900 lines
31 KiB
C
900 lines
31 KiB
C
/*
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* WINE XInput device driver
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*
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* Copyright 2021 Rémi Bernon for CodeWeavers
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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 <stdarg.h>
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#include <stdlib.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 "cfgmgr32.h"
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#include "ddk/wdm.h"
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#include "ddk/hidport.h"
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#include "ddk/hidpddi.h"
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#include "ddk/hidtypes.h"
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#include "wine/asm.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(winexinput);
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#if defined(__i386__) && !defined(_WIN32)
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extern void *WINAPI wrap_fastcall_func1(void *func, const void *a);
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__ASM_STDCALL_FUNC(wrap_fastcall_func1, 8,
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"popl %ecx\n\t"
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"popl %eax\n\t"
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"xchgl (%esp),%ecx\n\t"
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"jmp *%eax");
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#define call_fastcall_func1(func,a) wrap_fastcall_func1(func,a)
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#else
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#define call_fastcall_func1(func,a) func(a)
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#endif
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#include "psh_hid_macros.h"
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const BYTE xinput_report_desc[] =
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{
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USAGE_PAGE(1, HID_USAGE_PAGE_GENERIC),
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USAGE(1, HID_USAGE_GENERIC_GAMEPAD),
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COLLECTION(1, Application),
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USAGE(1, 0),
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COLLECTION(1, Physical),
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USAGE(1, HID_USAGE_GENERIC_X),
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USAGE(1, HID_USAGE_GENERIC_Y),
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LOGICAL_MAXIMUM(2, 0xffff),
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PHYSICAL_MAXIMUM(2, 0xffff),
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REPORT_SIZE(1, 16),
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REPORT_COUNT(1, 2),
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INPUT(1, Data|Var|Abs),
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END_COLLECTION,
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COLLECTION(1, Physical),
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USAGE(1, HID_USAGE_GENERIC_RX),
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USAGE(1, HID_USAGE_GENERIC_RY),
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REPORT_COUNT(1, 2),
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INPUT(1, Data|Var|Abs),
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END_COLLECTION,
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COLLECTION(1, Physical),
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USAGE(1, HID_USAGE_GENERIC_Z),
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REPORT_COUNT(1, 1),
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INPUT(1, Data|Var|Abs),
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END_COLLECTION,
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USAGE_PAGE(1, HID_USAGE_PAGE_BUTTON),
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USAGE_MINIMUM(1, 1),
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USAGE_MAXIMUM(1, 10),
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LOGICAL_MAXIMUM(1, 1),
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PHYSICAL_MAXIMUM(1, 1),
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REPORT_COUNT(1, 10),
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REPORT_SIZE(1, 1),
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INPUT(1, Data|Var|Abs),
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USAGE_PAGE(1, HID_USAGE_PAGE_GENERIC),
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USAGE(1, HID_USAGE_GENERIC_HATSWITCH),
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LOGICAL_MINIMUM(1, 1),
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LOGICAL_MAXIMUM(1, 8),
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PHYSICAL_MAXIMUM(2, 0x103b),
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REPORT_SIZE(1, 4),
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REPORT_COUNT(4, 1),
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UNIT(1, 0x0e /* none */),
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INPUT(1, Data|Var|Abs|Null),
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REPORT_COUNT(1, 18),
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REPORT_SIZE(1, 1),
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INPUT(1, Cnst|Var|Abs),
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END_COLLECTION,
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};
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#include "pop_hid_macros.h"
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struct xinput_state
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{
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WORD lx_axis;
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WORD ly_axis;
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WORD rx_axis;
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WORD ry_axis;
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WORD trigger;
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WORD buttons;
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WORD padding;
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};
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struct device
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{
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BOOL is_fdo;
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BOOL is_gamepad;
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BOOL removed;
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WCHAR device_id[MAX_DEVICE_ID_LEN];
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};
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static inline struct device *impl_from_DEVICE_OBJECT(DEVICE_OBJECT *device)
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{
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return (struct device *)device->DeviceExtension;
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}
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struct phys_device
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{
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struct device base;
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struct func_device *fdo;
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};
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struct func_device
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{
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struct device base;
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DEVICE_OBJECT *bus_device;
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/* the bogus HID gamepad, as exposed by native XUSB */
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DEVICE_OBJECT *gamepad_device;
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/* the Wine-specific hidden HID device, used by XInput */
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DEVICE_OBJECT *xinput_device;
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WCHAR instance_id[MAX_DEVICE_ID_LEN];
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HIDP_VALUE_CAPS lx_caps;
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HIDP_VALUE_CAPS ly_caps;
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HIDP_VALUE_CAPS lt_caps;
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HIDP_VALUE_CAPS rx_caps;
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HIDP_VALUE_CAPS ry_caps;
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HIDP_VALUE_CAPS rt_caps;
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HIDP_DEVICE_DESC device_desc;
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/* everything below requires holding the cs */
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CRITICAL_SECTION cs;
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ULONG report_len;
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char *report_buf;
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IRP *pending_read;
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BOOL pending_is_gamepad;
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struct xinput_state xinput_state;
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};
