771 lines
24 KiB
C
771 lines
24 KiB
C
/**************************************************************
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*
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* IOKit support for the Darwin X Server
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*
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* HISTORY:
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* Original port to Mac OS X Server by John Carmack
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* Port to Darwin 1.0 by Dave Zarzycki
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* Significantly rewritten for XFree86 4.0.1 by Torrey Lyons
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*
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**************************************************************/
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/*
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* Copyright (c) 2001-2004 Torrey T. Lyons. All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE ABOVE LISTED COPYRIGHT HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*
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* Except as contained in this notice, the name(s) of the above copyright
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* holders shall not be used in advertising or otherwise to promote the sale,
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* use or other dealings in this Software without prior written authorization.
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*/
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#include <X11/X.h>
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#include <X11/Xproto.h>
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#include "os.h"
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#include "servermd.h"
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#include "inputstr.h"
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#include "scrnintstr.h"
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#include "mi.h"
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#include "mibstore.h"
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#include "mipointer.h"
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#include "micmap.h"
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#include "shadow.h"
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#include <sys/types.h>
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#include <sys/time.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <pthread.h>
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#include <mach/mach_interface.h>
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#define NO_CFPLUGIN
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#include <IOKit/IOKitLib.h>
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#include <IOKit/hidsystem/IOHIDShared.h>
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#include <IOKit/graphics/IOGraphicsLib.h>
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#include <drivers/event_status_driver.h>
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// Define this to work around bugs in the display drivers for
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// older PowerBook G3's. If the X server starts without this
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// #define, you don't need it.
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#undef OLD_POWERBOOK_G3
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#include "darwin.h"
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#include "xfIOKit.h"
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// Globals
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int xfIOKitScreenIndex = 0;
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io_connect_t xfIOKitInputConnect = 0;
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static pthread_t inputThread;
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static EvGlobals * evg;
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static mach_port_t masterPort;
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static mach_port_t notificationPort;
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static IONotificationPortRef NotificationPortRef;
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static mach_port_t pmNotificationPort;
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static io_iterator_t fbIter;
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/*
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* XFIOKitStoreColors
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* This is a callback from X to change the hardware colormap
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* when using PsuedoColor.
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*/
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static void XFIOKitStoreColors(
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ColormapPtr pmap,
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int numEntries,
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xColorItem *pdefs)
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{
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kern_return_t kr;
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int i;
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IOColorEntry *newColors;
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ScreenPtr pScreen = pmap->pScreen;
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XFIOKitScreenPtr iokitScreen = XFIOKIT_SCREEN_PRIV(pScreen);
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assert( newColors = (IOColorEntry *)
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xalloc( numEntries*sizeof(IOColorEntry) ));
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// Convert xColorItem values to IOColorEntry
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// assume the colormap is PsuedoColor
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// as we do not support DirectColor
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for (i = 0; i < numEntries; i++) {
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newColors[i].index = pdefs[i].pixel;
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newColors[i].red = pdefs[i].red;
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newColors[i].green = pdefs[i].green;
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newColors[i].blue = pdefs[i].blue;
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}
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kr = IOFBSetCLUT( iokitScreen->fbService, 0, numEntries,
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kSetCLUTByValue, newColors );
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kern_assert( kr );
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xfree( newColors );
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}
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/*
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* DarwinModeBell
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* FIXME
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*/
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void DarwinModeBell(
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int loud,
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DeviceIntPtr pDevice,
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pointer ctrl,
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int fbclass)
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{
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}
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/*
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* DarwinModeGiveUp
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* Closes the connections to IOKit services
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*/
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void DarwinModeGiveUp( void )
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{
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int i;
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// we must close the HID System first
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// because it is a client of the framebuffer
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NXCloseEventStatus( darwinParamConnect );
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IOServiceClose( xfIOKitInputConnect );
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for (i = 0; i < screenInfo.numScreens; i++) {
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XFIOKitScreenPtr iokitScreen =
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XFIOKIT_SCREEN_PRIV(screenInfo.screens[i]);
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IOServiceClose( iokitScreen->fbService );
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}
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}
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/*
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* ClearEvent
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* Clear an event from the HID System event queue
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*/
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static void ClearEvent(NXEvent * ep)
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{
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static NXEvent nullEvent = {NX_NULLEVENT, {0, 0 }, 0, -1, 0 };
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*ep = nullEvent;
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ep->data.compound.subType = ep->data.compound.misc.L[0] =
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ep->data.compound.misc.L[1] = 0;
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}
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/*
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* XFIOKitHIDThread
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* Read the HID System event queue, translate it to an X event,
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* and queue it for processing.
