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gpio.h
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1 /*
2  * arch/arm/mach-at91/include/mach/gpio.h
3  *
4  * Copyright (C) 2005 HP Labs
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  */
12 
13 #ifndef __ASM_ARCH_AT91RM9200_GPIO_H
14 #define __ASM_ARCH_AT91RM9200_GPIO_H
15 
16 #include <linux/kernel.h>
17 #include <asm/irq.h>
18 
19 #define MAX_GPIO_BANKS 5
20 #define NR_BUILTIN_GPIO (MAX_GPIO_BANKS * 32)
21 
22 /* these pin numbers double as IRQ numbers, like AT91xxx_ID_* values */
23 
24 #define AT91_PIN_PA0 (0x00 + 0)
25 #define AT91_PIN_PA1 (0x00 + 1)
26 #define AT91_PIN_PA2 (0x00 + 2)
27 #define AT91_PIN_PA3 (0x00 + 3)
28 #define AT91_PIN_PA4 (0x00 + 4)
29 #define AT91_PIN_PA5 (0x00 + 5)
30 #define AT91_PIN_PA6 (0x00 + 6)
31 #define AT91_PIN_PA7 (0x00 + 7)
32 #define AT91_PIN_PA8 (0x00 + 8)
33 #define AT91_PIN_PA9 (0x00 + 9)
34 #define AT91_PIN_PA10 (0x00 + 10)
35 #define AT91_PIN_PA11 (0x00 + 11)
36 #define AT91_PIN_PA12 (0x00 + 12)
37 #define AT91_PIN_PA13 (0x00 + 13)
38 #define AT91_PIN_PA14 (0x00 + 14)
39 #define AT91_PIN_PA15 (0x00 + 15)
40 #define AT91_PIN_PA16 (0x00 + 16)
41 #define AT91_PIN_PA17 (0x00 + 17)
42 #define AT91_PIN_PA18 (0x00 + 18)
43 #define AT91_PIN_PA19 (0x00 + 19)
44 #define AT91_PIN_PA20 (0x00 + 20)
45 #define AT91_PIN_PA21 (0x00 + 21)
46 #define AT91_PIN_PA22 (0x00 + 22)
47 #define AT91_PIN_PA23 (0x00 + 23)
48 #define AT91_PIN_PA24 (0x00 + 24)
49 #define AT91_PIN_PA25 (0x00 + 25)
50 #define AT91_PIN_PA26 (0x00 + 26)
51 #define AT91_PIN_PA27 (0x00 + 27)
52 #define AT91_PIN_PA28 (0x00 + 28)
53 #define AT91_PIN_PA29 (0x00 + 29)
54 #define AT91_PIN_PA30 (0x00 + 30)
55 #define AT91_PIN_PA31 (0x00 + 31)
56 
57 #define AT91_PIN_PB0 (0x20 + 0)
58 #define AT91_PIN_PB1 (0x20 + 1)
59 #define AT91_PIN_PB2 (0x20 + 2)
60 #define AT91_PIN_PB3 (0x20 + 3)
61 #define AT91_PIN_PB4 (0x20 + 4)
62 #define AT91_PIN_PB5 (0x20 + 5)
63 #define AT91_PIN_PB6 (0x20 + 6)
64 #define AT91_PIN_PB7 (0x20 + 7)
65 #define AT91_PIN_PB8 (0x20 + 8)
66 #define AT91_PIN_PB9 (0x20 + 9)
67 #define AT91_PIN_PB10 (0x20 + 10)
68 #define AT91_PIN_PB11 (0x20 + 11)
69 #define AT91_PIN_PB12 (0x20 + 12)
70 #define AT91_PIN_PB13 (0x20 + 13)
71 #define AT91_PIN_PB14 (0x20 + 14)
72 #define AT91_PIN_PB15 (0x20 + 15)
73 #define AT91_PIN_PB16 (0x20 + 16)
74 #define AT91_PIN_PB17 (0x20 + 17)
75 #define AT91_PIN_PB18 (0x20 + 18)
76 #define AT91_PIN_PB19 (0x20 + 19)
77 #define AT91_PIN_PB20 (0x20 + 20)
78 #define AT91_PIN_PB21 (0x20 + 21)
79 #define AT91_PIN_PB22 (0x20 + 22)
80 #define AT91_PIN_PB23 (0x20 + 23)
81 #define AT91_PIN_PB24 (0x20 + 24)
