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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 <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}
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/drm_atomic_helper.h>
33#include <drm/drm_edid.h>
34#include <drm/drm_crtc_helper.h>
35#include <drm/drm_probe_helper.h>
36#include <drm/drm_atomic.h>
37
38#include "nouveau_reg.h"
39#include "nouveau_drv.h"
40#include "dispnv04/hw.h"
41#include "dispnv50/disp.h"
42#include "nouveau_acpi.h"
43
44#include "nouveau_display.h"
45#include "nouveau_connector.h"
46#include "nouveau_encoder.h"
47#include "nouveau_crtc.h"
48
49#include <nvif/class.h>
50#include <nvif/if0011.h>
51
52struct drm_display_mode *
53nouveau_conn_native_mode(struct drm_connector *connector)
54{
55 const struct drm_connector_helper_funcs *helper = connector->helper_private;
56 struct nouveau_drm *drm = nouveau_drm(connector->dev);
57 struct drm_device *dev = connector->dev;
58 struct drm_display_mode *mode, *largest = NULL;
59 int high_w = 0, high_h = 0, high_v = 0;
60
61 list_for_each_entry(mode, &connector->probed_modes, head) {
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 drm_mode_vrefresh(mode) < high_v)
83 continue;
84
85 high_w = mode->hdisplay;
86 high_h = mode->vdisplay;
87 high_v = drm_mode_vrefresh(mode);
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.object.oclass < NV50_DISP)
154 return -EINVAL;
155 break;
156 default:
157 break;
158 }
159 break;
160 case DRM_MODE_SCALE_FULLSCREEN:
161 case DRM_MODE_SCALE_CENTER:
162 case DRM_MODE_SCALE_ASPECT:
163 break;
164 default:
165 return -EINVAL;
166 }
167
168 if (asyc->scaler.mode != val) {
169 asyc->scaler.mode = val;
170 asyc->set.scaler = true;
171 }
172 } else
173 if (property == disp->underscan_property) {
174 if (asyc->scaler.underscan.mode != val) {
175 asyc->scaler.underscan.mode = val;
176 asyc->set.scaler = true;
177 }
178 } else
179 if (property == disp->underscan_hborder_property) {
180 if (asyc->scaler.underscan.hborder != val) {
181 asyc->scaler.underscan.hborder = val;
182 asyc->set.scaler = true;
183 }
184 } else
185 if (property == disp->underscan_vborder_property) {
186 if (asyc->scaler.underscan.vborder != val) {
187 asyc->scaler.underscan.vborder = val;
188 asyc->set.scaler = true;
189 }
190 } else
191 if (property == disp->dithering_mode) {
192 if (asyc->dither.mode != val) {
193 asyc->dither.mode = val;
194 asyc->set.dither = true;
195 }
196 } else
197 if (property == disp->dithering_depth) {
198 if (asyc->dither.mode != val) {
199 asyc->dither.depth = val;
200 asyc->set.dither = true;
201 }
202 } else
203 if (property == disp->vibrant_hue_property) {
204 if (asyc->procamp.vibrant_hue != val) {
205 asyc->procamp.vibrant_hue = val;
206 asyc->set.procamp = true;
207 }
208 } else
209 if (property == disp->color_vibrance_property) {
210 if (asyc->procamp.color_vibrance != val) {
211 asyc->procamp.color_vibrance = val;
212 asyc->set.procamp = true;
213 }
214 } else {
215 return -EINVAL;
216 }
217
218 return 0;
219}
220
221void
222nouveau_conn_atomic_destroy_state(struct drm_connector *connector,
223 struct drm_connector_state *state)
224{
225 struct nouveau_conn_atom *asyc = nouveau_conn_atom(state);
226 __drm_atomic_helper_connector_destroy_state(&asyc->state);
227 kfree(asyc);
228}
229
230struct drm_connector_state *
231nouveau_conn_atomic_duplicate_state(struct drm_connector *connector)
232{
233 struct nouveau_conn_atom *armc = nouveau_conn_atom(connector->state);
234 struct nouveau_conn_atom *asyc;
235 if (!(asyc = kmalloc(sizeof(*asyc), GFP_KERNEL)))
236 return NULL;
237 __drm_atomic_helper_connector_duplicate_state(connector, &asyc->state);
238 asyc->dither = armc->dither;
239 asyc->scaler = armc->scaler;
240 asyc->procamp = armc->procamp;
241 asyc->set.mask = 0;
242 return &asyc->state;
243}
244
245void
246nouveau_conn_reset(struct drm_connector *connector)
247{
248 struct nouveau_connector *nv_connector = nouveau_connector(connector);
249 struct nouveau_conn_atom *asyc;
250
251 if (drm_drv_uses_atomic_modeset(connector->dev)) {
252 if (WARN_ON(!(asyc = kzalloc(sizeof(*asyc), GFP_KERNEL))))
253 return;
254
255 if (connector->state)
256 nouveau_conn_atomic_destroy_state(connector,
257 connector->state);
258
259 __drm_atomic_helper_connector_reset(connector, &asyc->state);
260 } else {
261 asyc = &nv_connector->properties_state;
262 }
263
264 asyc->dither.mode = DITHERING_MODE_AUTO;
265 asyc->dither.depth = DITHERING_DEPTH_AUTO;
266 asyc->scaler.mode = DRM_MODE_SCALE_NONE;
267 asyc->scaler.underscan.mode = UNDERSCAN_OFF;
268 asyc->procamp.color_vibrance = 150;
269 asyc->procamp.vibrant_hue = 90;
270
271 if (nouveau_display(connector->dev)->disp.object.oclass < NV50_DISP) {
272 switch (connector->connector_type) {
273 case DRM_MODE_CONNECTOR_LVDS:
274 /* See note in nouveau_conn_atomic_set_property(). */
275 asyc->scaler.mode = DRM_MODE_SCALE_FULLSCREEN;
276 break;
277 default:
278 break;
279 }
280 }
281}
282
283void
284nouveau_conn_attach_properties(struct drm_connector *connector)
285{
286 struct drm_device *dev = connector->dev;
287 struct nouveau_display *disp = nouveau_display(dev);
288 struct nouveau_connector *nv_connector = nouveau_connector(connector);
289 struct nouveau_conn_atom *armc;
290
291 if (drm_drv_uses_atomic_modeset(connector->dev))
292 armc = nouveau_conn_atom(connector->state);
293 else
294 armc = &nv_connector->properties_state;
295
296 /* Init DVI-I specific properties. */
297 if (connector->connector_type == DRM_MODE_CONNECTOR_DVII)
298 drm_object_attach_property(&connector->base, dev->mode_config.
