Imported nx-X11-3.1.0-1.tar.gznx-X11/3.1.0-1

Summary: Imported nx-X11-3.1.0-1.tar.gz
Keywords:

Imported nx-X11-3.1.0-1.tar.gz
into Git repository

1 files changed, 637 insertions, 0 deletions

diff --git a/nx-X11/programs/Xserver/hw/xfree86/os-support/bus/Sbus.c b/nx-X11/programs/Xserver/hw/xfree86/os-support/bus/Sbus.c
new file mode 100644
index 000000000..168bc669e
--- /dev/null
+++ b/nx-X11/programs/Xserver/hw/xfree86/os-support/bus/Sbus.c
@@ -0,0 +1,637 @@
+/*
+ * SBUS and OpenPROM access functions.
+ *
+ * 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/os-support/bus/Sbus.c,v 1.2tsi Exp $ */
+
+#ifdef HAVE_XORG_CONFIG_H
+#include <xorg-config.h>
+#endif
+
+#include <fcntl.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <sys/ioctl.h>
+#include <sys/mman.h>
+#ifdef sun
+#include <sys/utsname.h>
+#endif
+#include "xf86.h"
+#include "xf86Priv.h"
+#include "xf86_OSlib.h"
+
+#include "xf86sbusBus.h"
+#include "xf86Sbus.h"
+
+int promRootNode;
+
+static int promFd = -1;
+static int promCurrentNode;
+static int promOpenCount = 0;
+static int promP1275 = -1;
+#define MAX_PROP	128
+#define MAX_VAL		(4096-128-4)
+static struct openpromio *promOpio;
+
+sbusDevicePtr *xf86SbusInfo = NULL;
+
+struct sbus_devtable sbusDeviceTable[] = {
+    { SBUS_DEVICE_BW2, FBTYPE_SUN2BW, "bwtwo", "Sun Monochrome (bwtwo)" },
+    { SBUS_DEVICE_CG2, FBTYPE_SUN2COLOR, "cgtwo", "Sun Color2 (cgtwo)" },
+    { SBUS_DEVICE_CG3, FBTYPE_SUN3COLOR, "cgthree", "Sun Color3 (cgthree)" },
+    { SBUS_DEVICE_CG4, FBTYPE_SUN4COLOR, "cgfour", "Sun Color4 (cgfour)" },
+    { SBUS_DEVICE_CG6, FBTYPE_SUNFAST_COLOR, "cgsix", "Sun GX" },
+    { SBUS_DEVICE_CG8, FBTYPE_MEMCOLOR, "cgeight", "Sun CG8/RasterOps" },
+    { SBUS_DEVICE_CG12, FBTYPE_SUNGP3, "cgtwelve", "Sun GS (cgtwelve)" },
+    { SBUS_DEVICE_CG14, FBTYPE_MDICOLOR, "cgfourteen", "Sun SX" },
+    { SBUS_DEVICE_GT, FBTYPE_SUNGT, "gt", "Sun Graphics Tower" },
+    { SBUS_DEVICE_MGX, -1, "mgx", "Quantum 3D MGXplus" },
+    { SBUS_DEVICE_LEO, FBTYPE_SUNLEO, "leo", "Sun ZX or Turbo ZX" },
+    { SBUS_DEVICE_TCX, FBTYPE_TCXCOLOR, "tcx", "Sun TCX" },
+    { SBUS_DEVICE_FFB, FBTYPE_CREATOR, "ffb", "Sun FFB" },
+    { SBUS_DEVICE_FFB, FBTYPE_CREATOR, "afb", "Sun Elite3D" },
+    { 0, 0, NULL }
+};
+
+int
+promGetSibling(int node)
+{
+    promOpio->oprom_size = sizeof(int);
+
+    if (node == -1) return 0;
+    *(int *)promOpio->oprom_array = node;
+    if (ioctl(promFd, OPROMNEXT, promOpio) < 0)
+	return 0;
+    promCurrentNode = *(int *)promOpio->oprom_array;
+    return *(int *)promOpio->oprom_array;
+}
+
+int
+promGetChild(int node)
+{
+    promOpio->oprom_size = sizeof(int);
+
+    if (!node || node == -1) return 0;
+    *(int *)promOpio->oprom_array = node;
+    if (ioctl(promFd, OPROMCHILD, promOpio) < 0)
