/
mt6356_gauge.c
2953 lines (2406 loc) · 87.3 KB
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mt6356_gauge.c
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/*
* Copyright (C) 2015 MediaTek Inc.
*
* This program 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 program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <linux/delay.h>
#include <linux/time.h>
#include <asm/div64.h>
#include <mt-plat/upmu_common.h>
#include <mach/mtk_battery_property.h>
#include <mach/mtk_pmic.h>
#include <mt-plat/mtk_battery.h>
#include <mt-plat/upmu_common.h>
#include <mt-plat/mtk_rtc_hal_common.h>
#include <mt-plat/mtk_rtc.h>
#include "include/pmic_throttling_dlpt.h"
#include <linux/proc_fs.h>
#include <linux/math64.h>
#include <mtk_gauge_class.h>
#include <mtk_battery_internal.h>
#define UNIT_FGCURRENT (314331)
/* mt6356 314.331 uA */
#define UNIT_FGCAR (89409)
/* charge_lsb 157166 * 2^11 / 3600 */
#define R_VAL_TEMP_2 (2)
/* MT6335 use 3, old chip use 4 */
#define R_VAL_TEMP_3 (3)
/* MT6335 use 3, old chip use 4 */
#define UNIT_TIME (50)
#define UNIT_FGCAR_ZCV (157166)
/* unit 2^0 LSB */
#define UNIT_FG_IAVG (157166)
#define CAR_TO_REG_FACTOR (0x5979)
/* 3600 * 1000 * 1000 / 157166 */
static signed int g_hw_ocv_tune_value;
static bool g_fg_is_charger_exist;
struct mt6356_gauge {
const char *gauge_dev_name;
struct gauge_device *gauge_dev;
struct gauge_properties gauge_prop;
};
#define VOLTAGE_FULL_RANGE 1800
#define ADC_PRECISE 32768 /* 12 bits */
enum {
FROM_SW_OCV = 1,
FROM_6356_PLUG_IN,
FROM_6356_PON_ON,
FROM_6336_CHR_IN
};
int MV_to_REG_12_value(signed int _reg)
{
int ret = (_reg * 4096) / (VOLTAGE_FULL_RANGE * 10 * R_VAL_TEMP_3);
bm_trace("[MV_to_REG_12_value] %d => %d\n", _reg, ret);
return ret;
}
static int MV_to_REG_12_temp_value(signed int _reg)
{
int ret = (_reg * 4096) / (VOLTAGE_FULL_RANGE * 10 * R_VAL_TEMP_2);
bm_trace("[MV_to_REG_12_temp_value] %d => %d\n", _reg, ret);
return ret;
}
static signed int REG_to_MV_value(signed int _reg)
{
/*int ret = (_reg * VOLTAGE_FULL_RANGE * 10 * R_VAL_TEMP_3) / ADC_PRECISE;*/
long long _reg64 = _reg;
int ret;
#if defined(__LP64__) || defined(_LP64)
_reg64 = (_reg64 * VOLTAGE_FULL_RANGE * 10 * R_VAL_TEMP_3) / ADC_PRECISE;
#else
_reg64 = div_s64(_reg64 * VOLTAGE_FULL_RANGE * 10 * R_VAL_TEMP_3, ADC_PRECISE);
#endif
ret = _reg64;
bm_trace("[REG_to_MV_value] %lld => %d\n", _reg64, ret);
return ret;
}
static signed int MV_to_REG_value(signed int _mv)
{
int ret;
long long _reg64 = _mv;
#if defined(__LP64__) || defined(_LP64)
_reg64 = (_reg64 * ADC_PRECISE) / (VOLTAGE_FULL_RANGE * 10 * R_VAL_TEMP_3);
#else
_reg64 = div_s64((_reg64 * ADC_PRECISE), (VOLTAGE_FULL_RANGE * 10 * R_VAL_TEMP_3));
#endif
ret = _reg64;
if (ret <= 0) {
bm_err("[fg_bat_nafg][MV_to_REG_value] mv=%d,%lld => %d,\n", _mv, _reg64, ret);
return ret;
}
bm_trace("[MV_to_REG_value] mv=%d,%lld => %d,\n", _mv, _reg64, ret);
return ret;
}
static int fgauge_set_info(struct gauge_device *gauge_dev, enum gauge_info ginfo, int value)
{
int ret = 0;
if (ginfo == GAUGE_2SEC_REBOOT)
pmic_config_interface(PMIC_RG_SYSTEM_INFO_CON0_ADDR, value, 0x0001, 0x0);
else if (ginfo == GAUGE_PL_CHARGING_STATUS)
pmic_config_interface(PMIC_RG_SYSTEM_INFO_CON0_ADDR, value, 0x0001, 0x1);
else if (ginfo == GAUGE_MONITER_PLCHG_STATUS)
pmic_config_interface(PMIC_RG_SYSTEM_INFO_CON0_ADDR, value, 0x0001, 0x2);
else if (ginfo == GAUGE_IS_NVRAM_FAIL_MODE)
pmic_config_interface(PMIC_RG_SYSTEM_INFO_CON0_ADDR, value, 0x0001, 0x4);
