David Keitel | a8099ff | 2014-01-06 11:31:40 -0800 | [diff] [blame] | 1 | /* Copyright (c) 2012-2014, The Linux Foundation. All rights reserved. |
David Keitel | 8066895 | 2012-07-27 14:25:49 -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) "%s: " fmt, __func__ |
| 14 | |
| 15 | #include <linux/module.h> |
| 16 | #include <linux/slab.h> |
| 17 | #include <linux/err.h> |
| 18 | #include <linux/spmi.h> |
| 19 | #include <linux/of.h> |
| 20 | #include <linux/of_device.h> |
| 21 | #include <linux/radix-tree.h> |
| 22 | #include <linux/interrupt.h> |
David Keitel | d681cda | 2012-10-02 15:44:21 -0700 | [diff] [blame] | 23 | #include <linux/delay.h> |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 24 | #include <linux/qpnp/qpnp-adc.h> |
| 25 | #include <linux/power_supply.h> |
| 26 | #include <linux/bitops.h> |
Abhijeet Dharmapurikar | 53ce35a | 2013-03-29 16:14:16 -0700 | [diff] [blame] | 27 | #include <linux/ratelimit.h> |
David Keitel | 6dc4ed4 | 2013-05-17 11:08:58 -0700 | [diff] [blame] | 28 | #include <linux/regulator/driver.h> |
| 29 | #include <linux/regulator/of_regulator.h> |
| 30 | #include <linux/regulator/machine.h> |
Xiaozhe Shi | ca289e0 | 2013-06-19 13:24:51 -0700 | [diff] [blame] | 31 | #include <linux/of_batterydata.h> |
Abhijeet Dharmapurikar | e749700 | 2013-07-29 11:25:37 -0700 | [diff] [blame] | 32 | #include <linux/qpnp-revid.h> |
| 33 | #include <linux/android_alarm.h> |
Wu Fenglin | 04ae6de | 2013-09-09 19:15:06 +0800 | [diff] [blame] | 34 | #include <linux/spinlock.h> |
David Keitel | cd2e102 | 2014-05-02 17:25:15 -0700 | [diff] [blame] | 35 | #include <linux/gpio.h> |
| 36 | #include <linux/of_gpio.h> |
| 37 | #include <linux/qpnp/pin.h> |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 38 | |
| 39 | /* Interrupt offsets */ |
| 40 | #define INT_RT_STS(base) (base + 0x10) |
| 41 | #define INT_SET_TYPE(base) (base + 0x11) |
| 42 | #define INT_POLARITY_HIGH(base) (base + 0x12) |
| 43 | #define INT_POLARITY_LOW(base) (base + 0x13) |
| 44 | #define INT_LATCHED_CLR(base) (base + 0x14) |
| 45 | #define INT_EN_SET(base) (base + 0x15) |
| 46 | #define INT_EN_CLR(base) (base + 0x16) |
| 47 | #define INT_LATCHED_STS(base) (base + 0x18) |
| 48 | #define INT_PENDING_STS(base) (base + 0x19) |
| 49 | #define INT_MID_SEL(base) (base + 0x1A) |
| 50 | #define INT_PRIORITY(base) (base + 0x1B) |
| 51 | |
| 52 | /* Peripheral register offsets */ |
| 53 | #define CHGR_CHG_OPTION 0x08 |
| 54 | #define CHGR_ATC_STATUS 0x0A |
| 55 | #define CHGR_VBAT_STATUS 0x0B |
| 56 | #define CHGR_IBAT_BMS 0x0C |
| 57 | #define CHGR_IBAT_STS 0x0D |
| 58 | #define CHGR_VDD_MAX 0x40 |
| 59 | #define CHGR_VDD_SAFE 0x41 |
| 60 | #define CHGR_VDD_MAX_STEP 0x42 |
| 61 | #define CHGR_IBAT_MAX 0x44 |
| 62 | #define CHGR_IBAT_SAFE 0x45 |
| 63 | #define CHGR_VIN_MIN 0x47 |
| 64 | #define CHGR_VIN_MIN_STEP 0x48 |
| 65 | #define CHGR_CHG_CTRL 0x49 |
| 66 | #define CHGR_CHG_FAILED 0x4A |
| 67 | #define CHGR_ATC_CTRL 0x4B |
| 68 | #define CHGR_ATC_FAILED 0x4C |
| 69 | #define CHGR_VBAT_TRKL 0x50 |
| 70 | #define CHGR_VBAT_WEAK 0x52 |
| 71 | #define CHGR_IBAT_ATC_A 0x54 |
| 72 | #define CHGR_IBAT_ATC_B 0x55 |
| 73 | #define CHGR_IBAT_TERM_CHGR 0x5B |
| 74 | #define CHGR_IBAT_TERM_BMS 0x5C |
| 75 | #define CHGR_VBAT_DET 0x5D |
Abhijeet Dharmapurikar | 11e6156 | 2013-11-19 12:01:29 -0800 | [diff] [blame] | 76 | #define CHGR_TTRKL_MAX_EN 0x5E |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 77 | #define CHGR_TTRKL_MAX 0x5F |
Abhijeet Dharmapurikar | 11e6156 | 2013-11-19 12:01:29 -0800 | [diff] [blame] | 78 | #define CHGR_TCHG_MAX_EN 0x60 |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 79 | #define CHGR_TCHG_MAX 0x61 |
| 80 | #define CHGR_CHG_WDOG_TIME 0x62 |
| 81 | #define CHGR_CHG_WDOG_DLY 0x63 |
| 82 | #define CHGR_CHG_WDOG_PET 0x64 |
| 83 | #define CHGR_CHG_WDOG_EN 0x65 |
David Keitel | 9201df3 | 2013-01-10 18:38:34 -0800 | [diff] [blame] | 84 | #define CHGR_IR_DROP_COMPEN 0x67 |
David Keitel | 22ed223 | 2013-01-28 11:04:07 -0800 | [diff] [blame] | 85 | #define CHGR_I_MAX_REG 0x44 |
David Keitel | d681cda | 2012-10-02 15:44:21 -0700 | [diff] [blame] | 86 | #define CHGR_USB_USB_SUSP 0x47 |
David Keitel | 6f865cd | 2012-11-30 15:04:32 -0800 | [diff] [blame] | 87 | #define CHGR_USB_USB_OTG_CTL 0x48 |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 88 | #define CHGR_USB_ENUM_T_STOP 0x4E |
David Keitel | 2586f0a | 2013-08-20 10:02:26 -0700 | [diff] [blame] | 89 | #define CHGR_USB_TRIM 0xF1 |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 90 | #define CHGR_CHG_TEMP_THRESH 0x66 |
| 91 | #define CHGR_BAT_IF_PRES_STATUS 0x08 |
David Keitel | d681cda | 2012-10-02 15:44:21 -0700 | [diff] [blame] | 92 | #define CHGR_STATUS 0x09 |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 93 | #define CHGR_BAT_IF_VCP 0x42 |
| 94 | #define CHGR_BAT_IF_BATFET_CTRL1 0x90 |
David Keitel | 9eca8ac | 2013-09-06 14:18:36 -0700 | [diff] [blame] | 95 | #define CHGR_BAT_IF_BATFET_CTRL4 0x93 |
Abhijeet Dharmapurikar | e17309f1 | 2013-08-05 12:50:21 -0700 | [diff] [blame] | 96 | #define CHGR_BAT_IF_SPARE 0xDF |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 97 | #define CHGR_MISC_BOOT_DONE 0x42 |
Abhijeet Dharmapurikar | e749700 | 2013-07-29 11:25:37 -0700 | [diff] [blame] | 98 | #define CHGR_BUCK_PSTG_CTRL 0x73 |
David Keitel | 9fd0738 | 2013-05-02 15:37:44 -0700 | [diff] [blame] | 99 | #define CHGR_BUCK_COMPARATOR_OVRIDE_1 0xEB |
Fenglin Wu | c64e994 | 2014-08-22 13:47:34 +0800 | [diff] [blame] | 100 | #define CHGR_BUCK_COMPARATOR_OVRIDE_2 0xEC |
David Keitel | d681cda | 2012-10-02 15:44:21 -0700 | [diff] [blame] | 101 | #define CHGR_BUCK_COMPARATOR_OVRIDE_3 0xED |
David Keitel | 79e0832 | 2014-04-21 14:17:05 -0700 | [diff] [blame] | 102 | #define CHG_OVR0 0xED |
| 103 | #define CHG_TRICKLE_CLAMP 0xE3 |
David Keitel | 9201df3 | 2013-01-10 18:38:34 -0800 | [diff] [blame] | 104 | #define CHGR_BUCK_BCK_VBAT_REG_MODE 0x74 |
Sridhar Parasuram | ae183bd | 2012-12-21 09:28:46 -0800 | [diff] [blame] | 105 | #define MISC_REVISION2 0x01 |
David Keitel | 5c3a770 | 2012-12-20 11:13:21 -0800 | [diff] [blame] | 106 | #define USB_OVP_CTL 0x42 |
David Keitel | 344c697 | 2013-04-09 19:28:21 -0700 | [diff] [blame] | 107 | #define USB_CHG_GONE_REV_BST 0xED |
| 108 | #define BUCK_VCHG_OV 0x77 |
| 109 | #define BUCK_TEST_SMBC_MODES 0xE6 |
Xiaozhe Shi | 20b7abf | 2013-08-15 13:36:55 -0700 | [diff] [blame] | 110 | #define BUCK_CTRL_TRIM1 0xF1 |
Anirudh Ghayal | 42fc8a1 | 2013-10-21 17:42:54 -0700 | [diff] [blame] | 111 | #define BUCK_CTRL_TRIM3 0xF3 |
David Keitel | d681cda | 2012-10-02 15:44:21 -0700 | [diff] [blame] | 112 | #define SEC_ACCESS 0xD0 |
David Keitel | 85ae434 | 2013-04-16 11:46:00 -0700 | [diff] [blame] | 113 | #define BAT_IF_VREF_BAT_THM_CTRL 0x4A |
David Keitel | 796882d | 2013-05-14 18:01:11 -0700 | [diff] [blame] | 114 | #define BAT_IF_BPD_CTRL 0x48 |
David Keitel | 6dc4ed4 | 2013-05-17 11:08:58 -0700 | [diff] [blame] | 115 | #define BOOST_VSET 0x41 |
| 116 | #define BOOST_ENABLE_CONTROL 0x46 |
David Keitel | 33f5895 | 2013-05-20 16:17:36 -0700 | [diff] [blame] | 117 | #define COMP_OVR1 0xEA |
David Keitel | 89c1775 | 2013-06-28 14:52:48 -0700 | [diff] [blame] | 118 | #define BAT_IF_BTC_CTRL 0x49 |
David Keitel | 0b62bdd | 2013-07-10 17:30:51 -0700 | [diff] [blame] | 119 | #define USB_OCP_THR 0x52 |
| 120 | #define USB_OCP_CLR 0x53 |
Zhenhua Huang | 2a0ee35 | 2013-07-23 01:55:43 +0800 | [diff] [blame] | 121 | #define BAT_IF_TEMP_STATUS 0x09 |
David Keitel | 8b9bd31 | 2014-01-15 14:44:00 -0800 | [diff] [blame] | 122 | #define BOOST_ILIM 0x78 |
David Keitel | 975b535 | 2014-01-27 14:28:04 -0800 | [diff] [blame] | 123 | #define USB_SPARE 0xDF |
| 124 | #define DC_COMP_OVR1 0xE9 |
David Keitel | 59fbb76 | 2014-02-05 16:46:24 -0800 | [diff] [blame] | 125 | #define CHGR_COMP_OVR1 0xEE |
David Keitel | 820a90d | 2014-03-25 18:18:04 -0700 | [diff] [blame] | 126 | #define USB_CHGPTH_CTL 0x40 |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 127 | #define REG_OFFSET_PERP_SUBTYPE 0x05 |
David Keitel | 6dc4ed4 | 2013-05-17 11:08:58 -0700 | [diff] [blame] | 128 | |
David Keitel | f2170cc | 2013-02-20 17:49:03 -0800 | [diff] [blame] | 129 | /* SMBB peripheral subtype values */ |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 130 | #define SMBB_CHGR_SUBTYPE 0x01 |
| 131 | #define SMBB_BUCK_SUBTYPE 0x02 |
| 132 | #define SMBB_BAT_IF_SUBTYPE 0x03 |
| 133 | #define SMBB_USB_CHGPTH_SUBTYPE 0x04 |
| 134 | #define SMBB_DC_CHGPTH_SUBTYPE 0x05 |
| 135 | #define SMBB_BOOST_SUBTYPE 0x06 |
| 136 | #define SMBB_MISC_SUBTYPE 0x07 |
| 137 | |
David Keitel | f2170cc | 2013-02-20 17:49:03 -0800 | [diff] [blame] | 138 | /* SMBB peripheral subtype values */ |
| 139 | #define SMBBP_CHGR_SUBTYPE 0x31 |
| 140 | #define SMBBP_BUCK_SUBTYPE 0x32 |
| 141 | #define SMBBP_BAT_IF_SUBTYPE 0x33 |
| 142 | #define SMBBP_USB_CHGPTH_SUBTYPE 0x34 |
| 143 | #define SMBBP_BOOST_SUBTYPE 0x36 |
| 144 | #define SMBBP_MISC_SUBTYPE 0x37 |
| 145 | |
David Keitel | 46c9f7b | 2013-04-02 19:54:12 -0700 | [diff] [blame] | 146 | /* SMBCL peripheral subtype values */ |
| 147 | #define SMBCL_CHGR_SUBTYPE 0x41 |
| 148 | #define SMBCL_BUCK_SUBTYPE 0x42 |
| 149 | #define SMBCL_BAT_IF_SUBTYPE 0x43 |
| 150 | #define SMBCL_USB_CHGPTH_SUBTYPE 0x44 |
| 151 | #define SMBCL_MISC_SUBTYPE 0x47 |
| 152 | |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 153 | #define QPNP_CHARGER_DEV_NAME "qcom,qpnp-charger" |
| 154 | |
David Keitel | b80eda8 | 2012-10-15 10:49:11 -0700 | [diff] [blame] | 155 | /* Status bits and masks */ |
| 156 | #define CHGR_BOOT_DONE BIT(7) |
| 157 | #define CHGR_CHG_EN BIT(7) |
| 158 | #define CHGR_ON_BAT_FORCE_BIT BIT(0) |
David Keitel | 5c3a770 | 2012-12-20 11:13:21 -0800 | [diff] [blame] | 159 | #define USB_VALID_DEB_20MS 0x03 |
David Keitel | 9201df3 | 2013-01-10 18:38:34 -0800 | [diff] [blame] | 160 | #define BUCK_VBAT_REG_NODE_SEL_BIT BIT(0) |
David Keitel | 85ae434 | 2013-04-16 11:46:00 -0700 | [diff] [blame] | 161 | #define VREF_BATT_THERM_FORCE_ON 0xC0 |
David Keitel | 796882d | 2013-05-14 18:01:11 -0700 | [diff] [blame] | 162 | #define BAT_IF_BPD_CTRL_SEL 0x03 |
David Keitel | 85ae434 | 2013-04-16 11:46:00 -0700 | [diff] [blame] | 163 | #define VREF_BAT_THM_ENABLED_FSM 0x80 |
David Keitel | 796882d | 2013-05-14 18:01:11 -0700 | [diff] [blame] | 164 | #define REV_BST_DETECTED BIT(0) |
| 165 | #define BAT_THM_EN BIT(1) |
| 166 | #define BAT_ID_EN BIT(0) |
David Keitel | 6dc4ed4 | 2013-05-17 11:08:58 -0700 | [diff] [blame] | 167 | #define BOOST_PWR_EN BIT(7) |
David Keitel | 0b62bdd | 2013-07-10 17:30:51 -0700 | [diff] [blame] | 168 | #define OCP_CLR_BIT BIT(7) |
| 169 | #define OCP_THR_MASK 0x03 |
| 170 | #define OCP_THR_900_MA 0x02 |
| 171 | #define OCP_THR_500_MA 0x01 |
| 172 | #define OCP_THR_200_MA 0x00 |
David Keitel | 820a90d | 2014-03-25 18:18:04 -0700 | [diff] [blame] | 173 | #define DC_HIGHER_PRIORITY BIT(7) |
David Keitel | b80eda8 | 2012-10-15 10:49:11 -0700 | [diff] [blame] | 174 | |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 175 | /* Interrupt definitions */ |
| 176 | /* smbb_chg_interrupts */ |
| 177 | #define CHG_DONE_IRQ BIT(7) |
| 178 | #define CHG_FAILED_IRQ BIT(6) |
| 179 | #define FAST_CHG_ON_IRQ BIT(5) |
| 180 | #define TRKL_CHG_ON_IRQ BIT(4) |
| 181 | #define STATE_CHANGE_ON_IR BIT(3) |
| 182 | #define CHGWDDOG_IRQ BIT(2) |
| 183 | #define VBAT_DET_HI_IRQ BIT(1) |
| 184 | #define VBAT_DET_LOW_IRQ BIT(0) |
| 185 | |
| 186 | /* smbb_buck_interrupts */ |
| 187 | #define VDD_LOOP_IRQ BIT(6) |
| 188 | #define IBAT_LOOP_IRQ BIT(5) |
| 189 | #define ICHG_LOOP_IRQ BIT(4) |
| 190 | #define VCHG_LOOP_IRQ BIT(3) |
| 191 | #define OVERTEMP_IRQ BIT(2) |
| 192 | #define VREF_OV_IRQ BIT(1) |
| 193 | #define VBAT_OV_IRQ BIT(0) |
| 194 | |
| 195 | /* smbb_bat_if_interrupts */ |
| 196 | #define PSI_IRQ BIT(4) |
| 197 | #define VCP_ON_IRQ BIT(3) |
| 198 | #define BAT_FET_ON_IRQ BIT(2) |
| 199 | #define BAT_TEMP_OK_IRQ BIT(1) |
| 200 | #define BATT_PRES_IRQ BIT(0) |
| 201 | |
| 202 | /* smbb_usb_interrupts */ |
| 203 | #define CHG_GONE_IRQ BIT(2) |
| 204 | #define USBIN_VALID_IRQ BIT(1) |
| 205 | #define COARSE_DET_USB_IRQ BIT(0) |
| 206 | |
| 207 | /* smbb_dc_interrupts */ |
| 208 | #define DCIN_VALID_IRQ BIT(1) |
| 209 | #define COARSE_DET_DC_IRQ BIT(0) |
| 210 | |
| 211 | /* smbb_boost_interrupts */ |
| 212 | #define LIMIT_ERROR_IRQ BIT(1) |
| 213 | #define BOOST_PWR_OK_IRQ BIT(0) |
| 214 | |
| 215 | /* smbb_misc_interrupts */ |
| 216 | #define TFTWDOG_IRQ BIT(0) |
| 217 | |
David Keitel | fe51cb9 | 2013-04-02 19:42:58 -0700 | [diff] [blame] | 218 | /* SMBB types */ |
| 219 | #define SMBB BIT(1) |
| 220 | #define SMBBP BIT(2) |
| 221 | #define SMBCL BIT(3) |
| 222 | |
David Keitel | d681cda | 2012-10-02 15:44:21 -0700 | [diff] [blame] | 223 | /* Workaround flags */ |
| 224 | #define CHG_FLAGS_VCP_WA BIT(0) |
David Keitel | 33f5895 | 2013-05-20 16:17:36 -0700 | [diff] [blame] | 225 | #define BOOST_FLASH_WA BIT(1) |
Abhijeet Dharmapurikar | e749700 | 2013-07-29 11:25:37 -0700 | [diff] [blame] | 226 | #define POWER_STAGE_WA BIT(2) |
David Keitel | d681cda | 2012-10-02 15:44:21 -0700 | [diff] [blame] | 227 | |
David Keitel | 47185a6 | 2013-05-15 18:54:10 -0700 | [diff] [blame] | 228 | struct qpnp_chg_irq { |
David Keitel | 9879e2a | 2013-06-28 18:40:22 -0700 | [diff] [blame] | 229 | int irq; |
David Keitel | 47185a6 | 2013-05-15 18:54:10 -0700 | [diff] [blame] | 230 | unsigned long disabled; |
David Keitel | bf6a106 | 2014-01-23 10:57:36 -0800 | [diff] [blame] | 231 | unsigned long wake_enable; |
David Keitel | 47185a6 | 2013-05-15 18:54:10 -0700 | [diff] [blame] | 232 | }; |
| 233 | |
David Keitel | 6dc4ed4 | 2013-05-17 11:08:58 -0700 | [diff] [blame] | 234 | struct qpnp_chg_regulator { |
| 235 | struct regulator_desc rdesc; |
| 236 | struct regulator_dev *rdev; |
| 237 | }; |
| 238 | |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 239 | /** |
| 240 | * struct qpnp_chg_chip - device information |
| 241 | * @dev: device pointer to access the parent |
| 242 | * @spmi: spmi pointer to access spmi information |
| 243 | * @chgr_base: charger peripheral base address |
| 244 | * @buck_base: buck peripheral base address |
| 245 | * @bat_if_base: battery interface peripheral base address |
| 246 | * @usb_chgpth_base: USB charge path peripheral base address |
| 247 | * @dc_chgpth_base: DC charge path peripheral base address |
| 248 | * @boost_base: boost peripheral base address |
| 249 | * @misc_base: misc peripheral base address |
| 250 | * @freq_base: freq peripheral base address |
David Keitel | 454ee84 | 2013-03-08 16:19:11 -0800 | [diff] [blame] | 251 | * @bat_is_cool: indicates that battery is cool |
| 252 | * @bat_is_warm: indicates that battery is warm |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 253 | * @chg_done: indicates that charging is completed |
| 254 | * @usb_present: present status of usb |
| 255 | * @dc_present: present status of dc |
David Keitel | 42ae0aa | 2013-03-08 16:20:10 -0800 | [diff] [blame] | 256 | * @batt_present: present status of battery |
David Keitel | 3dd5e0f | 2012-12-12 18:12:36 -0800 | [diff] [blame] | 257 | * @use_default_batt_values: flag to report default battery properties |
David Keitel | 89c1775 | 2013-06-28 14:52:48 -0700 | [diff] [blame] | 258 | * @btc_disabled Flag to disable btc (disables hot and cold irqs) |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 259 | * @max_voltage_mv: the max volts the batt should be charged up to |
David Keitel | 5d44fa5 | 2012-12-03 16:37:31 -0800 | [diff] [blame] | 260 | * @min_voltage_mv: min battery voltage before turning the FET on |
Prasad Sodagudi | c367801 | 2013-09-23 12:01:19 +0530 | [diff] [blame] | 261 | * @batt_weak_voltage_mv: Weak battery voltage threshold |
David Keitel | bdbae45 | 2014-01-14 17:19:50 -0800 | [diff] [blame] | 262 | * @vbatdet_max_err_mv resume voltage hysterisis |
David Keitel | 454ee84 | 2013-03-08 16:19:11 -0800 | [diff] [blame] | 263 | * @max_bat_chg_current: maximum battery charge current in mA |
| 264 | * @warm_bat_chg_ma: warm battery maximum charge current in mA |
| 265 | * @cool_bat_chg_ma: cool battery maximum charge current in mA |
| 266 | * @warm_bat_mv: warm temperature battery target voltage |
| 267 | * @cool_bat_mv: cool temperature battery target voltage |
| 268 | * @resume_delta_mv: voltage delta at which battery resumes charging |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 269 | * @term_current: the charging based term current |
David Keitel | 5d44fa5 | 2012-12-03 16:37:31 -0800 | [diff] [blame] | 270 | * @safe_current: battery safety current setting |
David Keitel | 22ed223 | 2013-01-28 11:04:07 -0800 | [diff] [blame] | 271 | * @maxinput_usb_ma: Maximum Input current USB |
| 272 | * @maxinput_dc_ma: Maximum Input current DC |
David Keitel | 89c1775 | 2013-06-28 14:52:48 -0700 | [diff] [blame] | 273 | * @hot_batt_p Hot battery threshold setting |
| 274 | * @cold_batt_p Cold battery threshold setting |
David Keitel | 0c1a453 | 2013-03-21 16:39:06 -0700 | [diff] [blame] | 275 | * @warm_bat_decidegc Warm battery temperature in degree Celsius |
| 276 | * @cool_bat_decidegc Cool battery temperature in degree Celsius |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 277 | * @revision: PMIC revision |
David Keitel | fe51cb9 | 2013-04-02 19:42:58 -0700 | [diff] [blame] | 278 | * @type: SMBB type |
| 279 | * @tchg_mins maximum allowed software initiated charge time |
David Keitel | be20825 | 2013-01-31 14:49:25 -0800 | [diff] [blame] | 280 | * @thermal_levels amount of thermal mitigation levels |
| 281 | * @thermal_mitigation thermal mitigation level values |
| 282 | * @therm_lvl_sel thermal mitigation level selection |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 283 | * @dc_psy power supply to export information to userspace |
| 284 | * @usb_psy power supply to export information to userspace |
| 285 | * @bms_psy power supply to export information to userspace |
| 286 | * @batt_psy: power supply to export information to userspace |
David Keitel | d681cda | 2012-10-02 15:44:21 -0700 | [diff] [blame] | 287 | * @flags: flags to activate specific workarounds |
| 288 | * throughout the driver |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 289 | * |
| 290 | */ |
| 291 | struct qpnp_chg_chip { |
| 292 | struct device *dev; |
| 293 | struct spmi_device *spmi; |
| 294 | u16 chgr_base; |
| 295 | u16 buck_base; |
| 296 | u16 bat_if_base; |
| 297 | u16 usb_chgpth_base; |
| 298 | u16 dc_chgpth_base; |
| 299 | u16 boost_base; |
| 300 | u16 misc_base; |
| 301 | u16 freq_base; |
David Keitel | 47185a6 | 2013-05-15 18:54:10 -0700 | [diff] [blame] | 302 | struct qpnp_chg_irq usbin_valid; |
David Keitel | 0b62bdd | 2013-07-10 17:30:51 -0700 | [diff] [blame] | 303 | struct qpnp_chg_irq usb_ocp; |
David Keitel | 47185a6 | 2013-05-15 18:54:10 -0700 | [diff] [blame] | 304 | struct qpnp_chg_irq dcin_valid; |
| 305 | struct qpnp_chg_irq chg_gone; |
| 306 | struct qpnp_chg_irq chg_fastchg; |
| 307 | struct qpnp_chg_irq chg_trklchg; |
| 308 | struct qpnp_chg_irq chg_failed; |
| 309 | struct qpnp_chg_irq chg_vbatdet_lo; |
| 310 | struct qpnp_chg_irq batt_pres; |
Abhijeet Dharmapurikar | 84b13dd | 2013-07-08 18:43:56 -0700 | [diff] [blame] | 311 | struct qpnp_chg_irq batt_temp_ok; |
Wu Fenglin | 04ae6de | 2013-09-09 19:15:06 +0800 | [diff] [blame] | 312 | struct qpnp_chg_irq coarse_det_usb; |
David Keitel | 454ee84 | 2013-03-08 16:19:11 -0800 | [diff] [blame] | 313 | bool bat_is_cool; |
| 314 | bool bat_is_warm; |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 315 | bool chg_done; |
David Keitel | 7ac385e | 2013-08-19 18:02:40 -0700 | [diff] [blame] | 316 | bool charger_monitor_checked; |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 317 | bool usb_present; |
Wu Fenglin | 04ae6de | 2013-09-09 19:15:06 +0800 | [diff] [blame] | 318 | u8 usbin_health; |
| 319 | bool usb_coarse_det; |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 320 | bool dc_present; |
David Keitel | 42ae0aa | 2013-03-08 16:20:10 -0800 | [diff] [blame] | 321 | bool batt_present; |
David Keitel | 03ee6b5 | 2012-10-22 12:25:19 -0700 | [diff] [blame] | 322 | bool charging_disabled; |
Wu Fenglin | 04ae6de | 2013-09-09 19:15:06 +0800 | [diff] [blame] | 323 | bool ovp_monitor_enable; |
| 324 | bool usb_valid_check_ovp; |
David Keitel | 89c1775 | 2013-06-28 14:52:48 -0700 | [diff] [blame] | 325 | bool btc_disabled; |
David Keitel | 3dd5e0f | 2012-12-12 18:12:36 -0800 | [diff] [blame] | 326 | bool use_default_batt_values; |
David Keitel | 8b68d2d | 2013-05-14 23:36:51 -0700 | [diff] [blame] | 327 | bool duty_cycle_100p; |
Anirudh Ghayal | 42fc8a1 | 2013-10-21 17:42:54 -0700 | [diff] [blame] | 328 | bool ibat_calibration_enabled; |
| 329 | bool aicl_settled; |
Abhijeet Dharmapurikar | 2d81b26 | 2013-11-14 19:15:05 -0800 | [diff] [blame] | 330 | bool use_external_rsense; |
Wu Fenglin | 64fb1ac | 2013-11-08 10:20:14 +0800 | [diff] [blame] | 331 | bool fastchg_on; |
David Keitel | 975b535 | 2014-01-27 14:28:04 -0800 | [diff] [blame] | 332 | bool parallel_ovp_mode; |
David Keitel | 796882d | 2013-05-14 18:01:11 -0700 | [diff] [blame] | 333 | unsigned int bpd_detection; |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 334 | unsigned int max_bat_chg_current; |
David Keitel | 454ee84 | 2013-03-08 16:19:11 -0800 | [diff] [blame] | 335 | unsigned int warm_bat_chg_ma; |
| 336 | unsigned int cool_bat_chg_ma; |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 337 | unsigned int safe_voltage_mv; |
| 338 | unsigned int max_voltage_mv; |
| 339 | unsigned int min_voltage_mv; |
Prasad Sodagudi | c367801 | 2013-09-23 12:01:19 +0530 | [diff] [blame] | 340 | unsigned int batt_weak_voltage_mv; |
David Keitel | bdbae45 | 2014-01-14 17:19:50 -0800 | [diff] [blame] | 341 | unsigned int vbatdet_max_err_mv; |
David Keitel | fd305ee | 2013-07-19 20:19:06 -0700 | [diff] [blame] | 342 | int prev_usb_max_ma; |
Xiaozhe Shi | 79a8c49 | 2013-05-24 13:09:23 -0700 | [diff] [blame] | 343 | int set_vddmax_mv; |
| 344 | int delta_vddmax_mv; |
Xiaozhe Shi | 20b7abf | 2013-08-15 13:36:55 -0700 | [diff] [blame] | 345 | u8 trim_center; |
David Keitel | 454ee84 | 2013-03-08 16:19:11 -0800 | [diff] [blame] | 346 | unsigned int warm_bat_mv; |
| 347 | unsigned int cool_bat_mv; |
| 348 | unsigned int resume_delta_mv; |
Xiaozhe Shi | bc4f9ee | 2013-08-29 17:03:44 -0700 | [diff] [blame] | 349 | int insertion_ocv_uv; |
David Keitel | 9fd0738 | 2013-05-02 15:37:44 -0700 | [diff] [blame] | 350 | int term_current; |
Xiaozhe Shi | 7fc4e3c | 2013-06-06 13:52:29 -0700 | [diff] [blame] | 351 | int soc_resume_limit; |
| 352 | bool resuming_charging; |
David Keitel | 22ed223 | 2013-01-28 11:04:07 -0800 | [diff] [blame] | 353 | unsigned int maxinput_usb_ma; |
| 354 | unsigned int maxinput_dc_ma; |
David Keitel | 89c1775 | 2013-06-28 14:52:48 -0700 | [diff] [blame] | 355 | unsigned int hot_batt_p; |
| 356 | unsigned int cold_batt_p; |
David Keitel | 27a97e6 | 2013-06-24 13:57:12 -0700 | [diff] [blame] | 357 | int warm_bat_decidegc; |
| 358 | int cool_bat_decidegc; |
Xiaozhe Shi | 78797cf | 2013-11-12 13:18:42 -0800 | [diff] [blame] | 359 | int fake_battery_soc; |
David Keitel | 5d44fa5 | 2012-12-03 16:37:31 -0800 | [diff] [blame] | 360 | unsigned int safe_current; |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 361 | unsigned int revision; |
David Keitel | fe51cb9 | 2013-04-02 19:42:58 -0700 | [diff] [blame] | 362 | unsigned int type; |
| 363 | unsigned int tchg_mins; |
David Keitel | be20825 | 2013-01-31 14:49:25 -0800 | [diff] [blame] | 364 | unsigned int thermal_levels; |
| 365 | unsigned int therm_lvl_sel; |
| 366 | unsigned int *thermal_mitigation; |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 367 | struct power_supply dc_psy; |
| 368 | struct power_supply *usb_psy; |
| 369 | struct power_supply *bms_psy; |
| 370 | struct power_supply batt_psy; |
David Keitel | d681cda | 2012-10-02 15:44:21 -0700 | [diff] [blame] | 371 | uint32_t flags; |
David Keitel | 454ee84 | 2013-03-08 16:19:11 -0800 | [diff] [blame] | 372 | struct qpnp_adc_tm_btm_param adc_param; |
David Keitel | 79f4c93 | 2013-04-03 16:08:39 -0700 | [diff] [blame] | 373 | struct work_struct adc_measure_work; |
David Keitel | ecab15a | 2013-08-06 15:41:39 -0700 | [diff] [blame] | 374 | struct work_struct adc_disable_work; |
David Keitel | 344c697 | 2013-04-09 19:28:21 -0700 | [diff] [blame] | 375 | struct delayed_work arb_stop_work; |
David Keitel | 9fd0738 | 2013-05-02 15:37:44 -0700 | [diff] [blame] | 376 | struct delayed_work eoc_work; |
Wu Fenglin | 04ae6de | 2013-09-09 19:15:06 +0800 | [diff] [blame] | 377 | struct delayed_work usbin_health_check; |
Xiaozhe Shi | 8fbbadc | 2013-07-31 10:59:09 -0700 | [diff] [blame] | 378 | struct work_struct soc_check_work; |
David Keitel | 7ac385e | 2013-08-19 18:02:40 -0700 | [diff] [blame] | 379 | struct delayed_work aicl_check_work; |
Xiaozhe Shi | bc4f9ee | 2013-08-29 17:03:44 -0700 | [diff] [blame] | 380 | struct work_struct insertion_ocv_work; |
David Keitel | 8b9bd31 | 2014-01-15 14:44:00 -0800 | [diff] [blame] | 381 | struct work_struct ocp_clear_work; |
Chunmei Cai | 661a7cd | 2014-08-05 17:31:54 +0800 | [diff] [blame] | 382 | struct qpnp_chg_regulator flash_wa_vreg; |
David Keitel | 6dc4ed4 | 2013-05-17 11:08:58 -0700 | [diff] [blame] | 383 | struct qpnp_chg_regulator otg_vreg; |
| 384 | struct qpnp_chg_regulator boost_vreg; |
Abhijeet Dharmapurikar | e17309f1 | 2013-08-05 12:50:21 -0700 | [diff] [blame] | 385 | struct qpnp_chg_regulator batfet_vreg; |
David Keitel | 6e63bd5 | 2013-09-06 18:00:03 -0700 | [diff] [blame] | 386 | bool batfet_ext_en; |
| 387 | struct work_struct batfet_lcl_work; |
Siddartha Mohanadoss | 3cb2b6b | 2013-06-21 12:07:05 -0700 | [diff] [blame] | 388 | struct qpnp_vadc_chip *vadc_dev; |
Abhijeet Dharmapurikar | 2d81b26 | 2013-11-14 19:15:05 -0800 | [diff] [blame] | 389 | struct qpnp_iadc_chip *iadc_dev; |
Siddartha Mohanadoss | 88a3fde | 2013-06-24 16:18:52 -0700 | [diff] [blame] | 390 | struct qpnp_adc_tm_chip *adc_tm_dev; |
David Keitel | ec3c0980 | 2013-06-13 13:05:30 -0700 | [diff] [blame] | 391 | struct mutex jeita_configure_lock; |
Wu Fenglin | 04ae6de | 2013-09-09 19:15:06 +0800 | [diff] [blame] | 392 | spinlock_t usbin_health_monitor_lock; |
David Keitel | 6e63bd5 | 2013-09-06 18:00:03 -0700 | [diff] [blame] | 393 | struct mutex batfet_vreg_lock; |
Abhijeet Dharmapurikar | e749700 | 2013-07-29 11:25:37 -0700 | [diff] [blame] | 394 | struct alarm reduce_power_stage_alarm; |
| 395 | struct work_struct reduce_power_stage_work; |
| 396 | bool power_stage_workaround_running; |
Zhenhua Huang | dc33551 | 2013-10-30 11:45:15 +0800 | [diff] [blame] | 397 | bool power_stage_workaround_enable; |
Chunmei Cai | 661a7cd | 2014-08-05 17:31:54 +0800 | [diff] [blame] | 398 | bool is_flash_wa_reg_enabled; |
David Keitel | cd2e102 | 2014-05-02 17:25:15 -0700 | [diff] [blame] | 399 | bool ext_ovp_ic_gpio_enabled; |
| 400 | unsigned int ext_ovp_isns_gpio; |
| 401 | unsigned int usb_trim_default; |
Chunmei Cai | 661a7cd | 2014-08-05 17:31:54 +0800 | [diff] [blame] | 402 | u8 chg_temp_thresh_default; |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 403 | }; |
| 404 | |
David Keitel | 59fbb76 | 2014-02-05 16:46:24 -0800 | [diff] [blame] | 405 | static void |
| 406 | qpnp_chg_set_appropriate_battery_current(struct qpnp_chg_chip *chip); |
David Keitel | 47185a6 | 2013-05-15 18:54:10 -0700 | [diff] [blame] | 407 | |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 408 | static struct of_device_id qpnp_charger_match_table[] = { |
| 409 | { .compatible = QPNP_CHARGER_DEV_NAME, }, |
| 410 | {} |
| 411 | }; |
| 412 | |
David Keitel | 0ef282b | 2013-05-29 16:04:57 -0700 | [diff] [blame] | 413 | enum bpd_type { |
| 414 | BPD_TYPE_BAT_ID, |
| 415 | BPD_TYPE_BAT_THM, |
| 416 | BPD_TYPE_BAT_THM_BAT_ID, |
| 417 | }; |
David Keitel | 796882d | 2013-05-14 18:01:11 -0700 | [diff] [blame] | 418 | |
David Keitel | 0ef282b | 2013-05-29 16:04:57 -0700 | [diff] [blame] | 419 | static const char * const bpd_label[] = { |
| 420 | [BPD_TYPE_BAT_ID] = "bpd_id", |
| 421 | [BPD_TYPE_BAT_THM] = "bpd_thm", |
| 422 | [BPD_TYPE_BAT_THM_BAT_ID] = "bpd_thm_id", |
David Keitel | 796882d | 2013-05-14 18:01:11 -0700 | [diff] [blame] | 423 | }; |
| 424 | |
David Keitel | 89c1775 | 2013-06-28 14:52:48 -0700 | [diff] [blame] | 425 | enum btc_type { |
| 426 | HOT_THD_25_PCT = 25, |
| 427 | HOT_THD_35_PCT = 35, |
| 428 | COLD_THD_70_PCT = 70, |
| 429 | COLD_THD_80_PCT = 80, |
| 430 | }; |
| 431 | |
| 432 | static u8 btc_value[] = { |
| 433 | [HOT_THD_25_PCT] = 0x0, |
| 434 | [HOT_THD_35_PCT] = BIT(0), |
| 435 | [COLD_THD_70_PCT] = 0x0, |
| 436 | [COLD_THD_80_PCT] = BIT(1), |
| 437 | }; |
| 438 | |
Wu Fenglin | 04ae6de | 2013-09-09 19:15:06 +0800 | [diff] [blame] | 439 | enum usbin_health { |
| 440 | USBIN_UNKNOW, |
| 441 | USBIN_OK, |
| 442 | USBIN_OVP, |
| 443 | }; |
| 444 | |
David Keitel | cd2e102 | 2014-05-02 17:25:15 -0700 | [diff] [blame] | 445 | static int ext_ovp_isns_present; |
| 446 | module_param(ext_ovp_isns_present, int, 0444); |
| 447 | static int ext_ovp_isns_r; |
| 448 | module_param(ext_ovp_isns_r, int, 0444); |
| 449 | |
| 450 | static bool ext_ovp_isns_online; |
| 451 | static long ext_ovp_isns_ua; |
| 452 | #define MAX_CURRENT_LENGTH_9A 10 |
| 453 | #define ISNS_CURRENT_RATIO 2500 |
| 454 | static int ext_ovp_isns_read(char *buffer, const struct kernel_param *kp) |
| 455 | { |
| 456 | int rc; |
| 457 | struct qpnp_vadc_result results; |
| 458 | struct power_supply *batt_psy = power_supply_get_by_name("battery"); |
| 459 | struct qpnp_chg_chip *chip = container_of(batt_psy, |
| 460 | struct qpnp_chg_chip, batt_psy); |
| 461 | |
| 462 | if (!ext_ovp_isns_present) |
| 463 | return 0; |
| 464 | |
| 465 | rc = qpnp_vadc_read(chip->vadc_dev, P_MUX7_1_1, &results); |
| 466 | if (rc) { |
| 467 | pr_err("Unable to read vbat rc=%d\n", rc); |
| 468 | return 0; |
| 469 | } |
| 470 | |
| 471 | pr_debug("voltage %lld uV, current: %d\n mA", results.physical, |
| 472 | ((int) results.physical / |
| 473 | (ext_ovp_isns_r / ISNS_CURRENT_RATIO))); |
| 474 | |
| 475 | return snprintf(buffer, MAX_CURRENT_LENGTH_9A, "%d\n", |
| 476 | ((int)results.physical / |
| 477 | (ext_ovp_isns_r / ISNS_CURRENT_RATIO))); |
| 478 | } |
| 479 | |
| 480 | static int ext_ovp_isns_enable(const char *val, const struct kernel_param *kp) |
| 481 | { |
| 482 | int rc; |
| 483 | struct power_supply *batt_psy = power_supply_get_by_name("battery"); |
| 484 | struct qpnp_chg_chip *chip = container_of(batt_psy, |
| 485 | struct qpnp_chg_chip, batt_psy); |
| 486 | |
| 487 | rc = param_set_bool(val, kp); |
| 488 | if (rc) { |
| 489 | pr_err("Unable to set gpio en: %d\n", rc); |
| 490 | return rc; |
| 491 | } |
| 492 | |
| 493 | if (*(bool *)kp->arg) { |
| 494 | gpio_direction_output( |
| 495 | chip->ext_ovp_isns_gpio, 1); |
| 496 | chip->ext_ovp_ic_gpio_enabled = 1; |
| 497 | pr_debug("enabled GPIO\n"); |
| 498 | } else { |
| 499 | gpio_direction_output( |
| 500 | chip->ext_ovp_isns_gpio, 0); |
| 501 | chip->ext_ovp_ic_gpio_enabled = 0; |
| 502 | pr_debug("disabled GPIO\n"); |
| 503 | } |
| 504 | |
| 505 | return rc; |
| 506 | } |
| 507 | |
| 508 | static struct kernel_param_ops ext_ovp_isns_ops = { |
| 509 | .get = ext_ovp_isns_read, |
| 510 | }; |
| 511 | module_param_cb(ext_ovp_isns_ua, &ext_ovp_isns_ops, &ext_ovp_isns_ua, 0644); |
| 512 | |
| 513 | static struct kernel_param_ops ext_ovp_en_ops = { |
| 514 | .set = ext_ovp_isns_enable, |
| 515 | .get = param_get_bool, |
| 516 | }; |
| 517 | module_param_cb(ext_ovp_isns_online, &ext_ovp_en_ops, |
| 518 | &ext_ovp_isns_online, 0664); |
| 519 | |
wangxl | ee3614a | 2015-02-03 13:13:11 +0800 | [diff] [blame] | 520 | #ifdef CONFIG_TCMD |
| 521 | static struct qpnp_chg_chip *the_chip; |
| 522 | #endif |
| 523 | |
Wu Fenglin | 04ae6de | 2013-09-09 19:15:06 +0800 | [diff] [blame] | 524 | static inline int |
David Keitel | 796882d | 2013-05-14 18:01:11 -0700 | [diff] [blame] | 525 | get_bpd(const char *name) |
| 526 | { |
| 527 | int i = 0; |
David Keitel | 0ef282b | 2013-05-29 16:04:57 -0700 | [diff] [blame] | 528 | for (i = 0; i < ARRAY_SIZE(bpd_label); i++) { |
| 529 | if (strcmp(bpd_label[i], name) == 0) |
David Keitel | 796882d | 2013-05-14 18:01:11 -0700 | [diff] [blame] | 530 | return i; |
| 531 | } |
| 532 | return -EINVAL; |
| 533 | } |
| 534 | |
Anirudh Ghayal | 42fc8a1 | 2013-10-21 17:42:54 -0700 | [diff] [blame] | 535 | static bool |
| 536 | is_within_range(int value, int left, int right) |
| 537 | { |
| 538 | if (left >= right && left >= value && value >= right) |
| 539 | return 1; |
| 540 | if (left <= right && left <= value && value <= right) |
| 541 | return 1; |
| 542 | return 0; |
| 543 | } |
| 544 | |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 545 | static int |
| 546 | qpnp_chg_read(struct qpnp_chg_chip *chip, u8 *val, |
| 547 | u16 base, int count) |
| 548 | { |
David Keitel | 3909357 | 2013-06-05 15:32:30 -0700 | [diff] [blame] | 549 | int rc = 0; |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 550 | struct spmi_device *spmi = chip->spmi; |
| 551 | |
David Keitel | 3909357 | 2013-06-05 15:32:30 -0700 | [diff] [blame] | 552 | if (base == 0) { |
| 553 | pr_err("base cannot be zero base=0x%02x sid=0x%02x rc=%d\n", |
| 554 | base, spmi->sid, rc); |
| 555 | return -EINVAL; |
| 556 | } |
| 557 | |
| 558 | rc = spmi_ext_register_readl(spmi->ctrl, spmi->sid, base, val, count); |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 559 | if (rc) { |
| 560 | pr_err("SPMI read failed base=0x%02x sid=0x%02x rc=%d\n", base, |
| 561 | spmi->sid, rc); |
| 562 | return rc; |
| 563 | } |
| 564 | return 0; |
| 565 | } |
| 566 | |
| 567 | static int |
| 568 | qpnp_chg_write(struct qpnp_chg_chip *chip, u8 *val, |
| 569 | u16 base, int count) |
| 570 | { |
David Keitel | 3909357 | 2013-06-05 15:32:30 -0700 | [diff] [blame] | 571 | int rc = 0; |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 572 | struct spmi_device *spmi = chip->spmi; |
| 573 | |
David Keitel | 3909357 | 2013-06-05 15:32:30 -0700 | [diff] [blame] | 574 | if (base == 0) { |
| 575 | pr_err("base cannot be zero base=0x%02x sid=0x%02x rc=%d\n", |
| 576 | base, spmi->sid, rc); |
| 577 | return -EINVAL; |
| 578 | } |
| 579 | |
| 580 | rc = spmi_ext_register_writel(spmi->ctrl, spmi->sid, base, val, count); |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 581 | if (rc) { |
| 582 | pr_err("write failed base=0x%02x sid=0x%02x rc=%d\n", |
| 583 | base, spmi->sid, rc); |
| 584 | return rc; |
| 585 | } |
| 586 | |
| 587 | return 0; |
| 588 | } |
| 589 | |
| 590 | static int |
| 591 | qpnp_chg_masked_write(struct qpnp_chg_chip *chip, u16 base, |
| 592 | u8 mask, u8 val, int count) |
| 593 | { |
| 594 | int rc; |
| 595 | u8 reg; |
| 596 | |
| 597 | rc = qpnp_chg_read(chip, ®, base, count); |
| 598 | if (rc) { |
| 599 | pr_err("spmi read failed: addr=%03X, rc=%d\n", base, rc); |
| 600 | return rc; |
| 601 | } |
| 602 | pr_debug("addr = 0x%x read 0x%x\n", base, reg); |
| 603 | |
| 604 | reg &= ~mask; |
| 605 | reg |= val & mask; |
| 606 | |
| 607 | pr_debug("Writing 0x%x\n", reg); |
| 608 | |
| 609 | rc = qpnp_chg_write(chip, ®, base, count); |
| 610 | if (rc) { |
| 611 | pr_err("spmi write failed: addr=%03X, rc=%d\n", base, rc); |
| 612 | return rc; |
| 613 | } |
| 614 | |
| 615 | return 0; |
| 616 | } |
| 617 | |
David Keitel | 47185a6 | 2013-05-15 18:54:10 -0700 | [diff] [blame] | 618 | static void |
| 619 | qpnp_chg_enable_irq(struct qpnp_chg_irq *irq) |
| 620 | { |
| 621 | if (__test_and_clear_bit(0, &irq->disabled)) { |
| 622 | pr_debug("number = %d\n", irq->irq); |
| 623 | enable_irq(irq->irq); |
| 624 | } |
| 625 | } |
| 626 | |
| 627 | static void |
| 628 | qpnp_chg_disable_irq(struct qpnp_chg_irq *irq) |
| 629 | { |
| 630 | if (!__test_and_set_bit(0, &irq->disabled)) { |
