Release 4.7 include/linux/gpio.h

Directory: include/linux
#ifndef __LINUX_GPIO_H

#define __LINUX_GPIO_H

#include <linux/errno.h>

/* see Documentation/gpio/gpio-legacy.txt */

/* make these flag values available regardless of GPIO kconfig options */

#define GPIOF_DIR_OUT	(0 << 0)

#define GPIOF_DIR_IN	(1 << 0)


#define GPIOF_INIT_LOW	(0 << 1)

#define GPIOF_INIT_HIGH	(1 << 1)


#define GPIOF_IN		(GPIOF_DIR_IN)

#define GPIOF_OUT_INIT_LOW	(GPIOF_DIR_OUT | GPIOF_INIT_LOW)

#define GPIOF_OUT_INIT_HIGH	(GPIOF_DIR_OUT | GPIOF_INIT_HIGH)

/* Gpio pin is active-low */

#define GPIOF_ACTIVE_LOW        (1 << 2)

/* Gpio pin is open drain */

#define GPIOF_OPEN_DRAIN	(1 << 3)

/* Gpio pin is open source */

#define GPIOF_OPEN_SOURCE	(1 << 4)


#define GPIOF_EXPORT		(1 << 5)

#define GPIOF_EXPORT_CHANGEABLE	(1 << 6)

#define GPIOF_EXPORT_DIR_FIXED	(GPIOF_EXPORT)

#define GPIOF_EXPORT_DIR_CHANGEABLE (GPIOF_EXPORT | GPIOF_EXPORT_CHANGEABLE)

/**
 * struct gpio - a structure describing a GPIO with configuration
 * @gpio:       the GPIO number
 * @flags:      GPIO configuration as specified by GPIOF_*
 * @label:      a literal description string of this GPIO
 */

struct gpio {
	
unsigned	gpio;
	
unsigned long	flags;
	
const char	*label;
};

#ifdef CONFIG_GPIOLIB

#ifdef CONFIG_ARCH_HAVE_CUSTOM_GPIO_H
#include <asm/gpio.h>
#else

#include <asm-generic/gpio.h>



static inline int gpio_get_value(unsigned int gpio)
{
	return __gpio_get_value(gpio);
}

Contributors
Person Tokens Prop Commits CommitProp
mark brown mark brown 17 100.00% 1 100.00%
Total 17 100.00% 1 100.00%



static inline void gpio_set_value(unsigned int gpio, int value)
{
	__gpio_set_value(gpio, value);
}

Contributors
Person Tokens Prop Commits CommitProp
mark brown mark brown 21 100.00% 1 100.00%
Total 21 100.00% 1 100.00%



static inline int gpio_cansleep(unsigned int gpio)
{
	return __gpio_cansleep(gpio);
}

Contributors
Person Tokens Prop Commits CommitProp
mark brown mark brown 17 100.00% 1 100.00%
Total 17 100.00% 1 100.00%



static inline int gpio_to_irq(unsigned int gpio)
{
	return __gpio_to_irq(gpio);
}

Contributors
Person Tokens Prop Commits CommitProp
mark brown mark brown 17 100.00% 1 100.00%
Total 17 100.00% 1 100.00%



static inline int irq_to_gpio(unsigned int irq)
{
	return -EINVAL;
}

Contributors
Person Tokens Prop Commits CommitProp
mark brown mark brown 15 100.00% 1 100.00%
Total 15 100.00% 1 100.00%

#endif /* ! CONFIG_ARCH_HAVE_CUSTOM_GPIO_H */

/* CONFIG_GPIOLIB: bindings for managed devices that want to request gpios */

struct device;

int devm_gpio_request(struct device *dev, unsigned gpio, const char *label);
int devm_gpio_request_one(struct device *dev, unsigned gpio,
			  unsigned long flags, const char *label);
void devm_gpio_free(struct device *dev, unsigned int gpio);

#else /* ! CONFIG_GPIOLIB */

#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/bug.h>
#include <linux/pinctrl/pinctrl.h>

struct device;
struct gpio_chip;



static inline bool gpio_is_valid(int number)
{
	return false;
}

Contributors
Person Tokens Prop Commits CommitProp
david brownell david brownell 11 84.62% 1 50.00%
joe perches joe perches 2 15.38% 1 50.00%
Total 13 100.00% 2 100.00%



static inline int gpio_request(unsigned gpio, const char *label)
{
	return -ENOSYS;
}

Contributors
Person Tokens Prop Commits CommitProp
david brownell david brownell 19 100.00% 1 100.00%
Total 19 100.00% 1 100.00%



static inline int gpio_request_one(unsigned gpio,
					unsigned long flags, const char *label)
{
	return -ENOSYS;
}

Contributors
Person Tokens Prop Commits CommitProp
wolfram sang wolfram sang 23 100.00% 1 100.00%
Total 23 100.00% 1 100.00%



static inline int gpio_request_array(const struct gpio *array, size_t num)
{
	return -ENOSYS;
}

