314 lines
10 KiB
C
314 lines
10 KiB
C
/*
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* WINE HID Pseudo-Plug and Play support
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*
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* Copyright 2015 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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#define NONAMELESSUNION
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#include <unistd.h>
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#include <stdarg.h>
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#include "hid.h"
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#include "ddk/hidtypes.h"
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#include "ddk/wdm.h"
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#include "regstr.h"
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#include "wine/debug.h"
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#include "wine/list.h"
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WINE_DEFAULT_DEBUG_CHANNEL(hid);
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static const WCHAR device_enumeratorW[] = {'H','I','D',0};
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static const WCHAR separator_W[] = {'\\',0};
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static NTSTATUS WINAPI internalComplete(DEVICE_OBJECT *deviceObject, IRP *irp,
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void *context)
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{
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HANDLE event = context;
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SetEvent(event);
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return STATUS_MORE_PROCESSING_REQUIRED;
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}
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static NTSTATUS get_device_id(DEVICE_OBJECT *device, BUS_QUERY_ID_TYPE type, WCHAR *id)
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{
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NTSTATUS status;
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IO_STACK_LOCATION *irpsp;
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IO_STATUS_BLOCK irp_status;
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HANDLE event;
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IRP *irp;
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irp = IoBuildSynchronousFsdRequest(IRP_MJ_PNP, device, NULL, 0, NULL, NULL, &irp_status);
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if (irp == NULL)
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return STATUS_NO_MEMORY;
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event = CreateEventA(NULL, FALSE, FALSE, NULL);
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irpsp = IoGetNextIrpStackLocation(irp);
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irpsp->MinorFunction = IRP_MN_QUERY_ID;
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irpsp->Parameters.QueryId.IdType = type;
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IoSetCompletionRoutine(irp, internalComplete, event, TRUE, TRUE, TRUE);
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status = IoCallDriver(device, irp);
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if (status == STATUS_PENDING)
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WaitForSingleObject(event, INFINITE);
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lstrcpyW(id, (WCHAR *)irp->IoStatus.Information);
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ExFreePool( (WCHAR *)irp->IoStatus.Information );
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status = irp->IoStatus.u.Status;
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IoCompleteRequest(irp, IO_NO_INCREMENT );
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CloseHandle(event);
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return status;
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}
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NTSTATUS WINAPI PNP_AddDevice(DRIVER_OBJECT *driver, DEVICE_OBJECT *PDO)
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{
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WCHAR device_id[MAX_DEVICE_ID_LEN], instance_id[MAX_DEVICE_ID_LEN];
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hid_device *hiddev;
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DEVICE_OBJECT *device = NULL;
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NTSTATUS status;
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minidriver *minidriver;
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HID_DEVICE_ATTRIBUTES attr;
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BASE_DEVICE_EXTENSION *ext = NULL;
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HID_DESCRIPTOR descriptor;
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BYTE *reportDescriptor;
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INT i;
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if ((status = get_device_id(PDO, BusQueryDeviceID, device_id)))
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{
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ERR("Failed to get PDO device id, status %#x.\n", status);
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return status;
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}
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if ((status = get_device_id(PDO, BusQueryInstanceID, instance_id)))
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{
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ERR("Failed to get PDO instance id, status %#x.\n", status);
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return status;
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}
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TRACE("Adding device to PDO %p, id %s\\%s.\n", PDO, debugstr_w(device_id), debugstr_w(instance_id));
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minidriver = find_minidriver(driver);
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hiddev = HeapAlloc(GetProcessHeap(), 0, sizeof(*hiddev));
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if (!hiddev)
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return STATUS_NO_MEMORY;
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status = HID_CreateDevice(PDO, &minidriver->minidriver, &hiddev->device);
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if (status != STATUS_SUCCESS)
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{
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ERR("Failed to create HID object (%x)\n",status);
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HeapFree(GetProcessHeap(), 0, hiddev);
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return status;
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}
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device = hiddev->device;
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ext = device->DeviceExtension;
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InitializeListHead(&ext->irp_queue);
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KeInitializeSpinLock(&ext->irp_queue_lock);
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TRACE("Created device %p\n",device);
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status = minidriver->AddDevice(minidriver->minidriver.DriverObject, device);
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if (status != STATUS_SUCCESS)
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{
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ERR("Minidriver AddDevice failed (%x)\n",status);
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HID_DeleteDevice(device);
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return status;
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}
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status = call_minidriver(IOCTL_HID_GET_DEVICE_ATTRIBUTES, device,
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NULL, 0, &attr, sizeof(attr));
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if (status != STATUS_SUCCESS)
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{
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ERR("Minidriver failed to get Attributes(%x)\n",status);
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HID_DeleteDevice(device);
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return status;
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}
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ext->information.VendorID = attr.VendorID;
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ext->information.ProductID = attr.ProductID;
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ext->information.VersionNumber = attr.VersionNumber;
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ext->information.Polled = minidriver->minidriver.DevicesArePolled;
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status = call_minidriver(IOCTL_HID_GET_DEVICE_DESCRIPTOR, device, NULL, 0,
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&descriptor, sizeof(descriptor));
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if (status != STATUS_SUCCESS)
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{
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ERR("Cannot get Device Descriptor(%x)\n",status);
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HID_DeleteDevice(device);
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return status;
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}
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for (i = 0; i < descriptor.bNumDescriptors; i++)
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if (descriptor.DescriptorList[i].bReportType == HID_REPORT_DESCRIPTOR_TYPE)
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break;
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if (i >= descriptor.bNumDescriptors)
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{
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ERR("No Report Descriptor found in reply\n");
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HID_DeleteDevice(device);
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return status;
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}
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reportDescriptor = HeapAlloc(GetProcessHeap(), 0, descriptor.DescriptorList[i].wReportLength);
