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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
27#include <acpi/button.h>
28
29#include "drmP.h"
30#include "drm_edid.h"
31#include "drm_crtc_helper.h"
32
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 void nouveau_connector_hotplug(void *, int);
41
42static struct nouveau_encoder *
43find_encoder(struct drm_connector *connector, int type)
44{
45 struct drm_device *dev = connector->dev;
46 struct nouveau_encoder *nv_encoder;
47 struct drm_mode_object *obj;
48 int i, id;
49
50 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
51 id = connector->encoder_ids[i];
52 if (!id)
53 break;
54
55 obj = drm_mode_object_find(dev, id, DRM_MODE_OBJECT_ENCODER);
56 if (!obj)
57 continue;
58 nv_encoder = nouveau_encoder(obj_to_encoder(obj));
59
60 if (type == OUTPUT_ANY || nv_encoder->dcb->type == type)
61 return nv_encoder;
62 }
63
64 return NULL;
65}
66
67struct nouveau_connector *
68nouveau_encoder_connector_get(struct nouveau_encoder *encoder)
69{
70 struct drm_device *dev = to_drm_encoder(encoder)->dev;
71 struct drm_connector *drm_connector;
72
73 list_for_each_entry(drm_connector, &dev->mode_config.connector_list, head) {
74 if (drm_connector->encoder == to_drm_encoder(encoder))
75 return nouveau_connector(drm_connector);
76 }
77
78 return NULL;
79}
80
81/*TODO: This could use improvement, and learn to handle the fixed
82 * BIOS tables etc. It's fine currently, for its only user.
83 */
84int
85nouveau_connector_bpp(struct drm_connector *connector)
86{
87 struct nouveau_connector *nv_connector = nouveau_connector(connector);
88
89 if (nv_connector->edid && nv_connector->edid->revision >= 4) {
90 u8 bpc = ((nv_connector->edid->input & 0x70) >> 3) + 4;
91 if (bpc > 4)
92 return bpc;
93 }
94
95 return 18;
96}
97
98static void
99nouveau_connector_destroy(struct drm_connector *connector)
100{
101 struct nouveau_connector *nv_connector = nouveau_connector(connector);
102 struct drm_nouveau_private *dev_priv;
103 struct nouveau_gpio_engine *pgpio;
104 struct drm_device *dev;
105
106 if (!nv_connector)
107 return;
108
109 dev = nv_connector->base.dev;
110 dev_priv = dev->dev_private;
111 NV_DEBUG_KMS(dev, "\n");
112
113 pgpio = &dev_priv->engine.gpio;
114 if (pgpio->irq_unregister) {
115 pgpio->irq_unregister(dev, nv_connector->dcb->gpio_tag,
116 nouveau_connector_hotplug, connector);
117 }
118
119 if (connector->connector_type == DRM_MODE_CONNECTOR_LVDS ||
120 connector->connector_type == DRM_MODE_CONNECTOR_eDP)
121 nouveau_backlight_exit(connector);
122
123 kfree(nv_connector->edid);
124 drm_sysfs_connector_remove(connector);
125 drm_connector_cleanup(connector);
126 kfree(connector);
127}
128
129static struct nouveau_i2c_chan *
130nouveau_connector_ddc_detect(struct drm_connector *connector,
131 struct nouveau_encoder **pnv_encoder)
132{
133 struct drm_device *dev = connector->dev;
134 int i;
135
136 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
137 struct nouveau_i2c_chan *i2c = NULL;
138 struct nouveau_encoder *nv_encoder;
139 struct drm_mode_object *obj;
140 int id;
141
142 id = connector->encoder_ids[i];
143 if (!id)
144 break;
145
146 obj = drm_mode_object_find(dev, id, DRM_MODE_OBJECT_ENCODER);
147 if (!obj)
148 continue;
149 nv_encoder = nouveau_encoder(obj_to_encoder(obj));
150
151 if (nv_encoder->dcb->i2c_index < 0xf)
152 i2c = nouveau_i2c_find(dev, nv_encoder->dcb->i2c_index);
153
154 if (i2c && nouveau_probe_i2c_addr(i2c, 0x50)) {
155 *pnv_encoder = nv_encoder;
156 return i2c;
157 }
158 }
159
160 return NULL;
161}
162
163static struct nouveau_encoder *
164nouveau_connector_of_detect(struct drm_connector *connector)
165{
166#ifdef __powerpc__
167 struct drm_device *dev = connector->dev;
168 struct nouveau_connector *nv_connector = nouveau_connector(connector);
169 struct nouveau_encoder *nv_encoder;
170 struct device_node *cn, *dn = pci_device_to_OF_node(dev->pdev);
171
172 if (!dn ||
173 !((nv_encoder = find_encoder(connector, OUTPUT_TMDS)) ||
174 (nv_encoder = find_encoder(connector, OUTPUT_ANALOG))))
175 return NULL;
176
177 for_each_child_of_node(dn, cn) {
178 const char *name = of_get_property(cn, "name", NULL);
179 const void *edid = of_get_property(cn, "EDID", NULL);
180 int idx = name ? name[strlen(name) - 1] - 'A' : 0;
181
182 if (nv_encoder->dcb->i2c_index == idx && edid) {
183 nv_connector->edid =
184 kmemdup(edid, EDID_LENGTH, GFP_KERNEL);
185 of_node_put(cn);
186 return nv_encoder;
187 }
188 }
189#endif
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
221 if (nv_connector->dcb->type == DCB_CONNECTOR_DVI_I) {
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, bool force)
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_encoder *nv_partner;
237 struct nouveau_i2c_chan *i2c;
238 int type;
239
240 /* Cleanup the previous EDID block. */
241 if (nv_connector->edid) {
242 drm_mode_connector_update_edid_property(connector, NULL);
243 kfree(nv_connector->edid);
244 nv_connector->edid = NULL;
245 }
246
247 i2c = nouveau_connector_ddc_detect(connector, &nv_encoder);
248 if (i2c) {
249 nv_connector->edid = drm_get_edid(connector, &i2c->adapter);
250 drm_mode_connector_update_edid_property(connector,
251 nv_connector->edid);
252 if (!nv_connector->edid) {
253 NV_ERROR(dev, "DDC responded, but no EDID for %s\n",
254 drm_get_connector_name(connector));
255 goto detect_analog;
256 }
257
258 if (nv_encoder->dcb->type == OUTPUT_DP &&
259 !nouveau_dp_detect(to_drm_encoder(nv_encoder))) {
260 NV_ERROR(dev, "Detected %s, but failed init\n",
261 drm_get_connector_name(connector));
262 return connector_status_disconnected;
263 }
264
265 /* Override encoder type for DVI-I based on whether EDID
266 * says the display is digital or analog, both use the
267 * same i2c channel so the value returned from ddc_detect
268 * isn't necessarily correct.
269 */
270 nv_partner = NULL;
271 if (nv_encoder->dcb->type == OUTPUT_TMDS)
272 nv_partner = find_encoder(connector, OUTPUT_ANALOG);
273 if (nv_encoder->dcb->type == OUTPUT_ANALOG)
274 nv_partner = find_encoder(connector, OUTPUT_TMDS);
275
276 if (nv_partner && ((nv_encoder->dcb->type == OUTPUT_ANALOG &&
277 nv_partner->dcb->type == OUTPUT_TMDS) ||
278 (nv_encoder->dcb->type == OUTPUT_TMDS &&
279 nv_partner->dcb->type == OUTPUT_ANALOG))) {
280 if (nv_connector->edid->input & DRM_EDID_INPUT_DIGITAL)
281 type = OUTPUT_TMDS;
282 else
283 type = OUTPUT_ANALOG;
284
285 nv_encoder = find_encoder(connector, type);
286 }
287
288 nouveau_connector_set_encoder(connector, nv_encoder);
289 return connector_status_connected;
290 }
291
292 nv_encoder = nouveau_connector_of_detect(connector);
293 if (nv_encoder) {
294 nouveau_connector_set_encoder(connector, nv_encoder);
295 return connector_status_connected;
296 }
297
298detect_analog:
299 nv_encoder = find_encoder(connector, OUTPUT_ANALOG);
300 if (!nv_encoder && !nouveau_tv_disable)
301 nv_encoder = find_encoder(connector, OUTPUT_TV);
302 if (nv_encoder && force) {
303 struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
304 struct drm_encoder_helper_funcs *helper =
305 encoder->helper_private;
306
307 if (helper->detect(encoder, connector) ==
308 connector_status_connected) {
309 nouveau_connector_set_encoder(connector, nv_encoder);
310 return connector_status_connected;
311 }
312
313 }
314
315 return connector_status_disconnected;
316}
317
318static enum drm_connector_status
319nouveau_connector_detect_lvds(struct drm_connector *connector, bool force)
320{
321 struct drm_device *dev = connector->dev;
322 struct drm_nouveau_private *dev_priv = dev->dev_private;
323 struct nouveau_connector *nv_connector = nouveau_connector(connector);
324 struct nouveau_encoder *nv_encoder = NULL;
325 enum drm_connector_status status = connector_status_disconnected;
326
327 /* Cleanup the previous EDID block. */
328 if (nv_connector->edid) {
329 drm_mode_connector_update_edid_property(connector, NULL);
330 kfree(nv_connector->edid);
331 nv_connector->edid = NULL;
332 }
333
334 nv_encoder = find_encoder(connector, OUTPUT_LVDS);
335 if (!nv_encoder)
336 return connector_status_disconnected;
337
338 /* Try retrieving EDID via DDC */
339 if (!dev_priv->vbios.fp_no_ddc) {
340 status = nouveau_connector_detect(connector, force);
341 if (status == connector_status_connected)
342 goto out;
343 }
344
345 /* On some laptops (Sony, i'm looking at you) there appears to
346 * be no direct way of accessing the panel's EDID. The only
347 * option available to us appears to be to ask ACPI for help..
