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;
167 list_for_each_entry(conflict, &dev->mode_config.connector_list, head) {
168 if (conflict == connector)
171 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
172 if (conflict->encoder_ids[i] == 0)
175 /* if the IDs match */
176 if (conflict->encoder_ids[i] == encoder->base.id) {
177 if (conflict->status != connector_status_connected)
180 if (priority == true) {
181 DRM_INFO("1: conflicting encoders switching off %s\n", drm_get_connector_name(conflict));
182 DRM_INFO("in favor of %s\n", drm_get_connector_name(connector));
183 conflict->status = connector_status_disconnected;
184 radeon_connector_update_scratch_regs(conflict, connector_status_disconnected);
186 DRM_INFO("2: conflicting encoders switching off %s\n", drm_get_connector_name(connector));
187 DRM_INFO("in favor of %s\n", drm_get_connector_name(conflict));
188 current_status = connector_status_disconnected;
194 return current_status;
198 static struct drm_display_mode *radeon_fp_native_mode(struct drm_encoder *encoder)
200 struct drm_device *dev = encoder->dev;
201 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
202 struct drm_display_mode *mode = NULL;
203 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
205 if (native_mode->hdisplay != 0 &&
206 native_mode->vdisplay != 0 &&
207 native_mode->clock != 0) {
208 mode = drm_mode_duplicate(dev, native_mode);
209 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
210 drm_mode_set_name(mode);
212 DRM_DEBUG("Adding native panel mode %s\n", mode->name);
213 } else if (native_mode->hdisplay != 0 &&
214 native_mode->vdisplay != 0) {
215 /* mac laptops without an edid */
216 /* Note that this is not necessarily the exact panel mode,
217 * but an approximation based on the cvt formula. For these
218 * systems we should ideally read the mode info out of the
219 * registers or add a mode table, but this works and is much
222 mode = drm_cvt_mode(dev, native_mode->hdisplay, native_mode->vdisplay, 60, true, false, false);
223 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
224 DRM_DEBUG("Adding cvt approximation of native panel mode %s\n", mode->name);
229 static void radeon_add_common_modes(struct drm_encoder *encoder, struct drm_connector *connector)
231 struct drm_device *dev = encoder->dev;
232 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
233 struct drm_display_mode *mode = NULL;
234 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
239 } common_modes[17] = {
259 for (i = 0; i < 17; i++) {
260 if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) {
261 if (common_modes[i].w > 1024 ||
262 common_modes[i].h > 768)
265 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
266 if (common_modes[i].w > native_mode->hdisplay ||
267 common_modes[i].h > native_mode->vdisplay ||
268 (common_modes[i].w == native_mode->hdisplay &&
269 common_modes[i].h == native_mode->vdisplay))
272 if (common_modes[i].w < 320 || common_modes[i].h < 200)
275 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 60, false, false, false);
276 drm_mode_probed_add(connector, mode);
280 int radeon_connector_set_property(struct drm_connector *connector, struct drm_property *property,
283 struct drm_device *dev = connector->dev;
284 struct radeon_device *rdev = dev->dev_private;
285 struct drm_encoder *encoder;
286 struct radeon_encoder *radeon_encoder;
288 if (property == rdev->mode_info.coherent_mode_property) {
289 struct radeon_encoder_atom_dig *dig;
291 /* need to find digital encoder on connector */
292 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
296 radeon_encoder = to_radeon_encoder(encoder);
298 if (!radeon_encoder->enc_priv)
301 dig = radeon_encoder->enc_priv;
302 dig->coherent_mode = val ? true : false;
303 radeon_property_change_mode(&radeon_encoder->base);
306 if (property == rdev->mode_info.tv_std_property) {
307 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TVDAC);
309 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_DAC);
315 radeon_encoder = to_radeon_encoder(encoder);
316 if (!radeon_encoder->enc_priv)
318 if (rdev->is_atom_bios) {
319 struct radeon_encoder_atom_dac *dac_int;
320 dac_int = radeon_encoder->enc_priv;
321 dac_int->tv_std = val;
323 struct radeon_encoder_tv_dac *dac_int;
324 dac_int = radeon_encoder->enc_priv;
325 dac_int->tv_std = val;
327 radeon_property_change_mode(&radeon_encoder->base);
330 if (property == rdev->mode_info.load_detect_property) {
331 struct radeon_connector *radeon_connector =
332 to_radeon_connector(connector);
335 radeon_connector->dac_load_detect = false;
337 radeon_connector->dac_load_detect = true;
340 if (property == rdev->mode_info.tmds_pll_property) {
341 struct radeon_encoder_int_tmds *tmds = NULL;