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static inline struct func_device *fdo_from_DEVICE_OBJECT(DEVICE_OBJECT *device)
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{
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struct device *impl = impl_from_DEVICE_OBJECT(device);
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if (impl->is_fdo) return CONTAINING_RECORD(impl, struct func_device, base);
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else return CONTAINING_RECORD(impl, struct phys_device, base)->fdo;
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}
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static LONG sign_extend(ULONG value, const HIDP_VALUE_CAPS *caps)
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{
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UINT sign = 1 << (caps->BitSize - 1);
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if (sign <= 1 || caps->LogicalMin >= 0) return value;
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return value - ((value & sign) << 1);
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}
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static LONG scale_value(ULONG value, const HIDP_VALUE_CAPS *caps, LONG min, LONG max)
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{
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LONG tmp = sign_extend(value, caps);
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if (caps->LogicalMin > caps->LogicalMax) return 0;
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if (caps->LogicalMin > tmp || caps->LogicalMax < tmp) return 0;
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return min + MulDiv(tmp - caps->LogicalMin, max - min, caps->LogicalMax - caps->LogicalMin);
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}
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static void translate_report_to_xinput_state(struct func_device *fdo)
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{
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ULONG lx = 0, ly = 0, rx = 0, ry = 0, lt = 0, rt = 0, hat = 0;
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PHIDP_PREPARSED_DATA preparsed;
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USAGE usages[10];
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NTSTATUS status;
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ULONG i, count;
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preparsed = fdo->device_desc.CollectionDesc->PreparsedData;
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count = ARRAY_SIZE(usages);
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status = HidP_GetUsages(HidP_Input, HID_USAGE_PAGE_BUTTON, 0, usages,
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&count, preparsed, fdo->report_buf, fdo->report_len);
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if (status != HIDP_STATUS_SUCCESS) WARN("HidP_GetUsages returned %#x\n", status);
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status = HidP_GetUsageValue(HidP_Input, HID_USAGE_PAGE_GENERIC, 0, HID_USAGE_GENERIC_HATSWITCH,
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&hat, preparsed, fdo->report_buf, fdo->report_len);
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if (status != HIDP_STATUS_SUCCESS) WARN("HidP_GetUsageValue hat returned %#x\n", status);
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status = HidP_GetUsageValue(HidP_Input, HID_USAGE_PAGE_GENERIC, 0, HID_USAGE_GENERIC_X,
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&lx, preparsed, fdo->report_buf, fdo->report_len);
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if (status != HIDP_STATUS_SUCCESS) WARN("HidP_GetUsageValue x returned %#x\n", status);
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status = HidP_GetUsageValue(HidP_Input, HID_USAGE_PAGE_GENERIC, 0, HID_USAGE_GENERIC_Y,
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&ly, preparsed, fdo->report_buf, fdo->report_len);
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if (status != HIDP_STATUS_SUCCESS) WARN("HidP_GetUsageValue y returned %#x\n", status);
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status = HidP_GetUsageValue(HidP_Input, HID_USAGE_PAGE_GENERIC, 0, HID_USAGE_GENERIC_Z,
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<, preparsed, fdo->report_buf, fdo->report_len);
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if (status != HIDP_STATUS_SUCCESS) WARN("HidP_GetUsageValue z returned %#x\n", status);
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status = HidP_GetUsageValue(HidP_Input, HID_USAGE_PAGE_GENERIC, 0, HID_USAGE_GENERIC_RX,
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&rx, preparsed, fdo->report_buf, fdo->report_len);
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if (status != HIDP_STATUS_SUCCESS) WARN("HidP_GetUsageValue rx returned %#x\n", status);
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status = HidP_GetUsageValue(HidP_Input, HID_USAGE_PAGE_GENERIC, 0, HID_USAGE_GENERIC_RY,
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&ry, preparsed, fdo->report_buf, fdo->report_len);
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if (status != HIDP_STATUS_SUCCESS) WARN("HidP_GetUsageValue ry returned %#x\n", status);
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status = HidP_GetUsageValue(HidP_Input, HID_USAGE_PAGE_GENERIC, 0, HID_USAGE_GENERIC_RZ,
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&rt, preparsed, fdo->report_buf, fdo->report_len);
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if (status != HIDP_STATUS_SUCCESS) WARN("HidP_GetUsageValue rz returned %#x\n", status);
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if (hat < 1 || hat > 8) fdo->xinput_state.buttons = 0;
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else fdo->xinput_state.buttons = hat << 10;
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for (i = 0; i < count; i++)
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{
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if (usages[i] < 1 || usages[i] > 10) continue;
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fdo->xinput_state.buttons |= (1 << (usages[i] - 1));
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}
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fdo->xinput_state.lx_axis = scale_value(lx, &fdo->lx_caps, 0, 65535);
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fdo->xinput_state.ly_axis = scale_value(ly, &fdo->ly_caps, 0, 65535);
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fdo->xinput_state.rx_axis = scale_value(rx, &fdo->rx_caps, 0, 65535);
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fdo->xinput_state.ry_axis = scale_value(ry, &fdo->ry_caps, 0, 65535);
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rt = scale_value(rt, &fdo->rt_caps, 0, 255);
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lt = scale_value(lt, &fdo->lt_caps, 0, 255);
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fdo->xinput_state.trigger = 0x8000 + (lt - rt) * 128;
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}
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static NTSTATUS WINAPI read_completion(DEVICE_OBJECT *device, IRP *xinput_irp, void *context)
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{
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IO_STACK_LOCATION *stack = IoGetCurrentIrpStackLocation(xinput_irp);
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ULONG offset, read_len = stack->Parameters.DeviceIoControl.OutputBufferLength;
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struct func_device *fdo = fdo_from_DEVICE_OBJECT(device);
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char *read_buf = xinput_irp->UserBuffer;
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IRP *gamepad_irp = context;
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gamepad_irp->IoStatus.Status = xinput_irp->IoStatus.Status;
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gamepad_irp->IoStatus.Information = xinput_irp->IoStatus.Information;
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if (!xinput_irp->IoStatus.Status)
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{
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RtlEnterCriticalSection(&fdo->cs);
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offset = fdo->report_buf[0] ? 0 : 1;
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memcpy(fdo->report_buf + offset, read_buf, read_len);
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translate_report_to_xinput_state(fdo);
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memcpy(gamepad_irp->UserBuffer, &fdo->xinput_state, sizeof(fdo->xinput_state));
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gamepad_irp->IoStatus.Information = sizeof(fdo->xinput_state);
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RtlLeaveCriticalSection(&fdo->cs);
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}
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IoCompleteRequest(gamepad_irp, IO_NO_INCREMENT);
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if (xinput_irp->PendingReturned) IoMarkIrpPending(xinput_irp);
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return STATUS_SUCCESS;
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}
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/* check for a pending read from the other PDO, and complete both at a time.
