2 * Copyright (C) 2008 Maarten Maathuis.
5 * Permission is hereby granted, free of charge, to any person obtaining
6 * a copy of this software and associated documentation files (the
7 * "Software"), to deal in the Software without restriction, including
8 * without limitation the rights to use, copy, modify, merge, publish,
9 * distribute, sublicense, and/or sell copies of the Software, and to
10 * permit persons to whom the Software is furnished to do so, subject to
11 * the following conditions:
13 * The above copyright notice and this permission notice (including the
14 * next paragraph) shall be included in all copies or substantial
15 * portions of the Software.
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
20 * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
21 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
22 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
23 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
27 #include <acpi/button.h>
31 #include "drm_crtc_helper.h"
33 #include "nouveau_reg.h"
34 #include "nouveau_drv.h"
35 #include "nouveau_encoder.h"
36 #include "nouveau_crtc.h"
37 #include "nouveau_connector.h"
38 #include "nouveau_hw.h"
40 static void nouveau_connector_hotplug(void *, int);
42 static struct nouveau_encoder *
43 find_encoder_by_type(struct drm_connector *connector, int type)
45 struct drm_device *dev = connector->dev;
46 struct nouveau_encoder *nv_encoder;
47 struct drm_mode_object *obj;
50 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
51 id = connector->encoder_ids[i];
55 obj = drm_mode_object_find(dev, id, DRM_MODE_OBJECT_ENCODER);
58 nv_encoder = nouveau_encoder(obj_to_encoder(obj));
60 if (type == OUTPUT_ANY || nv_encoder->dcb->type == type)
67 struct nouveau_connector *
68 nouveau_encoder_connector_get(struct nouveau_encoder *encoder)
70 struct drm_device *dev = to_drm_encoder(encoder)->dev;
71 struct drm_connector *drm_connector;
73 list_for_each_entry(drm_connector, &dev->mode_config.connector_list, head) {
74 if (drm_connector->encoder == to_drm_encoder(encoder))
75 return nouveau_connector(drm_connector);
81 /*TODO: This could use improvement, and learn to handle the fixed
82 * BIOS tables etc. It's fine currently, for its only user.
85 nouveau_connector_bpp(struct drm_connector *connector)
87 struct nouveau_connector *nv_connector = nouveau_connector(connector);
89 if (nv_connector->edid && nv_connector->edid->revision >= 4) {
90 u8 bpc = ((nv_connector->edid->input & 0x70) >> 3) + 4;
99 nouveau_connector_destroy(struct drm_connector *connector)
101 struct nouveau_connector *nv_connector = nouveau_connector(connector);
102 struct drm_nouveau_private *dev_priv;
103 struct nouveau_gpio_engine *pgpio;
104 struct drm_device *dev;
109 dev = nv_connector->base.dev;
110 dev_priv = dev->dev_private;
111 NV_DEBUG_KMS(dev, "\n");
113 pgpio = &dev_priv->engine.gpio;
114 if (pgpio->irq_unregister) {
115 pgpio->irq_unregister(dev, nv_connector->dcb->gpio_tag,
116 nouveau_connector_hotplug, connector);
119 kfree(nv_connector->edid);
120 drm_sysfs_connector_remove(connector);
121 drm_connector_cleanup(connector);
125 static struct nouveau_i2c_chan *
126 nouveau_connector_ddc_detect(struct drm_connector *connector,
127 struct nouveau_encoder **pnv_encoder)
129 struct drm_device *dev = connector->dev;
132 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
133 struct nouveau_i2c_chan *i2c = NULL;
134 struct nouveau_encoder *nv_encoder;
135 struct drm_mode_object *obj;