else if (ginfo == GAUGE_CON0_SOC) {
value = value / 100;
pmic_config_interface(PMIC_RG_SYSTEM_INFO_CON0_ADDR, value, 0x007F, 0x9);
} else
ret = -1;
return 0;
}
static int fgauge_get_info(struct gauge_device *gauge_dev, enum gauge_info ginfo, int *value)
{
int ret = 0;
if (ginfo == GAUGE_2SEC_REBOOT)
pmic_read_interface(PMIC_RG_SYSTEM_INFO_CON0_ADDR, value, 0x0001, 0x0);
else if (ginfo == GAUGE_PL_CHARGING_STATUS)
pmic_read_interface(PMIC_RG_SYSTEM_INFO_CON0_ADDR, value, 0x0001, 0x1);
else if (ginfo == GAUGE_MONITER_PLCHG_STATUS)
pmic_read_interface(PMIC_RG_SYSTEM_INFO_CON0_ADDR, value, 0x0001, 0x2);
else if (ginfo == GAUGE_IS_NVRAM_FAIL_MODE)
pmic_read_interface(PMIC_RG_SYSTEM_INFO_CON0_ADDR, value, 0x0001, 0x4);
else if (ginfo == GAUGE_CON0_SOC)
pmic_read_interface(PMIC_RG_SYSTEM_INFO_CON0_ADDR, value, 0x007F, 0x9);
else
ret = -1;
return 0;
}
static unsigned int fg_get_data_ready_status(void)
{
unsigned int ret = 0;
unsigned int temp_val = 0;
ret = pmic_read_interface(PMIC_FG_LATCHDATA_ST_ADDR, &temp_val, 0xFFFF, 0x0);
temp_val =
(temp_val & (PMIC_FG_LATCHDATA_ST_MASK << PMIC_FG_LATCHDATA_ST_SHIFT))
>> PMIC_FG_LATCHDATA_ST_SHIFT;
return temp_val;
}
void read_fg_hw_info_current_1(struct gauge_device *gauge_dev)
{
long long fg_current_1_reg;
signed int dvalue;
long long Temp_Value;
int sign_bit = 0;
fg_current_1_reg = pmic_get_register_value(PMIC_FG_CURRENT_OUT);
/*calculate the real world data */
dvalue = (unsigned int) fg_current_1_reg;
if (dvalue == 0) {
Temp_Value = (long long) dvalue;
sign_bit = 0;
} else if (dvalue > 32767) {
/* > 0x8000 */
Temp_Value = (long long) (dvalue - 65535);
Temp_Value = Temp_Value - (Temp_Value * 2);
sign_bit = 1;
} else {
Temp_Value = (long long) dvalue;
sign_bit = 0;
}
Temp_Value = Temp_Value * UNIT_FGCURRENT;
do_div(Temp_Value, 100000);
dvalue = (unsigned int) Temp_Value;
if (gauge_dev->fg_cust_data->r_fg_value != 100)
dvalue = (dvalue * 100) / gauge_dev->fg_cust_data->r_fg_value;
if (sign_bit == 1)
dvalue = dvalue - (dvalue * 2);
gauge_dev->fg_hw_info.current_1 = ((dvalue * gauge_dev->fg_cust_data->car_tune_value) / 1000);
}
void read_fg_hw_info_current_2(struct gauge_device *gauge_dev)
{
long long fg_current_2_reg;
signed int dvalue;
long long Temp_Value;
int sign_bit = 0;
fg_current_2_reg = pmic_get_register_value(PMIC_FG_CIC2);
/*calculate the real world data */
dvalue = (unsigned int) fg_current_2_reg;
if (dvalue == 0) {
Temp_Value = (long long) dvalue;
sign_bit = 0;
} else if (dvalue > 32767) {
/* > 0x8000 */
Temp_Value = (long long) (dvalue - 65535);
Temp_Value = Temp_Value - (Temp_Value * 2);
sign_bit = 1;
} else {
Temp_Value = (long long) dvalue;
sign_bit = 0;
}
Temp_Value = Temp_Value * UNIT_FGCURRENT;
do_div(Temp_Value, 100000);
dvalue = (unsigned int) Temp_Value;
if (gauge_dev->fg_cust_data->r_fg_value != 100)
dvalue = (dvalue * 100) / gauge_dev->fg_cust_data->r_fg_value;
if (sign_bit == 1)
dvalue = dvalue - (dvalue * 2);
gauge_dev->fg_hw_info.current_2 = ((dvalue * gauge_dev->fg_cust_data->car_tune_value) / 1000);
}
static void read_fg_hw_info_Iavg(struct gauge_device *gauge_dev, int *is_iavg_valid)
{
long long fg_iavg_reg = 0;
long long fg_iavg_reg_tmp = 0;
long long fg_iavg_ma = 0;
int fg_iavg_reg_27_16 = 0;
int fg_iavg_reg_15_00 = 0;
int sign_bit = 0;
int is_bat_charging;
int valid_bit;
valid_bit = pmic_get_register_value(PMIC_FG_IAVG_VLD);
*is_iavg_valid = valid_bit;
if (valid_bit == 1) {
fg_iavg_reg_27_16 = pmic_get_register_value(PMIC_FG_IAVG_27_16);
