]> bbs.cooldavid.org Git - net-next-2.6.git/blame - drivers/gpu/drm/nouveau/nouveau_connector.c
git://bbs.cooldavid.org / net-next-2.6.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
nouveau: fix acpi_lid_open undefined
[net-next-2.6.git] / drivers / gpu / drm / nouveau / nouveau_connector.c
CommitLineData
6ee73861
BS		 1/*
2 * Copyright (C) 2008 Maarten Maathuis.
3 * All Rights Reserved.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining
6 * a copy of this software and associated documentation files (the
7 * "Software"), to deal in the Software without restriction, including
8 * without limitation the rights to use, copy, modify, merge, publish,
9 * distribute, sublicense, and/or sell copies of the Software, and to
10 * permit persons to whom the Software is furnished to do so, subject to
11 * the following conditions:
12 *
13 * The above copyright notice and this permission notice (including the
14 * next paragraph) shall be included in all copies or substantial
15 * portions of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
20 * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
21 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
22 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
23 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24 *
25 */
26
a1470890
BS		 27#include <acpi/button.h>
28
6ee73861
BS		 29#include "drmP.h"
30#include "drm_edid.h"
31#include "drm_crtc_helper.h"
a1470890 32
6ee73861
BS		 33#include "nouveau_reg.h"
34#include "nouveau_drv.h"
35#include "nouveau_encoder.h"
36#include "nouveau_crtc.h"
37#include "nouveau_connector.h"
38#include "nouveau_hw.h"
39
40static inline struct drm_encoder_slave_funcs *
41get_slave_funcs(struct nouveau_encoder *enc)
42{
43 return to_encoder_slave(to_drm_encoder(enc))->slave_funcs;
44}
45
46static struct nouveau_encoder *
47find_encoder_by_type(struct drm_connector *connector, int type)
48{
49 struct drm_device *dev = connector->dev;
50 struct nouveau_encoder *nv_encoder;
51 struct drm_mode_object *obj;
52 int i, id;
53
54 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
55 id = connector->encoder_ids[i];
56 if (!id)
57 break;
58
59 obj = drm_mode_object_find(dev, id, DRM_MODE_OBJECT_ENCODER);
60 if (!obj)
61 continue;
62 nv_encoder = nouveau_encoder(obj_to_encoder(obj));
63
64 if (type == OUTPUT_ANY || nv_encoder->dcb->type == type)
65 return nv_encoder;
66 }
67
68 return NULL;
69}
70
71struct nouveau_connector *
72nouveau_encoder_connector_get(struct nouveau_encoder *encoder)
73{
74 struct drm_device *dev = to_drm_encoder(encoder)->dev;
75 struct drm_connector *drm_connector;
76
77 list_for_each_entry(drm_connector, &dev->mode_config.connector_list, head) {
78 if (drm_connector->encoder == to_drm_encoder(encoder))
79 return nouveau_connector(drm_connector);
80 }
81
82 return NULL;
83}
84
85
86static void
87nouveau_connector_destroy(struct drm_connector *drm_connector)
88{
c8ebe275
XC		 89 struct nouveau_connector *nv_connector =
90 nouveau_connector(drm_connector);
dd19e44b 91 struct drm_device *dev;
6ee73861 92
c8ebe275 93 if (!nv_connector)
6ee73861
BS		 94 return;
95
dd19e44b
MS		 96 dev = nv_connector->base.dev;
97 NV_DEBUG_KMS(dev, "\n");
98
c8ebe275 99 kfree(nv_connector->edid);
6ee73861
BS		 100 drm_sysfs_connector_remove(drm_connector);
