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Diffstat (limited to 'nx-X11/programs/Xserver/hw/xfree86/common/xf86sbusBus.c')
-rw-r--r--nx-X11/programs/Xserver/hw/xfree86/common/xf86sbusBus.c709
1 files changed, 709 insertions, 0 deletions
diff --git a/nx-X11/programs/Xserver/hw/xfree86/common/xf86sbusBus.c b/nx-X11/programs/Xserver/hw/xfree86/common/xf86sbusBus.c
new file mode 100644
index 000000000..3d6576f52
--- /dev/null
+++ b/nx-X11/programs/Xserver/hw/xfree86/common/xf86sbusBus.c
@@ -0,0 +1,709 @@
+/*
+ * SBUS bus-specific code.
+ *
+ * Copyright (C) 2000 Jakub Jelinek (jakub@redhat.com)
+ *
+ * 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
+ * JAKUB JELINEK 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.
+ */
+/* $XFree86: xc/programs/Xserver/hw/xfree86/common/xf86sbusBus.c,v 3.6 2001/03/03 22:16:35 tsi Exp $ */
+
+#ifdef HAVE_XORG_CONFIG_H
+#include <xorg-config.h>
+#endif
+
+#include <ctype.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <X11/X.h>
+#include "os.h"
+#include "xf86.h"
+#include "xf86Priv.h"
+#include "xf86_OSlib.h"
+#include "xf86Resources.h"
+#include "xf86cmap.h"
+
+#include "xf86Bus.h"
+
+#include "xf86sbusBus.h"
+#include "xf86Sbus.h"
+
+Bool sbusSlotClaimed = FALSE;
+
+static int xf86nSbusInfo;
+
+static void
+CheckSbusDevice(const char *device, int fbNum)
+{
+ int fd, i;
+ struct fbgattr fbattr;
+ sbusDevicePtr psdp;
+
+ fd = open(device, O_RDONLY, 0);
+ if (fd < 0)
+ return;
+ memset(&fbattr, 0, sizeof(fbattr));
+ if (ioctl(fd, FBIOGATTR, &fbattr) < 0) {
+ if (ioctl(fd, FBIOGTYPE, &fbattr.fbtype) < 0) {
+ close(fd);
+ return;
+ }
+ }
+ close(fd);
+ for (i = 0; sbusDeviceTable[i].devId; i++)
+ if (sbusDeviceTable[i].fbType == fbattr.fbtype.fb_type)
+ break;
+ if (! sbusDeviceTable[i].devId)
+ return;
+ xf86SbusInfo = xnfrealloc(xf86SbusInfo, sizeof(psdp) * (++xf86nSbusInfo + 1));
+ xf86SbusInfo[xf86nSbusInfo] = NULL;
+ xf86SbusInfo[xf86nSbusInfo - 1] = psdp = xnfcalloc(sizeof (sbusDevice), 1);
+ psdp->devId = sbusDeviceTable[i].devId;
+ psdp->fbNum = fbNum;
+ psdp->device = xnfstrdup(device);
+ psdp->width = fbattr.fbtype.fb_width;
+ psdp->height = fbattr.fbtype.fb_height;
+ psdp->fd = -1;
+}
+
+void
+xf86SbusProbe(void)
+{
+ int i, useProm = 0;
+ char fbDevName[32];
+ sbusDevicePtr psdp, *psdpp;
+
+ xf86SbusInfo = xalloc(sizeof(psdp));
+ *xf86SbusInfo = NULL;
+ for (i = 0; i < 32; i++) {
+ sprintf(fbDevName, "/dev/fb%d", i);
+ CheckSbusDevice(fbDevName, i);
+ }
+ if (sparcPromInit() >= 0) {
+ useProm = 1;
+ sparcPromAssignNodes();
+ }
+ for (psdpp = xf86SbusInfo; (psdp = *psdpp); psdpp++) {
+ for (i = 0; sbusDeviceTable[i].devId; i++)
+ if (sbusDeviceTable[i].devId == psdp->devId)
+ psdp->descr = sbusDeviceTable[i].descr;
+ /*
+ * If we can use PROM information and found the PROM node for this
+ * device, we can tell more about the card.
