diff options
| author | Tao Huang <huangtao@rock-chips.com> | 2018-11-03 14:48:02 +0800 |
|---|---|---|
| committer | Tao Huang <huangtao@rock-chips.com> | 2018-11-03 14:48:02 +0800 |
| commit | e77e72667412015ffe7394b13a51568127a61280 (patch) | |
| tree | 400d6b22af5880c77a19fdff47a24c993493fa52 /drivers/power | |
| parent | 0a93aa08db54045082dc3f5c043d62f825e09cf7 (diff) | |
drivers/mfd: remove unused twl6030 driver
Change-Id: I1edeb3c4cce065bce8efa578b6b118cdd1d286a3
Signed-off-by: Tao Huang <huangtao@rock-chips.com>
Diffstat (limited to 'drivers/power')
| -rw-r--r-- | drivers/power/twl6030_bci_battery.c | 3331 |
1 files changed, 0 insertions, 3331 deletions
diff --git a/drivers/power/twl6030_bci_battery.c b/drivers/power/twl6030_bci_battery.c deleted file mode 100644 index 4441fe252dbc..000000000000 --- a/drivers/power/twl6030_bci_battery.c +++ /dev/null @@ -1,3331 +0,0 @@ -/* - * linux/drivers/power/twl6030_bci_battery.c - * - * OMAP4:TWL6030 battery driver for Linux - * - * Copyright (C) 2008-2009 Texas Instruments, Inc. - * Author: Texas Instruments, Inc. - * - * This package is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * THIS PACKAGE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED - * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. - */ - -#include <linux/init.h> -#include <linux/module.h> -#include <linux/device.h> -#include <linux/interrupt.h> -#include <linux/delay.h> -#include <linux/platform_device.h> -#include <linux/slab.h> -#include <linux/i2c/twl.h> -#include <linux/power_supply.h> -#include <linux/i2c/twl6030-gpadc.h> -#include <linux/i2c/bq2415x.h> -#include <linux/wakelock.h> -#include <linux/usb/otg.h> - -#include <mach/gpio.h> - -#define CONTROLLER_INT_MASK 0x00 -#define CONTROLLER_CTRL1 0x01 -#define CONTROLLER_WDG 0x02 -#define CONTROLLER_STAT1 0x03 -#define CHARGERUSB_INT_STATUS 0x04 -#define CHARGERUSB_INT_MASK 0x05 -#define CHARGERUSB_STATUS_INT1 0x06 -#define CHARGERUSB_STATUS_INT2 0x07 -#define CHARGERUSB_CTRL1 0x08 -#define CHARGERUSB_CTRL2 0x09 -#define CHARGERUSB_CTRL3 0x0A -#define CHARGERUSB_STAT1 0x0B -#define CHARGERUSB_VOREG 0x0C -#define CHARGERUSB_VICHRG 0x0D -#define CHARGERUSB_CINLIMIT 0x0E -#define CHARGERUSB_CTRLLIMIT1 0x0F -#define CHARGERUSB_CTRLLIMIT2 0x10 -#define ANTICOLLAPSE_CTRL1 0x11 -#define ANTICOLLAPSE_CTRL2 0x12 - -/* TWL6032 registers 0xDA to 0xDE - TWL6032_MODULE_CHARGER */ -#define CONTROLLER_CTRL2 0x00 -#define CONTROLLER_VSEL_COMP 0x01 -#define CHARGERUSB_VSYSREG 0x02 -#define CHARGERUSB_VICHRG_PC 0x03 -#define LINEAR_CHRG_STS 0x04 - -/* TWL6032 Charger Mode Register */ -#define CHARGER_MODE_REG 0xD4 -#define CHARGER_MODE_POWERPATH BIT(3) -#define CHARGER_MODE_AUTOCHARGE BIT(6) - -#define LINEAR_CHRG_STS_CRYSTL_OSC_OK 0x40 -#define LINEAR_CHRG_STS_END_OF_CHARGE 0x20 -#define LINEAR_CHRG_STS_VBATOV 0x10 -#define LINEAR_CHRG_STS_VSYSOV 0x08 -#define LINEAR_CHRG_STS_DPPM_STS 0x04 -#define LINEAR_CHRG_STS_CV_STS 0x02 -#define LINEAR_CHRG_STS_CC_STS 0x01 - -#define FG_REG_00 0x00 -#define FG_REG_01 0x01 -#define FG_REG_02 0x02 -#define FG_REG_03 0x03 -#define FG_REG_04 0x04 -#define FG_REG_05 0x05 -#define FG_REG_06 0x06 -#define FG_REG_07 0x07 -#define FG_REG_08 0x08 -#define FG_REG_09 0x09 -#define FG_REG_10 0x0A -#define FG_REG_11 0x0B - -/* CONTROLLER_INT_MASK */ -#define MVAC_FAULT (1 << 7) -#define MAC_EOC (1 << 6) -#define LINCH_GATED (1 << 5) -#define MBAT_REMOVED (1 << 4) -#define MFAULT_WDG (1 << 3) -#define MBAT_TEMP (1 << 2) -#define MVBUS_DET (1 << 1) -#define MVAC_DET (1 << 0) - -/* CONTROLLER_CTRL1 */ -#define CONTROLLER_CTRL1_EN_LINCH (1 << 5) -#define CONTROLLER_CTRL1_EN_CHARGER (1 << 4) -#define CONTROLLER_CTRL1_SEL_CHARGER (1 << 3) - -/* CONTROLLER_STAT1 */ -#define CONTROLLER_STAT1_EXTCHRG_STATZ (1 << 7) -#define CONTROLLER_STAT1_LINCH_GATED (1 << 6) -#define CONTROLLER_STAT1_CHRG_DET_N (1 << 5) -#define CONTROLLER_STAT1_FAULT_WDG (1 << 4) -#define CONTROLLER_STAT1_VAC_DET (1 << 3) -#define VAC_DET (1 << 3) -#define CONTROLLER_STAT1_VBUS_DET (1 << 2) -#define VBUS_DET (1 << 2) -#define CONTROLLER_STAT1_BAT_REMOVED (1 << 1) -#define CONTROLLER_STAT1_BAT_TEMP_OVRANGE (1 << 0) - -/* CHARGERUSB_INT_STATUS */ -#define EN_LINCH (1 << 4) -#define CURRENT_TERM_INT (1 << 3) -#define CHARGERUSB_STAT (1 << 2) -#define CHARGERUSB_THMREG (1 << 1) -#define CHARGERUSB_FAULT (1 << 0) - -/* CHARGERUSB_INT_MASK */ -#define MASK_MCURRENT_TERM (1 << 3) -#define MASK_MCHARGERUSB_STAT (1 << 2) -#define MASK_MCHARGERUSB_THMREG (1 << 1) -#define MASK_MCHARGERUSB_FAULT (1 << 0) - -/* CHARGERUSB_STATUS_INT1 */ -#define CHARGERUSB_STATUS_INT1_TMREG (1 << 7) -#define CHARGERUSB_STATUS_INT1_NO_BAT (1 << 6) -#define CHARGERUSB_STATUS_INT1_BST_OCP (1 << 5) -#define CHARGERUSB_STATUS_INT1_TH_SHUTD (1 << 4) -#define CHARGERUSB_STATUS_INT1_BAT_OVP (1 << 3) -#define CHARGERUSB_STATUS_INT1_POOR_SRC (1 << 2) -#define CHARGERUSB_STATUS_INT1_SLP_MODE (1 << 1) -#define CHARGERUSB_STATUS_INT1_VBUS_OVP (1 << 0) - -/* CHARGERUSB_STATUS_INT2 */ -#define ICCLOOP (1 << 3) -#define CURRENT_TERM (1 << 2) -#define CHARGE_DONE (1 << 1) -#define ANTICOLLAPSE (1 << 0) - -/* CHARGERUSB_CTRL1 */ -#define SUSPEND_BOOT (1 << 7) -#define OPA_MODE (1 << 6) -#define HZ_MODE (1 << 5) -#define TERM (1 << 4) - -/* CHARGERUSB_CTRL2 */ -#define CHARGERUSB_CTRL2_VITERM_50 (0 << 5) -#define CHARGERUSB_CTRL2_VITERM_100 (1 << 5) -#define CHARGERUSB_CTRL2_VITERM_150 (2 << 5) -#define CHARGERUSB_CTRL2_VITERM_400 (7 << 5) - -/* CHARGERUSB_CTRL3 */ -#define VBUSCHRG_LDO_OVRD (1 << 7) -#define CHARGE_ONCE (1 << 6) -#define BST_HW_PR_DIS (1 << 5) -#define AUTOSUPPLY (1 << 3) -#define BUCK_HSILIM (1 << 0) - -/* CHARGERUSB_VOREG */ -#define CHARGERUSB_VOREG_3P52 0x01 -#define CHARGERUSB_VOREG_4P0 0x19 -#define CHARGERUSB_VOREG_4P2 0x23 -#define CHARGERUSB_VOREG_4P76 0x3F - -/* CHARGERUSB_VICHRG */ -#define CHARGERUSB_VICHRG_300 0x0 -#define CHARGERUSB_VICHRG_500 0x4 -#define CHARGERUSB_VICHRG_1500 0xE - -/* CHARGERUSB_CINLIMIT */ -#define CHARGERUSB_CIN_LIMIT_100 0x1 -#define CHARGERUSB_CIN_LIMIT_300 0x5 -#define CHARGERUSB_CIN_LIMIT_500 0x9 -#define CHARGERUSB_CIN_LIMIT_NONE 0xF - -/* CHARGERUSB_CTRLLIMIT1 */ -#define VOREGL_4P16 0x21 -#define VOREGL_4P56 0x35 - -/* CHARGERUSB_CTRLLIMIT2 */ -#define CHARGERUSB_CTRLLIMIT2_1500 0x0E -#define LOCK_LIMIT (1 << 4) - -/* ANTICOLLAPSE_CTRL2 */ -#define BUCK_VTH_SHIFT 5 - -/* FG_REG_00 */ -#define CC_ACTIVE_MODE_SHIFT 6 -#define CC_AUTOCLEAR (1 << 2) -#define CC_CAL_EN (1 << 1) -#define CC_PAUSE (1 << 0) - -#define REG_TOGGLE1 0x90 -#define FGDITHS (1 << 7) -#define FGDITHR (1 << 6) -#define FGS (1 << 5) -#define FGR (1 << 4) - -/* TWL6030_GPADC_CTRL */ -#define GPADC_CTRL_TEMP1_EN (1 << 0) /* input ch 1 */ -#define GPADC_CTRL_TEMP2_EN (1 << 1) /* input ch 4 */ -#define GPADC_CTRL_SCALER_EN (1 << 2) /* input ch 2 */ -#define GPADC_CTRL_SCALER_DIV4 (1 << 3) -#define GPADC_CTRL_SCALER_EN_CH11 (1 << 4) /* input ch 11 */ -#define GPADC_CTRL_TEMP1_EN_MONITOR (1 << 5) -#define GPADC_CTRL_TEMP2_EN_MONITOR (1 << 6) -#define GPADC_CTRL_ISOURCE_EN (1 << 7) - -#define GPADC_ISOURCE_22uA 22 -#define GPADC_ISOURCE_7uA 7 - -/* TWL6030/6032 BATTERY VOLTAGE GPADC CHANNELS */ - -#define TWL6030_GPADC_VBAT_CHNL 0x07 -#define TWL6032_GPADC_VBAT_CHNL 0x12 - -/* TWL6030_GPADC_CTRL2 */ -#define GPADC_CTRL2_CH18_SCALER_EN BIT(2) - -#define ENABLE_ISOURCE 0x80 - -#define REG_MISC1 0xE4 -#define VAC_MEAS 0x04 -#define VBAT_MEAS 0x02 -#define BB_MEAS 0x01 - -#define REG_USB_VBUS_CTRL_SET 0x04 -#define VBUS_MEAS 0x01 -#define REG_USB_ID_CTRL_SET 0x06 -#define ID_MEAS 0x01 - -#define BBSPOR_CFG 0xE6 -#define BB_CHG_EN (1 << 3) - -#define STS_HW_CONDITIONS 0x21 -#define STS_USB_ID (1 << 2) /* Level status of USB ID */ - -#define BATTERY_RESISTOR 10000 -#define SIMULATOR_RESISTOR 5000 -#define BATTERY_DETECT_THRESHOLD ((BATTERY_RESISTOR + SIMULATOR_RESISTOR) / 2) //battery voltage threshold divided by 22uA -#define CHARGING_CAPACITY_UPDATE_PERIOD (1000 * 60 * 1) - - - -/************************************************************/ -#define TIMER_MS_COUNTS 1000 -#define NUM_DISCHARGE_MIN_SAMPLE 30 -#define NUM_CHARGE_MIN_SAMPLE 30 -/**************************************************************/ - -/* To get VBUS input limit from twl6030_usb */ -#if CONFIG_TWL6030_USB -extern unsigned int twl6030_get_usb_max_power(struct otg_transceiver *x); -#else -static inline unsigned int twl6030_get_usb_max_power(struct otg_transceiver *x) -{ - return 0; -}; -#endif - -/* Ptr to thermistor table */ -static const unsigned int fuelgauge_rate[4] = {1, 4, 16, 64}; -static struct wake_lock chrg_lock; - - -struct twl6030_bci_device_info { - struct device *dev; - - int voltage_mV; - int bk_voltage_mV; - int current_uA; - int current_avg_uA; - int temp_C; - int charge_status; - int vac_priority; - int bat_health; - int charger_source; - - int fuelgauge_mode; - int timer_n2; - int timer_n1; - s32 charge_n1; - s32 charge_n2; - s16 cc_offset; - u8 usb_online; - u8 ac_online; - u8 stat1; - u8 linear_stat; - u8 status_int1; - u8 status_int2; - - u8 gpadc_vbat_chnl; - u8 watchdog_duration; - u16 current_avg_interval; - u16 monitoring_interval; - unsigned int min_vbus; - - struct twl4030_bci_platform_data *platform_data; - - unsigned int charger_incurrentmA; - unsigned int charger_outcurrentmA; - unsigned long usb_max_power; - unsigned long event; - - unsigned int capacity; - unsigned int capacity_debounce_count; - unsigned long ac_next_refresh; - unsigned int prev_capacity; - unsigned int wakelock_enabled; - - struct power_supply bat; - struct power_supply usb; - struct power_supply ac; - struct power_supply bk_bat; - - struct otg_transceiver *otg; - struct notifier_block nb; - struct work_struct usb_work; - - struct workqueue_struct *freezable_work; - - struct delayed_work twl6030_bci_monitor_work; - struct delayed_work twl6030_current_avg_work; - - unsigned long features; - - int use_hw_charger; - int use_power_path; - - /* max scale current based on sense resitor */ - int current_max_scale; - struct delayed_work work; - unsigned int interval; - - int gBatCapacityDisChargeCnt; - int capacitytmp; - int usb_status; - int usb_old_satus; - int gBatCapacityChargeCnt; - int suspend_capacity; - int resume_status; -}; - -static BLOCKING_NOTIFIER_HEAD(notifier_list); -extern u32 wakeup_timer_seconds; - -static void twl6030_config_min_vbus_reg(struct twl6030_bci_device_info *di, - unsigned int value) -{ - u8 rd_reg = 0; - int ret; - - /* not required on TWL6032 */ - if (di->features & TWL6032_SUBCLASS) - return; - - if (value > 4760 || value < 4200) { - dev_err(di->dev, "invalid min vbus\n"); - return; - } - - ret = twl_i2c_read_u8(TWL6030_MODULE_CHARGER, &rd_reg, - ANTICOLLAPSE_CTRL2); - if (ret) - goto err; - rd_reg = rd_reg & 0x1F; - rd_reg = rd_reg | (((value - 4200)/80) << BUCK_VTH_SHIFT); - ret = twl_i2c_write_u8(TWL6030_MODULE_CHARGER, rd_reg, - ANTICOLLAPSE_CTRL2); - - if (!ret) - return; -err: - pr_err("%s: Error access to TWL6030 (%d)\n", __func__, ret); -} - -static void twl6030_config_iterm_reg(struct twl6030_bci_device_info *di, - unsigned int term_currentmA) -{ - int ret; - - if ((term_currentmA > 400) || (term_currentmA < 50)) { - dev_err(di->dev, "invalid termination current\n"); - return; - } - - term_currentmA = ((term_currentmA - 50)/50) << 5; - ret = twl_i2c_write_u8(TWL6030_MODULE_CHARGER, term_currentmA, - CHARGERUSB_CTRL2); - if (ret) - pr_err("%s: Error access to TWL6030 (%d)\n", __func__, ret); -} - -static unsigned int twl6030_get_iterm_reg(struct twl6030_bci_device_info *di) -{ - int ret; - unsigned int currentmA; - u8 val = 0; - - ret = twl_i2c_read_u8(TWL6030_MODULE_CHARGER, &val, CHARGERUSB_CTRL2); - if (ret) { - pr_err("%s: Error access to TWL6030 (%d)\n", __func__, ret); - currentmA = 0; - } else - currentmA = 50 + (val >> 5) * 50; - - return currentmA; -} - -static void twl6030_config_voreg_reg(struct twl6030_bci_device_info *di, - unsigned int voltagemV) -{ - int ret; - - if ((voltagemV < 3500) || (voltagemV > 4760)) { - dev_err(di->dev, "invalid charger_voltagemV\n"); - return; - } - - voltagemV = (voltagemV - 3500) / 20; - ret = twl_i2c_write_u8(TWL6030_MODULE_CHARGER, voltagemV, - CHARGERUSB_VOREG); - if (ret) - pr_err("%s: Error access to TWL6030 (%d)\n", __func__, ret); -} - -static unsigned int twl6030_get_voreg_reg(struct twl6030_bci_device_info *di) -{ - int ret; - unsigned int voltagemV; - u8 val = 0; - - ret = twl_i2c_read_u8(TWL6030_MODULE_CHARGER, &val, CHARGERUSB_VOREG); - if (ret) { - pr_err("%s: Error access to TWL6030 (%d)\n", __func__, ret); - voltagemV = 0; - } else - voltagemV = 3500 + (val * 20); - - return voltagemV; -} - -static void twl6030_config_vichrg_reg(struct twl6030_bci_device_info *di, - unsigned int currentmA) -{ - int ret; - - if ((currentmA >= 300) && (currentmA <= 450)) - currentmA = (currentmA - 300) / 50; - else if ((currentmA >= 500) && (currentmA <= 1500)) - currentmA = (currentmA - 500) / 100 + 4; - else { - dev_err(di->dev, "invalid charger_currentmA\n"); - return; - } - - ret = twl_i2c_write_u8(TWL6030_MODULE_CHARGER, currentmA, - CHARGERUSB_VICHRG); - if (ret) - pr_err("%s: Error access to TWL6030 (%d)\n", __func__, ret); -} - -static void twl6030_config_cinlimit_reg(struct twl6030_bci_device_info *di, - unsigned int currentmA) -{ - int ret; - - if ((currentmA >= 50) && (currentmA <= 750)) - currentmA = (currentmA - 50) / 50; - else if ((currentmA > 750) && (currentmA <= 1500) && - (di->features & TWL6032_SUBCLASS)) { - currentmA = ((currentmA % 100) ? 0x30 : 0x20) + - ((currentmA - 100) / 100); - } else if (currentmA < 50) { - dev_err(di->dev, "invalid input current limit\n"); - return; - } else { - /* This is no current limit */ - currentmA = 0x0F; - } - - ret = twl_i2c_write_u8(TWL6030_MODULE_CHARGER, currentmA, - CHARGERUSB_CINLIMIT); - if (ret) - pr_err("%s: Error access to TWL6030 (%d)\n", __func__, ret); -} - -static void twl6030_config_limit1_reg(struct twl6030_bci_device_info *di, - unsigned int voltagemV) -{ - int ret; - - if ((voltagemV < 3500) || (voltagemV > 4760)) { - dev_err(di->dev, "invalid max_charger_voltagemV\n"); - return; - } - - voltagemV = (voltagemV - 3500) / 20; - ret = twl_i2c_write_u8(TWL6030_MODULE_CHARGER, voltagemV, - CHARGERUSB_CTRLLIMIT1); - if (ret) - pr_err("%s: Error access to TWL6030 (%d)\n", __func__, ret); -} - -static unsigned int twl6030_get_limit1_reg(struct twl6030_bci_device_info *di) -{ - int ret; - unsigned int voltagemV; - u8 val = 0; - - ret = twl_i2c_read_u8(TWL6030_MODULE_CHARGER, &val, - CHARGERUSB_CTRLLIMIT1); - if (ret) { - pr_err("%s: Error access to TWL6030 (%d)\n", __func__, ret); - voltagemV = 0; - } else - voltagemV = 3500 + (val * 20); - - return voltagemV; -} - -static void twl6030_config_limit2_reg(struct twl6030_bci_device_info *di, - unsigned int currentmA) -{ - int ret; - - if ((currentmA >= 300) && (currentmA <= 450)) - currentmA = (currentmA - 300) / 50; - else if ((currentmA >= 500) && (currentmA <= 1500)) - currentmA = (currentmA - 500) / 100 + 4; - else { - dev_err(di->dev, "invalid max_charger_currentmA\n"); - return; - } - - currentmA |= LOCK_LIMIT; - ret = twl_i2c_write_u8(TWL6030_MODULE_CHARGER, currentmA, - CHARGERUSB_CTRLLIMIT2); - if (ret) - pr_err("%s: Error access to TWL6030 (%d)\n", __func__, ret); -} - -static const int vichrg[] = { - 300, 350, 400, 450, 500, 600, 700, 800, - 900, 1000, 1100, 1200, 1300, 1400, 1500, 300 -}; - -static unsigned int twl6030_get_limit2_reg(struct twl6030_bci_device_info *di) -{ - int ret; - unsigned int currentmA; - u8 val = 0; - - ret = twl_i2c_read_u8(TWL6030_MODULE_CHARGER, &val, - CHARGERUSB_CTRLLIMIT2); - if (ret) { - pr_err("%s: Error access to TWL6030 (%d)\n", __func__, ret); - currentmA = 0; - } else - currentmA = vichrg[val & 0xF]; - - return currentmA; -} - -/* - * Return channel value - * Or < 0 on failure. - */ -static int twl6030_get_gpadc_conversion(struct twl6030_bci_device_info *di, - int channel_no) -{ - struct twl6030_gpadc_request req; - int temp = 0; - int ret; - - req.channels = (1 << channel_no); - req.method = TWL6030_GPADC_SW2; - req.active = 0; - req.func_cb = NULL; - ret = twl6030_gpadc_conversion(&req); - if (ret < 0) - return ret; - - if (req.rbuf[channel_no] > 0) - temp = req.rbuf[channel_no]; - - return temp; -} - -static int is_battery_present(struct twl6030_bci_device_info *di) -{ - int val; - static unsigned int current_src_val; - - /* - * Prevent charging on batteries were id resistor is - * less than 5K. - */ - val = twl6030_get_gpadc_conversion(di,di->gpadc_vbat_chnl); - - /* - * twl6030_get_gpadc_conversion for - * 6030 return resistance, for 6032 - voltage and - * it should be converted to resistance before - * using. - */ - if (!current_src_val) { - u8 reg = 0; - - if (twl_i2c_read_u8(TWL_MODULE_MADC, ®, - TWL6030_GPADC_CTRL)) - pr_err("%s: Error reading TWL6030_GPADC_CTRL\n", - __func__); - - current_src_val = (reg & GPADC_CTRL_ISOURCE_EN) ? - GPADC_ISOURCE_22uA : - GPADC_ISOURCE_7uA; - } - - val = (val * 1000) / current_src_val; - - if (val < BATTERY_DETECT_THRESHOLD) - return 0; - - return 1; -} - -static void twl6030_stop_usb_charger(struct twl6030_bci_device_info *di) -{ - int ret; - u8 reg; - //printk("*************twl6030_stop_usb_charger***************\n"); - if (di->use_hw_charger) { - ret = twl_i2c_read_u8(TWL6030_MODULE_CHARGER, ®, - CHARGERUSB_CTRL1); - if (ret) - goto err; - reg |= HZ_MODE; - ret = twl_i2c_write_u8(TWL6030_MODULE_CHARGER, reg, - CHARGERUSB_CTRL1); - if (ret) - goto err; - - return; - } - - di->charger_source = 0; - di->charge_status = POWER_SUPPLY_STATUS_DISCHARGING; - - ret = twl_i2c_write_u8(TWL6030_MODULE_CHARGER, 0, CONTROLLER_CTRL1); - -err: - if (ret) - pr_err("%s: Error access to TWL6030 (%d)\n", __func__, ret); -} - -static void twl6030_start_usb_charger(struct twl6030_bci_device_info *di) -{ - int ret; - u8 reg; - - -//printk("***************twl6030_start_usb_charger*****************************************\n"); - - if (di->use_hw_charger) { - ret = twl_i2c_read_u8(TWL6030_MODULE_CHARGER, ®, - CHARGERUSB_CTRL1); - if (ret) - goto err; - - reg &= ~HZ_MODE; - ret = twl_i2c_write_u8(TWL6030_MODULE_CHARGER, reg, - CHARGERUSB_CTRL1); - if (ret) - goto err; - - return; - } - - if (!is_battery_present(di)) { - dev_info(di->dev, "BATTERY NOT DETECTED!\n"); - return; - } - - if (di->charger_source == POWER_SUPPLY_TYPE_MAINS) - return; - - dev_dbg(di->dev, "USB input current limit %dmA\n", - di->charger_incurrentmA); - if (di->charger_incurrentmA < 50) { - ret = twl_i2c_write_u8(TWL6030_MODULE_CHARGER, - 0, CONTROLLER_CTRL1); - if (ret) - goto err; - - return; - } - - twl6030_config_vichrg_reg(di, di->charger_outcurrentmA); - twl6030_config_cinlimit_reg(di, di->charger_incurrentmA); - twl6030_config_voreg_reg(di, di->platform_data->max_bat_voltagemV); - twl6030_config_iterm_reg(di, di->platform_data->termination_currentmA); - - if (di->charger_incurrentmA >= 50) { - reg = CONTROLLER_CTRL1_EN_CHARGER; - - if (di->use_power_path) - reg |= CONTROLLER_CTRL1_EN_LINCH; - - ret = twl_i2c_write_u8(TWL6030_MODULE_CHARGER, reg, - CONTROLLER_CTRL1); - if (ret) - goto err; - - di->charge_status = POWER_SUPPLY_STATUS_CHARGING; - } - return; -err: - pr_err("%s: Error access to TWL6030 (%d)\n", __func__, ret); -} - -static void twl6030_stop_ac_charger(struct twl6030_bci_device_info *di) -{ - long int events; - int ret; - - di->charger_source = 0; - di->charge_status = POWER_SUPPLY_STATUS_DISCHARGING; - events = BQ2415x_STOP_CHARGING; - - if (di->use_hw_charger) - return; - - blocking_notifier_call_chain(¬ifier_list, events, NULL); - - ret = twl_i2c_write_u8(TWL6030_MODULE_CHARGER, 0, CONTROLLER_CTRL1); - if (ret) - pr_err("%s: Error access to TWL6030 (%d)\n", __func__, ret); - - if (di->wakelock_enabled) - wake_unlock(&chrg_lock); -} - -static void twl6030_start_ac_charger(struct twl6030_bci_device_info *di) -{ - long int events; - int ret; - - if (!is_battery_present(di)) { - dev_info(di->dev, "BATTERY NOT DETECTED!\n"); - return; - } - dev_dbg(di->dev, "AC charger detected\n"); - di->charger_source = POWER_SUPPLY_TYPE_MAINS; - di->charge_status = POWER_SUPPLY_STATUS_CHARGING; - events = BQ2415x_START_CHARGING; - - if (di->use_hw_charger) - return; - - blocking_notifier_call_chain(¬ifier_list, events, NULL); - - ret = twl_i2c_write_u8(TWL6030_MODULE_CHARGER, - CONTROLLER_CTRL1_EN_CHARGER | - CONTROLLER_CTRL1_SEL_CHARGER, - CONTROLLER_CTRL1); - if (ret) - pr_err("%s: Error access to TWL6030 (%d)\n", __func__, ret); - - if (di->wakelock_enabled) - wake_lock(&chrg_lock); -} - -static void twl6030_stop_charger(struct twl6030_bci_device_info *di) -{ - //printk("$$$$$$$$$$$$twl6030_stop_charger$$$$$$$$$$$$\n"); - if (di->charger_source == POWER_SUPPLY_TYPE_MAINS) - twl6030_stop_ac_charger(di); - else if (di->charger_source == POWER_SUPPLY_TYPE_USB) - twl6030_stop_usb_charger(di); -} - -static void twl6032_charger_ctrl_interrupt(struct twl6030_bci_device_info *di) -{ - u8 stat_toggle, stat_reset, stat_set = 0; - u8 present_state = 0, linear_state; - u8 present_status = 0; - int err; - - err = twl_i2c_read_u8(TWL6032_MODULE_CHARGER, &present_state, - LINEAR_CHRG_STS); - if (err < 0) { - dev_err(di->dev, "%s: Error access to TWL6030 (%d)\n", - __func__, err); - return; - } - - err = twl_i2c_read_u8(TWL6032_MODULE_CHARGER, &present_status, - CHARGERUSB_INT_STATUS); - if (err < 0) { - dev_err(di->dev, "%s: Error access to TWL6030 (%d)\n", - __func__, err); - return; - } - - linear_state = di->linear_stat; - - stat_toggle = linear_state ^ present_state; - stat_set = stat_toggle & present_state; - stat_reset = stat_toggle & linear_state; - di->linear_stat = present_state; - - if (stat_set & LINEAR_CHRG_STS_CRYSTL_OSC_OK) - dev_dbg(di->dev, "Linear status: CRYSTAL OSC OK\n"); - if (present_state & LINEAR_CHRG_STS_END_OF_CHARGE) { - dev_dbg(di->dev, "Linear status: END OF CHARGE\n"); - di->charge_status = POWER_SUPPLY_STATUS_NOT_CHARGING; - } - if (present_status & EN_LINCH) { - dev_dbg(di->dev, "Linear status: START OF CHARGE\n"); - di->charge_status = POWER_SUPPLY_STATUS_CHARGING; - } - - if (stat_set & LINEAR_CHRG_STS_VBATOV) { - dev_dbg(di->dev, "Linear Status: VBATOV\n"); - di->bat_health = POWER_SUPPLY_HEALTH_OVERVOLTAGE; - } - if (stat_reset & LINEAR_CHRG_STS_VBATOV) { - dev_dbg(di->dev, "Linear Status: VBATOV\n"); - di->bat_health = POWER_SUPPLY_HEALTH_GOOD; - } - - if (stat_set & LINEAR_CHRG_STS_VSYSOV) - dev_dbg(di->dev, "Linear Status: VSYSOV\n"); - if (stat_set & LINEAR_CHRG_STS_DPPM_STS) - dev_dbg(di->dev, "Linear Status: DPPM STS\n"); - if (stat_set & LINEAR_CHRG_STS_CV_STS) - dev_dbg(di->dev, "Linear Status: CV STS\n"); - if (stat_set & LINEAR_CHRG_STS_CC_STS) - dev_dbg(di->dev, "Linear Status: CC STS\n"); -} - -/* - * Interrupt service routine - * - * Attends to TWL 6030 power module interruptions events, specifically - * USB_PRES (USB charger presence) CHG_PRES (AC charger presence) events - * - */ -static irqreturn_t twl6030charger_ctrl_interrupt(int irq, void *_di) -{ -// printk("%s\n", __func__); - - struct twl6030_bci_device_info *di = _di; - int ret; - int charger_fault = 0; - long int events; - u8 stat_toggle, stat_reset, stat_set = 0; - u8 charge_state = 0; - u8 present_charge_state = 0; - u8 ac_or_vbus, no_ac_and_vbus = 0; - u8 hw_state = 0, temp = 0; - - /* read charger controller_stat1 */ - ret = twl_i2c_read_u8(TWL6030_MODULE_CHARGER, &present_charge_state, - CONTROLLER_STAT1); - if (ret) { - /* - * Since present state read failed, charger_state is no - * longer valid, reset to zero inorder to detect next events - */ - charge_state = 0; - return IRQ_NONE; - } - - ret = twl_i2c_read_u8(TWL6030_MODULE_ID0, &hw_state, STS_HW_CONDITIONS); - if (ret) - goto err; - - charge_state = di->stat1; - - stat_toggle = charge_state ^ present_charge_state; - stat_set = stat_toggle & present_charge_state; - stat_reset = stat_toggle & charge_state; - - no_ac_and_vbus = !