1516 lines
46 KiB
C
1516 lines
46 KiB
C
/*
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* Plug and Play support for hid devices found through udev
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*
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* Copyright 2016 CodeWeavers, Aric Stewart
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "config.h"
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#include <errno.h>
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#include <fcntl.h>
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#include <stdarg.h>
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#include <stdlib.h>
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#include <stdio.h>
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#ifdef HAVE_UNISTD_H
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# include <unistd.h>
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#endif
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#ifdef HAVE_POLL_H
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# include <poll.h>
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#endif
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#ifdef HAVE_SYS_POLL_H
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# include <sys/poll.h>
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#endif
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#ifdef HAVE_LIBUDEV_H
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# include <libudev.h>
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#endif
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#ifdef HAVE_LINUX_HIDRAW_H
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# include <linux/hidraw.h>
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#endif
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#ifdef HAVE_SYS_IOCTL_H
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# include <sys/ioctl.h>
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#endif
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#ifdef HAVE_LINUX_INPUT_H
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# include <linux/input.h>
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# undef SW_MAX
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# if defined(EVIOCGBIT) && defined(EV_ABS) && defined(BTN_PINKIE)
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# define HAS_PROPER_INPUT_HEADER
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# endif
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# ifndef SYN_DROPPED
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# define SYN_DROPPED 3
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# endif
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#endif
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#define NONAMELESSUNION
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#include "ntstatus.h"
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#define WIN32_NO_STATUS
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#include "windef.h"
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#include "winbase.h"
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#include "winnls.h"
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#include "winternl.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 "wine/heap.h"
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#include "wine/unicode.h"
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#ifdef HAS_PROPER_INPUT_HEADER
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# include "hidusage.h"
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#endif
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#ifdef WORDS_BIGENDIAN
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#define LE_WORD(x) RtlUshortByteSwap(x)
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#define LE_DWORD(x) RtlUlongByteSwap(x)
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#else
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#define LE_WORD(x) (x)
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#define LE_DWORD(x) (x)
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#endif
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#include "controller.h"
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#include "bus.h"
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WINE_DEFAULT_DEBUG_CHANNEL(plugplay);
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#ifdef HAVE_UDEV
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WINE_DECLARE_DEBUG_CHANNEL(hid_report);
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static struct udev *udev_context = NULL;
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static DRIVER_OBJECT *udev_driver_obj = NULL;
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static DWORD disable_hidraw = 0;
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static DWORD disable_input = 0;
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static const WCHAR hidraw_busidW[] = {'H','I','D','R','A','W',0};
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static const WCHAR lnxev_busidW[] = {'L','N','X','E','V',0};
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#include "initguid.h"
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DEFINE_GUID(GUID_DEVCLASS_HIDRAW, 0x3def44ad,0x242e,0x46e5,0x82,0x6d,0x70,0x72,0x13,0xf3,0xaa,0x81);
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DEFINE_GUID(GUID_DEVCLASS_LINUXEVENT, 0x1b932c0d,0xfea7,0x42cd,0x8e,0xaa,0x0e,0x48,0x79,0xb6,0x9e,0xaa);
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struct platform_private
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{
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struct udev_device *udev_device;
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int device_fd;
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HANDLE report_thread;
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int control_pipe[2];
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};
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static inline struct platform_private *impl_from_DEVICE_OBJECT(DEVICE_OBJECT *device)
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{
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return (struct platform_private *)get_platform_private(device);
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}
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#ifdef HAS_PROPER_INPUT_HEADER
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static const BYTE REPORT_ABS_AXIS_TAIL[] = {
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0x17, 0x00, 0x00, 0x00, 0x00, /* LOGICAL_MINIMUM (0) */
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0x27, 0xff, 0x00, 0x00, 0x00, /* LOGICAL_MAXIMUM (0xff) */
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0x37, 0x00, 0x00, 0x00, 0x00, /* PHYSICAL_MINIMUM (0) */
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0x47, 0xff, 0x00, 0x00, 0x00, /* PHYSICAL_MAXIMUM (256) */
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0x75, 0x20, /* REPORT_SIZE (32) */
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0x95, 0x00, /* REPORT_COUNT (2) */
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0x81, 0x02, /* INPUT (Data,Var,Abs) */
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};
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#define IDX_ABS_LOG_MINIMUM 1
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#define IDX_ABS_LOG_MAXIMUM 6
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#define IDX_ABS_PHY_MINIMUM 11
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#define IDX_ABS_PHY_MAXIMUM 16
