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authorRussell King <rmk@dyn-67.arm.linux.org.uk>2008-08-07 04:55:16 -0400
committerRussell King <rmk+kernel@arm.linux.org.uk>2008-08-07 04:55:16 -0400
commita1b81a84fff05dbfef45b7012c26e1fee9973e5d (patch)
tree3d053e76542ad4d20bd83ad35c13eabff97003ab /arch/avr32/mach-at32ap/include/mach/gpio.h
parent4fb8af10d0fd09372d52966b76922b9e82bbc950 (diff)
parent3663b736a5083b3bce74520b637f630f01f66a7f (diff)
Merge branch 'header-move' of git://git.kernel.org/pub/scm/linux/kernel/git/hskinnemoen/avr32-2.6
Diffstat (limited to 'arch/avr32/mach-at32ap/include/mach/gpio.h')
-rw-r--r--arch/avr32/mach-at32ap/include/mach/gpio.h45
1 files changed, 45 insertions, 0 deletions
diff --git a/arch/avr32/mach-at32ap/include/mach/gpio.h b/arch/avr32/mach-at32ap/include/mach/gpio.h
new file mode 100644
index 000000000000..0180f584ef03
--- /dev/null
+++ b/arch/avr32/mach-at32ap/include/mach/gpio.h
@@ -0,0 +1,45 @@
1#ifndef __ASM_AVR32_ARCH_GPIO_H
2#define __ASM_AVR32_ARCH_GPIO_H
3
4#include <linux/compiler.h>
5#include <asm/irq.h>
6
7
8/* Some GPIO chips can manage IRQs; some can't. The exact numbers can
9 * be changed if needed, but for the moment they're not configurable.
10 */
11#define ARCH_NR_GPIOS (NR_GPIO_IRQS + 2 * 32)
12
13
14/* Arch-neutral GPIO API, supporting both "native" and external GPIOs. */
15#include <asm-generic/gpio.h>
16
17static inline int gpio_get_value(unsigned int gpio)
18{
19 return __gpio_get_value(gpio);
20}
21
22static inline void gpio_set_value(unsigned int gpio, int value)
23{
24 __gpio_set_value(gpio, value);
25}
26
27static inline int gpio_cansleep(unsigned int gpio)
28{
29 return __gpio_cansleep(gpio);
30}
31
32
33static inline int gpio_to_irq(unsigned int gpio)
34{
35 if (gpio < NR_GPIO_IRQS)
36 return gpio + GPIO_IRQ_BASE;
37 return -EINVAL;
38}
39
40static inline int irq_to_gpio(unsigned int irq)
41{
42 return irq - GPIO_IRQ_BASE;
43}
44
45#endif /* __ASM_AVR32_ARCH_GPIO_H */