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kernel_samsung_a34x-permissive/drivers/power/supply/mtk_pe2_hal.c
Fede2782 6db4831e98
Import A346BXXU4BWK2 kernel source 
Android 14
2024-04-28 15:51:13 +02:00

642 lines
14 KiB
C
Raw Blame History

// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (c) 2019 MediaTek Inc.
*/
/*
*
* Filename:
* ---------
* mtk_charger.c
*
* Project:
* --------
* Android_Software
*
* Description:
* ------------
* This Module defines functions of Battery charging
*
* Author:
* -------
* Wy Chuang
*
*/
#include <linux/init.h> /* For init/exit macros */
#include <linux/module.h> /* For MODULE_ marcros */
#include <linux/fs.h>
#include <linux/device.h>
#include <linux/interrupt.h>
#include <linux/spinlock.h>
#include <linux/platform_device.h>
#include <linux/device.h>
#include <linux/kdev_t.h>
#include <linux/fs.h>
#include <linux/cdev.h>
#include <linux/delay.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/types.h>
#include <linux/wait.h>
#include <linux/slab.h>
#include <linux/fs.h>
#include <linux/sched.h>
#include <linux/poll.h>
#include <linux/power_supply.h>
#include <linux/pm_wakeup.h>
#include <linux/time.h>
#include <linux/mutex.h>
#include <linux/kthread.h>
#include <linux/proc_fs.h>
#include <linux/platform_device.h>
#include <linux/seq_file.h>
#include <linux/scatterlist.h>
#include <linux/suspend.h>
#include <linux/of.h>
#include <linux/of_irq.h>
#include <linux/of_address.h>
#include <linux/reboot.h>
/* necessary header */
#include "mtk_pe2.h"
#include "charger_class.h"
/* dependent on platform */
#include "mtk_charger.h"
struct pe20_hal {
struct charger_device *chg1_dev;
struct charger_device *chg2_dev;
};
int pe2_hal_init_hardware(struct chg_alg_device *alg)
{
struct mtk_pe20 *pe2;
struct pe20_hal *hal;
pr_notice("%s\n", __func__);
if (alg == NULL) {
pr_notice("%s: alg is null\n", __func__);
return -EINVAL;
}
pe2 = dev_get_drvdata(&alg->dev);
hal = chg_alg_dev_get_drv_hal_data(alg);
if (hal == NULL) {
hal = devm_kzalloc(&pe2->pdev->dev, sizeof(*hal), GFP_KERNEL);
if (!hal)
return -ENOMEM;
chg_alg_dev_set_drv_hal_data(alg, hal);
}
hal->chg1_dev = get_charger_by_name("primary_chg");
if (hal->chg1_dev)
pr_notice("%s: Found primary charger\n", __func__);
else {
pr_notice("%s: Error : can't find primary charger\n",
__func__);
return -ENODEV;
}
hal->chg2_dev = get_charger_by_name("secondary_chg");
if (hal->chg2_dev)
pr_notice("%s: Found secondary charger\n", __func__);
else
pr_notice("%s: Error : can't find secondary charger\n",
__func__);
return 0;
}
int pe2_hal_set_efficiency_table(struct chg_alg_device *alg)
{
struct pe20_hal *hal;
if (alg == NULL)
return -EINVAL;
hal = chg_alg_dev_get_drv_hal_data(alg);
charger_dev_set_pe20_efficiency_table(hal->chg1_dev);
return 0;
}
int pe2_hal_get_uisoc(struct chg_alg_device *alg)
{
