diff options
| author | Marek Vasut <marek.vasut@gmail.com> | 2011-09-25 21:07:56 +0200 |
|---|---|---|
| committer | Remy Bohmer <linux@bohmer.net> | 2011-12-11 14:40:38 +0100 |
| commit | 7555d5ec29a52290d706440ce64fa02a53a3c4cf (patch) | |
| tree | 9d13e836dd22f4854fd7c9bd5044b25bc940edd3 /drivers | |
| parent | 26cc5129ee647efdb88570b82994c0d19f1a2a8c (diff) | |
| download | u-boot-imx-7555d5ec29a52290d706440ce64fa02a53a3c4cf.zip u-boot-imx-7555d5ec29a52290d706440ce64fa02a53a3c4cf.tar.gz u-boot-imx-7555d5ec29a52290d706440ce64fa02a53a3c4cf.tar.bz2 | |
USB: Add usb_event_poll() to get keyboards working with EHCI
Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Cc: Remy Bohmer <linux@bohmer.net>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/usb/host/ehci-hcd.c | 33 |
1 files changed, 32 insertions, 1 deletions
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c index 2197119..b4c9db8 100644 --- a/drivers/usb/host/ehci-hcd.c +++ b/drivers/usb/host/ehci-hcd.c @@ -26,6 +26,10 @@ #include <asm/io.h> #include <malloc.h> #include <watchdog.h> +#ifdef CONFIG_USB_KEYBOARD +#include <stdio_dev.h> +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 */ |