299 dvi_i_subconnector_property, 0);
300
301 /* Add overscan compensation options to digital outputs. */
302 if (disp->underscan_property &&
303 (connector->connector_type == DRM_MODE_CONNECTOR_DVID ||
304 connector->connector_type == DRM_MODE_CONNECTOR_DVII ||
305 connector->connector_type == DRM_MODE_CONNECTOR_HDMIA ||
306 connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort)) {
307 drm_object_attach_property(&connector->base,
308 disp->underscan_property,
309 UNDERSCAN_OFF);
310 drm_object_attach_property(&connector->base,
311 disp->underscan_hborder_property, 0);
312 drm_object_attach_property(&connector->base,
313 disp->underscan_vborder_property, 0);
314 }
315
316 /* Add hue and saturation options. */
317 if (disp->vibrant_hue_property)
318 drm_object_attach_property(&connector->base,
319 disp->vibrant_hue_property,
320 armc->procamp.vibrant_hue);
321 if (disp->color_vibrance_property)
322 drm_object_attach_property(&connector->base,
323 disp->color_vibrance_property,
324 armc->procamp.color_vibrance);
325
326 /* Scaling mode property. */
327 switch (connector->connector_type) {
328 case DRM_MODE_CONNECTOR_TV:
329 break;
330 case DRM_MODE_CONNECTOR_VGA:
331 if (disp->disp.object.oclass < NV50_DISP)
332 break; /* Can only scale on DFPs. */
333 fallthrough;
334 default:
335 drm_object_attach_property(&connector->base, dev->mode_config.
336 scaling_mode_property,
337 armc->scaler.mode);
338 break;
339 }
340
341 /* Dithering properties. */
342 switch (connector->connector_type) {
343 case DRM_MODE_CONNECTOR_TV:
344 case DRM_MODE_CONNECTOR_VGA:
345 break;
346 default:
347 if (disp->dithering_mode) {
348 drm_object_attach_property(&connector->base,
349 disp->dithering_mode,
350 armc->dither.mode);
351 }
352 if (disp->dithering_depth) {
353 drm_object_attach_property(&connector->base,
354 disp->dithering_depth,
355 armc->dither.depth);
356 }
357 break;
358 }
359}
360
361MODULE_PARM_DESC(tv_disable, "Disable TV-out detection");
362int nouveau_tv_disable = 0;
363module_param_named(tv_disable, nouveau_tv_disable, int, 0400);
364
365MODULE_PARM_DESC(ignorelid, "Ignore ACPI lid status");
366int nouveau_ignorelid = 0;
367module_param_named(ignorelid, nouveau_ignorelid, int, 0400);
368
369MODULE_PARM_DESC(duallink, "Allow dual-link TMDS (default: enabled)");
370int nouveau_duallink = 1;
371module_param_named(duallink, nouveau_duallink, int, 0400);
372
373MODULE_PARM_DESC(hdmimhz, "Force a maximum HDMI pixel clock (in MHz)");
374int nouveau_hdmimhz = 0;
375module_param_named(hdmimhz, nouveau_hdmimhz, int, 0400);
376
377struct nouveau_encoder *
378find_encoder(struct drm_connector *connector, int type)
379{
380 struct nouveau_encoder *nv_encoder;
381 struct drm_encoder *enc;
382
383 drm_connector_for_each_possible_encoder(connector, enc) {
384 nv_encoder = nouveau_encoder(enc);
385
386 if (type == DCB_OUTPUT_ANY ||
387 (nv_encoder->dcb && nv_encoder->dcb->type == type))
388 return nv_encoder;
389 }
390
391 return NULL;
392}
393
394static void
395nouveau_connector_destroy(struct drm_connector *connector)
396{
397 struct nouveau_connector *nv_connector = nouveau_connector(connector);
398 nvif_event_dtor(&nv_connector->irq);
399 nvif_event_dtor(&nv_connector->hpd);
400 kfree(nv_connector->edid);
401 drm_connector_unregister(connector);
402 drm_connector_cleanup(connector);
403 if (nv_connector->aux.transfer)
404 drm_dp_cec_unregister_connector(&nv_connector->aux);
405 nvif_conn_dtor(&nv_connector->conn);
406 kfree(connector);
407}
408
409static struct nouveau_encoder *
410nouveau_connector_ddc_detect(struct drm_connector *connector)
411{
412 struct drm_device *dev = connector->dev;
413 struct pci_dev *pdev = to_pci_dev(dev->dev);
414 struct nouveau_connector *conn = nouveau_connector(connector);
415 struct nouveau_encoder *nv_encoder = NULL, *found = NULL;
416 struct drm_encoder *encoder;
417 int ret;
418 bool switcheroo_ddc = false;
419
420 drm_connector_for_each_possible_encoder(connector, encoder) {
421 nv_encoder = nouveau_encoder(encoder);
422
423 if (nvif_object_constructed(&nv_encoder->outp.object)) {
424 enum nvif_outp_detect_status status;
425
426 if (nv_encoder->dcb->type == DCB_OUTPUT_DP) {
427 ret = nouveau_dp_detect(conn, nv_encoder);
428 if (ret == NOUVEAU_DP_MST)
429 return NULL;
430 if (ret != NOUVEAU_DP_SST)
431 continue;
432
433 return nv_encoder;
434 } else {
435 status = nvif_outp_detect(&nv_encoder->outp);
436 switch (status) {
437 case PRESENT:
438 return nv_encoder;
439 case NOT_PRESENT:
440 continue;
441 case UNKNOWN:
442 break;
443 default:
444 WARN_ON(1);
445 break;
446 }
447 }
448 }
449
450 if (!nv_encoder->i2c)
451 continue;
452
453 if (nv_encoder->dcb->type == DCB_OUTPUT_LVDS) {
454 switcheroo_ddc = !!(vga_switcheroo_handler_flags() &
455 VGA_SWITCHEROO_CAN_SWITCH_DDC);
456 }
457
458 if (switcheroo_ddc)
459 vga_switcheroo_lock_ddc(pdev);
460 if (nvkm_probe_i2c(nv_encoder->i2c, 0x50))
461 found = nv_encoder;
462 if (switcheroo_ddc)
463 vga_switcheroo_unlock_ddc(pdev);
464
465 if (found)
466 break;
467 }
468
469 return found;
470}
471