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#define IDX_ABS_AXIS_COUNT 23
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static const BYTE ABS_TO_HID_MAP[][2] = {
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{HID_USAGE_PAGE_GENERIC, HID_USAGE_GENERIC_X}, /*ABS_X*/
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{HID_USAGE_PAGE_GENERIC, HID_USAGE_GENERIC_Y}, /*ABS_Y*/
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{HID_USAGE_PAGE_GENERIC, HID_USAGE_GENERIC_Z}, /*ABS_Z*/
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{HID_USAGE_PAGE_GENERIC, HID_USAGE_GENERIC_RX}, /*ABS_RX*/
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{HID_USAGE_PAGE_GENERIC, HID_USAGE_GENERIC_RY}, /*ABS_RY*/
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{HID_USAGE_PAGE_GENERIC, HID_USAGE_GENERIC_RZ}, /*ABS_RZ*/
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{HID_USAGE_PAGE_SIMULATION, HID_USAGE_SIMULATION_THROTTLE}, /*ABS_THROTTLE*/
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{HID_USAGE_PAGE_SIMULATION, HID_USAGE_SIMULATION_RUDDER}, /*ABS_RUDDER*/
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{HID_USAGE_PAGE_GENERIC, HID_USAGE_GENERIC_WHEEL}, /*ABS_WHEEL*/
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{HID_USAGE_PAGE_SIMULATION, 0xC4}, /*ABS_GAS*/
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{HID_USAGE_PAGE_SIMULATION, 0xC5}, /*ABS_BRAKE*/
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{0,0}, /*ABS_HAT0X*/
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{0,0}, /*ABS_HAT0Y*/
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{0,0}, /*ABS_HAT1X*/
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{0,0}, /*ABS_HAT1Y*/
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{0,0}, /*ABS_HAT2X*/
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{0,0}, /*ABS_HAT2Y*/
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{0,0}, /*ABS_HAT3X*/
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{0,0}, /*ABS_HAT3Y*/
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{HID_USAGE_PAGE_DIGITIZER, 0x30}, /*ABS_PRESSURE*/
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{0, 0}, /*ABS_DISTANCE*/
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{HID_USAGE_PAGE_DIGITIZER, 0x3D}, /*ABS_TILT_X*/
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{HID_USAGE_PAGE_DIGITIZER, 0x3F}, /*ABS_TILT_Y*/
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{0, 0}, /*ABS_TOOL_WIDTH*/
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{0, 0},
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{0, 0},
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{0, 0},
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{HID_USAGE_PAGE_CONSUMER, 0xE0} /*ABS_VOLUME*/
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};
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#define HID_ABS_MAX (ABS_VOLUME+1)
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#define TOP_ABS_PAGE (HID_USAGE_PAGE_DIGITIZER+1)
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static const BYTE REL_TO_HID_MAP[][2] = {
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{HID_USAGE_PAGE_GENERIC, HID_USAGE_GENERIC_X}, /* REL_X */
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{HID_USAGE_PAGE_GENERIC, HID_USAGE_GENERIC_Y}, /* REL_Y */
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{HID_USAGE_PAGE_GENERIC, HID_USAGE_GENERIC_Z}, /* REL_Z */
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{HID_USAGE_PAGE_GENERIC, HID_USAGE_GENERIC_RX}, /* REL_RX */
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{HID_USAGE_PAGE_GENERIC, HID_USAGE_GENERIC_RY}, /* REL_RY */
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{HID_USAGE_PAGE_GENERIC, HID_USAGE_GENERIC_RZ}, /* REL_RZ */
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{0, 0}, /* REL_HWHEEL */
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{HID_USAGE_PAGE_GENERIC, HID_USAGE_GENERIC_DIAL}, /* REL_DIAL */
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{HID_USAGE_PAGE_GENERIC, HID_USAGE_GENERIC_WHEEL}, /* REL_WHEEL */
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{0, 0} /* REL_MISC */
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};
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#define HID_REL_MAX (REL_MISC+1)
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#define TOP_REL_PAGE (HID_USAGE_PAGE_CONSUMER+1)
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struct wine_input_absinfo {
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struct input_absinfo info;
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BYTE report_index;
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};
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struct wine_input_private {
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struct platform_private base;
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int buffer_length;
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BYTE *last_report_buffer;
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BYTE *current_report_buffer;
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enum { FIRST, NORMAL, DROPPED } report_state;
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int report_descriptor_size;
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BYTE *report_descriptor;
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int button_start;
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BYTE button_map[KEY_MAX];
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BYTE rel_map[HID_REL_MAX];
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BYTE hat_map[8];
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int hat_values[8];
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struct wine_input_absinfo abs_map[HID_ABS_MAX];
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};
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#define test_bit(arr,bit) (((BYTE*)(arr))[(bit)>>3]&(1<<((bit)&7)))
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static BYTE *add_axis_block(BYTE *report_ptr, BYTE count, BYTE page, BYTE *usages, BOOL absolute, const struct wine_input_absinfo *absinfo)
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{
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int i;
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memcpy(report_ptr, REPORT_AXIS_HEADER, sizeof(REPORT_AXIS_HEADER));
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report_ptr[IDX_AXIS_PAGE] = page;
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report_ptr += sizeof(REPORT_AXIS_HEADER);
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for (i = 0; i < count; i++)
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{
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memcpy(report_ptr, REPORT_AXIS_USAGE, sizeof(REPORT_AXIS_USAGE));
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report_ptr[IDX_AXIS_USAGE] = usages[i];
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report_ptr += sizeof(REPORT_AXIS_USAGE);
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}
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if (absolute)
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{
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memcpy(report_ptr, REPORT_ABS_AXIS_TAIL, sizeof(REPORT_ABS_AXIS_TAIL));
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if (absinfo)
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{
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*((int*)&report_ptr[IDX_ABS_LOG_MINIMUM]) = LE_DWORD(absinfo->info.minimum);
