summaryrefslogtreecommitdiff
path: root/src/radeon_probe.c
blob: 041bab67f39b407ebe8e70a86cafb12f4043629d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
/*
 * Copyright 2000 ATI Technologies Inc., Markham, Ontario, and
 *                VA Linux Systems Inc., Fremont, California.
 *
 * All Rights Reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation on the rights to use, copy, modify, merge,
 * publish, distribute, sublicense, and/or sell copies of the Software,
 * and to permit persons to whom the Software is furnished to do so,
 * subject to the following conditions:
 *
 * The above copyright notice and this permission notice (including the
 * next paragraph) shall be included in all copies or substantial
 * portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NON-INFRINGEMENT.  IN NO EVENT SHALL ATI, VA LINUX SYSTEMS AND/OR
 * THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 */

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include <string.h>

/*
 * Authors:
 *   Kevin E. Martin <martin@xfree86.org>
 *   Rickard E. Faith <faith@valinux.com>
 */

#include "radeon_probe.h"
#include "radeon_version.h"
#include "atipciids.h"
#include "atipcirename.h"

#include "xf86.h"
#include "xf86Resources.h"

#include "radeon_chipset_gen.h"

#include "radeon_pci_chipset_gen.h"

#ifdef XSERVER_LIBPCIACCESS
#include "radeon_pci_device_match_gen.h"
#endif

#ifndef XSERVER_LIBPCIACCESS
static Bool RADEONProbe(DriverPtr drv, int flags);
#endif

_X_EXPORT int gRADEONEntityIndex = -1;

/* Return the options for supported chipset 'n'; NULL otherwise */
static const OptionInfoRec *
RADEONAvailableOptions(int chipid, int busid)
{
    return RADEONOptionsWeak();
}

/* Return the string name for supported chipset 'n'; NULL otherwise. */
static void
RADEONIdentify(int flags)
{
    xf86PrintChipsets(RADEON_NAME,
		      "Driver for ATI Radeon chipsets",
		      RADEONChipsets);
}

static Bool
radeon_get_scrninfo(int entity_num)
{
    ScrnInfoPtr   pScrn = NULL;
    EntityInfoPtr pEnt;

    pScrn = xf86ConfigPciEntity(pScrn, 0, entity_num, RADEONPciChipsets,
                                NULL,
                                NULL, NULL, NULL, NULL);

    if (!pScrn)
        return FALSE;

    pScrn->driverVersion = RADEON_VERSION_CURRENT;
    pScrn->driverName    = RADEON_DRIVER_NAME;
    pScrn->name          = RADEON_NAME;
#ifdef XSERVER_LIBPCIACCESS
    pScrn->Probe         = NULL;
#else
    pScrn->Probe         = RADEONProbe;
#endif
    pScrn->PreInit       = RADEONPreInit;
    pScrn->ScreenInit    = RADEONScreenInit;
    pScrn->SwitchMode    = RADEONSwitchMode;
    pScrn->AdjustFrame   = RADEONAdjustFrame;
    pScrn->EnterVT       = RADEONEnterVT;
    pScrn->LeaveVT       = RADEONLeaveVT;
    pScrn->FreeScreen    = RADEONFreeScreen;
    pScrn->ValidMode     = RADEONValidMode;

    pEnt = xf86GetEntityInfo(entity_num);

    /* Create a RADEONEntity for all chips, even with old single head
     * Radeon, need to use pRADEONEnt for new monitor detection routines.
     */
    {
        DevUnion    *pPriv;
        RADEONEntPtr pRADEONEnt;

        xf86SetEntitySharable(entity_num);

        if (gRADEONEntityIndex == -1)
            gRADEONEntityIndex = xf86AllocateEntityPrivateIndex();

        pPriv = xf86GetEntityPrivate(pEnt->index,
                                     gRADEONEntityIndex);

        if (!pPriv->ptr) {
            int j;
            int instance = xf86GetNumEntityInstances(pEnt->index);

            for (j = 0; j < instance; j++)
                xf86SetEntityInstanceForScreen(pScrn, pEnt->index, j);

            pPriv->ptr = xnfcalloc(sizeof(RADEONEntRec), 1);
            pRADEONEnt = pPriv->ptr;
            pRADEONEnt->HasSecondary = FALSE;
        } else {
            pRADEONEnt = pPriv->ptr;
            pRADEONEnt->HasSecondary = TRUE;
        }
    }

    xfree(pEnt);

    return TRUE;
}

#ifndef XSERVER_LIBPCIACCESS

/* Return TRUE if chipset is present; FALSE otherwise. */
static Bool
RADEONProbe(DriverPtr drv, int flags)
{
    int      numUsed;
    int      numDevSections;
    int     *usedChips;
    GDevPtr *devSections;
    Bool     foundScreen = FALSE;
    int      i;

    if (!xf86GetPciVideoInfo()) return FALSE;

    numDevSections = xf86MatchDevice(RADEON_NAME, &devSections);

    if (!numDevSections) return FALSE;

    numUsed = xf86MatchPciInstances(RADEON_NAME,
				    PCI_VENDOR_ATI,
				    RADEONChipsets,
				    RADEONPciChipsets,
				    devSections,
				    numDevSections,
				    drv,
				    &usedChips);

    if (numUsed <= 0) return FALSE;

    if (flags & PROBE_DETECT) {
	foundScreen = TRUE;
    } else {
	for (i = 0; i < numUsed; i++) {
	    if (radeon_get_scrninfo(usedChips[i]))
		foundScreen = TRUE;
	}
    }

    xfree(usedChips);
    xfree(devSections);

    return foundScreen;
}

#else /* XSERVER_LIBPCIACCESS */

static Bool
radeon_pci_probe(
    DriverPtr          pDriver,
    int                entity_num,
    struct pci_device *device,
    intptr_t           match_data
)
{
    return radeon_get_scrninfo(entity_num);
}

#endif /* XSERVER_LIBPCIACCESS */

_X_EXPORT DriverRec RADEON =
{
    RADEON_VERSION_CURRENT,
    RADEON_DRIVER_NAME,
    RADEONIdentify,
#ifdef XSERVER_LIBPCIACCESS
    NULL,
#else
    RADEONProbe,
#endif
    RADEONAvailableOptions,
    NULL,
    0,
    NULL,
#ifdef XSERVER_LIBPCIACCESS
    radeon_device_match,
    radeon_pci_probe
#endif
};