コード例 #1
0
ファイル: diag_usb.c プロジェクト: Flinny/kernel_htc_msm8994
static void usb_connect_work_fn(struct work_struct *work)
{
	struct diag_usb_info *ch = container_of(work, struct diag_usb_info,
						connect_work);
	usb_connect(ch);
}
コード例 #2
0
void UsbConnection::print_info() {
    int error_config;
    libusb_config_descriptor *config_desc;
    libusb_device_descriptor desc;
    if (!device) {
        ConnectionStatus status = usb_connect ();
        if (status == ready){
            return;
        }
    }
    libusb_get_device_descriptor(device, &desc);

    unsigned char data[255] = {};
    int response = libusb_get_string_descriptor_ascii (handler, desc.iProduct, data, sizeof(data));
    qDebug("Product Description: %s|\n", data);
    response = libusb_get_string_descriptor_ascii (handler, desc.iManufacturer, data, sizeof(data));
    qDebug("Manufacturer Description: %s|\n", data);
    libusb_get_string_descriptor_ascii (handler, desc.iSerialNumber, data, sizeof(data));
    qDebug("SerialNumber Description: %s|\n", data);

    qDebug("\nbegin descriptor\n");
    qDebug("\tbus_num: %d\n", libusb_get_bus_number(device));
    qDebug("\taddress: %d\n", libusb_get_device_address(device));
    qDebug("\tspeed: %d\n", libusb_get_device_speed(device));
    qDebug("\tClass: %d\n", desc.bDeviceClass);
    qDebug("\tSubClass: %d\n", desc.bDeviceSubClass);
    qDebug("\tDeviceProtocol: %d\n", desc.bDeviceProtocol);
    qDebug("\tidVendor: %d\n", desc.idVendor);
    qDebug("\tidProduct: %d\n", desc.idProduct);
    qDebug("\tiManufacturer: %d\n", desc.iManufacturer);
    qDebug("\tiProduct: %d\n", desc.iProduct);
    qDebug("\tiSerialNumber: %d\n", desc.iSerialNumber);
    qDebug("\tbMaxPacketSize0: %d\n", desc.bMaxPacketSize0);
    qDebug("\tbNumConfigurations: %d\n", desc.bNumConfigurations);
    qDebug("\tconfigDescriptor:\n");


    error_config = libusb_get_active_config_descriptor(device, &config_desc);
    if (error_config) {
        if (error_config == LIBUSB_ERROR_NOT_FOUND) {
            qDebug("Error config not founds\n");
        } else {
            qDebug("Error in config %s\n", libusb_error_name (error_config));
        }
    } else {
        qDebug("\tiConfiguration: %d\n", config_desc->iConfiguration);
        qDebug("\tbNumInterface: %d\n", config_desc->bNumInterfaces);
        qDebug("\tbmAttributes: %d\n", config_desc->bmAttributes);
        for (int i_interface = 0; i_interface < config_desc->bNumInterfaces; i_interface++) {
            for (int i_altinterface = 0;
                 i_altinterface < config_desc->interface[i_interface].num_altsetting;
                i_altinterface++) {
                libusb_interface_descriptor alt_settings = config_desc->interface[i_interface].altsetting[i_altinterface];
                qDebug("\tbInterfaceNumber[%d][%d]: %d\n", i_interface, i_altinterface,
                    alt_settings.bInterfaceNumber);
                qDebug("\tbInterfaceClass[%d][%d]: %d\n", i_interface, i_altinterface,
                    alt_settings.bInterfaceClass);
                qDebug("\bInterfaceSubClass[%d][%d]: %d\n", i_interface, i_altinterface,
                    alt_settings.bInterfaceSubClass);
                qDebug("\tbInterfaceProtocol[%d][%d]: %d\n", i_interface, i_altinterface,
                    alt_settings.bInterfaceProtocol);
                qDebug("\textra[%d][%d]: %s\n", i_interface, i_altinterface,
                    alt_settings.extra);
                for (int i_ep = 0; i_ep < alt_settings.bNumEndpoints; i_ep++) {
                    libusb_endpoint_descriptor ep_desc = alt_settings.endpoint[i_ep];
                    qDebug("\t\tbEndpointAddress[%d][%d][%d]: %d (in=%d / out=%d)\n",
                        i_interface, i_altinterface, i_ep,
                        ep_desc.bEndpointAddress, LIBUSB_ENDPOINT_IN, LIBUSB_ENDPOINT_OUT);
                    qDebug("\t\tbDescriptorType[%d][%d][%d]: %d\n", i_interface, i_altinterface, i_ep,
                        ep_desc.bDescriptorType);
                    qDebug("\t\tbmAttributes[%d][%d][%d]: %d\n", i_interface, i_altinterface, i_ep,
                           ep_desc.bmAttributes);
                    qDebug("\t\textra[%d][%d][%d]: %d\n", i_interface, i_altinterface, i_ep,
                        ep_desc.extra_length);
                    qDebug("\t\tbSynchAddress[%d][%d][%d]: %d\n", i_interface, i_altinterface, i_ep,
                        ep_desc.bSynchAddress);
                }
            }
        }
        libusb_free_config_descriptor(config_desc);
    }
}
コード例 #3
0
ファイル: hub.c プロジェクト: davidbau/davej
static void usb_hub_port_connect_change(struct usb_device *hub, int port,
					struct usb_port_status *portsts)
{
	struct usb_device *dev;
	unsigned short portstatus, portchange;
	unsigned int delay = HUB_SHORT_RESET_TIME;
	int i;
	char *portstr, *tempstr;

