822 lines
22 KiB
C
Executable file
822 lines
22 KiB
C
Executable file
/*
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* Copyright (C) 2011 Samsung Electronics Co. Ltd.
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* Inchul Im <inchul.im@samsung.com>
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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 as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*/
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#define pr_fmt(fmt) "usb_notifier: " fmt
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#include <linux/module.h>
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#include <linux/delay.h>
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#include <linux/usb_notify.h>
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#ifdef CONFIG_OF
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#include <linux/of_device.h>
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#include <linux/of_gpio.h>
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#endif
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#if IS_ENABLED(CONFIG_PDIC_NOTIFIER)
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#include <linux/usb/typec/common/pdic_notifier.h>
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#endif
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#if IS_ENABLED(CONFIG_MUIC_NOTIFIER)
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#include <linux/muic/common/muic.h>
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#endif
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#if IS_ENABLED(CONFIG_MUIC_NOTIFIER)
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#include <linux/muic/common/muic_notifier.h>
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#endif
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#if IS_ENABLED(CONFIG_VBUS_NOTIFIER)
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#include <linux/vbus_notifier.h>
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#endif
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#if IS_ENABLED(CONFIG_USB_TYPEC_MANAGER_NOTIFIER)
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#include <linux/usb/typec/manager/usb_typec_manager_notifier.h>
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#endif
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#if IS_MODULE(CONFIG_BATTERY_SAMSUNG)
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#include <linux/battery/sec_battery_common.h>
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#elif defined(CONFIG_BATTERY_SAMSUNG)
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#include "../../../battery/common/sec_charging_common.h"
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#endif
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#include "usb_notifier.h"
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#include <linux/regulator/consumer.h>
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#include <linux/workqueue.h>
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#if IS_ENABLED(CONFIG_MACH_MT6739) || IS_ENABLED(CONFIG_MACH_MT6765)
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#include "../../misc/mediatek/usb20/mtk_musb.h"
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#elif IS_ENABLED(CONFIG_EXTCON_MTK_USB)
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#include "../../misc/mediatek/extcon/extcon-mtk-usb.h"
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#endif
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struct usb_notifier_platform_data {
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#if IS_ENABLED(CONFIG_PDIC_NOTIFIER)
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struct notifier_block pdic_usb_nb;
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int is_host;
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#endif
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#if IS_ENABLED(CONFIG_MUIC_NOTIFIER)
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struct notifier_block muic_usb_nb;
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#endif
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#if IS_ENABLED(CONFIG_VBUS_NOTIFIER)
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struct notifier_block vbus_nb;
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#endif
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int gpio_redriver_en;
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int can_disable_usb;
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#if IS_ENABLED(CONFIG_PDIC_NOTIFIER)
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struct delayed_work usb_ldo_work;
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unsigned int usb_ldocontrol;
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unsigned int usb_ldo_onoff;
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bool usb_ldo_off_working;
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const char *hs_vdd;
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const char *ss_vdd;
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const char *dp_vdd;
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#endif
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int host_wake_lock_enable;
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int device_wake_lock_enable;
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};
