]> git.proxmox.com Git - mirror_ubuntu-bionic-kernel.git/blob - drivers/gpu/drm/radeon/radeon_connectors.c
Merge branch 'drm-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied...
[mirror_ubuntu-bionic-kernel.git] / drivers / gpu / drm / radeon / radeon_connectors.c
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 "drmP.h"
27 #include "drm_edid.h"
28 #include "drm_crtc_helper.h"
29 #include "drm_fb_helper.h"
30 #include "radeon_drm.h"
31 #include "radeon.h"
32 #include "atom.h"
33
34 extern void
35 radeon_combios_connected_scratch_regs(struct drm_connector *connector,
36 struct drm_encoder *encoder,
37 bool connected);
38 extern void
39 radeon_atombios_connected_scratch_regs(struct drm_connector *connector,
40 struct drm_encoder *encoder,
41 bool connected);
42
43 static void radeon_property_change_mode(struct drm_encoder *encoder)
44 {
45 struct drm_crtc *crtc = encoder->crtc;
46
47 if (crtc && crtc->enabled) {
48 drm_crtc_helper_set_mode(crtc, &crtc->mode,
49 crtc->x, crtc->y, crtc->fb);
50 }
51 }
52 static void
53 radeon_connector_update_scratch_regs(struct drm_connector *connector, enum drm_connector_status status)
54 {
55 struct drm_device *dev = connector->dev;
56 struct radeon_device *rdev = dev->dev_private;
57 struct drm_encoder *best_encoder = NULL;
58 struct drm_encoder *encoder = NULL;
59 struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
60 struct drm_mode_object *obj;
61 bool connected;
62 int i;
63
64 best_encoder = connector_funcs->best_encoder(connector);
65
66 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
67 if (connector->encoder_ids[i] == 0)
68 break;
69
70 obj = drm_mode_object_find(connector->dev,
71 connector->encoder_ids[i],
72 DRM_MODE_OBJECT_ENCODER);
73 if (!obj)
74 continue;
75
76 encoder = obj_to_encoder(obj);
77
78 if ((encoder == best_encoder) && (status == connector_status_connected))
79 connected = true;
80 else
81 connected = false;
82
83 if (rdev->is_atom_bios)
84 radeon_atombios_connected_scratch_regs(connector, encoder, connected);
85 else
86 radeon_combios_connected_scratch_regs(connector, encoder, connected);
87
88 }
89 }
90
91 struct drm_encoder *radeon_find_encoder(struct drm_connector *connector, int encoder_type)
92 {
93 struct drm_mode_object *obj;
94 struct drm_encoder *encoder;
95 int i;
96
97 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
98 if (connector->encoder_ids[i] == 0)
99 break;
100
101 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
102 if (!obj)
103 continue;
104
105 encoder = obj_to_encoder(obj);
106 if (encoder->encoder_type == encoder_type)
107 return encoder;
108 }
109 return NULL;
110 }
111
112 struct drm_encoder *radeon_best_single_encoder(struct drm_connector *connector)
113 {
114 int enc_id = connector->encoder_ids[0];
115 struct drm_mode_object *obj;
116 struct drm_encoder *encoder;
117
118 /* pick the encoder ids */
119 if (enc_id) {
120 obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER);
121 if (!obj)
122 return NULL;
123 encoder = obj_to_encoder(obj);
124 return encoder;
125 }
126 return NULL;
127 }
128
129 /*
130 * radeon_connector_analog_encoder_conflict_solve
131 * - search for other connectors sharing this encoder
132 * if priority is true, then set them disconnected if this is connected
133 * if priority is false, set us disconnected if they are connected
134 */
135 static enum drm_connector_status
136 radeon_connector_analog_encoder_conflict_solve(struct drm_connector *connector,
137 struct drm_encoder *encoder,
138 enum drm_connector_status current_status,
139 bool priority)
140 {
141 struct drm_device *dev = connector->dev;
142 struct drm_connector *conflict;
143 int i;
144
145 list_for_each_entry(conflict, &dev->mode_config.connector_list, head) {
146 if (conflict == connector)
147 continue;
148
149 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
150 if (conflict->encoder_ids[i] == 0)
151 break;
152
153 /* if the IDs match */
154 if (conflict->encoder_ids[i] == encoder->base.id) {
155 if (conflict->status != connector_status_connected)
156 continue;
157
158 if (priority == true) {
159 DRM_INFO("1: conflicting encoders switching off %s\n", drm_get_connector_name(conflict));
160 DRM_INFO("in favor of %s\n", drm_get_connector_name(connector));
161 conflict->status = connector_status_disconnected;
162 radeon_connector_update_scratch_regs(conflict, connector_status_disconnected);
163 } else {
164 DRM_INFO("2: conflicting encoders switching off %s\n", drm_get_connector_name(connector));
165 DRM_INFO("in favor of %s\n", drm_get_connector_name(conflict));
166 current_status = connector_status_disconnected;
