Merge remote branch 'nouveau/for-airlied' of ../drm-nouveau-next into drm-core-next
[sfrench/cifs-2.6.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 void radeon_connector_hotplug(struct drm_connector *connector)
44 {
45         struct drm_device *dev = connector->dev;
46         struct radeon_device *rdev = dev->dev_private;
47         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
48
49         if (radeon_connector->hpd.hpd != RADEON_HPD_NONE)
50                 radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
51
52         if ((connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) ||
53             (connector->connector_type == DRM_MODE_CONNECTOR_eDP)) {
54                 if ((radeon_dp_getsinktype(radeon_connector) == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
55                     (radeon_dp_getsinktype(radeon_connector) == CONNECTOR_OBJECT_ID_eDP)) {
56                         if (radeon_dp_needs_link_train(radeon_connector)) {
57                                 if (connector->encoder)
58                                         dp_link_train(connector->encoder, connector);
59                         }
60                 }
61         }
62
63 }
64
65 static void radeon_property_change_mode(struct drm_encoder *encoder)
66 {
67         struct drm_crtc *crtc = encoder->crtc;
68
69         if (crtc && crtc->enabled) {
70                 drm_crtc_helper_set_mode(crtc, &crtc->mode,
71                                          crtc->x, crtc->y, crtc->fb);
72         }
73 }
74 static void
75 radeon_connector_update_scratch_regs(struct drm_connector *connector, enum drm_connector_status status)
76 {
77         struct drm_device *dev = connector->dev;
78         struct radeon_device *rdev = dev->dev_private;
79         struct drm_encoder *best_encoder = NULL;
80         struct drm_encoder *encoder = NULL;
81         struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
82         struct drm_mode_object *obj;
83         bool connected;
84         int i;
85
86         best_encoder = connector_funcs->best_encoder(connector);
87
88         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
89                 if (connector->encoder_ids[i] == 0)
90                         break;
91
92                 obj = drm_mode_object_find(connector->dev,
93                                            connector->encoder_ids[i],
94                                            DRM_MODE_OBJECT_ENCODER);
95                 if (!obj)
96                         continue;
97
98                 encoder = obj_to_encoder(obj);
99
100                 if ((encoder == best_encoder) && (status == connector_status_connected))
101                         connected = true;
102                 else
103                         connected = false;
104
105                 if (rdev->is_atom_bios)
106                         radeon_atombios_connected_scratch_regs(connector, encoder, connected);
107                 else
108                         radeon_combios_connected_scratch_regs(connector, encoder, connected);
109
110         }
111 }
112
113 struct drm_encoder *radeon_find_encoder(struct drm_connector *connector, int encoder_type)
114 {
115         struct drm_mode_object *obj;
116         struct drm_encoder *encoder;
117         int i;
118
119         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
120                 if (connector->encoder_ids[i] == 0)
121                         break;
122
123                 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
124                 if (!obj)
125                         continue;
126
127                 encoder = obj_to_encoder(obj);
128                 if (encoder->encoder_type == encoder_type)
129                         return encoder;
130         }
131         return NULL;
132 }
133
134 struct drm_encoder *radeon_best_single_encoder(struct drm_connector *connector)
135 {
136         int enc_id = connector->encoder_ids[0];
137         struct drm_mode_object *obj;
138         struct drm_encoder *encoder;
139
140         /* pick the encoder ids */
141         if (enc_id) {
142                 obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER);
143                 if (!obj)
144                         return NULL;
145                 encoder = obj_to_encoder(obj);
146                 return encoder;
147         }
148         return NULL;
149 }
150
151 /*
152  * radeon_connector_analog_encoder_conflict_solve
153  * - search for other connectors sharing this encoder
154  *   if priority is true, then set them disconnected if this is connected
155  *   if priority is false, set us disconnected if they are connected
156  */
157 static enum drm_connector_status
158 radeon_connector_analog_encoder_conflict_solve(struct drm_connector *connector,
159                                                struct drm_encoder *encoder,
160                                                enum drm_connector_status current_status,
161                                                bool priority)
162 {
163         struct drm_device *dev = connector->dev;
164         struct drm_connector *conflict;
165         struct radeon_connector *radeon_conflict;
166         int i;
167
168         list_for_each_entry(conflict, &dev->mode_config.connector_list, head) {
169                 if (conflict == connector)
170                         continue;
171
172                 radeon_conflict = to_radeon_connector(conflict);
173                 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
174                         if (conflict->encoder_ids[i] == 0)
175                                 break;
176
177                         /* if the IDs match */
178                         if (conflict->encoder_ids[i] == encoder->base.id) {
179                                 if (conflict->status != connector_status_connected)
180                                         continue;
181
182                                 if (radeon_conflict->use_digital)
183                                         continue;
184
185                                 if (priority == true) {
186                                         DRM_INFO("1: conflicting encoders switching off %s\n", drm_get_connector_name(conflict));
187                                         DRM_INFO("in favor of %s\n", drm_get_connector_name(connector));
188                                         conflict->status = connector_status_disconnected;
189                                         radeon_connector_update_scratch_regs(conflict, connector_status_disconnected);
190                                 } else {
191                                         DRM_INFO("2: conflicting encoders switching off %s\n", drm_get_connector_name(connector));
192                                         DRM_INFO("in favor of %s\n", drm_get_connector_name(conflict));
193                                         current_status = connector_status_disconnected;
194                                 }
195                                 break;
196                         }
197                 }
198         }
199         return current_status;
200
201 }
202
203 static struct drm_display_mode *radeon_fp_native_mode(struct drm_encoder *encoder)
204 {
205         struct drm_device *dev = encoder->dev;
206         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
207         struct drm_display_mode *mode = NULL;
208         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
209
210         if (native_mode->hdisplay != 0 &&
211             native_mode->vdisplay != 0 &&
212             native_mode->clock != 0) {
213                 mode = drm_mode_duplicate(dev, native_mode);
214                 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
215                 drm_mode_set_name(mode);
216
217                 DRM_DEBUG("Adding native panel mode %s\n", mode->name);
218         } else if (native_mode->hdisplay != 0 &&
219                    native_mode->vdisplay != 0) {
220                 /* mac laptops without an edid */
221                 /* Note that this is not necessarily the exact panel mode,
222                  * but an approximation based on the cvt formula.  For these
223                  * systems we should ideally read the mode info out of the
224                  * registers or add a mode table, but this works and is much
225                  * simpler.
