1/*
2 * Copyright 2007-8 Advanced Micro Devices, Inc.
3 * Copyright 2008 Red Hat Inc.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice shall be included in
13 * all copies or substantial portions of the Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
19 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
20 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
21 * OTHER DEALINGS IN THE SOFTWARE.
22 *
23 * Authors: Dave Airlie
24 * Alex Deucher
25 */
26#include <drm/drmP.h>
27#include <drm/drm_edid.h>
28#include <drm/drm_crtc_helper.h>
29#include <drm/drm_fb_helper.h>
30#include <drm/radeon_drm.h>
31#include "radeon.h"
32#include "atom.h"
33
34#include <linux/pm_runtime.h>
35
36void radeon_connector_hotplug(struct drm_connector *connector)
37{
38 struct drm_device *dev = connector->dev;
39 struct radeon_device *rdev = dev->dev_private;
40 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
41
42 /* bail if the connector does not have hpd pin, e.g.,
43 * VGA, TV, etc.
44 */
45 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE)
46 return;
47
48 radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
49
50 /* if the connector is already off, don't turn it back on */
51 if (connector->dpms != DRM_MODE_DPMS_ON)
52 return;
53
54 /* just deal with DP (not eDP) here. */
55 if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) {
56 struct radeon_connector_atom_dig *dig_connector =
57 radeon_connector->con_priv;
58
59 /* if existing sink type was not DP no need to retrain */
60 if (dig_connector->dp_sink_type != CONNECTOR_OBJECT_ID_DISPLAYPORT)
61 return;
62
63 /* first get sink type as it may be reset after (un)plug */
64 dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector);
65 /* don't do anything if sink is not display port, i.e.,
66 * passive dp->(dvi|hdmi) adaptor
67 */
68 if (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
69 int saved_dpms = connector->dpms;
70 /* Only turn off the display if it's physically disconnected */
71 if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
72 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
73 } else if (radeon_dp_needs_link_train(radeon_connector)) {
74 /* set it to OFF so that drm_helper_connector_dpms()
75 * won't return immediately since the current state
76 * is ON at this point.
77 */
78 connector->dpms = DRM_MODE_DPMS_OFF;
79 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
80 }
81 connector->dpms = saved_dpms;
82 }
83 }
84}
85
86static void radeon_property_change_mode(struct drm_encoder *encoder)
87{
88 struct drm_crtc *crtc = encoder->crtc;
89
90 if (crtc && crtc->enabled) {
91 drm_crtc_helper_set_mode(crtc, &crtc->mode,
92 crtc->x, crtc->y, crtc->primary->fb);
93 }
94}
95
96int radeon_get_monitor_bpc(struct drm_connector *connector)
97{
98 struct drm_device *dev = connector->dev;
99 struct radeon_device *rdev = dev->dev_private;
100 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
101 struct radeon_connector_atom_dig *dig_connector;
102 int bpc = 8;
103
104 switch (connector->connector_type) {
105 case DRM_MODE_CONNECTOR_DVII:
106 case DRM_MODE_CONNECTOR_HDMIB:
107 if (radeon_connector->use_digital) {
108 if (drm_detect_hdmi_monitor(radeon_connector->edid)) {
109 if (connector->display_info.bpc)
110 bpc = connector->display_info.bpc;
111 }
112 }
113 break;
114 case DRM_MODE_CONNECTOR_DVID:
115 case DRM_MODE_CONNECTOR_HDMIA:
116 if (drm_detect_hdmi_monitor(radeon_connector->edid)) {
117 if (connector->display_info.bpc)
118 bpc = connector->display_info.bpc;
119 }
120 break;
121 case DRM_MODE_CONNECTOR_DisplayPort:
122 dig_connector = radeon_connector->con_priv;
123 if ((dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
124 (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP) ||
125 drm_detect_hdmi_monitor(radeon_connector->edid)) {
126 if (connector->display_info.bpc)
127 bpc = connector->display_info.bpc;
128 }
129 break;
130 case DRM_MODE_CONNECTOR_eDP:
131 case DRM_MODE_CONNECTOR_LVDS:
132 if (connector->display_info.bpc)
133 bpc = connector->display_info.bpc;
134 else if (ASIC_IS_DCE41(rdev) || ASIC_IS_DCE5(rdev)) {
135 struct drm_connector_helper_funcs *connector_funcs =
136 connector->helper_private;
137 struct drm_encoder *encoder = connector_funcs->best_encoder(connector);
138 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
139 struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
140
141 if (dig->lcd_misc & ATOM_PANEL_MISC_V13_6BIT_PER_COLOR)
142 bpc = 6;
143 else if (dig->lcd_misc & ATOM_PANEL_MISC_V13_8BIT_PER_COLOR)
144 bpc = 8;
145 }
146 break;
147 }
148 return bpc;
149}
150
151static void
152radeon_connector_update_scratch_regs(struct drm_connector *connector, enum drm_connector_status status)
153{
154 struct drm_device *dev = connector->dev;
155 struct radeon_device *rdev = dev->dev_private;
156 struct drm_encoder *best_encoder = NULL;
157 struct drm_encoder *encoder = NULL;
158 struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
159 struct drm_mode_object *obj;
160 bool connected;
161 int i;
162
163 best_encoder = connector_funcs->best_encoder(connector);
164
165 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
166 if (connector->encoder_ids[i] == 0)
167 break;
168
169 obj = drm_mode_object_find(connector->dev,
170 connector->encoder_ids[i],
171 DRM_MODE_OBJECT_ENCODER);
172 if (!obj)
173 continue;
174
175 encoder = obj_to_encoder(obj);
176
177 if ((encoder == best_encoder) && (status == connector_status_connected))
178 connected = true;
179 else
180 connected = false;
181
182 if (rdev->is_atom_bios)
183 radeon_atombios_connected_scratch_regs(connector, encoder, connected);
184 else
185 radeon_combios_connected_scratch_regs(connector, encoder, connected);
186
187 }
188}
189
190static struct drm_encoder *radeon_find_encoder(struct drm_connector *connector, int encoder_type)
191{
192 struct drm_mode_object *obj;
193 struct drm_encoder *encoder;
194 int i;
195
196 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
197 if (connector->encoder_ids[i] == 0)
198 break;
199
200 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
201 if (!obj)
202 continue;
203
204 encoder = obj_to_encoder(obj);
205 if (encoder->encoder_type == encoder_type)
206 return encoder;
207 }
208 return NULL;
209}
210
211static struct drm_encoder *radeon_best_single_encoder(struct drm_connector *connector)
212{
213 int enc_id = connector->encoder_ids[0];
214 struct drm_mode_object *obj;
215 struct drm_encoder *encoder;
216
217 /* pick the encoder ids */
218 if (enc_id) {
219 obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER);
220 if (!obj)
221 return NULL;
222 encoder = obj_to_encoder(obj);
223 return encoder;
224 }
225 return NULL;
226}
227
228/*
229 * radeon_connector_analog_encoder_conflict_solve
230 * - search for other connectors sharing this encoder
231 * if priority is true, then set them disconnected if this is connected
232 * if priority is false, set us disconnected if they are connected
233 */
234static enum drm_connector_status
235radeon_connector_analog_encoder_conflict_solve(struct drm_connector *connector,
236 struct drm_encoder *encoder,
237 enum drm_connector_status current_status,
238 bool priority)
239{
240 struct drm_device *dev = connector->dev;
241 struct drm_connector *conflict;
242 struct radeon_connector *radeon_conflict;
243 int i;
244
245 list_for_each_entry(conflict, &dev->mode_config.connector_list, head) {
246 if (conflict == connector)
247 continue;
248
249 radeon_conflict = to_radeon_connector(conflict);
250 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
251 if (conflict->encoder_ids[i] == 0)
252 break;
253
254 /* if the IDs match */
255 if (conflict->encoder_ids[i] == encoder->base.id) {
256 if (conflict->status != connector_status_connected)
257 continue;
258
259 if (radeon_conflict->use_digital)
260 continue;
261
262 if (priority == true) {
263 DRM_DEBUG_KMS("1: conflicting encoders switching off %s\n", drm_get_connector_name(conflict));
264 DRM_DEBUG_KMS("in favor of %s\n", drm_get_connector_name(connector));
265 conflict->status = connector_status_disconnected;
266 radeon_connector_update_scratch_regs(conflict, connector_status_disconnected);
267 } else {
268 DRM_DEBUG_KMS("2: conflicting encoders switching off %s\n", drm_get_connector_name(connector));
269 DRM_DEBUG_KMS("in favor of %s\n", drm_get_connector_name(conflict));
270 current_status = connector_status_disconnected;
271 }
272 break;
273 }
274 }
275 }
276 return current_status;
277
278}
279
280static struct drm_display_mode *radeon_fp_native_mode(struct drm_encoder *encoder)
281{
282 struct drm_device *dev = encoder->dev;
283 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
284 struct drm_display_mode *mode = NULL;
285 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
286
287 if (native_mode->hdisplay != 0 &&
288 native_mode->vdisplay != 0 &&
289 native_mode->clock != 0) {
290 mode = drm_mode_duplicate(dev, native_mode);
291 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
292 drm_mode_set_name(mode);
293
294 DRM_DEBUG_KMS("Adding native panel mode %s\n", mode->name);
295 } else if (native_mode->hdisplay != 0 &&
296 native_mode->vdisplay != 0) {
297 /* mac laptops without an edid */
298 /* Note that this is not necessarily the exact panel mode,
299 * but an approximation based on the cvt formula. For these
300 * systems we should ideally read the mode info out of the
301 * registers or add a mode table, but this works and is much
302 * simpler.
