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5666a8777a
Add acpi_gpio_need_run_edge_events_on_boot() getter which moves towards isolating the GPIO ACPI and quirk APIs. It will helps splitting them completely in the next changes. No functional changes. Reviewed-by: Hans de Goede <hdegoede@redhat.com> Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
76 lines
1.9 KiB
C
76 lines
1.9 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* ACPI helpers for GPIO API
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*
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* Copyright (C) 2012,2019 Intel Corporation
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*/
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#ifndef GPIOLIB_ACPI_H
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#define GPIOLIB_ACPI_H
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#include <linux/err.h>
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#include <linux/types.h>
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#include <linux/gpio/consumer.h>
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struct device;
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struct fwnode_handle;
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struct gpio_chip;
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struct gpio_desc;
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struct gpio_device;
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#ifdef CONFIG_ACPI
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void acpi_gpiochip_add(struct gpio_chip *chip);
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void acpi_gpiochip_remove(struct gpio_chip *chip);
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void acpi_gpiochip_request_interrupts(struct gpio_chip *chip);
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void acpi_gpiochip_free_interrupts(struct gpio_chip *chip);
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struct gpio_desc *acpi_find_gpio(struct fwnode_handle *fwnode,
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const char *con_id,
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unsigned int idx,
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enum gpiod_flags *dflags,
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unsigned long *lookupflags);
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int acpi_gpio_count(const struct fwnode_handle *fwnode, const char *con_id);
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#else
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static inline void acpi_gpiochip_add(struct gpio_chip *chip) { }
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static inline void acpi_gpiochip_remove(struct gpio_chip *chip) { }
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static inline void
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acpi_gpiochip_request_interrupts(struct gpio_chip *chip) { }
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static inline void
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acpi_gpiochip_free_interrupts(struct gpio_chip *chip) { }
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static inline struct gpio_desc *
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acpi_find_gpio(struct fwnode_handle *fwnode, const char *con_id,
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unsigned int idx, enum gpiod_flags *dflags,
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unsigned long *lookupflags)
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{
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return ERR_PTR(-ENOENT);
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}
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static inline int acpi_gpio_count(const struct fwnode_handle *fwnode,
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const char *con_id)
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{
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return -ENODEV;
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}
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#endif
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void acpi_gpio_process_deferred_list(struct list_head *list);
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bool acpi_gpio_add_to_deferred_list(struct list_head *list);
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void acpi_gpio_remove_from_deferred_list(struct list_head *list);
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int acpi_gpio_need_run_edge_events_on_boot(void);
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enum acpi_gpio_ignore_list {
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ACPI_GPIO_IGNORE_WAKE,
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ACPI_GPIO_IGNORE_INTERRUPT,
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};
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bool acpi_gpio_in_ignore_list(enum acpi_gpio_ignore_list list,
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const char *controller_in, unsigned int pin_in);
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#endif /* GPIOLIB_ACPI_H */
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