| 631 | pr_debug("number = %d\n", irq->irq); |
| 632 | disable_irq_nosync(irq->irq); |
| 633 | } |
| 634 | } |
| 635 | |
David Keitel | bf6a106 | 2014-01-23 10:57:36 -0800 | [diff] [blame] | 636 | static void |
| 637 | qpnp_chg_irq_wake_enable(struct qpnp_chg_irq *irq) |
| 638 | { |
| 639 | if (!__test_and_set_bit(0, &irq->wake_enable)) { |
| 640 | pr_debug("number = %d\n", irq->irq); |
| 641 | enable_irq_wake(irq->irq); |
| 642 | } |
| 643 | } |
| 644 | |
| 645 | static void |
| 646 | qpnp_chg_irq_wake_disable(struct qpnp_chg_irq *irq) |
| 647 | { |
| 648 | if (__test_and_clear_bit(0, &irq->wake_enable)) { |
| 649 | pr_debug("number = %d\n", irq->irq); |
| 650 | disable_irq_wake(irq->irq); |
| 651 | } |
| 652 | } |
| 653 | |
David Keitel | 6f865cd | 2012-11-30 15:04:32 -0800 | [diff] [blame] | 654 | #define USB_OTG_EN_BIT BIT(0) |
| 655 | static int |
| 656 | qpnp_chg_is_otg_en_set(struct qpnp_chg_chip *chip) |
| 657 | { |
| 658 | u8 usb_otg_en; |
| 659 | int rc; |
| 660 | |
| 661 | rc = qpnp_chg_read(chip, &usb_otg_en, |
| 662 | chip->usb_chgpth_base + CHGR_USB_USB_OTG_CTL, |
| 663 | 1); |
| 664 | |
| 665 | if (rc) { |
| 666 | pr_err("spmi read failed: addr=%03X, rc=%d\n", |
| 667 | chip->usb_chgpth_base + CHGR_STATUS, rc); |
| 668 | return rc; |
| 669 | } |
| 670 | pr_debug("usb otg en 0x%x\n", usb_otg_en); |
| 671 | |
| 672 | return (usb_otg_en & USB_OTG_EN_BIT) ? 1 : 0; |
| 673 | } |
| 674 | |
David Keitel | 42ae0aa | 2013-03-08 16:20:10 -0800 | [diff] [blame] | 675 | static int |
David Keitel | 6dc4ed4 | 2013-05-17 11:08:58 -0700 | [diff] [blame] | 676 | qpnp_chg_is_boost_en_set(struct qpnp_chg_chip *chip) |
| 677 | { |
| 678 | u8 boost_en_ctl; |
| 679 | int rc; |
| 680 | |
| 681 | rc = qpnp_chg_read(chip, &boost_en_ctl, |
| 682 | chip->boost_base + BOOST_ENABLE_CONTROL, 1); |
| 683 | if (rc) { |
| 684 | pr_err("spmi read failed: addr=%03X, rc=%d\n", |
| 685 | chip->boost_base + BOOST_ENABLE_CONTROL, rc); |
| 686 | return rc; |
| 687 | } |
| 688 | |
| 689 | pr_debug("boost en 0x%x\n", boost_en_ctl); |
| 690 | |
| 691 | return (boost_en_ctl & BOOST_PWR_EN) ? 1 : 0; |
| 692 | } |
| 693 | |
| 694 | static int |
Abhijeet Dharmapurikar | 84b13dd | 2013-07-08 18:43:56 -0700 | [diff] [blame] | 695 | qpnp_chg_is_batt_temp_ok(struct qpnp_chg_chip *chip) |
| 696 | { |
| 697 | u8 batt_rt_sts; |
| 698 | int rc; |
| 699 | |
| 700 | rc = qpnp_chg_read(chip, &batt_rt_sts, |
| 701 | INT_RT_STS(chip->bat_if_base), 1); |
| 702 | if (rc) { |
| 703 | pr_err("spmi read failed: addr=%03X, rc=%d\n", |
| 704 | INT_RT_STS(chip->bat_if_base), rc); |
| 705 | return rc; |
| 706 | } |
| 707 | |
| 708 | return (batt_rt_sts & BAT_TEMP_OK_IRQ) ? 1 : 0; |
| 709 | } |
| 710 | |
| 711 | static int |
David Keitel | 42ae0aa | 2013-03-08 16:20:10 -0800 | [diff] [blame] | 712 | qpnp_chg_is_batt_present(struct qpnp_chg_chip *chip) |
| 713 | { |
| 714 | u8 batt_pres_rt_sts; |
| 715 | int rc; |
| 716 | |
| 717 | rc = qpnp_chg_read(chip, &batt_pres_rt_sts, |
| 718 | INT_RT_STS(chip->bat_if_base), 1); |
| 719 | if (rc) { |
| 720 | pr_err("spmi read failed: addr=%03X, rc=%d\n", |
| 721 | INT_RT_STS(chip->bat_if_base), rc); |
| 722 | return rc; |
| 723 | } |
| 724 | |
| 725 | return (batt_pres_rt_sts & BATT_PRES_IRQ) ? 1 : 0; |
| 726 | } |
| 727 | |
Abhijeet Dharmapurikar | 84b13dd | 2013-07-08 18:43:56 -0700 | [diff] [blame] | 728 | static int |
| 729 | qpnp_chg_is_batfet_closed(struct qpnp_chg_chip *chip) |
| 730 | { |
| 731 | u8 batfet_closed_rt_sts; |
| 732 | int rc; |
| 733 | |
| 734 | rc = qpnp_chg_read(chip, &batfet_closed_rt_sts, |
| 735 | INT_RT_STS(chip->bat_if_base), 1); |
| 736 | if (rc) { |
| 737 | pr_err("spmi read failed: addr=%03X, rc=%d\n", |
| 738 | INT_RT_STS(chip->bat_if_base), rc); |
| 739 | return rc; |
| 740 | } |
| 741 | |
| 742 | return (batfet_closed_rt_sts & BAT_FET_ON_IRQ) ? 1 : 0; |
| 743 | } |
| 744 | |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 745 | static int |
| 746 | qpnp_chg_is_usb_chg_plugged_in(struct qpnp_chg_chip *chip) |
| 747 | { |
Zhenhua Huang | f116387 | 2014-03-03 10:51:25 +0800 | [diff] [blame] | 748 | u8 usb_chgpth_rt_sts; |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 749 | int rc; |
| 750 | |
Zhenhua Huang | f116387 | 2014-03-03 10:51:25 +0800 | [diff] [blame] | 751 | rc = qpnp_chg_read(chip, &usb_chgpth_rt_sts, |
| 752 | INT_RT_STS(chip->usb_chgpth_base), 1); |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 753 | |
| 754 | if (rc) { |
| 755 | pr_err("spmi read failed: addr=%03X, rc=%d\n", |
Zhenhua Huang | f116387 | 2014-03-03 10:51:25 +0800 | [diff] [blame] | 756 | INT_RT_STS(chip->usb_chgpth_base), rc); |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 757 | return rc; |
| 758 | } |
Zhenhua Huang | f116387 | 2014-03-03 10:51:25 +0800 | [diff] [blame] | 759 | pr_debug("chgr usb sts 0x%x\n", usb_chgpth_rt_sts); |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 760 | |
Zhenhua Huang | f116387 | 2014-03-03 10:51:25 +0800 | [diff] [blame] | 761 | return (usb_chgpth_rt_sts & USBIN_VALID_IRQ) ? 1 : 0; |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 762 | } |
| 763 | |
Anirudh Ghayal | 42fc8a1 | 2013-10-21 17:42:54 -0700 | [diff] [blame] | 764 | static bool |
David Keitel | 820a90d | 2014-03-25 18:18:04 -0700 | [diff] [blame] | 765 | qpnp_is_dc_higher_prio(struct qpnp_chg_chip *chip) |
| 766 | { |
| 767 | int rc; |
| 768 | u8 usb_ctl; |
| 769 | |
| 770 | if (!chip->type == SMBB) |
| 771 | return false; |
| 772 | |
| 773 | rc = qpnp_chg_read(chip, &usb_ctl, |
| 774 | chip->usb_chgpth_base + USB_CHGPTH_CTL, 1); |
| 775 | if (rc) { |
| 776 | pr_err("failed to read usb ctl rc=%d\n", rc); |
| 777 | return 0; |
| 778 | } |
| 779 | |
| 780 | return !!(usb_ctl & DC_HIGHER_PRIORITY); |
| 781 | } |
| 782 | |
| 783 | static bool |
Anirudh Ghayal | 42fc8a1 | 2013-10-21 17:42:54 -0700 | [diff] [blame] | 784 | qpnp_chg_is_ibat_loop_active(struct qpnp_chg_chip *chip) |
| 785 | { |
| 786 | int rc; |
| 787 | u8 buck_sts; |
| 788 | |
| 789 | rc = qpnp_chg_read(chip, &buck_sts, |
| 790 | INT_RT_STS(chip->buck_base), 1); |
| 791 | if (rc) { |
| 792 | pr_err("failed to read buck RT status rc=%d\n", rc); |
| 793 | return 0; |
| 794 | } |
| 795 | |
| 796 | return !!(buck_sts & IBAT_LOOP_IRQ); |
| 797 | } |
| 798 | |
Zhenhua Huang | f116387 | 2014-03-03 10:51:25 +0800 | [diff] [blame] | 799 | #define USB_VALID_MASK 0xC0 |
| 800 | #define USB_VALID_IN_MASK BIT(7) |
| 801 | #define USB_COARSE_DET 0x10 |
| 802 | #define USB_VALID_OVP_VALUE 0x40 |
Wu Fenglin | 04ae6de | 2013-09-09 19:15:06 +0800 | [diff] [blame] | 803 | static int |
| 804 | qpnp_chg_check_usb_coarse_det(struct qpnp_chg_chip *chip) |
| 805 | { |
| 806 | u8 usbin_chg_rt_sts; |
| 807 | int rc; |
| 808 | rc = qpnp_chg_read(chip, &usbin_chg_rt_sts, |
| 809 | chip->usb_chgpth_base + CHGR_STATUS , 1); |
| 810 | if (rc) { |
| 811 | pr_err("spmi read failed: addr=%03X, rc=%d\n", |
| 812 | chip->usb_chgpth_base + CHGR_STATUS, rc); |
| 813 | return rc; |
| 814 | } |
| 815 | return (usbin_chg_rt_sts & USB_COARSE_DET) ? 1 : 0; |
| 816 | } |
| 817 | |
| 818 | static int |
| 819 | qpnp_chg_check_usbin_health(struct qpnp_chg_chip *chip) |
| 820 | { |
Zhenhua Huang | f116387 | 2014-03-03 10:51:25 +0800 | [diff] [blame] | 821 | u8 usbin_chg_rt_sts, usb_chgpth_rt_sts; |
| 822 | u8 usbin_health = 0; |
Wu Fenglin | 04ae6de | 2013-09-09 19:15:06 +0800 | [diff] [blame] | 823 | int rc; |
| 824 | |
| 825 | rc = qpnp_chg_read(chip, &usbin_chg_rt_sts, |
| 826 | chip->usb_chgpth_base + CHGR_STATUS , 1); |
| 827 | |
| 828 | if (rc) { |
| 829 | pr_err("spmi read failed: addr=%03X, rc=%d\n", |
| 830 | chip->usb_chgpth_base + CHGR_STATUS, rc); |
| 831 | return rc; |
| 832 | } |
| 833 | |
Zhenhua Huang | f116387 | 2014-03-03 10:51:25 +0800 | [diff] [blame] | 834 | rc = qpnp_chg_read(chip, &usb_chgpth_rt_sts, |
| 835 | INT_RT_STS(chip->usb_chgpth_base) , 1); |
| 836 | |
| 837 | if (rc) { |
| 838 | pr_err("spmi read failed: addr=%03X, rc=%d\n", |
| 839 | INT_RT_STS(chip->usb_chgpth_base), rc); |
| 840 | return rc; |
| 841 | } |
| 842 | |
| 843 | pr_debug("chgr usb sts 0x%x, chgpth rt sts 0x%x\n", |
| 844 | usbin_chg_rt_sts, usb_chgpth_rt_sts); |
Wu Fenglin | 04ae6de | 2013-09-09 19:15:06 +0800 | [diff] [blame] | 845 | if ((usbin_chg_rt_sts & USB_COARSE_DET) == USB_COARSE_DET) { |
| 846 | if ((usbin_chg_rt_sts & USB_VALID_MASK) |
| 847 | == USB_VALID_OVP_VALUE) { |
| 848 | usbin_health = USBIN_OVP; |
| 849 | pr_err("Over voltage charger inserted\n"); |
Zhenhua Huang | f116387 | 2014-03-03 10:51:25 +0800 | [diff] [blame] | 850 | } else if ((usb_chgpth_rt_sts & USBIN_VALID_IRQ) != 0) { |
Wu Fenglin | 04ae6de | 2013-09-09 19:15:06 +0800 | [diff] [blame] | 851 | usbin_health = USBIN_OK; |
| 852 | pr_debug("Valid charger inserted\n"); |
| 853 | } |
| 854 | } else { |
| 855 | usbin_health = USBIN_UNKNOW; |
| 856 | pr_debug("Charger plug out\n"); |
| 857 | } |
| 858 | |
| 859 | return usbin_health; |
| 860 | } |
| 861 | |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 862 | static int |
| 863 | qpnp_chg_is_dc_chg_plugged_in(struct qpnp_chg_chip *chip) |
| 864 | { |
| 865 | u8 dcin_valid_rt_sts; |
| 866 | int rc; |
| 867 | |
David Keitel | f2170cc | 2013-02-20 17:49:03 -0800 | [diff] [blame] | 868 | if (!chip->dc_chgpth_base) |
| 869 | return 0; |
| 870 | |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 871 | rc = qpnp_chg_read(chip, &dcin_valid_rt_sts, |
| 872 | INT_RT_STS(chip->dc_chgpth_base), 1); |
| 873 | if (rc) { |
| 874 | pr_err("spmi read failed: addr=%03X, rc=%d\n", |
| 875 | INT_RT_STS(chip->dc_chgpth_base), rc); |
| 876 | return rc; |
| 877 | } |
| 878 | |
| 879 | return (dcin_valid_rt_sts & DCIN_VALID_IRQ) ? 1 : 0; |
| 880 | } |
| 881 | |
Abhijeet Dharmapurikar | e749700 | 2013-07-29 11:25:37 -0700 | [diff] [blame] | 882 | static int |
| 883 | qpnp_chg_is_ichg_loop_active(struct qpnp_chg_chip *chip) |
| 884 | { |
| 885 | u8 buck_sts; |
| 886 | int rc; |
| 887 | |
| 888 | rc = qpnp_chg_read(chip, &buck_sts, INT_RT_STS(chip->buck_base), 1); |
| 889 | |
| 890 | if (rc) { |
| 891 | pr_err("spmi read failed: addr=%03X, rc=%d\n", |
| 892 | INT_RT_STS(chip->buck_base), rc); |
| 893 | return rc; |
| 894 | } |
| 895 | pr_debug("buck usb sts 0x%x\n", buck_sts); |
| 896 | |
| 897 | return (buck_sts & ICHG_LOOP_IRQ) ? 1 : 0; |
| 898 | } |
| 899 | |
David Keitel | 22ed223 | 2013-01-28 11:04:07 -0800 | [diff] [blame] | 900 | #define QPNP_CHG_I_MAX_MIN_100 100 |
| 901 | #define QPNP_CHG_I_MAX_MIN_150 150 |
| 902 | #define QPNP_CHG_I_MAX_MIN_MA 200 |
| 903 | #define QPNP_CHG_I_MAX_MAX_MA 2500 |
| 904 | #define QPNP_CHG_I_MAXSTEP_MA 100 |
| 905 | static int |
| 906 | qpnp_chg_idcmax_set(struct qpnp_chg_chip *chip, int mA) |
| 907 | { |
| 908 | int rc = 0; |
| 909 | u8 dc = 0; |
| 910 | |
| 911 | if (mA < QPNP_CHG_I_MAX_MIN_100 |
| 912 | || mA > QPNP_CHG_I_MAX_MAX_MA) { |
| 913 | pr_err("bad mA=%d asked to set\n", mA); |
| 914 | return -EINVAL; |
| 915 | } |
| 916 | |
| 917 | if (mA == QPNP_CHG_I_MAX_MIN_100) { |
| 918 | dc = 0x00; |
| 919 | pr_debug("current=%d setting %02x\n", mA, dc); |
| 920 | return qpnp_chg_write(chip, &dc, |
| 921 | chip->dc_chgpth_base + CHGR_I_MAX_REG, 1); |
| 922 | } else if (mA == QPNP_CHG_I_MAX_MIN_150) { |
| 923 | dc = 0x01; |
| 924 | pr_debug("current=%d setting %02x\n", mA, dc); |
| 925 | return qpnp_chg_write(chip, &dc, |
| 926 | chip->dc_chgpth_base + CHGR_I_MAX_REG, 1); |
| 927 | } |
| 928 | |
| 929 | dc = mA / QPNP_CHG_I_MAXSTEP_MA; |
| 930 | |
| 931 | pr_debug("current=%d setting 0x%x\n", mA, dc); |
| 932 | rc = qpnp_chg_write(chip, &dc, |
| 933 | chip->dc_chgpth_base + CHGR_I_MAX_REG, 1); |
| 934 | |
| 935 | return rc; |
| 936 | } |
| 937 | |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 938 | static int |
David Keitel | 2586f0a | 2013-08-20 10:02:26 -0700 | [diff] [blame] | 939 | qpnp_chg_iusb_trim_get(struct qpnp_chg_chip *chip) |
| 940 | { |
| 941 | int rc = 0; |
| 942 | u8 trim_reg; |
| 943 | |
| 944 | rc = qpnp_chg_read(chip, &trim_reg, |
| 945 | chip->usb_chgpth_base + CHGR_USB_TRIM, 1); |
| 946 | if (rc) { |
| 947 | pr_err("failed to read USB_TRIM rc=%d\n", rc); |
| 948 | return 0; |
| 949 | } |
| 950 | |
| 951 | return trim_reg; |
| 952 | } |
| 953 | |
| 954 | static int |
| 955 | qpnp_chg_iusb_trim_set(struct qpnp_chg_chip *chip, int trim) |
| 956 | { |
| 957 | int rc = 0; |
| 958 | |
| 959 | rc = qpnp_chg_masked_write(chip, |
| 960 | chip->usb_chgpth_base + SEC_ACCESS, |
| 961 | 0xFF, |
| 962 | 0xA5, 1); |
| 963 | if (rc) { |
| 964 | pr_err("failed to write SEC_ACCESS rc=%d\n", rc); |
| 965 | return rc; |
| 966 | } |
| 967 | |
| 968 | rc = qpnp_chg_masked_write(chip, |
| 969 | chip->usb_chgpth_base + CHGR_USB_TRIM, |
| 970 | 0xFF, |
| 971 | trim, 1); |
| 972 | if (rc) { |
| 973 | pr_err("failed to write USB TRIM rc=%d\n", rc); |
| 974 | return rc; |
| 975 | } |
| 976 | |
| 977 | return rc; |
| 978 | } |
| 979 | |
David Keitel | cd2e102 | 2014-05-02 17:25:15 -0700 | [diff] [blame] | 980 | #define IOVP_USB_WALL_TRSH_MA 150 |
David Keitel | 2586f0a | 2013-08-20 10:02:26 -0700 | [diff] [blame] | 981 | static int |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 982 | qpnp_chg_iusbmax_set(struct qpnp_chg_chip *chip, int mA) |
| 983 | { |
David Keitel | d681cda | 2012-10-02 15:44:21 -0700 | [diff] [blame] | 984 | int rc = 0; |
| 985 | u8 usb_reg = 0, temp = 8; |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 986 | |
David Keitel | 7b056848 | 2013-12-02 14:47:42 -0800 | [diff] [blame] | 987 | if (mA < 0 || mA > QPNP_CHG_I_MAX_MAX_MA) { |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 988 | pr_err("bad mA=%d asked to set\n", mA); |
| 989 | return -EINVAL; |
| 990 | } |
| 991 | |
David Keitel | 7b056848 | 2013-12-02 14:47:42 -0800 | [diff] [blame] | 992 | if (mA <= QPNP_CHG_I_MAX_MIN_100) { |
David Keitel | 22ed223 | 2013-01-28 11:04:07 -0800 | [diff] [blame] | 993 | usb_reg = 0x00; |
| 994 | pr_debug("current=%d setting %02x\n", mA, usb_reg); |
| 995 | return qpnp_chg_write(chip, &usb_reg, |
| 996 | chip->usb_chgpth_base + CHGR_I_MAX_REG, 1); |
| 997 | } else if (mA == QPNP_CHG_I_MAX_MIN_150) { |
| 998 | usb_reg = 0x01; |
| 999 | pr_debug("current=%d setting %02x\n", mA, usb_reg); |
| 1000 | return qpnp_chg_write(chip, &usb_reg, |
| 1001 | chip->usb_chgpth_base + CHGR_I_MAX_REG, 1); |
| 1002 | } |
| 1003 | |
| 1004 | /* Impose input current limit */ |
| 1005 | if (chip->maxinput_usb_ma) |
| 1006 | mA = (chip->maxinput_usb_ma) <= mA ? chip->maxinput_usb_ma : mA; |
| 1007 | |
| 1008 | usb_reg = mA / QPNP_CHG_I_MAXSTEP_MA; |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 1009 | |
David Keitel | d681cda | 2012-10-02 15:44:21 -0700 | [diff] [blame] | 1010 | if (chip->flags & CHG_FLAGS_VCP_WA) { |
| 1011 | temp = 0xA5; |
| 1012 | rc = qpnp_chg_write(chip, &temp, |
| 1013 | chip->buck_base + SEC_ACCESS, 1); |
| 1014 | rc = qpnp_chg_masked_write(chip, |
| 1015 | chip->buck_base + CHGR_BUCK_COMPARATOR_OVRIDE_3, |
| 1016 | 0x0C, 0x0C, 1); |
| 1017 | } |
| 1018 | |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 1019 | pr_debug("current=%d setting 0x%x\n", mA, usb_reg); |
David Keitel | d681cda | 2012-10-02 15:44:21 -0700 | [diff] [blame] | 1020 | rc = qpnp_chg_write(chip, &usb_reg, |
David Keitel | 22ed223 | 2013-01-28 11:04:07 -0800 | [diff] [blame] | 1021 | chip->usb_chgpth_base + CHGR_I_MAX_REG, 1); |
David Keitel | d681cda | 2012-10-02 15:44:21 -0700 | [diff] [blame] | 1022 | |
| 1023 | if (chip->flags & CHG_FLAGS_VCP_WA) { |
| 1024 | temp = 0xA5; |
| 1025 | udelay(200); |
| 1026 | rc = qpnp_chg_write(chip, &temp, |
| 1027 | chip->buck_base + SEC_ACCESS, 1); |
| 1028 | rc = qpnp_chg_masked_write(chip, |
| 1029 | chip->buck_base + CHGR_BUCK_COMPARATOR_OVRIDE_3, |
| 1030 | 0x0C, 0x00, 1); |
| 1031 | } |
| 1032 | |
| 1033 | return rc; |
| 1034 | } |
| 1035 | |
David Keitel | 25544a2 | 2013-12-06 17:59:24 -0800 | [diff] [blame] | 1036 | #define QPNP_CHG_VINMIN_MIN_MV 4000 |
David Keitel | 337bd86 | 2013-07-15 21:42:58 -0700 | [diff] [blame] | 1037 | #define QPNP_CHG_VINMIN_HIGH_MIN_MV 5600 |
| 1038 | #define QPNP_CHG_VINMIN_HIGH_MIN_VAL 0x2B |
| 1039 | #define QPNP_CHG_VINMIN_MAX_MV 9600 |
| 1040 | #define QPNP_CHG_VINMIN_STEP_MV 50 |
| 1041 | #define QPNP_CHG_VINMIN_STEP_HIGH_MV 200 |
Prasad Sodagudi | 95624b6 | 2013-09-26 16:40:59 +0530 | [diff] [blame] | 1042 | #define QPNP_CHG_VINMIN_MASK 0x3F |
David Keitel | 25544a2 | 2013-12-06 17:59:24 -0800 | [diff] [blame] | 1043 | #define QPNP_CHG_VINMIN_MIN_VAL 0x0C |
David Keitel | 337bd86 | 2013-07-15 21:42:58 -0700 | [diff] [blame] | 1044 | static int |
| 1045 | qpnp_chg_vinmin_set(struct qpnp_chg_chip *chip, int voltage) |
| 1046 | { |
| 1047 | u8 temp; |
| 1048 | |
David Keitel | 25544a2 | 2013-12-06 17:59:24 -0800 | [diff] [blame] | 1049 | if ((voltage < QPNP_CHG_VINMIN_MIN_MV) |
| 1050 | || (voltage > QPNP_CHG_VINMIN_MAX_MV)) { |
David Keitel | 337bd86 | 2013-07-15 21:42:58 -0700 | [diff] [blame] | 1051 | pr_err("bad mV=%d asked to set\n", voltage); |
| 1052 | return -EINVAL; |
| 1053 | } |
| 1054 | if (voltage >= QPNP_CHG_VINMIN_HIGH_MIN_MV) { |
| 1055 | temp = QPNP_CHG_VINMIN_HIGH_MIN_VAL; |
David Keitel | 289fcf8 | 2013-10-24 11:33:00 -0700 | [diff] [blame] | 1056 | temp += (voltage - QPNP_CHG_VINMIN_HIGH_MIN_MV) |
David Keitel | 337bd86 | 2013-07-15 21:42:58 -0700 | [diff] [blame] | 1057 | / QPNP_CHG_VINMIN_STEP_HIGH_MV; |
| 1058 | } else { |
| 1059 | temp = QPNP_CHG_VINMIN_MIN_VAL; |
| 1060 | temp += (voltage - QPNP_CHG_VINMIN_MIN_MV) |
| 1061 | / QPNP_CHG_VINMIN_STEP_MV; |
| 1062 | } |
| 1063 | |
| 1064 | pr_debug("voltage=%d setting %02x\n", voltage, temp); |
| 1065 | return qpnp_chg_masked_write(chip, |
| 1066 | chip->chgr_base + CHGR_VIN_MIN, |
| 1067 | QPNP_CHG_VINMIN_MASK, temp, 1); |
| 1068 | } |
| 1069 | |
| 1070 | static int |
| 1071 | qpnp_chg_vinmin_get(struct qpnp_chg_chip *chip) |
| 1072 | { |
| 1073 | int rc, vin_min_mv; |
| 1074 | u8 vin_min; |
| 1075 | |
| 1076 | rc = qpnp_chg_read(chip, &vin_min, chip->chgr_base + CHGR_VIN_MIN, 1); |
| 1077 | if (rc) { |
| 1078 | pr_err("failed to read VIN_MIN rc=%d\n", rc); |
| 1079 | return 0; |
| 1080 | } |
| 1081 | |
| 1082 | if (vin_min == 0) |
| 1083 | vin_min_mv = QPNP_CHG_I_MAX_MIN_100; |
David Keitel | 289fcf8 | 2013-10-24 11:33:00 -0700 | [diff] [blame] | 1084 | else if (vin_min >= QPNP_CHG_VINMIN_HIGH_MIN_VAL) |
David Keitel | 337bd86 | 2013-07-15 21:42:58 -0700 | [diff] [blame] | 1085 | vin_min_mv = QPNP_CHG_VINMIN_HIGH_MIN_MV + |
| 1086 | (vin_min - QPNP_CHG_VINMIN_HIGH_MIN_VAL) |
| 1087 | * QPNP_CHG_VINMIN_STEP_HIGH_MV; |
| 1088 | else |
| 1089 | vin_min_mv = QPNP_CHG_VINMIN_MIN_MV + |
| 1090 | (vin_min - QPNP_CHG_VINMIN_MIN_VAL) |
| 1091 | * QPNP_CHG_VINMIN_STEP_MV; |
| 1092 | pr_debug("vin_min= 0x%02x, ma = %d\n", vin_min, vin_min_mv); |
| 1093 | |
| 1094 | return vin_min_mv; |
| 1095 | } |
| 1096 | |
Prasad Sodagudi | c367801 | 2013-09-23 12:01:19 +0530 | [diff] [blame] | 1097 | #define QPNP_CHG_VBATWEAK_MIN_MV 2100 |
| 1098 | #define QPNP_CHG_VBATWEAK_MAX_MV 3600 |
| 1099 | #define QPNP_CHG_VBATWEAK_STEP_MV 100 |
| 1100 | static int |
| 1101 | qpnp_chg_vbatweak_set(struct qpnp_chg_chip *chip, int vbatweak_mv) |
| 1102 | { |
| 1103 | u8 temp; |
| 1104 | |
| 1105 | if (vbatweak_mv < QPNP_CHG_VBATWEAK_MIN_MV |
| 1106 | || vbatweak_mv > QPNP_CHG_VBATWEAK_MAX_MV) |
| 1107 | return -EINVAL; |
| 1108 | |
| 1109 | temp = (vbatweak_mv - QPNP_CHG_VBATWEAK_MIN_MV) |
| 1110 | / QPNP_CHG_VBATWEAK_STEP_MV; |
| 1111 | |
| 1112 | pr_debug("voltage=%d setting %02x\n", vbatweak_mv, temp); |
| 1113 | return qpnp_chg_write(chip, &temp, |
| 1114 | chip->chgr_base + CHGR_VBAT_WEAK, 1); |
| 1115 | } |
| 1116 | |
David Keitel | 337bd86 | 2013-07-15 21:42:58 -0700 | [diff] [blame] | 1117 | static int |
| 1118 | qpnp_chg_usb_iusbmax_get(struct qpnp_chg_chip *chip) |
| 1119 | { |
| 1120 | int rc, iusbmax_ma; |
| 1121 | u8 iusbmax; |
| 1122 | |
| 1123 | rc = qpnp_chg_read(chip, &iusbmax, |
| 1124 | chip->usb_chgpth_base + CHGR_I_MAX_REG, 1); |
| 1125 | if (rc) { |
| 1126 | pr_err("failed to read IUSB_MAX rc=%d\n", rc); |
| 1127 | return 0; |
| 1128 | } |
| 1129 | |
| 1130 | if (iusbmax == 0) |
| 1131 | iusbmax_ma = QPNP_CHG_I_MAX_MIN_100; |
| 1132 | else if (iusbmax == 0x01) |
| 1133 | iusbmax_ma = QPNP_CHG_I_MAX_MIN_150; |
| 1134 | else |
| 1135 | iusbmax_ma = iusbmax * QPNP_CHG_I_MAXSTEP_MA; |
| 1136 | |
| 1137 | pr_debug("iusbmax = 0x%02x, ma = %d\n", iusbmax, iusbmax_ma); |
| 1138 | |
| 1139 | return iusbmax_ma; |
| 1140 | } |
| 1141 | |
David Keitel | 975b535 | 2014-01-27 14:28:04 -0800 | [diff] [blame] | 1142 | #define ILIMIT_OVR_0 0x02 |
| 1143 | static int |
| 1144 | override_dcin_ilimit(struct qpnp_chg_chip *chip, bool override) |
| 1145 | { |
| 1146 | int rc; |
| 1147 | |
| 1148 | pr_debug("override %d\n", override); |
| 1149 | rc = qpnp_chg_masked_write(chip, |
| 1150 | chip->dc_chgpth_base + SEC_ACCESS, |
| 1151 | 0xA5, |
| 1152 | 0xA5, 1); |
| 1153 | rc |= qpnp_chg_masked_write(chip, |
| 1154 | chip->dc_chgpth_base + DC_COMP_OVR1, |
| 1155 | 0xFF, |
| 1156 | override ? ILIMIT_OVR_0 : 0, 1); |
| 1157 | if (rc) { |
| 1158 | pr_err("Failed to override dc ilimit rc = %d\n", rc); |
| 1159 | return rc; |
| 1160 | } |
| 1161 | |
| 1162 | return rc; |
| 1163 | } |
| 1164 | |
| 1165 | #define DUAL_PATH_EN BIT(7) |
| 1166 | static int |
| 1167 | switch_parallel_ovp_mode(struct qpnp_chg_chip *chip, bool enable) |
| 1168 | { |
| 1169 | int rc = 0; |
| 1170 | |
| 1171 | if (!chip->usb_chgpth_base || !chip->dc_chgpth_base) |
| 1172 | return rc; |
| 1173 | |
| 1174 | pr_debug("enable %d\n", enable); |
| 1175 | rc = override_dcin_ilimit(chip, 1); |
| 1176 | udelay(10); |
| 1177 | |
| 1178 | /* enable/disable dual path mode */ |
| 1179 | rc = qpnp_chg_masked_write(chip, |
| 1180 | chip->usb_chgpth_base + SEC_ACCESS, |
| 1181 | 0xA5, |
| 1182 | 0xA5, 1); |
| 1183 | rc |= qpnp_chg_masked_write(chip, |
| 1184 | chip->usb_chgpth_base + USB_SPARE, |
| 1185 | 0xFF, |
| 1186 | enable ? DUAL_PATH_EN : 0, 1); |
| 1187 | if (rc) { |
| 1188 | pr_err("Failed to turn on usb ovp rc = %d\n", rc); |
| 1189 | return rc; |
| 1190 | } |
| 1191 | |
David Keitel | bf2edba | 2014-03-05 10:49:32 -0800 | [diff] [blame] | 1192 | if (enable) |
| 1193 | rc = override_dcin_ilimit(chip, 0); |
David Keitel | 975b535 | 2014-01-27 14:28:04 -0800 | [diff] [blame] | 1194 | return rc; |
| 1195 | } |
| 1196 | |
David Keitel | d681cda | 2012-10-02 15:44:21 -0700 | [diff] [blame] | 1197 | #define USB_SUSPEND_BIT BIT(0) |
| 1198 | static int |
| 1199 | qpnp_chg_usb_suspend_enable(struct qpnp_chg_chip *chip, int enable) |
| 1200 | { |
David Keitel | 975b535 | 2014-01-27 14:28:04 -0800 | [diff] [blame] | 1201 | /* Turn off DC OVP FET when going into USB suspend */ |
| 1202 | if (chip->parallel_ovp_mode && enable) |
| 1203 | switch_parallel_ovp_mode(chip, 0); |
| 1204 | |
David Keitel | d681cda | 2012-10-02 15:44:21 -0700 | [diff] [blame] | 1205 | return qpnp_chg_masked_write(chip, |
| 1206 | chip->usb_chgpth_base + CHGR_USB_USB_SUSP, |
| 1207 | USB_SUSPEND_BIT, |
| 1208 | enable ? USB_SUSPEND_BIT : 0, 1); |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 1209 | } |
| 1210 | |
David Keitel | 344c697 | 2013-04-09 19:28:21 -0700 | [diff] [blame] | 1211 | static int |
| 1212 | qpnp_chg_charge_en(struct qpnp_chg_chip *chip, int enable) |
| 1213 | { |
Xiaozhe Shi | bc4f9ee | 2013-08-29 17:03:44 -0700 | [diff] [blame] | 1214 | if (chip->insertion_ocv_uv == 0 && enable) { |
| 1215 | pr_debug("Battery not present, skipping\n"); |
| 1216 | return 0; |
| 1217 | } |
| 1218 | pr_debug("charging %s\n", enable ? "enabled" : "disabled"); |
David Keitel | 344c697 | 2013-04-09 19:28:21 -0700 | [diff] [blame] | 1219 | return qpnp_chg_masked_write(chip, chip->chgr_base + CHGR_CHG_CTRL, |
| 1220 | CHGR_CHG_EN, |
| 1221 | enable ? CHGR_CHG_EN : 0, 1); |
| 1222 | } |
| 1223 | |
| 1224 | static int |
| 1225 | qpnp_chg_force_run_on_batt(struct qpnp_chg_chip *chip, int disable) |
| 1226 | { |
| 1227 | /* Don't run on battery for batteryless hardware */ |
| 1228 | if (chip->use_default_batt_values) |
| 1229 | return 0; |
David Keitel | 4d66ea0 | 2013-04-30 10:57:58 -0700 | [diff] [blame] | 1230 | /* Don't force on battery if battery is not present */ |
| 1231 | if (!qpnp_chg_is_batt_present(chip)) |
| 1232 | return 0; |
David Keitel | 344c697 | 2013-04-09 19:28:21 -0700 | [diff] [blame] | 1233 | |
| 1234 | /* This bit forces the charger to run off of the battery rather |
| 1235 | * than a connected charger */ |
| 1236 | return qpnp_chg_masked_write(chip, chip->chgr_base + CHGR_CHG_CTRL, |
| 1237 | CHGR_ON_BAT_FORCE_BIT, |
| 1238 | disable ? CHGR_ON_BAT_FORCE_BIT : 0, 1); |
| 1239 | } |
| 1240 | |
David Keitel | 8b68d2d | 2013-05-14 23:36:51 -0700 | [diff] [blame] | 1241 | #define BUCK_DUTY_MASK_100P 0x30 |
| 1242 | static int |
| 1243 | qpnp_buck_set_100_duty_cycle_enable(struct qpnp_chg_chip *chip, int enable) |
| 1244 | { |
| 1245 | int rc; |
| 1246 | |
| 1247 | pr_debug("enable: %d\n", enable); |
| 1248 | |
| 1249 | rc = qpnp_chg_masked_write(chip, |
| 1250 | chip->buck_base + SEC_ACCESS, 0xA5, 0xA5, 1); |
| 1251 | if (rc) { |
| 1252 | pr_debug("failed to write sec access rc=%d\n", rc); |
| 1253 | return rc; |
| 1254 | } |
| 1255 | |
| 1256 | rc = qpnp_chg_masked_write(chip, |
| 1257 | chip->buck_base + BUCK_TEST_SMBC_MODES, |
| 1258 | BUCK_DUTY_MASK_100P, enable ? 0x00 : 0x10, 1); |
| 1259 | if (rc) { |
| 1260 | pr_debug("failed enable 100p duty cycle rc=%d\n", rc); |
| 1261 | return rc; |
| 1262 | } |
| 1263 | |
| 1264 | return rc; |
| 1265 | } |
| 1266 | |
David Keitel | 9fd0738 | 2013-05-02 15:37:44 -0700 | [diff] [blame] | 1267 | #define COMPATATOR_OVERRIDE_0 0x80 |
| 1268 | static int |
| 1269 | qpnp_chg_toggle_chg_done_logic(struct qpnp_chg_chip *chip, int enable) |
| 1270 | { |
| 1271 | int rc; |
| 1272 | |
| 1273 | pr_debug("toggle: %d\n", enable); |
| 1274 | |
| 1275 | rc = qpnp_chg_masked_write(chip, |
| 1276 | chip->buck_base + SEC_ACCESS, 0xA5, 0xA5, 1); |
| 1277 | if (rc) { |
| 1278 | pr_debug("failed to write sec access rc=%d\n", rc); |
| 1279 | return rc; |
| 1280 | } |
| 1281 | |
| 1282 | rc = qpnp_chg_masked_write(chip, |
| 1283 | chip->buck_base + CHGR_BUCK_COMPARATOR_OVRIDE_1, |
| 1284 | 0xC0, enable ? 0x00 : COMPATATOR_OVERRIDE_0, 1); |
| 1285 | if (rc) { |
| 1286 | pr_debug("failed to toggle chg done override rc=%d\n", rc); |
| 1287 | return rc; |
| 1288 | } |
| 1289 | |
| 1290 | return rc; |
| 1291 | } |
| 1292 | |
| 1293 | #define QPNP_CHG_VBATDET_MIN_MV 3240 |
| 1294 | #define QPNP_CHG_VBATDET_MAX_MV 5780 |
| 1295 | #define QPNP_CHG_VBATDET_STEP_MV 20 |
| 1296 | static int |
| 1297 | qpnp_chg_vbatdet_set(struct qpnp_chg_chip *chip, int vbatdet_mv) |
| 1298 | { |
| 1299 | u8 temp; |
| 1300 | |
| 1301 | if (vbatdet_mv < QPNP_CHG_VBATDET_MIN_MV |
| 1302 | || vbatdet_mv > QPNP_CHG_VBATDET_MAX_MV) { |
| 1303 | pr_err("bad mV=%d asked to set\n", vbatdet_mv); |
| 1304 | return -EINVAL; |
| 1305 | } |
| 1306 | temp = (vbatdet_mv - QPNP_CHG_VBATDET_MIN_MV) |
| 1307 | / QPNP_CHG_VBATDET_STEP_MV; |
| 1308 | |
| 1309 | pr_debug("voltage=%d setting %02x\n", vbatdet_mv, temp); |
| 1310 | return qpnp_chg_write(chip, &temp, |
| 1311 | chip->chgr_base + CHGR_VBAT_DET, 1); |
| 1312 | } |
| 1313 | |
David Keitel | 344c697 | 2013-04-09 19:28:21 -0700 | [diff] [blame] | 1314 | static void |
Xiaozhe Shi | 7fc4e3c | 2013-06-06 13:52:29 -0700 | [diff] [blame] | 1315 | qpnp_chg_set_appropriate_vbatdet(struct qpnp_chg_chip *chip) |
| 1316 | { |
| 1317 | if (chip->bat_is_cool) |
| 1318 | qpnp_chg_vbatdet_set(chip, chip->cool_bat_mv |
| 1319 | - chip->resume_delta_mv); |
| 1320 | else if (chip->bat_is_warm) |
| 1321 | qpnp_chg_vbatdet_set(chip, chip->warm_bat_mv |
| 1322 | - chip->resume_delta_mv); |
| 1323 | else if (chip->resuming_charging) |
| 1324 | qpnp_chg_vbatdet_set(chip, chip->max_voltage_mv |
| 1325 | + chip->resume_delta_mv); |
| 1326 | else |
| 1327 | qpnp_chg_vbatdet_set(chip, chip->max_voltage_mv |
| 1328 | - chip->resume_delta_mv); |
| 1329 | } |
| 1330 | |
| 1331 | static void |
David Keitel | 344c697 | 2013-04-09 19:28:21 -0700 | [diff] [blame] | 1332 | qpnp_arb_stop_work(struct work_struct *work) |
| 1333 | { |
| 1334 | struct delayed_work *dwork = to_delayed_work(work); |
| 1335 | struct qpnp_chg_chip *chip = container_of(dwork, |
| 1336 | struct qpnp_chg_chip, arb_stop_work); |
| 1337 | |
David Keitel | 9fd0738 | 2013-05-02 15:37:44 -0700 | [diff] [blame] | 1338 | if (!chip->chg_done) |
| 1339 | qpnp_chg_charge_en(chip, !chip->charging_disabled); |
David Keitel | 344c697 | 2013-04-09 19:28:21 -0700 | [diff] [blame] | 1340 | qpnp_chg_force_run_on_batt(chip, chip->charging_disabled); |
| 1341 | } |
| 1342 | |
| 1343 | static void |
| 1344 | qpnp_bat_if_adc_measure_work(struct work_struct *work) |
David Keitel | 79f4c93 | 2013-04-03 16:08:39 -0700 | [diff] [blame] | 1345 | { |
| 1346 | struct qpnp_chg_chip *chip = container_of(work, |
| 1347 | struct qpnp_chg_chip, adc_measure_work); |
| 1348 | |
Siddartha Mohanadoss | 88a3fde | 2013-06-24 16:18:52 -0700 | [diff] [blame] | 1349 | if (qpnp_adc_tm_channel_measure(chip->adc_tm_dev, &chip->adc_param)) |
David Keitel | 79f4c93 | 2013-04-03 16:08:39 -0700 | [diff] [blame] | 1350 | pr_err("request ADC error\n"); |
| 1351 | } |
| 1352 | |
David Keitel | ecab15a | 2013-08-06 15:41:39 -0700 | [diff] [blame] | 1353 | static void |
| 1354 | qpnp_bat_if_adc_disable_work(struct work_struct *work) |
| 1355 | { |
| 1356 | struct qpnp_chg_chip *chip = container_of(work, |
| 1357 | struct qpnp_chg_chip, adc_disable_work); |
| 1358 | |
| 1359 | qpnp_adc_tm_disable_chan_meas(chip->adc_tm_dev, &chip->adc_param); |
| 1360 | } |
| 1361 | |
David Keitel | 9fd0738 | 2013-05-02 15:37:44 -0700 | [diff] [blame] | 1362 | #define EOC_CHECK_PERIOD_MS 10000 |
| 1363 | static irqreturn_t |
| 1364 | qpnp_chg_vbatdet_lo_irq_handler(int irq, void *_chip) |
| 1365 | { |
| 1366 | struct qpnp_chg_chip *chip = _chip; |
| 1367 | u8 chg_sts = 0; |
| 1368 | int rc; |
| 1369 | |
| 1370 | pr_debug("vbatdet-lo triggered\n"); |
| 1371 | |
| 1372 | rc = qpnp_chg_read(chip, &chg_sts, INT_RT_STS(chip->chgr_base), 1); |
| 1373 | if (rc) |
| 1374 | pr_err("failed to read chg_sts rc=%d\n", rc); |
| 1375 | |
| 1376 | pr_debug("chg_done chg_sts: 0x%x triggered\n", chg_sts); |
| 1377 | if (!chip->charging_disabled && (chg_sts & FAST_CHG_ON_IRQ)) { |
| 1378 | schedule_delayed_work(&chip->eoc_work, |
| 1379 | msecs_to_jiffies(EOC_CHECK_PERIOD_MS)); |
Abhijeet Dharmapurikar | 8a68b17 | 2013-08-12 13:55:58 -0700 | [diff] [blame] | 1380 | pm_stay_awake(chip->dev); |
David Keitel | 9fd0738 | 2013-05-02 15:37:44 -0700 | [diff] [blame] | 1381 | } |
Abhijeet Dharmapurikar | 8a68b17 | 2013-08-12 13:55:58 -0700 | [diff] [blame] | 1382 | qpnp_chg_disable_irq(&chip->chg_vbatdet_lo); |
David Keitel | 9fd0738 | 2013-05-02 15:37:44 -0700 | [diff] [blame] | 1383 | |
Abhijeet Dharmapurikar | ba936ec | 2013-08-12 13:45:50 -0700 | [diff] [blame] | 1384 | pr_debug("psy changed usb_psy\n"); |
David Keitel | 9fd0738 | 2013-05-02 15:37:44 -0700 | [diff] [blame] | 1385 | power_supply_changed(chip->usb_psy); |
Abhijeet Dharmapurikar | ba936ec | 2013-08-12 13:45:50 -0700 | [diff] [blame] | 1386 | if (chip->dc_chgpth_base) { |
| 1387 | pr_debug("psy changed dc_psy\n"); |
David Keitel | dbcef09 | 2013-05-14 14:48:30 -0700 | [diff] [blame] | 1388 | power_supply_changed(&chip->dc_psy); |
Abhijeet Dharmapurikar | ba936ec | 2013-08-12 13:45:50 -0700 | [diff] [blame] | 1389 | } |
| 1390 | if (chip->bat_if_base) { |
| 1391 | pr_debug("psy changed batt_psy\n"); |
David Keitel | dbcef09 | 2013-05-14 14:48:30 -0700 | [diff] [blame] | 1392 | power_supply_changed(&chip->batt_psy); |
Abhijeet Dharmapurikar | ba936ec | 2013-08-12 13:45:50 -0700 | [diff] [blame] | 1393 | } |
David Keitel | 9fd0738 | 2013-05-02 15:37:44 -0700 | [diff] [blame] | 1394 | return IRQ_HANDLED; |
| 1395 | } |
| 1396 | |
David Keitel | 344c697 | 2013-04-09 19:28:21 -0700 | [diff] [blame] | 1397 | #define ARB_STOP_WORK_MS 1000 |
| 1398 | static irqreturn_t |
| 1399 | qpnp_chg_usb_chg_gone_irq_handler(int irq, void *_chip) |
| 1400 | { |
| 1401 | struct qpnp_chg_chip *chip = _chip; |
David Keitel | 7e38f51 | 2013-11-19 11:15:11 -0800 | [diff] [blame] | 1402 | u8 usb_sts; |
| 1403 | int rc; |
| 1404 | |
| 1405 | rc = qpnp_chg_read(chip, &usb_sts, |
| 1406 | INT_RT_STS(chip->usb_chgpth_base), 1); |
| 1407 | if (rc) |
| 1408 | pr_err("failed to read usb_chgpth_sts rc=%d\n", rc); |
David Keitel | 344c697 | 2013-04-09 19:28:21 -0700 | [diff] [blame] | 1409 | |
| 1410 | pr_debug("chg_gone triggered\n"); |
David Keitel | d53183a | 2014-01-07 17:17:44 -0800 | [diff] [blame] | 1411 | if ((qpnp_chg_is_usb_chg_plugged_in(chip) |
| 1412 | || qpnp_chg_is_dc_chg_plugged_in(chip)) |
| 1413 | && (usb_sts & CHG_GONE_IRQ)) { |
David Keitel | cd2e102 | 2014-05-02 17:25:15 -0700 | [diff] [blame] | 1414 | if (ext_ovp_isns_present) { |
| 1415 | pr_debug("EXT OVP IC ISNS disabled due to ARB WA\n"); |
| 1416 | gpio_direction_output(chip->ext_ovp_isns_gpio, 0); |
| 1417 | } |
| 1418 | |
David Keitel | 344c697 | 2013-04-09 19:28:21 -0700 | [diff] [blame] | 1419 | qpnp_chg_charge_en(chip, 0); |
David Keitel | cd2e102 | 2014-05-02 17:25:15 -0700 | [diff] [blame] | 1420 | |
David Keitel | 9fd0738 | 2013-05-02 15:37:44 -0700 | [diff] [blame] | 1421 | qpnp_chg_force_run_on_batt(chip, 1); |
David Keitel | 344c697 | 2013-04-09 19:28:21 -0700 | [diff] [blame] | 1422 | schedule_delayed_work(&chip->arb_stop_work, |
| 1423 | msecs_to_jiffies(ARB_STOP_WORK_MS)); |
| 1424 | } |
| 1425 | |
| 1426 | return IRQ_HANDLED; |
| 1427 | } |
| 1428 | |
David Keitel | 0b62bdd | 2013-07-10 17:30:51 -0700 | [diff] [blame] | 1429 | static irqreturn_t |
| 1430 | qpnp_chg_usb_usb_ocp_irq_handler(int irq, void *_chip) |
| 1431 | { |
| 1432 | struct qpnp_chg_chip *chip = _chip; |
David Keitel | 0b62bdd | 2013-07-10 17:30:51 -0700 | [diff] [blame] | 1433 | |
| 1434 | pr_debug("usb-ocp triggered\n"); |
| 1435 | |
David Keitel | 8b9bd31 | 2014-01-15 14:44:00 -0800 | [diff] [blame] | 1436 | schedule_work(&chip->ocp_clear_work); |
| 1437 | |
| 1438 | return IRQ_HANDLED; |
| 1439 | } |
| 1440 | |
| 1441 | #define BOOST_ILIMIT_MIN 0x07 |
| 1442 | #define BOOST_ILIMIT_DEF 0x02 |
| 1443 | #define BOOST_ILIMT_MASK 0xFF |
| 1444 | static void |
| 1445 | qpnp_chg_ocp_clear_work(struct work_struct *work) |
| 1446 | { |
| 1447 | int rc; |
| 1448 | u8 usb_sts; |
| 1449 | struct qpnp_chg_chip *chip = container_of(work, |
| 1450 | struct qpnp_chg_chip, ocp_clear_work); |
| 1451 | |
| 1452 | if (chip->type == SMBBP) { |
| 1453 | rc = qpnp_chg_masked_write(chip, |
| 1454 | chip->boost_base + BOOST_ILIM, |
| 1455 | BOOST_ILIMT_MASK, |
| 1456 | BOOST_ILIMIT_MIN, 1); |
| 1457 | if (rc) { |
| 1458 | pr_err("Failed to turn configure ilim rc = %d\n", rc); |
| 1459 | return; |
| 1460 | } |
| 1461 | } |
| 1462 | |
David Keitel | 0b62bdd | 2013-07-10 17:30:51 -0700 | [diff] [blame] | 1463 | rc = qpnp_chg_masked_write(chip, |
| 1464 | chip->usb_chgpth_base + USB_OCP_CLR, |
| 1465 | OCP_CLR_BIT, |
| 1466 | OCP_CLR_BIT, 1); |
| 1467 | if (rc) |
| 1468 | pr_err("Failed to clear OCP bit rc = %d\n", rc); |
| 1469 | |
| 1470 | /* force usb ovp fet off */ |
| 1471 | rc = qpnp_chg_masked_write(chip, |
| 1472 | chip->usb_chgpth_base + CHGR_USB_USB_OTG_CTL, |
| 1473 | USB_OTG_EN_BIT, |
| 1474 | USB_OTG_EN_BIT, 1); |
| 1475 | if (rc) |
| 1476 | pr_err("Failed to turn off usb ovp rc = %d\n", rc); |
| 1477 | |
David Keitel | 8b9bd31 | 2014-01-15 14:44:00 -0800 | [diff] [blame] | 1478 | if (chip->type == SMBBP) { |
| 1479 | /* Wait for OCP circuitry to be powered up */ |
| 1480 | msleep(100); |
| 1481 | rc = qpnp_chg_read(chip, &usb_sts, |
| 1482 | INT_RT_STS(chip->usb_chgpth_base), 1); |
| 1483 | if (rc) { |
| 1484 | pr_err("failed to read interrupt sts %d\n", rc); |
| 1485 | return; |
| 1486 | } |
