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drm/radeon/kms: make sure LVDS panel is valid in detect()
[mirror_ubuntu-artful-kernel.git] / drivers / gpu / drm / radeon / radeon_connectors.c
CommitLineData
771fe6b9
JG		 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"
d50ba256 29#include "drm_fb_helper.h"
771fe6b9
JG		 30#include "radeon_drm.h"
31#include "radeon.h"
923f6848 32#include "atom.h"
771fe6b9
JG		 33
34extern void
35radeon_combios_connected_scratch_regs(struct drm_connector *connector,
36 struct drm_encoder *encoder,
37 bool connected);
38extern void
39radeon_atombios_connected_scratch_regs(struct drm_connector *connector,
40 struct drm_encoder *encoder,
41 bool connected);
42
445282db
DA		 43static void radeon_property_change_mode(struct drm_encoder *encoder)
44{
45 struct drm_crtc *crtc = encoder->crtc;
46
47 if (crtc && crtc->enabled) {
48 drm_crtc_helper_set_mode(crtc, &crtc->mode,
49 crtc->x, crtc->y, crtc->fb);
50 }
51}
771fe6b9
JG		 52static void
53radeon_connector_update_scratch_regs(struct drm_connector *connector, enum drm_connector_status status)
54{
55 struct drm_device *dev = connector->dev;
56 struct radeon_device *rdev = dev->dev_private;
57 struct drm_encoder *best_encoder = NULL;
58 struct drm_encoder *encoder = NULL;
59 struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
60 struct drm_mode_object *obj;
61 bool connected;
62 int i;
63
64 best_encoder = connector_funcs->best_encoder(connector);
65
66 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
67 if (connector->encoder_ids[i] == 0)
68 break;
69
70 obj = drm_mode_object_find(connector->dev,
71 connector->encoder_ids[i],
72 DRM_MODE_OBJECT_ENCODER);
73 if (!obj)
74 continue;
75
76 encoder = obj_to_encoder(obj);
77
78 if ((encoder == best_encoder) && (status == connector_status_connected))
79 connected = true;
80 else
81 connected = false;
82
83 if (rdev->is_atom_bios)
84 radeon_atombios_connected_scratch_regs(connector, encoder, connected);
85 else
86 radeon_combios_connected_scratch_regs(connector, encoder, connected);
87
88 }
89}
90
445282db
DA		 91struct drm_encoder *radeon_find_encoder(struct drm_connector *connector, int encoder_type)
92{
93 struct drm_mode_object *obj;
94 struct drm_encoder *encoder;
95 int i;
96
97 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
98 if (connector->encoder_ids[i] == 0)
99 break;
100
101 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
102 if (!obj)
103 continue;
104
105 encoder = obj_to_encoder(obj);
106 if (encoder->encoder_type == encoder_type)
107 return encoder;
108 }
109 return NULL;
110}
111
771fe6b9
JG		 112struct drm_encoder *radeon_best_single_encoder(struct drm_connector *connector)
113{
114 int enc_id = connector->encoder_ids[0];
115 struct drm_mode_object *obj;
116 struct drm_encoder *encoder;
117
118 /* pick the encoder ids */
119 if (enc_id) {
120 obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER);
121 if (!obj)
122 return NULL;
123 encoder = obj_to_encoder(obj);
124 return encoder;
125 }
126 return NULL;
127}
128
4ce001ab
DA		 129/*
130 * radeon_connector_analog_encoder_conflict_solve
131 * - search for other connectors sharing this encoder
132 * if priority is true, then set them disconnected if this is connected
133 * if priority is false, set us disconnected if they are connected
134 */
135static enum drm_connector_status
136radeon_connector_analog_encoder_conflict_solve(struct drm_connector *connector,
137 struct drm_encoder *encoder,
138 enum drm_connector_status current_status,
139 bool priority)
140{
141 struct drm_device *dev = connector->dev;
142 struct drm_connector *conflict;
143 int i;
144
145 list_for_each_entry(conflict, &dev->mode_config.connector_list, head) {
146 if (conflict == connector)
147 continue;
148
149 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
150 if (conflict->encoder_ids[i] == 0)
151 break;
152
153 /* if the IDs match */
154 if (conflict->encoder_ids[i] == encoder->base.id) {
155 if (conflict->status != connector_status_connected)
156 continue;
157
158 if (priority == true) {
159 DRM_INFO("1: conflicting encoders switching off %s\n", drm_get_connector_name(conflict));
160 DRM_INFO("in favor of %s\n", drm_get_connector_name(connector));
161 conflict->status = connector_status_disconnected;
162 radeon_connector_update_scratch_regs(conflict, connector_status_disconnected);
163 } else {
164 DRM_INFO("2: conflicting encoders switching off %s\n", drm_get_connector_name(connector));