	portstatus = le16_to_cpu(portsts->wPortStatus);
	portchange = le16_to_cpu(portsts->wPortChange);
	dbg("port %d, portstatus %x, change %x, %s", port + 1, portstatus,
		portchange, portstatus & (1 << USB_PORT_FEAT_LOWSPEED) ? "1.5 Mb/s" : "12 Mb/s");

	/* Clear the connection change status */
	usb_clear_port_feature(hub, port + 1, USB_PORT_FEAT_C_CONNECTION);

	/* Disconnect any existing devices under this port */
	if (hub->children[port])
		usb_disconnect(&hub->children[port]);

	/* Return now if nothing is connected */
	if (!(portstatus & USB_PORT_STAT_CONNECTION)) {
		if (portstatus & USB_PORT_STAT_ENABLE)
			usb_hub_port_disable(hub, port);

		return;
	}

	down(&usb_address0_sem);

	tempstr = kmalloc(1024, GFP_KERNEL);
	portstr = kmalloc(1024, GFP_KERNEL);

	for (i = 0; i < HUB_PROBE_TRIES; i++) {
		struct usb_device *pdev, *cdev;

		/* Allocate a new device struct */
		dev = usb_alloc_dev(hub, hub->bus);
		if (!dev) {
			err("couldn't allocate usb_device");
			break;
		}

		hub->children[port] = dev;

		/* Reset the device */
		if (usb_hub_port_reset(hub, port, dev, delay)) {
			usb_free_dev(dev);
			break;
		}

		/* Find a new device ID for it */
		usb_connect(dev);

		/* Create a readable topology string */
		cdev = dev;
		pdev = dev->parent;
		if (portstr && tempstr) {
			portstr[0] = 0;
			while (pdev) {
				int port;

				for (port = 0; port < pdev->maxchild; port++)
					if (pdev->children[port] == cdev)
						break;

				strcpy(tempstr, portstr);
				if (!strlen(tempstr))
					sprintf(portstr, "%d", port + 1);
				else
					sprintf(portstr, "%d/%s", port + 1, tempstr);

				cdev = pdev;
				pdev = pdev->parent;
			}
			info("USB new device connect on bus%d/%s, assigned device number %d",
				dev->bus->busnum, portstr, dev->devnum);
		} else
			info("USB new device connect on bus%d, assigned device number %d",
				dev->bus->busnum, dev->devnum);

		/* Run it through the hoops (find a driver, etc) */
		if (!usb_new_device(dev))
			goto done;

		/* Free the configuration if there was an error */
		usb_free_dev(dev);

		/* Switch to a long reset time */
		delay = HUB_LONG_RESET_TIME;
	}

	hub->children[port] = NULL;
	usb_hub_port_disable(hub, port);
done:
	up(&usb_address0_sem);
	if (portstr)
		kfree(portstr);
	if (tempstr)
		kfree(tempstr);
}
コード例 #4
0
ファイル: hub.c プロジェクト: cilynx/dd-wrt
static void usb_hub_port_connect_change(struct usb_hub *hubstate, int port,
					u16 portstatus, u16 portchange)
{
	struct usb_device *hub = hubstate->dev;
	struct usb_device *dev;
	unsigned int delay = HUB_SHORT_RESET_TIME;
	int i;

	dbg("port %d, portstatus %x, change %x, %s",
		port + 1, portstatus, portchange, portspeed (portstatus));