101 drm_connector_cleanup(drm_connector);
102 kfree(drm_connector);
103}
104
105static void
106nouveau_connector_ddc_prepare(struct drm_connector *connector, int *flags)
107{
108 struct drm_nouveau_private *dev_priv = connector->dev->dev_private;
109
110 if (dev_priv->card_type >= NV_50)
111 return;
112
113 *flags = 0;
114 if (NVLockVgaCrtcs(dev_priv->dev, false))
115 *flags |= 1;
116 if (nv_heads_tied(dev_priv->dev))
117 *flags |= 2;
118
119 if (*flags & 2)
120 NVSetOwner(dev_priv->dev, 0); /* necessary? */
121}
122
123static void
124nouveau_connector_ddc_finish(struct drm_connector *connector, int flags)
125{
126 struct drm_nouveau_private *dev_priv = connector->dev->dev_private;
127
128 if (dev_priv->card_type >= NV_50)
129 return;
130
131 if (flags & 2)
132 NVSetOwner(dev_priv->dev, 4);
133 if (flags & 1)
134 NVLockVgaCrtcs(dev_priv->dev, true);
135}
136
137static struct nouveau_i2c_chan *
138nouveau_connector_ddc_detect(struct drm_connector *connector,
139 struct nouveau_encoder **pnv_encoder)
140{
141 struct drm_device *dev = connector->dev;
142 uint8_t out_buf[] = { 0x0, 0x0}, buf[2];
143 int ret, flags, i;
144
145 struct i2c_msg msgs[] = {
146 {
147 .addr = 0x50,
148 .flags = 0,
149 .len = 1,
150 .buf = out_buf,
151 },
152 {
153 .addr = 0x50,
154 .flags = I2C_M_RD,
155 .len = 1,
156 .buf = buf,
157 }
158 };
159
160 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
161 struct nouveau_i2c_chan *i2c = NULL;
162 struct nouveau_encoder *nv_encoder;
163 struct drm_mode_object *obj;
164 int id;
165
166 id = connector->encoder_ids[i];
167 if (!id)
168 break;
169
170 obj = drm_mode_object_find(dev, id, DRM_MODE_OBJECT_ENCODER);
171 if (!obj)
172 continue;
173 nv_encoder = nouveau_encoder(obj_to_encoder(obj));
174
175 if (nv_encoder->dcb->i2c_index < 0xf)
176 i2c = nouveau_i2c_find(dev, nv_encoder->dcb->i2c_index);
177 if (!i2c)
178 continue;
179
180 nouveau_connector_ddc_prepare(connector, &flags);
181 ret = i2c_transfer(&i2c->adapter, msgs, 2);
182 nouveau_connector_ddc_finish(connector, flags);
183
184 if (ret == 2) {
185 *pnv_encoder = nv_encoder;
186 return i2c;
187 }
188 }
189
190 return NULL;
191}
192
193static void
194nouveau_connector_set_encoder(struct drm_connector *connector,
195 struct nouveau_encoder *nv_encoder)
196{
197 struct nouveau_connector *nv_connector = nouveau_connector(connector);
198 struct drm_nouveau_private *dev_priv = connector->dev->dev_private;
199 struct drm_device *dev = connector->dev;
200
201 if (nv_connector->detected_encoder == nv_encoder)
202 return;
203 nv_connector->detected_encoder = nv_encoder;
204
205 if (nv_encoder->dcb->type == OUTPUT_LVDS ||
206 nv_encoder->dcb->type == OUTPUT_TMDS) {
207 connector->doublescan_allowed = false;
208 connector->interlace_allowed = false;
209 } else {
210 connector->doublescan_allowed = true;
211 if (dev_priv->card_type == NV_20 ||
212 (dev_priv->card_type == NV_10 &&
213 (dev->pci_device & 0x0ff0) != 0x0100 &&
214 (dev->pci_device & 0x0ff0) != 0x0150))
215 /* HW is broken */
216 connector->interlace_allowed = false;
217 else
218 connector->interlace_allowed = true;
219 }
220
be079e97 221 if (nv_connector->dcb->type == DCB_CONNECTOR_DVI_I) {
6ee73861
BS		 222 drm_connector_property_set_value(connector,
223 dev->mode_config.dvi_i_subconnector_property,
224 nv_encoder->dcb->type == OUTPUT_TMDS ?
