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
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
|
/*
* Copyright © 2007 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 (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 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.
*
* Authors:
* Eric Anholt <eric@anholt.net>
*
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "xf86.h"
#include "i830.h"
#include "xf86Modes.h"
#include "i830_display.h"
struct i830_hdmi_priv {
uint32_t output_reg;
uint32_t save_SDVO;
};
static int
i830_hdmi_mode_valid(xf86OutputPtr output, DisplayModePtr mode)
{
if (mode->Clock > 165000)
return MODE_CLOCK_HIGH;
if (mode->Clock < 20000)
return MODE_CLOCK_LOW;
return MODE_OK;
}
static Bool
i830_hdmi_mode_fixup(xf86OutputPtr output, DisplayModePtr mode,
DisplayModePtr adjusted_mode)
{
/* The HDMI output doesn't need the pixel multiplication that SDVO does,
* so no fixup.
*/
return TRUE;
}
static void
i830_hdmi_mode_set(xf86OutputPtr output, DisplayModePtr mode,
DisplayModePtr adjusted_mode)
{
ScrnInfoPtr pScrn = output->scrn;
I830OutputPrivatePtr intel_output = output->driver_private;
struct i830_hdmi_priv *dev_priv = intel_output->dev_priv;
I830Ptr pI830 = I830PTR(pScrn);
xf86CrtcPtr crtc = output->crtc;
I830CrtcPrivatePtr intel_crtc = crtc->driver_private;
uint32_t sdvox;
sdvox = SDVO_ENCODING_HDMI |
SDVO_BORDER_ENABLE |
SDVO_VSYNC_ACTIVE_HIGH |
SDVO_HSYNC_ACTIVE_HIGH;
if (intel_crtc->pipe == 1)
sdvox |= SDVO_PIPE_B_SELECT;
OUTREG(dev_priv->output_reg, sdvox);
POSTING_READ(dev_priv->output_reg);
}
static void
i830_hdmi_dpms(xf86OutputPtr output, int mode)
{
ScrnInfoPtr pScrn = output->scrn;
I830OutputPrivatePtr intel_output = output->driver_private;
struct i830_hdmi_priv *dev_priv = intel_output->dev_priv;
I830Ptr pI830 = I830PTR(pScrn);
uint32_t temp;
if (mode == DPMSModeOff) {
temp = INREG(dev_priv->output_reg);
OUTREG(dev_priv->output_reg, temp & ~SDVO_ENABLE);
} else {
temp = INREG(dev_priv->output_reg);
OUTREG(dev_priv->output_reg, temp | SDVO_ENABLE);
}
}
static void
i830_hdmi_save(xf86OutputPtr output)
{
ScrnInfoPtr pScrn = output->scrn;
I830OutputPrivatePtr intel_output = output->driver_private;
struct i830_hdmi_priv *dev_priv = intel_output->dev_priv;
I830Ptr pI830 = I830PTR(pScrn);
dev_priv->save_SDVO = INREG(dev_priv->output_reg);
}
static void
i830_hdmi_restore(xf86OutputPtr output)
{
ScrnInfoPtr pScrn = output->scrn;
I830OutputPrivatePtr intel_output = output->driver_private;
struct i830_hdmi_priv *dev_priv = intel_output->dev_priv;
I830Ptr pI830 = I830PTR(pScrn);
OUTREG(dev_priv->output_reg, dev_priv->save_SDVO);
}
/**
* Uses CRT_HOTPLUG_EN and CRT_HOTPLUG_STAT to detect HDMI connection.
*
* \return TRUE if HDMI port is connected.
* \return FALSE if HDMI port is disconnected.
*/
static xf86OutputStatus
i830_hdmi_detect(xf86OutputPtr output)
{
ScrnInfoPtr pScrn = output->scrn;
I830OutputPrivatePtr intel_output = output->driver_private;
struct i830_hdmi_priv *dev_priv = intel_output->dev_priv;
I830Ptr pI830 = I830PTR(pScrn);
uint32_t temp, bit;
xf86OutputStatus status;
xf86MonPtr edid_mon;
/* For G4X desktop chip, PEG_BAND_GAP_DATA 3:0 must first be written 0xd.
