Merge remote branch 'nouveau/for-airlied' of nouveau-2.6
[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         int i;
166
167         list_for_each_entry(conflict, &dev->mode_config.connector_list, head) {
168                 if (conflict == connector)
169                         continue;
170
171                 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
172                         if (conflict->encoder_ids[i] == 0)
173                                 break;
174
175                         /* if the IDs match */
176                         if (conflict->encoder_ids[i] == encoder->base.id) {
177                                 if (conflict->status != connector_status_connected)
178                                         continue;
179
180                                 if (priority == true) {
181                                         DRM_INFO("1: conflicting encoders switching off %s\n", drm_get_connector_name(conflict));
182                                         DRM_INFO("in favor of %s\n", drm_get_connector_name(connector));
183                                         conflict->status = connector_status_disconnected;
184                                         radeon_connector_update_scratch_regs(conflict, connector_status_disconnected);
185                                 } else {
186                                         DRM_INFO("2: conflicting encoders switching off %s\n", drm_get_connector_name(connector));
187                                         DRM_INFO("in favor of %s\n", drm_get_connector_name(conflict));
188                                         current_status = connector_status_disconnected;
189                                 }
190                                 break;
191                         }
192                 }
193         }
194         return current_status;
195
196 }
197
198 static struct drm_display_mode *radeon_fp_native_mode(struct drm_encoder *encoder)
199 {
200         struct drm_device *dev = encoder->dev;
201         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
202         struct drm_display_mode *mode = NULL;
203         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
204
205         if (native_mode->hdisplay != 0 &&
206             native_mode->vdisplay != 0 &&
207             native_mode->clock != 0) {
208                 mode = drm_mode_duplicate(dev, native_mode);
209                 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
210                 drm_mode_set_name(mode);
211
212                 DRM_DEBUG("Adding native panel mode %s\n", mode->name);
213         } else if (native_mode->hdisplay != 0 &&
214                    native_mode->vdisplay != 0) {
215                 /* mac laptops without an edid */
216                 /* Note that this is not necessarily the exact panel mode,
217                  * but an approximation based on the cvt formula.  For these
218                  * systems we should ideally read the mode info out of the
219                  * registers or add a mode table, but this works and is much
220                  * simpler.
221                  */
222                 mode = drm_cvt_mode(dev, native_mode->hdisplay, native_mode->vdisplay, 60, true, false, false);
223                 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
224                 DRM_DEBUG("Adding cvt approximation of native panel mode %s\n", mode->name);
225         }
226         return mode;
227 }
228
229 static void radeon_add_common_modes(struct drm_encoder *encoder, struct drm_connector *connector)
230 {
231         struct drm_device *dev = encoder->dev;
232         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
233         struct drm_display_mode *mode = NULL;
234         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
235         int i;
236         struct mode_size {
237                 int w;
238                 int h;
239         } common_modes[17] = {
240                 { 640,  480},
241                 { 720,  480},
242                 { 800,  600},
243                 { 848,  480},
244                 {1024,  768},
245                 {1152,  768},
246                 {1280,  720},
247                 {1280,  800},
248                 {1280,  854},
249                 {1280,  960},
250                 {1280, 1024},
251                 {1440,  900},
252                 {1400, 1050},
253                 {1680, 1050},
254                 {1600, 1200},
255                 {1920, 1080},
256                 {1920, 1200}
257         };
258
259         for (i = 0; i < 17; i++) {
260                 if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) {
261                         if (common_modes[i].w > 1024 ||
262                             common_modes[i].h > 768)
263                                 continue;
264                 }
265                 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
266                         if (common_modes[i].w > native_mode->hdisplay ||
267                             common_modes[i].h > native_mode->vdisplay ||
268                             (common_modes[i].w == native_mode->hdisplay &&
269                              common_modes[i].h == native_mode->vdisplay))
270                                 continue;
271                 }
272                 if (common_modes[i].w < 320 || common_modes[i].h < 200)
273                         continue;
274
275                 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 60, false, false, false);
276                 drm_mode_probed_add(connector, mode);
277         }
278 }
279
280 int radeon_connector_set_property(struct drm_connector *connector, struct drm_property *property,
281                                   uint64_t val)
282 {
283         struct drm_device *dev = connector->dev;
284         struct radeon_device *rdev = dev->dev_private;
285         struct drm_encoder *encoder;
286         struct radeon_encoder *radeon_encoder;
287
288         if (property == rdev->mode_info.coherent_mode_property) {
289                 struct radeon_encoder_atom_dig *dig;
290
291                 /* need to find digital encoder on connector */
292                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
293                 if (!encoder)
294                         return 0;
295