303 */
304 mode = drm_cvt_mode(dev, native_mode->hdisplay, native_mode->vdisplay, 60, true, false, false);
305 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
306 DRM_DEBUG_KMS("Adding cvt approximation of native panel mode %s\n", mode->name);
307 }
308 return mode;
309}
310
311static void radeon_add_common_modes(struct drm_encoder *encoder, struct drm_connector *connector)
312{
313 struct drm_device *dev = encoder->dev;
314 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
315 struct drm_display_mode *mode = NULL;
316 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
317 int i;
318 struct mode_size {
319 int w;
320 int h;
321 } common_modes[17] = {
322 { 640, 480},
323 { 720, 480},
324 { 800, 600},
325 { 848, 480},
326 {1024, 768},
327 {1152, 768},
328 {1280, 720},
329 {1280, 800},
330 {1280, 854},
331 {1280, 960},
332 {1280, 1024},
333 {1440, 900},
334 {1400, 1050},
335 {1680, 1050},
336 {1600, 1200},
337 {1920, 1080},
338 {1920, 1200}
339 };
340
341 for (i = 0; i < 17; i++) {
342 if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) {
343 if (common_modes[i].w > 1024 ||
344 common_modes[i].h > 768)
345 continue;
346 }
347 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
348 if (common_modes[i].w > native_mode->hdisplay ||
349 common_modes[i].h > native_mode->vdisplay ||
350 (common_modes[i].w == native_mode->hdisplay &&
351 common_modes[i].h == native_mode->vdisplay))
352 continue;
353 }
354 if (common_modes[i].w < 320 || common_modes[i].h < 200)
355 continue;
356
357 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 60, false, false, false);
358 drm_mode_probed_add(connector, mode);
359 }
360}
361
362static int radeon_connector_set_property(struct drm_connector *connector, struct drm_property *property,
363 uint64_t val)
364{
365 struct drm_device *dev = connector->dev;
366 struct radeon_device *rdev = dev->dev_private;
367 struct drm_encoder *encoder;
368 struct radeon_encoder *radeon_encoder;
369
370 if (property == rdev->mode_info.coherent_mode_property) {
371 struct radeon_encoder_atom_dig *dig;
372 bool new_coherent_mode;
373
374 /* need to find digital encoder on connector */
375 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
376 if (!encoder)
377 return 0;
378
379 radeon_encoder = to_radeon_encoder(encoder);
380
381 if (!radeon_encoder->enc_priv)
382 return 0;
383
384 dig = radeon_encoder->enc_priv;
385 new_coherent_mode = val ? true : false;
386 if (dig->coherent_mode != new_coherent_mode) {
387 dig->coherent_mode = new_coherent_mode;
388 radeon_property_change_mode(&radeon_encoder->base);
389 }
390 }
391
392 if (property == rdev->mode_info.audio_property) {
393 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
394 /* need to find digital encoder on connector */
395 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
396 if (!encoder)
397 return 0;
398
399 radeon_encoder = to_radeon_encoder(encoder);
400
401 if (radeon_connector->audio != val) {
402 radeon_connector->audio = val;
403 radeon_property_change_mode(&radeon_encoder->base);
404 }
405 }
406
407 if (property == rdev->mode_info.dither_property) {
408 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
409 /* need to find digital encoder on connector */
410 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
411 if (!encoder)
412 return 0;
413
414 radeon_encoder = to_radeon_encoder(encoder);
415
416 if (radeon_connector->dither != val) {
417 radeon_connector->dither = val;
418 radeon_property_change_mode(&radeon_encoder->base);
419 }
420 }
421
422 if (property == rdev->mode_info.underscan_property) {
423 /* need to find digital encoder on connector */
424 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
425 if (!encoder)
426 return 0;
427
428 radeon_encoder = to_radeon_encoder(encoder);
429
430 if (radeon_encoder->underscan_type != val) {
431 radeon_encoder->underscan_type = val;
432 radeon_property_change_mode(&radeon_encoder->base);
433 }
434 }
435
436 if (property == rdev->mode_info.underscan_hborder_property) {
437 /* need to find digital encoder on connector */
438 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
439 if (!encoder)
440 return 0;
441
442 radeon_encoder = to_radeon_encoder(encoder);
443
444 if (radeon_encoder->underscan_hborder != val) {
445 radeon_encoder->underscan_hborder = val;
446 radeon_property_change_mode(&radeon_encoder->base);
447 }
448 }
449
450 if (property == rdev->mode_info.underscan_vborder_property) {
451 /* need to find digital encoder on connector */
452 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
453 if (!encoder)
454 return 0;
455
456 radeon_encoder = to_radeon_encoder(encoder);
457
458 if (radeon_encoder->underscan_vborder != val) {
459 radeon_encoder->underscan_vborder = val;
460 radeon_property_change_mode(&radeon_encoder->base);
461 }
462 }
463
464 if (property == rdev->mode_info.tv_std_property) {
465 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TVDAC);
466 if (!encoder) {
467 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_DAC);
468 }
469
470 if (!encoder)
471 return 0;
472
473 radeon_encoder = to_radeon_encoder(encoder);
474 if (!radeon_encoder->enc_priv)
475 return 0;
476 if (ASIC_IS_AVIVO(rdev) || radeon_r4xx_atom) {
477 struct radeon_encoder_atom_dac *dac_int;
478 dac_int = radeon_encoder->enc_priv;
479 dac_int->tv_std = val;
480 } else {
481 struct radeon_encoder_tv_dac *dac_int;
482 dac_int = radeon_encoder->enc_priv;
483 dac_int->tv_std = val;
484 }
485 radeon_property_change_mode(&radeon_encoder->base);
486 }
487
488 if (property == rdev->mode_info.load_detect_property) {
489 struct radeon_connector *radeon_connector =
490 to_radeon_connector(connector);
491
492 if (val == 0)
493 radeon_connector->dac_load_detect = false;
494 else
495 radeon_connector->dac_load_detect = true;
496 }
497
498 if (property == rdev->mode_info.tmds_pll_property) {
499 struct radeon_encoder_int_tmds *tmds = NULL;
500 bool ret = false;
501 /* need to find digital encoder on connector */
502 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
503 if (!encoder)
504 return 0;
505
506 radeon_encoder = to_radeon_encoder(encoder);
507
508 tmds = radeon_encoder->enc_priv;
509 if (!tmds)
510 return 0;
511
512 if (val == 0) {
513 if (rdev->is_atom_bios)
514 ret = radeon_atombios_get_tmds_info(radeon_encoder, tmds);
515 else
516 ret = radeon_legacy_get_tmds_info_from_combios(radeon_encoder, tmds);
517 }
518 if (val == 1 || ret == false) {
519 radeon_legacy_get_tmds_info_from_table(radeon_encoder, tmds);
520 }
521 radeon_property_change_mode(&radeon_encoder->base);
522 }
523
524 return 0;
525}
526
527static void radeon_fixup_lvds_native_mode(struct drm_encoder *encoder,
528 struct drm_connector *connector)
529{
530 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
531 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
532 struct drm_display_mode *t, *mode;
533
534 /* If the EDID preferred mode doesn't match the native mode, use it */
535 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
536 if (mode->type & DRM_MODE_TYPE_PREFERRED) {
537 if (mode->hdisplay != native_mode->hdisplay ||
538 mode->vdisplay != native_mode->vdisplay)
539 memcpy(native_mode, mode, sizeof(*mode));
540 }
541 }
542
543 /* Try to get native mode details from EDID if necessary */
544 if (!native_mode->clock) {
545 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
546 if (mode->hdisplay == native_mode->hdisplay &&
547 mode->vdisplay == native_mode->vdisplay) {
548 *native_mode = *mode;
549 drm_mode_set_crtcinfo(native_mode, CRTC_INTERLACE_HALVE_V);
550 DRM_DEBUG_KMS("Determined LVDS native mode details from EDID\n");
551 break;
552 }
553 }
554 }
555
556 if (!native_mode->clock) {
557 DRM_DEBUG_KMS("No LVDS native mode details, disabling RMX\n");
558 radeon_encoder->rmx_type = RMX_OFF;
559 }
560}
561
562static int radeon_lvds_get_modes(struct drm_connector *connector)
563{
564 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
565 struct drm_encoder *encoder;
566 int ret = 0;
567 struct drm_display_mode *mode;
568
569 if (radeon_connector->ddc_bus) {
570 ret = radeon_ddc_get_modes(radeon_connector);
571 if (ret > 0) {
572 encoder = radeon_best_single_encoder(connector);
573 if (encoder) {
574 radeon_fixup_lvds_native_mode(encoder, connector);
575 /* add scaled modes */
576 radeon_add_common_modes(encoder, connector);
577 }
578 return ret;
579 }
580 }
581
582 encoder = radeon_best_single_encoder(connector);
583 if (!encoder)
584 return 0;
585
586 /* we have no EDID modes */
587 mode = radeon_fp_native_mode(encoder);
588 if (mode) {
589 ret = 1;
590 drm_mode_probed_add(connector, mode);
591 /* add the width/height from vbios tables if available */
592 connector->display_info.width_mm = mode->width_mm;
593 connector->display_info.height_mm = mode->height_mm;
594 /* add scaled modes */
595 radeon_add_common_modes(encoder, connector);
596 }
597
598 return ret;
599}
600
601static int radeon_lvds_mode_valid(struct drm_connector *connector,
602 struct drm_display_mode *mode)
603{
604 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
605
606 if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
607 return MODE_PANEL;
608
609 if (encoder) {
610 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
611 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
612
613 /* AVIVO hardware supports downscaling modes larger than the panel
614 * to the panel size, but I'm not sure this is desirable.