343 /* need to find digital encoder on connector */
344 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
348 radeon_encoder = to_radeon_encoder(encoder);
350 tmds = radeon_encoder->enc_priv;
355 if (rdev->is_atom_bios)
356 ret = radeon_atombios_get_tmds_info(radeon_encoder, tmds);
358 ret = radeon_legacy_get_tmds_info_from_combios(radeon_encoder, tmds);
360 if (val == 1 || ret == false) {
361 radeon_legacy_get_tmds_info_from_table(radeon_encoder, tmds);
363 radeon_property_change_mode(&radeon_encoder->base);
369 static void radeon_fixup_lvds_native_mode(struct drm_encoder *encoder,
370 struct drm_connector *connector)
372 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
373 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
375 /* Try to get native mode details from EDID if necessary */
376 if (!native_mode->clock) {
377 struct drm_display_mode *t, *mode;
379 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
380 if (mode->hdisplay == native_mode->hdisplay &&
381 mode->vdisplay == native_mode->vdisplay) {
382 *native_mode = *mode;
383 drm_mode_set_crtcinfo(native_mode, CRTC_INTERLACE_HALVE_V);
384 DRM_INFO("Determined LVDS native mode details from EDID\n");
389 if (!native_mode->clock) {
390 DRM_INFO("No LVDS native mode details, disabling RMX\n");
391 radeon_encoder->rmx_type = RMX_OFF;
395 static int radeon_lvds_get_modes(struct drm_connector *connector)
397 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
398 struct drm_encoder *encoder;
400 struct drm_display_mode *mode;
402 if (radeon_connector->ddc_bus) {
403 ret = radeon_ddc_get_modes(radeon_connector);
405 encoder = radeon_best_single_encoder(connector);
407 radeon_fixup_lvds_native_mode(encoder, connector);
408 /* add scaled modes */
409 radeon_add_common_modes(encoder, connector);
415 encoder = radeon_best_single_encoder(connector);
419 /* we have no EDID modes */
420 mode = radeon_fp_native_mode(encoder);
423 drm_mode_probed_add(connector, mode);
424 /* add scaled modes */
425 radeon_add_common_modes(encoder, connector);
431 static int radeon_lvds_mode_valid(struct drm_connector *connector,
432 struct drm_display_mode *mode)
434 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
436 if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
440 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
441 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
443 /* AVIVO hardware supports downscaling modes larger than the panel
444 * to the panel size, but I'm not sure this is desirable.
446 if ((mode->hdisplay > native_mode->hdisplay) ||
447 (mode->vdisplay > native_mode->vdisplay))
450 /* if scaling is disabled, block non-native modes */
451 if (radeon_encoder->rmx_type == RMX_OFF) {
452 if ((mode->hdisplay != native_mode->hdisplay) ||
453 (mode->vdisplay != native_mode->vdisplay))
461 static enum drm_connector_status radeon_lvds_detect(struct drm_connector *connector)
463 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
464 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
465 enum drm_connector_status ret = connector_status_disconnected;
468 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
469 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
471 /* check if panel is valid */
472 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
473 ret = connector_status_connected;
477 /* check for edid as well */
478 if (radeon_connector->edid)
479 ret = connector_status_connected;
481 if (radeon_connector->ddc_bus) {
482 radeon_connector->edid = drm_get_edid(&radeon_connector->base,
483 &radeon_connector->ddc_bus->adapter);
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 dret = radeon_ddc_probe(radeon_connector);
590 if (radeon_connector->edid) {
591 kfree(radeon_connector->edid);
592 radeon_connector->edid = NULL;
594 radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
596 if (!radeon_connector->edid) {
597 DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
598 drm_get_connector_name(connector));
599 ret = connector_status_connected;
601 radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
603 /* some oems have boards with separate digital and analog connectors
604 * with a shared ddc line (often vga + hdmi)
606 if (radeon_connector->use_digital && radeon_connector->shared_ddc) {
607 kfree(radeon_connector->edid);
608 radeon_connector->edid = NULL;
609 ret = connector_status_disconnected;
611 ret = connector_status_connected;
614 if (radeon_connector->dac_load_detect && encoder) {
615 encoder_funcs = encoder->helper_private;
616 ret = encoder_funcs->detect(encoder, connector);
620 if (ret == connector_status_connected)
621 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