296                 radeon_encoder = to_radeon_encoder(encoder);
297
298                 if (!radeon_encoder->enc_priv)
299                         return 0;
300
301                 dig = radeon_encoder->enc_priv;
302                 dig->coherent_mode = val ? true : false;
303                 radeon_property_change_mode(&radeon_encoder->base);
304         }
305
306         if (property == rdev->mode_info.tv_std_property) {
307                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TVDAC);
308                 if (!encoder) {
309                         encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_DAC);
310                 }
311
312                 if (!encoder)
313                         return 0;
314
315                 radeon_encoder = to_radeon_encoder(encoder);
316                 if (!radeon_encoder->enc_priv)
317                         return 0;
318                 if (rdev->is_atom_bios) {
319                         struct radeon_encoder_atom_dac *dac_int;
320                         dac_int = radeon_encoder->enc_priv;
321                         dac_int->tv_std = val;
322                 } else {
323                         struct radeon_encoder_tv_dac *dac_int;
324                         dac_int = radeon_encoder->enc_priv;
325                         dac_int->tv_std = val;
326                 }
327                 radeon_property_change_mode(&radeon_encoder->base);
328         }
329
330         if (property == rdev->mode_info.load_detect_property) {
331                 struct radeon_connector *radeon_connector =
332                         to_radeon_connector(connector);
333
334                 if (val == 0)
335                         radeon_connector->dac_load_detect = false;
336                 else
337                         radeon_connector->dac_load_detect = true;
338         }
339
340         if (property == rdev->mode_info.tmds_pll_property) {
341                 struct radeon_encoder_int_tmds *tmds = NULL;
342                 bool ret = false;
343                 /* need to find digital encoder on connector */
344                 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
345                 if (!encoder)
346                         return 0;
347
348                 radeon_encoder = to_radeon_encoder(encoder);
349
350                 tmds = radeon_encoder->enc_priv;
351                 if (!tmds)
352                         return 0;
353
354                 if (val == 0) {
355                         if (rdev->is_atom_bios)
356                                 ret = radeon_atombios_get_tmds_info(radeon_encoder, tmds);
357                         else
358                                 ret = radeon_legacy_get_tmds_info_from_combios(radeon_encoder, tmds);
359                 }
360                 if (val == 1 || ret == false) {
361                         radeon_legacy_get_tmds_info_from_table(radeon_encoder, tmds);
362                 }
363                 radeon_property_change_mode(&radeon_encoder->base);
364         }
365
366         return 0;
367 }
368
369 static void radeon_fixup_lvds_native_mode(struct drm_encoder *encoder,
370                                           struct drm_connector *connector)
371 {
372         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
373         struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
374
375         /* Try to get native mode details from EDID if necessary */
376         if (!native_mode->clock) {
377                 struct drm_display_mode *t, *mode;
378
379                 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
380                         if (mode->hdisplay == native_mode->hdisplay &&
381                             mode->vdisplay == native_mode->vdisplay) {
382                                 *native_mode = *mode;
383                                 drm_mode_set_crtcinfo(native_mode, CRTC_INTERLACE_HALVE_V);
384                                 DRM_INFO("Determined LVDS native mode details from EDID\n");
385                                 break;
386                         }
387                 }
388         }
389         if (!native_mode->clock) {
390                 DRM_INFO("No LVDS native mode details, disabling RMX\n");
391                 radeon_encoder->rmx_type = RMX_OFF;
392         }
393 }
394
395 static int radeon_lvds_get_modes(struct drm_connector *connector)
396 {
397         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
398         struct drm_encoder *encoder;
399         int ret = 0;
400         struct drm_display_mode *mode;
401
402         if (radeon_connector->ddc_bus) {
403                 ret = radeon_ddc_get_modes(radeon_connector);
404                 if (ret > 0) {
405                         encoder = radeon_best_single_encoder(connector);
406                         if (encoder) {
407                                 radeon_fixup_lvds_native_mode(encoder, connector);
408                                 /* add scaled modes */
409                                 radeon_add_common_modes(encoder, connector);
410                         }
411                         return ret;
412                 }
413         }
414
415         encoder = radeon_best_single_encoder(connector);
416         if (!encoder)
417                 return 0;
418
419         /* we have no EDID modes */
420         mode = radeon_fp_native_mode(encoder);
421         if (mode) {
422                 ret = 1;
423                 drm_mode_probed_add(connector, mode);
424                 /* add scaled modes */
425                 radeon_add_common_modes(encoder, connector);
426         }
427
428         return ret;
429 }
430
431 static int radeon_lvds_mode_valid(struct drm_connector *connector,
432                                   struct drm_display_mode *mode)
433 {
434         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
435
436         if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
437                 return MODE_PANEL;
438
439         if (encoder) {
440                 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
441                 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
442
443                 /* AVIVO hardware supports downscaling modes larger than the panel
444                  * to the panel size, but I'm not sure this is desirable.
