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wine/dlls/dinput/joystick_linux.c
Rémi Bernon 26c1131201 dinput: Use a single list for all acquired devices. 
Instead of going through devices list of dinputs list, and checking
their acquired field, which is not CPU friendly.

This also removes the now unused IDirectInputImpl critical section and
devices list.

Signed-off-by: Rémi Bernon <rbernon@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
2020-06-09 21:23:33 +02:00

999 lines
33 KiB
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/* DirectInput Joystick device
*
* Copyright 1998 Marcus Meissner
* Copyright 1998,1999 Lionel Ulmer
* Copyright 2000-2001 TransGaming Technologies Inc.
*
* 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
*/
/*
* To Do:
* dead zone
* force feedback
*/
#include "config.h"
#include "wine/port.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_IOCTL_H
# include <linux/ioctl.h>
#endif
#ifdef HAVE_LINUX_JOYSTICK_H
# include <linux/joystick.h>
# undef SW_MAX
#endif
#ifdef HAVE_SYS_POLL_H
# include <sys/poll.h>
#endif
#include "wine/debug.h"
#include "wine/unicode.h"
#include "windef.h"
#include "winbase.h"
#include "winerror.h"
#include "devguid.h"
#include "dinput.h"
#include "dinput_private.h"
#include "device_private.h"
#include "joystick_private.h"
#ifdef HAVE_LINUX_22_JOYSTICK_API
WINE_DEFAULT_DEBUG_CHANNEL(dinput);
#define JOYDEV_NEW "/dev/input/js"
#define JOYDEV_OLD "/dev/js"
#define JOYDEVDRIVER " (js)"
struct JoyDev
{
char device[MAX_PATH];
char name[MAX_PATH];
GUID guid_product;
BYTE axis_count;
BYTE button_count;
int *dev_axes_map;
WORD vendor_id, product_id, bus_type;
BOOL is_joystick;
};
typedef struct JoystickImpl JoystickImpl;
static const IDirectInputDevice8AVtbl JoystickAvt;
static const IDirectInputDevice8WVtbl JoystickWvt;
struct JoystickImpl
{
struct JoystickGenericImpl generic;
struct JoyDev *joydev;
/* joystick private */
int joyfd;
POINTL povs[4];
};
static inline JoystickImpl *impl_from_IDirectInputDevice8A(IDirectInputDevice8A *iface)
{
return CONTAINING_RECORD(CONTAINING_RECORD(CONTAINING_RECORD(iface, IDirectInputDeviceImpl, IDirectInputDevice8A_iface),
JoystickGenericImpl, base), JoystickImpl, generic);
}
static inline JoystickImpl *impl_from_IDirectInputDevice8W(IDirectInputDevice8W *iface)
{
return CONTAINING_RECORD(CONTAINING_RECORD(CONTAINING_RECORD(iface, IDirectInputDeviceImpl, IDirectInputDevice8W_iface),
JoystickGenericImpl, base), JoystickImpl, generic);
}
static inline IDirectInputDevice8W *IDirectInputDevice8W_from_impl(JoystickImpl *This)
{
return &This->generic.base.IDirectInputDevice8W_iface;
}
static const GUID DInput_Wine_Joystick_GUID = { /* 9e573ed9-7734-11d2-8d4a-23903fb6bdf7 */
0x9e573ed9,
0x7734,
0x11d2,
{0x8d, 0x4a, 0x23, 0x90, 0x3f, 0xb6, 0xbd, 0xf7}
};
#define MAX_JOYSTICKS 64
static INT joystick_devices_count = -1;
static struct JoyDev *joystick_devices;
static void joy_polldev(LPDIRECTINPUTDEVICE8A iface);
#define SYS_PATH_FORMAT "/sys/class/input/js%d/device/id/%s"
static BOOL read_sys_id_variable(int index, const char *property, WORD *value)
