Umang Chheda | 1431147 | 2020-01-23 14:57:00 +0530 | [diff] [blame] | 1 | /* Copyright (c) 2016-2020, The Linux Foundation. All rights reserved. |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -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 | #define pr_fmt(fmt) "FG: %s: " fmt, __func__ |
| 14 | |
Subbaraman Narayanamurthy | eca9bb3 | 2016-12-09 16:43:52 -0800 | [diff] [blame] | 15 | #include <linux/ktime.h> |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 16 | #include <linux/of.h> |
| 17 | #include <linux/of_irq.h> |
Anirudh Ghayal | 63e9cea | 2018-06-11 16:15:11 +0530 | [diff] [blame] | 18 | #include <linux/spinlock.h> |
| 19 | #include <linux/alarmtimer.h> |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 20 | #include <linux/of_platform.h> |
| 21 | #include <linux/of_batterydata.h> |
| 22 | #include <linux/platform_device.h> |
Subbaraman Narayanamurthy | 8a191dc | 2017-08-18 18:37:01 -0700 | [diff] [blame] | 23 | #include <linux/thermal.h> |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 24 | #include <linux/iio/consumer.h> |
| 25 | #include <linux/qpnp/qpnp-revid.h> |
Anirudh Ghayal | a209ac3 | 2018-08-23 15:08:05 +0530 | [diff] [blame] | 26 | #include <linux/qpnp/qpnp-misc.h> |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 27 | #include "fg-core.h" |
| 28 | #include "fg-reg.h" |
| 29 | |
| 30 | #define FG_GEN3_DEV_NAME "qcom,fg-gen3" |
| 31 | |
| 32 | #define PERPH_SUBTYPE_REG 0x05 |
Harry Yang | 2452b27 | 2017-03-06 13:56:14 -0800 | [diff] [blame] | 33 | #define FG_BATT_SOC_PMI8998 0x10 |
| 34 | #define FG_BATT_INFO_PMI8998 0x11 |
| 35 | #define FG_MEM_INFO_PMI8998 0x0D |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 36 | |
| 37 | /* SRAM address and offset in ascending order */ |
Subbaraman Narayanamurthy | e14037f | 2017-03-16 19:14:58 -0700 | [diff] [blame] | 38 | #define ESR_PULSE_THRESH_WORD 2 |
| 39 | #define ESR_PULSE_THRESH_OFFSET 3 |
Subbaraman Narayanamurthy | 94e6305 | 2017-02-09 18:06:14 -0800 | [diff] [blame] | 40 | #define SLOPE_LIMIT_WORD 3 |
| 41 | #define SLOPE_LIMIT_OFFSET 0 |
Subbaraman Narayanamurthy | 5566f50 | 2017-12-19 19:39:03 -0800 | [diff] [blame] | 42 | #define CUTOFF_CURR_WORD 4 |
| 43 | #define CUTOFF_CURR_OFFSET 0 |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 44 | #define CUTOFF_VOLT_WORD 5 |
| 45 | #define CUTOFF_VOLT_OFFSET 0 |
| 46 | #define SYS_TERM_CURR_WORD 6 |
| 47 | #define SYS_TERM_CURR_OFFSET 0 |
Subbaraman Narayanamurthy | 6e7053e | 2016-09-19 14:52:12 -0700 | [diff] [blame] | 48 | #define VBATT_FULL_WORD 7 |
| 49 | #define VBATT_FULL_OFFSET 0 |
Subbaraman Narayanamurthy | b99ea4c | 2016-12-22 15:10:09 -0800 | [diff] [blame] | 50 | #define ESR_FILTER_WORD 8 |
| 51 | #define ESR_UPD_TIGHT_OFFSET 0 |
| 52 | #define ESR_UPD_BROAD_OFFSET 1 |
| 53 | #define ESR_UPD_TIGHT_LOW_TEMP_OFFSET 2 |
| 54 | #define ESR_UPD_BROAD_LOW_TEMP_OFFSET 3 |
Subbaraman Narayanamurthy | c1a94ed | 2016-10-05 19:58:58 -0700 | [diff] [blame] | 55 | #define KI_COEFF_MED_DISCHG_WORD 9 |
Anirudh Ghayal | ddabeee | 2017-04-04 06:13:48 +0530 | [diff] [blame] | 56 | #define TIMEBASE_OFFSET 1 |
Subbaraman Narayanamurthy | c1a94ed | 2016-10-05 19:58:58 -0700 | [diff] [blame] | 57 | #define KI_COEFF_MED_DISCHG_OFFSET 3 |
| 58 | #define KI_COEFF_HI_DISCHG_WORD 10 |
| 59 | #define KI_COEFF_HI_DISCHG_OFFSET 0 |
| 60 | #define KI_COEFF_LOW_DISCHG_WORD 10 |
| 61 | #define KI_COEFF_LOW_DISCHG_OFFSET 2 |
Subbaraman Narayanamurthy | 1bf973e | 2017-04-04 19:24:20 -0700 | [diff] [blame] | 62 | #define KI_COEFF_FULL_SOC_WORD 12 |
| 63 | #define KI_COEFF_FULL_SOC_OFFSET 2 |
Subbaraman Narayanamurthy | fbf2537 | 2017-01-03 15:39:08 -0800 | [diff] [blame] | 64 | #define DELTA_MSOC_THR_WORD 12 |
| 65 | #define DELTA_MSOC_THR_OFFSET 3 |
| 66 | #define DELTA_BSOC_THR_WORD 13 |
| 67 | #define DELTA_BSOC_THR_OFFSET 2 |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 68 | #define RECHARGE_SOC_THR_WORD 14 |
| 69 | #define RECHARGE_SOC_THR_OFFSET 0 |
| 70 | #define CHG_TERM_CURR_WORD 14 |
| 71 | #define CHG_TERM_CURR_OFFSET 1 |
Anirudh Ghayal | bcb8577 | 2018-08-08 10:17:25 +0530 | [diff] [blame] | 72 | #define SYNC_SLEEP_THR_WORD 14 |
| 73 | #define SYNC_SLEEP_THR_OFFSET 3 |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 74 | #define EMPTY_VOLT_WORD 15 |
| 75 | #define EMPTY_VOLT_OFFSET 0 |
| 76 | #define VBATT_LOW_WORD 15 |
| 77 | #define VBATT_LOW_OFFSET 1 |
Nicholas Troast | dcf8fe6 | 2016-08-04 14:30:02 -0700 | [diff] [blame] | 78 | #define ESR_TIMER_DISCHG_MAX_WORD 17 |
| 79 | #define ESR_TIMER_DISCHG_MAX_OFFSET 0 |
| 80 | #define ESR_TIMER_DISCHG_INIT_WORD 17 |
| 81 | #define ESR_TIMER_DISCHG_INIT_OFFSET 2 |
| 82 | #define ESR_TIMER_CHG_MAX_WORD 18 |
| 83 | #define ESR_TIMER_CHG_MAX_OFFSET 0 |
| 84 | #define ESR_TIMER_CHG_INIT_WORD 18 |
| 85 | #define ESR_TIMER_CHG_INIT_OFFSET 2 |
Abhijeet Dharmapurikar | d29bc60 | 2017-07-06 18:45:32 -0700 | [diff] [blame] | 86 | #define ESR_EXTRACTION_ENABLE_WORD 19 |
| 87 | #define ESR_EXTRACTION_ENABLE_OFFSET 0 |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 88 | #define PROFILE_LOAD_WORD 24 |
| 89 | #define PROFILE_LOAD_OFFSET 0 |
Subbaraman Narayanamurthy | c297f6de | 2016-11-28 18:05:20 -0800 | [diff] [blame] | 90 | #define ESR_RSLOW_DISCHG_WORD 34 |
| 91 | #define ESR_RSLOW_DISCHG_OFFSET 0 |
| 92 | #define ESR_RSLOW_CHG_WORD 51 |
| 93 | #define ESR_RSLOW_CHG_OFFSET 0 |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 94 | #define NOM_CAP_WORD 58 |
| 95 | #define NOM_CAP_OFFSET 0 |
Subbaraman Narayanamurthy | 2932f60 | 2016-10-17 14:01:34 -0700 | [diff] [blame] | 96 | #define ACT_BATT_CAP_BKUP_WORD 74 |
| 97 | #define ACT_BATT_CAP_BKUP_OFFSET 0 |
Nicholas Troast | e29dec9 | 2016-08-24 09:35:11 -0700 | [diff] [blame] | 98 | #define CYCLE_COUNT_WORD 75 |
| 99 | #define CYCLE_COUNT_OFFSET 0 |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 100 | #define PROFILE_INTEGRITY_WORD 79 |
Subbaraman Narayanamurthy | c297f6de | 2016-11-28 18:05:20 -0800 | [diff] [blame] | 101 | #define SW_CONFIG_OFFSET 0 |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 102 | #define PROFILE_INTEGRITY_OFFSET 3 |
| 103 | #define BATT_SOC_WORD 91 |
| 104 | #define BATT_SOC_OFFSET 0 |
Subbaraman Narayanamurthy | f9611e3 | 2016-09-26 11:12:47 -0700 | [diff] [blame] | 105 | #define FULL_SOC_WORD 93 |
| 106 | #define FULL_SOC_OFFSET 2 |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 107 | #define MONOTONIC_SOC_WORD 94 |
| 108 | #define MONOTONIC_SOC_OFFSET 2 |
Subbaraman Narayanamurthy | 07be919 | 2016-09-14 14:48:49 -0700 | [diff] [blame] | 109 | #define CC_SOC_WORD 95 |
| 110 | #define CC_SOC_OFFSET 0 |
| 111 | #define CC_SOC_SW_WORD 96 |
| 112 | #define CC_SOC_SW_OFFSET 0 |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 113 | #define VOLTAGE_PRED_WORD 97 |
| 114 | #define VOLTAGE_PRED_OFFSET 0 |
| 115 | #define OCV_WORD 97 |
| 116 | #define OCV_OFFSET 2 |
Subbaraman Narayanamurthy | dcfc866 | 2017-02-24 16:04:46 -0800 | [diff] [blame] | 117 | #define ESR_WORD 99 |
| 118 | #define ESR_OFFSET 0 |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 119 | #define RSLOW_WORD 101 |
| 120 | #define RSLOW_OFFSET 0 |
Subbaraman Narayanamurthy | 07be919 | 2016-09-14 14:48:49 -0700 | [diff] [blame] | 121 | #define ACT_BATT_CAP_WORD 117 |
| 122 | #define ACT_BATT_CAP_OFFSET 0 |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 123 | #define LAST_BATT_SOC_WORD 119 |
| 124 | #define LAST_BATT_SOC_OFFSET 0 |
| 125 | #define LAST_MONOTONIC_SOC_WORD 119 |
| 126 | #define LAST_MONOTONIC_SOC_OFFSET 2 |
Nicholas Troast | 69da225 | 2016-09-07 16:17:47 -0700 | [diff] [blame] | 127 | #define ALG_FLAGS_WORD 120 |
| 128 | #define ALG_FLAGS_OFFSET 1 |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 129 | |
Nicholas Troast | a2b4037 | 2016-08-15 10:45:39 -0700 | [diff] [blame] | 130 | /* v2 SRAM address and offset in ascending order */ |
Subbaraman Narayanamurthy | c1a94ed | 2016-10-05 19:58:58 -0700 | [diff] [blame] | 131 | #define KI_COEFF_LOW_DISCHG_v2_WORD 9 |
| 132 | #define KI_COEFF_LOW_DISCHG_v2_OFFSET 3 |
| 133 | #define KI_COEFF_MED_DISCHG_v2_WORD 10 |
| 134 | #define KI_COEFF_MED_DISCHG_v2_OFFSET 0 |
| 135 | #define KI_COEFF_HI_DISCHG_v2_WORD 10 |
| 136 | #define KI_COEFF_HI_DISCHG_v2_OFFSET 1 |
Subbaraman Narayanamurthy | 1310320 | 2018-03-19 12:16:36 -0700 | [diff] [blame] | 137 | #define KI_COEFF_HI_CHG_v2_WORD 11 |
| 138 | #define KI_COEFF_HI_CHG_v2_OFFSET 2 |
Subbaraman Narayanamurthy | fbf2537 | 2017-01-03 15:39:08 -0800 | [diff] [blame] | 139 | #define DELTA_BSOC_THR_v2_WORD 12 |
| 140 | #define DELTA_BSOC_THR_v2_OFFSET 3 |
| 141 | #define DELTA_MSOC_THR_v2_WORD 13 |
| 142 | #define DELTA_MSOC_THR_v2_OFFSET 0 |
Nicholas Troast | a2b4037 | 2016-08-15 10:45:39 -0700 | [diff] [blame] | 143 | #define RECHARGE_SOC_THR_v2_WORD 14 |
| 144 | #define RECHARGE_SOC_THR_v2_OFFSET 1 |
Anirudh Ghayal | bcb8577 | 2018-08-08 10:17:25 +0530 | [diff] [blame] | 145 | #define SYNC_SLEEP_THR_v2_WORD 14 |
| 146 | #define SYNC_SLEEP_THR_v2_OFFSET 2 |
Nicholas Troast | a2b4037 | 2016-08-15 10:45:39 -0700 | [diff] [blame] | 147 | #define CHG_TERM_CURR_v2_WORD 15 |
Subbaraman Narayanamurthy | a4e1888 | 2017-04-04 20:28:03 -0700 | [diff] [blame] | 148 | #define CHG_TERM_BASE_CURR_v2_OFFSET 0 |
Nicholas Troast | a2b4037 | 2016-08-15 10:45:39 -0700 | [diff] [blame] | 149 | #define CHG_TERM_CURR_v2_OFFSET 1 |
| 150 | #define EMPTY_VOLT_v2_WORD 15 |
Subbaraman Narayanamurthy | 4bf3ce2 | 2016-09-19 11:17:59 -0700 | [diff] [blame] | 151 | #define EMPTY_VOLT_v2_OFFSET 3 |
Nicholas Troast | a2b4037 | 2016-08-15 10:45:39 -0700 | [diff] [blame] | 152 | #define VBATT_LOW_v2_WORD 16 |
| 153 | #define VBATT_LOW_v2_OFFSET 0 |
Subbaraman Narayanamurthy | 4cf5c1c | 2016-11-17 13:58:06 -0800 | [diff] [blame] | 154 | #define RECHARGE_VBATT_THR_v2_WORD 16 |
| 155 | #define RECHARGE_VBATT_THR_v2_OFFSET 1 |
Subbaraman Narayanamurthy | 6e7053e | 2016-09-19 14:52:12 -0700 | [diff] [blame] | 156 | #define FLOAT_VOLT_v2_WORD 16 |
| 157 | #define FLOAT_VOLT_v2_OFFSET 2 |
Nicholas Troast | a2b4037 | 2016-08-15 10:45:39 -0700 | [diff] [blame] | 158 | |
Subbaraman Narayanamurthy | 68d105c | 2016-10-03 18:30:32 -0700 | [diff] [blame] | 159 | static int fg_decode_voltage_15b(struct fg_sram_param *sp, |
| 160 | enum fg_sram_param_id id, int val); |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 161 | static int fg_decode_value_16b(struct fg_sram_param *sp, |
| 162 | enum fg_sram_param_id id, int val); |
| 163 | static int fg_decode_default(struct fg_sram_param *sp, |
| 164 | enum fg_sram_param_id id, int val); |
Subbaraman Narayanamurthy | 07be919 | 2016-09-14 14:48:49 -0700 | [diff] [blame] | 165 | static int fg_decode_cc_soc(struct fg_sram_param *sp, |
| 166 | enum fg_sram_param_id id, int value); |
Nicholas Troast | a2b4037 | 2016-08-15 10:45:39 -0700 | [diff] [blame] | 167 | static void fg_encode_voltage(struct fg_sram_param *sp, |
Subbaraman Narayanamurthy | 6e7053e | 2016-09-19 14:52:12 -0700 | [diff] [blame] | 168 | enum fg_sram_param_id id, int val_mv, u8 *buf); |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 169 | static void fg_encode_current(struct fg_sram_param *sp, |
Subbaraman Narayanamurthy | 6e7053e | 2016-09-19 14:52:12 -0700 | [diff] [blame] | 170 | enum fg_sram_param_id id, int val_ma, u8 *buf); |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 171 | static void fg_encode_default(struct fg_sram_param *sp, |
| 172 | enum fg_sram_param_id id, int val, u8 *buf); |
| 173 | |
Subbaraman Narayanamurthy | fbf2537 | 2017-01-03 15:39:08 -0800 | [diff] [blame] | 174 | static struct fg_irq_info fg_irqs[FG_IRQ_MAX]; |
| 175 | |
Nicholas Troast | a2b4037 | 2016-08-15 10:45:39 -0700 | [diff] [blame] | 176 | #define PARAM(_id, _addr_word, _addr_byte, _len, _num, _den, _offset, \ |
| 177 | _enc, _dec) \ |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 178 | [FG_SRAM_##_id] = { \ |
Nicholas Troast | a2b4037 | 2016-08-15 10:45:39 -0700 | [diff] [blame] | 179 | .addr_word = _addr_word, \ |
| 180 | .addr_byte = _addr_byte, \ |
| 181 | .len = _len, \ |
| 182 | .numrtr = _num, \ |
| 183 | .denmtr = _den, \ |
| 184 | .offset = _offset, \ |
| 185 | .encode = _enc, \ |
| 186 | .decode = _dec, \ |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 187 | } \ |
| 188 | |
Harry Yang | 2452b27 | 2017-03-06 13:56:14 -0800 | [diff] [blame] | 189 | static struct fg_sram_param pmi8998_v1_sram_params[] = { |
Nicholas Troast | a2b4037 | 2016-08-15 10:45:39 -0700 | [diff] [blame] | 190 | PARAM(BATT_SOC, BATT_SOC_WORD, BATT_SOC_OFFSET, 4, 1, 1, 0, NULL, |
Subbaraman Narayanamurthy | f9611e3 | 2016-09-26 11:12:47 -0700 | [diff] [blame] | 191 | fg_decode_default), |
Nicholas Troast | 1769fd3 | 2016-09-07 09:20:58 -0700 | [diff] [blame] | 192 | PARAM(FULL_SOC, FULL_SOC_WORD, FULL_SOC_OFFSET, 2, 1, 1, 0, NULL, |
| 193 | fg_decode_default), |
Subbaraman Narayanamurthy | ef82581 | 2017-02-01 18:46:30 -0800 | [diff] [blame] | 194 | PARAM(VOLTAGE_PRED, VOLTAGE_PRED_WORD, VOLTAGE_PRED_OFFSET, 2, 1000, |
| 195 | 244141, 0, NULL, fg_decode_voltage_15b), |
| 196 | PARAM(OCV, OCV_WORD, OCV_OFFSET, 2, 1000, 244141, 0, NULL, |
Subbaraman Narayanamurthy | 68d105c | 2016-10-03 18:30:32 -0700 | [diff] [blame] | 197 | fg_decode_voltage_15b), |
Subbaraman Narayanamurthy | dcfc866 | 2017-02-24 16:04:46 -0800 | [diff] [blame] | 198 | PARAM(ESR, ESR_WORD, ESR_OFFSET, 2, 1000, 244141, 0, fg_encode_default, |
| 199 | fg_decode_value_16b), |
Subbaraman Narayanamurthy | ef82581 | 2017-02-01 18:46:30 -0800 | [diff] [blame] | 200 | PARAM(RSLOW, RSLOW_WORD, RSLOW_OFFSET, 2, 1000, 244141, 0, NULL, |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 201 | fg_decode_value_16b), |
Nicholas Troast | 69da225 | 2016-09-07 16:17:47 -0700 | [diff] [blame] | 202 | PARAM(ALG_FLAGS, ALG_FLAGS_WORD, ALG_FLAGS_OFFSET, 1, 1, 1, 0, NULL, |
| 203 | fg_decode_default), |
Subbaraman Narayanamurthy | 07be919 | 2016-09-14 14:48:49 -0700 | [diff] [blame] | 204 | PARAM(CC_SOC, CC_SOC_WORD, CC_SOC_OFFSET, 4, 1, 1, 0, NULL, |
| 205 | fg_decode_cc_soc), |
| 206 | PARAM(CC_SOC_SW, CC_SOC_SW_WORD, CC_SOC_SW_OFFSET, 4, 1, 1, 0, NULL, |
| 207 | fg_decode_cc_soc), |
Subbaraman Narayanamurthy | 2932f60 | 2016-10-17 14:01:34 -0700 | [diff] [blame] | 208 | PARAM(ACT_BATT_CAP, ACT_BATT_CAP_BKUP_WORD, ACT_BATT_CAP_BKUP_OFFSET, 2, |
| 209 | 1, 1, 0, NULL, fg_decode_default), |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 210 | /* Entries below here are configurable during initialization */ |
| 211 | PARAM(CUTOFF_VOLT, CUTOFF_VOLT_WORD, CUTOFF_VOLT_OFFSET, 2, 1000000, |
Nicholas Troast | a2b4037 | 2016-08-15 10:45:39 -0700 | [diff] [blame] | 212 | 244141, 0, fg_encode_voltage, NULL), |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 213 | PARAM(EMPTY_VOLT, EMPTY_VOLT_WORD, EMPTY_VOLT_OFFSET, 1, 100000, 390625, |
Nicholas Troast | a2b4037 | 2016-08-15 10:45:39 -0700 | [diff] [blame] | 214 | -2500, fg_encode_voltage, NULL), |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 215 | PARAM(VBATT_LOW, VBATT_LOW_WORD, VBATT_LOW_OFFSET, 1, 100000, 390625, |
Nicholas Troast | a2b4037 | 2016-08-15 10:45:39 -0700 | [diff] [blame] | 216 | -2500, fg_encode_voltage, NULL), |
Subbaraman Narayanamurthy | ef82581 | 2017-02-01 18:46:30 -0800 | [diff] [blame] | 217 | PARAM(VBATT_FULL, VBATT_FULL_WORD, VBATT_FULL_OFFSET, 2, 1000, |
| 218 | 244141, 0, fg_encode_voltage, fg_decode_voltage_15b), |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 219 | PARAM(SYS_TERM_CURR, SYS_TERM_CURR_WORD, SYS_TERM_CURR_OFFSET, 3, |
Nicholas Troast | a2b4037 | 2016-08-15 10:45:39 -0700 | [diff] [blame] | 220 | 1000000, 122070, 0, fg_encode_current, NULL), |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 221 | PARAM(CHG_TERM_CURR, CHG_TERM_CURR_WORD, CHG_TERM_CURR_OFFSET, 1, |
Nicholas Troast | a2b4037 | 2016-08-15 10:45:39 -0700 | [diff] [blame] | 222 | 100000, 390625, 0, fg_encode_current, NULL), |
Subbaraman Narayanamurthy | 5566f50 | 2017-12-19 19:39:03 -0800 | [diff] [blame] | 223 | PARAM(CUTOFF_CURR, CUTOFF_CURR_WORD, CUTOFF_CURR_OFFSET, 3, |
| 224 | 1000000, 122070, 0, fg_encode_current, NULL), |
Subbaraman Narayanamurthy | fbf2537 | 2017-01-03 15:39:08 -0800 | [diff] [blame] | 225 | PARAM(DELTA_MSOC_THR, DELTA_MSOC_THR_WORD, DELTA_MSOC_THR_OFFSET, 1, |
| 226 | 2048, 100, 0, fg_encode_default, NULL), |
| 227 | PARAM(DELTA_BSOC_THR, DELTA_BSOC_THR_WORD, DELTA_BSOC_THR_OFFSET, 1, |
| 228 | 2048, 100, 0, fg_encode_default, NULL), |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 229 | PARAM(RECHARGE_SOC_THR, RECHARGE_SOC_THR_WORD, RECHARGE_SOC_THR_OFFSET, |
Nicholas Troast | a2b4037 | 2016-08-15 10:45:39 -0700 | [diff] [blame] | 230 | 1, 256, 100, 0, fg_encode_default, NULL), |
Anirudh Ghayal | bcb8577 | 2018-08-08 10:17:25 +0530 | [diff] [blame] | 231 | PARAM(SYNC_SLEEP_THR, SYNC_SLEEP_THR_WORD, SYNC_SLEEP_THR_OFFSET, |
| 232 | 1, 100000, 390625, 0, fg_encode_default, NULL), |
Nicholas Troast | dcf8fe6 | 2016-08-04 14:30:02 -0700 | [diff] [blame] | 233 | PARAM(ESR_TIMER_DISCHG_MAX, ESR_TIMER_DISCHG_MAX_WORD, |
Nicholas Troast | a2b4037 | 2016-08-15 10:45:39 -0700 | [diff] [blame] | 234 | ESR_TIMER_DISCHG_MAX_OFFSET, 2, 1, 1, 0, fg_encode_default, |
| 235 | NULL), |
Nicholas Troast | dcf8fe6 | 2016-08-04 14:30:02 -0700 | [diff] [blame] | 236 | PARAM(ESR_TIMER_DISCHG_INIT, ESR_TIMER_DISCHG_INIT_WORD, |
Nicholas Troast | a2b4037 | 2016-08-15 10:45:39 -0700 | [diff] [blame] | 237 | ESR_TIMER_DISCHG_INIT_OFFSET, 2, 1, 1, 0, fg_encode_default, |
Nicholas Troast | dcf8fe6 | 2016-08-04 14:30:02 -0700 | [diff] [blame] | 238 | NULL), |
| 239 | PARAM(ESR_TIMER_CHG_MAX, ESR_TIMER_CHG_MAX_WORD, |
Nicholas Troast | a2b4037 | 2016-08-15 10:45:39 -0700 | [diff] [blame] | 240 | ESR_TIMER_CHG_MAX_OFFSET, 2, 1, 1, 0, fg_encode_default, NULL), |
Nicholas Troast | dcf8fe6 | 2016-08-04 14:30:02 -0700 | [diff] [blame] | 241 | PARAM(ESR_TIMER_CHG_INIT, ESR_TIMER_CHG_INIT_WORD, |
Nicholas Troast | a2b4037 | 2016-08-15 10:45:39 -0700 | [diff] [blame] | 242 | ESR_TIMER_CHG_INIT_OFFSET, 2, 1, 1, 0, fg_encode_default, NULL), |
Subbaraman Narayanamurthy | e14037f | 2017-03-16 19:14:58 -0700 | [diff] [blame] | 243 | PARAM(ESR_PULSE_THRESH, ESR_PULSE_THRESH_WORD, ESR_PULSE_THRESH_OFFSET, |
| 244 | 1, 100000, 390625, 0, fg_encode_default, NULL), |
Subbaraman Narayanamurthy | c1a94ed | 2016-10-05 19:58:58 -0700 | [diff] [blame] | 245 | PARAM(KI_COEFF_MED_DISCHG, KI_COEFF_MED_DISCHG_WORD, |
| 246 | KI_COEFF_MED_DISCHG_OFFSET, 1, 1000, 244141, 0, |
| 247 | fg_encode_default, NULL), |
| 248 | PARAM(KI_COEFF_HI_DISCHG, KI_COEFF_HI_DISCHG_WORD, |
| 249 | KI_COEFF_HI_DISCHG_OFFSET, 1, 1000, 244141, 0, |
| 250 | fg_encode_default, NULL), |
Subbaraman Narayanamurthy | 1bf973e | 2017-04-04 19:24:20 -0700 | [diff] [blame] | 251 | PARAM(KI_COEFF_FULL_SOC, KI_COEFF_FULL_SOC_WORD, |
| 252 | KI_COEFF_FULL_SOC_OFFSET, 1, 1000, 244141, 0, |
| 253 | fg_encode_default, NULL), |
Subbaraman Narayanamurthy | b99ea4c | 2016-12-22 15:10:09 -0800 | [diff] [blame] | 254 | PARAM(ESR_TIGHT_FILTER, ESR_FILTER_WORD, ESR_UPD_TIGHT_OFFSET, |
| 255 | 1, 512, 1000000, 0, fg_encode_default, NULL), |
| 256 | PARAM(ESR_BROAD_FILTER, ESR_FILTER_WORD, ESR_UPD_BROAD_OFFSET, |
| 257 | 1, 512, 1000000, 0, fg_encode_default, NULL), |
Subbaraman Narayanamurthy | 94e6305 | 2017-02-09 18:06:14 -0800 | [diff] [blame] | 258 | PARAM(SLOPE_LIMIT, SLOPE_LIMIT_WORD, SLOPE_LIMIT_OFFSET, 1, 8192, 1000, |
| 259 | 0, fg_encode_default, NULL), |
Nicholas Troast | a2b4037 | 2016-08-15 10:45:39 -0700 | [diff] [blame] | 260 | }; |
| 261 | |
Harry Yang | 2452b27 | 2017-03-06 13:56:14 -0800 | [diff] [blame] | 262 | static struct fg_sram_param pmi8998_v2_sram_params[] = { |
Nicholas Troast | a2b4037 | 2016-08-15 10:45:39 -0700 | [diff] [blame] | 263 | PARAM(BATT_SOC, BATT_SOC_WORD, BATT_SOC_OFFSET, 4, 1, 1, 0, NULL, |
Subbaraman Narayanamurthy | f9611e3 | 2016-09-26 11:12:47 -0700 | [diff] [blame] | 264 | fg_decode_default), |
Nicholas Troast | 1769fd3 | 2016-09-07 09:20:58 -0700 | [diff] [blame] | 265 | PARAM(FULL_SOC, FULL_SOC_WORD, FULL_SOC_OFFSET, 2, 1, 1, 0, NULL, |
| 266 | fg_decode_default), |
Subbaraman Narayanamurthy | ef82581 | 2017-02-01 18:46:30 -0800 | [diff] [blame] | 267 | PARAM(VOLTAGE_PRED, VOLTAGE_PRED_WORD, VOLTAGE_PRED_OFFSET, 2, 1000, |
| 268 | 244141, 0, NULL, fg_decode_voltage_15b), |
| 269 | PARAM(OCV, OCV_WORD, OCV_OFFSET, 2, 1000, 244141, 0, NULL, |
Subbaraman Narayanamurthy | 68d105c | 2016-10-03 18:30:32 -0700 | [diff] [blame] | 270 | fg_decode_voltage_15b), |
Subbaraman Narayanamurthy | dcfc866 | 2017-02-24 16:04:46 -0800 | [diff] [blame] | 271 | PARAM(ESR, ESR_WORD, ESR_OFFSET, 2, 1000, 244141, 0, fg_encode_default, |
| 272 | fg_decode_value_16b), |
Subbaraman Narayanamurthy | ef82581 | 2017-02-01 18:46:30 -0800 | [diff] [blame] | 273 | PARAM(RSLOW, RSLOW_WORD, RSLOW_OFFSET, 2, 1000, 244141, 0, NULL, |
Nicholas Troast | a2b4037 | 2016-08-15 10:45:39 -0700 | [diff] [blame] | 274 | fg_decode_value_16b), |
Nicholas Troast | 69da225 | 2016-09-07 16:17:47 -0700 | [diff] [blame] | 275 | PARAM(ALG_FLAGS, ALG_FLAGS_WORD, ALG_FLAGS_OFFSET, 1, 1, 1, 0, NULL, |
| 276 | fg_decode_default), |
Subbaraman Narayanamurthy | 07be919 | 2016-09-14 14:48:49 -0700 | [diff] [blame] | 277 | PARAM(CC_SOC, CC_SOC_WORD, CC_SOC_OFFSET, 4, 1, 1, 0, NULL, |
| 278 | fg_decode_cc_soc), |
| 279 | PARAM(CC_SOC_SW, CC_SOC_SW_WORD, CC_SOC_SW_OFFSET, 4, 1, 1, 0, NULL, |
| 280 | fg_decode_cc_soc), |
Subbaraman Narayanamurthy | 2932f60 | 2016-10-17 14:01:34 -0700 | [diff] [blame] | 281 | PARAM(ACT_BATT_CAP, ACT_BATT_CAP_BKUP_WORD, ACT_BATT_CAP_BKUP_OFFSET, 2, |
| 282 | 1, 1, 0, NULL, fg_decode_default), |
Anirudh Ghayal | ddabeee | 2017-04-04 06:13:48 +0530 | [diff] [blame] | 283 | PARAM(TIMEBASE, KI_COEFF_MED_DISCHG_WORD, TIMEBASE_OFFSET, 2, 1000, |
| 284 | 61000, 0, fg_encode_default, NULL), |
Nicholas Troast | a2b4037 | 2016-08-15 10:45:39 -0700 | [diff] [blame] | 285 | /* Entries below here are configurable during initialization */ |
| 286 | PARAM(CUTOFF_VOLT, CUTOFF_VOLT_WORD, CUTOFF_VOLT_OFFSET, 2, 1000000, |
| 287 | 244141, 0, fg_encode_voltage, NULL), |
Subbaraman Narayanamurthy | 4bf3ce2 | 2016-09-19 11:17:59 -0700 | [diff] [blame] | 288 | PARAM(EMPTY_VOLT, EMPTY_VOLT_v2_WORD, EMPTY_VOLT_v2_OFFSET, 1, 1000, |
| 289 | 15625, -2000, fg_encode_voltage, NULL), |
| 290 | PARAM(VBATT_LOW, VBATT_LOW_v2_WORD, VBATT_LOW_v2_OFFSET, 1, 1000, |
| 291 | 15625, -2000, fg_encode_voltage, NULL), |
Subbaraman Narayanamurthy | 6e7053e | 2016-09-19 14:52:12 -0700 | [diff] [blame] | 292 | PARAM(FLOAT_VOLT, FLOAT_VOLT_v2_WORD, FLOAT_VOLT_v2_OFFSET, 1, 1000, |
| 293 | 15625, -2000, fg_encode_voltage, NULL), |
Subbaraman Narayanamurthy | ef82581 | 2017-02-01 18:46:30 -0800 | [diff] [blame] | 294 | PARAM(VBATT_FULL, VBATT_FULL_WORD, VBATT_FULL_OFFSET, 2, 1000, |
| 295 | 244141, 0, fg_encode_voltage, fg_decode_voltage_15b), |
Nicholas Troast | a2b4037 | 2016-08-15 10:45:39 -0700 | [diff] [blame] | 296 | PARAM(SYS_TERM_CURR, SYS_TERM_CURR_WORD, SYS_TERM_CURR_OFFSET, 3, |
| 297 | 1000000, 122070, 0, fg_encode_current, NULL), |
| 298 | PARAM(CHG_TERM_CURR, CHG_TERM_CURR_v2_WORD, CHG_TERM_CURR_v2_OFFSET, 1, |
| 299 | 100000, 390625, 0, fg_encode_current, NULL), |
Subbaraman Narayanamurthy | a4e1888 | 2017-04-04 20:28:03 -0700 | [diff] [blame] | 300 | PARAM(CHG_TERM_BASE_CURR, CHG_TERM_CURR_v2_WORD, |
| 301 | CHG_TERM_BASE_CURR_v2_OFFSET, 1, 1024, 1000, 0, |
| 302 | fg_encode_current, NULL), |
Subbaraman Narayanamurthy | 5566f50 | 2017-12-19 19:39:03 -0800 | [diff] [blame] | 303 | PARAM(CUTOFF_CURR, CUTOFF_CURR_WORD, CUTOFF_CURR_OFFSET, 3, |
| 304 | 1000000, 122070, 0, fg_encode_current, NULL), |
Subbaraman Narayanamurthy | fbf2537 | 2017-01-03 15:39:08 -0800 | [diff] [blame] | 305 | PARAM(DELTA_MSOC_THR, DELTA_MSOC_THR_v2_WORD, DELTA_MSOC_THR_v2_OFFSET, |
| 306 | 1, 2048, 100, 0, fg_encode_default, NULL), |
| 307 | PARAM(DELTA_BSOC_THR, DELTA_BSOC_THR_v2_WORD, DELTA_BSOC_THR_v2_OFFSET, |
| 308 | 1, 2048, 100, 0, fg_encode_default, NULL), |
Nicholas Troast | a2b4037 | 2016-08-15 10:45:39 -0700 | [diff] [blame] | 309 | PARAM(RECHARGE_SOC_THR, RECHARGE_SOC_THR_v2_WORD, |
| 310 | RECHARGE_SOC_THR_v2_OFFSET, 1, 256, 100, 0, fg_encode_default, |
| 311 | NULL), |
Anirudh Ghayal | bcb8577 | 2018-08-08 10:17:25 +0530 | [diff] [blame] | 312 | PARAM(SYNC_SLEEP_THR, SYNC_SLEEP_THR_v2_WORD, SYNC_SLEEP_THR_v2_OFFSET, |
| 313 | 1, 100000, 390625, 0, fg_encode_default, NULL), |
Subbaraman Narayanamurthy | 4cf5c1c | 2016-11-17 13:58:06 -0800 | [diff] [blame] | 314 | PARAM(RECHARGE_VBATT_THR, RECHARGE_VBATT_THR_v2_WORD, |
| 315 | RECHARGE_VBATT_THR_v2_OFFSET, 1, 1000, 15625, -2000, |
| 316 | fg_encode_voltage, NULL), |
Nicholas Troast | a2b4037 | 2016-08-15 10:45:39 -0700 | [diff] [blame] | 317 | PARAM(ESR_TIMER_DISCHG_MAX, ESR_TIMER_DISCHG_MAX_WORD, |
| 318 | ESR_TIMER_DISCHG_MAX_OFFSET, 2, 1, 1, 0, fg_encode_default, |
| 319 | NULL), |
| 320 | PARAM(ESR_TIMER_DISCHG_INIT, ESR_TIMER_DISCHG_INIT_WORD, |
| 321 | ESR_TIMER_DISCHG_INIT_OFFSET, 2, 1, 1, 0, fg_encode_default, |
| 322 | NULL), |
| 323 | PARAM(ESR_TIMER_CHG_MAX, ESR_TIMER_CHG_MAX_WORD, |
| 324 | ESR_TIMER_CHG_MAX_OFFSET, 2, 1, 1, 0, fg_encode_default, NULL), |
| 325 | PARAM(ESR_TIMER_CHG_INIT, ESR_TIMER_CHG_INIT_WORD, |
| 326 | ESR_TIMER_CHG_INIT_OFFSET, 2, 1, 1, 0, fg_encode_default, NULL), |
Subbaraman Narayanamurthy | e14037f | 2017-03-16 19:14:58 -0700 | [diff] [blame] | 327 | PARAM(ESR_PULSE_THRESH, ESR_PULSE_THRESH_WORD, ESR_PULSE_THRESH_OFFSET, |
| 328 | 1, 100000, 390625, 0, fg_encode_default, NULL), |
Subbaraman Narayanamurthy | 1310320 | 2018-03-19 12:16:36 -0700 | [diff] [blame] | 329 | PARAM(KI_COEFF_LOW_DISCHG, KI_COEFF_LOW_DISCHG_v2_WORD, |
| 330 | KI_COEFF_LOW_DISCHG_v2_OFFSET, 1, 1000, 244141, 0, |
| 331 | fg_encode_default, NULL), |
Subbaraman Narayanamurthy | c1a94ed | 2016-10-05 19:58:58 -0700 | [diff] [blame] | 332 | PARAM(KI_COEFF_MED_DISCHG, KI_COEFF_MED_DISCHG_v2_WORD, |
| 333 | KI_COEFF_MED_DISCHG_v2_OFFSET, 1, 1000, 244141, 0, |
| 334 | fg_encode_default, NULL), |
| 335 | PARAM(KI_COEFF_HI_DISCHG, KI_COEFF_HI_DISCHG_v2_WORD, |
| 336 | KI_COEFF_HI_DISCHG_v2_OFFSET, 1, 1000, 244141, 0, |
| 337 | fg_encode_default, NULL), |
Subbaraman Narayanamurthy | 1310320 | 2018-03-19 12:16:36 -0700 | [diff] [blame] | 338 | PARAM(KI_COEFF_HI_CHG, KI_COEFF_HI_CHG_v2_WORD, |
| 339 | KI_COEFF_HI_CHG_v2_OFFSET, 1, 1000, 244141, 0, |
| 340 | fg_encode_default, NULL), |
Subbaraman Narayanamurthy | 1bf973e | 2017-04-04 19:24:20 -0700 | [diff] [blame] | 341 | PARAM(KI_COEFF_FULL_SOC, KI_COEFF_FULL_SOC_WORD, |
| 342 | KI_COEFF_FULL_SOC_OFFSET, 1, 1000, 244141, 0, |
| 343 | fg_encode_default, NULL), |
Subbaraman Narayanamurthy | b99ea4c | 2016-12-22 15:10:09 -0800 | [diff] [blame] | 344 | PARAM(ESR_TIGHT_FILTER, ESR_FILTER_WORD, ESR_UPD_TIGHT_OFFSET, |
| 345 | 1, 512, 1000000, 0, fg_encode_default, NULL), |
| 346 | PARAM(ESR_BROAD_FILTER, ESR_FILTER_WORD, ESR_UPD_BROAD_OFFSET, |
| 347 | 1, 512, 1000000, 0, fg_encode_default, NULL), |
Subbaraman Narayanamurthy | 94e6305 | 2017-02-09 18:06:14 -0800 | [diff] [blame] | 348 | PARAM(SLOPE_LIMIT, SLOPE_LIMIT_WORD, SLOPE_LIMIT_OFFSET, 1, 8192, 1000, |
| 349 | 0, fg_encode_default, NULL), |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 350 | }; |
| 351 | |
Harry Yang | 2452b27 | 2017-03-06 13:56:14 -0800 | [diff] [blame] | 352 | static struct fg_alg_flag pmi8998_v1_alg_flags[] = { |
Nicholas Troast | 69da225 | 2016-09-07 16:17:47 -0700 | [diff] [blame] | 353 | [ALG_FLAG_SOC_LT_OTG_MIN] = { |
| 354 | .name = "SOC_LT_OTG_MIN", |
| 355 | .bit = BIT(0), |
| 356 | }, |
| 357 | [ALG_FLAG_SOC_LT_RECHARGE] = { |
| 358 | .name = "SOC_LT_RECHARGE", |
| 359 | .bit = BIT(1), |
| 360 | }, |
| 361 | [ALG_FLAG_IBATT_LT_ITERM] = { |
| 362 | .name = "IBATT_LT_ITERM", |
| 363 | .bit = BIT(2), |
| 364 | }, |
| 365 | [ALG_FLAG_IBATT_GT_HPM] = { |
| 366 | .name = "IBATT_GT_HPM", |
| 367 | .bit = BIT(3), |
| 368 | }, |
| 369 | [ALG_FLAG_IBATT_GT_UPM] = { |
| 370 | .name = "IBATT_GT_UPM", |
| 371 | .bit = BIT(4), |
| 372 | }, |
| 373 | [ALG_FLAG_VBATT_LT_RECHARGE] = { |
| 374 | .name = "VBATT_LT_RECHARGE", |
| 375 | .bit = BIT(5), |
| 376 | }, |
| 377 | [ALG_FLAG_VBATT_GT_VFLOAT] = { |
| 378 | .invalid = true, |
| 379 | }, |
| 380 | }; |
| 381 | |
Harry Yang | 2452b27 | 2017-03-06 13:56:14 -0800 | [diff] [blame] | 382 | static struct fg_alg_flag pmi8998_v2_alg_flags[] = { |
Nicholas Troast | 69da225 | 2016-09-07 16:17:47 -0700 | [diff] [blame] | 383 | [ALG_FLAG_SOC_LT_OTG_MIN] = { |
| 384 | .name = "SOC_LT_OTG_MIN", |
| 385 | .bit = BIT(0), |
| 386 | }, |
| 387 | [ALG_FLAG_SOC_LT_RECHARGE] = { |
| 388 | .name = "SOC_LT_RECHARGE", |
| 389 | .bit = BIT(1), |
| 390 | }, |
| 391 | [ALG_FLAG_IBATT_LT_ITERM] = { |
| 392 | .name = "IBATT_LT_ITERM", |
| 393 | .bit = BIT(2), |
| 394 | }, |
| 395 | [ALG_FLAG_IBATT_GT_HPM] = { |
| 396 | .name = "IBATT_GT_HPM", |
| 397 | .bit = BIT(4), |
| 398 | }, |
| 399 | [ALG_FLAG_IBATT_GT_UPM] = { |
| 400 | .name = "IBATT_GT_UPM", |
| 401 | .bit = BIT(5), |
| 402 | }, |
| 403 | [ALG_FLAG_VBATT_LT_RECHARGE] = { |
| 404 | .name = "VBATT_LT_RECHARGE", |
| 405 | .bit = BIT(6), |
| 406 | }, |
| 407 | [ALG_FLAG_VBATT_GT_VFLOAT] = { |
| 408 | .name = "VBATT_GT_VFLOAT", |
| 409 | .bit = BIT(7), |
| 410 | }, |
| 411 | }; |
| 412 | |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 413 | static int fg_gen3_debug_mask; |
| 414 | module_param_named( |
| 415 | debug_mask, fg_gen3_debug_mask, int, 0600 |
| 416 | ); |
| 417 | |
Subbaraman Narayanamurthy | eca9bb3 | 2016-12-09 16:43:52 -0800 | [diff] [blame] | 418 | static bool fg_profile_dump; |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 419 | module_param_named( |
Subbaraman Narayanamurthy | eca9bb3 | 2016-12-09 16:43:52 -0800 | [diff] [blame] | 420 | profile_dump, fg_profile_dump, bool, 0600 |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 421 | ); |
| 422 | |
Subbaraman Narayanamurthy | eca9bb3 | 2016-12-09 16:43:52 -0800 | [diff] [blame] | 423 | static int fg_sram_dump_period_ms = 20000; |
Subbaraman Narayanamurthy | 6da170e | 2016-09-21 12:36:03 -0700 | [diff] [blame] | 424 | module_param_named( |
Subbaraman Narayanamurthy | eca9bb3 | 2016-12-09 16:43:52 -0800 | [diff] [blame] | 425 | sram_dump_period_ms, fg_sram_dump_period_ms, int, 0600 |
Subbaraman Narayanamurthy | 6da170e | 2016-09-21 12:36:03 -0700 | [diff] [blame] | 426 | ); |
| 427 | |
Subbaraman Narayanamurthy | 4f8e7d2 | 2016-09-22 19:36:39 -0700 | [diff] [blame] | 428 | static int fg_restart; |
Subbaraman Narayanamurthy | eca9bb3 | 2016-12-09 16:43:52 -0800 | [diff] [blame] | 429 | static bool fg_sram_dump; |
Subbaraman Narayanamurthy | 6da170e | 2016-09-21 12:36:03 -0700 | [diff] [blame] | 430 | |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 431 | /* All getters HERE */ |
| 432 | |
Subbaraman Narayanamurthy | 68d105c | 2016-10-03 18:30:32 -0700 | [diff] [blame] | 433 | #define VOLTAGE_15BIT_MASK GENMASK(14, 0) |
| 434 | static int fg_decode_voltage_15b(struct fg_sram_param *sp, |
| 435 | enum fg_sram_param_id id, int value) |
| 436 | { |
| 437 | value &= VOLTAGE_15BIT_MASK; |
Subbaraman Narayanamurthy | ef82581 | 2017-02-01 18:46:30 -0800 | [diff] [blame] | 438 | sp[id].value = div_u64((u64)value * sp[id].denmtr, sp[id].numrtr); |
Subbaraman Narayanamurthy | 68d105c | 2016-10-03 18:30:32 -0700 | [diff] [blame] | 439 | pr_debug("id: %d raw value: %x decoded value: %x\n", id, value, |
| 440 | sp[id].value); |
| 441 | return sp[id].value; |
| 442 | } |
| 443 | |
Subbaraman Narayanamurthy | 07be919 | 2016-09-14 14:48:49 -0700 | [diff] [blame] | 444 | static int fg_decode_cc_soc(struct fg_sram_param *sp, |
| 445 | enum fg_sram_param_id id, int value) |
| 446 | { |
Subbaraman Narayanamurthy | ef82581 | 2017-02-01 18:46:30 -0800 | [diff] [blame] | 447 | sp[id].value = div_s64((s64)value * sp[id].denmtr, sp[id].numrtr); |
Subbaraman Narayanamurthy | 07be919 | 2016-09-14 14:48:49 -0700 | [diff] [blame] | 448 | sp[id].value = sign_extend32(sp[id].value, 31); |
| 449 | pr_debug("id: %d raw value: %x decoded value: %x\n", id, value, |
| 450 | sp[id].value); |
| 451 | return sp[id].value; |
| 452 | } |
| 453 | |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 454 | static int fg_decode_value_16b(struct fg_sram_param *sp, |
| 455 | enum fg_sram_param_id id, int value) |
| 456 | { |
Subbaraman Narayanamurthy | ef82581 | 2017-02-01 18:46:30 -0800 | [diff] [blame] | 457 | sp[id].value = div_u64((u64)(u16)value * sp[id].denmtr, sp[id].numrtr); |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 458 | pr_debug("id: %d raw value: %x decoded value: %x\n", id, value, |
| 459 | sp[id].value); |
| 460 | return sp[id].value; |
| 461 | } |
| 462 | |
Nicholas Troast | e29dec9 | 2016-08-24 09:35:11 -0700 | [diff] [blame] | 463 | static int fg_decode_default(struct fg_sram_param *sp, enum fg_sram_param_id id, |
| 464 | int value) |
| 465 | { |
Subbaraman Narayanamurthy | f9611e3 | 2016-09-26 11:12:47 -0700 | [diff] [blame] | 466 | sp[id].value = value; |
| 467 | return sp[id].value; |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 468 | } |
| 469 | |
| 470 | static int fg_decode(struct fg_sram_param *sp, enum fg_sram_param_id id, |
| 471 | int value) |
| 472 | { |
| 473 | if (!sp[id].decode) { |
| 474 | pr_err("No decoding function for parameter %d\n", id); |
| 475 | return -EINVAL; |
| 476 | } |
| 477 | |
| 478 | return sp[id].decode(sp, id, value); |
| 479 | } |
| 480 | |
Nicholas Troast | a2b4037 | 2016-08-15 10:45:39 -0700 | [diff] [blame] | 481 | static void fg_encode_voltage(struct fg_sram_param *sp, |
Subbaraman Narayanamurthy | 6e7053e | 2016-09-19 14:52:12 -0700 | [diff] [blame] | 482 | enum fg_sram_param_id id, int val_mv, u8 *buf) |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 483 | { |
| 484 | int i, mask = 0xff; |
| 485 | int64_t temp; |
| 486 | |
Subbaraman Narayanamurthy | 6e7053e | 2016-09-19 14:52:12 -0700 | [diff] [blame] | 487 | val_mv += sp[id].offset; |
| 488 | temp = (int64_t)div_u64((u64)val_mv * sp[id].numrtr, sp[id].denmtr); |
| 489 | pr_debug("temp: %llx id: %d, val_mv: %d, buf: [ ", temp, id, val_mv); |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 490 | for (i = 0; i < sp[id].len; i++) { |
| 491 | buf[i] = temp & mask; |
| 492 | temp >>= 8; |
| 493 | pr_debug("%x ", buf[i]); |
| 494 | } |
| 495 | pr_debug("]\n"); |
| 496 | } |
| 497 | |
| 498 | static void fg_encode_current(struct fg_sram_param *sp, |
Subbaraman Narayanamurthy | 6e7053e | 2016-09-19 14:52:12 -0700 | [diff] [blame] | 499 | enum fg_sram_param_id id, int val_ma, u8 *buf) |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 500 | { |
| 501 | int i, mask = 0xff; |
| 502 | int64_t temp; |
| 503 | s64 current_ma; |
| 504 | |
Subbaraman Narayanamurthy | 6e7053e | 2016-09-19 14:52:12 -0700 | [diff] [blame] | 505 | current_ma = val_ma; |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 506 | temp = (int64_t)div_s64(current_ma * sp[id].numrtr, sp[id].denmtr); |
Subbaraman Narayanamurthy | 6e7053e | 2016-09-19 14:52:12 -0700 | [diff] [blame] | 507 | pr_debug("temp: %llx id: %d, val: %d, buf: [ ", temp, id, val_ma); |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 508 | for (i = 0; i < sp[id].len; i++) { |
| 509 | buf[i] = temp & mask; |
| 510 | temp >>= 8; |
| 511 | pr_debug("%x ", buf[i]); |
| 512 | } |
| 513 | pr_debug("]\n"); |
| 514 | } |
| 515 | |
| 516 | static void fg_encode_default(struct fg_sram_param *sp, |
| 517 | enum fg_sram_param_id id, int val, u8 *buf) |
| 518 | { |
| 519 | int i, mask = 0xff; |
| 520 | int64_t temp; |
| 521 | |
Subbaraman Narayanamurthy | 3cf60ee | 2017-06-02 11:38:58 -0700 | [diff] [blame] | 522 | temp = (int64_t)div_s64((s64)val * sp[id].numrtr, sp[id].denmtr); |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 523 | pr_debug("temp: %llx id: %d, val: %d, buf: [ ", temp, id, val); |
| 524 | for (i = 0; i < sp[id].len; i++) { |
| 525 | buf[i] = temp & mask; |
| 526 | temp >>= 8; |
| 527 | pr_debug("%x ", buf[i]); |
| 528 | } |
| 529 | pr_debug("]\n"); |
| 530 | } |
| 531 | |
| 532 | static void fg_encode(struct fg_sram_param *sp, enum fg_sram_param_id id, |
| 533 | int val, u8 *buf) |
| 534 | { |
| 535 | if (!sp[id].encode) { |
| 536 | pr_err("No encoding function for parameter %d\n", id); |
| 537 | return; |
| 538 | } |
| 539 | |
| 540 | sp[id].encode(sp, id, val, buf); |
| 541 | } |
| 542 | |
| 543 | /* |
| 544 | * Please make sure *_sram_params table has the entry for the parameter |
| 545 | * obtained through this function. In addition to address, offset, |
| 546 | * length from where this SRAM parameter is read, a decode function |
| 547 | * need to be specified. |
| 548 | */ |
| 549 | static int fg_get_sram_prop(struct fg_chip *chip, enum fg_sram_param_id id, |
| 550 | int *val) |
| 551 | { |
| 552 | int temp, rc, i; |
| 553 | u8 buf[4]; |
| 554 | |
| 555 | if (id < 0 || id > FG_SRAM_MAX || chip->sp[id].len > sizeof(buf)) |
| 556 | return -EINVAL; |
| 557 | |
Subbaraman Narayanamurthy | 0a749db | 2016-10-03 18:33:19 -0700 | [diff] [blame] | 558 | if (chip->battery_missing) |
| 559 | return -ENODATA; |
| 560 | |
Nicholas Troast | a2b4037 | 2016-08-15 10:45:39 -0700 | [diff] [blame] | 561 | rc = fg_sram_read(chip, chip->sp[id].addr_word, chip->sp[id].addr_byte, |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 562 | buf, chip->sp[id].len, FG_IMA_DEFAULT); |
| 563 | if (rc < 0) { |
Subbaraman Narayanamurthy | 2d62e9e | 2017-06-02 17:40:28 -0700 | [diff] [blame] | 564 | pr_err("Error reading address %d[%d] rc=%d\n", |
Nicholas Troast | a2b4037 | 2016-08-15 10:45:39 -0700 | [diff] [blame] | 565 | chip->sp[id].addr_word, chip->sp[id].addr_byte, rc); |
Nicholas Troast | b2d7174 | 2016-08-04 14:31:41 -0700 | [diff] [blame] | 566 | return rc; |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 567 | } |
| 568 | |
| 569 | for (i = 0, temp = 0; i < chip->sp[id].len; i++) |
| 570 | temp |= buf[i] << (8 * i); |
| 571 | |
| 572 | *val = fg_decode(chip->sp, id, temp); |
| 573 | return 0; |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 574 | } |
| 575 | |
Subbaraman Narayanamurthy | 07be919 | 2016-09-14 14:48:49 -0700 | [diff] [blame] | 576 | #define CC_SOC_30BIT GENMASK(29, 0) |
Subbaraman Narayanamurthy | dd6ea38 | 2017-03-15 13:15:31 -0700 | [diff] [blame] | 577 | static int fg_get_charge_raw(struct fg_chip *chip, int *val) |
Subbaraman Narayanamurthy | 07be919 | 2016-09-14 14:48:49 -0700 | [diff] [blame] | 578 | { |
| 579 | int rc, cc_soc; |
| 580 | |
| 581 | rc = fg_get_sram_prop(chip, FG_SRAM_CC_SOC, &cc_soc); |
| 582 | if (rc < 0) { |
| 583 | pr_err("Error in getting CC_SOC, rc=%d\n", rc); |
| 584 | return rc; |
| 585 | } |
| 586 | |
Ashay Jaiswal | bd8070f | 2018-06-16 19:54:05 +0530 | [diff] [blame] | 587 | *val = div_s64((int64_t)cc_soc * chip->cl.nom_cap_uah, CC_SOC_30BIT); |
Subbaraman Narayanamurthy | 07be919 | 2016-09-14 14:48:49 -0700 | [diff] [blame] | 588 | return 0; |
| 589 | } |
| 590 | |
Subbaraman Narayanamurthy | ef69cf2 | 2017-09-13 16:38:40 -0700 | [diff] [blame] | 591 | #define BATT_SOC_32BIT GENMASK(31, 0) |
| 592 | static int fg_get_charge_counter_shadow(struct fg_chip *chip, int *val) |
| 593 | { |
Ashay Jaiswal | bd8070f | 2018-06-16 19:54:05 +0530 | [diff] [blame] | 594 | int rc; |
| 595 | unsigned int batt_soc; |
Subbaraman Narayanamurthy | ef69cf2 | 2017-09-13 16:38:40 -0700 | [diff] [blame] | 596 | |
| 597 | rc = fg_get_sram_prop(chip, FG_SRAM_BATT_SOC, &batt_soc); |
