--- /dev/null
+;;
+;; This file is part of the fx2lafw project.
+;;
+;; Copyright (C) 2011-2012 Uwe Hermann <uwe@hermann-uwe.de>
+;; Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.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 St, Fifth Floor, Boston, MA 02110-1301 USA
+;;
+
+.module DEV_DSCR
+
+; Descriptor types
+DSCR_DEVICE_TYPE = 1
+DSCR_CONFIG_TYPE = 2
+DSCR_STRING_TYPE = 3
+DSCR_INTERFACE_TYPE = 4
+DSCR_ENDPOINT_TYPE = 5
+DSCR_DEVQUAL_TYPE = 6
+
+; Descriptor lengths
+DSCR_INTERFACE_LEN = 9
+DSCR_ENDPOINT_LEN = 7
+
+; Endpoint types
+ENDPOINT_TYPE_CONTROL = 0
+ENDPOINT_TYPE_ISO = 1
+ENDPOINT_TYPE_BULK = 2
+ENDPOINT_TYPE_INT = 3
+
+.globl _dev_dscr, _dev_qual_dscr, _highspd_dscr, _fullspd_dscr, _dev_strings, _dev_strings_end
+.area DSCR_AREA (CODE)
+
+; -----------------------------------------------------------------------------
+; Device descriptor
+; -----------------------------------------------------------------------------
+_dev_dscr:
+ .db dev_dscr_end - _dev_dscr
+ .db DSCR_DEVICE_TYPE
+ .dw 0x0002 ; USB 2.0
+ .db 0xff ; Class (vendor specific)
+ .db 0xff ; Subclass (vendor specific)
+ .db 0xff ; Protocol (vendor specific)
+ .db 64 ; Max. EP0 packet size
+ .dw 0xa908 ; Manufacturer ID (0x08a9)
+ .dw 0x0900 ; Product ID (0x0014)
+ .dw 0x0100 ; Product version (0.01)
+ .db 1 ; Manufacturer string index
+ .db 2 ; Product string index
+ .db 0 ; Serial number string index (none)
+ .db 1 ; Number of configurations
+dev_dscr_end:
+
+; -----------------------------------------------------------------------------
+; Device qualifier (for "other device speed")
+; -----------------------------------------------------------------------------
+_dev_qual_dscr:
+ .db dev_qualdscr_end - _dev_qual_dscr
+ .db DSCR_DEVQUAL_TYPE
+ .dw 0x0002 ; USB 2.0
+ .db 0xff ; Class (vendor specific)
+ .db 0xff ; Subclass (vendor specific)
+ .db 0xff ; Protocol (vendor specific)
+ .db 64 ; Max. EP0 packet size
+ .db 1 ; Number of configurations
+ .db 0 ; Extra reserved byte
+dev_qualdscr_end:
+
+; -----------------------------------------------------------------------------
+; High-Speed configuration descriptor
+; -----------------------------------------------------------------------------
+_highspd_dscr:
+ .db highspd_dscr_end - _highspd_dscr
+ .db DSCR_CONFIG_TYPE
+ ; Total length of the configuration (1st line LSB, 2nd line MSB)
+ .db (highspd_dscr_realend - _highspd_dscr) % 256
+ .db (highspd_dscr_realend - _highspd_dscr) / 256
+ .db 1 ; Number of interfaces
+ .db 1 ; Configuration number
+ .db 0 ; Configuration string (none)
+ .db 0x80 ; Attributes (bus powered, no wakeup)
+ .db 0x32 ; Max. power (100mA)
+highspd_dscr_end:
+
+ ; Interfaces (only one in our case)
+ .db DSCR_INTERFACE_LEN
+ .db DSCR_INTERFACE_TYPE
+ .db 0 ; Interface index
+ .db 0 ; Alternate setting index
+ .db 2 ; Number of endpoints
+ .db 0xff ; Class (vendor specific)
+ .db 0xff ; Subclass (vendor specific)
+ .db 0xff ; Protocol (vendor specific)
+ .db 0 ; String index (none)
+
+ ; Endpoint 2 (IN)
