2000-02-26 14:14:04 +01:00
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/* -*- tab-width: 8; c-basic-offset: 4 -*- */
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/*
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* joystick functions
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*
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* Copyright 1997 Andreas Mohr
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*
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* nearly all joystick functions can be regarded as obsolete,
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* as Linux (2.1.x) now supports extended joysticks
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* with a completely new joystick driver interface
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* new driver's docu says:
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* "For backward compatibility the old interface is still included,
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* but will be dropped in the future."
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* Thus we should implement the new interface and at most keep the old
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* routines for backward compatibility.
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*/
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/*
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* Wolfgang Schwotzer
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*
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* 01/2000 added support for new joystick driver
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*
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*/
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#include "config.h"
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#include <unistd.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <fcntl.h>
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#include <sys/ioctl.h>
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#ifdef HAVE_LINUX_JOYSTICK_H
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#include <linux/joystick.h>
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#define JOYDEV "/dev/js%d"
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#endif
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#ifdef HAVE_SYS_ERRNO_H
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#include <sys/errno.h>
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#endif
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#include "windef.h"
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#include "wingdi.h"
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#include "winuser.h"
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#include "mmddk.h"
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#include "debugtools.h"
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DEFAULT_DEBUG_CHANNEL(joystick);
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#ifdef HAVE_LINUX_JOYSTICK_H
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#define MAXJOYSTICK (JOYSTICKID2 + 1)
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2000-03-19 13:41:41 +01:00
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typedef struct tagWINE_JSTCK {
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int joyIntf;
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int in_use;
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} WINE_JSTCK;
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static WINE_JSTCK JSTCK_Data[MAXJOYSTICK];
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/**************************************************************************
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* JSTCK_drvGet [internal]
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*/
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static WINE_JSTCK* JSTCK_drvGet(DWORD dwDevID)
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{
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int p;
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if ((dwDevID - (DWORD)JSTCK_Data) % sizeof(JSTCK_Data[0]) != 0)
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return NULL;
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p = (dwDevID - (DWORD)JSTCK_Data) / sizeof(JSTCK_Data[0]);
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if (p < 0 || p >= MAXJOYSTICK || !((WINE_JSTCK*)dwDevID)->in_use)
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return NULL;
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return (WINE_JSTCK*)dwDevID;
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}
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2000-02-26 14:14:04 +01:00
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/**************************************************************************
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* JSTCK_drvOpen [internal]
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*/
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2000-03-19 13:41:41 +01:00
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static DWORD JSTCK_drvOpen(LPSTR str, DWORD dwIntf)
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2000-02-26 14:14:04 +01:00
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{
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2000-03-19 13:41:41 +01:00
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if (dwIntf >= MAXJOYSTICK || JSTCK_Data[dwIntf].in_use)
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2000-02-26 14:14:04 +01:00
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return 0;
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2000-03-19 13:41:41 +01:00
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JSTCK_Data[dwIntf].joyIntf = dwIntf;
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JSTCK_Data[dwIntf].in_use = 1;
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return (DWORD)&JSTCK_Data[dwIntf];
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2000-02-26 14:14:04 +01:00
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}
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/**************************************************************************
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* JSTCK_drvClose [internal]
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*/
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static DWORD JSTCK_drvClose(DWORD dwDevID)
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{
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2000-03-19 13:41:41 +01:00
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WINE_JSTCK* jstck = JSTCK_drvGet(dwDevID);
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if (jstck == NULL)
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return 0;
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jstck->in_use = 0;
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return 1;
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2000-02-26 14:14:04 +01:00
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}
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struct js_status
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{
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int buttons;
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int x;
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int y;
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};
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/**************************************************************************
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* JSTCK_OpenDevice [internal]
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*/
