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nest-open-source / manifest_repos / kernel_device_modules-5.15 / refs/heads/main / . / drivers / power / supply / mt6375-gauge.c
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// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (c) 2021 MediaTek Inc.
*
* Author: ChiYuan Huang <cy_huang@richtek.com>
*/
#include <linux/cdev.h>
#include <linux/iio/consumer.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
#include <linux/irqdomain.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/mutex.h>
#include <linux/netlink.h>
#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/pm.h>
#include <linux/power_supply.h>
#include <linux/regmap.h>
#include <linux/sched/clock.h>
#include <net/sock.h>
#include "mtk_battery.h"
#include "mtk_gauge.h"
#if IS_ENABLED(CONFIG_MTK_AEE_FEATURE)
#include <mt-plat/aee.h>
#endif
#define RG_TM_PASCODE1 0x107
#define RG_ADC_CONFG1 0x1A4
#define VBAT_MON_EN_MASK BIT(5)
#define RG_VBAT_MON_RPT 0x19C
#define RG_BM_TOP_INT_CON0_SET 0x225
#define RG_BM_TOP_INT_CON0_CLR 0x226
#define RG_BM_TOP_INT_MASK_CON0 0x22D
#define RG_BM_TOP_INT_MASK_CON0_SET 0x22E
#define RG_BM_TOP_INT_MASK_CON0_CLR 0x22F
#define RG_BM_TOP_INT_STATUS0 0x236
#define NUM_IRQ_REG 3
#define RG_FGADC_ANA_ELR4 0x263
#define FG_GAINERR_SEL_MASK GENMASK(1, 0)
#define RG_FGADC_CON0 0x26D
#define FG_ZCV_DET_EN_MASK BIT(2)
#define FG_ZCV_DET_EN_SHIFT 2
#define RG_FGADC_CON2 0x26F
#define FG_LATCHDATA_ST_MASK BIT(7)
#define FG_N_CHARGE_RST_MASK BIT(3)
#define FG_CHARGE_RST_MASK BIT(2)
#define FG_TIME_RST_MASK BIT(1)
#define RG_FGADC_CON3 0x270
#define FG_SW_CLEAR_MASK BIT(3)
#define FG_SW_READ_PRE_MASK BIT(0)
#define RG_FGADC_RST_CON0 0x277
#define FG_RSTB_STATUS_MASK BIT(0)
#define FG_RSTB_STATUS_SHIFT 0
#define RG_FGADC_CAR_CON0 0x278
#define RG_FGADC_CAR_CON1 0x27A
#define RG_FGADC_CARTH_CON0 0x27C
#define RG_FGADC_CARTH_CON1 0x27E
#define RG_FGADC_CARTH_CON2 0x280
#define RG_FGADC_CARTH_CON3 0x282
#define RG_FGADC_NCAR_CON0 0x284
#define RG_FGADC_NCAR_CON2 0x288
#define FG_N_CHARGE_TH_MASK GENMASK(31, 0)
#define RG_FGADC_IAVG_CON0 0x28C
#define FG_IAVG_15_00_MASK GENMASK(15, 0)
#define RG_FGADC_IAVG_CON1 0x28E
#define FG_IAVG_VLD_MASK BIT(0)
#define RG_FGADC_IAVG_CON2 0x28F
#define FG_IAVG_27_16_MASK GENMASK(11, 0)
#define RG_FGADC_IAVG_CON3 0x291
#define RG_FGADC_IAVG_CON5 0x295
#define RG_FGADC_NTER_CON0 0x299
#define FGADC_NTER_MASK GENMASK(29, 0)
#define RG_FGADC_ZCV_CON0 0x2AE
#define FGADC_ZCV_CON0_RSV BIT(7)
#define FG_ZCV_DET_IV_MASK GENMASK(3, 0)
#define FG_ZCV_DET_IV_SHIFT 0
#define RG_FGADC_ZCV_CON2 0x2B0
#define RG_FGADC_ZCVTH_CON0 0x2B6
#define FG_ZCV_CAR_TH_MASK GENMASK(30, 0)
#define RG_FGADC_R_CON0 0x2E5
#define RG_FGADC_CUR_CON0 0x2E7
#define RG_FGADC_CUR_CON3 0x2ED
#define RG_SYSTEM_INFO_CON0 0x2F9
#define HK_TOP_RST_CON0 0x30F
#define RESET_MASK BIT(0)
#define RG_HK_TOP_STRUP_CON1 0x325
#define HK_STRUP_AUXADC_START_SEL_MASK BIT(2)
#define HK_STRUP_AUXADC_START_SEL_SHIFT 2
#define HK_TOP_WKEY 0x328
#define RG_BATON_ANA_MON0 0x388
#define AD_BATON_UNDET_MASK BIT(1)
#define RG_AUXADC_ADC_OUT_PWRON_PCHR 0x40C
#define AUXADC_ADC_RDY_PWRON_PCHR_MASK BIT(15)
#define AUXADC_ADC_OUT_PWRON_PCHR_MASK GENMASK(14, 0)
#define RG_AUXADC_ADC_OUT_WAKEUP_PCHR 0x40E
#define AUXADC_ADC_RDY_WAKEUP_PCHR_MASK BIT(15)
#define AUXADC_ADC_OUT_WAKEUP_PCHR_MASK GENMASK(14, 0)
#define RG_AUXADC_ADC_OUT_FGADC_PCHR 0x412
#define AUXADC_ADC_OUT_FGADC_PCHR_MASK GENMASK(14, 0)
#define RG_AUXADC_ADC_OUT_BAT_PLUGIN_PCHR 0x414
#define AUXADC_ADC_RDY_BAT_PLUGIN_PCHR_MASK BIT(15)
#define AUXADC_ADC_OUT_BAT_PLUGIN_PCHR_MASK GENMASK(14, 0)
#define RG_AUXADC_ADC_OUT_NAG 0x418
#define AUXADC_ADC_OUT_NAG_MASK GENMASK(14, 0)
#define RG_AUXADC_CON42 0x467
#define AUXADC_ADC_RDY_PWRON_CLR_MASK BIT(3)
#define AUXADC_ADC_RDY_BAT_PLUGIN_CLR_MASK BIT(2)
#define AUXADC_ADC_RDY_WAKEUP_CLR_MASK BIT(0)
#define AUXADC_EFUSE_GAIN_TRIM 0x46E
#define AUXADC_EFUSE_OFFSET_TRIM 0x470
#define RG_AUXADC_LBAT2_0 0x4B9
#define AUXADC_LBAT2_EN_MASK BIT(0)
#define RG_AUXADC_LBAT2_1 0x4BA
#define AUXADC_LBAT2_DEBT_MIN_SEL_MASK GENMASK(5, 4)
#define AUXADC_LBAT2_DEBT_MIN_SEL_SHIFT 4
#define AUXADC_LBAT2_DEBT_MAX_SEL_MASK GENMASK(3, 2)
#define AUXADC_LBAT2_DEBT_MAX_SEL_SHIFT 2
#define AUXADC_LBAT2_DET_PRD_SEL_MASK GENMASK(1, 0)
#define AUXADC_LBAT2_DET_PRD_SEL_SHIFT 0
#define RG_AUXADC_LBAT2_2 0x4BB
#define AUXADC_LBAT2_DET_MAX_MASK BIT(1)
#define AUXADC_LBAT2_DET_MAX_SHIFT 1
#define AUXADC_LBAT2_IRQ_EN_MAX_MASK BIT(0)
#define AUXADC_LBAT2_IRQ_EN_MAX_SHIFT 0
#define RG_AUXADC_LBAT2_3 0x4BC
#define AUXADC_LBAT2_VOLT_MAX_MASK GENMASK(11, 0)
#define RG_AUXADC_LBAT2_5 0x4BE
#define AUXADC_LBAT2_DET_MIN_MASK BIT(1)
#define AUXADC_LBAT2_DET_MIN_SHIFT 1
#define AUXADC_LBAT2_IRQ_EN_MIN_MASK BIT(0)
#define AUXADC_LBAT2_IRQ_EN_MIN_SHIFT 0
#define RG_AUXADC_LBAT2_6 0x4BF
#define AUXADC_LBAT2_VOLT_MIN_MASK GENMASK(11, 0)
#define RG_AUXADC_BAT_TEMP_0 0x4C5
#define AUXADC_BAT_TEMP_EN_MASK BIT(0)
#define RG_AUXADC_BAT_TEMP_1 0x4C6
#define AUXADC_BAT_TEMP_FROZE_EN_MASK BIT(0)
#define RG_AUXADC_BAT_TEMP_2 0x4C7
#define AUXADC_BAT_TEMP_DEBT_MIN_SEL_MASK GENMASK(5, 4)
#define AUXADC_BAT_TEMP_DEBT_MIN_SEL_SHIFT 4
#define AUXADC_BAT_TEMP_DEBT_MAX_SEL_MASK GENMASK(3, 2)
#define AUXADC_BAT_TEMP_DEBT_MAX_SEL_SHIFT 2
#define AUXADC_BAT_TEMP_DET_PRD_SEL_MASK GENMASK(1, 0)
#define AUXADC_BAT_TEMP_DET_PRD_SEL_SHIFT 0
#define RG_AUXADC_BAT_TEMP_3 0x4C8
#define AUXADC_BAT_TEMP_DET_MAX_MASK BIT(1)
#define AUXADC_BAT_TEMP_IRQ_EN_MAX_MASK BIT(0)
#define RG_AUXADC_BAT_TEMP_4 0x4C9
#define AUXADC_BAT_TEMP_VOLT_MAX_MASK GENMASK(11, 0)
#define RG_AUXADC_BAT_TEMP_6 0x4CB
#define AUXADC_BAT_TEMP_DET_MIN_MASK BIT(1)
#define AUXADC_BAT_TEMP_IRQ_EN_MIN_MASK BIT(0)
#define RG_AUXADC_BAT_TEMP_7 0x4CC
#define AUXADC_BAT_TEMP_VOLT_MIN_MASK GENMASK(11, 0)
#define RG_AUXADC_NAG_0 0x4D2
#define AUXADC_NAG_IRQ_EN_MASK BIT(5)
#define AUXADC_NAG_PRD_MASK GENMASK(4, 3)
#define AUXADC_NAG_PRD_SHIFT 3
#define AUXADC_NAG_VBAT1_SEL_MASK BIT(2)
#define AUXADC_NAG_VBAT1_SEL_SHIFT 2
#define AUXADC_NAG_EN_MASK BIT(0)
#define RG_AUXADC_NAG_1 0x4D3
#define AUXADC_NAG_ZCV_MASK GENMASK(14, 0)
#define RG_AUXADC_NAG_3 0x4D5
#define AUXADC_NAG_C_DLTV_TH_MASK GENMASK(26, 0)
#define RG_AUXADC_NAG_7 0x4D9
#define AUXADC_NAG_CNT_MASK GENMASK(25, 0)
#define RG_AUXADC_NAG_11 0x4DD
#define RG_AUXADC_NAG_13 0x4DF
#define AUXADC_NAG_C_DLTV_MASK GENMASK(26, 0)
#define AUXADC_EFUSE_GAIN_ERR 0X579
#define ADC_CONV_TIME_US 2200
#define ADC_VBAT_SCALE 1250
#define ADC_FROM_VBAT_RAW(raw) ((raw) * ADC_VBAT_SCALE / 1000)
#define HTOL_THRESHOLD_MAX 20
#define HTOL_THRESHOLD_MIN 5
#define HTOL_CALI_MAX 120
/* mt6359 610.352 uA */
#define UNIT_FGCURRENT 610352
/* CHARGE_LSB 0.085 uAh*/
#define UNIT_CHARGE 85
/* AUXADC */
#define R_VAL_TEMP_2 15
#define R_VAL_TEMP_3 40
#define UNIT_TIME 50
#define UNIT_FG_IAVG 305176
/* IAVG LSB: 305.176 uA */
/* 5mm ohm */
#define UNIT_FGCAR_ZCV 85
/* CHARGE_LSB = 0.085 uAh */
#define VOLTAGE_FULL_RANGES 1840
#define ADC_PRECISE 32768 /* 15 bits */
#define CAR_TO_REG_SHIFT 5
/*coulomb interrupt lsb might be different with coulomb lsb */
#define CAR_TO_REG_FACTOR 0x2E14
/* 1000 * 1000 / CHARGE_LSB */
#define UNIT_FGCAR 174080
/* CHARGE_LSB 0.085 * 2^11 */
enum {
CHAN_BAT_VOLT = 0,
CHAN_BAT_TEMP,
CHAN_PTIM_BAT_VOLT,
CHAN_PTIM_R,
CHAN_VREF,
CHAN_MAX
};
struct mt6375_priv {
struct mtk_gauge gauge;
struct device *dev;
struct regmap *regmap;
struct irq_domain *domain;
struct irq_chip irq_chip;
struct mutex irq_lock;
int irq;
u8 unmask_buf[NUM_IRQ_REG];
int default_r_fg;
u16 gain_err;
u16 efuse_gain_err;
int offset_trim;
int unit_fgcurrent;
int unit_charge;
int unit_fg_iavg;
int unit_fgcar_zcv;
};
/************ bat_cali *******************/
#define BAT_CALI_DEVNAME "MT_pmic_adc_cali"
/* add for meta tool----------------------------------------- */
#define Get_META_BAT_VOL _IOW('k', 10, int)
#define Get_META_BAT_SOC _IOW('k', 11, int)
#define Get_META_BAT_CAR_TUNE_VALUE _IOW('k', 12, int)
#define Set_META_BAT_CAR_TUNE_VALUE _IOW('k', 13, int)
#define Set_BAT_DISABLE_NAFG _IOW('k', 14, int)
#define Set_CARTUNE_TO_KERNEL _IOW('k', 15, int)
static struct class *bat_cali_class;
static int bat_cali_major;
static dev_t bat_cali_devno;
static struct cdev *bat_cali_cdev;
static void gauge_irq_lock(struct irq_data *data)
{
struct mt6375_priv *priv = irq_data_get_irq_chip_data(data);
mutex_lock(&priv->irq_lock);
}
static void gauge_irq_sync_unlock(struct irq_data *data)
{
struct mt6375_priv *priv = irq_data_get_irq_chip_data(data);
int idx = data->hwirq / 8, bits = BIT(data->hwirq % 8), ret;
unsigned int reg;
if (priv->unmask_buf[idx] & bits)
reg = RG_BM_TOP_INT_CON0_SET + idx * 3;
else
reg = RG_BM_TOP_INT_CON0_CLR + idx * 3;
ret = regmap_write(priv->regmap, reg, bits);
if (ret)
dev_err(priv->dev, "Failed to set/clr irq con %d\n", data->hwirq);
mutex_unlock(&priv->irq_lock);
}
static void gauge_irq_disable(struct irq_data *data)
{
struct mt6375_priv *priv = irq_data_get_irq_chip_data(data);
priv->unmask_buf[data->hwirq / 8] &= ~BIT(data->hwirq % 8);
}
static void gauge_irq_enable(struct irq_data *data)
{
struct mt6375_priv *priv = irq_data_get_irq_chip_data(data);
priv->unmask_buf[data->hwirq / 8] |= BIT(data->hwirq % 8);
}
static int gauge_irq_map(struct irq_domain *h, unsigned int virq, irq_hw_number_t hw)
{
struct mt6375_priv *priv = h->host_data;
irq_set_chip_data(virq, priv);
irq_set_chip(virq, &priv->irq_chip);
irq_set_nested_thread(virq, 1);
irq_set_parent(virq, priv->irq);
irq_set_noprobe(virq);
return 0;
}
static const struct irq_domain_ops gauge_domain_ops = {
.map = gauge_irq_map,
.xlate = irq_domain_xlate_onetwocell,
};
static irqreturn_t gauge_irq_thread(int irq, void *data)
{
struct mt6375_priv *priv = data;
u8 status_buf[NUM_IRQ_REG], status;
static const u8 no_status[NUM_IRQ_REG];
static const u8 mask[NUM_IRQ_REG] = { 0x9F, 0x1B, 0x0D };
bool handled = false;
int i, j, ret;
ret = regmap_raw_read(priv->regmap, RG_BM_TOP_INT_STATUS0, status_buf, sizeof(status_buf));
if (ret) {
dev_err(priv->dev, "Error reading INT status\n");
return IRQ_HANDLED;
}
if (!memcmp(status_buf, no_status, NUM_IRQ_REG))
return IRQ_HANDLED;
/* mask irqs */
for (i = 0; i < NUM_IRQ_REG; i++) {
ret = regmap_write(priv->regmap,
RG_BM_TOP_INT_MASK_CON0_SET + i * 3,
mask[i]);
if (ret)
dev_err(priv->dev, "Failed to mask irq[%d]\n", i);
}
for (i = 0; i < NUM_IRQ_REG; i++) {
status = status_buf[i] & priv->unmask_buf[i];
if (!status)
continue;
for (j = 0; j < 8; j++) {
if (!(status & BIT(j)))
continue;
handle_nested_irq(irq_find_mapping(priv->domain, i * 8 + j));
handled = true;
}
}
/* after process, unmask irqs */
for (i = 0; i < NUM_IRQ_REG; i++) {
ret = regmap_write(priv->regmap,
RG_BM_TOP_INT_MASK_CON0_CLR + i * 3,
mask[i]);
if (ret)
dev_err(priv->dev, "Failed to unmask irq[%d]\n", i);
}
ret = regmap_raw_write(priv->regmap, RG_BM_TOP_INT_STATUS0, status_buf, sizeof(status_buf));
if (ret)
dev_err(priv->dev, "Error clear INT status\n");
return handled ? IRQ_HANDLED : IRQ_NONE;
}
static int gauge_add_irq_chip(struct mt6375_priv *priv)
{
int i, ret;
for (i = 0; i < NUM_IRQ_REG; i++) {
ret = regmap_write(priv->regmap, RG_BM_TOP_INT_CON0_CLR + i * 3, 0xFF);
if (ret) {
dev_err(priv->dev, "Failed to disable irq con [%d]\n", i);
return ret;
}
ret = regmap_write(priv->regmap, RG_BM_TOP_INT_MASK_CON0 + i * 3, 0);
if (ret) {
dev_err(priv->dev, "Failed to init irq mask [%d]\n", i);
return ret;
}
}
priv->irq_chip.name = dev_name(priv->dev);
priv->irq_chip.irq_bus_lock = gauge_irq_lock;
priv->irq_chip.irq_bus_sync_unlock = gauge_irq_sync_unlock;
priv->irq_chip.irq_disable = gauge_irq_disable;
priv->irq_chip.irq_enable = gauge_irq_enable;
priv->domain = irq_domain_add_linear(priv->dev->of_node, NUM_IRQ_REG * 8,
&gauge_domain_ops, priv);
if (!priv->domain) {
dev_err(priv->dev, "Failed to create IRQ domain\n");
return -ENOMEM;
}
ret = request_threaded_irq(priv->irq, NULL, gauge_irq_thread, IRQF_SHARED | IRQF_ONESHOT,
dev_name(priv->dev), priv);
if (ret) {
dev_err(priv->dev, "Failed to request IRQ %d for %s: %d\n", priv->irq,
dev_name(priv->dev), ret);
goto err_irq;
}
enable_irq_wake(priv->irq);
return 0;
err_irq:
irq_domain_remove(priv->domain);
return ret;
}
static void gauge_del_irq_chip(struct mt6375_priv *priv)
{
unsigned int virq;
int hwirq;
free_irq(priv->irq, priv);
for (hwirq = 0; hwirq < NUM_IRQ_REG * 8; hwirq++) {
virq = irq_find_mapping(priv->domain, hwirq);
if (virq)
irq_dispose_mapping(virq);
}
irq_domain_remove(priv->domain);
}
static int gauge_get_all_auxadc_channels(struct mt6375_priv *priv)
{
struct mtk_gauge *gauge = &priv->gauge;
const char *adc_names[CHAN_MAX] = { "bat_volt", "bat_temp", "ptim_bat_volt",
"ptim_r", "vref" };
struct iio_channel *adc_chan[CHAN_MAX];
int i;
for (i = 0; i < CHAN_MAX; i++) {
adc_chan[i] = devm_iio_channel_get(priv->dev, adc_names[i]);
if (IS_ERR(adc_chan[i]))
return PTR_ERR(adc_chan[i]);
}
/* Filled adc channels into mtk_gauge */
gauge->chan_bat_temp = adc_chan[CHAN_BAT_TEMP];
gauge->chan_bat_voltage = adc_chan[CHAN_BAT_VOLT];
gauge->chan_ptim_bat_voltage = adc_chan[CHAN_PTIM_BAT_VOLT];
gauge->chan_ptim_r = adc_chan[CHAN_PTIM_R];
gauge->chan_bif = adc_chan[CHAN_VREF];
return 0;
}
static int gauge_get_all_interrupts(struct mt6375_priv *priv)
{
struct platform_device *pdev = to_platform_device(priv->dev);
struct mtk_gauge *gauge = &priv->gauge;
const char *irq_names[GAUGE_IRQ_MAX] = {
"COULOMB_H", "COULOMB_L", "VBAT2_H", "VBAT2_L",
"NAFG", "BAT_OUT", "ZCV", "FG_N_CHARGE_L",
"FG_IAVG_H", "FG_IAVG_L", "BAT_TMP_H", "BAT_TMP_L" };
int i, irq_no;
for (i = 0; i < GAUGE_IRQ_MAX; i++) {
irq_no = platform_get_irq_byname(pdev, irq_names[i]);
if (irq_no < 0)
return irq_no;
irq_set_status_flags(irq_no, IRQ_NOAUTOEN);
