2 * Copyright 2007-8 Advanced Micro Devices, Inc.
3 * Copyright 2008 Red Hat Inc.
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:
12 * The above copyright notice and this permission notice shall be included in
13 * all copies or substantial portions of the Software.
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.
23 * Authors: Dave Airlie
28 #include "drm_crtc_helper.h"
29 #include "drm_fb_helper.h"
30 #include "radeon_drm.h"
35 radeon_combios_connected_scratch_regs(struct drm_connector *connector,
36 struct drm_encoder *encoder,
39 radeon_atombios_connected_scratch_regs(struct drm_connector *connector,
40 struct drm_encoder *encoder,
43 void radeon_connector_hotplug(struct drm_connector *connector)
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);
49 if (radeon_connector->hpd.hpd != RADEON_HPD_NONE)
50 radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
52 if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) {
53 if (radeon_dp_getsinktype(radeon_connector) == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
54 if (radeon_dp_needs_link_train(radeon_connector)) {
55 if (connector->encoder)
56 dp_link_train(connector->encoder, connector);
63 static void radeon_property_change_mode(struct drm_encoder *encoder)
65 struct drm_crtc *crtc = encoder->crtc;
67 if (crtc && crtc->enabled) {
68 drm_crtc_helper_set_mode(crtc, &crtc->mode,
69 crtc->x, crtc->y, crtc->fb);
73 radeon_connector_update_scratch_regs(struct drm_connector *connector, enum drm_connector_status status)
75 struct drm_device *dev = connector->dev;
76 struct radeon_device *rdev = dev->dev_private;
77 struct drm_encoder *best_encoder = NULL;
78 struct drm_encoder *encoder = NULL;
79 struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
80 struct drm_mode_object *obj;
84 best_encoder = connector_funcs->best_encoder(connector);
86 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
87 if (connector->encoder_ids[i] == 0)
90 obj = drm_mode_object_find(connector->dev,
91 connector->encoder_ids[i],
92 DRM_MODE_OBJECT_ENCODER);
96 encoder = obj_to_encoder(obj);
98 if ((encoder == best_encoder) && (status == connector_status_connected))
103 if (rdev->is_atom_bios)
104 radeon_atombios_connected_scratch_regs(connector, encoder, connected);
106 radeon_combios_connected_scratch_regs(connector, encoder, connected);
111 struct drm_encoder *radeon_find_encoder(struct drm_connector *connector, int encoder_type)
113 struct drm_mode_object *obj;
114 struct drm_encoder *encoder;
117 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
118 if (connector->encoder_ids[i] == 0)
121 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
125 encoder = obj_to_encoder(obj);
126 if (encoder->encoder_type == encoder_type)
132 struct drm_encoder *radeon_best_single_encoder(struct drm_connector *connector)
134 int enc_id = connector->encoder_ids[0];
135 struct drm_mode_object *obj;
136 struct drm_encoder *encoder;
138 /* pick the encoder ids */
140 obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER);
143 encoder = obj_to_encoder(obj);
150 * radeon_connector_analog_encoder_conflict_solve
151 * - search for other connectors sharing this encoder
152 * if priority is true, then set them disconnected if this is connected
153 * if priority is false, set us disconnected if they are connected
155 static enum drm_connector_status
156 radeon_connector_analog_encoder_conflict_solve(struct drm_connector *connector,
157 struct drm_encoder *encoder,
158 enum drm_connector_status current_status,
161 struct drm_device *dev = connector->dev;
162 struct drm_connector *conflict;
165 list_for_each_entry(conflict, &dev->mode_config.connector_list, head) {
166 if (conflict == connector)
169 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
170 if (conflict->encoder_ids[i] == 0)
173 /* if the IDs match */
174 if (conflict->encoder_ids[i] == encoder->base.id) {
175 if (conflict->status != connector_status_connected)
178 if (priority == true) {
179 DRM_INFO("1: conflicting encoders switching off %s\n", drm_get_connector_name(conflict));
180 DRM_INFO("in favor of %s\n", drm_get_connector_name(connector));
181 conflict->status = connector_status_disconnected;
182 radeon_connector_update_scratch_regs(conflict, connector_status_disconnected);
184 DRM_INFO("2: conflicting encoders switching off %s\n", drm_get_connector_name(connector));
185 DRM_INFO("in favor of %s\n", drm_get_connector_name(conflict));
186 current_status = connector_status_disconnected;
192 return current_status;
196 static struct drm_display_mode *radeon_fp_native_mode(struct drm_encoder *encoder)
198 struct drm_device *dev = encoder->dev;
199 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
200 struct drm_display_mode *mode = NULL;
201 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
203 if (native_mode->hdisplay != 0 &&
204 native_mode->vdisplay != 0 &&
205 native_mode->clock != 0) {
206 mode = drm_mode_duplicate(dev, native_mode);
207 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
208 drm_mode_set_name(mode);
210 DRM_DEBUG("Adding native panel mode %s\n", mode->name);
211 } else if (native_mode->hdisplay != 0 &&
212 native_mode->vdisplay != 0) {
213 /* mac laptops without an edid */
214 /* Note that this is not necessarily the exact panel mode,
215 * but an approximation based on the cvt formula. For these
216 * systems we should ideally read the mode info out of the
