pull in more code from PicoDrive

6 files changed, 1080 insertions, 1 deletions

diff --git a/frontend/linux/fbdev.c b/frontend/linux/fbdev.c
index fffe979..b4889ea 100644
--- a/frontend/linux/fbdev.c
+++ b/frontend/linux/fbdev.c
@@ -1,7 +1,10 @@
 /*
  * (C) Gražvydas "notaz" Ignotas, 2009-2010
  *
- * This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
+ * 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.
  */
 
diff --git a/frontend/linux/in_evdev.c b/frontend/linux/in_evdev.c
new file mode 100644
index 0000000..0b73302
--- /dev/null
+++ b/frontend/linux/in_evdev.c
@@ -0,0 +1,629 @@
+/*
+ * (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 int in_evdev_get_bind_count(void)
+{
+	return KEY_CNT;
+}
+
+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;
+
+	while (1)
+	{
+		rd = read(dev->fd, &ev, sizeof(ev));
+		if (rd < (int) sizeof(ev)) {
+			if (errno != EAGAIN) {
+				perror("in_evdev: error reading");
+				sleep(1);
+			}
+			goto out;
+		}
+
+		if (ev.type == EV_KEY) {
+			if (ev.value < 0 || ev.value > 1)
+				continue;
+			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
+				continue;
+
+			if (down == *last)
+				continue;
+
+			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; in_evdev_defbinds[i].bit != 0; i++) {
+		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;
+
+	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_bind_count = in_evdev_get_bind_count;
+	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;
+}
+
diff --git a/frontend/linux/in_evdev.h b/frontend/linux/in_evdev.h
new file mode 100644
index 0000000..49682c3
--- /dev/null
+++ b/frontend/linux/in_evdev.h
@@ -0,0 +1,6 @@
+
+void in_evdev_init(void *vdrv);
+int  in_evdev_update(void *drv_data, const int *binds, int *result);
+
+/* to be set somewhere in platform code */
+extern struct in_default_bind in_evdev_defbinds[];
diff --git a/frontend/linux/oshide.c b/frontend/linux/oshide.c
new file mode 100644
index 0000000..203691f
--- /dev/null
+++ b/frontend/linux/oshide.c
@@ -0,0 +1,268 @@
+/*
+ * (C) Gražvydas "notaz" Ignotas, 2009-2010
+ *
+ * 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 <string.h>
+#include <pthread.h>
+
+#include <dlfcn.h>
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <sys/ioctl.h>
+#include <termios.h>
+#include <linux/kd.h>
+
+#define PFX "oshide: "
+
+#define FPTR(f) typeof(f) * p##f
+#define FPTR_LINK(xf, dl, f) { \
+	xf.p##f = dlsym(dl, #f); \
+	if (xf.p##f == NULL) { \
+		fprintf(stderr, "missing symbol: %s\n", #f); \
+		goto fail; \
+	} \
+}
+
+struct xfuncs {
+FPTR(XCreateBitmapFromData);
+FPTR(XCreatePixmapCursor);
+FPTR(XFreePixmap);
+FPTR(XOpenDisplay);
+FPTR(XDisplayName);
+FPTR(XCloseDisplay);
+FPTR(XCreateSimpleWindow);
+FPTR(XChangeWindowAttributes);
+FPTR(XSelectInput);
+FPTR(XMapWindow);
