gpio.h: Add stripped kernel header

Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>

include/linux/gpio.h

@@ -0,0 +1,81 @@
+/*
+ * This header was manually generated from a Linux kernel header linux/gpio.h,
+ * to make information necessary for compilation to be available. It contains
+ * only constants, structures, and macros generated from the original header,
+ * and thus, contains no copyrightable information.
+ */
+#ifndef _GPIO_H_
+#define _GPIO_H_
+
+#include <linux/ioctl.h>
+#include <linux/types.h>
+
+struct gpiochip_info {
+    char name[32];
+    char label[32];
+    __u32 lines;
+};
+
+#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)
+
+struct gpioline_info {
+    __u32 line_offset;
+    __u32 flags;
+    char name[32];
+    char consumer[32];
+};
+
+#define GPIOHANDLES_MAX 64
+
+#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)
+
+struct gpiohandle_request {
+    __u32 lineoffsets[GPIOHANDLES_MAX];
+    __u32 flags;
+    __u8 default_values[GPIOHANDLES_MAX];
+    char consumer_label[32];
+    __u32 lines;
+    int fd;
+};
+
+struct gpiohandle_data {
+    __u8 values[GPIOHANDLES_MAX];
+};
+
+#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 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[32];
+    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_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)
+
+#endif /* _GPIO_H_ */

src/gpio/gpio.c

@@ -24,7 +24,7 @@
  */
 #include "gpio.h"
 #include "mraa_internal.h"
-#include "chardev_interface/gpio.h"
+#include "linux/gpio.h"
 #include <dirent.h>
 
 #include <stdlib.h>