/***************************************************************************
 *             __________               __   ___.
 *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
 *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
 *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
 *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
 *                     \/            \/     \/    \/            \/
 * $Id$
 *
 * Copyright (C) 2002 Björn Stenberg
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
 * KIND, either express or implied.
 *
 ****************************************************************************/
#include "config.h"

#include "storage.h"
#include "disk.h"
#include "fat.h"
#include "lcd.h"
#include "rtc.h"
#include "debug.h"
#include "led.h"
#include "kernel.h"
#include "button.h"
#include "tree.h"
#include "filetypes.h"
#include "panic.h"
#include "menu.h"
#include "system.h"
#include "usb.h"
#include "powermgmt.h"
#include "adc.h"
#include "i2c.h"
#ifndef DEBUG
#include "serial.h"
#endif
#include "audio.h"
#include "mp3_playback.h"
#include "thread.h"
#include "settings.h"
#include "backlight.h"
#include "status.h"
#include "debug_menu.h"
#include "version.h"
#include "font.h"
#include "language.h"
#include "wps.h"
#include "playlist.h"
#include "buffer.h"
#include "rolo.h"
#include "screens.h"
#include "usb_screen.h"
#include "power.h"
#include "talk.h"
#include "plugin.h"
#include "misc.h"
#include "dircache.h"
#ifdef HAVE_TAGCACHE
#include "tagcache.h"
#include "tagtree.h"
#endif
#include "lang.h"
#include "string.h"
#include "splash.h"
#include "eeprom_settings.h"
#include "scrobbler.h"
#include "icon.h"
#include "viewport.h"
#include "statusbar-skinned.h"
#include "bootchart.h"

#ifdef IPOD_ACCESSORY_PROTOCOL
#include "iap.h"
#endif

#if (CONFIG_CODEC == SWCODEC)
#include "playback.h"
#include "tdspeed.h"
#endif
#if (CONFIG_CODEC == SWCODEC) && defined(HAVE_RECORDING) && !defined(SIMULATOR)
#include "pcm_record.h"
#endif

#ifdef BUTTON_REC
    #define SETTINGS_RESET BUTTON_REC
#elif (CONFIG_KEYPAD == GIGABEAT_PAD)
    #define SETTINGS_RESET BUTTON_A
#endif

#if CONFIG_TUNER
#include "radio.h"
#endif
#if (CONFIG_STORAGE & STORAGE_MMC)
#include "ata_mmc.h"
#endif

#ifdef HAVE_REMOTE_LCD
#include "lcd-remote.h"
#endif

#if CONFIG_USBOTG == USBOTG_ISP1362
#include "isp1362.h"
#endif

#if CONFIG_USBOTG == USBOTG_M5636
#include "m5636.h"
#endif

#ifdef SIMULATOR
#include "sim_tasks.h"
#include "system-sdl.h"
#endif

/*#define AUTOROCK*/ /* define this to check for "autostart.rock" on boot */

const char appsversion[]=APPSVERSION;

static void init(void);

#ifdef SIMULATOR
void app_main(void)
#else
/* main(), and various functions called by main() and init() may be
 * be INIT_ATTR. These functions must not be called after the final call
 * to root_menu() at the end of main()
 * see definition of INIT_ATTR in config.h */
int main(void)  INIT_ATTR __attribute__((noreturn));
int main(void)
#endif
{
    int i;
    CHART(">init");
    init();
    CHART("<init");
    FOR_NB_SCREENS(i)
    {
        screens[i].clear_display();
        screens[i].update();
    }
#ifdef HAVE_LCD_BITMAP
    list_init();
#endif
    tree_gui_init();
    /* Keep the order of this 3
     * Must be done before any code uses the multi-screen API */
#ifdef HAVE_USBSTACK
    /* All threads should be created and public queues registered by now */
    usb_start_monitoring();
#endif