((present_charge_state) & (VBUS_DET | VAC_DET)); - ac_or_vbus = charge_state & (VBUS_DET | VAC_DET); - if (no_ac_and_vbus && ac_or_vbus) { - di->charger_source = 0; - dev_dbg(di->dev, "No Charging source\n"); - /* disable charging when no source present */ - } - - charge_state = present_charge_state; - di->stat1 = present_charge_state; - if ((charge_state & VAC_DET) && - (charge_state & CONTROLLER_STAT1_EXTCHRG_STATZ)) { - events = BQ2415x_CHARGER_FAULT; - blocking_notifier_call_chain(¬ifier_list, events, NULL); - } - - if (stat_reset & VBUS_DET) { - /* On a USB detach, UNMASK VBUS OVP if masked*/ - ret = twl_i2c_read_u8(TWL6030_MODULE_CHARGER, &temp, - CHARGERUSB_INT_MASK); - if (ret) - goto err; - - if (temp & MASK_MCHARGERUSB_FAULT) { - ret = twl_i2c_write_u8(TWL6030_MODULE_CHARGER, - (temp & ~MASK_MCHARGERUSB_FAULT), - CHARGERUSB_INT_MASK); - if (ret) - goto err; - } - di->usb_online = 0; - dev_info(di->dev, "usb removed\n"); - twl6030_stop_usb_charger(di); - if (present_charge_state & VAC_DET) - twl6030_start_ac_charger(di); - - } - - if (stat_set & VBUS_DET) { - /* In HOST mode (ID GROUND) when a device is connected, - * Mask VBUS OVP interrupt and do no enable usb - * charging - */ - if (hw_state & STS_USB_ID) { - ret = twl_i2c_read_u8(TWL6030_MODULE_CHARGER, - &temp, - CHARGERUSB_INT_MASK); - if (ret) - goto err; - - if (!(temp & MASK_MCHARGERUSB_FAULT)) { - ret = twl_i2c_write_u8( - TWL6030_MODULE_CHARGER, - (temp | MASK_MCHARGERUSB_FAULT), - CHARGERUSB_INT_MASK); - if (ret) - goto err; - } - } else { - di->usb_online = POWER_SUPPLY_TYPE_USB; - if ((present_charge_state & VAC_DET) && - (di->vac_priority == 2)) - dev_info(di->dev, "USB charger detected" - ", continue with VAC\n"); - else { - di->charger_source = - POWER_SUPPLY_TYPE_USB; - di->charge_status = - POWER_SUPPLY_STATUS_CHARGING; - } - dev_info(di->dev, "vbus detect\n"); - } - } - - if (stat_reset & VAC_DET) { - di->ac_online = 0; - dev_info(di->dev, "vac removed\n"); - twl6030_stop_ac_charger(di); - if (present_charge_state & VBUS_DET) { - di->charger_source = POWER_SUPPLY_TYPE_USB; - di->charge_status = - POWER_SUPPLY_STATUS_CHARGING; - twl6030_start_usb_charger(di); - } - } - if (stat_set & VAC_DET) { - di->ac_online = POWER_SUPPLY_TYPE_MAINS; - if ((present_charge_state & VBUS_DET) && - (di->vac_priority == 3)) - dev_info(di->dev, - "AC charger detected" - ", continue with VBUS\n"); - else - twl6030_start_ac_charger(di); - } - - if (stat_set & CONTROLLER_STAT1_FAULT_WDG) { - charger_fault = 1; - dev_info(di->dev, "Fault watchdog fired\n"); - } - if (stat_reset & CONTROLLER_STAT1_FAULT_WDG) - dev_err(di->dev, "Fault watchdog recovered\n"); - if (stat_set & CONTROLLER_STAT1_BAT_REMOVED) - dev_err(di->dev, "Battery removed\n"); - if (stat_reset & CONTROLLER_STAT1_BAT_REMOVED) - dev_err(di->dev, "Battery inserted\n"); - if (stat_set & CONTROLLER_STAT1_BAT_TEMP_OVRANGE) { - dev_err(di->dev, "Battery temperature overrange\n"); - di->bat_health = POWER_SUPPLY_HEALTH_OVERHEAT; - } - if (stat_reset & CONTROLLER_STAT1_BAT_TEMP_OVRANGE) { - dev_dbg(di->dev, "Battery temperature within range\n"); - di->bat_health = POWER_SUPPLY_HEALTH_GOOD; - } - if (di->features & TWL6032_SUBCLASS) - twl6032_charger_ctrl_interrupt(di); - - if (charger_fault) { - twl6030_stop_usb_charger(di); - di->charge_status = POWER_SUPPLY_STATUS_NOT_CHARGING; - dev_dbg(di->dev, "Charger Fault stop charging\n"); - } - - if (di->capacity != -1) - power_supply_changed(&di->bat); - else { - cancel_delayed_work(&di->twl6030_bci_monitor_work); - queue_delayed_work(di->freezable_work, &di->twl6030_bci_monitor_work, 0); - } -err: - return IRQ_HANDLED; -} - -static irqreturn_t twl6030charger_fault_interrupt(int irq, void *_di) -{ - struct twl6030_bci_device_info *di = _di; - int charger_fault = 0; - int ret; - - u8 usb_charge_sts = 0, usb_charge_sts1 = 0, usb_charge_sts2 = 0; - - ret = twl_i2c_read_u8(TWL6030_MODULE_CHARGER, &usb_charge_sts, - CHARGERUSB_INT_STATUS); - if (ret) - goto err; - - ret = twl_i2c_read_u8(TWL6030_MODULE_CHARGER, &usb_charge_sts1, - CHARGERUSB_STATUS_INT1); - if (ret) - goto err; - - ret = twl_i2c_read_u8(TWL6030_MODULE_CHARGER, &usb_charge_sts2, - CHARGERUSB_STATUS_INT2); - if (ret) - goto err; - - di->status_int1 = usb_charge_sts1; - di->status_int2 = usb_charge_sts2; - if (usb_charge_sts & CURRENT_TERM_INT) - dev_dbg(di->dev, "USB CURRENT_TERM_INT\n"); - if (usb_charge_sts & CHARGERUSB_THMREG) - dev_dbg(di->dev, "USB CHARGERUSB_THMREG\n"); - if (usb_charge_sts & CHARGERUSB_FAULT) - dev_dbg(di->dev, "USB CHARGERUSB_FAULT\n"); - - if (usb_charge_sts1 & CHARGERUSB_STATUS_INT1_TMREG) - dev_dbg(di->dev, "USB CHARGER Thermal regulation activated\n"); - if (usb_charge_sts1 & CHARGERUSB_STATUS_INT1_NO_BAT) - dev_dbg(di->dev, "No Battery Present\n"); - if (usb_charge_sts1 & CHARGERUSB_STATUS_INT1_BST_OCP) - dev_dbg(di->dev, "USB CHARGER Boost Over current protection\n"); - if (usb_charge_sts1 & CHARGERUSB_STATUS_INT1_TH_SHUTD) { - charger_fault = 1; - dev_dbg(di->dev, "USB CHARGER Thermal Shutdown\n"); - } - if (usb_charge_sts1 & CHARGERUSB_STATUS_INT1_BAT_OVP) - dev_dbg(di->dev, "USB CHARGER Bat Over Voltage Protection\n"); - if (usb_charge_sts1 & CHARGERUSB_STATUS_INT1_POOR_SRC) - dev_dbg(di->dev, "USB CHARGER Poor input source\n"); - if (usb_charge_sts1 & CHARGERUSB_STATUS_INT1_SLP_MODE) - dev_dbg(di->dev, "USB CHARGER Sleep mode\n"); - if (usb_charge_sts1 & CHARGERUSB_STATUS_INT1_VBUS_OVP) - dev_dbg(di->dev, "USB CHARGER VBUS over voltage\n"); - - if (usb_charge_sts2 & CHARGE_DONE) { - di->charge_status = POWER_SUPPLY_STATUS_FULL; - dev_dbg(di->dev, "USB charge done\n"); - } - if (usb_charge_sts2 & CURRENT_TERM) - dev_dbg(di->dev, "USB CURRENT_TERM\n"); - if (usb_charge_sts2 & ICCLOOP) - dev_dbg(di->dev, "USB ICCLOOP\n"); - if (usb_charge_sts2 & ANTICOLLAPSE) - dev_dbg(di->dev, "USB ANTICOLLAPSE\n"); - - if (charger_fault) { - twl6030_stop_usb_charger(di); - di->charge_status = POWER_SUPPLY_STATUS_NOT_CHARGING; - dev_dbg(di->dev, "Charger Fault stop charging\n"); - } - dev_info(di->dev, "Charger fault detected STS, INT1, INT2 %x %x %x\n", - usb_charge_sts, usb_charge_sts1, usb_charge_sts2); - - power_supply_changed(&di->bat); -err: - return IRQ_HANDLED; -} - -/* - * In HW charger mode on 6032 irq routines must only deal with updating - * state of charger. The hardware deals with start/stop conditions - * automatically. - */ -static irqreturn_t twl6032charger_ctrl_interrupt_hw(int irq, void *_di) -{ - struct twl6030_bci_device_info *di = _di; - u8 stat1, linear; - int charger_stop = 0, end_of_charge = 0; - int ret; - - //printk("xxxxxxxxxxxxxxxxxxxxxxxx twl6032charger_ctrl_interrupt_hw xxxxxxxxxxxxxx\n"); - /* read charger controller_stat1 */ - ret = twl_i2c_read_u8(TWL6030_MODULE_CHARGER, &stat1, - CONTROLLER_STAT1); - if (ret) - goto out; - - ret = twl_i2c_read_u8(TWL6032_MODULE_CHARGER, &linear, - LINEAR_CHRG_STS); - if (ret < 0) - goto out; - - if (!(stat1 & (VBUS_DET | VAC_DET))) { - charger_stop = 1; - di->ac_online = di->usb_online = 0; - //printk("%%%%%%%%%%%%%%charger_stop = 1%%%%%%%%%%%%%\n"); - } - - if (!(di->usb_online || di->ac_online)) { - if (stat1 & VBUS_DET) { - di->usb_online = 1; - di->bat_health = POWER_SUPPLY_HEALTH_GOOD; -// printk("%%%%%%%%%%%%%%di->usb_online = 1%%%%%%%%%%%%%\n"); - - //schedule_work(&di->usb_work); - } else if (stat1 & VAC_DET) { - di->ac_online = 1; - di->bat_health = POWER_SUPPLY_HEALTH_GOOD; -// printk("%%%%%%%%%%%%%%di->ac_online = 1%%%%%%%%%%%%%\n"); - } - } - - if (stat1 & CONTROLLER_STAT1_FAULT_WDG) { - charger_stop = 1; - di->bat_health = POWER_SUPPLY_HEALTH_UNSPEC_FAILURE; - dev_err(di->dev, "Charger error : Fault watchdog\n"); - } - if (stat1 & CONTROLLER_STAT1_BAT_REMOVED) { - charger_stop = 1; - di->bat_health = POWER_SUPPLY_HEALTH_DEAD; - dev_info(di->dev, "Battery removed\n"); - } - if (stat1 & CONTROLLER_STAT1_BAT_TEMP_OVRANGE) { - charger_stop = 1; - dev_dbg(di->dev, - "Charger error : Battery temperature overrange\n"); - di->bat_health = POWER_SUPPLY_HEALTH_OVERHEAT; - } - - if ((stat1 & CONTROLLER_STAT1_LINCH_GATED) && - di->use_power_path) { - - charger_stop = 1; - - if (linear & LINEAR_CHRG_STS_CRYSTL_OSC_OK) { - di->bat_health = POWER_SUPPLY_HEALTH_UNSPEC_FAILURE; - dev_dbg(di->dev, "Charger error: CRYSTAL OSC OK\n"); - } - - if (linear & LINEAR_CHRG_STS_END_OF_CHARGE) { - end_of_charge = 1; - di->bat_health = POWER_SUPPLY_HEALTH_GOOD; - dev_dbg(di->dev, "Charger: Full charge\n"); - } - - if (linear & LINEAR_CHRG_STS_VBATOV) { - di->bat_health = POWER_SUPPLY_HEALTH_OVERVOLTAGE; - dev_dbg(di->dev, - "Charger error : Linear Status: VBATOV\n"); - } - - if (linear & LINEAR_CHRG_STS_VSYSOV) { - di->bat_health = POWER_SUPPLY_HEALTH_UNSPEC_FAILURE; - dev_dbg(di->dev, - "Charger error : Linear Status: VSYSOV\n"); - } - } - - if (charger_stop) { - if (!