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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_atomic_helper.h>
34#include <drm/drm_edid.h>
35#include <drm/drm_crtc_helper.h>
36
37#include "nouveau_reg.h"
38#include "nouveau_drv.h"
39#include "dispnv04/hw.h"
40#include "nouveau_acpi.h"
41
42#include "nouveau_display.h"
43#include "nouveau_connector.h"
44#include "nouveau_encoder.h"
45#include "nouveau_crtc.h"
46
47#include <nvif/class.h>
48#include <nvif/cl0046.h>
49#include <nvif/event.h>
50
51struct drm_display_mode *
52nouveau_conn_native_mode(struct drm_connector *connector)
53{
54 const struct drm_connector_helper_funcs *helper = connector->helper_private;
55 struct nouveau_drm *drm = nouveau_drm(connector->dev);
56 struct drm_device *dev = connector->dev;
57 struct drm_display_mode *mode, *largest = NULL;
58 int high_w = 0, high_h = 0, high_v = 0;
59
60 list_for_each_entry(mode, &connector->probed_modes, head) {
61 mode->vrefresh = drm_mode_vrefresh(mode);
62 if (helper->mode_valid(connector, mode) != MODE_OK ||
63 (mode->flags & DRM_MODE_FLAG_INTERLACE))
64 continue;
65
66 /* Use preferred mode if there is one.. */
67 if (mode->type & DRM_MODE_TYPE_PREFERRED) {
68 NV_DEBUG(drm, "native mode from preferred\n");
69 return drm_mode_duplicate(dev, mode);
70 }
71
72 /* Otherwise, take the resolution with the largest width, then
73 * height, then vertical refresh
74 */
75 if (mode->hdisplay < high_w)
76 continue;
77
78 if (mode->hdisplay == high_w && mode->vdisplay < high_h)
79 continue;
80
81 if (mode->hdisplay == high_w && mode->vdisplay == high_h &&
82 mode->vrefresh < high_v)
83 continue;
84
85 high_w = mode->hdisplay;
86 high_h = mode->vdisplay;
87 high_v = mode->vrefresh;
88 largest = mode;
89 }
90
91 NV_DEBUG(drm, "native mode from largest: %dx%d@%d\n",
92 high_w, high_h, high_v);
93 return largest ? drm_mode_duplicate(dev, largest) : NULL;
94}
95
96int
97nouveau_conn_atomic_get_property(struct drm_connector *connector,
98 const struct drm_connector_state *state,
99 struct drm_property *property, u64 *val)
100{
101 struct nouveau_conn_atom *asyc = nouveau_conn_atom(state);
102 struct nouveau_display *disp = nouveau_display(connector->dev);
103 struct drm_device *dev = connector->dev;
104
105 if (property == dev->mode_config.scaling_mode_property)
106 *val = asyc->scaler.mode;
107 else if (property == disp->underscan_property)
108 *val = asyc->scaler.underscan.mode;
109 else if (property == disp->underscan_hborder_property)
110 *val = asyc->scaler.underscan.hborder;
111 else if (property == disp->underscan_vborder_property)
112 *val = asyc->scaler.underscan.vborder;
113 else if (property == disp->dithering_mode)
114 *val = asyc->dither.mode;
115 else if (property == disp->dithering_depth)
116 *val = asyc->dither.depth;
117 else if (property == disp->vibrant_hue_property)
118 *val = asyc->procamp.vibrant_hue;
119 else if (property == disp->color_vibrance_property)
120 *val = asyc->procamp.color_vibrance;
121 else
122 return -EINVAL;
123
124 return 0;
125}
126
127int
128nouveau_conn_atomic_set_property(struct drm_connector *connector,
129 struct drm_connector_state *state,
130 struct drm_property *property, u64 val)
131{
132 struct drm_device *dev = connector->dev;
133 struct nouveau_conn_atom *asyc = nouveau_conn_atom(state);
134 struct nouveau_display *disp = nouveau_display(dev);
135
136 if (property == dev->mode_config.scaling_mode_property) {
137 switch (val) {
138 case DRM_MODE_SCALE_NONE:
139 /* We allow 'None' for EDID modes, even on a fixed
140 * panel (some exist with support for lower refresh
141 * rates, which people might want to use for power-
142 * saving purposes).
143 *
144 * Non-EDID modes will force the use of GPU scaling
145 * to the native mode regardless of this setting.
146 */
147 switch (connector->connector_type) {
148 case DRM_MODE_CONNECTOR_LVDS:
149 case DRM_MODE_CONNECTOR_eDP:
150 /* ... except prior to G80, where the code
151 * doesn't support such things.
152 */
153 if (disp->disp.oclass < NV50_DISP)
154 return -EINVAL;
155 break;
156 default:
157 break;
158 }
159 case DRM_MODE_SCALE_FULLSCREEN:
160 case DRM_MODE_SCALE_CENTER:
161 case DRM_MODE_SCALE_ASPECT:
162 break;
163 default:
164 return -EINVAL;
165 }
166
167 if (asyc->scaler.mode != val) {
168 asyc->scaler.mode = val;
169 asyc->set.scaler = true;
170 }
171 } else
172 if (property == disp->underscan_property) {
173 if (asyc->scaler.underscan.mode != val) {
174 asyc->scaler.underscan.mode = val;
175 asyc->set.scaler = true;
176 }
177 } else
178 if (property == disp->underscan_hborder_property) {
179 if (asyc->scaler.underscan.hborder != val) {
180 asyc->scaler.underscan.hborder = val;
181 asyc->set.scaler = true;
182 }
183 } else
184 if (property == disp->underscan_vborder_property) {
185 if (asyc->scaler.underscan.vborder != val) {
186 asyc->scaler.underscan.vborder = val;
187 asyc->set.scaler = true;
188 }
189 } else
190 if (property == disp->dithering_mode) {
191 if (asyc->dither.mode != val) {
192 asyc->dither.mode = val;
193 asyc->set.dither = true;
194 }
195 } else
196 if (property == disp->dithering_depth) {
197 if (asyc->dither.mode != val) {
198 asyc->dither.depth = val;
199 asyc->set.dither = true;
200 }
201 } else
202 if (property == disp->vibrant_hue_property) {
203 if (asyc->procamp.vibrant_hue != val) {
204 asyc->procamp.vibrant_hue = val;
205 asyc->set.procamp = true;
206 }
207 } else
208 if (property == disp->color_vibrance_property) {
209 if (asyc->procamp.color_vibrance != val) {
210 asyc->procamp.color_vibrance = val;
211 asyc->set.procamp = true;
212 }
213 } else {
214 return -EINVAL;
215 }
216
217 return 0;
218}
219
220void
221nouveau_conn_atomic_destroy_state(struct drm_connector *connector,
222 struct drm_connector_state *state)
223{
224 struct nouveau_conn_atom *asyc = nouveau_conn_atom(state);
225 __drm_atomic_helper_connector_destroy_state(&asyc->state);
226 kfree(asyc);
227}
228
229struct drm_connector_state *
230nouveau_conn_atomic_duplicate_state(struct drm_connector *connector)
231{
232 struct nouveau_conn_atom *armc = nouveau_conn_atom(connector->state);
233 struct nouveau_conn_atom *asyc;
234 if (!(asyc = kmalloc(sizeof(*asyc), GFP_KERNEL)))
235 return NULL;
