |
| 3371 | schedule_delayed_work(&chg->clear_hdc_work, msecs_to_jiffies(60)); |
| 3372 | |
| 3373 | return IRQ_HANDLED; |
| 3374 | } |
| 3375 | |
Nicholas Troast | abedaf7 | 2016-09-16 11:07:45 -0700 | [diff] [blame] | 3376 | irqreturn_t smblib_handle_switcher_power_ok(int irq, void *data) |
| 3377 | { |
| 3378 | struct smb_irq_data *irq_data = data; |
| 3379 | struct smb_charger *chg = irq_data->parent_data; |
| 3380 | int rc; |
| 3381 | u8 stat; |
| 3382 | |
| 3383 | if (!(chg->wa_flags & BOOST_BACK_WA)) |
| 3384 | return IRQ_HANDLED; |
| 3385 | |
| 3386 | rc = smblib_read(chg, POWER_PATH_STATUS_REG, &stat); |
| 3387 | if (rc < 0) { |
| 3388 | smblib_err(chg, "Couldn't read POWER_PATH_STATUS rc=%d\n", rc); |
| 3389 | return IRQ_HANDLED; |
| 3390 | } |
| 3391 | |
| 3392 | if ((stat & USE_USBIN_BIT) && |
| 3393 | get_effective_result(chg->usb_suspend_votable)) |
| 3394 | return IRQ_HANDLED; |
| 3395 | |
Abhijeet Dharmapurikar | 2823fe3 | 2016-12-05 17:52:11 -0800 | [diff] [blame] | 3396 | if (stat & USE_DCIN_BIT) |
Nicholas Troast | abedaf7 | 2016-09-16 11:07:45 -0700 | [diff] [blame] | 3397 | return IRQ_HANDLED; |
| 3398 | |
| 3399 | if (is_storming(&irq_data->storm_data)) { |
Abhijeet Dharmapurikar | 2823fe3 | 2016-12-05 17:52:11 -0800 | [diff] [blame] | 3400 | smblib_err(chg, "Reverse boost detected: suspending input\n"); |
Nicholas Troast | abedaf7 | 2016-09-16 11:07:45 -0700 | [diff] [blame] | 3401 | vote(chg->usb_suspend_votable, BOOST_BACK_VOTER, true, 0); |
Nicholas Troast | abedaf7 | 2016-09-16 11:07:45 -0700 | [diff] [blame] | 3402 | } |
| 3403 | |
| 3404 | return IRQ_HANDLED; |
| 3405 | } |
| 3406 | |
Nicholas Troast | 15dc0c8 | 2016-10-18 15:15:21 -0700 | [diff] [blame] | 3407 | irqreturn_t smblib_handle_wdog_bark(int irq, void *data) |
| 3408 | { |
| 3409 | struct smb_irq_data *irq_data = data; |
| 3410 | struct smb_charger *chg = irq_data->parent_data; |
| 3411 | int rc; |
| 3412 | |
| 3413 | rc = smblib_write(chg, BARK_BITE_WDOG_PET_REG, BARK_BITE_WDOG_PET_BIT); |
| 3414 | if (rc < 0) |
| 3415 | smblib_err(chg, "Couldn't pet the dog rc=%d\n", rc); |
| 3416 | |
| 3417 | return IRQ_HANDLED; |
| 3418 | } |
| 3419 | |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 3420 | /*************** |
| 3421 | * Work Queues * |
| 3422 | ***************/ |
| 3423 | |
| 3424 | static void smblib_hvdcp_detect_work(struct work_struct *work) |
| 3425 | { |
| 3426 | struct smb_charger *chg = container_of(work, struct smb_charger, |
| 3427 | hvdcp_detect_work.work); |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 3428 | |
Abhijeet Dharmapurikar | 4b13c6e | 2016-10-05 15:15:10 -0700 | [diff] [blame] | 3429 | vote(chg->pd_disallowed_votable_indirect, HVDCP_TIMEOUT_VOTER, |
| 3430 | false, 0); |
Abhijeet Dharmapurikar | 716cd96 | 2016-10-14 12:50:37 -0700 | [diff] [blame] | 3431 | if (get_effective_result(chg->pd_disallowed_votable_indirect)) |
| 3432 | /* pd is still disabled, try hvdcp */ |
| 3433 | try_rerun_apsd_for_hvdcp(chg); |
| 3434 | else |
| 3435 | /* notify pd now that pd is allowed */ |
| 3436 | power_supply_changed(chg->usb_psy); |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 3437 | } |
| 3438 | |
Harry Yang | fe91384 | 2016-08-10 12:27:28 -0700 | [diff] [blame] | 3439 | static void bms_update_work(struct work_struct *work) |
Harry Yang | 5e1a522 | 2016-07-26 15:16:04 -0700 | [diff] [blame] | 3440 | { |
| 3441 | struct smb_charger *chg = container_of(work, struct smb_charger, |
