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 (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);
65 static void radeon_property_change_mode(struct drm_encoder *encoder)
67 struct drm_crtc *crtc = encoder->crtc;
69 if (crtc && crtc->enabled) {
70 drm_crtc_helper_set_mode(crtc, &crtc->mode,
71 crtc->x, crtc->y, crtc->fb);
75 radeon_connector_update_scratch_regs(struct drm_connector *connector, enum drm_connector_status status)
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;
86 best_encoder = connector_funcs->best_encoder(connector);
88 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
89 if (connector->encoder_ids[i] == 0)
92 obj = drm_mode_object_find(connector->dev,
93 connector->encoder_ids[i],
94 DRM_MODE_OBJECT_ENCODER);
98 encoder = obj_to_encoder(obj);
100 if ((encoder == best_encoder) && (status == connector_status_connected))
105 if (rdev->is_atom_bios)
106 radeon_atombios_connected_scratch_regs(connector, encoder, connected);
108 radeon_combios_connected_scratch_regs(connector, encoder, connected);
113 struct drm_encoder *radeon_find_encoder(struct drm_connector *connector, int encoder_type)
115 struct drm_mode_object *obj;
116 struct drm_encoder *encoder;
119 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
120 if (connector->encoder_ids[i] == 0)
123 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
127 encoder = obj_to_encoder(obj);
128 if (encoder->encoder_type == encoder_type)
134 struct drm_encoder *radeon_best_single_encoder(struct drm_connector *connector)
136 int enc_id = connector->encoder_ids[0];
137 struct drm_mode_object *obj;
138 struct drm_encoder *encoder;
140 /* pick the encoder ids */
142 obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER);
145 encoder = obj_to_encoder(obj);
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
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,
163 struct drm_device *dev = connector->dev;
164 struct drm_connector *conflict;
165 struct radeon_connector *radeon_conflict;
168 list_for_each_entry(conflict, &dev->mode_config.connector_list, head) {
169 if (conflict == connector)
172 radeon_conflict = to_radeon_connector(conflict);
173 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
174 if (conflict->encoder_ids[i] == 0)
177 /* if the IDs match */
178 if (conflict->encoder_ids[i] == encoder->base.id) {
179 if (conflict->status != connector_status_connected)
182 if (radeon_conflict->use_digital)
185 if (priority == true) {
186 DRM_INFO("1: conflicting encoders switching off %s\n", drm_get_connector_name(conflict));
187 DRM_INFO("in favor of %s\n", drm_get_connector_name(connector));
188 conflict->status = connector_status_disconnected;
189 radeon_connector_update_scratch_regs(conflict, connector_status_disconnected);
191 DRM_INFO("2: conflicting encoders switching off %s\n", drm_get_connector_name(connector));
192 DRM_INFO("in favor of %s\n", drm_get_connector_name(conflict));
193 current_status = connector_status_disconnected;
199 return current_status;
203 static struct drm_display_mode *radeon_fp_native_mode(struct drm_encoder *encoder)
205 struct drm_device *dev = encoder->dev;
206 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
207 struct drm_display_mode *mode = NULL;
208 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
210 if (native_mode->hdisplay != 0 &&
211 native_mode->vdisplay != 0 &&
212 native_mode->clock != 0) {
213 mode = drm_mode_duplicate(dev, native_mode);
214 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
215 drm_mode_set_name(mode);
217 DRM_DEBUG("Adding native panel mode %s\n", mode->name);
218 } else if (native_mode->hdisplay != 0 &&
219 native_mode->vdisplay != 0) {
220 /* mac laptops without an edid */
221 /* Note that this is not necessarily the exact panel mode,
222 * but an approximation based on the cvt formula. For these
223 * systems we should ideally read the mode info out of the
224 * registers or add a mode table, but this works and is much
227 mode = drm_cvt_mode(dev, native_mode->hdisplay, native_mode->vdisplay, 60, true, false, false);
228 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
229 DRM_DEBUG("Adding cvt approximation of native panel mode %s\n", mode->name);
234 static void radeon_add_common_modes(struct drm_encoder *encoder, struct drm_connector *connector)
236 struct drm_device *dev = encoder->dev;
237 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
238 struct drm_display_mode *mode = NULL;
239 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
244 } common_modes[17] = {
264 for (i = 0; i < 17; i++) {
265 if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) {
266 if (common_modes[i].w > 1024 ||
267 common_modes[i].h > 768)
