70 строки
1.3 KiB
C
70 строки
1.3 KiB
C
#ifndef _AU1XXX_GPIO_H_
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#define _AU1XXX_GPIO_H_
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#include <linux/types.h>
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#define AU1XXX_GPIO_BASE 200
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struct au1x00_gpio2 {
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u32 dir;
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u32 reserved;
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u32 output;
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u32 pinstate;
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u32 inten;
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u32 enable;
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};
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extern int au1xxx_gpio_get_value(unsigned gpio);
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extern void au1xxx_gpio_set_value(unsigned gpio, int value);
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extern int au1xxx_gpio_direction_input(unsigned gpio);
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extern int au1xxx_gpio_direction_output(unsigned gpio, int value);
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/* Wrappers for the arch-neutral GPIO API */
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static inline int gpio_request(unsigned gpio, const char *label)
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{
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/* Not yet implemented */
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return 0;
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}
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static inline void gpio_free(unsigned gpio)
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{
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/* Not yet implemented */
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}
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static inline int gpio_direction_input(unsigned gpio)
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{
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return au1xxx_gpio_direction_input(gpio);
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}
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static inline int gpio_direction_output(unsigned gpio, int value)
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{
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return au1xxx_gpio_direction_output(gpio, value);
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}
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static inline int gpio_get_value(unsigned gpio)
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{
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return au1xxx_gpio_get_value(gpio);
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}
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static inline void gpio_set_value(unsigned gpio, int value)
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{
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au1xxx_gpio_set_value(gpio, value);
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}
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static inline int gpio_to_irq(unsigned gpio)
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{
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return gpio;
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}
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static inline int irq_to_gpio(unsigned irq)
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{
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return irq;
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}
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/* For cansleep */
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#include <asm-generic/gpio.h>
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#endif /* _AU1XXX_GPIO_H_ */
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