236 __drm_atomic_helper_connector_duplicate_state(connector, &asyc->state);
237 asyc->dither = armc->dither;
238 asyc->scaler = armc->scaler;
239 asyc->procamp = armc->procamp;
240 asyc->set.mask = 0;
241 return &asyc->state;
242}
243
244void
245nouveau_conn_reset(struct drm_connector *connector)
246{
247 struct nouveau_conn_atom *asyc;
248
249 if (WARN_ON(!(asyc = kzalloc(sizeof(*asyc), GFP_KERNEL))))
250 return;
251
252 if (connector->state)
253 __drm_atomic_helper_connector_destroy_state(connector->state);
254 __drm_atomic_helper_connector_reset(connector, &asyc->state);
255 asyc->dither.mode = DITHERING_MODE_AUTO;
256 asyc->dither.depth = DITHERING_DEPTH_AUTO;
257 asyc->scaler.mode = DRM_MODE_SCALE_NONE;
258 asyc->scaler.underscan.mode = UNDERSCAN_OFF;
259 asyc->procamp.color_vibrance = 150;
260 asyc->procamp.vibrant_hue = 90;
261
262 if (nouveau_display(connector->dev)->disp.oclass < NV50_DISP) {
263 switch (connector->connector_type) {
264 case DRM_MODE_CONNECTOR_LVDS:
265 /* See note in nouveau_conn_atomic_set_property(). */
266 asyc->scaler.mode = DRM_MODE_SCALE_FULLSCREEN;
267 break;
268 default:
269 break;
270 }
271 }
272}
273
274void
275nouveau_conn_attach_properties(struct drm_connector *connector)
276{
277 struct drm_device *dev = connector->dev;
278 struct nouveau_conn_atom *armc = nouveau_conn_atom(connector->state);
279 struct nouveau_display *disp = nouveau_display(dev);
280
281 /* Init DVI-I specific properties. */
282 if (connector->connector_type == DRM_MODE_CONNECTOR_DVII)
283 drm_object_attach_property(&connector->base, dev->mode_config.
284 dvi_i_subconnector_property, 0);
285
286 /* Add overscan compensation options to digital outputs. */
287 if (disp->underscan_property &&
288 (connector->connector_type == DRM_MODE_CONNECTOR_DVID ||
289 connector->connector_type == DRM_MODE_CONNECTOR_DVII ||
290 connector->connector_type == DRM_MODE_CONNECTOR_HDMIA ||
291 connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort)) {
292 drm_object_attach_property(&connector->base,
293 disp->underscan_property,
294 UNDERSCAN_OFF);
295 drm_object_attach_property(&connector->base,
296 disp->underscan_hborder_property, 0);
297 drm_object_attach_property(&connector->base,
298 disp->underscan_vborder_property, 0);
299 }
300
301 /* Add hue and saturation options. */
302 if (disp->vibrant_hue_property)
303 drm_object_attach_property(&connector->base,
304 disp->vibrant_hue_property,
305 armc->procamp.vibrant_hue);
306 if (disp->color_vibrance_property)
307 drm_object_attach_property(&connector->base,
308 disp->color_vibrance_property,
309 armc->procamp.color_vibrance);
310
311 /* Scaling mode property. */
312 switch (connector->connector_type) {
313 case DRM_MODE_CONNECTOR_TV:
314 break;
315 case DRM_MODE_CONNECTOR_VGA:
316 if (disp->disp.oclass < NV50_DISP)
317 break; /* Can only scale on DFPs. */
318 /* Fall-through. */
319 default:
320 drm_object_attach_property(&connector->base, dev->mode_config.
321 scaling_mode_property,
322 armc->scaler.mode);
323 break;
324 }
325
326 /* Dithering properties. */
327 switch (connector->connector_type) {
328 case DRM_MODE_CONNECTOR_TV:
329 case DRM_MODE_CONNECTOR_VGA:
330 break;
331 default:
332 if (disp->dithering_mode) {
333 drm_object_attach_property(&connector->base,
334 disp->dithering_mode,
335 armc->dither.mode);
336 }
337 if (disp->dithering_depth) {
338 drm_object_attach_property(&connector->base,
339 disp->dithering_depth,
340 armc->dither.depth);
341 }
342 break;
343 }
344}
345
346MODULE_PARM_DESC(tv_disable, "Disable TV-out detection");
347int nouveau_tv_disable = 0;
348module_param_named(tv_disable, nouveau_tv_disable, int, 0400);
349
350MODULE_PARM_DESC(ignorelid, "Ignore ACPI lid status");
351int nouveau_ignorelid = 0;
352module_param_named(ignorelid, nouveau_ignorelid, int, 0400);
353
354MODULE_PARM_DESC(duallink, "Allow dual-link TMDS (default: enabled)");
355int nouveau_duallink = 1;
356module_param_named(duallink, nouveau_duallink, int, 0400);
357
358MODULE_PARM_DESC(hdmimhz, "Force a maximum HDMI pixel clock (in MHz)");
359int nouveau_hdmimhz = 0;
360module_param_named(hdmimhz, nouveau_hdmimhz, int, 0400);
361
362struct nouveau_encoder *
363find_encoder(struct drm_connector *connector, int type)
364{
365 struct drm_device *dev = connector->dev;
366 struct nouveau_encoder *nv_encoder;
367 struct drm_encoder *enc;
368 int i, id;
369
370 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
371 id = connector->encoder_ids[i];
372 if (!id)
373 break;
374
375 enc = drm_encoder_find(dev, id);
376 if (!enc)
377 continue;
378 nv_encoder = nouveau_encoder(enc);
379
380 if (type == DCB_OUTPUT_ANY ||
381 (nv_encoder->dcb && nv_encoder->dcb->type == type))
382 return nv_encoder;
383 }
384
385 return NULL;
386}
387
388struct nouveau_connector *
389nouveau_encoder_connector_get(struct nouveau_encoder *encoder)
390{
391 struct drm_device *dev = to_drm_encoder(encoder)->dev;
392 struct drm_connector *drm_connector;
393
394 list_for_each_entry(drm_connector, &dev->mode_config.connector_list, head) {
395 if (drm_connector->encoder == to_drm_encoder(encoder))
396 return nouveau_connector(drm_connector);
397 }
398
399 return NULL;
400}
401
402static void
403nouveau_connector_destroy(struct drm_connector *connector)
404{
405 struct nouveau_connector *nv_connector = nouveau_connector(connector);
406 nvif_notify_fini(&nv_connector->hpd);
407 kfree(nv_connector->edid);
408 drm_connector_unregister(connector);
409 drm_connector_cleanup(connector);
410 if (nv_connector->aux.transfer)
411 drm_dp_aux_unregister(&nv_connector->aux);
412 kfree(connector);
413}
414
415static struct nouveau_encoder *
416nouveau_connector_ddc_detect(struct drm_connector *connector)
417{
418 struct drm_device *dev = connector->dev;
419 struct nouveau_connector *nv_connector = nouveau_connector(connector);
420 struct nouveau_drm *drm = nouveau_drm(dev);
421 struct nvkm_gpio *gpio = nvxx_gpio(&drm->device);
422 struct nouveau_encoder *nv_encoder;
423 struct drm_encoder *encoder;
424 int i, panel = -ENODEV;
425
426 /* eDP panels need powering on by us (if the VBIOS doesn't default it
427 * to on) before doing any AUX channel transactions. LVDS panel power
428 * is handled by the SOR itself, and not required for LVDS DDC.
