[libpicofe.git] / linux / in_evdev.c

/*
 * (C) Gražvydas "notaz" Ignotas, 2008-2010
 *
 * This work is licensed under the terms of any of these licenses
 * (at your option):
 *  - GNU GPL, version 2 or later.
 *  - GNU LGPL, version 2.1 or later.
 * See the COPYING file in the top-level directory.
 */

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include <unistd.h>
#include <linux/input.h>
#include <errno.h>

#include "../common/input.h"
#include "in_evdev.h"

typedef struct {
	int fd;
	int *kbits;
	int abs_min_x;
	int abs_max_x;
	int abs_min_y;
	int abs_max_y;
	int abs_lzone;
	int abs_lastx;
	int abs_lasty;
	int kc_first;
	int kc_last;
} in_evdev_t;

#ifndef KEY_CNT
#define KEY_CNT (KEY_MAX + 1)
#endif

#define KEYBITS_BIT(x) (keybits[(x)/sizeof(keybits[0])/8] & \
	(1 << ((x) & (sizeof(keybits[0])*8-1))))

#define KEYBITS_BIT_SET(x) (keybits[(x)/sizeof(keybits[0])/8] |= \
	(1 << ((x) & (sizeof(keybits[0])*8-1))))

#define KEYBITS_BIT_CLEAR(x) (keybits[(x)/sizeof(keybits[0])/8] &= \
	~(1 << ((x) & (sizeof(keybits[0])*8-1))))

static const char * const in_evdev_prefix = "evdev:";
static const char * const in_evdev_keys[KEY_CNT] = {
	[0 ... KEY_MAX] = NULL,
	[KEY_RESERVED] = "Reserved",		[KEY_ESC] = "Esc",
	[KEY_1] = "1",				[KEY_2] = "2",
	[KEY_3] = "3",				[KEY_4] = "4",
	[KEY_5] = "5",				[KEY_6] = "6",
	[KEY_7] = "7",				[KEY_8] = "8",
	[KEY_9] = "9",				[KEY_0] = "0",
	[KEY_MINUS] = "Minus",			[KEY_EQUAL] = "Equal",
	[KEY_BACKSPACE] = "Backspace",		[KEY_TAB] = "Tab",
	[KEY_Q] = "Q",				[KEY_W] = "W",
	[KEY_E] = "E",				[KEY_R] = "R",
	[KEY_T] = "T",				[KEY_Y] = "Y",
	[KEY_U] = "U",				[KEY_I] = "I",
	[KEY_O] = "O",				[KEY_P] = "P",
	[KEY_LEFTBRACE] = "LeftBrace",		[KEY_RIGHTBRACE] = "RightBrace",
	[KEY_ENTER] = "Enter",			[KEY_LEFTCTRL] = "LeftControl",
	[KEY_A] = "A",				[KEY_S] = "S",
	[KEY_D] = "D",				[KEY_F] = "F",
	[KEY_G] = "G",				[KEY_H] = "H",
	[KEY_J] = "J",				[KEY_K] = "K",
	[KEY_L] = "L",				[KEY_SEMICOLON] = "Semicolon",
	[KEY_APOSTROPHE] = "Apostrophe",	[KEY_GRAVE] = "Grave",
	[KEY_LEFTSHIFT] = "LeftShift",		[KEY_BACKSLASH] = "BackSlash",
	[KEY_Z] = "Z",				[KEY_X] = "X",
	[KEY_C] = "C",				[KEY_V] = "V",
	[KEY_B] = "B",				[KEY_N] = "N",
	[KEY_M] = "M",				[KEY_COMMA] = "Comma",
	[KEY_DOT] = "Dot",			[KEY_SLASH] = "Slash",
	[KEY_RIGHTSHIFT] = "RightShift",	[KEY_KPASTERISK] = "KPAsterisk",
	[KEY_LEFTALT] = "LeftAlt",		[KEY_SPACE] = "Space",
	[KEY_CAPSLOCK] = "CapsLock",		[KEY_F1] = "F1",
	[KEY_F2] = "F2",			[KEY_F3] = "F3",
	[KEY_F4] = "F4",			[KEY_F5] = "F5",
	[KEY_F6] = "F6",			[KEY_F7] = "F7",
	[KEY_F8] = "F8",			[KEY_F9] = "F9",
	[KEY_F10] = "F10",			[KEY_NUMLOCK] = "NumLock",
	[KEY_SCROLLLOCK] = "ScrollLock",	[KEY_KP7] = "KP7",
	[KEY_KP8] = "KP8",			[KEY_KP9] = "KP9",
	[KEY_KPMINUS] = "KPMinus",		[KEY_KP4] = "KP4",
	[KEY_KP5] = "KP5",			[KEY_KP6] = "KP6",
	[KEY_KPPLUS] = "KPPlus",		[KEY_KP1] = "KP1",
	[KEY_KP2] = "KP2",			[KEY_KP3] = "KP3",
	[KEY_KP0] = "KP0",			[KEY_KPDOT] = "KPDot",
	[KEY_ZENKAKUHANKAKU] = "Zenkaku/Hankaku", [KEY_102ND] = "102nd",
	[KEY_F11] = "F11",			[KEY_F12] = "F12",
	[KEY_KPJPCOMMA] = "KPJpComma",		[KEY_KPENTER] = "KPEnter",
	[KEY_RIGHTCTRL] = "RightCtrl",		[KEY_KPSLASH] = "KPSlash",
	[KEY_SYSRQ] = "SysRq",			[KEY_RIGHTALT] = "RightAlt",
	[KEY_LINEFEED] = "LineFeed",		[KEY_HOME] = "Home",
	[KEY_UP] = "Up",			[KEY_PAGEUP] = "PageUp",
	[KEY_LEFT] = "Left",			[KEY_RIGHT] = "Right",
	[KEY_END] = "End",			[KEY_DOWN] = "Down",
	[KEY_PAGEDOWN] = "PageDown",		[KEY_INSERT] = "Insert",
	[KEY_DELETE] = "Delete",		[KEY_MACRO] = "Macro",
	[KEY_HELP] = "Help",			[KEY_MENU] = "Menu",
	[KEY_COFFEE] = "Coffee",		[KEY_DIRECTION] = "Direction",
	[BTN_0] = "Btn0",			[BTN_1] = "Btn1",
	[BTN_2] = "Btn2",			[BTN_3] = "Btn3",
	[BTN_4] = "Btn4",			[BTN_5] = "Btn5",
	[BTN_6] = "Btn6",			[BTN_7] = "Btn7",
	[BTN_8] = "Btn8",			[BTN_9] = "Btn9",
	[BTN_LEFT] = "LeftBtn",			[BTN_RIGHT] = "RightBtn",
	[BTN_MIDDLE] = "MiddleBtn",		[BTN_SIDE] = "SideBtn",
	[BTN_EXTRA] = "ExtraBtn",		[BTN_FORWARD] = "ForwardBtn",
	[BTN_BACK] = "BackBtn",			[BTN_TASK] = "TaskBtn",
	[BTN_TRIGGER] = "Trigger",		[BTN_THUMB] = "ThumbBtn",
	[BTN_THUMB2] = "ThumbBtn2",		[BTN_TOP] = "TopBtn",
	[BTN_TOP2] = "TopBtn2",			[BTN_PINKIE] = "PinkieBtn",
	[BTN_BASE] = "BaseBtn",			[BTN_BASE2] = "BaseBtn2",
	[BTN_BASE3] = "BaseBtn3",		[BTN_BASE4] = "BaseBtn4",
	[BTN_BASE5] = "BaseBtn5",		[BTN_BASE6] = "BaseBtn6",
	[BTN_DEAD] = "BtnDead",			[BTN_A] = "BtnA",
	[BTN_B] = "BtnB",			[BTN_C] = "BtnC",
	[BTN_X] = "BtnX",			[BTN_Y] = "BtnY",
	[BTN_Z] = "BtnZ",			[BTN_TL] = "BtnTL",
	[BTN_TR] = "BtnTR",			[BTN_TL2] = "BtnTL2",
	[BTN_TR2] = "BtnTR2",			[BTN_SELECT] = "BtnSelect",
	[BTN_START] = "BtnStart",		[BTN_MODE] = "BtnMode",
	[BTN_THUMBL] = "BtnThumbL",		[BTN_THUMBR] = "BtnThumbR",
	[BTN_TOUCH] = "Touch",			[BTN_STYLUS] = "Stylus",
	[BTN_STYLUS2] = "Stylus2",		[BTN_TOOL_DOUBLETAP] = "Tool Doubletap",
	[BTN_TOOL_TRIPLETAP] = "Tool Tripletap", [BTN_GEAR_DOWN] = "WheelBtn",
	[BTN_GEAR_UP] = "Gear up",		[KEY_OK] = "Ok",
};


