445 lines
14 KiB
C
445 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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#if 0
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#pragma makedep unix
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#endif
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#include "config.h"
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#include <stdarg.h>
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#include <sys/types.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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#include <pthread.h>
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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 "unix_private.h"
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WINE_DEFAULT_DEBUG_CHANNEL(hid);
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#ifdef HAVE_IOHIDMANAGERCREATE
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static pthread_mutex_t iohid_cs = PTHREAD_MUTEX_INITIALIZER;
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static IOHIDManagerRef hid_manager;
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static CFRunLoopRef run_loop;
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static struct list event_queue = LIST_INIT(event_queue);
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static struct list device_list = LIST_INIT(device_list);
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static struct iohid_bus_options options;
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struct iohid_device
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{
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struct unix_device unix_device;
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IOHIDDeviceRef device;
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uint8_t *buffer;
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};
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static inline struct iohid_device *impl_from_unix_device(struct unix_device *iface)
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{
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return CONTAINING_RECORD(iface, struct iohid_device, unix_device);
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}
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static struct iohid_device *find_device_from_iohid(IOHIDDeviceRef IOHIDDevice)
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{
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struct iohid_device *impl;
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LIST_FOR_EACH_ENTRY(impl, &device_list, struct iohid_device, unix_device.entry)
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if (impl->device == IOHIDDevice) return impl;
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return NULL;
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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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struct unix_device *iface = (struct unix_device *)context;
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bus_event_queue_input_report(&event_queue, iface, report, report_length);
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}
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static void iohid_device_destroy(struct unix_device *iface)
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{
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}
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static NTSTATUS iohid_device_start(struct unix_device *iface)
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{
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DWORD length;
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struct iohid_device *impl = impl_from_unix_device(iface);
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CFNumberRef num;
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num = IOHIDDeviceGetProperty(impl->device, CFSTR(kIOHIDMaxInputReportSizeKey));
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length = CFNumberToDWORD(num);
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impl->buffer = malloc(length);
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IOHIDDeviceRegisterInputReportCallback(impl->device, impl->buffer, length, handle_IOHIDDeviceIOHIDReportCallback, iface);
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return STATUS_SUCCESS;
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}
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static void iohid_device_stop(struct unix_device *iface)
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{
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struct iohid_device *impl = impl_from_unix_device(iface);
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IOHIDDeviceRegisterInputReportCallback(impl->device, NULL, 0, NULL, NULL);
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pthread_mutex_lock(&iohid_cs);
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list_remove(&impl->unix_device.entry);
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pthread_mutex_unlock(&iohid_cs);
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}
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static NTSTATUS iohid_device_get_report_descriptor(struct unix_device *iface, BYTE *buffer,
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UINT length, UINT *out_length)
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{
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struct iohid_device *impl = impl_from_unix_device(iface);
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CFDataRef data = IOHIDDeviceGetProperty(impl->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 void iohid_device_set_output_report(struct unix_device *iface, HID_XFER_PACKET *packet, IO_STATUS_BLOCK *io)
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{
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IOReturn result;
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struct iohid_device *impl = impl_from_unix_device(iface);
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result = IOHIDDeviceSetReport(impl->device, kIOHIDReportTypeOutput, packet->reportId,
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packet->reportBuffer, packet->reportBufferLen);
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if (result == kIOReturnSuccess)
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{
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io->Information = packet->reportBufferLen;
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io->Status = STATUS_SUCCESS;
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}
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else
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{
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io->Information = 0;
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io->Status = STATUS_UNSUCCESSFUL;
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}
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}
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static void iohid_device_get_feature_report(struct unix_device *iface, HID_XFER_PACKET *packet, IO_STATUS_BLOCK *io)
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{
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IOReturn ret;
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CFIndex report_length = packet->reportBufferLen;
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struct iohid_device *impl = impl_from_unix_device(iface);
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ret = IOHIDDeviceGetReport(impl->device, kIOHIDReportTypeFeature, packet->reportId,
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packet->reportBuffer, &report_length);
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if (ret == kIOReturnSuccess)
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{
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io->Information = report_length;
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io->Status = STATUS_SUCCESS;
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}
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else
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{
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io->Information = 0;
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io->Status = STATUS_UNSUCCESSFUL;
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}
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}
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static void iohid_device_set_feature_report(struct unix_device *iface, HID_XFER_PACKET *packet, IO_STATUS_BLOCK *io)
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{
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IOReturn result;
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struct iohid_device *impl = impl_from_unix_device(iface);
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result = IOHIDDeviceSetReport(impl->device, kIOHIDReportTypeFeature, packet->reportId,
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packet->reportBuffer, packet->reportBufferLen);
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if (result == kIOReturnSuccess)
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{
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io->Information = packet->reportBufferLen;
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io->Status = STATUS_SUCCESS;
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}
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else
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{
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io->Information = 0;
