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,
44 radeon_legacy_backlight_init(struct radeon_encoder *radeon_encoder,
45 struct drm_connector *drm_connector);
47 void radeon_connector_hotplug(struct drm_connector *connector)
49 struct drm_device *dev = connector->dev;
50 struct radeon_device *rdev = dev->dev_private;
51 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
53 if (radeon_connector->hpd.hpd != RADEON_HPD_NONE)
54 radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
56 if ((connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort) ||
57 (connector->connector_type == DRM_MODE_CONNECTOR_eDP)) {
58 if ((radeon_dp_getsinktype(radeon_connector) == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
59 (radeon_dp_getsinktype(radeon_connector) == CONNECTOR_OBJECT_ID_eDP)) {
60 if (radeon_dp_needs_link_train(radeon_connector)) {
61 if (connector->encoder)
62 dp_link_train(connector->encoder, connector);
69 static void radeon_property_change_mode(struct drm_encoder *encoder)
71 struct drm_crtc *crtc = encoder->crtc;
73 if (crtc && crtc->enabled) {
74 drm_crtc_helper_set_mode(crtc, &crtc->mode,
75 crtc->x, crtc->y, crtc->fb);
79 radeon_connector_update_scratch_regs(struct drm_connector *connector, enum drm_connector_status status)
81 struct drm_device *dev = connector->dev;
82 struct radeon_device *rdev = dev->dev_private;
83 struct drm_encoder *best_encoder = NULL;
84 struct drm_encoder *encoder = NULL;
85 struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
86 struct drm_mode_object *obj;
90 best_encoder = connector_funcs->best_encoder(connector);
92 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
93 if (connector->encoder_ids[i] == 0)
96 obj = drm_mode_object_find(connector->dev,
97 connector->encoder_ids[i],
98 DRM_MODE_OBJECT_ENCODER);
102 encoder = obj_to_encoder(obj);
104 if ((encoder == best_encoder) && (status == connector_status_connected))
109 if (rdev->is_atom_bios)
110 radeon_atombios_connected_scratch_regs(connector, encoder, connected);
112 radeon_combios_connected_scratch_regs(connector, encoder, connected);
117 struct drm_encoder *radeon_find_encoder(struct drm_connector *connector, int encoder_type)
119 struct drm_mode_object *obj;
120 struct drm_encoder *encoder;
123 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
124 if (connector->encoder_ids[i] == 0)
127 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
131 encoder = obj_to_encoder(obj);
132 if (encoder->encoder_type == encoder_type)
138 struct drm_encoder *radeon_best_single_encoder(struct drm_connector *connector)
140 int enc_id = connector->encoder_ids[0];
141 struct drm_mode_object *obj;
142 struct drm_encoder *encoder;
144 /* pick the encoder ids */
146 obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER);
149 encoder = obj_to_encoder(obj);
156 * radeon_connector_analog_encoder_conflict_solve
157 * - search for other connectors sharing this encoder
158 * if priority is true, then set them disconnected if this is connected
159 * if priority is false, set us disconnected if they are connected
161 static enum drm_connector_status
162 radeon_connector_analog_encoder_conflict_solve(struct drm_connector *connector,
163 struct drm_encoder *encoder,
164 enum drm_connector_status current_status,
167 struct drm_device *dev = connector->dev;
168 struct drm_connector *conflict;
169 struct radeon_connector *radeon_conflict;
172 list_for_each_entry(conflict, &dev->mode_config.connector_list, head) {
173 if (conflict == connector)
176 radeon_conflict = to_radeon_connector(conflict);
177 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
178 if (conflict->encoder_ids[i] == 0)
181 /* if the IDs match */
182 if (conflict->encoder_ids[i] == encoder->base.id) {
183 if (conflict->status != connector_status_connected)
186 if (radeon_conflict->use_digital)
189 if (priority == true) {
190 DRM_DEBUG_KMS("1: conflicting encoders switching off %s\n", drm_get_connector_name(conflict));
191 DRM_DEBUG_KMS("in favor of %s\n", drm_get_connector_name(connector));
192 conflict->status = connector_status_disconnected;
193 radeon_connector_update_scratch_regs(conflict, connector_status_disconnected);
195 DRM_DEBUG_KMS("2: conflicting encoders switching off %s\n", drm_get_connector_name(connector));
196 DRM_DEBUG_KMS("in favor of %s\n", drm_get_connector_name(conflict));
197 current_status = connector_status_disconnected;
203 return current_status;
207 static struct drm_display_mode *radeon_fp_native_mode(struct drm_encoder *encoder)
209 struct drm_device *dev = encoder->dev;
210 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
211 struct drm_display_mode *mode = NULL;
212 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
214 if (native_mode->hdisplay != 0 &&
215 native_mode->vdisplay != 0 &&
216 native_mode->clock != 0) {
217 mode = drm_mode_duplicate(dev, native_mode);
218 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
219 drm_mode_set_name(mode);
221 DRM_DEBUG_KMS("Adding native panel mode %s\n", mode->name);
222 } else if (native_mode->hdisplay != 0 &&
223 native_mode->vdisplay != 0) {
224 /* mac laptops without an edid */
225 /* Note that this is not necessarily the exact panel mode,
226 * but an approximation based on the cvt formula. For these
227 * systems we should ideally read the mode info out of the
228 * registers or add a mode table, but this works and is much
231 mode = drm_cvt_mode(dev, native_mode->hdisplay, native_mode->vdisplay, 60, true, false, false);
232 mode->type = DRM_MODE_TYPE_PREFERRED | DRM_MODE_TYPE_DRIVER;
233 DRM_DEBUG_KMS("Adding cvt approximation of native panel mode %s\n", mode->name);
238 static void radeon_add_common_modes(struct drm_encoder *encoder, struct drm_connector *connector)
240 struct drm_device *dev = encoder->dev;
241 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
242 struct drm_display_mode *mode = NULL;
243 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
248 } common_modes[17] = {
268 for (i = 0; i < 17; i++) {
269 if (radeon_encoder->devices & (ATOM_DEVICE_TV_SUPPORT)) {
270 if (common_modes[i].w > 1024 ||
