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USB AMSv2: use tables for usb_drv_port_speed() and usb_drv_mps_by_type()

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@28044 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Rafaël Carré 2010-09-08 06:13:07 +00:00
parent f1adafc05a
commit ca0e95ad08
1 changed files with 21 additions and 24 deletions
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45
firmware/target/arm/as3525/usb-drv-as3525v2.c
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@ -640,34 +640,31 @@ void INT_USB(void)
int usb_drv_port_speed(void)
{
switch(extract(DSTS, enumspd))
{
case DSTS_ENUMSPD_HS_PHY_30MHZ_OR_60MHZ:
return 1;
case DSTS_ENUMSPD_FS_PHY_30MHZ_OR_60MHZ:
case DSTS_ENUMSPD_FS_PHY_48MHZ:
return 0;
break;
case DSTS_ENUMSPD_LS_PHY_6MHZ:
panicf("usb-drv: LS is not supported");
return 0;
default:
panicf("usb-drv: wtf is this speed ?");
return 0;
}
static const uint8_t speed[4] = {
[DSTS_ENUMSPD_HS_PHY_30MHZ_OR_60MHZ] = 1,
[DSTS_ENUMSPD_FS_PHY_30MHZ_OR_60MHZ] = 0,
[DSTS_ENUMSPD_FS_PHY_48MHZ] = 0,
[DSTS_ENUMSPD_LS_PHY_6MHZ] = 0,
};
unsigned enumspd = extract(DSTS, enumspd);
if(enumspd == DSTS_ENUMSPD_LS_PHY_6MHZ)
panicf("usb-drv: LS is not supported");
return speed[enumspd & 3];
}
static unsigned long usb_drv_mps_by_type(int type)
{
bool hs = usb_drv_port_speed();
switch(type)
{
case USB_ENDPOINT_XFER_CONTROL: return 64;
case USB_ENDPOINT_XFER_BULK: return hs ? 512 : 64;
case USB_ENDPOINT_XFER_INT: return hs ? 1024 : 64;
case USB_ENDPOINT_XFER_ISOC: return hs ? 1024 : 1023;
default: return 0;
}
static const uint16_t mps[4][2] = {
/* type fs hs */
[USB_ENDPOINT_XFER_CONTROL] = { 64, 64 },
[USB_ENDPOINT_XFER_ISOC] = { 1023, 1024 },
[USB_ENDPOINT_XFER_BULK] = { 64, 512 },
[USB_ENDPOINT_XFER_INT] = { 64, 1024 },
};
return mps[type & 3][usb_drv_port_speed() & 1];
}
int usb_drv_request_endpoint(int type, int dir)