static int usb_hub_probe(struct usb_device *usbdev,
const struct usb_device_id *id)
{
usbdev->dev.detect = usb_hub_detect;
return usb_hub_configure(usbdev);
}
int usb_hub_probe(struct usb_device *dev, int ifnum)
{
struct usb_interface *iface;
struct usb_endpoint_descriptor *ep;
int ret;
iface = &dev->config.if_desc[ifnum];
/* Is it a hub? */
if (iface->desc.bInterfaceClass != USB_CLASS_HUB)
return 0;
/* Some hubs have a subclass of 1, which AFAICT according to the */
/* specs is not defined, but it works */
if ((iface->desc.bInterfaceSubClass != 0) &&
(iface->desc.bInterfaceSubClass != 1))
return 0;
/* Multiple endpoints? What kind of mutant ninja-hub is this? */
if (iface->desc.bNumEndpoints != 1)
return 0;
ep = &iface->ep_desc[0];
/* Output endpoint? Curiousier and curiousier.. */
if (!(ep->bEndpointAddress & USB_DIR_IN))
return 0;
/* If it's not an interrupt endpoint, we'd better punt! */
if ((ep->bmAttributes & 3) != 3)
return 0;
/* We found a hub */
debug("USB hub found\n");
ret = usb_hub_configure(dev);
return ret;
}
int usb_hub_probe(struct usb_device *dev, int ifnum)
{
int ret;
ret = usb_hub_check(dev, ifnum);
if (ret)
return 0;
ret = usb_hub_configure(dev);
return ret;
}
int usb_hub_probe(struct usb_device *dev, int ifnum)
{
int ret;
ret = usb_hub_check(dev, ifnum);
if (ret)
{
debug("usb_hub_probe return with value = %d.\r\n", ret);
return 0;
}
ret = usb_hub_configure(dev);
return ret;
}
static void *hub_probe(struct usb_device *dev, unsigned int i,
const struct usb_device_id *id)
{
struct usb_interface_descriptor *interface;
struct usb_endpoint_descriptor *endpoint;
struct usb_hub *hub;
unsigned long flags;
DBG_HOST_HUB("### >>> Enter hub.c file --> hub_probe function \n");
interface = &dev->actconfig->interface[i].altsetting[0];
/* Some hubs have a subclass of 1, which AFAICT according to the */
/* specs is not defined, but it works */
if ((interface->bInterfaceSubClass != 0) &&
(interface->bInterfaceSubClass != 1)) {
err("invalid subclass (%d) for USB hub device #%d",
interface->bInterfaceSubClass, dev->devnum);
return NULL;
}
/* Multiple endpoints? What kind of mutant ninja-hub is this? */
if (interface->bNumEndpoints != 1) {
err("invalid bNumEndpoints (%d) for USB hub device #%d",
interface->bNumEndpoints, dev->devnum);
return NULL;
}
endpoint = &interface->endpoint[0];
/* Output endpoint? Curiousier and curiousier.. */
if (!(endpoint->bEndpointAddress & USB_DIR_IN)) {
err("Device #%d is hub class, but has output endpoint?",
dev->devnum);
return NULL;
}
/* If it's not an interrupt endpoint, we'd better punt! */
if ((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_INT) {
err("Device #%d is hub class, but has endpoint other than interrupt?",
dev->devnum);
return NULL;
}
/* We found a hub */
info("USB hub found");
hub = kmalloc(sizeof(*hub), GFP_KERNEL);
if (!hub) {
err("couldn't kmalloc hub struct");
return NULL;
}
memset(hub, 0, sizeof(*hub));
INIT_LIST_HEAD(&hub->event_list);
hub->dev = dev;
init_MUTEX(&hub->khubd_sem);
/* Record the new hub's existence */
spin_lock_irqsave(&hub_event_lock, flags);
INIT_LIST_HEAD(&hub->hub_list);
list_add(&hub->hub_list, &hub_list);
spin_unlock_irqrestore(&hub_event_lock, flags);
if (usb_hub_configure(hub, endpoint) >= 0)
return hub;
err("hub configuration failed for device #%d", dev->devnum);
