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-rw-r--r--firmware/include/usb_hid.h236
1 files changed, 236 insertions, 0 deletions
diff --git a/firmware/include/usb_hid.h b/firmware/include/usb_hid.h
new file mode 100644
index 0000000..49f5ab8
--- /dev/null
+++ b/firmware/include/usb_hid.h
@@ -0,0 +1,236 @@
+#ifndef _USB_HID_H
+#define _USB_HID_H
+
+/*
+ *
+ * Portions of <linux/hid.h>:
+ * Copyright (c) 1999 Andreas Gal
+ * Copyright (c) 2000-2001 Vojtech Pavlik
+ * Copyright (c) 2006-2007 Jiri Kosina
+ */
+
+/*
+ * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+/*
+ * USB HID (Human Interface Device) interface class code
+ */
+
+#define USB_INTERFACE_CLASS_HID 3
+
+/*
+ * USB HID interface subclass and protocol codes
+ */
+
+#define USB_INTERFACE_SUBCLASS_BOOT 1
+#define USB_INTERFACE_PROTOCOL_KEYBOARD 1
+#define USB_INTERFACE_PROTOCOL_MOUSE 2
+
+/*
+ * HID class requests
+ */
+
+#define HID_REQ_GET_REPORT 0x01
+#define HID_REQ_GET_IDLE 0x02
+#define HID_REQ_GET_PROTOCOL 0x03
+#define HID_REQ_SET_REPORT 0x09
+#define HID_REQ_SET_IDLE 0x0A
+#define HID_REQ_SET_PROTOCOL 0x0B
+
+/*
+ * HID class descriptor types
+ */
+
+#define HID_DT_HID (USB_TYPE_CLASS | 0x01)
+#define HID_DT_REPORT (USB_TYPE_CLASS | 0x02)
+#define HID_DT_PHYSICAL (USB_TYPE_CLASS | 0x03)
+
+#define HID_MAX_DESCRIPTOR_SIZE 4096
+
+/*
+ * HID report item format
+ */
+
+#define HID_ITEM_FORMAT_SHORT 0
+#define HID_ITEM_FORMAT_LONG 1
+
+/*
+ * Special tag indicating long items
+ */
+
+#define HID_ITEM_TAG_LONG 15
+
+/*
+ * HID report descriptor item type (prefix bit 2,3)
+ */
+
+#define HID_ITEM_TYPE_MAIN 0
+#define HID_ITEM_TYPE_GLOBAL 1
+#define HID_ITEM_TYPE_LOCAL 2
+#define HID_ITEM_TYPE_RESERVED 3
+
+/*
+ * HID report descriptor main item tags
+ */
+
+#define HID_MAIN_ITEM_TAG_INPUT 8
+#define HID_MAIN_ITEM_TAG_OUTPUT 9
+#define HID_MAIN_ITEM_TAG_FEATURE 11
+#define HID_MAIN_ITEM_TAG_BEGIN_COLLECTION 10
+#define HID_MAIN_ITEM_TAG_END_COLLECTION 12
+
+/*
+ * HID report descriptor main item contents
+ */
+
+#define HID_MAIN_ITEM_CONSTANT 0x001
+#define HID_MAIN_ITEM_VARIABLE 0x002
+#define HID_MAIN_ITEM_RELATIVE 0x004
+#define HID_MAIN_ITEM_WRAP 0x008
+#define HID_MAIN_ITEM_NONLINEAR 0x010
+#define HID_MAIN_ITEM_NO_PREFERRED 0x020
+#define HID_MAIN_ITEM_NULL_STATE 0x040
+#define HID_MAIN_ITEM_VOLATILE 0x080
+#define HID_MAIN_ITEM_BUFFERED_BYTE 0x100
+
+/*
+ * HID report descriptor collection item types
+ */
+
+#define HID_COLLECTION_PHYSICAL 0
+#define HID_COLLECTION_APPLICATION 1
+#define HID_COLLECTION_LOGICAL 2
+
+/*
+ * HID report descriptor global item tags
+ */
+
+#define HID_GLOBAL_ITEM_TAG_USAGE_PAGE 0
+#define HID_GLOBAL_ITEM_TAG_LOGICAL_MINIMUM 1
+#define HID_GLOBAL_ITEM_TAG_LOGICAL_MAXIMUM 2
+#define HID_GLOBAL_ITEM_TAG_PHYSICAL_MINIMUM 3
+#define HID_GLOBAL_ITEM_TAG_PHYSICAL_MAXIMUM 4
+#define HID_GLOBAL_ITEM_TAG_UNIT_EXPONENT 5
+#define HID_GLOBAL_ITEM_TAG_UNIT 6
+#define HID_GLOBAL_ITEM_TAG_REPORT_SIZE 7
+#define HID_GLOBAL_ITEM_TAG_REPORT_ID 8
+#define HID_GLOBAL_ITEM_TAG_REPORT_COUNT 9
+#define HID_GLOBAL_ITEM_TAG_PUSH 10