#ifdef AUTOROCK
    {
        static const char filename[] = PLUGIN_APPS_DIR "/autostart.rock";

        if(file_exists(filename)) /* no complaint if it doesn't exist */
        {
            plugin_load((char*)filename, NULL); /* start if it does */
        }
    }
#endif /* #ifdef AUTOROCK */

    global_status.last_volume_change = 0;
    /* no calls INIT_ATTR functions after this point anymore!
     * see definition of INIT_ATTR in config.h */
    CHART(">root_menu");
    root_menu();
}

static int init_dircache(bool preinit) INIT_ATTR;
static int init_dircache(bool preinit)
{
#ifdef HAVE_DIRCACHE
    int result = 0;
    bool clear = false;
    
    if (preinit)
        dircache_init();
    
    if (!global_settings.dircache)
        return 0;
    
# ifdef HAVE_EEPROM_SETTINGS
    if (firmware_settings.initialized && firmware_settings.disk_clean 
        && preinit)
    {
        result = dircache_load();

        if (result < 0)
        {
            firmware_settings.disk_clean = false;
            if (global_status.dircache_size <= 0)
            {
                /* This will be in default language, settings are not
                   applied yet. Not really any easy way to fix that. */
                splash(0, str(LANG_SCANNING_DISK));
                clear = true;
            }
            
            dircache_build(global_status.dircache_size);
        }
    }
    else
# endif
    {
        if (preinit)
            return -1;
        
        if (!dircache_is_enabled()
            && !dircache_is_initializing())
        {
            if (global_status.dircache_size <= 0)
            {
                splash(0, str(LANG_SCANNING_DISK));
                clear = true;
            }
            result = dircache_build(global_status.dircache_size);
        }
        
        if (result < 0)
        {
            /* Initialization of dircache failed. Manual action is
             * necessary to enable dircache again.
             */
            splashf(0, "Dircache failed, disabled. Result: %d", result);
            global_settings.dircache = false;
        }
    }
    
    if (clear)
    {
        backlight_on();
        show_logo();
        global_status.dircache_size = dircache_get_cache_size();
        status_save();
    }
    
    return result;
#else
    (void)preinit;
    return 0;
#endif
}

#ifdef HAVE_TAGCACHE
static void init_tagcache(void) INIT_ATTR;
static void init_tagcache(void)
{
    bool clear = false;
#if CONFIG_CODEC == SWCODEC
    long talked_tick = 0;
#endif
    tagcache_init();
    
    while (!tagcache_is_initialized())
    {
        int ret = tagcache_get_commit_step();

        if (ret > 0)
        {
#if CONFIG_CODEC == SWCODEC
            /* hwcodec can't use voice here, as the database commit
             * uses the audio buffer. */
            if(global_settings.talk_menu
               && (talked_tick == 0
                   || TIME_AFTER(current_tick, talked_tick+7*HZ)))
            {
                talked_tick = current_tick;
                talk_id(LANG_TAGCACHE_INIT, false);
                talk_number(ret, true);
                talk_id(VOICE_OF, true);
                talk_number(tagcache_get_max_commit_step(), true);
            }
#endif
#ifdef HAVE_LCD_BITMAP
            if (lang_is_rtl())
            {
                splashf(0, "[%d/%d] %s", ret, tagcache_get_max_commit_step(),
                    str(LANG_TAGCACHE_INIT));
            }
            else
            {
                splashf(0, "%s [%d/%d]", str(LANG_TAGCACHE_INIT), ret,
                    tagcache_get_max_commit_step());
            }
#else
            lcd_double_height(false);
            lcd_putsf(0, 1, " DB [%d/%d]", ret, 
                tagcache_get_max_commit_step());
            lcd_update();
#endif
            clear = true;
        }
        sleep(HZ/4);
    }
    tagtree_init();