270 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
271 if (common_modes[i].w > native_mode->hdisplay ||
272 common_modes[i].h > native_mode->vdisplay ||
273 (common_modes[i].w == native_mode->hdisplay &&
274 common_modes[i].h == native_mode->vdisplay))
277 if (common_modes[i].w < 320 || common_modes[i].h < 200)
280 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 60, false, false, false);
281 drm_mode_probed_add(connector, mode);
285 int radeon_connector_set_property(struct drm_connector *connector, struct drm_property *property,
288 struct drm_device *dev = connector->dev;
289 struct radeon_device *rdev = dev->dev_private;
290 struct drm_encoder *encoder;
291 struct radeon_encoder *radeon_encoder;
293 if (property == rdev->mode_info.coherent_mode_property) {
294 struct radeon_encoder_atom_dig *dig;
295 bool new_coherent_mode;
297 /* need to find digital encoder on connector */
298 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
302 radeon_encoder = to_radeon_encoder(encoder);
304 if (!radeon_encoder->enc_priv)
307 dig = radeon_encoder->enc_priv;
308 new_coherent_mode = val ? true : false;
309 if (dig->coherent_mode != new_coherent_mode) {
310 dig->coherent_mode = new_coherent_mode;
311 radeon_property_change_mode(&radeon_encoder->base);
315 if (property == rdev->mode_info.tv_std_property) {
316 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TVDAC);
318 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_DAC);
324 radeon_encoder = to_radeon_encoder(encoder);
325 if (!radeon_encoder->enc_priv)
327 if (ASIC_IS_AVIVO(rdev) || radeon_r4xx_atom) {
328 struct radeon_encoder_atom_dac *dac_int;
329 dac_int = radeon_encoder->enc_priv;
330 dac_int->tv_std = val;
332 struct radeon_encoder_tv_dac *dac_int;
333 dac_int = radeon_encoder->enc_priv;
334 dac_int->tv_std = val;
336 radeon_property_change_mode(&radeon_encoder->base);
339 if (property == rdev->mode_info.load_detect_property) {
340 struct radeon_connector *radeon_connector =
341 to_radeon_connector(connector);
344 radeon_connector->dac_load_detect = false;
346 radeon_connector->dac_load_detect = true;
349 if (property == rdev->mode_info.tmds_pll_property) {
350 struct radeon_encoder_int_tmds *tmds = NULL;
352 /* need to find digital encoder on connector */
353 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
357 radeon_encoder = to_radeon_encoder(encoder);
359 tmds = radeon_encoder->enc_priv;
364 if (rdev->is_atom_bios)
365 ret = radeon_atombios_get_tmds_info(radeon_encoder, tmds);
367 ret = radeon_legacy_get_tmds_info_from_combios(radeon_encoder, tmds);
369 if (val == 1 || ret == false) {
370 radeon_legacy_get_tmds_info_from_table(radeon_encoder, tmds);
372 radeon_property_change_mode(&radeon_encoder->base);
378 static void radeon_fixup_lvds_native_mode(struct drm_encoder *encoder,
379 struct drm_connector *connector)
381 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
382 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
384 /* Try to get native mode details from EDID if necessary */
385 if (!native_mode->clock) {
386 struct drm_display_mode *t, *mode;
388 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
389 if (mode->hdisplay == native_mode->hdisplay &&
390 mode->vdisplay == native_mode->vdisplay) {
391 *native_mode = *mode;
392 drm_mode_set_crtcinfo(native_mode, CRTC_INTERLACE_HALVE_V);
393 DRM_INFO("Determined LVDS native mode details from EDID\n");
398 if (!native_mode->clock) {
399 DRM_INFO("No LVDS native mode details, disabling RMX\n");
400 radeon_encoder->rmx_type = RMX_OFF;
404 static int radeon_lvds_get_modes(struct drm_connector *connector)
406 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
407 struct drm_encoder *encoder;
409 struct drm_display_mode *mode;
411 if (radeon_connector->ddc_bus) {
412 ret = radeon_ddc_get_modes(radeon_connector);
414 encoder = radeon_best_single_encoder(connector);
416 radeon_fixup_lvds_native_mode(encoder, connector);
417 /* add scaled modes */
418 radeon_add_common_modes(encoder, connector);
424 encoder = radeon_best_single_encoder(connector);
428 /* we have no EDID modes */
429 mode = radeon_fp_native_mode(encoder);
432 drm_mode_probed_add(connector, mode);
433 /* add scaled modes */
434 radeon_add_common_modes(encoder, connector);
440 static int radeon_lvds_mode_valid(struct drm_connector *connector,
441 struct drm_display_mode *mode)
443 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
445 if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
449 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
450 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
452 /* AVIVO hardware supports downscaling modes larger than the panel
453 * to the panel size, but I'm not sure this is desirable.