/* free hub, but first clean up its list. */
spin_lock_irqsave(&hub_event_lock, flags);
/* Delete it and then reset it */
list_del(&hub->event_list);
INIT_LIST_HEAD(&hub->event_list);
list_del(&hub->hub_list);
INIT_LIST_HEAD(&hub->hub_list);
spin_unlock_irqrestore(&hub_event_lock, flags);
kfree(hub);
return NULL;
}
int usb_hub_scan(struct udevice *hub)
{
struct usb_device *udev = dev_get_parentdata(hub);
return usb_hub_configure(udev);
}
static int hub_probe(USB_DEV_T *dev, USB_IF_DESC_T *ifd, const USB_DEV_ID_T *id)
{
EP_INFO_T *ep_info;
USB_HUB_T *hub;
int ifnum;
int i;
USB_debug("hub_probe - dev=0x%x\n", (int)dev);
ifnum = ifd->bInterfaceNumber;
if(dev->descriptor.bDeviceClass != 0x09)
return USB_ERR_NODEV;
ep_info = NULL;
for(i = 0; i < dev->ep_list_cnt; i++)
{
if((dev->ep_list[i].ifnum == ifnum) &&
((dev->ep_list[i].bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == USB_ENDPOINT_XFER_INT))
{
ep_info = &dev->ep_list[i];
break;
}
}
if(ep_info == NULL)
{
USB_error("hub int ep not found!\n");
return USB_ERR_NODEV;
}
/* Output endpoint? Curiousier and curiousier.. */
if(!(ep_info->bEndpointAddress & USB_DIR_IN))
{
USB_error("Error - Device #%d is hub class, but has output endpoint?\n", dev->devnum);
return USB_ERR_NODEV;
}
/* If it's not an interrupt endpoint, we'd better punt! */
if((ep_info->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) != USB_ENDPOINT_XFER_INT)
{
USB_error("Error - Device #%d is hub class, but has endpoint other than interrupt?\n", dev->devnum);
return USB_ERR_NODEV;
}
/* We found a hub */
USB_debug("USB hub found\n");
hub = usbh_alloc_hubdev();
if(!hub)
return USB_ERR_NOMEM;
INIT_LIST_HEAD(&hub->event_list);
hub->dev = dev;
if(usb_hub_configure(hub, ep_info) == 0)
return 0;
USB_error("Error - hub configuration failed for device #%d\n", dev->devnum);
/* Delete it and then reset it */
list_del(&hub->event_list);
INIT_LIST_HEAD(&hub->event_list);
usbh_free_hubdev(hub);
return USB_ERR_NODEV;
}
static int usb_hub_configure(struct usb_device *dev)
{
int i;
ALLOC_CACHE_ALIGN_BUFFER(unsigned char, buffer, USB_BUFSIZ);
unsigned char *bitmap;
short hubCharacteristics;
struct usb_hub_descriptor *descriptor;
struct usb_hub_device *hub;
#ifdef USB_HUB_DEBUG
struct usb_hub_status *hubsts;
#endif
/* "allocate" Hub device */
hub = usb_hub_allocate();
if (hub == NULL)
return -1;
hub->pusb_dev = dev;
/* Get the the hub descriptor */
if (usb_get_hub_descriptor(dev, buffer, 4) < 0) {
USB_HUB_PRINTF("usb_hub_configure: failed to get hub " \
"descriptor, giving up %lX\n", dev->status);
return -1;
}
descriptor = (struct usb_hub_descriptor *)buffer;
/* silence compiler warning if USB_BUFSIZ is > 256 [= sizeof(char)] */
i = descriptor->bLength;
if (i > USB_BUFSIZ) {
USB_HUB_PRINTF("usb_hub_configure: failed to get hub " \
"descriptor - too long: %d\n",
descriptor->bLength);
return -1;
}
if (usb_get_hub_descriptor(dev, buffer, descriptor->bLength) < 0) {
USB_HUB_PRINTF("usb_hub_configure: failed to get hub " \
"descriptor 2nd giving up %lX\n", dev->status);
return -1;
}
memcpy((unsigned char *)&hub->desc, buffer, descriptor->bLength);
/* adjust 16bit values */
put_unaligned(le16_to_cpu(get_unaligned(
&descriptor->wHubCharacteristics)),
&hub->desc.wHubCharacteristics);
/* set the bitmap */
bitmap = (unsigned char *)&hub->desc.DeviceRemovable[0];
/* devices not removable by default */