+FPTR(XNextEvent);
+FPTR(XCheckTypedEvent);
+FPTR(XUnmapWindow);
+FPTR(XGrabKeyboard);
+};
+
+
+static Cursor transparent_cursor(struct xfuncs *xf, Display *display, Window win)
+{
+	Cursor cursor;
+	Pixmap pix;
+	XColor dummy;
+	char d = 0;
+
+	memset(&dummy, 0, sizeof(dummy));
+	pix = xf->pXCreateBitmapFromData(display, win, &d, 1, 1);
+	cursor = xf->pXCreatePixmapCursor(display, pix, pix,
+			&dummy, &dummy, 0, 0);
+	xf->pXFreePixmap(display, pix);
+	return cursor;
+}
+
+static void *x11h_handler(void *arg)
+{
+	struct xfuncs xf;
+	unsigned int display_width, display_height;
+	XSetWindowAttributes attributes;
+	Window win;
+	XEvent report;
+	Display *display;
+	Visual *visual;
+	void *x11lib;
+	int screen;
+
+	memset(&xf, 0, sizeof(xf));
+	x11lib = dlopen("libX11.so.6", RTLD_LAZY);
+	if (x11lib == NULL) {
+		fprintf(stderr, "libX11.so load failed:\n%s\n", dlerror());
+		goto fail;
+	}
+	FPTR_LINK(xf, x11lib, XCreateBitmapFromData);
+	FPTR_LINK(xf, x11lib, XCreatePixmapCursor);
+	FPTR_LINK(xf, x11lib, XFreePixmap);
+	FPTR_LINK(xf, x11lib, XOpenDisplay);
+	FPTR_LINK(xf, x11lib, XDisplayName);
+	FPTR_LINK(xf, x11lib, XCloseDisplay);
+	FPTR_LINK(xf, x11lib, XCreateSimpleWindow);
+	FPTR_LINK(xf, x11lib, XChangeWindowAttributes);
+	FPTR_LINK(xf, x11lib, XSelectInput);
+	FPTR_LINK(xf, x11lib, XMapWindow);
+	FPTR_LINK(xf, x11lib, XNextEvent);
+	FPTR_LINK(xf, x11lib, XCheckTypedEvent);
+	FPTR_LINK(xf, x11lib, XUnmapWindow);
+	FPTR_LINK(xf, x11lib, XGrabKeyboard);
+
+	//XInitThreads();
+
+	display = xf.pXOpenDisplay(NULL);
+	if (display == NULL)
+	{
+		fprintf(stderr, "cannot connect to X server %s, X handling disabled.\n",
+				xf.pXDisplayName(NULL));
+		goto fail2;
+	}
+
+	visual = DefaultVisual(display, 0);
+	if (visual->class != TrueColor)
+		fprintf(stderr, PFX "warning: non true color visual\n");
+
+	printf(PFX "X vendor: %s, rel: %d, display: %s, protocol ver: %d.%d\n", ServerVendor(display),
+		VendorRelease(display), DisplayString(display), ProtocolVersion(display),
+		ProtocolRevision(display));
+
+	screen = DefaultScreen(display);
+
+	display_width = DisplayWidth(display, screen);
+	display_height = DisplayHeight(display, screen);
+	printf(PFX "display is %dx%d\n", display_width, display_height);
+
+	win = xf.pXCreateSimpleWindow(display,
+			RootWindow(display, screen),
+			0, 0, display_width, display_height, 0,
+			BlackPixel(display, screen),
+			BlackPixel(display, screen));
+
+	attributes.override_redirect = True;
+	attributes.cursor = transparent_cursor(&xf, display, win);
+	xf.pXChangeWindowAttributes(display, win, CWOverrideRedirect | CWCursor, &attributes);
+
+	xf.pXSelectInput(display, win, ExposureMask | FocusChangeMask | KeyPressMask | KeyReleaseMask);
+	xf.pXMapWindow(display, win);