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*/
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static void *XFIOKitHIDThread(void *unused)
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{
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for (;;) {
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NXEQElement *oldHead;
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mach_msg_return_t kr;
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mach_msg_empty_rcv_t msg;
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kr = mach_msg((mach_msg_header_t*) &msg, MACH_RCV_MSG, 0,
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sizeof(msg), notificationPort, 0, MACH_PORT_NULL);
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kern_assert(kr);
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while (evg->LLEHead != evg->LLETail) {
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NXEvent ev;
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xEvent xe;
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// Extract the next event from the kernel queue
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oldHead = (NXEQElement*)&evg->lleq[evg->LLEHead];
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ev_lock(&oldHead->sema);
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ev = oldHead->event;
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ClearEvent(&oldHead->event);
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evg->LLEHead = oldHead->next;
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ev_unlock(&oldHead->sema);
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memset(&xe, 0, sizeof(xe));
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// These fields should be filled in for every event
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xe.u.keyButtonPointer.rootX = ev.location.x;
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xe.u.keyButtonPointer.rootY = ev.location.y;
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xe.u.keyButtonPointer.time = GetTimeInMillis();
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switch( ev.type ) {
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case NX_MOUSEMOVED:
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xe.u.u.type = MotionNotify;
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break;
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case NX_LMOUSEDOWN:
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xe.u.u.type = ButtonPress;
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xe.u.u.detail = 1;
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break;
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case NX_LMOUSEUP:
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xe.u.u.type = ButtonRelease;
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xe.u.u.detail = 1;
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break;
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// A newer kernel generates multi-button events with
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// NX_SYSDEFINED. Button 2 isn't handled correctly by
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// older kernels anyway. Just let NX_SYSDEFINED events
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// handle these.
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#if 0
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case NX_RMOUSEDOWN:
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xe.u.u.type = ButtonPress;
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xe.u.u.detail = 2;
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break;
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case NX_RMOUSEUP:
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xe.u.u.type = ButtonRelease;
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xe.u.u.detail = 2;
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break;
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#endif
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case NX_KEYDOWN:
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xe.u.u.type = KeyPress;
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xe.u.u.detail = ev.data.key.keyCode;
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break;
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case NX_KEYUP:
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xe.u.u.type = KeyRelease;
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xe.u.u.detail = ev.data.key.keyCode;
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break;
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case NX_FLAGSCHANGED:
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xe.u.u.type = kXDarwinUpdateModifiers;
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xe.u.clientMessage.u.l.longs0 = ev.flags;
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break;
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case NX_SYSDEFINED:
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if (ev.data.compound.subType == 7) {
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xe.u.u.type = kXDarwinUpdateButtons;
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xe.u.clientMessage.u.l.longs0 =
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ev.data.compound.misc.L[0];
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xe.u.clientMessage.u.l.longs1 =
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ev.data.compound.misc.L[1];
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} else {
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continue;
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}
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break;
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case NX_SCROLLWHEELMOVED:
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xe.u.u.type = kXDarwinScrollWheel;
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xe.u.clientMessage.u.s.shorts0 =
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ev.data.scrollWheel.deltaAxis1;
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break;
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default:
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continue;
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}
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DarwinEQEnqueue(&xe);
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}
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}
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return NULL;
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}
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/*
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* XFIOKitPMThread
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* Handle power state notifications
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*/
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static void *XFIOKitPMThread(void *arg)
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{
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ScreenPtr pScreen = (ScreenPtr)arg;
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XFIOKitScreenPtr iokitScreen = XFIOKIT_SCREEN_PRIV(pScreen);
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for (;;) {
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mach_msg_return_t kr;
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mach_msg_empty_rcv_t msg;
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kr = mach_msg((mach_msg_header_t*) &msg, MACH_RCV_MSG, 0,
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sizeof(msg), pmNotificationPort, 0, MACH_PORT_NULL);
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kern_assert(kr);
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// display is powering down
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if (msg.header.msgh_id == 0) {
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IOFBAcknowledgePM( iokitScreen->fbService );
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xf86SetRootClip(pScreen, FALSE);
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}
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// display just woke up
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else if (msg.header.msgh_id == 1) {
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xf86SetRootClip(pScreen, TRUE);
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}
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}
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return NULL;
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}
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/*
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* SetupFBandHID
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* Setup an IOFramebuffer service and connect the HID system to it.