+ */
+ if (useProm && psdp->node.node) {
+ char *prop, *promPath;
+ int len, chiprev, vmsize;
+
+ switch (psdp->devId) {
+ case SBUS_DEVICE_MGX:
+ prop = sparcPromGetProperty(&psdp->node, "fb_size", &len);
+ if (prop && len == 4 && *(int *)prop == 0x400000)
+ psdp->descr = "Quantum 3D MGXplus with 4M VRAM";
+ break;
+ case SBUS_DEVICE_CG6:
+ chiprev = 0;
+ vmsize = 0;
+ prop = sparcPromGetProperty(&psdp->node, "chiprev", &len);
+ if (prop && len == 4)
+ chiprev = *(int *)prop;
+ prop = sparcPromGetProperty(&psdp->node, "vmsize", &len);
+ if (prop && len == 4)
+ vmsize = *(int *)prop;
+ switch (chiprev) {
+ case 1:
+ case 2:
+ case 3:
+ case 4:
+ psdp->descr = "Sun Double width GX"; break;
+ case 5:
+ case 6:
+ case 7:
+ case 8:
+ case 9:
+ psdp->descr = "Sun Single width GX"; break;
+ case 11:
+ switch (vmsize) {
+ case 2:
+ psdp->descr = "Sun Turbo GX with 1M VSIMM"; break;
+ case 4:
+ psdp->descr = "Sun Turbo GX Plus"; break;
+ default:
+ psdp->descr = "Sun Turbo GX"; break;
+ }
+ }
+ break;
+ case SBUS_DEVICE_CG14:
+ prop = sparcPromGetProperty(&psdp->node, "reg", &len);
+ vmsize = 0;
+ if (prop && !(len % 12) && len > 0)
+ vmsize = *(int *)(prop + len - 4);
+ switch (vmsize) {
+ case 0x400000:
+ psdp->descr = "Sun SX with 4M VSIMM"; break;
+ case 0x800000:
+ psdp->descr = "Sun SX with 8M VSIMM"; break;
+ }
+ break;
+ case SBUS_DEVICE_LEO:
+ prop = sparcPromGetProperty(&psdp->node, "model", &len);
+ if (prop && len > 0 && !strstr(prop, "501-2503"))
+ psdp->descr = "Sun Turbo ZX";
+ break;
+ case SBUS_DEVICE_TCX:
+ if (sparcPromGetBool(&psdp->node, "tcx-8-bit"))
+ psdp->descr = "Sun TCX (8bit)";
+ else
+ psdp->descr = "Sun TCX (S24)";
+ break;
+ case SBUS_DEVICE_FFB:
+ prop = sparcPromGetProperty(&psdp->node, "name", &len);
+ chiprev = 0;
+ prop = sparcPromGetProperty(&psdp->node, "board_type", &len);
+ if (prop && len == 4)
+ chiprev = *(int *)prop;
+ if (strstr (prop, "afb")) {
+ if (chiprev == 3)
+ psdp->descr = "Sun|Elite3D-M6 Horizontal";
+ } else {
+ switch (chiprev) {
+ case 0x08:
+ psdp->descr = "Sun FFB 67MHz Creator"; break;
+ case 0x0b:
+ psdp->descr = "Sun FFB 67MHz Creator 3D"; break;
+ case 0x1b:
+ psdp->descr = "Sun FFB 75MHz Creator 3D"; break;
+ case 0x20:
+ case 0x28:
+ psdp->descr = "Sun FFB2 Vertical Creator"; break;
+ case 0x23:
+ case 0x2b:
+ psdp->descr = "Sun FFB2 Vertical Creator 3D"; break;
+ case 0x30:
+ psdp->descr = "Sun FFB2+ Vertical Creator"; break;
+ case 0x33:
+ psdp->descr = "Sun FFB2+ Vertical Creator 3D"; break;
+ case 0x40:
+ case 0x48:
+ psdp->descr = "Sun FFB2 Horizontal Creator"; break;
+ case 0x43:
+ case 0x4b:
+ psdp->descr = "Sun FFB2 Horizontal Creator 3D"; break;
+ }
+ }
+ break;
+ }
+
+ xf86Msg(X_PROBED, "SBUS:(0x%08x) %s", psdp->node.node, psdp->descr);
+ promPath = sparcPromNode2Pathname (&psdp->node);
+ if (promPath) {
+ xf86ErrorF(" at %s", promPath);
+ xfree(promPath);
+ }
+ } else
+ xf86Msg(X_PROBED, "SBUS: %s", psdp->descr);
+ xf86ErrorF("\n");
+ }
+ if (useProm)
+ sparcPromClose();
+}
+
+/*
+ * Parse a BUS ID string, and return the SBUS bus parameters if it was
+ * in the correct format for a SBUS bus id.