	/* Clear the connection change status */
	usb_clear_port_feature(hub, port + 1, USB_PORT_FEAT_C_CONNECTION);

	/* Disconnect any existing devices under this port */
	if (hub->children[port])
		usb_disconnect(&hub->children[port]);

	/* Return now if nothing is connected */
	if (!(portstatus & USB_PORT_STAT_CONNECTION)) {
		if (portstatus & USB_PORT_STAT_ENABLE)
			usb_hub_port_disable(hub, port);

		return;
	}

	if (usb_hub_port_debounce(hub, port)) {
		err("connect-debounce failed, port %d disabled", port+1);
		usb_hub_port_disable(hub, port);
		return;
	}

	down(&usb_address0_sem);

	for (i = 0; i < HUB_PROBE_TRIES; i++) {
		struct usb_device *pdev;
		int len;

		/* Allocate a new device struct */
		dev = usb_alloc_dev(hub, hub->bus);
		if (!dev) {
			err("couldn't allocate usb_device");
			break;
		}

		/* Reset the device */
		if (usb_hub_port_reset(hub, port, dev, delay)) {
			usb_free_dev(dev);
			break;
		}

		/* Find a new device ID for it */
		usb_connect(dev);

		/* Set up TT records, if needed  */
		if (hub->tt) {
			dev->tt = hub->tt;
			dev->ttport = hub->ttport;
		} else if (dev->speed != USB_SPEED_HIGH
				&& hub->speed == USB_SPEED_HIGH) {
			dev->tt = &hubstate->tt;
			dev->ttport = port + 1;
		}

		/* Save readable and stable topology id, distinguishing
		 * devices by location for diagnostics, tools, etc.  The
		 * string is a path along hub ports, from the root.  Each
		 * device's id will be stable until USB is re-cabled, and
		 * hubs are often labeled with these port numbers.
		 *
		 * Initial size: ".NN" times five hubs + NUL = 16 bytes max
		 * (quite rare, since most hubs have 4-6 ports).
		 */
		pdev = dev->parent;
		if (pdev->devpath [0] != '0')	/* parent not root? */
			len = snprintf (dev->devpath, sizeof dev->devpath,
				"%s.%d", pdev->devpath, port + 1);
		/* root == "0", root port 2 == "2", port 3 that hub "2.3" */
		else
			len = snprintf (dev->devpath, sizeof dev->devpath,
				"%d", port + 1);
		if (len == sizeof dev->devpath)
			warn ("devpath size! usb/%03d/%03d path %s",
				dev->bus->busnum, dev->devnum, dev->devpath);
 		USB_SET_LED(USB_CONNECT); //2005-02-24 by kanki for USB LED

		info("new USB device %s-%s, assigned address %d",
			dev->bus->bus_name, dev->devpath, dev->devnum);

		/* Run it through the hoops (find a driver, etc) */
		if (!usb_new_device(dev)) {
			hub->children[port] = dev;
			goto done;
		}

		/* Free the configuration if there was an error */
		usb_free_dev(dev);

		/* Switch to a long reset time */
		delay = HUB_LONG_RESET_TIME;
	}

	usb_hub_port_disable(hub, port);
done:
	up(&usb_address0_sem);
}
コード例 #5
0
ファイル: usb.c プロジェクト: coreboot/chrome-ec
void usb_init(void)
{
	int i, resume;

	/* USB is in use */
	disable_sleep(SLEEP_MASK_USB_DEVICE);

	/*
	 * Resuming from a deep sleep is a lot like a cold boot, but there are
	 * few things that we need to do slightly differently. However, we ONLY
	 * do them if we're really resuming due to a USB wakeup. If we're woken
	 * for some other reason, we just do a normal USB reset. The host
	 * doesn't mind.
	 */
	resume = ((system_get_reset_flags() & RESET_FLAG_USB_RESUME) &&
		   (GR_USB_GINTSTS & GC_USB_GINTSTS_WKUPINT_MASK));

