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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 (at) tungstengraphics.com>
     27  * Author: Jakob Bornecrantz <wallbraker (at) gmail.com>
     28  *
     29  */
     30 
     31 #include "../../state_trackers/xorg/xorg_winsys.h"
     32 
     33 static void intel_xorg_identify(int flags);
     34 static Bool intel_xorg_pci_probe(DriverPtr driver,
     35 				 int entity_num,
     36 				 struct pci_device *device,
     37 				 intptr_t match_data);
     38 
     39 static const struct pci_id_match intel_xorg_device_match[] = {
     40     {0x8086, PCI_MATCH_ANY, PCI_MATCH_ANY, PCI_MATCH_ANY, 0, 0, 0},
     41     {0, 0, 0},
     42 };
     43 
     44 static SymTabRec intel_xorg_chipsets[] = {
     45     {PCI_MATCH_ANY, "Intel Graphics Device"},
     46     {-1, NULL}
     47 };
     48 
     49 static PciChipsets intel_xorg_pci_devices[] = {
     50     {PCI_MATCH_ANY, PCI_MATCH_ANY, NULL},
     51     {-1, -1, NULL}
     52 };
     53 
     54 static XF86ModuleVersionInfo intel_xorg_version = {
     55     "i915",
     56     MODULEVENDORSTRING,
     57     MODINFOSTRING1,
     58     MODINFOSTRING2,
     59     XORG_VERSION_CURRENT,
     60     0, 1, 0, /* major, minor, patch */
     61     ABI_CLASS_VIDEODRV,
     62     ABI_VIDEODRV_VERSION,
     63     MOD_CLASS_VIDEODRV,
     64     {0, 0, 0, 0}
     65 };
     66 
     67 /*
     68  * Xorg driver exported structures
     69  */
     70 
     71 _X_EXPORT DriverRec modesetting = {
     72     1,
     73     "modesetting",
     74     intel_xorg_identify,
     75     NULL,
     76     xorg_tracker_available_options,
     77     NULL,
     78     0,
     79     NULL,
     80     intel_xorg_device_match,
     81     intel_xorg_pci_probe
     82 };
     83 
     84 static MODULESETUPPROTO(intel_xorg_setup);
     85 
     86 _X_EXPORT XF86ModuleData modesettingModuleData = {
     87     &intel_xorg_version,
     88     intel_xorg_setup,
     89     NULL
     90 };
     91 
     92 /*
     93  * Xorg driver functions
     94  */
     95 
     96 static pointer
     97 intel_xorg_setup(pointer module, pointer opts, int *errmaj, int *errmin)
     98 {
     99     static Bool setupDone = 0;
    100 
    101     /* This module should be loaded only once, but check to be sure.
    102      */
    103     if (!setupDone) {
    104 	setupDone = 1;
    105 	xf86AddDriver(&modesetting, module, HaveDriverFuncs);
    106 
    107 	/*
    108 	 * The return value must be non-NULL on success even though there
    109 	 * is no TearDownProc.
    110 	 */
    111 	return (pointer) 1;
    112     } else {
    113 	if (errmaj)
    114 	    *errmaj = LDR_ONCEONLY;
    115 	return NULL;
    116     }
    117 }
    118 
    119 static void
    120 intel_xorg_identify(int flags)
    121 {
    122     xf86PrintChipsets("modesetting", "Driver for Modesetting Kernel Drivers",
    123 		      intel_xorg_chipsets);
    124 }
    125 
    126 static Bool
    127 intel_xorg_pci_probe(DriverPtr driver,
    128 	  int entity_num, struct pci_device *device, intptr_t match_data)
    129 {
    130     ScrnInfoPtr scrn = NULL;
    131     EntityInfoPtr entity;
    132 
    133     scrn = xf86ConfigPciEntity(scrn, 0, entity_num, intel_xorg_pci_devices,
    134 			       NULL, NULL, NULL, NULL, NULL);
    135     if (scrn != NULL) {
    136 	scrn->driverVersion = 1;
    137 	scrn->driverName = "i915";
    138 	scrn->name = "modesetting";
    139 	scrn->Probe = NULL;
    140 
    141 	entity = xf86GetEntityInfo(entity_num);
    142 
    143 	/* Use all the functions from the xorg tracker */
    144 	xorg_tracker_set_functions(scrn);
    145     }
    146     return scrn != NULL;
    147 }
    148