429 */
430 if (nv_connector->type == DCB_CONNECTOR_eDP) {
431 panel = nvkm_gpio_get(gpio, 0, DCB_GPIO_PANEL_POWER, 0xff);
432 if (panel == 0) {
433 nvkm_gpio_set(gpio, 0, DCB_GPIO_PANEL_POWER, 0xff, 1);
434 msleep(300);
435 }
436 }
437
438 for (i = 0; nv_encoder = NULL, i < DRM_CONNECTOR_MAX_ENCODER; i++) {
439 int id = connector->encoder_ids[i];
440 if (id == 0)
441 break;
442
443 encoder = drm_encoder_find(dev, id);
444 if (!encoder)
445 continue;
446 nv_encoder = nouveau_encoder(encoder);
447
448 if (nv_encoder->dcb->type == DCB_OUTPUT_DP) {
449 int ret = nouveau_dp_detect(nv_encoder);
450 if (ret == NOUVEAU_DP_MST)
451 return NULL;
452 if (ret == NOUVEAU_DP_SST)
453 break;
454 } else
455 if ((vga_switcheroo_handler_flags() &
456 VGA_SWITCHEROO_CAN_SWITCH_DDC) &&
457 nv_encoder->dcb->type == DCB_OUTPUT_LVDS &&
458 nv_encoder->i2c) {
459 int ret;
460 vga_switcheroo_lock_ddc(dev->pdev);
461 ret = nvkm_probe_i2c(nv_encoder->i2c, 0x50);
462 vga_switcheroo_unlock_ddc(dev->pdev);
463 if (ret)
464 break;
465 } else
466 if (nv_encoder->i2c) {
467 if (nvkm_probe_i2c(nv_encoder->i2c, 0x50))
468 break;
469 }
470 }
471
472 /* eDP panel not detected, restore panel power GPIO to previous
473 * state to avoid confusing the SOR for other output types.
474 */
475 if (!nv_encoder && panel == 0)
476 nvkm_gpio_set(gpio, 0, DCB_GPIO_PANEL_POWER, 0xff, panel);
477
478 return nv_encoder;
479}
480
481static struct nouveau_encoder *
482nouveau_connector_of_detect(struct drm_connector *connector)
483{
484#ifdef __powerpc__
485 struct drm_device *dev = connector->dev;
486 struct nouveau_connector *nv_connector = nouveau_connector(connector);
487 struct nouveau_encoder *nv_encoder;
488 struct device_node *cn, *dn = pci_device_to_OF_node(dev->pdev);
489
490 if (!dn ||
491 !((nv_encoder = find_encoder(connector, DCB_OUTPUT_TMDS)) ||
492 (nv_encoder = find_encoder(connector, DCB_OUTPUT_ANALOG))))
493 return NULL;
494
495 for_each_child_of_node(dn, cn) {
496 const char *name = of_get_property(cn, "name", NULL);
497 const void *edid = of_get_property(cn, "EDID", NULL);
498 int idx = name ? name[strlen(name) - 1] - 'A' : 0;
499
500 if (nv_encoder->dcb->i2c_index == idx && edid) {
501 nv_connector->edid =
502 kmemdup(edid, EDID_LENGTH, GFP_KERNEL);
503 of_node_put(cn);
504 return nv_encoder;
505 }
506 }
507#endif
508 return NULL;
509}
510
511static void
512nouveau_connector_set_encoder(struct drm_connector *connector,
513 struct nouveau_encoder *nv_encoder)
514{
515 struct nouveau_connector *nv_connector = nouveau_connector(connector);
516 struct nouveau_drm *drm = nouveau_drm(connector->dev);
517 struct drm_device *dev = connector->dev;
518
519 if (nv_connector->detected_encoder == nv_encoder)
520 return;
521 nv_connector->detected_encoder = nv_encoder;
522
523 if (drm->device.info.family >= NV_DEVICE_INFO_V0_TESLA) {
524 connector->interlace_allowed = true;
525 connector->doublescan_allowed = true;
526 } else
527 if (nv_encoder->dcb->type == DCB_OUTPUT_LVDS ||
528 nv_encoder->dcb->type == DCB_OUTPUT_TMDS) {
529 connector->doublescan_allowed = false;
530 connector->interlace_allowed = false;
531 } else {
532 connector->doublescan_allowed = true;
533 if (drm->device.info.family == NV_DEVICE_INFO_V0_KELVIN ||
534 (drm->device.info.family == NV_DEVICE_INFO_V0_CELSIUS &&
535 (dev->pdev->device & 0x0ff0) != 0x0100 &&
536 (dev->pdev->device & 0x0ff0) != 0x0150))
537 /* HW is broken */
538 connector->interlace_allowed = false;
539 else
540 connector->interlace_allowed = true;
541 }
542
543 if (nv_connector->type == DCB_CONNECTOR_DVI_I) {
544 drm_object_property_set_value(&connector->base,
545 dev->mode_config.dvi_i_subconnector_property,
546 nv_encoder->dcb->type == DCB_OUTPUT_TMDS ?