{
char sys_path[sizeof(SYS_PATH_FORMAT) + 16], id_str[5];
int sys_fd;
BOOL ret = FALSE;
sprintf(sys_path, SYS_PATH_FORMAT, index, property);
if ((sys_fd = open(sys_path, O_RDONLY)) != -1)
{
if (read(sys_fd, id_str, 4) == 4)
{
id_str[4] = '\0';
*value = strtol(id_str, NULL, 16);
ret = TRUE;
}
close(sys_fd);
}
return ret;
}
#undef SYS_PATH_FORMAT
static INT find_joystick_devices(void)
{
INT i;
if (joystick_devices_count != -1) return joystick_devices_count;
joystick_devices_count = 0;
for (i = 0; i < MAX_JOYSTICKS; i++)
{
int fd;
struct JoyDev joydev, *new_joydevs;
BYTE axes_map[ABS_MAX + 1];
SHORT btn_map[KEY_MAX - BTN_MISC + 1];
BOOL non_js = FALSE;
snprintf(joydev.device, sizeof(joydev.device), "%s%d", JOYDEV_NEW, i);
if ((fd = open(joydev.device, O_RDONLY)) == -1)
{
snprintf(joydev.device, sizeof(joydev.device), "%s%d", JOYDEV_OLD, i);
if ((fd = open(joydev.device, O_RDONLY)) == -1) continue;
}
strcpy(joydev.name, "Wine Joystick");
#if defined(JSIOCGNAME)
if (ioctl(fd, JSIOCGNAME(sizeof(joydev.name) - sizeof(JOYDEVDRIVER)), joydev.name) < 0)
WARN("ioctl(%s,JSIOCGNAME) failed: %s\n", joydev.device, strerror(errno));
#endif
/* Append driver name */
strcat(joydev.name, JOYDEVDRIVER);
if (device_disabled_registry(joydev.name)) {
close(fd);
continue;
}
#ifdef JSIOCGAXES
if (ioctl(fd, JSIOCGAXES, &joydev.axis_count) < 0)
{
WARN("ioctl(%s,JSIOCGAXES) failed: %s, defaulting to 2\n", joydev.device, strerror(errno));
joydev.axis_count = 2;
}
#else
WARN("reading number of joystick axes unsupported in this platform, defaulting to 2\n");
joydev.axis_count = 2;
#endif
#ifdef JSIOCGBUTTONS
if (ioctl(fd, JSIOCGBUTTONS, &joydev.button_count) < 0)
{
WARN("ioctl(%s,JSIOCGBUTTONS) failed: %s, defaulting to 2\n", joydev.device, strerror(errno));
joydev.button_count = 2;
}
#else
WARN("reading number of joystick buttons unsupported in this platform, defaulting to 2\n");
joydev.button_count = 2;
#endif
joydev.is_joystick = FALSE;
if (ioctl(fd, JSIOCGBTNMAP, btn_map) < 0)
{
WARN("ioctl(%s,JSIOCGBTNMAP) failed: %s\n", joydev.device, strerror(errno));
}
else
{
INT j;
/* in lieu of properly reporting HID usage, detect presence of
* "joystick buttons" and report those devices as joysticks instead of
* gamepads */
for (j = 0; !joydev.is_joystick && j < joydev.button_count; j++)
{
switch (btn_map[j])
{
case BTN_TRIGGER:
case BTN_THUMB:
case BTN_THUMB2:
case BTN_TOP:
case BTN_TOP2:
case BTN_PINKIE:
case BTN_BASE:
case BTN_BASE2:
case BTN_BASE3:
case BTN_BASE4:
case BTN_BASE5:
case BTN_BASE6:
case BTN_DEAD:
joydev.is_joystick = TRUE;
break;
case BTN_MOUSE:
case BTN_STYLUS:
non_js = TRUE;
break;
default:
break;
}
}
}
if(non_js)
{
TRACE("Non-joystick detected. Skipping\n");
close(fd);
continue;
}
if (ioctl(fd, JSIOCGAXMAP, axes_map) < 0)
{
WARN("ioctl(%s,JSIOCGAXMAP) failed: %s\n", joydev.device, strerror(errno));
joydev.dev_axes_map = NULL;
}
else
if ((joydev.dev_axes_map = HeapAlloc(GetProcessHeap(), 0, joydev.axis_count * sizeof(int))))
{
INT j, found_axes = 0;
/* Remap to DI numbers */
for (j = 0; j < joydev.axis_count; j++)
