/* * driver.h - parallel port driver definition * * Copyright Otávio Ribeiro @ 2007 * otavio@otavio.eng.br * * 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 Library 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 Street, Fifth Floor Boston, MA 02110-1301,  USA */#ifndef __2430PRG_DRIVER_H__#define __2430PRG_DRIVER_H__enum _prg_register {	PRG_REGISTER_DATA = 0x00,	PRG_REGISTER_STATUS = 0x01,	PRG_REGISTER_CONTROL = 0x02};typedef enum _prg_register prg_register_t;struct _prg_driver {	unsigned int (*open)(void* param);	unsigned int (*close)();	unsigned int (*init)();	unsigned int (*read)(prg_register_t reg, void* param);	unsigned int (*write)(prg_register_t reg, void* param); };extern struct _prg_driver ppdev_driver;extern struct _prg_driver io_driver;#endif /*__2430PRG_DRIVER_H__*/