217 * registers or add a mode table, but this works and is much
220 mode = drm_cvt_mode(dev, native_mode->hdisplay, native_mode->vdisplay, 60, true, false, false);
221 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
222 DRM_DEBUG("Adding cvt approximation of native panel mode %s\n", mode->name);
227 static void radeon_add_common_modes(struct drm_encoder *encoder, struct drm_connector *connector)
229 struct drm_device *dev = encoder->dev;
230 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
231 struct drm_display_mode *mode = NULL;
232 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
237 } common_modes[17] = {
257 for (i = 0; i < 17; i++) {
258 if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) {
259 if (common_modes[i].w > 1024 ||
260 common_modes[i].h > 768)
263 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
264 if (common_modes[i].w > native_mode->hdisplay ||
265 common_modes[i].h > native_mode->vdisplay ||
266 (common_modes[i].w == native_mode->hdisplay &&
267 common_modes[i].h == native_mode->vdisplay))
270 if (common_modes[i].w < 320 || common_modes[i].h < 200)
273 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 60, false, false, false);
274 drm_mode_probed_add(connector, mode);
278 int radeon_connector_set_property(struct drm_connector *connector, struct drm_property *property,
281 struct drm_device *dev = connector->dev;
282 struct radeon_device *rdev = dev->dev_private;
283 struct drm_encoder *encoder;
284 struct radeon_encoder *radeon_encoder;
286 if (property == rdev->mode_info.coherent_mode_property) {
287 struct radeon_encoder_atom_dig *dig;
289 /* need to find digital encoder on connector */
290 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
294 radeon_encoder = to_radeon_encoder(encoder);
296 if (!radeon_encoder->enc_priv)
299 dig = radeon_encoder->enc_priv;
300 dig->coherent_mode = val ? true : false;
301 radeon_property_change_mode(&radeon_encoder->base);
304 if (property == rdev->mode_info.tv_std_property) {
305 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TVDAC);
307 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_DAC);
313 radeon_encoder = to_radeon_encoder(encoder);
314 if (!radeon_encoder->enc_priv)
316 if (rdev->is_atom_bios) {
317 struct radeon_encoder_atom_dac *dac_int;
318 dac_int = radeon_encoder->enc_priv;
319 dac_int->tv_std = val;
321 struct radeon_encoder_tv_dac *dac_int;
322 dac_int = radeon_encoder->enc_priv;
323 dac_int->tv_std = val;
325 radeon_property_change_mode(&radeon_encoder->base);
328 if (property == rdev->mode_info.load_detect_property) {
329 struct radeon_connector *radeon_connector =
330 to_radeon_connector(connector);
333 radeon_connector->dac_load_detect = false;
335 radeon_connector->dac_load_detect = true;
338 if (property == rdev->mode_info.tmds_pll_property) {
339 struct radeon_encoder_int_tmds *tmds = NULL;
341 /* need to find digital encoder on connector */
342 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
346 radeon_encoder = to_radeon_encoder(encoder);
348 tmds = radeon_encoder->enc_priv;
353 if (rdev->is_atom_bios)
354 ret = radeon_atombios_get_tmds_info(radeon_encoder, tmds);
356 ret = radeon_legacy_get_tmds_info_from_combios(radeon_encoder, tmds);
358 if (val == 1 || ret == false) {
359 radeon_legacy_get_tmds_info_from_table(radeon_encoder, tmds);
361 radeon_property_change_mode(&radeon_encoder->base);
367 static void radeon_fixup_lvds_native_mode(struct drm_encoder *encoder,
368 struct drm_connector *connector)
370 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
371 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
373 /* Try to get native mode details from EDID if necessary */
374 if (!native_mode->clock) {
375 struct drm_display_mode *t, *mode;
377 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
378 if (mode->hdisplay == native_mode->hdisplay &&
379 mode->vdisplay == native_mode->vdisplay) {
380 *native_mode = *mode;
381 drm_mode_set_crtcinfo(native_mode, CRTC_INTERLACE_HALVE_V);
382 DRM_INFO("Determined LVDS native mode details from EDID\n");
387 if (!native_mode->clock) {
388 DRM_INFO("No LVDS native mode details, disabling RMX\n");
389 radeon_encoder->rmx_type = RMX_OFF;
393 static int radeon_lvds_get_modes(struct drm_connector *connector)
395 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
396 struct drm_encoder *encoder;
398 struct drm_display_mode *mode;
400 if (radeon_connector->ddc_bus) {
401 ret = radeon_ddc_get_modes(radeon_connector);
403 encoder = radeon_best_single_encoder(connector);
405 radeon_fixup_lvds_native_mode(encoder, connector);
406 /* add scaled modes */
407 radeon_add_common_modes(encoder, connector);
413 encoder = radeon_best_single_encoder(connector);
417 /* we have no EDID modes */
418 mode = radeon_fp_native_mode(encoder);
421 drm_mode_probed_add(connector, mode);
422 /* add scaled modes */
423 radeon_add_common_modes(encoder, connector);
429 static int radeon_lvds_mode_valid(struct drm_connector *connector,
430 struct drm_display_mode *mode)
432 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
434 if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
438 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
439 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
441 /* AVIVO hardware supports downscaling modes larger than the panel
442 * to the panel size, but I'm not sure this is desirable.