| 3442 | bms_update_work); |
Ashay Jaiswal | 2fb369d | 2017-01-12 21:38:29 +0530 | [diff] [blame] | 3443 | |
| 3444 | smblib_suspend_on_debug_battery(chg); |
| 3445 | |
| 3446 | if (chg->batt_psy) |
| 3447 | power_supply_changed(chg->batt_psy); |
Harry Yang | 5e1a522 | 2016-07-26 15:16:04 -0700 | [diff] [blame] | 3448 | } |
| 3449 | |
Harry Yang | fe91384 | 2016-08-10 12:27:28 -0700 | [diff] [blame] | 3450 | static void step_soc_req_work(struct work_struct *work) |
| 3451 | { |
| 3452 | struct smb_charger *chg = container_of(work, struct smb_charger, |
| 3453 | step_soc_req_work.work); |
| 3454 | union power_supply_propval pval = {0, }; |
| 3455 | int rc; |
| 3456 | |
| 3457 | rc = smblib_get_prop_batt_capacity(chg, &pval); |
| 3458 | if (rc < 0) { |
Abhijeet Dharmapurikar | 31b98f3 | 2016-10-14 12:25:23 -0700 | [diff] [blame] | 3459 | smblib_err(chg, "Couldn't get batt capacity rc=%d\n", rc); |
Harry Yang | fe91384 | 2016-08-10 12:27:28 -0700 | [diff] [blame] | 3460 | return; |
| 3461 | } |
| 3462 | |
| 3463 | step_charge_soc_update(chg, pval.intval); |
| 3464 | } |
| 3465 | |
Abhijeet Dharmapurikar | 0e36900 | 2016-09-07 17:25:36 -0700 | [diff] [blame] | 3466 | static void clear_hdc_work(struct work_struct *work) |
| 3467 | { |
| 3468 | struct smb_charger *chg = container_of(work, struct smb_charger, |
| 3469 | clear_hdc_work.work); |
| 3470 | |
| 3471 | chg->is_hdc = 0; |
| 3472 | } |
| 3473 | |
Harry Yang | 755a34b | 2016-11-01 01:18:51 -0700 | [diff] [blame] | 3474 | static void rdstd_cc2_detach_work(struct work_struct *work) |
| 3475 | { |
| 3476 | int rc; |
| 3477 | u8 stat; |
| 3478 | struct smb_irq_data irq_data = {NULL, "cc2-removal-workaround"}; |
| 3479 | struct smb_charger *chg = container_of(work, struct smb_charger, |
| 3480 | rdstd_cc2_detach_work); |
| 3481 | |
| 3482 | /* |
| 3483 | * WA steps - |
| 3484 | * 1. Enable both UFP and DFP, wait for 10ms. |
| 3485 | * 2. Disable DFP, wait for 30ms. |
| 3486 | * 3. Removal detected if both TYPEC_DEBOUNCE_DONE_STATUS |
| 3487 | * and TIMER_STAGE bits are gone, otherwise repeat all by |
| 3488 | * work rescheduling. |
| 3489 | * Note, work will be cancelled when pd_hard_reset is 0. |
| 3490 | */ |
| 3491 | |
| 3492 | rc = smblib_masked_write(chg, TYPE_C_INTRPT_ENB_SOFTWARE_CTRL_REG, |
| 3493 | UFP_EN_CMD_BIT | DFP_EN_CMD_BIT, |
| 3494 | UFP_EN_CMD_BIT | DFP_EN_CMD_BIT); |
| 3495 | if (rc < 0) { |
| 3496 | smblib_err(chg, "Couldn't write TYPE_C_CTRL_REG rc=%d\n", rc); |
| 3497 | return; |
| 3498 | } |
| 3499 | |
| 3500 | usleep_range(10000, 11000); |
| 3501 | |
| 3502 | rc = smblib_masked_write(chg, TYPE_C_INTRPT_ENB_SOFTWARE_CTRL_REG, |
| 3503 | UFP_EN_CMD_BIT | DFP_EN_CMD_BIT, |
| 3504 | UFP_EN_CMD_BIT); |
| 3505 | if (rc < 0) { |
| 3506 | smblib_err(chg, "Couldn't write TYPE_C_CTRL_REG rc=%d\n", rc); |
| 3507 | return; |
| 3508 | } |
| 3509 | |
| 3510 | usleep_range(30000, 31000); |
| 3511 | |
| 3512 | rc = smblib_read(chg, TYPE_C_STATUS_4_REG, &stat); |
| 3513 | if (rc < 0) { |
| 3514 | smblib_err(chg, "Couldn't read TYPE_C_STATUS_4 rc=%d\n", |
| 3515 | rc); |
| 3516 | return; |
| 3517 | } |
| 3518 | if (stat & TYPEC_DEBOUNCE_DONE_STATUS_BIT) |
| 3519 | goto rerun; |
| 3520 | |
| 3521 | rc = smblib_read(chg, TYPE_C_STATUS_5_REG, &stat); |
| 3522 | if (rc < 0) { |
| 3523 | smblib_err(chg, |
| 3524 | "Couldn't read TYPE_C_STATUS_5_REG rc=%d\n", rc); |
| 3525 | return; |
| 3526 | } |