memset(bitmap, 0xff, (USB_MAXCHILDREN+1+7)/8);
bitmap = (unsigned char *)&hub->desc.PortPowerCtrlMask[0];
memset(bitmap, 0xff, (USB_MAXCHILDREN+1+7)/8); /* PowerMask = 1B */
for (i = 0; i < ((hub->desc.bNbrPorts + 1 + 7)/8); i++)
hub->desc.DeviceRemovable[i] = descriptor->DeviceRemovable[i];
for (i = 0; i < ((hub->desc.bNbrPorts + 1 + 7)/8); i++)
hub->desc.PortPowerCtrlMask[i] = descriptor->PortPowerCtrlMask[i];
dev->maxchild = descriptor->bNbrPorts;
USB_HUB_PRINTF("%d ports detected\n", dev->maxchild);
hubCharacteristics = get_unaligned(&hub->desc.wHubCharacteristics);
switch (hubCharacteristics & HUB_CHAR_LPSM) {
case 0x00:
USB_HUB_PRINTF("ganged power switching\n");
break;
case 0x01:
USB_HUB_PRINTF("individual port power switching\n");
break;
case 0x02:
case 0x03:
USB_HUB_PRINTF("unknown reserved power switching mode\n");
break;
}
if (hubCharacteristics & HUB_CHAR_COMPOUND)
USB_HUB_PRINTF("part of a compound device\n");
else
USB_HUB_PRINTF("standalone hub\n");
switch (hubCharacteristics & HUB_CHAR_OCPM) {
case 0x00:
USB_HUB_PRINTF("global over-current protection\n");
break;
case 0x08:
USB_HUB_PRINTF("individual port over-current protection\n");
break;
case 0x10:
case 0x18:
USB_HUB_PRINTF("no over-current protection\n");
break;
}
USB_HUB_PRINTF("power on to power good time: %dms\n",
descriptor->bPwrOn2PwrGood * 2);
USB_HUB_PRINTF("hub controller current requirement: %dmA\n",
descriptor->bHubContrCurrent);
for (i = 0; i < dev->maxchild; i++)
USB_HUB_PRINTF("port %d is%s removable\n", i + 1,
hub->desc.DeviceRemovable[(i + 1) / 8] & \
(1 << ((i + 1) % 8)) ? " not" : "");
if (sizeof(struct usb_hub_status) > USB_BUFSIZ) {
USB_HUB_PRINTF("usb_hub_configure: failed to get Status - " \
"too long: %d\n", descriptor->bLength);
return -1;
}
if (usb_get_hub_status(dev, buffer) < 0) {
USB_HUB_PRINTF("usb_hub_configure: failed to get Status %lX\n",
dev->status);
return -1;
}
#ifdef USB_HUB_DEBUG
hubsts = (struct usb_hub_status *)buffer;
#endif
USB_HUB_PRINTF("get_hub_status returned status %X, change %X\n",
le16_to_cpu(hubsts->wHubStatus),
le16_to_cpu(hubsts->wHubChange));
USB_HUB_PRINTF("local power source is %s\n",
(le16_to_cpu(hubsts->wHubStatus) & HUB_STATUS_LOCAL_POWER) ? \
"lost (inactive)" : "good");
USB_HUB_PRINTF("%sover-current condition exists\n",
(le16_to_cpu(hubsts->wHubStatus) & HUB_STATUS_OVERCURRENT) ? \
"" : "no ");
usb_hub_power_on(hub);
for (i = 0; i < dev->maxchild; i++) {
ALLOC_CACHE_ALIGN_BUFFER(struct usb_port_status, portsts, 1);
unsigned short portstatus, portchange;
int ret;
ulong start = get_timer(0);
/*
* Wait for (whichever finishes first)
* - A maximum of 10 seconds
* This is a purely observational value driven by connecting
* a few broken pen drives and taking the max * 1.5 approach
* - connection_change and connection state to report same
* state
*/
do {
ret = usb_get_port_status(dev, i + 1, portsts);
if (ret < 0) {
USB_HUB_PRINTF("get_port_status failed\n");
break;
}
portstatus = le16_to_cpu(portsts->wPortStatus);
portchange = le16_to_cpu(portsts->wPortChange);
#ifdef CONFIG_MARVELL
/* - USB3.0 issue with Avanta-LP/Armada-375:
* If usb device was already connected before detection ('usb start'),
* port connect status bit is set (USB_PORT_STAT_CONNECTION),
* but port connect status change bit (USB_PORT_STAT_C_CONNECTION) is not set.