    if (clear)
    {
        backlight_on();
        show_logo();
    }
}
#endif

#ifdef SIMULATOR

static void init(void)
{
    kernel_init();
    buffer_init();
    enable_irq();
    lcd_init();
#ifdef HAVE_REMOTE_LCD
    lcd_remote_init();
#endif
    font_init();
    show_logo();
    button_init();
    backlight_init();
    sim_tasks_init();
    lang_init(core_language_builtin, language_strings, 
              LANG_LAST_INDEX_IN_ARRAY);
#ifdef DEBUG
    debug_init();
#endif
    /* Keep the order of this 3 (viewportmanager handles statusbars)
     * Must be done before any code uses the multi-screen API */
    gui_syncstatusbar_init(&statusbars);
    gui_sync_wps_init();
    sb_skin_init();
    viewportmanager_init();

    storage_init();
    settings_reset();
    settings_load(SETTINGS_ALL);
    settings_apply(true);
    init_dircache(true);
    init_dircache(false);
#ifdef HAVE_TAGCACHE
    init_tagcache();
#endif
    sleep(HZ/2);
    tree_mem_init();
    filetype_init();
    playlist_init();

#if CONFIG_CODEC != SWCODEC
    mp3_init( global_settings.volume,
              global_settings.bass,
              global_settings.treble,
              global_settings.balance,
              global_settings.loudness,
              global_settings.avc,
              global_settings.channel_config,
              global_settings.stereo_width,
              global_settings.mdb_strength,
              global_settings.mdb_harmonics,
              global_settings.mdb_center,
              global_settings.mdb_shape,
              global_settings.mdb_enable,
              global_settings.superbass);

    /* audio_init must to know the size of voice buffer so init voice first */
    talk_init();
#endif /* CONFIG_CODEC != SWCODEC */

    scrobbler_init();
#if CONFIG_CODEC == SWCODEC
    tdspeed_init();
#endif /* CONFIG_CODEC == SWCODEC */

    audio_init();
    button_clear_queue(); /* Empty the keyboard buffer */
    
    settings_apply_skins();
}

#else

static void init(void) INIT_ATTR;
static void init(void)
{
    int rc;
    bool mounted = false;
#if CONFIG_CHARGING && (CONFIG_CPU == SH7034)
    /* if nobody initialized ATA before, I consider this a cold start */
    bool coldstart = (PACR2 & 0x4000) != 0; /* starting from Flash */
#endif

    system_init();
    kernel_init();

#ifdef HAVE_ADJUSTABLE_CPU_FREQ
    set_cpu_frequency(CPUFREQ_NORMAL);
#ifdef CPU_COLDFIRE
    coldfire_set_pllcr_audio_bits(DEFAULT_PLLCR_AUDIO_BITS);
#endif
    cpu_boost(true);
#endif
    
    buffer_init();

    settings_reset();

    i2c_init();
    
    power_init();

    enable_irq();
#ifdef CPU_ARM
    enable_fiq();
#endif
    /* current_tick should be ticking by now */
    CHART("ticking");

    lcd_init();
#ifdef HAVE_REMOTE_LCD
    lcd_remote_init();
#endif
    font_init();

    CHART(">show_logo");
    show_logo();
    CHART("<show_logo");
    lang_init(core_language_builtin, language_strings, 
              LANG_LAST_INDEX_IN_ARRAY);

#ifdef DEBUG
    debug_init();
#else
#ifdef HAVE_SERIAL
    serial_setup();
#endif
#endif

#if CONFIG_RTC
    rtc_init();
#endif
#ifdef HAVE_RTC_RAM
    CHART(">settings_load(RTC)");
    settings_load(SETTINGS_RTC); /* early load parts of global_settings */
    CHART("<settings_load(RTC)");
#endif

    adc_init();

    usb_init();
#if CONFIG_USBOTG == USBOTG_ISP1362
    isp1362_init();
#elif CONFIG_USBOTG == USBOTG_M5636
    m5636_init();
#endif

    backlight_init();

    button_init();

    powermgmt_init();