82 #define AT91_PIN_PB25 (0x20 + 25)
83 #define AT91_PIN_PB26 (0x20 + 26)
84 #define AT91_PIN_PB27 (0x20 + 27)
85 #define AT91_PIN_PB28 (0x20 + 28)
86 #define AT91_PIN_PB29 (0x20 + 29)
87 #define AT91_PIN_PB30 (0x20 + 30)
88 #define AT91_PIN_PB31 (0x20 + 31)
89 
90 #define AT91_PIN_PC0 (0x40 + 0)
91 #define AT91_PIN_PC1 (0x40 + 1)
92 #define AT91_PIN_PC2 (0x40 + 2)
93 #define AT91_PIN_PC3 (0x40 + 3)
94 #define AT91_PIN_PC4 (0x40 + 4)
95 #define AT91_PIN_PC5 (0x40 + 5)
96 #define AT91_PIN_PC6 (0x40 + 6)
97 #define AT91_PIN_PC7 (0x40 + 7)
98 #define AT91_PIN_PC8 (0x40 + 8)
99 #define AT91_PIN_PC9 (0x40 + 9)
100 #define AT91_PIN_PC10 (0x40 + 10)
101 #define AT91_PIN_PC11 (0x40 + 11)
102 #define AT91_PIN_PC12 (0x40 + 12)
103 #define AT91_PIN_PC13 (0x40 + 13)
104 #define AT91_PIN_PC14 (0x40 + 14)
105 #define AT91_PIN_PC15 (0x40 + 15)
106 #define AT91_PIN_PC16 (0x40 + 16)
107 #define AT91_PIN_PC17 (0x40 + 17)
108 #define AT91_PIN_PC18 (0x40 + 18)
109 #define AT91_PIN_PC19 (0x40 + 19)
110 #define AT91_PIN_PC20 (0x40 + 20)
111 #define AT91_PIN_PC21 (0x40 + 21)
112 #define AT91_PIN_PC22 (0x40 + 22)
113 #define AT91_PIN_PC23 (0x40 + 23)
114 #define AT91_PIN_PC24 (0x40 + 24)
115 #define AT91_PIN_PC25 (0x40 + 25)
116 #define AT91_PIN_PC26 (0x40 + 26)
117 #define AT91_PIN_PC27 (0x40 + 27)
118 #define AT91_PIN_PC28 (0x40 + 28)
119 #define AT91_PIN_PC29 (0x40 + 29)
120 #define AT91_PIN_PC30 (0x40 + 30)
121 #define AT91_PIN_PC31 (0x40 + 31)
122 
123 #define AT91_PIN_PD0 (0x60 + 0)
124 #define AT91_PIN_PD1 (0x60 + 1)
125 #define AT91_PIN_PD2 (0x60 + 2)
126 #define AT91_PIN_PD3 (0x60 + 3)
127 #define AT91_PIN_PD4 (0x60 + 4)
128 #define AT91_PIN_PD5 (0x60 + 5)
129 #define AT91_PIN_PD6 (0x60 + 6)
130 #define AT91_PIN_PD7 (0x60 + 7)
131 #define AT91_PIN_PD8 (0x60 + 8)
132 #define AT91_PIN_PD9 (0x60 + 9)
133 #define AT91_PIN_PD10 (0x60 + 10)
134 #define AT91_PIN_PD11 (0x60 + 11)
135 #define AT91_PIN_PD12 (0x60 + 12)
136 #define AT91_PIN_PD13 (0x60 + 13)
137 #define AT91_PIN_PD14 (0x60 + 14)
138 #define AT91_PIN_PD15 (0x60 + 15)
139 #define AT91_PIN_PD16 (0x60 + 16)
140 #define AT91_PIN_PD17 (0x60 + 17)
141 #define AT91_PIN_PD18 (0x60 + 18)
142 #define AT91_PIN_PD19 (0x60 + 19)
143 #define AT91_PIN_PD20 (0x60 + 20)
144 #define AT91_PIN_PD21 (0x60 + 21)
145 #define AT91_PIN_PD22 (0x60 + 22)
146 #define AT91_PIN_PD23 (0x60 + 23)
147 #define AT91_PIN_PD24 (0x60 + 24)
148 #define AT91_PIN_PD25 (0x60 + 25)
149 #define AT91_PIN_PD26 (0x60 + 26)
150 #define AT91_PIN_PD27 (0x60 + 27)
151 #define AT91_PIN_PD28 (0x60 + 28)
152 #define AT91_PIN_PD29 (0x60 + 29)
153 #define AT91_PIN_PD30 (0x60 + 30)