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*/
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static Bool SetupFBandHID(
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int index,
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DarwinFramebufferPtr dfb,
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XFIOKitScreenPtr iokitScreen)
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{
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kern_return_t kr;
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io_service_t service;
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io_connect_t fbService;
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vm_address_t vram;
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vm_size_t shmemSize;
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int i;
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UInt32 numModes;
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IODisplayModeInformation modeInfo;
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IODisplayModeID displayMode, *allModes;
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IOIndex displayDepth;
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IOFramebufferInformation fbInfo;
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IOPixelInformation pixelInfo;
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StdFBShmem_t *cshmem;
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// find and open the IOFrameBuffer service
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service = IOIteratorNext(fbIter);
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if (service == 0)
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return FALSE;
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kr = IOServiceOpen( service, mach_task_self(),
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kIOFBServerConnectType, &iokitScreen->fbService );
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IOObjectRelease( service );
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if (kr != KERN_SUCCESS) {
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ErrorF("Failed to connect as window server to screen %i.\n", index);
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return FALSE;
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}
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fbService = iokitScreen->fbService;
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// create the slice of shared memory containing cursor state data
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kr = IOFBCreateSharedCursor( fbService,
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kIOFBCurrentShmemVersion,
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32, 32 );
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if (kr != KERN_SUCCESS)
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return FALSE;
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// Register for power management events for the framebuffer's device
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kr = IOCreateReceivePort(kOSNotificationMessageID, &pmNotificationPort);
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kern_assert(kr);
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kr = IOConnectSetNotificationPort( fbService, 0,
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pmNotificationPort, 0 );
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if (kr != KERN_SUCCESS) {
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ErrorF("Power management registration failed.\n");
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}
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// SET THE SCREEN PARAMETERS
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// get the current screen resolution, refresh rate and depth
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kr = IOFBGetCurrentDisplayModeAndDepth( fbService,
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&displayMode,
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&displayDepth );
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if (kr != KERN_SUCCESS)
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return FALSE;
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// use the current screen resolution if the user
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// only wants to change the refresh rate
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if (darwinDesiredRefresh != -1 && darwinDesiredWidth == 0) {
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kr = IOFBGetDisplayModeInformation( fbService,
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displayMode,
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&modeInfo );
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if (kr != KERN_SUCCESS)
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return FALSE;
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darwinDesiredWidth = modeInfo.nominalWidth;
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darwinDesiredHeight = modeInfo.nominalHeight;
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}
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// use the current resolution and refresh rate
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// if the user doesn't have a preference
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if (darwinDesiredWidth == 0) {
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// change the pixel depth if desired
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if (darwinDesiredDepth != -1) {
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kr = IOFBGetDisplayModeInformation( fbService,
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displayMode,
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&modeInfo );
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if (kr != KERN_SUCCESS)
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return FALSE;
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if (modeInfo.maxDepthIndex < darwinDesiredDepth) {
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ErrorF("Discarding screen %i:\n", index);
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ErrorF("Current screen resolution does not support desired pixel depth.\n");
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return FALSE;
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}
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displayDepth = darwinDesiredDepth;
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kr = IOFBSetDisplayModeAndDepth( fbService, displayMode,
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displayDepth );
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if (kr != KERN_SUCCESS)
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return FALSE;
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}
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// look for display mode with correct resolution and refresh rate
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} else {
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// get an array of all supported display modes
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kr = IOFBGetDisplayModeCount( fbService, &numModes );
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if (kr != KERN_SUCCESS)
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return FALSE;
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assert(allModes = (IODisplayModeID *)
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xalloc( numModes * sizeof(IODisplayModeID) ));
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kr = IOFBGetDisplayModes( fbService, numModes, allModes );
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if (kr != KERN_SUCCESS)
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return FALSE;
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for (i = 0; i < numModes; i++) {
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kr = IOFBGetDisplayModeInformation( fbService, allModes[i],
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&modeInfo );
