src/gallium/winsys/drm/radeon/xorg/radeon_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  * Author: Corbin Simpson <MostAwesomedude@gmail.com>
  29  *
  30  */
  31
  32 #include "../../../../state_trackers/xorg/xorg_winsys.h"
  33
  34 static void radeon_xorg_identify(int flags);
  35 static Bool radeon_xorg_pci_probe(DriverPtr driver,
  36                                  int entity_num,
  37                                  struct pci_device *device,
  38                                  intptr_t match_data);
  39
  40 static const struct pci_id_match radeon_xorg_device_match[] = {
  41     {0x1002, PCI_MATCH_ANY, PCI_MATCH_ANY, PCI_MATCH_ANY, 0, 0, 0},
  42     {0, 0, 0},
  43 };
  44
  45 static SymTabRec radeon_xorg_chipsets[] = {
  46     {PCI_MATCH_ANY, "ATI/AMD Radeon Graphics Chipset"},
  47     {-1, NULL}
  48 };
  49
  50 static PciChipsets radeon_xorg_pci_devices[] = {
  51     {PCI_MATCH_ANY, PCI_MATCH_ANY, RES_SHARED_VGA},
  52     {-1, -1, RES_UNDEFINED}
  53 };
  54
  55 static XF86ModuleVersionInfo radeon_xorg_version = {
  56     "modesetting",
  57     MODULEVENDORSTRING,
  58     MODINFOSTRING1,
  59     MODINFOSTRING2,
  60     XORG_VERSION_CURRENT,
  61     0, 1, 0, /* major, minor, patch */
  62     ABI_CLASS_VIDEODRV,
  63     ABI_VIDEODRV_VERSION,
  64     MOD_CLASS_VIDEODRV,
  65     {0, 0, 0, 0}
  66 };
  67
  68 /*
  69  * Xorg driver exported structures
  70  */
  71
  72 _X_EXPORT DriverRec modesetting = {
  73     1,
  74     "modesetting",
  75     radeon_xorg_identify,
  76     NULL,
  77     xorg_tracker_available_options,
  78     NULL,
  79     0,
  80     NULL,
  81     radeon_xorg_device_match,
  82     radeon_xorg_pci_probe
  83 };
  84
  85 static MODULESETUPPROTO(radeon_xorg_setup);
  86
  87 _X_EXPORT XF86ModuleData modesettingModuleData = {
  88     &radeon_xorg_version,
  89     radeon_xorg_setup,
  90     NULL
  91 };
  92
  93 /*
  94  * Xorg driver functions
  95  */
  96
  97 static pointer
  98 radeon_xorg_setup(pointer module, pointer opts, int *errmaj, int *errmin)
  99 {
 100     static Bool setupDone = 0;
 101
 102     /* This module should be loaded only once, but check to be sure.
 103      */
 104     if (!setupDone) {
 105         setupDone = 1;
 106         xf86AddDriver(&modesetting, module, HaveDriverFuncs);
 107
 108         /*
 109          * Tell the loader about symbols from other modules that this module
 110          * might refer to.
 111          */
 112         xorg_tracker_loader_ref_sym_lists();
 113
 114         /*
 115          * The return value must be non-NULL on success even though there
 116          * is no TearDownProc.
 117          */
 118         return (pointer) 1;
 119     } else {
 120         if (errmaj)
 121             *errmaj = LDR_ONCEONLY;
 122         return NULL;
 123     }
 124 }
 125
 126 static void
 127 radeon_xorg_identify(int flags)
 128 {
 129     xf86PrintChipsets("modesetting", "Driver for Modesetting Kernel Drivers",
 130                       radeon_xorg_chipsets);
 131 }
 132
 133 static Bool
 134 radeon_xorg_pci_probe(DriverPtr driver,
 135           int entity_num, struct pci_device *device, intptr_t match_data)
 136 {
 137     ScrnInfoPtr scrn = NULL;
 138     EntityInfoPtr entity;
 139
 140     scrn = xf86ConfigPciEntity(scrn, 0, entity_num, radeon_xorg_pci_devices,
 141                                NULL, NULL, NULL, NULL, NULL);
 142     if (scrn != NULL) {
 143         scrn->driverVersion = 1;
 144         scrn->driverName = "modesetting";
 145         scrn->name = "modesetting";
 146         scrn->Probe = NULL;
 147
 148         entity = xf86GetEntityInfo(entity_num);
 149
 150         /* Use all the functions from the xorg tracker */
 151         xorg_tracker_set_functions(scrn);
 152     }
 153     return scrn != NULL;
 154 }