#if CONFIG_TUNER
    radio_init();
#endif

    /* Keep the order of this 3 (viewportmanager handles statusbars)
     * Must be done before any code uses the multi-screen API */
    CHART(">gui_syncstatusbar_init");
    gui_syncstatusbar_init(&statusbars);
    CHART("<gui_syncstatusbar_init");
    CHART(">sb_skin_init");
    sb_skin_init();
    CHART("<sb_skin_init");
    CHART(">gui_sync_wps_init");
    gui_sync_wps_init();
    CHART("<gui_sync_wps_init");
    CHART(">viewportmanager_init");
    viewportmanager_init();
    CHART("<viewportmanager_init");

#if CONFIG_CHARGING && (CONFIG_CPU == SH7034)
    /* charger_inserted() can't be used here because power_thread()
       hasn't checked power_input_status() yet */
    if (coldstart && (power_input_status() & POWER_INPUT_MAIN_CHARGER)
        && !global_settings.car_adapter_mode
#ifdef ATA_POWER_PLAYERSTYLE
        && !ide_powered() /* relies on probing result from bootloader */
#endif
        )
    {
        rc = charging_screen(); /* display a "charging" screen */
        if (rc == 1)            /* charger removed */
            power_off();
        /* "On" pressed or USB connected: proceed */
        show_logo();  /* again, to provide better visual feedback */
    }
#endif

    CHART(">storage_init");
    rc = storage_init();
    CHART("<storage_init");
    if(rc)
    {
#ifdef HAVE_LCD_BITMAP
        lcd_clear_display();
        lcd_putsf(0, 1, "ATA error: %d", rc);
        lcd_puts(0, 3, "Press ON to debug");
        lcd_update();
        while(!(button_get(true) & BUTTON_REL)); /*DO NOT CHANGE TO ACTION SYSTEM */
        dbg_ports();
#endif
        panicf("ata: %d", rc);
    }

#ifdef HAVE_EEPROM_SETTINGS
    CHART(">eeprom_settings_init");
    eeprom_settings_init();
    CHART("<eeprom_settings_init");
#endif

#ifndef HAVE_USBSTACK
    usb_start_monitoring();
    while (usb_detect() == USB_INSERTED)
    {
#ifdef HAVE_EEPROM_SETTINGS
        firmware_settings.disk_clean = false;
#endif
        /* enter USB mode early, before trying to mount */
        if (button_get_w_tmo(HZ/10) == SYS_USB_CONNECTED)
#if (CONFIG_STORAGE & STORAGE_MMC)
            if (!mmc_touched() ||
                (mmc_remove_request() == SYS_HOTSWAP_EXTRACTED))
#endif
            {
                gui_usb_screen_run();
                mounted = true; /* mounting done @ end of USB mode */
            }
#ifdef HAVE_USB_POWER
        if (usb_powered())      /* avoid deadlock */
            break;
#endif
    }
#endif

    if (!mounted)
    {
        CHART(">disk_mount_all");
        rc = disk_mount_all();
        CHART("<disk_mount_all");
        if (rc<=0)
        {
            lcd_clear_display();
            lcd_puts(0, 0, "No partition");
            lcd_puts(0, 1, "found.");
#ifdef HAVE_LCD_BITMAP
            lcd_puts(0, 2, "Insert USB cable");
            lcd_puts(0, 3, "and fix it.");
#endif
            lcd_update();

            while(button_get(true) != SYS_USB_CONNECTED) {};
            gui_usb_screen_run();
            system_reboot();
        }
    }

#if defined(SETTINGS_RESET) || (CONFIG_KEYPAD == IPOD_4G_PAD) || \
    (CONFIG_KEYPAD == IRIVER_H10_PAD)
#ifdef SETTINGS_RESET
    /* Reset settings if holding the reset button. (Rec on Archos,
       A on Gigabeat) */
    if ((button_status() & SETTINGS_RESET) == SETTINGS_RESET)
#else
    /* Reset settings if the hold button is turned on */
    if (button_hold())
#endif
    {
        splash(HZ*2, str(LANG_RESET_DONE_CLEAR));
        settings_reset();
    }
    else
#endif
    {
        CHART(">settings_load(ALL)");
        settings_load(SETTINGS_ALL);
        CHART("<settings_load(ALL)");
    }