gauge->irq_no[i] = irq_no;
}
return 0;
}
void __weak mtk_battery_netlink_handler(struct sk_buff *skb)
{
}
static signed int reg_to_mv_value(signed int _reg)
{
long long _reg64 = _reg;
int ret;
#if defined(__LP64__) || defined(_LP64)
_reg64 = (_reg64 * VOLTAGE_FULL_RANGES * R_VAL_TEMP_3) / ADC_PRECISE;
#else
_reg64 = div_s64(_reg64 * VOLTAGE_FULL_RANGES * R_VAL_TEMP_3, ADC_PRECISE);
#endif
ret = _reg64;
bm_debug("[%s] %lld => %d\n",
__func__, _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_RANGES * R_VAL_TEMP_3);
#else
_reg64 = div_s64((_reg64 * ADC_PRECISE), (VOLTAGE_FULL_RANGES * R_VAL_TEMP_3));
#endif
ret = _reg64;
if (ret <= 0) {
bm_err(
"[fg_bat_nafg][%s] mv=%d,%lld => %d,\n",
__func__, _mv, _reg64, ret);
return ret;
}
bm_debug("[%s] mv=%d,%lld => %d,\n", __func__, _mv, _reg64, ret);
return ret;
}
static int mv_to_reg_12_temp_value(signed int _reg)
{
int ret = (_reg * 4096) / (VOLTAGE_FULL_RANGES * R_VAL_TEMP_2);
bm_debug("[%s] %d => %d\n", __func__, _reg, ret);
return ret;
}
static void pre_gauge_update(struct mtk_gauge *gauge)
{
int m = 0;
unsigned int reg_val = 0;
int ret = 0;
if (gauge->gm->disableGM30)
return;
ret = regmap_update_bits(gauge->regmap, RG_FGADC_CON3,
FG_SW_READ_PRE_MASK, FG_SW_READ_PRE_MASK);
if (ret) {
pr_notice("%s error, ret = %d\n", __func__, ret);
return;
}
do {
m++;
if (m > 1000) {
bm_err("[%s] gauge_update_polling timeout 1!\r\n",
__func__);
break;
}
ret = regmap_read(gauge->regmap, RG_FGADC_CON2, &reg_val);
if (ret) {
pr_notice("%s error, ret = %d\n", __func__, ret);
return;
}
} while (!(reg_val & FG_LATCHDATA_ST_MASK));
}
void disable_all_irq(struct mtk_battery *gm)
{
disable_gauge_irq(gm->gauge, COULOMB_H_IRQ);
disable_gauge_irq(gm->gauge, COULOMB_L_IRQ);
disable_gauge_irq(gm->gauge, VBAT_H_IRQ);
disable_gauge_irq(gm->gauge, VBAT_L_IRQ);
disable_gauge_irq(gm->gauge, NAFG_IRQ);
disable_gauge_irq(gm->gauge, BAT_PLUGOUT_IRQ);
disable_gauge_irq(gm->gauge, ZCV_IRQ);
disable_gauge_irq(gm->gauge, FG_N_CHARGE_L_IRQ);
disable_gauge_irq(gm->gauge, FG_IAVG_H_IRQ);
disable_gauge_irq(gm->gauge, FG_IAVG_L_IRQ);
disable_gauge_irq(gm->gauge, BAT_TMP_H_IRQ);
disable_gauge_irq(gm->gauge, BAT_TMP_L_IRQ);
}
static void post_gauge_update(struct mtk_gauge *gauge)
{
int m = 0;
unsigned int regval;
int ret = 0;
ret = regmap_update_bits(gauge->regmap, RG_FGADC_CON3,
FG_SW_CLEAR_MASK | FG_SW_READ_PRE_MASK,
FG_SW_CLEAR_MASK);
if (ret) {
pr_notice("%s error, ret = %d\n", __func__, ret);
return;
}
do {
m++;
if (m > 1000) {
bm_err("[%s] gauge_update_polling timeout 2!\r\n",
__func__);
break;
}
ret = regmap_read(gauge->regmap, RG_FGADC_CON2, &regval);
if (ret) {
pr_notice("%s error, ret = %d\n", __func__, ret);
return;
}
} while (regval & FG_LATCHDATA_ST_MASK);
ret = regmap_update_bits(gauge->regmap, RG_FGADC_CON3,
FG_SW_CLEAR_MASK, 0);
if (ret) {
pr_notice("%s error, ret = %d\n", __func__, ret);
return;
}
}
static int mv_to_reg_12_value(struct mtk_gauge *gauge,
signed int _reg)
{
int ret = (_reg * 4096) / (VOLTAGE_FULL_RANGES * R_VAL_TEMP_3);
bm_debug("[%s] %d => %d\n", __func__, _reg, ret);
return ret;
}
static int reg_to_current(struct mtk_gauge *gauge,
unsigned int regval)
{
struct mt6375_priv *priv = container_of(gauge, struct mt6375_priv, gauge);
unsigned short uvalue16 = 0;
int dvalue, retval;
long long temp_value = 0;
bool is_charging = true;
uvalue16 = (unsigned short) regval;
dvalue = (unsigned int) uvalue16;
if (dvalue == 0) {
temp_value = (long long) dvalue;
is_charging = false;
} else if (dvalue > 32767) {
/* > 0x8000 */
temp_value = (long long) (dvalue - 65535);
temp_value = temp_value - (temp_value * 2);
is_charging = false;
} else {
temp_value = (long long) dvalue;
}
temp_value = temp_value * priv->unit_fgcurrent;
#if defined(__LP64__) || defined(_LP64)
do_div(temp_value, 100000);
#else
temp_value = div_s64(temp_value, 100000);
#endif
retval = (unsigned int) temp_value;
bm_debug("[%s] 0x%x 0x%x 0x%x 0x%x 0x%x %d\n",
__func__,
regval,
uvalue16,
dvalue,
(int)temp_value,
retval,
is_charging);
if (is_charging == false)
return -retval;
return retval;
}
static u8 get_rtc_spare0_fg_value(struct mtk_gauge *gauge)
{
struct nvmem_cell *cell;
u8 *buf, data;
cell = nvmem_cell_get(&gauge->pdev->dev, "initialization");
if (IS_ERR(cell)) {
bm_err("[%s]get rtc cell fail\n", __func__);
return 0;
}
buf = nvmem_cell_read(cell, NULL);
nvmem_cell_put(cell);
if (IS_ERR(buf)) {
bm_err("[%s]read rtc cell fail\n", __func__);
return 0;
}
bm_debug("[%s] val=0x%x, %d\n", __func__, *buf, *buf);
data = *buf;
kfree(buf);
return data;
}
static void set_rtc_spare0_fg_value(struct mtk_gauge *gauge, u8 val)
{
struct nvmem_cell *cell;
u32 length = 1;
int ret;
cell = nvmem_cell_get(&gauge->pdev->dev, "initialization");
if (IS_ERR(cell)) {
bm_err("[%s]get rtc cell fail\n", __func__);
return;
}
ret = nvmem_cell_write(cell, &val, length);
nvmem_cell_put(cell);
if (ret != length)
bm_err("[%s] write rtc cell fail\n", __func__);
}
static u8 get_rtc_spare_fg_value(struct mtk_gauge *gauge)
{
struct nvmem_cell *cell;
u8 *buf, data;
cell = nvmem_cell_get(&gauge->pdev->dev, "state-of-charge");
if (IS_ERR(cell)) {
bm_err("[%s]get rtc cell fail\n", __func__);
return 0;
}
buf = nvmem_cell_read(cell, NULL);
nvmem_cell_put(cell);
if (IS_ERR(buf)) {
bm_err("[%s]read rtc cell fail\n", __func__);
return 0;
}
bm_debug("[%s] val=%d\n", __func__, *buf);
data = *buf;
kfree(buf);
return data;
}
static void set_rtc_spare_fg_value(struct mtk_gauge *gauge, u8 val)
{
struct nvmem_cell *cell;
u32 length = 1;
int ret;
cell = nvmem_cell_get(&gauge->pdev->dev, "state-of-charge");
if (IS_ERR(cell)) {
bm_err("[%s]get rtc cell fail\n", __func__);
return;
}
ret = nvmem_cell_write(cell, &val, length);
nvmem_cell_put(cell);
if (ret != length)
bm_err("[%s] write rtc cell fail\n", __func__);
bm_debug("[%s] val=%d\n", __func__, val);
}
static void fgauge_read_RTC_boot_status(struct mtk_gauge *gauge)
{
unsigned int hw_id = 0x6375;
u8 spare0_reg = 0;
unsigned int spare0_reg_b13 = 0;
u8 spare3_reg = 0;
int spare3_reg_valid = 0;
spare0_reg = get_rtc_spare0_fg_value(gauge);
spare3_reg = get_rtc_spare_fg_value(gauge);
gauge->hw_status.gspare0_reg = spare0_reg;
gauge->hw_status.gspare3_reg = spare3_reg;
spare3_reg_valid = (spare3_reg & 0x80) >> 7;
if (spare3_reg_valid == 0)
gauge->hw_status.rtc_invalid = 1;
else
gauge->hw_status.rtc_invalid = 0;
if (gauge->hw_status.rtc_invalid == 0) {
spare0_reg_b13 = (spare0_reg & 0x20) >> 5;
if ((hw_id & 0xff00) == 0x3500)
gauge->hw_status.is_bat_plugout = spare0_reg_b13;
else
gauge->hw_status.is_bat_plugout = !spare0_reg_b13;
gauge->hw_status.bat_plug_out_time = spare0_reg & 0x1f;
} else {
gauge->hw_status.is_bat_plugout = 1;
gauge->hw_status.bat_plug_out_time = 31;
}
bm_err("[%s]rtc_invalid %d plugout %d plugout_time %d spare3 0x%x spare0 0x%x hw_id 0x%x\n",
__func__,
gauge->hw_status.rtc_invalid,
gauge->hw_status.is_bat_plugout,
gauge->hw_status.bat_plug_out_time,
spare3_reg, spare0_reg, hw_id);
}
static int fgauge_set_info(struct mtk_gauge *gauge, enum gauge_property ginfo, unsigned int value)
{
u16 regval;
int ret;
bm_debug("[%s]info:%d v:%d\n", __func__, ginfo, value);
ret = regmap_raw_read(gauge->regmap, RG_SYSTEM_INFO_CON0, &regval, sizeof(regval));
if (ret)
return ret;
switch (ginfo) {
case GAUGE_PROP_2SEC_REBOOT:
regval = value ? (regval | BIT(0)) : (regval & ~BIT(0));
break;
case GAUGE_PROP_PL_CHARGING_STATUS:
regval = value ? (regval | BIT(1)) : (regval & ~BIT(1));
break;
case GAUGE_PROP_MONITER_PLCHG_STATUS:
regval = value ? (regval | BIT(2)) : (regval & ~BIT(2));
break;
case GAUGE_PROP_BAT_PLUG_STATUS:
regval = value ? (regval | BIT(3)) : (regval & ~BIT(3));
break;
case GAUGE_PROP_IS_NVRAM_FAIL_MODE:
regval = value ? (regval | BIT(4)) : (regval & ~BIT(4));
break;
case GAUGE_PROP_MONITOR_SOFF_VALIDTIME:
regval = value ? (regval | BIT(5)) : (regval & ~BIT(5));
break;
case GAUGE_PROP_CON0_SOC:
regval &= ~GENMASK(15, 9);
regval |= ((value / 100) << 9);
break;
default:
return -EINVAL;
}
return regmap_raw_write(gauge->regmap, RG_SYSTEM_INFO_CON0, &regval, sizeof(regval));
}
static int fgauge_get_info(struct mtk_gauge *gauge, enum gauge_property ginfo, int *value)
{
u16 regval = 0;
int ret;
ret = regmap_raw_read(gauge->regmap, RG_SYSTEM_INFO_CON0, &regval, sizeof(regval));
if (ret)
return ret;
switch (ginfo) {
case GAUGE_PROP_2SEC_REBOOT:
*value = regval & BIT(0);
break;
case GAUGE_PROP_PL_CHARGING_STATUS:
*value = (regval & BIT(1)) >> 1;
break;
case GAUGE_PROP_MONITER_PLCHG_STATUS:
*value = (regval & BIT(2)) >> 2;
break;
case GAUGE_PROP_BAT_PLUG_STATUS:
*value = (regval & BIT(3)) >> 3;
break;
case GAUGE_PROP_IS_NVRAM_FAIL_MODE:
*value = (regval & BIT(4)) >> 4;
break;
case GAUGE_PROP_MONITOR_SOFF_VALIDTIME:
*value = (regval & BIT(5)) >> 5;
break;
case GAUGE_PROP_CON0_SOC:
*value = (regval & GENMASK(15, 9)) >> 9;
break;
default:
return -EINVAL;
}
bm_debug("[%s]info:%d v:%d\n", __func__, ginfo, *value);
return 0;
}
static unsigned int instant_current_for_car_tune(struct mtk_gauge *gauge)
{
u16 reg_value = 0;
int ret = 0;
pre_gauge_update(gauge);
ret = regmap_raw_read(gauge->regmap, RG_FGADC_CUR_CON0, &reg_value,
sizeof(reg_value));
if (ret) {
pr_notice("%s error, ret = %d\n", __func__, ret);
return ret;
}
post_gauge_update(gauge);
bm_err("%s, reg_value=0x%04x\n", __func__, reg_value);
return reg_value;
}
static int calculate_car_tune(struct mtk_gauge *gauge)
{
struct mt6375_priv *priv = container_of(gauge, struct mt6375_priv, gauge);
int cali_car_tune;
long long sum_all = 0;
unsigned long long temp_sum = 0;
int avg_cnt = 0;
int i;
unsigned int uvalue32 = 0;
signed int dvalue = 0;
long long Temp_Value1 = 0;
unsigned long long Temp_Value2 = 0;
long long current_from_ADC = 0;
bm_err("%s, meta_current=%d,\n", __func__,
gauge->hw_status.meta_current);
if (gauge->hw_status.meta_current != 0) {
for (i = 0; i < CALI_CAR_TUNE_AVG_NUM; i++) {
uvalue32 = instant_current_for_car_tune(gauge);
if (uvalue32 != 0) {
if (uvalue32 <= 0x8000) {
Temp_Value1 = (long long)uvalue32;
bm_err("[111]uvalue32 %d Temp_Value1 %lld\n",
uvalue32,
Temp_Value1);
} else if (uvalue32 > 0x8000) {
Temp_Value1 =
(long long) (65535 - uvalue32);
bm_err("[222]uvalue32 %d Temp_Value1 %lld\n",
uvalue32,
Temp_Value1);
}
sum_all += Temp_Value1;
avg_cnt++;
/*****************/
bm_err("[333]uvalue32 %d Temp_Value1 %lld sum_all %lld\n",
uvalue32,
Temp_Value1, sum_all);
/*****************/
}
mdelay(30);
}
/*calculate the real world data */
/*current_from_ADC = sum_all / avg_cnt;*/
temp_sum = sum_all;
bm_err("[444]sum_all %lld temp_sum %lld avg_cnt %d current_from_ADC %lld\n",
sum_all, temp_sum, avg_cnt, current_from_ADC);
if (avg_cnt != 0)
do_div(temp_sum, avg_cnt);
current_from_ADC = temp_sum;
bm_err("[555]sum_all %lld temp_sum %lld avg_cnt %d current_from_ADC %lld\n",
sum_all, temp_sum, avg_cnt, current_from_ADC);
Temp_Value2 = current_from_ADC * priv->unit_fgcurrent;
bm_err("[555]Temp_Value2 %lld current_from_ADC %lld priv->unit_fgcurrent %d\n",
Temp_Value2, current_from_ADC, priv->unit_fgcurrent);
/* Move 100 from denominator to cali_car_tune's numerator */
/*do_div(Temp_Value2, 1000000);*/
do_div(Temp_Value2, 10000);
bm_err("[666]Temp_Value2 %lld current_from_ADC %lld priv->unit_fgcurrent %d\n",
Temp_Value2, current_from_ADC, priv->unit_fgcurrent);
dvalue = (unsigned int) Temp_Value2;
/* Auto adjust value */
if (gauge->hw_status.r_fg_value != priv->default_r_fg)
dvalue = (dvalue * priv->default_r_fg) /
gauge->hw_status.r_fg_value;
bm_err("[666]dvalue %d fg_cust_data.r_fg_value %d\n",
dvalue, gauge->hw_status.r_fg_value);
/* Move 100 from denominator to cali_car_tune's numerator */
/*cali_car_tune = meta_input_cali_current * 1000 / dvalue;*/
if (dvalue != 0) {
cali_car_tune =
gauge->hw_status.meta_current *
1000 * 100 / dvalue;
bm_err("[777]dvalue %d fg_cust_data.r_fg_value %d cali_car_tune %d\n",
dvalue,
gauge->hw_status.r_fg_value,
cali_car_tune);
gauge->hw_status.tmp_car_tune = cali_car_tune;
bm_err(
"[fgauge_meta_cali_car_tune_value][%d] meta:%d, adc:%lld, UNI_FGCUR:%d, r_fg_value:%d\n",
cali_car_tune, gauge->hw_status.meta_current,
current_from_ADC, priv->unit_fgcurrent,
gauge->hw_status.r_fg_value);
}
return 0;
}
return 0;
}
static int info_set(struct mtk_gauge *gauge, struct mtk_gauge_sysfs_field_info *attr, int val)
{
int ret = 0;
if (attr->prop == GAUGE_PROP_CAR_TUNE_VALUE && (val > 500 && val < 1500)) {
/* send external_current for calculate_car_tune */
gauge->hw_status.meta_current = val;
calculate_car_tune(gauge);
} else if (attr->prop == GAUGE_PROP_R_FG_VALUE && val != 0)
gauge->hw_status.r_fg_value = val;
else if (attr->prop == GAUGE_PROP_VBAT2_DETECT_TIME)
gauge->hw_status.vbat2_det_time = val;
else if (attr->prop == GAUGE_PROP_VBAT2_DETECT_COUNTER)
gauge->hw_status.vbat2_det_counter = val;
else
ret = fgauge_set_info(gauge, attr->prop, val);
return ret;
}
static int info_get(struct mtk_gauge *gauge, struct mtk_gauge_sysfs_field_info *attr, int *val)
{
int ret = 0;
if (attr->prop == GAUGE_PROP_CAR_TUNE_VALUE)
*val = gauge->hw_status.tmp_car_tune;
else if (attr->prop == GAUGE_PROP_R_FG_VALUE)
*val = gauge->hw_status.r_fg_value;
else if (attr->prop == GAUGE_PROP_VBAT2_DETECT_TIME)
*val = gauge->hw_status.vbat2_det_time;
else if (attr->prop == GAUGE_PROP_VBAT2_DETECT_COUNTER)
*val = gauge->hw_status.vbat2_det_counter;
else
ret = fgauge_get_info(gauge, attr->prop, val);
return ret;
}
static int instant_current(struct mtk_gauge *gauge, int *val)
{
struct mt6375_priv *priv = container_of(gauge, struct mt6375_priv, gauge);
u16 reg_value = 0;
int dvalue = 0;
int r_fg_value = 0;
int car_tune_value = 0;
int ret = 0;
r_fg_value = gauge->hw_status.r_fg_value;
car_tune_value = gauge->gm->fg_cust_data.car_tune_value;
pre_gauge_update(gauge);
ret = regmap_raw_read(gauge->regmap, RG_FGADC_CUR_CON0, &reg_value,
