aboutsummaryrefslogtreecommitdiff
path: root/xorg-server/hw/xfree86/os-support/bus
diff options
context:
space:
mode:
Diffstat (limited to 'xorg-server/hw/xfree86/os-support/bus')
-rw-r--r--xorg-server/hw/xfree86/os-support/bus/Sbus.c1380
1 files changed, 690 insertions, 690 deletions
diff --git a/xorg-server/hw/xfree86/os-support/bus/Sbus.c b/xorg-server/hw/xfree86/os-support/bus/Sbus.c
index 0b6205f0b..4560ef016 100644
--- a/xorg-server/hw/xfree86/os-support/bus/Sbus.c
+++ b/xorg-server/hw/xfree86/os-support/bus/Sbus.c
@@ -1,690 +1,690 @@
-/*
- * 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.
- */
-
-#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", "sunbw2", "Sun Monochrome (bwtwo)" },
- { SBUS_DEVICE_CG2, FBTYPE_SUN2COLOR, "cgtwo", NULL, "Sun Color2 (cgtwo)" },
- { SBUS_DEVICE_CG3, FBTYPE_SUN3COLOR, "cgthree", "suncg3", "Sun Color3 (cgthree)" },
- { SBUS_DEVICE_CG4, FBTYPE_SUN4COLOR, "cgfour", NULL, "Sun Color4 (cgfour)" },
- { SBUS_DEVICE_CG6, FBTYPE_SUNFAST_COLOR, "cgsix", "suncg6", "Sun GX" },
- { SBUS_DEVICE_CG8, FBTYPE_MEMCOLOR, "cgeight", NULL, "Sun CG8/RasterOps" },
- { SBUS_DEVICE_CG12, FBTYPE_SUNGP3, "cgtwelve", NULL, "Sun GS (cgtwelve)" },
- { SBUS_DEVICE_CG14, FBTYPE_MDICOLOR, "cgfourteen", "suncg14", "Sun SX" },
- { SBUS_DEVICE_GT, FBTYPE_SUNGT, "gt", NULL, "Sun Graphics Tower" },
- { SBUS_DEVICE_MGX, -1, "mgx", NULL, "Quantum 3D MGXplus" },
- { SBUS_DEVICE_LEO, FBTYPE_SUNLEO, "leo", "sunleo", "Sun ZX or Turbo ZX" },
- { SBUS_DEVICE_TCX, FBTYPE_TCXCOLOR, "tcx", "suntcx", "Sun TCX" },
- { SBUS_DEVICE_FFB, FBTYPE_CREATOR, "ffb", "sunffb", "Sun FFB" },
- { SBUS_DEVICE_FFB, FBTYPE_CREATOR, "afb", "sunffb", "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 char *
-promWalkGetDriverName(int node, int oldnode)
-{
- int nextnode;
- int len;
- char *prop;
- int devId, i;
-
- 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 (sbusDeviceTable[i].driverName)
- return sbusDeviceTable[i].driverName;
- }
- } while (0);
-
- nextnode = promGetChild(node);
- if (nextnode) {
- char *name;
- name = promWalkGetDriverName(nextnode, node);
- if (name)
- return name;
- }
-
- nextnode = promGetSibling(node);
- if (nextnode)
- return promWalkGetDriverName(nextnode, node);
- return NULL;
-}
-
-char *
-sparcDriverName(void)
-{
- char *name;
-
- if (sparcPromInit() < 0)
- return NULL;
- promGetSibling(0);
- name = promWalkGetDriverName(promRootNode, 0);
- sparcPromClose();
- return name;
-}
-
-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];
-
- 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 = getpagesize() - 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 = getpagesize() - 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);
-}
+/*
+ * 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.
+ */
+
+#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", "sunbw2", "Sun Monochrome (bwtwo)" },
+ { SBUS_DEVICE_CG2, FBTYPE_SUN2COLOR, "cgtwo", NULL, "Sun Color2 (cgtwo)" },
+ { SBUS_DEVICE_CG3, FBTYPE_SUN3COLOR, "cgthree", "suncg3", "Sun Color3 (cgthree)" },
+ { SBUS_DEVICE_CG4, FBTYPE_SUN4COLOR, "cgfour", NULL, "Sun Color4 (cgfour)" },
+ { SBUS_DEVICE_CG6, FBTYPE_SUNFAST_COLOR, "cgsix", "suncg6", "Sun GX" },
+ { SBUS_DEVICE_CG8, FBTYPE_MEMCOLOR, "cgeight", NULL, "Sun CG8/RasterOps" },
+ { SBUS_DEVICE_CG12, FBTYPE_SUNGP3, "cgtwelve", NULL, "Sun GS (cgtwelve)" },
+ { SBUS_DEVICE_CG14, FBTYPE_MDICOLOR, "cgfourteen", "suncg14", "Sun SX" },
+ { SBUS_DEVICE_GT, FBTYPE_SUNGT, "gt", NULL, "Sun Graphics Tower" },
+ { SBUS_DEVICE_MGX, -1, "mgx", NULL, "Quantum 3D MGXplus" },
+ { SBUS_DEVICE_LEO, FBTYPE_SUNLEO, "leo", "sunleo", "Sun ZX or Turbo ZX" },
+ { SBUS_DEVICE_TCX, FBTYPE_TCXCOLOR, "tcx", "suntcx", "Sun TCX" },
+ { SBUS_DEVICE_FFB, FBTYPE_CREATOR, "ffb", "sunffb", "Sun FFB" },
+ { SBUS_DEVICE_FFB, FBTYPE_CREATOR, "afb", "sunffb", "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) {
+ free(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 *)malloc(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 char *
+promWalkGetDriverName(int node, int oldnode)
+{
+ int nextnode;
+ int len;
+ char *prop;
+ int devId, i;
+
+ 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 (sbusDeviceTable[i].driverName)
+ return sbusDeviceTable[i].driverName;
+ }
+ } while (0);
+
+ nextnode = promGetChild(node);
+ if (nextnode) {
+ char *name;
+ name = promWalkGetDriverName(nextnode, node);
+ if (name)
+ return name;
+ }
+
+ nextnode = promGetSibling(node);
+ if (nextnode)
+ return promWalkGetDriverName(nextnode, node);
+ return NULL;
+}
+
+char *
+sparcDriverName(void)
+{
+ char *name;
+
+ if (sparcPromInit() < 0)
+ return NULL;
+ promGetSibling(0);
+ name = promWalkGetDriverName(promRootNode, 0);
+ sparcPromClose();
+ return name;
+}
+
+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];
+
+ 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 = malloc(4096);
+ if (!ret) return NULL;
+ if (promWalkNode2Pathname(ret, promRootNode, promGetChild(promRootNode), pnode->node, 0))
+ return ret;
+ free(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 = malloc(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);
+ free(name);
+ return i;
+}
+
+pointer
+xf86MapSbusMem(sbusDevicePtr psdp, unsigned long offset, unsigned long size)
+{
+ pointer ret;
+ unsigned long pagemask = getpagesize() - 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 = getpagesize() - 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);
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-03 04:40:17 +0000