225 DRM_MODE_SUBCONNECTOR_DVID :
226 DRM_MODE_SUBCONNECTOR_DVIA);
227 }
228}
229
230static enum drm_connector_status
231nouveau_connector_detect(struct drm_connector *connector)
232{
233 struct drm_device *dev = connector->dev;
234 struct nouveau_connector *nv_connector = nouveau_connector(connector);
235 struct nouveau_encoder *nv_encoder = NULL;
236 struct nouveau_i2c_chan *i2c;
237 int type, flags;
238
be079e97 239 if (nv_connector->dcb->type == DCB_CONNECTOR_LVDS)
6ee73861
BS		 240 nv_encoder = find_encoder_by_type(connector, OUTPUT_LVDS);
241 if (nv_encoder && nv_connector->native_mode) {
b30083bd
BS		 242 unsigned status = connector_status_connected;
243
57976602
RD		 244#if defined(CONFIG_ACPI_BUTTON) || \
245 (defined(CONFIG_ACPI_BUTTON_MODULE) && defined(MODULE))
a1470890 246 if (!nouveau_ignorelid && !acpi_lid_open())
b30083bd 247 status = connector_status_unknown;
a1470890 248#endif
6ee73861 249 nouveau_connector_set_encoder(connector, nv_encoder);
b30083bd 250 return status;
6ee73861
BS		 251 }
252
b8780e2a
FJ		 253 /* Cleanup the previous EDID block. */
254 if (nv_connector->edid) {
255 drm_mode_connector_update_edid_property(connector, NULL);
256 kfree(nv_connector->edid);
257 nv_connector->edid = NULL;
258 }
c8ebe275 259
6ee73861
BS		 260 i2c = nouveau_connector_ddc_detect(connector, &nv_encoder);
261 if (i2c) {
262 nouveau_connector_ddc_prepare(connector, &flags);
263 nv_connector->edid = drm_get_edid(connector, &i2c->adapter);
264 nouveau_connector_ddc_finish(connector, flags);
265 drm_mode_connector_update_edid_property(connector,
266 nv_connector->edid);
267 if (!nv_connector->edid) {
268 NV_ERROR(dev, "DDC responded, but no EDID for %s\n",
269 drm_get_connector_name(connector));
0ed3165e 270 goto detect_analog;
6ee73861
BS		 271 }
272
273 if (nv_encoder->dcb->type == OUTPUT_DP &&
274 !nouveau_dp_detect(to_drm_encoder(nv_encoder))) {
275 NV_ERROR(dev, "Detected %s, but failed init\n",
276 drm_get_connector_name(connector));
277 return connector_status_disconnected;
278 }
279
280 /* Override encoder type for DVI-I based on whether EDID
281 * says the display is digital or analog, both use the
282 * same i2c channel so the value returned from ddc_detect
283 * isn't necessarily correct.
284 */
be079e97 285 if (nv_connector->dcb->type == DCB_CONNECTOR_DVI_I) {
6ee73861
BS		 286 if (nv_connector->edid->input & DRM_EDID_INPUT_DIGITAL)
287 type = OUTPUT_TMDS;
288 else
289 type = OUTPUT_ANALOG;
290
291 nv_encoder = find_encoder_by_type(connector, type);
292 if (!nv_encoder) {
293 NV_ERROR(dev, "Detected %d encoder on %s, "
294 "but no object!\n", type,
295 drm_get_connector_name(connector));
296 return connector_status_disconnected;
297 }
298 }
299
300 nouveau_connector_set_encoder(connector, nv_encoder);
301 return connector_status_connected;
302 }
303
0ed3165e 304detect_analog:
6ee73861 305 nv_encoder = find_encoder_by_type(connector, OUTPUT_ANALOG);
f4053509 306 if (!nv_encoder && !nouveau_tv_disable)
6ee73861
BS		 307 nv_encoder = find_encoder_by_type(connector, OUTPUT_TV);
308 if (nv_encoder) {
309 struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
310 struct drm_encoder_helper_funcs *helper =
311 encoder->helper_private;
312
313 if (helper->detect(encoder, connector) ==
314 connector_status_connected) {
315 nouveau_connector_set_encoder(connector, nv_encoder);
316 return connector_status_connected;
317 }
318
319 }
320
321 return connector_status_disconnected;
322}
323
324static void
325nouveau_connector_force(struct drm_connector *connector)
326{
be079e97 327 struct nouveau_connector *nv_connector = nouveau_connector(connector);
6ee73861
