/***************************************************************** * * Function Name: hc_reset * * This function does register test and resets the SL811HS * controller. * * Input: hci = data structure for the host controller * * Return value : 0 * *****************************************************************/ static int hc_reset (hci_t * hci) { int attachFlag = 0; DBGFUNC ("Enter hc_reset\n"); regTest (hci); attachFlag = USBReset (hci); if (attachFlag) { setPortChange (hci, PORT_CONNECT_CHANGE); } return (0); }
/*************************************************************************** * Function Name : rh_submit_urb * * This function handles all USB request to the the virtual root hub * * Input: urb = USB request block * * Return: 0 **************************************************************************/ static int rh_submit_urb (struct urb * urb) { struct usb_device *usb_dev = urb->dev; hci_t *hci = usb_dev->bus->hcpriv; unsigned int pipe = urb->pipe; struct usb_ctrlrequest *cmd = (struct usb_ctrlrequest *) urb->setup_packet; void *data = urb->transfer_buffer; int leni = urb->transfer_buffer_length; int len = 0; int status = TD_CC_NOERROR; __u32 datab[4]; __u8 *data_buf = (__u8 *) datab; __u16 bmRType_bReq; __u16 wValue; __u16 wIndex; __u16 wLength; DBGFUNC ("enter rh_submit_urb\n"); if (usb_pipeint (pipe)) { hci->rh.urb = urb; hci->rh.send = 1; hci->rh.interval = urb->interval; rh_init_int_timer (urb); urb->status = cc_to_error (TD_CC_NOERROR); return 0; } bmRType_bReq = cmd->bRequestType | (cmd->bRequest << 8); wValue = le16_to_cpu (cmd->wValue); wIndex = le16_to_cpu (cmd->wIndex); wLength = le16_to_cpu (cmd->wLength); DBG ("rh_submit_urb, req = %d(%x) len=%d", bmRType_bReq, bmRType_bReq, wLength); switch (bmRType_bReq) { /* Request Destination: without flags: Device, RH_INTERFACE: interface, RH_ENDPOINT: endpoint, RH_CLASS means HUB here, RH_OTHER | RH_CLASS almost ever means HUB_PORT here */ case RH_GET_STATUS: *(__u16 *) data_buf = cpu_to_le16 (1); OK (2); case RH_GET_STATUS | RH_INTERFACE: *(__u16 *) data_buf = cpu_to_le16 (0); OK (2); case RH_GET_STATUS | RH_ENDPOINT: *(__u16 *) data_buf = cpu_to_le16 (0); OK (2); case RH_GET_STATUS | RH_CLASS: *(__u32 *) data_buf = cpu_to_le32 (0); OK (4); case RH_GET_STATUS | RH_OTHER | RH_CLASS: *(__u32 *) data_buf = cpu_to_le32 (getPortStatusAndChange (hci)); OK (4); case RH_CLEAR_FEATURE | RH_ENDPOINT: switch (wValue) { case (RH_ENDPOINT_STALL): OK (0); } break; case RH_CLEAR_FEATURE | RH_CLASS: switch (wValue) { case RH_C_HUB_LOCAL_POWER: OK (0); case (RH_C_HUB_OVER_CURRENT): /* Over Current Not Implemented */ OK (0); } break; case RH_CLEAR_FEATURE | RH_OTHER | RH_CLASS: switch (wValue) { case (RH_PORT_ENABLE): clrPortStatus (hci, PORT_ENABLE_STAT); OK (0); case (RH_PORT_SUSPEND): clrPortStatus (hci, PORT_SUSPEND_STAT); OK (0); case (RH_PORT_POWER): clrPortStatus (hci, PORT_POWER_STAT); OK (0); case (RH_C_PORT_CONNECTION): clrPortChange (hci, PORT_CONNECT_STAT); OK (0); case (RH_C_PORT_ENABLE): clrPortChange (hci, PORT_ENABLE_STAT); OK (0); case (RH_C_PORT_SUSPEND): clrPortChange (hci, PORT_SUSPEND_STAT); OK (0); case (RH_C_PORT_OVER_CURRENT): clrPortChange (hci, PORT_OVER_CURRENT_STAT); OK (0); case (RH_C_PORT_RESET): clrPortChange (hci, PORT_RESET_STAT); OK (0); } break; case RH_SET_FEATURE | RH_OTHER | RH_CLASS: switch (wValue) { case (RH_PORT_SUSPEND): setPortStatus (hci, PORT_SUSPEND_STAT); OK (0); case (RH_PORT_RESET): setPortStatus (hci, PORT_RESET_STAT); // USBReset(hci); clrPortChange (hci, PORT_CONNECT_CHANGE | PORT_ENABLE_CHANGE | PORT_SUSPEND_CHANGE | PORT_OVER_CURRENT_CHANGE); setPortChange (hci, PORT_RESET_CHANGE); clrPortStatus (hci, PORT_RESET_STAT); setPortStatus (hci, PORT_ENABLE_STAT); OK (0); case (RH_PORT_POWER): setPortStatus (hci, PORT_POWER_STAT); OK (0); case (RH_PORT_ENABLE): setPortStatus (hci, PORT_ENABLE_STAT); OK (0); } break; case RH_SET_ADDRESS: hci->rh.devnum = wValue; OK (0); case RH_GET_DESCRIPTOR: DBGVERBOSE ("rh_submit_urb: RH_GET_DESCRIPTOR, wValue = 0x%x\n", wValue); switch ((wValue & 0xff00) >> 8) { case (0x01): /* device descriptor */ len = min (leni, min ((__u16)sizeof (root_hub_dev_des), wLength)); data_buf = root_hub_dev_des; OK (len); case (0x02): /* configuration descriptor */ len = min (leni, min ((__u16)sizeof (root_hub_config_des), wLength)); data_buf = root_hub_config_des; OK (len); case (0x03): /* string descriptors */ len = root_hub_string (wValue & 0xff, (int) (long) 0, "SL811HS", data, wLength); if (len > 0) { data_buf = data; OK (min (leni, len)); } default: status = SL11H_STATMASK_STALL; } break; case RH_GET_DESCRIPTOR | RH_CLASS: data_buf[0] = 9; // min length; data_buf[1] = 0x29; data_buf[2] = 1; // # of downstream port data_buf[3] = 0; datab[1] = 0; data_buf[5] = 50; // 100 ms for port reset data_buf[7] = 0xfc; // which port is attachable if (data_buf[2] < 7) { data_buf[8] = 0xff; } else { } len = min (leni, min ((__u16)data_buf[0], wLength)); OK (len); case RH_GET_CONFIGURATION: *(__u8 *) data_buf = 0x01; OK (1); case RH_SET_CONFIGURATION: OK (0); default: DBGERR ("unsupported root hub command"); status = SL11H_STATMASK_STALL; } len = min (len, leni); if (data != data_buf) memcpy (data, data_buf, len); urb->actual_length = len; urb->status = cc_to_error (status); urb->hcpriv = NULL; urb->dev = NULL; if (urb->complete) { urb->complete (urb, NULL); } return 0; }