src/gallium/targets/xorg-nouveau/nouveau_xorg.c

   1 /*
   2  * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
   3  * All Rights Reserved.
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a
   6  * copy of this software and associated documentation files (the
   7  * "Software"), to deal in the Software without restriction, including
   8  * without limitation the rights to use, copy, modify, merge, publish,
   9  * distribute, sub license, and/or sell copies of the Software, and to
  10  * permit persons to whom the Software is furnished to do so, subject to
  11  * the following conditions:
  12  *
  13  * The above copyright notice and this permission notice (including the
  14  * next paragraph) shall be included in all copies or substantial portions
  15  * of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  18  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  19  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  20  * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
  21  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  22  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  23  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  24  *
  25  *
  26  * Author: Alan Hourihane <alanh@tungstengraphics.com>
  27  * Author: Jakob Bornecrantz <wallbraker@gmail.com>
  28  *
  29  */
  30
  31 #include "../../state_trackers/xorg/xorg_winsys.h"
  32
  33 static void nouveau_xorg_identify(int flags);
  34 static Bool nouveau_xorg_pci_probe(DriverPtr driver, int entity_num,
  35                                    struct pci_device *device,
  36                                    intptr_t match_data);
  37
  38 static const struct pci_id_match nouveau_xorg_device_match[] = {
  39     { 0x10de, PCI_MATCH_ANY, PCI_MATCH_ANY, PCI_MATCH_ANY,
  40       0x00030000, 0x00ffffff, 0 },
  41     { 0x12d2, PCI_MATCH_ANY, PCI_MATCH_ANY, PCI_MATCH_ANY,
  42       0x00030000, 0x00ffffff, 0 },
  43     {0, 0, 0},
  44 };
  45
  46 static SymTabRec nouveau_xorg_chipsets[] = {
  47     {PCI_MATCH_ANY, "NVIDIA Graphics Device"},
  48     {-1, NULL}
  49 };
  50
  51 static PciChipsets nouveau_xorg_pci_devices[] = {
  52     {PCI_MATCH_ANY, PCI_MATCH_ANY, NULL},
  53     {-1, -1, NULL}
  54 };
  55
  56 static XF86ModuleVersionInfo nouveau_xorg_version = {
  57     "modesetting",
  58     MODULEVENDORSTRING,
  59     MODINFOSTRING1,
  60     MODINFOSTRING2,
  61     XORG_VERSION_CURRENT,
  62     0, 1, 0, /* major, minor, patch */
  63     ABI_CLASS_VIDEODRV,
  64     ABI_VIDEODRV_VERSION,
  65     MOD_CLASS_VIDEODRV,
  66     {0, 0, 0, 0}
  67 };
  68
  69 /*
  70  * Xorg driver exported structures
  71  */
  72
  73 _X_EXPORT DriverRec modesetting = {
  74     1,
  75     "modesetting",
  76     nouveau_xorg_identify,
  77     NULL,
  78     xorg_tracker_available_options,
  79     NULL,
  80     0,
  81     NULL,
  82     nouveau_xorg_device_match,
  83     nouveau_xorg_pci_probe
  84 };
  85
  86 static MODULESETUPPROTO(nouveau_xorg_setup);
  87
  88 _X_EXPORT XF86ModuleData modesettingModuleData = {
  89     &nouveau_xorg_version,
  90     nouveau_xorg_setup,
  91     NULL
  92 };
  93
  94 /*
  95  * Xorg driver functions
  96  */
  97
  98 static pointer
  99 nouveau_xorg_setup(pointer module, pointer opts, int *errmaj, int *errmin)
 100 {
 101     static Bool setupDone = 0;
 102
 103     /* This module should be loaded only once, but check to be sure.
 104      */
 105     if (!setupDone) {
 106         setupDone = 1;
 107         xf86AddDriver(&modesetting, module, HaveDriverFuncs);
 108
 109         /*
 110          * The return value must be non-NULL on success even though there
 111          * is no TearDownProc.
 112          */
 113         return (pointer) 1;
 114     } else {
 115         if (errmaj)
 116             *errmaj = LDR_ONCEONLY;
 117         return NULL;
 118     }
 119 }
 120
 121 static void
 122 nouveau_xorg_identify(int flags)
 123 {
 124     xf86PrintChipsets("modesetting", "Driver for Modesetting Kernel Drivers",
 125                       nouveau_xorg_chipsets);
 126 }
 127
 128 static Bool
 129 nouveau_xorg_pci_probe(DriverPtr driver,
 130           int entity_num, struct pci_device *device, intptr_t match_data)
 131 {
 132     ScrnInfoPtr scrn = NULL;
 133     EntityInfoPtr entity;
 134
 135     scrn = xf86ConfigPciEntity(scrn, 0, entity_num, nouveau_xorg_pci_devices,
 136                                NULL, NULL, NULL, NULL, NULL);
 137     if (scrn != NULL) {
 138         scrn->driverVersion = 1;
 139         scrn->driverName = "i915";
 140         scrn->name = "modesetting";
 141         scrn->Probe = NULL;
 142
 143         entity = xf86GetEntityInfo(entity_num);
 144
 145         /* Use all the functions from the xorg tracker */
 146         xorg_tracker_set_functions(scrn);
 147     }
 148     return scrn != NULL;
 149 }