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/* DirectInput Joystick device
*
* Copyright 1998,2000 Marcus Meissner
* Copyright 1998,1999 Lionel Ulmer
* Copyright 2000-2001 TransGaming Technologies Inc.
* Copyright 2005 Daniel Remenak
*
* 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
*/
#include "config.h"
#include "wine/port.h"
#include <assert.h>
#include <stdarg.h>
#include <stdio.h>
#include <string.h>
#include <time.h>
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#ifdef HAVE_SYS_TIME_H
# include <sys/time.h>
#endif
#include <fcntl.h>
#ifdef HAVE_SYS_IOCTL_H
# include <sys/ioctl.h>
#endif
#include <errno.h>
#ifdef HAVE_LINUX_INPUT_H
# include <linux/input.h>
# undef SW_MAX
# if defined(EVIOCGBIT) && defined(EV_ABS) && defined(BTN_PINKIE)
# define HAS_PROPER_HEADER
# endif
#endif
#ifdef HAVE_SYS_POLL_H
# include <sys/poll.h>
#endif
#include "wine/debug.h"
#include "wine/unicode.h"
#include "wine/list.h"
#include "windef.h"
#include "winbase.h"
#include "winerror.h"
#include "winreg.h"
#include "devguid.h"
#include "dinput.h"
#include "dinput_private.h"
#include "device_private.h"
#include "joystick_private.h"
#ifdef HAS_PROPER_HEADER
WINE_DEFAULT_DEBUG_CHANNEL(dinput);
#define EVDEVPREFIX "/dev/input/event"
#define EVDEVDRIVER " (event)"
/* Wine joystick driver object instances */
#define WINE_JOYSTICK_MAX_AXES 8
#define WINE_JOYSTICK_MAX_POVS 4
#define WINE_JOYSTICK_MAX_BUTTONS 128
struct wine_input_absinfo {
LONG value;
LONG minimum;
LONG maximum;
LONG fuzz;
LONG flat;
};
/* implemented in effect_linuxinput.c */
HRESULT linuxinput_create_effect(int* fd, REFGUID rguid, struct list *parent_list_entry, LPDIRECTINPUTEFFECT* peff);
HRESULT linuxinput_get_info_A(int fd, REFGUID rguid, LPDIEFFECTINFOA info);
HRESULT linuxinput_get_info_W(int fd, REFGUID rguid, LPDIEFFECTINFOW info);
static HRESULT WINAPI JoystickWImpl_SendForceFeedbackCommand(LPDIRECTINPUTDEVICE8W iface, DWORD dwFlags);
typedef struct JoystickImpl JoystickImpl;
static const IDirectInputDevice8WVtbl JoystickWvt;
struct JoyDev {
char *device;
char *name;
GUID guid;
GUID guid_product;
BOOL has_ff, is_joystick;
int num_effects;
/* data returned by EVIOCGBIT for caps, EV_ABS, EV_KEY, and EV_FF */
BYTE evbits[(EV_MAX+7)/8];
BYTE absbits[(ABS_MAX+7)/8];
BYTE keybits[(KEY_MAX+7)/8];
BYTE ffbits[(FF_MAX+7)/8];
/* data returned by the EVIOCGABS() ioctl */
struct wine_input_absinfo axes[ABS_MAX];
WORD vendor_id, product_id, bus_type;
};
struct JoystickImpl
{
struct JoystickGenericImpl generic;
struct JoyDev *joydev;
/* joystick private */
int joyfd;
int dev_axes_to_di[ABS_MAX];
POINTL povs[4];
/* LUT for KEY_ to offset in rgbButtons */
BYTE buttons[KEY_MAX];
/* Force feedback variables */
struct list ff_effects;
int ff_state;
int ff_autocenter;
int ff_gain;
};
static inline JoystickImpl *impl_from_IDirectInputDevice8W(IDirectInputDevice8W *iface)
{
return CONTAINING_RECORD(CONTAINING_RECORD(CONTAINING_RECORD(iface, IDirectInputDeviceImpl, IDirectInputDevice8W_iface),
JoystickGenericImpl, base), JoystickImpl, generic);
}
static void fake_current_js_state(JoystickImpl *ji);
static void find_joydevs(void);
static void joy_polldev( IDirectInputDevice8W *iface );
/* This GUID is slightly different from the linux joystick one. Take note. */
static const GUID DInput_Wine_Joystick_Base_GUID = { /* 9e573eda-7734-11d2-8d4a-23903fb6bdf7 */
0x9e573eda,
0x7734,
0x11d2,
{0x8d, 0x4a, 0x23, 0x90, 0x3f, 0xb6, 0xbd, 0xf7}
};
#define test_bit(arr,bit) (((BYTE*)(arr))[(bit)>>3]&(1<<((bit)&7)))
#define MAX_JOYDEV 64
static int have_joydevs = -1;
static struct JoyDev *joydevs = NULL;
static void find_joydevs(void)
{
int i;
if (InterlockedCompareExchange(&have_joydevs, 0, -1) != -1)
/* Someone beat us to it */
return;
for (i = 0; i < MAX_JOYDEV; i++)
{
char buf[MAX_PATH];
struct JoyDev joydev = {0};
int fd;
BOOL no_ff_check = FALSE;
int j;
struct JoyDev *new_joydevs;
struct input_id device_id = {0};
snprintf(buf, sizeof(buf), EVDEVPREFIX"%d", i);
if ((fd = open(buf, O_RDWR)) == -1)
{
fd = open(buf, O_RDONLY);
no_ff_check = TRUE;
}
if (fd == -1)
continue;
if (ioctl(fd, EVIOCGBIT(0, sizeof(joydev.evbits)), joydev.evbits) == -1)
{
WARN("ioctl(EVIOCGBIT, 0) failed: %d %s\n", errno, strerror(errno));
close(fd);
continue;
}
if (ioctl(fd, EVIOCGBIT(EV_ABS, sizeof(joydev.absbits)), joydev.absbits) == -1)
{
WARN("ioctl(EVIOCGBIT, EV_ABS) failed: %d %s\n", errno, strerror(errno));
close(fd);
continue;
}
if (ioctl(fd, EVIOCGBIT(EV_KEY, sizeof(joydev.keybits)), joydev.keybits) == -1)
{
WARN("ioctl(EVIOCGBIT, EV_KEY) failed: %d %s\n", errno, strerror(errno));