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#ifdef CONFIG_OF
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static void of_get_usb_redriver_dt(struct device_node *np,
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struct usb_notifier_platform_data *pdata)
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{
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int gpio = 0;
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gpio = of_get_named_gpio(np, "gpios_redriver_en", 0);
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if (!gpio_is_valid(gpio)) {
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pdata->gpio_redriver_en = -1;
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pr_err("%s: usb30_redriver_en: Invalied gpio pins\n", __func__);
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} else
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pdata->gpio_redriver_en = gpio;
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pr_info("%s, gpios_redriver_en %d\n", __func__, gpio);
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pdata->can_disable_usb =
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!(of_property_read_bool(np, "samsung,unsupport-disable-usb"));
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pr_info("%s, can_disable_usb %d\n", __func__, pdata->can_disable_usb);
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#if IS_ENABLED(CONFIG_PDIC_NOTIFIER)
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if (of_property_read_string(np, "hs-regulator", &pdata->hs_vdd) < 0) {
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pr_err("%s - get hs_vdd error\n", __func__);
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pdata->hs_vdd = NULL;
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}
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if (of_property_read_string(np, "ss-regulator", &pdata->ss_vdd) < 0) {
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pr_err("%s - get ss_vdd error\n", __func__);
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pdata->ss_vdd = NULL;
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}
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if (of_property_read_string(np, "dp-regulator", &pdata->dp_vdd) < 0) {
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pr_err("%s - get dp_vdd error\n", __func__);
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pdata->dp_vdd = NULL;
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}
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if (of_property_read_u32(np, "usb-ldocontrol", &pdata->usb_ldocontrol))
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pdata->usb_ldocontrol = 0;
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pr_info("%s, usb_ldocontrol %d\n", __func__, pdata->usb_ldocontrol);
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#endif
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pdata->host_wake_lock_enable =
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!(of_property_read_bool(np, "disable_host_wakelock"));
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pdata->device_wake_lock_enable =
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!(of_property_read_bool(np, "disable_device_wakelock"));
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pr_info("%s, host_wake_lock_enable %d ,device_wake_lock_enable %d\n", __func__,
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pdata->host_wake_lock_enable, pdata->device_wake_lock_enable);
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}
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static int of_usb_notifier_dt(struct device *dev,
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struct usb_notifier_platform_data *pdata)
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{
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struct device_node *np = dev->of_node;
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if (!np)
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return -EINVAL;
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of_get_usb_redriver_dt(np, pdata);
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return 0;
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}
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#endif
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#if IS_ENABLED(CONFIG_PDIC_NOTIFIER)
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static void usb_hs_regulator_onoff(struct usb_notifier_platform_data *pdata,
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unsigned int onoff)
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{
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struct regulator *avdd33_usb;
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int ret;
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if (!pdata->hs_vdd) {
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pr_err("%s hs_vdd is null\n", __func__);
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return;
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}
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avdd33_usb = regulator_get(NULL, pdata->hs_vdd);
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if (IS_ERR(avdd33_usb) || avdd33_usb == NULL) {
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pr_err("%s - avdd33_usb regulator_get fail\n", __func__);
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return;
