117 lines
2.7 KiB
C
117 lines
2.7 KiB
C
|
/*
|
||
|
|
* sec_pm_debug.c
|
||
|
|
*
|
||
|
|
* Copyright (c) 2017 Samsung Electronics Co., Ltd.
|
||
|
|
* http://www.samsung.com
|
||
|
|
* Minsung Kim <ms925.kim@samsung.com>
|
||
|
|
*
|
||
|
|
* This program is free software; you can redistribute it and/or modify
|
||
|
|
* it under the terms of the GNU General Public License version 2 as
|
||
|
|
* published by the Free Software Foundation.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <linux/init.h>
|
||
|
|
#include <linux/kernel.h>
|
||
|
|
#include <linux/debugfs.h>
|
||
|
|
#include <linux/device.h>
|
||
|
|
#include <linux/sec_class.h>
|
||
|
|
#include <linux/sec_pm_debug.h>
|
||
|
|
|
||
|
|
u8 pmic_onsrc;
|
||
|
|
u8 pmic_offsrc;
|
||
|
|
|
||
|
|
unsigned long long sleep_time_sec;
|
||
|
|
unsigned int sleep_count;
|
||
|
|
|
||
|
|
static int sec_pm_debug_ocp_info_show(struct seq_file *m, void *v)
|
||
|
|
{
|
||
|
|
seq_printf(m, "No OCP(ON:0x%02X OFF:0x%02X)\n", pmic_onsrc,
|
||
|
|
pmic_offsrc);
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int ocp_info_open(struct inode *inode, struct file *file)
|
||
|
|
{
|
||
|
|
return single_open(file, sec_pm_debug_ocp_info_show, inode->i_private);
|
||
|
|
}
|
||
|
|
|
||
|
|
const static struct file_operations ocp_info_fops = {
|
||
|
|
.open = ocp_info_open,
|
||
|
|
.read = seq_read,
|
||
|
|
.llseek = seq_lseek,
|
||
|
|
.release = single_release,
|
||
|
|
};
|
||
|
|
|
||
|
|
static int sec_pm_debug_on_offsrc_show(struct seq_file *m, void *v)
|
||
|
|
{
|
||
|
|
seq_printf(m, "PWRONSRC:0x%02X OFFSRC:0x%02X\n", pmic_onsrc,
|
||
|
|
pmic_offsrc);
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int on_offsrc_open(struct inode *inode, struct file *file)
|
||
|
|
{
|
||
|
|
return single_open(file, sec_pm_debug_on_offsrc_show, inode->i_private);
|
||
|
|
}
|
||
|
|
|
||
|
|
const static struct file_operations on_offsrc_fops = {
|
||
|
|
.open = on_offsrc_open,
|
||
|
|
.read = seq_read,
|
||
|
|
.llseek = seq_lseek,
|
||
|
|
.release = single_release,
|
||
|
|
};
|
||
|
|
|
||
|
|
static ssize_t sleep_time_sec_show(struct device *dev,
|
||
|
|
struct device_attribute *attr, char *buf)
|
||
|
|
{
|
||
|
|
return sprintf(buf, "%llu\n", sleep_time_sec);
|
||
|
|
}
|
||
|
|
|
||
|
|
static ssize_t sleep_count_show(struct device *dev,
|
||
|
|
struct device_attribute *attr, char *buf)
|
||
|
|
{
|
||
|
|
return sprintf(buf, "%u\n", sleep_count);
|
||
|
|
}
|
||
|
|
|
||
|
|
static DEVICE_ATTR_RO(sleep_time_sec);
|
||
|
|
static DEVICE_ATTR_RO(sleep_count);
|
||
|
|
|
||
|
|
static struct attribute *sec_pm_debug_attrs[] = {
|
||
|
|
&dev_attr_sleep_time_sec.attr,
|
||
|
|
&dev_attr_sleep_count.attr,
|
||
|
|
NULL
|
||
|
|
};
|
||
|
|
ATTRIBUTE_GROUPS(sec_pm_debug);
|
||
|
|
|
||
|
|
static int __init sec_pm_debug_init(void)
|
||
|
|
{
|
||
|
|
struct device *sec_pm_dev;
|
||
|
|
int ret;
|
||
|
|
|
||
|
|
debugfs_create_file("ocp_info", 0444, NULL, NULL, &ocp_info_fops);
|
||
|
|
debugfs_create_file("pwr_on_offsrc", 0444, NULL, NULL, &on_offsrc_fops);
|
||
|
|
|
||
|
|
sec_pm_dev = sec_device_create(NULL, "pm");
|
||
|
|
|
||
|
|
if (IS_ERR(sec_pm_dev)) {
|
||
|
|
pr_err("%s: fail to create sec_pm_dev\n", __func__);
|
||
|
|
return PTR_ERR(sec_pm_dev);
|
||
|
|
}
|
||
|
|
|
||
|
|
ret = sysfs_create_groups(&sec_pm_dev->kobj, sec_pm_debug_groups);
|
||
|
|
if (ret) {
|
||
|
|
pr_err("%s: failed to create sysfs groups(%d)\n", __func__, ret);
|
||
|
|
goto err_create_sysfs;
|
||
|
|
}
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
|
||
|
|
err_create_sysfs:
|
||
|
|
sec_device_destroy(sec_pm_dev->devt);
|
||
|
|
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
late_initcall(sec_pm_debug_init);
|