167 }
168 break;
169 }
170 }
171 }
172 return current_status;
173
174 }
175
176 static struct drm_display_mode *radeon_fp_native_mode(struct drm_encoder *encoder)
177 {
178 struct drm_device *dev = encoder->dev;
179 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
180 struct drm_display_mode *mode = NULL;
181 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
182
183 if (native_mode->hdisplay != 0 &&
184 native_mode->vdisplay != 0 &&
185 native_mode->clock != 0) {
186 mode = drm_mode_duplicate(dev, native_mode);
187 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
188 drm_mode_set_name(mode);
189
190 DRM_DEBUG("Adding native panel mode %s\n", mode->name);
191 }
192 return mode;
193 }
194
195 static void radeon_add_common_modes(struct drm_encoder *encoder, struct drm_connector *connector)
196 {
197 struct drm_device *dev = encoder->dev;
198 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
199 struct drm_display_mode *mode = NULL;
200 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
201 int i;
202 struct mode_size {
203 int w;
204 int h;
205 } common_modes[17] = {
206 { 640, 480},
207 { 720, 480},
208 { 800, 600},
209 { 848, 480},
210 {1024, 768},
211 {1152, 768},
212 {1280, 720},
213 {1280, 800},
214 {1280, 854},
215 {1280, 960},
216 {1280, 1024},
217 {1440, 900},
218 {1400, 1050},
219 {1680, 1050},
220 {1600, 1200},
221 {1920, 1080},
222 {1920, 1200}
223 };
224
225 for (i = 0; i < 17; i++) {
226 if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) {
227 if (common_modes[i].w > 1024 ||
228 common_modes[i].h > 768)
229 continue;
230 }
231 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
232 if (common_modes[i].w > native_mode->hdisplay ||
233 common_modes[i].h > native_mode->vdisplay ||
234 (common_modes[i].w == native_mode->hdisplay &&
235 common_modes[i].h == native_mode->vdisplay))
236 continue;
237 }
238 if (common_modes[i].w < 320 || common_modes[i].h < 200)
239 continue;
240
241 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 60, false, false, false);
242 drm_mode_probed_add(connector, mode);
243 }
244 }
245
246 int radeon_connector_set_property(struct drm_connector *connector, struct drm_property *property,
247 uint64_t val)
248 {
249 struct drm_device *dev = connector->dev;
250 struct radeon_device *rdev = dev->dev_private;
251 struct drm_encoder *encoder;
252 struct radeon_encoder *radeon_encoder;
253
254 if (property == rdev->mode_info.coherent_mode_property) {
255 struct radeon_encoder_atom_dig *dig;
256
257 /* need to find digital encoder on connector */
258 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
259 if (!encoder)
260 return 0;
261
262 radeon_encoder = to_radeon_encoder(encoder);
263
264 if (!radeon_encoder->enc_priv)
265 return 0;
266
267 dig = radeon_encoder->enc_priv;
268 dig->coherent_mode = val ? true : false;
269 radeon_property_change_mode(&radeon_encoder->base);
270 }
271
272 if (property == rdev->mode_info.tv_std_property) {
273 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TVDAC);
274 if (!encoder) {
275 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_DAC);
276 }
277
278 if (!encoder)
279 return 0;
280
281 radeon_encoder = to_radeon_encoder(encoder);
282 if (!radeon_encoder->enc_priv)
283 return 0;
284 if (rdev->is_atom_bios) {
285 struct radeon_encoder_atom_dac *dac_int;
286 dac_int = radeon_encoder->enc_priv;
287 dac_int->tv_std = val;
288 } else {
289 struct radeon_encoder_tv_dac *dac_int;
290 dac_int = radeon_encoder->enc_priv;
291 dac_int->tv_std = val;
292 }
293 radeon_property_change_mode(&radeon_encoder->base);
294 }
295
296 if (property == rdev->mode_info.load_detect_property) {
297 struct radeon_connector *radeon_connector =
298 to_radeon_connector(connector);
299
300 if (val == 0)
301 radeon_connector->dac_load_detect = false;
302 else
303 radeon_connector->dac_load_detect = true;
304 }
305
306 if (property == rdev->mode_info.tmds_pll_property) {
307 struct radeon_encoder_int_tmds *tmds = NULL;
308 bool ret = false;
309 /* need to find digital encoder on connector */
310 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
311 if (!encoder)
312 return 0;
313
314 radeon_encoder = to_radeon_encoder(encoder);
315
316 tmds = radeon_encoder->enc_priv;
317 if (!tmds)
318 return 0;
319
320 if (val == 0) {
321 if (rdev->is_atom_bios)
322 ret = radeon_atombios_get_tmds_info(radeon_encoder, tmds);
323 else
324 ret = radeon_legacy_get_tmds_info_from_combios(radeon_encoder, tmds);
325 }
326 if (val == 1 || ret == false) {
327 radeon_legacy_get_tmds_info_from_table(radeon_encoder, tmds);
328 }
329 radeon_property_change_mode(&radeon_encoder->base);
