Moved archos power handling into target tree. * Tuner power handling cleaned up a bit.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@14345 a1c6a512-1295-4272-9138-f99709370657

4 files changed, 377 insertions, 0 deletions

diff --git a/firmware/target/sh/archos/fm_v2/power-fm_v2.c b/firmware/target/sh/archos/fm_v2/power-fm_v2.c
new file mode 100644
index 0000000000..94a36339bb
--- /dev/null
+++ b/firmware/target/sh/archos/fm_v2/power-fm_v2.c
@@ -0,0 +1,109 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2002 by Linus Nielsen Feltzing
+ *
+ * All files in this archive are subject to the GNU General Public License.
+ * See the file COPYING in the source tree root for full license agreement.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+#include "config.h"
+#include "cpu.h"
+#include <stdbool.h>
+#include "adc.h"
+#include "kernel.h"
+#include "system.h"
+#include "power.h"
+#include "usb.h"
+
+#if CONFIG_TUNER
+
+bool tuner_power(bool status)
+{
+    (void)status;
+    return true;
+}
+
+#endif /* #if CONFIG_TUNER */
+
+void power_init(void)
+{
+    PBCR2 &= ~0x0c00;    /* GPIO for PB5 */
+    or_b(0x20, &PBIORL);
+    or_b(0x20, &PBDRL);  /* hold power */
+}
+
+bool charger_inserted(void)
+{
+    /* FM or V2 can also charge from the USB port */
+    return (adc_read(ADC_CHARGE_REGULATOR) < 0x1FF);
+}
+
+/* Returns true if the unit is charging the batteries. */
+bool charging_state(void) 
+{
+  /* We use the information from the ADC_EXT_POWER ADC channel, which
+    tells us the charging current from the LTC1734. When DC is
+    connected (either via the external adapter, or via USB), we try
+    to determine if it is actively charging or only maintaining the
+    charge. My tests show that ADC readings below about 0x80 means
+    that the LTC1734 is only maintaining the charge. */
+    return adc_read(ADC_EXT_POWER) >= 0x80;
+}
+
+void ide_power_enable(bool on)
+{
+    bool touched = false;
+
+    if(on)
+    {
+        or_b(0x20, &PADRL);
+        touched = true;
+    }
+#ifdef HAVE_ATA_POWER_OFF
+    if(!on)
+    {
+        and_b(~0x20, &PADRL);
+        touched = true;
+    }
+#endif /* HAVE_ATA_POWER_OFF */
+
+/* late port preparation, else problems with read/modify/write 
+   of other bits on same port, while input and floating high */
+    if (touched)
+    {
+        or_b(0x20, &PAIORL); /* PA5 is an output */
+        PACR2 &= 0xFBFF; /* GPIO for PA5 */
+    }
+}
+
+
+bool ide_powered(void)
+{
+#ifdef HAVE_ATA_POWER_OFF
+    if ((PACR2 & 0x0400) || !(PAIORL & 0x20)) /* not configured for output */
+        return true; /* would be floating high, disk on */
+    else
+        return (PADRL & 0x20) != 0;
+#else /* !defined(NEEDS_ATA_POWER_ON) && !defined(HAVE_ATA_POWER_OFF) */
+    return true; /* pretend always powered if not controlable */
+#endif
+}
+
+void power_off(void)
+{
+    set_irq_level(HIGHEST_IRQ_LEVEL);
+    and_b(~0x20, &PBDRL);
+    or_b(0x20, &PBIORL);
+    while(1)
+        yield();
+}
diff --git a/firmware/target/sh/archos/ondio/power-ondio.c b/firmware/target/sh/archos/ondio/power-ondio.c
new file mode 100644
index 0000000000..cedc3d10b9
--- /dev/null
+++ b/firmware/target/sh/archos/ondio/power-ondio.c
@@ -0,0 +1,78 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2002 by Linus Nielsen Feltzing
+ *
+ * All files in this archive are subject to the GNU General Public License.
+ * See the file COPYING in the source tree root for full license agreement.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+#include "config.h"
+#include "cpu.h"
+#include <stdbool.h>
+#include "adc.h"
+#include "kernel.h"
+#include "system.h"
+#include "power.h"
+#include "usb.h"
+#include "backlight-target.h"
+
+#if CONFIG_TUNER
+
+static bool powered = false;
+
+bool tuner_power(bool status)
+{
+    bool old_status = powered;
+
+    powered = status;
+    if (status)
+    {
+        and_b(~0x04, &PADRL); /* drive PA2 low for tuner enable */
+        sleep(1); /* let the voltage settle */
+    }
+    else
+        or_b(0x04, &PADRL); /* drive PA2 high for tuner disable */
+    return old_status;
+}
+
+#endif /* #if CONFIG_TUNER */
+
+void power_init(void)
+{
+    PBCR2 &= ~0x0c00;    /* GPIO for PB5 */
+    or_b(0x20, &PBIORL);
+    or_b(0x20, &PBDRL);  /* hold power */
+#ifndef HAVE_BACKLIGHT
+    /* Disable backlight on backlight-modded Ondios when running
+     * a standard build (always on otherwise). */
+    PACR1 &= ~0x3000;    /* Set PA14 (backlight control) to GPIO */
+    and_b(~0x40, &PADRH); /* drive it low */
+    or_b(0x40, &PAIORH); /* ..and output */
+#endif
+    PACR2 &= ~0x0030;  /* GPIO for PA2 */
+    or_b(0x04, &PADRL); /* drive PA2 high for tuner disable */
+    or_b(0x04, &PAIORL); /* output for PA2 */
+}
+
+void power_off(void)
+{
+    set_irq_level(HIGHEST_IRQ_LEVEL);
+#ifdef HAVE_BACKLIGHT
+    /* Switch off the light on backlight-modded Ondios */
+    __backlight_off();
+#endif
+    and_b(~0x20, &PBDRL);
+    or_b(0x20, &PBIORL);
+    while(1)
+        yield();
+}
diff --git a/firmware/target/sh/archos/player/power-player.c b/firmware/target/sh/archos/player/power-player.c
new file mode 100644
index 0000000000..7d9d0d7d16
--- /dev/null
+++ b/firmware/target/sh/archos/player/power-player.c
@@ -0,0 +1,87 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2002 by Linus Nielsen Feltzing
+ *
+ * All files in this archive are subject to the GNU General Public License.