445                  */
446                 if ((mode->hdisplay > native_mode->hdisplay) ||
447                     (mode->vdisplay > native_mode->vdisplay))
448                         return MODE_PANEL;
449
450                 /* if scaling is disabled, block non-native modes */
451                 if (radeon_encoder->rmx_type == RMX_OFF) {
452                         if ((mode->hdisplay != native_mode->hdisplay) ||
453                             (mode->vdisplay != native_mode->vdisplay))
454                                 return MODE_PANEL;
455                 }
456         }
457
458         return MODE_OK;
459 }
460
461 static enum drm_connector_status radeon_lvds_detect(struct drm_connector *connector)
462 {
463         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
464         struct drm_encoder *encoder = radeon_best_single_encoder(connector);
465         enum drm_connector_status ret = connector_status_disconnected;
466
467         if (encoder) {
468                 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
469                 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
470
471                 /* check if panel is valid */
472                 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
473                         ret = connector_status_connected;
474
475         }
476
477         /* check for edid as well */
478         if (radeon_connector->edid)
479                 ret = connector_status_connected;
480         else {
481                 if (radeon_connector->ddc_bus) {
482                         radeon_i2c_do_lock(radeon_connector->ddc_bus, 1);
483                         radeon_connector->edid = drm_get_edid(&radeon_connector->base,
484                                                               &radeon_connector->ddc_bus->adapter);
485                         radeon_i2c_do_lock(radeon_connector->ddc_bus, 0);
486                         if (radeon_connector->edid)
487                                 ret = connector_status_connected;
488                 }
489         }
490         /* check acpi lid status ??? */
491
492         radeon_connector_update_scratch_regs(connector, ret);
493         return ret;
494 }
495
496 static void radeon_connector_destroy(struct drm_connector *connector)
497 {
498         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
499
500         if (radeon_connector->ddc_bus)
501                 radeon_i2c_destroy(radeon_connector->ddc_bus);
502         if (radeon_connector->edid)
503                 kfree(radeon_connector->edid);
504         kfree(radeon_connector->con_priv);
505         drm_sysfs_connector_remove(connector);
506         drm_connector_cleanup(connector);
507         kfree(connector);
508 }
509
510 static int radeon_lvds_set_property(struct drm_connector *connector,
511                                     struct drm_property *property,
512                                     uint64_t value)
513 {
514         struct drm_device *dev = connector->dev;
515         struct radeon_encoder *radeon_encoder;
516         enum radeon_rmx_type rmx_type;
517
518         DRM_DEBUG("\n");
519         if (property != dev->mode_config.scaling_mode_property)
520                 return 0;
521
522         if (connector->encoder)
523                 radeon_encoder = to_radeon_encoder(connector->encoder);
524         else {
525                 struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
526                 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
527         }
528
529         switch (value) {
530         case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
531         case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
532         case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
533         default:
534         case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
535         }
536         if (radeon_encoder->rmx_type == rmx_type)
537                 return 0;
538
539         radeon_encoder->rmx_type = rmx_type;
540
541         radeon_property_change_mode(&radeon_encoder->base);
542         return 0;
543 }
544
545
546 struct drm_connector_helper_funcs radeon_lvds_connector_helper_funcs = {
547         .get_modes = radeon_lvds_get_modes,
548         .mode_valid = radeon_lvds_mode_valid,
549         .best_encoder = radeon_best_single_encoder,
550 };
551
552 struct drm_connector_funcs radeon_lvds_connector_funcs = {
553         .dpms = drm_helper_connector_dpms,
554         .detect = radeon_lvds_detect,
555         .fill_modes = drm_helper_probe_single_connector_modes,
556         .destroy = radeon_connector_destroy,
557         .set_property = radeon_lvds_set_property,
558 };
559
560 static int radeon_vga_get_modes(struct drm_connector *connector)
561 {
562         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
563         int ret;
564
565         ret = radeon_ddc_get_modes(radeon_connector);
566
567         return ret;
568 }
569
570 static int radeon_vga_mode_valid(struct drm_connector *connector,
571                                   struct drm_display_mode *mode)
572 {
573         /* XXX check mode bandwidth */
574         /* XXX verify against max DAC output frequency */
575         return MODE_OK;
576 }
577
578 static enum drm_connector_status radeon_vga_detect(struct drm_connector *connector)
579 {
580         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
581         struct drm_encoder *encoder;
582         struct drm_encoder_helper_funcs *encoder_funcs;
583         bool dret;
584         enum drm_connector_status ret = connector_status_disconnected;
585
586         encoder = radeon_best_single_encoder(connector);
587         if (!encoder)
588                 ret = connector_status_disconnected;
589
590         radeon_i2c_do_lock(radeon_connector->ddc_bus, 1);
591         dret = radeon_ddc_probe(radeon_connector);
592         radeon_i2c_do_lock(radeon_connector->ddc_bus, 0);
593         if (dret) {
594                 if (radeon_connector->edid) {
595                         kfree(radeon_connector->edid);
596                         radeon_connector->edid = NULL;
597                 }
598                 radeon_i2c_do_lock(radeon_connector->ddc_bus, 1);
599                 radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
600                 radeon_i2c_do_lock(radeon_connector->ddc_bus, 0);
601
602                 if (!radeon_connector->edid) {
603                         DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
604                                         drm_get_connector_name(connector));
605                         ret = connector_status_connected;
606                 } else {
607                         radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
608
609                         /* some oems have boards with separate digital and analog connectors
610                          * with a shared ddc line (often vga + hdmi)
611                          */
612                         if (radeon_connector->use_digital && radeon_connector->shared_ddc) {
613                                 kfree(radeon_connector->edid);
614                                 radeon_connector->edid = NULL;
615                                 ret = connector_status_disconnected;
