/*
* Start the wireless host controller.
*
* Start device notification.
*
* Put hc into run state, set DNTS parameters.
*/
static int whc_start(struct usb_hcd *usb_hcd)
{
struct wusbhc *wusbhc = usb_hcd_to_wusbhc(usb_hcd);
struct whc *whc = wusbhc_to_whc(wusbhc);
u8 bcid;
int ret;
mutex_lock(&wusbhc->mutex);
le_writel(WUSBINTR_GEN_CMD_DONE
| WUSBINTR_HOST_ERR
| WUSBINTR_ASYNC_SCHED_SYNCED
| WUSBINTR_DNTS_INT
| WUSBINTR_ERR_INT
| WUSBINTR_INT,
whc->base + WUSBINTR);
/* set cluster ID */
bcid = wusb_cluster_id_get();
ret = whc_set_cluster_id(whc, bcid);
if (ret < 0)
goto out;
wusbhc->cluster_id = bcid;
/* start HC */
whc_write_wusbcmd(whc, WUSBCMD_RUN, WUSBCMD_RUN);
usb_hcd->uses_new_polling = 1;
set_bit(HCD_FLAG_POLL_RH, &usb_hcd->flags);
usb_hcd->state = HC_STATE_RUNNING;
out:
mutex_unlock(&wusbhc->mutex);
return ret;
}
int whc_bwa_set(struct wusbhc *wusbhc, s8 stream_index, const struct uwb_mas_bm *mas_bm)
{
struct whc *whc = wusbhc_to_whc(wusbhc);
if (stream_index >= 0)
whc_write_wusbcmd(whc, WUSBCMD_WUSBSI_MASK, WUSBCMD_WUSBSI(stream_index));
return whc_do_gencmd(whc, WUSBGENCMDSTS_SET_MAS, 0, (void *)mas_bm, sizeof(*mas_bm));
}
/*
* Stop the wireless host controller.
*
* Stop device notification.
*
* Wait for pending transfer to stop? Put hc into stop state?
*/
static void whc_stop(struct usb_hcd *usb_hcd)
{
struct wusbhc *wusbhc = usb_hcd_to_wusbhc(usb_hcd);
struct whc *whc = wusbhc_to_whc(wusbhc);
mutex_lock(&wusbhc->mutex);
/* stop HC */
le_writel(0, whc->base + WUSBINTR);
whc_write_wusbcmd(whc, WUSBCMD_RUN, 0);
whci_wait_for(&whc->umc->dev, whc->base + WUSBSTS,
WUSBSTS_HCHALTED, WUSBSTS_HCHALTED,
100, "HC to halt");
wusb_cluster_id_put(wusbhc->cluster_id);
mutex_unlock(&wusbhc->mutex);
}
int whc_set_cluster_id(struct whc *whc, u8 bcid)
{
whc_write_wusbcmd(whc, WUSBCMD_BCID_MASK, WUSBCMD_BCID(bcid));
return 0;
}