138 id = connector->encoder_ids[i];
142 obj = drm_mode_object_find(dev, id, DRM_MODE_OBJECT_ENCODER);
145 nv_encoder = nouveau_encoder(obj_to_encoder(obj));
147 if (nv_encoder->dcb->i2c_index < 0xf)
148 i2c = nouveau_i2c_find(dev, nv_encoder->dcb->i2c_index);
150 if (i2c && nouveau_probe_i2c_addr(i2c, 0x50)) {
151 *pnv_encoder = nv_encoder;
159 static struct nouveau_encoder *
160 nouveau_connector_of_detect(struct drm_connector *connector)
163 struct drm_device *dev = connector->dev;
164 struct nouveau_connector *nv_connector = nouveau_connector(connector);
165 struct nouveau_encoder *nv_encoder;
166 struct device_node *cn, *dn = pci_device_to_OF_node(dev->pdev);
169 !((nv_encoder = find_encoder_by_type(connector, OUTPUT_TMDS)) ||
170 (nv_encoder = find_encoder_by_type(connector, OUTPUT_ANALOG))))
173 for_each_child_of_node(dn, cn) {
174 const char *name = of_get_property(cn, "name", NULL);
175 const void *edid = of_get_property(cn, "EDID", NULL);
176 int idx = name ? name[strlen(name) - 1] - 'A' : 0;
178 if (nv_encoder->dcb->i2c_index == idx && edid) {
180 kmemdup(edid, EDID_LENGTH, GFP_KERNEL);
190 nouveau_connector_set_encoder(struct drm_connector *connector,
191 struct nouveau_encoder *nv_encoder)
193 struct nouveau_connector *nv_connector = nouveau_connector(connector);
194 struct drm_nouveau_private *dev_priv = connector->dev->dev_private;
195 struct drm_device *dev = connector->dev;
197 if (nv_connector->detected_encoder == nv_encoder)
199 nv_connector->detected_encoder = nv_encoder;
201 if (nv_encoder->dcb->type == OUTPUT_LVDS ||
202 nv_encoder->dcb->type == OUTPUT_TMDS) {
203 connector->doublescan_allowed = false;
204 connector->interlace_allowed = false;
206 connector->doublescan_allowed = true;
207 if (dev_priv->card_type == NV_20 ||
208 (dev_priv->card_type == NV_10 &&
209 (dev->pci_device & 0x0ff0) != 0x0100 &&
210 (dev->pci_device & 0x0ff0) != 0x0150))
212 connector->interlace_allowed = false;
214 connector->interlace_allowed = true;
217 if (nv_connector->dcb->type == DCB_CONNECTOR_DVI_I) {
218 drm_connector_property_set_value(connector,
219 dev->mode_config.dvi_i_subconnector_property,
220 nv_encoder->dcb->type == OUTPUT_TMDS ?
221 DRM_MODE_SUBCONNECTOR_DVID :
222 DRM_MODE_SUBCONNECTOR_DVIA);
226 static enum drm_connector_status
227 nouveau_connector_detect(struct drm_connector *connector, bool force)
229 struct drm_device *dev = connector->dev;
230 struct nouveau_connector *nv_connector = nouveau_connector(connector);
231 struct nouveau_encoder *nv_encoder = NULL;
232 struct nouveau_i2c_chan *i2c;
235 /* Cleanup the previous EDID block. */
236 if (nv_connector->edid) {
237 drm_mode_connector_update_edid_property(connector, NULL);
238 kfree(nv_connector->edid);
239 nv_connector->edid = NULL;
242 i2c = nouveau_connector_ddc_detect(connector, &nv_encoder);
244 nv_connector->edid = drm_get_edid(connector, &i2c->adapter);
245 drm_mode_connector_update_edid_property(connector,
247 if (!nv_connector->edid) {
248 NV_ERROR(dev, "DDC responded, but no EDID for %s\n",
249 drm_get_connector_name(connector));
253 if (nv_encoder->dcb->type == OUTPUT_DP &&
254 !nouveau_dp_detect(to_drm_encoder(nv_encoder))) {
255 NV_ERROR(dev, "Detected %s, but failed init\n",
256 drm_get_connector_name(connector));
257 return connector_status_disconnected;
260 /* Override encoder type for DVI-I based on whether EDID
261 * says the display is digital or analog, both use the
262 * same i2c channel so the value returned from ddc_detect
263 * isn't necessarily correct.