444 if ((mode->hdisplay > native_mode->hdisplay) ||
445 (mode->vdisplay > native_mode->vdisplay))
448 /* if scaling is disabled, block non-native modes */
449 if (radeon_encoder->rmx_type == RMX_OFF) {
450 if ((mode->hdisplay != native_mode->hdisplay) ||
451 (mode->vdisplay != native_mode->vdisplay))
459 static enum drm_connector_status radeon_lvds_detect(struct drm_connector *connector)
461 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
462 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
463 enum drm_connector_status ret = connector_status_disconnected;
466 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
467 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
469 /* check if panel is valid */
470 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
471 ret = connector_status_connected;
475 /* check for edid as well */
476 if (radeon_connector->edid)
477 ret = connector_status_connected;
479 if (radeon_connector->ddc_bus) {
480 radeon_i2c_do_lock(radeon_connector->ddc_bus, 1);
481 radeon_connector->edid = drm_get_edid(&radeon_connector->base,
482 &radeon_connector->ddc_bus->adapter);
483 radeon_i2c_do_lock(radeon_connector->ddc_bus, 0);
484 if (radeon_connector->edid)
485 ret = connector_status_connected;
488 /* check acpi lid status ??? */
490 radeon_connector_update_scratch_regs(connector, ret);
494 static void radeon_connector_destroy(struct drm_connector *connector)
496 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
498 if (radeon_connector->ddc_bus)
499 radeon_i2c_destroy(radeon_connector->ddc_bus);
500 if (radeon_connector->edid)
501 kfree(radeon_connector->edid);
502 kfree(radeon_connector->con_priv);
503 drm_sysfs_connector_remove(connector);
504 drm_connector_cleanup(connector);
508 static int radeon_lvds_set_property(struct drm_connector *connector,
509 struct drm_property *property,
512 struct drm_device *dev = connector->dev;
513 struct radeon_encoder *radeon_encoder;
514 enum radeon_rmx_type rmx_type;
517 if (property != dev->mode_config.scaling_mode_property)
520 if (connector->encoder)
521 radeon_encoder = to_radeon_encoder(connector->encoder);
523 struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
524 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
528 case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
529 case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
530 case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
532 case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
534 if (radeon_encoder->rmx_type == rmx_type)
537 radeon_encoder->rmx_type = rmx_type;
539 radeon_property_change_mode(&radeon_encoder->base);
544 struct drm_connector_helper_funcs radeon_lvds_connector_helper_funcs = {
545 .get_modes = radeon_lvds_get_modes,
546 .mode_valid = radeon_lvds_mode_valid,
547 .best_encoder = radeon_best_single_encoder,
550 struct drm_connector_funcs radeon_lvds_connector_funcs = {
551 .dpms = drm_helper_connector_dpms,
552 .detect = radeon_lvds_detect,
553 .fill_modes = drm_helper_probe_single_connector_modes,
554 .destroy = radeon_connector_destroy,
555 .set_property = radeon_lvds_set_property,
558 static int radeon_vga_get_modes(struct drm_connector *connector)
560 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
563 ret = radeon_ddc_get_modes(radeon_connector);
568 static int radeon_vga_mode_valid(struct drm_connector *connector,
569 struct drm_display_mode *mode)
571 /* XXX check mode bandwidth */
572 /* XXX verify against max DAC output frequency */
576 static enum drm_connector_status radeon_vga_detect(struct drm_connector *connector)
578 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
579 struct drm_encoder *encoder;
580 struct drm_encoder_helper_funcs *encoder_funcs;
582 enum drm_connector_status ret = connector_status_disconnected;
584 encoder = radeon_best_single_encoder(connector);
586 ret = connector_status_disconnected;
588 radeon_i2c_do_lock(radeon_connector->ddc_bus, 1);
589 dret = radeon_ddc_probe(radeon_connector);
590 radeon_i2c_do_lock(radeon_connector->ddc_bus, 0);
592 if (radeon_connector->edid) {