616                         } else
617                                 ret = connector_status_connected;
618                 }
619         } else {
620                 if (radeon_connector->dac_load_detect && encoder) {
621                         encoder_funcs = encoder->helper_private;
622                         ret = encoder_funcs->detect(encoder, connector);
623                 }
624         }
625
626         if (ret == connector_status_connected)
627                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
628         radeon_connector_update_scratch_regs(connector, ret);
629         return ret;
630 }
631
632 struct drm_connector_helper_funcs radeon_vga_connector_helper_funcs = {
633         .get_modes = radeon_vga_get_modes,
634         .mode_valid = radeon_vga_mode_valid,
635         .best_encoder = radeon_best_single_encoder,
636 };
637
638 struct drm_connector_funcs radeon_vga_connector_funcs = {
639         .dpms = drm_helper_connector_dpms,
640         .detect = radeon_vga_detect,
641         .fill_modes = drm_helper_probe_single_connector_modes,
642         .destroy = radeon_connector_destroy,
643         .set_property = radeon_connector_set_property,
644 };
645
646 static int radeon_tv_get_modes(struct drm_connector *connector)
647 {
648         struct drm_device *dev = connector->dev;
649         struct radeon_device *rdev = dev->dev_private;
650         struct drm_display_mode *tv_mode;
651         struct drm_encoder *encoder;
652
653         encoder = radeon_best_single_encoder(connector);
654         if (!encoder)
655                 return 0;
656
657         /* avivo chips can scale any mode */
658         if (rdev->family >= CHIP_RS600)
659                 /* add scaled modes */
660                 radeon_add_common_modes(encoder, connector);
661         else {
662                 /* only 800x600 is supported right now on pre-avivo chips */
663                 tv_mode = drm_cvt_mode(dev, 800, 600, 60, false, false, false);
664                 tv_mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
665                 drm_mode_probed_add(connector, tv_mode);
666         }
667         return 1;
668 }
669
670 static int radeon_tv_mode_valid(struct drm_connector *connector,
671                                 struct drm_display_mode *mode)
672 {
673         if ((mode->hdisplay > 1024) || (mode->vdisplay > 768))
674                 return MODE_CLOCK_RANGE;
675         return MODE_OK;
676 }
677
678 static enum drm_connector_status radeon_tv_detect(struct drm_connector *connector)
679 {
680         struct drm_encoder *encoder;
681         struct drm_encoder_helper_funcs *encoder_funcs;
682         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
683         enum drm_connector_status ret = connector_status_disconnected;
684
685         if (!radeon_connector->dac_load_detect)
686                 return ret;
687
688         encoder = radeon_best_single_encoder(connector);
689         if (!encoder)
690                 ret = connector_status_disconnected;
691         else {
692                 encoder_funcs = encoder->helper_private;
693                 ret = encoder_funcs->detect(encoder, connector);
694         }
695         if (ret == connector_status_connected)
696                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, false);
697         radeon_connector_update_scratch_regs(connector, ret);
698         return ret;
699 }
700
701 struct drm_connector_helper_funcs radeon_tv_connector_helper_funcs = {
702         .get_modes = radeon_tv_get_modes,
703         .mode_valid = radeon_tv_mode_valid,
704         .best_encoder = radeon_best_single_encoder,
705 };
706
707 struct drm_connector_funcs radeon_tv_connector_funcs = {
708         .dpms = drm_helper_connector_dpms,
709         .detect = radeon_tv_detect,
710         .fill_modes = drm_helper_probe_single_connector_modes,
711         .destroy = radeon_connector_destroy,
712         .set_property = radeon_connector_set_property,
713 };
714
715 static int radeon_dvi_get_modes(struct drm_connector *connector)
716 {
717         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
718         int ret;
719
720         ret = radeon_ddc_get_modes(radeon_connector);
721         return ret;
722 }
723
724 /*
725  * DVI is complicated
726  * Do a DDC probe, if DDC probe passes, get the full EDID so
727  * we can do analog/digital monitor detection at this point.
728  * If the monitor is an analog monitor or we got no DDC,
729  * we need to find the DAC encoder object for this connector.
730  * If we got no DDC, we do load detection on the DAC encoder object.
731  * If we got analog DDC or load detection passes on the DAC encoder
732  * we have to check if this analog encoder is shared with anyone else (TV)
733  * if its shared we have to set the other connector to disconnected.
734  */
735 static enum drm_connector_status radeon_dvi_detect(struct drm_connector *connector)
736 {
737         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
738         struct drm_encoder *encoder = NULL;
739         struct drm_encoder_helper_funcs *encoder_funcs;
740         struct drm_mode_object *obj;
741         int i;
742         enum drm_connector_status ret = connector_status_disconnected;
743         bool dret;
744
745         radeon_i2c_do_lock(radeon_connector->ddc_bus, 1);
746         dret = radeon_ddc_probe(radeon_connector);
747         radeon_i2c_do_lock(radeon_connector->ddc_bus, 0);
748         if (dret) {
749                 if (radeon_connector->edid) {
750                         kfree(radeon_connector->edid);
751                         radeon_connector->edid = NULL;
752                 }
753                 radeon_i2c_do_lock(radeon_connector->ddc_bus, 1);
754                 radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
755                 radeon_i2c_do_lock(radeon_connector->ddc_bus, 0);
756
757                 if (!radeon_connector->edid) {
758                         DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
759                                         drm_get_connector_name(connector));
760                 } else {
761                         radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
762
763                         /* some oems have boards with separate digital and analog connectors
764                          * with a shared ddc line (often vga + hdmi)
765                          */
766                         if ((!radeon_connector->use_digital) && radeon_connector->shared_ddc) {
767                                 kfree(radeon_connector->edid);
768                                 radeon_connector->edid = NULL;
769                                 ret = connector_status_disconnected;
770                         } else
771                                 ret = connector_status_connected;
772
773                         /* multiple connectors on the same encoder with the same ddc line
774                          * This tends to be HDMI and DVI on the same encoder with the
775                          * same ddc line.  If the edid says HDMI, consider the HDMI port
776                          * connected and the DVI port disconnected.  If the edid doesn't
777                          * say HDMI, vice versa.
