| /**************************************************************************** |
| **************************************************************************** |
| *** |
| *** This header was automatically generated from a Linux kernel header |
| *** of the same name, to make information necessary for userspace to |
| *** call into the kernel available to libc. It contains only constants, |
| *** structures, and macros generated from the original header, and thus, |
| *** contains no copyrightable information. |
| *** |
| *** To edit the content of this header, modify the corresponding |
| *** source file (e.g. under external/kernel-headers/original/) then |
| *** run bionic/libc/kernel/tools/update_all.py |
| *** |
| *** Any manual change here will be lost the next time this script will |
| *** be run. You've been warned! |
| *** |
| **************************************************************************** |
| ****************************************************************************/ |
| #ifndef _UAPI_GPIO_H_ |
| #define _UAPI_GPIO_H_ |
| #include <linux/const.h> |
| #include <linux/ioctl.h> |
| #include <linux/types.h> |
| #define GPIO_MAX_NAME_SIZE 32 |
| struct gpiochip_info { |
| char name[GPIO_MAX_NAME_SIZE]; |
| char label[GPIO_MAX_NAME_SIZE]; |
| __u32 lines; |
| }; |
| #define GPIO_V2_LINES_MAX 64 |
| #define GPIO_V2_LINE_NUM_ATTRS_MAX 10 |
| enum gpio_v2_line_flag { |
| GPIO_V2_LINE_FLAG_USED = _BITULL(0), |
| GPIO_V2_LINE_FLAG_ACTIVE_LOW = _BITULL(1), |
| GPIO_V2_LINE_FLAG_INPUT = _BITULL(2), |
| GPIO_V2_LINE_FLAG_OUTPUT = _BITULL(3), |
| GPIO_V2_LINE_FLAG_EDGE_RISING = _BITULL(4), |
| GPIO_V2_LINE_FLAG_EDGE_FALLING = _BITULL(5), |
| GPIO_V2_LINE_FLAG_OPEN_DRAIN = _BITULL(6), |
| GPIO_V2_LINE_FLAG_OPEN_SOURCE = _BITULL(7), |
| GPIO_V2_LINE_FLAG_BIAS_PULL_UP = _BITULL(8), |
| GPIO_V2_LINE_FLAG_BIAS_PULL_DOWN = _BITULL(9), |
| GPIO_V2_LINE_FLAG_BIAS_DISABLED = _BITULL(10), |
| GPIO_V2_LINE_FLAG_EVENT_CLOCK_REALTIME = _BITULL(11), |
| }; |
| struct gpio_v2_line_values { |
| __aligned_u64 bits; |
| __aligned_u64 mask; |
| }; |
| enum gpio_v2_line_attr_id { |
| GPIO_V2_LINE_ATTR_ID_FLAGS = 1, |
| GPIO_V2_LINE_ATTR_ID_OUTPUT_VALUES = 2, |
| GPIO_V2_LINE_ATTR_ID_DEBOUNCE = 3, |
| }; |
| struct gpio_v2_line_attribute { |
| __u32 id; |
| __u32 padding; |
| union { |
| __aligned_u64 flags; |
| __aligned_u64 values; |
| __u32 debounce_period_us; |
| }; |
| }; |
| struct gpio_v2_line_config_attribute { |
| struct gpio_v2_line_attribute attr; |
| __aligned_u64 mask; |
| }; |
| struct gpio_v2_line_config { |
| __aligned_u64 flags; |
| __u32 num_attrs; |
| __u32 padding[5]; |
| struct gpio_v2_line_config_attribute attrs[GPIO_V2_LINE_NUM_ATTRS_MAX]; |
| }; |
| struct gpio_v2_line_request { |
| __u32 offsets[GPIO_V2_LINES_MAX]; |
| char consumer[GPIO_MAX_NAME_SIZE]; |
| struct gpio_v2_line_config config; |
| __u32 num_lines; |
| __u32 event_buffer_size; |
| __u32 padding[5]; |
| __s32 fd; |
| }; |
| struct gpio_v2_line_info { |
| char name[GPIO_MAX_NAME_SIZE]; |
| char consumer[GPIO_MAX_NAME_SIZE]; |
| __u32 offset; |
| __u32 num_attrs; |
| __aligned_u64 flags; |
| struct gpio_v2_line_attribute attrs[GPIO_V2_LINE_NUM_ATTRS_MAX]; |
| __u32 padding[4]; |
| }; |
| enum gpio_v2_line_changed_type { |
| GPIO_V2_LINE_CHANGED_REQUESTED = 1, |
| GPIO_V2_LINE_CHANGED_RELEASED = 2, |
| GPIO_V2_LINE_CHANGED_CONFIG = 3, |
| }; |
| struct gpio_v2_line_info_changed { |
| struct gpio_v2_line_info info; |
| __aligned_u64 timestamp_ns; |
| __u32 event_type; |
| __u32 padding[5]; |
| }; |
| enum gpio_v2_line_event_id { |
| GPIO_V2_LINE_EVENT_RISING_EDGE = 1, |