593 kfree(radeon_connector->edid);
594 radeon_connector->edid = NULL;
596 radeon_i2c_do_lock(radeon_connector->ddc_bus, 1);
597 radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
598 radeon_i2c_do_lock(radeon_connector->ddc_bus, 0);
600 if (!radeon_connector->edid) {
601 DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
602 drm_get_connector_name(connector));
603 ret = connector_status_connected;
605 radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
607 /* some oems have boards with separate digital and analog connectors
608 * with a shared ddc line (often vga + hdmi)
610 if (radeon_connector->use_digital && radeon_connector->shared_ddc) {
611 kfree(radeon_connector->edid);
612 radeon_connector->edid = NULL;
613 ret = connector_status_disconnected;
615 ret = connector_status_connected;
618 if (radeon_connector->dac_load_detect) {
619 encoder_funcs = encoder->helper_private;
620 ret = encoder_funcs->detect(encoder, connector);
624 if (ret == connector_status_connected)
625 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
626 radeon_connector_update_scratch_regs(connector, ret);
630 struct drm_connector_helper_funcs radeon_vga_connector_helper_funcs = {
631 .get_modes = radeon_vga_get_modes,
632 .mode_valid = radeon_vga_mode_valid,
633 .best_encoder = radeon_best_single_encoder,
636 struct drm_connector_funcs radeon_vga_connector_funcs = {
637 .dpms = drm_helper_connector_dpms,
638 .detect = radeon_vga_detect,
639 .fill_modes = drm_helper_probe_single_connector_modes,
640 .destroy = radeon_connector_destroy,
641 .set_property = radeon_connector_set_property,
644 static int radeon_tv_get_modes(struct drm_connector *connector)
646 struct drm_device *dev = connector->dev;
647 struct radeon_device *rdev = dev->dev_private;
648 struct drm_display_mode *tv_mode;
649 struct drm_encoder *encoder;
651 encoder = radeon_best_single_encoder(connector);
655 /* avivo chips can scale any mode */
656 if (rdev->family >= CHIP_RS600)
657 /* add scaled modes */
658 radeon_add_common_modes(encoder, connector);
660 /* only 800x600 is supported right now on pre-avivo chips */
661 tv_mode = drm_cvt_mode(dev, 800, 600, 60, false, false, false);
662 tv_mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
663 drm_mode_probed_add(connector, tv_mode);
668 static int radeon_tv_mode_valid(struct drm_connector *connector,
669 struct drm_display_mode *mode)
671 if ((mode->hdisplay > 1024) || (mode->vdisplay > 768))
672 return MODE_CLOCK_RANGE;
676 static enum drm_connector_status radeon_tv_detect(struct drm_connector *connector)
678 struct drm_encoder *encoder;
679 struct drm_encoder_helper_funcs *encoder_funcs;
680 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
681 enum drm_connector_status ret = connector_status_disconnected;
683 if (!radeon_connector->dac_load_detect)
686 encoder = radeon_best_single_encoder(connector);
688 ret = connector_status_disconnected;
690 encoder_funcs = encoder->helper_private;
691 ret = encoder_funcs->detect(encoder, connector);
693 if (ret == connector_status_connected)
694 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, false);
695 radeon_connector_update_scratch_regs(connector, ret);
699 struct drm_connector_helper_funcs radeon_tv_connector_helper_funcs = {
700 .get_modes = radeon_tv_get_modes,
701 .mode_valid = radeon_tv_mode_valid,
702 .best_encoder = radeon_best_single_encoder,
705 struct drm_connector_funcs radeon_tv_connector_funcs = {
706 .dpms = drm_helper_connector_dpms,
707 .detect = radeon_tv_detect,
708 .fill_modes = drm_helper_probe_single_connector_modes,
709 .destroy = radeon_connector_destroy,
710 .set_property = radeon_connector_set_property,
713 static int radeon_dvi_get_modes(struct drm_connector *connector)
715 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
718 ret = radeon_ddc_get_modes(radeon_connector);
724 * Do a DDC probe, if DDC probe passes, get the full EDID so
725 * we can do analog/digital monitor detection at this point.
726 * If the monitor is an analog monitor or we got no DDC,
727 * we need to find the DAC encoder object for this connector.