+	xf.pXGrabKeyboard(display, win, False, GrabModeAsync, GrabModeAsync, CurrentTime);
+	// XSetIOErrorHandler
+
+	while (1)
+	{
+		xf.pXNextEvent(display, &report);
+		switch (report.type)
+		{
+			case Expose:
+				while (xf.pXCheckTypedEvent(display, Expose, &report))
+					;
+				break;
+
+			case FocusOut:
+				// XFocusChangeEvent
+				// printf("focus out\n");
+				// xf.pXUnmapWindow(display, win);
+				break;
+
+			case KeyPress:
+				// printf("press %d\n", report.xkey.keycode);
+				break;
+
+			default:
+				break;
+		}
+	}
+
+fail2:
+	dlclose(x11lib);
+fail:
+	fprintf(stderr, "x11 handling disabled.\n");
+	return NULL;
+}
+
+static struct termios g_kbd_termios_saved;
+static int g_kbdfd;
+
+static void hidecon_start(void)
+{
+	struct termios kbd_termios;
+	int mode;
+
+	g_kbdfd = open("/dev/tty", O_RDWR);
+	if (g_kbdfd == -1) {
+		perror(PFX "open /dev/tty");
+		return;
+	}
+
+	if (ioctl(g_kbdfd, KDGETMODE, &mode) == -1) {
+		perror(PFX "(not hiding FB): KDGETMODE");
+		goto fail;
+	}
+
+	if (tcgetattr(g_kbdfd, &kbd_termios) == -1) {
+		perror(PFX "tcgetattr");
+		goto fail;
+	}
+
+	g_kbd_termios_saved = kbd_termios;
+	kbd_termios.c_lflag &= ~(ICANON | ECHO); // | ISIG);
+	kbd_termios.c_iflag &= ~(ISTRIP | IGNCR | ICRNL | INLCR | IXOFF | IXON);
+	kbd_termios.c_cc[VMIN] = 0;
+	kbd_termios.c_cc[VTIME] = 0;
+
+	if (tcsetattr(g_kbdfd, TCSAFLUSH, &kbd_termios) == -1) {
+		perror(PFX "tcsetattr");
+		goto fail;
+	}
+
+	if (ioctl(g_kbdfd, KDSETMODE, KD_GRAPHICS) == -1) {
+		perror(PFX "KDSETMODE KD_GRAPHICS");
+		tcsetattr(g_kbdfd, TCSAFLUSH, &g_kbd_termios_saved);
+		goto fail;
+	}
+
+	return;
+
+fail:
+	close(g_kbdfd);
+	g_kbdfd = -1;
+}
+
+static void hidecon_end(void)
+{
+	if (g_kbdfd < 0)
+		return;
+
+	if (ioctl(g_kbdfd, KDSETMODE, KD_TEXT) == -1)
+		perror(PFX "KDSETMODE KD_TEXT");
+
+	if (tcsetattr(g_kbdfd, TCSAFLUSH, &g_kbd_termios_saved) == -1)
+		perror(PFX "tcsetattr");
+
+	close(g_kbdfd);
+	g_kbdfd = -1;
+}
+
+int oshide_init(void)
+{
+	pthread_t tid;
+	int ret;
+
+	ret = pthread_create(&tid, NULL, x11h_handler, NULL);
+	if (ret != 0) {
+		fprintf(stderr, PFX "failed to create thread: %d\n", ret);
+		return ret;
+	}
+	pthread_detach(tid);
+
+	hidecon_start();
+
+	return 0;
+}
+
+void oshide_finish(void)
+{
+	/* XXX: the X thread.. */
+
+	hidecon_end();
+}
+
+#if 0
+int main()
+{
+	x11h_init();
+	sleep(5);
+}
+#endif
diff --git a/frontend/linux/oshide.h b/frontend/linux/oshide.h
new file mode 100644
index 0000000..f661305
--- /dev/null
+++ b/frontend/linux/oshide.h
@@ -0,0 +1,3 @@
+int  oshide_init(void);
+void oshide_finish(void);
+
diff --git a/frontend/linux/plat.c b/frontend/linux/plat.c
new file mode 100644
index 0000000..1e107f4
--- /dev/null
+++ b/frontend/linux/plat.c
@@ -0,0 +1,170 @@
+/*
+ * (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.
