1/* 2 * Tieman Voyager braille display USB driver. 3 * 4 * Copyright 2001-2002 Stephane Dalton <sdalton@videotron.ca> 5 * and St�phane Doyon <s.doyon@videotron.ca> 6 * Maintained by St�phane Doyon <s.doyon@videotron.ca>. 7 */ 8/* 9 * This program is free software; you can redistribute it and/or modify 10 * it under the terms of the GNU General Public License as published by 11 * the Free Software Foundation; either version 2 of the License, or 12 * (at your option) any later version. 13 * 14 * This program is distributed in the hope that it will be useful, 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 * GNU General Public License for more details. 18 * 19 * You should have received a copy of the GNU General Public License 20 * along with this program; if not, write to the Free Software 21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 22 */ 23 24#ifndef _LINUX_BRLVGER_H 25#define _LINUX_BRLVGER_H 26 27/* Ioctl request codes */ 28#define BRLVGER_GET_INFO 0 29#define BRLVGER_DISPLAY_ON 2 30#define BRLVGER_DISPLAY_OFF 3 31#define BRLVGER_BUZZ 4 32 33/* Number of supported devices, and range of covered minors */ 34#define MAX_NR_BRLVGER_DEVS 4 35 36/* Base minor for the char devices */ 37#define BRLVGER_MINOR 128 38 39/* Size of some fields */ 40#define BRLVGER_HWVER_SIZE 2 41#define BRLVGER_FWVER_SIZE 200 /* arbitrary, a long string */ 42#define BRLVGER_SERIAL_BIN_SIZE 8 43#define BRLVGER_SERIAL_SIZE ((2*BRLVGER_SERIAL_BIN_SIZE)+1) 44 45struct brlvger_info { 46 __u8 driver_version[12]; 47 __u8 driver_banner[200]; 48 49 __u32 display_length; 50 /* All other char[] fields are strings except this one. 51 Hardware version: first byte is major, second byte is minor. */ 52 __u8 hwver[BRLVGER_HWVER_SIZE]; 53 __u8 fwver[BRLVGER_FWVER_SIZE]; 54 __u8 serialnum[BRLVGER_SERIAL_SIZE]; 55}; 56 57#endif 58