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a09e091a JB |
1 | /* |
2 | * Copyright 2006 Luc Verhaegen. | |
3 | * | |
4 | * Permission is hereby granted, free of charge, to any person obtaining a | |
5 | * copy of this software and associated documentation files (the "Software"), | |
6 | * to deal in the Software without restriction, including without limitation | |
7 | * the rights to use, copy, modify, merge, publish, distribute, sub license, | |
8 | * and/or sell copies of the Software, and to permit persons to whom the | |
9 | * Software is furnished to do so, subject to the following conditions: | |
10 | * | |
11 | * The above copyright notice and this permission notice (including the | |
12 | * next paragraph) shall be included in all copies or substantial portions | |
13 | * of the Software. | |
14 | * | |
15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
17 | * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL | |
18 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
19 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | |
20 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER | |
21 | * DEALINGS IN THE SOFTWARE. | |
22 | */ | |
23 | ||
24 | #ifdef HAVE_XORG_CONFIG_H | |
25 | #include <xorg-config.h> | |
26 | #endif | |
27 | ||
28 | #include "xf86.h" | |
29 | #include "xf86DDC.h" | |
30 | #include <X11/Xatom.h> | |
31 | #include "property.h" | |
32 | #include "propertyst.h" | |
33 | #include <string.h> | |
34 | ||
35 | #define EDID1_ATOM_NAME "XFree86_DDC_EDID1_RAWDATA" | |
36 | ||
37 | static void | |
38 | edidMakeAtom(int i, const char *name, CARD8 *data, int size) | |
39 | { | |
40 | Atom atom; | |
41 | unsigned char *atom_data; | |
42 | ||
43 | if (!(atom_data = malloc(size * sizeof(CARD8)))) | |
44 | return; | |
45 | ||
46 | atom = MakeAtom(name, strlen(name), TRUE); | |
47 | memcpy(atom_data, data, size); | |
48 | xf86RegisterRootWindowProperty(i, atom, XA_INTEGER, 8, size, atom_data); | |
49 | } | |
50 | ||
51 | static void | |
52 | addRootWindowProperties(ScrnInfoPtr pScrn, xf86MonPtr DDC) | |
53 | { | |
54 | int scrnIndex = pScrn->scrnIndex; | |
55 | ||
56 | if (DDC->flags & MONITOR_DISPLAYID) { | |
57 | /* Don't bother, use RANDR already */ | |
58 | return; | |
59 | } | |
60 | else if (DDC->ver.version == 1) { | |
61 | int size = 128 + | |
62 | (DDC->flags & EDID_COMPLETE_RAWDATA ? DDC->no_sections * 128 : 0); | |
63 | ||
64 | edidMakeAtom(scrnIndex, EDID1_ATOM_NAME, DDC->rawData, size); | |
65 | } | |
66 | else { | |
67 | xf86DrvMsg(scrnIndex, X_PROBED, "unexpected EDID version %d.%d\n", | |
68 | DDC->ver.version, DDC->ver.revision); | |
69 | return; | |
70 | } | |
71 | } | |
72 | ||
73 | Bool | |
74 | xf86SetDDCproperties(ScrnInfoPtr pScrn, xf86MonPtr DDC) | |
75 | { | |
76 | if (!pScrn || !pScrn->monitor || !DDC) | |
77 | return FALSE; | |
78 | ||
79 | if (DDC->flags & MONITOR_DISPLAYID); | |
80 | else | |
81 | xf86EdidMonitorSet(pScrn->scrnIndex, pScrn->monitor, DDC); | |
82 | ||
83 | addRootWindowProperties(pScrn, DDC); | |
84 | ||
85 | return TRUE; | |
86 | } |