472static struct nouveau_encoder *
473nouveau_connector_of_detect(struct drm_connector *connector)
474{
475#ifdef __powerpc__
476 struct drm_device *dev = connector->dev;
477 struct nouveau_connector *nv_connector = nouveau_connector(connector);
478 struct nouveau_encoder *nv_encoder;
479 struct pci_dev *pdev = to_pci_dev(dev->dev);
480 struct device_node *cn, *dn = pci_device_to_OF_node(pdev);
481
482 if (!dn ||
483 !((nv_encoder = find_encoder(connector, DCB_OUTPUT_TMDS)) ||
484 (nv_encoder = find_encoder(connector, DCB_OUTPUT_ANALOG))))
485 return NULL;
486
487 for_each_child_of_node(dn, cn) {
488 const char *name = of_get_property(cn, "name", NULL);
489 const void *edid = of_get_property(cn, "EDID", NULL);
490 int idx = name ? name[strlen(name) - 1] - 'A' : 0;
491
492 if (nv_encoder->dcb->i2c_index == idx && edid) {
493 nv_connector->edid =
494 kmemdup(edid, EDID_LENGTH, GFP_KERNEL);
495 of_node_put(cn);
496 return nv_encoder;
497 }
498 }
499#endif
500 return NULL;
501}
502
503static void
504nouveau_connector_set_encoder(struct drm_connector *connector,
505 struct nouveau_encoder *nv_encoder)
506{
507 struct nouveau_connector *nv_connector = nouveau_connector(connector);
508 struct nouveau_drm *drm = nouveau_drm(connector->dev);
509 struct drm_device *dev = connector->dev;
510 struct pci_dev *pdev = to_pci_dev(dev->dev);
511
512 if (nv_connector->detected_encoder == nv_encoder)
513 return;
514 nv_connector->detected_encoder = nv_encoder;
515
516 if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_TESLA) {
517 if (nv_encoder->dcb->type == DCB_OUTPUT_DP)
518 connector->interlace_allowed =
519 nv_encoder->caps.dp_interlace;
520 else
521 connector->interlace_allowed =
522 drm->client.device.info.family < NV_DEVICE_INFO_V0_VOLTA;
523 connector->doublescan_allowed = true;
524 } else
525 if (nv_encoder->dcb->type == DCB_OUTPUT_LVDS ||
526 nv_encoder->dcb->type == DCB_OUTPUT_TMDS) {
527 connector->doublescan_allowed = false;
528 connector->interlace_allowed = false;
529 } else {
530 connector->doublescan_allowed = true;
531 if (drm->client.device.info.family == NV_DEVICE_INFO_V0_KELVIN ||
532 (drm->client.device.info.family == NV_DEVICE_INFO_V0_CELSIUS &&
533 (pdev->device & 0x0ff0) != 0x0100 &&
534 (pdev->device & 0x0ff0) != 0x0150))
535 /* HW is broken */
536 connector->interlace_allowed = false;
537 else
538 connector->interlace_allowed = true;
539 }
540
541 if (nv_connector->type == DCB_CONNECTOR_DVI_I) {
542 drm_object_property_set_value(&connector->base,
543 dev->mode_config.dvi_i_subconnector_property,
544 nv_encoder->dcb->type == DCB_OUTPUT_TMDS ?
545 DRM_MODE_SUBCONNECTOR_DVID :
546 DRM_MODE_SUBCONNECTOR_DVIA);
547 }
548}
549
550static void
551nouveau_connector_set_edid(struct nouveau_connector *nv_connector,
552 struct edid *edid)
553{
554 if (nv_connector->edid != edid) {
555 struct edid *old_edid = nv_connector->edid;
556
557 drm_connector_update_edid_property(&nv_connector->base, edid);
558 kfree(old_edid);
559 nv_connector->edid = edid;
560 }
561}
562
563static enum drm_connector_status
564nouveau_connector_detect(struct drm_connector *connector, bool force)
565{
566 struct drm_device *dev = connector->dev;
567 struct nouveau_drm *drm = nouveau_drm(dev);
568 struct nouveau_connector *nv_connector = nouveau_connector(connector);
569 struct nouveau_encoder *nv_encoder = NULL;
570 struct nouveau_encoder *nv_partner;
571 int type;
572 int ret;
573 enum drm_connector_status conn_status = connector_status_disconnected;
574
575 /* Outputs are only polled while runtime active, so resuming the
576 * device here is unnecessary (and would deadlock upon runtime suspend
577 * because it waits for polling to finish). We do however, want to
578 * prevent the autosuspend timer from elapsing during this operation
579 * if possible.
580 */
581 if (drm_kms_helper_is_poll_worker()) {
582 pm_runtime_get_noresume(dev->dev);
583 } else {
584 ret = pm_runtime_get_sync(dev->dev);
585 if (ret < 0 && ret != -EACCES) {
586 pm_runtime_put_autosuspend(dev->dev);
587 nouveau_connector_set_edid(nv_connector, NULL);
588 return conn_status;
589 }
590 }
591
592 nv_encoder = nouveau_connector_ddc_detect(connector);
593 if (nv_encoder) {
594 struct edid *new_edid = NULL;
595
596 if (nv_encoder->i2c) {
597 if ((vga_switcheroo_handler_flags() & VGA_SWITCHEROO_CAN_SWITCH_DDC) &&
598 nv_connector->type == DCB_CONNECTOR_LVDS)
599 new_edid = drm_get_edid_switcheroo(connector, nv_encoder->i2c);
600 else
601 new_edid = drm_get_edid(connector, nv_encoder->i2c);
602 } else {
603 ret = nvif_outp_edid_get(&nv_encoder->outp, (u8 **)&new_edid);
604 if (ret < 0)
605 return connector_status_disconnected;
606 }
607
608 nouveau_connector_set_edid(nv_connector, new_edid);
609 if (!nv_connector->edid) {
610 NV_ERROR(drm, "DDC responded, but no EDID for %s\n",
611 connector->name);
612 goto detect_analog;
613 }
614
615 /* Override encoder type for DVI-I based on whether EDID
616 * says the display is digital or analog, both use the
617 * same i2c channel so the value returned from ddc_detect
618 * isn't necessarily correct.
