--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/symbian-qemu-0.9.1-12/libsdl-trunk/src/joystick/bsd/SDL_sysjoystick.c	Fri Jul 31 15:01:17 2009 +0100
@@ -0,0 +1,591 @@
+/*
+    SDL - Simple DirectMedia Layer
+    Copyright (C) 1997-2006 Sam Lantinga
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+    License as published by the Free Software Foundation; either
+    version 2.1 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public
+    License along with this library; if not, write to the Free Software
+    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+
+    Sam Lantinga
+    slouken@libsdl.org
+*/
+#include "SDL_config.h"
+
+#ifdef SDL_JOYSTICK_USBHID
+
+/*
+ * Joystick driver for the uhid(4) interface found in OpenBSD,
+ * NetBSD and FreeBSD.
+ *
+ * Maintainer: <vedge at csoft.org>
+ */
+
+#include <sys/param.h>
+
+#include <unistd.h>
+#include <fcntl.h>
+#include <errno.h>
+
+#if defined(HAVE_USB_H)
+#include <usb.h>
+#endif
+#ifdef __DragonFly__
+#include <bus/usb/usb.h>
+#include <bus/usb/usbhid.h>
+#else
+#include <dev/usb/usb.h>
+#include <dev/usb/usbhid.h>
+#endif
+
+#if defined(HAVE_USBHID_H)
+#include <usbhid.h>
+#elif defined(HAVE_LIBUSB_H)
+#include <libusb.h>
+#elif defined(HAVE_LIBUSBHID_H)
+#include <libusbhid.h>
+#endif
+
+#ifdef __FREEBSD__
+#ifndef __DragonFly__
+#include <osreldate.h>
+#endif
+#include <sys/joystick.h>
+#endif
+
+#if SDL_JOYSTICK_USBHID_MACHINE_JOYSTICK_H
+#include <machine/joystick.h>
+#endif
+
+#include "SDL_joystick.h"
+#include "../SDL_sysjoystick.h"
+#include "../SDL_joystick_c.h"
+
+#define MAX_UHID_JOYS	4
+#define MAX_JOY_JOYS	2
+#define MAX_JOYS	(MAX_UHID_JOYS + MAX_JOY_JOYS)
+
+struct report {
+	struct	usb_ctl_report *buf;	/* Buffer */
+	size_t	size;			/* Buffer size */
+	int	rid;			/* Report ID */
+	enum {
+		SREPORT_UNINIT,
+		SREPORT_CLEAN,
+		SREPORT_DIRTY
+	} status;
+};
+
+static struct {
+	int	uhid_report;
+	hid_kind_t kind;
+	const	char *name;
+} const repinfo[] = {
+	{ UHID_INPUT_REPORT,	hid_input,	"input" },
+	{ UHID_OUTPUT_REPORT,	hid_output,	"output" },
+	{ UHID_FEATURE_REPORT,	hid_feature,	"feature" }
+};
+
+enum {
+	REPORT_INPUT = 0,
+	REPORT_OUTPUT = 1,
+	REPORT_FEATURE = 2
+};
+
+enum {
+	JOYAXE_X,
+	JOYAXE_Y,
+	JOYAXE_Z,
+	JOYAXE_SLIDER,
+	JOYAXE_WHEEL,
+	JOYAXE_RX,
+	JOYAXE_RY,
+	JOYAXE_RZ,
+	JOYAXE_count
+};
+
+struct joystick_hwdata {
+	int	fd;
+	char	*path;
+	enum {
+		BSDJOY_UHID,	/* uhid(4) */
+		BSDJOY_JOY	/* joy(4) */
+	} type;
+	struct	report_desc *repdesc;
+	struct	report inreport;
+	int	axis_map[JOYAXE_count];	/* map present JOYAXE_* to 0,1,..*/
+	int	x;
+	int	y;
+	int	xmin;
+	int	ymin;
+	int	xmax;
+	int	ymax;
+};
+
+static char *joynames[MAX_JOYS];