| 3527 | if (stat & TIMER_STAGE_2_BIT) |
| 3528 | goto rerun; |
| 3529 | |
| 3530 | /* Bingo, cc2 removal detected */ |
| 3531 | smblib_reg_block_restore(chg, cc2_detach_settings); |
| 3532 | chg->cc2_sink_detach_flag = CC2_SINK_WA_DONE; |
| 3533 | irq_data.parent_data = chg; |
| 3534 | smblib_handle_usb_typec_change(0, &irq_data); |
| 3535 | |
| 3536 | return; |
| 3537 | |
| 3538 | rerun: |
| 3539 | schedule_work(&chg->rdstd_cc2_detach_work); |
| 3540 | } |
| 3541 | |
Nicholas Troast | b11015f | 2017-01-17 17:56:45 -0800 | [diff] [blame] | 3542 | static void smblib_otg_oc_exit(struct smb_charger *chg, bool success) |
| 3543 | { |
| 3544 | int rc; |
| 3545 | |
| 3546 | chg->otg_attempts = 0; |
| 3547 | if (!success) { |
| 3548 | smblib_err(chg, "OTG soft start failed\n"); |
| 3549 | chg->otg_en = false; |
| 3550 | } |
| 3551 | |
| 3552 | smblib_dbg(chg, PR_OTG, "enabling VBUS < 1V check\n"); |
| 3553 | rc = smblib_masked_write(chg, OTG_CFG_REG, |
| 3554 | QUICKSTART_OTG_FASTROLESWAP_BIT, 0); |
| 3555 | if (rc < 0) |
| 3556 | smblib_err(chg, "Couldn't enable VBUS < 1V check rc=%d\n", rc); |
| 3557 | |
| 3558 | if (!chg->external_vconn && chg->vconn_en) { |
| 3559 | chg->vconn_attempts = 0; |
| 3560 | if (success) { |
| 3561 | rc = _smblib_vconn_regulator_enable( |
| 3562 | chg->vconn_vreg->rdev); |
| 3563 | if (rc < 0) |
| 3564 | smblib_err(chg, "Couldn't enable VCONN rc=%d\n", |
| 3565 | rc); |
| 3566 | } else { |
| 3567 | chg->vconn_en = false; |
| 3568 | } |
| 3569 | } |
| 3570 | } |
| 3571 | |
| 3572 | #define MAX_OC_FALLING_TRIES 10 |
| 3573 | static void smblib_otg_oc_work(struct work_struct *work) |
| 3574 | { |
| 3575 | struct smb_charger *chg = container_of(work, struct smb_charger, |
| 3576 | otg_oc_work); |
| 3577 | int rc, i; |
| 3578 | u8 stat; |
| 3579 | |
| 3580 | if (!chg->vbus_vreg || !chg->vbus_vreg->rdev) |
| 3581 | return; |
| 3582 | |
| 3583 | smblib_err(chg, "over-current detected on VBUS\n"); |
| 3584 | mutex_lock(&chg->otg_oc_lock); |
| 3585 | if (!chg->otg_en) |
| 3586 | goto unlock; |
| 3587 | |
| 3588 | smblib_dbg(chg, PR_OTG, "disabling VBUS < 1V check\n"); |
| 3589 | smblib_masked_write(chg, OTG_CFG_REG, |
| 3590 | QUICKSTART_OTG_FASTROLESWAP_BIT, |
| 3591 | QUICKSTART_OTG_FASTROLESWAP_BIT); |
| 3592 | |
| 3593 | /* |
| 3594 | * If 500ms has passed and another over-current interrupt has not |
| 3595 | * triggered then it is likely that the software based soft start was |
| 3596 | * successful and the VBUS < 1V restriction should be re-enabled. |
| 3597 | */ |
| 3598 | schedule_delayed_work(&chg->otg_ss_done_work, msecs_to_jiffies(500)); |
| 3599 | |
| 3600 | rc = _smblib_vbus_regulator_disable(chg->vbus_vreg->rdev); |
| 3601 | if (rc < 0) { |
| 3602 | smblib_err(chg, "Couldn't disable VBUS rc=%d\n", rc); |
| 3603 | goto unlock; |
| 3604 | } |
| 3605 | |
| 3606 | if (++chg->otg_attempts > OTG_MAX_ATTEMPTS) { |
| 3607 | cancel_delayed_work_sync(&chg->otg_ss_done_work); |
| 3608 | smblib_err(chg, "OTG failed to enable after %d attempts\n", |
| 3609 | chg->otg_attempts - 1); |
| 3610 | smblib_otg_oc_exit(chg, false); |
| 3611 | goto unlock; |
| 3612 | } |
| 3613 | |
| 3614 | /* |
| 3615 | * The real time status should go low within 10ms. Poll every 1-2ms to |
| 3616 | * minimize the delay when re-enabling OTG. |
| 3617 | */ |
| 3618 | for (i = 0; i < MAX_OC_FALLING_TRIES; ++i) { |
| 3619 | usleep_range(1000, 2000); |
| 3620 | rc = smblib_read(chg, OTG_BASE + INT_RT_STS_OFFSET, &stat); |