619 */
620 nv_partner = NULL;
621 if (nv_encoder->dcb->type == DCB_OUTPUT_TMDS)
622 nv_partner = find_encoder(connector, DCB_OUTPUT_ANALOG);
623 if (nv_encoder->dcb->type == DCB_OUTPUT_ANALOG)
624 nv_partner = find_encoder(connector, DCB_OUTPUT_TMDS);
625
626 if (nv_partner && ((nv_encoder->dcb->type == DCB_OUTPUT_ANALOG &&
627 nv_partner->dcb->type == DCB_OUTPUT_TMDS) ||
628 (nv_encoder->dcb->type == DCB_OUTPUT_TMDS &&
629 nv_partner->dcb->type == DCB_OUTPUT_ANALOG))) {
630 if (nv_connector->edid->input & DRM_EDID_INPUT_DIGITAL)
631 type = DCB_OUTPUT_TMDS;
632 else
633 type = DCB_OUTPUT_ANALOG;
634
635 nv_encoder = find_encoder(connector, type);
636 }
637
638 nouveau_connector_set_encoder(connector, nv_encoder);
639 conn_status = connector_status_connected;
640
641 if (nv_encoder->dcb->type == DCB_OUTPUT_DP)
642 drm_dp_cec_set_edid(&nv_connector->aux, nv_connector->edid);
643
644 goto out;
645 } else {
646 nouveau_connector_set_edid(nv_connector, NULL);
647 }
648
649 nv_encoder = nouveau_connector_of_detect(connector);
650 if (nv_encoder) {
651 nouveau_connector_set_encoder(connector, nv_encoder);
652 conn_status = connector_status_connected;
653 goto out;
654 }
655
656detect_analog:
657 nv_encoder = find_encoder(connector, DCB_OUTPUT_ANALOG);
658 if (!nv_encoder && !nouveau_tv_disable)
659 nv_encoder = find_encoder(connector, DCB_OUTPUT_TV);
660 if (nv_encoder && force) {
661 struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
662 const struct drm_encoder_helper_funcs *helper =
663 encoder->helper_private;
664
665 if (helper->detect(encoder, connector) ==
666 connector_status_connected) {
667 nouveau_connector_set_encoder(connector, nv_encoder);
668 conn_status = connector_status_connected;
669 goto out;
670 }
671 }
672
673 out:
674 if (!nv_connector->edid)
675 drm_dp_cec_unset_edid(&nv_connector->aux);
676
677 pm_runtime_mark_last_busy(dev->dev);
678 pm_runtime_put_autosuspend(dev->dev);
679
680 return conn_status;
681}
682
683static enum drm_connector_status
684nouveau_connector_detect_lvds(struct drm_connector *connector, bool force)
685{
686 struct drm_device *dev = connector->dev;
687 struct nouveau_drm *drm = nouveau_drm(dev);
688 struct nouveau_connector *nv_connector = nouveau_connector(connector);
689 struct nouveau_encoder *nv_encoder = NULL;
690 struct edid *edid = NULL;
691 enum drm_connector_status status = connector_status_disconnected;
692
693 nv_encoder = find_encoder(connector, DCB_OUTPUT_LVDS);
694 if (!nv_encoder)
695 goto out;
696
697 /* Try retrieving EDID via DDC */
698 if (!drm->vbios.fp_no_ddc) {
699 status = nouveau_connector_detect(connector, force);
700 if (status == connector_status_connected) {
701 edid = nv_connector->edid;
702 goto out;
703 }
704 }
705
706 /* On some laptops (Sony, i'm looking at you) there appears to
707 * be no direct way of accessing the panel's EDID. The only
708 * option available to us appears to be to ask ACPI for help..
709 *
710 * It's important this check's before trying straps, one of the
711 * said manufacturer's laptops are configured in such a way
712 * the nouveau decides an entry in the VBIOS FP mode table is
713 * valid - it's not (rh#613284)
714 */
715 if (nv_encoder->dcb->lvdsconf.use_acpi_for_edid) {
716 edid = nouveau_acpi_edid(dev, connector);
717 if (edid) {
718 status = connector_status_connected;
719 goto out;
720 }
721 }
722
723 /* If no EDID found above, and the VBIOS indicates a hardcoded
724 * modeline is avalilable for the panel, set it as the panel's
725 * native mode and exit.
726 */
727 if (nouveau_bios_fp_mode(dev, NULL) && (drm->vbios.fp_no_ddc ||
728 nv_encoder->dcb->lvdsconf.use_straps_for_mode)) {
729 status = connector_status_connected;
730 goto out;
731 }
732
733 /* Still nothing, some VBIOS images have a hardcoded EDID block
734 * stored for the panel stored in them.
735 */
736 if (!drm->vbios.fp_no_ddc) {
737 edid = (struct edid *)nouveau_bios_embedded_edid(dev);
738 if (edid) {
739 edid = kmemdup(edid, EDID_LENGTH, GFP_KERNEL);
740 if (edid)
741 status = connector_status_connected;
742 }
743 }
744
745out:
746#if defined(CONFIG_ACPI_BUTTON) || \
747 (defined(CONFIG_ACPI_BUTTON_MODULE) && defined(MODULE))
748 if (status == connector_status_connected &&
749 !nouveau_ignorelid && !acpi_lid_open())
750 status = connector_status_unknown;
751#endif
752
753 nouveau_connector_set_edid(nv_connector, edid);
754 if (nv_encoder)
755 nouveau_connector_set_encoder(connector, nv_encoder);
756 return status;
757}
758
759static void
760nouveau_connector_force(struct drm_connector *connector)
761{
762 struct nouveau_drm *drm = nouveau_drm(connector->dev);
763 struct nouveau_connector *nv_connector = nouveau_connector(connector);
764 struct nouveau_encoder *nv_encoder;
765 int type;
766
767 if (nv_connector->type == DCB_CONNECTOR_DVI_I) {
768 if (connector->force == DRM_FORCE_ON_DIGITAL)
769 type = DCB_OUTPUT_TMDS;
770 else
771 type = DCB_OUTPUT_ANALOG;
772 } else
773 type = DCB_OUTPUT_ANY;
774
775 nv_encoder = find_encoder(connector, type);
776 if (!nv_encoder) {
777 NV_ERROR(drm, "can't find encoder to force %s on!\n",
778 connector->name);
779 connector->status = connector_status_disconnected;
780 return;
781 }
782
783 nouveau_connector_set_encoder(connector, nv_encoder);
784}
785
786static int
787nouveau_connector_set_property(struct drm_connector *connector,
788 struct drm_property *property, uint64_t value)
789{
790 struct nouveau_connector *nv_connector = nouveau_connector(connector);
791 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
792 struct nouveau_conn_atom *asyc = &nv_connector->properties_state;
793 struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
794 int ret;
795
796 ret = connector->funcs->atomic_set_property(&nv_connector->base,
797 &asyc->state,
798 property, value);
799 if (ret) {
800 if (nv_encoder && nv_encoder->dcb->type == DCB_OUTPUT_TV)
801 return get_slave_funcs(encoder)->set_property(
802 encoder, connector, property, value);
803 return ret;
804 }
805
806 nv_connector->scaling_mode = asyc->scaler.mode;
807 nv_connector->dithering_mode = asyc->dither.mode;
808
809 if (connector->encoder && connector->encoder->crtc) {
810 ret = drm_crtc_helper_set_mode(connector->encoder->crtc,
811 &connector->encoder->crtc->mode,
812 connector->encoder->crtc->x,
813 connector->encoder->crtc->y,
814 NULL);
815 if (!ret)
816 return -EINVAL;
817 }
818
819 return 0;
820}
821
822struct moderec {
823 int hdisplay;
824 int vdisplay;
825};
826
827static struct moderec scaler_modes[] = {
828 { 1920, 1200 },
829 { 1920, 1080 },
830 { 1680, 1050 },
831 { 1600, 1200 },
832 { 1400, 1050 },
833 { 1280, 1024 },
834 { 1280, 960 },
835 { 1152, 864 },
836 { 1024, 768 },