+static char *joydevnames[MAX_JOYS];
+
+static int	report_alloc(struct report *, struct report_desc *, int);
+static void	report_free(struct report *);
+
+#ifdef USBHID_UCR_DATA
+#define REP_BUF_DATA(rep) ((rep)->buf->ucr_data)
+#else
+#define REP_BUF_DATA(rep) ((rep)->buf->data)
+#endif
+
+int
+SDL_SYS_JoystickInit(void)
+{
+	char s[16];
+	int i, fd;
+
+	SDL_numjoysticks = 0;
+
+	SDL_memset(joynames, 0, sizeof(joynames));
+	SDL_memset(joydevnames, 0, sizeof(joydevnames));
+
+	for (i = 0; i < MAX_UHID_JOYS; i++) {
+		SDL_Joystick nj;
+
+		SDL_snprintf(s, SDL_arraysize(s), "/dev/uhid%d", i);
+
+		nj.index = SDL_numjoysticks;
+		joynames[nj.index] = strdup(s);
+
+		if (SDL_SYS_JoystickOpen(&nj) == 0) {
+			SDL_SYS_JoystickClose(&nj);
+			SDL_numjoysticks++;
+		} else {
+			SDL_free(joynames[nj.index]);
+			joynames[nj.index] = NULL;
+		}
+	}
+	for (i = 0; i < MAX_JOY_JOYS; i++) {
+		SDL_snprintf(s, SDL_arraysize(s), "/dev/joy%d", i);
+		fd = open(s, O_RDONLY);
+		if (fd != -1) {
+			joynames[SDL_numjoysticks++] = strdup(s);
+			close(fd);
+		}
+	}
+
+	/* Read the default USB HID usage table. */
+	hid_init(NULL);
+
+	return (SDL_numjoysticks);
+}
+
+const char *
+SDL_SYS_JoystickName(int index)
+{
+	if (joydevnames[index] != NULL) {
+		return (joydevnames[index]);
+	}
+	return (joynames[index]);
+}
+
+static int
+usage_to_joyaxe(unsigned usage)
+{
+    int joyaxe;
+    switch (usage) {
+    case HUG_X:
+	joyaxe = JOYAXE_X; break;
+    case HUG_Y:
+	joyaxe = JOYAXE_Y; break;
+    case HUG_Z:
+	joyaxe = JOYAXE_Z; break;
+    case HUG_SLIDER:
+	joyaxe = JOYAXE_SLIDER; break;
+    case HUG_WHEEL:
+	joyaxe = JOYAXE_WHEEL; break;
+    case HUG_RX:
+	joyaxe = JOYAXE_RX; break;
+    case HUG_RY:
+	joyaxe = JOYAXE_RY; break;
+    case HUG_RZ:
+	joyaxe = JOYAXE_RZ; break;
+    default:
+	joyaxe = -1;
+    }
+    return joyaxe;    
+}
+
+static unsigned
+hatval_to_sdl(Sint32 hatval)
+{
+    static const unsigned hat_dir_map[8] = {
+	SDL_HAT_UP, SDL_HAT_RIGHTUP, SDL_HAT_RIGHT, SDL_HAT_RIGHTDOWN, 
+	SDL_HAT_DOWN, SDL_HAT_LEFTDOWN, SDL_HAT_LEFT, SDL_HAT_LEFTUP
+    };
+    unsigned result;
+    if ((hatval & 7) == hatval) 
+	result = hat_dir_map[hatval];
+    else 
+	result = SDL_HAT_CENTERED;
+    return result;
+}
+
+
+int
+SDL_SYS_JoystickOpen(SDL_Joystick *joy)
+{
+	char *path = joynames[joy->index];
+	struct joystick_hwdata *hw;
+	struct hid_item hitem;
+	struct hid_data *hdata;
+	struct report *rep;
+	int fd;
+	int i;
+
+	fd = open(path, O_RDONLY);
+	if (fd == -1) {
+		SDL_SetError("%s: %s", path, strerror(errno));
+		return (-1);
+	}
+
+	hw = (struct joystick_hwdata *)SDL_malloc(sizeof(struct joystick_hwdata));
+	if (hw == NULL) {