+	return 0;
+    promCurrentNode = *(int *)promOpio->oprom_array;
+    return *(int *)promOpio->oprom_array;
+}
+
+char *
+promGetProperty(const char *prop, int *lenp)
+{
+    promOpio->oprom_size = MAX_VAL;
+
+    strcpy(promOpio->oprom_array, prop);
+    if (ioctl(promFd, OPROMGETPROP, promOpio) < 0)
+	return 0;
+    if (lenp) *lenp = promOpio->oprom_size;
+    return promOpio->oprom_array;
+}
+
+int
+promGetBool(const char *prop)
+{
+    promOpio->oprom_size = 0;
+
+    *(int *)promOpio->oprom_array = 0;
+    for (;;) {
+	promOpio->oprom_size = MAX_PROP;
+	if (ioctl(promFd, OPROMNXTPROP, promOpio) < 0)
+	    return 0;
+	if (!promOpio->oprom_size)
+	    return 0;
+	if (!strcmp(promOpio->oprom_array, prop))
+	    return 1;
+    }
+}
+
+#define PROM_NODE_SIBLING 0x01
+#define PROM_NODE_PREF    0x02
+#define PROM_NODE_SBUS    0x04
+#define PROM_NODE_EBUS    0x08
+#define PROM_NODE_PCI     0x10
+
+static int
+promSetNode(sbusPromNodePtr pnode)
+{
+    int node;
+
+    if (!pnode->node || pnode->node == -1)
+	return -1;
+    if (pnode->cookie[0] & PROM_NODE_SIBLING)
+	node = promGetSibling(pnode->cookie[1]);
+    else
+	node = promGetChild(pnode->cookie[1]);
+    if (pnode->node != node)
+	return -1;
+    return 0;
+}
+
+static void
+promIsP1275(void)
+{
+#ifdef linux
+    FILE *f;
+    char buffer[1024];
+
+    if (promP1275 != -1)
+	return;
+    promP1275 = 0;
+    f = fopen("/proc/cpuinfo","r");
+    if (!f) return;
+    while (fgets(buffer, 1024, f) != NULL)
+	if (!strncmp (buffer, "type", 4) && strstr (buffer, "sun4u")) {
+	    promP1275 = 1;
+	    break;
+	}
+    fclose(f);
+#elif defined(sun)
+    struct utsname buffer;
+
+    if ((uname(&buffer) >= 0) && !strcmp(buffer.machine, "sun4u"))
+	promP1275 = TRUE;
+    else
+	promP1275 = FALSE;
+#elif defined(__FreeBSD__)
+    promP1275 = TRUE;
+#else
+#error Missing promIsP1275() function for this OS
+#endif
+}
+
+void
+sparcPromClose(void)
+{
+    if (promOpenCount > 1) {
+	promOpenCount--;
+	return;
+    }
+    if (promFd != -1) {
+	close(promFd);
+	promFd = -1;
+    }
+    if (promOpio) {
+	xfree(promOpio);
+	promOpio = NULL;
+    }
+    promOpenCount = 0;
+}
+
+int
+sparcPromInit(void)
+{
+    if (promOpenCount) {
+	promOpenCount++;
+	return 0;
+    }
+    promFd = open("/dev/openprom", O_RDONLY, 0);
+    if (promFd == -1)
+	return -1;
+    promOpio = (struct openpromio *)xalloc(4096);
+    if (!promOpio) {
+	sparcPromClose();
+	return -1;
+    }
+    promRootNode = promGetSibling(0);
+    if (!promRootNode) {
+	sparcPromClose();
+	return -1;
+    }
+    promIsP1275();
+    promOpenCount++;
+
+    return 0;
+}
+
+char *
+sparcPromGetProperty(sbusPromNodePtr pnode, const char *prop, int *lenp)
+{
+    if (promSetNode(pnode))
+	return NULL;