union power_supply_propval prop;
struct power_supply *bat_psy = NULL;
int ret = 50;
struct mtk_pe20 *pe2;
if (alg == NULL)
return -EINVAL;
pe2 = dev_get_drvdata(&alg->dev);
bat_psy = pe2->bat_psy;
if (bat_psy == NULL || IS_ERR(bat_psy)) {
pr_notice("%s retry to get pe2->bat_psy\n", __func__);
bat_psy = devm_power_supply_get_by_phandle(&pe2->pdev->dev, "gauge");
pe2->bat_psy = bat_psy;
}
if (bat_psy == NULL || IS_ERR(bat_psy)) {
pr_notice("%s Couldn't get bat_psy\n", __func__);
ret = 50;
} else {
ret = power_supply_get_property(bat_psy,
POWER_SUPPLY_PROP_CAPACITY, &prop);
ret = prop.intval;
}
pr_notice("%s:%d\n", __func__,
ret);
return ret;
}
int pe2_hal_get_charger_type(struct chg_alg_device *alg)
{
struct mtk_charger *info = NULL;
struct power_supply *chg_psy = NULL;
int ret = 0;
if (alg == NULL)
return -EINVAL;
chg_psy = power_supply_get_by_name("mtk-master-charger");
if (chg_psy == NULL || IS_ERR(chg_psy)) {
pr_notice("%s Couldn't get chg_psy\n", __func__);
ret = -EINVAL;
} else {
info = (struct mtk_charger *)power_supply_get_drvdata(chg_psy);
if (info == NULL)
ret = -EINVAL;
else
ret = info->chr_type;
}
pr_notice("%s type:%d\n", __func__, ret);
return ret;
}
int pe2_hal_set_mivr(struct chg_alg_device *alg, enum chg_idx chgidx, int uV)
{
int ret = 0;
bool chg2_chip_enabled = false;
struct mtk_pe20 *pe2;
struct pe20_hal *hal;
if (alg == NULL)
return -EINVAL;
pe2 = dev_get_drvdata(&alg->dev);
hal = chg_alg_dev_get_drv_hal_data(alg);
ret = charger_dev_set_mivr(hal->chg1_dev, uV);
if (ret < 0)
pr_notice("%s: failed, ret = %d\n", __func__, ret);
if (hal->chg2_dev) {
charger_dev_is_chip_enabled(hal->chg2_dev,
&chg2_chip_enabled);
if (chg2_chip_enabled) {
ret = charger_dev_set_mivr(hal->chg2_dev,
uV + pe2->pe2_slave_mivr_diff);
if (ret < 0)
pr_info("%s: chg2 failed, ret = %d\n", __func__,
ret);
}
}
return ret;
}
int pe2_hal_get_charger_cnt(struct chg_alg_device *alg)
{
struct pe20_hal *hal;
int cnt = 0;
if (alg == NULL)
return -EINVAL;
hal = chg_alg_dev_get_drv_hal_data(alg);
if (hal->chg1_dev != NULL)
cnt++;
if (hal->chg2_dev != NULL)
cnt++;
return cnt;
}
bool pe2_hal_is_chip_enable(struct chg_alg_device *alg, enum chg_idx chgidx)
{
struct pe20_hal *hal;
bool is_chip_enable = false;
if (alg == NULL)
return -EINVAL;
hal = chg_alg_dev_get_drv_hal_data(alg);
if (chgidx == CHG1)
charger_dev_is_chip_enabled(hal->chg1_dev,
&is_chip_enable);
else if (chgidx == CHG2)
charger_dev_is_chip_enabled(hal->chg2_dev,
&is_chip_enable);
return is_chip_enable;
}
int pe2_hal_enable_charger(struct chg_alg_device *alg,
enum chg_idx chgidx, bool en)
{
struct pe20_hal *hal;
int ret;
if (alg == NULL)
return -EINVAL;
hal = chg_alg_dev_get_drv_hal_data(alg);
if (chgidx == CHG1 && hal->chg1_dev != NULL)
ret = charger_dev_enable(hal->chg1_dev, en);
else if (chgidx == CHG2 && hal->chg2_dev != NULL)
ret = charger_dev_enable(hal->chg2_dev, en);