sizeof(reg_value));
if (ret) {
pr_notice("%s error, ret = %d\n", __func__, ret);
return ret;
}
post_gauge_update(gauge);
dvalue = reg_to_current(gauge, reg_value);
/* Auto adjust value */
if (r_fg_value != priv->default_r_fg && r_fg_value != 0)
dvalue = (dvalue * priv->default_r_fg) / r_fg_value;
dvalue = ((dvalue * car_tune_value) / 1000);
*val = dvalue;
return ret;
}
static int read_hw_ocv_6375_plug_in(struct mtk_gauge *gauge)
{
signed int adc_rdy = 0;
signed int adc_result_reg = 0;
signed int adc_result = 0;
u16 regval = 0;
unsigned int sel = 0;
regmap_raw_read(gauge->regmap, RG_AUXADC_ADC_OUT_BAT_PLUGIN_PCHR, &regval, sizeof(regval));
adc_rdy = regval & AUXADC_ADC_RDY_BAT_PLUGIN_PCHR_MASK;
adc_result_reg = regval & AUXADC_ADC_OUT_BAT_PLUGIN_PCHR_MASK;
regmap_read(gauge->regmap, RG_HK_TOP_STRUP_CON1, &sel);
sel = (sel & HK_STRUP_AUXADC_START_SEL_MASK) >> HK_STRUP_AUXADC_START_SEL_SHIFT;
adc_result = reg_to_mv_value(adc_result_reg);
bm_err("[oam] %s (pchr): adc_result_reg=%d, adc_result=%d, start_sel=%d, rdy=%d\n",
__func__, adc_result_reg, adc_result,
sel,
adc_rdy);
if (adc_rdy) {
regmap_update_bits(gauge->regmap, RG_AUXADC_CON42,
AUXADC_ADC_RDY_BAT_PLUGIN_CLR_MASK,
AUXADC_ADC_RDY_BAT_PLUGIN_CLR_MASK);
mdelay(1);
regmap_update_bits(gauge->regmap, RG_AUXADC_CON42,
AUXADC_ADC_RDY_BAT_PLUGIN_CLR_MASK, 0);
}
return adc_result;
}
static int read_hw_ocv_6375_power_on(struct mtk_gauge *gauge)
{
struct mt6375_priv *priv = container_of(gauge, struct mt6375_priv, gauge);
signed int adc_result_rdy = 0;
signed int adc_result_reg = 0;
signed int adc_result = 0;
u16 regval = 0;
int offset_trim = priv->offset_trim;
unsigned int sel = 0, data;
bool is_ship_rst;
regmap_raw_read(gauge->regmap, RG_AUXADC_ADC_OUT_PWRON_PCHR, &regval, sizeof(regval));
adc_result_rdy = regval & AUXADC_ADC_RDY_PWRON_PCHR_MASK;
adc_result_reg = regval & AUXADC_ADC_OUT_PWRON_PCHR_MASK;
regmap_read(gauge->regmap, RG_HK_TOP_STRUP_CON1, &sel);
sel = (sel & HK_STRUP_AUXADC_START_SEL_MASK) >> HK_STRUP_AUXADC_START_SEL_SHIFT;
regmap_read(gauge->regmap, RG_FGADC_ZCV_CON0, &data);
is_ship_rst = data & FGADC_ZCV_CON0_RSV ? true : false;
if (is_ship_rst) {
bm_err("%s: before cali, is_ship_rst:%d, offset_trim:0x%x, gain_err:0x%x, adc_result_reg:0x%x\n",
__func__, is_ship_rst, offset_trim, priv->gain_err, adc_result_reg);
adc_result_reg = adc_result_reg * (ADC_PRECISE + priv->gain_err) / ADC_PRECISE +
offset_trim;
bm_err("%s: after cali, adc_result_reg:0x%x\n", __func__, adc_result_reg);
}
adc_result = reg_to_mv_value(adc_result_reg);
bm_err("[oam] %s (pchr) : adc_result_reg=%d, adc_result=%d, start_sel=%d, rdy=%d\n",
__func__, adc_result_reg, adc_result,
sel, adc_result_rdy);
if (adc_result_rdy) {
regmap_update_bits(gauge->regmap, RG_AUXADC_CON42, AUXADC_ADC_RDY_PWRON_CLR_MASK,
AUXADC_ADC_RDY_PWRON_CLR_MASK);
mdelay(1);
regmap_update_bits(gauge->regmap, RG_AUXADC_CON42, AUXADC_ADC_RDY_PWRON_CLR_MASK,
0);
}
return adc_result;
}
static int read_hw_ocv_6375_before_chgin(struct mtk_gauge *gauge)
{
signed int adc_result_rdy = 0;
signed int adc_result_reg = 0;
signed int adc_result = 0;
u16 regval = 0;
unsigned int sel = 0;
regmap_raw_read(gauge->regmap, RG_AUXADC_ADC_OUT_WAKEUP_PCHR, &regval, sizeof(regval));
adc_result_rdy = regval & AUXADC_ADC_RDY_WAKEUP_PCHR_MASK;
adc_result_reg = regval & AUXADC_ADC_OUT_WAKEUP_PCHR_MASK;
regmap_read(gauge->regmap, RG_HK_TOP_STRUP_CON1, &sel);
sel = (sel & HK_STRUP_AUXADC_START_SEL_MASK) >> HK_STRUP_AUXADC_START_SEL_SHIFT;
adc_result = reg_to_mv_value(adc_result_reg);
bm_err("[oam] %s (pchr) : adc_result_reg=%d, adc_result=%d, start_sel=%d, rdy=%d\n",
__func__, adc_result_reg, adc_result,
sel, adc_result_rdy);
if (adc_result_rdy) {
regmap_update_bits(gauge->regmap, RG_AUXADC_CON42, AUXADC_ADC_RDY_WAKEUP_CLR_MASK,
AUXADC_ADC_RDY_WAKEUP_CLR_MASK);
mdelay(1);
regmap_update_bits(gauge->regmap, RG_AUXADC_CON42, AUXADC_ADC_RDY_WAKEUP_CLR_MASK,
0);
}
return adc_result;
}
static int read_hw_ocv_6375_power_on_rdy(struct mtk_gauge *gauge)
{
u16 regval = 0;
int pon_rdy = 0;
regmap_raw_read(gauge->regmap, RG_AUXADC_ADC_OUT_PWRON_PCHR, &regval, sizeof(regval));
pon_rdy = (regval & AUXADC_ADC_RDY_PWRON_PCHR_MASK) ? 1 : 0;
bm_err("[%s] pwron_PCHR_rdy %d\n", __func__, pon_rdy);
return pon_rdy;
}
static void switch_nafg_period(int _prd, int *value)
{
if (_prd >= 1 && _prd < 5)
*value = 0;
else if (_prd >= 5 && _prd < 10)
*value = 1;
else if (_prd >= 10 && _prd < 20)
*value = 2;
else if (_prd >= 20)
*value = 3;
}
static void fgauge_set_nafg_intr_internal(struct mtk_gauge *gauge, int _prd, int _zcv_mv,
int _thr_mv)
{
u32 NAG_C_DLTV_Threashold;
int period = 0;
u16 regval = 0;
gauge->zcv_reg = mv_to_reg_value(_zcv_mv);
gauge->thr_reg = mv_to_reg_value(_thr_mv);
if (gauge->thr_reg >= 32768) {
bm_err("[%s]nag_c_dltv_thr mv=%d ,thr_reg=%d,limit thr_reg to 32767\n",
__func__, _thr_mv, gauge->thr_reg);
gauge->thr_reg = 32767;
}
regval = gauge->zcv_reg & AUXADC_NAG_ZCV_MASK;
regmap_raw_write(gauge->regmap, RG_AUXADC_NAG_1, &regval, sizeof(regval));
NAG_C_DLTV_Threashold = gauge->thr_reg & AUXADC_NAG_C_DLTV_TH_MASK;
regmap_raw_write(gauge->regmap, RG_AUXADC_NAG_3, &NAG_C_DLTV_Threashold,
sizeof(NAG_C_DLTV_Threashold));
switch_nafg_period(_prd, &period);
regmap_update_bits(gauge->regmap, RG_AUXADC_NAG_0,
AUXADC_NAG_PRD_MASK | AUXADC_NAG_VBAT1_SEL_MASK,
period << AUXADC_NAG_PRD_SHIFT | 0 << AUXADC_NAG_VBAT1_SEL_SHIFT);
bm_debug("[fg_bat_nafg][fgauge_set_nafg_interrupt_internal] time[%d] zcv[%d:%d] thr[%d:%d] 26_0[0x%x]\n",
_prd, _zcv_mv, gauge->zcv_reg, _thr_mv, gauge->thr_reg, NAG_C_DLTV_Threashold);
}
static int get_nafg_vbat(struct mtk_gauge *gauge)
{
u16 nag_vbat_reg = 0;
unsigned int vbat_val;
int nag_vbat_mv, i = 0;
do {
regmap_raw_read(gauge->regmap, RG_AUXADC_ADC_OUT_NAG, &nag_vbat_reg,
sizeof(nag_vbat_reg));
if (nag_vbat_reg & BIT(15))
break;
msleep(30);
i++;
} while (i <= 5);
vbat_val = nag_vbat_reg & AUXADC_ADC_OUT_NAG_MASK;
nag_vbat_mv = reg_to_mv_value(vbat_val);
return nag_vbat_mv;
}
static void fgauge_set_zcv_intr_internal(struct mtk_gauge *gauge_dev, int fg_zcv_det_time,
int fg_zcv_car_th)
{
struct mt6375_priv *priv = container_of(gauge_dev, struct mt6375_priv, gauge);
long long fg_zcv_car_th_reg = fg_zcv_car_th;
u32 fg_zcv_car_th_regval;
fg_zcv_car_th_reg = (fg_zcv_car_th_reg * 100 * 1000);
#if defined(__LP64__) || defined(_LP64)
do_div(fg_zcv_car_th_reg, priv->unit_fgcar_zcv);
#else
fg_zcv_car_th_reg = div_s64(fg_zcv_car_th_reg, priv->unit_fgcar_zcv);
#endif
if (gauge_dev->hw_status.r_fg_value != priv->default_r_fg)
#if defined(__LP64__) || defined(_LP64)
fg_zcv_car_th_reg = (fg_zcv_car_th_reg *
gauge_dev->hw_status.r_fg_value) /
priv->default_r_fg;
#else
fg_zcv_car_th_reg = div_s64(fg_zcv_car_th_reg *
gauge_dev->hw_status.r_fg_value,
priv->default_r_fg);
#endif
#if defined(__LP64__) || defined(_LP64)
fg_zcv_car_th_reg = ((fg_zcv_car_th_reg * 1000) /
gauge_dev->gm->fg_cust_data.car_tune_value);
#else
fg_zcv_car_th_reg = div_s64((fg_zcv_car_th_reg * 1000),
gauge_dev->gm->fg_cust_data.car_tune_value);
#endif
regmap_update_bits(gauge_dev->regmap, RG_FGADC_ZCV_CON0, FG_ZCV_DET_IV_MASK,
fg_zcv_det_time << FG_ZCV_DET_IV_SHIFT);
fg_zcv_car_th_regval = fg_zcv_car_th_reg & FG_ZCV_CAR_TH_MASK;
regmap_raw_write(gauge_dev->regmap, RG_FGADC_ZCVTH_CON0, &fg_zcv_car_th_regval,
sizeof(fg_zcv_car_th_regval));
bm_debug("[FG_ZCV_INT][%s] det_time %d mv %d reg %lld 30_00 0x%x\n",
__func__, fg_zcv_det_time, fg_zcv_car_th, fg_zcv_car_th_reg,
fg_zcv_car_th_regval);
}
static int read_fg_hw_info_current_1(struct mtk_gauge *gauge_dev, int *curr)
{
int ret = 0;
ret = instant_current(gauge_dev, curr);
if (ret) {
pr_notice("%s error, ret = %d\n", __func__, ret);
return ret;
}
return 0;
}
static void read_fg_hw_info_current_2(struct mtk_gauge *gauge_dev)
{
struct mt6375_priv *priv = container_of(gauge_dev, struct mt6375_priv, gauge);
long long fg_current_2_reg;
u16 cic2_reg = 0;
signed int dvalue;
long long Temp_Value;
int sign_bit = 0;
regmap_raw_read(gauge_dev->regmap, RG_FGADC_CUR_CON3, &cic2_reg, sizeof(cic2_reg));
fg_current_2_reg = cic2_reg;
/*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 * priv->unit_fgcurrent;
#if defined(__LP64__) || defined(_LP64)
do_div(Temp_Value, 100000);
#else
Temp_Value = div_s64(Temp_Value, 100000);
#endif
dvalue = (unsigned int) Temp_Value;
if (gauge_dev->hw_status.r_fg_value != priv->default_r_fg)
dvalue = (dvalue * priv->default_r_fg) / gauge_dev->hw_status.r_fg_value;
if (sign_bit == 1)
dvalue = dvalue - (dvalue * 2);
gauge_dev->fg_hw_info.current_2 =
(dvalue * gauge_dev->gm->fg_cust_data.car_tune_value) / 1000;
}
static void read_fg_hw_info_ncar(struct mtk_gauge *gauge_dev)
{
struct mt6375_priv *priv = container_of(gauge_dev, struct mt6375_priv, gauge);
unsigned int uvalue32_NCAR = 0;
unsigned int uvalue32_NCAR_MSB = 0;
u32 temp_NCAR = 0;
signed int dvalue_NCAR = 0;
long long Temp_Value = 0;
regmap_raw_read(gauge_dev->regmap, RG_FGADC_NCAR_CON0, &temp_NCAR, sizeof(temp_NCAR));
uvalue32_NCAR = temp_NCAR & ~BIT(31);
uvalue32_NCAR_MSB = temp_NCAR & BIT(31);
/*calculate the real world data */
dvalue_NCAR = (signed int)uvalue32_NCAR;
if (uvalue32_NCAR == 0) {
Temp_Value = 0;
} else if (uvalue32_NCAR_MSB) {
/* dis-charging */
Temp_Value = (long long)(dvalue_NCAR - 0x7fffffff);
/* 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 * priv->unit_charge / 1000;
#else
Temp_Value = div_s64(Temp_Value * priv->unit_charge, 1000);
#endif
#if defined(__LP64__) || defined(_LP64)
do_div(Temp_Value, 10);
Temp_Value = Temp_Value + 5;
do_div(Temp_Value, 10);
#else
Temp_Value = div_s64(Temp_Value, 10);
Temp_Value = Temp_Value + 5;
Temp_Value = div_s64(Temp_Value, 10);
#endif
if (uvalue32_NCAR_MSB)
dvalue_NCAR = (signed int)(Temp_Value - (Temp_Value * 2));
else
dvalue_NCAR = (signed int)Temp_Value;
/*Auto adjust value*/
if (gauge_dev->hw_status.r_fg_value != priv->default_r_fg)
dvalue_NCAR = (dvalue_NCAR * priv->default_r_fg) / gauge_dev->hw_status.r_fg_value;
gauge_dev->fg_hw_info.ncar =
((dvalue_NCAR * gauge_dev->gm->fg_cust_data.car_tune_value) / 1000);
}
static int fgauge_get_time(struct mtk_gauge *gauge_dev, unsigned int *ptime)
{
unsigned int ret_time;
u32 time_regval = 0;
long long time = 0;
pre_gauge_update(gauge_dev);
regmap_raw_read(gauge_dev->regmap, RG_FGADC_NTER_CON0, &time_regval, sizeof(time_regval));
time = time_regval & FGADC_NTER_MASK;
#if defined(__LP64__) || defined(_LP64)
time = time * UNIT_TIME / 100;
#else
time = div_s64(time * UNIT_TIME, 100);
#endif
ret_time = time;
bm_debug("[%s] regval:0x%x rtime:0x%llx 0x%x!\r\n", __func__, time_regval, time, ret_time);
post_gauge_update(gauge_dev);
*ptime = ret_time;
return 0;
}
static int nafg_check_corner(struct mtk_gauge *gauge)
{
int nag_vbat = 0;
int setto_cdltv_thr_mv = 0;
int get_c_dltv_mv = 0;
u32 nag_c_dltv_value = 0;
signed int nag_c_dltv_reg_value;
bool bcheckbit10;
int nag_zcv = gauge->nafg_zcv_mv;
setto_cdltv_thr_mv = gauge->nafg_c_dltv_mv;
/*AUXADC_NAG_7*/
regmap_raw_read(gauge->regmap, RG_AUXADC_NAG_13, &nag_c_dltv_value,
sizeof(nag_c_dltv_value));
nag_c_dltv_value &= AUXADC_NAG_C_DLTV_MASK;
bcheckbit10 = nag_c_dltv_value & BIT(26);
nag_c_dltv_reg_value = nag_c_dltv_value;
if (bcheckbit10)
nag_c_dltv_reg_value |= 0xF8000000;
get_c_dltv_mv = reg_to_mv_value(nag_c_dltv_reg_value);
nag_vbat = get_nafg_vbat(gauge);
if (nag_vbat < 31500 && nag_zcv > 31500)
gauge->nafg_corner = 1;
else if (nag_zcv < 31500 && nag_vbat > 31500)
gauge->nafg_corner = 2;
else
gauge->nafg_corner = 0;
bm_debug("%s:corner:%d nag_vbat:%d nag_zcv:%d get_c_dltv_mv:%d setto_cdltv_thr_mv:%d, RG[0x%x]\n",
__func__, gauge->nafg_corner, nag_vbat, nag_zcv, get_c_dltv_mv,
setto_cdltv_thr_mv, nag_c_dltv_value);
return 0;
}
static int coulomb_get(struct mtk_gauge *gauge, struct mtk_gauge_sysfs_field_info *attr, int *val)
{
struct mt6375_priv *priv = container_of(gauge, struct mt6375_priv, gauge);
unsigned int uvalue32_car = 0;
unsigned int uvalue32_car_msb = 0;
u32 temp_car = 0;
signed int dvalue_CAR = 0;
long long temp_value = 0;
int r_fg_value;
int car_tune_value;
int ret = 0;
r_fg_value = gauge->hw_status.r_fg_value;
car_tune_value = gauge->gm->fg_cust_data.car_tune_value;
pre_gauge_update(gauge);
ret = regmap_raw_read(gauge->regmap, RG_FGADC_CAR_CON0, &temp_car,
sizeof(temp_car));
if (ret) {
pr_notice("%s error, ret = %d\n", __func__, ret);
return ret;
}
post_gauge_update(gauge);
uvalue32_car = temp_car & 0x7fffffff;
uvalue32_car_msb = (temp_car & BIT(31)) >> 31;
/* calculate the real world data */
dvalue_CAR = (signed int) uvalue32_car;
if (uvalue32_car == 0) {
temp_value = 0;
} else if (uvalue32_car_msb) {
/* dis-charging */
temp_value = (long long) (dvalue_CAR - 0x7fffffff);
/* keep negative value */
temp_value = temp_value - (temp_value * 2);
} else {
/*charging */
temp_value = (long long) dvalue_CAR;
}
#if defined(__LP64__) || defined(_LP64)
temp_value = temp_value * priv->unit_charge / 1000;
#else
temp_value = div_s64(temp_value * priv->unit_charge, 1000);
#endif
#if defined(__LP64__) || defined(_LP64)
do_div(temp_value, 10);
temp_value = temp_value + 5;
do_div(temp_value, 10);
#else
temp_value = div_s64(temp_value, 10);
temp_value = temp_value + 5;
temp_value = div_s64(temp_value, 10);
#endif
if (uvalue32_car_msb)
dvalue_CAR = (signed int) (temp_value - (temp_value * 2));
/* keep negative value */
else
dvalue_CAR = (signed int) temp_value;
bm_debug("[%s]l:0x%x h:0x%x val:%d msb:%d car:%d\n", __func__, temp_car & 0xFFFF,
(temp_car & 0xFFFF0000) >> 16, uvalue32_car, uvalue32_car_msb, dvalue_CAR);
/*Auto adjust value*/
if (r_fg_value != priv->default_r_fg && r_fg_value != 0) {
bm_debug("[%s] Auto adjust value deu to the Rfg is %d\n Ori CAR=%d",
__func__, r_fg_value, dvalue_CAR);
dvalue_CAR = (dvalue_CAR * priv->default_r_fg) / r_fg_value;
