Sweden-Number/dlls/winebus.sys/bus_iohid.c

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/* Bus like function for mac HID devices
*
* Copyright 2016 CodeWeavers, Aric Stewart
*
* 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 <stdarg.h>
#if defined(HAVE_IOKIT_HID_IOHIDLIB_H)
#define DWORD UInt32
#define LPDWORD UInt32*
#define LONG SInt32
#define LPLONG SInt32*
#define E_PENDING __carbon_E_PENDING
#define ULONG __carbon_ULONG
#define E_INVALIDARG __carbon_E_INVALIDARG
#define E_OUTOFMEMORY __carbon_E_OUTOFMEMORY
#define E_HANDLE __carbon_E_HANDLE
#define E_ACCESSDENIED __carbon_E_ACCESSDENIED
#define E_UNEXPECTED __carbon_E_UNEXPECTED
#define E_FAIL __carbon_E_FAIL
#define E_ABORT __carbon_E_ABORT
#define E_POINTER __carbon_E_POINTER
#define E_NOINTERFACE __carbon_E_NOINTERFACE
#define E_NOTIMPL __carbon_E_NOTIMPL
#define S_FALSE __carbon_S_FALSE
#define S_OK __carbon_S_OK
#define HRESULT_FACILITY __carbon_HRESULT_FACILITY
#define IS_ERROR __carbon_IS_ERROR
#define FAILED __carbon_FAILED
#define SUCCEEDED __carbon_SUCCEEDED
#define MAKE_HRESULT __carbon_MAKE_HRESULT
#define HRESULT __carbon_HRESULT
#define STDMETHODCALLTYPE __carbon_STDMETHODCALLTYPE
#define PAGE_SHIFT __carbon_PAGE_SHIFT
#include <IOKit/IOKitLib.h>
#include <IOKit/hid/IOHIDLib.h>
#undef ULONG
#undef E_INVALIDARG
#undef E_OUTOFMEMORY
#undef E_HANDLE
#undef E_ACCESSDENIED
#undef E_UNEXPECTED
#undef E_FAIL
#undef E_ABORT
#undef E_POINTER
#undef E_NOINTERFACE
#undef E_NOTIMPL
#undef S_FALSE
#undef S_OK
#undef HRESULT_FACILITY
#undef IS_ERROR
#undef FAILED
#undef SUCCEEDED
#undef MAKE_HRESULT
#undef HRESULT
#undef STDMETHODCALLTYPE
#undef DWORD
#undef LPDWORD
#undef LONG
#undef LPLONG
#undef E_PENDING
#undef PAGE_SHIFT
#endif /* HAVE_IOKIT_HID_IOHIDLIB_H */
#define NONAMELESSUNION
#include "ntstatus.h"
#define WIN32_NO_STATUS
#include "windef.h"
#include "winbase.h"
#include "winternl.h"
#include "winioctl.h"
#include "ddk/wdm.h"
#include "ddk/hidtypes.h"
#include "wine/debug.h"
#include "bus.h"
WINE_DEFAULT_DEBUG_CHANNEL(plugplay);
#ifdef HAVE_IOHIDMANAGERCREATE
static IOHIDManagerRef hid_manager;
static CFRunLoopRef run_loop;
static HANDLE run_loop_handle;
static const WCHAR busidW[] = {'I','O','H','I','D',0};
struct platform_private
{
IOHIDDeviceRef device;
uint8_t *buffer;
};
static inline struct platform_private *impl_from_DEVICE_OBJECT(DEVICE_OBJECT *device)
{
return (struct platform_private *)get_platform_private(device);
}
static void CFStringToWSTR(CFStringRef cstr, LPWSTR wstr, int length)
{
int len = min(CFStringGetLength(cstr), length-1);
CFStringGetCharacters(cstr, CFRangeMake(0, len), (UniChar*)wstr);
wstr[len] = 0;
}
static DWORD CFNumberToDWORD(CFNumberRef num)
{
int dwNum = 0;
if (num)
CFNumberGetValue(num, kCFNumberIntType, &dwNum);
return dwNum;
}
static void handle_IOHIDDeviceIOHIDReportCallback(void *context,