728 * If we got no DDC, we do load detection on the DAC encoder object.
729 * If we got analog DDC or load detection passes on the DAC encoder
730 * we have to check if this analog encoder is shared with anyone else (TV)
731 * if its shared we have to set the other connector to disconnected.
733 static enum drm_connector_status radeon_dvi_detect(struct drm_connector *connector)
735 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
736 struct drm_encoder *encoder = NULL;
737 struct drm_encoder_helper_funcs *encoder_funcs;
738 struct drm_mode_object *obj;
740 enum drm_connector_status ret = connector_status_disconnected;
743 radeon_i2c_do_lock(radeon_connector->ddc_bus, 1);
744 dret = radeon_ddc_probe(radeon_connector);
745 radeon_i2c_do_lock(radeon_connector->ddc_bus, 0);
747 if (radeon_connector->edid) {
748 kfree(radeon_connector->edid);
749 radeon_connector->edid = NULL;
751 radeon_i2c_do_lock(radeon_connector->ddc_bus, 1);
752 radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
753 radeon_i2c_do_lock(radeon_connector->ddc_bus, 0);
755 if (!radeon_connector->edid) {
756 DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
757 drm_get_connector_name(connector));
759 radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
761 /* some oems have boards with separate digital and analog connectors
762 * with a shared ddc line (often vga + hdmi)
764 if ((!radeon_connector->use_digital) && radeon_connector->shared_ddc) {
765 kfree(radeon_connector->edid);
766 radeon_connector->edid = NULL;
767 ret = connector_status_disconnected;
769 ret = connector_status_connected;
771 /* multiple connectors on the same encoder with the same ddc line
772 * This tends to be HDMI and DVI on the same encoder with the
773 * same ddc line. If the edid says HDMI, consider the HDMI port
774 * connected and the DVI port disconnected. If the edid doesn't
775 * say HDMI, vice versa.
777 if (radeon_connector->shared_ddc && connector_status_connected) {
778 struct drm_device *dev = connector->dev;
779 struct drm_connector *list_connector;
780 struct radeon_connector *list_radeon_connector;
781 list_for_each_entry(list_connector, &dev->mode_config.connector_list, head) {
782 if (connector == list_connector)
784 list_radeon_connector = to_radeon_connector(list_connector);
785 if (radeon_connector->devices == list_radeon_connector->devices) {
786 if (drm_detect_hdmi_monitor(radeon_connector->edid)) {
787 if (connector->connector_type == DRM_MODE_CONNECTOR_DVID) {
788 kfree(radeon_connector->edid);
789 radeon_connector->edid = NULL;
790 ret = connector_status_disconnected;
793 if ((connector->connector_type == DRM_MODE_CONNECTOR_HDMIA) ||
794 (connector->connector_type == DRM_MODE_CONNECTOR_HDMIB)) {
795 kfree(radeon_connector->edid);
796 radeon_connector->edid = NULL;
797 ret = connector_status_disconnected;
806 if ((ret == connector_status_connected) && (radeon_connector->use_digital == true))
809 /* find analog encoder */
810 if (radeon_connector->dac_load_detect) {
811 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
812 if (connector->encoder_ids[i] == 0)
815 obj = drm_mode_object_find(connector->dev,
816 connector->encoder_ids[i],
817 DRM_MODE_OBJECT_ENCODER);
821 encoder = obj_to_encoder(obj);
823 encoder_funcs = encoder->helper_private;
824 if (encoder_funcs->detect) {
825 if (ret != connector_status_connected) {
826 ret = encoder_funcs->detect(encoder, connector);
827 if (ret == connector_status_connected) {
828 radeon_connector->use_digital = false;
836 if ((ret == connector_status_connected) && (radeon_connector->use_digital == false) &&
838 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
842 /* updated in get modes as well since we need to know if it's analog or digital */
843 radeon_connector_update_scratch_regs(connector, ret);
847 /* okay need to be smart in here about which encoder to pick */
848 struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector)
850 int enc_id = connector->encoder_ids[0];
851 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
852 struct drm_mode_object *obj;
853 struct drm_encoder *encoder;
855 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
856 if (connector->encoder_ids[i] == 0)
859 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
863 encoder = obj_to_encoder(obj);
865 if (radeon_connector->use_digital == true) {
866 if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)
869 if (encoder->encoder_type == DRM_MODE_ENCODER_DAC ||
870 encoder->encoder_type == DRM_MODE_ENCODER_TVDAC)
875 /* see if we have a default encoder TODO */
877 /* then check use digitial */
878 /* pick the first one */
880 obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER);
883 encoder = obj_to_encoder(obj);