bm_debug("[%s] new CAR=%d\n", __func__, dvalue_CAR);
}
dvalue_CAR = (dvalue_CAR * car_tune_value) / 1000;
bm_debug("[%s] CAR=%d r_fg_value=%d car_tune_value=%d\n",
__func__, dvalue_CAR, r_fg_value, car_tune_value);
*val = dvalue_CAR;
return 0;
}
static int average_current_get(struct mtk_gauge *gauge_dev, struct mtk_gauge_sysfs_field_info *attr,
int *data)
{
struct mt6375_priv *priv = container_of(gauge_dev, struct mt6375_priv, gauge);
long long fg_iavg_reg = 0;
long long fg_iavg_reg_tmp = 0;
long long fg_iavg_ma = 0;
u16 fg_iavg_reg_27_16 = 0;
u16 fg_iavg_reg_15_00 = 0;
int sign_bit = 0;
int is_bat_charging;
int iavg_vld = 0;
int r_fg_value, car_tune_value;
int ret = 0;
r_fg_value = gauge_dev->hw_status.r_fg_value;
car_tune_value = gauge_dev->gm->fg_cust_data.car_tune_value;
pre_gauge_update(gauge_dev);
ret = regmap_read(gauge_dev->regmap, RG_FGADC_IAVG_CON1, &iavg_vld);
if (ret) {
pr_notice("%s error, ret = %d\n", __func__, ret);
return ret;
}
iavg_vld = iavg_vld & FG_IAVG_VLD_MASK;
if (iavg_vld) {
ret = regmap_raw_read(gauge_dev->regmap, RG_FGADC_IAVG_CON2,
&fg_iavg_reg_27_16,
sizeof(fg_iavg_reg_27_16));
if (ret) {
pr_notice("%s error, ret = %d\n", __func__, ret);
return ret;
}
fg_iavg_reg_27_16 &= FG_IAVG_27_16_MASK;
ret = regmap_raw_read(gauge_dev->regmap, RG_FGADC_IAVG_CON0,
&fg_iavg_reg_15_00,
sizeof(fg_iavg_reg_15_00));
if (ret) {
pr_notice("%s error, ret = %d\n", __func__, ret);
return ret;
}
fg_iavg_reg_15_00 &= FG_IAVG_15_00_MASK;
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 & BIT(11)) >> 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;
}
is_bat_charging = sign_bit ? 0 : 1;
fg_iavg_ma = fg_iavg_reg * priv->unit_fg_iavg * car_tune_value;
bm_debug(
"[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);
#if defined(__LP64__) || defined(_LP64)
do_div(fg_iavg_ma, 1000000);
#else
fg_iavg_ma = div_s64(fg_iavg_ma, 1000000);
#endif
if (r_fg_value != priv->default_r_fg && r_fg_value != 0) {
#if defined(__LP64__) || defined(_LP64)
fg_iavg_ma = (fg_iavg_ma * priv->default_r_fg / r_fg_value);
#else
fg_iavg_ma = div_s64(fg_iavg_ma * priv->default_r_fg, r_fg_value);
#endif
}
#if defined(__LP64__) || defined(_LP64)
do_div(fg_iavg_ma, 100);
#else
fg_iavg_ma = div_s64(fg_iavg_ma, 100);
#endif
bm_debug("[fg_get_current_iavg] fg_iavg_ma %lld\n",
fg_iavg_ma);
if (sign_bit)
fg_iavg_ma = 0 - fg_iavg_ma;
bm_debug(
"[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, 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_debug("[fg_get_current_iavg] PMIC_FG_IAVG_VLD == 1\n");
} else {
ret = read_fg_hw_info_current_1(gauge_dev,
&gauge_dev->fg_hw_info.current_1);
if (ret) {
pr_notice("%s error, ret = %d\n", __func__, ret);
return ret;
}
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);
}
post_gauge_update(gauge_dev);
*data = gauge_dev->fg_hw_info.current_avg;
gauge_dev->fg_hw_info.current_avg_valid = iavg_vld;
bm_debug("[fg_get_current_iavg] %d %d\n", *data, iavg_vld);
return 0;
}
static int bat_temp_froze_en_set(struct mtk_gauge *gauge, struct mtk_gauge_sysfs_field_info *attr,
int val)
{
regmap_update_bits(gauge->regmap, RG_AUXADC_BAT_TEMP_1, AUXADC_BAT_TEMP_FROZE_EN_MASK,
val ? AUXADC_BAT_TEMP_FROZE_EN_MASK : 0);
return 0;
}
static int bat_tmp_lt_threshold_set(struct mtk_gauge *gauge,
struct mtk_gauge_sysfs_field_info *attr, int threshold)
{
int tmp_int_lt = mv_to_reg_12_temp_value(threshold);
u16 regval;
regval = tmp_int_lt & AUXADC_BAT_TEMP_VOLT_MAX_MASK;
/* max is low temp */
regmap_raw_write(gauge->regmap, RG_AUXADC_BAT_TEMP_4, &regval, sizeof(regval));
bm_debug("[%s]mv:%d reg:%d\n", __func__, threshold, tmp_int_lt);
return 0;
}
static int bat_tmp_ht_threshold_set(struct mtk_gauge *gauge,
struct mtk_gauge_sysfs_field_info *attr, int threshold)
{
int tmp_int_ht = mv_to_reg_12_temp_value(threshold);
u16 regval;
regval = tmp_int_ht & AUXADC_BAT_TEMP_VOLT_MIN_MASK;
/* min is high temp */
regmap_raw_write(gauge->regmap, RG_AUXADC_BAT_TEMP_7, &regval, sizeof(regval));
bm_debug("[%s]mv:%d reg:%d\n", __func__, threshold, tmp_int_ht);
return 0;
}
static int en_bat_tmp_lt_set(struct mtk_gauge *gauge, struct mtk_gauge_sysfs_field_info *attr,
int en)
{
if (en == 0) {
disable_gauge_irq(gauge, BAT_TMP_L_IRQ);
regmap_update_bits(gauge->regmap, RG_AUXADC_BAT_TEMP_3,
AUXADC_BAT_TEMP_DET_MAX_MASK | AUXADC_BAT_TEMP_IRQ_EN_MAX_MASK,
0);
regmap_update_bits(gauge->regmap, RG_AUXADC_BAT_TEMP_0, AUXADC_BAT_TEMP_EN_MASK, 0);
} else {
/* unit: 0x10 = 2, means 5 second */
regmap_update_bits(gauge->regmap, RG_AUXADC_BAT_TEMP_2,
AUXADC_BAT_TEMP_DET_PRD_SEL_MASK,
2 << AUXADC_BAT_TEMP_DET_PRD_SEL_SHIFT);
/* debounce 0x10 = 2 , means 4 times*/
/* 5s * 4 times = 20s to issue bat_temp interrupt */
regmap_update_bits(gauge->regmap, RG_AUXADC_BAT_TEMP_2,
AUXADC_BAT_TEMP_DEBT_MAX_SEL_MASK,
2 << AUXADC_BAT_TEMP_DEBT_MAX_SEL_SHIFT);
enable_gauge_irq(gauge, BAT_TMP_L_IRQ);
regmap_update_bits(gauge->regmap, RG_AUXADC_BAT_TEMP_3,
AUXADC_BAT_TEMP_DET_MAX_MASK | AUXADC_BAT_TEMP_IRQ_EN_MAX_MASK,
AUXADC_BAT_TEMP_DET_MAX_MASK | AUXADC_BAT_TEMP_IRQ_EN_MAX_MASK);
regmap_update_bits(gauge->regmap, RG_AUXADC_BAT_TEMP_0, AUXADC_BAT_TEMP_EN_MASK,
AUXADC_BAT_TEMP_EN_MASK);
}
bm_debug("[%s]en:%d\n", __func__, en);
return 0;
}
static int en_bat_tmp_ht_set(struct mtk_gauge *gauge, struct mtk_gauge_sysfs_field_info *attr,
int en)
{
if (en == 0) {
disable_gauge_irq(gauge, BAT_TMP_H_IRQ);
regmap_update_bits(gauge->regmap, RG_AUXADC_BAT_TEMP_6,
AUXADC_BAT_TEMP_DET_MIN_MASK | AUXADC_BAT_TEMP_IRQ_EN_MIN_MASK,
0);
regmap_update_bits(gauge->regmap, RG_AUXADC_BAT_TEMP_0, AUXADC_BAT_TEMP_EN_MASK, 0);
} else {
/* unit: 0x10 = 2, means 5 second */
regmap_update_bits(gauge->regmap, RG_AUXADC_BAT_TEMP_2,
AUXADC_BAT_TEMP_DET_PRD_SEL_MASK,
2 << AUXADC_BAT_TEMP_DET_PRD_SEL_SHIFT);
/* debounce 0x10 = 2 , means 4 times*/
/* 5s * 4 times = 20s to issue bat_temp interrupt */
regmap_update_bits(gauge->regmap, RG_AUXADC_BAT_TEMP_2,
AUXADC_BAT_TEMP_DEBT_MIN_SEL_MASK,
2 << AUXADC_BAT_TEMP_DEBT_MIN_SEL_SHIFT);
enable_gauge_irq(gauge, BAT_TMP_H_IRQ);
regmap_update_bits(gauge->regmap, RG_AUXADC_BAT_TEMP_6,
AUXADC_BAT_TEMP_DET_MIN_MASK | AUXADC_BAT_TEMP_IRQ_EN_MIN_MASK,
AUXADC_BAT_TEMP_DET_MIN_MASK | AUXADC_BAT_TEMP_IRQ_EN_MIN_MASK);
regmap_update_bits(gauge->regmap, RG_AUXADC_BAT_TEMP_0, AUXADC_BAT_TEMP_EN_MASK,
AUXADC_BAT_TEMP_EN_MASK);
}
bm_debug("[%s]en:%d\n", __func__, en);
return 0;
}
static int event_set(struct mtk_gauge *gauge, struct mtk_gauge_sysfs_field_info *attr, int event)
{
if (event == EVT_INT_NAFG_CHECK)
nafg_check_corner(gauge);
return 0;
}
static signed int fg_set_iavg_intr(struct mtk_gauge *gauge_dev, void *data)
{
struct mt6375_priv *priv = container_of(gauge_dev, struct mt6375_priv, gauge);
int iavg_gap = *(unsigned int *) (data);
int iavg;
long long iavg_ht, iavg_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;
u32 regval;
int ret = 0;
ret = average_current_get(gauge_dev, NULL, &iavg);
if (ret) {
pr_notice("%s error, ret = %d\n", __func__, ret);
return ret;
}
iavg_ht = abs(iavg) + iavg_gap;
iavg_lt = abs(iavg) - iavg_gap;
if (iavg_lt <= 0)
iavg_lt = 0;
gauge_dev->hw_status.iavg_ht = iavg_ht;
gauge_dev->hw_status.iavg_lt = iavg_lt;
/* reverse for IAVG */
/* fg_iavg_ma * 100 * fg_cust_data.r_fg_value / DEFAULT_RFG * 1000 * 1000 */
/* / fg_cust_data.car_tune_value / priv->unit_fg_iavg = fg_iavg_reg */
fg_iavg_reg_ht = iavg_ht * 100;
if (gauge_dev->hw_status.r_fg_value != priv->default_r_fg) {
fg_iavg_reg_ht = fg_iavg_reg_ht * gauge_dev->hw_status.r_fg_value;
#if defined(__LP64__) || defined(_LP64)
do_div(fg_iavg_reg_ht, priv->default_r_fg);
#else
fg_iavg_reg_ht = div_s64(fg_iavg_reg_ht, priv->default_r_fg);
#endif
}
fg_iavg_reg_ht = fg_iavg_reg_ht * 1000000;
#if defined(__LP64__) || defined(_LP64)
do_div(fg_iavg_reg_ht, priv->unit_fg_iavg);
do_div(fg_iavg_reg_ht, gauge_dev->gm->fg_cust_data.car_tune_value);
#else
fg_iavg_reg_ht = div_s64(fg_iavg_reg_ht, priv->unit_fg_iavg);
fg_iavg_reg_ht = div_s64(fg_iavg_reg_ht, gauge_dev->gm->fg_cust_data.car_tune_value);
#endif
fg_iavg_reg_lt = iavg_lt * 100;
if (gauge_dev->hw_status.r_fg_value != priv->default_r_fg) {
fg_iavg_reg_lt = fg_iavg_reg_lt *
gauge_dev->hw_status.r_fg_value;
#if defined(__LP64__) || defined(_LP64)
do_div(fg_iavg_reg_lt, priv->default_r_fg);
#else
fg_iavg_reg_lt = div_s64(fg_iavg_reg_lt, priv->default_r_fg);
#endif
}
fg_iavg_reg_lt = fg_iavg_reg_lt * 1000000;
#if defined(__LP64__) || defined(_LP64)
do_div(fg_iavg_reg_lt, priv->unit_fg_iavg);
do_div(fg_iavg_reg_lt, gauge_dev->gm->fg_cust_data.car_tune_value);
#else
fg_iavg_reg_lt = div_s64(fg_iavg_reg_lt, priv->unit_fg_iavg);
fg_iavg_reg_lt = div_s64(fg_iavg_reg_lt,
gauge_dev->gm->fg_cust_data.car_tune_value);
#endif
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;
disable_gauge_irq(gauge_dev, FG_IAVG_H_IRQ);
disable_gauge_irq(gauge_dev, FG_IAVG_L_IRQ);
regval = fg_iavg_lth_28_16 << 16 | fg_iavg_lth_15_00;
regmap_raw_write(gauge_dev->regmap, RG_FGADC_IAVG_CON3, &regval, sizeof(regval));
regval = fg_iavg_hth_28_16 << 16 | fg_iavg_hth_15_00;
regmap_raw_write(gauge_dev->regmap, RG_FGADC_IAVG_CON5, &regval, sizeof(regval));
enable_gauge_irq(gauge_dev, FG_IAVG_H_IRQ);
if (iavg_lt > 0)
enable_gauge_irq(gauge_dev, FG_IAVG_L_IRQ);
else
disable_gauge_irq(gauge_dev, FG_IAVG_L_IRQ);
bm_debug("[FG_IAVG_INT][%s] iavg %d iavg_gap %d iavg_ht %lld iavg_lt %lld fg_iavg_reg_ht %lld fg_iavg_reg_lt %lld\n",
__func__, iavg, iavg_gap, iavg_ht, iavg_lt,
fg_iavg_reg_ht, fg_iavg_reg_lt);
bm_debug("[FG_IAVG_INT][%s] lt_28_16 0x%x lt_15_00 0x%x ht_28_16 0x%x ht_15_00 0x%x\n",
__func__, fg_iavg_lth_28_16, fg_iavg_lth_15_00,
fg_iavg_hth_28_16, fg_iavg_hth_15_00);
return 0;
}
static int hw_info_set(struct mtk_gauge *gauge_dev, struct mtk_gauge_sysfs_field_info *attr, int en)
{
int ret = 0;
int is_iavg_valid;
int avg_current;
int iavg_th;
unsigned int time;
struct gauge_hw_status *gauge_status;
gauge_status = &gauge_dev->hw_status;
/* Set Read Latchdata */
post_gauge_update(gauge_dev);
/* Current_1 */
read_fg_hw_info_current_1(gauge_dev, &gauge_dev->fg_hw_info.current_1);
/* Current_2 */
read_fg_hw_info_current_2(gauge_dev);
/* curr_out = pmic_get_register_value(PMIC_FG_CURRENT_OUT); */
/* fg_offset = pmic_get_register_value(PMIC_FG_OFFSET); */
/* Iavg */
ret = average_current_get(gauge_dev, NULL, &avg_current);
if (ret) {
pr_notice("%s error, ret = %d\n", __func__, ret);
return ret;
}
is_iavg_valid = gauge_dev->fg_hw_info.current_avg_valid;
if ((is_iavg_valid == 1) && (gauge_status->iavg_intr_flag == 0)) {
bm_debug("[read_fg_hw_info]set first fg_set_iavg_intr %d %d\n",
is_iavg_valid, gauge_status->iavg_intr_flag);
gauge_status->iavg_intr_flag = 1;
iavg_th = gauge_dev->gm->fg_cust_data.diff_iavg_th;
ret = fg_set_iavg_intr(gauge_dev, &iavg_th);
} else if (is_iavg_valid == 0) {
gauge_status->iavg_intr_flag = 0;
disable_gauge_irq(gauge_dev, FG_IAVG_H_IRQ);
disable_gauge_irq(gauge_dev, FG_IAVG_L_IRQ);
bm_debug(
"[read_fg_hw_info] doublecheck first fg_set_iavg_intr %d %d\n",
is_iavg_valid, gauge_status->iavg_intr_flag);
}
bm_debug("[read_fg_hw_info] thirdcheck first fg_set_iavg_intr %d %d\n",
is_iavg_valid, gauge_status->iavg_intr_flag);
/* Ncar */
read_fg_hw_info_ncar(gauge_dev);
/* recover read */
post_gauge_update(gauge_dev);
coulomb_get(gauge_dev, NULL, &gauge_dev->fg_hw_info.car);
fgauge_get_time(gauge_dev, &time);
gauge_dev->fg_hw_info.time = time;
bm_debug("[FGADC_intr_end][read_fg_hw_info] curr_1 %d curr_2 %d Iavg %d sign %d car %d ncar %d time %d\n",
gauge_dev->fg_hw_info.current_1,
gauge_dev->fg_hw_info.current_2,
gauge_dev->fg_hw_info.current_avg,
gauge_dev->fg_hw_info.current_avg_sign,
gauge_dev->fg_hw_info.car,
gauge_dev->fg_hw_info.ncar, gauge_dev->fg_hw_info.time);
return 0;
}
static int bat_cycle_intr_threshold_set(struct mtk_gauge *gauge,
struct mtk_gauge_sysfs_field_info *attr, int threshold)
{
struct mt6375_priv *priv = container_of(gauge, struct mt6375_priv, gauge);
long long car = threshold;
long long carReg;
u32 regval;
disable_gauge_irq(gauge, FG_N_CHARGE_L_IRQ);
#if defined(__LP64__) || defined(_LP64)
car = car * 100000 / priv->unit_charge;
/* 1000 * 100 */
#else
car = div_s64(car * 100000, priv->unit_charge);
#endif
if (gauge->hw_status.r_fg_value != priv->default_r_fg) {
car = (car * gauge->hw_status.r_fg_value);
#if defined(__LP64__) || defined(_LP64)
do_div(car, priv->default_r_fg);
#else
car = div_s64(car, priv->default_r_fg);
#endif
}
car = car * 1000;
#if defined(__LP64__) || defined(_LP64)
do_div(car, gauge->gm->fg_cust_data.car_tune_value);
#else
car = div_s64(car, gauge->gm->fg_cust_data.car_tune_value);
#endif
carReg = car;
carReg = 0 - carReg;
regval = carReg & FG_N_CHARGE_TH_MASK;
regmap_raw_write(gauge->regmap, RG_FGADC_NCAR_CON2, &regval, sizeof(regval));
bm_err("car:%d carR:%lld r:%lld\n", threshold, car, carReg);
enable_gauge_irq(gauge, FG_N_CHARGE_L_IRQ);
return 0;
}
static int ncar_reset_set(struct mtk_gauge *gauge, struct mtk_gauge_sysfs_field_info *attr, int val)
{
regmap_update_bits(gauge->regmap, RG_FGADC_CON2, FG_N_CHARGE_RST_MASK,
FG_N_CHARGE_RST_MASK);
udelay(200);
regmap_update_bits(gauge->regmap, RG_FGADC_CON2, FG_N_CHARGE_RST_MASK, 0);
return 0;
}
static int soff_reset_set(struct mtk_gauge *gauge, struct mtk_gauge_sysfs_field_info *attr, int en)
{
return 0;
}
static int zcv_intr_en_set(struct mtk_gauge *gauge, struct mtk_gauge_sysfs_field_info *attr,
int en)
{
static int cnt;
bm_debug("%s %d %d\n", __func__, cnt, en);
cnt = en ? cnt + 1 : cnt - 1;
if (en == 0) {
disable_gauge_irq(gauge, ZCV_IRQ);
regmap_update_bits(gauge->regmap, RG_FGADC_CON0, FG_ZCV_DET_EN_MASK, 0);
mdelay(1);
} else if (en == 1) {
enable_gauge_irq(gauge, ZCV_IRQ);
regmap_update_bits(gauge->regmap, RG_FGADC_CON0, FG_ZCV_DET_EN_MASK,
FG_ZCV_DET_EN_MASK);
