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/*
* Include file for NEC VR4100 series General-purpose I/O Unit.
*
* Copyright (C) 2005 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
*
* 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
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_DATA_LOW,
GPIO_DATA_HIGH,
GPIO_DATA_INVAL,
} gpio_data_t;
extern gpio_data_t vr41xx_gpio_get_pin(unsigned int pin);
extern int vr41xx_gpio_set_pin(unsigned int pin, gpio_data_t data);
typedef enum {
GPIO_INPUT,
GPIO_OUTPUT,
GPIO_OUTPUT_DISABLE,
} gpio_direction_t;
extern int vr41xx_gpio_set_direction(unsigned int pin, gpio_direction_t dir);
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 */
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