+    return promGetProperty(prop, lenp);
+}
+
+int
+sparcPromGetBool(sbusPromNodePtr pnode, const char *prop)
+{
+    if (promSetNode(pnode))
+	return 0;
+    return promGetBool(prop);
+}
+
+static void
+promWalkAssignNodes(int node, int oldnode, int flags, sbusDevicePtr *devicePtrs)
+{
+    int nextnode;
+    int len, sbus = flags & PROM_NODE_SBUS;
+    char *prop;
+    int devId, i, j;
+    sbusPromNode pNode, pNode2;
+
+    prop = promGetProperty("device_type", &len);
+    if (prop && (len > 0)) do {
+	if (!strcmp(prop, "display")) {
+	    prop = promGetProperty("name", &len);
+	    if (!prop || len <= 0)
+		break;
+	    while ((*prop >= 'A' && *prop <= 'Z') || *prop == ',')
+		prop++;
+	    for (i = 0; sbusDeviceTable[i].devId; i++)
+		if (!strcmp(prop, sbusDeviceTable[i].promName))
+		    break;
+	    devId = sbusDeviceTable[i].devId;
+	    if (!devId)
+		break;
+	    if (!sbus) {
+		if (devId == SBUS_DEVICE_FFB) {
+		    /*
+		     * All /SUNW,ffb outside of SBUS tree come before all
+		     * /SUNW,afb outside of SBUS tree in Linux.
+		     */
+		    if (!strcmp(prop, "afb"))
+			flags |= PROM_NODE_PREF;
+		} else if (devId != SBUS_DEVICE_CG14)
+		    break;
+	    }
+	    for (i = 0; i < 32; i++) {
+		if (!devicePtrs[i] || devicePtrs[i]->devId != devId)
+		    continue;
+		if (devicePtrs[i]->node.node) {
+		    if ((devicePtrs[i]->node.cookie[0] & ~PROM_NODE_SIBLING) <=
+			(flags & ~PROM_NODE_SIBLING))
+			continue;
+		    for (j = i + 1, pNode = devicePtrs[i]->node; j < 32; j++) {
+			if (!devicePtrs[j] || devicePtrs[j]->devId != devId)
+			    continue;
+			pNode2 = devicePtrs[j]->node;
+			devicePtrs[j]->node = pNode;
+			pNode = pNode2;
+		    }
+		}
+		devicePtrs[i]->node.node = node;
+		devicePtrs[i]->node.cookie[0] = flags;
+		devicePtrs[i]->node.cookie[1] = oldnode;
+		break;
+	    }
+	    break;
+	}
+    } while (0);
+
+    prop = promGetProperty("name", &len);
+    if (prop && len > 0) {
+	if (!strcmp(prop, "sbus") || !strcmp(prop, "sbi"))
+	    sbus = PROM_NODE_SBUS;
+    }
+
+    nextnode = promGetChild(node);
+    if (nextnode)
+	promWalkAssignNodes(nextnode, node, sbus, devicePtrs);
+
+    nextnode = promGetSibling(node);
+    if (nextnode)
+	promWalkAssignNodes(nextnode, node, PROM_NODE_SIBLING | sbus, devicePtrs);
+}
+
+void
+sparcPromAssignNodes(void)
+{
+    sbusDevicePtr psdp, *psdpp;
+    int n, holes = 0, i, j;
+    FILE *f;
+    sbusDevicePtr devicePtrs[32];
+
+    (void)memset(devicePtrs, 0, sizeof(devicePtrs));
+    for (psdpp = xf86SbusInfo, n = 0; (psdp = *psdpp); psdpp++, n++) {
+	if (psdp->fbNum != n)
+	    holes = 1;
+	devicePtrs[psdp->fbNum] = psdp;
+    }
+    if (holes && (f = fopen("/proc/fb", "r")) != NULL) {
+	/* We could not open one of fb devices, check /proc/fb to see what