close(fd);
continue;
}
/* A true joystick has at least axis X and Y, and at least 1
* button. copied from linux/drivers/input/joydev.c */
if (((!test_bit(joydev.absbits, ABS_X) || !test_bit(joydev.absbits, ABS_Y)) &&
!test_bit(joydev.absbits, ABS_WHEEL) &&
!test_bit(joydev.absbits, ABS_GAS) &&
!test_bit(joydev.absbits, ABS_BRAKE)) ||
!(test_bit(joydev.keybits, BTN_TRIGGER) ||
test_bit(joydev.keybits, BTN_A) ||
test_bit(joydev.keybits, BTN_1) ||
test_bit(joydev.keybits, BTN_BASE) ||
test_bit(joydev.keybits, BTN_GEAR_UP) ||
test_bit(joydev.keybits, BTN_GEAR_DOWN)))
{
close(fd);
continue;
}
/* in lieu of properly reporting HID usage, detect presence of
* "joystick buttons" and report those devices as joysticks instead of
* gamepads */
joydev.is_joystick =
test_bit(joydev.keybits, BTN_TRIGGER) ||
test_bit(joydev.keybits, BTN_THUMB) ||
test_bit(joydev.keybits, BTN_THUMB2) ||
test_bit(joydev.keybits, BTN_TOP) ||
test_bit(joydev.keybits, BTN_TOP2) ||
test_bit(joydev.keybits, BTN_PINKIE) ||
test_bit(joydev.keybits, BTN_BASE) ||
test_bit(joydev.keybits, BTN_BASE2) ||
test_bit(joydev.keybits, BTN_BASE3) ||
test_bit(joydev.keybits, BTN_BASE4) ||
test_bit(joydev.keybits, BTN_BASE5) ||
test_bit(joydev.keybits, BTN_BASE6) ||
test_bit(joydev.keybits, BTN_GEAR_UP) ||
test_bit(joydev.keybits, BTN_GEAR_DOWN) ||
test_bit(joydev.keybits, BTN_DEAD);
if (!(joydev.device = HeapAlloc(GetProcessHeap(), 0, strlen(buf) + 1)))
{
close(fd);
continue;
}
strcpy(joydev.device, buf);
buf[MAX_PATH - 1] = 0;
if (ioctl(fd, EVIOCGNAME(MAX_PATH - 1), buf) != -1 &&
(joydev.name = HeapAlloc(GetProcessHeap(), 0, strlen(buf) + strlen(EVDEVDRIVER) + 1)))
{
strcpy(joydev.name, buf);
/* Append driver name */
strcat(joydev.name, EVDEVDRIVER);
}
else
joydev.name = joydev.device;
if (device_disabled_registry(joydev.name)) {
close(fd);
HeapFree(GetProcessHeap(), 0, joydev.name);
if (joydev.name != joydev.device)
HeapFree(GetProcessHeap(), 0, joydev.device);
continue;
}
joydev.guid = DInput_Wine_Joystick_Base_GUID;
joydev.guid.Data3 += have_joydevs;
TRACE("Found a joystick on %s: %s (%s)\n",
joydev.device, joydev.name,
debugstr_guid(&joydev.guid)
);
#ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
if (!no_ff_check &&
test_bit(joydev.evbits, EV_FF) &&
ioctl(fd, EVIOCGBIT(EV_FF, sizeof(joydev.ffbits)), joydev.ffbits) != -1 &&
ioctl(fd, EVIOCGEFFECTS, &joydev.num_effects) != -1 &&
joydev.num_effects > 0)
{
TRACE(" ... with force feedback\n");
joydev.has_ff = TRUE;
}
#endif
for (j = 0; j < ABS_MAX;j ++)
{
if (!test_bit(joydev.absbits, j)) continue;
if (ioctl(fd, EVIOCGABS(j), &(joydev.axes[j])) != -1)
{
TRACE(" ... with axis %d: cur=%d, min=%d, max=%d, fuzz=%d, flat=%d\n",
j,
joydev.axes[j].value,
joydev.axes[j].minimum,
joydev.axes[j].maximum,
joydev.axes[j].fuzz,
joydev.axes[j].flat
);
}
}
if (ioctl(fd, EVIOCGID, &device_id) == -1)
{
WARN("ioctl(EVIOCGID) failed: %d %s\n", errno, strerror(errno));
joydev.guid_product = DInput_Wine_Joystick_Base_GUID;
}
else
{
joydev.vendor_id = device_id.vendor;
joydev.product_id = device_id.product;
joydev.bus_type = device_id.bustype;
/* Concatenate product_id with vendor_id to mimic Windows behaviour */
joydev.guid_product = DInput_PIDVID_Product_GUID;
joydev.guid_product.Data1 = MAKELONG(joydev.vendor_id, joydev.product_id);
}
if (!have_joydevs)
new_joydevs = HeapAlloc(GetProcessHeap(), 0, sizeof(struct JoyDev));
else
new_joydevs = HeapReAlloc(GetProcessHeap(), 0, joydevs, (1 + have_joydevs) * sizeof(struct JoyDev));
if (!new_joydevs)
{
close(fd);
continue;
}
joydevs = new_joydevs;
joydevs[have_joydevs] = joydev;
have_joydevs++;
close(fd);
}
}
static void fill_joystick_dideviceinstanceW(LPDIDEVICEINSTANCEW lpddi, DWORD version, int id)
{
DWORD dwSize = lpddi->dwSize;
TRACE("%d %p\n", dwSize, lpddi);
memset(lpddi, 0, dwSize);
lpddi->dwSize = dwSize;
lpddi->guidInstance = joydevs[id].guid;
lpddi->guidProduct = joydevs[id].guid_product;
lpddi->guidFFDriver = GUID_NULL;
lpddi->dwDevType = get_device_type(version, joydevs[id].is_joystick);
/* Assume the joystick as HID if it is attached to USB bus and has a valid VID/PID */
if (joydevs[id].bus_type == BUS_USB &&
joydevs[id].vendor_id && joydevs[id].product_id)
{
lpddi->dwDevType |= DIDEVTYPE_HID;
lpddi->wUsagePage = 0x01; /* Desktop */
if (joydevs[id].is_joystick)
lpddi->wUsage = 0x04; /* Joystick */
else
lpddi->wUsage = 0x05; /* Game Pad */
}
MultiByteToWideChar(CP_ACP, 0, joydevs[id].name, -1, lpddi->tszInstanceName, MAX_PATH);
MultiByteToWideChar(CP_ACP, 0, joydevs[id].name, -1, lpddi->tszProductName, MAX_PATH);