837 { 800, 600 },
838 { 720, 400 },
839 { 640, 480 },
840 { 640, 400 },
841 { 640, 350 },
842 {}
843};
844
845static int
846nouveau_connector_scaler_modes_add(struct drm_connector *connector)
847{
848 struct nouveau_connector *nv_connector = nouveau_connector(connector);
849 struct drm_display_mode *native = nv_connector->native_mode, *m;
850 struct drm_device *dev = connector->dev;
851 struct moderec *mode = &scaler_modes[0];
852 int modes = 0;
853
854 if (!native)
855 return 0;
856
857 while (mode->hdisplay) {
858 if (mode->hdisplay <= native->hdisplay &&
859 mode->vdisplay <= native->vdisplay &&
860 (mode->hdisplay != native->hdisplay ||
861 mode->vdisplay != native->vdisplay)) {
862 m = drm_cvt_mode(dev, mode->hdisplay, mode->vdisplay,
863 drm_mode_vrefresh(native), false,
864 false, false);
865 if (!m)
866 continue;
867
868 drm_mode_probed_add(connector, m);
869 modes++;
870 }
871
872 mode++;
873 }
874
875 return modes;
876}
877
878static void
879nouveau_connector_detect_depth(struct drm_connector *connector)
880{
881 struct nouveau_drm *drm = nouveau_drm(connector->dev);
882 struct nouveau_connector *nv_connector = nouveau_connector(connector);
883 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
884 struct nvbios *bios = &drm->vbios;
885 struct drm_display_mode *mode = nv_connector->native_mode;
886 bool duallink;
887
888 /* if the edid is feeling nice enough to provide this info, use it */
889 if (nv_connector->edid && connector->display_info.bpc)
890 return;
891
892 /* EDID 1.4 is *supposed* to be supported on eDP, but, Apple... */
893 if (nv_connector->type == DCB_CONNECTOR_eDP) {
894 connector->display_info.bpc = 6;
895 return;
896 }
897
898 /* we're out of options unless we're LVDS, default to 8bpc */
899 if (nv_encoder->dcb->type != DCB_OUTPUT_LVDS) {
900 connector->display_info.bpc = 8;
901 return;
902 }
903
904 connector->display_info.bpc = 6;
905
906 /* LVDS: panel straps */
907 if (bios->fp_no_ddc) {
908 if (bios->fp.if_is_24bit)
909 connector->display_info.bpc = 8;
910 return;
911 }
912
913 /* LVDS: DDC panel, need to first determine the number of links to
914 * know which if_is_24bit flag to check...
915 */
916 if (nv_connector->edid &&
917 nv_connector->type == DCB_CONNECTOR_LVDS_SPWG)
918 duallink = ((u8 *)nv_connector->edid)[121] == 2;
919 else
920 duallink = mode->clock >= bios->fp.duallink_transition_clk;
921
922 if ((!duallink && (bios->fp.strapless_is_24bit & 1)) ||
923 ( duallink && (bios->fp.strapless_is_24bit & 2)))
924 connector->display_info.bpc = 8;
925}
926
927static int
928nouveau_connector_late_register(struct drm_connector *connector)
929{
930 int ret;
931
932 ret = nouveau_backlight_init(connector);
933 if (ret)
934 return ret;
935
936 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP ||
937 connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) {
938 ret = drm_dp_aux_register(&nouveau_connector(connector)->aux);
939 if (ret)
940 goto backlight_fini;
941 }
942
943 return 0;
944backlight_fini:
945 nouveau_backlight_fini(connector);
946 return ret;
947}
948
949static void
950nouveau_connector_early_unregister(struct drm_connector *connector)
951{
952 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP ||
953 connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort)
954 drm_dp_aux_unregister(&nouveau_connector(connector)->aux);
955
956 nouveau_backlight_fini(connector);
957}
958
959static int
960nouveau_connector_get_modes(struct drm_connector *connector)
961{
962 struct drm_device *dev = connector->dev;
963 struct nouveau_drm *drm = nouveau_drm(dev);
964 struct nouveau_connector *nv_connector = nouveau_connector(connector);
965 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
966 struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
967 int ret = 0;
968
969 /* destroy the native mode, the attached monitor could have changed.
970 */
971 if (nv_connector->native_mode) {
972 drm_mode_destroy(dev, nv_connector->native_mode);
973 nv_connector->native_mode = NULL;
974 }
975
976 if (nv_connector->edid)
977 ret = drm_add_edid_modes(connector, nv_connector->edid);
978 else
979 if (nv_encoder->dcb->type == DCB_OUTPUT_LVDS &&
980 (nv_encoder->dcb->lvdsconf.use_straps_for_mode ||
981 drm->vbios.fp_no_ddc) && nouveau_bios_fp_mode(dev, NULL)) {
982 struct drm_display_mode mode;
983
984 nouveau_bios_fp_mode(dev, &mode);
985 nv_connector->native_mode = drm_mode_duplicate(dev, &mode);
986 }
987
988 /* Determine display colour depth for everything except LVDS now,
989 * DP requires this before mode_valid() is called.
990 */
991 if (connector->connector_type != DRM_MODE_CONNECTOR_LVDS)
992 nouveau_connector_detect_depth(connector);
993
994 /* Find the native mode if this is a digital panel, if we didn't
995 * find any modes through DDC previously add the native mode to
996 * the list of modes.
997 */
998 if (!nv_connector->native_mode)
999 nv_connector->native_mode = nouveau_conn_native_mode(connector);
1000 if (ret == 0 && nv_connector->native_mode) {
1001 struct drm_display_mode *mode;
1002
1003 mode = drm_mode_duplicate(dev, nv_connector->native_mode);
1004 drm_mode_probed_add(connector, mode);
1005 ret = 1;
1006 }
1007
1008 /* Determine LVDS colour depth, must happen after determining
1009 * "native" mode as some VBIOS tables require us to use the
1010 * pixel clock as part of the lookup...
1011 */
1012 if (connector->connector_type == DRM_MODE_CONNECTOR_LVDS && nv_connector->native_mode)
1013 nouveau_connector_detect_depth(connector);
1014
1015 if (nv_encoder->dcb->type == DCB_OUTPUT_TV)
1016 ret = get_slave_funcs(encoder)->get_modes(encoder, connector);
1017
1018 if (nv_connector->type == DCB_CONNECTOR_LVDS ||
1019 nv_connector->type == DCB_CONNECTOR_LVDS_SPWG ||
1020 nv_connector->type == DCB_CONNECTOR_eDP)
1021 ret += nouveau_connector_scaler_modes_add(connector);
1022
1023 return ret;
1024}
1025
1026static unsigned
1027get_tmds_link_bandwidth(struct drm_connector *connector)
1028{
1029 struct nouveau_connector *nv_connector = nouveau_connector(connector);
1030 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
1031 struct nouveau_drm *drm = nouveau_drm(connector->dev);
1032 struct dcb_output *dcb = nv_connector->detected_encoder->dcb;
1033 struct drm_display_info *info = NULL;
1034 unsigned duallink_scale =
1035 nouveau_duallink && nv_encoder->dcb->duallink_possible ? 2 : 1;
1036
1037 if (drm_detect_hdmi_monitor(nv_connector->edid)) {
1038 info = &nv_connector->base.display_info;
1039 duallink_scale = 1;
1040 }
1041
1042 if (info) {
1043 if (nouveau_hdmimhz > 0)
1044 return nouveau_hdmimhz * 1000;
1045 /* Note: these limits are conservative, some Fermi's
1046 * can do 297 MHz. Unclear how this can be determined.