271 common_modes[i].h > 768)
274 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
275 if (common_modes[i].w > native_mode->hdisplay ||
276 common_modes[i].h > native_mode->vdisplay ||
277 (common_modes[i].w == native_mode->hdisplay &&
278 common_modes[i].h == native_mode->vdisplay))
281 if (common_modes[i].w < 320 || common_modes[i].h < 200)
284 mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h, 60, false, false, false);
285 drm_mode_probed_add(connector, mode);
289 int radeon_connector_set_property(struct drm_connector *connector, struct drm_property *property,
292 struct drm_device *dev = connector->dev;
293 struct radeon_device *rdev = dev->dev_private;
294 struct drm_encoder *encoder;
295 struct radeon_encoder *radeon_encoder;
297 if (property == rdev->mode_info.coherent_mode_property) {
298 struct radeon_encoder_atom_dig *dig;
299 bool new_coherent_mode;
301 /* need to find digital encoder on connector */
302 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
306 radeon_encoder = to_radeon_encoder(encoder);
308 if (!radeon_encoder->enc_priv)
311 dig = radeon_encoder->enc_priv;
312 new_coherent_mode = val ? true : false;
313 if (dig->coherent_mode != new_coherent_mode) {
314 dig->coherent_mode = new_coherent_mode;
315 radeon_property_change_mode(&radeon_encoder->base);
319 if (property == rdev->mode_info.underscan_property) {
320 /* need to find digital encoder on connector */
321 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
325 radeon_encoder = to_radeon_encoder(encoder);
327 if (radeon_encoder->underscan_type != val) {
328 radeon_encoder->underscan_type = val;
329 radeon_property_change_mode(&radeon_encoder->base);
333 if (property == rdev->mode_info.underscan_hborder_property) {
334 /* need to find digital encoder on connector */
335 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
339 radeon_encoder = to_radeon_encoder(encoder);
341 if (radeon_encoder->underscan_hborder != val) {
342 radeon_encoder->underscan_hborder = val;
343 radeon_property_change_mode(&radeon_encoder->base);
347 if (property == rdev->mode_info.underscan_vborder_property) {
348 /* need to find digital encoder on connector */
349 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
353 radeon_encoder = to_radeon_encoder(encoder);
355 if (radeon_encoder->underscan_vborder != val) {
356 radeon_encoder->underscan_vborder = val;
357 radeon_property_change_mode(&radeon_encoder->base);
361 if (property == rdev->mode_info.tv_std_property) {
362 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TVDAC);
364 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_DAC);
370 radeon_encoder = to_radeon_encoder(encoder);
371 if (!radeon_encoder->enc_priv)
373 if (ASIC_IS_AVIVO(rdev) || radeon_r4xx_atom) {
374 struct radeon_encoder_atom_dac *dac_int;
375 dac_int = radeon_encoder->enc_priv;
376 dac_int->tv_std = val;
378 struct radeon_encoder_tv_dac *dac_int;
379 dac_int = radeon_encoder->enc_priv;
380 dac_int->tv_std = val;
382 radeon_property_change_mode(&radeon_encoder->base);
385 if (property == rdev->mode_info.load_detect_property) {
386 struct radeon_connector *radeon_connector =
387 to_radeon_connector(connector);
390 radeon_connector->dac_load_detect = false;
392 radeon_connector->dac_load_detect = true;
395 if (property == rdev->mode_info.tmds_pll_property) {
396 struct radeon_encoder_int_tmds *tmds = NULL;
398 /* need to find digital encoder on connector */
399 encoder = radeon_find_encoder(connector, DRM_MODE_ENCODER_TMDS);
403 radeon_encoder = to_radeon_encoder(encoder);
405 tmds = radeon_encoder->enc_priv;
410 if (rdev->is_atom_bios)
411 ret = radeon_atombios_get_tmds_info(radeon_encoder, tmds);
413 ret = radeon_legacy_get_tmds_info_from_combios(radeon_encoder, tmds);
415 if (val == 1 || ret == false) {
416 radeon_legacy_get_tmds_info_from_table(radeon_encoder, tmds);
418 radeon_property_change_mode(&radeon_encoder->base);
424 static void radeon_fixup_lvds_native_mode(struct drm_encoder *encoder,
425 struct drm_connector *connector)
427 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
428 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
430 /* Try to get native mode details from EDID if necessary */
431 if (!native_mode->clock) {
432 struct drm_display_mode *t, *mode;
434 list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
435 if (mode->hdisplay == native_mode->hdisplay &&
436 mode->vdisplay == native_mode->vdisplay) {
437 *native_mode = *mode;
438 drm_mode_set_crtcinfo(native_mode, CRTC_INTERLACE_HALVE_V);
439 DRM_DEBUG_KMS("Determined LVDS native mode details from EDID\n");
444 if (!native_mode->clock) {
445 DRM_DEBUG_KMS("No LVDS native mode details, disabling RMX\n");
446 radeon_encoder->rmx_type = RMX_OFF;
450 static int radeon_lvds_get_modes(struct drm_connector *connector)
452 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
453 struct drm_encoder *encoder;
455 struct drm_display_mode *mode;
457 if (radeon_connector->ddc_bus) {
458 ret = radeon_ddc_get_modes(radeon_connector);
460 encoder = radeon_best_single_encoder(connector);
462 radeon_fixup_lvds_native_mode(encoder, connector);
463 /* add scaled modes */
464 radeon_add_common_modes(encoder, connector);
470 encoder = radeon_best_single_encoder(connector);
474 /* we have no EDID modes */
475 mode = radeon_fp_native_mode(encoder);
478 drm_mode_probed_add(connector, mode);
479 /* add the width/height from vbios tables if available */
480 connector->display_info.width_mm = mode->width_mm;
481 connector->display_info.height_mm = mode->height_mm;
482 /* add scaled modes */
483 radeon_add_common_modes(encoder, connector);
489 static int radeon_lvds_mode_valid(struct drm_connector *connector,
490 struct drm_display_mode *mode)
492 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
494 if ((mode->hdisplay < 320) || (mode->vdisplay < 240))
498 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
499 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
501 /* AVIVO hardware supports downscaling modes larger than the panel
502 * to the panel size, but I'm not sure this is desirable.
