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Diffstat (limited to 'include/asm-mips/vr41xx/giu.h')
-rw-r--r-- | include/asm-mips/vr41xx/giu.h | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/include/asm-mips/vr41xx/giu.h b/include/asm-mips/vr41xx/giu.h new file mode 100644 index 000000000000..8590885a7638 --- /dev/null +++ b/include/asm-mips/vr41xx/giu.h @@ -0,0 +1,69 @@ +/* + * Include file for NEC VR4100 series General-purpose I/O Unit. + * + * Copyright (C) 2005 Yoichi Yuasa <yuasa@hh.iij4u.or.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 */ |