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 * Author: Corbin Simpson <MostAwesomedude@gmail.com>
29 *
30 */
31
32 #include "../../state_trackers/xorg/xorg_winsys.h"
33
34 static void r600_xorg_identify(int flags);
35 static Bool r600_xorg_pci_probe(DriverPtr driver,
36 int entity_num,
37 struct pci_device *device,
38 intptr_t match_data);
39
40 static const struct pci_id_match r600_xorg_device_match[] = {
41 {0x1002, PCI_MATCH_ANY, PCI_MATCH_ANY, PCI_MATCH_ANY, 0, 0, 0},
42 {0, 0, 0},
43 };
44
45 static SymTabRec r600_xorg_chipsets[] = {
46 {PCI_MATCH_ANY, "AMD R6xx Graphics Chipset"},
47 {-1, NULL}
48 };
49
50 static PciChipsets r600_xorg_pci_devices[] = {
51 {PCI_MATCH_ANY, PCI_MATCH_ANY, NULL},
52 {-1, -1, NULL}
53 };
54
55 static XF86ModuleVersionInfo r600_xorg_version = {
56 "r600g",
57 MODULEVENDORSTRING,
58 MODINFOSTRING1,
59 MODINFOSTRING2,
60 XORG_VERSION_CURRENT,
61 0, 1, 0, /* major, minor, patch */
62 ABI_CLASS_VIDEODRV,
63 ABI_VIDEODRV_VERSION,
64 MOD_CLASS_VIDEODRV,
65 {0, 0, 0, 0}
66 };
67
68 /*
69 * Xorg driver exported structures
70 */
71
72 _X_EXPORT DriverRec r600_driver = {
73 1,
74 "r600g",
75 r600_xorg_identify,
76 NULL,
77 xorg_tracker_available_options,
78 NULL,
79 0,
80 NULL,
81 r600_xorg_device_match,
82 r600_xorg_pci_probe
83 };
84
85 static MODULESETUPPROTO(r600_xorg_setup);
86
87 _X_EXPORT XF86ModuleData r600gModuleData = {
88 &r600_xorg_version,
89 r600_xorg_setup,
90 NULL
91 };
92
93 /*
94 * Xorg driver functions
95 */
96
97 static pointer
r600_xorg_setup(pointer module,pointer opts,int * errmaj,int * errmin)98 r600_xorg_setup(pointer module, pointer opts, int *errmaj, int *errmin)
99 {
100 static Bool setupDone = 0;
101
102 /* This module should be loaded only once, but check to be sure.
103 */
104 if (!setupDone) {
105 setupDone = 1;
106 xf86AddDriver(&r600_driver, module, HaveDriverFuncs);
107
108 /*
109 * The return value must be non-NULL on success even though there
110 * is no TearDownProc.
111 */
112 return (pointer) 1;
113 } else {
114 if (errmaj)
115 *errmaj = LDR_ONCEONLY;
116 return NULL;
117 }
118 }
119
120 static void
r600_xorg_identify(int flags)121 r600_xorg_identify(int flags)
122 {
123 xf86PrintChipsets("r600", "Driver for R6xx Gallium with KMS",
124 r600_xorg_chipsets);
125 }
126
127 static Bool
r600_xorg_pci_probe(DriverPtr driver,int entity_num,struct pci_device * device,intptr_t match_data)128 r600_xorg_pci_probe(DriverPtr driver,
129 int entity_num, struct pci_device *device, intptr_t match_data)
130 {
131 ScrnInfoPtr scrn = NULL;
132 EntityInfoPtr entity;
133
134 scrn = xf86ConfigPciEntity(scrn, 0, entity_num, r600_xorg_pci_devices,
135 NULL, NULL, NULL, NULL, NULL);
136 if (scrn != NULL) {
137 scrn->driverVersion = 1;
138 scrn->driverName = "r600";
139 scrn->name = "R600G";
140 scrn->Probe = NULL;
141
142 entity = xf86GetEntityInfo(entity_num);
143
144 /* Use all the functions from the xorg tracker */
145 xorg_tracker_set_functions(scrn);
146 }
147 return scrn != NULL;
148 }
149