xorg-server-1.4/hw/xfree86/os-support/bsd/libusb/usb.h

   1 /*
   2  * Copyright (c) 1999 Lennart Augustsson <augustss@netbsd.org>
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  *
  14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  24  * SUCH DAMAGE.
  25  */
  26
  27 #define _DIAGASSERT(e) assert(e)
  28
  29 typedef struct report_desc *report_desc_t;
  30
  31 typedef struct hid_data *hid_data_t;
  32
  33 typedef enum hid_kind {
  34         hid_input, hid_output, hid_feature, hid_collection, hid_endcollection
  35 }hid_kind_t;
  36
  37 typedef struct hid_item {
  38         /* Global */
  39         int _usage_page;
  40         int logical_minimum;
  41         int logical_maximum;
  42         int physical_minimum;
  43         int physical_maximum;
  44         int unit_exponent;
  45         int unit;
  46         int report_size;
  47         int report_ID;
  48         int report_count;
  49         /* Local */
  50         unsigned int usage;
  51         int usage_minimum;
  52         int usage_maximum;
  53         int designator_index;
  54         int designator_minimum;
  55         int designator_maximum;
  56         int string_index;
  57         int string_minimum;
  58         int string_maximum;
  59         int set_delimiter;
  60         /* Misc */
  61         int collection;
  62         int collevel;
  63         enum hid_kind kind;
  64         unsigned int flags;
  65         /* Absolute data position (bits) */
  66         unsigned int pos;
  67         /* */
  68         struct hid_item *next;
  69 } hid_item_t;
  70
  71 #define HID_PAGE(u) ((u) >> 16)
  72 #define HID_USAGE(u) ((u) & 0xffff)
  73
  74 /* Obtaining a report descriptor, descr.c: */
  75 report_desc_t hid_get_report_desc __P((int file));
  76 void hid_dispose_report_desc __P((report_desc_t));
  77
  78 /* Parsing of a HID report descriptor, parse.c: */
  79 hid_data_t hid_start_parse __P((report_desc_t d, int kindset));
  80 void hid_end_parse __P((hid_data_t s));
  81 int hid_get_item __P((hid_data_t s, hid_item_t *h));
  82 int hid_report_size __P((report_desc_t d, enum hid_kind k, int *idp));
  83 int hid_locate __P((report_desc_t d, unsigned int usage, enum hid_kind k, hid_item_t *h));
  84
  85 /* Conversion to/from usage names, usage.c: */
  86 char *hid_usage_page __P((int i));
  87 char *hid_usage_in_page __P((unsigned int u));
  88 void hid_init __P((char *file));
  89
  90 /* Extracting/insertion of data, data.c: */
  91 int hid_get_data __P((void *p, hid_item_t *h));
  92 void hid_set_data __P((void *p, hid_item_t *h, int data));