| 598 | if (rc < 0) { |
| 599 | pr_err("Error in getting BATT_SOC, rc=%d\n", rc); |
| 600 | return rc; |
| 601 | } |
| 602 | |
Ashay Jaiswal | bd8070f | 2018-06-16 19:54:05 +0530 | [diff] [blame] | 603 | *val = div_u64((uint64_t)batt_soc * chip->cl.learned_cc_uah, |
| 604 | BATT_SOC_32BIT); |
Subbaraman Narayanamurthy | ef69cf2 | 2017-09-13 16:38:40 -0700 | [diff] [blame] | 605 | return 0; |
| 606 | } |
| 607 | |
Subbaraman Narayanamurthy | dd6ea38 | 2017-03-15 13:15:31 -0700 | [diff] [blame] | 608 | static int fg_get_charge_counter(struct fg_chip *chip, int *val) |
Subbaraman Narayanamurthy | 07be919 | 2016-09-14 14:48:49 -0700 | [diff] [blame] | 609 | { |
Ashay Jaiswal | bd8070f | 2018-06-16 19:54:05 +0530 | [diff] [blame] | 610 | int rc; |
| 611 | int cc_soc; |
Subbaraman Narayanamurthy | 07be919 | 2016-09-14 14:48:49 -0700 | [diff] [blame] | 612 | |
| 613 | rc = fg_get_sram_prop(chip, FG_SRAM_CC_SOC_SW, &cc_soc); |
| 614 | if (rc < 0) { |
| 615 | pr_err("Error in getting CC_SOC_SW, rc=%d\n", rc); |
| 616 | return rc; |
| 617 | } |
| 618 | |
Ashay Jaiswal | bd8070f | 2018-06-16 19:54:05 +0530 | [diff] [blame] | 619 | *val = div_s64((int64_t)cc_soc * chip->cl.learned_cc_uah, CC_SOC_30BIT); |
Subbaraman Narayanamurthy | 07be919 | 2016-09-14 14:48:49 -0700 | [diff] [blame] | 620 | return 0; |
| 621 | } |
| 622 | |
Subbaraman Narayanamurthy | edff890 | 2017-08-11 19:24:24 -0700 | [diff] [blame] | 623 | static int fg_get_jeita_threshold(struct fg_chip *chip, |
| 624 | enum jeita_levels level, int *temp_decidegC) |
| 625 | { |
| 626 | int rc; |
| 627 | u8 val; |
| 628 | u16 reg; |
| 629 | |
| 630 | switch (level) { |
| 631 | case JEITA_COLD: |
| 632 | reg = BATT_INFO_JEITA_TOO_COLD(chip); |
| 633 | break; |
| 634 | case JEITA_COOL: |
| 635 | reg = BATT_INFO_JEITA_COLD(chip); |
| 636 | break; |
| 637 | case JEITA_WARM: |
| 638 | reg = BATT_INFO_JEITA_HOT(chip); |
| 639 | break; |
| 640 | case JEITA_HOT: |
| 641 | reg = BATT_INFO_JEITA_TOO_HOT(chip); |
| 642 | break; |
| 643 | default: |
| 644 | return -EINVAL; |
| 645 | } |
| 646 | |
| 647 | rc = fg_read(chip, reg, &val, 1); |
| 648 | if (rc < 0) { |
| 649 | pr_err("Error in reading jeita level %d, rc=%d\n", level, rc); |
| 650 | return rc; |
| 651 | } |
| 652 | |
| 653 | /* Resolution is 0.5C. Base is -30C. */ |
| 654 | *temp_decidegC = (((5 * val) / 10) - 30) * 10; |
| 655 | return 0; |
| 656 | } |
| 657 | |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 658 | #define BATT_TEMP_NUMR 1 |
| 659 | #define BATT_TEMP_DENR 1 |
| 660 | static int fg_get_battery_temp(struct fg_chip *chip, int *val) |
| 661 | { |
Subbaraman Narayanamurthy | fabbb8e | 2016-10-21 16:55:09 -0700 | [diff] [blame] | 662 | int rc = 0, temp; |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 663 | u8 buf[2]; |
| 664 | |
| 665 | rc = fg_read(chip, BATT_INFO_BATT_TEMP_LSB(chip), buf, 2); |
| 666 | if (rc < 0) { |
| 667 | pr_err("failed to read addr=0x%04x, rc=%d\n", |
| 668 | BATT_INFO_BATT_TEMP_LSB(chip), rc); |
| 669 | return rc; |
| 670 | } |
| 671 | |
| 672 | temp = ((buf[1] & BATT_TEMP_MSB_MASK) << 8) | |
| 673 | (buf[0] & BATT_TEMP_LSB_MASK); |
| 674 | temp = DIV_ROUND_CLOSEST(temp, 4); |
| 675 | |
| 676 | /* Value is in Kelvin; Convert it to deciDegC */ |
| 677 | temp = (temp - 273) * 10; |
| 678 | *val = temp; |
| 679 | return 0; |
| 680 | } |
| 681 | |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 682 | static int fg_get_battery_resistance(struct fg_chip *chip, int *val) |
| 683 | { |
Subbaraman Narayanamurthy | c297f6de | 2016-11-28 18:05:20 -0800 | [diff] [blame] | 684 | int rc, esr_uohms, rslow_uohms; |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 685 | |
Subbaraman Narayanamurthy | dcfc866 | 2017-02-24 16:04:46 -0800 | [diff] [blame] | 686 | rc = fg_get_sram_prop(chip, FG_SRAM_ESR, &esr_uohms); |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 687 | if (rc < 0) { |
| 688 | pr_err("failed to get ESR, rc=%d\n", rc); |
| 689 | return rc; |
| 690 | } |
| 691 | |
Subbaraman Narayanamurthy | c297f6de | 2016-11-28 18:05:20 -0800 | [diff] [blame] | 692 | rc = fg_get_sram_prop(chip, FG_SRAM_RSLOW, &rslow_uohms); |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 693 | if (rc < 0) { |
| 694 | pr_err("failed to get Rslow, rc=%d\n", rc); |
| 695 | return rc; |
| 696 | } |
| 697 | |
Subbaraman Narayanamurthy | c297f6de | 2016-11-28 18:05:20 -0800 | [diff] [blame] | 698 | *val = esr_uohms + rslow_uohms; |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 699 | return 0; |
| 700 | } |
| 701 | |
| 702 | #define BATT_CURRENT_NUMR 488281 |
| 703 | #define BATT_CURRENT_DENR 1000 |
| 704 | static int fg_get_battery_current(struct fg_chip *chip, int *val) |
| 705 | { |
| 706 | int rc = 0; |
| 707 | int64_t temp = 0; |
| 708 | u8 buf[2]; |
| 709 | |
| 710 | rc = fg_read(chip, BATT_INFO_IBATT_LSB(chip), buf, 2); |
| 711 | if (rc < 0) { |
| 712 | pr_err("failed to read addr=0x%04x, rc=%d\n", |
| 713 | BATT_INFO_IBATT_LSB(chip), rc); |
| 714 | return rc; |
| 715 | } |
| 716 | |
Ashay Jaiswal | 63d486e | 2016-12-07 11:21:32 +0530 | [diff] [blame] | 717 | if (chip->wa_flags & PMI8998_V1_REV_WA) |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 718 | temp = buf[0] << 8 | buf[1]; |
| 719 | else |
| 720 | temp = buf[1] << 8 | buf[0]; |
| 721 | |
| 722 | pr_debug("buf: %x %x temp: %llx\n", buf[0], buf[1], temp); |
| 723 | /* Sign bit is bit 15 */ |
| 724 | temp = twos_compliment_extend(temp, 15); |
| 725 | *val = div_s64((s64)temp * BATT_CURRENT_NUMR, BATT_CURRENT_DENR); |
| 726 | return 0; |
| 727 | } |
| 728 | |
| 729 | #define BATT_VOLTAGE_NUMR 122070 |
| 730 | #define BATT_VOLTAGE_DENR 1000 |
| 731 | static int fg_get_battery_voltage(struct fg_chip *chip, int *val) |
| 732 | { |
| 733 | int rc = 0; |
| 734 | u16 temp = 0; |
| 735 | u8 buf[2]; |
| 736 | |
| 737 | rc = fg_read(chip, BATT_INFO_VBATT_LSB(chip), buf, 2); |
| 738 | if (rc < 0) { |
| 739 | pr_err("failed to read addr=0x%04x, rc=%d\n", |
| 740 | BATT_INFO_VBATT_LSB(chip), rc); |
| 741 | return rc; |
| 742 | } |
| 743 | |
Ashay Jaiswal | 63d486e | 2016-12-07 11:21:32 +0530 | [diff] [blame] | 744 | if (chip->wa_flags & PMI8998_V1_REV_WA) |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 745 | temp = buf[0] << 8 | buf[1]; |
| 746 | else |
| 747 | temp = buf[1] << 8 | buf[0]; |
| 748 | |
| 749 | pr_debug("buf: %x %x temp: %x\n", buf[0], buf[1], temp); |
| 750 | *val = div_u64((u64)temp * BATT_VOLTAGE_NUMR, BATT_VOLTAGE_DENR); |
| 751 | return 0; |
| 752 | } |
| 753 | |
| 754 | #define MAX_TRIES_SOC 5 |
| 755 | static int fg_get_msoc_raw(struct fg_chip *chip, int *val) |
| 756 | { |
| 757 | u8 cap[2]; |
| 758 | int rc, tries = 0; |
| 759 | |
| 760 | while (tries < MAX_TRIES_SOC) { |
| 761 | rc = fg_read(chip, BATT_SOC_FG_MONOTONIC_SOC(chip), cap, 2); |
| 762 | if (rc < 0) { |
| 763 | pr_err("failed to read addr=0x%04x, rc=%d\n", |
| 764 | BATT_SOC_FG_MONOTONIC_SOC(chip), rc); |
| 765 | return rc; |
| 766 | } |
| 767 | |
| 768 | if (cap[0] == cap[1]) |
| 769 | break; |
| 770 | |
| 771 | tries++; |
| 772 | } |
| 773 | |
| 774 | if (tries == MAX_TRIES_SOC) { |
| 775 | pr_err("shadow registers do not match\n"); |
| 776 | return -EINVAL; |
| 777 | } |
| 778 | |
| 779 | fg_dbg(chip, FG_POWER_SUPPLY, "raw: 0x%02x\n", cap[0]); |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 780 | *val = cap[0]; |
| 781 | return 0; |
| 782 | } |
| 783 | |
Subbaraman Narayanamurthy | 03f7d45 | 2017-01-06 15:47:24 -0800 | [diff] [blame] | 784 | #define FULL_CAPACITY 100 |
| 785 | #define FULL_SOC_RAW 255 |
| 786 | static int fg_get_msoc(struct fg_chip *chip, int *msoc) |
| 787 | { |
| 788 | int rc; |
| 789 | |
| 790 | rc = fg_get_msoc_raw(chip, msoc); |
| 791 | if (rc < 0) |
| 792 | return rc; |
| 793 | |
Subbaraman Narayanamurthy | 286d516 | 2017-10-27 20:02:54 -0700 | [diff] [blame] | 794 | /* |
| 795 | * To have better endpoints for 0 and 100, it is good to tune the |
| 796 | * calculation discarding values 0 and 255 while rounding off. Rest |
| 797 | * of the values 1-254 will be scaled to 1-99. DIV_ROUND_UP will not |
| 798 | * be suitable here as it rounds up any value higher than 252 to 100. |
| 799 | */ |
| 800 | if (*msoc == FULL_SOC_RAW) |
| 801 | *msoc = 100; |
| 802 | else if (*msoc == 0) |
| 803 | *msoc = 0; |
| 804 | else |
| 805 | *msoc = DIV_ROUND_CLOSEST((*msoc - 1) * (FULL_CAPACITY - 2), |
| 806 | FULL_SOC_RAW - 2) + 1; |
Subbaraman Narayanamurthy | 03f7d45 | 2017-01-06 15:47:24 -0800 | [diff] [blame] | 807 | return 0; |
| 808 | } |
| 809 | |
Subbaraman Narayanamurthy | 03e6c61 | 2016-11-09 16:40:27 -0800 | [diff] [blame] | 810 | static bool is_batt_empty(struct fg_chip *chip) |
| 811 | { |
| 812 | u8 status; |
| 813 | int rc, vbatt_uv, msoc; |
| 814 | |
| 815 | rc = fg_read(chip, BATT_SOC_INT_RT_STS(chip), &status, 1); |
| 816 | if (rc < 0) { |
| 817 | pr_err("failed to read addr=0x%04x, rc=%d\n", |
| 818 | BATT_SOC_INT_RT_STS(chip), rc); |
| 819 | return false; |
| 820 | } |
| 821 | |
| 822 | if (!(status & MSOC_EMPTY_BIT)) |
| 823 | return false; |
| 824 | |
| 825 | rc = fg_get_battery_voltage(chip, &vbatt_uv); |
| 826 | if (rc < 0) { |
| 827 | pr_err("failed to get battery voltage, rc=%d\n", rc); |
| 828 | return false; |
| 829 | } |
| 830 | |
Subbaraman Narayanamurthy | 03f7d45 | 2017-01-06 15:47:24 -0800 | [diff] [blame] | 831 | rc = fg_get_msoc(chip, &msoc); |
Subbaraman Narayanamurthy | 03e6c61 | 2016-11-09 16:40:27 -0800 | [diff] [blame] | 832 | if (!rc) |
| 833 | pr_warn("batt_soc_rt_sts: %x vbatt: %d uV msoc:%d\n", status, |
| 834 | vbatt_uv, msoc); |
| 835 | |
| 836 | return ((vbatt_uv < chip->dt.cutoff_volt_mv * 1000) ? true : false); |
| 837 | } |
| 838 | |
Subbaraman Narayanamurthy | 243fc3f | 2016-11-28 16:05:09 -0800 | [diff] [blame] | 839 | static int fg_get_debug_batt_id(struct fg_chip *chip, int *batt_id) |
| 840 | { |
| 841 | int rc; |
| 842 | u64 temp; |
| 843 | u8 buf[2]; |
| 844 | |
| 845 | rc = fg_read(chip, ADC_RR_FAKE_BATT_LOW_LSB(chip), buf, 2); |
| 846 | if (rc < 0) { |
| 847 | pr_err("failed to read addr=0x%04x, rc=%d\n", |
| 848 | ADC_RR_FAKE_BATT_LOW_LSB(chip), rc); |
| 849 | return rc; |
| 850 | } |
| 851 | |
| 852 | /* |
| 853 | * Fake battery threshold is encoded in the following format. |
| 854 | * Threshold (code) = (battery_id in Ohms) * 0.00015 * 2^10 / 2.5 |
| 855 | */ |
| 856 | temp = (buf[1] << 8 | buf[0]) * 2500000; |
| 857 | do_div(temp, 150 * 1024); |
| 858 | batt_id[0] = temp; |
| 859 | rc = fg_read(chip, ADC_RR_FAKE_BATT_HIGH_LSB(chip), buf, 2); |
| 860 | if (rc < 0) { |
| 861 | pr_err("failed to read addr=0x%04x, rc=%d\n", |
| 862 | ADC_RR_FAKE_BATT_HIGH_LSB(chip), rc); |
| 863 | return rc; |
| 864 | } |
| 865 | |
| 866 | temp = (buf[1] << 8 | buf[0]) * 2500000; |
| 867 | do_div(temp, 150 * 1024); |
| 868 | batt_id[1] = temp; |
| 869 | pr_debug("debug batt_id range: [%d %d]\n", batt_id[0], batt_id[1]); |
| 870 | return 0; |
| 871 | } |
| 872 | |
Subbaraman Narayanamurthy | 2d65d5b | 2016-11-03 12:02:52 -0700 | [diff] [blame] | 873 | static bool is_debug_batt_id(struct fg_chip *chip) |
| 874 | { |
Subbaraman Narayanamurthy | 243fc3f | 2016-11-28 16:05:09 -0800 | [diff] [blame] | 875 | int debug_batt_id[2], rc; |
Subbaraman Narayanamurthy | 2d65d5b | 2016-11-03 12:02:52 -0700 | [diff] [blame] | 876 | |
Fenglin Wu | 16ef9a7 | 2017-11-06 23:24:54 +0800 | [diff] [blame] | 877 | if (chip->batt_id_ohms < 0) |
Subbaraman Narayanamurthy | 2d65d5b | 2016-11-03 12:02:52 -0700 | [diff] [blame] | 878 | return false; |
| 879 | |
Subbaraman Narayanamurthy | 243fc3f | 2016-11-28 16:05:09 -0800 | [diff] [blame] | 880 | rc = fg_get_debug_batt_id(chip, debug_batt_id); |
| 881 | if (rc < 0) { |
| 882 | pr_err("Failed to get debug batt_id, rc=%d\n", rc); |
| 883 | return false; |
| 884 | } |
| 885 | |
| 886 | if (is_between(debug_batt_id[0], debug_batt_id[1], |
| 887 | chip->batt_id_ohms)) { |
| 888 | fg_dbg(chip, FG_POWER_SUPPLY, "Debug battery id: %dohms\n", |
| 889 | chip->batt_id_ohms); |
Subbaraman Narayanamurthy | 2d65d5b | 2016-11-03 12:02:52 -0700 | [diff] [blame] | 890 | return true; |
| 891 | } |
| 892 | |
| 893 | return false; |
| 894 | } |
| 895 | |
Subbaraman Narayanamurthy | 2d65d5b | 2016-11-03 12:02:52 -0700 | [diff] [blame] | 896 | #define DEBUG_BATT_SOC 67 |
Subbaraman Narayanamurthy | e55a6aa | 2017-01-24 18:45:14 -0800 | [diff] [blame] | 897 | #define BATT_MISS_SOC 50 |
Subbaraman Narayanamurthy | c7b3332 | 2016-11-01 16:29:46 -0700 | [diff] [blame] | 898 | #define EMPTY_SOC 0 |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 899 | static int fg_get_prop_capacity(struct fg_chip *chip, int *val) |
| 900 | { |
| 901 | int rc, msoc; |
| 902 | |
Subbaraman Narayanamurthy | 2d65d5b | 2016-11-03 12:02:52 -0700 | [diff] [blame] | 903 | if (is_debug_batt_id(chip)) { |
| 904 | *val = DEBUG_BATT_SOC; |
| 905 | return 0; |
| 906 | } |
| 907 | |
Subbaraman Narayanamurthy | e55a6aa | 2017-01-24 18:45:14 -0800 | [diff] [blame] | 908 | if (chip->fg_restarting) { |
| 909 | *val = chip->last_soc; |
| 910 | return 0; |
| 911 | } |
| 912 | |
Subbaraman Narayanamurthy | 55b5489 | 2017-11-21 15:33:16 -0800 | [diff] [blame] | 913 | if (chip->battery_missing || !chip->soc_reporting_ready) { |
Subbaraman Narayanamurthy | e55a6aa | 2017-01-24 18:45:14 -0800 | [diff] [blame] | 914 | *val = BATT_MISS_SOC; |
| 915 | return 0; |
| 916 | } |
| 917 | |
Subbaraman Narayanamurthy | 03e6c61 | 2016-11-09 16:40:27 -0800 | [diff] [blame] | 918 | if (is_batt_empty(chip)) { |
Subbaraman Narayanamurthy | c7b3332 | 2016-11-01 16:29:46 -0700 | [diff] [blame] | 919 | *val = EMPTY_SOC; |
| 920 | return 0; |
| 921 | } |
| 922 | |
Subbaraman Narayanamurthy | f9611e3 | 2016-09-26 11:12:47 -0700 | [diff] [blame] | 923 | if (chip->charge_full) { |
| 924 | *val = FULL_CAPACITY; |
| 925 | return 0; |
| 926 | } |
| 927 | |
Subbaraman Narayanamurthy | 03f7d45 | 2017-01-06 15:47:24 -0800 | [diff] [blame] | 928 | rc = fg_get_msoc(chip, &msoc); |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 929 | if (rc < 0) |
| 930 | return rc; |
| 931 | |
Subbaraman Narayanamurthy | 50fb7fd | 2017-07-25 20:01:25 -0700 | [diff] [blame] | 932 | if (chip->dt.linearize_soc && chip->delta_soc > 0) |
Subbaraman Narayanamurthy | 03f7d45 | 2017-01-06 15:47:24 -0800 | [diff] [blame] | 933 | *val = chip->maint_soc; |
| 934 | else |
| 935 | *val = msoc; |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 936 | return 0; |
| 937 | } |
| 938 | |
Anirudh Ghayal | af38fdc | 2019-05-23 14:19:42 +0530 | [diff] [blame] | 939 | static int fg_get_prop_real_capacity(struct fg_chip *chip, int *val) |
| 940 | { |
| 941 | return fg_get_msoc(chip, val); |
| 942 | } |
| 943 | |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 944 | #define DEFAULT_BATT_TYPE "Unknown Battery" |
| 945 | #define MISSING_BATT_TYPE "Missing Battery" |
| 946 | #define LOADING_BATT_TYPE "Loading Battery" |
Subbaraman Narayanamurthy | 51a8149 | 2018-01-19 12:02:30 -0800 | [diff] [blame] | 947 | #define SKIP_BATT_TYPE "Skipped loading battery" |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 948 | static const char *fg_get_battery_type(struct fg_chip *chip) |
| 949 | { |
Subbaraman Narayanamurthy | 51a8149 | 2018-01-19 12:02:30 -0800 | [diff] [blame] | 950 | if (chip->battery_missing || |
| 951 | chip->profile_load_status == PROFILE_MISSING) |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 952 | return MISSING_BATT_TYPE; |
| 953 | |
Subbaraman Narayanamurthy | 51a8149 | 2018-01-19 12:02:30 -0800 | [diff] [blame] | 954 | if (chip->profile_load_status == PROFILE_SKIPPED) |
| 955 | return SKIP_BATT_TYPE; |
| 956 | |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 957 | if (chip->bp.batt_type_str) { |
| 958 | if (chip->profile_loaded) |
| 959 | return chip->bp.batt_type_str; |
Subbaraman Narayanamurthy | 34af21c | 2016-12-15 18:03:09 -0800 | [diff] [blame] | 960 | else if (chip->profile_available) |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 961 | return LOADING_BATT_TYPE; |
| 962 | } |
| 963 | |
| 964 | return DEFAULT_BATT_TYPE; |
| 965 | } |
| 966 | |
Subbaraman Narayanamurthy | 7d33351 | 2017-01-20 18:34:28 -0800 | [diff] [blame] | 967 | static int fg_batt_missing_config(struct fg_chip *chip, bool enable) |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 968 | { |
Subbaraman Narayanamurthy | 7d33351 | 2017-01-20 18:34:28 -0800 | [diff] [blame] | 969 | int rc; |
| 970 | |
| 971 | rc = fg_masked_write(chip, BATT_INFO_BATT_MISS_CFG(chip), |
| 972 | BM_FROM_BATT_ID_BIT, enable ? BM_FROM_BATT_ID_BIT : 0); |
| 973 | if (rc < 0) |
| 974 | pr_err("Error in writing to %04x, rc=%d\n", |
| 975 | BATT_INFO_BATT_MISS_CFG(chip), rc); |
| 976 | return rc; |
| 977 | } |
| 978 | |
| 979 | static int fg_get_batt_id(struct fg_chip *chip) |
| 980 | { |
| 981 | int rc, ret, batt_id = 0; |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 982 | |
| 983 | if (!chip->batt_id_chan) |
| 984 | return -EINVAL; |
| 985 | |
Subbaraman Narayanamurthy | 7d33351 | 2017-01-20 18:34:28 -0800 | [diff] [blame] | 986 | rc = fg_batt_missing_config(chip, false); |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 987 | if (rc < 0) { |
Subbaraman Narayanamurthy | 7d33351 | 2017-01-20 18:34:28 -0800 | [diff] [blame] | 988 | pr_err("Error in disabling BMD, rc=%d\n", rc); |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 989 | return rc; |
| 990 | } |
| 991 | |
Subbaraman Narayanamurthy | 7d33351 | 2017-01-20 18:34:28 -0800 | [diff] [blame] | 992 | rc = iio_read_channel_processed(chip->batt_id_chan, &batt_id); |
| 993 | if (rc < 0) { |
| 994 | pr_err("Error in reading batt_id channel, rc:%d\n", rc); |
| 995 | goto out; |
| 996 | } |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 997 | |
Fenglin Wu | d10ccf1 | 2017-08-10 15:43:41 +0800 | [diff] [blame] | 998 | /* Wait for BATT_ID to settle down before enabling BMD again */ |
| 999 | msleep(chip->dt.bmd_en_delay_ms); |
Subbaraman Narayanamurthy | 7d33351 | 2017-01-20 18:34:28 -0800 | [diff] [blame] | 1000 | |
| 1001 | fg_dbg(chip, FG_STATUS, "batt_id: %d\n", batt_id); |
| 1002 | chip->batt_id_ohms = batt_id; |
| 1003 | out: |
| 1004 | ret = fg_batt_missing_config(chip, true); |
| 1005 | if (ret < 0) { |
| 1006 | pr_err("Error in enabling BMD, ret=%d\n", ret); |
| 1007 | return ret; |
| 1008 | } |
| 1009 | |
Subbaraman Narayanamurthy | ecc0602 | 2017-04-04 16:10:35 -0700 | [diff] [blame] | 1010 | vote(chip->batt_miss_irq_en_votable, BATT_MISS_IRQ_VOTER, true, 0); |
Subbaraman Narayanamurthy | 7d33351 | 2017-01-20 18:34:28 -0800 | [diff] [blame] | 1011 | return rc; |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 1012 | } |
| 1013 | |
| 1014 | static int fg_get_batt_profile(struct fg_chip *chip) |
| 1015 | { |
| 1016 | struct device_node *node = chip->dev->of_node; |
| 1017 | struct device_node *batt_node, *profile_node; |
| 1018 | const char *data; |
Subbaraman Narayanamurthy | 7d33351 | 2017-01-20 18:34:28 -0800 | [diff] [blame] | 1019 | int rc, len; |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 1020 | |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 1021 | batt_node = of_find_node_by_name(node, "qcom,battery-data"); |
| 1022 | if (!batt_node) { |
| 1023 | pr_err("Batterydata not available\n"); |
| 1024 | return -ENXIO; |
| 1025 | } |
| 1026 | |
Subbaraman Narayanamurthy | 7d33351 | 2017-01-20 18:34:28 -0800 | [diff] [blame] | 1027 | profile_node = of_batterydata_get_best_profile(batt_node, |
| 1028 | chip->batt_id_ohms / 1000, NULL); |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 1029 | if (IS_ERR(profile_node)) |
| 1030 | return PTR_ERR(profile_node); |
| 1031 | |
| 1032 | if (!profile_node) { |
| 1033 | pr_err("couldn't find profile handle\n"); |
| 1034 | return -ENODATA; |
| 1035 | } |
| 1036 | |
| 1037 | rc = of_property_read_string(profile_node, "qcom,battery-type", |
| 1038 | &chip->bp.batt_type_str); |
| 1039 | if (rc < 0) { |
| 1040 | pr_err("battery type unavailable, rc:%d\n", rc); |
| 1041 | return rc; |
| 1042 | } |
| 1043 | |
| 1044 | rc = of_property_read_u32(profile_node, "qcom,max-voltage-uv", |
| 1045 | &chip->bp.float_volt_uv); |
| 1046 | if (rc < 0) { |
| 1047 | pr_err("battery float voltage unavailable, rc:%d\n", rc); |
| 1048 | chip->bp.float_volt_uv = -EINVAL; |
| 1049 | } |
| 1050 | |
Subbaraman Narayanamurthy | 5f653bb | 2016-12-09 15:24:12 -0800 | [diff] [blame] | 1051 | rc = of_property_read_u32(profile_node, "qcom,fastchg-current-ma", |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 1052 | &chip->bp.fastchg_curr_ma); |
| 1053 | if (rc < 0) { |
Subbaraman Narayanamurthy | 5f653bb | 2016-12-09 15:24:12 -0800 | [diff] [blame] | 1054 | pr_err("battery fastchg current unavailable, rc:%d\n", rc); |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 1055 | chip->bp.fastchg_curr_ma = -EINVAL; |
| 1056 | } |
| 1057 | |
Subbaraman Narayanamurthy | 6e7053e | 2016-09-19 14:52:12 -0700 | [diff] [blame] | 1058 | rc = of_property_read_u32(profile_node, "qcom,fg-cc-cv-threshold-mv", |
| 1059 | &chip->bp.vbatt_full_mv); |
| 1060 | if (rc < 0) { |
| 1061 | pr_err("battery cc_cv threshold unavailable, rc:%d\n", rc); |
| 1062 | chip->bp.vbatt_full_mv = -EINVAL; |
| 1063 | } |
| 1064 | |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 1065 | data = of_get_property(profile_node, "qcom,fg-profile-data", &len); |
| 1066 | if (!data) { |
| 1067 | pr_err("No profile data available\n"); |
| 1068 | return -ENODATA; |
| 1069 | } |
| 1070 | |
| 1071 | if (len != PROFILE_LEN) { |
| 1072 | pr_err("battery profile incorrect size: %d\n", len); |
| 1073 | return -EINVAL; |
| 1074 | } |
| 1075 | |
Subbaraman Narayanamurthy | 6e7053e | 2016-09-19 14:52:12 -0700 | [diff] [blame] | 1076 | chip->profile_available = true; |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 1077 | memcpy(chip->batt_profile, data, len); |
Subbaraman Narayanamurthy | 7d33351 | 2017-01-20 18:34:28 -0800 | [diff] [blame] | 1078 | |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 1079 | return 0; |
| 1080 | } |
| 1081 | |
Subbaraman Narayanamurthy | 11bddec | 2016-09-26 11:27:24 -0700 | [diff] [blame] | 1082 | static inline void get_batt_temp_delta(int delta, u8 *val) |
| 1083 | { |
| 1084 | switch (delta) { |
| 1085 | case 2: |
| 1086 | *val = BTEMP_DELTA_2K; |
| 1087 | break; |
| 1088 | case 4: |
| 1089 | *val = BTEMP_DELTA_4K; |
| 1090 | break; |
| 1091 | case 6: |
| 1092 | *val = BTEMP_DELTA_6K; |
| 1093 | break; |
| 1094 | case 10: |
| 1095 | *val = BTEMP_DELTA_10K; |
| 1096 | break; |
| 1097 | default: |
| 1098 | *val = BTEMP_DELTA_2K; |
| 1099 | break; |
| 1100 | }; |
| 1101 | } |
| 1102 | |
Subbaraman Narayanamurthy | e14037f | 2017-03-16 19:14:58 -0700 | [diff] [blame] | 1103 | static inline void get_esr_meas_current(int curr_ma, u8 *val) |
| 1104 | { |
| 1105 | switch (curr_ma) { |
| 1106 | case 60: |
| 1107 | *val = ESR_MEAS_CUR_60MA; |
| 1108 | break; |
| 1109 | case 120: |
| 1110 | *val = ESR_MEAS_CUR_120MA; |
| 1111 | break; |
| 1112 | case 180: |
| 1113 | *val = ESR_MEAS_CUR_180MA; |
| 1114 | break; |
| 1115 | case 240: |
| 1116 | *val = ESR_MEAS_CUR_240MA; |
| 1117 | break; |
| 1118 | default: |
| 1119 | *val = ESR_MEAS_CUR_120MA; |
| 1120 | break; |
| 1121 | }; |
| 1122 | |
| 1123 | *val <<= ESR_PULL_DOWN_IVAL_SHIFT; |
| 1124 | } |
| 1125 | |
Subbaraman Narayanamurthy | 784bd5b | 2017-05-17 17:43:22 -0700 | [diff] [blame] | 1126 | static int fg_set_esr_timer(struct fg_chip *chip, int cycles_init, |
| 1127 | int cycles_max, bool charging, int flags) |
Nicholas Troast | dcf8fe6 | 2016-08-04 14:30:02 -0700 | [diff] [blame] | 1128 | { |
| 1129 | u8 buf[2]; |
| 1130 | int rc, timer_max, timer_init; |
| 1131 | |
Subbaraman Narayanamurthy | 784bd5b | 2017-05-17 17:43:22 -0700 | [diff] [blame] | 1132 | if (cycles_init < 0 || cycles_max < 0) |
| 1133 | return 0; |
| 1134 | |
Nicholas Troast | dcf8fe6 | 2016-08-04 14:30:02 -0700 | [diff] [blame] | 1135 | if (charging) { |
| 1136 | timer_max = FG_SRAM_ESR_TIMER_CHG_MAX; |
| 1137 | timer_init = FG_SRAM_ESR_TIMER_CHG_INIT; |
| 1138 | } else { |
| 1139 | timer_max = FG_SRAM_ESR_TIMER_DISCHG_MAX; |
| 1140 | timer_init = FG_SRAM_ESR_TIMER_DISCHG_INIT; |
| 1141 | } |
| 1142 | |
Subbaraman Narayanamurthy | 784bd5b | 2017-05-17 17:43:22 -0700 | [diff] [blame] | 1143 | fg_encode(chip->sp, timer_max, cycles_max, buf); |
Nicholas Troast | dcf8fe6 | 2016-08-04 14:30:02 -0700 | [diff] [blame] | 1144 | rc = fg_sram_write(chip, |
Nicholas Troast | a2b4037 | 2016-08-15 10:45:39 -0700 | [diff] [blame] | 1145 | chip->sp[timer_max].addr_word, |
| 1146 | chip->sp[timer_max].addr_byte, buf, |
Nicholas Troast | dcf8fe6 | 2016-08-04 14:30:02 -0700 | [diff] [blame] | 1147 | chip->sp[timer_max].len, flags); |
| 1148 | if (rc < 0) { |
| 1149 | pr_err("Error in writing esr_timer_dischg_max, rc=%d\n", |
| 1150 | rc); |
| 1151 | return rc; |
| 1152 | } |
| 1153 | |
Subbaraman Narayanamurthy | 784bd5b | 2017-05-17 17:43:22 -0700 | [diff] [blame] | 1154 | fg_encode(chip->sp, timer_init, cycles_init, buf); |
Nicholas Troast | dcf8fe6 | 2016-08-04 14:30:02 -0700 | [diff] [blame] | 1155 | rc = fg_sram_write(chip, |
Nicholas Troast | a2b4037 | 2016-08-15 10:45:39 -0700 | [diff] [blame] | 1156 | chip->sp[timer_init].addr_word, |
| 1157 | chip->sp[timer_init].addr_byte, buf, |
Nicholas Troast | dcf8fe6 | 2016-08-04 14:30:02 -0700 | [diff] [blame] | 1158 | chip->sp[timer_init].len, flags); |
| 1159 | if (rc < 0) { |
| 1160 | pr_err("Error in writing esr_timer_dischg_init, rc=%d\n", |
| 1161 | rc); |
| 1162 | return rc; |
| 1163 | } |
| 1164 | |
Subbaraman Narayanamurthy | 784bd5b | 2017-05-17 17:43:22 -0700 | [diff] [blame] | 1165 | fg_dbg(chip, FG_STATUS, "esr_%s_timer set to %d/%d\n", |
| 1166 | charging ? "charging" : "discharging", cycles_init, cycles_max); |
Nicholas Troast | dcf8fe6 | 2016-08-04 14:30:02 -0700 | [diff] [blame] | 1167 | return 0; |
| 1168 | } |
| 1169 | |
Nicholas Troast | e29dec9 | 2016-08-24 09:35:11 -0700 | [diff] [blame] | 1170 | /* Other functions HERE */ |
| 1171 | |
Abhijeet Dharmapurikar | 2cdd140 | 2017-01-10 15:38:27 -0800 | [diff] [blame] | 1172 | static void fg_notify_charger(struct fg_chip *chip) |
| 1173 | { |
| 1174 | union power_supply_propval prop = {0, }; |
| 1175 | int rc; |
| 1176 | |
| 1177 | if (!chip->batt_psy) |
| 1178 | return; |
| 1179 | |
| 1180 | if (!chip->profile_available) |
| 1181 | return; |
| 1182 | |
| 1183 | prop.intval = chip->bp.float_volt_uv; |
| 1184 | rc = power_supply_set_property(chip->batt_psy, |
| 1185 | POWER_SUPPLY_PROP_VOLTAGE_MAX, &prop); |
| 1186 | if (rc < 0) { |
| 1187 | pr_err("Error in setting voltage_max property on batt_psy, rc=%d\n", |
| 1188 | rc); |
| 1189 | return; |
| 1190 | } |
| 1191 | |
| 1192 | prop.intval = chip->bp.fastchg_curr_ma * 1000; |
| 1193 | rc = power_supply_set_property(chip->batt_psy, |
| 1194 | POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT_MAX, &prop); |
| 1195 | if (rc < 0) { |
| 1196 | pr_err("Error in setting constant_charge_current_max property on batt_psy, rc=%d\n", |
| 1197 | rc); |
| 1198 | return; |
| 1199 | } |
| 1200 | |
| 1201 | fg_dbg(chip, FG_STATUS, "Notified charger on float voltage and FCC\n"); |
| 1202 | } |
| 1203 | |
Subbaraman Narayanamurthy | ecc0602 | 2017-04-04 16:10:35 -0700 | [diff] [blame] | 1204 | static int fg_batt_miss_irq_en_cb(struct votable *votable, void *data, |
| 1205 | int enable, const char *client) |
| 1206 | { |
| 1207 | struct fg_chip *chip = data; |
| 1208 | |
| 1209 | if (!chip->irqs[BATT_MISSING_IRQ].irq) |
| 1210 | return 0; |
| 1211 | |
| 1212 | if (enable) { |
| 1213 | enable_irq(chip->irqs[BATT_MISSING_IRQ].irq); |
| 1214 | enable_irq_wake(chip->irqs[BATT_MISSING_IRQ].irq); |
| 1215 | } else { |
| 1216 | disable_irq_wake(chip->irqs[BATT_MISSING_IRQ].irq); |
Subbaraman Narayanamurthy | d1b4c84 | 2017-09-29 16:07:28 -0700 | [diff] [blame] | 1217 | disable_irq_nosync(chip->irqs[BATT_MISSING_IRQ].irq); |
Subbaraman Narayanamurthy | ecc0602 | 2017-04-04 16:10:35 -0700 | [diff] [blame] | 1218 | } |
| 1219 | |
| 1220 | return 0; |
| 1221 | } |
| 1222 | |
Subbaraman Narayanamurthy | 5344817 | 2017-03-15 12:47:00 -0700 | [diff] [blame] | 1223 | static int fg_delta_bsoc_irq_en_cb(struct votable *votable, void *data, |
| 1224 | int enable, const char *client) |
| 1225 | { |
| 1226 | struct fg_chip *chip = data; |
| 1227 | |
| 1228 | if (!chip->irqs[BSOC_DELTA_IRQ].irq) |
| 1229 | return 0; |
| 1230 | |
| 1231 | if (enable) { |
| 1232 | enable_irq(chip->irqs[BSOC_DELTA_IRQ].irq); |
| 1233 | enable_irq_wake(chip->irqs[BSOC_DELTA_IRQ].irq); |
| 1234 | } else { |
| 1235 | disable_irq_wake(chip->irqs[BSOC_DELTA_IRQ].irq); |
Subbaraman Narayanamurthy | d1b4c84 | 2017-09-29 16:07:28 -0700 | [diff] [blame] | 1236 | disable_irq_nosync(chip->irqs[BSOC_DELTA_IRQ].irq); |
Subbaraman Narayanamurthy | 5344817 | 2017-03-15 12:47:00 -0700 | [diff] [blame] | 1237 | } |
| 1238 | |
| 1239 | return 0; |
| 1240 | } |
| 1241 | |
Nicholas Troast | e29dec9 | 2016-08-24 09:35:11 -0700 | [diff] [blame] | 1242 | static int fg_awake_cb(struct votable *votable, void *data, int awake, |
| 1243 | const char *client) |
| 1244 | { |
| 1245 | struct fg_chip *chip = data; |
| 1246 | |
| 1247 | if (awake) |
| 1248 | pm_stay_awake(chip->dev); |
| 1249 | else |
| 1250 | pm_relax(chip->dev); |
| 1251 | |
| 1252 | pr_debug("client: %s awake: %d\n", client, awake); |
| 1253 | return 0; |
| 1254 | } |
| 1255 | |
Abhijeet Dharmapurikar | 2cdd140 | 2017-01-10 15:38:27 -0800 | [diff] [blame] | 1256 | static bool batt_psy_initialized(struct fg_chip *chip) |
Nicholas Troast | e29dec9 | 2016-08-24 09:35:11 -0700 | [diff] [blame] | 1257 | { |
Abhijeet Dharmapurikar | 2cdd140 | 2017-01-10 15:38:27 -0800 | [diff] [blame] | 1258 | if (chip->batt_psy) |
| 1259 | return true; |
Nicholas Troast | e29dec9 | 2016-08-24 09:35:11 -0700 | [diff] [blame] | 1260 | |
Abhijeet Dharmapurikar | 2cdd140 | 2017-01-10 15:38:27 -0800 | [diff] [blame] | 1261 | chip->batt_psy = power_supply_get_by_name("battery"); |
Nicholas Troast | e29dec9 | 2016-08-24 09:35:11 -0700 | [diff] [blame] | 1262 | if (!chip->batt_psy) |
| 1263 | return false; |
| 1264 | |
Abhijeet Dharmapurikar | 2cdd140 | 2017-01-10 15:38:27 -0800 | [diff] [blame] | 1265 | /* batt_psy is initialized, set the fcc and fv */ |
| 1266 | fg_notify_charger(chip); |
| 1267 | |
Nicholas Troast | e29dec9 | 2016-08-24 09:35:11 -0700 | [diff] [blame] | 1268 | return true; |
| 1269 | } |
| 1270 | |
Nicholas Troast | 805c242 | 2017-07-06 14:53:46 -0700 | [diff] [blame] | 1271 | static bool usb_psy_initialized(struct fg_chip *chip) |
| 1272 | { |
| 1273 | if (chip->usb_psy) |
| 1274 | return true; |
| 1275 | |
| 1276 | chip->usb_psy = power_supply_get_by_name("usb"); |
| 1277 | if (!chip->usb_psy) |
| 1278 | return false; |
| 1279 | |
| 1280 | return true; |
| 1281 | } |
| 1282 | |
| 1283 | static bool pc_port_psy_initialized(struct fg_chip *chip) |
| 1284 | { |
| 1285 | if (chip->pc_port_psy) |
| 1286 | return true; |
| 1287 | |
| 1288 | chip->pc_port_psy = power_supply_get_by_name("pc_port"); |
| 1289 | if (!chip->pc_port_psy) |
| 1290 | return false; |
| 1291 | |
| 1292 | return true; |
| 1293 | } |
| 1294 | |
| 1295 | static bool dc_psy_initialized(struct fg_chip *chip) |
| 1296 | { |
| 1297 | if (chip->dc_psy) |
| 1298 | return true; |
| 1299 | |
| 1300 | chip->dc_psy = power_supply_get_by_name("dc"); |
| 1301 | if (!chip->dc_psy) |
| 1302 | return false; |
| 1303 | |
| 1304 | return true; |
| 1305 | } |
| 1306 | |
Subbaraman Narayanamurthy | a9aacae | 2016-11-01 19:31:44 -0700 | [diff] [blame] | 1307 | static bool is_parallel_charger_available(struct fg_chip *chip) |
| 1308 | { |
| 1309 | if (!chip->parallel_psy) |
| 1310 | chip->parallel_psy = power_supply_get_by_name("parallel"); |
| 1311 | |
| 1312 | if (!chip->parallel_psy) |
| 1313 | return false; |
| 1314 | |
| 1315 | return true; |
| 1316 | } |
| 1317 | |
Ashay Jaiswal | bd8070f | 2018-06-16 19:54:05 +0530 | [diff] [blame] | 1318 | static int fg_prime_cc_soc_sw(struct fg_chip *chip, unsigned int cc_soc_sw) |
Subbaraman Narayanamurthy | ef69cf2 | 2017-09-13 16:38:40 -0700 | [diff] [blame] | 1319 | { |
| 1320 | int rc; |
| 1321 | |
| 1322 | rc = fg_sram_write(chip, chip->sp[FG_SRAM_CC_SOC_SW].addr_word, |
| 1323 | chip->sp[FG_SRAM_CC_SOC_SW].addr_byte, (u8 *)&cc_soc_sw, |
| 1324 | chip->sp[FG_SRAM_CC_SOC_SW].len, FG_IMA_ATOMIC); |
| 1325 | if (rc < 0) |
| 1326 | pr_err("Error in writing cc_soc_sw, rc=%d\n", rc); |
| 1327 | else |
Ashay Jaiswal | bd8070f | 2018-06-16 19:54:05 +0530 | [diff] [blame] | 1328 | fg_dbg(chip, FG_STATUS, "cc_soc_sw: %u\n", cc_soc_sw); |
Subbaraman Narayanamurthy | ef69cf2 | 2017-09-13 16:38:40 -0700 | [diff] [blame] | 1329 | |
| 1330 | return rc; |
| 1331 | } |
| 1332 | |
Subbaraman Narayanamurthy | 07be919 | 2016-09-14 14:48:49 -0700 | [diff] [blame] | 1333 | static int fg_save_learned_cap_to_sram(struct fg_chip *chip) |
| 1334 | { |
| 1335 | int16_t cc_mah; |
| 1336 | int rc; |
| 1337 | |
| 1338 | if (chip->battery_missing || !chip->cl.learned_cc_uah) |
| 1339 | return -EPERM; |
| 1340 | |
| 1341 | cc_mah = div64_s64(chip->cl.learned_cc_uah, 1000); |
Subbaraman Narayanamurthy | 2932f60 | 2016-10-17 14:01:34 -0700 | [diff] [blame] | 1342 | /* Write to a backup register to use across reboot */ |
Subbaraman Narayanamurthy | 07be919 | 2016-09-14 14:48:49 -0700 | [diff] [blame] | 1343 | rc = fg_sram_write(chip, chip->sp[FG_SRAM_ACT_BATT_CAP].addr_word, |
| 1344 | chip->sp[FG_SRAM_ACT_BATT_CAP].addr_byte, (u8 *)&cc_mah, |
| 1345 | chip->sp[FG_SRAM_ACT_BATT_CAP].len, FG_IMA_DEFAULT); |
| 1346 | if (rc < 0) { |
Subbaraman Narayanamurthy | 2932f60 | 2016-10-17 14:01:34 -0700 | [diff] [blame] | 1347 | pr_err("Error in writing act_batt_cap_bkup, rc=%d\n", rc); |
| 1348 | return rc; |
| 1349 | } |
| 1350 | |
| 1351 | /* Write to actual capacity register for coulomb counter operation */ |
| 1352 | rc = fg_sram_write(chip, ACT_BATT_CAP_WORD, ACT_BATT_CAP_OFFSET, |
| 1353 | (u8 *)&cc_mah, chip->sp[FG_SRAM_ACT_BATT_CAP].len, |
| 1354 | FG_IMA_DEFAULT); |
| 1355 | if (rc < 0) { |
Subbaraman Narayanamurthy | 07be919 | 2016-09-14 14:48:49 -0700 | [diff] [blame] | 1356 | pr_err("Error in writing act_batt_cap, rc=%d\n", rc); |
| 1357 | return rc; |
| 1358 | } |
| 1359 | |
| 1360 | fg_dbg(chip, FG_CAP_LEARN, "learned capacity %llduah/%dmah stored\n", |
| 1361 | chip->cl.learned_cc_uah, cc_mah); |
| 1362 | return 0; |
| 1363 | } |
| 1364 | |
| 1365 | #define CAPACITY_DELTA_DECIPCT 500 |
| 1366 | static int fg_load_learned_cap_from_sram(struct fg_chip *chip) |
| 1367 | { |
| 1368 | int rc, act_cap_mah; |
| 1369 | int64_t delta_cc_uah, pct_nom_cap_uah; |
| 1370 | |
| 1371 | rc = fg_get_sram_prop(chip, FG_SRAM_ACT_BATT_CAP, &act_cap_mah); |
| 1372 | if (rc < 0) { |
| 1373 | pr_err("Error in getting ACT_BATT_CAP, rc=%d\n", rc); |
| 1374 | return rc; |
| 1375 | } |
| 1376 | |
| 1377 | chip->cl.learned_cc_uah = act_cap_mah * 1000; |
Subbaraman Narayanamurthy | 07be919 | 2016-09-14 14:48:49 -0700 | [diff] [blame] | 1378 | |
| 1379 | if (chip->cl.learned_cc_uah != chip->cl.nom_cap_uah) { |
Subbaraman Narayanamurthy | 51d3c90 | 2016-10-24 14:05:44 -0700 | [diff] [blame] | 1380 | if (chip->cl.learned_cc_uah == 0) |
| 1381 | chip->cl.learned_cc_uah = chip->cl.nom_cap_uah; |
| 1382 | |
Subbaraman Narayanamurthy | 07be919 | 2016-09-14 14:48:49 -0700 | [diff] [blame] | 1383 | delta_cc_uah = abs(chip->cl.learned_cc_uah - |
| 1384 | chip->cl.nom_cap_uah); |
| 1385 | pct_nom_cap_uah = div64_s64((int64_t)chip->cl.nom_cap_uah * |
| 1386 | CAPACITY_DELTA_DECIPCT, 1000); |
| 1387 | /* |
| 1388 | * If the learned capacity is out of range by 50% from the |
| 1389 | * nominal capacity, then overwrite the learned capacity with |
| 1390 | * the nominal capacity. |
| 1391 | */ |
| 1392 | if (chip->cl.nom_cap_uah && delta_cc_uah > pct_nom_cap_uah) { |
Subbaraman Narayanamurthy | 2932f60 | 2016-10-17 14:01:34 -0700 | [diff] [blame] | 1393 | fg_dbg(chip, FG_CAP_LEARN, "learned_cc_uah: %lld is higher than expected, capping it to nominal: %lld\n", |
| 1394 | chip->cl.learned_cc_uah, chip->cl.nom_cap_uah); |
Subbaraman Narayanamurthy | 07be919 | 2016-09-14 14:48:49 -0700 | [diff] [blame] | 1395 | chip->cl.learned_cc_uah = chip->cl.nom_cap_uah; |
Subbaraman Narayanamurthy | 07be919 | 2016-09-14 14:48:49 -0700 | [diff] [blame] | 1396 | } |
Subbaraman Narayanamurthy | 2932f60 | 2016-10-17 14:01:34 -0700 | [diff] [blame] | 1397 | |
| 1398 | rc = fg_save_learned_cap_to_sram(chip); |
| 1399 | if (rc < 0) |
| 1400 | pr_err("Error in saving learned_cc_uah, rc=%d\n", rc); |
Subbaraman Narayanamurthy | 07be919 | 2016-09-14 14:48:49 -0700 | [diff] [blame] | 1401 | } |
| 1402 | |
| 1403 | fg_dbg(chip, FG_CAP_LEARN, "learned_cc_uah:%lld nom_cap_uah: %lld\n", |
| 1404 | chip->cl.learned_cc_uah, chip->cl.nom_cap_uah); |
| 1405 | return 0; |
| 1406 | } |
| 1407 | |
| 1408 | static bool is_temp_valid_cap_learning(struct fg_chip *chip) |
| 1409 | { |
| 1410 | int rc, batt_temp; |
| 1411 | |
| 1412 | rc = fg_get_battery_temp(chip, &batt_temp); |
| 1413 | if (rc < 0) { |
| 1414 | pr_err("Error in getting batt_temp\n"); |
| 1415 | return false; |
| 1416 | } |
| 1417 | |
| 1418 | if (batt_temp > chip->dt.cl_max_temp || |
| 1419 | batt_temp < chip->dt.cl_min_temp) { |
| 1420 | fg_dbg(chip, FG_CAP_LEARN, "batt temp %d out of range [%d %d]\n", |
| 1421 | batt_temp, chip->dt.cl_min_temp, chip->dt.cl_max_temp); |
| 1422 | return false; |
| 1423 | } |
| 1424 | |
| 1425 | return true; |
| 1426 | } |
| 1427 | |
Subbaraman Narayanamurthy | d1190cf | 2017-06-23 18:25:09 -0700 | [diff] [blame] | 1428 | #define QNOVO_CL_SKEW_DECIPCT -30 |
Subbaraman Narayanamurthy | 07be919 | 2016-09-14 14:48:49 -0700 | [diff] [blame] | 1429 | static void fg_cap_learning_post_process(struct fg_chip *chip) |
| 1430 | { |
| 1431 | int64_t max_inc_val, min_dec_val, old_cap; |
| 1432 | int rc; |
| 1433 | |
Subbaraman Narayanamurthy | d1190cf | 2017-06-23 18:25:09 -0700 | [diff] [blame] | 1434 | if (is_qnovo_en(chip)) { |
| 1435 | fg_dbg(chip, FG_CAP_LEARN, "applying skew %d on current learnt capacity %lld\n", |
| 1436 | QNOVO_CL_SKEW_DECIPCT, chip->cl.final_cc_uah); |
| 1437 | chip->cl.final_cc_uah = chip->cl.final_cc_uah * |
| 1438 | (1000 + QNOVO_CL_SKEW_DECIPCT); |
Subbaraman Narayanamurthy | 4e0bb67 | 2018-05-02 15:26:58 -0700 | [diff] [blame] | 1439 | chip->cl.final_cc_uah = div64_u64(chip->cl.final_cc_uah, 1000); |
Subbaraman Narayanamurthy | d1190cf | 2017-06-23 18:25:09 -0700 | [diff] [blame] | 1440 | } |
| 1441 | |
Subbaraman Narayanamurthy | 07be919 | 2016-09-14 14:48:49 -0700 | [diff] [blame] | 1442 | max_inc_val = chip->cl.learned_cc_uah |
| 1443 | * (1000 + chip->dt.cl_max_cap_inc); |
Subbaraman Narayanamurthy | 4e0bb67 | 2018-05-02 15:26:58 -0700 | [diff] [blame] | 1444 | max_inc_val = div64_u64(max_inc_val, 1000); |
Subbaraman Narayanamurthy | 07be919 | 2016-09-14 14:48:49 -0700 | [diff] [blame] | 1445 | |
| 1446 | min_dec_val = chip->cl.learned_cc_uah |
| 1447 | * (1000 - chip->dt.cl_max_cap_dec); |
Subbaraman Narayanamurthy | 4e0bb67 | 2018-05-02 15:26:58 -0700 | [diff] [blame] | 1448 | min_dec_val = div64_u64(min_dec_val, 1000); |
Subbaraman Narayanamurthy | 07be919 | 2016-09-14 14:48:49 -0700 | [diff] [blame] | 1449 | |
| 1450 | old_cap = chip->cl.learned_cc_uah; |
| 1451 | if (chip->cl.final_cc_uah > max_inc_val) |
| 1452 | chip->cl.learned_cc_uah = max_inc_val; |
| 1453 | else if (chip->cl.final_cc_uah < min_dec_val) |
| 1454 | chip->cl.learned_cc_uah = min_dec_val; |
| 1455 | else |
