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  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 radeonsi_xorg_identify(int flags);
  35. static Bool radeonsi_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 radeonsi_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 radeonsi_xorg_chipsets[] = {
  46.     {PCI_MATCH_ANY, "AMD Southern Islands Graphics Chipset"},
  47.     {-1, NULL}
  48. };
  49.  
  50. static PciChipsets radeonsi_xorg_pci_devices[] = {
  51.     {PCI_MATCH_ANY, PCI_MATCH_ANY, NULL},
  52.     {-1, -1, NULL}
  53. };
  54.  
  55. static XF86ModuleVersionInfo radeonsi_xorg_version = {
  56.     "radeonsi",
  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 radeonsi_driver = {
  73.     1,
  74.     "radeonsi",
  75.     radeonsi_xorg_identify,
  76.     NULL,
  77.     xorg_tracker_available_options,
  78.     NULL,
  79.     0,
  80.     NULL,
  81.     radeonsi_xorg_device_match,
  82.     radeonsi_xorg_pci_probe
  83. };
  84.  
  85. static MODULESETUPPROTO(radeonsi_xorg_setup);
  86.  
  87. _X_EXPORT XF86ModuleData radeonsiModuleData = {
  88.     &radeonsi_xorg_version,
  89.     radeonsi_xorg_setup,
  90.     NULL
  91. };
  92.  
  93. /*
  94.  * Xorg driver functions
  95.  */
  96.  
  97. static pointer
  98. radeonsi_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(&radeonsi_driver, module, HaveDriverFuncs);
  107.  
  108.         /*
  109.          * The return value must be non-NULL on success even though there
  110.          * is no TearDownProc.
  111.          */
  112.         return (pointer) 1;
  113.     } else {
  114.         if (errmaj)
  115.             *errmaj = LDR_ONCEONLY;
  116.         return NULL;
  117.     }
  118. }
  119.  
  120. static void
  121. radeonsi_xorg_identify(int flags)
  122. {
  123.     xf86PrintChipsets("radeonsi", "Driver for AMD Radeon SI Gallium with KMS",
  124.                       radeonsi_xorg_chipsets);
  125. }
  126.  
  127. static Bool
  128. radeonsi_xorg_pci_probe(DriverPtr driver,
  129.           int entity_num, struct pci_device *device, intptr_t match_data)
  130. {
  131.     ScrnInfoPtr scrn = NULL;
  132.     EntityInfoPtr entity;
  133.  
  134.     scrn = xf86ConfigPciEntity(scrn, 0, entity_num, radeonsi_xorg_pci_devices,
  135.                                NULL, NULL, NULL, NULL, NULL);
  136.     if (scrn != NULL) {
  137.         scrn->driverVersion = 1;
  138.         scrn->driverName = "radeonsi";
  139.         scrn->name = "RADEONSI";
  140.         scrn->Probe = NULL;
  141.  
  142.         entity = xf86GetEntityInfo(entity_num);
  143.  
  144.         /* Use all the functions from the xorg tracker */
  145.         xorg_tracker_set_functions(scrn);
  146.     }
  147.     return scrn != NULL;
  148. }
  149.