165 DRM_INFO("in favor of %s\n", drm_get_connector_name(conflict));
166 current_status = connector_status_disconnected;
167 }
168 break;
169 }
170 }
171 }
172 return current_status;
173
174}
175
771fe6b9
JG		 176static struct drm_display_mode *radeon_fp_native_mode(struct drm_encoder *encoder)
177{
178 struct drm_device *dev = encoder->dev;
179 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
180 struct drm_display_mode *mode = NULL;
181 struct radeon_native_mode *native_mode = &radeon_encoder->native_mode;
182
183 if (native_mode->panel_xres != 0 &&
184 native_mode->panel_yres != 0 &&
185 native_mode->dotclock != 0) {
186 mode = drm_mode_create(dev);
187
188 mode->hdisplay = native_mode->panel_xres;
189 mode->vdisplay = native_mode->panel_yres;
190
191 mode->htotal = mode->hdisplay + native_mode->hblank;
192 mode->hsync_start = mode->hdisplay + native_mode->hoverplus;
193 mode->hsync_end = mode->hsync_start + native_mode->hsync_width;
194 mode->vtotal = mode->vdisplay + native_mode->vblank;
195 mode->vsync_start = mode->vdisplay + native_mode->voverplus;
196 mode->vsync_end = mode->vsync_start + native_mode->vsync_width;
197 mode->clock = native_mode->dotclock;
198 mode->flags = 0;
199
200 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
201 drm_mode_set_name(mode);
202
203 DRM_DEBUG("Adding native panel mode %s\n", mode->name);
204 }
205 return mode;
206}
207
923f6848
AD		 208static void radeon_add_common_modes(struct drm_encoder *encoder, struct drm_connector *connector)
209{
210 struct drm_device *dev = encoder->dev;
211 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
212 struct drm_display_mode *mode = NULL;
213 struct radeon_native_mode *native_mode = &radeon_encoder->native_mode;
214 int i;
215 struct mode_size {
216 int w;
217 int h;
218 } common_modes[17] = {
219 { 640, 480},
220 { 720, 480},
221 { 800, 600},
222 { 848, 480},
223 {1024, 768},
224 {1152, 768},
225 {1280, 720},
226 {1280, 800},
227 {1280, 854},
228 {1280, 960},
229 {1280, 1024},
230 {1440, 900},
231 {1400, 1050},
232 {1680, 1050},
233 {1600, 1200},
234 {1920, 1080},
235 {1920, 1200}
236 };
237
238 for (i = 0; i < 17; i++) {
239 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
fb1fbf8e
MD		 240 if (common_modes[i].w > native_mode->panel_xres ||
241 common_modes[i].h > native_mode->panel_yres ||
242 (common_modes[i].w == native_mode->panel_xres &&
243 common_modes[i].h == native_mode->panel_yres))
923f6848
AD		 244 continue;
245 }
246 if (common_modes[i].w < 320 || common_modes[i].h < 200)
247 continue;
248
d50ba256 249 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 60, false, false, false);
923f6848
AD		 250 drm_mode_probed_add(connector, mode);
251 }
252}
253
771fe6b9
JG		 254int radeon_connector_set_property(struct drm_connector *connector, struct drm_property *property,
255 uint64_t val)
256{
445282db
DA		 257 struct drm_device *dev = connector->dev;
258 struct radeon_device *rdev = dev->dev_private;
259 struct drm_encoder *encoder;
260 struct radeon_encoder *radeon_encoder;
261
262 if (property == rdev->mode_info.coherent_mode_property) {
263 struct radeon_encoder_atom_dig *dig;
264
265 /* need to find digital encoder on connector */
266 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
267 if (!encoder)
268 return 0;
269
270 radeon_encoder = to_radeon_encoder(encoder);
271
272 if (!radeon_encoder->enc_priv)
273 return 0;
274
275 dig = radeon_encoder->enc_priv;
276 dig->coherent_mode = val ? true : false;
277 radeon_property_change_mode(&radeon_encoder->base);
278 }
279
280 if (property == rdev->mode_info.tv_std_property) {
281 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TVDAC);
282 if (!encoder) {
283 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_DAC);
284 }
285
286 if (!encoder)
287 return 0;
288
289 radeon_encoder = to_radeon_encoder(encoder);
290 if (!radeon_encoder->enc_priv)
291 return 0;
292 if (rdev->is_atom_bios) {
293 struct radeon_encoder_atom_dac *dac_int;
294 dac_int = radeon_encoder->enc_priv;
295 dac_int->tv_std = val;
296 } else {
297 struct radeon_encoder_tv_dac *dac_int;
298 dac_int = radeon_encoder->enc_priv;
299 dac_int->tv_std = val;
300 }
301 radeon_property_change_mode(&radeon_encoder->base);
302 }
303
304 if (property == rdev->mode_info.load_detect_property) {
305 struct radeon_connector *radeon_connector =
306 to_radeon_connector(connector);
307
308 if (val == 0)