455 if ((mode->hdisplay > native_mode->hdisplay) ||
456 (mode->vdisplay > native_mode->vdisplay))
459 /* if scaling is disabled, block non-native modes */
460 if (radeon_encoder->rmx_type == RMX_OFF) {
461 if ((mode->hdisplay != native_mode->hdisplay) ||
462 (mode->vdisplay != native_mode->vdisplay))
470 static enum drm_connector_status radeon_lvds_detect(struct drm_connector *connector)
472 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
473 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
474 enum drm_connector_status ret = connector_status_disconnected;
477 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
478 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
480 /* check if panel is valid */
481 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
482 ret = connector_status_connected;
486 /* check for edid as well */
487 if (radeon_connector->edid)
488 ret = connector_status_connected;
490 if (radeon_connector->ddc_bus) {
491 radeon_connector->edid = drm_get_edid(&radeon_connector->base,
492 &radeon_connector->ddc_bus->adapter);
493 if (radeon_connector->edid)
494 ret = connector_status_connected;
497 /* check acpi lid status ??? */
499 radeon_connector_update_scratch_regs(connector, ret);
503 static void radeon_connector_destroy(struct drm_connector *connector)
505 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
507 if (radeon_connector->ddc_bus)
508 radeon_i2c_destroy(radeon_connector->ddc_bus);
509 if (radeon_connector->edid)
510 kfree(radeon_connector->edid);
511 kfree(radeon_connector->con_priv);
512 drm_sysfs_connector_remove(connector);
513 drm_connector_cleanup(connector);
517 static int radeon_lvds_set_property(struct drm_connector *connector,
518 struct drm_property *property,
521 struct drm_device *dev = connector->dev;
522 struct radeon_encoder *radeon_encoder;
523 enum radeon_rmx_type rmx_type;
526 if (property != dev->mode_config.scaling_mode_property)
529 if (connector->encoder)
530 radeon_encoder = to_radeon_encoder(connector->encoder);
532 struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
533 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
537 case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
538 case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
539 case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
541 case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
543 if (radeon_encoder->rmx_type == rmx_type)
546 radeon_encoder->rmx_type = rmx_type;
548 radeon_property_change_mode(&radeon_encoder->base);
553 struct drm_connector_helper_funcs radeon_lvds_connector_helper_funcs = {
554 .get_modes = radeon_lvds_get_modes,
555 .mode_valid = radeon_lvds_mode_valid,
556 .best_encoder = radeon_best_single_encoder,
559 struct drm_connector_funcs radeon_lvds_connector_funcs = {
560 .dpms = drm_helper_connector_dpms,
561 .detect = radeon_lvds_detect,
562 .fill_modes = drm_helper_probe_single_connector_modes,
563 .destroy = radeon_connector_destroy,
564 .set_property = radeon_lvds_set_property,
567 static int radeon_vga_get_modes(struct drm_connector *connector)
569 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
572 ret = radeon_ddc_get_modes(radeon_connector);
577 static int radeon_vga_mode_valid(struct drm_connector *connector,
578 struct drm_display_mode *mode)
580 /* XXX check mode bandwidth */
581 /* XXX verify against max DAC output frequency */
585 static enum drm_connector_status radeon_vga_detect(struct drm_connector *connector)
587 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
588 struct drm_encoder *encoder;
589 struct drm_encoder_helper_funcs *encoder_funcs;
591 enum drm_connector_status ret = connector_status_disconnected;
593 encoder = radeon_best_single_encoder(connector);
595 ret = connector_status_disconnected;
597 if (radeon_connector->ddc_bus)
598 dret = radeon_ddc_probe(radeon_connector);
600 if (radeon_connector->edid) {
601 kfree(radeon_connector->edid);
602 radeon_connector->edid = NULL;
604 radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
606 if (!radeon_connector->edid) {
607 DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
608 drm_get_connector_name(connector));
609 ret = connector_status_connected;
611 radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
613 /* some oems have boards with separate digital and analog connectors
614 * with a shared ddc line (often vga + hdmi)
616 if (radeon_connector->use_digital && radeon_connector->shared_ddc) {
617 kfree(radeon_connector->edid);
618 radeon_connector->edid = NULL;
619 ret = connector_status_disconnected;
621 ret = connector_status_connected;
624 if (radeon_connector->dac_load_detect && encoder) {
625 encoder_funcs = encoder->helper_private;
626 ret = encoder_funcs->detect(encoder, connector);
630 if (ret == connector_status_connected)
