1 /*
2 * include/asm-arm/arch-at91/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 <asm/irq.h>
17
18 #define PIN_BASE NR_AIC_IRQS
19
20 #define MAX_GPIO_BANKS 5
21
22 /* these pin numbers double as IRQ numbers, like AT91xxx_ID_* values */
23
24 #define AT91_PIN_PA0 (PIN_BASE + 0x00 + 0)
25 #define AT91_PIN_PA1 (PIN_BASE + 0x00 + 1)
26 #define AT91_PIN_PA2 (PIN_BASE + 0x00 + 2)
27 #define AT91_PIN_PA3 (PIN_BASE + 0x00 + 3)
28 #define AT91_PIN_PA4 (PIN_BASE + 0x00 + 4)
29 #define AT91_PIN_PA5 (PIN_BASE + 0x00 + 5)
30 #define AT91_PIN_PA6 (PIN_BASE + 0x00 + 6)
31 #define AT91_PIN_PA7 (PIN_BASE + 0x00 + 7)
32 #define AT91_PIN_PA8 (PIN_BASE + 0x00 + 8)
33 #define AT91_PIN_PA9 (PIN_BASE + 0x00 + 9)
34 #define AT91_PIN_PA10 (PIN_BASE + 0x00 + 10)
35 #define AT91_PIN_PA11 (PIN_BASE + 0x00 + 11)
36 #define AT91_PIN_PA12 (PIN_BASE + 0x00 + 12)
37 #define AT91_PIN_PA13 (PIN_BASE + 0x00 + 13)
38 #define AT91_PIN_PA14 (PIN_BASE + 0x00 + 14)
39 #define AT91_PIN_PA15 (PIN_BASE + 0x00 + 15)
40 #define AT91_PIN_PA16 (PIN_BASE + 0x00 + 16)
41 #define AT91_PIN_PA17 (PIN_BASE + 0x00 + 17)
42 #define AT91_PIN_PA18 (PIN_BASE + 0x00 + 18)
43 #define AT91_PIN_PA19 (PIN_BASE + 0x00 + 19)
44 #define AT91_PIN_PA20 (PIN_BASE + 0x00 + 20)
45 #define AT91_PIN_PA21 (PIN_BASE + 0x00 + 21)
46 #define AT91_PIN_PA22 (PIN_BASE + 0x00 + 22)
47 #define AT91_PIN_PA23 (PIN_BASE + 0x00 + 23)
48 #define AT91_PIN_PA24 (PIN_BASE + 0x00 + 24)
49 #define AT91_PIN_PA25 (PIN_BASE + 0x00 + 25)
50 #define AT91_PIN_PA26 (PIN_BASE + 0x00 + 26)
51 #define AT91_PIN_PA27 (PIN_BASE + 0x00 + 27)
52 #define AT91_PIN_PA28 (PIN_BASE + 0x00 + 28)
53 #define AT91_PIN_PA29 (PIN_BASE + 0x00 + 29)
54 #define AT91_PIN_PA30 (PIN_BASE + 0x00 + 30)
55 #define AT91_PIN_PA31 (PIN_BASE + 0x00 + 31)
56
57 #define AT91_PIN_PB0 (PIN_BASE + 0x20 + 0)
58 #define AT91_PIN_PB1 (PIN_BASE + 0x20 + 1)
59 #define AT91_PIN_PB2 (PIN_BASE + 0x20 + 2)
60 #define AT91_PIN_PB3 (PIN_BASE + 0x20 + 3)
61 #define AT91_PIN_PB4 (PIN_BASE + 0x20 + 4)
62 #define AT91_PIN_PB5 (PIN_BASE + 0x20 + 5)
63 #define AT91_PIN_PB6 (PIN_BASE + 0x20 + 6)
64 #define AT91_PIN_PB7 (PIN_BASE + 0x20 + 7)
65 #define AT91_PIN_PB8 (PIN_BASE + 0x20 + 8)
66 #define AT91_PIN_PB9 (PIN_BASE + 0x20 + 9)
67 #define AT91_PIN_PB10 (PIN_BASE + 0x20 + 10)
68 #define AT91_PIN_PB11 (PIN_BASE + 0x20 + 11)
69 #define AT91_PIN_PB12 (PIN_BASE + 0x20 + 12)
70 #define AT91_PIN_PB13 (PIN_BASE + 0x20 + 13)
