C180_oyster_driver/main.c

#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/fs.h>
#include <linux/cdev.h>
#include <linux/device.h>
#include <linux/uaccess.h>
#include <linux/slab.h>
#include <linux/pci.h>
#include <linux/i2c.h>
#include <linux/acpi.h>
#include <linux/interrupt.h>
#include <linux/wait.h>
#include <linux/sched.h>
#include <linux/poll.h>
#include <linux/mutex.h>
#include <linux/delay.h>

#include "light_ring.h"
#include "led.h"
#include "ssegment.h"
#include "ec_version.h"
#include "buzzer.h"
#include "fan.h"
#include "writeprotect.h"
#include "myname.h"
#include "cash_drawers.h"
#include "batteryled.h"
#include "watchdog.h"
#include "power.h"
#include "switches.h"
#include "backlight.h"

struct kobject *vfiec_kobj = NULL;

static int __init all_driver_init(void)
{
    int ret = 0;
    /* 创建 /sys/kernel/vfiec */
    vfiec_kobj = kobject_create_and_add("vfiec", kernel_kobj);
    if (!vfiec_kobj)
    {
        ret = -ENOMEM;
        return ret;
    }

    ret = backlight_init();
    if(ret != 0)
    {
        printk(KERN_ERR "backlight_init failed\n");
        goto out_kobject_put;
    }
    ret = switches_init();
    if(ret != 0)
    {
        printk(KERN_ERR "switches_init failed\n");
        goto out_backlight;
    }
    ret = power_init();
    if(ret != 0)
    {
        printk(KERN_ERR "power_init failed\n");
        goto out_switches;
    }
    ret = watchdog_init();
    if(ret != 0)
    {
        printk(KERN_ERR "watchdog_init failed\n");
        goto out_power;
    }
    ret = batteryled_init();
    if(ret != 0)
    {
        printk(KERN_ERR "batteryled_init failed\n");
        goto out_watchdog;
    }
    ret = cashd_init();
    if(ret != 0)
    {
        printk(KERN_ERR "cashd_init failed\n");
        goto out_batteryled;
    }
    ret = myname_init();
    if(ret != 0)
    {
        printk(KERN_ERR "myname_init failed\n");
        goto out_cashd;
    }
    ret = writeprotect_init();
    if(ret != 0)
    {
        printk(KERN_ERR "writeprotect_init failed\n");
        goto out_myname;
    }
    ret = fan_init();
    if(ret != 0)
    {
        printk(KERN_ERR "fan_init failed\n");
        goto out_writeprotect;
    }
    ret = buzzer_init();
    if(ret != 0)
    {
        printk(KERN_ERR "buzzer_init failed\n");
        goto out_fan;
    }
    ret = ec_version_init();
    if(ret != 0)
    {
        printk(KERN_ERR "ec_version_init failed\n");
        goto out_buzzer;
    }
    ret = light_ring_init();
    if(ret != 0)
    {
        printk(KERN_ERR "light_ring_init failed\n");
        goto out_ec_version;
    }
    ret = led_init();
    if(ret != 0)
    {
        printk(KERN_ERR "led_init failed\n");
        goto out_light_ring;
    }
    ret = ssegment_init();
    if(ret != 0)
    {
        printk(KERN_ERR "sssegment_init failed\n");
        goto out_led;
    }
    printk(KERN_INFO "all_driver_init\n");
    return ret;
out_led:
    led_exit();
out_light_ring:
    light_ring_exit();
out_ec_version:
    ec_version_exit();
out_buzzer:
    buzzer_exit();
out_fan:
    fan_exit();
out_writeprotect:
    writeprotect_exit();
out_myname:
    myname_exit();
out_cashd:
    cashd_exit();
out_batteryled:
    batteryled_exit();
out_watchdog:
    watchdog_exit();
out_power:
    power_exit();
out_switches:
    switches_exit();
out_backlight:
    backlight_exit();
out_kobject_put:
    kobject_put(vfiec_kobj);
    return ret;
}

static void __exit all_driver_exit(void)
{
    backlight_exit();
    switches_exit();
    power_exit();
    watchdog_exit();
    batteryled_exit();
    cashd_exit();
    myname_exit();
    writeprotect_exit();
    fan_exit();
    buzzer_exit();
    ec_version_exit();
    light_ring_exit();
    led_exit();
    ssegment_exit();
    kobject_put(vfiec_kobj);
}

module_init(all_driver_init);
module_exit(all_driver_exit);

MODULE_LICENSE("GPL");
MODULE_AUTHOR("Your Name");
MODULE_DESCRIPTION("Fixed I2C Bus Driver for Intel N97 (0000:00:1f.4)");
MODULE_VERSION("1.0");