| 3621 | if (rc >= 0 && !(stat & OTG_OVERCURRENT_RT_STS_BIT)) |
| 3622 | break; |
| 3623 | } |
| 3624 | |
| 3625 | if (i >= MAX_OC_FALLING_TRIES) { |
| 3626 | cancel_delayed_work_sync(&chg->otg_ss_done_work); |
| 3627 | smblib_err(chg, "OTG OC did not fall after %dms\n", |
| 3628 | 2 * MAX_OC_FALLING_TRIES); |
| 3629 | smblib_otg_oc_exit(chg, false); |
| 3630 | goto unlock; |
| 3631 | } |
| 3632 | |
| 3633 | smblib_dbg(chg, PR_OTG, "OTG OC fell after %dms\n", 2 * i + 1); |
| 3634 | rc = _smblib_vbus_regulator_enable(chg->vbus_vreg->rdev); |
| 3635 | if (rc < 0) { |
| 3636 | smblib_err(chg, "Couldn't enable VBUS rc=%d\n", rc); |
| 3637 | goto unlock; |
| 3638 | } |
| 3639 | |
| 3640 | unlock: |
| 3641 | mutex_unlock(&chg->otg_oc_lock); |
| 3642 | } |
| 3643 | |
| 3644 | static void smblib_vconn_oc_work(struct work_struct *work) |
| 3645 | { |
| 3646 | struct smb_charger *chg = container_of(work, struct smb_charger, |
| 3647 | vconn_oc_work); |
| 3648 | int rc, i; |
| 3649 | u8 stat; |
| 3650 | |
| 3651 | smblib_err(chg, "over-current detected on VCONN\n"); |
| 3652 | if (!chg->vconn_vreg || !chg->vconn_vreg->rdev) |
| 3653 | return; |
| 3654 | |
| 3655 | mutex_lock(&chg->otg_oc_lock); |
| 3656 | rc = _smblib_vconn_regulator_disable(chg->vconn_vreg->rdev); |
| 3657 | if (rc < 0) { |
| 3658 | smblib_err(chg, "Couldn't disable VCONN rc=%d\n", rc); |
| 3659 | goto unlock; |
| 3660 | } |
| 3661 | |
| 3662 | if (++chg->vconn_attempts > VCONN_MAX_ATTEMPTS) { |
| 3663 | smblib_err(chg, "VCONN failed to enable after %d attempts\n", |
| 3664 | chg->otg_attempts - 1); |
| 3665 | chg->vconn_en = false; |
| 3666 | chg->vconn_attempts = 0; |
| 3667 | goto unlock; |
| 3668 | } |
| 3669 | |
| 3670 | /* |
| 3671 | * The real time status should go low within 10ms. Poll every 1-2ms to |
| 3672 | * minimize the delay when re-enabling OTG. |
| 3673 | */ |
| 3674 | for (i = 0; i < MAX_OC_FALLING_TRIES; ++i) { |
| 3675 | usleep_range(1000, 2000); |
| 3676 | rc = smblib_read(chg, TYPE_C_STATUS_4_REG, &stat); |
| 3677 | if (rc >= 0 && !(stat & TYPEC_VCONN_OVERCURR_STATUS_BIT)) |
| 3678 | break; |
| 3679 | } |
| 3680 | |
| 3681 | if (i >= MAX_OC_FALLING_TRIES) { |
| 3682 | smblib_err(chg, "VCONN OC did not fall after %dms\n", |
| 3683 | 2 * MAX_OC_FALLING_TRIES); |
| 3684 | chg->vconn_en = false; |
| 3685 | chg->vconn_attempts = 0; |
| 3686 | goto unlock; |
| 3687 | } |
| 3688 | |
| 3689 | smblib_dbg(chg, PR_OTG, "VCONN OC fell after %dms\n", 2 * i + 1); |
| 3690 | if (++chg->vconn_attempts > VCONN_MAX_ATTEMPTS) { |
| 3691 | smblib_err(chg, "VCONN failed to enable after %d attempts\n", |
| 3692 | chg->vconn_attempts - 1); |
| 3693 | chg->vconn_en = false; |
| 3694 | goto unlock; |
| 3695 | } |
| 3696 | |
| 3697 | rc = _smblib_vconn_regulator_enable(chg->vconn_vreg->rdev); |
| 3698 | if (rc < 0) { |
| 3699 | smblib_err(chg, "Couldn't enable VCONN rc=%d\n", rc); |
| 3700 | goto unlock; |
| 3701 | } |
| 3702 | |
| 3703 | unlock: |
| 3704 | mutex_unlock(&chg->otg_oc_lock); |
| 3705 | } |
| 3706 | |
| 3707 | static void smblib_otg_ss_done_work(struct work_struct *work) |
| 3708 | { |
| 3709 | struct smb_charger *chg = container_of(work, struct smb_charger, |
| 3710 | otg_ss_done_work.work); |
| 3711 | int rc; |
| 3712 | bool success = false; |
| 3713 | u8 stat; |
| 3714 | |
| 3715 | mutex_lock(&chg->otg_oc_lock); |
| 3716 | rc = smblib_read(chg, OTG_STATUS_REG, &stat); |
| 3717 | if (rc < 0) |