265 if (nv_connector->dcb->type == DCB_CONNECTOR_DVI_I) {
266 if (nv_connector->edid->input & DRM_EDID_INPUT_DIGITAL)
269 type = OUTPUT_ANALOG;
271 nv_encoder = find_encoder_by_type(connector, type);
273 NV_ERROR(dev, "Detected %d encoder on %s, "
274 "but no object!\n", type,
275 drm_get_connector_name(connector));
276 return connector_status_disconnected;
280 nouveau_connector_set_encoder(connector, nv_encoder);
281 return connector_status_connected;
284 nv_encoder = nouveau_connector_of_detect(connector);
286 nouveau_connector_set_encoder(connector, nv_encoder);
287 return connector_status_connected;
291 nv_encoder = find_encoder_by_type(connector, OUTPUT_ANALOG);
292 if (!nv_encoder && !nouveau_tv_disable)
293 nv_encoder = find_encoder_by_type(connector, OUTPUT_TV);
294 if (nv_encoder && force) {
295 struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
296 struct drm_encoder_helper_funcs *helper =
297 encoder->helper_private;
299 if (helper->detect(encoder, connector) ==
300 connector_status_connected) {
301 nouveau_connector_set_encoder(connector, nv_encoder);
302 return connector_status_connected;
307 return connector_status_disconnected;
310 static enum drm_connector_status
311 nouveau_connector_detect_lvds(struct drm_connector *connector, bool force)
313 struct drm_device *dev = connector->dev;
314 struct drm_nouveau_private *dev_priv = dev->dev_private;
315 struct nouveau_connector *nv_connector = nouveau_connector(connector);
316 struct nouveau_encoder *nv_encoder = NULL;
317 enum drm_connector_status status = connector_status_disconnected;
319 /* Cleanup the previous EDID block. */
320 if (nv_connector->edid) {
321 drm_mode_connector_update_edid_property(connector, NULL);
322 kfree(nv_connector->edid);
323 nv_connector->edid = NULL;
326 nv_encoder = find_encoder_by_type(connector, OUTPUT_LVDS);
328 return connector_status_disconnected;
330 /* Try retrieving EDID via DDC */
331 if (!dev_priv->vbios.fp_no_ddc) {
332 status = nouveau_connector_detect(connector, force);
333 if (status == connector_status_connected)
337 /* On some laptops (Sony, i'm looking at you) there appears to
338 * be no direct way of accessing the panel's EDID. The only
339 * option available to us appears to be to ask ACPI for help..
341 * It's important this check's before trying straps, one of the
342 * said manufacturer's laptops are configured in such a way
343 * the nouveau decides an entry in the VBIOS FP mode table is
344 * valid - it's not (rh#613284)
346 if (nv_encoder->dcb->lvdsconf.use_acpi_for_edid) {
347 if (!nouveau_acpi_edid(dev, connector)) {
348 status = connector_status_connected;
353 /* If no EDID found above, and the VBIOS indicates a hardcoded
354 * modeline is avalilable for the panel, set it as the panel's
355 * native mode and exit.
357 if (nouveau_bios_fp_mode(dev, NULL) && (dev_priv->vbios.fp_no_ddc ||
358 nv_encoder->dcb->lvdsconf.use_straps_for_mode)) {
359 status = connector_status_connected;
363 /* Still nothing, some VBIOS images have a hardcoded EDID block
364 * stored for the panel stored in them.
