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Tentative USB support for gmini

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@5739 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Jean-Philippe Bernardy 2005-02-02 17:14:53 +00:00
parent 5dc8ff6b8c
commit 93a34f017a
1 changed files with 46 additions and 0 deletions
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46
firmware/usb.c
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@ -80,6 +80,20 @@ static struct event_queue usb_queue;
static bool last_usb_status;
static bool usb_monitor_enabled;
#ifdef USB_GMINISTYLE
static int getSMSCVer(void) {
int v;
int* smscVerAddr = (int*)0x4C20;
__asm__ ("ldc %0, @%1" : "=r"(v) : "a"(smscVerAddr));
v &= 0xFF;
if (v < 4 || v == 0xFF) {
return 3;
}
return v;
}
#endif
static void usb_enable(bool on)
{
#ifdef USB_ENABLE_ONDIOSTYLE
@ -103,6 +117,34 @@ static void usb_enable(bool on)
}
or_b(0x28, &PAIORL); /* output for USB enable and card detect */
#else /* standard HD Jukebox */
#ifdef USB_GMINISTYLE
{
int i;
int smscVer = getSMSCVer();
if (on) {
if (smscVer < 4) {
P6 &= ~0x04;
P10 &= ~0x20;
for (i=0; i < 20; i++)
;
P6 |= 0x08;
P10 |= 0x20;
for (i=0; i < 20; i++)
;
}
P6 |= 0x10;
} else {
P6 &= ~0x10;
if (smscVer < 4) {
P6 &= ~0x04;
P10 &= ~0x20;
}
}
}
#else
#ifdef HAVE_LCD_BITMAP
if(read_hw_mask() & USB_ACTIVE_HIGH)
on = !on;
@ -117,6 +159,7 @@ static void usb_enable(bool on)
}
or_b(0x04, &PAIORH);
#endif
#endif
}
static void usb_slave_mode(bool on)
@ -299,6 +342,9 @@ bool usb_detect(void)
#endif
#ifdef IRIVER_H100
current_status = (GPIO1_READ & 0x80)?true:false;
#endif
#ifdef USB_GMINISTYLE
current_status = (P5 & 0x80)?true:false;
#endif
return current_status;
}