pr_notice("%s idx:%d %d\n", __func__, chgidx, en);
return 0;
}
int pe2_hal_is_charger_enable(struct chg_alg_device *alg,
enum chg_idx chgidx, bool *en)
{
struct pe20_hal *hal;
int ret;
if (alg == NULL)
return -EINVAL;
hal = chg_alg_dev_get_drv_hal_data(alg);
if (chgidx == CHG1 && hal->chg1_dev != NULL)
ret = charger_dev_is_enabled(hal->chg1_dev, en);
else if (chgidx == CHG2 && hal->chg2_dev != NULL)
ret = charger_dev_is_enabled(hal->chg2_dev, en);
pr_notice("%s idx:%d %d\n", __func__, chgidx, *en);
return 0;
}
int pe2_hal_reset_ta(struct chg_alg_device *alg, enum chg_idx chgidx)
{
struct pe20_hal *hal;
int ret;
if (alg == NULL)
return -EINVAL;
hal = chg_alg_dev_get_drv_hal_data(alg);
ret = charger_dev_reset_ta(hal->chg1_dev);
if (ret != 0) {
pr_notice("%s: fail ,ret=%d\n", __func__, ret);
return -1;
}
return 0;
}
static int get_pmic_vbus(int *vchr)
{
union power_supply_propval prop;
static struct power_supply *chg_psy;
int ret;
if (chg_psy == NULL)
chg_psy = power_supply_get_by_name("mtk_charger_type");
if (chg_psy == NULL || IS_ERR(chg_psy)) {
pr_notice("%s Couldn't get chg_psy\n", __func__);
ret = -1;
} else {
ret = power_supply_get_property(chg_psy,
POWER_SUPPLY_PROP_VOLTAGE_NOW, &prop);
}
*vchr = prop.intval * 1000;
pr_notice("%s vbus:%d\n", __func__,
prop.intval);
return ret;
}
int pe2_hal_get_vbus(struct chg_alg_device *alg)
{
int ret = 0;
int vchr = 0;
struct pe20_hal *hal;
if (alg == NULL)
return -EINVAL;
hal = chg_alg_dev_get_drv_hal_data(alg);
ret = charger_dev_get_vbus(hal->chg1_dev, &vchr);
if (ret < 0) {
ret = get_pmic_vbus(&vchr);
if (ret < 0)
pr_notice("%s: get vbus failed: %d\n", __func__, ret);
}
return vchr;
}
int pe2_hal_get_vbat(struct chg_alg_device *alg)
{
union power_supply_propval prop;
struct power_supply *bat_psy = NULL;
int ret;
struct mtk_pe20 *pe2;
if (alg == NULL)
return -EINVAL;
pe2 = dev_get_drvdata(&alg->dev);
bat_psy = pe2->bat_psy;
if (bat_psy == NULL || IS_ERR(bat_psy)) {
pr_notice("%s retry to get pe2->bat_psy\n", __func__);
bat_psy = devm_power_supply_get_by_phandle(&pe2->pdev->dev, "gauge");
pe2->bat_psy = bat_psy;
}
if (bat_psy == NULL || IS_ERR(bat_psy)) {
pr_notice("%s Couldn't get bat_psy\n", __func__);
ret = 3999;
} else {
ret = power_supply_get_property(bat_psy,
POWER_SUPPLY_PROP_VOLTAGE_NOW, &prop);
ret = prop.intval;
}
pr_debug("%s:%d\n", __func__,
ret);
return ret;
}
int pe2_hal_get_ibat(struct chg_alg_device *alg)
{
union power_supply_propval prop;
struct power_supply *bat_psy = NULL;
int ret;
struct mtk_pe20 *pe2;
if (alg == NULL)
return -EINVAL;
pe2 = dev_get_drvdata(&alg->dev);
bat_psy = pe2->bat_psy;
if (bat_psy == NULL || IS_ERR(bat_psy)) {
pr_notice("%s retry to get pe2->bat_psy\n", __func__);
bat_psy = devm_power_supply_get_by_phandle(&pe2->pdev->dev, "gauge");
pe2->bat_psy = bat_psy;
}
if (bat_psy == NULL || IS_ERR(bat_psy)) {
