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
|
/* -*- c-basic-offset: 4 -*- */
#define DEBUG_VERB 2
/*
* Copyright © 2002 David Dawes
* Copyright © 2006 Intel Corporation
*
* 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
* 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 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 NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHOR(S) 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.
*
* Except as contained in this notice, the name of the author(s) shall
* not be used in advertising or otherwise to promote the sale, use or other
* dealings in this Software without prior written authorization from
* the author(s).
*
* Authors: David Dawes <dawes@xfree86.org>
* Eric Anholt <eric.anholt@intel.com>
*
* $XFree86: xc/programs/Xserver/hw/xfree86/os-support/vbe/vbeModes.c,v 1.6 2002/11/02 01:38:25 dawes Exp $
*/
/*
* Modified by Alan Hourihane <alanh@tungstengraphics.com>
* to support extended BIOS modes for the Intel chipsets
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdio.h>
#include <string.h>
#include <assert.h>
#include <math.h>
#include "xf86.h"
#include "xf86DDC.h"
#include "X11/Xatom.h"
#include "i830.h"
#include "i830_display.h"
#include "i830_xf86Modes.h"
#include <randrstr.h>
#define DEBUG_REPROBE 1
#ifdef RANDR_12_INTERFACE
#define EDID_ATOM_NAME "EDID_DATA"
static void
i830_ddc_set_edid_property(xf86OutputPtr output, void *data, int data_len)
{
Atom edid_atom = MakeAtom(EDID_ATOM_NAME, sizeof(EDID_ATOM_NAME), TRUE);
/* This may get called before the RandR resources have been created */
if (output->randr_output == NULL)
return;
if (data_len != 0) {
RRChangeOutputProperty(output->randr_output, edid_atom, XA_INTEGER, 8,
PropModeReplace, data_len, data, FALSE);
} else {
RRDeleteOutputProperty(output->randr_output, edid_atom);
}
}
#endif
/**
* Generic get_modes function using DDC, used by many outputs.
*/
DisplayModePtr
i830_ddc_get_modes(xf86OutputPtr output)
{
ScrnInfoPtr pScrn = output->scrn;
I830OutputPrivatePtr intel_output = output->driver_private;
xf86MonPtr ddc_mon;
DisplayModePtr ddc_modes, mode;
int i;
ddc_mon = xf86DoEDID_DDC2(pScrn->scrnIndex, intel_output->pDDCBus);
if (ddc_mon == NULL) {
#ifdef RANDR_12_INTERFACE
i830_ddc_set_edid_property(output, NULL, 0);
#endif
return NULL;
}
if (output->MonInfo != NULL)
xfree(output->MonInfo);
output->MonInfo = ddc_mon;
#ifdef RANDR_12_INTERFACE
if (output->MonInfo->ver.version == 1) {
i830_ddc_set_edid_property(output, ddc_mon->rawData, 128);
} else if (output->MonInfo->ver.version == 2) {
i830_ddc_set_edid_property(output, ddc_mon->rawData, 256);
} else {
i830_ddc_set_edid_property(output, NULL, 0);
}
#endif
/* Debug info for now, at least */
xf86DrvMsg(pScrn->scrnIndex, X_INFO, "EDID for output %s\n", output->name);
xf86PrintEDID(output->MonInfo);
ddc_modes = xf86DDCGetModes(pScrn->scrnIndex, ddc_mon);
/* Strip out any modes that can't be supported on this output. */
for (mode = ddc_modes; mode != NULL; mode = mode->next) {
int status = (*output->funcs->mode_valid)(output, mode);
if (status != MODE_OK)
mode->status = status;
}
i830xf86PruneInvalidModes(pScrn, &ddc_modes, TRUE);
/* Pull out a phyiscal size from a detailed timing if available. */
for (i = 0; i < 4; i++) {
if (ddc_mon->det_mon[i].type == DT &&
ddc_mon->det_mon[i].section.d_timings.h_size != 0 &&
ddc_mon->det_mon[i].section.d_timings.v_size != 0)
{
output->mm_width = ddc_mon->det_mon[i].section.d_timings.h_size;
output->mm_height = ddc_mon->det_mon[i].section.d_timings.v_size;
break;
}
}
/* if no mm size is available from a detailed timing, check the max size field */
if ((!output->mm_width || !output->mm_height) &&
(ddc_mon->features.hsize && ddc_mon->features.vsize))
{
output->mm_width = ddc_mon->features.hsize * 10;
output->mm_height = ddc_mon->features.vsize * 10;
}
return ddc_modes;
}
|