static void in_evdev_probe(void)
{
	long keybits[KEY_CNT / sizeof(long) / 8];
	long absbits[(ABS_MAX+1) / sizeof(long) / 8];
	int i;

	// the kernel might support and return less keys then we know about,
	// so make sure the buffers are clear.
	memset(keybits, 0, sizeof(keybits));
	memset(absbits, 0, sizeof(absbits));

	for (i = 0;; i++)
	{
		int support = 0, count = 0;
		int u, ret, fd, kc_first, kc_last;
		in_evdev_t *dev;
		char name[64];

		snprintf(name, sizeof(name), "/dev/input/event%d", i);
		fd = open(name, O_RDONLY|O_NONBLOCK);
		if (fd == -1) {
			if (errno == EACCES)
				continue;	/* maybe we can access next one */
			break;
		}

		/* check supported events */
		ret = ioctl(fd, EVIOCGBIT(0, sizeof(support)), &support);
		if (ret == -1) {
			printf("in_evdev: ioctl failed on %s\n", name);
			goto skip;
		}

		if (!(support & (1 << EV_KEY)))
			goto skip;

		ret = ioctl(fd, EVIOCGBIT(EV_KEY, sizeof(keybits)), keybits);
		if (ret == -1) {
			printf("in_evdev: ioctl failed on %s\n", name);
			goto skip;
		}

		/* check for interesting keys */
		kc_first = KEY_MAX;
		kc_last = 0;
		for (u = 0; u < KEY_CNT; u++) {
			if (KEYBITS_BIT(u)) {
				if (u < kc_first)
					kc_first = u;
				if (u > kc_last)
					kc_last = u;
				if (u != KEY_POWER && u != KEY_SLEEP && u != BTN_TOUCH)
					count++;
			}
		}

		if (count == 0)
			goto skip;

		dev = calloc(1, sizeof(*dev));
		if (dev == NULL)
			goto skip;

		ret = ioctl(fd, EVIOCGKEY(sizeof(keybits)), keybits);
		if (ret == -1) {
			printf("Warning: EVIOCGKEY not supported, will have to track state\n");
			dev->kbits = calloc(KEY_CNT, sizeof(int));
			if (dev->kbits == NULL) {
				free(dev);
				goto skip;
			}
		}

		/* check for abs too */
		if (support & (1 << EV_ABS)) {
			struct input_absinfo ainfo;
			int dist;
			ret = ioctl(fd, EVIOCGBIT(EV_ABS, sizeof(absbits)), absbits);
			if (ret == -1)
				goto no_abs;
			if (absbits[0] & (1 << ABS_X)) {
				ret = ioctl(fd, EVIOCGABS(ABS_X), &ainfo);
				if (ret == -1)
					goto no_abs;
				dist = ainfo.maximum - ainfo.minimum;
				dev->abs_lzone = dist / 4;
				dev->abs_min_x = ainfo.minimum;
				dev->abs_max_x = ainfo.maximum;
			}
			if (absbits[0] & (1 << ABS_Y)) {
				ret = ioctl(fd, EVIOCGABS(ABS_Y), &ainfo);
				if (ret == -1)
					goto no_abs;
				dist = ainfo.maximum - ainfo.minimum;
				dev->abs_min_y = ainfo.minimum;
				dev->abs_max_y = ainfo.maximum;
			}
		}

no_abs:
		dev->fd = fd;
		dev->kc_first = kc_first;
		dev->kc_last = kc_last;
		strcpy(name, in_evdev_prefix);
		ioctl(fd, EVIOCGNAME(sizeof(name)-6), name+6);
		printf("in_evdev: found \"%s\" with %d events (type %08x)\n",
			name+6, count, support);
		in_register(name, IN_DRVID_EVDEV, fd, dev, KEY_CNT, in_evdev_keys, 0);
		continue;

skip:
		close(fd);
	}
}

static void in_evdev_free(void *drv_data)
{
	in_evdev_t *dev = drv_data;
	if (dev == NULL)
		return;
	close(dev->fd);
	free(dev);
}

static const char * const *
in_evdev_get_key_names(int *count)
{
	*count = KEY_CNT;
	return in_evdev_keys;
}

static void or_binds(const int *binds, int key, int *result)
{
	int t;
	for (t = 0; t < IN_BINDTYPE_COUNT; t++)
		result[t] |= binds[IN_BIND_OFFS(key, t)];
}

/* ORs result with binds of pressed buttons
 * XXX: should measure performance hit of this func, might need to optimize */
int in_evdev_update(void *drv_data, const int *binds, int *result)
{
	struct input_event ev[16];
	struct input_absinfo ainfo;
	int keybits_[KEY_CNT / sizeof(int)];
	int *keybits = keybits_;
	in_evdev_t *dev = drv_data;
	int rd, ret, u, lzone;

	if (dev->kbits == NULL) {
		ret = ioctl(dev->fd, EVIOCGKEY(sizeof(keybits_)), keybits_);
		if (ret == -1) {
			perror("in_evdev: ioctl failed");
			return -1;
		}
	}
	else {
		keybits = dev->kbits;
		while (1) {
			rd = read(dev->fd, ev, sizeof(ev));
			if (rd < (int)sizeof(ev[0])) {
				if (errno != EAGAIN)
					perror("in_evdev: read failed");
				break;
			}
			for (u = 0; u < rd / sizeof(ev[0]); u++) {
				if (ev[u].type != EV_KEY)
					continue;
				else if (ev[u].value == 1)
					KEYBITS_BIT_SET(ev[u].code);
				else if (ev[u].value == 0)
					KEYBITS_BIT_CLEAR(ev[u].code);
			}
		}
	}

	for (u = dev->kc_first; u <= dev->kc_last; u++) {
		if (KEYBITS_BIT(u))
			or_binds(binds, u, result);
	}