+ * See the file COPYING in the source tree root for full license agreement.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+#include "config.h"
+#include "cpu.h"
+#include <stdbool.h>
+#include "adc.h"
+#include "kernel.h"
+#include "system.h"
+#include "power.h"
+#include "usb.h"
+
+void power_init(void)
+{
+}
+
+bool charger_inserted(void)
+{
+    /* Player */
+    return (PADR & 1) == 0;
+}
+
+void ide_power_enable(bool on)
+{
+    bool touched = false;
+
+    if(on)
+    {
+        or_b(0x10, &PBDRL);
+        touched = true;
+    }
+#ifdef HAVE_ATA_POWER_OFF
+    if(!on)
+    {
+        and_b(~0x10, &PBDRL);
+        touched = true;
+    }
+#endif /* HAVE_ATA_POWER_OFF */
+
+/* late port preparation, else problems with read/modify/write 
+   of other bits on same port, while input and floating high */
+    if (touched)
+    {
+        or_b(0x10, &PBIORL); /* PB4 is an output */
+        PBCR2 &= ~0x0300; /* GPIO for PB4 */
+    }
+}
+
+
+bool ide_powered(void)
+{
+#ifdef HAVE_ATA_POWER_OFF
+    /* This is not correct for very old players, since these are unable to
+     * control hd power. However, driving the pin doesn't hurt, because it
+     * is not connected anywhere */
+    if ((PBCR2 & 0x0300) || !(PBIORL & 0x10)) /* not configured for output */
+        return false; /* would be floating low, disk off */
+    else
+        return (PBDRL & 0x10) != 0;
+#else /* !defined(NEEDS_ATA_POWER_ON) && !defined(HAVE_ATA_POWER_OFF) */
+    return true; /* pretend always powered if not controlable */
+#endif
+}
+
+void power_off(void)
+{
+    set_irq_level(HIGHEST_IRQ_LEVEL);
+    and_b(~0x08, &PADRH);
+    or_b(0x08, &PAIORH);
+    while(1)
+        yield();
+}
diff --git a/firmware/target/sh/archos/recorder/power-recorder.c b/firmware/target/sh/archos/recorder/power-recorder.c
new file mode 100644
index 0000000000..2af8df1bb6
--- /dev/null
+++ b/firmware/target/sh/archos/recorder/power-recorder.c
@@ -0,0 +1,103 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2002 by Linus Nielsen Feltzing
+ *
+ * All files in this archive are subject to the GNU General Public License.
+ * See the file COPYING in the source tree root for full license agreement.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+#include "config.h"
+#include "cpu.h"
+#include <stdbool.h>
+#include "adc.h"
+#include "kernel.h"
+#include "system.h"
+#include "power.h"
+#include "usb.h"
+
+bool charger_enabled;
+
+void power_init(void)
+{
+    PBCR2 &= ~0x0c00;    /* GPIO for PB5 */
+    or_b(0x20, &PBIORL); /* Set charging control bit to output */
+    charger_enable(false); /* Default to charger OFF */
+}
+
+bool charger_inserted(void)
+{
+    /* Recorder */
+    return adc_read(ADC_EXT_POWER) > 0x100;
+}
+
+void charger_enable(bool on)
+{
+    if(on)
+    {
+        and_b(~0x20, &PBDRL);
+        charger_enabled = 1;
+    } 
+    else 
+    {
+        or_b(0x20, &PBDRL);
+        charger_enabled = 0;
+    }
+}
+
+void ide_power_enable(bool on)
+{
+    bool touched = false;
+
+    if(on)
+    {
+        or_b(0x20, &PADRL);
+        touched = true;
+    }
+#ifdef HAVE_ATA_POWER_OFF
+    if(!on)
+    {
+        and_b(~0x20, &PADRL);
+        touched = true;
+    }
+#endif /* HAVE_ATA_POWER_OFF */
+
+/* late port preparation, else problems with read/modify/write 
+   of other bits on same port, while input and floating high */
+    if (touched)
+    {
+        or_b(0x20, &PAIORL); /* PA5 is an output */
+        PACR2 &= 0xFBFF; /* GPIO for PA5 */
+    }
+}
+
+
+bool ide_powered(void)
+{
+#ifdef HAVE_ATA_POWER_OFF
+    if ((PACR2 & 0x0400) || !(PAIORL & 0x20)) /* not configured for output */
+        return true; /* would be floating high, disk on */
+    else
+        return (PADRL & 0x20) != 0;
+#else /* !defined(NEEDS_ATA_POWER_ON) && !defined(HAVE_ATA_POWER_OFF) */
+    return true; /* pretend always powered if not controlable */
+#endif
+}
+
+void power_off(void)
+{
+    set_irq_level(HIGHEST_IRQ_LEVEL);
+    and_b(~0x10, &PBDRL);
+    or_b(0x10, &PBIORL);
+    while(1)
+        yield();
+}