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     /* clear bit 0 of system register */
  30     ascodec_write(AS3514_SYSTEM, ascodec_read(AS3514_SYSTEM) & ~1);
  31
  32     /* TODO : turn off peripherals properly ? */
  33
  34     while(1); /* wait for system to shut down */
  35 }
  36
  37 void power_init(void)
  38 {
  39 }
  40
  41 #if CONFIG_CHARGING
  42 unsigned int power_input_status(void)
  43 {
  44     return (ascodec_read(AS3514_IRQ_ENRD0) & (1<<5)) ?
  45         POWER_INPUT_MAIN_CHARGER : POWER_INPUT_NONE;
  46
  47     /* TODO: Handle USB and other sources properly */
  48 }
  49 #endif /* CONFIG_CHARGING */
  50
  51 void ide_power_enable(bool on)
  52 {
  53     (void)on;
  54 }
  55
  56 #if CONFIG_TUNER
  57 static bool tuner_on = false;
  58
  59 bool tuner_power(bool status)
  60 {
  61     if (status != tuner_on)
  62     {
  63         tuner_on = status;
  64         status = !status;
  65     }
  66
  67     return status;
  68 }
  69
  70 bool tuner_powered(void)
  71 {
  72     return tuner_on; /* No debug info */
  73 }
  74 #endif