| 3718 | smblib_err(chg, "Couldn't read OTG status rc=%d\n", rc); |
| 3719 | else if (stat & BOOST_SOFTSTART_DONE_BIT) |
| 3720 | success = true; |
| 3721 | |
| 3722 | smblib_otg_oc_exit(chg, success); |
| 3723 | mutex_unlock(&chg->otg_oc_lock); |
| 3724 | } |
| 3725 | |
Harry Yang | ba874ce | 2016-08-19 14:17:01 -0700 | [diff] [blame] | 3726 | static int smblib_create_votables(struct smb_charger *chg) |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 3727 | { |
| 3728 | int rc = 0; |
| 3729 | |
Ashay Jaiswal | 37b8ea6 | 2017-02-03 11:37:28 +0530 | [diff] [blame] | 3730 | chg->fcc_votable = find_votable("FCC"); |
| 3731 | if (!chg->fcc_votable) { |
| 3732 | rc = -EPROBE_DEFER; |
| 3733 | return rc; |
| 3734 | } |
| 3735 | |
| 3736 | chg->fv_votable = find_votable("FV"); |
| 3737 | if (!chg->fv_votable) { |
| 3738 | rc = -EPROBE_DEFER; |
| 3739 | return rc; |
| 3740 | } |
| 3741 | |
| 3742 | chg->pl_disable_votable = find_votable("PL_DISABLE"); |
| 3743 | if (!chg->pl_disable_votable) { |
| 3744 | rc = -EPROBE_DEFER; |
| 3745 | return rc; |
| 3746 | } |
| 3747 | vote(chg->pl_disable_votable, PL_INDIRECT_VOTER, true, 0); |
Ashay Jaiswal | 1829fcf | 2017-02-02 22:45:22 +0530 | [diff] [blame] | 3748 | vote(chg->pl_disable_votable, PL_DISABLE_HVDCP_VOTER, true, 0); |
Ashay Jaiswal | 37b8ea6 | 2017-02-03 11:37:28 +0530 | [diff] [blame] | 3749 | |
Abhijeet Dharmapurikar | e65cb1d | 2016-08-24 12:29:50 -0700 | [diff] [blame] | 3750 | chg->usb_suspend_votable = create_votable("USB_SUSPEND", VOTE_SET_ANY, |
Abhijeet Dharmapurikar | 8e9e757 | 2016-06-06 16:13:14 -0700 | [diff] [blame] | 3751 | smblib_usb_suspend_vote_callback, |
| 3752 | chg); |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 3753 | if (IS_ERR(chg->usb_suspend_votable)) { |
| 3754 | rc = PTR_ERR(chg->usb_suspend_votable); |
| 3755 | return rc; |
| 3756 | } |
| 3757 | |
Abhijeet Dharmapurikar | 8e9e757 | 2016-06-06 16:13:14 -0700 | [diff] [blame] | 3758 | chg->dc_suspend_votable = create_votable("DC_SUSPEND", VOTE_SET_ANY, |
| 3759 | smblib_dc_suspend_vote_callback, |
| 3760 | chg); |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 3761 | if (IS_ERR(chg->dc_suspend_votable)) { |
| 3762 | rc = PTR_ERR(chg->dc_suspend_votable); |
| 3763 | return rc; |
| 3764 | } |
| 3765 | |
Abhijeet Dharmapurikar | 99fb894 | 2016-07-08 11:39:23 -0700 | [diff] [blame] | 3766 | chg->fcc_max_votable = create_votable("FCC_MAX", VOTE_MAX, |
| 3767 | smblib_fcc_max_vote_callback, |
| 3768 | chg); |
| 3769 | if (IS_ERR(chg->fcc_max_votable)) { |
| 3770 | rc = PTR_ERR(chg->fcc_max_votable); |
| 3771 | return rc; |
| 3772 | } |
| 3773 | |
Abhijeet Dharmapurikar | 8e9e757 | 2016-06-06 16:13:14 -0700 | [diff] [blame] | 3774 | chg->usb_icl_votable = create_votable("USB_ICL", VOTE_MIN, |
| 3775 | smblib_usb_icl_vote_callback, |
| 3776 | chg); |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 3777 | if (IS_ERR(chg->usb_icl_votable)) { |
| 3778 | rc = PTR_ERR(chg->usb_icl_votable); |
| 3779 | return rc; |
| 3780 | } |
| 3781 | |
Abhijeet Dharmapurikar | 8e9e757 | 2016-06-06 16:13:14 -0700 | [diff] [blame] | 3782 | chg->dc_icl_votable = create_votable("DC_ICL", VOTE_MIN, |
| 3783 | smblib_dc_icl_vote_callback, |
| 3784 | chg); |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 3785 | if (IS_ERR(chg->dc_icl_votable)) { |
| 3786 | rc = PTR_ERR(chg->dc_icl_votable); |
| 3787 | return rc; |
| 3788 | } |
| 3789 | |