71 #define AT91_PIN_PB14 (PIN_BASE + 0x20 + 14)
72 #define AT91_PIN_PB15 (PIN_BASE + 0x20 + 15)
73 #define AT91_PIN_PB16 (PIN_BASE + 0x20 + 16)
74 #define AT91_PIN_PB17 (PIN_BASE + 0x20 + 17)
75 #define AT91_PIN_PB18 (PIN_BASE + 0x20 + 18)
76 #define AT91_PIN_PB19 (PIN_BASE + 0x20 + 19)
77 #define AT91_PIN_PB20 (PIN_BASE + 0x20 + 20)
78 #define AT91_PIN_PB21 (PIN_BASE + 0x20 + 21)
79 #define AT91_PIN_PB22 (PIN_BASE + 0x20 + 22)
80 #define AT91_PIN_PB23 (PIN_BASE + 0x20 + 23)
81 #define AT91_PIN_PB24 (PIN_BASE + 0x20 + 24)
82 #define AT91_PIN_PB25 (PIN_BASE + 0x20 + 25)
83 #define AT91_PIN_PB26 (PIN_BASE + 0x20 + 26)
84 #define AT91_PIN_PB27 (PIN_BASE + 0x20 + 27)
85 #define AT91_PIN_PB28 (PIN_BASE + 0x20 + 28)
86 #define AT91_PIN_PB29 (PIN_BASE + 0x20 + 29)
87 #define AT91_PIN_PB30 (PIN_BASE + 0x20 + 30)
88 #define AT91_PIN_PB31 (PIN_BASE + 0x20 + 31)
89
90 #define AT91_PIN_PC0 (PIN_BASE + 0x40 + 0)
91 #define AT91_PIN_PC1 (PIN_BASE + 0x40 + 1)
92 #define AT91_PIN_PC2 (PIN_BASE + 0x40 + 2)
93 #define AT91_PIN_PC3 (PIN_BASE + 0x40 + 3)
94 #define AT91_PIN_PC4 (PIN_BASE + 0x40 + 4)
95 #define AT91_PIN_PC5 (PIN_BASE + 0x40 + 5)
96 #define AT91_PIN_PC6 (PIN_BASE + 0x40 + 6)
97 #define AT91_PIN_PC7 (PIN_BASE + 0x40 + 7)
98 #define AT91_PIN_PC8 (PIN_BASE + 0x40 + 8)
99 #define AT91_PIN_PC9 (PIN_BASE + 0x40 + 9)
100 #define AT91_PIN_PC10 (PIN_BASE + 0x40 + 10)
101 #define AT91_PIN_PC11 (PIN_BASE + 0x40 + 11)
102 #define AT91_PIN_PC12 (PIN_BASE + 0x40 + 12)
103 #define AT91_PIN_PC13 (PIN_BASE + 0x40 + 13)
104 #define AT91_PIN_PC14 (PIN_BASE + 0x40 + 14)
105 #define AT91_PIN_PC15 (PIN_BASE + 0x40 + 15)
106 #define AT91_PIN_PC16 (PIN_BASE + 0x40 + 16)
107 #define AT91_PIN_PC17 (PIN_BASE + 0x40 + 17)
108 #define AT91_PIN_PC18 (PIN_BASE + 0x40 + 18)
109 #define AT91_PIN_PC19 (PIN_BASE + 0x40 + 19)
110 #define AT91_PIN_PC20 (PIN_BASE + 0x40 + 20)
111 #define AT91_PIN_PC21 (PIN_BASE + 0x40 + 21)
112 #define AT91_PIN_PC22 (PIN_BASE + 0x40 + 22)
113 #define AT91_PIN_PC23 (PIN_BASE + 0x40 + 23)
114 #define AT91_PIN_PC24 (PIN_BASE + 0x40 + 24)
115 #define AT91_PIN_PC25 (PIN_BASE + 0x40 + 25)
116 #define AT91_PIN_PC26 (PIN_BASE + 0x40 + 26)
117 #define AT91_PIN_PC27 (PIN_BASE + 0x40 + 27)
118 #define AT91_PIN_PC28 (PIN_BASE + 0x40 + 28)
119 #define AT91_PIN_PC29 (PIN_BASE + 0x40 + 29)
120 #define AT91_PIN_PC30 (PIN_BASE + 0x40 + 30)
121 #define AT91_PIN_PC31 (PIN_BASE + 0x40 + 31)
122
123 #define AT91_PIN_PD0 (PIN_BASE + 0x60 + 0)
