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t/include/input.h  view on Meta::CPAN

	__u16 direction;
	struct ff_trigger trigger;
	struct ff_replay replay;

	union {
		struct ff_constant_effect constant;
		struct ff_ramp_effect ramp;
		struct ff_periodic_effect periodic;
		struct ff_condition_effect condition[2]; /* One for each axis */
		struct ff_rumble_effect rumble;
	} u;
};

/*
 * Force feedback effect types
 */

#define FF_RUMBLE	0x50
#define FF_PERIODIC	0x51
#define FF_CONSTANT	0x52
#define FF_SPRING	0x53
#define FF_FRICTION	0x54
#define FF_DAMPER	0x55
#define FF_INERTIA	0x56
#define FF_RAMP		0x57

#define FF_EFFECT_MIN	FF_RUMBLE
#define FF_EFFECT_MAX	FF_RAMP

/*
 * Force feedback periodic effect types
 */

#define FF_SQUARE	0x58
#define FF_TRIANGLE	0x59
#define FF_SINE		0x5a
#define FF_SAW_UP	0x5b
#define FF_SAW_DOWN	0x5c
#define FF_CUSTOM	0x5d

#define FF_WAVEFORM_MIN	FF_SQUARE
#define FF_WAVEFORM_MAX	FF_CUSTOM

/*
 * Set ff device properties
 */

#define FF_GAIN		0x60
#define FF_AUTOCENTER	0x61

#define FF_MAX		0x7f

#ifdef __KERNEL__

/*
 * In-kernel definitions.
 */

#include <linux/device.h>
#include <linux/fs.h>
#include <linux/timer.h>
#include <linux/mod_devicetable.h>

#define NBITS(x) (((x)/BITS_PER_LONG)+1)
#define BIT(x)	(1UL<<((x)%BITS_PER_LONG))
#define LONG(x) ((x)/BITS_PER_LONG)

#define INPUT_KEYCODE(dev, scancode) ((dev->keycodesize == 1) ? ((u8*)dev->keycode)[scancode] : \
	((dev->keycodesize == 2) ? ((u16*)dev->keycode)[scancode] : (((u32*)dev->keycode)[scancode])))

#define SET_INPUT_KEYCODE(dev, scancode, val)			\
		({	unsigned __old;				\
		switch (dev->keycodesize) {			\
			case 1: {				\
				u8 *k = (u8 *)dev->keycode;	\
				__old = k[scancode];		\
				k[scancode] = val;		\
				break;				\
			}					\
			case 2: {				\
				u16 *k = (u16 *)dev->keycode;	\
				__old = k[scancode];		\
				k[scancode] = val;		\
				break;				\
			}					\
			default: {				\
				u32 *k = (u32 *)dev->keycode;	\
				__old = k[scancode];		\
				k[scancode] = val;		\
				break;				\
			}					\
		}						\
		__old; })

struct input_dev {

	void *private;

	const char *name;
	const char *phys;
	const char *uniq;
	struct input_id id;

	unsigned long evbit[NBITS(EV_MAX)];
	unsigned long keybit[NBITS(KEY_MAX)];
	unsigned long relbit[NBITS(REL_MAX)];
	unsigned long absbit[NBITS(ABS_MAX)];
	unsigned long mscbit[NBITS(MSC_MAX)];
	unsigned long ledbit[NBITS(LED_MAX)];
	unsigned long sndbit[NBITS(SND_MAX)];
	unsigned long ffbit[NBITS(FF_MAX)];
	unsigned long swbit[NBITS(SW_MAX)];

	unsigned int keycodemax;
	unsigned int keycodesize;
	void *keycode;

	struct ff_device *ff;

	unsigned int repeat_key;
	struct timer_list timer;

	int state;

	int sync;

	int abs[ABS_MAX + 1];
	int rep[REP_MAX + 1];

	unsigned long key[NBITS(KEY_MAX)];
	unsigned long led[NBITS(LED_MAX)];
	unsigned long snd[NBITS(SND_MAX)];
	unsigned long sw[NBITS(SW_MAX)];

	int absmax[ABS_MAX + 1];
	int absmin[ABS_MAX + 1];
	int absfuzz[ABS_MAX + 1];
	int absflat[ABS_MAX + 1];

	int (*open)(struct input_dev *dev);
	void (*close)(struct input_dev *dev);
	int (*flush)(struct input_dev *dev, struct file *file);
	int (*event)(struct input_dev *dev, unsigned int type, unsigned int code, int value);

	struct input_handle *grab;

	struct mutex mutex;	/* serializes open and close operations */
	unsigned int users;

	struct class_device cdev;

	struct list_head	h_list;
	struct list_head	node;
};
#define to_input_dev(d) container_of(d, struct input_dev, cdev)

/*
 * Verify that we are in sync with input_device_id mod_devicetable.h #defines
 */

#if EV_MAX != INPUT_DEVICE_ID_EV_MAX
#error "EV_MAX and INPUT_DEVICE_ID_EV_MAX do not match"
#endif

#if KEY_MAX != INPUT_DEVICE_ID_KEY_MAX
#error "KEY_MAX and INPUT_DEVICE_ID_KEY_MAX do not match"
#endif

#if REL_MAX != INPUT_DEVICE_ID_REL_MAX
#error "REL_MAX and INPUT_DEVICE_ID_REL_MAX do not match"
#endif

#if ABS_MAX != INPUT_DEVICE_ID_ABS_MAX
#error "ABS_MAX and INPUT_DEVICE_ID_ABS_MAX do not match"
#endif

#if MSC_MAX != INPUT_DEVICE_ID_MSC_MAX
#error "MSC_MAX and INPUT_DEVICE_ID_MSC_MAX do not match"
#endif

#if LED_MAX != INPUT_DEVICE_ID_LED_MAX