| 1487 | |
| 1488 | if (usb_sts & COARSE_DET_USB_IRQ) { |
| 1489 | rc = qpnp_chg_masked_write(chip, |
| 1490 | chip->boost_base + BOOST_ILIM, |
| 1491 | BOOST_ILIMT_MASK, |
| 1492 | BOOST_ILIMIT_DEF, 1); |
| 1493 | if (rc) { |
| 1494 | pr_err("Failed to set ilim rc = %d\n", rc); |
| 1495 | return; |
| 1496 | } |
| 1497 | } else { |
| 1498 | pr_warn_ratelimited("USB short to GND detected!\n"); |
| 1499 | } |
| 1500 | } |
David Keitel | 0b62bdd | 2013-07-10 17:30:51 -0700 | [diff] [blame] | 1501 | } |
| 1502 | |
Xiaozhe Shi | 20b7abf | 2013-08-15 13:36:55 -0700 | [diff] [blame] | 1503 | #define QPNP_CHG_VDDMAX_MIN 3400 |
| 1504 | #define QPNP_CHG_V_MIN_MV 3240 |
| 1505 | #define QPNP_CHG_V_MAX_MV 4500 |
| 1506 | #define QPNP_CHG_V_STEP_MV 10 |
| 1507 | #define QPNP_CHG_BUCK_TRIM1_STEP 10 |
| 1508 | #define QPNP_CHG_BUCK_VDD_TRIM_MASK 0xF0 |
| 1509 | static int |
| 1510 | qpnp_chg_vddmax_and_trim_set(struct qpnp_chg_chip *chip, |
| 1511 | int voltage, int trim_mv) |
| 1512 | { |
| 1513 | int rc, trim_set; |
| 1514 | u8 vddmax = 0, trim = 0; |
| 1515 | |
| 1516 | if (voltage < QPNP_CHG_VDDMAX_MIN |
| 1517 | || voltage > QPNP_CHG_V_MAX_MV) { |
| 1518 | pr_err("bad mV=%d asked to set\n", voltage); |
| 1519 | return -EINVAL; |
| 1520 | } |
| 1521 | |
| 1522 | vddmax = (voltage - QPNP_CHG_V_MIN_MV) / QPNP_CHG_V_STEP_MV; |
| 1523 | rc = qpnp_chg_write(chip, &vddmax, chip->chgr_base + CHGR_VDD_MAX, 1); |
| 1524 | if (rc) { |
| 1525 | pr_err("Failed to write vddmax: %d\n", rc); |
| 1526 | return rc; |
| 1527 | } |
| 1528 | |
| 1529 | rc = qpnp_chg_masked_write(chip, |
| 1530 | chip->buck_base + SEC_ACCESS, |
| 1531 | 0xFF, |
| 1532 | 0xA5, 1); |
| 1533 | if (rc) { |
| 1534 | pr_err("failed to write SEC_ACCESS rc=%d\n", rc); |
| 1535 | return rc; |
| 1536 | } |
| 1537 | trim_set = clamp((int)chip->trim_center |
| 1538 | + (trim_mv / QPNP_CHG_BUCK_TRIM1_STEP), |
| 1539 | 0, 0xF); |
| 1540 | trim = (u8)trim_set << 4; |
| 1541 | rc = qpnp_chg_masked_write(chip, |
| 1542 | chip->buck_base + BUCK_CTRL_TRIM1, |
| 1543 | QPNP_CHG_BUCK_VDD_TRIM_MASK, |
| 1544 | trim, 1); |
| 1545 | if (rc) { |
| 1546 | pr_err("Failed to write buck trim1: %d\n", rc); |
| 1547 | return rc; |
| 1548 | } |
| 1549 | pr_debug("voltage=%d+%d setting vddmax: %02x, trim: %02x\n", |
| 1550 | voltage, trim_mv, vddmax, trim); |
| 1551 | return 0; |
| 1552 | } |
| 1553 | |
Xiaozhe Shi | e850448 | 2013-10-30 18:10:31 -0700 | [diff] [blame] | 1554 | static int |
| 1555 | qpnp_chg_vddmax_get(struct qpnp_chg_chip *chip) |
| 1556 | { |
| 1557 | int rc; |
| 1558 | u8 vddmax = 0; |
| 1559 | |
| 1560 | rc = qpnp_chg_read(chip, &vddmax, chip->chgr_base + CHGR_VDD_MAX, 1); |
| 1561 | if (rc) { |
| 1562 | pr_err("Failed to write vddmax: %d\n", rc); |
| 1563 | return rc; |
| 1564 | } |
| 1565 | |
| 1566 | return QPNP_CHG_V_MIN_MV + (int)vddmax * QPNP_CHG_V_STEP_MV; |
| 1567 | } |
| 1568 | |
Xiaozhe Shi | 20b7abf | 2013-08-15 13:36:55 -0700 | [diff] [blame] | 1569 | /* JEITA compliance logic */ |
| 1570 | static void |
| 1571 | qpnp_chg_set_appropriate_vddmax(struct qpnp_chg_chip *chip) |
| 1572 | { |
| 1573 | if (chip->bat_is_cool) |
| 1574 | qpnp_chg_vddmax_and_trim_set(chip, chip->cool_bat_mv, |
| 1575 | chip->delta_vddmax_mv); |
| 1576 | else if (chip->bat_is_warm) |
| 1577 | qpnp_chg_vddmax_and_trim_set(chip, chip->warm_bat_mv, |
| 1578 | chip->delta_vddmax_mv); |
| 1579 | else |
| 1580 | qpnp_chg_vddmax_and_trim_set(chip, chip->max_voltage_mv, |
| 1581 | chip->delta_vddmax_mv); |
| 1582 | } |
| 1583 | |
Wu Fenglin | 04ae6de | 2013-09-09 19:15:06 +0800 | [diff] [blame] | 1584 | static void |
| 1585 | qpnp_usbin_health_check_work(struct work_struct *work) |
| 1586 | { |
| 1587 | int usbin_health = 0; |
| 1588 | u8 psy_health_sts = 0; |
| 1589 | struct delayed_work *dwork = to_delayed_work(work); |
| 1590 | struct qpnp_chg_chip *chip = container_of(dwork, |
| 1591 | struct qpnp_chg_chip, usbin_health_check); |
| 1592 | |
| 1593 | usbin_health = qpnp_chg_check_usbin_health(chip); |
| 1594 | spin_lock(&chip->usbin_health_monitor_lock); |
| 1595 | if (chip->usbin_health != usbin_health) { |
| 1596 | pr_debug("health_check_work: pr_usbin_health = %d, usbin_health = %d", |
| 1597 | chip->usbin_health, usbin_health); |
| 1598 | chip->usbin_health = usbin_health; |
| 1599 | if (usbin_health == USBIN_OVP) |
| 1600 | psy_health_sts = POWER_SUPPLY_HEALTH_OVERVOLTAGE; |
| 1601 | else if (usbin_health == USBIN_OK) |
| 1602 | psy_health_sts = POWER_SUPPLY_HEALTH_GOOD; |
| 1603 | power_supply_set_health_state(chip->usb_psy, psy_health_sts); |
| 1604 | power_supply_changed(chip->usb_psy); |
| 1605 | } |
| 1606 | /* enable OVP monitor in usb valid after coarse-det complete */ |
| 1607 | chip->usb_valid_check_ovp = true; |
| 1608 | spin_unlock(&chip->usbin_health_monitor_lock); |
| 1609 | return; |
| 1610 | } |
| 1611 | |
| 1612 | #define USB_VALID_DEBOUNCE_TIME_MASK 0x3 |
| 1613 | #define USB_DEB_BYPASS 0x0 |
| 1614 | #define USB_DEB_5MS 0x1 |
| 1615 | #define USB_DEB_10MS 0x2 |
| 1616 | #define USB_DEB_20MS 0x3 |
| 1617 | static irqreturn_t |
| 1618 | qpnp_chg_coarse_det_usb_irq_handler(int irq, void *_chip) |
| 1619 | { |
| 1620 | struct qpnp_chg_chip *chip = _chip; |
| 1621 | int host_mode, rc = 0; |
| 1622 | int debounce[] = { |
| 1623 | [USB_DEB_BYPASS] = 0, |
| 1624 | [USB_DEB_5MS] = 5, |
| 1625 | [USB_DEB_10MS] = 10, |
| 1626 | [USB_DEB_20MS] = 20 }; |
| 1627 | u8 ovp_ctl; |
| 1628 | bool usb_coarse_det; |
| 1629 | |
| 1630 | host_mode = qpnp_chg_is_otg_en_set(chip); |
| 1631 | usb_coarse_det = qpnp_chg_check_usb_coarse_det(chip); |
| 1632 | pr_debug("usb coarse-det triggered: %d host_mode: %d\n", |
| 1633 | usb_coarse_det, host_mode); |
| 1634 | |
| 1635 | if (host_mode) |
| 1636 | return IRQ_HANDLED; |
| 1637 | /* ignore to monitor OVP in usbin valid irq handler |
| 1638 | if the coarse-det fired first, do the OVP state monitor |
| 1639 | in the usbin_health_check work, and after the work, |
| 1640 | enable monitor OVP in usbin valid irq handler */ |
| 1641 | chip->usb_valid_check_ovp = false; |
| 1642 | if (chip->usb_coarse_det ^ usb_coarse_det) { |
| 1643 | chip->usb_coarse_det = usb_coarse_det; |
| 1644 | if (usb_coarse_det) { |
| 1645 | /* usb coarse-det rising edge, check the usbin_valid |
| 1646 | debounce time setting, and start a delay work to |
| 1647 | check the OVP status*/ |
| 1648 | rc = qpnp_chg_read(chip, &ovp_ctl, |
| 1649 | chip->usb_chgpth_base + USB_OVP_CTL, 1); |
| 1650 | |
| 1651 | if (rc) { |
| 1652 | pr_err("spmi read failed: addr=%03X, rc=%d\n", |
| 1653 | chip->usb_chgpth_base + USB_OVP_CTL, |
| 1654 | rc); |
| 1655 | return rc; |
| 1656 | } |
| 1657 | ovp_ctl = ovp_ctl & USB_VALID_DEBOUNCE_TIME_MASK; |
| 1658 | schedule_delayed_work(&chip->usbin_health_check, |
| 1659 | msecs_to_jiffies(debounce[ovp_ctl])); |
| 1660 | } else { |
| 1661 | /* usb coarse-det rising edge, set the usb psy health |
| 1662 | status to unknown */ |
| 1663 | pr_debug("usb coarse det clear, set usb health to unknown\n"); |
| 1664 | chip->usbin_health = USBIN_UNKNOW; |
| 1665 | power_supply_set_health_state(chip->usb_psy, |
| 1666 | POWER_SUPPLY_HEALTH_UNKNOWN); |
| 1667 | power_supply_changed(chip->usb_psy); |
| 1668 | } |
| 1669 | |
| 1670 | } |
| 1671 | return IRQ_HANDLED; |
| 1672 | } |
| 1673 | |
David Keitel | 6e63bd5 | 2013-09-06 18:00:03 -0700 | [diff] [blame] | 1674 | #define BATFET_LPM_MASK 0xC0 |
| 1675 | #define BATFET_LPM 0x40 |
| 1676 | #define BATFET_NO_LPM 0x00 |
| 1677 | static int |
| 1678 | qpnp_chg_regulator_batfet_set(struct qpnp_chg_chip *chip, bool enable) |
| 1679 | { |
| 1680 | int rc = 0; |
| 1681 | |
David Keitel | cadbc28 | 2013-09-26 11:39:14 -0700 | [diff] [blame] | 1682 | if (chip->charging_disabled || !chip->bat_if_base) |
| 1683 | return rc; |
| 1684 | |
David Keitel | 6e63bd5 | 2013-09-06 18:00:03 -0700 | [diff] [blame] | 1685 | if (chip->type == SMBB) |
| 1686 | rc = qpnp_chg_masked_write(chip, |
| 1687 | chip->bat_if_base + CHGR_BAT_IF_SPARE, |
| 1688 | BATFET_LPM_MASK, |
| 1689 | enable ? BATFET_NO_LPM : BATFET_LPM, 1); |
| 1690 | else |
| 1691 | rc = qpnp_chg_masked_write(chip, |
| 1692 | chip->bat_if_base + CHGR_BAT_IF_BATFET_CTRL4, |
| 1693 | BATFET_LPM_MASK, |
| 1694 | enable ? BATFET_NO_LPM : BATFET_LPM, 1); |
| 1695 | |
| 1696 | return rc; |
| 1697 | } |
| 1698 | |
David Keitel | 820a90d | 2014-03-25 18:18:04 -0700 | [diff] [blame] | 1699 | #define USB_WALL_THRESHOLD_MA 500 |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 1700 | #define ENUM_T_STOP_BIT BIT(0) |
David Keitel | 820a90d | 2014-03-25 18:18:04 -0700 | [diff] [blame] | 1701 | #define USB_5V_UV 5000000 |
| 1702 | #define USB_9V_UV 9000000 |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 1703 | static irqreturn_t |
| 1704 | qpnp_chg_usb_usbin_valid_irq_handler(int irq, void *_chip) |
| 1705 | { |
| 1706 | struct qpnp_chg_chip *chip = _chip; |
Wu Fenglin | 04ae6de | 2013-09-09 19:15:06 +0800 | [diff] [blame] | 1707 | int usb_present, host_mode, usbin_health; |
| 1708 | u8 psy_health_sts; |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 1709 | |
| 1710 | usb_present = qpnp_chg_is_usb_chg_plugged_in(chip); |
David Keitel | 6f865cd | 2012-11-30 15:04:32 -0800 | [diff] [blame] | 1711 | host_mode = qpnp_chg_is_otg_en_set(chip); |
| 1712 | pr_debug("usbin-valid triggered: %d host_mode: %d\n", |
| 1713 | usb_present, host_mode); |
| 1714 | |
| 1715 | /* In host mode notifications cmoe from USB supply */ |
| 1716 | if (host_mode) |
| 1717 | return IRQ_HANDLED; |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 1718 | |
| 1719 | if (chip->usb_present ^ usb_present) { |
Abhijeet Dharmapurikar | 02e5956 | 2014-08-12 19:31:31 -0700 | [diff] [blame] | 1720 | chip->aicl_settled = false; |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 1721 | chip->usb_present = usb_present; |
David Keitel | 9fd0738 | 2013-05-02 15:37:44 -0700 | [diff] [blame] | 1722 | if (!usb_present) { |
Wu Fenglin | 04ae6de | 2013-09-09 19:15:06 +0800 | [diff] [blame] | 1723 | /* when a valid charger inserted, and increase the |
| 1724 | * charger voltage to OVP threshold, then |
| 1725 | * usb_in_valid falling edge interrupt triggers. |
| 1726 | * So we handle the OVP monitor here, and ignore |
| 1727 | * other health state changes */ |
| 1728 | if (chip->ovp_monitor_enable && |
| 1729 | (chip->usb_valid_check_ovp)) { |
| 1730 | usbin_health = |
| 1731 | qpnp_chg_check_usbin_health(chip); |
Wu Fenglin | 15c907c | 2013-10-18 18:08:33 +0800 | [diff] [blame] | 1732 | if ((chip->usbin_health != usbin_health) |
| 1733 | && (usbin_health == USBIN_OVP)) { |
Wu Fenglin | 04ae6de | 2013-09-09 19:15:06 +0800 | [diff] [blame] | 1734 | chip->usbin_health = usbin_health; |
Wu Fenglin | 15c907c | 2013-10-18 18:08:33 +0800 | [diff] [blame] | 1735 | psy_health_sts = |
Wu Fenglin | 04ae6de | 2013-09-09 19:15:06 +0800 | [diff] [blame] | 1736 | POWER_SUPPLY_HEALTH_OVERVOLTAGE; |
| 1737 | power_supply_set_health_state( |
| 1738 | chip->usb_psy, |
| 1739 | psy_health_sts); |
| 1740 | power_supply_changed(chip->usb_psy); |
| 1741 | } |
| 1742 | } |
Xiaozhe Shi | 9e887be | 2014-05-21 15:18:58 -0700 | [diff] [blame] | 1743 | if (!qpnp_chg_is_dc_chg_plugged_in(chip)) |
David Keitel | 6e63bd5 | 2013-09-06 18:00:03 -0700 | [diff] [blame] | 1744 | chip->chg_done = false; |
David Keitel | 820a90d | 2014-03-25 18:18:04 -0700 | [diff] [blame] | 1745 | |
| 1746 | if (!qpnp_is_dc_higher_prio(chip)) |
| 1747 | qpnp_chg_idcmax_set(chip, chip->maxinput_dc_ma); |
| 1748 | |
David Keitel | a918560 | 2013-11-12 17:55:48 -0800 | [diff] [blame] | 1749 | qpnp_chg_usb_suspend_enable(chip, 0); |
David Keitel | 7b056848 | 2013-12-02 14:47:42 -0800 | [diff] [blame] | 1750 | qpnp_chg_iusbmax_set(chip, QPNP_CHG_I_MAX_MIN_100); |
David Keitel | cd2e102 | 2014-05-02 17:25:15 -0700 | [diff] [blame] | 1751 | qpnp_chg_iusb_trim_set(chip, chip->usb_trim_default); |
David Keitel | fd305ee | 2013-07-19 20:19:06 -0700 | [diff] [blame] | 1752 | chip->prev_usb_max_ma = -EINVAL; |
David Keitel | 9fd0738 | 2013-05-02 15:37:44 -0700 | [diff] [blame] | 1753 | } else { |
Wu Fenglin | 04ae6de | 2013-09-09 19:15:06 +0800 | [diff] [blame] | 1754 | /* when OVP clamped usbin, and then decrease |
| 1755 | * the charger voltage to lower than the OVP |
| 1756 | * threshold, a usbin_valid rising edge |
| 1757 | * interrupt triggered. So we change the usb |
| 1758 | * psy health state back to good */ |
| 1759 | if (chip->ovp_monitor_enable && |
| 1760 | (chip->usb_valid_check_ovp)) { |
| 1761 | usbin_health = |
| 1762 | qpnp_chg_check_usbin_health(chip); |
Wu Fenglin | 15c907c | 2013-10-18 18:08:33 +0800 | [diff] [blame] | 1763 | if ((chip->usbin_health != usbin_health) |
| 1764 | && (usbin_health == USBIN_OK)) { |
Wu Fenglin | 04ae6de | 2013-09-09 19:15:06 +0800 | [diff] [blame] | 1765 | chip->usbin_health = usbin_health; |
Wu Fenglin | 15c907c | 2013-10-18 18:08:33 +0800 | [diff] [blame] | 1766 | psy_health_sts = |
Wu Fenglin | 04ae6de | 2013-09-09 19:15:06 +0800 | [diff] [blame] | 1767 | POWER_SUPPLY_HEALTH_GOOD; |
| 1768 | power_supply_set_health_state( |
| 1769 | chip->usb_psy, |
| 1770 | psy_health_sts); |
| 1771 | power_supply_changed(chip->usb_psy); |
| 1772 | } |
| 1773 | } |
| 1774 | |
David Keitel | 9fd0738 | 2013-05-02 15:37:44 -0700 | [diff] [blame] | 1775 | schedule_delayed_work(&chip->eoc_work, |
| 1776 | msecs_to_jiffies(EOC_CHECK_PERIOD_MS)); |
Xiaozhe Shi | 8fbbadc | 2013-07-31 10:59:09 -0700 | [diff] [blame] | 1777 | schedule_work(&chip->soc_check_work); |
David Keitel | 9fd0738 | 2013-05-02 15:37:44 -0700 | [diff] [blame] | 1778 | } |
David Keitel | 344c697 | 2013-04-09 19:28:21 -0700 | [diff] [blame] | 1779 | |
David Keitel | 9fd0738 | 2013-05-02 15:37:44 -0700 | [diff] [blame] | 1780 | power_supply_set_present(chip->usb_psy, chip->usb_present); |
David Keitel | 6e63bd5 | 2013-09-06 18:00:03 -0700 | [diff] [blame] | 1781 | schedule_work(&chip->batfet_lcl_work); |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 1782 | } |
| 1783 | |
| 1784 | return IRQ_HANDLED; |
| 1785 | } |
| 1786 | |
Fenglin Wu | c64e994 | 2014-08-22 13:47:34 +0800 | [diff] [blame] | 1787 | #define BUCK_VIN_LOOP_CMP_OVRD_MASK 0x30 |
| 1788 | static int |
| 1789 | qpnp_chg_bypass_vchg_loop_debouncer(struct qpnp_chg_chip *chip, bool bypass) |
| 1790 | { |
| 1791 | int rc; |
| 1792 | u8 value = bypass ? 0x10 : 0; |
| 1793 | |
| 1794 | pr_debug("bypass vchg_loop debouncer: %d\n", bypass); |
| 1795 | |
| 1796 | rc = qpnp_chg_masked_write(chip, chip->buck_base + SEC_ACCESS, |
| 1797 | 0xFF, 0xA5, 1); |
| 1798 | if (rc) { |
| 1799 | pr_err("failed to write SEC_ACCESS register, rc = %d\n", rc); |
| 1800 | return rc; |
| 1801 | } |
| 1802 | |
| 1803 | rc = qpnp_chg_masked_write(chip, |
| 1804 | chip->buck_base + CHGR_BUCK_COMPARATOR_OVRIDE_2, |
| 1805 | BUCK_VIN_LOOP_CMP_OVRD_MASK, value, 1); |
| 1806 | if (rc) |
| 1807 | pr_err("failed to write BUCK_COMP_OVRIDE_2, rc = %d\n", rc); |
| 1808 | |
| 1809 | return rc; |
| 1810 | } |
| 1811 | |
| 1812 | static int |
| 1813 | qpnp_chg_vchg_loop_debouncer_setting_get(struct qpnp_chg_chip *chip) |
| 1814 | { |
| 1815 | int rc; |
| 1816 | u8 value; |
| 1817 | |
| 1818 | rc = qpnp_chg_read(chip, &value, |
| 1819 | chip->buck_base + CHGR_BUCK_COMPARATOR_OVRIDE_2, 1); |
| 1820 | if (rc) { |
| 1821 | pr_err("failed to read BUCK_CMP_OVERIDE_2, rc = %d\n", rc); |
| 1822 | return 0; |
| 1823 | } |
| 1824 | |
| 1825 | return value & BUCK_VIN_LOOP_CMP_OVRD_MASK; |
| 1826 | } |
| 1827 | |
Xiaozhe Shi | 6c72665 | 2014-01-03 15:45:14 -0800 | [diff] [blame] | 1828 | #define TEST_EN_SMBC_LOOP 0xE5 |
| 1829 | #define IBAT_REGULATION_DISABLE BIT(2) |
David Keitel | 7450dcd | 2013-01-29 18:41:41 -0800 | [diff] [blame] | 1830 | static irqreturn_t |
Abhijeet Dharmapurikar | 84b13dd | 2013-07-08 18:43:56 -0700 | [diff] [blame] | 1831 | qpnp_chg_bat_if_batt_temp_irq_handler(int irq, void *_chip) |
| 1832 | { |
| 1833 | struct qpnp_chg_chip *chip = _chip; |
Xiaozhe Shi | 8783186 | 2014-01-20 17:44:40 -0800 | [diff] [blame] | 1834 | int batt_temp_good, batt_present, rc; |
Abhijeet Dharmapurikar | 84b13dd | 2013-07-08 18:43:56 -0700 | [diff] [blame] | 1835 | |
| 1836 | batt_temp_good = qpnp_chg_is_batt_temp_ok(chip); |
| 1837 | pr_debug("batt-temp triggered: %d\n", batt_temp_good); |
| 1838 | |
Xiaozhe Shi | 8783186 | 2014-01-20 17:44:40 -0800 | [diff] [blame] | 1839 | batt_present = qpnp_chg_is_batt_present(chip); |
| 1840 | if (batt_present) { |
| 1841 | rc = qpnp_chg_masked_write(chip, |
| 1842 | chip->buck_base + SEC_ACCESS, |
| 1843 | 0xFF, |
| 1844 | 0xA5, 1); |
| 1845 | if (rc) { |
| 1846 | pr_err("failed to write SEC_ACCESS rc=%d\n", rc); |
| 1847 | return rc; |
| 1848 | } |
Xiaozhe Shi | 6c72665 | 2014-01-03 15:45:14 -0800 | [diff] [blame] | 1849 | |
Xiaozhe Shi | 8783186 | 2014-01-20 17:44:40 -0800 | [diff] [blame] | 1850 | rc = qpnp_chg_masked_write(chip, |
| 1851 | chip->buck_base + TEST_EN_SMBC_LOOP, |
| 1852 | IBAT_REGULATION_DISABLE, |
| 1853 | batt_temp_good ? 0 : IBAT_REGULATION_DISABLE, 1); |
| 1854 | if (rc) { |
| 1855 | pr_err("failed to write COMP_OVR1 rc=%d\n", rc); |
| 1856 | return rc; |
| 1857 | } |
Xiaozhe Shi | 6c72665 | 2014-01-03 15:45:14 -0800 | [diff] [blame] | 1858 | } |
| 1859 | |
Abhijeet Dharmapurikar | ba936ec | 2013-08-12 13:45:50 -0700 | [diff] [blame] | 1860 | pr_debug("psy changed batt_psy\n"); |
Abhijeet Dharmapurikar | 84b13dd | 2013-07-08 18:43:56 -0700 | [diff] [blame] | 1861 | power_supply_changed(&chip->batt_psy); |
| 1862 | return IRQ_HANDLED; |
| 1863 | } |
| 1864 | |
| 1865 | static irqreturn_t |
David Keitel | 42ae0aa | 2013-03-08 16:20:10 -0800 | [diff] [blame] | 1866 | qpnp_chg_bat_if_batt_pres_irq_handler(int irq, void *_chip) |
| 1867 | { |
| 1868 | struct qpnp_chg_chip *chip = _chip; |
Xiaozhe Shi | 8783186 | 2014-01-20 17:44:40 -0800 | [diff] [blame] | 1869 | int batt_present, batt_temp_good, rc; |
David Keitel | 42ae0aa | 2013-03-08 16:20:10 -0800 | [diff] [blame] | 1870 | |
| 1871 | batt_present = qpnp_chg_is_batt_present(chip); |
| 1872 | pr_debug("batt-pres triggered: %d\n", batt_present); |
| 1873 | |
| 1874 | if (chip->batt_present ^ batt_present) { |
Xiaozhe Shi | bc4f9ee | 2013-08-29 17:03:44 -0700 | [diff] [blame] | 1875 | if (batt_present) { |
Xiaozhe Shi | 8783186 | 2014-01-20 17:44:40 -0800 | [diff] [blame] | 1876 | batt_temp_good = qpnp_chg_is_batt_temp_ok(chip); |
| 1877 | rc = qpnp_chg_masked_write(chip, |
| 1878 | chip->buck_base + SEC_ACCESS, |
| 1879 | 0xFF, |
| 1880 | 0xA5, 1); |
| 1881 | if (rc) { |
| 1882 | pr_err("failed to write SEC_ACCESS: %d\n", rc); |
| 1883 | return rc; |
| 1884 | } |
| 1885 | |
| 1886 | rc = qpnp_chg_masked_write(chip, |
| 1887 | chip->buck_base + TEST_EN_SMBC_LOOP, |
| 1888 | IBAT_REGULATION_DISABLE, |
| 1889 | batt_temp_good |
| 1890 | ? 0 : IBAT_REGULATION_DISABLE, 1); |
| 1891 | if (rc) { |
| 1892 | pr_err("failed to write COMP_OVR1 rc=%d\n", rc); |
| 1893 | return rc; |
| 1894 | } |
Xiaozhe Shi | bc4f9ee | 2013-08-29 17:03:44 -0700 | [diff] [blame] | 1895 | schedule_work(&chip->insertion_ocv_work); |
| 1896 | } else { |
Xiaozhe Shi | 8783186 | 2014-01-20 17:44:40 -0800 | [diff] [blame] | 1897 | rc = qpnp_chg_masked_write(chip, |
| 1898 | chip->buck_base + SEC_ACCESS, |
| 1899 | 0xFF, |
| 1900 | 0xA5, 1); |
| 1901 | if (rc) { |
| 1902 | pr_err("failed to write SEC_ACCESS: %d\n", rc); |
| 1903 | return rc; |
| 1904 | } |
| 1905 | |
| 1906 | rc = qpnp_chg_masked_write(chip, |
| 1907 | chip->buck_base + TEST_EN_SMBC_LOOP, |
| 1908 | IBAT_REGULATION_DISABLE, |
| 1909 | 0, 1); |
| 1910 | if (rc) { |
| 1911 | pr_err("failed to write COMP_OVR1 rc=%d\n", rc); |
| 1912 | return rc; |
| 1913 | } |
Xiaozhe Shi | bc4f9ee | 2013-08-29 17:03:44 -0700 | [diff] [blame] | 1914 | chip->insertion_ocv_uv = 0; |
| 1915 | qpnp_chg_charge_en(chip, 0); |
| 1916 | } |
David Keitel | 42ae0aa | 2013-03-08 16:20:10 -0800 | [diff] [blame] | 1917 | chip->batt_present = batt_present; |
Abhijeet Dharmapurikar | ba936ec | 2013-08-12 13:45:50 -0700 | [diff] [blame] | 1918 | pr_debug("psy changed batt_psy\n"); |
David Keitel | 42ae0aa | 2013-03-08 16:20:10 -0800 | [diff] [blame] | 1919 | power_supply_changed(&chip->batt_psy); |
Abhijeet Dharmapurikar | ba936ec | 2013-08-12 13:45:50 -0700 | [diff] [blame] | 1920 | pr_debug("psy changed usb_psy\n"); |
David Keitel | 9fd0738 | 2013-05-02 15:37:44 -0700 | [diff] [blame] | 1921 | power_supply_changed(chip->usb_psy); |
David Keitel | 0c1a453 | 2013-03-21 16:39:06 -0700 | [diff] [blame] | 1922 | |
Zhenhua Huang | 4c593ec | 2013-08-13 17:22:58 +0800 | [diff] [blame] | 1923 | if ((chip->cool_bat_decidegc || chip->warm_bat_decidegc) |
David Keitel | 0c1a453 | 2013-03-21 16:39:06 -0700 | [diff] [blame] | 1924 | && batt_present) { |
David Keitel | ec3c0980 | 2013-06-13 13:05:30 -0700 | [diff] [blame] | 1925 | pr_debug("enabling vadc notifications\n"); |
David Keitel | 79f4c93 | 2013-04-03 16:08:39 -0700 | [diff] [blame] | 1926 | schedule_work(&chip->adc_measure_work); |
Zhenhua Huang | 4c593ec | 2013-08-13 17:22:58 +0800 | [diff] [blame] | 1927 | } else if ((chip->cool_bat_decidegc || chip->warm_bat_decidegc) |
David Keitel | ec3c0980 | 2013-06-13 13:05:30 -0700 | [diff] [blame] | 1928 | && !batt_present) { |
David Keitel | ecab15a | 2013-08-06 15:41:39 -0700 | [diff] [blame] | 1929 | schedule_work(&chip->adc_disable_work); |
David Keitel | ec3c0980 | 2013-06-13 13:05:30 -0700 | [diff] [blame] | 1930 | pr_debug("disabling vadc notifications\n"); |
David Keitel | 0c1a453 | 2013-03-21 16:39:06 -0700 | [diff] [blame] | 1931 | } |
David Keitel | 42ae0aa | 2013-03-08 16:20:10 -0800 | [diff] [blame] | 1932 | } |
| 1933 | |
| 1934 | return IRQ_HANDLED; |
| 1935 | } |
| 1936 | |
| 1937 | static irqreturn_t |
David Keitel | 7450dcd | 2013-01-29 18:41:41 -0800 | [diff] [blame] | 1938 | qpnp_chg_dc_dcin_valid_irq_handler(int irq, void *_chip) |
| 1939 | { |
| 1940 | struct qpnp_chg_chip *chip = _chip; |
| 1941 | int dc_present; |
| 1942 | |
| 1943 | dc_present = qpnp_chg_is_dc_chg_plugged_in(chip); |
| 1944 | pr_debug("dcin-valid triggered: %d\n", dc_present); |
| 1945 | |
| 1946 | if (chip->dc_present ^ dc_present) { |
| 1947 | chip->dc_present = dc_present; |
David Keitel | 6d4b9da | 2013-09-05 17:38:40 -0700 | [diff] [blame] | 1948 | if (qpnp_chg_is_otg_en_set(chip)) |
| 1949 | qpnp_chg_force_run_on_batt(chip, !dc_present ? 1 : 0); |
David Keitel | 86628cc | 2014-06-09 13:24:00 -0700 | [diff] [blame] | 1950 | if (!dc_present && (!qpnp_chg_is_usb_chg_plugged_in(chip) || |
| 1951 | qpnp_chg_is_otg_en_set(chip))) { |
David Keitel | 9fd0738 | 2013-05-02 15:37:44 -0700 | [diff] [blame] | 1952 | chip->chg_done = false; |
Xiaozhe Shi | 8fbbadc | 2013-07-31 10:59:09 -0700 | [diff] [blame] | 1953 | } else { |
David Keitel | 9fd0738 | 2013-05-02 15:37:44 -0700 | [diff] [blame] | 1954 | schedule_delayed_work(&chip->eoc_work, |
| 1955 | msecs_to_jiffies(EOC_CHECK_PERIOD_MS)); |
Xiaozhe Shi | 8fbbadc | 2013-07-31 10:59:09 -0700 | [diff] [blame] | 1956 | schedule_work(&chip->soc_check_work); |
| 1957 | } |
David Keitel | 820a90d | 2014-03-25 18:18:04 -0700 | [diff] [blame] | 1958 | |
| 1959 | if (qpnp_is_dc_higher_prio(chip)) { |
| 1960 | pr_debug("dc has higher priority\n"); |
| 1961 | if (dc_present) { |
| 1962 | qpnp_chg_iusbmax_set(chip, |
| 1963 | QPNP_CHG_I_MAX_MIN_100); |
| 1964 | power_supply_set_voltage_limit(chip->usb_psy, |
| 1965 | USB_5V_UV); |
| 1966 | } else { |
| 1967 | chip->aicl_settled = false; |
| 1968 | qpnp_chg_iusbmax_set(chip, |
| 1969 | USB_WALL_THRESHOLD_MA); |
| 1970 | power_supply_set_voltage_limit(chip->usb_psy, |
| 1971 | USB_9V_UV); |
| 1972 | } |
| 1973 | } |
| 1974 | |
Abhijeet Dharmapurikar | ba936ec | 2013-08-12 13:45:50 -0700 | [diff] [blame] | 1975 | pr_debug("psy changed dc_psy\n"); |
David Keitel | 7450dcd | 2013-01-29 18:41:41 -0800 | [diff] [blame] | 1976 | power_supply_changed(&chip->dc_psy); |
Abhijeet Dharmapurikar | ba936ec | 2013-08-12 13:45:50 -0700 | [diff] [blame] | 1977 | pr_debug("psy changed batt_psy\n"); |
David Keitel | 9fd0738 | 2013-05-02 15:37:44 -0700 | [diff] [blame] | 1978 | power_supply_changed(&chip->batt_psy); |
David Keitel | 6e63bd5 | 2013-09-06 18:00:03 -0700 | [diff] [blame] | 1979 | schedule_work(&chip->batfet_lcl_work); |
David Keitel | 7450dcd | 2013-01-29 18:41:41 -0800 | [diff] [blame] | 1980 | } |
| 1981 | |
| 1982 | return IRQ_HANDLED; |
| 1983 | } |
| 1984 | |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 1985 | #define CHGR_CHG_FAILED_BIT BIT(7) |
| 1986 | static irqreturn_t |
| 1987 | qpnp_chg_chgr_chg_failed_irq_handler(int irq, void *_chip) |
| 1988 | { |
| 1989 | struct qpnp_chg_chip *chip = _chip; |
David Keitel | 4429b1f | 2012-10-18 10:42:50 -0700 | [diff] [blame] | 1990 | int rc; |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 1991 | |
David Keitel | 9fd0738 | 2013-05-02 15:37:44 -0700 | [diff] [blame] | 1992 | pr_debug("chg_failed triggered\n"); |
| 1993 | |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 1994 | rc = qpnp_chg_masked_write(chip, |
David Keitel | d681cda | 2012-10-02 15:44:21 -0700 | [diff] [blame] | 1995 | chip->chgr_base + CHGR_CHG_FAILED, |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 1996 | CHGR_CHG_FAILED_BIT, |
| 1997 | CHGR_CHG_FAILED_BIT, 1); |
| 1998 | if (rc) |
| 1999 | pr_err("Failed to write chg_fail clear bit!\n"); |
| 2000 | |
Abhijeet Dharmapurikar | ba936ec | 2013-08-12 13:45:50 -0700 | [diff] [blame] | 2001 | if (chip->bat_if_base) { |
| 2002 | pr_debug("psy changed batt_psy\n"); |
David Keitel | dbcef09 | 2013-05-14 14:48:30 -0700 | [diff] [blame] | 2003 | power_supply_changed(&chip->batt_psy); |
Abhijeet Dharmapurikar | ba936ec | 2013-08-12 13:45:50 -0700 | [diff] [blame] | 2004 | } |
| 2005 | pr_debug("psy changed usb_psy\n"); |
David Keitel | 9fd0738 | 2013-05-02 15:37:44 -0700 | [diff] [blame] | 2006 | power_supply_changed(chip->usb_psy); |
Abhijeet Dharmapurikar | ba936ec | 2013-08-12 13:45:50 -0700 | [diff] [blame] | 2007 | if (chip->dc_chgpth_base) { |
| 2008 | pr_debug("psy changed dc_psy\n"); |
David Keitel | dbcef09 | 2013-05-14 14:48:30 -0700 | [diff] [blame] | 2009 | power_supply_changed(&chip->dc_psy); |
Abhijeet Dharmapurikar | ba936ec | 2013-08-12 13:45:50 -0700 | [diff] [blame] | 2010 | } |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 2011 | return IRQ_HANDLED; |
| 2012 | } |
| 2013 | |
| 2014 | static irqreturn_t |
David Keitel | 42ae0aa | 2013-03-08 16:20:10 -0800 | [diff] [blame] | 2015 | qpnp_chg_chgr_chg_trklchg_irq_handler(int irq, void *_chip) |
| 2016 | { |
| 2017 | struct qpnp_chg_chip *chip = _chip; |
| 2018 | |
| 2019 | pr_debug("TRKL IRQ triggered\n"); |
David Keitel | c9ffe84 | 2013-01-25 19:37:51 -0800 | [diff] [blame] | 2020 | |
| 2021 | chip->chg_done = false; |
Abhijeet Dharmapurikar | ba936ec | 2013-08-12 13:45:50 -0700 | [diff] [blame] | 2022 | if (chip->bat_if_base) { |
| 2023 | pr_debug("psy changed batt_psy\n"); |
David Keitel | dbcef09 | 2013-05-14 14:48:30 -0700 | [diff] [blame] | 2024 | power_supply_changed(&chip->batt_psy); |
Abhijeet Dharmapurikar | ba936ec | 2013-08-12 13:45:50 -0700 | [diff] [blame] | 2025 | } |
David Keitel | 42ae0aa | 2013-03-08 16:20:10 -0800 | [diff] [blame] | 2026 | |
| 2027 | return IRQ_HANDLED; |
| 2028 | } |
| 2029 | |
Wu Fenglin | 64fb1ac | 2013-11-08 10:20:14 +0800 | [diff] [blame] | 2030 | static int qpnp_chg_is_fastchg_on(struct qpnp_chg_chip *chip) |
David Keitel | 42ae0aa | 2013-03-08 16:20:10 -0800 | [diff] [blame] | 2031 | { |
David Keitel | 337bd86 | 2013-07-15 21:42:58 -0700 | [diff] [blame] | 2032 | u8 chgr_sts; |
| 2033 | int rc; |
| 2034 | |
David Keitel | bf6a106 | 2014-01-23 10:57:36 -0800 | [diff] [blame] | 2035 | qpnp_chg_irq_wake_disable(&chip->chg_fastchg); |
| 2036 | |
David Keitel | 337bd86 | 2013-07-15 21:42:58 -0700 | [diff] [blame] | 2037 | rc = qpnp_chg_read(chip, &chgr_sts, INT_RT_STS(chip->chgr_base), 1); |
Wu Fenglin | 64fb1ac | 2013-11-08 10:20:14 +0800 | [diff] [blame] | 2038 | if (rc) { |
| 2039 | pr_err("failed to read interrupt status %d\n", rc); |
| 2040 | return rc; |
Abhijeet Dharmapurikar | ba936ec | 2013-08-12 13:45:50 -0700 | [diff] [blame] | 2041 | } |
Wu Fenglin | 64fb1ac | 2013-11-08 10:20:14 +0800 | [diff] [blame] | 2042 | pr_debug("chgr_sts 0x%x\n", chgr_sts); |
| 2043 | return (chgr_sts & FAST_CHG_ON_IRQ) ? 1 : 0; |
| 2044 | } |
Abhijeet Dharmapurikar | ba936ec | 2013-08-12 13:45:50 -0700 | [diff] [blame] | 2045 | |
David Keitel | 59fbb76 | 2014-02-05 16:46:24 -0800 | [diff] [blame] | 2046 | #define VBATDET_BYPASS 0x01 |
| 2047 | static int |
| 2048 | bypass_vbatdet_comp(struct qpnp_chg_chip *chip, bool bypass) |
| 2049 | { |
| 2050 | int rc; |
| 2051 | |
| 2052 | pr_debug("bypass %d\n", bypass); |
| 2053 | rc = qpnp_chg_masked_write(chip, |
| 2054 | chip->chgr_base + SEC_ACCESS, |
| 2055 | 0xA5, |
| 2056 | 0xA5, 1); |
| 2057 | rc |= qpnp_chg_masked_write(chip, |
| 2058 | chip->chgr_base + CHGR_COMP_OVR1, |
| 2059 | 0xFF, |
| 2060 | bypass ? VBATDET_BYPASS : 0, 1); |
| 2061 | if (rc) { |
| 2062 | pr_err("Failed to bypass vbatdet comp rc = %d\n", rc); |
| 2063 | return rc; |
| 2064 | } |
| 2065 | |
| 2066 | return rc; |
| 2067 | } |
| 2068 | |
Wu Fenglin | 64fb1ac | 2013-11-08 10:20:14 +0800 | [diff] [blame] | 2069 | static irqreturn_t |
| 2070 | qpnp_chg_chgr_chg_fastchg_irq_handler(int irq, void *_chip) |
| 2071 | { |
| 2072 | struct qpnp_chg_chip *chip = _chip; |
| 2073 | bool fastchg_on = false; |
Abhijeet Dharmapurikar | ba936ec | 2013-08-12 13:45:50 -0700 | [diff] [blame] | 2074 | |
Wu Fenglin | 64fb1ac | 2013-11-08 10:20:14 +0800 | [diff] [blame] | 2075 | fastchg_on = qpnp_chg_is_fastchg_on(chip); |
Abhijeet Dharmapurikar | ba936ec | 2013-08-12 13:45:50 -0700 | [diff] [blame] | 2076 | |
Wu Fenglin | 64fb1ac | 2013-11-08 10:20:14 +0800 | [diff] [blame] | 2077 | pr_debug("FAST_CHG IRQ triggered, fastchg_on: %d\n", fastchg_on); |
David Keitel | 337bd86 | 2013-07-15 21:42:58 -0700 | [diff] [blame] | 2078 | |
Wu Fenglin | 64fb1ac | 2013-11-08 10:20:14 +0800 | [diff] [blame] | 2079 | if (chip->fastchg_on ^ fastchg_on) { |
| 2080 | chip->fastchg_on = fastchg_on; |
| 2081 | if (chip->bat_if_base) { |
| 2082 | pr_debug("psy changed batt_psy\n"); |
| 2083 | power_supply_changed(&chip->batt_psy); |
| 2084 | } |
| 2085 | |
| 2086 | pr_debug("psy changed usb_psy\n"); |
| 2087 | power_supply_changed(chip->usb_psy); |
| 2088 | |
| 2089 | if (chip->dc_chgpth_base) { |
| 2090 | pr_debug("psy changed dc_psy\n"); |
| 2091 | power_supply_changed(&chip->dc_psy); |
| 2092 | } |
| 2093 | |
| 2094 | if (fastchg_on) { |
| 2095 | chip->chg_done = false; |
David Keitel | 59fbb76 | 2014-02-05 16:46:24 -0800 | [diff] [blame] | 2096 | bypass_vbatdet_comp(chip, 1); |
| 2097 | if (chip->bat_is_warm || chip->bat_is_cool) { |
| 2098 | qpnp_chg_set_appropriate_vddmax(chip); |
| 2099 | qpnp_chg_set_appropriate_battery_current(chip); |
| 2100 | } |
Wu Fenglin | 64fb1ac | 2013-11-08 10:20:14 +0800 | [diff] [blame] | 2101 | |
| 2102 | if (chip->resuming_charging) { |
| 2103 | chip->resuming_charging = false; |
| 2104 | qpnp_chg_set_appropriate_vbatdet(chip); |
| 2105 | } |
| 2106 | |
| 2107 | if (!chip->charging_disabled) { |
| 2108 | schedule_delayed_work(&chip->eoc_work, |
| 2109 | msecs_to_jiffies(EOC_CHECK_PERIOD_MS)); |
| 2110 | pm_stay_awake(chip->dev); |
| 2111 | } |
David Keitel | 975b535 | 2014-01-27 14:28:04 -0800 | [diff] [blame] | 2112 | if (chip->parallel_ovp_mode) |
| 2113 | switch_parallel_ovp_mode(chip, 1); |
David Keitel | cd2e102 | 2014-05-02 17:25:15 -0700 | [diff] [blame] | 2114 | |
| 2115 | if (ext_ovp_isns_present && |
| 2116 | chip->ext_ovp_ic_gpio_enabled) { |
| 2117 | pr_debug("EXT OVP IC ISNS enabled\n"); |
| 2118 | gpio_direction_output( |
| 2119 | chip->ext_ovp_isns_gpio, 1); |
| 2120 | } |
David Keitel | 975b535 | 2014-01-27 14:28:04 -0800 | [diff] [blame] | 2121 | } else { |
| 2122 | if (chip->parallel_ovp_mode) |
| 2123 | switch_parallel_ovp_mode(chip, 0); |
David Keitel | 59fbb76 | 2014-02-05 16:46:24 -0800 | [diff] [blame] | 2124 | if (!chip->bat_is_warm && !chip->bat_is_cool) |
| 2125 | bypass_vbatdet_comp(chip, 0); |
Wu Fenglin | 64fb1ac | 2013-11-08 10:20:14 +0800 | [diff] [blame] | 2126 | } |
Abhijeet Dharmapurikar | 8a68b17 | 2013-08-12 13:55:58 -0700 | [diff] [blame] | 2127 | } |
| 2128 | |
David Keitel | 47185a6 | 2013-05-15 18:54:10 -0700 | [diff] [blame] | 2129 | qpnp_chg_enable_irq(&chip->chg_vbatdet_lo); |
David Keitel | 42ae0aa | 2013-03-08 16:20:10 -0800 | [diff] [blame] | 2130 | |
| 2131 | return IRQ_HANDLED; |
| 2132 | } |
| 2133 | |
David Keitel | 03ee6b5 | 2012-10-22 12:25:19 -0700 | [diff] [blame] | 2134 | static int |
David Keitel | 432e123 | 2013-06-05 16:10:18 -0700 | [diff] [blame] | 2135 | qpnp_dc_property_is_writeable(struct power_supply *psy, |
| 2136 | enum power_supply_property psp) |
| 2137 | { |
| 2138 | switch (psp) { |
| 2139 | case POWER_SUPPLY_PROP_CURRENT_MAX: |
| 2140 | return 1; |
| 2141 | default: |
| 2142 | break; |
| 2143 | } |
| 2144 | |
| 2145 | return 0; |
| 2146 | } |
| 2147 | |
| 2148 | static int |
David Keitel | 03ee6b5 | 2012-10-22 12:25:19 -0700 | [diff] [blame] | 2149 | qpnp_batt_property_is_writeable(struct power_supply *psy, |
| 2150 | enum power_supply_property psp) |
| 2151 | { |
| 2152 | switch (psp) { |
| 2153 | case POWER_SUPPLY_PROP_CHARGING_ENABLED: |
David Keitel | be20825 | 2013-01-31 14:49:25 -0800 | [diff] [blame] | 2154 | case POWER_SUPPLY_PROP_SYSTEM_TEMP_LEVEL: |
David Keitel | 337bd86 | 2013-07-15 21:42:58 -0700 | [diff] [blame] | 2155 | case POWER_SUPPLY_PROP_INPUT_CURRENT_MAX: |
David Keitel | 2586f0a | 2013-08-20 10:02:26 -0700 | [diff] [blame] | 2156 | case POWER_SUPPLY_PROP_INPUT_CURRENT_TRIM: |
Anirudh Ghayal | 42fc8a1 | 2013-10-21 17:42:54 -0700 | [diff] [blame] | 2157 | case POWER_SUPPLY_PROP_INPUT_CURRENT_SETTLED: |
Fenglin Wu | c64e994 | 2014-08-22 13:47:34 +0800 | [diff] [blame] | 2158 | case POWER_SUPPLY_PROP_VCHG_LOOP_DBC_BYPASS: |
David Keitel | 337bd86 | 2013-07-15 21:42:58 -0700 | [diff] [blame] | 2159 | case POWER_SUPPLY_PROP_VOLTAGE_MIN: |
David Keitel | ec3c0980 | 2013-06-13 13:05:30 -0700 | [diff] [blame] | 2160 | case POWER_SUPPLY_PROP_COOL_TEMP: |
| 2161 | case POWER_SUPPLY_PROP_WARM_TEMP: |
Xiaozhe Shi | 78797cf | 2013-11-12 13:18:42 -0800 | [diff] [blame] | 2162 | case POWER_SUPPLY_PROP_CAPACITY: |
David Keitel | 03ee6b5 | 2012-10-22 12:25:19 -0700 | [diff] [blame] | 2163 | return 1; |
| 2164 | default: |
| 2165 | break; |
| 2166 | } |
| 2167 | |
| 2168 | return 0; |
| 2169 | } |
| 2170 | |
David Keitel | 6f865cd | 2012-11-30 15:04:32 -0800 | [diff] [blame] | 2171 | static int |
David Keitel | be20825 | 2013-01-31 14:49:25 -0800 | [diff] [blame] | 2172 | qpnp_chg_buck_control(struct qpnp_chg_chip *chip, int enable) |
| 2173 | { |
| 2174 | int rc; |
| 2175 | |
| 2176 | if (chip->charging_disabled && enable) { |
| 2177 | pr_debug("Charging disabled\n"); |
| 2178 | return 0; |
| 2179 | } |
| 2180 | |
| 2181 | rc = qpnp_chg_charge_en(chip, enable); |
| 2182 | if (rc) { |
| 2183 | pr_err("Failed to control charging %d\n", rc); |
| 2184 | return rc; |
| 2185 | } |
| 2186 | |
| 2187 | rc = qpnp_chg_force_run_on_batt(chip, !enable); |
| 2188 | if (rc) |
| 2189 | pr_err("Failed to control charging %d\n", rc); |
| 2190 | |
| 2191 | return rc; |
| 2192 | } |
| 2193 | |
David Keitel | 454ee84 | 2013-03-08 16:19:11 -0800 | [diff] [blame] | 2194 | static int |
| 2195 | switch_usb_to_charge_mode(struct qpnp_chg_chip *chip) |
David Keitel | 6f865cd | 2012-11-30 15:04:32 -0800 | [diff] [blame] | 2196 | { |
| 2197 | int rc; |
| 2198 | |
| 2199 | pr_debug("switch to charge mode\n"); |
| 2200 | if (!qpnp_chg_is_otg_en_set(chip)) |
| 2201 | return 0; |
| 2202 | |
David Keitel | 8b9bd31 | 2014-01-15 14:44:00 -0800 | [diff] [blame] | 2203 | if (chip->type == SMBBP) { |
| 2204 | rc = qpnp_chg_masked_write(chip, |
| 2205 | chip->boost_base + BOOST_ILIM, |
