| Yoichi Yuasa | e400bae | 2005-06-21 17:15:56 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Include file for NEC VR4100 series General-purpose I/O Unit. |
| 3 | * |
| 4 | * Copyright (C) 2005 Yoichi Yuasa <yuasa@hh.iij4u.or.jp> |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; either version 2 of the License, or |
| 9 | * (at your option) any later version. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License |
| 17 | * along with this program; if not, write to the Free Software |
| 18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 19 | */ |
| 20 | #ifndef __NEC_VR41XX_GIU_H |
| 21 | #define __NEC_VR41XX_GIU_H |
| 22 | |
| 23 | typedef enum { |
| 24 | IRQ_TRIGGER_LEVEL, |
| 25 | IRQ_TRIGGER_EDGE, |
| 26 | IRQ_TRIGGER_EDGE_FALLING, |
| 27 | IRQ_TRIGGER_EDGE_RISING, |
| 28 | } irq_trigger_t; |
| 29 | |
| 30 | typedef enum { |
| 31 | IRQ_SIGNAL_THROUGH, |
| 32 | IRQ_SIGNAL_HOLD, |
| 33 | } irq_signal_t; |
| 34 | |
| 35 | extern void vr41xx_set_irq_trigger(unsigned int pin, irq_trigger_t trigger, irq_signal_t signal); |
| 36 | |
| 37 | typedef enum { |
| 38 | IRQ_LEVEL_LOW, |
| 39 | IRQ_LEVEL_HIGH, |
| 40 | } irq_level_t; |
| 41 | |
| 42 | extern void vr41xx_set_irq_level(unsigned int pin, irq_level_t level); |
| 43 | |
| 44 | typedef enum { |
| 45 | GPIO_DATA_LOW, |
| 46 | GPIO_DATA_HIGH, |
| 47 | GPIO_DATA_INVAL, |
| 48 | } gpio_data_t; |
| 49 | |
| 50 | extern gpio_data_t vr41xx_gpio_get_pin(unsigned int pin); |
| 51 | extern int vr41xx_gpio_set_pin(unsigned int pin, gpio_data_t data); |
| 52 | |
| 53 | typedef enum { |
| 54 | GPIO_INPUT, |
| 55 | GPIO_OUTPUT, |
| 56 | GPIO_OUTPUT_DISABLE, |
| 57 | } gpio_direction_t; |
| 58 | |
| 59 | extern int vr41xx_gpio_set_direction(unsigned int pin, gpio_direction_t dir); |
| 60 | |
| 61 | typedef enum { |
| 62 | GPIO_PULL_DOWN, |
| 63 | GPIO_PULL_UP, |
| 64 | GPIO_PULL_DISABLE, |
| 65 | } gpio_pull_t; |
| 66 | |
| 67 | extern int vr41xx_gpio_pullupdown(unsigned int pin, gpio_pull_t pull); |
| 68 | |
| 69 | #endif /* __NEC_VR41XX_GIU_H */ |