Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Andy Shevchenko | 401 | 99.01% | 3 | 75.00% |
Raul E Rangel | 4 | 0.99% | 1 | 25.00% |
Total | 405 | 4 |
/* SPDX-License-Identifier: GPL-2.0 */ /* * ACPI helpers for GPIO API * * Copyright (C) 2012,2019 Intel Corporation */ #ifndef GPIOLIB_ACPI_H #define GPIOLIB_ACPI_H struct acpi_device; /** * struct acpi_gpio_info - ACPI GPIO specific information * @adev: reference to ACPI device which consumes GPIO resource * @flags: GPIO initialization flags * @gpioint: if %true this GPIO is of type GpioInt otherwise type is GpioIo * @pin_config: pin bias as provided by ACPI * @polarity: interrupt polarity as provided by ACPI * @triggering: triggering type as provided by ACPI * @wake_capable: wake capability as provided by ACPI * @debounce: debounce timeout as provided by ACPI * @quirks: Linux specific quirks as provided by struct acpi_gpio_mapping */ struct acpi_gpio_info { struct acpi_device *adev; enum gpiod_flags flags; bool gpioint; int pin_config; int polarity; int triggering; bool wake_capable; unsigned int debounce; unsigned int quirks; }; #ifdef CONFIG_ACPI void acpi_gpiochip_add(struct gpio_chip *chip); void acpi_gpiochip_remove(struct gpio_chip *chip); void acpi_gpio_dev_init(struct gpio_chip *gc, struct gpio_device *gdev); void acpi_gpiochip_request_interrupts(struct gpio_chip *chip); void acpi_gpiochip_free_interrupts(struct gpio_chip *chip); int acpi_gpio_update_gpiod_flags(enum gpiod_flags *flags, struct acpi_gpio_info *info); int acpi_gpio_update_gpiod_lookup_flags(unsigned long *lookupflags, struct acpi_gpio_info *info); struct gpio_desc *acpi_find_gpio(struct device *dev, const char *con_id, unsigned int idx, enum gpiod_flags *dflags, unsigned long *lookupflags); struct gpio_desc *acpi_node_get_gpiod(struct fwnode_handle *fwnode, const char *propname, int index, struct acpi_gpio_info *info); int acpi_gpio_count(struct device *dev, const char *con_id); #else static inline void acpi_gpiochip_add(struct gpio_chip *chip) { } static inline void acpi_gpiochip_remove(struct gpio_chip *chip) { } static inline void acpi_gpio_dev_init(struct gpio_chip *gc, struct gpio_device *gdev) { } static inline void acpi_gpiochip_request_interrupts(struct gpio_chip *chip) { } static inline void acpi_gpiochip_free_interrupts(struct gpio_chip *chip) { } static inline int acpi_gpio_update_gpiod_flags(enum gpiod_flags *flags, struct acpi_gpio_info *info) { return 0; } static inline int acpi_gpio_update_gpiod_lookup_flags(unsigned long *lookupflags, struct acpi_gpio_info *info) { return 0; } static inline struct gpio_desc * acpi_find_gpio(struct device *dev, const char *con_id, unsigned int idx, enum gpiod_flags *dflags, unsigned long *lookupflags) { return ERR_PTR(-ENOENT); } static inline struct gpio_desc * acpi_node_get_gpiod(struct fwnode_handle *fwnode, const char *propname, int index, struct acpi_gpio_info *info) { return ERR_PTR(-ENXIO); } static inline int acpi_gpio_count(struct device *dev, const char *con_id) { return -ENODEV; } #endif #endif /* GPIOLIB_ACPI_H */
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