firmware/target/arm/tcc780x/cowond2/power-cowond2.c

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2007 Dave Chapman
  11  *
  12  * All files in this archive are subject to the GNU General Public License.
  13  * See the file COPYING in the source tree root for full license agreement.
  14  *
  15  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  16  * KIND, either express or implied.
  17  *
  18  ****************************************************************************/
  19 #include "cpu.h"
  20 #include "kernel.h"
  21 #include "system.h"
  22 #include "power.h"
  23 #include "pcf50606.h"
  24 #include "button-target.h"
  25
  26 #ifndef SIMULATOR
  27
  28 void power_init(void)
  29 {
  30     unsigned char data[3]; /* 0 = INT1, 1 = INT2, 2 = INT3 */
  31
  32     /* Clear pending interrupts from pcf50606 */
  33     pcf50606_read_multiple(0x02, data, 3);
  34
  35     /* Set outputs as per OF - further investigation required. */
  36     pcf50606_write(PCF5060X_DCDEC1,  0xe4);
  37     pcf50606_write(PCF5060X_IOREGC,  0xf5);
  38     pcf50606_write(PCF5060X_D1REGC1, 0xf5);
  39     pcf50606_write(PCF5060X_D2REGC1, 0xe9);
  40     pcf50606_write(PCF5060X_D3REGC1, 0xf8); /* WM8985 3.3v */
  41     pcf50606_write(PCF5060X_DCUDC1,  0xe7);
  42     pcf50606_write(PCF5060X_LPREGC1, 0x0);
  43     pcf50606_write(PCF5060X_LPREGC2, 0x2);
  44
  45 #ifndef BOOTLOADER
  46     IEN |= EXT3_IRQ_MASK;   /* Unmask EXT3 */
  47 #endif
  48 }
  49
  50 void ide_power_enable(bool on)
  51 {
  52     (void)on;
  53 }
  54
  55 bool ide_powered(void)
  56 {
  57     return true;
  58 }
  59
  60 void power_off(void)
  61 {
  62     /* Forcibly cut power to SoC & peripherals by putting the PCF to sleep */
  63     pcf50606_write(PCF5060X_OOCC1, GOSTDBY | CHGWAK | EXTONWAK);
  64 }
  65
  66 #ifndef BOOTLOADER
  67 void EXT3(void)
  68 {
  69     unsigned char data[3]; /* 0 = INT1, 1 = INT2, 2 = INT3 */
  70
  71     /* Clear pending interrupts from pcf50606 */
  72     int fiq_status = disable_fiq_save();
  73     pcf50606_read_multiple(0x02, data, 3);
  74
  75     if (data[0] & 0x04)
  76     {
  77         /* ONKEY1S: don't reset the timeout, because we want a way to power off
  78            the player in the event of a crashed plugin or UIE/panic, etc. */
  79 #if 0
  80         /* ONKEY1S: reset timeout as we're using SW poweroff */
  81         pcf50606_write(0x08, pcf50606_read(0x08) | 0x02); /* OOCC1: TOTRST=1 */
  82 #endif
  83     }
  84
  85     if (data[2] & 0x08)
  86     {
  87         /* Touchscreen event, do something about it */
  88         button_set_touch_available();
  89     }
  90     restore_fiq(fiq_status);
  91 }
  92 #endif
  93
  94 #if CONFIG_CHARGING
  95 bool charger_inserted(void)
  96 {
  97     return (GPIOC & (1<<26)) ? false:true;
  98 }
  99 #endif
 100
 101 #else /* SIMULATOR */
 102
 103 bool charger_inserted(void)
 104 {
 105     return false;
 106 }
 107
 108 void charger_enable(bool on)
 109 {
 110     (void)on;
 111 }
 112
 113 void power_off(void)
 114 {
 115 }
 116
 117 void ide_power_enable(bool on)
 118 {
 119    (void)on;
 120 }
 121
 122 #endif /* SIMULATOR */