(stat1 & (VBUS_DET | VAC_DET))) { - di->charge_status = POWER_SUPPLY_STATUS_DISCHARGING; - } else { - if (end_of_charge) - di->charge_status = - POWER_SUPPLY_STATUS_FULL; - else - di->charge_status = - POWER_SUPPLY_STATUS_NOT_CHARGING; - } - } - //printk("%%%%%%%%%%%%%%%%%%twl6032charger_ctrl_interrupt_hw end xxxxxxxxxxxxxx\n"); - - power_supply_changed(&di->bat); - -out: - return IRQ_HANDLED; -} - -static irqreturn_t twl6032charger_fault_interrupt_hw(int irq, void *_di) -{ - struct twl6030_bci_device_info *di = _di; - int charger_stop = 0, charger_start = 0; - int ret; - u8 sts, sts_int1, sts_int2, stat1; - - ret = twl_i2c_read_u8(TWL6030_MODULE_CHARGER, &sts, - CHARGERUSB_INT_STATUS); - if (ret) - goto out; - - ret = twl_i2c_read_u8(TWL6030_MODULE_CHARGER, &sts_int1, - CHARGERUSB_STATUS_INT1); - if (ret) - goto out; - - ret = twl_i2c_read_u8(TWL6030_MODULE_CHARGER, &sts_int2, - CHARGERUSB_STATUS_INT2); - if (ret) - goto out; - - ret = twl_i2c_read_u8(TWL6030_MODULE_CHARGER, &stat1, - CONTROLLER_STAT1); - if (ret) - goto out; - - if (sts & EN_LINCH) { - charger_start = 1; - dev_dbg(di->dev, "Charger: EN_LINCH\n"); - goto out; - } - - if ((sts & CURRENT_TERM_INT) && !di->use_power_path) { - dev_dbg(di->dev, "Charger: CURRENT_TERM_INT\n"); - - if (sts_int2 & CURRENT_TERM) { - charger_stop = 1; - dev_dbg(di->dev, "Charger error: CURRENT_TERM\n"); - } - } - - if (sts & CHARGERUSB_STAT) { - dev_dbg(di->dev, "Charger: CHARGEUSB_STAT\n"); - - if (sts_int2 & ANTICOLLAPSE) - dev_dbg(di->dev, "Charger error: ANTICOLLAPSE\n"); - } - - if (sts & CHARGERUSB_THMREG) { - dev_dbg(di->dev, "Charger: CHARGERUSB_THMREG\n"); - - if (sts_int1 & CHARGERUSB_STATUS_INT1_TMREG) - dev_dbg(di->dev, "Charger error: TMREG\n"); - } - - if (sts & CHARGERUSB_FAULT) { - dev_dbg(di->dev, "Charger: CHARGERUSB_FAULT\n"); - - charger_stop = 1; - - if (!di->use_power_path) { - if (sts_int1 & CHARGERUSB_STATUS_INT1_NO_BAT) { - di->bat_health = POWER_SUPPLY_HEALTH_DEAD; - dev_err(di->dev, - "Charger error : NO_BAT\n"); - } - if (sts_int1 & CHARGERUSB_STATUS_INT1_BAT_OVP) { - di->bat_health = - POWER_SUPPLY_HEALTH_OVERVOLTAGE; - dev_dbg(di->dev, "Charger error : BAT_OVP\n"); - } - } - - if (sts_int1 & CHARGERUSB_STATUS_INT1_BST_OCP) { - di->bat_health = POWER_SUPPLY_HEALTH_UNSPEC_FAILURE; - printk(KERN_ERR "Charger error : BST_OCP\n"); - } - if (sts_int1 & CHARGERUSB_STATUS_INT1_TH_SHUTD) { - di->bat_health = POWER_SUPPLY_HEALTH_OVERHEAT; - printk(KERN_ERR "Charger error : TH_SHUTD\n"); - } - if (sts_int1 & CHARGERUSB_STATUS_INT1_POOR_SRC) { - di->bat_health = POWER_SUPPLY_HEALTH_UNSPEC_FAILURE; - printk(KERN_ERR "Charger error : POOR_SRC\n"); - } - if (sts_int1 & CHARGERUSB_STATUS_INT1_SLP_MODE) - dev_dbg(di->dev, "Charger error: SLP_MODE\n"); - - if (sts_int1 & CHARGERUSB_STATUS_INT1_VBUS_OVP) { - di->bat_health = POWER_SUPPLY_HEALTH_UNSPEC_FAILURE; - printk(KERN_ERR "Charger error : VBUS_OVP\n"); - } - } - - if (charger_stop) { - if (!(stat1 & (VBUS_DET | VAC_DET))) - di->charge_status = POWER_SUPPLY_STATUS_DISCHARGING; - else - di->charge_status = POWER_SUPPLY_STATUS_NOT_CHARGING; - } - -out: - if (charger_start) { - di->charge_status = POWER_SUPPLY_STATUS_CHARGING; - di->bat_health = POWER_SUPPLY_HEALTH_GOOD; - } - - power_supply_changed(&di->bat); - - return IRQ_HANDLED; -} - -static void twl6030battery_current(struct twl6030_bci_device_info *di) -{ - int ret = 0; - u16 read_value = 0; - s16 temp = 0; - int current_now = 0; - - /* FG_REG_10, 11 is 14 bit signed instantaneous current sample value */ - ret = twl_i2c_read(TWL6030_MODULE_GASGAUGE, (u8 *)&read_value, - FG_REG_10, 2); - if (ret < 0) { - dev_info(di->dev, "failed to read FG_REG_10: current_now\n"); - return; - } - - temp = ((s16)(read_value << 2) >> 2); - current_now = temp - di->cc_offset; - - /* current drawn per sec */ - current_now = current_now * fuelgauge_rate[di->fuelgauge_mode]; - /* current in mAmperes */ - current_now = (current_now * di->current_max_scale) >> 13; - /* current in uAmperes */ - current_now = current_now * 1000; - di->current_uA = current_now; - - return; -} - -/* - * Setup the twl6030 BCI module to enable backup - * battery charging. - */ -static int twl6030backupbatt_setup(void) -{ - int ret; - u8 rd_reg = 0; - - ret = twl_i2c_read_u8(TWL6030_MODULE_ID0, &rd_reg, BBSPOR_CFG); - if (ret) - return ret; - - rd_reg |= BB_CHG_EN; - ret = twl_i2c_write_u8(TWL6030_MODULE_ID0, rd_reg, BBSPOR_CFG); - - return ret; -} - -/* - * Setup the twl6030 BCI module to measure battery - * temperature - */ -static int twl6030battery_temp_setup(bool enable) -{ - int ret; - u8 rd_reg = 0; - - ret = twl_i2c_read_u8(TWL_MODULE_MADC, &rd_reg, TWL6030_GPADC_CTRL); - if (ret) - return ret; - - if (enable) - rd_reg |= (GPADC_CTRL_TEMP1_EN | GPADC_CTRL_TEMP2_EN | - GPADC_CTRL_TEMP1_EN_MONITOR | - GPADC_CTRL_TEMP2_EN_MONITOR | GPADC_CTRL_SCALER_DIV4); - else - rd_reg ^= (GPADC_CTRL_TEMP1_EN | GPADC_CTRL_TEMP2_EN | - GPADC_CTRL_TEMP1_EN_MONITOR | - GPADC_CTRL_TEMP2_EN_MONITOR | GPADC_CTRL_SCALER_DIV4); - - ret = twl_i2c_write_u8(TWL_MODULE_MADC, rd_reg, TWL6030_GPADC_CTRL); - - return ret; -} - -static int twl6030battery_voltage_setup(struct twl6030_bci_device_info *di) -{ - int ret; - u8 rd_reg = 0; - - ret = twl_i2c_read_u8(TWL6030_MODULE_ID0, &rd_reg, REG_MISC1); - if (ret) - return ret; - - rd_reg = rd_reg | VAC_MEAS | VBAT_MEAS | BB_MEAS; - ret = twl_i2c_write_u8(TWL6030_MODULE_ID0, rd_reg, REG_MISC1); - if (ret) - return ret; - - ret = twl_i2c_read_u8(TWL_MODULE_USB, &rd_reg, REG_USB_VBUS_CTRL_SET); - if (ret) - return ret; - - rd_reg = rd_reg | VBUS_MEAS; - ret = twl_i2c_write_u8(TWL_MODULE_USB, rd_reg, REG_USB_VBUS_CTRL_SET); - if (ret) - return ret; - - ret = twl_i2c_read_u8(TWL_MODULE_USB, &rd_reg, REG_USB_ID_CTRL_SET); - if (ret) - return ret; - - rd_reg = rd_reg | ID_MEAS; - ret = twl_i2c_write_u8(TWL_MODULE_USB, rd_reg, REG_USB_ID_CTRL_SET); - if (ret) - return ret; - - if (di->features & TWL6032_SUBCLASS) - ret = twl_i2c_write_u8(TWL_MODULE_MADC, - GPADC_CTRL2_CH18_SCALER_EN, - TWL6030_GPADC_CTRL2); - - return ret; -} - -static int twl6030battery_current_setup(bool enable) -{ - int ret = 0; - u8 reg = 0; - - /* - * Writing 0 to REG_TOGGLE1 has no effect, so - * can directly set/reset FG. - */ - if (enable) - reg = FGDITHS | FGS; - else - reg = FGDITHR | FGR; - - ret = twl_i2c_write_u8(TWL6030_MODULE_ID1, reg, REG_TOGGLE1); - if (ret) - return ret; - - ret = twl_i2c_write_u8(TWL6030_MODULE_GASGAUGE, CC_CAL_EN, FG_REG_00); - - return ret; -} - -static enum power_supply_property twl6030_bci_battery_props[] = { - POWER_SUPPLY_PROP_STATUS, - POWER_SUPPLY_PROP_HEALTH, - POWER_SUPPLY_PROP_ONLINE, - POWER_SUPPLY_PROP_VOLTAGE_NOW, - POWER_SUPPLY_PROP_CURRENT_NOW, - POWER_SUPPLY_PROP_CURRENT_AVG, - POWER_SUPPLY_PROP_CAPACITY, - POWER_SUPPLY_PROP_TEMP, -}; - -static enum power_supply_property twl6030_usb_props[] = { - POWER_SUPPLY_PROP_ONLINE, - POWER_SUPPLY_PROP_VOLTAGE_NOW, -}; - -static enum power_supply_property twl6030_ac_props[] = { - POWER_SUPPLY_PROP_ONLINE, - POWER_SUPPLY_PROP_VOLTAGE_NOW, -}; - -static enum power_supply_property twl6030_bk_bci_battery_props[] = { - POWER_SUPPLY_PROP_VOLTAGE_NOW, -}; - -static void twl6030_current_avg(struct work_struct *work) -{ -// printk("%s\n", __func__); - - s32 samples = 0; - s16 cc_offset = 0; - int current_avg_uA = 0; - int ret; - struct twl6030_bci_device_info *di = container_of(work, - struct twl6030_bci_device_info, - twl6030_current_avg_work.work); - - di->charge_n2 = di->charge_n1; - di->timer_n2 = di->timer_n1; - - /* FG_REG_01, 02, 03 is 24 bit unsigned sample counter value */ - ret = twl_i2c_read(TWL6030_MODULE_GASGAUGE, (u8 *) &di->timer_n1, - FG_REG_01, 3); - if (ret < 0) - goto err; - /* - * FG_REG_04, 5, 6, 7 is 32 bit signed accumulator value - * accumulates instantaneous current value - */ - ret = twl_i2c_read(TWL6030_MODULE_GASGAUGE, (u8 *) &di->charge_n1, - FG_REG_04, 4); - if (ret < 0) - goto err; - /* FG_REG_08, 09 is 10 bit signed calibration offset value */ - ret = twl_i2c_read(TWL6030_MODULE_GASGAUGE, (u8 *) &cc_offset, - FG_REG_08, 2); - if (ret < 0) - goto err; - cc_offset = ((s16)(cc_offset << 6) >> 6); - di->cc_offset = cc_offset; - - samples = di->timer_n1 - di->timer_n2; - /* check for timer overflow */ - if (di->timer_n1 < di->timer_n2) - samples = samples + (1 << 24); - - /* offset is accumulative over number of samples */ - cc_offset = cc_offset * samples; - - current_avg_uA = ((di->charge_n1 - di->charge_n2 - cc_offset) - * di->current_max_scale) / - fuelgauge_rate[di->fuelgauge_mode]; - /* clock is a fixed 32Khz */ - current_avg_uA >>= 15; - - /* Correct for the fuelguage sampling rate */ - samples /= fuelgauge_rate[di->fuelgauge_mode] * 4; - - /* - * Only update the current average if we have had a valid number - * of samples in the accumulation. - */ - if (samples) { - current_avg_uA = current_avg_uA / samples; - di->current_avg_uA = current_avg_uA * 1000; - } - - queue_delayed_work(di->freezable_work, &di->twl6030_current_avg_work, - msecs_to_jiffies(1000 * di->current_avg_interval)); - return; -err: - pr_err("%s: Error access to TWL6030 (%d)\n", __func__, ret); -} -#define BATT_NUM 11 -struct batt_vol_cal{ - u32 disp_cal; - u32 dis_charge_vol; - u32 charge_vol; -}; -static struct batt_vol_cal batt_table[BATT_NUM] = { - {0,3571,3730},//{1,3420,3525},{2,3420,3575},{3,3475,3600},{5,3505,3620},{7,3525,3644}, - {9,3628,3770},//{11,3557,3670},{13,3570,3684},{15,3580,3700},{17,3610,3715}, - {19,3670,3878},//{21,3640,3748},{23,3652,3756},{25,3662,3775},{27,3672,3790}, - {29,3719,3895},//{31,3687,3814},{33,3693,3818},{35,3699,3822},{37,3705,3825}, - {39,3770,3941},//{41,3714,3832},{43,3718,3834},{45,3722,3836},{47,3726,3837}, - {49,3801,3980},//{51,3734,3841},{53,3738,3842},{55,3742,3844},{57,3746,3844}, - {59,3849,4010},//{61,3756,3860},{63,3764,3864},{65,3774,3871},{67,3786,3890}, - {69,3864,4024},//{71,3808,3930},{73,3817,3977},{75,3827,3977},{77,3845,3997}, - {79,3884,4040},//{81,3964,4047},{83,3982,4064},{85,4002,4080},{87,4026,4096}, - {89,4001,4050},//{91,4034,4144},{93,4055,4150},{95,4085,4195},{97,4085,4195}, - {100,4070,4090}, -}; -#if 0 -static int capacity_changed(struct twl6030_bci_device_info *di) -{ - int curr_capacity = di->capacity; - int charger_source = di->charger_source; - int charging_disabled = 0; - struct batt_vol_cal *p; - int i=0; - - p = batt_table; - /* Because system load is always greater than - * termination current, we will never get a CHARGE DONE - * int from BQ. And charging will alwys be in progress. - * We consider Vbat>3900 to be a full battery. - * Since Voltage measured during charging is Voreg ~4.2v, - * we dont update capacity if we are charging. - */ - - /* if it has been more than 10 minutes since our last update - * and we are charging we force a update. - */ - if (time_after(jiffies, di->ac_next_refresh) - && (di->charger_source != POWER_SUPPLY_TYPE_BATTERY)) { - charging_disabled = 1; - di->ac_next_refresh = jiffies + - msecs_to_jiffies(CHARGING_CAPACITY_UPDATE_PERIOD); - di->capacity = -1; - - /* We have to disable charging to read correct - * voltages. - */ - twl6030_stop_charger(di); - /*voltage setteling time*/ - msleep(200); - di->voltage_mV = twl6030_get_gpadc_conversion(di, - di->gpadc_vbat_chnl); - - } - - /* Setting the capacity level only makes sense when on - * the battery is powering the board. - */ - if (di->charge_status == POWER_SUPPLY_STATUS_CHARGING){ //charge - if(di->voltage_mV >= p[BATT_NUM - 1].charge_vol){ - curr_capacity = 100; - } - else{ - if(di->voltage_mV <= p[0].charge_vol){ - curr_capacity = 0; - } - else{ - for(i = 0; i < BATT_NUM - 1; i++){ - - if((p[i].charge_vol <= di->voltage_mV) && (di->voltage_mV < (p[i+1].charge_vol))){ - curr_capacity = p[i].disp_cal ; - break; - } - } - } - } - - } - else if (di->charge_status == POWER_SUPPLY_STATUS_DISCHARGING){ //discharge - if(di->voltage_mV >= p[BATT_NUM - 1].dis_charge_vol){ - curr_capacity = 100; - } - else{ - if(di->voltage_mV <= p[0].dis_charge_vol){ - curr_capacity = 0; - } - else{ - for(i = 0; i < BATT_NUM - 1; i++){ - if(((p[i].dis_charge_vol) <= di->voltage_mV) && (di->voltage_mV < (p[i+1].dis_charge_vol))){ - curr_capacity = p[i].disp_cal ; - break; - } - } - } - - } - - - } - - /* - if (di->charge_status == POWER_SUPPLY_STATUS_CHARGING) { - if (di->voltage_mV < 3520) - curr_capacity = 0; - else if (di->voltage_mV < 3600 && di->voltage_mV >= 3500) - curr_capacity = 20; - else if (di->voltage_mV < 3700 && di->voltage_mV >= 3600) - curr_capacity = 50; - else if (di->voltage_mV < 3800 && di->voltage_mV >= 3700) - curr_capacity = 75; - else if (di->voltage_mV < 3900 && di->voltage_mV >= 3800) - curr_capacity = 90; - else if (di->voltage_mV >= 3900) - curr_capacity = 100; - } - -*/ - - - /* if we disabled charging to check