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}
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if (onoff) {
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ret = regulator_enable(avdd33_usb);
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if (ret) {
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pr_err("%s - enable avdd33_usb ldo enable failed, ret=%d\n",
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__func__, ret);
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}
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} else {
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ret = regulator_disable(avdd33_usb);
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if (ret) {
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pr_err("%s - enable avdd33_usb ldo disable failed, ret=%d\n",
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__func__, ret);
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}
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}
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regulator_put(avdd33_usb);
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}
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static void usb_ss_regulator_onoff(struct usb_notifier_platform_data *pdata,
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bool onoff)
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{
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struct regulator *vdd085_usb;
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int ret;
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if (!pdata->ss_vdd) {
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pr_err("%s ss_vdd is null\n", __func__);
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return;
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}
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vdd085_usb = regulator_get(NULL, pdata->ss_vdd);
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if (IS_ERR(vdd085_usb) || vdd085_usb == NULL) {
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pr_err("%s - vdd085_usb regulator_get fail\n", __func__);
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return;
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}
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if (onoff) {
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ret = regulator_enable(vdd085_usb);
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if (ret) {
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pr_err("%s - enable vdd085_usb ldo enable failed, ret=%d\n",
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__func__, ret);
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}
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} else {
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ret = regulator_disable(vdd085_usb);
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if (ret) {
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pr_err("%s - enable vdd085_usb ldo disable failed, ret=%d\n",
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__func__, ret);
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}
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}
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regulator_put(vdd085_usb);
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}
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static void usb_dp_regulator_onoff(struct usb_notifier_platform_data *pdata,
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unsigned int onoff)
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{
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struct regulator *vdd3p3_dp;
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int ret;
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if (!pdata->dp_vdd) {
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pr_err("%s dp_vdd is null\n", __func__);
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return;
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}
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vdd3p3_dp = regulator_get(NULL, pdata->dp_vdd);
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if (IS_ERR(vdd3p3_dp) || vdd3p3_dp == NULL) {
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pr_err("%s - dp_3p3 regulator_get fail\n", __func__);
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return;
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}
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if (onoff) {
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ret = regulator_enable(vdd3p3_dp);
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if (ret) {
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pr_err("%s - enable dp_3p3 ldo enable failed, ret=%d\n",
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__func__, ret);
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}
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} else {
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ret = regulator_disable(vdd3p3_dp);
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if (ret) {
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pr_err("%s - enable dp_3p3 ldo disable failed, ret=%d\n",
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__func__, ret);
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}
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}