+	 * were the types of the cards missed. */
+	char buffer[64];
+	int fbNum, devId;
+	static struct {
+	    int devId;
+	    char *prefix;
+	} procFbPrefixes[] = {
+	    { SBUS_DEVICE_BW2, "BWtwo" },
+	    { SBUS_DEVICE_CG14, "CGfourteen" },
+	    { SBUS_DEVICE_CG6, "CGsix" },
+	    { SBUS_DEVICE_CG3, "CGthree" },
+	    { SBUS_DEVICE_FFB, "Creator" },
+	    { SBUS_DEVICE_FFB, "Elite 3D" },
+	    { SBUS_DEVICE_LEO, "Leo" },
+	    { SBUS_DEVICE_TCX, "TCX" },
+	    { 0, NULL },
+	};
+
+	while (fscanf(f, "%d %63s\n", &fbNum, buffer) == 2) {
+	    for (i = 0; procFbPrefixes[i].devId; i++)
+		if (! strncmp(procFbPrefixes[i].prefix, buffer,
+		      strlen(procFbPrefixes[i].prefix)))
+		    break;
+	    devId = procFbPrefixes[i].devId;
+	    if (! devId) continue;
+	    if (devicePtrs[fbNum]) {
+		if (devicePtrs[fbNum]->devId != devId)
+		    xf86ErrorF("Inconsistent /proc/fb with FBIOGATTR\n");
+	    } else if (!devicePtrs[fbNum]) {
+		devicePtrs[fbNum] = psdp = xnfcalloc(sizeof (sbusDevice), 1);
+		psdp->devId = devId;
+		psdp->fbNum = fbNum;
+		psdp->fd = -2;
+	    }
+	}
+	fclose(f);
+    }
+    promGetSibling(0);
+    promWalkAssignNodes(promRootNode, 0, PROM_NODE_PREF, devicePtrs);
+    for (i = 0, j = 0; i < 32; i++)
+	if (devicePtrs[i] && devicePtrs[i]->fbNum == -1)
+	    j++;
+    xf86SbusInfo = xnfrealloc(xf86SbusInfo, sizeof(psdp) * (n + j + 1));
+    for (i = 0, psdpp = xf86SbusInfo; i < 32; i++)
+	if (devicePtrs[i]) {
+	    if (devicePtrs[i]->fbNum == -1) {
+		memmove(psdpp + 1, psdpp, sizeof(psdpp) * (n + 1));
+		*psdpp = devicePtrs[i];
+	    } else
+		n--;
+	}
+}
+
+static char *
+promGetReg(int type)
+{
+    char *prop;
+    int len;
+    static char regstr[40];
+
+    regstr[0] = 0;
+    prop = promGetProperty("reg", &len);
+    if (prop && len >= 4) {
+	unsigned int *reg = (unsigned int *)prop;
+	if (!promP1275 || (type == PROM_NODE_SBUS) || (type == PROM_NODE_EBUS))
+	    sprintf (regstr, "@%x,%x", reg[0], reg[1]);
+	else if (type == PROM_NODE_PCI) {
+	    if ((reg[0] >> 8) & 7)
+		sprintf (regstr, "@%x,%x", (reg[0] >> 11) & 0x1f, (reg[0] >> 8) & 7);
+	    else
+		sprintf (regstr, "@%x", (reg[0] >> 11) & 0x1f);
+	} else if (len == 4)
+	    sprintf (regstr, "@%x", reg[0]);
+	else {
+	    unsigned int regs[2];
+
+	    /* Things get more complicated on UPA. If upa-portid exists,
+	       then address is @upa-portid,second-int-in-reg, otherwise
+	       it is @first-int-in-reg/16,second-int-in-reg (well, probably
+	       upa-portid always exists, but just to be safe). */
+	    memcpy (regs, reg, sizeof(regs));
+	    prop = promGetProperty("upa-portid", &len);
+	    if (prop && len == 4) {
+		reg = (unsigned int *)prop;
+		sprintf (regstr, "@%x,%x", reg[0], regs[1]);
+	    } else
