From 7555d5ec29a52290d706440ce64fa02a53a3c4cf Mon Sep 17 00:00:00 2001 From: Marek Vasut Date: Sun, 25 Sep 2011 21:07:56 +0200 Subject: [PATCH] USB: Add usb_event_poll() to get keyboards working with EHCI Signed-off-by: Marek Vasut Cc: Remy Bohmer --- drivers/usb/host/ehci-hcd.c | 33 ++++++++++++++++++++++++++++++++- 1 file changed, 32 insertions(+), 1 deletion(-) diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c index 2197119cf7..b4c9db8464 100644 --- a/drivers/usb/host/ehci-hcd.c +++ b/drivers/usb/host/ehci-hcd.c @@ -26,6 +26,10 @@ #include #include #include +#ifdef CONFIG_USB_KEYBOARD +#include +extern unsigned char new[]; +#endif #include "ehci.h" @@ -895,5 +899,32 @@ submit_int_msg(struct usb_device *dev, unsigned long pipe, void *buffer, debug("dev=%p, pipe=%lu, buffer=%p, length=%d, interval=%d", dev, pipe, buffer, length, interval); - return -1; + return ehci_submit_async(dev, pipe, buffer, length, NULL); +} + +#ifdef CONFIG_SYS_USB_EVENT_POLL +/* + * This function polls for USB keyboard data. + */ +void usb_event_poll() +{ + struct stdio_dev *dev; + struct usb_device *usb_kbd_dev; + struct usb_interface *iface; + struct usb_endpoint_descriptor *ep; + int pipe; + int maxp; + + /* Get the pointer to USB Keyboard device pointer */ + dev = stdio_get_by_name("usbkbd"); + usb_kbd_dev = (struct usb_device *)dev->priv; + iface = &usb_kbd_dev->config.if_desc[0]; + ep = &iface->ep_desc[0]; + pipe = usb_rcvintpipe(usb_kbd_dev, ep->bEndpointAddress); + + /* Submit a interrupt transfer request */ + maxp = usb_maxpacket(usb_kbd_dev, pipe); + usb_submit_int_msg(usb_kbd_dev, pipe, &new[0], + maxp > 8 ? 8 : maxp, ep->bInterval); } +#endif /* CONFIG_SYS_USB_EVENT_POLL */ -- 2.39.5