348 *
349 * It's important this check's before trying straps, one of the
350 * said manufacturer's laptops are configured in such a way
351 * the nouveau decides an entry in the VBIOS FP mode table is
352 * valid - it's not (rh#613284)
353 */
354 if (nv_encoder->dcb->lvdsconf.use_acpi_for_edid) {
355 if (!nouveau_acpi_edid(dev, connector)) {
356 status = connector_status_connected;
357 goto out;
358 }
359 }
360
361 /* If no EDID found above, and the VBIOS indicates a hardcoded
362 * modeline is avalilable for the panel, set it as the panel's
363 * native mode and exit.
364 */
365 if (nouveau_bios_fp_mode(dev, NULL) && (dev_priv->vbios.fp_no_ddc ||
366 nv_encoder->dcb->lvdsconf.use_straps_for_mode)) {
367 status = connector_status_connected;
368 goto out;
369 }
370
371 /* Still nothing, some VBIOS images have a hardcoded EDID block
372 * stored for the panel stored in them.
373 */
374 if (!dev_priv->vbios.fp_no_ddc) {
375 struct edid *edid =
376 (struct edid *)nouveau_bios_embedded_edid(dev);
377 if (edid) {
378 nv_connector->edid = kmalloc(EDID_LENGTH, GFP_KERNEL);
379 *(nv_connector->edid) = *edid;
380 status = connector_status_connected;
381 }
382 }
383
384out:
385#if defined(CONFIG_ACPI_BUTTON) || \
386 (defined(CONFIG_ACPI_BUTTON_MODULE) && defined(MODULE))
387 if (status == connector_status_connected &&
388 !nouveau_ignorelid && !acpi_lid_open())
389 status = connector_status_unknown;
390#endif
391
392 drm_mode_connector_update_edid_property(connector, nv_connector->edid);
393 nouveau_connector_set_encoder(connector, nv_encoder);
394 return status;
395}
396
397static void
398nouveau_connector_force(struct drm_connector *connector)
399{
400 struct nouveau_connector *nv_connector = nouveau_connector(connector);
401 struct nouveau_encoder *nv_encoder;
402 int type;
403
404 if (nv_connector->dcb->type == DCB_CONNECTOR_DVI_I) {
405 if (connector->force == DRM_FORCE_ON_DIGITAL)
406 type = OUTPUT_TMDS;
407 else
408 type = OUTPUT_ANALOG;
409 } else
410 type = OUTPUT_ANY;
411
412 nv_encoder = find_encoder(connector, type);
413 if (!nv_encoder) {
414 NV_ERROR(connector->dev, "can't find encoder to force %s on!\n",
415 drm_get_connector_name(connector));
416 connector->status = connector_status_disconnected;
417 return;
418 }
419
420 nouveau_connector_set_encoder(connector, nv_encoder);
421}
422
423static int
424nouveau_connector_set_property(struct drm_connector *connector,
425 struct drm_property *property, uint64_t value)
426{
427 struct nouveau_connector *nv_connector = nouveau_connector(connector);
428 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
429 struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
430 struct drm_device *dev = connector->dev;
431 int ret;
432
433 /* Scaling mode */
434 if (property == dev->mode_config.scaling_mode_property) {
435 struct nouveau_crtc *nv_crtc = NULL;
436 bool modeset = false;
437
438 switch (value) {
439 case DRM_MODE_SCALE_NONE:
440 case DRM_MODE_SCALE_FULLSCREEN:
441 case DRM_MODE_SCALE_CENTER:
442 case DRM_MODE_SCALE_ASPECT:
443 break;
444 default:
445 return -EINVAL;
446 }
447
448 /* LVDS always needs gpu scaling */
449 if (connector->connector_type == DRM_MODE_CONNECTOR_LVDS &&
450 value == DRM_MODE_SCALE_NONE)
451 return -EINVAL;
452
453 /* Changing between GPU and panel scaling requires a full
454 * modeset
455 */
456 if ((nv_connector->scaling_mode == DRM_MODE_SCALE_NONE) ||
457 (value == DRM_MODE_SCALE_NONE))
458 modeset = true;
459 nv_connector->scaling_mode = value;
460
461 if (connector->encoder && connector->encoder->crtc)
462 nv_crtc = nouveau_crtc(connector->encoder->crtc);
463 if (!nv_crtc)
464 return 0;
465
466 if (modeset || !nv_crtc->set_scale) {
467 ret = drm_crtc_helper_set_mode(&nv_crtc->base,
468 &nv_crtc->base.mode,
469 nv_crtc->base.x,
470 nv_crtc->base.y, NULL);
471 if (!ret)
472 return -EINVAL;
473 } else {
474 ret = nv_crtc->set_scale(nv_crtc, value, true);
475 if (ret)
476 return ret;
477 }
478
479 return 0;
480 }
481
482 /* Dithering */
483 if (property == dev->mode_config.dithering_mode_property) {
484 struct nouveau_crtc *nv_crtc = NULL;
485
486 if (value == DRM_MODE_DITHERING_ON)
487 nv_connector->use_dithering = true;
488 else
489 nv_connector->use_dithering = false;
490
491 if (connector->encoder && connector->encoder->crtc)
492 nv_crtc = nouveau_crtc(connector->encoder->crtc);
493
494 if (!nv_crtc || !nv_crtc->set_dither)
495 return 0;
496
497 return nv_crtc->set_dither(nv_crtc, nv_connector->use_dithering,
498 true);
499 }
500
501 if (nv_encoder && nv_encoder->dcb->type == OUTPUT_TV)
502 return get_slave_funcs(encoder)->set_property(
503 encoder, connector, property, value);
504
505 return -EINVAL;
506}
507
508static struct drm_display_mode *
509nouveau_connector_native_mode(struct drm_connector *connector)
510{
511 struct drm_connector_helper_funcs *helper = connector->helper_private;
512 struct nouveau_connector *nv_connector = nouveau_connector(connector);
513 struct drm_device *dev = connector->dev;
514 struct drm_display_mode *mode, *largest = NULL;
515 int high_w = 0, high_h = 0, high_v = 0;
516
517 list_for_each_entry(mode, &nv_connector->base.probed_modes, head) {
518 mode->vrefresh = drm_mode_vrefresh(mode);
519 if (helper->mode_valid(connector, mode) != MODE_OK ||
520 (mode->flags & DRM_MODE_FLAG_INTERLACE))
521 continue;
522
523 /* Use preferred mode if there is one.. */
524 if (mode->type & DRM_MODE_TYPE_PREFERRED) {
525 NV_DEBUG_KMS(dev, "native mode from preferred\n");
526 return drm_mode_duplicate(dev, mode);
527 }
528
529 /* Otherwise, take the resolution with the largest width, then
530 * height, then vertical refresh
531 */
532 if (mode->hdisplay < high_w)
533 continue;
534
535 if (mode->hdisplay == high_w && mode->vdisplay < high_h)
536 continue;
537
538 if (mode->hdisplay == high_w && mode->vdisplay == high_h &&
539 mode->vrefresh < high_v)
540 continue;
541
542 high_w = mode->hdisplay;
543 high_h = mode->vdisplay;
544 high_v = mode->vrefresh;
545 largest = mode;
546 }
547
548 NV_DEBUG_KMS(dev, "native mode from largest: %dx%d@%d\n",
549 high_w, high_h, high_v);
550 return largest ? drm_mode_duplicate(dev, largest) : NULL;
551}
552
553struct moderec {
554 int hdisplay;
555 int vdisplay;
556};
557
558static struct moderec scaler_modes[] = {
559 { 1920, 1200 },
560 { 1920, 1080 },
561 { 1680, 1050 },
562 { 1600, 1200 },
563 { 1400, 1050 },
564 { 1280, 1024 },
565 { 1280, 960 },
566 { 1152, 864 },
567 { 1024, 768 },
568 { 800, 600 },
569 { 720, 400 },
570 { 640, 480 },
571 { 640, 400 },
572 { 640, 350 },
573 {}
574};
575
576static int
577nouveau_connector_scaler_modes_add(struct drm_connector *connector)
578{
579 struct nouveau_connector *nv_connector = nouveau_connector(connector);
580 struct drm_display_mode *native = nv_connector->native_mode, *m;
581 struct drm_device *dev = connector->dev;
582 struct moderec *mode = &scaler_modes[0];
583 int modes = 0;
584
585 if (!native)
586 return 0;
587
588 while (mode->hdisplay) {
589 if (mode->hdisplay <= native->hdisplay &&
590 mode->vdisplay <= native->vdisplay) {
591 m = drm_cvt_mode(dev, mode->hdisplay, mode->vdisplay,
592 drm_mode_vrefresh(native), false,
593 false, false);
594 if (!m)
595 continue;
596
597 m->type |= DRM_MODE_TYPE_DRIVER;
598
599 drm_mode_probed_add(connector, m);
600 modes++;
601 }
602
603 mode++;
604 }
605
606 return modes;
607}
608
609static int
610nouveau_connector_get_modes(struct drm_connector *connector)
611{
612 struct drm_device *dev = connector->dev;
613 struct drm_nouveau_private *dev_priv = dev->dev_private;
614 struct nouveau_connector *nv_connector = nouveau_connector(connector);
615 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
616 struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
617 int ret = 0;
618
619 /* destroy the native mode, the attached monitor could have changed.
620 */
621 if (nv_connector->native_mode) {
622 drm_mode_destroy(dev, nv_connector->native_mode);
623 nv_connector->native_mode = NULL;
624 }
625
626 if (nv_connector->edid)
627 ret = drm_add_edid_modes(connector, nv_connector->edid);
628 else
629 if (nv_encoder->dcb->type == OUTPUT_LVDS &&
630 (nv_encoder->dcb->lvdsconf.use_straps_for_mode ||
631 dev_priv->vbios.fp_no_ddc) && nouveau_bios_fp_mode(dev, NULL)) {
632 struct drm_display_mode mode;
633
634 nouveau_bios_fp_mode(dev, &mode);
635 nv_connector->native_mode = drm_mode_duplicate(dev, &mode);
636 }
637
638 /* Find the native mode if this is a digital panel, if we didn't
639 * find any modes through DDC previously add the native mode to
640 * the list of modes.
