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Diffstat (limited to 'include/linux/gpio/consumer.h')
-rw-r--r--include/linux/gpio/consumer.h172
1 files changed, 75 insertions, 97 deletions
diff --git a/include/linux/gpio/consumer.h b/include/linux/gpio/consumer.h
index 45da8f137fe5..cafeb7a40ad1 100644
--- a/include/linux/gpio/consumer.h
+++ b/include/linux/gpio/consumer.h
@@ -3,13 +3,15 @@
#define __LINUX_GPIO_CONSUMER_H
#include <linux/bits.h>
-#include <linux/bug.h>
-#include <linux/compiler_types.h>
#include <linux/err.h>
+#include <linux/types.h>
+struct acpi_device;
struct device;
-struct gpio_desc;
+struct fwnode_handle;
+
struct gpio_array;
+struct gpio_desc;
/**
* struct gpio_descs - Struct containing an array of descriptors that can be
@@ -29,6 +31,7 @@ struct gpio_descs {
#define GPIOD_FLAGS_BIT_DIR_OUT BIT(1)
#define GPIOD_FLAGS_BIT_DIR_VAL BIT(2)
#define GPIOD_FLAGS_BIT_OPEN_DRAIN BIT(3)
+/* GPIOD_FLAGS_BIT_NONEXCLUSIVE is DEPRECATED, don't use in new code. */
#define GPIOD_FLAGS_BIT_NONEXCLUSIVE BIT(4)
/**
@@ -109,8 +112,6 @@ int gpiod_get_direction(struct gpio_desc *desc);
int gpiod_direction_input(struct gpio_desc *desc);
int gpiod_direction_output(struct gpio_desc *desc, int value);
int gpiod_direction_output_raw(struct gpio_desc *desc, int value);
-int gpiod_enable_hw_timestamp_ns(struct gpio_desc *desc, unsigned long flags);
-int gpiod_disable_hw_timestamp_ns(struct gpio_desc *desc, unsigned long flags);
/* Value get/set from non-sleeping context */
int gpiod_get_value(const struct gpio_desc *desc);
@@ -118,7 +119,7 @@ int gpiod_get_array_value(unsigned int array_size,
struct gpio_desc **desc_array,
struct gpio_array *array_info,
unsigned long *value_bitmap);
-void gpiod_set_value(struct gpio_desc *desc, int value);
+int gpiod_set_value(struct gpio_desc *desc, int value);
int gpiod_set_array_value(unsigned int array_size,
struct gpio_desc **desc_array,
struct gpio_array *array_info,
@@ -128,7 +129,7 @@ int gpiod_get_raw_array_value(unsigned int array_size,
struct gpio_desc **desc_array,
struct gpio_array *array_info,
unsigned long *value_bitmap);
-void gpiod_set_raw_value(struct gpio_desc *desc, int value);
+int gpiod_set_raw_value(struct gpio_desc *desc, int value);
int gpiod_set_raw_array_value(unsigned int array_size,
struct gpio_desc **desc_array,
struct gpio_array *array_info,
@@ -140,7 +141,7 @@ int gpiod_get_array_value_cansleep(unsigned int array_size,
struct gpio_desc **desc_array,
struct gpio_array *array_info,
unsigned long *value_bitmap);
-void gpiod_set_value_cansleep(struct gpio_desc *desc, int value);
+int gpiod_set_value_cansleep(struct gpio_desc *desc, int value);
int gpiod_set_array_value_cansleep(unsigned int array_size,
struct gpio_desc **desc_array,
struct gpio_array *array_info,
@@ -150,7 +151,7 @@ int gpiod_get_raw_array_value_cansleep(unsigned int array_size,
struct gpio_desc **desc_array,
struct gpio_array *array_info,
unsigned long *value_bitmap);
-void gpiod_set_raw_value_cansleep(struct gpio_desc *desc, int value);
+int gpiod_set_raw_value_cansleep(struct gpio_desc *desc, int value);
int gpiod_set_raw_array_value_cansleep(unsigned int array_size,
struct gpio_desc **desc_array,
struct gpio_array *array_info,
@@ -158,7 +159,6 @@ int gpiod_set_raw_array_value_cansleep(unsigned int array_size,
int gpiod_set_config(struct gpio_desc *desc, unsigned long config);
int gpiod_set_debounce(struct gpio_desc *desc, unsigned int debounce);
-int gpiod_set_transitory(struct gpio_desc *desc, bool transitory);
void gpiod_toggle_active_low(struct gpio_desc *desc);
int gpiod_is_active_low(const struct gpio_desc *desc);
@@ -167,12 +167,13 @@ int gpiod_cansleep(const struct gpio_desc *desc);
int gpiod_to_irq(const struct gpio_desc *desc);
int gpiod_set_consumer_name(struct gpio_desc *desc, const char *name);
+bool gpiod_is_shared(const struct gpio_desc *desc);
+
/* Convert between the old gpio_ and new gpiod_ interfaces */
struct gpio_desc *gpio_to_desc(unsigned gpio);
