/*
* Send a new CC to the device.
*/
static int cbaf_cc_upload(struct cbaf *cbaf)
{
int result;
struct device *dev = &cbaf->usb_iface->dev;
struct wusb_cbaf_cc_data *ccd;
char pr_cdid[WUSB_CKHDID_STRSIZE];
ccd = cbaf->buffer;
*ccd = cbaf_cc_data_defaults;
ccd->CHID = cbaf->chid;
ccd->CDID = cbaf->cdid;
ccd->CK = cbaf->ck;
ccd->BandGroups = cpu_to_le16(cbaf->host_band_groups);
dev_dbg(dev, "Trying to upload CC:\n");
ckhdid_printf(pr_cdid, sizeof(pr_cdid), &ccd->CHID);
dev_dbg(dev, " CHID %s\n", pr_cdid);
ckhdid_printf(pr_cdid, sizeof(pr_cdid), &ccd->CDID);
dev_dbg(dev, " CDID %s\n", pr_cdid);
dev_dbg(dev, " Bandgroups 0x%04x\n", cbaf->host_band_groups);
result = usb_control_msg(
cbaf->usb_dev, usb_sndctrlpipe(cbaf->usb_dev, 0),
CBAF_REQ_SET_ASSOCIATION_RESPONSE,
USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE,
0x0201, cbaf->usb_iface->cur_altsetting->desc.bInterfaceNumber,
ccd, sizeof(*ccd), USB_CTRL_SET_TIMEOUT);
return result;
}
static ssize_t cbaf_wusb_cdid_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct usb_interface *iface = to_usb_interface(dev);
struct cbaf *cbaf = usb_get_intfdata(iface);
char pr_cdid[WUSB_CKHDID_STRSIZE];
ckhdid_printf(pr_cdid, sizeof(pr_cdid), &cbaf->cdid);
return scnprintf(buf, PAGE_SIZE, "%s\n", pr_cdid);
}
static ssize_t wusb_cdid_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
ssize_t result;
struct wusb_dev *wusb_dev;
wusb_dev = wusb_dev_get_by_usb_dev(to_usb_device(dev));
if (wusb_dev == NULL)
return -ENODEV;
result = ckhdid_printf(buf, PAGE_SIZE, &wusb_dev->cdid);
strcat(buf, "\n");
wusb_dev_put(wusb_dev);
return result + 1;
}
/*
* Show the current WUSB CHID.
*/
static ssize_t wusb_chid_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct wusbhc *wusbhc = usbhc_dev_to_wusbhc(dev);
const struct wusb_ckhdid *chid;
ssize_t result = 0;
if (wusbhc->wuie_host_info != NULL)
chid = &wusbhc->wuie_host_info->CHID;
else
chid = &wusb_ckhdid_zero;
result += ckhdid_printf(buf, PAGE_SIZE, chid);
result += sprintf(buf + result, "\n");
return result;
}