622 radeon_connector_update_scratch_regs(connector, ret);
626 struct drm_connector_helper_funcs radeon_vga_connector_helper_funcs = {
627 .get_modes = radeon_vga_get_modes,
628 .mode_valid = radeon_vga_mode_valid,
629 .best_encoder = radeon_best_single_encoder,
632 struct drm_connector_funcs radeon_vga_connector_funcs = {
633 .dpms = drm_helper_connector_dpms,
634 .detect = radeon_vga_detect,
635 .fill_modes = drm_helper_probe_single_connector_modes,
636 .destroy = radeon_connector_destroy,
637 .set_property = radeon_connector_set_property,
640 static int radeon_tv_get_modes(struct drm_connector *connector)
642 struct drm_device *dev = connector->dev;
643 struct radeon_device *rdev = dev->dev_private;
644 struct drm_display_mode *tv_mode;
645 struct drm_encoder *encoder;
647 encoder = radeon_best_single_encoder(connector);
651 /* avivo chips can scale any mode */
652 if (rdev->family >= CHIP_RS600)
653 /* add scaled modes */
654 radeon_add_common_modes(encoder, connector);
656 /* only 800x600 is supported right now on pre-avivo chips */
657 tv_mode = drm_cvt_mode(dev, 800, 600, 60, false, false, false);
658 tv_mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
659 drm_mode_probed_add(connector, tv_mode);
664 static int radeon_tv_mode_valid(struct drm_connector *connector,
665 struct drm_display_mode *mode)
667 if ((mode->hdisplay > 1024) || (mode->vdisplay > 768))
668 return MODE_CLOCK_RANGE;
672 static enum drm_connector_status radeon_tv_detect(struct drm_connector *connector)
674 struct drm_encoder *encoder;
675 struct drm_encoder_helper_funcs *encoder_funcs;
676 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
677 enum drm_connector_status ret = connector_status_disconnected;
679 if (!radeon_connector->dac_load_detect)
682 encoder = radeon_best_single_encoder(connector);
684 ret = connector_status_disconnected;
686 encoder_funcs = encoder->helper_private;
687 ret = encoder_funcs->detect(encoder, connector);
689 if (ret == connector_status_connected)
690 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, false);
691 radeon_connector_update_scratch_regs(connector, ret);
695 struct drm_connector_helper_funcs radeon_tv_connector_helper_funcs = {
696 .get_modes = radeon_tv_get_modes,
697 .mode_valid = radeon_tv_mode_valid,
698 .best_encoder = radeon_best_single_encoder,
701 struct drm_connector_funcs radeon_tv_connector_funcs = {
702 .dpms = drm_helper_connector_dpms,
703 .detect = radeon_tv_detect,
704 .fill_modes = drm_helper_probe_single_connector_modes,
705 .destroy = radeon_connector_destroy,
706 .set_property = radeon_connector_set_property,
709 static int radeon_dvi_get_modes(struct drm_connector *connector)
711 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
714 ret = radeon_ddc_get_modes(radeon_connector);
720 * Do a DDC probe, if DDC probe passes, get the full EDID so
721 * we can do analog/digital monitor detection at this point.
722 * If the monitor is an analog monitor or we got no DDC,
723 * we need to find the DAC encoder object for this connector.
724 * If we got no DDC, we do load detection on the DAC encoder object.
725 * If we got analog DDC or load detection passes on the DAC encoder
726 * we have to check if this analog encoder is shared with anyone else (TV)
727 * if its shared we have to set the other connector to disconnected.
729 static enum drm_connector_status radeon_dvi_detect(struct drm_connector *connector)
731 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
732 struct drm_encoder *encoder = NULL;
733 struct drm_encoder_helper_funcs *encoder_funcs;
734 struct drm_mode_object *obj;
736 enum drm_connector_status ret = connector_status_disconnected;
739 dret = radeon_ddc_probe(radeon_connector);
741 if (radeon_connector->edid) {
742 kfree(radeon_connector->edid);
743 radeon_connector->edid = NULL;
745 radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
747 if (!radeon_connector->edid) {
748 DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
749 drm_get_connector_name(connector));
751 radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
753 /* some oems have boards with separate digital and analog connectors
754 * with a shared ddc line (often vga + hdmi)
756 if ((!radeon_connector->use_digital) && radeon_connector->shared_ddc) {
757 kfree(radeon_connector->edid);
758 radeon_connector->edid = NULL;
759 ret = connector_status_disconnected;
761 ret = connector_status_connected;
763 /* multiple connectors on the same encoder with the same ddc line
764 * This tends to be HDMI and DVI on the same encoder with the
765 * same ddc line. If the edid says HDMI, consider the HDMI port
766 * connected and the DVI port disconnected. If the edid doesn't
767 * say HDMI, vice versa.