889 static void radeon_dvi_force(struct drm_connector *connector)
891 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
892 if (connector->force == DRM_FORCE_ON)
893 radeon_connector->use_digital = false;
894 if (connector->force == DRM_FORCE_ON_DIGITAL)
895 radeon_connector->use_digital = true;
898 static int radeon_dvi_mode_valid(struct drm_connector *connector,
899 struct drm_display_mode *mode)
901 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
903 /* XXX check mode bandwidth */
905 if (radeon_connector->use_digital && (mode->clock > 165000)) {
906 if ((radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) ||
907 (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) ||
908 (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B))
911 return MODE_CLOCK_HIGH;
916 struct drm_connector_helper_funcs radeon_dvi_connector_helper_funcs = {
917 .get_modes = radeon_dvi_get_modes,
918 .mode_valid = radeon_dvi_mode_valid,
919 .best_encoder = radeon_dvi_encoder,
922 struct drm_connector_funcs radeon_dvi_connector_funcs = {
923 .dpms = drm_helper_connector_dpms,
924 .detect = radeon_dvi_detect,
925 .fill_modes = drm_helper_probe_single_connector_modes,
926 .set_property = radeon_connector_set_property,
927 .destroy = radeon_connector_destroy,
928 .force = radeon_dvi_force,
931 static void radeon_dp_connector_destroy(struct drm_connector *connector)
933 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
934 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
936 if (radeon_connector->ddc_bus)
937 radeon_i2c_destroy(radeon_connector->ddc_bus);
938 if (radeon_connector->edid)
939 kfree(radeon_connector->edid);
940 if (radeon_dig_connector->dp_i2c_bus)
941 radeon_i2c_destroy(radeon_dig_connector->dp_i2c_bus);
942 kfree(radeon_connector->con_priv);
943 drm_sysfs_connector_remove(connector);
944 drm_connector_cleanup(connector);
948 static int radeon_dp_get_modes(struct drm_connector *connector)
950 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
953 ret = radeon_ddc_get_modes(radeon_connector);
957 static enum drm_connector_status radeon_dp_detect(struct drm_connector *connector)
959 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
960 enum drm_connector_status ret = connector_status_disconnected;
961 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
964 if (radeon_connector->edid) {
965 kfree(radeon_connector->edid);
966 radeon_connector->edid = NULL;
969 sink_type = radeon_dp_getsinktype(radeon_connector);
970 if (sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
971 if (radeon_dp_getdpcd(radeon_connector)) {
972 radeon_dig_connector->dp_sink_type = sink_type;
973 ret = connector_status_connected;
976 radeon_i2c_do_lock(radeon_connector->ddc_bus, 1);
977 if (radeon_ddc_probe(radeon_connector)) {
978 radeon_dig_connector->dp_sink_type = sink_type;
979 ret = connector_status_connected;
981 radeon_i2c_do_lock(radeon_connector->ddc_bus, 0);
987 static int radeon_dp_mode_valid(struct drm_connector *connector,
988 struct drm_display_mode *mode)
990 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
991 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
993 /* XXX check mode bandwidth */
995 if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT)
996 return radeon_dp_mode_valid_helper(radeon_connector, mode);
1001 struct drm_connector_helper_funcs radeon_dp_connector_helper_funcs = {
1002 .get_modes = radeon_dp_get_modes,
1003 .mode_valid = radeon_dp_mode_valid,
1004 .best_encoder = radeon_dvi_encoder,
1007 struct drm_connector_funcs radeon_dp_connector_funcs = {
1008 .dpms = drm_helper_connector_dpms,
1009 .detect = radeon_dp_detect,
1010 .fill_modes = drm_helper_probe_single_connector_modes,
1011 .set_property = radeon_connector_set_property,
1012 .destroy = radeon_dp_connector_destroy,
1013 .force = radeon_dvi_force,
1017 radeon_add_atom_connector(struct drm_device *dev,
1018 uint32_t connector_id,
1019 uint32_t supported_device,
1021 struct radeon_i2c_bus_rec *i2c_bus,
1023 uint32_t igp_lane_info,
1024 uint16_t connector_object_id,
1025 struct radeon_hpd *hpd)
1027 struct radeon_device *rdev = dev->dev_private;
1028 struct drm_connector *connector;
1029 struct radeon_connector *radeon_connector;
1030 struct radeon_connector_atom_dig *radeon_dig_connector;
1031 uint32_t subpixel_order = SubPixelNone;
1032 bool shared_ddc = false;
1035 /* fixme - tv/cv/din */
1036 if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1039 /* see if we already added it */
1040 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1041 radeon_connector = to_radeon_connector(connector);
1042 if (radeon_connector->connector_id == connector_id) {
1043 radeon_connector->devices |= supported_device;
1046 if (radeon_connector->ddc_bus && i2c_bus->valid) {