+		SDL_OutOfMemory();
+		close(fd);
+		return (-1);
+	}
+	joy->hwdata = hw;
+	hw->fd = fd;
+	hw->path = strdup(path);
+	hw->x = 0;
+	hw->y = 0;
+	hw->xmin = 0xffff;
+	hw->ymin = 0xffff;
+	hw->xmax = 0;
+	hw->ymax = 0;
+	if (! SDL_strncmp(path, "/dev/joy", 8)) {
+		hw->type = BSDJOY_JOY;
+		joy->naxes = 2;
+		joy->nbuttons = 2;
+		joy->nhats = 0;
+		joy->nballs = 0;
+		joydevnames[joy->index] = strdup("Gameport joystick");
+		goto usbend;
+	} else {
+		hw->type = BSDJOY_UHID;
+	}
+
+	{
+	    int ax;
+	    for (ax = 0; ax < JOYAXE_count; ax++)
+		hw->axis_map[ax] = -1;
+	}
+	hw->repdesc = hid_get_report_desc(fd);
+	if (hw->repdesc == NULL) {
+		SDL_SetError("%s: USB_GET_REPORT_DESC: %s", hw->path,
+		    strerror(errno));
+		goto usberr;
+	}
+
+	rep = &hw->inreport;
+	if (ioctl(fd, USB_GET_REPORT_ID, &rep->rid) < 0) {
+		rep->rid = -1; /* XXX */
+	}
+	if (report_alloc(rep, hw->repdesc, REPORT_INPUT) < 0) {
+		goto usberr;
+	}
+	if (rep->size <= 0) {
+		SDL_SetError("%s: Input report descriptor has invalid length",
+		    hw->path);
+		goto usberr;
+	}
+
+#if defined(USBHID_NEW) || (defined(__FREEBSD__) && __FreeBSD_version >= 500111)
+	hdata = hid_start_parse(hw->repdesc, 1 << hid_input, rep->rid);
+#else
+	hdata = hid_start_parse(hw->repdesc, 1 << hid_input);
+#endif
+	if (hdata == NULL) {
+		SDL_SetError("%s: Cannot start HID parser", hw->path);
+		goto usberr;
+	}
+	joy->naxes = 0;
+	joy->nbuttons = 0;
+	joy->nhats = 0;
+	joy->nballs = 0;
+	for (i=0; i<JOYAXE_count; i++)
+		hw->axis_map[i] = -1;
+
+	while (hid_get_item(hdata, &hitem) > 0) {
+		char *sp;
+		const char *s;
+
+		switch (hitem.kind) {
+		case hid_collection:
+			switch (HID_PAGE(hitem.usage)) {
+			case HUP_GENERIC_DESKTOP:
+				switch (HID_USAGE(hitem.usage)) {
+				case HUG_JOYSTICK:
+				case HUG_GAME_PAD:
+					s = hid_usage_in_page(hitem.usage);
+					sp = SDL_malloc(SDL_strlen(s) + 5);
+					SDL_snprintf(sp, SDL_strlen(s) + 5, "%s (%d)", s,
+					    joy->index);
+					joydevnames[joy->index] = sp;
+				}
+			}
+			break;
+		case hid_input:
+			switch (HID_PAGE(hitem.usage)) {
+			case HUP_GENERIC_DESKTOP: {
+			    unsigned usage = HID_USAGE(hitem.usage);
+			    int joyaxe = usage_to_joyaxe(usage);
+			    if (joyaxe >= 0) {
+				hw->axis_map[joyaxe] = 1;
+			    } else if (usage == HUG_HAT_SWITCH) {
+				joy->nhats++;
+			    }
+			    break;
+			}
+			case HUP_BUTTON:
+				joy->nbuttons++;
+				break;
+			default:
+				break;
+			}
+			break;
+		default:
+			break;
+		}
+	}
+	hid_end_parse(hdata);
+	for (i=0; i<JOYAXE_count; i++)
+		if (hw->axis_map[i] > 0)
+			hw->axis_map[i] = joy->naxes++;
+
+usbend:
+	/* The poll blocks the event thread. */
+	fcntl(fd, F_SETFL, O_NONBLOCK);
