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
215