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regulator_put(vdd3p3_dp);
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}
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static void usb_regulator_onoff(void *data, unsigned int onoff)
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{
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struct usb_notifier_platform_data *pdata =
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(struct usb_notifier_platform_data *)(data);
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pr_info("usb: %s - Turn %s (ldocontrol=%d, usb_ldo_off_working=%d)\n", __func__,
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onoff ? "on":"off", pdata->usb_ldocontrol, pdata->usb_ldo_off_working);
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if (pdata->usb_ldocontrol) {
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if (onoff) {
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if (!pdata->usb_ldo_onoff) {
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if (pdata->usb_ldo_off_working) {
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cancel_delayed_work_sync(&pdata->usb_ldo_work);
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pdata->usb_ldo_off_working = false;
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} else {
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usb_ss_regulator_onoff(pdata, onoff);
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usb_dp_regulator_onoff(pdata, onoff);
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usb_hs_regulator_onoff(pdata, onoff);
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}
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} else {
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pr_err("%s already on\n", __func__);
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}
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} else {
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if (pdata->usb_ldo_onoff) {
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pdata->usb_ldo_off_working = true;
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schedule_delayed_work(&pdata->usb_ldo_work, msecs_to_jiffies(2000));
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} else {
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pr_err("%s already off\n", __func__);
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}
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}
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pdata->usb_ldo_onoff = onoff;
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} else {
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pr_err("%s: can't control\n", __func__);
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}
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}
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static void usb_ldo_off_control(struct work_struct *work)
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{
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struct usb_notifier_platform_data *pdata = container_of(work,
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struct usb_notifier_platform_data,
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usb_ldo_work.work);
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pr_info("usb: %s - working=%d\n", __func__, pdata->usb_ldo_off_working);
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if (pdata->usb_ldo_off_working) {
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pdata->usb_ldo_off_working = false;
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usb_hs_regulator_onoff(pdata, false);
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usb_dp_regulator_onoff(pdata, false);
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usb_ss_regulator_onoff(pdata, false);
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}
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}
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#endif
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#if IS_ENABLED(CONFIG_PDIC_NOTIFIER)
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static int pdic_usb_handle_notification(struct notifier_block *nb,
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unsigned long action, void *data)
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{
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PD_NOTI_USB_STATUS_TYPEDEF usb_status = *(PD_NOTI_USB_STATUS_TYPEDEF *)data;
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struct otg_notify *o_notify = get_otg_notify();
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struct usb_notifier_platform_data *pdata =
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container_of(nb, struct usb_notifier_platform_data, pdic_usb_nb);
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if (usb_status.dest != PDIC_NOTIFY_DEV_USB)
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return 0;
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switch (usb_status.drp) {
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case USB_STATUS_NOTIFY_ATTACH_DFP:
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pr_info("%s: Turn On Host(DFP)\n", __func__);
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send_otg_notify(o_notify, NOTIFY_EVENT_HOST, 1);
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pdata->is_host = 1;
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break;