1047 if (memcmp(&radeon_connector->ddc_bus->rec, i2c_bus,
1048 sizeof(struct radeon_i2c_bus_rec)) == 0) {
1049 radeon_connector->shared_ddc = true;
1055 radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1056 if (!radeon_connector)
1059 connector = &radeon_connector->base;
1061 radeon_connector->connector_id = connector_id;
1062 radeon_connector->devices = supported_device;
1063 radeon_connector->shared_ddc = shared_ddc;
1064 radeon_connector->connector_object_id = connector_object_id;
1065 radeon_connector->hpd = *hpd;
1066 switch (connector_type) {
1067 case DRM_MODE_CONNECTOR_VGA:
1068 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1069 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1072 if (i2c_bus->valid) {
1073 radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "VGA");
1074 if (!radeon_connector->ddc_bus)
1077 radeon_connector->dac_load_detect = true;
1078 drm_connector_attach_property(&radeon_connector->base,
1079 rdev->mode_info.load_detect_property,
1082 case DRM_MODE_CONNECTOR_DVIA:
1083 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1084 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1087 if (i2c_bus->valid) {
1088 radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "DVI");
1089 if (!radeon_connector->ddc_bus)
1092 radeon_connector->dac_load_detect = true;
1093 drm_connector_attach_property(&radeon_connector->base,
1094 rdev->mode_info.load_detect_property,
1097 case DRM_MODE_CONNECTOR_DVII:
1098 case DRM_MODE_CONNECTOR_DVID:
1099 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1100 if (!radeon_dig_connector)
1102 radeon_dig_connector->linkb = linkb;
1103 radeon_dig_connector->igp_lane_info = igp_lane_info;
1104 radeon_connector->con_priv = radeon_dig_connector;
1105 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1106 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1109 if (i2c_bus->valid) {
1110 radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "DVI");
1111 if (!radeon_connector->ddc_bus)
1114 subpixel_order = SubPixelHorizontalRGB;
1115 drm_connector_attach_property(&radeon_connector->base,
1116 rdev->mode_info.coherent_mode_property,
1118 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1119 radeon_connector->dac_load_detect = true;
1120 drm_connector_attach_property(&radeon_connector->base,
1121 rdev->mode_info.load_detect_property,
1125 case DRM_MODE_CONNECTOR_HDMIA:
1126 case DRM_MODE_CONNECTOR_HDMIB:
1127 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1128 if (!radeon_dig_connector)
1130 radeon_dig_connector->linkb = linkb;
1131 radeon_dig_connector->igp_lane_info = igp_lane_info;
1132 radeon_connector->con_priv = radeon_dig_connector;
1133 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1134 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1137 if (i2c_bus->valid) {
1138 radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "HDMI");
1139 if (!radeon_connector->ddc_bus)
1142 drm_connector_attach_property(&radeon_connector->base,
1143 rdev->mode_info.coherent_mode_property,
1145 subpixel_order = SubPixelHorizontalRGB;
1147 case DRM_MODE_CONNECTOR_DisplayPort:
1148 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1149 if (!radeon_dig_connector)
1151 radeon_dig_connector->linkb = linkb;
1152 radeon_dig_connector->igp_lane_info = igp_lane_info;
1153 radeon_connector->con_priv = radeon_dig_connector;
1154 drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
1155 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
1158 if (i2c_bus->valid) {
1159 /* add DP i2c bus */
1160 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "DP-auxch");
1161 if (!radeon_dig_connector->dp_i2c_bus)
1163 radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "DP");
1164 if (!radeon_connector->ddc_bus)
1167 subpixel_order = SubPixelHorizontalRGB;
1168 drm_connector_attach_property(&radeon_connector->base,
1169 rdev->mode_info.coherent_mode_property,
1172 case DRM_MODE_CONNECTOR_SVIDEO:
1173 case DRM_MODE_CONNECTOR_Composite:
1174 case DRM_MODE_CONNECTOR_9PinDIN:
1175 if (radeon_tv == 1) {
1176 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
1177 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
1180 radeon_connector->dac_load_detect = true;
1181 drm_connector_attach_property(&radeon_connector->base,
1182 rdev->mode_info.load_detect_property,
1184 drm_connector_attach_property(&radeon_connector->base,
1185 rdev->mode_info.tv_std_property,
1186 radeon_atombios_get_tv_info(rdev));
1189 case DRM_MODE_CONNECTOR_LVDS:
1190 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1191 if (!radeon_dig_connector)
1193 radeon_dig_connector->linkb = linkb;
1194 radeon_dig_connector->igp_lane_info = igp_lane_info;
1195 radeon_connector->con_priv = radeon_dig_connector;
