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