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UAPI: (Scripted) Remove redundant DRM UAPI header #inclusions from drivers/gpu/.
[linux-2.6-block.git] / drivers / gpu / drm / nouveau / nouveau_connector.c
CommitLineData
6ee73861
BS		 1/*
2 * Copyright (C) 2008 Maarten Maathuis.
3 * All Rights Reserved.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining
6 * a copy of this software and associated documentation files (the
7 * "Software"), to deal in the Software without restriction, including
8 * without limitation the rights to use, copy, modify, merge, publish,
9 * distribute, sublicense, and/or sell copies of the Software, and to
10 * permit persons to whom the Software is furnished to do so, subject to
11 * the following conditions:
12 *
13 * The above copyright notice and this permission notice (including the
14 * next paragraph) shall be included in all copies or substantial
15 * portions of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
20 * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
21 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
22 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
23 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24 *
25 */
26
a1470890
BS		 27#include <acpi/button.h>
28
6ee73861
BS		 29#include "drmP.h"
30#include "drm_edid.h"
31#include "drm_crtc_helper.h"
a1470890 32
6ee73861
BS		 33#include "nouveau_reg.h"
34#include "nouveau_drv.h"
35#include "nouveau_encoder.h"
36#include "nouveau_crtc.h"
37#include "nouveau_connector.h"
a0b25635 38#include "nouveau_gpio.h"
6ee73861
BS		 39#include "nouveau_hw.h"
40
fce2bad0
BS		 41static void nouveau_connector_hotplug(void *, int);
42
10b461e4 43struct nouveau_encoder *
e19b20bb 44find_encoder(struct drm_connector *connector, int type)
6ee73861
BS		 45{
46 struct drm_device *dev = connector->dev;
47 struct nouveau_encoder *nv_encoder;
48 struct drm_mode_object *obj;
49 int i, id;
50
51 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
52 id = connector->encoder_ids[i];
53 if (!id)
54 break;
55
56 obj = drm_mode_object_find(dev, id, DRM_MODE_OBJECT_ENCODER);
57 if (!obj)
58 continue;
59 nv_encoder = nouveau_encoder(obj_to_encoder(obj));
60
61 if (type == OUTPUT_ANY || nv_encoder->dcb->type == type)
62 return nv_encoder;
63 }
64
65 return NULL;
66}
67
68struct nouveau_connector *
69nouveau_encoder_connector_get(struct nouveau_encoder *encoder)
70{
71 struct drm_device *dev = to_drm_encoder(encoder)->dev;
72 struct drm_connector *drm_connector;
73
74 list_for_each_entry(drm_connector, &dev->mode_config.connector_list, head) {
75 if (drm_connector->encoder == to_drm_encoder(encoder))
76 return nouveau_connector(drm_connector);
77 }
78
79 return NULL;
80}
81
6ee73861 82static void
fce2bad0 83nouveau_connector_destroy(struct drm_connector *connector)
6ee73861 84{
fce2bad0
BS		 85 struct nouveau_connector *nv_connector = nouveau_connector(connector);
86 struct drm_nouveau_private *dev_priv;
dd19e44b 87 struct drm_device *dev;
6ee73861 88
c8ebe275 89 if (!nv_connector)
6ee73861
BS		 90 return;
91
dd19e44b 92 dev = nv_connector->base.dev;
fce2bad0 93 dev_priv = dev->dev_private;
dd19e44b
MS		 94 NV_DEBUG_KMS(dev, "\n");
95
a0b25635
BS		 96 if (nv_connector->hpd != DCB_GPIO_UNUSED) {
97 nouveau_gpio_isr_del(dev, 0, nv_connector->hpd, 0xff,
98 nouveau_connector_hotplug, connector);
fce2bad0
BS		 99 }
100
c8ebe275 101 kfree(nv_connector->edid);
fce2bad0
BS		 102 drm_sysfs_connector_remove(connector);
103 drm_connector_cleanup(connector);
104 kfree(connector);
6ee73861
BS		 105}
106
6ee73861
BS		 107static struct nouveau_i2c_chan *
108nouveau_connector_ddc_detect(struct drm_connector *connector,
109 struct nouveau_encoder **pnv_encoder)
110{
111 struct drm_device *dev = connector->dev;
03cd06ca 112 int i;
6ee73861 113
6ee73861 114 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
4ca2b712 115 struct nouveau_i2c_chan *i2c = NULL;
6ee73861
BS		 116 struct nouveau_encoder *nv_encoder;
117 struct drm_mode_object *obj;
118 int id;
119
120 id = connector->encoder_ids[i];
121 if (!id)
122 break;
123
124 obj = drm_mode_object_find(dev, id, DRM_MODE_OBJECT_ENCODER);
125 if (!obj)
126 continue;
127 nv_encoder = nouveau_encoder(obj_to_encoder(obj));
4ca2b712
FJ		 128