| 1456 | chip->cl.learned_cc_uah = |
| 1457 | chip->cl.final_cc_uah; |
| 1458 | |
| 1459 | if (chip->dt.cl_max_cap_limit) { |
| 1460 | max_inc_val = (int64_t)chip->cl.nom_cap_uah * (1000 + |
| 1461 | chip->dt.cl_max_cap_limit); |
Subbaraman Narayanamurthy | 4e0bb67 | 2018-05-02 15:26:58 -0700 | [diff] [blame] | 1462 | max_inc_val = div64_u64(max_inc_val, 1000); |
Subbaraman Narayanamurthy | 07be919 | 2016-09-14 14:48:49 -0700 | [diff] [blame] | 1463 | if (chip->cl.final_cc_uah > max_inc_val) { |
| 1464 | fg_dbg(chip, FG_CAP_LEARN, "learning capacity %lld goes above max limit %lld\n", |
| 1465 | chip->cl.final_cc_uah, max_inc_val); |
| 1466 | chip->cl.learned_cc_uah = max_inc_val; |
| 1467 | } |
| 1468 | } |
| 1469 | |
| 1470 | if (chip->dt.cl_min_cap_limit) { |
| 1471 | min_dec_val = (int64_t)chip->cl.nom_cap_uah * (1000 - |
| 1472 | chip->dt.cl_min_cap_limit); |
Subbaraman Narayanamurthy | 4e0bb67 | 2018-05-02 15:26:58 -0700 | [diff] [blame] | 1473 | min_dec_val = div64_u64(min_dec_val, 1000); |
Subbaraman Narayanamurthy | 07be919 | 2016-09-14 14:48:49 -0700 | [diff] [blame] | 1474 | if (chip->cl.final_cc_uah < min_dec_val) { |
| 1475 | fg_dbg(chip, FG_CAP_LEARN, "learning capacity %lld goes below min limit %lld\n", |
| 1476 | chip->cl.final_cc_uah, min_dec_val); |
| 1477 | chip->cl.learned_cc_uah = min_dec_val; |
| 1478 | } |
| 1479 | } |
| 1480 | |
| 1481 | rc = fg_save_learned_cap_to_sram(chip); |
| 1482 | if (rc < 0) |
| 1483 | pr_err("Error in saving learned_cc_uah, rc=%d\n", rc); |
| 1484 | |
| 1485 | fg_dbg(chip, FG_CAP_LEARN, "final cc_uah = %lld, learned capacity %lld -> %lld uah\n", |
| 1486 | chip->cl.final_cc_uah, old_cap, chip->cl.learned_cc_uah); |
| 1487 | } |
| 1488 | |
Subbaraman Narayanamurthy | dd6ea38 | 2017-03-15 13:15:31 -0700 | [diff] [blame] | 1489 | static int fg_cap_learning_process_full_data(struct fg_chip *chip) |
Subbaraman Narayanamurthy | 07be919 | 2016-09-14 14:48:49 -0700 | [diff] [blame] | 1490 | { |
Ashay Jaiswal | bd8070f | 2018-06-16 19:54:05 +0530 | [diff] [blame] | 1491 | int rc; |
| 1492 | unsigned int cc_soc_sw; |
Subbaraman Narayanamurthy | 07be919 | 2016-09-14 14:48:49 -0700 | [diff] [blame] | 1493 | int64_t delta_cc_uah; |
Ashay Jaiswal | bd8070f | 2018-06-16 19:54:05 +0530 | [diff] [blame] | 1494 | unsigned int cc_soc_delta_pct; |
Subbaraman Narayanamurthy | 07be919 | 2016-09-14 14:48:49 -0700 | [diff] [blame] | 1495 | |
| 1496 | rc = fg_get_sram_prop(chip, FG_SRAM_CC_SOC_SW, &cc_soc_sw); |
| 1497 | if (rc < 0) { |
| 1498 | pr_err("Error in getting CC_SOC_SW, rc=%d\n", rc); |
| 1499 | return rc; |
| 1500 | } |
| 1501 | |
Subbaraman Narayanamurthy | 3cf60ee | 2017-06-02 11:38:58 -0700 | [diff] [blame] | 1502 | cc_soc_delta_pct = |
| 1503 | div64_s64((int64_t)(cc_soc_sw - chip->cl.init_cc_soc_sw) * 100, |
| 1504 | CC_SOC_30BIT); |
| 1505 | |
| 1506 | /* If the delta is < 50%, then skip processing full data */ |
| 1507 | if (cc_soc_delta_pct < 50) { |
| 1508 | pr_err("cc_soc_delta_pct: %d\n", cc_soc_delta_pct); |
| 1509 | return -ERANGE; |
| 1510 | } |
| 1511 | |
Ashay Jaiswal | bd8070f | 2018-06-16 19:54:05 +0530 | [diff] [blame] | 1512 | delta_cc_uah = div64_u64(chip->cl.learned_cc_uah * cc_soc_delta_pct, |
Subbaraman Narayanamurthy | 07be919 | 2016-09-14 14:48:49 -0700 | [diff] [blame] | 1513 | 100); |
| 1514 | chip->cl.final_cc_uah = chip->cl.init_cc_uah + delta_cc_uah; |
Ashay Jaiswal | bd8070f | 2018-06-16 19:54:05 +0530 | [diff] [blame] | 1515 | fg_dbg(chip, FG_CAP_LEARN, "Current cc_soc=%d cc_soc_delta_pct=%u total_cc_uah=%llu\n", |
Subbaraman Narayanamurthy | 07be919 | 2016-09-14 14:48:49 -0700 | [diff] [blame] | 1516 | cc_soc_sw, cc_soc_delta_pct, chip->cl.final_cc_uah); |
| 1517 | return 0; |
| 1518 | } |
| 1519 | |
Subbaraman Narayanamurthy | dd6ea38 | 2017-03-15 13:15:31 -0700 | [diff] [blame] | 1520 | static int fg_cap_learning_begin(struct fg_chip *chip, u32 batt_soc) |
Subbaraman Narayanamurthy | 07be919 | 2016-09-14 14:48:49 -0700 | [diff] [blame] | 1521 | { |
Ashay Jaiswal | bd8070f | 2018-06-16 19:54:05 +0530 | [diff] [blame] | 1522 | int rc; |
| 1523 | unsigned int batt_soc_msb, cc_soc_sw; |
Subbaraman Narayanamurthy | 07be919 | 2016-09-14 14:48:49 -0700 | [diff] [blame] | 1524 | |
Subbaraman Narayanamurthy | dd6ea38 | 2017-03-15 13:15:31 -0700 | [diff] [blame] | 1525 | batt_soc_msb = batt_soc >> 24; |
| 1526 | if (DIV_ROUND_CLOSEST(batt_soc_msb * 100, FULL_SOC_RAW) > |
Subbaraman Narayanamurthy | 07be919 | 2016-09-14 14:48:49 -0700 | [diff] [blame] | 1527 | chip->dt.cl_start_soc) { |
Ashay Jaiswal | bd8070f | 2018-06-16 19:54:05 +0530 | [diff] [blame] | 1528 | fg_dbg(chip, FG_CAP_LEARN, "Battery SOC %u is high!, not starting\n", |
Subbaraman Narayanamurthy | dd6ea38 | 2017-03-15 13:15:31 -0700 | [diff] [blame] | 1529 | batt_soc_msb); |
Subbaraman Narayanamurthy | 07be919 | 2016-09-14 14:48:49 -0700 | [diff] [blame] | 1530 | return -EINVAL; |
| 1531 | } |
| 1532 | |
Ashay Jaiswal | bd8070f | 2018-06-16 19:54:05 +0530 | [diff] [blame] | 1533 | chip->cl.init_cc_uah = div64_u64(chip->cl.learned_cc_uah * batt_soc_msb, |
Subbaraman Narayanamurthy | 07be919 | 2016-09-14 14:48:49 -0700 | [diff] [blame] | 1534 | FULL_SOC_RAW); |
Subbaraman Narayanamurthy | dd6ea38 | 2017-03-15 13:15:31 -0700 | [diff] [blame] | 1535 | |
| 1536 | /* Prime cc_soc_sw with battery SOC when capacity learning begins */ |
Ashay Jaiswal | bd8070f | 2018-06-16 19:54:05 +0530 | [diff] [blame] | 1537 | cc_soc_sw = div64_u64((uint64_t)batt_soc * CC_SOC_30BIT, |
Subbaraman Narayanamurthy | dd6ea38 | 2017-03-15 13:15:31 -0700 | [diff] [blame] | 1538 | BATT_SOC_32BIT); |
Subbaraman Narayanamurthy | ef69cf2 | 2017-09-13 16:38:40 -0700 | [diff] [blame] | 1539 | rc = fg_prime_cc_soc_sw(chip, cc_soc_sw); |
Subbaraman Narayanamurthy | 07be919 | 2016-09-14 14:48:49 -0700 | [diff] [blame] | 1540 | if (rc < 0) { |
Subbaraman Narayanamurthy | dd6ea38 | 2017-03-15 13:15:31 -0700 | [diff] [blame] | 1541 | pr_err("Error in writing cc_soc_sw, rc=%d\n", rc); |
| 1542 | goto out; |
Subbaraman Narayanamurthy | 07be919 | 2016-09-14 14:48:49 -0700 | [diff] [blame] | 1543 | } |
| 1544 | |
| 1545 | chip->cl.init_cc_soc_sw = cc_soc_sw; |
Subbaraman Narayanamurthy | 07be919 | 2016-09-14 14:48:49 -0700 | [diff] [blame] | 1546 | fg_dbg(chip, FG_CAP_LEARN, "Capacity learning started @ battery SOC %d init_cc_soc_sw:%d\n", |
Subbaraman Narayanamurthy | dd6ea38 | 2017-03-15 13:15:31 -0700 | [diff] [blame] | 1547 | batt_soc_msb, chip->cl.init_cc_soc_sw); |
| 1548 | out: |
| 1549 | return rc; |
Subbaraman Narayanamurthy | 07be919 | 2016-09-14 14:48:49 -0700 | [diff] [blame] | 1550 | } |
| 1551 | |
| 1552 | static int fg_cap_learning_done(struct fg_chip *chip) |
| 1553 | { |
Ashay Jaiswal | bd8070f | 2018-06-16 19:54:05 +0530 | [diff] [blame] | 1554 | int rc; |
| 1555 | unsigned int cc_soc_sw; |
Subbaraman Narayanamurthy | 07be919 | 2016-09-14 14:48:49 -0700 | [diff] [blame] | 1556 | |
| 1557 | rc = fg_cap_learning_process_full_data(chip); |
| 1558 | if (rc < 0) { |
| 1559 | pr_err("Error in processing cap learning full data, rc=%d\n", |
| 1560 | rc); |
| 1561 | goto out; |
| 1562 | } |
| 1563 | |
| 1564 | /* Write a FULL value to cc_soc_sw */ |
| 1565 | cc_soc_sw = CC_SOC_30BIT; |
Subbaraman Narayanamurthy | ef69cf2 | 2017-09-13 16:38:40 -0700 | [diff] [blame] | 1566 | rc = fg_prime_cc_soc_sw(chip, cc_soc_sw); |
Subbaraman Narayanamurthy | 07be919 | 2016-09-14 14:48:49 -0700 | [diff] [blame] | 1567 | if (rc < 0) { |
| 1568 | pr_err("Error in writing cc_soc_sw, rc=%d\n", rc); |
| 1569 | goto out; |
| 1570 | } |
| 1571 | |
| 1572 | fg_cap_learning_post_process(chip); |
| 1573 | out: |
| 1574 | return rc; |
| 1575 | } |
| 1576 | |
Subbaraman Narayanamurthy | 07be919 | 2016-09-14 14:48:49 -0700 | [diff] [blame] | 1577 | static void fg_cap_learning_update(struct fg_chip *chip) |
| 1578 | { |
Ashay Jaiswal | bd8070f | 2018-06-16 19:54:05 +0530 | [diff] [blame] | 1579 | int rc; |
| 1580 | unsigned int batt_soc, batt_soc_msb, cc_soc_sw; |
Abhijeet Dharmapurikar | 86a5e17 | 2017-07-05 13:58:04 -0700 | [diff] [blame] | 1581 | bool input_present = is_input_present(chip); |
Subbaraman Narayanamurthy | ef69cf2 | 2017-09-13 16:38:40 -0700 | [diff] [blame] | 1582 | bool prime_cc = false; |
Subbaraman Narayanamurthy | 07be919 | 2016-09-14 14:48:49 -0700 | [diff] [blame] | 1583 | |
| 1584 | mutex_lock(&chip->cl.lock); |
| 1585 | |
| 1586 | if (!is_temp_valid_cap_learning(chip) || !chip->cl.learned_cc_uah || |
| 1587 | chip->battery_missing) { |
| 1588 | fg_dbg(chip, FG_CAP_LEARN, "Aborting cap_learning %lld\n", |
| 1589 | chip->cl.learned_cc_uah); |
| 1590 | chip->cl.active = false; |
| 1591 | chip->cl.init_cc_uah = 0; |
| 1592 | goto out; |
| 1593 | } |
| 1594 | |
Subbaraman Narayanamurthy | ef69cf2 | 2017-09-13 16:38:40 -0700 | [diff] [blame] | 1595 | if (chip->charge_status == chip->prev_charge_status) |
| 1596 | goto out; |
| 1597 | |
Subbaraman Narayanamurthy | 07be919 | 2016-09-14 14:48:49 -0700 | [diff] [blame] | 1598 | rc = fg_get_sram_prop(chip, FG_SRAM_BATT_SOC, &batt_soc); |
| 1599 | if (rc < 0) { |
| 1600 | pr_err("Error in getting ACT_BATT_CAP, rc=%d\n", rc); |
| 1601 | goto out; |
| 1602 | } |
| 1603 | |
Subbaraman Narayanamurthy | dd6ea38 | 2017-03-15 13:15:31 -0700 | [diff] [blame] | 1604 | batt_soc_msb = (u32)batt_soc >> 24; |
Subbaraman Narayanamurthy | 07be919 | 2016-09-14 14:48:49 -0700 | [diff] [blame] | 1605 | fg_dbg(chip, FG_CAP_LEARN, "Chg_status: %d cl_active: %d batt_soc: %d\n", |
Subbaraman Narayanamurthy | dd6ea38 | 2017-03-15 13:15:31 -0700 | [diff] [blame] | 1606 | chip->charge_status, chip->cl.active, batt_soc_msb); |
Subbaraman Narayanamurthy | 07be919 | 2016-09-14 14:48:49 -0700 | [diff] [blame] | 1607 | |
| 1608 | /* Initialize the starting point of learning capacity */ |
| 1609 | if (!chip->cl.active) { |
Nicholas Troast | 1769fd3 | 2016-09-07 09:20:58 -0700 | [diff] [blame] | 1610 | if (chip->charge_status == POWER_SUPPLY_STATUS_CHARGING) { |
Subbaraman Narayanamurthy | 07be919 | 2016-09-14 14:48:49 -0700 | [diff] [blame] | 1611 | rc = fg_cap_learning_begin(chip, batt_soc); |
| 1612 | chip->cl.active = (rc == 0); |
Subbaraman Narayanamurthy | ef69cf2 | 2017-09-13 16:38:40 -0700 | [diff] [blame] | 1613 | } else { |
| 1614 | if ((chip->charge_status == |
| 1615 | POWER_SUPPLY_STATUS_DISCHARGING) || |
| 1616 | chip->charge_done) |
| 1617 | prime_cc = true; |
Subbaraman Narayanamurthy | 07be919 | 2016-09-14 14:48:49 -0700 | [diff] [blame] | 1618 | } |
Subbaraman Narayanamurthy | 07be919 | 2016-09-14 14:48:49 -0700 | [diff] [blame] | 1619 | } else { |
Subbaraman Narayanamurthy | f9611e3 | 2016-09-26 11:12:47 -0700 | [diff] [blame] | 1620 | if (chip->charge_done) { |
Subbaraman Narayanamurthy | 07be919 | 2016-09-14 14:48:49 -0700 | [diff] [blame] | 1621 | rc = fg_cap_learning_done(chip); |
| 1622 | if (rc < 0) |
| 1623 | pr_err("Error in completing capacity learning, rc=%d\n", |
| 1624 | rc); |
| 1625 | |
| 1626 | chip->cl.active = false; |
| 1627 | chip->cl.init_cc_uah = 0; |
| 1628 | } |
| 1629 | |
Abhijeet Dharmapurikar | 86a5e17 | 2017-07-05 13:58:04 -0700 | [diff] [blame] | 1630 | if (chip->charge_status == POWER_SUPPLY_STATUS_DISCHARGING) { |
| 1631 | if (!input_present) { |
| 1632 | fg_dbg(chip, FG_CAP_LEARN, "Capacity learning aborted @ battery SOC %d\n", |
| 1633 | batt_soc_msb); |
| 1634 | chip->cl.active = false; |
| 1635 | chip->cl.init_cc_uah = 0; |
Subbaraman Narayanamurthy | ef69cf2 | 2017-09-13 16:38:40 -0700 | [diff] [blame] | 1636 | prime_cc = true; |
Abhijeet Dharmapurikar | 86a5e17 | 2017-07-05 13:58:04 -0700 | [diff] [blame] | 1637 | } |
| 1638 | } |
| 1639 | |
Nicholas Troast | 1769fd3 | 2016-09-07 09:20:58 -0700 | [diff] [blame] | 1640 | if (chip->charge_status == POWER_SUPPLY_STATUS_NOT_CHARGING) { |
Abhijeet Dharmapurikar | 86a5e17 | 2017-07-05 13:58:04 -0700 | [diff] [blame] | 1641 | if (is_qnovo_en(chip) && input_present) { |
| 1642 | /* |
| 1643 | * Don't abort the capacity learning when qnovo |
| 1644 | * is enabled and input is present where the |
| 1645 | * charging status can go to "not charging" |
| 1646 | * intermittently. |
| 1647 | */ |
| 1648 | } else { |
| 1649 | fg_dbg(chip, FG_CAP_LEARN, "Capacity learning aborted @ battery SOC %d\n", |
| 1650 | batt_soc_msb); |
| 1651 | chip->cl.active = false; |
| 1652 | chip->cl.init_cc_uah = 0; |
Subbaraman Narayanamurthy | ef69cf2 | 2017-09-13 16:38:40 -0700 | [diff] [blame] | 1653 | prime_cc = true; |
Abhijeet Dharmapurikar | 86a5e17 | 2017-07-05 13:58:04 -0700 | [diff] [blame] | 1654 | } |
Subbaraman Narayanamurthy | 07be919 | 2016-09-14 14:48:49 -0700 | [diff] [blame] | 1655 | } |
| 1656 | } |
| 1657 | |
Subbaraman Narayanamurthy | ef69cf2 | 2017-09-13 16:38:40 -0700 | [diff] [blame] | 1658 | /* |
| 1659 | * Prime CC_SOC_SW when the device is not charging or during charge |
| 1660 | * termination when the capacity learning is not active. |
| 1661 | */ |
| 1662 | |
| 1663 | if (prime_cc) { |
| 1664 | if (chip->charge_done) |
| 1665 | cc_soc_sw = CC_SOC_30BIT; |
| 1666 | else |
Ashay Jaiswal | bd8070f | 2018-06-16 19:54:05 +0530 | [diff] [blame] | 1667 | cc_soc_sw = div_u64((uint64_t)batt_soc * |
Subbaraman Narayanamurthy | ef69cf2 | 2017-09-13 16:38:40 -0700 | [diff] [blame] | 1668 | CC_SOC_30BIT, BATT_SOC_32BIT); |
| 1669 | |
| 1670 | rc = fg_prime_cc_soc_sw(chip, cc_soc_sw); |
| 1671 | if (rc < 0) |
| 1672 | pr_err("Error in writing cc_soc_sw, rc=%d\n", |
| 1673 | rc); |
| 1674 | } |
| 1675 | |
Subbaraman Narayanamurthy | 07be919 | 2016-09-14 14:48:49 -0700 | [diff] [blame] | 1676 | out: |
| 1677 | mutex_unlock(&chip->cl.lock); |
| 1678 | } |
| 1679 | |
Subbaraman Narayanamurthy | db5f166 | 2018-04-04 19:47:30 -0700 | [diff] [blame] | 1680 | #define KI_COEFF_LOW_DISCHG_DEFAULT 800 |
Subbaraman Narayanamurthy | c1a94ed | 2016-10-05 19:58:58 -0700 | [diff] [blame] | 1681 | #define KI_COEFF_MED_DISCHG_DEFAULT 1500 |
| 1682 | #define KI_COEFF_HI_DISCHG_DEFAULT 2200 |
| 1683 | static int fg_adjust_ki_coeff_dischg(struct fg_chip *chip) |
| 1684 | { |
| 1685 | int rc, i, msoc; |
Subbaraman Narayanamurthy | db5f166 | 2018-04-04 19:47:30 -0700 | [diff] [blame] | 1686 | int ki_coeff_low = KI_COEFF_LOW_DISCHG_DEFAULT; |
Subbaraman Narayanamurthy | c1a94ed | 2016-10-05 19:58:58 -0700 | [diff] [blame] | 1687 | int ki_coeff_med = KI_COEFF_MED_DISCHG_DEFAULT; |
| 1688 | int ki_coeff_hi = KI_COEFF_HI_DISCHG_DEFAULT; |
| 1689 | u8 val; |
| 1690 | |
| 1691 | if (!chip->ki_coeff_dischg_en) |
| 1692 | return 0; |
| 1693 | |
| 1694 | rc = fg_get_prop_capacity(chip, &msoc); |
| 1695 | if (rc < 0) { |
| 1696 | pr_err("Error in getting capacity, rc=%d\n", rc); |
| 1697 | return rc; |
| 1698 | } |
| 1699 | |
Nicholas Troast | 1769fd3 | 2016-09-07 09:20:58 -0700 | [diff] [blame] | 1700 | if (chip->charge_status == POWER_SUPPLY_STATUS_DISCHARGING) { |
Subbaraman Narayanamurthy | c1a94ed | 2016-10-05 19:58:58 -0700 | [diff] [blame] | 1701 | for (i = KI_COEFF_SOC_LEVELS - 1; i >= 0; i--) { |
| 1702 | if (msoc < chip->dt.ki_coeff_soc[i]) { |
Subbaraman Narayanamurthy | db5f166 | 2018-04-04 19:47:30 -0700 | [diff] [blame] | 1703 | ki_coeff_low = chip->dt.ki_coeff_low_dischg[i]; |
Subbaraman Narayanamurthy | c1a94ed | 2016-10-05 19:58:58 -0700 | [diff] [blame] | 1704 | ki_coeff_med = chip->dt.ki_coeff_med_dischg[i]; |
| 1705 | ki_coeff_hi = chip->dt.ki_coeff_hi_dischg[i]; |
| 1706 | } |
| 1707 | } |
| 1708 | } |
| 1709 | |
Subbaraman Narayanamurthy | db5f166 | 2018-04-04 19:47:30 -0700 | [diff] [blame] | 1710 | fg_encode(chip->sp, FG_SRAM_KI_COEFF_LOW_DISCHG, ki_coeff_low, &val); |
| 1711 | rc = fg_sram_write(chip, |
| 1712 | chip->sp[FG_SRAM_KI_COEFF_LOW_DISCHG].addr_word, |
| 1713 | chip->sp[FG_SRAM_KI_COEFF_LOW_DISCHG].addr_byte, &val, |
| 1714 | chip->sp[FG_SRAM_KI_COEFF_LOW_DISCHG].len, |
| 1715 | FG_IMA_DEFAULT); |
| 1716 | if (rc < 0) { |
| 1717 | pr_err("Error in writing ki_coeff_low, rc=%d\n", rc); |
| 1718 | return rc; |
| 1719 | } |
| 1720 | |
Subbaraman Narayanamurthy | c1a94ed | 2016-10-05 19:58:58 -0700 | [diff] [blame] | 1721 | fg_encode(chip->sp, FG_SRAM_KI_COEFF_MED_DISCHG, ki_coeff_med, &val); |
| 1722 | rc = fg_sram_write(chip, |
| 1723 | chip->sp[FG_SRAM_KI_COEFF_MED_DISCHG].addr_word, |
| 1724 | chip->sp[FG_SRAM_KI_COEFF_MED_DISCHG].addr_byte, &val, |
| 1725 | chip->sp[FG_SRAM_KI_COEFF_MED_DISCHG].len, |
| 1726 | FG_IMA_DEFAULT); |
| 1727 | if (rc < 0) { |
| 1728 | pr_err("Error in writing ki_coeff_med, rc=%d\n", rc); |
| 1729 | return rc; |
| 1730 | } |
| 1731 | |
| 1732 | fg_encode(chip->sp, FG_SRAM_KI_COEFF_HI_DISCHG, ki_coeff_hi, &val); |
| 1733 | rc = fg_sram_write(chip, |
| 1734 | chip->sp[FG_SRAM_KI_COEFF_HI_DISCHG].addr_word, |
| 1735 | chip->sp[FG_SRAM_KI_COEFF_HI_DISCHG].addr_byte, &val, |
| 1736 | chip->sp[FG_SRAM_KI_COEFF_HI_DISCHG].len, |
| 1737 | FG_IMA_DEFAULT); |
| 1738 | if (rc < 0) { |
| 1739 | pr_err("Error in writing ki_coeff_hi, rc=%d\n", rc); |
| 1740 | return rc; |
| 1741 | } |
| 1742 | |
Subbaraman Narayanamurthy | db5f166 | 2018-04-04 19:47:30 -0700 | [diff] [blame] | 1743 | fg_dbg(chip, FG_STATUS, "Wrote ki_coeff_low %d ki_coeff_med %d ki_coeff_hi %d\n", |
| 1744 | ki_coeff_low, ki_coeff_med, ki_coeff_hi); |
Subbaraman Narayanamurthy | c1a94ed | 2016-10-05 19:58:58 -0700 | [diff] [blame] | 1745 | return 0; |
| 1746 | } |
| 1747 | |
Subbaraman Narayanamurthy | 1bf973e | 2017-04-04 19:24:20 -0700 | [diff] [blame] | 1748 | #define KI_COEFF_FULL_SOC_DEFAULT 733 |
| 1749 | static int fg_adjust_ki_coeff_full_soc(struct fg_chip *chip, int batt_temp) |
| 1750 | { |
| 1751 | int rc, ki_coeff_full_soc; |
| 1752 | u8 val; |
| 1753 | |
| 1754 | if (batt_temp < 0) |
| 1755 | ki_coeff_full_soc = 0; |
Subbaraman Narayanamurthy | e17be58 | 2017-08-08 19:28:37 -0700 | [diff] [blame] | 1756 | else if (chip->charge_status == POWER_SUPPLY_STATUS_DISCHARGING) |
| 1757 | ki_coeff_full_soc = chip->dt.ki_coeff_full_soc_dischg; |
Subbaraman Narayanamurthy | 1bf973e | 2017-04-04 19:24:20 -0700 | [diff] [blame] | 1758 | else |
| 1759 | ki_coeff_full_soc = KI_COEFF_FULL_SOC_DEFAULT; |
| 1760 | |
| 1761 | if (chip->ki_coeff_full_soc == ki_coeff_full_soc) |
| 1762 | return 0; |
| 1763 | |
| 1764 | fg_encode(chip->sp, FG_SRAM_KI_COEFF_FULL_SOC, ki_coeff_full_soc, &val); |
| 1765 | rc = fg_sram_write(chip, |
| 1766 | chip->sp[FG_SRAM_KI_COEFF_FULL_SOC].addr_word, |
| 1767 | chip->sp[FG_SRAM_KI_COEFF_FULL_SOC].addr_byte, &val, |
| 1768 | chip->sp[FG_SRAM_KI_COEFF_FULL_SOC].len, |
| 1769 | FG_IMA_DEFAULT); |
| 1770 | if (rc < 0) { |
| 1771 | pr_err("Error in writing ki_coeff_full_soc, rc=%d\n", rc); |
| 1772 | return rc; |
| 1773 | } |
| 1774 | |
| 1775 | chip->ki_coeff_full_soc = ki_coeff_full_soc; |
| 1776 | fg_dbg(chip, FG_STATUS, "Wrote ki_coeff_full_soc %d\n", |
| 1777 | ki_coeff_full_soc); |
| 1778 | return 0; |
| 1779 | } |
| 1780 | |
Subbaraman Narayanamurthy | deeaec72 | 2016-12-22 18:55:25 -0800 | [diff] [blame] | 1781 | static int fg_set_recharge_voltage(struct fg_chip *chip, int voltage_mv) |
| 1782 | { |
| 1783 | u8 buf; |
| 1784 | int rc; |
| 1785 | |
| 1786 | if (chip->dt.auto_recharge_soc) |
| 1787 | return 0; |
| 1788 | |
| 1789 | /* This configuration is available only for pmicobalt v2.0 and above */ |
| 1790 | if (chip->wa_flags & PMI8998_V1_REV_WA) |
| 1791 | return 0; |
| 1792 | |
Subbaraman Narayanamurthy | fdca8c2 | 2017-08-04 12:25:49 -0700 | [diff] [blame] | 1793 | if (voltage_mv == chip->last_recharge_volt_mv) |
| 1794 | return 0; |
| 1795 | |
Subbaraman Narayanamurthy | deeaec72 | 2016-12-22 18:55:25 -0800 | [diff] [blame] | 1796 | fg_dbg(chip, FG_STATUS, "Setting recharge voltage to %dmV\n", |
| 1797 | voltage_mv); |
| 1798 | fg_encode(chip->sp, FG_SRAM_RECHARGE_VBATT_THR, voltage_mv, &buf); |
| 1799 | rc = fg_sram_write(chip, |
| 1800 | chip->sp[FG_SRAM_RECHARGE_VBATT_THR].addr_word, |
| 1801 | chip->sp[FG_SRAM_RECHARGE_VBATT_THR].addr_byte, |
| 1802 | &buf, chip->sp[FG_SRAM_RECHARGE_VBATT_THR].len, |
| 1803 | FG_IMA_DEFAULT); |
| 1804 | if (rc < 0) { |
| 1805 | pr_err("Error in writing recharge_vbatt_thr, rc=%d\n", |
| 1806 | rc); |
| 1807 | return rc; |
| 1808 | } |
| 1809 | |
Subbaraman Narayanamurthy | fdca8c2 | 2017-08-04 12:25:49 -0700 | [diff] [blame] | 1810 | chip->last_recharge_volt_mv = voltage_mv; |
Subbaraman Narayanamurthy | deeaec72 | 2016-12-22 18:55:25 -0800 | [diff] [blame] | 1811 | return 0; |
| 1812 | } |
| 1813 | |
Subbaraman Narayanamurthy | 9b6c38a | 2017-07-26 16:46:41 -0700 | [diff] [blame] | 1814 | static int fg_configure_full_soc(struct fg_chip *chip, int bsoc) |
| 1815 | { |
| 1816 | int rc; |
| 1817 | u8 full_soc[2] = {0xFF, 0xFF}; |
| 1818 | |
| 1819 | /* |
| 1820 | * Once SOC masking condition is cleared, FULL_SOC and MONOTONIC_SOC |
| 1821 | * needs to be updated to reflect the same. Write battery SOC to |
| 1822 | * FULL_SOC and write a full value to MONOTONIC_SOC. |
| 1823 | */ |
| 1824 | rc = fg_sram_write(chip, FULL_SOC_WORD, FULL_SOC_OFFSET, |
| 1825 | (u8 *)&bsoc, 2, FG_IMA_ATOMIC); |
| 1826 | if (rc < 0) { |
| 1827 | pr_err("failed to write full_soc rc=%d\n", rc); |
| 1828 | return rc; |
| 1829 | } |
| 1830 | |
| 1831 | rc = fg_sram_write(chip, MONOTONIC_SOC_WORD, MONOTONIC_SOC_OFFSET, |
| 1832 | full_soc, 2, FG_IMA_ATOMIC); |
| 1833 | if (rc < 0) { |
| 1834 | pr_err("failed to write monotonic_soc rc=%d\n", rc); |
| 1835 | return rc; |
| 1836 | } |
| 1837 | |
| 1838 | return 0; |
| 1839 | } |
| 1840 | |
Subbaraman Narayanamurthy | deeaec72 | 2016-12-22 18:55:25 -0800 | [diff] [blame] | 1841 | #define AUTO_RECHG_VOLT_LOW_LIMIT_MV 3700 |
Subbaraman Narayanamurthy | f9611e3 | 2016-09-26 11:12:47 -0700 | [diff] [blame] | 1842 | static int fg_charge_full_update(struct fg_chip *chip) |
| 1843 | { |
| 1844 | union power_supply_propval prop = {0, }; |
Anirudh Ghayal | e2b26cc | 2017-07-12 10:12:24 +0530 | [diff] [blame] | 1845 | int rc, msoc, bsoc, recharge_soc, msoc_raw; |
Subbaraman Narayanamurthy | f9611e3 | 2016-09-26 11:12:47 -0700 | [diff] [blame] | 1846 | |
| 1847 | if (!chip->dt.hold_soc_while_full) |
| 1848 | return 0; |
| 1849 | |
Abhijeet Dharmapurikar | 2cdd140 | 2017-01-10 15:38:27 -0800 | [diff] [blame] | 1850 | if (!batt_psy_initialized(chip)) |
Subbaraman Narayanamurthy | f9611e3 | 2016-09-26 11:12:47 -0700 | [diff] [blame] | 1851 | return 0; |
| 1852 | |
Subbaraman Narayanamurthy | 03f7d45 | 2017-01-06 15:47:24 -0800 | [diff] [blame] | 1853 | mutex_lock(&chip->charge_full_lock); |
Subbaraman Narayanamurthy | 5344817 | 2017-03-15 12:47:00 -0700 | [diff] [blame] | 1854 | vote(chip->delta_bsoc_irq_en_votable, DELTA_BSOC_IRQ_VOTER, |
| 1855 | chip->charge_done, 0); |
Subbaraman Narayanamurthy | f9611e3 | 2016-09-26 11:12:47 -0700 | [diff] [blame] | 1856 | rc = power_supply_get_property(chip->batt_psy, POWER_SUPPLY_PROP_HEALTH, |
| 1857 | &prop); |
| 1858 | if (rc < 0) { |
| 1859 | pr_err("Error in getting battery health, rc=%d\n", rc); |
Subbaraman Narayanamurthy | 03f7d45 | 2017-01-06 15:47:24 -0800 | [diff] [blame] | 1860 | goto out; |
Subbaraman Narayanamurthy | f9611e3 | 2016-09-26 11:12:47 -0700 | [diff] [blame] | 1861 | } |
| 1862 | |
| 1863 | chip->health = prop.intval; |
| 1864 | recharge_soc = chip->dt.recharge_soc_thr; |
| 1865 | recharge_soc = DIV_ROUND_CLOSEST(recharge_soc * FULL_SOC_RAW, |
| 1866 | FULL_CAPACITY); |
| 1867 | rc = fg_get_sram_prop(chip, FG_SRAM_BATT_SOC, &bsoc); |
| 1868 | if (rc < 0) { |
| 1869 | pr_err("Error in getting BATT_SOC, rc=%d\n", rc); |
Subbaraman Narayanamurthy | 03f7d45 | 2017-01-06 15:47:24 -0800 | [diff] [blame] | 1870 | goto out; |
Subbaraman Narayanamurthy | f9611e3 | 2016-09-26 11:12:47 -0700 | [diff] [blame] | 1871 | } |
| 1872 | |
| 1873 | /* We need 2 most significant bytes here */ |
| 1874 | bsoc = (u32)bsoc >> 16; |
Anirudh Ghayal | 5f55665 | 2017-08-08 14:47:56 +0530 | [diff] [blame] | 1875 | rc = fg_get_msoc_raw(chip, &msoc_raw); |
Subbaraman Narayanamurthy | f9611e3 | 2016-09-26 11:12:47 -0700 | [diff] [blame] | 1876 | if (rc < 0) { |
Anirudh Ghayal | 5f55665 | 2017-08-08 14:47:56 +0530 | [diff] [blame] | 1877 | pr_err("Error in getting msoc_raw, rc=%d\n", rc); |
Subbaraman Narayanamurthy | 03f7d45 | 2017-01-06 15:47:24 -0800 | [diff] [blame] | 1878 | goto out; |
Subbaraman Narayanamurthy | f9611e3 | 2016-09-26 11:12:47 -0700 | [diff] [blame] | 1879 | } |
Anirudh Ghayal | 5f55665 | 2017-08-08 14:47:56 +0530 | [diff] [blame] | 1880 | msoc = DIV_ROUND_CLOSEST(msoc_raw * FULL_CAPACITY, FULL_SOC_RAW); |
Subbaraman Narayanamurthy | f9611e3 | 2016-09-26 11:12:47 -0700 | [diff] [blame] | 1881 | |
Subbaraman Narayanamurthy | deeaec72 | 2016-12-22 18:55:25 -0800 | [diff] [blame] | 1882 | fg_dbg(chip, FG_STATUS, "msoc: %d bsoc: %x health: %d status: %d full: %d\n", |
| 1883 | msoc, bsoc, chip->health, chip->charge_status, |
| 1884 | chip->charge_full); |
| 1885 | if (chip->charge_done && !chip->charge_full) { |
| 1886 | if (msoc >= 99 && chip->health == POWER_SUPPLY_HEALTH_GOOD) { |
| 1887 | fg_dbg(chip, FG_STATUS, "Setting charge_full to true\n"); |
Subbaraman Narayanamurthy | f9611e3 | 2016-09-26 11:12:47 -0700 | [diff] [blame] | 1888 | chip->charge_full = true; |
Subbaraman Narayanamurthy | deeaec72 | 2016-12-22 18:55:25 -0800 | [diff] [blame] | 1889 | /* |
| 1890 | * Lower the recharge voltage so that VBAT_LT_RECHG |
| 1891 | * signal will not be asserted soon. |
| 1892 | */ |
| 1893 | rc = fg_set_recharge_voltage(chip, |
| 1894 | AUTO_RECHG_VOLT_LOW_LIMIT_MV); |
| 1895 | if (rc < 0) { |
| 1896 | pr_err("Error in reducing recharge voltage, rc=%d\n", |
| 1897 | rc); |
Subbaraman Narayanamurthy | 03f7d45 | 2017-01-06 15:47:24 -0800 | [diff] [blame] | 1898 | goto out; |
Subbaraman Narayanamurthy | deeaec72 | 2016-12-22 18:55:25 -0800 | [diff] [blame] | 1899 | } |
| 1900 | } else { |
Subbaraman Narayanamurthy | f9611e3 | 2016-09-26 11:12:47 -0700 | [diff] [blame] | 1901 | fg_dbg(chip, FG_STATUS, "Terminated charging @ SOC%d\n", |
| 1902 | msoc); |
Subbaraman Narayanamurthy | deeaec72 | 2016-12-22 18:55:25 -0800 | [diff] [blame] | 1903 | } |
Subbaraman Narayanamurthy | 9e02411 | 2017-10-05 16:05:16 -0700 | [diff] [blame] | 1904 | } else if ((msoc_raw <= recharge_soc || !chip->charge_done) |
| 1905 | && chip->charge_full) { |
Subbaraman Narayanamurthy | 50fb7fd | 2017-07-25 20:01:25 -0700 | [diff] [blame] | 1906 | if (chip->dt.linearize_soc) { |
| 1907 | chip->delta_soc = FULL_CAPACITY - msoc; |
Subbaraman Narayanamurthy | 03f7d45 | 2017-01-06 15:47:24 -0800 | [diff] [blame] | 1908 | |
Subbaraman Narayanamurthy | 50fb7fd | 2017-07-25 20:01:25 -0700 | [diff] [blame] | 1909 | /* |
| 1910 | * We're spreading out the delta SOC over every 10% |
| 1911 | * change in monotonic SOC. We cannot spread more than |
| 1912 | * 9% in the range of 0-100 skipping the first 10%. |
| 1913 | */ |
| 1914 | if (chip->delta_soc > 9) { |
| 1915 | chip->delta_soc = 0; |
| 1916 | chip->maint_soc = 0; |
| 1917 | } else { |
| 1918 | chip->maint_soc = FULL_CAPACITY; |
| 1919 | chip->last_msoc = msoc; |
| 1920 | } |
Subbaraman Narayanamurthy | 03f7d45 | 2017-01-06 15:47:24 -0800 | [diff] [blame] | 1921 | } |
| 1922 | |
Subbaraman Narayanamurthy | deeaec72 | 2016-12-22 18:55:25 -0800 | [diff] [blame] | 1923 | /* |
| 1924 | * Raise the recharge voltage so that VBAT_LT_RECHG signal |
| 1925 | * will be asserted soon as battery SOC had dropped below |
| 1926 | * the recharge SOC threshold. |
| 1927 | */ |
| 1928 | rc = fg_set_recharge_voltage(chip, |
| 1929 | chip->dt.recharge_volt_thr_mv); |
| 1930 | if (rc < 0) { |
| 1931 | pr_err("Error in setting recharge voltage, rc=%d\n", |
| 1932 | rc); |
Subbaraman Narayanamurthy | 03f7d45 | 2017-01-06 15:47:24 -0800 | [diff] [blame] | 1933 | goto out; |
Subbaraman Narayanamurthy | deeaec72 | 2016-12-22 18:55:25 -0800 | [diff] [blame] | 1934 | } |
Subbaraman Narayanamurthy | 9b6c38a | 2017-07-26 16:46:41 -0700 | [diff] [blame] | 1935 | |
| 1936 | /* |
| 1937 | * If charge_done is still set, wait for recharging or |
| 1938 | * discharging to happen. |
| 1939 | */ |
| 1940 | if (chip->charge_done) |
| 1941 | goto out; |
| 1942 | |
| 1943 | rc = fg_configure_full_soc(chip, bsoc); |
| 1944 | if (rc < 0) |
| 1945 | goto out; |
| 1946 | |
| 1947 | chip->charge_full = false; |
Anirudh Ghayal | e2b26cc | 2017-07-12 10:12:24 +0530 | [diff] [blame] | 1948 | fg_dbg(chip, FG_STATUS, "msoc_raw = %d bsoc: %d recharge_soc: %d delta_soc: %d\n", |
| 1949 | msoc_raw, bsoc >> 8, recharge_soc, chip->delta_soc); |
Subbaraman Narayanamurthy | f9611e3 | 2016-09-26 11:12:47 -0700 | [diff] [blame] | 1950 | } |
| 1951 | |
Subbaraman Narayanamurthy | 03f7d45 | 2017-01-06 15:47:24 -0800 | [diff] [blame] | 1952 | out: |
| 1953 | mutex_unlock(&chip->charge_full_lock); |
| 1954 | return rc; |
Subbaraman Narayanamurthy | f9611e3 | 2016-09-26 11:12:47 -0700 | [diff] [blame] | 1955 | } |
| 1956 | |
Subbaraman Narayanamurthy | c297f6de | 2016-11-28 18:05:20 -0800 | [diff] [blame] | 1957 | #define RCONN_CONFIG_BIT BIT(0) |
| 1958 | static int fg_rconn_config(struct fg_chip *chip) |
| 1959 | { |
| 1960 | int rc, esr_uohms; |
| 1961 | u64 scaling_factor; |
| 1962 | u32 val = 0; |
| 1963 | |
Subbaraman Narayanamurthy | 8909f37 | 2017-03-14 19:50:57 -0700 | [diff] [blame] | 1964 | if (!chip->dt.rconn_mohms) |
| 1965 | return 0; |
| 1966 | |
Subbaraman Narayanamurthy | c297f6de | 2016-11-28 18:05:20 -0800 | [diff] [blame] | 1967 | rc = fg_sram_read(chip, PROFILE_INTEGRITY_WORD, |
| 1968 | SW_CONFIG_OFFSET, (u8 *)&val, 1, FG_IMA_DEFAULT); |
| 1969 | if (rc < 0) { |
| 1970 | pr_err("Error in reading SW_CONFIG_OFFSET, rc=%d\n", rc); |
| 1971 | return rc; |
| 1972 | } |
| 1973 | |
| 1974 | if (val & RCONN_CONFIG_BIT) { |
| 1975 | fg_dbg(chip, FG_STATUS, "Rconn already configured: %x\n", val); |
| 1976 | return 0; |
| 1977 | } |
| 1978 | |
Subbaraman Narayanamurthy | dcfc866 | 2017-02-24 16:04:46 -0800 | [diff] [blame] | 1979 | rc = fg_get_sram_prop(chip, FG_SRAM_ESR, &esr_uohms); |
Subbaraman Narayanamurthy | c297f6de | 2016-11-28 18:05:20 -0800 | [diff] [blame] | 1980 | if (rc < 0) { |
| 1981 | pr_err("failed to get ESR, rc=%d\n", rc); |
| 1982 | return rc; |
| 1983 | } |
| 1984 | |
| 1985 | scaling_factor = div64_u64((u64)esr_uohms * 1000, |
| 1986 | esr_uohms + (chip->dt.rconn_mohms * 1000)); |
| 1987 | |
| 1988 | rc = fg_sram_read(chip, ESR_RSLOW_CHG_WORD, |
| 1989 | ESR_RSLOW_CHG_OFFSET, (u8 *)&val, 1, FG_IMA_DEFAULT); |
| 1990 | if (rc < 0) { |
| 1991 | pr_err("Error in reading ESR_RSLOW_CHG_OFFSET, rc=%d\n", rc); |
| 1992 | return rc; |
| 1993 | } |
| 1994 | |
| 1995 | val *= scaling_factor; |
Subbaraman Narayanamurthy | 4e0bb67 | 2018-05-02 15:26:58 -0700 | [diff] [blame] | 1996 | val = div64_u64(val, 1000); |
Subbaraman Narayanamurthy | c297f6de | 2016-11-28 18:05:20 -0800 | [diff] [blame] | 1997 | rc = fg_sram_write(chip, ESR_RSLOW_CHG_WORD, |
| 1998 | ESR_RSLOW_CHG_OFFSET, (u8 *)&val, 1, FG_IMA_DEFAULT); |
| 1999 | if (rc < 0) { |
| 2000 | pr_err("Error in writing ESR_RSLOW_CHG_OFFSET, rc=%d\n", rc); |
| 2001 | return rc; |
| 2002 | } |
| 2003 | fg_dbg(chip, FG_STATUS, "esr_rslow_chg modified to %x\n", val & 0xFF); |
| 2004 | |
| 2005 | rc = fg_sram_read(chip, ESR_RSLOW_DISCHG_WORD, |
| 2006 | ESR_RSLOW_DISCHG_OFFSET, (u8 *)&val, 1, FG_IMA_DEFAULT); |
| 2007 | if (rc < 0) { |
| 2008 | pr_err("Error in reading ESR_RSLOW_DISCHG_OFFSET, rc=%d\n", rc); |
| 2009 | return rc; |
| 2010 | } |
| 2011 | |
| 2012 | val *= scaling_factor; |
Subbaraman Narayanamurthy | 4e0bb67 | 2018-05-02 15:26:58 -0700 | [diff] [blame] | 2013 | val = div64_u64(val, 1000); |
Subbaraman Narayanamurthy | c297f6de | 2016-11-28 18:05:20 -0800 | [diff] [blame] | 2014 | rc = fg_sram_write(chip, ESR_RSLOW_DISCHG_WORD, |
| 2015 | ESR_RSLOW_DISCHG_OFFSET, (u8 *)&val, 1, FG_IMA_DEFAULT); |
| 2016 | if (rc < 0) { |
| 2017 | pr_err("Error in writing ESR_RSLOW_DISCHG_OFFSET, rc=%d\n", rc); |
| 2018 | return rc; |
| 2019 | } |
| 2020 | fg_dbg(chip, FG_STATUS, "esr_rslow_dischg modified to %x\n", |
| 2021 | val & 0xFF); |
| 2022 | |
| 2023 | val = RCONN_CONFIG_BIT; |
| 2024 | rc = fg_sram_write(chip, PROFILE_INTEGRITY_WORD, |
| 2025 | SW_CONFIG_OFFSET, (u8 *)&val, 1, FG_IMA_DEFAULT); |
| 2026 | if (rc < 0) { |
| 2027 | pr_err("Error in writing SW_CONFIG_OFFSET, rc=%d\n", rc); |
| 2028 | return rc; |
| 2029 | } |
| 2030 | |
| 2031 | return 0; |
| 2032 | } |
| 2033 | |
Subbaraman Narayanamurthy | edff890 | 2017-08-11 19:24:24 -0700 | [diff] [blame] | 2034 | static int fg_set_jeita_threshold(struct fg_chip *chip, |
| 2035 | enum jeita_levels level, int temp_decidegC) |
| 2036 | { |
| 2037 | int rc; |
| 2038 | u8 val; |
| 2039 | u16 reg; |
| 2040 | |
| 2041 | if (temp_decidegC < -300 || temp_decidegC > 970) |
| 2042 | return -EINVAL; |
| 2043 | |
| 2044 | /* Resolution is 0.5C. Base is -30C. */ |
| 2045 | val = DIV_ROUND_CLOSEST(((temp_decidegC / 10) + 30) * 10, 5); |
| 2046 | switch (level) { |
| 2047 | case JEITA_COLD: |
| 2048 | reg = BATT_INFO_JEITA_TOO_COLD(chip); |
| 2049 | break; |
| 2050 | case JEITA_COOL: |
| 2051 | reg = BATT_INFO_JEITA_COLD(chip); |
| 2052 | break; |
| 2053 | case JEITA_WARM: |
| 2054 | reg = BATT_INFO_JEITA_HOT(chip); |
| 2055 | break; |
| 2056 | case JEITA_HOT: |
| 2057 | reg = BATT_INFO_JEITA_TOO_HOT(chip); |
| 2058 | break; |
| 2059 | default: |
| 2060 | return -EINVAL; |
| 2061 | } |
| 2062 | |
| 2063 | rc = fg_write(chip, reg, &val, 1); |
| 2064 | if (rc < 0) { |
| 2065 | pr_err("Error in setting jeita level %d, rc=%d\n", level, rc); |
| 2066 | return rc; |
| 2067 | } |
| 2068 | |
| 2069 | return 0; |
| 2070 | } |
| 2071 | |
Subbaraman Narayanamurthy | ef82581 | 2017-02-01 18:46:30 -0800 | [diff] [blame] | 2072 | static int fg_set_constant_chg_voltage(struct fg_chip *chip, int volt_uv) |
| 2073 | { |
| 2074 | u8 buf[2]; |
| 2075 | int rc; |
| 2076 | |
| 2077 | if (volt_uv <= 0 || volt_uv > 15590000) { |
| 2078 | pr_err("Invalid voltage %d\n", volt_uv); |
| 2079 | return -EINVAL; |
| 2080 | } |
| 2081 | |
| 2082 | fg_encode(chip->sp, FG_SRAM_VBATT_FULL, volt_uv, buf); |
| 2083 | |
| 2084 | rc = fg_sram_write(chip, chip->sp[FG_SRAM_VBATT_FULL].addr_word, |
| 2085 | chip->sp[FG_SRAM_VBATT_FULL].addr_byte, buf, |
| 2086 | chip->sp[FG_SRAM_VBATT_FULL].len, FG_IMA_DEFAULT); |
| 2087 | if (rc < 0) { |
| 2088 | pr_err("Error in writing vbatt_full, rc=%d\n", rc); |
| 2089 | return rc; |
| 2090 | } |
| 2091 | |
| 2092 | return 0; |
| 2093 | } |
| 2094 | |
Subbaraman Narayanamurthy | f9611e3 | 2016-09-26 11:12:47 -0700 | [diff] [blame] | 2095 | static int fg_set_recharge_soc(struct fg_chip *chip, int recharge_soc) |
| 2096 | { |
Subbaraman Narayanamurthy | deeaec72 | 2016-12-22 18:55:25 -0800 | [diff] [blame] | 2097 | u8 buf; |
Subbaraman Narayanamurthy | f9611e3 | 2016-09-26 11:12:47 -0700 | [diff] [blame] | 2098 | int rc; |
| 2099 | |
Subbaraman Narayanamurthy | deeaec72 | 2016-12-22 18:55:25 -0800 | [diff] [blame] | 2100 | if (!chip->dt.auto_recharge_soc) |
| 2101 | return 0; |
| 2102 | |
Subbaraman Narayanamurthy | ebe7e2b | 2017-03-13 12:50:12 -0700 | [diff] [blame] | 2103 | if (recharge_soc < 0 || recharge_soc > FULL_CAPACITY) |
| 2104 | return 0; |
| 2105 | |
Subbaraman Narayanamurthy | deeaec72 | 2016-12-22 18:55:25 -0800 | [diff] [blame] | 2106 | fg_encode(chip->sp, FG_SRAM_RECHARGE_SOC_THR, recharge_soc, &buf); |
Subbaraman Narayanamurthy | f9611e3 | 2016-09-26 11:12:47 -0700 | [diff] [blame] | 2107 | rc = fg_sram_write(chip, |
| 2108 | chip->sp[FG_SRAM_RECHARGE_SOC_THR].addr_word, |
Subbaraman Narayanamurthy | deeaec72 | 2016-12-22 18:55:25 -0800 | [diff] [blame] | 2109 | chip->sp[FG_SRAM_RECHARGE_SOC_THR].addr_byte, &buf, |
Subbaraman Narayanamurthy | f9611e3 | 2016-09-26 11:12:47 -0700 | [diff] [blame] | 2110 | chip->sp[FG_SRAM_RECHARGE_SOC_THR].len, FG_IMA_DEFAULT); |
| 2111 | if (rc < 0) { |
| 2112 | pr_err("Error in writing recharge_soc_thr, rc=%d\n", rc); |
| 2113 | return rc; |
| 2114 | } |
| 2115 | |
| 2116 | return 0; |
| 2117 | } |
| 2118 | |
| 2119 | static int fg_adjust_recharge_soc(struct fg_chip *chip) |
| 2120 | { |
Subbaraman Narayanamurthy | d92b246 | 2018-04-27 14:30:37 -0700 | [diff] [blame] | 2121 | union power_supply_propval prop = {0, }; |
Subbaraman Narayanamurthy | f9611e3 | 2016-09-26 11:12:47 -0700 | [diff] [blame] | 2122 | int rc, msoc, recharge_soc, new_recharge_soc = 0; |
Subbaraman Narayanamurthy | ebe7e2b | 2017-03-13 12:50:12 -0700 | [diff] [blame] | 2123 | bool recharge_soc_status; |
Subbaraman Narayanamurthy | f9611e3 | 2016-09-26 11:12:47 -0700 | [diff] [blame] | 2124 | |
Subbaraman Narayanamurthy | deeaec72 | 2016-12-22 18:55:25 -0800 | [diff] [blame] | 2125 | if (!chip->dt.auto_recharge_soc) |
| 2126 | return 0; |
| 2127 | |
Subbaraman Narayanamurthy | d92b246 | 2018-04-27 14:30:37 -0700 | [diff] [blame] | 2128 | rc = power_supply_get_property(chip->batt_psy, POWER_SUPPLY_PROP_HEALTH, |
| 2129 | &prop); |
| 2130 | if (rc < 0) { |
| 2131 | pr_err("Error in getting battery health, rc=%d\n", rc); |
| 2132 | return rc; |
| 2133 | } |
| 2134 | chip->health = prop.intval; |
| 2135 | |
Subbaraman Narayanamurthy | f9611e3 | 2016-09-26 11:12:47 -0700 | [diff] [blame] | 2136 | recharge_soc = chip->dt.recharge_soc_thr; |
Subbaraman Narayanamurthy | ebe7e2b | 2017-03-13 12:50:12 -0700 | [diff] [blame] | 2137 | recharge_soc_status = chip->recharge_soc_adjusted; |
Subbaraman Narayanamurthy | f9611e3 | 2016-09-26 11:12:47 -0700 | [diff] [blame] | 2138 | /* |
| 2139 | * If the input is present and charging had been terminated, adjust |
| 2140 | * the recharge SOC threshold based on the monotonic SOC at which |
| 2141 | * the charge termination had happened. |
| 2142 | */ |
Subbaraman Narayanamurthy | ebe7e2b | 2017-03-13 12:50:12 -0700 | [diff] [blame] | 2143 | if (is_input_present(chip)) { |
| 2144 | if (chip->charge_done) { |
| 2145 | if (!chip->recharge_soc_adjusted) { |
| 2146 | /* Get raw monotonic SOC for calculation */ |
| 2147 | rc = fg_get_msoc(chip, &msoc); |
| 2148 | if (rc < 0) { |
| 2149 | pr_err("Error in getting msoc, rc=%d\n", |
| 2150 | rc); |
| 2151 | return rc; |
| 2152 | } |
Subbaraman Narayanamurthy | f9611e3 | 2016-09-26 11:12:47 -0700 | [diff] [blame] | 2153 | |
Subbaraman Narayanamurthy | ebe7e2b | 2017-03-13 12:50:12 -0700 | [diff] [blame] | 2154 | /* Adjust the recharge_soc threshold */ |
| 2155 | new_recharge_soc = msoc - (FULL_CAPACITY - |
| 2156 | recharge_soc); |
| 2157 | chip->recharge_soc_adjusted = true; |
| 2158 | } else { |
| 2159 | /* adjusted already, do nothing */ |
Subbaraman Narayanamurthy | e942707 | 2018-08-22 12:35:10 -0700 | [diff] [blame] | 2160 | if (chip->health != POWER_SUPPLY_HEALTH_GOOD) |
| 2161 | return 0; |
| 2162 | |
| 2163 | /* |
| 2164 | * Device is out of JEITA so restore the |
| 2165 | * default value |
| 2166 | */ |
| 2167 | new_recharge_soc = recharge_soc; |
| 2168 | chip->recharge_soc_adjusted = false; |
Subbaraman Narayanamurthy | ebe7e2b | 2017-03-13 12:50:12 -0700 | [diff] [blame] | 2169 | } |
| 2170 | } else { |
Subbaraman Narayanamurthy | 5080b56 | 2017-12-21 17:39:07 -0800 | [diff] [blame] | 2171 | if (!chip->recharge_soc_adjusted) |
| 2172 | return 0; |
| 2173 | |
Subbaraman Narayanamurthy | d92b246 | 2018-04-27 14:30:37 -0700 | [diff] [blame] | 2174 | if (chip->health != POWER_SUPPLY_HEALTH_GOOD) |
| 2175 | return 0; |
| 2176 | |
Subbaraman Narayanamurthy | 5080b56 | 2017-12-21 17:39:07 -0800 | [diff] [blame] | 2177 | /* Restore the default value */ |
| 2178 | new_recharge_soc = recharge_soc; |
| 2179 | chip->recharge_soc_adjusted = false; |
Subbaraman Narayanamurthy | ebe7e2b | 2017-03-13 12:50:12 -0700 | [diff] [blame] | 2180 | } |