+ */
+
+#define _GNU_SOURCE
+#include <stdio.h>
+#include <string.h>
+#include <stdarg.h>
+#include <dirent.h>
+#include <sys/time.h>
+#include <time.h>
+#include <unistd.h>
+#include <sys/mman.h>
+
+#include "../common/plat.h"
+
+
+int plat_is_dir(const char *path)
+{
+	DIR *dir;
+	if ((dir = opendir(path))) {
+		closedir(dir);
+		return 1;
+	}
+	return 0;
+}
+
+int plat_get_root_dir(char *dst, int len)
+{
+	int j, ret;
+
+	ret = readlink("/proc/self/exe", dst, len - 1);
+	if (ret < 0) {
+		perror("readlink");
+		ret = 0;
+	}
+	dst[ret] = 0;
+
+	for (j = strlen(dst); j > 0; j--)
+		if (dst[j] == '/') {
+			dst[++j] = 0;
+			break;
+		}
+
+	return 0;
+}
+
+#ifdef __GP2X__
+/* Wiz has a borked gettimeofday().. */
+#define plat_get_ticks_ms plat_get_ticks_ms_good
+#define plat_get_ticks_us plat_get_ticks_us_good
+#endif
+
+unsigned int plat_get_ticks_ms(void)
+{
+	struct timeval tv;
+	unsigned int ret;
+
+	gettimeofday(&tv, NULL);
+
+	ret = (unsigned)tv.tv_sec * 1000;
+	/* approximate /= 1000 */
+	ret += ((unsigned)tv.tv_usec * 4195) >> 22;
+
+	return ret;
+}
+
+unsigned int plat_get_ticks_us(void)
+{
+	struct timeval tv;
+	unsigned int ret;
+
+	gettimeofday(&tv, NULL);
+
+	ret = (unsigned)tv.tv_sec * 1000000;
+	ret += (unsigned)tv.tv_usec;
+
+	return ret;
+}
+
+void plat_sleep_ms(int ms)
+{
+	usleep(ms * 1000);
+}
+
+int plat_wait_event(int *fds_hnds, int count, int timeout_ms)
+{
+	struct timeval tv, *timeout = NULL;
+	int i, ret, fdmax = -1;
+	fd_set fdset;
+
+	if (timeout_ms >= 0) {
+		tv.tv_sec = timeout_ms / 1000;
+		tv.tv_usec = (timeout_ms % 1000) * 1000;
+		timeout = &tv;
+	}
+
+	FD_ZERO(&fdset);
+	for (i = 0; i < count; i++) {
+		if (fds_hnds[i] > fdmax) fdmax = fds_hnds[i];
+		FD_SET(fds_hnds[i], &fdset);
+	}
+
+	ret = select(fdmax + 1, &fdset, NULL, NULL, timeout);
+	if (ret == -1)
+	{
+		perror("plat_wait_event: select failed");
+		sleep(1);
+		return -1;
+	}
+
+	if (ret == 0)
+		return -1; /* timeout */
+
+	ret = -1;
+	for (i = 0; i < count; i++)
+		if (FD_ISSET(fds_hnds[i], &fdset))
+			ret = fds_hnds[i];
+
+	return ret;
+}
+
+void *plat_mmap(unsigned long addr, size_t size)
+{
+	void *req, *ret;
+
+	req = (void *)addr;
+	ret = mmap(req, size, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0);
+	if (ret == MAP_FAILED)
+		return NULL;
+	if (ret != req)
+		printf("warning: mmaped to %p, requested %p\n", ret, req);
+
+	return ret;
+}
+
+void *plat_mremap(void *ptr, size_t oldsize, size_t newsize)
+{
+	void *ret;
+
+	ret = mremap(ptr, oldsize, newsize, MREMAP_MAYMOVE);
+	if (ret == MAP_FAILED)
+		return NULL;
+	if (ret != ptr)
+		printf("warning: mremap moved: %p -> %p\n", ptr, ret);
+
+	return ret;
+}
+
+void plat_munmap(void *ptr, size_t size)
+{
+	munmap(ptr, size);
+}
+
+/* lprintf */
+void lprintf(const char *fmt, ...)
+{
+	va_list vl;
+
+	va_start(vl, fmt);
+	vprintf(fmt, vl);
+	va_end(vl);
+}
+