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
|
/*
* Copyright (c) 2007 NVIDIA, 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 AUTHORS OR COPYRIGHT HOLDERS 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 <unistd.h>
#ifdef HAVE_XEXTPROTO_71
#include <X11/extensions/dpmsconst.h>
#else
#define DPMS_SERVER
#include <X11/extensions/dpms.h>
#endif
#include <xf86_OSproc.h>
#include "g80_type.h"
#include "g80_display.h"
#include "g80_output.h"
static void
G80DacSetPClk(xf86OutputPtr output, int pclk)
{
G80Ptr pNv = G80PTR(output->scrn);
G80OutputPrivPtr pPriv = output->driver_private;
const int orOff = 0x800 * pPriv->or;
pNv->reg[(0x00614280+orOff)/4] = 0;
}
static void
G80DacDPMSSet(xf86OutputPtr output, int mode)
{
G80Ptr pNv = G80PTR(output->scrn);
G80OutputPrivPtr pPriv = output->driver_private;
const int off = 0x800 * pPriv->or;
CARD32 tmp;
/*
* DPMSModeOn everything on
* DPMSModeStandby hsync disabled, vsync enabled
* DPMSModeSuspend hsync enabled, vsync disabled
* DPMSModeOff sync disabled
*/
while(pNv->reg[(0x0061A004+off)/4] & 0x80000000);
tmp = pNv->reg[(0x0061A004+off)/4];
tmp &= ~0x7f;
tmp |= 0x80000000;
if(mode == DPMSModeStandby || mode == DPMSModeOff)
tmp |= 1;
if(mode == DPMSModeSuspend || mode == DPMSModeOff)
tmp |= 4;
if(mode != DPMSModeOn)
tmp |= 0x10;
if(mode == DPMSModeOff)
tmp |= 0x40;
pNv->reg[(0x0061A004+off)/4] = tmp;
}
static Bool
G80DacModeFixup(xf86OutputPtr output, DisplayModePtr mode,
DisplayModePtr adjusted_mode)
{
return TRUE;
}
static void
G80DacModeSet(xf86OutputPtr output, DisplayModePtr mode,
DisplayModePtr adjusted_mode)
{
ScrnInfoPtr pScrn = output->scrn;
G80OutputPrivPtr pPriv = output->driver_private;
const int dacOff = 0x80 * pPriv->or;
if(!adjusted_mode) {
C(0x00000400 + dacOff, 0);
return;
}
// This wouldn't be necessary, but the server is stupid and calls
// G80DacDPMSSet after the output is disconnected, even though the hardware
// turns it off automatically.
G80DacDPMSSet(output, DPMSModeOn);
C(0x00000400 + dacOff,
(G80CrtcGetHead(output->crtc) == HEAD0 ? 1 : 2) | 0x40);
C(0x00000404 + dacOff,
(adjusted_mode->Flags & V_NHSYNC) ? 1 : 0 |
(adjusted_mode->Flags & V_NVSYNC) ? 2 : 0);
G80CrtcSetScale(output->crtc, adjusted_mode, G80_SCALE_OFF);
}
/*
* Perform DAC load detection to determine if there is a connected display.
*/
static xf86OutputStatus
G80DacDetect(xf86OutputPtr output)
{
G80OutputPrivPtr pPriv = output->driver_private;
/* Assume physical status isn't going to change before the BlockHandler */
if(pPriv->cached_status != XF86OutputStatusUnknown)
return pPriv->cached_status;
G80OutputPartnersDetect(output, pPriv->partner, pPriv->i2c);
return pPriv->cached_status;
}
Bool
G80DacLoadDetect(xf86OutputPtr output)
{
ScrnInfoPtr pScrn = output->scrn;
G80Ptr pNv = G80PTR(pScrn);
G80OutputPrivPtr pPriv = output->driver_private;
const int scrnIndex = pScrn->scrnIndex;
const int dacOff = 2048 * pPriv->or;
int sigstate;
CARD32 load, tmp;
xf86DrvMsg(scrnIndex, X_PROBED, "Trying load detection on VGA%i ... ",
pPriv->or);
pNv->reg[(0x0061A010+dacOff)/4] = 0x00000001;
tmp = pNv->reg[(0x0061A004+dacOff)/4];
pNv->reg[(0x0061A004+dacOff)/4] = 0x80150000;
while(pNv->reg[(0x0061A004+dacOff)/4] & 0x80000000);
pNv->reg[(0x0061A00C+dacOff)/4] = pNv->loadVal | 0x100000;
sigstate = xf86BlockSIGIO();
usleep(45000);
xf86UnblockSIGIO(sigstate);
load = pNv->reg[(0x0061A00C+dacOff)/4];
pNv->reg[(0x0061A00C+dacOff)/4] = 0;
pNv->reg[(0x0061A004+dacOff)/4] = 0x80000000 | tmp;
// Use this DAC if all three channels show load.
if((load & 0x38000000) == 0x38000000) {
xf86ErrorF("found one!\n");
return TRUE;
}
xf86ErrorF("nothing.\n");
return FALSE;
}
static void
G80DacDestroy(xf86OutputPtr output)
{
G80OutputDestroy(output);
free(output->driver_private);
output->driver_private = NULL;
}
static const xf86OutputFuncsRec G80DacOutputFuncs = {
.dpms = G80DacDPMSSet,
.save = NULL,
.restore = NULL,
.mode_valid = G80OutputModeValid,
.mode_fixup = G80DacModeFixup,
.prepare = G80OutputPrepare,
.commit = G80OutputCommit,
.mode_set = G80DacModeSet,
.detect = G80DacDetect,
.get_modes = G80OutputGetDDCModes,
.destroy = G80DacDestroy,
};
xf86OutputPtr
G80CreateDac(ScrnInfoPtr pScrn, ORNum or)
{
G80OutputPrivPtr pPriv = xnfcalloc(sizeof(*pPriv), 1);
xf86OutputPtr output;
char orName[5];
if(!pPriv)
return NULL;
snprintf(orName, 5, "VGA%i", or);
output = xf86OutputCreate(pScrn, &G80DacOutputFuncs, orName);
pPriv->type = DAC;
pPriv->or = or;
pPriv->cached_status = XF86OutputStatusUnknown;
pPriv->set_pclk = G80DacSetPClk;
output->driver_private = pPriv;
output->interlaceAllowed = TRUE;
output->doubleScanAllowed = TRUE;
return output;
}
|