129 if (nv_encoder->dcb->i2c_index < 0xf)
130 i2c = nouveau_i2c_find(dev, nv_encoder->dcb->i2c_index);
6ee73861 131
03cd06ca 132 if (i2c && nouveau_probe_i2c_addr(i2c, 0x50)) {
6ee73861
BS		 133 *pnv_encoder = nv_encoder;
134 return i2c;
135 }
136 }
137
138 return NULL;
139}
140
c16c5707
FJ		 141static struct nouveau_encoder *
142nouveau_connector_of_detect(struct drm_connector *connector)
143{
144#ifdef __powerpc__
145 struct drm_device *dev = connector->dev;
146 struct nouveau_connector *nv_connector = nouveau_connector(connector);
147 struct nouveau_encoder *nv_encoder;
148 struct device_node *cn, *dn = pci_device_to_OF_node(dev->pdev);
149
150 if (!dn ||
e19b20bb
BS		 151 !((nv_encoder = find_encoder(connector, OUTPUT_TMDS)) ||
152 (nv_encoder = find_encoder(connector, OUTPUT_ANALOG))))
c16c5707
FJ		 153 return NULL;
154
155 for_each_child_of_node(dn, cn) {
156 const char *name = of_get_property(cn, "name", NULL);
157 const void *edid = of_get_property(cn, "EDID", NULL);
158 int idx = name ? name[strlen(name) - 1] - 'A' : 0;
159
160 if (nv_encoder->dcb->i2c_index == idx && edid) {
161 nv_connector->edid =
162 kmemdup(edid, EDID_LENGTH, GFP_KERNEL);
163 of_node_put(cn);
164 return nv_encoder;
165 }
166 }
167#endif
168 return NULL;
169}
170
6ee73861
BS		 171static void
172nouveau_connector_set_encoder(struct drm_connector *connector,
173 struct nouveau_encoder *nv_encoder)
174{
175 struct nouveau_connector *nv_connector = nouveau_connector(connector);
176 struct drm_nouveau_private *dev_priv = connector->dev->dev_private;
177 struct drm_device *dev = connector->dev;
178
179 if (nv_connector->detected_encoder == nv_encoder)
180 return;
181 nv_connector->detected_encoder = nv_encoder;
182
c8334423
BS		 183 if (dev_priv->card_type >= NV_50) {
184 connector->interlace_allowed = true;
185 connector->doublescan_allowed = true;
186 } else
6ee73861
BS		 187 if (nv_encoder->dcb->type == OUTPUT_LVDS ||
188 nv_encoder->dcb->type == OUTPUT_TMDS) {
189 connector->doublescan_allowed = false;
190 connector->interlace_allowed = false;
191 } else {
192 connector->doublescan_allowed = true;
193 if (dev_priv->card_type == NV_20 ||
194 (dev_priv->card_type == NV_10 &&
195 (dev->pci_device & 0x0ff0) != 0x0100 &&
196 (dev->pci_device & 0x0ff0) != 0x0150))
197 /* HW is broken */
198 connector->interlace_allowed = false;
199 else
200 connector->interlace_allowed = true;
201 }
202
befb51e9 203 if (nv_connector->type == DCB_CONNECTOR_DVI_I) {
6ee73861
BS		 204 drm_connector_property_set_value(connector,
205 dev->mode_config.dvi_i_subconnector_property,
206 nv_encoder->dcb->type == OUTPUT_TMDS ?
207 DRM_MODE_SUBCONNECTOR_DVID :
208 DRM_MODE_SUBCONNECTOR_DVIA);
209 }
210}
211
212static enum drm_connector_status
930a9e28 213nouveau_connector_detect(struct drm_connector *connector, bool force)
6ee73861
BS		 214{
215 struct drm_device *dev = connector->dev;
216 struct nouveau_connector *nv_connector = nouveau_connector(connector);
217 struct nouveau_encoder *nv_encoder = NULL;
e19b20bb 218 struct nouveau_encoder *nv_partner;
6ee73861 219 struct nouveau_i2c_chan *i2c;
03cd06ca 220 int type;
6ee73861 221
b8780e2a
FJ		 222 /* Cleanup the previous EDID block. */
223 if (nv_connector->edid) {
224 drm_mode_connector_update_edid_property(connector, NULL);
225 kfree(nv_connector->edid);
226 nv_connector->edid = NULL;
227 }
c8ebe275 228
6ee73861
BS		 229 i2c = nouveau_connector_ddc_detect(connector, &nv_encoder);
230 if (i2c) {
6ee73861 231 nv_connector->edid = drm_get_edid(connector, &i2c->adapter);
6ee73861
BS		 232 drm_mode_connector_update_edid_property(connector,
233 nv_connector->edid);
234 if (!nv_connector->edid) {
235 NV_ERROR(dev, "DDC responded, but no EDID for %s\n",
236 drm_get_connector_name(connector));
0ed3165e 237 goto detect_analog;
6ee73861
BS		 238 }
239
240 if (nv_encoder->dcb->type == OUTPUT_DP &&
241 !nouveau_dp_detect(to_drm_encoder(nv_encoder))) {
242 NV_ERROR(dev, "Detected %s, but failed init\n",
243 drm_get_connector_name(connector));
244 return connector_status_disconnected;
245 }
246
247 /* Override encoder type for DVI-I based on whether EDID
248 * says the display is digital or analog, both use the
249 * same i2c channel so the value returned from ddc_detect
250 * isn't necessarily correct.