BS		 328 struct nouveau_encoder *nv_encoder;
329 int type;
330
be079e97 331 if (nv_connector->dcb->type == DCB_CONNECTOR_DVI_I) {
6ee73861
BS		 332 if (connector->force == DRM_FORCE_ON_DIGITAL)
333 type = OUTPUT_TMDS;
334 else
335 type = OUTPUT_ANALOG;
336 } else
337 type = OUTPUT_ANY;
338
339 nv_encoder = find_encoder_by_type(connector, type);
340 if (!nv_encoder) {
be079e97 341 NV_ERROR(connector->dev, "can't find encoder to force %s on!\n",
6ee73861
BS		 342 drm_get_connector_name(connector));
343 connector->status = connector_status_disconnected;
344 return;
345 }
346
347 nouveau_connector_set_encoder(connector, nv_encoder);
348}
349
350static int
351nouveau_connector_set_property(struct drm_connector *connector,
352 struct drm_property *property, uint64_t value)
353{
354 struct nouveau_connector *nv_connector = nouveau_connector(connector);
355 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
356 struct drm_device *dev = connector->dev;
357 int ret;
358
359 /* Scaling mode */
360 if (property == dev->mode_config.scaling_mode_property) {
361 struct nouveau_crtc *nv_crtc = NULL;
362 bool modeset = false;
363
364 switch (value) {
365 case DRM_MODE_SCALE_NONE:
366 case DRM_MODE_SCALE_FULLSCREEN:
367 case DRM_MODE_SCALE_CENTER:
368 case DRM_MODE_SCALE_ASPECT:
369 break;
370 default:
371 return -EINVAL;
372 }
373
374 /* LVDS always needs gpu scaling */
be079e97 375 if (nv_connector->dcb->type == DCB_CONNECTOR_LVDS &&
6ee73861
BS		 376 value == DRM_MODE_SCALE_NONE)
377 return -EINVAL;
378
379 /* Changing between GPU and panel scaling requires a full
380 * modeset
381 */
382 if ((nv_connector->scaling_mode == DRM_MODE_SCALE_NONE) ||
383 (value == DRM_MODE_SCALE_NONE))
384 modeset = true;
385 nv_connector->scaling_mode = value;
386
387 if (connector->encoder && connector->encoder->crtc)
388 nv_crtc = nouveau_crtc(connector->encoder->crtc);
389 if (!nv_crtc)
390 return 0;
391
392 if (modeset || !nv_crtc->set_scale) {
393 ret = drm_crtc_helper_set_mode(&nv_crtc->base,
394 &nv_crtc->base.mode,
395 nv_crtc->base.x,
396 nv_crtc->base.y, NULL);
397 if (!ret)
398 return -EINVAL;
399 } else {
400 ret = nv_crtc->set_scale(nv_crtc, value, true);
401 if (ret)
402 return ret;
403 }
404
405 return 0;
406 }
407
408 /* Dithering */
409 if (property == dev->mode_config.dithering_mode_property) {
410 struct nouveau_crtc *nv_crtc = NULL;
411
412 if (value == DRM_MODE_DITHERING_ON)
413 nv_connector->use_dithering = true;
414 else
415 nv_connector->use_dithering = false;
416
417 if (connector->encoder && connector->encoder->crtc)
418 nv_crtc = nouveau_crtc(connector->encoder->crtc);
419
420 if (!nv_crtc || !nv_crtc->set_dither)
421 return 0;
422
423 return nv_crtc->set_dither(nv_crtc, nv_connector->use_dithering,
424 true);
425 }
426
427 if (nv_encoder && nv_encoder->dcb->type == OUTPUT_TV)
428 return get_slave_funcs(nv_encoder)->
429 set_property(to_drm_encoder(nv_encoder), connector, property, value);
430
431 return -EINVAL;
432}
433
434static struct drm_display_mode *
435nouveau_connector_native_mode(struct nouveau_connector *connector)
436{
437 struct drm_device *dev = connector->base.dev;
438 struct drm_display_mode *mode, *largest = NULL;
439 int high_w = 0, high_h = 0, high_v = 0;
440
441 /* Use preferred mode if there is one.. */
442 list_for_each_entry(mode, &connector->base.probed_modes, head) {
443 if (mode->type & DRM_MODE_TYPE_PREFERRED) {
ef2bb506 444 NV_DEBUG_KMS(dev, "native mode from preferred\n");
6ee73861
BS		 445 return drm_mode_duplicate(dev, mode);
446 }
447 }
448
449 /* Otherwise, take the resolution with the largest width, then height,
450 * then vertical refresh
451 */