	/* TODO(crosbug.com/p/46813): Clean this up. Do only what's needed, and
	 * use meaningful constants instead of magic numbers. */
	GREG32(GLOBALSEC, DDMA0_REGION0_CTRL) = 0xffffffff;
	GREG32(GLOBALSEC, DDMA0_REGION1_CTRL) = 0xffffffff;
	GREG32(GLOBALSEC, DDMA0_REGION2_CTRL) = 0xffffffff;
	GREG32(GLOBALSEC, DDMA0_REGION3_CTRL) = 0xffffffff;
	GREG32(GLOBALSEC, DUSB0_REGION0_CTRL) = 0xffffffff;
	GREG32(GLOBALSEC, DUSB0_REGION1_CTRL) = 0xffffffff;
	GREG32(GLOBALSEC, DUSB0_REGION2_CTRL) = 0xffffffff;
	GREG32(GLOBALSEC, DUSB0_REGION3_CTRL) = 0xffffffff;

	/* Enable clocks */
	clock_enable_module(MODULE_USB, 1);

	/* TODO(crbug.com/496888): set up pinmux */
	gpio_config_module(MODULE_USB, 1);

	/* Make sure interrupts are disabled */
	GR_USB_GINTMSK = 0;
	GR_USB_DAINTMSK = 0;
	GR_USB_DIEPMSK = 0;
	GR_USB_DOEPMSK = 0;

	/* Select the correct PHY */
	usb_select_phy(which_phy);

	/* Full-Speed Serial PHY */
	GR_USB_GUSBCFG = GUSBCFG_PHYSEL_FS | GUSBCFG_FSINTF_6PIN
		| GUSBCFG_TOUTCAL(7)
		/* FIXME: Magic number! 14 is for 15MHz! Use 9 for 30MHz */
		| GUSBCFG_USBTRDTIM(14);

	if (!resume)
		/* Don't reset on resume, because some preserved internal state
		 * will be lost and there's no way to restore it. */
		usb_softreset();

	GR_USB_GUSBCFG = GUSBCFG_PHYSEL_FS | GUSBCFG_FSINTF_6PIN
		| GUSBCFG_TOUTCAL(7)
		/* FIXME: Magic number! 14 is for 15MHz! Use 9 for 30MHz */
		| GUSBCFG_USBTRDTIM(14);

	/* Global + DMA configuration */
	/* TODO: What about the AHB Burst Length Field? It's 0 now. */
	GR_USB_GAHBCFG = GAHBCFG_DMA_EN | GAHBCFG_GLB_INTR_EN |
		GAHBCFG_NP_TXF_EMP_LVL;

	/* Be in disconnected state until we are ready */
	if (!resume)
		usb_disconnect();

	if (resume)
		/* DEVADDR is preserved in the USB module during deep sleep,
		 * but it doesn't show up in USB_DCFG on resume. If we don't
		 * restore it manually too, it doesn't work. */
		GR_USB_DCFG = GREG32(PMU, PWRDN_SCRATCH18);
	else
		/* Init: USB2 FS, Scatter/Gather DMA, DEVADDR = 0x00 */
		GR_USB_DCFG |= DCFG_DEVSPD_FS48 | DCFG_DESCDMA;

	/* If we've restored a nonzero device address, update our state. */
	if (GR_USB_DCFG & GC_USB_DCFG_DEVADDR_MASK) {
		/* Caution: We only have one config TODAY, so there's no real
		 * difference between DS_CONFIGURED and DS_ADDRESS. */
		device_state = DS_CONFIGURED;
		configuration_value = 1;
	} else {
		device_state = DS_DEFAULT;
		configuration_value = 0;
	}

	/* Now that DCFG.DesDMA is accurate, prepare the FIFOs */
	setup_data_fifos();

	/* If resuming, reinitialize the endpoints now. For a cold boot we'll
	 * do this as part of handling the host-driven reset. */
	if (resume)
		usb_init_endpoints();

	/* Clear any pending interrupts */
	for (i = 0; i < 16; i++) {
		GR_USB_DIEPINT(i) = 0xffffffff;
		GR_USB_DOEPINT(i) = 0xffffffff;
	}
	GR_USB_GINTSTS = 0xFFFFFFFF;

	/* Unmask some endpoint interrupt causes */
	GR_USB_DIEPMSK = DIEPMSK_EPDISBLDMSK | DIEPMSK_XFERCOMPLMSK;
	GR_USB_DOEPMSK = DOEPMSK_EPDISBLDMSK | DOEPMSK_XFERCOMPLMSK |
		DOEPMSK_SETUPMSK;

	/* Enable interrupt handlers */
	task_enable_irq(GC_IRQNUM_USB0_USBINTR);