251 */
e19b20bb
BS		 252 nv_partner = NULL;
253 if (nv_encoder->dcb->type == OUTPUT_TMDS)
254 nv_partner = find_encoder(connector, OUTPUT_ANALOG);
255 if (nv_encoder->dcb->type == OUTPUT_ANALOG)
256 nv_partner = find_encoder(connector, OUTPUT_TMDS);
257
258 if (nv_partner && ((nv_encoder->dcb->type == OUTPUT_ANALOG &&
259 nv_partner->dcb->type == OUTPUT_TMDS) ||
260 (nv_encoder->dcb->type == OUTPUT_TMDS &&
261 nv_partner->dcb->type == OUTPUT_ANALOG))) {
6ee73861
BS		 262 if (nv_connector->edid->input & DRM_EDID_INPUT_DIGITAL)
263 type = OUTPUT_TMDS;
264 else
265 type = OUTPUT_ANALOG;
266
e19b20bb 267 nv_encoder = find_encoder(connector, type);
6ee73861
BS		 268 }
269
270 nouveau_connector_set_encoder(connector, nv_encoder);
271 return connector_status_connected;
272 }
273
c16c5707
FJ		 274 nv_encoder = nouveau_connector_of_detect(connector);
275 if (nv_encoder) {
276 nouveau_connector_set_encoder(connector, nv_encoder);
277 return connector_status_connected;
278 }
279
0ed3165e 280detect_analog:
e19b20bb 281 nv_encoder = find_encoder(connector, OUTPUT_ANALOG);
f4053509 282 if (!nv_encoder && !nouveau_tv_disable)
e19b20bb 283 nv_encoder = find_encoder(connector, OUTPUT_TV);
84b8081c 284 if (nv_encoder && force) {
6ee73861
BS		 285 struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
286 struct drm_encoder_helper_funcs *helper =
287 encoder->helper_private;
288
289 if (helper->detect(encoder, connector) ==
290 connector_status_connected) {
291 nouveau_connector_set_encoder(connector, nv_encoder);
292 return connector_status_connected;
293 }
294
295 }
296
297 return connector_status_disconnected;
298}
299
d17f395c 300static enum drm_connector_status
930a9e28 301nouveau_connector_detect_lvds(struct drm_connector *connector, bool force)
d17f395c
BS		 302{
303 struct drm_device *dev = connector->dev;
304 struct drm_nouveau_private *dev_priv = dev->dev_private;
305 struct nouveau_connector *nv_connector = nouveau_connector(connector);
306 struct nouveau_encoder *nv_encoder = NULL;
307 enum drm_connector_status status = connector_status_disconnected;
308
309 /* Cleanup the previous EDID block. */
310 if (nv_connector->edid) {
311 drm_mode_connector_update_edid_property(connector, NULL);
312 kfree(nv_connector->edid);
313 nv_connector->edid = NULL;
314 }
315
e19b20bb 316 nv_encoder = find_encoder(connector, OUTPUT_LVDS);
d17f395c
BS		 317 if (!nv_encoder)
318 return connector_status_disconnected;
319
a6ed76d7 320 /* Try retrieving EDID via DDC */
d17f395c 321 if (!dev_priv->vbios.fp_no_ddc) {
930a9e28 322 status = nouveau_connector_detect(connector, force);
d17f395c
BS		 323 if (status == connector_status_connected)
324 goto out;
325 }
326
a6ed76d7
BS		 327 /* On some laptops (Sony, i'm looking at you) there appears to
328 * be no direct way of accessing the panel's EDID. The only
329 * option available to us appears to be to ask ACPI for help..
330 *
331 * It's important this check's before trying straps, one of the
332 * said manufacturer's laptops are configured in such a way
333 * the nouveau decides an entry in the VBIOS FP mode table is
334 * valid - it's not (rh#613284)
335 */
336 if (nv_encoder->dcb->lvdsconf.use_acpi_for_edid) {
337 if (!nouveau_acpi_edid(dev, connector)) {
338 status = connector_status_connected;
339 goto out;
340 }
341 }
342
d17f395c
BS		 343 /* If no EDID found above, and the VBIOS indicates a hardcoded
344 * modeline is avalilable for the panel, set it as the panel's
345 * native mode and exit.
346 */
347 if (nouveau_bios_fp_mode(dev, NULL) && (dev_priv->vbios.fp_no_ddc ||
348 nv_encoder->dcb->lvdsconf.use_straps_for_mode)) {
349 status = connector_status_connected;
350 goto out;
351 }
352
353 /* Still nothing, some VBIOS images have a hardcoded EDID block
354 * stored for the panel stored in them.
355 */
356 if (!dev_priv->vbios.fp_no_ddc) {
357 struct edid *edid =
358 (struct edid *)nouveau_bios_embedded_edid(dev);
359 if (edid) {
360 nv_connector->edid = kmalloc(EDID_LENGTH, GFP_KERNEL);
361 *(nv_connector->edid) = *edid;
362 status = connector_status_connected;
363 }
364 }
365
366out:
367#if defined(CONFIG_ACPI_BUTTON) || \
368 (defined(CONFIG_ACPI_BUTTON_MODULE) && defined(MODULE))
369 if (status == connector_status_connected &&
370 !nouveau_ignorelid && !acpi_lid_open())
371 status = connector_status_unknown;
372#endif
373
374 drm_mode_connector_update_edid_property(connector, nv_connector->edid);
3195c5f9 375 nouveau_connector_set_encoder(connector, nv_encoder);
d17f395c
BS		 376 return status;
377}
378
6ee73861
BS		 379static void
380nouveau_connector_force(struct drm_connector *connector)
381{
be079e97 382 struct nouveau_connector *nv_connector = nouveau_connector(connector);
6ee73861
BS		 383 struct nouveau_encoder *nv_encoder;
384 int type;
385
befb51e9 386 if (nv_connector->type == DCB_CONNECTOR_DVI_I) {
6ee73861
BS		 387 if (connector->force == DRM_FORCE_ON_DIGITAL)
388 type = OUTPUT_TMDS;
389 else
390 type = OUTPUT_ANALOG;
391 } else
392 type = OUTPUT_ANY;
393
e19b20bb 394 nv_encoder = find_encoder(connector, type);
6ee73861 395 if (!nv_encoder) {
be079e97 396 NV_ERROR(connector->dev, "can't find encoder to force %s on!\n",
6ee73861
BS		 397 drm_get_connector_name(connector));