fg_iavg_reg_15_00 = pmic_get_register_value(PMIC_FG_IAVG_15_00);
fg_iavg_reg = fg_iavg_reg_27_16;
fg_iavg_reg = ((long long)fg_iavg_reg << 16) + fg_iavg_reg_15_00;
sign_bit = (fg_iavg_reg_27_16 & 0x800) >> 11;
if (sign_bit) {
fg_iavg_reg_tmp = fg_iavg_reg;
fg_iavg_reg = 0xfffffff - fg_iavg_reg_tmp + 1;
}
if (sign_bit)
is_bat_charging = 0; /* discharge */
else
is_bat_charging = 1; /* charge */
fg_iavg_ma = fg_iavg_reg * UNIT_FG_IAVG * gauge_dev->fg_cust_data->car_tune_value;
do_div(fg_iavg_ma, 1000000);
do_div(fg_iavg_ma, gauge_dev->fg_cust_data->r_fg_value);
if (sign_bit == 1)
fg_iavg_ma = 0 - fg_iavg_ma;
gauge_dev->fg_hw_info.current_avg = fg_iavg_ma;
gauge_dev->fg_hw_info.current_avg_sign = sign_bit;
} else {
read_fg_hw_info_current_1(gauge_dev);
gauge_dev->fg_hw_info.current_avg = gauge_dev->fg_hw_info.current_1;
is_bat_charging = 0; /* discharge */
}
bm_debug(
"[read_fg_hw_info_Iavg] fg_iavg_reg 0x%llx fg_iavg_reg_tmp 0x%llx 27_16 0x%x 15_00 0x%x\n",
fg_iavg_reg, fg_iavg_reg_tmp, fg_iavg_reg_27_16, fg_iavg_reg_15_00);
bm_debug(
"[read_fg_hw_info_Iavg] is_bat_charging %d fg_iavg_ma 0x%llx\n",
is_bat_charging, fg_iavg_ma);
}
static signed int fg_get_current_iavg(struct gauge_device *gauge_dev, int *data)
{
long long fg_iavg_reg = 0;
long long fg_iavg_reg_tmp = 0;
long long fg_iavg_ma = 0;
int fg_iavg_reg_27_16 = 0;
int fg_iavg_reg_15_00 = 0;
int sign_bit = 0;
int is_bat_charging;
int ret, m;
/* Set Read Latchdata */
ret = pmic_config_interface(MT6356_FGADC_CON1, 0x0001, 0x000F, 0x0);
m = 0;
while (fg_get_data_ready_status() == 0) {
m++;
if (m > 1000) {
bm_err(
"[fg_get_current_iavg] fg_get_data_ready_status timeout 1 !\r\n");
break;
}
}
if (pmic_get_register_value(PMIC_FG_IAVG_VLD) == 1) {
fg_iavg_reg_27_16 = pmic_get_register_value(PMIC_FG_IAVG_27_16);
fg_iavg_reg_15_00 = pmic_get_register_value(PMIC_FG_IAVG_15_00);
fg_iavg_reg = fg_iavg_reg_27_16;
fg_iavg_reg = ((long long)fg_iavg_reg << 16) + fg_iavg_reg_15_00;
sign_bit = (fg_iavg_reg_27_16 & 0x800) >> 11;
if (sign_bit) {
fg_iavg_reg_tmp = fg_iavg_reg;
/*fg_iavg_reg = fg_iavg_reg_tmp - 0xfffffff - 1;*/
fg_iavg_reg = 0xfffffff - fg_iavg_reg_tmp + 1;
}
if (sign_bit == 1)
is_bat_charging = 0; /* discharge */
else
is_bat_charging = 1; /* charge */
fg_iavg_ma = fg_iavg_reg * UNIT_FG_IAVG * gauge_dev->fg_cust_data->car_tune_value;
bm_trace("[fg_get_current_iavg] fg_iavg_ma %lld fg_iavg_reg %lld fg_iavg_reg_tmp %lld\n",
fg_iavg_ma, fg_iavg_reg, fg_iavg_reg_tmp);
do_div(fg_iavg_ma, 1000000);
bm_trace("[fg_get_current_iavg] fg_iavg_ma %lld\n", fg_iavg_ma);
do_div(fg_iavg_ma, gauge_dev->fg_cust_data->r_fg_value);
bm_trace("[fg_get_current_iavg] fg_iavg_ma %lld\n", fg_iavg_ma);
if (sign_bit == 1)
fg_iavg_ma = 0 - fg_iavg_ma;
bm_trace(
"[fg_get_current_iavg] fg_iavg_ma %lld fg_iavg_reg %lld r_fg_value %d 27_16 0x%x 15_00 0x%x\n",
fg_iavg_ma, fg_iavg_reg, gauge_dev->fg_cust_data->r_fg_value,
fg_iavg_reg_27_16, fg_iavg_reg_15_00);
gauge_dev->fg_hw_info.current_avg = fg_iavg_ma;
gauge_dev->fg_hw_info.current_avg_sign = sign_bit;
bm_trace("[fg_get_current_iavg] PMIC_FG_IAVG_VLD == 1\n");
} else {
read_fg_hw_info_current_1(gauge_dev);
gauge_dev->fg_hw_info.current_avg = gauge_dev->fg_hw_info.current_1;
if (gauge_dev->fg_hw_info.current_1 < 0)
gauge_dev->fg_hw_info.current_avg_sign = 1;
bm_debug("[fg_get_current_iavg] PMIC_FG_IAVG_VLD != 1, avg %d, current_1 %d\n",
gauge_dev->fg_hw_info.current_avg, gauge_dev->fg_hw_info.current_1);
}
/* recover read */