330 }
331
332 return 0;
333 }
334
335 static void radeon_fixup_lvds_native_mode(struct drm_encoder *encoder,
336 struct drm_connector *connector)
337 {
338 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
339 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
340
341 /* Try to get native mode details from EDID if necessary */
342 if (!native_mode->clock) {
343 struct drm_display_mode *t, *mode;
344
345 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
346 if (mode->hdisplay == native_mode->hdisplay &&
347 mode->vdisplay == native_mode->vdisplay) {
348 *native_mode = *mode;
349 drm_mode_set_crtcinfo(native_mode, CRTC_INTERLACE_HALVE_V);
350 DRM_INFO("Determined LVDS native mode details from EDID\n");
351 break;
352 }
353 }
354 }
355 if (!native_mode->clock) {
356 DRM_INFO("No LVDS native mode details, disabling RMX\n");
357 radeon_encoder->rmx_type = RMX_OFF;
358 }
359 }
360
361 static int radeon_lvds_get_modes(struct drm_connector *connector)
362 {
363 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
364 struct drm_encoder *encoder;
365 int ret = 0;
366 struct drm_display_mode *mode;
367
368 if (radeon_connector->ddc_bus) {
369 ret = radeon_ddc_get_modes(radeon_connector);
370 if (ret > 0) {
371 encoder = radeon_best_single_encoder(connector);
372 if (encoder) {
373 radeon_fixup_lvds_native_mode(encoder, connector);
374 /* add scaled modes */
375 radeon_add_common_modes(encoder, connector);
376 }
377 return ret;
378 }
379 }
380
381 encoder = radeon_best_single_encoder(connector);
382 if (!encoder)
383 return 0;
384
385 /* we have no EDID modes */
386 mode = radeon_fp_native_mode(encoder);
387 if (mode) {
388 ret = 1;
389 drm_mode_probed_add(connector, mode);
390 /* add scaled modes */
391 radeon_add_common_modes(encoder, connector);
392 }
393
394 return ret;
395 }
396
397 static int radeon_lvds_mode_valid(struct drm_connector *connector,
398 struct drm_display_mode *mode)
399 {
400 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
401
402 if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
403 return MODE_PANEL;
404
405 if (encoder) {
406 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
407 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
408
409 /* AVIVO hardware supports downscaling modes larger than the panel
410 * to the panel size, but I'm not sure this is desirable.
411 */
412 if ((mode->hdisplay > native_mode->hdisplay) ||
413 (mode->vdisplay > native_mode->vdisplay))
414 return MODE_PANEL;
415
416 /* if scaling is disabled, block non-native modes */
417 if (radeon_encoder->rmx_type == RMX_OFF) {
418 if ((mode->hdisplay != native_mode->hdisplay) ||
419 (mode->vdisplay != native_mode->vdisplay))
420 return MODE_PANEL;
421 }
422 }
423
424 return MODE_OK;
425 }
426
427 static enum drm_connector_status radeon_lvds_detect(struct drm_connector *connector)
428 {
429 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
430 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
431 enum drm_connector_status ret = connector_status_disconnected;
432
433 if (encoder) {
434 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
435 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
436
437 /* check if panel is valid */
438 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
439 ret = connector_status_connected;
440
441 }
442
443 /* check for edid as well */
444 if (radeon_connector->edid)
445 ret = connector_status_connected;
446 else {
447 if (radeon_connector->ddc_bus) {
448 radeon_i2c_do_lock(radeon_connector, 1);
449 radeon_connector->edid = drm_get_edid(&radeon_connector->base,
450 &radeon_connector->ddc_bus->adapter);
451 radeon_i2c_do_lock(radeon_connector, 0);
452 if (radeon_connector->edid)
453 ret = connector_status_connected;
454 }
455 }
456 /* check acpi lid status ??? */
457
458 radeon_connector_update_scratch_regs(connector, ret);
459 return ret;
460 }
461
462 static void radeon_connector_destroy(struct drm_connector *connector)
463 {
464 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
465
466 if (radeon_connector->ddc_bus)
467 radeon_i2c_destroy(radeon_connector->ddc_bus);
468 if (radeon_connector->edid)
469 kfree(radeon_connector->edid);
470 kfree(radeon_connector->con_priv);
471 drm_sysfs_connector_remove(connector);
472 drm_connector_cleanup(connector);
473 kfree(connector);
474 }
475
476 static int radeon_lvds_set_property(struct drm_connector *connector,
477 struct drm_property *property,
478 uint64_t value)
479 {
480 struct drm_device *dev = connector->dev;
481 struct radeon_encoder *radeon_encoder;
482 enum radeon_rmx_type rmx_type;