504 if ((mode->hdisplay > native_mode->hdisplay) ||
505 (mode->vdisplay > native_mode->vdisplay))
508 /* if scaling is disabled, block non-native modes */
509 if (radeon_encoder->rmx_type == RMX_OFF) {
510 if ((mode->hdisplay != native_mode->hdisplay) ||
511 (mode->vdisplay != native_mode->vdisplay))
519 static enum drm_connector_status
520 radeon_lvds_detect(struct drm_connector *connector, bool force)
522 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
523 struct drm_encoder *encoder = radeon_best_single_encoder(connector);
524 enum drm_connector_status ret = connector_status_disconnected;
527 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
528 struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
530 /* check if panel is valid */
531 if (native_mode->hdisplay >= 320 && native_mode->vdisplay >= 240)
532 ret = connector_status_connected;
536 /* check for edid as well */
537 if (radeon_connector->edid)
538 ret = connector_status_connected;
540 if (radeon_connector->ddc_bus) {
541 radeon_connector->edid = drm_get_edid(&radeon_connector->base,
542 &radeon_connector->ddc_bus->adapter);
543 if (radeon_connector->edid)
544 ret = connector_status_connected;
547 /* check acpi lid status ??? */
549 radeon_connector_update_scratch_regs(connector, ret);
553 static void radeon_connector_destroy(struct drm_connector *connector)
555 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
557 if (radeon_connector->edid)
558 kfree(radeon_connector->edid);
559 kfree(radeon_connector->con_priv);
560 drm_sysfs_connector_remove(connector);
561 drm_connector_cleanup(connector);
565 static int radeon_lvds_set_property(struct drm_connector *connector,
566 struct drm_property *property,
569 struct drm_device *dev = connector->dev;
570 struct radeon_encoder *radeon_encoder;
571 enum radeon_rmx_type rmx_type;
574 if (property != dev->mode_config.scaling_mode_property)
577 if (connector->encoder)
578 radeon_encoder = to_radeon_encoder(connector->encoder);
580 struct drm_connector_helper_funcs *connector_funcs = connector->helper_private;
581 radeon_encoder = to_radeon_encoder(connector_funcs->best_encoder(connector));
585 case DRM_MODE_SCALE_NONE: rmx_type = RMX_OFF; break;
586 case DRM_MODE_SCALE_CENTER: rmx_type = RMX_CENTER; break;
587 case DRM_MODE_SCALE_ASPECT: rmx_type = RMX_ASPECT; break;
589 case DRM_MODE_SCALE_FULLSCREEN: rmx_type = RMX_FULL; break;
591 if (radeon_encoder->rmx_type == rmx_type)
594 radeon_encoder->rmx_type = rmx_type;
596 radeon_property_change_mode(&radeon_encoder->base);
601 struct drm_connector_helper_funcs radeon_lvds_connector_helper_funcs = {
602 .get_modes = radeon_lvds_get_modes,
603 .mode_valid = radeon_lvds_mode_valid,
604 .best_encoder = radeon_best_single_encoder,
607 struct drm_connector_funcs radeon_lvds_connector_funcs = {
608 .dpms = drm_helper_connector_dpms,
609 .detect = radeon_lvds_detect,
610 .fill_modes = drm_helper_probe_single_connector_modes,
611 .destroy = radeon_connector_destroy,
612 .set_property = radeon_lvds_set_property,
615 static int radeon_vga_get_modes(struct drm_connector *connector)
617 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
620 ret = radeon_ddc_get_modes(radeon_connector);
625 static int radeon_vga_mode_valid(struct drm_connector *connector,
626 struct drm_display_mode *mode)
628 /* XXX check mode bandwidth */
629 /* XXX verify against max DAC output frequency */
633 static enum drm_connector_status
634 radeon_vga_detect(struct drm_connector *connector, bool force)
636 struct drm_device *dev = connector->dev;
637 struct radeon_device *rdev = dev->dev_private;
638 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
639 struct drm_encoder *encoder;
640 struct drm_encoder_helper_funcs *encoder_funcs;
642 enum drm_connector_status ret = connector_status_disconnected;
644 encoder = radeon_best_single_encoder(connector);
646 ret = connector_status_disconnected;
648 if (radeon_connector->ddc_bus)
649 dret = radeon_ddc_probe(radeon_connector);
651 if (radeon_connector->edid) {
652 kfree(radeon_connector->edid);
653 radeon_connector->edid = NULL;
655 radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
657 if (!radeon_connector->edid) {
658 DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
659 drm_get_connector_name(connector));
660 ret = connector_status_connected;
662 radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
664 /* some oems have boards with separate digital and analog connectors
665 * with a shared ddc line (often vga + hdmi)
667 if (radeon_connector->use_digital && radeon_connector->shared_ddc) {
668 kfree(radeon_connector->edid);
669 radeon_connector->edid = NULL;
670 ret = connector_status_disconnected;
672 ret = connector_status_connected;
676 /* if we aren't forcing don't do destructive polling */
678 return connector->status;
680 if (radeon_connector->dac_load_detect && encoder) {
681 encoder_funcs = encoder->helper_private;
682 ret = encoder_funcs->detect(encoder, connector);
686 if (ret == connector_status_connected)
687 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
689 /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
690 * vbios to deal with KVMs. If we have one and are not able to detect a monitor
691 * by other means, assume the CRT is connected and use that EDID.
