/*
 * Overview: device mananger(devman) plugin for pinetrail platform
 *
 * Copyright (c) 2000 - 2011 Intel Co., Ltd. All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */

#include <devman/devman.h>
#include <devman/devman_plugin_intf.h>
#include <string.h>

#include "devlog.h"
#include "device_engine.h"

#include "device-manager-plugin-pinetrail.h"

#define BATTERY_PRESENT_PATH   		"/sys/class/power_supply/BAT1/present"
#define BATTERY_CHARGE_STATUS_PATH  "/sys/class/power_supply/BAT1/status"
#define BATTERY_CHARGE_FULL_PATH    "/sys/class/power_supply/BAT1/charge_full"
#define BATTERY_CHARGE_NOW_PATH     "/sys/class/power_supply/BAT1/charge_now"

#define BACKLIGHTNESS_MAX_PATH      "/sys/class/backlight/intel_backlight/max_brightness"
#define BACKLIGHTNESS_PATH          "/sys/class/backlight/intel_backlight/brightness"

#define WAKEUP_COUNT_PATH           "/sys/power/wakeup_count"
#define POWER_STATE_PATH            "/sys/power/state"


#define DEVIDE(_x, _y, _z)\
    if(_y)	\
{	\
    int _tmpy = _y;	\
    _z = 0;	\
    while(_x >= _tmpy)	\
    {			\
        ++_z;	\
        _tmpy += _y;	\
    }	\
}

int OEM_sys_get_backlight_max_brightness(int index, int *value)
{
    int ret = -1;

    ret = sys_get_int(BACKLIGHTNESS_MAX_PATH, value);
    DBG("path[%s]value[%d]", BACKLIGHTNESS_MAX_PATH, *value);
    return ret;
}

int OEM_sys_get_backlight_brightness(int index, int *value, int power_saving)
{
    int ret = -1;

    ret = sys_get_int(BACKLIGHTNESS_PATH, value);
    DBG("path[%s]value[%d]", BACKLIGHTNESS_PATH, *value);

    return ret;
}

int OEM_sys_set_backlight_brightness(int index, int value, int power_saving)
{
    int ret = -1;

    ret = sys_set_int(BACKLIGHTNESS_PATH, value);
    DBG("path[%s]value[%d]", BACKLIGHTNESS_PATH, value);

    return ret;
}

int OEM_sys_get_power_wakeup_count(int *value)
{
    int ret = -1;

    ret = sys_get_int(WAKEUP_COUNT_PATH, value);
    /*
     * Fix me: with the below format output, we always run into
     * SEGFAULT if *value != 0, it may from overflow/out of binds
     * type issue.
     */
    //DBG("path[%s], value[%d], line[%d]", WAKEUP_COUNT_PATH, *value, __LINE__);

    return ret;
}

int OEM_sys_set_power_wakeup_count(int value)
{
    int ret = -1;

    ret = sys_set_int(WAKEUP_COUNT_PATH, value);
    DBG("path[%s]value[%d]", WAKEUP_COUNT_PATH, value);

    return ret;
}

int OEM_sys_set_power_state(int value)
{
    int ret = -1;

    if(POWER_STATE_SUSPEND == value)
        ret = sys_set_str(POWER_STATE_PATH, "mem");
    DBG("path[%s], value[%d]", POWER_STATE_PATH, value);

    return ret;
}

int OEM_sys_get_battery_present(int *value)
{
    int ret = -1;

    ret = sys_get_int(BATTERY_PRESENT_PATH, value);
    DBG("path[%s], value[%d]", BATTERY_PRESENT_PATH, *value);

    return ret;
}


int OEM_sys_get_battery_capacity(int *value)
{
    int ret = -1;
    static int charge_full = 0;
    static int unit = 0;
    int charge_now;
    int capacity = 0;

    if(charge_full == 0)
    {
        ret = sys_get_int(BATTERY_CHARGE_FULL_PATH, &charge_full);
        if(ret != 0)
        {
            ERR("get battery charge full error!");
            charge_full = 0;
            return -1;
        }
        DEVIDE(charge_full, 100, unit);
    }

    ret = sys_get_int(BATTERY_CHARGE_NOW_PATH, &charge_now);
    if(ret != 0)
    {
        ERR("get battery charge now error!");
        return -1;
    }

    DEVIDE(charge_now, unit, capacity);
    *value = capacity;
    DBG("battery capacity value[%d]", *value);

    return 0;
}


int OEM_sys_get_battery_charge_full(int *value)
{
    int capacity = 0;

    if(OEM_sys_get_battery_capacity(&capacity) < 0){
        DBG("OEM_sys_get_battery_capacity failed");
        return -1;
    }else{
        if(capacity == 100){
            *value = 1;
        }else{
            *value = 0;
        }
    }