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case USB_STATUS_NOTIFY_ATTACH_UFP:
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pr_info("%s: Turn On Device(UFP)\n", __func__);
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send_otg_notify(o_notify, NOTIFY_EVENT_VBUS, 1);
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if (is_blocked(o_notify, NOTIFY_BLOCK_TYPE_CLIENT))
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return -EPERM;
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break;
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case USB_STATUS_NOTIFY_DETACH:
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if (pdata->is_host) {
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pr_info("%s: Turn Off Host(DFP)\n", __func__);
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send_otg_notify(o_notify, NOTIFY_EVENT_HOST, 0);
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pdata->is_host = 0;
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} else {
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pr_info("%s: Turn Off Device(UFP)\n", __func__);
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send_otg_notify(o_notify, NOTIFY_EVENT_VBUS, 0);
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}
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break;
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default:
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pr_info("%s: unsupported DRP type : %d.\n", __func__, usb_status.drp);
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break;
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}
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return 0;
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}
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#endif
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#if IS_ENABLED(CONFIG_MUIC_NOTIFIER)
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static int muic_usb_handle_notification(struct notifier_block *nb,
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unsigned long action, void *data)
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{
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struct otg_notify *o_notify = get_otg_notify();
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#if IS_ENABLED(CONFIG_PDIC_NOTIFIER)
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PD_NOTI_ATTACH_TYPEDEF *p_noti = (PD_NOTI_ATTACH_TYPEDEF *)data;
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muic_attached_dev_t attached_dev = p_noti->cable_type;
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pr_info("%s action=%lu, attached_dev=%d\n",
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__func__, action, attached_dev);
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switch (attached_dev) {
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case ATTACHED_DEV_USB_MUIC:
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case ATTACHED_DEV_CDP_MUIC:
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case ATTACHED_DEV_UNOFFICIAL_ID_USB_MUIC:
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case ATTACHED_DEV_UNOFFICIAL_ID_CDP_MUIC:
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if (action == MUIC_NOTIFY_CMD_DETACH)
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send_otg_notify(o_notify, NOTIFY_EVENT_USB_CABLE, 0);
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else if (action == MUIC_NOTIFY_CMD_ATTACH)
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send_otg_notify(o_notify, NOTIFY_EVENT_USB_CABLE, 1);
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else
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pr_err("%s - ACTION Error!\n", __func__);
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break;
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default:
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send_otg_notify(o_notify, NOTIFY_EVENT_USB_CABLE, 0);
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break;
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}
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#else
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muic_attached_dev_t attached_dev = *(muic_attached_dev_t *)data;
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pr_info("%s action=%lu, attached_dev=%d\n",
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__func__, action, attached_dev);
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switch (attached_dev) {
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case ATTACHED_DEV_USB_MUIC:
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case ATTACHED_DEV_CDP_MUIC:
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case ATTACHED_DEV_UNOFFICIAL_ID_USB_MUIC:
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case ATTACHED_DEV_UNOFFICIAL_ID_CDP_MUIC:
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if (action == MUIC_NOTIFY_CMD_DETACH) {
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send_otg_notify(o_notify, NOTIFY_EVENT_USB_CABLE, 0);
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send_otg_notify(o_notify, NOTIFY_EVENT_VBUS, 0);
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} else if (action == MUIC_NOTIFY_CMD_ATTACH) {
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send_otg_notify(o_notify, NOTIFY_EVENT_USB_CABLE, 1);
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send_otg_notify(o_notify, NOTIFY_EVENT_VBUS, 1);