ret = pmic_config_interface(MT6356_FGADC_CON1, 0x0008, 0x000F, 0x0);
m = 0;
while (fg_get_data_ready_status() != 0) {
m++;
if (m > 1000) {
bm_err(
"[fg_get_current_iavg] fg_get_data_ready_status timeout 2 !\r\n");
break;
}
}
ret = pmic_config_interface(MT6356_FGADC_CON1, 0x0000, 0x000F, 0x0);
*data = gauge_dev->fg_hw_info.current_avg;
bm_debug("[fg_get_current_iavg] %d\n", *data);
return 0;
}
static signed int fg_set_iavg_intr(struct gauge_device *gauge_dev, void *data)
{
int iavg_gap = *(unsigned int *) (data);
int iavg;
long long iavg_ht, iavg_lt;
int ret;
int sign_bit_ht, sign_bit_lt;
long long fg_iavg_reg_ht, fg_iavg_reg_lt;
int fg_iavg_lth_28_16, fg_iavg_lth_15_00;
int fg_iavg_hth_28_16, fg_iavg_hth_15_00;
/* fg_iavg_ma = fg_iavg_reg * UNIT_FG_IAVG * fg_cust_data.car_tune_value */
/* fg_iavg_ma = fg_iavg_ma / 1000 / 1000 / fg_cust_data.r_fg_value; */
ret = fg_get_current_iavg(gauge_dev, &iavg);
iavg_ht = abs(iavg) + iavg_gap;
iavg_lt = abs(iavg) - iavg_gap;
if (iavg_lt <= 0)
iavg_lt = 0;
get_mtk_battery()->hw_status.iavg_ht = iavg_ht;
get_mtk_battery()->hw_status.iavg_lt = iavg_lt;
fg_iavg_reg_ht = iavg_ht * 1000 * 1000 * gauge_dev->fg_cust_data->r_fg_value;
if (fg_iavg_reg_ht < 0) {
sign_bit_ht = 1;
fg_iavg_reg_ht = 0x1fffffff - fg_iavg_reg_ht + 1;
} else
sign_bit_ht = 0;
do_div(fg_iavg_reg_ht, UNIT_FG_IAVG);
do_div(fg_iavg_reg_ht, gauge_dev->fg_cust_data->car_tune_value);
if (sign_bit_ht == 1)
fg_iavg_reg_ht = fg_iavg_reg_ht - (fg_iavg_reg_ht * 2);
fg_iavg_reg_lt = iavg_lt * 1000 * 1000 * gauge_dev->fg_cust_data->r_fg_value;
if (fg_iavg_reg_lt < 0) {
sign_bit_lt = 1;
fg_iavg_reg_lt = 0x1fffffff - fg_iavg_reg_lt + 1;
} else
sign_bit_lt = 0;
do_div(fg_iavg_reg_lt, UNIT_FG_IAVG);
do_div(fg_iavg_reg_lt, gauge_dev->fg_cust_data->car_tune_value);
if (sign_bit_lt == 1)
fg_iavg_reg_lt = fg_iavg_reg_lt - (fg_iavg_reg_lt * 2);
fg_iavg_lth_28_16 = (fg_iavg_reg_lt & 0x1fff0000) >> 16;
fg_iavg_lth_15_00 = fg_iavg_reg_lt & 0xffff;
fg_iavg_hth_28_16 = (fg_iavg_reg_ht & 0x1fff0000) >> 16;
fg_iavg_hth_15_00 = fg_iavg_reg_ht & 0xffff;
pmic_enable_interrupt(FG_IAVG_H_NO, 0, "GM30");
pmic_enable_interrupt(FG_IAVG_L_NO, 0, "GM30");
pmic_set_register_value(PMIC_FG_IAVG_LTH_28_16, fg_iavg_lth_28_16);
pmic_set_register_value(PMIC_FG_IAVG_LTH_15_00, fg_iavg_lth_15_00);
pmic_set_register_value(PMIC_FG_IAVG_HTH_28_16, fg_iavg_hth_28_16);
pmic_set_register_value(PMIC_FG_IAVG_HTH_15_00, fg_iavg_hth_15_00);
pmic_enable_interrupt(FG_IAVG_H_NO, 1, "GM30");
if (iavg_lt > 0)
pmic_enable_interrupt(FG_IAVG_L_NO, 1, "GM30");
else
pmic_enable_interrupt(FG_IAVG_L_NO, 0, "GM30");
bm_debug("[FG_IAVG_INT][fg_set_iavg_intr] iavg %d iavg_gap %d iavg_ht %lld iavg_lt %lld fg_iavg_reg_ht %lld fg_iavg_reg_lt %lld\n",
iavg, iavg_gap, iavg_ht, iavg_lt, fg_iavg_reg_ht, fg_iavg_reg_lt);
bm_debug("[FG_IAVG_INT][fg_set_iavg_intr] lt_28_16 0x%x lt_15_00 0x%x ht_28_16 0x%x ht_15_00 0x%x\n",
fg_iavg_lth_28_16, fg_iavg_lth_15_00, fg_iavg_hth_28_16, fg_iavg_hth_15_00);
pmic_set_register_value(PMIC_RG_INT_EN_FG_IAVG_H, 1);
if (iavg_lt > 0)
pmic_set_register_value(PMIC_RG_INT_EN_FG_IAVG_L, 1);
else
pmic_set_register_value(PMIC_RG_INT_EN_FG_IAVG_L, 0);
return 0;
}
void read_fg_hw_info_ncar(struct gauge_device *gauge_dev)
{
unsigned int uvalue32_NCAR = 0;
unsigned int uvalue32_NCAR_MSB = 0;
unsigned int temp_NCAR_15_0 = 0;
unsigned int temp_NCAR_31_16 = 0;
signed int dvalue_NCAR = 0;
long long Temp_Value = 0;
temp_NCAR_15_0 = pmic_get_register_value(PMIC_FG_NCAR_15_00);
