mirror of
https://github.com/AetherDroid/android_kernel_samsung_on5xelte.git
synced 2025-09-08 17:18:05 -04:00
Fixed MTP to work with TWRP
This commit is contained in:
awab228
commit
f6dfaef42e
50820 changed files with 20846062 additions and 0 deletions
409
drivers/battery/sec_charger.c
Normal file
409
drivers/battery/sec_charger.c
Normal file
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@ -0,0 +1,409 @@
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/*
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* sec_charger.c
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* Samsung Mobile Charger Driver
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*
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* Copyright (C) 2012 Samsung Electronics
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*
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <linux/battery/sec_charger.h>
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static enum power_supply_property sec_charger_props[] = {
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POWER_SUPPLY_PROP_STATUS,
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POWER_SUPPLY_PROP_CHARGE_TYPE,
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POWER_SUPPLY_PROP_HEALTH,
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POWER_SUPPLY_PROP_ONLINE,
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POWER_SUPPLY_PROP_CURRENT_NOW,
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};
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static int sec_chg_get_property(struct power_supply *psy,
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enum power_supply_property psp,
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union power_supply_propval *val)
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{
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struct sec_charger_info *charger =
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container_of(psy, struct sec_charger_info, psy_chg);
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switch (psp) {
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case POWER_SUPPLY_PROP_ONLINE:
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val->intval = charger->charging_current ? 1 : 0;
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break;
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case POWER_SUPPLY_PROP_STATUS:
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case POWER_SUPPLY_PROP_CHARGE_TYPE:
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case POWER_SUPPLY_PROP_HEALTH:
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case POWER_SUPPLY_PROP_CURRENT_NOW:
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if (!sec_hal_chg_get_property(charger->client, psp, val))
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return -EINVAL;
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break;
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default:
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return -EINVAL;
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}
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return 0;
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}
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static int sec_chg_set_property(struct power_supply *psy,
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enum power_supply_property psp,
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const union power_supply_propval *val)
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{
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struct sec_charger_info *charger =
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container_of(psy, struct sec_charger_info, psy_chg);
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switch (psp) {
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/* val->intval : type */
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case POWER_SUPPLY_PROP_STATUS:
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charger->status = val->intval;
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break;
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case POWER_SUPPLY_PROP_ONLINE:
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charger->cable_type = val->intval;
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if (val->intval == POWER_SUPPLY_TYPE_BATTERY)
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charger->is_charging = false;
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else
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charger->is_charging = true;
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/* current setting */
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charger->charging_current =
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charger->pdata->charging_current[
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val->intval].fast_charging_current;
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if (!sec_hal_chg_set_property(charger->client, psp, val))
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return -EINVAL;
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break;
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/* val->intval : charging current */
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case POWER_SUPPLY_PROP_CURRENT_NOW:
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charger->charging_current = val->intval;
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if (!sec_hal_chg_set_property(charger->client, psp, val))
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return -EINVAL;
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break;
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default:
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return -EINVAL;
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}
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return 0;
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}
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static void sec_chg_isr_work(struct work_struct *work)
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{
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struct sec_charger_info *charger =
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container_of(work, struct sec_charger_info, isr_work.work);
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union power_supply_propval val;
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int full_check_type;
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dev_info(&charger->client->dev,
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"%s: Charger Interrupt\n", __func__);
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psy_do_property("battery", get,
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POWER_SUPPLY_PROP_CHARGE_NOW, val);
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if (val.intval == SEC_BATTERY_CHARGING_1ST)
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full_check_type = charger->pdata->full_check_type;
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else
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full_check_type = charger->pdata->full_check_type_2nd;
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if (full_check_type == SEC_BATTERY_FULLCHARGED_CHGINT) {
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if (!sec_hal_chg_get_property(charger->client,
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POWER_SUPPLY_PROP_STATUS, &val))
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return;
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switch (val.intval) {
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case POWER_SUPPLY_STATUS_DISCHARGING:
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dev_err(&charger->client->dev,
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"%s: Interrupted but Discharging\n", __func__);
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break;
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case POWER_SUPPLY_STATUS_NOT_CHARGING:
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dev_err(&charger->client->dev,
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"%s: Interrupted but NOT Charging\n", __func__);
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break;
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case POWER_SUPPLY_STATUS_FULL:
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dev_info(&charger->client->dev,
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"%s: Interrupted by Full\n", __func__);
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psy_do_property("battery", set,
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POWER_SUPPLY_PROP_STATUS, val);
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break;
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case POWER_SUPPLY_STATUS_CHARGING:
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dev_err(&charger->client->dev,