| 2206 | BOOST_ILIMT_MASK, |
| 2207 | BOOST_ILIMIT_DEF, 1); |
| 2208 | if (rc) { |
| 2209 | pr_err("Failed to set ilim rc = %d\n", rc); |
| 2210 | return rc; |
| 2211 | } |
| 2212 | } |
| 2213 | |
David Keitel | 6f865cd | 2012-11-30 15:04:32 -0800 | [diff] [blame] | 2214 | /* enable usb ovp fet */ |
| 2215 | rc = qpnp_chg_masked_write(chip, |
| 2216 | chip->usb_chgpth_base + CHGR_USB_USB_OTG_CTL, |
| 2217 | USB_OTG_EN_BIT, |
| 2218 | 0, 1); |
| 2219 | if (rc) { |
| 2220 | pr_err("Failed to turn on usb ovp rc = %d\n", rc); |
| 2221 | return rc; |
| 2222 | } |
| 2223 | |
| 2224 | rc = qpnp_chg_force_run_on_batt(chip, chip->charging_disabled); |
| 2225 | if (rc) { |
| 2226 | pr_err("Failed re-enable charging rc = %d\n", rc); |
| 2227 | return rc; |
| 2228 | } |
| 2229 | |
| 2230 | return 0; |
| 2231 | } |
| 2232 | |
David Keitel | 454ee84 | 2013-03-08 16:19:11 -0800 | [diff] [blame] | 2233 | static int |
| 2234 | switch_usb_to_host_mode(struct qpnp_chg_chip *chip) |
David Keitel | 6f865cd | 2012-11-30 15:04:32 -0800 | [diff] [blame] | 2235 | { |
| 2236 | int rc; |
David Keitel | 8b9bd31 | 2014-01-15 14:44:00 -0800 | [diff] [blame] | 2237 | u8 usb_sts; |
David Keitel | 6f865cd | 2012-11-30 15:04:32 -0800 | [diff] [blame] | 2238 | |
| 2239 | pr_debug("switch to host mode\n"); |
| 2240 | if (qpnp_chg_is_otg_en_set(chip)) |
| 2241 | return 0; |
| 2242 | |
David Keitel | 975b535 | 2014-01-27 14:28:04 -0800 | [diff] [blame] | 2243 | if (chip->parallel_ovp_mode) |
| 2244 | switch_parallel_ovp_mode(chip, 0); |
| 2245 | |
David Keitel | 8b9bd31 | 2014-01-15 14:44:00 -0800 | [diff] [blame] | 2246 | if (chip->type == SMBBP) { |
| 2247 | rc = qpnp_chg_masked_write(chip, |
| 2248 | chip->boost_base + BOOST_ILIM, |
| 2249 | BOOST_ILIMT_MASK, |
| 2250 | BOOST_ILIMIT_MIN, 1); |
| 2251 | if (rc) { |
| 2252 | pr_err("Failed to turn configure ilim rc = %d\n", rc); |
| 2253 | return rc; |
| 2254 | } |
| 2255 | } |
| 2256 | |
David Keitel | 6d4b9da | 2013-09-05 17:38:40 -0700 | [diff] [blame] | 2257 | if (!qpnp_chg_is_dc_chg_plugged_in(chip)) { |
| 2258 | rc = qpnp_chg_force_run_on_batt(chip, 1); |
| 2259 | if (rc) { |
| 2260 | pr_err("Failed to disable charging rc = %d\n", rc); |
| 2261 | return rc; |
| 2262 | } |
David Keitel | 6f865cd | 2012-11-30 15:04:32 -0800 | [diff] [blame] | 2263 | } |
| 2264 | |
| 2265 | /* force usb ovp fet off */ |
| 2266 | rc = qpnp_chg_masked_write(chip, |
| 2267 | chip->usb_chgpth_base + CHGR_USB_USB_OTG_CTL, |
| 2268 | USB_OTG_EN_BIT, |
| 2269 | USB_OTG_EN_BIT, 1); |
| 2270 | if (rc) { |
| 2271 | pr_err("Failed to turn off usb ovp rc = %d\n", rc); |
| 2272 | return rc; |
| 2273 | } |
| 2274 | |
David Keitel | 8b9bd31 | 2014-01-15 14:44:00 -0800 | [diff] [blame] | 2275 | if (chip->type == SMBBP) { |
| 2276 | /* Wait for OCP circuitry to be powered up */ |
| 2277 | msleep(100); |
| 2278 | rc = qpnp_chg_read(chip, &usb_sts, |
| 2279 | INT_RT_STS(chip->usb_chgpth_base), 1); |
| 2280 | if (rc) { |
| 2281 | pr_err("failed to read interrupt sts %d\n", rc); |
| 2282 | return rc; |
| 2283 | } |
| 2284 | |
| 2285 | if (usb_sts & COARSE_DET_USB_IRQ) { |
| 2286 | rc = qpnp_chg_masked_write(chip, |
| 2287 | chip->boost_base + BOOST_ILIM, |
| 2288 | BOOST_ILIMT_MASK, |
| 2289 | BOOST_ILIMIT_DEF, 1); |
| 2290 | if (rc) { |
| 2291 | pr_err("Failed to set ilim rc = %d\n", rc); |
| 2292 | return rc; |
| 2293 | } |
| 2294 | } else { |
| 2295 | pr_warn_ratelimited("USB short to GND detected!\n"); |
| 2296 | } |
| 2297 | } |
| 2298 | |
David Keitel | 6f865cd | 2012-11-30 15:04:32 -0800 | [diff] [blame] | 2299 | return 0; |
| 2300 | } |
| 2301 | |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 2302 | static enum power_supply_property pm_power_props_mains[] = { |
| 2303 | POWER_SUPPLY_PROP_PRESENT, |
| 2304 | POWER_SUPPLY_PROP_ONLINE, |
David Keitel | 432e123 | 2013-06-05 16:10:18 -0700 | [diff] [blame] | 2305 | POWER_SUPPLY_PROP_CURRENT_MAX, |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 2306 | }; |
| 2307 | |
| 2308 | static enum power_supply_property msm_batt_power_props[] = { |
David Keitel | b80eda8 | 2012-10-15 10:49:11 -0700 | [diff] [blame] | 2309 | POWER_SUPPLY_PROP_CHARGING_ENABLED, |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 2310 | POWER_SUPPLY_PROP_STATUS, |
| 2311 | POWER_SUPPLY_PROP_CHARGE_TYPE, |
| 2312 | POWER_SUPPLY_PROP_HEALTH, |
| 2313 | POWER_SUPPLY_PROP_PRESENT, |
Abhijeet Dharmapurikar | 84b13dd | 2013-07-08 18:43:56 -0700 | [diff] [blame] | 2314 | POWER_SUPPLY_PROP_ONLINE, |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 2315 | POWER_SUPPLY_PROP_TECHNOLOGY, |
| 2316 | POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN, |
| 2317 | POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN, |
| 2318 | POWER_SUPPLY_PROP_VOLTAGE_NOW, |
| 2319 | POWER_SUPPLY_PROP_CAPACITY, |
| 2320 | POWER_SUPPLY_PROP_CURRENT_NOW, |
David Keitel | 337bd86 | 2013-07-15 21:42:58 -0700 | [diff] [blame] | 2321 | POWER_SUPPLY_PROP_INPUT_CURRENT_MAX, |
David Keitel | 2586f0a | 2013-08-20 10:02:26 -0700 | [diff] [blame] | 2322 | POWER_SUPPLY_PROP_INPUT_CURRENT_TRIM, |
Anirudh Ghayal | 42fc8a1 | 2013-10-21 17:42:54 -0700 | [diff] [blame] | 2323 | POWER_SUPPLY_PROP_INPUT_CURRENT_SETTLED, |
Fenglin Wu | c64e994 | 2014-08-22 13:47:34 +0800 | [diff] [blame] | 2324 | POWER_SUPPLY_PROP_VCHG_LOOP_DBC_BYPASS, |
David Keitel | 337bd86 | 2013-07-15 21:42:58 -0700 | [diff] [blame] | 2325 | POWER_SUPPLY_PROP_VOLTAGE_MIN, |
| 2326 | POWER_SUPPLY_PROP_INPUT_VOLTAGE_REGULATION, |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 2327 | POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN, |
Anirudh Ghayal | c9d981a | 2013-06-24 09:50:33 +0530 | [diff] [blame] | 2328 | POWER_SUPPLY_PROP_CHARGE_FULL, |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 2329 | POWER_SUPPLY_PROP_TEMP, |
David Keitel | ec3c0980 | 2013-06-13 13:05:30 -0700 | [diff] [blame] | 2330 | POWER_SUPPLY_PROP_COOL_TEMP, |
| 2331 | POWER_SUPPLY_PROP_WARM_TEMP, |
David Keitel | be20825 | 2013-01-31 14:49:25 -0800 | [diff] [blame] | 2332 | POWER_SUPPLY_PROP_SYSTEM_TEMP_LEVEL, |
Anirudh Ghayal | 9dd582d | 2013-06-07 17:48:58 +0530 | [diff] [blame] | 2333 | POWER_SUPPLY_PROP_CYCLE_COUNT, |
Xiaozhe Shi | bc4f9ee | 2013-08-29 17:03:44 -0700 | [diff] [blame] | 2334 | POWER_SUPPLY_PROP_VOLTAGE_OCV, |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 2335 | }; |
| 2336 | |
| 2337 | static char *pm_power_supplied_to[] = { |
| 2338 | "battery", |
| 2339 | }; |
| 2340 | |
Xiaozhe Shi | 890fbf4 | 2013-05-02 16:42:53 -0700 | [diff] [blame] | 2341 | static char *pm_batt_supplied_to[] = { |
| 2342 | "bms", |
| 2343 | }; |
| 2344 | |
David Keitel | 337bd86 | 2013-07-15 21:42:58 -0700 | [diff] [blame] | 2345 | static int charger_monitor; |
| 2346 | module_param(charger_monitor, int, 0644); |
| 2347 | |
David Keitel | 2586f0a | 2013-08-20 10:02:26 -0700 | [diff] [blame] | 2348 | static int ext_ovp_present; |
| 2349 | module_param(ext_ovp_present, int, 0444); |
| 2350 | |
David Keitel | cd2e102 | 2014-05-02 17:25:15 -0700 | [diff] [blame] | 2351 | #define OVP_USB_WALL_TRSH_MA 200 |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 2352 | static int |
| 2353 | qpnp_power_get_property_mains(struct power_supply *psy, |
| 2354 | enum power_supply_property psp, |
| 2355 | union power_supply_propval *val) |
| 2356 | { |
| 2357 | struct qpnp_chg_chip *chip = container_of(psy, struct qpnp_chg_chip, |
| 2358 | dc_psy); |
| 2359 | |
| 2360 | switch (psp) { |
| 2361 | case POWER_SUPPLY_PROP_PRESENT: |
| 2362 | case POWER_SUPPLY_PROP_ONLINE: |
| 2363 | val->intval = 0; |
David Keitel | 03ee6b5 | 2012-10-22 12:25:19 -0700 | [diff] [blame] | 2364 | if (chip->charging_disabled) |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 2365 | return 0; |
| 2366 | |
| 2367 | val->intval = qpnp_chg_is_dc_chg_plugged_in(chip); |
| 2368 | break; |
David Keitel | 432e123 | 2013-06-05 16:10:18 -0700 | [diff] [blame] | 2369 | case POWER_SUPPLY_PROP_CURRENT_MAX: |
David Keitel | e2c9530 | 2013-07-11 11:15:06 -0700 | [diff] [blame] | 2370 | val->intval = chip->maxinput_dc_ma * 1000; |
David Keitel | 432e123 | 2013-06-05 16:10:18 -0700 | [diff] [blame] | 2371 | break; |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 2372 | default: |
| 2373 | return -EINVAL; |
| 2374 | } |
| 2375 | return 0; |
| 2376 | } |
| 2377 | |
David Keitel | 7ac385e | 2013-08-19 18:02:40 -0700 | [diff] [blame] | 2378 | static void |
| 2379 | qpnp_aicl_check_work(struct work_struct *work) |
| 2380 | { |
| 2381 | struct delayed_work *dwork = to_delayed_work(work); |
| 2382 | struct qpnp_chg_chip *chip = container_of(dwork, |
| 2383 | struct qpnp_chg_chip, aicl_check_work); |
| 2384 | union power_supply_propval ret = {0,}; |
| 2385 | |
| 2386 | if (!charger_monitor && qpnp_chg_is_usb_chg_plugged_in(chip)) { |
| 2387 | chip->usb_psy->get_property(chip->usb_psy, |
| 2388 | POWER_SUPPLY_PROP_CURRENT_MAX, &ret); |
| 2389 | if ((ret.intval / 1000) > USB_WALL_THRESHOLD_MA) { |
| 2390 | pr_debug("no charger_monitor present set iusbmax %d\n", |
| 2391 | ret.intval / 1000); |
| 2392 | qpnp_chg_iusbmax_set(chip, ret.intval / 1000); |
| 2393 | } |
| 2394 | } else { |
| 2395 | pr_debug("charger_monitor is present\n"); |
| 2396 | } |
| 2397 | chip->charger_monitor_checked = true; |
| 2398 | } |
| 2399 | |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 2400 | static int |
| 2401 | get_prop_battery_voltage_now(struct qpnp_chg_chip *chip) |
| 2402 | { |
| 2403 | int rc = 0; |
| 2404 | struct qpnp_vadc_result results; |
| 2405 | |
David Keitel | fe51cb9 | 2013-04-02 19:42:58 -0700 | [diff] [blame] | 2406 | if (chip->revision == 0 && chip->type == SMBB) { |
| 2407 | pr_err("vbat reading not supported for 1.0 rc=%d\n", rc); |
| 2408 | return 0; |
| 2409 | } else { |
Siddartha Mohanadoss | 3cb2b6b | 2013-06-21 12:07:05 -0700 | [diff] [blame] | 2410 | rc = qpnp_vadc_read(chip->vadc_dev, VBAT_SNS, &results); |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 2411 | if (rc) { |
| 2412 | pr_err("Unable to read vbat rc=%d\n", rc); |
| 2413 | return 0; |
| 2414 | } |
| 2415 | return results.physical; |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 2416 | } |
| 2417 | } |
| 2418 | |
| 2419 | #define BATT_PRES_BIT BIT(7) |
| 2420 | static int |
| 2421 | get_prop_batt_present(struct qpnp_chg_chip *chip) |
| 2422 | { |
| 2423 | u8 batt_present; |
| 2424 | int rc; |
| 2425 | |
| 2426 | rc = qpnp_chg_read(chip, &batt_present, |
| 2427 | chip->bat_if_base + CHGR_BAT_IF_PRES_STATUS, 1); |
| 2428 | if (rc) { |
| 2429 | pr_err("Couldn't read battery status read failed rc=%d\n", rc); |
| 2430 | return 0; |
| 2431 | }; |
| 2432 | return (batt_present & BATT_PRES_BIT) ? 1 : 0; |
| 2433 | } |
| 2434 | |
| 2435 | #define BATT_TEMP_HOT BIT(6) |
| 2436 | #define BATT_TEMP_OK BIT(7) |
| 2437 | static int |
| 2438 | get_prop_batt_health(struct qpnp_chg_chip *chip) |
| 2439 | { |
| 2440 | u8 batt_health; |
| 2441 | int rc; |
| 2442 | |
| 2443 | rc = qpnp_chg_read(chip, &batt_health, |
David Keitel | d681cda | 2012-10-02 15:44:21 -0700 | [diff] [blame] | 2444 | chip->bat_if_base + CHGR_STATUS, 1); |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 2445 | if (rc) { |
| 2446 | pr_err("Couldn't read battery health read failed rc=%d\n", rc); |
| 2447 | return POWER_SUPPLY_HEALTH_UNKNOWN; |
| 2448 | }; |
| 2449 | |
| 2450 | if (BATT_TEMP_OK & batt_health) |
| 2451 | return POWER_SUPPLY_HEALTH_GOOD; |
| 2452 | if (BATT_TEMP_HOT & batt_health) |
| 2453 | return POWER_SUPPLY_HEALTH_OVERHEAT; |
| 2454 | else |
| 2455 | return POWER_SUPPLY_HEALTH_COLD; |
| 2456 | } |
| 2457 | |
| 2458 | static int |
| 2459 | get_prop_charge_type(struct qpnp_chg_chip *chip) |
| 2460 | { |
| 2461 | int rc; |
| 2462 | u8 chgr_sts; |
| 2463 | |
| 2464 | if (!get_prop_batt_present(chip)) |
| 2465 | return POWER_SUPPLY_CHARGE_TYPE_NONE; |
| 2466 | |
| 2467 | rc = qpnp_chg_read(chip, &chgr_sts, |
| 2468 | INT_RT_STS(chip->chgr_base), 1); |
| 2469 | if (rc) { |
| 2470 | pr_err("failed to read interrupt sts %d\n", rc); |
| 2471 | return POWER_SUPPLY_CHARGE_TYPE_NONE; |
| 2472 | } |
| 2473 | |
| 2474 | if (chgr_sts & TRKL_CHG_ON_IRQ) |
| 2475 | return POWER_SUPPLY_CHARGE_TYPE_TRICKLE; |
| 2476 | if (chgr_sts & FAST_CHG_ON_IRQ) |
| 2477 | return POWER_SUPPLY_CHARGE_TYPE_FAST; |
| 2478 | |
| 2479 | return POWER_SUPPLY_CHARGE_TYPE_NONE; |
| 2480 | } |
| 2481 | |
Xiaozhe Shi | 72a72f2 | 2013-12-26 13:54:29 -0800 | [diff] [blame] | 2482 | #define DEFAULT_CAPACITY 50 |
| 2483 | static int |
| 2484 | get_batt_capacity(struct qpnp_chg_chip *chip) |
| 2485 | { |
| 2486 | union power_supply_propval ret = {0,}; |
| 2487 | |
| 2488 | if (chip->fake_battery_soc >= 0) |
| 2489 | return chip->fake_battery_soc; |
| 2490 | if (chip->use_default_batt_values || !get_prop_batt_present(chip)) |
| 2491 | return DEFAULT_CAPACITY; |
| 2492 | if (chip->bms_psy) { |
| 2493 | chip->bms_psy->get_property(chip->bms_psy, |
| 2494 | POWER_SUPPLY_PROP_CAPACITY, &ret); |
| 2495 | return ret.intval; |
| 2496 | } |
| 2497 | return DEFAULT_CAPACITY; |
| 2498 | } |
| 2499 | |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 2500 | static int |
| 2501 | get_prop_batt_status(struct qpnp_chg_chip *chip) |
| 2502 | { |
| 2503 | int rc; |
Zhenhua Huang | 2a0ee35 | 2013-07-23 01:55:43 +0800 | [diff] [blame] | 2504 | u8 chgr_sts, bat_if_sts; |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 2505 | |
David Keitel | 9fd0738 | 2013-05-02 15:37:44 -0700 | [diff] [blame] | 2506 | rc = qpnp_chg_read(chip, &chgr_sts, INT_RT_STS(chip->chgr_base), 1); |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 2507 | if (rc) { |
| 2508 | pr_err("failed to read interrupt sts %d\n", rc); |
David Keitel | c9ffe84 | 2013-01-25 19:37:51 -0800 | [diff] [blame] | 2509 | return POWER_SUPPLY_CHARGE_TYPE_NONE; |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 2510 | } |
| 2511 | |
Zhenhua Huang | 2a0ee35 | 2013-07-23 01:55:43 +0800 | [diff] [blame] | 2512 | rc = qpnp_chg_read(chip, &bat_if_sts, INT_RT_STS(chip->bat_if_base), 1); |
| 2513 | if (rc) { |
| 2514 | pr_err("failed to read bat_if sts %d\n", rc); |
| 2515 | return POWER_SUPPLY_CHARGE_TYPE_NONE; |
| 2516 | } |
| 2517 | |
David Keitel | a8099ff | 2014-01-06 11:31:40 -0800 | [diff] [blame] | 2518 | if ((chgr_sts & TRKL_CHG_ON_IRQ) && !(bat_if_sts & BAT_FET_ON_IRQ)) |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 2519 | return POWER_SUPPLY_STATUS_CHARGING; |
Zhenhua Huang | 2a0ee35 | 2013-07-23 01:55:43 +0800 | [diff] [blame] | 2520 | if (chgr_sts & FAST_CHG_ON_IRQ && bat_if_sts & BAT_FET_ON_IRQ) |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 2521 | return POWER_SUPPLY_STATUS_CHARGING; |
| 2522 | |
Chunmei Cai | b3999b2 | 2014-07-11 15:38:13 +0800 | [diff] [blame] | 2523 | /* |
| 2524 | * Report full if state of charge is 100 or chg_done is true |
| 2525 | * when a charger is connected and boost is disabled |
| 2526 | */ |
Xiaozhe Shi | 72a72f2 | 2013-12-26 13:54:29 -0800 | [diff] [blame] | 2527 | if ((qpnp_chg_is_usb_chg_plugged_in(chip) || |
Chunmei Cai | b3999b2 | 2014-07-11 15:38:13 +0800 | [diff] [blame] | 2528 | qpnp_chg_is_dc_chg_plugged_in(chip)) && |
| 2529 | (chip->chg_done || get_batt_capacity(chip) == 100) |
| 2530 | && qpnp_chg_is_boost_en_set(chip) == 0) { |
Xiaozhe Shi | 72a72f2 | 2013-12-26 13:54:29 -0800 | [diff] [blame] | 2531 | return POWER_SUPPLY_STATUS_FULL; |
| 2532 | } |
| 2533 | |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 2534 | return POWER_SUPPLY_STATUS_DISCHARGING; |
| 2535 | } |
| 2536 | |
| 2537 | static int |
| 2538 | get_prop_current_now(struct qpnp_chg_chip *chip) |
| 2539 | { |
| 2540 | union power_supply_propval ret = {0,}; |
| 2541 | |
| 2542 | if (chip->bms_psy) { |
| 2543 | chip->bms_psy->get_property(chip->bms_psy, |
| 2544 | POWER_SUPPLY_PROP_CURRENT_NOW, &ret); |
| 2545 | return ret.intval; |
| 2546 | } else { |
| 2547 | pr_debug("No BMS supply registered return 0\n"); |
| 2548 | } |
| 2549 | |
| 2550 | return 0; |
| 2551 | } |
| 2552 | |
| 2553 | static int |
| 2554 | get_prop_full_design(struct qpnp_chg_chip *chip) |
| 2555 | { |
| 2556 | union power_supply_propval ret = {0,}; |
| 2557 | |
| 2558 | if (chip->bms_psy) { |
| 2559 | chip->bms_psy->get_property(chip->bms_psy, |
| 2560 | POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN, &ret); |
| 2561 | return ret.intval; |
| 2562 | } else { |
| 2563 | pr_debug("No BMS supply registered return 0\n"); |
| 2564 | } |
| 2565 | |
| 2566 | return 0; |
| 2567 | } |
| 2568 | |
Anirudh Ghayal | c9d981a | 2013-06-24 09:50:33 +0530 | [diff] [blame] | 2569 | static int |
| 2570 | get_prop_charge_full(struct qpnp_chg_chip *chip) |
| 2571 | { |
| 2572 | union power_supply_propval ret = {0,}; |
| 2573 | |
| 2574 | if (chip->bms_psy) { |
| 2575 | chip->bms_psy->get_property(chip->bms_psy, |
| 2576 | POWER_SUPPLY_PROP_CHARGE_FULL, &ret); |
| 2577 | return ret.intval; |
| 2578 | } else { |
| 2579 | pr_debug("No BMS supply registered return 0\n"); |
| 2580 | } |
| 2581 | |
| 2582 | return 0; |
| 2583 | } |
| 2584 | |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 2585 | static int |
| 2586 | get_prop_capacity(struct qpnp_chg_chip *chip) |
| 2587 | { |
| 2588 | union power_supply_propval ret = {0,}; |
Xiaozhe Shi | bda8499 | 2013-09-05 10:39:11 -0700 | [diff] [blame] | 2589 | int battery_status, bms_status, soc, charger_in; |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 2590 | |
Xiaozhe Shi | 78797cf | 2013-11-12 13:18:42 -0800 | [diff] [blame] | 2591 | if (chip->fake_battery_soc >= 0) |
| 2592 | return chip->fake_battery_soc; |
| 2593 | |
David Keitel | 3dd5e0f | 2012-12-12 18:12:36 -0800 | [diff] [blame] | 2594 | if (chip->use_default_batt_values || !get_prop_batt_present(chip)) |
| 2595 | return DEFAULT_CAPACITY; |
| 2596 | |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 2597 | if (chip->bms_psy) { |
| 2598 | chip->bms_psy->get_property(chip->bms_psy, |
Xiaozhe Shi | 8fbbadc | 2013-07-31 10:59:09 -0700 | [diff] [blame] | 2599 | POWER_SUPPLY_PROP_CAPACITY, &ret); |
Xiaozhe Shi | bda8499 | 2013-09-05 10:39:11 -0700 | [diff] [blame] | 2600 | soc = ret.intval; |
Xiaozhe Shi | 8fbbadc | 2013-07-31 10:59:09 -0700 | [diff] [blame] | 2601 | battery_status = get_prop_batt_status(chip); |
Xiaozhe Shi | bda8499 | 2013-09-05 10:39:11 -0700 | [diff] [blame] | 2602 | chip->bms_psy->get_property(chip->bms_psy, |
| 2603 | POWER_SUPPLY_PROP_STATUS, &ret); |
| 2604 | bms_status = ret.intval; |
Xiaozhe Shi | 8fbbadc | 2013-07-31 10:59:09 -0700 | [diff] [blame] | 2605 | charger_in = qpnp_chg_is_usb_chg_plugged_in(chip) || |
| 2606 | qpnp_chg_is_dc_chg_plugged_in(chip); |
| 2607 | |
| 2608 | if (battery_status != POWER_SUPPLY_STATUS_CHARGING |
Xiaozhe Shi | bda8499 | 2013-09-05 10:39:11 -0700 | [diff] [blame] | 2609 | && bms_status != POWER_SUPPLY_STATUS_CHARGING |
Xiaozhe Shi | 8fbbadc | 2013-07-31 10:59:09 -0700 | [diff] [blame] | 2610 | && charger_in |
Xiaozhe Shi | e850448 | 2013-10-30 18:10:31 -0700 | [diff] [blame] | 2611 | && !chip->bat_is_cool |
| 2612 | && !chip->bat_is_warm |
Xiaozhe Shi | 7fc4e3c | 2013-06-06 13:52:29 -0700 | [diff] [blame] | 2613 | && !chip->resuming_charging |
| 2614 | && !chip->charging_disabled |
| 2615 | && chip->soc_resume_limit |
Xiaozhe Shi | bda8499 | 2013-09-05 10:39:11 -0700 | [diff] [blame] | 2616 | && soc <= chip->soc_resume_limit) { |
| 2617 | pr_debug("resuming charging at %d%% soc\n", soc); |
Xiaozhe Shi | 7fc4e3c | 2013-06-06 13:52:29 -0700 | [diff] [blame] | 2618 | chip->resuming_charging = true; |
David Keitel | bf6a106 | 2014-01-23 10:57:36 -0800 | [diff] [blame] | 2619 | qpnp_chg_irq_wake_enable(&chip->chg_fastchg); |
Xiaozhe Shi | 7fc4e3c | 2013-06-06 13:52:29 -0700 | [diff] [blame] | 2620 | qpnp_chg_set_appropriate_vbatdet(chip); |
| 2621 | qpnp_chg_charge_en(chip, !chip->charging_disabled); |
| 2622 | } |
Xiaozhe Shi | bda8499 | 2013-09-05 10:39:11 -0700 | [diff] [blame] | 2623 | if (soc == 0) { |
David Keitel | eeca08f | 2013-05-17 16:40:46 -0700 | [diff] [blame] | 2624 | if (!qpnp_chg_is_usb_chg_plugged_in(chip) |
| 2625 | && !qpnp_chg_is_usb_chg_plugged_in(chip)) |
Abhijeet Dharmapurikar | 53ce35a | 2013-03-29 16:14:16 -0700 | [diff] [blame] | 2626 | pr_warn_ratelimited("Battery 0, CHG absent\n"); |
| 2627 | } |
Xiaozhe Shi | bda8499 | 2013-09-05 10:39:11 -0700 | [diff] [blame] | 2628 | return soc; |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 2629 | } else { |
| 2630 | pr_debug("No BMS supply registered return 50\n"); |
| 2631 | } |
| 2632 | |
| 2633 | /* return default capacity to avoid userspace |
| 2634 | * from shutting down unecessarily */ |
| 2635 | return DEFAULT_CAPACITY; |
| 2636 | } |
| 2637 | |
David Keitel | 3dd5e0f | 2012-12-12 18:12:36 -0800 | [diff] [blame] | 2638 | #define DEFAULT_TEMP 250 |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 2639 | #define MAX_TOLERABLE_BATT_TEMP_DDC 680 |
| 2640 | static int |
| 2641 | get_prop_batt_temp(struct qpnp_chg_chip *chip) |
| 2642 | { |
| 2643 | int rc = 0; |
| 2644 | struct qpnp_vadc_result results; |
| 2645 | |
David Keitel | 3dd5e0f | 2012-12-12 18:12:36 -0800 | [diff] [blame] | 2646 | if (chip->use_default_batt_values || !get_prop_batt_present(chip)) |
| 2647 | return DEFAULT_TEMP; |
| 2648 | |
Siddartha Mohanadoss | 3cb2b6b | 2013-06-21 12:07:05 -0700 | [diff] [blame] | 2649 | rc = qpnp_vadc_read(chip->vadc_dev, LR_MUX1_BATT_THERM, &results); |
David Keitel | a2dbfc7 | 2013-06-07 11:10:14 -0700 | [diff] [blame] | 2650 | if (rc) { |
| 2651 | pr_debug("Unable to read batt temperature rc=%d\n", rc); |
| 2652 | return 0; |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 2653 | } |
Xiaozhe Shi | 4c8458a | 2013-11-26 13:00:56 -0800 | [diff] [blame] | 2654 | pr_debug("get_bat_temp %d, %lld\n", |
David Keitel | a2dbfc7 | 2013-06-07 11:10:14 -0700 | [diff] [blame] | 2655 | results.adc_code, results.physical); |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 2656 | |
David Keitel | a2dbfc7 | 2013-06-07 11:10:14 -0700 | [diff] [blame] | 2657 | return (int)results.physical; |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 2658 | } |
| 2659 | |
Anirudh Ghayal | 9dd582d | 2013-06-07 17:48:58 +0530 | [diff] [blame] | 2660 | static int get_prop_cycle_count(struct qpnp_chg_chip *chip) |
| 2661 | { |
| 2662 | union power_supply_propval ret = {0,}; |
| 2663 | |
| 2664 | if (chip->bms_psy) |
| 2665 | chip->bms_psy->get_property(chip->bms_psy, |
| 2666 | POWER_SUPPLY_PROP_CYCLE_COUNT, &ret); |
| 2667 | return ret.intval; |
| 2668 | } |
| 2669 | |
David Keitel | 337bd86 | 2013-07-15 21:42:58 -0700 | [diff] [blame] | 2670 | static int get_prop_vchg_loop(struct qpnp_chg_chip *chip) |
| 2671 | { |
| 2672 | u8 buck_sts; |
| 2673 | int rc; |
| 2674 | |
| 2675 | rc = qpnp_chg_read(chip, &buck_sts, INT_RT_STS(chip->buck_base), 1); |
| 2676 | |
| 2677 | if (rc) { |
| 2678 | pr_err("spmi read failed: addr=%03X, rc=%d\n", |
| 2679 | INT_RT_STS(chip->buck_base), rc); |
| 2680 | return rc; |
| 2681 | } |
| 2682 | pr_debug("buck usb sts 0x%x\n", buck_sts); |
| 2683 | |
| 2684 | return (buck_sts & VCHG_LOOP_IRQ) ? 1 : 0; |
| 2685 | } |
| 2686 | |
Abhijeet Dharmapurikar | 84b13dd | 2013-07-08 18:43:56 -0700 | [diff] [blame] | 2687 | static int get_prop_online(struct qpnp_chg_chip *chip) |
| 2688 | { |
| 2689 | return qpnp_chg_is_batfet_closed(chip); |
| 2690 | } |
| 2691 | |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 2692 | static void |
| 2693 | qpnp_batt_external_power_changed(struct power_supply *psy) |
| 2694 | { |
| 2695 | struct qpnp_chg_chip *chip = container_of(psy, struct qpnp_chg_chip, |
| 2696 | batt_psy); |
| 2697 | union power_supply_propval ret = {0,}; |
| 2698 | |
| 2699 | if (!chip->bms_psy) |
| 2700 | chip->bms_psy = power_supply_get_by_name("bms"); |
| 2701 | |
| 2702 | chip->usb_psy->get_property(chip->usb_psy, |
| 2703 | POWER_SUPPLY_PROP_ONLINE, &ret); |
| 2704 | |
David Keitel | c69f2d6 | 2013-03-17 14:52:35 -0700 | [diff] [blame] | 2705 | /* Only honour requests while USB is present */ |
| 2706 | if (qpnp_chg_is_usb_chg_plugged_in(chip)) { |
David Keitel | 359ab65 | 2013-03-21 17:46:00 -0700 | [diff] [blame] | 2707 | chip->usb_psy->get_property(chip->usb_psy, |
| 2708 | POWER_SUPPLY_PROP_CURRENT_MAX, &ret); |
David Keitel | fd305ee | 2013-07-19 20:19:06 -0700 | [diff] [blame] | 2709 | |
| 2710 | if (chip->prev_usb_max_ma == ret.intval) |
| 2711 | goto skip_set_iusb_max; |
| 2712 | |
Zhenhua Huang | dd61974 | 2013-10-24 10:02:07 +0800 | [diff] [blame] | 2713 | chip->prev_usb_max_ma = ret.intval; |
| 2714 | |
David Keitel | 8747325 | 2013-03-21 14:39:45 -0700 | [diff] [blame] | 2715 | if (ret.intval <= 2 && !chip->use_default_batt_values && |
| 2716 | get_prop_batt_present(chip)) { |
David Keitel | a918560 | 2013-11-12 17:55:48 -0800 | [diff] [blame] | 2717 | if (ret.intval == 2) |
| 2718 | qpnp_chg_usb_suspend_enable(chip, 1); |
David Keitel | 344c697 | 2013-04-09 19:28:21 -0700 | [diff] [blame] | 2719 | qpnp_chg_iusbmax_set(chip, QPNP_CHG_I_MAX_MIN_100); |
David Keitel | c69f2d6 | 2013-03-17 14:52:35 -0700 | [diff] [blame] | 2720 | } else { |
David Keitel | d681cda | 2012-10-02 15:44:21 -0700 | [diff] [blame] | 2721 | qpnp_chg_usb_suspend_enable(chip, 0); |
David Keitel | 820a90d | 2014-03-25 18:18:04 -0700 | [diff] [blame] | 2722 | if (qpnp_is_dc_higher_prio(chip) |
| 2723 | && qpnp_chg_is_dc_chg_plugged_in(chip)) { |
| 2724 | pr_debug("dc has higher priority\n"); |
| 2725 | qpnp_chg_iusbmax_set(chip, |
| 2726 | QPNP_CHG_I_MAX_MIN_100); |
| 2727 | } else if (((ret.intval / 1000) > USB_WALL_THRESHOLD_MA) |
David Keitel | 7ac385e | 2013-08-19 18:02:40 -0700 | [diff] [blame] | 2728 | && (charger_monitor || |
| 2729 | !chip->charger_monitor_checked)) { |
David Keitel | 820a90d | 2014-03-25 18:18:04 -0700 | [diff] [blame] | 2730 | if (!qpnp_is_dc_higher_prio(chip)) |
| 2731 | qpnp_chg_idcmax_set(chip, |
| 2732 | QPNP_CHG_I_MAX_MIN_100); |
David Keitel | cd2e102 | 2014-05-02 17:25:15 -0700 | [diff] [blame] | 2733 | if (unlikely(ext_ovp_present)) { |
David Keitel | 820a90d | 2014-03-25 18:18:04 -0700 | [diff] [blame] | 2734 | qpnp_chg_iusbmax_set(chip, |
| 2735 | OVP_USB_WALL_TRSH_MA); |
David Keitel | cd2e102 | 2014-05-02 17:25:15 -0700 | [diff] [blame] | 2736 | } else if (unlikely( |
| 2737 | ext_ovp_isns_present)) { |
| 2738 | qpnp_chg_iusb_trim_set(chip, 0); |
| 2739 | qpnp_chg_iusbmax_set(chip, |
| 2740 | IOVP_USB_WALL_TRSH_MA); |
| 2741 | } else { |
| 2742 | qpnp_chg_iusbmax_set(chip, |
| 2743 | USB_WALL_THRESHOLD_MA); |
| 2744 | } |
David Keitel | 337bd86 | 2013-07-15 21:42:58 -0700 | [diff] [blame] | 2745 | } else { |
| 2746 | qpnp_chg_iusbmax_set(chip, ret.intval / 1000); |
| 2747 | } |
Abhijeet Dharmapurikar | e749700 | 2013-07-29 11:25:37 -0700 | [diff] [blame] | 2748 | |
| 2749 | if ((chip->flags & POWER_STAGE_WA) |
| 2750 | && ((ret.intval / 1000) > USB_WALL_THRESHOLD_MA) |
Zhenhua Huang | dc33551 | 2013-10-30 11:45:15 +0800 | [diff] [blame] | 2751 | && !chip->power_stage_workaround_running |
| 2752 | && chip->power_stage_workaround_enable) { |
Abhijeet Dharmapurikar | e749700 | 2013-07-29 11:25:37 -0700 | [diff] [blame] | 2753 | chip->power_stage_workaround_running = true; |
| 2754 | pr_debug("usb wall chg inserted starting power stage workaround charger_monitor = %d\n", |
| 2755 | charger_monitor); |
| 2756 | schedule_work(&chip->reduce_power_stage_work); |
| 2757 | } |
David Keitel | c69f2d6 | 2013-03-17 14:52:35 -0700 | [diff] [blame] | 2758 | } |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 2759 | } |
| 2760 | |
David Keitel | fd305ee | 2013-07-19 20:19:06 -0700 | [diff] [blame] | 2761 | skip_set_iusb_max: |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 2762 | pr_debug("end of power supply changed\n"); |
Abhijeet Dharmapurikar | ba936ec | 2013-08-12 13:45:50 -0700 | [diff] [blame] | 2763 | pr_debug("psy changed batt_psy\n"); |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 2764 | power_supply_changed(&chip->batt_psy); |
| 2765 | } |
| 2766 | |
| 2767 | static int |
| 2768 | qpnp_batt_power_get_property(struct power_supply *psy, |
| 2769 | enum power_supply_property psp, |
| 2770 | union power_supply_propval *val) |
| 2771 | { |
| 2772 | struct qpnp_chg_chip *chip = container_of(psy, struct qpnp_chg_chip, |
| 2773 | batt_psy); |
| 2774 | |
| 2775 | switch (psp) { |
| 2776 | case POWER_SUPPLY_PROP_STATUS: |
| 2777 | val->intval = get_prop_batt_status(chip); |
| 2778 | break; |
| 2779 | case POWER_SUPPLY_PROP_CHARGE_TYPE: |
| 2780 | val->intval = get_prop_charge_type(chip); |
| 2781 | break; |
| 2782 | case POWER_SUPPLY_PROP_HEALTH: |
| 2783 | val->intval = get_prop_batt_health(chip); |
| 2784 | break; |
| 2785 | case POWER_SUPPLY_PROP_PRESENT: |
| 2786 | val->intval = get_prop_batt_present(chip); |
| 2787 | break; |
| 2788 | case POWER_SUPPLY_PROP_TECHNOLOGY: |
| 2789 | val->intval = POWER_SUPPLY_TECHNOLOGY_LION; |
| 2790 | break; |
| 2791 | case POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN: |
| 2792 | val->intval = chip->max_voltage_mv * 1000; |
| 2793 | break; |
| 2794 | case POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN: |
| 2795 | val->intval = chip->min_voltage_mv * 1000; |
| 2796 | break; |
| 2797 | case POWER_SUPPLY_PROP_VOLTAGE_NOW: |
| 2798 | val->intval = get_prop_battery_voltage_now(chip); |
| 2799 | break; |
Xiaozhe Shi | bc4f9ee | 2013-08-29 17:03:44 -0700 | [diff] [blame] | 2800 | case POWER_SUPPLY_PROP_VOLTAGE_OCV: |
| 2801 | val->intval = chip->insertion_ocv_uv; |
| 2802 | break; |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 2803 | case POWER_SUPPLY_PROP_TEMP: |
| 2804 | val->intval = get_prop_batt_temp(chip); |
| 2805 | break; |
David Keitel | ec3c0980 | 2013-06-13 13:05:30 -0700 | [diff] [blame] | 2806 | case POWER_SUPPLY_PROP_COOL_TEMP: |
| 2807 | val->intval = chip->cool_bat_decidegc; |
| 2808 | break; |
| 2809 | case POWER_SUPPLY_PROP_WARM_TEMP: |
| 2810 | val->intval = chip->warm_bat_decidegc; |
| 2811 | break; |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 2812 | case POWER_SUPPLY_PROP_CAPACITY: |
| 2813 | val->intval = get_prop_capacity(chip); |
| 2814 | break; |
| 2815 | case POWER_SUPPLY_PROP_CURRENT_NOW: |
| 2816 | val->intval = get_prop_current_now(chip); |
| 2817 | break; |
| 2818 | case POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN: |
| 2819 | val->intval = get_prop_full_design(chip); |
| 2820 | break; |
Anirudh Ghayal | c9d981a | 2013-06-24 09:50:33 +0530 | [diff] [blame] | 2821 | case POWER_SUPPLY_PROP_CHARGE_FULL: |
| 2822 | val->intval = get_prop_charge_full(chip); |
| 2823 | break; |
David Keitel | b80eda8 | 2012-10-15 10:49:11 -0700 | [diff] [blame] | 2824 | case POWER_SUPPLY_PROP_CHARGING_ENABLED: |
David Keitel | 03ee6b5 | 2012-10-22 12:25:19 -0700 | [diff] [blame] | 2825 | val->intval = !(chip->charging_disabled); |
David Keitel | b80eda8 | 2012-10-15 10:49:11 -0700 | [diff] [blame] | 2826 | break; |
David Keitel | be20825 | 2013-01-31 14:49:25 -0800 | [diff] [blame] | 2827 | case POWER_SUPPLY_PROP_SYSTEM_TEMP_LEVEL: |
| 2828 | val->intval = chip->therm_lvl_sel; |
David Keitel | b80eda8 | 2012-10-15 10:49:11 -0700 | [diff] [blame] | 2829 | break; |
Anirudh Ghayal | 9dd582d | 2013-06-07 17:48:58 +0530 | [diff] [blame] | 2830 | case POWER_SUPPLY_PROP_CYCLE_COUNT: |
| 2831 | val->intval = get_prop_cycle_count(chip); |
| 2832 | break; |
David Keitel | 337bd86 | 2013-07-15 21:42:58 -0700 | [diff] [blame] | 2833 | case POWER_SUPPLY_PROP_INPUT_VOLTAGE_REGULATION: |
| 2834 | val->intval = get_prop_vchg_loop(chip); |
| 2835 | break; |
| 2836 | case POWER_SUPPLY_PROP_INPUT_CURRENT_MAX: |
| 2837 | val->intval = qpnp_chg_usb_iusbmax_get(chip) * 1000; |
| 2838 | break; |
David Keitel | 2586f0a | 2013-08-20 10:02:26 -0700 | [diff] [blame] | 2839 | case POWER_SUPPLY_PROP_INPUT_CURRENT_TRIM: |
| 2840 | val->intval = qpnp_chg_iusb_trim_get(chip); |
| 2841 | break; |
Anirudh Ghayal | 42fc8a1 | 2013-10-21 17:42:54 -0700 | [diff] [blame] | 2842 | case POWER_SUPPLY_PROP_INPUT_CURRENT_SETTLED: |
| 2843 | val->intval = chip->aicl_settled; |
| 2844 | break; |
David Keitel | 337bd86 | 2013-07-15 21:42:58 -0700 | [diff] [blame] | 2845 | case POWER_SUPPLY_PROP_VOLTAGE_MIN: |
| 2846 | val->intval = qpnp_chg_vinmin_get(chip) * 1000; |
| 2847 | break; |
Abhijeet Dharmapurikar | 84b13dd | 2013-07-08 18:43:56 -0700 | [diff] [blame] | 2848 | case POWER_SUPPLY_PROP_ONLINE: |
| 2849 | val->intval = get_prop_online(chip); |
| 2850 | break; |
Fenglin Wu | c64e994 | 2014-08-22 13:47:34 +0800 | [diff] [blame] | 2851 | case POWER_SUPPLY_PROP_VCHG_LOOP_DBC_BYPASS: |
| 2852 | val->intval = qpnp_chg_vchg_loop_debouncer_setting_get(chip); |
| 2853 | break; |
| 2854 | |
David Keitel | b80eda8 | 2012-10-15 10:49:11 -0700 | [diff] [blame] | 2855 | default: |
| 2856 | return -EINVAL; |
| 2857 | } |
| 2858 | |
David Keitel | b80eda8 | 2012-10-15 10:49:11 -0700 | [diff] [blame] | 2859 | return 0; |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 2860 | } |
| 2861 | |
David Keitel | 89c1775 | 2013-06-28 14:52:48 -0700 | [diff] [blame] | 2862 | #define BTC_CONFIG_ENABLED BIT(7) |
| 2863 | #define BTC_COLD BIT(1) |
| 2864 | #define BTC_HOT BIT(0) |
| 2865 | static int |
| 2866 | qpnp_chg_bat_if_configure_btc(struct qpnp_chg_chip *chip) |
| 2867 | { |
| 2868 | u8 btc_cfg = 0, mask = 0; |
| 2869 | |
| 2870 | /* Do nothing if battery peripheral not present */ |
| 2871 | if (!chip->bat_if_base) |
| 2872 | return 0; |
| 2873 | |
| 2874 | if ((chip->hot_batt_p == HOT_THD_25_PCT) |
| 2875 | || (chip->hot_batt_p == HOT_THD_35_PCT)) { |
| 2876 | btc_cfg |= btc_value[chip->hot_batt_p]; |
| 2877 | mask |= BTC_HOT; |
| 2878 | } |
| 2879 | |
| 2880 | if ((chip->cold_batt_p == COLD_THD_70_PCT) || |
| 2881 | (chip->cold_batt_p == COLD_THD_80_PCT)) { |
| 2882 | btc_cfg |= btc_value[chip->cold_batt_p]; |
| 2883 | mask |= BTC_COLD; |
| 2884 | } |
| 2885 | |
| 2886 | if (chip->btc_disabled) |
| 2887 | mask |= BTC_CONFIG_ENABLED; |
| 2888 | |
| 2889 | return qpnp_chg_masked_write(chip, |
| 2890 | chip->bat_if_base + BAT_IF_BTC_CTRL, |
| 2891 | mask, btc_cfg, 1); |
| 2892 | } |
| 2893 | |
David Keitel | 5d44fa5 | 2012-12-03 16:37:31 -0800 | [diff] [blame] | 2894 | #define QPNP_CHG_IBATSAFE_MIN_MA 100 |
| 2895 | #define QPNP_CHG_IBATSAFE_MAX_MA 3250 |
| 2896 | #define QPNP_CHG_I_STEP_MA 50 |
| 2897 | #define QPNP_CHG_I_MIN_MA 100 |
| 2898 | #define QPNP_CHG_I_MASK 0x3F |
| 2899 | static int |
| 2900 | qpnp_chg_ibatsafe_set(struct qpnp_chg_chip *chip, int safe_current) |
| 2901 | { |
| 2902 | u8 temp; |
| 2903 | |
| 2904 | if (safe_current < QPNP_CHG_IBATSAFE_MIN_MA |
| 2905 | || safe_current > QPNP_CHG_IBATSAFE_MAX_MA) { |
| 2906 | pr_err("bad mA=%d asked to set\n", safe_current); |
| 2907 | return -EINVAL; |
| 2908 | } |
| 2909 | |
Zhenhua Huang | a2964fb | 2013-07-23 09:06:20 +0800 | [diff] [blame] | 2910 | temp = safe_current / QPNP_CHG_I_STEP_MA; |
David Keitel | 5d44fa5 | 2012-12-03 16:37:31 -0800 | [diff] [blame] | 2911 | return qpnp_chg_masked_write(chip, |
| 2912 | chip->chgr_base + CHGR_IBAT_SAFE, |
| 2913 | QPNP_CHG_I_MASK, temp, 1); |
| 2914 | } |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 2915 | |
| 2916 | #define QPNP_CHG_ITERM_MIN_MA 100 |
| 2917 | #define QPNP_CHG_ITERM_MAX_MA 250 |
| 2918 | #define QPNP_CHG_ITERM_STEP_MA 50 |
| 2919 | #define QPNP_CHG_ITERM_MASK 0x03 |
| 2920 | static int |
| 2921 | qpnp_chg_ibatterm_set(struct qpnp_chg_chip *chip, int term_current) |
| 2922 | { |
| 2923 | u8 temp; |
| 2924 | |
| 2925 | if (term_current < QPNP_CHG_ITERM_MIN_MA |
| 2926 | || term_current > QPNP_CHG_ITERM_MAX_MA) { |
| 2927 | pr_err("bad mA=%d asked to set\n", term_current); |
| 2928 | return -EINVAL; |
| 2929 | } |
| 2930 | |
| 2931 | temp = (term_current - QPNP_CHG_ITERM_MIN_MA) |
| 2932 | / QPNP_CHG_ITERM_STEP_MA; |
| 2933 | return qpnp_chg_masked_write(chip, |
| 2934 | chip->chgr_base + CHGR_IBAT_TERM_CHGR, |