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} else
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pr_err("%s - ACTION Error!\n", __func__);
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break;
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case ATTACHED_DEV_JIG_USB_OFF_MUIC:
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case ATTACHED_DEV_JIG_USB_ON_MUIC:
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if (action == MUIC_NOTIFY_CMD_DETACH)
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send_otg_notify(o_notify, NOTIFY_EVENT_VBUS, 0);
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else if (action == MUIC_NOTIFY_CMD_ATTACH)
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send_otg_notify(o_notify, NOTIFY_EVENT_VBUS, 1);
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else
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pr_err("%s - ACTION Error!\n", __func__);
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break;
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case ATTACHED_DEV_OTG_MUIC:
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if (action == MUIC_NOTIFY_CMD_DETACH)
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send_otg_notify(o_notify, NOTIFY_EVENT_HOST, 0);
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else if (action == MUIC_NOTIFY_CMD_ATTACH)
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send_otg_notify(o_notify, NOTIFY_EVENT_HOST, 1);
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else
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pr_err("%s - ACTION Error!\n", __func__);
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break;
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case ATTACHED_DEV_HMT_MUIC:
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if (action == MUIC_NOTIFY_CMD_DETACH)
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send_otg_notify(o_notify, NOTIFY_EVENT_HMT, 0);
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else if (action == MUIC_NOTIFY_CMD_ATTACH)
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send_otg_notify(o_notify, NOTIFY_EVENT_HMT, 1);
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else
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pr_err("%s - ACTION Error!\n", __func__);
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break;
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case ATTACHED_DEV_JIG_UART_OFF_VB_OTG_MUIC:
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if (action == MUIC_NOTIFY_CMD_DETACH)
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pr_info("%s - USB_HOST_TEST_DETACHED\n", __func__);
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else if (action == MUIC_NOTIFY_CMD_ATTACH)
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pr_info("%s - USB_HOST_TEST_ATTACHED\n", __func__);
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else
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pr_err("%s - ACTION Error!\n", __func__);
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break;
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case ATTACHED_DEV_SMARTDOCK_TA_MUIC:
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if (action == MUIC_NOTIFY_CMD_DETACH)
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send_otg_notify(o_notify, NOTIFY_EVENT_SMARTDOCK_TA, 0);
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else if (action == MUIC_NOTIFY_CMD_ATTACH)
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send_otg_notify(o_notify, NOTIFY_EVENT_SMARTDOCK_TA, 1);
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else
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pr_err("%s - ACTION Error!\n", __func__);
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break;
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case ATTACHED_DEV_SMARTDOCK_USB_MUIC:
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if (action == MUIC_NOTIFY_CMD_DETACH)
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send_otg_notify
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(o_notify, NOTIFY_EVENT_SMARTDOCK_USB, 0);
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else if (action == MUIC_NOTIFY_CMD_ATTACH)
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send_otg_notify
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(o_notify, NOTIFY_EVENT_SMARTDOCK_USB, 1);
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else
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pr_err("%s - ACTION Error!\n", __func__);
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break;
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case ATTACHED_DEV_AUDIODOCK_MUIC:
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if (action == MUIC_NOTIFY_CMD_DETACH)
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send_otg_notify(o_notify, NOTIFY_EVENT_AUDIODOCK, 0);
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else if (action == MUIC_NOTIFY_CMD_ATTACH)
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send_otg_notify(o_notify, NOTIFY_EVENT_AUDIODOCK, 1);
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else
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pr_err("%s - ACTION Error!\n", __func__);
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break;
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case ATTACHED_DEV_UNIVERSAL_MMDOCK_MUIC:
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if (action == MUIC_NOTIFY_CMD_DETACH)