398 connector->status = connector_status_disconnected;
399 return;
400 }
401
402 nouveau_connector_set_encoder(connector, nv_encoder);
403}
404
405static int
406nouveau_connector_set_property(struct drm_connector *connector,
407 struct drm_property *property, uint64_t value)
408{
b29caa58
BS		 409 struct drm_nouveau_private *dev_priv = connector->dev->dev_private;
410 struct nouveau_display_engine *disp = &dev_priv->engine.display;
6ee73861
BS		 411 struct nouveau_connector *nv_connector = nouveau_connector(connector);
412 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
4a9f822f 413 struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
6ee73861 414 struct drm_device *dev = connector->dev;
b29caa58 415 struct nouveau_crtc *nv_crtc;
6ee73861
BS		 416 int ret;
417
b29caa58
BS		 418 nv_crtc = NULL;
419 if (connector->encoder && connector->encoder->crtc)
420 nv_crtc = nouveau_crtc(connector->encoder->crtc);
421
6ee73861
BS		 422 /* Scaling mode */
423 if (property == dev->mode_config.scaling_mode_property) {
6ee73861
BS		 424 bool modeset = false;
425
426 switch (value) {
427 case DRM_MODE_SCALE_NONE:
428 case DRM_MODE_SCALE_FULLSCREEN:
429 case DRM_MODE_SCALE_CENTER:
430 case DRM_MODE_SCALE_ASPECT:
431 break;
432 default:
433 return -EINVAL;
434 }
435
436 /* LVDS always needs gpu scaling */
8c3f6bb9 437 if (connector->connector_type == DRM_MODE_CONNECTOR_LVDS &&
6ee73861
BS		 438 value == DRM_MODE_SCALE_NONE)
439 return -EINVAL;
440
441 /* Changing between GPU and panel scaling requires a full
442 * modeset
443 */
444 if ((nv_connector->scaling_mode == DRM_MODE_SCALE_NONE) ||
445 (value == DRM_MODE_SCALE_NONE))
446 modeset = true;
447 nv_connector->scaling_mode = value;
448
6ee73861
BS		 449 if (!nv_crtc)
450 return 0;
451
452 if (modeset || !nv_crtc->set_scale) {
453 ret = drm_crtc_helper_set_mode(&nv_crtc->base,
454 &nv_crtc->base.mode,
455 nv_crtc->base.x,
456 nv_crtc->base.y, NULL);
457 if (!ret)
458 return -EINVAL;
459 } else {
488ff207 460 ret = nv_crtc->set_scale(nv_crtc, true);
6ee73861
BS		 461 if (ret)
462 return ret;
463 }
464
465 return 0;
466 }
467
b29caa58
BS		 468 /* Underscan */
469 if (property == disp->underscan_property) {
470 if (nv_connector->underscan != value) {
471 nv_connector->underscan = value;
472 if (!nv_crtc || !nv_crtc->set_scale)
473 return 0;
474
488ff207 475 return nv_crtc->set_scale(nv_crtc, true);
b29caa58
BS		 476 }
477
478 return 0;
479 }
480
481 if (property == disp->underscan_hborder_property) {
482 if (nv_connector->underscan_hborder != value) {
483 nv_connector->underscan_hborder = value;
484 if (!nv_crtc || !nv_crtc->set_scale)
485 return 0;
486
488ff207 487 return nv_crtc->set_scale(nv_crtc, true);
b29caa58
BS		 488 }
489
490 return 0;
491 }
492
493 if (property == disp->underscan_vborder_property) {
494 if (nv_connector->underscan_vborder != value) {
495 nv_connector->underscan_vborder = value;
496 if (!nv_crtc || !nv_crtc->set_scale)
497 return 0;
498
488ff207 499 return nv_crtc->set_scale(nv_crtc, true);
b29caa58
BS		 500 }
501
502 return 0;
503 }
504
6ee73861 505 /* Dithering */
de691855
BS		 506 if (property == disp->dithering_mode) {
507 nv_connector->dithering_mode = value;
508 if (!nv_crtc || !nv_crtc->set_dither)
509 return 0;
510
511 return nv_crtc->set_dither(nv_crtc, true);
512 }
6ee73861 513
de691855
BS		 514 if (property == disp->dithering_depth) {
515 nv_connector->dithering_depth = value;
6ee73861
BS		 516 if (!nv_crtc || !nv_crtc->set_dither)
517 return 0;
518
488ff207 519 return nv_crtc->set_dither(nv_crtc, true);
6ee73861
BS		 520 }
521
df26bc9c
CB		 522 if (nv_crtc && nv_crtc->set_color_vibrance) {
523 /* Hue */
524 if (property == disp->vibrant_hue_property) {
525 nv_crtc->vibrant_hue = value - 90;
526 return nv_crtc->set_color_vibrance(nv_crtc, true);
527 }
528 /* Saturation */
529 if (property == disp->color_vibrance_property) {
530 nv_crtc->color_vibrance = value - 100;
531 return nv_crtc->set_color_vibrance(nv_crtc, true);
532 }
533 }
534
6ee73861 535 if (nv_encoder && nv_encoder->dcb->type == OUTPUT_TV)
4a9f822f
FJ		 536 return get_slave_funcs(encoder)->set_property(
537 encoder, connector, property, value);
6ee73861
BS		 538
539 return -EINVAL;
540}
541
542static struct drm_display_mode *
26099a74 543nouveau_connector_native_mode(struct drm_connector *connector)
6ee73861 544{
26099a74
BS		 545 struct drm_connector_helper_funcs *helper = connector->helper_private;
546 struct nouveau_connector *nv_connector = nouveau_connector(connector);
547 struct drm_device *dev = connector->dev;
6ee73861
BS		 548 struct drm_display_mode *mode, *largest = NULL;
549 int high_w = 0, high_h = 0, high_v = 0;
550
26099a74 551 list_for_each_entry(mode, &nv_connector->base.probed_modes, head) {
0d9b6193 552 mode->vrefresh = drm_mode_vrefresh(mode);
a5afb775
FJ		 553 if (helper->mode_valid(connector, mode) != MODE_OK ||
554 (mode->flags & DRM_MODE_FLAG_INTERLACE))
26099a74
BS		 555 continue;
556
557 /* Use preferred mode if there is one.. */
6ee73861 558 if (mode->type & DRM_MODE_TYPE_PREFERRED) {
ef2bb506 559 NV_DEBUG_KMS(dev, "native mode from preferred\n");
6ee73861
BS		 560 return drm_mode_duplicate(dev, mode);
561 }
6ee73861 562
26099a74