+ */
+
+Bool
+xf86ParseSbusBusString(const char *busID, int *fbNum)
+{
+ /*
+ * The format is assumed to be one of:
+ * "fbN", e.g. "fb1", which means the device corresponding to /dev/fbN
+ * "nameN", e.g. "cgsix0", which means Nth instance of card NAME
+ * "/prompath", e.g. "/sbus@0,10001000/cgsix@3,0" which is PROM pathname
+ * to the device.
+ */
+
+ const char *id;
+ int i, len;
+
+ if (StringToBusType(busID, &id) != BUS_SBUS)
+ return FALSE;
+
+ if (*id != '/') {
+ if (!strncmp (id, "fb", 2)) {
+ if (!isdigit(id[2]))
+ return FALSE;
+ *fbNum = atoi(id + 2);
+ return TRUE;
+ } else {
+ sbusDevicePtr *psdpp;
+ int devId;
+
+ for (i = 0, len = 0; sbusDeviceTable[i].devId; i++) {
+ len = strlen(sbusDeviceTable[i].promName);
+ if (!strncmp (sbusDeviceTable[i].promName, id, len)
+ && isdigit(id[len]))
+ break;
+ }
+ devId = sbusDeviceTable[i].devId;
+ if (!devId) return FALSE;
+ i = atoi(id + len);
+ for (psdpp = xf86SbusInfo; *psdpp; ++psdpp) {
+ if ((*psdpp)->devId != devId)
+ continue;
+ if (!i) {
+ *fbNum = (*psdpp)->fbNum;
+ return TRUE;
+ }
+ i--;
+ }
+ }
+ return FALSE;
+ }
+
+ if (sparcPromInit() >= 0) {
+ i = sparcPromPathname2Node(id);
+ sparcPromClose();
+ if (i) {
+ sbusDevicePtr *psdpp;
+ for (psdpp = xf86SbusInfo; *psdpp; ++psdpp) {
+ if ((*psdpp)->node.node == i) {
+ *fbNum = (*psdpp)->fbNum;
+ return TRUE;
+ }
+ }
+ }
+ }
+ return FALSE;
+}
+
+/*
+ * Compare a BUS ID string with a SBUS bus id. Return TRUE if they match.
+ */
+
+Bool
+xf86CompareSbusBusString(const char *busID, int fbNum)
+{
+ int iFbNum;
+
+ if (xf86ParseSbusBusString(busID, &iFbNum)) {
+ return fbNum == iFbNum;
+ } else {
+ return FALSE;
+ }
+}
+
+/*
+ * Check if the slot requested is free. If it is already in use, return FALSE.
+ */
+
+Bool
+xf86CheckSbusSlot(int fbNum)
+{
+ int i;
+ EntityPtr p;
+
+ for (i = 0; i < xf86NumEntities; i++) {
+ p = xf86Entities[i];
+ /* Check if this SBUS slot is taken */
+ if (p->busType == BUS_SBUS && p->sbusBusId.fbNum == fbNum)
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+/*
+ * If the slot requested is already in use, return -1.
+ * Otherwise, claim the slot for the screen requesting it.
