FreeBSD/Linux Kernel Cross Reference
sys/dev/usb/usbhid.h

     /* $FreeBSD$ */
     /*-
      * SPDX-License-Identifier: BSD-2-Clause-NetBSD
      *
      * Copyright (c) 2008 Hans Petter Selasky. All rights reserved.
      * Copyright (c) 1998 The NetBSD Foundation, Inc. All rights reserved.
      * Copyright (c) 1998 Lennart Augustsson. All rights reserved.
      *
      * 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 AUTHOR 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 AUTHOR 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.
     */
    
    #ifndef _USB_HID_H_
    #define _USB_HID_H_
    
    #include <dev/hid/hid.h>
    
    #ifndef USB_GLOBAL_INCLUDE_FILE
    #include <dev/usb/usb_endian.h>
    #endif
    
    #define UR_GET_HID_DESCRIPTOR   0x06
    #define UDESC_HID               0x21
    #define UDESC_REPORT            0x22
    #define UDESC_PHYSICAL          0x23
    #define UR_SET_HID_DESCRIPTOR   0x07
    #define UR_GET_REPORT           0x01
    #define UR_SET_REPORT           0x09
    #define UR_GET_IDLE             0x02
    #define UR_SET_IDLE             0x0a
    #define UR_GET_PROTOCOL         0x03
    #define UR_SET_PROTOCOL         0x0b
    
    struct usb_hid_descriptor {
            uByte   bLength;
            uByte   bDescriptorType;
            uWord   bcdHID;
            uByte   bCountryCode;
            uByte   bNumDescriptors;
            struct {
                    uByte   bDescriptorType;
                    uWord   wDescriptorLength;
            }       descrs[1];
    } __packed;
    
    #define USB_HID_DESCRIPTOR_SIZE(n) (9+((n)*3))
    
    #define UHID_INPUT_REPORT       HID_INPUT_REPORT
    #define UHID_OUTPUT_REPORT      HID_OUTPUT_REPORT
    #define UHID_FEATURE_REPORT     HID_FEATURE_REPORT
    
    #if defined(_KERNEL) || defined(_STANDALONE)
    struct usb_config_descriptor;
    
    #ifdef COMPAT_USBHID12
    /* FreeBSD <= 12 compat shims */
    #define hid_report_size(buf, len, kind, id)     \
            hid_report_size_max(buf, len, kind, id)
    static __inline uint32_t
    hid_get_data_unsigned(const uint8_t *buf, hid_size_t len,
        struct hid_location *loc)
    {
            return (hid_get_udata(buf, len, loc));
    }
    static __inline void
    hid_put_data_unsigned(uint8_t *buf, hid_size_t len, struct hid_location *loc,
        unsigned value)
    {
            return (hid_put_udata(buf, len, loc, value));
    }
    #endif
    
    struct usb_hid_descriptor *hid_get_descriptor_from_usb(
                struct usb_config_descriptor *cd,
                struct usb_interface_descriptor *id);
    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);
    #endif  /* _KERNEL || _STANDALONE */
    #endif  /* _USB_HID_H_ */

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