446 lines
14 KiB
C
446 lines
14 KiB
C
/* Bus like function for mac HID devices
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*
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* Copyright 2016 CodeWeavers, Aric Stewart
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "config.h"
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#include "wine/port.h"
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#include <stdarg.h>
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#if defined(HAVE_IOKIT_HID_IOHIDLIB_H)
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#define DWORD UInt32
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#define LPDWORD UInt32*
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#define LONG SInt32
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#define LPLONG SInt32*
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#define E_PENDING __carbon_E_PENDING
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#define ULONG __carbon_ULONG
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#define E_INVALIDARG __carbon_E_INVALIDARG
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#define E_OUTOFMEMORY __carbon_E_OUTOFMEMORY
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#define E_HANDLE __carbon_E_HANDLE
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#define E_ACCESSDENIED __carbon_E_ACCESSDENIED
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#define E_UNEXPECTED __carbon_E_UNEXPECTED
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#define E_FAIL __carbon_E_FAIL
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#define E_ABORT __carbon_E_ABORT
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#define E_POINTER __carbon_E_POINTER
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#define E_NOINTERFACE __carbon_E_NOINTERFACE
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#define E_NOTIMPL __carbon_E_NOTIMPL
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#define S_FALSE __carbon_S_FALSE
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#define S_OK __carbon_S_OK
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#define HRESULT_FACILITY __carbon_HRESULT_FACILITY
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#define IS_ERROR __carbon_IS_ERROR
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#define FAILED __carbon_FAILED
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#define SUCCEEDED __carbon_SUCCEEDED
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#define MAKE_HRESULT __carbon_MAKE_HRESULT
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#define HRESULT __carbon_HRESULT
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#define STDMETHODCALLTYPE __carbon_STDMETHODCALLTYPE
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#define PAGE_SHIFT __carbon_PAGE_SHIFT
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#include <IOKit/IOKitLib.h>
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#include <IOKit/hid/IOHIDLib.h>
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#undef ULONG
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#undef E_INVALIDARG
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#undef E_OUTOFMEMORY
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#undef E_HANDLE
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#undef E_ACCESSDENIED
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#undef E_UNEXPECTED
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#undef E_FAIL
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#undef E_ABORT
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#undef E_POINTER
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#undef E_NOINTERFACE
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#undef E_NOTIMPL
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#undef S_FALSE
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#undef S_OK
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#undef HRESULT_FACILITY
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#undef IS_ERROR
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#undef FAILED
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#undef SUCCEEDED
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#undef MAKE_HRESULT
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#undef HRESULT
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#undef STDMETHODCALLTYPE
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#undef DWORD
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#undef LPDWORD
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#undef LONG
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#undef LPLONG
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#undef E_PENDING
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#undef PAGE_SHIFT
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#endif /* HAVE_IOKIT_HID_IOHIDLIB_H */
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#define NONAMELESSUNION
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#include "ntstatus.h"
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#define WIN32_NO_STATUS
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#include "windef.h"
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#include "winbase.h"
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#include "winternl.h"
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#include "winioctl.h"
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#include "ddk/wdm.h"
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#include "ddk/hidtypes.h"
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#include "wine/debug.h"
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#include "bus.h"
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WINE_DEFAULT_DEBUG_CHANNEL(plugplay);
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#ifdef HAVE_IOHIDMANAGERCREATE
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static IOHIDManagerRef hid_manager;
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static CFRunLoopRef run_loop;
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static HANDLE run_loop_handle;
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static const WCHAR busidW[] = {'I','O','H','I','D',0};
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#include "initguid.h"
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DEFINE_GUID(GUID_DEVCLASS_IOHID, 0x989D309D,0x0470,0x4E1A,0x89,0x38,0x50,0x1F,0x42,0xBD,0x9A,0xCD);
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struct platform_private
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{
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IOHIDDeviceRef device;
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uint8_t *buffer;
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};
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static inline struct platform_private *impl_from_DEVICE_OBJECT(DEVICE_OBJECT *device)
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{
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return (struct platform_private *)get_platform_private(device);
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}
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static void CFStringToWSTR(CFStringRef cstr, LPWSTR wstr, int length)
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{
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int len = min(CFStringGetLength(cstr), length-1);
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CFStringGetCharacters(cstr, CFRangeMake(0, len), (UniChar*)wstr);
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wstr[len] = 0;
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}
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static DWORD CFNumberToDWORD(CFNumberRef num)