	/* map X and Y absolute to UDLR */
	lzone = dev->abs_lzone;
	if (lzone != 0) {
		ret = ioctl(dev->fd, EVIOCGABS(ABS_X), &ainfo);
		if (ret != -1) {
			if (ainfo.value < dev->abs_min_x + lzone) or_binds(binds, KEY_LEFT, result);
			if (ainfo.value > dev->abs_max_x - lzone) or_binds(binds, KEY_RIGHT, result);
		}
	}
	if (lzone != 0) {
		ret = ioctl(dev->fd, EVIOCGABS(ABS_Y), &ainfo);
		if (ret != -1) {
			if (ainfo.value < dev->abs_min_y + lzone) or_binds(binds, KEY_UP, result);
			if (ainfo.value > dev->abs_max_y - lzone) or_binds(binds, KEY_DOWN, result);
		}
	}

	return 0;
}

static int in_evdev_set_blocking(in_evdev_t *dev, int y)
{
	long flags;
	int ret;

	flags = (long)fcntl(dev->fd, F_GETFL);
	if ((int)flags == -1) {
		perror("in_evdev: F_GETFL fcntl failed");
		return -1;
	}

	if (flags & O_NONBLOCK) {
		/* flush the event queue */
		struct input_event ev;
		do {
			ret = read(dev->fd, &ev, sizeof(ev));
		}
		while (ret == sizeof(ev));
	}

	if (y)
		flags &= ~O_NONBLOCK;
	else
		flags |=  O_NONBLOCK;
	ret = fcntl(dev->fd, F_SETFL, flags);
	if (ret == -1) {
		perror("in_evdev: F_SETFL fcntl failed");
		return -1;
	}

	return 0;
}

static int in_evdev_set_config(void *drv_data, int what, int val)
{
	in_evdev_t *dev = drv_data;
	int tmp;

	switch (what) {
	case IN_CFG_BLOCKING:
		return in_evdev_set_blocking(dev, val);
	case IN_CFG_ABS_DEAD_ZONE:
		if (val < 1 || val > 99 || dev->abs_lzone == 0)
			return -1;
		/* XXX: based on X axis only, for now.. */
		tmp = (dev->abs_max_x - dev->abs_min_x) / 2;
		dev->abs_lzone = tmp - tmp * val / 100;
		if (dev->abs_lzone < 1)
			dev->abs_lzone = 1;
		else if (dev->abs_lzone >= tmp)
			dev->abs_lzone = tmp - 1;
		break;
	default:
		return -1;
	}

	return 0;
}

static int in_evdev_update_keycode(void *data, int *is_down)
{
	int ret_kc = -1, ret_down = 0;
	in_evdev_t *dev = data;
	struct input_event ev;
	int rd;

	/* do single event, the caller sometimes wants
	 * to do select() in blocking mode */
	rd = read(dev->fd, &ev, sizeof(ev));
	if (rd < (int) sizeof(ev)) {
		if (errno != EAGAIN) {
			perror("in_evdev: error reading");
			//sleep(1);
			ret_kc = -2;
		}
		goto out;
	}

	if (ev.type == EV_KEY) {
		if (ev.value < 0 || ev.value > 1)
			goto out;
		ret_kc = ev.code;
		ret_down = ev.value;
		goto out;
	}
	else if (ev.type == EV_ABS)
	{
		int lzone = dev->abs_lzone, down = 0, *last;

		// map absolute to up/down/left/right
		if (lzone != 0 && ev.code == ABS_X) {
			if (ev.value < dev->abs_min_x + lzone)
				down = KEY_LEFT;
			else if (ev.value > dev->abs_max_x - lzone)
				down = KEY_RIGHT;
			last = &dev->abs_lastx;
		}
		else if (lzone != 0 && ev.code == ABS_Y) {
			if (ev.value < dev->abs_min_y + lzone)
				down = KEY_UP;
			else if (ev.value > dev->abs_max_y - lzone)
				down = KEY_DOWN;
			last = &dev->abs_lasty;
		}
		else
			goto out;

		if (down == *last)
			goto out;

		if (down == 0 || *last != 0) {
			/* key up or direction change, return up event for old key */
			ret_kc = *last;
			ret_down = 0;
			*last = 0;
			goto out;
		}
		ret_kc = *last = down;
		ret_down = 1;
		goto out;
	}

out:
	if (is_down != NULL)
		*is_down = ret_down;

	return ret_kc;
}

static const struct {
	short key;
	short pbtn;
} key_pbtn_map[] =
{
	{ KEY_UP,	PBTN_UP },
	{ KEY_DOWN,	PBTN_DOWN },
	{ KEY_LEFT,	PBTN_LEFT },
	{ KEY_RIGHT,	PBTN_RIGHT },
	/* XXX: maybe better set this from it's plat code somehow */
	/* Pandora */
	{ KEY_END,	PBTN_MOK },
	{ KEY_PAGEDOWN,	PBTN_MBACK },
	{ KEY_HOME,	PBTN_MA2 },
	{ KEY_PAGEUP,	PBTN_MA3 },
	{ KEY_LEFTCTRL,   PBTN_MENU },
	{ KEY_RIGHTSHIFT, PBTN_L },
	{ KEY_RIGHTCTRL,  PBTN_R },
	/* Caanoo */
	{ BTN_THUMB2,	PBTN_MOK },
	{ BTN_THUMB,	PBTN_MBACK },
	{ BTN_TRIGGER,	PBTN_MA2 },
	{ BTN_TOP,	PBTN_MA3 },
	{ BTN_BASE,	PBTN_MENU },
	{ BTN_TOP2,	PBTN_L },
	{ BTN_PINKIE,	PBTN_R },
	/* "normal" keyboards */
	{ KEY_ENTER,	PBTN_MOK },
	{ KEY_ESC,	PBTN_MBACK },
	{ KEY_A,	PBTN_MA2 },
	{ KEY_S,	PBTN_MA3 },
	{ KEY_BACKSLASH,  PBTN_MENU },
	{ KEY_LEFTBRACE,  PBTN_L },
	{ KEY_RIGHTBRACE, PBTN_R },
};

#define KEY_PBTN_MAP_SIZE (sizeof(key_pbtn_map) / sizeof(key_pbtn_map[0]))

static int in_evdev_menu_translate(void *drv_data, int keycode)
{
	in_evdev_t *dev = drv_data;
	int i;

	if (keycode < 0)
	{
		/* menu -> kc */
		keycode = -keycode;
		for (i = 0; i < KEY_PBTN_MAP_SIZE; i++)
			if (key_pbtn_map[i].pbtn == keycode) {
				int k = key_pbtn_map[i].key;
				/* should really check EVIOCGBIT, but this is enough for now */
				if (dev->kc_first <= k && k <= dev->kc_last)
					return k;
			}
	}
	else
	{
		for (i = 0; i < KEY_PBTN_MAP_SIZE; i++)
			if (key_pbtn_map[i].key == keycode)
				return key_pbtn_map[i].pbtn;
	}