615 */
616 if ((mode->hdisplay > native_mode->hdisplay) ||
617 (mode->vdisplay > native_mode->vdisplay))
618 return MODE_PANEL;
619
620 /* if scaling is disabled, block non-native modes */
621 if (radeon_encoder->rmx_type == RMX_OFF) {
622 if ((mode->hdisplay != native_mode->hdisplay) ||
623 (mode->vdisplay != native_mode->vdisplay))
624 return MODE_PANEL;
625 }
626 }
627
628 return MODE_OK;
629}
630
631static enum drm_connector_status
632radeon_lvds_detect(struct drm_connector *connector, bool force)
633{
634 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
635 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
636 enum drm_connector_status ret = connector_status_disconnected;
637 int r;
638
639 r = pm_runtime_get_sync(connector->dev->dev);
640 if (r < 0)
641 return connector_status_disconnected;
642
643 if (encoder) {
644 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
645 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
646
647 /* check if panel is valid */
648 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
649 ret = connector_status_connected;
650
651 }
652
653 /* check for edid as well */
654 if (radeon_connector->edid)
655 ret = connector_status_connected;
656 else {
657 if (radeon_connector->ddc_bus) {
658 radeon_connector->edid = drm_get_edid(&radeon_connector->base,
659 &radeon_connector->ddc_bus->adapter);
660 if (radeon_connector->edid)
661 ret = connector_status_connected;
662 }
663 }
664 /* check acpi lid status ??? */
665
666 radeon_connector_update_scratch_regs(connector, ret);
667 pm_runtime_mark_last_busy(connector->dev->dev);
668 pm_runtime_put_autosuspend(connector->dev->dev);
669 return ret;
670}
671
672static void radeon_connector_destroy(struct drm_connector *connector)
673{
674 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
675
676 if (radeon_connector->edid)
677 kfree(radeon_connector->edid);
678 kfree(radeon_connector->con_priv);
679 drm_sysfs_connector_remove(connector);
680 drm_connector_cleanup(connector);
681 kfree(connector);
682}
683
684static int radeon_lvds_set_property(struct drm_connector *connector,
685 struct drm_property *property,
686 uint64_t value)
687{
688 struct drm_device *dev = connector->dev;
689 struct radeon_encoder *radeon_encoder;
690 enum radeon_rmx_type rmx_type;
691
692 DRM_DEBUG_KMS("\n");
693 if (property != dev->mode_config.scaling_mode_property)
694 return 0;
695
696 if (connector->encoder)
697 radeon_encoder = to_radeon_encoder(connector->encoder);
698 else {
699 struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
700 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
701 }
702
703 switch (value) {
704 case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
705 case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
706 case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
707 default:
708 case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
709 }
710 if (radeon_encoder->rmx_type == rmx_type)
711 return 0;
712
713 radeon_encoder->rmx_type = rmx_type;
714
715 radeon_property_change_mode(&radeon_encoder->base);
716 return 0;
717}
718
719
720static const struct drm_connector_helper_funcs radeon_lvds_connector_helper_funcs = {
721 .get_modes = radeon_lvds_get_modes,
722 .mode_valid = radeon_lvds_mode_valid,
723 .best_encoder = radeon_best_single_encoder,
724};
725
726static const struct drm_connector_funcs radeon_lvds_connector_funcs = {
727 .dpms = drm_helper_connector_dpms,
728 .detect = radeon_lvds_detect,
729 .fill_modes = drm_helper_probe_single_connector_modes,
730 .destroy = radeon_connector_destroy,
731 .set_property = radeon_lvds_set_property,
732};
733
734static int radeon_vga_get_modes(struct drm_connector *connector)
735{
736 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
737 int ret;
738
739 ret = radeon_ddc_get_modes(radeon_connector);
740
741 return ret;
742}
743
744static int radeon_vga_mode_valid(struct drm_connector *connector,
745 struct drm_display_mode *mode)
746{
747 struct drm_device *dev = connector->dev;
748 struct radeon_device *rdev = dev->dev_private;
749
750 /* XXX check mode bandwidth */
751
752 if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
753 return MODE_CLOCK_HIGH;
754
755 return MODE_OK;
756}
757
758static enum drm_connector_status
759radeon_vga_detect(struct drm_connector *connector, bool force)
760{
761 struct drm_device *dev = connector->dev;
762 struct radeon_device *rdev = dev->dev_private;
763 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
764 struct drm_encoder *encoder;
765 struct drm_encoder_helper_funcs *encoder_funcs;
766 bool dret = false;
767 enum drm_connector_status ret = connector_status_disconnected;
768 int r;
769
770 r = pm_runtime_get_sync(connector->dev->dev);
771 if (r < 0)
772 return connector_status_disconnected;
773
774 encoder = radeon_best_single_encoder(connector);
775 if (!encoder)
776 ret = connector_status_disconnected;
777
778 if (radeon_connector->ddc_bus)
779 dret = radeon_ddc_probe(radeon_connector, false);
780 if (dret) {
781 radeon_connector->detected_by_load = false;
782 if (radeon_connector->edid) {
783 kfree(radeon_connector->edid);
784 radeon_connector->edid = NULL;
785 }
786 radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
787
788 if (!radeon_connector->edid) {
789 DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
790 drm_get_connector_name(connector));
791 ret = connector_status_connected;
792 } else {
793 radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
794
795 /* some oems have boards with separate digital and analog connectors
796 * with a shared ddc line (often vga + hdmi)
797 */
798 if (radeon_connector->use_digital && radeon_connector->shared_ddc) {
799 kfree(radeon_connector->edid);
800 radeon_connector->edid = NULL;
801 ret = connector_status_disconnected;
802 } else
803 ret = connector_status_connected;
804 }
805 } else {
806
807 /* if we aren't forcing don't do destructive polling */
808 if (!force) {
809 /* only return the previous status if we last
810 * detected a monitor via load.
811 */
812 if (radeon_connector->detected_by_load)
813 ret = connector->status;
814 goto out;
815 }
816
817 if (radeon_connector->dac_load_detect && encoder) {
818 encoder_funcs = encoder->helper_private;
819 ret = encoder_funcs->detect(encoder, connector);
820 if (ret != connector_status_disconnected)
821 radeon_connector->detected_by_load = true;
822 }
823 }
824
825 /* XXX Can encoder be null if the connector is connected here? */
826 if (ret == connector_status_connected && encoder)
827 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
828
829 /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
830 * vbios to deal with KVMs. If we have one and are not able to detect a monitor
831 * by other means, assume the CRT is connected and use that EDID.