631 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
632 radeon_connector_update_scratch_regs(connector, ret);
636 struct drm_connector_helper_funcs radeon_vga_connector_helper_funcs = {
637 .get_modes = radeon_vga_get_modes,
638 .mode_valid = radeon_vga_mode_valid,
639 .best_encoder = radeon_best_single_encoder,
642 struct drm_connector_funcs radeon_vga_connector_funcs = {
643 .dpms = drm_helper_connector_dpms,
644 .detect = radeon_vga_detect,
645 .fill_modes = drm_helper_probe_single_connector_modes,
646 .destroy = radeon_connector_destroy,
647 .set_property = radeon_connector_set_property,
650 static int radeon_tv_get_modes(struct drm_connector *connector)
652 struct drm_device *dev = connector->dev;
653 struct radeon_device *rdev = dev->dev_private;
654 struct drm_display_mode *tv_mode;
655 struct drm_encoder *encoder;
657 encoder = radeon_best_single_encoder(connector);
661 /* avivo chips can scale any mode */
662 if (rdev->family >= CHIP_RS600)
663 /* add scaled modes */
664 radeon_add_common_modes(encoder, connector);
666 /* only 800x600 is supported right now on pre-avivo chips */
667 tv_mode = drm_cvt_mode(dev, 800, 600, 60, false, false, false);
668 tv_mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
669 drm_mode_probed_add(connector, tv_mode);
674 static int radeon_tv_mode_valid(struct drm_connector *connector,
675 struct drm_display_mode *mode)
677 if ((mode->hdisplay > 1024) || (mode->vdisplay > 768))
678 return MODE_CLOCK_RANGE;
682 static enum drm_connector_status radeon_tv_detect(struct drm_connector *connector)
684 struct drm_encoder *encoder;
685 struct drm_encoder_helper_funcs *encoder_funcs;
686 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
687 enum drm_connector_status ret = connector_status_disconnected;
689 if (!radeon_connector->dac_load_detect)
692 encoder = radeon_best_single_encoder(connector);
694 ret = connector_status_disconnected;
696 encoder_funcs = encoder->helper_private;
697 ret = encoder_funcs->detect(encoder, connector);
699 if (ret == connector_status_connected)
700 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, false);
701 radeon_connector_update_scratch_regs(connector, ret);
705 struct drm_connector_helper_funcs radeon_tv_connector_helper_funcs = {
706 .get_modes = radeon_tv_get_modes,
707 .mode_valid = radeon_tv_mode_valid,
708 .best_encoder = radeon_best_single_encoder,
711 struct drm_connector_funcs radeon_tv_connector_funcs = {
712 .dpms = drm_helper_connector_dpms,
713 .detect = radeon_tv_detect,
714 .fill_modes = drm_helper_probe_single_connector_modes,
715 .destroy = radeon_connector_destroy,
716 .set_property = radeon_connector_set_property,
719 static int radeon_dvi_get_modes(struct drm_connector *connector)
721 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
724 ret = radeon_ddc_get_modes(radeon_connector);
730 * Do a DDC probe, if DDC probe passes, get the full EDID so
731 * we can do analog/digital monitor detection at this point.
732 * If the monitor is an analog monitor or we got no DDC,
733 * we need to find the DAC encoder object for this connector.
734 * If we got no DDC, we do load detection on the DAC encoder object.
735 * If we got analog DDC or load detection passes on the DAC encoder
736 * we have to check if this analog encoder is shared with anyone else (TV)
737 * if its shared we have to set the other connector to disconnected.
739 static enum drm_connector_status radeon_dvi_detect(struct drm_connector *connector)
741 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
742 struct drm_encoder *encoder = NULL;
743 struct drm_encoder_helper_funcs *encoder_funcs;
744 struct drm_mode_object *obj;
746 enum drm_connector_status ret = connector_status_disconnected;
749 if (radeon_connector->ddc_bus)
750 dret = radeon_ddc_probe(radeon_connector);
752 if (radeon_connector->edid) {
753 kfree(radeon_connector->edid);
754 radeon_connector->edid = NULL;
756 radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
758 if (!radeon_connector->edid) {
759 DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
760 drm_get_connector_name(connector));
762 radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
764 /* some oems have boards with separate digital and analog connectors
765 * with a shared ddc line (often vga + hdmi)
767 if ((!radeon_connector->use_digital) && radeon_connector->shared_ddc) {
768 kfree(radeon_connector->edid);
769 radeon_connector->edid = NULL;
770 ret = connector_status_disconnected;
772 ret = connector_status_connected;
774 /* multiple connectors on the same encoder with the same ddc line
775 * This tends to be HDMI and DVI on the same encoder with the
776 * same ddc line. If the edid says HDMI, consider the HDMI port
777 * connected and the DVI port disconnected. If the edid doesn't
778 * say HDMI, vice versa.