	return 0;
}

/* FIXME: move to plat */
#if 0
static const struct {
	short code;
	char btype;
	char bit;
} in_evdev_def_binds[] =
{
	/* MXYZ SACB RLDU */
	{ KEY_UP,	IN_BINDTYPE_PLAYER12, 0 },
	{ KEY_DOWN,	IN_BINDTYPE_PLAYER12, 1 },
	{ KEY_LEFT,	IN_BINDTYPE_PLAYER12, 2 },
	{ KEY_RIGHT,	IN_BINDTYPE_PLAYER12, 3 },
	{ KEY_S,	IN_BINDTYPE_PLAYER12, 4 },	/* B */
	{ KEY_D,	IN_BINDTYPE_PLAYER12, 5 },	/* C */
	{ KEY_A,	IN_BINDTYPE_PLAYER12, 6 },	/* A */
	{ KEY_ENTER,	IN_BINDTYPE_PLAYER12, 7 },
	{ KEY_BACKSLASH, IN_BINDTYPE_EMU, PEVB_MENU },
	/* Pandora */
	{ KEY_PAGEDOWN,	IN_BINDTYPE_PLAYER12, 4 },
	{ KEY_END,	IN_BINDTYPE_PLAYER12, 5 },
	{ KEY_HOME,	IN_BINDTYPE_PLAYER12, 6 },
	{ KEY_LEFTALT,	IN_BINDTYPE_PLAYER12, 7 },
	{ KEY_RIGHTSHIFT,IN_BINDTYPE_EMU, PEVB_STATE_SAVE },
	{ KEY_RIGHTCTRL, IN_BINDTYPE_EMU, PEVB_STATE_LOAD },
	{ KEY_LEFTCTRL,	 IN_BINDTYPE_EMU, PEVB_MENU },
	/* Caanoo */
	{ BTN_THUMB,	IN_BINDTYPE_PLAYER12, 4 },	/* B */
	{ BTN_THUMB2,	IN_BINDTYPE_PLAYER12, 5 },	/* C */
	{ BTN_TRIGGER,	IN_BINDTYPE_PLAYER12, 6 },	/* A */
	{ BTN_BASE3,	IN_BINDTYPE_PLAYER12, 7 },
	{ BTN_TOP2,	IN_BINDTYPE_EMU, PEVB_STATE_SAVE },
	{ BTN_PINKIE,	IN_BINDTYPE_EMU, PEVB_STATE_LOAD },
	{ BTN_BASE,	IN_BINDTYPE_EMU, PEVB_MENU },
};
#endif

static void in_evdev_get_def_binds(int *binds)
{
	int i;

	for (i = 0; ; i++) {
		if (in_evdev_defbinds[i].bit == 0 && in_evdev_defbinds[i].code == 0)
			break;
		binds[IN_BIND_OFFS(in_evdev_defbinds[i].code, in_evdev_defbinds[i].btype)] =
			1 << in_evdev_defbinds[i].bit;
	}
}

/* remove binds of missing keys, count remaining ones */
static int in_evdev_clean_binds(void *drv_data, int *binds, int *def_binds)
{
	int keybits[KEY_CNT / sizeof(int)];
	in_evdev_t *dev = drv_data;
	int i, t, ret, offs, count = 0;

	memset(keybits, 0, sizeof(keybits));
	ret = ioctl(dev->fd, EVIOCGBIT(EV_KEY, sizeof(keybits)), keybits);
	if (ret == -1) {
		perror("in_evdev: ioctl failed");
		// memset(keybits, 0xff, sizeof(keybits)); /* mark all as good */
	}

	if (dev->abs_lzone != 0) {
		KEYBITS_BIT_SET(KEY_LEFT);
		KEYBITS_BIT_SET(KEY_RIGHT);
	}
	if (dev->abs_lzone != 0) {
		KEYBITS_BIT_SET(KEY_UP);
		KEYBITS_BIT_SET(KEY_DOWN);
	}

	for (i = 0; i < KEY_CNT; i++) {
		for (t = 0; t < IN_BINDTYPE_COUNT; t++) {
			offs = IN_BIND_OFFS(i, t);
			if (!KEYBITS_BIT(i))
				binds[offs] = def_binds[offs] = 0;
			if (binds[offs])
				count++;
		}
	}

	return count;
}

void in_evdev_init(void *vdrv)
{
	in_drv_t *drv = vdrv;