832 */
833 if ((!rdev->is_atom_bios) &&
834 (ret == connector_status_disconnected) &&
835 rdev->mode_info.bios_hardcoded_edid_size) {
836 ret = connector_status_connected;
837 }
838
839 radeon_connector_update_scratch_regs(connector, ret);
840
841out:
842 pm_runtime_mark_last_busy(connector->dev->dev);
843 pm_runtime_put_autosuspend(connector->dev->dev);
844
845 return ret;
846}
847
848static const struct drm_connector_helper_funcs radeon_vga_connector_helper_funcs = {
849 .get_modes = radeon_vga_get_modes,
850 .mode_valid = radeon_vga_mode_valid,
851 .best_encoder = radeon_best_single_encoder,
852};
853
854static const struct drm_connector_funcs radeon_vga_connector_funcs = {
855 .dpms = drm_helper_connector_dpms,
856 .detect = radeon_vga_detect,
857 .fill_modes = drm_helper_probe_single_connector_modes,
858 .destroy = radeon_connector_destroy,
859 .set_property = radeon_connector_set_property,
860};
861
862static int radeon_tv_get_modes(struct drm_connector *connector)
863{
864 struct drm_device *dev = connector->dev;
865 struct radeon_device *rdev = dev->dev_private;
866 struct drm_display_mode *tv_mode;
867 struct drm_encoder *encoder;
868
869 encoder = radeon_best_single_encoder(connector);
870 if (!encoder)
871 return 0;
872
873 /* avivo chips can scale any mode */
874 if (rdev->family >= CHIP_RS600)
875 /* add scaled modes */
876 radeon_add_common_modes(encoder, connector);
877 else {
878 /* only 800x600 is supported right now on pre-avivo chips */
879 tv_mode = drm_cvt_mode(dev, 800, 600, 60, false, false, false);
880 tv_mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
881 drm_mode_probed_add(connector, tv_mode);
882 }
883 return 1;
884}
885
886static int radeon_tv_mode_valid(struct drm_connector *connector,
887 struct drm_display_mode *mode)
888{
889 if ((mode->hdisplay > 1024) || (mode->vdisplay > 768))
890 return MODE_CLOCK_RANGE;
891 return MODE_OK;
892}
893
894static enum drm_connector_status
895radeon_tv_detect(struct drm_connector *connector, bool force)
896{
897 struct drm_encoder *encoder;
898 struct drm_encoder_helper_funcs *encoder_funcs;
899 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
900 enum drm_connector_status ret = connector_status_disconnected;
901 int r;
902
903 if (!radeon_connector->dac_load_detect)
904 return ret;
905
906 r = pm_runtime_get_sync(connector->dev->dev);
907 if (r < 0)
908 return connector_status_disconnected;
909
910 encoder = radeon_best_single_encoder(connector);
911 if (!encoder)
912 ret = connector_status_disconnected;
913 else {
914 encoder_funcs = encoder->helper_private;
915 ret = encoder_funcs->detect(encoder, connector);
916 }
917 if (ret == connector_status_connected)
918 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, false);
919 radeon_connector_update_scratch_regs(connector, ret);
920 pm_runtime_mark_last_busy(connector->dev->dev);
921 pm_runtime_put_autosuspend(connector->dev->dev);
922 return ret;
923}
924
925static const struct drm_connector_helper_funcs radeon_tv_connector_helper_funcs = {
926 .get_modes = radeon_tv_get_modes,
927 .mode_valid = radeon_tv_mode_valid,
928 .best_encoder = radeon_best_single_encoder,
929};
930
931static const struct drm_connector_funcs radeon_tv_connector_funcs = {
932 .dpms = drm_helper_connector_dpms,
933 .detect = radeon_tv_detect,
934 .fill_modes = drm_helper_probe_single_connector_modes,
935 .destroy = radeon_connector_destroy,
936 .set_property = radeon_connector_set_property,
937};
938
939static int radeon_dvi_get_modes(struct drm_connector *connector)
940{
941 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
942 int ret;
943
944 ret = radeon_ddc_get_modes(radeon_connector);
945 return ret;
946}
947
948static bool radeon_check_hpd_status_unchanged(struct drm_connector *connector)
949{
950 struct drm_device *dev = connector->dev;
951 struct radeon_device *rdev = dev->dev_private;
952 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
953 enum drm_connector_status status;
954
955 /* We only trust HPD on R600 and newer ASICS. */
956 if (rdev->family >= CHIP_R600
957 && radeon_connector->hpd.hpd != RADEON_HPD_NONE) {
958 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd))
959 status = connector_status_connected;
960 else
961 status = connector_status_disconnected;
962 if (connector->status == status)
963 return true;
964 }
965
966 return false;
967}
968
969/*
970 * DVI is complicated
971 * Do a DDC probe, if DDC probe passes, get the full EDID so
972 * we can do analog/digital monitor detection at this point.
973 * If the monitor is an analog monitor or we got no DDC,
974 * we need to find the DAC encoder object for this connector.
975 * If we got no DDC, we do load detection on the DAC encoder object.
976 * If we got analog DDC or load detection passes on the DAC encoder
977 * we have to check if this analog encoder is shared with anyone else (TV)
978 * if its shared we have to set the other connector to disconnected.
979 */
980static enum drm_connector_status
981radeon_dvi_detect(struct drm_connector *connector, bool force)
982{
983 struct drm_device *dev = connector->dev;
984 struct radeon_device *rdev = dev->dev_private;
985 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
986 struct drm_encoder *encoder = NULL;
987 struct drm_encoder_helper_funcs *encoder_funcs;
988 struct drm_mode_object *obj;
989 int i, r;
990 enum drm_connector_status ret = connector_status_disconnected;
991 bool dret = false, broken_edid = false;
992
993 r = pm_runtime_get_sync(connector->dev->dev);
994 if (r < 0)
995 return connector_status_disconnected;
996
997 if (!force && radeon_check_hpd_status_unchanged(connector)) {
998 ret = connector->status;
999 goto exit;
1000 }
1001
1002 if (radeon_connector->ddc_bus)
1003 dret = radeon_ddc_probe(radeon_connector, false);
1004 if (dret) {
1005 radeon_connector->detected_by_load = false;
1006 if (radeon_connector->edid) {
1007 kfree(radeon_connector->edid);
1008 radeon_connector->edid = NULL;
1009 }
1010 radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
1011
1012 if (!radeon_connector->edid) {
1013 DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
1014 drm_get_connector_name(connector));
1015 /* rs690 seems to have a problem with connectors not existing and always
1016 * return a block of 0's. If we see this just stop polling on this output */
1017 if ((rdev->family == CHIP_RS690 || rdev->family == CHIP_RS740) && radeon_connector->base.null_edid_counter) {
1018 ret = connector_status_disconnected;
1019 DRM_ERROR("%s: detected RS690 floating bus bug, stopping ddc detect\n", drm_get_connector_name(connector));
1020 radeon_connector->ddc_bus = NULL;
1021 } else {
1022 ret = connector_status_connected;
1023 broken_edid = true; /* defer use_digital to later */
1024 }
1025 } else {
1026 radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
1027
1028 /* some oems have boards with separate digital and analog connectors
1029 * with a shared ddc line (often vga + hdmi)
1030 */
1031 if ((!radeon_connector->use_digital) && radeon_connector->shared_ddc) {
1032 kfree(radeon_connector->edid);
1033 radeon_connector->edid = NULL;
1034 ret = connector_status_disconnected;
1035 } else
1036 ret = connector_status_connected;
1037
1038 /* This gets complicated. We have boards with VGA + HDMI with a
1039 * shared DDC line and we have boards with DVI-D + HDMI with a shared
1040 * DDC line. The latter is more complex because with DVI<->HDMI adapters
1041 * you don't really know what's connected to which port as both are digital.
1042 */
1043 if (radeon_connector->shared_ddc && (ret == connector_status_connected)) {
1044 struct drm_connector *list_connector;
1045 struct radeon_connector *list_radeon_connector;
1046 list_for_each_entry(list_connector, &dev->mode_config.connector_list, head) {
1047 if (connector == list_connector)
1048 continue;
1049 list_radeon_connector = to_radeon_connector(list_connector);
1050 if (list_radeon_connector->shared_ddc &&
1051 (list_radeon_connector->ddc_bus->rec.i2c_id ==
1052 radeon_connector->ddc_bus->rec.i2c_id)) {
1053 /* cases where both connectors are digital */
1054 if (list_connector->connector_type != DRM_MODE_CONNECTOR_VGA) {
1055 /* hpd is our only option in this case */
1056 if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
1057 kfree(radeon_connector->edid);
1058 radeon_connector->edid = NULL;
1059 ret = connector_status_disconnected;
1060 }
1061 }
1062 }
1063 }
1064 }
1065 }
1066 }
1067
1068 if ((ret == connector_status_connected) && (radeon_connector->use_digital == true))
1069 goto out;
1070
1071 /* DVI-D and HDMI-A are digital only */
1072 if ((connector->connector_type == DRM_MODE_CONNECTOR_DVID) ||
1073 (connector->connector_type == DRM_MODE_CONNECTOR_HDMIA))
1074 goto out;
1075
1076 /* if we aren't forcing don't do destructive polling */
1077 if (!force) {
1078 /* only return the previous status if we last
1079 * detected a monitor via load.
1080 */
1081 if (radeon_connector->detected_by_load)
1082 ret = connector->status;
1083 goto out;
1084 }
1085
1086 /* find analog encoder */
1087 if (radeon_connector->dac_load_detect) {
1088 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1089 if (connector->encoder_ids[i] == 0)
1090 break;
1091
1092 obj = drm_mode_object_find(connector->dev,
1093 connector->encoder_ids[i],
1094 DRM_MODE_OBJECT_ENCODER);
1095 if (!obj)
1096 continue;
1097
1098 encoder = obj_to_encoder(obj);
1099
1100 if (encoder->encoder_type != DRM_MODE_ENCODER_DAC &&
1101 encoder->encoder_type != DRM_MODE_ENCODER_TVDAC)
1102 continue;
1103
1104 encoder_funcs = encoder->helper_private;
1105 if (encoder_funcs->detect) {
1106 if (!broken_edid) {
1107 if (ret != connector_status_connected) {
1108 /* deal with analog monitors without DDC */
1109 ret = encoder_funcs->detect(encoder, connector);
1110 if (ret == connector_status_connected) {
1111 radeon_connector->use_digital = false;
1112 }
1113 if (ret != connector_status_disconnected)
1114 radeon_connector->detected_by_load = true;
1115 }
1116 } else {
1117 enum drm_connector_status lret;
1118 /* assume digital unless load detected otherwise */
1119 radeon_connector->use_digital = true;
1120 lret = encoder_funcs->detect(encoder, connector);
1121 DRM_DEBUG_KMS("load_detect %x returned: %x\n",encoder->encoder_type,lret);
1122 if (lret == connector_status_connected)
1123 radeon_connector->use_digital = false;
1124 }
1125 break;
1126 }
1127 }
1128 }
1129
1130 if ((ret == connector_status_connected) && (radeon_connector->use_digital == false) &&
1131 encoder) {
1132 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
1133 }
1134
1135 /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
1136 * vbios to deal with KVMs. If we have one and are not able to detect a monitor
1137 * by other means, assume the DFP is connected and use that EDID. In most
1138 * cases the DVI port is actually a virtual KVM port connected to the service
1139 * processor.