capacity, - * enable it again after we read the - * correct voltage. - */ - if (charging_disabled) { - if (charger_source == POWER_SUPPLY_TYPE_MAINS) - twl6030_start_ac_charger(di); - else if (charger_source == POWER_SUPPLY_TYPE_USB) - twl6030_start_usb_charger(di); - } - - /* if battery is not present we assume it is on battery simulator and - * current capacity is set to 100% - */ - if (!is_battery_present(di)) - curr_capacity = 100; - - - /* Debouncing of voltage change. */ - if (di->capacity == -1) { - di->capacity = curr_capacity; - di->capacity_debounce_count = 0; - return 1; - } -/* - if (curr_capacity != di->prev_capacity) { - di->prev_capacity = curr_capacity; - di->capacity_debounce_count = 0; - } else if (++di->capacity_debounce_count >= 4) { - di->capacity = curr_capacity; - di->capacity_debounce_count = 0; - return 1; - } -*/ - return 1; -} -#endif -static int twl6030_batt_vol_to_capacity (struct twl6030_bci_device_info *di) - -{ - - int i = 0; - int capacity = 0; - int BatVoltage; - - struct batt_vol_cal *p; - p = batt_table; - - BatVoltage = di ->voltage_mV; - - if (di->charge_status == POWER_SUPPLY_STATUS_CHARGING){ //charge - if(BatVoltage >= (p[BATT_NUM - 1].charge_vol)){ - capacity = 100; - } - else{ - if(BatVoltage <= (p[0].charge_vol)){ - capacity = 0; - } - else{ - for(i = 0; i < BATT_NUM - 1; i++){ - - if(((p[i].charge_vol) <= BatVoltage) && (BatVoltage < (p[i+1].charge_vol))){ - // capacity = p[i].disp_cal ; - capacity = i * 10 + ((BatVoltage - p[i].charge_vol) * 10) / (p[i+1] .charge_vol- p[i].charge_vol); - - - break; - } - } - } - } - - } - else{ //discharge - if(BatVoltage >= (p[BATT_NUM - 1].dis_charge_vol)){ - capacity = 100; - } - else{ - if(BatVoltage <= (p[0].dis_charge_vol)){ - capacity = 0; - } - else{ - for(i = 0; i < BATT_NUM - 1; i++){ - if(((p[i].dis_charge_vol) <= BatVoltage) && (BatVoltage < (p[i+1].dis_charge_vol))){ - // capacity = p[i].disp_cal ; - capacity = i * 10 + ((BatVoltage - p[i].dis_charge_vol) * 10) / (p[i+1] .dis_charge_vol- p[i].dis_charge_vol); - break; - } - } - } - - } - - - } - - return capacity; - -} - - - -static void twl6030_batt_capacity_samples(struct twl6030_bci_device_info *di) -{ - int capacity = 0; - capacity = twl6030_batt_vol_to_capacity (di); - twl6030battery_current(di); - - if( 1 == di->resume_status ){ - di->resume_status = 0; - if (di->charge_status == POWER_SUPPLY_STATUS_CHARGING){\ - if (di->suspend_capacity > capacity){ - - di->capacity = di->suspend_capacity; - }else{ - di->capacity = capacity; - } - }else{ - if (di->suspend_capacity > capacity){ - di->capacity = capacity; - }else{ - di->capacity = di->suspend_capacity; - } - - } - return; - - } - - if (di->charge_status == POWER_SUPPLY_STATUS_FULL){ - if (capacity < di->capacity){ - if (di ->gBatCapacityChargeCnt >= NUM_CHARGE_MIN_SAMPLE){ - di ->gBatCapacityChargeCnt = 0; - if (di -> capacity < 99){ - di -> capacity++; - } - } - - } - - } - - - if (di->charge_status == POWER_SUPPLY_STATUS_CHARGING){ - if (capacity > di->capacity){ - //实际采样到的容量比显示的容量大，逐级上升 - if (++(di->gBatCapacityChargeCnt) >= NUM_CHARGE_MIN_SAMPLE){ - di ->gBatCapacityChargeCnt = 0; - if (di -> capacity < 99){ - di -> capacity++; - - } - } - di->gBatCapacityDisChargeCnt = 0; //放电的计数值为0 - } - - } -////////////////////////////////////////////////////////////////////////////////////////////////////////////// - if ((di->charge_status == POWER_SUPPLY_STATUS_DISCHARGING)||(di->charge_status == POWER_SUPPLY_STATUS_NOT_CHARGING)){ - - //放电时,只允许电压下降 - if (capacity < di -> capacity){ - if (++(di->gBatCapacityDisChargeCnt) >= NUM_DISCHARGE_MIN_SAMPLE){ - di ->gBatCapacityDisChargeCnt = 0; - if (di -> capacity > 0){ - di -> capacity-- ; - //bat->bat_change = 1; - } - } - } - else{ - di ->gBatCapacityDisChargeCnt = 0; - } - //di ->gBatCapacityChargeCnt = 0; - } - di ->capacitytmp = capacity; -} - -static int twl6030_set_watchdog(struct twl6030_bci_device_info *di, int val) -{ - di->watchdog_duration = val; - - dev_dbg(di->dev, "Watchdog reset %d", val); - - return twl_i2c_write_u8(TWL6030_MODULE_CHARGER, val, CONTROLLER_WDG); - -} -#if 0 -static void twl6030_bci_adc_set(struct twl6030_bci_device_info *di) -{ - struct twl6030_gpadc_request req; - int adc_code; - int temp; - int ret; - //int level; - - /* Kick the charger watchdog */ - if (di->charge_status == POWER_SUPPLY_STATUS_CHARGING) - twl6030_set_watchdog(di, di->watchdog_duration); - - req.method = TWL6030_GPADC_SW2; - req.channels = (1 << 1) | (1 << di->gpadc_vbat_chnl) | (1 << 8); - req.active = 0; - req.func_cb = NULL; - ret = twl6030_gpadc_conversion(&req); - - - if (ret < 0) { - dev_dbg(di->dev, "gpadc conversion failed: %d\n", ret); - return; - } - - if (req.rbuf[di->gpadc_vbat_chnl] > 0) - di->voltage_mV = req.rbuf[di->gpadc_vbat_chnl]; - - if (req.rbuf[8] > 0) - di->bk_voltage_mV = req.rbuf[8]; - - if (di->platform_data->battery_tmp_tbl == NULL) - return; - - adc_code = req.rbuf[1]; - for (temp = 0; temp < di->platform_data->tblsize; temp++) { - if (adc_code >= di->platform_data-> - battery_tmp_tbl[temp]) - break; - } - //printk("twl6030_bci_adc_set---di->voltage_mV-=-%d,di->capacity = %d \n",di->voltage_mV,di->capacity); - /* first 2 values are for negative temperature */ - -} -#endif -static void twl6030_bci_battery_work(struct work_struct *work) -{ - - struct twl6030_bci_device_info *di = container_of(work, - struct twl6030_bci_device_info, twl6030_bci_monitor_work.work); - struct twl6030_gpadc_request req; - int adc_code; - int temp; - int ret; -// int level; - - /* Kick the charger watchdog */ - if (di->charge_status == POWER_SUPPLY_STATUS_CHARGING) - twl6030_set_watchdog(di, di->watchdog_duration); - - req.method = TWL6030_GPADC_SW2; - req.channels = (1 << 1) | (1 << di->gpadc_vbat_chnl) | (1 << 8); - req.active = 0; - req.func_cb = NULL; - ret = twl6030_gpadc_conversion(&req); - - queue_delayed_work(di->freezable_work, &di->twl6030_bci_monitor_work, - msecs_to_jiffies(TIMER_MS_COUNTS)); //* di->monitoring_interval - - if (ret < 0) { - dev_dbg(di->dev, "gpadc conversion failed: %d\n", ret); - return; - } - - if (req.rbuf[di->gpadc_vbat_chnl] > 0) - di->voltage_mV = req.rbuf[di->gpadc_vbat_chnl]; - - if (req.rbuf[8] > 0) - di->bk_voltage_mV = req.rbuf[8]; - - if (di->platform_data->battery_tmp_tbl == NULL) - return; - - adc_code = req.rbuf[1]; - for (temp = 0; temp < di->platform_data->tblsize; temp++) { - if (adc_code >= di->platform_data-> - battery_tmp_tbl[temp]) - break; - } - //printk("workxxxxx---di->voltage_mV-=-%d,di->capacity = %d \n",di->voltage_mV,di->capacity); - /* first 2 values are for negative temperature */ - di->temp_C = (temp - 2); /* in degrees Celsius */ -// if (capacity_changed(di)) //xsf - { - twl6030_batt_capacity_samples(di); - // di->capacity = level; - power_supply_changed(&di->bat); - } -} - -static void twl6030_current_mode_changed(struct twl6030_bci_device_info *di) -{ - int ret; - //printk("%s\n", __func__); - - /* FG_REG_01, 02, 03 is 24 bit unsigned sample counter value */ - ret = twl_i2c_read(TWL6030_MODULE_GASGAUGE, (u8 *) &di->timer_n1, - FG_REG_01, 3); - if (ret < 0) - goto err; - /* - * FG_REG_04, 5, 6, 7 is 32 bit signed accumulator value - * accumulates instantaneous current value - */ - ret = twl_i2c_read(TWL6030_MODULE_GASGAUGE, (u8 *) &di->charge_n1, - FG_REG_04, 4); - if (ret < 0) - goto err; - - cancel_delayed_work(&di->twl6030_current_avg_work); - queue_delayed_work(di->freezable_work, &di->twl6030_current_avg_work, - msecs_to_jiffies(1000 * di->current_avg_interval)); - return; -err: - pr_err("%s: Error access to TWL6030 (%d)\n", __func__, ret); -} - -static void twl6030_work_interval_changed(struct twl6030_bci_device_info *di) -{ - //printk("%s\n", __func__); - - cancel_delayed_work(&di->twl6030_bci_monitor_work); - queue_delayed_work(di->freezable_work, &di->twl6030_bci_monitor_work, - msecs_to_jiffies(1000 * di->monitoring_interval)); -} - -#define to_twl6030_bci_device_info(x) container_of((x), \ - struct twl6030_bci_device_info, bat); -#if 0 -static void twl6030_bci_battery_external_power_changed(struct power_supply *psy) -{// printk("%s\n", __func__); - - struct twl6030_bci_device_info *di = to_twl6030_bci_device_info(psy); - - cancel_delayed_work(&di->twl6030_bci_monitor_work); - queue_delayed_work(di->freezable_work, &di->twl6030_bci_monitor_work, 0); -} -#endif - -#define to_twl6030_ac_device_info(x) container_of((x), \ - struct twl6030_bci_device_info, ac); - -static int twl6030_ac_get_property(struct power_supply *psy, - enum power_supply_property psp, - union power_supply_propval *val) -{ - u8 stat1; - struct twl6030_bci_device_info *di = to_twl6030_ac_device_info(psy); - switch (psp) { - case POWER_SUPPLY_PROP_ONLINE: - twl_i2c_read_u8(TWL6030_MODULE_CHARGER, &stat1, - CONTROLLER_STAT1); - - if (stat1 & VAC_DET) { - val->intval = 1; - } - else - val->intval = 0; - - ///printk("&&&&&&&&&&&&ac---charge ac->intval = %d &&&&&&&&&&&&&&&\n" ,val->intval); - - break; - case POWER_SUPPLY_PROP_VOLTAGE_NOW: - val->intval = twl6030_get_gpadc_conversion(di, 9) * 1000; - - break; - default: - return -EINVAL; - } - - return 0; -} - -#define to_twl6030_usb_device_info(x) container_of((x), \ - struct twl6030_bci_device_info, usb); - -static int twl6030_usb_get_property(struct power_supply *psy, - enum power_supply_property psp, - union power_supply_propval *val) -{ - u8 stat1; - struct twl6030_bci_device_info *di = to_twl6030_usb_device_info(psy); - switch (psp) { - case POWER_SUPPLY_PROP_ONLINE: - - twl_i2c_read_u8(TWL6030_MODULE_CHARGER, &stat1, - CONTROLLER_STAT1); - - if (stat1 & VBUS_DET) { - val->intval = 1; - } - else - val->intval = 0; - - //val->intval = di->usb_online; //xsf - - //printk("&&&&&&&&&&&&usb---charge val->intval = %d &&&&&&&&&&&&&&&\n" ,val->intval); - break; - case POWER_SUPPLY_PROP_VOLTAGE_NOW: - val->intval = twl6030_get_gpadc_conversion(di, 10) * 1000; - //printk("&&&&&&&&&&&&usb-voltage = &&&&&&&&&&&&&&&%d\n", val->intval); - break; - default: - return -EINVAL; - } - - return 0; -} - -#define to_twl6030_bk_bci_device_info(x) container_of((x), \ - struct twl6030_bci_device_info, bk_bat); - -static int twl6030_bk_bci_battery_get_property(struct power_supply *psy, - enum power_supply_property psp, - union power_supply_propval *val) -{ - struct twl6030_bci_device_info *di = to_twl6030_bk_bci_device_info(psy); - val->intval = 0; - switch (psp) { - case POWER_SUPPLY_PROP_VOLTAGE_NOW: - val->intval = di->bk_voltage_mV * 1000; - break; - default: - return -EINVAL; - } - - return 0; -} - -static int twl6030_bci_battery_get_property(struct power_supply *psy, - enum power_supply_property psp, - union power_supply_propval *val) -{ - struct twl6030_bci_device_info *di; - - di = to_twl6030_bci_device_info(psy); - - switch (psp) { - case POWER_SUPPLY_PROP_STATUS: - val->intval = di->charge_status; - break; - case POWER_SUPPLY_PROP_VOLTAGE_NOW: - di->voltage_mV = twl6030_get_gpadc_conversion(di, - di->gpadc_vbat_chnl); - val->intval = di->voltage_mV * 1000; - break; - case POWER_SUPPLY_PROP_CURRENT_NOW: - twl6030battery_current(di); - val->intval = di->current_uA; - break; - case POWER_SUPPLY_PROP_TEMP: - val->intval = di->temp_C; - break; - case POWER_SUPPLY_PROP_ONLINE: - val->intval = di->charger_source; - break; - case POWER_SUPPLY_PROP_CURRENT_AVG: - val->intval = di->current_avg_uA; - break; - case POWER_SUPPLY_PROP_HEALTH: - val->intval = di->bat_health; - break; - case POWER_SUPPLY_PROP_CAPACITY: - val->intval = di->capacity; - break; - default: - return -EINVAL; - } - return 0; -} - -int twl6030_register_notifier(struct notifier_block *nb, - unsigned int events) -{ - return blocking_notifier_chain_register(¬ifier_list, nb); -} -EXPORT_SYMBOL_GPL(twl6030_register_notifier); - -int twl6030_unregister_notifier(struct notifier_block *nb, - unsigned int events) -{ - return blocking_notifier_chain_unregister(¬ifier_list, nb); -} -EXPORT_SYMBOL_GPL(twl6030_unregister_notifier); - -static void twl6030_usb_charger_work(struct work_struct *work) -{ - struct twl6030_bci_device_info *di = - container_of(work, struct twl6030_bci_device_info, usb_work); - switch (di->event) { - case USB_EVENT_CHARGER: - /* POWER_SUPPLY_TYPE_USB_DCP */ - di->usb_online = POWER_SUPPLY_TYPE_USB_DCP; - di->charger_incurrentmA = 1800; - break; - case USB_EVENT_VBUS: - switch (di->usb_online) { - case POWER_SUPPLY_TYPE_USB_CDP: - /* - * Only 500mA here or high speed chirp - * handshaking may break - */ - di->charger_incurrentmA = 500; - case POWER_SUPPLY_TYPE_USB: - break; - } - break; - case USB_EVENT_NONE: - di->usb_online = 0; - di->charger_incurrentmA = 0; - break; - case USB_EVENT_ENUMERATED: - if (di->usb_online == POWER_SUPPLY_TYPE_USB_CDP) - di->charger_incurrentmA = 560; - else - di->charger_incurrentmA = di->usb_max_power; - break; - default: - return; - } - twl6030_start_usb_charger(di); - - power_supply_changed(&di->usb); -} - -static int twl6030_usb_notifier_call(struct notifier_block *nb, - unsigned long event, void *data) -{ - struct twl6030_bci_device_info *di = - container_of(nb, struct twl6030_bci_device_info, nb); - di->event = event; - switch (event) { - case USB_EVENT_VBUS: - di->usb_online = *((unsigned int *) data); - break; - case USB_EVENT_ENUMERATED: - di->usb_max_power = *((unsigned int *) data); - break; - case USB_EVENT_CHARGER: - case USB_EVENT_NONE: - break; - case USB_EVENT_ID: - default: - return NOTIFY_OK; - } - - schedule_work(&di->usb_work); - - return NOTIFY_OK; -} - -static ssize_t set_fg_mode(struct device *dev, - struct device_attribute *attr, const char *buf, size_t count) -{ - long val; - int status = count; - int ret; - struct twl6030_bci_device_info *di = dev_get_drvdata(dev); - - if ((strict_strtol(buf, 10, &val) < 0) || (val > 3)) - return -EINVAL; - di->fuelgauge_mode = val; - ret = twl_i2c_write_u8(TWL6030_MODULE_GASGAUGE, (val << 6) | CC_CAL_EN, - FG_REG_00); - if (ret) - return -EIO; - twl6030_current_mode_changed(di); - return status; -} - -static ssize_t show_fg_mode(struct device *dev, - struct device_attribute *attr, char *buf) -{ - int val; - struct twl6030_bci_device_info *di = dev_get_drvdata(dev); - - val = di->fuelgauge_mode; - return sprintf(buf, "%d\n", val); -} - -static ssize_t set_charge_src(struct device *dev, - struct device_attribute *attr, const char *buf, size_t count) -{ - long val; - int status = count; - struct twl6030_bci_device_info *di = dev_get_drvdata(dev); - - if ((strict_strtol(buf, 10, &val) < 0) || (val < 2) || (val > 3)) - return -EINVAL; - di->vac_priority = val; - return status; -} - -static ssize_t show_charge_src(struct device *dev, - struct device_attribute *attr, char *buf) -{ - int val; - struct twl6030_bci_device_info *di = dev_get_drvdata(dev); - - val = di->vac_priority; - return sprintf(buf, "%d\n", val); -} - -static ssize_t show_vbus_voltage(struct device *dev, - struct device_attribute *attr, char *buf) -{ - int val; - struct twl6030_bci_device_info *di = dev_get_drvdata(dev); - - val = twl6030_get_gpadc_conversion(di, 10); - - return sprintf(buf, "%d\n", val); -} - -static ssize_t show_id_level(struct device *dev, struct device_attribute *attr, - char *buf) -{ - int val; - struct twl6030_bci_device_info *di = dev_get_drvdata(dev); - - val = twl6030_get_gpadc_conversion(di, 14); - - return sprintf(buf, "%d\n", val); -} - -static ssize_t set_watchdog(struct device *dev, - struct device_attribute *attr, const char *buf, size_t count) -{ - long val; - int status = count; - int ret; - struct twl6030_bci_device_info *di = dev_get_drvdata(dev); - - if ((strict_strtol(buf, 10, &val) < 0) || (val < 1) || (val > 127)) - return -EINVAL; - ret = twl6030_set_watchdog(di, val); - if (ret) - return -EIO; - - return status; -} - -static ssize_t show_watchdog(struct device *dev, - struct device_attribute *attr, char *buf) -{ - int val; - struct twl6030_bci_device_info *di = dev_get_drvdata(dev); - - val = di->watchdog_duration; - return sprintf(buf, "%d\n", val); -} - -static ssize_t show_fg_counter(struct device *dev, - struct device_attribute *attr, char *buf) -{ - int fg_counter = 0; - int ret; - - ret = twl_i2c_read(TWL6030_MODULE_GASGAUGE, (u8 *) &fg_counter, - FG_REG_01, 3); - if (ret < 0) - return -EIO; - return sprintf(buf, "%d\n", fg_counter); -} - -static ssize_t show_fg_accumulator(struct device *dev, - struct device_attribute *attr, char *buf) -{ - long fg_accum = 0; - int ret; - - ret = twl_i2c_read(TWL6030_MODULE_GASGAUGE, (u8 *) &fg_accum, - FG_REG_04, 4); - if (ret > 0) - return -EIO; - - return sprintf(buf, "%ld\n", fg_accum); -} - -static ssize_t show_fg_offset(struct device *dev, - struct device_attribute *attr, char *buf) -{ - s16 fg_offset = 0; - int ret; - - ret = twl_i2c_read(TWL6030_MODULE_GASGAUGE, (u8 *) &fg_offset, - FG_REG_08, 2); - if (ret < 0) - return -EIO; - fg_offset = ((s16)(fg_offset << 6) >> 6); - - return sprintf(buf, "%d\n", fg_offset); -} - -static ssize_t set_fg_clear(struct device *dev, struct device_attribute *attr, - const char *buf, size_t count) -{ - long val; - int status = count; - int ret; - - if ((strict_strtol(buf, 10, &val) < 0) || (val != 1)) - return -EINVAL; - ret = twl_i2c_write_u8(TWL6030_MODULE_GASGAUGE, CC_AUTOCLEAR, - FG_REG_00); - if (ret) - return -EIO; - - return status; -} - -static ssize_t set_fg_cal(struct device *dev, struct device_attribute *attr, - const char *buf, size_t count) -{ - long val; - int status = count; - int ret; - - if ((strict_strtol(buf, 10, &val) < 0) || (val != 1)) - return -EINVAL; - ret = twl_i2c_write_u8(TWL6030_MODULE_GASGAUGE, CC_CAL_EN, FG_REG_00); - if (ret) - return -EIO; - - return status; -} - -static ssize_t set_charging(struct device *dev, struct device_attribute *attr, - const char *buf, size_t count) -{ - int status = count; - struct twl6030_bci_device_info *di = dev_get_drvdata(dev); - - if (strncmp(buf, "startac", 7) == 0) { - if (di->charger_source == POWER_SUPPLY_TYPE_USB) - twl6030_stop_usb_charger(di); - twl6030_start_ac_charger(di); - } else if (strncmp(buf, "startusb", 8) == 0) { - if (di->charger_source == POWER_SUPPLY_TYPE_MAINS) - twl6030_stop_ac_charger(di); - di->charger_source = POWER_SUPPLY_TYPE_USB; - di->charge_status = POWER_SUPPLY_STATUS_CHARGING; - twl6030_start_usb_charger(di); - } else if (strncmp(buf, "stop" , 4) == 0) - twl6030_stop_charger(di); - else - return -EINVAL; - - return status; -} - -static ssize_t set_regulation_voltage(struct device *dev, - struct device_attribute *attr, const char *buf, size_t count) -{ - long val; - int status = count; - struct twl6030_bci_device_info *di = dev_get_drvdata(dev); - - if ((strict_strtol(buf, 10, &val) < 0) || (val < 3500) - || (val > di->platform_data->max_charger_voltagemV)) - return -EINVAL; - di->platform_data->max_bat_voltagemV = val; - twl6030_config_voreg_reg(di, val); - - return status; -} - -static ssize_t show_regulation_voltage(struct device *dev, - struct device_attribute *attr, char *buf) -{ - unsigned int val; - struct twl6030_bci_device_info *di = dev_get_drvdata(dev); - - val = di->platform_data->max_bat_voltagemV; - return sprintf(buf, "%u\n", val); -} - -static ssize_t set_termination_current(struct device *dev, - struct device_attribute *attr, const char *buf, size_t count) -{ - long val; - int status = count; - struct twl6030_bci_device_info *di = dev_get_drvdata(dev); - - if ((strict_strtol(buf, 10, &val) < 0) || (val < 50) || (val > 400)) - return -EINVAL; - di->platform_data->termination_currentmA = val; - twl6030_config_iterm_reg(di, val); - - return status; -} - -static ssize_t show_termination_current(struct device *dev, - struct device_attribute *attr, char *buf) -{ - unsigned int val; - struct twl6030_bci_device_info *di = dev_get_drvdata(dev); - - val = di->platform_data->termination_currentmA; - return sprintf(buf, "%u\n", val); -} - -static ssize_t set_cin_limit(struct device *dev, - struct device_attribute *attr, const char *buf, size_t count) -{ - long val; - int status = count; - struct twl6030_bci_device_info *di = dev_get_drvdata(dev); - - if ((strict_strtol(buf, 10, &val) < 0) || (val < 50) || (val > 1500)) - return -EINVAL; - di->charger_incurrentmA = val; - twl6030_config_cinlimit_reg(di, val); - - return status; -} - -static ssize_t show_cin_limit(struct device *dev, struct device_attribute *attr, - char *buf) -{ - unsigned int val; - struct twl6030_bci_device_info *di = dev_get_drvdata(dev); - - val = di->charger_incurrentmA; - return sprintf(buf, "%u\n", val); -} - -static ssize_t set_charge_current(struct device *dev, - struct device_attribute *attr, const char *buf, size_t count) -{ - long val; - int status = count; - struct twl6030_bci_device_info *di = dev_get_drvdata(dev); - - if ((strict_strtol(buf, 10, &val) < 0) || (val < 300) - || (val > di->platform_data->max_charger_currentmA)) - return -EINVAL; - di->charger_outcurrentmA = val; - twl6030_config_vichrg_reg(di, val); - - return status; -} - -static ssize_t show_charge_current(struct device *dev, - struct device_attribute *attr, char *buf) -{ - unsigned int val; - struct twl6030_bci_device_info *di = dev_get_drvdata(dev); - - val = di->charger_outcurrentmA; - return sprintf(buf, "%u\n", val); -} - -static ssize_t set_min_vbus(struct device *dev, struct device_attribute *attr, - const char *buf, size_t count) -{ - long val; - int status = count; - struct twl6030_bci_device_info *di = dev_get_drvdata(dev); - - if ((strict_strtol(buf, 10, &val) < 0) || (val < 4200) || (val > 4760)) - return -EINVAL; - di->min_vbus = val; - twl6030_config_min_vbus_reg(di, val); - - return status; -} - -static ssize_t show_min_vbus(struct device *dev, struct device_attribute *attr, - char *buf) -{ - unsigned int val; - struct twl6030_bci_device_info *di = dev_get_drvdata(dev); - - val = di->min_vbus; - return sprintf(buf, "%u\n", val); -} - -static ssize_t set_current_avg_interval(struct device *dev, - struct device_attribute *attr, const char *buf, size_t count) -{ - long val; - int status = count; - struct twl6030_bci_device_info *di = dev_get_drvdata(dev); - - if ((strict_strtol(buf, 10, &val) < 0) || (val < 10) || (val > 3600)) - return -EINVAL; - di->current_avg_interval = val; - twl6030_current_mode_changed(di); - - return status; -} - -static ssize_t show_current_avg_interval(struct device *dev, - struct device_attribute *attr, char *buf) -{ - unsigned int val; - struct twl6030_bci_device_info *di = dev_get_drvdata(dev); - - val = di->current_avg_interval; - return sprintf(buf, "%u\n", val); -} - -static ssize_t set_wakelock_enable(struct device *dev, - struct device_attribute *attr, const char *buf, size_t count) -{ - long val; - int status = count; - struct twl6030_bci_device_info *di = dev_get_drvdata(dev); - - if ((strict_strtol(buf, 10, &val) < 0) || (val < 0) || (val > 1)) - return -EINVAL; - - if ((val) && (di->charger_source == POWER_SUPPLY_TYPE_MAINS)) - wake_lock(&chrg_lock); - else - wake_unlock(&chrg_lock); - - di->wakelock_enabled = val; - return status; -} - -static ssize_t show_wakelock_enable(struct device *dev, - struct device_attribute *attr, char *buf) -{ - unsigned int val; - struct twl6030_bci_device_info *di = dev_get_drvdata(dev); - - val = di->wakelock_enabled; - return sprintf(buf, "%u\n", val); -} - -static ssize_t set_monitoring_interval(struct device *dev, - struct device_attribute *attr, const char *buf, size_t count) -{ - long val; - int status = count; - struct twl6030_bci_device_info *di = dev_get_drvdata(dev); - - if ((strict_strtol(buf, 10, &val) < 0) || (val < 10) || (val > 3600)) - return -EINVAL; - di->monitoring_interval = val; - twl6030_work_interval_changed(di); - - return status; -} - -static ssize_t show_monitoring_interval(struct device *dev, - struct device_attribute *attr, char *buf) -{ - unsigned int val; - struct twl6030_bci_device_info *di = dev_get_drvdata(dev); - - val = di->monitoring_interval; - return sprintf(buf, "%u\n", val); -} - -static ssize_t show_bsi(struct device *dev, - struct device_attribute *attr, char *buf) -{ - int val; - struct twl6030_bci_device_info *di = dev_get_drvdata(dev); - - val = twl6030_get_gpadc_conversion(di, 0); - return sprintf(buf, "%d\n", val); -} - -static ssize_t show_stat1(struct device *dev, - struct device_attribute *attr, char *buf) -{ - unsigned val; - struct twl6030_bci_device_info *di = dev_get_drvdata(dev); - - val = di->stat1; - return sprintf(buf, "%u\n", val); -} - -static ssize_t show_status_int1(struct device *dev, - struct device_attribute *attr, char *buf) -{ - unsigned val; - struct twl6030_bci_device_info *di = dev_get_drvdata(dev); - - val = di->status_int1; - return sprintf(buf, "%u\n", val); -} - -static ssize_t show_status_int2(struct device *dev, - struct device_attribute *attr, char *buf) -{ - unsigned val; - struct twl6030_bci_device_info *di = dev_get_drvdata(dev); - - val = di->status_int2; - return sprintf(buf, "%u\n", val); -} - -static DEVICE_ATTR(fg_mode, S_IWUSR | S_IRUGO, show_fg_mode, set_fg_mode); -static DEVICE_ATTR(charge_src, S_IWUSR | S_IRUGO, show_charge_src, - set_charge_src); -static DEVICE_ATTR(vbus_voltage, S_IRUGO, show_vbus_voltage, NULL); -static DEVICE_ATTR(id_level, S_IRUGO, show_id_level, NULL); -static DEVICE_ATTR(watchdog, S_IWUSR | S_IRUGO, show_watchdog, set_watchdog); -static DEVICE_ATTR(fg_counter, S_IRUGO, show_fg_counter, NULL); -static DEVICE_ATTR(fg_accumulator, S_IRUGO, show_fg_accumulator, NULL); -static DEVICE_ATTR(fg_offset, S_IRUGO, show_fg_offset, NULL); -static DEVICE_ATTR(fg_clear, S_IWUSR, NULL, set_fg_clear); -static DEVICE_ATTR(fg_cal, S_IWUSR, NULL, set_fg_cal); -static DEVICE_ATTR(charging, S_IWUSR | S_IRUGO, NULL, set_charging); -static DEVICE_ATTR(regulation_voltage, S_IWUSR | S_IRUGO, - show_regulation_voltage, set_regulation_voltage); -static DEVICE_ATTR(termination_current, S_IWUSR | S_IRUGO, - show_termination_current, set_termination_current); -static DEVICE_ATTR(cin_limit, S_IWUSR | S_IRUGO, show_cin_limit, - set_cin_limit); -static DEVICE_ATTR(charge_current, S_IWUSR | S_IRUGO, show_charge_current, - set_charge_current); -static DEVICE_ATTR(min_vbus, S_IWUSR | S_IRUGO, show_min_vbus, set_min_vbus); -static DEVICE_ATTR(monitoring_interval, S_IWUSR | S_IRUGO, - show_monitoring_interval, set_monitoring_interval); -static DEVICE_ATTR(current_avg_interval, S_IWUSR | S_IRUGO, - show_current_avg_interval, set_current_avg_interval); -static DEVICE_ATTR(wakelock_enable, S_IWUSR | S_IRUGO, - show_wakelock_enable, set_wakelock_enable); -static DEVICE_ATTR(bsi, S_IRUGO, show_bsi, NULL); -static DEVICE_ATTR(stat1, S_IRUGO, show_stat1, NULL); -static DEVICE_ATTR(status_int1, S_IRUGO, show_status_int1, NULL); -static DEVICE_ATTR(status_int2, S_IRUGO, show_status_int2, NULL); - -static struct attribute *twl6030_bci_attributes[] = { - &dev_attr_fg_mode.attr, - &dev_attr_charge_src.attr, - &dev_attr_vbus_voltage.attr, - &dev_attr_id_level.attr, - &dev_attr_watchdog.attr, - &dev_attr_fg_counter.attr, - &dev_attr_fg_accumulator.attr, - &dev_attr_fg_offset.attr, - &dev_attr_fg_clear.attr, - &dev_attr_fg_cal.attr, - &dev_attr_charging.attr, - &dev_attr_regulation_voltage.attr, - &dev_attr_termination_current.attr, - &dev_attr_cin_limit.attr, - &dev_attr_charge_current.attr, - &dev_attr_min_vbus.attr, - &dev_attr_monitoring_interval.attr, - &dev_attr_current_avg_interval.attr, - &dev_attr_bsi.attr, - &dev_attr_stat1.attr, - &dev_attr_status_int1.attr, - &dev_attr_status_int2.attr, - &dev_attr_wakelock_enable.attr, - NULL, -}; - -static const struct attribute_group twl6030_bci_attr_group = { - .attrs = twl6030_bci_attributes, -}; - -static char *twl6030_bci_supplied_to[] = { - "twl6030_battery", -}; - -extern int dwc_vbus_status(void); - -static void twl6030_battery_update_status(struct twl6030_bci_device_info *di) -{ - power_supply_changed(&di->bat); - power_supply_changed(&di->usb); - power_supply_changed(&di->ac); - -} -static void twl6030_battery_work(struct work_struct *work) -{ - - struct twl6030_bci_device_info *di = container_of(work, struct twl6030_bci_device_info, work.work); - twl6030_battery_update_status(di); - //set charging current - twl_i2c_write_u8(TWL6030_MODULE_CHARGER,0x00,CHARGERUSB_CTRL1); - if(2 == dwc_vbus_status()){ - twl_i2c_write_u8(TWL6030_MODULE_CHARGER, 0x2e,CHARGERUSB_CINLIMIT); //set vbus input current is 1.5A - twl_i2c_write_u8(TWL6030_MODULE_CHARGER, 0x0b,CHARGERUSB_VICHRG); //set mos output current is 1A - } - else if(1 == dwc_vbus_status()){ - twl_i2c_write_u8(TWL6030_MODULE_CHARGER, 0x2e,CHARGERUSB_CINLIMIT);//set vbus input current is 500ma - twl_i2c_write_u8(TWL6030_MODULE_CHARGER, 0x09,CHARGERUSB_VICHRG); //set mos output current is 500ma - } - /* reschedule for the next time */ - queue_delayed_work(di->freezable_work, &di->work, di->interval); -} - -static int __devinit twl6030_bci_battery_probe(struct platform_device *pdev) -{ - struct twl4030_bci_platform_data *pdata = pdev->dev.platform_data; - struct twl6030_bci_device_info *di; - int irq; - int ret; - u8 controller_stat = 0; - u8 chargerusb_ctrl1 = 0; - u8 hw_state = 0; - u8 reg = 0; - //printk("%s\n", __func__); - if (!pdata) { - dev_info(&pdev->dev, "platform_data not available\n"); - return -EINVAL; - } - - di = kzalloc(sizeof(*di), GFP_KERNEL); - if (!di) - return -ENOMEM; - - di->platform_data = kmemdup(pdata, sizeof(*pdata), GFP_KERNEL); - if (!di->platform_data) { - kfree(di); - return -ENOMEM; - } - - if (pdata->monitoring_interval == 0) { - di->monitoring_interval = 10; - di->current_avg_interval = 10; - } else { - di->monitoring_interval = pdata->monitoring_interval; - di->current_avg_interval = pdata->monitoring_interval; - } - - di->platform_data = pdata; - di->features = pdata->features; - di->dev = &pdev->dev; - - -// printk("di->feature = %d, TWL6032_SUBCLASS = %d\n",di->features,TWL6032_SUBCLASS); - if (di->features & TWL6032_SUBCLASS) { - ret = twl_i2c_read_u8(TWL_MODULE_RTC, ®, CHARGER_MODE_REG); - if (ret) - goto temp_setup_fail; - - if (reg & CHARGER_MODE_POWERPATH) { - dev_dbg(di->dev, "Charger: PowerPath\n"); - di->use_power_path = 1; - } else { - dev_dbg(di->dev, "Charger: NON PowerPath\n"); - di->use_power_path = 0; - } - - if (reg & CHARGER_MODE_AUTOCHARGE) { - dev_dbg(di->dev, "Charger: AutoCharge\n"); - di->use_hw_charger = 1; - } else { - dev_dbg(di->dev, "Charger: NON AutoCharge\n"); - di->use_hw_charger = 0; - } - } else { - di->use_power_path = 0; - di->use_hw_charger = 0; - } -// printk("di->feature = %d, TWL6032_SUBCLASS = %d,di->use_hw_charger =%d \n",di->features,TWL6032_SUBCLASS,di->use_hw_charger ); - - - if (di->use_hw_charger) { - di->platform_data->max_charger_currentmA = - twl6030_get_limit2_reg(di); - di->platform_data->max_charger_voltagemV = - twl6030_get_limit1_reg(di); - di->platform_data->termination_currentmA = - twl6030_get_iterm_reg(di); - di->platform_data->max_bat_voltagemV = - twl6030_get_voreg_reg(di); - } -// printk("max_charger_currentmA = %d, max_charger_voltagemV = %d\n,termination_currentmA =%d, max_bat_voltagemV =%d \n",di->platform_data->max_charger_currentmA , -// di->platform_data->max_charger_voltagemV,di->platform_data->termination_currentmA, di->platform_data->max_bat_voltagemV); - di->bat.name = "twl6030_battery"; - di->bat.supplied_to = twl6030_bci_supplied_to; - di->bat.num_supplicants = ARRAY_SIZE(twl6030_bci_supplied_to); - di->bat.type = POWER_SUPPLY_TYPE_BATTERY; - di->bat.properties = twl6030_bci_battery_props; - di->bat.num_properties = ARRAY_SIZE(twl6030_bci_battery_props); - di->bat.get_property = twl6030_bci_battery_get_property; - //di->bat.external_power_changed = - // twl6030_bci_battery_external_power_changed; - di->bat_health = POWER_SUPPLY_HEALTH_GOOD; - - di->usb.name = "twl6030_usb"; - di->usb.type = POWER_SUPPLY_TYPE_USB; - di->usb.properties = twl6030_usb_props; - di->usb.num_properties = ARRAY_SIZE(twl6030_usb_props); - di->usb.get_property = twl6030_usb_get_property; - - di->ac.name = "twl6030_ac"; - di->ac.type = POWER_SUPPLY_TYPE_MAINS; - di->ac.properties = twl6030_ac_props; - di->ac.num_properties = ARRAY_SIZE(twl6030_ac_props); - di->ac.get_property = twl6030_ac_get_property; - - di->charge_status = POWER_SUPPLY_STATUS_DISCHARGING; - - di->bk_bat.name = "twl6030_bk_battery"; - di->bk_bat.type = POWER_SUPPLY_TYPE_BATTERY; - di->bk_bat.properties = twl6030_bk_bci_battery_props; - di->bk_bat.num_properties = ARRAY_SIZE(twl6030_bk_bci_battery_props); - di->bk_bat.get_property = twl6030_bk_bci_battery_get_property; - - di->vac_priority = 2; - di->capacity = -1; - di->capacity_debounce_count = 0; - di->ac_next_refresh = jiffies - 1; - platform_set_drvdata(pdev, di); - - /* calculate current max scale from sense */ - if (pdata->sense_resistor_mohm) { - di->current_max_scale = (62000) / pdata->sense_resistor_mohm; - } else { - /* Set sensible defaults if platform data is missing */ - if (di->features & TWL6032_SUBCLASS) - di->current_max_scale = 3100; - else - di->current_max_scale = 6200; - } - - wake_lock_init(&chrg_lock, WAKE_LOCK_SUSPEND, "ac_chrg_wake_lock"); - /* settings for temperature sensing */ - ret = twl6030battery_temp_setup(true); - if (ret) - goto temp_setup_fail; - - /* request charger fault interruption choosing between sw/hw mode */ - irq = platform_get_irq(pdev, 1); - if (!di->use_hw_charger) - ret = request_threaded_irq(irq, NULL, - twl6030charger_fault_interrupt, - 0, "twl_bci_fault", di); - else - ret = request_threaded_irq(irq, NULL, - twl6032charger_fault_interrupt_hw, - 0, "twl_bci_fault", di); - - if (ret) { - dev_info(&pdev->dev, "could not request irq %d, status %d\n", - irq, ret); - goto temp_setup_fail; - } - - /* request charger ctrl interruption choosing between sw/hw mode */ - irq = platform_get_irq(pdev, 0); - if (!di->use_hw_charger) - ret = request_threaded_irq(irq, NULL, - twl6030charger_ctrl_interrupt, - 0, "twl_bci_ctrl", di); - else - ret = request_threaded_irq(irq, NULL, - twl6032charger_ctrl_interrupt_hw, - 0, "twl_bci_ctrl", di); // 一直在检测电池的状态 - - if (ret) { - dev_info(&pdev->dev, "could not request irq %d, status %d\n", - irq, ret); - goto chg_irq_fail; - } - - ret = power_supply_register(&pdev->dev, &di->bat); - if (ret) { - dev_info(&pdev->dev, "failed to register main battery\n"); - goto