    DBG("func[%s]value[%d]", __func__, *value);

    return 0;
}

int OEM_sys_get_battery_charge_now(int *value)
{
    char* buf = NULL;
    int ret = -1;
    int len = strlen("Charging\n");

    buf = sys_get_str(BATTERY_CHARGE_STATUS_PATH);

    if(buf){
        if(0 == strncmp(buf, "Charging\n", len )){
            *value = 1;
        }else{
            *value = 0;
        }
        DBG("path[%s]value[%d]", BATTERY_CHARGE_STATUS_PATH, *value);

        free(buf);
        ret = 0;
    }

    return ret;
}

int OEM_sys_get_null_1(int *value)
{
    int ret = -1;
    ERR("this interface is not implemented");

    return ret;
}

int OEM_sys_set_null_1(int value)
{
    int ret = -1;
    ERR("this interface is not implemented");

    return ret;
}


int OEM_sys_get_null_2(int index, int *value)
{
    int ret = -1;
    ERR("this interface is not implemented");

    return ret;

}

int OEM_sys_set_null_2(int index, int value)
{
    int ret = -1;
    ERR("this interface is not implemented");

    return ret;

}


int OEM_sys_get_null_3(char *node)
{
    int ret = -1;
    ERR("this interface is not implemented");

    return ret;

}


/*  devman_plugin_interface_sampledevice is the structure of the type
 *  OEM_sys_devman_plugin_interface in which OEM API’s which are implemented are
 *  defined */

static const OEM_sys_devman_plugin_interface  devman_plugin_interface_pinetrail = {
    OEM_sys_get_null_1, //int        (*OEM_sys_get_display_count) (int *value);

    OEM_sys_get_null_2, //int        (*OEM_sys_get_backlight_min_brightness) (int index, int *value);
    OEM_sys_get_backlight_max_brightness, //int        (*OEM_sys_get_backlight_max_brightness) (int index, int *value);
    OEM_sys_get_backlight_brightness, //int        (*OEM_sys_get_backlight_brightness) (int index, int *value, int power_saving);
    OEM_sys_set_backlight_brightness, //int        (*OEM_sys_set_backlight_brightness) (int index, int value, int power_saving);

    OEM_sys_get_null_2, //int        (*OEM_sys_set_backlight_dimming) (int index, int *value);
    OEM_sys_get_null_2, //int        (*OEM_sys_get_backlight_acl_control) (int index, int *value);
    OEM_sys_set_null_2, //int        (*OEM_sys_set_backlight_acl_control) (int index, int value);

    OEM_sys_get_null_2, //int        (*OEM_sys_get_lcd_power) (int index, int *value);
    OEM_sys_set_null_2, //int        (*OEM_sys_set_lcd_power) (int index, int value);

    OEM_sys_get_null_1, //int        (*OEM_sys_get_image_enhance_mode) (int *value);
    OEM_sys_set_null_1, //int        (*OEM_sys_set_image_enhance_mode) (int value);
    OEM_sys_get_null_1, //int        (*OEM_sys_get_image_enhance_scenario) (int *value);
    OEM_sys_set_null_1, //int        (*OEM_sys_set_image_enhance_scenario) (int value);
    OEM_sys_get_null_1, //int        (*OEM_sys_get_image_enhance_tone) (int *value);
    OEM_sys_set_null_1, //int        (*OEM_sys_set_image_enhance_tone) (int value);
    OEM_sys_get_null_1, //int        (*OEM_sys_get_image_enhance_outdoor) (int *value);
    OEM_sys_set_null_1, //int        (*OEM_sys_set_image_enhance_outdoor) (int value);

    OEM_sys_get_null_1, //int        (*OEM_sys_get_image_enhance_tune) (int *value);
    OEM_sys_set_null_1, //int        (*OEM_sys_set_image_enhance_tune) (int value);

    OEM_sys_get_null_1, //int        (*OEM_sys_image_enhance_info) (int *value);

    OEM_sys_set_null_1, //int        (*OEM_sys_set_display_frame_rate) (int value);

    OEM_sys_get_null_1, //int        (*OEM_sys_get_uart_path) (int *value);
    OEM_sys_set_null_1, //int        (*OEM_sys_set_uart_path) (int value);

    OEM_sys_get_null_1, //int        (*OEM_sys_get_usb_path) (int *value);
    OEM_sys_set_null_1, //int        (*OEM_sys_set_usb_path) (int value);