}
static HRESULT joydev_enum_device(DWORD dwDevType, DWORD dwFlags, LPDIDEVICEINSTANCEW lpddi, DWORD version, int id)
{
find_joydevs();
if (id >= have_joydevs) {
return E_FAIL;
}
if (!((dwDevType == 0) ||
((dwDevType == DIDEVTYPE_JOYSTICK) && (version >= 0x0300 && version < 0x0800)) ||
(((dwDevType == DI8DEVCLASS_GAMECTRL) || (dwDevType == DI8DEVTYPE_JOYSTICK)) && (version >= 0x0800))))
return S_FALSE;
#ifndef HAVE_STRUCT_FF_EFFECT_DIRECTION
if (dwFlags & DIEDFL_FORCEFEEDBACK)
return S_FALSE;
#endif
if (!(dwFlags & DIEDFL_FORCEFEEDBACK) || joydevs[id].has_ff) {
fill_joystick_dideviceinstanceW(lpddi, version, id);
return S_OK;
}
return S_FALSE;
}
static HRESULT alloc_device( REFGUID rguid, IDirectInputImpl *dinput, JoystickImpl **out, unsigned short index )
{
JoystickImpl* newDevice;
LPDIDATAFORMAT df = NULL;
int i, idx = 0;
int default_axis_map[WINE_JOYSTICK_MAX_AXES + WINE_JOYSTICK_MAX_POVS*2];
DIDEVICEINSTANCEW ddi;
HRESULT hr;
if (FAILED(hr = direct_input_device_alloc( sizeof(JoystickImpl), &JoystickWvt, rguid, dinput, (void **)&newDevice )))
return hr;
df = newDevice->generic.base.data_format.wine_df;
newDevice->generic.base.crit.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": JoystickImpl*->base.crit");
newDevice->generic.joy_polldev = joy_polldev;
newDevice->joyfd = -1;
newDevice->joydev = &joydevs[index];
newDevice->generic.name = newDevice->joydev->name;
list_init(&newDevice->ff_effects);
#ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
newDevice->ff_state = FF_STATUS_STOPPED;
#endif
/* There is no way in linux to query force feedback autocenter status.
Instead, track it with ff_autocenter, and assume it's initially
enabled. */
newDevice->ff_autocenter = 1;
newDevice->ff_gain = 0xFFFF;
/* Count number of available axes - supported Axis & POVs */
for (i = 0; i < ABS_MAX; i++)
{
if (idx < WINE_JOYSTICK_MAX_AXES &&
i < ABS_HAT0X &&
test_bit(newDevice->joydev->absbits, i))
{
newDevice->generic.device_axis_count++;
newDevice->dev_axes_to_di[i] = idx;
newDevice->generic.props[idx].lDevMin = newDevice->joydev->axes[i].minimum;
newDevice->generic.props[idx].lDevMax = newDevice->joydev->axes[i].maximum;
if (i >= 8 && i <= 10) /* If it's a wheel axis... */
default_axis_map[idx] = i - 8; /* ... remap to X/Y/Z */
else
default_axis_map[idx] = i;
idx++;
}
else
newDevice->dev_axes_to_di[i] = -1;
}
for (i = 0; i < WINE_JOYSTICK_MAX_POVS; i++)
{
if (test_bit(newDevice->joydev->absbits, ABS_HAT0X + i * 2) &&
test_bit(newDevice->joydev->absbits, ABS_HAT0Y + i * 2))
{
newDevice->generic.device_axis_count += 2;
newDevice->generic.props[idx ].lDevMin = newDevice->joydev->axes[ABS_HAT0X + i * 2].minimum;
newDevice->generic.props[idx ].lDevMax = newDevice->joydev->axes[ABS_HAT0X + i * 2].maximum;
newDevice->dev_axes_to_di[ABS_HAT0X + i * 2] = idx;
newDevice->generic.props[idx+1].lDevMin = newDevice->joydev->axes[ABS_HAT0Y + i * 2].minimum;
newDevice->generic.props[idx+1].lDevMax = newDevice->joydev->axes[ABS_HAT0Y + i * 2].maximum;
newDevice->dev_axes_to_di[ABS_HAT0Y + i * 2] = idx + 1;
default_axis_map[idx] = default_axis_map[idx + 1] = WINE_JOYSTICK_MAX_AXES + i;
idx += 2;
}
else
newDevice->dev_axes_to_di[ABS_HAT0X + i * 2] = newDevice->dev_axes_to_di[ABS_HAT0Y + i * 2] = -1;
}
/* do any user specified configuration */
if (setup_dinput_options(&newDevice->generic, default_axis_map) != DI_OK) goto failed;
/* Create copy of default data format */
memcpy(df, &c_dfDIJoystick2, c_dfDIJoystick2.dwSize);
if (!(df->rgodf = HeapAlloc(GetProcessHeap(), 0, df->dwNumObjs * df->dwObjSize))) goto failed;
/* Construct internal data format */
/* Supported Axis & POVs */
for (i = 0, idx = 0; i < newDevice->generic.device_axis_count; i++)
{
int wine_obj = newDevice->generic.axis_map[i];
if (wine_obj < 0) continue;
memcpy(&df->rgodf[idx], &c_dfDIJoystick2.rgodf[wine_obj], df->dwObjSize);
if (wine_obj < 8)
df->rgodf[idx].dwType = DIDFT_MAKEINSTANCE(wine_obj) | DIDFT_ABSAXIS;
else
{
df->rgodf[idx].dwType = DIDFT_MAKEINSTANCE(wine_obj - 8) | DIDFT_POV;
i++; /* POV takes 2 axes */
}
newDevice->generic.props[idx].lMin = 0;
newDevice->generic.props[idx].lMax = 0xffff;
newDevice->generic.props[idx].lSaturation = 0;
newDevice->generic.props[idx].lDeadZone = newDevice->generic.deadzone;
/* Linux supports force-feedback on X & Y axes only */
if (newDevice->joydev->has_ff && (i == 0 || i == 1))
df->rgodf[idx].dwFlags |= DIDOI_FFACTUATOR;
idx++;
}
/* Buttons can be anywhere, so check all */
for (i = 0; i < KEY_MAX && newDevice->generic.devcaps.dwButtons < WINE_JOYSTICK_MAX_BUTTONS; i++)
{
