82 lines
2.3 KiB
C
82 lines
2.3 KiB
C
/*
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* This header was manually generated from a Linux kernel header linux/gpio.h,
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* to make information necessary for compilation to be available. It contains
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* only constants, structures, and macros generated from the original header,
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* and thus, contains no copyrightable information.
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*/
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#ifndef _GPIO_H_
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#define _GPIO_H_
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#include <linux/ioctl.h>
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#include <linux/types.h>
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struct gpiochip_info {
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char name[32];
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char label[32];
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__u32 lines;
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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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struct gpioline_info {
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__u32 line_offset;
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__u32 flags;
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char name[32];
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char consumer[32];
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};
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#define GPIOHANDLES_MAX 64
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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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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[32];
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__u32 lines;
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int fd;
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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 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 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[32];
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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_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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#endif /* _GPIO_H_ */
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