1196 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
1197 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
1200 if (i2c_bus->valid) {
1201 radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "LVDS");
1202 if (!radeon_connector->ddc_bus)
1205 drm_connector_attach_property(&radeon_connector->base,
1206 dev->mode_config.scaling_mode_property,
1207 DRM_MODE_SCALE_FULLSCREEN);
1208 subpixel_order = SubPixelHorizontalRGB;
1212 connector->display_info.subpixel_order = subpixel_order;
1213 drm_sysfs_connector_add(connector);
1217 if (radeon_connector->ddc_bus)
1218 radeon_i2c_destroy(radeon_connector->ddc_bus);
1219 drm_connector_cleanup(connector);
1224 radeon_add_legacy_connector(struct drm_device *dev,
1225 uint32_t connector_id,
1226 uint32_t supported_device,
1228 struct radeon_i2c_bus_rec *i2c_bus,
1229 uint16_t connector_object_id,
1230 struct radeon_hpd *hpd)
1232 struct radeon_device *rdev = dev->dev_private;
1233 struct drm_connector *connector;
1234 struct radeon_connector *radeon_connector;
1235 uint32_t subpixel_order = SubPixelNone;
1238 /* fixme - tv/cv/din */
1239 if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1242 /* see if we already added it */
1243 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1244 radeon_connector = to_radeon_connector(connector);
1245 if (radeon_connector->connector_id == connector_id) {
1246 radeon_connector->devices |= supported_device;
1251 radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1252 if (!radeon_connector)
1255 connector = &radeon_connector->base;
1257 radeon_connector->connector_id = connector_id;
1258 radeon_connector->devices = supported_device;
1259 radeon_connector->connector_object_id = connector_object_id;
1260 radeon_connector->hpd = *hpd;
1261 switch (connector_type) {
1262 case DRM_MODE_CONNECTOR_VGA:
1263 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1264 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1267 if (i2c_bus->valid) {
1268 radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "VGA");
1269 if (!radeon_connector->ddc_bus)
1272 radeon_connector->dac_load_detect = true;
1273 drm_connector_attach_property(&radeon_connector->base,
1274 rdev->mode_info.load_detect_property,
1277 case DRM_MODE_CONNECTOR_DVIA:
1278 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1279 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1282 if (i2c_bus->valid) {
1283 radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "DVI");
1284 if (!radeon_connector->ddc_bus)
1287 radeon_connector->dac_load_detect = true;
1288 drm_connector_attach_property(&radeon_connector->base,
1289 rdev->mode_info.load_detect_property,
1292 case DRM_MODE_CONNECTOR_DVII:
1293 case DRM_MODE_CONNECTOR_DVID:
1294 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1295 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1298 if (i2c_bus->valid) {
1299 radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "DVI");
1300 if (!radeon_connector->ddc_bus)
1302 radeon_connector->dac_load_detect = true;
1303 drm_connector_attach_property(&radeon_connector->base,
1304 rdev->mode_info.load_detect_property,
1307 subpixel_order = SubPixelHorizontalRGB;
1309 case DRM_MODE_CONNECTOR_SVIDEO:
1310 case DRM_MODE_CONNECTOR_Composite:
1311 case DRM_MODE_CONNECTOR_9PinDIN:
1312 if (radeon_tv == 1) {
1313 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
1314 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
1317 radeon_connector->dac_load_detect = true;
1318 /* RS400,RC410,RS480 chipset seems to report a lot
1319 * of false positive on load detect, we haven't yet
1320 * found a way to make load detect reliable on those
1321 * chipset, thus just disable it for TV.
1323 if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480)
1324 radeon_connector->dac_load_detect = false;
1325 drm_connector_attach_property(&radeon_connector->base,
1326 rdev->mode_info.load_detect_property,
1328 drm_connector_attach_property(&radeon_connector->base,
1329 rdev->mode_info.tv_std_property,
1330 radeon_combios_get_tv_info(rdev));
1333 case DRM_MODE_CONNECTOR_LVDS:
1334 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
1335 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
1338 if (i2c_bus->valid) {
1339 radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "LVDS");
1340 if (!radeon_connector->ddc_bus)
1343 drm_connector_attach_property(&radeon_connector->base,
1344 dev->mode_config.scaling_mode_property,
1345 DRM_MODE_SCALE_FULLSCREEN);
1346 subpixel_order = SubPixelHorizontalRGB;
1350 connector->display_info.subpixel_order = subpixel_order;
1351 drm_sysfs_connector_add(connector);
1355 if (radeon_connector->ddc_bus)
1356 radeon_i2c_destroy(radeon_connector->ddc_bus);
1357 drm_connector_cleanup(connector);