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 */
42