Contributors
Person Tokens Prop Commits CommitProp
wolfram sang wolfram sang 19 95.00% 1 50.00%
lars-peter clausen lars-peter clausen 1 5.00% 1 50.00%
Total 20 100.00% 2 100.00%



static inline void gpio_free(unsigned gpio)
{
	might_sleep();

	/* GPIO can never have been requested */
	WARN_ON(1);
}

Contributors
Person Tokens Prop Commits CommitProp
david brownell david brownell 16 84.21% 1 50.00%
uwe kleine-koenig uwe kleine-koenig 3 15.79% 1 50.00%
Total 19 100.00% 2 100.00%



static inline void gpio_free_array(const struct gpio *array, size_t num)
{
	might_sleep();

	/* GPIO can never have been requested */
	WARN_ON(1);
}

Contributors
Person Tokens Prop Commits CommitProp
wolfram sang wolfram sang 24 96.00% 1 50.00%
lars-peter clausen lars-peter clausen 1 4.00% 1 50.00%
Total 25 100.00% 2 100.00%



static inline int gpio_direction_input(unsigned gpio)
{
	return -ENOSYS;
}

Contributors
Person Tokens Prop Commits CommitProp
david brownell david brownell 14 100.00% 1 100.00%
Total 14 100.00% 1 100.00%



static inline int gpio_direction_output(unsigned gpio, int value)
{
	return -ENOSYS;
}

Contributors
Person Tokens Prop Commits CommitProp
david brownell david brownell 17 100.00% 1 100.00%
Total 17 100.00% 1 100.00%



static inline int gpio_set_debounce(unsigned gpio, unsigned debounce)
{
	return -ENOSYS;
}

Contributors
Person Tokens Prop Commits CommitProp
felipe balbi felipe balbi 17 100.00% 1 100.00%
Total 17 100.00% 1 100.00%



static inline int gpio_get_value(unsigned gpio)
{
	/* GPIO can never have been requested or set as {in,out}put */
	WARN_ON(1);
	return 0;
}

Contributors
Person Tokens Prop Commits CommitProp
david brownell david brownell 19 100.00% 1 100.00%
Total 19 100.00% 1 100.00%



static inline void gpio_set_value(unsigned gpio, int value)
{
	/* GPIO can never have been requested or set as output */
	WARN_ON(1);
}

Contributors
Person Tokens Prop Commits CommitProp
david brownell david brownell 19 100.00% 1 100.00%
Total 19 100.00% 1 100.00%



static inline int gpio_cansleep(unsigned gpio)
{
	/* GPIO can never have been requested or set as {in,out}put */
	WARN_ON(1);
	return 0;
}

Contributors
Person Tokens Prop Commits CommitProp
david brownell david brownell 19 100.00% 1 100.00%
Total 19 100.00% 1 100.00%



static inline int gpio_get_value_cansleep(unsigned gpio)
{
	/* GPIO can never have been requested or set as {in,out}put */
	WARN_ON(1);
	return 0;
}

Contributors
Person Tokens Prop Commits CommitProp
david brownell david brownell 19 100.00% 1 100.00%
Total 19 100.00% 1 100.00%



static inline void gpio_set_value_cansleep(unsigned gpio, int value)
{
	/* GPIO can never have been requested or set as output */
	WARN_ON(1);
}

Contributors
Person Tokens Prop Commits CommitProp
david brownell david brownell 19 100.00% 1 100.00%
Total 19 100.00% 1 100.00%



static inline int gpio_export(unsigned gpio, bool direction_may_change)
{
	/* GPIO can never have been requested or set as {in,out}put */
	WARN_ON(1);
	return -EINVAL;
}

Contributors
Person Tokens Prop Commits CommitProp
david brownell david brownell 23 100.00% 1 100.00%
Total 23 100.00% 1 100.00%



static inline int gpio_export_link(struct device *dev, const char *name,
				unsigned gpio)
{
	/* GPIO can never have been exported */
	WARN_ON(1);
	return -EINVAL;
}

Contributors
Person Tokens Prop Commits CommitProp
jani nikula jani nikula 30 100.00% 1 100.00%
Total 30 100.00% 1 100.00%



static inline void gpio_unexport(unsigned gpio)
{
	/* GPIO can never have been exported */
	WARN_ON(1);
}

Contributors
Person Tokens Prop Commits CommitProp
david brownell david brownell 16 100.00% 1 100.00%
Total 16 100.00% 1 100.00%



static inline int gpio_to_irq(unsigned gpio)
{
	/* GPIO can never have been requested or set as input */
	WARN_ON(1);
	return -EINVAL;
}

Contributors
Person Tokens Prop Commits CommitProp
david brownell david brownell 20 100.00% 1 100.00%
Total 20 100.00% 1 100.00%



static inline int gpiochip_lock_as_irq(struct gpio_chip *chip,
				       unsigned int offset)
{
	WARN_ON(1);
	return -EINVAL;
}