226                  */
227                 mode = drm_cvt_mode(dev, native_mode->hdisplay, native_mode->vdisplay, 60, true, false, false);
228                 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
229                 DRM_DEBUG("Adding cvt approximation of native panel mode %s\n", mode->name);
230         }
231         return mode;
232 }
233
234 static void radeon_add_common_modes(struct drm_encoder *encoder, struct drm_connector *connector)
235 {
236         struct drm_device *dev = encoder->dev;
237         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
238         struct drm_display_mode *mode = NULL;
239         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
240         int i;
241         struct mode_size {
242                 int w;
243                 int h;
244         } common_modes[17] = {
245                 { 640,  480},
246                 { 720,  480},
247                 { 800,  600},
248                 { 848,  480},
249                 {1024,  768},
250                 {1152,  768},
251                 {1280,  720},
252                 {1280,  800},
253                 {1280,  854},
254                 {1280,  960},
255                 {1280, 1024},
256                 {1440,  900},
257                 {1400, 1050},
258                 {1680, 1050},
259                 {1600, 1200},
260                 {1920, 1080},
261                 {1920, 1200}
262         };
263
264         for (i = 0; i < 17; i++) {
265                 if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) {
266                         if (common_modes[i].w > 1024 ||
267                             common_modes[i].h > 768)
268                                 continue;
269                 }
270                 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
271                         if (common_modes[i].w > native_mode->hdisplay ||
272                             common_modes[i].h > native_mode->vdisplay ||
273                             (common_modes[i].w == native_mode->hdisplay &&
274                              common_modes[i].h == native_mode->vdisplay))
275                                 continue;
276                 }
277                 if (common_modes[i].w < 320 || common_modes[i].h < 200)
278                         continue;
279
280                 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 60, false, false, false);
281                 drm_mode_probed_add(connector, mode);
282         }
283 }
284
285 int radeon_connector_set_property(struct drm_connector *connector, struct drm_property *property,
286                                   uint64_t val)
287 {
288         struct drm_device *dev = connector->dev;
289         struct radeon_device *rdev = dev->dev_private;
290         struct drm_encoder *encoder;
291         struct radeon_encoder *radeon_encoder;
292
293         if (property == rdev->mode_info.coherent_mode_property) {
294                 struct radeon_encoder_atom_dig *dig;
295                 bool new_coherent_mode;
296
297                 /* need to find digital encoder on connector */
298                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
299                 if (!encoder)
300                         return 0;
301
302                 radeon_encoder = to_radeon_encoder(encoder);
303
304                 if (!radeon_encoder->enc_priv)
305                         return 0;
306
307                 dig = radeon_encoder->enc_priv;
308                 new_coherent_mode = val ? true : false;
309                 if (dig->coherent_mode != new_coherent_mode) {
310                         dig->coherent_mode = new_coherent_mode;
311                         radeon_property_change_mode(&radeon_encoder->base);
312                 }
313         }
314
315         if (property == rdev->mode_info.tv_std_property) {
316                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TVDAC);
317                 if (!encoder) {
318                         encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_DAC);
319                 }
320
321                 if (!encoder)
322                         return 0;
323
324                 radeon_encoder = to_radeon_encoder(encoder);
325                 if (!radeon_encoder->enc_priv)
326                         return 0;
327                 if (ASIC_IS_AVIVO(rdev) || radeon_r4xx_atom) {
328                         struct radeon_encoder_atom_dac *dac_int;
329                         dac_int = radeon_encoder->enc_priv;
330                         dac_int->tv_std = val;
331                 } else {
332                         struct radeon_encoder_tv_dac *dac_int;
333                         dac_int = radeon_encoder->enc_priv;
334                         dac_int->tv_std = val;
335                 }
336                 radeon_property_change_mode(&radeon_encoder->base);
337         }
338
339         if (property == rdev->mode_info.load_detect_property) {
340                 struct radeon_connector *radeon_connector =
341                         to_radeon_connector(connector);
342
343                 if (val == 0)
344                         radeon_connector->dac_load_detect = false;
345                 else
346                         radeon_connector->dac_load_detect = true;
347         }
348
349         if (property == rdev->mode_info.tmds_pll_property) {
350                 struct radeon_encoder_int_tmds *tmds = NULL;
351                 bool ret = false;
352                 /* need to find digital encoder on connector */
353                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
354                 if (!encoder)
355                         return 0;
356
357                 radeon_encoder = to_radeon_encoder(encoder);
358
359                 tmds = radeon_encoder->enc_priv;
360                 if (!tmds)
361                         return 0;
362
363                 if (val == 0) {
364                         if (rdev->is_atom_bios)
365                                 ret = radeon_atombios_get_tmds_info(radeon_encoder, tmds);
366                         else
367                                 ret = radeon_legacy_get_tmds_info_from_combios(radeon_encoder, tmds);
368                 }
369                 if (val == 1 || ret == false) {
370                         radeon_legacy_get_tmds_info_from_table(radeon_encoder, tmds);
371                 }
372                 radeon_property_change_mode(&radeon_encoder->base);
373         }
374
375         return 0;
376 }
377
378 static void radeon_fixup_lvds_native_mode(struct drm_encoder *encoder,
379                                           struct drm_connector *connector)
380 {
381         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
382         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
383
384         /* Try to get native mode details from EDID if necessary */
385         if (!native_mode->clock) {
386                 struct drm_display_mode *t, *mode;
387
388                 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
389                         if (mode->hdisplay == native_mode->hdisplay &&