+		sprintf (regstr, "@%x,%x", regs[0] >> 4, regs[1]);
+	}
+    }
+    return regstr;
+}
+
+static int
+promWalkNode2Pathname(char *path, int parent, int node, int searchNode, int type)
+{
+    int nextnode;
+    int len, ntype = type;
+    char *prop, *p;
+
+    prop = promGetProperty("name", &len);
+    *path = '/';
+    if (!prop || len <= 0)
+	return 0;
+    if ((!strcmp(prop, "sbus") || !strcmp(prop, "sbi")) && !type)
+	ntype = PROM_NODE_SBUS;
+    else if (!strcmp(prop, "ebus") && type == PROM_NODE_PCI)
+	ntype = PROM_NODE_EBUS;
+    else if (!strcmp(prop, "pci") && !type)
+	ntype = PROM_NODE_PCI;
+    strcpy (path + 1, prop);
+    p = promGetReg(type);
+    if (*p)
+	strcat (path, p);
+    if (node == searchNode)
+	return 1;
+    nextnode = promGetChild(node);
+    if (nextnode &&
+	promWalkNode2Pathname(strchr(path, 0), node, nextnode, searchNode, ntype))
+	return 1;
+    nextnode = promGetSibling(node);
+    if (nextnode &&
+	promWalkNode2Pathname(path, parent, nextnode, searchNode, type))
+	return 1;
+    return 0;
+}
+
+char *
+sparcPromNode2Pathname(sbusPromNodePtr pnode)
+{
+    char *ret;
+
+    if (!pnode->node) return NULL;
+    ret = xalloc(4096);
+    if (!ret) return NULL;
+    if (promWalkNode2Pathname(ret, promRootNode, promGetChild(promRootNode), pnode->node, 0))
+	return ret;
+    xfree(ret);
+    return NULL;
+}
+
+static int
+promWalkPathname2Node(char *name, char *regstr, int parent, int type)
+{
+    int len, node, ret;
+    char *prop, *p;
+
+    for (;;) {
+	prop = promGetProperty("name", &len);
+	if (!prop || len <= 0)
+	    return 0;
+	if ((!strcmp(prop, "sbus") || !strcmp(prop, "sbi")) && !type)
+	    type = PROM_NODE_SBUS;
+	else if (!strcmp(prop, "ebus") && type == PROM_NODE_PCI)
+	    type = PROM_NODE_EBUS;
+	else if (!strcmp(prop, "pci") && !type)
+	    type = PROM_NODE_PCI;
+	for (node = promGetChild(parent); node; node = promGetSibling(node)) {
+	    prop = promGetProperty("name", &len);
+	    if (!prop || len <= 0)
+		continue;
+	    if (*name && strcmp(name, prop))
+		continue;
+	    if (*regstr) {
+		p = promGetReg(type);
+		if (! *p || strcmp(p + 1, regstr))
+		    continue;
+	    }
+	    break;
+	}
+	if (!node) {
+	    for (node = promGetChild(parent); node; node = promGetSibling(node)) {
+		ret = promWalkPathname2Node(name, regstr, node, type);
+		if (ret) return ret;
+	    }
+	    return 0;
+	}
+	name = strchr(regstr, 0) + 1;
+	if (! *name)
+	    return node;
+	p = strchr(name, '/');
+	if (p)
+	    *p = 0;
+	else
+	    p = strchr(name, 0);
+	regstr = strchr(name, '@');
+	if (regstr)
+	    *regstr++ = 0;
+	else
+	    regstr = p;
+	if (name == regstr)
+	    return 0;
+	parent = node;
+    }
+}
+
+int
+sparcPromPathname2Node(const char *pathName)
+{
+    int i;
+    char *name, *regstr, *p;
+
