diff options
Diffstat (limited to 'hw/darwin/iokit/xfIOKit.c')
| -rw-r--r-- | hw/darwin/iokit/xfIOKit.c | 770 |
1 files changed, 770 insertions, 0 deletions
diff --git a/hw/darwin/iokit/xfIOKit.c b/hw/darwin/iokit/xfIOKit.c new file mode 100644 index 000000000..6b4bd75c2 --- /dev/null +++ b/hw/darwin/iokit/xfIOKit.c @@ -0,0 +1,770 @@ +/************************************************************** + * + * IOKit support for the Darwin X Server + * + * HISTORY: + * Original port to Mac OS X Server by John Carmack + * Port to Darwin 1.0 by Dave Zarzycki + * Significantly rewritten for XFree86 4.0.1 by Torrey Lyons + * + **************************************************************/ +/* + * Copyright (c) 2001-2002 Torrey T. Lyons. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE ABOVE LISTED COPYRIGHT HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Except as contained in this notice, the name(s) of the above copyright + * holders shall not be used in advertising or otherwise to promote the sale, + * use or other dealings in this Software without prior written authorization. + */ +/* $XFree86: xc/programs/Xserver/hw/darwin/iokit/xfIOKit.c,v 1.2 2003/10/16 23:50:09 torrey Exp $ */ + +#include "X.h" +#include "Xproto.h" +#include "os.h" +#include "servermd.h" +#include "inputstr.h" +#include "scrnintstr.h" +#include "mi.h" +#include "mibstore.h" +#include "mipointer.h" +#include "micmap.h" +#include "shadow.h" + +#include <sys/types.h> +#include <sys/time.h> +#include <unistd.h> +#include <fcntl.h> +#include <pthread.h> + +#include <mach/mach_interface.h> + +#define NO_CFPLUGIN +#include <IOKit/IOKitLib.h> +#include <IOKit/hidsystem/IOHIDShared.h> +#include <IOKit/graphics/IOGraphicsLib.h> +#include <drivers/event_status_driver.h> + +// Define this to work around bugs in the display drivers for +// older PowerBook G3's. If the X server starts without this +// #define, you don't need it. +#undef OLD_POWERBOOK_G3 + +#include "darwin.h" +#include "xfIOKit.h" + +// Globals +int xfIOKitScreenIndex = 0; +io_connect_t xfIOKitInputConnect = 0; + +static pthread_t inputThread; +static EvGlobals * evg; +static mach_port_t masterPort; +static mach_port_t notificationPort; +static IONotificationPortRef NotificationPortRef; +static mach_port_t pmNotificationPort; +static io_iterator_t fbIter; + + +/* + * XFIOKitStoreColors + * This is a callback from X to change the hardware colormap + * when using PsuedoColor. + */ +static void XFIOKitStoreColors( + ColormapPtr pmap, + int numEntries, + xColorItem *pdefs) +{ + kern_return_t kr; + int i; + IOColorEntry *newColors; + ScreenPtr pScreen = pmap->pScreen; + XFIOKitScreenPtr iokitScreen = XFIOKIT_SCREEN_PRIV(pScreen); + + assert( newColors = (IOColorEntry *) + xalloc( numEntries*sizeof(IOColorEntry) )); + + // Convert xColorItem values to IOColorEntry + // assume the colormap is PsuedoColor + // as we do not support DirectColor + for (i = 0; i < numEntries; i++) { + newColors[i].index = pdefs[i].pixel; + newColors[i].red = pdefs[i].red; + newColors[i].green = pdefs[i].green; + newColors[i].blue = pdefs[i].blue; + } + + kr = IOFBSetCLUT( iokitScreen->fbService, 0, numEntries, + kSetCLUTByValue, newColors ); + kern_assert( kr ); + + xfree( newColors ); +} + + +/* + * DarwinModeBell + * FIXME + */ +void DarwinModeBell( + int loud, + DeviceIntPtr pDevice, + pointer ctrl, + int fbclass) +{ +} + + +/* + * DarwinModeGiveUp + * Closes the connections to IOKit services + */ +void DarwinModeGiveUp( void ) +{ + int i; + + // we must close the HID System first + // because it is a client of the framebuffer + NXCloseEventStatus( darwinParamConnect ); + IOServiceClose( xfIOKitInputConnect ); + for (i = 0; i < screenInfo.numScreens; i++) { + XFIOKitScreenPtr iokitScreen = + XFIOKIT_SCREEN_PRIV(screenInfo.screens[i]); + IOServiceClose( iokitScreen->fbService ); + } +} + + +/* + * ClearEvent + * Clear an event from the HID System event queue + */ +static void ClearEvent(NXEvent * ep) +{ + static NXEvent nullEvent = {NX_NULLEVENT, {0, 0 }, 0, -1, 0 }; + + *ep = nullEvent; + ep->data.compound.subType = ep->data.compound.misc.L[0] = + ep->data.compound.misc.L[1] = 0; +} + + +/* + * XFIOKitHIDThread + * Read the HID System event queue, translate it to an X event, + * and queue it for processing. + */ +static void *XFIOKitHIDThread(void *unused) +{ + for (;;) { + NXEQElement *oldHead; + mach_msg_return_t kr; + mach_msg_empty_rcv_t msg; + + kr = mach_msg((mach_msg_header_t*) &msg, MACH_RCV_MSG, 0, + sizeof(msg), notificationPort, 0, MACH_PORT_NULL); + kern_assert(kr); + + while (evg->LLEHead != evg->LLETail) { + NXEvent ev; + xEvent xe; + + // Extract the next event from the kernel queue + oldHead = (NXEQElement*)&evg->lleq[evg->LLEHead]; + ev_lock(&oldHead->sema); + ev = oldHead->event; + ClearEvent(&oldHead->event); + evg->LLEHead = oldHead->next; + ev_unlock(&oldHead->sema); + + memset(&xe, 0, sizeof(xe)); + + // These fields should be filled in for every event + xe.u.keyButtonPointer.rootX = ev.location.x; + xe.u.keyButtonPointer.rootY = ev.location.y; + xe.u.keyButtonPointer.time = GetTimeInMillis(); + + switch( ev.type ) { + case NX_MOUSEMOVED: + xe.u.u.type = MotionNotify; + break; + + case NX_LMOUSEDOWN: + xe.u.u.type = ButtonPress; + xe.u.u.detail = 1; + break; + + case NX_LMOUSEUP: + xe.u.u.type = ButtonRelease; + xe.u.u.detail = 1; + break; + + // A newer kernel generates multi-button events with + // NX_SYSDEFINED. Button 2 isn't handled correctly by + // older kernels anyway. Just let NX_SYSDEFINED events + // handle these. +#if 0 + case NX_RMOUSEDOWN: + xe.u.u.type = ButtonPress; + xe.u.u.detail = 2; + break; + + case NX_RMOUSEUP: + xe.u.u.type = ButtonRelease; + xe.u.u.detail = 2; + break; +#endif + + case NX_KEYDOWN: + xe.u.u.type = KeyPress; + xe.u.u.detail = ev.data.key.keyCode; + break; + + case NX_KEYUP: + xe.u.u.type = KeyRelease; + xe.u.u.detail = ev.data.key.keyCode; + break; + + case NX_FLAGSCHANGED: + xe.u.u.type = kXDarwinUpdateModifiers; + xe.u.clientMessage.u.l.longs0 = ev.flags; + break; + + case NX_SYSDEFINED: + if (ev.data.compound.subType == 7) { + xe.u.u.type = kXDarwinUpdateButtons; + xe.u.clientMessage.u.l.longs0 = + ev.data.compound.misc.L[0]; + xe.u.clientMessage.u.l.longs1 = + ev.data.compound.misc.L[1]; + } else { + continue; + } + break; + + case NX_SCROLLWHEELMOVED: + xe.u.u.type = kXDarwinScrollWheel; + xe.u.clientMessage.u.s.shorts0 = + ev.data.scrollWheel.deltaAxis1; + break; + + default: + continue; + } + + DarwinEQEnqueue(&xe); + } + } + + return NULL; +} + + +/* + * XFIOKitPMThread + * Handle power state notifications + */ +static void *XFIOKitPMThread(void *arg) +{ + ScreenPtr pScreen = (ScreenPtr)arg; + XFIOKitScreenPtr iokitScreen = XFIOKIT_SCREEN_PRIV(pScreen); + + for (;;) { + mach_msg_return_t kr; + mach_msg_empty_rcv_t msg; + + kr = mach_msg((mach_msg_header_t*) &msg, MACH_RCV_MSG, 0, + sizeof(msg), pmNotificationPort, 0, MACH_PORT_NULL); + kern_assert(kr); + + // display is powering down + if (msg.header.msgh_id == 0) { + IOFBAcknowledgePM( iokitScreen->fbService ); + xf86SetRootClip(pScreen, FALSE); + } + // display just woke up + else if (msg.header.msgh_id == 1) { + xf86SetRootClip(pScreen, TRUE); + } + } + return NULL; +} + + +/* + * SetupFBandHID + * Setup an IOFramebuffer service and connect the HID system to it. + */ +static Bool SetupFBandHID( + int index, + DarwinFramebufferPtr dfb, + XFIOKitScreenPtr iokitScreen) +{ + kern_return_t kr; + io_service_t service; + io_connect_t fbService; + vm_address_t vram; + vm_size_t shmemSize; + int i; + UInt32 numModes; + IODisplayModeInformation modeInfo; + IODisplayModeID displayMode, *allModes; + IOIndex displayDepth; + IOFramebufferInformation fbInfo; + IOPixelInformation pixelInfo; + StdFBShmem_t *cshmem; + + // find and open the IOFrameBuffer service + service = IOIteratorNext(fbIter); + if (service == 0) + return FALSE; + + kr = IOServiceOpen( service, mach_task_self(), + kIOFBServerConnectType, &iokitScreen->fbService ); + IOObjectRelease( service ); + if (kr != KERN_SUCCESS) { + ErrorF("Failed to connect as window server to screen %i.\n", index); + return FALSE; + } + fbService = iokitScreen->fbService; + + // create the slice of shared memory containing cursor state data + kr = IOFBCreateSharedCursor( fbService, + kIOFBCurrentShmemVersion, + 32, 32 ); + if (kr != KERN_SUCCESS) + return FALSE; + + // Register for power management events for the framebuffer's device + kr = IOCreateReceivePort(kOSNotificationMessageID, &pmNotificationPort); + kern_assert(kr); + kr = IOConnectSetNotificationPort( fbService, 0, + pmNotificationPort, 0 ); + if (kr != KERN_SUCCESS) { + ErrorF("Power management registration failed.\n"); + } + + // SET THE SCREEN PARAMETERS + // get the current screen resolution, refresh rate and depth + kr = IOFBGetCurrentDisplayModeAndDepth( fbService, + &displayMode, + &displayDepth ); + if (kr != KERN_SUCCESS) + return FALSE; + + // use the current screen resolution if the user + // only wants to change the refresh rate + if (darwinDesiredRefresh != -1 && darwinDesiredWidth == 0) { + kr = IOFBGetDisplayModeInformation( fbService, + displayMode, + &modeInfo ); + if (kr != KERN_SUCCESS) + return FALSE; + darwinDesiredWidth = modeInfo.nominalWidth; + darwinDesiredHeight = modeInfo.nominalHeight; + } + + // use the current resolution and refresh rate + // if the user doesn't have a preference + if (darwinDesiredWidth == 0) { + + // change the pixel depth if desired + if (darwinDesiredDepth != -1) { + kr = IOFBGetDisplayModeInformation( fbService, + displayMode, + &modeInfo ); + if (kr != KERN_SUCCESS) + return FALSE; + if (modeInfo.maxDepthIndex < darwinDesiredDepth) { + ErrorF("Discarding screen %i:\n", index); + ErrorF("Current screen resolution does not support desired pixel depth.