452 list_for_each_entry(mode, &connector->base.probed_modes, head) {
453 if (mode->hdisplay < high_w)
454 continue;
455
456 if (mode->hdisplay == high_w && mode->vdisplay < high_h)
457 continue;
458
459 if (mode->hdisplay == high_w && mode->vdisplay == high_h &&
460 mode->vrefresh < high_v)
461 continue;
462
463 high_w = mode->hdisplay;
464 high_h = mode->vdisplay;
465 high_v = mode->vrefresh;
466 largest = mode;
467 }
468
ef2bb506 469 NV_DEBUG_KMS(dev, "native mode from largest: %dx%d@%d\n",
6ee73861
BS		 470 high_w, high_h, high_v);
471 return largest ? drm_mode_duplicate(dev, largest) : NULL;
472}
473
474struct moderec {
475 int hdisplay;
476 int vdisplay;
477};
478
479static struct moderec scaler_modes[] = {
480 { 1920, 1200 },
481 { 1920, 1080 },
482 { 1680, 1050 },
483 { 1600, 1200 },
484 { 1400, 1050 },
485 { 1280, 1024 },
486 { 1280, 960 },
487 { 1152, 864 },
488 { 1024, 768 },
489 { 800, 600 },
490 { 720, 400 },
491 { 640, 480 },
492 { 640, 400 },
493 { 640, 350 },
494 {}
495};
496
497static int
498nouveau_connector_scaler_modes_add(struct drm_connector *connector)
499{
500 struct nouveau_connector *nv_connector = nouveau_connector(connector);
501 struct drm_display_mode *native = nv_connector->native_mode, *m;
502 struct drm_device *dev = connector->dev;
503 struct moderec *mode = &scaler_modes[0];
504 int modes = 0;
505
506 if (!native)
507 return 0;
508
509 while (mode->hdisplay) {
510 if (mode->hdisplay <= native->hdisplay &&
511 mode->vdisplay <= native->vdisplay) {
512 m = drm_cvt_mode(dev, mode->hdisplay, mode->vdisplay,
513 drm_mode_vrefresh(native), false,
514 false, false);
515 if (!m)
516 continue;
517
518 m->type |= DRM_MODE_TYPE_DRIVER;
519
520 drm_mode_probed_add(connector, m);
521 modes++;
522 }
523
524 mode++;
525 }
526
527 return modes;
528}
529
530static int
531nouveau_connector_get_modes(struct drm_connector *connector)
532{
533 struct drm_device *dev = connector->dev;
534 struct nouveau_connector *nv_connector = nouveau_connector(connector);
535 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
536 int ret = 0;
537
538 /* If we're not LVDS, destroy the previous native mode, the attached
539 * monitor could have changed.
540 */
be079e97 541 if (nv_connector->dcb->type != DCB_CONNECTOR_LVDS &&
6ee73861
BS		 542 nv_connector->native_mode) {
543 drm_mode_destroy(dev, nv_connector->native_mode);
544 nv_connector->native_mode = NULL;
545 }
546
547 if (nv_connector->edid)
548 ret = drm_add_edid_modes(connector, nv_connector->edid);
549
550 /* Find the native mode if this is a digital panel, if we didn't
551 * find any modes through DDC previously add the native mode to
552 * the list of modes.
553 */
554 if (!nv_connector->native_mode)
555 nv_connector->native_mode =
556 nouveau_connector_native_mode(nv_connector);
557 if (ret == 0 && nv_connector->native_mode) {
558 struct drm_display_mode *mode;
559
560 mode = drm_mode_duplicate(dev, nv_connector->native_mode);
561 drm_mode_probed_add(connector, mode);
562 ret = 1;
563 }
564
565 if (nv_encoder->dcb->type == OUTPUT_TV)
566 ret = get_slave_funcs(nv_encoder)->
567 get_modes(to_drm_encoder(nv_encoder), connector);
568
be079e97 569 if (nv_encoder->dcb->type == OUTPUT_LVDS)
6ee73861
BS		 570 ret += nouveau_connector_scaler_modes_add(connector);
571
572 return ret;
573}
574
575static int
576nouveau_connector_mode_valid(struct drm_connector *connector,
577 struct drm_display_mode *mode)
578{
579 struct drm_nouveau_private *dev_priv = connector->dev->dev_private;
580 struct nouveau_connector *nv_connector = nouveau_connector(connector);
581 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
