From ccf51927b9d13b53f41a3edc566da2fcba184a64 Mon Sep 17 00:00:00 2001
From: Jens Arnold <amiconn@rockbox.org>
Date: Fri, 3 Aug 2007 12:05:47 +0000
Subject: Disk poweroff for 1st/2nd gen iPods.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@14157 a1c6a512-1295-4272-9138-f99709370657
---
 firmware/export/config-ipod1g2g.h     |  3 +++
 firmware/target/arm/ipod/power-ipod.c | 19 +++++++++++++++++--
 2 files changed, 20 insertions(+), 2 deletions(-)

(limited to 'firmware')

diff --git a/firmware/export/config-ipod1g2g.h b/firmware/export/config-ipod1g2g.h
index 37ebb32f86..4ee434f732 100644
--- a/firmware/export/config-ipod1g2g.h
+++ b/firmware/export/config-ipod1g2g.h
@@ -73,6 +73,9 @@
 /* Define this if you have a PortalPlayer PP5002 */
 #define CONFIG_CPU PP5002
 
+/* We're able to shut off power to the HDD */
+#define HAVE_ATA_POWER_OFF
+
 /* Define this if you want to use the PP5002 i2c interface */
 #define CONFIG_I2C I2C_PP5002
 
diff --git a/firmware/target/arm/ipod/power-ipod.c b/firmware/target/arm/ipod/power-ipod.c
index 1a84cbe022..1b5ea60d87 100644
--- a/firmware/target/arm/ipod/power-ipod.c
+++ b/firmware/target/arm/ipod/power-ipod.c
@@ -30,7 +30,11 @@
 
 void power_init(void)
 {
-#ifndef IPOD_1G2G
+#ifdef IPOD_1G2G  /* probably also 3rd gen */
+    GPIOC_ENABLE |= 0x40;      /* GPIO C6 is HDD power (low active) */
+    GPIOC_OUTPUT_VAL &= ~0x40; /* on by default */
+    GPIOC_OUTPUT_EN |= 0x40;   /* enable output */
+#else
     pcf50605_init();
 #endif
 }
@@ -53,14 +57,25 @@ bool charging_state(void) {
 
 void ide_power_enable(bool on)
 {
-    /* We do nothing on the iPod */
+#ifdef IPOD_1G2G /* probably also 3rd gen */
+    if (on)
+        GPIOC_OUTPUT_VAL &= ~0x40;
+    else
+        GPIOC_OUTPUT_VAL |= 0x40;
+#else
+    /* We do nothing on other iPods yet */
     (void)on;
+#endif
 }
 
 bool ide_powered(void)
 {
+#ifdef IPOD_1G2G  /* probably also 3rd gen */
+    return !(GPIOC_OUTPUT_VAL & 0x40);
+#else
     /* pretend we are always powered - we don't turn it off on the ipod */
     return true;
+#endif
 }
 
 void power_off(void)
-- 
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