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*((int*)&report_ptr[IDX_ABS_LOG_MAXIMUM]) = LE_DWORD(absinfo->info.maximum);
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*((int*)&report_ptr[IDX_ABS_PHY_MINIMUM]) = LE_DWORD(absinfo->info.minimum);
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*((int*)&report_ptr[IDX_ABS_PHY_MAXIMUM]) = LE_DWORD(absinfo->info.maximum);
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}
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report_ptr[IDX_ABS_AXIS_COUNT] = count;
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report_ptr += sizeof(REPORT_ABS_AXIS_TAIL);
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}
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else
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{
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memcpy(report_ptr, REPORT_REL_AXIS_TAIL, sizeof(REPORT_REL_AXIS_TAIL));
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report_ptr[IDX_REL_AXIS_COUNT] = count;
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report_ptr += sizeof(REPORT_REL_AXIS_TAIL);
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}
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return report_ptr;
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}
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static const BYTE* what_am_I(struct udev_device *dev)
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{
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static const BYTE Unknown[2] = {HID_USAGE_PAGE_GENERIC, 0};
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static const BYTE Mouse[2] = {HID_USAGE_PAGE_GENERIC, HID_USAGE_GENERIC_MOUSE};
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static const BYTE Keyboard[2] = {HID_USAGE_PAGE_GENERIC, HID_USAGE_GENERIC_KEYBOARD};
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static const BYTE Gamepad[2] = {HID_USAGE_PAGE_GENERIC, HID_USAGE_GENERIC_GAMEPAD};
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static const BYTE Keypad[2] = {HID_USAGE_PAGE_GENERIC, HID_USAGE_GENERIC_KEYPAD};
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static const BYTE Tablet[2] = {HID_USAGE_PAGE_DIGITIZER, 0x2};
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static const BYTE Touchscreen[2] = {HID_USAGE_PAGE_DIGITIZER, 0x4};
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static const BYTE Touchpad[2] = {HID_USAGE_PAGE_DIGITIZER, 0x5};
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struct udev_device *parent = dev;
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/* Look to the parents until we get a clue */
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while (parent)
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{
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if (udev_device_get_property_value(parent, "ID_INPUT_MOUSE"))
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return Mouse;
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else if (udev_device_get_property_value(parent, "ID_INPUT_KEYBOARD"))
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return Keyboard;
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else if (udev_device_get_property_value(parent, "ID_INPUT_JOYSTICK"))
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return Gamepad;
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else if (udev_device_get_property_value(parent, "ID_INPUT_KEY"))
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return Keypad;
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else if (udev_device_get_property_value(parent, "ID_INPUT_TOUCHPAD"))
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return Touchpad;
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else if (udev_device_get_property_value(parent, "ID_INPUT_TOUCHSCREEN"))
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return Touchscreen;
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else if (udev_device_get_property_value(parent, "ID_INPUT_TABLET"))
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return Tablet;
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parent = udev_device_get_parent_with_subsystem_devtype(parent, "input", NULL);
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}
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return Unknown;
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}
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static void set_button_value(int index, int value, BYTE* buffer)
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{
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int bindex = index / 8;
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int b = index % 8;
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BYTE mask;
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mask = 1<<b;
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if (value)
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buffer[bindex] = buffer[bindex] | mask;
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else
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{
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mask = ~mask;
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buffer[bindex] = buffer[bindex] & mask;
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}
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}
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static void set_abs_axis_value(struct wine_input_private *ext, int code, int value)
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{
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int index;
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/* check for hatswitches */
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if (code <= ABS_HAT3Y && code >= ABS_HAT0X)
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{
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index = code - ABS_HAT0X;
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ext->hat_values[index] = value;
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if ((code - ABS_HAT0X) % 2)
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index--;
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/* 8 1 2
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* 7 0 3
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* 6 5 4 */
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if (ext->hat_values[index] == 0)
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{
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if (ext->hat_values[index+1] == 0)
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value = 0;
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else if (ext->hat_values[index+1] < 0)
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value = 1;
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else
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value = 5;
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}
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else if (ext->hat_values[index] > 0)
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{
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if (ext->hat_values[index+1] == 0)
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value = 3;
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else if (ext->hat_values[index+1] < 0)
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value = 2;
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else
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value = 4;
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}
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else
