From aa2989f4d272344062c43fc894a7721efd7f9f8c Mon Sep 17 00:00:00 2001
From: Linus Nielsen Feltzing <linus@haxx.se>
Date: Thu, 10 Feb 2005 23:20:34 +0000
Subject: iRiver: USB support

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@5892 a1c6a512-1295-4272-9138-f99709370657
---
 firmware/export/config-h100.h |  2 +-
 firmware/mpeg.c               |  3 +++
 firmware/usb.c                | 23 +++++++++++++++++++----
 3 files changed, 23 insertions(+), 5 deletions(-)

diff --git a/firmware/export/config-h100.h b/firmware/export/config-h100.h
index c8a7a5c26c..0083842770 100644
--- a/firmware/export/config-h100.h
+++ b/firmware/export/config-h100.h
@@ -48,7 +48,7 @@
 /* Offset ( in the firmware file's header ) to the real data */
 #define FIRMWARE_OFFSET_FILE_DATA 8
 
-#define USB_NONE /* FIX: USB temorarily disabled */
+#define USB_IRIVERSTYLE
 
 /* Define this if you have a software controlled poweroff */
 #define HAVE_SW_POWEROFF
diff --git a/firmware/mpeg.c b/firmware/mpeg.c
index 4a1ff52666..954faece94 100644
--- a/firmware/mpeg.c
+++ b/firmware/mpeg.c
@@ -1995,6 +1995,9 @@ static void mpeg_thread(void)
             mpeg_stop_done = true;
             break;
         default:
+            /* Tell the USB thread that we are safe */
+            DEBUGF("mpeg_thread got SYS_USB_CONNECTED\n");
+            usb_acknowledge(SYS_USB_CONNECTED_ACK);
             break;
         }
     }
diff --git a/firmware/usb.c b/firmware/usb.c
index 327b07d39e..a9ce20e13a 100644
--- a/firmware/usb.c
+++ b/firmware/usb.c
@@ -116,8 +116,7 @@ static void usb_enable(bool on)
         or_b(0x08, &PADRL); /* deassert card detect */
     }
     or_b(0x28, &PAIORL); /* output for USB enable and card detect */
-#else /* standard HD Jukebox */
-#ifdef USB_GMINISTYLE
+#elif defined(USB_GMINISTYLE)
     {
         int i;
         int smscVer = getSMSCVer();
@@ -144,6 +143,19 @@ static void usb_enable(bool on)
             }
         }
     }
+#elif defined(USB_IRIVERSTYLE)
+    if(on)
+    {
+        /* Power on the Cypress chip */
+        GPIO_OUT |= 0x01000000;
+        sleep(2);
+    }
+    else
+    {
+        /* Power off the Cypress chip */
+        GPIO_OUT &= ~0x01000000;        
+    }
+    
 #else
 #ifdef HAVE_LCD_BITMAP
     if(read_hw_mask() & USB_ACTIVE_HIGH)
@@ -159,7 +171,6 @@ static void usb_enable(bool on)
     }
     or_b(0x04, &PAIORH);
 #endif
-#endif
 }
 
 static void usb_slave_mode(bool on)
@@ -403,7 +414,11 @@ void usb_init(void)
     countdown = -1;
 
 #ifdef IRIVER_H100
-    GPIO1_FUNCTION |= 0x80; /* GPIO39 is the USB detect input */
+    GPIO_OUT &= ~0x01000000;      /* GPIO24 is the Cypress chip power */
+    GPIO_ENABLE |= 0x01000000;
+    GPIO_FUNCTION |= 0x01000000;
+    
+    GPIO1_FUNCTION |= 0x00000080; /* GPIO39 is the USB detect input */
 #endif
 
     usb_enable(false);
-- 
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