Gitiles
Code Review Sign In
review.evervolv.com / android_kernel_htc_msm8960 / 2a8f7450f828eaee49d66f41f99ac2e54f1160a6 / . / include / asm-arm / arch-at91 / gpio.h
blob: 0a241e2fb672212b52293872dcb445e53c081be3 [file] [log] [blame]
SAN People73a59c12006-01-09 17:05:41 +0000[diff] [blame]1/*
Andrew Victor9d041262007-02-05 11:42:07 +0100[diff] [blame]2 * include/asm-arm/arch-at91/gpio.h
SAN People73a59c12006-01-09 17:05:41 +0000[diff] [blame]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
Andrew Victor907d6de2006-06-20 19:30:19 +0100[diff] [blame]16#include <asm/irq.h>
17
SAN People73a59c12006-01-09 17:05:41 +0000[diff] [blame]18#define PIN_BASE NR_AIC_IRQS
19
Andrew Victord0760b32007-02-08 09:00:39 +0100[diff] [blame]20#define MAX_GPIO_BANKS 5
SAN People73a59c12006-01-09 17:05:41 +0000[diff] [blame]21
Andrew Victor72729912006-09-27 09:44:11 +0100[diff] [blame]22/* these pin numbers double as IRQ numbers, like AT91xxx_ID_* values */
SAN People73a59c12006-01-09 17:05:41 +0000[diff] [blame]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)
SAN People73a59c12006-01-09 17:05:41 +0000[diff] [blame]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)
SAN People73a59c12006-01-09 17:05:41 +0000[diff] [blame]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)
SAN People73a59c12006-01-09 17:05:41 +0000[diff] [blame]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)
SAN People73a59c12006-01-09 17:05:41 +0000[diff] [blame]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)
SAN People73a59c12006-01-09 17:05:41 +0000[diff] [blame]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)
SAN People73a59c12006-01-09 17:05:41 +0000[diff] [blame]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)
SAN People73a59c12006-01-09 17:05:41 +0000[diff] [blame]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)
SAN People73a59c12006-01-09 17:05:41 +0000[diff] [blame]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)
SAN People73a59c12006-01-09 17:05:41 +0000[diff] [blame]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)
SAN People73a59c12006-01-09 17:05:41 +0000[diff] [blame]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)
SAN People73a59c12006-01-09 17:05:41 +0000[diff] [blame]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)
SAN People73a59c12006-01-09 17:05:41 +0000[diff] [blame]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)
SAN People73a59c12006-01-09 17:05:41 +0000[diff] [blame]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)
SAN People73a59c12006-01-09 17:05:41 +0000[diff] [blame]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)
SAN People73a59c12006-01-09 17:05:41 +0000[diff] [blame]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)
SAN People73a59c12006-01-09 17:05:41 +0000[diff] [blame]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)
SAN People73a59c12006-01-09 17:05:41 +0000[diff] [blame]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)
SAN People73a59c12006-01-09 17:05:41 +0000[diff] [blame]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)
SAN People73a59c12006-01-09 17:05:41 +0000[diff] [blame]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)
SAN People73a59c12006-01-09 17:05:41 +0000[diff] [blame]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)
SAN People73a59c12006-01-09 17:05:41 +0000[diff] [blame]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)
SAN People73a59c12006-01-09 17:05:41 +0000[diff] [blame]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)
SAN People73a59c12006-01-09 17:05:41 +0000[diff] [blame]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)
SAN People73a59c12006-01-09 17:05:41 +0000[diff] [blame]153#define AT91_PIN_PD30 (PIN_BASE + 0x60 + 30)
154#define AT91_PIN_PD31 (PIN_BASE + 0x60 + 31)
155
Andrew Victord0760b32007-02-08 09:00:39 +0100[diff] [blame]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
SAN People73a59c12006-01-09 17:05:41 +0000[diff] [blame]189#ifndef __ASSEMBLY__
190/* setup setup routines, called from board init or driver probe() */
David Brownella31c4ee2007-02-12 00:53:13 -0800[diff] [blame]191extern int __init_or_module at91_set_GPIO_periph(unsigned pin, int use_pullup);
Andrew Victorf2173832006-09-27 13:23:00 +0100[diff] [blame]192extern int __init_or_module at91_set_A_periph(unsigned pin, int use_pullup);
193extern int __init_or_module at91_set_B_periph(unsigned pin, int use_pullup);
194extern int __init_or_module at91_set_gpio_input(unsigned pin, int use_pullup);
195extern int __init_or_module at91_set_gpio_output(unsigned pin, int value);
196extern int __init_or_module at91_set_deglitch(unsigned pin, int is_on);
197extern int __init_or_module at91_set_multi_drive(unsigned pin, int is_on);
SAN People73a59c12006-01-09 17:05:41 +0000[diff] [blame]198
199/* callable at any time */
200extern int at91_set_gpio_value(unsigned pin, int value);
201extern int at91_get_gpio_value(unsigned pin);
Andrew Victor907d6de2006-06-20 19:30:19 +0100[diff] [blame]202
Andrew Victorf2173832006-09-27 13:23:00 +0100[diff] [blame]203/* callable only from core power-management code */
Andrew Victor907d6de2006-06-20 19:30:19 +0100[diff] [blame]204extern void at91_gpio_suspend(void);
205extern void at91_gpio_resume(void);
David Brownella31c4ee2007-02-12 00:53:13 -0800[diff] [blame]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
216static inline int gpio_request(unsigned gpio, const char *label)
217{
218 return 0;
219}
220
221static inline void gpio_free(unsigned gpio)
222{
223}
224
225extern int gpio_direction_input(unsigned gpio);
David Brownell28735a72007-03-16 13:38:14 -0800[diff] [blame]226extern int gpio_direction_output(unsigned gpio, int value);
David Brownella31c4ee2007-02-12 00:53:13 -0800[diff] [blame]227
228static inline int gpio_get_value(unsigned gpio)
229{
230 return at91_get_gpio_value(gpio);
231}
232
233static 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
240static inline int gpio_to_irq(unsigned gpio)
241{
242 return gpio;
243}
244
245static inline int irq_to_gpio(unsigned irq)
246{
247 return irq;
248}
249
250#endif /* __ASSEMBLY__ */
SAN People73a59c12006-01-09 17:05:41 +0000[diff] [blame]251
252#endif