X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=linux%2Fin_evdev.c;h=7dd631e43e832157af5eb09a965be879f7f64b7e;hb=f342bededbe5d51afd1632e689f5105e50d4f63e;hp=264b182520505dccf322a9aaf0fdb937106c7e6e;hpb=289cd18ef05c122c79ae2483740851b43a53b7ff;p=libpicofe.git

diff --git a/linux/in_evdev.c b/linux/in_evdev.c
index 264b182..7dd631e 100644
--- a/linux/in_evdev.c
+++ b/linux/in_evdev.c
@@ -1,4 +1,15 @@
+/*
+ * (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>
@@ -9,25 +20,157 @@
 #include <errno.h>
 
 #include "../common/input.h"
-#include "event.h"
+#include "in_evdev.h"
+
+#define MAX_ABS_DEVS 8
+
+typedef struct {
+	int fd;
+	int *kbits;
+	int abs_min_x; /* abs->digital mapping */
+	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;
+	unsigned int abs_count;
+	/* 16.16 multiplier to IN_ABS_RANGE */
+	unsigned int abs_mult[MAX_ABS_DEVS];
+	unsigned int abs_to_digital:1;
+} in_evdev_t;
 
-#define BIT(x) (keybits[(x)/sizeof(keybits[0])/8] & \
+#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))))
 
-int in_evdev_probe(void)
+#define KEYBITS_BIT_CLEAR(x) (keybits[(x)/sizeof(keybits[0])/8] &= \
+	~(1 << ((x) & (sizeof(keybits[0])*8-1))))
+
+int in_evdev_allow_abs_only;
+
+#define 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 u, ret, fd, keybits[KEY_MAX/sizeof(int)];
 		int support = 0, count = 0;
+		int u, ret, fd, kc_first = KEY_MAX, kc_last = 0, have_abs = 0;
+		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 (fd == -1) {
+			if (errno == EACCES)
+				continue;	/* maybe we can access next one */
 			break;
+		}
 
 		/* check supported events */
 		ret = ioctl(fd, EVIOCGBIT(0, sizeof(support)), &support);
@@ -36,86 +179,474 @@ int in_evdev_probe(void)
 			goto skip;
 		}
 
-		if (!(support & (1 << EV_KEY)))
+		if (support & (1 << EV_KEY)) {
+			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 */
+			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 (u == BTN_TOUCH) /* we can't deal with ts currently */
+						goto skip;
+				}
+			}
+		}
+
+		dev = calloc(1, sizeof(*dev));
+		if (dev == NULL)
 			goto skip;
 
-		ret = ioctl(fd, EVIOCGBIT(EV_KEY, sizeof(keybits)), keybits);
+		ret = ioctl(fd, EVIOCGKEY(sizeof(keybits)), keybits);
 		if (ret == -1) {
-			printf("in_evdev: ioctl failed on %s\n", name);
-			goto skip;
+			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 interesting keys */
-		for (u = 0; u < KEY_MAX; u++) {
-			if (BIT(u) && u != KEY_POWER && u != KEY_SLEEP)
-				count++;
+		/* 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;
+			}
+			for (u = 0; u < MAX_ABS_DEVS; u++) {
+				ret = ioctl(fd, EVIOCGABS(u), &ainfo);
+				if (ret == -1)
+					break;
+				dist = ainfo.maximum - ainfo.minimum;
+				if (dist != 0)
+					dev->abs_mult[u] = IN_ABS_RANGE * 2 * 65536 / dist;
+				have_abs = 1;
+			}
+			dev->abs_count = u;
 		}
 
-		if (count == 0)
+no_abs:
+		if (count == 0 && !have_abs) {
+			free(dev);
 			goto skip;
+		}
 
-		strcpy(name, "evdev:");
+		dev->fd = fd;
+		dev->kc_first = kc_first;
+		dev->kc_last = kc_last;
+		if (count > 0 || in_evdev_allow_abs_only)
+			dev->abs_to_digital = 1;
+		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, (void *)fd);
+		in_register(name, fd, dev, KEY_CNT, in_evdev_keys, 0);
 		continue;
 
 skip:
 		close(fd);
 	}
+}
 
-	return 0;
+static void in_evdev_free(void *drv_data)
+{
+	in_evdev_t *dev = drv_data;
+	if (dev == NULL)
+		return;
+	close(dev->fd);
+	free(dev);
 }
 