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* if there's none, save irp as pending, the other PDO will complete it.
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* if the device is being removed, complete irp with an error. */
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static NTSTATUS try_complete_pending_read(DEVICE_OBJECT *device, IRP *irp)
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{
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struct func_device *fdo = fdo_from_DEVICE_OBJECT(device);
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struct device *impl = impl_from_DEVICE_OBJECT(device);
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IRP *pending, *xinput_irp, *gamepad_irp;
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BOOL removed, pending_is_gamepad;
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RtlEnterCriticalSection(&fdo->cs);
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pending_is_gamepad = fdo->pending_is_gamepad;
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if ((removed = impl->removed))
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pending = NULL;
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else if ((pending = fdo->pending_read))
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fdo->pending_read = NULL;
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else
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{
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fdo->pending_read = irp;
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fdo->pending_is_gamepad = impl->is_gamepad;
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IoMarkIrpPending(irp);
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}
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RtlLeaveCriticalSection(&fdo->cs);
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if (removed)
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{
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irp->IoStatus.Status = STATUS_DELETE_PENDING;
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irp->IoStatus.Information = 0;
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IoCompleteRequest(irp, IO_NO_INCREMENT);
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return STATUS_DELETE_PENDING;
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}
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if (!pending) return STATUS_PENDING;
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/* only one read at a time per device from hidclass.sys design */
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if (pending_is_gamepad == impl->is_gamepad) ERR("multiple read requests!\n");
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gamepad_irp = impl->is_gamepad ? irp : pending;
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xinput_irp = impl->is_gamepad ? pending : irp;
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/* pass xinput irp down, and complete gamepad irp on its way back */
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IoCopyCurrentIrpStackLocationToNext(xinput_irp);
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IoSetCompletionRoutine(xinput_irp, read_completion, gamepad_irp, TRUE, TRUE, TRUE);
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return IoCallDriver(fdo->bus_device, xinput_irp);
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}
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static NTSTATUS WINAPI gamepad_internal_ioctl(DEVICE_OBJECT *device, IRP *irp)
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{
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IO_STACK_LOCATION *stack = IoGetCurrentIrpStackLocation(irp);
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ULONG output_len = stack->Parameters.DeviceIoControl.OutputBufferLength;
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ULONG code = stack->Parameters.DeviceIoControl.IoControlCode;
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struct func_device *fdo = fdo_from_DEVICE_OBJECT(device);
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TRACE("device %p, irp %p, code %#x, bus_device %p.\n", device, irp, code, fdo->bus_device);
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switch (code)
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{
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case IOCTL_HID_GET_DEVICE_DESCRIPTOR:
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{
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HID_DESCRIPTOR *descriptor = (HID_DESCRIPTOR *)irp->UserBuffer;
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irp->IoStatus.Information = sizeof(*descriptor);