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io->Status = STATUS_UNSUCCESSFUL;
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}
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}
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static const struct raw_device_vtbl iohid_device_vtbl =
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{
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iohid_device_destroy,
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iohid_device_start,
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iohid_device_stop,
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iohid_device_get_report_descriptor,
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iohid_device_set_output_report,
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iohid_device_get_feature_report,
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iohid_device_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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struct device_desc desc =
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{
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.input = -1,
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.serialnumber = {'0','0','0','0',0},
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};
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struct iohid_device *impl;
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CFStringRef str;
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desc.vid = CFNumberToDWORD(IOHIDDeviceGetProperty(IOHIDDevice, CFSTR(kIOHIDVendorIDKey)));
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desc.pid = CFNumberToDWORD(IOHIDDeviceGetProperty(IOHIDDevice, CFSTR(kIOHIDProductIDKey)));
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desc.version = CFNumberToDWORD(IOHIDDeviceGetProperty(IOHIDDevice, CFSTR(kIOHIDVersionNumberKey)));
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desc.uid = CFNumberToDWORD(IOHIDDeviceGetProperty(IOHIDDevice, CFSTR(kIOHIDLocationIDKey)));
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if (IOHIDDeviceOpen(IOHIDDevice, 0) != kIOReturnSuccess)
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{
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ERR("Failed to open HID device %p (vid %04x, pid %04x)\n", IOHIDDevice, desc.vid, desc.pid);
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return;
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}
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IOHIDDeviceScheduleWithRunLoop(IOHIDDevice, CFRunLoopGetCurrent(), kCFRunLoopDefaultMode);
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str = IOHIDDeviceGetProperty(IOHIDDevice, CFSTR(kIOHIDManufacturerKey));
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if (str) CFStringToWSTR(str, desc.manufacturer, ARRAY_SIZE(desc.manufacturer));
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str = IOHIDDeviceGetProperty(IOHIDDevice, CFSTR(kIOHIDProductKey));
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if (str) CFStringToWSTR(str, desc.product, ARRAY_SIZE(desc.product));
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str = IOHIDDeviceGetProperty(IOHIDDevice, CFSTR(kIOHIDSerialNumberKey));
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if (str) CFStringToWSTR(str, desc.serialnumber, ARRAY_SIZE(desc.serialnumber));
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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(desc.vid, desc.pid))
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desc.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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desc.is_gamepad = (axes == 6 && buttons >= 14);
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}
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}
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TRACE("dev %p, desc %s.\n", IOHIDDevice, debugstr_device_desc(&desc));
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if (!(impl = raw_device_create(&iohid_device_vtbl, sizeof(struct iohid_device)))) return;
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list_add_tail(&device_list, &impl->unix_device.entry);
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impl->device = IOHIDDevice;
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impl->buffer = NULL;
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bus_event_queue_device_created(&event_queue, &impl->unix_device, &desc);
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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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struct iohid_device *impl;
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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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IOHIDDeviceUnscheduleFromRunLoop(IOHIDDevice, CFRunLoopGetCurrent(), kCFRunLoopDefaultMode);
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IOHIDDeviceClose(IOHIDDevice, 0);
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impl = find_device_from_iohid(IOHIDDevice);
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if (impl) bus_event_queue_device_removed(&event_queue, &impl->unix_device);
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else WARN("failed to find device for iohid device %p\n", IOHIDDevice);
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}
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NTSTATUS iohid_bus_init(void *args)
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{
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TRACE("args %p\n", args);
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options = *(struct iohid_bus_options *)args;
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if (!(hid_manager = IOHIDManagerCreate(kCFAllocatorDefault, 0L)))
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{
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ERR("IOHID manager creation failed\n");
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return STATUS_UNSUCCESSFUL;
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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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return STATUS_SUCCESS;
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}
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NTSTATUS iohid_bus_wait(void *args)
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{
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struct bus_event *result = args;
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CFRunLoopRunResult ret;
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/* cleanup previously returned event */
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bus_event_cleanup(result);
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do
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{
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if (bus_event_queue_pop(&event_queue, result)) return STATUS_PENDING;
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pthread_mutex_lock(&iohid_cs);
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ret = CFRunLoopRunInMode(kCFRunLoopDefaultMode, 10, TRUE);
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pthread_mutex_unlock(&iohid_cs);
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} while (ret != kCFRunLoopRunStopped);
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TRACE("IOHID main loop exiting\n");
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bus_event_queue_destroy(&event_queue);
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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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return STATUS_SUCCESS;
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}
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NTSTATUS iohid_bus_stop(void *args)
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{
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if (!run_loop) return STATUS_SUCCESS;
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IOHIDManagerUnscheduleFromRunLoop(hid_manager, run_loop, kCFRunLoopDefaultMode);
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CFRunLoopStop(run_loop);
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return STATUS_SUCCESS;
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}
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#else
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NTSTATUS iohid_bus_init(void *args)
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{
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WARN("IOHID support not compiled in!\n");
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return STATUS_NOT_IMPLEMENTED;
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}
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NTSTATUS iohid_bus_wait(void *args)
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{
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WARN("IOHID support not compiled in!\n");
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return STATUS_NOT_IMPLEMENTED;
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}
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NTSTATUS iohid_bus_stop(void *args)
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{
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WARN("IOHID support not compiled in!\n");
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return STATUS_NOT_IMPLEMENTED;
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}
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#endif /* HAVE_IOHIDMANAGERCREATE */
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