547 DRM_MODE_SUBCONNECTOR_DVID :
548 DRM_MODE_SUBCONNECTOR_DVIA);
549 }
550}
551
552static enum drm_connector_status
553nouveau_connector_detect(struct drm_connector *connector, bool force)
554{
555 struct drm_device *dev = connector->dev;
556 struct nouveau_drm *drm = nouveau_drm(dev);
557 struct nouveau_connector *nv_connector = nouveau_connector(connector);
558 struct nouveau_encoder *nv_encoder = NULL;
559 struct nouveau_encoder *nv_partner;
560 struct i2c_adapter *i2c;
561 int type;
562 int ret;
563 enum drm_connector_status conn_status = connector_status_disconnected;
564
565 /* Cleanup the previous EDID block. */
566 if (nv_connector->edid) {
567 drm_mode_connector_update_edid_property(connector, NULL);
568 kfree(nv_connector->edid);
569 nv_connector->edid = NULL;
570 }
571
572 ret = pm_runtime_get_sync(connector->dev->dev);
573 if (ret < 0 && ret != -EACCES)
574 return conn_status;
575
576 nv_encoder = nouveau_connector_ddc_detect(connector);
577 if (nv_encoder && (i2c = nv_encoder->i2c) != NULL) {
578 if ((vga_switcheroo_handler_flags() &
579 VGA_SWITCHEROO_CAN_SWITCH_DDC) &&
580 nv_connector->type == DCB_CONNECTOR_LVDS)
581 nv_connector->edid = drm_get_edid_switcheroo(connector,
582 i2c);
583 else
584 nv_connector->edid = drm_get_edid(connector, i2c);
585
586 drm_mode_connector_update_edid_property(connector,
587 nv_connector->edid);
588 if (!nv_connector->edid) {
589 NV_ERROR(drm, "DDC responded, but no EDID for %s\n",
590 connector->name);
591 goto detect_analog;
592 }
593
594 /* Override encoder type for DVI-I based on whether EDID
595 * says the display is digital or analog, both use the
596 * same i2c channel so the value returned from ddc_detect
597 * isn't necessarily correct.
598 */
599 nv_partner = NULL;
600 if (nv_encoder->dcb->type == DCB_OUTPUT_TMDS)
601 nv_partner = find_encoder(connector, DCB_OUTPUT_ANALOG);
602 if (nv_encoder->dcb->type == DCB_OUTPUT_ANALOG)
603 nv_partner = find_encoder(connector, DCB_OUTPUT_TMDS);
604
605 if (nv_partner && ((nv_encoder->dcb->type == DCB_OUTPUT_ANALOG &&
606 nv_partner->dcb->type == DCB_OUTPUT_TMDS) ||
607 (nv_encoder->dcb->type == DCB_OUTPUT_TMDS &&
608 nv_partner->dcb->type == DCB_OUTPUT_ANALOG))) {
609 if (nv_connector->edid->input & DRM_EDID_INPUT_DIGITAL)
610 type = DCB_OUTPUT_TMDS;
611 else
612 type = DCB_OUTPUT_ANALOG;
613
614 nv_encoder = find_encoder(connector, type);
615 }
616
617 nouveau_connector_set_encoder(connector, nv_encoder);
618 conn_status = connector_status_connected;
619 goto out;
620 }
621
622 nv_encoder = nouveau_connector_of_detect(connector);
623 if (nv_encoder) {
624 nouveau_connector_set_encoder(connector, nv_encoder);
625 conn_status = connector_status_connected;
626 goto out;
627 }
628
629detect_analog:
630 nv_encoder = find_encoder(connector, DCB_OUTPUT_ANALOG);
631 if (!nv_encoder && !nouveau_tv_disable)
632 nv_encoder = find_encoder(connector, DCB_OUTPUT_TV);
633 if (nv_encoder && force) {
634 struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
635 const struct drm_encoder_helper_funcs *helper =
636 encoder->helper_private;
637
638 if (helper->detect(encoder, connector) ==
639 connector_status_connected) {
640 nouveau_connector_set_encoder(connector, nv_encoder);
641 conn_status = connector_status_connected;
642 goto out;
643 }
644
645 }
646
647 out:
648
649 pm_runtime_mark_last_busy(connector->dev->dev);
650 pm_runtime_put_autosuspend(connector->dev->dev);
651
652 return conn_status;
653}
654
655static enum drm_connector_status
656nouveau_connector_detect_lvds(struct drm_connector *connector, bool force)
657{
658 struct drm_device *dev = connector->dev;
659 struct nouveau_drm *drm = nouveau_drm(dev);
660 struct nouveau_connector *nv_connector = nouveau_connector(connector);
661 struct nouveau_encoder *nv_encoder = NULL;
662 enum drm_connector_status status = connector_status_disconnected;
663
664 /* Cleanup the previous EDID block. */
665 if (nv_connector->edid) {
666 drm_mode_connector_update_edid_property(connector, NULL);
667 kfree(nv_connector->edid);
668 nv_connector->edid = NULL;
669 }
670
671 nv_encoder = find_encoder(connector, DCB_OUTPUT_LVDS);
672 if (!nv_encoder)
673 return connector_status_disconnected;
674
675 /* Try retrieving EDID via DDC */
676 if (!drm->vbios.fp_no_ddc) {
677 status = nouveau_connector_detect(connector, force);
678 if (status == connector_status_connected)
679 goto out;
680 }
681
682 /* On some laptops (Sony, i'm looking at you) there appears to
683 * be no direct way of accessing the panel's EDID. The only
684 * option available to us appears to be to ask ACPI for help..
685 *
686 * It's important this check's before trying straps, one of the
687 * said manufacturer's laptops are configured in such a way
688 * the nouveau decides an entry in the VBIOS FP mode table is
689 * valid - it's not (rh#613284)
690 */
691 if (nv_encoder->dcb->lvdsconf.use_acpi_for_edid) {
692 if ((nv_connector->edid = nouveau_acpi_edid(dev, connector))) {
693 status = connector_status_connected;
694 goto out;
695 }
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 (nouveau_bios_fp_mode(dev, NULL) && (drm->vbios.fp_no_ddc ||
703 nv_encoder->dcb->lvdsconf.use_straps_for_mode)) {
704 status = connector_status_connected;
705 goto out;
706 }
707
708 /* Still nothing, some VBIOS images have a hardcoded EDID block
709 * stored for the panel stored in them.