693 if ((!rdev->is_atom_bios) &&
694 (ret == connector_status_disconnected) &&
695 rdev->mode_info.bios_hardcoded_edid_size) {
696 ret = connector_status_connected;
699 radeon_connector_update_scratch_regs(connector, ret);
703 struct drm_connector_helper_funcs radeon_vga_connector_helper_funcs = {
704 .get_modes = radeon_vga_get_modes,
705 .mode_valid = radeon_vga_mode_valid,
706 .best_encoder = radeon_best_single_encoder,
709 struct drm_connector_funcs radeon_vga_connector_funcs = {
710 .dpms = drm_helper_connector_dpms,
711 .detect = radeon_vga_detect,
712 .fill_modes = drm_helper_probe_single_connector_modes,
713 .destroy = radeon_connector_destroy,
714 .set_property = radeon_connector_set_property,
717 static int radeon_tv_get_modes(struct drm_connector *connector)
719 struct drm_device *dev = connector->dev;
720 struct radeon_device *rdev = dev->dev_private;
721 struct drm_display_mode *tv_mode;
722 struct drm_encoder *encoder;
724 encoder = radeon_best_single_encoder(connector);
728 /* avivo chips can scale any mode */
729 if (rdev->family >= CHIP_RS600)
730 /* add scaled modes */
731 radeon_add_common_modes(encoder, connector);
733 /* only 800x600 is supported right now on pre-avivo chips */
734 tv_mode = drm_cvt_mode(dev, 800, 600, 60, false, false, false);
735 tv_mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
736 drm_mode_probed_add(connector, tv_mode);
741 static int radeon_tv_mode_valid(struct drm_connector *connector,
742 struct drm_display_mode *mode)
744 if ((mode->hdisplay > 1024) || (mode->vdisplay > 768))
745 return MODE_CLOCK_RANGE;
749 static enum drm_connector_status
750 radeon_tv_detect(struct drm_connector *connector, bool force)
752 struct drm_encoder *encoder;
753 struct drm_encoder_helper_funcs *encoder_funcs;
754 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
755 enum drm_connector_status ret = connector_status_disconnected;
757 if (!radeon_connector->dac_load_detect)
760 encoder = radeon_best_single_encoder(connector);
762 ret = connector_status_disconnected;
764 encoder_funcs = encoder->helper_private;
765 ret = encoder_funcs->detect(encoder, connector);
767 if (ret == connector_status_connected)
768 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, false);
769 radeon_connector_update_scratch_regs(connector, ret);
773 struct drm_connector_helper_funcs radeon_tv_connector_helper_funcs = {
774 .get_modes = radeon_tv_get_modes,
775 .mode_valid = radeon_tv_mode_valid,
776 .best_encoder = radeon_best_single_encoder,
779 struct drm_connector_funcs radeon_tv_connector_funcs = {
780 .dpms = drm_helper_connector_dpms,
781 .detect = radeon_tv_detect,
782 .fill_modes = drm_helper_probe_single_connector_modes,
783 .destroy = radeon_connector_destroy,
784 .set_property = radeon_connector_set_property,
787 static int radeon_dvi_get_modes(struct drm_connector *connector)
789 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
792 ret = radeon_ddc_get_modes(radeon_connector);
798 * Do a DDC probe, if DDC probe passes, get the full EDID so
799 * we can do analog/digital monitor detection at this point.
800 * If the monitor is an analog monitor or we got no DDC,
801 * we need to find the DAC encoder object for this connector.
802 * If we got no DDC, we do load detection on the DAC encoder object.
803 * If we got analog DDC or load detection passes on the DAC encoder
804 * we have to check if this analog encoder is shared with anyone else (TV)
805 * if its shared we have to set the other connector to disconnected.
807 static enum drm_connector_status
808 radeon_dvi_detect(struct drm_connector *connector, bool force)
810 struct drm_device *dev = connector->dev;
811 struct radeon_device *rdev = dev->dev_private;
812 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
813 struct drm_encoder *encoder = NULL;
814 struct drm_encoder_helper_funcs *encoder_funcs;
815 struct drm_mode_object *obj;
817 enum drm_connector_status ret = connector_status_disconnected;
820 if (radeon_connector->ddc_bus)
821 dret = radeon_ddc_probe(radeon_connector);
823 if (radeon_connector->edid) {
824 kfree(radeon_connector->edid);
825 radeon_connector->edid = NULL;
827 radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
829 if (!radeon_connector->edid) {
830 DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
831 drm_get_connector_name(connector));
833 radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL);
835 /* some oems have boards with separate digital and analog connectors
836 * with a shared ddc line (often vga + hdmi)
838 if ((!radeon_connector->use_digital) && radeon_connector->shared_ddc) {
839 kfree(radeon_connector->edid);
840 radeon_connector->edid = NULL;
841 ret = connector_status_disconnected;
843 ret = connector_status_connected;
845 /* This gets complicated. We have boards with VGA + HDMI with a
846 * shared DDC line and we have boards with DVI-D + HDMI with a shared
847 * DDC line. The latter is more complex because with DVI<->HDMI adapters
848 * you don't really know what's connected to which port as both are digital.