Contributors
Person Tokens Prop Commits CommitProp
linus walleij linus walleij 24 96.00% 1 50.00%
alexandre courbot alexandre courbot 1 4.00% 1 50.00%
Total 25 100.00% 2 100.00%



static inline void gpiochip_unlock_as_irq(struct gpio_chip *chip,
					  unsigned int offset)
{
	WARN_ON(1);
}

Contributors
Person Tokens Prop Commits CommitProp
linus walleij linus walleij 20 95.24% 1 50.00%
alexandre courbot alexandre courbot 1 4.76% 1 50.00%
Total 21 100.00% 2 100.00%



static inline int irq_to_gpio(unsigned irq)
{
	/* irq can never have been returned from gpio_to_irq() */
	WARN_ON(1);
	return -EINVAL;
}

Contributors
Person Tokens Prop Commits CommitProp
david brownell david brownell 20 100.00% 1 100.00%
Total 20 100.00% 1 100.00%


static inline int

gpiochip_add_pin_range(struct gpio_chip *chip, const char *pinctl_name,
		       unsigned int gpio_offset, unsigned int pin_offset,
		       unsigned int npins)
{
	WARN_ON(1);
	return -EINVAL;
}

Contributors
Person Tokens Prop Commits CommitProp
linus walleij linus walleij 19 50.00% 5 83.33%
shiraz hashim shiraz hashim 19 50.00% 1 16.67%
Total 38 100.00% 6 100.00%


static inline int

gpiochip_add_pingroup_range(struct gpio_chip *chip,
			struct pinctrl_dev *pctldev,
			unsigned int gpio_offset, const char *pin_group)
{
	WARN_ON(1);
	return -EINVAL;
}

Contributors
Person Tokens Prop Commits CommitProp
christian ruppert christian ruppert 33 94.29% 1 50.00%
linus walleij linus walleij 2 5.71% 1 50.00%
Total 35 100.00% 2 100.00%


static inline void

gpiochip_remove_pin_ranges(struct gpio_chip *chip)
{
	WARN_ON(1);
}

Contributors
Person Tokens Prop Commits CommitProp
shiraz hashim shiraz hashim 8 47.06% 1 33.33%
linus walleij linus walleij 7 41.18% 1 33.33%
christian ruppert christian ruppert 2 11.76% 1 33.33%
Total 17 100.00% 3 100.00%



static inline int devm_gpio_request(struct device *dev, unsigned gpio,
				    const char *label)
{
	WARN_ON(1);
	return -EINVAL;
}

Contributors
Person Tokens Prop Commits CommitProp
shawn guo shawn guo 16 55.17% 1 50.00%
linus walleij linus walleij 13 44.83% 1 50.00%
Total 29 100.00% 2 100.00%



static inline int devm_gpio_request_one(struct device *dev, unsigned gpio,
					unsigned long flags, const char *label)
{
	WARN_ON(1);
	return -EINVAL;
}

Contributors
Person Tokens Prop Commits CommitProp
shawn guo shawn guo 20 60.61% 1 50.00%
linus walleij linus walleij 13 39.39% 1 50.00%
Total 33 100.00% 2 100.00%



static inline void devm_gpio_free(struct device *dev, unsigned int gpio)
{
	WARN_ON(1);
}

Contributors
Person Tokens Prop Commits CommitProp
shawn guo shawn guo 12 57.14% 1 50.00%
linus walleij linus walleij 9 42.86% 1 50.00%
Total 21 100.00% 2 100.00%

#endif /* ! CONFIG_GPIOLIB */

#endif /* __LINUX_GPIO_H */
Overall Contributors
Person Tokens Prop Commits CommitProp
david brownell david brownell 272 31.48% 3 9.68%
linus walleij linus walleij 166 19.21% 7 22.58%
mark brown mark brown 118 13.66% 2 6.45%
wolfram sang wolfram sang 80 9.26% 2 6.45%
shawn guo shawn guo 48 5.56% 1 3.23%
christian ruppert christian ruppert 38 4.40% 1 3.23%
jani nikula jani nikula 33 3.82% 1 3.23%
randy dunlap randy dunlap 29 3.36% 1 3.23%
shiraz hashim shiraz hashim 27 3.12% 1 3.23%
felipe balbi felipe balbi 17 1.97% 1 3.23%
alexandre courbot alexandre courbot 13 1.50% 3 9.68%
laxman dewangan laxman dewangan 8 0.93% 2 6.45%
uwe kleine-koenig uwe kleine-koenig 6 0.69% 1 3.23%
anton vorontsov anton vorontsov 3 0.35% 1 3.23%
joe perches joe perches 2 0.23% 1 3.23%
lars-peter clausen lars-peter clausen 2 0.23% 1 3.23%
paul gortmaker paul gortmaker 1 0.12% 1 3.23%
richard genoud richard genoud 1 0.12% 1 3.23%
Total 864 100.00% 31 100.00%
  Directory: include/linux

Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.
	Person	Tokens	Prop	Commits	CommitProp
mark brown	mark brown	17	100.00%	1	100.00%
	Total	17	100.00%	1	100.00%
cregit-Linux how code gets into the kernel

Release 4.7 include/linux/gpio.h

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Contributors

Overall Contributors
