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 <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
nouveau_xorg_setup(pointer module,pointer opts,int * errmaj,int * errmin)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
nouveau_xorg_identify(int flags)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
nouveau_xorg_pci_probe(DriverPtr driver,int entity_num,struct pci_device * device,intptr_t match_data)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