154 #define AT91_PIN_PD31 (0x60 + 31)
155 
156 #define AT91_PIN_PE0 (0x80 + 0)
157 #define AT91_PIN_PE1 (0x80 + 1)
158 #define AT91_PIN_PE2 (0x80 + 2)
159 #define AT91_PIN_PE3 (0x80 + 3)
160 #define AT91_PIN_PE4 (0x80 + 4)
161 #define AT91_PIN_PE5 (0x80 + 5)
162 #define AT91_PIN_PE6 (0x80 + 6)
163 #define AT91_PIN_PE7 (0x80 + 7)
164 #define AT91_PIN_PE8 (0x80 + 8)
165 #define AT91_PIN_PE9 (0x80 + 9)
166 #define AT91_PIN_PE10 (0x80 + 10)
167 #define AT91_PIN_PE11 (0x80 + 11)
168 #define AT91_PIN_PE12 (0x80 + 12)
169 #define AT91_PIN_PE13 (0x80 + 13)
170 #define AT91_PIN_PE14 (0x80 + 14)
171 #define AT91_PIN_PE15 (0x80 + 15)
172 #define AT91_PIN_PE16 (0x80 + 16)
173 #define AT91_PIN_PE17 (0x80 + 17)
174 #define AT91_PIN_PE18 (0x80 + 18)
175 #define AT91_PIN_PE19 (0x80 + 19)
176 #define AT91_PIN_PE20 (0x80 + 20)
177 #define AT91_PIN_PE21 (0x80 + 21)
178 #define AT91_PIN_PE22 (0x80 + 22)
179 #define AT91_PIN_PE23 (0x80 + 23)
180 #define AT91_PIN_PE24 (0x80 + 24)
181 #define AT91_PIN_PE25 (0x80 + 25)
182 #define AT91_PIN_PE26 (0x80 + 26)
183 #define AT91_PIN_PE27 (0x80 + 27)
184 #define AT91_PIN_PE28 (0x80 + 28)
185 #define AT91_PIN_PE29 (0x80 + 29)
186 #define AT91_PIN_PE30 (0x80 + 30)
187 #define AT91_PIN_PE31 (0x80 + 31)
188 
189 #ifndef __ASSEMBLY__
190 /* setup setup routines, called from board init or driver probe() */
191 extern int __init_or_module at91_set_GPIO_periph(unsigned pin, int use_pullup);
192 extern int __init_or_module at91_set_A_periph(unsigned pin, int use_pullup);
193 extern int __init_or_module at91_set_B_periph(unsigned pin, int use_pullup);
194 extern int __init_or_module at91_set_C_periph(unsigned pin, int use_pullup);
195 extern int __init_or_module at91_set_D_periph(unsigned pin, int use_pullup);
196 extern int __init_or_module at91_set_gpio_input(unsigned pin, int use_pullup);
197 extern int __init_or_module at91_set_gpio_output(unsigned pin, int value);
198 extern int __init_or_module at91_set_deglitch(unsigned pin, int is_on);
199 extern int __init_or_module at91_set_debounce(unsigned pin, int is_on, int div);
200 extern int __init_or_module at91_set_multi_drive(unsigned pin, int is_on);
201 extern int __init_or_module at91_set_pulldown(unsigned pin, int is_on);
202 extern int __init_or_module at91_disable_schmitt_trig(unsigned pin);
203 
204 /* callable at any time */
205 extern int at91_set_gpio_value(unsigned pin, int value);
206 extern int at91_get_gpio_value(unsigned pin);
207 
208 /* callable only from core power-management code */
209 extern void at91_gpio_suspend(void);
210 extern void at91_gpio_resume(void);
211 
212 #endif /* __ASSEMBLY__ */
213 
214 #endif