366 if (!dev_priv->vbios.fp_no_ddc) {
368 (struct edid *)nouveau_bios_embedded_edid(dev);
370 nv_connector->edid = kmalloc(EDID_LENGTH, GFP_KERNEL);
371 *(nv_connector->edid) = *edid;
372 status = connector_status_connected;
377 #if defined(CONFIG_ACPI_BUTTON) || \
378 (defined(CONFIG_ACPI_BUTTON_MODULE) && defined(MODULE))
379 if (status == connector_status_connected &&
380 !nouveau_ignorelid && !acpi_lid_open())
381 status = connector_status_unknown;
384 drm_mode_connector_update_edid_property(connector, nv_connector->edid);
385 nouveau_connector_set_encoder(connector, nv_encoder);
390 nouveau_connector_force(struct drm_connector *connector)
392 struct nouveau_connector *nv_connector = nouveau_connector(connector);
393 struct nouveau_encoder *nv_encoder;
396 if (nv_connector->dcb->type == DCB_CONNECTOR_DVI_I) {
397 if (connector->force == DRM_FORCE_ON_DIGITAL)
400 type = OUTPUT_ANALOG;
404 nv_encoder = find_encoder_by_type(connector, type);
406 NV_ERROR(connector->dev, "can't find encoder to force %s on!\n",
407 drm_get_connector_name(connector));
408 connector->status = connector_status_disconnected;
412 nouveau_connector_set_encoder(connector, nv_encoder);
416 nouveau_connector_set_property(struct drm_connector *connector,
417 struct drm_property *property, uint64_t value)
419 struct nouveau_connector *nv_connector = nouveau_connector(connector);
420 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
421 struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
422 struct drm_device *dev = connector->dev;
426 if (property == dev->mode_config.scaling_mode_property) {
427 struct nouveau_crtc *nv_crtc = NULL;
428 bool modeset = false;
431 case DRM_MODE_SCALE_NONE:
432 case DRM_MODE_SCALE_FULLSCREEN:
433 case DRM_MODE_SCALE_CENTER:
434 case DRM_MODE_SCALE_ASPECT:
440 /* LVDS always needs gpu scaling */
441 if (nv_connector->dcb->type == DCB_CONNECTOR_LVDS &&
442 value == DRM_MODE_SCALE_NONE)
445 /* Changing between GPU and panel scaling requires a full
448 if ((nv_connector->scaling_mode == DRM_MODE_SCALE_NONE) ||
449 (value == DRM_MODE_SCALE_NONE))
451 nv_connector->scaling_mode = value;
453 if (connector->encoder && connector->encoder->crtc)
454 nv_crtc = nouveau_crtc(connector->encoder->crtc);
458 if (modeset || !nv_crtc->set_scale) {
459 ret = drm_crtc_helper_set_mode(&nv_crtc->base,
462 nv_crtc->base.y, NULL);
466 ret = nv_crtc->set_scale(nv_crtc, value, true);
475 if (property == dev->mode_config.dithering_mode_property) {
476 struct nouveau_crtc *nv_crtc = NULL;
478 if (value == DRM_MODE_DITHERING_ON)
479 nv_connector->use_dithering = true;
481 nv_connector->use_dithering = false;
483 if (connector->encoder && connector->encoder->crtc)
484 nv_crtc = nouveau_crtc(connector->encoder->crtc);
486 if (!nv_crtc || !nv_crtc->set_dither)
489 return nv_crtc->set_dither(nv_crtc, nv_connector->use_dithering,
493 if (nv_encoder && nv_encoder->dcb->type == OUTPUT_TV)
494 return get_slave_funcs(encoder)->set_property(
495 encoder, connector, property, value);
500 static struct drm_display_mode *
501 nouveau_connector_native_mode(struct drm_connector *connector)
503 struct drm_connector_helper_funcs *helper = connector->helper_private;
504 struct nouveau_connector *nv_connector = nouveau_connector(connector);
505 struct drm_device *dev = connector->dev;
506 struct drm_display_mode *mode, *largest = NULL;
507 int high_w = 0, high_h = 0, high_v = 0;
509 list_for_each_entry(mode, &nv_connector->base.probed_modes, head) {
510 mode->vrefresh = drm_mode_vrefresh(mode);
511 if (helper->mode_valid(connector, mode) != MODE_OK ||
512 (mode->flags & DRM_MODE_FLAG_INTERLACE))