483
484 DRM_DEBUG("\n");
485 if (property != dev->mode_config.scaling_mode_property)
486 return 0;
487
488 if (connector->encoder)
489 radeon_encoder = to_radeon_encoder(connector->encoder);
490 else {
491 struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
492 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
493 }
494
495 switch (value) {
496 case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
497 case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
498 case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
499 default:
500 case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
501 }
502 if (radeon_encoder->rmx_type == rmx_type)
503 return 0;
504
505 radeon_encoder->rmx_type = rmx_type;
506
507 radeon_property_change_mode(&radeon_encoder->base);
508 return 0;
509 }
510
511
512 struct drm_connector_helper_funcs radeon_lvds_connector_helper_funcs = {
513 .get_modes = radeon_lvds_get_modes,
514 .mode_valid = radeon_lvds_mode_valid,
515 .best_encoder = radeon_best_single_encoder,
516 };
517
518 struct drm_connector_funcs radeon_lvds_connector_funcs = {
519 .dpms = drm_helper_connector_dpms,
520 .detect = radeon_lvds_detect,
521 .fill_modes = drm_helper_probe_single_connector_modes,
522 .destroy = radeon_connector_destroy,
523 .set_property = radeon_lvds_set_property,
524 };
525
526 static int radeon_vga_get_modes(struct drm_connector *connector)
527 {
528 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
529 int ret;
530
531 ret = radeon_ddc_get_modes(radeon_connector);
532
533 return ret;
534 }
535
536 static int radeon_vga_mode_valid(struct drm_connector *connector,
537 struct drm_display_mode *mode)
538 {
539 /* XXX check mode bandwidth */
540 /* XXX verify against max DAC output frequency */
541 return MODE_OK;
542 }
543
544 static enum drm_connector_status radeon_vga_detect(struct drm_connector *connector)
545 {
546 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
547 struct drm_encoder *encoder;
548 struct drm_encoder_helper_funcs *encoder_funcs;
549 bool dret;
550 enum drm_connector_status ret = connector_status_disconnected;
551
552 encoder = radeon_best_single_encoder(connector);
553 if (!encoder)
554 ret = connector_status_disconnected;
555
556 radeon_i2c_do_lock(radeon_connector, 1);
557 dret = radeon_ddc_probe(radeon_connector);
558 radeon_i2c_do_lock(radeon_connector, 0);
559 if (dret) {
560 if (radeon_connector->edid) {
561 kfree(radeon_connector->edid);
562 radeon_connector->edid = NULL;
563 }
564 radeon_i2c_do_lock(radeon_connector, 1);
565 radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
566 radeon_i2c_do_lock(radeon_connector, 0);
567
568 if (!radeon_connector->edid) {
569 DRM_ERROR("DDC responded but not EDID found for %s\n",
570 drm_get_connector_name(connector));
571 } else {
572 radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
573
574 /* some oems have boards with separate digital and analog connectors
575 * with a shared ddc line (often vga + hdmi)
576 */
577 if (radeon_connector->use_digital && radeon_connector->shared_ddc) {
578 kfree(radeon_connector->edid);
579 radeon_connector->edid = NULL;
580 ret = connector_status_disconnected;
581 } else
582 ret = connector_status_connected;
583 }
584 } else {
585 if (radeon_connector->dac_load_detect) {
586 encoder_funcs = encoder->helper_private;
587 ret = encoder_funcs->detect(encoder, connector);
588 }
589 }
590
591 if (ret == connector_status_connected)
592 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
593 radeon_connector_update_scratch_regs(connector, ret);
594 return ret;
595 }
596
597 struct drm_connector_helper_funcs radeon_vga_connector_helper_funcs = {
598 .get_modes = radeon_vga_get_modes,
599 .mode_valid = radeon_vga_mode_valid,
600 .best_encoder = radeon_best_single_encoder,
601 };
602
603 struct drm_connector_funcs radeon_vga_connector_funcs = {
604 .dpms = drm_helper_connector_dpms,
605 .detect = radeon_vga_detect,
606 .fill_modes = drm_helper_probe_single_connector_modes,
607 .destroy = radeon_connector_destroy,
608 .set_property = radeon_connector_set_property,
609 };
610
611 static int radeon_tv_get_modes(struct drm_connector *connector)
612 {
613 struct drm_device *dev = connector->dev;
614 struct radeon_device *rdev = dev->dev_private;
615 struct drm_display_mode *tv_mode;
616 struct drm_encoder *encoder;
617
618 encoder = radeon_best_single_encoder(connector);
619 if (!encoder)
620 return 0;
621
622 /* avivo chips can scale any mode */
623 if (rdev->family >= CHIP_RS600)
624 /* add scaled modes */
625 radeon_add_common_modes(encoder, connector);
626 else {
