firmware/target/coldfire/iaudio/power-x5m5.c

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2006 by Linus Nielsen Feltzing
  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 "config.h"
  22 #include "cpu.h"
  23 #include <stdbool.h>
  24 #include "kernel.h"
  25 #include "system.h"
  26 #include "power.h"
  27 #include "pcf50606.h"
  28 #include "lcd-remote-target.h"
  29
  30 void power_init(void)
  31 {
  32     /* Charger detect */
  33     and_l(~0x01000000, &GPIO1_ENABLE);
  34     or_l(0x01000000, &GPIO1_FUNCTION);
  35
  36     pcf50606_init();
  37 }
  38
  39 unsigned int power_input_status(void)
  40 {
  41     return (GPIO1_READ & 0x01000000) ?
  42         POWER_INPUT_MAIN_CHARGER : POWER_INPUT_NONE;
  43 }
  44
  45 void ide_power_enable(bool on)
  46 {
  47     /* GPOOD3 */
  48     int level = disable_irq_save();
  49     pcf50606_write(0x3c, on ? 0x07 : 0x00);
  50     restore_irq(level);
  51 }
  52
  53 bool ide_powered(void)
  54 {
  55     int level = disable_irq_save();
  56     int value = pcf50606_read(0x3c);
  57     restore_irq(level);
  58     return (value & 0x07) != 0;
  59 }
  60
  61 void power_off(void)
  62 {
  63     lcd_remote_poweroff();
  64     set_irq_level(DISABLE_INTERRUPTS);
  65     and_l(~0x00000008, &GPIO_OUT); /* Set KEEPACT low */
  66     asm("halt");
  67 }
  68
  69 #if (CONFIG_TUNER & TEA5767)
  70 bool tuner_power(bool status)
  71 {
  72     (void)status;
  73     return true;
  74 }
  75 #endif