641 */
642 if (!nv_connector->native_mode)
643 nv_connector->native_mode =
644 nouveau_connector_native_mode(connector);
645 if (ret == 0 && nv_connector->native_mode) {
646 struct drm_display_mode *mode;
647
648 mode = drm_mode_duplicate(dev, nv_connector->native_mode);
649 drm_mode_probed_add(connector, mode);
650 ret = 1;
651 }
652
653 if (nv_encoder->dcb->type == OUTPUT_TV)
654 ret = get_slave_funcs(encoder)->get_modes(encoder, connector);
655
656 if (nv_connector->dcb->type == DCB_CONNECTOR_LVDS ||
657 nv_connector->dcb->type == DCB_CONNECTOR_LVDS_SPWG ||
658 nv_connector->dcb->type == DCB_CONNECTOR_eDP)
659 ret += nouveau_connector_scaler_modes_add(connector);
660
661 return ret;
662}
663
664static unsigned
665get_tmds_link_bandwidth(struct drm_connector *connector)
666{
667 struct nouveau_connector *nv_connector = nouveau_connector(connector);
668 struct drm_nouveau_private *dev_priv = connector->dev->dev_private;
669 struct dcb_entry *dcb = nv_connector->detected_encoder->dcb;
670
671 if (dcb->location != DCB_LOC_ON_CHIP ||
672 dev_priv->chipset >= 0x46)
673 return 165000;
674 else if (dev_priv->chipset >= 0x40)
675 return 155000;
676 else if (dev_priv->chipset >= 0x18)
677 return 135000;
678 else
679 return 112000;
680}
681
682static int
683nouveau_connector_mode_valid(struct drm_connector *connector,
684 struct drm_display_mode *mode)
685{
686 struct nouveau_connector *nv_connector = nouveau_connector(connector);
687 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
688 struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
689 unsigned min_clock = 25000, max_clock = min_clock;
690 unsigned clock = mode->clock;
691
692 switch (nv_encoder->dcb->type) {
693 case OUTPUT_LVDS:
694 if (nv_connector->native_mode &&
695 (mode->hdisplay > nv_connector->native_mode->hdisplay ||
696 mode->vdisplay > nv_connector->native_mode->vdisplay))
697 return MODE_PANEL;
698
699 min_clock = 0;
700 max_clock = 400000;
701 break;
702 case OUTPUT_TMDS:
703 max_clock = get_tmds_link_bandwidth(connector);
704 if (nouveau_duallink && nv_encoder->dcb->duallink_possible)
705 max_clock *= 2;
706 break;
707 case OUTPUT_ANALOG:
708 max_clock = nv_encoder->dcb->crtconf.maxfreq;
709 if (!max_clock)
710 max_clock = 350000;
711 break;
712 case OUTPUT_TV:
713 return get_slave_funcs(encoder)->mode_valid(encoder, mode);
714 case OUTPUT_DP:
715 if (nv_encoder->dp.link_bw == DP_LINK_BW_2_7)
716 max_clock = nv_encoder->dp.link_nr * 270000;
717 else
718 max_clock = nv_encoder->dp.link_nr * 162000;
719
720 clock = clock * nouveau_connector_bpp(connector) / 8;
721 break;
722 default:
723 BUG_ON(1);
724 return MODE_BAD;
725 }
726
727 if (clock < min_clock)
728 return MODE_CLOCK_LOW;
729
730 if (clock > max_clock)
731 return MODE_CLOCK_HIGH;
732
733 return MODE_OK;
734}
735
736static struct drm_encoder *
737nouveau_connector_best_encoder(struct drm_connector *connector)
738{
739 struct nouveau_connector *nv_connector = nouveau_connector(connector);
740
741 if (nv_connector->detected_encoder)
742 return to_drm_encoder(nv_connector->detected_encoder);
743
744 return NULL;
745}
746
747static const struct drm_connector_helper_funcs
748nouveau_connector_helper_funcs = {
749 .get_modes = nouveau_connector_get_modes,
750 .mode_valid = nouveau_connector_mode_valid,
751 .best_encoder = nouveau_connector_best_encoder,
752};
753
754static const struct drm_connector_funcs
755nouveau_connector_funcs = {
756 .dpms = drm_helper_connector_dpms,
757 .save = NULL,
758 .restore = NULL,
759 .detect = nouveau_connector_detect,
760 .destroy = nouveau_connector_destroy,
761 .fill_modes = drm_helper_probe_single_connector_modes,
762 .set_property = nouveau_connector_set_property,
763 .force = nouveau_connector_force
764};
765
766static const struct drm_connector_funcs
767nouveau_connector_funcs_lvds = {
768 .dpms = drm_helper_connector_dpms,
769 .save = NULL,
770 .restore = NULL,
771 .detect = nouveau_connector_detect_lvds,
772 .destroy = nouveau_connector_destroy,
773 .fill_modes = drm_helper_probe_single_connector_modes,
774 .set_property = nouveau_connector_set_property,
775 .force = nouveau_connector_force
776};
777
778struct drm_connector *
779nouveau_connector_create(struct drm_device *dev, int index)
780{
781 const struct drm_connector_funcs *funcs = &nouveau_connector_funcs;
782 struct drm_nouveau_private *dev_priv = dev->dev_private;
783 struct nouveau_gpio_engine *pgpio = &dev_priv->engine.gpio;
784 struct nouveau_connector *nv_connector = NULL;
785 struct dcb_connector_table_entry *dcb = NULL;
786 struct drm_connector *connector;
787 int type, ret = 0;
788
789 NV_DEBUG_KMS(dev, "\n");
790
791 if (index >= dev_priv->vbios.dcb.connector.entries)
792 return ERR_PTR(-EINVAL);
793
794 dcb = &dev_priv->vbios.dcb.connector.entry[index];
795 if (dcb->drm)
796 return dcb->drm;
797
798 switch (dcb->type) {
799 case DCB_CONNECTOR_VGA:
800 type = DRM_MODE_CONNECTOR_VGA;
801 break;
802 case DCB_CONNECTOR_TV_0:
803 case DCB_CONNECTOR_TV_1:
804 case DCB_CONNECTOR_TV_3:
805 type = DRM_MODE_CONNECTOR_TV;
806 break;
807 case DCB_CONNECTOR_DVI_I:
808 type = DRM_MODE_CONNECTOR_DVII;
809 break;
810 case DCB_CONNECTOR_DVI_D:
811 type = DRM_MODE_CONNECTOR_DVID;
812 break;
813 case DCB_CONNECTOR_HDMI_0:
814 case DCB_CONNECTOR_HDMI_1:
815 type = DRM_MODE_CONNECTOR_HDMIA;
816 break;
817 case DCB_CONNECTOR_LVDS:
818 case DCB_CONNECTOR_LVDS_SPWG:
819 type = DRM_MODE_CONNECTOR_LVDS;
820 funcs = &nouveau_connector_funcs_lvds;
821 break;
822 case DCB_CONNECTOR_DP:
823 type = DRM_MODE_CONNECTOR_DisplayPort;
824 break;
825 case DCB_CONNECTOR_eDP:
826 type = DRM_MODE_CONNECTOR_eDP;
827 break;
828 default:
829 NV_ERROR(dev, "unknown connector type: 0x%02x!!\n", dcb->type);
830 return ERR_PTR(-EINVAL);
831 }
832
833 nv_connector = kzalloc(sizeof(*nv_connector), GFP_KERNEL);
834 if (!nv_connector)
835 return ERR_PTR(-ENOMEM);
836 nv_connector->dcb = dcb;
837 connector = &nv_connector->base;
838
839 /* defaults, will get overridden in detect() */
840 connector->interlace_allowed = false;
841 connector->doublescan_allowed = false;
842
843 drm_connector_init(dev, connector, funcs, type);
844 drm_connector_helper_add(connector, &nouveau_connector_helper_funcs);
845
846 /* Check if we need dithering enabled */
847 if (connector->connector_type == DRM_MODE_CONNECTOR_LVDS) {
848 bool dummy, is_24bit = false;
849
850 ret = nouveau_bios_parse_lvds_table(dev, 0, &dummy, &is_24bit);
851 if (ret) {
852 NV_ERROR(dev, "Error parsing LVDS table, disabling "
853 "LVDS\n");
854 goto fail;
855 }
856
857 nv_connector->use_dithering = !is_24bit;
858 }
859
860 /* Init DVI-I specific properties */
861 if (dcb->type == DCB_CONNECTOR_DVI_I) {
862 drm_mode_create_dvi_i_properties(dev);
863 drm_connector_attach_property(connector, dev->mode_config.dvi_i_subconnector_property, 0);
864 drm_connector_attach_property(connector, dev->mode_config.dvi_i_select_subconnector_property, 0);
865 }
866
867 switch (dcb->type) {
868 case DCB_CONNECTOR_VGA:
869 if (dev_priv->card_type >= NV_50) {
870 drm_connector_attach_property(connector,
871 dev->mode_config.scaling_mode_property,
872 nv_connector->scaling_mode);
873 }
874 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
875 /* fall-through */
876 case DCB_CONNECTOR_TV_0:
877 case DCB_CONNECTOR_TV_1:
878 case DCB_CONNECTOR_TV_3:
879 nv_connector->scaling_mode = DRM_MODE_SCALE_NONE;
880 break;
881 default:
882 nv_connector->scaling_mode = DRM_MODE_SCALE_FULLSCREEN;
883
884 drm_connector_attach_property(connector,
885 dev->mode_config.scaling_mode_property,
886 nv_connector->scaling_mode);
887 drm_connector_attach_property(connector,
888 dev->mode_config.dithering_mode_property,
889 nv_connector->use_dithering ?