390                             mode->vdisplay == native_mode->vdisplay) {
391                                 *native_mode = *mode;
392                                 drm_mode_set_crtcinfo(native_mode, CRTC_INTERLACE_HALVE_V);
393                                 DRM_INFO("Determined LVDS native mode details from EDID\n");
394                                 break;
395                         }
396                 }
397         }
398         if (!native_mode->clock) {
399                 DRM_INFO("No LVDS native mode details, disabling RMX\n");
400                 radeon_encoder->rmx_type = RMX_OFF;
401         }
402 }
403
404 static int radeon_lvds_get_modes(struct drm_connector *connector)
405 {
406         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
407         struct drm_encoder *encoder;
408         int ret = 0;
409         struct drm_display_mode *mode;
410
411         if (radeon_connector->ddc_bus) {
412                 ret = radeon_ddc_get_modes(radeon_connector);
413                 if (ret > 0) {
414                         encoder = radeon_best_single_encoder(connector);
415                         if (encoder) {
416                                 radeon_fixup_lvds_native_mode(encoder, connector);
417                                 /* add scaled modes */
418                                 radeon_add_common_modes(encoder, connector);
419                         }
420                         return ret;
421                 }
422         }
423
424         encoder = radeon_best_single_encoder(connector);
425         if (!encoder)
426                 return 0;
427
428         /* we have no EDID modes */
429         mode = radeon_fp_native_mode(encoder);
430         if (mode) {
431                 ret = 1;
432                 drm_mode_probed_add(connector, mode);
433                 /* add scaled modes */
434                 radeon_add_common_modes(encoder, connector);
435         }
436
437         return ret;
438 }
439
440 static int radeon_lvds_mode_valid(struct drm_connector *connector,
441                                   struct drm_display_mode *mode)
442 {
443         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
444
445         if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
446                 return MODE_PANEL;
447
448         if (encoder) {
449                 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
450                 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
451
452                 /* AVIVO hardware supports downscaling modes larger than the panel
453                  * to the panel size, but I'm not sure this is desirable.
454                  */
455                 if ((mode->hdisplay > native_mode->hdisplay) ||
456                     (mode->vdisplay > native_mode->vdisplay))
457                         return MODE_PANEL;
458
459                 /* if scaling is disabled, block non-native modes */
460                 if (radeon_encoder->rmx_type == RMX_OFF) {
461                         if ((mode->hdisplay != native_mode->hdisplay) ||
462                             (mode->vdisplay != native_mode->vdisplay))
463                                 return MODE_PANEL;
464                 }
465         }
466
467         return MODE_OK;
468 }
469
470 static enum drm_connector_status radeon_lvds_detect(struct drm_connector *connector)
471 {
472         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
473         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
474         enum drm_connector_status ret = connector_status_disconnected;
475
476         if (encoder) {
477                 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
478                 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
479
480                 /* check if panel is valid */
481                 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
482                         ret = connector_status_connected;
483
484         }
485
486         /* check for edid as well */
487         if (radeon_connector->edid)
488                 ret = connector_status_connected;
489         else {
490                 if (radeon_connector->ddc_bus) {
491                         radeon_connector->edid = drm_get_edid(&radeon_connector->base,
492                                                               &radeon_connector->ddc_bus->adapter);
493                         if (radeon_connector->edid)
494                                 ret = connector_status_connected;
495                 }
496         }
497         /* check acpi lid status ??? */
498
499         radeon_connector_update_scratch_regs(connector, ret);
500         return ret;
501 }
502
503 static void radeon_connector_destroy(struct drm_connector *connector)
504 {
505         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
506
507         if (radeon_connector->ddc_bus)
508                 radeon_i2c_destroy(radeon_connector->ddc_bus);
509         if (radeon_connector->edid)
510                 kfree(radeon_connector->edid);
511         kfree(radeon_connector->con_priv);
512         drm_sysfs_connector_remove(connector);
513         drm_connector_cleanup(connector);
514         kfree(connector);
515 }
516
517 static int radeon_lvds_set_property(struct drm_connector *connector,
518                                     struct drm_property *property,
519                                     uint64_t value)
520 {
521         struct drm_device *dev = connector->dev;
522         struct radeon_encoder *radeon_encoder;
523         enum radeon_rmx_type rmx_type;
524
525         DRM_DEBUG("\n");
526         if (property != dev->mode_config.scaling_mode_property)
527                 return 0;
528
529         if (connector->encoder)
530                 radeon_encoder = to_radeon_encoder(connector->encoder);
531         else {
532                 struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
533                 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
534         }
535
536         switch (value) {
537         case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
538         case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
539         case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
540         default:
541         case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
542         }
543         if (radeon_encoder->rmx_type == rmx_type)
544                 return 0;
545
546         radeon_encoder->rmx_type = rmx_type;
547
548         radeon_property_change_mode(&radeon_encoder->base);
549         return 0;
550 }
551
552
553 struct drm_connector_helper_funcs radeon_lvds_connector_helper_funcs = {
554         .get_modes = radeon_lvds_get_modes,
555         .mode_valid = radeon_lvds_mode_valid,
556         .best_encoder = radeon_best_single_encoder,
557 };
558
559 struct drm_connector_funcs radeon_lvds_connector_funcs = {
560         .dpms = drm_helper_connector_dpms,
561         .detect = radeon_lvds_detect,
562         .fill_modes = drm_helper_probe_single_connector_modes,