temp_NCAR_31_16 = pmic_get_register_value(PMIC_FG_NCAR_31_16);
uvalue32_NCAR = temp_NCAR_15_0 >> 11;
uvalue32_NCAR |= ((temp_NCAR_31_16) & 0x7FFF) << 5;
uvalue32_NCAR_MSB = (temp_NCAR_31_16 & 0x8000) >> 15;
/*calculate the real world data */
dvalue_NCAR = (signed int) uvalue32_NCAR;
if (uvalue32_NCAR == 0) {
Temp_Value = 0;
} else if (uvalue32_NCAR == 0xfffff) {
Temp_Value = 0;
} else if (uvalue32_NCAR_MSB == 0x1) {
/* dis-charging */
Temp_Value = (long long) (dvalue_NCAR - 0xfffff); /* keep negative value */
Temp_Value = Temp_Value - (Temp_Value * 2);
} else {
/*charging */
Temp_Value = (long long) dvalue_NCAR;
}
/* 0.1 mAh */
#if defined(__LP64__) || defined(_LP64)
Temp_Value = Temp_Value * UNIT_FGCAR / 1000;
#else
Temp_Value = div_s64(Temp_Value * UNIT_FGCAR, 1000);
#endif
do_div(Temp_Value, 10);
Temp_Value = Temp_Value + 5;
do_div(Temp_Value, 10);
if (uvalue32_NCAR_MSB == 0x1)
dvalue_NCAR = (signed int) (Temp_Value - (Temp_Value * 2)); /* keep negative value */
else
dvalue_NCAR = (signed int) Temp_Value;
/*Auto adjust value*/
if (gauge_dev->fg_cust_data->r_fg_value != 100)
dvalue_NCAR = (dvalue_NCAR * 100) / gauge_dev->fg_cust_data->r_fg_value;
gauge_dev->fg_hw_info.ncar = ((dvalue_NCAR * gauge_dev->fg_cust_data->car_tune_value) / 1000);
}
static int gspare0_reg, gspare3_reg;
static int rtc_invalid;
static int is_bat_plugout;
static int bat_plug_out_time;
static void fgauge_read_RTC_boot_status(void)
{
int hw_id = pmic_get_register_value(PMIC_HWCID);
unsigned int spare0_reg = 0;
unsigned int spare0_reg_b13 = 0;
int spare3_reg = 0;
int spare3_reg_valid = 0;
spare0_reg = hal_rtc_get_spare_register(RTC_FG_INIT);
spare3_reg = get_rtc_spare_fg_value();
gspare0_reg = spare0_reg;
gspare3_reg = spare3_reg;
spare3_reg_valid = (spare3_reg & 0x80) >> 7;
if (spare3_reg_valid == 0)
rtc_invalid = 1;
else
rtc_invalid = 0;
if (rtc_invalid == 0) {
spare0_reg_b13 = (spare0_reg & 0x20) >> 5;
if ((hw_id & 0xff00) == 0x3500)
is_bat_plugout = spare0_reg_b13;
else
is_bat_plugout = !spare0_reg_b13;
bat_plug_out_time = spare0_reg & 0x1f; /*[12:8], 5 bits*/
} else {
is_bat_plugout = 1;
bat_plug_out_time = 31; /*[12:8], 5 bits*/
}
bm_err(
"[fgauge_read_RTC_boot_status] rtc_invalid %d plugout %d plugout_time %d spare3 0x%x spare0 0x%x hw_id 0x%x\n",
rtc_invalid, is_bat_plugout, bat_plug_out_time,
spare3_reg, spare0_reg, hw_id);
}
static int fgauge_initial(struct gauge_device *gauge_dev)
{
fgauge_read_RTC_boot_status();
pmic_set_register_value(PMIC_AUXADC_NAG_PRD, 10);
pmic_set_register_value(PMIC_AUXADC_LBAT2_DET_PRD_15_0, 5000);
#if defined(CONFIG_MTK_DISABLE_GAUGE)
#else
pmic_set_register_value(PMIC_FG_SON_SLP_EN, 0);
#endif
return 0;
}
static int fgauge_read_current(struct gauge_device *gauge_dev, bool *fg_is_charging, int *data)
{
unsigned short uvalue16 = 0;
signed int dvalue = 0;
int m = 0;
long long Temp_Value = 0;
unsigned int ret = 0;
/* HW Init
*(1) i2c_write (0x60, 0xC8, 0x01); // Enable VA2
*(2) i2c_write (0x61, 0x15, 0x00); // Enable FGADC clock for digital
*(3) i2c_write (0x61, 0x69, 0x28); // Set current mode, auto-calibration mode and 32KHz clock source
*(4) i2c_write (0x61, 0x69, 0x29); // Enable FGADC
*/
/* Read HW Raw Data
*(1) Set READ command
*/
ret = pmic_config_interface(MT6356_FGADC_CON1, 0x0001, 0x000F, 0x0);
/*(2) Keep i2c read when status = 1 (0x06) */
m = 0;
while (fg_get_data_ready_status() == 0) {
m++;
if (m > 1000) {
bm_err(
"[fgauge_read_current] fg_get_data_ready_status timeout 1 !\r\n");