1047 */
1048 if (drm->client.device.info.chipset >= 0x120) {
1049 const int max_tmds_clock =
1050 info->hdmi.scdc.scrambling.supported ?
1051 594000 : 340000;
1052 return info->max_tmds_clock ?
1053 min(info->max_tmds_clock, max_tmds_clock) :
1054 max_tmds_clock;
1055 }
1056 if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_KEPLER)
1057 return 297000;
1058 if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_FERMI)
1059 return 225000;
1060 }
1061
1062 if (dcb->location != DCB_LOC_ON_CHIP ||
1063 drm->client.device.info.chipset >= 0x46)
1064 return 165000 * duallink_scale;
1065 else if (drm->client.device.info.chipset >= 0x40)
1066 return 155000 * duallink_scale;
1067 else if (drm->client.device.info.chipset >= 0x18)
1068 return 135000 * duallink_scale;
1069 else
1070 return 112000 * duallink_scale;
1071}
1072
1073static enum drm_mode_status
1074nouveau_connector_mode_valid(struct drm_connector *connector,
1075 struct drm_display_mode *mode)
1076{
1077 struct nouveau_connector *nv_connector = nouveau_connector(connector);
1078 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
1079 struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
1080 unsigned int min_clock = 25000, max_clock = min_clock, clock = mode->clock;
1081
1082 switch (nv_encoder->dcb->type) {
1083 case DCB_OUTPUT_LVDS:
1084 if (nv_connector->native_mode &&
1085 (mode->hdisplay > nv_connector->native_mode->hdisplay ||
1086 mode->vdisplay > nv_connector->native_mode->vdisplay))
1087 return MODE_PANEL;
1088
1089 min_clock = 0;
1090 max_clock = 400000;
1091 break;
1092 case DCB_OUTPUT_TMDS:
1093 max_clock = get_tmds_link_bandwidth(connector);
1094 break;
1095 case DCB_OUTPUT_ANALOG:
1096 max_clock = nv_encoder->dcb->crtconf.maxfreq;
1097 if (!max_clock)
1098 max_clock = 350000;
1099 break;
1100 case DCB_OUTPUT_TV:
1101 return get_slave_funcs(encoder)->mode_valid(encoder, mode);
1102 case DCB_OUTPUT_DP:
1103 return nv50_dp_mode_valid(nv_encoder, mode, NULL);
1104 default:
1105 BUG();
1106 return MODE_BAD;
1107 }
1108
1109 if ((mode->flags & DRM_MODE_FLAG_3D_MASK) == DRM_MODE_FLAG_3D_FRAME_PACKING)
1110 clock *= 2;
1111
1112 if (clock < min_clock)
1113 return MODE_CLOCK_LOW;
1114 if (clock > max_clock)
1115 return MODE_CLOCK_HIGH;
1116
1117 return MODE_OK;
1118}
1119
1120static struct drm_encoder *
1121nouveau_connector_best_encoder(struct drm_connector *connector)
1122{
1123 struct nouveau_connector *nv_connector = nouveau_connector(connector);
1124
1125 if (nv_connector->detected_encoder)
1126 return to_drm_encoder(nv_connector->detected_encoder);
1127
1128 return NULL;
1129}
1130
1131static int
1132nouveau_connector_atomic_check(struct drm_connector *connector, struct drm_atomic_state *state)
1133{
1134 struct nouveau_connector *nv_conn = nouveau_connector(connector);
1135 struct drm_connector_state *conn_state =
1136 drm_atomic_get_new_connector_state(state, connector);
1137
1138 if (!nv_conn->dp_encoder || !nv_conn->dp_encoder->dp.mstm)
1139 return 0;
1140
1141 return drm_dp_mst_root_conn_atomic_check(conn_state, &nv_conn->dp_encoder->dp.mstm->mgr);
1142}
1143
1144static const struct drm_connector_helper_funcs
1145nouveau_connector_helper_funcs = {
1146 .get_modes = nouveau_connector_get_modes,
1147 .mode_valid = nouveau_connector_mode_valid,
1148 .best_encoder = nouveau_connector_best_encoder,
1149 .atomic_check = nouveau_connector_atomic_check,
1150};
1151
1152static const struct drm_connector_funcs
1153nouveau_connector_funcs = {
1154 .dpms = drm_helper_connector_dpms,
1155 .reset = nouveau_conn_reset,
1156 .detect = nouveau_connector_detect,
1157 .force = nouveau_connector_force,
1158 .fill_modes = drm_helper_probe_single_connector_modes,
1159 .set_property = nouveau_connector_set_property,
1160 .destroy = nouveau_connector_destroy,
1161 .atomic_duplicate_state = nouveau_conn_atomic_duplicate_state,
1162 .atomic_destroy_state = nouveau_conn_atomic_destroy_state,
1163 .atomic_set_property = nouveau_conn_atomic_set_property,
1164 .atomic_get_property = nouveau_conn_atomic_get_property,
1165 .late_register = nouveau_connector_late_register,
1166 .early_unregister = nouveau_connector_early_unregister,
1167};
1168
1169static const struct drm_connector_funcs
1170nouveau_connector_funcs_lvds = {
1171 .dpms = drm_helper_connector_dpms,
1172 .reset = nouveau_conn_reset,
1173 .detect = nouveau_connector_detect_lvds,
1174 .force = nouveau_connector_force,
1175 .fill_modes = drm_helper_probe_single_connector_modes,
1176 .set_property = nouveau_connector_set_property,
1177 .destroy = nouveau_connector_destroy,
1178 .atomic_duplicate_state = nouveau_conn_atomic_duplicate_state,
1179 .atomic_destroy_state = nouveau_conn_atomic_destroy_state,
1180 .atomic_set_property = nouveau_conn_atomic_set_property,
1181 .atomic_get_property = nouveau_conn_atomic_get_property,
1182 .late_register = nouveau_connector_late_register,
1183 .early_unregister = nouveau_connector_early_unregister,