| 2181 | } else { |
Subbaraman Narayanamurthy | f9611e3 | 2016-09-26 11:12:47 -0700 | [diff] [blame] | 2182 | /* Restore the default value */ |
| 2183 | new_recharge_soc = recharge_soc; |
Subbaraman Narayanamurthy | ebe7e2b | 2017-03-13 12:50:12 -0700 | [diff] [blame] | 2184 | chip->recharge_soc_adjusted = false; |
Subbaraman Narayanamurthy | f9611e3 | 2016-09-26 11:12:47 -0700 | [diff] [blame] | 2185 | } |
| 2186 | |
Subbaraman Narayanamurthy | ebe7e2b | 2017-03-13 12:50:12 -0700 | [diff] [blame] | 2187 | rc = fg_set_recharge_soc(chip, new_recharge_soc); |
| 2188 | if (rc < 0) { |
| 2189 | chip->recharge_soc_adjusted = recharge_soc_status; |
| 2190 | pr_err("Couldn't set resume SOC for FG, rc=%d\n", rc); |
| 2191 | return rc; |
Subbaraman Narayanamurthy | f9611e3 | 2016-09-26 11:12:47 -0700 | [diff] [blame] | 2192 | } |
| 2193 | |
Subbaraman Narayanamurthy | ebe7e2b | 2017-03-13 12:50:12 -0700 | [diff] [blame] | 2194 | fg_dbg(chip, FG_STATUS, "resume soc set to %d\n", new_recharge_soc); |
Subbaraman Narayanamurthy | f9611e3 | 2016-09-26 11:12:47 -0700 | [diff] [blame] | 2195 | return 0; |
| 2196 | } |
| 2197 | |
Subbaraman Narayanamurthy | fdca8c2 | 2017-08-04 12:25:49 -0700 | [diff] [blame] | 2198 | static int fg_adjust_recharge_voltage(struct fg_chip *chip) |
| 2199 | { |
| 2200 | int rc, recharge_volt_mv; |
| 2201 | |
| 2202 | if (chip->dt.auto_recharge_soc) |
| 2203 | return 0; |
| 2204 | |
| 2205 | fg_dbg(chip, FG_STATUS, "health: %d chg_status: %d chg_done: %d\n", |
| 2206 | chip->health, chip->charge_status, chip->charge_done); |
| 2207 | |
| 2208 | recharge_volt_mv = chip->dt.recharge_volt_thr_mv; |
| 2209 | |
| 2210 | /* Lower the recharge voltage in soft JEITA */ |
| 2211 | if (chip->health == POWER_SUPPLY_HEALTH_WARM || |
| 2212 | chip->health == POWER_SUPPLY_HEALTH_COOL) |
| 2213 | recharge_volt_mv -= 200; |
| 2214 | |
| 2215 | rc = fg_set_recharge_voltage(chip, recharge_volt_mv); |
| 2216 | if (rc < 0) { |
| 2217 | pr_err("Error in setting recharge_voltage, rc=%d\n", |
| 2218 | rc); |
| 2219 | return rc; |
| 2220 | } |
| 2221 | |
| 2222 | return 0; |
| 2223 | } |
| 2224 | |
Subbaraman Narayanamurthy | 94e6305 | 2017-02-09 18:06:14 -0800 | [diff] [blame] | 2225 | static int fg_slope_limit_config(struct fg_chip *chip, int batt_temp) |
| 2226 | { |
| 2227 | enum slope_limit_status status; |
| 2228 | int rc; |
| 2229 | u8 buf; |
| 2230 | |
| 2231 | if (!chip->slope_limit_en) |
| 2232 | return 0; |
| 2233 | |
| 2234 | if (chip->charge_status == POWER_SUPPLY_STATUS_CHARGING || |
| 2235 | chip->charge_status == POWER_SUPPLY_STATUS_FULL) { |
| 2236 | if (batt_temp < chip->dt.slope_limit_temp) |
| 2237 | status = LOW_TEMP_CHARGE; |
| 2238 | else |
| 2239 | status = HIGH_TEMP_CHARGE; |
| 2240 | } else { |
| 2241 | if (batt_temp < chip->dt.slope_limit_temp) |
| 2242 | status = LOW_TEMP_DISCHARGE; |
| 2243 | else |
| 2244 | status = HIGH_TEMP_DISCHARGE; |
| 2245 | } |
| 2246 | |
| 2247 | if (chip->slope_limit_sts == status) |
| 2248 | return 0; |
| 2249 | |
| 2250 | fg_encode(chip->sp, FG_SRAM_SLOPE_LIMIT, |
| 2251 | chip->dt.slope_limit_coeffs[status], &buf); |
| 2252 | rc = fg_sram_write(chip, chip->sp[FG_SRAM_SLOPE_LIMIT].addr_word, |
| 2253 | chip->sp[FG_SRAM_SLOPE_LIMIT].addr_byte, &buf, |
| 2254 | chip->sp[FG_SRAM_SLOPE_LIMIT].len, FG_IMA_DEFAULT); |
| 2255 | if (rc < 0) { |
| 2256 | pr_err("Error in configuring slope_limit coefficient, rc=%d\n", |
| 2257 | rc); |
| 2258 | return rc; |
| 2259 | } |
| 2260 | |
| 2261 | chip->slope_limit_sts = status; |
| 2262 | fg_dbg(chip, FG_STATUS, "Slope limit status: %d value: %x\n", status, |
| 2263 | buf); |
| 2264 | return 0; |
| 2265 | } |
| 2266 | |
Subbaraman Narayanamurthy | 11c772d | 2017-12-01 10:54:40 -0800 | [diff] [blame] | 2267 | static int __fg_esr_filter_config(struct fg_chip *chip, |
| 2268 | enum esr_filter_status esr_flt_sts) |
Subbaraman Narayanamurthy | b99ea4c | 2016-12-22 15:10:09 -0800 | [diff] [blame] | 2269 | { |
Subbaraman Narayanamurthy | 11c772d | 2017-12-01 10:54:40 -0800 | [diff] [blame] | 2270 | u8 esr_tight_flt, esr_broad_flt; |
| 2271 | int esr_tight_flt_upct, esr_broad_flt_upct; |
| 2272 | int rc; |
| 2273 | |
| 2274 | if (esr_flt_sts == chip->esr_flt_sts) |
| 2275 | return 0; |
| 2276 | |
| 2277 | if (esr_flt_sts == ROOM_TEMP) { |
| 2278 | esr_tight_flt_upct = chip->dt.esr_tight_flt_upct; |
| 2279 | esr_broad_flt_upct = chip->dt.esr_broad_flt_upct; |
| 2280 | } else if (esr_flt_sts == LOW_TEMP) { |
| 2281 | esr_tight_flt_upct = chip->dt.esr_tight_lt_flt_upct; |
| 2282 | esr_broad_flt_upct = chip->dt.esr_broad_lt_flt_upct; |
| 2283 | } else if (esr_flt_sts == RELAX_TEMP) { |
| 2284 | esr_tight_flt_upct = chip->dt.esr_tight_rt_flt_upct; |
| 2285 | esr_broad_flt_upct = chip->dt.esr_broad_rt_flt_upct; |
| 2286 | } else { |
| 2287 | pr_err("Unknown esr filter config\n"); |
| 2288 | return 0; |
| 2289 | } |
| 2290 | |
| 2291 | fg_encode(chip->sp, FG_SRAM_ESR_TIGHT_FILTER, esr_tight_flt_upct, |
| 2292 | &esr_tight_flt); |
| 2293 | rc = fg_sram_write(chip, chip->sp[FG_SRAM_ESR_TIGHT_FILTER].addr_word, |
| 2294 | chip->sp[FG_SRAM_ESR_TIGHT_FILTER].addr_byte, |
| 2295 | &esr_tight_flt, |
| 2296 | chip->sp[FG_SRAM_ESR_TIGHT_FILTER].len, FG_IMA_DEFAULT); |
| 2297 | if (rc < 0) { |
| 2298 | pr_err("Error in writing ESR LT tight filter, rc=%d\n", rc); |
| 2299 | return rc; |
| 2300 | } |
| 2301 | |
| 2302 | fg_encode(chip->sp, FG_SRAM_ESR_BROAD_FILTER, esr_broad_flt_upct, |
| 2303 | &esr_broad_flt); |
| 2304 | rc = fg_sram_write(chip, chip->sp[FG_SRAM_ESR_BROAD_FILTER].addr_word, |
| 2305 | chip->sp[FG_SRAM_ESR_BROAD_FILTER].addr_byte, |
| 2306 | &esr_broad_flt, |
| 2307 | chip->sp[FG_SRAM_ESR_BROAD_FILTER].len, FG_IMA_DEFAULT); |
| 2308 | if (rc < 0) { |
| 2309 | pr_err("Error in writing ESR LT broad filter, rc=%d\n", rc); |
| 2310 | return rc; |
| 2311 | } |
| 2312 | |
| 2313 | chip->esr_flt_sts = esr_flt_sts; |
| 2314 | fg_dbg(chip, FG_STATUS, "applied ESR filter %d values\n", esr_flt_sts); |
| 2315 | return 0; |
| 2316 | } |
| 2317 | |
| 2318 | #define DT_IRQ_COUNT 3 |
| 2319 | #define DELTA_TEMP_IRQ_TIME_MS 300000 |
| 2320 | #define ESR_FILTER_ALARM_TIME_MS 900000 |
| 2321 | static int fg_esr_filter_config(struct fg_chip *chip, int batt_temp, |
| 2322 | bool override) |
| 2323 | { |
| 2324 | enum esr_filter_status esr_flt_sts = ROOM_TEMP; |
| 2325 | bool qnovo_en, input_present, count_temp_irq = false; |
| 2326 | s64 time_ms; |
Subbaraman Narayanamurthy | b99ea4c | 2016-12-22 15:10:09 -0800 | [diff] [blame] | 2327 | int rc; |
| 2328 | |
| 2329 | /* |
| 2330 | * If the battery temperature is lower than -20 C, then skip modifying |
| 2331 | * ESR filter. |
| 2332 | */ |
| 2333 | if (batt_temp < -210) |
| 2334 | return 0; |
| 2335 | |
Subbaraman Narayanamurthy | 11c772d | 2017-12-01 10:54:40 -0800 | [diff] [blame] | 2336 | qnovo_en = is_qnovo_en(chip); |
| 2337 | input_present = is_input_present(chip); |
| 2338 | |
| 2339 | /* |
| 2340 | * If Qnovo is enabled, after hitting a lower battery temperature of |
| 2341 | * say 6 C, count the delta battery temperature interrupts for a |
| 2342 | * certain period of time when the battery temperature increases. |
| 2343 | * Switch to relaxed filter coefficients once the temperature increase |
| 2344 | * is qualified so that ESR accuracy can be improved. |
| 2345 | */ |
| 2346 | if (qnovo_en && !override) { |
| 2347 | if (input_present) { |
| 2348 | if (chip->esr_flt_sts == RELAX_TEMP) { |
| 2349 | /* do nothing */ |
| 2350 | return 0; |
| 2351 | } |
| 2352 | |
| 2353 | count_temp_irq = true; |
| 2354 | if (chip->delta_temp_irq_count) { |
| 2355 | /* Don't count when temperature is dropping. */ |
| 2356 | if (batt_temp <= chip->last_batt_temp) |
| 2357 | count_temp_irq = false; |
| 2358 | } else { |
| 2359 | /* |
| 2360 | * Starting point for counting. Check if the |
| 2361 | * temperature is qualified. |
| 2362 | */ |
| 2363 | if (batt_temp > chip->dt.esr_flt_rt_switch_temp) |
| 2364 | count_temp_irq = false; |
| 2365 | else |
| 2366 | chip->last_delta_temp_time = |
| 2367 | ktime_get(); |
| 2368 | } |
| 2369 | } else { |
| 2370 | chip->delta_temp_irq_count = 0; |
| 2371 | rc = alarm_try_to_cancel(&chip->esr_filter_alarm); |
| 2372 | if (rc < 0) |
| 2373 | pr_err("Couldn't cancel esr_filter_alarm\n"); |
| 2374 | } |
| 2375 | } |
| 2376 | |
Subbaraman Narayanamurthy | b99ea4c | 2016-12-22 15:10:09 -0800 | [diff] [blame] | 2377 | /* |
| 2378 | * If battery temperature is lesser than 10 C (default), then apply the |
Subbaraman Narayanamurthy | 5000eb6 | 2017-02-08 20:39:16 -0800 | [diff] [blame] | 2379 | * ESR low temperature tight and broad filter values to ESR room |
| 2380 | * temperature tight and broad filters. If battery temperature is higher |
| 2381 | * than 10 C, then apply back the room temperature ESR filter |
| 2382 | * coefficients to ESR room temperature tight and broad filters. |
Subbaraman Narayanamurthy | b99ea4c | 2016-12-22 15:10:09 -0800 | [diff] [blame] | 2383 | */ |
Subbaraman Narayanamurthy | 11c772d | 2017-12-01 10:54:40 -0800 | [diff] [blame] | 2384 | if (batt_temp > chip->dt.esr_flt_switch_temp) |
| 2385 | esr_flt_sts = ROOM_TEMP; |
| 2386 | else |
| 2387 | esr_flt_sts = LOW_TEMP; |
| 2388 | |
| 2389 | if (count_temp_irq) { |
| 2390 | time_ms = ktime_ms_delta(ktime_get(), |
| 2391 | chip->last_delta_temp_time); |
| 2392 | chip->delta_temp_irq_count++; |
| 2393 | fg_dbg(chip, FG_STATUS, "dt_irq_count: %d\n", |
| 2394 | chip->delta_temp_irq_count); |
| 2395 | |
| 2396 | if (chip->delta_temp_irq_count >= DT_IRQ_COUNT |
| 2397 | && time_ms <= DELTA_TEMP_IRQ_TIME_MS) { |
| 2398 | fg_dbg(chip, FG_STATUS, "%d interrupts in %lld ms\n", |
| 2399 | chip->delta_temp_irq_count, time_ms); |
| 2400 | esr_flt_sts = RELAX_TEMP; |
| 2401 | } |
Subbaraman Narayanamurthy | b99ea4c | 2016-12-22 15:10:09 -0800 | [diff] [blame] | 2402 | } |
| 2403 | |
Subbaraman Narayanamurthy | 11c772d | 2017-12-01 10:54:40 -0800 | [diff] [blame] | 2404 | rc = __fg_esr_filter_config(chip, esr_flt_sts); |
| 2405 | if (rc < 0) |
Subbaraman Narayanamurthy | b99ea4c | 2016-12-22 15:10:09 -0800 | [diff] [blame] | 2406 | return rc; |
Subbaraman Narayanamurthy | b99ea4c | 2016-12-22 15:10:09 -0800 | [diff] [blame] | 2407 | |
Subbaraman Narayanamurthy | 11c772d | 2017-12-01 10:54:40 -0800 | [diff] [blame] | 2408 | if (esr_flt_sts == RELAX_TEMP) |
| 2409 | alarm_start_relative(&chip->esr_filter_alarm, |
| 2410 | ms_to_ktime(ESR_FILTER_ALARM_TIME_MS)); |
Subbaraman Narayanamurthy | b99ea4c | 2016-12-22 15:10:09 -0800 | [diff] [blame] | 2411 | |
Subbaraman Narayanamurthy | b99ea4c | 2016-12-22 15:10:09 -0800 | [diff] [blame] | 2412 | return 0; |
| 2413 | } |
| 2414 | |
Subbaraman Narayanamurthy | 11c772d | 2017-12-01 10:54:40 -0800 | [diff] [blame] | 2415 | #define FG_ESR_FILTER_RESTART_MS 60000 |
| 2416 | static void esr_filter_work(struct work_struct *work) |
| 2417 | { |
| 2418 | struct fg_chip *chip = container_of(work, |
| 2419 | struct fg_chip, esr_filter_work); |
| 2420 | int rc, batt_temp; |
| 2421 | |
| 2422 | rc = fg_get_battery_temp(chip, &batt_temp); |
| 2423 | if (rc < 0) { |
| 2424 | pr_err("Error in getting batt_temp\n"); |
| 2425 | alarm_start_relative(&chip->esr_filter_alarm, |
| 2426 | ms_to_ktime(FG_ESR_FILTER_RESTART_MS)); |
| 2427 | goto out; |
| 2428 | } |
| 2429 | |
| 2430 | rc = fg_esr_filter_config(chip, batt_temp, true); |
| 2431 | if (rc < 0) { |
| 2432 | pr_err("Error in configuring ESR filter rc:%d\n", rc); |
| 2433 | alarm_start_relative(&chip->esr_filter_alarm, |
| 2434 | ms_to_ktime(FG_ESR_FILTER_RESTART_MS)); |
| 2435 | } |
| 2436 | |
| 2437 | out: |
| 2438 | chip->delta_temp_irq_count = 0; |
| 2439 | pm_relax(chip->dev); |
| 2440 | } |
| 2441 | |
| 2442 | static enum alarmtimer_restart fg_esr_filter_alarm_cb(struct alarm *alarm, |
| 2443 | ktime_t now) |
| 2444 | { |
| 2445 | struct fg_chip *chip = container_of(alarm, struct fg_chip, |
| 2446 | esr_filter_alarm); |
| 2447 | |
| 2448 | fg_dbg(chip, FG_STATUS, "ESR filter alarm triggered %lld\n", |
| 2449 | ktime_to_ms(now)); |
| 2450 | /* |
| 2451 | * We cannot vote for awake votable here as that takes a mutex lock |
| 2452 | * and this is executed in an atomic context. |
| 2453 | */ |
| 2454 | pm_stay_awake(chip->dev); |
| 2455 | schedule_work(&chip->esr_filter_work); |
| 2456 | |
| 2457 | return ALARMTIMER_NORESTART; |
| 2458 | } |
| 2459 | |
Subbaraman Narayanamurthy | a9aacae | 2016-11-01 19:31:44 -0700 | [diff] [blame] | 2460 | static int fg_esr_fcc_config(struct fg_chip *chip) |
| 2461 | { |
| 2462 | union power_supply_propval prop = {0, }; |
| 2463 | int rc; |
Abhijeet Dharmapurikar | 86a5e17 | 2017-07-05 13:58:04 -0700 | [diff] [blame] | 2464 | bool parallel_en = false, qnovo_en; |
Subbaraman Narayanamurthy | a9aacae | 2016-11-01 19:31:44 -0700 | [diff] [blame] | 2465 | |
| 2466 | if (is_parallel_charger_available(chip)) { |
| 2467 | rc = power_supply_get_property(chip->parallel_psy, |
| 2468 | POWER_SUPPLY_PROP_CHARGING_ENABLED, &prop); |
| 2469 | if (rc < 0) { |
| 2470 | pr_err("Error in reading charging_enabled from parallel_psy, rc=%d\n", |
| 2471 | rc); |
| 2472 | return rc; |
| 2473 | } |
| 2474 | parallel_en = prop.intval; |
| 2475 | } |
| 2476 | |
Abhijeet Dharmapurikar | 86a5e17 | 2017-07-05 13:58:04 -0700 | [diff] [blame] | 2477 | qnovo_en = is_qnovo_en(chip); |
Subbaraman Narayanamurthy | f635723 | 2017-04-19 14:55:35 -0700 | [diff] [blame] | 2478 | |
| 2479 | fg_dbg(chip, FG_POWER_SUPPLY, "chg_sts: %d par_en: %d qnov_en: %d esr_fcc_ctrl_en: %d\n", |
| 2480 | chip->charge_status, parallel_en, qnovo_en, |
| 2481 | chip->esr_fcc_ctrl_en); |
Subbaraman Narayanamurthy | a9aacae | 2016-11-01 19:31:44 -0700 | [diff] [blame] | 2482 | |
Nicholas Troast | 1769fd3 | 2016-09-07 09:20:58 -0700 | [diff] [blame] | 2483 | if (chip->charge_status == POWER_SUPPLY_STATUS_CHARGING && |
Subbaraman Narayanamurthy | f635723 | 2017-04-19 14:55:35 -0700 | [diff] [blame] | 2484 | (parallel_en || qnovo_en)) { |
Subbaraman Narayanamurthy | a9aacae | 2016-11-01 19:31:44 -0700 | [diff] [blame] | 2485 | if (chip->esr_fcc_ctrl_en) |
| 2486 | return 0; |
| 2487 | |
| 2488 | /* |
Subbaraman Narayanamurthy | f635723 | 2017-04-19 14:55:35 -0700 | [diff] [blame] | 2489 | * When parallel charging or Qnovo is enabled, configure ESR |
| 2490 | * FCC to 300mA to trigger an ESR pulse. Without this, FG can |
| 2491 | * request the main charger to increase FCC when it is supposed |
| 2492 | * to decrease it. |
Subbaraman Narayanamurthy | a9aacae | 2016-11-01 19:31:44 -0700 | [diff] [blame] | 2493 | */ |
| 2494 | rc = fg_masked_write(chip, BATT_INFO_ESR_FAST_CRG_CFG(chip), |
| 2495 | ESR_FAST_CRG_IVAL_MASK | |
| 2496 | ESR_FAST_CRG_CTL_EN_BIT, |
| 2497 | ESR_FCC_300MA | ESR_FAST_CRG_CTL_EN_BIT); |
| 2498 | if (rc < 0) { |
| 2499 | pr_err("Error in writing to %04x, rc=%d\n", |
| 2500 | BATT_INFO_ESR_FAST_CRG_CFG(chip), rc); |
| 2501 | return rc; |
| 2502 | } |
| 2503 | |
| 2504 | chip->esr_fcc_ctrl_en = true; |
| 2505 | } else { |
| 2506 | if (!chip->esr_fcc_ctrl_en) |
| 2507 | return 0; |
| 2508 | |
| 2509 | /* |
| 2510 | * If we're here, then it means either the device is not in |
Subbaraman Narayanamurthy | f635723 | 2017-04-19 14:55:35 -0700 | [diff] [blame] | 2511 | * charging state or parallel charging / Qnovo is disabled. |
| 2512 | * Disable ESR fast charge current control in SW. |
Subbaraman Narayanamurthy | a9aacae | 2016-11-01 19:31:44 -0700 | [diff] [blame] | 2513 | */ |
| 2514 | rc = fg_masked_write(chip, BATT_INFO_ESR_FAST_CRG_CFG(chip), |
| 2515 | ESR_FAST_CRG_CTL_EN_BIT, 0); |
| 2516 | if (rc < 0) { |
| 2517 | pr_err("Error in writing to %04x, rc=%d\n", |
| 2518 | BATT_INFO_ESR_FAST_CRG_CFG(chip), rc); |
| 2519 | return rc; |
| 2520 | } |
| 2521 | |
| 2522 | chip->esr_fcc_ctrl_en = false; |
| 2523 | } |
| 2524 | |
| 2525 | fg_dbg(chip, FG_STATUS, "esr_fcc_ctrl_en set to %d\n", |
| 2526 | chip->esr_fcc_ctrl_en); |
| 2527 | return 0; |
| 2528 | } |
| 2529 | |
Subbaraman Narayanamurthy | 784bd5b | 2017-05-17 17:43:22 -0700 | [diff] [blame] | 2530 | static int fg_esr_timer_config(struct fg_chip *chip, bool sleep) |
| 2531 | { |
| 2532 | int rc, cycles_init, cycles_max; |
| 2533 | bool end_of_charge = false; |
| 2534 | |
| 2535 | end_of_charge = is_input_present(chip) && chip->charge_done; |
| 2536 | fg_dbg(chip, FG_STATUS, "sleep: %d eoc: %d\n", sleep, end_of_charge); |
| 2537 | |
| 2538 | /* ESR discharging timer configuration */ |
| 2539 | cycles_init = sleep ? chip->dt.esr_timer_asleep[TIMER_RETRY] : |
| 2540 | chip->dt.esr_timer_awake[TIMER_RETRY]; |
| 2541 | if (end_of_charge) |
| 2542 | cycles_init = 0; |
| 2543 | |
| 2544 | cycles_max = sleep ? chip->dt.esr_timer_asleep[TIMER_MAX] : |
| 2545 | chip->dt.esr_timer_awake[TIMER_MAX]; |
| 2546 | |
| 2547 | rc = fg_set_esr_timer(chip, cycles_init, cycles_max, false, |
| 2548 | sleep ? FG_IMA_NO_WLOCK : FG_IMA_DEFAULT); |
| 2549 | if (rc < 0) { |
| 2550 | pr_err("Error in setting ESR timer, rc=%d\n", rc); |
| 2551 | return rc; |
| 2552 | } |
| 2553 | |
| 2554 | /* ESR charging timer configuration */ |
| 2555 | cycles_init = cycles_max = -EINVAL; |
| 2556 | if (end_of_charge || sleep) { |
| 2557 | cycles_init = chip->dt.esr_timer_charging[TIMER_RETRY]; |
| 2558 | cycles_max = chip->dt.esr_timer_charging[TIMER_MAX]; |
| 2559 | } else if (is_input_present(chip)) { |
| 2560 | cycles_init = chip->esr_timer_charging_default[TIMER_RETRY]; |
| 2561 | cycles_max = chip->esr_timer_charging_default[TIMER_MAX]; |
| 2562 | } |
| 2563 | |
| 2564 | rc = fg_set_esr_timer(chip, cycles_init, cycles_max, true, |
| 2565 | sleep ? FG_IMA_NO_WLOCK : FG_IMA_DEFAULT); |
| 2566 | if (rc < 0) { |
| 2567 | pr_err("Error in setting ESR timer, rc=%d\n", rc); |
| 2568 | return rc; |
| 2569 | } |
| 2570 | |
| 2571 | return 0; |
| 2572 | } |
| 2573 | |
Nicholas Troast | 805c242 | 2017-07-06 14:53:46 -0700 | [diff] [blame] | 2574 | static void fg_ttf_update(struct fg_chip *chip) |
Nicholas Troast | 1769fd3 | 2016-09-07 09:20:58 -0700 | [diff] [blame] | 2575 | { |
Nicholas Troast | 805c242 | 2017-07-06 14:53:46 -0700 | [diff] [blame] | 2576 | int rc; |
| 2577 | int delay_ms; |
| 2578 | union power_supply_propval prop = {0, }; |
| 2579 | int online = 0; |
| 2580 | |
| 2581 | if (usb_psy_initialized(chip)) { |
| 2582 | rc = power_supply_get_property(chip->usb_psy, |
| 2583 | POWER_SUPPLY_PROP_ONLINE, &prop); |
| 2584 | if (rc < 0) { |
| 2585 | pr_err("Couldn't read usb ONLINE prop rc=%d\n", rc); |
| 2586 | return; |
| 2587 | } |
| 2588 | |
| 2589 | online = online || prop.intval; |
| 2590 | } |
| 2591 | |
| 2592 | if (pc_port_psy_initialized(chip)) { |
| 2593 | rc = power_supply_get_property(chip->pc_port_psy, |
| 2594 | POWER_SUPPLY_PROP_ONLINE, &prop); |
| 2595 | if (rc < 0) { |
| 2596 | pr_err("Couldn't read pc_port ONLINE prop rc=%d\n", rc); |
| 2597 | return; |
| 2598 | } |
| 2599 | |
| 2600 | online = online || prop.intval; |
| 2601 | } |
| 2602 | |
| 2603 | if (dc_psy_initialized(chip)) { |
| 2604 | rc = power_supply_get_property(chip->dc_psy, |
| 2605 | POWER_SUPPLY_PROP_ONLINE, &prop); |
| 2606 | if (rc < 0) { |
| 2607 | pr_err("Couldn't read dc ONLINE prop rc=%d\n", rc); |
| 2608 | return; |
| 2609 | } |
| 2610 | |
| 2611 | online = online || prop.intval; |
| 2612 | } |
| 2613 | |
| 2614 | |
| 2615 | if (chip->online_status == online) |
Nicholas Troast | 1769fd3 | 2016-09-07 09:20:58 -0700 | [diff] [blame] | 2616 | return; |
| 2617 | |
Nicholas Troast | 805c242 | 2017-07-06 14:53:46 -0700 | [diff] [blame] | 2618 | chip->online_status = online; |
| 2619 | if (online) |
| 2620 | /* wait 35 seconds for the input to settle */ |
| 2621 | delay_ms = 35000; |
| 2622 | else |
| 2623 | /* wait 5 seconds for current to settle during discharge */ |
| 2624 | delay_ms = 5000; |
Nicholas Troast | 1769fd3 | 2016-09-07 09:20:58 -0700 | [diff] [blame] | 2625 | |
Nicholas Troast | 805c242 | 2017-07-06 14:53:46 -0700 | [diff] [blame] | 2626 | vote(chip->awake_votable, TTF_PRIMING, true, 0); |
| 2627 | cancel_delayed_work_sync(&chip->ttf_work); |
| 2628 | mutex_lock(&chip->ttf.lock); |
| 2629 | fg_circ_buf_clr(&chip->ttf.ibatt); |
| 2630 | fg_circ_buf_clr(&chip->ttf.vbatt); |
Nicholas Troast | b8c0b9a | 2017-07-10 13:14:28 -0700 | [diff] [blame] | 2631 | chip->ttf.last_ttf = 0; |
| 2632 | chip->ttf.last_ms = 0; |
Nicholas Troast | 805c242 | 2017-07-06 14:53:46 -0700 | [diff] [blame] | 2633 | mutex_unlock(&chip->ttf.lock); |
| 2634 | schedule_delayed_work(&chip->ttf_work, msecs_to_jiffies(delay_ms)); |
Nicholas Troast | 1769fd3 | 2016-09-07 09:20:58 -0700 | [diff] [blame] | 2635 | } |
| 2636 | |
Nicholas Troast | e29dec9 | 2016-08-24 09:35:11 -0700 | [diff] [blame] | 2637 | static void restore_cycle_counter(struct fg_chip *chip) |
| 2638 | { |
| 2639 | int rc = 0, i; |
| 2640 | u8 data[2]; |
| 2641 | |
Subbaraman Narayanamurthy | f9c0b87 | 2017-06-09 15:09:11 -0700 | [diff] [blame] | 2642 | if (!chip->cyc_ctr.en) |
| 2643 | return; |
| 2644 | |
Nicholas Troast | e29dec9 | 2016-08-24 09:35:11 -0700 | [diff] [blame] | 2645 | mutex_lock(&chip->cyc_ctr.lock); |
| 2646 | for (i = 0; i < BUCKET_COUNT; i++) { |
| 2647 | rc = fg_sram_read(chip, CYCLE_COUNT_WORD + (i / 2), |
| 2648 | CYCLE_COUNT_OFFSET + (i % 2) * 2, data, 2, |
| 2649 | FG_IMA_DEFAULT); |
| 2650 | if (rc < 0) |
| 2651 | pr_err("failed to read bucket %d rc=%d\n", i, rc); |
| 2652 | else |
| 2653 | chip->cyc_ctr.count[i] = data[0] | data[1] << 8; |
| 2654 | } |
| 2655 | mutex_unlock(&chip->cyc_ctr.lock); |
| 2656 | } |
| 2657 | |
| 2658 | static void clear_cycle_counter(struct fg_chip *chip) |
| 2659 | { |
| 2660 | int rc = 0, i; |
| 2661 | |
| 2662 | if (!chip->cyc_ctr.en) |
| 2663 | return; |
| 2664 | |
| 2665 | mutex_lock(&chip->cyc_ctr.lock); |
| 2666 | memset(chip->cyc_ctr.count, 0, sizeof(chip->cyc_ctr.count)); |
| 2667 | for (i = 0; i < BUCKET_COUNT; i++) { |
| 2668 | chip->cyc_ctr.started[i] = false; |
| 2669 | chip->cyc_ctr.last_soc[i] = 0; |
| 2670 | } |
| 2671 | rc = fg_sram_write(chip, CYCLE_COUNT_WORD, CYCLE_COUNT_OFFSET, |
| 2672 | (u8 *)&chip->cyc_ctr.count, |
| 2673 | sizeof(chip->cyc_ctr.count) / sizeof(u8 *), |
| 2674 | FG_IMA_DEFAULT); |
| 2675 | if (rc < 0) |
| 2676 | pr_err("failed to clear cycle counter rc=%d\n", rc); |
| 2677 | |
| 2678 | mutex_unlock(&chip->cyc_ctr.lock); |
| 2679 | } |
| 2680 | |
| 2681 | static int fg_inc_store_cycle_ctr(struct fg_chip *chip, int bucket) |
| 2682 | { |
| 2683 | int rc = 0; |
| 2684 | u16 cyc_count; |
| 2685 | u8 data[2]; |
| 2686 | |
| 2687 | if (bucket < 0 || (bucket > BUCKET_COUNT - 1)) |
| 2688 | return 0; |
| 2689 | |
| 2690 | cyc_count = chip->cyc_ctr.count[bucket]; |
| 2691 | cyc_count++; |
| 2692 | data[0] = cyc_count & 0xFF; |
| 2693 | data[1] = cyc_count >> 8; |
| 2694 | |
| 2695 | rc = fg_sram_write(chip, CYCLE_COUNT_WORD + (bucket / 2), |
| 2696 | CYCLE_COUNT_OFFSET + (bucket % 2) * 2, data, 2, |
| 2697 | FG_IMA_DEFAULT); |
Subbaraman Narayanamurthy | f9c0b87 | 2017-06-09 15:09:11 -0700 | [diff] [blame] | 2698 | if (rc < 0) { |
Nicholas Troast | e29dec9 | 2016-08-24 09:35:11 -0700 | [diff] [blame] | 2699 | pr_err("failed to write BATT_CYCLE[%d] rc=%d\n", |
| 2700 | bucket, rc); |
Subbaraman Narayanamurthy | f9c0b87 | 2017-06-09 15:09:11 -0700 | [diff] [blame] | 2701 | return rc; |
| 2702 | } |
| 2703 | |
| 2704 | chip->cyc_ctr.count[bucket] = cyc_count; |
| 2705 | fg_dbg(chip, FG_STATUS, "Stored count %d in bucket %d\n", cyc_count, |
| 2706 | bucket); |
| 2707 | |
Nicholas Troast | e29dec9 | 2016-08-24 09:35:11 -0700 | [diff] [blame] | 2708 | return rc; |
| 2709 | } |
| 2710 | |
Subbaraman Narayanamurthy | f9c0b87 | 2017-06-09 15:09:11 -0700 | [diff] [blame] | 2711 | static void fg_cycle_counter_update(struct fg_chip *chip) |
Nicholas Troast | e29dec9 | 2016-08-24 09:35:11 -0700 | [diff] [blame] | 2712 | { |
| 2713 | int rc = 0, bucket, i, batt_soc; |
Subbaraman Narayanamurthy | f9c0b87 | 2017-06-09 15:09:11 -0700 | [diff] [blame] | 2714 | |
| 2715 | if (!chip->cyc_ctr.en) |
| 2716 | return; |
Nicholas Troast | e29dec9 | 2016-08-24 09:35:11 -0700 | [diff] [blame] | 2717 | |
| 2718 | mutex_lock(&chip->cyc_ctr.lock); |
| 2719 | rc = fg_get_sram_prop(chip, FG_SRAM_BATT_SOC, &batt_soc); |
| 2720 | if (rc < 0) { |
| 2721 | pr_err("Failed to read battery soc rc: %d\n", rc); |
| 2722 | goto out; |
| 2723 | } |
| 2724 | |
Subbaraman Narayanamurthy | f9611e3 | 2016-09-26 11:12:47 -0700 | [diff] [blame] | 2725 | /* We need only the most significant byte here */ |
| 2726 | batt_soc = (u32)batt_soc >> 24; |
| 2727 | |
Subbaraman Narayanamurthy | f9c0b87 | 2017-06-09 15:09:11 -0700 | [diff] [blame] | 2728 | /* Find out which bucket the SOC falls in */ |
| 2729 | bucket = batt_soc / BUCKET_SOC_PCT; |
Nicholas Troast | e29dec9 | 2016-08-24 09:35:11 -0700 | [diff] [blame] | 2730 | |
Subbaraman Narayanamurthy | f9c0b87 | 2017-06-09 15:09:11 -0700 | [diff] [blame] | 2731 | if (chip->charge_status == POWER_SUPPLY_STATUS_CHARGING) { |
Nicholas Troast | e29dec9 | 2016-08-24 09:35:11 -0700 | [diff] [blame] | 2732 | if (!chip->cyc_ctr.started[bucket]) { |
| 2733 | chip->cyc_ctr.started[bucket] = true; |
| 2734 | chip->cyc_ctr.last_soc[bucket] = batt_soc; |
| 2735 | } |
Subbaraman Narayanamurthy | f9c0b87 | 2017-06-09 15:09:11 -0700 | [diff] [blame] | 2736 | } else if (chip->charge_done || !is_input_present(chip)) { |
Nicholas Troast | e29dec9 | 2016-08-24 09:35:11 -0700 | [diff] [blame] | 2737 | for (i = 0; i < BUCKET_COUNT; i++) { |
| 2738 | if (chip->cyc_ctr.started[i] && |
Subbaraman Narayanamurthy | f9c0b87 | 2017-06-09 15:09:11 -0700 | [diff] [blame] | 2739 | batt_soc > chip->cyc_ctr.last_soc[i] + 2) { |
Nicholas Troast | e29dec9 | 2016-08-24 09:35:11 -0700 | [diff] [blame] | 2740 | rc = fg_inc_store_cycle_ctr(chip, i); |
| 2741 | if (rc < 0) |
| 2742 | pr_err("Error in storing cycle_ctr rc: %d\n", |
| 2743 | rc); |
| 2744 | chip->cyc_ctr.last_soc[i] = 0; |
Subbaraman Narayanamurthy | f9c0b87 | 2017-06-09 15:09:11 -0700 | [diff] [blame] | 2745 | chip->cyc_ctr.started[i] = false; |
Nicholas Troast | e29dec9 | 2016-08-24 09:35:11 -0700 | [diff] [blame] | 2746 | } |
Nicholas Troast | e29dec9 | 2016-08-24 09:35:11 -0700 | [diff] [blame] | 2747 | } |
| 2748 | } |
Subbaraman Narayanamurthy | f9c0b87 | 2017-06-09 15:09:11 -0700 | [diff] [blame] | 2749 | |
| 2750 | fg_dbg(chip, FG_STATUS, "batt_soc: %d bucket: %d chg_status: %d\n", |
| 2751 | batt_soc, bucket, chip->charge_status); |
Nicholas Troast | e29dec9 | 2016-08-24 09:35:11 -0700 | [diff] [blame] | 2752 | out: |
| 2753 | mutex_unlock(&chip->cyc_ctr.lock); |
| 2754 | } |
| 2755 | |
Vamshi Krishna B V | 5662340 | 2018-09-19 11:56:07 +0530 | [diff] [blame] | 2756 | static int fg_get_cycle_count(struct fg_chip *chip) |
| 2757 | { |
| 2758 | int i, len = 0; |
| 2759 | |
| 2760 | if (!chip->cyc_ctr.en) |
| 2761 | return 0; |
| 2762 | |
| 2763 | mutex_lock(&chip->cyc_ctr.lock); |
| 2764 | for (i = 0; i < BUCKET_COUNT; i++) |
| 2765 | len += chip->cyc_ctr.count[i]; |
| 2766 | |
| 2767 | mutex_unlock(&chip->cyc_ctr.lock); |
| 2768 | |
| 2769 | len = len / BUCKET_COUNT; |
| 2770 | |
| 2771 | return len; |
| 2772 | } |
| 2773 | |
| 2774 | static const char *fg_get_cycle_counts(struct fg_chip *chip) |
Nicholas Troast | e29dec9 | 2016-08-24 09:35:11 -0700 | [diff] [blame] | 2775 | { |
Subbaraman Narayanamurthy | fb4239c | 2018-02-02 15:35:44 -0800 | [diff] [blame] | 2776 | int i, len = 0; |
| 2777 | char *buf; |
Nicholas Troast | e29dec9 | 2016-08-24 09:35:11 -0700 | [diff] [blame] | 2778 | |
| 2779 | if (!chip->cyc_ctr.en) |
Subbaraman Narayanamurthy | fb4239c | 2018-02-02 15:35:44 -0800 | [diff] [blame] | 2780 | return NULL; |
Nicholas Troast | e29dec9 | 2016-08-24 09:35:11 -0700 | [diff] [blame] | 2781 | |
Subbaraman Narayanamurthy | fb4239c | 2018-02-02 15:35:44 -0800 | [diff] [blame] | 2782 | buf = chip->cyc_ctr.counter; |
Nicholas Troast | e29dec9 | 2016-08-24 09:35:11 -0700 | [diff] [blame] | 2783 | mutex_lock(&chip->cyc_ctr.lock); |
Subbaraman Narayanamurthy | fb4239c | 2018-02-02 15:35:44 -0800 | [diff] [blame] | 2784 | for (i = 0; i < BUCKET_COUNT; i++) { |
| 2785 | if (sizeof(chip->cyc_ctr.counter) - len < 8) { |
| 2786 | pr_err("Invalid length %d\n", len); |
| 2787 | mutex_unlock(&chip->cyc_ctr.lock); |
| 2788 | return NULL; |
| 2789 | } |
| 2790 | |
| 2791 | len += snprintf(buf+len, 8, "%d ", chip->cyc_ctr.count[i]); |
| 2792 | } |
Nicholas Troast | e29dec9 | 2016-08-24 09:35:11 -0700 | [diff] [blame] | 2793 | mutex_unlock(&chip->cyc_ctr.lock); |
Subbaraman Narayanamurthy | fb4239c | 2018-02-02 15:35:44 -0800 | [diff] [blame] | 2794 | |
| 2795 | buf[len] = '\0'; |
| 2796 | return buf; |
Nicholas Troast | e29dec9 | 2016-08-24 09:35:11 -0700 | [diff] [blame] | 2797 | } |
| 2798 | |
Anirudh Ghayal | 63e9cea | 2018-06-11 16:15:11 +0530 | [diff] [blame] | 2799 | #define ESR_SW_FCC_UA 100000 /* 100mA */ |
| 2800 | #define ESR_EXTRACTION_ENABLE_MASK BIT(0) |
| 2801 | static void fg_esr_sw_work(struct work_struct *work) |
| 2802 | { |
| 2803 | struct fg_chip *chip = container_of(work, |
| 2804 | struct fg_chip, esr_sw_work); |
| 2805 | union power_supply_propval pval = {0, }; |
| 2806 | int rc, esr_uohms = 0; |
| 2807 | |
| 2808 | vote(chip->awake_votable, FG_ESR_VOTER, true, 0); |
| 2809 | /* |
| 2810 | * Enable ESR extraction just before we reduce the FCC |
| 2811 | * to make sure that FG extracts the ESR. Disable ESR |
| 2812 | * extraction after FCC reduction is complete to prevent |
| 2813 | * any further HW pulses. |
| 2814 | */ |
| 2815 | rc = fg_sram_masked_write(chip, ESR_EXTRACTION_ENABLE_WORD, |
| 2816 | ESR_EXTRACTION_ENABLE_OFFSET, |
| 2817 | ESR_EXTRACTION_ENABLE_MASK, 0x1, FG_IMA_DEFAULT); |
| 2818 | if (rc < 0) { |
| 2819 | pr_err("Failed to enable ESR extraction rc=%d\n", rc); |
| 2820 | goto done; |
| 2821 | } |
| 2822 | |
| 2823 | /* delay for 1 FG cycle to complete */ |
| 2824 | msleep(1500); |
| 2825 | |
| 2826 | /* for FCC to 100mA */ |
| 2827 | pval.intval = ESR_SW_FCC_UA; |
| 2828 | rc = power_supply_set_property(chip->batt_psy, |
| 2829 | POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT, |
| 2830 | &pval); |
| 2831 | if (rc < 0) { |
| 2832 | pr_err("Failed to set FCC to 100mA rc=%d\n", rc); |
| 2833 | goto done; |
| 2834 | } |
| 2835 | |
| 2836 | /* delay for ESR readings */ |
| 2837 | msleep(3000); |
| 2838 | |
| 2839 | /* FCC to 0 (removes vote) */ |
| 2840 | pval.intval = 0; |
| 2841 | rc = power_supply_set_property(chip->batt_psy, |
| 2842 | POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT, |
| 2843 | &pval); |
| 2844 | if (rc < 0) { |
| 2845 | pr_err("Failed to remove FCC vote rc=%d\n", rc); |
| 2846 | goto done; |
| 2847 | } |
| 2848 | |
| 2849 | fg_get_sram_prop(chip, FG_SRAM_ESR, &esr_uohms); |
| 2850 | fg_dbg(chip, FG_STATUS, "SW ESR done ESR=%d\n", esr_uohms); |
| 2851 | |
| 2852 | /* restart the alarm timer */ |
| 2853 | alarm_start_relative(&chip->esr_sw_timer, |
| 2854 | ms_to_ktime(chip->esr_wakeup_ms)); |
| 2855 | done: |
| 2856 | rc = fg_sram_masked_write(chip, ESR_EXTRACTION_ENABLE_WORD, |
| 2857 | ESR_EXTRACTION_ENABLE_OFFSET, |
| 2858 | ESR_EXTRACTION_ENABLE_MASK, 0x0, FG_IMA_DEFAULT); |
| 2859 | if (rc < 0) |
| 2860 | pr_err("Failed to disable ESR extraction rc=%d\n", rc); |
| 2861 | |
| 2862 | |
| 2863 | vote(chip->awake_votable, FG_ESR_VOTER, false, 0); |
| 2864 | fg_relax(chip, FG_SW_ESR_WAKE); |
| 2865 | } |
| 2866 | |
| 2867 | static enum alarmtimer_restart |
| 2868 | fg_esr_sw_timer(struct alarm *alarm, ktime_t now) |
| 2869 | { |
| 2870 | struct fg_chip *chip = container_of(alarm, |
| 2871 | struct fg_chip, esr_sw_timer); |
| 2872 | |
| 2873 | if (!chip->usb_present) |
| 2874 | return ALARMTIMER_NORESTART; |
| 2875 | |
| 2876 | fg_stay_awake(chip, FG_SW_ESR_WAKE); |
| 2877 | schedule_work(&chip->esr_sw_work); |
| 2878 | |
| 2879 | return ALARMTIMER_NORESTART; |
| 2880 | } |
| 2881 | |
| 2882 | static int fg_config_esr_sw(struct fg_chip *chip) |
| 2883 | { |
| 2884 | int rc; |
| 2885 | union power_supply_propval prop = {0, }; |
| 2886 | |
| 2887 | if (!chip->dt.use_esr_sw) |
| 2888 | return 0; |
| 2889 | |
| 2890 | if (!usb_psy_initialized(chip)) |
| 2891 | return 0; |
| 2892 | |
| 2893 | rc = power_supply_get_property(chip->usb_psy, |
| 2894 | POWER_SUPPLY_PROP_PRESENT, &prop); |
| 2895 | if (rc < 0) { |
| 2896 | pr_err("Error in reading usb-status rc = %d\n", rc); |
| 2897 | return rc; |
| 2898 | } |
| 2899 | |
| 2900 | if (chip->usb_present != prop.intval) { |
| 2901 | chip->usb_present = prop.intval; |
| 2902 | fg_dbg(chip, FG_STATUS, "USB status changed=%d\n", |
| 2903 | chip->usb_present); |
| 2904 | /* cancel any pending work */ |
| 2905 | alarm_cancel(&chip->esr_sw_timer); |
| 2906 | cancel_work_sync(&chip->esr_sw_work); |
| 2907 | |
| 2908 | if (chip->usb_present) { |
| 2909 | /* disable ESR extraction across the charging cycle */ |
| 2910 | rc = fg_sram_masked_write(chip, |
| 2911 | ESR_EXTRACTION_ENABLE_WORD, |
| 2912 | ESR_EXTRACTION_ENABLE_OFFSET, |
| 2913 | ESR_EXTRACTION_ENABLE_MASK, |
| 2914 | 0x0, FG_IMA_DEFAULT); |
| 2915 | if (rc < 0) |
| 2916 | return rc; |
| 2917 | /* wake up early for the first ESR on insertion */ |
| 2918 | alarm_start_relative(&chip->esr_sw_timer, |
| 2919 | ms_to_ktime(chip->esr_wakeup_ms / 2)); |
| 2920 | } else { |
| 2921 | /* enable ESR extraction on removal */ |
| 2922 | rc = fg_sram_masked_write(chip, |
| 2923 | ESR_EXTRACTION_ENABLE_WORD, |
| 2924 | ESR_EXTRACTION_ENABLE_OFFSET, |
| 2925 | ESR_EXTRACTION_ENABLE_MASK, |
| 2926 | 0x1, FG_IMA_DEFAULT); |
| 2927 | if (rc < 0) |
| 2928 | return rc; |
| 2929 | } |
| 2930 | } |
| 2931 | |
| 2932 | return 0; |
| 2933 | } |
| 2934 | |
Subbaraman Narayanamurthy | f9c0b87 | 2017-06-09 15:09:11 -0700 | [diff] [blame] | 2935 | static void status_change_work(struct work_struct *work) |
| 2936 | { |
| 2937 | struct fg_chip *chip = container_of(work, |
| 2938 | struct fg_chip, status_change_work); |
| 2939 | union power_supply_propval prop = {0, }; |
| 2940 | int rc, batt_temp; |
| 2941 | |
| 2942 | if (!batt_psy_initialized(chip)) { |
| 2943 | fg_dbg(chip, FG_STATUS, "Charger not available?!\n"); |
| 2944 | goto out; |
| 2945 | } |
| 2946 | |
Subbaraman Narayanamurthy | 55b5489 | 2017-11-21 15:33:16 -0800 | [diff] [blame] | 2947 | if (!chip->soc_reporting_ready) { |
| 2948 | fg_dbg(chip, FG_STATUS, "Profile load is not complete yet\n"); |
| 2949 | goto out; |
| 2950 | } |
| 2951 | |
Anirudh Ghayal | 63e9cea | 2018-06-11 16:15:11 +0530 | [diff] [blame] | 2952 | rc = fg_config_esr_sw(chip); |
| 2953 | if (rc < 0) |
| 2954 | pr_err("Failed to config SW ESR rc=%d\n", rc); |
| 2955 | |
Subbaraman Narayanamurthy | f9c0b87 | 2017-06-09 15:09:11 -0700 | [diff] [blame] | 2956 | rc = power_supply_get_property(chip->batt_psy, POWER_SUPPLY_PROP_STATUS, |
| 2957 | &prop); |
| 2958 | if (rc < 0) { |
| 2959 | pr_err("Error in getting charging status, rc=%d\n", rc); |
| 2960 | goto out; |
| 2961 | } |
| 2962 | |
Subbaraman Narayanamurthy | f9c0b87 | 2017-06-09 15:09:11 -0700 | [diff] [blame] | 2963 | chip->charge_status = prop.intval; |
| 2964 | rc = power_supply_get_property(chip->batt_psy, |
| 2965 | POWER_SUPPLY_PROP_CHARGE_TYPE, &prop); |
| 2966 | if (rc < 0) { |
| 2967 | pr_err("Error in getting charge type, rc=%d\n", rc); |
| 2968 | goto out; |
| 2969 | } |
| 2970 | |
| 2971 | chip->charge_type = prop.intval; |
| 2972 | rc = power_supply_get_property(chip->batt_psy, |
| 2973 | POWER_SUPPLY_PROP_CHARGE_DONE, &prop); |
| 2974 | if (rc < 0) { |
| 2975 | pr_err("Error in getting charge_done, rc=%d\n", rc); |
| 2976 | goto out; |
| 2977 | } |
| 2978 | |
| 2979 | chip->charge_done = prop.intval; |
| 2980 | fg_cycle_counter_update(chip); |
| 2981 | fg_cap_learning_update(chip); |
| 2982 | |
| 2983 | rc = fg_charge_full_update(chip); |
| 2984 | if (rc < 0) |
| 2985 | pr_err("Error in charge_full_update, rc=%d\n", rc); |
| 2986 | |
| 2987 | rc = fg_adjust_recharge_soc(chip); |
| 2988 | if (rc < 0) |
| 2989 | pr_err("Error in adjusting recharge_soc, rc=%d\n", rc); |
| 2990 | |
Subbaraman Narayanamurthy | fdca8c2 | 2017-08-04 12:25:49 -0700 | [diff] [blame] | 2991 | rc = fg_adjust_recharge_voltage(chip); |
| 2992 | if (rc < 0) |
| 2993 | pr_err("Error in adjusting recharge_voltage, rc=%d\n", rc); |
| 2994 | |
Subbaraman Narayanamurthy | f9c0b87 | 2017-06-09 15:09:11 -0700 | [diff] [blame] | 2995 | rc = fg_adjust_ki_coeff_dischg(chip); |
| 2996 | if (rc < 0) |
| 2997 | pr_err("Error in adjusting ki_coeff_dischg, rc=%d\n", rc); |
| 2998 | |
| 2999 | rc = fg_esr_fcc_config(chip); |
| 3000 | if (rc < 0) |
| 3001 | pr_err("Error in adjusting FCC for ESR, rc=%d\n", rc); |
| 3002 | |
| 3003 | rc = fg_get_battery_temp(chip, &batt_temp); |
| 3004 | if (!rc) { |
| 3005 | rc = fg_slope_limit_config(chip, batt_temp); |
| 3006 | if (rc < 0) |
| 3007 | pr_err("Error in configuring slope limiter rc:%d\n", |
| 3008 | rc); |
| 3009 | |
| 3010 | rc = fg_adjust_ki_coeff_full_soc(chip, batt_temp); |
| 3011 | if (rc < 0) |
| 3012 | pr_err("Error in configuring ki_coeff_full_soc rc:%d\n", |
| 3013 | rc); |
| 3014 | } |
| 3015 | |
| 3016 | fg_ttf_update(chip); |
Subbaraman Narayanamurthy | ef69cf2 | 2017-09-13 16:38:40 -0700 | [diff] [blame] | 3017 | chip->prev_charge_status = chip->charge_status; |
Subbaraman Narayanamurthy | f9c0b87 | 2017-06-09 15:09:11 -0700 | [diff] [blame] | 3018 | out: |
Subbaraman Narayanamurthy | 55b5489 | 2017-11-21 15:33:16 -0800 | [diff] [blame] | 3019 | fg_dbg(chip, FG_STATUS, "charge_status:%d charge_type:%d charge_done:%d\n", |
Subbaraman Narayanamurthy | f9c0b87 | 2017-06-09 15:09:11 -0700 | [diff] [blame] | 3020 | chip->charge_status, chip->charge_type, chip->charge_done); |
Anirudh Ghayal | 63e9cea | 2018-06-11 16:15:11 +0530 | [diff] [blame] | 3021 | fg_relax(chip, FG_STATUS_NOTIFY_WAKE); |
Subbaraman Narayanamurthy | f9c0b87 | 2017-06-09 15:09:11 -0700 | [diff] [blame] | 3022 | } |
| 3023 | |
Subbaraman Narayanamurthy | 3a0d173 | 2017-03-27 14:05:51 -0700 | [diff] [blame] | 3024 | static int fg_bp_params_config(struct fg_chip *chip) |
| 3025 | { |
| 3026 | int rc = 0; |
| 3027 | u8 buf; |
| 3028 | |
| 3029 | /* This SRAM register is only present in v2.0 and above */ |
| 3030 | if (!(chip->wa_flags & PMI8998_V1_REV_WA) && |
| 3031 | chip->bp.float_volt_uv > 0) { |
| 3032 | fg_encode(chip->sp, FG_SRAM_FLOAT_VOLT, |
| 3033 | chip->bp.float_volt_uv / 1000, &buf); |
| 3034 | rc = fg_sram_write(chip, chip->sp[FG_SRAM_FLOAT_VOLT].addr_word, |
| 3035 | chip->sp[FG_SRAM_FLOAT_VOLT].addr_byte, &buf, |
| 3036 | chip->sp[FG_SRAM_FLOAT_VOLT].len, FG_IMA_DEFAULT); |
| 3037 | if (rc < 0) { |
| 3038 | pr_err("Error in writing float_volt, rc=%d\n", rc); |
| 3039 | return rc; |
| 3040 | } |
| 3041 | } |
| 3042 | |
| 3043 | if (chip->bp.vbatt_full_mv > 0) { |
| 3044 | rc = fg_set_constant_chg_voltage(chip, |
| 3045 | chip->bp.vbatt_full_mv * 1000); |
| 3046 | if (rc < 0) |
| 3047 | return rc; |
| 3048 | } |
| 3049 | |
| 3050 | return rc; |
| 3051 | } |
| 3052 | |
Subbaraman Narayanamurthy | 402a672 | 2016-10-26 18:12:10 -0700 | [diff] [blame] | 3053 | #define PROFILE_LOAD_BIT BIT(0) |
| 3054 | #define BOOTLOADER_LOAD_BIT BIT(1) |
| 3055 | #define BOOTLOADER_RESTART_BIT BIT(2) |
| 3056 | #define HLOS_RESTART_BIT BIT(3) |
Subbaraman Narayanamurthy | 6da170e | 2016-09-21 12:36:03 -0700 | [diff] [blame] | 3057 | static bool is_profile_load_required(struct fg_chip *chip) |
| 3058 | { |
Nicholas Troast | e29dec9 | 2016-08-24 09:35:11 -0700 | [diff] [blame] | 3059 | u8 buf[PROFILE_COMP_LEN], val; |