BS		 563 /* Otherwise, take the resolution with the largest width, then
564 * height, then vertical refresh
565 */
6ee73861
BS		 566 if (mode->hdisplay < high_w)
567 continue;
568
569 if (mode->hdisplay == high_w && mode->vdisplay < high_h)
570 continue;
571
572 if (mode->hdisplay == high_w && mode->vdisplay == high_h &&
573 mode->vrefresh < high_v)
574 continue;
575
576 high_w = mode->hdisplay;
577 high_h = mode->vdisplay;
578 high_v = mode->vrefresh;
579 largest = mode;
580 }
581
ef2bb506 582 NV_DEBUG_KMS(dev, "native mode from largest: %dx%d@%d\n",
6ee73861
BS		 583 high_w, high_h, high_v);
584 return largest ? drm_mode_duplicate(dev, largest) : NULL;
585}
586
587struct moderec {
588 int hdisplay;
589 int vdisplay;
590};
591
592static struct moderec scaler_modes[] = {
593 { 1920, 1200 },
594 { 1920, 1080 },
595 { 1680, 1050 },
596 { 1600, 1200 },
597 { 1400, 1050 },
598 { 1280, 1024 },
599 { 1280, 960 },
600 { 1152, 864 },
601 { 1024, 768 },
602 { 800, 600 },
603 { 720, 400 },
604 { 640, 480 },
605 { 640, 400 },
606 { 640, 350 },
607 {}
608};
609
610static int
611nouveau_connector_scaler_modes_add(struct drm_connector *connector)
612{
613 struct nouveau_connector *nv_connector = nouveau_connector(connector);
614 struct drm_display_mode *native = nv_connector->native_mode, *m;
615 struct drm_device *dev = connector->dev;
616 struct moderec *mode = &scaler_modes[0];
617 int modes = 0;
618
619 if (!native)
620 return 0;
621
622 while (mode->hdisplay) {
623 if (mode->hdisplay <= native->hdisplay &&
624 mode->vdisplay <= native->vdisplay) {
625 m = drm_cvt_mode(dev, mode->hdisplay, mode->vdisplay,
626 drm_mode_vrefresh(native), false,
627 false, false);
628 if (!m)
629 continue;
630
631 m->type |= DRM_MODE_TYPE_DRIVER;
632
633 drm_mode_probed_add(connector, m);
634 modes++;
635 }
636
637 mode++;
638 }
639
640 return modes;
641}
642
63221755
BS		 643static void
644nouveau_connector_detect_depth(struct drm_connector *connector)
645{
646 struct drm_nouveau_private *dev_priv = connector->dev->dev_private;
647 struct nouveau_connector *nv_connector = nouveau_connector(connector);
648 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
649 struct nvbios *bios = &dev_priv->vbios;
650 struct drm_display_mode *mode = nv_connector->native_mode;
651 bool duallink;
652
653 /* if the edid is feeling nice enough to provide this info, use it */
654 if (nv_connector->edid && connector->display_info.bpc)
655 return;
656
a6a17859
BS		 657 /* EDID 1.4 is *supposed* to be supported on eDP, but, Apple... */
658 if (nv_connector->type == DCB_CONNECTOR_eDP) {
659 connector->display_info.bpc = 6;
660 return;
661 }
662
663 /* we're out of options unless we're LVDS, default to 8bpc */
c8435362
BS		 664 if (nv_encoder->dcb->type != OUTPUT_LVDS) {
665 connector->display_info.bpc = 8;
63221755 666 return;
c8435362
BS		 667 }
668
669 connector->display_info.bpc = 6;
63221755
BS		 670
671 /* LVDS: panel straps */
672 if (bios->fp_no_ddc) {
673 if (bios->fp.if_is_24bit)
674 connector->display_info.bpc = 8;
675 return;
676 }
677
678 /* LVDS: DDC panel, need to first determine the number of links to
679 * know which if_is_24bit flag to check...
680 */
681 if (nv_connector->edid &&
befb51e9 682 nv_connector->type == DCB_CONNECTOR_LVDS_SPWG)
63221755
BS		 683 duallink = ((u8 *)nv_connector->edid)[121] == 2;
684 else
685 duallink = mode->clock >= bios->fp.duallink_transition_clk;
686
687 if ((!duallink && (bios->fp.strapless_is_24bit & 1)) ||
688 ( duallink && (bios->fp.strapless_is_24bit & 2)))
689 connector->display_info.bpc = 8;
690}
691
6ee73861
BS		 692static int
693nouveau_connector_get_modes(struct drm_connector *connector)
694{
695 struct drm_device *dev = connector->dev;
d17f395c 696 struct drm_nouveau_private *dev_priv = dev->dev_private;
6ee73861
BS		 697 struct nouveau_connector *nv_connector = nouveau_connector(connector);
698 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
4a9f822f 699 struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
6ee73861
BS		 700 int ret = 0;
701
d17f395c 702 /* destroy the native mode, the attached monitor could have changed.
6ee73861 703 */
d17f395c 704 if (nv_connector->native_mode) {
6ee73861
BS		 705 drm_mode_destroy(dev, nv_connector->native_mode);
706 nv_connector->native_mode = NULL;
707 }
708
709 if (nv_connector->edid)
710 ret = drm_add_edid_modes(connector, nv_connector->edid);
d17f395c
BS		 711 else
712 if (nv_encoder->dcb->type == OUTPUT_LVDS &&
713 (nv_encoder->dcb->lvdsconf.use_straps_for_mode ||
6e86e041 714 dev_priv->vbios.fp_no_ddc) && nouveau_bios_fp_mode(dev, NULL)) {
80dad869
BS		 715 struct drm_display_mode mode;
716
717 nouveau_bios_fp_mode(dev, &mode);
718 nv_connector->native_mode = drm_mode_duplicate(dev, &mode);
d17f395c 719 }
6ee73861 720
d4c2c99b
BS		 721 /* Determine display colour depth for everything except LVDS now,
722 * DP requires this before mode_valid() is called.
723 */
724 if (connector->connector_type != DRM_MODE_CONNECTOR_LVDS)
725 nouveau_connector_detect_depth(connector);
726
6ee73861
BS		 727 /* Find the native mode if this is a digital panel, if we didn't
728 * find any modes through DDC previously add the native mode to
729 * the list of modes.