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{
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int dwNum = 0;
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if (num)
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CFNumberGetValue(num, kCFNumberIntType, &dwNum);
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return dwNum;
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}
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static void handle_IOHIDDeviceIOHIDReportCallback(void *context,
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IOReturn result, void *sender, IOHIDReportType type,
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uint32_t reportID, uint8_t *report, CFIndex report_length)
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{
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DEVICE_OBJECT *device = (DEVICE_OBJECT*)context;
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process_hid_report(device, report, report_length);
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}
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static int compare_platform_device(DEVICE_OBJECT *device, void *platform_dev)
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{
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struct platform_private *private = impl_from_DEVICE_OBJECT(device);
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IOHIDDeviceRef dev2 = (IOHIDDeviceRef)platform_dev;
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if (private->device != dev2)
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return 1;
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else
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return 0;
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}
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static NTSTATUS get_reportdescriptor(DEVICE_OBJECT *device, BYTE *buffer, DWORD length, DWORD *out_length)
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{
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struct platform_private *private = impl_from_DEVICE_OBJECT(device);
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CFDataRef data = IOHIDDeviceGetProperty(private->device, CFSTR(kIOHIDReportDescriptorKey));
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int data_length = CFDataGetLength(data);
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const UInt8 *ptr;
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*out_length = data_length;
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if (length < data_length)
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return STATUS_BUFFER_TOO_SMALL;
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ptr = CFDataGetBytePtr(data);
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memcpy(buffer, ptr, data_length);
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return STATUS_SUCCESS;
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}
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static NTSTATUS get_string(DEVICE_OBJECT *device, DWORD index, WCHAR *buffer, DWORD length)
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{
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struct platform_private *private = impl_from_DEVICE_OBJECT(device);
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CFStringRef str;
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switch (index)
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{
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case HID_STRING_ID_IPRODUCT:
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str = IOHIDDeviceGetProperty(private->device, CFSTR(kIOHIDProductKey));
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break;
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case HID_STRING_ID_IMANUFACTURER:
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str = IOHIDDeviceGetProperty(private->device, CFSTR(kIOHIDManufacturerKey));
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break;
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case HID_STRING_ID_ISERIALNUMBER:
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str = IOHIDDeviceGetProperty(private->device, CFSTR(kIOHIDSerialNumberKey));
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break;
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default:
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ERR("Unknown string index\n");
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return STATUS_NOT_IMPLEMENTED;
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}
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if (str)
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{
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if (length < CFStringGetLength(str) + 1)
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return STATUS_BUFFER_TOO_SMALL;
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CFStringToWSTR(str, buffer, length);
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}
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else
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{
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if (!length) return STATUS_BUFFER_TOO_SMALL;
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buffer[0] = 0;
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}
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return STATUS_SUCCESS;
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}
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static NTSTATUS begin_report_processing(DEVICE_OBJECT *device)
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{
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DWORD length;
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struct platform_private *private = impl_from_DEVICE_OBJECT(device);
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CFNumberRef num;
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if (private->buffer)
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return STATUS_SUCCESS;
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num = IOHIDDeviceGetProperty(private->device, CFSTR(kIOHIDMaxInputReportSizeKey));
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length = CFNumberToDWORD(num);
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private->buffer = HeapAlloc(GetProcessHeap(), 0, length);
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IOHIDDeviceRegisterInputReportCallback(private->device, private->buffer, length, handle_IOHIDDeviceIOHIDReportCallback, device);
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return STATUS_SUCCESS;
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}
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static NTSTATUS set_output_report(DEVICE_OBJECT *device, UCHAR id, BYTE *report, DWORD length, ULONG_PTR *written)
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{
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IOReturn result;
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struct platform_private *private = impl_from_DEVICE_OBJECT(device);
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result = IOHIDDeviceSetReport(private->device, kIOHIDReportTypeOutput, id, report, length);
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if (result == kIOReturnSuccess)
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{
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*written = length;
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return STATUS_SUCCESS;
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}
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else
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{
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*written = 0;