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{
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if (ext->hat_values[index+1] == 0)
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value = 7;
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else if (ext->hat_values[index+1] < 0)
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value = 8;
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else
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value = 6;
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}
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ext->current_report_buffer[ext->hat_map[index]] = value;
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}
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else if (code < HID_ABS_MAX && ABS_TO_HID_MAP[code][0] != 0)
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{
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index = ext->abs_map[code].report_index;
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*((DWORD*)&ext->current_report_buffer[index]) = LE_DWORD(value);
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}
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}
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static void set_rel_axis_value(struct wine_input_private *ext, int code, int value)
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{
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int index;
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if (code < HID_REL_MAX && REL_TO_HID_MAP[code][0] != 0)
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{
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index = ext->rel_map[code];
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if (value > 127) value = 127;
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if (value < -127) value = -127;
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ext->current_report_buffer[index] = value;
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}
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}
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static INT count_buttons(int device_fd, BYTE *map)
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{
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int i;
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int button_count = 0;
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BYTE keybits[(KEY_MAX+7)/8];
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if (ioctl(device_fd, EVIOCGBIT(EV_KEY, sizeof(keybits)), keybits) == -1)
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{
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WARN("ioctl(EVIOCGBIT, EV_KEY) failed: %d %s\n", errno, strerror(errno));
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return FALSE;
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}
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for (i = BTN_MISC; i < KEY_MAX; i++)
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{
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if (test_bit(keybits, i))
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{
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if (map) map[i] = button_count;
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button_count++;
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}
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}
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return button_count;
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}
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static INT count_abs_axis(int device_fd)
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{
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BYTE absbits[(ABS_MAX+7)/8];
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int abs_count = 0;
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int i;
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if (ioctl(device_fd, EVIOCGBIT(EV_ABS, sizeof(absbits)), absbits) == -1)
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{
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WARN("ioctl(EVIOCGBIT, EV_ABS) failed: %d %s\n", errno, strerror(errno));
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return 0;
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}
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for (i = 0; i < HID_ABS_MAX; i++)
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if (test_bit(absbits, i) &&
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(ABS_TO_HID_MAP[i][1] >= HID_USAGE_GENERIC_X &&
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ABS_TO_HID_MAP[i][1] <= HID_USAGE_GENERIC_WHEEL))
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abs_count++;
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return abs_count;
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}
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static BOOL build_report_descriptor(struct wine_input_private *ext, struct udev_device *dev)
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{
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int abs_pages[TOP_ABS_PAGE][HID_ABS_MAX+1];
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int rel_pages[TOP_REL_PAGE][HID_REL_MAX+1];
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BYTE absbits[(ABS_MAX+7)/8];
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BYTE relbits[(REL_MAX+7)/8];
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BYTE *report_ptr;
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INT i, descript_size;
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INT report_size;
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INT button_count, abs_count, rel_count, hat_count;
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const BYTE *device_usage = what_am_I(dev);
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if (ioctl(ext->base.device_fd, EVIOCGBIT(EV_REL, sizeof(relbits)), relbits) == -1)
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{
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WARN("ioctl(EVIOCGBIT, EV_REL) failed: %d %s\n", errno, strerror(errno));
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return FALSE;
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}
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if (ioctl(ext->base.device_fd, EVIOCGBIT(EV_ABS, sizeof(absbits)), absbits) == -1)
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{
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WARN("ioctl(EVIOCGBIT, EV_ABS) failed: %d %s\n", errno, strerror(errno));
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return FALSE;
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}
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descript_size = sizeof(REPORT_HEADER) + sizeof(REPORT_TAIL);
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report_size = 0;
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abs_count = 0;
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memset(abs_pages, 0, sizeof(abs_pages));
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for (i = 0; i < HID_ABS_MAX; i++)
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if (test_bit(absbits, i))
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{
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abs_pages[ABS_TO_HID_MAP[i][0]][0]++;
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abs_pages[ABS_TO_HID_MAP[i][0]][abs_pages[ABS_TO_HID_MAP[i][0]][0]] = i;
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ioctl(ext->base.device_fd, EVIOCGABS(i), &(ext->abs_map[i]));