+
+	return (0);
+usberr:
+	close(hw->fd);
+	SDL_free(hw->path);
+	SDL_free(hw);
+	return (-1);
+}
+
+void
+SDL_SYS_JoystickUpdate(SDL_Joystick *joy)
+{
+	struct hid_item hitem;
+	struct hid_data *hdata;
+	struct report *rep;
+	int nbutton, naxe = -1;
+	Sint32 v;
+
+#if defined(__FREEBSD__) || SDL_JOYSTICK_USBHID_MACHINE_JOYSTICK_H
+	struct joystick gameport;
+ 
+	if (joy->hwdata->type == BSDJOY_JOY) {
+		if (read(joy->hwdata->fd, &gameport, sizeof gameport) != sizeof gameport)
+			return;
+		if (abs(joy->hwdata->x - gameport.x) > 8) {
+			joy->hwdata->x = gameport.x;
+			if (joy->hwdata->x < joy->hwdata->xmin) {
+				joy->hwdata->xmin = joy->hwdata->x;
+			}
+			if (joy->hwdata->x > joy->hwdata->xmax) {
+				joy->hwdata->xmax = joy->hwdata->x;
+			}
+			if (joy->hwdata->xmin == joy->hwdata->xmax) {
+				joy->hwdata->xmin--;
+				joy->hwdata->xmax++;
+			}
+			v = (Sint32)joy->hwdata->x;
+			v -= (joy->hwdata->xmax + joy->hwdata->xmin + 1)/2;
+			v *= 32768/((joy->hwdata->xmax - joy->hwdata->xmin + 1)/2);
+			SDL_PrivateJoystickAxis(joy, 0, v);
+		}
+		if (abs(joy->hwdata->y - gameport.y) > 8) {
+			joy->hwdata->y = gameport.y;
+			if (joy->hwdata->y < joy->hwdata->ymin) {
+				joy->hwdata->ymin = joy->hwdata->y;
+			}
+			if (joy->hwdata->y > joy->hwdata->ymax) {
+				joy->hwdata->ymax = joy->hwdata->y;
+			}
+			if (joy->hwdata->ymin == joy->hwdata->ymax) {
+				joy->hwdata->ymin--;
+				joy->hwdata->ymax++;
+			}
+			v = (Sint32)joy->hwdata->y;
+			v -= (joy->hwdata->ymax + joy->hwdata->ymin + 1)/2;
+			v *= 32768/((joy->hwdata->ymax - joy->hwdata->ymin + 1)/2);
+			SDL_PrivateJoystickAxis(joy, 1, v);
+		}
+		if (gameport.b1 != joy->buttons[0]) {
+			SDL_PrivateJoystickButton(joy, 0, gameport.b1);
+		}
+		if (gameport.b2 != joy->buttons[1]) {
+			SDL_PrivateJoystickButton(joy, 1, gameport.b2);
+		}
+		return;
+	}
+#endif /* defined(__FREEBSD__) || SDL_JOYSTICK_USBHID_MACHINE_JOYSTICK_H */
+	
+	rep = &joy->hwdata->inreport;
+
+	if (read(joy->hwdata->fd, REP_BUF_DATA(rep), rep->size) != rep->size) {
+		return;
+	}
+#if defined(USBHID_NEW) || (defined(__FREEBSD__) && __FreeBSD_version >= 500111)
+	hdata = hid_start_parse(joy->hwdata->repdesc, 1 << hid_input, rep->rid);
+#else
+	hdata = hid_start_parse(joy->hwdata->repdesc, 1 << hid_input);
+#endif
+	if (hdata == NULL) {
+		fprintf(stderr, "%s: Cannot start HID parser\n",
+		    joy->hwdata->path);
+		return;
+	}
+
+	for (nbutton = 0; hid_get_item(hdata, &hitem) > 0;) {
+		switch (hitem.kind) {
+		case hid_input:
+			switch (HID_PAGE(hitem.usage)) {
+			case HUP_GENERIC_DESKTOP: {
+			    unsigned usage = HID_USAGE(hitem.usage);
+			    int joyaxe = usage_to_joyaxe(usage);