309 radeon_connector->dac_load_detect = false;
310 else
311 radeon_connector->dac_load_detect = true;
312 }
313
314 if (property == rdev->mode_info.tmds_pll_property) {
315 struct radeon_encoder_int_tmds *tmds = NULL;
316 bool ret = false;
317 /* need to find digital encoder on connector */
318 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
319 if (!encoder)
320 return 0;
321
322 radeon_encoder = to_radeon_encoder(encoder);
323
324 tmds = radeon_encoder->enc_priv;
325 if (!tmds)
326 return 0;
327
328 if (val == 0) {
329 if (rdev->is_atom_bios)
330 ret = radeon_atombios_get_tmds_info(radeon_encoder, tmds);
331 else
332 ret = radeon_legacy_get_tmds_info_from_combios(radeon_encoder, tmds);
333 }
334 if (val == 1 || ret == false) {
335 radeon_legacy_get_tmds_info_from_table(radeon_encoder, tmds);
336 }
337 radeon_property_change_mode(&radeon_encoder->base);
338 }
339
771fe6b9
JG		 340 return 0;
341}
342
8dfaa8a7
MD		 343static void radeon_fixup_lvds_native_mode(struct drm_encoder *encoder,
344 struct drm_connector *connector)
345{
346 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
347 struct radeon_native_mode *native_mode = &radeon_encoder->native_mode;
348
349 /* Try to get native mode details from EDID if necessary */
350 if (!native_mode->dotclock) {
351 struct drm_display_mode *t, *mode;
352
353 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
354 if (mode->hdisplay == native_mode->panel_xres &&
355 mode->vdisplay == native_mode->panel_yres) {
356 native_mode->hblank = mode->htotal - mode->hdisplay;
357 native_mode->hoverplus = mode->hsync_start - mode->hdisplay;
358 native_mode->hsync_width = mode->hsync_end - mode->hsync_start;
359 native_mode->vblank = mode->vtotal - mode->vdisplay;
360 native_mode->voverplus = mode->vsync_start - mode->vdisplay;
361 native_mode->vsync_width = mode->vsync_end - mode->vsync_start;
362 native_mode->dotclock = mode->clock;
363 DRM_INFO("Determined LVDS native mode details from EDID\n");
364 break;
365 }
366 }
367 }
368 if (!native_mode->dotclock) {
369 DRM_INFO("No LVDS native mode details, disabling RMX\n");
370 radeon_encoder->rmx_type = RMX_OFF;
371 }
372}
771fe6b9
JG		 373
374static int radeon_lvds_get_modes(struct drm_connector *connector)
375{
376 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
377 struct drm_encoder *encoder;
378 int ret = 0;
379 struct drm_display_mode *mode;
380
381 if (radeon_connector->ddc_bus) {
382 ret = radeon_ddc_get_modes(radeon_connector);
383 if (ret > 0) {
7747b713 384 encoder = radeon_best_single_encoder(connector);
8dfaa8a7
MD		 385 if (encoder) {
386 radeon_fixup_lvds_native_mode(encoder, connector);
7747b713
AD		 387 /* add scaled modes */
388 radeon_add_common_modes(encoder, connector);
8dfaa8a7 389 }
771fe6b9
JG		 390 return ret;
391 }
392 }
393
394 encoder = radeon_best_single_encoder(connector);
395 if (!encoder)
396 return 0;
397
398 /* we have no EDID modes */
399 mode = radeon_fp_native_mode(encoder);
400 if (mode) {
401 ret = 1;
402 drm_mode_probed_add(connector, mode);
7747b713
AD		 403 /* add scaled modes */
404 radeon_add_common_modes(encoder, connector);
771fe6b9 405 }
923f6848 406
771fe6b9
JG		 407 return ret;
408}
409
410static int radeon_lvds_mode_valid(struct drm_connector *connector,
411 struct drm_display_mode *mode)
412{
413 return MODE_OK;
414}
415
416static enum drm_connector_status radeon_lvds_detect(struct drm_connector *connector)
417{
2ffb8429
AD		 418 enum drm_connector_status ret = connector_status_disconnected;
419 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
420
421 if (encoder) {
422 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
423 struct radeon_native_mode *native_mode = &radeon_encoder->native_mode;
424
425 /* check if panel is valid */
426 if (native_mode->panel_xres >= 320 && native_mode->panel_yres >= 240)
427 ret = connector_status_connected;
428
429 }
771fe6b9 430 /* check acpi lid status ??? */
2ffb8429 431
771fe6b9
JG		 432 radeon_connector_update_scratch_regs(connector, ret);
433 return ret;
434}
435
436static void radeon_connector_destroy(struct drm_connector *connector)
437{
438 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
439
440 if (radeon_connector->ddc_bus)
441 radeon_i2c_destroy(radeon_connector->ddc_bus);
442 kfree(radeon_connector->con_priv);
443 drm_sysfs_connector_remove(connector);
444 drm_connector_cleanup(connector);
445 kfree(connector);
446}
447
445282db