{
if (axes_map[j] < 8)
{
/* Axis match 1-to-1 */
joydev.dev_axes_map[j] = j;
found_axes++;
}
else if (axes_map[j] <= 10)
{
/* Axes 8 through 10 are Wheel, Gas and Brake,
* remap to 0, 1 and 2
*/
joydev.dev_axes_map[j] = axes_map[j] - 8;
found_axes++;
}
else if (axes_map[j] == 16 ||
axes_map[j] == 17)
{
/* POV axis */
joydev.dev_axes_map[j] = 8;
found_axes++;
}
else
joydev.dev_axes_map[j] = -1;
}
/* If no axes were configured but there are axes assume a 1-to-1 (wii controller) */
if (joydev.axis_count && !found_axes)
{
int axes_limit = min(joydev.axis_count, 8); /* generic driver limit */
ERR("Incoherent joystick data, advertised %d axes, detected 0. Assuming 1-to-1.\n",
joydev.axis_count);
for (j = 0; j < axes_limit; j++)
joydev.dev_axes_map[j] = j;
joydev.axis_count = axes_limit;
}
}
/* Find vendor_id and product_id in sysfs */
joydev.vendor_id = 0;
joydev.product_id = 0;
read_sys_id_variable(i, "vendor", &joydev.vendor_id);
read_sys_id_variable(i, "product", &joydev.product_id);
read_sys_id_variable(i, "bustype", &joydev.bus_type);
if (joydev.vendor_id == 0 || joydev.product_id == 0)
{
joydev.guid_product = DInput_Wine_Joystick_GUID;
}
else
{
/* 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);
}
close(fd);
if (!joystick_devices_count)
new_joydevs = HeapAlloc(GetProcessHeap(), 0, sizeof(struct JoyDev));
else
new_joydevs = HeapReAlloc(GetProcessHeap(), 0, joystick_devices,
(joystick_devices_count + 1) * sizeof(struct JoyDev));
if (!new_joydevs) continue;
TRACE("Found a joystick on %s: %s\n with %d axes and %d buttons\n", joydev.device,
joydev.name, joydev.axis_count, joydev.button_count);
joystick_devices = new_joydevs;
joystick_devices[joystick_devices_count++] = joydev;
}
return joystick_devices_count;
}
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);
/* Return joystick */
lpddi->dwSize = dwSize;
lpddi->guidInstance = DInput_Wine_Joystick_GUID;
lpddi->guidInstance.Data3 = id;
lpddi->guidProduct = joystick_devices[id].guid_product;
lpddi->dwDevType = get_device_type(version, joystick_devices[id].is_joystick);
/* Assume the joystick as HID if it is attached to USB bus and has a valid VID/PID */
if (joystick_devices[id].bus_type == BUS_USB &&
joystick_devices[id].vendor_id && joystick_devices[id].product_id)
{
lpddi->dwDevType |= DIDEVTYPE_HID;
lpddi->wUsagePage = 0x01; /* Desktop */
if (joystick_devices[id].is_joystick)
lpddi->wUsage = 0x04; /* Joystick */
else
lpddi->wUsage = 0x05; /* Game Pad */
}
MultiByteToWideChar(CP_ACP, 0, joystick_devices[id].name, -1, lpddi->tszInstanceName, MAX_PATH);
MultiByteToWideChar(CP_ACP, 0, joystick_devices[id].name, -1, lpddi->tszProductName, MAX_PATH);
lpddi->guidFFDriver = GUID_NULL;
}
static void fill_joystick_dideviceinstanceA(LPDIDEVICEINSTANCEA lpddi, DWORD version, int id)
{
DIDEVICEINSTANCEW lpddiW;
DWORD dwSize = lpddi->dwSize;
lpddiW.dwSize = sizeof(lpddiW);
fill_joystick_dideviceinstanceW(&lpddiW, version, id);
TRACE("%d %p\n", dwSize, lpddi);
memset(lpddi, 0, dwSize);
/* Convert W->A */
lpddi->dwSize = dwSize;
lpddi->guidInstance = lpddiW.guidInstance;