890 DRM_MODE_DITHERING_ON : DRM_MODE_DITHERING_OFF);
891
892 if (connector->connector_type != DRM_MODE_CONNECTOR_LVDS) {
893 if (dev_priv->card_type >= NV_50)
894 connector->polled = DRM_CONNECTOR_POLL_HPD;
895 else
896 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
897 }
898 break;
899 }
900
901 if (pgpio->irq_register) {
902 pgpio->irq_register(dev, nv_connector->dcb->gpio_tag,
903 nouveau_connector_hotplug, connector);
904 }
905
906 drm_sysfs_connector_add(connector);
907
908 if (connector->connector_type == DRM_MODE_CONNECTOR_LVDS ||
909 connector->connector_type == DRM_MODE_CONNECTOR_eDP)
910 nouveau_backlight_init(connector);
911
912 dcb->drm = connector;
913 return dcb->drm;
914
915fail:
916 drm_connector_cleanup(connector);
917 kfree(connector);
918 return ERR_PTR(ret);
919
920}
921
922static void
923nouveau_connector_hotplug(void *data, int plugged)
924{
925 struct drm_connector *connector = data;
926 struct drm_device *dev = connector->dev;
927
928 NV_INFO(dev, "%splugged %s\n", plugged ? "" : "un",
929 drm_get_connector_name(connector));
930
931 if (connector->encoder && connector->encoder->crtc &&
932 connector->encoder->crtc->enabled) {
933 struct nouveau_encoder *nv_encoder = nouveau_encoder(connector->encoder);
934 struct drm_encoder_helper_funcs *helper =
935 connector->encoder->helper_private;
936
937 if (nv_encoder->dcb->type == OUTPUT_DP) {
938 if (plugged)
939 helper->dpms(connector->encoder, DRM_MODE_DPMS_ON);
940 else
941 helper->dpms(connector->encoder, DRM_MODE_DPMS_OFF);
942 }
943 }
944
945 drm_helper_hpd_irq_event(dev);
946}
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
27#include <acpi/button.h>
28
29#include <linux/pm_runtime.h>
30#include <linux/vga_switcheroo.h>
31
32#include <drm/drmP.h>
33#include <drm/drm_edid.h>
34#include <drm/drm_crtc_helper.h>
35
36#include "nouveau_reg.h"
37#include "nouveau_drm.h"
38#include "dispnv04/hw.h"
39#include "nouveau_acpi.h"
40
41#include "nouveau_display.h"
42#include "nouveau_connector.h"
43#include "nouveau_encoder.h"
44#include "nouveau_crtc.h"
45
46#include <nvif/class.h>
47#include <nvif/cl0046.h>
48#include <nvif/event.h>
49
50MODULE_PARM_DESC(tv_disable, "Disable TV-out detection");
51int nouveau_tv_disable = 0;
52module_param_named(tv_disable, nouveau_tv_disable, int, 0400);
53
54MODULE_PARM_DESC(ignorelid, "Ignore ACPI lid status");
55int nouveau_ignorelid = 0;
56module_param_named(ignorelid, nouveau_ignorelid, int, 0400);
57
58MODULE_PARM_DESC(duallink, "Allow dual-link TMDS (default: enabled)");
59int nouveau_duallink = 1;
60module_param_named(duallink, nouveau_duallink, int, 0400);
61
62MODULE_PARM_DESC(hdmimhz, "Force a maximum HDMI pixel clock (in MHz)");
63int nouveau_hdmimhz = 0;
64module_param_named(hdmimhz, nouveau_hdmimhz, int, 0400);
65
66struct nouveau_encoder *
67find_encoder(struct drm_connector *connector, int type)
68{
69 struct drm_device *dev = connector->dev;
70 struct nouveau_encoder *nv_encoder;
71 struct drm_encoder *enc;
72 int i, id;
73
74 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
75 id = connector->encoder_ids[i];
76 if (!id)
77 break;
78
79 enc = drm_encoder_find(dev, id);
80 if (!enc)
81 continue;
82 nv_encoder = nouveau_encoder(enc);
83
84 if (type == DCB_OUTPUT_ANY ||
85 (nv_encoder->dcb && nv_encoder->dcb->type == type))
86 return nv_encoder;
87 }
88
89 return NULL;
90}
91
92struct nouveau_connector *
93nouveau_encoder_connector_get(struct nouveau_encoder *encoder)
94{
95 struct drm_device *dev = to_drm_encoder(encoder)->dev;
96 struct drm_connector *drm_connector;
97
98 list_for_each_entry(drm_connector, &dev->mode_config.connector_list, head) {
99 if (drm_connector->encoder == to_drm_encoder(encoder))
100 return nouveau_connector(drm_connector);
101 }
102
103 return NULL;
104}
105
106static void
107nouveau_connector_destroy(struct drm_connector *connector)
108{
109 struct nouveau_connector *nv_connector = nouveau_connector(connector);
110 nvif_notify_fini(&nv_connector->hpd);
111 kfree(nv_connector->edid);
112 drm_connector_unregister(connector);
113 drm_connector_cleanup(connector);
114 if (nv_connector->aux.transfer)
115 drm_dp_aux_unregister(&nv_connector->aux);
116 kfree(connector);
117}
118
119static struct nouveau_encoder *
120nouveau_connector_ddc_detect(struct drm_connector *connector)
121{
122 struct drm_device *dev = connector->dev;
123 struct nouveau_connector *nv_connector = nouveau_connector(connector);
124 struct nouveau_drm *drm = nouveau_drm(dev);
125 struct nvkm_gpio *gpio = nvxx_gpio(&drm->device);
126 struct nouveau_encoder *nv_encoder;
127 struct drm_encoder *encoder;
128 int i, panel = -ENODEV;
129
130 /* eDP panels need powering on by us (if the VBIOS doesn't default it
131 * to on) before doing any AUX channel transactions. LVDS panel power
132 * is handled by the SOR itself, and not required for LVDS DDC.
133 */
134 if (nv_connector->type == DCB_CONNECTOR_eDP) {
135 panel = nvkm_gpio_get(gpio, 0, DCB_GPIO_PANEL_POWER, 0xff);
136 if (panel == 0) {
137 nvkm_gpio_set(gpio, 0, DCB_GPIO_PANEL_POWER, 0xff, 1);
138 msleep(300);
139 }
140 }
141
142 for (i = 0; nv_encoder = NULL, i < DRM_CONNECTOR_MAX_ENCODER; i++) {
143 int id = connector->encoder_ids[i];
144 if (id == 0)
145 break;
146
147 encoder = drm_encoder_find(dev, id);
148 if (!encoder)
149 continue;
150 nv_encoder = nouveau_encoder(encoder);
151
152 if (nv_encoder->dcb->type == DCB_OUTPUT_DP) {
153 int ret = nouveau_dp_detect(nv_encoder);
154 if (ret == 0)
155 break;
156 } else
157 if ((vga_switcheroo_handler_flags() &
158 VGA_SWITCHEROO_CAN_SWITCH_DDC) &&
159 nv_encoder->dcb->type == DCB_OUTPUT_LVDS &&
160 nv_encoder->i2c) {
161 int ret;
162 vga_switcheroo_lock_ddc(dev->pdev);
163 ret = nvkm_probe_i2c(nv_encoder->i2c, 0x50);
164 vga_switcheroo_unlock_ddc(dev->pdev);
165 if (ret)
166 break;
167 } else
168 if (nv_encoder->i2c) {
169 if (nvkm_probe_i2c(nv_encoder->i2c, 0x50))
170 break;
171 }
172 }
173
174 /* eDP panel not detected, restore panel power GPIO to previous
175 * state to avoid confusing the SOR for other output types.
176 */
177 if (!nv_encoder && panel == 0)
178 nvkm_gpio_set(gpio, 0, DCB_GPIO_PANEL_POWER, 0xff, panel);
179
180 return nv_encoder;
181}
182
183static struct nouveau_encoder *
184nouveau_connector_of_detect(struct drm_connector *connector)
185{
186#ifdef __powerpc__
187 struct drm_device *dev = connector->dev;
188 struct nouveau_connector *nv_connector = nouveau_connector(connector);
189 struct nouveau_encoder *nv_encoder;
190 struct device_node *cn, *dn = pci_device_to_OF_node(dev->pdev);
191
192 if (!dn ||
193 !((nv_encoder = find_encoder(connector, DCB_OUTPUT_TMDS)) ||
194 (nv_encoder = find_encoder(connector, DCB_OUTPUT_ANALOG))))
195 return NULL;
196
197 for_each_child_of_node(dn, cn) {
198 const char *name = of_get_property(cn, "name", NULL);
199 const void *edid = of_get_property(cn, "EDID", NULL);
200 int idx = name ? name[strlen(name) - 1] - 'A' : 0;
201
202 if (nv_encoder->dcb->i2c_index == idx && edid) {
203 nv_connector->edid =
204 kmemdup(edid, EDID_LENGTH, GFP_KERNEL);
205 of_node_put(cn);
206 return nv_encoder;
207 }
208 }
209#endif
210 return NULL;
211}
212
213static void
214nouveau_connector_set_encoder(struct drm_connector *connector,
215 struct nouveau_encoder *nv_encoder)
216{
217 struct nouveau_connector *nv_connector = nouveau_connector(connector);
218 struct nouveau_drm *drm = nouveau_drm(connector->dev);
219 struct drm_device *dev = connector->dev;
220
221 if (nv_connector->detected_encoder == nv_encoder)
222 return;
223 nv_connector->detected_encoder = nv_encoder;
224
225 if (drm->device.info.family >= NV_DEVICE_INFO_V0_TESLA) {
226 connector->interlace_allowed = true;
227 connector->doublescan_allowed = true;
228 } else
229 if (nv_encoder->dcb->type == DCB_OUTPUT_LVDS ||
230 nv_encoder->dcb->type == DCB_OUTPUT_TMDS) {
231 connector->doublescan_allowed = false;
232 connector->interlace_allowed = false;
233 } else {
234 connector->doublescan_allowed = true;
235 if (drm->device.info.family == NV_DEVICE_INFO_V0_KELVIN ||
236 (drm->device.info.family == NV_DEVICE_INFO_V0_CELSIUS &&
237 (dev->pdev->device & 0x0ff0) != 0x0100 &&
238 (dev->pdev->device & 0x0ff0) != 0x0150))
239 /* HW is broken */
240 connector->interlace_allowed = false;
241 else
242 connector->interlace_allowed = true;
243 }
244
245 if (nv_connector->type == DCB_CONNECTOR_DVI_I) {
246 drm_object_property_set_value(&connector->base,
247 dev->mode_config.dvi_i_subconnector_property,
248 nv_encoder->dcb->type == DCB_OUTPUT_TMDS ?
