if (timeout == 0)
return (int)size;
- if (dev->status != 0) {
- /*
- * Let's wait a while for the timeout to elapse.
- * It has no real use, but it keeps the interface happy.
- */
- wait_ms(timeout);
- return -1;
+ /*
+ * Wait for status to update until timeout expires, USB driver
+ * interrupt handler may set the status when the USB operation has
+ * been completed.
+ */
+ while (timeout--) {
+ if (!((volatile unsigned long)dev->status & USB_ST_NOT_PROC))
+ break;
+ wait_ms(1);
}
+ if (dev->status)
+ return -1;
return dev->act_len;
+
}
/*-------------------------------------------------------------------
{
int i, ii;
- for (i = 0; i < dev->config.bNumInterfaces; i++)
- for (ii = 0; ii < dev->config.if_desc[i].bNumEndpoints; ii++)
+ for (i = 0; i < dev->config.desc.bNumInterfaces; i++)
+ for (ii = 0; ii < dev->config.if_desc[i].desc.bNumEndpoints; ii++)
usb_set_maxpacket_ep(dev,
&dev->config.if_desc[i].ep_desc[ii]);
return -1;
}
memcpy(&dev->config, buffer, buffer[0]);
- le16_to_cpus(&(dev->config.wTotalLength));
+ le16_to_cpus(&(dev->config.desc.wTotalLength));
dev->config.no_of_if = 0;
- index = dev->config.bLength;
+ index = dev->config.desc.bLength;
/* Ok the first entry must be a configuration entry,
* now process the others */
head = (struct usb_descriptor_header *) &buffer[index];
- while (index + 1 < dev->config.wTotalLength) {
+ while (index + 1 < dev->config.desc.wTotalLength) {
switch (head->bDescriptorType) {
case USB_DT_INTERFACE:
if (((struct usb_interface_descriptor *) \
dev->config.if_desc[ifno].no_of_ep = 0;
dev->config.if_desc[ifno].num_altsetting = 1;
curr_if_num =
- dev->config.if_desc[ifno].bInterfaceNumber;
+ dev->config.if_desc[ifno].desc.bInterfaceNumber;
} else {
/* found alternate setting for the interface */
dev->config.if_desc[ifno].num_altsetting++;
{
int result;
unsigned int tmp;
- struct usb_config_descriptor *config;
-
+ struct usb_configuration_descriptor *config;
- config = (struct usb_config_descriptor *)&buffer[0];
+ config = (struct usb_configuration_descriptor *)&buffer[0];
result = usb_get_descriptor(dev, USB_DT_CONFIG, cfgno, buffer, 9);
if (result < 9) {
if (result < 0)
*/
int usb_set_interface(struct usb_device *dev, int interface, int alternate)
{
- struct usb_interface_descriptor *if_face = NULL;
+ struct usb_interface *if_face = NULL;
int ret, i;
- for (i = 0; i < dev->config.bNumInterfaces; i++) {
- if (dev->config.if_desc[i].bInterfaceNumber == interface) {
+ for (i = 0; i < dev->config.desc.bNumInterfaces; i++) {
+ if (dev->config.if_desc[i].desc.bInterfaceNumber == interface) {
if_face = &dev->config.if_desc[i];
break;
}
err = usb_string_sub(dev, 0, 0, tbuf);
if (err < 0) {
USB_PRINTF("error getting string descriptor 0 " \
- "(error=%x)\n", dev->status);
+ "(error=%lx)\n", dev->status);
return -1;
} else if (tbuf[0] < 4) {
USB_PRINTF("string descriptor 0 too short\n");
usb_parse_config(dev, &tmpbuf[0], 0);
usb_set_maxpacket(dev);
/* we set the default configuration here */
- if (usb_set_configuration(dev, dev->config.bConfigurationValue)) {
+ if (usb_set_configuration(dev, dev->config.desc.bConfigurationValue)) {
printf("failed to set default configuration " \
"len %d, status %lX\n", dev->act_len, dev->status);
return -1;
dev_index = 0;
/* device 0 is always present (root hub, so let it analyze) */
dev = usb_alloc_new_device();
- usb_new_device(dev);
- printf("%d USB Device(s) found\n", dev_index);
+ if (usb_new_device(dev))
+ printf("No USB Device found\n");
+ else
+ printf("%d USB Device(s) found\n", dev_index);
/* insert "driver" if possible */
#ifdef CONFIG_USB_KEYBOARD
drv_usb_kbd_init();
#define MAX_TRIES 5
+static inline char *portspeed(int portstatus)
+{
+ if (portstatus & (1 << USB_PORT_FEAT_HIGHSPEED))
+ return "480 Mb/s";
+ else if (portstatus & (1 << USB_PORT_FEAT_LOWSPEED))
+ return "1.5 Mb/s";
+ else
+ return "12 Mb/s";
+}
+
static int hub_port_reset(struct usb_device *dev, int port,
unsigned short *portstat)
{
}
portstatus = le16_to_cpu(portsts.wPortStatus);
portchange = le16_to_cpu(portsts.wPortChange);
+
USB_HUB_PRINTF("portstatus %x, change %x, %s\n",
portstatus, portchange,
- portstatus&(1<<USB_PORT_FEAT_LOWSPEED) ? \
- "Low Speed" : "High Speed");
+ portspeed(portstatus));
+
USB_HUB_PRINTF("STAT_C_CONNECTION = %d STAT_CONNECTION = %d" \
" USB_PORT_STAT_ENABLE %d\n",
(portchange & USB_PORT_STAT_C_CONNECTION) ? 1 : 0,
portstatus = le16_to_cpu(portsts.wPortStatus);
portchange = le16_to_cpu(portsts.wPortChange);
USB_HUB_PRINTF("portstatus %x, change %x, %s\n",
- portstatus, portchange,
- portstatus&(1 << USB_PORT_FEAT_LOWSPEED) ? \
- "Low Speed" : "High Speed");
+ portstatus, portchange, portspeed(portstatus));
/* Clear the connection change status */
usb_clear_port_feature(dev, port + 1, USB_PORT_FEAT_C_CONNECTION);
/* Allocate a new device struct for it */
usb = usb_alloc_new_device();
- usb->speed = (portstatus & USB_PORT_STAT_LOW_SPEED) ? 1 : 0;
+
+ if (portstatus & USB_PORT_STAT_HIGH_SPEED)
+ usb->speed = USB_SPEED_HIGH;
+ else if (portstatus & USB_PORT_STAT_LOW_SPEED)
+ usb->speed = USB_SPEED_LOW;
+ else
+ usb->speed = USB_SPEED_FULL;
dev->children[port] = usb;
usb->parent = dev;
int usb_hub_probe(struct usb_device *dev, int ifnum)
{
- struct usb_interface_descriptor *iface;
+ struct usb_interface *iface;
struct usb_endpoint_descriptor *ep;
int ret;
iface = &dev->config.if_desc[ifnum];
/* Is it a hub? */
- if (iface->bInterfaceClass != USB_CLASS_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->bInterfaceSubClass != 0) &&
- (iface->bInterfaceSubClass != 1))
+ if ((iface->desc.bInterfaceSubClass != 0) &&
+ (iface->desc.bInterfaceSubClass != 1))
return 0;
/* Multiple endpoints? What kind of mutant ninja-hub is this? */
- if (iface->bNumEndpoints != 1)
+ if (iface->desc.bNumEndpoints != 1)
return 0;
ep = &iface->ep_desc[0];
/* Output endpoint? Curiousier and curiousier.. */