515 /* Use preferred mode if there is one.. */
516 if (mode->type & DRM_MODE_TYPE_PREFERRED) {
517 NV_DEBUG_KMS(dev, "native mode from preferred\n");
518 return drm_mode_duplicate(dev, mode);
521 /* Otherwise, take the resolution with the largest width, then
522 * height, then vertical refresh
524 if (mode->hdisplay < high_w)
527 if (mode->hdisplay == high_w && mode->vdisplay < high_h)
530 if (mode->hdisplay == high_w && mode->vdisplay == high_h &&
531 mode->vrefresh < high_v)
534 high_w = mode->hdisplay;
535 high_h = mode->vdisplay;
536 high_v = mode->vrefresh;
540 NV_DEBUG_KMS(dev, "native mode from largest: %dx%d@%d\n",
541 high_w, high_h, high_v);
542 return largest ? drm_mode_duplicate(dev, largest) : NULL;
550 static struct moderec scaler_modes[] = {
569 nouveau_connector_scaler_modes_add(struct drm_connector *connector)
571 struct nouveau_connector *nv_connector = nouveau_connector(connector);
572 struct drm_display_mode *native = nv_connector->native_mode, *m;
573 struct drm_device *dev = connector->dev;
574 struct moderec *mode = &scaler_modes[0];
580 while (mode->hdisplay) {
581 if (mode->hdisplay <= native->hdisplay &&
582 mode->vdisplay <= native->vdisplay) {
583 m = drm_cvt_mode(dev, mode->hdisplay, mode->vdisplay,
584 drm_mode_vrefresh(native), false,
589 m->type |= DRM_MODE_TYPE_DRIVER;
591 drm_mode_probed_add(connector, m);
602 nouveau_connector_get_modes(struct drm_connector *connector)
604 struct drm_device *dev = connector->dev;
605 struct drm_nouveau_private *dev_priv = dev->dev_private;
606 struct nouveau_connector *nv_connector = nouveau_connector(connector);
607 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
608 struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
611 /* destroy the native mode, the attached monitor could have changed.
613 if (nv_connector->native_mode) {
614 drm_mode_destroy(dev, nv_connector->native_mode);
615 nv_connector->native_mode = NULL;
618 if (nv_connector->edid)
619 ret = drm_add_edid_modes(connector, nv_connector->edid);
621 if (nv_encoder->dcb->type == OUTPUT_LVDS &&
622 (nv_encoder->dcb->lvdsconf.use_straps_for_mode ||
623 dev_priv->vbios.fp_no_ddc) && nouveau_bios_fp_mode(dev, NULL)) {
624 struct drm_display_mode mode;
626 nouveau_bios_fp_mode(dev, &mode);
627 nv_connector->native_mode = drm_mode_duplicate(dev, &mode);
630 /* Find the native mode if this is a digital panel, if we didn't
631 * find any modes through DDC previously add the native mode to
634 if (!nv_connector->native_mode)
635 nv_connector->native_mode =
636 nouveau_connector_native_mode(connector);
637 if (ret == 0 && nv_connector->native_mode) {
638 struct drm_display_mode *mode;
640 mode = drm_mode_duplicate(dev, nv_connector->native_mode);
641 drm_mode_probed_add(connector, mode);
645 if (nv_encoder->dcb->type == OUTPUT_TV)
646 ret = get_slave_funcs(encoder)->get_modes(encoder, connector);
648 if (nv_connector->dcb->type == DCB_CONNECTOR_LVDS ||
649 nv_connector->dcb->type == DCB_CONNECTOR_eDP)
650 ret += nouveau_connector_scaler_modes_add(connector);
656 get_tmds_link_bandwidth(struct drm_connector *connector)
658 struct nouveau_connector *nv_connector = nouveau_connector(connector);
659 struct drm_nouveau_private *dev_priv = connector->dev->dev_private;
660 struct dcb_entry *dcb = nv_connector->detected_encoder->dcb;
662 if (dcb->location != DCB_LOC_ON_CHIP ||
663 dev_priv->chipset >= 0x46)
665 else if (dev_priv->chipset >= 0x40)
667 else if (dev_priv->chipset >= 0x18)
674 nouveau_connector_mode_valid(struct drm_connector *connector,
675 struct drm_display_mode *mode)
677 struct nouveau_connector *nv_connector = nouveau_connector(connector);