778                          */
779                         if (radeon_connector->shared_ddc && connector_status_connected) {
780                                 struct drm_device *dev = connector->dev;
781                                 struct drm_connector *list_connector;
782                                 struct radeon_connector *list_radeon_connector;
783                                 list_for_each_entry(list_connector, &dev->mode_config.connector_list, head) {
784                                         if (connector == list_connector)
785                                                 continue;
786                                         list_radeon_connector = to_radeon_connector(list_connector);
787                                         if (radeon_connector->devices == list_radeon_connector->devices) {
788                                                 if (drm_detect_hdmi_monitor(radeon_connector->edid)) {
789                                                         if (connector->connector_type == DRM_MODE_CONNECTOR_DVID) {
790                                                                 kfree(radeon_connector->edid);
791                                                                 radeon_connector->edid = NULL;
792                                                                 ret = connector_status_disconnected;
793                                                         }
794                                                 } else {
795                                                         if ((connector->connector_type == DRM_MODE_CONNECTOR_HDMIA) ||
796                                                             (connector->connector_type == DRM_MODE_CONNECTOR_HDMIB)) {
797                                                                 kfree(radeon_connector->edid);
798                                                                 radeon_connector->edid = NULL;
799                                                                 ret = connector_status_disconnected;
800                                                         }
801                                                 }
802                                         }
803                                 }
804                         }
805                 }
806         }
807
808         if ((ret == connector_status_connected) && (radeon_connector->use_digital == true))
809                 goto out;
810
811         /* find analog encoder */
812         if (radeon_connector->dac_load_detect) {
813                 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
814                         if (connector->encoder_ids[i] == 0)
815                                 break;
816
817                         obj = drm_mode_object_find(connector->dev,
818                                                    connector->encoder_ids[i],
819                                                    DRM_MODE_OBJECT_ENCODER);
820                         if (!obj)
821                                 continue;
822
823                         encoder = obj_to_encoder(obj);
824
825                         encoder_funcs = encoder->helper_private;
826                         if (encoder_funcs->detect) {
827                                 if (ret != connector_status_connected) {
828                                         ret = encoder_funcs->detect(encoder, connector);
829                                         if (ret == connector_status_connected) {
830                                                 radeon_connector->use_digital = false;
831                                         }
832                                 }
833                                 break;
834                         }
835                 }
836         }
837
838         if ((ret == connector_status_connected) && (radeon_connector->use_digital == false) &&
839             encoder) {
840                 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
841         }
842
843 out:
844         /* updated in get modes as well since we need to know if it's analog or digital */
845         radeon_connector_update_scratch_regs(connector, ret);
846         return ret;
847 }
848
849 /* okay need to be smart in here about which encoder to pick */
850 struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector)
851 {
852         int enc_id = connector->encoder_ids[0];
853         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
854         struct drm_mode_object *obj;
855         struct drm_encoder *encoder;
856         int i;
857         for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
858                 if (connector->encoder_ids[i] == 0)
859                         break;
860
861                 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
862                 if (!obj)
863                         continue;
864
865                 encoder = obj_to_encoder(obj);
866
867                 if (radeon_connector->use_digital == true) {
868                         if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)
869                                 return encoder;
870                 } else {
871                         if (encoder->encoder_type == DRM_MODE_ENCODER_DAC ||
872                             encoder->encoder_type == DRM_MODE_ENCODER_TVDAC)
873                                 return encoder;
874                 }
875         }
876
877         /* see if we have a default encoder  TODO */
878
879         /* then check use digitial */
880         /* pick the first one */
881         if (enc_id) {
882                 obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER);
883                 if (!obj)
884                         return NULL;
885                 encoder = obj_to_encoder(obj);
886                 return encoder;
887         }
888         return NULL;
889 }
890
891 static void radeon_dvi_force(struct drm_connector *connector)
892 {
893         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
894         if (connector->force == DRM_FORCE_ON)
895                 radeon_connector->use_digital = false;
896         if (connector->force == DRM_FORCE_ON_DIGITAL)
897                 radeon_connector->use_digital = true;
898 }
899
900 static int radeon_dvi_mode_valid(struct drm_connector *connector,
901                                   struct drm_display_mode *mode)
902 {
903         struct drm_device *dev = connector->dev;
904         struct radeon_device *rdev = dev->dev_private;
905         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
906
907         /* XXX check mode bandwidth */
908
909         /* clocks over 135 MHz have heat issues with DVI on RV100 */
910         if (radeon_connector->use_digital &&
911             (rdev->family == CHIP_RV100) &&
912             (mode->clock > 135000))
913                 return MODE_CLOCK_HIGH;
914
915         if (radeon_connector->use_digital && (mode->clock > 165000)) {
916                 if ((radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) ||
917                     (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) ||
918                     (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B))
919                         return MODE_OK;
920                 else
921                         return MODE_CLOCK_HIGH;
922         }
923         return MODE_OK;
924 }
925
926 struct drm_connector_helper_funcs radeon_dvi_connector_helper_funcs = {
927         .get_modes = radeon_dvi_get_modes,
928         .mode_valid = radeon_dvi_mode_valid,
929         .best_encoder = radeon_dvi_encoder,
930 };
931