730 */
731 if (!nv_connector->native_mode)
732 nv_connector->native_mode =
26099a74 733 nouveau_connector_native_mode(connector);
6ee73861
BS		 734 if (ret == 0 && nv_connector->native_mode) {
735 struct drm_display_mode *mode;
736
737 mode = drm_mode_duplicate(dev, nv_connector->native_mode);
738 drm_mode_probed_add(connector, mode);
739 ret = 1;
740 }
741
d4c2c99b
BS		 742 /* Determine LVDS colour depth, must happen after determining
743 * "native" mode as some VBIOS tables require us to use the
744 * pixel clock as part of the lookup...
63221755 745 */
d4c2c99b
BS		 746 if (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)
747 nouveau_connector_detect_depth(connector);
63221755 748
6ee73861 749 if (nv_encoder->dcb->type == OUTPUT_TV)
4a9f822f 750 ret = get_slave_funcs(encoder)->get_modes(encoder, connector);
6ee73861 751
befb51e9
BS		 752 if (nv_connector->type == DCB_CONNECTOR_LVDS ||
753 nv_connector->type == DCB_CONNECTOR_LVDS_SPWG ||
754 nv_connector->type == DCB_CONNECTOR_eDP)
6ee73861
BS		 755 ret += nouveau_connector_scaler_modes_add(connector);
756
757 return ret;
758}
759
1f5bd443
FJ		 760static unsigned
761get_tmds_link_bandwidth(struct drm_connector *connector)
762{
763 struct nouveau_connector *nv_connector = nouveau_connector(connector);
764 struct drm_nouveau_private *dev_priv = connector->dev->dev_private;
765 struct dcb_entry *dcb = nv_connector->detected_encoder->dcb;
766
767 if (dcb->location != DCB_LOC_ON_CHIP ||
768 dev_priv->chipset >= 0x46)
769 return 165000;
770 else if (dev_priv->chipset >= 0x40)
771 return 155000;
772 else if (dev_priv->chipset >= 0x18)
773 return 135000;
774 else
775 return 112000;
776}
777
6ee73861
BS		 778static int
779nouveau_connector_mode_valid(struct drm_connector *connector,
780 struct drm_display_mode *mode)
781{
6ee73861
BS		 782 struct nouveau_connector *nv_connector = nouveau_connector(connector);
783 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
4a9f822f 784 struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
6ee73861
BS		 785 unsigned min_clock = 25000, max_clock = min_clock;
786 unsigned clock = mode->clock;
787
788 switch (nv_encoder->dcb->type) {
789 case OUTPUT_LVDS:
26099a74
BS		 790 if (nv_connector->native_mode &&
791 (mode->hdisplay > nv_connector->native_mode->hdisplay ||
792 mode->vdisplay > nv_connector->native_mode->vdisplay))
6ee73861
BS		 793 return MODE_PANEL;
794
795 min_clock = 0;
796 max_clock = 400000;
797 break;
798 case OUTPUT_TMDS:
1f5bd443
FJ		 799 max_clock = get_tmds_link_bandwidth(connector);
800 if (nouveau_duallink && nv_encoder->dcb->duallink_possible)
801 max_clock *= 2;
6ee73861
BS		 802 break;
803 case OUTPUT_ANALOG:
804 max_clock = nv_encoder->dcb->crtconf.maxfreq;
805 if (!max_clock)
806 max_clock = 350000;
807 break;
808 case OUTPUT_TV:
4a9f822f 809 return get_slave_funcs(encoder)->mode_valid(encoder, mode);
6ee73861 810 case OUTPUT_DP:
75a1fccf
BS		 811 max_clock = nv_encoder->dp.link_nr;
812 max_clock *= nv_encoder->dp.link_bw;
d4c2c99b 813 clock = clock * (connector->display_info.bpc * 3) / 10;
6ee73861 814 break;
e7cc51c5
BS		 815 default:
816 BUG_ON(1);
817 return MODE_BAD;
6ee73861
BS		 818 }
819
820 if (clock < min_clock)
821 return MODE_CLOCK_LOW;
822
823 if (clock > max_clock)
824 return MODE_CLOCK_HIGH;
825
826 return MODE_OK;
827}
828
829static struct drm_encoder *
830nouveau_connector_best_encoder(struct drm_connector *connector)
831{
832 struct nouveau_connector *nv_connector = nouveau_connector(connector);
833
834 if (nv_connector->detected_encoder)
835 return to_drm_encoder(nv_connector->detected_encoder);
836
837 return NULL;
838}
839
840static const struct drm_connector_helper_funcs
841nouveau_connector_helper_funcs = {
842 .get_modes = nouveau_connector_get_modes,
843 .mode_valid = nouveau_connector_mode_valid,
844 .best_encoder = nouveau_connector_best_encoder,
845};
846
847static const struct drm_connector_funcs
848nouveau_connector_funcs = {
849 .dpms = drm_helper_connector_dpms,
850 .save = NULL,
851 .restore = NULL,
852 .detect = nouveau_connector_detect,
853 .destroy = nouveau_connector_destroy,
854 .fill_modes = drm_helper_probe_single_connector_modes,
855 .set_property = nouveau_connector_set_property,
856 .force = nouveau_connector_force
857};
858
d17f395c
BS		 859static const struct drm_connector_funcs
860nouveau_connector_funcs_lvds = {
861 .dpms = drm_helper_connector_dpms,
862 .save = NULL,
863 .restore = NULL,
