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/*
* Copyright (C) 2015 MediaTek Inc.
*
* 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.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <linux/module.h>
#include <linux/init.h>
#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/proc_fs.h>
#include <linux/cdev.h>
#include <linux/mm.h>
#include <asm/io.h>
#include <linux/uaccess.h>
#include <linux/ioctl.h>
#include <linux/device.h>
#include <linux/platform_device.h>
#include "devinfo.h"
#include "mach/mt_devinfo.h"
/**************************************************************************
* DEV DRIVER SYSFS
**************************************************************************/
static struct platform_driver dev_info = {
.driver = {
.name = "dev_info",
.bus = &platform_bus_type,
.owner = THIS_MODULE,
}
};
static ssize_t devinfo_show(struct device_driver *driver, char *buf)
{
unsigned int i;
unsigned int *output = (unsigned int *)buf;
output[0] = devinfo_get_size();
for (i = 0; i < output[0]; i++)
output[i + 1] = get_devinfo_with_index(i);
return (output[0] + 1) * sizeof(unsigned int);
}
DRIVER_ATTR(dev_info, 0444, devinfo_show, NULL);
static int __init devinfo_init(void)
{
int ret = 0;
/* register driver and create sysfs files */
ret = driver_register(&dev_info.driver);
if (ret) {
pr_warn("fail to register devinfo driver\n");
return -1;
}
ret = driver_create_file(&dev_info.driver, &driver_attr_dev_info);
if (ret) {
pr_warn("[BOOT INIT] Fail to create devinfo sysfs file\n");
driver_unregister(&dev_info.driver);
return -1;
}
return 0;
}
module_init(devinfo_init);
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