}
bm_debug("[FG_ZCV_INT][fg_set_zcv_intr_en] En %d\n", en);
return 0;
}
static int zcv_intr_threshold_set(struct mtk_gauge *gauge, struct mtk_gauge_sysfs_field_info *attr,
int zcv_avg_current)
{
int fg_zcv_det_time;
int fg_zcv_car_th = 0;
fg_zcv_det_time = gauge->gm->fg_cust_data.zcv_suspend_time;
fg_zcv_car_th = (fg_zcv_det_time + 1) * 4 * zcv_avg_current / 60;
bm_debug("[%s] current:%d, fg_zcv_det_time:%d, fg_zcv_car_th:%d\n",
__func__, zcv_avg_current, fg_zcv_det_time, fg_zcv_car_th);
fgauge_set_zcv_intr_internal(gauge, fg_zcv_det_time, fg_zcv_car_th);
return 0;
}
static int bat_plugout_en_set(struct mtk_gauge *gauge, struct mtk_gauge_sysfs_field_info *attr,
int val)
{
if (!!val)
enable_gauge_irq(gauge, BAT_PLUGOUT_IRQ);
else
disable_gauge_irq(gauge, BAT_PLUGOUT_IRQ);
return 0;
}
static int gauge_initialized_get(struct mtk_gauge *gauge, struct mtk_gauge_sysfs_field_info *attr,
int *val)
{
unsigned int fg_reset_status = 0;
regmap_read(gauge->regmap, RG_FGADC_RST_CON0, &fg_reset_status);
*val = fg_reset_status & FG_RSTB_STATUS_MASK;
return 0;
}
static int gauge_initialized_set(struct mtk_gauge *gauge, struct mtk_gauge_sysfs_field_info *attr,
int val)
{
regmap_update_bits(gauge->regmap, RG_FGADC_RST_CON0, FG_RSTB_STATUS_MASK,
val ? FG_RSTB_STATUS_MASK : 0);
return 0;
}
static int reset_fg_rtc_set(struct mtk_gauge *gauge, struct mtk_gauge_sysfs_field_info *attr,
int val)
{
int hw_id = 0x6375;
int temp_value;
u8 spare0_reg, after_rst_spare0_reg;
u8 spare3_reg, after_rst_spare3_reg;
fgauge_read_RTC_boot_status(gauge);
/* read spare0 */
spare0_reg = get_rtc_spare0_fg_value(gauge);
/* raise 15b to reset */
if ((hw_id & 0xff00) == 0x3500) {
temp_value = 0x80;
set_rtc_spare0_fg_value(gauge, temp_value);
mdelay(1);
temp_value = 0x00;
set_rtc_spare0_fg_value(gauge, temp_value);
} else {
temp_value = 0x80;
set_rtc_spare0_fg_value(gauge, temp_value);
mdelay(1);
temp_value = 0x20;
set_rtc_spare0_fg_value(gauge, temp_value);
}
/* read spare0 again */
after_rst_spare0_reg = get_rtc_spare0_fg_value(gauge);
/* read spare3 */
spare3_reg = get_rtc_spare_fg_value(gauge);
/* set spare3 0x7f */
set_rtc_spare_fg_value(gauge, spare3_reg | 0x80);
/* read spare3 again */
after_rst_spare3_reg = get_rtc_spare_fg_value(gauge);
bm_err("[fgauge_read_RTC_boot_status] spare0 0x%x 0x%x, spare3 0x%x 0x%x\n",
spare0_reg, after_rst_spare0_reg, spare3_reg, after_rst_spare3_reg);
if ((after_rst_spare3_reg != (spare3_reg | 0x80)) || (after_rst_spare0_reg != temp_value)) {
after_rst_spare0_reg = get_rtc_spare0_fg_value(gauge);
after_rst_spare3_reg = get_rtc_spare_fg_value(gauge);
bm_err("[%s][retry] spare0 0x%x 0x%x, spare3 0x%x 0x%x\n",
__func__, spare0_reg, after_rst_spare0_reg,
spare3_reg, after_rst_spare3_reg);
#if IS_ENABLED(CONFIG_MTK_AEE_FEATURE)
if ((after_rst_spare3_reg != (spare3_reg | 0x80)) ||
(after_rst_spare0_reg != temp_value))
aee_kernel_warning("BATTERY", "BATTERY: RG_SPARE R/W fail");
#endif
}
return 0;
}
static int nafg_vbat_get(struct mtk_gauge *gauge, struct mtk_gauge_sysfs_field_info *attr,
int *vbat)
{
*vbat = get_nafg_vbat(gauge);
return 0;
}
static int nafg_zcv_set(struct mtk_gauge *gauge, struct mtk_gauge_sysfs_field_info *attr, int zcv)
{
gauge->nafg_zcv_mv = zcv; /* 0.1 mv*/
return 0;
}
static int nafg_en_set(struct mtk_gauge *gauge, struct mtk_gauge_sysfs_field_info *attr, int val)
{
static int cnt;
bm_debug("%s %d %d\n", __func__, cnt, val);
cnt = val ? cnt + 1 : cnt - 1;
if (val) {
enable_gauge_irq(gauge, NAFG_IRQ);
bm_debug("[%s]enable:%d\n", __func__, val);
} else {
disable_gauge_irq(gauge, NAFG_IRQ);
bm_debug("[%s]disable:%d\n", __func__, val);
}
regmap_update_bits(gauge->regmap, RG_AUXADC_NAG_0,
AUXADC_NAG_IRQ_EN_MASK | AUXADC_NAG_EN_MASK,
val ? (AUXADC_NAG_IRQ_EN_MASK | AUXADC_NAG_EN_MASK) : 0);
return 0;
}
static int nafg_c_dltv_get(struct mtk_gauge *gauge, struct mtk_gauge_sysfs_field_info *attr,
int *nafg_c_dltv)
{
signed int nag_c_dltv_value;
signed int nag_c_dltv_value_h;
signed int nag_c_dltv_reg_value;
signed int nag_c_dltv_mv_value;
bool bcheckbit10;
u32 nag_c_dltv_regval = 0;
regmap_raw_read(gauge->regmap, RG_AUXADC_NAG_13, &nag_c_dltv_regval,
sizeof(nag_c_dltv_regval));
nag_c_dltv_regval &= AUXADC_NAG_C_DLTV_MASK;
nag_c_dltv_value = nag_c_dltv_regval & 0xffff;
nag_c_dltv_value_h = nag_c_dltv_regval >> 16;
bcheckbit10 = nag_c_dltv_value_h & 0x0400;
if (gauge->nafg_corner == 1) {
nag_c_dltv_reg_value = (nag_c_dltv_value & 0x7fff);
nag_c_dltv_mv_value = reg_to_mv_value(nag_c_dltv_reg_value);
*nafg_c_dltv = nag_c_dltv_mv_value;
bm_debug("[fg_bat_nafg][%s] mV:Reg[%d:%d] [b10:%d][26_16(0x%04x) 15_00(0x%04x)] corner:%d\n",
__func__, nag_c_dltv_mv_value, nag_c_dltv_reg_value,
bcheckbit10, nag_c_dltv_value_h, nag_c_dltv_value,
gauge->nafg_corner);
return 0;
} else if (gauge->nafg_corner == 2) {
nag_c_dltv_reg_value = (nag_c_dltv_value - 32768);
nag_c_dltv_mv_value = reg_to_mv_value(nag_c_dltv_reg_value);
*nafg_c_dltv = nag_c_dltv_mv_value;
bm_debug("[fg_bat_nafg][%s] mV:Reg[%d:%d] [b10:%d][26_16(0x%04x) 15_00(0x%04x)] corner:%d\n",
__func__, nag_c_dltv_mv_value, nag_c_dltv_reg_value,
bcheckbit10, nag_c_dltv_value_h, nag_c_dltv_value,
gauge->nafg_corner);
return 0;
}
if (bcheckbit10 == 0)
nag_c_dltv_reg_value = (nag_c_dltv_value & 0xffff) +
((nag_c_dltv_value_h & 0x07ff) << 16);
else
nag_c_dltv_reg_value = (nag_c_dltv_value & 0xffff) +
(((nag_c_dltv_value_h | 0xf800) & 0xffff) << 16);
nag_c_dltv_mv_value = reg_to_mv_value(nag_c_dltv_reg_value);
*nafg_c_dltv = nag_c_dltv_mv_value;
bm_debug("[fg_bat_nafg][%s] mV:Reg[%d:%d] [b10:%d][26_16(0x%04x) 15_00(0x%04x)] corner:%d\n",
__func__, nag_c_dltv_mv_value, nag_c_dltv_reg_value,
bcheckbit10, nag_c_dltv_value_h, nag_c_dltv_value, gauge->nafg_corner);
return 0;
}
static int nafg_c_dltv_set(struct mtk_gauge *gauge, struct mtk_gauge_sysfs_field_info *attr,
int c_dltv_mv)
{
gauge->nafg_c_dltv_mv = c_dltv_mv; /* 0.1 mv*/
fgauge_set_nafg_intr_internal(gauge, gauge->gm->fg_cust_data.nafg_time_setting,
gauge->nafg_zcv_mv, gauge->nafg_c_dltv_mv);
return 0;
}
static int nafg_dltv_get(struct mtk_gauge *gauge, struct mtk_gauge_sysfs_field_info *attr,
int *nag_dltv)
{
u16 nag_dltv_reg_value = 0;
signed int nag_dltv_mv_value;
short reg_value;
/*AUXADC_NAG_4*/
regmap_raw_read(gauge->regmap, RG_AUXADC_NAG_11, &nag_dltv_reg_value,
sizeof(nag_dltv_reg_value));
reg_value = nag_dltv_reg_value & 0xffff;
nag_dltv_mv_value = reg_to_mv_value(nag_dltv_reg_value);
*nag_dltv = nag_dltv_mv_value;
bm_debug("[fg_bat_nafg][%s] mV:Reg [%d:%d] [%d:%d]\n", __func__, nag_dltv_mv_value,
nag_dltv_reg_value, reg_to_mv_value(reg_value), reg_value);
return 0;
}
static int nafg_cnt_get(struct mtk_gauge *gauge, struct mtk_gauge_sysfs_field_info *attr,
int *nag_cnt)
{
u32 NAG_C_DLTV_CNT = 0;
regmap_raw_read(gauge->regmap, RG_AUXADC_NAG_7, &NAG_C_DLTV_CNT, sizeof(NAG_C_DLTV_CNT));
*nag_cnt = NAG_C_DLTV_CNT & AUXADC_NAG_CNT_MASK;
bm_debug("[fg_bat_nafg][%s] %d [25_0 %d]\n", __func__, *nag_cnt, NAG_C_DLTV_CNT);
return 0;
}
static int zcv_current_get(struct mtk_gauge *gauge, struct mtk_gauge_sysfs_field_info *attr,
int *zcv_current)
{
struct mt6375_priv *priv = container_of(gauge, struct mt6375_priv, gauge);
u16 uvalue16 = 0;
signed int dvalue = 0;
long long Temp_Value = 0;
regmap_raw_read(gauge->regmap, RG_FGADC_ZCV_CON2, &uvalue16, sizeof(uvalue16));
dvalue = uvalue16;
if (dvalue == 0) {
Temp_Value = (long long) dvalue;
} else if (dvalue > 32767) {
/* > 0x8000 */
Temp_Value = (long long) (dvalue - 65535);
Temp_Value = Temp_Value - (Temp_Value * 2);
} else {
Temp_Value = (long long) dvalue;
}
Temp_Value = Temp_Value * priv->unit_fgcurrent;
#if defined(__LP64__) || defined(_LP64)
do_div(Temp_Value, 100000);
#else
Temp_Value = div_s64(Temp_Value, 100000);
#endif
dvalue = (unsigned int) Temp_Value;
/* Auto adjust value */
if (gauge->gm->fg_cust_data.r_fg_value != priv->default_r_fg) {
bm_debug(
"[fgauge_read_current] Auto adjust value due to the Rfg is %d\n Ori curr=%d",
gauge->gm->fg_cust_data.r_fg_value, dvalue);
dvalue = (dvalue * priv->default_r_fg) / gauge->gm->fg_cust_data.r_fg_value;
bm_debug("[fgauge_read_current] new current=%d\n", dvalue);
}
bm_debug("[fgauge_read_current] ori current=%d\n", dvalue);
dvalue = ((dvalue * gauge->gm->fg_cust_data.car_tune_value) / 1000);
bm_debug("[fgauge_read_current] final current=%d (ratio=%d)\n",
dvalue, gauge->gm->fg_cust_data.car_tune_value);
*zcv_current = dvalue;
return 0;
}
static int zcv_get(struct mtk_gauge *gauge_dev, struct mtk_gauge_sysfs_field_info *attr, int *zcv)
{
signed int adc_result_reg = 0;
signed int adc_result = 0;
u16 regval = 0;
regmap_raw_read(gauge_dev->regmap, RG_AUXADC_ADC_OUT_FGADC_PCHR, &regval, sizeof(regval));
adc_result_reg = regval & AUXADC_ADC_OUT_FGADC_PCHR_MASK;
adc_result = reg_to_mv_value(adc_result_reg);
bm_err("[oam] %s BATSNS (pchr):adc_result_reg=%d, adc_result=%d\n",
__func__, adc_result_reg, adc_result);
*zcv = adc_result;
return 0;
}
static int get_charger_zcv(struct mtk_gauge *gauge_dev)
{
struct power_supply *chg_psy;
union power_supply_propval val;
int ret = 0;
chg_psy = power_supply_get_by_name("mtk-master-charger");
if (chg_psy == NULL) {
bm_err("[%s] can get charger psy\n", __func__);
return -ENODEV;
}
ret = power_supply_get_property(chg_psy,
POWER_SUPPLY_PROP_VOLTAGE_BOOT, &val);
bm_err("[%s]_hw_ocv_chgin=%d, ret=%d\n", __func__, val.intval, ret);
return val.intval;
}
static int boot_zcv_get(struct mtk_gauge *gauge_dev, struct mtk_gauge_sysfs_field_info *attr,
int *val)
{
int _hw_ocv, _sw_ocv;
int _hw_ocv_src;
int _prev_hw_ocv, _prev_hw_ocv_src;
int _hw_ocv_rdy;
int _flag_unreliable;
int _hw_ocv_75_pon;
int _hw_ocv_75_plugin;
int _hw_ocv_75_before_chgin;
int _hw_ocv_75_pon_rdy;
int _hw_ocv_chgin;
int _hw_ocv_chgin_rdy;
int now_temp;
int now_thr;
int tmp_hwocv_chgin = 0;
bool fg_is_charger_exist;
struct mtk_battery *gm;
struct zcv_data *zcvinfo;
struct gauge_hw_status *p;
gm = gauge_dev->gm;
p = &gauge_dev->hw_status;
zcvinfo = &gauge_dev->zcv_info;
_hw_ocv_75_pon_rdy = read_hw_ocv_6375_power_on_rdy(gauge_dev);
_hw_ocv_75_pon = read_hw_ocv_6375_power_on(gauge_dev);
_hw_ocv_75_plugin = read_hw_ocv_6375_plug_in(gauge_dev);
_hw_ocv_75_before_chgin = read_hw_ocv_6375_before_chgin(gauge_dev);
tmp_hwocv_chgin = get_charger_zcv(gauge_dev);
if (tmp_hwocv_chgin != -ENODEV)
_hw_ocv_chgin = tmp_hwocv_chgin / 100;
else
_hw_ocv_chgin = 0;
now_temp = gm->bs_data.bat_batt_temp;
if (gm == NULL)
now_thr = 300;
else {
if (now_temp > gm->ext_hwocv_swocv_lt_temp)
now_thr = gm->ext_hwocv_swocv;
else
now_thr = gm->ext_hwocv_swocv_lt;
}
if (_hw_ocv_chgin < 25000)
_hw_ocv_chgin_rdy = 0;
else
_hw_ocv_chgin_rdy = 1;
/* if preloader records charge in, need to using subpmic as hwocv */
fgauge_get_info(gauge_dev, GAUGE_PROP_PL_CHARGING_STATUS, &zcvinfo->pl_charging_status);
fgauge_set_info(gauge_dev, GAUGE_PROP_PL_CHARGING_STATUS, 0);
fgauge_get_info(gauge_dev, GAUGE_PROP_MONITER_PLCHG_STATUS, &zcvinfo->moniter_plchg_bit);
fgauge_set_info(gauge_dev, GAUGE_PROP_MONITER_PLCHG_STATUS, 0);
if (zcvinfo->pl_charging_status == 1)
fg_is_charger_exist = 1;
else
fg_is_charger_exist = 0;
_hw_ocv = _hw_ocv_75_pon;
_sw_ocv = gauge_dev->hw_status.sw_ocv;
/* _sw_ocv = get_sw_ocv();*/
_hw_ocv_src = FROM_PMIC_PON_ON;
_prev_hw_ocv = _hw_ocv;
_prev_hw_ocv_src = FROM_PMIC_PON_ON;
_flag_unreliable = 0;
if (fg_is_charger_exist) {
_hw_ocv_rdy = _hw_ocv_75_pon_rdy;
if (_hw_ocv_rdy == 1) {
if (_hw_ocv_chgin_rdy == 1) {
_hw_ocv = _hw_ocv_chgin;
_hw_ocv_src = FROM_CHR_IN;
} else {
_hw_ocv = _hw_ocv_75_pon;
_hw_ocv_src = FROM_PMIC_PON_ON;
}
if (abs(_hw_ocv - _sw_ocv) > now_thr) {
_prev_hw_ocv = _hw_ocv;
_prev_hw_ocv_src = _hw_ocv_src;
_hw_ocv = _sw_ocv;
_hw_ocv_src = FROM_SW_OCV;
p->flag_hw_ocv_unreliable = true;
_flag_unreliable = 1;
}
} else {
/* fixme: swocv is workaround */
/* plug charger poweron but charger not ready */
/* should use swocv to workaround */
_hw_ocv = _sw_ocv;
_hw_ocv_src = FROM_SW_OCV;
if (_hw_ocv_chgin_rdy != 1) {
if (abs(_hw_ocv - _sw_ocv) > now_thr) {
_prev_hw_ocv = _hw_ocv;
_prev_hw_ocv_src = _hw_ocv_src;
_hw_ocv = _sw_ocv;
_hw_ocv_src = FROM_SW_OCV;
p->flag_hw_ocv_unreliable = true;
_flag_unreliable = 1;
}
}
}
} else {
if (_hw_ocv_75_pon_rdy == 0) {
_hw_ocv = _sw_ocv;
_hw_ocv_src = FROM_SW_OCV;
}
}
/* final chance to check hwocv */
if (gm != NULL)
if (_hw_ocv < 28000 && (gm->disableGM30 == 0)) {
bm_err("[%s] ERROR, _hw_ocv=%d src:%d, force use swocv\n",
__func__, _hw_ocv, _hw_ocv_src);
_hw_ocv = _sw_ocv;
_hw_ocv_src = FROM_SW_OCV;
}
*val = _hw_ocv;
zcvinfo->charger_zcv = _hw_ocv_chgin;
zcvinfo->pmic_rdy = _hw_ocv_75_pon_rdy;
zcvinfo->pmic_zcv = _hw_ocv_75_pon;
zcvinfo->pmic_in_zcv = _hw_ocv_75_plugin;
zcvinfo->swocv = _sw_ocv;
zcvinfo->zcv_from = _hw_ocv_src;
zcvinfo->zcv_tmp = now_temp;
if (zcvinfo->zcv_1st_read == false) {
zcvinfo->charger_zcv_1st = zcvinfo->charger_zcv;
zcvinfo->pmic_rdy_1st = zcvinfo->pmic_rdy;
zcvinfo->pmic_zcv_1st = zcvinfo->pmic_zcv;
zcvinfo->pmic_in_zcv_1st = zcvinfo->pmic_in_zcv;
zcvinfo->swocv_1st = zcvinfo->swocv;
zcvinfo->zcv_from_1st = zcvinfo->zcv_from;
zcvinfo->zcv_tmp_1st = zcvinfo->zcv_tmp;
zcvinfo->zcv_1st_read = true;
}
gauge_dev->fg_hw_info.pmic_zcv = _hw_ocv_75_pon;
gauge_dev->fg_hw_info.pmic_zcv_rdy = _hw_ocv_75_pon_rdy;
gauge_dev->fg_hw_info.charger_zcv = _hw_ocv_chgin;
gauge_dev->fg_hw_info.hw_zcv = _hw_ocv;
bm_err("[%s] g_fg_is_charger_exist %d _hw_ocv_chgin_rdy %d pl:%d %d\n",
__func__, fg_is_charger_exist, _hw_ocv_chgin_rdy,
zcvinfo->pl_charging_status, zcvinfo->moniter_plchg_bit);
bm_err("[%s] _hw_ocv %d _sw_ocv %d now_thr %d\n",
__func__, _prev_hw_ocv, _sw_ocv, now_thr);
bm_err("[%s] _hw_ocv %d _hw_ocv_src %d _prev_hw_ocv %d _prev_hw_ocv_src %d _flag_unreliable %d\n",