DA		 448static int radeon_lvds_set_property(struct drm_connector *connector,
449 struct drm_property *property,
450 uint64_t value)
451{
452 struct drm_device *dev = connector->dev;
453 struct radeon_encoder *radeon_encoder;
454 enum radeon_rmx_type rmx_type;
455
456 DRM_DEBUG("\n");
457 if (property != dev->mode_config.scaling_mode_property)
458 return 0;
459
460 if (connector->encoder)
461 radeon_encoder = to_radeon_encoder(connector->encoder);
462 else {
463 struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
464 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
465 }
466
467 switch (value) {
468 case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
469 case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
470 case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
471 default:
472 case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
473 }
474 if (radeon_encoder->rmx_type == rmx_type)
475 return 0;
476
477 radeon_encoder->rmx_type = rmx_type;
478
479 radeon_property_change_mode(&radeon_encoder->base);
480 return 0;
481}
482
483
771fe6b9
JG		 484struct drm_connector_helper_funcs radeon_lvds_connector_helper_funcs = {
485 .get_modes = radeon_lvds_get_modes,
486 .mode_valid = radeon_lvds_mode_valid,
487 .best_encoder = radeon_best_single_encoder,
488};
489
490struct drm_connector_funcs radeon_lvds_connector_funcs = {
491 .dpms = drm_helper_connector_dpms,
492 .detect = radeon_lvds_detect,
493 .fill_modes = drm_helper_probe_single_connector_modes,
494 .destroy = radeon_connector_destroy,
445282db 495 .set_property = radeon_lvds_set_property,
771fe6b9
JG		 496};
497
498static int radeon_vga_get_modes(struct drm_connector *connector)
499{
500 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
501 int ret;
502
503 ret = radeon_ddc_get_modes(radeon_connector);
504
505 return ret;
506}
507
508static int radeon_vga_mode_valid(struct drm_connector *connector,
509 struct drm_display_mode *mode)
510{
771fe6b9
JG		 511 return MODE_OK;
512}
513
514static enum drm_connector_status radeon_vga_detect(struct drm_connector *connector)
515{
516 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
517 struct drm_encoder *encoder;
518 struct drm_encoder_helper_funcs *encoder_funcs;
519 bool dret;
520 enum drm_connector_status ret = connector_status_disconnected;
521
4ce001ab
DA		 522 encoder = radeon_best_single_encoder(connector);
523 if (!encoder)
524 ret = connector_status_disconnected;
525
771fe6b9
JG		 526 radeon_i2c_do_lock(radeon_connector, 1);
527 dret = radeon_ddc_probe(radeon_connector);
528 radeon_i2c_do_lock(radeon_connector, 0);
529 if (dret)
530 ret = connector_status_connected;
531 else {
445282db
DA		 532 if (radeon_connector->dac_load_detect) {
533 encoder_funcs = encoder->helper_private;
534 ret = encoder_funcs->detect(encoder, connector);
535 }
771fe6b9
JG		 536 }
537
4ce001ab
DA		 538 if (ret == connector_status_connected)
539 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
771fe6b9
JG		 540 radeon_connector_update_scratch_regs(connector, ret);
541 return ret;
542}
543
544struct drm_connector_helper_funcs radeon_vga_connector_helper_funcs = {
545 .get_modes = radeon_vga_get_modes,
546 .mode_valid = radeon_vga_mode_valid,
547 .best_encoder = radeon_best_single_encoder,
548};
549
550struct drm_connector_funcs radeon_vga_connector_funcs = {
551 .dpms = drm_helper_connector_dpms,
552 .detect = radeon_vga_detect,
553 .fill_modes = drm_helper_probe_single_connector_modes,
554 .destroy = radeon_connector_destroy,
555 .set_property = radeon_connector_set_property,
556};
557
4ce001ab
DA		 558static int radeon_tv_get_modes(struct drm_connector *connector)
559{
560 struct drm_device *dev = connector->dev;
923f6848 561 struct radeon_device *rdev = dev->dev_private;
4ce001ab 562 struct drm_display_mode *tv_mode;
923f6848 563 struct drm_encoder *encoder;
4ce001ab 564
923f6848
AD		 565 encoder = radeon_best_single_encoder(connector);
566 if (!encoder)
567 return 0;
4ce001ab 568
923f6848
AD		 569 /* avivo chips can scale any mode */
570 if (rdev->family >= CHIP_RS600)
571 /* add scaled modes */
572 radeon_add_common_modes(encoder, connector);
573 else {
574 /* only 800x600 is supported right now on pre-avivo chips */
d50ba256 575 tv_mode = drm_cvt_mode(dev, 800, 600, 60, false, false, false);
923f6848
AD		 576 tv_mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
577 drm_mode_probed_add(connector, tv_mode);
578 }
4ce001ab
DA		 579 return 1;
580}
581
