src/gallium/winsys/drm/vmware/xorg/vmw_xorg.c

   1 /**********************************************************
   2  * Copyright 2008-2009 VMware, Inc.  All rights reserved.
   3  *
   4  * Permission is hereby granted, free of charge, to any person
   5  * obtaining a copy of this software and associated documentation
   6  * files (the "Software"), to deal in the Software without
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   9  * of the Software, and to permit persons to whom the Software is
  10  * furnished to do so, subject to the following conditions:
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  12  * The above copyright notice and this permission notice shall be
  13  * included in all copies or substantial portions of the Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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  20  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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  22  * SOFTWARE.
  23  *
  24  **********************************************************/
  25
  26 /**
  27  * @file
  28  * Glue file for Xorg State Tracker.
  29  *
  30  * @author Alan Hourihane <alanh@tungstengraphics.com>
  31  * @author Jakob Bornecrantz <wallbraker@gmail.com>
  32  */
  33
  34 #include "vmw_hook.h"
  35
  36 static void vmw_xorg_identify(int flags);
  37 static Bool vmw_xorg_pci_probe(DriverPtr driver,
  38                                int entity_num,
  39                                struct pci_device *device,
  40                                intptr_t match_data);
  41
  42 static const struct pci_id_match vmw_xorg_device_match[] = {
  43     {0x15ad, PCI_MATCH_ANY, PCI_MATCH_ANY, PCI_MATCH_ANY, 0, 0, 0},
  44     {0, 0, 0, 0, 0, 0, 0},
  45 };
  46
  47 static SymTabRec vmw_xorg_chipsets[] = {
  48     {PCI_MATCH_ANY, "VMware SVGA Device"},
  49     {-1, NULL}
  50 };
  51
  52 static PciChipsets vmw_xorg_pci_devices[] = {
  53     {PCI_MATCH_ANY, PCI_MATCH_ANY, NULL},
  54     {-1, -1, NULL}
  55 };
  56
  57 static XF86ModuleVersionInfo vmw_xorg_version = {
  58     "vmwgfx",
  59     MODULEVENDORSTRING,
  60     MODINFOSTRING1,
  61     MODINFOSTRING2,
  62     XORG_VERSION_CURRENT,
  63     0, 1, 0, /* major, minor, patch */
  64     ABI_CLASS_VIDEODRV,
  65     ABI_VIDEODRV_VERSION,
  66     MOD_CLASS_VIDEODRV,
  67     {0, 0, 0, 0}
  68 };
  69
  70 /*
  71  * Xorg driver exported structures
  72  */
  73
  74 _X_EXPORT DriverRec vmwgfx = {
  75     1,
  76     "vmwgfx",
  77     vmw_xorg_identify,
  78     NULL,
  79     xorg_tracker_available_options,
  80     NULL,
  81     0,
  82     NULL,
  83     vmw_xorg_device_match,
  84     vmw_xorg_pci_probe
  85 };
  86
  87 static MODULESETUPPROTO(vmw_xorg_setup);
  88
  89 _X_EXPORT XF86ModuleData vmwgfxModuleData = {
  90     &vmw_xorg_version,
  91     vmw_xorg_setup,
  92     NULL
  93 };
  94
  95 /*
  96  * Xorg driver functions
  97  */
  98
  99 static pointer
 100 vmw_xorg_setup(pointer module, pointer opts, int *errmaj, int *errmin)
 101 {
 102     static Bool setupDone = 0;
 103
 104     /* This module should be loaded only once, but check to be sure.
 105      */
 106     if (!setupDone) {
 107         setupDone = 1;
 108         xf86AddDriver(&vmwgfx, module, HaveDriverFuncs);
 109
 110         /*
 111          * The return value must be non-NULL on success even though there
 112          * is no TearDownProc.
 113          */
 114         return (pointer) 1;
 115     } else {
 116         if (errmaj)
 117             *errmaj = LDR_ONCEONLY;
 118         return NULL;
 119     }
 120 }
 121
 122 static void
 123 vmw_xorg_identify(int flags)
 124 {
 125     xf86PrintChipsets("vmwgfx", "Driver for VMware SVGA device",
 126                       vmw_xorg_chipsets);
 127 }
 128
 129 static Bool
 130 vmw_xorg_pci_probe(DriverPtr driver,
 131           int entity_num, struct pci_device *device, intptr_t match_data)
 132 {
 133     ScrnInfoPtr scrn = NULL;
 134     EntityInfoPtr entity;
 135
 136     scrn = xf86ConfigPciEntity(scrn, 0, entity_num, vmw_xorg_pci_devices,
 137                                NULL, NULL, NULL, NULL, NULL);
 138     if (scrn != NULL) {
 139         scrn->driverVersion = 1;
 140         scrn->driverName = "vmwgfx";
 141         scrn->name = "vmwgfx";
 142         scrn->Probe = NULL;
 143
 144         entity = xf86GetEntityInfo(entity_num);
 145
 146         /* Use all the functions from the xorg tracker */
 147         xorg_tracker_set_functions(scrn);
 148
 149         vmw_screen_set_functions(scrn);
 150     }
 151     return scrn != NULL;
 152 }