850 if (radeon_connector->shared_ddc && (ret == connector_status_connected)) {
851 struct drm_connector *list_connector;
852 struct radeon_connector *list_radeon_connector;
853 list_for_each_entry(list_connector, &dev->mode_config.connector_list, head) {
854 if (connector == list_connector)
856 list_radeon_connector = to_radeon_connector(list_connector);
857 if (list_radeon_connector->shared_ddc &&
858 (list_radeon_connector->ddc_bus->rec.i2c_id ==
859 radeon_connector->ddc_bus->rec.i2c_id)) {
860 /* cases where both connectors are digital */
861 if (list_connector->connector_type != DRM_MODE_CONNECTOR_VGA) {
862 /* hpd is our only option in this case */
863 if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) {
864 kfree(radeon_connector->edid);
865 radeon_connector->edid = NULL;
866 ret = connector_status_disconnected;
875 if ((ret == connector_status_connected) && (radeon_connector->use_digital == true))
879 ret = connector->status;
883 /* find analog encoder */
884 if (radeon_connector->dac_load_detect) {
885 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
886 if (connector->encoder_ids[i] == 0)
889 obj = drm_mode_object_find(connector->dev,
890 connector->encoder_ids[i],
891 DRM_MODE_OBJECT_ENCODER);
895 encoder = obj_to_encoder(obj);
897 encoder_funcs = encoder->helper_private;
898 if (encoder_funcs->detect) {
899 if (ret != connector_status_connected) {
900 ret = encoder_funcs->detect(encoder, connector);
901 if (ret == connector_status_connected) {
902 radeon_connector->use_digital = false;
910 if ((ret == connector_status_connected) && (radeon_connector->use_digital == false) &&
912 ret = radeon_connector_analog_encoder_conflict_solve(connector, encoder, ret, true);
915 /* RN50 and some RV100 asics in servers often have a hardcoded EDID in the
916 * vbios to deal with KVMs. If we have one and are not able to detect a monitor
917 * by other means, assume the DFP is connected and use that EDID. In most
918 * cases the DVI port is actually a virtual KVM port connected to the service
921 if ((!rdev->is_atom_bios) &&
922 (ret == connector_status_disconnected) &&
923 rdev->mode_info.bios_hardcoded_edid_size) {
924 radeon_connector->use_digital = true;
925 ret = connector_status_connected;
929 /* updated in get modes as well since we need to know if it's analog or digital */
930 radeon_connector_update_scratch_regs(connector, ret);
934 /* okay need to be smart in here about which encoder to pick */
935 struct drm_encoder *radeon_dvi_encoder(struct drm_connector *connector)
937 int enc_id = connector->encoder_ids[0];
938 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
939 struct drm_mode_object *obj;
940 struct drm_encoder *encoder;
942 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
943 if (connector->encoder_ids[i] == 0)
946 obj = drm_mode_object_find(connector->dev, connector->encoder_ids[i], DRM_MODE_OBJECT_ENCODER);
950 encoder = obj_to_encoder(obj);
952 if (radeon_connector->use_digital == true) {
953 if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS)
956 if (encoder->encoder_type == DRM_MODE_ENCODER_DAC ||
957 encoder->encoder_type == DRM_MODE_ENCODER_TVDAC)
962 /* see if we have a default encoder TODO */
964 /* then check use digitial */
965 /* pick the first one */
967 obj = drm_mode_object_find(connector->dev, enc_id, DRM_MODE_OBJECT_ENCODER);
970 encoder = obj_to_encoder(obj);
976 static void radeon_dvi_force(struct drm_connector *connector)
978 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
979 if (connector->force == DRM_FORCE_ON)
980 radeon_connector->use_digital = false;
981 if (connector->force == DRM_FORCE_ON_DIGITAL)
982 radeon_connector->use_digital = true;
985 static int radeon_dvi_mode_valid(struct drm_connector *connector,
986 struct drm_display_mode *mode)
988 struct drm_device *dev = connector->dev;
989 struct radeon_device *rdev = dev->dev_private;
990 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
992 /* XXX check mode bandwidth */
994 /* clocks over 135 MHz have heat issues with DVI on RV100 */
995 if (radeon_connector->use_digital &&
996 (rdev->family == CHIP_RV100) &&
997 (mode->clock > 135000))
998 return MODE_CLOCK_HIGH;
1000 if (radeon_connector->use_digital && (mode->clock > 165000)) {
1001 if ((radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I) ||
1002 (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D) ||
1003 (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_B))
1005 else if (radeon_connector->connector_object_id == CONNECTOR_OBJECT_ID_HDMI_TYPE_A) {
1006 if (ASIC_IS_DCE3(rdev)) {
1007 /* HDMI 1.3+ supports max clock of 340 Mhz */
1008 if (mode->clock > 340000)
1009 return MODE_CLOCK_HIGH;
1013 return MODE_CLOCK_HIGH;
1015 return MODE_CLOCK_HIGH;
1020 struct drm_connector_helper_funcs radeon_dvi_connector_helper_funcs = {
1021 .get_modes = radeon_dvi_get_modes,
1022 .mode_valid = radeon_dvi_mode_valid,
1023 .best_encoder = radeon_dvi_encoder,
1026 struct drm_connector_funcs radeon_dvi_connector_funcs = {
1027 .dpms = drm_helper_connector_dpms,
1028 .detect = radeon_dvi_detect,
1029 .fill_modes = drm_helper_probe_single_connector_modes,
1030 .set_property = radeon_connector_set_property,
1031 .destroy = radeon_connector_destroy,
1032 .force = radeon_dvi_force,
1035 static void radeon_dp_connector_destroy(struct drm_connector *connector)
1037 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1038 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1040 if (radeon_connector->edid)
1041 kfree(radeon_connector->edid);
1042 if (radeon_dig_connector->dp_i2c_bus)
1043 radeon_i2c_destroy(radeon_dig_connector->dp_i2c_bus);
1044 kfree(radeon_connector->con_priv);
1045 drm_sysfs_connector_remove(connector);
1046 drm_connector_cleanup(connector);
1050 static int radeon_dp_get_modes(struct drm_connector *connector)
1052 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1053 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1056 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
