firmware/target/arm/s5l8700/ipodnano2g/power-nano2g.c

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright © 2009 Bertrik Sikken
  11  *
  12  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU General Public License
  14  * as published by the Free Software Foundation; either version 2
  15  * of the License, or (at your option) any later version.
  16  *
  17  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  18  * KIND, either express or implied.
  19  *
  20  ****************************************************************************/
  21 #include <stdbool.h>
  22 #include "config.h"
  23 #include "inttypes.h"
  24 #include "s5l8700.h"
  25 #include "power.h"
  26 #include "ftl-target.h"
  27 #include <string.h>
  28 #include "panic.h"
  29 #include "pmu-target.h"
  30 #include "lcd.h"
  31
  32
  33 void power_off(void)
  34 {
  35     if (ftl_sync() != 0) panicf("Failed to unmount flash!");
  36
  37     pmu_write(0x2b, 0);  /* Kill the backlight, instantly. */
  38     pmu_write(0x29, 0);
  39
  40     lcd_off();
  41
  42     pmu_switch_power(0, 0);
  43     pmu_switch_power(2, 0);
  44     pmu_switch_power(3, 0);
  45     pmu_switch_power(4, 0);
  46     pmu_switch_power(6, 0);
  47     pmu_switch_power(7, 0);
  48
  49     pmu_write(0x36, pmu_read(0x36) & 0xF0);
  50     pmu_write(0x34, pmu_read(0x34) & 0xF0);
  51     pmu_write(0xD, pmu_read(0xD) | 0x40);
  52     pmu_write(0xD, pmu_read(0xD) | 0x02);
  53     pmu_write(0xC, 1);
  54
  55     while(1);
  56 }
  57
  58 void power_init(void)
  59 {
  60     /* TODO */
  61 }
  62
  63 #if CONFIG_CHARGING
  64 unsigned int power_input_status(void)
  65 {
  66     /* TODO */
  67     return POWER_INPUT_NONE;
  68 }
  69
  70 bool charging_state(void)
  71 {
  72     /* TODO */
  73     return false;
  74 }
  75 #endif /* CONFIG_CHARGING */