1184};
1185
1186void
1187nouveau_connector_hpd(struct nouveau_connector *nv_connector, u64 bits)
1188{
1189 struct nouveau_drm *drm = nouveau_drm(nv_connector->base.dev);
1190 u32 mask = drm_connector_mask(&nv_connector->base);
1191 unsigned long flags;
1192
1193 spin_lock_irqsave(&drm->hpd_lock, flags);
1194 if (!(drm->hpd_pending & mask)) {
1195 nv_connector->hpd_pending |= bits;
1196 drm->hpd_pending |= mask;
1197 schedule_work(&drm->hpd_work);
1198 }
1199 spin_unlock_irqrestore(&drm->hpd_lock, flags);
1200}
1201
1202static int
1203nouveau_connector_irq(struct nvif_event *event, void *repv, u32 repc)
1204{
1205 struct nouveau_connector *nv_connector = container_of(event, typeof(*nv_connector), irq);
1206
1207 schedule_work(&nv_connector->irq_work);
1208 return NVIF_EVENT_KEEP;
1209}
1210
1211static int
1212nouveau_connector_hotplug(struct nvif_event *event, void *repv, u32 repc)
1213{
1214 struct nouveau_connector *nv_connector = container_of(event, typeof(*nv_connector), hpd);
1215 struct nvif_conn_event_v0 *rep = repv;
1216
1217 nouveau_connector_hpd(nv_connector, rep->types);
1218 return NVIF_EVENT_KEEP;
1219}
1220
1221static ssize_t
1222nouveau_connector_aux_xfer(struct drm_dp_aux *obj, struct drm_dp_aux_msg *msg)
1223{
1224 struct nouveau_connector *nv_connector =
1225 container_of(obj, typeof(*nv_connector), aux);
1226 struct nouveau_encoder *nv_encoder;
1227 u8 size = msg->size;
1228 int ret;
1229
1230 nv_encoder = find_encoder(&nv_connector->base, DCB_OUTPUT_DP);
1231 if (!nv_encoder)
1232 return -ENODEV;
1233 if (WARN_ON(msg->size > 16))
1234 return -E2BIG;
1235
1236 ret = nvif_outp_dp_aux_xfer(&nv_encoder->outp,
1237 msg->request, &size, msg->address, msg->buffer);
1238 if (ret >= 0) {
1239 msg->reply = ret;
1240 return size;
1241 }
1242
1243 return ret;
1244}
1245
1246static int
1247drm_conntype_from_dcb(enum dcb_connector_type dcb)
1248{
1249 switch (dcb) {
1250 case DCB_CONNECTOR_VGA : return DRM_MODE_CONNECTOR_VGA;
1251 case DCB_CONNECTOR_TV_0 :
1252 case DCB_CONNECTOR_TV_1 :
1253 case DCB_CONNECTOR_TV_3 : return DRM_MODE_CONNECTOR_TV;
1254 case DCB_CONNECTOR_DMS59_0 :
1255 case DCB_CONNECTOR_DMS59_1 :
1256 case DCB_CONNECTOR_DVI_I : return DRM_MODE_CONNECTOR_DVII;
1257 case DCB_CONNECTOR_DVI_D : return DRM_MODE_CONNECTOR_DVID;
1258 case DCB_CONNECTOR_LVDS :
1259 case DCB_CONNECTOR_LVDS_SPWG: return DRM_MODE_CONNECTOR_LVDS;
1260 case DCB_CONNECTOR_DMS59_DP0:
1261 case DCB_CONNECTOR_DMS59_DP1:
1262 case DCB_CONNECTOR_DP :
1263 case DCB_CONNECTOR_mDP :
1264 case DCB_CONNECTOR_USB_C : return DRM_MODE_CONNECTOR_DisplayPort;
1265 case DCB_CONNECTOR_eDP : return DRM_MODE_CONNECTOR_eDP;
1266 case DCB_CONNECTOR_HDMI_0 :
1267 case DCB_CONNECTOR_HDMI_1 :
1268 case DCB_CONNECTOR_HDMI_C : return DRM_MODE_CONNECTOR_HDMIA;
1269 case DCB_CONNECTOR_WFD : return DRM_MODE_CONNECTOR_VIRTUAL;
1270 default:
1271 break;
1272 }
1273
1274 return DRM_MODE_CONNECTOR_Unknown;
1275}
1276
1277struct drm_connector *
1278nouveau_connector_create(struct drm_device *dev, int index)
1279{
1280 struct nouveau_drm *drm = nouveau_drm(dev);
1281 struct nouveau_display *disp = nouveau_display(dev);
1282 struct nouveau_connector *nv_connector = NULL;
1283 struct drm_connector *connector;
1284 struct drm_connector_list_iter conn_iter;
1285 int type, ret = 0;
1286 bool dummy;
1287
1288 drm_connector_list_iter_begin(dev, &conn_iter);
1289 nouveau_for_each_non_mst_connector_iter(connector, &conn_iter) {
1290 nv_connector = nouveau_connector(connector);
1291 if (nv_connector->index == index) {
1292 drm_connector_list_iter_end(&conn_iter);
1293 return connector;
1294 }
1295 }
1296 drm_connector_list_iter_end(&conn_iter);
1297
1298 nv_connector = kzalloc(sizeof(*nv_connector), GFP_KERNEL);
1299 if (!nv_connector)
1300 return ERR_PTR(-ENOMEM);
1301
1302 connector = &nv_connector->base;
1303 nv_connector->index = index;
1304 INIT_WORK(&nv_connector->irq_work, nouveau_dp_irq);
1305
1306 if (disp->disp.conn_mask & BIT(nv_connector->index)) {
1307 ret = nvif_conn_ctor(&disp->disp, nv_connector->base.name, nv_connector->index,
1308 &nv_connector->conn);
1309 if (ret) {
1310 kfree(nv_connector);
1311 return ERR_PTR(ret);
1312 }
1313
1314 switch (nv_connector->conn.info.type) {
1315 case NVIF_CONN_VGA : type = DCB_CONNECTOR_VGA; break;
1316 case NVIF_CONN_DVI_I : type = DCB_CONNECTOR_DVI_I; break;
1317 case NVIF_CONN_DVI_D : type = DCB_CONNECTOR_DVI_D; break;
1318 case NVIF_CONN_LVDS : type = DCB_CONNECTOR_LVDS; break;
1319 case NVIF_CONN_LVDS_SPWG: type = DCB_CONNECTOR_LVDS_SPWG; break;
1320 case NVIF_CONN_DP : type = DCB_CONNECTOR_DP; break;
1321 case NVIF_CONN_EDP : type = DCB_CONNECTOR_eDP; break;
1322 case NVIF_CONN_HDMI : type = DCB_CONNECTOR_HDMI_0; break;
1323 default:
1324 WARN_ON(1);
1325 return NULL;
1326 }
1327
1328 nv_connector->type = type;
1329 } else {
1330 u8 *dcb = olddcb_conn(dev, nv_connector->index);
1331
1332 if (dcb)