710 */
711 if (!drm->vbios.fp_no_ddc) {
712 struct edid *edid =
713 (struct edid *)nouveau_bios_embedded_edid(dev);
714 if (edid) {
715 nv_connector->edid =
716 kmemdup(edid, EDID_LENGTH, GFP_KERNEL);
717 if (nv_connector->edid)
718 status = connector_status_connected;
719 }
720 }
721
722out:
723#if defined(CONFIG_ACPI_BUTTON) || \
724 (defined(CONFIG_ACPI_BUTTON_MODULE) && defined(MODULE))
725 if (status == connector_status_connected &&
726 !nouveau_ignorelid && !acpi_lid_open())
727 status = connector_status_unknown;
728#endif
729
730 drm_mode_connector_update_edid_property(connector, nv_connector->edid);
731 nouveau_connector_set_encoder(connector, nv_encoder);
732 return status;
733}
734
735static void
736nouveau_connector_force(struct drm_connector *connector)
737{
738 struct nouveau_drm *drm = nouveau_drm(connector->dev);
739 struct nouveau_connector *nv_connector = nouveau_connector(connector);
740 struct nouveau_encoder *nv_encoder;
741 int type;
742
743 if (nv_connector->type == DCB_CONNECTOR_DVI_I) {
744 if (connector->force == DRM_FORCE_ON_DIGITAL)
745 type = DCB_OUTPUT_TMDS;
746 else
747 type = DCB_OUTPUT_ANALOG;
748 } else
749 type = DCB_OUTPUT_ANY;
750
751 nv_encoder = find_encoder(connector, type);
752 if (!nv_encoder) {
753 NV_ERROR(drm, "can't find encoder to force %s on!\n",
754 connector->name);
755 connector->status = connector_status_disconnected;
756 return;
757 }
758
759 nouveau_connector_set_encoder(connector, nv_encoder);
760}
761
762static int
763nouveau_connector_set_property(struct drm_connector *connector,
764 struct drm_property *property, uint64_t value)
765{
766 struct nouveau_conn_atom *asyc = nouveau_conn_atom(connector->state);
767 struct nouveau_connector *nv_connector = nouveau_connector(connector);
768 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
769 struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
770 int ret;
771
772 if (connector->dev->mode_config.funcs->atomic_commit)
773 return drm_atomic_helper_connector_set_property(connector, property, value);
774
775 ret = connector->funcs->atomic_set_property(&nv_connector->base,
776 &asyc->state,
777 property, value);
778 if (ret) {
779 if (nv_encoder && nv_encoder->dcb->type == DCB_OUTPUT_TV)
780 return get_slave_funcs(encoder)->set_property(
781 encoder, connector, property, value);
782 return ret;
783 }
784
785 nv_connector->scaling_mode = asyc->scaler.mode;
786 nv_connector->dithering_mode = asyc->dither.mode;
787
788 if (connector->encoder && connector->encoder->crtc) {
789 ret = drm_crtc_helper_set_mode(connector->encoder->crtc,
790 &connector->encoder->crtc->mode,
791 connector->encoder->crtc->x,
792 connector->encoder->crtc->y,
793 NULL);
794 if (!ret)
795 return -EINVAL;
796 }
797
798 return 0;
799}
800
801struct moderec {
802 int hdisplay;
803 int vdisplay;
804};
805
806static struct moderec scaler_modes[] = {
807 { 1920, 1200 },
808 { 1920, 1080 },
809 { 1680, 1050 },
810 { 1600, 1200 },
811 { 1400, 1050 },
812 { 1280, 1024 },
813 { 1280, 960 },
814 { 1152, 864 },
815 { 1024, 768 },
816 { 800, 600 },
817 { 720, 400 },
818 { 640, 480 },
819 { 640, 400 },
820 { 640, 350 },
821 {}
822};
823
824static int
825nouveau_connector_scaler_modes_add(struct drm_connector *connector)
826{
827 struct nouveau_connector *nv_connector = nouveau_connector(connector);
828 struct drm_display_mode *native = nv_connector->native_mode, *m;
829 struct drm_device *dev = connector->dev;
830 struct moderec *mode = &scaler_modes[0];
831 int modes = 0;
832
833 if (!native)
834 return 0;
835
836 while (mode->hdisplay) {
837 if (mode->hdisplay <= native->hdisplay &&
838 mode->vdisplay <= native->vdisplay &&
839 (mode->hdisplay != native->hdisplay ||
840 mode->vdisplay != native->vdisplay)) {
841 m = drm_cvt_mode(dev, mode->hdisplay, mode->vdisplay,
842 drm_mode_vrefresh(native), false,
843 false, false);
844 if (!m)
845 continue;
846
847 drm_mode_probed_add(connector, m);
848 modes++;
849 }
850
851 mode++;
852 }
853
854 return modes;
855}
856
857static void
858nouveau_connector_detect_depth(struct drm_connector *connector)
859{
860 struct nouveau_drm *drm = nouveau_drm(connector->dev);
861 struct nouveau_connector *nv_connector = nouveau_connector(connector);
862 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
863 struct nvbios *bios = &drm->vbios;
864 struct drm_display_mode *mode = nv_connector->native_mode;
865 bool duallink;
866
867 /* if the edid is feeling nice enough to provide this info, use it */
868 if (nv_connector->edid && connector->display_info.bpc)
869 return;
870
871 /* EDID 1.4 is *supposed* to be supported on eDP, but, Apple... */
872 if (nv_connector->type == DCB_CONNECTOR_eDP) {
873 connector->display_info.bpc = 6;
874 return;
875 }
876
877 /* we're out of options unless we're LVDS, default to 8bpc */
878 if (nv_encoder->dcb->type != DCB_OUTPUT_LVDS) {
879 connector->display_info.bpc = 8;
880 return;
881 }
882
883 connector->display_info.bpc = 6;
884
885 /* LVDS: panel straps */
886 if (bios->fp_no_ddc) {
887 if (bios->fp.if_is_24bit)
888 connector->display_info.bpc = 8;
889 return;
890 }
891
892 /* LVDS: DDC panel, need to first determine the number of links to
893 * know which if_is_24bit flag to check...
894 */
895 if (nv_connector->edid &&
896 nv_connector->type == DCB_CONNECTOR_LVDS_SPWG)
897 duallink = ((u8 *)nv_connector->edid)[121] == 2;
898 else
899 duallink = mode->clock >= bios->fp.duallink_transition_clk;
900
901 if ((!duallink && (bios->fp.strapless_is_24bit & 1)) ||
902 ( duallink && (bios->fp.strapless_is_24bit & 2)))
903 connector->display_info.bpc = 8;
904}
905
906static int
907nouveau_connector_get_modes(struct drm_connector *connector)
908{
909 struct drm_device *dev = connector->dev;
910 struct nouveau_drm *drm = nouveau_drm(dev);
911 struct nouveau_connector *nv_connector = nouveau_connector(connector);
912 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
913 struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
914 int ret = 0;
915
916 /* destroy the native mode, the attached monitor could have changed.
