示例#1
0
static int fhci_hub_status_data(struct usb_hcd *hcd, char *buf)
{
	struct fhci_hcd *fhci = hcd_to_fhci(hcd);
	int ret = 0;
	unsigned long flags;

	fhci_dbg(fhci, "-> %s\n", __func__);

	udelay(1000);

	local_irq_save(flags);
	_raw_spin_lock(&fhci->lock);

	if (fhci->vroot_hub->port.wPortChange & (USB_PORT_STAT_C_CONNECTION |
			USB_PORT_STAT_C_ENABLE | USB_PORT_STAT_C_SUSPEND |
			USB_PORT_STAT_C_RESET | USB_PORT_STAT_C_OVERCURRENT)) {
		*buf = 1 << 1;
		ret = 1;
		printk("%x\n", fhci->vroot_hub->port.wPortChange);
	} 

	_raw_spin_unlock(&fhci->lock);
	local_irq_restore(flags);

	fhci_dbg(fhci, "<- %s\n", __func__);

	return ret;
}
示例#2
0
int fhci_hub_status_data(struct usb_hcd *hcd, char *buf)
{
    struct fhci_hcd *fhci = hcd_to_fhci(hcd);
    int ret = 0;
    unsigned long flags;

    fhci_dbg(fhci, "-> %s\n", __func__);

    spin_lock_irqsave(&fhci->lock, flags);

    if (fhci->vroot_hub->port.wPortChange & (USB_PORT_STAT_C_CONNECTION |
            USB_PORT_STAT_C_ENABLE | USB_PORT_STAT_C_SUSPEND |
            USB_PORT_STAT_C_RESET | USB_PORT_STAT_C_OVERCURRENT)) {
        *buf = 1 << 1;
        ret = 1;
        fhci_dbg(fhci, "-- %s\n", __func__);
    }

    spin_unlock_irqrestore(&fhci->lock, flags);

    fhci_dbg(fhci, "<- %s\n", __func__);

    return ret;
}
示例#3
0
static int fhci_hub_control(struct usb_hcd *hcd,
			    u16 typeReq,
			    u16 wValue, u16 wIndex, char *buf, u16 wLength)
{
	struct fhci_hcd *fhci = hcd_to_fhci(hcd);
	int retval = 0;
	int len = 0;
	struct usb_hub_status *hub_status;
	struct usb_port_status *port_status;
	unsigned long flags;

	local_irq_save(flags);
	_raw_spin_lock(&fhci->lock);

	fhci_dbg(fhci, "-> %s\n", __func__);

	switch (typeReq) {
	case ClearHubFeature:
		switch (wValue) {
		case C_HUB_LOCAL_POWER:
		case C_HUB_OVER_CURRENT:
			break;
		default:
			goto error;
		}
		break;
	case ClearPortFeature:
		fhci->vroot_hub->feature &= (1 << wValue);

		switch (wValue) {
		case USB_PORT_FEAT_ENABLE:
			fhci->vroot_hub->port.wPortStatus &=
			    ~USB_PORT_STAT_ENABLE;
			usb_port_disable(fhci);
			break;
		case USB_PORT_FEAT_C_ENABLE:
			fhci->vroot_hub->port.wPortChange &=
			    ~USB_PORT_STAT_C_ENABLE;
			break;
		case USB_PORT_FEAT_SUSPEND:
			fhci->vroot_hub->port.wPortStatus &=
			    ~USB_PORT_STAT_SUSPEND;
			fhci_stop_sof_timer(fhci);
			break;
		case USB_PORT_FEAT_C_SUSPEND:
			fhci->vroot_hub->port.wPortChange &=
			    ~USB_PORT_STAT_C_SUSPEND;
			break;
		case USB_PORT_FEAT_POWER:
			fhci->vroot_hub->port.wPortStatus &=
			    ~USB_PORT_STAT_POWER;
			config_transceiver(fhci, FHCI_OP_POWER_OFF);
			break;
		case USB_PORT_FEAT_C_CONNECTION:
			fhci->vroot_hub->port.wPortChange &=
			    ~USB_PORT_STAT_C_CONNECTION;
			break;
		case USB_PORT_FEAT_C_OVER_CURRENT:
			fhci->vroot_hub->port.wPortChange &=
			    ~USB_PORT_STAT_C_OVERCURRENT;
			break;
		case USB_PORT_FEAT_C_RESET:
			fhci->vroot_hub->port.wPortChange &=
			    ~USB_PORT_STAT_C_RESET;
		default:
			goto error;
		}
		break;
	case GetHubDescriptor:
		memcpy(buf, root_hub_des, sizeof(root_hub_des));
		buf[3] = 0x11; /* per-port power, no ovrcrnt */
		len = (buf[0] < wLength) ? buf[0] : wLength;
		break;
	case GetHubStatus:
		hub_status = (struct usb_hub_status *)buf;
		hub_status->wHubStatus =
		    cpu_to_le16(fhci->vroot_hub->hub.wHubStatus);
		hub_status->wHubChange =
		    cpu_to_le16(fhci->vroot_hub->hub.wHubChange);
		len = 4;
		break;
	case GetPortStatus:
		port_status = (struct usb_port_status *)buf;
		port_status->wPortStatus =
		    cpu_to_le16(fhci->vroot_hub->port.wPortStatus);
		port_status->wPortChange =
		    cpu_to_le16(fhci->vroot_hub->port.wPortChange);
		len = 4;
		break;
	case SetHubFeature:
		switch (wValue) {
		case C_HUB_OVER_CURRENT:
		case C_HUB_LOCAL_POWER:
			break;
		default:
			goto error;
		}
		break;
	case SetPortFeature:
		fhci->vroot_hub->feature |= (1 << wValue);

		switch (wValue) {
		case USB_PORT_FEAT_ENABLE:
			fhci->vroot_hub->port.wPortStatus |=
			    USB_PORT_STAT_ENABLE;
			usb_port_enable(fhci->usb_lld);
			break;
		case USB_PORT_FEAT_SUSPEND:
			fhci->vroot_hub->port.wPortStatus |=
			    USB_PORT_STAT_SUSPEND;
			fhci_stop_sof_timer(fhci);
			break;
		case USB_PORT_FEAT_RESET:
			fhci->vroot_hub->port.wPortStatus |=
			    USB_PORT_STAT_RESET;
			usb_port_reset(fhci->usb_lld);
			fhci->vroot_hub->port.wPortStatus |=
			    USB_PORT_STAT_ENABLE;
			fhci->vroot_hub->port.wPortStatus &=
			    ~USB_PORT_STAT_RESET;
			break;
		case USB_PORT_FEAT_POWER:
			fhci->vroot_hub->port.wPortStatus |=
			    USB_PORT_STAT_POWER;
			config_transceiver(fhci, FHCI_OP_POWER_ON);
			break;
		default:
			goto error;
		}
		break;
	default:
error:
		retval = -EPIPE;
	}

	fhci_dbg(fhci, "<- %s\n", __func__);

	_raw_spin_unlock(&fhci->lock);
	local_irq_restore(flags);

	return retval;
}