if (!test_bit(newDevice->joydev->keybits, i)) continue;
memcpy(&df->rgodf[idx], &c_dfDIJoystick2.rgodf[newDevice->generic.devcaps.dwButtons + 12], df->dwObjSize);
newDevice->buttons[i] = 0x80 | newDevice->generic.devcaps.dwButtons;
df->rgodf[idx ].pguid = &GUID_Button;
df->rgodf[idx++].dwType = DIDFT_MAKEINSTANCE(newDevice->generic.devcaps.dwButtons++) | DIDFT_PSHBUTTON;
}
df->dwNumObjs = idx;
fake_current_js_state(newDevice);
/* Fill the caps */
newDevice->generic.devcaps.dwSize = sizeof(newDevice->generic.devcaps);
newDevice->generic.devcaps.dwFlags = DIDC_ATTACHED;
ddi.dwSize = sizeof(ddi);
fill_joystick_dideviceinstanceW(&ddi, newDevice->generic.base.dinput->dwVersion, index);
newDevice->generic.devcaps.dwDevType = ddi.dwDevType;
if (newDevice->joydev->has_ff)
newDevice->generic.devcaps.dwFlags |= DIDC_FORCEFEEDBACK;
*out = newDevice;
return DI_OK;
failed:
if (df) HeapFree(GetProcessHeap(), 0, df->rgodf);
HeapFree(GetProcessHeap(), 0, df);
HeapFree(GetProcessHeap(), 0, newDevice->generic.axis_map);
HeapFree(GetProcessHeap(), 0, newDevice);
return DIERR_OUTOFMEMORY;
}
/******************************************************************************
* get_joystick_index : Get the joystick index from a given GUID
*/
static unsigned short get_joystick_index(REFGUID guid)
{
GUID wine_joystick = DInput_Wine_Joystick_Base_GUID;
GUID dev_guid = *guid;
INT i;
wine_joystick.Data3 = 0;
dev_guid.Data3 = 0;
/* for the standard joystick GUID use index 0 */
if(IsEqualGUID(&GUID_Joystick,guid)) return 0;
/* for the wine joystick GUIDs use the index stored in Data3 */
if(IsEqualGUID(&wine_joystick, &dev_guid)) return guid->Data3 - DInput_Wine_Joystick_Base_GUID.Data3;
for(i = 0; i < have_joydevs; i++)
if(IsEqualGUID(&joydevs[i].guid_product, guid)) return i;
return MAX_JOYDEV;
}
static HRESULT joydev_create_device( IDirectInputImpl *dinput, REFGUID rguid, IDirectInputDevice8W **out )
{
unsigned short index;
TRACE( "%p %s %p\n", dinput, debugstr_guid( rguid ), out );
find_joydevs();
*out = NULL;
if ((index = get_joystick_index(rguid)) < MAX_JOYDEV &&
have_joydevs && index < have_joydevs)
{
JoystickImpl *This;
HRESULT hr;
if (FAILED(hr = alloc_device( rguid, dinput, &This, index ))) return hr;
TRACE( "Created a Joystick device (%p)\n", This );
*out = &This->generic.base.IDirectInputDevice8W_iface;
return DI_OK;
}
return DIERR_DEVICENOTREG;
}
const struct dinput_device joystick_linuxinput_device = {
"Wine Linux-input joystick driver",
joydev_enum_device,
joydev_create_device
};
/******************************************************************************
* Acquire : gets exclusive control of the joystick
*/
static HRESULT WINAPI JoystickWImpl_Acquire(LPDIRECTINPUTDEVICE8W iface)
{
JoystickImpl *This = impl_from_IDirectInputDevice8W(iface);
HRESULT res;
TRACE("(this=%p)\n",This);
if ((res = IDirectInputDevice2WImpl_Acquire(iface)) != DI_OK)
{
WARN("Failed to acquire: %x\n", res);
return res;
}
if ((This->joyfd = open(This->joydev->device, O_RDWR)) == -1)
{
if ((This->joyfd = open(This->joydev->device, O_RDONLY)) == -1)
{
/* Couldn't open the device at all */
ERR("Failed to open device %s: %d %s\n", This->joydev->device, errno, strerror(errno));
IDirectInputDevice2WImpl_Unacquire(iface);
return DIERR_NOTFOUND;
}
else
{
/* Couldn't open in r/w but opened in read-only. */
WARN("Could not open %s in read-write mode. Force feedback will be disabled.\n", This->joydev->device);
}
}
else
{
struct input_event event;
event.type = EV_FF;
event.code = FF_GAIN;
event.value = This->ff_gain;
if (write(This->joyfd, &event, sizeof(event)) == -1)
ERR("Failed to set gain (%i): %d %s\n", This->ff_gain, errno, strerror(errno));
if (!This->ff_autocenter)
{
/* Disable autocenter. */
event.code = FF_AUTOCENTER;
event.value = 0;
if (write(This->joyfd, &event, sizeof(event)) == -1)
ERR("Failed disabling autocenter: %d %s\n", errno, strerror(errno));
}
}
return DI_OK;
}
/******************************************************************************
* Unacquire : frees the joystick
*/
static HRESULT WINAPI JoystickWImpl_Unacquire(LPDIRECTINPUTDEVICE8W iface)
{
JoystickImpl *This = impl_from_IDirectInputDevice8W(iface);
HRESULT res;
TRACE("(this=%p)\n",This);
res = IDirectInputDevice2WImpl_Unacquire(iface);
if (res==DI_OK && This->joyfd!=-1) {
struct input_event event;
/* Stop and unload all effects */
JoystickWImpl_SendForceFeedbackCommand(iface, DISFFC_RESET);
/* Enable autocenter. */
event.type = EV_FF;
event.code = FF_AUTOCENTER;
/* TODO: Read autocenter strength before disabling it, and use it here
* instead of 0xFFFF (maximum strength).