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return STATUS_UNSUCCESSFUL;
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}
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}
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static NTSTATUS get_feature_report(DEVICE_OBJECT *device, UCHAR id, BYTE *report, DWORD length, ULONG_PTR *read)
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{
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IOReturn ret;
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CFIndex report_length = length;
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struct platform_private *private = impl_from_DEVICE_OBJECT(device);
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ret = IOHIDDeviceGetReport(private->device, kIOHIDReportTypeFeature, id, report, &report_length);
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if (ret == kIOReturnSuccess)
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{
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*read = report_length;
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return STATUS_SUCCESS;
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}
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else
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{
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*read = 0;
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return STATUS_UNSUCCESSFUL;
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}
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}
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static NTSTATUS set_feature_report(DEVICE_OBJECT *device, UCHAR id, BYTE *report, DWORD length, ULONG_PTR *written)
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{
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IOReturn result;
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struct platform_private *private = impl_from_DEVICE_OBJECT(device);
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result = IOHIDDeviceSetReport(private->device, kIOHIDReportTypeFeature, id, report, length);
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if (result == kIOReturnSuccess)
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{
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*written = length;
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return STATUS_SUCCESS;
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}
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else
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{
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*written = 0;
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return STATUS_UNSUCCESSFUL;
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}
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}
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static const platform_vtbl iohid_vtbl =
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{
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compare_platform_device,
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get_reportdescriptor,
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get_string,
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begin_report_processing,
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set_output_report,
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get_feature_report,
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set_feature_report,
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};
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static void handle_DeviceMatchingCallback(void *context, IOReturn result, void *sender, IOHIDDeviceRef IOHIDDevice)
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{
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DEVICE_OBJECT *device;
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DWORD vid, pid, version, uid;
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CFStringRef str = NULL;
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WCHAR serial_string[256];
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BOOL is_gamepad = FALSE;
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WORD input = -1;
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TRACE("OS/X IOHID Device Added %p\n", IOHIDDevice);
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vid = CFNumberToDWORD(IOHIDDeviceGetProperty(IOHIDDevice, CFSTR(kIOHIDVendorIDKey)));
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pid = CFNumberToDWORD(IOHIDDeviceGetProperty(IOHIDDevice, CFSTR(kIOHIDProductIDKey)));
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version = CFNumberToDWORD(IOHIDDeviceGetProperty(IOHIDDevice, CFSTR(kIOHIDVersionNumberKey)));
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str = IOHIDDeviceGetProperty(IOHIDDevice, CFSTR(kIOHIDSerialNumberKey));
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if (str) CFStringToWSTR(str, serial_string, ARRAY_SIZE(serial_string));
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uid = CFNumberToDWORD(IOHIDDeviceGetProperty(IOHIDDevice, CFSTR(kIOHIDLocationIDKey)));
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if (IOHIDDeviceConformsTo(IOHIDDevice, kHIDPage_GenericDesktop, kHIDUsage_GD_GamePad) ||
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IOHIDDeviceConformsTo(IOHIDDevice, kHIDPage_GenericDesktop, kHIDUsage_GD_Joystick))
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{
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if (is_xbox_gamepad(vid, pid))
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is_gamepad = TRUE;
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else
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{
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int axes=0, buttons=0;
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CFArrayRef element_array = IOHIDDeviceCopyMatchingElements(
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IOHIDDevice, NULL, kIOHIDOptionsTypeNone);
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if (element_array) {
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CFIndex index;
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CFIndex count = CFArrayGetCount(element_array);
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for (index = 0; index < count; index++)
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{
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IOHIDElementRef element = (IOHIDElementRef)CFArrayGetValueAtIndex(element_array, index);
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if (element)
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{
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int type = IOHIDElementGetType(element);
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if (type == kIOHIDElementTypeInput_Button) buttons++;
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if (type == kIOHIDElementTypeInput_Axis) axes++;
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if (type == kIOHIDElementTypeInput_Misc)
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{
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uint32_t usage = IOHIDElementGetUsage(element);
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switch (usage)
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{
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case kHIDUsage_GD_X:
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case kHIDUsage_GD_Y:
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case kHIDUsage_GD_Z:
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case kHIDUsage_GD_Rx:
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case kHIDUsage_GD_Ry:
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case kHIDUsage_GD_Rz:
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case kHIDUsage_GD_Slider:
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axes ++;
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}
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}
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}
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}
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CFRelease(element_array);
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}
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is_gamepad = (axes == 6 && buttons >= 14);
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}
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}
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if (is_gamepad)
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input = 0;
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device = bus_create_hid_device(busidW, vid, pid, input,
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version, uid, str?serial_string:NULL, is_gamepad, &GUID_DEVCLASS_IOHID,
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&iohid_vtbl, sizeof(struct platform_private));
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if (!device)
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ERR("Failed to create device\n");
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else
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{
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struct platform_private *private = impl_from_DEVICE_OBJECT(device);
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private->device = IOHIDDevice;
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private->buffer = NULL;
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IoInvalidateDeviceRelations(device, BusRelations);
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}
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}
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static void handle_RemovalCallback(void *context, IOReturn result, void *sender, IOHIDDeviceRef IOHIDDevice)
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{
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DEVICE_OBJECT *device;
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TRACE("OS/X IOHID Device Removed %p\n", IOHIDDevice);
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IOHIDDeviceRegisterInputReportCallback(IOHIDDevice, NULL, 0, NULL, NULL);
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/* Note: Yes, we leak the buffer. But according to research there is no
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safe way to deallocate that buffer. */
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device = bus_find_hid_device(&iohid_vtbl, IOHIDDevice);
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if (device)
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{
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IoInvalidateDeviceRelations(device, RemovalRelations);
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bus_remove_hid_device(device);
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}
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}
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/* This puts the relevant run loop for event handling into a WINE thread */
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static DWORD CALLBACK runloop_thread(void *args)
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{
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run_loop = CFRunLoopGetCurrent();
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IOHIDManagerSetDeviceMatching(hid_manager, NULL);
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IOHIDManagerRegisterDeviceMatchingCallback(hid_manager, handle_DeviceMatchingCallback, NULL);
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IOHIDManagerRegisterDeviceRemovalCallback(hid_manager, handle_RemovalCallback, NULL);
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IOHIDManagerScheduleWithRunLoop(hid_manager, run_loop, kCFRunLoopDefaultMode);
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if (IOHIDManagerOpen( hid_manager, 0 ) != kIOReturnSuccess)
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{
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ERR("Couldn't open IOHIDManager.\n");
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IOHIDManagerUnscheduleFromRunLoop(hid_manager, run_loop, kCFRunLoopDefaultMode);
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CFRelease(hid_manager);
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return 0;
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}
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CFRunLoopRun();
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TRACE("Run Loop exiting\n");
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return 1;
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}
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NTSTATUS iohid_driver_init(void)
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{
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hid_manager = IOHIDManagerCreate(kCFAllocatorDefault, 0L);
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if (!(run_loop_handle = CreateThread(NULL, 0, runloop_thread, NULL, 0, NULL)))
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{
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ERR("Failed to initialize IOHID Manager thread\n");
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CFRelease(hid_manager);
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return STATUS_UNSUCCESSFUL;
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}
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TRACE("Initialization successful\n");
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return STATUS_SUCCESS;
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}
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void iohid_driver_unload( void )
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{
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TRACE("Unloading Driver\n");
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if (!run_loop_handle)
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return;
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IOHIDManagerUnscheduleFromRunLoop(hid_manager, run_loop, kCFRunLoopDefaultMode);
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CFRunLoopStop(run_loop);
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WaitForSingleObject(run_loop_handle, INFINITE);
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CloseHandle(run_loop_handle);
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IOHIDManagerRegisterDeviceMatchingCallback(hid_manager, NULL, NULL);
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IOHIDManagerRegisterDeviceRemovalCallback(hid_manager, NULL, NULL);
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CFRelease(hid_manager);
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TRACE("Driver Unloaded\n");
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}
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#else
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NTSTATUS iohid_driver_init(void)
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{
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return STATUS_NOT_IMPLEMENTED;
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}
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void iohid_driver_unload( void )
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{
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TRACE("Stub: Unload Driver\n");
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}
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#endif /* HAVE_IOHIDMANAGERCREATE */
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