864 .detect = nouveau_connector_detect_lvds,
865 .destroy = nouveau_connector_destroy,
866 .fill_modes = drm_helper_probe_single_connector_modes,
867 .set_property = nouveau_connector_set_property,
868 .force = nouveau_connector_force
869};
6ee73861 870
befb51e9
BS		 871static int
872drm_conntype_from_dcb(enum dcb_connector_type dcb)
873{
874 switch (dcb) {
875 case DCB_CONNECTOR_VGA : return DRM_MODE_CONNECTOR_VGA;
876 case DCB_CONNECTOR_TV_0 :
877 case DCB_CONNECTOR_TV_1 :
878 case DCB_CONNECTOR_TV_3 : return DRM_MODE_CONNECTOR_TV;
fa2c113a
BS		 879 case DCB_CONNECTOR_DMS59_0 :
880 case DCB_CONNECTOR_DMS59_1 :
befb51e9
BS		 881 case DCB_CONNECTOR_DVI_I : return DRM_MODE_CONNECTOR_DVII;
882 case DCB_CONNECTOR_DVI_D : return DRM_MODE_CONNECTOR_DVID;
883 case DCB_CONNECTOR_LVDS :
884 case DCB_CONNECTOR_LVDS_SPWG: return DRM_MODE_CONNECTOR_LVDS;
4abb410a
BS		 885 case DCB_CONNECTOR_DMS59_DP0:
886 case DCB_CONNECTOR_DMS59_DP1:
befb51e9
BS		 887 case DCB_CONNECTOR_DP : return DRM_MODE_CONNECTOR_DisplayPort;
888 case DCB_CONNECTOR_eDP : return DRM_MODE_CONNECTOR_eDP;
889 case DCB_CONNECTOR_HDMI_0 :
890 case DCB_CONNECTOR_HDMI_1 : return DRM_MODE_CONNECTOR_HDMIA;
891 default:
892 break;
893 }
894
895 return DRM_MODE_CONNECTOR_Unknown;
896}
897
8f1a6086
BS		 898struct drm_connector *
899nouveau_connector_create(struct drm_device *dev, int index)
6ee73861 900{
d17f395c 901 const struct drm_connector_funcs *funcs = &nouveau_connector_funcs;
6ee73861 902 struct drm_nouveau_private *dev_priv = dev->dev_private;
b29caa58 903 struct nouveau_display_engine *disp = &dev_priv->engine.display;
6ee73861
BS		 904 struct nouveau_connector *nv_connector = NULL;
905 struct drm_connector *connector;
2fa67f12 906 int type, ret = 0;
befb51e9 907 bool dummy;
6ee73861 908
ef2bb506 909 NV_DEBUG_KMS(dev, "\n");
6ee73861 910
befb51e9
BS		 911 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
912 nv_connector = nouveau_connector(connector);
913 if (nv_connector->index == index)
914 return connector;
6ee73861
BS		 915 }
916
7f612d87
BS		 917 nv_connector = kzalloc(sizeof(*nv_connector), GFP_KERNEL);
918 if (!nv_connector)
8f1a6086 919 return ERR_PTR(-ENOMEM);
befb51e9 920
7f612d87 921 connector = &nv_connector->base;
befb51e9
BS		 922 nv_connector->index = index;
923
924 /* attempt to parse vbios connector type and hotplug gpio */
925 nv_connector->dcb = dcb_conn(dev, index);
926 if (nv_connector->dcb) {
927 static const u8 hpd[16] = {
928 0xff, 0x07, 0x08, 0xff, 0xff, 0x51, 0x52, 0xff,
929 0xff, 0xff, 0xff, 0xff, 0xff, 0x5e, 0x5f, 0x60,
930 };
931
932 u32 entry = ROM16(nv_connector->dcb[0]);
933 if (dcb_conntab(dev)[3] >= 4)
934 entry |= (u32)ROM16(nv_connector->dcb[2]) << 16;
935
936 nv_connector->hpd = ffs((entry & 0x07033000) >> 12);
937 nv_connector->hpd = hpd[nv_connector->hpd];
938
939 nv_connector->type = nv_connector->dcb[0];
940 if (drm_conntype_from_dcb(nv_connector->type) ==
941 DRM_MODE_CONNECTOR_Unknown) {
942 NV_WARN(dev, "unknown connector type %02x\n",
943 nv_connector->type);
944 nv_connector->type = DCB_CONNECTOR_NONE;
945 }
7f612d87 946
befb51e9
BS		 947 /* Gigabyte NX85T */
948 if (nv_match_device(dev, 0x0421, 0x1458, 0x344c)) {
949 if (nv_connector->type == DCB_CONNECTOR_HDMI_1)
950 nv_connector->type = DCB_CONNECTOR_DVI_I;
951 }
6ee73861 952
befb51e9
BS		 953 /* Gigabyte GV-NX86T512H */
954 if (nv_match_device(dev, 0x0402, 0x1458, 0x3455)) {
955 if (nv_connector->type == DCB_CONNECTOR_HDMI_1)
956 nv_connector->type = DCB_CONNECTOR_DVI_I;
957 }
958 } else {
959 nv_connector->type = DCB_CONNECTOR_NONE;
960 nv_connector->hpd = DCB_GPIO_UNUSED;
961 }
962
963 /* no vbios data, or an unknown dcb connector type - attempt to
964 * figure out something suitable ourselves
965 */
966 if (nv_connector->type == DCB_CONNECTOR_NONE) {
967 struct drm_nouveau_private *dev_priv = dev->dev_private;
968 struct dcb_table *dcbt = &dev_priv->vbios.dcb;
969 u32 encoders = 0;
970 int i;
971
972 for (i = 0; i < dcbt->entries; i++) {
973 if (dcbt->entry[i].connector == nv_connector->index)
974 encoders |= (1 << dcbt->entry[i].type);
975 }
6ee73861 976
befb51e9
BS		 977 if (encoders & (1 << OUTPUT_DP)) {
978 if (encoders & (1 << OUTPUT_TMDS))
979 nv_connector->type = DCB_CONNECTOR_DP;
980 else
981 nv_connector->type = DCB_CONNECTOR_eDP;
982 } else
983 if (encoders & (1 << OUTPUT_TMDS)) {
984 if (encoders & (1 << OUTPUT_ANALOG))
985 nv_connector->type = DCB_CONNECTOR_DVI_I;
986 else
987 nv_connector->type = DCB_CONNECTOR_DVI_D;