563         .destroy = radeon_connector_destroy,
564         .set_property = radeon_lvds_set_property,
565 };
566
567 static int radeon_vga_get_modes(struct drm_connector *connector)
568 {
569         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
570         int ret;
571
572         ret = radeon_ddc_get_modes(radeon_connector);
573
574         return ret;
575 }
576
577 static int radeon_vga_mode_valid(struct drm_connector *connector,
578                                   struct drm_display_mode *mode)
579 {
580         /* XXX check mode bandwidth */
581         /* XXX verify against max DAC output frequency */
582         return MODE_OK;
583 }
584
585 static enum drm_connector_status radeon_vga_detect(struct drm_connector *connector)
586 {
587         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
588         struct drm_encoder *encoder;
589         struct drm_encoder_helper_funcs *encoder_funcs;
590         bool dret = false;
591         enum drm_connector_status ret = connector_status_disconnected;
592
593         encoder = radeon_best_single_encoder(connector);
594         if (!encoder)
595                 ret = connector_status_disconnected;
596
597         if (radeon_connector->ddc_bus)
598                 dret = radeon_ddc_probe(radeon_connector);
599         if (dret) {
600                 if (radeon_connector->edid) {
601                         kfree(radeon_connector->edid);
602                         radeon_connector->edid = NULL;
603                 }
604                 radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
605
606                 if (!radeon_connector->edid) {
607                         DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
608                                         drm_get_connector_name(connector));
609                         ret = connector_status_connected;
610                 } else {
611                         radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
612
613                         /* some oems have boards with separate digital and analog connectors
614                          * with a shared ddc line (often vga + hdmi)
615                          */
616                         if (radeon_connector->use_digital && radeon_connector->shared_ddc) {
617                                 kfree(radeon_connector->edid);
618                                 radeon_connector->edid = NULL;
619                                 ret = connector_status_disconnected;
620                         } else
621                                 ret = connector_status_connected;
622                 }
623         } else {
624                 if (radeon_connector->dac_load_detect && encoder) {
625                         encoder_funcs = encoder->helper_private;
626                         ret = encoder_funcs->detect(encoder, connector);
627                 }
628         }
629
630         if (ret == connector_status_connected)
631                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
632         radeon_connector_update_scratch_regs(connector, ret);
633         return ret;
634 }
635
636 struct drm_connector_helper_funcs radeon_vga_connector_helper_funcs = {
637         .get_modes = radeon_vga_get_modes,
638         .mode_valid = radeon_vga_mode_valid,
639         .best_encoder = radeon_best_single_encoder,
640 };
641
642 struct drm_connector_funcs radeon_vga_connector_funcs = {
643         .dpms = drm_helper_connector_dpms,
644         .detect = radeon_vga_detect,
645         .fill_modes = drm_helper_probe_single_connector_modes,
646         .destroy = radeon_connector_destroy,
647         .set_property = radeon_connector_set_property,
648 };
649
650 static int radeon_tv_get_modes(struct drm_connector *connector)
651 {
652         struct drm_device *dev = connector->dev;
653         struct radeon_device *rdev = dev->dev_private;
654         struct drm_display_mode *tv_mode;
655         struct drm_encoder *encoder;
656
657         encoder = radeon_best_single_encoder(connector);
658         if (!encoder)
659                 return 0;
660
661         /* avivo chips can scale any mode */
662         if (rdev->family >= CHIP_RS600)
663                 /* add scaled modes */
664                 radeon_add_common_modes(encoder, connector);
665         else {
666                 /* only 800x600 is supported right now on pre-avivo chips */
667                 tv_mode = drm_cvt_mode(dev, 800, 600, 60, false, false, false);
668                 tv_mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
669                 drm_mode_probed_add(connector, tv_mode);
670         }
671         return 1;
672 }
673
674 static int radeon_tv_mode_valid(struct drm_connector *connector,
675                                 struct drm_display_mode *mode)
676 {
677         if ((mode->hdisplay > 1024) || (mode->vdisplay > 768))
678                 return MODE_CLOCK_RANGE;
679         return MODE_OK;
680 }
681
682 static enum drm_connector_status radeon_tv_detect(struct drm_connector *connector)
683 {
684         struct drm_encoder *encoder;
685         struct drm_encoder_helper_funcs *encoder_funcs;
686         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
687         enum drm_connector_status ret = connector_status_disconnected;
688
689         if (!radeon_connector->dac_load_detect)
690                 return ret;
691
692         encoder = radeon_best_single_encoder(connector);
693         if (!encoder)
694                 ret = connector_status_disconnected;
695         else {
696                 encoder_funcs = encoder->helper_private;
697                 ret = encoder_funcs->detect(encoder, connector);
698         }
699         if (ret == connector_status_connected)
700                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, false);
701         radeon_connector_update_scratch_regs(connector, ret);
702         return ret;
703 }
704
705 struct drm_connector_helper_funcs radeon_tv_connector_helper_funcs = {
706         .get_modes = radeon_tv_get_modes,
707         .mode_valid = radeon_tv_mode_valid,
708         .best_encoder = radeon_best_single_encoder,
709 };
710
711 struct drm_connector_funcs radeon_tv_connector_funcs = {
712         .dpms = drm_helper_connector_dpms,
713         .detect = radeon_tv_detect,
714         .fill_modes = drm_helper_probe_single_connector_modes,
715         .destroy = radeon_connector_destroy,
716         .set_property = radeon_connector_set_property,
717 };
718
719 static int radeon_dvi_get_modes(struct drm_connector *connector)
720 {
721         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
722         int ret;
723
724         ret = radeon_ddc_get_modes(radeon_connector);
725         return ret;
726 }
727
728 /*
729  * DVI is complicated
730  * Do a DDC probe, if DDC probe passes, get the full EDID so
731  * we can do analog/digital monitor detection at this point.
732  * If the monitor is an analog monitor or we got no DDC,
733  * we need to find the DAC encoder object for this connector.
734  * If we got no DDC, we do load detection on the DAC encoder object.