Subbaraman Narayanamurthy | 6da170e | 2016-09-21 12:36:03 -0700 | [diff] [blame] | 3060 | bool profiles_same = false; |
| 3061 | int rc; |
Nicholas Troast | e29dec9 | 2016-08-24 09:35:11 -0700 | [diff] [blame] | 3062 | |
Nicholas Troast | e29dec9 | 2016-08-24 09:35:11 -0700 | [diff] [blame] | 3063 | rc = fg_sram_read(chip, PROFILE_INTEGRITY_WORD, |
| 3064 | PROFILE_INTEGRITY_OFFSET, &val, 1, FG_IMA_DEFAULT); |
| 3065 | if (rc < 0) { |
| 3066 | pr_err("failed to read profile integrity rc=%d\n", rc); |
Subbaraman Narayanamurthy | 6da170e | 2016-09-21 12:36:03 -0700 | [diff] [blame] | 3067 | return false; |
Nicholas Troast | e29dec9 | 2016-08-24 09:35:11 -0700 | [diff] [blame] | 3068 | } |
| 3069 | |
Subbaraman Narayanamurthy | 6da170e | 2016-09-21 12:36:03 -0700 | [diff] [blame] | 3070 | /* Check if integrity bit is set */ |
Subbaraman Narayanamurthy | 402a672 | 2016-10-26 18:12:10 -0700 | [diff] [blame] | 3071 | if (val & PROFILE_LOAD_BIT) { |
Nicholas Troast | e29dec9 | 2016-08-24 09:35:11 -0700 | [diff] [blame] | 3072 | fg_dbg(chip, FG_STATUS, "Battery profile integrity bit is set\n"); |
Subbaraman Narayanamurthy | 73616e1 | 2017-03-20 14:37:54 -0700 | [diff] [blame] | 3073 | |
| 3074 | /* Whitelist the values */ |
| 3075 | val &= ~PROFILE_LOAD_BIT; |
| 3076 | if (val != HLOS_RESTART_BIT && val != BOOTLOADER_LOAD_BIT && |
| 3077 | val != (BOOTLOADER_LOAD_BIT | BOOTLOADER_RESTART_BIT)) { |
| 3078 | val |= PROFILE_LOAD_BIT; |
| 3079 | pr_warn("Garbage value in profile integrity word: 0x%x\n", |
| 3080 | val); |
| 3081 | return true; |
| 3082 | } |
| 3083 | |
Nicholas Troast | e29dec9 | 2016-08-24 09:35:11 -0700 | [diff] [blame] | 3084 | rc = fg_sram_read(chip, PROFILE_LOAD_WORD, PROFILE_LOAD_OFFSET, |
| 3085 | buf, PROFILE_COMP_LEN, FG_IMA_DEFAULT); |
| 3086 | if (rc < 0) { |
| 3087 | pr_err("Error in reading battery profile, rc:%d\n", rc); |
Subbaraman Narayanamurthy | 51a8149 | 2018-01-19 12:02:30 -0800 | [diff] [blame] | 3088 | chip->profile_load_status = PROFILE_SKIPPED; |
Subbaraman Narayanamurthy | 6da170e | 2016-09-21 12:36:03 -0700 | [diff] [blame] | 3089 | return false; |
Nicholas Troast | e29dec9 | 2016-08-24 09:35:11 -0700 | [diff] [blame] | 3090 | } |
| 3091 | profiles_same = memcmp(chip->batt_profile, buf, |
| 3092 | PROFILE_COMP_LEN) == 0; |
| 3093 | if (profiles_same) { |
Subbaraman Narayanamurthy | 6da170e | 2016-09-21 12:36:03 -0700 | [diff] [blame] | 3094 | fg_dbg(chip, FG_STATUS, "Battery profile is same, not loading it\n"); |
Subbaraman Narayanamurthy | 51a8149 | 2018-01-19 12:02:30 -0800 | [diff] [blame] | 3095 | chip->profile_load_status = PROFILE_LOADED; |
Subbaraman Narayanamurthy | 6da170e | 2016-09-21 12:36:03 -0700 | [diff] [blame] | 3096 | return false; |
Nicholas Troast | e29dec9 | 2016-08-24 09:35:11 -0700 | [diff] [blame] | 3097 | } |
Subbaraman Narayanamurthy | 6da170e | 2016-09-21 12:36:03 -0700 | [diff] [blame] | 3098 | |
| 3099 | if (!chip->dt.force_load_profile) { |
| 3100 | pr_warn("Profiles doesn't match, skipping loading it since force_load_profile is disabled\n"); |
Subbaraman Narayanamurthy | eca9bb3 | 2016-12-09 16:43:52 -0800 | [diff] [blame] | 3101 | if (fg_profile_dump) { |
Subbaraman Narayanamurthy | 6da170e | 2016-09-21 12:36:03 -0700 | [diff] [blame] | 3102 | pr_info("FG: loaded profile:\n"); |
Subbaraman Narayanamurthy | eca9bb3 | 2016-12-09 16:43:52 -0800 | [diff] [blame] | 3103 | dump_sram(buf, PROFILE_LOAD_WORD, |
| 3104 | PROFILE_COMP_LEN); |
Subbaraman Narayanamurthy | 6da170e | 2016-09-21 12:36:03 -0700 | [diff] [blame] | 3105 | pr_info("FG: available profile:\n"); |
Subbaraman Narayanamurthy | eca9bb3 | 2016-12-09 16:43:52 -0800 | [diff] [blame] | 3106 | dump_sram(chip->batt_profile, PROFILE_LOAD_WORD, |
| 3107 | PROFILE_LEN); |
Subbaraman Narayanamurthy | 6da170e | 2016-09-21 12:36:03 -0700 | [diff] [blame] | 3108 | } |
Subbaraman Narayanamurthy | 51a8149 | 2018-01-19 12:02:30 -0800 | [diff] [blame] | 3109 | chip->profile_load_status = PROFILE_SKIPPED; |
Subbaraman Narayanamurthy | 6da170e | 2016-09-21 12:36:03 -0700 | [diff] [blame] | 3110 | return false; |
| 3111 | } |
| 3112 | |
| 3113 | fg_dbg(chip, FG_STATUS, "Profiles are different, loading the correct one\n"); |
| 3114 | } else { |
| 3115 | fg_dbg(chip, FG_STATUS, "Profile integrity bit is not set\n"); |
Subbaraman Narayanamurthy | eca9bb3 | 2016-12-09 16:43:52 -0800 | [diff] [blame] | 3116 | if (fg_profile_dump) { |
Subbaraman Narayanamurthy | 6da170e | 2016-09-21 12:36:03 -0700 | [diff] [blame] | 3117 | pr_info("FG: profile to be loaded:\n"); |
Subbaraman Narayanamurthy | eca9bb3 | 2016-12-09 16:43:52 -0800 | [diff] [blame] | 3118 | dump_sram(chip->batt_profile, PROFILE_LOAD_WORD, |
| 3119 | PROFILE_LEN); |
Subbaraman Narayanamurthy | 6da170e | 2016-09-21 12:36:03 -0700 | [diff] [blame] | 3120 | } |
Nicholas Troast | e29dec9 | 2016-08-24 09:35:11 -0700 | [diff] [blame] | 3121 | } |
Subbaraman Narayanamurthy | 6da170e | 2016-09-21 12:36:03 -0700 | [diff] [blame] | 3122 | return true; |
| 3123 | } |
| 3124 | |
Subbaraman Narayanamurthy | 35051a2 | 2017-11-10 15:37:29 -0800 | [diff] [blame] | 3125 | static void fg_update_batt_profile(struct fg_chip *chip) |
| 3126 | { |
| 3127 | int rc, offset; |
| 3128 | u8 val; |
| 3129 | |
| 3130 | rc = fg_sram_read(chip, PROFILE_INTEGRITY_WORD, |
| 3131 | SW_CONFIG_OFFSET, &val, 1, FG_IMA_DEFAULT); |
| 3132 | if (rc < 0) { |
| 3133 | pr_err("Error in reading SW_CONFIG_OFFSET, rc=%d\n", rc); |
| 3134 | return; |
| 3135 | } |
| 3136 | |
| 3137 | /* |
| 3138 | * If the RCONN had not been updated, no need to update battery |
| 3139 | * profile. Else, update the battery profile so that the profile |
| 3140 | * modified by bootloader or HLOS matches with the profile read |
| 3141 | * from device tree. |
| 3142 | */ |
| 3143 | |
| 3144 | if (!(val & RCONN_CONFIG_BIT)) |
| 3145 | return; |
| 3146 | |
| 3147 | rc = fg_sram_read(chip, ESR_RSLOW_CHG_WORD, |
| 3148 | ESR_RSLOW_CHG_OFFSET, &val, 1, FG_IMA_DEFAULT); |
| 3149 | if (rc < 0) { |
| 3150 | pr_err("Error in reading ESR_RSLOW_CHG_OFFSET, rc=%d\n", rc); |
| 3151 | return; |
| 3152 | } |
| 3153 | offset = (ESR_RSLOW_CHG_WORD - PROFILE_LOAD_WORD) * 4 |
| 3154 | + ESR_RSLOW_CHG_OFFSET; |
| 3155 | chip->batt_profile[offset] = val; |
| 3156 | |
| 3157 | rc = fg_sram_read(chip, ESR_RSLOW_DISCHG_WORD, |
| 3158 | ESR_RSLOW_DISCHG_OFFSET, &val, 1, FG_IMA_DEFAULT); |
| 3159 | if (rc < 0) { |
| 3160 | pr_err("Error in reading ESR_RSLOW_DISCHG_OFFSET, rc=%d\n", rc); |
| 3161 | return; |
| 3162 | } |
| 3163 | offset = (ESR_RSLOW_DISCHG_WORD - PROFILE_LOAD_WORD) * 4 |
| 3164 | + ESR_RSLOW_DISCHG_OFFSET; |
| 3165 | chip->batt_profile[offset] = val; |
| 3166 | } |
| 3167 | |
Subbaraman Narayanamurthy | 76cce8d | 2016-12-22 15:09:38 -0800 | [diff] [blame] | 3168 | static void clear_battery_profile(struct fg_chip *chip) |
| 3169 | { |
| 3170 | u8 val = 0; |
| 3171 | int rc; |
| 3172 | |
| 3173 | rc = fg_sram_write(chip, PROFILE_INTEGRITY_WORD, |
| 3174 | PROFILE_INTEGRITY_OFFSET, &val, 1, FG_IMA_DEFAULT); |
| 3175 | if (rc < 0) |
| 3176 | pr_err("failed to write profile integrity rc=%d\n", rc); |
| 3177 | } |
| 3178 | |
Subbaraman Narayanamurthy | 6da170e | 2016-09-21 12:36:03 -0700 | [diff] [blame] | 3179 | #define SOC_READY_WAIT_MS 2000 |
Subbaraman Narayanamurthy | 4f8e7d2 | 2016-09-22 19:36:39 -0700 | [diff] [blame] | 3180 | static int __fg_restart(struct fg_chip *chip) |
| 3181 | { |
| 3182 | int rc, msoc; |
| 3183 | bool tried_again = false; |
| 3184 | |
| 3185 | rc = fg_get_prop_capacity(chip, &msoc); |
| 3186 | if (rc < 0) { |
| 3187 | pr_err("Error in getting capacity, rc=%d\n", rc); |
| 3188 | return rc; |
| 3189 | } |
| 3190 | |
| 3191 | chip->last_soc = msoc; |
| 3192 | chip->fg_restarting = true; |
| 3193 | reinit_completion(&chip->soc_ready); |
| 3194 | rc = fg_masked_write(chip, BATT_SOC_RESTART(chip), RESTART_GO_BIT, |
| 3195 | RESTART_GO_BIT); |
| 3196 | if (rc < 0) { |
| 3197 | pr_err("Error in writing to %04x, rc=%d\n", |
| 3198 | BATT_SOC_RESTART(chip), rc); |
| 3199 | goto out; |
| 3200 | } |
| 3201 | |
| 3202 | wait: |
| 3203 | rc = wait_for_completion_interruptible_timeout(&chip->soc_ready, |
| 3204 | msecs_to_jiffies(SOC_READY_WAIT_MS)); |
| 3205 | |
| 3206 | /* If we were interrupted wait again one more time. */ |
| 3207 | if (rc == -ERESTARTSYS && !tried_again) { |
| 3208 | tried_again = true; |
| 3209 | goto wait; |
| 3210 | } else if (rc <= 0) { |
| 3211 | pr_err("wait for soc_ready timed out rc=%d\n", rc); |
Subbaraman Narayanamurthy | 4f8e7d2 | 2016-09-22 19:36:39 -0700 | [diff] [blame] | 3212 | } |
| 3213 | |
| 3214 | rc = fg_masked_write(chip, BATT_SOC_RESTART(chip), RESTART_GO_BIT, 0); |
| 3215 | if (rc < 0) { |
| 3216 | pr_err("Error in writing to %04x, rc=%d\n", |
| 3217 | BATT_SOC_RESTART(chip), rc); |
| 3218 | goto out; |
| 3219 | } |
| 3220 | out: |
| 3221 | chip->fg_restarting = false; |
| 3222 | return rc; |
| 3223 | } |
| 3224 | |
Subbaraman Narayanamurthy | f40b7a4 | 2017-11-01 17:35:00 -0700 | [diff] [blame] | 3225 | static void pl_enable_work(struct work_struct *work) |
| 3226 | { |
| 3227 | struct fg_chip *chip = container_of(work, |
| 3228 | struct fg_chip, |
| 3229 | pl_enable_work.work); |
| 3230 | |
| 3231 | vote(chip->pl_disable_votable, ESR_FCC_VOTER, false, 0); |
| 3232 | vote(chip->awake_votable, ESR_FCC_VOTER, false, 0); |
| 3233 | } |
| 3234 | |
Subbaraman Narayanamurthy | 6da170e | 2016-09-21 12:36:03 -0700 | [diff] [blame] | 3235 | static void profile_load_work(struct work_struct *work) |
| 3236 | { |
| 3237 | struct fg_chip *chip = container_of(work, |
| 3238 | struct fg_chip, |
| 3239 | profile_load_work.work); |
Subbaraman Narayanamurthy | 6da170e | 2016-09-21 12:36:03 -0700 | [diff] [blame] | 3240 | u8 buf[2], val; |
| 3241 | int rc; |
| 3242 | |
| 3243 | vote(chip->awake_votable, PROFILE_LOAD, true, 0); |
Subbaraman Narayanamurthy | ecc0602 | 2017-04-04 16:10:35 -0700 | [diff] [blame] | 3244 | |
| 3245 | rc = fg_get_batt_id(chip); |
| 3246 | if (rc < 0) { |
| 3247 | pr_err("Error in getting battery id, rc:%d\n", rc); |
| 3248 | goto out; |
| 3249 | } |
| 3250 | |
| 3251 | rc = fg_get_batt_profile(chip); |
| 3252 | if (rc < 0) { |
Subbaraman Narayanamurthy | 51a8149 | 2018-01-19 12:02:30 -0800 | [diff] [blame] | 3253 | chip->profile_load_status = PROFILE_MISSING; |
Subbaraman Narayanamurthy | ecc0602 | 2017-04-04 16:10:35 -0700 | [diff] [blame] | 3254 | pr_warn("profile for batt_id=%dKOhms not found..using OTP, rc:%d\n", |
| 3255 | chip->batt_id_ohms / 1000, rc); |
| 3256 | goto out; |
| 3257 | } |
| 3258 | |
| 3259 | if (!chip->profile_available) |
| 3260 | goto out; |
| 3261 | |
Subbaraman Narayanamurthy | 35051a2 | 2017-11-10 15:37:29 -0800 | [diff] [blame] | 3262 | fg_update_batt_profile(chip); |
| 3263 | |
Subbaraman Narayanamurthy | 6da170e | 2016-09-21 12:36:03 -0700 | [diff] [blame] | 3264 | if (!is_profile_load_required(chip)) |
| 3265 | goto done; |
Nicholas Troast | e29dec9 | 2016-08-24 09:35:11 -0700 | [diff] [blame] | 3266 | |
| 3267 | clear_cycle_counter(chip); |
Subbaraman Narayanamurthy | 07be919 | 2016-09-14 14:48:49 -0700 | [diff] [blame] | 3268 | mutex_lock(&chip->cl.lock); |
| 3269 | chip->cl.learned_cc_uah = 0; |
| 3270 | chip->cl.active = false; |
| 3271 | mutex_unlock(&chip->cl.lock); |
| 3272 | |
Nicholas Troast | e29dec9 | 2016-08-24 09:35:11 -0700 | [diff] [blame] | 3273 | fg_dbg(chip, FG_STATUS, "profile loading started\n"); |
| 3274 | rc = fg_masked_write(chip, BATT_SOC_RESTART(chip), RESTART_GO_BIT, 0); |
| 3275 | if (rc < 0) { |
| 3276 | pr_err("Error in writing to %04x, rc=%d\n", |
| 3277 | BATT_SOC_RESTART(chip), rc); |
| 3278 | goto out; |
| 3279 | } |
| 3280 | |
| 3281 | /* load battery profile */ |
| 3282 | rc = fg_sram_write(chip, PROFILE_LOAD_WORD, PROFILE_LOAD_OFFSET, |
| 3283 | chip->batt_profile, PROFILE_LEN, FG_IMA_ATOMIC); |
| 3284 | if (rc < 0) { |
| 3285 | pr_err("Error in writing battery profile, rc:%d\n", rc); |
| 3286 | goto out; |
| 3287 | } |
| 3288 | |
Nicholas Troast | e29dec9 | 2016-08-24 09:35:11 -0700 | [diff] [blame] | 3289 | /* Set the profile integrity bit */ |
Subbaraman Narayanamurthy | 402a672 | 2016-10-26 18:12:10 -0700 | [diff] [blame] | 3290 | val = HLOS_RESTART_BIT | PROFILE_LOAD_BIT; |
Nicholas Troast | e29dec9 | 2016-08-24 09:35:11 -0700 | [diff] [blame] | 3291 | rc = fg_sram_write(chip, PROFILE_INTEGRITY_WORD, |
| 3292 | PROFILE_INTEGRITY_OFFSET, &val, 1, FG_IMA_DEFAULT); |
| 3293 | if (rc < 0) { |
| 3294 | pr_err("failed to write profile integrity rc=%d\n", rc); |
| 3295 | goto out; |
| 3296 | } |
| 3297 | |
Subbaraman Narayanamurthy | 9b88a30 | 2018-01-05 13:06:54 -0800 | [diff] [blame] | 3298 | rc = __fg_restart(chip); |
| 3299 | if (rc < 0) { |
| 3300 | pr_err("Error in restarting FG, rc=%d\n", rc); |
| 3301 | goto out; |
| 3302 | } |
| 3303 | |
| 3304 | fg_dbg(chip, FG_STATUS, "SOC is ready\n"); |
Subbaraman Narayanamurthy | 51a8149 | 2018-01-19 12:02:30 -0800 | [diff] [blame] | 3305 | chip->profile_load_status = PROFILE_LOADED; |
Nicholas Troast | e29dec9 | 2016-08-24 09:35:11 -0700 | [diff] [blame] | 3306 | done: |
Subbaraman Narayanamurthy | 3a0d173 | 2017-03-27 14:05:51 -0700 | [diff] [blame] | 3307 | rc = fg_bp_params_config(chip); |
| 3308 | if (rc < 0) |
| 3309 | pr_err("Error in configuring battery profile params, rc:%d\n", |
| 3310 | rc); |
| 3311 | |
Nicholas Troast | e29dec9 | 2016-08-24 09:35:11 -0700 | [diff] [blame] | 3312 | rc = fg_sram_read(chip, NOM_CAP_WORD, NOM_CAP_OFFSET, buf, 2, |
| 3313 | FG_IMA_DEFAULT); |
| 3314 | if (rc < 0) { |
| 3315 | pr_err("Error in reading %04x[%d] rc=%d\n", NOM_CAP_WORD, |
| 3316 | NOM_CAP_OFFSET, rc); |
Subbaraman Narayanamurthy | 07be919 | 2016-09-14 14:48:49 -0700 | [diff] [blame] | 3317 | } else { |
| 3318 | chip->cl.nom_cap_uah = (int)(buf[0] | buf[1] << 8) * 1000; |
| 3319 | rc = fg_load_learned_cap_from_sram(chip); |
| 3320 | if (rc < 0) |
| 3321 | pr_err("Error in loading capacity learning data, rc:%d\n", |
| 3322 | rc); |
Nicholas Troast | e29dec9 | 2016-08-24 09:35:11 -0700 | [diff] [blame] | 3323 | } |
| 3324 | |
Subbaraman Narayanamurthy | 35051a2 | 2017-11-10 15:37:29 -0800 | [diff] [blame] | 3325 | rc = fg_rconn_config(chip); |
| 3326 | if (rc < 0) |
| 3327 | pr_err("Error in configuring Rconn, rc=%d\n", rc); |
| 3328 | |
Abhijeet Dharmapurikar | 2cdd140 | 2017-01-10 15:38:27 -0800 | [diff] [blame] | 3329 | batt_psy_initialized(chip); |
Subbaraman Narayanamurthy | a6b1fd8 | 2016-10-17 20:08:59 -0700 | [diff] [blame] | 3330 | fg_notify_charger(chip); |
Subbaraman Narayanamurthy | 51a8149 | 2018-01-19 12:02:30 -0800 | [diff] [blame] | 3331 | |
| 3332 | if (chip->profile_load_status == PROFILE_LOADED) |
| 3333 | chip->profile_loaded = true; |
| 3334 | |
Subbaraman Narayanamurthy | 4f8e7d2 | 2016-09-22 19:36:39 -0700 | [diff] [blame] | 3335 | fg_dbg(chip, FG_STATUS, "profile loaded successfully"); |
Nicholas Troast | e29dec9 | 2016-08-24 09:35:11 -0700 | [diff] [blame] | 3336 | out: |
Subbaraman Narayanamurthy | ecc0602 | 2017-04-04 16:10:35 -0700 | [diff] [blame] | 3337 | chip->soc_reporting_ready = true; |
Subbaraman Narayanamurthy | f40b7a4 | 2017-11-01 17:35:00 -0700 | [diff] [blame] | 3338 | vote(chip->awake_votable, ESR_FCC_VOTER, true, 0); |
| 3339 | schedule_delayed_work(&chip->pl_enable_work, msecs_to_jiffies(5000)); |
Nicholas Troast | e29dec9 | 2016-08-24 09:35:11 -0700 | [diff] [blame] | 3340 | vote(chip->awake_votable, PROFILE_LOAD, false, 0); |
Subbaraman Narayanamurthy | 55b5489 | 2017-11-21 15:33:16 -0800 | [diff] [blame] | 3341 | if (!work_pending(&chip->status_change_work)) { |
Anirudh Ghayal | 63e9cea | 2018-06-11 16:15:11 +0530 | [diff] [blame] | 3342 | fg_stay_awake(chip, FG_STATUS_NOTIFY_WAKE); |
Subbaraman Narayanamurthy | 55b5489 | 2017-11-21 15:33:16 -0800 | [diff] [blame] | 3343 | schedule_work(&chip->status_change_work); |
| 3344 | } |
Nicholas Troast | e29dec9 | 2016-08-24 09:35:11 -0700 | [diff] [blame] | 3345 | } |
| 3346 | |
Subbaraman Narayanamurthy | eca9bb3 | 2016-12-09 16:43:52 -0800 | [diff] [blame] | 3347 | static void sram_dump_work(struct work_struct *work) |
| 3348 | { |
| 3349 | struct fg_chip *chip = container_of(work, struct fg_chip, |
| 3350 | sram_dump_work.work); |
| 3351 | u8 buf[FG_SRAM_LEN]; |
| 3352 | int rc; |
Tirupathi Reddy | ce65d00 | 2017-02-10 18:06:40 +0530 | [diff] [blame] | 3353 | s64 timestamp_ms, quotient; |
| 3354 | s32 remainder; |
Subbaraman Narayanamurthy | eca9bb3 | 2016-12-09 16:43:52 -0800 | [diff] [blame] | 3355 | |
| 3356 | rc = fg_sram_read(chip, 0, 0, buf, FG_SRAM_LEN, FG_IMA_DEFAULT); |
| 3357 | if (rc < 0) { |
| 3358 | pr_err("Error in reading FG SRAM, rc:%d\n", rc); |
| 3359 | goto resched; |
| 3360 | } |
| 3361 | |
| 3362 | timestamp_ms = ktime_to_ms(ktime_get_boottime()); |
Tirupathi Reddy | ce65d00 | 2017-02-10 18:06:40 +0530 | [diff] [blame] | 3363 | quotient = div_s64_rem(timestamp_ms, 1000, &remainder); |
| 3364 | fg_dbg(chip, FG_STATUS, "SRAM Dump Started at %lld.%d\n", |
| 3365 | quotient, remainder); |
Subbaraman Narayanamurthy | eca9bb3 | 2016-12-09 16:43:52 -0800 | [diff] [blame] | 3366 | dump_sram(buf, 0, FG_SRAM_LEN); |
| 3367 | timestamp_ms = ktime_to_ms(ktime_get_boottime()); |
Tirupathi Reddy | ce65d00 | 2017-02-10 18:06:40 +0530 | [diff] [blame] | 3368 | quotient = div_s64_rem(timestamp_ms, 1000, &remainder); |
| 3369 | fg_dbg(chip, FG_STATUS, "SRAM Dump done at %lld.%d\n", |
| 3370 | quotient, remainder); |
Subbaraman Narayanamurthy | eca9bb3 | 2016-12-09 16:43:52 -0800 | [diff] [blame] | 3371 | resched: |
| 3372 | schedule_delayed_work(&chip->sram_dump_work, |
| 3373 | msecs_to_jiffies(fg_sram_dump_period_ms)); |
| 3374 | } |
| 3375 | |
| 3376 | static int fg_sram_dump_sysfs(const char *val, const struct kernel_param *kp) |
| 3377 | { |
| 3378 | int rc; |
| 3379 | struct power_supply *bms_psy; |
| 3380 | struct fg_chip *chip; |
| 3381 | bool old_val = fg_sram_dump; |
| 3382 | |
| 3383 | rc = param_set_bool(val, kp); |
| 3384 | if (rc) { |
| 3385 | pr_err("Unable to set fg_sram_dump: %d\n", rc); |
| 3386 | return rc; |
| 3387 | } |
| 3388 | |
| 3389 | if (fg_sram_dump == old_val) |
| 3390 | return 0; |
| 3391 | |
| 3392 | bms_psy = power_supply_get_by_name("bms"); |
| 3393 | if (!bms_psy) { |
| 3394 | pr_err("bms psy not found\n"); |
| 3395 | return -ENODEV; |
| 3396 | } |
| 3397 | |
| 3398 | chip = power_supply_get_drvdata(bms_psy); |
| 3399 | if (fg_sram_dump) |
| 3400 | schedule_delayed_work(&chip->sram_dump_work, |
| 3401 | msecs_to_jiffies(fg_sram_dump_period_ms)); |
| 3402 | else |
| 3403 | cancel_delayed_work_sync(&chip->sram_dump_work); |
| 3404 | |
| 3405 | return 0; |
| 3406 | } |
| 3407 | |
| 3408 | static struct kernel_param_ops fg_sram_dump_ops = { |
| 3409 | .set = fg_sram_dump_sysfs, |
| 3410 | .get = param_get_bool, |
| 3411 | }; |
| 3412 | |
| 3413 | module_param_cb(sram_dump_en, &fg_sram_dump_ops, &fg_sram_dump, 0644); |
| 3414 | |
Subbaraman Narayanamurthy | 4f8e7d2 | 2016-09-22 19:36:39 -0700 | [diff] [blame] | 3415 | static int fg_restart_sysfs(const char *val, const struct kernel_param *kp) |
| 3416 | { |
| 3417 | int rc; |
| 3418 | struct power_supply *bms_psy; |
| 3419 | struct fg_chip *chip; |
| 3420 | |
| 3421 | rc = param_set_int(val, kp); |
| 3422 | if (rc) { |
| 3423 | pr_err("Unable to set fg_restart: %d\n", rc); |
| 3424 | return rc; |
| 3425 | } |
| 3426 | |
| 3427 | if (fg_restart != 1) { |
| 3428 | pr_err("Bad value %d\n", fg_restart); |
| 3429 | return -EINVAL; |
| 3430 | } |
| 3431 | |
| 3432 | bms_psy = power_supply_get_by_name("bms"); |
| 3433 | if (!bms_psy) { |
| 3434 | pr_err("bms psy not found\n"); |
| 3435 | return 0; |
| 3436 | } |
| 3437 | |
| 3438 | chip = power_supply_get_drvdata(bms_psy); |
| 3439 | rc = __fg_restart(chip); |
| 3440 | if (rc < 0) { |
| 3441 | pr_err("Error in restarting FG, rc=%d\n", rc); |
| 3442 | return rc; |
| 3443 | } |
| 3444 | |
| 3445 | pr_info("FG restart done\n"); |
| 3446 | return rc; |
| 3447 | } |
| 3448 | |
| 3449 | static struct kernel_param_ops fg_restart_ops = { |
| 3450 | .set = fg_restart_sysfs, |
| 3451 | .get = param_get_int, |
| 3452 | }; |
| 3453 | |
| 3454 | module_param_cb(restart, &fg_restart_ops, &fg_restart, 0644); |
| 3455 | |
Nicholas Troast | 1769fd3 | 2016-09-07 09:20:58 -0700 | [diff] [blame] | 3456 | #define HOURS_TO_SECONDS 3600 |
| 3457 | #define OCV_SLOPE_UV 10869 |
| 3458 | #define MILLI_UNIT 1000 |
| 3459 | #define MICRO_UNIT 1000000 |
Nicholas Troast | 805c242 | 2017-07-06 14:53:46 -0700 | [diff] [blame] | 3460 | #define NANO_UNIT 1000000000 |
| 3461 | static int fg_get_time_to_full_locked(struct fg_chip *chip, int *val) |
Nicholas Troast | 1769fd3 | 2016-09-07 09:20:58 -0700 | [diff] [blame] | 3462 | { |
Nicholas Troast | 805c242 | 2017-07-06 14:53:46 -0700 | [diff] [blame] | 3463 | int rc, ibatt_avg, vbatt_avg, rbatt, msoc, full_soc, act_cap_mah, |
Nicholas Troast | b8cb40c | 2017-06-21 11:10:40 -0700 | [diff] [blame] | 3464 | i_cc2cv = 0, soc_cc2cv, tau, divisor, iterm, ttf_mode, |
| 3465 | i, soc_per_step, msoc_this_step, msoc_next_step, |
Nicholas Troast | b8c0b9a | 2017-07-10 13:14:28 -0700 | [diff] [blame] | 3466 | ibatt_this_step, t_predicted_this_step, ttf_slope, |
Nicholas Troast | 805c242 | 2017-07-06 14:53:46 -0700 | [diff] [blame] | 3467 | t_predicted_cv, t_predicted = 0; |
Nicholas Troast | b8c0b9a | 2017-07-10 13:14:28 -0700 | [diff] [blame] | 3468 | s64 delta_ms; |
Nicholas Troast | 1769fd3 | 2016-09-07 09:20:58 -0700 | [diff] [blame] | 3469 | |
Subbaraman Narayanamurthy | 476e837 | 2017-08-25 13:38:36 -0700 | [diff] [blame] | 3470 | if (!chip->soc_reporting_ready) |
| 3471 | return -ENODATA; |
| 3472 | |
Nicholas Troast | 1769fd3 | 2016-09-07 09:20:58 -0700 | [diff] [blame] | 3473 | if (chip->bp.float_volt_uv <= 0) { |
| 3474 | pr_err("battery profile is not loaded\n"); |
| 3475 | return -ENODATA; |
| 3476 | } |
| 3477 | |
Abhijeet Dharmapurikar | 2cdd140 | 2017-01-10 15:38:27 -0800 | [diff] [blame] | 3478 | if (!batt_psy_initialized(chip)) { |
Nicholas Troast | 1769fd3 | 2016-09-07 09:20:58 -0700 | [diff] [blame] | 3479 | fg_dbg(chip, FG_TTF, "charger is not available\n"); |
| 3480 | return -ENODATA; |
| 3481 | } |
| 3482 | |
Nicholas Troast | 32a22d3 | 2016-12-14 16:12:04 -0800 | [diff] [blame] | 3483 | rc = fg_get_prop_capacity(chip, &msoc); |
| 3484 | if (rc < 0) { |
| 3485 | pr_err("failed to get msoc rc=%d\n", rc); |
| 3486 | return rc; |
| 3487 | } |
| 3488 | fg_dbg(chip, FG_TTF, "msoc=%d\n", msoc); |
| 3489 | |
Nicholas Troast | 805c242 | 2017-07-06 14:53:46 -0700 | [diff] [blame] | 3490 | /* the battery is considered full if the SOC is 100% */ |
Nicholas Troast | 32a22d3 | 2016-12-14 16:12:04 -0800 | [diff] [blame] | 3491 | if (msoc >= 100) { |
Nicholas Troast | 1769fd3 | 2016-09-07 09:20:58 -0700 | [diff] [blame] | 3492 | *val = 0; |
| 3493 | return 0; |
| 3494 | } |
| 3495 | |
Nicholas Troast | b8cb40c | 2017-06-21 11:10:40 -0700 | [diff] [blame] | 3496 | if (is_qnovo_en(chip)) |
| 3497 | ttf_mode = TTF_MODE_QNOVO; |
| 3498 | else |
| 3499 | ttf_mode = TTF_MODE_NORMAL; |
| 3500 | |
| 3501 | /* when switching TTF algorithms the TTF needs to be reset */ |
| 3502 | if (chip->ttf.mode != ttf_mode) { |
| 3503 | fg_circ_buf_clr(&chip->ttf.ibatt); |
| 3504 | fg_circ_buf_clr(&chip->ttf.vbatt); |
Nicholas Troast | b8c0b9a | 2017-07-10 13:14:28 -0700 | [diff] [blame] | 3505 | chip->ttf.last_ttf = 0; |
| 3506 | chip->ttf.last_ms = 0; |
Nicholas Troast | b8cb40c | 2017-06-21 11:10:40 -0700 | [diff] [blame] | 3507 | chip->ttf.mode = ttf_mode; |
| 3508 | } |
| 3509 | |
Nicholas Troast | 805c242 | 2017-07-06 14:53:46 -0700 | [diff] [blame] | 3510 | /* at least 10 samples are required to produce a stable IBATT */ |
| 3511 | if (chip->ttf.ibatt.size < 10) { |
| 3512 | *val = -1; |
| 3513 | return 0; |
Nicholas Troast | 1769fd3 | 2016-09-07 09:20:58 -0700 | [diff] [blame] | 3514 | } |
| 3515 | |
Nicholas Troast | 805c242 | 2017-07-06 14:53:46 -0700 | [diff] [blame] | 3516 | rc = fg_circ_buf_median(&chip->ttf.ibatt, &ibatt_avg); |
Nicholas Troast | 1769fd3 | 2016-09-07 09:20:58 -0700 | [diff] [blame] | 3517 | if (rc < 0) { |
Nicholas Troast | 805c242 | 2017-07-06 14:53:46 -0700 | [diff] [blame] | 3518 | pr_err("failed to get IBATT AVG rc=%d\n", rc); |
| 3519 | return rc; |
Nicholas Troast | 1769fd3 | 2016-09-07 09:20:58 -0700 | [diff] [blame] | 3520 | } |
| 3521 | |
Nicholas Troast | 805c242 | 2017-07-06 14:53:46 -0700 | [diff] [blame] | 3522 | rc = fg_circ_buf_median(&chip->ttf.vbatt, &vbatt_avg); |
| 3523 | if (rc < 0) { |
| 3524 | pr_err("failed to get VBATT AVG rc=%d\n", rc); |
| 3525 | return rc; |
| 3526 | } |
Nicholas Troast | 1769fd3 | 2016-09-07 09:20:58 -0700 | [diff] [blame] | 3527 | |
Nicholas Troast | 805c242 | 2017-07-06 14:53:46 -0700 | [diff] [blame] | 3528 | ibatt_avg = -ibatt_avg / MILLI_UNIT; |
| 3529 | vbatt_avg /= MILLI_UNIT; |
| 3530 | |
| 3531 | /* clamp ibatt_avg to iterm */ |
| 3532 | if (ibatt_avg < abs(chip->dt.sys_term_curr_ma)) |
| 3533 | ibatt_avg = abs(chip->dt.sys_term_curr_ma); |
| 3534 | |
Nicholas Troast | 1769fd3 | 2016-09-07 09:20:58 -0700 | [diff] [blame] | 3535 | fg_dbg(chip, FG_TTF, "ibatt_avg=%d\n", ibatt_avg); |
Nicholas Troast | 805c242 | 2017-07-06 14:53:46 -0700 | [diff] [blame] | 3536 | fg_dbg(chip, FG_TTF, "vbatt_avg=%d\n", vbatt_avg); |
Nicholas Troast | 1769fd3 | 2016-09-07 09:20:58 -0700 | [diff] [blame] | 3537 | |
| 3538 | rc = fg_get_battery_resistance(chip, &rbatt); |
| 3539 | if (rc < 0) { |
| 3540 | pr_err("failed to get battery resistance rc=%d\n", rc); |
| 3541 | return rc; |
| 3542 | } |
| 3543 | |
Nicholas Troast | 805c242 | 2017-07-06 14:53:46 -0700 | [diff] [blame] | 3544 | rbatt /= MILLI_UNIT; |
Nicholas Troast | 1769fd3 | 2016-09-07 09:20:58 -0700 | [diff] [blame] | 3545 | fg_dbg(chip, FG_TTF, "rbatt=%d\n", rbatt); |
| 3546 | |
Nicholas Troast | 805c242 | 2017-07-06 14:53:46 -0700 | [diff] [blame] | 3547 | rc = fg_get_sram_prop(chip, FG_SRAM_ACT_BATT_CAP, &act_cap_mah); |
Nicholas Troast | 1769fd3 | 2016-09-07 09:20:58 -0700 | [diff] [blame] | 3548 | if (rc < 0) { |
| 3549 | pr_err("failed to get ACT_BATT_CAP rc=%d\n", rc); |
| 3550 | return rc; |
| 3551 | } |
Nicholas Troast | 1769fd3 | 2016-09-07 09:20:58 -0700 | [diff] [blame] | 3552 | |
Nicholas Troast | 1769fd3 | 2016-09-07 09:20:58 -0700 | [diff] [blame] | 3553 | rc = fg_get_sram_prop(chip, FG_SRAM_FULL_SOC, &full_soc); |
| 3554 | if (rc < 0) { |
| 3555 | pr_err("failed to get full soc rc=%d\n", rc); |
| 3556 | return rc; |
| 3557 | } |
| 3558 | full_soc = DIV_ROUND_CLOSEST(((u16)full_soc >> 8) * FULL_CAPACITY, |
| 3559 | FULL_SOC_RAW); |
Nicholas Troast | 805c242 | 2017-07-06 14:53:46 -0700 | [diff] [blame] | 3560 | act_cap_mah = full_soc * act_cap_mah / 100; |
| 3561 | fg_dbg(chip, FG_TTF, "act_cap_mah=%d\n", act_cap_mah); |
| 3562 | |
| 3563 | /* estimated battery current at the CC to CV transition */ |
| 3564 | switch (chip->ttf.mode) { |
| 3565 | case TTF_MODE_NORMAL: |
| 3566 | i_cc2cv = ibatt_avg * vbatt_avg / |
| 3567 | max(MILLI_UNIT, chip->bp.float_volt_uv / MILLI_UNIT); |
| 3568 | break; |
Nicholas Troast | b8cb40c | 2017-06-21 11:10:40 -0700 | [diff] [blame] | 3569 | case TTF_MODE_QNOVO: |
| 3570 | i_cc2cv = min( |
| 3571 | chip->ttf.cc_step.arr[MAX_CC_STEPS - 1] / MILLI_UNIT, |
| 3572 | ibatt_avg * vbatt_avg / |
| 3573 | max(MILLI_UNIT, chip->bp.float_volt_uv / MILLI_UNIT)); |
| 3574 | break; |
Nicholas Troast | 805c242 | 2017-07-06 14:53:46 -0700 | [diff] [blame] | 3575 | default: |
| 3576 | pr_err("TTF mode %d is not supported\n", chip->ttf.mode); |
| 3577 | break; |
| 3578 | } |
| 3579 | fg_dbg(chip, FG_TTF, "i_cc2cv=%d\n", i_cc2cv); |
Nicholas Troast | 1769fd3 | 2016-09-07 09:20:58 -0700 | [diff] [blame] | 3580 | |
| 3581 | /* if we are already in CV state then we can skip estimating CC */ |
| 3582 | if (chip->charge_type == POWER_SUPPLY_CHARGE_TYPE_TAPER) |
Nicholas Troast | 805c242 | 2017-07-06 14:53:46 -0700 | [diff] [blame] | 3583 | goto cv_estimate; |
Nicholas Troast | 1769fd3 | 2016-09-07 09:20:58 -0700 | [diff] [blame] | 3584 | |
Nicholas Troast | 1769fd3 | 2016-09-07 09:20:58 -0700 | [diff] [blame] | 3585 | /* estimated SOC at the CC to CV transition */ |
Nicholas Troast | 805c242 | 2017-07-06 14:53:46 -0700 | [diff] [blame] | 3586 | soc_cc2cv = DIV_ROUND_CLOSEST(rbatt * i_cc2cv, OCV_SLOPE_UV); |
Nicholas Troast | 1769fd3 | 2016-09-07 09:20:58 -0700 | [diff] [blame] | 3587 | soc_cc2cv = 100 - soc_cc2cv; |
| 3588 | fg_dbg(chip, FG_TTF, "soc_cc2cv=%d\n", soc_cc2cv); |
| 3589 | |
Nicholas Troast | 805c242 | 2017-07-06 14:53:46 -0700 | [diff] [blame] | 3590 | switch (chip->ttf.mode) { |
| 3591 | case TTF_MODE_NORMAL: |
| 3592 | if (soc_cc2cv - msoc <= 0) |
| 3593 | goto cv_estimate; |
Nicholas Troast | 1769fd3 | 2016-09-07 09:20:58 -0700 | [diff] [blame] | 3594 | |
Nicholas Troast | 805c242 | 2017-07-06 14:53:46 -0700 | [diff] [blame] | 3595 | divisor = max(100, (ibatt_avg + i_cc2cv) / 2 * 100); |
| 3596 | t_predicted = div_s64((s64)act_cap_mah * (soc_cc2cv - msoc) * |
| 3597 | HOURS_TO_SECONDS, divisor); |
| 3598 | break; |
Nicholas Troast | b8cb40c | 2017-06-21 11:10:40 -0700 | [diff] [blame] | 3599 | case TTF_MODE_QNOVO: |
| 3600 | soc_per_step = 100 / MAX_CC_STEPS; |
| 3601 | for (i = msoc / soc_per_step; i < MAX_CC_STEPS - 1; ++i) { |
| 3602 | msoc_next_step = (i + 1) * soc_per_step; |
| 3603 | if (i == msoc / soc_per_step) |
| 3604 | msoc_this_step = msoc; |
| 3605 | else |
| 3606 | msoc_this_step = i * soc_per_step; |
| 3607 | |
| 3608 | /* scale ibatt by 85% to account for discharge pulses */ |
| 3609 | ibatt_this_step = min( |
| 3610 | chip->ttf.cc_step.arr[i] / MILLI_UNIT, |
| 3611 | ibatt_avg) * 85 / 100; |
| 3612 | divisor = max(100, ibatt_this_step * 100); |
| 3613 | t_predicted_this_step = div_s64((s64)act_cap_mah * |
| 3614 | (msoc_next_step - msoc_this_step) * |
| 3615 | HOURS_TO_SECONDS, divisor); |
| 3616 | t_predicted += t_predicted_this_step; |
| 3617 | fg_dbg(chip, FG_TTF, "[%d, %d] ma=%d t=%d\n", |
| 3618 | msoc_this_step, msoc_next_step, |
| 3619 | ibatt_this_step, t_predicted_this_step); |
| 3620 | } |
| 3621 | break; |
Nicholas Troast | 805c242 | 2017-07-06 14:53:46 -0700 | [diff] [blame] | 3622 | default: |
| 3623 | pr_err("TTF mode %d is not supported\n", chip->ttf.mode); |
| 3624 | break; |
| 3625 | } |
Nicholas Troast | 1769fd3 | 2016-09-07 09:20:58 -0700 | [diff] [blame] | 3626 | |
Nicholas Troast | 805c242 | 2017-07-06 14:53:46 -0700 | [diff] [blame] | 3627 | cv_estimate: |
| 3628 | fg_dbg(chip, FG_TTF, "t_predicted_cc=%d\n", t_predicted); |
Nicholas Troast | 1769fd3 | 2016-09-07 09:20:58 -0700 | [diff] [blame] | 3629 | |
Nicholas Troast | 805c242 | 2017-07-06 14:53:46 -0700 | [diff] [blame] | 3630 | iterm = max(100, abs(chip->dt.sys_term_curr_ma) + 200); |
| 3631 | fg_dbg(chip, FG_TTF, "iterm=%d\n", iterm); |
| 3632 | |
| 3633 | if (chip->charge_type == POWER_SUPPLY_CHARGE_TYPE_TAPER) |
| 3634 | tau = max(MILLI_UNIT, ibatt_avg * MILLI_UNIT / iterm); |
Nicholas Troast | 1769fd3 | 2016-09-07 09:20:58 -0700 | [diff] [blame] | 3635 | else |
Nicholas Troast | 805c242 | 2017-07-06 14:53:46 -0700 | [diff] [blame] | 3636 | tau = max(MILLI_UNIT, i_cc2cv * MILLI_UNIT / iterm); |
Nicholas Troast | de5d42f | 2017-01-20 16:47:31 -0800 | [diff] [blame] | 3637 | |
Nicholas Troast | 805c242 | 2017-07-06 14:53:46 -0700 | [diff] [blame] | 3638 | rc = fg_lerp(fg_ln_table, ARRAY_SIZE(fg_ln_table), tau, &tau); |
| 3639 | if (rc < 0) { |
| 3640 | pr_err("failed to interpolate tau rc=%d\n", rc); |
| 3641 | return rc; |
| 3642 | } |
Nicholas Troast | 1769fd3 | 2016-09-07 09:20:58 -0700 | [diff] [blame] | 3643 | |
Nicholas Troast | 805c242 | 2017-07-06 14:53:46 -0700 | [diff] [blame] | 3644 | /* tau is scaled linearly from 95% to 100% SOC */ |
| 3645 | if (msoc >= 95) |
| 3646 | tau = tau * 2 * (100 - msoc) / 10; |
| 3647 | |
| 3648 | fg_dbg(chip, FG_TTF, "tau=%d\n", tau); |
| 3649 | t_predicted_cv = div_s64((s64)act_cap_mah * rbatt * tau * |
| 3650 | HOURS_TO_SECONDS, NANO_UNIT); |
| 3651 | fg_dbg(chip, FG_TTF, "t_predicted_cv=%d\n", t_predicted_cv); |
| 3652 | t_predicted += t_predicted_cv; |
| 3653 | |
Nicholas Troast | b8c0b9a | 2017-07-10 13:14:28 -0700 | [diff] [blame] | 3654 | fg_dbg(chip, FG_TTF, "t_predicted_prefilter=%d\n", t_predicted); |
| 3655 | if (chip->ttf.last_ms != 0) { |
| 3656 | delta_ms = ktime_ms_delta(ktime_get_boottime(), |
| 3657 | ms_to_ktime(chip->ttf.last_ms)); |
| 3658 | if (delta_ms > 10000) { |
| 3659 | ttf_slope = div64_s64( |
| 3660 | (s64)(t_predicted - chip->ttf.last_ttf) * |
| 3661 | MICRO_UNIT, delta_ms); |
| 3662 | if (ttf_slope > -100) |
| 3663 | ttf_slope = -100; |
| 3664 | else if (ttf_slope < -2000) |
| 3665 | ttf_slope = -2000; |
| 3666 | |
| 3667 | t_predicted = div_s64( |
| 3668 | (s64)ttf_slope * delta_ms, MICRO_UNIT) + |
| 3669 | chip->ttf.last_ttf; |
| 3670 | fg_dbg(chip, FG_TTF, "ttf_slope=%d\n", ttf_slope); |
| 3671 | } else { |
| 3672 | t_predicted = chip->ttf.last_ttf; |
| 3673 | } |
| 3674 | } |
| 3675 | |
Nicholas Troast | 805c242 | 2017-07-06 14:53:46 -0700 | [diff] [blame] | 3676 | /* clamp the ttf to 0 */ |
| 3677 | if (t_predicted < 0) |
| 3678 | t_predicted = 0; |
| 3679 | |
Nicholas Troast | b8c0b9a | 2017-07-10 13:14:28 -0700 | [diff] [blame] | 3680 | fg_dbg(chip, FG_TTF, "t_predicted_postfilter=%d\n", t_predicted); |
Nicholas Troast | 805c242 | 2017-07-06 14:53:46 -0700 | [diff] [blame] | 3681 | *val = t_predicted; |
Nicholas Troast | 1769fd3 | 2016-09-07 09:20:58 -0700 | [diff] [blame] | 3682 | return 0; |
| 3683 | } |
| 3684 | |
Nicholas Troast | 805c242 | 2017-07-06 14:53:46 -0700 | [diff] [blame] | 3685 | static int fg_get_time_to_full(struct fg_chip *chip, int *val) |
| 3686 | { |
| 3687 | int rc; |
| 3688 | |
| 3689 | mutex_lock(&chip->ttf.lock); |
| 3690 | rc = fg_get_time_to_full_locked(chip, val); |
| 3691 | mutex_unlock(&chip->ttf.lock); |
| 3692 | return rc; |
| 3693 | } |
| 3694 | |
Nicholas Troast | 1769fd3 | 2016-09-07 09:20:58 -0700 | [diff] [blame] | 3695 | #define CENTI_ICORRECT_C0 105 |
| 3696 | #define CENTI_ICORRECT_C1 20 |
| 3697 | static int fg_get_time_to_empty(struct fg_chip *chip, int *val) |
| 3698 | { |
Nicholas Troast | 805c242 | 2017-07-06 14:53:46 -0700 | [diff] [blame] | 3699 | int rc, ibatt_avg, msoc, full_soc, act_cap_mah, divisor; |
Nicholas Troast | 1769fd3 | 2016-09-07 09:20:58 -0700 | [diff] [blame] | 3700 | |
Umang Chheda | 1431147 | 2020-01-23 14:57:00 +0530 | [diff] [blame] | 3701 | mutex_lock(&chip->ttf.lock); |
Nicholas Troast | 805c242 | 2017-07-06 14:53:46 -0700 | [diff] [blame] | 3702 | rc = fg_circ_buf_median(&chip->ttf.ibatt, &ibatt_avg); |
Nicholas Troast | 1769fd3 | 2016-09-07 09:20:58 -0700 | [diff] [blame] | 3703 | if (rc < 0) { |
| 3704 | /* try to get instantaneous current */ |
| 3705 | rc = fg_get_battery_current(chip, &ibatt_avg); |
| 3706 | if (rc < 0) { |
| 3707 | pr_err("failed to get battery current, rc=%d\n", rc); |
Umang Chheda | 1431147 | 2020-01-23 14:57:00 +0530 | [diff] [blame] | 3708 | mutex_unlock(&chip->ttf.lock); |
Nicholas Troast | 1769fd3 | 2016-09-07 09:20:58 -0700 | [diff] [blame] | 3709 | return rc; |
| 3710 | } |
| 3711 | } |
Umang Chheda | 1431147 | 2020-01-23 14:57:00 +0530 | [diff] [blame] | 3712 | mutex_unlock(&chip->ttf.lock); |
Nicholas Troast | 1769fd3 | 2016-09-07 09:20:58 -0700 | [diff] [blame] | 3713 | |
Nicholas Troast | 805c242 | 2017-07-06 14:53:46 -0700 | [diff] [blame] | 3714 | ibatt_avg /= MILLI_UNIT; |
| 3715 | /* clamp ibatt_avg to 100mA */ |
| 3716 | if (ibatt_avg < 100) |
| 3717 | ibatt_avg = 100; |
Nicholas Troast | 1769fd3 | 2016-09-07 09:20:58 -0700 | [diff] [blame] | 3718 | |
| 3719 | rc = fg_get_prop_capacity(chip, &msoc); |
| 3720 | if (rc < 0) { |
| 3721 | pr_err("Error in getting capacity, rc=%d\n", rc); |
| 3722 | return rc; |
| 3723 | } |
| 3724 | |
Nicholas Troast | 805c242 | 2017-07-06 14:53:46 -0700 | [diff] [blame] | 3725 | rc = fg_get_sram_prop(chip, FG_SRAM_ACT_BATT_CAP, &act_cap_mah); |
| 3726 | if (rc < 0) { |
| 3727 | pr_err("Error in getting ACT_BATT_CAP, rc=%d\n", rc); |
| 3728 | return rc; |
| 3729 | } |
Nicholas Troast | 1769fd3 | 2016-09-07 09:20:58 -0700 | [diff] [blame] | 3730 | |
Nicholas Troast | 805c242 | 2017-07-06 14:53:46 -0700 | [diff] [blame] | 3731 | rc = fg_get_sram_prop(chip, FG_SRAM_FULL_SOC, &full_soc); |
| 3732 | if (rc < 0) { |
| 3733 | pr_err("failed to get full soc rc=%d\n", rc); |
| 3734 | return rc; |
| 3735 | } |
| 3736 | full_soc = DIV_ROUND_CLOSEST(((u16)full_soc >> 8) * FULL_CAPACITY, |
| 3737 | FULL_SOC_RAW); |
| 3738 | act_cap_mah = full_soc * act_cap_mah / 100; |
| 3739 | |
| 3740 | divisor = CENTI_ICORRECT_C0 * 100 + CENTI_ICORRECT_C1 * msoc; |
| 3741 | divisor = ibatt_avg * divisor / 100; |
| 3742 | divisor = max(100, divisor); |
| 3743 | *val = act_cap_mah * msoc * HOURS_TO_SECONDS / divisor; |
Nicholas Troast | 1769fd3 | 2016-09-07 09:20:58 -0700 | [diff] [blame] | 3744 | return 0; |
| 3745 | } |
| 3746 | |
Subbaraman Narayanamurthy | 03f7d45 | 2017-01-06 15:47:24 -0800 | [diff] [blame] | 3747 | static int fg_update_maint_soc(struct fg_chip *chip) |
| 3748 | { |
| 3749 | int rc = 0, msoc; |
| 3750 | |
Subbaraman Narayanamurthy | 50fb7fd | 2017-07-25 20:01:25 -0700 | [diff] [blame] | 3751 | if (!chip->dt.linearize_soc) |
| 3752 | return 0; |
| 3753 | |
Subbaraman Narayanamurthy | 03f7d45 | 2017-01-06 15:47:24 -0800 | [diff] [blame] | 3754 | mutex_lock(&chip->charge_full_lock); |
| 3755 | if (chip->delta_soc <= 0) |
| 3756 | goto out; |
| 3757 | |
| 3758 | rc = fg_get_msoc(chip, &msoc); |
| 3759 | if (rc < 0) { |
| 3760 | pr_err("Error in getting msoc, rc=%d\n", rc); |
| 3761 | goto out; |
| 3762 | } |
| 3763 | |
| 3764 | if (msoc > chip->maint_soc) { |
| 3765 | /* |
| 3766 | * When the monotonic SOC goes above maintenance SOC, we should |
| 3767 | * stop showing the maintenance SOC. |
| 3768 | */ |
| 3769 | chip->delta_soc = 0; |
| 3770 | chip->maint_soc = 0; |
| 3771 | } else if (msoc <= chip->last_msoc) { |
| 3772 | /* MSOC is decreasing. Decrease maintenance SOC as well */ |
| 3773 | chip->maint_soc -= 1; |
| 3774 | if (!(msoc % 10)) { |
| 3775 | /* |
| 3776 | * Reduce the maintenance SOC additionally by 1 whenever |
| 3777 | * it crosses a SOC multiple of 10. |
| 3778 | */ |
| 3779 | chip->maint_soc -= 1; |
| 3780 | chip->delta_soc -= 1; |
| 3781 | } |
| 3782 | } |
| 3783 | |
| 3784 | fg_dbg(chip, FG_IRQ, "msoc: %d last_msoc: %d maint_soc: %d delta_soc: %d\n", |
| 3785 | msoc, chip->last_msoc, chip->maint_soc, chip->delta_soc); |
| 3786 | chip->last_msoc = msoc; |
| 3787 | out: |
| 3788 | mutex_unlock(&chip->charge_full_lock); |
| 3789 | return rc; |
| 3790 | } |
| 3791 | |
Subbaraman Narayanamurthy | dcfc866 | 2017-02-24 16:04:46 -0800 | [diff] [blame] | 3792 | static int fg_esr_validate(struct fg_chip *chip) |
| 3793 | { |
| 3794 | int rc, esr_uohms; |
| 3795 | u8 buf[2]; |
| 3796 | |
| 3797 | if (chip->dt.esr_clamp_mohms <= 0) |
| 3798 | return 0; |
| 3799 | |
| 3800 | rc = fg_get_sram_prop(chip, FG_SRAM_ESR, &esr_uohms); |
| 3801 | if (rc < 0) { |
| 3802 | pr_err("failed to get ESR, rc=%d\n", rc); |
| 3803 | return rc; |
| 3804 | } |
| 3805 | |
| 3806 | if (esr_uohms >= chip->dt.esr_clamp_mohms * 1000) { |
| 3807 | pr_debug("ESR %d is > ESR_clamp\n", esr_uohms); |
| 3808 | return 0; |
| 3809 | } |
| 3810 | |
| 3811 | esr_uohms = chip->dt.esr_clamp_mohms * 1000; |
| 3812 | fg_encode(chip->sp, FG_SRAM_ESR, esr_uohms, buf); |
| 3813 | rc = fg_sram_write(chip, chip->sp[FG_SRAM_ESR].addr_word, |