1333 nv_connector->type = dcb[0];
1334 else
1335 nv_connector->type = DCB_CONNECTOR_NONE;
1336
1337 /* attempt to parse vbios connector type and hotplug gpio */
1338 if (nv_connector->type != DCB_CONNECTOR_NONE) {
1339 if (drm_conntype_from_dcb(nv_connector->type) ==
1340 DRM_MODE_CONNECTOR_Unknown) {
1341 NV_WARN(drm, "unknown connector type %02x\n",
1342 nv_connector->type);
1343 nv_connector->type = DCB_CONNECTOR_NONE;
1344 }
1345 }
1346
1347 /* no vbios data, or an unknown dcb connector type - attempt to
1348 * figure out something suitable ourselves
1349 */
1350 if (nv_connector->type == DCB_CONNECTOR_NONE &&
1351 !WARN_ON(drm->client.device.info.family >= NV_DEVICE_INFO_V0_TESLA)) {
1352 struct dcb_table *dcbt = &drm->vbios.dcb;
1353 u32 encoders = 0;
1354 int i;
1355
1356 for (i = 0; i < dcbt->entries; i++) {
1357 if (dcbt->entry[i].connector == nv_connector->index)
1358 encoders |= (1 << dcbt->entry[i].type);
1359 }
1360
1361 if (encoders & (1 << DCB_OUTPUT_TMDS)) {
1362 if (encoders & (1 << DCB_OUTPUT_ANALOG))
1363 nv_connector->type = DCB_CONNECTOR_DVI_I;
1364 else
1365 nv_connector->type = DCB_CONNECTOR_DVI_D;
1366 } else
1367 if (encoders & (1 << DCB_OUTPUT_ANALOG)) {
1368 nv_connector->type = DCB_CONNECTOR_VGA;
1369 } else
1370 if (encoders & (1 << DCB_OUTPUT_LVDS)) {
1371 nv_connector->type = DCB_CONNECTOR_LVDS;
1372 } else
1373 if (encoders & (1 << DCB_OUTPUT_TV)) {
1374 nv_connector->type = DCB_CONNECTOR_TV_0;
1375 }
1376 }
1377 }
1378
1379 type = drm_conntype_from_dcb(nv_connector->type);
1380 if (type == DRM_MODE_CONNECTOR_LVDS)
1381 drm_connector_init(dev, connector, &nouveau_connector_funcs_lvds, type);
1382 else
1383 drm_connector_init(dev, connector, &nouveau_connector_funcs, type);
1384
1385 switch (type) {
1386 case DRM_MODE_CONNECTOR_LVDS:
1387 ret = nouveau_bios_parse_lvds_table(dev, 0, &dummy, &dummy);
1388 if (ret) {
1389 NV_ERROR(drm, "Error parsing LVDS table, disabling\n");
1390 kfree(nv_connector);
1391 return ERR_PTR(ret);
1392 }
1393
1394 break;
1395 case DRM_MODE_CONNECTOR_DisplayPort:
1396 case DRM_MODE_CONNECTOR_eDP:
1397 nv_connector->aux.dev = connector->kdev;
1398 nv_connector->aux.drm_dev = dev;
1399 nv_connector->aux.transfer = nouveau_connector_aux_xfer;
1400 nv_connector->aux.name = connector->name;
1401 drm_dp_aux_init(&nv_connector->aux);
1402 break;
1403 default:
1404 break;
1405 }
1406
1407 /* HDMI 3D support */
1408 if ((disp->disp.object.oclass >= G82_DISP)
1409 && ((type == DRM_MODE_CONNECTOR_DisplayPort)
1410 || (type == DRM_MODE_CONNECTOR_eDP)
1411 || (type == DRM_MODE_CONNECTOR_HDMIA)))
1412 connector->stereo_allowed = true;
1413
1414 /* defaults, will get overridden in detect() */
1415 connector->interlace_allowed = false;
1416 connector->doublescan_allowed = false;
1417
1418 drm_connector_helper_add(connector, &nouveau_connector_helper_funcs);
1419 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1420
1421 if (nvif_object_constructed(&nv_connector->conn.object)) {
1422 ret = nvif_conn_event_ctor(&nv_connector->conn, "kmsHotplug",
1423 nouveau_connector_hotplug,
1424 NVIF_CONN_EVENT_V0_PLUG | NVIF_CONN_EVENT_V0_UNPLUG,
1425 &nv_connector->hpd);
1426 if (ret == 0)
1427 connector->polled = DRM_CONNECTOR_POLL_HPD;
1428
1429 if (nv_connector->aux.transfer) {
1430 ret = nvif_conn_event_ctor(&nv_connector->conn, "kmsDpIrq",
1431 nouveau_connector_irq, NVIF_CONN_EVENT_V0_IRQ,
1432 &nv_connector->irq);
1433 if (ret) {
1434 nvif_event_dtor(&nv_connector->hpd);
1435 nvif_conn_dtor(&nv_connector->conn);
1436 goto drm_conn_err;
1437 }
1438 }
1439 }
1440
1441 connector->funcs->reset(connector);
1442 nouveau_conn_attach_properties(connector);
1443
1444 /* Default scaling mode */
1445 switch (nv_connector->type) {
1446 case DCB_CONNECTOR_LVDS:
1447 case DCB_CONNECTOR_LVDS_SPWG:
1448 case DCB_CONNECTOR_eDP:
1449 /* see note in nouveau_connector_set_property() */
1450 if (disp->disp.object.oclass < NV50_DISP) {
1451 nv_connector->scaling_mode = DRM_MODE_SCALE_FULLSCREEN;
1452 break;
1453 }
1454 nv_connector->scaling_mode = DRM_MODE_SCALE_NONE;
1455 break;
1456 default:
1457 nv_connector->scaling_mode = DRM_MODE_SCALE_NONE;
1458 break;
1459 }
1460
1461 /* dithering properties */
1462 switch (nv_connector->type) {
1463 case DCB_CONNECTOR_TV_0:
1464 case DCB_CONNECTOR_TV_1:
1465 case DCB_CONNECTOR_TV_3:
1466 case DCB_CONNECTOR_VGA:
1467 break;
1468 default:
1469 nv_connector->dithering_mode = DITHERING_MODE_AUTO;
1470 break;
1471 }
1472
1473 switch (type) {
1474 case DRM_MODE_CONNECTOR_DisplayPort:
1475 nv_connector->dp_encoder = find_encoder(&nv_connector->base, DCB_OUTPUT_DP);
1476 fallthrough;
1477 case DRM_MODE_CONNECTOR_eDP:
1478 drm_dp_cec_register_connector(&nv_connector->aux, connector);
1479 break;
1480 }
1481
1482 drm_connector_register(connector);
1483 return connector;
1484
1485drm_conn_err:
1486 drm_connector_cleanup(connector);
1487 kfree(nv_connector);
1488 return ERR_PTR(ret);
1489}