582 unsigned min_clock = 25000, max_clock = min_clock;
583 unsigned clock = mode->clock;
584
585 switch (nv_encoder->dcb->type) {
586 case OUTPUT_LVDS:
587 BUG_ON(!nv_connector->native_mode);
588 if (mode->hdisplay > nv_connector->native_mode->hdisplay ||
589 mode->vdisplay > nv_connector->native_mode->vdisplay)
590 return MODE_PANEL;
591
592 min_clock = 0;
593 max_clock = 400000;
594 break;
595 case OUTPUT_TMDS:
596 if ((dev_priv->card_type >= NV_50 && !nouveau_duallink) ||
597 (dev_priv->card_type < NV_50 &&
598 !nv_encoder->dcb->duallink_possible))
599 max_clock = 165000;
600 else
601 max_clock = 330000;
602 break;
603 case OUTPUT_ANALOG:
604 max_clock = nv_encoder->dcb->crtconf.maxfreq;
605 if (!max_clock)
606 max_clock = 350000;
607 break;
608 case OUTPUT_TV:
609 return get_slave_funcs(nv_encoder)->
610 mode_valid(to_drm_encoder(nv_encoder), mode);
611 case OUTPUT_DP:
612 if (nv_encoder->dp.link_bw == DP_LINK_BW_2_7)
613 max_clock = nv_encoder->dp.link_nr * 270000;
614 else
615 max_clock = nv_encoder->dp.link_nr * 162000;
616
617 clock *= 3;
618 break;
e7cc51c5
BS		 619 default:
620 BUG_ON(1);
621 return MODE_BAD;
6ee73861
BS		 622 }
623
624 if (clock < min_clock)
625 return MODE_CLOCK_LOW;
626
627 if (clock > max_clock)
628 return MODE_CLOCK_HIGH;
629
630 return MODE_OK;
631}
632
633static struct drm_encoder *
634nouveau_connector_best_encoder(struct drm_connector *connector)
635{
636 struct nouveau_connector *nv_connector = nouveau_connector(connector);
637
638 if (nv_connector->detected_encoder)
639 return to_drm_encoder(nv_connector->detected_encoder);
640
641 return NULL;
642}
643
644static const struct drm_connector_helper_funcs
645nouveau_connector_helper_funcs = {
646 .get_modes = nouveau_connector_get_modes,
647 .mode_valid = nouveau_connector_mode_valid,
648 .best_encoder = nouveau_connector_best_encoder,
649};
650
651static const struct drm_connector_funcs
652nouveau_connector_funcs = {
653 .dpms = drm_helper_connector_dpms,
654 .save = NULL,
655 .restore = NULL,
656 .detect = nouveau_connector_detect,
657 .destroy = nouveau_connector_destroy,
658 .fill_modes = drm_helper_probe_single_connector_modes,
659 .set_property = nouveau_connector_set_property,
660 .force = nouveau_connector_force
661};
662
663static int
664nouveau_connector_create_lvds(struct drm_device *dev,
665 struct drm_connector *connector)
666{
667 struct nouveau_connector *nv_connector = nouveau_connector(connector);
668 struct drm_nouveau_private *dev_priv = dev->dev_private;
669 struct nouveau_i2c_chan *i2c = NULL;
670 struct nouveau_encoder *nv_encoder;
671 struct drm_display_mode native, *mode, *temp;
672 bool dummy, if_is_24bit = false;
673 int ret, flags;
674
675 nv_encoder = find_encoder_by_type(connector, OUTPUT_LVDS);
676 if (!nv_encoder)
677 return -ENODEV;
678
679 ret = nouveau_bios_parse_lvds_table(dev, 0, &dummy, &if_is_24bit);
680 if (ret) {
681 NV_ERROR(dev, "Error parsing LVDS table, disabling LVDS\n");
682 return ret;
683 }
684 nv_connector->use_dithering = !if_is_24bit;
685
686 /* Firstly try getting EDID over DDC, if allowed and I2C channel
687 * is available.
688 */
04a39c57 689 if (!dev_priv->vbios.fp_no_ddc && nv_encoder->dcb->i2c_index < 0xf)
6ee73861
BS		 690 i2c = nouveau_i2c_find(dev, nv_encoder->dcb->i2c_index);
691
692 if (i2c) {
693 nouveau_connector_ddc_prepare(connector, &flags);
694 nv_connector->edid = drm_get_edid(connector, &i2c->adapter);
695 nouveau_connector_ddc_finish(connector, flags);
696 }
697
698 /* If no EDID found above, and the VBIOS indicates a hardcoded
699 * modeline is avalilable for the panel, set it as the panel's
700 * native mode and exit.