* - Added WA (aligned with kernel driver): instead of checking port change status,
* to be satisfied with checking USB_PORT_STAT_CONNECTION Bit on portstatus only" */
if (((portchange & USB_PORT_STAT_C_CONNECTION) ==
(portstatus & USB_PORT_STAT_CONNECTION)) ||
(portstatus & USB_PORT_STAT_CONNECTION))
#else
if ((portchange & USB_PORT_STAT_C_CONNECTION) ==
(portstatus & USB_PORT_STAT_CONNECTION))
#endif
break;
mdelay(100);
} while (get_timer(start) < CONFIG_SYS_HZ * 10);
if (ret < 0)
continue;
USB_HUB_PRINTF("Port %d Status %X Change %X\n",
i + 1, portstatus, portchange);
#ifdef CONFIG_MARVELL
/* - USB3.0 issue with Avanta-LP/Armada-375:
* If usb device was already connected before detection ('usb start'),
* port connect status bit is set (USB_PORT_STAT_CONNECTION),
* but port connect status change bit (USB_PORT_STAT_C_CONNECTION) is not set.
* - Added WA (aligned with kernel driver): instead of checking port change status,
* to be satisfied with checking USB_PORT_STAT_CONNECTION Bit on portstatus only" */
if ((portchange & USB_PORT_STAT_C_CONNECTION) ||
(portstatus & USB_PORT_STAT_CONNECTION)) {
#else
if (portchange & USB_PORT_STAT_C_CONNECTION) {
#endif
USB_HUB_PRINTF("port %d connection change\n", i + 1);
usb_hub_port_connect_change(dev, i);
}
if (portchange & USB_PORT_STAT_C_ENABLE) {
USB_HUB_PRINTF("port %d enable change, status %x\n",
i + 1, portstatus);
usb_clear_port_feature(dev, i + 1,
USB_PORT_FEAT_C_ENABLE);
/* EM interference sometimes causes bad shielded USB
* devices to be shutdown by the hub, this hack enables
* them again. Works at least with mouse driver */
if (!(portstatus & USB_PORT_STAT_ENABLE) &&
(portstatus & USB_PORT_STAT_CONNECTION) &&
((dev->children[i]))) {
USB_HUB_PRINTF("already running port %i " \
"disabled by hub (EMI?), " \
"re-enabling...\n", i + 1);
usb_hub_port_connect_change(dev, i);
}
}
if (portstatus & USB_PORT_STAT_SUSPEND) {
USB_HUB_PRINTF("port %d suspend change\n", i + 1);
usb_clear_port_feature(dev, i + 1,
USB_PORT_FEAT_SUSPEND);
}
if (portchange & USB_PORT_STAT_C_OVERCURRENT) {
USB_HUB_PRINTF("port %d over-current change\n", i + 1);
usb_clear_port_feature(dev, i + 1,
USB_PORT_FEAT_C_OVER_CURRENT);
usb_hub_power_on(hub);
}
if (portchange & USB_PORT_STAT_C_RESET) {
USB_HUB_PRINTF("port %d reset change\n", i + 1);
usb_clear_port_feature(dev, i + 1,
USB_PORT_FEAT_C_RESET);
}
} /* end for i all ports */
return 0;
}
int usb_hub_probe(struct usb_device *dev, int ifnum)
{
struct usb_interface *iface;
struct usb_endpoint_descriptor *ep;
int ret;
iface = &dev->config.if_desc[ifnum];
/* Is it a hub? */
if (iface->desc.bInterfaceClass != USB_CLASS_HUB)
return 0;
/* Some hubs have a subclass of 1, which AFAICT according to the */
/* specs is not defined, but it works */
if ((iface->desc.bInterfaceSubClass != 0) &&
(iface->desc.bInterfaceSubClass != 1))
return 0;
/* Multiple endpoints? What kind of mutant ninja-hub is this? */
if (iface->desc.bNumEndpoints != 1)
return 0;
ep = &iface->ep_desc[0];
/* Output endpoint? Curiousier and curiousier.. */
if (!(ep->bEndpointAddress & USB_DIR_IN))
return 0;
/* If it's not an interrupt endpoint, we'd better punt! */
if ((ep->bmAttributes & 3) != 3)
return 0;
/* We found a hub */
USB_HUB_PRINTF("USB hub found\n");
ret = usb_hub_configure(dev);
return ret;
}