735  * If we got analog DDC or load detection passes on the DAC encoder
736  * we have to check if this analog encoder is shared with anyone else (TV)
737  * if its shared we have to set the other connector to disconnected.
738  */
739 static enum drm_connector_status radeon_dvi_detect(struct drm_connector *connector)
740 {
741         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
742         struct drm_encoder *encoder = NULL;
743         struct drm_encoder_helper_funcs *encoder_funcs;
744         struct drm_mode_object *obj;
745         int i;
746         enum drm_connector_status ret = connector_status_disconnected;
747         bool dret = false;
748
749         if (radeon_connector->ddc_bus)
750                 dret = radeon_ddc_probe(radeon_connector);
751         if (dret) {
752                 if (radeon_connector->edid) {
753                         kfree(radeon_connector->edid);
754                         radeon_connector->edid = NULL;
755                 }
756                 radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
757
758                 if (!radeon_connector->edid) {
759                         DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
760                                         drm_get_connector_name(connector));
761                 } else {
762                         radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
763
764                         /* some oems have boards with separate digital and analog connectors
765                          * with a shared ddc line (often vga + hdmi)
766                          */
767                         if ((!radeon_connector->use_digital) && radeon_connector->shared_ddc) {
768                                 kfree(radeon_connector->edid);
769                                 radeon_connector->edid = NULL;
770                                 ret = connector_status_disconnected;
771                         } else
772                                 ret = connector_status_connected;
773
774                         /* This gets complicated.  We have boards with VGA + HDMI with a
775                          * shared DDC line and we have boards with DVI-D + HDMI with a shared
776                          * DDC line.  The latter is more complex because with DVI<->HDMI adapters
777                          * you don't really know what's connected to which port as both are digital.
778                          */
779                         if (radeon_connector->shared_ddc && (ret == connector_status_connected)) {
780                                 struct drm_device *dev = connector->dev;
781                                 struct radeon_device *rdev = dev->dev_private;
782                                 struct drm_connector *list_connector;
783                                 struct radeon_connector *list_radeon_connector;
784                                 list_for_each_entry(list_connector, &dev->mode_config.connector_list, head) {
785                                         if (connector == list_connector)
786                                                 continue;
787                                         list_radeon_connector = to_radeon_connector(list_connector);
788                                         if (list_radeon_connector->shared_ddc &&
789                                             (list_radeon_connector->ddc_bus->rec.i2c_id ==
790                                              radeon_connector->ddc_bus->rec.i2c_id)) {
791                                                 /* cases where both connectors are digital */
792                                                 if (list_connector->connector_type != DRM_MODE_CONNECTOR_VGA) {
793                                                         /* hpd is our only option in this case */
794                                                         if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
795                                                                 kfree(radeon_connector->edid);
796                                                                 radeon_connector->edid = NULL;
797                                                                 ret = connector_status_disconnected;
798                                                         }
799                                                 }
800                                         }
801                                 }
802                         }
803                 }
804         }
805
806         if ((ret == connector_status_connected) && (radeon_connector->use_digital == true))
807                 goto out;
808
809         /* find analog encoder */
810         if (radeon_connector->dac_load_detect) {
811                 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
812                         if (connector->encoder_ids[i] == 0)
813                                 break;
814
815                         obj = drm_mode_object_find(connector->dev,
816                                                    connector->encoder_ids[i],
817                                                    DRM_MODE_OBJECT_ENCODER);
818                         if (!obj)
819                                 continue;
820
821                         encoder = obj_to_encoder(obj);
822
823                         encoder_funcs = encoder->helper_private;
824                         if (encoder_funcs->detect) {
825                                 if (ret != connector_status_connected) {
826                                         ret = encoder_funcs->detect(encoder, connector);
827                                         if (ret == connector_status_connected) {
828                                                 radeon_connector->use_digital = false;
829                                         }
830                                 }
831                                 break;
832                         }
833                 }
834         }
835
836         if ((ret == connector_status_connected) && (radeon_connector->use_digital == false) &&
837             encoder) {
838                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
839         }
840
841 out:
842         /* updated in get modes as well since we need to know if it's analog or digital */
843         radeon_connector_update_scratch_regs(connector, ret);
844         return ret;
845 }
846
847 /* okay need to be smart in here about which encoder to pick */
848 struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector)
849 {
850         int enc_id = connector->encoder_ids[0];
851         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
852         struct drm_mode_object *obj;
853         struct drm_encoder *encoder;
854         int i;
855         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
856                 if (connector->encoder_ids[i] == 0)
857                         break;
858
859                 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
860                 if (!obj)
861                         continue;
862
863                 encoder = obj_to_encoder(obj);
864
865                 if (radeon_connector->use_digital == true) {
866                         if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)
867                                 return encoder;
868                 } else {
869                         if (encoder->encoder_type == DRM_MODE_ENCODER_DAC ||
870                             encoder->encoder_type == DRM_MODE_ENCODER_TVDAC)
871                                 return encoder;
872                 }
873         }
874
875         /* see if we have a default encoder  TODO */
876
877         /* then check use digitial */
878         /* pick the first one */
879         if (enc_id) {
880                 obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER);
881                 if (!obj)
882                         return NULL;
883                 encoder = obj_to_encoder(obj);
884                 return encoder;
885         }
886         return NULL;
887 }
888
