/* --------------------------------------------------------------------- */
static int dabusb_probe (struct usb_interface *intf,
const struct usb_device_id *id)
{
struct usb_device *usbdev = interface_to_usbdev(intf);
int retval;
pdabusb_t s;
dbg("dabusb: probe: vendor id 0x%x, device id 0x%x ifnum:%d",
usbdev->descriptor.idVendor, usbdev->descriptor.idProduct, intf->altsetting->desc.bInterfaceNumber);
/* We don't handle multiple configurations */
if (usbdev->descriptor.bNumConfigurations != 1)
return -ENODEV;
if (intf->altsetting->desc.bInterfaceNumber != _DABUSB_IF && usbdev->descriptor.idProduct == 0x9999)
return -ENODEV;
s = &dabusb[intf->minor];
down (&s->mutex);
s->remove_pending = 0;
s->usbdev = usbdev;
s->devnum = intf->minor;
if (usb_reset_configuration (usbdev) < 0) {
err("reset_configuration failed");
goto reject;
}
if (usbdev->descriptor.idProduct == 0x2131) {
dabusb_loadmem (s, NULL);
goto reject;
}
else {
dabusb_fpga_download (s, NULL);
if (usb_set_interface (s->usbdev, _DABUSB_IF, 0) < 0) {
err("set_interface failed");
goto reject;
}
}
dbg("bound to interface: %d", intf->altsetting->desc.bInterfaceNumber);
usb_set_intfdata (intf, s);
up (&s->mutex);
retval = usb_register_dev(intf, &dabusb_class);
if (retval) {
usb_set_intfdata (intf, NULL);
return -ENOMEM;
}
return 0;
reject:
up (&s->mutex);
s->usbdev = NULL;
return -ENODEV;
}
/* --------------------------------------------------------------------- */
static void *dabusb_probe (struct usb_device *usbdev, unsigned int ifnum)
{
int devnum;
pdabusb_t s;
dbg("dabusb: probe: vendor id 0x%x, device id 0x%x ifnum:%d",
usbdev->descriptor.idVendor, usbdev->descriptor.idProduct, ifnum);
/* the 1234:5678 is just a self assigned test ID */
if ((usbdev->descriptor.idVendor != 0x0547 || usbdev->descriptor.idProduct != 0x2131) &&
(usbdev->descriptor.idVendor != 0x0547 || usbdev->descriptor.idProduct != 0x9999))
return NULL;
/* We don't handle multiple configurations */
if (usbdev->descriptor.bNumConfigurations != 1)
return NULL;
if (ifnum != _DABUSB_IF && usbdev->descriptor.idProduct == 0x9999)
return NULL;
devnum = dabusb_find_struct ();
if (devnum == -1)
return NULL;
s = &dabusb[devnum];
down (&s->mutex);
s->remove_pending = 0;
s->usbdev = usbdev;
if (usb_set_configuration (usbdev, usbdev->config[0].bConfigurationValue) < 0) {
err("set_configuration failed");
goto reject;
}
if (usbdev->descriptor.idProduct == 0x2131) {
dabusb_loadmem (s, NULL);
goto reject;
}
else {
dabusb_fpga_download (s, NULL);
if (usb_set_interface (s->usbdev, _DABUSB_IF, 0) < 0) {
err("set_interface failed");
goto reject;
}
}
dbg("bound to interface: %d", ifnum);
up (&s->mutex);
MOD_INC_USE_COUNT;
return s;
reject:
up (&s->mutex);
s->usbdev = NULL;
return NULL;
}