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"%s: Interrupted but Charging\n", __func__);
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break;
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case POWER_SUPPLY_STATUS_UNKNOWN:
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default:
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dev_err(&charger->client->dev,
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"%s: Invalid Charger Status\n", __func__);
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break;
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}
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}
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if (charger->pdata->ovp_uvlo_check_type ==
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SEC_BATTERY_OVP_UVLO_CHGINT) {
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if (!sec_hal_chg_get_property(charger->client,
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POWER_SUPPLY_PROP_HEALTH, &val))
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return;
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switch (val.intval) {
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case POWER_SUPPLY_HEALTH_OVERHEAT:
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case POWER_SUPPLY_HEALTH_COLD:
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dev_err(&charger->client->dev,
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"%s: Interrupted but Hot/Cold\n", __func__);
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break;
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case POWER_SUPPLY_HEALTH_DEAD:
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dev_err(&charger->client->dev,
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"%s: Interrupted but Dead\n", __func__);
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break;
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case POWER_SUPPLY_HEALTH_OVERVOLTAGE:
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case POWER_SUPPLY_HEALTH_UNDERVOLTAGE:
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dev_info(&charger->client->dev,
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"%s: Interrupted by OVP/UVLO\n", __func__);
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psy_do_property("battery", set,
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POWER_SUPPLY_PROP_HEALTH, val);
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break;
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case POWER_SUPPLY_HEALTH_UNSPEC_FAILURE:
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dev_err(&charger->client->dev,
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"%s: Interrupted but Unspec\n", __func__);
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break;
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case POWER_SUPPLY_HEALTH_GOOD:
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dev_err(&charger->client->dev,
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"%s: Interrupted but Good\n", __func__);
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break;
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case POWER_SUPPLY_HEALTH_UNKNOWN:
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default:
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dev_err(&charger->client->dev,
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"%s: Invalid Charger Health\n", __func__);
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break;
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}
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}
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}
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static irqreturn_t sec_chg_irq_thread(int irq, void *irq_data)
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{
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struct sec_charger_info *charger = irq_data;
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schedule_delayed_work(&charger->isr_work, 0);
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return IRQ_HANDLED;
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}
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static int sec_chg_create_attrs(struct device *dev)
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{
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int i, rc;
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for (i = 0; i < ARRAY_SIZE(sec_charger_attrs); i++) {
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rc = device_create_file(dev, &sec_charger_attrs[i]);
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if (rc)
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goto create_attrs_failed;
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}
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goto create_attrs_succeed;
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create_attrs_failed:
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dev_err(dev, "%s: failed (%d)\n", __func__, rc);
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while (i--)
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device_remove_file(dev, &sec_charger_attrs[i]);
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create_attrs_succeed:
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return rc;
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}
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ssize_t sec_chg_show_attrs(struct device *dev,
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struct device_attribute *attr, char *buf)
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{
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const ptrdiff_t offset = attr - sec_charger_attrs;
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int i = 0;
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switch (offset) {
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case CHG_REG:
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case CHG_DATA:
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case CHG_REGS:
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i = sec_hal_chg_show_attrs(dev, offset, buf);
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break;
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default:
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i = -EINVAL;
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break;
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}
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return i;
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}
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ssize_t sec_chg_store_attrs(struct device *dev,
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struct device_attribute *attr,
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const char *buf, size_t count)
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{
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const ptrdiff_t offset = attr - sec_charger_attrs;
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int ret = 0;
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switch (offset) {
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case CHG_REG:
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case CHG_DATA:
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ret = sec_hal_chg_store_attrs(dev, offset, buf, count);
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break;
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default:
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ret = -EINVAL;
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break;
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}
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return ret;
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}
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static int __devinit sec_charger_probe(
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struct i2c_client *client,
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const struct i2c_device_id *id)
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{
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struct i2c_adapter *adapter =
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to_i2c_adapter(client->dev.parent);
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struct sec_charger_info *charger;
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int ret = 0;
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dev_dbg(&client->dev,
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"%s: SEC Charger Driver Loading\n", __func__);
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if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE))
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return -EIO;
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charger = kzalloc(sizeof(*charger), GFP_KERNEL);
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if (!charger)
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return -ENOMEM;
