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