__func__, _hw_ocv, _hw_ocv_src, _prev_hw_ocv, _prev_hw_ocv_src, _flag_unreliable);
bm_err("[%s] _hw_ocv_75_pon_rdy %d _hw_ocv_75_pon %d _hw_ocv_75_plugin %d _hw_ocv_chgin %d _sw_ocv %d now_temp %d now_thr %d\n",
__func__, _hw_ocv_75_pon_rdy, _hw_ocv_75_pon,
_hw_ocv_75_plugin, _hw_ocv_chgin, _sw_ocv, now_temp, now_thr);
bm_err("[%s] _hw_ocv_75_before_chgin %d\n", __func__, _hw_ocv_75_before_chgin);
return 0;
}
static int reset_set(struct mtk_gauge *gauge, struct mtk_gauge_sysfs_field_info *attr,
int threshold)
{
bm_err("[fgauge_hw_reset]\n");
regmap_update_bits(gauge->regmap, RG_FGADC_CON2, FG_CHARGE_RST_MASK | FG_TIME_RST_MASK,
FG_CHARGE_RST_MASK | FG_TIME_RST_MASK);
mdelay(1);
regmap_update_bits(gauge->regmap, RG_FGADC_CON2, FG_CHARGE_RST_MASK | FG_TIME_RST_MASK, 0);
return 0;
}
static int ptim_resist_get(struct mtk_gauge *gauge, struct mtk_gauge_sysfs_field_info *attr,
int *val)
{
int ret;
if (IS_ERR(gauge->chan_ptim_r)) {
bm_err("[%s]chan error\n", __func__);
return -EOPNOTSUPP;
}
ret = iio_read_channel_processed(gauge->chan_ptim_r, val);
if (ret < 0)
bm_err("[%s]read fail,ret=%d\n", __func__, ret);
return ret;
}
static int ptim_battery_voltage_get(struct mtk_gauge *gauge,
struct mtk_gauge_sysfs_field_info *attr, int *val)
{
int ret;
if (IS_ERR(gauge->chan_ptim_bat_voltage)) {
bm_err("[%s]chan error\n", __func__);
return -EOPNOTSUPP;
}
ret = iio_read_channel_processed(gauge->chan_ptim_bat_voltage, val);
if (ret < 0)
bm_err("[%s]read fail,ret=%d\n", __func__, ret);
return ret;
}
static int rtc_ui_soc_get(struct mtk_gauge *gauge, struct mtk_gauge_sysfs_field_info *attr,
int *val)
{
u8 rtc_value;
int rtc_ui_soc = 0;
rtc_value = get_rtc_spare_fg_value(gauge);
rtc_ui_soc = (rtc_value & 0x7f);
*val = rtc_ui_soc;
if (rtc_ui_soc > 100 || rtc_ui_soc < 0)
bm_err("[%s]ERR!rtc=0x%x,ui_soc=%d\n", rtc_value, rtc_ui_soc);
else
bm_debug("[%s]rtc=0x%x,ui_soc=%d\n", rtc_value, rtc_ui_soc);
return 0;
}
static int rtc_ui_soc_set(struct mtk_gauge *gauge, struct mtk_gauge_sysfs_field_info *attr, int val)
{
u8 spare3_reg = get_rtc_spare_fg_value(gauge);
int spare3_reg_valid = 0;
int new_spare3_reg = 0;
int latest_spare3_reg = 0;
spare3_reg_valid = (spare3_reg & 0x80);
new_spare3_reg = spare3_reg_valid + val;
set_rtc_spare_fg_value(gauge, new_spare3_reg);
latest_spare3_reg = get_rtc_spare_fg_value(gauge);
bm_debug("[%s] ui_soc=%d, spare3_reg=0x%x, %x, %x, valid:%d\n",
__func__, val, spare3_reg, new_spare3_reg, latest_spare3_reg, spare3_reg_valid);
if (latest_spare3_reg != new_spare3_reg) {
latest_spare3_reg = get_rtc_spare_fg_value(gauge);
bm_err("[%s][retry] ui_soc=%d, spare3_reg=0x%x, %x, %x, valid:%d\n",
__func__, val, spare3_reg, new_spare3_reg,
latest_spare3_reg, spare3_reg_valid);
#if IS_ENABLED(CONFIG_MTK_AEE_FEATURE)
if (latest_spare3_reg != new_spare3_reg)
aee_kernel_warning("BATTERY", "BATTERY: RG_SPARE R/W fail");
#endif
}
return 1;
}
static void switch_vbat2_det_time(int _prd, int *value)
{
if (_prd >= 1 && _prd < 3)
*value = 0;
else if (_prd >= 3 && _prd < 5)
*value = 1;
else if (_prd >= 5 && _prd < 10)
*value = 2;
else if (_prd >= 10)
*value = 3;
}
static void switch_vbat2_debt_counter(int _prd, int *value)
{
if (_prd >= 1 && _prd < 2)
*value = 0;
else if (_prd >= 2 && _prd < 4)
*value = 1;
else if (_prd >= 4 && _prd < 8)
*value = 2;
else if (_prd >= 8)
*value = 3;
}
static int vbat_lt_set(struct mtk_gauge *gauge, struct mtk_gauge_sysfs_field_info *attr,
int threshold)
{
int vbat2_l_th_mv = threshold;
int vbat2_l_th_reg = mv_to_reg_12_value(gauge, vbat2_l_th_mv);
int vbat2_det_counter = 0;
int vbat2_det_time = 0;
u16 regval;
switch_vbat2_det_time(gauge->hw_status.vbat2_det_time, &vbat2_det_time);
switch_vbat2_debt_counter(gauge->hw_status.vbat2_det_counter, &vbat2_det_counter);
regval = vbat2_l_th_reg & AUXADC_LBAT2_VOLT_MIN_MASK;
regmap_raw_write(gauge->regmap, RG_AUXADC_LBAT2_6, &regval, sizeof(regval));
regmap_update_bits(gauge->regmap, RG_AUXADC_LBAT2_1, AUXADC_LBAT2_DET_PRD_SEL_MASK,
vbat2_det_time << AUXADC_LBAT2_DET_PRD_SEL_SHIFT);
regmap_update_bits(gauge->regmap, RG_AUXADC_LBAT2_1, AUXADC_LBAT2_DEBT_MIN_SEL_MASK,
vbat2_det_counter << AUXADC_LBAT2_DEBT_MIN_SEL_SHIFT);
bm_debug("[fg_set_vbat2_l_th] thr:%d [0x%x %d 0x%x %d 0x%x]\n",
threshold,
vbat2_l_th_reg,
gauge->hw_status.vbat2_det_time, vbat2_det_time,
gauge->hw_status.vbat2_det_counter, vbat2_det_counter);
return 0;
}
static int vbat_ht_set(struct mtk_gauge *gauge, struct mtk_gauge_sysfs_field_info *attr,
int threshold)
{
int vbat2_h_th_mv = threshold;
int vbat2_h_th_reg = mv_to_reg_12_value(gauge, vbat2_h_th_mv);
int vbat2_det_counter = 0;
int vbat2_det_time = 0;
u16 regval;
switch_vbat2_det_time(gauge->hw_status.vbat2_det_time, &vbat2_det_time);
switch_vbat2_debt_counter(gauge->hw_status.vbat2_det_counter, &vbat2_det_counter);
regval = vbat2_h_th_reg & AUXADC_LBAT2_VOLT_MAX_MASK;
regmap_raw_write(gauge->regmap, RG_AUXADC_LBAT2_3, &regval, sizeof(regval));
regmap_update_bits(gauge->regmap, RG_AUXADC_LBAT2_1, AUXADC_LBAT2_DET_PRD_SEL_MASK,
vbat2_det_time << AUXADC_LBAT2_DET_PRD_SEL_SHIFT);
regmap_update_bits(gauge->regmap, RG_AUXADC_LBAT2_1, AUXADC_LBAT2_DEBT_MAX_SEL_MASK,
vbat2_det_counter << AUXADC_LBAT2_DEBT_MAX_SEL_SHIFT);
bm_debug("[fg_set_vbat2_h_th] thr:%d [0x%x %d 0x%x %d 0x%x]\n",
threshold, vbat2_h_th_reg, gauge->hw_status.vbat2_det_time, vbat2_det_time,
gauge->hw_status.vbat2_det_counter, vbat2_det_counter);
return 0;
}
static void enable_lbat2_en(struct mtk_gauge *gauge)
{
if (gauge->vbat_l_en == true || gauge->vbat_h_en == true)
regmap_update_bits(gauge->regmap, RG_AUXADC_LBAT2_0, AUXADC_LBAT2_EN_MASK,
AUXADC_LBAT2_EN_MASK);
if (gauge->vbat_l_en == false && gauge->vbat_h_en == false)
regmap_update_bits(gauge->regmap, RG_AUXADC_LBAT2_0, AUXADC_LBAT2_EN_MASK, 0);
}
static int en_l_vbat_set(struct mtk_gauge *gauge, struct mtk_gauge_sysfs_field_info *attr, int val)
{
static int cnt;
bm_debug("%s %d %d\n", __func__, cnt, val);
cnt = val ? cnt + 1 : cnt - 1;
if (val)
enable_gauge_irq(gauge, VBAT_L_IRQ);
else
disable_gauge_irq(gauge, VBAT_L_IRQ);
regmap_update_bits(gauge->regmap, RG_AUXADC_LBAT2_5,
AUXADC_LBAT2_IRQ_EN_MIN_MASK | AUXADC_LBAT2_DET_MIN_MASK,
val ? (AUXADC_LBAT2_IRQ_EN_MIN_MASK | AUXADC_LBAT2_DET_MIN_MASK) : 0);
gauge->vbat_l_en = !!val;
enable_lbat2_en(gauge);
return 0;
}
static int en_h_vbat_set(struct mtk_gauge *gauge, struct mtk_gauge_sysfs_field_info *attr, int val)
{
if (val)
enable_gauge_irq(gauge, VBAT_H_IRQ);
else
disable_gauge_irq(gauge, VBAT_H_IRQ);
regmap_update_bits(gauge->regmap, RG_AUXADC_LBAT2_2,
AUXADC_LBAT2_IRQ_EN_MAX_MASK | AUXADC_LBAT2_DET_MAX_MASK,
val ? (AUXADC_LBAT2_IRQ_EN_MAX_MASK | AUXADC_LBAT2_DET_MAX_MASK) : 0);
gauge->vbat_h_en = !!val;
enable_lbat2_en(gauge);
return 0;
}
static int mt6375_enable_auxadc_hm(struct mt6375_priv *priv, bool en)
{
static const u8 code[] = { 0x63, 0x63 };
if (en)
return regmap_bulk_write(priv->regmap, HK_TOP_WKEY, code,
ARRAY_SIZE(code));
return regmap_write(priv->regmap, HK_TOP_WKEY, 0);
}
static int mt6375_enable_tm(struct mt6375_priv *priv, bool en)
{
u8 tm_pascode[] = { 0x69, 0x96, 0x63, 0x75 };
if (en)
return regmap_bulk_write(priv->regmap, RG_TM_PASCODE1,
tm_pascode, ARRAY_SIZE(tm_pascode));
return regmap_write(priv->regmap, RG_TM_PASCODE1, 0);
}
static int mt6375_get_vbat_mon_rpt(struct mt6375_priv *priv, int *vbat)
{
struct power_supply *psy;
union power_supply_propval val;
int ret;
u16 data;
psy = devm_power_supply_get_by_phandle(priv->dev, "charger");
if (psy) {
ret = power_supply_get_property(psy, POWER_SUPPLY_PROP_CALIBRATE, &val);
if (ret >= 0)
*vbat = val.intval;
power_supply_put(psy);
} else {
ret = regmap_update_bits(priv->regmap, RG_ADC_CONFG1,
VBAT_MON_EN_MASK, 0xFF);
if (ret < 0)
return ret;
usleep_range(ADC_CONV_TIME_US * 2, ADC_CONV_TIME_US * 3);
ret = regmap_bulk_read(priv->regmap, RG_VBAT_MON_RPT, &data, 2);
if (ret < 0)
dev_notice(priv->dev, "failed to get vbat monitor report\n");
else
*vbat = ADC_FROM_VBAT_RAW(be16_to_cpu(data));
regmap_update_bits(priv->regmap, RG_ADC_CONFG1,
VBAT_MON_EN_MASK, 0);
}
return ret;
}
static int __maybe_unused battery_voltage_cali(struct mtk_gauge *gauge,
struct mtk_gauge_sysfs_field_info *attr,
int *val)
{
struct mt6375_priv *priv = container_of(gauge, struct mt6375_priv, gauge);
int ret = 0;
int chg_vbat, auxadc_vbat, vbat_diff, vbat_diff_sum = 0, vbat_diff_avg;
int chg_vbat_min = INT_MAX, auxadc_vbat_min = INT_MAX;
int chg_vbat_max = 0, auxadc_vbat_max = 0;
int cnt = 0, max_cnt = 5;
int value = 0;
u16 gain_err = priv->gain_err, gain_err_diff;
u16 data = 0;
while (abs(cnt) < max_cnt) {
ret = instant_current(gauge, &value);
if (ret) {
pr_notice("%s error, ret = %d\n", __func__, ret);
return ret;
}
bm_err("%s: cic1 = %d\n", __func__, value);
if (abs(value) > 500) {
bm_err("%s: cic1 out of range(%d)\n", __func__, value);
return -EINVAL;
}
ret = mt6375_get_vbat_mon_rpt(priv, &chg_vbat);
if (ret < 0) {
bm_err("%s: failed to get vbat_mon_rpt\n", __func__);
return ret;
}
ret = iio_read_channel_processed(gauge->chan_bat_voltage,
&auxadc_vbat);
if (ret < 0) {
bm_err("%s: failed to get auxadc_vbat(%d)\n", __func__, ret);
return ret;
}
dev_info(priv->dev, "%s: chg_vbat:%d, auxadc_vbat:%d\n",
__func__, chg_vbat, auxadc_vbat);
chg_vbat_min = min(chg_vbat_min, chg_vbat);
chg_vbat_max = max(chg_vbat_max, chg_vbat);
auxadc_vbat_min = min(auxadc_vbat_min, auxadc_vbat);
auxadc_vbat_max = max(auxadc_vbat_max, auxadc_vbat);
dev_info(priv->dev, "%s: chg_vbat_min:%d, chg_vbat_max:%d\n",
__func__, chg_vbat_min, chg_vbat_max);
dev_info(priv->dev, "%s: auxadc_vbat_min:%d, auxadc_vbat_max:%d\n",
__func__, auxadc_vbat_min, auxadc_vbat_max);
if (chg_vbat_max - chg_vbat_min > HTOL_THRESHOLD_MAX ||
auxadc_vbat_max - auxadc_vbat_min > HTOL_THRESHOLD_MAX) {
bm_err("%s: vbat_diff min/max out of range\n", __func__);
return ret;
}
vbat_diff = chg_vbat - auxadc_vbat;
vbat_diff_sum += vbat_diff;
if (abs(vbat_diff) > HTOL_THRESHOLD_MAX || abs(vbat_diff) < HTOL_THRESHOLD_MIN) {
bm_err("%s: vbat_diff is out of range(%d), no need to calibrate\n",
__func__, vbat_diff);
return ret;
}
if (vbat_diff >= HTOL_THRESHOLD_MIN && cnt++ >= 0)
continue;
else if (vbat_diff <= -HTOL_THRESHOLD_MIN && cnt-- <= 0)
continue;
else
return ret;
}
vbat_diff_avg = vbat_diff_sum / max_cnt;
dev_info(priv->dev, "%s: vbat_diff_avg:%d, gain_err:0x%x, efuse_gain_err:0x%x\n",
__func__, vbat_diff_avg, gain_err, priv->efuse_gain_err);
gain_err += vbat_diff_avg;
gain_err_diff = abs((int)gain_err - (int)priv->efuse_gain_err);
if (abs(gain_err_diff) > HTOL_CALI_MAX) {
bm_err("%s: gain_err_diff out of theshold(%d), adjust HTOL_THRESHOLD_MAX\n",
__func__, gain_err_diff);
if (gain_err > priv->efuse_gain_err)
gain_err = priv->efuse_gain_err + HTOL_CALI_MAX;
else
gain_err = priv->efuse_gain_err - HTOL_CALI_MAX;
return ret;
}
ret = mt6375_enable_auxadc_hm(priv, true);
if (ret < 0)
return ret;
ret = regmap_bulk_write(priv->regmap, AUXADC_EFUSE_GAIN_TRIM, &gain_err, 2);
if (ret < 0)
goto out;
priv->gain_err = gain_err;
out:
mt6375_enable_auxadc_hm(priv, false);
ret = regmap_bulk_read(priv->regmap, AUXADC_EFUSE_GAIN_TRIM, &data, 2);
dev_info(priv->dev, "%s: after cali, gain_err:0x%x\n", __func__, data);
dev_info(priv->dev, "%s: done(%d)\n", __func__, ret);
return ret;
}
static int mt6375_auxadc_init_vbat_calibration(struct mt6375_priv *priv)
{
int ret, offset_trim;
u16 data = 0;
regmap_bulk_read(priv->regmap, AUXADC_EFUSE_OFFSET_TRIM, &offset_trim, 2);
if (offset_trim >= 0x4000) {
bm_err("%s: before handle offset trim signed, offset_trim:0x%x\n",
__func__, offset_trim);
offset_trim = -(0x8000 - offset_trim);
}
priv->offset_trim = offset_trim;
ret = mt6375_enable_auxadc_hm(priv, true);
if (ret < 0)
return ret;
ret = regmap_bulk_read(priv->regmap, AUXADC_EFUSE_GAIN_TRIM, &data, 2);
if (ret < 0) {
mt6375_enable_auxadc_hm(priv, false);
return ret;
}
priv->gain_err = data;
mt6375_enable_auxadc_hm(priv, false);
ret = mt6375_enable_tm(priv, true);
if (ret < 0)
return ret;
ret = regmap_bulk_read(priv->regmap, AUXADC_EFUSE_GAIN_ERR, &data, 2);
if (ret < 0)
bm_err("%s: failed to get auxadc efuse trim\n", __func__);
priv->efuse_gain_err = data;
dev_info(priv->dev, "%s: gain_err:0x%x, efuse_gain_err:0x%x\n", __func__,
priv->gain_err, priv->efuse_gain_err);
return mt6375_enable_tm(priv, false);
}
static int bif_voltage_get(struct mtk_gauge *gauge, struct mtk_gauge_sysfs_field_info *attr,
int *val)
{
int ret;
if (IS_ERR(gauge->chan_bif)) {
bm_err("[%s]chan error\n", __func__);
return -EOPNOTSUPP;
}
ret = iio_read_channel_processed(gauge->chan_bif, val);
if (ret < 0)
bm_err("[%s]read fail,ret=%d\n", __func__, ret);
return ret;
}
static int battery_temperature_adc_get(struct mtk_gauge *gauge,
struct mtk_gauge_sysfs_field_info *attr, int *val)
{
int ret;
if (IS_ERR(gauge->chan_bat_temp)) {
bm_err("[%s]chan error\n", __func__);
return -EOPNOTSUPP;
}
ret = iio_read_channel_processed(gauge->chan_bat_temp, val);
if (ret < 0)
bm_err("[%s]read fail,ret=%d\n", __func__, ret);
return ret;
}
static int __maybe_unused auxadc_reset(struct mt6375_priv *priv)
{
int ret;
ret = mt6375_enable_auxadc_hm(priv, true);
if (ret < 0)
return ret;
ret = regmap_write(priv->regmap, HK_TOP_RST_CON0, RESET_MASK);
if (ret)
goto out;
ret = regmap_write(priv->regmap, HK_TOP_RST_CON0, 0);
if (ret)
goto out;
out:
mt6375_enable_auxadc_hm(priv, false);
return ret;
}
static int bat_vol_get(struct mtk_gauge *gauge, struct mtk_gauge_sysfs_field_info *attr, int *val)
{
struct mt6375_priv *priv = container_of(gauge, struct mt6375_priv, gauge);
int i, ret, vbat_mon;
u32 data = 0;
static long long t1;
static int print_period = 3;
static int dump_reg[] = { 0x236, 0x237, 0x238, 0x31C, 0x31D, 0x338, 0x339,
0x33A, 0x35D, 0x35E, 0x408, 0x409, 0x40A, 0x40B,
0x410, 0x411, 0x416, 0x417, 0x41E, 0x41F, 0x422,
0x423, 0x45C, 0x46E, 0x46F, 0x470, 0x471 };