Abhijeet Dharmapurikar | 4b13c6e | 2016-10-05 15:15:10 -0700 | [diff] [blame] | 3790 | chg->pd_disallowed_votable_indirect |
| 3791 | = create_votable("PD_DISALLOWED_INDIRECT", VOTE_SET_ANY, |
| 3792 | smblib_pd_disallowed_votable_indirect_callback, chg); |
| 3793 | if (IS_ERR(chg->pd_disallowed_votable_indirect)) { |
| 3794 | rc = PTR_ERR(chg->pd_disallowed_votable_indirect); |
| 3795 | return rc; |
| 3796 | } |
| 3797 | |
| 3798 | chg->pd_allowed_votable = create_votable("PD_ALLOWED", |
| 3799 | VOTE_SET_ANY, NULL, NULL); |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 3800 | if (IS_ERR(chg->pd_allowed_votable)) { |
| 3801 | rc = PTR_ERR(chg->pd_allowed_votable); |
| 3802 | return rc; |
| 3803 | } |
| 3804 | |
Harry Yang | 223c628 | 2016-06-14 15:48:36 -0700 | [diff] [blame] | 3805 | chg->awake_votable = create_votable("AWAKE", VOTE_SET_ANY, |
| 3806 | smblib_awake_vote_callback, |
| 3807 | chg); |
| 3808 | if (IS_ERR(chg->awake_votable)) { |
| 3809 | rc = PTR_ERR(chg->awake_votable); |
| 3810 | return rc; |
| 3811 | } |
| 3812 | |
Abhijeet Dharmapurikar | ee54de0 | 2016-07-08 14:51:47 -0700 | [diff] [blame] | 3813 | chg->chg_disable_votable = create_votable("CHG_DISABLE", VOTE_SET_ANY, |
| 3814 | smblib_chg_disable_vote_callback, |
| 3815 | chg); |
| 3816 | if (IS_ERR(chg->chg_disable_votable)) { |
| 3817 | rc = PTR_ERR(chg->chg_disable_votable); |
| 3818 | return rc; |
| 3819 | } |
| 3820 | |
Harry Yang | aba1f5f | 2016-09-28 10:47:29 -0700 | [diff] [blame] | 3821 | chg->pl_enable_votable_indirect = create_votable("PL_ENABLE_INDIRECT", |
| 3822 | VOTE_SET_ANY, |
| 3823 | smblib_pl_enable_indirect_vote_callback, |
| 3824 | chg); |
| 3825 | if (IS_ERR(chg->pl_enable_votable_indirect)) { |
| 3826 | rc = PTR_ERR(chg->pl_enable_votable_indirect); |
| 3827 | return rc; |
| 3828 | } |
| 3829 | |
Ashay Jaiswal | 4aa2c0c | 2016-12-07 19:39:38 +0530 | [diff] [blame] | 3830 | chg->hvdcp_disable_votable_indirect = create_votable( |
| 3831 | "HVDCP_DISABLE_INDIRECT", |
| 3832 | VOTE_SET_ANY, |
| 3833 | smblib_hvdcp_disable_indirect_vote_callback, |
| 3834 | chg); |
| 3835 | if (IS_ERR(chg->hvdcp_disable_votable_indirect)) { |
| 3836 | rc = PTR_ERR(chg->hvdcp_disable_votable_indirect); |
| 3837 | return rc; |
| 3838 | } |
| 3839 | |
| 3840 | chg->hvdcp_enable_votable = create_votable("HVDCP_ENABLE", |
Abhijeet Dharmapurikar | f0b0a04 | 2016-10-10 16:43:43 -0700 | [diff] [blame] | 3841 | VOTE_SET_ANY, |
Ashay Jaiswal | 4aa2c0c | 2016-12-07 19:39:38 +0530 | [diff] [blame] | 3842 | smblib_hvdcp_enable_vote_callback, |
Abhijeet Dharmapurikar | f0b0a04 | 2016-10-10 16:43:43 -0700 | [diff] [blame] | 3843 | chg); |
Ashay Jaiswal | 4aa2c0c | 2016-12-07 19:39:38 +0530 | [diff] [blame] | 3844 | if (IS_ERR(chg->hvdcp_enable_votable)) { |
| 3845 | rc = PTR_ERR(chg->hvdcp_enable_votable); |
Abhijeet Dharmapurikar | f0b0a04 | 2016-10-10 16:43:43 -0700 | [diff] [blame] | 3846 | return rc; |
| 3847 | } |
Abhijeet Dharmapurikar | f8a7a4a | 2016-10-07 18:46:45 -0700 | [diff] [blame] | 3848 | |
| 3849 | chg->apsd_disable_votable = create_votable("APSD_DISABLE", |
| 3850 | VOTE_SET_ANY, |
| 3851 | smblib_apsd_disable_vote_callback, |
| 3852 | chg); |
| 3853 | if (IS_ERR(chg->apsd_disable_votable)) { |
| 3854 | rc = PTR_ERR(chg->apsd_disable_votable); |
| 3855 | return rc; |
| 3856 | } |
| 3857 | |
Nicholas Troast | 320839e | 2016-06-03 10:18:00 -0700 | [diff] [blame] | 3858 | return rc; |
| 3859 | } |
| 3860 | |