124 #define AT91_PIN_PD1 (PIN_BASE + 0x60 + 1)
125 #define AT91_PIN_PD2 (PIN_BASE + 0x60 + 2)
126 #define AT91_PIN_PD3 (PIN_BASE + 0x60 + 3)
127 #define AT91_PIN_PD4 (PIN_BASE + 0x60 + 4)
128 #define AT91_PIN_PD5 (PIN_BASE + 0x60 + 5)
129 #define AT91_PIN_PD6 (PIN_BASE + 0x60 + 6)
130 #define AT91_PIN_PD7 (PIN_BASE + 0x60 + 7)
131 #define AT91_PIN_PD8 (PIN_BASE + 0x60 + 8)
132 #define AT91_PIN_PD9 (PIN_BASE + 0x60 + 9)
133 #define AT91_PIN_PD10 (PIN_BASE + 0x60 + 10)
134 #define AT91_PIN_PD11 (PIN_BASE + 0x60 + 11)
135 #define AT91_PIN_PD12 (PIN_BASE + 0x60 + 12)
136 #define AT91_PIN_PD13 (PIN_BASE + 0x60 + 13)
137 #define AT91_PIN_PD14 (PIN_BASE + 0x60 + 14)
138 #define AT91_PIN_PD15 (PIN_BASE + 0x60 + 15)
139 #define AT91_PIN_PD16 (PIN_BASE + 0x60 + 16)
140 #define AT91_PIN_PD17 (PIN_BASE + 0x60 + 17)
141 #define AT91_PIN_PD18 (PIN_BASE + 0x60 + 18)
142 #define AT91_PIN_PD19 (PIN_BASE + 0x60 + 19)
143 #define AT91_PIN_PD20 (PIN_BASE + 0x60 + 20)
144 #define AT91_PIN_PD21 (PIN_BASE + 0x60 + 21)
145 #define AT91_PIN_PD22 (PIN_BASE + 0x60 + 22)
146 #define AT91_PIN_PD23 (PIN_BASE + 0x60 + 23)
147 #define AT91_PIN_PD24 (PIN_BASE + 0x60 + 24)
148 #define AT91_PIN_PD25 (PIN_BASE + 0x60 + 25)
149 #define AT91_PIN_PD26 (PIN_BASE + 0x60 + 26)
150 #define AT91_PIN_PD27 (PIN_BASE + 0x60 + 27)
151 #define AT91_PIN_PD28 (PIN_BASE + 0x60 + 28)
152 #define AT91_PIN_PD29 (PIN_BASE + 0x60 + 29)
153 #define AT91_PIN_PD30 (PIN_BASE + 0x60 + 30)
154 #define AT91_PIN_PD31 (PIN_BASE + 0x60 + 31)
155
156 #define AT91_PIN_PE0 (PIN_BASE + 0x80 + 0)
157 #define AT91_PIN_PE1 (PIN_BASE + 0x80 + 1)
158 #define AT91_PIN_PE2 (PIN_BASE + 0x80 + 2)
159 #define AT91_PIN_PE3 (PIN_BASE + 0x80 + 3)
160 #define AT91_PIN_PE4 (PIN_BASE + 0x80 + 4)
161 #define AT91_PIN_PE5 (PIN_BASE + 0x80 + 5)
162 #define AT91_PIN_PE6 (PIN_BASE + 0x80 + 6)
163 #define AT91_PIN_PE7 (PIN_BASE + 0x80 + 7)
164 #define AT91_PIN_PE8 (PIN_BASE + 0x80 + 8)
165 #define AT91_PIN_PE9 (PIN_BASE + 0x80 + 9)
166 #define AT91_PIN_PE10 (PIN_BASE + 0x80 + 10)
167 #define AT91_PIN_PE11 (PIN_BASE + 0x80 + 11)
168 #define AT91_PIN_PE12 (PIN_BASE + 0x80 + 12)
169 #define AT91_PIN_PE13 (PIN_BASE + 0x80 + 13)
170 #define AT91_PIN_PE14 (PIN_BASE + 0x80 + 14)
171 #define AT91_PIN_PE15 (PIN_BASE + 0x80 + 15)
172 #define AT91_PIN_PE16 (PIN_BASE + 0x80 + 16)
173 #define AT91_PIN_PE17 (PIN_BASE + 0x80 + 17)
174 #define AT91_PIN_PE18 (PIN_BASE + 0x80 + 18)