769 if (radeon_connector->shared_ddc && connector_status_connected) {
770 struct drm_device *dev = connector->dev;
771 struct drm_connector *list_connector;
772 struct radeon_connector *list_radeon_connector;
773 list_for_each_entry(list_connector, &dev->mode_config.connector_list, head) {
774 if (connector == list_connector)
776 list_radeon_connector = to_radeon_connector(list_connector);
777 if (radeon_connector->devices == list_radeon_connector->devices) {
778 if (drm_detect_hdmi_monitor(radeon_connector->edid)) {
779 if (connector->connector_type == DRM_MODE_CONNECTOR_DVID) {
780 kfree(radeon_connector->edid);
781 radeon_connector->edid = NULL;
782 ret = connector_status_disconnected;
785 if ((connector->connector_type == DRM_MODE_CONNECTOR_HDMIA) ||
786 (connector->connector_type == DRM_MODE_CONNECTOR_HDMIB)) {
787 kfree(radeon_connector->edid);
788 radeon_connector->edid = NULL;
789 ret = connector_status_disconnected;
798 if ((ret == connector_status_connected) && (radeon_connector->use_digital == true))
801 /* find analog encoder */
802 if (radeon_connector->dac_load_detect) {
803 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
804 if (connector->encoder_ids[i] == 0)
807 obj = drm_mode_object_find(connector->dev,
808 connector->encoder_ids[i],
809 DRM_MODE_OBJECT_ENCODER);
813 encoder = obj_to_encoder(obj);
815 encoder_funcs = encoder->helper_private;
816 if (encoder_funcs->detect) {
817 if (ret != connector_status_connected) {
818 ret = encoder_funcs->detect(encoder, connector);
819 if (ret == connector_status_connected) {
820 radeon_connector->use_digital = false;
828 if ((ret == connector_status_connected) && (radeon_connector->use_digital == false) &&
830 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
834 /* updated in get modes as well since we need to know if it's analog or digital */
835 radeon_connector_update_scratch_regs(connector, ret);
839 /* okay need to be smart in here about which encoder to pick */
840 struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector)
842 int enc_id = connector->encoder_ids[0];
843 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
844 struct drm_mode_object *obj;
845 struct drm_encoder *encoder;
847 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
848 if (connector->encoder_ids[i] == 0)
851 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
855 encoder = obj_to_encoder(obj);
857 if (radeon_connector->use_digital == true) {
858 if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)
861 if (encoder->encoder_type == DRM_MODE_ENCODER_DAC ||
862 encoder->encoder_type == DRM_MODE_ENCODER_TVDAC)
867 /* see if we have a default encoder TODO */
869 /* then check use digitial */
870 /* pick the first one */
872 obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER);
875 encoder = obj_to_encoder(obj);
881 static void radeon_dvi_force(struct drm_connector *connector)
883 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
884 if (connector->force == DRM_FORCE_ON)
885 radeon_connector->use_digital = false;
886 if (connector->force == DRM_FORCE_ON_DIGITAL)
887 radeon_connector->use_digital = true;
890 static int radeon_dvi_mode_valid(struct drm_connector *connector,
891 struct drm_display_mode *mode)
893 struct drm_device *dev = connector->dev;
894 struct radeon_device *rdev = dev->dev_private;
895 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
897 /* XXX check mode bandwidth */
899 /* clocks over 135 MHz have heat issues with DVI on RV100 */
900 if (radeon_connector->use_digital &&
901 (rdev->family == CHIP_RV100) &&
902 (mode->clock > 135000))
903 return MODE_CLOCK_HIGH;
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_dp(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 (sink_type == CONNECTOR_OBJECT_ID_eDP)) {
972 if (radeon_dp_getdpcd(radeon_connector)) {
973 radeon_dig_connector->dp_sink_type = sink_type;
974 ret = connector_status_connected;
977 if (radeon_ddc_probe(radeon_connector)) {
978 radeon_dig_connector->dp_sink_type = sink_type;
979 ret = connector_status_connected;
986 static int radeon_dp_mode_valid(struct drm_connector *connector,
987 struct drm_display_mode *mode)
989 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
990 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
992 /* XXX check mode bandwidth */
994 if ((radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
995 (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP))
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 case DRM_MODE_CONNECTOR_eDP:
1149 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1150 if (!radeon_dig_connector)
1152 radeon_dig_connector->linkb = linkb;
1153 radeon_dig_connector->igp_lane_info = igp_lane_info;
1154 radeon_connector->con_priv = radeon_dig_connector;
1155 drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
1156 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