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status = call_minidriver(IOCTL_HID_GET_REPORT_DESCRIPTOR, device, NULL, 0,
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reportDescriptor, descriptor.DescriptorList[i].wReportLength);
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if (status != STATUS_SUCCESS)
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{
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ERR("Cannot get Report Descriptor(%x)\n",status);
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HID_DeleteDevice(device);
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HeapFree(GetProcessHeap(), 0, reportDescriptor);
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return status;
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}
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ext->preparseData = ParseDescriptor(reportDescriptor, descriptor.DescriptorList[0].wReportLength);
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HeapFree(GetProcessHeap(), 0, reportDescriptor);
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if (!ext->preparseData)
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{
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ERR("Cannot parse Report Descriptor\n");
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HID_DeleteDevice(device);
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return STATUS_NOT_SUPPORTED;
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}
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list_add_tail(&(minidriver->device_list), &hiddev->entry);
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ext->information.DescriptorSize = ext->preparseData->dwSize;
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lstrcpyW(ext->instance_id, instance_id);
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lstrcpyW(ext->device_id, device_enumeratorW);
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lstrcatW(ext->device_id, separator_W);
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lstrcatW(ext->device_id, wcschr(device_id, '\\') + 1);
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HID_LinkDevice(device);
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ext->poll_interval = DEFAULT_POLL_INTERVAL;
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ext->ring_buffer = RingBuffer_Create(sizeof(HID_XFER_PACKET) + ext->preparseData->caps.InputReportByteLength);
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HID_StartDeviceThread(device);
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return STATUS_SUCCESS;
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}
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NTSTATUS PNP_RemoveDevice(minidriver *minidriver, DEVICE_OBJECT *device, IRP *irp)
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{
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BASE_DEVICE_EXTENSION *ext = device->DeviceExtension;
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hid_device *hiddev;
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NTSTATUS rc = STATUS_NOT_SUPPORTED;
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rc = IoSetDeviceInterfaceState(&ext->link_name, FALSE);
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if (rc)
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{
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FIXME("failed to disable interface %x\n", rc);
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return rc;
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}
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if (irp)
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rc = minidriver->PNPDispatch(device, irp);
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HID_DeleteDevice(device);
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LIST_FOR_EACH_ENTRY(hiddev, &minidriver->device_list, hid_device, entry)
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{
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if (hiddev->device == device)
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{
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list_remove(&hiddev->entry);
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HeapFree(GetProcessHeap(), 0, hiddev);
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break;
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}
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}
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return rc;
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}
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NTSTATUS WINAPI HID_PNP_Dispatch(DEVICE_OBJECT *device, IRP *irp)
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{
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NTSTATUS rc = STATUS_NOT_SUPPORTED;
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IO_STACK_LOCATION *irpsp = IoGetCurrentIrpStackLocation(irp);
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minidriver *minidriver = find_minidriver(device->DriverObject);
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TRACE("%p, %p\n", device, irp);
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switch(irpsp->MinorFunction)
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{
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case IRP_MN_QUERY_ID:
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{
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BASE_DEVICE_EXTENSION *ext = device->DeviceExtension;
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WCHAR *id = ExAllocatePool(PagedPool, sizeof(WCHAR) * REGSTR_VAL_MAX_HCID_LEN);
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TRACE("IRP_MN_QUERY_ID[%i]\n", irpsp->Parameters.QueryId.IdType);
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switch (irpsp->Parameters.QueryId.IdType)
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{
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case BusQueryHardwareIDs:
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case BusQueryCompatibleIDs:
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{
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WCHAR *ptr;
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ptr = id;
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/* Device instance ID */
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lstrcpyW(ptr, ext->device_id);
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ptr += lstrlenW(ext->device_id);
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lstrcpyW(ptr, separator_W);
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ptr += 1;
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lstrcpyW(ptr, ext->instance_id);
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ptr += lstrlenW(ext->instance_id) + 1;
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/* Device ID */
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lstrcpyW(ptr, ext->device_id);
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ptr += lstrlenW(ext->device_id) + 1;
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/* Bus ID */
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lstrcpyW(ptr, device_enumeratorW);
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ptr += lstrlenW(device_enumeratorW) + 1;
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*ptr = 0;
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irp->IoStatus.Information = (ULONG_PTR)id;
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rc = STATUS_SUCCESS;
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break;
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}
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case BusQueryDeviceID:
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lstrcpyW(id, ext->device_id);
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irp->IoStatus.Information = (ULONG_PTR)id;
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rc = STATUS_SUCCESS;
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break;
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case BusQueryInstanceID:
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lstrcpyW(id, ext->instance_id);
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irp->IoStatus.Information = (ULONG_PTR)id;
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rc = STATUS_SUCCESS;
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break;
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case BusQueryDeviceSerialNumber:
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FIXME("BusQueryDeviceSerialNumber not implemented\n");
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HeapFree(GetProcessHeap(), 0, id);
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break;
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}
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break;
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}
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case IRP_MN_START_DEVICE:
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{
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BASE_DEVICE_EXTENSION *ext = device->DeviceExtension;
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rc = minidriver->PNPDispatch(device, irp);
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IoSetDeviceInterfaceState(&ext->link_name, TRUE);
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return rc;
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}
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case IRP_MN_REMOVE_DEVICE:
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{
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return PNP_RemoveDevice(minidriver, device, irp);
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}
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default:
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{
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/* Forward IRP to the minidriver */
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return minidriver->PNPDispatch(device, irp);
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}
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}
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irp->IoStatus.u.Status = rc;
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IoCompleteRequest( irp, IO_NO_INCREMENT );
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return rc;
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}
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