780 if (radeon_connector->shared_ddc && (ret == connector_status_connected)) {
781 struct drm_device *dev = connector->dev;
782 struct drm_connector *list_connector;
783 struct radeon_connector *list_radeon_connector;
784 list_for_each_entry(list_connector, &dev->mode_config.connector_list, head) {
785 if (connector == list_connector)
787 list_radeon_connector = to_radeon_connector(list_connector);
788 if (list_radeon_connector->shared_ddc &&
789 (list_radeon_connector->ddc_bus->rec.i2c_id ==
790 radeon_connector->ddc_bus->rec.i2c_id)) {
791 if (drm_detect_hdmi_monitor(radeon_connector->edid)) {
792 if (connector->connector_type == DRM_MODE_CONNECTOR_DVID) {
793 kfree(radeon_connector->edid);
794 radeon_connector->edid = NULL;
795 ret = connector_status_disconnected;
798 if ((connector->connector_type == DRM_MODE_CONNECTOR_HDMIA) ||
799 (connector->connector_type == DRM_MODE_CONNECTOR_HDMIB)) {
800 kfree(radeon_connector->edid);
801 radeon_connector->edid = NULL;
802 ret = connector_status_disconnected;
811 if ((ret == connector_status_connected) && (radeon_connector->use_digital == true))
814 /* find analog encoder */
815 if (radeon_connector->dac_load_detect) {
816 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
817 if (connector->encoder_ids[i] == 0)
820 obj = drm_mode_object_find(connector->dev,
821 connector->encoder_ids[i],
822 DRM_MODE_OBJECT_ENCODER);
826 encoder = obj_to_encoder(obj);
828 encoder_funcs = encoder->helper_private;
829 if (encoder_funcs->detect) {
830 if (ret != connector_status_connected) {
831 ret = encoder_funcs->detect(encoder, connector);
832 if (ret == connector_status_connected) {
833 radeon_connector->use_digital = false;
841 if ((ret == connector_status_connected) && (radeon_connector->use_digital == false) &&
843 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
847 /* updated in get modes as well since we need to know if it's analog or digital */
848 radeon_connector_update_scratch_regs(connector, ret);
852 /* okay need to be smart in here about which encoder to pick */
853 struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector)
855 int enc_id = connector->encoder_ids[0];
856 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
857 struct drm_mode_object *obj;
858 struct drm_encoder *encoder;
860 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
861 if (connector->encoder_ids[i] == 0)
864 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
868 encoder = obj_to_encoder(obj);
870 if (radeon_connector->use_digital == true) {
871 if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)
874 if (encoder->encoder_type == DRM_MODE_ENCODER_DAC ||
875 encoder->encoder_type == DRM_MODE_ENCODER_TVDAC)
880 /* see if we have a default encoder TODO */
882 /* then check use digitial */
883 /* pick the first one */
885 obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER);
888 encoder = obj_to_encoder(obj);
894 static void radeon_dvi_force(struct drm_connector *connector)
896 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
897 if (connector->force == DRM_FORCE_ON)
898 radeon_connector->use_digital = false;
899 if (connector->force == DRM_FORCE_ON_DIGITAL)
900 radeon_connector->use_digital = true;
903 static int radeon_dvi_mode_valid(struct drm_connector *connector,
904 struct drm_display_mode *mode)
906 struct drm_device *dev = connector->dev;
907 struct radeon_device *rdev = dev->dev_private;
908 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
910 /* XXX check mode bandwidth */
912 /* clocks over 135 MHz have heat issues with DVI on RV100 */
913 if (radeon_connector->use_digital &&
914 (rdev->family == CHIP_RV100) &&
915 (mode->clock > 135000))
916 return MODE_CLOCK_HIGH;
918 if (radeon_connector->use_digital && (mode->clock > 165000)) {
919 if ((radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) ||
920 (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) ||
921 (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B))
924 return MODE_CLOCK_HIGH;
929 struct drm_connector_helper_funcs radeon_dvi_connector_helper_funcs = {
930 .get_modes = radeon_dvi_get_modes,
931 .mode_valid = radeon_dvi_mode_valid,
932 .best_encoder = radeon_dvi_encoder,
935 struct drm_connector_funcs radeon_dvi_connector_funcs = {
936 .dpms = drm_helper_connector_dpms,
937 .detect = radeon_dvi_detect,
938 .fill_modes = drm_helper_probe_single_connector_modes,
939 .set_property = radeon_connector_set_property,
940 .destroy = radeon_connector_destroy,
941 .force = radeon_dvi_force,