627 /* only 800x600 is supported right now on pre-avivo chips */
628 tv_mode = drm_cvt_mode(dev, 800, 600, 60, false, false, false);
629 tv_mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
630 drm_mode_probed_add(connector, tv_mode);
631 }
632 return 1;
633 }
634
635 static int radeon_tv_mode_valid(struct drm_connector *connector,
636 struct drm_display_mode *mode)
637 {
638 if ((mode->hdisplay > 1024) || (mode->vdisplay > 768))
639 return MODE_CLOCK_RANGE;
640 return MODE_OK;
641 }
642
643 static enum drm_connector_status radeon_tv_detect(struct drm_connector *connector)
644 {
645 struct drm_encoder *encoder;
646 struct drm_encoder_helper_funcs *encoder_funcs;
647 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
648 enum drm_connector_status ret = connector_status_disconnected;
649
650 if (!radeon_connector->dac_load_detect)
651 return ret;
652
653 encoder = radeon_best_single_encoder(connector);
654 if (!encoder)
655 ret = connector_status_disconnected;
656 else {
657 encoder_funcs = encoder->helper_private;
658 ret = encoder_funcs->detect(encoder, connector);
659 }
660 if (ret == connector_status_connected)
661 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, false);
662 radeon_connector_update_scratch_regs(connector, ret);
663 return ret;
664 }
665
666 struct drm_connector_helper_funcs radeon_tv_connector_helper_funcs = {
667 .get_modes = radeon_tv_get_modes,
668 .mode_valid = radeon_tv_mode_valid,
669 .best_encoder = radeon_best_single_encoder,
670 };
671
672 struct drm_connector_funcs radeon_tv_connector_funcs = {
673 .dpms = drm_helper_connector_dpms,
674 .detect = radeon_tv_detect,
675 .fill_modes = drm_helper_probe_single_connector_modes,
676 .destroy = radeon_connector_destroy,
677 .set_property = radeon_connector_set_property,
678 };
679
680 static int radeon_dvi_get_modes(struct drm_connector *connector)
681 {
682 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
683 int ret;
684
685 ret = radeon_ddc_get_modes(radeon_connector);
686 return ret;
687 }
688
689 /*
690 * DVI is complicated
691 * Do a DDC probe, if DDC probe passes, get the full EDID so
692 * we can do analog/digital monitor detection at this point.
693 * If the monitor is an analog monitor or we got no DDC,
694 * we need to find the DAC encoder object for this connector.
695 * If we got no DDC, we do load detection on the DAC encoder object.
696 * If we got analog DDC or load detection passes on the DAC encoder
697 * we have to check if this analog encoder is shared with anyone else (TV)
698 * if its shared we have to set the other connector to disconnected.
699 */
700 static enum drm_connector_status radeon_dvi_detect(struct drm_connector *connector)
701 {
702 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
703 struct drm_encoder *encoder = NULL;
704 struct drm_encoder_helper_funcs *encoder_funcs;
705 struct drm_mode_object *obj;
706 int i;
707 enum drm_connector_status ret = connector_status_disconnected;
708 bool dret;
709
710 radeon_i2c_do_lock(radeon_connector, 1);
711 dret = radeon_ddc_probe(radeon_connector);
712 radeon_i2c_do_lock(radeon_connector, 0);
713 if (dret) {
714 if (radeon_connector->edid) {
715 kfree(radeon_connector->edid);
716 radeon_connector->edid = NULL;
717 }
718 radeon_i2c_do_lock(radeon_connector, 1);
719 radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
720 radeon_i2c_do_lock(radeon_connector, 0);
721
722 if (!radeon_connector->edid) {
723 DRM_ERROR("DDC responded but not EDID found for %s\n",
724 drm_get_connector_name(connector));
725 } else {
726 radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
727
728 /* some oems have boards with separate digital and analog connectors
729 * with a shared ddc line (often vga + hdmi)
730 */
731 if ((!radeon_connector->use_digital) && radeon_connector->shared_ddc) {
732 kfree(radeon_connector->edid);
733 radeon_connector->edid = NULL;
734 ret = connector_status_disconnected;
735 } else
736 ret = connector_status_connected;
737 }
738 }
739
740 if ((ret == connector_status_connected) && (radeon_connector->use_digital == true))
741 goto out;
742
743 /* find analog encoder */
744 if (radeon_connector->dac_load_detect) {
745 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
746 if (connector->encoder_ids[i] == 0)
747 break;
748
749 obj = drm_mode_object_find(connector->dev,
750 connector->encoder_ids[i],
751 DRM_MODE_OBJECT_ENCODER);
752 if (!obj)
753 continue;
754
755 encoder = obj_to_encoder(obj);
756
757 encoder_funcs = encoder->helper_private;
758 if (encoder_funcs->detect) {
759 if (ret != connector_status_connected) {
760 ret = encoder_funcs->detect(encoder, connector);