889 static void radeon_dvi_force(struct drm_connector *connector)
890 {
891         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
892         if (connector->force == DRM_FORCE_ON)
893                 radeon_connector->use_digital = false;
894         if (connector->force == DRM_FORCE_ON_DIGITAL)
895                 radeon_connector->use_digital = true;
896 }
897
898 static int radeon_dvi_mode_valid(struct drm_connector *connector,
899                                   struct drm_display_mode *mode)
900 {
901         struct drm_device *dev = connector->dev;
902         struct radeon_device *rdev = dev->dev_private;
903         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
904
905         /* XXX check mode bandwidth */
906
907         /* clocks over 135 MHz have heat issues with DVI on RV100 */
908         if (radeon_connector->use_digital &&
909             (rdev->family == CHIP_RV100) &&
910             (mode->clock > 135000))
911                 return MODE_CLOCK_HIGH;
912
913         if (radeon_connector->use_digital && (mode->clock > 165000)) {
914                 if ((radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) ||
915                     (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) ||
916                     (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B))
917                         return MODE_OK;
918                 else
919                         return MODE_CLOCK_HIGH;
920         }
921         return MODE_OK;
922 }
923
924 struct drm_connector_helper_funcs radeon_dvi_connector_helper_funcs = {
925         .get_modes = radeon_dvi_get_modes,
926         .mode_valid = radeon_dvi_mode_valid,
927         .best_encoder = radeon_dvi_encoder,
928 };
929
930 struct drm_connector_funcs radeon_dvi_connector_funcs = {
931         .dpms = drm_helper_connector_dpms,
932         .detect = radeon_dvi_detect,
933         .fill_modes = drm_helper_probe_single_connector_modes,
934         .set_property = radeon_connector_set_property,
935         .destroy = radeon_connector_destroy,
936         .force = radeon_dvi_force,
937 };
938
939 static void radeon_dp_connector_destroy(struct drm_connector *connector)
940 {
941         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
942         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
943
944         if (radeon_connector->ddc_bus)
945                 radeon_i2c_destroy(radeon_connector->ddc_bus);
946         if (radeon_connector->edid)
947                 kfree(radeon_connector->edid);
948         if (radeon_dig_connector->dp_i2c_bus)
949                 radeon_i2c_destroy(radeon_dig_connector->dp_i2c_bus);
950         kfree(radeon_connector->con_priv);
951         drm_sysfs_connector_remove(connector);
952         drm_connector_cleanup(connector);
953         kfree(connector);
954 }
955
956 static int radeon_dp_get_modes(struct drm_connector *connector)
957 {
958         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
959         int ret;
960
961         ret = radeon_ddc_get_modes(radeon_connector);
962         return ret;
963 }
964
965 static enum drm_connector_status radeon_dp_detect(struct drm_connector *connector)
966 {
967         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
968         enum drm_connector_status ret = connector_status_disconnected;
969         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
970         u8 sink_type;
971
972         if (radeon_connector->edid) {
973                 kfree(radeon_connector->edid);
974                 radeon_connector->edid = NULL;
975         }
976
977         sink_type = radeon_dp_getsinktype(radeon_connector);
978         if ((sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
979             (sink_type == CONNECTOR_OBJECT_ID_eDP)) {
980                 if (radeon_dp_getdpcd(radeon_connector)) {
981                         radeon_dig_connector->dp_sink_type = sink_type;
982                         ret = connector_status_connected;
983                 }
984         } else {
985                 if (radeon_ddc_probe(radeon_connector)) {
986                         radeon_dig_connector->dp_sink_type = sink_type;
987                         ret = connector_status_connected;
988                 }
989         }
990
991         return ret;
992 }
993
994 static int radeon_dp_mode_valid(struct drm_connector *connector,
995                                   struct drm_display_mode *mode)
996 {
997         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
998         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
999
1000         /* XXX check mode bandwidth */
1001
1002         if ((radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
1003             (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP))
1004                 return radeon_dp_mode_valid_helper(radeon_connector, mode);
1005         else
1006                 return MODE_OK;
1007 }
1008
1009 struct drm_connector_helper_funcs radeon_dp_connector_helper_funcs = {
1010         .get_modes = radeon_dp_get_modes,
1011         .mode_valid = radeon_dp_mode_valid,
1012         .best_encoder = radeon_dvi_encoder,
1013 };
1014
1015 struct drm_connector_funcs radeon_dp_connector_funcs = {
1016         .dpms = drm_helper_connector_dpms,
1017         .detect = radeon_dp_detect,
1018         .fill_modes = drm_helper_probe_single_connector_modes,
1019         .set_property = radeon_connector_set_property,
1020         .destroy = radeon_dp_connector_destroy,
1021         .force = radeon_dvi_force,
1022 };
1023
1024 void
1025 radeon_add_atom_connector(struct drm_device *dev,
1026                           uint32_t connector_id,
1027                           uint32_t supported_device,
1028                           int connector_type,
1029                           struct radeon_i2c_bus_rec *i2c_bus,
1030                           bool linkb,
1031                           uint32_t igp_lane_info,
1032                           uint16_t connector_object_id,
1033                           struct radeon_hpd *hpd)
1034 {
1035         struct radeon_device *rdev = dev->dev_private;
1036         struct drm_connector *connector;
1037         struct radeon_connector *radeon_connector;
1038         struct radeon_connector_atom_dig *radeon_dig_connector;
1039         uint32_t subpixel_order = SubPixelNone;
1040         bool shared_ddc = false;
1041
1042         /* fixme - tv/cv/din */
1043         if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1044                 return;
1045
1046         /* see if we already added it */
1047         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1048                 radeon_connector = to_radeon_connector(connector);
1049                 if (radeon_connector->connector_id == connector_id) {
1050                         radeon_connector->devices |= supported_device;
1051                         return;
1052                 }
1053                 if (radeon_connector->ddc_bus && i2c_bus->valid) {
1054                         if (radeon_connector->ddc_bus->rec.i2c_id == i2c_bus->i2c_id) {
1055                                 radeon_connector->shared_ddc = true;
1056                                 shared_ddc = true;
1057                         }
1058                 }
1059         }
1060
1061         radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1062         if (!radeon_connector)
1063                 return;
1064
1065         connector = &radeon_connector->base;
1066
1067         radeon_connector->connector_id = connector_id;
1068         radeon_connector->devices = supported_device;
1069         radeon_connector->shared_ddc = shared_ddc;
1070         radeon_connector->connector_object_id = connector_object_id;
1071         radeon_connector->hpd = *hpd;
1072         switch (connector_type) {
1073         case DRM_MODE_CONNECTOR_VGA:
1074                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1075                 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1076                 if (i2c_bus->valid) {