944 static void radeon_dp_connector_destroy(struct drm_connector *connector)
946 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
947 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
949 if (radeon_connector->ddc_bus)
950 radeon_i2c_destroy(radeon_connector->ddc_bus);
951 if (radeon_connector->edid)
952 kfree(radeon_connector->edid);
953 if (radeon_dig_connector->dp_i2c_bus)
954 radeon_i2c_destroy(radeon_dig_connector->dp_i2c_bus);
955 kfree(radeon_connector->con_priv);
956 drm_sysfs_connector_remove(connector);
957 drm_connector_cleanup(connector);
961 static int radeon_dp_get_modes(struct drm_connector *connector)
963 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
966 ret = radeon_ddc_get_modes(radeon_connector);
970 static enum drm_connector_status radeon_dp_detect(struct drm_connector *connector)
972 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
973 enum drm_connector_status ret = connector_status_disconnected;
974 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
977 if (radeon_connector->edid) {
978 kfree(radeon_connector->edid);
979 radeon_connector->edid = NULL;
982 sink_type = radeon_dp_getsinktype(radeon_connector);
983 if ((sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
984 (sink_type == CONNECTOR_OBJECT_ID_eDP)) {
985 if (radeon_dp_getdpcd(radeon_connector)) {
986 radeon_dig_connector->dp_sink_type = sink_type;
987 ret = connector_status_connected;
990 if (radeon_ddc_probe(radeon_connector)) {
991 radeon_dig_connector->dp_sink_type = sink_type;
992 ret = connector_status_connected;
999 static int radeon_dp_mode_valid(struct drm_connector *connector,
1000 struct drm_display_mode *mode)
1002 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1003 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1005 /* XXX check mode bandwidth */
1007 if ((radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
1008 (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP))
1009 return radeon_dp_mode_valid_helper(radeon_connector, mode);
1014 struct drm_connector_helper_funcs radeon_dp_connector_helper_funcs = {
1015 .get_modes = radeon_dp_get_modes,
1016 .mode_valid = radeon_dp_mode_valid,
1017 .best_encoder = radeon_dvi_encoder,
1020 struct drm_connector_funcs radeon_dp_connector_funcs = {
1021 .dpms = drm_helper_connector_dpms,
1022 .detect = radeon_dp_detect,
1023 .fill_modes = drm_helper_probe_single_connector_modes,
1024 .set_property = radeon_connector_set_property,
1025 .destroy = radeon_dp_connector_destroy,
1026 .force = radeon_dvi_force,
1030 radeon_add_atom_connector(struct drm_device *dev,
1031 uint32_t connector_id,
1032 uint32_t supported_device,
1034 struct radeon_i2c_bus_rec *i2c_bus,
1036 uint32_t igp_lane_info,
1037 uint16_t connector_object_id,
1038 struct radeon_hpd *hpd)
1040 struct radeon_device *rdev = dev->dev_private;
1041 struct drm_connector *connector;
1042 struct radeon_connector *radeon_connector;
1043 struct radeon_connector_atom_dig *radeon_dig_connector;
1044 uint32_t subpixel_order = SubPixelNone;
1045 bool shared_ddc = false;
1047 /* fixme - tv/cv/din */
1048 if (connector_type == DRM_MODE_CONNECTOR_Unknown)
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;
1058 if (radeon_connector->ddc_bus && i2c_bus->valid) {
1059 if (radeon_connector->ddc_bus->rec.i2c_id == i2c_bus->i2c_id) {
1060 radeon_connector->shared_ddc = true;
1066 radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1067 if (!radeon_connector)
1070 connector = &radeon_connector->base;
1072 radeon_connector->connector_id = connector_id;
1073 radeon_connector->devices = supported_device;
1074 radeon_connector->shared_ddc = shared_ddc;
1075 radeon_connector->connector_object_id = connector_object_id;
1076 radeon_connector->hpd = *hpd;
1077 switch (connector_type) {
1078 case DRM_MODE_CONNECTOR_VGA:
1079 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1080 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1081 if (i2c_bus->valid) {
1082 radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "VGA");
1083 if (!radeon_connector->ddc_bus)
1086 radeon_connector->dac_load_detect = true;
1087 drm_connector_attach_property(&radeon_connector->base,
1088 rdev->mode_info.load_detect_property,
1090 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1092 case DRM_MODE_CONNECTOR_DVIA:
1093 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1094 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1095 if (i2c_bus->valid) {
1096 radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "DVI");
