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added support for USB port test modes, which are (a) required by the spec, and (b) needed for electrical (i.e. signal quality) testing

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@16427 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Frank Gevaerts 2008-02-26 18:02:26 +00:00
parent a36dbaa2c4
commit 97d7f39680
3 changed files with 43 additions and 6 deletions
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1
firmware/export/usb_drv.h
View file

@ -36,5 +36,6 @@ void usb_drv_wait(int endpoint, bool send);
bool usb_drv_powered(void);
int usb_drv_port_speed(void);
void usb_drv_cancel_all_transfers(void);
void usb_drv_set_test_mode(int mode);
#endif

25
firmware/target/arm/usb-drv-pp502x.c
View file

@ -175,7 +175,7 @@
#define PORTSCX_PTC_DISABLE (0x00000000)
#define PORTSCX_PTC_JSTATE (0x00010000)
#define PORTSCX_PTC_KSTATE (0x00020000)
#define PORTSCX_PTC_SEQNAK (0x00030000)
#define PORTSCX_PTC_SE0NAK (0x00030000)
#define PORTSCX_PTC_PACKET (0x00040000)
#define PORTSCX_PTC_FORCE_EN (0x00050000)
#define PORTSCX_PTC_BIT_POS (16)
@ -530,6 +530,29 @@ void usb_drv_reset_endpoint(int endpoint, bool send)
while (REG_ENDPTFLUSH & mask);
}
void usb_drv_set_test_mode(int mode)
{
switch(mode){
case 0:
REG_PORTSC1 &= ~PORTSCX_PORT_TEST_CTRL;
break;
case 1:
REG_PORTSC1 |= PORTSCX_PTC_JSTATE;
break;
case 2:
REG_PORTSC1 |= PORTSCX_PTC_KSTATE;
break;
case 3:
REG_PORTSC1 |= PORTSCX_PTC_SE0NAK;
break;
case 4:
REG_PORTSC1 |= PORTSCX_PTC_PACKET;
break;
case 5:
REG_PORTSC1 |= PORTSCX_PTC_FORCE_EN;
break;
}
}
/*-------------------------------------------------------------------------*/

13
firmware/usbstack/usb_core.c
View file

@ -571,12 +571,25 @@ static void usb_core_control_request_handler(struct usb_ctrlrequest* req)
case USB_REQ_SET_FEATURE:
logf("usb_core: SET_FEATURE");
switch(req->bRequestType & 0x0f){
case 0: /* Device */
if(req->wValue == 2) { /* TEST_MODE */
int mode=req->wIndex>>8;
ack_control(req);
usb_drv_set_test_mode(mode);
}
break;
case 2: /* Endpoint */
if (req->wValue)
usb_drv_stall(req->wIndex & 0xf, true,(req->wIndex & 0x80) !=0);
else
usb_drv_stall(req->wIndex & 0xf, false,(req->wIndex & 0x80) !=0);
ack_control(req);
break;
default:
break;
}
break;
case USB_REQ_SET_ADDRESS: {
unsigned char address = req->wValue;