Harry Yang | ba874ce | 2016-08-19 14:17:01 -0700 | [diff] [blame] | 3861 | static void smblib_destroy_votables(struct smb_charger *chg) |
| 3862 | { |
| 3863 | if (chg->usb_suspend_votable) |
| 3864 | destroy_votable(chg->usb_suspend_votable); |
| 3865 | if (chg->dc_suspend_votable) |
| 3866 | destroy_votable(chg->dc_suspend_votable); |
| 3867 | if (chg->fcc_max_votable) |
| 3868 | destroy_votable(chg->fcc_max_votable); |
Harry Yang | ba874ce | 2016-08-19 14:17:01 -0700 | [diff] [blame] | 3869 | if (chg->usb_icl_votable) |
| 3870 | destroy_votable(chg->usb_icl_votable); |
| 3871 | if (chg->dc_icl_votable) |
| 3872 | destroy_votable(chg->dc_icl_votable); |
Abhijeet Dharmapurikar | 4b13c6e | 2016-10-05 15:15:10 -0700 | [diff] [blame] | 3873 | if (chg->pd_disallowed_votable_indirect) |
| 3874 | destroy_votable(chg->pd_disallowed_votable_indirect); |
Harry Yang | ba874ce | 2016-08-19 14:17:01 -0700 | [diff] [blame] | 3875 | if (chg->pd_allowed_votable) |
| 3876 | destroy_votable(chg->pd_allowed_votable); |
| 3877 | if (chg->awake_votable) |
| 3878 | destroy_votable(chg->awake_votable); |
Harry Yang | aba1f5f | 2016-09-28 10:47:29 -0700 | [diff] [blame] | 3879 | if (chg->chg_disable_votable) |
| 3880 | destroy_votable(chg->chg_disable_votable); |
| 3881 | if (chg->pl_enable_votable_indirect) |
| 3882 | destroy_votable(chg->pl_enable_votable_indirect); |
Abhijeet Dharmapurikar | f8a7a4a | 2016-10-07 18:46:45 -0700 | [diff] [blame] | 3883 | if (chg->apsd_disable_votable) |
| 3884 | destroy_votable(chg->apsd_disable_votable); |
Harry Yang | ba874ce | 2016-08-19 14:17:01 -0700 | [diff] [blame] | 3885 | } |
| 3886 | |
| 3887 | static void smblib_iio_deinit(struct smb_charger *chg) |
| 3888 | { |
| 3889 | if (!IS_ERR_OR_NULL(chg->iio.temp_chan)) |
| 3890 | iio_channel_release(chg->iio.temp_chan); |
| 3891 | if (!IS_ERR_OR_NULL(chg->iio.temp_max_chan)) |
| 3892 | iio_channel_release(chg->iio.temp_max_chan); |
| 3893 | if (!IS_ERR_OR_NULL(chg->iio.usbin_i_chan)) |
| 3894 | iio_channel_release(chg->iio.usbin_i_chan); |
| 3895 | if (!IS_ERR_OR_NULL(chg->iio.usbin_v_chan)) |
| 3896 | iio_channel_release(chg->iio.usbin_v_chan); |
Nicholas Troast | 7dbcad2 | 2016-10-05 13:30:18 -0700 | [diff] [blame] | 3897 | if (!IS_ERR_OR_NULL(chg->iio.batt_i_chan)) |
| 3898 | iio_channel_release(chg->iio.batt_i_chan); |
Harry Yang | ba874ce | 2016-08-19 14:17:01 -0700 | [diff] [blame] | 3899 | } |
| 3900 | |
Nicholas Troast | 320839e | 2016-06-03 10:18:00 -0700 | [diff] [blame] | 3901 | int smblib_init(struct smb_charger *chg) |
| 3902 | { |
| 3903 | int rc = 0; |
| 3904 | |
| 3905 | mutex_init(&chg->write_lock); |
Nicholas Troast | b11015f | 2017-01-17 17:56:45 -0800 | [diff] [blame] | 3906 | mutex_init(&chg->otg_oc_lock); |
Harry Yang | fe91384 | 2016-08-10 12:27:28 -0700 | [diff] [blame] | 3907 | INIT_WORK(&chg->bms_update_work, bms_update_work); |
Harry Yang | 755a34b | 2016-11-01 01:18:51 -0700 | [diff] [blame] | 3908 | INIT_WORK(&chg->rdstd_cc2_detach_work, rdstd_cc2_detach_work); |
Nicholas Troast | 320839e | 2016-06-03 10:18:00 -0700 | [diff] [blame] | 3909 | INIT_DELAYED_WORK(&chg->hvdcp_detect_work, smblib_hvdcp_detect_work); |
Harry Yang | fe91384 | 2016-08-10 12:27:28 -0700 | [diff] [blame] | 3910 | INIT_DELAYED_WORK(&chg->step_soc_req_work, step_soc_req_work); |
Abhijeet Dharmapurikar | 0e36900 | 2016-09-07 17:25:36 -0700 | [diff] [blame] | 3911 | INIT_DELAYED_WORK(&chg->clear_hdc_work, clear_hdc_work); |