1097 if (!radeon_connector->ddc_bus)
1100 radeon_connector->dac_load_detect = true;
1101 drm_connector_attach_property(&radeon_connector->base,
1102 rdev->mode_info.load_detect_property,
1105 case DRM_MODE_CONNECTOR_DVII:
1106 case DRM_MODE_CONNECTOR_DVID:
1107 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1108 if (!radeon_dig_connector)
1110 radeon_dig_connector->linkb = linkb;
1111 radeon_dig_connector->igp_lane_info = igp_lane_info;
1112 radeon_connector->con_priv = radeon_dig_connector;
1113 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1114 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1115 if (i2c_bus->valid) {
1116 radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "DVI");
1117 if (!radeon_connector->ddc_bus)
1120 subpixel_order = SubPixelHorizontalRGB;
1121 drm_connector_attach_property(&radeon_connector->base,
1122 rdev->mode_info.coherent_mode_property,
1124 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1125 radeon_connector->dac_load_detect = true;
1126 drm_connector_attach_property(&radeon_connector->base,
1127 rdev->mode_info.load_detect_property,
1131 case DRM_MODE_CONNECTOR_HDMIA:
1132 case DRM_MODE_CONNECTOR_HDMIB:
1133 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1134 if (!radeon_dig_connector)
1136 radeon_dig_connector->linkb = linkb;
1137 radeon_dig_connector->igp_lane_info = igp_lane_info;
1138 radeon_connector->con_priv = radeon_dig_connector;
1139 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1140 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1141 if (i2c_bus->valid) {
1142 radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "HDMI");
1143 if (!radeon_connector->ddc_bus)
1146 drm_connector_attach_property(&radeon_connector->base,
1147 rdev->mode_info.coherent_mode_property,
1149 subpixel_order = SubPixelHorizontalRGB;
1151 case DRM_MODE_CONNECTOR_DisplayPort:
1152 case DRM_MODE_CONNECTOR_eDP:
1153 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1154 if (!radeon_dig_connector)
1156 radeon_dig_connector->linkb = linkb;
1157 radeon_dig_connector->igp_lane_info = igp_lane_info;
1158 radeon_connector->con_priv = radeon_dig_connector;
1159 drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
1160 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
1161 if (i2c_bus->valid) {
1162 /* add DP i2c bus */
1163 if (connector_type == DRM_MODE_CONNECTOR_eDP)
1164 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "eDP-auxch");
1166 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "DP-auxch");
1167 if (!radeon_dig_connector->dp_i2c_bus)
1169 if (connector_type == DRM_MODE_CONNECTOR_eDP)
1170 radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "eDP");
1172 radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "DP");
1173 if (!radeon_connector->ddc_bus)
1176 subpixel_order = SubPixelHorizontalRGB;
1177 drm_connector_attach_property(&radeon_connector->base,
1178 rdev->mode_info.coherent_mode_property,
1181 case DRM_MODE_CONNECTOR_SVIDEO:
1182 case DRM_MODE_CONNECTOR_Composite:
1183 case DRM_MODE_CONNECTOR_9PinDIN:
1184 if (radeon_tv == 1) {
1185 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
1186 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
1187 radeon_connector->dac_load_detect = true;
1188 drm_connector_attach_property(&radeon_connector->base,
1189 rdev->mode_info.load_detect_property,
1191 drm_connector_attach_property(&radeon_connector->base,
1192 rdev->mode_info.tv_std_property,
1193 radeon_atombios_get_tv_info(rdev));
1196 case DRM_MODE_CONNECTOR_LVDS:
1197 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1198 if (!radeon_dig_connector)
1200 radeon_dig_connector->linkb = linkb;
1201 radeon_dig_connector->igp_lane_info = igp_lane_info;
1202 radeon_connector->con_priv = radeon_dig_connector;
1203 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
1204 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
1205 if (i2c_bus->valid) {
1206 radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "LVDS");
1207 if (!radeon_connector->ddc_bus)
1210 drm_connector_attach_property(&radeon_connector->base,
1211 dev->mode_config.scaling_mode_property,
1212 DRM_MODE_SCALE_FULLSCREEN);
1213 subpixel_order = SubPixelHorizontalRGB;
1217 if (hpd->hpd == RADEON_HPD_NONE) {
1219 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1221 connector->polled = DRM_CONNECTOR_POLL_HPD;
1223 connector->display_info.subpixel_order = subpixel_order;
1224 drm_sysfs_connector_add(connector);