if (IS_ERR(gauge->chan_bat_voltage)) {
bm_err("[%s]chan error\n", __func__);
return -EOPNOTSUPP;
}
ret = iio_read_channel_processed(gauge->chan_bat_voltage, val);
if (ret < 0) {
bm_err("[%s]read fail,ret=%d\n", __func__, ret);
return ret;
}
if (*val < 1000) {
if (t1 == 0) {
t1 = local_clock();
} else if ((local_clock() - t1) / NSEC_PER_SEC > print_period) {
t1 = local_clock();
ret = mt6375_get_vbat_mon_rpt(priv, &vbat_mon);
bm_err("[%s] vbat_mon = %d(%d)\n", __func__, vbat_mon, ret);
for (i = 0; i < ARRAY_SIZE(dump_reg); i++) {
ret = regmap_read(gauge->regmap, dump_reg[i], &data);
bm_err("[%s] addr:0x%4x, data:0x%x(%d)\n",
__func__, dump_reg[i], data, ret);
}
}
}
return ret;
}
static int hw_version_get(struct mtk_gauge *gauge, struct mtk_gauge_sysfs_field_info *attr,
int *val)
{
*val = GAUGE_HW_V2000;
return 0;
}
static int battery_exist_get(struct mtk_gauge *gauge, struct mtk_gauge_sysfs_field_info *attr,
int *val)
{
unsigned int regval = 0;
int ret = 0;
#if defined(CONFIG_FPGA_EARLY_PORTING)
*val = 0;
return 0;
#endif
ret = regmap_read(gauge->regmap, RG_BATON_ANA_MON0, &regval);
if (ret) {
pr_notice("%s error, ret = %d\n", __func__, ret);
return ret;
}
regval = regval & AD_BATON_UNDET_MASK;
*val = !regval ? 1 : 0;
if (regval) {
ret = regmap_update_bits(gauge->regmap, RG_AUXADC_CON42,
AUXADC_ADC_RDY_PWRON_CLR_MASK,
AUXADC_ADC_RDY_PWRON_CLR_MASK);
if (ret) {
pr_notice("%s error, ret = %d\n", __func__, ret);
return ret;
}
mdelay(1);
ret = regmap_update_bits(gauge->regmap, RG_AUXADC_CON42,
AUXADC_ADC_RDY_PWRON_CLR_MASK, 0);
if (ret) {
pr_notice("%s error, ret = %d\n", __func__, ret);
return ret;
}
}
return 0;
}
static int coulomb_interrupt_lt_set(struct mtk_gauge *gauge,
struct mtk_gauge_sysfs_field_info *attr, int val)
{
struct mt6375_priv *priv = container_of(gauge, struct mt6375_priv, gauge);
u16 temp_car_15_0 = 0;
u16 temp_car_31_16 = 0;
unsigned int uvalue32_car_msb = 0;
signed int lowbound = 0;
u16 lowbound_31_16 = 0, lowbound_15_00 = 0;
signed int value32_car;
long long car = val;
int r_fg_value;
int car_tune_value;
r_fg_value = gauge->hw_status.r_fg_value;
car_tune_value = gauge->gm->fg_cust_data.car_tune_value;
bm_debug("%s car=%d\n", __func__, val);
if (car == 0) {
disable_gauge_irq(gauge, COULOMB_L_IRQ);
return 0;
}
pre_gauge_update(gauge);
regmap_raw_read(gauge->regmap, RG_FGADC_CAR_CON0, &temp_car_15_0, sizeof(temp_car_15_0));
regmap_raw_read(gauge->regmap, RG_FGADC_CAR_CON1, &temp_car_31_16, sizeof(temp_car_31_16));
post_gauge_update(gauge);
uvalue32_car_msb = (temp_car_31_16 & 0x8000) >> 15;
value32_car = temp_car_31_16 << 16 | temp_car_15_0;
bm_debug("[%s] FG_CAR = 0x%x:%d uvalue32_car_msb:0x%x 0x%x 0x%x\r\n",
__func__,
value32_car, value32_car, uvalue32_car_msb,
temp_car_15_0,
temp_car_31_16);
/* gap to register-base */
#if defined(__LP64__) || defined(_LP64)
car = car * 100000 / priv->unit_charge;
/* car * 1000 * 100 */
#else
car = div_s64(car * 100000, priv->unit_charge);
#endif
if (r_fg_value != priv->default_r_fg && priv->default_r_fg != 0)
#if defined(__LP64__) || defined(_LP64)
car = (car * r_fg_value) / priv->default_r_fg;
#else
car = div_s64(car * r_fg_value, priv->default_r_fg);
#endif
#if defined(__LP64__) || defined(_LP64)
car = ((car * 1000) / car_tune_value);
#else
car = div_s64((car * 1000), car_tune_value);
#endif
lowbound = value32_car;
bm_debug("[%s]low=0x%x:%d diff_car=0x%llx:%lld\r\n",
__func__, lowbound, lowbound, car, car);
lowbound = lowbound - car;
lowbound_31_16 = (lowbound & 0xffff0000) >> 16;
lowbound_15_00 = (lowbound & 0xffff);
bm_debug("[%s]final low=0x%x:%d car=0x%llx:%lld\r\n",
__func__, lowbound, lowbound, car, car);
bm_debug("[%s] final low 0x%x 0x%x 0x%x car=0x%llx\n",
__func__, lowbound, lowbound_31_16, lowbound_15_00, car);
disable_gauge_irq(gauge, COULOMB_L_IRQ);
regmap_raw_write(gauge->regmap, RG_FGADC_CARTH_CON0, &lowbound_15_00,
sizeof(lowbound_15_00));
regmap_raw_write(gauge->regmap, RG_FGADC_CARTH_CON1, &lowbound_31_16,
sizeof(lowbound_31_16));
mdelay(1);
enable_gauge_irq(gauge, COULOMB_L_IRQ);
bm_debug("[%s] low:0x%x 0x%x car_value:%d car:%d irq:%d\r\n",
__func__, lowbound_15_00, lowbound_31_16, val, value32_car,
gauge->irq_no[COULOMB_L_IRQ]);
return 0;
}
static int coulomb_interrupt_ht_set(struct mtk_gauge *gauge,
struct mtk_gauge_sysfs_field_info *attr, int val)
{
struct mt6375_priv *priv = container_of(gauge, struct mt6375_priv, gauge);
u16 temp_car_15_0 = 0;
u16 temp_car_31_16 = 0;
unsigned int uvalue32_car_msb = 0;
signed int upperbound = 0;
u16 upperbound_31_16 = 0, upperbound_15_00 = 0;
signed int value32_car;
long long car = val;
int r_fg_value;
int car_tune_value;
r_fg_value = gauge->hw_status.r_fg_value;
car_tune_value = gauge->gm->fg_cust_data.car_tune_value;
bm_debug("%s car=%d\n", __func__, val);
if (car == 0) {
disable_gauge_irq(gauge, COULOMB_H_IRQ);
return 0;
}
pre_gauge_update(gauge);
regmap_raw_read(gauge->regmap, RG_FGADC_CAR_CON0, &temp_car_15_0, sizeof(temp_car_15_0));
regmap_raw_read(gauge->regmap, RG_FGADC_CAR_CON1, &temp_car_31_16, sizeof(temp_car_31_16));
post_gauge_update(gauge);
uvalue32_car_msb = (temp_car_31_16 & 0x8000) >> 15;
value32_car = temp_car_31_16 << 16 | temp_car_15_0;
bm_debug("[%s] FG_CAR = 0x%x:%d uvalue32_car_msb:0x%x 0x%x 0x%x\r\n",
__func__, value32_car, value32_car, uvalue32_car_msb,
temp_car_15_0,
temp_car_31_16);
#if defined(__LP64__) || defined(_LP64)
car = car * 100000 / priv->unit_charge;
#else
car = div_s64(car * 100000, priv->unit_charge);
#endif
if (r_fg_value != priv->default_r_fg && priv->default_r_fg != 0)
#if defined(__LP64__) || defined(_LP64)
car = (car * r_fg_value) /
priv->default_r_fg;
#else
car = div_s64(car * r_fg_value,
priv->default_r_fg);
#endif
#if defined(__LP64__) || defined(_LP64)
car = ((car * 1000) / car_tune_value);
#else
car = div_s64((car * 1000), car_tune_value);
#endif
upperbound = value32_car;
bm_debug("[%s] upper = 0x%x:%d diff_car=0x%llx:%lld\r\n",
__func__, upperbound, upperbound, car, car);
upperbound = upperbound + car;
upperbound_31_16 = (upperbound & 0xffff0000) >> 16;
upperbound_15_00 = (upperbound & 0xffff);
bm_debug("[%s] final upper = 0x%x:%d car=0x%llx:%lld\r\n",
__func__, upperbound, upperbound, car, car);
bm_debug("[%s] final upper 0x%x 0x%x 0x%x car=0x%llx\n",
__func__,
upperbound, upperbound_31_16, upperbound_15_00, car);
disable_gauge_irq(gauge, COULOMB_H_IRQ);
regmap_raw_write(gauge->regmap, RG_FGADC_CARTH_CON2, &upperbound_15_00,
sizeof(upperbound_15_00));
regmap_raw_write(gauge->regmap, RG_FGADC_CARTH_CON3, &upperbound_31_16,
sizeof(upperbound_31_16));
mdelay(1);
enable_gauge_irq(gauge, COULOMB_H_IRQ);
bm_debug("[%s] high:0x%x 0x%x car_value:%d car:%d irq:%d\r\n",
__func__, upperbound_15_00, upperbound_31_16, val, value32_car,
gauge->irq_no[COULOMB_H_IRQ]);
return 0;
}
static int battery_current_get(struct mtk_gauge *gauge, struct mtk_gauge_sysfs_field_info *attr,
int *val)
{
int ret = 0;
ret = instant_current(gauge, val);
if (ret) {
pr_notice("%s error, ret = %d\n", __func__, ret);
return ret;
}
return 0;
}
static int initial_set(struct mtk_gauge *gauge, struct mtk_gauge_sysfs_field_info *attr, int val)
{
int bat_flag = 0;
int is_charger_exist;
u16 rev_val = 0;
regmap_update_bits(gauge->regmap, RG_AUXADC_NAG_0, AUXADC_NAG_PRD_MASK,
2 << AUXADC_NAG_PRD_SHIFT);
fgauge_get_info(gauge, GAUGE_PROP_BAT_PLUG_STATUS, &bat_flag);
fgauge_get_info(gauge, GAUGE_PROP_PL_CHARGING_STATUS, &is_charger_exist);
regmap_raw_read(gauge->regmap, RG_SYSTEM_INFO_CON0, &rev_val, sizeof(rev_val));
bm_err("bat_plug:%d chr:%d info:0x%x\n", bat_flag, is_charger_exist, rev_val);
gauge->hw_status.pl_charger_status = is_charger_exist;
if (is_charger_exist == 1) {
gauge->hw_status.is_bat_plugout = 1;
fgauge_set_info(gauge, GAUGE_PROP_2SEC_REBOOT, 0);
} else
gauge->hw_status.is_bat_plugout = bat_flag ? 0 : 1;
fgauge_set_info(gauge, GAUGE_PROP_BAT_PLUG_STATUS, 1);
/*[12:8], 5 bits*/
gauge->hw_status.bat_plug_out_time = 31;
fgauge_read_RTC_boot_status(gauge);
return 1;
}
static ssize_t gauge_sysfs_store(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
struct power_supply *psy;
struct mtk_gauge *gauge;
struct mtk_gauge_sysfs_field_info *gauge_attr;
int val;
ssize_t ret;
ret = kstrtoint(buf, 0, &val);
if (ret < 0)
return ret;
psy = dev_get_drvdata(dev);
gauge = (struct mtk_gauge *)power_supply_get_drvdata(psy);
gauge_attr = container_of(attr, struct mtk_gauge_sysfs_field_info, attr);
if (gauge_attr->set != NULL) {
mutex_lock(&gauge->ops_lock);
gauge_attr->set(gauge, gauge_attr, val);
mutex_unlock(&gauge->ops_lock);
}
return count;
}
static ssize_t gauge_sysfs_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct power_supply *psy;
struct mtk_gauge *gauge;
struct mtk_gauge_sysfs_field_info *gauge_attr;
int val = 0;
ssize_t count;
psy = dev_get_drvdata(dev);
gauge = (struct mtk_gauge *)power_supply_get_drvdata(psy);
gauge_attr = container_of(attr, struct mtk_gauge_sysfs_field_info, attr);
if (gauge_attr->get != NULL) {
mutex_lock(&gauge->ops_lock);
gauge_attr->get(gauge, gauge_attr, &val);
mutex_unlock(&gauge->ops_lock);
}
count = scnprintf(buf, PAGE_SIZE, "%d\n", val);
return count;
}
/* Must be in the same order as GAUGE_PROP_* */
static struct mtk_gauge_sysfs_field_info mt6375_sysfs_field_tbl[] = {
GAUGE_SYSFS_FIELD_WO(initial_set, GAUGE_PROP_INITIAL),
GAUGE_SYSFS_FIELD_RO(battery_current_get, GAUGE_PROP_BATTERY_CURRENT),
GAUGE_SYSFS_FIELD_RO(coulomb_get, GAUGE_PROP_COULOMB),
GAUGE_SYSFS_FIELD_WO(coulomb_interrupt_ht_set, GAUGE_PROP_COULOMB_HT_INTERRUPT),
GAUGE_SYSFS_FIELD_WO(coulomb_interrupt_lt_set, GAUGE_PROP_COULOMB_LT_INTERRUPT),
GAUGE_SYSFS_FIELD_RO(battery_exist_get, GAUGE_PROP_BATTERY_EXIST),
GAUGE_SYSFS_FIELD_RO(hw_version_get, GAUGE_PROP_HW_VERSION),
GAUGE_SYSFS_FIELD_RO(bat_vol_get, GAUGE_PROP_BATTERY_VOLTAGE),
GAUGE_SYSFS_FIELD_RO(battery_temperature_adc_get, GAUGE_PROP_BATTERY_TEMPERATURE_ADC),
GAUGE_SYSFS_FIELD_RO(bif_voltage_get, GAUGE_PROP_BIF_VOLTAGE),
GAUGE_SYSFS_FIELD_WO(en_h_vbat_set, GAUGE_PROP_EN_HIGH_VBAT_INTERRUPT),
GAUGE_SYSFS_FIELD_WO(en_l_vbat_set, GAUGE_PROP_EN_LOW_VBAT_INTERRUPT),
GAUGE_SYSFS_FIELD_WO(vbat_ht_set, GAUGE_PROP_VBAT_HT_INTR_THRESHOLD),
GAUGE_SYSFS_FIELD_WO(vbat_lt_set, GAUGE_PROP_VBAT_LT_INTR_THRESHOLD),
GAUGE_SYSFS_FIELD_RW(rtc_ui_soc, rtc_ui_soc_set, rtc_ui_soc_get, GAUGE_PROP_RTC_UI_SOC),
GAUGE_SYSFS_FIELD_RO(ptim_battery_voltage_get, GAUGE_PROP_PTIM_BATTERY_VOLTAGE),
GAUGE_SYSFS_FIELD_RO(ptim_resist_get, GAUGE_PROP_PTIM_RESIST),
GAUGE_SYSFS_FIELD_WO(reset_set, GAUGE_PROP_RESET),
GAUGE_SYSFS_FIELD_RO(boot_zcv_get, GAUGE_PROP_BOOT_ZCV),
GAUGE_SYSFS_FIELD_RO(zcv_get, GAUGE_PROP_ZCV),
GAUGE_SYSFS_FIELD_RO(zcv_current_get, GAUGE_PROP_ZCV_CURRENT),
GAUGE_SYSFS_FIELD_RO(nafg_cnt_get, GAUGE_PROP_NAFG_CNT),
GAUGE_SYSFS_FIELD_RO(nafg_dltv_get, GAUGE_PROP_NAFG_DLTV),
GAUGE_SYSFS_FIELD_RW(nafg_c_dltv, nafg_c_dltv_set, nafg_c_dltv_get, GAUGE_PROP_NAFG_C_DLTV),
GAUGE_SYSFS_FIELD_WO(nafg_en_set, GAUGE_PROP_NAFG_EN),
GAUGE_SYSFS_FIELD_WO(nafg_zcv_set, GAUGE_PROP_NAFG_ZCV),
GAUGE_SYSFS_FIELD_RO(nafg_vbat_get, GAUGE_PROP_NAFG_VBAT),
GAUGE_SYSFS_FIELD_WO(reset_fg_rtc_set, GAUGE_PROP_RESET_FG_RTC),
GAUGE_SYSFS_FIELD_RW(gauge_initialized, gauge_initialized_set, gauge_initialized_get,
GAUGE_PROP_GAUGE_INITIALIZED),
GAUGE_SYSFS_FIELD_RO(average_current_get, GAUGE_PROP_AVERAGE_CURRENT),
GAUGE_SYSFS_FIELD_WO(bat_plugout_en_set, GAUGE_PROP_BAT_PLUGOUT_EN),
GAUGE_SYSFS_FIELD_WO(zcv_intr_threshold_set, GAUGE_PROP_ZCV_INTR_THRESHOLD),
GAUGE_SYSFS_FIELD_WO(zcv_intr_en_set, GAUGE_PROP_ZCV_INTR_EN),
GAUGE_SYSFS_FIELD_WO(soff_reset_set, GAUGE_PROP_SOFF_RESET),
GAUGE_SYSFS_FIELD_WO(ncar_reset_set, GAUGE_PROP_NCAR_RESET),
GAUGE_SYSFS_FIELD_WO(bat_cycle_intr_threshold_set, GAUGE_PROP_BAT_CYCLE_INTR_THRESHOLD),
GAUGE_SYSFS_FIELD_WO(hw_info_set, GAUGE_PROP_HW_INFO),
GAUGE_SYSFS_FIELD_WO(event_set, GAUGE_PROP_EVENT),
GAUGE_SYSFS_FIELD_WO(en_bat_tmp_ht_set, GAUGE_PROP_EN_BAT_TMP_HT),
GAUGE_SYSFS_FIELD_WO(en_bat_tmp_lt_set, GAUGE_PROP_EN_BAT_TMP_LT),
GAUGE_SYSFS_FIELD_WO(bat_tmp_ht_threshold_set, GAUGE_PROP_BAT_TMP_HT_THRESHOLD),
GAUGE_SYSFS_FIELD_WO(bat_tmp_lt_threshold_set, GAUGE_PROP_BAT_TMP_LT_THRESHOLD),
GAUGE_SYSFS_INFO_FIELD_RW(info_2sec_reboot, GAUGE_PROP_2SEC_REBOOT),
GAUGE_SYSFS_INFO_FIELD_RW(info_pl_charging_status, GAUGE_PROP_PL_CHARGING_STATUS),
GAUGE_SYSFS_INFO_FIELD_RW(info_monitor_plchg_status, GAUGE_PROP_MONITER_PLCHG_STATUS),
GAUGE_SYSFS_INFO_FIELD_RW(info_bat_plug_status, GAUGE_PROP_BAT_PLUG_STATUS),
GAUGE_SYSFS_INFO_FIELD_RW(info_is_nvram_fail_mode, GAUGE_PROP_IS_NVRAM_FAIL_MODE),
GAUGE_SYSFS_INFO_FIELD_RW(info_monitor_soff_validtime, GAUGE_PROP_MONITOR_SOFF_VALIDTIME),
GAUGE_SYSFS_INFO_FIELD_RW(info_con0_soc, GAUGE_PROP_CON0_SOC),
GAUGE_SYSFS_INFO_FIELD_RW(info_shutdown_car, GAUGE_PROP_SHUTDOWN_CAR),
GAUGE_SYSFS_INFO_FIELD_RW(car_tune_value, GAUGE_PROP_CAR_TUNE_VALUE),
GAUGE_SYSFS_INFO_FIELD_RW(r_fg_value, GAUGE_PROP_R_FG_VALUE),
GAUGE_SYSFS_INFO_FIELD_RW(vbat2_detect_time, GAUGE_PROP_VBAT2_DETECT_TIME),
GAUGE_SYSFS_INFO_FIELD_RW(vbat2_detect_counter, GAUGE_PROP_VBAT2_DETECT_COUNTER),
GAUGE_SYSFS_FIELD_WO(bat_temp_froze_en_set, GAUGE_PROP_BAT_TEMP_FROZE_EN),
GAUGE_SYSFS_FIELD_RO(battery_voltage_cali, GAUGE_PROP_BAT_EOC)
};
static struct attribute *mt6375_sysfs_attrs[GAUGE_PROP_MAX + 1];
static const struct attribute_group mt6375_sysfs_attr_group = {
.attrs = mt6375_sysfs_attrs,
};
static void mt6375_sysfs_init_attrs(void)
{
int i, limit = ARRAY_SIZE(mt6375_sysfs_field_tbl);
for (i = 0; i < limit; i++)
mt6375_sysfs_attrs[i] = &mt6375_sysfs_field_tbl[i].attr.attr;
mt6375_sysfs_attrs[limit] = NULL; /* Has additional entry for this */
}
static int mt6375_sysfs_create_group(struct mtk_gauge *gauge)
{
mt6375_sysfs_init_attrs();
return sysfs_create_group(&gauge->psy->dev.kobj, &mt6375_sysfs_attr_group);