break;
}
}
/*
*(3) Read FG_CURRENT_OUT[15:08]
*(4) Read FG_CURRENT_OUT[07:00]
*/
uvalue16 = pmic_get_register_value(PMIC_FG_CURRENT_OUT); /*mt6325_upmu_get_fg_current_out(); */
bm_trace("[fgauge_read_current] : FG_CURRENT = %x\r\n", uvalue16);
/*
*(5) (Read other data)
*(6) Clear status to 0
*/
ret = pmic_config_interface(MT6356_FGADC_CON1, 0x0008, 0x000F, 0x0);
/*
*(7) Keep i2c read when status = 0 (0x08)
* while ( fg_get_sw_clear_status() != 0 )
*/
m = 0;
while (fg_get_data_ready_status() != 0) {
m++;
if (m > 1000) {
bm_err(
"[fgauge_read_current] fg_get_data_ready_status timeout 2 !\r\n");
break;
}
}
/*(8) Recover original settings */
ret = pmic_config_interface(MT6356_FGADC_CON1, 0x0000, 0x000F, 0x0);
/*calculate the real world data */
dvalue = (unsigned int) uvalue16;
if (dvalue == 0) {
Temp_Value = (long long) dvalue;
*fg_is_charging = false;
} else if (dvalue > 32767) {
/* > 0x8000 */
Temp_Value = (long long) (dvalue - 65535);
Temp_Value = Temp_Value - (Temp_Value * 2);
*fg_is_charging = false;
} else {
Temp_Value = (long long) dvalue;
*fg_is_charging = true;
}
Temp_Value = Temp_Value * UNIT_FGCURRENT;
do_div(Temp_Value, 100000);
dvalue = (unsigned int) Temp_Value;
if (*fg_is_charging == true)
bm_trace("[fgauge_read_current] current(charging) = %d mA\r\n",
dvalue);
else
bm_trace("[fgauge_read_current] current(discharging) = %d mA\r\n",
dvalue);
/* Auto adjust value */
if (gauge_dev->fg_cust_data->r_fg_value != 100) {
bm_trace(
"[fgauge_read_current] Auto adjust value due to the Rfg is %d\n Ori current=%d, ",
gauge_dev->fg_cust_data->r_fg_value, dvalue);
dvalue = (dvalue * 100) / gauge_dev->fg_cust_data->r_fg_value;
bm_trace("[fgauge_read_current] new current=%d\n", dvalue);
}
bm_trace("[fgauge_read_current] ori current=%d\n", dvalue);
dvalue = ((dvalue * gauge_dev->fg_cust_data->car_tune_value) / 1000);
bm_debug("[fgauge_read_current] final current=%d (ratio=%d)\n",
dvalue, gauge_dev->fg_cust_data->car_tune_value);
*data = dvalue;
return 0;
}
static int fgauge_get_average_current(struct gauge_device *gauge_dev, int *data, bool *valid)
{
long long fg_iavg_reg = 0;
long long fg_iavg_reg_tmp = 0;
long long fg_iavg_ma = 0;
int fg_iavg_reg_27_16 = 0;
int fg_iavg_reg_15_00 = 0;
int sign_bit = 0;
int is_bat_charging;
int ret, m;
/* Set Read Latchdata */
ret = pmic_config_interface(MT6356_FGADC_CON1, 0x0001, 0x000F, 0x0);
m = 0;
while (fg_get_data_ready_status() == 0) {
m++;
if (m > 1000) {
bm_err(
"[fg_get_current_iavg] fg_get_data_ready_status timeout 1 !\r\n");
break;
}
}
if (pmic_get_register_value(PMIC_FG_IAVG_VLD) == 1) {
fg_iavg_reg_27_16 = pmic_get_register_value(PMIC_FG_IAVG_27_16);
fg_iavg_reg_15_00 = pmic_get_register_value(PMIC_FG_IAVG_15_00);
fg_iavg_reg = fg_iavg_reg_27_16;
fg_iavg_reg = ((long long)fg_iavg_reg << 16) + fg_iavg_reg_15_00;
sign_bit = (fg_iavg_reg_27_16 & 0x800) >> 11;
if (sign_bit) {
fg_iavg_reg_tmp = fg_iavg_reg;
/*fg_iavg_reg = fg_iavg_reg_tmp - 0xfffffff - 1;*/
fg_iavg_reg = 0xfffffff - fg_iavg_reg_tmp + 1;
}
if (sign_bit == 1)
is_bat_charging = 0; /* discharge */
else
is_bat_charging = 1; /* charge */
fg_iavg_ma = fg_iavg_reg * UNIT_FG_IAVG * gauge_dev->fg_cust_data->car_tune_value;
bm_trace("[fg_get_current_iavg] fg_iavg_ma %lld fg_iavg_reg %lld fg_iavg_reg_tmp %lld\n",
fg_iavg_ma, fg_iavg_reg, fg_iavg_reg_tmp);
do_div(fg_iavg_ma, 1000000);
bm_trace("[fg_get_current_iavg] fg_iavg_ma %lld\n", fg_iavg_ma);
do_div(fg_iavg_ma, gauge_dev->fg_cust_data->r_fg_value);