1228 if (radeon_connector->ddc_bus)
1229 radeon_i2c_destroy(radeon_connector->ddc_bus);
1230 drm_connector_cleanup(connector);
1235 radeon_add_legacy_connector(struct drm_device *dev,
1236 uint32_t connector_id,
1237 uint32_t supported_device,
1239 struct radeon_i2c_bus_rec *i2c_bus,
1240 uint16_t connector_object_id,
1241 struct radeon_hpd *hpd)
1243 struct radeon_device *rdev = dev->dev_private;
1244 struct drm_connector *connector;
1245 struct radeon_connector *radeon_connector;
1246 uint32_t subpixel_order = SubPixelNone;
1248 /* fixme - tv/cv/din */
1249 if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1252 /* see if we already added it */
1253 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1254 radeon_connector = to_radeon_connector(connector);
1255 if (radeon_connector->connector_id == connector_id) {
1256 radeon_connector->devices |= supported_device;
1261 radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1262 if (!radeon_connector)
1265 connector = &radeon_connector->base;
1267 radeon_connector->connector_id = connector_id;
1268 radeon_connector->devices = supported_device;
1269 radeon_connector->connector_object_id = connector_object_id;
1270 radeon_connector->hpd = *hpd;
1271 switch (connector_type) {
1272 case DRM_MODE_CONNECTOR_VGA:
1273 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1274 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1275 if (i2c_bus->valid) {
1276 radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "VGA");
1277 if (!radeon_connector->ddc_bus)
1280 radeon_connector->dac_load_detect = true;
1281 drm_connector_attach_property(&radeon_connector->base,
1282 rdev->mode_info.load_detect_property,
1284 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1286 case DRM_MODE_CONNECTOR_DVIA:
1287 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1288 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1289 if (i2c_bus->valid) {
1290 radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "DVI");
1291 if (!radeon_connector->ddc_bus)
1294 radeon_connector->dac_load_detect = true;
1295 drm_connector_attach_property(&radeon_connector->base,
1296 rdev->mode_info.load_detect_property,
1299 case DRM_MODE_CONNECTOR_DVII:
1300 case DRM_MODE_CONNECTOR_DVID:
1301 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1302 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1303 if (i2c_bus->valid) {
1304 radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "DVI");
1305 if (!radeon_connector->ddc_bus)
1308 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1309 radeon_connector->dac_load_detect = true;
1310 drm_connector_attach_property(&radeon_connector->base,
1311 rdev->mode_info.load_detect_property,
1314 subpixel_order = SubPixelHorizontalRGB;
1316 case DRM_MODE_CONNECTOR_SVIDEO:
1317 case DRM_MODE_CONNECTOR_Composite:
1318 case DRM_MODE_CONNECTOR_9PinDIN:
1319 if (radeon_tv == 1) {
1320 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
1321 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
1322 radeon_connector->dac_load_detect = true;
1323 /* RS400,RC410,RS480 chipset seems to report a lot
1324 * of false positive on load detect, we haven't yet
1325 * found a way to make load detect reliable on those
1326 * chipset, thus just disable it for TV.
1328 if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480)
1329 radeon_connector->dac_load_detect = false;
1330 drm_connector_attach_property(&radeon_connector->base,
1331 rdev->mode_info.load_detect_property,
1332 radeon_connector->dac_load_detect);
1333 drm_connector_attach_property(&radeon_connector->base,
1334 rdev->mode_info.tv_std_property,
1335 radeon_combios_get_tv_info(rdev));
1338 case DRM_MODE_CONNECTOR_LVDS:
1339 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
1340 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
1341 if (i2c_bus->valid) {
1342 radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "LVDS");
1343 if (!radeon_connector->ddc_bus)
1346 drm_connector_attach_property(&radeon_connector->base,
1347 dev->mode_config.scaling_mode_property,
1348 DRM_MODE_SCALE_FULLSCREEN);
1349 subpixel_order = SubPixelHorizontalRGB;
1353 if (hpd->hpd == RADEON_HPD_NONE) {
1355 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1357 connector->polled = DRM_CONNECTOR_POLL_HPD;
1358 connector->display_info.subpixel_order = subpixel_order;
1359 drm_sysfs_connector_add(connector);
1363 if (radeon_connector->ddc_bus)
1364 radeon_i2c_destroy(radeon_connector->ddc_bus);
1365 drm_connector_cleanup(connector);