controller/ehci/usb_ehci_root_hub.c

131  * \param hc the host controller which got the interrupt
133 void usb_ehci_roothub_interrupt(usb_ehci_hc_t *hc)
137     for (uint16_t i = 0; i < hc->rh_num_ports; i++) {
138         ehci_portsc_t ps = ehci_portsc_rd(&hc->ehci_base, i);
146     usb_hub_root_interrupt(hc->controller);
164     usb_ehci_hc_t *hc = (usb_ehci_hc_t *) device->controller->hc_control;
166     const void *data = (const void *) &hc->rh_desc;
181             hc->rh_desc.temp[0] = hc->rh_device_config;
202                     hc->rh_desc.hub_desc = rh_desc;
203                     hc->rh_desc.hub_desc.bNbrPorts = hc
205                     hc->rh_desc.hub_desc.wHubCharacteristics
207                             &hc->ehci_base);
208                     hc->rh_desc.hub_desc.wHubCharacteristics
209                             .power_mode = ehci_hcsparams_ppc_rdf(&hc->ehci_base);
210                     hc->rh_desc.hub_desc.bPwrOn2PwrGood = 200;
211                     hc->rh_desc.hub_desc.bDescLength = 8
212                             + ((hc->rh_num_ports + 7) / 8);
213                     data_length = hc->rh_desc.hub_desc.bDescLength;
237                             str = hc->rh_vendor;
263             hc->rh_desc.temp[0] = 0;
270                 hc->rh_desc.status.wStatus = USB_STATUS_SELF_POWERED;
274             memset(hc->rh_desc.temp, 0, 16);
282             hc->rh_desc.status.wStatus = 0;
290             hc->rh_device_address = req->wValue;
298             hc->rh_device_config = req->wValue;
328             if ((req->wIndex < 1) || (req->wLength > hc->rh_num_ports)) {
337                     ehci_portsc_ped_wrf(&hc->ehci_base, req->wIndex, 0);
340                     if (ehci_portsc_sus_rdf(&hc->ehci_base, req->wIndex)
341                             && (!ehci_portsc_fpr_rdf(&hc->ehci_base, req->wIndex))) {
342                         ehci_portsc_fpr_wrf(&hc->ehci_base, req->wIndex, 1);
346                     ehci_portsc_sus_wrf(&hc->ehci_base, req->wIndex, 0);
347                     ehci_portsc_fpr_wrf(&hc->ehci_base, req->wIndex, 0);
348                     ehci_portsc_ls_wrf(&hc->ehci_base, req->wIndex, 0x3);
352                     ehci_portsc_pp_wrf(&hc->ehci_base, req->wIndex, 0);
359                     ehci_portsc_pic_wrf(&hc->ehci_base, req->wIndex, 0);
362                     ehci_portsc_csc_wrf(&hc->ehci_base, req->wIndex, 1);
366                     ehci_portsc_pec_wrf(&hc->ehci_base, req->wIndex, 1);
369                     ehci_portsc_sus_wrf(&hc->ehci_base, req->wIndex, 1);
372                     ehci_portsc_occ_wrf(&hc->ehci_base, req->wIndex, 1);
375                     hc->rh_reset = 0;
386             if ((req->wIndex < 1) || (req->wIndex > hc->rh_num_ports)) {
392             data_length = sizeof(hc->rh_desc.port_status);
393             struct usb_hub_port_status *ps = &(hc->rh_desc
397             ehci_portsc_t ehci_ps = ehci_portsc_rd(&hc->ehci_base,
423             ps->wPortChange.is_reset = hc->rh_reset;
433             if ((req->wIndex < 1) || (req->wIndex > hc->rh_num_ports)) {
441                     ehci_portsc_ped_wrf(&hc->ehci_base, req->wIndex, 1);
444                     ehci_portsc_sus_wrf(&hc->ehci_base, req->wIndex, 1);
447                     if (ehci_portsc_ls_rdf(&hc->ehci_base, req->wIndex) == 0x1) {
449                         usb_ehci_roothub_port_disown(hc, req->wIndex);
453                     ehci_portsc_pr_wrf(&hc->ehci_base, req->wIndex, 1);
457                     ehci_portsc_pr_wrf(&hc->ehci_base, req->wIndex, 0);
460                     if (ehci_portsc_pr_rdf(&hc->ehci_base, req->wIndex)) {
465                     if (!ehci_portsc_ped_rdf(&hc->ehci_base, req->wIndex)) {
468                          * if (hc->flags.tt_present) {
469                             usb_ehci_roothub_port_disown(hc, req->wIndex, 0);
472                     hc->rh_reset = 1;
476                     ehci_portsc_pp_wrf(&hc->ehci_base, req->wIndex, 1);
481                     ehci_portsc_pic_wrf(&hc->ehci_base, req->wIndex, 1);
514  * \param hc the host controller of the root hub
517 void usb_ehci_roothub_port_disown(usb_ehci_hc_t *hc, uint16_t portno)
519     if (portno > ehci_hcsparams_n_ports_rdf(&hc->ehci_base)) {
528     ehci_portsc_po_wrf(&hc->ehci_base, portno, 1);