761 if (ret == connector_status_connected) {
762 radeon_connector->use_digital = false;
763 }
764 }
765 break;
766 }
767 }
768 }
769
770 if ((ret == connector_status_connected) && (radeon_connector->use_digital == false) &&
771 encoder) {
772 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
773 }
774
775 out:
776 /* updated in get modes as well since we need to know if it's analog or digital */
777 radeon_connector_update_scratch_regs(connector, ret);
778 return ret;
779 }
780
781 /* okay need to be smart in here about which encoder to pick */
782 struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector)
783 {
784 int enc_id = connector->encoder_ids[0];
785 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
786 struct drm_mode_object *obj;
787 struct drm_encoder *encoder;
788 int i;
789 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
790 if (connector->encoder_ids[i] == 0)
791 break;
792
793 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
794 if (!obj)
795 continue;
796
797 encoder = obj_to_encoder(obj);
798
799 if (radeon_connector->use_digital == true) {
800 if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)
801 return encoder;
802 } else {
803 if (encoder->encoder_type == DRM_MODE_ENCODER_DAC ||
804 encoder->encoder_type == DRM_MODE_ENCODER_TVDAC)
805 return encoder;
806 }
807 }
808
809 /* see if we have a default encoder TODO */
810
811 /* then check use digitial */
812 /* pick the first one */
813 if (enc_id) {
814 obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER);
815 if (!obj)
816 return NULL;
817 encoder = obj_to_encoder(obj);
818 return encoder;
819 }
820 return NULL;
821 }
822
823 static void radeon_dvi_force(struct drm_connector *connector)
824 {
825 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
826 if (connector->force == DRM_FORCE_ON)
827 radeon_connector->use_digital = false;
828 if (connector->force == DRM_FORCE_ON_DIGITAL)
829 radeon_connector->use_digital = true;
830 }
831
832 static int radeon_dvi_mode_valid(struct drm_connector *connector,
833 struct drm_display_mode *mode)
834 {
835 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
836
837 /* XXX check mode bandwidth */
838
839 if (radeon_connector->use_digital && (mode->clock > 165000)) {
840 if ((radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) ||
841 (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) ||
842 (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B))
843 return MODE_OK;
844 else
845 return MODE_CLOCK_HIGH;
846 }
847 return MODE_OK;
848 }
849
850 struct drm_connector_helper_funcs radeon_dvi_connector_helper_funcs = {
851 .get_modes = radeon_dvi_get_modes,
852 .mode_valid = radeon_dvi_mode_valid,
853 .best_encoder = radeon_dvi_encoder,
854 };
855
856 struct drm_connector_funcs radeon_dvi_connector_funcs = {
857 .dpms = drm_helper_connector_dpms,
858 .detect = radeon_dvi_detect,
859 .fill_modes = drm_helper_probe_single_connector_modes,
860 .set_property = radeon_connector_set_property,
861 .destroy = radeon_connector_destroy,
862 .force = radeon_dvi_force,
863 };
864
865 void
866 radeon_add_atom_connector(struct drm_device *dev,
867 uint32_t connector_id,
868 uint32_t supported_device,
869 int connector_type,
870 struct radeon_i2c_bus_rec *i2c_bus,
871 bool linkb,
872 uint32_t igp_lane_info,
873 uint16_t connector_object_id)
874 {
875 struct radeon_device *rdev = dev->dev_private;
876 struct drm_connector *connector;
877 struct radeon_connector *radeon_connector;
878 struct radeon_connector_atom_dig *radeon_dig_connector;
879 uint32_t subpixel_order = SubPixelNone;
880 bool shared_ddc = false;
881 int ret;
882
883 /* fixme - tv/cv/din */
884 if (connector_type == DRM_MODE_CONNECTOR_Unknown)
885 return;
886
887 /* see if we already added it */
888 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
889 radeon_connector = to_radeon_connector(connector);
890 if (radeon_connector->connector_id == connector_id) {
891 radeon_connector->devices |= supported_device;
892 return;
893 }
894 if (radeon_connector->ddc_bus && i2c_bus->valid) {
895 if (memcmp(&radeon_connector->ddc_bus->rec, i2c_bus,
896 sizeof(struct radeon_i2c_bus_rec)) == 0) {
897 radeon_connector->shared_ddc = true;
898 shared_ddc = true;
899 }
900 }
901 }
902
903 radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
904 if (!radeon_connector)
905 return;
906
907 connector = &radeon_connector->base;
908
909 radeon_connector->connector_id = connector_id;
910 radeon_connector->devices = supported_device;
911 radeon_connector->shared_ddc = shared_ddc;
912 radeon_connector->connector_object_id = connector_object_id;