lpddi->guidProduct = lpddiW.guidProduct;
lpddi->dwDevType = lpddiW.dwDevType;
strcpy(lpddi->tszInstanceName, joystick_devices[id].name);
strcpy(lpddi->tszProductName, joystick_devices[id].name);
lpddi->guidFFDriver = lpddiW.guidFFDriver;
lpddi->wUsagePage = lpddiW.wUsagePage;
lpddi->wUsage = lpddiW.wUsage;
}
static HRESULT joydev_enum_deviceA(DWORD dwDevType, DWORD dwFlags, LPDIDEVICEINSTANCEA lpddi, DWORD version, int id)
{
int fd = -1;
if (id >= find_joystick_devices()) return E_FAIL;
if (dwFlags & DIEDFL_FORCEFEEDBACK) {
WARN("force feedback not supported\n");
return S_FALSE;
}
if ((dwDevType == 0) ||
((dwDevType == DIDEVTYPE_JOYSTICK) && (version >= 0x0300 && version < 0x0800)) ||
(((dwDevType == DI8DEVCLASS_GAMECTRL) || (dwDevType == DI8DEVTYPE_JOYSTICK)) && (version >= 0x0800))) {
/* check whether we have a joystick */
if ((fd = open(joystick_devices[id].device, O_RDONLY)) == -1)
{
WARN("open(%s, O_RDONLY) failed: %s\n", joystick_devices[id].device, strerror(errno));
return S_FALSE;
}
fill_joystick_dideviceinstanceA( lpddi, version, id );
close(fd);
TRACE("Enumerating the linux Joystick device: %s (%s)\n", joystick_devices[id].device, joystick_devices[id].name);
return S_OK;
}
return S_FALSE;
}
static HRESULT joydev_enum_deviceW(DWORD dwDevType, DWORD dwFlags, LPDIDEVICEINSTANCEW lpddi, DWORD version, int id)
{
int fd = -1;
if (id >= find_joystick_devices()) return E_FAIL;
if (dwFlags & DIEDFL_FORCEFEEDBACK) {
WARN("force feedback not supported\n");
return S_FALSE;
}
if ((dwDevType == 0) ||
((dwDevType == DIDEVTYPE_JOYSTICK) && (version >= 0x0300 && version < 0x0800)) ||
(((dwDevType == DI8DEVCLASS_GAMECTRL) || (dwDevType == DI8DEVTYPE_JOYSTICK)) && (version >= 0x0800))) {
/* check whether we have a joystick */
if ((fd = open(joystick_devices[id].device, O_RDONLY)) == -1)
{
WARN("open(%s, O_RDONLY) failed: %s\n", joystick_devices[id].device, strerror(errno));
return S_FALSE;
}
fill_joystick_dideviceinstanceW( lpddi, version, id );
close(fd);
TRACE("Enumerating the linux Joystick device: %s (%s)\n", joystick_devices[id].device, joystick_devices[id].name);
return S_OK;
}
return S_FALSE;
}
static HRESULT alloc_device(REFGUID rguid, IDirectInputImpl *dinput,
JoystickImpl **pdev, unsigned short index)
{
DWORD i;
JoystickImpl* newDevice;
HRESULT hr;
LPDIDATAFORMAT df = NULL;
int idx = 0;
DIDEVICEINSTANCEW ddi;
TRACE("%s %p %p %hu\n", debugstr_guid(rguid), dinput, pdev, index);
newDevice = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(JoystickImpl));
if (newDevice == 0) {
WARN("out of memory\n");
*pdev = 0;
return DIERR_OUTOFMEMORY;
}
newDevice->joydev = &joystick_devices[index];
newDevice->joyfd = -1;
newDevice->generic.guidInstance = DInput_Wine_Joystick_GUID;
newDevice->generic.guidInstance.Data3 = index;
newDevice->generic.guidProduct = DInput_Wine_Joystick_GUID;
newDevice->generic.joy_polldev = joy_polldev;
newDevice->generic.name = newDevice->joydev->name;
newDevice->generic.device_axis_count = newDevice->joydev->axis_count;
newDevice->generic.devcaps.dwButtons = newDevice->joydev->button_count;