|
|
send_otg_notify(o_notify, NOTIFY_EVENT_MMDOCK, 0);
|
|
else if (action == MUIC_NOTIFY_CMD_ATTACH)
|
|
send_otg_notify(o_notify, NOTIFY_EVENT_MMDOCK, 1);
|
|
else
|
|
pr_err("%s - ACTION Error!\n", __func__);
|
|
break;
|
|
case ATTACHED_DEV_USB_LANHUB_MUIC:
|
|
if (action == MUIC_NOTIFY_CMD_DETACH)
|
|
send_otg_notify(o_notify, NOTIFY_EVENT_LANHUB, 0);
|
|
else if (action == MUIC_NOTIFY_CMD_ATTACH)
|
|
send_otg_notify(o_notify, NOTIFY_EVENT_LANHUB, 1);
|
|
else
|
|
pr_err("%s - ACTION Error!\n", __func__);
|
|
break;
|
|
case ATTACHED_DEV_GAMEPAD_MUIC:
|
|
if (action == MUIC_NOTIFY_CMD_DETACH)
|
|
send_otg_notify(o_notify, NOTIFY_EVENT_GAMEPAD, 0);
|
|
else if (action == MUIC_NOTIFY_CMD_ATTACH)
|
|
send_otg_notify(o_notify, NOTIFY_EVENT_GAMEPAD, 1);
|
|
else
|
|
pr_err("%s - ACTION Error!\n", __func__);
|
|
break;
|
|
default:
|
|
send_otg_notify(o_notify, NOTIFY_EVENT_USB_CABLE, 0);
|
|
break;
|
|
}
|
|
#endif
|
|
|
|
return 0;
|
|
}
|
|
#endif
|
|
#if IS_ENABLED(CONFIG_VBUS_NOTIFIER)
|
|
static int vbus_handle_notification(struct notifier_block *nb,
|
|
unsigned long cmd, void *data)
|
|
{
|
|
vbus_status_t vbus_type = *(vbus_status_t *)data;
|
|
struct otg_notify *o_notify;
|
|
|
|
o_notify = get_otg_notify();
|
|
|
|
pr_info("%s cmd=%lu, vbus_type=%s\n",
|
|
__func__, cmd, vbus_type == STATUS_VBUS_HIGH ? "HIGH" : "LOW");
|
|
|
|
switch (vbus_type) {
|
|
case STATUS_VBUS_HIGH:
|
|
send_otg_notify(o_notify, NOTIFY_EVENT_VBUSPOWER, 1);
|
|
break;
|
|
case STATUS_VBUS_LOW:
|
|
send_otg_notify(o_notify, NOTIFY_EVENT_VBUSPOWER, 0);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
static int otg_accessory_power(bool enable)
|
|
{
|
|
#if IS_ENABLED(CONFIG_BATTERY_SAMSUNG)
|
|
u8 on = (u8)!!enable;
|
|
union power_supply_propval val;
|
|
|
|
pr_info("otg accessory power = %d\n", on);
|
|
|
|
val.intval = enable;
|
|
psy_do_property("otg", set,
|
|
POWER_SUPPLY_PROP_ONLINE, val);
|
|
#endif
|
|
return 0;
|
|
}
|
|
|
|
static int set_online(int event, int state)
|
|
{
|
|
#if IS_ENABLED(CONFIG_BATTERY_SAMSUNG)
|
|
union power_supply_propval val;
|
|
#endif
|
|
struct device_node *np_charger = NULL;
|
|
char *charger_name;
|
|
|
|
if (event == NOTIFY_EVENT_SMTD_EXT_CURRENT)
|
|
pr_info("request smartdock charging current = %s\n",
|
|
state ? "1000mA" : "1700mA");
|
|
else if (event == NOTIFY_EVENT_MMD_EXT_CURRENT)
|
|
pr_info("request mmdock charging current = %s\n",
|
|
state ? "900mA" : "1400mA");
|
|
|
|
np_charger = of_find_node_by_name(NULL, "battery");
|
|
if (!np_charger) {
|
|
pr_err("%s: failed to get the battery device node\n", __func__);
|
|
return 0;
|
|
} else {
|
|
if (!of_property_read_string(np_charger, "battery,charger_name",
|
|
(char const **)&charger_name)) {
|
|
pr_info("%s: charger_name = %s\n", __func__,
|
|
charger_name);
|
|
} else {
|
|
pr_err("%s: failed to get the charger name\n",
|
|
__func__);
|
|
return 0;
|
|
}
|
|
}
|
|
/* for KNOX DT charging */
|
|
pr_info("Knox Desktop connection state = %s\n", state ? "Connected" : "Disconnected");
|
|
#if IS_ENABLED(CONFIG_BATTERY_SAMSUNG)
|
|
if (state)
|
|
val.intval = SEC_BATTERY_CABLE_SMART_NOTG;
|
|
else
|
|
val.intval = SEC_BATTERY_CABLE_NONE;
|
|
|
|
psy_do_property("battery", set,
|
|
POWER_SUPPLY_PROP_ONLINE, val);
|
|
#endif
|
|
|
|
return 0;
|
|
}
|
|
|
|
#if IS_ENABLED(CONFIG_USB_MTK_HDRC) || IS_ENABLED(CONFIG_USB_MTU3)
|
|
static int mtk_set_host(bool enable)
|
|
{
|
|
pr_info("%s enable %d +\n", __func__, enable);
|
|
#if !IS_ENABLED(CONFIG_USB_MU3D_DRV)
|
|
#if IS_ENABLED(CONFIG_MACH_MT6739) || IS_ENABLED(CONFIG_MACH_MT6765)
|
|
if (enable)
|
|
mt_usb_host_connect(0);
|
|
else
|
|
mt_usb_host_disconnect(0);
|
|
#elif IS_ENABLED(CONFIG_EXTCON_MTK_USB)
|
|
if (enable)
|
|
mtk_usb_notify_set_mode(DUAL_PROP_DR_HOST);
|
|
else
|
|
mtk_usb_notify_set_mode(DUAL_PROP_DR_NONE);
|
|
#endif
|
|
#endif
|
|
pr_info("%s -\n", __func__);
|
|
return 0;
|
|
}
|
|
|
|
static int mtk_set_peripheral(bool enable)
|
|
{
|
|
pr_info("%s enable %d +\n", __func__, enable);
|
|
#if !IS_ENABLED(CONFIG_USB_MU3D_DRV)
|
|
#if IS_ENABLED(CONFIG_MACH_MT6739) || IS_ENABLED(CONFIG_MACH_MT6765)
|
|
if (enable)
|
|
mt_usb_connect();
|
|
else
|
|
mt_usb_disconnect();
|
|
#elif IS_ENABLED(CONFIG_EXTCON_MTK_USB)
|
|
if (enable)
|
|
mtk_usb_notify_set_mode(DUAL_PROP_DR_DEVICE);
|
|
else
|
|
mtk_usb_notify_set_mode(DUAL_PROP_DR_NONE);
|
|
#endif
|
|
#endif
|
|
pr_info("%s -\n", __func__);
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
static int usb_set_chg_current(int state)
|
|
{
|
|
#if IS_ENABLED(CONFIG_BATTERY_SAMSUNG)
|
|
union power_supply_propval val;
|
|
#endif
|
|
struct device_node *np_charger = NULL;
|
|
char *charger_name;
|
|
|
|
np_charger = of_find_node_by_name(NULL, "battery");
|
|
if (!np_charger) {
|
|
pr_err("%s: failed to get the battery device node\n", __func__);
|
|
return 0;
|
|
}
|
|
|
|
if (!of_property_read_string(np_charger, "battery,charger_name",
|
|
(char const **)&charger_name)) {
|
|
pr_info("%s: charger_name = %s\n", __func__,
|
|
charger_name);
|
|
} else {
|
|
pr_err("%s: failed to get the charger name\n", __func__);
|
|
return 0;
|
|
}
|
|
|
|
/* current setting */
|
|
pr_info("usb : charging current set = %d\n", state);
|
|
|
|
#if IS_ENABLED(CONFIG_BATTERY_SAMSUNG)
|
|
switch (state) {
|
|
case NOTIFY_USB_SUSPENDED:
|
|
val.intval = USB_CURRENT_SUSPENDED;
|
|
break;
|
|
case NOTIFY_USB_UNCONFIGURED:
|
|
val.intval = USB_CURRENT_UNCONFIGURED;