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if (output_len < sizeof(*descriptor))
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{
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irp->IoStatus.Status = STATUS_BUFFER_TOO_SMALL;
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IoCompleteRequest(irp, IO_NO_INCREMENT);
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return STATUS_BUFFER_TOO_SMALL;
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}
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memset(descriptor, 0, sizeof(*descriptor));
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descriptor->bLength = sizeof(*descriptor);
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descriptor->bDescriptorType = HID_HID_DESCRIPTOR_TYPE;
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descriptor->bcdHID = HID_REVISION;
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descriptor->bCountry = 0;
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descriptor->bNumDescriptors = 1;
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descriptor->DescriptorList[0].bReportType = HID_REPORT_DESCRIPTOR_TYPE;
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descriptor->DescriptorList[0].wReportLength = sizeof(xinput_report_desc);
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irp->IoStatus.Status = STATUS_SUCCESS;
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IoCompleteRequest(irp, IO_NO_INCREMENT);
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return STATUS_SUCCESS;
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}
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case IOCTL_HID_GET_REPORT_DESCRIPTOR:
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irp->IoStatus.Information = sizeof(xinput_report_desc);
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if (output_len < sizeof(xinput_report_desc))
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{
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irp->IoStatus.Status = STATUS_BUFFER_TOO_SMALL;
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IoCompleteRequest(irp, IO_NO_INCREMENT);
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return STATUS_BUFFER_TOO_SMALL;
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}
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memcpy(irp->UserBuffer, xinput_report_desc, sizeof(xinput_report_desc));
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irp->IoStatus.Status = STATUS_SUCCESS;
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IoCompleteRequest(irp, IO_NO_INCREMENT);
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return STATUS_SUCCESS;
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case IOCTL_HID_GET_INPUT_REPORT:
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case IOCTL_HID_SET_OUTPUT_REPORT:
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case IOCTL_HID_GET_FEATURE:
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case IOCTL_HID_SET_FEATURE:
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irp->IoStatus.Status = STATUS_INVALID_PARAMETER;
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IoCompleteRequest(irp, IO_NO_INCREMENT);
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return STATUS_INVALID_PARAMETER;
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default:
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IoSkipCurrentIrpStackLocation(irp);
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return IoCallDriver(fdo->bus_device, irp);
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}
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return STATUS_SUCCESS;
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}
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static NTSTATUS WINAPI internal_ioctl(DEVICE_OBJECT *device, IRP *irp)
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{
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IO_STACK_LOCATION *stack = IoGetCurrentIrpStackLocation(irp);
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ULONG code = stack->Parameters.DeviceIoControl.IoControlCode;
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struct func_device *fdo = fdo_from_DEVICE_OBJECT(device);
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struct device *impl = impl_from_DEVICE_OBJECT(device);
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if (InterlockedOr(&impl->removed, FALSE))
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{
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irp->IoStatus.Status = STATUS_DELETE_PENDING;
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irp->IoStatus.Information = 0;