	drv->prefix = in_evdev_prefix;
	drv->probe = in_evdev_probe;
	drv->free = in_evdev_free;
	drv->get_key_names = in_evdev_get_key_names;
	drv->get_def_binds = in_evdev_get_def_binds;
	drv->clean_binds = in_evdev_clean_binds;
	drv->set_config = in_evdev_set_config;
	drv->update_keycode = in_evdev_update_keycode;
	drv->menu_translate = in_evdev_menu_translate;
}
Commit	Line	Data
957a9eac	1	/*
	2	* (C) Gražvydas "notaz" Ignotas, 2008-2010
	3	*
	4	* This work is licensed under the terms of any of these licenses
	5	* (at your option):
	6	* - GNU GPL, version 2 or later.
	7	* - GNU LGPL, version 2.1 or later.
	8	* See the COPYING file in the top-level directory.
	9	*/
	10
d92ea048	11	#include <stdio.h>
86883f7f	12	#include <stdlib.h>
d92ea048	13	#include <string.h>
	14	#include <sys/types.h>
	15	#include <sys/stat.h>
	16	#include <fcntl.h>
	17	#include <sys/ioctl.h>
	18	#include <unistd.h>
	19	#include <linux/input.h>
	20	#include <errno.h>
	21
2258f158	22	#include "../common/input.h"
34581c95	23	#include "in_evdev.h"
d92ea048	24
86883f7f	25	typedef struct {
86883f7f	26	int fd;
0d6fbb2c	27	int *kbits;
e9b29264	28	int abs_min_x;
	29	int abs_max_x;
	30	int abs_min_y;
	31	int abs_max_y;
86883f7f	32	int abs_lzone;
86883f7f	33	int abs_lastx;
86883f7f	34	int abs_lasty;
e9b29264	35	int kc_first;
e9b29264	36	int kc_last;
86883f7f	37	} in_evdev_t;
86883f7f	38
8e77275e	39	#ifndef KEY_CNT
	40	#define KEY_CNT (KEY_MAX + 1)
	41	#endif
	42
da767bd5	43	#define KEYBITS_BIT(x) (keybits[(x)/sizeof(keybits[0])/8] & \
d92ea048	44	(1 << ((x) & (sizeof(keybits[0])*8-1))))
d92ea048	45
86883f7f	46	#define KEYBITS_BIT_SET(x) (keybits[(x)/sizeof(keybits[0])/8] \|= \
	47	(1 << ((x) & (sizeof(keybits[0])*8-1))))
	48
0d6fbb2c	49	#define KEYBITS_BIT_CLEAR(x) (keybits[(x)/sizeof(keybits[0])/8] &= \
	50	~(1 << ((x) & (sizeof(keybits[0])*8-1))))
	51
da767bd5	52	static const char * const in_evdev_prefix = "evdev:";
8e77275e	53	static const char * const in_evdev_keys[KEY_CNT] = {
595491c4	54	[0 ... KEY_MAX] = NULL,
	55	[KEY_RESERVED] = "Reserved", [KEY_ESC] = "Esc",
	56	[KEY_1] = "1", [KEY_2] = "2",
	57	[KEY_3] = "3", [KEY_4] = "4",
	58	[KEY_5] = "5", [KEY_6] = "6",
	59	[KEY_7] = "7", [KEY_8] = "8",
	60	[KEY_9] = "9", [KEY_0] = "0",
	61	[KEY_MINUS] = "Minus", [KEY_EQUAL] = "Equal",
	62	[KEY_BACKSPACE] = "Backspace", [KEY_TAB] = "Tab",
	63	[KEY_Q] = "Q", [KEY_W] = "W",
	64	[KEY_E] = "E", [KEY_R] = "R",
	65	[KEY_T] = "T", [KEY_Y] = "Y",
	66	[KEY_U] = "U", [KEY_I] = "I",
	67	[KEY_O] = "O", [KEY_P] = "P",
	68	[KEY_LEFTBRACE] = "LeftBrace", [KEY_RIGHTBRACE] = "RightBrace",
	69	[KEY_ENTER] = "Enter", [KEY_LEFTCTRL] = "LeftControl",
	70	[KEY_A] = "A", [KEY_S] = "S",
	71	[KEY_D] = "D", [KEY_F] = "F",
	72	[KEY_G] = "G", [KEY_H] = "H",
	73	[KEY_J] = "J", [KEY_K] = "K",
	74	[KEY_L] = "L", [KEY_SEMICOLON] = "Semicolon",
	75	[KEY_APOSTROPHE] = "Apostrophe", [KEY_GRAVE] = "Grave",
	76	[KEY_LEFTSHIFT] = "LeftShift", [KEY_BACKSLASH] = "BackSlash",
	77	[KEY_Z] = "Z", [KEY_X] = "X",
	78	[KEY_C] = "C", [KEY_V] = "V",
	79	[KEY_B] = "B", [KEY_N] = "N",
	80	[KEY_M] = "M", [KEY_COMMA] = "Comma",
	81	[KEY_DOT] = "Dot", [KEY_SLASH] = "Slash",
	82	[KEY_RIGHTSHIFT] = "RightShift", [KEY_KPASTERISK] = "KPAsterisk",
	83	[KEY_LEFTALT] = "LeftAlt", [KEY_SPACE] = "Space",
	84	[KEY_CAPSLOCK] = "CapsLock", [KEY_F1] = "F1",
	85	[KEY_F2] = "F2", [KEY_F3] = "F3",
	86	[KEY_F4] = "F4", [KEY_F5] = "F5",
	87	[KEY_F6] = "F6", [KEY_F7] = "F7",
	88	[KEY_F8] = "F8", [KEY_F9] = "F9",
	89	[KEY_F10] = "F10", [KEY_NUMLOCK] = "NumLock",
	90	[KEY_SCROLLLOCK] = "ScrollLock", [KEY_KP7] = "KP7",
	91	[KEY_KP8] = "KP8", [KEY_KP9] = "KP9",
	92	[KEY_KPMINUS] = "KPMinus", [KEY_KP4] = "KP4",
	93	[KEY_KP5] = "KP5", [KEY_KP6] = "KP6",
	94	[KEY_KPPLUS] = "KPPlus", [KEY_KP1] = "KP1",
	95	[KEY_KP2] = "KP2", [KEY_KP3] = "KP3",
	96	[KEY_KP0] = "KP0", [KEY_KPDOT] = "KPDot",
	97	[KEY_ZENKAKUHANKAKU] = "Zenkaku/Hankaku", [KEY_102ND] = "102nd",
	98	[KEY_F11] = "F11", [KEY_F12] = "F12",
	99	[KEY_KPJPCOMMA] = "KPJpComma", [KEY_KPENTER] = "KPEnter",
	100	[KEY_RIGHTCTRL] = "RightCtrl", [KEY_KPSLASH] = "KPSlash",
	101	[KEY_SYSRQ] = "SysRq", [KEY_RIGHTALT] = "RightAlt",
	102	[KEY_LINEFEED] = "LineFeed", [KEY_HOME] = "Home",
	103	[KEY_UP] = "Up", [KEY_PAGEUP] = "PageUp",
	104	[KEY_LEFT] = "Left", [KEY_RIGHT] = "Right",
	105	[KEY_END] = "End", [KEY_DOWN] = "Down",
	106	[KEY_PAGEDOWN] = "PageDown", [KEY_INSERT] = "Insert",
	107	[KEY_DELETE] = "Delete", [KEY_MACRO] = "Macro",
	108	[KEY_HELP] = "Help", [KEY_MENU] = "Menu",
	109	[KEY_COFFEE] = "Coffee", [KEY_DIRECTION] = "Direction",
	110	[BTN_0] = "Btn0", [BTN_1] = "Btn1",
	111	[BTN_2] = "Btn2", [BTN_3] = "Btn3",
	112	[BTN_4] = "Btn4", [BTN_5] = "Btn5",
	113	[BTN_6] = "Btn6", [BTN_7] = "Btn7",
	114	[BTN_8] = "Btn8", [BTN_9] = "Btn9",
	115	[BTN_LEFT] = "LeftBtn", [BTN_RIGHT] = "RightBtn",
	116	[BTN_MIDDLE] = "MiddleBtn", [BTN_SIDE] = "SideBtn",
	117	[BTN_EXTRA] = "ExtraBtn", [BTN_FORWARD] = "ForwardBtn",
118	[BTN_BACK] = "BackBtn", [BTN_TASK] = "TaskBtn",
119	[BTN_TRIGGER] = "Trigger", [BTN_THUMB] = "ThumbBtn",
120	[BTN_THUMB2] = "ThumbBtn2", [BTN_TOP] = "TopBtn",
121	[BTN_TOP2] = "TopBtn2", [BTN_PINKIE] = "PinkieBtn",
122	[BTN_BASE] = "BaseBtn", [BTN_BASE2] = "BaseBtn2",
123	[BTN_BASE3] = "BaseBtn3", [BTN_BASE4] = "BaseBtn4",