1057 if (!radeon_dig_connector->edp_on)
1058 atombios_set_edp_panel_power(connector,
1059 ATOM_TRANSMITTER_ACTION_POWER_ON);
1061 ret = radeon_ddc_get_modes(radeon_connector);
1062 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
1063 if (!radeon_dig_connector->edp_on)
1064 atombios_set_edp_panel_power(connector,
1065 ATOM_TRANSMITTER_ACTION_POWER_OFF);
1071 static enum drm_connector_status
1072 radeon_dp_detect(struct drm_connector *connector, bool force)
1074 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1075 enum drm_connector_status ret = connector_status_disconnected;
1076 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1078 if (radeon_connector->edid) {
1079 kfree(radeon_connector->edid);
1080 radeon_connector->edid = NULL;
1083 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP) {
1084 /* eDP is always DP */
1085 radeon_dig_connector->dp_sink_type = CONNECTOR_OBJECT_ID_DISPLAYPORT;
1086 if (!radeon_dig_connector->edp_on)
1087 atombios_set_edp_panel_power(connector,
1088 ATOM_TRANSMITTER_ACTION_POWER_ON);
1089 if (radeon_dp_getdpcd(radeon_connector))
1090 ret = connector_status_connected;
1091 if (!radeon_dig_connector->edp_on)
1092 atombios_set_edp_panel_power(connector,
1093 ATOM_TRANSMITTER_ACTION_POWER_OFF);
1095 radeon_dig_connector->dp_sink_type = radeon_dp_getsinktype(radeon_connector);
1096 if (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) {
1097 if (radeon_dp_getdpcd(radeon_connector))
1098 ret = connector_status_connected;
1100 if (radeon_ddc_probe(radeon_connector))
1101 ret = connector_status_connected;
1105 radeon_connector_update_scratch_regs(connector, ret);
1109 static int radeon_dp_mode_valid(struct drm_connector *connector,
1110 struct drm_display_mode *mode)
1112 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1113 struct radeon_connector_atom_dig *radeon_dig_connector = radeon_connector->con_priv;
1115 /* XXX check mode bandwidth */
1117 if ((radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
1118 (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP))
1119 return radeon_dp_mode_valid_helper(radeon_connector, mode);
1124 struct drm_connector_helper_funcs radeon_dp_connector_helper_funcs = {
1125 .get_modes = radeon_dp_get_modes,
1126 .mode_valid = radeon_dp_mode_valid,
1127 .best_encoder = radeon_dvi_encoder,
1130 struct drm_connector_funcs radeon_dp_connector_funcs = {
1131 .dpms = drm_helper_connector_dpms,
1132 .detect = radeon_dp_detect,
1133 .fill_modes = drm_helper_probe_single_connector_modes,
1134 .set_property = radeon_connector_set_property,
1135 .destroy = radeon_dp_connector_destroy,
1136 .force = radeon_dvi_force,
1140 radeon_add_atom_connector(struct drm_device *dev,
1141 uint32_t connector_id,
1142 uint32_t supported_device,
1144 struct radeon_i2c_bus_rec *i2c_bus,
1145 uint32_t igp_lane_info,
1146 uint16_t connector_object_id,
1147 struct radeon_hpd *hpd,
1148 struct radeon_router *router)
1150 struct radeon_device *rdev = dev->dev_private;
1151 struct drm_connector *connector;
1152 struct radeon_connector *radeon_connector;
1153 struct radeon_connector_atom_dig *radeon_dig_connector;
1154 uint32_t subpixel_order = SubPixelNone;
1155 bool shared_ddc = false;
1157 if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1160 /* if the user selected tv=0 don't try and add the connector */
1161 if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
1162 (connector_type == DRM_MODE_CONNECTOR_Composite) ||
1163 (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
1167 /* see if we already added it */
1168 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1169 radeon_connector = to_radeon_connector(connector);
1170 if (radeon_connector->connector_id == connector_id) {
1171 radeon_connector->devices |= supported_device;
1174 if (radeon_connector->ddc_bus && i2c_bus->valid) {
1175 if (radeon_connector->ddc_bus->rec.i2c_id == i2c_bus->i2c_id) {
1176 radeon_connector->shared_ddc = true;
1179 if (radeon_connector->router_bus && router->ddc_valid &&
1180 (radeon_connector->router.router_id == router->router_id)) {
1181 radeon_connector->shared_ddc = false;
1187 radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1188 if (!radeon_connector)
1191 connector = &radeon_connector->base;
1193 radeon_connector->connector_id = connector_id;
1194 radeon_connector->devices = supported_device;
1195 radeon_connector->shared_ddc = shared_ddc;
1196 radeon_connector->connector_object_id = connector_object_id;
1197 radeon_connector->hpd = *hpd;
1198 radeon_connector->router = *router;
1199 if (router->ddc_valid || router->cd_valid) {
1200 radeon_connector->router_bus = radeon_i2c_lookup(rdev, &router->i2c_info);
1201 if (!radeon_connector->router_bus)
1204 switch (connector_type) {
1205 case DRM_MODE_CONNECTOR_VGA:
1206 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1207 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1208 if (i2c_bus->valid) {
1209 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1210 if (!radeon_connector->ddc_bus)
1213 radeon_connector->dac_load_detect = true;
1214 drm_connector_attach_property(&radeon_connector->base,
1215 rdev->mode_info.load_detect_property,
1217 /* no HPD on analog connectors */
1218 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1219 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1220 connector->interlace_allowed = true;
1221 connector->doublescan_allowed = true;
1223 case DRM_MODE_CONNECTOR_DVIA:
1224 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1225 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1226 if (i2c_bus->valid) {
1227 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1228 if (!radeon_connector->ddc_bus)
1231 radeon_connector->dac_load_detect = true;
1232 drm_connector_attach_property(&radeon_connector->base,
1233 rdev->mode_info.load_detect_property,
1235 /* no HPD on analog connectors */
1236 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1237 connector->interlace_allowed = true;