	/* Allow USB interrupts to come in */
	GR_USB_GINTMSK =
		/* NAK bits that must be cleared by the DCTL register */
		GINTMSK(GOUTNAKEFF) | GINTMSK(GINNAKEFF) |
		/* Initialization events */
		GINTMSK(USBRST) | GINTMSK(ENUMDONE) |
		/* Endpoint activity, cleared by the DOEPINT/DIEPINT regs */
		GINTMSK(OEPINT) | GINTMSK(IEPINT) |
		/* Reset detected while suspended. Need to wake up. */
		GINTMSK(RESETDET) |		/* TODO: Do we need this? */
		/* Idle, Suspend detected. Should go to sleep. */
		GINTMSK(ERLYSUSP) | GINTMSK(USBSUSP) |
		/* Watch for first SOF */
		GINTMSK(SOF);

	/* Device registers have been setup */
	GR_USB_DCTL |= DCTL_PWRONPRGDONE;
	udelay(10);
	GR_USB_DCTL &= ~DCTL_PWRONPRGDONE;

	/* Clear global NAKs */
	GR_USB_DCTL |= DCTL_CGOUTNAK | DCTL_CGNPINNAK;

#ifndef CONFIG_USB_INHIBIT_CONNECT
	/* Indicate our presence to the USB host */
	if (!resume)
		usb_connect();
#endif
}
コード例 #6
0
void MainWindow::timerEvent(QTimerEvent *)
{
    int ret=0;

    if(usbdevhandle!=NULL) ret=usb_bulk_read(usbdevhandle, EP_IN, (char*)usb_in, 64, 1000);
    if(ret!=64)
    {
        ui->label_status->setText("Connecting");
        if(usbdevhandle!=NULL) usb_close(usbdevhandle);
        usbdevhandle=NULL;
        usbdevhandle=usb_connect();
        if(usbdevhandle==NULL)
        {
            return;
        }
        else
        {
            ui->label_status->setText("Working");
        }
    }
    else ui->label_status->setText("Working");

    float temp_raw, temp_raw_max;
    float temp_C;
    temp_raw=(usb_in[0]<<8)|usb_in[1];
    temp_raw_max=(usb_in[2]<<8)|usb_in[3];
    if(temp_raw!=temp_raw_max) temp_C = 235.0 - 400.0*temp_raw/(temp_raw_max-temp_raw);
    else temp_C = -273.0;
    ui->label_t->setText(QString::number(temp_C));




    usb_out[63]=95; //marker

    int tc1=0, tv1=0;

    tv1=ui->spinBox_shift1->value();
    usb_out[tc1++]=tv1>>8;
    usb_out[tc1++]=tv1&255;
    S->setValue("Shift1", tv1);

    tv1=ui->spinBox_shift2->value();
    usb_out[tc1++]=tv1>>8;
    usb_out[tc1++]=tv1&255;
    S->setValue("Shift2", tv1);

    tv1=ui->spinBox_gain1->value();
    usb_out[tc1++]=tv1>>8;
    usb_out[tc1++]=tv1&255;
    S->setValue("Gain1", tv1);

    usb_out[tc1++] =
            (ui->checkBox_led2->isChecked()<<3) |
            (ui->checkBox_led1->isChecked()<<2) |
            (ui->checkBox_pd2->isChecked()<<1) |
            (ui->checkBox_pd1->isChecked());

    S->setValue("LED2", ui->checkBox_led2->isChecked());
    S->setValue("LED1", ui->checkBox_led1->isChecked());
    S->setValue("PD2", ui->checkBox_pd2->isChecked());
    S->setValue("PD1", ui->checkBox_pd1->isChecked());

    tv1=ui->spinBox_gain2->value();
    usb_out[tc1++]=tv1>>8;
    usb_out[tc1++]=tv1&255;
    S->setValue("Gain2", tv1);

    tv1=ui->spinBox_slope1->value();
    usb_out[tc1++]=tv1>>8;
    usb_out[tc1++]=tv1&255;
    S->setValue("Slope1", tv1);

    tv1=ui->spinBox_slope2->value();
    usb_out[tc1++]=tv1>>8;
    usb_out[tc1++]=tv1&255;
    S->setValue("Slope2", tv1);

    tv1=ui->spinBox_hv1->value();
    usb_out[tc1++]=tv1>>8;
    usb_out[tc1++]=tv1&255;
    S->setValue("HV1", tv1);

