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  */
  13 enum {
  14         GPIO_50PINS_PULLUPDOWN,
  15         GPIO_36PINS,
  16         GPIO_48PINS_EDGE_SELECT,
  17 };
  18
  19 typedef enum {
  20         IRQ_TRIGGER_LEVEL,
  21         IRQ_TRIGGER_EDGE,
  22         IRQ_TRIGGER_EDGE_FALLING,
  23         IRQ_TRIGGER_EDGE_RISING,
  24 } irq_trigger_t;
  25
  26 typedef enum {
  27         IRQ_SIGNAL_THROUGH,
  28         IRQ_SIGNAL_HOLD,
  29 } irq_signal_t;
  30
  31 extern void vr41xx_set_irq_trigger(unsigned int pin, irq_trigger_t trigger,
  32                                    irq_signal_t signal);
  33
  34 typedef enum {
  35         IRQ_LEVEL_LOW,
  36         IRQ_LEVEL_HIGH,
  37 } irq_level_t;
  38
  39 extern void vr41xx_set_irq_level(unsigned int pin, irq_level_t level);
  40
  41 #endif /* __NEC_VR41XX_GIU_H */