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}
|
|
/* Skip page 0, aka HID_USAGE_PAGE_UNDEFINED */
|
|
for (i = 1; i < TOP_ABS_PAGE; i++)
|
|
if (abs_pages[i][0] > 0)
|
|
{
|
|
int j;
|
|
descript_size += sizeof(REPORT_AXIS_USAGE) * abs_pages[i][0];
|
|
for (j = 1; j <= abs_pages[i][0]; j++)
|
|
{
|
|
ext->abs_map[abs_pages[i][j]].report_index = report_size;
|
|
report_size+=4;
|
|
}
|
|
abs_count++;
|
|
}
|
|
descript_size += sizeof(REPORT_AXIS_HEADER) * abs_count;
|
|
descript_size += sizeof(REPORT_ABS_AXIS_TAIL) * abs_count;
|
|
|
|
rel_count = 0;
|
|
memset(rel_pages, 0, sizeof(rel_pages));
|
|
for (i = 0; i < HID_REL_MAX; i++)
|
|
if (test_bit(relbits, i))
|
|
{
|
|
rel_pages[REL_TO_HID_MAP[i][0]][0]++;
|
|
rel_pages[REL_TO_HID_MAP[i][0]][rel_pages[REL_TO_HID_MAP[i][0]][0]] = i;
|
|
}
|
|
/* Skip page 0, aka HID_USAGE_PAGE_UNDEFINED */
|
|
for (i = 1; i < TOP_REL_PAGE; i++)
|
|
if (rel_pages[i][0] > 0)
|
|
{
|
|
int j;
|
|
descript_size += sizeof(REPORT_AXIS_USAGE) * rel_pages[i][0];
|
|
for (j = 1; j <= rel_pages[i][0]; j++)
|
|
{
|
|
ext->rel_map[rel_pages[i][j]] = report_size;
|
|
report_size++;
|
|
}
|
|
rel_count++;
|
|
}
|
|
descript_size += sizeof(REPORT_AXIS_HEADER) * rel_count;
|
|
descript_size += sizeof(REPORT_REL_AXIS_TAIL) * rel_count;
|
|
|
|
/* For now lump all buttons just into incremental usages, Ignore Keys */
|
|
ext->button_start = report_size;
|
|
button_count = count_buttons(ext->base.device_fd, ext->button_map);
|
|
if (button_count)
|
|
{
|
|
descript_size += sizeof(REPORT_BUTTONS);
|
|
if (button_count % 8)
|
|
descript_size += sizeof(REPORT_PADDING);
|
|
report_size += (button_count + 7) / 8;
|
|
}
|
|
|
|
hat_count = 0;
|
|
for (i = ABS_HAT0X; i <=ABS_HAT3X; i+=2)
|
|
if (test_bit(absbits, i))
|
|
{
|
|
ext->hat_map[i - ABS_HAT0X] = report_size;
|
|
ext->hat_values[i - ABS_HAT0X] = 0;
|
|
ext->hat_values[i - ABS_HAT0X + 1] = 0;
|
|
report_size++;
|
|
hat_count++;
|
|
}
|
|
if (hat_count > 0)
|
|
descript_size += sizeof(REPORT_HATSWITCH);
|
|
|
|
TRACE("Report Descriptor will be %i bytes\n", descript_size);
|
|
TRACE("Report will be %i bytes\n", report_size);
|
|
|
|
ext->report_descriptor = HeapAlloc(GetProcessHeap(), 0, descript_size);
|
|
if (!ext->report_descriptor)
|
|
{
|
|
ERR("Failed to alloc report descriptor\n");
|
|
return FALSE;
|
|
}
|
|
report_ptr = ext->report_descriptor;
|
|
|
|
memcpy(report_ptr, REPORT_HEADER, sizeof(REPORT_HEADER));
|
|
report_ptr[IDX_HEADER_PAGE] = device_usage[0];
|
|
report_ptr[IDX_HEADER_USAGE] = device_usage[1];
|
|
report_ptr += sizeof(REPORT_HEADER);
|
|
if (abs_count)
|
|
{
|
|
for (i = 1; i < TOP_ABS_PAGE; i++)
|
|
{
|
|
if (abs_pages[i][0])
|
|
{
|
|
BYTE usages[HID_ABS_MAX];
|
|
int j;
|
|
for (j = 0; j < abs_pages[i][0]; j++)
|
|
usages[j] = ABS_TO_HID_MAP[abs_pages[i][j+1]][1];
|
|
report_ptr = add_axis_block(report_ptr, abs_pages[i][0], i, usages, TRUE, &ext->abs_map[abs_pages[i][1]]);
|
|
}
|
|
}
|
|
}
|
|
if (rel_count)
|
|
{
|
|
for (i = 1; i < TOP_REL_PAGE; i++)
|
|
{
|
|
if (rel_pages[i][0])
|
|
{
|
|
BYTE usages[HID_REL_MAX];
|
|
int j;
|
|
for (j = 0; j < rel_pages[i][0]; j++)
|
|
usages[j] = REL_TO_HID_MAP[rel_pages[i][j+1]][1];
|
|
report_ptr = add_axis_block(report_ptr, rel_pages[i][0], i, usages, FALSE, NULL);
|
|
}
|
|
}
|
|
}
|
|
if (button_count)
|
|
{
|
|
report_ptr = add_button_block(report_ptr, 1, button_count);
|
|
if (button_count % 8)
|
|
{
|
|
BYTE padding = 8 - (button_count % 8);
|
|
report_ptr = add_padding_block(report_ptr, padding);
|
|
}
|
|
}
|
|
if (hat_count)
|
|
report_ptr = add_hatswitch(report_ptr, hat_count);
|
|
|
|
memcpy(report_ptr, REPORT_TAIL, sizeof(REPORT_TAIL));
|
|
|
|
ext->report_descriptor_size = descript_size;
|
|
ext->buffer_length = report_size;
|
|
ext->current_report_buffer = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, report_size);
|
|
if (ext->current_report_buffer == NULL)
|
|
{
|
|
ERR("Failed to alloc report buffer\n");
|
|
HeapFree(GetProcessHeap(), 0, ext->report_descriptor);
|
|
return FALSE;
|
|
}
|
|
ext->last_report_buffer = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, report_size);
|
|
if (ext->last_report_buffer == NULL)
|
|
{
|
|
ERR("Failed to alloc report buffer\n");
|
|
HeapFree(GetProcessHeap(), 0, ext->report_descriptor);
|
|
HeapFree(GetProcessHeap(), 0, ext->current_report_buffer);
|
|
return FALSE;
|
|
}
|
|
ext->report_state = FIRST;
|
|
|
|
/* Initialize axis in the report */
|
|
for (i = 0; i < HID_ABS_MAX; i++)
|
|
if (test_bit(absbits, i))
|
|
set_abs_axis_value(ext, i, ext->abs_map[i].info.value);
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static BOOL set_report_from_event(struct wine_input_private *ext, struct input_event *ie)
|
|
{
|
|
switch(ie->type)
|
|
{
|
|
#ifdef EV_SYN
|
|
case EV_SYN:
|
|
switch (ie->code)
|
|
{
|
|
case SYN_REPORT:
|
|
if (ext->report_state == NORMAL)
|
|
{
|
|
memcpy(ext->last_report_buffer, ext->current_report_buffer, ext->buffer_length);
|
|
return TRUE;
|
|
}
|
|
else
|
|
{
|
|
if (ext->report_state == DROPPED)
|
|
memcpy(ext->current_report_buffer, ext->last_report_buffer, ext->buffer_length);
|
|
ext->report_state = NORMAL;
|
|
}
|
|
break;
|
|
case SYN_DROPPED:
|
|
TRACE_(hid_report)("received SY_DROPPED\n");
|
|
ext->report_state = DROPPED;
|
|
}
|
|
return FALSE;
|
|
#endif
|
|
#ifdef EV_MSC
|
|
case EV_MSC:
|
|
return FALSE;
|
|
#endif
|
|
case EV_KEY:
|
|
set_button_value(ext->button_start + ext->button_map[ie->code], ie->value, ext->current_report_buffer);
|
|
return FALSE;
|
|
case EV_ABS:
|
|
set_abs_axis_value(ext, ie->code, ie->value);
|
|
return FALSE;
|
|
case EV_REL:
|
|
set_rel_axis_value(ext, ie->code, ie->value);
|
|
return FALSE;
|
|
default:
|
|
ERR("TODO: Process Report (%i, %i)\n",ie->type, ie->code);
|
|
return FALSE;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
static inline WCHAR *strdupAtoW(const char *src)
|
|
{
|
|
WCHAR *dst;
|
|
DWORD len;
|
|
if (!src) return NULL;
|
|
len = MultiByteToWideChar(CP_UNIXCP, 0, src, -1, NULL, 0);
|
|
if ((dst = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR))))
|
|
MultiByteToWideChar(CP_UNIXCP, 0, src, -1, dst, len);
|
|
return dst;
|
|
}
|
|
|
|
static WCHAR *get_sysattr_string(struct udev_device *dev, const char *sysattr)
|
|
{
|
|
const char *attr = udev_device_get_sysattr_value(dev, sysattr);
|
|
if (!attr)
|
|
{
|
|
WARN("Could not get %s from device\n", sysattr);
|
|
return NULL;
|
|
}
|
|
return strdupAtoW(attr);
|
|
}
|
|
|
|
static int compare_platform_device(DEVICE_OBJECT *device, void *platform_dev)
|
|
{
|
|
struct udev_device *dev1 = impl_from_DEVICE_OBJECT(device)->udev_device;
|
|
struct udev_device *dev2 = platform_dev;
|
|
return strcmp(udev_device_get_syspath(dev1), udev_device_get_syspath(dev2));
|
|
}
|
|
|
|
static NTSTATUS hidraw_get_reportdescriptor(DEVICE_OBJECT *device, BYTE *buffer, DWORD length, DWORD *out_length)
|
|
{
|
|
#ifdef HAVE_LINUX_HIDRAW_H
|
|
struct hidraw_report_descriptor descriptor;
|
|
struct platform_private *private = impl_from_DEVICE_OBJECT(device);
|
|
|
|
if (ioctl(private->device_fd, HIDIOCGRDESCSIZE, &descriptor.size) == -1)
|
|
{
|
|
WARN("ioctl(HIDIOCGRDESCSIZE) failed: %d %s\n", errno, strerror(errno));
|
|
return STATUS_UNSUCCESSFUL;
|
|
}
|
|
|
|
*out_length = descriptor.size;
|
|
|
|
if (length < descriptor.size)
|
|
return STATUS_BUFFER_TOO_SMALL;
|
|
if (!descriptor.size)
|
|
return STATUS_SUCCESS;
|
|
|
|
if (ioctl(private->device_fd, HIDIOCGRDESC, &descriptor) == -1)
|
|
{
|
|
WARN("ioctl(HIDIOCGRDESC) failed: %d %s\n", errno, strerror(errno));
|
|
return STATUS_UNSUCCESSFUL;
|
|
}
|
|
|
|
memcpy(buffer, descriptor.value, descriptor.size);
|
|
return STATUS_SUCCESS;