| 2935 | QPNP_CHG_ITERM_MASK, temp, 1); |
| 2936 | } |
| 2937 | |
David Keitel | ff5d047 | 2013-04-04 11:36:06 -0700 | [diff] [blame] | 2938 | #define QPNP_CHG_IBATMAX_MIN 50 |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 2939 | #define QPNP_CHG_IBATMAX_MAX 3250 |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 2940 | static int |
| 2941 | qpnp_chg_ibatmax_set(struct qpnp_chg_chip *chip, int chg_current) |
| 2942 | { |
| 2943 | u8 temp; |
| 2944 | |
| 2945 | if (chg_current < QPNP_CHG_IBATMAX_MIN |
| 2946 | || chg_current > QPNP_CHG_IBATMAX_MAX) { |
| 2947 | pr_err("bad mA=%d asked to set\n", chg_current); |
| 2948 | return -EINVAL; |
| 2949 | } |
David Keitel | ff5d047 | 2013-04-04 11:36:06 -0700 | [diff] [blame] | 2950 | temp = chg_current / QPNP_CHG_I_STEP_MA; |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 2951 | return qpnp_chg_masked_write(chip, chip->chgr_base + CHGR_IBAT_MAX, |
| 2952 | QPNP_CHG_I_MASK, temp, 1); |
| 2953 | } |
| 2954 | |
Anirudh Ghayal | 42fc8a1 | 2013-10-21 17:42:54 -0700 | [diff] [blame] | 2955 | static int |
| 2956 | qpnp_chg_ibatmax_get(struct qpnp_chg_chip *chip, int *chg_current) |
| 2957 | { |
| 2958 | int rc; |
| 2959 | u8 temp; |
| 2960 | |
| 2961 | *chg_current = 0; |
| 2962 | rc = qpnp_chg_read(chip, &temp, chip->chgr_base + CHGR_IBAT_MAX, 1); |
| 2963 | if (rc) { |
| 2964 | pr_err("failed read ibat_max rc=%d\n", rc); |
| 2965 | return rc; |
| 2966 | } |
| 2967 | |
| 2968 | *chg_current = ((temp & QPNP_CHG_I_MASK) * QPNP_CHG_I_STEP_MA); |
| 2969 | |
| 2970 | return 0; |
| 2971 | } |
| 2972 | |
David Keitel | a4b7b59 | 2013-04-11 18:34:35 -0700 | [diff] [blame] | 2973 | #define QPNP_CHG_TCHG_MASK 0x7F |
Abhijeet Dharmapurikar | 11e6156 | 2013-11-19 12:01:29 -0800 | [diff] [blame] | 2974 | #define QPNP_CHG_TCHG_EN_MASK 0x80 |
David Keitel | a4b7b59 | 2013-04-11 18:34:35 -0700 | [diff] [blame] | 2975 | #define QPNP_CHG_TCHG_MIN 4 |
| 2976 | #define QPNP_CHG_TCHG_MAX 512 |
| 2977 | #define QPNP_CHG_TCHG_STEP 4 |
| 2978 | static int qpnp_chg_tchg_max_set(struct qpnp_chg_chip *chip, int minutes) |
| 2979 | { |
| 2980 | u8 temp; |
Abhijeet Dharmapurikar | 11e6156 | 2013-11-19 12:01:29 -0800 | [diff] [blame] | 2981 | int rc; |
David Keitel | a4b7b59 | 2013-04-11 18:34:35 -0700 | [diff] [blame] | 2982 | |
| 2983 | if (minutes < QPNP_CHG_TCHG_MIN || minutes > QPNP_CHG_TCHG_MAX) { |
| 2984 | pr_err("bad max minutes =%d asked to set\n", minutes); |
| 2985 | return -EINVAL; |
| 2986 | } |
| 2987 | |
Abhijeet Dharmapurikar | 11e6156 | 2013-11-19 12:01:29 -0800 | [diff] [blame] | 2988 | rc = qpnp_chg_masked_write(chip, chip->chgr_base + CHGR_TCHG_MAX_EN, |
| 2989 | QPNP_CHG_TCHG_EN_MASK, 0, 1); |
| 2990 | if (rc) { |
| 2991 | pr_err("failed write tchg_max_en rc=%d\n", rc); |
| 2992 | return rc; |
| 2993 | } |
| 2994 | |
| 2995 | temp = minutes / QPNP_CHG_TCHG_STEP - 1; |
| 2996 | |
| 2997 | rc = qpnp_chg_masked_write(chip, chip->chgr_base + CHGR_TCHG_MAX, |
David Keitel | a1d1644 | 2013-05-09 14:47:37 -0700 | [diff] [blame] | 2998 | QPNP_CHG_TCHG_MASK, temp, 1); |
Abhijeet Dharmapurikar | 11e6156 | 2013-11-19 12:01:29 -0800 | [diff] [blame] | 2999 | if (rc) { |
| 3000 | pr_err("failed write tchg_max_en rc=%d\n", rc); |
| 3001 | return rc; |
| 3002 | } |
| 3003 | |
| 3004 | rc = qpnp_chg_masked_write(chip, chip->chgr_base + CHGR_TCHG_MAX_EN, |
| 3005 | QPNP_CHG_TCHG_EN_MASK, QPNP_CHG_TCHG_EN_MASK, 1); |
| 3006 | if (rc) { |
| 3007 | pr_err("failed write tchg_max_en rc=%d\n", rc); |
| 3008 | return rc; |
| 3009 | } |
| 3010 | |
| 3011 | return 0; |
David Keitel | a4b7b59 | 2013-04-11 18:34:35 -0700 | [diff] [blame] | 3012 | } |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 3013 | |
David Keitel | 59fbb76 | 2014-02-05 16:46:24 -0800 | [diff] [blame] | 3014 | static void |
| 3015 | qpnp_chg_set_appropriate_battery_current(struct qpnp_chg_chip *chip) |
| 3016 | { |
| 3017 | unsigned int chg_current = chip->max_bat_chg_current; |
| 3018 | |
| 3019 | if (chip->bat_is_cool) |
| 3020 | chg_current = min(chg_current, chip->cool_bat_chg_ma); |
| 3021 | |
| 3022 | if (chip->bat_is_warm) |
| 3023 | chg_current = min(chg_current, chip->warm_bat_chg_ma); |
| 3024 | |
| 3025 | if (chip->therm_lvl_sel != 0 && chip->thermal_mitigation) |
| 3026 | chg_current = min(chg_current, |
| 3027 | chip->thermal_mitigation[chip->therm_lvl_sel]); |
| 3028 | |
| 3029 | pr_debug("setting %d mA\n", chg_current); |
| 3030 | qpnp_chg_ibatmax_set(chip, chg_current); |
| 3031 | } |
| 3032 | |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 3033 | static int |
| 3034 | qpnp_chg_vddsafe_set(struct qpnp_chg_chip *chip, int voltage) |
| 3035 | { |
| 3036 | u8 temp; |
| 3037 | |
| 3038 | if (voltage < QPNP_CHG_V_MIN_MV |
| 3039 | || voltage > QPNP_CHG_V_MAX_MV) { |
| 3040 | pr_err("bad mV=%d asked to set\n", voltage); |
| 3041 | return -EINVAL; |
| 3042 | } |
| 3043 | temp = (voltage - QPNP_CHG_V_MIN_MV) / QPNP_CHG_V_STEP_MV; |
| 3044 | pr_debug("voltage=%d setting %02x\n", voltage, temp); |
| 3045 | return qpnp_chg_write(chip, &temp, |
| 3046 | chip->chgr_base + CHGR_VDD_SAFE, 1); |
| 3047 | } |
| 3048 | |
wangxl | ee3614a | 2015-02-03 13:13:11 +0800 | [diff] [blame] | 3049 | #ifdef CONFIG_TCMD |
| 3050 | int qpnp_disable_source_current(bool disable) |
| 3051 | { |
| 3052 | int ret =-1; |
| 3053 | if(!the_chip) |
| 3054 | { |
| 3055 | pr_err("called before init\n"); |
| 3056 | return -EINVAL; |
| 3057 | } |
| 3058 | if(disable) |
| 3059 | { |
| 3060 | ret = qpnp_chg_charge_en(the_chip, !disable); |
| 3061 | if(ret) |
| 3062 | { |
| 3063 | printk("TCMD : qpnp_chg_charge_en failed. result = %d", ret); |
| 3064 | return ret; |
| 3065 | } |
| 3066 | else |
| 3067 | { |
| 3068 | ret = qpnp_chg_force_run_on_batt(the_chip, true); |
| 3069 | if(ret) |
| 3070 | printk("TCMD : pnp_chg_force_run_on_batt failed. result = %d", ret); |
| 3071 | } |
| 3072 | } |
| 3073 | else |
| 3074 | { |
| 3075 | ret = qpnp_chg_force_run_on_batt(the_chip, false); |
| 3076 | if(ret) |
| 3077 | { |
| 3078 | printk("TCMD : pnp_chg_force_run_on_batt failed. result = %d", ret); |
| 3079 | return ret; |
| 3080 | } |
| 3081 | else |
| 3082 | { |
| 3083 | ret = qpnp_chg_charge_en(the_chip, !disable); |
| 3084 | if(ret) |
| 3085 | printk("TCMD : qpnp_chg_charge_en failed. result = %d", ret); |
| 3086 | } |
| 3087 | } |
| 3088 | return ret; |
| 3089 | } |
| 3090 | |
| 3091 | EXPORT_SYMBOL(qpnp_disable_source_current); |
| 3092 | |
| 3093 | int qpnp_disable_usb_charging(bool disable) |
| 3094 | { |
| 3095 | int ret =-1; |
| 3096 | if (!the_chip) |
| 3097 | { |
| 3098 | pr_err("called before init\n"); |
| 3099 | return -EINVAL; |
| 3100 | } |
| 3101 | |
| 3102 | ret = qpnp_chg_usb_suspend_enable(the_chip, disable); |
| 3103 | if(disable) |
| 3104 | { |
| 3105 | printk("TCMD : Disable USB charging\n"); |
| 3106 | ret = qpnp_chg_iusbmax_set(the_chip, QPNP_CHG_I_MAX_MIN_100); |
| 3107 | } |
| 3108 | else |
| 3109 | { |
| 3110 | printk("TCMD : Enable USB charging\n"); |
| 3111 | ret = qpnp_chg_iusbmax_set(the_chip, QPNP_CHG_I_MAX_MAX_MA); |
| 3112 | if(ret) |
| 3113 | { |
| 3114 | printk("TCMD : FAILED to set MAX USB current !\n"); |
| 3115 | } |
| 3116 | else |
| 3117 | { |
| 3118 | ret = qpnp_disable_source_current(false); |
| 3119 | if(ret) |
| 3120 | { |
| 3121 | printk("TCMD : FAILED to enable source current !\n"); |
| 3122 | } |
| 3123 | } |
| 3124 | } |
| 3125 | return ret; |
| 3126 | } |
| 3127 | |
| 3128 | EXPORT_SYMBOL(qpnp_disable_usb_charging); |
| 3129 | |
| 3130 | int qpnp_set_max_battery_charge_current(bool enable) |
| 3131 | { |
wangxl | 07c6bc9 | 2014-12-31 10:07:44 +0800 | [diff] [blame^] | 3132 | int ret = -1; |
wangxl | ee3614a | 2015-02-03 13:13:11 +0800 | [diff] [blame] | 3133 | unsigned int chg_current = 0; |
| 3134 | if (!the_chip) |
| 3135 | { |
| 3136 | pr_err("called before init\n"); |
| 3137 | return -EINVAL; |
| 3138 | } |
| 3139 | |
wangxl | 07c6bc9 | 2014-12-31 10:07:44 +0800 | [diff] [blame^] | 3140 | chg_current = (enable) ? 850 : the_chip->warm_bat_chg_ma; |
wangxl | ee3614a | 2015-02-03 13:13:11 +0800 | [diff] [blame] | 3141 | |
| 3142 | ret = qpnp_chg_ibatmax_set(the_chip, chg_current); |
wangxl | 07c6bc9 | 2014-12-31 10:07:44 +0800 | [diff] [blame^] | 3143 | if(ret < 0) { |
| 3144 | return ret; |
| 3145 | } |
| 3146 | ret = qpnp_chg_iusbmax_set(the_chip, 1500); |
wangxl | ee3614a | 2015-02-03 13:13:11 +0800 | [diff] [blame] | 3147 | return ret; |
| 3148 | } |
| 3149 | |
| 3150 | EXPORT_SYMBOL(qpnp_set_max_battery_charge_current); |
wangxl | 07c6bc9 | 2014-12-31 10:07:44 +0800 | [diff] [blame^] | 3151 | |
| 3152 | int qpnp_get_usb_max_current(int* usb_max_current){ |
| 3153 | if (!the_chip) |
| 3154 | { |
| 3155 | pr_err("called before init\n"); |
| 3156 | return -EINVAL; |
| 3157 | } |
| 3158 | |
| 3159 | *usb_max_current = qpnp_chg_usb_iusbmax_get(the_chip); |
| 3160 | return 0; |
| 3161 | } |
| 3162 | |
| 3163 | EXPORT_SYMBOL(qpnp_get_usb_max_current); |
| 3164 | |
| 3165 | int qpnp_get_bat_max_current(int* bat_max_current){ |
| 3166 | int max_current, rc = -1; |
| 3167 | if (!the_chip) |
| 3168 | { |
| 3169 | pr_err("called before init\n"); |
| 3170 | return -EINVAL; |
| 3171 | } |
| 3172 | |
| 3173 | rc = qpnp_chg_ibatmax_get(the_chip,&max_current); |
| 3174 | *bat_max_current = max_current; |
| 3175 | |
| 3176 | return rc; |
| 3177 | } |
| 3178 | |
| 3179 | EXPORT_SYMBOL(qpnp_get_bat_max_current); |
| 3180 | |
| 3181 | int qpnp_set_usb_max_current(int usb_max_current){ |
| 3182 | int ret = -1; |
| 3183 | if (!the_chip) |
| 3184 | { |
| 3185 | pr_err("called before init\n"); |
| 3186 | return -EINVAL; |
| 3187 | } |
| 3188 | |
| 3189 | ret = qpnp_chg_iusbmax_set(the_chip, usb_max_current); |
| 3190 | return ret; |
| 3191 | } |
| 3192 | |
| 3193 | EXPORT_SYMBOL(qpnp_set_usb_max_current); |
| 3194 | |
| 3195 | int qpnp_set_bat_max_current(int bat_max_current){ |
| 3196 | int rc = -1; |
| 3197 | if (!the_chip) |
| 3198 | { |
| 3199 | pr_err("called before init\n"); |
| 3200 | return -EINVAL; |
| 3201 | } |
| 3202 | |
| 3203 | rc = qpnp_chg_ibatmax_set(the_chip, bat_max_current); |
| 3204 | |
| 3205 | return rc; |
| 3206 | } |
| 3207 | |
| 3208 | EXPORT_SYMBOL(qpnp_set_bat_max_current); |
wangxl | ee3614a | 2015-02-03 13:13:11 +0800 | [diff] [blame] | 3209 | #endif |
| 3210 | |
Anirudh Ghayal | 42fc8a1 | 2013-10-21 17:42:54 -0700 | [diff] [blame] | 3211 | #define IBAT_TRIM_TGT_MA 500 |
| 3212 | #define IBAT_TRIM_OFFSET_MASK 0x7F |
| 3213 | #define IBAT_TRIM_GOOD_BIT BIT(7) |
| 3214 | #define IBAT_TRIM_LOW_LIM 20 |
| 3215 | #define IBAT_TRIM_HIGH_LIM 114 |
| 3216 | #define IBAT_TRIM_MEAN 64 |
| 3217 | |
| 3218 | static void |
| 3219 | qpnp_chg_trim_ibat(struct qpnp_chg_chip *chip, u8 ibat_trim) |
| 3220 | { |
| 3221 | int ibat_now_ma, ibat_diff_ma, rc; |
Abhijeet Dharmapurikar | 2d81b26 | 2013-11-14 19:15:05 -0800 | [diff] [blame] | 3222 | struct qpnp_iadc_result i_result; |
| 3223 | enum qpnp_iadc_channels iadc_channel; |
Anirudh Ghayal | 42fc8a1 | 2013-10-21 17:42:54 -0700 | [diff] [blame] | 3224 | |
Abhijeet Dharmapurikar | 2d81b26 | 2013-11-14 19:15:05 -0800 | [diff] [blame] | 3225 | iadc_channel = chip->use_external_rsense ? |
| 3226 | EXTERNAL_RSENSE : INTERNAL_RSENSE; |
| 3227 | rc = qpnp_iadc_read(chip->iadc_dev, iadc_channel, &i_result); |
| 3228 | if (rc) { |
| 3229 | pr_err("Unable to read bat rc=%d\n", rc); |
| 3230 | return; |
| 3231 | } |
| 3232 | |
| 3233 | ibat_now_ma = i_result.result_ua / 1000; |
Anirudh Ghayal | 42fc8a1 | 2013-10-21 17:42:54 -0700 | [diff] [blame] | 3234 | |
| 3235 | if (qpnp_chg_is_ibat_loop_active(chip)) { |
Anirudh Ghayal | 42fc8a1 | 2013-10-21 17:42:54 -0700 | [diff] [blame] | 3236 | ibat_diff_ma = ibat_now_ma - IBAT_TRIM_TGT_MA; |
| 3237 | |
| 3238 | if (abs(ibat_diff_ma) > 50) { |
| 3239 | ibat_trim += (ibat_diff_ma / 20); |
| 3240 | ibat_trim &= IBAT_TRIM_OFFSET_MASK; |
| 3241 | /* reject new ibat_trim if it is outside limits */ |
| 3242 | if (!is_within_range(ibat_trim, IBAT_TRIM_LOW_LIM, |
| 3243 | IBAT_TRIM_HIGH_LIM)) |
| 3244 | return; |
| 3245 | } |
Chunmei Cai | 76705f0 | 2014-12-11 09:48:42 +0800 | [diff] [blame] | 3246 | |
| 3247 | if (chip->type == SMBBP) { |
| 3248 | rc = qpnp_chg_masked_write(chip, |
| 3249 | chip->buck_base + SEC_ACCESS, |
| 3250 | 0xFF, 0xA5, 1); |
| 3251 | if (rc) { |
| 3252 | pr_err("failed to write SEC_ACCESS: %d\n", rc); |
| 3253 | return; |
| 3254 | } |
| 3255 | } |
| 3256 | |
Anirudh Ghayal | 42fc8a1 | 2013-10-21 17:42:54 -0700 | [diff] [blame] | 3257 | ibat_trim |= IBAT_TRIM_GOOD_BIT; |
| 3258 | rc = qpnp_chg_write(chip, &ibat_trim, |
| 3259 | chip->buck_base + BUCK_CTRL_TRIM3, 1); |
| 3260 | if (rc) |
| 3261 | pr_err("failed to set IBAT_TRIM rc=%d\n", rc); |
| 3262 | |
| 3263 | pr_debug("ibat_now=%dmA, itgt=%dmA, ibat_diff=%dmA, ibat_trim=%x\n", |
| 3264 | ibat_now_ma, IBAT_TRIM_TGT_MA, |
| 3265 | ibat_diff_ma, ibat_trim); |
| 3266 | } else { |
| 3267 | pr_debug("ibat loop not active - cannot calibrate ibat\n"); |
| 3268 | } |
| 3269 | } |
| 3270 | |
| 3271 | static int |
| 3272 | qpnp_chg_input_current_settled(struct qpnp_chg_chip *chip) |
| 3273 | { |
| 3274 | int rc, ibat_max_ma; |
| 3275 | u8 reg, chgr_sts, ibat_trim, i; |
Abhijeet Dharmapurikar | 02e5956 | 2014-08-12 19:31:31 -0700 | [diff] [blame] | 3276 | bool usb_present = qpnp_chg_is_usb_chg_plugged_in(chip); |
Anirudh Ghayal | 42fc8a1 | 2013-10-21 17:42:54 -0700 | [diff] [blame] | 3277 | |
Abhijeet Dharmapurikar | 02e5956 | 2014-08-12 19:31:31 -0700 | [diff] [blame] | 3278 | if (!usb_present) { |
| 3279 | pr_debug("Ignoring AICL settled, since USB is removed\n"); |
| 3280 | return 0; |
| 3281 | } |
Anirudh Ghayal | 42fc8a1 | 2013-10-21 17:42:54 -0700 | [diff] [blame] | 3282 | chip->aicl_settled = true; |
| 3283 | |
| 3284 | /* |
| 3285 | * Perform the ibat calibration. |
| 3286 | * This is for devices which have a IBAT_TRIM error |
| 3287 | * which can show IBAT_MAX out of spec. |
| 3288 | */ |
| 3289 | if (!chip->ibat_calibration_enabled) |
| 3290 | return 0; |
| 3291 | |
Chunmei Cai | 76705f0 | 2014-12-11 09:48:42 +0800 | [diff] [blame] | 3292 | if (chip->type != SMBB && chip->type != SMBBP) |
Abhijeet Dharmapurikar | 2d81b26 | 2013-11-14 19:15:05 -0800 | [diff] [blame] | 3293 | return 0; |
| 3294 | |
Anirudh Ghayal | 42fc8a1 | 2013-10-21 17:42:54 -0700 | [diff] [blame] | 3295 | rc = qpnp_chg_read(chip, ®, |
| 3296 | chip->buck_base + BUCK_CTRL_TRIM3, 1); |
| 3297 | if (rc) { |
| 3298 | pr_err("failed to read BUCK_CTRL_TRIM3 rc=%d\n", rc); |
| 3299 | return rc; |
| 3300 | } |
| 3301 | if (reg & IBAT_TRIM_GOOD_BIT) { |
| 3302 | pr_debug("IBAT_TRIM_GOOD bit already set. Quitting!\n"); |
| 3303 | return 0; |
| 3304 | } |
| 3305 | ibat_trim = reg & IBAT_TRIM_OFFSET_MASK; |
| 3306 | |
| 3307 | if (!is_within_range(ibat_trim, IBAT_TRIM_LOW_LIM, |
| 3308 | IBAT_TRIM_HIGH_LIM)) { |
| 3309 | pr_debug("Improper ibat_trim value=%x setting to value=%x\n", |
| 3310 | ibat_trim, IBAT_TRIM_MEAN); |
| 3311 | ibat_trim = IBAT_TRIM_MEAN; |
Chunmei Cai | 76705f0 | 2014-12-11 09:48:42 +0800 | [diff] [blame] | 3312 | |
| 3313 | if (chip->type == SMBBP) { |
| 3314 | rc = qpnp_chg_masked_write(chip, |
| 3315 | chip->buck_base + SEC_ACCESS, |
| 3316 | 0xFF, 0xA5, 1); |
| 3317 | if (rc) { |
| 3318 | pr_err("failed to write SEC_ACCESS: %d\n", rc); |
| 3319 | return rc; |
| 3320 | } |
| 3321 | } |
| 3322 | |
Anirudh Ghayal | 42fc8a1 | 2013-10-21 17:42:54 -0700 | [diff] [blame] | 3323 | rc = qpnp_chg_masked_write(chip, |
| 3324 | chip->buck_base + BUCK_CTRL_TRIM3, |
| 3325 | IBAT_TRIM_OFFSET_MASK, ibat_trim, 1); |
| 3326 | if (rc) { |
| 3327 | pr_err("failed to set ibat_trim to %x rc=%d\n", |
| 3328 | IBAT_TRIM_MEAN, rc); |
| 3329 | return rc; |
| 3330 | } |
| 3331 | } |
| 3332 | |
| 3333 | rc = qpnp_chg_read(chip, &chgr_sts, |
| 3334 | INT_RT_STS(chip->chgr_base), 1); |
| 3335 | if (rc) { |
| 3336 | pr_err("failed to read interrupt sts rc=%d\n", rc); |
| 3337 | return rc; |
| 3338 | } |
| 3339 | if (!(chgr_sts & FAST_CHG_ON_IRQ)) { |
| 3340 | pr_debug("Not in fastchg\n"); |
| 3341 | return rc; |
| 3342 | } |
| 3343 | |
| 3344 | /* save the ibat_max to restore it later */ |
| 3345 | rc = qpnp_chg_ibatmax_get(chip, &ibat_max_ma); |
| 3346 | if (rc) { |
| 3347 | pr_debug("failed to save ibatmax rc=%d\n", rc); |
| 3348 | return rc; |
| 3349 | } |
| 3350 | |
| 3351 | rc = qpnp_chg_ibatmax_set(chip, IBAT_TRIM_TGT_MA); |
| 3352 | if (rc) { |
| 3353 | pr_err("failed to set ibatmax rc=%d\n", rc); |
| 3354 | return rc; |
| 3355 | } |
| 3356 | |
| 3357 | for (i = 0; i < 3; i++) { |
| 3358 | /* |
| 3359 | * ibat settling delay - to make sure the BMS controller |
| 3360 | * has sufficient time to sample ibat for the configured |
| 3361 | * ibat_max |
| 3362 | */ |
| 3363 | msleep(20); |
| 3364 | if (qpnp_chg_is_ibat_loop_active(chip)) |
| 3365 | qpnp_chg_trim_ibat(chip, ibat_trim); |
| 3366 | else |
| 3367 | pr_debug("ibat loop not active\n"); |
Abhijeet Dharmapurikar | 2d81b26 | 2013-11-14 19:15:05 -0800 | [diff] [blame] | 3368 | |
| 3369 | /* read the adjusted ibat_trim for further adjustments */ |
| 3370 | rc = qpnp_chg_read(chip, &ibat_trim, |
| 3371 | chip->buck_base + BUCK_CTRL_TRIM3, 1); |
| 3372 | if (rc) { |
| 3373 | pr_err("failed to read BUCK_CTRL_TRIM3 rc=%d\n", rc); |
| 3374 | break; |
| 3375 | } |
Anirudh Ghayal | 42fc8a1 | 2013-10-21 17:42:54 -0700 | [diff] [blame] | 3376 | } |
Abhijeet Dharmapurikar | 2d81b26 | 2013-11-14 19:15:05 -0800 | [diff] [blame] | 3377 | |
Anirudh Ghayal | 42fc8a1 | 2013-10-21 17:42:54 -0700 | [diff] [blame] | 3378 | /* restore IBATMAX */ |
| 3379 | rc = qpnp_chg_ibatmax_set(chip, ibat_max_ma); |
| 3380 | if (rc) |
| 3381 | pr_err("failed to restore ibatmax rc=%d\n", rc); |
| 3382 | |
| 3383 | return rc; |
| 3384 | } |
| 3385 | |
| 3386 | |
David Keitel | 6dc4ed4 | 2013-05-17 11:08:58 -0700 | [diff] [blame] | 3387 | #define BOOST_MIN_UV 4200000 |
| 3388 | #define BOOST_MAX_UV 5500000 |
| 3389 | #define BOOST_STEP_UV 50000 |
| 3390 | #define BOOST_MIN 16 |
| 3391 | #define N_BOOST_V ((BOOST_MAX_UV - BOOST_MIN_UV) / BOOST_STEP_UV + 1) |
| 3392 | static int |
| 3393 | qpnp_boost_vset(struct qpnp_chg_chip *chip, int voltage) |
| 3394 | { |
| 3395 | u8 reg = 0; |
| 3396 | |
| 3397 | if (voltage < BOOST_MIN_UV || voltage > BOOST_MAX_UV) { |
| 3398 | pr_err("invalid voltage requested %d uV\n", voltage); |
| 3399 | return -EINVAL; |
| 3400 | } |
| 3401 | |
| 3402 | reg = DIV_ROUND_UP(voltage - BOOST_MIN_UV, BOOST_STEP_UV) + BOOST_MIN; |
| 3403 | |
| 3404 | pr_debug("voltage=%d setting %02x\n", voltage, reg); |
| 3405 | return qpnp_chg_write(chip, ®, chip->boost_base + BOOST_VSET, 1); |
| 3406 | } |
| 3407 | |
| 3408 | static int |
| 3409 | qpnp_boost_vget_uv(struct qpnp_chg_chip *chip) |
| 3410 | { |
| 3411 | int rc; |
| 3412 | u8 boost_reg; |
| 3413 | |
| 3414 | rc = qpnp_chg_read(chip, &boost_reg, |
| 3415 | chip->boost_base + BOOST_VSET, 1); |
| 3416 | if (rc) { |
| 3417 | pr_err("failed to read BOOST_VSET rc=%d\n", rc); |
| 3418 | return rc; |
| 3419 | } |
| 3420 | |
| 3421 | if (boost_reg < BOOST_MIN) { |
| 3422 | pr_err("Invalid reading from 0x%x\n", boost_reg); |
| 3423 | return -EINVAL; |
| 3424 | } |
| 3425 | |
| 3426 | return BOOST_MIN_UV + ((boost_reg - BOOST_MIN) * BOOST_STEP_UV); |
| 3427 | } |
| 3428 | |
David Keitel | 454ee84 | 2013-03-08 16:19:11 -0800 | [diff] [blame] | 3429 | static void |
David Keitel | be20825 | 2013-01-31 14:49:25 -0800 | [diff] [blame] | 3430 | qpnp_batt_system_temp_level_set(struct qpnp_chg_chip *chip, int lvl_sel) |
| 3431 | { |
| 3432 | if (lvl_sel >= 0 && lvl_sel < chip->thermal_levels) { |
| 3433 | chip->therm_lvl_sel = lvl_sel; |
| 3434 | if (lvl_sel == (chip->thermal_levels - 1)) { |
| 3435 | /* disable charging if highest value selected */ |
| 3436 | qpnp_chg_buck_control(chip, 0); |
| 3437 | } else { |
| 3438 | qpnp_chg_buck_control(chip, 1); |
| 3439 | qpnp_chg_set_appropriate_battery_current(chip); |
| 3440 | } |
| 3441 | } else { |
| 3442 | pr_err("Unsupported level selected %d\n", lvl_sel); |
| 3443 | } |
| 3444 | } |
| 3445 | |
Chunmei Cai | 661a7cd | 2014-08-05 17:31:54 +0800 | [diff] [blame] | 3446 | /* |
| 3447 | * Increase the SMBB/SMBBP charger overtemp threshold to 150C while firing |
| 3448 | * the flash (and/or torch for PM8x26) when the bharger is used as the |
| 3449 | * power source. |
| 3450 | */ |
| 3451 | static int |
| 3452 | qpnp_chg_temp_threshold_set(struct qpnp_chg_chip *chip, u8 value) |
| 3453 | { |
| 3454 | int rc; |
| 3455 | |
| 3456 | rc = qpnp_chg_masked_write(chip, chip->chgr_base + |
| 3457 | CHGR_CHG_TEMP_THRESH , |
| 3458 | 0xFF, value, 1); |
| 3459 | if (rc) |
| 3460 | pr_err("set CHG_TEMP_THRESH_Flash failed, value = %d, rc = %d\n", |
| 3461 | value, rc); |
| 3462 | |
| 3463 | return rc; |
| 3464 | } |
| 3465 | |
| 3466 | #define CHG_TEMP_THRESH_FOR_FLASH 0xFD |
| 3467 | #define CHG_TEMP_THRESH_DEFAULT 0x94 |
| 3468 | static int |
| 3469 | qpnp_chg_regulator_flash_wa_enable(struct regulator_dev *rdev) |
| 3470 | { |
| 3471 | struct qpnp_chg_chip *chip = rdev_get_drvdata(rdev); |
| 3472 | int rc = 0; |
| 3473 | |
| 3474 | if (chip->flags & BOOST_FLASH_WA) { |
| 3475 | rc = qpnp_chg_temp_threshold_set(chip, |
| 3476 | CHG_TEMP_THRESH_FOR_FLASH); |
| 3477 | if (rc) { |
| 3478 | pr_err("set chg temp threshold failed rc = %d\n", rc); |
| 3479 | return rc; |
| 3480 | } |
| 3481 | } |
| 3482 | chip->is_flash_wa_reg_enabled = true; |
| 3483 | |
| 3484 | return rc; |
| 3485 | } |
| 3486 | |
| 3487 | static int |
| 3488 | qpnp_chg_regulator_flash_wa_disable(struct regulator_dev *rdev) |
| 3489 | { |
| 3490 | struct qpnp_chg_chip *chip = rdev_get_drvdata(rdev); |
| 3491 | int rc = 0; |
| 3492 | |
| 3493 | if (chip->flags & BOOST_FLASH_WA) { |
| 3494 | rc = qpnp_chg_temp_threshold_set(chip, |
| 3495 | chip->chg_temp_thresh_default); |
| 3496 | if (rc) { |
| 3497 | pr_err("set chg temp threshold failed rc = %d\n", rc); |
| 3498 | return rc; |
| 3499 | } |
| 3500 | |
| 3501 | } |
| 3502 | chip->is_flash_wa_reg_enabled = false; |
| 3503 | |
| 3504 | return rc; |
| 3505 | } |
| 3506 | |
| 3507 | static int |
| 3508 | qpnp_chg_regulator_flash_wa_is_enabled(struct regulator_dev *rdev) |
| 3509 | { |
| 3510 | struct qpnp_chg_chip *chip = rdev_get_drvdata(rdev); |
| 3511 | |
| 3512 | return chip->is_flash_wa_reg_enabled; |
| 3513 | } |
| 3514 | |
David Keitel | 6dc4ed4 | 2013-05-17 11:08:58 -0700 | [diff] [blame] | 3515 | /* OTG regulator operations */ |
| 3516 | static int |
| 3517 | qpnp_chg_regulator_otg_enable(struct regulator_dev *rdev) |
| 3518 | { |
| 3519 | struct qpnp_chg_chip *chip = rdev_get_drvdata(rdev); |
| 3520 | |
| 3521 | return switch_usb_to_host_mode(chip); |
| 3522 | } |
| 3523 | |
| 3524 | static int |
| 3525 | qpnp_chg_regulator_otg_disable(struct regulator_dev *rdev) |
| 3526 | { |
| 3527 | struct qpnp_chg_chip *chip = rdev_get_drvdata(rdev); |
| 3528 | |
| 3529 | return switch_usb_to_charge_mode(chip); |
| 3530 | } |
| 3531 | |
| 3532 | static int |
| 3533 | qpnp_chg_regulator_otg_is_enabled(struct regulator_dev *rdev) |
| 3534 | { |
| 3535 | struct qpnp_chg_chip *chip = rdev_get_drvdata(rdev); |
| 3536 | |
| 3537 | return qpnp_chg_is_otg_en_set(chip); |
| 3538 | } |
| 3539 | |
| 3540 | static int |
| 3541 | qpnp_chg_regulator_boost_enable(struct regulator_dev *rdev) |
| 3542 | { |
| 3543 | struct qpnp_chg_chip *chip = rdev_get_drvdata(rdev); |
Chunmei Cai | b3999b2 | 2014-07-11 15:38:13 +0800 | [diff] [blame] | 3544 | int usb_present = qpnp_chg_is_usb_chg_plugged_in(chip); |
David Keitel | 33f5895 | 2013-05-20 16:17:36 -0700 | [diff] [blame] | 3545 | int rc; |
| 3546 | |
Chunmei Cai | b3999b2 | 2014-07-11 15:38:13 +0800 | [diff] [blame] | 3547 | if (usb_present && (chip->flags & BOOST_FLASH_WA)) { |
David Keitel | cd2e102 | 2014-05-02 17:25:15 -0700 | [diff] [blame] | 3548 | |
| 3549 | if (ext_ovp_isns_present && chip->ext_ovp_ic_gpio_enabled) { |
| 3550 | pr_debug("EXT OVP IC ISNS disabled\n"); |
| 3551 | gpio_direction_output(chip->ext_ovp_isns_gpio, 0); |
| 3552 | } |
| 3553 | |
David Keitel | 33f5895 | 2013-05-20 16:17:36 -0700 | [diff] [blame] | 3554 | qpnp_chg_usb_suspend_enable(chip, 1); |
| 3555 | |
| 3556 | rc = qpnp_chg_masked_write(chip, |
| 3557 | chip->usb_chgpth_base + SEC_ACCESS, |
| 3558 | 0xFF, |
| 3559 | 0xA5, 1); |
| 3560 | if (rc) { |
| 3561 | pr_err("failed to write SEC_ACCESS rc=%d\n", rc); |
| 3562 | return rc; |
| 3563 | } |
| 3564 | |
| 3565 | rc = qpnp_chg_masked_write(chip, |
| 3566 | chip->usb_chgpth_base + COMP_OVR1, |
| 3567 | 0xFF, |
| 3568 | 0x2F, 1); |
| 3569 | if (rc) { |
| 3570 | pr_err("failed to write COMP_OVR1 rc=%d\n", rc); |
| 3571 | return rc; |
| 3572 | } |
| 3573 | } |
David Keitel | 6dc4ed4 | 2013-05-17 11:08:58 -0700 | [diff] [blame] | 3574 | |
Chunmei Cai | b3999b2 | 2014-07-11 15:38:13 +0800 | [diff] [blame] | 3575 | rc = qpnp_chg_masked_write(chip, |
David Keitel | 6dc4ed4 | 2013-05-17 11:08:58 -0700 | [diff] [blame] | 3576 | chip->boost_base + BOOST_ENABLE_CONTROL, |
| 3577 | BOOST_PWR_EN, |
| 3578 | BOOST_PWR_EN, 1); |
Chunmei Cai | b3999b2 | 2014-07-11 15:38:13 +0800 | [diff] [blame] | 3579 | if (rc) { |
| 3580 | pr_err("failed to enable boost rc = %d\n", rc); |
| 3581 | return rc; |
| 3582 | } |
| 3583 | /* |
| 3584 | * update battery status when charger is connected and state is full |
| 3585 | */ |
| 3586 | if (usb_present && (chip->chg_done |
| 3587 | || (get_batt_capacity(chip) == 100) |
| 3588 | || (get_prop_batt_status(chip) == |
| 3589 | POWER_SUPPLY_STATUS_FULL))) |
| 3590 | power_supply_changed(&chip->batt_psy); |
| 3591 | |
| 3592 | return rc; |
David Keitel | 6dc4ed4 | 2013-05-17 11:08:58 -0700 | [diff] [blame] | 3593 | } |
| 3594 | |
| 3595 | /* Boost regulator operations */ |
David Keitel | 33f5895 | 2013-05-20 16:17:36 -0700 | [diff] [blame] | 3596 | #define ABOVE_VBAT_WEAK BIT(1) |
David Keitel | 6dc4ed4 | 2013-05-17 11:08:58 -0700 | [diff] [blame] | 3597 | static int |
| 3598 | qpnp_chg_regulator_boost_disable(struct regulator_dev *rdev) |
| 3599 | { |
| 3600 | struct qpnp_chg_chip *chip = rdev_get_drvdata(rdev); |
David Keitel | 33f5895 | 2013-05-20 16:17:36 -0700 | [diff] [blame] | 3601 | int rc; |
| 3602 | u8 vbat_sts; |
David Keitel | 6dc4ed4 | 2013-05-17 11:08:58 -0700 | [diff] [blame] | 3603 | |
David Keitel | 33f5895 | 2013-05-20 16:17:36 -0700 | [diff] [blame] | 3604 | rc = qpnp_chg_masked_write(chip, |
David Keitel | 6dc4ed4 | 2013-05-17 11:08:58 -0700 | [diff] [blame] | 3605 | chip->boost_base + BOOST_ENABLE_CONTROL, |
| 3606 | BOOST_PWR_EN, |
| 3607 | 0, 1); |
David Keitel | 33f5895 | 2013-05-20 16:17:36 -0700 | [diff] [blame] | 3608 | if (rc) { |
| 3609 | pr_err("failed to disable boost rc=%d\n", rc); |
| 3610 | return rc; |
| 3611 | } |
| 3612 | |
| 3613 | rc = qpnp_chg_read(chip, &vbat_sts, |
| 3614 | chip->chgr_base + CHGR_VBAT_STATUS, 1); |
| 3615 | if (rc) { |
| 3616 | pr_err("failed to read bat sts rc=%d\n", rc); |
| 3617 | return rc; |
| 3618 | } |
| 3619 | |
| 3620 | if (!(vbat_sts & ABOVE_VBAT_WEAK) && (chip->flags & BOOST_FLASH_WA)) { |
| 3621 | rc = qpnp_chg_masked_write(chip, |
| 3622 | chip->chgr_base + SEC_ACCESS, |
| 3623 | 0xFF, |
| 3624 | 0xA5, 1); |
| 3625 | if (rc) { |
| 3626 | pr_err("failed to write SEC_ACCESS rc=%d\n", rc); |
| 3627 | return rc; |
| 3628 | } |
| 3629 | |
| 3630 | rc = qpnp_chg_masked_write(chip, |
| 3631 | chip->chgr_base + COMP_OVR1, |
| 3632 | 0xFF, |
| 3633 | 0x20, 1); |
| 3634 | if (rc) { |
| 3635 | pr_err("failed to write COMP_OVR1 rc=%d\n", rc); |
| 3636 | return rc; |
| 3637 | } |
| 3638 | |
| 3639 | usleep(2000); |
| 3640 | |
| 3641 | rc = qpnp_chg_masked_write(chip, |
| 3642 | chip->chgr_base + SEC_ACCESS, |
| 3643 | 0xFF, |
| 3644 | 0xA5, 1); |
| 3645 | if (rc) { |
| 3646 | pr_err("failed to write SEC_ACCESS rc=%d\n", rc); |
| 3647 | return rc; |
| 3648 | } |
| 3649 | |
| 3650 | rc = qpnp_chg_masked_write(chip, |
| 3651 | chip->chgr_base + COMP_OVR1, |
| 3652 | 0xFF, |
| 3653 | 0x00, 1); |
| 3654 | if (rc) { |
| 3655 | pr_err("failed to write COMP_OVR1 rc=%d\n", rc); |
| 3656 | return rc; |
| 3657 | } |
| 3658 | } |
| 3659 | |
| 3660 | if (qpnp_chg_is_usb_chg_plugged_in(chip) |
| 3661 | && (chip->flags & BOOST_FLASH_WA)) { |
| 3662 | rc = qpnp_chg_masked_write(chip, |
| 3663 | chip->usb_chgpth_base + SEC_ACCESS, |
| 3664 | 0xFF, |
| 3665 | 0xA5, 1); |
| 3666 | if (rc) { |
| 3667 | pr_err("failed to write SEC_ACCESS rc=%d\n", rc); |
| 3668 | return rc; |
| 3669 | } |
| 3670 | |
| 3671 | rc = qpnp_chg_masked_write(chip, |
| 3672 | chip->usb_chgpth_base + COMP_OVR1, |
| 3673 | 0xFF, |
| 3674 | 0x00, 1); |
| 3675 | if (rc) { |
| 3676 | pr_err("failed to write COMP_OVR1 rc=%d\n", rc); |
| 3677 | return rc; |
| 3678 | } |
| 3679 | |
| 3680 | usleep(1000); |
| 3681 | |
| 3682 | qpnp_chg_usb_suspend_enable(chip, 0); |
| 3683 | } |
| 3684 | |
Chunmei Cai | b3999b2 | 2014-07-11 15:38:13 +0800 | [diff] [blame] | 3685 | /* |
| 3686 | * When a charger is connected,if state of charge is not full |
| 3687 | * resumeing charging else update battery status |
| 3688 | */ |
| 3689 | if (qpnp_chg_is_usb_chg_plugged_in(chip)) { |
| 3690 | if (get_batt_capacity(chip) < 100 || !chip->chg_done) { |
| 3691 | chip->chg_done = false; |
| 3692 | chip->resuming_charging = true; |
| 3693 | qpnp_chg_set_appropriate_vbatdet(chip); |
| 3694 | } else if (chip->chg_done) { |
| 3695 | power_supply_changed(&chip->batt_psy); |
| 3696 | } |
| 3697 | } |
| 3698 | |
David Keitel | cd2e102 | 2014-05-02 17:25:15 -0700 | [diff] [blame] | 3699 | if (ext_ovp_isns_present && chip->ext_ovp_ic_gpio_enabled) { |
| 3700 | pr_debug("EXT OVP IC ISNS enable\n"); |
| 3701 | gpio_direction_output(chip->ext_ovp_isns_gpio, 1); |
| 3702 | } |
| 3703 | |
David Keitel | 33f5895 | 2013-05-20 16:17:36 -0700 | [diff] [blame] | 3704 | return rc; |
David Keitel | 6dc4ed4 | 2013-05-17 11:08:58 -0700 | [diff] [blame] | 3705 | } |
| 3706 | |
| 3707 | static int |
| 3708 | qpnp_chg_regulator_boost_is_enabled(struct regulator_dev *rdev) |
| 3709 | { |
| 3710 | struct qpnp_chg_chip *chip = rdev_get_drvdata(rdev); |
| 3711 | |
| 3712 | return qpnp_chg_is_boost_en_set(chip); |
| 3713 | } |
| 3714 | |
| 3715 | static int |
| 3716 | qpnp_chg_regulator_boost_set_voltage(struct regulator_dev *rdev, |
| 3717 | int min_uV, int max_uV, unsigned *selector) |
| 3718 | { |
| 3719 | int uV = min_uV; |
| 3720 | int rc; |
| 3721 | struct qpnp_chg_chip *chip = rdev_get_drvdata(rdev); |
| 3722 | |
| 3723 | if (uV < BOOST_MIN_UV && max_uV >= BOOST_MIN_UV) |
| 3724 | uV = BOOST_MIN_UV; |
| 3725 | |
| 3726 | |
| 3727 | if (uV < BOOST_MIN_UV || uV > BOOST_MAX_UV) { |
| 3728 | pr_err("request %d uV is out of bounds\n", uV); |
| 3729 | return -EINVAL; |
| 3730 | } |
| 3731 | |
| 3732 | *selector = DIV_ROUND_UP(uV - BOOST_MIN_UV, BOOST_STEP_UV); |
| 3733 | if ((*selector * BOOST_STEP_UV + BOOST_MIN_UV) > max_uV) { |
| 3734 | pr_err("no available setpoint [%d, %d] uV\n", min_uV, max_uV); |
| 3735 | return -EINVAL; |
| 3736 | } |
| 3737 | |
| 3738 | rc = qpnp_boost_vset(chip, uV); |
| 3739 | |
| 3740 | return rc; |
| 3741 | } |
| 3742 | |
| 3743 | static int |
| 3744 | qpnp_chg_regulator_boost_get_voltage(struct regulator_dev *rdev) |
| 3745 | { |
| 3746 | struct qpnp_chg_chip *chip = rdev_get_drvdata(rdev); |
| 3747 | |
| 3748 | return qpnp_boost_vget_uv(chip); |
| 3749 | } |
| 3750 | |
| 3751 | static int |
| 3752 | qpnp_chg_regulator_boost_list_voltage(struct regulator_dev *rdev, |
| 3753 | unsigned selector) |
| 3754 | { |
| 3755 | if (selector >= N_BOOST_V) |
| 3756 | return 0; |
| 3757 | |
| 3758 | return BOOST_MIN_UV + (selector * BOOST_STEP_UV); |
| 3759 | } |
| 3760 | |
Chunmei Cai | 661a7cd | 2014-08-05 17:31:54 +0800 | [diff] [blame] | 3761 | static struct regulator_ops qpnp_chg_flash_wa_reg_ops = { |
| 3762 | .enable = qpnp_chg_regulator_flash_wa_enable, |
| 3763 | .disable = qpnp_chg_regulator_flash_wa_disable, |
| 3764 | .is_enabled = qpnp_chg_regulator_flash_wa_is_enabled, |
| 3765 | }; |
| 3766 | |
David Keitel | 6dc4ed4 | 2013-05-17 11:08:58 -0700 | [diff] [blame] | 3767 | static struct regulator_ops qpnp_chg_otg_reg_ops = { |
| 3768 | .enable = qpnp_chg_regulator_otg_enable, |
| 3769 | .disable = qpnp_chg_regulator_otg_disable, |
| 3770 | .is_enabled = qpnp_chg_regulator_otg_is_enabled, |
| 3771 | }; |
| 3772 | |
| 3773 | static struct regulator_ops qpnp_chg_boost_reg_ops = { |
| 3774 | .enable = qpnp_chg_regulator_boost_enable, |
| 3775 | .disable = qpnp_chg_regulator_boost_disable, |
| 3776 | .is_enabled = qpnp_chg_regulator_boost_is_enabled, |
| 3777 | .set_voltage = qpnp_chg_regulator_boost_set_voltage, |
| 3778 | .get_voltage = qpnp_chg_regulator_boost_get_voltage, |
| 3779 | .list_voltage = qpnp_chg_regulator_boost_list_voltage, |
| 3780 | }; |
| 3781 | |
Abhijeet Dharmapurikar | e17309f1 | 2013-08-05 12:50:21 -0700 | [diff] [blame] | 3782 | static int |
David Keitel | 6e63bd5 | 2013-09-06 18:00:03 -0700 | [diff] [blame] | 3783 | qpnp_chg_bat_if_batfet_reg_enabled(struct qpnp_chg_chip *chip) |
Abhijeet Dharmapurikar | e17309f1 | 2013-08-05 12:50:21 -0700 | [diff] [blame] | 3784 | { |
David Keitel | 9eca8ac | 2013-09-06 14:18:36 -0700 | [diff] [blame] | 3785 | int rc = 0; |
David Keitel | 6e63bd5 | 2013-09-06 18:00:03 -0700 | [diff] [blame] | 3786 | u8 reg = 0; |
Abhijeet Dharmapurikar | e17309f1 | 2013-08-05 12:50:21 -0700 | [diff] [blame] | 3787 | |
David Keitel | cadbc28 | 2013-09-26 11:39:14 -0700 | [diff] [blame] | 3788 | if (!chip->bat_if_base) |
| 3789 | return rc; |
| 3790 | |
David Keitel | 9eca8ac | 2013-09-06 14:18:36 -0700 | [diff] [blame] | 3791 | if (chip->type == SMBB) |
| 3792 | rc = qpnp_chg_read(chip, ®, |
Abhijeet Dharmapurikar | e17309f1 | 2013-08-05 12:50:21 -0700 | [diff] [blame] | 3793 | chip->bat_if_base + CHGR_BAT_IF_SPARE, 1); |
David Keitel | 9eca8ac | 2013-09-06 14:18:36 -0700 | [diff] [blame] | 3794 | else |
| 3795 | rc = qpnp_chg_read(chip, ®, |
| 3796 | chip->bat_if_base + CHGR_BAT_IF_BATFET_CTRL4, 1); |
David Keitel | 6e63bd5 | 2013-09-06 18:00:03 -0700 | [diff] [blame] | 3797 | |
Abhijeet Dharmapurikar | e17309f1 | 2013-08-05 12:50:21 -0700 | [diff] [blame] | 3798 | if (rc) { |
| 3799 | pr_err("failed to read batt_if rc=%d\n", rc); |
| 3800 | return rc; |
| 3801 | } |
| 3802 | |
David Keitel | 6e63bd5 | 2013-09-06 18:00:03 -0700 | [diff] [blame] | 3803 | if ((reg & BATFET_LPM_MASK) == BATFET_NO_LPM) |
Abhijeet Dharmapurikar | e17309f1 | 2013-08-05 12:50:21 -0700 | [diff] [blame] | 3804 | return 1; |
| 3805 | |
| 3806 | return 0; |
| 3807 | } |
| 3808 | |
David Keitel | 6e63bd5 | 2013-09-06 18:00:03 -0700 | [diff] [blame] | 3809 | static int |
| 3810 | qpnp_chg_regulator_batfet_enable(struct regulator_dev *rdev) |
| 3811 | { |
| 3812 | struct qpnp_chg_chip *chip = rdev_get_drvdata(rdev); |
| 3813 | int rc = 0; |
| 3814 | |
| 3815 | mutex_lock(&chip->batfet_vreg_lock); |
| 3816 | /* Only enable if not already enabled */ |
| 3817 | if (!qpnp_chg_bat_if_batfet_reg_enabled(chip)) { |
| 3818 | rc = qpnp_chg_regulator_batfet_set(chip, 1); |
| 3819 | if (rc) |
| 3820 | pr_err("failed to write to batt_if rc=%d\n", rc); |
| 3821 | } |
| 3822 | |
| 3823 | chip->batfet_ext_en = true; |
| 3824 | mutex_unlock(&chip->batfet_vreg_lock); |
| 3825 | |
| 3826 | return rc; |
| 3827 | } |
| 3828 | |
| 3829 | static int |
| 3830 | qpnp_chg_regulator_batfet_disable(struct regulator_dev *rdev) |
| 3831 | { |
| 3832 | struct qpnp_chg_chip *chip = rdev_get_drvdata(rdev); |
| 3833 | int rc = 0; |
| 3834 | |
| 3835 | mutex_lock(&chip->batfet_vreg_lock); |
| 3836 | /* Don't allow disable if charger connected */ |
| 3837 | if (!qpnp_chg_is_usb_chg_plugged_in(chip) && |
| 3838 | !qpnp_chg_is_dc_chg_plugged_in(chip)) { |
| 3839 | rc = qpnp_chg_regulator_batfet_set(chip, 0); |
| 3840 | if (rc) |
| 3841 | pr_err("failed to write to batt_if rc=%d\n", rc); |
| 3842 | } |
| 3843 | |
| 3844 | chip->batfet_ext_en = false; |