+    i = strlen(pathName);
+    name = xalloc(i + 2);
+    if (! name) return 0;
+    strcpy (name, pathName);
+    name [i + 1] = 0;
+    if (name[0] != '/')
+	return 0;
+    p = strchr(name + 1, '/');
+    if (p)
+	*p = 0;
+    else
+	p = strchr(name, 0);
+    regstr = strchr(name, '@');
+    if (regstr)
+	*regstr++ = 0;
+    else
+	regstr = p;
+    if (name + 1 == regstr)
+	return 0;
+    promGetSibling(0);
+    i = promWalkPathname2Node(name + 1, regstr, promRootNode, 0);
+    xfree(name);
+    return i;
+}
+
+pointer
+xf86MapSbusMem(sbusDevicePtr psdp, unsigned long offset, unsigned long size)
+{
+    pointer ret;
+    unsigned long pagemask = xf86getpagesize() - 1;
+    unsigned long off = offset & ~pagemask;
+    unsigned long len = ((offset + size + pagemask) & ~pagemask) - off;
+
+    if (psdp->fd == -1) {
+	psdp->fd = open(psdp->device, O_RDWR);
+	if (psdp->fd == -1)
+	    return NULL;
+    } else if (psdp->fd < 0)
+	return NULL;
+
+    ret = (pointer) mmap (NULL, len, PROT_READ | PROT_WRITE, MAP_PRIVATE,
+			  psdp->fd, off);
+    if (ret == (pointer) -1) {
+	ret = (pointer) mmap (NULL, len, PROT_READ | PROT_WRITE, MAP_SHARED,
+			      psdp->fd, off);
+    }
+    if (ret == (pointer) -1)
+	return NULL;
+
+    return (char *)ret + (offset - off);
+}
+
+void
+xf86UnmapSbusMem(sbusDevicePtr psdp, pointer addr, unsigned long size)
+{
+    unsigned long mask = xf86getpagesize() - 1;
+    unsigned long base = (unsigned long)addr & ~mask;
+    unsigned long len = (((unsigned long)addr + size + mask) & ~mask) - base;
+
+    munmap ((pointer)base, len);
+}
+
+/* Tell OS that we are driving the HW cursor ourselves. */
+void
+xf86SbusHideOsHwCursor(sbusDevicePtr psdp)
+{
+    struct fbcursor fbcursor;
+    unsigned char zeros[8];
+
+    memset(&fbcursor, 0, sizeof(fbcursor));
+    memset(&zeros, 0, sizeof(zeros));
+    fbcursor.cmap.count = 2;
+    fbcursor.cmap.red = zeros;
+    fbcursor.cmap.green = zeros;
+    fbcursor.cmap.blue = zeros;
+    fbcursor.image = (char *)zeros;
+    fbcursor.mask = (char *)zeros;
+    fbcursor.size.x = 32;
+    fbcursor.size.y = 1;
+    fbcursor.set = FB_CUR_SETALL;
+    ioctl(psdp->fd, FBIOSCURSOR, &fbcursor);
+}
+
+/* Set HW cursor colormap. */
+void
+xf86SbusSetOsHwCursorCmap(sbusDevicePtr psdp, int bg, int fg)
+{
+    struct fbcursor fbcursor;
+    unsigned char red[2], green[2], blue[2];
+
+    memset(&fbcursor, 0, sizeof(fbcursor));
+    red[0] = bg >> 16;
+    green[0] = bg >> 8;
+    blue[0] = bg;
+    red[1] = fg >> 16;
+    green[1] = fg >> 8;
+    blue[1] = fg;
+    fbcursor.cmap.count = 2;
+    fbcursor.cmap.red = red;
+    fbcursor.cmap.green = green;
+    fbcursor.cmap.blue = blue;
+    fbcursor.set = FB_CUR_SETCMAP;
+    ioctl(psdp->fd, FBIOSCURSOR, &fbcursor);
+}