+ */
+
+int
+xf86ClaimSbusSlot(sbusDevicePtr psdp, DriverPtr drvp,
+ GDevPtr dev, Bool active)
+{
+ EntityPtr p = NULL;
+
+ int num;
+
+ if (xf86CheckSbusSlot(psdp->fbNum)) {
+ num = xf86AllocateEntity();
+ p = xf86Entities[num];
+ p->driver = drvp;
+ p->chipset = -1;
+ p->busType = BUS_SBUS;
+ xf86AddDevToEntity(num, dev);
+ p->sbusBusId.fbNum = psdp->fbNum;
+ p->active = active;
+ p->inUse = FALSE;
+ /* Here we initialize the access structure */
+ p->access = xnfcalloc(1,sizeof(EntityAccessRec));
+ p->access->fallback = &AccessNULL;
+ p->access->pAccess = &AccessNULL;
+ sbusSlotClaimed = TRUE;
+ return num;
+ } else
+ return -1;
+}
+
+int
+xf86MatchSbusInstances(const char *driverName, int sbusDevId,
+ GDevPtr *devList, int numDevs, DriverPtr drvp,
+ int **foundEntities)
+{
+ int i,j;
+ sbusDevicePtr psdp, *psdpp;
+ int numClaimedInstances = 0;
+ int allocatedInstances = 0;
+ int numFound = 0;
+ GDevPtr devBus = NULL;
+ GDevPtr dev = NULL;
+ int *retEntities = NULL;
+ int useProm = 0;
+
+ struct Inst {
+ sbusDevicePtr sbus;
+ GDevPtr dev;
+ Bool claimed; /* BusID matches with a device section */
+ } *instances = NULL;
+
+ *foundEntities = NULL;
+ for (psdpp = xf86SbusInfo, psdp = *psdpp; psdp; psdp = *++psdpp) {
+ if (psdp->devId != sbusDevId)
+ continue;
+ if (psdp->fd == -2)
+ continue;
+ ++allocatedInstances;
+ instances = xnfrealloc(instances,
+ allocatedInstances * sizeof(struct Inst));
+ instances[allocatedInstances - 1].sbus = psdp;
+ instances[allocatedInstances - 1].dev = NULL;
+ instances[allocatedInstances - 1].claimed = FALSE;
+ numFound++;
+ }
+
+ /*
+ * This may be debatable, but if no SBUS devices with a matching vendor
+ * type is found, return zero now. It is probably not desirable to
+ * allow the config file to override this.
+ */
+ if (allocatedInstances <= 0) {
+ xfree(instances);
+ return 0;
+ }
+
+ if (xf86DoProbe) {
+ xfree(instances);
+ return numFound;
+ }
+
+ if (sparcPromInit() >= 0)
+ useProm = 1;
+
+ if (xf86DoConfigure && xf86DoConfigurePass1) {
+ GDevPtr pGDev;
+ int actualcards = 0;
+ for (i = 0; i < allocatedInstances; i++) {
+ actualcards++;
+ pGDev = xf86AddBusDeviceToConfigure(drvp->driverName, BUS_SBUS,
+ instances[i].sbus, -1);
+ if (pGDev) {
+ /*
+ * XF86Match???Instances() treat chipID and chipRev as
+ * overrides, so clobber them here.
+ */
+ pGDev->chipID = pGDev->chipRev = -1;
+ }
+ }
+ xfree(instances);
+ if (useProm)
+ sparcPromClose();
+ return actualcards;
+ }
+
+#ifdef DEBUG
+ ErrorF("%s instances found: %d\n", driverName, allocatedInstances);
+#endif
+
+ for (i = 0; i < allocatedInstances; i++) {
+ char *promPath = NULL;
+
+ psdp = instances[i].sbus;
+ devBus = NULL;
+ dev = NULL;
+ if (useProm && psdp->node.node)
+ promPath = sparcPromNode2Pathname(&psdp->node);
+
+ for (j = 0; j < numDevs; j++) {
+ if (devList[j]->busID && *devList[j]->busID) {
+ if (xf86CompareSbusBusString(devList[j]->busID, psdp->fbNum)) {
+ if (devBus)
+ xf86MsgVerb(X_WARNING,0,
+ "%s: More than one matching Device section for "
+ "instance (BusID: %s) found: %s\n",
+ driverName,devList[j]->identifier,
+ devList[j]->busID);
+ else
+ devBus = devList[j];
+ }
+ } else {
+ if (!dev && !devBus) {
+ if (promPath)
+ xf86Msg(X_PROBED, "Assigning device section with no busID to SBUS:%s\n",
+ promPath);
+ else
+ xf86Msg(X_PROBED, "Assigning device section with no busID to SBUS:fb%d\n",
+ psdp->fbNum);
+ dev = devList[j];
+ } else
+ xf86MsgVerb(X_WARNING, 0,
+ "%s: More than one matching Device section "
+ "found: %s\n", driverName, devList[j]->identifier);
+ }
+ }
+ if (devBus) dev = devBus; /* busID preferred */
+ if (!dev && psdp->fd != -2) {
+ if (promPath) {
+ xf86MsgVerb(X_WARNING, 0, "%s: No matching Device section "
+ "for instance (BusID SBUS:%s) found\n",
+ driverName, promPath);
+ } else
+ xf86MsgVerb(X_WARNING, 0, "%s: No matching Device section "
+ "for instance (BusID SBUS:fb%d) found\n",
+ driverName, psdp->fbNum);
+ } else if (dev) {
+ numClaimedInstances++;
+ instances[i].claimed = TRUE;
+ instances[i].dev = dev;
+ }
+ if (promPath)
+ xfree(promPath);
+ }
+
+#ifdef DEBUG
+ ErrorF("%s instances found: %d\n", driverName, numClaimedInstances);
+#endif
+
+ /*
+ * Of the claimed instances, check that another driver hasn't already
+ * claimed its slot.