    tv1=ui->spinBox_hv2->value();
    usb_out[tc1++]=tv1>>8;
    usb_out[tc1++]=tv1&255;
    S->setValue("HV2", tv1);

    tv1=ui->spinBox_fol->value();
    usb_out[tc1++]=tv1>>8;
    usb_out[tc1++]=tv1&255;
    S->setValue("FOL", tv1);

    tv1=ui->spinBox_dil->value();
    usb_out[tc1++]=tv1>>8;
    usb_out[tc1++]=tv1&255;
    S->setValue("DIL", tv1);

    ret=usb_bulk_write(usbdevhandle, EP_OUT, (char*)usb_out, 64, 1000);
    if(ret!=64)
    {
        ui->label_status->setText("Connecting");
        if(usbdevhandle!=NULL) usb_close(usbdevhandle);
        usbdevhandle=NULL;
        usbdevhandle=usb_connect();
        if(usbdevhandle==NULL)
        {
            return;
        }
        else
        {
            ui->label_status->setText("Working");
        }
    }
    else ui->label_status->setText("Working");

}
コード例 #7
0
ファイル: hub.c プロジェクト: nolenfelten/cromwell
static void hub_port_connect_change(struct usb_hub *hubstate, int port,
                                    u16 portstatus, u16 portchange)
{
    struct usb_device *hub = interface_to_usbdev(hubstate->intf);
    struct usb_device *dev;
    unsigned int delay = HUB_SHORT_RESET_TIME;
    int i;

    dev_dbg (&hubstate->intf->dev,
             "port %d, status %x, change %x, %s\n",
             port + 1, portstatus, portchange, portspeed (portstatus));

    /* Clear the connection change status */
    clear_port_feature(hub, port + 1, USB_PORT_FEAT_C_CONNECTION);

    /* Disconnect any existing devices under this port */
    if (hub->children[port])
        usb_disconnect(&hub->children[port]);

    /* Return now if nothing is connected */
    if (!(portstatus & USB_PORT_STAT_CONNECTION)) {
        if (portstatus & USB_PORT_STAT_ENABLE)
            hub_port_disable(hub, port);

        return;
    }

    if (hub_port_debounce(hub, port)) {
        dev_err (&hubstate->intf->dev,
                 "connect-debounce failed, port %d disabled\n",
                 port+1);
        hub_port_disable(hub, port);
        return;
    }

    /* Some low speed devices have problems with the quick delay, so */
    /*  be a bit pessimistic with those devices. RHbug #23670 */
    if (portstatus & USB_PORT_STAT_LOW_SPEED)
        delay = HUB_LONG_RESET_TIME;

    down(&usb_address0_sem);

    for (i = 0; i < HUB_PROBE_TRIES; i++) {
        struct usb_device *pdev;
        int	len;

        /* Allocate a new device struct */
        dev = usb_alloc_dev(hub, hub->bus);
        if (!dev) {
            dev_err (&hubstate->intf->dev,
                     "couldn't allocate usb_device\n");
            break;
        }

        hub->children[port] = dev;
        dev->state = USB_STATE_POWERED;

        /* Reset the device, and detect its speed */
        if (hub_port_reset(hub, port, dev, delay)) {
            usb_put_dev(dev);
            break;
        }

        /* Find a new address for it */
        usb_connect(dev);

        /* Set up TT records, if needed  */
        if (hub->tt) {
            dev->tt = hub->tt;
            dev->ttport = hub->ttport;
        } else if (dev->speed != USB_SPEED_HIGH
                   && hub->speed == USB_SPEED_HIGH) {
            dev->tt = &hubstate->tt;
            dev->ttport = port + 1;
        }

        /* Save readable and stable topology id, distinguishing
         * devices by location for diagnostics, tools, etc.  The
         * string is a path along hub ports, from the root.  Each
         * device's id will be stable until USB is re-cabled, and
         * hubs are often labeled with these port numbers.
         *
         * Initial size: ".NN" times five hubs + NUL = 16 bytes max
         * (quite rare, since most hubs have 4-6 ports).
         */
        pdev = dev->parent;
        if (pdev->devpath [0] != '0')	/* parent not root? */
            len = snprintf (dev->devpath, sizeof dev->devpath,
                            "%s.%d", pdev->devpath, port + 1);
        /* root == "0", root port 2 == "2", port 3 that hub "2.3" */
        else
            len = snprintf (dev->devpath, sizeof dev->devpath,
                            "%d", port + 1);
        if (len == sizeof dev->devpath)
            dev_err (&hubstate->intf->dev,
                     "devpath size! usb/%03d/%03d path %s\n",
                     dev->bus->busnum, dev->devnum, dev->devpath);
        dev_info (&hubstate->intf->dev,
                  "new USB device on port %d, assigned address %d\n",
                  port + 1, dev->devnum);