249 DRM_MODE_SUBCONNECTOR_DVID :
250 DRM_MODE_SUBCONNECTOR_DVIA);
251 }
252}
253
254static enum drm_connector_status
255nouveau_connector_detect(struct drm_connector *connector, bool force)
256{
257 struct drm_device *dev = connector->dev;
258 struct nouveau_drm *drm = nouveau_drm(dev);
259 struct nouveau_connector *nv_connector = nouveau_connector(connector);
260 struct nouveau_encoder *nv_encoder = NULL;
261 struct nouveau_encoder *nv_partner;
262 struct i2c_adapter *i2c;
263 int type;
264 int ret;
265 enum drm_connector_status conn_status = connector_status_disconnected;
266
267 /* Cleanup the previous EDID block. */
268 if (nv_connector->edid) {
269 drm_mode_connector_update_edid_property(connector, NULL);
270 kfree(nv_connector->edid);
271 nv_connector->edid = NULL;
272 }
273
274 ret = pm_runtime_get_sync(connector->dev->dev);
275 if (ret < 0 && ret != -EACCES)
276 return conn_status;
277
278 nv_encoder = nouveau_connector_ddc_detect(connector);
279 if (nv_encoder && (i2c = nv_encoder->i2c) != NULL) {
280 if ((vga_switcheroo_handler_flags() &
281 VGA_SWITCHEROO_CAN_SWITCH_DDC) &&
282 nv_connector->type == DCB_CONNECTOR_LVDS)
283 nv_connector->edid = drm_get_edid_switcheroo(connector,
284 i2c);
285 else
286 nv_connector->edid = drm_get_edid(connector, i2c);
287
288 drm_mode_connector_update_edid_property(connector,
289 nv_connector->edid);
290 if (!nv_connector->edid) {
291 NV_ERROR(drm, "DDC responded, but no EDID for %s\n",
292 connector->name);
293 goto detect_analog;
294 }
295
296 /* Override encoder type for DVI-I based on whether EDID
297 * says the display is digital or analog, both use the
298 * same i2c channel so the value returned from ddc_detect
299 * isn't necessarily correct.
300 */
301 nv_partner = NULL;
302 if (nv_encoder->dcb->type == DCB_OUTPUT_TMDS)
303 nv_partner = find_encoder(connector, DCB_OUTPUT_ANALOG);
304 if (nv_encoder->dcb->type == DCB_OUTPUT_ANALOG)
305 nv_partner = find_encoder(connector, DCB_OUTPUT_TMDS);
306
307 if (nv_partner && ((nv_encoder->dcb->type == DCB_OUTPUT_ANALOG &&
308 nv_partner->dcb->type == DCB_OUTPUT_TMDS) ||
309 (nv_encoder->dcb->type == DCB_OUTPUT_TMDS &&
310 nv_partner->dcb->type == DCB_OUTPUT_ANALOG))) {
311 if (nv_connector->edid->input & DRM_EDID_INPUT_DIGITAL)
312 type = DCB_OUTPUT_TMDS;
313 else
314 type = DCB_OUTPUT_ANALOG;
315
316 nv_encoder = find_encoder(connector, type);
317 }
318
319 nouveau_connector_set_encoder(connector, nv_encoder);
320 conn_status = connector_status_connected;
321 goto out;
322 }
323
324 nv_encoder = nouveau_connector_of_detect(connector);
325 if (nv_encoder) {
326 nouveau_connector_set_encoder(connector, nv_encoder);
327 conn_status = connector_status_connected;
328 goto out;
329 }
330
331detect_analog:
332 nv_encoder = find_encoder(connector, DCB_OUTPUT_ANALOG);
333 if (!nv_encoder && !nouveau_tv_disable)
334 nv_encoder = find_encoder(connector, DCB_OUTPUT_TV);
335 if (nv_encoder && force) {
336 struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
337 const struct drm_encoder_helper_funcs *helper =
338 encoder->helper_private;
339
340 if (helper->detect(encoder, connector) ==
341 connector_status_connected) {
342 nouveau_connector_set_encoder(connector, nv_encoder);
343 conn_status = connector_status_connected;
344 goto out;
345 }
346
347 }
348
349 out:
350
351 pm_runtime_mark_last_busy(connector->dev->dev);
352 pm_runtime_put_autosuspend(connector->dev->dev);
353
354 return conn_status;
355}
356
357static enum drm_connector_status
358nouveau_connector_detect_lvds(struct drm_connector *connector, bool force)
359{
360 struct drm_device *dev = connector->dev;
361 struct nouveau_drm *drm = nouveau_drm(dev);
362 struct nouveau_connector *nv_connector = nouveau_connector(connector);
363 struct nouveau_encoder *nv_encoder = NULL;
364 enum drm_connector_status status = connector_status_disconnected;
365
366 /* Cleanup the previous EDID block. */
367 if (nv_connector->edid) {
368 drm_mode_connector_update_edid_property(connector, NULL);
369 kfree(nv_connector->edid);
370 nv_connector->edid = NULL;
371 }
372
373 nv_encoder = find_encoder(connector, DCB_OUTPUT_LVDS);
374 if (!nv_encoder)
375 return connector_status_disconnected;
376
377 /* Try retrieving EDID via DDC */
378 if (!drm->vbios.fp_no_ddc) {
379 status = nouveau_connector_detect(connector, force);
380 if (status == connector_status_connected)
381 goto out;
382 }
383
384 /* On some laptops (Sony, i'm looking at you) there appears to
385 * be no direct way of accessing the panel's EDID. The only
386 * option available to us appears to be to ask ACPI for help..
387 *
388 * It's important this check's before trying straps, one of the
389 * said manufacturer's laptops are configured in such a way
390 * the nouveau decides an entry in the VBIOS FP mode table is
391 * valid - it's not (rh#613284)
392 */
393 if (nv_encoder->dcb->lvdsconf.use_acpi_for_edid) {
394 if ((nv_connector->edid = nouveau_acpi_edid(dev, connector))) {
395 status = connector_status_connected;
396 goto out;
397 }
398 }
399
400 /* If no EDID found above, and the VBIOS indicates a hardcoded
401 * modeline is avalilable for the panel, set it as the panel's
402 * native mode and exit.
403 */
404 if (nouveau_bios_fp_mode(dev, NULL) && (drm->vbios.fp_no_ddc ||
405 nv_encoder->dcb->lvdsconf.use_straps_for_mode)) {
406 status = connector_status_connected;
407 goto out;
408 }
409
410 /* Still nothing, some VBIOS images have a hardcoded EDID block
411 * stored for the panel stored in them.
412 */
413 if (!drm->vbios.fp_no_ddc) {
414 struct edid *edid =
415 (struct edid *)nouveau_bios_embedded_edid(dev);
416 if (edid) {
417 nv_connector->edid =
418 kmemdup(edid, EDID_LENGTH, GFP_KERNEL);
419 if (nv_connector->edid)
420 status = connector_status_connected;
421 }
422 }
423
424out:
425#if defined(CONFIG_ACPI_BUTTON) || \
426 (defined(CONFIG_ACPI_BUTTON_MODULE) && defined(MODULE))
427 if (status == connector_status_connected &&
428 !nouveau_ignorelid && !acpi_lid_open())
429 status = connector_status_unknown;
430#endif
431
432 drm_mode_connector_update_edid_property(connector, nv_connector->edid);
433 nouveau_connector_set_encoder(connector, nv_encoder);
434 return status;
435}
436
437static void
438nouveau_connector_force(struct drm_connector *connector)
439{
440 struct nouveau_drm *drm = nouveau_drm(connector->dev);
441 struct nouveau_connector *nv_connector = nouveau_connector(connector);
442 struct nouveau_encoder *nv_encoder;
443 int type;
444
445 if (nv_connector->type == DCB_CONNECTOR_DVI_I) {
446 if (connector->force == DRM_FORCE_ON_DIGITAL)
447 type = DCB_OUTPUT_TMDS;
448 else
449 type = DCB_OUTPUT_ANALOG;
450 } else
451 type = DCB_OUTPUT_ANY;
452
453 nv_encoder = find_encoder(connector, type);
454 if (!nv_encoder) {
455 NV_ERROR(drm, "can't find encoder to force %s on!\n",
456 connector->name);
457 connector->status = connector_status_disconnected;
458 return;
459 }
460
461 nouveau_connector_set_encoder(connector, nv_encoder);
462}
463
464static int
465nouveau_connector_set_property(struct drm_connector *connector,
466 struct drm_property *property, uint64_t value)
467{
468 struct nouveau_display *disp = nouveau_display(connector->dev);
469 struct nouveau_connector *nv_connector = nouveau_connector(connector);
470 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
471 struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
472 struct drm_device *dev = connector->dev;
473 struct nouveau_crtc *nv_crtc;
474 int ret;
475
476 nv_crtc = NULL;
477 if (connector->encoder && connector->encoder->crtc)
478 nv_crtc = nouveau_crtc(connector->encoder->crtc);
479
480 /* Scaling mode */
481 if (property == dev->mode_config.scaling_mode_property) {
482 bool modeset = false;
483
484 switch (value) {
485 case DRM_MODE_SCALE_NONE:
486 /* We allow 'None' for EDID modes, even on a fixed
487 * panel (some exist with support for lower refresh
488 * rates, which people might want to use for power
489 * saving purposes).
490 *
491 * Non-EDID modes will force the use of GPU scaling
492 * to the native mode regardless of this setting.
493 */
494 switch (nv_connector->type) {
495 case DCB_CONNECTOR_LVDS:
496 case DCB_CONNECTOR_LVDS_SPWG:
497 case DCB_CONNECTOR_eDP:
498 /* ... except prior to G80, where the code
499 * doesn't support such things.