    CHART(">init_dircache(true)");
    rc = init_dircache(true);
    CHART("<init_dircache(true)");
    if (rc < 0)
    {
#ifdef HAVE_TAGCACHE
        remove(TAGCACHE_STATEFILE);
#endif
    }

    CHART(">settings_apply(true)");
    settings_apply(true);        
    CHART("<settings_apply(true)");
    CHART(">init_dircache(false)");
    init_dircache(false);
    CHART("<init_dircache(false)");
#ifdef HAVE_TAGCACHE
    CHART(">init_tagcache");
    init_tagcache();
    CHART("<init_tagcache");
#endif

#ifdef HAVE_EEPROM_SETTINGS
    if (firmware_settings.initialized)
    {
        /* In case we crash. */
        firmware_settings.disk_clean = false;
        CHART(">eeprom_settings_store");
        eeprom_settings_store();
        CHART("<eeprom_settings_store");
    }
#endif
    playlist_init();
    tree_mem_init();
    filetype_init();
    scrobbler_init();
#if CONFIG_CODEC == SWCODEC
    tdspeed_init();
#endif /* CONFIG_CODEC == SWCODEC */

#if CONFIG_CODEC != SWCODEC
    /* No buffer allocation (see buffer.c) may take place after the call to
       audio_init() since the mpeg thread takes the rest of the buffer space */
    mp3_init( global_settings.volume,
              global_settings.bass,
              global_settings.treble,
              global_settings.balance,
              global_settings.loudness,
              global_settings.avc,
              global_settings.channel_config,
              global_settings.stereo_width,
              global_settings.mdb_strength,
              global_settings.mdb_harmonics,
              global_settings.mdb_center,
              global_settings.mdb_shape,
              global_settings.mdb_enable,
              global_settings.superbass);

     /* audio_init must to know the size of voice buffer so init voice first */
    talk_init();
#endif /* CONFIG_CODEC != SWCODEC */

    CHART(">audio_init");
    audio_init();
    CHART("<audio_init");

#if (CONFIG_CODEC == SWCODEC) && defined(HAVE_RECORDING) && !defined(SIMULATOR)
    pcm_rec_init();
#endif

    /* runtime database has to be initialized after audio_init() */
    cpu_boost(false);

#if CONFIG_CHARGING
    car_adapter_mode_init();
#endif
#ifdef IPOD_ACCESSORY_PROTOCOL
    iap_setup(global_settings.serial_bitrate);
#endif
#ifdef HAVE_ACCESSORY_SUPPLY
    accessory_supply_set(global_settings.accessory_supply);
#endif
#ifdef HAVE_LINEOUT_POWEROFF
    lineout_set(global_settings.lineout_active);
#endif
#ifdef HAVE_HOTSWAP_STORAGE_AS_MAIN
    CHART("<check_bootfile(false)");
    check_bootfile(false); /* remember write time and filesize */
    CHART(">check_bootfile(false)");
#endif
    CHART("<settings_apply_skins");
    settings_apply_skins();
    CHART(">settings_apply_skins");
}

#ifdef CPU_PP
void cop_main(void)
{
/* This is the entry point for the coprocessor
   Anyone not running an upgraded bootloader will never reach this point,
   so it should not be assumed that the coprocessor be usable even on
   platforms which support it.

   A kernel thread is initially setup on the coprocessor and immediately
   destroyed for purposes of continuity. The cop sits idle until at least
   one thread exists on it. */

/* 3G doesn't have Rolo or dual core support yet */
#if NUM_CORES > 1
    system_init();
    kernel_init();
    /* This should never be reached */
#endif
    while(1) {
        sleep_core(COP);
    }
}
#endif /* CPU_PP */

#endif