1238 connector->doublescan_allowed = true;
1240 case DRM_MODE_CONNECTOR_DVII:
1241 case DRM_MODE_CONNECTOR_DVID:
1242 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1243 if (!radeon_dig_connector)
1245 radeon_dig_connector->igp_lane_info = igp_lane_info;
1246 radeon_connector->con_priv = radeon_dig_connector;
1247 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1248 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1249 if (i2c_bus->valid) {
1250 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1251 if (!radeon_connector->ddc_bus)
1254 subpixel_order = SubPixelHorizontalRGB;
1255 drm_connector_attach_property(&radeon_connector->base,
1256 rdev->mode_info.coherent_mode_property,
1258 if (ASIC_IS_AVIVO(rdev)) {
1259 drm_connector_attach_property(&radeon_connector->base,
1260 rdev->mode_info.underscan_property,
1262 drm_connector_attach_property(&radeon_connector->base,
1263 rdev->mode_info.underscan_hborder_property,
1265 drm_connector_attach_property(&radeon_connector->base,
1266 rdev->mode_info.underscan_vborder_property,
1269 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1270 radeon_connector->dac_load_detect = true;
1271 drm_connector_attach_property(&radeon_connector->base,
1272 rdev->mode_info.load_detect_property,
1275 connector->interlace_allowed = true;
1276 if (connector_type == DRM_MODE_CONNECTOR_DVII)
1277 connector->doublescan_allowed = true;
1279 connector->doublescan_allowed = false;
1281 case DRM_MODE_CONNECTOR_HDMIA:
1282 case DRM_MODE_CONNECTOR_HDMIB:
1283 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1284 if (!radeon_dig_connector)
1286 radeon_dig_connector->igp_lane_info = igp_lane_info;
1287 radeon_connector->con_priv = radeon_dig_connector;
1288 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1289 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1290 if (i2c_bus->valid) {
1291 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1292 if (!radeon_connector->ddc_bus)
1295 drm_connector_attach_property(&radeon_connector->base,
1296 rdev->mode_info.coherent_mode_property,
1298 if (ASIC_IS_AVIVO(rdev)) {
1299 drm_connector_attach_property(&radeon_connector->base,
1300 rdev->mode_info.underscan_property,
1302 drm_connector_attach_property(&radeon_connector->base,
1303 rdev->mode_info.underscan_hborder_property,
1305 drm_connector_attach_property(&radeon_connector->base,
1306 rdev->mode_info.underscan_vborder_property,
1309 subpixel_order = SubPixelHorizontalRGB;
1310 connector->interlace_allowed = true;
1311 if (connector_type == DRM_MODE_CONNECTOR_HDMIB)
1312 connector->doublescan_allowed = true;
1314 connector->doublescan_allowed = false;
1316 case DRM_MODE_CONNECTOR_DisplayPort:
1317 case DRM_MODE_CONNECTOR_eDP:
1318 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1319 if (!radeon_dig_connector)
1321 radeon_dig_connector->igp_lane_info = igp_lane_info;
1322 radeon_connector->con_priv = radeon_dig_connector;
1323 drm_connector_init(dev, &radeon_connector->base, &radeon_dp_connector_funcs, connector_type);
1324 drm_connector_helper_add(&radeon_connector->base, &radeon_dp_connector_helper_funcs);
1325 if (i2c_bus->valid) {
1326 /* add DP i2c bus */
1327 if (connector_type == DRM_MODE_CONNECTOR_eDP)
1328 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "eDP-auxch");
1330 radeon_dig_connector->dp_i2c_bus = radeon_i2c_create_dp(dev, i2c_bus, "DP-auxch");
1331 if (!radeon_dig_connector->dp_i2c_bus)
1333 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1334 if (!radeon_connector->ddc_bus)
1337 subpixel_order = SubPixelHorizontalRGB;
1338 drm_connector_attach_property(&radeon_connector->base,
1339 rdev->mode_info.coherent_mode_property,
1341 if (ASIC_IS_AVIVO(rdev)) {
1342 drm_connector_attach_property(&radeon_connector->base,
1343 rdev->mode_info.underscan_property,
1345 drm_connector_attach_property(&radeon_connector->base,
1346 rdev->mode_info.underscan_hborder_property,
1348 drm_connector_attach_property(&radeon_connector->base,
1349 rdev->mode_info.underscan_vborder_property,
1352 connector->interlace_allowed = true;
1353 /* in theory with a DP to VGA converter... */
1354 connector->doublescan_allowed = false;
1356 case DRM_MODE_CONNECTOR_SVIDEO:
1357 case DRM_MODE_CONNECTOR_Composite:
1358 case DRM_MODE_CONNECTOR_9PinDIN:
1359 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
1360 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
1361 radeon_connector->dac_load_detect = true;
1362 drm_connector_attach_property(&radeon_connector->base,
1363 rdev->mode_info.load_detect_property,
1365 drm_connector_attach_property(&radeon_connector->base,
1366 rdev->mode_info.tv_std_property,
1367 radeon_atombios_get_tv_info(rdev));
1368 /* no HPD on analog connectors */
1369 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1370 connector->interlace_allowed = false;
1371 connector->doublescan_allowed = false;
1373 case DRM_MODE_CONNECTOR_LVDS:
1374 radeon_dig_connector = kzalloc(sizeof(struct radeon_connector_atom_dig), GFP_KERNEL);
1375 if (!radeon_dig_connector)
1377 radeon_dig_connector->igp_lane_info = igp_lane_info;
1378 radeon_connector->con_priv = radeon_dig_connector;
1379 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
1380 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
1381 if (i2c_bus->valid) {
1382 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1383 if (!radeon_connector->ddc_bus)
1386 drm_connector_attach_property(&radeon_connector->base,
1387 dev->mode_config.scaling_mode_property,
1388 DRM_MODE_SCALE_FULLSCREEN);
1389 subpixel_order = SubPixelHorizontalRGB;
1390 connector->interlace_allowed = false;
1391 connector->doublescan_allowed = false;
1395 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
1397 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1399 connector->polled = DRM_CONNECTOR_POLL_HPD;
1401 connector->display_info.subpixel_order = subpixel_order;
1402 drm_sysfs_connector_add(connector);
1406 drm_connector_cleanup(connector);
