1 /* 2 * Include file for NEC VR4100 series General-purpose I/O Unit. 3 * 4 * Copyright (C) 2005 Yoichi Yuasa <yoichi_yuasa@tripeaks.co.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 /* 24 * NEC VR4100 series GIU platform device IDs. 25 */ 26 enum { 27 GPIO_50PINS_PULLUPDOWN, 28 GPIO_36PINS, 29 GPIO_48PINS_EDGE_SELECT, 30 }; 31 32 typedef enum { 33 IRQ_TRIGGER_LEVEL, 34 IRQ_TRIGGER_EDGE, 35 IRQ_TRIGGER_EDGE_FALLING, 36 IRQ_TRIGGER_EDGE_RISING, 37 } irq_trigger_t; 38 39 typedef enum { 40 IRQ_SIGNAL_THROUGH, 41 IRQ_SIGNAL_HOLD, 42 } irq_signal_t; 43 44 extern void vr41xx_set_irq_trigger(unsigned int pin, irq_trigger_t trigger, irq_signal_t signal); 45 46 typedef enum { 47 IRQ_LEVEL_LOW, 48 IRQ_LEVEL_HIGH, 49 } irq_level_t; 50 51 extern void vr41xx_set_irq_level(unsigned int pin, irq_level_t level); 52 53 typedef enum { 54 GPIO_DATA_LOW, 55 GPIO_DATA_HIGH, 56 GPIO_DATA_INVAL, 57 } gpio_data_t; 58 59 extern gpio_data_t vr41xx_gpio_get_pin(unsigned int pin); 60 extern int vr41xx_gpio_set_pin(unsigned int pin, gpio_data_t data); 61 62 typedef enum { 63 GPIO_INPUT, 64 GPIO_OUTPUT, 65 GPIO_OUTPUT_DISABLE, 66 } gpio_direction_t; 67 68 extern int vr41xx_gpio_set_direction(unsigned int pin, gpio_direction_t dir); 69 70 typedef enum { 71 GPIO_PULL_DOWN, 72 GPIO_PULL_UP, 73 GPIO_PULL_DISABLE, 74 } gpio_pull_t; 75 76 extern int vr41xx_gpio_pullupdown(unsigned int pin, gpio_pull_t pull); 77 78 #endif /* __NEC_VR41XX_GIU_H */ 79