/*
* Include file for NEC VR4100 series General-purpose I/O Unit.
*
* Copyright (C) 2005-2009 Yoichi Yuasa <[email protected]>
*
* 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
*/
#ifndef __NEC_VR41XX_GIU_H
#define __NEC_VR41XX_GIU_H

/*
* NEC VR4100 series GIU platform device IDs.
*/
enum {
GPIO_50PINS_PULLUPDOWN,
GPIO_36PINS,
GPIO_48PINS_EDGE_SELECT,
};

typedef enum {
IRQ_TRIGGER_LEVEL,
IRQ_TRIGGER_EDGE,
IRQ_TRIGGER_EDGE_FALLING,
IRQ_TRIGGER_EDGE_RISING,
} irq_trigger_t;

typedef enum {
IRQ_SIGNAL_THROUGH,
IRQ_SIGNAL_HOLD,
} irq_signal_t;

extern void vr41xx_set_irq_trigger(unsigned int pin, irq_trigger_t trigger,
irq_signal_t signal);

typedef enum {
IRQ_LEVEL_LOW,
IRQ_LEVEL_HIGH,
} irq_level_t;

extern void vr41xx_set_irq_level(unsigned int pin, irq_level_t level);

typedef enum {
GPIO_PULL_DOWN,
GPIO_PULL_UP,
GPIO_PULL_DISABLE,
} gpio_pull_t;

extern int vr41xx_gpio_pullupdown(unsigned int pin, gpio_pull_t pull);

#endif /* __NEC_VR41XX_GIU_H */