        /* put the device in the global device tree. the hub port
         * is the "bus_id"; hubs show in hierarchy like bridges
         */
        dev->dev.parent = dev->parent->dev.parent->parent;

        /* Run it through the hoops (find a driver, etc) */
        if (!usb_new_device(dev, &hub->dev))
            goto done;

        /* Free the configuration if there was an error */
        usb_put_dev(dev);

        /* Switch to a long reset time */
        delay = HUB_LONG_RESET_TIME;
    }

    hub->children[port] = NULL;
    hub_port_disable(hub, port);
done:
    up(&usb_address0_sem);
}
コード例 #8
0
ファイル: hub.c プロジェクト: muromec/linux-ezxdev
static void usb_hub_port_connect_change(struct usb_hub *hubstate, int port,
					u16 portstatus, u16 portchange)
{
	struct usb_device *hub = hubstate->dev;
	struct usb_device *dev;
	unsigned int delay = HUB_SHORT_RESET_TIME;
	int i;

	dbg("port %d, portstatus %x, change %x, %s",
		port + 1, portstatus, portchange, portspeed (portstatus));

	/* Clear the connection change status */
	usb_clear_port_feature(hub, port + 1, USB_PORT_FEAT_C_CONNECTION);

	/* Disconnect any existing devices under this port */
	if (hub->children[port])
		usb_disconnect(&hub->children[port]);

	/* Return now if nothing is connected */
	if (!(portstatus & USB_PORT_STAT_CONNECTION)) {
		if (portstatus & USB_PORT_STAT_ENABLE)
			usb_hub_port_disable(hub, port);

		return;
	}

	if (usb_hub_port_debounce(hub, port)) {
		err("connect-debounce failed, port %d disabled", port+1);
		usb_hub_port_disable(hub, port);
		return;
	}

	down(&usb_address0_sem);

	for (i = 0; i < HUB_PROBE_TRIES; i++) {
		struct usb_device *pdev;
		int len;

		/* Allocate a new device struct */
		dev = usb_alloc_dev(hub, hub->bus);
		if (!dev) {
			err("couldn't allocate usb_device");
			break;
		}

		hub->children[port] = dev;
		
		/* add by Levis for wakeup BP */
		int begin = 0;
#ifdef CONFIG_ARCH_EZXBASE
			set_GPIO_mode(GPIO_IN | GPIO_BP_RDY);
			if(!GPIO_is_high(GPIO_BP_RDY))
			{
				if(GPIO_is_high(GPIO_AP_RDY ))
				{
					GPCR(GPIO_AP_RDY ) = GPIO_bit(GPIO_AP_RDY );
					udelay(WAKE_UP_BP_UDELAY);
					GPSR(GPIO_AP_RDY ) = GPIO_bit(GPIO_AP_RDY );
				}else {
					GPSR(GPIO_AP_RDY ) = GPIO_bit(GPIO_AP_RDY );
					udelay(WAKE_UP_BP_UDELAY);
					GPCR(GPIO_AP_RDY ) = GPIO_bit(GPIO_AP_RDY );
				}
				begin = jiffies;
				while(!GPIO_is_high(GPIO_BP_RDY) && (jiffies < (begin+HZ)))					;
				if(!GPIO_is_high(GPIO_BP_RDY))
				{
					printk("%s: Wakeup BP timeout! BP is still in sleep state!\n", __FUNCTION__);		
				}				
			}
#else  
		set_GPIO_mode(GPIO_IN | 41);
		if(GPIO_is_high(41))
		{
			if(GPIO_is_high(GPIO_MCU_INT_SW))
				GPCR(GPIO_MCU_INT_SW) = GPIO_bit(GPIO_MCU_INT_SW);		
			else {
				GPSR(GPIO_MCU_INT_SW) = GPIO_bit(GPIO_MCU_INT_SW);		
			}	
			begin = jiffies;
			while(GPIO_is_high(41) && (jiffies < (begin+HZ))) printk("%s: waitting for BP active!\n", __FUNCTION__);
			if(GPIO_is_high(GPIO_MCU_INT_SW))
				GPCR(GPIO_MCU_INT_SW) = GPIO_bit(GPIO_MCU_INT_SW);		
			else {
				GPSR(GPIO_MCU_INT_SW) = GPIO_bit(GPIO_MCU_INT_SW);		
			}	
		}
#endif	
		/* end Levis */

