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, 0x5E4D, 0xffff, 0xffff, 0, 0, 0},
  42     {0x1002, 0x7249, 0xffff, 0xffff, 0, 0, 0},
  43     {0, 0, 0},
  44 };
  45
  46 static SymTabRec radeon_xorg_chipsets[] = {
  47     {0x5E4D, "Radeon RV410 PCIE (X700)"},
  48     {0x7249, "Radeon R580 PCIE (X1900 XT)"},
  49     {-1, NULL}
  50 };
  51
  52 static PciChipsets radeon_xorg_pci_devices[] = {
  53     {0x5E4D, 0x5E4D, RES_SHARED_VGA},
  54     {0x7249, 0x7249, RES_SHARED_VGA},
  55     {-1, -1, RES_UNDEFINED}
  56 };
  57
  58 static XF86ModuleVersionInfo radeon_xorg_version = {
  59     "modesetting",
  60     MODULEVENDORSTRING,
  61     MODINFOSTRING1,
  62     MODINFOSTRING2,
  63     XORG_VERSION_CURRENT,
  64     0, 1, 0, /* major, minor, patch */
  65     ABI_CLASS_VIDEODRV,
  66     ABI_VIDEODRV_VERSION,
  67     MOD_CLASS_VIDEODRV,
  68     {0, 0, 0, 0}
  69 };
  70
  71 /*
  72  * Xorg driver exported structures
  73  */
  74
  75 _X_EXPORT DriverRec modesetting = {
  76     1,
  77     "modesetting",
  78     radeon_xorg_identify,
  79     NULL,
  80     xorg_tracker_available_options,
  81     NULL,
  82     0,
  83     NULL,
  84     radeon_xorg_device_match,
  85     radeon_xorg_pci_probe
  86 };
  87
  88 static MODULESETUPPROTO(radeon_xorg_setup);
  89
  90 _X_EXPORT XF86ModuleData modesettingModuleData = {
  91     &radeon_xorg_version,
  92     radeon_xorg_setup,
  93     NULL
  94 };
  95
  96 /*
  97  * Xorg driver functions
  98  */
  99
 100 static pointer
 101 radeon_xorg_setup(pointer module, pointer opts, int *errmaj, int *errmin)
 102 {
 103     static Bool setupDone = 0;
 104
 105     /* This module should be loaded only once, but check to be sure.
 106      */
 107     if (!setupDone) {
 108         setupDone = 1;
 109         xf86AddDriver(&modesetting, module, HaveDriverFuncs);
 110
 111         /*
 112          * Tell the loader about symbols from other modules that this module
 113          * might refer to.
 114          */
 115         xorg_tracker_loader_ref_sym_lists();
 116
 117         /*
 118          * The return value must be non-NULL on success even though there
 119          * is no TearDownProc.
 120          */
 121         return (pointer) 1;
 122     } else {
 123         if (errmaj)
 124             *errmaj = LDR_ONCEONLY;
 125         return NULL;
 126     }
 127 }
 128
 129 static void
 130 radeon_xorg_identify(int flags)
 131 {
 132     xf86PrintChipsets("modesetting", "Driver for Modesetting Kernel Drivers",
 133                       radeon_xorg_chipsets);
 134 }
 135
 136 static Bool
 137 radeon_xorg_pci_probe(DriverPtr driver,
 138           int entity_num, struct pci_device *device, intptr_t match_data)
 139 {
 140     ScrnInfoPtr scrn = NULL;
 141     EntityInfoPtr entity;
 142
 143     scrn = xf86ConfigPciEntity(scrn, 0, entity_num, radeon_xorg_pci_devices,
 144                                NULL, NULL, NULL, NULL, NULL);
 145     if (scrn != NULL) {
 146         scrn->driverVersion = 1;
 147         scrn->driverName = "modesetting";
 148         scrn->name = "modesetting";
 149         scrn->Probe = NULL;
 150
 151         entity = xf86GetEntityInfo(entity_num);
 152
 153         /* Use all the functions from the xorg tracker */
 154         xorg_tracker_set_functions(scrn);
 155     }
 156     return scrn != NULL;
 157 }