|
|
#else
|
|
return STATUS_NOT_IMPLEMENTED;
|
|
#endif
|
|
}
|
|
|
|
static NTSTATUS hidraw_get_string(DEVICE_OBJECT *device, DWORD index, WCHAR *buffer, DWORD length)
|
|
{
|
|
struct udev_device *usbdev;
|
|
struct platform_private *private = impl_from_DEVICE_OBJECT(device);
|
|
WCHAR *str = NULL;
|
|
|
|
usbdev = udev_device_get_parent_with_subsystem_devtype(private->udev_device, "usb", "usb_device");
|
|
if (usbdev)
|
|
{
|
|
switch (index)
|
|
{
|
|
case HID_STRING_ID_IPRODUCT:
|
|
str = get_sysattr_string(usbdev, "product");
|
|
break;
|
|
case HID_STRING_ID_IMANUFACTURER:
|
|
str = get_sysattr_string(usbdev, "manufacturer");
|
|
break;
|
|
case HID_STRING_ID_ISERIALNUMBER:
|
|
str = get_sysattr_string(usbdev, "serial");
|
|
break;
|
|
default:
|
|
ERR("Unhandled string index %08x\n", index);
|
|
return STATUS_NOT_IMPLEMENTED;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
#ifdef HAVE_LINUX_HIDRAW_H
|
|
switch (index)
|
|
{
|
|
case HID_STRING_ID_IPRODUCT:
|
|
{
|
|
char buf[MAX_PATH];
|
|
if (ioctl(private->device_fd, HIDIOCGRAWNAME(MAX_PATH), buf) == -1)
|
|
WARN("ioctl(HIDIOCGRAWNAME) failed: %d %s\n", errno, strerror(errno));
|
|
else
|
|
str = strdupAtoW(buf);
|
|
break;
|
|
}
|
|
case HID_STRING_ID_IMANUFACTURER:
|
|
break;
|
|
case HID_STRING_ID_ISERIALNUMBER:
|
|
break;
|
|
default:
|
|
ERR("Unhandled string index %08x\n", index);
|
|
return STATUS_NOT_IMPLEMENTED;
|
|
}
|
|
#else
|
|
return STATUS_NOT_IMPLEMENTED;
|
|
#endif
|
|
}
|
|
|
|
if (!str)
|
|
{
|
|
if (!length) return STATUS_BUFFER_TOO_SMALL;
|
|
buffer[0] = 0;
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
if (length <= strlenW(str))
|
|
{
|
|
HeapFree(GetProcessHeap(), 0, str);
|
|
return STATUS_BUFFER_TOO_SMALL;
|
|
}
|
|
|
|
strcpyW(buffer, str);
|
|
HeapFree(GetProcessHeap(), 0, str);
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
static DWORD CALLBACK device_report_thread(void *args)
|
|
{
|
|
DEVICE_OBJECT *device = (DEVICE_OBJECT*)args;
|
|
struct platform_private *private = impl_from_DEVICE_OBJECT(device);
|
|
struct pollfd plfds[2];
|
|
|
|
plfds[0].fd = private->device_fd;
|
|
plfds[0].events = POLLIN;
|
|
plfds[0].revents = 0;
|
|
plfds[1].fd = private->control_pipe[0];
|
|
plfds[1].events = POLLIN;
|
|
plfds[1].revents = 0;
|
|
|
|
while (1)
|
|
{
|
|
int size;
|
|
BYTE report_buffer[1024];
|
|
|
|
if (poll(plfds, 2, -1) <= 0) continue;
|
|
if (plfds[1].revents)
|
|
break;
|
|
size = read(plfds[0].fd, report_buffer, sizeof(report_buffer));
|
|
if (size == -1)
|
|
TRACE_(hid_report)("Read failed. Likely an unplugged device %d %s\n", errno, strerror(errno));
|
|
else if (size == 0)
|
|
TRACE_(hid_report)("Failed to read report\n");
|
|
else
|
|
process_hid_report(device, report_buffer, size);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static NTSTATUS begin_report_processing(DEVICE_OBJECT *device)
|
|
{
|
|
struct platform_private *private = impl_from_DEVICE_OBJECT(device);
|
|
|
|
if (private->report_thread)
|
|
return STATUS_SUCCESS;
|
|
|
|
if (pipe(private->control_pipe) != 0)
|
|
{
|
|
ERR("Control pipe creation failed\n");
|
|
return STATUS_UNSUCCESSFUL;
|
|
}
|
|
|
|
private->report_thread = CreateThread(NULL, 0, device_report_thread, device, 0, NULL);
|
|
if (!private->report_thread)
|
|
{
|
|
ERR("Unable to create device report thread\n");
|
|
close(private->control_pipe[0]);
|
|
close(private->control_pipe[1]);
|
|
return STATUS_UNSUCCESSFUL;
|
|
}
|
|
else
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
static NTSTATUS hidraw_set_output_report(DEVICE_OBJECT *device, UCHAR id, BYTE *report, DWORD length, ULONG_PTR *written)
|
|
{
|
|
struct platform_private* ext = impl_from_DEVICE_OBJECT(device);
|
|
int rc;
|
|
|
|
if (id != 0)
|
|
rc = write(ext->device_fd, report, length);
|
|
else
|
|
{
|
|
BYTE report_buffer[1024];
|
|
|
|
if (length + 1 > sizeof(report_buffer))
|
|
{
|
|
ERR("Output report buffer too small\n");
|
|
return STATUS_UNSUCCESSFUL;
|
|
}
|
|
|
|
report_buffer[0] = 0;
|
|
memcpy(&report_buffer[1], report, length);
|
|
rc = write(ext->device_fd, report_buffer, length + 1);
|
|
}
|
|
if (rc > 0)
|
|
{
|
|
*written = rc;
|
|
return STATUS_SUCCESS;
|
|
}
|
|
else
|
|
{
|
|
TRACE("write failed: %d %d %s\n", rc, errno, strerror(errno));
|
|
*written = 0;
|
|
return STATUS_UNSUCCESSFUL;
|
|
}
|
|
}
|
|
|
|
static NTSTATUS hidraw_get_feature_report(DEVICE_OBJECT *device, UCHAR id, BYTE *report, DWORD length, ULONG_PTR *read)
|
|
{
|
|
#if defined(HAVE_LINUX_HIDRAW_H) && defined(HIDIOCGFEATURE)
|
|
int rc;
|
|
struct platform_private* ext = impl_from_DEVICE_OBJECT(device);
|
|
report[0] = id;
|
|
length = min(length, 0x1fff);
|
|
rc = ioctl(ext->device_fd, HIDIOCGFEATURE(length), report);
|
|
if (rc >= 0)
|
|
{
|
|
*read = rc;
|
|
return STATUS_SUCCESS;
|
|
}
|
|
else
|
|
{
|
|
TRACE_(hid_report)("ioctl(HIDIOCGFEATURE(%d)) failed: %d %s\n", length, errno, strerror(errno));
|
|
*read = 0;
|
|
return STATUS_UNSUCCESSFUL;
|
|
}
|
|
#else
|
|
*read = 0;
|
|
return STATUS_NOT_IMPLEMENTED;
|
|
#endif
|
|
}
|
|
|
|
static NTSTATUS hidraw_set_feature_report(DEVICE_OBJECT *device, UCHAR id, BYTE *report, DWORD length, ULONG_PTR *written)
|
|
{
|
|
#if defined(HAVE_LINUX_HIDRAW_H) && defined(HIDIOCSFEATURE)
|
|
int rc;
|
|
struct platform_private* ext = impl_from_DEVICE_OBJECT(device);
|
|
BYTE *feature_buffer;
|
|
BYTE buffer[1024];
|
|
|
|
if (id == 0)
|
|
{
|
|
if (length + 1 > sizeof(buffer))
|
|
{
|
|
ERR("Output feature buffer too small\n");
|
|
return STATUS_UNSUCCESSFUL;
|
|
}
|
|
buffer[0] = 0;
|
|
memcpy(&buffer[1], report, length);
|
|
feature_buffer = buffer;
|
|
length = length + 1;
|
|
}
|
|
else
|
|
feature_buffer = report;
|
|
length = min(length, 0x1fff);
|
|
rc = ioctl(ext->device_fd, HIDIOCSFEATURE(length), feature_buffer);
|
|
if (rc >= 0)
|
|
{
|
|
*written = rc;
|
|
return STATUS_SUCCESS;
|
|
}
|
|
else
|
|
{
|
|
TRACE_(hid_report)("ioctl(HIDIOCSFEATURE(%d)) failed: %d %s\n", length, errno, strerror(errno));
|
|
*written = 0;
|
|
return STATUS_UNSUCCESSFUL;
|
|
}
|
|
#else
|
|
*written = 0;
|
|
return STATUS_NOT_IMPLEMENTED;
|
|
#endif
|
|
}
|
|
|
|
static const platform_vtbl hidraw_vtbl =
|
|
{
|
|
compare_platform_device,
|
|
hidraw_get_reportdescriptor,
|
|
hidraw_get_string,
|
|
begin_report_processing,
|
|
hidraw_set_output_report,
|
|
hidraw_get_feature_report,
|
|
hidraw_set_feature_report,
|
|
};
|
|
|
|
#ifdef HAS_PROPER_INPUT_HEADER
|
|
|
|
static inline struct wine_input_private *input_impl_from_DEVICE_OBJECT(DEVICE_OBJECT *device)
|
|
{
|
|
return (struct wine_input_private*)get_platform_private(device);
|
|
}
|
|
|
|
static NTSTATUS lnxev_get_reportdescriptor(DEVICE_OBJECT *device, BYTE *buffer, DWORD length, DWORD *out_length)
|
|
{
|
|
struct wine_input_private *ext = input_impl_from_DEVICE_OBJECT(device);
|
|
|
|
*out_length = ext->report_descriptor_size;
|
|
|
|
if (length < ext->report_descriptor_size)
|
|
return STATUS_BUFFER_TOO_SMALL;
|
|
|
|
memcpy(buffer, ext->report_descriptor, ext->report_descriptor_size);
|
|
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
static NTSTATUS lnxev_get_string(DEVICE_OBJECT *device, DWORD index, WCHAR *buffer, DWORD length)
|
|
{
|
|
struct wine_input_private *ext = input_impl_from_DEVICE_OBJECT(device);
|
|
char str[255];
|
|
|
|
str[0] = 0;
|
|
switch (index)
|
|
{
|
|
case HID_STRING_ID_IPRODUCT:
|
|
ioctl(ext->base.device_fd, EVIOCGNAME(sizeof(str)), str);
|
|
break;
|
|
case HID_STRING_ID_IMANUFACTURER:
|
|
strcpy(str,"evdev");
|
|
break;
|
|
case HID_STRING_ID_ISERIALNUMBER:
|
|
ioctl(ext->base.device_fd, EVIOCGUNIQ(sizeof(str)), str);
|
|
break;
|
|
default:
|
|
ERR("Unhandled string index %i\n", index);
|
|