| GPIO_V2_LINE_EVENT_FALLING_EDGE = 2, |
| }; |
| struct gpio_v2_line_event { |
| __aligned_u64 timestamp_ns; |
| __u32 id; |
| __u32 offset; |
| __u32 seqno; |
| __u32 line_seqno; |
| __u32 padding[6]; |
| }; |
| #define GPIOLINE_FLAG_KERNEL (1UL << 0) |
| #define GPIOLINE_FLAG_IS_OUT (1UL << 1) |
| #define GPIOLINE_FLAG_ACTIVE_LOW (1UL << 2) |
| #define GPIOLINE_FLAG_OPEN_DRAIN (1UL << 3) |
| #define GPIOLINE_FLAG_OPEN_SOURCE (1UL << 4) |
| #define GPIOLINE_FLAG_BIAS_PULL_UP (1UL << 5) |
| #define GPIOLINE_FLAG_BIAS_PULL_DOWN (1UL << 6) |
| #define GPIOLINE_FLAG_BIAS_DISABLE (1UL << 7) |
| struct gpioline_info { |
| __u32 line_offset; |
| __u32 flags; |
| char name[GPIO_MAX_NAME_SIZE]; |
| char consumer[GPIO_MAX_NAME_SIZE]; |
| }; |
| #define GPIOHANDLES_MAX 64 |
| enum { |
| GPIOLINE_CHANGED_REQUESTED = 1, |
| GPIOLINE_CHANGED_RELEASED, |
| GPIOLINE_CHANGED_CONFIG, |
| }; |
| struct gpioline_info_changed { |
| struct gpioline_info info; |
| __u64 timestamp; |
| __u32 event_type; |
| __u32 padding[5]; |
| }; |
| #define GPIOHANDLE_REQUEST_INPUT (1UL << 0) |
| #define GPIOHANDLE_REQUEST_OUTPUT (1UL << 1) |
| #define GPIOHANDLE_REQUEST_ACTIVE_LOW (1UL << 2) |
| #define GPIOHANDLE_REQUEST_OPEN_DRAIN (1UL << 3) |
| #define GPIOHANDLE_REQUEST_OPEN_SOURCE (1UL << 4) |
| #define GPIOHANDLE_REQUEST_BIAS_PULL_UP (1UL << 5) |
| #define GPIOHANDLE_REQUEST_BIAS_PULL_DOWN (1UL << 6) |
| #define GPIOHANDLE_REQUEST_BIAS_DISABLE (1UL << 7) |
| struct gpiohandle_request { |
| __u32 lineoffsets[GPIOHANDLES_MAX]; |
| __u32 flags; |
| __u8 default_values[GPIOHANDLES_MAX]; |
| char consumer_label[GPIO_MAX_NAME_SIZE]; |
| __u32 lines; |
| int fd; |
| }; |
| struct gpiohandle_config { |
| __u32 flags; |
| __u8 default_values[GPIOHANDLES_MAX]; |
| __u32 padding[4]; |
| }; |
| struct gpiohandle_data { |
| __u8 values[GPIOHANDLES_MAX]; |
| }; |
| #define GPIOEVENT_REQUEST_RISING_EDGE (1UL << 0) |
| #define GPIOEVENT_REQUEST_FALLING_EDGE (1UL << 1) |
| #define GPIOEVENT_REQUEST_BOTH_EDGES ((1UL << 0) | (1UL << 1)) |
| struct gpioevent_request { |
| __u32 lineoffset; |
| __u32 handleflags; |
| __u32 eventflags; |
| char consumer_label[GPIO_MAX_NAME_SIZE]; |
| int fd; |
| }; |
| #define GPIOEVENT_EVENT_RISING_EDGE 0x01 |
| #define GPIOEVENT_EVENT_FALLING_EDGE 0x02 |
| struct gpioevent_data { |
| __u64 timestamp; |
| __u32 id; |
| }; |
| #define GPIO_GET_CHIPINFO_IOCTL _IOR(0xB4, 0x01, struct gpiochip_info) |
| #define GPIO_GET_LINEINFO_UNWATCH_IOCTL _IOWR(0xB4, 0x0C, __u32) |
| #define GPIO_V2_GET_LINEINFO_IOCTL _IOWR(0xB4, 0x05, struct gpio_v2_line_info) |
| #define GPIO_V2_GET_LINEINFO_WATCH_IOCTL _IOWR(0xB4, 0x06, struct gpio_v2_line_info) |
| #define GPIO_V2_GET_LINE_IOCTL _IOWR(0xB4, 0x07, struct gpio_v2_line_request) |
| #define GPIO_V2_LINE_SET_CONFIG_IOCTL _IOWR(0xB4, 0x0D, struct gpio_v2_line_config) |
| #define GPIO_V2_LINE_GET_VALUES_IOCTL _IOWR(0xB4, 0x0E, struct gpio_v2_line_values) |
| #define GPIO_V2_LINE_SET_VALUES_IOCTL _IOWR(0xB4, 0x0F, struct gpio_v2_line_values) |
| #define GPIO_GET_LINEINFO_IOCTL _IOWR(0xB4, 0x02, struct gpioline_info) |
| #define GPIO_GET_LINEHANDLE_IOCTL _IOWR(0xB4, 0x03, struct gpiohandle_request) |
| #define GPIO_GET_LINEEVENT_IOCTL _IOWR(0xB4, 0x04, struct gpioevent_request) |
| #define GPIOHANDLE_GET_LINE_VALUES_IOCTL _IOWR(0xB4, 0x08, struct gpiohandle_data) |
| #define GPIOHANDLE_SET_LINE_VALUES_IOCTL _IOWR(0xB4, 0x09, struct gpiohandle_data) |
| #define GPIOHANDLE_SET_CONFIG_IOCTL _IOWR(0xB4, 0x0A, struct gpiohandle_config) |
| #define GPIO_GET_LINEINFO_WATCH_IOCTL _IOWR(0xB4, 0x0B, struct gpioline_info) |
| #endif |