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if (kr != KERN_SUCCESS)
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return FALSE;
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if (modeInfo.flags & kDisplayModeValidFlag &&
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modeInfo.nominalWidth == darwinDesiredWidth &&
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modeInfo.nominalHeight == darwinDesiredHeight) {
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if (darwinDesiredDepth == -1)
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darwinDesiredDepth = modeInfo.maxDepthIndex;
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if (modeInfo.maxDepthIndex < darwinDesiredDepth) {
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ErrorF("Discarding screen %i:\n", index);
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ErrorF("Desired screen resolution does not support desired pixel depth.\n");
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return FALSE;
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}
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if ((darwinDesiredRefresh == -1 ||
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(darwinDesiredRefresh << 16) == modeInfo.refreshRate)) {
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displayMode = allModes[i];
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displayDepth = darwinDesiredDepth;
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kr = IOFBSetDisplayModeAndDepth(fbService,
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displayMode,
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displayDepth);
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if (kr != KERN_SUCCESS)
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return FALSE;
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break;
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}
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}
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}
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xfree( allModes );
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if (i >= numModes) {
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ErrorF("Discarding screen %i:\n", index);
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ErrorF("Desired screen resolution or refresh rate is not supported.\n");
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return FALSE;
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}
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}
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kr = IOFBGetPixelInformation( fbService, displayMode, displayDepth,
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kIOFBSystemAperture, &pixelInfo );
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if (kr != KERN_SUCCESS)
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return FALSE;
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#ifdef __i386__
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/* x86 in 8bit mode currently needs fixed color map... */
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if (pixelInfo.bitsPerComponent == 8 &&
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pixelInfo.componentCount == 1)
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{
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pixelInfo.pixelType = kIOFixedCLUTPixels;
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}
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#endif
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#ifdef OLD_POWERBOOK_G3
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if (pixelInfo.pixelType == kIOCLUTPixels)
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pixelInfo.pixelType = kIOFixedCLUTPixels;
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#endif
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kr = IOFBGetFramebufferInformationForAperture( fbService,
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kIOFBSystemAperture,
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&fbInfo );
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if (kr != KERN_SUCCESS)
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return FALSE;
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// FIXME: 1x1 IOFramebuffers are sometimes used to indicate video
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// outputs without a monitor connected to them. Since IOKit Xinerama
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// does not really work, this often causes problems on PowerBooks.
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// For now we explicitly check and ignore these screens.
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if (fbInfo.activeWidth <= 1 || fbInfo.activeHeight <= 1) {
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ErrorF("Discarding screen %i:\n", index);
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ErrorF("Invalid width or height.\n");
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return FALSE;
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}
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kr = IOConnectMapMemory( fbService, kIOFBCursorMemory,
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mach_task_self(), (vm_address_t *) &cshmem,
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&shmemSize, kIOMapAnywhere );
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if (kr != KERN_SUCCESS)
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return FALSE;
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iokitScreen->cursorShmem = cshmem;
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kr = IOConnectMapMemory( fbService, kIOFBSystemAperture,
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mach_task_self(), &vram, &shmemSize,
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kIOMapAnywhere );
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if (kr != KERN_SUCCESS)
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return FALSE;
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iokitScreen->framebuffer = (void*)vram;
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dfb->x = cshmem->screenBounds.minx;
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dfb->y = cshmem->screenBounds.miny;
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dfb->width = fbInfo.activeWidth;
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dfb->height = fbInfo.activeHeight;
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dfb->pitch = fbInfo.bytesPerRow;
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dfb->bitsPerPixel = fbInfo.bitsPerPixel;
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dfb->colorBitsPerPixel = pixelInfo.componentCount *
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pixelInfo.bitsPerComponent;
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dfb->bitsPerComponent = pixelInfo.bitsPerComponent;
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// allocate shadow framebuffer
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iokitScreen->shadowPtr = xalloc(dfb->pitch * dfb->height);
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dfb->framebuffer = iokitScreen->shadowPtr;
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// Note: Darwin kIORGBDirectPixels = X TrueColor, not DirectColor
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if (pixelInfo.pixelType == kIORGBDirectPixels) {
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dfb->colorType = TrueColor;
|
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} else if (pixelInfo.pixelType == kIOCLUTPixels) {
|
|
dfb->colorType = PseudoColor;
|
|
} else if (pixelInfo.pixelType == kIOFixedCLUTPixels) {
|
|
dfb->colorType = StaticColor;
|
|
}
|
|
|
|
// Inform the HID system that the framebuffer is also connected to it.
|
|
kr = IOConnectAddClient( xfIOKitInputConnect, fbService );
|
|
kern_assert( kr );
|
|
|
|
// We have to have added at least one screen
|
|
// before we can enable the cursor.