124	[BTN_BASE5] = "BaseBtn5", [BTN_BASE6] = "BaseBtn6",
125	[BTN_DEAD] = "BtnDead", [BTN_A] = "BtnA",
126	[BTN_B] = "BtnB", [BTN_C] = "BtnC",
127	[BTN_X] = "BtnX", [BTN_Y] = "BtnY",
128	[BTN_Z] = "BtnZ", [BTN_TL] = "BtnTL",
129	[BTN_TR] = "BtnTR", [BTN_TL2] = "BtnTL2",
130	[BTN_TR2] = "BtnTR2", [BTN_SELECT] = "BtnSelect",
131	[BTN_START] = "BtnStart", [BTN_MODE] = "BtnMode",
132	[BTN_THUMBL] = "BtnThumbL", [BTN_THUMBR] = "BtnThumbR",
133	[BTN_TOUCH] = "Touch", [BTN_STYLUS] = "Stylus",
134	[BTN_STYLUS2] = "Stylus2", [BTN_TOOL_DOUBLETAP] = "Tool Doubletap",
135	[BTN_TOOL_TRIPLETAP] = "Tool Tripletap", [BTN_GEAR_DOWN] = "WheelBtn",
136	[BTN_GEAR_UP] = "Gear up", [KEY_OK] = "Ok",
137	};
138
139
da767bd5	140	static void in_evdev_probe(void)
d92ea048	141	{
fbe11103	142	long keybits[KEY_CNT / sizeof(long) / 8];
fbe11103	143	long absbits[(ABS_MAX+1) / sizeof(long) / 8];
d92ea048	144	int i;
d92ea048	145
fbe11103	146	// the kernel might support and return less keys then we know about,
	147	// so make sure the buffers are clear.
	148	memset(keybits, 0, sizeof(keybits));
	149	memset(absbits, 0, sizeof(absbits));
	150
2258f158	151	for (i = 0;; i++)
d92ea048	152	{
d92ea048	153	int support = 0, count = 0;
e9b29264	154	int u, ret, fd, kc_first, kc_last;
86883f7f	155	in_evdev_t *dev;
d92ea048	156	char name[64];
	157
	158	snprintf(name, sizeof(name), "/dev/input/event%d", i);
0b3e1198	159	fd = open(name, O_RDONLY\|O_NONBLOCK);
8e77275e	160	if (fd == -1) {
	161	if (errno == EACCES)
	162	continue; /* maybe we can access next one */
d92ea048	163	break;
8e77275e	164	}
d92ea048	165
	166	/* check supported events */
	167	ret = ioctl(fd, EVIOCGBIT(0, sizeof(support)), &support);
	168	if (ret == -1) {
2258f158	169	printf("in_evdev: ioctl failed on %s\n", name);
d92ea048	170	goto skip;
	171	}
	172
	173	if (!(support & (1 << EV_KEY)))
	174	goto skip;
	175
	176	ret = ioctl(fd, EVIOCGBIT(EV_KEY, sizeof(keybits)), keybits);
	177	if (ret == -1) {
2258f158	178	printf("in_evdev: ioctl failed on %s\n", name);
d92ea048	179	goto skip;
	180	}
	181
d92ea048	182	/* check for interesting keys */
e9b29264	183	kc_first = KEY_MAX;
e9b29264	184	kc_last = 0;
8e77275e	185	for (u = 0; u < KEY_CNT; u++) {
e9b29264	186	if (KEYBITS_BIT(u)) {
	187	if (u < kc_first)
	188	kc_first = u;
	189	if (u > kc_last)
	190	kc_last = u;
	191	if (u != KEY_POWER && u != KEY_SLEEP && u != BTN_TOUCH)
	192	count++;
	193	}
d92ea048	194	}
	195
	196	if (count == 0)
	197	goto skip;
	198
86883f7f	199	dev = calloc(1, sizeof(*dev));
	200	if (dev == NULL)
	201	goto skip;
	202
0d6fbb2c	203	ret = ioctl(fd, EVIOCGKEY(sizeof(keybits)), keybits);
	204	if (ret == -1) {
	205	printf("Warning: EVIOCGKEY not supported, will have to track state\n");
	206	dev->kbits = calloc(KEY_CNT, sizeof(int));
	207	if (dev->kbits == NULL) {
	208	free(dev);
	209	goto skip;
	210	}
	211	}
	212
86883f7f	213	/* check for abs too */
	214	if (support & (1 << EV_ABS)) {
	215	struct input_absinfo ainfo;
	216	int dist;
	217	ret = ioctl(fd, EVIOCGBIT(EV_ABS, sizeof(absbits)), absbits);
	218	if (ret == -1)
	219	goto no_abs;
	220	if (absbits[0] & (1 << ABS_X)) {
	221	ret = ioctl(fd, EVIOCGABS(ABS_X), &ainfo);
	222	if (ret == -1)
	223	goto no_abs;
	224	dist = ainfo.maximum - ainfo.minimum;
e9b29264	225	dev->abs_lzone = dist / 4;
	226	dev->abs_min_x = ainfo.minimum;
	227	dev->abs_max_x = ainfo.maximum;
86883f7f	228	}
	229	if (absbits[0] & (1 << ABS_Y)) {
	230	ret = ioctl(fd, EVIOCGABS(ABS_Y), &ainfo);
	231	if (ret == -1)
	232	goto no_abs;
	233	dist = ainfo.maximum - ainfo.minimum;
e9b29264	234	dev->abs_min_y = ainfo.minimum;
e9b29264	235	dev->abs_max_y = ainfo.maximum;
86883f7f	236	}
	237	}
	238
	239	no_abs:
	240	dev->fd = fd;
e9b29264	241	dev->kc_first = kc_first;
e9b29264	242	dev->kc_last = kc_last;
da767bd5	243	strcpy(name, in_evdev_prefix);
2258f158	244	ioctl(fd, EVIOCGNAME(sizeof(name)-6), name+6);
	245	printf("in_evdev: found \"%s\" with %d events (type %08x)\n",
	246	name+6, count, support);
e9b29264	247	in_register(name, IN_DRVID_EVDEV, fd, dev, KEY_CNT, in_evdev_keys, 0);
d92ea048	248	continue;
	249
	250	skip:
	251	close(fd);
	252	}
d92ea048	253	}
d92ea048	254
da767bd5	255	static void in_evdev_free(void *drv_data)
2258f158	256	{
86883f7f	257	in_evdev_t *dev = drv_data;
	258	if (dev == NULL)
	259	return;
	260	close(dev->fd);
	261	free(dev);
2258f158	262	}
2258f158	263
090c1b1a	264	static const char * const *
090c1b1a	265	in_evdev_get_key_names(int *count)
d92ea048	266	{
090c1b1a	267	*count = KEY_CNT;
090c1b1a	268	return in_evdev_keys;
d92ea048	269	}
d92ea048	270
8e77275e	271	static void or_binds(const int binds, int key, int result)
	272	{
	273	int t;
	274	for (t = 0; t < IN_BINDTYPE_COUNT; t++)
	275	result[t] \|= binds[IN_BIND_OFFS(key, t)];
	276	}
	277
	278	/* ORs result with binds of pressed buttons
	279	* XXX: should measure performance hit of this func, might need to optimize */
	280	int in_evdev_update(void drv_data, const int binds, int *result)
d92ea048	281	{
d92ea048	282	struct input_event ev[16];
86883f7f	283	struct input_absinfo ainfo;
0d6fbb2c	284	int keybits_[KEY_CNT / sizeof(int)];
0d6fbb2c	285	int *keybits = keybits_;
86883f7f	286	in_evdev_t *dev = drv_data;
e9b29264	287	int rd, ret, u, lzone;
d92ea048	288
0d6fbb2c	289	if (dev->kbits == NULL) {
