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[usb] Add support for numeric keypad on USB keyboards

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Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Michael Brown
2016-01-06 16:30:01 +00:00
parent 173c48a57e
commit 2f861d736f
3 changed files with 134 additions and 7 deletions
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34
src/include/ipxe/usbhid.h
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@@ -33,6 +33,20 @@ FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
( USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE | \
USB_REQUEST_TYPE ( 0x0a ) )
/** Set report */
#define USBHID_SET_REPORT \
( USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE | \
USB_REQUEST_TYPE ( 0x09 ) )
/** Input report type */
#define USBHID_REPORT_INPUT 0x01
/** Output report type */
#define USBHID_REPORT_OUTPUT 0x02
/** Feature report type */
#define USBHID_REPORT_FEATURE 0x03
/** A USB human interface device */
struct usb_hid {
/** USB function */
@@ -97,6 +111,26 @@ usbhid_set_idle ( struct usb_device *usb, unsigned int interface,
interface, NULL, 0 );
}
/**
* Set report
*
* @v usb USB device
* @v interface Interface number
* @v type Report type
* @v report Report ID
* @v data Report data
* @v len Length of report data
* @ret rc Return status code
*/
static inline __attribute__ (( always_inline )) int
usbhid_set_report ( struct usb_device *usb, unsigned int interface,
unsigned int type, unsigned int report, void *data,
size_t len ) {
return usb_control ( usb, USBHID_SET_REPORT, ( ( type << 8 ) | report ),
interface, data, len );
}
extern int usbhid_open ( struct usb_hid *hid );
extern void usbhid_close ( struct usb_hid *hid );
extern int usbhid_refill ( struct usb_hid *hid );