| 3814 | chip->sp[FG_SRAM_ESR].addr_byte, buf, |
| 3815 | chip->sp[FG_SRAM_ESR].len, FG_IMA_DEFAULT); |
| 3816 | if (rc < 0) { |
| 3817 | pr_err("Error in writing ESR, rc=%d\n", rc); |
| 3818 | return rc; |
| 3819 | } |
| 3820 | |
| 3821 | fg_dbg(chip, FG_STATUS, "ESR clamped to %duOhms\n", esr_uohms); |
| 3822 | return 0; |
| 3823 | } |
| 3824 | |
Abhijeet Dharmapurikar | d29bc60 | 2017-07-06 18:45:32 -0700 | [diff] [blame] | 3825 | static int fg_force_esr_meas(struct fg_chip *chip) |
| 3826 | { |
| 3827 | int rc; |
| 3828 | int esr_uohms; |
| 3829 | |
Subbaraman Narayanamurthy | 3fbcbe9 | 2017-09-12 20:19:17 -0700 | [diff] [blame] | 3830 | mutex_lock(&chip->qnovo_esr_ctrl_lock); |
Abhijeet Dharmapurikar | d29bc60 | 2017-07-06 18:45:32 -0700 | [diff] [blame] | 3831 | /* force esr extraction enable */ |
| 3832 | rc = fg_sram_masked_write(chip, ESR_EXTRACTION_ENABLE_WORD, |
| 3833 | ESR_EXTRACTION_ENABLE_OFFSET, BIT(0), BIT(0), |
| 3834 | FG_IMA_DEFAULT); |
| 3835 | if (rc < 0) { |
| 3836 | pr_err("failed to enable esr extn rc=%d\n", rc); |
Subbaraman Narayanamurthy | 3fbcbe9 | 2017-09-12 20:19:17 -0700 | [diff] [blame] | 3837 | goto out; |
Abhijeet Dharmapurikar | d29bc60 | 2017-07-06 18:45:32 -0700 | [diff] [blame] | 3838 | } |
| 3839 | |
| 3840 | rc = fg_masked_write(chip, BATT_INFO_QNOVO_CFG(chip), |
| 3841 | LD_REG_CTRL_BIT, 0); |
| 3842 | if (rc < 0) { |
| 3843 | pr_err("Error in configuring qnovo_cfg rc=%d\n", rc); |
Subbaraman Narayanamurthy | 3fbcbe9 | 2017-09-12 20:19:17 -0700 | [diff] [blame] | 3844 | goto out; |
Abhijeet Dharmapurikar | d29bc60 | 2017-07-06 18:45:32 -0700 | [diff] [blame] | 3845 | } |
| 3846 | |
| 3847 | rc = fg_masked_write(chip, BATT_INFO_TM_MISC1(chip), |
| 3848 | ESR_REQ_CTL_BIT | ESR_REQ_CTL_EN_BIT, |
| 3849 | ESR_REQ_CTL_BIT | ESR_REQ_CTL_EN_BIT); |
| 3850 | if (rc < 0) { |
| 3851 | pr_err("Error in configuring force ESR rc=%d\n", rc); |
Subbaraman Narayanamurthy | 3fbcbe9 | 2017-09-12 20:19:17 -0700 | [diff] [blame] | 3852 | goto out; |
Abhijeet Dharmapurikar | d29bc60 | 2017-07-06 18:45:32 -0700 | [diff] [blame] | 3853 | } |
| 3854 | |
Subbaraman Narayanamurthy | 3fbcbe9 | 2017-09-12 20:19:17 -0700 | [diff] [blame] | 3855 | /* |
| 3856 | * Release and grab the lock again after 1.5 seconds so that prepare |
| 3857 | * callback can succeed if the request comes in between. |
| 3858 | */ |
| 3859 | mutex_unlock(&chip->qnovo_esr_ctrl_lock); |
| 3860 | |
Abhijeet Dharmapurikar | d29bc60 | 2017-07-06 18:45:32 -0700 | [diff] [blame] | 3861 | /* wait 1.5 seconds for hw to measure ESR */ |
| 3862 | msleep(1500); |
Subbaraman Narayanamurthy | 3fbcbe9 | 2017-09-12 20:19:17 -0700 | [diff] [blame] | 3863 | |
| 3864 | mutex_lock(&chip->qnovo_esr_ctrl_lock); |
Abhijeet Dharmapurikar | d29bc60 | 2017-07-06 18:45:32 -0700 | [diff] [blame] | 3865 | rc = fg_masked_write(chip, BATT_INFO_TM_MISC1(chip), |
| 3866 | ESR_REQ_CTL_BIT | ESR_REQ_CTL_EN_BIT, |
| 3867 | 0); |
| 3868 | if (rc < 0) { |
| 3869 | pr_err("Error in restoring force ESR rc=%d\n", rc); |
Subbaraman Narayanamurthy | 3fbcbe9 | 2017-09-12 20:19:17 -0700 | [diff] [blame] | 3870 | goto out; |
Abhijeet Dharmapurikar | d29bc60 | 2017-07-06 18:45:32 -0700 | [diff] [blame] | 3871 | } |
| 3872 | |
Subbaraman Narayanamurthy | 3fbcbe9 | 2017-09-12 20:19:17 -0700 | [diff] [blame] | 3873 | /* If qnovo is disabled, then leave ESR extraction enabled */ |
| 3874 | if (!chip->qnovo_enable) |
| 3875 | goto done; |
| 3876 | |
Abhijeet Dharmapurikar | d29bc60 | 2017-07-06 18:45:32 -0700 | [diff] [blame] | 3877 | rc = fg_masked_write(chip, BATT_INFO_QNOVO_CFG(chip), |
| 3878 | LD_REG_CTRL_BIT, LD_REG_CTRL_BIT); |
| 3879 | if (rc < 0) { |
| 3880 | pr_err("Error in restoring qnovo_cfg rc=%d\n", rc); |
Subbaraman Narayanamurthy | 3fbcbe9 | 2017-09-12 20:19:17 -0700 | [diff] [blame] | 3881 | goto out; |
Abhijeet Dharmapurikar | d29bc60 | 2017-07-06 18:45:32 -0700 | [diff] [blame] | 3882 | } |
| 3883 | |
| 3884 | /* force esr extraction disable */ |
| 3885 | rc = fg_sram_masked_write(chip, ESR_EXTRACTION_ENABLE_WORD, |
| 3886 | ESR_EXTRACTION_ENABLE_OFFSET, BIT(0), 0, |
| 3887 | FG_IMA_DEFAULT); |
| 3888 | if (rc < 0) { |
| 3889 | pr_err("failed to disable esr extn rc=%d\n", rc); |
Subbaraman Narayanamurthy | 3fbcbe9 | 2017-09-12 20:19:17 -0700 | [diff] [blame] | 3890 | goto out; |
Abhijeet Dharmapurikar | d29bc60 | 2017-07-06 18:45:32 -0700 | [diff] [blame] | 3891 | } |
| 3892 | |
Subbaraman Narayanamurthy | 3fbcbe9 | 2017-09-12 20:19:17 -0700 | [diff] [blame] | 3893 | done: |
Abhijeet Dharmapurikar | d29bc60 | 2017-07-06 18:45:32 -0700 | [diff] [blame] | 3894 | fg_get_battery_resistance(chip, &esr_uohms); |
| 3895 | fg_dbg(chip, FG_STATUS, "ESR uohms = %d\n", esr_uohms); |
Subbaraman Narayanamurthy | 3fbcbe9 | 2017-09-12 20:19:17 -0700 | [diff] [blame] | 3896 | out: |
| 3897 | mutex_unlock(&chip->qnovo_esr_ctrl_lock); |
Abhijeet Dharmapurikar | d29bc60 | 2017-07-06 18:45:32 -0700 | [diff] [blame] | 3898 | return rc; |
| 3899 | } |
| 3900 | |
| 3901 | static int fg_prepare_for_qnovo(struct fg_chip *chip, int qnovo_enable) |
| 3902 | { |
Subbaraman Narayanamurthy | 3fbcbe9 | 2017-09-12 20:19:17 -0700 | [diff] [blame] | 3903 | int rc = 0; |
Abhijeet Dharmapurikar | d29bc60 | 2017-07-06 18:45:32 -0700 | [diff] [blame] | 3904 | |
Subbaraman Narayanamurthy | 3fbcbe9 | 2017-09-12 20:19:17 -0700 | [diff] [blame] | 3905 | mutex_lock(&chip->qnovo_esr_ctrl_lock); |
Abhijeet Dharmapurikar | d29bc60 | 2017-07-06 18:45:32 -0700 | [diff] [blame] | 3906 | /* force esr extraction disable when qnovo enables */ |
| 3907 | rc = fg_sram_masked_write(chip, ESR_EXTRACTION_ENABLE_WORD, |
| 3908 | ESR_EXTRACTION_ENABLE_OFFSET, |
| 3909 | BIT(0), qnovo_enable ? 0 : BIT(0), |
| 3910 | FG_IMA_DEFAULT); |
Subbaraman Narayanamurthy | 3fbcbe9 | 2017-09-12 20:19:17 -0700 | [diff] [blame] | 3911 | if (rc < 0) { |
Abhijeet Dharmapurikar | d29bc60 | 2017-07-06 18:45:32 -0700 | [diff] [blame] | 3912 | pr_err("Error in configuring esr extraction rc=%d\n", rc); |
Subbaraman Narayanamurthy | 3fbcbe9 | 2017-09-12 20:19:17 -0700 | [diff] [blame] | 3913 | goto out; |
| 3914 | } |
Abhijeet Dharmapurikar | d29bc60 | 2017-07-06 18:45:32 -0700 | [diff] [blame] | 3915 | |
| 3916 | rc = fg_masked_write(chip, BATT_INFO_QNOVO_CFG(chip), |
| 3917 | LD_REG_CTRL_BIT, |
| 3918 | qnovo_enable ? LD_REG_CTRL_BIT : 0); |
| 3919 | if (rc < 0) { |
| 3920 | pr_err("Error in configuring qnovo_cfg rc=%d\n", rc); |
Subbaraman Narayanamurthy | 3fbcbe9 | 2017-09-12 20:19:17 -0700 | [diff] [blame] | 3921 | goto out; |
Abhijeet Dharmapurikar | d29bc60 | 2017-07-06 18:45:32 -0700 | [diff] [blame] | 3922 | } |
Subbaraman Narayanamurthy | 3fbcbe9 | 2017-09-12 20:19:17 -0700 | [diff] [blame] | 3923 | |
| 3924 | fg_dbg(chip, FG_STATUS, "%s for Qnovo\n", |
| 3925 | qnovo_enable ? "Prepared" : "Unprepared"); |
| 3926 | chip->qnovo_enable = qnovo_enable; |
| 3927 | out: |
| 3928 | mutex_unlock(&chip->qnovo_esr_ctrl_lock); |
| 3929 | return rc; |
Abhijeet Dharmapurikar | d29bc60 | 2017-07-06 18:45:32 -0700 | [diff] [blame] | 3930 | } |
Nicholas Troast | 805c242 | 2017-07-06 14:53:46 -0700 | [diff] [blame] | 3931 | |
| 3932 | static void ttf_work(struct work_struct *work) |
| 3933 | { |
| 3934 | struct fg_chip *chip = container_of(work, struct fg_chip, |
| 3935 | ttf_work.work); |
| 3936 | int rc, ibatt_now, vbatt_now, ttf; |
Nicholas Troast | b8c0b9a | 2017-07-10 13:14:28 -0700 | [diff] [blame] | 3937 | ktime_t ktime_now; |
Nicholas Troast | 805c242 | 2017-07-06 14:53:46 -0700 | [diff] [blame] | 3938 | |
| 3939 | mutex_lock(&chip->ttf.lock); |
| 3940 | if (chip->charge_status != POWER_SUPPLY_STATUS_CHARGING && |
| 3941 | chip->charge_status != POWER_SUPPLY_STATUS_DISCHARGING) |
| 3942 | goto end_work; |
| 3943 | |
| 3944 | rc = fg_get_battery_current(chip, &ibatt_now); |
| 3945 | if (rc < 0) { |
| 3946 | pr_err("failed to get battery current, rc=%d\n", rc); |
| 3947 | goto end_work; |
| 3948 | } |
| 3949 | |
| 3950 | rc = fg_get_battery_voltage(chip, &vbatt_now); |
| 3951 | if (rc < 0) { |
| 3952 | pr_err("failed to get battery voltage, rc=%d\n", rc); |
| 3953 | goto end_work; |
| 3954 | } |
| 3955 | |
| 3956 | fg_circ_buf_add(&chip->ttf.ibatt, ibatt_now); |
| 3957 | fg_circ_buf_add(&chip->ttf.vbatt, vbatt_now); |
| 3958 | |
| 3959 | if (chip->charge_status == POWER_SUPPLY_STATUS_CHARGING) { |
| 3960 | rc = fg_get_time_to_full_locked(chip, &ttf); |
| 3961 | if (rc < 0) { |
| 3962 | pr_err("failed to get ttf, rc=%d\n", rc); |
| 3963 | goto end_work; |
| 3964 | } |
| 3965 | |
| 3966 | /* keep the wake lock and prime the IBATT and VBATT buffers */ |
| 3967 | if (ttf < 0) { |
| 3968 | /* delay for one FG cycle */ |
| 3969 | schedule_delayed_work(&chip->ttf_work, |
| 3970 | msecs_to_jiffies(1500)); |
| 3971 | mutex_unlock(&chip->ttf.lock); |
| 3972 | return; |
| 3973 | } |
Nicholas Troast | b8c0b9a | 2017-07-10 13:14:28 -0700 | [diff] [blame] | 3974 | |
| 3975 | /* update the TTF reference point every minute */ |
| 3976 | ktime_now = ktime_get_boottime(); |
| 3977 | if (ktime_ms_delta(ktime_now, |
| 3978 | ms_to_ktime(chip->ttf.last_ms)) > 60000 || |
| 3979 | chip->ttf.last_ms == 0) { |
| 3980 | chip->ttf.last_ttf = ttf; |
| 3981 | chip->ttf.last_ms = ktime_to_ms(ktime_now); |
| 3982 | } |
Nicholas Troast | 805c242 | 2017-07-06 14:53:46 -0700 | [diff] [blame] | 3983 | } |
| 3984 | |
| 3985 | /* recurse every 10 seconds */ |
| 3986 | schedule_delayed_work(&chip->ttf_work, msecs_to_jiffies(10000)); |
| 3987 | end_work: |
| 3988 | vote(chip->awake_votable, TTF_PRIMING, false, 0); |
| 3989 | mutex_unlock(&chip->ttf.lock); |
| 3990 | } |
| 3991 | |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 3992 | /* PSY CALLBACKS STAY HERE */ |
| 3993 | |
| 3994 | static int fg_psy_get_property(struct power_supply *psy, |
| 3995 | enum power_supply_property psp, |
| 3996 | union power_supply_propval *pval) |
| 3997 | { |
| 3998 | struct fg_chip *chip = power_supply_get_drvdata(psy); |
| 3999 | int rc = 0; |
| 4000 | |
| 4001 | switch (psp) { |
| 4002 | case POWER_SUPPLY_PROP_CAPACITY: |
Subbaraman Narayanamurthy | e55a6aa | 2017-01-24 18:45:14 -0800 | [diff] [blame] | 4003 | rc = fg_get_prop_capacity(chip, &pval->intval); |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 4004 | break; |
Subbaraman Narayanamurthy | 50fb7fd | 2017-07-25 20:01:25 -0700 | [diff] [blame] | 4005 | case POWER_SUPPLY_PROP_CAPACITY_RAW: |
| 4006 | rc = fg_get_msoc_raw(chip, &pval->intval); |
| 4007 | break; |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 4008 | case POWER_SUPPLY_PROP_VOLTAGE_NOW: |
Subbaraman Narayanamurthy | e55a6aa | 2017-01-24 18:45:14 -0800 | [diff] [blame] | 4009 | if (chip->battery_missing) |
| 4010 | pval->intval = 3700000; |
| 4011 | else |
| 4012 | rc = fg_get_battery_voltage(chip, &pval->intval); |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 4013 | break; |
| 4014 | case POWER_SUPPLY_PROP_CURRENT_NOW: |
| 4015 | rc = fg_get_battery_current(chip, &pval->intval); |
| 4016 | break; |
| 4017 | case POWER_SUPPLY_PROP_TEMP: |
| 4018 | rc = fg_get_battery_temp(chip, &pval->intval); |
| 4019 | break; |
Subbaraman Narayanamurthy | edff890 | 2017-08-11 19:24:24 -0700 | [diff] [blame] | 4020 | case POWER_SUPPLY_PROP_COLD_TEMP: |
| 4021 | rc = fg_get_jeita_threshold(chip, JEITA_COLD, &pval->intval); |
| 4022 | if (rc < 0) { |
| 4023 | pr_err("Error in reading jeita_cold, rc=%d\n", rc); |
| 4024 | return rc; |
| 4025 | } |
| 4026 | break; |
| 4027 | case POWER_SUPPLY_PROP_COOL_TEMP: |
| 4028 | rc = fg_get_jeita_threshold(chip, JEITA_COOL, &pval->intval); |
| 4029 | if (rc < 0) { |
| 4030 | pr_err("Error in reading jeita_cool, rc=%d\n", rc); |
| 4031 | return rc; |
| 4032 | } |
| 4033 | break; |
| 4034 | case POWER_SUPPLY_PROP_WARM_TEMP: |
| 4035 | rc = fg_get_jeita_threshold(chip, JEITA_WARM, &pval->intval); |
| 4036 | if (rc < 0) { |
| 4037 | pr_err("Error in reading jeita_warm, rc=%d\n", rc); |
| 4038 | return rc; |
| 4039 | } |
| 4040 | break; |
| 4041 | case POWER_SUPPLY_PROP_HOT_TEMP: |
| 4042 | rc = fg_get_jeita_threshold(chip, JEITA_HOT, &pval->intval); |
| 4043 | if (rc < 0) { |
| 4044 | pr_err("Error in reading jeita_hot, rc=%d\n", rc); |
| 4045 | return rc; |
| 4046 | } |
| 4047 | break; |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 4048 | case POWER_SUPPLY_PROP_RESISTANCE: |
| 4049 | rc = fg_get_battery_resistance(chip, &pval->intval); |
| 4050 | break; |
| 4051 | case POWER_SUPPLY_PROP_VOLTAGE_OCV: |
| 4052 | rc = fg_get_sram_prop(chip, FG_SRAM_OCV, &pval->intval); |
| 4053 | break; |
| 4054 | case POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN: |
Subbaraman Narayanamurthy | 07be919 | 2016-09-14 14:48:49 -0700 | [diff] [blame] | 4055 | pval->intval = chip->cl.nom_cap_uah; |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 4056 | break; |
| 4057 | case POWER_SUPPLY_PROP_RESISTANCE_ID: |
Subbaraman Narayanamurthy | 76cce8d | 2016-12-22 15:09:38 -0800 | [diff] [blame] | 4058 | pval->intval = chip->batt_id_ohms; |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 4059 | break; |
| 4060 | case POWER_SUPPLY_PROP_BATTERY_TYPE: |
| 4061 | pval->strval = fg_get_battery_type(chip); |
| 4062 | break; |
Abhijeet Dharmapurikar | 3d8b226 | 2016-08-25 13:50:42 -0700 | [diff] [blame] | 4063 | case POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN: |
| 4064 | pval->intval = chip->bp.float_volt_uv; |
Subbaraman Narayanamurthy | a6b1fd8 | 2016-10-17 20:08:59 -0700 | [diff] [blame] | 4065 | break; |
Vamshi Krishna B V | 5662340 | 2018-09-19 11:56:07 +0530 | [diff] [blame] | 4066 | case POWER_SUPPLY_PROP_CYCLE_COUNT: |
| 4067 | pval->intval = fg_get_cycle_count(chip); |
| 4068 | break; |
Subbaraman Narayanamurthy | fb4239c | 2018-02-02 15:35:44 -0800 | [diff] [blame] | 4069 | case POWER_SUPPLY_PROP_CYCLE_COUNTS: |
Vamshi Krishna B V | 5662340 | 2018-09-19 11:56:07 +0530 | [diff] [blame] | 4070 | pval->strval = fg_get_cycle_counts(chip); |
Abhijeet Dharmapurikar | 3d8b226 | 2016-08-25 13:50:42 -0700 | [diff] [blame] | 4071 | break; |
Subbaraman Narayanamurthy | 07be919 | 2016-09-14 14:48:49 -0700 | [diff] [blame] | 4072 | case POWER_SUPPLY_PROP_CHARGE_NOW_RAW: |
Subbaraman Narayanamurthy | dd6ea38 | 2017-03-15 13:15:31 -0700 | [diff] [blame] | 4073 | rc = fg_get_charge_raw(chip, &pval->intval); |
Subbaraman Narayanamurthy | 07be919 | 2016-09-14 14:48:49 -0700 | [diff] [blame] | 4074 | break; |
| 4075 | case POWER_SUPPLY_PROP_CHARGE_NOW: |
| 4076 | pval->intval = chip->cl.init_cc_uah; |
| 4077 | break; |
| 4078 | case POWER_SUPPLY_PROP_CHARGE_FULL: |
| 4079 | pval->intval = chip->cl.learned_cc_uah; |
| 4080 | break; |
| 4081 | case POWER_SUPPLY_PROP_CHARGE_COUNTER: |
Subbaraman Narayanamurthy | dd6ea38 | 2017-03-15 13:15:31 -0700 | [diff] [blame] | 4082 | rc = fg_get_charge_counter(chip, &pval->intval); |
Subbaraman Narayanamurthy | 07be919 | 2016-09-14 14:48:49 -0700 | [diff] [blame] | 4083 | break; |
Subbaraman Narayanamurthy | ef69cf2 | 2017-09-13 16:38:40 -0700 | [diff] [blame] | 4084 | case POWER_SUPPLY_PROP_CHARGE_COUNTER_SHADOW: |
| 4085 | rc = fg_get_charge_counter_shadow(chip, &pval->intval); |
| 4086 | break; |
Nicholas Troast | 1769fd3 | 2016-09-07 09:20:58 -0700 | [diff] [blame] | 4087 | case POWER_SUPPLY_PROP_TIME_TO_FULL_AVG: |
| 4088 | rc = fg_get_time_to_full(chip, &pval->intval); |
| 4089 | break; |
| 4090 | case POWER_SUPPLY_PROP_TIME_TO_EMPTY_AVG: |
| 4091 | rc = fg_get_time_to_empty(chip, &pval->intval); |
| 4092 | break; |
Subbaraman Narayanamurthy | fd7f07b | 2016-12-14 15:10:15 -0800 | [diff] [blame] | 4093 | case POWER_SUPPLY_PROP_SOC_REPORTING_READY: |
| 4094 | pval->intval = chip->soc_reporting_ready; |
| 4095 | break; |
Ashay Jaiswal | 2fb369d | 2017-01-12 21:38:29 +0530 | [diff] [blame] | 4096 | case POWER_SUPPLY_PROP_DEBUG_BATTERY: |
| 4097 | pval->intval = is_debug_batt_id(chip); |
| 4098 | break; |
Subbaraman Narayanamurthy | ef82581 | 2017-02-01 18:46:30 -0800 | [diff] [blame] | 4099 | case POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE: |
| 4100 | rc = fg_get_sram_prop(chip, FG_SRAM_VBATT_FULL, &pval->intval); |
| 4101 | break; |
Abhijeet Dharmapurikar | 1925892 | 2017-07-31 19:27:16 -0700 | [diff] [blame] | 4102 | case POWER_SUPPLY_PROP_CC_STEP: |
Nicholas Troast | 805c242 | 2017-07-06 14:53:46 -0700 | [diff] [blame] | 4103 | if ((chip->ttf.cc_step.sel >= 0) && |
| 4104 | (chip->ttf.cc_step.sel < MAX_CC_STEPS)) { |
| 4105 | pval->intval = |
| 4106 | chip->ttf.cc_step.arr[chip->ttf.cc_step.sel]; |
Abhijeet Dharmapurikar | 1925892 | 2017-07-31 19:27:16 -0700 | [diff] [blame] | 4107 | } else { |
| 4108 | pr_err("cc_step_sel is out of bounds [0, %d]\n", |
Nicholas Troast | 805c242 | 2017-07-06 14:53:46 -0700 | [diff] [blame] | 4109 | chip->ttf.cc_step.sel); |
Abhijeet Dharmapurikar | 1925892 | 2017-07-31 19:27:16 -0700 | [diff] [blame] | 4110 | return -EINVAL; |
| 4111 | } |
| 4112 | break; |
| 4113 | case POWER_SUPPLY_PROP_CC_STEP_SEL: |
Nicholas Troast | 805c242 | 2017-07-06 14:53:46 -0700 | [diff] [blame] | 4114 | pval->intval = chip->ttf.cc_step.sel; |
Abhijeet Dharmapurikar | 1925892 | 2017-07-31 19:27:16 -0700 | [diff] [blame] | 4115 | break; |
Anirudh Ghayal | af38fdc | 2019-05-23 14:19:42 +0530 | [diff] [blame] | 4116 | case POWER_SUPPLY_PROP_REAL_CAPACITY: |
| 4117 | rc = fg_get_prop_real_capacity(chip, &pval->intval); |
| 4118 | break; |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 4119 | default: |
Nicholas Troast | 1769fd3 | 2016-09-07 09:20:58 -0700 | [diff] [blame] | 4120 | pr_err("unsupported property %d\n", psp); |
| 4121 | rc = -EINVAL; |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 4122 | break; |
| 4123 | } |
| 4124 | |
Nicholas Troast | 1769fd3 | 2016-09-07 09:20:58 -0700 | [diff] [blame] | 4125 | if (rc < 0) |
| 4126 | return -ENODATA; |
| 4127 | |
| 4128 | return 0; |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 4129 | } |
| 4130 | |
| 4131 | static int fg_psy_set_property(struct power_supply *psy, |
| 4132 | enum power_supply_property psp, |
| 4133 | const union power_supply_propval *pval) |
| 4134 | { |
Nicholas Troast | e29dec9 | 2016-08-24 09:35:11 -0700 | [diff] [blame] | 4135 | struct fg_chip *chip = power_supply_get_drvdata(psy); |
Subbaraman Narayanamurthy | ef82581 | 2017-02-01 18:46:30 -0800 | [diff] [blame] | 4136 | int rc = 0; |
Nicholas Troast | e29dec9 | 2016-08-24 09:35:11 -0700 | [diff] [blame] | 4137 | |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 4138 | switch (psp) { |
Subbaraman Narayanamurthy | ef82581 | 2017-02-01 18:46:30 -0800 | [diff] [blame] | 4139 | case POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE: |
| 4140 | rc = fg_set_constant_chg_voltage(chip, pval->intval); |
Nicholas Troast | e29dec9 | 2016-08-24 09:35:11 -0700 | [diff] [blame] | 4141 | break; |
Abhijeet Dharmapurikar | d29bc60 | 2017-07-06 18:45:32 -0700 | [diff] [blame] | 4142 | case POWER_SUPPLY_PROP_RESISTANCE: |
| 4143 | rc = fg_force_esr_meas(chip); |
| 4144 | break; |
| 4145 | case POWER_SUPPLY_PROP_CHARGE_QNOVO_ENABLE: |
| 4146 | rc = fg_prepare_for_qnovo(chip, pval->intval); |
| 4147 | break; |
Abhijeet Dharmapurikar | 1925892 | 2017-07-31 19:27:16 -0700 | [diff] [blame] | 4148 | case POWER_SUPPLY_PROP_CC_STEP: |
Nicholas Troast | 805c242 | 2017-07-06 14:53:46 -0700 | [diff] [blame] | 4149 | if ((chip->ttf.cc_step.sel >= 0) && |
| 4150 | (chip->ttf.cc_step.sel < MAX_CC_STEPS)) { |
| 4151 | chip->ttf.cc_step.arr[chip->ttf.cc_step.sel] = |
| 4152 | pval->intval; |
Abhijeet Dharmapurikar | 1925892 | 2017-07-31 19:27:16 -0700 | [diff] [blame] | 4153 | } else { |
| 4154 | pr_err("cc_step_sel is out of bounds [0, %d]\n", |
Nicholas Troast | 805c242 | 2017-07-06 14:53:46 -0700 | [diff] [blame] | 4155 | chip->ttf.cc_step.sel); |
Abhijeet Dharmapurikar | 1925892 | 2017-07-31 19:27:16 -0700 | [diff] [blame] | 4156 | return -EINVAL; |
| 4157 | } |
| 4158 | break; |
| 4159 | case POWER_SUPPLY_PROP_CC_STEP_SEL: |
| 4160 | if ((pval->intval >= 0) && (pval->intval < MAX_CC_STEPS)) { |
Nicholas Troast | 805c242 | 2017-07-06 14:53:46 -0700 | [diff] [blame] | 4161 | chip->ttf.cc_step.sel = pval->intval; |
Abhijeet Dharmapurikar | 1925892 | 2017-07-31 19:27:16 -0700 | [diff] [blame] | 4162 | } else { |
| 4163 | pr_err("cc_step_sel is out of bounds [0, %d]\n", |
| 4164 | pval->intval); |
| 4165 | return -EINVAL; |
| 4166 | } |
| 4167 | break; |
Subbaraman Narayanamurthy | 677e725 | 2017-08-11 18:27:08 -0700 | [diff] [blame] | 4168 | case POWER_SUPPLY_PROP_CHARGE_FULL: |
| 4169 | if (chip->cl.active) { |
| 4170 | pr_warn("Capacity learning active!\n"); |
| 4171 | return 0; |
| 4172 | } |
| 4173 | if (pval->intval <= 0 || pval->intval > chip->cl.nom_cap_uah) { |
| 4174 | pr_err("charge_full is out of bounds\n"); |
| 4175 | return -EINVAL; |
| 4176 | } |
| 4177 | chip->cl.learned_cc_uah = pval->intval; |
| 4178 | rc = fg_save_learned_cap_to_sram(chip); |
| 4179 | if (rc < 0) |
| 4180 | pr_err("Error in saving learned_cc_uah, rc=%d\n", rc); |
| 4181 | break; |
Subbaraman Narayanamurthy | edff890 | 2017-08-11 19:24:24 -0700 | [diff] [blame] | 4182 | case POWER_SUPPLY_PROP_COLD_TEMP: |
| 4183 | rc = fg_set_jeita_threshold(chip, JEITA_COLD, pval->intval); |
| 4184 | if (rc < 0) { |
| 4185 | pr_err("Error in writing jeita_cold, rc=%d\n", rc); |
| 4186 | return rc; |
| 4187 | } |
| 4188 | break; |
| 4189 | case POWER_SUPPLY_PROP_COOL_TEMP: |
| 4190 | rc = fg_set_jeita_threshold(chip, JEITA_COOL, pval->intval); |
| 4191 | if (rc < 0) { |
| 4192 | pr_err("Error in writing jeita_cool, rc=%d\n", rc); |
| 4193 | return rc; |
| 4194 | } |
| 4195 | break; |
| 4196 | case POWER_SUPPLY_PROP_WARM_TEMP: |
| 4197 | rc = fg_set_jeita_threshold(chip, JEITA_WARM, pval->intval); |
| 4198 | if (rc < 0) { |
| 4199 | pr_err("Error in writing jeita_warm, rc=%d\n", rc); |
| 4200 | return rc; |
| 4201 | } |
| 4202 | break; |
| 4203 | case POWER_SUPPLY_PROP_HOT_TEMP: |
| 4204 | rc = fg_set_jeita_threshold(chip, JEITA_HOT, pval->intval); |
| 4205 | if (rc < 0) { |
| 4206 | pr_err("Error in writing jeita_hot, rc=%d\n", rc); |
| 4207 | return rc; |
| 4208 | } |
| 4209 | break; |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 4210 | default: |
| 4211 | break; |
| 4212 | } |
| 4213 | |
Subbaraman Narayanamurthy | ef82581 | 2017-02-01 18:46:30 -0800 | [diff] [blame] | 4214 | return rc; |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 4215 | } |
| 4216 | |
| 4217 | static int fg_property_is_writeable(struct power_supply *psy, |
| 4218 | enum power_supply_property psp) |
| 4219 | { |
| 4220 | switch (psp) { |
Subbaraman Narayanamurthy | ef82581 | 2017-02-01 18:46:30 -0800 | [diff] [blame] | 4221 | case POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE: |
Abhijeet Dharmapurikar | 1925892 | 2017-07-31 19:27:16 -0700 | [diff] [blame] | 4222 | case POWER_SUPPLY_PROP_CC_STEP: |
| 4223 | case POWER_SUPPLY_PROP_CC_STEP_SEL: |
Subbaraman Narayanamurthy | 677e725 | 2017-08-11 18:27:08 -0700 | [diff] [blame] | 4224 | case POWER_SUPPLY_PROP_CHARGE_FULL: |
Subbaraman Narayanamurthy | edff890 | 2017-08-11 19:24:24 -0700 | [diff] [blame] | 4225 | case POWER_SUPPLY_PROP_COLD_TEMP: |
| 4226 | case POWER_SUPPLY_PROP_COOL_TEMP: |
| 4227 | case POWER_SUPPLY_PROP_WARM_TEMP: |
| 4228 | case POWER_SUPPLY_PROP_HOT_TEMP: |
Nicholas Troast | e29dec9 | 2016-08-24 09:35:11 -0700 | [diff] [blame] | 4229 | return 1; |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 4230 | default: |
| 4231 | break; |
| 4232 | } |
| 4233 | |
| 4234 | return 0; |
| 4235 | } |
| 4236 | |
| 4237 | static void fg_external_power_changed(struct power_supply *psy) |
| 4238 | { |
| 4239 | pr_debug("power supply changed\n"); |
| 4240 | } |
| 4241 | |
| 4242 | static int fg_notifier_cb(struct notifier_block *nb, |
| 4243 | unsigned long event, void *data) |
| 4244 | { |
| 4245 | struct power_supply *psy = data; |
| 4246 | struct fg_chip *chip = container_of(nb, struct fg_chip, nb); |
| 4247 | |
Anirudh Ghayal | 6578831 | 2017-10-18 11:36:22 +0530 | [diff] [blame] | 4248 | spin_lock(&chip->suspend_lock); |
| 4249 | if (chip->suspended) { |
| 4250 | /* Return if we are still suspended */ |
| 4251 | spin_unlock(&chip->suspend_lock); |
| 4252 | return NOTIFY_OK; |
| 4253 | } |
| 4254 | spin_unlock(&chip->suspend_lock); |
| 4255 | |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 4256 | if (event != PSY_EVENT_PROP_CHANGED) |
| 4257 | return NOTIFY_OK; |
| 4258 | |
Subbaraman Narayanamurthy | 58dac18 | 2016-12-06 14:41:29 -0800 | [diff] [blame] | 4259 | if (work_pending(&chip->status_change_work)) |
| 4260 | return NOTIFY_OK; |
| 4261 | |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 4262 | if ((strcmp(psy->desc->name, "battery") == 0) |
Subbaraman Narayanamurthy | a7249ef | 2017-10-03 20:34:38 -0700 | [diff] [blame] | 4263 | || (strcmp(psy->desc->name, "parallel") == 0) |
Subbaraman Narayanamurthy | 07be919 | 2016-09-14 14:48:49 -0700 | [diff] [blame] | 4264 | || (strcmp(psy->desc->name, "usb") == 0)) { |
| 4265 | /* |
| 4266 | * We cannot vote for awake votable here as that takes |
| 4267 | * a mutex lock and this is executed in an atomic context. |
| 4268 | */ |
Anirudh Ghayal | 63e9cea | 2018-06-11 16:15:11 +0530 | [diff] [blame] | 4269 | fg_stay_awake(chip, FG_STATUS_NOTIFY_WAKE); |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 4270 | schedule_work(&chip->status_change_work); |
Subbaraman Narayanamurthy | 07be919 | 2016-09-14 14:48:49 -0700 | [diff] [blame] | 4271 | } |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 4272 | |
| 4273 | return NOTIFY_OK; |
| 4274 | } |
| 4275 | |
Anirudh Ghayal | a209ac3 | 2018-08-23 15:08:05 +0530 | [diff] [blame] | 4276 | static int twm_notifier_cb(struct notifier_block *nb, |
| 4277 | unsigned long action, void *data) |
| 4278 | { |
| 4279 | struct fg_chip *chip = container_of(nb, struct fg_chip, twm_nb); |
| 4280 | |
| 4281 | if (action != PMIC_TWM_CLEAR && |
| 4282 | action != PMIC_TWM_ENABLE) { |
| 4283 | pr_debug("Unsupported option %lu\n", action); |
| 4284 | return NOTIFY_OK; |
| 4285 | } |
| 4286 | |
| 4287 | chip->twm_state = (u8)action; |
| 4288 | |
| 4289 | return NOTIFY_OK; |
| 4290 | } |
| 4291 | |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 4292 | static enum power_supply_property fg_psy_props[] = { |
| 4293 | POWER_SUPPLY_PROP_CAPACITY, |
Subbaraman Narayanamurthy | 50fb7fd | 2017-07-25 20:01:25 -0700 | [diff] [blame] | 4294 | POWER_SUPPLY_PROP_CAPACITY_RAW, |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 4295 | POWER_SUPPLY_PROP_TEMP, |
Subbaraman Narayanamurthy | edff890 | 2017-08-11 19:24:24 -0700 | [diff] [blame] | 4296 | POWER_SUPPLY_PROP_COLD_TEMP, |
| 4297 | POWER_SUPPLY_PROP_COOL_TEMP, |
| 4298 | POWER_SUPPLY_PROP_WARM_TEMP, |
| 4299 | POWER_SUPPLY_PROP_HOT_TEMP, |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 4300 | POWER_SUPPLY_PROP_VOLTAGE_NOW, |
| 4301 | POWER_SUPPLY_PROP_VOLTAGE_OCV, |
| 4302 | POWER_SUPPLY_PROP_CURRENT_NOW, |
| 4303 | POWER_SUPPLY_PROP_RESISTANCE_ID, |
| 4304 | POWER_SUPPLY_PROP_RESISTANCE, |
| 4305 | POWER_SUPPLY_PROP_BATTERY_TYPE, |
| 4306 | POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN, |
Abhijeet Dharmapurikar | 3d8b226 | 2016-08-25 13:50:42 -0700 | [diff] [blame] | 4307 | POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN, |
Vamshi Krishna B V | 5662340 | 2018-09-19 11:56:07 +0530 | [diff] [blame] | 4308 | POWER_SUPPLY_PROP_CYCLE_COUNT, |
Subbaraman Narayanamurthy | fb4239c | 2018-02-02 15:35:44 -0800 | [diff] [blame] | 4309 | POWER_SUPPLY_PROP_CYCLE_COUNTS, |
Subbaraman Narayanamurthy | 07be919 | 2016-09-14 14:48:49 -0700 | [diff] [blame] | 4310 | POWER_SUPPLY_PROP_CHARGE_NOW_RAW, |
| 4311 | POWER_SUPPLY_PROP_CHARGE_NOW, |
| 4312 | POWER_SUPPLY_PROP_CHARGE_FULL, |
| 4313 | POWER_SUPPLY_PROP_CHARGE_COUNTER, |
Subbaraman Narayanamurthy | ef69cf2 | 2017-09-13 16:38:40 -0700 | [diff] [blame] | 4314 | POWER_SUPPLY_PROP_CHARGE_COUNTER_SHADOW, |
Nicholas Troast | 1769fd3 | 2016-09-07 09:20:58 -0700 | [diff] [blame] | 4315 | POWER_SUPPLY_PROP_TIME_TO_FULL_AVG, |
| 4316 | POWER_SUPPLY_PROP_TIME_TO_EMPTY_AVG, |
Subbaraman Narayanamurthy | fd7f07b | 2016-12-14 15:10:15 -0800 | [diff] [blame] | 4317 | POWER_SUPPLY_PROP_SOC_REPORTING_READY, |
Ashay Jaiswal | 2fb369d | 2017-01-12 21:38:29 +0530 | [diff] [blame] | 4318 | POWER_SUPPLY_PROP_DEBUG_BATTERY, |
Subbaraman Narayanamurthy | ef82581 | 2017-02-01 18:46:30 -0800 | [diff] [blame] | 4319 | POWER_SUPPLY_PROP_CONSTANT_CHARGE_VOLTAGE, |
Abhijeet Dharmapurikar | 1925892 | 2017-07-31 19:27:16 -0700 | [diff] [blame] | 4320 | POWER_SUPPLY_PROP_CC_STEP, |
| 4321 | POWER_SUPPLY_PROP_CC_STEP_SEL, |
Anirudh Ghayal | af38fdc | 2019-05-23 14:19:42 +0530 | [diff] [blame] | 4322 | POWER_SUPPLY_PROP_REAL_CAPACITY, |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 4323 | }; |
| 4324 | |
| 4325 | static const struct power_supply_desc fg_psy_desc = { |
| 4326 | .name = "bms", |
| 4327 | .type = POWER_SUPPLY_TYPE_BMS, |
| 4328 | .properties = fg_psy_props, |
| 4329 | .num_properties = ARRAY_SIZE(fg_psy_props), |
| 4330 | .get_property = fg_psy_get_property, |
| 4331 | .set_property = fg_psy_set_property, |
| 4332 | .external_power_changed = fg_external_power_changed, |
| 4333 | .property_is_writeable = fg_property_is_writeable, |
| 4334 | }; |
| 4335 | |
| 4336 | /* INIT FUNCTIONS STAY HERE */ |
| 4337 | |
Subbaraman Narayanamurthy | 784bd5b | 2017-05-17 17:43:22 -0700 | [diff] [blame] | 4338 | #define DEFAULT_ESR_CHG_TIMER_RETRY 8 |
| 4339 | #define DEFAULT_ESR_CHG_TIMER_MAX 16 |
Sahil Chandna | 888ad48 | 2019-03-28 14:47:09 +0530 | [diff] [blame] | 4340 | #define VOLTAGE_MODE_SAT_CLEAR_BIT BIT(3) |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 4341 | static int fg_hw_init(struct fg_chip *chip) |
| 4342 | { |
| 4343 | int rc; |
| 4344 | u8 buf[4], val; |
| 4345 | |
| 4346 | fg_encode(chip->sp, FG_SRAM_CUTOFF_VOLT, chip->dt.cutoff_volt_mv, buf); |
Nicholas Troast | a2b4037 | 2016-08-15 10:45:39 -0700 | [diff] [blame] | 4347 | rc = fg_sram_write(chip, chip->sp[FG_SRAM_CUTOFF_VOLT].addr_word, |
| 4348 | chip->sp[FG_SRAM_CUTOFF_VOLT].addr_byte, buf, |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 4349 | chip->sp[FG_SRAM_CUTOFF_VOLT].len, FG_IMA_DEFAULT); |
| 4350 | if (rc < 0) { |
| 4351 | pr_err("Error in writing cutoff_volt, rc=%d\n", rc); |
| 4352 | return rc; |
| 4353 | } |
| 4354 | |
| 4355 | fg_encode(chip->sp, FG_SRAM_EMPTY_VOLT, chip->dt.empty_volt_mv, buf); |
Nicholas Troast | a2b4037 | 2016-08-15 10:45:39 -0700 | [diff] [blame] | 4356 | rc = fg_sram_write(chip, chip->sp[FG_SRAM_EMPTY_VOLT].addr_word, |
| 4357 | chip->sp[FG_SRAM_EMPTY_VOLT].addr_byte, buf, |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 4358 | chip->sp[FG_SRAM_EMPTY_VOLT].len, FG_IMA_DEFAULT); |
| 4359 | if (rc < 0) { |
| 4360 | pr_err("Error in writing empty_volt, rc=%d\n", rc); |
| 4361 | return rc; |
| 4362 | } |
| 4363 | |
| 4364 | fg_encode(chip->sp, FG_SRAM_CHG_TERM_CURR, chip->dt.chg_term_curr_ma, |
| 4365 | buf); |
Nicholas Troast | a2b4037 | 2016-08-15 10:45:39 -0700 | [diff] [blame] | 4366 | rc = fg_sram_write(chip, chip->sp[FG_SRAM_CHG_TERM_CURR].addr_word, |
| 4367 | chip->sp[FG_SRAM_CHG_TERM_CURR].addr_byte, buf, |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 4368 | chip->sp[FG_SRAM_CHG_TERM_CURR].len, FG_IMA_DEFAULT); |
| 4369 | if (rc < 0) { |
| 4370 | pr_err("Error in writing chg_term_curr, rc=%d\n", rc); |
| 4371 | return rc; |
| 4372 | } |
| 4373 | |
| 4374 | fg_encode(chip->sp, FG_SRAM_SYS_TERM_CURR, chip->dt.sys_term_curr_ma, |
| 4375 | buf); |
Nicholas Troast | a2b4037 | 2016-08-15 10:45:39 -0700 | [diff] [blame] | 4376 | rc = fg_sram_write(chip, chip->sp[FG_SRAM_SYS_TERM_CURR].addr_word, |
| 4377 | chip->sp[FG_SRAM_SYS_TERM_CURR].addr_byte, buf, |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 4378 | chip->sp[FG_SRAM_SYS_TERM_CURR].len, FG_IMA_DEFAULT); |
| 4379 | if (rc < 0) { |
| 4380 | pr_err("Error in writing sys_term_curr, rc=%d\n", rc); |
| 4381 | return rc; |
| 4382 | } |
| 4383 | |
Subbaraman Narayanamurthy | 5566f50 | 2017-12-19 19:39:03 -0800 | [diff] [blame] | 4384 | fg_encode(chip->sp, FG_SRAM_CUTOFF_CURR, chip->dt.cutoff_curr_ma, |
| 4385 | buf); |
| 4386 | rc = fg_sram_write(chip, chip->sp[FG_SRAM_CUTOFF_CURR].addr_word, |
| 4387 | chip->sp[FG_SRAM_CUTOFF_CURR].addr_byte, buf, |
| 4388 | chip->sp[FG_SRAM_CUTOFF_CURR].len, FG_IMA_DEFAULT); |
| 4389 | if (rc < 0) { |
| 4390 | pr_err("Error in writing cutoff_curr, rc=%d\n", rc); |
| 4391 | return rc; |
| 4392 | } |
| 4393 | |
Subbaraman Narayanamurthy | a4e1888 | 2017-04-04 20:28:03 -0700 | [diff] [blame] | 4394 | if (!(chip->wa_flags & PMI8998_V1_REV_WA)) { |
| 4395 | fg_encode(chip->sp, FG_SRAM_CHG_TERM_BASE_CURR, |
| 4396 | chip->dt.chg_term_base_curr_ma, buf); |
| 4397 | rc = fg_sram_write(chip, |
| 4398 | chip->sp[FG_SRAM_CHG_TERM_BASE_CURR].addr_word, |
| 4399 | chip->sp[FG_SRAM_CHG_TERM_BASE_CURR].addr_byte, |
| 4400 | buf, chip->sp[FG_SRAM_CHG_TERM_BASE_CURR].len, |
| 4401 | FG_IMA_DEFAULT); |
| 4402 | if (rc < 0) { |
| 4403 | pr_err("Error in writing chg_term_base_curr, rc=%d\n", |
| 4404 | rc); |
| 4405 | return rc; |
| 4406 | } |
| 4407 | } |
| 4408 | |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 4409 | if (chip->dt.vbatt_low_thr_mv > 0) { |
| 4410 | fg_encode(chip->sp, FG_SRAM_VBATT_LOW, |
| 4411 | chip->dt.vbatt_low_thr_mv, buf); |
Nicholas Troast | a2b4037 | 2016-08-15 10:45:39 -0700 | [diff] [blame] | 4412 | rc = fg_sram_write(chip, chip->sp[FG_SRAM_VBATT_LOW].addr_word, |
| 4413 | chip->sp[FG_SRAM_VBATT_LOW].addr_byte, buf, |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 4414 | chip->sp[FG_SRAM_VBATT_LOW].len, |
| 4415 | FG_IMA_DEFAULT); |
| 4416 | if (rc < 0) { |
| 4417 | pr_err("Error in writing vbatt_low_thr, rc=%d\n", rc); |
| 4418 | return rc; |
| 4419 | } |
| 4420 | } |
| 4421 | |
| 4422 | if (chip->dt.delta_soc_thr > 0 && chip->dt.delta_soc_thr < 100) { |
Subbaraman Narayanamurthy | fbf2537 | 2017-01-03 15:39:08 -0800 | [diff] [blame] | 4423 | fg_encode(chip->sp, FG_SRAM_DELTA_MSOC_THR, |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 4424 | chip->dt.delta_soc_thr, buf); |
| 4425 | rc = fg_sram_write(chip, |
Subbaraman Narayanamurthy | fbf2537 | 2017-01-03 15:39:08 -0800 | [diff] [blame] | 4426 | chip->sp[FG_SRAM_DELTA_MSOC_THR].addr_word, |
| 4427 | chip->sp[FG_SRAM_DELTA_MSOC_THR].addr_byte, |
| 4428 | buf, chip->sp[FG_SRAM_DELTA_MSOC_THR].len, |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 4429 | FG_IMA_DEFAULT); |
| 4430 | if (rc < 0) { |
Subbaraman Narayanamurthy | fbf2537 | 2017-01-03 15:39:08 -0800 | [diff] [blame] | 4431 | pr_err("Error in writing delta_msoc_thr, rc=%d\n", rc); |
| 4432 | return rc; |
| 4433 | } |
| 4434 | |
| 4435 | fg_encode(chip->sp, FG_SRAM_DELTA_BSOC_THR, |
| 4436 | chip->dt.delta_soc_thr, buf); |
| 4437 | rc = fg_sram_write(chip, |
| 4438 | chip->sp[FG_SRAM_DELTA_BSOC_THR].addr_word, |
| 4439 | chip->sp[FG_SRAM_DELTA_BSOC_THR].addr_byte, |
| 4440 | buf, chip->sp[FG_SRAM_DELTA_BSOC_THR].len, |
| 4441 | FG_IMA_DEFAULT); |
| 4442 | if (rc < 0) { |
| 4443 | pr_err("Error in writing delta_bsoc_thr, rc=%d\n", rc); |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 4444 | return rc; |
| 4445 | } |
| 4446 | } |
| 4447 | |
cyizhao | fb3eec5 | 2017-01-24 17:08:55 +0800 | [diff] [blame] | 4448 | /* |
| 4449 | * configure battery thermal coefficients c1,c2,c3 |
| 4450 | * if its value is not zero. |
| 4451 | */ |
| 4452 | if (chip->dt.batt_therm_coeffs[0] > 0) { |
| 4453 | rc = fg_write(chip, BATT_INFO_THERM_C1(chip), |
| 4454 | chip->dt.batt_therm_coeffs, BATT_THERM_NUM_COEFFS); |
| 4455 | if (rc < 0) { |
| 4456 | pr_err("Error in writing battery thermal coefficients, rc=%d\n", |
| 4457 | rc); |
| 4458 | return rc; |
| 4459 | } |
| 4460 | } |
| 4461 | |
| 4462 | |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 4463 | if (chip->dt.recharge_soc_thr > 0 && chip->dt.recharge_soc_thr < 100) { |
Subbaraman Narayanamurthy | f9611e3 | 2016-09-26 11:12:47 -0700 | [diff] [blame] | 4464 | rc = fg_set_recharge_soc(chip, chip->dt.recharge_soc_thr); |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 4465 | if (rc < 0) { |
Subbaraman Narayanamurthy | f9611e3 | 2016-09-26 11:12:47 -0700 | [diff] [blame] | 4466 | pr_err("Error in setting recharge_soc, rc=%d\n", rc); |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 4467 | return rc; |
| 4468 | } |
| 4469 | } |
| 4470 | |
Subbaraman Narayanamurthy | deeaec72 | 2016-12-22 18:55:25 -0800 | [diff] [blame] | 4471 | if (chip->dt.recharge_volt_thr_mv > 0) { |
| 4472 | rc = fg_set_recharge_voltage(chip, |
| 4473 | chip->dt.recharge_volt_thr_mv); |
Subbaraman Narayanamurthy | 4cf5c1c | 2016-11-17 13:58:06 -0800 | [diff] [blame] | 4474 | if (rc < 0) { |
Subbaraman Narayanamurthy | deeaec72 | 2016-12-22 18:55:25 -0800 | [diff] [blame] | 4475 | pr_err("Error in setting recharge_voltage, rc=%d\n", |
Subbaraman Narayanamurthy | 4cf5c1c | 2016-11-17 13:58:06 -0800 | [diff] [blame] | 4476 | rc); |
| 4477 | return rc; |
| 4478 | } |
| 4479 | } |
| 4480 | |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 4481 | if (chip->dt.rsense_sel >= SRC_SEL_BATFET && |
| 4482 | chip->dt.rsense_sel < SRC_SEL_RESERVED) { |
| 4483 | rc = fg_masked_write(chip, BATT_INFO_IBATT_SENSING_CFG(chip), |
| 4484 | SOURCE_SELECT_MASK, chip->dt.rsense_sel); |
| 4485 | if (rc < 0) { |
| 4486 | pr_err("Error in writing rsense_sel, rc=%d\n", rc); |
| 4487 | return rc; |
| 4488 | } |
| 4489 | } |
| 4490 | |
Subbaraman Narayanamurthy | edff890 | 2017-08-11 19:24:24 -0700 | [diff] [blame] | 4491 | rc = fg_set_jeita_threshold(chip, JEITA_COLD, |
| 4492 | chip->dt.jeita_thresholds[JEITA_COLD] * 10); |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 4493 | if (rc < 0) { |
| 4494 | pr_err("Error in writing jeita_cold, rc=%d\n", rc); |
| 4495 | return rc; |
| 4496 | } |
| 4497 | |
Subbaraman Narayanamurthy | edff890 | 2017-08-11 19:24:24 -0700 | [diff] [blame] | 4498 | rc = fg_set_jeita_threshold(chip, JEITA_COOL, |
| 4499 | chip->dt.jeita_thresholds[JEITA_COOL] * 10); |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 4500 | if (rc < 0) { |
| 4501 | pr_err("Error in writing jeita_cool, rc=%d\n", rc); |
| 4502 | return rc; |
| 4503 | } |
| 4504 | |
Subbaraman Narayanamurthy | edff890 | 2017-08-11 19:24:24 -0700 | [diff] [blame] | 4505 | rc = fg_set_jeita_threshold(chip, JEITA_WARM, |
| 4506 | chip->dt.jeita_thresholds[JEITA_WARM] * 10); |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 4507 | if (rc < 0) { |
| 4508 | pr_err("Error in writing jeita_warm, rc=%d\n", rc); |
| 4509 | return rc; |
| 4510 | } |
| 4511 | |
Subbaraman Narayanamurthy | edff890 | 2017-08-11 19:24:24 -0700 | [diff] [blame] | 4512 | rc = fg_set_jeita_threshold(chip, JEITA_HOT, |
| 4513 | chip->dt.jeita_thresholds[JEITA_HOT] * 10); |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 4514 | if (rc < 0) { |
| 4515 | pr_err("Error in writing jeita_hot, rc=%d\n", rc); |
| 4516 | return rc; |
| 4517 | } |
| 4518 | |
Subbaraman Narayanamurthy | 784bd5b | 2017-05-17 17:43:22 -0700 | [diff] [blame] | 4519 | if (chip->pmic_rev_id->pmic_subtype == PMI8998_SUBTYPE) { |
| 4520 | chip->esr_timer_charging_default[TIMER_RETRY] = |
| 4521 | DEFAULT_ESR_CHG_TIMER_RETRY; |
| 4522 | chip->esr_timer_charging_default[TIMER_MAX] = |
| 4523 | DEFAULT_ESR_CHG_TIMER_MAX; |
| 4524 | } else { |
| 4525 | /* We don't need this for pm660 at present */ |
| 4526 | chip->esr_timer_charging_default[TIMER_RETRY] = -EINVAL; |