1140 */
1141out:
1142 if ((!rdev->is_atom_bios) &&
1143 (ret == connector_status_disconnected) &&
1144 rdev->mode_info.bios_hardcoded_edid_size) {
1145 radeon_connector->use_digital = true;
1146 ret = connector_status_connected;
1147 }
1148
1149 /* updated in get modes as well since we need to know if it's analog or digital */
1150 radeon_connector_update_scratch_regs(connector, ret);
1151
1152exit:
1153 pm_runtime_mark_last_busy(connector->dev->dev);
1154 pm_runtime_put_autosuspend(connector->dev->dev);
1155
1156 return ret;
1157}
1158
1159/* okay need to be smart in here about which encoder to pick */
1160static struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector)
1161{
1162 int enc_id = connector->encoder_ids[0];
1163 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1164 struct drm_mode_object *obj;
1165 struct drm_encoder *encoder;
1166 int i;
1167 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1168 if (connector->encoder_ids[i] == 0)
1169 break;
1170
1171 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
1172 if (!obj)
1173 continue;
1174
1175 encoder = obj_to_encoder(obj);
1176
1177 if (radeon_connector->use_digital == true) {
1178 if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)
1179 return encoder;
1180 } else {
1181 if (encoder->encoder_type == DRM_MODE_ENCODER_DAC ||
1182 encoder->encoder_type == DRM_MODE_ENCODER_TVDAC)
1183 return encoder;
1184 }
1185 }
1186
1187 /* see if we have a default encoder TODO */
1188
1189 /* then check use digitial */
1190 /* pick the first one */
1191 if (enc_id) {
1192 obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER);
1193 if (!obj)
1194 return NULL;
1195 encoder = obj_to_encoder(obj);
1196 return encoder;
1197 }
1198 return NULL;
1199}
1200
1201static void radeon_dvi_force(struct drm_connector *connector)
1202{
1203 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1204 if (connector->force == DRM_FORCE_ON)
1205 radeon_connector->use_digital = false;
1206 if (connector->force == DRM_FORCE_ON_DIGITAL)
1207 radeon_connector->use_digital = true;
1208}
1209
1210static int radeon_dvi_mode_valid(struct drm_connector *connector,
1211 struct drm_display_mode *mode)
1212{
1213 struct drm_device *dev = connector->dev;
1214 struct radeon_device *rdev = dev->dev_private;
1215 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1216
1217 /* XXX check mode bandwidth */
1218
1219 /* clocks over 135 MHz have heat issues with DVI on RV100 */
1220 if (radeon_connector->use_digital &&
1221 (rdev->family == CHIP_RV100) &&
1222 (mode->clock > 135000))
1223 return MODE_CLOCK_HIGH;
1224
1225 if (radeon_connector->use_digital && (mode->clock > 165000)) {
1226 if ((radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) ||
1227 (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) ||
1228 (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B))
1229 return MODE_OK;
1230 else if (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_A) {
1231 if (ASIC_IS_DCE6(rdev)) {
1232 /* HDMI 1.3+ supports max clock of 340 Mhz */
1233 if (mode->clock > 340000)
1234 return MODE_CLOCK_HIGH;
1235 else
1236 return MODE_OK;
1237 } else
1238 return MODE_CLOCK_HIGH;
1239 } else
1240 return MODE_CLOCK_HIGH;
1241 }
1242
1243 /* check against the max pixel clock */
1244 if ((mode->clock / 10) > rdev->clock.max_pixel_clock)
1245 return MODE_CLOCK_HIGH;
1246
1247 return MODE_OK;
1248}
1249
1250static const struct drm_connector_helper_funcs radeon_dvi_connector_helper_funcs = {
1251 .get_modes = radeon_dvi_get_modes,
1252 .mode_valid = radeon_dvi_mode_valid,
1253 .best_encoder = radeon_dvi_encoder,
1254};
1255
1256static const struct drm_connector_funcs radeon_dvi_connector_funcs = {
1257 .dpms = drm_helper_connector_dpms,
1258 .detect = radeon_dvi_detect,
1259 .fill_modes = drm_helper_probe_single_connector_modes,
1260 .set_property = radeon_connector_set_property,
1261 .destroy = radeon_connector_destroy,
1262 .force = radeon_dvi_force,
1263};
1264
1265static int radeon_dp_get_modes(struct drm_connector *connector)
1266{
1267 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1268 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1269 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1270 int ret;
1271
1272 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1273 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1274 struct drm_display_mode *mode;
1275
1276 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
1277 if (!radeon_dig_connector->edp_on)
1278 atombios_set_edp_panel_power(connector,
1279 ATOM_TRANSMITTER_ACTION_POWER_ON);
1280 ret = radeon_ddc_get_modes(radeon_connector);
1281 if (!radeon_dig_connector->edp_on)
1282 atombios_set_edp_panel_power(connector,
1283 ATOM_TRANSMITTER_ACTION_POWER_OFF);
1284 } else {
1285 /* need to setup ddc on the bridge */
1286 if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1287 ENCODER_OBJECT_ID_NONE) {
1288 if (encoder)
1289 radeon_atom_ext_encoder_setup_ddc(encoder);
1290 }
1291 ret = radeon_ddc_get_modes(radeon_connector);
1292 }
1293
1294 if (ret > 0) {
1295 if (encoder) {
1296 radeon_fixup_lvds_native_mode(encoder, connector);
1297 /* add scaled modes */
1298 radeon_add_common_modes(encoder, connector);
1299 }
1300 return ret;
1301 }
1302
1303 if (!encoder)
1304 return 0;
1305
1306 /* we have no EDID modes */
1307 mode = radeon_fp_native_mode(encoder);
1308 if (mode) {
1309 ret = 1;
1310 drm_mode_probed_add(connector, mode);
1311 /* add the width/height from vbios tables if available */
1312 connector->display_info.width_mm = mode->width_mm;
1313 connector->display_info.height_mm = mode->height_mm;
1314 /* add scaled modes */
1315 radeon_add_common_modes(encoder, connector);
1316 }
1317 } else {
1318 /* need to setup ddc on the bridge */
1319 if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1320 ENCODER_OBJECT_ID_NONE) {
1321 if (encoder)
1322 radeon_atom_ext_encoder_setup_ddc(encoder);
1323 }
1324 ret = radeon_ddc_get_modes(radeon_connector);
1325 }
1326
1327 return ret;
1328}
1329
1330u16 radeon_connector_encoder_get_dp_bridge_encoder_id(struct drm_connector *connector)
1331{
1332 struct drm_mode_object *obj;
1333 struct drm_encoder *encoder;
1334 struct radeon_encoder *radeon_encoder;
1335 int i;
1336
1337 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1338 if (connector->encoder_ids[i] == 0)
1339 break;
1340
1341 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
1342 if (!obj)
1343 continue;
1344
1345 encoder = obj_to_encoder(obj);
1346 radeon_encoder = to_radeon_encoder(encoder);
1347
1348 switch (radeon_encoder->encoder_id) {
1349 case ENCODER_OBJECT_ID_TRAVIS:
1350 case ENCODER_OBJECT_ID_NUTMEG:
1351 return radeon_encoder->encoder_id;
1352 default:
1353 break;
1354 }
1355 }
1356
1357 return ENCODER_OBJECT_ID_NONE;
1358}
1359
1360bool radeon_connector_encoder_is_hbr2(struct drm_connector *connector)
1361{
1362 struct drm_mode_object *obj;
1363 struct drm_encoder *encoder;
1364 struct radeon_encoder *radeon_encoder;
1365 int i;
1366 bool found = false;
1367
1368 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1369 if (connector->encoder_ids[i] == 0)
1370 break;
1371
1372 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
1373 if (!obj)
1374 continue;
1375
1376 encoder = obj_to_encoder(obj);
1377 radeon_encoder = to_radeon_encoder(encoder);
1378 if (radeon_encoder->caps & ATOM_ENCODER_CAP_RECORD_HBR2)
1379 found = true;
1380 }
1381
1382 return found;
1383}
1384
1385bool radeon_connector_is_dp12_capable(struct drm_connector *connector)
1386{
1387 struct drm_device *dev = connector->dev;
1388 struct radeon_device *rdev = dev->dev_private;
1389
1390 if (ASIC_IS_DCE5(rdev) &&
1391 (rdev->clock.dp_extclk >= 53900) &&
1392 radeon_connector_encoder_is_hbr2(connector)) {
1393 return true;
1394 }
1395
1396 return false;
1397}
1398
1399static enum drm_connector_status
1400radeon_dp_detect(struct drm_connector *connector, bool force)
1401{
1402 struct drm_device *dev = connector->dev;
1403 struct radeon_device *rdev = dev->dev_private;
1404 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1405 enum drm_connector_status ret = connector_status_disconnected;
1406 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1407 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1408 int r;
1409
1410 r = pm_runtime_get_sync(connector->dev->dev);
1411 if (r < 0)
1412 return connector_status_disconnected;
1413
1414 if (!force && radeon_check_hpd_status_unchanged(connector)) {
1415 ret = connector->status;
1416 goto out;
1417 }
1418
1419 if (radeon_connector->edid) {
1420 kfree(radeon_connector->edid);
1421 radeon_connector->edid = NULL;
1422 }
1423
1424 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1425 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1426 if (encoder) {
1427 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1428 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1429
1430 /* check if panel is valid */
