src/sys/dev/usb/usb_subr.c - diff

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Diff for /src/sys/dev/usb/usb_subr.c between version 1.162 and 1.162.12.1

version 1.162, 2008/08/18 18:03:21

version 1.162.12.1, 2013/11/05 18:36:31

Line 75 Static void usbd_devinfo_vp(usbd_device_

Static int usbd_getnewaddr(usbd_bus_handle bus);

Static int usbd_print(void *, const char *);

Static int usbd_ifprint(void *, const char *);

Static void usbd_free_iface_data(usbd_device_handle dev, int ifcno);

Static void usbd_free_iface_data(usbd_device_handle, int);

Static void usbd_kill_pipe(usbd_pipe_handle);

usbd_status usbd_attach_roothub(device_t, usbd_device_handle);

Static usbd_status usbd_probe_and_attach(device_ptr_t parent,

usbd_device_handle dev, int port, int addr);

Static u_int32_t usb_cookie_no = 0;

uint32_t usb_cookie_no = 0;

#ifdef USBVERBOSE

typedef u_int16_t usb_vendor_id_t;

Line 1018 usbd_reattach_device(device_ptr_t parent

Line 1015 usbd_reattach_device(device_ptr_t parent

}

* Get the first 8 bytes of the device descriptor.

* Do as Windows does: try to read 64 bytes -- there are devices which

* recognize the initial descriptor fetch (before the control endpoint's

* MaxPacketSize is known by the host) by exactly this length.

usbd_status

usbd_get_initial_ddesc(usbd_device_handle dev, usb_device_descriptor_t *desc)

{

usb_device_request_t req;

char buf[64];

int res, actlen;

req.bmRequestType = UT_READ_DEVICE;

req.bRequest = UR_GET_DESCRIPTOR;

USETW2(req.wValue, UDESC_DEVICE, 0);

USETW(req.wIndex, 0);

USETW(req.wLength, 64);

res = usbd_do_request_flags(dev, &req, buf, USBD_SHORT_XFER_OK,

&actlen, USBD_DEFAULT_TIMEOUT);

if (res)

return res;

if (actlen < 8)

return USBD_SHORT_XFER;

memcpy(desc, buf, 8);

return USBD_NORMAL_COMPLETION;

}

* Called when a new device has been put in the powered state,

* but not yet in the addressed state.

* Get initial descriptor, set the address, get full descriptor,

Line 1038 usbd_new_device(device_ptr_t parent, usb

Line 1063 usbd_new_device(device_ptr_t parent, usb

DPRINTF(("usbd_new_device bus=%p port=%d depth=%d speed=%d\n",

bus, port, depth, speed));

if (bus->methods->new_device != NULL)

return (bus->methods->new_device)(parent, bus, depth, speed,

port, up);

addr = usbd_getnewaddr(bus);

if (addr < 0) {

printf("%s: No free USB addresses, new device ignored.\n",

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