582static int radeon_tv_mode_valid(struct drm_connector *connector,
583 struct drm_display_mode *mode)
584{
585 return MODE_OK;
586}
587
588static enum drm_connector_status radeon_tv_detect(struct drm_connector *connector)
589{
590 struct drm_encoder *encoder;
591 struct drm_encoder_helper_funcs *encoder_funcs;
445282db
DA		 592 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
593 enum drm_connector_status ret = connector_status_disconnected;
594
595 if (!radeon_connector->dac_load_detect)
596 return ret;
4ce001ab
DA		 597
598 encoder = radeon_best_single_encoder(connector);
599 if (!encoder)
600 ret = connector_status_disconnected;
601 else {
602 encoder_funcs = encoder->helper_private;
603 ret = encoder_funcs->detect(encoder, connector);
604 }
605 if (ret == connector_status_connected)
606 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, false);
607 radeon_connector_update_scratch_regs(connector, ret);
608 return ret;
609}
610
611struct drm_connector_helper_funcs radeon_tv_connector_helper_funcs = {
612 .get_modes = radeon_tv_get_modes,
613 .mode_valid = radeon_tv_mode_valid,
614 .best_encoder = radeon_best_single_encoder,
615};
616
617struct drm_connector_funcs radeon_tv_connector_funcs = {
618 .dpms = drm_helper_connector_dpms,
619 .detect = radeon_tv_detect,
620 .fill_modes = drm_helper_probe_single_connector_modes,
621 .destroy = radeon_connector_destroy,
622 .set_property = radeon_connector_set_property,
623};
624
771fe6b9
JG		 625static int radeon_dvi_get_modes(struct drm_connector *connector)
626{
627 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
628 int ret;
629
630 ret = radeon_ddc_get_modes(radeon_connector);
771fe6b9
JG		 631 return ret;
632}
633
4ce001ab
DA		 634/*
635 * DVI is complicated
636 * Do a DDC probe, if DDC probe passes, get the full EDID so
637 * we can do analog/digital monitor detection at this point.
638 * If the monitor is an analog monitor or we got no DDC,
639 * we need to find the DAC encoder object for this connector.
640 * If we got no DDC, we do load detection on the DAC encoder object.
641 * If we got analog DDC or load detection passes on the DAC encoder
642 * we have to check if this analog encoder is shared with anyone else (TV)
643 * if its shared we have to set the other connector to disconnected.
644 */
771fe6b9
JG		 645static enum drm_connector_status radeon_dvi_detect(struct drm_connector *connector)
646{
647 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
4ce001ab 648 struct drm_encoder *encoder = NULL;
771fe6b9
JG		 649 struct drm_encoder_helper_funcs *encoder_funcs;
650 struct drm_mode_object *obj;
651 int i;
652 enum drm_connector_status ret = connector_status_disconnected;
653 bool dret;
654
655 radeon_i2c_do_lock(radeon_connector, 1);
656 dret = radeon_ddc_probe(radeon_connector);
657 radeon_i2c_do_lock(radeon_connector, 0);
4ce001ab
DA		 658 if (dret) {
659 radeon_i2c_do_lock(radeon_connector, 1);
660 radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
661 radeon_i2c_do_lock(radeon_connector, 0);
662
663 if (!radeon_connector->edid) {
664 DRM_ERROR("DDC responded but not EDID found for %s\n",
665 drm_get_connector_name(connector));
666 } else {
667 radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
668
669 /* if this isn't a digital monitor
670 then we need to make sure we don't have any
671 TV conflicts */
672 ret = connector_status_connected;
673 }
674 }
675
676 if ((ret == connector_status_connected) && (radeon_connector->use_digital == true))
677 goto out;
678
679 /* find analog encoder */
445282db
DA		 680 if (radeon_connector->dac_load_detect) {
681 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
682 if (connector->encoder_ids[i] == 0)
683 break;
771fe6b9 684
445282db
DA		 685 obj = drm_mode_object_find(connector->dev,
686 connector->encoder_ids[i],
687 DRM_MODE_OBJECT_ENCODER);
688 if (!obj)
689 continue;
771fe6b9 690
445282db 691 encoder = obj_to_encoder(obj);
771fe6b9 692
445282db
DA		 693 encoder_funcs = encoder->helper_private;
694 if (encoder_funcs->detect) {
695 if (ret != connector_status_connected) {
696 ret = encoder_funcs->detect(encoder, connector);
697 if (ret == connector_status_connected) {
698 radeon_connector->use_digital = false;
699 }
771fe6b9 700 }
445282db 701 break;
771fe6b9
JG		 702 }
703 }
704 }
705
4ce001ab
DA		 706 if ((ret == connector_status_connected) && (radeon_connector->use_digital == false) &&
707 encoder) {
708 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