if (newDevice->generic.devcaps.dwButtons > 128)
{
WARN("Can't support %d buttons. Clamping down to 128\n", newDevice->generic.devcaps.dwButtons);
newDevice->generic.devcaps.dwButtons = 128;
}
newDevice->generic.base.IDirectInputDevice8A_iface.lpVtbl = &JoystickAvt;
newDevice->generic.base.IDirectInputDevice8W_iface.lpVtbl = &JoystickWvt;
newDevice->generic.base.ref = 1;
newDevice->generic.base.dinput = dinput;
newDevice->generic.base.guid = *rguid;
InitializeCriticalSection(&newDevice->generic.base.crit);
newDevice->generic.base.crit.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": JoystickImpl*->generic.base.crit");
/* setup_dinput_options may change these */
newDevice->generic.deadzone = 0;
/* do any user specified configuration */
hr = setup_dinput_options(&newDevice->generic, newDevice->joydev->dev_axes_map);
if (hr != DI_OK)
goto FAILED1;
/* Create copy of default data format */
if (!(df = HeapAlloc(GetProcessHeap(), 0, c_dfDIJoystick2.dwSize))) goto FAILED;
memcpy(df, &c_dfDIJoystick2, c_dfDIJoystick2.dwSize);
df->dwNumObjs = newDevice->generic.devcaps.dwAxes + newDevice->generic.devcaps.dwPOVs + newDevice->generic.devcaps.dwButtons;
if (!(df->rgodf = HeapAlloc(GetProcessHeap(), 0, df->dwNumObjs * df->dwObjSize))) goto FAILED;
for (i = 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 */
}
}
for (i = 0; i < newDevice->generic.devcaps.dwButtons; i++)
{
memcpy(&df->rgodf[idx], &c_dfDIJoystick2.rgodf[i + 12], df->dwObjSize);
df->rgodf[idx ].pguid = &GUID_Button;
df->rgodf[idx++].dwType = DIDFT_MAKEINSTANCE(i) | DIDFT_PSHBUTTON;
}
newDevice->generic.base.data_format.wine_df = df;
/* initialize default properties */
for (i = 0; i < c_dfDIJoystick2.dwNumObjs; i++) {
newDevice->generic.props[i].lDevMin = -32767;
newDevice->generic.props[i].lDevMax = +32767;
newDevice->generic.props[i].lMin = 0;
newDevice->generic.props[i].lMax = 0xffff;
newDevice->generic.props[i].lDeadZone = newDevice->generic.deadzone; /* % * 1000 */
newDevice->generic.props[i].lSaturation = 0;
}
IDirectInput_AddRef(&newDevice->generic.base.dinput->IDirectInput7A_iface);
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;
newDevice->generic.devcaps.dwFFSamplePeriod = 0;
newDevice->generic.devcaps.dwFFMinTimeResolution = 0;
newDevice->generic.devcaps.dwFirmwareRevision = 0;
newDevice->generic.devcaps.dwHardwareRevision = 0;
newDevice->generic.devcaps.dwFFDriverVersion = 0;
if (TRACE_ON(dinput)) {
_dump_DIDATAFORMAT(newDevice->generic.base.data_format.wine_df);
for (i = 0; i < (newDevice->generic.device_axis_count); i++)
TRACE("axis_map[%d] = %d\n", i, newDevice->generic.axis_map[i]);
_dump_DIDEVCAPS(&newDevice->generic.devcaps);
}
*pdev = newDevice;
return DI_OK;
FAILED:
hr = DIERR_OUTOFMEMORY;
FAILED1:
if (df) HeapFree(GetProcessHeap(), 0, df->rgodf);
HeapFree(GetProcessHeap(), 0, df);
release_DataFormat(&newDevice->generic.base.data_format);
HeapFree(GetProcessHeap(),0,newDevice->generic.axis_map);
HeapFree(GetProcessHeap(),0,newDevice);
*pdev = 0;
return hr;
}
/******************************************************************************