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IoCompleteRequest(irp, IO_NO_INCREMENT);
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return STATUS_DELETE_PENDING;
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}
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TRACE("device %p, irp %p, code %#x, bus_device %p.\n", device, irp, code, fdo->bus_device);
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if (code == IOCTL_HID_READ_REPORT) return try_complete_pending_read(device, irp);
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if (impl->is_gamepad || code == IOCTL_HID_GET_STRING) return gamepad_internal_ioctl(device, irp);
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IoSkipCurrentIrpStackLocation(irp);
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return IoCallDriver(fdo->bus_device, irp);
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}
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static WCHAR *query_instance_id(DEVICE_OBJECT *device)
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{
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struct func_device *fdo = fdo_from_DEVICE_OBJECT(device);
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DWORD size = (wcslen(fdo->instance_id) + 1) * sizeof(WCHAR);
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WCHAR *dst;
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if ((dst = ExAllocatePool(PagedPool, size)))
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memcpy(dst, fdo->instance_id, size);
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return dst;
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}
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static WCHAR *query_device_id(DEVICE_OBJECT *device)
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{
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struct device *impl = impl_from_DEVICE_OBJECT(device);
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DWORD size = (wcslen(impl->device_id) + 1) * sizeof(WCHAR);
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WCHAR *dst;
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if ((dst = ExAllocatePool(PagedPool, size)))
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memcpy(dst, impl->device_id, size);
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return dst;
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}
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static WCHAR *query_hardware_ids(DEVICE_OBJECT *device)
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{
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struct device *impl = impl_from_DEVICE_OBJECT(device);
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DWORD size = (wcslen(impl->device_id) + 1) * sizeof(WCHAR);
|
|
WCHAR *dst;
|
|
|
|
if ((dst = ExAllocatePool(PagedPool, size + sizeof(WCHAR))))
|
|
{
|
|
memcpy(dst, impl->device_id, size);
|
|
dst[size / sizeof(WCHAR)] = 0;
|
|
}
|
|
|
|
return dst;
|
|
}
|
|
|
|
static WCHAR *query_compatible_ids(DEVICE_OBJECT *device)
|
|
{
|
|
static const WCHAR hid_compat[] = L"WINEBUS\\WINE_COMP_HID";
|
|
DWORD size = sizeof(hid_compat);
|
|
WCHAR *dst;
|
|
|
|
if ((dst = ExAllocatePool(PagedPool, size + sizeof(WCHAR))))
|
|
{
|
|
memcpy(dst, hid_compat, sizeof(hid_compat));
|
|
dst[size / sizeof(WCHAR)] = 0;
|
|
}
|
|
|
|
return dst;
|
|
}
|
|
|
|
static NTSTATUS WINAPI pdo_pnp(DEVICE_OBJECT *device, IRP *irp)
|
|
{
|
|
IO_STACK_LOCATION *stack = IoGetCurrentIrpStackLocation(irp);
|
|
struct func_device *fdo = fdo_from_DEVICE_OBJECT(device);
|
|
struct device *impl = impl_from_DEVICE_OBJECT(device);
|
|
ULONG code = stack->MinorFunction;
|
|
NTSTATUS status;
|
|
IRP *pending;
|
|
|
|
TRACE("device %p, irp %p, code %#x, bus_device %p.\n", device, irp, code, fdo->bus_device);
|
|
|
|
switch (code)
|
|
{
|
|
case IRP_MN_START_DEVICE:
|
|
status = STATUS_SUCCESS;
|
|
break;
|
|
|
|
case IRP_MN_SURPRISE_REMOVAL:
|
|
status = STATUS_SUCCESS;
|
|
if (InterlockedExchange(&impl->removed, TRUE)) break;
|
|
|
|
RtlEnterCriticalSection(&fdo->cs);
|
|
pending = fdo->pending_read;
|
|
fdo->pending_read = NULL;
|
|
RtlLeaveCriticalSection(&fdo->cs);
|
|
|
|
if (pending)
|
|
{
|
|
pending->IoStatus.Status = STATUS_DELETE_PENDING;
|
|
pending->IoStatus.Information = 0;
|
|
IoCompleteRequest(pending, IO_NO_INCREMENT);
|
|
}
|
|
break;
|
|
|
|
case IRP_MN_REMOVE_DEVICE:
|
|
irp->IoStatus.Status = STATUS_SUCCESS;
|
|
IoCompleteRequest(irp, IO_NO_INCREMENT);
|
|
IoDeleteDevice(device);
|
|
return STATUS_SUCCESS;
|
|
|
|
case IRP_MN_QUERY_ID:
|
|
{
|
|
BUS_QUERY_ID_TYPE type = stack->Parameters.QueryId.IdType;
|
|
switch (type)
|
|
{
|
|
case BusQueryHardwareIDs:
|
|
irp->IoStatus.Information = (ULONG_PTR)query_hardware_ids(device);
|
|
if (!irp->IoStatus.Information) status = STATUS_NO_MEMORY;
|
|
else status = STATUS_SUCCESS;
|
|
break;
|
|
case BusQueryCompatibleIDs:
|
|
irp->IoStatus.Information = (ULONG_PTR)query_compatible_ids(device);
|
|
if (!irp->IoStatus.Information) status = STATUS_NO_MEMORY;
|
|
else status = STATUS_SUCCESS;
|
|
break;
|
|
case BusQueryDeviceID:
|
|
irp->IoStatus.Information = (ULONG_PTR)query_device_id(device);
|
|
if (!irp->IoStatus.Information) status = STATUS_NO_MEMORY;
|
|
else status = STATUS_SUCCESS;
|
|
break;
|
|
case BusQueryInstanceID:
|
|
irp->IoStatus.Information = (ULONG_PTR)query_instance_id(device);
|
|
if (!irp->IoStatus.Information) status = STATUS_NO_MEMORY;
|
|
else status = STATUS_SUCCESS;
|
|
break;
|
|
default:
|
|
FIXME("IRP_MN_QUERY_ID type %u, not implemented!\n", type);
|
|
status = irp->IoStatus.Status;
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
|
|
case IRP_MN_QUERY_CAPABILITIES:
|
|
status = STATUS_SUCCESS;
|
|
break;
|
|
|
|
case IRP_MN_QUERY_DEVICE_RELATIONS:
|
|
status = irp->IoStatus.Status;
|
|
break;
|
|
|
|
default:
|
|
FIXME("code %#x, not implemented!\n", code);
|
|
status = irp->IoStatus.Status;
|
|
break;
|
|
}
|
|
|
|
irp->IoStatus.Status = status;
|
|
IoCompleteRequest(irp, IO_NO_INCREMENT);
|
|
return status;
|
|
}
|
|
|
|
static NTSTATUS create_child_pdos(DEVICE_OBJECT *device)
|
|
{
|
|
struct func_device *fdo = fdo_from_DEVICE_OBJECT(device);
|
|
DEVICE_OBJECT *gamepad_device, *xinput_device;
|
|
struct phys_device *pdo;
|
|
UNICODE_STRING name_str;
|
|
WCHAR *tmp, name[255];
|
|
NTSTATUS status;
|
|
|
|
swprintf(name, ARRAY_SIZE(name), L"\\Device\\WINEXINPUT#%p&%p&0",
|
|
device->DriverObject, fdo->bus_device);
|
|
RtlInitUnicodeString(&name_str, name);
|
|
|
|
if ((status = IoCreateDevice(device->DriverObject, sizeof(struct phys_device),
|
|
&name_str, 0, 0, FALSE, &gamepad_device)))
|
|
{
|
|
ERR("failed to create gamepad device, status %#x.\n", status);
|
|
return status;
|
|
}
|
|
|
|
swprintf(name, ARRAY_SIZE(name), L"\\Device\\WINEXINPUT#%p&%p&1",
|
|
device->DriverObject, fdo->bus_device);
|
|
RtlInitUnicodeString(&name_str, name);
|
|
|
|
if ((status = IoCreateDevice(device->DriverObject, sizeof(struct phys_device),
|
|
&name_str, 0, 0, FALSE, &xinput_device)))
|
|
{
|
|
ERR("failed to create xinput device, status %#x.\n", status);
|
|
IoDeleteDevice(gamepad_device);
|
|
return status;
|
|
}
|
|
|
|
fdo->gamepad_device = gamepad_device;
|
|
pdo = gamepad_device->DeviceExtension;
|
|
pdo->fdo = fdo;
|
|
pdo->base.is_fdo = FALSE;
|
|
pdo->base.is_gamepad = TRUE;
|
|
wcscpy(pdo->base.device_id, fdo->base.device_id);
|
|
|
|
if ((tmp = wcsstr(pdo->base.device_id, L"&MI_"))) memcpy(tmp, L"&IG", 6);
|
|
else wcscat(pdo->base.device_id, L"&IG_00");
|
|
|
|
TRACE("device %p, gamepad device %p.\n", device, gamepad_device);
|
|
|
|
fdo->xinput_device = xinput_device;
|
|
pdo = xinput_device->DeviceExtension;
|
|
pdo->fdo = fdo;
|
|
pdo->base.is_fdo = FALSE;
|
|
pdo->base.is_gamepad = FALSE;
|
|
wcscpy(pdo->base.device_id, fdo->base.device_id);
|
|
|
|
if ((tmp = wcsstr(pdo->base.device_id, L"&MI_"))) memcpy(tmp, L"&XI", 6);
|
|
else wcscat(pdo->base.device_id, L"&XI_00");
|
|
|
|
TRACE("device %p, xinput device %p.\n", device, xinput_device);
|
|
|
|
IoInvalidateDeviceRelations(fdo->bus_device, BusRelations);
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
static NTSTATUS sync_ioctl(DEVICE_OBJECT *device, DWORD code, void *in_buf, DWORD in_len, void *out_buf, DWORD out_len)
|
|
{
|
|
IO_STATUS_BLOCK io;
|
|
KEVENT event;
|
|
IRP *irp;
|
|
|
|
KeInitializeEvent(&event, NotificationEvent, FALSE);
|
|
irp = IoBuildDeviceIoControlRequest(code, device, in_buf, in_len, out_buf, out_len, TRUE, &event, &io);
|
|
if (IoCallDriver(device, irp) == STATUS_PENDING) KeWaitForSingleObject(&event, Executive, KernelMode, FALSE, NULL);
|
|
|
|
return io.Status;
|
|
}
|
|
|
|
static void check_value_caps(struct func_device *fdo, USHORT usage, HIDP_VALUE_CAPS *caps)
|
|
{
|
|
switch (usage)
|
|
{
|
|
case HID_USAGE_GENERIC_X: fdo->lx_caps = *caps; break;
|
|
case HID_USAGE_GENERIC_Y: fdo->ly_caps = *caps; break;
|
|
case HID_USAGE_GENERIC_Z: fdo->lt_caps = *caps; break;
|
|
case HID_USAGE_GENERIC_RX: fdo->rx_caps = *caps; break;
|
|
case HID_USAGE_GENERIC_RY: fdo->ry_caps = *caps; break;
|
|
case HID_USAGE_GENERIC_RZ: fdo->rt_caps = *caps; break;
|
|
}
|
|
}
|
|
|
|
static NTSTATUS initialize_device(DEVICE_OBJECT *device)
|
|
{
|
|
struct func_device *fdo = fdo_from_DEVICE_OBJECT(device);
|
|
ULONG i, u, button_count, report_desc_len, report_count;
|
|
PHIDP_REPORT_DESCRIPTOR report_desc;
|
|
