#undef USB_DEBUG
#ifdef USB_DEBUG
-#define USB_PRINTF(fmt, args...) printf (fmt , ##args)
+#define USB_PRINTF(fmt, args...) printf(fmt , ##args)
#else
#define USB_PRINTF(fmt, args...)
#endif
* wait_ms
*/
-void __inline__ wait_ms(unsigned long ms)
+inline void wait_ms(unsigned long ms)
{
while (ms-- > 0)
udelay(1000);
}
+
/***************************************************************************
* Init USB Device
*/
if (timeout == 0)
return (int)size;
- while (timeout--) {
- if (!((volatile unsigned long)dev->status & USB_ST_NOT_PROC))
- break;
- wait_ms(1);
- }
- if (dev->status == 0)
- return dev->act_len;
- else
+ 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;
+ }
+
+ return dev->act_len;
}
/*-------------------------------------------------------------------
{
/* direction is out -> use emaxpacket out */
if ((pipe & USB_DIR_IN) == 0)
- return(dev->epmaxpacketout[((pipe>>15) & 0xf)]);
+ return dev->epmaxpacketout[((pipe>>15) & 0xf)];
else
- return(dev->epmaxpacketin[((pipe>>15) & 0xf)]);
+ return dev->epmaxpacketin[((pipe>>15) & 0xf)];
}
/* The routine usb_set_maxpacket_ep() is extracted from the loop of routine
USB_ENDPOINT_XFER_CONTROL) {
/* Control => bidirectional */
dev->epmaxpacketout[b] = ep->wMaxPacketSize;
- dev->epmaxpacketin [b] = ep->wMaxPacketSize;
+ dev->epmaxpacketin[b] = ep->wMaxPacketSize;
USB_PRINTF("##Control EP epmaxpacketout/in[%d] = %d\n",
b, dev->epmaxpacketin[b]);
} else {
config = (struct usb_config_descriptor *)&buffer[0];
- result = usb_get_descriptor(dev, USB_DT_CONFIG, cfgno, buffer, 8);
- if (result < 8) {
+ result = usb_get_descriptor(dev, USB_DT_CONFIG, cfgno, buffer, 9);
+ if (result < 9) {
if (result < 0)
printf("unable to get descriptor, error %lX\n",
dev->status);
else
printf("config descriptor too short " \
- "(expected %i, got %i)\n", 8, result);
+ "(expected %i, got %i)\n", 9, result);
return -1;
}
tmp = le16_to_cpu(config->wTotalLength);
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");
* Several USB stick devices report ERR: CTL_TIMEOUT, caused by an
* invalid header while reading 8 bytes as device descriptor. */
dev->descriptor.bMaxPacketSize0 = 8; /* Start off at 8 bytes */
- dev->maxpacketsize = 0; /* Default to 8 byte max packet size */
- dev->epmaxpacketin [0] = 8;
+ dev->maxpacketsize = PACKET_SIZE_8;
+ dev->epmaxpacketin[0] = 8;
dev->epmaxpacketout[0] = 8;
err = usb_get_descriptor(dev, USB_DT_DEVICE, 0, &dev->descriptor, 8);
if (err < 8) {
printf("\n USB device not responding, " \
- "giving up (status=%lX)\n",dev->status);
+ "giving up (status=%lX)\n", dev->status);
return 1;
}
#else
- /* this is a Windows scheme of initialization sequence, with double
- * reset of the device (Linux uses the same sequence, but without double
- * reset. This double reset is not considered harmful and matches the
- * Windows behaviour)
+ /* This is a Windows scheme of initialization sequence, with double
+ * reset of the device (Linux uses the same sequence)
* Some equipment is said to work only with such init sequence; this
* patch is based on the work by Alan Stern:
- * http://sourceforge.net/mailarchive/forum.php?thread_id=5729457&forum_id=5398
+ * http://sourceforge.net/mailarchive/forum.php?
+ * thread_id=5729457&forum_id=5398
*/
- int j;
struct usb_device_descriptor *desc;
int port = -1;
struct usb_device *parent = dev->parent;
desc = (struct usb_device_descriptor *)tmpbuf;
dev->descriptor.bMaxPacketSize0 = 64; /* Start off at 64 bytes */
- dev->maxpacketsize = 64; /* Default to 64 byte max packet size */
- dev->epmaxpacketin [0] = 64;
+ /* Default to 64 byte max packet size */
+ dev->maxpacketsize = PACKET_SIZE_64;
+ dev->epmaxpacketin[0] = 64;
dev->epmaxpacketout[0] = 64;
- for (j = 0; j < 3; ++j) {
- err = usb_get_descriptor(dev, USB_DT_DEVICE, 0, desc, 64);
- if (err < 0) {
- USB_PRINTF("usb_new_device: 64 byte descr\n");
- break;
- }
+
+ err = usb_get_descriptor(dev, USB_DT_DEVICE, 0, desc, 64);
+ if (err < 0) {
+ USB_PRINTF("usb_new_device: usb_get_descriptor() failed\n");
+ return 1;
}
+
dev->descriptor.bMaxPacketSize0 = desc->bMaxPacketSize0;
/* find the port number we're at */
if (parent) {
+ int j;
for (j = 0; j < parent->maxchild; j++) {
if (parent->children[j] == dev) {
}
#endif
- dev->epmaxpacketin [0] = dev->descriptor.bMaxPacketSize0;
+ dev->epmaxpacketin[0] = dev->descriptor.bMaxPacketSize0;
dev->epmaxpacketout[0] = dev->descriptor.bMaxPacketSize0;
switch (dev->descriptor.bMaxPacketSize0) {
- case 8: dev->maxpacketsize = 0; break;
- case 16: dev->maxpacketsize = 1; break;
- case 32: dev->maxpacketsize = 2; break;
- case 64: dev->maxpacketsize = 3; break;
+ case 8:
+ dev->maxpacketsize = PACKET_SIZE_8;
+ break;
+ case 16:
+ dev->maxpacketsize = PACKET_SIZE_16;
+ break;
+ case 32:
+ dev->maxpacketsize = PACKET_SIZE_32;
+ break;
+ case 64:
+ dev->maxpacketsize = PACKET_SIZE_64;
+ break;
}
dev->devnum = addr;
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();
#undef USB_HUB_DEBUG
#ifdef USB_HUB_DEBUG
-#define USB_HUB_PRINTF(fmt, args...) printf (fmt , ##args)
+#define USB_HUB_PRINTF(fmt, args...) printf(fmt , ##args)
#else
#define USB_HUB_PRINTF(fmt, args...)
#endif
#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->slow = (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;
projects / karo-tx-uboot.git / blobdiff