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1 | #ifndef _LINUX_ACPI_GPIO_H_ |
2 | #define _LINUX_ACPI_GPIO_H_ | |
3 | ||
12028d2d | 4 | #include <linux/device.h> |
e29482e8 | 5 | #include <linux/errno.h> |
0d1c28a4 | 6 | #include <linux/gpio.h> |
e29482e8 | 7 | |
12028d2d MW |
8 | /** |
9 | * struct acpi_gpio_info - ACPI GPIO specific information | |
10 | * @gpioint: if %true this GPIO is of type GpioInt otherwise type is GpioIo | |
11 | */ | |
12 | struct acpi_gpio_info { | |
13 | bool gpioint; | |
14 | }; | |
15 | ||
e29482e8 MN |
16 | #ifdef CONFIG_GPIO_ACPI |
17 | ||
18 | int acpi_get_gpio(char *path, int pin); | |
12028d2d MW |
19 | int acpi_get_gpio_by_index(struct device *dev, int index, |
20 | struct acpi_gpio_info *info); | |
0d1c28a4 | 21 | void acpi_gpiochip_request_interrupts(struct gpio_chip *chip); |
7fc7acb9 | 22 | void acpi_gpiochip_free_interrupts(struct gpio_chip *chip); |
e29482e8 MN |
23 | |
24 | #else /* CONFIG_GPIO_ACPI */ | |
25 | ||
26 | static inline int acpi_get_gpio(char *path, int pin) | |
27 | { | |
28 | return -ENODEV; | |
29 | } | |
30 | ||
12028d2d MW |
31 | static inline int acpi_get_gpio_by_index(struct device *dev, int index, |
32 | struct acpi_gpio_info *info) | |
33 | { | |
34 | return -ENODEV; | |
35 | } | |
36 | ||
0d1c28a4 | 37 | static inline void acpi_gpiochip_request_interrupts(struct gpio_chip *chip) { } |
7fc7acb9 | 38 | static inline void acpi_gpiochip_free_interrupts(struct gpio_chip *chip) { } |
0d1c28a4 | 39 | |
e29482e8 MN |
40 | #endif /* CONFIG_GPIO_ACPI */ |
41 | ||
42 | #endif /* _LINUX_ACPI_GPIO_H_ */ |