Nicholas Troast | b11015f | 2017-01-17 17:56:45 -0800 | [diff] [blame] | 3912 | INIT_WORK(&chg->otg_oc_work, smblib_otg_oc_work); |
| 3913 | INIT_WORK(&chg->vconn_oc_work, smblib_vconn_oc_work); |
| 3914 | INIT_DELAYED_WORK(&chg->otg_ss_done_work, smblib_otg_ss_done_work); |
Abhijeet Dharmapurikar | 9e7e48c | 2016-08-23 12:55:49 -0700 | [diff] [blame] | 3915 | chg->fake_capacity = -EINVAL; |
Nicholas Troast | 320839e | 2016-06-03 10:18:00 -0700 | [diff] [blame] | 3916 | |
| 3917 | switch (chg->mode) { |
| 3918 | case PARALLEL_MASTER: |
| 3919 | rc = smblib_create_votables(chg); |
| 3920 | if (rc < 0) { |
Abhijeet Dharmapurikar | 31b98f3 | 2016-10-14 12:25:23 -0700 | [diff] [blame] | 3921 | smblib_err(chg, "Couldn't create votables rc=%d\n", |
Nicholas Troast | 320839e | 2016-06-03 10:18:00 -0700 | [diff] [blame] | 3922 | rc); |
Harry Yang | 58a9e7a | 2016-06-23 14:54:43 -0700 | [diff] [blame] | 3923 | return rc; |
Nicholas Troast | 320839e | 2016-06-03 10:18:00 -0700 | [diff] [blame] | 3924 | } |
Harry Yang | 58a9e7a | 2016-06-23 14:54:43 -0700 | [diff] [blame] | 3925 | |
Harry Yang | 5e1a522 | 2016-07-26 15:16:04 -0700 | [diff] [blame] | 3926 | rc = smblib_register_notifier(chg); |
| 3927 | if (rc < 0) { |
Abhijeet Dharmapurikar | 31b98f3 | 2016-10-14 12:25:23 -0700 | [diff] [blame] | 3928 | smblib_err(chg, |
Harry Yang | 5e1a522 | 2016-07-26 15:16:04 -0700 | [diff] [blame] | 3929 | "Couldn't register notifier rc=%d\n", rc); |
| 3930 | return rc; |
Harry Yang | 58a9e7a | 2016-06-23 14:54:43 -0700 | [diff] [blame] | 3931 | } |
| 3932 | |
Harry Yang | 995b742 | 2016-08-29 16:06:50 -0700 | [diff] [blame] | 3933 | chg->bms_psy = power_supply_get_by_name("bms"); |
Ashay Jaiswal | 8afedfc | 2017-02-03 11:18:22 +0530 | [diff] [blame] | 3934 | chg->pl.psy = power_supply_get_by_name("parallel"); |
Nicholas Troast | 320839e | 2016-06-03 10:18:00 -0700 | [diff] [blame] | 3935 | break; |
| 3936 | case PARALLEL_SLAVE: |
| 3937 | break; |
| 3938 | default: |
Abhijeet Dharmapurikar | 31b98f3 | 2016-10-14 12:25:23 -0700 | [diff] [blame] | 3939 | smblib_err(chg, "Unsupported mode %d\n", chg->mode); |
Nicholas Troast | 320839e | 2016-06-03 10:18:00 -0700 | [diff] [blame] | 3940 | return -EINVAL; |
| 3941 | } |
| 3942 | |
| 3943 | return rc; |
Nicholas Troast | 34db503 | 2016-03-28 12:26:44 -0700 | [diff] [blame] | 3944 | } |
Abhijeet Dharmapurikar | 8e9e757 | 2016-06-06 16:13:14 -0700 | [diff] [blame] | 3945 | |
| 3946 | int smblib_deinit(struct smb_charger *chg) |
| 3947 | { |
Harry Yang | ba874ce | 2016-08-19 14:17:01 -0700 | [diff] [blame] | 3948 | switch (chg->mode) { |
| 3949 | case PARALLEL_MASTER: |
| 3950 | power_supply_unreg_notifier(&chg->nb); |
| 3951 | smblib_destroy_votables(chg); |
| 3952 | break; |
| 3953 | case PARALLEL_SLAVE: |
| 3954 | break; |
| 3955 | default: |
Abhijeet Dharmapurikar | 31b98f3 | 2016-10-14 12:25:23 -0700 | [diff] [blame] | 3956 | smblib_err(chg, "Unsupported mode %d\n", chg->mode); |
Harry Yang | ba874ce | 2016-08-19 14:17:01 -0700 | [diff] [blame] | 3957 | return -EINVAL; |
| 3958 | } |
Abhijeet Dharmapurikar | 8e9e757 | 2016-06-06 16:13:14 -0700 | [diff] [blame] | 3959 | |
Harry Yang | ba874ce | 2016-08-19 14:17:01 -0700 | [diff] [blame] | 3960 | smblib_iio_deinit(chg); |
Harry Yang | 5e1a522 | 2016-07-26 15:16:04 -0700 | [diff] [blame] | 3961 | |
Abhijeet Dharmapurikar | 8e9e757 | 2016-06-06 16:13:14 -0700 | [diff] [blame] | 3962 | return 0; |
| 3963 | } |