IOReturn result, void *sender, IOHIDReportType type,
uint32_t reportID, uint8_t *report, CFIndex report_length)
{
DEVICE_OBJECT *device = (DEVICE_OBJECT*)context;
process_hid_report(device, report, report_length);
}
static int compare_platform_device(DEVICE_OBJECT *device, void *platform_dev)
{
struct platform_private *private = impl_from_DEVICE_OBJECT(device);
IOHIDDeviceRef dev2 = (IOHIDDeviceRef)platform_dev;
if (private->device != dev2)
return 1;
else
return 0;
}
static NTSTATUS get_reportdescriptor(DEVICE_OBJECT *device, BYTE *buffer, DWORD length, DWORD *out_length)
{
struct platform_private *private = impl_from_DEVICE_OBJECT(device);
CFDataRef data = IOHIDDeviceGetProperty(private->device, CFSTR(kIOHIDReportDescriptorKey));
int data_length = CFDataGetLength(data);
const UInt8 *ptr;
*out_length = data_length;
if (length < data_length)
return STATUS_BUFFER_TOO_SMALL;
ptr = CFDataGetBytePtr(data);
memcpy(buffer, ptr, data_length);
return STATUS_SUCCESS;
}
static NTSTATUS get_string(DEVICE_OBJECT *device, DWORD index, WCHAR *buffer, DWORD length)
{
struct platform_private *private = impl_from_DEVICE_OBJECT(device);
CFStringRef str;
switch (index)
{
case HID_STRING_ID_IPRODUCT:
str = IOHIDDeviceGetProperty(private->device, CFSTR(kIOHIDProductKey));
break;
case HID_STRING_ID_IMANUFACTURER:
str = IOHIDDeviceGetProperty(private->device, CFSTR(kIOHIDManufacturerKey));
break;
case HID_STRING_ID_ISERIALNUMBER:
str = IOHIDDeviceGetProperty(private->device, CFSTR(kIOHIDSerialNumberKey));
break;
default:
ERR("Unknown string index\n");
return STATUS_NOT_IMPLEMENTED;
}
if (str)
{
if (length < CFStringGetLength(str) + 1)
return STATUS_BUFFER_TOO_SMALL;
CFStringToWSTR(str, buffer, length);
}
else
{
if (!length) return STATUS_BUFFER_TOO_SMALL;
buffer[0] = 0;
}
return STATUS_SUCCESS;
}
static NTSTATUS begin_report_processing(DEVICE_OBJECT *device)
{
DWORD length;
struct platform_private *private = impl_from_DEVICE_OBJECT(device);
CFNumberRef num;
if (private->buffer)
return STATUS_SUCCESS;
num = IOHIDDeviceGetProperty(private->device, CFSTR(kIOHIDMaxInputReportSizeKey));
length = CFNumberToDWORD(num);
private->buffer = HeapAlloc(GetProcessHeap(), 0, length);
IOHIDDeviceRegisterInputReportCallback(private->device, private->buffer, length, handle_IOHIDDeviceIOHIDReportCallback, device);
return STATUS_SUCCESS;
}
static NTSTATUS set_output_report(DEVICE_OBJECT *device, UCHAR id, BYTE *report, DWORD length, ULONG_PTR *written)
{
IOReturn result;
struct platform_private *private = impl_from_DEVICE_OBJECT(device);
result = IOHIDDeviceSetReport(private->device, kIOHIDReportTypeOutput, id, report, length);
if (result == kIOReturnSuccess)
{
*written = length;
return STATUS_SUCCESS;
}
else
{
*written = 0;
return STATUS_UNSUCCESSFUL;
}
}