*/
event.value = 0xFFFF;
if (write(This->joyfd, &event, sizeof(event)) == -1)
ERR("Failed to set autocenter to %04x: %d %s\n", event.value, errno, strerror(errno));
close(This->joyfd);
This->joyfd = -1;
}
return res;
}
/*
* set the current state of the js device as it would be with the middle
* values on the axes
*/
#define CENTER_AXIS(a) \
(ji->dev_axes_to_di[a] == -1 ? 0 : joystick_map_axis( &ji->generic.props[ji->dev_axes_to_di[a]], \
ji->joydev->axes[a].value ))
static void fake_current_js_state(JoystickImpl *ji)
{
int i;
/* center the axes */
ji->generic.js.lX = CENTER_AXIS(ABS_X);
ji->generic.js.lY = CENTER_AXIS(ABS_Y);
ji->generic.js.lZ = CENTER_AXIS(ABS_Z);
ji->generic.js.lRx = CENTER_AXIS(ABS_RX);
ji->generic.js.lRy = CENTER_AXIS(ABS_RY);
ji->generic.js.lRz = CENTER_AXIS(ABS_RZ);
ji->generic.js.rglSlider[0] = CENTER_AXIS(ABS_THROTTLE);
ji->generic.js.rglSlider[1] = CENTER_AXIS(ABS_RUDDER);
/* POV center is -1 */
for (i = 0; i < 4; i++)
ji->generic.js.rgdwPOV[i] = -1;
}
#undef CENTER_AXIS
/* convert wine format offset to user format object index */
static void joy_polldev( IDirectInputDevice8W *iface )
{
struct pollfd plfd;
struct input_event ie;
JoystickImpl *This = impl_from_IDirectInputDevice8W( iface );
if (This->joyfd==-1)
return;
while (1)
{
LONG value = 0;
int inst_id = -1;
plfd.fd = This->joyfd;
plfd.events = POLLIN;
if (poll(&plfd,1,0) != 1)
return;
/* we have one event, so we can read */
if (sizeof(ie)!=read(This->joyfd,&ie,sizeof(ie)))
return;
TRACE("input_event: type %d, code %d, value %d\n",ie.type,ie.code,ie.value);
switch (ie.type) {
case EV_KEY: /* button */
{
int btn = This->buttons[ie.code];
TRACE("(%p) %d -> %d\n", This, ie.code, btn);
if (btn & 0x80)
{
btn &= 0x7F;
inst_id = DIDFT_MAKEINSTANCE(btn) | DIDFT_PSHBUTTON;
This->generic.js.rgbButtons[btn] = value = ie.value ? 0x80 : 0x00;
}
break;
}
case EV_ABS:
{
int axis = This->dev_axes_to_di[ie.code];
/* User axis remapping */
if (axis < 0) break;
axis = This->generic.axis_map[axis];
if (axis < 0) break;
inst_id = axis < 8 ? DIDFT_MAKEINSTANCE(axis) | DIDFT_ABSAXIS :
DIDFT_MAKEINSTANCE(axis - 8) | DIDFT_POV;
value = joystick_map_axis(&This->generic.props[id_to_object(This->generic.base.data_format.wine_df, inst_id)], ie.value);
switch (axis) {
case 0: This->generic.js.lX = value; break;
case 1: This->generic.js.lY = value; break;
case 2: This->generic.js.lZ = value; break;
case 3: This->generic.js.lRx = value; break;
case 4: This->generic.js.lRy = value; break;
case 5: This->generic.js.lRz = value; break;
case 6: This->generic.js.rglSlider[0] = value; break;
case 7: This->generic.js.rglSlider[1] = value; break;
case 8: case 9: case 10: case 11:
{
int idx = axis - 8;
if (ie.code % 2)
This->povs[idx].y = ie.value;
else
This->povs[idx].x = ie.value;
This->generic.js.rgdwPOV[idx] = value = joystick_map_pov(&This->povs[idx]);
break;
}
default:
FIXME("unhandled joystick axis event (code %d, value %d)\n",ie.code,ie.value);
}
break;
}
#ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
case EV_FF_STATUS:
This->ff_state = ie.value;
break;
#endif
#ifdef EV_SYN
case EV_SYN:
/* there is nothing to do */
break;
#endif
#ifdef EV_MSC
case EV_MSC:
/* Ignore */
break;
#endif
default:
TRACE("skipping event\n");
break;
}
if (inst_id >= 0)
{
queue_event(iface, inst_id,
value, GetCurrentTime(), This->generic.base.dinput->evsequence++);
if (This->generic.base.hEvent) SetEvent( This->generic.base.hEvent );
}
}
}
/******************************************************************************
* SetProperty : change input device properties
*/
static HRESULT WINAPI JoystickWImpl_SetProperty(LPDIRECTINPUTDEVICE8W iface, REFGUID rguid, LPCDIPROPHEADER ph)
{
JoystickImpl *This = impl_from_IDirectInputDevice8W(iface);
if (!ph) {
WARN("invalid argument\n");
return DIERR_INVALIDPARAM;
}
TRACE("(this=%p,%s,%p)\n",This,debugstr_guid(rguid),ph);
TRACE("ph.dwSize = %d, ph.dwHeaderSize =%d, ph.dwObj = %d, ph.dwHow= %d\n",
ph->dwSize, ph->dwHeaderSize, ph->dwObj, ph->dwHow);
if (IS_DIPROP(rguid)) {
switch (LOWORD(rguid)) {
case (DWORD_PTR)DIPROP_AUTOCENTER: {
LPCDIPROPDWORD pd = (LPCDIPROPDWORD)ph;
TRACE("autocenter(%d)\n", pd->dwData);