| 3845 | mutex_unlock(&chip->batfet_vreg_lock); |
| 3846 | |
| 3847 | return rc; |
| 3848 | } |
| 3849 | |
| 3850 | static int |
| 3851 | qpnp_chg_regulator_batfet_is_enabled(struct regulator_dev *rdev) |
| 3852 | { |
| 3853 | struct qpnp_chg_chip *chip = rdev_get_drvdata(rdev); |
| 3854 | |
| 3855 | return chip->batfet_ext_en; |
| 3856 | } |
| 3857 | |
Abhijeet Dharmapurikar | e17309f1 | 2013-08-05 12:50:21 -0700 | [diff] [blame] | 3858 | static struct regulator_ops qpnp_chg_batfet_vreg_ops = { |
| 3859 | .enable = qpnp_chg_regulator_batfet_enable, |
| 3860 | .disable = qpnp_chg_regulator_batfet_disable, |
| 3861 | .is_enabled = qpnp_chg_regulator_batfet_is_enabled, |
| 3862 | }; |
| 3863 | |
Xiaozhe Shi | 20b7abf | 2013-08-15 13:36:55 -0700 | [diff] [blame] | 3864 | #define MIN_DELTA_MV_TO_INCREASE_VDD_MAX 8 |
| 3865 | #define MAX_DELTA_VDD_MAX_MV 80 |
| 3866 | #define VDD_MAX_CENTER_OFFSET 4 |
Xiaozhe Shi | 79a8c49 | 2013-05-24 13:09:23 -0700 | [diff] [blame] | 3867 | static void |
| 3868 | qpnp_chg_adjust_vddmax(struct qpnp_chg_chip *chip, int vbat_mv) |
| 3869 | { |
| 3870 | int delta_mv, closest_delta_mv, sign; |
| 3871 | |
Xiaozhe Shi | 20b7abf | 2013-08-15 13:36:55 -0700 | [diff] [blame] | 3872 | delta_mv = chip->max_voltage_mv - VDD_MAX_CENTER_OFFSET - vbat_mv; |
Xiaozhe Shi | 79a8c49 | 2013-05-24 13:09:23 -0700 | [diff] [blame] | 3873 | if (delta_mv > 0 && delta_mv < MIN_DELTA_MV_TO_INCREASE_VDD_MAX) { |
| 3874 | pr_debug("vbat is not low enough to increase vdd\n"); |
| 3875 | return; |
| 3876 | } |
| 3877 | |
| 3878 | sign = delta_mv > 0 ? 1 : -1; |
Xiaozhe Shi | 20b7abf | 2013-08-15 13:36:55 -0700 | [diff] [blame] | 3879 | closest_delta_mv = ((delta_mv + sign * QPNP_CHG_BUCK_TRIM1_STEP / 2) |
| 3880 | / QPNP_CHG_BUCK_TRIM1_STEP) * QPNP_CHG_BUCK_TRIM1_STEP; |
Xiaozhe Shi | 79a8c49 | 2013-05-24 13:09:23 -0700 | [diff] [blame] | 3881 | pr_debug("max_voltage = %d, vbat_mv = %d, delta_mv = %d, closest = %d\n", |
| 3882 | chip->max_voltage_mv, vbat_mv, |
| 3883 | delta_mv, closest_delta_mv); |
| 3884 | chip->delta_vddmax_mv = clamp(chip->delta_vddmax_mv + closest_delta_mv, |
| 3885 | -MAX_DELTA_VDD_MAX_MV, MAX_DELTA_VDD_MAX_MV); |
| 3886 | pr_debug("using delta_vddmax_mv = %d\n", chip->delta_vddmax_mv); |
| 3887 | qpnp_chg_set_appropriate_vddmax(chip); |
| 3888 | } |
| 3889 | |
David Keitel | 9fd0738 | 2013-05-02 15:37:44 -0700 | [diff] [blame] | 3890 | #define CONSECUTIVE_COUNT 3 |
Abhijeet Dharmapurikar | 8a68b17 | 2013-08-12 13:55:58 -0700 | [diff] [blame] | 3891 | #define VBATDET_MAX_ERR_MV 50 |
David Keitel | 9fd0738 | 2013-05-02 15:37:44 -0700 | [diff] [blame] | 3892 | static void |
| 3893 | qpnp_eoc_work(struct work_struct *work) |
| 3894 | { |
| 3895 | struct delayed_work *dwork = to_delayed_work(work); |
| 3896 | struct qpnp_chg_chip *chip = container_of(dwork, |
| 3897 | struct qpnp_chg_chip, eoc_work); |
| 3898 | static int count; |
Abhijeet Dharmapurikar | 8a68b17 | 2013-08-12 13:55:58 -0700 | [diff] [blame] | 3899 | static int vbat_low_count; |
David Keitel | 9fd0738 | 2013-05-02 15:37:44 -0700 | [diff] [blame] | 3900 | int ibat_ma, vbat_mv, rc = 0; |
| 3901 | u8 batt_sts = 0, buck_sts = 0, chg_sts = 0; |
Abhijeet Dharmapurikar | 8a68b17 | 2013-08-12 13:55:58 -0700 | [diff] [blame] | 3902 | bool vbat_lower_than_vbatdet; |
David Keitel | 9fd0738 | 2013-05-02 15:37:44 -0700 | [diff] [blame] | 3903 | |
Abhijeet Dharmapurikar | 8a68b17 | 2013-08-12 13:55:58 -0700 | [diff] [blame] | 3904 | pm_stay_awake(chip->dev); |
David Keitel | 9fd0738 | 2013-05-02 15:37:44 -0700 | [diff] [blame] | 3905 | qpnp_chg_charge_en(chip, !chip->charging_disabled); |
| 3906 | |
| 3907 | rc = qpnp_chg_read(chip, &batt_sts, INT_RT_STS(chip->bat_if_base), 1); |
| 3908 | if (rc) { |
| 3909 | pr_err("failed to read batt_if rc=%d\n", rc); |
| 3910 | return; |
| 3911 | } |
| 3912 | |
| 3913 | rc = qpnp_chg_read(chip, &buck_sts, INT_RT_STS(chip->buck_base), 1); |
| 3914 | if (rc) { |
| 3915 | pr_err("failed to read buck rc=%d\n", rc); |
| 3916 | return; |
| 3917 | } |
| 3918 | |
| 3919 | rc = qpnp_chg_read(chip, &chg_sts, INT_RT_STS(chip->chgr_base), 1); |
| 3920 | if (rc) { |
| 3921 | pr_err("failed to read chg_sts rc=%d\n", rc); |
| 3922 | return; |
| 3923 | } |
| 3924 | |
| 3925 | pr_debug("chgr: 0x%x, bat_if: 0x%x, buck: 0x%x\n", |
| 3926 | chg_sts, batt_sts, buck_sts); |
| 3927 | |
| 3928 | if (!qpnp_chg_is_usb_chg_plugged_in(chip) && |
| 3929 | !qpnp_chg_is_dc_chg_plugged_in(chip)) { |
| 3930 | pr_debug("no chg connected, stopping\n"); |
| 3931 | goto stop_eoc; |
| 3932 | } |
| 3933 | |
| 3934 | if ((batt_sts & BAT_FET_ON_IRQ) && (chg_sts & FAST_CHG_ON_IRQ |
| 3935 | || chg_sts & TRKL_CHG_ON_IRQ)) { |
| 3936 | ibat_ma = get_prop_current_now(chip) / 1000; |
| 3937 | vbat_mv = get_prop_battery_voltage_now(chip) / 1000; |
Xiaozhe Shi | 22af5fe | 2013-05-29 10:38:30 -0700 | [diff] [blame] | 3938 | |
| 3939 | pr_debug("ibat_ma = %d vbat_mv = %d term_current_ma = %d\n", |
| 3940 | ibat_ma, vbat_mv, chip->term_current); |
| 3941 | |
Abhijeet Dharmapurikar | 8a68b17 | 2013-08-12 13:55:58 -0700 | [diff] [blame] | 3942 | vbat_lower_than_vbatdet = !(chg_sts & VBAT_DET_LOW_IRQ); |
| 3943 | if (vbat_lower_than_vbatdet && vbat_mv < |
| 3944 | (chip->max_voltage_mv - chip->resume_delta_mv |
David Keitel | bdbae45 | 2014-01-14 17:19:50 -0800 | [diff] [blame] | 3945 | - chip->vbatdet_max_err_mv)) { |
Abhijeet Dharmapurikar | 8a68b17 | 2013-08-12 13:55:58 -0700 | [diff] [blame] | 3946 | vbat_low_count++; |
| 3947 | pr_debug("woke up too early vbat_mv = %d, max_mv = %d, resume_mv = %d tolerance_mv = %d low_count = %d\n", |
| 3948 | vbat_mv, chip->max_voltage_mv, |
| 3949 | chip->resume_delta_mv, |
David Keitel | bdbae45 | 2014-01-14 17:19:50 -0800 | [diff] [blame] | 3950 | chip->vbatdet_max_err_mv, |
| 3951 | vbat_low_count); |
Abhijeet Dharmapurikar | 8a68b17 | 2013-08-12 13:55:58 -0700 | [diff] [blame] | 3952 | if (vbat_low_count >= CONSECUTIVE_COUNT) { |
| 3953 | pr_debug("woke up too early stopping\n"); |
| 3954 | qpnp_chg_enable_irq(&chip->chg_vbatdet_lo); |
| 3955 | goto stop_eoc; |
| 3956 | } else { |
| 3957 | goto check_again_later; |
| 3958 | } |
| 3959 | } else { |
| 3960 | vbat_low_count = 0; |
Xiaozhe Shi | 22af5fe | 2013-05-29 10:38:30 -0700 | [diff] [blame] | 3961 | } |
| 3962 | |
Xiaozhe Shi | 79a8c49 | 2013-05-24 13:09:23 -0700 | [diff] [blame] | 3963 | if (buck_sts & VDD_LOOP_IRQ) |
| 3964 | qpnp_chg_adjust_vddmax(chip, vbat_mv); |
| 3965 | |
Xiaozhe Shi | 22af5fe | 2013-05-29 10:38:30 -0700 | [diff] [blame] | 3966 | if (!(buck_sts & VDD_LOOP_IRQ)) { |
| 3967 | pr_debug("Not in CV\n"); |
David Keitel | 9fd0738 | 2013-05-02 15:37:44 -0700 | [diff] [blame] | 3968 | count = 0; |
Xiaozhe Shi | 22af5fe | 2013-05-29 10:38:30 -0700 | [diff] [blame] | 3969 | } else if ((ibat_ma * -1) > chip->term_current) { |
| 3970 | pr_debug("Not at EOC, battery current too high\n"); |
| 3971 | count = 0; |
| 3972 | } else if (ibat_ma > 0) { |
| 3973 | pr_debug("Charging but system demand increased\n"); |
| 3974 | count = 0; |
| 3975 | } else { |
David Keitel | 9fd0738 | 2013-05-02 15:37:44 -0700 | [diff] [blame] | 3976 | if (count == CONSECUTIVE_COUNT) { |
Xiaozhe Shi | e850448 | 2013-10-30 18:10:31 -0700 | [diff] [blame] | 3977 | if (!chip->bat_is_cool && !chip->bat_is_warm) { |
| 3978 | pr_info("End of Charging\n"); |
| 3979 | chip->chg_done = true; |
| 3980 | } else { |
| 3981 | pr_info("stop charging: battery is %s, vddmax = %d reached\n", |
| 3982 | chip->bat_is_cool |
| 3983 | ? "cool" : "warm", |
| 3984 | qpnp_chg_vddmax_get(chip)); |
| 3985 | } |
David Keitel | 9fd0738 | 2013-05-02 15:37:44 -0700 | [diff] [blame] | 3986 | qpnp_chg_charge_en(chip, 0); |
Abhijeet Dharmapurikar | 8a68b17 | 2013-08-12 13:55:58 -0700 | [diff] [blame] | 3987 | /* sleep for a second before enabling */ |
| 3988 | msleep(2000); |
| 3989 | qpnp_chg_charge_en(chip, |
| 3990 | !chip->charging_disabled); |
Abhijeet Dharmapurikar | ba936ec | 2013-08-12 13:45:50 -0700 | [diff] [blame] | 3991 | pr_debug("psy changed batt_psy\n"); |
David Keitel | 9fd0738 | 2013-05-02 15:37:44 -0700 | [diff] [blame] | 3992 | power_supply_changed(&chip->batt_psy); |
David Keitel | 47185a6 | 2013-05-15 18:54:10 -0700 | [diff] [blame] | 3993 | qpnp_chg_enable_irq(&chip->chg_vbatdet_lo); |
David Keitel | 9fd0738 | 2013-05-02 15:37:44 -0700 | [diff] [blame] | 3994 | goto stop_eoc; |
| 3995 | } else { |
| 3996 | count += 1; |
| 3997 | pr_debug("EOC count = %d\n", count); |
| 3998 | } |
David Keitel | 9fd0738 | 2013-05-02 15:37:44 -0700 | [diff] [blame] | 3999 | } |
| 4000 | } else { |
| 4001 | pr_debug("not charging\n"); |
Xiaozhe Shi | 8fbbadc | 2013-07-31 10:59:09 -0700 | [diff] [blame] | 4002 | goto stop_eoc; |
David Keitel | 9fd0738 | 2013-05-02 15:37:44 -0700 | [diff] [blame] | 4003 | } |
| 4004 | |
Abhijeet Dharmapurikar | 8a68b17 | 2013-08-12 13:55:58 -0700 | [diff] [blame] | 4005 | check_again_later: |
David Keitel | 9fd0738 | 2013-05-02 15:37:44 -0700 | [diff] [blame] | 4006 | schedule_delayed_work(&chip->eoc_work, |
| 4007 | msecs_to_jiffies(EOC_CHECK_PERIOD_MS)); |
| 4008 | return; |
| 4009 | |
| 4010 | stop_eoc: |
Abhijeet Dharmapurikar | 8a68b17 | 2013-08-12 13:55:58 -0700 | [diff] [blame] | 4011 | vbat_low_count = 0; |
David Keitel | 9fd0738 | 2013-05-02 15:37:44 -0700 | [diff] [blame] | 4012 | count = 0; |
Abhijeet Dharmapurikar | 8a68b17 | 2013-08-12 13:55:58 -0700 | [diff] [blame] | 4013 | pm_relax(chip->dev); |
David Keitel | 9fd0738 | 2013-05-02 15:37:44 -0700 | [diff] [blame] | 4014 | } |
| 4015 | |
Xiaozhe Shi | 8fbbadc | 2013-07-31 10:59:09 -0700 | [diff] [blame] | 4016 | static void |
Xiaozhe Shi | bc4f9ee | 2013-08-29 17:03:44 -0700 | [diff] [blame] | 4017 | qpnp_chg_insertion_ocv_work(struct work_struct *work) |
| 4018 | { |
| 4019 | struct qpnp_chg_chip *chip = container_of(work, |
| 4020 | struct qpnp_chg_chip, insertion_ocv_work); |
| 4021 | u8 bat_if_sts = 0, charge_en = 0; |
| 4022 | int rc; |
| 4023 | |
| 4024 | chip->insertion_ocv_uv = get_prop_battery_voltage_now(chip); |
| 4025 | |
| 4026 | rc = qpnp_chg_read(chip, &bat_if_sts, INT_RT_STS(chip->bat_if_base), 1); |
| 4027 | if (rc) |
| 4028 | pr_err("failed to read bat_if sts %d\n", rc); |
| 4029 | |
| 4030 | rc = qpnp_chg_read(chip, &charge_en, |
| 4031 | chip->chgr_base + CHGR_CHG_CTRL, 1); |
| 4032 | if (rc) |
| 4033 | pr_err("failed to read bat_if sts %d\n", rc); |
| 4034 | |
| 4035 | pr_debug("batfet sts = %02x, charge_en = %02x ocv = %d\n", |
| 4036 | bat_if_sts, charge_en, chip->insertion_ocv_uv); |
| 4037 | qpnp_chg_charge_en(chip, !chip->charging_disabled); |
| 4038 | pr_debug("psy changed batt_psy\n"); |
| 4039 | power_supply_changed(&chip->batt_psy); |
| 4040 | } |
| 4041 | |
| 4042 | static void |
Xiaozhe Shi | 8fbbadc | 2013-07-31 10:59:09 -0700 | [diff] [blame] | 4043 | qpnp_chg_soc_check_work(struct work_struct *work) |
| 4044 | { |
| 4045 | struct qpnp_chg_chip *chip = container_of(work, |
| 4046 | struct qpnp_chg_chip, soc_check_work); |
| 4047 | |
| 4048 | get_prop_capacity(chip); |
| 4049 | } |
| 4050 | |
David Keitel | 0c1a453 | 2013-03-21 16:39:06 -0700 | [diff] [blame] | 4051 | #define HYSTERISIS_DECIDEGC 20 |
David Keitel | 454ee84 | 2013-03-08 16:19:11 -0800 | [diff] [blame] | 4052 | static void |
| 4053 | qpnp_chg_adc_notification(enum qpnp_tm_state state, void *ctx) |
| 4054 | { |
| 4055 | struct qpnp_chg_chip *chip = ctx; |
| 4056 | bool bat_warm = 0, bat_cool = 0; |
David Keitel | 1219a80 | 2013-03-21 16:37:21 -0700 | [diff] [blame] | 4057 | int temp; |
David Keitel | 454ee84 | 2013-03-08 16:19:11 -0800 | [diff] [blame] | 4058 | |
| 4059 | if (state >= ADC_TM_STATE_NUM) { |
| 4060 | pr_err("invalid notification %d\n", state); |
| 4061 | return; |
| 4062 | } |
| 4063 | |
David Keitel | 1219a80 | 2013-03-21 16:37:21 -0700 | [diff] [blame] | 4064 | temp = get_prop_batt_temp(chip); |
David Keitel | 454ee84 | 2013-03-08 16:19:11 -0800 | [diff] [blame] | 4065 | |
David Keitel | 1219a80 | 2013-03-21 16:37:21 -0700 | [diff] [blame] | 4066 | pr_debug("temp = %d state = %s\n", temp, |
| 4067 | state == ADC_TM_WARM_STATE ? "warm" : "cool"); |
| 4068 | |
| 4069 | if (state == ADC_TM_WARM_STATE) { |
David Keitel | 410ee0d | 2014-02-20 16:48:04 -0800 | [diff] [blame] | 4070 | if (temp >= chip->warm_bat_decidegc) { |
David Keitel | 3e37e5a | 2013-04-18 10:42:30 -0700 | [diff] [blame] | 4071 | /* Normal to warm */ |
David Keitel | 454ee84 | 2013-03-08 16:19:11 -0800 | [diff] [blame] | 4072 | bat_warm = true; |
| 4073 | bat_cool = false; |
| 4074 | chip->adc_param.low_temp = |
David Keitel | 0c1a453 | 2013-03-21 16:39:06 -0700 | [diff] [blame] | 4075 | chip->warm_bat_decidegc - HYSTERISIS_DECIDEGC; |
David Keitel | 1219a80 | 2013-03-21 16:37:21 -0700 | [diff] [blame] | 4076 | chip->adc_param.state_request = |
| 4077 | ADC_TM_COOL_THR_ENABLE; |
David Keitel | 410ee0d | 2014-02-20 16:48:04 -0800 | [diff] [blame] | 4078 | } else if (temp >= |
David Keitel | 1219a80 | 2013-03-21 16:37:21 -0700 | [diff] [blame] | 4079 | chip->cool_bat_decidegc + HYSTERISIS_DECIDEGC){ |
David Keitel | 3e37e5a | 2013-04-18 10:42:30 -0700 | [diff] [blame] | 4080 | /* Cool to normal */ |
David Keitel | 454ee84 | 2013-03-08 16:19:11 -0800 | [diff] [blame] | 4081 | bat_warm = false; |
| 4082 | bat_cool = false; |
David Keitel | 1219a80 | 2013-03-21 16:37:21 -0700 | [diff] [blame] | 4083 | |
| 4084 | chip->adc_param.low_temp = chip->cool_bat_decidegc; |
David Keitel | 0c1a453 | 2013-03-21 16:39:06 -0700 | [diff] [blame] | 4085 | chip->adc_param.high_temp = chip->warm_bat_decidegc; |
David Keitel | 1219a80 | 2013-03-21 16:37:21 -0700 | [diff] [blame] | 4086 | chip->adc_param.state_request = |
| 4087 | ADC_TM_HIGH_LOW_THR_ENABLE; |
David Keitel | 454ee84 | 2013-03-08 16:19:11 -0800 | [diff] [blame] | 4088 | } |
| 4089 | } else { |
David Keitel | 410ee0d | 2014-02-20 16:48:04 -0800 | [diff] [blame] | 4090 | if (temp <= chip->cool_bat_decidegc) { |
David Keitel | 3e37e5a | 2013-04-18 10:42:30 -0700 | [diff] [blame] | 4091 | /* Normal to cool */ |
David Keitel | 454ee84 | 2013-03-08 16:19:11 -0800 | [diff] [blame] | 4092 | bat_warm = false; |
David Keitel | 1219a80 | 2013-03-21 16:37:21 -0700 | [diff] [blame] | 4093 | bat_cool = true; |
David Keitel | 454ee84 | 2013-03-08 16:19:11 -0800 | [diff] [blame] | 4094 | chip->adc_param.high_temp = |
David Keitel | 0c1a453 | 2013-03-21 16:39:06 -0700 | [diff] [blame] | 4095 | chip->cool_bat_decidegc + HYSTERISIS_DECIDEGC; |
David Keitel | 1219a80 | 2013-03-21 16:37:21 -0700 | [diff] [blame] | 4096 | chip->adc_param.state_request = |
| 4097 | ADC_TM_WARM_THR_ENABLE; |
David Keitel | 410ee0d | 2014-02-20 16:48:04 -0800 | [diff] [blame] | 4098 | } else if (temp <= |
David Keitel | 1219a80 | 2013-03-21 16:37:21 -0700 | [diff] [blame] | 4099 | chip->warm_bat_decidegc - HYSTERISIS_DECIDEGC){ |
David Keitel | 3e37e5a | 2013-04-18 10:42:30 -0700 | [diff] [blame] | 4100 | /* Warm to normal */ |
David Keitel | 454ee84 | 2013-03-08 16:19:11 -0800 | [diff] [blame] | 4101 | bat_warm = false; |
David Keitel | 1219a80 | 2013-03-21 16:37:21 -0700 | [diff] [blame] | 4102 | bat_cool = false; |
| 4103 | |
David Keitel | 0c1a453 | 2013-03-21 16:39:06 -0700 | [diff] [blame] | 4104 | chip->adc_param.low_temp = chip->cool_bat_decidegc; |
David Keitel | 1219a80 | 2013-03-21 16:37:21 -0700 | [diff] [blame] | 4105 | chip->adc_param.high_temp = chip->warm_bat_decidegc; |
| 4106 | chip->adc_param.state_request = |
| 4107 | ADC_TM_HIGH_LOW_THR_ENABLE; |
David Keitel | 454ee84 | 2013-03-08 16:19:11 -0800 | [diff] [blame] | 4108 | } |
| 4109 | } |
| 4110 | |
| 4111 | if (chip->bat_is_cool ^ bat_cool || chip->bat_is_warm ^ bat_warm) { |
David Keitel | 1219a80 | 2013-03-21 16:37:21 -0700 | [diff] [blame] | 4112 | chip->bat_is_cool = bat_cool; |
| 4113 | chip->bat_is_warm = bat_warm; |
| 4114 | |
Xiaozhe Shi | 7fc4e3c | 2013-06-06 13:52:29 -0700 | [diff] [blame] | 4115 | /** |
| 4116 | * set appropriate voltages and currents. |
| 4117 | * |
| 4118 | * Note that when the battery is hot or cold, the charger |
| 4119 | * driver will not resume with SoC. Only vbatdet is used to |
| 4120 | * determine resume of charging. |
| 4121 | */ |
David Keitel | 59fbb76 | 2014-02-05 16:46:24 -0800 | [diff] [blame] | 4122 | if (bat_cool || bat_warm) { |
| 4123 | chip->resuming_charging = false; |
| 4124 | qpnp_chg_set_appropriate_vbatdet(chip); |
| 4125 | |
| 4126 | /* To avoid ARB, only vbatdet is configured in |
| 4127 | * warm/cold zones. Once vbat < vbatdet the |
| 4128 | * appropriate vddmax/ibatmax adjustments will |
| 4129 | * be made in the fast charge interrupt. */ |
| 4130 | bypass_vbatdet_comp(chip, 1); |
| 4131 | qpnp_chg_charge_en(chip, !chip->charging_disabled); |
| 4132 | qpnp_chg_charge_en(chip, chip->charging_disabled); |
| 4133 | qpnp_chg_charge_en(chip, !chip->charging_disabled); |
| 4134 | } else { |
| 4135 | bypass_vbatdet_comp(chip, 0); |
| 4136 | /* restore normal parameters */ |
| 4137 | qpnp_chg_set_appropriate_vbatdet(chip); |
| 4138 | qpnp_chg_set_appropriate_vddmax(chip); |
| 4139 | qpnp_chg_set_appropriate_battery_current(chip); |
| 4140 | } |
David Keitel | 454ee84 | 2013-03-08 16:19:11 -0800 | [diff] [blame] | 4141 | } |
| 4142 | |
David Keitel | ec3c0980 | 2013-06-13 13:05:30 -0700 | [diff] [blame] | 4143 | pr_debug("warm %d, cool %d, low = %d deciDegC, high = %d deciDegC\n", |
| 4144 | chip->bat_is_warm, chip->bat_is_cool, |
| 4145 | chip->adc_param.low_temp, chip->adc_param.high_temp); |
| 4146 | |
Siddartha Mohanadoss | 88a3fde | 2013-06-24 16:18:52 -0700 | [diff] [blame] | 4147 | if (qpnp_adc_tm_channel_measure(chip->adc_tm_dev, &chip->adc_param)) |
David Keitel | 1219a80 | 2013-03-21 16:37:21 -0700 | [diff] [blame] | 4148 | pr_err("request ADC error\n"); |
David Keitel | ec3c0980 | 2013-06-13 13:05:30 -0700 | [diff] [blame] | 4149 | } |
Abhijeet Dharmapurikar | 84b13dd | 2013-07-08 18:43:56 -0700 | [diff] [blame] | 4150 | |
David Keitel | ec3c0980 | 2013-06-13 13:05:30 -0700 | [diff] [blame] | 4151 | #define MIN_COOL_TEMP -300 |
| 4152 | #define MAX_WARM_TEMP 1000 |
| 4153 | |
| 4154 | static int |
| 4155 | qpnp_chg_configure_jeita(struct qpnp_chg_chip *chip, |
| 4156 | enum power_supply_property psp, int temp_degc) |
| 4157 | { |
| 4158 | int rc = 0; |
| 4159 | |
| 4160 | if ((temp_degc < MIN_COOL_TEMP) || (temp_degc > MAX_WARM_TEMP)) { |
| 4161 | pr_err("Bad temperature request %d\n", temp_degc); |
| 4162 | return -EINVAL; |
| 4163 | } |
| 4164 | |
| 4165 | mutex_lock(&chip->jeita_configure_lock); |
| 4166 | switch (psp) { |
| 4167 | case POWER_SUPPLY_PROP_COOL_TEMP: |
| 4168 | if (temp_degc >= |
| 4169 | (chip->warm_bat_decidegc - HYSTERISIS_DECIDEGC)) { |
| 4170 | pr_err("Can't set cool %d higher than warm %d - hysterisis %d\n", |
| 4171 | temp_degc, chip->warm_bat_decidegc, |
| 4172 | HYSTERISIS_DECIDEGC); |
| 4173 | rc = -EINVAL; |
| 4174 | goto mutex_unlock; |
| 4175 | } |
| 4176 | if (chip->bat_is_cool) |
| 4177 | chip->adc_param.high_temp = |
| 4178 | temp_degc + HYSTERISIS_DECIDEGC; |
| 4179 | else if (!chip->bat_is_warm) |
| 4180 | chip->adc_param.low_temp = temp_degc; |
| 4181 | |
| 4182 | chip->cool_bat_decidegc = temp_degc; |
| 4183 | break; |
| 4184 | case POWER_SUPPLY_PROP_WARM_TEMP: |
| 4185 | if (temp_degc <= |
| 4186 | (chip->cool_bat_decidegc + HYSTERISIS_DECIDEGC)) { |
| 4187 | pr_err("Can't set warm %d higher than cool %d + hysterisis %d\n", |
| 4188 | temp_degc, chip->warm_bat_decidegc, |
| 4189 | HYSTERISIS_DECIDEGC); |
| 4190 | rc = -EINVAL; |
| 4191 | goto mutex_unlock; |
| 4192 | } |
| 4193 | if (chip->bat_is_warm) |
| 4194 | chip->adc_param.low_temp = |
| 4195 | temp_degc - HYSTERISIS_DECIDEGC; |
| 4196 | else if (!chip->bat_is_cool) |
| 4197 | chip->adc_param.high_temp = temp_degc; |
| 4198 | |
| 4199 | chip->warm_bat_decidegc = temp_degc; |
| 4200 | break; |
| 4201 | default: |
| 4202 | rc = -EINVAL; |
| 4203 | goto mutex_unlock; |
| 4204 | } |
| 4205 | |
| 4206 | schedule_work(&chip->adc_measure_work); |
| 4207 | |
| 4208 | mutex_unlock: |
| 4209 | mutex_unlock(&chip->jeita_configure_lock); |
| 4210 | return rc; |
David Keitel | 454ee84 | 2013-03-08 16:19:11 -0800 | [diff] [blame] | 4211 | } |
| 4212 | |
Abhijeet Dharmapurikar | e749700 | 2013-07-29 11:25:37 -0700 | [diff] [blame] | 4213 | #define POWER_STAGE_REDUCE_CHECK_PERIOD_SECONDS 20 |
| 4214 | #define POWER_STAGE_REDUCE_MAX_VBAT_UV 3900000 |
| 4215 | #define POWER_STAGE_REDUCE_MIN_VCHG_UV 4800000 |
| 4216 | #define POWER_STAGE_SEL_MASK 0x0F |
| 4217 | #define POWER_STAGE_REDUCED 0x01 |
| 4218 | #define POWER_STAGE_DEFAULT 0x0F |
| 4219 | static bool |
| 4220 | qpnp_chg_is_power_stage_reduced(struct qpnp_chg_chip *chip) |
| 4221 | { |
| 4222 | int rc; |
| 4223 | u8 reg; |
| 4224 | |
| 4225 | rc = qpnp_chg_read(chip, ®, |
| 4226 | chip->buck_base + CHGR_BUCK_PSTG_CTRL, |
| 4227 | 1); |
| 4228 | if (rc) { |
| 4229 | pr_err("Error %d reading power stage register\n", rc); |
| 4230 | return false; |
| 4231 | } |
| 4232 | |
| 4233 | if ((reg & POWER_STAGE_SEL_MASK) == POWER_STAGE_DEFAULT) |
| 4234 | return false; |
| 4235 | |
| 4236 | return true; |
| 4237 | } |
| 4238 | |
| 4239 | static int |
| 4240 | qpnp_chg_power_stage_set(struct qpnp_chg_chip *chip, bool reduce) |
| 4241 | { |
| 4242 | int rc; |
| 4243 | u8 reg = 0xA5; |
| 4244 | |
| 4245 | rc = qpnp_chg_write(chip, ®, |
| 4246 | chip->buck_base + SEC_ACCESS, |
| 4247 | 1); |
| 4248 | if (rc) { |
| 4249 | pr_err("Error %d writing 0xA5 to buck's 0x%x reg\n", |
| 4250 | rc, SEC_ACCESS); |
| 4251 | return rc; |
| 4252 | } |
| 4253 | |
| 4254 | reg = POWER_STAGE_DEFAULT; |
| 4255 | if (reduce) |
| 4256 | reg = POWER_STAGE_REDUCED; |
| 4257 | rc = qpnp_chg_write(chip, ®, |
| 4258 | chip->buck_base + CHGR_BUCK_PSTG_CTRL, |
| 4259 | 1); |
| 4260 | |
| 4261 | if (rc) |
| 4262 | pr_err("Error %d writing 0x%x power stage register\n", rc, reg); |
| 4263 | return rc; |
| 4264 | } |
| 4265 | |
| 4266 | static int |
| 4267 | qpnp_chg_get_vusbin_uv(struct qpnp_chg_chip *chip) |
| 4268 | { |
| 4269 | int rc = 0; |
| 4270 | struct qpnp_vadc_result results; |
| 4271 | |
| 4272 | rc = qpnp_vadc_read(chip->vadc_dev, USBIN, &results); |
| 4273 | if (rc) { |
| 4274 | pr_err("Unable to read vbat rc=%d\n", rc); |
| 4275 | return 0; |
| 4276 | } |
| 4277 | return results.physical; |
| 4278 | } |
| 4279 | |
| 4280 | static |
| 4281 | int get_vusb_averaged(struct qpnp_chg_chip *chip, int sample_count) |
| 4282 | { |
| 4283 | int vusb_uv = 0; |
| 4284 | int i; |
| 4285 | |
| 4286 | /* avoid overflows */ |
| 4287 | if (sample_count > 256) |
| 4288 | sample_count = 256; |
| 4289 | |
| 4290 | for (i = 0; i < sample_count; i++) |
| 4291 | vusb_uv += qpnp_chg_get_vusbin_uv(chip); |
| 4292 | |
| 4293 | vusb_uv = vusb_uv / sample_count; |
| 4294 | return vusb_uv; |
| 4295 | } |
| 4296 | |
| 4297 | static |
| 4298 | int get_vbat_averaged(struct qpnp_chg_chip *chip, int sample_count) |
| 4299 | { |
| 4300 | int vbat_uv = 0; |
| 4301 | int i; |
| 4302 | |
| 4303 | /* avoid overflows */ |
| 4304 | if (sample_count > 256) |
| 4305 | sample_count = 256; |
| 4306 | |
| 4307 | for (i = 0; i < sample_count; i++) |
| 4308 | vbat_uv += get_prop_battery_voltage_now(chip); |
| 4309 | |
| 4310 | vbat_uv = vbat_uv / sample_count; |
| 4311 | return vbat_uv; |
| 4312 | } |
| 4313 | |
| 4314 | static void |
| 4315 | qpnp_chg_reduce_power_stage(struct qpnp_chg_chip *chip) |
| 4316 | { |
| 4317 | struct timespec ts; |
| 4318 | bool power_stage_reduced_in_hw = qpnp_chg_is_power_stage_reduced(chip); |
| 4319 | bool reduce_power_stage = false; |
| 4320 | int vbat_uv = get_vbat_averaged(chip, 16); |
| 4321 | int vusb_uv = get_vusb_averaged(chip, 16); |
| 4322 | bool fast_chg = |
| 4323 | (get_prop_charge_type(chip) == POWER_SUPPLY_CHARGE_TYPE_FAST); |
| 4324 | static int count_restore_power_stage; |
| 4325 | static int count_reduce_power_stage; |
| 4326 | bool vchg_loop = get_prop_vchg_loop(chip); |
| 4327 | bool ichg_loop = qpnp_chg_is_ichg_loop_active(chip); |
| 4328 | bool usb_present = qpnp_chg_is_usb_chg_plugged_in(chip); |
| 4329 | bool usb_ma_above_wall = |
| 4330 | (qpnp_chg_usb_iusbmax_get(chip) > USB_WALL_THRESHOLD_MA); |
| 4331 | |
| 4332 | if (fast_chg |
| 4333 | && usb_present |
| 4334 | && usb_ma_above_wall |
| 4335 | && vbat_uv < POWER_STAGE_REDUCE_MAX_VBAT_UV |
| 4336 | && vusb_uv > POWER_STAGE_REDUCE_MIN_VCHG_UV) |
| 4337 | reduce_power_stage = true; |
| 4338 | |
| 4339 | if ((usb_present && usb_ma_above_wall) |
| 4340 | && (vchg_loop || ichg_loop)) |
| 4341 | reduce_power_stage = true; |
| 4342 | |
| 4343 | if (power_stage_reduced_in_hw && !reduce_power_stage) { |
| 4344 | count_restore_power_stage++; |
| 4345 | count_reduce_power_stage = 0; |
| 4346 | } else if (!power_stage_reduced_in_hw && reduce_power_stage) { |
| 4347 | count_reduce_power_stage++; |
| 4348 | count_restore_power_stage = 0; |
| 4349 | } else if (power_stage_reduced_in_hw == reduce_power_stage) { |
| 4350 | count_restore_power_stage = 0; |
| 4351 | count_reduce_power_stage = 0; |
| 4352 | } |
| 4353 | |
| 4354 | pr_debug("power_stage_hw = %d reduce_power_stage = %d usb_present = %d usb_ma_above_wall = %d vbat_uv(16) = %d vusb_uv(16) = %d fast_chg = %d , ichg = %d, vchg = %d, restore,reduce = %d, %d\n", |
| 4355 | power_stage_reduced_in_hw, reduce_power_stage, |
| 4356 | usb_present, usb_ma_above_wall, |
| 4357 | vbat_uv, vusb_uv, fast_chg, |
| 4358 | ichg_loop, vchg_loop, |
| 4359 | count_restore_power_stage, count_reduce_power_stage); |
| 4360 | |
| 4361 | if (!power_stage_reduced_in_hw && reduce_power_stage) { |
| 4362 | if (count_reduce_power_stage >= 2) { |
| 4363 | qpnp_chg_power_stage_set(chip, true); |
| 4364 | power_stage_reduced_in_hw = true; |
| 4365 | } |
| 4366 | } |
| 4367 | |
| 4368 | if (power_stage_reduced_in_hw && !reduce_power_stage) { |
| 4369 | if (count_restore_power_stage >= 6 |
| 4370 | || (!usb_present || !usb_ma_above_wall)) { |
| 4371 | qpnp_chg_power_stage_set(chip, false); |
| 4372 | power_stage_reduced_in_hw = false; |
| 4373 | } |
| 4374 | } |
| 4375 | |
| 4376 | if (usb_present && usb_ma_above_wall) { |
| 4377 | getnstimeofday(&ts); |
| 4378 | ts.tv_sec += POWER_STAGE_REDUCE_CHECK_PERIOD_SECONDS; |
| 4379 | alarm_start_range(&chip->reduce_power_stage_alarm, |
| 4380 | timespec_to_ktime(ts), |
| 4381 | timespec_to_ktime(ts)); |
| 4382 | } else { |
| 4383 | pr_debug("stopping power stage workaround\n"); |
| 4384 | chip->power_stage_workaround_running = false; |
| 4385 | } |
| 4386 | } |
| 4387 | |
| 4388 | static void |
David Keitel | 6e63bd5 | 2013-09-06 18:00:03 -0700 | [diff] [blame] | 4389 | qpnp_chg_batfet_lcl_work(struct work_struct *work) |
| 4390 | { |
| 4391 | struct qpnp_chg_chip *chip = container_of(work, |
| 4392 | struct qpnp_chg_chip, batfet_lcl_work); |
| 4393 | |
| 4394 | mutex_lock(&chip->batfet_vreg_lock); |
| 4395 | if (qpnp_chg_is_usb_chg_plugged_in(chip) || |
| 4396 | qpnp_chg_is_dc_chg_plugged_in(chip)) { |
| 4397 | qpnp_chg_regulator_batfet_set(chip, 1); |
| 4398 | pr_debug("disabled ULPM\n"); |
| 4399 | } else if (!chip->batfet_ext_en && !qpnp_chg_is_usb_chg_plugged_in(chip) |
| 4400 | && !qpnp_chg_is_dc_chg_plugged_in(chip)) { |
| 4401 | qpnp_chg_regulator_batfet_set(chip, 0); |
| 4402 | pr_debug("enabled ULPM\n"); |
| 4403 | } |
| 4404 | mutex_unlock(&chip->batfet_vreg_lock); |
| 4405 | } |
| 4406 | |
| 4407 | static void |
Abhijeet Dharmapurikar | e749700 | 2013-07-29 11:25:37 -0700 | [diff] [blame] | 4408 | qpnp_chg_reduce_power_stage_work(struct work_struct *work) |
| 4409 | { |
| 4410 | struct qpnp_chg_chip *chip = container_of(work, |
| 4411 | struct qpnp_chg_chip, reduce_power_stage_work); |
| 4412 | |
| 4413 | qpnp_chg_reduce_power_stage(chip); |
| 4414 | } |
| 4415 | |
| 4416 | static void |
| 4417 | qpnp_chg_reduce_power_stage_callback(struct alarm *alarm) |
| 4418 | { |
| 4419 | struct qpnp_chg_chip *chip = container_of(alarm, struct qpnp_chg_chip, |
| 4420 | reduce_power_stage_alarm); |
| 4421 | |
| 4422 | schedule_work(&chip->reduce_power_stage_work); |
| 4423 | } |
| 4424 | |
David Keitel | be20825 | 2013-01-31 14:49:25 -0800 | [diff] [blame] | 4425 | static int |
David Keitel | 432e123 | 2013-06-05 16:10:18 -0700 | [diff] [blame] | 4426 | qpnp_dc_power_set_property(struct power_supply *psy, |
| 4427 | enum power_supply_property psp, |
| 4428 | const union power_supply_propval *val) |
| 4429 | { |
| 4430 | struct qpnp_chg_chip *chip = container_of(psy, struct qpnp_chg_chip, |
| 4431 | dc_psy); |
| 4432 | int rc = 0; |
| 4433 | |
| 4434 | switch (psp) { |
| 4435 | case POWER_SUPPLY_PROP_CURRENT_MAX: |
| 4436 | if (!val->intval) |
| 4437 | break; |
| 4438 | |
| 4439 | rc = qpnp_chg_idcmax_set(chip, val->intval / 1000); |
| 4440 | if (rc) { |
| 4441 | pr_err("Error setting idcmax property %d\n", rc); |
| 4442 | return rc; |
| 4443 | } |
| 4444 | chip->maxinput_dc_ma = (val->intval / 1000); |
| 4445 | |
| 4446 | break; |
| 4447 | default: |
| 4448 | return -EINVAL; |
| 4449 | } |
| 4450 | |
Abhijeet Dharmapurikar | ba936ec | 2013-08-12 13:45:50 -0700 | [diff] [blame] | 4451 | pr_debug("psy changed dc_psy\n"); |
David Keitel | 432e123 | 2013-06-05 16:10:18 -0700 | [diff] [blame] | 4452 | power_supply_changed(&chip->dc_psy); |
| 4453 | return rc; |
| 4454 | } |
| 4455 | |
| 4456 | static int |
David Keitel | be20825 | 2013-01-31 14:49:25 -0800 | [diff] [blame] | 4457 | qpnp_batt_power_set_property(struct power_supply *psy, |
| 4458 | enum power_supply_property psp, |
| 4459 | const union power_supply_propval *val) |
| 4460 | { |
| 4461 | struct qpnp_chg_chip *chip = container_of(psy, struct qpnp_chg_chip, |
| 4462 | batt_psy); |
David Keitel | ec3c0980 | 2013-06-13 13:05:30 -0700 | [diff] [blame] | 4463 | int rc = 0; |
David Keitel | be20825 | 2013-01-31 14:49:25 -0800 | [diff] [blame] | 4464 | |
| 4465 | switch (psp) { |
David Keitel | ec3c0980 | 2013-06-13 13:05:30 -0700 | [diff] [blame] | 4466 | case POWER_SUPPLY_PROP_COOL_TEMP: |
| 4467 | rc = qpnp_chg_configure_jeita(chip, psp, val->intval); |
| 4468 | break; |
| 4469 | case POWER_SUPPLY_PROP_WARM_TEMP: |
| 4470 | rc = qpnp_chg_configure_jeita(chip, psp, val->intval); |
| 4471 | break; |
Xiaozhe Shi | 78797cf | 2013-11-12 13:18:42 -0800 | [diff] [blame] | 4472 | case POWER_SUPPLY_PROP_CAPACITY: |
| 4473 | chip->fake_battery_soc = val->intval; |
| 4474 | power_supply_changed(&chip->batt_psy); |
| 4475 | break; |
David Keitel | be20825 | 2013-01-31 14:49:25 -0800 | [diff] [blame] | 4476 | case POWER_SUPPLY_PROP_CHARGING_ENABLED: |
| 4477 | chip->charging_disabled = !(val->intval); |
Abhijeet Dharmapurikar | 8a68b17 | 2013-08-12 13:55:58 -0700 | [diff] [blame] | 4478 | if (chip->charging_disabled) { |
| 4479 | /* disable charging */ |
| 4480 | qpnp_chg_charge_en(chip, !chip->charging_disabled); |
| 4481 | qpnp_chg_force_run_on_batt(chip, |
| 4482 | chip->charging_disabled); |
| 4483 | } else { |
| 4484 | /* enable charging */ |
| 4485 | qpnp_chg_force_run_on_batt(chip, |
| 4486 | chip->charging_disabled); |
| 4487 | qpnp_chg_charge_en(chip, !chip->charging_disabled); |
| 4488 | } |
David Keitel | be20825 | 2013-01-31 14:49:25 -0800 | [diff] [blame] | 4489 | break; |
| 4490 | case POWER_SUPPLY_PROP_SYSTEM_TEMP_LEVEL: |
| 4491 | qpnp_batt_system_temp_level_set(chip, val->intval); |
| 4492 | break; |
David Keitel | 337bd86 | 2013-07-15 21:42:58 -0700 | [diff] [blame] | 4493 | case POWER_SUPPLY_PROP_INPUT_CURRENT_MAX: |
David Keitel | 820a90d | 2014-03-25 18:18:04 -0700 | [diff] [blame] | 4494 | if (qpnp_chg_is_usb_chg_plugged_in(chip) && |
| 4495 | !(qpnp_is_dc_higher_prio(chip) |
| 4496 | && qpnp_chg_is_dc_chg_plugged_in(chip))) |
David Keitel | 7b056848 | 2013-12-02 14:47:42 -0800 | [diff] [blame] | 4497 | qpnp_chg_iusbmax_set(chip, val->intval / 1000); |
David Keitel | 337bd86 | 2013-07-15 21:42:58 -0700 | [diff] [blame] | 4498 | break; |
David Keitel | 2586f0a | 2013-08-20 10:02:26 -0700 | [diff] [blame] | 4499 | case POWER_SUPPLY_PROP_INPUT_CURRENT_TRIM: |
| 4500 | qpnp_chg_iusb_trim_set(chip, val->intval); |
| 4501 | break; |
Anirudh Ghayal | 42fc8a1 | 2013-10-21 17:42:54 -0700 | [diff] [blame] | 4502 | case POWER_SUPPLY_PROP_INPUT_CURRENT_SETTLED: |
David Keitel | 820a90d | 2014-03-25 18:18:04 -0700 | [diff] [blame] | 4503 | if (val->intval) |
| 4504 | qpnp_chg_input_current_settled(chip); |
| 4505 | else |
| 4506 | chip->aicl_settled = false; |
Anirudh Ghayal | 42fc8a1 | 2013-10-21 17:42:54 -0700 | [diff] [blame] | 4507 | break; |
David Keitel | 337bd86 | 2013-07-15 21:42:58 -0700 | [diff] [blame] | 4508 | case POWER_SUPPLY_PROP_VOLTAGE_MIN: |
| 4509 | qpnp_chg_vinmin_set(chip, val->intval / 1000); |
| 4510 | break; |
Fenglin Wu | c64e994 | 2014-08-22 13:47:34 +0800 | [diff] [blame] | 4511 | case POWER_SUPPLY_PROP_VCHG_LOOP_DBC_BYPASS: |
| 4512 | rc = qpnp_chg_bypass_vchg_loop_debouncer(chip, !!val->intval); |
| 4513 | break; |
David Keitel | be20825 | 2013-01-31 14:49:25 -0800 | [diff] [blame] | 4514 | default: |
| 4515 | return -EINVAL; |
| 4516 | } |
| 4517 | |
Abhijeet Dharmapurikar | ba936ec | 2013-08-12 13:45:50 -0700 | [diff] [blame] | 4518 | pr_debug("psy changed batt_psy\n"); |
David Keitel | be20825 | 2013-01-31 14:49:25 -0800 | [diff] [blame] | 4519 | power_supply_changed(&chip->batt_psy); |
David Keitel | ec3c0980 | 2013-06-13 13:05:30 -0700 | [diff] [blame] | 4520 | return rc; |
David Keitel | be20825 | 2013-01-31 14:49:25 -0800 | [diff] [blame] | 4521 | } |
Sridhar Parasuram | ae183bd | 2012-12-21 09:28:46 -0800 | [diff] [blame] | 4522 | |
Abhijeet Dharmapurikar | e749700 | 2013-07-29 11:25:37 -0700 | [diff] [blame] | 4523 | static int |
Sridhar Parasuram | ae183bd | 2012-12-21 09:28:46 -0800 | [diff] [blame] | 4524 | qpnp_chg_setup_flags(struct qpnp_chg_chip *chip) |
David Keitel | d681cda | 2012-10-02 15:44:21 -0700 | [diff] [blame] | 4525 | { |
David Keitel | fe51cb9 | 2013-04-02 19:42:58 -0700 | [diff] [blame] | 4526 | if (chip->revision > 0 && chip->type == SMBB) |
David Keitel | d681cda | 2012-10-02 15:44:21 -0700 | [diff] [blame] | 4527 | chip->flags |= CHG_FLAGS_VCP_WA; |
David Keitel | 33f5895 | 2013-05-20 16:17:36 -0700 | [diff] [blame] | 4528 | if (chip->type == SMBB) |
| 4529 | chip->flags |= BOOST_FLASH_WA; |
Abhijeet Dharmapurikar | e749700 | 2013-07-29 11:25:37 -0700 | [diff] [blame] | 4530 | if (chip->type == SMBBP) { |
| 4531 | struct device_node *revid_dev_node; |
| 4532 | struct pmic_revid_data *revid_data; |
| 4533 | |
| 4534 | chip->flags |= BOOST_FLASH_WA; |
| 4535 | |
| 4536 | revid_dev_node = of_parse_phandle(chip->spmi->dev.of_node, |
| 4537 | "qcom,pmic-revid", 0); |
| 4538 | if (!revid_dev_node) { |
| 4539 | pr_err("Missing qcom,pmic-revid property\n"); |
| 4540 | return -EINVAL; |
| 4541 | } |
| 4542 | revid_data = get_revid_data(revid_dev_node); |
| 4543 | if (IS_ERR(revid_data)) { |
| 4544 | pr_err("Couldnt get revid data rc = %ld\n", |
| 4545 | PTR_ERR(revid_data)); |
| 4546 | return PTR_ERR(revid_data); |
| 4547 | } |
| 4548 | |
| 4549 | if (revid_data->rev4 < PM8226_V2P1_REV4 |
| 4550 | || ((revid_data->rev4 == PM8226_V2P1_REV4) |
| 4551 | && (revid_data->rev3 <= PM8226_V2P1_REV3))) { |
| 4552 | chip->flags |= POWER_STAGE_WA; |
| 4553 | } |
| 4554 | } |
| 4555 | return 0; |
David Keitel | d681cda | 2012-10-02 15:44:21 -0700 | [diff] [blame] | 4556 | } |
| 4557 | |
David Keitel | 0f35be4 | 2013-04-16 11:10:40 -0700 | [diff] [blame] | 4558 | static int |
| 4559 | qpnp_chg_request_irqs(struct qpnp_chg_chip *chip) |
| 4560 | { |
| 4561 | int rc = 0; |
| 4562 | struct resource *resource; |
| 4563 | struct spmi_resource *spmi_resource; |
| 4564 | u8 subtype; |
| 4565 | struct spmi_device *spmi = chip->spmi; |
| 4566 | |
| 4567 | spmi_for_each_container_dev(spmi_resource, chip->spmi) { |
| 4568 | if (!spmi_resource) { |
| 4569 | pr_err("qpnp_chg: spmi resource absent\n"); |
| 4570 | return rc; |
| 4571 | } |
| 4572 | |
| 4573 | resource = spmi_get_resource(spmi, spmi_resource, |