}
|
|
|
|
MultiByteToWideChar(CP_ACP, 0, str, -1, buffer, length);
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
static DWORD CALLBACK lnxev_device_report_thread(void *args)
|
|
{
|
|
DEVICE_OBJECT *device = (DEVICE_OBJECT*)args;
|
|
struct wine_input_private *private = input_impl_from_DEVICE_OBJECT(device);
|
|
struct pollfd plfds[2];
|
|
|
|
plfds[0].fd = private->base.device_fd;
|
|
plfds[0].events = POLLIN;
|
|
plfds[0].revents = 0;
|
|
plfds[1].fd = private->base.control_pipe[0];
|
|
plfds[1].events = POLLIN;
|
|
plfds[1].revents = 0;
|
|
|
|
while (1)
|
|
{
|
|
int size;
|
|
struct input_event ie;
|
|
|
|
if (poll(plfds, 2, -1) <= 0) continue;
|
|
if (plfds[1].revents || !private->current_report_buffer || private->buffer_length == 0)
|
|
break;
|
|
size = read(plfds[0].fd, &ie, sizeof(ie));
|
|
if (size == -1)
|
|
TRACE_(hid_report)("Read failed. Likely an unplugged device\n");
|
|
else if (size == 0)
|
|
TRACE_(hid_report)("Failed to read report\n");
|
|
else if (set_report_from_event(private, &ie))
|
|
process_hid_report(device, private->current_report_buffer, private->buffer_length);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static NTSTATUS lnxev_begin_report_processing(DEVICE_OBJECT *device)
|
|
{
|
|
struct wine_input_private *private = input_impl_from_DEVICE_OBJECT(device);
|
|
|
|
if (private->base.report_thread)
|
|
return STATUS_SUCCESS;
|
|
|
|
if (pipe(private->base.control_pipe) != 0)
|
|
{
|
|
ERR("Control pipe creation failed\n");
|
|
return STATUS_UNSUCCESSFUL;
|
|
}
|
|
|
|
private->base.report_thread = CreateThread(NULL, 0, lnxev_device_report_thread, device, 0, NULL);
|
|
if (!private->base.report_thread)
|
|
{
|
|
ERR("Unable to create device report thread\n");
|
|
close(private->base.control_pipe[0]);
|
|
close(private->base.control_pipe[1]);
|
|
return STATUS_UNSUCCESSFUL;
|
|
}
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
static NTSTATUS lnxev_set_output_report(DEVICE_OBJECT *device, UCHAR id, BYTE *report, DWORD length, ULONG_PTR *written)
|
|
{
|
|
*written = 0;
|
|
return STATUS_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
static NTSTATUS lnxev_get_feature_report(DEVICE_OBJECT *device, UCHAR id, BYTE *report, DWORD length, ULONG_PTR *read)
|
|
{
|
|
*read = 0;
|
|
return STATUS_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
static NTSTATUS lnxev_set_feature_report(DEVICE_OBJECT *device, UCHAR id, BYTE *report, DWORD length, ULONG_PTR *written)
|
|
{
|
|
*written = 0;
|
|
return STATUS_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
static const platform_vtbl lnxev_vtbl = {
|
|
compare_platform_device,
|
|
lnxev_get_reportdescriptor,
|
|
lnxev_get_string,
|
|
lnxev_begin_report_processing,
|
|
lnxev_set_output_report,
|
|
lnxev_get_feature_report,
|
|
lnxev_set_feature_report,
|
|
};
|
|
#endif
|
|
|
|
static int check_same_device(DEVICE_OBJECT *device, void* context)
|
|
{
|
|
return !compare_platform_device(device, context);
|
|
}
|
|
|
|
static int parse_uevent_info(const char *uevent, DWORD *vendor_id,
|
|
DWORD *product_id, WCHAR **serial_number)
|
|
{
|
|
DWORD bus_type;
|
|
char *tmp;
|
|
char *saveptr = NULL;
|
|
char *line;
|
|
char *key;
|
|
char *value;
|
|
|
|
int found_id = 0;
|
|
int found_serial = 0;
|
|
|
|
tmp = heap_alloc(strlen(uevent) + 1);
|
|
strcpy(tmp, uevent);
|
|
line = strtok_r(tmp, "\n", &saveptr);
|
|
while (line != NULL)
|
|
{
|
|
/* line: "KEY=value" */
|
|
key = line;
|
|
value = strchr(line, '=');
|
|
if (!value)
|
|
{
|
|
goto next_line;
|
|
}
|
|
*value = '\0';
|
|
value++;
|
|
|
|
if (strcmp(key, "HID_ID") == 0)
|
|
{
|
|
/**
|
|
* type vendor product
|
|
* HID_ID=0003:000005AC:00008242
|
|
**/
|
|
int ret = sscanf(value, "%x:%x:%x", &bus_type, vendor_id, product_id);
|
|
if (ret == 3)
|
|
found_id = 1;
|
|
}
|
|
else if (strcmp(key, "HID_UNIQ") == 0)
|
|
{
|
|
/* The caller has to free the serial number */
|
|
if (*value)
|
|
{
|
|
*serial_number = strdupAtoW(value);
|
|
found_serial = 1;
|
|
}
|
|
}
|
|
|
|
next_line:
|
|
line = strtok_r(NULL, "\n", &saveptr);
|
|
}
|
|
|
|
heap_free(tmp);
|
|
return (found_id && found_serial);
|
|
}
|
|
|
|
static void try_add_device(struct udev_device *dev)
|
|
{
|
|
DWORD vid = 0, pid = 0, version = 0;
|
|
struct udev_device *hiddev = NULL;
|
|
DEVICE_OBJECT *device = NULL;
|
|
const char *subsystem;
|
|
const char *devnode;
|
|
WCHAR *serial = NULL;
|
|
BOOL is_gamepad = FALSE;
|
|
int fd;
|
|
static const CHAR *base_serial = "0000";
|
|
|
|
if (!(devnode = udev_device_get_devnode(dev)))
|
|
return;
|
|
|
|
if ((fd = open(devnode, O_RDWR)) == -1)
|
|
{
|
|
WARN("Unable to open udev device %s: %s\n", debugstr_a(devnode), strerror(errno));
|
|
return;
|
|
}
|
|
|
|
subsystem = udev_device_get_subsystem(dev);
|
|
hiddev = udev_device_get_parent_with_subsystem_devtype(dev, "hid", NULL);
|
|
if (hiddev)
|
|
{
|
|
#ifdef HAS_PROPER_INPUT_HEADER
|
|
const platform_vtbl *other_vtbl = NULL;
|
|
DEVICE_OBJECT *dup = NULL;
|
|
if (strcmp(subsystem, "hidraw") == 0)
|
|
other_vtbl = &lnxev_vtbl;
|
|
else if (strcmp(subsystem, "input") == 0)
|
|
other_vtbl = &hidraw_vtbl;
|
|
|
|
if (other_vtbl)
|
|
dup = bus_enumerate_hid_devices(other_vtbl, check_same_device, dev);
|
|
if (dup)
|
|
{
|
|
TRACE("Duplicate cross bus device (%p) found, not adding the new one\n", dup);
|
|
close(fd);
|
|
return;
|
|
}
|
|
#endif
|
|
parse_uevent_info(udev_device_get_sysattr_value(hiddev, "uevent"),
|
|
&vid, &pid, &serial);
|
|
if (serial == NULL)
|
|
serial = strdupAtoW(base_serial);
|
|
}
|
|
#ifdef HAS_PROPER_INPUT_HEADER
|
|
else
|
|
{
|
|
struct input_id device_id = {0};
|
|
char device_uid[255];
|
|
|
|
if (ioctl(fd, EVIOCGID, &device_id) < 0)
|
|
WARN("ioctl(EVIOCGID) failed: %d %s\n", errno, strerror(errno));
|
|
device_uid[0] = 0;
|
|
if (ioctl(fd, EVIOCGUNIQ(254), device_uid) >= 0 && device_uid[0])
|
|
serial = strdupAtoW(device_uid);
|
|
|
|
vid = device_id.vendor;
|
|
pid = device_id.product;
|
|
version = device_id.version;
|
|
}
|
|
#else
|
|
else
|
|
WARN("Could not get device to query VID, PID, Version and Serial\n");
|
|
#endif
|
|
|
|
if (is_xbox_gamepad(vid, pid))
|
|
is_gamepad = TRUE;
|
|
#ifdef HAS_PROPER_INPUT_HEADER
|
|
else
|
|
{
|
|
int axes=0, buttons=0;
|
|
axes = count_abs_axis(fd);
|
|
buttons = count_buttons(fd, NULL);
|
|
is_gamepad = (axes == 6 && buttons >= 14);
|
|
}
|
|
#endif
|
|
|
|
|
|
TRACE("Found udev device %s (vid %04x, pid %04x, version %u, serial %s)\n",
|
|
debugstr_a(devnode), vid, pid, version, debugstr_w(serial));
|
|
|
|
if (strcmp(subsystem, "hidraw") == 0)
|
|
{
|
|
device = bus_create_hid_device(udev_driver_obj, hidraw_busidW, vid, pid, version, 0, serial, is_gamepad,
|
|
&GUID_DEVCLASS_HIDRAW, &hidraw_vtbl, sizeof(struct platform_private));
|
|
}
|
|
#ifdef HAS_PROPER_INPUT_HEADER
|
|
else if (strcmp(subsystem, "input") == 0)
|
|
{
|
|
device = bus_create_hid_device(udev_driver_obj, lnxev_busidW, vid, pid, version, 0, serial, is_gamepad,
|
|
&GUID_DEVCLASS_LINUXEVENT, &lnxev_vtbl, sizeof(struct wine_input_private));
|
|
}
|
|
#endif
|
|
|
|
if (device)
|
|
{
|
|
struct platform_private *private = impl_from_DEVICE_OBJECT(device);
|
|
private->udev_device = udev_device_ref(dev);
|
|
private->device_fd = fd;
|
|
#ifdef HAS_PROPER_INPUT_HEADER
|
|
if (strcmp(subsystem, "input") == 0)
|
|
if (!build_report_descriptor((struct wine_input_private*)private, dev))
|
|
{
|
|
ERR("Building report descriptor failed, removing device\n");
|
|
close(fd);
|
|
udev_device_unref(dev);
|
|
bus_remove_hid_device(device);
|
|
HeapFree(GetProcessHeap(), 0, serial);
|
|
return;
|
|
}
|
|
#endif
|
|
IoInvalidateDeviceRelations(device, BusRelations);
|
|
}
|
|
else
|
|
{
|
|