PHIDP_PREPARSED_DATA preparsed;
|
|
HIDP_BUTTON_CAPS *button_caps;
|
|
HIDP_VALUE_CAPS *value_caps;
|
|
HIDP_REPORT_IDS *reports;
|
|
HID_DESCRIPTOR hid_desc;
|
|
NTSTATUS status;
|
|
HIDP_CAPS caps;
|
|
|
|
if ((status = sync_ioctl(fdo->bus_device, IOCTL_HID_GET_DEVICE_DESCRIPTOR, NULL, 0, &hid_desc, sizeof(hid_desc))))
|
|
return status;
|
|
|
|
if (!(report_desc_len = hid_desc.DescriptorList[0].wReportLength)) return STATUS_UNSUCCESSFUL;
|
|
if (!(report_desc = malloc(report_desc_len))) return STATUS_NO_MEMORY;
|
|
|
|
status = sync_ioctl(fdo->bus_device, IOCTL_HID_GET_REPORT_DESCRIPTOR, NULL, 0, report_desc, report_desc_len);
|
|
if (!status) status = HidP_GetCollectionDescription(report_desc, report_desc_len, PagedPool, &fdo->device_desc);
|
|
free(report_desc);
|
|
if (status != HIDP_STATUS_SUCCESS) return status;
|
|
|
|
preparsed = fdo->device_desc.CollectionDesc->PreparsedData;
|
|
status = HidP_GetCaps(preparsed, &caps);
|
|
if (status != HIDP_STATUS_SUCCESS) return status;
|
|
|
|
button_count = 0;
|
|
if (!(button_caps = malloc(sizeof(*button_caps) * caps.NumberInputButtonCaps))) return STATUS_NO_MEMORY;
|
|
status = HidP_GetButtonCaps(HidP_Input, button_caps, &caps.NumberInputButtonCaps, preparsed);
|
|
if (status != HIDP_STATUS_SUCCESS) WARN("HidP_GetButtonCaps returned %#x\n", status);
|
|
else for (i = 0; i < caps.NumberInputButtonCaps; i++)
|
|
{
|
|
if (button_caps[i].UsagePage != HID_USAGE_PAGE_BUTTON) continue;
|
|
if (button_caps[i].IsRange) button_count = max(button_count, button_caps[i].Range.UsageMax);
|
|
else button_count = max(button_count, button_caps[i].NotRange.Usage);
|
|
}
|
|
free(button_caps);
|
|
if (status != HIDP_STATUS_SUCCESS) return status;
|
|
if (button_count < 10) WARN("only %u buttons found\n", button_count);
|
|
|
|
if (!(value_caps = malloc(sizeof(*value_caps) * caps.NumberInputValueCaps))) return STATUS_NO_MEMORY;
|
|
status = HidP_GetValueCaps(HidP_Input, value_caps, &caps.NumberInputValueCaps, preparsed);
|
|
if (status != HIDP_STATUS_SUCCESS) WARN("HidP_GetValueCaps returned %#x\n", status);
|
|
else for (i = 0; i < caps.NumberInputValueCaps; i++)
|
|
{
|
|
HIDP_VALUE_CAPS *caps = value_caps + i;
|
|
if (caps->UsagePage != HID_USAGE_PAGE_GENERIC) continue;
|
|
if (!caps->IsRange) check_value_caps(fdo, caps->NotRange.Usage, caps);
|
|
else for (u = caps->Range.UsageMin; u <=caps->Range.UsageMax; u++) check_value_caps(fdo, u, value_caps + i);
|
|
}
|
|
free(value_caps);
|
|
if (status != HIDP_STATUS_SUCCESS) return status;
|
|
if (!fdo->lx_caps.UsagePage) WARN("missing lx axis\n");
|
|
if (!fdo->ly_caps.UsagePage) WARN("missing ly axis\n");
|
|
if (!fdo->lt_caps.UsagePage) WARN("missing lt axis\n");
|
|
if (!fdo->rx_caps.UsagePage) WARN("missing rx axis\n");
|
|
if (!fdo->ry_caps.UsagePage) WARN("missing ry axis\n");
|
|
if (!fdo->rt_caps.UsagePage) WARN("missing rt axis\n");
|
|
|
|
reports = fdo->device_desc.ReportIDs;
|
|
report_count = fdo->device_desc.ReportIDsLength;
|
|
for (i = 0; i < report_count; ++i) if (!reports[i].ReportID || reports[i].InputLength) break;
|
|
if (i == report_count) i = 0; /* no input report?!, just use first ID */
|
|
|
|
fdo->report_len = caps.InputReportByteLength;
|
|
if (!(fdo->report_buf = malloc(fdo->report_len))) return STATUS_NO_MEMORY;
|
|
fdo->report_buf[0] = reports[i].ReportID;
|
|
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
static NTSTATUS WINAPI set_event_completion(DEVICE_OBJECT *device, IRP *irp, void *context)
|
|
{
|
|
if (irp->PendingReturned) KeSetEvent((KEVENT *)context, IO_NO_INCREMENT, FALSE);
|
|
return STATUS_MORE_PROCESSING_REQUIRED;
|
|
}
|
|
|
|
static NTSTATUS WINAPI fdo_pnp(DEVICE_OBJECT *device, IRP *irp)
|
|
{
|
|
IO_STACK_LOCATION *stack = IoGetCurrentIrpStackLocation(irp);
|
|
struct func_device *fdo = fdo_from_DEVICE_OBJECT(device);
|
|
ULONG code = stack->MinorFunction;
|
|
DEVICE_RELATIONS *devices;
|
|
DEVICE_OBJECT *child;
|
|
NTSTATUS status;
|
|
KEVENT event;
|
|
|
|
TRACE("device %p, irp %p, code %#x, bus_device %p.\n", device, irp, code, fdo->bus_device);
|
|
|
|
switch (stack->MinorFunction)
|
|
{
|
|
case IRP_MN_QUERY_DEVICE_RELATIONS:
|
|
if (stack->Parameters.QueryDeviceRelations.Type == BusRelations)
|
|
{
|
|
if (!(devices = ExAllocatePool(PagedPool, offsetof(DEVICE_RELATIONS, Objects[2]))))
|
|
{
|
|
irp->IoStatus.Status = STATUS_NO_MEMORY;
|
|
IoCompleteRequest(irp, IO_NO_INCREMENT);
|
|
return STATUS_NO_MEMORY;
|
|
}
|
|
|
|
devices->Count = 0;
|
|
if ((child = fdo->xinput_device))
|
|
{
|
|
devices->Objects[devices->Count] = child;
|
|
call_fastcall_func1(ObfReferenceObject, child);
|
|
devices->Count++;
|
|
}
|
|
if ((child = fdo->gamepad_device))
|
|
{
|
|
devices->Objects[devices->Count] = child;