500 */
501 if (disp->disp.oclass < NV50_DISP)
502 return -EINVAL;
503 break;
504 default:
505 break;
506 }
507 break;
508 case DRM_MODE_SCALE_FULLSCREEN:
509 case DRM_MODE_SCALE_CENTER:
510 case DRM_MODE_SCALE_ASPECT:
511 break;
512 default:
513 return -EINVAL;
514 }
515
516 /* Changing between GPU and panel scaling requires a full
517 * modeset
518 */
519 if ((nv_connector->scaling_mode == DRM_MODE_SCALE_NONE) ||
520 (value == DRM_MODE_SCALE_NONE))
521 modeset = true;
522 nv_connector->scaling_mode = value;
523
524 if (!nv_crtc)
525 return 0;
526
527 if (modeset || !nv_crtc->set_scale) {
528 ret = drm_crtc_helper_set_mode(&nv_crtc->base,
529 &nv_crtc->base.mode,
530 nv_crtc->base.x,
531 nv_crtc->base.y, NULL);
532 if (!ret)
533 return -EINVAL;
534 } else {
535 ret = nv_crtc->set_scale(nv_crtc, true);
536 if (ret)
537 return ret;
538 }
539
540 return 0;
541 }
542
543 /* Underscan */
544 if (property == disp->underscan_property) {
545 if (nv_connector->underscan != value) {
546 nv_connector->underscan = value;
547 if (!nv_crtc || !nv_crtc->set_scale)
548 return 0;
549
550 return nv_crtc->set_scale(nv_crtc, true);
551 }
552
553 return 0;
554 }
555
556 if (property == disp->underscan_hborder_property) {
557 if (nv_connector->underscan_hborder != value) {
558 nv_connector->underscan_hborder = value;
559 if (!nv_crtc || !nv_crtc->set_scale)
560 return 0;
561
562 return nv_crtc->set_scale(nv_crtc, true);
563 }
564
565 return 0;
566 }
567
568 if (property == disp->underscan_vborder_property) {
569 if (nv_connector->underscan_vborder != value) {
570 nv_connector->underscan_vborder = value;
571 if (!nv_crtc || !nv_crtc->set_scale)
572 return 0;
573
574 return nv_crtc->set_scale(nv_crtc, true);
575 }
576
577 return 0;
578 }
579
580 /* Dithering */
581 if (property == disp->dithering_mode) {
582 nv_connector->dithering_mode = value;
583 if (!nv_crtc || !nv_crtc->set_dither)
584 return 0;
585
586 return nv_crtc->set_dither(nv_crtc, true);
587 }
588
589 if (property == disp->dithering_depth) {
590 nv_connector->dithering_depth = value;
591 if (!nv_crtc || !nv_crtc->set_dither)
592 return 0;
593
594 return nv_crtc->set_dither(nv_crtc, true);
595 }
596
597 if (nv_crtc && nv_crtc->set_color_vibrance) {
598 /* Hue */
599 if (property == disp->vibrant_hue_property) {
600 nv_crtc->vibrant_hue = value - 90;
601 return nv_crtc->set_color_vibrance(nv_crtc, true);
602 }
603 /* Saturation */
604 if (property == disp->color_vibrance_property) {
605 nv_crtc->color_vibrance = value - 100;
606 return nv_crtc->set_color_vibrance(nv_crtc, true);
607 }
608 }
609
610 if (nv_encoder && nv_encoder->dcb->type == DCB_OUTPUT_TV)
611 return get_slave_funcs(encoder)->set_property(
612 encoder, connector, property, value);
613
614 return -EINVAL;
615}
616
617static struct drm_display_mode *
618nouveau_connector_native_mode(struct drm_connector *connector)
619{
620 const struct drm_connector_helper_funcs *helper = connector->helper_private;
621 struct nouveau_drm *drm = nouveau_drm(connector->dev);
622 struct nouveau_connector *nv_connector = nouveau_connector(connector);
623 struct drm_device *dev = connector->dev;
624 struct drm_display_mode *mode, *largest = NULL;
625 int high_w = 0, high_h = 0, high_v = 0;
626
627 list_for_each_entry(mode, &nv_connector->base.probed_modes, head) {
628 mode->vrefresh = drm_mode_vrefresh(mode);
629 if (helper->mode_valid(connector, mode) != MODE_OK ||
630 (mode->flags & DRM_MODE_FLAG_INTERLACE))
631 continue;
632
633 /* Use preferred mode if there is one.. */
634 if (mode->type & DRM_MODE_TYPE_PREFERRED) {
635 NV_DEBUG(drm, "native mode from preferred\n");
636 return drm_mode_duplicate(dev, mode);
637 }
638
639 /* Otherwise, take the resolution with the largest width, then
640 * height, then vertical refresh
641 */
642 if (mode->hdisplay < high_w)
643 continue;
644
645 if (mode->hdisplay == high_w && mode->vdisplay < high_h)
646 continue;
647
648 if (mode->hdisplay == high_w && mode->vdisplay == high_h &&
649 mode->vrefresh < high_v)
650 continue;
651
652 high_w = mode->hdisplay;
653 high_h = mode->vdisplay;
654 high_v = mode->vrefresh;
655 largest = mode;
656 }
657
658 NV_DEBUG(drm, "native mode from largest: %dx%d@%d\n",
659 high_w, high_h, high_v);
660 return largest ? drm_mode_duplicate(dev, largest) : NULL;
661}
662
663struct moderec {
664 int hdisplay;
665 int vdisplay;
666};
667
668static struct moderec scaler_modes[] = {
669 { 1920, 1200 },
670 { 1920, 1080 },
671 { 1680, 1050 },
672 { 1600, 1200 },
673 { 1400, 1050 },
674 { 1280, 1024 },
675 { 1280, 960 },
676 { 1152, 864 },
677 { 1024, 768 },
678 { 800, 600 },
679 { 720, 400 },
680 { 640, 480 },
681 { 640, 400 },
682 { 640, 350 },
683 {}
684};
685
686static int
687nouveau_connector_scaler_modes_add(struct drm_connector *connector)
688{
689 struct nouveau_connector *nv_connector = nouveau_connector(connector);
690 struct drm_display_mode *native = nv_connector->native_mode, *m;
691 struct drm_device *dev = connector->dev;
692 struct moderec *mode = &scaler_modes[0];
693 int modes = 0;
694
695 if (!native)
696 return 0;
697
698 while (mode->hdisplay) {
699 if (mode->hdisplay <= native->hdisplay &&
700 mode->vdisplay <= native->vdisplay &&
701 (mode->hdisplay != native->hdisplay ||
702 mode->vdisplay != native->vdisplay)) {
703 m = drm_cvt_mode(dev, mode->hdisplay, mode->vdisplay,
704 drm_mode_vrefresh(native), false,
705 false, false);
706 if (!m)
707 continue;
708
709 drm_mode_probed_add(connector, m);
710 modes++;
711 }
712
713 mode++;
714 }
715
716 return modes;
717}
718
719static void
720nouveau_connector_detect_depth(struct drm_connector *connector)
721{
722 struct nouveau_drm *drm = nouveau_drm(connector->dev);
723 struct nouveau_connector *nv_connector = nouveau_connector(connector);
724 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
725 struct nvbios *bios = &drm->vbios;
726 struct drm_display_mode *mode = nv_connector->native_mode;
727 bool duallink;
728
729 /* if the edid is feeling nice enough to provide this info, use it */
730 if (nv_connector->edid && connector->display_info.bpc)
731 return;
732
733 /* EDID 1.4 is *supposed* to be supported on eDP, but, Apple... */
734 if (nv_connector->type == DCB_CONNECTOR_eDP) {
735 connector->display_info.bpc = 6;
736 return;
737 }
738
739 /* we're out of options unless we're LVDS, default to 8bpc */
740 if (nv_encoder->dcb->type != DCB_OUTPUT_LVDS) {
741 connector->display_info.bpc = 8;
742 return;
743 }
744
745 connector->display_info.bpc = 6;
746
747 /* LVDS: panel straps */
748 if (bios->fp_no_ddc) {
749 if (bios->fp.if_is_24bit)
750 connector->display_info.bpc = 8;
751 return;
752 }
753
754 /* LVDS: DDC panel, need to first determine the number of links to
755 * know which if_is_24bit flag to check...
756 */
757 if (nv_connector->edid &&
758 nv_connector->type == DCB_CONNECTOR_LVDS_SPWG)
759 duallink = ((u8 *)nv_connector->edid)[121] == 2;
760 else
761 duallink = mode->clock >= bios->fp.duallink_transition_clk;
762
763 if ((!duallink && (bios->fp.strapless_is_24bit & 1)) ||
764 ( duallink && (bios->fp.strapless_is_24bit & 2)))
765 connector->display_info.bpc = 8;
766}
767
768static int
769nouveau_connector_get_modes(struct drm_connector *connector)
770{
771 struct drm_device *dev = connector->dev;
772 struct nouveau_drm *drm = nouveau_drm(dev);
773 struct nouveau_connector *nv_connector = nouveau_connector(connector);
774 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
775 struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
776 int ret = 0;
777
778 /* destroy the native mode, the attached monitor could have changed.
779 */
780 if (nv_connector->native_mode) {
781 drm_mode_destroy(dev, nv_connector->native_mode);
782 nv_connector->native_mode = NULL;
783 }
784
785 if (nv_connector->edid)
786 ret = drm_add_edid_modes(connector, nv_connector->edid);
787 else
788 if (nv_encoder->dcb->type == DCB_OUTPUT_LVDS &&
789 (nv_encoder->dcb->lvdsconf.use_straps_for_mode ||
790 drm->vbios.fp_no_ddc) && nouveau_bios_fp_mode(dev, NULL)) {
791 struct drm_display_mode mode;
792
793 nouveau_bios_fp_mode(dev, &mode);
794 nv_connector->native_mode = drm_mode_duplicate(dev, &mode);
795 }
796
797 /* Determine display colour depth for everything except LVDS now,
798 * DP requires this before mode_valid() is called.
799 */
800 if (connector->connector_type != DRM_MODE_CONNECTOR_LVDS)
801 nouveau_connector_detect_depth(connector);
802
803 /* Find the native mode if this is a digital panel, if we didn't
804 * find any modes through DDC previously add the native mode to
805 * the list of modes.
806 */
807 if (!nv_connector->native_mode)
808 nv_connector->native_mode =
809 nouveau_connector_native_mode(connector);
810 if (ret == 0 && nv_connector->native_mode) {
811 struct drm_display_mode *mode;
812
813 mode = drm_mode_duplicate(dev, nv_connector->native_mode);
814 drm_mode_probed_add(connector, mode);
815 ret = 1;
816 }
817
818 /* Determine LVDS colour depth, must happen after determining
819 * "native" mode as some VBIOS tables require us to use the
820 * pixel clock as part of the lookup...