+#define HID_GLOBAL_ITEM_TAG_POP 11
+
+/*
+ * HID report descriptor local item tags
+ */
+
+#define HID_LOCAL_ITEM_TAG_USAGE 0
+#define HID_LOCAL_ITEM_TAG_USAGE_MINIMUM 1
+#define HID_LOCAL_ITEM_TAG_USAGE_MAXIMUM 2
+#define HID_LOCAL_ITEM_TAG_DESIGNATOR_INDEX 3
+#define HID_LOCAL_ITEM_TAG_DESIGNATOR_MINIMUM 4
+#define HID_LOCAL_ITEM_TAG_DESIGNATOR_MAXIMUM 5
+#define HID_LOCAL_ITEM_TAG_STRING_INDEX 7
+#define HID_LOCAL_ITEM_TAG_STRING_MINIMUM 8
+#define HID_LOCAL_ITEM_TAG_STRING_MAXIMUM 9
+#define HID_LOCAL_ITEM_TAG_DELIMITER 10
+
+/*
+ * HID usage tables
+ */
+
+#define HID_USAGE_PAGE 0xffff0000
+
+#define HID_UP_UNDEFINED 0x00000000
+#define HID_UP_GENDESK 0x00010000
+#define HID_UP_SIMULATION 0x00020000
+#define HID_UP_KEYBOARD 0x00070000
+#define HID_UP_LED 0x00080000
+#define HID_UP_BUTTON 0x00090000
+#define HID_UP_ORDINAL 0x000a0000
+#define HID_UP_CONSUMER 0x000c0000
+#define HID_UP_DIGITIZER 0x000d0000
+#define HID_UP_PID 0x000f0000
+#define HID_UP_HPVENDOR 0xff7f0000
+#define HID_UP_MSVENDOR 0xff000000
+#define HID_UP_CUSTOM 0x00ff0000
+#define HID_UP_LOGIVENDOR 0xffbc0000
+
+#define HID_USAGE 0x0000ffff
+
+#define HID_GD_POINTER 0x00010001
+#define HID_GD_MOUSE 0x00010002
+#define HID_GD_JOYSTICK 0x00010004
+#define HID_GD_GAMEPAD 0x00010005
+#define HID_GD_KEYBOARD 0x00010006
+#define HID_GD_KEYPAD 0x00010007
+#define HID_GD_MULTIAXIS 0x00010008
+#define HID_GD_X 0x00010030
+#define HID_GD_Y 0x00010031
+#define HID_GD_Z 0x00010032
+#define HID_GD_RX 0x00010033
+#define HID_GD_RY 0x00010034
+#define HID_GD_RZ 0x00010035
+#define HID_GD_SLIDER 0x00010036
+#define HID_GD_DIAL 0x00010037
+#define HID_GD_WHEEL 0x00010038
+#define HID_GD_HATSWITCH 0x00010039
+#define HID_GD_BUFFER 0x0001003a
+#define HID_GD_BYTECOUNT 0x0001003b
+#define HID_GD_MOTION 0x0001003c
+#define HID_GD_START 0x0001003d
+#define HID_GD_SELECT 0x0001003e
+#define HID_GD_VX 0x00010040
+#define HID_GD_VY 0x00010041
+#define HID_GD_VZ 0x00010042
+#define HID_GD_VBRX 0x00010043
+#define HID_GD_VBRY 0x00010044
+#define HID_GD_VBRZ 0x00010045
+#define HID_GD_VNO 0x00010046
+#define HID_GD_FEATURE 0x00010047
+#define HID_GD_UP 0x00010090
+#define HID_GD_DOWN 0x00010091
+#define HID_GD_RIGHT 0x00010092
+#define HID_GD_LEFT 0x00010093
+
+/*
+ * HID report types --- Ouch! HID spec says 1 2 3!
+ */
+
+#define HID_INPUT_REPORT 0
+#define HID_OUTPUT_REPORT 1
+#define HID_FEATURE_REPORT 2
+
+struct usb_hid_class_descriptor {
+ u_int8_t bDescriptorType;
+ u_int16_t wDescriptorLength;
+} __attribute__ ((packed));
+
+struct usb_hid_descriptor {
+ u_int8_t bLength;
+ u_int8_t bDescriptorType;
+ u_int16_t bcdHID;
+ u_int8_t bCountryCode;
+ u_int8_t bNumDescriptors;
+
+ struct hid_class_descriptor desc[1];
+} __attribute__ ((packed));
+
+/* Applications from HID Usage Tables 4/8/99 Version 1.1 */
+/* We ignore a few input applications that are not widely used */
+#define IS_INPUT_APPLICATION(a) (((a >= 0x00010000) && (a <= 0x00010008)) || (a == 0x00010080) || (a == 0x000c0001))
+
+#endif
+
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