701 */
702 if (!nv_connector->edid && nouveau_bios_fp_mode(dev, &native) &&
703 (nv_encoder->dcb->lvdsconf.use_straps_for_mode ||
04a39c57 704 dev_priv->vbios.fp_no_ddc)) {
6ee73861
BS		 705 nv_connector->native_mode = drm_mode_duplicate(dev, &native);
706 goto out;
707 }
708
709 /* Still nothing, some VBIOS images have a hardcoded EDID block
710 * stored for the panel stored in them.
711 */
712 if (!nv_connector->edid && !nv_connector->native_mode &&
04a39c57 713 !dev_priv->vbios.fp_no_ddc) {
c8ebe275 714 struct edid *edid =
6ee73861 715 (struct edid *)nouveau_bios_embedded_edid(dev);
c8ebe275
XC		 716 if (edid) {
717 nv_connector->edid = kmalloc(EDID_LENGTH, GFP_KERNEL);
718 *(nv_connector->edid) = *edid;
719 }
6ee73861
BS		 720 }
721
722 if (!nv_connector->edid)
723 goto out;
724
725 /* We didn't find/use a panel mode from the VBIOS, so parse the EDID
726 * block and look for the preferred mode there.
727 */
728 ret = drm_add_edid_modes(connector, nv_connector->edid);
729 if (ret == 0)
730 goto out;
731 nv_connector->detected_encoder = nv_encoder;
732 nv_connector->native_mode = nouveau_connector_native_mode(nv_connector);
733 list_for_each_entry_safe(mode, temp, &connector->probed_modes, head)
734 drm_mode_remove(connector, mode);
735
736out:
737 if (!nv_connector->native_mode) {
738 NV_ERROR(dev, "LVDS present in DCB table, but couldn't "
739 "determine its native mode. Disabling.\n");
740 return -ENODEV;
741 }
742
743 drm_mode_connector_update_edid_property(connector, nv_connector->edid);
744 return 0;
745}
746
747int
7f612d87
BS		 748nouveau_connector_create(struct drm_device *dev,
749 struct dcb_connector_table_entry *dcb)
6ee73861
BS		 750{
751 struct drm_nouveau_private *dev_priv = dev->dev_private;
752 struct nouveau_connector *nv_connector = NULL;
753 struct drm_connector *connector;
754 struct drm_encoder *encoder;
7f612d87 755 int ret, type;
6ee73861 756
ef2bb506 757 NV_DEBUG_KMS(dev, "\n");
6ee73861 758
7f612d87
BS		 759 switch (dcb->type) {
760 case DCB_CONNECTOR_NONE:
761 return 0;
762 case DCB_CONNECTOR_VGA:
6ee73861 763 NV_INFO(dev, "Detected a VGA connector\n");
7f612d87 764 type = DRM_MODE_CONNECTOR_VGA;
6ee73861 765 break;
7f612d87
BS		 766 case DCB_CONNECTOR_TV_0:
767 case DCB_CONNECTOR_TV_1:
768 case DCB_CONNECTOR_TV_3:
769 NV_INFO(dev, "Detected a TV connector\n");
770 type = DRM_MODE_CONNECTOR_TV;
6ee73861 771 break;
7f612d87 772 case DCB_CONNECTOR_DVI_I:
6ee73861 773 NV_INFO(dev, "Detected a DVI-I connector\n");
7f612d87 774 type = DRM_MODE_CONNECTOR_DVII;
6ee73861 775 break;
7f612d87 776 case DCB_CONNECTOR_DVI_D:
7f612d87
BS		 777 NV_INFO(dev, "Detected a DVI-D connector\n");
778 type = DRM_MODE_CONNECTOR_DVID;
6ee73861 779 break;
be079e97
BS		 780 case DCB_CONNECTOR_HDMI_0:
781 case DCB_CONNECTOR_HDMI_1:
782 NV_INFO(dev, "Detected a HDMI connector\n");
783 type = DRM_MODE_CONNECTOR_HDMIA;
784 break;
7f612d87
BS		 785 case DCB_CONNECTOR_LVDS:
786 NV_INFO(dev, "Detected a LVDS connector\n");
787 type = DRM_MODE_CONNECTOR_LVDS;
6ee73861 788 break;
7f612d87 789 case DCB_CONNECTOR_DP:
6ee73861 790 NV_INFO(dev, "Detected a DisplayPort connector\n");
7f612d87 791 type = DRM_MODE_CONNECTOR_DisplayPort;
6ee73861 792 break;
be079e97
BS		 793 case DCB_CONNECTOR_eDP:
794 NV_INFO(dev, "Detected an eDP connector\n");
795 type = DRM_MODE_CONNECTOR_eDP;
796 break;