709 }
710
711out:
771fe6b9
JG		 712 /* updated in get modes as well since we need to know if it's analog or digital */
713 radeon_connector_update_scratch_regs(connector, ret);
714 return ret;
715}
716
717/* okay need to be smart in here about which encoder to pick */
718struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector)
719{
720 int enc_id = connector->encoder_ids[0];
721 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
722 struct drm_mode_object *obj;
723 struct drm_encoder *encoder;
724 int i;
725 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
726 if (connector->encoder_ids[i] == 0)
727 break;
728
729 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
730 if (!obj)
731 continue;
732
733 encoder = obj_to_encoder(obj);
734
4ce001ab 735 if (radeon_connector->use_digital == true) {
771fe6b9
JG		 736 if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)
737 return encoder;
738 } else {
739 if (encoder->encoder_type == DRM_MODE_ENCODER_DAC ||
740 encoder->encoder_type == DRM_MODE_ENCODER_TVDAC)
741 return encoder;
742 }
743 }
744
745 /* see if we have a default encoder TODO */
746
747 /* then check use digitial */
748 /* pick the first one */
749 if (enc_id) {
750 obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER);
751 if (!obj)
752 return NULL;
753 encoder = obj_to_encoder(obj);
754 return encoder;
755 }
756 return NULL;
757}
758
d50ba256
DA		 759static void radeon_dvi_force(struct drm_connector *connector)
760{
761 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
762 if (connector->force == DRM_FORCE_ON)
763 radeon_connector->use_digital = false;
764 if (connector->force == DRM_FORCE_ON_DIGITAL)
765 radeon_connector->use_digital = true;
766}
767
771fe6b9
JG		 768struct drm_connector_helper_funcs radeon_dvi_connector_helper_funcs = {
769 .get_modes = radeon_dvi_get_modes,
770 .mode_valid = radeon_vga_mode_valid,
771 .best_encoder = radeon_dvi_encoder,
772};
773
774struct drm_connector_funcs radeon_dvi_connector_funcs = {
775 .dpms = drm_helper_connector_dpms,
776 .detect = radeon_dvi_detect,
777 .fill_modes = drm_helper_probe_single_connector_modes,
778 .set_property = radeon_connector_set_property,
779 .destroy = radeon_connector_destroy,
d50ba256 780 .force = radeon_dvi_force,
771fe6b9
JG		 781};
782
783void
784radeon_add_atom_connector(struct drm_device *dev,
785 uint32_t connector_id,
786 uint32_t supported_device,
787 int connector_type,
788 struct radeon_i2c_bus_rec *i2c_bus,
789 bool linkb,
790 uint32_t igp_lane_info)
791{
445282db 792 struct radeon_device *rdev = dev->dev_private;
771fe6b9
JG		 793 struct drm_connector *connector;
794 struct radeon_connector *radeon_connector;
795 struct radeon_connector_atom_dig *radeon_dig_connector;
796 uint32_t subpixel_order = SubPixelNone;
d50ba256 797 int ret;
771fe6b9
JG		 798
799 /* fixme - tv/cv/din */
4ce001ab 800 if (connector_type == DRM_MODE_CONNECTOR_Unknown)
771fe6b9
JG		 801 return;
802
803 /* see if we already added it */
804 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
805 radeon_connector = to_radeon_connector(connector);
806 if (radeon_connector->connector_id == connector_id) {
807 radeon_connector->devices |= supported_device;
808 return;
809 }
810 }
811
812 radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
813 if (!radeon_connector)
814 return;
815
816 connector = &radeon_connector->base;
817
818 radeon_connector->connector_id = connector_id;
819 radeon_connector->devices = supported_device;
820 switch (connector_type) {
821 case DRM_MODE_CONNECTOR_VGA:
822 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
74bf2ad5
DA		 823 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
824 if (ret)
825 goto failed;
771fe6b9
JG		 826 if (i2c_bus->valid) {
827 radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "VGA");
828 if (!radeon_connector->ddc_bus)
829 goto failed;
830 }
35e4b7af 831 radeon_connector->dac_load_detect = true;
445282db
DA		 832 drm_connector_attach_property(&radeon_connector->base,
833 rdev->mode_info.load_detect_property,
834 1);
771fe6b9
JG		 835 break;
836 case DRM_MODE_CONNECTOR_DVIA:
837 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
74bf2ad5
DA		 838 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
839 if (ret)
840 goto failed;
771fe6b9
JG		 841 if (i2c_bus->valid) {
842 radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "DVI");
843 if (!radeon_connector->ddc_bus)
844 goto failed;
