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
34static void r300_xorg_identify(int flags);
35static Bool r300_xorg_pci_probe(DriverPtr driver,
36				 int entity_num,
37				 struct pci_device *device,
38				 intptr_t match_data);
39
40static const struct pci_id_match r300_xorg_device_match[] = {
41    {0x1002, PCI_MATCH_ANY, PCI_MATCH_ANY, PCI_MATCH_ANY, 0, 0, 0},
42    {0, 0, 0},
43};
44
45static SymTabRec r300_xorg_chipsets[] = {
46    {PCI_MATCH_ANY, "ATI R300 Graphics Chipset"},
47    {-1, NULL}
48};
49
50static PciChipsets r300_xorg_pci_devices[] = {
51    {PCI_MATCH_ANY, PCI_MATCH_ANY, NULL},
52    {-1, -1, NULL}
53};
54
55static XF86ModuleVersionInfo r300_xorg_version = {
56    "r300",
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 r300_driver = {
73    1,
74    "r300",
75    r300_xorg_identify,
76    NULL,
77    xorg_tracker_available_options,
78    NULL,
79    0,
80    NULL,
81    r300_xorg_device_match,
82    r300_xorg_pci_probe
83};
84
85static MODULESETUPPROTO(r300_xorg_setup);
86
87_X_EXPORT XF86ModuleData r300ModuleData = {
88    &r300_xorg_version,
89    r300_xorg_setup,
90    NULL
91};
92
93/*
94 * Xorg driver functions
95 */
96
97static pointer
98r300_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(&r300_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
120static void
121r300_xorg_identify(int flags)
122{
123    xf86PrintChipsets("r300", "Driver for Radeon Gallium with KMS",
124		      r300_xorg_chipsets);
125}
126
127static Bool
128r300_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, r300_xorg_pci_devices,
135			       NULL, NULL, NULL, NULL, NULL);
136    if (scrn != NULL) {
137	scrn->driverVersion = 1;
138	scrn->driverName = "r300";
139	scrn->name = "r300";
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