diff options
Diffstat (limited to 'qemu/roms/ipxe/src/drivers/usb/usbhid.c')
-rw-r--r-- | qemu/roms/ipxe/src/drivers/usb/usbhid.c | 151 |
1 files changed, 0 insertions, 151 deletions
diff --git a/qemu/roms/ipxe/src/drivers/usb/usbhid.c b/qemu/roms/ipxe/src/drivers/usb/usbhid.c deleted file mode 100644 index c74535a05..000000000 --- a/qemu/roms/ipxe/src/drivers/usb/usbhid.c +++ /dev/null @@ -1,151 +0,0 @@ -/* - * Copyright (C) 2015 Michael Brown <mbrown@fensystems.co.uk>. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of the - * License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA - * 02110-1301, USA. - * - * You can also choose to distribute this program under the terms of - * the Unmodified Binary Distribution Licence (as given in the file - * COPYING.UBDL), provided that you have satisfied its requirements. - */ - -FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL ); - -#include <string.h> -#include <errno.h> -#include <ipxe/usb.h> -#include <ipxe/usbhid.h> - -/** @file - * - * USB human interface devices (HID) - * - */ - -/** - * Open USB human interface device - * - * @v hid USB human interface device - * @ret rc Return status code - */ -int usbhid_open ( struct usb_hid *hid ) { - int rc; - - /* Open interrupt IN endpoint */ - if ( ( rc = usb_endpoint_open ( &hid->in ) ) != 0 ) { - DBGC ( hid, "HID %s could not open interrupt IN: %s\n", - hid->func->name, strerror ( rc ) ); - goto err_open_in; - } - - /* Refill interrupt IN endpoint */ - if ( ( rc = usb_refill ( &hid->in ) ) != 0 ) { - DBGC ( hid, "HID %s could not refill interrupt IN: %s\n", - hid->func->name, strerror ( rc ) ); - goto err_refill_in; - } - - /* Open interrupt OUT endpoint, if applicable */ - if ( hid->out.usb && - ( ( rc = usb_endpoint_open ( &hid->out ) ) != 0 ) ) { - DBGC ( hid, "HID %s could not open interrupt OUT: %s\n", - hid->func->name, strerror ( rc ) ); - goto err_open_out; - } - - return 0; - - usb_endpoint_close ( &hid->out ); - err_open_out: - err_refill_in: - usb_endpoint_close ( &hid->in ); - err_open_in: - return rc; -} - -/** - * Close USB human interface device - * - * @v hid USB human interface device - */ -void usbhid_close ( struct usb_hid *hid ) { - - /* Close interrupt OUT endpoint, if applicable */ - if ( hid->out.usb ) - usb_endpoint_close ( &hid->out ); - - /* Close interrupt IN endpoint */ - usb_endpoint_close ( &hid->in ); -} - -/** - * Refill USB human interface device endpoints - * - * @v hid USB human interface device - * @ret rc Return status code - */ -int usbhid_refill ( struct usb_hid *hid ) { - int rc; - - /* Refill interrupt IN endpoint */ - if ( ( rc = usb_refill ( &hid->in ) ) != 0 ) - return rc; - - /* Refill interrupt OUT endpoint, if applicable */ - if ( hid->out.usb && ( ( rc = usb_refill ( &hid->out ) ) != 0 ) ) - return rc; - - return 0; -} - -/** - * Describe USB human interface device - * - * @v hid USB human interface device - * @v config Configuration descriptor - * @ret rc Return status code - */ -int usbhid_describe ( struct usb_hid *hid, - struct usb_configuration_descriptor *config ) { - struct usb_interface_descriptor *desc; - int rc; - - /* Locate interface descriptor */ - desc = usb_interface_descriptor ( config, hid->func->interface[0], 0 ); - if ( ! desc ) { - DBGC ( hid, "HID %s has no interface descriptor\n", - hid->func->name ); - return -EINVAL; - } - - /* Describe interrupt IN endpoint */ - if ( ( rc = usb_endpoint_described ( &hid->in, config, desc, - USB_INTERRUPT_IN, 0 ) ) != 0 ) { - DBGC ( hid, "HID %s could not describe interrupt IN: %s\n", - hid->func->name, strerror ( rc ) ); - return rc; - } - - /* Describe interrupt OUT endpoint, if applicable */ - if ( hid->out.usb && - ( ( rc = usb_endpoint_described ( &hid->out, config, desc, - USB_INTERRUPT_OUT, 0 ) ) != 0 )){ - DBGC ( hid, "HID %s could not describe interrupt OUT: %s\n", - hid->func->name, strerror ( rc ) ); - return rc; - } - - return 0; -} |