1077                         radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "VGA");
1078                         if (!radeon_connector->ddc_bus)
1079                                 goto failed;
1080                 }
1081                 radeon_connector->dac_load_detect = true;
1082                 drm_connector_attach_property(&radeon_connector->base,
1083                                               rdev->mode_info.load_detect_property,
1084                                               1);
1085                 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1086                 break;
1087         case DRM_MODE_CONNECTOR_DVIA:
1088                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1089                 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1090                 if (i2c_bus->valid) {
1091                         radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "DVI");
1092                         if (!radeon_connector->ddc_bus)
1093                                 goto failed;
1094                 }
1095                 radeon_connector->dac_load_detect = true;
1096                 drm_connector_attach_property(&radeon_connector->base,
1097                                               rdev->mode_info.load_detect_property,
1098                                               1);
1099                 break;
1100         case DRM_MODE_CONNECTOR_DVII:
1101         case DRM_MODE_CONNECTOR_DVID:
1102                 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1103                 if (!radeon_dig_connector)
1104                         goto failed;
1105                 radeon_dig_connector->linkb = linkb;
1106                 radeon_dig_connector->igp_lane_info = igp_lane_info;
1107                 radeon_connector->con_priv = radeon_dig_connector;
1108                 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1109                 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1110                 if (i2c_bus->valid) {
1111                         radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "DVI");
1112                         if (!radeon_connector->ddc_bus)
1113                                 goto failed;
1114                 }
1115                 subpixel_order = SubPixelHorizontalRGB;
1116                 drm_connector_attach_property(&radeon_connector->base,
1117                                               rdev->mode_info.coherent_mode_property,
1118                                               1);
1119                 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1120                         radeon_connector->dac_load_detect = true;
1121                         drm_connector_attach_property(&radeon_connector->base,
1122                                                       rdev->mode_info.load_detect_property,
1123                                                       1);
1124                 }
1125                 break;
1126         case DRM_MODE_CONNECTOR_HDMIA:
1127         case DRM_MODE_CONNECTOR_HDMIB:
1128                 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1129                 if (!radeon_dig_connector)
1130                         goto failed;
1131                 radeon_dig_connector->linkb = linkb;
1132                 radeon_dig_connector->igp_lane_info = igp_lane_info;
1133                 radeon_connector->con_priv = radeon_dig_connector;
1134                 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1135                 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1136                 if (i2c_bus->valid) {
1137                         radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "HDMI");
1138                         if (!radeon_connector->ddc_bus)
1139                                 goto failed;
1140                 }
1141                 drm_connector_attach_property(&radeon_connector->base,
1142                                               rdev->mode_info.coherent_mode_property,
1143                                               1);
1144                 subpixel_order = SubPixelHorizontalRGB;
1145                 break;
1146         case DRM_MODE_CONNECTOR_DisplayPort:
1147         case DRM_MODE_CONNECTOR_eDP:
1148                 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1149                 if (!radeon_dig_connector)
1150                         goto failed;
1151                 radeon_dig_connector->linkb = linkb;
1152                 radeon_dig_connector->igp_lane_info = igp_lane_info;
1153                 radeon_connector->con_priv = radeon_dig_connector;
1154                 drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
1155                 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
1156                 if (i2c_bus->valid) {
1157                         /* add DP i2c bus */
1158                         if (connector_type == DRM_MODE_CONNECTOR_eDP)
1159                                 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "eDP-auxch");
1160                         else
1161                                 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "DP-auxch");
1162                         if (!radeon_dig_connector->dp_i2c_bus)
1163                                 goto failed;
1164                         if (connector_type == DRM_MODE_CONNECTOR_eDP)
1165                                 radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "eDP");
1166                         else
1167                                 radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "DP");
1168                         if (!radeon_connector->ddc_bus)
1169                                 goto failed;
1170                 }
1171                 subpixel_order = SubPixelHorizontalRGB;
1172                 drm_connector_attach_property(&radeon_connector->base,
1173                                               rdev->mode_info.coherent_mode_property,
1174                                               1);
1175                 break;
1176         case DRM_MODE_CONNECTOR_SVIDEO:
1177         case DRM_MODE_CONNECTOR_Composite:
1178         case DRM_MODE_CONNECTOR_9PinDIN:
1179                 if (radeon_tv == 1) {
1180                         drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
1181                         drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
1182                         radeon_connector->dac_load_detect = true;
1183                         drm_connector_attach_property(&radeon_connector->base,
1184                                                       rdev->mode_info.load_detect_property,
1185                                                       1);
1186                         drm_connector_attach_property(&radeon_connector->base,
1187                                                       rdev->mode_info.tv_std_property,
1188                                                       radeon_atombios_get_tv_info(rdev));
1189                 }
1190                 break;
1191         case DRM_MODE_CONNECTOR_LVDS:
1192                 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1193                 if (!radeon_dig_connector)
1194                         goto failed;
1195                 radeon_dig_connector->linkb = linkb;
1196                 radeon_dig_connector->igp_lane_info = igp_lane_info;
1197                 radeon_connector->con_priv = radeon_dig_connector;
1198                 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
1199                 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
1200                 if (i2c_bus->valid) {
1201                         radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "LVDS");
1202                         if (!radeon_connector->ddc_bus)
1203                                 goto failed;
1204                 }
1205                 drm_connector_attach_property(&radeon_connector->base,
1206                                               dev->mode_config.scaling_mode_property,