1431 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
1432 ret = connector_status_connected;
1433 }
1434 /* eDP is always DP */
1435 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1436 if (!radeon_dig_connector->edp_on)
1437 atombios_set_edp_panel_power(connector,
1438 ATOM_TRANSMITTER_ACTION_POWER_ON);
1439 if (radeon_dp_getdpcd(radeon_connector))
1440 ret = connector_status_connected;
1441 if (!radeon_dig_connector->edp_on)
1442 atombios_set_edp_panel_power(connector,
1443 ATOM_TRANSMITTER_ACTION_POWER_OFF);
1444 } else if (radeon_connector_encoder_get_dp_bridge_encoder_id(connector) !=
1445 ENCODER_OBJECT_ID_NONE) {
1446 /* DP bridges are always DP */
1447 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1448 /* get the DPCD from the bridge */
1449 radeon_dp_getdpcd(radeon_connector);
1450
1451 if (encoder) {
1452 /* setup ddc on the bridge */
1453 radeon_atom_ext_encoder_setup_ddc(encoder);
1454 /* bridge chips are always aux */
1455 if (radeon_ddc_probe(radeon_connector, true)) /* try DDC */
1456 ret = connector_status_connected;
1457 else if (radeon_connector->dac_load_detect) { /* try load detection */
1458 struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private;
1459 ret = encoder_funcs->detect(encoder, connector);
1460 }
1461 }
1462 } else {
1463 radeon_dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector);
1464 if (radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
1465 ret = connector_status_connected;
1466 if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT)
1467 radeon_dp_getdpcd(radeon_connector);
1468 } else {
1469 if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
1470 if (radeon_dp_getdpcd(radeon_connector))
1471 ret = connector_status_connected;
1472 } else {
1473 /* try non-aux ddc (DP to DVI/HDMI/etc. adapter) */
1474 if (radeon_ddc_probe(radeon_connector, false))
1475 ret = connector_status_connected;
1476 }
1477 }
1478 }
1479
1480 radeon_connector_update_scratch_regs(connector, ret);
1481out:
1482 pm_runtime_mark_last_busy(connector->dev->dev);
1483 pm_runtime_put_autosuspend(connector->dev->dev);
1484
1485 return ret;
1486}
1487
1488static int radeon_dp_mode_valid(struct drm_connector *connector,
1489 struct drm_display_mode *mode)
1490{
1491 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1492 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1493
1494 /* XXX check mode bandwidth */
1495
1496 if ((connector->connector_type == DRM_MODE_CONNECTOR_eDP) ||
1497 (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)) {
1498 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
1499
1500 if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
1501 return MODE_PANEL;
1502
1503 if (encoder) {
1504 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1505 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
1506
1507 /* AVIVO hardware supports downscaling modes larger than the panel
1508 * to the panel size, but I'm not sure this is desirable.
1509 */
1510 if ((mode->hdisplay > native_mode->hdisplay) ||
1511 (mode->vdisplay > native_mode->vdisplay))
1512 return MODE_PANEL;
1513
1514 /* if scaling is disabled, block non-native modes */
1515 if (radeon_encoder->rmx_type == RMX_OFF) {
1516 if ((mode->hdisplay != native_mode->hdisplay) ||
1517 (mode->vdisplay != native_mode->vdisplay))
1518 return MODE_PANEL;
1519 }
1520 }
1521 return MODE_OK;
1522 } else {
1523 if ((radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
1524 (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP))
1525 return radeon_dp_mode_valid_helper(connector, mode);
1526 else
1527 return MODE_OK;
1528 }
1529}
1530
1531static const struct drm_connector_helper_funcs radeon_dp_connector_helper_funcs = {
1532 .get_modes = radeon_dp_get_modes,
1533 .mode_valid = radeon_dp_mode_valid,
1534 .best_encoder = radeon_dvi_encoder,
1535};
1536
1537static const struct drm_connector_funcs radeon_dp_connector_funcs = {
1538 .dpms = drm_helper_connector_dpms,
1539 .detect = radeon_dp_detect,
1540 .fill_modes = drm_helper_probe_single_connector_modes,
1541 .set_property = radeon_connector_set_property,
1542 .destroy = radeon_connector_destroy,
1543 .force = radeon_dvi_force,
1544};
1545
1546static const struct drm_connector_funcs radeon_edp_connector_funcs = {
1547 .dpms = drm_helper_connector_dpms,
1548 .detect = radeon_dp_detect,
1549 .fill_modes = drm_helper_probe_single_connector_modes,
1550 .set_property = radeon_lvds_set_property,
1551 .destroy = radeon_connector_destroy,
1552 .force = radeon_dvi_force,
1553};
1554
1555static const struct drm_connector_funcs radeon_lvds_bridge_connector_funcs = {
1556 .dpms = drm_helper_connector_dpms,
1557 .detect = radeon_dp_detect,
1558 .fill_modes = drm_helper_probe_single_connector_modes,
1559 .set_property = radeon_lvds_set_property,
1560 .destroy = radeon_connector_destroy,
1561 .force = radeon_dvi_force,
1562};
1563
1564void
1565radeon_add_atom_connector(struct drm_device *dev,
1566 uint32_t connector_id,
1567 uint32_t supported_device,
1568 int connector_type,
1569 struct radeon_i2c_bus_rec *i2c_bus,
1570 uint32_t igp_lane_info,
1571 uint16_t connector_object_id,
1572 struct radeon_hpd *hpd,
1573 struct radeon_router *router)
1574{
1575 struct radeon_device *rdev = dev->dev_private;
1576 struct drm_connector *connector;
1577 struct radeon_connector *radeon_connector;
1578 struct radeon_connector_atom_dig *radeon_dig_connector;
1579 struct drm_encoder *encoder;
1580 struct radeon_encoder *radeon_encoder;
1581 uint32_t subpixel_order = SubPixelNone;
1582 bool shared_ddc = false;
1583 bool is_dp_bridge = false;
1584 bool has_aux = false;
1585
1586 if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1587 return;
1588
1589 /* if the user selected tv=0 don't try and add the connector */
1590 if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
1591 (connector_type == DRM_MODE_CONNECTOR_Composite) ||
1592 (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
1593 (radeon_tv == 0))
1594 return;
1595
1596 /* see if we already added it */
1597 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1598 radeon_connector = to_radeon_connector(connector);
1599 if (radeon_connector->connector_id == connector_id) {
1600 radeon_connector->devices |= supported_device;
1601 return;
1602 }
1603 if (radeon_connector->ddc_bus && i2c_bus->valid) {
1604 if (radeon_connector->ddc_bus->rec.i2c_id == i2c_bus->i2c_id) {
1605 radeon_connector->shared_ddc = true;
1606 shared_ddc = true;
1607 }
1608 if (radeon_connector->router_bus && router->ddc_valid &&
1609 (radeon_connector->router.router_id == router->router_id)) {
1610 radeon_connector->shared_ddc = false;
1611 shared_ddc = false;
1612 }
1613 }
1614 }
1615
1616 /* check if it's a dp bridge */
1617 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
1618 radeon_encoder = to_radeon_encoder(encoder);
1619 if (radeon_encoder->devices & supported_device) {
1620 switch (radeon_encoder->encoder_id) {
1621 case ENCODER_OBJECT_ID_TRAVIS:
1622 case ENCODER_OBJECT_ID_NUTMEG:
1623 is_dp_bridge = true;
1624 break;
1625 default:
1626 break;
1627 }
1628 }
1629 }
1630
1631 radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1632 if (!radeon_connector)
1633 return;
1634
1635 connector = &radeon_connector->base;
1636
1637 radeon_connector->connector_id = connector_id;
1638 radeon_connector->devices = supported_device;
1639 radeon_connector->shared_ddc = shared_ddc;
1640 radeon_connector->connector_object_id = connector_object_id;
1641 radeon_connector->hpd = *hpd;
1642
1643 radeon_connector->router = *router;
1644 if (router->ddc_valid || router->cd_valid) {
1645 radeon_connector->router_bus = radeon_i2c_lookup(rdev, &router->i2c_info);
1646 if (!radeon_connector->router_bus)
1647 DRM_ERROR("Failed to assign router i2c bus! Check dmesg for i2c errors.\n");
1648 }
1649
1650 if (is_dp_bridge) {
1651 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1652 if (!radeon_dig_connector)
1653 goto failed;
1654 radeon_dig_connector->igp_lane_info = igp_lane_info;
1655 radeon_connector->con_priv = radeon_dig_connector;
1656 if (i2c_bus->valid) {
1657 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1658 if (radeon_connector->ddc_bus)
1659 has_aux = true;
1660 else
1661 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1662 }
1663 switch (connector_type) {
1664 case DRM_MODE_CONNECTOR_VGA:
1665 case DRM_MODE_CONNECTOR_DVIA:
1666 default:
1667 drm_connector_init(dev, &radeon_connector->base,
1668 &radeon_dp_connector_funcs, connector_type);
1669 drm_connector_helper_add(&radeon_connector->base,
1670 &radeon_dp_connector_helper_funcs);
1671 connector->interlace_allowed = true;
1672 connector->doublescan_allowed = true;
1673 radeon_connector->dac_load_detect = true;
1674 drm_object_attach_property(&radeon_connector->base.base,
1675 rdev->mode_info.load_detect_property,
1676 1);
1677 break;
1678 case DRM_MODE_CONNECTOR_DVII:
1679 case DRM_MODE_CONNECTOR_DVID:
1680 case DRM_MODE_CONNECTOR_HDMIA:
1681 case DRM_MODE_CONNECTOR_HDMIB:
1682 case DRM_MODE_CONNECTOR_DisplayPort:
1683 drm_connector_init(dev, &radeon_connector->base,
1684 &radeon_dp_connector_funcs, connector_type);
1685 drm_connector_helper_add(&radeon_connector->base,
1686 &radeon_dp_connector_helper_funcs);
1687 drm_object_attach_property(&radeon_connector->base.base,
1688 rdev->mode_info.underscan_property,
1689 UNDERSCAN_OFF);
1690 drm_object_attach_property(&radeon_connector->base.base,
1691 rdev->mode_info.underscan_hborder_property,
1692 0);
1693 drm_object_attach_property(&radeon_connector->base.base,
1694 rdev->mode_info.underscan_vborder_property,
1695 0);
1696
1697 drm_object_attach_property(&radeon_connector->base.base,
1698 rdev->mode_info.dither_property,
1699 RADEON_FMT_DITHER_DISABLE);
1700
1701 if (radeon_audio != 0)
1702 drm_object_attach_property(&radeon_connector->base.base,
1703 rdev->mode_info.audio_property,
1704 RADEON_AUDIO_AUTO);
1705
1706 subpixel_order = SubPixelHorizontalRGB;
1707 connector->interlace_allowed = true;
1708 if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
1709 connector->doublescan_allowed = true;
1710 else
1711 connector->doublescan_allowed = false;
1712 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1713 radeon_connector->dac_load_detect = true;
1714 drm_object_attach_property(&radeon_connector->base.base,
1715 rdev->mode_info.load_detect_property,
1716 1);
1717 }
1718 break;
1719 case DRM_MODE_CONNECTOR_LVDS:
1720 case DRM_MODE_CONNECTOR_eDP:
1721 drm_connector_init(dev, &radeon_connector->base,
1722 &radeon_lvds_bridge_connector_funcs, connector_type);
1723 drm_connector_helper_add(&radeon_connector->base,
1724 &radeon_dp_connector_helper_funcs);
1725 drm_object_attach_property(&radeon_connector->base.base,
1726 dev->mode_config.scaling_mode_property,
1727 DRM_MODE_SCALE_FULLSCREEN);
1728 subpixel_order = SubPixelHorizontalRGB;
1729 connector->interlace_allowed = false;
1730 connector->doublescan_allowed = false;
1731 break;
1732 }
1733 } else {
1734 switch (connector_type) {
1735 case DRM_MODE_CONNECTOR_VGA:
1736 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1737 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1738 if (i2c_bus->valid) {
1739 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1740 if (!radeon_connector->ddc_bus)
1741 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1742 }
1743 radeon_connector->dac_load_detect = true;
1744 drm_object_attach_property(&radeon_connector->base.base,
1745 rdev->mode_info.load_detect_property,
1746 1);
1747 /* no HPD on analog connectors */
1748 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1749 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1750 connector->interlace_allowed = true;
1751 connector->doublescan_allowed = true;
1752 break;
1753 case DRM_MODE_CONNECTOR_DVIA:
1754 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1755 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1756 if (i2c_bus->valid) {
1757 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1758 if (!radeon_connector->ddc_bus)
1759 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1760 }
1761 radeon_connector->dac_load_detect = true;
1762 drm_object_attach_property(&radeon_connector->base.base,
1763 rdev->mode_info.load_detect_property,
1764 1);
1765 /* no HPD on analog connectors */
1766 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1767 connector->interlace_allowed = true;
1768 connector->doublescan_allowed = true;
1769 break;
1770 case DRM_MODE_CONNECTOR_DVII:
1771 case DRM_MODE_CONNECTOR_DVID:
1772 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1773 if (!radeon_dig_connector)
1774 goto failed;
1775 radeon_dig_connector->igp_lane_info = igp_lane_info;
1776 radeon_connector->con_priv = radeon_dig_connector;
1777 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1778 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1779 if (i2c_bus->valid) {
1780 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1781 if (!radeon_connector->ddc_bus)
1782 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1783 }
1784 subpixel_order = SubPixelHorizontalRGB;
1785 drm_object_attach_property(&radeon_connector->base.base,
1786 rdev->mode_info.coherent_mode_property,
1787 1);
1788 if (ASIC_IS_AVIVO(rdev)) {
1789 drm_object_attach_property(&radeon_connector->base.base,
1790 rdev->mode_info.underscan_property,
1791 UNDERSCAN_OFF);
1792 drm_object_attach_property(&radeon_connector->base.base,
1793 rdev->mode_info.underscan_hborder_property,
1794 0);
1795 drm_object_attach_property(&radeon_connector->base.base,
1796 rdev->mode_info.underscan_vborder_property,
1797 0);
1798 }
1799 if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
1800 drm_object_attach_property(&radeon_connector->base.base,
1801 rdev->mode_info.audio_property,
1802 RADEON_AUDIO_AUTO);
1803 }
1804 if (ASIC_IS_AVIVO(rdev)) {
1805 drm_object_attach_property(&radeon_connector->base.base,
1806 rdev->mode_info.dither_property,
1807 RADEON_FMT_DITHER_DISABLE);
1808 }
1809 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1810 radeon_connector->dac_load_detect = true;
1811 drm_object_attach_property(&radeon_connector->base.base,
1812 rdev->mode_info.load_detect_property,
1813 1);
1814 }
1815 connector->interlace_allowed = true;
1816 if (connector_type == DRM_MODE_CONNECTOR_DVII)
1817 connector->doublescan_allowed = true;
1818 else
1819 connector->doublescan_allowed = false;
1820 break;
1821 case DRM_MODE_CONNECTOR_HDMIA:
1822 case DRM_MODE_CONNECTOR_HDMIB:
1823 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1824 if (!radeon_dig_connector)
1825 goto failed;
1826 radeon_dig_connector->igp_lane_info = igp_lane_info;
1827 radeon_connector->con_priv = radeon_dig_connector;
1828 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1829 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1830 if (i2c_bus->valid) {
1831 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1832 if (!radeon_connector->ddc_bus)
1833 DRM_ERROR("HDMI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1834 }
1835 drm_object_attach_property(&radeon_connector->base.base,
1836 rdev->mode_info.coherent_mode_property,
1837 1);
1838 if (ASIC_IS_AVIVO(rdev)) {
1839 drm_object_attach_property(&radeon_connector->base.base,
1840 rdev->mode_info.underscan_property,
1841 UNDERSCAN_OFF);
1842 drm_object_attach_property(&radeon_connector->base.base,
1843 rdev->mode_info.underscan_hborder_property,
1844 0);
1845 drm_object_attach_property(&radeon_connector->base.base,
1846 rdev->mode_info.underscan_vborder_property,
1847 0);
1848 }
1849 if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
1850 drm_object_attach_property(&radeon_connector->base.base,
1851 rdev->mode_info.audio_property,
1852 RADEON_AUDIO_AUTO);
1853 }
1854 if (ASIC_IS_AVIVO(rdev)) {
1855 drm_object_attach_property(&radeon_connector->base.base,
1856 rdev->mode_info.dither_property,
1857 RADEON_FMT_DITHER_DISABLE);
1858 }
1859 subpixel_order = SubPixelHorizontalRGB;
1860 connector->interlace_allowed = true;
1861 if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
1862 connector->doublescan_allowed = true;
1863 else
1864 connector->doublescan_allowed = false;
1865 break;
1866 case DRM_MODE_CONNECTOR_DisplayPort:
1867 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1868 if (!radeon_dig_connector)
1869 goto failed;
1870 radeon_dig_connector->igp_lane_info = igp_lane_info;
1871 radeon_connector->con_priv = radeon_dig_connector;
1872 drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
1873 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
1874 if (i2c_bus->valid) {
1875 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1876 if (radeon_connector->ddc_bus)
1877 has_aux = true;
1878 else
1879 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1880 }
1881 subpixel_order = SubPixelHorizontalRGB;
1882 drm_object_attach_property(&radeon_connector->base.base,
1883 rdev->mode_info.coherent_mode_property,
1884 1);
1885 if (ASIC_IS_AVIVO(rdev)) {
1886 drm_object_attach_property(&radeon_connector->base.base,
1887 rdev->mode_info.underscan_property,
1888 UNDERSCAN_OFF);
1889 drm_object_attach_property(&radeon_connector->base.base,
1890 rdev->mode_info.underscan_hborder_property,
1891 0);
1892 drm_object_attach_property(&radeon_connector->base.base,
1893 rdev->mode_info.underscan_vborder_property,
1894 0);
1895 }
1896 if (ASIC_IS_DCE2(rdev) && (radeon_audio != 0)) {
1897 drm_object_attach_property(&radeon_connector->base.base,
1898 rdev->mode_info.audio_property,
1899 RADEON_AUDIO_AUTO);
1900 }
1901 if (ASIC_IS_AVIVO(rdev)) {
1902 drm_object_attach_property(&radeon_connector->base.base,
1903 rdev->mode_info.dither_property,
1904 RADEON_FMT_DITHER_DISABLE);
1905
1906 }
1907 connector->interlace_allowed = true;
1908 /* in theory with a DP to VGA converter... */
1909 connector->doublescan_allowed = false;
1910 break;