pr_notice("%s Couldn't get bat_psy\n", __func__);
ret = 0;
} else {
ret = power_supply_get_property(bat_psy,
POWER_SUPPLY_PROP_CURRENT_NOW, &prop);
ret = prop.intval;
}
pr_debug("%s:%d\n", __func__,
ret);
return ret;
}
int pe2_hal_enable_cable_drop_comp(struct chg_alg_device *alg,
bool en)
{
struct pe20_hal *hal;
if (alg == NULL)
return -EINVAL;
hal = chg_alg_dev_get_drv_hal_data(alg);
return charger_dev_enable_cable_drop_comp(hal->chg1_dev, false);
}
int pe2_hal_set_cv(struct chg_alg_device *alg,
enum chg_idx chgidx, u32 uv)
{
struct pe20_hal *hal;
if (alg == NULL)
return -EINVAL;
hal = chg_alg_dev_get_drv_hal_data(alg);
if (chgidx == CHG1 && hal->chg1_dev != NULL)
charger_dev_set_constant_voltage(hal->chg1_dev,
uv);
else if (chgidx == CHG2 && hal->chg2_dev != NULL)
charger_dev_set_constant_voltage(hal->chg2_dev,
uv);
return 0;
}
int pe2_hal_set_charging_current(struct chg_alg_device *alg,
enum chg_idx chgidx, u32 ua)
{
struct pe20_hal *hal;
if (alg == NULL)
return -EINVAL;
hal = chg_alg_dev_get_drv_hal_data(alg);
if (chgidx == CHG1 && hal->chg1_dev != NULL)
charger_dev_set_charging_current(hal->chg1_dev, ua);
else if (chgidx == CHG2 && hal->chg2_dev != NULL)
charger_dev_set_charging_current(hal->chg2_dev, ua);
pr_notice("%s idx:%d %d\n", __func__, chgidx, ua);
return 0;
}
int pe2_hal_get_charging_current(struct chg_alg_device *alg,
enum chg_idx chgidx, u32 *ua)
{
struct pe20_hal *hal;
if (alg == NULL)
return -EINVAL;
hal = chg_alg_dev_get_drv_hal_data(alg);
if (chgidx == CHG1 && hal->chg1_dev != NULL)
charger_dev_get_charging_current(hal->chg1_dev, ua);
else if (chgidx == CHG2 && hal->chg2_dev != NULL)
charger_dev_get_charging_current(hal->chg2_dev, ua);
pr_notice("%s idx:%d %d\n", __func__, chgidx, ua);
return 0;
}
int pe2_hal_set_input_current(struct chg_alg_device *alg,
enum chg_idx chgidx, u32 ua)
{
struct pe20_hal *hal;
if (alg == NULL)
return -EINVAL;
hal = chg_alg_dev_get_drv_hal_data(alg);
if (chgidx == CHG1 && hal->chg1_dev != NULL)
charger_dev_set_input_current(hal->chg1_dev, ua);
else if (chgidx == CHG2 && hal->chg2_dev != NULL)
charger_dev_set_input_current(hal->chg2_dev, ua);
pr_notice("%s idx:%d %d\n", __func__, chgidx, ua);
return 0;
}
int pe2_hal_get_mivr_state(struct chg_alg_device *alg,
enum chg_idx chgidx, bool *in_loop)
{
struct pe20_hal *hal;
if (alg == NULL)
return -EINVAL;
hal = chg_alg_dev_get_drv_hal_data(alg);
if (chgidx == CHG1 && hal->chg1_dev != NULL)
charger_dev_get_mivr_state(hal->chg1_dev, in_loop);
else if (chgidx == CHG2 && hal->chg2_dev != NULL)
charger_dev_get_mivr_state(hal->chg2_dev, in_loop);
return 0;
}
int pe2_hal_send_ta20_current_pattern(struct chg_alg_device *alg,
u32 uV)
{
struct pe20_hal *hal;
if (alg == NULL)
return -EINVAL;
hal = chg_alg_dev_get_drv_hal_data(alg);
return charger_dev_send_ta20_current_pattern(hal->chg1_dev,
uV);
}