bm_trace("[fg_get_current_iavg] fg_iavg_ma %lld\n", fg_iavg_ma);
if (sign_bit == 1)
fg_iavg_ma = 0 - fg_iavg_ma;
bm_trace(
"[fg_get_current_iavg] fg_iavg_ma %lld fg_iavg_reg %lld r_fg_value %d 27_16 0x%x 15_00 0x%x\n",
fg_iavg_ma, fg_iavg_reg, gauge_dev->fg_cust_data->r_fg_value,
fg_iavg_reg_27_16, fg_iavg_reg_15_00);
gauge_dev->fg_hw_info.current_avg = fg_iavg_ma;
gauge_dev->fg_hw_info.current_avg_sign = sign_bit;
bm_trace("[fg_get_current_iavg] PMIC_FG_IAVG_VLD == 1\n");
} else {
read_fg_hw_info_current_1(gauge_dev);
gauge_dev->fg_hw_info.current_avg = gauge_dev->fg_hw_info.current_1;
if (gauge_dev->fg_hw_info.current_1 < 0)
gauge_dev->fg_hw_info.current_avg_sign = 1;
bm_debug("[fg_get_current_iavg] PMIC_FG_IAVG_VLD != 1, avg %d, current_1 %d\n",
gauge_dev->fg_hw_info.current_avg, gauge_dev->fg_hw_info.current_1);
}
/* recover read */
ret = pmic_config_interface(MT6356_FGADC_CON1, 0x0008, 0x000F, 0x0);
m = 0;
while (fg_get_data_ready_status() != 0) {
m++;
if (m > 1000) {
bm_err(
"[fg_get_current_iavg] fg_get_data_ready_status timeout 2 !\r\n");
break;
}
}
ret = pmic_config_interface(MT6356_FGADC_CON1, 0x0000, 0x000F, 0x0);
*data = gauge_dev->fg_hw_info.current_avg;
*valid = pmic_get_register_value(PMIC_FG_IAVG_VLD);
bm_debug("[fg_get_current_iavg] %d %d\n", *data, *valid);
return 0;
}
static int fgauge_get_coulomb(struct gauge_device *gauge_dev, int *data)
{
#if defined(SOC_BY_3RD_FG)
*data = bq27531_get_remaincap();
return 0;
#else
unsigned int uvalue32_CAR = 0;
unsigned int uvalue32_CAR_MSB = 0;
unsigned int temp_CAR_15_0 = 0;
unsigned int temp_CAR_31_16 = 0;
signed int dvalue_CAR = 0;
int m = 0;
long long Temp_Value = 0;
unsigned int ret = 0;
int reset = 0;
/*
* HW Init
*(1) i2c_write (0x60, 0xC8, 0x01); // Enable VA2
*(2) i2c_write (0x61, 0x15, 0x00); // Enable FGADC clock for digital
*(3) i2c_write (0x61, 0x69, 0x28); // Set current mode, auto-calibration mode and 32KHz clock source
*(4) i2c_write (0x61, 0x69, 0x29); // Enable FGADC
*
* Read HW Raw Data
*(1) Set READ command
*/
/*fg_dump_register();*/
if (reset == 0)
ret = pmic_config_interface(MT6356_FGADC_CON1, 0x0001, 0x1F05, 0x0);
else {
ret = pmic_config_interface(MT6356_FGADC_CON1, 0x0705, 0x1F05, 0x0); /*weiching0803*/
bm_err("[fgauge_read_columb_internal] reset fgadc 0x0705\n");
}
/*(2) Keep i2c read when status = 1 (0x06) */
m = 0;
while (fg_get_data_ready_status() == 0) {
m++;
if (m > 1000) {
bm_err(
"[fgauge_read_columb_internal] fg_get_data_ready_status timeout 1 !\r\n");
break;
}
}
/*
*(3) Read FG_CURRENT_OUT[28:14]
*(4) Read FG_CURRENT_OUT[31]
*/
temp_CAR_15_0 = pmic_get_register_value(PMIC_FG_CAR_15_00);
temp_CAR_31_16 = pmic_get_register_value(PMIC_FG_CAR_31_16);
uvalue32_CAR = temp_CAR_15_0 >> 11;
uvalue32_CAR |= ((temp_CAR_31_16) & 0x7FFF) << 5;
uvalue32_CAR_MSB = (temp_CAR_31_16 & 0x8000) >> 15;
bm_trace("[fgauge_read_columb_internal] temp_CAR_15_0 = 0x%x temp_CAR_31_16 = 0x%x\n",
temp_CAR_15_0, temp_CAR_31_16);
bm_trace("[fgauge_read_columb_internal] FG_CAR = 0x%x\r\n",
uvalue32_CAR);
bm_trace(
"[fgauge_read_columb_internal] uvalue32_CAR_MSB = 0x%x\r\n",
uvalue32_CAR_MSB);
/*
*(5) (Read other data)
*(6) Clear status to 0
*/
ret = pmic_config_interface(MT6356_FGADC_CON1, 0x0008, 0x000F, 0x0);
/*
*(7) Keep i2c read when status = 0 (0x08)
* while ( fg_get_sw_clear_status() != 0 )
*/
m = 0;
while (fg_get_data_ready_status() != 0) {
m++;
if (m > 1000) {
bm_err(
"[fgauge_read_columb_internal] fg_get_data_ready_status timeout 2 !\r\n");