845 }
35e4b7af 846 radeon_connector->dac_load_detect = true;
445282db
DA		 847 drm_connector_attach_property(&radeon_connector->base,
848 rdev->mode_info.load_detect_property,
849 1);
771fe6b9
JG		 850 break;
851 case DRM_MODE_CONNECTOR_DVII:
852 case DRM_MODE_CONNECTOR_DVID:
853 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
854 if (!radeon_dig_connector)
855 goto failed;
856 radeon_dig_connector->linkb = linkb;
857 radeon_dig_connector->igp_lane_info = igp_lane_info;
858 radeon_connector->con_priv = radeon_dig_connector;
859 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
74bf2ad5
DA		 860 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
861 if (ret)
862 goto failed;
771fe6b9
JG		 863 if (i2c_bus->valid) {
864 radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "DVI");
865 if (!radeon_connector->ddc_bus)
866 goto failed;
867 }
868 subpixel_order = SubPixelHorizontalRGB;
445282db
DA		 869 drm_connector_attach_property(&radeon_connector->base,
870 rdev->mode_info.coherent_mode_property,
871 1);
35e4b7af 872 radeon_connector->dac_load_detect = true;
445282db
DA		 873 drm_connector_attach_property(&radeon_connector->base,
874 rdev->mode_info.load_detect_property,
875 1);
771fe6b9
JG		 876 break;
877 case DRM_MODE_CONNECTOR_HDMIA:
878 case DRM_MODE_CONNECTOR_HDMIB:
879 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
880 if (!radeon_dig_connector)
881 goto failed;
882 radeon_dig_connector->linkb = linkb;
883 radeon_dig_connector->igp_lane_info = igp_lane_info;
884 radeon_connector->con_priv = radeon_dig_connector;
885 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
74bf2ad5
DA		 886 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
887 if (ret)
888 goto failed;
771fe6b9
JG		 889 if (i2c_bus->valid) {
890 radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "HDMI");
891 if (!radeon_connector->ddc_bus)
892 goto failed;
893 }
445282db
DA		 894 drm_connector_attach_property(&radeon_connector->base,
895 rdev->mode_info.coherent_mode_property,
896 1);
771fe6b9
JG		 897 subpixel_order = SubPixelHorizontalRGB;
898 break;
899 case DRM_MODE_CONNECTOR_DisplayPort:
900 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
901 if (!radeon_dig_connector)
902 goto failed;
903 radeon_dig_connector->linkb = linkb;
904 radeon_dig_connector->igp_lane_info = igp_lane_info;
905 radeon_connector->con_priv = radeon_dig_connector;
906 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
74bf2ad5
DA		 907 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
908 if (ret)
909 goto failed;
771fe6b9
JG		 910 if (i2c_bus->valid) {
911 radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "DP");
912 if (!radeon_connector->ddc_bus)
913 goto failed;
914 }
915 subpixel_order = SubPixelHorizontalRGB;
916 break;
917 case DRM_MODE_CONNECTOR_SVIDEO:
918 case DRM_MODE_CONNECTOR_Composite:
919 case DRM_MODE_CONNECTOR_9PinDIN:
4ce001ab
DA		 920 if (radeon_tv == 1) {
921 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
74bf2ad5
DA		 922 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
923 if (ret)
924 goto failed;
925 radeon_connector->dac_load_detect = true;
926 drm_connector_attach_property(&radeon_connector->base,
927 rdev->mode_info.load_detect_property,
928 1);
4ce001ab 929 }
771fe6b9
JG		 930 break;
931 case DRM_MODE_CONNECTOR_LVDS:
932 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
933 if (!radeon_dig_connector)
934 goto failed;
935 radeon_dig_connector->linkb = linkb;
936 radeon_dig_connector->igp_lane_info = igp_lane_info;
937 radeon_connector->con_priv = radeon_dig_connector;
938 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
74bf2ad5
DA		 939 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
940 if (ret)
941 goto failed;
771fe6b9
JG		 942 if (i2c_bus->valid) {
943 radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "LVDS");
944 if (!radeon_connector->ddc_bus)
945 goto failed;
946 }
445282db
DA		 947 drm_mode_create_scaling_mode_property(dev);
948 drm_connector_attach_property(&radeon_connector->base,
949 dev->mode_config.scaling_mode_property,
950 DRM_MODE_SCALE_FULLSCREEN);
771fe6b9
JG		 951 subpixel_order = SubPixelHorizontalRGB;
952 break;
953 }
954
955 connector->display_info.subpixel_order = subpixel_order;
956 drm_sysfs_connector_add(connector);
957 return;
958
959failed:
960 if (radeon_connector->ddc_bus)
961 radeon_i2c_destroy(radeon_connector->ddc_bus);
962 drm_connector_cleanup(connector);
963 kfree(connector);