6ee73861 797 default:
7f612d87
BS		 798 NV_ERROR(dev, "unknown connector type: 0x%02x!!\n", dcb->type);
799 return -EINVAL;
6ee73861
BS		 800 }
801
7f612d87
BS		 802 nv_connector = kzalloc(sizeof(*nv_connector), GFP_KERNEL);
803 if (!nv_connector)
804 return -ENOMEM;
805 nv_connector->dcb = dcb;
806 connector = &nv_connector->base;
807
6ee73861
BS		 808 /* defaults, will get overridden in detect() */
809 connector->interlace_allowed = false;
810 connector->doublescan_allowed = false;
811
812 drm_connector_init(dev, connector, &nouveau_connector_funcs, type);
813 drm_connector_helper_add(connector, &nouveau_connector_helper_funcs);
814
7f612d87
BS		 815 /* attach encoders */
816 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
817 struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
818
819 if (nv_encoder->dcb->connector != dcb->index)
820 continue;
821
822 if (get_slave_funcs(nv_encoder))
823 get_slave_funcs(nv_encoder)->create_resources(encoder, connector);
824
825 drm_mode_connector_attach_encoder(connector, encoder);
826 }
827
828 if (!connector->encoder_ids[0]) {
829 NV_WARN(dev, " no encoders, ignoring\n");
830 drm_connector_cleanup(connector);
831 kfree(connector);
832 return 0;
833 }
834
6ee73861 835 /* Init DVI-I specific properties */
be079e97 836 if (dcb->type == DCB_CONNECTOR_DVI_I) {
6ee73861
BS		 837 drm_mode_create_dvi_i_properties(dev);
838 drm_connector_attach_property(connector, dev->mode_config.dvi_i_subconnector_property, 0);
839 drm_connector_attach_property(connector, dev->mode_config.dvi_i_select_subconnector_property, 0);
840 }
841
be079e97 842 if (dcb->type != DCB_CONNECTOR_LVDS)
6ee73861
BS		 843 nv_connector->use_dithering = false;
844
be079e97
BS		 845 switch (dcb->type) {
846 case DCB_CONNECTOR_VGA:
eb1f8e4f 847 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
be079e97 848 if (dev_priv->card_type >= NV_50) {
6ee73861
BS		 849 drm_connector_attach_property(connector,
850 dev->mode_config.scaling_mode_property,
851 nv_connector->scaling_mode);
852 }
be079e97
BS		 853 /* fall-through */
854 case DCB_CONNECTOR_TV_0:
855 case DCB_CONNECTOR_TV_1:
856 case DCB_CONNECTOR_TV_3:
857 nv_connector->scaling_mode = DRM_MODE_SCALE_NONE;
858 break;
eb1f8e4f
DA		 859 case DCB_CONNECTOR_DP:
860 case DCB_CONNECTOR_eDP:
861 case DCB_CONNECTOR_HDMI_0:
862 case DCB_CONNECTOR_HDMI_1:
863 case DCB_CONNECTOR_DVI_I:
864 case DCB_CONNECTOR_DVI_D:
865 if (dev_priv->card_type >= NV_50)
866 connector->polled = DRM_CONNECTOR_POLL_HPD;
867 else
868 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
869 /* fall-through */
be079e97
BS		 870 default:
871 nv_connector->scaling_mode = DRM_MODE_SCALE_FULLSCREEN;
872
873 drm_connector_attach_property(connector,
874 dev->mode_config.scaling_mode_property,
875 nv_connector->scaling_mode);
876 drm_connector_attach_property(connector,
877 dev->mode_config.dithering_mode_property,
878 nv_connector->use_dithering ?
879 DRM_MODE_DITHERING_ON : DRM_MODE_DITHERING_OFF);
880 break;
6ee73861
BS		 881 }
882
6ee73861
BS		 883 drm_sysfs_connector_add(connector);
884
be079e97 885 if (dcb->type == DCB_CONNECTOR_LVDS) {
6ee73861
BS		 886 ret = nouveau_connector_create_lvds(dev, connector);
887 if (ret) {
888 connector->funcs->destroy(connector);
889 return ret;
890 }
891 }
892
893 return 0;
894}
Clone of davem's net-next-2.6 tree