This->ff_autocenter = pd->dwData == DIPROPAUTOCENTER_ON;
break;
}
case (DWORD_PTR)DIPROP_FFGAIN: {
LPCDIPROPDWORD pd = (LPCDIPROPDWORD)ph;
TRACE("DIPROP_FFGAIN(%d)\n", pd->dwData);
This->ff_gain = MulDiv(pd->dwData, 0xFFFF, 10000);
if (This->generic.base.acquired) {
/* Update immediately. */
struct input_event event;
event.type = EV_FF;
event.code = FF_GAIN;
event.value = This->ff_gain;
if (write(This->joyfd, &event, sizeof(event)) == -1)
ERR("Failed to set gain (%i): %d %s\n", This->ff_gain, errno, strerror(errno));
}
break;
}
default:
return JoystickWGenericImpl_SetProperty(iface, rguid, ph);
}
}
return DI_OK;
}
/******************************************************************************
* GetProperty : get input device properties
*/
static HRESULT WINAPI JoystickWImpl_GetProperty(LPDIRECTINPUTDEVICE8W iface, REFGUID rguid, LPDIPROPHEADER pdiph)
{
JoystickImpl *This = impl_from_IDirectInputDevice8W(iface);
TRACE("(%p)->(%s,%p)\n", This, debugstr_guid(rguid), pdiph);
_dump_DIPROPHEADER(pdiph);
if (!IS_DIPROP(rguid)) return DI_OK;
switch (LOWORD(rguid)) {
case (DWORD_PTR) DIPROP_AUTOCENTER:
{
LPDIPROPDWORD pd = (LPDIPROPDWORD)pdiph;
pd->dwData = This->ff_autocenter ? DIPROPAUTOCENTER_ON : DIPROPAUTOCENTER_OFF;
TRACE("autocenter(%d)\n", pd->dwData);
break;
}
case (DWORD_PTR) DIPROP_FFGAIN:
{
LPDIPROPDWORD pd = (LPDIPROPDWORD)pdiph;
pd->dwData = MulDiv(This->ff_gain, 10000, 0xFFFF);
TRACE("DIPROP_FFGAIN(%d)\n", pd->dwData);
break;
}
case (DWORD_PTR) DIPROP_VIDPID:
{
LPDIPROPDWORD pd = (LPDIPROPDWORD)pdiph;
if (!This->joydev->product_id || !This->joydev->vendor_id)
return DIERR_UNSUPPORTED;
pd->dwData = MAKELONG(This->joydev->vendor_id, This->joydev->product_id);
TRACE("DIPROP_VIDPID(%08x)\n", pd->dwData);
break;
}
case (DWORD_PTR) DIPROP_JOYSTICKID:
{
LPDIPROPDWORD pd = (LPDIPROPDWORD)pdiph;
pd->dwData = get_joystick_index(&This->generic.base.guid);
TRACE("DIPROP_JOYSTICKID(%d)\n", pd->dwData);
break;
}
case (DWORD_PTR) DIPROP_GUIDANDPATH:
{
static const WCHAR formatW[] = {'\\','\\','?','\\','h','i','d','#','v','i','d','_','%','0','4','x','&',
'p','i','d','_','%','0','4','x','&','%','s','_','%','h','u',0};
static const WCHAR miW[] = {'m','i',0};
static const WCHAR igW[] = {'i','g',0};
BOOL is_gamepad;
LPDIPROPGUIDANDPATH pd = (LPDIPROPGUIDANDPATH)pdiph;
WORD vid = This->joydev->vendor_id;
WORD pid = This->joydev->product_id;
if (!pid || !vid)
return DIERR_UNSUPPORTED;
is_gamepad = is_xinput_device(&This->generic.devcaps, vid, pid);
pd->guidClass = GUID_DEVCLASS_HIDCLASS;
sprintfW(pd->wszPath, formatW, vid, pid, is_gamepad ? igW : miW, get_joystick_index(&This->generic.base.guid));
TRACE("DIPROP_GUIDANDPATH(%s, %s): returning fake path\n", debugstr_guid(&pd->guidClass), debugstr_w(pd->wszPath));
break;
}
default:
return JoystickWGenericImpl_GetProperty(iface, rguid, pdiph);
}
return DI_OK;
}
/******************************************************************************
* CreateEffect - Create a new FF effect with the specified params
*/
static HRESULT WINAPI JoystickWImpl_CreateEffect(LPDIRECTINPUTDEVICE8W iface, REFGUID rguid,
LPCDIEFFECT lpeff, LPDIRECTINPUTEFFECT *ppdef,
LPUNKNOWN pUnkOuter)
{
#ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
effect_list_item* new_effect = NULL;
HRESULT retval = DI_OK;
#endif
JoystickImpl* This = impl_from_IDirectInputDevice8W(iface);
TRACE("(this=%p,%p,%p,%p,%p)\n", This, rguid, lpeff, ppdef, pUnkOuter);
*ppdef = NULL;
if (!This->joydev->has_ff)
{
TRACE("No force feedback support\n");
return DIERR_UNSUPPORTED;
}
#ifndef HAVE_STRUCT_FF_EFFECT_DIRECTION
TRACE("not available (compiled w/o force feedback support)\n");
return DIERR_UNSUPPORTED;
#else
if (!(new_effect = HeapAlloc(GetProcessHeap(), 0, sizeof(*new_effect))))
return DIERR_OUTOFMEMORY;
retval = linuxinput_create_effect(&This->joyfd, rguid, &new_effect->entry, &new_effect->ref);
if (retval != DI_OK)
{
HeapFree(GetProcessHeap(), 0, new_effect);
return retval;
}
if (lpeff != NULL)
{
retval = IDirectInputEffect_SetParameters(new_effect->ref, lpeff,
DIEP_AXES | DIEP_DIRECTION | DIEP_DURATION | DIEP_ENVELOPE |
DIEP_GAIN | DIEP_SAMPLEPERIOD | DIEP_STARTDELAY | DIEP_TRIGGERBUTTON |
DIEP_TRIGGERREPEATINTERVAL | DIEP_TYPESPECIFICPARAMS);