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2000-03-19 13:41:41 +01:00
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static int JSTCK_OpenDevice(WINE_JSTCK* jstick)
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2000-02-26 14:14:04 +01:00
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{
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char buf[20];
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int flags;
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2000-03-19 13:41:41 +01:00
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sprintf(buf, JOYDEV, jstick->joyIntf);
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2000-02-26 14:14:04 +01:00
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#ifdef HAVE_LINUX_22_JOYSTICK_API
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flags = O_RDONLY | O_NONBLOCK;
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#else
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flags = O_RDONLY;
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#endif
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return open(buf, flags);
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}
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/**************************************************************************
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* JoyGetDevCaps [MMSYSTEM.102]
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*/
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static LONG JSTCK_GetDevCaps(DWORD dwDevID, LPJOYCAPSA lpCaps, DWORD dwSize)
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{
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2000-03-19 13:41:41 +01:00
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WINE_JSTCK* jstck;
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2000-02-26 14:14:04 +01:00
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#ifdef HAVE_LINUX_22_JOYSTICK_API
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int dev;
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char nrOfAxes;
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char nrOfButtons;
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char identString[MAXPNAMELEN];
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int driverVersion;
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#endif
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2000-03-19 13:41:41 +01:00
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if ((jstck = JSTCK_drvGet(dwDevID)) == NULL)
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return MMSYSERR_NODRIVER;
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2000-02-26 14:14:04 +01:00
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#ifdef HAVE_LINUX_22_JOYSTICK_API
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2000-03-19 13:41:41 +01:00
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if ((dev = JSTCK_OpenDevice(jstck)) < 0) return JOYERR_PARMS;
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2000-02-26 14:14:04 +01:00
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ioctl(dev, JSIOCGAXES, &nrOfAxes);
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ioctl(dev, JSIOCGBUTTONS, &nrOfButtons);
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ioctl(dev, JSIOCGVERSION, &driverVersion);
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ioctl(dev, JSIOCGNAME(sizeof(identString)), &identString);
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TRACE("Driver: 0x%06x, Name: %s, #Axes: %d, #Buttons: %d\n",
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driverVersion, identString, nrOfAxes, nrOfButtons);
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lpCaps->wMid = MM_MICROSOFT;
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lpCaps->wPid = MM_PC_JOYSTICK;
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strncpy(lpCaps->szPname, identString, MAXPNAMELEN);
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lpCaps->szPname[MAXPNAMELEN-1] = '\0';
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lpCaps->wXmin = 0;
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lpCaps->wXmax = 0xFFFF;
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lpCaps->wYmin = 0;
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lpCaps->wYmax = 0xFFFF;
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lpCaps->wZmin = 0;
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lpCaps->wZmax = (nrOfAxes >= 3) ? 0xFFFF : 0;
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lpCaps->wNumButtons = nrOfButtons;
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if (dwSize == sizeof(JOYCAPSA)) {
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/* since we supose ntOfAxes <= 6 in the following code, do it explicitely */
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if (nrOfAxes > 6) nrOfAxes = 6;
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/* complete 95 structure */
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lpCaps->wRmin = 0;
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lpCaps->wRmax = nrOfAxes >= 4 ? 0xFFFF : 0;
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lpCaps->wUmin = 0;
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lpCaps->wUmax = nrOfAxes >= 5 ? 0xFFFF : 0;
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lpCaps->wVmin = 0;
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lpCaps->wVmax = nrOfAxes >= 6 ? 0xFFFF : 0;
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lpCaps->wMaxAxes = 6; /* same as MS Joystick Driver */
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lpCaps->wNumAxes = nrOfAxes; /* nr of axes in use */
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lpCaps->wMaxButtons = 32; /* same as MS Joystick Driver */
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strcpy(lpCaps->szRegKey, "");
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strcpy(lpCaps->szOEMVxD, "");
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lpCaps->wCaps = 0;
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switch(nrOfAxes) {
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case 6: lpCaps->wCaps |= JOYCAPS_HASV;
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case 5: lpCaps->wCaps |= JOYCAPS_HASU;
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case 4: lpCaps->wCaps |= JOYCAPS_HASR;
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case 3: lpCaps->wCaps |= JOYCAPS_HASZ;
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/* FIXME: don't know how to detect for
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JOYCAPS_HASPOV, JOYCAPS_POV4DIR, JOYCAPS_POVCTS */
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}
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}
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close(dev);
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#else
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lpCaps->wMid = MM_MICROSOFT;
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lpCaps->wPid = MM_PC_JOYSTICK;
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strcpy(lpCaps->szPname, "WineJoy"); /* joystick product name */
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lpCaps->wXmin = 0;
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lpCaps->wXmax = 0xFFFF;
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lpCaps->wYmin = 0;
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lpCaps->wYmax = 0xFFFF;
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lpCaps->wZmin = 0;
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lpCaps->wZmax = 0;
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lpCaps->wNumButtons = 2;
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if (dwSize == sizeof(JOYCAPSA)) {
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/* complete 95 structure */
