workbench/hidds/nouveau/drm/drm-aros/drm_drv.c

   1 /*
   2     Copyright 2009, The AROS Development Team. All rights reserved.
   3     $Id$
   4 */
   5
   6 #include "drmP.h"
   7 #include "drm_aros.h"
   8 #include "drm_global.h"
   9
  10 struct drm_driver *current_drm_driver = NULL;
  11
  12 int drm_lastclose(struct drm_device * dev)
  13 {
  14     if (dev->driver->lastclose)
  15         dev->driver->lastclose(dev);
  16
  17     if (dev->irq_enabled)
  18         drm_irq_uninstall(dev);
  19
  20     return 0;
  21 }
  22
  23 static void drm_cleanup(struct drm_device * dev)
  24 {
  25     drm_lastclose(dev);
  26
  27     if (dev->driver->unload)
  28         dev->driver->unload(dev);
  29
  30     if (drm_core_has_AGP(dev) && dev->agp)
  31     {
  32         kfree(dev->agp);
  33         dev->agp = NULL;
  34     }
  35 }
  36
  37 void drm_exit(struct drm_driver * driver)
  38 {
  39     drm_cleanup(driver->dev);
  40
  41     drm_aros_pci_shutdown(driver);
  42
  43     HIDDNouveauFree(driver->dev->pdev);
  44     HIDDNouveauFree(driver->dev);
  45     driver->dev = NULL;
  46     current_drm_driver = NULL;
  47 }
  48
  49 static int drm_init_device(struct drm_driver * driver)
  50 {
  51     /* If this function is called, the card was already found */
  52     driver->dev = HIDDNouveauAlloc(sizeof(struct drm_device));
  53     struct drm_device * dev = driver->dev;
  54
  55     /* Init fields */
  56     INIT_LIST_HEAD(&dev->maplist);
  57     dev->irq_enabled = 0;
  58     InitSemaphore(&dev->struct_mutex.semaphore);
  59     dev->driver = driver;
  60     dev->pci_vendor = driver->VendorID;
  61     dev->pci_device = driver->ProductID;
  62     dev->pdev = HIDDNouveauAlloc(sizeof(struct pci_dev));
  63     dev->pdev->oopdev = driver->pciDevice;
  64     int ret;
  65
  66     if (drm_core_has_AGP(dev)) {
  67         if (drm_device_is_agp(dev))
  68             dev->agp = drm_agp_init(dev);
  69         if (drm_core_check_feature(dev, DRIVER_REQUIRE_AGP)
  70             && (dev->agp == NULL)) {
  71             DRM_ERROR("Cannot initialize the agpgart module.\n");
  72             return -1;
  73         }
  74     }
  75
  76     if (driver->driver_features & DRIVER_GEM) {
  77         if (drm_gem_init(dev)) {
  78             DRM_ERROR("Cannot initialize graphics execution "
  79                   "manager (GEM)\n");
  80             return -1;
  81         }
  82     }
  83
  84     if (!dev->driver->load)
  85         return -1;
  86
  87     ret = dev->driver->load(dev, 0);
  88     if (ret)
  89         return -1;
  90
  91     if (dev->driver->firstopen)
  92     {
  93         ret = dev->driver->firstopen(dev);
  94         if (ret)
  95             return -1;
  96     }
  97
  98     return 0;
  99 }
 100
 101 int drm_init(struct drm_driver * driver)
 102 {
 103     drm_global_init();
 104
 105     if (drm_aros_pci_init(driver))
 106         return -1;
 107
 108     if (drm_aros_pci_find_supported_video_card(driver))
 109         return -1;
 110
 111     bug("\003\n"); /* Tell vga text mode debug output to die */
 112
 113     if (drm_init_device(driver))
 114     {
 115         drm_exit(driver);
 116         return -1;
 117     }
 118
 119     current_drm_driver = driver;
 120
 121     return 0;
 122 }