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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.  *
  29.  */
  30.  
  31. #include "../../state_trackers/xorg/xorg_winsys.h"
  32. #include <nouveau.h>
  33. #include <dri.h>
  34. #include <xf86drmMode.h>
  35.  
  36. static void nouveau_xorg_identify(int flags);
  37. static Bool nouveau_xorg_pci_probe(DriverPtr driver, int entity_num,
  38.                                    struct pci_device *device,
  39.                                    intptr_t match_data);
  40.  
  41. static const struct pci_id_match nouveau_xorg_device_match[] = {
  42.     { 0x10de, PCI_MATCH_ANY, PCI_MATCH_ANY, PCI_MATCH_ANY,
  43.       0x00030000, 0x00ffffff, 0 },
  44.     {0, 0, 0},
  45. };
  46.  
  47. static PciChipsets nouveau_xorg_pci_devices[] = {
  48.     {PCI_MATCH_ANY, PCI_MATCH_ANY, NULL},
  49.     {-1, -1, NULL}
  50. };
  51.  
  52. static XF86ModuleVersionInfo nouveau_xorg_version = {
  53.     "nouveau2",
  54.     MODULEVENDORSTRING,
  55.     MODINFOSTRING1,
  56.     MODINFOSTRING2,
  57.     XORG_VERSION_CURRENT,
  58.     0, 1, 0, /* major, minor, patch */
  59.     ABI_CLASS_VIDEODRV,
  60.     ABI_VIDEODRV_VERSION,
  61.     MOD_CLASS_VIDEODRV,
  62.     {0, 0, 0, 0}
  63. };
  64.  
  65. /*
  66.  * Xorg driver exported structures
  67.  */
  68.  
  69. _X_EXPORT DriverRec nouveau2 = {
  70.     1,
  71.     "nouveau2",
  72.     nouveau_xorg_identify,
  73.     NULL,
  74.     xorg_tracker_available_options,
  75.     NULL,
  76.     0,
  77.     NULL,
  78.     nouveau_xorg_device_match,
  79.     nouveau_xorg_pci_probe
  80. };
  81.  
  82. static MODULESETUPPROTO(nouveau_xorg_setup);
  83.  
  84. _X_EXPORT XF86ModuleData nouveau2ModuleData = {
  85.     &nouveau_xorg_version,
  86.     nouveau_xorg_setup,
  87.     NULL
  88. };
  89.  
  90. /*
  91.  * Xorg driver functions
  92.  */
  93.  
  94. static pointer
  95. nouveau_xorg_setup(pointer module, pointer opts, int *errmaj, int *errmin)
  96. {
  97.     static Bool setupDone = 0;
  98.  
  99.     /* This module should be loaded only once, but check to be sure.
  100.      */
  101.     if (!setupDone) {
  102.         setupDone = 1;
  103.         xf86AddDriver(&nouveau2, module, HaveDriverFuncs);
  104.  
  105.         /*
  106.          * The return value must be non-NULL on success even though there
  107.          * is no TearDownProc.
  108.          */
  109.         return (pointer) 1;
  110.     } else {
  111.         if (errmaj)
  112.             *errmaj = LDR_ONCEONLY;
  113.         return NULL;
  114.     }
  115. }
  116.  
  117. static void
  118. nouveau_xorg_identify(int flags)
  119. {
  120.     xf86DrvMsg(0, X_INFO, "nouveau2: Gallium3D based 2D driver for NV30+ NVIDIA chipsets\n");
  121. }
  122.  
  123. static Bool
  124. nouveau_xorg_pci_probe(DriverPtr driver,
  125.           int entity_num, struct pci_device *device, intptr_t match_data)
  126. {
  127.     ScrnInfoPtr scrn = NULL;
  128.     EntityInfoPtr entity;
  129.     struct nouveau_device *dev = NULL;
  130.     char *busid;
  131.     int chipset, ret;
  132.  
  133.     if (device->vendor_id != 0x10DE)
  134.         return FALSE;
  135.  
  136.     if (!xf86LoaderCheckSymbol("DRICreatePCIBusID")) {
  137.         xf86DrvMsg(-1, X_ERROR, "[drm] No DRICreatePCIBusID symbol\n");
  138.         return FALSE;
  139.     }
  140.     busid = DRICreatePCIBusID(device);
  141.  
  142.     ret = nouveau_device_open(busid, &dev);
  143.     if (ret) {
  144.         xf86DrvMsg(-1, X_ERROR, "[drm] failed to open device\n");
  145.         free(busid);
  146.         return FALSE;
  147.     }
  148.  
  149.     chipset = dev->chipset;
  150.     nouveau_device_del(&dev);
  151.  
  152.     ret = drmCheckModesettingSupported(busid);
  153.     free(busid);
  154.     if (ret) {
  155.         xf86DrvMsg(-1, X_ERROR, "[drm] KMS not enabled\n");
  156.         return FALSE;
  157.     }
  158.  
  159.     switch (chipset & 0xf0) {
  160.     case 0x00:
  161.     case 0x10:
  162.     case 0x20:
  163.         xf86DrvMsg(-1, X_NOTICE, "Too old chipset: NV%02x\n", chipset);
  164.         return FALSE;
  165.     case 0x30:
  166.     case 0x40:
  167.     case 0x60:
  168.     case 0x50:
  169.     case 0x80:
  170.     case 0x90:
  171.     case 0xa0:
  172.     case 0xc0:
  173.         xf86DrvMsg(-1, X_INFO, "Detected chipset: NV%02x\n", chipset);
  174.         break;
  175.     default:
  176.         xf86DrvMsg(-1, X_ERROR, "Unknown chipset: NV%02x\n", chipset);
  177.         return FALSE;
  178.     }
  179.  
  180.     scrn = xf86ConfigPciEntity(scrn, 0, entity_num, nouveau_xorg_pci_devices,
  181.                                NULL, NULL, NULL, NULL, NULL);
  182.     if (scrn != NULL) {
  183.         scrn->driverVersion = 1;
  184.         scrn->driverName = "nouveau";
  185.         scrn->name = "nouveau2";
  186.         scrn->Probe = NULL;
  187.  
  188.         entity = xf86GetEntityInfo(entity_num);
  189.  
  190.         /* Use all the functions from the xorg tracker */
  191.         xorg_tracker_set_functions(scrn);
  192.     }
  193.     return scrn != NULL;
  194. }
  195.