964}
965
966void
967radeon_add_legacy_connector(struct drm_device *dev,
968 uint32_t connector_id,
969 uint32_t supported_device,
970 int connector_type,
971 struct radeon_i2c_bus_rec *i2c_bus)
972{
445282db 973 struct radeon_device *rdev = dev->dev_private;
771fe6b9
JG		 974 struct drm_connector *connector;
975 struct radeon_connector *radeon_connector;
976 uint32_t subpixel_order = SubPixelNone;
d50ba256 977 int ret;
771fe6b9
JG		 978
979 /* fixme - tv/cv/din */
4ce001ab 980 if (connector_type == DRM_MODE_CONNECTOR_Unknown)
771fe6b9
JG		 981 return;
982
983 /* see if we already added it */
984 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
985 radeon_connector = to_radeon_connector(connector);
986 if (radeon_connector->connector_id == connector_id) {
987 radeon_connector->devices |= supported_device;
988 return;
989 }
990 }
991
992 radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
993 if (!radeon_connector)
994 return;
995
996 connector = &radeon_connector->base;
997
998 radeon_connector->connector_id = connector_id;
999 radeon_connector->devices = supported_device;
1000 switch (connector_type) {
1001 case DRM_MODE_CONNECTOR_VGA:
1002 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
74bf2ad5
DA		 1003 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1004 if (ret)
1005 goto failed;
771fe6b9
JG		 1006 if (i2c_bus->valid) {
1007 radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "VGA");
1008 if (!radeon_connector->ddc_bus)
1009 goto failed;
1010 }
35e4b7af 1011 radeon_connector->dac_load_detect = true;
445282db
DA		 1012 drm_connector_attach_property(&radeon_connector->base,
1013 rdev->mode_info.load_detect_property,
1014 1);
771fe6b9
JG		 1015 break;
1016 case DRM_MODE_CONNECTOR_DVIA:
1017 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
74bf2ad5
DA		 1018 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1019 if (ret)
1020 goto failed;
771fe6b9
JG		 1021 if (i2c_bus->valid) {
1022 radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "DVI");
1023 if (!radeon_connector->ddc_bus)
1024 goto failed;
1025 }
35e4b7af 1026 radeon_connector->dac_load_detect = true;
445282db
DA		 1027 drm_connector_attach_property(&radeon_connector->base,
1028 rdev->mode_info.load_detect_property,
1029 1);
771fe6b9
JG		 1030 break;
1031 case DRM_MODE_CONNECTOR_DVII:
1032 case DRM_MODE_CONNECTOR_DVID:
1033 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
74bf2ad5
DA		 1034 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1035 if (ret)
1036 goto failed;
771fe6b9
JG		 1037 if (i2c_bus->valid) {
1038 radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "DVI");
1039 if (!radeon_connector->ddc_bus)
1040 goto failed;
35e4b7af 1041 radeon_connector->dac_load_detect = true;
445282db
DA		 1042 drm_connector_attach_property(&radeon_connector->base,
1043 rdev->mode_info.load_detect_property,
1044 1);
771fe6b9
JG		 1045 }
1046 subpixel_order = SubPixelHorizontalRGB;
1047 break;
1048 case DRM_MODE_CONNECTOR_SVIDEO:
1049 case DRM_MODE_CONNECTOR_Composite:
1050 case DRM_MODE_CONNECTOR_9PinDIN:
4ce001ab
DA		 1051 if (radeon_tv == 1) {
1052 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
74bf2ad5
DA		 1053 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
1054 if (ret)
1055 goto failed;
35e4b7af 1056 radeon_connector->dac_load_detect = true;
445282db
DA		 1057 drm_connector_attach_property(&radeon_connector->base,
1058 rdev->mode_info.load_detect_property,
1059 1);
4ce001ab 1060 }
771fe6b9
JG		 1061 break;
1062 case DRM_MODE_CONNECTOR_LVDS:
1063 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
74bf2ad5
DA		 1064 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
1065 if (ret)
1066 goto failed;
771fe6b9
JG		 1067 if (i2c_bus->valid) {
1068 radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "LVDS");
1069 if (!radeon_connector->ddc_bus)
1070 goto failed;
1071 }
445282db
DA		 1072 drm_connector_attach_property(&radeon_connector->base,
1073 dev->mode_config.scaling_mode_property,
1074 DRM_MODE_SCALE_FULLSCREEN);
771fe6b9
JG		 1075 subpixel_order = SubPixelHorizontalRGB;
1076 break;
1077 }
1078
1079 connector->display_info.subpixel_order = subpixel_order;
1080 drm_sysfs_connector_add(connector);
1081 return;
1082
1083failed:
1084 if (radeon_connector->ddc_bus)
1085 radeon_i2c_destroy(radeon_connector->ddc_bus);
1086 drm_connector_cleanup(connector);
1087 kfree(connector);
1088}
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