+			    if (joyaxe >= 0) {
+				naxe = joy->hwdata->axis_map[joyaxe];
+				/* scaleaxe */
+				v = (Sint32)hid_get_data(REP_BUF_DATA(rep),
+							 &hitem);
+				v -= (hitem.logical_maximum + hitem.logical_minimum + 1)/2;
+				v *= 32768/((hitem.logical_maximum - hitem.logical_minimum + 1)/2);
+				if (v != joy->axes[naxe]) {
+				    SDL_PrivateJoystickAxis(joy, naxe, v);
+				}
+			    } else if (usage == HUG_HAT_SWITCH) {
+				v = (Sint32)hid_get_data(REP_BUF_DATA(rep),
+							 &hitem);
+				SDL_PrivateJoystickHat(joy, 0,
+					hatval_to_sdl(v)-hitem.logical_minimum);
+			    }
+			    break;
+			}
+			case HUP_BUTTON:
+				v = (Sint32)hid_get_data(REP_BUF_DATA(rep),
+				    &hitem);
+				if (joy->buttons[nbutton] != v) {
+					SDL_PrivateJoystickButton(joy,
+					    nbutton, v);
+				}
+				nbutton++;
+				break;
+			default:
+				continue;
+			}
+			break;
+		default:
+			break;
+		}
+	}
+	hid_end_parse(hdata);
+
+	return;
+}
+
+/* Function to close a joystick after use */
+void
+SDL_SYS_JoystickClose(SDL_Joystick *joy)
+{
+	if (SDL_strncmp(joy->hwdata->path, "/dev/joy", 8))	{
+		report_free(&joy->hwdata->inreport);
+		hid_dispose_report_desc(joy->hwdata->repdesc);
+	}
+	close(joy->hwdata->fd);
+	SDL_free(joy->hwdata->path);
+	SDL_free(joy->hwdata);
+
+	return;
+}
+
+void
+SDL_SYS_JoystickQuit(void)
+{
+	int i;
+
+	for (i = 0; i < MAX_JOYS; i++) {
+		if (joynames[i] != NULL)
+			SDL_free(joynames[i]);
+		if (joydevnames[i] != NULL)
+			SDL_free(joydevnames[i]);
+	}
+
+	return;
+}
+
+static int
+report_alloc(struct report *r, struct report_desc *rd, int repind)
+{
+	int len;
+
+#ifdef __DragonFly__
+	len = hid_report_size(rd, r->rid, repinfo[repind].kind);
+#elif __FREEBSD__
+# if (__FreeBSD_version >= 460000)
+#  if (__FreeBSD_version <= 500111)
+	len = hid_report_size(rd, r->rid, repinfo[repind].kind);
+#  else
+	len = hid_report_size(rd, repinfo[repind].kind, r->rid);
+#  endif
+# else
+	len = hid_report_size(rd, repinfo[repind].kind, &r->rid);
+# endif
+#else
+# ifdef USBHID_NEW
+	len = hid_report_size(rd, repinfo[repind].kind, r->rid);
+# else
+	len = hid_report_size(rd, repinfo[repind].kind, &r->rid);
+# endif
+#endif
+
+	if (len < 0) {
+		SDL_SetError("Negative HID report size");
+		return (-1);
+	}
+	r->size = len;
+
+	if (r->size > 0) {
+		r->buf = SDL_malloc(sizeof(*r->buf) - sizeof(REP_BUF_DATA(r)) +
+		    r->size);
+		if (r->buf == NULL) {
+			SDL_OutOfMemory();
+			return (-1);
+		}
+	} else {
+		r->buf = NULL;
+	}
+
+	r->status = SREPORT_CLEAN;
+	return (0);
+}
+
+static void
+report_free(struct report *r)
+{
+	if (r->buf != NULL) {
+		SDL_free(r->buf);
+	}
+	r->status = SREPORT_UNINIT;
+}
+
+#endif /* SDL_JOYSTICK_USBHID */