1207                                               DRM_MODE_SCALE_FULLSCREEN);
1208                 subpixel_order = SubPixelHorizontalRGB;
1209                 break;
1210         }
1211
1212         if (hpd->hpd == RADEON_HPD_NONE) {
1213                 if (i2c_bus->valid)
1214                         connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1215         } else
1216                 connector->polled = DRM_CONNECTOR_POLL_HPD;
1217
1218         connector->display_info.subpixel_order = subpixel_order;
1219         drm_sysfs_connector_add(connector);
1220         return;
1221
1222 failed:
1223         if (radeon_connector->ddc_bus)
1224                 radeon_i2c_destroy(radeon_connector->ddc_bus);
1225         drm_connector_cleanup(connector);
1226         kfree(connector);
1227 }
1228
1229 void
1230 radeon_add_legacy_connector(struct drm_device *dev,
1231                             uint32_t connector_id,
1232                             uint32_t supported_device,
1233                             int connector_type,
1234                             struct radeon_i2c_bus_rec *i2c_bus,
1235                             uint16_t connector_object_id,
1236                             struct radeon_hpd *hpd)
1237 {
1238         struct radeon_device *rdev = dev->dev_private;
1239         struct drm_connector *connector;
1240         struct radeon_connector *radeon_connector;
1241         uint32_t subpixel_order = SubPixelNone;
1242
1243         /* fixme - tv/cv/din */
1244         if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1245                 return;
1246
1247         /* see if we already added it */
1248         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1249                 radeon_connector = to_radeon_connector(connector);
1250                 if (radeon_connector->connector_id == connector_id) {
1251                         radeon_connector->devices |= supported_device;
1252                         return;
1253                 }
1254         }
1255
1256         radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1257         if (!radeon_connector)
1258                 return;
1259
1260         connector = &radeon_connector->base;
1261
1262         radeon_connector->connector_id = connector_id;
1263         radeon_connector->devices = supported_device;
1264         radeon_connector->connector_object_id = connector_object_id;
1265         radeon_connector->hpd = *hpd;
1266         switch (connector_type) {
1267         case DRM_MODE_CONNECTOR_VGA:
1268                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1269                 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1270                 if (i2c_bus->valid) {
1271                         radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "VGA");
1272                         if (!radeon_connector->ddc_bus)
1273                                 goto failed;
1274                 }
1275                 radeon_connector->dac_load_detect = true;
1276                 drm_connector_attach_property(&radeon_connector->base,
1277                                               rdev->mode_info.load_detect_property,
1278                                               1);
1279                 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1280                 break;
1281         case DRM_MODE_CONNECTOR_DVIA:
1282                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1283                 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1284                 if (i2c_bus->valid) {
1285                         radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "DVI");
1286                         if (!radeon_connector->ddc_bus)
1287                                 goto failed;
1288                 }
1289                 radeon_connector->dac_load_detect = true;
1290                 drm_connector_attach_property(&radeon_connector->base,
1291                                               rdev->mode_info.load_detect_property,
1292                                               1);
1293                 break;
1294         case DRM_MODE_CONNECTOR_DVII:
1295         case DRM_MODE_CONNECTOR_DVID:
1296                 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1297                 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1298                 if (i2c_bus->valid) {
1299                         radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "DVI");
1300                         if (!radeon_connector->ddc_bus)
1301                                 goto failed;
1302                 }
1303                 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1304                         radeon_connector->dac_load_detect = true;
1305                         drm_connector_attach_property(&radeon_connector->base,
1306                                                       rdev->mode_info.load_detect_property,
1307                                                       1);
1308                 }
1309                 subpixel_order = SubPixelHorizontalRGB;
1310                 break;
1311         case DRM_MODE_CONNECTOR_SVIDEO:
1312         case DRM_MODE_CONNECTOR_Composite:
1313         case DRM_MODE_CONNECTOR_9PinDIN:
1314                 if (radeon_tv == 1) {
1315                         drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
1316                         drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
1317                         radeon_connector->dac_load_detect = true;
1318                         /* RS400,RC410,RS480 chipset seems to report a lot
1319                          * of false positive on load detect, we haven't yet
1320                          * found a way to make load detect reliable on those
1321                          * chipset, thus just disable it for TV.
1322                          */
1323                         if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480)
1324                                 radeon_connector->dac_load_detect = false;
1325                         drm_connector_attach_property(&radeon_connector->base,
1326                                                       rdev->mode_info.load_detect_property,
1327                                                       radeon_connector->dac_load_detect);
1328                         drm_connector_attach_property(&radeon_connector->base,
1329                                                       rdev->mode_info.tv_std_property,
1330                                                       radeon_combios_get_tv_info(rdev));
1331                 }
1332                 break;
1333         case DRM_MODE_CONNECTOR_LVDS:
1334                 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
1335                 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
1336                 if (i2c_bus->valid) {
1337                         radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "LVDS");
1338                         if (!radeon_connector->ddc_bus)
1339                                 goto failed;
1340                 }
1341                 drm_connector_attach_property(&radeon_connector->base,
1342                                               dev->mode_config.scaling_mode_property,
1343                                               DRM_MODE_SCALE_FULLSCREEN);
1344                 subpixel_order = SubPixelHorizontalRGB;
1345                 break;
1346         }
1347
1348         if (hpd->hpd == RADEON_HPD_NONE) {
1349                 if (i2c_bus->valid)
1350                         connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1351         } else
1352                 connector->polled = DRM_CONNECTOR_POLL_HPD;
1353         connector->display_info.subpixel_order = subpixel_order;
1354         drm_sysfs_connector_add(connector);
1355         return;
1356
1357 failed:
1358         if (radeon_connector->ddc_bus)
1359                 radeon_i2c_destroy(radeon_connector->ddc_bus);
1360         drm_connector_cleanup(connector);
1361         kfree(connector);
1362 }