|
|
break;
|
|
case NOTIFY_USB_CONFIGURED:
|
|
val.intval = USB_CURRENT_HIGH_SPEED;
|
|
break;
|
|
default:
|
|
val.intval = USB_CURRENT_HIGH_SPEED;
|
|
break;
|
|
}
|
|
psy_do_property("battery", set,
|
|
POWER_SUPPLY_EXT_PROP_USB_CONFIGURE, val);
|
|
#endif
|
|
|
|
return 0;
|
|
}
|
|
#if defined(CONFIG_USB_HW_PARAM)
|
|
static int is_skip_list(int index)
|
|
{
|
|
int ret = 0;
|
|
|
|
switch (index) {
|
|
case USB_CCIC_VR_USE_COUNT:
|
|
case USB_HOST_CLASS_COMM_COUNT:
|
|
case USB_HOST_CLASS_PHYSICAL_COUNT:
|
|
case USB_HOST_CLASS_IMAGE_COUNT:
|
|
case USB_HOST_CLASS_PRINTER_COUNT:
|
|
case USB_HOST_CLASS_CDC_COUNT:
|
|
case USB_HOST_CLASS_CSCID_COUNT:
|
|
case USB_HOST_CLASS_CONTENT_COUNT:
|
|
case USB_HOST_CLASS_VIDEO_COUNT:
|
|
case USB_HOST_CLASS_WIRELESS_COUNT:
|
|
case USB_HOST_CLASS_MISC_COUNT:
|
|
case USB_HOST_CLASS_APP_COUNT:
|
|
case USB_HOST_CLASS_VENDOR_COUNT:
|
|
case USB_CCIC_FWUP_ERROR_COUNT:
|
|
case USB_CCIC_VERSION:
|
|
ret = 1;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
#endif
|
|
#if IS_ENABLED(CONFIG_USB_MTK_HDRC) || IS_ENABLED(CONFIG_USB_MTU3)
|
|
static struct otg_notify musb_mtk_notify = {
|
|
.vbus_drive = otg_accessory_power,
|
|
.set_host = mtk_set_host,
|
|
.set_peripheral = mtk_set_peripheral,
|
|
.vbus_detect_gpio = -1,
|
|
.is_host_wakelock = 1,
|
|
.is_wakelock = 1,
|
|
.booting_delay_sec = 12,
|
|
#if !IS_ENABLED(CONFIG_PDIC_NOTIFIER)
|
|
.auto_drive_vbus = NOTIFY_OP_POST,
|
|
#endif
|
|
.disable_control = 1,
|
|
.device_check_sec = 3,
|
|
.set_battcall = set_online,
|
|
#if IS_ENABLED(CONFIG_PDIC_NOTIFIER)
|
|
.set_ldo_onoff = usb_regulator_onoff,
|
|
#endif
|
|
.set_chg_current = usb_set_chg_current,
|
|
.pre_peri_delay_us = 6,
|
|
#if defined(CONFIG_USB_OTG_WHITELIST_FOR_MDM)
|
|
.sec_whitelist_enable = 0,
|
|
#endif
|
|
#if defined(CONFIG_USB_HW_PARAM)
|
|
.is_skip_list = is_skip_list,
|
|
#endif
|
|
.pre_peri_delay_us = 6,
|
|
};
|
|
#endif /* CONFIG_USB_MTK_HDRC */
|
|
|
|
static int usb_notifier_probe(struct platform_device *pdev)
|
|
{
|
|
struct usb_notifier_platform_data *pdata = NULL;
|
|
int ret = 0;
|
|
|
|
if (pdev->dev.of_node) {
|
|
pdata = devm_kzalloc(&pdev->dev,
|
|
sizeof(struct usb_notifier_platform_data), GFP_KERNEL);
|
|
if (!pdata) {
|
|
dev_err(&pdev->dev, "Failed to allocate memory\n");
|
|
return -ENOMEM;
|
|
}
|
|
|
|
ret = of_usb_notifier_dt(&pdev->dev, pdata);
|
|
if (ret < 0) {
|
|
dev_err(&pdev->dev, "Failed to get device of_node\n");
|
|
return ret;
|
|
}
|
|
|
|
pdev->dev.platform_data = pdata;
|
|
} else
|
|
pdata = pdev->dev.platform_data;
|
|
|
|
#if IS_ENABLED(CONFIG_USB_MTK_HDRC) || IS_ENABLED(CONFIG_USB_MTU3)
|
|
musb_mtk_notify.redriver_en_gpio = pdata->gpio_redriver_en;
|
|
musb_mtk_notify.disable_control = pdata->can_disable_usb;
|
|
musb_mtk_notify.is_host_wakelock = pdata->host_wake_lock_enable;
|
|
musb_mtk_notify.is_wakelock = pdata->device_wake_lock_enable;
|
|
set_otg_notify(&musb_mtk_notify);
|
|
set_notify_data(&musb_mtk_notify, pdata);
|
|
#endif
|
|
#if IS_ENABLED(CONFIG_PDIC_NOTIFIER)
|
|
pdata->usb_ldo_onoff = 0;
|
|
INIT_DELAYED_WORK(&pdata->usb_ldo_work,
|
|
usb_ldo_off_control);
|
|
pdata->is_host = 0;
|
|
#endif
|
|
|
|
#if IS_ENABLED(CONFIG_USB_TYPEC_MANAGER_NOTIFIER)
|
|
manager_notifier_register(&pdata->pdic_usb_nb, pdic_usb_handle_notification,
|
|
MANAGER_NOTIFY_PDIC_USB);
|
|
#elif IS_ENABLED(CONFIG_PDIC_NOTIFIER)
|
|
pdic_notifier_register(&pdata->pdic_usb_nb, pdic_usb_handle_notification,
|
|
PDIC_NOTIFY_DEV_USB);
|
|
#endif
|
|
#if IS_ENABLED(CONFIG_MUIC_NOTIFIER)
|
|
muic_notifier_register(&pdata->muic_usb_nb, muic_usb_handle_notification,
|
|
MUIC_NOTIFY_DEV_USB);
|
|
#endif
|
|
#if IS_ENABLED(CONFIG_VBUS_NOTIFIER)
|
|
vbus_notifier_register(&pdata->vbus_nb, vbus_handle_notification,
|
|
VBUS_NOTIFY_DEV_MANAGER);
|
|
#endif
|
|
|
|
dev_info(&pdev->dev, "usb notifier probe\n");
|
|
return 0;
|
|
}
|
|
|
|
static int usb_notifier_remove(struct platform_device *pdev)
|
|
{
|
|
struct usb_notifier_platform_data *pdata = dev_get_platdata(&pdev->dev);
|
|
#if IS_ENABLED(CONFIG_PDIC_NOTIFIER)
|
|
#if IS_ENABLED(CONFIG_USB_TYPEC_MANAGER_NOTIFIER)
|
|
manager_notifier_unregister(&pdata->pdic_usb_nb);
|
|
#else
|
|
pdic_notifier_unregister(&pdata->pdic_usb_nb);
|
|
#endif
|
|
#elif IS_ENABLED(CONFIG_MUIC_NOTIFIER)
|
|
muic_notifier_unregister(&pdata->muic_usb_nb);
|
|
#endif
|
|
#if IS_ENABLED(CONFIG_VBUS_NOTIFIER)
|
|
vbus_notifier_unregister(&pdata->vbus_nb);
|
|
#endif
|
|
return 0;
|
|
}
|
|
|
|
#ifdef CONFIG_OF
|
|
static const struct of_device_id usb_notifier_dt_ids[] = {
|
|
{ .compatible = "samsung,usb-notifier",
|
|
},
|
|
{ },
|
|
};
|
|
MODULE_DEVICE_TABLE(of, usb_notifier_dt_ids);
|
|
#endif
|
|
|
|
static struct platform_driver usb_notifier_driver = {
|
|
.probe = usb_notifier_probe,
|
|
.remove = usb_notifier_remove,
|
|
.driver = {
|
|
.name = "usb_notifier",
|
|
.owner = THIS_MODULE,
|
|
#ifdef CONFIG_OF
|
|
.of_match_table = of_match_ptr(usb_notifier_dt_ids),
|
|
#endif
|
|
},
|
|
};
|
|
|
|
static int __init usb_notifier_init(void)
|
|
{
|
|
return platform_driver_register(&usb_notifier_driver);
|
|
}
|
|
|
|
static void __exit usb_notifier_exit(void)
|
|
{
|
|
platform_driver_unregister(&usb_notifier_driver);
|
|
}
|
|
|
|
late_initcall(usb_notifier_init);
|
|
module_exit(usb_notifier_exit);
|
|
|
|
MODULE_AUTHOR("inchul.im <inchul.im@samsung.com>");
|
|
MODULE_DESCRIPTION("USB notifier");
|
|
MODULE_LICENSE("GPL");
|