break;
}
}
/*(8) Recover original settings */
ret = pmic_config_interface(MT6356_FGADC_CON1, 0x0000, 0x000F, 0x0);
/*calculate the real world data */
dvalue_CAR = (signed int) uvalue32_CAR;
if (uvalue32_CAR == 0) {
Temp_Value = 0;
} else if (uvalue32_CAR == 0xfffff) {
Temp_Value = 0;
} else if (uvalue32_CAR_MSB == 0x1) {
/* dis-charging */
Temp_Value = (long long) (dvalue_CAR - 0xfffff); /* keep negative value */
Temp_Value = Temp_Value - (Temp_Value * 2);
} else {
/*charging */
Temp_Value = (long long) dvalue_CAR;
}
/* 0.1 mAh */
#if defined(__LP64__) || defined(_LP64)
Temp_Value = Temp_Value * UNIT_FGCAR / 1000;
#else
Temp_Value = div_s64(Temp_Value * UNIT_FGCAR, 1000);
#endif
do_div(Temp_Value, 10);
Temp_Value = Temp_Value + 5;
do_div(Temp_Value, 10);
if (uvalue32_CAR_MSB == 0x1)
dvalue_CAR = (signed int) (Temp_Value - (Temp_Value * 2)); /* keep negative value */
else
dvalue_CAR = (signed int) Temp_Value;
bm_trace("[fgauge_read_columb_internal] dvalue_CAR = %d\r\n",
dvalue_CAR);
/*#if (OSR_SELECT_7 == 1) */
/*Auto adjust value*/
if (gauge_dev->fg_cust_data->r_fg_value != 100) {
bm_trace(
"[fgauge_read_columb_internal] Auto adjust value deu to the Rfg is %d\n Ori CAR=%d, ",
gauge_dev->fg_cust_data->r_fg_value, dvalue_CAR);
dvalue_CAR = (dvalue_CAR * 100) / gauge_dev->fg_cust_data->r_fg_value;
bm_trace("[fgauge_read_columb_internal] new CAR=%d\n",
dvalue_CAR);
}
dvalue_CAR = ((dvalue_CAR * gauge_dev->fg_cust_data->car_tune_value) / 1000);
bm_debug("[fgauge_read_columb_internal] CAR=%d r_fg_value=%d car_tune_value=%d\n",
dvalue_CAR, gauge_dev->fg_cust_data->r_fg_value, gauge_dev->fg_cust_data->car_tune_value);
*data = dvalue_CAR;
return 0;
#endif
}
static int fgauge_reset_hw(struct gauge_device *gauge_dev)
{
volatile unsigned int val_car = 1;
unsigned int val_car_temp = 1;
unsigned int ret = 0;
bm_trace("[fgauge_hw_reset] : Start \r\n");
while (val_car != 0x0) {
ret = pmic_config_interface(MT6356_FGADC_CON1, 0x0600, 0x1F00, 0x0);
bm_err("[fgauge_hw_reset] reset fgadc 0x0600\n");
fgauge_get_coulomb(gauge_dev, &val_car_temp);
val_car = val_car_temp;
}
bm_trace("[fgauge_hw_reset] : End \r\n");
return 0;
}
static int read_hw_ocv_6356_plug_in(void)
{
signed int adc_rdy = 0;
signed int adc_result_reg = 0;
signed int adc_result = 0;
#if defined(SWCHR_POWER_PATH) || defined(CONFIG_MTK_SWCHR_SUPPORT)
adc_rdy = pmic_get_register_value(PMIC_AUXADC_ADC_RDY_BAT_PLUGIN_SWCHR);
adc_result_reg = pmic_get_register_value(PMIC_AUXADC_ADC_OUT_BAT_PLUGIN_SWCHR);
adc_result = REG_to_MV_value(adc_result_reg);
bm_debug("[oam] read_hw_ocv_6356_plug_in (swchr) : adc_result_reg=%d, adc_result=%d, start_sel=%d, rdy=%d\n",
adc_result_reg, adc_result, pmic_get_register_value(PMIC_RG_STRUP_AUXADC_START_SEL), adc_rdy);
#else
adc_rdy = pmic_get_register_value(PMIC_AUXADC_ADC_RDY_BAT_PLUGIN_PCHR);
adc_result_reg = pmic_get_register_value(PMIC_AUXADC_ADC_OUT_BAT_PLUGIN_PCHR);
adc_result = REG_to_MV_value(adc_result_reg);
bm_debug("[oam] read_hw_ocv_6356_plug_in (pchr) : adc_result_reg=%d, adc_result=%d, start_sel=%d, rdy=%d\n",
adc_result_reg, adc_result, pmic_get_register_value(PMIC_RG_STRUP_AUXADC_START_SEL), adc_rdy);
#endif
if (adc_rdy == 1) {
pmic_set_register_value(PMIC_AUXADC_ADC_RDY_BAT_PLUGIN_CLR, 1);
mdelay(1);
pmic_set_register_value(PMIC_AUXADC_ADC_RDY_BAT_PLUGIN_CLR, 0);
}
adc_result += g_hw_ocv_tune_value;
return adc_result;
}
static int read_hw_ocv_6356_power_on(void)
{
signed int adc_result_rdy = 0;