+ */
+ numFound = 0;
+ for (i = 0; i < allocatedInstances && numClaimedInstances > 0; i++) {
+ if (!instances[i].claimed)
+ continue;
+ psdp = instances[i].sbus;
+ if (!xf86CheckSbusSlot(psdp->fbNum))
+ continue;
+
+#ifdef DEBUG
+ ErrorF("%s: card at fb%d %08x is claimed by a Device section\n",
+ driverName, psdp->fbNum, psdp->node.node);
+#endif
+
+ /* Allocate an entry in the lists to be returned */
+ numFound++;
+ retEntities = xnfrealloc(retEntities, numFound * sizeof(int));
+ retEntities[numFound - 1]
+ = xf86ClaimSbusSlot(psdp, drvp, instances[i].dev,instances[i].dev->active ?
+ TRUE : FALSE);
+ }
+ xfree(instances);
+ if (numFound > 0) {
+ *foundEntities = retEntities;
+ }
+
+ if (useProm)
+ sparcPromClose();
+
+ return numFound;
+}
+
+/*
+ * xf86GetSbusInfoForEntity() -- Get the sbusDevicePtr of entity.
+ */
+sbusDevicePtr
+xf86GetSbusInfoForEntity(int entityIndex)
+{
+ sbusDevicePtr *psdpp;
+ EntityPtr p = xf86Entities[entityIndex];
+
+ if (entityIndex >= xf86NumEntities
+ || p->busType != BUS_SBUS) return NULL;
+
+ for (psdpp = xf86SbusInfo; *psdpp != NULL; psdpp++) {
+ if (p->sbusBusId.fbNum == (*psdpp)->fbNum)
+ return (*psdpp);
+ }
+ return NULL;
+}
+
+int
+xf86GetEntityForSbusInfo(sbusDevicePtr psdp)
+{
+ int i;
+
+ for (i = 0; i < xf86NumEntities; i++) {
+ EntityPtr p = xf86Entities[i];
+ if (p->busType != BUS_SBUS) continue;
+
+ if (p->sbusBusId.fbNum == psdp->fbNum)
+ return i;
+ }
+ return -1;
+}
+
+void
+xf86SbusUseBuiltinMode(ScrnInfoPtr pScrn, sbusDevicePtr psdp)
+{
+ DisplayModePtr mode;
+
+ mode = xnfcalloc(sizeof(DisplayModeRec), 1);
+ mode->name = "current";
+ mode->next = mode;
+ mode->prev = mode;
+ mode->type = M_T_BUILTIN;
+ mode->Clock = 100000000;
+ mode->HDisplay = psdp->width;
+ mode->HSyncStart = psdp->width;
+ mode->HSyncEnd = psdp->width;
+ mode->HTotal = psdp->width;
+ mode->VDisplay = psdp->height;
+ mode->VSyncStart = psdp->height;
+ mode->VSyncEnd = psdp->height;
+ mode->VTotal = psdp->height;
+ mode->SynthClock = mode->Clock;
+ mode->CrtcHDisplay = mode->HDisplay;
+ mode->CrtcHSyncStart = mode->HSyncStart;
+ mode->CrtcHSyncEnd = mode->HSyncEnd;
+ mode->CrtcHTotal = mode->HTotal;
+ mode->CrtcVDisplay = mode->VDisplay;
+ mode->CrtcVSyncStart = mode->VSyncStart;
+ mode->CrtcVSyncEnd = mode->VSyncEnd;
+ mode->CrtcVTotal = mode->VTotal;
+ mode->CrtcHAdjusted = FALSE;
+ mode->CrtcVAdjusted = FALSE;
+ pScrn->modes = mode;
+ pScrn->virtualX = psdp->width;
+ pScrn->virtualY = psdp->height;
+}
+
+static int sbusPaletteIndex = -1;
+static unsigned long sbusPaletteGeneration = 0;
+typedef struct _sbusCmap {
+ sbusDevicePtr psdp;
+ CloseScreenProcPtr CloseScreen;
+ Bool origCmapValid;
+ unsigned char origRed[16];
