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Diffstat (limited to 'xorg-server/hw/xfree86/common/xf86sbusBus.c')
-rw-r--r--xorg-server/hw/xfree86/common/xf86sbusBus.c1428
1 files changed, 714 insertions, 714 deletions
diff --git a/xorg-server/hw/xfree86/common/xf86sbusBus.c b/xorg-server/hw/xfree86/common/xf86sbusBus.c
index 181c6ab00..6e6ab948f 100644
--- a/xorg-server/hw/xfree86/common/xf86sbusBus.c
+++ b/xorg-server/hw/xfree86/common/xf86sbusBus.c
@@ -1,714 +1,714 @@
-/*
- * 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.
- */
-
-#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 "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 = malloc(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);
- free(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->bus.type == BUS_SBUS && p->bus.id.sbus.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->bus.type = BUS_SBUS;
- xf86AddDevToEntity(num, dev);
- p->bus.id.sbus.fbNum = psdp->fbNum;
- p->active = active;
- p->inUse = FALSE;
- 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) {
- free(instances);
- return 0;
- }
-
- 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;
- }
- }
- free(instances);
- if (useProm)
- sparcPromClose();
- return actualcards;
- }
-
- DebugF("%s instances found: %d\n", driverName, allocatedInstances);
-
- 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;
- }
- free(promPath);
- }
-
- DebugF("%s instances found: %d\n", driverName, numClaimedInstances);
-
- /*
- * 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;
-
- DebugF("%s: card at fb%d %08x is claimed by a Device section\n",
- driverName, psdp->fbNum, psdp->node.node);
-
- /* 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);
- }
- free(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->bus.type != BUS_SBUS) return NULL;
-
- for (psdpp = xf86SbusInfo; *psdpp != NULL; psdpp++) {
- if (p->bus.id.sbus.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->bus.type != BUS_SBUS) continue;
-
- if (p->bus.id.sbus.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 sbusPaletteKeyIndex;
-static DevPrivateKey sbusPaletteKey = &sbusPaletteKeyIndex;
-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) \
- dixLookupPrivate(&(pScreen)->devPrivates, sbusPaletteKey))
-
-static void
-xf86SbusCmapLoadPalette(ScrnInfoPtr pScrn, int numColors, int *indices,
- LOCO *colors, VisualPtr pVisual)
-{
- int i, index;
- sbusCmapPtr cmap;
- struct fbcmap fbcmap;
- unsigned char *data = malloc(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);
- free(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;
- free(cmap);
- return (*pScreen->CloseScreen) (i, pScreen);
-}
-
-Bool
-xf86SbusHandleColormaps(ScreenPtr pScreen, sbusDevicePtr psdp)
-{
- sbusCmapPtr cmap;
- struct fbcmap fbcmap;
- unsigned char data[2];
-
- cmap = xnfcalloc(1, sizeof(sbusCmapRec));
- dixSetPrivate(&pScreen->devPrivates, sbusPaletteKey, 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);
-}
-
-Bool
-xf86SbusConfigure(void *busData, sbusDevicePtr sBus)
-{
- if (sBus && sBus->fbNum == ((sbusDevicePtr) busData)->fbNum)
- return 0;
- return 1;
-}
-
-void
-xf86SbusConfigureNewDev(void *busData, sbusDevicePtr sBus, GDevRec *GDev)
-{
- char *promPath = NULL;
-
- sBus = (sbusDevicePtr) busData;
- GDev->identifier = sBus->descr;
- if (sparcPromInit() >= 0) {
- promPath = sparcPromNode2Pathname(&sBus->node);
- sparcPromClose();
- }
- if (promPath) {
- XNFasprintf(&GDev->busID, "SBUS:%s", promPath);
- free(promPath);
- } else {
- XNFasprintf(&GDev->busID, "SBUS:fb%d", sBus->fbNum);
- }
-}
+/*
+ * 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.
+ */
+
+#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 "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 = malloc(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);
+ free(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->bus.type == BUS_SBUS && p->bus.id.sbus.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->bus.type = BUS_SBUS;
+ xf86AddDevToEntity(num, dev);
+ p->bus.id.sbus.fbNum = psdp->fbNum;
+ p->active = active;
+ p->inUse = FALSE;
+ 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) {
+ free(instances);
+ return 0;
+ }
+
+ 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;
+ }
+ }
+ free(instances);
+ if (useProm)
+ sparcPromClose();
+ return actualcards;
+ }
+
+ DebugF("%s instances found: %d\n", driverName, allocatedInstances);
+
+ 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;
+ }
+ free(promPath);
+ }
+
+ DebugF("%s instances found: %d\n", driverName, numClaimedInstances);
+
+ /*
+ * 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;
+
+ DebugF("%s: card at fb%d %08x is claimed by a Device section\n",
+ driverName, psdp->fbNum, psdp->node.node);
+
+ /* 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);
+ }
+ free(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->bus.type != BUS_SBUS) return NULL;
+
+ for (psdpp = xf86SbusInfo; *psdpp != NULL; psdpp++) {
+ if (p->bus.id.sbus.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->bus.type != BUS_SBUS) continue;
+
+ if (p->bus.id.sbus.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 sbusPaletteKeyIndex;
+static DevPrivateKey sbusPaletteKey = &sbusPaletteKeyIndex;
+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) \
+ dixLookupPrivate(&(pScreen)->devPrivates, sbusPaletteKey))
+
+static void
+xf86SbusCmapLoadPalette(ScrnInfoPtr pScrn, int numColors, int *indices,
+ LOCO *colors, VisualPtr pVisual)
+{
+ int i, index;
+ sbusCmapPtr cmap;
+ struct fbcmap fbcmap;
+ unsigned char *data = malloc(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);
+ free(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;
+ free(cmap);
+ return (*pScreen->CloseScreen) (i, pScreen);
+}
+
+Bool
+xf86SbusHandleColormaps(ScreenPtr pScreen, sbusDevicePtr psdp)
+{
+ sbusCmapPtr cmap;
+ struct fbcmap fbcmap;
+ unsigned char data[2];
+
+ cmap = xnfcalloc(1, sizeof(sbusCmapRec));
+ dixSetPrivate(&pScreen->devPrivates, sbusPaletteKey, 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);
+}
+
+Bool
+xf86SbusConfigure(void *busData, sbusDevicePtr sBus)
+{
+ if (sBus && sBus->fbNum == ((sbusDevicePtr) busData)->fbNum)
+ return 0;
+ return 1;
+}
+
+void
+xf86SbusConfigureNewDev(void *busData, sbusDevicePtr sBus, GDevRec *GDev)
+{
+ char *promPath = NULL;
+
+ sBus = (sbusDevicePtr) busData;
+ GDev->identifier = sBus->descr;
+ if (sparcPromInit() >= 0) {
+ promPath = sparcPromNode2Pathname(&sBus->node);
+ sparcPromClose();
+ }
+ if (promPath) {
+ XNFasprintf(&GDev->busID, "SBUS:%s", promPath);
+ free(promPath);
+ } else {
+ XNFasprintf(&GDev->busID, "SBUS:fb%d", sBus->fbNum);
+ }
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-07 19:30:09 +0000