+ .db DSCR_ENDPOINT_LEN
+ .db DSCR_ENDPOINT_TYPE
+ .db 0x82 ; EP number (2), direction (IN)
+ .db ENDPOINT_TYPE_BULK ; Endpoint type (bulk)
+ .db 0x00 ; Max. packet size, LSB (512 bytes)
+ .db 0x02 ; Max. packet size, MSB (512 bytes)
+ .db 0x00 ; Polling interval
+
+ ; Endpoint 6 (IN)
+ .db DSCR_ENDPOINT_LEN
+ .db DSCR_ENDPOINT_TYPE
+ .db 0x86 ; EP number (6), direction (IN)
+ .db ENDPOINT_TYPE_BULK ; Endpoint type (bulk)
+ .db 0x00 ; Max. packet size, LSB (512 bytes)
+ .db 0x02 ; Max. packet size, MSB (512 bytes)
+ .db 0x00 ; Polling interval
+
+highspd_dscr_realend:
+
+ .even
+
+; -----------------------------------------------------------------------------
+; Full-Speed configuration descriptor
+; -----------------------------------------------------------------------------
+_fullspd_dscr:
+ .db fullspd_dscr_end - _fullspd_dscr
+ .db DSCR_CONFIG_TYPE
+ ; Total length of the configuration (1st line LSB, 2nd line MSB)
+ .db (fullspd_dscr_realend - _fullspd_dscr) % 256
+ .db (fullspd_dscr_realend - _fullspd_dscr) / 256
+ .db 1 ; Number of interfaces
+ .db 1 ; Configuration number
+ .db 0 ; Configuration string (none)
+ .db 0x80 ; Attributes (bus powered, no wakeup)
+ .db 0x32 ; Max. power (100mA)
+fullspd_dscr_end:
+
+ ; Interfaces (only one in our case)
+ .db DSCR_INTERFACE_LEN
+ .db DSCR_INTERFACE_TYPE
+ .db 0 ; Interface index
+ .db 0 ; Alternate setting index
+ .db 2 ; Number of endpoints
+ .db 0xff ; Class (vendor specific)
+ .db 0xff ; Subclass (vendor specific)
+ .db 0xff ; Protocol (vendor specific)
+ .db 0 ; String index (none)
+
+ ; Endpoint 2 (IN)
+ .db DSCR_ENDPOINT_LEN
+ .db DSCR_ENDPOINT_TYPE
+ .db 0x82 ; EP number (2), direction (IN)
+ .db ENDPOINT_TYPE_BULK ; Endpoint type (bulk)
+ .db 0x40 ; Max. packet size, LSB (64 bytes)
+ .db 0x00 ; Max. packet size, MSB (64 bytes)
+ .db 0x00 ; Polling interval
+
+ ; Endpoint 6 (IN)
+ .db DSCR_ENDPOINT_LEN
+ .db DSCR_ENDPOINT_TYPE
+ .db 0x86 ; EP number (6), direction (IN)
+ .db ENDPOINT_TYPE_BULK ; Endpoint type (bulk)
+ .db 0x40 ; Max. packet size, LSB (64 bytes)
+ .db 0x00 ; Max. packet size, MSB (64 bytes)
+ .db 0x00 ; Polling interval
+
+fullspd_dscr_realend:
+
+ .even
+
+; -----------------------------------------------------------------------------
+; Strings
+; -----------------------------------------------------------------------------
+
+_dev_strings:
+
+; See http://www.usb.org/developers/docs/USB_LANGIDs.pdf for the full list.
+_string0:
+ .db string0end - _string0
+ .db DSCR_STRING_TYPE
+ .db 0x09, 0x04 ; Language code 0x0409 (English, US)
+string0end:
+
+_string1:
+ .db string1end - _string1
+ .db DSCR_STRING_TYPE
+ .ascii 's'
+ .db 0
+ .ascii 'i'
+ .db 0
+ .ascii 'g'
+ .db 0
+ .ascii 'r'
+ .db 0
+ .ascii 'o'
+ .db 0
+ .ascii 'k'
+ .db 0
+string1end:
+
+_string2:
+ .db string2end - _string2
+ .db DSCR_STRING_TYPE
+ .ascii 'f'
+ .db 0
+ .ascii 'x'
+ .db 0
+ .ascii '2'
+ .db 0
+ .ascii 'l'
+ .db 0
+ .ascii 'a'
+ .db 0
+ .ascii 'f'
+ .db 0
+ .ascii 'w'
+ .db 0
+string2end:
+
+_dev_strings_end:
+ .dw 0x0000
+