+ unsigned char origGreen[16];
+ unsigned char origBlue[16];
+} sbusCmapRec, *sbusCmapPtr;
+
+#define SBUSCMAPPTR(pScreen) ((sbusCmapPtr)((pScreen)->devPrivates[sbusPaletteIndex].ptr))
+
+static void
+xf86SbusCmapLoadPalette(ScrnInfoPtr pScrn, int numColors, int *indices,
+ LOCO *colors, VisualPtr pVisual)
+{
+ int i, index;
+ sbusCmapPtr cmap;
+ struct fbcmap fbcmap;
+ unsigned char *data = ALLOCATE_LOCAL(numColors*3);
+
+ cmap = SBUSCMAPPTR(pScrn->pScreen);
+ if (!cmap) return;
+ fbcmap.count = 0;
+ fbcmap.index = indices[0];
+ fbcmap.red = data;
+ fbcmap.green = data + numColors;
+ fbcmap.blue = fbcmap.green + numColors;
+ for (i = 0; i < numColors; i++) {
+ index = indices[i];
+ if (fbcmap.count && index != fbcmap.index + fbcmap.count) {
+ ioctl (cmap->psdp->fd, FBIOPUTCMAP, &fbcmap);
+ fbcmap.count = 0;
+ fbcmap.index = index;
+ }
+ fbcmap.red[fbcmap.count] = colors[index].red;
+ fbcmap.green[fbcmap.count] = colors[index].green;
+ fbcmap.blue[fbcmap.count++] = colors[index].blue;
+ }
+ ioctl (cmap->psdp->fd, FBIOPUTCMAP, &fbcmap);
+ DEALLOCATE_LOCAL(data);
+}
+
+static Bool
+xf86SbusCmapCloseScreen(int i, ScreenPtr pScreen)
+{
+ sbusCmapPtr cmap;
+ struct fbcmap fbcmap;
+
+ cmap = SBUSCMAPPTR(pScreen);
+ if (cmap->origCmapValid) {
+ fbcmap.index = 0;
+ fbcmap.count = 16;
+ fbcmap.red = cmap->origRed;
+ fbcmap.green = cmap->origGreen;
+ fbcmap.blue = cmap->origBlue;
+ ioctl (cmap->psdp->fd, FBIOPUTCMAP, &fbcmap);
+ }
+ pScreen->CloseScreen = cmap->CloseScreen;
+ xfree (cmap);
+ return (*pScreen->CloseScreen) (i, pScreen);
+}
+
+Bool
+xf86SbusHandleColormaps(ScreenPtr pScreen, sbusDevicePtr psdp)
+{
+ sbusCmapPtr cmap;
+ struct fbcmap fbcmap;
+ unsigned char data[2];
+
+ if(sbusPaletteGeneration != serverGeneration) {
+ if((sbusPaletteIndex = AllocateScreenPrivateIndex()) < 0)
+ return FALSE;
+ sbusPaletteGeneration = serverGeneration;
+ }
+ cmap = xnfcalloc(1, sizeof(sbusCmapRec));
+ pScreen->devPrivates[sbusPaletteIndex].ptr = cmap;
+ cmap->psdp = psdp;
+ fbcmap.index = 0;
+ fbcmap.count = 16;
+ fbcmap.red = cmap->origRed;
+ fbcmap.green = cmap->origGreen;
+ fbcmap.blue = cmap->origBlue;
+ if (ioctl (psdp->fd, FBIOGETCMAP, &fbcmap) >= 0)
+ cmap->origCmapValid = TRUE;
+ fbcmap.index = 0;
+ fbcmap.count = 2;
+ fbcmap.red = data;
+ fbcmap.green = data;
+ fbcmap.blue = data;
+ if (pScreen->whitePixel == 0) {
+ data[0] = 255;
+ data[1] = 0;
+ } else {
+ data[0] = 0;
+ data[1] = 255;
+ }
+ ioctl (psdp->fd, FBIOPUTCMAP, &fbcmap);
+ cmap->CloseScreen = pScreen->CloseScreen;
+ pScreen->CloseScreen = xf86SbusCmapCloseScreen;
+ return xf86HandleColormaps(pScreen, 256, 8,
+ xf86SbusCmapLoadPalette, NULL, 0);
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-06 16:03:26 +0000