107 lines
3.1 KiB
C
107 lines
3.1 KiB
C
/*
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* drivers/power/axp/axp-powerkey.c
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* (C) Copyright 2010-2016
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* Allwinner Technology Co., Ltd. <www.allwinnertech.com>
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* Pannan <pannan@allwinnertech.com>
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*
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* axp powerkey APIs
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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*/
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/types.h>
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#include <linux/device.h>
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#include <linux/workqueue.h>
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#include <linux/module.h>
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#include <linux/platform_device.h>
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#include <linux/power_supply.h>
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#include <linux/delay.h>
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#include <linux/kthread.h>
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#include <linux/slab.h>
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#include <linux/debugfs.h>
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#include <linux/seq_file.h>
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#include <linux/input.h>
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#include <linux/of.h>
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#include "axp-core.h"
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#include "axp-powerkey.h"
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static irqreturn_t axp_key_up_handler(int irq, void *data)
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{
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struct axp_powerkey_info *info = (struct axp_powerkey_info *)data;
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AXP_DEBUG(AXP_INT, info->chip->pmu_num, "power key up\n");
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input_report_key(info->idev, KEY_POWER, 0);
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input_sync(info->idev);
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return IRQ_HANDLED;
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}
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static irqreturn_t axp_key_down_handler(int irq, void *data)
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{
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struct axp_powerkey_info *info = (struct axp_powerkey_info *)data;
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AXP_DEBUG(AXP_INT, info->chip->pmu_num, "power key down\n");
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input_report_key(info->idev, KEY_POWER, 1);
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input_sync(info->idev);
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return IRQ_HANDLED;
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}
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static irqreturn_t axp_presslong_handler(int irq, void *data)
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{
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struct axp_powerkey_info *info = (struct axp_powerkey_info *)data;
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AXP_DEBUG(AXP_INT, info->chip->pmu_num, "power key long\n");
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input_report_key(info->idev, KEY_POWER, 1);
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input_sync(info->idev);
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ssleep(2);
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input_report_key(info->idev, KEY_POWER, 0);
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input_sync(info->idev);
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return IRQ_HANDLED;
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}
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static irqreturn_t axp_pressshort_handler(int irq, void *data)
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{
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struct axp_powerkey_info *info = (struct axp_powerkey_info *)data;
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AXP_DEBUG(AXP_INT, info->chip->pmu_num, "power key short\n");
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input_report_key(info->idev, KEY_POWER, 1);
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input_sync(info->idev);
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msleep(100);
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input_report_key(info->idev, KEY_POWER, 0);
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input_sync(info->idev);
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return IRQ_HANDLED;
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}
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struct axp_interrupts axp_powerkey_irq[4] = {
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{"PEK_DBR", axp_key_up_handler},
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{"PEK_DBF", axp_key_down_handler},
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{"PEK_LONG", axp_presslong_handler},
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{"PEK_SHORT", axp_pressshort_handler},
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};
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int axp_powerkey_dt_parse(struct device_node *node,
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struct axp_config_info *axp_config)
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{
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if (!of_device_is_available(node)) {
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pr_err("%s: failed\n", __func__);
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return -1;
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}
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AXP_OF_PROP_READ(pmu_powkey_off_time, 6000);
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AXP_OF_PROP_READ(pmu_powkey_off_func, 0);
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AXP_OF_PROP_READ(pmu_powkey_off_en, 1);
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AXP_OF_PROP_READ(pmu_powkey_off_delay_time, 0);
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AXP_OF_PROP_READ(pmu_powkey_long_time, 1500);
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AXP_OF_PROP_READ(pmu_powkey_on_time, 1000);
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AXP_OF_PROP_READ(pmu_pwrok_time, 64);
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AXP_OF_PROP_READ(pmu_pwrnoe_time, 2000);
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return 0;
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}
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EXPORT_SYMBOL_GPL(axp_powerkey_dt_parse);
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MODULE_DESCRIPTION("ALLWINNERTECH axp powerkey");
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MODULE_AUTHOR("pannan");
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MODULE_LICENSE("GPL");
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