917 */
918 if (nv_connector->native_mode) {
919 drm_mode_destroy(dev, nv_connector->native_mode);
920 nv_connector->native_mode = NULL;
921 }
922
923 if (nv_connector->edid)
924 ret = drm_add_edid_modes(connector, nv_connector->edid);
925 else
926 if (nv_encoder->dcb->type == DCB_OUTPUT_LVDS &&
927 (nv_encoder->dcb->lvdsconf.use_straps_for_mode ||
928 drm->vbios.fp_no_ddc) && nouveau_bios_fp_mode(dev, NULL)) {
929 struct drm_display_mode mode;
930
931 nouveau_bios_fp_mode(dev, &mode);
932 nv_connector->native_mode = drm_mode_duplicate(dev, &mode);
933 }
934
935 /* Determine display colour depth for everything except LVDS now,
936 * DP requires this before mode_valid() is called.
937 */
938 if (connector->connector_type != DRM_MODE_CONNECTOR_LVDS)
939 nouveau_connector_detect_depth(connector);
940
941 /* Find the native mode if this is a digital panel, if we didn't
942 * find any modes through DDC previously add the native mode to
943 * the list of modes.
944 */
945 if (!nv_connector->native_mode)
946 nv_connector->native_mode = nouveau_conn_native_mode(connector);
947 if (ret == 0 && nv_connector->native_mode) {
948 struct drm_display_mode *mode;
949
950 mode = drm_mode_duplicate(dev, nv_connector->native_mode);
951 drm_mode_probed_add(connector, mode);
952 ret = 1;
953 }
954
955 /* Determine LVDS colour depth, must happen after determining
956 * "native" mode as some VBIOS tables require us to use the
957 * pixel clock as part of the lookup...
958 */
959 if (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)
960 nouveau_connector_detect_depth(connector);
961
962 if (nv_encoder->dcb->type == DCB_OUTPUT_TV)
963 ret = get_slave_funcs(encoder)->get_modes(encoder, connector);
964
965 if (nv_connector->type == DCB_CONNECTOR_LVDS ||
966 nv_connector->type == DCB_CONNECTOR_LVDS_SPWG ||
967 nv_connector->type == DCB_CONNECTOR_eDP)
968 ret += nouveau_connector_scaler_modes_add(connector);
969
970 return ret;
971}
972
973static unsigned
974get_tmds_link_bandwidth(struct drm_connector *connector, bool hdmi)
975{
976 struct nouveau_connector *nv_connector = nouveau_connector(connector);
977 struct nouveau_drm *drm = nouveau_drm(connector->dev);
978 struct dcb_output *dcb = nv_connector->detected_encoder->dcb;
979
980 if (hdmi) {
981 if (nouveau_hdmimhz > 0)
982 return nouveau_hdmimhz * 1000;
983 /* Note: these limits are conservative, some Fermi's
984 * can do 297 MHz. Unclear how this can be determined.
985 */
986 if (drm->device.info.family >= NV_DEVICE_INFO_V0_KEPLER)
987 return 297000;
988 if (drm->device.info.family >= NV_DEVICE_INFO_V0_FERMI)
989 return 225000;
990 }
991 if (dcb->location != DCB_LOC_ON_CHIP ||
992 drm->device.info.chipset >= 0x46)
993 return 165000;
994 else if (drm->device.info.chipset >= 0x40)
995 return 155000;
996 else if (drm->device.info.chipset >= 0x18)
997 return 135000;
998 else
999 return 112000;
1000}
1001
1002static int
1003nouveau_connector_mode_valid(struct drm_connector *connector,
1004 struct drm_display_mode *mode)
1005{
1006 struct nouveau_connector *nv_connector = nouveau_connector(connector);
1007 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
1008 struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
1009 unsigned min_clock = 25000, max_clock = min_clock;
1010 unsigned clock = mode->clock;
1011 bool hdmi;
1012
1013 switch (nv_encoder->dcb->type) {
1014 case DCB_OUTPUT_LVDS:
1015 if (nv_connector->native_mode &&
1016 (mode->hdisplay > nv_connector->native_mode->hdisplay ||
1017 mode->vdisplay > nv_connector->native_mode->vdisplay))
1018 return MODE_PANEL;
1019
1020 min_clock = 0;
1021 max_clock = 400000;
1022 break;
1023 case DCB_OUTPUT_TMDS:
1024 hdmi = drm_detect_hdmi_monitor(nv_connector->edid);
1025 max_clock = get_tmds_link_bandwidth(connector, hdmi);
1026 if (!hdmi && nouveau_duallink &&
1027 nv_encoder->dcb->duallink_possible)
1028 max_clock *= 2;
1029 break;
1030 case DCB_OUTPUT_ANALOG:
1031 max_clock = nv_encoder->dcb->crtconf.maxfreq;
1032 if (!max_clock)
1033 max_clock = 350000;
1034 break;
1035 case DCB_OUTPUT_TV:
1036 return get_slave_funcs(encoder)->mode_valid(encoder, mode);
1037 case DCB_OUTPUT_DP:
1038 max_clock = nv_encoder->dp.link_nr;
1039 max_clock *= nv_encoder->dp.link_bw;
1040 clock = clock * (connector->display_info.bpc * 3) / 10;
1041 break;
1042 default:
1043 BUG_ON(1);
1044 return MODE_BAD;
1045 }
1046
1047 if (clock < min_clock)
1048 return MODE_CLOCK_LOW;
1049
1050 if (clock > max_clock)
1051 return MODE_CLOCK_HIGH;
1052
1053 return MODE_OK;
1054}
1055
1056static struct drm_encoder *
1057nouveau_connector_best_encoder(struct drm_connector *connector)
1058{
1059 struct nouveau_connector *nv_connector = nouveau_connector(connector);
1060
1061 if (nv_connector->detected_encoder)
1062 return to_drm_encoder(nv_connector->detected_encoder);
1063
1064 return NULL;
1065}
1066
1067static const struct drm_connector_helper_funcs
1068nouveau_connector_helper_funcs = {
1069 .get_modes = nouveau_connector_get_modes,
1070 .mode_valid = nouveau_connector_mode_valid,
