src/gallium/targets/xorg-nouveau/nouveau_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  *
  29  */
  30
  31 #include "../../state_trackers/xorg/xorg_winsys.h"
  32 #include <nouveau_drmif.h>
  33 #include <xorg/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(&dev, busid);
 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_close(&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 }