782b026e	290	ret = ioctl(dev->fd, EVIOCGKEY(sizeof(keybits_)), keybits_);
0d6fbb2c	291	if (ret == -1) {
	292	perror("in_evdev: ioctl failed");
	293	return -1;
d92ea048	294	}
2258f158	295	}
0d6fbb2c	296	else {
	297	keybits = dev->kbits;
	298	while (1) {
	299	rd = read(dev->fd, ev, sizeof(ev));
	300	if (rd < (int)sizeof(ev[0])) {
	301	if (errno != EAGAIN)
	302	perror("in_evdev: read failed");
	303	break;
	304	}
	305	for (u = 0; u < rd / sizeof(ev[0]); u++) {
	306	if (ev[u].type != EV_KEY)
	307	continue;
	308	else if (ev[u].value == 1)
	309	KEYBITS_BIT_SET(ev[u].code);
	310	else if (ev[u].value == 0)
	311	KEYBITS_BIT_CLEAR(ev[u].code);
	312	}
	313	}
2258f158	314	}
d92ea048	315
e9b29264	316	for (u = dev->kc_first; u <= dev->kc_last; u++) {
8e77275e	317	if (KEYBITS_BIT(u))
8e77275e	318	or_binds(binds, u, result);
d92ea048	319	}
d92ea048	320
86883f7f	321	/* map X and Y absolute to UDLR */
e9b29264	322	lzone = dev->abs_lzone;
e9b29264	323	if (lzone != 0) {
86883f7f	324	ret = ioctl(dev->fd, EVIOCGABS(ABS_X), &ainfo);
86883f7f	325	if (ret != -1) {
e9b29264	326	if (ainfo.value < dev->abs_min_x + lzone) or_binds(binds, KEY_LEFT, result);
e9b29264	327	if (ainfo.value > dev->abs_max_x - lzone) or_binds(binds, KEY_RIGHT, result);
86883f7f	328	}
86883f7f	329	}
e9b29264	330	if (lzone != 0) {
86883f7f	331	ret = ioctl(dev->fd, EVIOCGABS(ABS_Y), &ainfo);
86883f7f	332	if (ret != -1) {
e9b29264	333	if (ainfo.value < dev->abs_min_y + lzone) or_binds(binds, KEY_UP, result);
e9b29264	334	if (ainfo.value > dev->abs_max_y - lzone) or_binds(binds, KEY_DOWN, result);
86883f7f	335	}
	336	}
	337
8e77275e	338	return 0;
d92ea048	339	}
d92ea048	340
e9b29264	341	static int in_evdev_set_blocking(in_evdev_t *dev, int y)
34581c95	342	{
34581c95	343	long flags;
595491c4	344	int ret;
34581c95	345
86883f7f	346	flags = (long)fcntl(dev->fd, F_GETFL);
595491c4	347	if ((int)flags == -1) {
595491c4	348	perror("in_evdev: F_GETFL fcntl failed");
e9b29264	349	return -1;
34581c95	350	}
0c2e114e	351
	352	if (flags & O_NONBLOCK) {
	353	/* flush the event queue */
	354	struct input_event ev;
	355	do {
	356	ret = read(dev->fd, &ev, sizeof(ev));
	357	}
	358	while (ret == sizeof(ev));
	359	}
	360
595491c4	361	if (y)
	362	flags &= ~O_NONBLOCK;
	363	else
	364	flags \|= O_NONBLOCK;
86883f7f	365	ret = fcntl(dev->fd, F_SETFL, flags);
e9b29264	366	if (ret == -1) {
595491c4	367	perror("in_evdev: F_SETFL fcntl failed");
e9b29264	368	return -1;
	369	}
	370
	371	return 0;
	372	}
	373
	374	static int in_evdev_set_config(void *drv_data, int what, int val)
	375	{
	376	in_evdev_t *dev = drv_data;
	377	int tmp;
	378
	379	switch (what) {
	380	case IN_CFG_BLOCKING:
	381	return in_evdev_set_blocking(dev, val);
	382	case IN_CFG_ABS_DEAD_ZONE:
	383	if (val < 1 \|\| val > 99 \|\| dev->abs_lzone == 0)
	384	return -1;
	385	/* XXX: based on X axis only, for now.. */
	386	tmp = (dev->abs_max_x - dev->abs_min_x) / 2;
	387	dev->abs_lzone = tmp - tmp * val / 100;
	388	if (dev->abs_lzone < 1)
	389	dev->abs_lzone = 1;
	390	else if (dev->abs_lzone >= tmp)
	391	dev->abs_lzone = tmp - 1;
	392	break;
	393	default:
	394	return -1;
	395	}
	396
	397	return 0;
595491c4	398	}
595491c4	399
7f022a8d	400	static int in_evdev_update_keycode(void data, int is_down)
595491c4	401	{
e9b29264	402	int ret_kc = -1, ret_down = 0;
7f022a8d	403	in_evdev_t *dev = data;
	404	struct input_event ev;
	405	int rd;
906bdc9f	406
e3068458	407	/* do single event, the caller sometimes wants
	408	* to do select() in blocking mode */
	409	rd = read(dev->fd, &ev, sizeof(ev));
	410	if (rd < (int) sizeof(ev)) {
	411	if (errno != EAGAIN) {
	412	perror("in_evdev: error reading");
090c1b1a	413	//sleep(1);
090c1b1a	414	ret_kc = -2;
74065be8	415	}
e3068458	416	goto out;
e3068458	417	}
e9b29264	418
e3068458	419	if (ev.type == EV_KEY) {
e3068458	420	if (ev.value < 0 \|\| ev.value > 1)
e9b29264	421	goto out;
e3068458	422	ret_kc = ev.code;
	423	ret_down = ev.value;
	424	goto out;
	425	}
	426	else if (ev.type == EV_ABS)
	427	{
	428	int lzone = dev->abs_lzone, down = 0, *last;
	429
	430	// map absolute to up/down/left/right
	431	if (lzone != 0 && ev.code == ABS_X) {
	432	if (ev.value < dev->abs_min_x + lzone)
	433	down = KEY_LEFT;
	434	else if (ev.value > dev->abs_max_x - lzone)
	435	down = KEY_RIGHT;
	436	last = &dev->abs_lastx;
74065be8	437	}
e3068458	438	else if (lzone != 0 && ev.code == ABS_Y) {
	439	if (ev.value < dev->abs_min_y + lzone)
	440	down = KEY_UP;
	441	else if (ev.value > dev->abs_max_y - lzone)
	442	down = KEY_DOWN;
	443	last = &dev->abs_lasty;
	444	}
	445	else
	446	goto out;
	447
	448	if (down == *last)
	449	goto out;
	450
	451	if (down == 0 \|\| *last != 0) {
	452	/* key up or direction change, return up event for old key */
	453	ret_kc = *last;
	454	ret_down = 0;
	455	*last = 0;
e9b29264	456	goto out;
34581c95	457	}
e3068458	458	ret_kc = *last = down;
	459	ret_down = 1;
	460	goto out;
34581c95	461	}
7f022a8d	462
e9b29264	463	out:
	464	if (is_down != NULL)
	465	*is_down = ret_down;
	466
	467	return ret_kc;
595491c4	468	}
34581c95	469
82abf46f	470	static const struct {
	471	short key;
	472	short pbtn;
	473	} key_pbtn_map[] =
	474	{
	475	{ KEY_UP, PBTN_UP },
	476	{ KEY_DOWN, PBTN_DOWN },
	477	{ KEY_LEFT, PBTN_LEFT },
	478	{ KEY_RIGHT, PBTN_RIGHT },