1071 .best_encoder = nouveau_connector_best_encoder,
1072};
1073
1074static int
1075nouveau_connector_dpms(struct drm_connector *connector, int mode)
1076{
1077 if (connector->dev->mode_config.funcs->atomic_commit)
1078 return drm_atomic_helper_connector_dpms(connector, mode);
1079 return drm_helper_connector_dpms(connector, mode);
1080}
1081
1082static const struct drm_connector_funcs
1083nouveau_connector_funcs = {
1084 .dpms = nouveau_connector_dpms,
1085 .reset = nouveau_conn_reset,
1086 .detect = nouveau_connector_detect,
1087 .force = nouveau_connector_force,
1088 .fill_modes = drm_helper_probe_single_connector_modes,
1089 .set_property = nouveau_connector_set_property,
1090 .destroy = nouveau_connector_destroy,
1091 .atomic_duplicate_state = nouveau_conn_atomic_duplicate_state,
1092 .atomic_destroy_state = nouveau_conn_atomic_destroy_state,
1093 .atomic_set_property = nouveau_conn_atomic_set_property,
1094 .atomic_get_property = nouveau_conn_atomic_get_property,
1095};
1096
1097static const struct drm_connector_funcs
1098nouveau_connector_funcs_lvds = {
1099 .dpms = nouveau_connector_dpms,
1100 .reset = nouveau_conn_reset,
1101 .detect = nouveau_connector_detect_lvds,
1102 .force = nouveau_connector_force,
1103 .fill_modes = drm_helper_probe_single_connector_modes,
1104 .set_property = nouveau_connector_set_property,
1105 .destroy = nouveau_connector_destroy,
1106 .atomic_duplicate_state = nouveau_conn_atomic_duplicate_state,
1107 .atomic_destroy_state = nouveau_conn_atomic_destroy_state,
1108 .atomic_set_property = nouveau_conn_atomic_set_property,
1109 .atomic_get_property = nouveau_conn_atomic_get_property,
1110};
1111
1112static int
1113nouveau_connector_hotplug(struct nvif_notify *notify)
1114{
1115 struct nouveau_connector *nv_connector =
1116 container_of(notify, typeof(*nv_connector), hpd);
1117 struct drm_connector *connector = &nv_connector->base;
1118 struct nouveau_drm *drm = nouveau_drm(connector->dev);
1119 const struct nvif_notify_conn_rep_v0 *rep = notify->data;
1120 const char *name = connector->name;
1121 struct nouveau_encoder *nv_encoder;
1122
1123 if (rep->mask & NVIF_NOTIFY_CONN_V0_IRQ) {
1124 NV_DEBUG(drm, "service %s\n", name);
1125 if ((nv_encoder = find_encoder(connector, DCB_OUTPUT_DP)))
1126 nv50_mstm_service(nv_encoder->dp.mstm);
1127 } else {
1128 bool plugged = (rep->mask != NVIF_NOTIFY_CONN_V0_UNPLUG);
1129
1130 NV_DEBUG(drm, "%splugged %s\n", plugged ? "" : "un", name);
1131 if ((nv_encoder = find_encoder(connector, DCB_OUTPUT_DP))) {
1132 if (!plugged)
1133 nv50_mstm_remove(nv_encoder->dp.mstm);
1134 }
1135
1136 drm_helper_hpd_irq_event(connector->dev);
1137 }
1138
1139 return NVIF_NOTIFY_KEEP;
1140}
1141
1142static ssize_t
1143nouveau_connector_aux_xfer(struct drm_dp_aux *obj, struct drm_dp_aux_msg *msg)
1144{
1145 struct nouveau_connector *nv_connector =
1146 container_of(obj, typeof(*nv_connector), aux);
1147 struct nouveau_encoder *nv_encoder;
1148 struct nvkm_i2c_aux *aux;
1149 int ret;
1150
1151 nv_encoder = find_encoder(&nv_connector->base, DCB_OUTPUT_DP);
1152 if (!nv_encoder || !(aux = nv_encoder->aux))
1153 return -ENODEV;
1154 if (WARN_ON(msg->size > 16))
1155 return -E2BIG;
1156 if (msg->size == 0)
1157 return msg->size;
1158
1159 ret = nvkm_i2c_aux_acquire(aux);
1160 if (ret)
1161 return ret;
1162
1163 ret = nvkm_i2c_aux_xfer(aux, false, msg->request, msg->address,
1164 msg->buffer, msg->size);
1165 nvkm_i2c_aux_release(aux);
1166 if (ret >= 0) {
1167 msg->reply = ret;
1168 return msg->size;
1169 }
1170
1171 return ret;
1172}
1173
1174static int
1175drm_conntype_from_dcb(enum dcb_connector_type dcb)
1176{
1177 switch (dcb) {
1178 case DCB_CONNECTOR_VGA : return DRM_MODE_CONNECTOR_VGA;
1179 case DCB_CONNECTOR_TV_0 :
1180 case DCB_CONNECTOR_TV_1 :
1181 case DCB_CONNECTOR_TV_3 : return DRM_MODE_CONNECTOR_TV;
1182 case DCB_CONNECTOR_DMS59_0 :
1183 case DCB_CONNECTOR_DMS59_1 :
1184 case DCB_CONNECTOR_DVI_I : return DRM_MODE_CONNECTOR_DVII;
1185 case DCB_CONNECTOR_DVI_D : return DRM_MODE_CONNECTOR_DVID;
1186 case DCB_CONNECTOR_LVDS :
1187 case DCB_CONNECTOR_LVDS_SPWG: return DRM_MODE_CONNECTOR_LVDS;
1188 case DCB_CONNECTOR_DMS59_DP0:
1189 case DCB_CONNECTOR_DMS59_DP1:
1190 case DCB_CONNECTOR_DP : return DRM_MODE_CONNECTOR_DisplayPort;
1191 case DCB_CONNECTOR_eDP : return DRM_MODE_CONNECTOR_eDP;
1192 case DCB_CONNECTOR_HDMI_0 :
1193 case DCB_CONNECTOR_HDMI_1 :
1194 case DCB_CONNECTOR_HDMI_C : return DRM_MODE_CONNECTOR_HDMIA;
1195 default:
1196 break;
1197 }
1198
1199 return DRM_MODE_CONNECTOR_Unknown;
1200}
1201
1202struct drm_connector *
1203nouveau_connector_create(struct drm_device *dev, int index)
1204{
1205 const struct drm_connector_funcs *funcs = &nouveau_connector_funcs;
1206 struct nouveau_drm *drm = nouveau_drm(dev);
1207 struct nouveau_display *disp = nouveau_display(dev);
1208 struct nouveau_connector *nv_connector = NULL;
1209 struct drm_connector *connector;
1210 int type, ret = 0;
1211 bool dummy;
1212
1213 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1214 nv_connector = nouveau_connector(connector);
