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[usb] Parse endpoint descriptor bInterval field

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Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Michael Brown
2015-02-09 23:50:35 +00:00
parent cf153f60a5
commit 17aceb34da
4 changed files with 46 additions and 5 deletions
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9
src/include/ipxe/usb.h
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@@ -372,6 +372,8 @@ struct usb_endpoint {
size_t mtu;
/** Maximum burst size */
unsigned int burst;
/** Interval (in microframes) */
unsigned int interval;
/** Endpoint is open */
int open;
@@ -462,6 +464,9 @@ struct usb_endpoint_driver_operations {
/** Control endpoint maximum burst size */
#define USB_EP0_BURST 0
/** Control endpoint interval */
#define USB_EP0_INTERVAL 0
/** Maximum endpoint number */
#define USB_ENDPOINT_MAX 0x0f
@@ -496,16 +501,18 @@ usb_endpoint_init ( struct usb_endpoint *ep, struct usb_device *usb,
* @v attributes Attributes
* @v mtu Maximum packet size
* @v burst Maximum burst size
* @v interval Interval (in microframes)
*/
static inline __attribute__ (( always_inline )) void
usb_endpoint_describe ( struct usb_endpoint *ep, unsigned int address,
unsigned int attributes, size_t mtu,
unsigned int burst ) {
unsigned int burst, unsigned int interval ) {
ep->address = address;
ep->attributes = attributes;
ep->mtu = mtu;
ep->burst = burst;
ep->interval = interval;
}
/**