static NTSTATUS get_feature_report(DEVICE_OBJECT *device, UCHAR id, BYTE *report, DWORD length, ULONG_PTR *read)
{
IOReturn ret;
CFIndex report_length = length;
struct platform_private *private = impl_from_DEVICE_OBJECT(device);
ret = IOHIDDeviceGetReport(private->device, kIOHIDReportTypeFeature, id, report, &report_length);
if (ret == kIOReturnSuccess)
{
*read = report_length;
return STATUS_SUCCESS;
}
else
{
*read = 0;
return STATUS_UNSUCCESSFUL;
}
}
static NTSTATUS set_feature_report(DEVICE_OBJECT *device, UCHAR id, BYTE *report, DWORD length, ULONG_PTR *written)
{
IOReturn result;
struct platform_private *private = impl_from_DEVICE_OBJECT(device);
result = IOHIDDeviceSetReport(private->device, kIOHIDReportTypeFeature, id, report, length);
if (result == kIOReturnSuccess)
{
*written = length;
return STATUS_SUCCESS;
}
else
{
*written = 0;
return STATUS_UNSUCCESSFUL;
}
}
static const platform_vtbl iohid_vtbl =
{
compare_platform_device,
get_reportdescriptor,
get_string,
begin_report_processing,
set_output_report,
get_feature_report,
set_feature_report,
};
static void handle_DeviceMatchingCallback(void *context, IOReturn result, void *sender, IOHIDDeviceRef IOHIDDevice)
{
DEVICE_OBJECT *device;
DWORD vid, pid, version, uid;
CFStringRef str = NULL;
WCHAR serial_string[256];
BOOL is_gamepad = FALSE;
WORD input = -1;
TRACE("OS/X IOHID Device Added %p\n", IOHIDDevice);
vid = CFNumberToDWORD(IOHIDDeviceGetProperty(IOHIDDevice, CFSTR(kIOHIDVendorIDKey)));
pid = CFNumberToDWORD(IOHIDDeviceGetProperty(IOHIDDevice, CFSTR(kIOHIDProductIDKey)));
version = CFNumberToDWORD(IOHIDDeviceGetProperty(IOHIDDevice, CFSTR(kIOHIDVersionNumberKey)));
str = IOHIDDeviceGetProperty(IOHIDDevice, CFSTR(kIOHIDSerialNumberKey));
if (str) CFStringToWSTR(str, serial_string, ARRAY_SIZE(serial_string));
uid = CFNumberToDWORD(IOHIDDeviceGetProperty(IOHIDDevice, CFSTR(kIOHIDLocationIDKey)));
if (IOHIDDeviceConformsTo(IOHIDDevice, kHIDPage_GenericDesktop, kHIDUsage_GD_GamePad) ||
IOHIDDeviceConformsTo(IOHIDDevice, kHIDPage_GenericDesktop, kHIDUsage_GD_Joystick))
{
if (is_xbox_gamepad(vid, pid))
is_gamepad = TRUE;
else
{
int axes=0, buttons=0;
CFArrayRef element_array = IOHIDDeviceCopyMatchingElements(
IOHIDDevice, NULL, kIOHIDOptionsTypeNone);
if (element_array) {
CFIndex index;
CFIndex count = CFArrayGetCount(element_array);
for (index = 0; index < count; index++)
{
IOHIDElementRef element = (IOHIDElementRef)CFArrayGetValueAtIndex(element_array, index);
if (element)
{
int type = IOHIDElementGetType(element);
if (type == kIOHIDElementTypeInput_Button) buttons++;
if (type == kIOHIDElementTypeInput_Axis) axes++;
if (type == kIOHIDElementTypeInput_Misc)
{
uint32_t usage = IOHIDElementGetUsage(element);
switch (usage)
{
case kHIDUsage_GD_X:
case kHIDUsage_GD_Y:
case kHIDUsage_GD_Z:
case kHIDUsage_GD_Rx:
case kHIDUsage_GD_Ry:
case kHIDUsage_GD_Rz:
case kHIDUsage_GD_Slider:
axes ++;
}
}
}
}
CFRelease(element_array);
}
is_gamepad = (axes == 6 && buttons >= 14);
}
}
if (is_gamepad)
input = 0;
device = bus_create_hid_device(busidW, vid, pid, input,
version, uid, str ? serial_string : NULL, is_gamepad,
&iohid_vtbl, sizeof(struct platform_private));
if (!device)
ERR("Failed to create device\n");
else
{
struct platform_private *private = impl_from_DEVICE_OBJECT(device);
private->device = IOHIDDevice;
private->buffer = NULL;
IoInvalidateDeviceRelations(bus_pdo, BusRelations);
}
}
static void handle_RemovalCallback(void *context, IOReturn result, void *sender, IOHIDDeviceRef IOHIDDevice)
{
DEVICE_OBJECT *device;
TRACE("OS/X IOHID Device Removed %p\n", IOHIDDevice);
IOHIDDeviceRegisterInputReportCallback(IOHIDDevice, NULL, 0, NULL, NULL);
/* Note: Yes, we leak the buffer. But according to research there is no
safe way to deallocate that buffer. */
device = bus_find_hid_device(&iohid_vtbl, IOHIDDevice);
if (device)
{
bus_unlink_hid_device(device);
IoInvalidateDeviceRelations(bus_pdo, BusRelations);
bus_remove_hid_device(device);
}
}
/* This puts the relevant run loop for event handling into a WINE thread */
static DWORD CALLBACK runloop_thread(void *args)
{
run_loop = CFRunLoopGetCurrent();
IOHIDManagerSetDeviceMatching(hid_manager, NULL);
IOHIDManagerRegisterDeviceMatchingCallback(hid_manager, handle_DeviceMatchingCallback, NULL);
IOHIDManagerRegisterDeviceRemovalCallback(hid_manager, handle_RemovalCallback, NULL);
IOHIDManagerScheduleWithRunLoop(hid_manager, run_loop, kCFRunLoopDefaultMode);
if (IOHIDManagerOpen( hid_manager, 0 ) != kIOReturnSuccess)
{
ERR("Couldn't open IOHIDManager.\n");
IOHIDManagerUnscheduleFromRunLoop(hid_manager, run_loop, kCFRunLoopDefaultMode);
CFRelease(hid_manager);
return 0;
}
CFRunLoopRun();
TRACE("Run Loop exiting\n");
return 1;
}
NTSTATUS iohid_driver_init(void)
{
hid_manager = IOHIDManagerCreate(kCFAllocatorDefault, 0L);
if (!(run_loop_handle = CreateThread(NULL, 0, runloop_thread, NULL, 0, NULL)))
{
ERR("Failed to initialize IOHID Manager thread\n");
CFRelease(hid_manager);
return STATUS_UNSUCCESSFUL;
}
TRACE("Initialization successful\n");
return STATUS_SUCCESS;
}
void iohid_driver_unload( void )
{
TRACE("Unloading Driver\n");
if (!run_loop_handle)
return;
IOHIDManagerUnscheduleFromRunLoop(hid_manager, run_loop, kCFRunLoopDefaultMode);
CFRunLoopStop(run_loop);
WaitForSingleObject(run_loop_handle, INFINITE);
CloseHandle(run_loop_handle);
IOHIDManagerRegisterDeviceMatchingCallback(hid_manager, NULL, NULL);
IOHIDManagerRegisterDeviceRemovalCallback(hid_manager, NULL, NULL);
CFRelease(hid_manager);
TRACE("Driver Unloaded\n");
}
#else
NTSTATUS iohid_driver_init(void)
{
return STATUS_NOT_IMPLEMENTED;
}
void iohid_driver_unload( void )
{
TRACE("Stub: Unload Driver\n");
}
#endif /* HAVE_IOHIDMANAGERCREATE */