gpio.h File Reference

#include <types.h>
#include <gpio.h>

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Typedefs
typedef u32	gpio_t

Functions
gpio_t	gpio_pin_count (void)
void	gpio_invert (gpio_t gpio, int value)
int	gpio_strap_value (gpio_t gpio)
void	gpio_init (void)

Typedef Documentation

gpio_t

typedef u32 gpio_t

Definition at line 8 of file gpio.h.

Function Documentation

gpio_init()

void gpio_init

(

void

)

Definition at line 165 of file gpio.c.

References BIOS_DEBUG, gpio_get_baseaddr(), gpio_pin_count(), and printk.

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gpio_invert()

void gpio_invert	(	gpio_t	gpio,
		int	value
	)

Definition at line 119 of file gpio.c.

References BIOS_SPEW, gpio_get_baseaddr(), gpio_pin_count(), printk, read64(), bit_cfg::s, bit_cfg::u, value, write64(), and bit_cfg::xor.

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gpio_pin_count()

gpio_t gpio_pin_count

(

void

)

Definition at line 53 of file gpio.c.

References gpio_get_baseaddr(), gpio_const::gpios, read64(), gpio_const::s, and gpio_const::u.

Referenced by gpio_get(), gpio_init(), gpio_input(), gpio_invert(), gpio_output(), gpio_set(), and gpio_strap_value().

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gpio_strap_value()

int gpio_strap_value

(

gpio_t

gpio

)

Definition at line 150 of file gpio.c.

References BIOS_SPEW, gpio_get_baseaddr(), gpio_pin_count(), printk, and read64().

Referenced by mainboard_print_info().

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