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Current Path: /usr/src/sys/dev/usb

📁 ..
📁 controller
📁 gadget
📁 input
📁 misc
📁 net
📁 quirk
📁 serial
📁 storage
📁 template
📄 ufm_ioctl.h(1.85 KB)
📄 uftdiio.h(3.51 KB)
📄 uled_ioctl.h(1.61 KB)
📄 usb.h(24.12 KB)
📄 usb_bus.h(4.41 KB)
📄 usb_busdma.c(27.5 KB)
📄 usb_busdma.h(5.26 KB)
📄 usb_cdc.h(8.17 KB)
📄 usb_controller.h(6.1 KB)
📄 usb_core.c(2.53 KB)
📄 usb_core.h(6.83 KB)
📄 usb_debug.c(10.43 KB)
📄 usb_debug.h(3.23 KB)
📄 usb_dev.c(51.38 KB)
📄 usb_dev.h(5.12 KB)
📄 usb_device.c(77.7 KB)
📄 usb_device.h(11.68 KB)
📄 usb_dynamic.c(4.74 KB)
📄 usb_dynamic.h(2.5 KB)
📄 usb_endian.h(3.6 KB)
📄 usb_error.c(3.69 KB)
📄 usb_fdt_support.c(5.84 KB)
📄 usb_fdt_support.h(2.06 KB)
📄 usb_freebsd.h(3.96 KB)
📄 usb_freebsd_loader.h(3.74 KB)
📄 usb_generic.c(52.22 KB)
📄 usb_generic.h(1.66 KB)
📄 usb_handle_request.c(18.78 KB)
📄 usb_hid.c(4.59 KB)
📄 usb_hub.c(72.44 KB)
📄 usb_hub.h(2.98 KB)
📄 usb_hub_acpi.c(15.4 KB)
📄 usb_hub_private.h(2.73 KB)
📄 usb_if.m(2.27 KB)
📄 usb_ioctl.h(12.01 KB)
📄 usb_lookup.c(4.59 KB)
📄 usb_mbuf.c(3.08 KB)
📄 usb_mbuf.h(3.04 KB)
📄 usb_msctest.c(27.07 KB)
📄 usb_msctest.h(2.32 KB)
📄 usb_parse.c(9.2 KB)
📄 usb_pci.h(1.68 KB)
📄 usb_pf.c(13.22 KB)
📄 usb_pf.h(4.85 KB)
📄 usb_process.c(14.31 KB)
📄 usb_process.h(3.01 KB)
📄 usb_request.c(60.92 KB)
📄 usb_request.h(5.09 KB)
📄 usb_transfer.c(91.06 KB)
📄 usb_transfer.h(7.59 KB)
📄 usb_util.c(6.04 KB)
📄 usb_util.h(1.62 KB)
📄 usbdevs(201.48 KB)
📄 usbdi.h(24.3 KB)
📄 usbdi_util.h(3.97 KB)
📄 usbhid.h(3.26 KB)
📁 video
📁 wlan

Editing: usb_hid.c

/* $FreeBSD$ */
/*	$NetBSD: hid.c,v 1.17 2001/11/13 06:24:53 lukem Exp $	*/
/*-
 * SPDX-License-Identifier: BSD-2-Clause-NetBSD
 *
 * Copyright (c) 1998 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * This code is derived from software contributed to The NetBSD Foundation
 * by Lennart Augustsson (lennart@augustsson.net) at
 * Carlstedt Research & Technology.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#ifdef USB_GLOBAL_INCLUDE_FILE
#include USB_GLOBAL_INCLUDE_FILE
#else
#include <sys/stdint.h>
#include <sys/stddef.h>
#include <sys/param.h>
#include <sys/queue.h>
#include <sys/types.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/bus.h>
#include <sys/module.h>
#include <sys/lock.h>
#include <sys/mutex.h>
#include <sys/condvar.h>
#include <sys/sysctl.h>
#include <sys/sx.h>
#include <sys/unistd.h>
#include <sys/callout.h>
#include <sys/malloc.h>
#include <sys/priv.h>

#include <dev/usb/usb.h>
#include <dev/usb/usbdi.h>
#include <dev/usb/usbdi_util.h>
#include <dev/usb/usbhid.h>

#define	USB_DEBUG_VAR usb_debug

#include <dev/usb/usb_core.h>
#include <dev/usb/usb_debug.h>
#include <dev/usb/usb_process.h>
#include <dev/usb/usb_device.h>
#include <dev/usb/usb_request.h>
#endif			/* USB_GLOBAL_INCLUDE_FILE */

/*------------------------------------------------------------------------*
 *	hid_get_descriptor_from_usb
 *
 * This function will search for a HID descriptor between two USB
 * interface descriptors.
 *
 * Return values:
 * NULL: No more HID descriptors.
 * Else: Pointer to HID descriptor.
 *------------------------------------------------------------------------*/
struct usb_hid_descriptor *
hid_get_descriptor_from_usb(struct usb_config_descriptor *cd,
    struct usb_interface_descriptor *id)
{
	struct usb_descriptor *desc = (void *)id;

if (desc == NULL) {
		return (NULL);
	}
	while ((desc = usb_desc_foreach(cd, desc))) {
		if ((desc->bDescriptorType == UDESC_HID) &&
		    (desc->bLength >= USB_HID_DESCRIPTOR_SIZE(0))) {
			return (void *)desc;
		}
		if (desc->bDescriptorType == UDESC_INTERFACE) {
			break;
		}
	}
	return (NULL);
}

/*------------------------------------------------------------------------*
 *	usbd_req_get_hid_desc
 *
 * This function will read out an USB report descriptor from the USB
 * device.
 *
 * Return values:
 * NULL: Failure.
 * Else: Success. The pointer should eventually be passed to free().
 *------------------------------------------------------------------------*/
usb_error_t
usbd_req_get_hid_desc(struct usb_device *udev, struct mtx *mtx,
    void **descp, uint16_t *sizep,
    struct malloc_type *mem, uint8_t iface_index)
{
	struct usb_interface *iface = usbd_get_iface(udev, iface_index);
	struct usb_hid_descriptor *hid;
	usb_error_t err;

if ((iface == NULL) || (iface->idesc == NULL)) {
		return (USB_ERR_INVAL);
	}
	hid = hid_get_descriptor_from_usb
	    (usbd_get_config_descriptor(udev), iface->idesc);

if (hid == NULL) {
		return (USB_ERR_IOERROR);
	}
	*sizep = UGETW(hid->descrs[0].wDescriptorLength);
	if (*sizep == 0) {
		return (USB_ERR_IOERROR);
	}
	if (mtx)
		mtx_unlock(mtx);

*descp = malloc(*sizep, mem, M_ZERO | M_WAITOK);

if (mtx)
		mtx_lock(mtx);

if (*descp == NULL) {
		return (USB_ERR_NOMEM);
	}
	err = usbd_req_get_report_descriptor
	    (udev, mtx, *descp, *sizep, iface_index);

if (err) {
		free(*descp, mem);
		*descp = NULL;
		return (err);
	}
	return (USB_ERR_NORMAL_COMPLETION);
}

003 File Manager

Editing: usb_hid.c

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