}
signed int battery_meter_meta_tool_cali_car_tune(struct mtk_battery *gm,
int meta_current)
{
int cali_car_tune = 0;
if (meta_current == 0)
return gm->fg_cust_data.car_tune_value * 10;
gm->gauge->hw_status.meta_current = meta_current;
bm_err("%s meta_current=%d\n", __func__, meta_current);
calculate_car_tune(gm->gauge);
cali_car_tune = gm->gauge->hw_status.tmp_car_tune;
bm_err("%s cali_car_tune=%d\n", __func__, cali_car_tune);
return cali_car_tune; /* 1000 base */
}
#if IS_ENABLED(CONFIG_COMPAT)
static long compat_adc_cali_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
{
int adc_out_datas[2] = { 1, 1 };
bm_notice("%s 32bit IOCTL, cmd=0x%08x\n",
__func__, cmd);
if (!filp->f_op || !filp->f_op->unlocked_ioctl) {
bm_err("%s file has no f_op or no f_op->unlocked_ioctl.\n",
__func__);
return -ENOTTY;
}
if (sizeof(arg) != sizeof(adc_out_datas))
return -EFAULT;
switch (cmd) {
case Get_META_BAT_VOL:
case Get_META_BAT_SOC:
case Get_META_BAT_CAR_TUNE_VALUE:
case Set_META_BAT_CAR_TUNE_VALUE:
case Set_BAT_DISABLE_NAFG:
case Set_CARTUNE_TO_KERNEL: {
bm_notice(
"%s send to unlocked_ioctl cmd=0x%08x\n",
__func__,
cmd);
return filp->f_op->unlocked_ioctl(
filp, cmd,
(unsigned long)compat_ptr(arg));
}
break;
default:
bm_err("%s unknown IOCTL: 0x%08x, %d\n",
__func__, cmd, adc_out_datas[0]);
break;
}
return 0;
}
#endif
static long adc_cali_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
int *user_data_addr;
int ret = 0;
int adc_in_data[2] = { 1, 1 };
int adc_out_data[2] = { 1, 1 };
int temp_car_tune;
int isdisNAFG = 0;
struct mtk_battery *gm;
gm = get_mtk_battery();
mutex_lock(&gm->gauge->fg_mutex);
user_data_addr = (int *)arg;
ret = copy_from_user(adc_in_data, user_data_addr, sizeof(adc_in_data));
if (adc_in_data[1] < 0) {
bm_err("%s unknown data: %d\n", __func__, adc_in_data[1]);
mutex_unlock(&gm->gauge->fg_mutex);
return -EFAULT;
}
switch (cmd) {
/* add for meta tool------------------------------- */
case Get_META_BAT_VOL:
adc_out_data[0] =
gauge_get_int_property(GAUGE_PROP_BATTERY_VOLTAGE);
if (copy_to_user(user_data_addr, adc_out_data,
sizeof(adc_out_data))) {
mutex_unlock(&gm->gauge->fg_mutex);
return -EFAULT;
}
bm_notice("**** unlocked_ioctl :Get_META_BAT_VOL Done!\n");
break;
case Get_META_BAT_SOC:
adc_out_data[0] = gm->ui_soc;
if (copy_to_user(user_data_addr, adc_out_data,
sizeof(adc_out_data))) {
mutex_unlock(&gm->gauge->fg_mutex);
return -EFAULT;
}
bm_notice("**** unlocked_ioctl :Get_META_BAT_SOC Done!\n");
break;
case Get_META_BAT_CAR_TUNE_VALUE:
adc_out_data[0] = gm->fg_cust_data.car_tune_value;
bm_err("Get_BAT_CAR_TUNE_VALUE, res=%d\n", adc_out_data[0]);
if (copy_to_user(user_data_addr, adc_out_data,
sizeof(adc_out_data))) {
mutex_unlock(&gm->gauge->fg_mutex);
return -EFAULT;
}
bm_notice("**** unlocked_ioctl :Get_META_BAT_CAR_TUNE_VALUE Done!\n");
break;
case Set_META_BAT_CAR_TUNE_VALUE:
/* meta tool input: adc_in_data[1] (mA)*/
/* Send cali_current to hal to calculate car_tune_value*/
temp_car_tune =
battery_meter_meta_tool_cali_car_tune(gm, adc_in_data[1]);
/* return car_tune_value to meta tool in adc_out_data[0] */
if (temp_car_tune >= 900 && temp_car_tune <= 1100)
gm->fg_cust_data.car_tune_value = temp_car_tune;
else
bm_err("car_tune_value invalid:%d\n",
temp_car_tune);
adc_out_data[0] = temp_car_tune;
if (copy_to_user(user_data_addr, adc_out_data,
sizeof(adc_out_data))) {
mutex_unlock(&gm->gauge->fg_mutex);
return -EFAULT;
}
bm_err("**** unlocked_ioctl Set_BAT_CAR_TUNE_VALUE[%d], tmp_car_tune=%d result=%d, ret=%d\n",
adc_in_data[1], adc_out_data[0], temp_car_tune,
ret);
break;
case Set_BAT_DISABLE_NAFG:
isdisNAFG = adc_in_data[1];
if (isdisNAFG == 1) {
gm->cmd_disable_nafg = true;
wakeup_fg_algo_cmd(
gm,
FG_INTR_KERNEL_CMD,
FG_KERNEL_CMD_DISABLE_NAFG, 1);
} else if (isdisNAFG == 0) {
gm->cmd_disable_nafg = false;
wakeup_fg_algo_cmd(
gm,
FG_INTR_KERNEL_CMD,
FG_KERNEL_CMD_DISABLE_NAFG, 0);
}
bm_debug("unlocked_ioctl Set_BAT_DISABLE_NAFG,isdisNAFG=%d [%d]\n",
isdisNAFG, adc_in_data[1]);
break;
/* add bing meta tool------------------------------- */
case Set_CARTUNE_TO_KERNEL:
temp_car_tune = adc_in_data[1];
if (temp_car_tune > 500 && temp_car_tune < 1500)
gm->fg_cust_data.car_tune_value = temp_car_tune;
bm_err("**** unlocked_ioctl Set_CARTUNE_TO_KERNEL[%d,%d], ret=%d\n",
adc_in_data[0], adc_in_data[1], ret);
break;
default:
bm_err("**** unlocked_ioctl unknown IOCTL: 0x%08x\n", cmd);
mutex_unlock(&gm->gauge->fg_mutex);
return -EINVAL;
}
mutex_unlock(&gm->gauge->fg_mutex);
return 0;
}
static int adc_cali_open(struct inode *inode, struct file *file)
{
return 0;
}
static int adc_cali_release(struct inode *inode, struct file *file)
{
return 0;
}
static const struct file_operations adc_cali_fops = {
.owner = THIS_MODULE,
.unlocked_ioctl = adc_cali_ioctl,
#if IS_ENABLED(CONFIG_COMPAT)
.compat_ioctl = compat_adc_cali_ioctl,
#endif
.open = adc_cali_open,
.release = adc_cali_release,
};
static int adc_cali_cdev_init(struct platform_device *pdev)
{
int ret = 0;
struct class_device *class_dev = NULL;
struct mtk_battery *gm;
gm = get_mtk_battery();
if (gm != NULL)
mutex_init(&gm->gauge->fg_mutex);
ret = alloc_chrdev_region(&bat_cali_devno, 0, 1, BAT_CALI_DEVNAME);
if (ret)
bm_err("Error: Can't Get Major number for adc_cali\n");
bat_cali_cdev = cdev_alloc();
bat_cali_cdev->owner = THIS_MODULE;
bat_cali_cdev->ops = &adc_cali_fops;
ret = cdev_add(bat_cali_cdev, bat_cali_devno, 1);
if (ret)
bm_err("adc_cali Error: cdev_add\n");
bat_cali_major = MAJOR(bat_cali_devno);
bat_cali_class = class_create(THIS_MODULE, BAT_CALI_DEVNAME);
class_dev = (struct class_device *)device_create(bat_cali_class,
NULL,
bat_cali_devno,
NULL, BAT_CALI_DEVNAME);
return 0;
}
static void mtk_gauge_netlink_handler(struct sk_buff *skb)
{
mtk_battery_netlink_handler(skb);
}
static int bat_create_netlink(struct platform_device *pdev)
{
struct mt6375_priv *priv = platform_get_drvdata(pdev);
struct mtk_gauge *gauge = &priv->gauge;
struct netlink_kernel_cfg cfg = {
.input = mtk_gauge_netlink_handler,
};
gauge->gm->mtk_battery_sk =
netlink_kernel_create(&init_net, NETLINK_FGD, &cfg);
if (gauge->gm->mtk_battery_sk == NULL) {
bm_err("netlink_kernel_create error\n");
return -EIO;
}
bm_err("[%s]netlink_kernel_create protol= %d\n",
__func__, NETLINK_FGD);
return 0;
}
static enum power_supply_property gauge_properties[] = {
POWER_SUPPLY_PROP_PRESENT,
POWER_SUPPLY_PROP_ONLINE,
POWER_SUPPLY_PROP_CURRENT_NOW,
POWER_SUPPLY_PROP_ENERGY_EMPTY,
POWER_SUPPLY_PROP_ENERGY_EMPTY_DESIGN,
};
static int get_ptim_current(struct mtk_gauge *gauge)
{
struct mt6375_priv *priv = container_of(gauge, struct mt6375_priv, gauge);
u16 reg_value = 0;
int dvalue;
int r_fg_value;
int car_tune_value;
r_fg_value = gauge->hw_status.r_fg_value;
car_tune_value = gauge->gm->fg_cust_data.car_tune_value;
regmap_raw_read(gauge->regmap, RG_FGADC_R_CON0, &reg_value, sizeof(reg_value));
dvalue = reg_to_current(gauge, reg_value);
/* Auto adjust value */
if (r_fg_value != priv->default_r_fg && r_fg_value != 0)
dvalue = (dvalue * priv->default_r_fg) / r_fg_value;
dvalue = ((dvalue * car_tune_value) / 1000);
/* ptim current >0 means discharge, different to bat_current */
dvalue = dvalue * -1;
bm_debug("[%s]ptim current:%d\n", __func__, dvalue);
return dvalue;
}
static int psy_gauge_get_property(struct power_supply *psy,
enum power_supply_property psp, union power_supply_propval *val)
{
struct mtk_gauge *gauge = power_supply_get_drvdata(psy);
struct mtk_battery *gm;
switch (psp) {
case POWER_SUPPLY_PROP_PRESENT:
/* store disableGM30 status to mtk-gauge psy for DLPT */
if (gauge == NULL || gauge->gm == NULL)
val->intval = 0;
else
val->intval = gauge->gm->disableGM30;
break;
case POWER_SUPPLY_PROP_ONLINE:
if (gauge == NULL || gauge->gm == NULL)
val->intval = 0;
else
val->intval = gauge->gm->disableGM30;
break;
case POWER_SUPPLY_PROP_CURRENT_NOW:
val->intval = get_ptim_current(gauge);
break;
case POWER_SUPPLY_PROP_ENERGY_EMPTY:
gm = gauge->gm;
if (gm != NULL)
val->intval = gm->sdc.shutdown_status.is_dlpt_shutdown;
break;
default:
return -EINVAL;
}
return 0;
}
static int psy_gauge_set_property(struct power_supply *psy,
enum power_supply_property psp,
const union power_supply_propval *val)
{
struct mtk_gauge *gauge = power_supply_get_drvdata(psy);
struct mtk_battery *gm;
int ret = 0;
switch (psp) {
case POWER_SUPPLY_PROP_ONLINE:
pr_notice("%s: %d %d\n", __func__, psp, val->intval);
break;
case POWER_SUPPLY_PROP_ENERGY_EMPTY:
gm = gauge->gm;
if (gm != NULL && val->intval == 1)
set_shutdown_cond(gm, DLPT_SHUTDOWN);
break;
case POWER_SUPPLY_PROP_ENERGY_EMPTY_DESIGN:
gm = gauge->gm;
if (gm != NULL && val->intval != 0) {
gm->imix = val->intval;
if (gm->imix > 5500) {
gm->imix = 5500;
pr_notice("imix check limit 5500:%d\n",
val->intval);
}
}
break;
default:
ret = -EINVAL;
break;
}
return ret;
}
static int mtk_gauge_proprietary_init(struct mt6375_priv *priv)
{
struct mtk_gauge *gauge = &priv->gauge;
const int r_fg_val[] = { 50, 20, 10, 5 };
unsigned int regval;
int ret;
/* Get default r_fg gain error selection, must be set in LK */
ret = regmap_read(priv->regmap, RG_FGADC_ANA_ELR4, &regval);
if (ret)
return ret;
regval &= FG_GAINERR_SEL_MASK;
priv->default_r_fg = r_fg_val[regval];
/* Variable initialization */
gauge->regmap = priv->regmap;
gauge->pdev = to_platform_device(priv->dev);
mutex_init(&gauge->ops_lock);
gauge->hw_status.car_tune_value = 1000;
gauge->attr = mt6375_sysfs_field_tbl;
if (battery_psy_init(gauge->pdev))
return -ENOMEM;
gauge->psy_desc.name = "mtk-gauge";
gauge->psy_desc.type = POWER_SUPPLY_TYPE_UNKNOWN;
gauge->psy_desc.properties = gauge_properties;
gauge->psy_desc.num_properties = ARRAY_SIZE(gauge_properties);
gauge->psy_desc.get_property = psy_gauge_get_property;
gauge->psy_desc.set_property = psy_gauge_set_property;
gauge->psy_cfg.drv_data = gauge;
gauge->psy = power_supply_register(NULL, &gauge->psy_desc, &gauge->psy_cfg);
if (IS_ERR(gauge->psy))
return PTR_ERR(gauge->psy);
mt6375_sysfs_create_group(gauge);
bat_create_netlink(gauge->pdev);
initial_set(gauge, 0, 0);
battery_init(gauge->pdev);
adc_cali_cdev_init(gauge->pdev);
return 0;
}
static void mt6375_gauge_refactor_unit(struct mt6375_priv *priv)
{
struct fuel_gauge_custom_data fg_cust_data = priv->gauge.gm->fg_cust_data;
priv->unit_fgcurrent = UNIT_FGCURRENT;
priv->unit_charge = UNIT_CHARGE;
priv->unit_fg_iavg = UNIT_FG_IAVG;
priv->unit_fgcar_zcv = UNIT_FGCAR_ZCV;
if (priv->gauge.hw_status.r_fg_value == 20)
priv->default_r_fg = 20;
if (fg_cust_data.curr_measure_20a) {
priv->default_r_fg = 10;
priv->unit_fgcurrent *= fg_cust_data.unit_multiple;
priv->unit_charge *= fg_cust_data.unit_multiple;
priv->unit_fg_iavg *= fg_cust_data.unit_multiple;
priv->unit_fgcar_zcv *= fg_cust_data.unit_multiple;
}
pr_notice("%s:20A:%d,r_fg:%d,unit_fg_current:%d,unit_charge:%d,unit_fg_iavg:%d,unit_fgcar_zcv:%d\n",
__func__,
priv->gauge.gm->fg_cust_data.curr_measure_20a,
priv->default_r_fg,
priv->unit_fgcurrent,
priv->unit_charge,
priv->unit_fg_iavg,
priv->unit_fgcar_zcv);
}
static int mt6375_gauge_probe(struct platform_device *pdev)
{
struct mt6375_priv *priv;
int ret;
priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
if (!priv)
return -ENOMEM;
priv->dev = &pdev->dev;
mutex_init(&priv->irq_lock);
platform_set_drvdata(pdev, priv);
priv->regmap = dev_get_regmap(pdev->dev.parent, NULL);
if (!priv->regmap) {
dev_err(&pdev->dev, "Failed to get regmap\n");
return -ENODEV;
}
priv->irq = platform_get_irq(pdev, 0);
if (priv->irq < 0) {
dev_err(&pdev->dev, "Failed to get gm30 irq\n");
return priv->irq;
}
ret = gauge_add_irq_chip(priv);
if (ret) {
dev_err(&pdev->dev, "Failed to add irq chip\n");
return ret;
}
ret = gauge_get_all_auxadc_channels(priv);
if (ret) {
dev_err(&pdev->dev, "Failed to get all auxadc\n");
goto out_irq_chip;
}
ret = mt6375_auxadc_init_vbat_calibration(priv);
if (ret) {
dev_notice(&pdev->dev, "Failed to init vbat calibration\n");
goto out_irq_chip;
}
ret = gauge_get_all_interrupts(priv);
if (ret) {
dev_err(&pdev->dev, "Failed to get all interrupts\n");
goto out_irq_chip;
}
ret = mtk_gauge_proprietary_init(priv);
if (ret) {
dev_err(&pdev->dev, "Failed to do mtk gauge init\n");
goto out_irq_chip;
}
mt6375_gauge_refactor_unit(priv);
return 0;
out_irq_chip:
gauge_del_irq_chip(priv);
return ret;
}
static int mt6375_gauge_remove(struct platform_device *pdev)
{
struct mt6375_priv *priv = platform_get_drvdata(pdev);
gauge_del_irq_chip(priv);
return 0;
}
static void mt6375_gauge_shutdown(struct platform_device *pdev)
{
struct mt6375_priv *priv = platform_get_drvdata(pdev);
struct mtk_battery *gm = priv->gauge.gm;
if (gm->shutdown)
gm->shutdown(gm);
}
static int __maybe_unused mt6375_gauge_suspend(struct device *dev)
{
struct mt6375_priv *priv = dev_get_drvdata(dev);
struct mtk_battery *gm = priv->gauge.gm;
pm_message_t state = { .event = 0, };
if (gm->suspend)
gm->suspend(gm, state);
return 0;
}
static int __maybe_unused mt6375_gauge_resume(struct device *dev)
{
struct mt6375_priv *priv = dev_get_drvdata(dev);
struct mtk_battery *gm = priv->gauge.gm;
if (gm->resume)
gm->resume(gm);
return 0;
}
static SIMPLE_DEV_PM_OPS(mt6375_gauge_pm_ops, mt6375_gauge_suspend, mt6375_gauge_resume);
static const struct of_device_id __maybe_unused mt6375_gauge_of_match[] = {
{ .compatible = "mediatek,mt6375-gauge", },
{ }
};
MODULE_DEVICE_TABLE(of, mt6375_gauge_of_match);
static struct platform_driver mt6375_gauge_driver = {
.probe = mt6375_gauge_probe,
.remove = mt6375_gauge_remove,
.shutdown = mt6375_gauge_shutdown,
.driver = {
.name = "mt6375-gauge",
.pm = &mt6375_gauge_pm_ops,
.of_match_table = mt6375_gauge_of_match,
},
};
module_platform_driver(mt6375_gauge_driver);
MODULE_AUTHOR("ChiYuan Huang <cy_huang@richtek.com>");
MODULE_DESCRIPTION("MT6375 Gauge Driver");
MODULE_LICENSE("GPL v2");