| 4574 | IORESOURCE_MEM, 0); |
| 4575 | if (!(resource && resource->start)) { |
| 4576 | pr_err("node %s IO resource absent!\n", |
| 4577 | spmi->dev.of_node->full_name); |
| 4578 | return rc; |
| 4579 | } |
| 4580 | |
| 4581 | rc = qpnp_chg_read(chip, &subtype, |
| 4582 | resource->start + REG_OFFSET_PERP_SUBTYPE, 1); |
| 4583 | if (rc) { |
| 4584 | pr_err("Peripheral subtype read failed rc=%d\n", rc); |
| 4585 | return rc; |
| 4586 | } |
| 4587 | |
| 4588 | switch (subtype) { |
| 4589 | case SMBB_CHGR_SUBTYPE: |
| 4590 | case SMBBP_CHGR_SUBTYPE: |
| 4591 | case SMBCL_CHGR_SUBTYPE: |
David Keitel | 47185a6 | 2013-05-15 18:54:10 -0700 | [diff] [blame] | 4592 | chip->chg_fastchg.irq = spmi_get_irq_byname(spmi, |
David Keitel | 0f35be4 | 2013-04-16 11:10:40 -0700 | [diff] [blame] | 4593 | spmi_resource, "fast-chg-on"); |
David Keitel | 47185a6 | 2013-05-15 18:54:10 -0700 | [diff] [blame] | 4594 | if (chip->chg_fastchg.irq < 0) { |
David Keitel | 0f35be4 | 2013-04-16 11:10:40 -0700 | [diff] [blame] | 4595 | pr_err("Unable to get fast-chg-on irq\n"); |
| 4596 | return rc; |
| 4597 | } |
| 4598 | |
David Keitel | 47185a6 | 2013-05-15 18:54:10 -0700 | [diff] [blame] | 4599 | chip->chg_trklchg.irq = spmi_get_irq_byname(spmi, |
David Keitel | 0f35be4 | 2013-04-16 11:10:40 -0700 | [diff] [blame] | 4600 | spmi_resource, "trkl-chg-on"); |
David Keitel | 47185a6 | 2013-05-15 18:54:10 -0700 | [diff] [blame] | 4601 | if (chip->chg_trklchg.irq < 0) { |
David Keitel | 0f35be4 | 2013-04-16 11:10:40 -0700 | [diff] [blame] | 4602 | pr_err("Unable to get trkl-chg-on irq\n"); |
| 4603 | return rc; |
| 4604 | } |
| 4605 | |
David Keitel | 47185a6 | 2013-05-15 18:54:10 -0700 | [diff] [blame] | 4606 | chip->chg_failed.irq = spmi_get_irq_byname(spmi, |
David Keitel | 0f35be4 | 2013-04-16 11:10:40 -0700 | [diff] [blame] | 4607 | spmi_resource, "chg-failed"); |
David Keitel | 47185a6 | 2013-05-15 18:54:10 -0700 | [diff] [blame] | 4608 | if (chip->chg_failed.irq < 0) { |
David Keitel | 0f35be4 | 2013-04-16 11:10:40 -0700 | [diff] [blame] | 4609 | pr_err("Unable to get chg_failed irq\n"); |
| 4610 | return rc; |
| 4611 | } |
| 4612 | |
David Keitel | 47185a6 | 2013-05-15 18:54:10 -0700 | [diff] [blame] | 4613 | chip->chg_vbatdet_lo.irq = spmi_get_irq_byname(spmi, |
David Keitel | 9fd0738 | 2013-05-02 15:37:44 -0700 | [diff] [blame] | 4614 | spmi_resource, "vbat-det-lo"); |
David Keitel | 47185a6 | 2013-05-15 18:54:10 -0700 | [diff] [blame] | 4615 | if (chip->chg_vbatdet_lo.irq < 0) { |
David Keitel | 9fd0738 | 2013-05-02 15:37:44 -0700 | [diff] [blame] | 4616 | pr_err("Unable to get fast-chg-on irq\n"); |
| 4617 | return rc; |
| 4618 | } |
| 4619 | |
David Keitel | 47185a6 | 2013-05-15 18:54:10 -0700 | [diff] [blame] | 4620 | rc |= devm_request_irq(chip->dev, chip->chg_failed.irq, |
David Keitel | 0f35be4 | 2013-04-16 11:10:40 -0700 | [diff] [blame] | 4621 | qpnp_chg_chgr_chg_failed_irq_handler, |
David Keitel | c9f1917 | 2013-04-29 11:01:26 -0700 | [diff] [blame] | 4622 | IRQF_TRIGGER_RISING, "chg-failed", chip); |
David Keitel | 0f35be4 | 2013-04-16 11:10:40 -0700 | [diff] [blame] | 4623 | if (rc < 0) { |
David Keitel | c9f1917 | 2013-04-29 11:01:26 -0700 | [diff] [blame] | 4624 | pr_err("Can't request %d chg-failed: %d\n", |
David Keitel | 47185a6 | 2013-05-15 18:54:10 -0700 | [diff] [blame] | 4625 | chip->chg_failed.irq, rc); |
David Keitel | 0f35be4 | 2013-04-16 11:10:40 -0700 | [diff] [blame] | 4626 | return rc; |
| 4627 | } |
| 4628 | |
David Keitel | 47185a6 | 2013-05-15 18:54:10 -0700 | [diff] [blame] | 4629 | rc |= devm_request_irq(chip->dev, chip->chg_fastchg.irq, |
David Keitel | 0f35be4 | 2013-04-16 11:10:40 -0700 | [diff] [blame] | 4630 | qpnp_chg_chgr_chg_fastchg_irq_handler, |
Wu Fenglin | 64fb1ac | 2013-11-08 10:20:14 +0800 | [diff] [blame] | 4631 | IRQF_TRIGGER_RISING | |
| 4632 | IRQF_TRIGGER_FALLING, |
David Keitel | 0f35be4 | 2013-04-16 11:10:40 -0700 | [diff] [blame] | 4633 | "fast-chg-on", chip); |
| 4634 | if (rc < 0) { |
| 4635 | pr_err("Can't request %d fast-chg-on: %d\n", |
David Keitel | 47185a6 | 2013-05-15 18:54:10 -0700 | [diff] [blame] | 4636 | chip->chg_fastchg.irq, rc); |
David Keitel | 0f35be4 | 2013-04-16 11:10:40 -0700 | [diff] [blame] | 4637 | return rc; |
| 4638 | } |
| 4639 | |
David Keitel | 47185a6 | 2013-05-15 18:54:10 -0700 | [diff] [blame] | 4640 | rc |= devm_request_irq(chip->dev, chip->chg_trklchg.irq, |
David Keitel | 0f35be4 | 2013-04-16 11:10:40 -0700 | [diff] [blame] | 4641 | qpnp_chg_chgr_chg_trklchg_irq_handler, |
| 4642 | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, |
David Keitel | c9f1917 | 2013-04-29 11:01:26 -0700 | [diff] [blame] | 4643 | "trkl-chg-on", chip); |
David Keitel | 0f35be4 | 2013-04-16 11:10:40 -0700 | [diff] [blame] | 4644 | if (rc < 0) { |
| 4645 | pr_err("Can't request %d trkl-chg-on: %d\n", |
David Keitel | 47185a6 | 2013-05-15 18:54:10 -0700 | [diff] [blame] | 4646 | chip->chg_trklchg.irq, rc); |
David Keitel | 0f35be4 | 2013-04-16 11:10:40 -0700 | [diff] [blame] | 4647 | return rc; |
| 4648 | } |
David Keitel | 9fd0738 | 2013-05-02 15:37:44 -0700 | [diff] [blame] | 4649 | |
| 4650 | rc |= devm_request_irq(chip->dev, |
David Keitel | 47185a6 | 2013-05-15 18:54:10 -0700 | [diff] [blame] | 4651 | chip->chg_vbatdet_lo.irq, |
David Keitel | 9fd0738 | 2013-05-02 15:37:44 -0700 | [diff] [blame] | 4652 | qpnp_chg_vbatdet_lo_irq_handler, |
Abhijeet Dharmapurikar | 8a68b17 | 2013-08-12 13:55:58 -0700 | [diff] [blame] | 4653 | IRQF_TRIGGER_RISING, |
David Keitel | 9fd0738 | 2013-05-02 15:37:44 -0700 | [diff] [blame] | 4654 | "vbat-det-lo", chip); |
| 4655 | if (rc < 0) { |
| 4656 | pr_err("Can't request %d vbat-det-lo: %d\n", |
David Keitel | 47185a6 | 2013-05-15 18:54:10 -0700 | [diff] [blame] | 4657 | chip->chg_vbatdet_lo.irq, rc); |
David Keitel | 9fd0738 | 2013-05-02 15:37:44 -0700 | [diff] [blame] | 4658 | return rc; |
| 4659 | } |
| 4660 | |
David Keitel | bf6a106 | 2014-01-23 10:57:36 -0800 | [diff] [blame] | 4661 | qpnp_chg_irq_wake_enable(&chip->chg_trklchg); |
| 4662 | qpnp_chg_irq_wake_enable(&chip->chg_failed); |
David Keitel | 47185a6 | 2013-05-15 18:54:10 -0700 | [diff] [blame] | 4663 | qpnp_chg_disable_irq(&chip->chg_vbatdet_lo); |
David Keitel | bf6a106 | 2014-01-23 10:57:36 -0800 | [diff] [blame] | 4664 | qpnp_chg_irq_wake_enable(&chip->chg_vbatdet_lo); |
David Keitel | 0f35be4 | 2013-04-16 11:10:40 -0700 | [diff] [blame] | 4665 | |
| 4666 | break; |
| 4667 | case SMBB_BAT_IF_SUBTYPE: |
| 4668 | case SMBBP_BAT_IF_SUBTYPE: |
| 4669 | case SMBCL_BAT_IF_SUBTYPE: |
David Keitel | 47185a6 | 2013-05-15 18:54:10 -0700 | [diff] [blame] | 4670 | chip->batt_pres.irq = spmi_get_irq_byname(spmi, |
David Keitel | 0f35be4 | 2013-04-16 11:10:40 -0700 | [diff] [blame] | 4671 | spmi_resource, "batt-pres"); |
David Keitel | 47185a6 | 2013-05-15 18:54:10 -0700 | [diff] [blame] | 4672 | if (chip->batt_pres.irq < 0) { |
David Keitel | 0f35be4 | 2013-04-16 11:10:40 -0700 | [diff] [blame] | 4673 | pr_err("Unable to get batt-pres irq\n"); |
| 4674 | return rc; |
| 4675 | } |
David Keitel | 47185a6 | 2013-05-15 18:54:10 -0700 | [diff] [blame] | 4676 | rc = devm_request_irq(chip->dev, chip->batt_pres.irq, |
David Keitel | 0f35be4 | 2013-04-16 11:10:40 -0700 | [diff] [blame] | 4677 | qpnp_chg_bat_if_batt_pres_irq_handler, |
David Keitel | 69193cc | 2013-06-24 18:12:22 -0700 | [diff] [blame] | 4678 | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING |
| 4679 | | IRQF_SHARED | IRQF_ONESHOT, |
David Keitel | c9f1917 | 2013-04-29 11:01:26 -0700 | [diff] [blame] | 4680 | "batt-pres", chip); |
David Keitel | 0f35be4 | 2013-04-16 11:10:40 -0700 | [diff] [blame] | 4681 | if (rc < 0) { |
| 4682 | pr_err("Can't request %d batt-pres irq: %d\n", |
David Keitel | 47185a6 | 2013-05-15 18:54:10 -0700 | [diff] [blame] | 4683 | chip->batt_pres.irq, rc); |
David Keitel | 0f35be4 | 2013-04-16 11:10:40 -0700 | [diff] [blame] | 4684 | return rc; |
| 4685 | } |
| 4686 | |
David Keitel | bf6a106 | 2014-01-23 10:57:36 -0800 | [diff] [blame] | 4687 | qpnp_chg_irq_wake_enable(&chip->batt_pres); |
Abhijeet Dharmapurikar | 84b13dd | 2013-07-08 18:43:56 -0700 | [diff] [blame] | 4688 | |
| 4689 | chip->batt_temp_ok.irq = spmi_get_irq_byname(spmi, |
| 4690 | spmi_resource, "bat-temp-ok"); |
| 4691 | if (chip->batt_temp_ok.irq < 0) { |
| 4692 | pr_err("Unable to get bat-temp-ok irq\n"); |
| 4693 | return rc; |
| 4694 | } |
| 4695 | rc = devm_request_irq(chip->dev, chip->batt_temp_ok.irq, |
| 4696 | qpnp_chg_bat_if_batt_temp_irq_handler, |
| 4697 | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, |
| 4698 | "bat-temp-ok", chip); |
| 4699 | if (rc < 0) { |
| 4700 | pr_err("Can't request %d bat-temp-ok irq: %d\n", |
| 4701 | chip->batt_temp_ok.irq, rc); |
| 4702 | return rc; |
| 4703 | } |
Xiaozhe Shi | 6c72665 | 2014-01-03 15:45:14 -0800 | [diff] [blame] | 4704 | qpnp_chg_bat_if_batt_temp_irq_handler(0, chip); |
Abhijeet Dharmapurikar | 84b13dd | 2013-07-08 18:43:56 -0700 | [diff] [blame] | 4705 | |
David Keitel | bf6a106 | 2014-01-23 10:57:36 -0800 | [diff] [blame] | 4706 | qpnp_chg_irq_wake_enable(&chip->batt_temp_ok); |
Abhijeet Dharmapurikar | 84b13dd | 2013-07-08 18:43:56 -0700 | [diff] [blame] | 4707 | |
David Keitel | 0f35be4 | 2013-04-16 11:10:40 -0700 | [diff] [blame] | 4708 | break; |
David Keitel | 337bd86 | 2013-07-15 21:42:58 -0700 | [diff] [blame] | 4709 | case SMBB_BUCK_SUBTYPE: |
| 4710 | case SMBBP_BUCK_SUBTYPE: |
| 4711 | case SMBCL_BUCK_SUBTYPE: |
David Keitel | 337bd86 | 2013-07-15 21:42:58 -0700 | [diff] [blame] | 4712 | break; |
| 4713 | |
David Keitel | 0f35be4 | 2013-04-16 11:10:40 -0700 | [diff] [blame] | 4714 | case SMBB_USB_CHGPTH_SUBTYPE: |
| 4715 | case SMBBP_USB_CHGPTH_SUBTYPE: |
| 4716 | case SMBCL_USB_CHGPTH_SUBTYPE: |
Wu Fenglin | 04ae6de | 2013-09-09 19:15:06 +0800 | [diff] [blame] | 4717 | if (chip->ovp_monitor_enable) { |
| 4718 | chip->coarse_det_usb.irq = |
| 4719 | spmi_get_irq_byname(spmi, |
| 4720 | spmi_resource, "coarse-det-usb"); |
| 4721 | if (chip->coarse_det_usb.irq < 0) { |
| 4722 | pr_err("Can't get coarse-det irq\n"); |
| 4723 | return rc; |
| 4724 | } |
| 4725 | rc = devm_request_irq(chip->dev, |
| 4726 | chip->coarse_det_usb.irq, |
| 4727 | qpnp_chg_coarse_det_usb_irq_handler, |
| 4728 | IRQF_TRIGGER_RISING | |
| 4729 | IRQF_TRIGGER_FALLING, |
| 4730 | "coarse-det-usb", chip); |
| 4731 | if (rc < 0) { |
| 4732 | pr_err("Can't req %d coarse-det: %d\n", |
| 4733 | chip->coarse_det_usb.irq, rc); |
| 4734 | return rc; |
| 4735 | } |
| 4736 | } |
| 4737 | |
David Keitel | 47185a6 | 2013-05-15 18:54:10 -0700 | [diff] [blame] | 4738 | chip->usbin_valid.irq = spmi_get_irq_byname(spmi, |
David Keitel | 0f35be4 | 2013-04-16 11:10:40 -0700 | [diff] [blame] | 4739 | spmi_resource, "usbin-valid"); |
David Keitel | 47185a6 | 2013-05-15 18:54:10 -0700 | [diff] [blame] | 4740 | if (chip->usbin_valid.irq < 0) { |
David Keitel | 0f35be4 | 2013-04-16 11:10:40 -0700 | [diff] [blame] | 4741 | pr_err("Unable to get usbin irq\n"); |
| 4742 | return rc; |
| 4743 | } |
David Keitel | 47185a6 | 2013-05-15 18:54:10 -0700 | [diff] [blame] | 4744 | rc = devm_request_irq(chip->dev, chip->usbin_valid.irq, |
David Keitel | 0f35be4 | 2013-04-16 11:10:40 -0700 | [diff] [blame] | 4745 | qpnp_chg_usb_usbin_valid_irq_handler, |
| 4746 | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, |
David Keitel | c9f1917 | 2013-04-29 11:01:26 -0700 | [diff] [blame] | 4747 | "usbin-valid", chip); |
David Keitel | 0f35be4 | 2013-04-16 11:10:40 -0700 | [diff] [blame] | 4748 | if (rc < 0) { |
David Keitel | c9f1917 | 2013-04-29 11:01:26 -0700 | [diff] [blame] | 4749 | pr_err("Can't request %d usbin-valid: %d\n", |
David Keitel | 47185a6 | 2013-05-15 18:54:10 -0700 | [diff] [blame] | 4750 | chip->usbin_valid.irq, rc); |
David Keitel | 0f35be4 | 2013-04-16 11:10:40 -0700 | [diff] [blame] | 4751 | return rc; |
| 4752 | } |
David Keitel | 344c697 | 2013-04-09 19:28:21 -0700 | [diff] [blame] | 4753 | |
David Keitel | 47185a6 | 2013-05-15 18:54:10 -0700 | [diff] [blame] | 4754 | chip->chg_gone.irq = spmi_get_irq_byname(spmi, |
David Keitel | 344c697 | 2013-04-09 19:28:21 -0700 | [diff] [blame] | 4755 | spmi_resource, "chg-gone"); |
David Keitel | 47185a6 | 2013-05-15 18:54:10 -0700 | [diff] [blame] | 4756 | if (chip->chg_gone.irq < 0) { |
David Keitel | 344c697 | 2013-04-09 19:28:21 -0700 | [diff] [blame] | 4757 | pr_err("Unable to get chg-gone irq\n"); |
| 4758 | return rc; |
| 4759 | } |
David Keitel | 47185a6 | 2013-05-15 18:54:10 -0700 | [diff] [blame] | 4760 | rc = devm_request_irq(chip->dev, chip->chg_gone.irq, |
David Keitel | 344c697 | 2013-04-09 19:28:21 -0700 | [diff] [blame] | 4761 | qpnp_chg_usb_chg_gone_irq_handler, |
| 4762 | IRQF_TRIGGER_RISING, |
David Keitel | c9f1917 | 2013-04-29 11:01:26 -0700 | [diff] [blame] | 4763 | "chg-gone", chip); |
David Keitel | 344c697 | 2013-04-09 19:28:21 -0700 | [diff] [blame] | 4764 | if (rc < 0) { |
David Keitel | c9f1917 | 2013-04-29 11:01:26 -0700 | [diff] [blame] | 4765 | pr_err("Can't request %d chg-gone: %d\n", |
David Keitel | 47185a6 | 2013-05-15 18:54:10 -0700 | [diff] [blame] | 4766 | chip->chg_gone.irq, rc); |
David Keitel | 344c697 | 2013-04-09 19:28:21 -0700 | [diff] [blame] | 4767 | return rc; |
| 4768 | } |
David Keitel | 47185a6 | 2013-05-15 18:54:10 -0700 | [diff] [blame] | 4769 | |
David Keitel | 0b62bdd | 2013-07-10 17:30:51 -0700 | [diff] [blame] | 4770 | if ((subtype == SMBBP_USB_CHGPTH_SUBTYPE) || |
| 4771 | (subtype == SMBCL_USB_CHGPTH_SUBTYPE)) { |
| 4772 | chip->usb_ocp.irq = spmi_get_irq_byname(spmi, |
| 4773 | spmi_resource, "usb-ocp"); |
| 4774 | if (chip->usb_ocp.irq < 0) { |
| 4775 | pr_err("Unable to get usbin irq\n"); |
| 4776 | return rc; |
| 4777 | } |
| 4778 | rc = devm_request_irq(chip->dev, |
| 4779 | chip->usb_ocp.irq, |
| 4780 | qpnp_chg_usb_usb_ocp_irq_handler, |
| 4781 | IRQF_TRIGGER_RISING, "usb-ocp", chip); |
| 4782 | if (rc < 0) { |
| 4783 | pr_err("Can't request %d usb-ocp: %d\n", |
| 4784 | chip->usb_ocp.irq, rc); |
| 4785 | return rc; |
| 4786 | } |
| 4787 | |
David Keitel | bf6a106 | 2014-01-23 10:57:36 -0800 | [diff] [blame] | 4788 | qpnp_chg_irq_wake_enable(&chip->usb_ocp); |
David Keitel | 0b62bdd | 2013-07-10 17:30:51 -0700 | [diff] [blame] | 4789 | } |
| 4790 | |
David Keitel | bf6a106 | 2014-01-23 10:57:36 -0800 | [diff] [blame] | 4791 | qpnp_chg_irq_wake_enable(&chip->usbin_valid); |
| 4792 | qpnp_chg_irq_wake_enable(&chip->chg_gone); |
David Keitel | 0f35be4 | 2013-04-16 11:10:40 -0700 | [diff] [blame] | 4793 | break; |
| 4794 | case SMBB_DC_CHGPTH_SUBTYPE: |
David Keitel | 47185a6 | 2013-05-15 18:54:10 -0700 | [diff] [blame] | 4795 | chip->dcin_valid.irq = spmi_get_irq_byname(spmi, |
David Keitel | 0f35be4 | 2013-04-16 11:10:40 -0700 | [diff] [blame] | 4796 | spmi_resource, "dcin-valid"); |
David Keitel | 47185a6 | 2013-05-15 18:54:10 -0700 | [diff] [blame] | 4797 | if (chip->dcin_valid.irq < 0) { |
David Keitel | 0f35be4 | 2013-04-16 11:10:40 -0700 | [diff] [blame] | 4798 | pr_err("Unable to get dcin irq\n"); |
| 4799 | return -rc; |
| 4800 | } |
David Keitel | 47185a6 | 2013-05-15 18:54:10 -0700 | [diff] [blame] | 4801 | rc = devm_request_irq(chip->dev, chip->dcin_valid.irq, |
David Keitel | 0f35be4 | 2013-04-16 11:10:40 -0700 | [diff] [blame] | 4802 | qpnp_chg_dc_dcin_valid_irq_handler, |
| 4803 | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, |
David Keitel | c9f1917 | 2013-04-29 11:01:26 -0700 | [diff] [blame] | 4804 | "dcin-valid", chip); |
David Keitel | 0f35be4 | 2013-04-16 11:10:40 -0700 | [diff] [blame] | 4805 | if (rc < 0) { |
David Keitel | c9f1917 | 2013-04-29 11:01:26 -0700 | [diff] [blame] | 4806 | pr_err("Can't request %d dcin-valid: %d\n", |
David Keitel | 47185a6 | 2013-05-15 18:54:10 -0700 | [diff] [blame] | 4807 | chip->dcin_valid.irq, rc); |
David Keitel | 0f35be4 | 2013-04-16 11:10:40 -0700 | [diff] [blame] | 4808 | return rc; |
| 4809 | } |
| 4810 | |
David Keitel | bf6a106 | 2014-01-23 10:57:36 -0800 | [diff] [blame] | 4811 | qpnp_chg_irq_wake_enable(&chip->dcin_valid); |
David Keitel | 0f35be4 | 2013-04-16 11:10:40 -0700 | [diff] [blame] | 4812 | break; |
| 4813 | } |
| 4814 | } |
| 4815 | |
| 4816 | return rc; |
| 4817 | } |
| 4818 | |
Xiaozhe Shi | ca289e0 | 2013-06-19 13:24:51 -0700 | [diff] [blame] | 4819 | static int |
| 4820 | qpnp_chg_load_battery_data(struct qpnp_chg_chip *chip) |
| 4821 | { |
| 4822 | struct bms_battery_data batt_data; |
| 4823 | struct device_node *node; |
| 4824 | struct qpnp_vadc_result result; |
| 4825 | int rc; |
| 4826 | |
| 4827 | node = of_find_node_by_name(chip->spmi->dev.of_node, |
| 4828 | "qcom,battery-data"); |
| 4829 | if (node) { |
| 4830 | memset(&batt_data, 0, sizeof(struct bms_battery_data)); |
Siddartha Mohanadoss | 3cb2b6b | 2013-06-21 12:07:05 -0700 | [diff] [blame] | 4831 | rc = qpnp_vadc_read(chip->vadc_dev, LR_MUX2_BAT_ID, &result); |
Xiaozhe Shi | ca289e0 | 2013-06-19 13:24:51 -0700 | [diff] [blame] | 4832 | if (rc) { |
| 4833 | pr_err("error reading batt id channel = %d, rc = %d\n", |
| 4834 | LR_MUX2_BAT_ID, rc); |
| 4835 | return rc; |
| 4836 | } |
| 4837 | |
Xiaozhe Shi | 23174ea | 2013-07-30 17:51:09 -0700 | [diff] [blame] | 4838 | batt_data.max_voltage_uv = -1; |
| 4839 | batt_data.iterm_ua = -1; |
Xiaozhe Shi | ca289e0 | 2013-06-19 13:24:51 -0700 | [diff] [blame] | 4840 | rc = of_batterydata_read_data(node, |
| 4841 | &batt_data, result.physical); |
| 4842 | if (rc) { |
| 4843 | pr_err("failed to read battery data: %d\n", rc); |
| 4844 | return rc; |
| 4845 | } |
| 4846 | |
Xiaozhe Shi | 34e56823 | 2013-07-24 12:47:34 -0700 | [diff] [blame] | 4847 | if (batt_data.max_voltage_uv >= 0) { |
Xiaozhe Shi | ca289e0 | 2013-06-19 13:24:51 -0700 | [diff] [blame] | 4848 | chip->max_voltage_mv = batt_data.max_voltage_uv / 1000; |
Xiaozhe Shi | 34e56823 | 2013-07-24 12:47:34 -0700 | [diff] [blame] | 4849 | chip->safe_voltage_mv = chip->max_voltage_mv |
| 4850 | + MAX_DELTA_VDD_MAX_MV; |
| 4851 | } |
Xiaozhe Shi | ca289e0 | 2013-06-19 13:24:51 -0700 | [diff] [blame] | 4852 | if (batt_data.iterm_ua >= 0) |
| 4853 | chip->term_current = batt_data.iterm_ua / 1000; |
| 4854 | } |
| 4855 | |
| 4856 | return 0; |
| 4857 | } |
| 4858 | |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 4859 | #define WDOG_EN_BIT BIT(7) |
| 4860 | static int |
| 4861 | qpnp_chg_hwinit(struct qpnp_chg_chip *chip, u8 subtype, |
| 4862 | struct spmi_resource *spmi_resource) |
| 4863 | { |
| 4864 | int rc = 0; |
David Keitel | 796882d | 2013-05-14 18:01:11 -0700 | [diff] [blame] | 4865 | u8 reg = 0; |
David Keitel | 6dc4ed4 | 2013-05-17 11:08:58 -0700 | [diff] [blame] | 4866 | struct regulator_init_data *init_data; |
| 4867 | struct regulator_desc *rdesc; |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 4868 | |
| 4869 | switch (subtype) { |
| 4870 | case SMBB_CHGR_SUBTYPE: |
David Keitel | f2170cc | 2013-02-20 17:49:03 -0800 | [diff] [blame] | 4871 | case SMBBP_CHGR_SUBTYPE: |
David Keitel | 46c9f7b | 2013-04-02 19:54:12 -0700 | [diff] [blame] | 4872 | case SMBCL_CHGR_SUBTYPE: |
Prasad Sodagudi | c367801 | 2013-09-23 12:01:19 +0530 | [diff] [blame] | 4873 | qpnp_chg_vbatweak_set(chip, chip->batt_weak_voltage_mv); |
| 4874 | |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 4875 | rc = qpnp_chg_vinmin_set(chip, chip->min_voltage_mv); |
| 4876 | if (rc) { |
| 4877 | pr_debug("failed setting min_voltage rc=%d\n", rc); |
| 4878 | return rc; |
| 4879 | } |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 4880 | rc = qpnp_chg_vddsafe_set(chip, chip->safe_voltage_mv); |
| 4881 | if (rc) { |
| 4882 | pr_debug("failed setting safe_voltage rc=%d\n", rc); |
| 4883 | return rc; |
| 4884 | } |
David Keitel | 454ee84 | 2013-03-08 16:19:11 -0800 | [diff] [blame] | 4885 | rc = qpnp_chg_vbatdet_set(chip, |
| 4886 | chip->max_voltage_mv - chip->resume_delta_mv); |
David Keitel | 5d44fa5 | 2012-12-03 16:37:31 -0800 | [diff] [blame] | 4887 | if (rc) { |
| 4888 | pr_debug("failed setting resume_voltage rc=%d\n", rc); |
| 4889 | return rc; |
| 4890 | } |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 4891 | rc = qpnp_chg_ibatmax_set(chip, chip->max_bat_chg_current); |
| 4892 | if (rc) { |
| 4893 | pr_debug("failed setting ibatmax rc=%d\n", rc); |
| 4894 | return rc; |
| 4895 | } |
David Keitel | 365c4c4 | 2013-03-08 16:20:40 -0800 | [diff] [blame] | 4896 | if (chip->term_current) { |
| 4897 | rc = qpnp_chg_ibatterm_set(chip, chip->term_current); |
| 4898 | if (rc) { |
| 4899 | pr_debug("failed setting ibatterm rc=%d\n", rc); |
| 4900 | return rc; |
| 4901 | } |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 4902 | } |
David Keitel | 5d44fa5 | 2012-12-03 16:37:31 -0800 | [diff] [blame] | 4903 | rc = qpnp_chg_ibatsafe_set(chip, chip->safe_current); |
| 4904 | if (rc) { |
| 4905 | pr_debug("failed setting ibat_Safe rc=%d\n", rc); |
| 4906 | return rc; |
| 4907 | } |
David Keitel | a4b7b59 | 2013-04-11 18:34:35 -0700 | [diff] [blame] | 4908 | rc = qpnp_chg_tchg_max_set(chip, chip->tchg_mins); |
| 4909 | if (rc) { |
| 4910 | pr_debug("failed setting tchg_mins rc=%d\n", rc); |
| 4911 | return rc; |
| 4912 | } |
| 4913 | |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 4914 | /* HACK: Disable wdog */ |
| 4915 | rc = qpnp_chg_masked_write(chip, chip->chgr_base + 0x62, |
| 4916 | 0xFF, 0xA0, 1); |
| 4917 | |
David Keitel | b4e4354 | 2013-04-09 17:30:41 -0700 | [diff] [blame] | 4918 | /* HACK: use analog EOC */ |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 4919 | rc = qpnp_chg_masked_write(chip, chip->chgr_base + |
| 4920 | CHGR_IBAT_TERM_CHGR, |
David Keitel | 9fd0738 | 2013-05-02 15:37:44 -0700 | [diff] [blame] | 4921 | 0xFF, 0x08, 1); |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 4922 | |
David Keitel | 79e0832 | 2014-04-21 14:17:05 -0700 | [diff] [blame] | 4923 | /* HACK: trkl stuck workaround */ |
| 4924 | |
| 4925 | rc = qpnp_chg_masked_write(chip, |
| 4926 | chip->chgr_base + SEC_ACCESS, |
| 4927 | 0xFF, |
| 4928 | 0xA5, 1); |
| 4929 | |
| 4930 | rc = qpnp_chg_masked_write(chip, chip->chgr_base + |
| 4931 | CHG_OVR0, |
| 4932 | 0xFF, 0x00, 1); |
| 4933 | |
| 4934 | rc = qpnp_chg_masked_write(chip, |
| 4935 | chip->chgr_base + SEC_ACCESS, |
| 4936 | 0xFF, |
| 4937 | 0xA5, 1); |
| 4938 | |
| 4939 | rc = qpnp_chg_masked_write(chip, chip->chgr_base + |
| 4940 | CHG_TRICKLE_CLAMP, |
| 4941 | 0xFF, 0x00, 1); |
Chunmei Cai | 661a7cd | 2014-08-05 17:31:54 +0800 | [diff] [blame] | 4942 | |
| 4943 | rc = qpnp_chg_read(chip, &chip->chg_temp_thresh_default, |
| 4944 | chip->chgr_base + CHGR_CHG_TEMP_THRESH, 1); |
| 4945 | if (rc) { |
| 4946 | pr_debug("read CHG_TEMP_THRESH failed, rc = %d\n", rc); |
| 4947 | chip->chg_temp_thresh_default = |
| 4948 | CHG_TEMP_THRESH_DEFAULT; |
| 4949 | } |
| 4950 | |
| 4951 | init_data = of_get_regulator_init_data(chip->dev, |
| 4952 | spmi_resource->of_node); |
| 4953 | if (!init_data) { |
| 4954 | pr_err("unable to get regulator init data for flash_wa\n"); |
| 4955 | return -ENOMEM; |
| 4956 | } |
| 4957 | |
| 4958 | if (init_data->constraints.name) { |
| 4959 | rdesc = &(chip->flash_wa_vreg.rdesc); |
| 4960 | rdesc->owner = THIS_MODULE; |
| 4961 | rdesc->type = REGULATOR_VOLTAGE; |
| 4962 | rdesc->ops = &qpnp_chg_flash_wa_reg_ops; |
| 4963 | rdesc->name = init_data->constraints.name; |
| 4964 | |
| 4965 | init_data->constraints.valid_ops_mask |
| 4966 | |= REGULATOR_CHANGE_STATUS; |
| 4967 | |
| 4968 | chip->flash_wa_vreg.rdev = |
| 4969 | regulator_register(rdesc, chip->dev, init_data, |
| 4970 | chip, spmi_resource->of_node); |
| 4971 | if (IS_ERR(chip->flash_wa_vreg.rdev)) { |
| 4972 | rc = PTR_ERR(chip->flash_wa_vreg.rdev); |
| 4973 | chip->flash_wa_vreg.rdev = NULL; |
| 4974 | pr_err("Flash wa failed, rc=%d\n", rc); |
| 4975 | return rc; |
| 4976 | } |
| 4977 | } |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 4978 | break; |
| 4979 | case SMBB_BUCK_SUBTYPE: |
David Keitel | f2170cc | 2013-02-20 17:49:03 -0800 | [diff] [blame] | 4980 | case SMBBP_BUCK_SUBTYPE: |
David Keitel | 46c9f7b | 2013-04-02 19:54:12 -0700 | [diff] [blame] | 4981 | case SMBCL_BUCK_SUBTYPE: |
David Keitel | 9fd0738 | 2013-05-02 15:37:44 -0700 | [diff] [blame] | 4982 | rc = qpnp_chg_toggle_chg_done_logic(chip, 0); |
| 4983 | if (rc) |
| 4984 | return rc; |
| 4985 | |
David Keitel | 9201df3 | 2013-01-10 18:38:34 -0800 | [diff] [blame] | 4986 | rc = qpnp_chg_masked_write(chip, |
David Keitel | 5adc794 | 2013-05-21 13:45:17 -0700 | [diff] [blame] | 4987 | chip->buck_base + CHGR_BUCK_BCK_VBAT_REG_MODE, |
David Keitel | 9201df3 | 2013-01-10 18:38:34 -0800 | [diff] [blame] | 4988 | BUCK_VBAT_REG_NODE_SEL_BIT, |
| 4989 | BUCK_VBAT_REG_NODE_SEL_BIT, 1); |
| 4990 | if (rc) { |
| 4991 | pr_debug("failed to enable IR drop comp rc=%d\n", rc); |
| 4992 | return rc; |
| 4993 | } |
Xiaozhe Shi | 20b7abf | 2013-08-15 13:36:55 -0700 | [diff] [blame] | 4994 | |
| 4995 | rc = qpnp_chg_read(chip, &chip->trim_center, |
| 4996 | chip->buck_base + BUCK_CTRL_TRIM1, 1); |
| 4997 | if (rc) { |
| 4998 | pr_debug("failed to read trim center rc=%d\n", rc); |
| 4999 | return rc; |
| 5000 | } |
| 5001 | chip->trim_center >>= 4; |
| 5002 | pr_debug("trim center = %02x\n", chip->trim_center); |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 5003 | break; |
| 5004 | case SMBB_BAT_IF_SUBTYPE: |
David Keitel | f2170cc | 2013-02-20 17:49:03 -0800 | [diff] [blame] | 5005 | case SMBBP_BAT_IF_SUBTYPE: |
David Keitel | 46c9f7b | 2013-04-02 19:54:12 -0700 | [diff] [blame] | 5006 | case SMBCL_BAT_IF_SUBTYPE: |
David Keitel | 796882d | 2013-05-14 18:01:11 -0700 | [diff] [blame] | 5007 | /* Select battery presence detection */ |
David Keitel | 0ef282b | 2013-05-29 16:04:57 -0700 | [diff] [blame] | 5008 | switch (chip->bpd_detection) { |
| 5009 | case BPD_TYPE_BAT_THM: |
| 5010 | reg = BAT_THM_EN; |
| 5011 | break; |
| 5012 | case BPD_TYPE_BAT_ID: |
David Keitel | 796882d | 2013-05-14 18:01:11 -0700 | [diff] [blame] | 5013 | reg = BAT_ID_EN; |
David Keitel | 0ef282b | 2013-05-29 16:04:57 -0700 | [diff] [blame] | 5014 | break; |
| 5015 | case BPD_TYPE_BAT_THM_BAT_ID: |
| 5016 | reg = BAT_THM_EN | BAT_ID_EN; |
| 5017 | break; |
| 5018 | default: |
| 5019 | reg = BAT_THM_EN; |
| 5020 | break; |
| 5021 | } |
David Keitel | 796882d | 2013-05-14 18:01:11 -0700 | [diff] [blame] | 5022 | |
| 5023 | rc = qpnp_chg_masked_write(chip, |
| 5024 | chip->bat_if_base + BAT_IF_BPD_CTRL, |
| 5025 | BAT_IF_BPD_CTRL_SEL, |
| 5026 | reg, 1); |
| 5027 | if (rc) { |
| 5028 | pr_debug("failed to chose BPD rc=%d\n", rc); |
| 5029 | return rc; |
| 5030 | } |
David Keitel | 85ae434 | 2013-04-16 11:46:00 -0700 | [diff] [blame] | 5031 | /* Force on VREF_BAT_THM */ |
| 5032 | rc = qpnp_chg_masked_write(chip, |
| 5033 | chip->bat_if_base + BAT_IF_VREF_BAT_THM_CTRL, |
| 5034 | VREF_BATT_THERM_FORCE_ON, |
| 5035 | VREF_BATT_THERM_FORCE_ON, 1); |
| 5036 | if (rc) { |
| 5037 | pr_debug("failed to force on VREF_BAT_THM rc=%d\n", rc); |
| 5038 | return rc; |
| 5039 | } |
Abhijeet Dharmapurikar | e17309f1 | 2013-08-05 12:50:21 -0700 | [diff] [blame] | 5040 | |
| 5041 | init_data = of_get_regulator_init_data(chip->dev, |
| 5042 | spmi_resource->of_node); |
| 5043 | |
| 5044 | if (init_data->constraints.name) { |
| 5045 | rdesc = &(chip->batfet_vreg.rdesc); |
| 5046 | rdesc->owner = THIS_MODULE; |
| 5047 | rdesc->type = REGULATOR_VOLTAGE; |
| 5048 | rdesc->ops = &qpnp_chg_batfet_vreg_ops; |
| 5049 | rdesc->name = init_data->constraints.name; |
| 5050 | |
| 5051 | init_data->constraints.valid_ops_mask |
| 5052 | |= REGULATOR_CHANGE_STATUS; |
| 5053 | |
| 5054 | chip->batfet_vreg.rdev = regulator_register(rdesc, |
| 5055 | chip->dev, init_data, chip, |
| 5056 | spmi_resource->of_node); |
| 5057 | if (IS_ERR(chip->batfet_vreg.rdev)) { |
| 5058 | rc = PTR_ERR(chip->batfet_vreg.rdev); |
| 5059 | chip->batfet_vreg.rdev = NULL; |
| 5060 | if (rc != -EPROBE_DEFER) |
| 5061 | pr_err("batfet reg failed, rc=%d\n", |
| 5062 | rc); |
| 5063 | return rc; |
| 5064 | } |
| 5065 | } |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 5066 | break; |
| 5067 | case SMBB_USB_CHGPTH_SUBTYPE: |
David Keitel | f2170cc | 2013-02-20 17:49:03 -0800 | [diff] [blame] | 5068 | case SMBBP_USB_CHGPTH_SUBTYPE: |
David Keitel | 46c9f7b | 2013-04-02 19:54:12 -0700 | [diff] [blame] | 5069 | case SMBCL_USB_CHGPTH_SUBTYPE: |
David Keitel | 9fd0738 | 2013-05-02 15:37:44 -0700 | [diff] [blame] | 5070 | if (qpnp_chg_is_usb_chg_plugged_in(chip)) { |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 5071 | rc = qpnp_chg_masked_write(chip, |
| 5072 | chip->usb_chgpth_base + CHGR_USB_ENUM_T_STOP, |
| 5073 | ENUM_T_STOP_BIT, |
| 5074 | ENUM_T_STOP_BIT, 1); |
| 5075 | if (rc) { |
| 5076 | pr_err("failed to write enum stop rc=%d\n", rc); |
| 5077 | return -ENXIO; |
| 5078 | } |
| 5079 | } |
David Keitel | d681cda | 2012-10-02 15:44:21 -0700 | [diff] [blame] | 5080 | |
David Keitel | 6dc4ed4 | 2013-05-17 11:08:58 -0700 | [diff] [blame] | 5081 | init_data = of_get_regulator_init_data(chip->dev, |
| 5082 | spmi_resource->of_node); |
| 5083 | if (!init_data) { |
| 5084 | pr_err("unable to allocate memory\n"); |
| 5085 | return -ENOMEM; |
| 5086 | } |
| 5087 | |
| 5088 | if (init_data->constraints.name) { |
| 5089 | if (of_get_property(chip->dev->of_node, |
| 5090 | "otg-parent-supply", NULL)) |
| 5091 | init_data->supply_regulator = "otg-parent"; |
| 5092 | |
| 5093 | rdesc = &(chip->otg_vreg.rdesc); |
| 5094 | rdesc->owner = THIS_MODULE; |
| 5095 | rdesc->type = REGULATOR_VOLTAGE; |
| 5096 | rdesc->ops = &qpnp_chg_otg_reg_ops; |
| 5097 | rdesc->name = init_data->constraints.name; |
| 5098 | |
| 5099 | init_data->constraints.valid_ops_mask |
| 5100 | |= REGULATOR_CHANGE_STATUS; |
| 5101 | |
| 5102 | chip->otg_vreg.rdev = regulator_register(rdesc, |
| 5103 | chip->dev, init_data, chip, |
| 5104 | spmi_resource->of_node); |
| 5105 | if (IS_ERR(chip->otg_vreg.rdev)) { |
| 5106 | rc = PTR_ERR(chip->otg_vreg.rdev); |
David Collins | cbb1213 | 2013-05-28 10:47:28 -0700 | [diff] [blame] | 5107 | chip->otg_vreg.rdev = NULL; |
David Keitel | 6dc4ed4 | 2013-05-17 11:08:58 -0700 | [diff] [blame] | 5108 | if (rc != -EPROBE_DEFER) |
| 5109 | pr_err("OTG reg failed, rc=%d\n", rc); |
| 5110 | return rc; |
| 5111 | } |
| 5112 | } |
| 5113 | |
David Keitel | d681cda | 2012-10-02 15:44:21 -0700 | [diff] [blame] | 5114 | rc = qpnp_chg_masked_write(chip, |
David Keitel | 5c3a770 | 2012-12-20 11:13:21 -0800 | [diff] [blame] | 5115 | chip->usb_chgpth_base + USB_OVP_CTL, |
| 5116 | USB_VALID_DEB_20MS, |
| 5117 | USB_VALID_DEB_20MS, 1); |
| 5118 | |
| 5119 | rc = qpnp_chg_masked_write(chip, |
David Keitel | d681cda | 2012-10-02 15:44:21 -0700 | [diff] [blame] | 5120 | chip->usb_chgpth_base + CHGR_USB_ENUM_T_STOP, |
| 5121 | ENUM_T_STOP_BIT, |
| 5122 | ENUM_T_STOP_BIT, 1); |
| 5123 | |
David Keitel | 344c697 | 2013-04-09 19:28:21 -0700 | [diff] [blame] | 5124 | rc = qpnp_chg_masked_write(chip, |
| 5125 | chip->usb_chgpth_base + SEC_ACCESS, |
| 5126 | 0xFF, |
| 5127 | 0xA5, 1); |
| 5128 | |
| 5129 | rc = qpnp_chg_masked_write(chip, |
| 5130 | chip->usb_chgpth_base + USB_CHG_GONE_REV_BST, |
| 5131 | 0xFF, |
| 5132 | 0x80, 1); |
| 5133 | |
David Keitel | 0b62bdd | 2013-07-10 17:30:51 -0700 | [diff] [blame] | 5134 | if ((subtype == SMBBP_USB_CHGPTH_SUBTYPE) || |
| 5135 | (subtype == SMBCL_USB_CHGPTH_SUBTYPE)) { |
| 5136 | rc = qpnp_chg_masked_write(chip, |
| 5137 | chip->usb_chgpth_base + USB_OCP_THR, |
| 5138 | OCP_THR_MASK, |
| 5139 | OCP_THR_900_MA, 1); |
| 5140 | if (rc) |
| 5141 | pr_err("Failed to configure OCP rc = %d\n", rc); |
| 5142 | } |
| 5143 | |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 5144 | break; |
| 5145 | case SMBB_DC_CHGPTH_SUBTYPE: |
| 5146 | break; |
| 5147 | case SMBB_BOOST_SUBTYPE: |
David Keitel | f2170cc | 2013-02-20 17:49:03 -0800 | [diff] [blame] | 5148 | case SMBBP_BOOST_SUBTYPE: |
David Keitel | 6dc4ed4 | 2013-05-17 11:08:58 -0700 | [diff] [blame] | 5149 | init_data = of_get_regulator_init_data(chip->dev, |
| 5150 | spmi_resource->of_node); |
| 5151 | if (!init_data) { |
| 5152 | pr_err("unable to allocate memory\n"); |
| 5153 | return -ENOMEM; |
| 5154 | } |
| 5155 | |
| 5156 | if (init_data->constraints.name) { |
| 5157 | if (of_get_property(chip->dev->of_node, |
| 5158 | "boost-parent-supply", NULL)) |
| 5159 | init_data->supply_regulator = "boost-parent"; |
| 5160 | |
| 5161 | rdesc = &(chip->boost_vreg.rdesc); |
| 5162 | rdesc->owner = THIS_MODULE; |
| 5163 | rdesc->type = REGULATOR_VOLTAGE; |
| 5164 | rdesc->ops = &qpnp_chg_boost_reg_ops; |
| 5165 | rdesc->name = init_data->constraints.name; |
| 5166 | |
| 5167 | init_data->constraints.valid_ops_mask |
| 5168 | |= REGULATOR_CHANGE_STATUS |
| 5169 | | REGULATOR_CHANGE_VOLTAGE; |
| 5170 | |
| 5171 | chip->boost_vreg.rdev = regulator_register(rdesc, |
| 5172 | chip->dev, init_data, chip, |
| 5173 | spmi_resource->of_node); |
| 5174 | if (IS_ERR(chip->boost_vreg.rdev)) { |
| 5175 | rc = PTR_ERR(chip->boost_vreg.rdev); |
David Collins | cbb1213 | 2013-05-28 10:47:28 -0700 | [diff] [blame] | 5176 | chip->boost_vreg.rdev = NULL; |
David Keitel | 6dc4ed4 | 2013-05-17 11:08:58 -0700 | [diff] [blame] | 5177 | if (rc != -EPROBE_DEFER) |
| 5178 | pr_err("boost reg failed, rc=%d\n", rc); |
| 5179 | return rc; |
| 5180 | } |
| 5181 | } |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 5182 | break; |
| 5183 | case SMBB_MISC_SUBTYPE: |
David Keitel | f2170cc | 2013-02-20 17:49:03 -0800 | [diff] [blame] | 5184 | case SMBBP_MISC_SUBTYPE: |
David Keitel | 46c9f7b | 2013-04-02 19:54:12 -0700 | [diff] [blame] | 5185 | case SMBCL_MISC_SUBTYPE: |
David Keitel | 52d685e | 2013-05-02 11:59:05 -0700 | [diff] [blame] | 5186 | if (subtype == SMBB_MISC_SUBTYPE) |
| 5187 | chip->type = SMBB; |
| 5188 | else if (subtype == SMBBP_MISC_SUBTYPE) |
| 5189 | chip->type = SMBBP; |
| 5190 | else if (subtype == SMBCL_MISC_SUBTYPE) |
| 5191 | chip->type = SMBCL; |
| 5192 | |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 5193 | pr_debug("Setting BOOT_DONE\n"); |
| 5194 | rc = qpnp_chg_masked_write(chip, |
| 5195 | chip->misc_base + CHGR_MISC_BOOT_DONE, |
| 5196 | CHGR_BOOT_DONE, CHGR_BOOT_DONE, 1); |
Sridhar Parasuram | ae183bd | 2012-12-21 09:28:46 -0800 | [diff] [blame] | 5197 | rc = qpnp_chg_read(chip, ®, |
| 5198 | chip->misc_base + MISC_REVISION2, 1); |
| 5199 | if (rc) { |
| 5200 | pr_err("failed to read revision register rc=%d\n", rc); |
| 5201 | return rc; |
| 5202 | } |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 5203 | |
Sridhar Parasuram | ae183bd | 2012-12-21 09:28:46 -0800 | [diff] [blame] | 5204 | chip->revision = reg; |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 5205 | break; |
| 5206 | default: |
| 5207 | pr_err("Invalid peripheral subtype\n"); |
| 5208 | } |
| 5209 | return rc; |
| 5210 | } |
| 5211 | |
David Keitel | 112ba9c | 2013-04-12 18:40:43 -0700 | [diff] [blame] | 5212 | #define OF_PROP_READ(chip, prop, qpnp_dt_property, retval, optional) \ |
| 5213 | do { \ |
| 5214 | if (retval) \ |
| 5215 | break; \ |
| 5216 | \ |
| 5217 | retval = of_property_read_u32(chip->spmi->dev.of_node, \ |
| 5218 | "qcom," qpnp_dt_property, \ |
| 5219 | &chip->prop); \ |
| 5220 | \ |
| 5221 | if ((retval == -EINVAL) && optional) \ |
| 5222 | retval = 0; \ |
| 5223 | else if (retval) \ |
| 5224 | pr_err("Error reading " #qpnp_dt_property \ |
| 5225 | " property rc = %d\n", rc); \ |
| 5226 | } while (0) |
| 5227 | |
| 5228 | static int |
| 5229 | qpnp_charger_read_dt_props(struct qpnp_chg_chip *chip) |
| 5230 | { |
| 5231 | int rc = 0; |
David Keitel | 796882d | 2013-05-14 18:01:11 -0700 | [diff] [blame] | 5232 | const char *bpd; |
David Keitel | 112ba9c | 2013-04-12 18:40:43 -0700 | [diff] [blame] | 5233 | |
| 5234 | OF_PROP_READ(chip, max_voltage_mv, "vddmax-mv", rc, 0); |
| 5235 | OF_PROP_READ(chip, min_voltage_mv, "vinmin-mv", rc, 0); |