| 4527 | chip->esr_timer_charging_default[TIMER_MAX] = -EINVAL; |
Nicholas Troast | dcf8fe6 | 2016-08-04 14:30:02 -0700 | [diff] [blame] | 4528 | } |
| 4529 | |
Subbaraman Narayanamurthy | 784bd5b | 2017-05-17 17:43:22 -0700 | [diff] [blame] | 4530 | rc = fg_set_esr_timer(chip, chip->dt.esr_timer_charging[TIMER_RETRY], |
| 4531 | chip->dt.esr_timer_charging[TIMER_MAX], true, FG_IMA_DEFAULT); |
| 4532 | if (rc < 0) { |
| 4533 | pr_err("Error in setting ESR timer, rc=%d\n", rc); |
| 4534 | return rc; |
| 4535 | } |
| 4536 | |
| 4537 | rc = fg_set_esr_timer(chip, chip->dt.esr_timer_awake[TIMER_RETRY], |
| 4538 | chip->dt.esr_timer_awake[TIMER_MAX], false, FG_IMA_DEFAULT); |
| 4539 | if (rc < 0) { |
| 4540 | pr_err("Error in setting ESR timer, rc=%d\n", rc); |
| 4541 | return rc; |
Nicholas Troast | dcf8fe6 | 2016-08-04 14:30:02 -0700 | [diff] [blame] | 4542 | } |
| 4543 | |
Subbaraman Narayanamurthy | f9c0b87 | 2017-06-09 15:09:11 -0700 | [diff] [blame] | 4544 | restore_cycle_counter(chip); |
Nicholas Troast | e29dec9 | 2016-08-24 09:35:11 -0700 | [diff] [blame] | 4545 | |
Subbaraman Narayanamurthy | 65ff45e | 2016-09-23 19:11:17 -0700 | [diff] [blame] | 4546 | if (chip->dt.jeita_hyst_temp >= 0) { |
| 4547 | val = chip->dt.jeita_hyst_temp << JEITA_TEMP_HYST_SHIFT; |
| 4548 | rc = fg_masked_write(chip, BATT_INFO_BATT_TEMP_CFG(chip), |
| 4549 | JEITA_TEMP_HYST_MASK, val); |
| 4550 | if (rc < 0) { |
| 4551 | pr_err("Error in writing batt_temp_cfg, rc=%d\n", rc); |
| 4552 | return rc; |
| 4553 | } |
| 4554 | } |
| 4555 | |
Subbaraman Narayanamurthy | 11bddec | 2016-09-26 11:27:24 -0700 | [diff] [blame] | 4556 | get_batt_temp_delta(chip->dt.batt_temp_delta, &val); |
| 4557 | rc = fg_masked_write(chip, BATT_INFO_BATT_TMPR_INTR(chip), |
| 4558 | CHANGE_THOLD_MASK, val); |
| 4559 | if (rc < 0) { |
| 4560 | pr_err("Error in writing batt_temp_delta, rc=%d\n", rc); |
| 4561 | return rc; |
| 4562 | } |
| 4563 | |
Sahil Chandna | 888ad48 | 2019-03-28 14:47:09 +0530 | [diff] [blame] | 4564 | rc = fg_sram_masked_write(chip, ESR_EXTRACTION_ENABLE_WORD, |
| 4565 | ESR_EXTRACTION_ENABLE_OFFSET, |
| 4566 | VOLTAGE_MODE_SAT_CLEAR_BIT, |
| 4567 | VOLTAGE_MODE_SAT_CLEAR_BIT, |
| 4568 | FG_IMA_DEFAULT); |
| 4569 | if (rc < 0) |
| 4570 | return rc; |
| 4571 | |
Subbaraman Narayanamurthy | b99ea4c | 2016-12-22 15:10:09 -0800 | [diff] [blame] | 4572 | fg_encode(chip->sp, FG_SRAM_ESR_TIGHT_FILTER, |
| 4573 | chip->dt.esr_tight_flt_upct, buf); |
| 4574 | rc = fg_sram_write(chip, chip->sp[FG_SRAM_ESR_TIGHT_FILTER].addr_word, |
| 4575 | chip->sp[FG_SRAM_ESR_TIGHT_FILTER].addr_byte, buf, |
| 4576 | chip->sp[FG_SRAM_ESR_TIGHT_FILTER].len, FG_IMA_DEFAULT); |
| 4577 | if (rc < 0) { |
| 4578 | pr_err("Error in writing ESR tight filter, rc=%d\n", rc); |
| 4579 | return rc; |
| 4580 | } |
| 4581 | |
| 4582 | fg_encode(chip->sp, FG_SRAM_ESR_BROAD_FILTER, |
| 4583 | chip->dt.esr_broad_flt_upct, buf); |
| 4584 | rc = fg_sram_write(chip, chip->sp[FG_SRAM_ESR_BROAD_FILTER].addr_word, |
| 4585 | chip->sp[FG_SRAM_ESR_BROAD_FILTER].addr_byte, buf, |
| 4586 | chip->sp[FG_SRAM_ESR_BROAD_FILTER].len, FG_IMA_DEFAULT); |
| 4587 | if (rc < 0) { |
| 4588 | pr_err("Error in writing ESR broad filter, rc=%d\n", rc); |
| 4589 | return rc; |
| 4590 | } |
| 4591 | |
Subbaraman Narayanamurthy | e14037f | 2017-03-16 19:14:58 -0700 | [diff] [blame] | 4592 | fg_encode(chip->sp, FG_SRAM_ESR_PULSE_THRESH, |
| 4593 | chip->dt.esr_pulse_thresh_ma, buf); |
| 4594 | rc = fg_sram_write(chip, chip->sp[FG_SRAM_ESR_PULSE_THRESH].addr_word, |
| 4595 | chip->sp[FG_SRAM_ESR_PULSE_THRESH].addr_byte, buf, |
| 4596 | chip->sp[FG_SRAM_ESR_PULSE_THRESH].len, FG_IMA_DEFAULT); |
| 4597 | if (rc < 0) { |
| 4598 | pr_err("Error in writing esr_pulse_thresh_ma, rc=%d\n", rc); |
| 4599 | return rc; |
| 4600 | } |
| 4601 | |
| 4602 | get_esr_meas_current(chip->dt.esr_meas_curr_ma, &val); |
| 4603 | rc = fg_masked_write(chip, BATT_INFO_ESR_PULL_DN_CFG(chip), |
| 4604 | ESR_PULL_DOWN_IVAL_MASK, val); |
| 4605 | if (rc < 0) { |
| 4606 | pr_err("Error in writing esr_meas_curr_ma, rc=%d\n", rc); |
| 4607 | return rc; |
| 4608 | } |
| 4609 | |
Anirudh Ghayal | e149f56 | 2018-08-03 16:34:56 +0530 | [diff] [blame] | 4610 | if (is_debug_batt_id(chip) || chip->dt.disable_esr_pull_dn) { |
Subbaraman Narayanamurthy | 401a1d3 | 2017-05-05 14:07:53 -0700 | [diff] [blame] | 4611 | val = ESR_NO_PULL_DOWN; |
| 4612 | rc = fg_masked_write(chip, BATT_INFO_ESR_PULL_DN_CFG(chip), |
| 4613 | ESR_PULL_DOWN_MODE_MASK, val); |
| 4614 | if (rc < 0) { |
| 4615 | pr_err("Error in writing esr_pull_down, rc=%d\n", rc); |
| 4616 | return rc; |
| 4617 | } |
| 4618 | } |
| 4619 | |
Subbaraman Narayanamurthy | 1310320 | 2018-03-19 12:16:36 -0700 | [diff] [blame] | 4620 | if (chip->dt.ki_coeff_hi_chg != -EINVAL) { |
| 4621 | fg_encode(chip->sp, FG_SRAM_KI_COEFF_HI_CHG, |
| 4622 | chip->dt.ki_coeff_hi_chg, &val); |
| 4623 | rc = fg_sram_write(chip, |
| 4624 | chip->sp[FG_SRAM_KI_COEFF_HI_CHG].addr_word, |
| 4625 | chip->sp[FG_SRAM_KI_COEFF_HI_CHG].addr_byte, |
| 4626 | &val, chip->sp[FG_SRAM_KI_COEFF_HI_CHG].len, |
| 4627 | FG_IMA_DEFAULT); |
| 4628 | if (rc < 0) { |
| 4629 | pr_err("Error in writing ki_coeff_hi_chg, rc=%d\n", rc); |
| 4630 | return rc; |
| 4631 | } |
| 4632 | } |
| 4633 | |
Anirudh Ghayal | 63e9cea | 2018-06-11 16:15:11 +0530 | [diff] [blame] | 4634 | if (chip->dt.use_esr_sw) { |
| 4635 | /* Enable ESR extraction explicitly */ |
| 4636 | rc = fg_sram_masked_write(chip, ESR_EXTRACTION_ENABLE_WORD, |
| 4637 | ESR_EXTRACTION_ENABLE_OFFSET, |
| 4638 | ESR_EXTRACTION_ENABLE_MASK, |
| 4639 | 0x1, FG_IMA_DEFAULT); |
| 4640 | if (rc < 0) { |
| 4641 | pr_err("Error in enabling ESR extraction rc=%d\n", rc); |
| 4642 | return rc; |
| 4643 | } |
| 4644 | } |
| 4645 | |
Anirudh Ghayal | bcb8577 | 2018-08-08 10:17:25 +0530 | [diff] [blame] | 4646 | if (chip->dt.sync_sleep_threshold_ma != -EINVAL) { |
| 4647 | fg_encode(chip->sp, FG_SRAM_SYNC_SLEEP_THR, |
| 4648 | chip->dt.sync_sleep_threshold_ma, buf); |
| 4649 | rc = fg_sram_write(chip, |
| 4650 | chip->sp[FG_SRAM_SYNC_SLEEP_THR].addr_word, |
| 4651 | chip->sp[FG_SRAM_SYNC_SLEEP_THR].addr_byte, buf, |
| 4652 | chip->sp[FG_SRAM_SYNC_SLEEP_THR].len, |
| 4653 | FG_IMA_DEFAULT); |
| 4654 | if (rc < 0) { |
| 4655 | pr_err("Error in writing sync_sleep_threshold=%d\n", |
| 4656 | rc); |
| 4657 | return rc; |
| 4658 | } |
| 4659 | } |
| 4660 | |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 4661 | return 0; |
| 4662 | } |
| 4663 | |
| 4664 | static int fg_memif_init(struct fg_chip *chip) |
| 4665 | { |
Subbaraman Narayanamurthy | 2d62e9e | 2017-06-02 17:40:28 -0700 | [diff] [blame] | 4666 | if (chip->use_dma) |
| 4667 | return fg_dma_init(chip); |
| 4668 | |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 4669 | return fg_ima_init(chip); |
| 4670 | } |
| 4671 | |
Anirudh Ghayal | ddabeee | 2017-04-04 06:13:48 +0530 | [diff] [blame] | 4672 | static int fg_adjust_timebase(struct fg_chip *chip) |
| 4673 | { |
| 4674 | int rc = 0, die_temp; |
| 4675 | s32 time_base = 0; |
| 4676 | u8 buf[2] = {0}; |
| 4677 | |
| 4678 | if ((chip->wa_flags & PM660_TSMC_OSC_WA) && chip->die_temp_chan) { |
| 4679 | rc = iio_read_channel_processed(chip->die_temp_chan, &die_temp); |
| 4680 | if (rc < 0) { |
| 4681 | pr_err("Error in reading die_temp, rc:%d\n", rc); |
| 4682 | return rc; |
| 4683 | } |
| 4684 | |
| 4685 | rc = fg_lerp(fg_tsmc_osc_table, ARRAY_SIZE(fg_tsmc_osc_table), |
| 4686 | die_temp / 1000, &time_base); |
| 4687 | if (rc < 0) { |
| 4688 | pr_err("Error to lookup fg_tsmc_osc_table rc=%d\n", rc); |
| 4689 | return rc; |
| 4690 | } |
| 4691 | |
| 4692 | fg_encode(chip->sp, FG_SRAM_TIMEBASE, time_base, buf); |
| 4693 | rc = fg_sram_write(chip, |
| 4694 | chip->sp[FG_SRAM_TIMEBASE].addr_word, |
| 4695 | chip->sp[FG_SRAM_TIMEBASE].addr_byte, buf, |
| 4696 | chip->sp[FG_SRAM_TIMEBASE].len, FG_IMA_DEFAULT); |
| 4697 | if (rc < 0) { |
| 4698 | pr_err("Error in writing timebase, rc=%d\n", rc); |
| 4699 | return rc; |
| 4700 | } |
| 4701 | } |
| 4702 | |
| 4703 | return 0; |
| 4704 | } |
| 4705 | |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 4706 | /* INTERRUPT HANDLERS STAY HERE */ |
| 4707 | |
Subbaraman Narayanamurthy | a71c9dd | 2016-10-14 19:38:05 -0700 | [diff] [blame] | 4708 | static irqreturn_t fg_mem_xcp_irq_handler(int irq, void *data) |
| 4709 | { |
| 4710 | struct fg_chip *chip = data; |
| 4711 | u8 status; |
| 4712 | int rc; |
| 4713 | |
| 4714 | rc = fg_read(chip, MEM_IF_INT_RT_STS(chip), &status, 1); |
| 4715 | if (rc < 0) { |
| 4716 | pr_err("failed to read addr=0x%04x, rc=%d\n", |
| 4717 | MEM_IF_INT_RT_STS(chip), rc); |
| 4718 | return IRQ_HANDLED; |
| 4719 | } |
| 4720 | |
| 4721 | fg_dbg(chip, FG_IRQ, "irq %d triggered, status:%d\n", irq, status); |
Subbaraman Narayanamurthy | a71c9dd | 2016-10-14 19:38:05 -0700 | [diff] [blame] | 4722 | |
Subbaraman Narayanamurthy | 3f3040a | 2017-03-14 20:30:47 -0700 | [diff] [blame] | 4723 | mutex_lock(&chip->sram_rw_lock); |
| 4724 | rc = fg_clear_dma_errors_if_any(chip); |
| 4725 | if (rc < 0) |
| 4726 | pr_err("Error in clearing DMA error, rc=%d\n", rc); |
| 4727 | |
| 4728 | if (status & MEM_XCP_BIT) { |
Subbaraman Narayanamurthy | a71c9dd | 2016-10-14 19:38:05 -0700 | [diff] [blame] | 4729 | rc = fg_clear_ima_errors_if_any(chip, true); |
| 4730 | if (rc < 0 && rc != -EAGAIN) |
| 4731 | pr_err("Error in checking IMA errors rc:%d\n", rc); |
Subbaraman Narayanamurthy | a71c9dd | 2016-10-14 19:38:05 -0700 | [diff] [blame] | 4732 | } |
| 4733 | |
Subbaraman Narayanamurthy | 3f3040a | 2017-03-14 20:30:47 -0700 | [diff] [blame] | 4734 | mutex_unlock(&chip->sram_rw_lock); |
Subbaraman Narayanamurthy | a71c9dd | 2016-10-14 19:38:05 -0700 | [diff] [blame] | 4735 | return IRQ_HANDLED; |
| 4736 | } |
| 4737 | |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 4738 | static irqreturn_t fg_vbatt_low_irq_handler(int irq, void *data) |
| 4739 | { |
| 4740 | struct fg_chip *chip = data; |
| 4741 | |
| 4742 | fg_dbg(chip, FG_IRQ, "irq %d triggered\n", irq); |
| 4743 | return IRQ_HANDLED; |
| 4744 | } |
| 4745 | |
| 4746 | static irqreturn_t fg_batt_missing_irq_handler(int irq, void *data) |
| 4747 | { |
| 4748 | struct fg_chip *chip = data; |
| 4749 | u8 status; |
| 4750 | int rc; |
| 4751 | |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 4752 | rc = fg_read(chip, BATT_INFO_INT_RT_STS(chip), &status, 1); |
| 4753 | if (rc < 0) { |
| 4754 | pr_err("failed to read addr=0x%04x, rc=%d\n", |
| 4755 | BATT_INFO_INT_RT_STS(chip), rc); |
| 4756 | return IRQ_HANDLED; |
| 4757 | } |
| 4758 | |
Subbaraman Narayanamurthy | 34af21c | 2016-12-15 18:03:09 -0800 | [diff] [blame] | 4759 | fg_dbg(chip, FG_IRQ, "irq %d triggered sts:%d\n", irq, status); |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 4760 | chip->battery_missing = (status & BT_MISS_BIT); |
| 4761 | |
| 4762 | if (chip->battery_missing) { |
Subbaraman Narayanamurthy | 6e7053e | 2016-09-19 14:52:12 -0700 | [diff] [blame] | 4763 | chip->profile_available = false; |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 4764 | chip->profile_loaded = false; |
Subbaraman Narayanamurthy | 51a8149 | 2018-01-19 12:02:30 -0800 | [diff] [blame] | 4765 | chip->profile_load_status = PROFILE_NOT_LOADED; |
Subbaraman Narayanamurthy | fd7f07b | 2016-12-14 15:10:15 -0800 | [diff] [blame] | 4766 | chip->soc_reporting_ready = false; |
Fenglin Wu | 16ef9a7 | 2017-11-06 23:24:54 +0800 | [diff] [blame] | 4767 | chip->batt_id_ohms = -EINVAL; |
Subbaraman Narayanamurthy | f40b7a4 | 2017-11-01 17:35:00 -0700 | [diff] [blame] | 4768 | cancel_delayed_work_sync(&chip->pl_enable_work); |
| 4769 | vote(chip->pl_disable_votable, ESR_FCC_VOTER, true, 0); |
Subbaraman Narayanamurthy | 34af21c | 2016-12-15 18:03:09 -0800 | [diff] [blame] | 4770 | return IRQ_HANDLED; |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 4771 | } |
| 4772 | |
Subbaraman Narayanamurthy | 34af21c | 2016-12-15 18:03:09 -0800 | [diff] [blame] | 4773 | clear_battery_profile(chip); |
| 4774 | schedule_delayed_work(&chip->profile_load_work, 0); |
| 4775 | |
Ashay Jaiswal | 2fb369d | 2017-01-12 21:38:29 +0530 | [diff] [blame] | 4776 | if (chip->fg_psy) |
| 4777 | power_supply_changed(chip->fg_psy); |
| 4778 | |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 4779 | return IRQ_HANDLED; |
| 4780 | } |
| 4781 | |
| 4782 | static irqreturn_t fg_delta_batt_temp_irq_handler(int irq, void *data) |
| 4783 | { |
| 4784 | struct fg_chip *chip = data; |
Subbaraman Narayanamurthy | 11bddec | 2016-09-26 11:27:24 -0700 | [diff] [blame] | 4785 | union power_supply_propval prop = {0, }; |
| 4786 | int rc, batt_temp; |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 4787 | |
Subbaraman Narayanamurthy | 11bddec | 2016-09-26 11:27:24 -0700 | [diff] [blame] | 4788 | rc = fg_get_battery_temp(chip, &batt_temp); |
| 4789 | if (rc < 0) { |
| 4790 | pr_err("Error in getting batt_temp\n"); |
| 4791 | return IRQ_HANDLED; |
| 4792 | } |
Subbaraman Narayanamurthy | 11c772d | 2017-12-01 10:54:40 -0800 | [diff] [blame] | 4793 | fg_dbg(chip, FG_IRQ, "irq %d triggered bat_temp: %d\n", irq, batt_temp); |
Subbaraman Narayanamurthy | 11bddec | 2016-09-26 11:27:24 -0700 | [diff] [blame] | 4794 | |
Subbaraman Narayanamurthy | 11c772d | 2017-12-01 10:54:40 -0800 | [diff] [blame] | 4795 | rc = fg_esr_filter_config(chip, batt_temp, false); |
Subbaraman Narayanamurthy | b99ea4c | 2016-12-22 15:10:09 -0800 | [diff] [blame] | 4796 | if (rc < 0) |
| 4797 | pr_err("Error in configuring ESR filter rc:%d\n", rc); |
| 4798 | |
Subbaraman Narayanamurthy | 94e6305 | 2017-02-09 18:06:14 -0800 | [diff] [blame] | 4799 | rc = fg_slope_limit_config(chip, batt_temp); |
| 4800 | if (rc < 0) |
| 4801 | pr_err("Error in configuring slope limiter rc:%d\n", rc); |
| 4802 | |
Subbaraman Narayanamurthy | 1bf973e | 2017-04-04 19:24:20 -0700 | [diff] [blame] | 4803 | rc = fg_adjust_ki_coeff_full_soc(chip, batt_temp); |
| 4804 | if (rc < 0) |
| 4805 | pr_err("Error in configuring ki_coeff_full_soc rc:%d\n", rc); |
| 4806 | |
Abhijeet Dharmapurikar | 2cdd140 | 2017-01-10 15:38:27 -0800 | [diff] [blame] | 4807 | if (!batt_psy_initialized(chip)) { |
Subbaraman Narayanamurthy | 11bddec | 2016-09-26 11:27:24 -0700 | [diff] [blame] | 4808 | chip->last_batt_temp = batt_temp; |
| 4809 | return IRQ_HANDLED; |
| 4810 | } |
| 4811 | |
| 4812 | power_supply_get_property(chip->batt_psy, POWER_SUPPLY_PROP_HEALTH, |
| 4813 | &prop); |
| 4814 | chip->health = prop.intval; |
| 4815 | |
| 4816 | if (chip->last_batt_temp != batt_temp) { |
Anirudh Ghayal | ddabeee | 2017-04-04 06:13:48 +0530 | [diff] [blame] | 4817 | rc = fg_adjust_timebase(chip); |
| 4818 | if (rc < 0) |
| 4819 | pr_err("Error in adjusting timebase, rc=%d\n", rc); |
| 4820 | |
Subbaraman Narayanamurthy | fdca8c2 | 2017-08-04 12:25:49 -0700 | [diff] [blame] | 4821 | rc = fg_adjust_recharge_voltage(chip); |
| 4822 | if (rc < 0) |
| 4823 | pr_err("Error in adjusting recharge_voltage, rc=%d\n", |
| 4824 | rc); |
| 4825 | |
Subbaraman Narayanamurthy | 11bddec | 2016-09-26 11:27:24 -0700 | [diff] [blame] | 4826 | chip->last_batt_temp = batt_temp; |
| 4827 | power_supply_changed(chip->batt_psy); |
| 4828 | } |
| 4829 | |
| 4830 | if (abs(chip->last_batt_temp - batt_temp) > 30) |
| 4831 | pr_warn("Battery temperature last:%d current: %d\n", |
| 4832 | chip->last_batt_temp, batt_temp); |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 4833 | return IRQ_HANDLED; |
| 4834 | } |
| 4835 | |
| 4836 | static irqreturn_t fg_first_est_irq_handler(int irq, void *data) |
| 4837 | { |
| 4838 | struct fg_chip *chip = data; |
| 4839 | |
| 4840 | fg_dbg(chip, FG_IRQ, "irq %d triggered\n", irq); |
| 4841 | complete_all(&chip->soc_ready); |
| 4842 | return IRQ_HANDLED; |
| 4843 | } |
| 4844 | |
| 4845 | static irqreturn_t fg_soc_update_irq_handler(int irq, void *data) |
| 4846 | { |
| 4847 | struct fg_chip *chip = data; |
| 4848 | |
| 4849 | fg_dbg(chip, FG_IRQ, "irq %d triggered\n", irq); |
| 4850 | complete_all(&chip->soc_update); |
| 4851 | return IRQ_HANDLED; |
| 4852 | } |
| 4853 | |
Subbaraman Narayanamurthy | fbf2537 | 2017-01-03 15:39:08 -0800 | [diff] [blame] | 4854 | static irqreturn_t fg_delta_bsoc_irq_handler(int irq, void *data) |
| 4855 | { |
| 4856 | struct fg_chip *chip = data; |
| 4857 | int rc; |
| 4858 | |
| 4859 | fg_dbg(chip, FG_IRQ, "irq %d triggered\n", irq); |
| 4860 | rc = fg_charge_full_update(chip); |
| 4861 | if (rc < 0) |
| 4862 | pr_err("Error in charge_full_update, rc=%d\n", rc); |
| 4863 | |
| 4864 | return IRQ_HANDLED; |
| 4865 | } |
| 4866 | |
| 4867 | static irqreturn_t fg_delta_msoc_irq_handler(int irq, void *data) |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 4868 | { |
| 4869 | struct fg_chip *chip = data; |
Subbaraman Narayanamurthy | f9611e3 | 2016-09-26 11:12:47 -0700 | [diff] [blame] | 4870 | int rc; |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 4871 | |
Subbaraman Narayanamurthy | 03e6c61 | 2016-11-09 16:40:27 -0800 | [diff] [blame] | 4872 | fg_dbg(chip, FG_IRQ, "irq %d triggered\n", irq); |
Subbaraman Narayanamurthy | f9c0b87 | 2017-06-09 15:09:11 -0700 | [diff] [blame] | 4873 | fg_cycle_counter_update(chip); |
Nicholas Troast | e29dec9 | 2016-08-24 09:35:11 -0700 | [diff] [blame] | 4874 | |
Subbaraman Narayanamurthy | 07be919 | 2016-09-14 14:48:49 -0700 | [diff] [blame] | 4875 | if (chip->cl.active) |
| 4876 | fg_cap_learning_update(chip); |
| 4877 | |
Subbaraman Narayanamurthy | f9611e3 | 2016-09-26 11:12:47 -0700 | [diff] [blame] | 4878 | rc = fg_charge_full_update(chip); |
| 4879 | if (rc < 0) |
| 4880 | pr_err("Error in charge_full_update, rc=%d\n", rc); |
| 4881 | |
Subbaraman Narayanamurthy | c1a94ed | 2016-10-05 19:58:58 -0700 | [diff] [blame] | 4882 | rc = fg_adjust_ki_coeff_dischg(chip); |
| 4883 | if (rc < 0) |
| 4884 | pr_err("Error in adjusting ki_coeff_dischg, rc=%d\n", rc); |
| 4885 | |
Subbaraman Narayanamurthy | 03f7d45 | 2017-01-06 15:47:24 -0800 | [diff] [blame] | 4886 | rc = fg_update_maint_soc(chip); |
| 4887 | if (rc < 0) |
| 4888 | pr_err("Error in updating maint_soc, rc=%d\n", rc); |
| 4889 | |
Subbaraman Narayanamurthy | dcfc866 | 2017-02-24 16:04:46 -0800 | [diff] [blame] | 4890 | rc = fg_esr_validate(chip); |
| 4891 | if (rc < 0) |
| 4892 | pr_err("Error in validating ESR, rc=%d\n", rc); |
| 4893 | |
Anirudh Ghayal | ddabeee | 2017-04-04 06:13:48 +0530 | [diff] [blame] | 4894 | rc = fg_adjust_timebase(chip); |
| 4895 | if (rc < 0) |
| 4896 | pr_err("Error in adjusting timebase, rc=%d\n", rc); |
| 4897 | |
Abhijeet Dharmapurikar | 2cdd140 | 2017-01-10 15:38:27 -0800 | [diff] [blame] | 4898 | if (batt_psy_initialized(chip)) |
Subbaraman Narayanamurthy | 03e6c61 | 2016-11-09 16:40:27 -0800 | [diff] [blame] | 4899 | power_supply_changed(chip->batt_psy); |
| 4900 | |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 4901 | return IRQ_HANDLED; |
| 4902 | } |
| 4903 | |
| 4904 | static irqreturn_t fg_empty_soc_irq_handler(int irq, void *data) |
| 4905 | { |
| 4906 | struct fg_chip *chip = data; |
| 4907 | |
Subbaraman Narayanamurthy | 03e6c61 | 2016-11-09 16:40:27 -0800 | [diff] [blame] | 4908 | fg_dbg(chip, FG_IRQ, "irq %d triggered\n", irq); |
Abhijeet Dharmapurikar | 2cdd140 | 2017-01-10 15:38:27 -0800 | [diff] [blame] | 4909 | if (batt_psy_initialized(chip)) |
Nicholas Troast | 65e2965 | 2016-09-22 11:27:04 -0700 | [diff] [blame] | 4910 | power_supply_changed(chip->batt_psy); |
| 4911 | |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 4912 | return IRQ_HANDLED; |
| 4913 | } |
| 4914 | |
| 4915 | static irqreturn_t fg_soc_irq_handler(int irq, void *data) |
| 4916 | { |
| 4917 | struct fg_chip *chip = data; |
| 4918 | |
| 4919 | fg_dbg(chip, FG_IRQ, "irq %d triggered\n", irq); |
| 4920 | return IRQ_HANDLED; |
| 4921 | } |
| 4922 | |
| 4923 | static irqreturn_t fg_dummy_irq_handler(int irq, void *data) |
| 4924 | { |
Subbaraman Narayanamurthy | 03e6c61 | 2016-11-09 16:40:27 -0800 | [diff] [blame] | 4925 | pr_debug("irq %d triggered\n", irq); |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 4926 | return IRQ_HANDLED; |
| 4927 | } |
| 4928 | |
| 4929 | static struct fg_irq_info fg_irqs[FG_IRQ_MAX] = { |
| 4930 | /* BATT_SOC irqs */ |
| 4931 | [MSOC_FULL_IRQ] = { |
Nicholas Troast | 3cc9718 | 2016-09-23 08:54:13 -0700 | [diff] [blame] | 4932 | .name = "msoc-full", |
| 4933 | .handler = fg_soc_irq_handler, |
| 4934 | }, |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 4935 | [MSOC_HIGH_IRQ] = { |
Nicholas Troast | 3cc9718 | 2016-09-23 08:54:13 -0700 | [diff] [blame] | 4936 | .name = "msoc-high", |
| 4937 | .handler = fg_soc_irq_handler, |
| 4938 | .wakeable = true, |
| 4939 | }, |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 4940 | [MSOC_EMPTY_IRQ] = { |
Nicholas Troast | 3cc9718 | 2016-09-23 08:54:13 -0700 | [diff] [blame] | 4941 | .name = "msoc-empty", |
| 4942 | .handler = fg_empty_soc_irq_handler, |
| 4943 | .wakeable = true, |
| 4944 | }, |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 4945 | [MSOC_LOW_IRQ] = { |
Nicholas Troast | 3cc9718 | 2016-09-23 08:54:13 -0700 | [diff] [blame] | 4946 | .name = "msoc-low", |
| 4947 | .handler = fg_soc_irq_handler, |
| 4948 | .wakeable = true, |
| 4949 | }, |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 4950 | [MSOC_DELTA_IRQ] = { |
Nicholas Troast | 3cc9718 | 2016-09-23 08:54:13 -0700 | [diff] [blame] | 4951 | .name = "msoc-delta", |
Subbaraman Narayanamurthy | fbf2537 | 2017-01-03 15:39:08 -0800 | [diff] [blame] | 4952 | .handler = fg_delta_msoc_irq_handler, |
Nicholas Troast | 3cc9718 | 2016-09-23 08:54:13 -0700 | [diff] [blame] | 4953 | .wakeable = true, |
| 4954 | }, |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 4955 | [BSOC_DELTA_IRQ] = { |
Nicholas Troast | 3cc9718 | 2016-09-23 08:54:13 -0700 | [diff] [blame] | 4956 | .name = "bsoc-delta", |
Subbaraman Narayanamurthy | fbf2537 | 2017-01-03 15:39:08 -0800 | [diff] [blame] | 4957 | .handler = fg_delta_bsoc_irq_handler, |
| 4958 | .wakeable = true, |
Nicholas Troast | 3cc9718 | 2016-09-23 08:54:13 -0700 | [diff] [blame] | 4959 | }, |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 4960 | [SOC_READY_IRQ] = { |
Nicholas Troast | 3cc9718 | 2016-09-23 08:54:13 -0700 | [diff] [blame] | 4961 | .name = "soc-ready", |
| 4962 | .handler = fg_first_est_irq_handler, |
| 4963 | .wakeable = true, |
| 4964 | }, |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 4965 | [SOC_UPDATE_IRQ] = { |
Nicholas Troast | 3cc9718 | 2016-09-23 08:54:13 -0700 | [diff] [blame] | 4966 | .name = "soc-update", |
| 4967 | .handler = fg_soc_update_irq_handler, |
| 4968 | }, |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 4969 | /* BATT_INFO irqs */ |
| 4970 | [BATT_TEMP_DELTA_IRQ] = { |
Nicholas Troast | 3cc9718 | 2016-09-23 08:54:13 -0700 | [diff] [blame] | 4971 | .name = "batt-temp-delta", |
| 4972 | .handler = fg_delta_batt_temp_irq_handler, |
Subbaraman Narayanamurthy | 11bddec | 2016-09-26 11:27:24 -0700 | [diff] [blame] | 4973 | .wakeable = true, |
Nicholas Troast | 3cc9718 | 2016-09-23 08:54:13 -0700 | [diff] [blame] | 4974 | }, |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 4975 | [BATT_MISSING_IRQ] = { |
Nicholas Troast | 3cc9718 | 2016-09-23 08:54:13 -0700 | [diff] [blame] | 4976 | .name = "batt-missing", |
| 4977 | .handler = fg_batt_missing_irq_handler, |
| 4978 | .wakeable = true, |
| 4979 | }, |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 4980 | [ESR_DELTA_IRQ] = { |
Nicholas Troast | 3cc9718 | 2016-09-23 08:54:13 -0700 | [diff] [blame] | 4981 | .name = "esr-delta", |
| 4982 | .handler = fg_dummy_irq_handler, |
| 4983 | }, |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 4984 | [VBATT_LOW_IRQ] = { |
Nicholas Troast | 3cc9718 | 2016-09-23 08:54:13 -0700 | [diff] [blame] | 4985 | .name = "vbatt-low", |
| 4986 | .handler = fg_vbatt_low_irq_handler, |
| 4987 | .wakeable = true, |
| 4988 | }, |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 4989 | [VBATT_PRED_DELTA_IRQ] = { |
Nicholas Troast | 3cc9718 | 2016-09-23 08:54:13 -0700 | [diff] [blame] | 4990 | .name = "vbatt-pred-delta", |
| 4991 | .handler = fg_dummy_irq_handler, |
| 4992 | }, |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 4993 | /* MEM_IF irqs */ |
| 4994 | [DMA_GRANT_IRQ] = { |
Nicholas Troast | 3cc9718 | 2016-09-23 08:54:13 -0700 | [diff] [blame] | 4995 | .name = "dma-grant", |
Subbaraman Narayanamurthy | 0d05477 | 2017-11-16 18:15:37 -0800 | [diff] [blame] | 4996 | .handler = fg_dummy_irq_handler, |
Subbaraman Narayanamurthy | 2d62e9e | 2017-06-02 17:40:28 -0700 | [diff] [blame] | 4997 | .wakeable = true, |
Nicholas Troast | 3cc9718 | 2016-09-23 08:54:13 -0700 | [diff] [blame] | 4998 | }, |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 4999 | [MEM_XCP_IRQ] = { |
Nicholas Troast | 3cc9718 | 2016-09-23 08:54:13 -0700 | [diff] [blame] | 5000 | .name = "mem-xcp", |
Subbaraman Narayanamurthy | a71c9dd | 2016-10-14 19:38:05 -0700 | [diff] [blame] | 5001 | .handler = fg_mem_xcp_irq_handler, |
Nicholas Troast | 3cc9718 | 2016-09-23 08:54:13 -0700 | [diff] [blame] | 5002 | }, |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 5003 | [IMA_RDY_IRQ] = { |
Nicholas Troast | 3cc9718 | 2016-09-23 08:54:13 -0700 | [diff] [blame] | 5004 | .name = "ima-rdy", |
| 5005 | .handler = fg_dummy_irq_handler, |
| 5006 | }, |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 5007 | }; |
| 5008 | |
| 5009 | static int fg_get_irq_index_byname(const char *name) |
| 5010 | { |
| 5011 | int i; |
| 5012 | |
| 5013 | for (i = 0; i < ARRAY_SIZE(fg_irqs); i++) { |
| 5014 | if (strcmp(fg_irqs[i].name, name) == 0) |
| 5015 | return i; |
| 5016 | } |
| 5017 | |
| 5018 | pr_err("%s is not in irq list\n", name); |
| 5019 | return -ENOENT; |
| 5020 | } |
| 5021 | |
| 5022 | static int fg_register_interrupts(struct fg_chip *chip) |
| 5023 | { |
| 5024 | struct device_node *child, *node = chip->dev->of_node; |
| 5025 | struct property *prop; |
| 5026 | const char *name; |
| 5027 | int rc, irq, irq_index; |
| 5028 | |
| 5029 | for_each_available_child_of_node(node, child) { |
| 5030 | of_property_for_each_string(child, "interrupt-names", prop, |
| 5031 | name) { |
| 5032 | irq = of_irq_get_byname(child, name); |
| 5033 | if (irq < 0) { |
| 5034 | dev_err(chip->dev, "failed to get irq %s irq:%d\n", |
| 5035 | name, irq); |
| 5036 | return irq; |
| 5037 | } |
| 5038 | |
| 5039 | irq_index = fg_get_irq_index_byname(name); |
| 5040 | if (irq_index < 0) |
| 5041 | return irq_index; |
| 5042 | |
| 5043 | rc = devm_request_threaded_irq(chip->dev, irq, NULL, |
| 5044 | fg_irqs[irq_index].handler, |
| 5045 | IRQF_ONESHOT, name, chip); |
| 5046 | if (rc < 0) { |
| 5047 | dev_err(chip->dev, "failed to register irq handler for %s rc:%d\n", |
| 5048 | name, rc); |
| 5049 | return rc; |
| 5050 | } |
| 5051 | |
| 5052 | fg_irqs[irq_index].irq = irq; |
| 5053 | if (fg_irqs[irq_index].wakeable) |
| 5054 | enable_irq_wake(fg_irqs[irq_index].irq); |
| 5055 | } |
| 5056 | } |
| 5057 | |
| 5058 | return 0; |
| 5059 | } |
| 5060 | |
Subbaraman Narayanamurthy | 784bd5b | 2017-05-17 17:43:22 -0700 | [diff] [blame] | 5061 | static int fg_parse_dt_property_u32_array(struct device_node *node, |
| 5062 | const char *prop_name, int *buf, int len) |
| 5063 | { |
| 5064 | int rc; |
| 5065 | |
| 5066 | rc = of_property_count_elems_of_size(node, prop_name, sizeof(u32)); |
| 5067 | if (rc < 0) { |
| 5068 | if (rc == -EINVAL) |
| 5069 | return 0; |
| 5070 | else |
| 5071 | return rc; |
| 5072 | } else if (rc != len) { |
| 5073 | pr_err("Incorrect length %d for %s, rc=%d\n", len, prop_name, |
| 5074 | rc); |
| 5075 | return -EINVAL; |
| 5076 | } |
| 5077 | |
| 5078 | rc = of_property_read_u32_array(node, prop_name, buf, len); |
| 5079 | if (rc < 0) { |
| 5080 | pr_err("Error in reading %s, rc=%d\n", prop_name, rc); |
| 5081 | return rc; |
| 5082 | } |
| 5083 | |
| 5084 | return 0; |
| 5085 | } |
| 5086 | |
Subbaraman Narayanamurthy | 94e6305 | 2017-02-09 18:06:14 -0800 | [diff] [blame] | 5087 | static int fg_parse_slope_limit_coefficients(struct fg_chip *chip) |
| 5088 | { |
| 5089 | struct device_node *node = chip->dev->of_node; |
| 5090 | int rc, i; |
| 5091 | |
| 5092 | rc = of_property_read_u32(node, "qcom,slope-limit-temp-threshold", |
| 5093 | &chip->dt.slope_limit_temp); |
| 5094 | if (rc < 0) |
| 5095 | return 0; |
| 5096 | |
Subbaraman Narayanamurthy | 784bd5b | 2017-05-17 17:43:22 -0700 | [diff] [blame] | 5097 | rc = fg_parse_dt_property_u32_array(node, "qcom,slope-limit-coeffs", |
| 5098 | chip->dt.slope_limit_coeffs, SLOPE_LIMIT_NUM_COEFFS); |
| 5099 | if (rc < 0) |
Subbaraman Narayanamurthy | 94e6305 | 2017-02-09 18:06:14 -0800 | [diff] [blame] | 5100 | return rc; |
Subbaraman Narayanamurthy | 94e6305 | 2017-02-09 18:06:14 -0800 | [diff] [blame] | 5101 | |
| 5102 | for (i = 0; i < SLOPE_LIMIT_NUM_COEFFS; i++) { |
| 5103 | if (chip->dt.slope_limit_coeffs[i] > SLOPE_LIMIT_COEFF_MAX || |
| 5104 | chip->dt.slope_limit_coeffs[i] < 0) { |
| 5105 | pr_err("Incorrect slope limit coefficient\n"); |
| 5106 | return -EINVAL; |
| 5107 | } |
| 5108 | } |
| 5109 | |
| 5110 | chip->slope_limit_en = true; |
| 5111 | return 0; |
| 5112 | } |
| 5113 | |
Subbaraman Narayanamurthy | c1a94ed | 2016-10-05 19:58:58 -0700 | [diff] [blame] | 5114 | static int fg_parse_ki_coefficients(struct fg_chip *chip) |
| 5115 | { |
| 5116 | struct device_node *node = chip->dev->of_node; |
Subbaraman Narayanamurthy | e17be58 | 2017-08-08 19:28:37 -0700 | [diff] [blame] | 5117 | int rc, i, temp; |
| 5118 | |
| 5119 | rc = of_property_read_u32(node, "qcom,ki-coeff-full-dischg", &temp); |
| 5120 | if (!rc) |
| 5121 | chip->dt.ki_coeff_full_soc_dischg = temp; |
Subbaraman Narayanamurthy | c1a94ed | 2016-10-05 19:58:58 -0700 | [diff] [blame] | 5122 | |
Subbaraman Narayanamurthy | 1310320 | 2018-03-19 12:16:36 -0700 | [diff] [blame] | 5123 | chip->dt.ki_coeff_hi_chg = -EINVAL; |
| 5124 | rc = of_property_read_u32(node, "qcom,ki-coeff-hi-chg", &temp); |
| 5125 | if (!rc) |
| 5126 | chip->dt.ki_coeff_hi_chg = temp; |
| 5127 | |
Subbaraman Narayanamurthy | db5f166 | 2018-04-04 19:47:30 -0700 | [diff] [blame] | 5128 | if (!of_find_property(node, "qcom,ki-coeff-soc-dischg", NULL) || |
| 5129 | (!of_find_property(node, "qcom,ki-coeff-low-dischg", NULL) && |
| 5130 | !of_find_property(node, "qcom,ki-coeff-med-dischg", NULL) && |
| 5131 | !of_find_property(node, "qcom,ki-coeff-hi-dischg", NULL))) |
| 5132 | return 0; |
Subbaraman Narayanamurthy | 1310320 | 2018-03-19 12:16:36 -0700 | [diff] [blame] | 5133 | |
Subbaraman Narayanamurthy | 784bd5b | 2017-05-17 17:43:22 -0700 | [diff] [blame] | 5134 | rc = fg_parse_dt_property_u32_array(node, "qcom,ki-coeff-soc-dischg", |
| 5135 | chip->dt.ki_coeff_soc, KI_COEFF_SOC_LEVELS); |
| 5136 | if (rc < 0) |
Subbaraman Narayanamurthy | c1a94ed | 2016-10-05 19:58:58 -0700 | [diff] [blame] | 5137 | return rc; |
Subbaraman Narayanamurthy | c1a94ed | 2016-10-05 19:58:58 -0700 | [diff] [blame] | 5138 | |
Subbaraman Narayanamurthy | db5f166 | 2018-04-04 19:47:30 -0700 | [diff] [blame] | 5139 | rc = fg_parse_dt_property_u32_array(node, "qcom,ki-coeff-low-dischg", |
| 5140 | chip->dt.ki_coeff_low_dischg, KI_COEFF_SOC_LEVELS); |
| 5141 | if (rc < 0) |
| 5142 | return rc; |
| 5143 | |
Subbaraman Narayanamurthy | 784bd5b | 2017-05-17 17:43:22 -0700 | [diff] [blame] | 5144 | rc = fg_parse_dt_property_u32_array(node, "qcom,ki-coeff-med-dischg", |
| 5145 | chip->dt.ki_coeff_med_dischg, KI_COEFF_SOC_LEVELS); |
| 5146 | if (rc < 0) |
Subbaraman Narayanamurthy | c1a94ed | 2016-10-05 19:58:58 -0700 | [diff] [blame] | 5147 | return rc; |
Subbaraman Narayanamurthy | c1a94ed | 2016-10-05 19:58:58 -0700 | [diff] [blame] | 5148 | |
Subbaraman Narayanamurthy | 784bd5b | 2017-05-17 17:43:22 -0700 | [diff] [blame] | 5149 | rc = fg_parse_dt_property_u32_array(node, "qcom,ki-coeff-hi-dischg", |
| 5150 | chip->dt.ki_coeff_hi_dischg, KI_COEFF_SOC_LEVELS); |
| 5151 | if (rc < 0) |
Subbaraman Narayanamurthy | c1a94ed | 2016-10-05 19:58:58 -0700 | [diff] [blame] | 5152 | return rc; |
Subbaraman Narayanamurthy | c1a94ed | 2016-10-05 19:58:58 -0700 | [diff] [blame] | 5153 | |
| 5154 | for (i = 0; i < KI_COEFF_SOC_LEVELS; i++) { |
| 5155 | if (chip->dt.ki_coeff_soc[i] < 0 || |
| 5156 | chip->dt.ki_coeff_soc[i] > FULL_CAPACITY) { |
| 5157 | pr_err("Error in ki_coeff_soc_dischg values\n"); |
| 5158 | return -EINVAL; |
| 5159 | } |
| 5160 | |
Subbaraman Narayanamurthy | db5f166 | 2018-04-04 19:47:30 -0700 | [diff] [blame] | 5161 | if (chip->dt.ki_coeff_low_dischg[i] < 0 || |
| 5162 | chip->dt.ki_coeff_low_dischg[i] > KI_COEFF_MAX) { |
| 5163 | pr_err("Error in ki_coeff_low_dischg values\n"); |
Subbaraman Narayanamurthy | c1a94ed | 2016-10-05 19:58:58 -0700 | [diff] [blame] | 5164 | return -EINVAL; |
| 5165 | } |
| 5166 | |
| 5167 | if (chip->dt.ki_coeff_med_dischg[i] < 0 || |
| 5168 | chip->dt.ki_coeff_med_dischg[i] > KI_COEFF_MAX) { |
| 5169 | pr_err("Error in ki_coeff_med_dischg values\n"); |
| 5170 | return -EINVAL; |
| 5171 | } |
Subbaraman Narayanamurthy | db5f166 | 2018-04-04 19:47:30 -0700 | [diff] [blame] | 5172 | |
| 5173 | if (chip->dt.ki_coeff_hi_dischg[i] < 0 || |
| 5174 | chip->dt.ki_coeff_hi_dischg[i] > KI_COEFF_MAX) { |
| 5175 | pr_err("Error in ki_coeff_hi_dischg values\n"); |
| 5176 | return -EINVAL; |
| 5177 | } |
Subbaraman Narayanamurthy | c1a94ed | 2016-10-05 19:58:58 -0700 | [diff] [blame] | 5178 | } |
| 5179 | chip->ki_coeff_dischg_en = true; |
| 5180 | return 0; |
| 5181 | } |
| 5182 | |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 5183 | #define DEFAULT_CUTOFF_VOLT_MV 3200 |
Subbaraman Narayanamurthy | 8b24994 | 2017-05-19 13:50:44 -0700 | [diff] [blame] | 5184 | #define DEFAULT_EMPTY_VOLT_MV 2850 |
Subbaraman Narayanamurthy | 4cf5c1c | 2016-11-17 13:58:06 -0800 | [diff] [blame] | 5185 | #define DEFAULT_RECHARGE_VOLT_MV 4250 |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 5186 | #define DEFAULT_CHG_TERM_CURR_MA 100 |
Subbaraman Narayanamurthy | a4e1888 | 2017-04-04 20:28:03 -0700 | [diff] [blame] | 5187 | #define DEFAULT_CHG_TERM_BASE_CURR_MA 75 |
Subbaraman Narayanamurthy | 4bf3ce2 | 2016-09-19 11:17:59 -0700 | [diff] [blame] | 5188 | #define DEFAULT_SYS_TERM_CURR_MA -125 |
Subbaraman Narayanamurthy | 5566f50 | 2017-12-19 19:39:03 -0800 | [diff] [blame] | 5189 | #define DEFAULT_CUTOFF_CURR_MA 500 |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 5190 | #define DEFAULT_DELTA_SOC_THR 1 |
| 5191 | #define DEFAULT_RECHARGE_SOC_THR 95 |
| 5192 | #define DEFAULT_BATT_TEMP_COLD 0 |
| 5193 | #define DEFAULT_BATT_TEMP_COOL 5 |
| 5194 | #define DEFAULT_BATT_TEMP_WARM 45 |
| 5195 | #define DEFAULT_BATT_TEMP_HOT 50 |
Subbaraman Narayanamurthy | 07be919 | 2016-09-14 14:48:49 -0700 | [diff] [blame] | 5196 | #define DEFAULT_CL_START_SOC 15 |
| 5197 | #define DEFAULT_CL_MIN_TEMP_DECIDEGC 150 |
Subbaraman Narayanamurthy | a01aac9 | 2017-10-11 14:05:11 -0700 | [diff] [blame] | 5198 | #define DEFAULT_CL_MAX_TEMP_DECIDEGC 500 |
Subbaraman Narayanamurthy | 07be919 | 2016-09-14 14:48:49 -0700 | [diff] [blame] | 5199 | #define DEFAULT_CL_MAX_INC_DECIPERC 5 |
| 5200 | #define DEFAULT_CL_MAX_DEC_DECIPERC 100 |
| 5201 | #define DEFAULT_CL_MIN_LIM_DECIPERC 0 |
| 5202 | #define DEFAULT_CL_MAX_LIM_DECIPERC 0 |
Subbaraman Narayanamurthy | 11bddec | 2016-09-26 11:27:24 -0700 | [diff] [blame] | 5203 | #define BTEMP_DELTA_LOW 2 |
| 5204 | #define BTEMP_DELTA_HIGH 10 |
Subbaraman Narayanamurthy | b99ea4c | 2016-12-22 15:10:09 -0800 | [diff] [blame] | 5205 | #define DEFAULT_ESR_FLT_TEMP_DECIDEGC 100 |
| 5206 | #define DEFAULT_ESR_TIGHT_FLT_UPCT 3907 |
| 5207 | #define DEFAULT_ESR_BROAD_FLT_UPCT 99610 |
Subbaraman Narayanamurthy | 5feefbb | 2017-12-07 19:12:27 -0800 | [diff] [blame] | 5208 | #define DEFAULT_ESR_TIGHT_LT_FLT_UPCT 30000 |
| 5209 | #define DEFAULT_ESR_BROAD_LT_FLT_UPCT 30000 |
Subbaraman Narayanamurthy | 11c772d | 2017-12-01 10:54:40 -0800 | [diff] [blame] | 5210 | #define DEFAULT_ESR_FLT_RT_DECIDEGC 60 |
| 5211 | #define DEFAULT_ESR_TIGHT_RT_FLT_UPCT 5860 |
| 5212 | #define DEFAULT_ESR_BROAD_RT_FLT_UPCT 156250 |
Subbaraman Narayanamurthy | dcfc866 | 2017-02-24 16:04:46 -0800 | [diff] [blame] | 5213 | #define DEFAULT_ESR_CLAMP_MOHMS 20 |
Subbaraman Narayanamurthy | e14037f | 2017-03-16 19:14:58 -0700 | [diff] [blame] | 5214 | #define DEFAULT_ESR_PULSE_THRESH_MA 110 |
| 5215 | #define DEFAULT_ESR_MEAS_CURR_MA 120 |
Fenglin Wu | d10ccf1 | 2017-08-10 15:43:41 +0800 | [diff] [blame] | 5216 | #define DEFAULT_BMD_EN_DELAY_MS 200 |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 5217 | static int fg_parse_dt(struct fg_chip *chip) |
| 5218 | { |
| 5219 | struct device_node *child, *revid_node, *node = chip->dev->of_node; |
| 5220 | u32 base, temp; |
| 5221 | u8 subtype; |
Subbaraman Narayanamurthy | 65ff45e | 2016-09-23 19:11:17 -0700 | [diff] [blame] | 5222 | int rc; |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 5223 | |
| 5224 | if (!node) { |
| 5225 | dev_err(chip->dev, "device tree node missing\n"); |
| 5226 | return -ENXIO; |
| 5227 | } |
| 5228 | |
| 5229 | revid_node = of_parse_phandle(node, "qcom,pmic-revid", 0); |
| 5230 | if (!revid_node) { |
| 5231 | pr_err("Missing qcom,pmic-revid property - driver failed\n"); |
| 5232 | return -EINVAL; |
| 5233 | } |
| 5234 | |
| 5235 | chip->pmic_rev_id = get_revid_data(revid_node); |
| 5236 | if (IS_ERR_OR_NULL(chip->pmic_rev_id)) { |
| 5237 | pr_err("Unable to get pmic_revid rc=%ld\n", |
| 5238 | PTR_ERR(chip->pmic_rev_id)); |
| 5239 | /* |
| 5240 | * the revid peripheral must be registered, any failure |
| 5241 | * here only indicates that the rev-id module has not |
| 5242 | * probed yet. |
| 5243 | */ |
| 5244 | return -EPROBE_DEFER; |
| 5245 | } |
| 5246 | |
| 5247 | pr_debug("PMIC subtype %d Digital major %d\n", |
| 5248 | chip->pmic_rev_id->pmic_subtype, chip->pmic_rev_id->rev4); |
| 5249 | |
| 5250 | switch (chip->pmic_rev_id->pmic_subtype) { |
Harry Yang | 2452b27 | 2017-03-06 13:56:14 -0800 | [diff] [blame] | 5251 | case PMI8998_SUBTYPE: |
Subbaraman Narayanamurthy | 2d62e9e | 2017-06-02 17:40:28 -0700 | [diff] [blame] | 5252 | chip->use_dma = true; |
Harry Yang | 2452b27 | 2017-03-06 13:56:14 -0800 | [diff] [blame] | 5253 | if (chip->pmic_rev_id->rev4 < PMI8998_V2P0_REV4) { |
| 5254 | chip->sp = pmi8998_v1_sram_params; |
| 5255 | chip->alg_flags = pmi8998_v1_alg_flags; |
Ashay Jaiswal | 63d486e | 2016-12-07 11:21:32 +0530 | [diff] [blame] | 5256 | chip->wa_flags |= PMI8998_V1_REV_WA; |
Harry Yang | 2452b27 | 2017-03-06 13:56:14 -0800 | [diff] [blame] | 5257 | } else if (chip->pmic_rev_id->rev4 == PMI8998_V2P0_REV4) { |
| 5258 | chip->sp = pmi8998_v2_sram_params; |
| 5259 | chip->alg_flags = pmi8998_v2_alg_flags; |
Nicholas Troast | 69da225 | 2016-09-07 16:17:47 -0700 | [diff] [blame] | 5260 | } else { |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 5261 | return -EINVAL; |
Nicholas Troast | 69da225 | 2016-09-07 16:17:47 -0700 | [diff] [blame] | 5262 | } |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 5263 | break; |
Harry Yang | e4e731b | 2017-03-06 14:35:09 -0800 | [diff] [blame] | 5264 | case PM660_SUBTYPE: |
Ashay Jaiswal | 63d486e | 2016-12-07 11:21:32 +0530 | [diff] [blame] | 5265 | chip->sp = pmi8998_v2_sram_params; |
| 5266 | chip->alg_flags = pmi8998_v2_alg_flags; |
Subbaraman Narayanamurthy | 9b86645 | 2017-03-27 16:29:25 -0700 | [diff] [blame] | 5267 | chip->use_ima_single_mode = true; |
Anirudh Ghayal | ddabeee | 2017-04-04 06:13:48 +0530 | [diff] [blame] | 5268 | if (chip->pmic_rev_id->fab_id == PM660_FAB_ID_TSMC) |