if (retval != DI_OK && retval != DI_DOWNLOADSKIPPED)
{
HeapFree(GetProcessHeap(), 0, new_effect);
return retval;
}
}
list_add_tail(&This->ff_effects, &new_effect->entry);
*ppdef = new_effect->ref;
if (pUnkOuter != NULL)
FIXME("Interface aggregation not implemented.\n");
return DI_OK;
#endif /* HAVE_STRUCT_FF_EFFECT_DIRECTION */
}
/*******************************************************************************
* EnumEffects - Enumerate available FF effects
*/
static HRESULT WINAPI JoystickWImpl_EnumEffects(LPDIRECTINPUTDEVICE8W iface,
LPDIENUMEFFECTSCALLBACKW lpCallback,
LPVOID pvRef,
DWORD dwEffType)
{
#ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
/* seems silly to duplicate all this code but all the structures and functions
* are actually different (A/W) */
DIEFFECTINFOW dei; /* feif */
DWORD type = DIEFT_GETTYPE(dwEffType);
JoystickImpl* This = impl_from_IDirectInputDevice8W(iface);
int xfd = This->joyfd;
TRACE("(this=%p,%p,%d) type=%d fd=%d\n", This, pvRef, dwEffType, type, xfd);
dei.dwSize = sizeof(DIEFFECTINFOW);
if ((type == DIEFT_ALL || type == DIEFT_CONSTANTFORCE)
&& test_bit(This->joydev->ffbits, FF_CONSTANT)) {
IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_ConstantForce);
(*lpCallback)(&dei, pvRef);
}
if ((type == DIEFT_ALL || type == DIEFT_PERIODIC)
&& test_bit(This->joydev->ffbits, FF_PERIODIC)) {
if (test_bit(This->joydev->ffbits, FF_SQUARE)) {
IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Square);
(*lpCallback)(&dei, pvRef);
}
if (test_bit(This->joydev->ffbits, FF_SINE)) {
IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Sine);
(*lpCallback)(&dei, pvRef);
}
if (test_bit(This->joydev->ffbits, FF_TRIANGLE)) {
IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Triangle);
(*lpCallback)(&dei, pvRef);
}
if (test_bit(This->joydev->ffbits, FF_SAW_UP)) {
IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_SawtoothUp);
(*lpCallback)(&dei, pvRef);
}
if (test_bit(This->joydev->ffbits, FF_SAW_DOWN)) {
IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_SawtoothDown);
(*lpCallback)(&dei, pvRef);
}
}
if ((type == DIEFT_ALL || type == DIEFT_RAMPFORCE)
&& test_bit(This->joydev->ffbits, FF_RAMP)) {
IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_RampForce);
(*lpCallback)(&dei, pvRef);
}
if (type == DIEFT_ALL || type == DIEFT_CONDITION) {
if (test_bit(This->joydev->ffbits, FF_SPRING)) {
IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Spring);
(*lpCallback)(&dei, pvRef);
}
if (test_bit(This->joydev->ffbits, FF_DAMPER)) {
IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Damper);
(*lpCallback)(&dei, pvRef);
}
if (test_bit(This->joydev->ffbits, FF_INERTIA)) {
IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Inertia);
(*lpCallback)(&dei, pvRef);
}
if (test_bit(This->joydev->ffbits, FF_FRICTION)) {
IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Friction);
(*lpCallback)(&dei, pvRef);
}
}
/* return to unacquired state if that's where it was */
if (xfd == -1)
IDirectInputDevice8_Unacquire(iface);
#endif
return DI_OK;
}
/*******************************************************************************
* GetEffectInfo - Get information about a particular effect
*/
static HRESULT WINAPI JoystickWImpl_GetEffectInfo(LPDIRECTINPUTDEVICE8W iface,
LPDIEFFECTINFOW pdei,
REFGUID guid)
{
JoystickImpl* This = impl_from_IDirectInputDevice8W(iface);
TRACE("(this=%p,%p,%s)\n", This, pdei, _dump_dinput_GUID(guid));
#ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
return linuxinput_get_info_W(This->joyfd, guid, pdei);
#else
return DI_OK;
#endif
}
/*******************************************************************************
* GetForceFeedbackState - Get information about the device's FF state
*/
static HRESULT WINAPI JoystickWImpl_GetForceFeedbackState(LPDIRECTINPUTDEVICE8W iface, LPDWORD pdwOut)
{
JoystickImpl* This = impl_from_IDirectInputDevice8W(iface);
TRACE("(this=%p,%p)\n", This, pdwOut);
(*pdwOut) = 0;
#ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
/* DIGFFS_STOPPED is the only mandatory flag to report */
if (This->ff_state == FF_STATUS_STOPPED)
(*pdwOut) |= DIGFFS_STOPPED;
#endif
return DI_OK;
}