int desc_to_gpio(const struct gpio_desc *desc);
-/* Child properties interface */
-struct fwnode_handle;
+int gpiod_hwgpio(const struct gpio_desc *desc);
struct gpio_desc *fwnode_gpiod_get_index(struct fwnode_handle *fwnode,
const char *con_id, int index,
@@ -184,8 +185,12 @@ struct gpio_desc *devm_fwnode_gpiod_get_index(struct device *dev,
enum gpiod_flags flags,
const char *label);
+bool gpiod_is_equal(const struct gpio_desc *desc,
+ const struct gpio_desc *other);
+
#else /* CONFIG_GPIOLIB */
+#include <linux/bug.h>
#include <linux/kernel.h>
static inline int gpiod_count(struct device *dev, const char *con_id)
@@ -348,18 +353,6 @@ static inline int gpiod_direction_output_raw(struct gpio_desc *desc, int value)
WARN_ON(desc);
return -ENOSYS;
}
-static inline int gpiod_enable_hw_timestamp_ns(struct gpio_desc *desc,
- unsigned long flags)
-{
- WARN_ON(desc);
- return -ENOSYS;
-}
-static inline int gpiod_disable_hw_timestamp_ns(struct gpio_desc *desc,
- unsigned long flags)
-{
- WARN_ON(desc);
- return -ENOSYS;
-}
static inline int gpiod_get_value(const struct gpio_desc *desc)
{
/* GPIO can never have been requested */
@@ -375,10 +368,11 @@ static inline int gpiod_get_array_value(unsigned int array_size,
WARN_ON(desc_array);
return 0;
}
-static inline void gpiod_set_value(struct gpio_desc *desc, int value)
+static inline int gpiod_set_value(struct gpio_desc *desc, int value)
{
/* GPIO can never have been requested */
WARN_ON(desc);
+ return 0;
}
static inline int gpiod_set_array_value(unsigned int array_size,
struct gpio_desc **desc_array,
@@ -404,10 +398,11 @@ static inline int gpiod_get_raw_array_value(unsigned int array_size,
WARN_ON(desc_array);
return 0;
}
-static inline void gpiod_set_raw_value(struct gpio_desc *desc, int value)
+static inline int gpiod_set_raw_value(struct gpio_desc *desc, int value)
{
/* GPIO can never have been requested */
WARN_ON(desc);
+ return 0;
}
static inline int gpiod_set_raw_array_value(unsigned int array_size,
struct gpio_desc **desc_array,
@@ -434,10 +429,11 @@ static inline int gpiod_get_array_value_cansleep(unsigned int array_size,
WARN_ON(desc_array);
return 0;
}
-static inline void gpiod_set_value_cansleep(struct gpio_desc *desc, int value)
+static inline int gpiod_set_value_cansleep(struct gpio_desc *desc, int value)
{
/* GPIO can never have been requested */
WARN_ON(desc);
+ return 0;
}
static inline int gpiod_set_array_value_cansleep(unsigned int array_size,
struct gpio_desc **desc_array,
@@ -463,11 +459,12 @@ static inline int gpiod_get_raw_array_value_cansleep(unsigned int array_size,
WARN_ON(desc_array);
return 0;
}
-static inline void gpiod_set_raw_value_cansleep(struct gpio_desc *desc,
- int value)
+static inline int gpiod_set_raw_value_cansleep(struct gpio_desc *desc,
+ int value)
{
/* GPIO can never have been requested */
WARN_ON(desc);
+ return 0;
}
static inline int gpiod_set_raw_array_value_cansleep(unsigned int array_size,
struct gpio_desc **desc_array,
@@ -493,13 +490,6 @@ static inline int gpiod_set_debounce(struct gpio_desc *desc, unsigned int deboun
return -ENOSYS;
}
-static inline int gpiod_set_transitory(struct gpio_desc *desc, bool transitory)
-{
- /* GPIO can never have been requested */
- WARN_ON(desc);
- return -ENOSYS;
-}
-
static inline void gpiod_toggle_active_low(struct gpio_desc *desc)
{
/* GPIO can never have been requested */
@@ -534,6 +524,13 @@ static inline int gpiod_set_consumer_name(struct gpio_desc *desc,
return -EINVAL;
}
+static inline bool gpiod_is_shared(const struct gpio_desc *desc)
+{
+ /* GPIO can never have been requested */
+ WARN_ON(desc);
+ return false;
+}
+
static inline struct gpio_desc *gpio_to_desc(unsigned gpio)
{
return NULL;
@@ -546,9 +543,6 @@ static inline int desc_to_gpio(const struct gpio_desc *desc)
return -EINVAL;
}
-/* Child properties interface */
-struct fwnode_handle;
-
static inline
struct gpio_desc *fwnode_gpiod_get_index(struct fwnode_handle *fwnode,
const char *con_id, int index,