\n"); + return FALSE; + } + + displayDepth = darwinDesiredDepth; + kr = IOFBSetDisplayModeAndDepth( fbService, displayMode, + displayDepth ); + if (kr != KERN_SUCCESS) + return FALSE; + } + + // look for display mode with correct resolution and refresh rate + } else { + + // get an array of all supported display modes + kr = IOFBGetDisplayModeCount( fbService, &numModes ); + if (kr != KERN_SUCCESS) + return FALSE; + assert(allModes = (IODisplayModeID *) + xalloc( numModes * sizeof(IODisplayModeID) )); + kr = IOFBGetDisplayModes( fbService, numModes, allModes ); + if (kr != KERN_SUCCESS) + return FALSE; + + for (i = 0; i < numModes; i++) { + kr = IOFBGetDisplayModeInformation( fbService, allModes[i], + &modeInfo ); + if (kr != KERN_SUCCESS) + return FALSE; + + if (modeInfo.flags & kDisplayModeValidFlag && + modeInfo.nominalWidth == darwinDesiredWidth && + modeInfo.nominalHeight == darwinDesiredHeight) { + + if (darwinDesiredDepth == -1) + darwinDesiredDepth = modeInfo.maxDepthIndex; + if (modeInfo.maxDepthIndex < darwinDesiredDepth) { + ErrorF("Discarding screen %i:\n", index); + ErrorF("Desired screen resolution does not support desired pixel depth.\n"); + return FALSE; + } + + if ((darwinDesiredRefresh == -1 || + (darwinDesiredRefresh << 16) == modeInfo.refreshRate)) { + displayMode = allModes[i]; + displayDepth = darwinDesiredDepth; + kr = IOFBSetDisplayModeAndDepth(fbService, + displayMode, + displayDepth); + if (kr != KERN_SUCCESS) + return FALSE; + break; + } + } + } + + xfree( allModes ); + if (i >= numModes) { + ErrorF("Discarding screen %i:\n", index); + ErrorF("Desired screen resolution or refresh rate is not supported.\n"); + return FALSE; + } + } + + kr = IOFBGetPixelInformation( fbService, displayMode, displayDepth, + kIOFBSystemAperture, &pixelInfo ); + if (kr != KERN_SUCCESS) + return FALSE; + +#ifdef __i386__ + /* x86 in 8bit mode currently needs fixed color map... */ + if( pixelInfo.bitsPerComponent == 8 ) { + pixelInfo.pixelType = kIOFixedCLUTPixels; + } +#endif + +#ifdef OLD_POWERBOOK_G3 + if (pixelInfo.pixelType == kIOCLUTPixels) + pixelInfo.pixelType = kIOFixedCLUTPixels; +#endif + + kr = IOFBGetFramebufferInformationForAperture( fbService, + kIOFBSystemAperture, + &fbInfo ); + if (kr != KERN_SUCCESS) + return FALSE; + + // FIXME: 1x1 IOFramebuffers are sometimes used to indicate video + // outputs without a monitor connected to them. Since IOKit Xinerama + // does not really work, this often causes problems on PowerBooks. + // For now we explicitly check and ignore these screens. + if (fbInfo.activeWidth <= 1 || fbInfo.activeHeight <= 1) { + ErrorF("Discarding screen %i:\n", index); + ErrorF("Invalid width or height.\n"); + return FALSE; + } + + kr = IOConnectMapMemory( fbService, kIOFBCursorMemory, + mach_task_self(), (vm_address_t *) &cshmem, + &shmemSize, kIOMapAnywhere ); + if (kr != KERN_SUCCESS) + return FALSE; + iokitScreen->cursorShmem = cshmem; + + kr = IOConnectMapMemory( fbService, kIOFBSystemAperture, + mach_task_self(), &vram, &shmemSize, + kIOMapAnywhere ); + if (kr != KERN_SUCCESS) + return FALSE; + + iokitScreen->framebuffer = (void*)vram; + dfb->x = cshmem->screenBounds.minx; + dfb->y = cshmem->screenBounds.miny; + dfb->width = fbInfo.activeWidth; + dfb->height = fbInfo.activeHeight; + dfb->pitch = fbInfo.bytesPerRow; + dfb->bitsPerPixel = fbInfo.bitsPerPixel; + dfb->colorBitsPerPixel = pixelInfo.componentCount * + pixelInfo.bitsPerComponent; + dfb->bitsPerComponent = pixelInfo.bitsPerComponent; + + // allocate shadow framebuffer + iokitScreen->shadowPtr = shadowAlloc(dfb->width, dfb->height, + dfb->bitsPerPixel); + dfb->framebuffer = iokitScreen->shadowPtr; + + // Note: Darwin kIORGBDirectPixels = X TrueColor, not DirectColor + if (pixelInfo.pixelType == kIORGBDirectPixels) { + dfb->colorType = TrueColor; + } 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); +} |