* 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_GUID;
GUID dev_guid = *guid;
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;
return MAX_JOYSTICKS;
}
static HRESULT joydev_create_device(IDirectInputImpl *dinput, REFGUID rguid, REFIID riid, LPVOID *pdev, int unicode)
{
unsigned short index;
TRACE("%p %s %s %p %i\n", dinput, debugstr_guid(rguid), debugstr_guid(riid), pdev, unicode);
find_joystick_devices();
*pdev = NULL;
if ((index = get_joystick_index(rguid)) < MAX_JOYSTICKS &&
joystick_devices_count && index < joystick_devices_count)
{
JoystickImpl *This;
HRESULT hr;
if (riid == NULL)
;/* nothing */
else if (IsEqualGUID(&IID_IDirectInputDeviceA, riid) ||
IsEqualGUID(&IID_IDirectInputDevice2A, riid) ||
IsEqualGUID(&IID_IDirectInputDevice7A, riid) ||
IsEqualGUID(&IID_IDirectInputDevice8A, riid))
{
unicode = 0;
}
else if (IsEqualGUID(&IID_IDirectInputDeviceW, riid) ||
IsEqualGUID(&IID_IDirectInputDevice2W, riid) ||
IsEqualGUID(&IID_IDirectInputDevice7W, riid) ||
IsEqualGUID(&IID_IDirectInputDevice8W, riid))
{
unicode = 1;
}
else
{
WARN("no interface\n");
return DIERR_NOINTERFACE;
}
hr = alloc_device(rguid, dinput, &This, index);
if (!This) return hr;
if (unicode)
*pdev = &This->generic.base.IDirectInputDevice8W_iface;
else
*pdev = &This->generic.base.IDirectInputDevice8A_iface;
return hr;
}
return DIERR_DEVICENOTREG;
}
#undef MAX_JOYSTICKS
const struct dinput_device joystick_linux_device = {
"Wine Linux joystick driver",
joydev_enum_deviceA,
joydev_enum_deviceW,
joydev_create_device
};
/******************************************************************************
* Acquire : gets exclusive control of the joystick
*/
static HRESULT WINAPI JoystickLinuxWImpl_Acquire(LPDIRECTINPUTDEVICE8W iface)
{
JoystickImpl *This = impl_from_IDirectInputDevice8W(iface);
HRESULT res;
TRACE("(%p)\n",This);
res = IDirectInputDevice2WImpl_Acquire(iface);
if (res != DI_OK)
return res;
/* open the joystick device */
if (This->joyfd==-1) {
TRACE("opening joystick device %s\n", This->joydev->device);
This->joyfd = open(This->joydev->device, O_RDONLY);
if (This->joyfd==-1) {
ERR("open(%s) failed: %s\n", This->joydev->device, strerror(errno));
IDirectInputDevice2WImpl_Unacquire(iface);
return DIERR_NOTFOUND;
}
}
return DI_OK;
}
static HRESULT WINAPI JoystickLinuxAImpl_Acquire(LPDIRECTINPUTDEVICE8A iface)
{
JoystickImpl *This = impl_from_IDirectInputDevice8A(iface);
return JoystickLinuxWImpl_Acquire(IDirectInputDevice8W_from_impl(This));
}
/******************************************************************************
* GetProperty : get input device properties
*/
static HRESULT WINAPI JoystickLinuxWImpl_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_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;
}
static HRESULT WINAPI JoystickLinuxAImpl_GetProperty(LPDIRECTINPUTDEVICE8A iface, REFGUID rguid, LPDIPROPHEADER pdiph)
{
JoystickImpl *This = impl_from_IDirectInputDevice8A(iface);
return JoystickLinuxWImpl_GetProperty(IDirectInputDevice8W_from_impl(This), rguid, pdiph);
}
/******************************************************************************