		/* Reset the device */
		if (usb_hub_port_reset(hub, port, dev, delay)) {
			usb_free_dev(dev);
			break;
		}

		/* Find a new device ID for it */
		usb_connect(dev);

		/* Set up TT records, if needed  */
		if (hub->tt) {
			dev->tt = hub->tt;
			dev->ttport = hub->ttport;
		} else if (dev->speed != USB_SPEED_HIGH
				&& hub->speed == USB_SPEED_HIGH) {
			dev->tt = &hubstate->tt;
			dev->ttport = port + 1;
		}

		/* Save readable and stable topology id, distinguishing
		 * devices by location for diagnostics, tools, etc.  The
		 * string is a path along hub ports, from the root.  Each
		 * device's id will be stable until USB is re-cabled, and
		 * hubs are often labeled with these port numbers.
		 *
		 * Initial size: ".NN" times five hubs + NUL = 16 bytes max
		 * (quite rare, since most hubs have 4-6 ports).
		 */
		pdev = dev->parent;
		if (pdev->devpath [0] != '0')	/* parent not root? */
			len = snprintf (dev->devpath, sizeof dev->devpath,
				"%s.%d", pdev->devpath, port + 1);
		/* root == "0", root port 2 == "2", port 3 that hub "2.3" */
		else
			len = snprintf (dev->devpath, sizeof dev->devpath,
				"%d", port + 1);
		if (len == sizeof dev->devpath)
			warn ("devpath size! usb/%03d/%03d path %s",
				dev->bus->busnum, dev->devnum, dev->devpath);
		info("new USB device %s-%s, assigned address %d",
			dev->bus->bus_name, dev->devpath, dev->devnum);

		/* Run it through the hoops (find a driver, etc) */
		if (!usb_new_device(dev))
			goto done;

		/* Free the configuration if there was an error */
		usb_free_dev(dev);

		/* Switch to a long reset time */
		delay = HUB_LONG_RESET_TIME;
	}

	hub->children[port] = NULL;
	usb_hub_port_disable(hub, port);
done:
	up(&usb_address0_sem);
}
コード例 #9
0
ファイル: main.c プロジェクト: GunioRobot/quickdev16
int main(void)
{

#ifndef NO_DEBUG
    uart_init();
    stdout = &uart_stdout;
    banner();
#endif
    shared_memory_init();
    system_init();
    sram_init();
    pwm_init();
    irq_init();
    boot_startup_rom(50);
    globals_init();
    pwm_stop();
    usbInit();
    usb_connect();
    sei();
    while (1) {
        system_set_bus_avr();
        system_set_wr_disable();
        while (usb_trans.req_state != REQ_STATUS_SNES) {
            usbPoll();
#if DO_SHELL
#ifndef NO_DEBUG
            shell_run();
#endif
#endif
        }

#if DO_SHM
        shared_memory_write(SHARED_MEM_TX_CMD_TERMINATE, 0);
#endif

#if DO_SHM_SCRATCHPAD
        shared_memory_scratchpad_region_tx_restore();
        shared_memory_scratchpad_region_rx_restore();
#endif

#if DO_CRC_CHECK
        info_P(PSTR("-->CRC Check\n"));
        crc_check_bulk_memory(0x000000,
                              usb_trans.req_bank_size * usb_trans.req_bank_cnt,
                              usb_trans.req_bank_size);
#endif

        system_set_rom_mode(&usb_trans);
        system_set_wr_disable();
        system_set_bus_snes();
        system_send_snes_reset();
        irq_stop();
        while ((usb_trans.req_state != REQ_STATUS_AVR)) {
            usbPoll();
#if DO_SHELL
#ifndef NO_DEBUG
            shell_run();
#endif
#endif
        }
        info_P(PSTR("-->Switch TO AVR\n"));
        shared_memory_init();
        irq_init();
        if (usb_trans.loader_enabled) {
            boot_startup_rom(50);
        } else {
            system_set_bus_avr();
            system_send_snes_reset();
        }
        globals_init();
    }
    return 0;
}