@@ -568,70 +562,54 @@ struct gpio_desc *devm_fwnode_gpiod_get_index(struct device *dev,
return ERR_PTR(-ENOSYS);
}
-#endif /* CONFIG_GPIOLIB */
-
-static inline
-struct gpio_desc *devm_fwnode_gpiod_get(struct device *dev,
- struct fwnode_handle *fwnode,
- const char *con_id,
- enum gpiod_flags flags,
- const char *label)
+static inline bool
+gpiod_is_equal(const struct gpio_desc *desc, const struct gpio_desc *other)
{
- return devm_fwnode_gpiod_get_index(dev, fwnode, con_id, 0,
- flags, label);
+ WARN_ON(desc || other);
+ return false;
}
-#if IS_ENABLED(CONFIG_GPIOLIB) && IS_ENABLED(CONFIG_OF_GPIO)
-struct device_node;
-
-struct gpio_desc *gpiod_get_from_of_node(const struct device_node *node,
- const char *propname, int index,
- enum gpiod_flags dflags,
- const char *label);
+#endif /* CONFIG_GPIOLIB */
-#else /* CONFIG_GPIOLIB && CONFIG_OF_GPIO */
+#if IS_ENABLED(CONFIG_GPIOLIB) && IS_ENABLED(CONFIG_HTE)
+int gpiod_enable_hw_timestamp_ns(struct gpio_desc *desc, unsigned long flags);
+int gpiod_disable_hw_timestamp_ns(struct gpio_desc *desc, unsigned long flags);
+#else
-struct device_node;
+#include <linux/bug.h>
-static inline
-struct gpio_desc *gpiod_get_from_of_node(const struct device_node *node,
- const char *propname, int index,
- enum gpiod_flags dflags,
- const char *label)
+static inline int gpiod_enable_hw_timestamp_ns(struct gpio_desc *desc,
+ unsigned long flags)
{
- return ERR_PTR(-ENOSYS);
-}
-
-#endif /* CONFIG_GPIOLIB && CONFIG_OF_GPIO */
-
-#ifdef CONFIG_GPIOLIB
-struct device_node;
-
-struct gpio_desc *devm_gpiod_get_from_of_node(struct device *dev,
- const struct device_node *node,
- const char *propname, int index,
- enum gpiod_flags dflags,
- const char *label);
+ if (!IS_ENABLED(CONFIG_GPIOLIB))
+ WARN_ON(desc);
-#else /* CONFIG_GPIOLIB */
+ return -ENOSYS;
+}
+static inline int gpiod_disable_hw_timestamp_ns(struct gpio_desc *desc,
+ unsigned long flags)
+{
+ if (!IS_ENABLED(CONFIG_GPIOLIB))
+ WARN_ON(desc);
-struct device_node;
+ return -ENOSYS;
+}
+#endif /* CONFIG_GPIOLIB && CONFIG_HTE */
static inline
-struct gpio_desc *devm_gpiod_get_from_of_node(struct device *dev,
- const struct device_node *node,
- const char *propname, int index,
- enum gpiod_flags dflags,
- const char *label)
+struct gpio_desc *devm_fwnode_gpiod_get(struct device *dev,
+ struct fwnode_handle *fwnode,
+ const char *con_id,
+ enum gpiod_flags flags,
+ const char *label)
{
- return ERR_PTR(-ENOSYS);
+ return devm_fwnode_gpiod_get_index(dev, fwnode, con_id, 0,
+ flags, label);
}
-#endif /* CONFIG_GPIOLIB */
-
struct acpi_gpio_params {
unsigned int crs_entry_index;
- unsigned int line_index;
+ unsigned short line_index;
bool active_low;
};
@@ -655,8 +633,6 @@ struct acpi_gpio_mapping {
unsigned int quirks;
};
-struct acpi_device;
-
#if IS_ENABLED(CONFIG_GPIOLIB) && IS_ENABLED(CONFIG_ACPI)
int acpi_dev_add_driver_gpios(struct acpi_device *adev,
@@ -666,8 +642,6 @@ void acpi_dev_remove_driver_gpios(struct acpi_device *adev);
int devm_acpi_dev_add_driver_gpios(struct device *dev,
const struct acpi_gpio_mapping *gpios);
-struct gpio_desc *acpi_get_and_request_gpiod(char *path, unsigned int pin, char *label);
-
#else /* CONFIG_GPIOLIB && CONFIG_ACPI */
static inline int acpi_dev_add_driver_gpios(struct acpi_device *adev,
@@ -683,12 +657,6 @@ static inline int devm_acpi_dev_add_driver_gpios(struct device *dev,
return -ENXIO;
}
-static inline struct gpio_desc *acpi_get_and_request_gpiod(char *path, unsigned int pin,
- char *label)
-{
- return ERR_PTR(-ENOSYS);
-}
-
#endif /* CONFIG_GPIOLIB && CONFIG_ACPI */
@@ -719,4 +687,14 @@ static inline void gpiod_unexport(struct gpio_desc *desc)
#endif /* CONFIG_GPIOLIB && CONFIG_GPIO_SYSFS */
+static inline int gpiod_multi_set_value_cansleep(struct gpio_descs *descs,
+ unsigned long *value_bitmap)
+{
+ if (IS_ERR_OR_NULL(descs))
+ return PTR_ERR_OR_ZERO(descs);
+
+ return gpiod_set_array_value_cansleep(descs->ndescs, descs->desc,
+ descs->info, value_bitmap);
+}
+
#endif
generated by cgit (git 2.34.1) at 2025-12-21 19:28:25 +0000