|
|
call_fastcall_func1(ObfReferenceObject, child);
|
|
devices->Count++;
|
|
}
|
|
|
|
irp->IoStatus.Information = (ULONG_PTR)devices;
|
|
irp->IoStatus.Status = STATUS_SUCCESS;
|
|
}
|
|
|
|
IoSkipCurrentIrpStackLocation(irp);
|
|
return IoCallDriver(fdo->bus_device, irp);
|
|
|
|
case IRP_MN_START_DEVICE:
|
|
KeInitializeEvent(&event, NotificationEvent, FALSE);
|
|
IoCopyCurrentIrpStackLocationToNext(irp);
|
|
IoSetCompletionRoutine(irp, set_event_completion, &event, TRUE, TRUE, TRUE);
|
|
|
|
status = IoCallDriver(fdo->bus_device, irp);
|
|
if (status == STATUS_PENDING)
|
|
{
|
|
KeWaitForSingleObject(&event, Executive, KernelMode, FALSE, NULL);
|
|
status = irp->IoStatus.Status;
|
|
}
|
|
if (!status) status = initialize_device(device);
|
|
if (!status) status = create_child_pdos(device);
|
|
|
|
if (status) irp->IoStatus.Status = status;
|
|
IoCompleteRequest(irp, IO_NO_INCREMENT);
|
|
return status;
|
|
|
|
case IRP_MN_REMOVE_DEVICE:
|
|
IoSkipCurrentIrpStackLocation(irp);
|
|
status = IoCallDriver(fdo->bus_device, irp);
|
|
IoDetachDevice(fdo->bus_device);
|
|
RtlDeleteCriticalSection(&fdo->cs);
|
|
HidP_FreeCollectionDescription(&fdo->device_desc);
|
|
free(fdo->report_buf);
|
|
IoDeleteDevice(device);
|
|
return status;
|
|
|
|
default:
|
|
IoSkipCurrentIrpStackLocation(irp);
|
|
return IoCallDriver(fdo->bus_device, irp);
|
|
}
|
|
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
static NTSTATUS WINAPI driver_pnp(DEVICE_OBJECT *device, IRP *irp)
|
|
{
|
|
struct device *impl = impl_from_DEVICE_OBJECT(device);
|
|
if (impl->is_fdo) return fdo_pnp(device, irp);
|
|
return pdo_pnp(device, irp);
|
|
}
|
|
|
|
static NTSTATUS get_device_id(DEVICE_OBJECT *device, BUS_QUERY_ID_TYPE type, WCHAR *id)
|
|
{
|
|
IO_STACK_LOCATION *stack;
|
|
IO_STATUS_BLOCK io;
|
|
KEVENT event;
|
|
IRP *irp;
|
|
|
|
KeInitializeEvent(&event, NotificationEvent, FALSE);
|
|
irp = IoBuildSynchronousFsdRequest(IRP_MJ_PNP, device, NULL, 0, NULL, &event, &io);
|
|
if (irp == NULL) return STATUS_NO_MEMORY;
|
|
|
|
stack = IoGetNextIrpStackLocation(irp);
|
|
stack->MinorFunction = IRP_MN_QUERY_ID;
|
|
stack->Parameters.QueryId.IdType = type;
|
|
|
|
if (IoCallDriver(device, irp) == STATUS_PENDING)
|
|
KeWaitForSingleObject(&event, Executive, KernelMode, FALSE, NULL);
|
|
|
|
wcscpy(id, (WCHAR *)io.Information);
|
|
ExFreePool((WCHAR *)io.Information);
|
|
return io.Status;
|
|
}
|
|
|
|
static NTSTATUS WINAPI add_device(DRIVER_OBJECT *driver, DEVICE_OBJECT *bus_device)
|
|
{
|
|
WCHAR bus_id[MAX_DEVICE_ID_LEN], *device_id, instance_id[MAX_DEVICE_ID_LEN];
|
|
struct func_device *fdo;
|
|
DEVICE_OBJECT *device;
|
|
NTSTATUS status;
|
|
|
|
TRACE("driver %p, bus_device %p.\n", driver, bus_device);
|
|
|
|
if ((status = get_device_id(bus_device, BusQueryDeviceID, bus_id)))
|
|
{
|
|
ERR("failed to get bus device id, status %#x.\n", status);
|
|
return status;
|
|
}
|
|
|
|
if ((device_id = wcsrchr(bus_id, '\\'))) *device_id++ = 0;
|
|
else
|
|
{
|
|
ERR("unexpected device id %s\n", debugstr_w(bus_id));
|
|
return STATUS_UNSUCCESSFUL;
|
|
}
|
|
|
|
if ((status = get_device_id(bus_device, BusQueryInstanceID, instance_id)))
|
|
{
|
|
ERR("failed to get bus device instance id, status %#x.\n", status);
|
|
return status;
|
|
}
|
|
|
|
if ((status = IoCreateDevice(driver, sizeof(struct func_device), NULL,
|
|
FILE_DEVICE_BUS_EXTENDER, 0, FALSE, &device)))
|
|
{
|
|
ERR("failed to create bus FDO, status %#x.\n", status);
|
|
return status;
|
|
}
|
|
|
|
fdo = device->DeviceExtension;
|
|
fdo->base.is_fdo = TRUE;
|
|
swprintf(fdo->base.device_id, MAX_DEVICE_ID_LEN, L"WINEXINPUT\\%s", device_id);
|
|
|
|
fdo->bus_device = bus_device;
|
|
wcscpy(fdo->instance_id, instance_id);
|
|
|
|
RtlInitializeCriticalSection(&fdo->cs);
|
|
fdo->cs.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": func_device.cs");
|
|
|
|
TRACE("device %p, bus_id %s, device_id %s, instance_id %s.\n", device, debugstr_w(bus_id),
|
|
debugstr_w(fdo->base.device_id), debugstr_w(fdo->instance_id));
|
|
|
|
IoAttachDeviceToDeviceStack(device, bus_device);
|
|
device->Flags &= ~DO_DEVICE_INITIALIZING;
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
static void WINAPI driver_unload(DRIVER_OBJECT *driver)
|
|
{
|
|
TRACE("driver %p\n", driver);
|
|
}
|
|
|
|
NTSTATUS WINAPI DriverEntry(DRIVER_OBJECT *driver, UNICODE_STRING *path)
|
|
{
|
|
TRACE("driver %p, path %s.\n", driver, debugstr_w(path->Buffer));
|
|
|
|
driver->MajorFunction[IRP_MJ_INTERNAL_DEVICE_CONTROL] = internal_ioctl;
|
|
driver->MajorFunction[IRP_MJ_PNP] = driver_pnp;
|
|
driver->DriverExtension->AddDevice = add_device;
|
|
driver->DriverUnload = driver_unload;
|
|
|
|
return STATUS_SUCCESS;
|
|
}
|