913 switch (connector_type) {
914 case DRM_MODE_CONNECTOR_VGA:
915 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
916 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
917 if (ret)
918 goto failed;
919 if (i2c_bus->valid) {
920 radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "VGA");
921 if (!radeon_connector->ddc_bus)
922 goto failed;
923 }
924 radeon_connector->dac_load_detect = true;
925 drm_connector_attach_property(&radeon_connector->base,
926 rdev->mode_info.load_detect_property,
927 1);
928 break;
929 case DRM_MODE_CONNECTOR_DVIA:
930 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
931 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
932 if (ret)
933 goto failed;
934 if (i2c_bus->valid) {
935 radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "DVI");
936 if (!radeon_connector->ddc_bus)
937 goto failed;
938 }
939 radeon_connector->dac_load_detect = true;
940 drm_connector_attach_property(&radeon_connector->base,
941 rdev->mode_info.load_detect_property,
942 1);
943 break;
944 case DRM_MODE_CONNECTOR_DVII:
945 case DRM_MODE_CONNECTOR_DVID:
946 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
947 if (!radeon_dig_connector)
948 goto failed;
949 radeon_dig_connector->linkb = linkb;
950 radeon_dig_connector->igp_lane_info = igp_lane_info;
951 radeon_connector->con_priv = radeon_dig_connector;
952 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
953 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
954 if (ret)
955 goto failed;
956 if (i2c_bus->valid) {
957 radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "DVI");
958 if (!radeon_connector->ddc_bus)
959 goto failed;
960 }
961 subpixel_order = SubPixelHorizontalRGB;
962 drm_connector_attach_property(&radeon_connector->base,
963 rdev->mode_info.coherent_mode_property,
964 1);
965 radeon_connector->dac_load_detect = true;
966 drm_connector_attach_property(&radeon_connector->base,
967 rdev->mode_info.load_detect_property,
968 1);
969 break;
970 case DRM_MODE_CONNECTOR_HDMIA:
971 case DRM_MODE_CONNECTOR_HDMIB:
972 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
973 if (!radeon_dig_connector)
974 goto failed;
975 radeon_dig_connector->linkb = linkb;
976 radeon_dig_connector->igp_lane_info = igp_lane_info;
977 radeon_connector->con_priv = radeon_dig_connector;
978 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
979 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
980 if (ret)
981 goto failed;
982 if (i2c_bus->valid) {
983 radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "HDMI");
984 if (!radeon_connector->ddc_bus)
985 goto failed;
986 }
987 drm_connector_attach_property(&radeon_connector->base,
988 rdev->mode_info.coherent_mode_property,
989 1);
990 subpixel_order = SubPixelHorizontalRGB;
991 break;
992 case DRM_MODE_CONNECTOR_DisplayPort:
993 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
994 if (!radeon_dig_connector)
995 goto failed;
996 radeon_dig_connector->linkb = linkb;
997 radeon_dig_connector->igp_lane_info = igp_lane_info;
998 radeon_connector->con_priv = radeon_dig_connector;
999 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1000 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1001 if (ret)
1002 goto failed;
1003 if (i2c_bus->valid) {
1004 radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "DP");
1005 if (!radeon_connector->ddc_bus)
1006 goto failed;
1007 }
1008 subpixel_order = SubPixelHorizontalRGB;
1009 break;
1010 case DRM_MODE_CONNECTOR_SVIDEO:
1011 case DRM_MODE_CONNECTOR_Composite:
1012 case DRM_MODE_CONNECTOR_9PinDIN:
1013 if (radeon_tv == 1) {
1014 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
1015 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
1016 if (ret)
1017 goto failed;
1018 radeon_connector->dac_load_detect = true;
1019 drm_connector_attach_property(&radeon_connector->base,
1020 rdev->mode_info.load_detect_property,
1021 1);
1022 }
1023 break;
1024 case DRM_MODE_CONNECTOR_LVDS:
1025 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1026 if (!radeon_dig_connector)
1027 goto failed;
1028 radeon_dig_connector->linkb = linkb;
1029 radeon_dig_connector->igp_lane_info = igp_lane_info;
1030 radeon_connector->con_priv = radeon_dig_connector;
1031 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
1032 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
1033 if (ret)
1034 goto failed;
1035 if (i2c_bus->valid) {
1036 radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "LVDS");
1037 if (!radeon_connector->ddc_bus)
1038 goto failed;
1039 }
1040 drm_mode_create_scaling_mode_property(dev);