1411 radeon_add_legacy_connector(struct drm_device *dev,
1412 uint32_t connector_id,
1413 uint32_t supported_device,
1415 struct radeon_i2c_bus_rec *i2c_bus,
1416 uint16_t connector_object_id,
1417 struct radeon_hpd *hpd)
1419 struct radeon_device *rdev = dev->dev_private;
1420 struct drm_connector *connector;
1421 struct radeon_connector *radeon_connector;
1422 uint32_t subpixel_order = SubPixelNone;
1424 if (connector_type == DRM_MODE_CONNECTOR_Unknown)
1427 /* if the user selected tv=0 don't try and add the connector */
1428 if (((connector_type == DRM_MODE_CONNECTOR_SVIDEO) ||
1429 (connector_type == DRM_MODE_CONNECTOR_Composite) ||
1430 (connector_type == DRM_MODE_CONNECTOR_9PinDIN)) &&
1434 /* see if we already added it */
1435 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1436 radeon_connector = to_radeon_connector(connector);
1437 if (radeon_connector->connector_id == connector_id) {
1438 radeon_connector->devices |= supported_device;
1443 radeon_connector = kzalloc(sizeof(struct radeon_connector), GFP_KERNEL);
1444 if (!radeon_connector)
1447 connector = &radeon_connector->base;
1449 radeon_connector->connector_id = connector_id;
1450 radeon_connector->devices = supported_device;
1451 radeon_connector->connector_object_id = connector_object_id;
1452 radeon_connector->hpd = *hpd;
1453 switch (connector_type) {
1454 case DRM_MODE_CONNECTOR_VGA:
1455 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1456 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1457 if (i2c_bus->valid) {
1458 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1459 if (!radeon_connector->ddc_bus)
1462 radeon_connector->dac_load_detect = true;
1463 drm_connector_attach_property(&radeon_connector->base,
1464 rdev->mode_info.load_detect_property,
1466 /* no HPD on analog connectors */
1467 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1468 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1469 connector->interlace_allowed = true;
1470 connector->doublescan_allowed = true;
1472 case DRM_MODE_CONNECTOR_DVIA:
1473 drm_connector_init(dev, &radeon_connector->base, &radeon_vga_connector_funcs, connector_type);
1474 drm_connector_helper_add(&radeon_connector->base, &radeon_vga_connector_helper_funcs);
1475 if (i2c_bus->valid) {
1476 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1477 if (!radeon_connector->ddc_bus)
1480 radeon_connector->dac_load_detect = true;
1481 drm_connector_attach_property(&radeon_connector->base,
1482 rdev->mode_info.load_detect_property,
1484 /* no HPD on analog connectors */
1485 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1486 connector->interlace_allowed = true;
1487 connector->doublescan_allowed = true;
1489 case DRM_MODE_CONNECTOR_DVII:
1490 case DRM_MODE_CONNECTOR_DVID:
1491 drm_connector_init(dev, &radeon_connector->base, &radeon_dvi_connector_funcs, connector_type);
1492 drm_connector_helper_add(&radeon_connector->base, &radeon_dvi_connector_helper_funcs);
1493 if (i2c_bus->valid) {
1494 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1495 if (!radeon_connector->ddc_bus)
1498 if (connector_type == DRM_MODE_CONNECTOR_DVII) {
1499 radeon_connector->dac_load_detect = true;
1500 drm_connector_attach_property(&radeon_connector->base,
1501 rdev->mode_info.load_detect_property,
1504 subpixel_order = SubPixelHorizontalRGB;
1505 connector->interlace_allowed = true;
1506 if (connector_type == DRM_MODE_CONNECTOR_DVII)
1507 connector->doublescan_allowed = true;
1509 connector->doublescan_allowed = false;
1511 case DRM_MODE_CONNECTOR_SVIDEO:
1512 case DRM_MODE_CONNECTOR_Composite:
1513 case DRM_MODE_CONNECTOR_9PinDIN:
1514 drm_connector_init(dev, &radeon_connector->base, &radeon_tv_connector_funcs, connector_type);
1515 drm_connector_helper_add(&radeon_connector->base, &radeon_tv_connector_helper_funcs);
1516 radeon_connector->dac_load_detect = true;
1517 /* RS400,RC410,RS480 chipset seems to report a lot
1518 * of false positive on load detect, we haven't yet
1519 * found a way to make load detect reliable on those
1520 * chipset, thus just disable it for TV.
1522 if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480)
1523 radeon_connector->dac_load_detect = false;
1524 drm_connector_attach_property(&radeon_connector->base,
1525 rdev->mode_info.load_detect_property,
1526 radeon_connector->dac_load_detect);
1527 drm_connector_attach_property(&radeon_connector->base,
1528 rdev->mode_info.tv_std_property,
1529 radeon_combios_get_tv_info(rdev));
1530 /* no HPD on analog connectors */
1531 radeon_connector->hpd.hpd = RADEON_HPD_NONE;
1532 connector->interlace_allowed = false;
1533 connector->doublescan_allowed = false;
1535 case DRM_MODE_CONNECTOR_LVDS:
1536 drm_connector_init(dev, &radeon_connector->base, &radeon_lvds_connector_funcs, connector_type);
1537 drm_connector_helper_add(&radeon_connector->base, &radeon_lvds_connector_helper_funcs);
1538 if (i2c_bus->valid) {
1539 radeon_connector->ddc_bus = radeon_i2c_lookup(rdev, i2c_bus);
1540 if (!radeon_connector->ddc_bus)
1543 drm_connector_attach_property(&radeon_connector->base,
1544 dev->mode_config.scaling_mode_property,
1545 DRM_MODE_SCALE_FULLSCREEN);
1546 subpixel_order = SubPixelHorizontalRGB;
1547 connector->interlace_allowed = false;
1548 connector->doublescan_allowed = false;
1552 if (radeon_connector->hpd.hpd == RADEON_HPD_NONE) {
1554 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1556 connector->polled = DRM_CONNECTOR_POLL_HPD;
1557 connector->display_info.subpixel_order = subpixel_order;
1558 drm_sysfs_connector_add(connector);
1559 if (connector_type == DRM_MODE_CONNECTOR_LVDS) {
1560 struct drm_encoder *drm_encoder;
1562 list_for_each_entry(drm_encoder, &dev->mode_config.encoder_list, head) {
1563 struct radeon_encoder *radeon_encoder;
1565 radeon_encoder = to_radeon_encoder(drm_encoder);
1566 if (radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_LVDS)
1567 radeon_legacy_backlight_init(radeon_encoder, connector);
1573 drm_connector_cleanup(connector);