* Failure to do so will result in spurious interrupts being
* generated on the port when a cable is not attached.
*/
if (IS_G4X(pI830) && !IS_GM45(pI830)) {
temp = INREG(PEG_BAND_GAP_DATA);
OUTREG(PEG_BAND_GAP_DATA, (temp & ~0xf) | 0xd);
}
temp = INREG(PORT_HOTPLUG_EN);
OUTREG(PORT_HOTPLUG_EN,
temp |
HDMIB_HOTPLUG_INT_EN |
HDMIC_HOTPLUG_INT_EN |
HDMID_HOTPLUG_INT_EN);
POSTING_READ(PORT_HOTPLUG_EN);
switch (dev_priv->output_reg) {
case SDVOB:
bit = HDMIB_HOTPLUG_INT_STATUS;
break;
case SDVOC:
bit = HDMIC_HOTPLUG_INT_STATUS;
break;
default:
return XF86OutputStatusUnknown;
}
if ((INREG(PORT_HOTPLUG_STAT) & bit) != 0)
status = XF86OutputStatusConnected;
else
return XF86OutputStatusDisconnected;
edid_mon = xf86OutputGetEDID (output, intel_output->pDDCBus);
if (!edid_mon || !DIGITAL(edid_mon->features.input_type))
status = XF86OutputStatusDisconnected;
xfree(edid_mon);
return status;
}
static void
i830_hdmi_destroy (xf86OutputPtr output)
{
I830OutputPrivatePtr intel_output = output->driver_private;
if (intel_output != NULL) {
xf86DestroyI2CBusRec(intel_output->pDDCBus, FALSE, FALSE);
xfree(intel_output);
}
}
static const xf86OutputFuncsRec i830_hdmi_output_funcs = {
.dpms = i830_hdmi_dpms,
.save = i830_hdmi_save,
.restore = i830_hdmi_restore,
.mode_valid = i830_hdmi_mode_valid,
.mode_fixup = i830_hdmi_mode_fixup,
.prepare = i830_output_prepare,
.mode_set = i830_hdmi_mode_set,
.commit = i830_output_commit,
.detect = i830_hdmi_detect,
.get_modes = i830_ddc_get_modes,
.destroy = i830_hdmi_destroy
};
void
i830_hdmi_init(ScrnInfoPtr pScrn, int output_reg)
{
xf86OutputPtr output;
I830OutputPrivatePtr intel_output;
struct i830_hdmi_priv *dev_priv;
output = xf86OutputCreate(pScrn, &i830_hdmi_output_funcs,
(output_reg == SDVOB) ? "HDMI-1" : "HDMI-2");
if (!output)
return;
intel_output = xnfcalloc(sizeof (I830OutputPrivateRec) +
sizeof (struct i830_hdmi_priv), 1);
if (intel_output == NULL) {
xf86OutputDestroy(output);
return;
}
output->driver_private = intel_output;
output->interlaceAllowed = FALSE;
output->doubleScanAllowed = FALSE;
dev_priv = (struct i830_hdmi_priv *)(intel_output + 1);
dev_priv->output_reg = output_reg;
intel_output->dev_priv = dev_priv;
intel_output->type = I830_OUTPUT_HDMI;
intel_output->pipe_mask = ((1 << 0) | (1 << 1));
intel_output->clone_mask = (1 << I830_OUTPUT_HDMI);
/* Set up the DDC bus. */
if (output_reg == SDVOB)
I830I2CInit(pScrn, &intel_output->pDDCBus, GPIOE, "HDMIDDC_B");
else
I830I2CInit(pScrn, &intel_output->pDDCBus, GPIOD, "HDMIDDC_C");
xf86DrvMsg(pScrn->scrnIndex, X_INFO,
"HDMI output %d detected\n",
(output_reg == SDVOB) ? 1 : 2);
}
|
