31 lines
724 B
C
31 lines
724 B
C
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#ifndef __INCLUDE_GPIO_H__
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#define __INCLUDE_GPIO_H__
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struct gpio
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{
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int nr; /* GPIO number */
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int mode; /* GPIO mode (input=0/output=1) */
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void *data; /* data pointer (not used in the omap driver) */
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};
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#define GPIO_MODE_INPUT 0
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#define GPIO_MODE_OUTPUT 1
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struct gpio_driver
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{
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/* request access to a gpio */
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int (*claim) (char *owner, int nr, struct gpio ** gpio);
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/* Configure the GPIO for a certain purpose */
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int (*pin_mode) (struct gpio * gpio, int mode);
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/* Set the value for a GPIO */
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int (*set) (struct gpio * gpio, int value);
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/* Read the value of the GPIO */
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int (*read) (struct gpio * gpio, int *value);
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};
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int omap_gpio_init(struct gpio_driver *gpio_driver);
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#endif /* __INCLUDE_GPIO_H__ */
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