932 struct drm_connector_funcs radeon_dvi_connector_funcs = {
933         .dpms = drm_helper_connector_dpms,
934         .detect = radeon_dvi_detect,
935         .fill_modes = drm_helper_probe_single_connector_modes,
936         .set_property = radeon_connector_set_property,
937         .destroy = radeon_connector_destroy,
938         .force = radeon_dvi_force,
939 };
940
941 static void radeon_dp_connector_destroy(struct drm_connector *connector)
942 {
943         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
944         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
945
946         if (radeon_connector->ddc_bus)
947                 radeon_i2c_destroy(radeon_connector->ddc_bus);
948         if (radeon_connector->edid)
949                 kfree(radeon_connector->edid);
950         if (radeon_dig_connector->dp_i2c_bus)
951                 radeon_i2c_destroy(radeon_dig_connector->dp_i2c_bus);
952         kfree(radeon_connector->con_priv);
953         drm_sysfs_connector_remove(connector);
954         drm_connector_cleanup(connector);
955         kfree(connector);
956 }
957
958 static int radeon_dp_get_modes(struct drm_connector *connector)
959 {
960         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
961         int ret;
962
963         ret = radeon_ddc_get_modes(radeon_connector);
964         return ret;
965 }
966
967 static enum drm_connector_status radeon_dp_detect(struct drm_connector *connector)
968 {
969         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
970         enum drm_connector_status ret = connector_status_disconnected;
971         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
972         u8 sink_type;
973
974         if (radeon_connector->edid) {
975                 kfree(radeon_connector->edid);
976                 radeon_connector->edid = NULL;
977         }
978
979         sink_type = radeon_dp_getsinktype(radeon_connector);
980         if ((sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
981             (sink_type == CONNECTOR_OBJECT_ID_eDP)) {
982                 if (radeon_dp_getdpcd(radeon_connector)) {
983                         radeon_dig_connector->dp_sink_type = sink_type;
984                         ret = connector_status_connected;
985                 }
986         } else {
987                 radeon_i2c_do_lock(radeon_connector->ddc_bus, 1);
988                 if (radeon_ddc_probe(radeon_connector)) {
989                         radeon_dig_connector->dp_sink_type = sink_type;
990                         ret = connector_status_connected;
991                 }
992                 radeon_i2c_do_lock(radeon_connector->ddc_bus, 0);
993         }
994
995         return ret;
996 }
997
998 static int radeon_dp_mode_valid(struct drm_connector *connector,
999                                   struct drm_display_mode *mode)
1000 {
1001         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1002         struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1003
1004         /* XXX check mode bandwidth */
1005
1006         if ((radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
1007             (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP))
1008                 return radeon_dp_mode_valid_helper(radeon_connector, mode);
1009         else
1010                 return MODE_OK;
1011 }
1012
1013 struct drm_connector_helper_funcs radeon_dp_connector_helper_funcs = {
1014         .get_modes = radeon_dp_get_modes,
1015         .mode_valid = radeon_dp_mode_valid,
1016         .best_encoder = radeon_dvi_encoder,
1017 };
1018
1019 struct drm_connector_funcs radeon_dp_connector_funcs = {
1020         .dpms = drm_helper_connector_dpms,
1021         .detect = radeon_dp_detect,
1022         .fill_modes = drm_helper_probe_single_connector_modes,
1023         .set_property = radeon_connector_set_property,
1024         .destroy = radeon_dp_connector_destroy,
1025         .force = radeon_dvi_force,
1026 };
1027
1028 void
1029 radeon_add_atom_connector(struct drm_device *dev,
1030                           uint32_t connector_id,
1031                           uint32_t supported_device,
1032                           int connector_type,
1033                           struct radeon_i2c_bus_rec *i2c_bus,
1034                           bool linkb,
1035                           uint32_t igp_lane_info,
1036                           uint16_t connector_object_id,
1037                           struct radeon_hpd *hpd)
1038 {
1039         struct radeon_device *rdev = dev->dev_private;
1040         struct drm_connector *connector;
1041         struct radeon_connector *radeon_connector;
1042         struct radeon_connector_atom_dig *radeon_dig_connector;
1043         uint32_t subpixel_order = SubPixelNone;
1044         bool shared_ddc = false;
1045         int ret;
1046
1047         /* fixme - tv/cv/din */
1048         if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1049                 return;
1050
1051         /* see if we already added it */
1052         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1053                 radeon_connector = to_radeon_connector(connector);
1054                 if (radeon_connector->connector_id == connector_id) {
1055                         radeon_connector->devices |= supported_device;
1056                         return;
1057                 }
1058                 if (radeon_connector->ddc_bus && i2c_bus->valid) {
1059                         if (memcmp(&radeon_connector->ddc_bus->rec, i2c_bus,
1060                                     sizeof(struct radeon_i2c_bus_rec)) == 0) {
1061                                 radeon_connector->shared_ddc = true;
1062                                 shared_ddc = true;
1063                         }
1064                 }
1065         }
1066
1067         radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1068         if (!radeon_connector)
1069                 return;
1070
1071         connector = &radeon_connector->base;
1072
1073         radeon_connector->connector_id = connector_id;
1074         radeon_connector->devices = supported_device;
1075         radeon_connector->shared_ddc = shared_ddc;
1076         radeon_connector->connector_object_id = connector_object_id;
1077         radeon_connector->hpd = *hpd;
1078         switch (connector_type) {
1079         case DRM_MODE_CONNECTOR_VGA:
1080                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1081                 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1082                 if (ret)
1083                         goto failed;
1084                 if (i2c_bus->valid) {
1085                         radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "VGA");
1086                         if (!radeon_connector->ddc_bus)
1087                                 goto failed;
1088                 }
1089                 radeon_connector->dac_load_detect = true;
1090                 drm_connector_attach_property(&radeon_connector->base,
1091                                               rdev->mode_info.load_detect_property,
1092                                               1);
1093                 break;
1094         case DRM_MODE_CONNECTOR_DVIA:
1095                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1096                 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1097                 if (ret)
1098                         goto failed;
1099                 if (i2c_bus->valid) {
1100                         radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "DVI");
1101                         if (!radeon_connector->ddc_bus)