| 5269 | chip->wa_flags |= PM660_TSMC_OSC_WA; |
Ashay Jaiswal | 63d486e | 2016-12-07 11:21:32 +0530 | [diff] [blame] | 5270 | break; |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 5271 | default: |
| 5272 | return -EINVAL; |
| 5273 | } |
| 5274 | |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 5275 | if (of_get_available_child_count(node) == 0) { |
| 5276 | dev_err(chip->dev, "No child nodes specified!\n"); |
| 5277 | return -ENXIO; |
| 5278 | } |
| 5279 | |
| 5280 | for_each_available_child_of_node(node, child) { |
| 5281 | rc = of_property_read_u32(child, "reg", &base); |
| 5282 | if (rc < 0) { |
| 5283 | dev_err(chip->dev, "reg not specified in node %s, rc=%d\n", |
| 5284 | child->full_name, rc); |
| 5285 | return rc; |
| 5286 | } |
| 5287 | |
| 5288 | rc = fg_read(chip, base + PERPH_SUBTYPE_REG, &subtype, 1); |
| 5289 | if (rc < 0) { |
| 5290 | dev_err(chip->dev, "Couldn't read subtype for base %d, rc=%d\n", |
| 5291 | base, rc); |
| 5292 | return rc; |
| 5293 | } |
| 5294 | |
| 5295 | switch (subtype) { |
Harry Yang | 2452b27 | 2017-03-06 13:56:14 -0800 | [diff] [blame] | 5296 | case FG_BATT_SOC_PMI8998: |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 5297 | chip->batt_soc_base = base; |
| 5298 | break; |
Harry Yang | 2452b27 | 2017-03-06 13:56:14 -0800 | [diff] [blame] | 5299 | case FG_BATT_INFO_PMI8998: |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 5300 | chip->batt_info_base = base; |
| 5301 | break; |
Harry Yang | 2452b27 | 2017-03-06 13:56:14 -0800 | [diff] [blame] | 5302 | case FG_MEM_INFO_PMI8998: |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 5303 | chip->mem_if_base = base; |
| 5304 | break; |
| 5305 | default: |
| 5306 | dev_err(chip->dev, "Invalid peripheral subtype 0x%x\n", |
| 5307 | subtype); |
| 5308 | return -ENXIO; |
| 5309 | } |
| 5310 | } |
| 5311 | |
Subbaraman Narayanamurthy | 243fc3f | 2016-11-28 16:05:09 -0800 | [diff] [blame] | 5312 | rc = of_property_read_u32(node, "qcom,rradc-base", &base); |
| 5313 | if (rc < 0) { |
| 5314 | dev_err(chip->dev, "rradc-base not specified, rc=%d\n", rc); |
| 5315 | return rc; |
| 5316 | } |
| 5317 | chip->rradc_base = base; |
| 5318 | |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 5319 | /* Read all the optional properties below */ |
| 5320 | rc = of_property_read_u32(node, "qcom,fg-cutoff-voltage", &temp); |
| 5321 | if (rc < 0) |
| 5322 | chip->dt.cutoff_volt_mv = DEFAULT_CUTOFF_VOLT_MV; |
| 5323 | else |
| 5324 | chip->dt.cutoff_volt_mv = temp; |
| 5325 | |
| 5326 | rc = of_property_read_u32(node, "qcom,fg-empty-voltage", &temp); |
| 5327 | if (rc < 0) |
| 5328 | chip->dt.empty_volt_mv = DEFAULT_EMPTY_VOLT_MV; |
| 5329 | else |
| 5330 | chip->dt.empty_volt_mv = temp; |
| 5331 | |
| 5332 | rc = of_property_read_u32(node, "qcom,fg-vbatt-low-thr", &temp); |
| 5333 | if (rc < 0) |
| 5334 | chip->dt.vbatt_low_thr_mv = -EINVAL; |
| 5335 | else |
| 5336 | chip->dt.vbatt_low_thr_mv = temp; |
| 5337 | |
| 5338 | rc = of_property_read_u32(node, "qcom,fg-chg-term-current", &temp); |
| 5339 | if (rc < 0) |
| 5340 | chip->dt.chg_term_curr_ma = DEFAULT_CHG_TERM_CURR_MA; |
| 5341 | else |
| 5342 | chip->dt.chg_term_curr_ma = temp; |
| 5343 | |
| 5344 | rc = of_property_read_u32(node, "qcom,fg-sys-term-current", &temp); |
| 5345 | if (rc < 0) |
| 5346 | chip->dt.sys_term_curr_ma = DEFAULT_SYS_TERM_CURR_MA; |
| 5347 | else |
| 5348 | chip->dt.sys_term_curr_ma = temp; |
| 5349 | |
Subbaraman Narayanamurthy | a4e1888 | 2017-04-04 20:28:03 -0700 | [diff] [blame] | 5350 | rc = of_property_read_u32(node, "qcom,fg-chg-term-base-current", &temp); |
| 5351 | if (rc < 0) |
| 5352 | chip->dt.chg_term_base_curr_ma = DEFAULT_CHG_TERM_BASE_CURR_MA; |
| 5353 | else |
| 5354 | chip->dt.chg_term_base_curr_ma = temp; |
| 5355 | |
Subbaraman Narayanamurthy | 5566f50 | 2017-12-19 19:39:03 -0800 | [diff] [blame] | 5356 | rc = of_property_read_u32(node, "qcom,fg-cutoff-current", &temp); |
| 5357 | if (rc < 0) |
| 5358 | chip->dt.cutoff_curr_ma = DEFAULT_CUTOFF_CURR_MA; |
| 5359 | else |
| 5360 | chip->dt.cutoff_curr_ma = temp; |
| 5361 | |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 5362 | rc = of_property_read_u32(node, "qcom,fg-delta-soc-thr", &temp); |
| 5363 | if (rc < 0) |
| 5364 | chip->dt.delta_soc_thr = DEFAULT_DELTA_SOC_THR; |
| 5365 | else |
| 5366 | chip->dt.delta_soc_thr = temp; |
| 5367 | |
| 5368 | rc = of_property_read_u32(node, "qcom,fg-recharge-soc-thr", &temp); |
| 5369 | if (rc < 0) |
| 5370 | chip->dt.recharge_soc_thr = DEFAULT_RECHARGE_SOC_THR; |
| 5371 | else |
| 5372 | chip->dt.recharge_soc_thr = temp; |
| 5373 | |
Subbaraman Narayanamurthy | 4cf5c1c | 2016-11-17 13:58:06 -0800 | [diff] [blame] | 5374 | rc = of_property_read_u32(node, "qcom,fg-recharge-voltage", &temp); |
| 5375 | if (rc < 0) |
| 5376 | chip->dt.recharge_volt_thr_mv = DEFAULT_RECHARGE_VOLT_MV; |
| 5377 | else |
| 5378 | chip->dt.recharge_volt_thr_mv = temp; |
| 5379 | |
Subbaraman Narayanamurthy | deeaec72 | 2016-12-22 18:55:25 -0800 | [diff] [blame] | 5380 | chip->dt.auto_recharge_soc = of_property_read_bool(node, |
| 5381 | "qcom,fg-auto-recharge-soc"); |
| 5382 | |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 5383 | rc = of_property_read_u32(node, "qcom,fg-rsense-sel", &temp); |
| 5384 | if (rc < 0) |
| 5385 | chip->dt.rsense_sel = SRC_SEL_BATFET_SMB; |
| 5386 | else |
| 5387 | chip->dt.rsense_sel = (u8)temp & SOURCE_SELECT_MASK; |
| 5388 | |
| 5389 | chip->dt.jeita_thresholds[JEITA_COLD] = DEFAULT_BATT_TEMP_COLD; |
| 5390 | chip->dt.jeita_thresholds[JEITA_COOL] = DEFAULT_BATT_TEMP_COOL; |
| 5391 | chip->dt.jeita_thresholds[JEITA_WARM] = DEFAULT_BATT_TEMP_WARM; |
| 5392 | chip->dt.jeita_thresholds[JEITA_HOT] = DEFAULT_BATT_TEMP_HOT; |
Subbaraman Narayanamurthy | 65ff45e | 2016-09-23 19:11:17 -0700 | [diff] [blame] | 5393 | if (of_property_count_elems_of_size(node, "qcom,fg-jeita-thresholds", |
| 5394 | sizeof(u32)) == NUM_JEITA_LEVELS) { |
| 5395 | rc = of_property_read_u32_array(node, |
| 5396 | "qcom,fg-jeita-thresholds", |
| 5397 | chip->dt.jeita_thresholds, NUM_JEITA_LEVELS); |
| 5398 | if (rc < 0) |
| 5399 | pr_warn("Error reading Jeita thresholds, default values will be used rc:%d\n", |
| 5400 | rc); |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 5401 | } |
| 5402 | |
cyizhao | fb3eec5 | 2017-01-24 17:08:55 +0800 | [diff] [blame] | 5403 | if (of_property_count_elems_of_size(node, |
| 5404 | "qcom,battery-thermal-coefficients", |
| 5405 | sizeof(u8)) == BATT_THERM_NUM_COEFFS) { |
| 5406 | rc = of_property_read_u8_array(node, |
| 5407 | "qcom,battery-thermal-coefficients", |
| 5408 | chip->dt.batt_therm_coeffs, |
| 5409 | BATT_THERM_NUM_COEFFS); |
| 5410 | if (rc < 0) |
| 5411 | pr_warn("Error reading battery thermal coefficients, rc:%d\n", |
| 5412 | rc); |
| 5413 | } |
| 5414 | |
Subbaraman Narayanamurthy | 784bd5b | 2017-05-17 17:43:22 -0700 | [diff] [blame] | 5415 | rc = fg_parse_dt_property_u32_array(node, "qcom,fg-esr-timer-charging", |
| 5416 | chip->dt.esr_timer_charging, NUM_ESR_TIMERS); |
| 5417 | if (rc < 0) { |
| 5418 | chip->dt.esr_timer_charging[TIMER_RETRY] = -EINVAL; |
| 5419 | chip->dt.esr_timer_charging[TIMER_MAX] = -EINVAL; |
| 5420 | } |
Nicholas Troast | dcf8fe6 | 2016-08-04 14:30:02 -0700 | [diff] [blame] | 5421 | |
Subbaraman Narayanamurthy | 784bd5b | 2017-05-17 17:43:22 -0700 | [diff] [blame] | 5422 | rc = fg_parse_dt_property_u32_array(node, "qcom,fg-esr-timer-awake", |
| 5423 | chip->dt.esr_timer_awake, NUM_ESR_TIMERS); |
| 5424 | if (rc < 0) { |
| 5425 | chip->dt.esr_timer_awake[TIMER_RETRY] = -EINVAL; |
| 5426 | chip->dt.esr_timer_awake[TIMER_MAX] = -EINVAL; |
| 5427 | } |
Nicholas Troast | dcf8fe6 | 2016-08-04 14:30:02 -0700 | [diff] [blame] | 5428 | |
Subbaraman Narayanamurthy | 784bd5b | 2017-05-17 17:43:22 -0700 | [diff] [blame] | 5429 | rc = fg_parse_dt_property_u32_array(node, "qcom,fg-esr-timer-asleep", |
| 5430 | chip->dt.esr_timer_asleep, NUM_ESR_TIMERS); |
| 5431 | if (rc < 0) { |
| 5432 | chip->dt.esr_timer_asleep[TIMER_RETRY] = -EINVAL; |
| 5433 | chip->dt.esr_timer_asleep[TIMER_MAX] = -EINVAL; |
| 5434 | } |
Nicholas Troast | dcf8fe6 | 2016-08-04 14:30:02 -0700 | [diff] [blame] | 5435 | |
Anirudh Ghayal | 09d088f | 2018-08-08 10:08:54 +0530 | [diff] [blame] | 5436 | rc = fg_parse_dt_property_u32_array(node, "qcom,fg-esr-timer-shutdown", |
| 5437 | chip->dt.esr_timer_shutdown, NUM_ESR_TIMERS); |
| 5438 | if (rc < 0) { |
| 5439 | chip->dt.esr_timer_shutdown[TIMER_RETRY] = -EINVAL; |
| 5440 | chip->dt.esr_timer_shutdown[TIMER_MAX] = -EINVAL; |
| 5441 | } |
| 5442 | |
Nicholas Troast | e29dec9 | 2016-08-24 09:35:11 -0700 | [diff] [blame] | 5443 | chip->cyc_ctr.en = of_property_read_bool(node, "qcom,cycle-counter-en"); |
Nicholas Troast | dcf8fe6 | 2016-08-04 14:30:02 -0700 | [diff] [blame] | 5444 | |
Subbaraman Narayanamurthy | 6da170e | 2016-09-21 12:36:03 -0700 | [diff] [blame] | 5445 | chip->dt.force_load_profile = of_property_read_bool(node, |
| 5446 | "qcom,fg-force-load-profile"); |
| 5447 | |
Subbaraman Narayanamurthy | 07be919 | 2016-09-14 14:48:49 -0700 | [diff] [blame] | 5448 | rc = of_property_read_u32(node, "qcom,cl-start-capacity", &temp); |
| 5449 | if (rc < 0) |
| 5450 | chip->dt.cl_start_soc = DEFAULT_CL_START_SOC; |
| 5451 | else |
| 5452 | chip->dt.cl_start_soc = temp; |
| 5453 | |
| 5454 | rc = of_property_read_u32(node, "qcom,cl-min-temp", &temp); |
| 5455 | if (rc < 0) |
| 5456 | chip->dt.cl_min_temp = DEFAULT_CL_MIN_TEMP_DECIDEGC; |
| 5457 | else |
| 5458 | chip->dt.cl_min_temp = temp; |
| 5459 | |
| 5460 | rc = of_property_read_u32(node, "qcom,cl-max-temp", &temp); |
| 5461 | if (rc < 0) |
| 5462 | chip->dt.cl_max_temp = DEFAULT_CL_MAX_TEMP_DECIDEGC; |
| 5463 | else |
| 5464 | chip->dt.cl_max_temp = temp; |
| 5465 | |
| 5466 | rc = of_property_read_u32(node, "qcom,cl-max-increment", &temp); |
| 5467 | if (rc < 0) |
| 5468 | chip->dt.cl_max_cap_inc = DEFAULT_CL_MAX_INC_DECIPERC; |
| 5469 | else |
| 5470 | chip->dt.cl_max_cap_inc = temp; |
| 5471 | |
| 5472 | rc = of_property_read_u32(node, "qcom,cl-max-decrement", &temp); |
| 5473 | if (rc < 0) |
| 5474 | chip->dt.cl_max_cap_dec = DEFAULT_CL_MAX_DEC_DECIPERC; |
| 5475 | else |
| 5476 | chip->dt.cl_max_cap_dec = temp; |
| 5477 | |
| 5478 | rc = of_property_read_u32(node, "qcom,cl-min-limit", &temp); |
| 5479 | if (rc < 0) |
| 5480 | chip->dt.cl_min_cap_limit = DEFAULT_CL_MIN_LIM_DECIPERC; |
| 5481 | else |
| 5482 | chip->dt.cl_min_cap_limit = temp; |
| 5483 | |
| 5484 | rc = of_property_read_u32(node, "qcom,cl-max-limit", &temp); |
| 5485 | if (rc < 0) |
| 5486 | chip->dt.cl_max_cap_limit = DEFAULT_CL_MAX_LIM_DECIPERC; |
| 5487 | else |
| 5488 | chip->dt.cl_max_cap_limit = temp; |
| 5489 | |
Subbaraman Narayanamurthy | 65ff45e | 2016-09-23 19:11:17 -0700 | [diff] [blame] | 5490 | rc = of_property_read_u32(node, "qcom,fg-jeita-hyst-temp", &temp); |
| 5491 | if (rc < 0) |
| 5492 | chip->dt.jeita_hyst_temp = -EINVAL; |
| 5493 | else |
| 5494 | chip->dt.jeita_hyst_temp = temp; |
| 5495 | |
Subbaraman Narayanamurthy | 11bddec | 2016-09-26 11:27:24 -0700 | [diff] [blame] | 5496 | rc = of_property_read_u32(node, "qcom,fg-batt-temp-delta", &temp); |
| 5497 | if (rc < 0) |
| 5498 | chip->dt.batt_temp_delta = -EINVAL; |
| 5499 | else if (temp > BTEMP_DELTA_LOW && temp <= BTEMP_DELTA_HIGH) |
| 5500 | chip->dt.batt_temp_delta = temp; |
| 5501 | |
Subbaraman Narayanamurthy | f9611e3 | 2016-09-26 11:12:47 -0700 | [diff] [blame] | 5502 | chip->dt.hold_soc_while_full = of_property_read_bool(node, |
| 5503 | "qcom,hold-soc-while-full"); |
Subbaraman Narayanamurthy | c1a94ed | 2016-10-05 19:58:58 -0700 | [diff] [blame] | 5504 | |
Subbaraman Narayanamurthy | 50fb7fd | 2017-07-25 20:01:25 -0700 | [diff] [blame] | 5505 | chip->dt.linearize_soc = of_property_read_bool(node, |
| 5506 | "qcom,linearize-soc"); |
| 5507 | |
Subbaraman Narayanamurthy | c1a94ed | 2016-10-05 19:58:58 -0700 | [diff] [blame] | 5508 | rc = fg_parse_ki_coefficients(chip); |
| 5509 | if (rc < 0) |
| 5510 | pr_err("Error in parsing Ki coefficients, rc=%d\n", rc); |
| 5511 | |
Subbaraman Narayanamurthy | c297f6de | 2016-11-28 18:05:20 -0800 | [diff] [blame] | 5512 | rc = of_property_read_u32(node, "qcom,fg-rconn-mohms", &temp); |
Subbaraman Narayanamurthy | 8909f37 | 2017-03-14 19:50:57 -0700 | [diff] [blame] | 5513 | if (!rc) |
Subbaraman Narayanamurthy | c297f6de | 2016-11-28 18:05:20 -0800 | [diff] [blame] | 5514 | chip->dt.rconn_mohms = temp; |
| 5515 | |
Subbaraman Narayanamurthy | b99ea4c | 2016-12-22 15:10:09 -0800 | [diff] [blame] | 5516 | rc = of_property_read_u32(node, "qcom,fg-esr-filter-switch-temp", |
| 5517 | &temp); |
| 5518 | if (rc < 0) |
| 5519 | chip->dt.esr_flt_switch_temp = DEFAULT_ESR_FLT_TEMP_DECIDEGC; |
| 5520 | else |
| 5521 | chip->dt.esr_flt_switch_temp = temp; |
| 5522 | |
| 5523 | rc = of_property_read_u32(node, "qcom,fg-esr-tight-filter-micro-pct", |
| 5524 | &temp); |
| 5525 | if (rc < 0) |
| 5526 | chip->dt.esr_tight_flt_upct = DEFAULT_ESR_TIGHT_FLT_UPCT; |
| 5527 | else |
| 5528 | chip->dt.esr_tight_flt_upct = temp; |
| 5529 | |
| 5530 | rc = of_property_read_u32(node, "qcom,fg-esr-broad-filter-micro-pct", |
| 5531 | &temp); |
| 5532 | if (rc < 0) |
| 5533 | chip->dt.esr_broad_flt_upct = DEFAULT_ESR_BROAD_FLT_UPCT; |
| 5534 | else |
| 5535 | chip->dt.esr_broad_flt_upct = temp; |
| 5536 | |
| 5537 | rc = of_property_read_u32(node, "qcom,fg-esr-tight-lt-filter-micro-pct", |
| 5538 | &temp); |
| 5539 | if (rc < 0) |
| 5540 | chip->dt.esr_tight_lt_flt_upct = DEFAULT_ESR_TIGHT_LT_FLT_UPCT; |
| 5541 | else |
| 5542 | chip->dt.esr_tight_lt_flt_upct = temp; |
| 5543 | |
| 5544 | rc = of_property_read_u32(node, "qcom,fg-esr-broad-lt-filter-micro-pct", |
| 5545 | &temp); |
| 5546 | if (rc < 0) |
| 5547 | chip->dt.esr_broad_lt_flt_upct = DEFAULT_ESR_BROAD_LT_FLT_UPCT; |
| 5548 | else |
| 5549 | chip->dt.esr_broad_lt_flt_upct = temp; |
Subbaraman Narayanamurthy | 94e6305 | 2017-02-09 18:06:14 -0800 | [diff] [blame] | 5550 | |
Subbaraman Narayanamurthy | 11c772d | 2017-12-01 10:54:40 -0800 | [diff] [blame] | 5551 | rc = of_property_read_u32(node, "qcom,fg-esr-rt-filter-switch-temp", |
| 5552 | &temp); |
| 5553 | if (rc < 0) |
| 5554 | chip->dt.esr_flt_rt_switch_temp = DEFAULT_ESR_FLT_RT_DECIDEGC; |
| 5555 | else |
| 5556 | chip->dt.esr_flt_rt_switch_temp = temp; |
| 5557 | |
| 5558 | rc = of_property_read_u32(node, "qcom,fg-esr-tight-rt-filter-micro-pct", |
| 5559 | &temp); |
| 5560 | if (rc < 0) |
| 5561 | chip->dt.esr_tight_rt_flt_upct = DEFAULT_ESR_TIGHT_RT_FLT_UPCT; |
| 5562 | else |
| 5563 | chip->dt.esr_tight_rt_flt_upct = temp; |
| 5564 | |
| 5565 | rc = of_property_read_u32(node, "qcom,fg-esr-broad-rt-filter-micro-pct", |
| 5566 | &temp); |
| 5567 | if (rc < 0) |
| 5568 | chip->dt.esr_broad_rt_flt_upct = DEFAULT_ESR_BROAD_RT_FLT_UPCT; |
| 5569 | else |
| 5570 | chip->dt.esr_broad_rt_flt_upct = temp; |
| 5571 | |
Subbaraman Narayanamurthy | 94e6305 | 2017-02-09 18:06:14 -0800 | [diff] [blame] | 5572 | rc = fg_parse_slope_limit_coefficients(chip); |
| 5573 | if (rc < 0) |
| 5574 | pr_err("Error in parsing slope limit coeffs, rc=%d\n", rc); |
| 5575 | |
Subbaraman Narayanamurthy | dcfc866 | 2017-02-24 16:04:46 -0800 | [diff] [blame] | 5576 | rc = of_property_read_u32(node, "qcom,fg-esr-clamp-mohms", &temp); |
| 5577 | if (rc < 0) |
| 5578 | chip->dt.esr_clamp_mohms = DEFAULT_ESR_CLAMP_MOHMS; |
| 5579 | else |
| 5580 | chip->dt.esr_clamp_mohms = temp; |
| 5581 | |
Subbaraman Narayanamurthy | e14037f | 2017-03-16 19:14:58 -0700 | [diff] [blame] | 5582 | chip->dt.esr_pulse_thresh_ma = DEFAULT_ESR_PULSE_THRESH_MA; |
| 5583 | rc = of_property_read_u32(node, "qcom,fg-esr-pulse-thresh-ma", &temp); |
| 5584 | if (!rc) { |
| 5585 | /* ESR pulse qualification threshold range is 1-997 mA */ |
| 5586 | if (temp > 0 && temp < 997) |
| 5587 | chip->dt.esr_pulse_thresh_ma = temp; |
| 5588 | } |
| 5589 | |
| 5590 | chip->dt.esr_meas_curr_ma = DEFAULT_ESR_MEAS_CURR_MA; |
| 5591 | rc = of_property_read_u32(node, "qcom,fg-esr-meas-curr-ma", &temp); |
| 5592 | if (!rc) { |
| 5593 | /* ESR measurement current range is 60-240 mA */ |
| 5594 | if (temp >= 60 || temp <= 240) |
| 5595 | chip->dt.esr_meas_curr_ma = temp; |
| 5596 | } |
| 5597 | |
Fenglin Wu | d10ccf1 | 2017-08-10 15:43:41 +0800 | [diff] [blame] | 5598 | chip->dt.bmd_en_delay_ms = DEFAULT_BMD_EN_DELAY_MS; |
| 5599 | rc = of_property_read_u32(node, "qcom,fg-bmd-en-delay-ms", &temp); |
| 5600 | if (!rc) { |
| 5601 | if (temp > DEFAULT_BMD_EN_DELAY_MS) |
| 5602 | chip->dt.bmd_en_delay_ms = temp; |
| 5603 | } |
| 5604 | |
Anirudh Ghayal | bcb8577 | 2018-08-08 10:17:25 +0530 | [diff] [blame] | 5605 | chip->dt.sync_sleep_threshold_ma = -EINVAL; |
| 5606 | rc = of_property_read_u32(node, |
| 5607 | "qcom,fg-sync-sleep-threshold-ma", &temp); |
| 5608 | if (!rc) { |
| 5609 | if (temp >= 0 && temp < 997) |
| 5610 | chip->dt.sync_sleep_threshold_ma = temp; |
| 5611 | } |
| 5612 | |
Anirudh Ghayal | 63e9cea | 2018-06-11 16:15:11 +0530 | [diff] [blame] | 5613 | chip->dt.use_esr_sw = of_property_read_bool(node, "qcom,fg-use-sw-esr"); |
| 5614 | |
Anirudh Ghayal | e149f56 | 2018-08-03 16:34:56 +0530 | [diff] [blame] | 5615 | chip->dt.disable_esr_pull_dn = of_property_read_bool(node, |
| 5616 | "qcom,fg-disable-esr-pull-dn"); |
| 5617 | |
Anirudh Ghayal | a209ac3 | 2018-08-23 15:08:05 +0530 | [diff] [blame] | 5618 | chip->dt.disable_fg_twm = of_property_read_bool(node, |
| 5619 | "qcom,fg-disable-in-twm"); |
| 5620 | |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 5621 | return 0; |
| 5622 | } |
| 5623 | |
| 5624 | static void fg_cleanup(struct fg_chip *chip) |
| 5625 | { |
Subbaraman Narayanamurthy | f580cb9 | 2017-08-30 20:27:41 -0700 | [diff] [blame] | 5626 | int i; |
| 5627 | |
Sahil Chandna | 2582140f | 2018-10-10 14:26:52 +0530 | [diff] [blame] | 5628 | power_supply_unreg_notifier(&chip->nb); |
| 5629 | qpnp_misc_twm_notifier_unregister(&chip->twm_nb); |
| 5630 | cancel_delayed_work_sync(&chip->ttf_work); |
| 5631 | cancel_delayed_work_sync(&chip->sram_dump_work); |
| 5632 | if (chip->dt.use_esr_sw) |
| 5633 | alarm_cancel(&chip->esr_sw_timer); |
| 5634 | cancel_work_sync(&chip->esr_sw_work); |
| 5635 | cancel_delayed_work_sync(&chip->profile_load_work); |
| 5636 | cancel_work_sync(&chip->status_change_work); |
| 5637 | cancel_work_sync(&chip->esr_filter_work); |
| 5638 | cancel_delayed_work_sync(&chip->pl_enable_work); |
| 5639 | |
Subbaraman Narayanamurthy | f580cb9 | 2017-08-30 20:27:41 -0700 | [diff] [blame] | 5640 | for (i = 0; i < FG_IRQ_MAX; i++) { |
| 5641 | if (fg_irqs[i].irq) |
| 5642 | devm_free_irq(chip->dev, fg_irqs[i].irq, chip); |
| 5643 | } |
| 5644 | |
Subbaraman Narayanamurthy | 11c772d | 2017-12-01 10:54:40 -0800 | [diff] [blame] | 5645 | alarm_try_to_cancel(&chip->esr_filter_alarm); |
Nicholas Troast | 69da225 | 2016-09-07 16:17:47 -0700 | [diff] [blame] | 5646 | debugfs_remove_recursive(chip->dfs_root); |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 5647 | if (chip->awake_votable) |
| 5648 | destroy_votable(chip->awake_votable); |
| 5649 | |
Subbaraman Narayanamurthy | 5344817 | 2017-03-15 12:47:00 -0700 | [diff] [blame] | 5650 | if (chip->delta_bsoc_irq_en_votable) |
| 5651 | destroy_votable(chip->delta_bsoc_irq_en_votable); |
| 5652 | |
Subbaraman Narayanamurthy | ecc0602 | 2017-04-04 16:10:35 -0700 | [diff] [blame] | 5653 | if (chip->batt_miss_irq_en_votable) |
| 5654 | destroy_votable(chip->batt_miss_irq_en_votable); |
| 5655 | |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 5656 | if (chip->batt_id_chan) |
| 5657 | iio_channel_release(chip->batt_id_chan); |
| 5658 | |
| 5659 | dev_set_drvdata(chip->dev, NULL); |
| 5660 | } |
| 5661 | |
Subbaraman Narayanamurthy | 8a191dc | 2017-08-18 18:37:01 -0700 | [diff] [blame] | 5662 | static int fg_tz_get_temp(void *data, int *temperature) |
| 5663 | { |
| 5664 | struct fg_chip *chip = (struct fg_chip *)data; |
| 5665 | int rc, batt_temp = 0; |
| 5666 | |
| 5667 | if (!temperature) |
| 5668 | return -EINVAL; |
| 5669 | |
| 5670 | rc = fg_get_battery_temp(chip, &batt_temp); |
| 5671 | if (rc < 0) { |
| 5672 | pr_err("Error in getting batt_temp\n"); |
| 5673 | return rc; |
| 5674 | } |
| 5675 | |
| 5676 | /* Convert deciDegC to milliDegC */ |
| 5677 | *temperature = batt_temp * 100; |
| 5678 | return 0; |
| 5679 | } |
| 5680 | |
| 5681 | static struct thermal_zone_of_device_ops fg_gen3_tz_ops = { |
| 5682 | .get_temp = fg_tz_get_temp, |
| 5683 | }; |
| 5684 | |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 5685 | static int fg_gen3_probe(struct platform_device *pdev) |
| 5686 | { |
| 5687 | struct fg_chip *chip; |
| 5688 | struct power_supply_config fg_psy_cfg; |
Subbaraman Narayanamurthy | 03e6c61 | 2016-11-09 16:40:27 -0800 | [diff] [blame] | 5689 | int rc, msoc, volt_uv, batt_temp; |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 5690 | |
| 5691 | chip = devm_kzalloc(&pdev->dev, sizeof(*chip), GFP_KERNEL); |
| 5692 | if (!chip) |
| 5693 | return -ENOMEM; |
| 5694 | |
| 5695 | chip->dev = &pdev->dev; |
| 5696 | chip->debug_mask = &fg_gen3_debug_mask; |
| 5697 | chip->irqs = fg_irqs; |
Nicholas Troast | 1769fd3 | 2016-09-07 09:20:58 -0700 | [diff] [blame] | 5698 | chip->charge_status = -EINVAL; |
Subbaraman Narayanamurthy | ef69cf2 | 2017-09-13 16:38:40 -0700 | [diff] [blame] | 5699 | chip->prev_charge_status = -EINVAL; |
Subbaraman Narayanamurthy | 1bf973e | 2017-04-04 19:24:20 -0700 | [diff] [blame] | 5700 | chip->ki_coeff_full_soc = -EINVAL; |
Nicholas Troast | 805c242 | 2017-07-06 14:53:46 -0700 | [diff] [blame] | 5701 | chip->online_status = -EINVAL; |
Fenglin Wu | 16ef9a7 | 2017-11-06 23:24:54 +0800 | [diff] [blame] | 5702 | chip->batt_id_ohms = -EINVAL; |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 5703 | chip->regmap = dev_get_regmap(chip->dev->parent, NULL); |
| 5704 | if (!chip->regmap) { |
| 5705 | dev_err(chip->dev, "Parent regmap is unavailable\n"); |
| 5706 | return -ENXIO; |
| 5707 | } |
| 5708 | |
Subbaraman Narayanamurthy | 7d33351 | 2017-01-20 18:34:28 -0800 | [diff] [blame] | 5709 | chip->batt_id_chan = iio_channel_get(chip->dev, "rradc_batt_id"); |
| 5710 | if (IS_ERR(chip->batt_id_chan)) { |
| 5711 | if (PTR_ERR(chip->batt_id_chan) != -EPROBE_DEFER) |
| 5712 | pr_err("batt_id_chan unavailable %ld\n", |
| 5713 | PTR_ERR(chip->batt_id_chan)); |
| 5714 | rc = PTR_ERR(chip->batt_id_chan); |
| 5715 | chip->batt_id_chan = NULL; |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 5716 | return rc; |
| 5717 | } |
| 5718 | |
Anirudh Ghayal | ddabeee | 2017-04-04 06:13:48 +0530 | [diff] [blame] | 5719 | rc = of_property_match_string(chip->dev->of_node, |
| 5720 | "io-channel-names", "rradc_die_temp"); |
| 5721 | if (rc >= 0) { |
| 5722 | chip->die_temp_chan = iio_channel_get(chip->dev, |
| 5723 | "rradc_die_temp"); |
| 5724 | if (IS_ERR(chip->die_temp_chan)) { |
| 5725 | if (PTR_ERR(chip->die_temp_chan) != -EPROBE_DEFER) |
| 5726 | pr_err("rradc_die_temp unavailable %ld\n", |
| 5727 | PTR_ERR(chip->die_temp_chan)); |
| 5728 | rc = PTR_ERR(chip->die_temp_chan); |
| 5729 | chip->die_temp_chan = NULL; |
| 5730 | return rc; |
| 5731 | } |
| 5732 | } |
| 5733 | |
Subbaraman Narayanamurthy | f40b7a4 | 2017-11-01 17:35:00 -0700 | [diff] [blame] | 5734 | chip->pl_disable_votable = find_votable("PL_DISABLE"); |
| 5735 | if (chip->pl_disable_votable == NULL) { |
| 5736 | rc = -EPROBE_DEFER; |
| 5737 | goto exit; |
| 5738 | } |
| 5739 | |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 5740 | chip->awake_votable = create_votable("FG_WS", VOTE_SET_ANY, fg_awake_cb, |
| 5741 | chip); |
| 5742 | if (IS_ERR(chip->awake_votable)) { |
| 5743 | rc = PTR_ERR(chip->awake_votable); |
Subbaraman Narayanamurthy | ecc0602 | 2017-04-04 16:10:35 -0700 | [diff] [blame] | 5744 | chip->awake_votable = NULL; |
Subbaraman Narayanamurthy | 5344817 | 2017-03-15 12:47:00 -0700 | [diff] [blame] | 5745 | goto exit; |
| 5746 | } |
| 5747 | |
| 5748 | chip->delta_bsoc_irq_en_votable = create_votable("FG_DELTA_BSOC_IRQ", |
| 5749 | VOTE_SET_ANY, |
| 5750 | fg_delta_bsoc_irq_en_cb, chip); |
| 5751 | if (IS_ERR(chip->delta_bsoc_irq_en_votable)) { |
| 5752 | rc = PTR_ERR(chip->delta_bsoc_irq_en_votable); |
Subbaraman Narayanamurthy | ecc0602 | 2017-04-04 16:10:35 -0700 | [diff] [blame] | 5753 | chip->delta_bsoc_irq_en_votable = NULL; |
| 5754 | goto exit; |
| 5755 | } |
| 5756 | |
| 5757 | chip->batt_miss_irq_en_votable = create_votable("FG_BATT_MISS_IRQ", |
| 5758 | VOTE_SET_ANY, |
| 5759 | fg_batt_miss_irq_en_cb, chip); |
| 5760 | if (IS_ERR(chip->batt_miss_irq_en_votable)) { |
| 5761 | rc = PTR_ERR(chip->batt_miss_irq_en_votable); |
| 5762 | chip->batt_miss_irq_en_votable = NULL; |
Subbaraman Narayanamurthy | 5344817 | 2017-03-15 12:47:00 -0700 | [diff] [blame] | 5763 | goto exit; |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 5764 | } |
| 5765 | |
Subbaraman Narayanamurthy | 7d33351 | 2017-01-20 18:34:28 -0800 | [diff] [blame] | 5766 | rc = fg_parse_dt(chip); |
| 5767 | if (rc < 0) { |
| 5768 | dev_err(chip->dev, "Error in reading DT parameters, rc:%d\n", |
| 5769 | rc); |
| 5770 | goto exit; |
| 5771 | } |
| 5772 | |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 5773 | mutex_init(&chip->bus_lock); |
| 5774 | mutex_init(&chip->sram_rw_lock); |
Nicholas Troast | e29dec9 | 2016-08-24 09:35:11 -0700 | [diff] [blame] | 5775 | mutex_init(&chip->cyc_ctr.lock); |
Subbaraman Narayanamurthy | 07be919 | 2016-09-14 14:48:49 -0700 | [diff] [blame] | 5776 | mutex_init(&chip->cl.lock); |
Nicholas Troast | 805c242 | 2017-07-06 14:53:46 -0700 | [diff] [blame] | 5777 | mutex_init(&chip->ttf.lock); |
Subbaraman Narayanamurthy | 03f7d45 | 2017-01-06 15:47:24 -0800 | [diff] [blame] | 5778 | mutex_init(&chip->charge_full_lock); |
Subbaraman Narayanamurthy | 3fbcbe9 | 2017-09-12 20:19:17 -0700 | [diff] [blame] | 5779 | mutex_init(&chip->qnovo_esr_ctrl_lock); |
Anirudh Ghayal | 63e9cea | 2018-06-11 16:15:11 +0530 | [diff] [blame] | 5780 | spin_lock_init(&chip->awake_lock); |
Anirudh Ghayal | 6578831 | 2017-10-18 11:36:22 +0530 | [diff] [blame] | 5781 | spin_lock_init(&chip->suspend_lock); |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 5782 | init_completion(&chip->soc_update); |
| 5783 | init_completion(&chip->soc_ready); |
| 5784 | INIT_DELAYED_WORK(&chip->profile_load_work, profile_load_work); |
Subbaraman Narayanamurthy | f40b7a4 | 2017-11-01 17:35:00 -0700 | [diff] [blame] | 5785 | INIT_DELAYED_WORK(&chip->pl_enable_work, pl_enable_work); |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 5786 | INIT_WORK(&chip->status_change_work, status_change_work); |
Anirudh Ghayal | 63e9cea | 2018-06-11 16:15:11 +0530 | [diff] [blame] | 5787 | INIT_WORK(&chip->esr_sw_work, fg_esr_sw_work); |
Nicholas Troast | 805c242 | 2017-07-06 14:53:46 -0700 | [diff] [blame] | 5788 | INIT_DELAYED_WORK(&chip->ttf_work, ttf_work); |
Subbaraman Narayanamurthy | eca9bb3 | 2016-12-09 16:43:52 -0800 | [diff] [blame] | 5789 | INIT_DELAYED_WORK(&chip->sram_dump_work, sram_dump_work); |
Subbaraman Narayanamurthy | 11c772d | 2017-12-01 10:54:40 -0800 | [diff] [blame] | 5790 | INIT_WORK(&chip->esr_filter_work, esr_filter_work); |
| 5791 | alarm_init(&chip->esr_filter_alarm, ALARM_BOOTTIME, |
| 5792 | fg_esr_filter_alarm_cb); |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 5793 | |
| 5794 | rc = fg_memif_init(chip); |
| 5795 | if (rc < 0) { |
| 5796 | dev_err(chip->dev, "Error in initializing FG_MEMIF, rc:%d\n", |
| 5797 | rc); |
| 5798 | goto exit; |
| 5799 | } |
| 5800 | |
Subbaraman Narayanamurthy | 2d62e9e | 2017-06-02 17:40:28 -0700 | [diff] [blame] | 5801 | platform_set_drvdata(pdev, chip); |
| 5802 | |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 5803 | rc = fg_hw_init(chip); |
| 5804 | if (rc < 0) { |
| 5805 | dev_err(chip->dev, "Error in initializing FG hardware, rc:%d\n", |
| 5806 | rc); |
| 5807 | goto exit; |
| 5808 | } |
| 5809 | |
Anirudh Ghayal | 63e9cea | 2018-06-11 16:15:11 +0530 | [diff] [blame] | 5810 | if (chip->dt.use_esr_sw) { |
| 5811 | if (alarmtimer_get_rtcdev()) { |
| 5812 | alarm_init(&chip->esr_sw_timer, ALARM_BOOTTIME, |
| 5813 | fg_esr_sw_timer); |
| 5814 | } else { |
| 5815 | pr_err("Failed to get esw_sw alarm-timer\n"); |
| 5816 | /* RTC always registers, hence defer until it passes */ |
| 5817 | rc = -EPROBE_DEFER; |
| 5818 | goto exit; |
| 5819 | } |
| 5820 | if (chip->dt.esr_timer_charging[TIMER_MAX] != -EINVAL) |
| 5821 | chip->esr_wakeup_ms = |
| 5822 | chip->dt.esr_timer_charging[TIMER_MAX] * 1460; |
| 5823 | else |
| 5824 | chip->esr_wakeup_ms = 140000; /* 140 seconds */ |
| 5825 | } |
| 5826 | |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 5827 | /* Register the power supply */ |
| 5828 | fg_psy_cfg.drv_data = chip; |
| 5829 | fg_psy_cfg.of_node = NULL; |
| 5830 | fg_psy_cfg.supplied_to = NULL; |
| 5831 | fg_psy_cfg.num_supplicants = 0; |
| 5832 | chip->fg_psy = devm_power_supply_register(chip->dev, &fg_psy_desc, |
| 5833 | &fg_psy_cfg); |
| 5834 | if (IS_ERR(chip->fg_psy)) { |
| 5835 | pr_err("failed to register fg_psy rc = %ld\n", |
| 5836 | PTR_ERR(chip->fg_psy)); |
| 5837 | goto exit; |
| 5838 | } |
| 5839 | |
| 5840 | chip->nb.notifier_call = fg_notifier_cb; |
| 5841 | rc = power_supply_reg_notifier(&chip->nb); |
| 5842 | if (rc < 0) { |
| 5843 | pr_err("Couldn't register psy notifier rc = %d\n", rc); |
| 5844 | goto exit; |
| 5845 | } |
| 5846 | |
Anirudh Ghayal | a209ac3 | 2018-08-23 15:08:05 +0530 | [diff] [blame] | 5847 | chip->twm_nb.notifier_call = twm_notifier_cb; |
| 5848 | rc = qpnp_misc_twm_notifier_register(&chip->twm_nb); |
| 5849 | if (rc < 0) |
| 5850 | pr_err("Failed to register twm_notifier_cb rc=%d\n", rc); |
| 5851 | |
Subbaraman Narayanamurthy | 0d05477 | 2017-11-16 18:15:37 -0800 | [diff] [blame] | 5852 | rc = fg_register_interrupts(chip); |
| 5853 | if (rc < 0) { |
| 5854 | dev_err(chip->dev, "Error in registering interrupts, rc:%d\n", |
| 5855 | rc); |
| 5856 | goto exit; |
| 5857 | } |
| 5858 | |
| 5859 | /* Keep SOC_UPDATE irq disabled until we require it */ |
| 5860 | if (fg_irqs[SOC_UPDATE_IRQ].irq) |
| 5861 | disable_irq_nosync(fg_irqs[SOC_UPDATE_IRQ].irq); |
| 5862 | |
| 5863 | /* Keep BSOC_DELTA_IRQ disabled until we require it */ |
| 5864 | vote(chip->delta_bsoc_irq_en_votable, DELTA_BSOC_IRQ_VOTER, false, 0); |
| 5865 | |
| 5866 | /* Keep BATT_MISSING_IRQ disabled until we require it */ |
| 5867 | vote(chip->batt_miss_irq_en_votable, BATT_MISS_IRQ_VOTER, false, 0); |
| 5868 | |
Nicholas Troast | 69da225 | 2016-09-07 16:17:47 -0700 | [diff] [blame] | 5869 | rc = fg_debugfs_create(chip); |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 5870 | if (rc < 0) { |
| 5871 | dev_err(chip->dev, "Error in creating debugfs entries, rc:%d\n", |
| 5872 | rc); |
| 5873 | goto exit; |
| 5874 | } |
| 5875 | |
Subbaraman Narayanamurthy | 03e6c61 | 2016-11-09 16:40:27 -0800 | [diff] [blame] | 5876 | rc = fg_get_battery_voltage(chip, &volt_uv); |
| 5877 | if (!rc) |
| 5878 | rc = fg_get_prop_capacity(chip, &msoc); |
| 5879 | |
| 5880 | if (!rc) |
| 5881 | rc = fg_get_battery_temp(chip, &batt_temp); |
| 5882 | |
Subbaraman Narayanamurthy | b99ea4c | 2016-12-22 15:10:09 -0800 | [diff] [blame] | 5883 | if (!rc) { |
Fenglin Wu | 16ef9a7 | 2017-11-06 23:24:54 +0800 | [diff] [blame] | 5884 | pr_info("battery SOC:%d voltage: %duV temp: %d\n", |
| 5885 | msoc, volt_uv, batt_temp); |
Subbaraman Narayanamurthy | 11c772d | 2017-12-01 10:54:40 -0800 | [diff] [blame] | 5886 | rc = fg_esr_filter_config(chip, batt_temp, false); |
Subbaraman Narayanamurthy | b99ea4c | 2016-12-22 15:10:09 -0800 | [diff] [blame] | 5887 | if (rc < 0) |
| 5888 | pr_err("Error in configuring ESR filter rc:%d\n", rc); |
| 5889 | } |
Subbaraman Narayanamurthy | 03e6c61 | 2016-11-09 16:40:27 -0800 | [diff] [blame] | 5890 | |
Subbaraman Narayanamurthy | 8a191dc | 2017-08-18 18:37:01 -0700 | [diff] [blame] | 5891 | chip->tz_dev = thermal_zone_of_sensor_register(chip->dev, 0, chip, |
| 5892 | &fg_gen3_tz_ops); |
| 5893 | if (IS_ERR_OR_NULL(chip->tz_dev)) { |
| 5894 | rc = PTR_ERR(chip->tz_dev); |
| 5895 | chip->tz_dev = NULL; |
| 5896 | dev_err(chip->dev, "thermal_zone_of_sensor_register() failed rc:%d\n", |
| 5897 | rc); |
| 5898 | } |
| 5899 | |
Subbaraman Narayanamurthy | 03e6c61 | 2016-11-09 16:40:27 -0800 | [diff] [blame] | 5900 | device_init_wakeup(chip->dev, true); |
Subbaraman Narayanamurthy | ecc0602 | 2017-04-04 16:10:35 -0700 | [diff] [blame] | 5901 | schedule_delayed_work(&chip->profile_load_work, 0); |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 5902 | |
Subbaraman Narayanamurthy | 03e6c61 | 2016-11-09 16:40:27 -0800 | [diff] [blame] | 5903 | pr_debug("FG GEN3 driver probed successfully\n"); |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 5904 | return 0; |
| 5905 | exit: |
| 5906 | fg_cleanup(chip); |
| 5907 | return rc; |
| 5908 | } |
| 5909 | |
Nicholas Troast | dcf8fe6 | 2016-08-04 14:30:02 -0700 | [diff] [blame] | 5910 | static int fg_gen3_suspend(struct device *dev) |
| 5911 | { |
| 5912 | struct fg_chip *chip = dev_get_drvdata(dev); |
| 5913 | int rc; |
| 5914 | |
Anirudh Ghayal | 6578831 | 2017-10-18 11:36:22 +0530 | [diff] [blame] | 5915 | spin_lock(&chip->suspend_lock); |
| 5916 | chip->suspended = true; |
| 5917 | spin_unlock(&chip->suspend_lock); |
| 5918 | |
Subbaraman Narayanamurthy | 784bd5b | 2017-05-17 17:43:22 -0700 | [diff] [blame] | 5919 | rc = fg_esr_timer_config(chip, true); |
| 5920 | if (rc < 0) |
| 5921 | pr_err("Error in configuring ESR timer, rc=%d\n", rc); |
Nicholas Troast | dcf8fe6 | 2016-08-04 14:30:02 -0700 | [diff] [blame] | 5922 | |
Nicholas Troast | 805c242 | 2017-07-06 14:53:46 -0700 | [diff] [blame] | 5923 | cancel_delayed_work_sync(&chip->ttf_work); |
Subbaraman Narayanamurthy | eca9bb3 | 2016-12-09 16:43:52 -0800 | [diff] [blame] | 5924 | if (fg_sram_dump) |
| 5925 | cancel_delayed_work_sync(&chip->sram_dump_work); |
Nicholas Troast | dcf8fe6 | 2016-08-04 14:30:02 -0700 | [diff] [blame] | 5926 | return 0; |
| 5927 | } |
| 5928 | |
| 5929 | static int fg_gen3_resume(struct device *dev) |
| 5930 | { |
| 5931 | struct fg_chip *chip = dev_get_drvdata(dev); |
| 5932 | int rc; |
| 5933 | |
Subbaraman Narayanamurthy | 784bd5b | 2017-05-17 17:43:22 -0700 | [diff] [blame] | 5934 | rc = fg_esr_timer_config(chip, false); |
| 5935 | if (rc < 0) |
| 5936 | pr_err("Error in configuring ESR timer, rc=%d\n", rc); |
Nicholas Troast | dcf8fe6 | 2016-08-04 14:30:02 -0700 | [diff] [blame] | 5937 | |
Nicholas Troast | 805c242 | 2017-07-06 14:53:46 -0700 | [diff] [blame] | 5938 | schedule_delayed_work(&chip->ttf_work, 0); |
Subbaraman Narayanamurthy | eca9bb3 | 2016-12-09 16:43:52 -0800 | [diff] [blame] | 5939 | if (fg_sram_dump) |
| 5940 | schedule_delayed_work(&chip->sram_dump_work, |
| 5941 | msecs_to_jiffies(fg_sram_dump_period_ms)); |
Anirudh Ghayal | 6578831 | 2017-10-18 11:36:22 +0530 | [diff] [blame] | 5942 | |
| 5943 | if (!work_pending(&chip->status_change_work)) { |
| 5944 | pm_stay_awake(chip->dev); |
| 5945 | schedule_work(&chip->status_change_work); |
| 5946 | } |
| 5947 | |
| 5948 | spin_lock(&chip->suspend_lock); |
| 5949 | chip->suspended = false; |
| 5950 | spin_unlock(&chip->suspend_lock); |
| 5951 | |
Nicholas Troast | dcf8fe6 | 2016-08-04 14:30:02 -0700 | [diff] [blame] | 5952 | return 0; |
| 5953 | } |
| 5954 | |
| 5955 | static const struct dev_pm_ops fg_gen3_pm_ops = { |
| 5956 | .suspend = fg_gen3_suspend, |
| 5957 | .resume = fg_gen3_resume, |
| 5958 | }; |
| 5959 | |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 5960 | static int fg_gen3_remove(struct platform_device *pdev) |
| 5961 | { |
| 5962 | struct fg_chip *chip = dev_get_drvdata(&pdev->dev); |
| 5963 | |
Subbaraman Narayanamurthy | 8a191dc | 2017-08-18 18:37:01 -0700 | [diff] [blame] | 5964 | if (chip->tz_dev) |
| 5965 | thermal_zone_of_sensor_unregister(chip->dev, chip->tz_dev); |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 5966 | fg_cleanup(chip); |
| 5967 | return 0; |
| 5968 | } |
| 5969 | |
Subbaraman Narayanamurthy | 9b6c38a | 2017-07-26 16:46:41 -0700 | [diff] [blame] | 5970 | static void fg_gen3_shutdown(struct platform_device *pdev) |
| 5971 | { |
| 5972 | struct fg_chip *chip = dev_get_drvdata(&pdev->dev); |
| 5973 | int rc, bsoc; |
Anirudh Ghayal | a209ac3 | 2018-08-23 15:08:05 +0530 | [diff] [blame] | 5974 | u8 mask; |
Subbaraman Narayanamurthy | 9b6c38a | 2017-07-26 16:46:41 -0700 | [diff] [blame] | 5975 | |
| 5976 | if (chip->charge_full) { |
| 5977 | rc = fg_get_sram_prop(chip, FG_SRAM_BATT_SOC, &bsoc); |
| 5978 | if (rc < 0) { |
| 5979 | pr_err("Error in getting BATT_SOC, rc=%d\n", rc); |
| 5980 | return; |
| 5981 | } |
| 5982 | |
| 5983 | /* We need 2 most significant bytes here */ |
| 5984 | bsoc = (u32)bsoc >> 16; |
| 5985 | |
| 5986 | rc = fg_configure_full_soc(chip, bsoc); |
| 5987 | if (rc < 0) { |
| 5988 | pr_err("Error in configuring full_soc, rc=%d\n", rc); |
| 5989 | return; |
| 5990 | } |
| 5991 | } |
Anirudh Ghayal | 09d088f | 2018-08-08 10:08:54 +0530 | [diff] [blame] | 5992 | rc = fg_set_esr_timer(chip, chip->dt.esr_timer_shutdown[TIMER_RETRY], |
| 5993 | chip->dt.esr_timer_shutdown[TIMER_MAX], false, |
| 5994 | FG_IMA_NO_WLOCK); |
| 5995 | if (rc < 0) |
| 5996 | pr_err("Error in setting ESR timer at shutdown, rc=%d\n", rc); |
| 5997 | |
Anirudh Ghayal | a209ac3 | 2018-08-23 15:08:05 +0530 | [diff] [blame] | 5998 | if (chip->twm_state == PMIC_TWM_ENABLE && chip->dt.disable_fg_twm) { |
| 5999 | rc = fg_masked_write(chip, BATT_SOC_EN_CTL(chip), |
| 6000 | FG_ALGORITHM_EN_BIT, 0); |
| 6001 | if (rc < 0) |
| 6002 | pr_err("Error in disabling FG rc=%d\n", rc); |
| 6003 | |
| 6004 | mask = BCL_RST_BIT | MEM_RST_BIT | ALG_RST_BIT; |
| 6005 | rc = fg_masked_write(chip, BATT_SOC_RST_CTRL0(chip), |
| 6006 | mask, mask); |
| 6007 | if (rc < 0) |
| 6008 | pr_err("Error in disabling FG resets rc=%d\n", rc); |
| 6009 | } |
Subbaraman Narayanamurthy | 9b6c38a | 2017-07-26 16:46:41 -0700 | [diff] [blame] | 6010 | } |
| 6011 | |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 6012 | static const struct of_device_id fg_gen3_match_table[] = { |
| 6013 | {.compatible = FG_GEN3_DEV_NAME}, |
| 6014 | {}, |
| 6015 | }; |
| 6016 | |
| 6017 | static struct platform_driver fg_gen3_driver = { |
| 6018 | .driver = { |
| 6019 | .name = FG_GEN3_DEV_NAME, |
| 6020 | .owner = THIS_MODULE, |
| 6021 | .of_match_table = fg_gen3_match_table, |
Nicholas Troast | dcf8fe6 | 2016-08-04 14:30:02 -0700 | [diff] [blame] | 6022 | .pm = &fg_gen3_pm_ops, |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 6023 | }, |
| 6024 | .probe = fg_gen3_probe, |
| 6025 | .remove = fg_gen3_remove, |
Subbaraman Narayanamurthy | 9b6c38a | 2017-07-26 16:46:41 -0700 | [diff] [blame] | 6026 | .shutdown = fg_gen3_shutdown, |
Subbaraman Narayanamurthy | 6accb26 | 2016-03-14 16:41:16 -0700 | [diff] [blame] | 6027 | }; |
| 6028 | |
| 6029 | static int __init fg_gen3_init(void) |
| 6030 | { |
| 6031 | return platform_driver_register(&fg_gen3_driver); |
| 6032 | } |
| 6033 | |
| 6034 | static void __exit fg_gen3_exit(void) |
| 6035 | { |
| 6036 | return platform_driver_unregister(&fg_gen3_driver); |
| 6037 | } |
| 6038 | |
| 6039 | module_init(fg_gen3_init); |
| 6040 | module_exit(fg_gen3_exit); |
| 6041 | |
| 6042 | MODULE_DESCRIPTION("QPNP Fuel gauge GEN3 driver"); |
| 6043 | MODULE_LICENSE("GPL v2"); |
| 6044 | MODULE_ALIAS("platform:" FG_GEN3_DEV_NAME); |