175 #define AT91_PIN_PE19 (PIN_BASE + 0x80 + 19)
176 #define AT91_PIN_PE20 (PIN_BASE + 0x80 + 20)
177 #define AT91_PIN_PE21 (PIN_BASE + 0x80 + 21)
178 #define AT91_PIN_PE22 (PIN_BASE + 0x80 + 22)
179 #define AT91_PIN_PE23 (PIN_BASE + 0x80 + 23)
180 #define AT91_PIN_PE24 (PIN_BASE + 0x80 + 24)
181 #define AT91_PIN_PE25 (PIN_BASE + 0x80 + 25)
182 #define AT91_PIN_PE26 (PIN_BASE + 0x80 + 26)
183 #define AT91_PIN_PE27 (PIN_BASE + 0x80 + 27)
184 #define AT91_PIN_PE28 (PIN_BASE + 0x80 + 28)
185 #define AT91_PIN_PE29 (PIN_BASE + 0x80 + 29)
186 #define AT91_PIN_PE30 (PIN_BASE + 0x80 + 30)
187 #define AT91_PIN_PE31 (PIN_BASE + 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_gpio_input(unsigned pin, int use_pullup);
195 extern int __init_or_module at91_set_gpio_output(unsigned pin, int value);
196 extern int __init_or_module at91_set_deglitch(unsigned pin, int is_on);
197 extern int __init_or_module at91_set_multi_drive(unsigned pin, int is_on);
198
199 /* callable at any time */
200 extern int at91_set_gpio_value(unsigned pin, int value);
201 extern int at91_get_gpio_value(unsigned pin);
202
203 /* callable only from core power-management code */
204 extern void at91_gpio_suspend(void);
205 extern void at91_gpio_resume(void);
206
207 /*-------------------------------------------------------------------------*/
208
209 /* wrappers for "new style" GPIO calls. the old AT91-specfic ones should
210 * eventually be removed (along with this errno.h inclusion), and the
211 * gpio request/free calls should probably be implemented.
212 */
213
214 #include <asm/errno.h>
215
216 static inline int gpio_request(unsigned gpio, const char *label)
217 {
218 return 0;
219 }
220
221 static inline void gpio_free(unsigned gpio)
222 {
223 }
224
225 extern int gpio_direction_input(unsigned gpio);
226 extern int gpio_direction_output(unsigned gpio, int value);
227
228 static inline int gpio_get_value(unsigned gpio)
229 {
230 return at91_get_gpio_value(gpio);
231 }
232
233 static inline void gpio_set_value(unsigned gpio, int value)
234 {
235 at91_set_gpio_value(gpio, value);
236 }
237
238 #include <asm-generic/gpio.h> /* cansleep wrappers */
239
240 static inline int gpio_to_irq(unsigned gpio)
241 {
242 return gpio;
243 }
244
245 static inline int irq_to_gpio(unsigned irq)
246 {
247 return irq;
248 }
249
250 #endif /* __ASSEMBLY__ */
251
252 #endif
253
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