int pe2_hal_enable_vbus_ovp(struct chg_alg_device *alg, bool enable)
{
mtk_chg_enable_vbus_ovp(enable);
return 0;
}
int pe2_hal_charger_enable_chip(struct chg_alg_device *alg,
enum chg_idx chgidx, bool enable)
{
struct pe20_hal *hal;
int ret;
if (alg == NULL)
return -EINVAL;
hal = chg_alg_dev_get_drv_hal_data(alg);
if (chgidx == CHG1 && hal->chg1_dev != NULL)
ret = charger_dev_enable_chip(hal->chg1_dev, enable);
else if (chgidx == CHG2 && hal->chg2_dev != NULL) {
pr_notice("%s idx:%d %d test\n", __func__, chgidx, enable);
ret = charger_dev_enable_chip(hal->chg2_dev, enable);
}
pr_notice("%s idx:%d %d %d\n", __func__, chgidx, enable,
hal->chg2_dev != NULL);
return 0;
}
int pe2_hal_set_eoc_current(struct chg_alg_device *alg,
enum chg_idx chgidx, u32 uA)
{
struct pe20_hal *hal;
int ret;
if (alg == NULL)
return -EINVAL;
hal = chg_alg_dev_get_drv_hal_data(alg);
if (chgidx == CHG1 && hal->chg1_dev != NULL)
ret = charger_dev_set_eoc_current(hal->chg1_dev, uA);
if (chgidx == CHG2 && hal->chg2_dev != NULL)
ret = charger_dev_set_eoc_current(hal->chg2_dev, uA);
pr_notice("%s idx:%d %d\n", __func__, chgidx, uA);
return 0;
}
int pe2_hal_enable_termination(struct chg_alg_device *alg,
enum chg_idx chgidx, bool enable)
{
struct pe20_hal *hal;
int ret;
if (alg == NULL)
return -EINVAL;
hal = chg_alg_dev_get_drv_hal_data(alg);
if (chgidx == CHG1 && hal->chg1_dev != NULL)
ret = charger_dev_enable_termination(hal->chg1_dev, enable);
if (chgidx == CHG2 && hal->chg2_dev != NULL)
ret = charger_dev_enable_termination(hal->chg2_dev, enable);
pr_notice("%s idx:%d %d\n", __func__, chgidx, enable);
return 0;
}
int pe2_hal_get_min_charging_current(struct chg_alg_device *alg,
enum chg_idx chgidx, u32 *uA)
{
struct pe20_hal *hal;
int ret;
if (alg == NULL)
return -EINVAL;
hal = chg_alg_dev_get_drv_hal_data(alg);
if (chgidx == CHG1 && hal->chg1_dev != NULL)
ret = charger_dev_get_min_charging_current(hal->chg1_dev, uA);
if (chgidx == CHG2 && hal->chg2_dev != NULL)
ret = charger_dev_get_min_charging_current(hal->chg2_dev, uA);
pr_notice("%s idx:%d %d\n", __func__, chgidx, *uA);
return 0;
}
int pe2_hal_get_min_input_current(struct chg_alg_device *alg,
enum chg_idx chgidx, u32 *uA)
{
struct pe20_hal *hal;
int ret;
if (alg == NULL)
return -EINVAL;
hal = chg_alg_dev_get_drv_hal_data(alg);
if (chgidx == CHG1 && hal->chg1_dev != NULL)
ret = charger_dev_get_min_input_current(hal->chg1_dev, uA);
if (chgidx == CHG2 && hal->chg2_dev != NULL)
ret = charger_dev_get_min_input_current(hal->chg2_dev, uA);
pr_notice("%s idx:%d %d\n", __func__, chgidx, *uA);
return 0;
}
int pe2_hal_safety_check(struct chg_alg_device *alg,
int ieoc)
{
struct pe20_hal *hal;
if (alg == NULL)
return -EINVAL;
hal = chg_alg_dev_get_drv_hal_data(alg);
charger_dev_safety_check(hal->chg1_dev,
ieoc);
return 0;
}
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