src/gallium/winsys/drm/intel/xorg/intel_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 intel_xorg_identify(int flags);
  34 static Bool intel_xorg_pci_probe(DriverPtr driver,
  35                                  int entity_num,
  36                                  struct pci_device *device,
  37                                  intptr_t match_data);
  38
  39 static const struct pci_id_match intel_xorg_device_match[] = {
  40     {0x8086, PCI_MATCH_ANY, PCI_MATCH_ANY, PCI_MATCH_ANY, 0, 0, 0},
  41     {0, 0, 0},
  42 };
  43
  44 static SymTabRec intel_xorg_chipsets[] = {
  45     {PCI_MATCH_ANY, "Intel Graphics Device"},
  46     {-1, NULL}
  47 };
  48
  49 static PciChipsets intel_xorg_pci_devices[] = {
  50     {PCI_MATCH_ANY, PCI_MATCH_ANY, NULL},
  51     {-1, -1, NULL}
  52 };
  53
  54 static XF86ModuleVersionInfo intel_xorg_version = {
  55     "modesetting",
  56     MODULEVENDORSTRING,
  57     MODINFOSTRING1,
  58     MODINFOSTRING2,
  59     XORG_VERSION_CURRENT,
  60     0, 1, 0, /* major, minor, patch */
  61     ABI_CLASS_VIDEODRV,
  62     ABI_VIDEODRV_VERSION,
  63     MOD_CLASS_VIDEODRV,
  64     {0, 0, 0, 0}
  65 };
  66
  67 /*
  68  * Xorg driver exported structures
  69  */
  70
  71 _X_EXPORT DriverRec modesetting = {
  72     1,
  73     "modesetting",
  74     intel_xorg_identify,
  75     NULL,
  76     xorg_tracker_available_options,
  77     NULL,
  78     0,
  79     NULL,
  80     intel_xorg_device_match,
  81     intel_xorg_pci_probe
  82 };
  83
  84 static MODULESETUPPROTO(intel_xorg_setup);
  85
  86 _X_EXPORT XF86ModuleData modesettingModuleData = {
  87     &intel_xorg_version,
  88     intel_xorg_setup,
  89     NULL
  90 };
  91
  92 /*
  93  * Xorg driver functions
  94  */
  95
  96 static pointer
  97 intel_xorg_setup(pointer module, pointer opts, int *errmaj, int *errmin)
  98 {
  99     static Bool setupDone = 0;
 100
 101     /* This module should be loaded only once, but check to be sure.
 102      */
 103     if (!setupDone) {
 104         setupDone = 1;
 105         xf86AddDriver(&modesetting, module, HaveDriverFuncs);
 106
 107         /*
 108          * The return value must be non-NULL on success even though there
 109          * is no TearDownProc.
 110          */
 111         return (pointer) 1;
 112     } else {
 113         if (errmaj)
 114             *errmaj = LDR_ONCEONLY;
 115         return NULL;
 116     }
 117 }
 118
 119 static void
 120 intel_xorg_identify(int flags)
 121 {
 122     xf86PrintChipsets("modesetting", "Driver for Modesetting Kernel Drivers",
 123                       intel_xorg_chipsets);
 124 }
 125
 126 static Bool
 127 intel_xorg_pci_probe(DriverPtr driver,
 128           int entity_num, struct pci_device *device, intptr_t match_data)
 129 {
 130     ScrnInfoPtr scrn = NULL;
 131     EntityInfoPtr entity;
 132
 133     scrn = xf86ConfigPciEntity(scrn, 0, entity_num, intel_xorg_pci_devices,
 134                                NULL, NULL, NULL, NULL, NULL);
 135     if (scrn != NULL) {
 136         scrn->driverVersion = 1;
 137         scrn->driverName = "i915";
 138         scrn->name = "modesetting";
 139         scrn->Probe = NULL;
 140
 141         entity = xf86GetEntityInfo(entity_num);
 142
 143         /* Use all the functions from the xorg tracker */
 144         xorg_tracker_set_functions(scrn);
 145     }
 146     return scrn != NULL;
 147 }