batt_failed; - } - - ret = power_supply_register(&pdev->dev, &di->usb); - if (ret) { - dev_info(&pdev->dev, "failed to register usb power supply\n"); - goto usb_failed; - } - - ret = power_supply_register(&pdev->dev, &di->ac); - if (ret) { - dev_info(&pdev->dev, "failed to register ac power supply\n"); - goto ac_failed; - } - - ret = power_supply_register(&pdev->dev, &di->bk_bat); - if (ret) { - dev_info(&pdev->dev, "failed to register backup battery\n"); - goto bk_batt_failed; - } - di->charge_n1 = 0; - di->timer_n1 = 0; - - //di->freezable_work = create_freezable_workqueue("battery"); -#if 1 - if (di->features & TWL6032_SUBCLASS) { - di->charger_incurrentmA = 1000; - di->gpadc_vbat_chnl = TWL6032_GPADC_VBAT_CHNL; - } else { - di->charger_incurrentmA = twl6030_get_usb_max_power(di->otg); - di->gpadc_vbat_chnl = TWL6030_GPADC_VBAT_CHNL; - } -#endif -#if 1 - - ret = twl6030battery_voltage_setup(di); - if (ret) - dev_info(&pdev->dev, "voltage measurement setup failed\n"); - - ret = twl6030battery_current_setup(true); - if (ret) - dev_info(&pdev->dev, "current measurement setup failed\n"); - - - di->voltage_mV = twl6030_get_gpadc_conversion(di, di->gpadc_vbat_chnl); - di->voltage_mV = twl6030_get_gpadc_conversion(di, di->gpadc_vbat_chnl); - di->capacity = twl6030_batt_vol_to_capacity( di); - twl6030battery_current(di); -#endif - di->freezable_work = system_freezable_wq; - INIT_DELAYED_WORK(&di->twl6030_bci_monitor_work, - twl6030_bci_battery_work); - queue_delayed_work(di->freezable_work, &di->twl6030_bci_monitor_work, 0); -#if 1 - INIT_DELAYED_WORK_DEFERRABLE(&di->twl6030_current_avg_work, - twl6030_current_avg); - queue_delayed_work(di->freezable_work, &di->twl6030_current_avg_work, 500); -#endif -#if 0 - ret = twl6030battery_voltage_setup(di); - if (ret) - dev_info(&pdev->dev, "voltage measurement setup failed\n"); - - ret = twl6030battery_current_setup(true); - if (ret) - dev_info(&pdev->dev, "current measurement setup failed\n"); -#endif - -//////////////////////////////////////////////////////////////////////////////////////////////////////////////// - /* initialize for USB charging */ - if (!di->use_hw_charger) { - twl6030_config_limit1_reg(di, pdata->max_charger_voltagemV); - twl6030_config_limit2_reg(di, - di->platform_data->max_charger_currentmA); - } - ret = twl_i2c_write_u8(TWL6030_MODULE_CHARGER, MBAT_TEMP, - CONTROLLER_INT_MASK); - if (ret) - goto bk_batt_failed; - - ret = twl_i2c_write_u8(TWL6030_MODULE_CHARGER, MASK_MCHARGERUSB_THMREG, - CHARGERUSB_INT_MASK); - if (ret) - goto bk_batt_failed; - - ret = twl_i2c_read_u8(TWL6030_MODULE_CHARGER, &controller_stat, - CONTROLLER_STAT1); - if (ret) - goto bk_batt_failed; - - di->stat1 = controller_stat; - di->charger_outcurrentmA = di->platform_data->max_charger_currentmA; - - twl6030_set_watchdog(di, 32); - - INIT_WORK(&di->usb_work, twl6030_usb_charger_work); - di->nb.notifier_call = twl6030_usb_notifier_call; - di->otg = otg_get_transceiver(); - if (di->otg) { - ret = otg_register_notifier(di->otg, &di->nb); - if (ret) - dev_err(&pdev->dev, "otg register notifier" - " failed %d\n", ret); - } else - dev_err(&pdev->dev, "otg_get_transceiver failed %d\n", ret); - - - if (di->features & TWL6032_SUBCLASS) { - di->charger_incurrentmA = 1000; - di->gpadc_vbat_chnl = TWL6032_GPADC_VBAT_CHNL; - } else { - di->charger_incurrentmA = twl6030_get_usb_max_power(di->otg); - di->gpadc_vbat_chnl = TWL6030_GPADC_VBAT_CHNL; - } - - di->voltage_mV = twl6030_get_gpadc_conversion(di, di->gpadc_vbat_chnl); - dev_info(&pdev->dev, "Battery Voltage at Bootup is %d mV\n", - di->voltage_mV); - - ret = twl_i2c_read_u8(TWL6030_MODULE_ID0, &hw_state, STS_HW_CONDITIONS); - if (ret) - goto bk_batt_failed; - if (!is_battery_present(di)) { - if (!(hw_state & STS_USB_ID)) { - dev_dbg(di->dev, "Put USB in HZ mode\n"); - ret = twl_i2c_read_u8(TWL6030_MODULE_CHARGER, - &chargerusb_ctrl1, CHARGERUSB_CTRL1); - if (ret) - goto bk_batt_failed; - - chargerusb_ctrl1 |= HZ_MODE; // high-impedance - ret = twl_i2c_write_u8(TWL6030_MODULE_CHARGER, - chargerusb_ctrl1, CHARGERUSB_CTRL1); - if (ret) - goto bk_batt_failed; - } - } else if (!di->use_hw_charger) { - if (controller_stat & VAC_DET) { - di->ac_online = POWER_SUPPLY_TYPE_MAINS; - twl6030_start_ac_charger(di); - } else if (controller_stat & VBUS_DET) { - /* - * In HOST mode (ID GROUND) with a device connected, - * do no enable usb charging - */ - if (!(hw_state & STS_USB_ID)) { - di->usb_online = POWER_SUPPLY_TYPE_USB; - di->charger_source = POWER_SUPPLY_TYPE_USB; - di->charge_status = - POWER_SUPPLY_STATUS_CHARGING; - di->event = USB_EVENT_VBUS; - schedule_work(&di->usb_work); - } - } - } else { - int fault, charge_usb, charge_ac; - - twl_i2c_read_u8(TWL6032_MODULE_CHARGER, ®, - CHARGERUSB_INT_STATUS); - - fault = !(di->stat1 & CONTROLLER_STAT1_LINCH_GATED) && - !(di->stat1 & CONTROLLER_STAT1_FAULT_WDG); - charge_usb = (di->stat1 & VBUS_DET) && - !(reg & CHARGERUSB_FAULT); - charge_ac = (di->stat1 & VAC_DET) && - !(di->stat1 & CONTROLLER_STAT1_EXTCHRG_STATZ); - - dev_dbg(di->dev, "boot charge state fault %d, usb %d, ac %d\n", - fault, charge_usb, charge_ac); - - if (fault && (charge_usb || charge_ac)) - di->charge_status = POWER_SUPPLY_STATUS_CHARGING; - else { - if (di->stat1 & (VBUS_DET | VAC_DET)) - di->charge_status = - POWER_SUPPLY_STATUS_NOT_CHARGING; - else - di->charge_status = - POWER_SUPPLY_STATUS_DISCHARGING; - } - } -#if 1 - di->interval = msecs_to_jiffies(1 * 1000); - INIT_DELAYED_WORK(&di->work, twl6030_battery_work); - queue_delayed_work(di->freezable_work, &di->work, 1*HZ); -#endif - ret = twl6030backupbatt_setup(); - if (ret) - dev_info(&pdev->dev, "Backup Bat charging setup failed\n"); - - twl6030_interrupt_unmask(TWL6030_CHARGER_CTRL_INT_MASK, - REG_INT_MSK_LINE_C); - twl6030_interrupt_unmask(TWL6030_CHARGER_CTRL_INT_MASK, - REG_INT_MSK_STS_C); - twl6030_interrupt_unmask(TWL6030_CHARGER_FAULT_INT_MASK, - REG_INT_MSK_LINE_C); - twl6030_interrupt_unmask(TWL6030_CHARGER_FAULT_INT_MASK, - REG_INT_MSK_STS_C); - - ret = sysfs_create_group(&pdev->dev.kobj, &twl6030_bci_attr_group); - if (ret) - dev_info(&pdev->dev, "could not create sysfs files\n"); - - return 0; - -bk_batt_failed: - cancel_delayed_work(&di->twl6030_bci_monitor_work); - power_supply_unregister(&di->ac); -ac_failed: - power_supply_unregister(&di->usb); -usb_failed: - power_supply_unregister(&di->bat); -batt_failed: - free_irq(irq, di); -chg_irq_fail: - irq = platform_get_irq(pdev, 1); - free_irq(irq, di); -temp_setup_fail: - wake_lock_destroy(&chrg_lock); - platform_set_drvdata(pdev, NULL); - kfree(di); - - return ret; -} - -static int __devexit twl6030_bci_battery_remove(struct platform_device *pdev) -{ - struct twl6030_bci_device_info *di = platform_get_drvdata(pdev); - int irq; - - twl6030_interrupt_mask(TWL6030_CHARGER_CTRL_INT_MASK, - REG_INT_MSK_LINE_C); - twl6030_interrupt_mask(TWL6030_CHARGER_CTRL_INT_MASK, - REG_INT_MSK_STS_C); - twl6030_interrupt_mask(TWL6030_CHARGER_FAULT_INT_MASK, - REG_INT_MSK_LINE_C); - twl6030_interrupt_mask(TWL6030_CHARGER_FAULT_INT_MASK, - REG_INT_MSK_STS_C); - - irq = platform_get_irq(pdev, 0); - free_irq(irq, di); - - irq = platform_get_irq(pdev, 1); - free_irq(irq, di); - - otg_unregister_notifier(di->otg, &di->nb); - sysfs_remove_group(&pdev->dev.kobj, &twl6030_bci_attr_group); - cancel_delayed_work(&di->twl6030_bci_monitor_work); - cancel_delayed_work(&di->twl6030_current_avg_work); - flush_scheduled_work(); - power_supply_unregister(&di->bat); - power_supply_unregister(&di->usb); - power_supply_unregister(&di->ac); - power_supply_unregister(&di->bk_bat); - wake_lock_destroy(&chrg_lock); - platform_set_drvdata(pdev, NULL); - kfree(di->platform_data); - kfree(di); - - return 0; -} - -#ifdef CONFIG_PM -static int twl6030_bci_battery_suspend(struct device *dev) -{ - struct platform_device *pdev = to_platform_device(dev); - struct twl6030_bci_device_info *di = platform_get_drvdata(pdev); - long int events; - u8 rd_reg = 0; - int ret; - - /* mask to prevent wakeup due to 32s timeout from External charger */ - ret = twl_i2c_read_u8(TWL6030_MODULE_CHARGER, &rd_reg, - CONTROLLER_INT_MASK); - if (ret) - goto err; - - rd_reg |= MVAC_FAULT; - ret = twl_i2c_write_u8(TWL6030_MODULE_CHARGER, MBAT_TEMP, - CONTROLLER_INT_MASK); - if (ret) - goto err; - - //cancel_delayed_work(&di->work); - cancel_delayed_work(&di->twl6030_bci_monitor_work); - //cancel_delayed_work(&di->twl6030_current_avg_work); - - di->suspend_capacity = di->capacity; - - /* We cannot tolarate a sleep longer than 30 seconds - * while on ac charging we have to reset the BQ watchdog timer. - */ -// if ((di->charger_source == POWER_SUPPLY_TYPE_MAINS) && -// ((wakeup_timer_seconds > 25) || !wakeup_timer_seconds)) { -// wakeup_timer_seconds = 25; -// } - - /*reset the BQ watch dog*/ - events = BQ2415x_RESET_TIMER; - blocking_notifier_call_chain(¬ifier_list, events, NULL); - - ret = twl6030battery_temp_setup(false); - if (ret) { - pr_err("%s: Temp measurement setup failed (%d)!\n", - __func__, ret); - return ret; - } - - ret = twl6030battery_current_setup(false); - if (ret) { - pr_err("%s: Current measurement setup failed (%d)!\n", - __func__, ret); - return ret; - } - - return 0; -err: - pr_err("%s: Error access to TWL6030 (%d)\n", __func__, ret); - return ret; -} - -static int twl6030_bci_battery_resume(struct device *dev) -{ - struct platform_device *pdev = to_platform_device(dev); - struct twl6030_bci_device_info *di = platform_get_drvdata(pdev); - long int events; - u8 rd_reg = 0; - int ret; - - di->resume_status =1; - ret = twl6030battery_temp_setup(true); - if (ret) { - pr_err("%s: Temp measurement setup failed (%d)!\n", - __func__, ret); - return ret; - } - - ret = twl6030battery_current_setup(true); - if (ret) { - pr_err("%s: Current measurement setup failed (%d)!\n", - __func__, ret); - return ret; - } - - ret = twl_i2c_read_u8(TWL6030_MODULE_CHARGER, &rd_reg, CONTROLLER_INT_MASK); - if (ret) - goto err; - - rd_reg &= ~(0xFF & MVAC_FAULT); - ret = twl_i2c_write_u8(TWL6030_MODULE_CHARGER, MBAT_TEMP, - CONTROLLER_INT_MASK); - if (ret) - goto err; - - queue_delayed_work(di->freezable_work, &di->twl6030_bci_monitor_work, 0); - //queue_delayed_work(di->freezable_work, &di->twl6030_current_avg_work, 50); - //queue_delayed_work(di->freezable_work, &di->work, di->interval); - - events = BQ2415x_RESET_TIMER; - blocking_notifier_call_chain(¬ifier_list, events, NULL); - - return 0; -err: - pr_err("%s: Error access to TWL6030 (%d)\n", __func__, ret); - return ret; -} -#else -#define twl6030_bci_battery_suspend NULL -#define twl6030_bci_battery_resume NULL -#endif /* CONFIG_PM */ - -static const struct dev_pm_ops pm_ops = { - .suspend = twl6030_bci_battery_suspend, - .resume = twl6030_bci_battery_resume, -}; - -static struct platform_driver twl6030_bci_battery_driver = { - .probe = twl6030_bci_battery_probe, - .remove = __devexit_p(twl6030_bci_battery_remove), - .driver = { - .name = "twl6030_bci", - .pm = &pm_ops, - }, -}; - -static int __init twl6030_battery_init(void) -{ - return platform_driver_register(&twl6030_bci_battery_driver); -} -module_init(twl6030_battery_init); - -static void __exit twl6030_battery_exit(void) -{ - platform_driver_unregister(&twl6030_bci_battery_driver); -} -module_exit(twl6030_battery_exit); - -MODULE_LICENSE("GPL"); -MODULE_ALIAS("platform:twl6030_bci"); -MODULE_AUTHOR("Texas Instruments Inc"); |