|
|
kr = IOHIDSetCursorEnable(xfIOKitInputConnect, TRUE);
|
|
kern_assert( kr );
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/*
|
|
* DarwinModeAddScreen
|
|
* IOKit specific initialization for each screen.
|
|
*/
|
|
Bool DarwinModeAddScreen(
|
|
int index,
|
|
ScreenPtr pScreen)
|
|
{
|
|
DarwinFramebufferPtr dfb = SCREEN_PRIV(pScreen);
|
|
XFIOKitScreenPtr iokitScreen;
|
|
|
|
// allocate space for private per screen storage
|
|
iokitScreen = xalloc(sizeof(XFIOKitScreenRec));
|
|
XFIOKIT_SCREEN_PRIV(pScreen) = iokitScreen;
|
|
|
|
// setup hardware framebuffer
|
|
iokitScreen->fbService = 0;
|
|
if (! SetupFBandHID(index, dfb, iokitScreen)) {
|
|
if (iokitScreen->fbService) {
|
|
IOServiceClose(iokitScreen->fbService);
|
|
}
|
|
return FALSE;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/*
|
|
* XFIOKitShadowUpdate
|
|
* Update the damaged regions of the shadow framebuffer on the screen.
|
|
*/
|
|
static void XFIOKitShadowUpdate(ScreenPtr pScreen,
|
|
shadowBufPtr pBuf)
|
|
{
|
|
DarwinFramebufferPtr dfb = SCREEN_PRIV(pScreen);
|
|
XFIOKitScreenPtr iokitScreen = XFIOKIT_SCREEN_PRIV(pScreen);
|
|
RegionPtr damage = &pBuf->damage;
|
|
int numBox = REGION_NUM_RECTS(damage);
|
|
BoxPtr pBox = REGION_RECTS(damage);
|
|
int pitch = dfb->pitch;
|
|
int bpp = dfb->bitsPerPixel/8;
|
|
|
|
// Loop through all the damaged boxes
|
|
while (numBox--) {
|
|
int width, height, offset;
|
|
unsigned char *src, *dst;
|
|
|
|
width = (pBox->x2 - pBox->x1) * bpp;
|
|
height = pBox->y2 - pBox->y1;
|
|
offset = (pBox->y1 * pitch) + (pBox->x1 * bpp);
|
|
src = iokitScreen->shadowPtr + offset;
|
|
dst = iokitScreen->framebuffer + offset;
|
|
|
|
while (height--) {
|
|
memcpy(dst, src, width);
|
|
dst += pitch;
|
|
src += pitch;
|
|
}
|
|
|
|
// Get the next box
|
|
pBox++;
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
* DarwinModeSetupScreen
|
|
* Finalize IOKit specific initialization of each screen.
|
|
*/
|
|
Bool DarwinModeSetupScreen(
|
|
int index,
|
|
ScreenPtr pScreen)
|
|
{
|
|
DarwinFramebufferPtr dfb = SCREEN_PRIV(pScreen);
|
|
pthread_t pmThread;
|
|
|
|
// initalize cursor support
|
|
if (! XFIOKitInitCursor(pScreen)) {
|
|
return FALSE;
|
|
}
|
|
|
|
// initialize shadow framebuffer support
|
|
if (! shadowInit(pScreen, XFIOKitShadowUpdate, NULL)) {
|
|
ErrorF("Failed to initalize shadow framebuffer for screen %i.\n",
|
|
index);
|
|
return FALSE;
|
|
}
|
|
|
|
// initialize colormap handling as needed
|
|
if (dfb->colorType == PseudoColor) {
|
|
pScreen->StoreColors = XFIOKitStoreColors;
|
|
}
|
|
|
|
// initialize power manager handling
|
|
pthread_create( &pmThread, NULL, XFIOKitPMThread,
|
|
(void *) pScreen );
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/*
|
|
* DarwinModeInitOutput
|
|
* One-time initialization of IOKit output support.