/*******************************************************************************
* SendForceFeedbackCommand - Send a command to the device's FF system
*/
static HRESULT WINAPI JoystickWImpl_SendForceFeedbackCommand(LPDIRECTINPUTDEVICE8W iface, DWORD dwFlags)
{
JoystickImpl* This = impl_from_IDirectInputDevice8W(iface);
TRACE("(this=%p,%d)\n", This, dwFlags);
#ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
switch (dwFlags)
{
case DISFFC_STOPALL:
{
effect_list_item *itr;
/* Stop all effects */
LIST_FOR_EACH_ENTRY(itr, &This->ff_effects, effect_list_item, entry)
IDirectInputEffect_Stop(itr->ref);
break;
}
case DISFFC_RESET:
{
effect_list_item *itr;
/* Stop and unload all effects. It is not true that effects are released */
LIST_FOR_EACH_ENTRY(itr, &This->ff_effects, effect_list_item, entry)
{
IDirectInputEffect_Stop(itr->ref);
IDirectInputEffect_Unload(itr->ref);
}
break;
}
case DISFFC_PAUSE:
case DISFFC_CONTINUE:
FIXME("No support for Pause or Continue in linux\n");
break;
case DISFFC_SETACTUATORSOFF:
case DISFFC_SETACTUATORSON:
FIXME("No direct actuator control in linux\n");
break;
default:
WARN("Unknown Force Feedback Command %u!\n", dwFlags);
return DIERR_INVALIDPARAM;
}
return DI_OK;
#else
return DIERR_UNSUPPORTED;
#endif
}
/*******************************************************************************
* EnumCreatedEffectObjects - Enumerate all the effects that have been
* created for this device.
*/
static HRESULT WINAPI JoystickWImpl_EnumCreatedEffectObjects(LPDIRECTINPUTDEVICE8W iface,
LPDIENUMCREATEDEFFECTOBJECTSCALLBACK lpCallback,
LPVOID pvRef, DWORD dwFlags)
{
/* this function is safe to call on non-ff-enabled builds */
JoystickImpl* This = impl_from_IDirectInputDevice8W(iface);
effect_list_item *itr, *ptr;
TRACE("(this=%p,%p,%p,%d)\n", This, lpCallback, pvRef, dwFlags);
if (!lpCallback)
return DIERR_INVALIDPARAM;
if (dwFlags != 0)
FIXME("Flags specified, but no flags exist yet (DX9)!\n");
LIST_FOR_EACH_ENTRY_SAFE(itr, ptr, &This->ff_effects, effect_list_item, entry)
(*lpCallback)(itr->ref, pvRef);
return DI_OK;
}
/******************************************************************************
* GetDeviceInfo : get information about a device's identity
*/
static HRESULT WINAPI JoystickWImpl_GetDeviceInfo(LPDIRECTINPUTDEVICE8W iface,
LPDIDEVICEINSTANCEW pdidi)
{
JoystickImpl *This = impl_from_IDirectInputDevice8W(iface);
TRACE("(%p) %p\n", This, pdidi);
if (pdidi == NULL) return E_POINTER;
if ((pdidi->dwSize != sizeof(DIDEVICEINSTANCE_DX3W)) &&
(pdidi->dwSize != sizeof(DIDEVICEINSTANCEW)))
return DIERR_INVALIDPARAM;
fill_joystick_dideviceinstanceW(pdidi, This->generic.base.dinput->dwVersion,
get_joystick_index(&This->generic.base.guid));
pdidi->guidInstance = This->generic.base.guid;
return DI_OK;
}
static const IDirectInputDevice8WVtbl JoystickWvt =
{
IDirectInputDevice2WImpl_QueryInterface,
IDirectInputDevice2WImpl_AddRef,
JoystickWGenericImpl_Release,
JoystickWGenericImpl_GetCapabilities,
IDirectInputDevice2WImpl_EnumObjects,
JoystickWImpl_GetProperty,
JoystickWImpl_SetProperty,
JoystickWImpl_Acquire,
JoystickWImpl_Unacquire,
JoystickWGenericImpl_GetDeviceState,
IDirectInputDevice2WImpl_GetDeviceData,
IDirectInputDevice2WImpl_SetDataFormat,
IDirectInputDevice2WImpl_SetEventNotification,
IDirectInputDevice2WImpl_SetCooperativeLevel,
JoystickWGenericImpl_GetObjectInfo,
JoystickWImpl_GetDeviceInfo,
IDirectInputDevice2WImpl_RunControlPanel,
IDirectInputDevice2WImpl_Initialize,
JoystickWImpl_CreateEffect,
JoystickWImpl_EnumEffects,
JoystickWImpl_GetEffectInfo,
JoystickWImpl_GetForceFeedbackState,
JoystickWImpl_SendForceFeedbackCommand,
JoystickWImpl_EnumCreatedEffectObjects,
IDirectInputDevice2WImpl_Escape,
JoystickWGenericImpl_Poll,
IDirectInputDevice2WImpl_SendDeviceData,
IDirectInputDevice7WImpl_EnumEffectsInFile,
IDirectInputDevice7WImpl_WriteEffectToFile,
JoystickWGenericImpl_BuildActionMap,
JoystickWGenericImpl_SetActionMap,
IDirectInputDevice8WImpl_GetImageInfo
};
#else /* HAS_PROPER_HEADER */
const struct dinput_device joystick_linuxinput_device = {
"Wine Linux-input joystick driver",
NULL,
NULL,
};
#endif /* HAS_PROPER_HEADER */
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