1041 drm_connector_attach_property(&radeon_connector->base,
1042 dev->mode_config.scaling_mode_property,
1043 DRM_MODE_SCALE_FULLSCREEN);
1044 subpixel_order = SubPixelHorizontalRGB;
1045 break;
1046 }
1047
1048 connector->display_info.subpixel_order = subpixel_order;
1049 drm_sysfs_connector_add(connector);
1050 return;
1051
1052 failed:
1053 if (radeon_connector->ddc_bus)
1054 radeon_i2c_destroy(radeon_connector->ddc_bus);
1055 drm_connector_cleanup(connector);
1056 kfree(connector);
1057 }
1058
1059 void
1060 radeon_add_legacy_connector(struct drm_device *dev,
1061 uint32_t connector_id,
1062 uint32_t supported_device,
1063 int connector_type,
1064 struct radeon_i2c_bus_rec *i2c_bus,
1065 uint16_t connector_object_id)
1066 {
1067 struct radeon_device *rdev = dev->dev_private;
1068 struct drm_connector *connector;
1069 struct radeon_connector *radeon_connector;
1070 uint32_t subpixel_order = SubPixelNone;
1071 int ret;
1072
1073 /* fixme - tv/cv/din */
1074 if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1075 return;
1076
1077 /* see if we already added it */
1078 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1079 radeon_connector = to_radeon_connector(connector);
1080 if (radeon_connector->connector_id == connector_id) {
1081 radeon_connector->devices |= supported_device;
1082 return;
1083 }
1084 }
1085
1086 radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1087 if (!radeon_connector)
1088 return;
1089
1090 connector = &radeon_connector->base;
1091
1092 radeon_connector->connector_id = connector_id;
1093 radeon_connector->devices = supported_device;
1094 radeon_connector->connector_object_id = connector_object_id;
1095 switch (connector_type) {
1096 case DRM_MODE_CONNECTOR_VGA:
1097 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1098 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1099 if (ret)
1100 goto failed;
1101 if (i2c_bus->valid) {
1102 radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "VGA");
1103 if (!radeon_connector->ddc_bus)
1104 goto failed;
1105 }
1106 radeon_connector->dac_load_detect = true;
1107 drm_connector_attach_property(&radeon_connector->base,
1108 rdev->mode_info.load_detect_property,
1109 1);
1110 break;
1111 case DRM_MODE_CONNECTOR_DVIA:
1112 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1113 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1114 if (ret)
1115 goto failed;
1116 if (i2c_bus->valid) {
1117 radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "DVI");
1118 if (!radeon_connector->ddc_bus)
1119 goto failed;
1120 }
1121 radeon_connector->dac_load_detect = true;
1122 drm_connector_attach_property(&radeon_connector->base,
1123 rdev->mode_info.load_detect_property,
1124 1);
1125 break;
1126 case DRM_MODE_CONNECTOR_DVII:
1127 case DRM_MODE_CONNECTOR_DVID:
1128 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1129 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1130 if (ret)
1131 goto failed;
1132 if (i2c_bus->valid) {
1133 radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "DVI");
1134 if (!radeon_connector->ddc_bus)
1135 goto failed;
1136 radeon_connector->dac_load_detect = true;
1137 drm_connector_attach_property(&radeon_connector->base,
1138 rdev->mode_info.load_detect_property,
1139 1);
1140 }
1141 subpixel_order = SubPixelHorizontalRGB;
1142 break;
1143 case DRM_MODE_CONNECTOR_SVIDEO:
1144 case DRM_MODE_CONNECTOR_Composite:
1145 case DRM_MODE_CONNECTOR_9PinDIN:
1146 if (radeon_tv == 1) {
1147 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
1148 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
1149 if (ret)
1150 goto failed;
1151 radeon_connector->dac_load_detect = true;
1152 drm_connector_attach_property(&radeon_connector->base,
1153 rdev->mode_info.load_detect_property,
1154 1);
1155 }
1156 break;
1157 case DRM_MODE_CONNECTOR_LVDS:
1158 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
1159 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
1160 if (ret)
1161 goto failed;
1162 if (i2c_bus->valid) {
1163 radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "LVDS");
1164 if (!radeon_connector->ddc_bus)
1165 goto failed;
1166 }
1167 drm_connector_attach_property(&radeon_connector->base,
1168 dev->mode_config.scaling_mode_property,
1169 DRM_MODE_SCALE_FULLSCREEN);
1170 subpixel_order = SubPixelHorizontalRGB;
1171 break;
1172 }
1173
1174 connector->display_info.subpixel_order = subpixel_order;
1175 drm_sysfs_connector_add(connector);
1176 return;
1177
1178 failed:
1179 if (radeon_connector->ddc_bus)
1180 radeon_i2c_destroy(radeon_connector->ddc_bus);
1181 drm_connector_cleanup(connector);
1182 kfree(connector);
1183 }