xserver configuration

1 files changed, 206 insertions, 0 deletions

diff --git a/xserver.py b/xserver.py
new file mode 100644
index 000000000..25039f57c
--- /dev/null
+++ b/xserver.py
@@ -0,0 +1,206 @@
+import os
+import string
+import kudzu
+import isys
+
+def findCardInDB (needle, lines = None):
+    if not lines:
+        db = open ('/usr/X11R6/lib/X11/Cards')
+        lines = db.readlines ()
+        db.close ()
+
+    found = 0
+
+    card = {}
+
+    for line in lines:
+        line = string.strip (line)
+        
+        if not line and found:
+            break
+
+        if line and line[0] == '#':
+            continue
+
+        if len (line) > 4 and line[0:4] == 'NAME':
+            haystack = line[5:]
+            if needle == haystack:
+                found = 1
+                continue
+
+        if found:
+            info = string.splitfields (line, ' ')
+            if card.has_key (info[0]):
+                card[info[0]] = card[info[0]] + (string.joinfields (info[1:], ' ') + '\n')
+            else:
+                card[info[0]] = string.joinfields (info[1:], ' ')
+
+    if card.has_key ("SEE"):
+        see = findCardInDB (card["SEE"], lines)
+        for key, item in see.items ():
+            card[key] = item
+
+    return card
+
+def startX():
+    global serverPath
+    global mode
+    
+    os.environ['DISPLAY'] = ':1'
+    serverPath = None
+
+    print "Probing for mouse type..."
+    mice = kudzu.probe (kudzu.CLASS_MOUSE,
+                        kudzu.BUS_UNSPEC,
+                        kudzu.PROBE_ONE);
+    if not mice:
+        print "Unable to find a mouse!"
+        return 1
+    device = None
+    protocol = None
+    (mouseDev, driver, descr) = mice[0]
+    if mouseDev == 'psaux':
+        protocol = "PS/2"
+    else:
+        protocol = "Microsoft"
+
+    cards = kudzu.probe (kudzu.CLASS_VIDEO,
+                         kudzu.BUS_UNSPEC,
+                         kudzu.PROBE_ALL);
+
+    if len (cards) > 1:
+        print "Warning: multiple video chips detected."
+
+    if not cards:
+        try:
+            f = open('/dev/fb0', 'r')
+            f.close()
+            serverPath = '/usr/X11R6/bin/XF86_FBDev'
+        except:
+            serverPath = '/usr/X11R6/bin/XF86_VGA16'
+
+        print "PCI probe for video cards failed.  Falling back to", serverPath
+    else:
+        (device, driver, descr) = cards[0]
+        if driver[0:4] == "Card:":
+            card = findCardInDB (driver[5:])
+            if card.has_key ("SERVER"):
+                serverPath = '/usr/X11R6/bin/XF86_' + card["SERVER"]
+            else:
+                print ("CardDB missing SERVER for " + driver[5:] + ".\n"
+                       "Falling back to VGA16")
+                serverPath = '/usr/X11R6/bin/XF86_VGA16'                       
+        else:
+            if driver[0:6] == "Server:":
+                serverPath = '/usr/X11R6/bin/XF86_' + driver[7:]
+
+    isys.makeDevInode(mouseDev, "/tmp/" + mouseDev)
+
+    f = open ('/tmp/XF86Config', 'w')
+
+    settings = { "mouseDev" : '/tmp/' + mouseDev ,
+                 "mouseProto" : protocol }
+
+    f.write ("""
+Section "Files"
+    RgbPath	"/usr/X11R6/lib/X11/rgb"
+    FontPath	"/usr/X11R6/lib/X11/fonts/misc/"
+    FontPath	"/usr/X11R6/lib/X11/fonts/Type1/"
+    FontPath	"/usr/X11R6/lib/X11/fonts/Speedo/"
+    FontPath	"/usr/X11R6/lib/X11/fonts/75dpi/"
+    FontPath	"/usr/X11R6/lib/X11/fonts/100dpi/"
+EndSection
+
+Section "ServerFlags"
+EndSection
+
+Section "Keyboard"
+    Protocol    "Standard"
+    AutoRepeat  500 5
+    LeftAlt     Meta
+    RightAlt    Meta
+    ScrollLock  Compose
+    RightCtl    Control
+    XkbKeymap       "xfree86(us)"
+    XkbKeycodes     "xfree86"
+    XkbTypes        "default"
+    XkbCompat       "default"
+    XkbSymbols      "us(pc101)"
+    XkbGeometry     "pc"
+    XkbRules        "xfree86"
+    XkbModel        "pc101"
+    XkbLayout       "us"
+EndSection
+
+Section "Pointer"
+    Protocol    "%(mouseProto)s"
+    Device      "%(mouseDev)s"
+    Emulate3Buttons
+    Emulate3Timeout    50
+EndSection
+
+Section "Monitor"
+    Identifier  "Monitor"
+    VendorName  "Vendor"
+    ModelName   "Model"
+    HorizSync   31.5 - 79.0
+    VertRefresh 40-150
+
+# XXX fix me descr
+Modeline "640x480"     25.175 640  664  760  800   480  491  493  525
+# 640x480 @ 72 Hz, 36.5 kHz hsync
+Modeline "640x480"     31.5   640  680  720  864   480  488  491  521
+# 640x480 @ 75 Hz, 37.50 kHz hsync
+ModeLine  "640x480"    31.5   640  656  720  840   480  481  484  500 -HSync -VSync
+
+EndSection
+
+Section "Device"
+    Identifier  "Device"
+    VendorName  "Vendor"
+    BoardName   "Board"
+EndSection
+
+Section "Screen"
+    Driver      "vga16"
+    Device      "Device"
+    Monitor     "Monitor"
+    Subsection  "Display"
+        Modes       "640x480"
+        ViewPort    0 0
+    EndSubsection
+EndSection
+
+Section "Screen"
+    Driver      "svga"
+    Device      "Device"
+    Monitor     "Monitor"
+    Subsection  "Display"
+        Depth       8
+        Modes       "640x480"
+        ViewPort    0 0
+        Virtual     640 480
+    EndSubsection
+EndSection
+
+Section "Screen"
+    Driver      "fbdev"
+    Device      "Device"
+    Monitor     "Monitor"
+    Subsection  "Display"
+	Depth 	    16
+        Modes       "default"
+    EndSubsection
+EndSection
+""" % settings)
+    f.close ()
+
+    server = os.fork()
+    if (not server):
+        os.execv(serverPath, [serverPath, ':1', '-xf86config', 
+                 '/tmp/XF86Config', 'vt5'])
+    child = os.fork()
+    if (child):
+        os.waitpid(child, 0)
+        os.kill(server, 15)
+        sys.exit(0)