Loading...
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/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}