1159 if (i2c_bus->valid) {
1160 /* add DP i2c bus */
1161 if (connector_type == DRM_MODE_CONNECTOR_eDP)
1162 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "eDP-auxch");
1164 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "DP-auxch");
1165 if (!radeon_dig_connector->dp_i2c_bus)
1167 if (connector_type == DRM_MODE_CONNECTOR_eDP)
1168 radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "eDP");
1170 radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "DP");
1171 if (!radeon_connector->ddc_bus)
1174 subpixel_order = SubPixelHorizontalRGB;
1175 drm_connector_attach_property(&radeon_connector->base,
1176 rdev->mode_info.coherent_mode_property,
1179 case DRM_MODE_CONNECTOR_SVIDEO:
1180 case DRM_MODE_CONNECTOR_Composite:
1181 case DRM_MODE_CONNECTOR_9PinDIN:
1182 if (radeon_tv == 1) {
1183 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
1184 ret = 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 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
1207 if (i2c_bus->valid) {
1208 radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "LVDS");
1209 if (!radeon_connector->ddc_bus)
1212 drm_connector_attach_property(&radeon_connector->base,
1213 dev->mode_config.scaling_mode_property,
1214 DRM_MODE_SCALE_FULLSCREEN);
1215 subpixel_order = SubPixelHorizontalRGB;
1219 connector->display_info.subpixel_order = subpixel_order;
1220 drm_sysfs_connector_add(connector);
1224 if (radeon_connector->ddc_bus)
1225 radeon_i2c_destroy(radeon_connector->ddc_bus);
1226 drm_connector_cleanup(connector);
1231 radeon_add_legacy_connector(struct drm_device *dev,
1232 uint32_t connector_id,
1233 uint32_t supported_device,
1235 struct radeon_i2c_bus_rec *i2c_bus,
1236 uint16_t connector_object_id,
1237 struct radeon_hpd *hpd)
1239 struct radeon_device *rdev = dev->dev_private;
1240 struct drm_connector *connector;
1241 struct radeon_connector *radeon_connector;
1242 uint32_t subpixel_order = SubPixelNone;
1245 /* fixme - tv/cv/din */
1246 if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1249 /* see if we already added it */
1250 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1251 radeon_connector = to_radeon_connector(connector);
1252 if (radeon_connector->connector_id == connector_id) {
1253 radeon_connector->devices |= supported_device;
1258 radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1259 if (!radeon_connector)
1262 connector = &radeon_connector->base;
1264 radeon_connector->connector_id = connector_id;
1265 radeon_connector->devices = supported_device;
1266 radeon_connector->connector_object_id = connector_object_id;
1267 radeon_connector->hpd = *hpd;
1268 switch (connector_type) {
1269 case DRM_MODE_CONNECTOR_VGA:
1270 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1271 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1274 if (i2c_bus->valid) {
1275 radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "VGA");
1276 if (!radeon_connector->ddc_bus)
1279 radeon_connector->dac_load_detect = true;
1280 drm_connector_attach_property(&radeon_connector->base,
1281 rdev->mode_info.load_detect_property,
1284 case DRM_MODE_CONNECTOR_DVIA:
1285 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1286 ret = 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 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1305 if (i2c_bus->valid) {
1306 radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "DVI");
1307 if (!radeon_connector->ddc_bus)
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 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
1324 radeon_connector->dac_load_detect = true;
1325 /* RS400,RC410,RS480 chipset seems to report a lot
1326 * of false positive on load detect, we haven't yet
1327 * found a way to make load detect reliable on those
1328 * chipset, thus just disable it for TV.
1330 if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480)
1331 radeon_connector->dac_load_detect = false;
1332 drm_connector_attach_property(&radeon_connector->base,
1333 rdev->mode_info.load_detect_property,
1334 radeon_connector->dac_load_detect);
1335 drm_connector_attach_property(&radeon_connector->base,
1336 rdev->mode_info.tv_std_property,
1337 radeon_combios_get_tv_info(rdev));
1340 case DRM_MODE_CONNECTOR_LVDS:
1341 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
1342 ret = drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
1345 if (i2c_bus->valid) {
1346 radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "LVDS");
1347 if (!radeon_connector->ddc_bus)
1350 drm_connector_attach_property(&radeon_connector->base,
1351 dev->mode_config.scaling_mode_property,
1352 DRM_MODE_SCALE_FULLSCREEN);
1353 subpixel_order = SubPixelHorizontalRGB;
1357 connector->display_info.subpixel_order = subpixel_order;
1358 drm_sysfs_connector_add(connector);
1362 if (radeon_connector->ddc_bus)
1363 radeon_i2c_destroy(radeon_connector->ddc_bus);
1364 drm_connector_cleanup(connector);