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lpCaps->wRmin = 0;
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lpCaps->wRmax = 0;
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lpCaps->wUmin = 0;
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lpCaps->wUmax = 0;
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lpCaps->wVmin = 0;
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lpCaps->wVmax = 0;
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lpCaps->wCaps = 0;
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lpCaps->wMaxAxes = 2;
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lpCaps->wNumAxes = 2;
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lpCaps->wMaxButtons = 4;
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strcpy(lpCaps->szRegKey,"");
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strcpy(lpCaps->szOEMVxD,"");
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}
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#endif
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return JOYERR_NOERROR;
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}
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/**************************************************************************
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* JSTCK_GetPos [internal]
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*/
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static LONG JSTCK_GetPosEx(DWORD dwDevID, LPJOYINFOEX lpInfo)
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{
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2000-03-19 13:41:41 +01:00
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WINE_JSTCK* jstck;
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2000-02-26 14:14:04 +01:00
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int dev;
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#ifdef HAVE_LINUX_22_JOYSTICK_API
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struct js_event ev;
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#else
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struct js_status js;
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int dev_stat;
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#endif
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2000-03-19 13:41:41 +01:00
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if ((jstck = JSTCK_drvGet(dwDevID)) == NULL)
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return MMSYSERR_NODRIVER;
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if ((dev = JSTCK_OpenDevice(jstck)) < 0) return JOYERR_PARMS;
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2000-02-26 14:14:04 +01:00
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#ifdef HAVE_LINUX_22_JOYSTICK_API
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/* After opening the device it's state can be
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read with JS_EVENT_INIT flag */
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while ((read(dev, &ev, sizeof(struct js_event))) > 0) {
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if (ev.type == (JS_EVENT_AXIS | JS_EVENT_INIT)) {
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switch (ev.number) {
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case 0:
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if (lpInfo->dwFlags & JOY_RETURNX)
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lpInfo->dwXpos = ev.value + 32767;
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break;
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case 1:
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if (lpInfo->dwFlags & JOY_RETURNY)
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lpInfo->dwYpos = ev.value + 32767;
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break;
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case 2:
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if (lpInfo->dwFlags & JOY_RETURNZ)
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lpInfo->dwZpos = ev.value + 32767;
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break;
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case 3:
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if (lpInfo->dwFlags & JOY_RETURNR)
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lpInfo->dwRpos = ev.value + 32767;
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case 4:
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if (lpInfo->dwFlags & JOY_RETURNU)
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lpInfo->dwUpos = ev.value + 32767;
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case 5:
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if (lpInfo->dwFlags & JOY_RETURNV)
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lpInfo->dwVpos = ev.value + 32767;
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break;
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default:
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FIXME("Unknown joystick event '%d'\n", ev.number);
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}
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} else if (ev.type == (JS_EVENT_BUTTON | JS_EVENT_INIT)) {
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if (lpInfo->dwFlags & JOY_RETURNBUTTONS) {
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if (ev.value) {
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lpInfo->dwButtons |= (1 << ev.number);
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/* FIXME: what to do for this field when
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* multiple buttons are depressed ?
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*/
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lpInfo->dwButtonNumber = ev.number + 1;
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}
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}
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}
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}
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/* EAGAIN is returned when the queue is empty */
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if (errno != EAGAIN) {
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/* FIXME: error should not be ignored */
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2000-08-26 22:31:48 +02:00
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ERR("Error while reading joystick state (%s)\n", strerror(errno));
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2000-02-26 14:14:04 +01:00
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}
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#else
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dev_stat = read(dev, &js, sizeof(js));
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if (dev_stat != sizeof(js)) {
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close(dev);
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return JOYERR_UNPLUGGED; /* FIXME: perhaps wrong, but what should I return else ? */
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}
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js.x = js.x<<8;
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js.y = js.y<<8;
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if (lpInfo->dwFlags & JOY_RETURNX)
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lpInfo->dwXpos = js.x; /* FIXME: perhaps multiply it somehow ? */
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if (lpInfo->dwFlags & JOY_RETURNY)
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lpInfo->dwYpos = js.y;
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if (lpInfo->dwFlags & JOY_RETURNBUTTONS)