988 } else
989 if (encoders & (1 << OUTPUT_ANALOG)) {
990 nv_connector->type = DCB_CONNECTOR_VGA;
991 } else
992 if (encoders & (1 << OUTPUT_LVDS)) {
993 nv_connector->type = DCB_CONNECTOR_LVDS;
994 } else
995 if (encoders & (1 << OUTPUT_TV)) {
996 nv_connector->type = DCB_CONNECTOR_TV_0;
997 }
998 }
2fa67f12 999
befb51e9
BS		 1000 type = drm_conntype_from_dcb(nv_connector->type);
1001 if (type == DRM_MODE_CONNECTOR_LVDS) {
1002 ret = nouveau_bios_parse_lvds_table(dev, 0, &dummy, &dummy);
2fa67f12 1003 if (ret) {
befb51e9
BS		 1004 NV_ERROR(dev, "Error parsing LVDS table, disabling\n");
1005 kfree(nv_connector);
1006 return ERR_PTR(ret);
2fa67f12 1007 }
befb51e9
BS		 1008
1009 funcs = &nouveau_connector_funcs_lvds;
1010 } else {
1011 funcs = &nouveau_connector_funcs;
7f612d87
BS		 1012 }
1013
befb51e9
BS		 1014 /* defaults, will get overridden in detect() */
1015 connector->interlace_allowed = false;
1016 connector->doublescan_allowed = false;
1017
1018 drm_connector_init(dev, connector, funcs, type);
1019 drm_connector_helper_add(connector, &nouveau_connector_helper_funcs);
1020
6ee73861 1021 /* Init DVI-I specific properties */
befb51e9 1022 if (nv_connector->type == DCB_CONNECTOR_DVI_I)
6ee73861 1023 drm_connector_attach_property(connector, dev->mode_config.dvi_i_subconnector_property, 0);
6ee73861 1024
b29caa58 1025 /* Add overscan compensation options to digital outputs */
de691855 1026 if (disp->underscan_property &&
fa2c113a
BS		 1027 (type == DRM_MODE_CONNECTOR_DVID ||
1028 type == DRM_MODE_CONNECTOR_DVII ||
1029 type == DRM_MODE_CONNECTOR_HDMIA ||
1030 type == DRM_MODE_CONNECTOR_DisplayPort)) {
b29caa58
BS		 1031 drm_connector_attach_property(connector,
1032 disp->underscan_property,
1033 UNDERSCAN_OFF);
1034 drm_connector_attach_property(connector,
1035 disp->underscan_hborder_property,
1036 0);
1037 drm_connector_attach_property(connector,
1038 disp->underscan_vborder_property,
1039 0);
1040 }
1041
df26bc9c
CB		 1042 /* Add hue and saturation options */
1043 if (disp->vibrant_hue_property)
1044 drm_connector_attach_property(connector,
1045 disp->vibrant_hue_property,
1046 90);
1047 if (disp->color_vibrance_property)
1048 drm_connector_attach_property(connector,
1049 disp->color_vibrance_property,
1050 150);
1051
befb51e9 1052 switch (nv_connector->type) {
be079e97
BS		 1053 case DCB_CONNECTOR_VGA:
1054 if (dev_priv->card_type >= NV_50) {
6ee73861
BS		 1055 drm_connector_attach_property(connector,
1056 dev->mode_config.scaling_mode_property,
1057 nv_connector->scaling_mode);
1058 }
be079e97
BS		 1059 /* fall-through */
1060 case DCB_CONNECTOR_TV_0:
1061 case DCB_CONNECTOR_TV_1:
1062 case DCB_CONNECTOR_TV_3:
1063 nv_connector->scaling_mode = DRM_MODE_SCALE_NONE;
1064 break;
1065 default:
1066 nv_connector->scaling_mode = DRM_MODE_SCALE_FULLSCREEN;
1067
1068 drm_connector_attach_property(connector,
1069 dev->mode_config.scaling_mode_property,
1070 nv_connector->scaling_mode);
de691855
BS		 1071 if (disp->dithering_mode) {
1072 nv_connector->dithering_mode = DITHERING_MODE_AUTO;
1073 drm_connector_attach_property(connector,
1074 disp->dithering_mode,
1075 nv_connector->dithering_mode);
1076 }
1077 if (disp->dithering_depth) {
1078 nv_connector->dithering_depth = DITHERING_DEPTH_AUTO;
1079 drm_connector_attach_property(connector,
1080 disp->dithering_depth,
1081 nv_connector->dithering_depth);
1082 }
be079e97 1083 break;
6ee73861
BS		 1084 }
1085
a0b25635
BS		 1086 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1087 if (nv_connector->hpd != DCB_GPIO_UNUSED) {
1088 ret = nouveau_gpio_isr_add(dev, 0, nv_connector->hpd, 0xff,
1089 nouveau_connector_hotplug,
1090 connector);
1091 if (ret == 0)
1092 connector->polled = DRM_CONNECTOR_POLL_HPD;
fce2bad0
BS		 1093 }
1094
6ee73861 1095 drm_sysfs_connector_add(connector);
befb51e9 1096 return connector;
6ee73861 1097}
fce2bad0
BS		 1098
1099static void
1100nouveau_connector_hotplug(void *data, int plugged)
1101{
1102 struct drm_connector *connector = data;
1103 struct drm_device *dev = connector->dev;
1104
68c99184
BS		 1105 NV_DEBUG(dev, "%splugged %s\n", plugged ? "" : "un",
1106 drm_get_connector_name(connector));
fce2bad0 1107
68c99184
BS		 1108 if (plugged)
1109 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
1110 else
1111 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
fce2bad0
BS		 1112
1113 drm_helper_hpd_irq_event(dev);
1114}
Linux 6.x block layer and io_uring tree(s)