WARN("Ignoring device %s with subsystem %s\n", debugstr_a(devnode), subsystem);
|
|
close(fd);
|
|
}
|
|
|
|
HeapFree(GetProcessHeap(), 0, serial);
|
|
}
|
|
|
|
static void try_remove_device(struct udev_device *dev)
|
|
{
|
|
DEVICE_OBJECT *device = NULL;
|
|
struct platform_private* private;
|
|
#ifdef HAS_PROPER_INPUT_HEADER
|
|
BOOL is_input = FALSE;
|
|
#endif
|
|
|
|
device = bus_find_hid_device(&hidraw_vtbl, dev);
|
|
#ifdef HAS_PROPER_INPUT_HEADER
|
|
if (device == NULL)
|
|
{
|
|
device = bus_find_hid_device(&lnxev_vtbl, dev);
|
|
is_input = TRUE;
|
|
}
|
|
#endif
|
|
if (!device) return;
|
|
|
|
IoInvalidateDeviceRelations(device, RemovalRelations);
|
|
|
|
private = impl_from_DEVICE_OBJECT(device);
|
|
|
|
if (private->report_thread)
|
|
{
|
|
write(private->control_pipe[1], "q", 1);
|
|
WaitForSingleObject(private->report_thread, INFINITE);
|
|
close(private->control_pipe[0]);
|
|
close(private->control_pipe[1]);
|
|
CloseHandle(private->report_thread);
|
|
#ifdef HAS_PROPER_INPUT_HEADER
|
|
if (strcmp(udev_device_get_subsystem(dev), "input") == 0)
|
|
{
|
|
HeapFree(GetProcessHeap(), 0, ((struct wine_input_private*)private)->current_report_buffer);
|
|
HeapFree(GetProcessHeap(), 0, ((struct wine_input_private*)private)->last_report_buffer);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
#ifdef HAS_PROPER_INPUT_HEADER
|
|
if (is_input)
|
|
{
|
|
struct wine_input_private *ext = (struct wine_input_private*)private;
|
|
HeapFree(GetProcessHeap(), 0, ext->report_descriptor);
|
|
}
|
|
#endif
|
|
|
|
dev = private->udev_device;
|
|
close(private->device_fd);
|
|
bus_remove_hid_device(device);
|
|
udev_device_unref(dev);
|
|
}
|
|
|
|
static void build_initial_deviceset(void)
|
|
{
|
|
struct udev_enumerate *enumerate;
|
|
struct udev_list_entry *devices, *dev_list_entry;
|
|
|
|
enumerate = udev_enumerate_new(udev_context);
|
|
if (!enumerate)
|
|
{
|
|
WARN("Unable to create udev enumeration object\n");
|
|
return;
|
|
}
|
|
|
|
if (!disable_hidraw)
|
|
if (udev_enumerate_add_match_subsystem(enumerate, "hidraw") < 0)
|
|
WARN("Failed to add subsystem 'hidraw' to enumeration\n");
|
|
#ifdef HAS_PROPER_INPUT_HEADER
|
|
if (!disable_input)
|
|
{
|
|
if (udev_enumerate_add_match_subsystem(enumerate, "input") < 0)
|
|
WARN("Failed to add subsystem 'input' to enumeration\n");
|
|
}
|
|
#endif
|
|
|
|
if (udev_enumerate_scan_devices(enumerate) < 0)
|
|
WARN("Enumeration scan failed\n");
|
|
|
|
devices = udev_enumerate_get_list_entry(enumerate);
|
|
udev_list_entry_foreach(dev_list_entry, devices)
|
|
{
|
|
struct udev_device *dev;
|
|
const char *path;
|
|
|
|
path = udev_list_entry_get_name(dev_list_entry);
|
|
if ((dev = udev_device_new_from_syspath(udev_context, path)))
|
|
{
|
|
try_add_device(dev);
|
|
udev_device_unref(dev);
|
|
}
|
|
}
|
|
|
|
udev_enumerate_unref(enumerate);
|
|
}
|
|
|
|
static struct udev_monitor *create_monitor(struct pollfd *pfd)
|
|
{
|
|
struct udev_monitor *monitor;
|
|
int systems = 0;
|
|
|
|
monitor = udev_monitor_new_from_netlink(udev_context, "udev");
|
|
if (!monitor)
|
|
{
|
|
WARN("Unable to get udev monitor object\n");
|
|
return NULL;
|
|
}
|
|
|
|
if (!disable_hidraw)
|
|
{
|
|
if (udev_monitor_filter_add_match_subsystem_devtype(monitor, "hidraw", NULL) < 0)
|
|
WARN("Failed to add 'hidraw' subsystem to monitor\n");
|
|
else
|
|
systems++;
|
|
}
|
|
#ifdef HAS_PROPER_INPUT_HEADER
|
|
if (!disable_input)
|
|
{
|
|
if (udev_monitor_filter_add_match_subsystem_devtype(monitor, "input", NULL) < 0)
|
|
WARN("Failed to add 'input' subsystem to monitor\n");
|
|
else
|
|
systems++;
|
|
}
|
|
#endif
|
|
if (systems == 0)
|
|
{
|
|
WARN("No subsystems added to monitor\n");
|
|
goto error;
|
|
}
|
|
|
|
if (udev_monitor_enable_receiving(monitor) < 0)
|
|
goto error;
|
|
|
|
if ((pfd->fd = udev_monitor_get_fd(monitor)) >= 0)
|
|
{
|
|
pfd->events = POLLIN;
|
|
return monitor;
|
|
}
|
|
|
|
error:
|
|
WARN("Failed to start monitoring\n");
|
|
udev_monitor_unref(monitor);
|
|
return NULL;
|
|
}
|
|
|
|
static void process_monitor_event(struct udev_monitor *monitor)
|
|
{
|
|
struct udev_device *dev;
|
|
const char *action;
|
|
|
|
dev = udev_monitor_receive_device(monitor);
|
|
if (!dev)
|
|
{
|
|
FIXME("Failed to get device that has changed\n");
|
|
return;
|
|
}
|
|
|
|
action = udev_device_get_action(dev);
|
|
TRACE("Received action %s for udev device %s\n", debugstr_a(action),
|
|
debugstr_a(udev_device_get_devnode(dev)));
|
|
|
|
if (!action)
|
|
WARN("No action received\n");
|
|
else if (strcmp(action, "add") == 0)
|
|
try_add_device(dev);
|
|
else if (strcmp(action, "remove") == 0)
|
|
try_remove_device(dev);
|
|
else
|
|
WARN("Unhandled action %s\n", debugstr_a(action));
|
|
|
|
udev_device_unref(dev);
|
|
}
|
|
|
|
static DWORD CALLBACK deviceloop_thread(void *args)
|
|
{
|
|
struct udev_monitor *monitor;
|
|
HANDLE init_done = args;
|
|
struct pollfd pfd;
|
|
|
|
monitor = create_monitor(&pfd);
|
|
build_initial_deviceset();
|
|
SetEvent(init_done);
|
|
|
|
while (monitor)
|
|
{
|
|
if (poll(&pfd, 1, -1) <= 0) continue;
|
|
process_monitor_event(monitor);
|
|
}
|
|
|
|
TRACE("Monitor thread exiting\n");
|
|
if (monitor)
|
|
udev_monitor_unref(monitor);
|
|
return 0;
|
|
}
|
|
|
|
void udev_driver_unload( void )
|
|
{
|
|
TRACE("Unload Driver\n");
|
|
}
|
|
|
|
NTSTATUS WINAPI udev_driver_init(DRIVER_OBJECT *driver, UNICODE_STRING *registry_path)
|
|
{
|
|
HANDLE events[2];
|
|
DWORD result;
|
|
static const WCHAR hidraw_disabledW[] = {'D','i','s','a','b','l','e','H','i','d','r','a','w',0};
|
|
static const UNICODE_STRING hidraw_disabled = {sizeof(hidraw_disabledW) - sizeof(WCHAR), sizeof(hidraw_disabledW), (WCHAR*)hidraw_disabledW};
|
|
static const WCHAR input_disabledW[] = {'D','i','s','a','b','l','e','I','n','p','u','t',0};
|
|
static const UNICODE_STRING input_disabled = {sizeof(input_disabledW) - sizeof(WCHAR), sizeof(input_disabledW), (WCHAR*)input_disabledW};
|
|
|
|
TRACE("(%p, %s)\n", driver, debugstr_w(registry_path->Buffer));
|
|
|
|
if (!(udev_context = udev_new()))
|
|
{
|
|
ERR("Can't create udev object\n");
|
|
return STATUS_UNSUCCESSFUL;
|
|
}
|
|
|
|
udev_driver_obj = driver;
|
|
driver->MajorFunction[IRP_MJ_PNP] = common_pnp_dispatch;
|
|
driver->MajorFunction[IRP_MJ_INTERNAL_DEVICE_CONTROL] = hid_internal_dispatch;
|
|
|
|
disable_hidraw = check_bus_option(registry_path, &hidraw_disabled, 0);
|
|
if (disable_hidraw)
|
|
TRACE("UDEV hidraw devices disabled in registry\n");
|
|
|
|
#ifdef HAS_PROPER_INPUT_HEADER
|
|
disable_input = check_bus_option(registry_path, &input_disabled, 0);
|
|
if (disable_input)
|
|
TRACE("UDEV input devices disabled in registry\n");
|
|
#endif
|
|
|
|
if (!(events[0] = CreateEventW(NULL, TRUE, FALSE, NULL)))
|
|
goto error;
|
|
if (!(events[1] = CreateThread(NULL, 0, deviceloop_thread, events[0], 0, NULL)))
|
|
{
|
|
CloseHandle(events[0]);
|
|
goto error;
|
|
}
|
|
|
|
result = WaitForMultipleObjects(2, events, FALSE, INFINITE);
|
|
CloseHandle(events[0]);
|
|
CloseHandle(events[1]);
|
|
if (result == WAIT_OBJECT_0)
|
|
{
|
|
TRACE("Initialization successful\n");
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
error:
|
|
ERR("Failed to initialize udev device thread\n");
|
|
udev_unref(udev_context);
|
|
udev_context = NULL;
|
|
udev_driver_obj = NULL;
|
|
return STATUS_UNSUCCESSFUL;
|
|
}
|
|
|
|
#else
|
|
|
|
NTSTATUS WINAPI udev_driver_init(DRIVER_OBJECT *driver, UNICODE_STRING *registry_path)
|
|
{
|
|
WARN("Wine was compiled without UDEV support\n");
|
|
return STATUS_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
void udev_driver_unload( void )
|
|
{
|
|
TRACE("Stub: Unload Driver\n");
|
|
}
|
|
|
|
#endif /* HAVE_UDEV */
|