LXR linux/arch/mips/include/asm/vr41xx/giu.h

   1/* SPDX-License-Identifier: GPL-2.0-or-later */
   2/*
   3 *  Include file for NEC VR4100 series General-purpose I/O Unit.
   4 *
   5 *  Copyright (C) 2005-2009  Yoichi Yuasa <yuasa@linux-mips.org>
   6 */
   7#ifndef __NEC_VR41XX_GIU_H
   8#define __NEC_VR41XX_GIU_H
   9
  10/*
  11 * NEC VR4100 series GIU platform device IDs.
  12 */
  13enum {
  14        GPIO_50PINS_PULLUPDOWN,
  15        GPIO_36PINS,
  16        GPIO_48PINS_EDGE_SELECT,
  17};
  18
  19typedef enum {
  20        IRQ_TRIGGER_LEVEL,
  21        IRQ_TRIGGER_EDGE,
  22        IRQ_TRIGGER_EDGE_FALLING,
  23        IRQ_TRIGGER_EDGE_RISING,
  24} irq_trigger_t;
  25
  26typedef enum {
  27        IRQ_SIGNAL_THROUGH,
  28        IRQ_SIGNAL_HOLD,
  29} irq_signal_t;
  30
  31extern void vr41xx_set_irq_trigger(unsigned int pin, irq_trigger_t trigger,
  32                                   irq_signal_t signal);
  33
  34typedef enum {
  35        IRQ_LEVEL_LOW,
  36        IRQ_LEVEL_HIGH,
  37} irq_level_t;
  38
  39extern void vr41xx_set_irq_level(unsigned int pin, irq_level_t level);
  40
  41#endif /* __NEC_VR41XX_GIU_H */
  42