|
|
*/
|
|
void DarwinModeInitOutput(
|
|
int argc,
|
|
char **argv)
|
|
{
|
|
static unsigned long generation = 0;
|
|
kern_return_t kr;
|
|
io_iterator_t iter;
|
|
io_service_t service;
|
|
vm_address_t shmem;
|
|
vm_size_t shmemSize;
|
|
|
|
ErrorF("Display mode: IOKit\n");
|
|
|
|
// Allocate private storage for each screen's IOKit specific info
|
|
if (generation != serverGeneration) {
|
|
xfIOKitScreenIndex = AllocateScreenPrivateIndex();
|
|
generation = serverGeneration;
|
|
}
|
|
|
|
kr = IOMasterPort(bootstrap_port, &masterPort);
|
|
kern_assert( kr );
|
|
|
|
// Find and open the HID System Service
|
|
// Do this now to be sure the Mac OS X window server is not running.
|
|
kr = IOServiceGetMatchingServices( masterPort,
|
|
IOServiceMatching( kIOHIDSystemClass ),
|
|
&iter );
|
|
kern_assert( kr );
|
|
|
|
assert( service = IOIteratorNext( iter ) );
|
|
|
|
kr = IOServiceOpen( service, mach_task_self(), kIOHIDServerConnectType,
|
|
&xfIOKitInputConnect );
|
|
if (kr != KERN_SUCCESS) {
|
|
ErrorF("Failed to connect to the HID System as the window server!\n");
|
|
#ifdef DARWIN_WITH_QUARTZ
|
|
FatalError("Quit the Mac OS X window server or use the -quartz option.\n");
|
|
#else
|
|
FatalError("Make sure you have quit the Mac OS X window server.\n");
|
|
#endif
|
|
}
|
|
|
|
IOObjectRelease( service );
|
|
IOObjectRelease( iter );
|
|
|
|
// Setup the event queue in memory shared by the kernel and X server
|
|
kr = IOHIDCreateSharedMemory( xfIOKitInputConnect,
|
|
kIOHIDCurrentShmemVersion );
|
|
kern_assert( kr );
|
|
|
|
kr = IOConnectMapMemory( xfIOKitInputConnect, kIOHIDGlobalMemory,
|
|
mach_task_self(), &shmem, &shmemSize,
|
|
kIOMapAnywhere );
|
|
kern_assert( kr );
|
|
|
|
evg = (EvGlobals *)(shmem + ((EvOffsets *)shmem)->evGlobalsOffset);
|
|
|
|
assert(sizeof(EvGlobals) == evg->structSize);
|
|
|
|
NotificationPortRef = IONotificationPortCreate( masterPort );
|
|
|
|
notificationPort = IONotificationPortGetMachPort(NotificationPortRef);
|
|
|
|
kr = IOConnectSetNotificationPort( xfIOKitInputConnect,
|
|
kIOHIDEventNotification,
|
|
notificationPort, 0 );
|
|
kern_assert( kr );
|
|
|
|
evg->movedMask |= NX_MOUSEMOVEDMASK;
|
|
|
|
// find number of framebuffers
|
|
kr = IOServiceGetMatchingServices( masterPort,
|
|
IOServiceMatching( IOFRAMEBUFFER_CONFORMSTO ),
|
|
&fbIter );
|
|
kern_assert( kr );
|
|
|
|
darwinScreensFound = 0;
|
|
while ((service = IOIteratorNext(fbIter))) {
|
|
IOObjectRelease( service );
|
|
darwinScreensFound++;
|
|
}
|
|
IOIteratorReset(fbIter);
|
|
}
|
|
|
|
|
|
/*
|
|
* DarwinModeInitInput
|
|
* One-time initialization of IOKit input support.
|
|
*/
|
|
void DarwinModeInitInput(
|
|
int argc,
|
|
char **argv)
|
|
{
|
|
kern_return_t kr;
|
|
int fd[2];
|
|
|
|
kr = IOHIDSetEventsEnable(xfIOKitInputConnect, TRUE);
|
|
kern_assert( kr );
|
|
|
|
// Start event passing thread
|
|
assert( pipe(fd) == 0 );
|
|
darwinEventReadFD = fd[0];
|
|
darwinEventWriteFD = fd[1];
|
|
fcntl(darwinEventReadFD, F_SETFL, O_NONBLOCK);
|
|
pthread_create(&inputThread, NULL,
|
|
XFIOKitHIDThread, NULL);
|
|
|
|
}
|
|
|
|
|
|
/*
|
|
* DarwinModeProcessEvent
|
|
* Process IOKit specific events.
|
|
*/
|
|
void DarwinModeProcessEvent(
|
|
xEvent *xe)
|
|
{
|
|
// No mode specific events
|
|
ErrorF("Unknown X event caught: %d\n", xe->u.u.type);
|
|
}
|