1911 case DRM_MODE_CONNECTOR_eDP:
1912 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1913 if (!radeon_dig_connector)
1914 goto failed;
1915 radeon_dig_connector->igp_lane_info = igp_lane_info;
1916 radeon_connector->con_priv = radeon_dig_connector;
1917 drm_connector_init(dev, &radeon_connector->base, &radeon_edp_connector_funcs, connector_type);
1918 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
1919 if (i2c_bus->valid) {
1920 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1921 if (radeon_connector->ddc_bus)
1922 has_aux = true;
1923 else
1924 DRM_ERROR("DP: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1925 }
1926 drm_object_attach_property(&radeon_connector->base.base,
1927 dev->mode_config.scaling_mode_property,
1928 DRM_MODE_SCALE_FULLSCREEN);
1929 subpixel_order = SubPixelHorizontalRGB;
1930 connector->interlace_allowed = false;
1931 connector->doublescan_allowed = false;
1932 break;
1933 case DRM_MODE_CONNECTOR_SVIDEO:
1934 case DRM_MODE_CONNECTOR_Composite:
1935 case DRM_MODE_CONNECTOR_9PinDIN:
1936 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
1937 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
1938 radeon_connector->dac_load_detect = true;
1939 drm_object_attach_property(&radeon_connector->base.base,
1940 rdev->mode_info.load_detect_property,
1941 1);
1942 drm_object_attach_property(&radeon_connector->base.base,
1943 rdev->mode_info.tv_std_property,
1944 radeon_atombios_get_tv_info(rdev));
1945 /* no HPD on analog connectors */
1946 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1947 connector->interlace_allowed = false;
1948 connector->doublescan_allowed = false;
1949 break;
1950 case DRM_MODE_CONNECTOR_LVDS:
1951 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1952 if (!radeon_dig_connector)
1953 goto failed;
1954 radeon_dig_connector->igp_lane_info = igp_lane_info;
1955 radeon_connector->con_priv = radeon_dig_connector;
1956 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
1957 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
1958 if (i2c_bus->valid) {
1959 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1960 if (!radeon_connector->ddc_bus)
1961 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
1962 }
1963 drm_object_attach_property(&radeon_connector->base.base,
1964 dev->mode_config.scaling_mode_property,
1965 DRM_MODE_SCALE_FULLSCREEN);
1966 subpixel_order = SubPixelHorizontalRGB;
1967 connector->interlace_allowed = false;
1968 connector->doublescan_allowed = false;
1969 break;
1970 }
1971 }
1972
1973 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
1974 if (i2c_bus->valid)
1975 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1976 } else
1977 connector->polled = DRM_CONNECTOR_POLL_HPD;
1978
1979 connector->display_info.subpixel_order = subpixel_order;
1980 drm_sysfs_connector_add(connector);
1981
1982 if (has_aux)
1983 radeon_dp_aux_init(radeon_connector);
1984
1985 return;
1986
1987failed:
1988 drm_connector_cleanup(connector);
1989 kfree(connector);
1990}
1991
1992void
1993radeon_add_legacy_connector(struct drm_device *dev,
1994 uint32_t connector_id,
1995 uint32_t supported_device,
1996 int connector_type,
1997 struct radeon_i2c_bus_rec *i2c_bus,
1998 uint16_t connector_object_id,
1999 struct radeon_hpd *hpd)
2000{
2001 struct radeon_device *rdev = dev->dev_private;
2002 struct drm_connector *connector;
2003 struct radeon_connector *radeon_connector;
2004 uint32_t subpixel_order = SubPixelNone;
2005
2006 if (connector_type == DRM_MODE_CONNECTOR_Unknown)
2007 return;
2008
2009 /* if the user selected tv=0 don't try and add the connector */
2010 if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
2011 (connector_type == DRM_MODE_CONNECTOR_Composite) ||
2012 (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
2013 (radeon_tv == 0))
2014 return;
2015
2016 /* see if we already added it */
2017 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
2018 radeon_connector = to_radeon_connector(connector);
2019 if (radeon_connector->connector_id == connector_id) {
2020 radeon_connector->devices |= supported_device;
2021 return;
2022 }
2023 }
2024
2025 radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
2026 if (!radeon_connector)
2027 return;
2028
2029 connector = &radeon_connector->base;
2030
2031 radeon_connector->connector_id = connector_id;
2032 radeon_connector->devices = supported_device;
2033 radeon_connector->connector_object_id = connector_object_id;
2034 radeon_connector->hpd = *hpd;
2035
2036 switch (connector_type) {
2037 case DRM_MODE_CONNECTOR_VGA:
2038 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
2039 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2040 if (i2c_bus->valid) {
2041 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2042 if (!radeon_connector->ddc_bus)
2043 DRM_ERROR("VGA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2044 }
2045 radeon_connector->dac_load_detect = true;
2046 drm_object_attach_property(&radeon_connector->base.base,
2047 rdev->mode_info.load_detect_property,
2048 1);
2049 /* no HPD on analog connectors */
2050 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2051 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
2052 connector->interlace_allowed = true;
2053 connector->doublescan_allowed = true;
2054 break;
2055 case DRM_MODE_CONNECTOR_DVIA:
2056 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
2057 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
2058 if (i2c_bus->valid) {
2059 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2060 if (!radeon_connector->ddc_bus)
2061 DRM_ERROR("DVIA: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2062 }
2063 radeon_connector->dac_load_detect = true;
2064 drm_object_attach_property(&radeon_connector->base.base,
2065 rdev->mode_info.load_detect_property,
2066 1);
2067 /* no HPD on analog connectors */
2068 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2069 connector->interlace_allowed = true;
2070 connector->doublescan_allowed = true;
2071 break;
2072 case DRM_MODE_CONNECTOR_DVII:
2073 case DRM_MODE_CONNECTOR_DVID:
2074 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
2075 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
2076 if (i2c_bus->valid) {
2077 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2078 if (!radeon_connector->ddc_bus)
2079 DRM_ERROR("DVI: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2080 }
2081 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
2082 radeon_connector->dac_load_detect = true;
2083 drm_object_attach_property(&radeon_connector->base.base,
2084 rdev->mode_info.load_detect_property,
2085 1);
2086 }
2087 subpixel_order = SubPixelHorizontalRGB;
2088 connector->interlace_allowed = true;
2089 if (connector_type == DRM_MODE_CONNECTOR_DVII)
2090 connector->doublescan_allowed = true;
2091 else
2092 connector->doublescan_allowed = false;
2093 break;
2094 case DRM_MODE_CONNECTOR_SVIDEO:
2095 case DRM_MODE_CONNECTOR_Composite:
2096 case DRM_MODE_CONNECTOR_9PinDIN:
2097 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
2098 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
2099 radeon_connector->dac_load_detect = true;
2100 /* RS400,RC410,RS480 chipset seems to report a lot
2101 * of false positive on load detect, we haven't yet
2102 * found a way to make load detect reliable on those
2103 * chipset, thus just disable it for TV.
2104 */
2105 if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480)
2106 radeon_connector->dac_load_detect = false;
2107 drm_object_attach_property(&radeon_connector->base.base,
2108 rdev->mode_info.load_detect_property,
2109 radeon_connector->dac_load_detect);
2110 drm_object_attach_property(&radeon_connector->base.base,
2111 rdev->mode_info.tv_std_property,
2112 radeon_combios_get_tv_info(rdev));
2113 /* no HPD on analog connectors */
2114 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
2115 connector->interlace_allowed = false;
2116 connector->doublescan_allowed = false;
2117 break;
2118 case DRM_MODE_CONNECTOR_LVDS:
2119 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
2120 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
2121 if (i2c_bus->valid) {
2122 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
2123 if (!radeon_connector->ddc_bus)
2124 DRM_ERROR("LVDS: Failed to assign ddc bus! Check dmesg for i2c errors.\n");
2125 }
2126 drm_object_attach_property(&radeon_connector->base.base,
2127 dev->mode_config.scaling_mode_property,
2128 DRM_MODE_SCALE_FULLSCREEN);
2129 subpixel_order = SubPixelHorizontalRGB;
2130 connector->interlace_allowed = false;
2131 connector->doublescan_allowed = false;
2132 break;
2133 }
2134
2135 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
2136 if (i2c_bus->valid)
2137 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
2138 } else
2139 connector->polled = DRM_CONNECTOR_POLL_HPD;
2140 connector->display_info.subpixel_order = subpixel_order;
2141 drm_sysfs_connector_add(connector);
2142}
2143