e9b29264	479	/* XXX: maybe better set this from it's plat code somehow */
e9b29264	480	/* Pandora */
f6eaae4f	481	{ KEY_END, PBTN_MOK },
f6eaae4f	482	{ KEY_PAGEDOWN, PBTN_MBACK },
f6eaae4f	483	{ KEY_HOME, PBTN_MA2 },
f6eaae4f	484	{ KEY_PAGEUP, PBTN_MA3 },
b2c5ee47	485	{ KEY_LEFTCTRL, PBTN_MENU },
f6eaae4f	486	{ KEY_RIGHTSHIFT, PBTN_L },
f6eaae4f	487	{ KEY_RIGHTCTRL, PBTN_R },
e9b29264	488	/* Caanoo */
	489	{ BTN_THUMB2, PBTN_MOK },
	490	{ BTN_THUMB, PBTN_MBACK },
	491	{ BTN_TRIGGER, PBTN_MA2 },
	492	{ BTN_TOP, PBTN_MA3 },
	493	{ BTN_BASE, PBTN_MENU },
	494	{ BTN_TOP2, PBTN_L },
	495	{ BTN_PINKIE, PBTN_R },
	496	/* "normal" keyboards */
	497	{ KEY_ENTER, PBTN_MOK },
	498	{ KEY_ESC, PBTN_MBACK },
	499	{ KEY_A, PBTN_MA2 },
	500	{ KEY_S, PBTN_MA3 },
	501	{ KEY_BACKSLASH, PBTN_MENU },
	502	{ KEY_LEFTBRACE, PBTN_L },
82abf46f	503	{ KEY_RIGHTBRACE, PBTN_R },
	504	};
	505
	506	#define KEY_PBTN_MAP_SIZE (sizeof(key_pbtn_map) / sizeof(key_pbtn_map[0]))
	507
e9b29264	508	static int in_evdev_menu_translate(void *drv_data, int keycode)
595491c4	509	{
e9b29264	510	in_evdev_t *dev = drv_data;
82abf46f	511	int i;
e9b29264	512
82abf46f	513	if (keycode < 0)
	514	{
	515	/* menu -> kc */
	516	keycode = -keycode;
	517	for (i = 0; i < KEY_PBTN_MAP_SIZE; i++)
e9b29264	518	if (key_pbtn_map[i].pbtn == keycode) {
	519	int k = key_pbtn_map[i].key;
	520	/* should really check EVIOCGBIT, but this is enough for now */
	521	if (dev->kc_first <= k && k <= dev->kc_last)
	522	return k;
	523	}
34581c95	524	}
82abf46f	525	else
	526	{
	527	for (i = 0; i < KEY_PBTN_MAP_SIZE; i++)
	528	if (key_pbtn_map[i].key == keycode)
	529	return key_pbtn_map[i].pbtn;
	530	}
	531
	532	return 0;
595491c4	533	}
34581c95	534
9a58d7d6	535	/* FIXME: move to plat */
9a58d7d6	536	#if 0
da767bd5	537	static const struct {
da767bd5	538	short code;
8e77275e	539	char btype;
8e77275e	540	char bit;
da767bd5	541	} in_evdev_def_binds[] =
	542	{
	543	/* MXYZ SACB RLDU */
8e77275e	544	{ KEY_UP, IN_BINDTYPE_PLAYER12, 0 },
	545	{ KEY_DOWN, IN_BINDTYPE_PLAYER12, 1 },
	546	{ KEY_LEFT, IN_BINDTYPE_PLAYER12, 2 },
	547	{ KEY_RIGHT, IN_BINDTYPE_PLAYER12, 3 },
	548	{ KEY_S, IN_BINDTYPE_PLAYER12, 4 }, /* B */
8e77275e	549	{ KEY_D, IN_BINDTYPE_PLAYER12, 5 }, /* C */
8e77275e	550	{ KEY_A, IN_BINDTYPE_PLAYER12, 6 }, /* A */
8e77275e	551	{ KEY_ENTER, IN_BINDTYPE_PLAYER12, 7 },
e9b29264	552	{ KEY_BACKSLASH, IN_BINDTYPE_EMU, PEVB_MENU },
	553	/* Pandora */
	554	{ KEY_PAGEDOWN, IN_BINDTYPE_PLAYER12, 4 },
	555	{ KEY_END, IN_BINDTYPE_PLAYER12, 5 },
	556	{ KEY_HOME, IN_BINDTYPE_PLAYER12, 6 },
b2c5ee47	557	{ KEY_LEFTALT, IN_BINDTYPE_PLAYER12, 7 },
f6eaae4f	558	{ KEY_RIGHTSHIFT,IN_BINDTYPE_EMU, PEVB_STATE_SAVE },
	559	{ KEY_RIGHTCTRL, IN_BINDTYPE_EMU, PEVB_STATE_LOAD },
	560	{ KEY_LEFTCTRL, IN_BINDTYPE_EMU, PEVB_MENU },
e9b29264	561	/* Caanoo */
	562	{ BTN_THUMB, IN_BINDTYPE_PLAYER12, 4 }, /* B */
	563	{ BTN_THUMB2, IN_BINDTYPE_PLAYER12, 5 }, /* C */
	564	{ BTN_TRIGGER, IN_BINDTYPE_PLAYER12, 6 }, /* A */
	565	{ BTN_BASE3, IN_BINDTYPE_PLAYER12, 7 },
	566	{ BTN_TOP2, IN_BINDTYPE_EMU, PEVB_STATE_SAVE },
	567	{ BTN_PINKIE, IN_BINDTYPE_EMU, PEVB_STATE_LOAD },
	568	{ BTN_BASE, IN_BINDTYPE_EMU, PEVB_MENU },
da767bd5	569	};
9a58d7d6	570	#endif
da767bd5	571
	572	static void in_evdev_get_def_binds(int *binds)
	573	{
	574	int i;
	575
39771a7c	576	for (i = 0; ; i++) {
	577	if (in_evdev_defbinds[i].bit == 0 && in_evdev_defbinds[i].code == 0)
	578	break;
9a58d7d6	579	binds[IN_BIND_OFFS(in_evdev_defbinds[i].code, in_evdev_defbinds[i].btype)] =
	580	1 << in_evdev_defbinds[i].bit;
	581	}
da767bd5	582	}
da767bd5	583
86883f7f	584	/* remove binds of missing keys, count remaining ones */
8e77275e	585	static int in_evdev_clean_binds(void drv_data, int binds, int *def_binds)
da767bd5	586	{
8e77275e	587	int keybits[KEY_CNT / sizeof(int)];
86883f7f	588	in_evdev_t *dev = drv_data;
8e77275e	589	int i, t, ret, offs, count = 0;
da767bd5	590
bde5dcbb	591	memset(keybits, 0, sizeof(keybits));
86883f7f	592	ret = ioctl(dev->fd, EVIOCGBIT(EV_KEY, sizeof(keybits)), keybits);
da767bd5	593	if (ret == -1) {
da767bd5	594	perror("in_evdev: ioctl failed");
bde5dcbb	595	// memset(keybits, 0xff, sizeof(keybits)); /* mark all as good */
da767bd5	596	}
da767bd5	597
86883f7f	598	if (dev->abs_lzone != 0) {
	599	KEYBITS_BIT_SET(KEY_LEFT);
	600	KEYBITS_BIT_SET(KEY_RIGHT);
	601	}
e9b29264	602	if (dev->abs_lzone != 0) {
86883f7f	603	KEYBITS_BIT_SET(KEY_UP);
	604	KEYBITS_BIT_SET(KEY_DOWN);
	605	}
	606
8e77275e	607	for (i = 0; i < KEY_CNT; i++) {
	608	for (t = 0; t < IN_BINDTYPE_COUNT; t++) {
	609	offs = IN_BIND_OFFS(i, t);
	610	if (!KEYBITS_BIT(i))
	611	binds[offs] = def_binds[offs] = 0;
	612	if (binds[offs])
	613	count++;
	614	}
da767bd5	615	}
	616
	617	return count;
	618	}
	619
	620	void in_evdev_init(void *vdrv)
	621	{
	622	in_drv_t *drv = vdrv;
	623
	624	drv->prefix = in_evdev_prefix;
	625	drv->probe = in_evdev_probe;
	626	drv->free = in_evdev_free;
090c1b1a	627	drv->get_key_names = in_evdev_get_key_names;
da767bd5	628	drv->get_def_binds = in_evdev_get_def_binds;
da767bd5	629	drv->clean_binds = in_evdev_clean_binds;
e9b29264	630	drv->set_config = in_evdev_set_config;
7f022a8d	631	drv->update_keycode = in_evdev_update_keycode;
da767bd5	632	drv->menu_translate = in_evdev_menu_translate;
da767bd5	633	}
da767bd5	634