-void in_evdev_free(void *drv_data)
+static const char * const *
+in_evdev_get_key_names(int *count)
 {
-	close((int)drv_data);
+	*count = KEY_CNT;
+	return in_evdev_keys;
 }
 
-int in_evdev_bind_count(void)
+static void or_binds(const int *binds, int key, int *result)
 {
-	return 512;
+	int t;
+	for (t = 0; t < IN_BINDTYPE_COUNT; t++)
+		result[t] |= binds[IN_BIND_OFFS(key, t)];
 }
 
-int in_evdev_update(void *drv_data, int *binds)
+/* ORs result with binds of pressed buttons
+ * XXX: should measure performance hit of this func, might need to optimize */
+static int in_evdev_update(void *drv_data, const int *binds, int *result)
 {
 	struct input_event ev[16];
-	int keybits[KEY_MAX/sizeof(int)];
-	int fd = (int)drv_data;
-	int result = 0, changed = 0;
-	int rd, ret, u;
-
-	while (1) {
-		rd = read(fd, ev, sizeof(ev));
-		if (rd < (int)sizeof(ev[0])) {
-			if (errno != EAGAIN)
-				perror("in_evdev: read failed");
-			break;
+	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 (dev->abs_to_digital && 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);
+		}
+		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_update_analog(void *drv_data, int axis_id, int *result)
+{
+	struct input_absinfo ainfo;
+	in_evdev_t *dev = drv_data;
+	int ret;
+
+	if ((unsigned int)axis_id >= MAX_ABS_DEVS)
+		return -1;
+
+	ret = ioctl(dev->fd, EVIOCGABS(axis_id), &ainfo);
+	if (ret != 0)
+		return ret;
+
+	*result = (int)(ainfo.value * dev->abs_mult[axis_id]) >> 16;
+	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));
+	}
 
-		changed = 1;
+	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;
 	}
 
-/*
-	if (!changed)
-		return 0;
-*/
-	ret = ioctl(fd, EVIOCGKEY(sizeof(keybits)), keybits);
+	return 0;
+}
+
+static int in_evdev_get_config(void *drv_data, int what, int *val)
+{
+	in_evdev_t *dev = drv_data;
+
+	switch (what) {
+	case IN_CFG_ABS_AXIS_COUNT:
+		*val = dev->abs_count;
+		break;
+	default:
+		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 && dev->abs_to_digital)
+	{
+		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;
+}
+
+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");
-		return 0;
+		// memset(keybits, 0xff, sizeof(keybits)); /* mark all as good */
 	}
 
-	printf("#%d: ", fd);
-	for (u = 0; u < KEY_MAX; u++) {
-		if (BIT(u)) {
-			printf(" %d", u);
-			result |= binds[u];
+	if (dev->abs_to_digital && dev->abs_lzone != 0) {
+		KEYBITS_BIT_SET(KEY_LEFT);
+		KEYBITS_BIT_SET(KEY_RIGHT);
+		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++;
 		}
 	}
-	printf("\n");
 
-	return result;
+	return count;
+}
+
+static const in_drv_t in_evdev_drv = {
+	.prefix         = IN_EVDEV_PREFIX,
+	.probe          = in_evdev_probe,
+	.free           = in_evdev_free,
+	.get_key_names  = in_evdev_get_key_names,
+	.get_def_binds  = in_evdev_get_def_binds,
+	.clean_binds    = in_evdev_clean_binds,
+	.get_config     = in_evdev_get_config,
+	.set_config     = in_evdev_set_config,
+	.update         = in_evdev_update,
+	.update_analog  = in_evdev_update_analog,
+	.update_keycode = in_evdev_update_keycode,
+	.menu_translate = in_evdev_menu_translate,
+};
+
+void in_evdev_init(void)
+{
+	in_register_driver(&in_evdev_drv);
 }