1215 if (nv_connector->index == index)
1216 return connector;
1217 }
1218
1219 nv_connector = kzalloc(sizeof(*nv_connector), GFP_KERNEL);
1220 if (!nv_connector)
1221 return ERR_PTR(-ENOMEM);
1222
1223 connector = &nv_connector->base;
1224 nv_connector->index = index;
1225
1226 /* attempt to parse vbios connector type and hotplug gpio */
1227 nv_connector->dcb = olddcb_conn(dev, index);
1228 if (nv_connector->dcb) {
1229 u32 entry = ROM16(nv_connector->dcb[0]);
1230 if (olddcb_conntab(dev)[3] >= 4)
1231 entry |= (u32)ROM16(nv_connector->dcb[2]) << 16;
1232
1233 nv_connector->type = nv_connector->dcb[0];
1234 if (drm_conntype_from_dcb(nv_connector->type) ==
1235 DRM_MODE_CONNECTOR_Unknown) {
1236 NV_WARN(drm, "unknown connector type %02x\n",
1237 nv_connector->type);
1238 nv_connector->type = DCB_CONNECTOR_NONE;
1239 }
1240
1241 /* Gigabyte NX85T */
1242 if (nv_match_device(dev, 0x0421, 0x1458, 0x344c)) {
1243 if (nv_connector->type == DCB_CONNECTOR_HDMI_1)
1244 nv_connector->type = DCB_CONNECTOR_DVI_I;
1245 }
1246
1247 /* Gigabyte GV-NX86T512H */
1248 if (nv_match_device(dev, 0x0402, 0x1458, 0x3455)) {
1249 if (nv_connector->type == DCB_CONNECTOR_HDMI_1)
1250 nv_connector->type = DCB_CONNECTOR_DVI_I;
1251 }
1252 } else {
1253 nv_connector->type = DCB_CONNECTOR_NONE;
1254 }
1255
1256 /* no vbios data, or an unknown dcb connector type - attempt to
1257 * figure out something suitable ourselves
1258 */
1259 if (nv_connector->type == DCB_CONNECTOR_NONE) {
1260 struct nouveau_drm *drm = nouveau_drm(dev);
1261 struct dcb_table *dcbt = &drm->vbios.dcb;
1262 u32 encoders = 0;
1263 int i;
1264
1265 for (i = 0; i < dcbt->entries; i++) {
1266 if (dcbt->entry[i].connector == nv_connector->index)
1267 encoders |= (1 << dcbt->entry[i].type);
1268 }
1269
1270 if (encoders & (1 << DCB_OUTPUT_DP)) {
1271 if (encoders & (1 << DCB_OUTPUT_TMDS))
1272 nv_connector->type = DCB_CONNECTOR_DP;
1273 else
1274 nv_connector->type = DCB_CONNECTOR_eDP;
1275 } else
1276 if (encoders & (1 << DCB_OUTPUT_TMDS)) {
1277 if (encoders & (1 << DCB_OUTPUT_ANALOG))
1278 nv_connector->type = DCB_CONNECTOR_DVI_I;
1279 else
1280 nv_connector->type = DCB_CONNECTOR_DVI_D;
1281 } else
1282 if (encoders & (1 << DCB_OUTPUT_ANALOG)) {
1283 nv_connector->type = DCB_CONNECTOR_VGA;
1284 } else
1285 if (encoders & (1 << DCB_OUTPUT_LVDS)) {
1286 nv_connector->type = DCB_CONNECTOR_LVDS;
1287 } else
1288 if (encoders & (1 << DCB_OUTPUT_TV)) {
1289 nv_connector->type = DCB_CONNECTOR_TV_0;
1290 }
1291 }
1292
1293 switch ((type = drm_conntype_from_dcb(nv_connector->type))) {
1294 case DRM_MODE_CONNECTOR_LVDS:
1295 ret = nouveau_bios_parse_lvds_table(dev, 0, &dummy, &dummy);
1296 if (ret) {
1297 NV_ERROR(drm, "Error parsing LVDS table, disabling\n");
1298 kfree(nv_connector);
1299 return ERR_PTR(ret);
1300 }
1301
1302 funcs = &nouveau_connector_funcs_lvds;
1303 break;
1304 case DRM_MODE_CONNECTOR_DisplayPort:
1305 case DRM_MODE_CONNECTOR_eDP:
1306 nv_connector->aux.dev = dev->dev;
1307 nv_connector->aux.transfer = nouveau_connector_aux_xfer;
1308 ret = drm_dp_aux_register(&nv_connector->aux);
1309 if (ret) {
1310 NV_ERROR(drm, "failed to register aux channel\n");
1311 kfree(nv_connector);
1312 return ERR_PTR(ret);
1313 }
1314
1315 funcs = &nouveau_connector_funcs;
1316 break;
1317 default:
1318 funcs = &nouveau_connector_funcs;
1319 break;
1320 }
1321
1322 /* defaults, will get overridden in detect() */
1323 connector->interlace_allowed = false;
1324 connector->doublescan_allowed = false;
1325
1326 drm_connector_init(dev, connector, funcs, type);
1327 drm_connector_helper_add(connector, &nouveau_connector_helper_funcs);
1328
1329 connector->funcs->reset(connector);
1330 nouveau_conn_attach_properties(connector);
1331
1332 /* Default scaling mode */
1333 switch (nv_connector->type) {
1334 case DCB_CONNECTOR_LVDS:
1335 case DCB_CONNECTOR_LVDS_SPWG:
1336 case DCB_CONNECTOR_eDP:
1337 /* see note in nouveau_connector_set_property() */
1338 if (disp->disp.oclass < NV50_DISP) {
1339 nv_connector->scaling_mode = DRM_MODE_SCALE_FULLSCREEN;
1340 break;
1341 }
1342 nv_connector->scaling_mode = DRM_MODE_SCALE_NONE;
1343 break;
1344 default:
1345 nv_connector->scaling_mode = DRM_MODE_SCALE_NONE;
1346 break;
1347 }
1348
1349 /* dithering properties */
1350 switch (nv_connector->type) {
1351 case DCB_CONNECTOR_TV_0:
1352 case DCB_CONNECTOR_TV_1:
1353 case DCB_CONNECTOR_TV_3:
1354 case DCB_CONNECTOR_VGA:
1355 break;
1356 default:
1357 nv_connector->dithering_mode = DITHERING_MODE_AUTO;
1358 break;
1359 }
1360
1361 ret = nvif_notify_init(&disp->disp, nouveau_connector_hotplug, true,
1362 NV04_DISP_NTFY_CONN,
1363 &(struct nvif_notify_conn_req_v0) {
1364 .mask = NVIF_NOTIFY_CONN_V0_ANY,
1365 .conn = index,
1366 },
1367 sizeof(struct nvif_notify_conn_req_v0),
1368 sizeof(struct nvif_notify_conn_rep_v0),
1369 &nv_connector->hpd);
1370 if (ret)
1371 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1372 else
1373 connector->polled = DRM_CONNECTOR_POLL_HPD;
1374
1375 drm_connector_register(connector);
1376 return connector;
1377}