1102                                 goto failed;
1103                 }
1104                 radeon_connector->dac_load_detect = true;
1105                 drm_connector_attach_property(&radeon_connector->base,
1106                                               rdev->mode_info.load_detect_property,
1107                                               1);
1108                 break;
1109         case DRM_MODE_CONNECTOR_DVII:
1110         case DRM_MODE_CONNECTOR_DVID:
1111                 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1112                 if (!radeon_dig_connector)
1113                         goto failed;
1114                 radeon_dig_connector->linkb = linkb;
1115                 radeon_dig_connector->igp_lane_info = igp_lane_info;
1116                 radeon_connector->con_priv = radeon_dig_connector;
1117                 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1118                 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1119                 if (ret)
1120                         goto failed;
1121                 if (i2c_bus->valid) {
1122                         radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "DVI");
1123                         if (!radeon_connector->ddc_bus)
1124                                 goto failed;
1125                 }
1126                 subpixel_order = SubPixelHorizontalRGB;
1127                 drm_connector_attach_property(&radeon_connector->base,
1128                                               rdev->mode_info.coherent_mode_property,
1129                                               1);
1130                 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1131                         radeon_connector->dac_load_detect = true;
1132                         drm_connector_attach_property(&radeon_connector->base,
1133                                                       rdev->mode_info.load_detect_property,
1134                                                       1);
1135                 }
1136                 break;
1137         case DRM_MODE_CONNECTOR_HDMIA:
1138         case DRM_MODE_CONNECTOR_HDMIB:
1139                 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1140                 if (!radeon_dig_connector)
1141                         goto failed;
1142                 radeon_dig_connector->linkb = linkb;
1143                 radeon_dig_connector->igp_lane_info = igp_lane_info;
1144                 radeon_connector->con_priv = radeon_dig_connector;
1145                 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1146                 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1147                 if (ret)
1148                         goto failed;
1149                 if (i2c_bus->valid) {
1150                         radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "HDMI");
1151                         if (!radeon_connector->ddc_bus)
1152                                 goto failed;
1153                 }
1154                 drm_connector_attach_property(&radeon_connector->base,
1155                                               rdev->mode_info.coherent_mode_property,
1156                                               1);
1157                 subpixel_order = SubPixelHorizontalRGB;
1158                 break;
1159         case DRM_MODE_CONNECTOR_DisplayPort:
1160         case DRM_MODE_CONNECTOR_eDP:
1161                 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1162                 if (!radeon_dig_connector)
1163                         goto failed;
1164                 radeon_dig_connector->linkb = linkb;
1165                 radeon_dig_connector->igp_lane_info = igp_lane_info;
1166                 radeon_connector->con_priv = radeon_dig_connector;
1167                 drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
1168                 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
1169                 if (ret)
1170                         goto failed;
1171                 if (i2c_bus->valid) {
1172                         /* add DP i2c bus */
1173                         if (connector_type == DRM_MODE_CONNECTOR_eDP)
1174                                 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "eDP-auxch");
1175                         else
1176                                 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "DP-auxch");
1177                         if (!radeon_dig_connector->dp_i2c_bus)
1178                                 goto failed;
1179                         if (connector_type == DRM_MODE_CONNECTOR_eDP)
1180                                 radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "eDP");
1181                         else
1182                                 radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "DP");
1183                         if (!radeon_connector->ddc_bus)
1184                                 goto failed;
1185                 }
1186                 subpixel_order = SubPixelHorizontalRGB;
1187                 drm_connector_attach_property(&radeon_connector->base,
1188                                               rdev->mode_info.coherent_mode_property,
1189                                               1);
1190                 break;
1191         case DRM_MODE_CONNECTOR_SVIDEO:
1192         case DRM_MODE_CONNECTOR_Composite:
1193         case DRM_MODE_CONNECTOR_9PinDIN:
1194                 if (radeon_tv == 1) {
1195                         drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
1196                         ret = drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
1197                         if (ret)
1198                                 goto failed;
1199                         radeon_connector->dac_load_detect = true;
1200                         drm_connector_attach_property(&radeon_connector->base,
1201                                                       rdev->mode_info.load_detect_property,
1202                                                       1);
1203                         drm_connector_attach_property(&radeon_connector->base,
1204                                                       rdev->mode_info.tv_std_property,
1205                                                       radeon_atombios_get_tv_info(rdev));
1206                 }
1207                 break;
1208         case DRM_MODE_CONNECTOR_LVDS:
1209                 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1210                 if (!radeon_dig_connector)
1211                         goto failed;
1212                 radeon_dig_connector->linkb = linkb;
1213                 radeon_dig_connector->igp_lane_info = igp_lane_info;
1214                 radeon_connector->con_priv = radeon_dig_connector;
1215                 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
1216                 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
1217                 if (ret)
1218                         goto failed;
1219                 if (i2c_bus->valid) {
1220                         radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "LVDS");
1221                         if (!radeon_connector->ddc_bus)
1222                                 goto failed;
1223                 }
1224                 drm_connector_attach_property(&radeon_connector->base,
1225                                               dev->mode_config.scaling_mode_property,
1226                                               DRM_MODE_SCALE_FULLSCREEN);
1227                 subpixel_order = SubPixelHorizontalRGB;
1228                 break;
1229         }