821 */
822 if (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)
823 nouveau_connector_detect_depth(connector);
824
825 if (nv_encoder->dcb->type == DCB_OUTPUT_TV)
826 ret = get_slave_funcs(encoder)->get_modes(encoder, connector);
827
828 if (nv_connector->type == DCB_CONNECTOR_LVDS ||
829 nv_connector->type == DCB_CONNECTOR_LVDS_SPWG ||
830 nv_connector->type == DCB_CONNECTOR_eDP)
831 ret += nouveau_connector_scaler_modes_add(connector);
832
833 return ret;
834}
835
836static unsigned
837get_tmds_link_bandwidth(struct drm_connector *connector, bool hdmi)
838{
839 struct nouveau_connector *nv_connector = nouveau_connector(connector);
840 struct nouveau_drm *drm = nouveau_drm(connector->dev);
841 struct dcb_output *dcb = nv_connector->detected_encoder->dcb;
842
843 if (hdmi) {
844 if (nouveau_hdmimhz > 0)
845 return nouveau_hdmimhz * 1000;
846 /* Note: these limits are conservative, some Fermi's
847 * can do 297 MHz. Unclear how this can be determined.
848 */
849 if (drm->device.info.family >= NV_DEVICE_INFO_V0_KEPLER)
850 return 297000;
851 if (drm->device.info.family >= NV_DEVICE_INFO_V0_FERMI)
852 return 225000;
853 }
854 if (dcb->location != DCB_LOC_ON_CHIP ||
855 drm->device.info.chipset >= 0x46)
856 return 165000;
857 else if (drm->device.info.chipset >= 0x40)
858 return 155000;
859 else if (drm->device.info.chipset >= 0x18)
860 return 135000;
861 else
862 return 112000;
863}
864
865static int
866nouveau_connector_mode_valid(struct drm_connector *connector,
867 struct drm_display_mode *mode)
868{
869 struct nouveau_connector *nv_connector = nouveau_connector(connector);
870 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
871 struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
872 unsigned min_clock = 25000, max_clock = min_clock;
873 unsigned clock = mode->clock;
874 bool hdmi;
875
876 switch (nv_encoder->dcb->type) {
877 case DCB_OUTPUT_LVDS:
878 if (nv_connector->native_mode &&
879 (mode->hdisplay > nv_connector->native_mode->hdisplay ||
880 mode->vdisplay > nv_connector->native_mode->vdisplay))
881 return MODE_PANEL;
882
883 min_clock = 0;
884 max_clock = 400000;
885 break;
886 case DCB_OUTPUT_TMDS:
887 hdmi = drm_detect_hdmi_monitor(nv_connector->edid);
888 max_clock = get_tmds_link_bandwidth(connector, hdmi);
889 if (!hdmi && nouveau_duallink &&
890 nv_encoder->dcb->duallink_possible)
891 max_clock *= 2;
892 break;
893 case DCB_OUTPUT_ANALOG:
894 max_clock = nv_encoder->dcb->crtconf.maxfreq;
895 if (!max_clock)
896 max_clock = 350000;
897 break;
898 case DCB_OUTPUT_TV:
899 return get_slave_funcs(encoder)->mode_valid(encoder, mode);
900 case DCB_OUTPUT_DP:
901 max_clock = nv_encoder->dp.link_nr;
902 max_clock *= nv_encoder->dp.link_bw;
903 clock = clock * (connector->display_info.bpc * 3) / 10;
904 break;
905 default:
906 BUG_ON(1);
907 return MODE_BAD;
908 }
909
910 if (clock < min_clock)
911 return MODE_CLOCK_LOW;
912
913 if (clock > max_clock)
914 return MODE_CLOCK_HIGH;
915
916 return MODE_OK;
917}
918
919static struct drm_encoder *
920nouveau_connector_best_encoder(struct drm_connector *connector)
921{
922 struct nouveau_connector *nv_connector = nouveau_connector(connector);
923
924 if (nv_connector->detected_encoder)
925 return to_drm_encoder(nv_connector->detected_encoder);
926
927 return NULL;
928}
929
930static const struct drm_connector_helper_funcs
931nouveau_connector_helper_funcs = {
932 .get_modes = nouveau_connector_get_modes,
933 .mode_valid = nouveau_connector_mode_valid,
934 .best_encoder = nouveau_connector_best_encoder,
935};
936
937static const struct drm_connector_funcs
938nouveau_connector_funcs = {
939 .dpms = drm_helper_connector_dpms,
940 .detect = nouveau_connector_detect,
941 .destroy = nouveau_connector_destroy,
942 .fill_modes = drm_helper_probe_single_connector_modes,
943 .set_property = nouveau_connector_set_property,
944 .force = nouveau_connector_force
945};
946
947static const struct drm_connector_funcs
948nouveau_connector_funcs_lvds = {
949 .dpms = drm_helper_connector_dpms,
950 .detect = nouveau_connector_detect_lvds,
951 .destroy = nouveau_connector_destroy,
952 .fill_modes = drm_helper_probe_single_connector_modes,
953 .set_property = nouveau_connector_set_property,
954 .force = nouveau_connector_force
955};
956
957static int
958nouveau_connector_dp_dpms(struct drm_connector *connector, int mode)
959{
960 struct nouveau_encoder *nv_encoder = NULL;
961
962 if (connector->encoder)
963 nv_encoder = nouveau_encoder(connector->encoder);
964 if (nv_encoder && nv_encoder->dcb &&
965 nv_encoder->dcb->type == DCB_OUTPUT_DP) {
966 if (mode == DRM_MODE_DPMS_ON) {
967 u8 data = DP_SET_POWER_D0;
968 nvkm_wraux(nv_encoder->aux, DP_SET_POWER, &data, 1);
969 usleep_range(1000, 2000);
970 } else {
971 u8 data = DP_SET_POWER_D3;
972 nvkm_wraux(nv_encoder->aux, DP_SET_POWER, &data, 1);
973 }
974 }
975
976 return drm_helper_connector_dpms(connector, mode);
977}
978
979static const struct drm_connector_funcs
980nouveau_connector_funcs_dp = {
981 .dpms = nouveau_connector_dp_dpms,
982 .detect = nouveau_connector_detect,
983 .destroy = nouveau_connector_destroy,
984 .fill_modes = drm_helper_probe_single_connector_modes,
985 .set_property = nouveau_connector_set_property,
986 .force = nouveau_connector_force
987};
988
989static int
990nouveau_connector_hotplug(struct nvif_notify *notify)
991{
992 struct nouveau_connector *nv_connector =
993 container_of(notify, typeof(*nv_connector), hpd);
994 struct drm_connector *connector = &nv_connector->base;
995 struct nouveau_drm *drm = nouveau_drm(connector->dev);
996 const struct nvif_notify_conn_rep_v0 *rep = notify->data;
997 const char *name = connector->name;
998
999 if (rep->mask & NVIF_NOTIFY_CONN_V0_IRQ) {
1000 } else {
1001 bool plugged = (rep->mask != NVIF_NOTIFY_CONN_V0_UNPLUG);
1002
1003 NV_DEBUG(drm, "%splugged %s\n", plugged ? "" : "un", name);
1004
1005 mutex_lock(&drm->dev->mode_config.mutex);
1006 if (plugged)
1007 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
1008 else
1009 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
1010 mutex_unlock(&drm->dev->mode_config.mutex);
1011
1012 drm_helper_hpd_irq_event(connector->dev);
1013 }
1014
1015 return NVIF_NOTIFY_KEEP;
1016}
1017
1018static ssize_t
1019nouveau_connector_aux_xfer(struct drm_dp_aux *obj, struct drm_dp_aux_msg *msg)
1020{
1021 struct nouveau_connector *nv_connector =
1022 container_of(obj, typeof(*nv_connector), aux);
1023 struct nouveau_encoder *nv_encoder;
1024 struct nvkm_i2c_aux *aux;
1025 int ret;
1026
1027 nv_encoder = find_encoder(&nv_connector->base, DCB_OUTPUT_DP);
1028 if (!nv_encoder || !(aux = nv_encoder->aux))
1029 return -ENODEV;
1030 if (WARN_ON(msg->size > 16))
1031 return -E2BIG;
1032 if (msg->size == 0)
1033 return msg->size;
1034
1035 ret = nvkm_i2c_aux_acquire(aux);
1036 if (ret)
1037 return ret;
1038
1039 ret = nvkm_i2c_aux_xfer(aux, false, msg->request, msg->address,
1040 msg->buffer, msg->size);
1041 nvkm_i2c_aux_release(aux);
1042 if (ret >= 0) {
1043 msg->reply = ret;
1044 return msg->size;
1045 }
1046
1047 return ret;
1048}
1049
1050static int
1051drm_conntype_from_dcb(enum dcb_connector_type dcb)
1052{
1053 switch (dcb) {
1054 case DCB_CONNECTOR_VGA : return DRM_MODE_CONNECTOR_VGA;
1055 case DCB_CONNECTOR_TV_0 :
1056 case DCB_CONNECTOR_TV_1 :
1057 case DCB_CONNECTOR_TV_3 : return DRM_MODE_CONNECTOR_TV;
1058 case DCB_CONNECTOR_DMS59_0 :
1059 case DCB_CONNECTOR_DMS59_1 :
1060 case DCB_CONNECTOR_DVI_I : return DRM_MODE_CONNECTOR_DVII;
1061 case DCB_CONNECTOR_DVI_D : return DRM_MODE_CONNECTOR_DVID;
1062 case DCB_CONNECTOR_LVDS :
1063 case DCB_CONNECTOR_LVDS_SPWG: return DRM_MODE_CONNECTOR_LVDS;
1064 case DCB_CONNECTOR_DMS59_DP0:
1065 case DCB_CONNECTOR_DMS59_DP1:
1066 case DCB_CONNECTOR_DP : return DRM_MODE_CONNECTOR_DisplayPort;
1067 case DCB_CONNECTOR_eDP : return DRM_MODE_CONNECTOR_eDP;
1068 case DCB_CONNECTOR_HDMI_0 :
1069 case DCB_CONNECTOR_HDMI_1 :
1070 case DCB_CONNECTOR_HDMI_C : return DRM_MODE_CONNECTOR_HDMIA;
1071 default:
1072 break;
1073 }
1074
1075 return DRM_MODE_CONNECTOR_Unknown;
1076}
1077
1078struct drm_connector *
1079nouveau_connector_create(struct drm_device *dev, int index)
1080{
1081 const struct drm_connector_funcs *funcs = &nouveau_connector_funcs;
1082 struct nouveau_drm *drm = nouveau_drm(dev);
1083 struct nouveau_display *disp = nouveau_display(dev);
1084 struct nouveau_connector *nv_connector = NULL;
1085 struct drm_connector *connector;
1086 int type, ret = 0;
1087 bool dummy;
1088
1089 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1090 nv_connector = nouveau_connector(connector);
1091 if (nv_connector->index == index)
1092 return connector;
1093 }
1094
1095 nv_connector = kzalloc(sizeof(*nv_connector), GFP_KERNEL);
1096 if (!nv_connector)
1097 return ERR_PTR(-ENOMEM);
1098
1099 connector = &nv_connector->base;
1100 nv_connector->index = index;
1101
1102 /* attempt to parse vbios connector type and hotplug gpio */
1103 nv_connector->dcb = olddcb_conn(dev, index);
1104 if (nv_connector->dcb) {
1105 u32 entry = ROM16(nv_connector->dcb[0]);
1106 if (olddcb_conntab(dev)[3] >= 4)
1107 entry |= (u32)ROM16(nv_connector->dcb[2]) << 16;
1108
1109 nv_connector->type = nv_connector->dcb[0];
1110 if (drm_conntype_from_dcb(nv_connector->type) ==
1111 DRM_MODE_CONNECTOR_Unknown) {
1112 NV_WARN(drm, "unknown connector type %02x\n",
1113 nv_connector->type);
1114 nv_connector->type = DCB_CONNECTOR_NONE;
1115 }
1116
1117 /* Gigabyte NX85T */
1118 if (nv_match_device(dev, 0x0421, 0x1458, 0x344c)) {
1119 if (nv_connector->type == DCB_CONNECTOR_HDMI_1)
1120 nv_connector->type = DCB_CONNECTOR_DVI_I;
1121 }
1122
1123 /* Gigabyte GV-NX86T512H */
1124 if (nv_match_device(dev, 0x0402, 0x1458, 0x3455)) {
1125 if (nv_connector->type == DCB_CONNECTOR_HDMI_1)
1126 nv_connector->type = DCB_CONNECTOR_DVI_I;
1127 }
1128 } else {
1129 nv_connector->type = DCB_CONNECTOR_NONE;
1130 }
1131
1132 /* no vbios data, or an unknown dcb connector type - attempt to
1133 * figure out something suitable ourselves
1134 */
1135 if (nv_connector->type == DCB_CONNECTOR_NONE) {
1136 struct nouveau_drm *drm = nouveau_drm(dev);
1137 struct dcb_table *dcbt = &drm->vbios.dcb;
1138 u32 encoders = 0;
1139 int i;
1140
1141 for (i = 0; i < dcbt->entries; i++) {
1142 if (dcbt->entry[i].connector == nv_connector->index)
1143 encoders |= (1 << dcbt->entry[i].type);
1144 }
1145
1146 if (encoders & (1 << DCB_OUTPUT_DP)) {
1147 if (encoders & (1 << DCB_OUTPUT_TMDS))
1148 nv_connector->type = DCB_CONNECTOR_DP;
1149 else
1150 nv_connector->type = DCB_CONNECTOR_eDP;
1151 } else
1152 if (encoders & (1 << DCB_OUTPUT_TMDS)) {
1153 if (encoders & (1 << DCB_OUTPUT_ANALOG))
1154 nv_connector->type = DCB_CONNECTOR_DVI_I;
1155 else
1156 nv_connector->type = DCB_CONNECTOR_DVI_D;
1157 } else
1158 if (encoders & (1 << DCB_OUTPUT_ANALOG)) {
1159 nv_connector->type = DCB_CONNECTOR_VGA;
1160 } else
1161 if (encoders & (1 << DCB_OUTPUT_LVDS)) {
1162 nv_connector->type = DCB_CONNECTOR_LVDS;
1163 } else
1164 if (encoders & (1 << DCB_OUTPUT_TV)) {
1165 nv_connector->type = DCB_CONNECTOR_TV_0;
1166 }
1167 }
1168
1169 switch ((type = drm_conntype_from_dcb(nv_connector->type))) {
1170 case DRM_MODE_CONNECTOR_LVDS:
1171 ret = nouveau_bios_parse_lvds_table(dev, 0, &dummy, &dummy);
1172 if (ret) {
1173 NV_ERROR(drm, "Error parsing LVDS table, disabling\n");
1174 kfree(nv_connector);
1175 return ERR_PTR(ret);
1176 }
1177
1178 funcs = &nouveau_connector_funcs_lvds;
1179 break;
1180 case DRM_MODE_CONNECTOR_DisplayPort:
1181 case DRM_MODE_CONNECTOR_eDP:
1182 nv_connector->aux.dev = dev->dev;
1183 nv_connector->aux.transfer = nouveau_connector_aux_xfer;
1184 ret = drm_dp_aux_register(&nv_connector->aux);
1185 if (ret) {
1186 NV_ERROR(drm, "failed to register aux channel\n");
1187 kfree(nv_connector);
1188 return ERR_PTR(ret);
1189 }
1190
1191 funcs = &nouveau_connector_funcs_dp;
1192 break;
1193 default:
1194 funcs = &nouveau_connector_funcs;
1195 break;
1196 }
1197
1198 /* defaults, will get overridden in detect() */
1199 connector->interlace_allowed = false;
1200 connector->doublescan_allowed = false;
1201
1202 drm_connector_init(dev, connector, funcs, type);
1203 drm_connector_helper_add(connector, &nouveau_connector_helper_funcs);
1204
1205 /* Init DVI-I specific properties */
1206 if (nv_connector->type == DCB_CONNECTOR_DVI_I)
1207 drm_object_attach_property(&connector->base, dev->mode_config.dvi_i_subconnector_property, 0);
1208
1209 /* Add overscan compensation options to digital outputs */
1210 if (disp->underscan_property &&
1211 (type == DRM_MODE_CONNECTOR_DVID ||
1212 type == DRM_MODE_CONNECTOR_DVII ||
1213 type == DRM_MODE_CONNECTOR_HDMIA ||
1214 type == DRM_MODE_CONNECTOR_DisplayPort)) {
1215 drm_object_attach_property(&connector->base,
1216 disp->underscan_property,
1217 UNDERSCAN_OFF);
1218 drm_object_attach_property(&connector->base,
1219 disp->underscan_hborder_property,
1220 0);
1221 drm_object_attach_property(&connector->base,
1222 disp->underscan_vborder_property,
1223 0);
1224 }
1225
1226 /* Add hue and saturation options */
1227 if (disp->vibrant_hue_property)
1228 drm_object_attach_property(&connector->base,
1229 disp->vibrant_hue_property,
1230 90);
1231 if (disp->color_vibrance_property)
1232 drm_object_attach_property(&connector->base,
1233 disp->color_vibrance_property,
1234 150);
1235
1236 /* default scaling mode */
1237 switch (nv_connector->type) {
1238 case DCB_CONNECTOR_LVDS:
1239 case DCB_CONNECTOR_LVDS_SPWG:
1240 case DCB_CONNECTOR_eDP:
1241 /* see note in nouveau_connector_set_property() */
1242 if (disp->disp.oclass < NV50_DISP) {
1243 nv_connector->scaling_mode = DRM_MODE_SCALE_FULLSCREEN;
1244 break;
1245 }
1246 nv_connector->scaling_mode = DRM_MODE_SCALE_NONE;
1247 break;
1248 default:
1249 nv_connector->scaling_mode = DRM_MODE_SCALE_NONE;
1250 break;
1251 }
1252
1253 /* scaling mode property */
1254 switch (nv_connector->type) {
1255 case DCB_CONNECTOR_TV_0:
1256 case DCB_CONNECTOR_TV_1:
1257 case DCB_CONNECTOR_TV_3:
1258 break;
1259 case DCB_CONNECTOR_VGA:
1260 if (disp->disp.oclass < NV50_DISP)
1261 break; /* can only scale on DFPs */
1262 /* fall-through */
1263 default:
1264 drm_object_attach_property(&connector->base, dev->mode_config.
1265 scaling_mode_property,
1266 nv_connector->scaling_mode);
1267 break;
1268 }
1269
1270 /* dithering properties */
1271 switch (nv_connector->type) {
1272 case DCB_CONNECTOR_TV_0:
1273 case DCB_CONNECTOR_TV_1:
1274 case DCB_CONNECTOR_TV_3:
1275 case DCB_CONNECTOR_VGA:
1276 break;
1277 default:
1278 if (disp->dithering_mode) {
1279 nv_connector->dithering_mode = DITHERING_MODE_AUTO;
1280 drm_object_attach_property(&connector->base,
1281 disp->dithering_mode,
1282 nv_connector->
1283 dithering_mode);
1284 }
1285 if (disp->dithering_depth) {
1286 nv_connector->dithering_depth = DITHERING_DEPTH_AUTO;
1287 drm_object_attach_property(&connector->base,
1288 disp->dithering_depth,
1289 nv_connector->
1290 dithering_depth);
1291 }
1292 break;
1293 }
1294
1295 ret = nvif_notify_init(&disp->disp, nouveau_connector_hotplug, true,
1296 NV04_DISP_NTFY_CONN,
1297 &(struct nvif_notify_conn_req_v0) {
1298 .mask = NVIF_NOTIFY_CONN_V0_ANY,
1299 .conn = index,
1300 },
1301 sizeof(struct nvif_notify_conn_req_v0),
1302 sizeof(struct nvif_notify_conn_rep_v0),
1303 &nv_connector->hpd);
1304 if (ret)
1305 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1306 else
1307 connector->polled = DRM_CONNECTOR_POLL_HPD;
1308
1309 drm_connector_register(connector);
1310 return connector;
1311}