* GetDeviceInfo : get information about a device's identity
*/
static HRESULT WINAPI JoystickLinuxAImpl_GetDeviceInfo(LPDIRECTINPUTDEVICE8A iface, LPDIDEVICEINSTANCEA ddi)
{
JoystickImpl *This = impl_from_IDirectInputDevice8A(iface);
TRACE("(%p) %p\n", This, ddi);
if (ddi == NULL) return E_POINTER;
if ((ddi->dwSize != sizeof(DIDEVICEINSTANCE_DX3A)) &&
(ddi->dwSize != sizeof(DIDEVICEINSTANCEA)))
return DIERR_INVALIDPARAM;
fill_joystick_dideviceinstanceA( ddi, This->generic.base.dinput->dwVersion,
get_joystick_index(&This->generic.base.guid) );
return DI_OK;
}
static HRESULT WINAPI JoystickLinuxWImpl_GetDeviceInfo(LPDIRECTINPUTDEVICE8W iface, LPDIDEVICEINSTANCEW ddi)
{
JoystickImpl *This = impl_from_IDirectInputDevice8W(iface);
TRACE("(%p) %p\n", This, ddi);
if (ddi == NULL) return E_POINTER;
if ((ddi->dwSize != sizeof(DIDEVICEINSTANCE_DX3W)) &&
(ddi->dwSize != sizeof(DIDEVICEINSTANCEW)))
return DIERR_INVALIDPARAM;
fill_joystick_dideviceinstanceW( ddi, This->generic.base.dinput->dwVersion,
get_joystick_index(&This->generic.base.guid) );
return DI_OK;
}
/******************************************************************************
* Unacquire : frees the joystick
*/
static HRESULT WINAPI JoystickLinuxWImpl_Unacquire(LPDIRECTINPUTDEVICE8W iface)
{
JoystickImpl *This = impl_from_IDirectInputDevice8W(iface);
HRESULT res;
TRACE("(%p)\n",This);
res = IDirectInputDevice2WImpl_Unacquire(iface);
if (res != DI_OK)
return res;
if (This->joyfd!=-1) {
TRACE("closing joystick device\n");
close(This->joyfd);
This->joyfd = -1;
return DI_OK;
}
return DI_NOEFFECT;
}
static HRESULT WINAPI JoystickLinuxAImpl_Unacquire(LPDIRECTINPUTDEVICE8A iface)
{
JoystickImpl *This = impl_from_IDirectInputDevice8A(iface);
return JoystickLinuxWImpl_Unacquire(IDirectInputDevice8W_from_impl(This));
}
static void joy_polldev(LPDIRECTINPUTDEVICE8A iface)
{
struct pollfd plfd;
struct js_event jse;
JoystickImpl *This = impl_from_IDirectInputDevice8A(iface);
TRACE("(%p)\n", This);
if (This->joyfd==-1) {
WARN("no device\n");
return;
}
while (1)
{
LONG value;
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(jse)!=read(This->joyfd,&jse,sizeof(jse))) {
return;
}
TRACE("js_event: type 0x%x, number %d, value %d\n",
jse.type,jse.number,jse.value);
if (jse.type & JS_EVENT_BUTTON)
{
if (jse.number >= This->generic.devcaps.dwButtons) return;
inst_id = DIDFT_MAKEINSTANCE(jse.number) | DIDFT_PSHBUTTON;
This->generic.js.rgbButtons[jse.number] = value = jse.value ? 0x80 : 0x00;
}
else if (jse.type & JS_EVENT_AXIS)
{
int number = This->generic.axis_map[jse.number]; /* wine format object index */
if (number < 0) return;
inst_id = number < 8 ? DIDFT_MAKEINSTANCE(number) | DIDFT_ABSAXIS :
DIDFT_MAKEINSTANCE(number - 8) | DIDFT_POV;
value = joystick_map_axis(&This->generic.props[id_to_object(This->generic.base.data_format.wine_df, inst_id)], jse.value);
TRACE("changing axis %d => %d\n", jse.number, number);
switch (number)
{
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 = number - 8;
if (jse.number % 2)
This->povs[idx].y = jse.value;
else
This->povs[idx].x = jse.value;