1230
1231         connector->display_info.subpixel_order = subpixel_order;
1232         drm_sysfs_connector_add(connector);
1233         return;
1234
1235 failed:
1236         if (radeon_connector->ddc_bus)
1237                 radeon_i2c_destroy(radeon_connector->ddc_bus);
1238         drm_connector_cleanup(connector);
1239         kfree(connector);
1240 }
1241
1242 void
1243 radeon_add_legacy_connector(struct drm_device *dev,
1244                             uint32_t connector_id,
1245                             uint32_t supported_device,
1246                             int connector_type,
1247                             struct radeon_i2c_bus_rec *i2c_bus,
1248                             uint16_t connector_object_id,
1249                             struct radeon_hpd *hpd)
1250 {
1251         struct radeon_device *rdev = dev->dev_private;
1252         struct drm_connector *connector;
1253         struct radeon_connector *radeon_connector;
1254         uint32_t subpixel_order = SubPixelNone;
1255         int ret;
1256
1257         /* fixme - tv/cv/din */
1258         if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1259                 return;
1260
1261         /* see if we already added it */
1262         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1263                 radeon_connector = to_radeon_connector(connector);
1264                 if (radeon_connector->connector_id == connector_id) {
1265                         radeon_connector->devices |= supported_device;
1266                         return;
1267                 }
1268         }
1269
1270         radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1271         if (!radeon_connector)
1272                 return;
1273
1274         connector = &radeon_connector->base;
1275
1276         radeon_connector->connector_id = connector_id;
1277         radeon_connector->devices = supported_device;
1278         radeon_connector->connector_object_id = connector_object_id;
1279         radeon_connector->hpd = *hpd;
1280         switch (connector_type) {
1281         case DRM_MODE_CONNECTOR_VGA:
1282                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1283                 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1284                 if (ret)
1285                         goto failed;
1286                 if (i2c_bus->valid) {
1287                         radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "VGA");
1288                         if (!radeon_connector->ddc_bus)
1289                                 goto failed;
1290                 }
1291                 radeon_connector->dac_load_detect = true;
1292                 drm_connector_attach_property(&radeon_connector->base,
1293                                               rdev->mode_info.load_detect_property,
1294                                               1);
1295                 break;
1296         case DRM_MODE_CONNECTOR_DVIA:
1297                 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1298                 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1299                 if (ret)
1300                         goto failed;
1301                 if (i2c_bus->valid) {
1302                         radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "DVI");
1303                         if (!radeon_connector->ddc_bus)
1304                                 goto failed;
1305                 }
1306                 radeon_connector->dac_load_detect = true;
1307                 drm_connector_attach_property(&radeon_connector->base,
1308                                               rdev->mode_info.load_detect_property,
1309                                               1);
1310                 break;
1311         case DRM_MODE_CONNECTOR_DVII:
1312         case DRM_MODE_CONNECTOR_DVID:
1313                 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1314                 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1315                 if (ret)
1316                         goto failed;
1317                 if (i2c_bus->valid) {
1318                         radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "DVI");
1319                         if (!radeon_connector->ddc_bus)
1320                                 goto failed;
1321                         radeon_connector->dac_load_detect = true;
1322                         drm_connector_attach_property(&radeon_connector->base,
1323                                                       rdev->mode_info.load_detect_property,
1324                                                       1);
1325                 }
1326                 subpixel_order = SubPixelHorizontalRGB;
1327                 break;
1328         case DRM_MODE_CONNECTOR_SVIDEO:
1329         case DRM_MODE_CONNECTOR_Composite:
1330         case DRM_MODE_CONNECTOR_9PinDIN:
1331                 if (radeon_tv == 1) {
1332                         drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
1333                         ret = drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
1334                         if (ret)
1335                                 goto failed;
1336                         radeon_connector->dac_load_detect = true;
1337                         /* RS400,RC410,RS480 chipset seems to report a lot
1338                          * of false positive on load detect, we haven't yet
1339                          * found a way to make load detect reliable on those
1340                          * chipset, thus just disable it for TV.
1341                          */
1342                         if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480)
1343                                 radeon_connector->dac_load_detect = false;
1344                         drm_connector_attach_property(&radeon_connector->base,
1345                                                       rdev->mode_info.load_detect_property,
1346                                                       radeon_connector->dac_load_detect);
1347                         drm_connector_attach_property(&radeon_connector->base,
1348                                                       rdev->mode_info.tv_std_property,
1349                                                       radeon_combios_get_tv_info(rdev));
1350                 }
1351                 break;
1352         case DRM_MODE_CONNECTOR_LVDS:
1353                 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
1354                 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
1355                 if (ret)
1356                         goto failed;
1357                 if (i2c_bus->valid) {
1358                         radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "LVDS");
1359                         if (!radeon_connector->ddc_bus)
1360                                 goto failed;
1361                 }
1362                 drm_connector_attach_property(&radeon_connector->base,
1363                                               dev->mode_config.scaling_mode_property,
1364                                               DRM_MODE_SCALE_FULLSCREEN);
1365                 subpixel_order = SubPixelHorizontalRGB;
1366                 break;
1367         }
1368
1369         connector->display_info.subpixel_order = subpixel_order;
1370         drm_sysfs_connector_add(connector);
1371         return;
1372
1373 failed:
1374         if (radeon_connector->ddc_bus)
1375                 radeon_i2c_destroy(radeon_connector->ddc_bus);
1376         drm_connector_cleanup(connector);
1377         kfree(connector);
1378 }