    OEM_sys_get_null_1, //int        (*OEM_sys_get_haptic_vibetones_level_max) (int *value);
    OEM_sys_get_null_1, //int        (*OEM_sys_get_haptic_vibetones_level) (int *value);
    OEM_sys_set_null_1, //int        (*OEM_sys_set_haptic_vibetones_level) (int value);
    OEM_sys_set_null_1, //int        (*OEM_sys_set_haptic_vibetones_enable) (int value);
    OEM_sys_set_null_1, //int        (*OEM_sys_set_haptic_vibetones_oneshot) (int value);

    OEM_sys_get_battery_capacity, //int     (*OEM_sys_get_battery_capacity) (int *value);
    OEM_sys_get_null_1, //int        (*OEM_sys_get_battery_capacity_raw) (int *value);
    OEM_sys_get_battery_charge_full, //int        (*OEM_sys_get_battery_charge_full) (int *value);
    OEM_sys_get_battery_charge_now, //int        (*OEM_sys_get_battery_charge_now) (int *value);
    OEM_sys_get_battery_present, //int      (*OEM_sys_get_battery_present) (int *value);
    OEM_sys_get_null_1, //int        (*OEM_sys_get_battery_health) (int *value);
    OEM_sys_get_null_1, //int        (*OEM_sys_get_battery_polling_required) (int *value);

    OEM_sys_get_null_1, //int        (*OEM_sys_get_jack_charger_online) (int *value);
    OEM_sys_get_null_1, //int        (*OEM_sys_get_jack_earjack_online) (int *value);
    OEM_sys_get_null_1, //int        (*OEM_sys_get_jack_earkey_online) (int *value);
    OEM_sys_get_null_1, //int        (*OEM_sys_get_jack_hdmi_online) (int *value);
    OEM_sys_get_null_1, //int        (*OEM_sys_get_jack_usb_online) (int *value);
    OEM_sys_get_null_1, //int        (*OEM_sys_get_jack_cradle_online) (int *value);
    OEM_sys_get_null_1, //int        (*OEM_sys_get_jack_tvout_online) (int *value);
    OEM_sys_get_null_1, //int        (*OEM_sys_get_jack_keyboard_online) (int *value);

    OEM_sys_get_null_1, //int        (*OEM_sys_get_leds_torch_max_brightness) (int *value);
    OEM_sys_get_null_1, //int        (*OEM_sys_get_leds_torch_brightness) (int *value);
    OEM_sys_set_null_1, //int        (*OEM_sys_set_leds_torch_brightness) (int value);

    OEM_sys_set_power_state, //int        (*OEM_sys_set_power_state) (int value);

    OEM_sys_get_power_wakeup_count, //int        (*OEM_sys_get_power_wakeup_count) (int *value);
    OEM_sys_set_power_wakeup_count, //int        (*OEM_sys_set_power_wakeup_count) (int value);

    OEM_sys_get_null_3, //int        (*OEM_sys_get_memnotify_node) (char *node);
    OEM_sys_get_null_1, //int        (*OEM_sys_get_memnotify_victim_task) (int *value);
    OEM_sys_set_null_1, //int        (*OEM_sys_set_memnotify_threshold_lv1) (int value);
    OEM_sys_set_null_1, //int        (*OEM_sys_set_memnotify_threshold_lv2) (int value);

    OEM_sys_get_null_3, //int        (*OEM_sys_get_process_monitor_node) (char *node);
    OEM_sys_set_null_1, //int        (*OEM_sys_set_process_monitor_mp_pnp) (int value);
    OEM_sys_set_null_1, //int        (*OEM_sys_set_process_monitor_mp_vip) (int value);

    OEM_sys_get_null_1, //int        (*OEM_sys_get_cpufreq_cpuinfo_max_freq) (int *value);
    OEM_sys_get_null_1, //int        (*OEM_sys_get_cpufreq_cpuinfo_min_freq) (int *value);
    OEM_sys_get_null_1, //int        (*OEM_sys_get_cpufreq_scaling_max_freq) (int *value);
    OEM_sys_set_null_1, //int        (*OEM_sys_set_cpufreq_scaling_max_freq) (int value);
    OEM_sys_get_null_1, //int        (*OEM_sys_get_cpufreq_scaling_min_freq) (int *value);
    OEM_sys_set_null_1, //int        (*OEM_sys_set_cpufreq_scaling_min_freq) (int value);
};

/*  The following code returns  the address  of the structure
 *  devman_plugin_interface_sampledevice  as defined above*/

const OEM_sys_devman_plugin_interface *OEM_sys_get_devman_plugin_interface()
{

    return &devman_plugin_interface_pinetrail;
}