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lpInfo->dwButtons = js.buttons;
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#endif
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close(dev);
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TRACE("x: %ld, y: %ld, z: %ld, r: %ld, u: %ld, v: %ld, buttons: 0x%04x, flags: 0x%04x\n",
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lpInfo->dwXpos, lpInfo->dwYpos, lpInfo->dwZpos,
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lpInfo->dwRpos, lpInfo->dwUpos, lpInfo->dwVpos,
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(unsigned int)lpInfo->dwButtons,
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(unsigned int)lpInfo->dwFlags);
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return JOYERR_NOERROR;
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}
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/**************************************************************************
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* JSTCK_GetPos [internal]
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*/
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static LONG JSTCK_GetPos(DWORD dwDevID, LPJOYINFO lpInfo)
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{
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JOYINFOEX ji;
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LONG ret;
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memset(&ji, 0, sizeof(ji));
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ji.dwSize = sizeof(ji);
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ji.dwFlags = JOY_RETURNX | JOY_RETURNY | JOY_RETURNZ | JOY_RETURNBUTTONS;
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ret = JSTCK_GetPosEx(dwDevID, &ji);
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if (ret == JOYERR_NOERROR) {
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lpInfo->wXpos = ji.dwXpos;
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lpInfo->wYpos = ji.dwYpos;
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lpInfo->wZpos = ji.dwZpos;
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lpInfo->wButtons = ji.dwButtons;
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}
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return ret;
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}
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/**************************************************************************
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* JSTCK_DriverProc [internal]
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*/
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LONG CALLBACK JSTCK_DriverProc(DWORD dwDevID, HDRVR hDriv, DWORD wMsg,
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2000-03-19 13:41:41 +01:00
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DWORD dwParam1, DWORD dwParam2)
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2000-02-26 14:14:04 +01:00
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{
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/* EPP TRACE("(%08lX, %04X, %08lX, %08lX, %08lX)\n", */
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/* EPP dwDevID, hDriv, wMsg, dwParam1, dwParam2); */
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switch(wMsg) {
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case DRV_LOAD: return 1;
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case DRV_FREE: return 1;
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2000-03-19 13:41:41 +01:00
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case DRV_OPEN: return JSTCK_drvOpen((LPSTR)dwParam1, dwParam2);
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2000-02-26 14:14:04 +01:00
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case DRV_CLOSE: return JSTCK_drvClose(dwDevID);
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case DRV_ENABLE: return 1;
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case DRV_DISABLE: return 1;
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case DRV_QUERYCONFIGURE: return 1;
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case DRV_CONFIGURE: MessageBoxA(0, "JoyStick MultiMedia Driver !", "JoyStick Driver", MB_OK); return 1;
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case DRV_INSTALL: return DRVCNF_RESTART;
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case DRV_REMOVE: return DRVCNF_RESTART;
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2000-03-19 13:41:41 +01:00
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case JDD_GETNUMDEVS: return 1;
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2000-02-26 14:14:04 +01:00
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case JDD_GETDEVCAPS: return JSTCK_GetDevCaps(dwDevID, (LPJOYCAPSA)dwParam1, dwParam2);
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case JDD_GETPOS: return JSTCK_GetPos(dwDevID, (LPJOYINFO)dwParam1);
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case JDD_SETCALIBRATION:
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case JDD_CONFIGCHANGED: return JOYERR_NOCANDO;
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case JDD_GETPOSEX: return JSTCK_GetPosEx(dwDevID, (LPJOYINFOEX)dwParam1);
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default:
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return DefDriverProc(dwDevID, hDriv, wMsg, dwParam1, dwParam2);
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}
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}
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#else
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/**************************************************************************
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* JSTCK_DriverProc [internal]
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*/
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LONG CALLBACK JSTCK_DriverProc(DWORD dwDevID, HDRVR hDriv, DWORD wMsg,
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2000-03-19 13:41:41 +01:00
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DWORD dwParam1, DWORD dwParam2)
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2000-02-26 14:14:04 +01:00
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{
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/* EPP TRACE("(%08lX, %04X, %08lX, %08lX, %08lX)\n", */
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/* EPP dwDevID, hDriv, wMsg, dwParam1, dwParam2); */
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switch(wMsg) {
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case DRV_LOAD:
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case DRV_FREE:
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case DRV_OPEN:
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case DRV_CLOSE:
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case DRV_ENABLE:
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case DRV_DISABLE:
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case DRV_QUERYCONFIGURE: return 0;
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case DRV_CONFIGURE: MessageBoxA(0, "JoyStick MultiMedia Driver !", "JoyStick Driver", MB_OK); return 1;
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case DRV_INSTALL: return DRVCNF_RESTART;
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case DRV_REMOVE: return DRVCNF_RESTART;
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default:
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return DefDriverProc(dwDevID, hDriv, wMsg, dwParam1, dwParam2);
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}
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}
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#endif
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