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e400bae9 YY |
1 | /* |
2 | * Include file for NEC VR4100 series General-purpose I/O Unit. | |
3 | * | |
ada8e951 | 4 | * Copyright (C) 2005-2009 Yoichi Yuasa <yuasa@linux-mips.org> |
e400bae9 YY |
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 | ||
44173fb2 YY |
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 | ||
e400bae9 YY |
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 | ||
27fdd325 YY |
44 | extern void vr41xx_set_irq_trigger(unsigned int pin, irq_trigger_t trigger, |
45 | irq_signal_t signal); | |
e400bae9 YY |
46 | |
47 | typedef enum { | |
48 | IRQ_LEVEL_LOW, | |
49 | IRQ_LEVEL_HIGH, | |
50 | } irq_level_t; | |
51 | ||
52 | extern void vr41xx_set_irq_level(unsigned int pin, irq_level_t level); | |
53 | ||
e400bae9 YY |
54 | typedef enum { |
55 | GPIO_PULL_DOWN, | |
56 | GPIO_PULL_UP, | |
57 | GPIO_PULL_DISABLE, | |
58 | } gpio_pull_t; | |
59 | ||
60 | extern int vr41xx_gpio_pullupdown(unsigned int pin, gpio_pull_t pull); | |
61 | ||
62 | #endif /* __NEC_VR41XX_GIU_H */ |