nouveau_xorg.c revision eb0a9e9a5a3e1d86bce24cf4839be60ce72d89e3 
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
33static void nouveau_xorg_identify(int flags);
34static Bool nouveau_xorg_pci_probe(DriverPtr driver, int entity_num,
35				   struct pci_device *device,
36				   intptr_t match_data);
37
38static const struct pci_id_match nouveau_xorg_device_match[] = {
39    { 0x10de, PCI_MATCH_ANY, PCI_MATCH_ANY, PCI_MATCH_ANY,
40      0x00030000, 0x00ffffff, 0 },
41    { 0x12d2, PCI_MATCH_ANY, PCI_MATCH_ANY, PCI_MATCH_ANY,
42      0x00030000, 0x00ffffff, 0 },
43    {0, 0, 0},
44};
45
46static SymTabRec nouveau_xorg_chipsets[] = {
47    {PCI_MATCH_ANY, "NVIDIA Graphics Device"},
48    {-1, NULL}
49};
50
51static PciChipsets nouveau_xorg_pci_devices[] = {
52    {PCI_MATCH_ANY, PCI_MATCH_ANY, NULL},
53    {-1, -1, NULL}
54};
55
56static XF86ModuleVersionInfo nouveau_xorg_version = {
57    "modesetting",
58    MODULEVENDORSTRING,
59    MODINFOSTRING1,
60    MODINFOSTRING2,
61    XORG_VERSION_CURRENT,
62    0, 1, 0, /* major, minor, patch */
63    ABI_CLASS_VIDEODRV,
64    ABI_VIDEODRV_VERSION,
65    MOD_CLASS_VIDEODRV,
66    {0, 0, 0, 0}
67};
68
69/*
70 * Xorg driver exported structures
71 */
72
73_X_EXPORT DriverRec modesetting = {
74    1,
75    "modesetting",
76    nouveau_xorg_identify,
77    NULL,
78    xorg_tracker_available_options,
79    NULL,
80    0,
81    NULL,
82    nouveau_xorg_device_match,
83    nouveau_xorg_pci_probe
84};
85
86static MODULESETUPPROTO(nouveau_xorg_setup);
87
88_X_EXPORT XF86ModuleData modesettingModuleData = {
89    &nouveau_xorg_version,
90    nouveau_xorg_setup,
91    NULL
92};
93
94/*
95 * Xorg driver functions
96 */
97
98static pointer
99nouveau_xorg_setup(pointer module, pointer opts, int *errmaj, int *errmin)
100{
101    static Bool setupDone = 0;
102
103    /* This module should be loaded only once, but check to be sure.
104     */
105    if (!setupDone) {
106	setupDone = 1;
107	xf86AddDriver(&modesetting, module, HaveDriverFuncs);
108
109	/*
110	 * The return value must be non-NULL on success even though there
111	 * is no TearDownProc.
112	 */
113	return (pointer) 1;
114    } else {
115	if (errmaj)
116	    *errmaj = LDR_ONCEONLY;
117	return NULL;
118    }
119}
120
121static void
122nouveau_xorg_identify(int flags)
123{
124    xf86PrintChipsets("modesetting", "Driver for Modesetting Kernel Drivers",
125		      nouveau_xorg_chipsets);
126}
127
128static Bool
129nouveau_xorg_pci_probe(DriverPtr driver,
130	  int entity_num, struct pci_device *device, intptr_t match_data)
131{
132    ScrnInfoPtr scrn = NULL;
133    EntityInfoPtr entity;
134
135    scrn = xf86ConfigPciEntity(scrn, 0, entity_num, nouveau_xorg_pci_devices,
136			       NULL, NULL, NULL, NULL, NULL);
137    if (scrn != NULL) {
138	scrn->driverVersion = 1;
139	scrn->driverName = "nouveau";
140	scrn->name = "modesetting";
141	scrn->Probe = NULL;
142
143	entity = xf86GetEntityInfo(entity_num);
144
145	/* Use all the functions from the xorg tracker */
146	xorg_tracker_set_functions(scrn);
147    }
148    return scrn != NULL;
149}
150