| 5236 | OF_PROP_READ(chip, safe_voltage_mv, "vddsafe-mv", rc, 0); |
| 5237 | OF_PROP_READ(chip, resume_delta_mv, "vbatdet-delta-mv", rc, 0); |
| 5238 | OF_PROP_READ(chip, safe_current, "ibatsafe-ma", rc, 0); |
| 5239 | OF_PROP_READ(chip, max_bat_chg_current, "ibatmax-ma", rc, 0); |
| 5240 | if (rc) |
| 5241 | pr_err("failed to read required dt parameters %d\n", rc); |
| 5242 | |
| 5243 | OF_PROP_READ(chip, term_current, "ibatterm-ma", rc, 1); |
| 5244 | OF_PROP_READ(chip, maxinput_dc_ma, "maxinput-dc-ma", rc, 1); |
| 5245 | OF_PROP_READ(chip, maxinput_usb_ma, "maxinput-usb-ma", rc, 1); |
| 5246 | OF_PROP_READ(chip, warm_bat_decidegc, "warm-bat-decidegc", rc, 1); |
| 5247 | OF_PROP_READ(chip, cool_bat_decidegc, "cool-bat-decidegc", rc, 1); |
David Keitel | a4b7b59 | 2013-04-11 18:34:35 -0700 | [diff] [blame] | 5248 | OF_PROP_READ(chip, tchg_mins, "tchg-mins", rc, 1); |
David Keitel | 89c1775 | 2013-06-28 14:52:48 -0700 | [diff] [blame] | 5249 | OF_PROP_READ(chip, hot_batt_p, "batt-hot-percentage", rc, 1); |
| 5250 | OF_PROP_READ(chip, cold_batt_p, "batt-cold-percentage", rc, 1); |
Xiaozhe Shi | 7fc4e3c | 2013-06-06 13:52:29 -0700 | [diff] [blame] | 5251 | OF_PROP_READ(chip, soc_resume_limit, "resume-soc", rc, 1); |
Prasad Sodagudi | c367801 | 2013-09-23 12:01:19 +0530 | [diff] [blame] | 5252 | OF_PROP_READ(chip, batt_weak_voltage_mv, "vbatweak-mv", rc, 1); |
David Keitel | bdbae45 | 2014-01-14 17:19:50 -0800 | [diff] [blame] | 5253 | OF_PROP_READ(chip, vbatdet_max_err_mv, "vbatdet-maxerr-mv", rc, 1); |
Xiaozhe Shi | 7fc4e3c | 2013-06-06 13:52:29 -0700 | [diff] [blame] | 5254 | |
David Keitel | 112ba9c | 2013-04-12 18:40:43 -0700 | [diff] [blame] | 5255 | if (rc) |
| 5256 | return rc; |
| 5257 | |
David Keitel | 796882d | 2013-05-14 18:01:11 -0700 | [diff] [blame] | 5258 | rc = of_property_read_string(chip->spmi->dev.of_node, |
| 5259 | "qcom,bpd-detection", &bpd); |
| 5260 | if (rc) { |
David Keitel | 0ef282b | 2013-05-29 16:04:57 -0700 | [diff] [blame] | 5261 | /* Select BAT_THM as default BPD scheme */ |
| 5262 | chip->bpd_detection = BPD_TYPE_BAT_THM; |
Siddartha Mohanadoss | 88a3fde | 2013-06-24 16:18:52 -0700 | [diff] [blame] | 5263 | rc = 0; |
David Keitel | 796882d | 2013-05-14 18:01:11 -0700 | [diff] [blame] | 5264 | } else { |
| 5265 | chip->bpd_detection = get_bpd(bpd); |
| 5266 | if (chip->bpd_detection < 0) { |
| 5267 | pr_err("failed to determine bpd schema %d\n", rc); |
| 5268 | return rc; |
| 5269 | } |
| 5270 | } |
| 5271 | |
David Keitel | bdbae45 | 2014-01-14 17:19:50 -0800 | [diff] [blame] | 5272 | if (!chip->vbatdet_max_err_mv) |
| 5273 | chip->vbatdet_max_err_mv = VBATDET_MAX_ERR_MV; |
| 5274 | |
David Keitel | 112ba9c | 2013-04-12 18:40:43 -0700 | [diff] [blame] | 5275 | /* Look up JEITA compliance parameters if cool and warm temp provided */ |
Zhenhua Huang | 4c593ec | 2013-08-13 17:22:58 +0800 | [diff] [blame] | 5276 | if (chip->cool_bat_decidegc || chip->warm_bat_decidegc) { |
Siddartha Mohanadoss | 88a3fde | 2013-06-24 16:18:52 -0700 | [diff] [blame] | 5277 | chip->adc_tm_dev = qpnp_get_adc_tm(chip->dev, "chg"); |
| 5278 | if (IS_ERR(chip->adc_tm_dev)) { |
| 5279 | rc = PTR_ERR(chip->adc_tm_dev); |
| 5280 | if (rc != -EPROBE_DEFER) |
| 5281 | pr_err("adc-tm not ready, defer probe\n"); |
David Keitel | 112ba9c | 2013-04-12 18:40:43 -0700 | [diff] [blame] | 5282 | return rc; |
| 5283 | } |
| 5284 | |
| 5285 | OF_PROP_READ(chip, warm_bat_chg_ma, "ibatmax-warm-ma", rc, 1); |
| 5286 | OF_PROP_READ(chip, cool_bat_chg_ma, "ibatmax-cool-ma", rc, 1); |
| 5287 | OF_PROP_READ(chip, warm_bat_mv, "warm-bat-mv", rc, 1); |
| 5288 | OF_PROP_READ(chip, cool_bat_mv, "cool-bat-mv", rc, 1); |
| 5289 | if (rc) |
| 5290 | return rc; |
| 5291 | } |
| 5292 | |
Abhijeet Dharmapurikar | 2d81b26 | 2013-11-14 19:15:05 -0800 | [diff] [blame] | 5293 | /* Get the use-external-rsense property */ |
| 5294 | chip->use_external_rsense = of_property_read_bool( |
| 5295 | chip->spmi->dev.of_node, |
| 5296 | "qcom,use-external-rsense"); |
| 5297 | |
David Keitel | 89c1775 | 2013-06-28 14:52:48 -0700 | [diff] [blame] | 5298 | /* Get the btc-disabled property */ |
| 5299 | chip->btc_disabled = of_property_read_bool(chip->spmi->dev.of_node, |
| 5300 | "qcom,btc-disabled"); |
| 5301 | |
David Keitel | 2586f0a | 2013-08-20 10:02:26 -0700 | [diff] [blame] | 5302 | ext_ovp_present = of_property_read_bool(chip->spmi->dev.of_node, |
| 5303 | "qcom,ext-ovp-present"); |
| 5304 | |
David Keitel | cd2e102 | 2014-05-02 17:25:15 -0700 | [diff] [blame] | 5305 | /* Check if external IOVP part is configured */ |
| 5306 | chip->ext_ovp_isns_gpio = of_get_named_gpio(chip->spmi->dev.of_node, |
| 5307 | "qcom,ext-ovp-isns-enable-gpio", 0); |
| 5308 | if (gpio_is_valid(chip->ext_ovp_isns_gpio)) { |
| 5309 | ext_ovp_isns_present = true; |
| 5310 | rc = of_property_read_u32(chip->spmi->dev.of_node, |
| 5311 | "qcom,ext-ovp-isns-r-ohm", &ext_ovp_isns_r); |
| 5312 | if (rc) |
| 5313 | return rc; |
| 5314 | } |
| 5315 | |
David Keitel | 112ba9c | 2013-04-12 18:40:43 -0700 | [diff] [blame] | 5316 | /* Get the charging-disabled property */ |
| 5317 | chip->charging_disabled = of_property_read_bool(chip->spmi->dev.of_node, |
| 5318 | "qcom,charging-disabled"); |
| 5319 | |
Wu Fenglin | 04ae6de | 2013-09-09 19:15:06 +0800 | [diff] [blame] | 5320 | chip->ovp_monitor_enable = of_property_read_bool(chip->spmi->dev.of_node, |
| 5321 | "qcom,ovp-monitor-en"); |
| 5322 | |
David Keitel | 8b68d2d | 2013-05-14 23:36:51 -0700 | [diff] [blame] | 5323 | /* Get the duty-cycle-100p property */ |
| 5324 | chip->duty_cycle_100p = of_property_read_bool( |
| 5325 | chip->spmi->dev.of_node, |
| 5326 | "qcom,duty-cycle-100p"); |
David Keitel | 8b68d2d | 2013-05-14 23:36:51 -0700 | [diff] [blame] | 5327 | |
David Keitel | 112ba9c | 2013-04-12 18:40:43 -0700 | [diff] [blame] | 5328 | /* Get the fake-batt-values property */ |
| 5329 | chip->use_default_batt_values = |
| 5330 | of_property_read_bool(chip->spmi->dev.of_node, |
| 5331 | "qcom,use-default-batt-values"); |
| 5332 | |
| 5333 | /* Disable charging when faking battery values */ |
| 5334 | if (chip->use_default_batt_values) |
| 5335 | chip->charging_disabled = true; |
| 5336 | |
Zhenhua Huang | dc33551 | 2013-10-30 11:45:15 +0800 | [diff] [blame] | 5337 | chip->power_stage_workaround_enable = |
| 5338 | of_property_read_bool(chip->spmi->dev.of_node, |
| 5339 | "qcom,power-stage-reduced"); |
| 5340 | |
Anirudh Ghayal | 42fc8a1 | 2013-10-21 17:42:54 -0700 | [diff] [blame] | 5341 | chip->ibat_calibration_enabled = |
| 5342 | of_property_read_bool(chip->spmi->dev.of_node, |
| 5343 | "qcom,ibat-calibration-enabled"); |
David Keitel | 975b535 | 2014-01-27 14:28:04 -0800 | [diff] [blame] | 5344 | chip->parallel_ovp_mode = |
| 5345 | of_property_read_bool(chip->spmi->dev.of_node, |
| 5346 | "qcom,parallel-ovp-mode"); |
Anirudh Ghayal | 42fc8a1 | 2013-10-21 17:42:54 -0700 | [diff] [blame] | 5347 | |
David Keitel | 112ba9c | 2013-04-12 18:40:43 -0700 | [diff] [blame] | 5348 | of_get_property(chip->spmi->dev.of_node, "qcom,thermal-mitigation", |
| 5349 | &(chip->thermal_levels)); |
| 5350 | |
| 5351 | if (chip->thermal_levels > sizeof(int)) { |
Prasad Sodagudi | db7bf15 | 2013-10-25 16:05:16 +0530 | [diff] [blame] | 5352 | chip->thermal_mitigation = devm_kzalloc(chip->dev, |
David Keitel | 112ba9c | 2013-04-12 18:40:43 -0700 | [diff] [blame] | 5353 | chip->thermal_levels, |
| 5354 | GFP_KERNEL); |
| 5355 | |
| 5356 | if (chip->thermal_mitigation == NULL) { |
| 5357 | pr_err("thermal mitigation kzalloc() failed.\n"); |
Prasad Sodagudi | db7bf15 | 2013-10-25 16:05:16 +0530 | [diff] [blame] | 5358 | return -ENOMEM; |
David Keitel | 112ba9c | 2013-04-12 18:40:43 -0700 | [diff] [blame] | 5359 | } |
| 5360 | |
| 5361 | chip->thermal_levels /= sizeof(int); |
| 5362 | rc = of_property_read_u32_array(chip->spmi->dev.of_node, |
| 5363 | "qcom,thermal-mitigation", |
| 5364 | chip->thermal_mitigation, chip->thermal_levels); |
| 5365 | if (rc) { |
| 5366 | pr_err("qcom,thermal-mitigation missing in dt\n"); |
| 5367 | return rc; |
| 5368 | } |
| 5369 | } |
| 5370 | |
| 5371 | return rc; |
| 5372 | } |
| 5373 | |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 5374 | static int __devinit |
| 5375 | qpnp_charger_probe(struct spmi_device *spmi) |
| 5376 | { |
| 5377 | u8 subtype; |
| 5378 | struct qpnp_chg_chip *chip; |
| 5379 | struct resource *resource; |
| 5380 | struct spmi_resource *spmi_resource; |
| 5381 | int rc = 0; |
| 5382 | |
Prasad Sodagudi | db7bf15 | 2013-10-25 16:05:16 +0530 | [diff] [blame] | 5383 | chip = devm_kzalloc(&spmi->dev, |
| 5384 | sizeof(struct qpnp_chg_chip), GFP_KERNEL); |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 5385 | if (chip == NULL) { |
| 5386 | pr_err("kzalloc() failed.\n"); |
| 5387 | return -ENOMEM; |
| 5388 | } |
| 5389 | |
David Keitel | fd305ee | 2013-07-19 20:19:06 -0700 | [diff] [blame] | 5390 | chip->prev_usb_max_ma = -EINVAL; |
Xiaozhe Shi | 78797cf | 2013-11-12 13:18:42 -0800 | [diff] [blame] | 5391 | chip->fake_battery_soc = -EINVAL; |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 5392 | chip->dev = &(spmi->dev); |
| 5393 | chip->spmi = spmi; |
| 5394 | |
| 5395 | chip->usb_psy = power_supply_get_by_name("usb"); |
| 5396 | if (!chip->usb_psy) { |
| 5397 | pr_err("usb supply not found deferring probe\n"); |
| 5398 | rc = -EPROBE_DEFER; |
| 5399 | goto fail_chg_enable; |
| 5400 | } |
| 5401 | |
David Keitel | ec3c0980 | 2013-06-13 13:05:30 -0700 | [diff] [blame] | 5402 | mutex_init(&chip->jeita_configure_lock); |
Wu Fenglin | 04ae6de | 2013-09-09 19:15:06 +0800 | [diff] [blame] | 5403 | spin_lock_init(&chip->usbin_health_monitor_lock); |
Abhijeet Dharmapurikar | e749700 | 2013-07-29 11:25:37 -0700 | [diff] [blame] | 5404 | alarm_init(&chip->reduce_power_stage_alarm, ANDROID_ALARM_RTC_WAKEUP, |
| 5405 | qpnp_chg_reduce_power_stage_callback); |
| 5406 | INIT_WORK(&chip->reduce_power_stage_work, |
| 5407 | qpnp_chg_reduce_power_stage_work); |
David Keitel | 6e63bd5 | 2013-09-06 18:00:03 -0700 | [diff] [blame] | 5408 | mutex_init(&chip->batfet_vreg_lock); |
David Keitel | 8b9bd31 | 2014-01-15 14:44:00 -0800 | [diff] [blame] | 5409 | INIT_WORK(&chip->ocp_clear_work, |
| 5410 | qpnp_chg_ocp_clear_work); |
David Keitel | 6e63bd5 | 2013-09-06 18:00:03 -0700 | [diff] [blame] | 5411 | INIT_WORK(&chip->batfet_lcl_work, |
| 5412 | qpnp_chg_batfet_lcl_work); |
Xiaozhe Shi | bc4f9ee | 2013-08-29 17:03:44 -0700 | [diff] [blame] | 5413 | INIT_WORK(&chip->insertion_ocv_work, |
| 5414 | qpnp_chg_insertion_ocv_work); |
Abhijeet Dharmapurikar | e749700 | 2013-07-29 11:25:37 -0700 | [diff] [blame] | 5415 | |
David Keitel | 112ba9c | 2013-04-12 18:40:43 -0700 | [diff] [blame] | 5416 | /* Get all device tree properties */ |
| 5417 | rc = qpnp_charger_read_dt_props(chip); |
| 5418 | if (rc) |
Prasad Sodagudi | db7bf15 | 2013-10-25 16:05:16 +0530 | [diff] [blame] | 5419 | return rc; |
David Keitel | 3dd5e0f | 2012-12-12 18:12:36 -0800 | [diff] [blame] | 5420 | |
David Keitel | cd2e102 | 2014-05-02 17:25:15 -0700 | [diff] [blame] | 5421 | if (ext_ovp_isns_present) |
| 5422 | chip->ext_ovp_ic_gpio_enabled = 0; |
| 5423 | |
Xiaozhe Shi | ca289e0 | 2013-06-19 13:24:51 -0700 | [diff] [blame] | 5424 | /* |
| 5425 | * Check if bat_if is set in DT and make sure VADC is present |
| 5426 | * Also try loading the battery data profile if bat_if exists |
| 5427 | */ |
David Keitel | dd87a17 | 2013-05-29 17:05:43 -0700 | [diff] [blame] | 5428 | spmi_for_each_container_dev(spmi_resource, spmi) { |
| 5429 | if (!spmi_resource) { |
| 5430 | pr_err("qpnp_chg: spmi resource absent\n"); |
| 5431 | rc = -ENXIO; |
| 5432 | goto fail_chg_enable; |
| 5433 | } |
| 5434 | |
| 5435 | resource = spmi_get_resource(spmi, spmi_resource, |
| 5436 | IORESOURCE_MEM, 0); |
| 5437 | if (!(resource && resource->start)) { |
| 5438 | pr_err("node %s IO resource absent!\n", |
| 5439 | spmi->dev.of_node->full_name); |
| 5440 | rc = -ENXIO; |
| 5441 | goto fail_chg_enable; |
| 5442 | } |
| 5443 | |
| 5444 | rc = qpnp_chg_read(chip, &subtype, |
| 5445 | resource->start + REG_OFFSET_PERP_SUBTYPE, 1); |
| 5446 | if (rc) { |
| 5447 | pr_err("Peripheral subtype read failed rc=%d\n", rc); |
| 5448 | goto fail_chg_enable; |
| 5449 | } |
| 5450 | |
| 5451 | if (subtype == SMBB_BAT_IF_SUBTYPE || |
| 5452 | subtype == SMBBP_BAT_IF_SUBTYPE || |
Siddartha Mohanadoss | 3cb2b6b | 2013-06-21 12:07:05 -0700 | [diff] [blame] | 5453 | subtype == SMBCL_BAT_IF_SUBTYPE) { |
| 5454 | chip->vadc_dev = qpnp_get_vadc(chip->dev, "chg"); |
| 5455 | if (IS_ERR(chip->vadc_dev)) { |
| 5456 | rc = PTR_ERR(chip->vadc_dev); |
| 5457 | if (rc != -EPROBE_DEFER) |
| 5458 | pr_err("vadc property missing\n"); |
David Keitel | dd87a17 | 2013-05-29 17:05:43 -0700 | [diff] [blame] | 5459 | goto fail_chg_enable; |
David Keitel | 42648fd | 2013-08-16 17:45:20 -0700 | [diff] [blame] | 5460 | } |
Xiaozhe Shi | ca289e0 | 2013-06-19 13:24:51 -0700 | [diff] [blame] | 5461 | |
Chunmei Cai | 76705f0 | 2014-12-11 09:48:42 +0800 | [diff] [blame] | 5462 | if (subtype == SMBB_BAT_IF_SUBTYPE || |
| 5463 | subtype == SMBBP_BAT_IF_SUBTYPE) { |
Abhijeet Dharmapurikar | 2d81b26 | 2013-11-14 19:15:05 -0800 | [diff] [blame] | 5464 | chip->iadc_dev = qpnp_get_iadc(chip->dev, |
| 5465 | "chg"); |
| 5466 | if (IS_ERR(chip->iadc_dev)) { |
| 5467 | rc = PTR_ERR(chip->iadc_dev); |
| 5468 | if (rc != -EPROBE_DEFER) |
| 5469 | pr_err("iadc property missing\n"); |
| 5470 | goto fail_chg_enable; |
| 5471 | } |
| 5472 | } |
| 5473 | |
Xiaozhe Shi | ca289e0 | 2013-06-19 13:24:51 -0700 | [diff] [blame] | 5474 | rc = qpnp_chg_load_battery_data(chip); |
| 5475 | if (rc) |
| 5476 | goto fail_chg_enable; |
David Keitel | dd87a17 | 2013-05-29 17:05:43 -0700 | [diff] [blame] | 5477 | } |
| 5478 | } |
| 5479 | |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 5480 | spmi_for_each_container_dev(spmi_resource, spmi) { |
| 5481 | if (!spmi_resource) { |
| 5482 | pr_err("qpnp_chg: spmi resource absent\n"); |
| 5483 | rc = -ENXIO; |
| 5484 | goto fail_chg_enable; |
| 5485 | } |
| 5486 | |
| 5487 | resource = spmi_get_resource(spmi, spmi_resource, |
| 5488 | IORESOURCE_MEM, 0); |
| 5489 | if (!(resource && resource->start)) { |
| 5490 | pr_err("node %s IO resource absent!\n", |
| 5491 | spmi->dev.of_node->full_name); |
| 5492 | rc = -ENXIO; |
| 5493 | goto fail_chg_enable; |
| 5494 | } |
| 5495 | |
| 5496 | rc = qpnp_chg_read(chip, &subtype, |
| 5497 | resource->start + REG_OFFSET_PERP_SUBTYPE, 1); |
| 5498 | if (rc) { |
| 5499 | pr_err("Peripheral subtype read failed rc=%d\n", rc); |
| 5500 | goto fail_chg_enable; |
| 5501 | } |
| 5502 | |
| 5503 | switch (subtype) { |
| 5504 | case SMBB_CHGR_SUBTYPE: |
David Keitel | f2170cc | 2013-02-20 17:49:03 -0800 | [diff] [blame] | 5505 | case SMBBP_CHGR_SUBTYPE: |
David Keitel | 46c9f7b | 2013-04-02 19:54:12 -0700 | [diff] [blame] | 5506 | case SMBCL_CHGR_SUBTYPE: |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 5507 | chip->chgr_base = resource->start; |
| 5508 | rc = qpnp_chg_hwinit(chip, subtype, spmi_resource); |
| 5509 | if (rc) { |
| 5510 | pr_err("Failed to init subtype 0x%x rc=%d\n", |
| 5511 | subtype, rc); |
| 5512 | goto fail_chg_enable; |
| 5513 | } |
| 5514 | break; |
| 5515 | case SMBB_BUCK_SUBTYPE: |
David Keitel | f2170cc | 2013-02-20 17:49:03 -0800 | [diff] [blame] | 5516 | case SMBBP_BUCK_SUBTYPE: |
David Keitel | 46c9f7b | 2013-04-02 19:54:12 -0700 | [diff] [blame] | 5517 | case SMBCL_BUCK_SUBTYPE: |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 5518 | chip->buck_base = resource->start; |
| 5519 | rc = qpnp_chg_hwinit(chip, subtype, spmi_resource); |
| 5520 | if (rc) { |
| 5521 | pr_err("Failed to init subtype 0x%x rc=%d\n", |
| 5522 | subtype, rc); |
| 5523 | goto fail_chg_enable; |
| 5524 | } |
David Keitel | 344c697 | 2013-04-09 19:28:21 -0700 | [diff] [blame] | 5525 | |
| 5526 | rc = qpnp_chg_masked_write(chip, |
| 5527 | chip->buck_base + SEC_ACCESS, |
| 5528 | 0xFF, |
| 5529 | 0xA5, 1); |
| 5530 | |
| 5531 | rc = qpnp_chg_masked_write(chip, |
| 5532 | chip->buck_base + BUCK_VCHG_OV, |
| 5533 | 0xff, |
| 5534 | 0x00, 1); |
| 5535 | |
David Keitel | dbc949b | 2013-07-11 10:56:03 -0700 | [diff] [blame] | 5536 | if (chip->duty_cycle_100p) { |
| 5537 | rc = qpnp_buck_set_100_duty_cycle_enable(chip, |
| 5538 | 1); |
| 5539 | if (rc) { |
| 5540 | pr_err("failed to set duty cycle %d\n", |
| 5541 | rc); |
| 5542 | goto fail_chg_enable; |
| 5543 | } |
| 5544 | } |
| 5545 | |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 5546 | break; |
| 5547 | case SMBB_BAT_IF_SUBTYPE: |
David Keitel | f2170cc | 2013-02-20 17:49:03 -0800 | [diff] [blame] | 5548 | case SMBBP_BAT_IF_SUBTYPE: |
David Keitel | 46c9f7b | 2013-04-02 19:54:12 -0700 | [diff] [blame] | 5549 | case SMBCL_BAT_IF_SUBTYPE: |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 5550 | chip->bat_if_base = resource->start; |
| 5551 | rc = qpnp_chg_hwinit(chip, subtype, spmi_resource); |
| 5552 | if (rc) { |
| 5553 | pr_err("Failed to init subtype 0x%x rc=%d\n", |
| 5554 | subtype, rc); |
| 5555 | goto fail_chg_enable; |
| 5556 | } |
| 5557 | break; |
| 5558 | case SMBB_USB_CHGPTH_SUBTYPE: |
David Keitel | f2170cc | 2013-02-20 17:49:03 -0800 | [diff] [blame] | 5559 | case SMBBP_USB_CHGPTH_SUBTYPE: |
David Keitel | 46c9f7b | 2013-04-02 19:54:12 -0700 | [diff] [blame] | 5560 | case SMBCL_USB_CHGPTH_SUBTYPE: |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 5561 | chip->usb_chgpth_base = resource->start; |
| 5562 | rc = qpnp_chg_hwinit(chip, subtype, spmi_resource); |
| 5563 | if (rc) { |
David Keitel | 6dc4ed4 | 2013-05-17 11:08:58 -0700 | [diff] [blame] | 5564 | if (rc != -EPROBE_DEFER) |
| 5565 | pr_err("Failed to init subtype 0x%x rc=%d\n", |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 5566 | subtype, rc); |
| 5567 | goto fail_chg_enable; |
| 5568 | } |
| 5569 | break; |
| 5570 | case SMBB_DC_CHGPTH_SUBTYPE: |
| 5571 | chip->dc_chgpth_base = resource->start; |
| 5572 | rc = qpnp_chg_hwinit(chip, subtype, spmi_resource); |
| 5573 | if (rc) { |
| 5574 | pr_err("Failed to init subtype 0x%x rc=%d\n", |
| 5575 | subtype, rc); |
| 5576 | goto fail_chg_enable; |
| 5577 | } |
| 5578 | break; |
| 5579 | case SMBB_BOOST_SUBTYPE: |
David Keitel | f2170cc | 2013-02-20 17:49:03 -0800 | [diff] [blame] | 5580 | case SMBBP_BOOST_SUBTYPE: |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 5581 | chip->boost_base = resource->start; |
| 5582 | rc = qpnp_chg_hwinit(chip, subtype, spmi_resource); |
| 5583 | if (rc) { |
David Keitel | 6dc4ed4 | 2013-05-17 11:08:58 -0700 | [diff] [blame] | 5584 | if (rc != -EPROBE_DEFER) |
| 5585 | pr_err("Failed to init subtype 0x%x rc=%d\n", |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 5586 | subtype, rc); |
| 5587 | goto fail_chg_enable; |
| 5588 | } |
| 5589 | break; |
| 5590 | case SMBB_MISC_SUBTYPE: |
David Keitel | f2170cc | 2013-02-20 17:49:03 -0800 | [diff] [blame] | 5591 | case SMBBP_MISC_SUBTYPE: |
David Keitel | 46c9f7b | 2013-04-02 19:54:12 -0700 | [diff] [blame] | 5592 | case SMBCL_MISC_SUBTYPE: |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 5593 | chip->misc_base = resource->start; |
| 5594 | rc = qpnp_chg_hwinit(chip, subtype, spmi_resource); |
| 5595 | if (rc) { |
| 5596 | pr_err("Failed to init subtype=0x%x rc=%d\n", |
| 5597 | subtype, rc); |
| 5598 | goto fail_chg_enable; |
| 5599 | } |
| 5600 | break; |
| 5601 | default: |
| 5602 | pr_err("Invalid peripheral subtype=0x%x\n", subtype); |
| 5603 | rc = -EINVAL; |
| 5604 | goto fail_chg_enable; |
| 5605 | } |
| 5606 | } |
| 5607 | dev_set_drvdata(&spmi->dev, chip); |
| 5608 | device_init_wakeup(&spmi->dev, 1); |
| 5609 | |
Xiaozhe Shi | bc4f9ee | 2013-08-29 17:03:44 -0700 | [diff] [blame] | 5610 | chip->insertion_ocv_uv = -EINVAL; |
| 5611 | chip->batt_present = qpnp_chg_is_batt_present(chip); |
David Keitel | f2170cc | 2013-02-20 17:49:03 -0800 | [diff] [blame] | 5612 | if (chip->bat_if_base) { |
David Keitel | f2170cc | 2013-02-20 17:49:03 -0800 | [diff] [blame] | 5613 | chip->batt_psy.name = "battery"; |
| 5614 | chip->batt_psy.type = POWER_SUPPLY_TYPE_BATTERY; |
| 5615 | chip->batt_psy.properties = msm_batt_power_props; |
| 5616 | chip->batt_psy.num_properties = |
| 5617 | ARRAY_SIZE(msm_batt_power_props); |
| 5618 | chip->batt_psy.get_property = qpnp_batt_power_get_property; |
| 5619 | chip->batt_psy.set_property = qpnp_batt_power_set_property; |
| 5620 | chip->batt_psy.property_is_writeable = |
| 5621 | qpnp_batt_property_is_writeable; |
| 5622 | chip->batt_psy.external_power_changed = |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 5623 | qpnp_batt_external_power_changed; |
Xiaozhe Shi | 890fbf4 | 2013-05-02 16:42:53 -0700 | [diff] [blame] | 5624 | chip->batt_psy.supplied_to = pm_batt_supplied_to; |
| 5625 | chip->batt_psy.num_supplicants = |
| 5626 | ARRAY_SIZE(pm_batt_supplied_to); |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 5627 | |
David Keitel | f2170cc | 2013-02-20 17:49:03 -0800 | [diff] [blame] | 5628 | rc = power_supply_register(chip->dev, &chip->batt_psy); |
| 5629 | if (rc < 0) { |
| 5630 | pr_err("batt failed to register rc = %d\n", rc); |
| 5631 | goto fail_chg_enable; |
| 5632 | } |
David Keitel | 79f4c93 | 2013-04-03 16:08:39 -0700 | [diff] [blame] | 5633 | INIT_WORK(&chip->adc_measure_work, |
| 5634 | qpnp_bat_if_adc_measure_work); |
David Keitel | aa37556 | 2013-08-08 09:43:28 -0700 | [diff] [blame] | 5635 | INIT_WORK(&chip->adc_disable_work, |
David Keitel | ecab15a | 2013-08-06 15:41:39 -0700 | [diff] [blame] | 5636 | qpnp_bat_if_adc_disable_work); |
David Keitel | c7093b0 | 2013-02-14 12:50:04 -0800 | [diff] [blame] | 5637 | } |
| 5638 | |
David Keitel | 9fd0738 | 2013-05-02 15:37:44 -0700 | [diff] [blame] | 5639 | INIT_DELAYED_WORK(&chip->eoc_work, qpnp_eoc_work); |
David Keitel | 5910eea | 2013-05-02 15:32:25 -0700 | [diff] [blame] | 5640 | INIT_DELAYED_WORK(&chip->arb_stop_work, qpnp_arb_stop_work); |
Wu Fenglin | 04ae6de | 2013-09-09 19:15:06 +0800 | [diff] [blame] | 5641 | INIT_DELAYED_WORK(&chip->usbin_health_check, |
| 5642 | qpnp_usbin_health_check_work); |
Xiaozhe Shi | 8fbbadc | 2013-07-31 10:59:09 -0700 | [diff] [blame] | 5643 | INIT_WORK(&chip->soc_check_work, qpnp_chg_soc_check_work); |
David Keitel | 7ac385e | 2013-08-19 18:02:40 -0700 | [diff] [blame] | 5644 | INIT_DELAYED_WORK(&chip->aicl_check_work, qpnp_aicl_check_work); |
David Keitel | 5910eea | 2013-05-02 15:32:25 -0700 | [diff] [blame] | 5645 | |
David Keitel | f2170cc | 2013-02-20 17:49:03 -0800 | [diff] [blame] | 5646 | if (chip->dc_chgpth_base) { |
| 5647 | chip->dc_psy.name = "qpnp-dc"; |
| 5648 | chip->dc_psy.type = POWER_SUPPLY_TYPE_MAINS; |
| 5649 | chip->dc_psy.supplied_to = pm_power_supplied_to; |
| 5650 | chip->dc_psy.num_supplicants = ARRAY_SIZE(pm_power_supplied_to); |
| 5651 | chip->dc_psy.properties = pm_power_props_mains; |
| 5652 | chip->dc_psy.num_properties = ARRAY_SIZE(pm_power_props_mains); |
| 5653 | chip->dc_psy.get_property = qpnp_power_get_property_mains; |
David Keitel | 432e123 | 2013-06-05 16:10:18 -0700 | [diff] [blame] | 5654 | chip->dc_psy.set_property = qpnp_dc_power_set_property; |
| 5655 | chip->dc_psy.property_is_writeable = |
| 5656 | qpnp_dc_property_is_writeable; |
David Keitel | f2170cc | 2013-02-20 17:49:03 -0800 | [diff] [blame] | 5657 | |
| 5658 | rc = power_supply_register(chip->dev, &chip->dc_psy); |
| 5659 | if (rc < 0) { |
| 5660 | pr_err("power_supply_register dc failed rc=%d\n", rc); |
| 5661 | goto unregister_batt; |
| 5662 | } |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 5663 | } |
| 5664 | |
Sridhar Parasuram | ae183bd | 2012-12-21 09:28:46 -0800 | [diff] [blame] | 5665 | /* Turn on appropriate workaround flags */ |
Abhijeet Dharmapurikar | e749700 | 2013-07-29 11:25:37 -0700 | [diff] [blame] | 5666 | rc = qpnp_chg_setup_flags(chip); |
| 5667 | if (rc < 0) { |
| 5668 | pr_err("failed to setup flags rc=%d\n", rc); |
| 5669 | goto unregister_dc_psy; |
| 5670 | } |
Sridhar Parasuram | ae183bd | 2012-12-21 09:28:46 -0800 | [diff] [blame] | 5671 | |
David Keitel | f2170cc | 2013-02-20 17:49:03 -0800 | [diff] [blame] | 5672 | if (chip->maxinput_dc_ma && chip->dc_chgpth_base) { |
David Keitel | 22ed223 | 2013-01-28 11:04:07 -0800 | [diff] [blame] | 5673 | rc = qpnp_chg_idcmax_set(chip, chip->maxinput_dc_ma); |
| 5674 | if (rc) { |
| 5675 | pr_err("Error setting idcmax property %d\n", rc); |
Abhijeet Dharmapurikar | e749700 | 2013-07-29 11:25:37 -0700 | [diff] [blame] | 5676 | goto unregister_dc_psy; |
David Keitel | 22ed223 | 2013-01-28 11:04:07 -0800 | [diff] [blame] | 5677 | } |
| 5678 | } |
| 5679 | |
Zhenhua Huang | 4c593ec | 2013-08-13 17:22:58 +0800 | [diff] [blame] | 5680 | if ((chip->cool_bat_decidegc || chip->warm_bat_decidegc) |
David Keitel | 0aea18a | 2013-06-14 18:57:57 -0700 | [diff] [blame] | 5681 | && chip->bat_if_base) { |
David Keitel | 0c1a453 | 2013-03-21 16:39:06 -0700 | [diff] [blame] | 5682 | chip->adc_param.low_temp = chip->cool_bat_decidegc; |
| 5683 | chip->adc_param.high_temp = chip->warm_bat_decidegc; |
David Keitel | 454ee84 | 2013-03-08 16:19:11 -0800 | [diff] [blame] | 5684 | chip->adc_param.timer_interval = ADC_MEAS2_INTERVAL_1S; |
| 5685 | chip->adc_param.state_request = ADC_TM_HIGH_LOW_THR_ENABLE; |
| 5686 | chip->adc_param.btm_ctx = chip; |
| 5687 | chip->adc_param.threshold_notification = |
| 5688 | qpnp_chg_adc_notification; |
Siddartha Mohanadoss | a3e3551 | 2013-02-22 17:06:07 -0800 | [diff] [blame] | 5689 | chip->adc_param.channel = LR_MUX1_BATT_THERM; |
David Keitel | 0c1a453 | 2013-03-21 16:39:06 -0700 | [diff] [blame] | 5690 | |
| 5691 | if (get_prop_batt_present(chip)) { |
Siddartha Mohanadoss | 88a3fde | 2013-06-24 16:18:52 -0700 | [diff] [blame] | 5692 | rc = qpnp_adc_tm_channel_measure(chip->adc_tm_dev, |
| 5693 | &chip->adc_param); |
David Keitel | 0c1a453 | 2013-03-21 16:39:06 -0700 | [diff] [blame] | 5694 | if (rc) { |
| 5695 | pr_err("request ADC error %d\n", rc); |
Abhijeet Dharmapurikar | e749700 | 2013-07-29 11:25:37 -0700 | [diff] [blame] | 5696 | goto unregister_dc_psy; |
David Keitel | 0c1a453 | 2013-03-21 16:39:06 -0700 | [diff] [blame] | 5697 | } |
David Keitel | 454ee84 | 2013-03-08 16:19:11 -0800 | [diff] [blame] | 5698 | } |
| 5699 | } |
David Keitel | 89c1775 | 2013-06-28 14:52:48 -0700 | [diff] [blame] | 5700 | rc = qpnp_chg_bat_if_configure_btc(chip); |
| 5701 | if (rc) { |
| 5702 | pr_err("failed to configure btc %d\n", rc); |
Abhijeet Dharmapurikar | e749700 | 2013-07-29 11:25:37 -0700 | [diff] [blame] | 5703 | goto unregister_dc_psy; |
David Keitel | 89c1775 | 2013-06-28 14:52:48 -0700 | [diff] [blame] | 5704 | } |
David Keitel | 454ee84 | 2013-03-08 16:19:11 -0800 | [diff] [blame] | 5705 | |
wangxl | f0e6b1f | 2014-12-31 09:51:40 +0800 | [diff] [blame] | 5706 | #ifdef CONFIG_TCMD |
| 5707 | the_chip = chip; |
| 5708 | #endif |
| 5709 | |
David Keitel | cd2e102 | 2014-05-02 17:25:15 -0700 | [diff] [blame] | 5710 | chip->usb_trim_default = qpnp_chg_iusb_trim_get(chip); |
David Keitel | 03ee6b5 | 2012-10-22 12:25:19 -0700 | [diff] [blame] | 5711 | qpnp_chg_charge_en(chip, !chip->charging_disabled); |
David Keitel | b1ddb74 | 2012-11-06 19:05:51 -0800 | [diff] [blame] | 5712 | qpnp_chg_force_run_on_batt(chip, chip->charging_disabled); |
Xiaozhe Shi | 79a8c49 | 2013-05-24 13:09:23 -0700 | [diff] [blame] | 5713 | qpnp_chg_set_appropriate_vddmax(chip); |
David Keitel | bf35904 | 2012-10-19 16:54:58 -0700 | [diff] [blame] | 5714 | |
David Keitel | bf2edba | 2014-03-05 10:49:32 -0800 | [diff] [blame] | 5715 | if (chip->parallel_ovp_mode) { |
| 5716 | rc = override_dcin_ilimit(chip, 1); |
| 5717 | if (rc) { |
| 5718 | pr_err("Override DCIN LLIMIT %d\n", rc); |
| 5719 | goto unregister_dc_psy; |
| 5720 | } |
| 5721 | } |
| 5722 | |
David Keitel | 0f35be4 | 2013-04-16 11:10:40 -0700 | [diff] [blame] | 5723 | rc = qpnp_chg_request_irqs(chip); |
| 5724 | if (rc) { |
| 5725 | pr_err("failed to request interrupts %d\n", rc); |
Abhijeet Dharmapurikar | e749700 | 2013-07-29 11:25:37 -0700 | [diff] [blame] | 5726 | goto unregister_dc_psy; |
David Keitel | 0f35be4 | 2013-04-16 11:10:40 -0700 | [diff] [blame] | 5727 | } |
| 5728 | |
David Keitel | 7e38f51 | 2013-11-19 11:15:11 -0800 | [diff] [blame] | 5729 | qpnp_chg_usb_chg_gone_irq_handler(chip->chg_gone.irq, chip); |
David Keitel | ad980fc | 2013-07-30 18:12:02 -0700 | [diff] [blame] | 5730 | qpnp_chg_usb_usbin_valid_irq_handler(chip->usbin_valid.irq, chip); |
| 5731 | qpnp_chg_dc_dcin_valid_irq_handler(chip->dcin_valid.irq, chip); |
David Keitel | 9fd0738 | 2013-05-02 15:37:44 -0700 | [diff] [blame] | 5732 | power_supply_set_present(chip->usb_psy, |
| 5733 | qpnp_chg_is_usb_chg_plugged_in(chip)); |
| 5734 | |
David Keitel | 3c62b47 | 2013-05-06 15:38:11 -0700 | [diff] [blame] | 5735 | /* Set USB psy online to avoid userspace from shutting down if battery |
| 5736 | * capacity is at zero and no chargers online. */ |
| 5737 | if (qpnp_chg_is_usb_chg_plugged_in(chip)) |
| 5738 | power_supply_set_online(chip->usb_psy, 1); |
| 5739 | |
David Keitel | 7ac385e | 2013-08-19 18:02:40 -0700 | [diff] [blame] | 5740 | schedule_delayed_work(&chip->aicl_check_work, |
| 5741 | msecs_to_jiffies(EOC_CHECK_PERIOD_MS)); |
David Keitel | 796882d | 2013-05-14 18:01:11 -0700 | [diff] [blame] | 5742 | pr_info("success chg_dis = %d, bpd = %d, usb = %d, dc = %d b_health = %d batt_present = %d\n", |
Abhijeet Dharmapurikar | 2d996b1 | 2013-01-03 17:48:02 -0800 | [diff] [blame] | 5743 | chip->charging_disabled, |
David Keitel | 796882d | 2013-05-14 18:01:11 -0700 | [diff] [blame] | 5744 | chip->bpd_detection, |
Abhijeet Dharmapurikar | 2d996b1 | 2013-01-03 17:48:02 -0800 | [diff] [blame] | 5745 | qpnp_chg_is_usb_chg_plugged_in(chip), |
| 5746 | qpnp_chg_is_dc_chg_plugged_in(chip), |
| 5747 | get_prop_batt_present(chip), |
| 5748 | get_prop_batt_health(chip)); |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 5749 | return 0; |
| 5750 | |
Abhijeet Dharmapurikar | e749700 | 2013-07-29 11:25:37 -0700 | [diff] [blame] | 5751 | unregister_dc_psy: |
| 5752 | if (chip->dc_chgpth_base) |
| 5753 | power_supply_unregister(&chip->dc_psy); |
David Keitel | c7093b0 | 2013-02-14 12:50:04 -0800 | [diff] [blame] | 5754 | unregister_batt: |
David Keitel | f2170cc | 2013-02-20 17:49:03 -0800 | [diff] [blame] | 5755 | if (chip->bat_if_base) |
| 5756 | power_supply_unregister(&chip->batt_psy); |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 5757 | fail_chg_enable: |
David Collins | cbb1213 | 2013-05-28 10:47:28 -0700 | [diff] [blame] | 5758 | regulator_unregister(chip->otg_vreg.rdev); |
| 5759 | regulator_unregister(chip->boost_vreg.rdev); |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 5760 | return rc; |
| 5761 | } |
| 5762 | |
| 5763 | static int __devexit |
| 5764 | qpnp_charger_remove(struct spmi_device *spmi) |
| 5765 | { |
| 5766 | struct qpnp_chg_chip *chip = dev_get_drvdata(&spmi->dev); |
Zhenhua Huang | 4c593ec | 2013-08-13 17:22:58 +0800 | [diff] [blame] | 5767 | if ((chip->cool_bat_decidegc || chip->warm_bat_decidegc) |
David Keitel | 0c1a453 | 2013-03-21 16:39:06 -0700 | [diff] [blame] | 5768 | && chip->batt_present) { |
Siddartha Mohanadoss | 88a3fde | 2013-06-24 16:18:52 -0700 | [diff] [blame] | 5769 | qpnp_adc_tm_disable_chan_meas(chip->adc_tm_dev, |
| 5770 | &chip->adc_param); |
David Keitel | 0c1a453 | 2013-03-21 16:39:06 -0700 | [diff] [blame] | 5771 | } |
Prasad Sodagudi | db7bf15 | 2013-10-25 16:05:16 +0530 | [diff] [blame] | 5772 | |
| 5773 | cancel_delayed_work_sync(&chip->aicl_check_work); |
| 5774 | power_supply_unregister(&chip->dc_psy); |
| 5775 | cancel_work_sync(&chip->soc_check_work); |
| 5776 | cancel_delayed_work_sync(&chip->usbin_health_check); |
| 5777 | cancel_delayed_work_sync(&chip->arb_stop_work); |
David Keitel | 9fd0738 | 2013-05-02 15:37:44 -0700 | [diff] [blame] | 5778 | cancel_delayed_work_sync(&chip->eoc_work); |
Prasad Sodagudi | db7bf15 | 2013-10-25 16:05:16 +0530 | [diff] [blame] | 5779 | cancel_work_sync(&chip->adc_disable_work); |
| 5780 | cancel_work_sync(&chip->adc_measure_work); |
| 5781 | power_supply_unregister(&chip->batt_psy); |
| 5782 | cancel_work_sync(&chip->batfet_lcl_work); |
| 5783 | cancel_work_sync(&chip->insertion_ocv_work); |
| 5784 | cancel_work_sync(&chip->reduce_power_stage_work); |
| 5785 | alarm_cancel(&chip->reduce_power_stage_alarm); |
| 5786 | |
| 5787 | mutex_destroy(&chip->batfet_vreg_lock); |
| 5788 | mutex_destroy(&chip->jeita_configure_lock); |
David Keitel | 79f4c93 | 2013-04-03 16:08:39 -0700 | [diff] [blame] | 5789 | |
David Collins | cbb1213 | 2013-05-28 10:47:28 -0700 | [diff] [blame] | 5790 | regulator_unregister(chip->otg_vreg.rdev); |
| 5791 | regulator_unregister(chip->boost_vreg.rdev); |
David Keitel | 6dc4ed4 | 2013-05-17 11:08:58 -0700 | [diff] [blame] | 5792 | |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 5793 | return 0; |
| 5794 | } |
| 5795 | |
David Keitel | 85ae434 | 2013-04-16 11:46:00 -0700 | [diff] [blame] | 5796 | static int qpnp_chg_resume(struct device *dev) |
| 5797 | { |
| 5798 | struct qpnp_chg_chip *chip = dev_get_drvdata(dev); |
| 5799 | int rc = 0; |
| 5800 | |
David Keitel | 3909357 | 2013-06-05 15:32:30 -0700 | [diff] [blame] | 5801 | if (chip->bat_if_base) { |
| 5802 | rc = qpnp_chg_masked_write(chip, |
| 5803 | chip->bat_if_base + BAT_IF_VREF_BAT_THM_CTRL, |
| 5804 | VREF_BATT_THERM_FORCE_ON, |
| 5805 | VREF_BATT_THERM_FORCE_ON, 1); |
| 5806 | if (rc) |
| 5807 | pr_debug("failed to force on VREF_BAT_THM rc=%d\n", rc); |
| 5808 | } |
David Keitel | 85ae434 | 2013-04-16 11:46:00 -0700 | [diff] [blame] | 5809 | |
| 5810 | return rc; |
| 5811 | } |
| 5812 | |
| 5813 | static int qpnp_chg_suspend(struct device *dev) |
| 5814 | { |
| 5815 | struct qpnp_chg_chip *chip = dev_get_drvdata(dev); |
| 5816 | int rc = 0; |
| 5817 | |
David Keitel | 3909357 | 2013-06-05 15:32:30 -0700 | [diff] [blame] | 5818 | if (chip->bat_if_base) { |
| 5819 | rc = qpnp_chg_masked_write(chip, |
| 5820 | chip->bat_if_base + BAT_IF_VREF_BAT_THM_CTRL, |
| 5821 | VREF_BATT_THERM_FORCE_ON, |
| 5822 | VREF_BAT_THM_ENABLED_FSM, 1); |
| 5823 | if (rc) |
| 5824 | pr_debug("failed to set FSM VREF_BAT_THM rc=%d\n", rc); |
| 5825 | } |
David Keitel | 85ae434 | 2013-04-16 11:46:00 -0700 | [diff] [blame] | 5826 | |
| 5827 | return rc; |
| 5828 | } |
| 5829 | |
David Keitel | 723d501 | 2013-05-03 13:17:27 -0700 | [diff] [blame] | 5830 | static const struct dev_pm_ops qpnp_chg_pm_ops = { |
David Keitel | 85ae434 | 2013-04-16 11:46:00 -0700 | [diff] [blame] | 5831 | .resume = qpnp_chg_resume, |
| 5832 | .suspend = qpnp_chg_suspend, |
| 5833 | }; |
| 5834 | |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 5835 | static struct spmi_driver qpnp_charger_driver = { |
| 5836 | .probe = qpnp_charger_probe, |
| 5837 | .remove = __devexit_p(qpnp_charger_remove), |
| 5838 | .driver = { |
David Keitel | 723d501 | 2013-05-03 13:17:27 -0700 | [diff] [blame] | 5839 | .name = QPNP_CHARGER_DEV_NAME, |
| 5840 | .owner = THIS_MODULE, |
| 5841 | .of_match_table = qpnp_charger_match_table, |
| 5842 | .pm = &qpnp_chg_pm_ops, |
David Keitel | 8066895 | 2012-07-27 14:25:49 -0700 | [diff] [blame] | 5843 | }, |
| 5844 | }; |
| 5845 | |
| 5846 | /** |
| 5847 | * qpnp_chg_init() - register spmi driver for qpnp-chg |
| 5848 | */ |
| 5849 | int __init |
| 5850 | qpnp_chg_init(void) |
| 5851 | { |
| 5852 | return spmi_driver_register(&qpnp_charger_driver); |
| 5853 | } |
| 5854 | module_init(qpnp_chg_init); |
| 5855 | |
| 5856 | static void __exit |
| 5857 | qpnp_chg_exit(void) |
| 5858 | { |
| 5859 | spmi_driver_unregister(&qpnp_charger_driver); |
| 5860 | } |
| 5861 | module_exit(qpnp_chg_exit); |
| 5862 | |
| 5863 | |
| 5864 | MODULE_DESCRIPTION("QPNP charger driver"); |
| 5865 | MODULE_LICENSE("GPL v2"); |
| 5866 | MODULE_ALIAS("platform:" QPNP_CHARGER_DEV_NAME); |