firmware/target/arm/as3525/power-as3525.c

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright © 2008 Rafaël Carré
  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 "ascodec-target.h"
  24 #include "as3514.h"
  25 #include "power.h"
  26
  27 void power_off(void)
  28 {
  29 #ifdef HAVE_RTC_ALARM
  30     /* as3543 RTC wake-up needs a specific power down */
  31
  32     extern void rtc_alarm_poweroff(void); /* in drivers/rtc/rtc_as3514.c */
  33
  34     rtc_alarm_poweroff(); /* will return if wake-up isn't enabled */
  35 #endif /* HAVE_RTC_ALARM */
  36
  37     /* clear bit 0 of system register */
  38     ascodec_write(AS3514_SYSTEM, ascodec_read(AS3514_SYSTEM) & ~1);
  39
  40     /* TODO : turn off peripherals properly ? */
  41
  42     while(1); /* wait for system to shut down */
  43 }
  44
  45 void power_init(void)
  46 {
  47 }
  48
  49 #if CONFIG_CHARGING
  50 unsigned int power_input_status(void)
  51 {
  52     return ascodec_chg_status() ?
  53         POWER_INPUT_MAIN_CHARGER : POWER_INPUT_NONE;
  54
  55     /* TODO: Handle USB and other sources properly */
  56 }
  57 #endif /* CONFIG_CHARGING */
  58
  59 void ide_power_enable(bool on)
  60 {
  61     (void)on;
  62 }
  63
  64 #if CONFIG_TUNER
  65 bool tuner_power(bool status)
  66 {
  67     (void) status;
  68     return true;
  69 }
  70
  71 bool tuner_powered(void)
  72 {
  73     return true;
  74 }
  75 #endif