This->generic.js.rgdwPOV[idx] = value = joystick_map_pov(&This->povs[idx]);
break;
}
default:
WARN("axis %d not supported\n", number);
}
}
if (inst_id >= 0)
queue_event(iface, inst_id, value, GetCurrentTime(), This->generic.base.dinput->evsequence++);
}
}
static const IDirectInputDevice8AVtbl JoystickAvt =
{
IDirectInputDevice2AImpl_QueryInterface,
IDirectInputDevice2AImpl_AddRef,
IDirectInputDevice2AImpl_Release,
JoystickAGenericImpl_GetCapabilities,
IDirectInputDevice2AImpl_EnumObjects,
JoystickLinuxAImpl_GetProperty,
JoystickAGenericImpl_SetProperty,
JoystickLinuxAImpl_Acquire,
JoystickLinuxAImpl_Unacquire,
JoystickAGenericImpl_GetDeviceState,
IDirectInputDevice2AImpl_GetDeviceData,
IDirectInputDevice2AImpl_SetDataFormat,
IDirectInputDevice2AImpl_SetEventNotification,
IDirectInputDevice2AImpl_SetCooperativeLevel,
JoystickAGenericImpl_GetObjectInfo,
JoystickLinuxAImpl_GetDeviceInfo,
IDirectInputDevice2AImpl_RunControlPanel,
IDirectInputDevice2AImpl_Initialize,
IDirectInputDevice2AImpl_CreateEffect,
IDirectInputDevice2AImpl_EnumEffects,
IDirectInputDevice2AImpl_GetEffectInfo,
IDirectInputDevice2AImpl_GetForceFeedbackState,
IDirectInputDevice2AImpl_SendForceFeedbackCommand,
IDirectInputDevice2AImpl_EnumCreatedEffectObjects,
IDirectInputDevice2AImpl_Escape,
JoystickAGenericImpl_Poll,
IDirectInputDevice2AImpl_SendDeviceData,
IDirectInputDevice7AImpl_EnumEffectsInFile,
IDirectInputDevice7AImpl_WriteEffectToFile,
JoystickAGenericImpl_BuildActionMap,
JoystickAGenericImpl_SetActionMap,
IDirectInputDevice8AImpl_GetImageInfo
};
static const IDirectInputDevice8WVtbl JoystickWvt =
{
IDirectInputDevice2WImpl_QueryInterface,
IDirectInputDevice2WImpl_AddRef,
IDirectInputDevice2WImpl_Release,
JoystickWGenericImpl_GetCapabilities,
IDirectInputDevice2WImpl_EnumObjects,
JoystickLinuxWImpl_GetProperty,
JoystickWGenericImpl_SetProperty,
JoystickLinuxWImpl_Acquire,
JoystickLinuxWImpl_Unacquire,
JoystickWGenericImpl_GetDeviceState,
IDirectInputDevice2WImpl_GetDeviceData,
IDirectInputDevice2WImpl_SetDataFormat,
IDirectInputDevice2WImpl_SetEventNotification,
IDirectInputDevice2WImpl_SetCooperativeLevel,
JoystickWGenericImpl_GetObjectInfo,
JoystickLinuxWImpl_GetDeviceInfo,
IDirectInputDevice2WImpl_RunControlPanel,
IDirectInputDevice2WImpl_Initialize,
IDirectInputDevice2WImpl_CreateEffect,
IDirectInputDevice2WImpl_EnumEffects,
IDirectInputDevice2WImpl_GetEffectInfo,
IDirectInputDevice2WImpl_GetForceFeedbackState,
IDirectInputDevice2WImpl_SendForceFeedbackCommand,
IDirectInputDevice2WImpl_EnumCreatedEffectObjects,
IDirectInputDevice2WImpl_Escape,
JoystickWGenericImpl_Poll,
IDirectInputDevice2WImpl_SendDeviceData,
IDirectInputDevice7WImpl_EnumEffectsInFile,
IDirectInputDevice7WImpl_WriteEffectToFile,
JoystickWGenericImpl_BuildActionMap,
JoystickWGenericImpl_SetActionMap,
IDirectInputDevice8WImpl_GetImageInfo
};
#else /* HAVE_LINUX_22_JOYSTICK_API */
const struct dinput_device joystick_linux_device = {
"Wine Linux joystick driver",
NULL,
NULL,
NULL
};
#endif /* HAVE_LINUX_22_JOYSTICK_API */
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