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charger->client = client;
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charger->pdata = client->dev.platform_data;
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i2c_set_clientdata(client, charger);
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charger->psy_chg.name = "sec-charger";
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charger->psy_chg.type = POWER_SUPPLY_TYPE_UNKNOWN;
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charger->psy_chg.get_property = sec_chg_get_property;
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charger->psy_chg.set_property = sec_chg_set_property;
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charger->psy_chg.properties = sec_charger_props;
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charger->psy_chg.num_properties = ARRAY_SIZE(sec_charger_props);
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if (!charger->pdata->chg_gpio_init()) {
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dev_err(&client->dev,
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"%s: Failed to Initialize GPIO\n", __func__);
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goto err_free;
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}
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if (!sec_hal_chg_init(charger->client)) {
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dev_err(&client->dev,
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"%s: Failed to Initialize Charger\n", __func__);
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goto err_free;
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}
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ret = power_supply_register(&client->dev, &charger->psy_chg);
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if (ret) {
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dev_err(&client->dev,
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"%s: Failed to Register psy_chg\n", __func__);
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goto err_free;
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}
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if (charger->pdata->chg_irq) {
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INIT_DELAYED_WORK_DEFERRABLE(
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&charger->isr_work, sec_chg_isr_work);
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ret = request_threaded_irq(charger->pdata->chg_irq,
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NULL, sec_chg_irq_thread,
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charger->pdata->chg_irq_attr,
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"charger-irq", charger);
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if (ret) {
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dev_err(&client->dev,
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"%s: Failed to Reqeust IRQ\n", __func__);
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goto err_supply_unreg;
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}
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ret = enable_irq_wake(charger->pdata->chg_irq);
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if (ret < 0)
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dev_err(&client->dev,
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"%s: Failed to Enable Wakeup Source(%d)\n",
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__func__, ret);
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}
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ret = sec_chg_create_attrs(charger->psy_chg.dev);
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if (ret) {
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dev_err(&client->dev,
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"%s : Failed to create_attrs\n", __func__);
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goto err_req_irq;
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}
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dev_dbg(&client->dev,
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"%s: SEC Charger Driver Loaded\n", __func__);
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return 0;
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err_req_irq:
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if (charger->pdata->chg_irq)
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free_irq(charger->pdata->chg_irq, charger);
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err_supply_unreg:
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power_supply_unregister(&charger->psy_chg);
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err_free:
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kfree(charger);
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return ret;
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}
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static int __devexit sec_charger_remove(
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struct i2c_client *client)
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{
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return 0;
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}
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static int sec_charger_suspend(struct i2c_client *client,
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pm_message_t state)
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{
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if (!sec_hal_chg_suspend(client))
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dev_err(&client->dev,
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"%s: Failed to Suspend Charger\n", __func__);
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return 0;
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}
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static int sec_charger_resume(struct i2c_client *client)
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{
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if (!sec_hal_chg_resume(client))
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dev_err(&client->dev,
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"%s: Failed to Resume Charger\n", __func__);
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return 0;
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}
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static void sec_charger_shutdown(struct i2c_client *client)
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{
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}
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static const struct i2c_device_id sec_charger_id[] = {
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{"sec-charger", 0},
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{}
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};
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MODULE_DEVICE_TABLE(i2c, sec_charger_id);
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static struct i2c_driver sec_charger_driver = {
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.driver = {
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.name = "sec-charger",
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},
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.probe = sec_charger_probe,
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.remove = __devexit_p(sec_charger_remove),
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.suspend = sec_charger_suspend,
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.resume = sec_charger_resume,
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.shutdown = sec_charger_shutdown,
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.id_table = sec_charger_id,
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};
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static int __init sec_charger_init(void)
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{
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return i2c_add_driver(&sec_charger_driver);
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}
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static void __exit sec_charger_exit(void)
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{
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i2c_del_driver(&sec_charger_driver);
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}
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module_init(sec_charger_init);
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module_exit(sec_charger_exit);
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MODULE_DESCRIPTION("Samsung Charger Driver");
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MODULE_AUTHOR("Samsung Electronics");
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MODULE_LICENSE("GPL");
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