678 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
679 struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
680 unsigned min_clock = 25000, max_clock = min_clock;
681 unsigned clock = mode->clock;
683 switch (nv_encoder->dcb->type) {
685 if (nv_connector->native_mode &&
686 (mode->hdisplay > nv_connector->native_mode->hdisplay ||
687 mode->vdisplay > nv_connector->native_mode->vdisplay))
694 max_clock = get_tmds_link_bandwidth(connector);
695 if (nouveau_duallink && nv_encoder->dcb->duallink_possible)
699 max_clock = nv_encoder->dcb->crtconf.maxfreq;
704 return get_slave_funcs(encoder)->mode_valid(encoder, mode);
706 if (nv_encoder->dp.link_bw == DP_LINK_BW_2_7)
707 max_clock = nv_encoder->dp.link_nr * 270000;
709 max_clock = nv_encoder->dp.link_nr * 162000;
711 clock = clock * nouveau_connector_bpp(connector) / 8;
718 if (clock < min_clock)
719 return MODE_CLOCK_LOW;
721 if (clock > max_clock)
722 return MODE_CLOCK_HIGH;
727 static struct drm_encoder *
728 nouveau_connector_best_encoder(struct drm_connector *connector)
730 struct nouveau_connector *nv_connector = nouveau_connector(connector);
732 if (nv_connector->detected_encoder)
733 return to_drm_encoder(nv_connector->detected_encoder);
738 static const struct drm_connector_helper_funcs
739 nouveau_connector_helper_funcs = {
740 .get_modes = nouveau_connector_get_modes,
741 .mode_valid = nouveau_connector_mode_valid,
742 .best_encoder = nouveau_connector_best_encoder,
745 static const struct drm_connector_funcs
746 nouveau_connector_funcs = {
747 .dpms = drm_helper_connector_dpms,
750 .detect = nouveau_connector_detect,
751 .destroy = nouveau_connector_destroy,
752 .fill_modes = drm_helper_probe_single_connector_modes,
753 .set_property = nouveau_connector_set_property,
754 .force = nouveau_connector_force
757 static const struct drm_connector_funcs
758 nouveau_connector_funcs_lvds = {
759 .dpms = drm_helper_connector_dpms,
762 .detect = nouveau_connector_detect_lvds,
763 .destroy = nouveau_connector_destroy,
764 .fill_modes = drm_helper_probe_single_connector_modes,
765 .set_property = nouveau_connector_set_property,
766 .force = nouveau_connector_force
769 struct drm_connector *
770 nouveau_connector_create(struct drm_device *dev, int index)
772 const struct drm_connector_funcs *funcs = &nouveau_connector_funcs;
773 struct drm_nouveau_private *dev_priv = dev->dev_private;
774 struct nouveau_gpio_engine *pgpio = &dev_priv->engine.gpio;
775 struct nouveau_connector *nv_connector = NULL;
776 struct dcb_connector_table_entry *dcb = NULL;
777 struct drm_connector *connector;
780 NV_DEBUG_KMS(dev, "\n");
782 if (index >= dev_priv->vbios.dcb.connector.entries)
783 return ERR_PTR(-EINVAL);
785 dcb = &dev_priv->vbios.dcb.connector.entry[index];
790 case DCB_CONNECTOR_VGA:
791 type = DRM_MODE_CONNECTOR_VGA;
793 case DCB_CONNECTOR_TV_0:
794 case DCB_CONNECTOR_TV_1:
795 case DCB_CONNECTOR_TV_3:
796 type = DRM_MODE_CONNECTOR_TV;
798 case DCB_CONNECTOR_DVI_I:
799 type = DRM_MODE_CONNECTOR_DVII;
801 case DCB_CONNECTOR_DVI_D:
802 type = DRM_MODE_CONNECTOR_DVID;
804 case DCB_CONNECTOR_HDMI_0:
805 case DCB_CONNECTOR_HDMI_1:
806 type = DRM_MODE_CONNECTOR_HDMIA;
808 case DCB_CONNECTOR_LVDS:
809 type = DRM_MODE_CONNECTOR_LVDS;
810 funcs = &nouveau_connector_funcs_lvds;
812 case DCB_CONNECTOR_DP:
813 type = DRM_MODE_CONNECTOR_DisplayPort;
815 case DCB_CONNECTOR_eDP:
816 type = DRM_MODE_CONNECTOR_eDP;
819 NV_ERROR(dev, "unknown connector type: 0x%02x!!\n", dcb->type);
820 return ERR_PTR(-EINVAL);
823 nv_connector = kzalloc(sizeof(*nv_connector), GFP_KERNEL);
825 return ERR_PTR(-ENOMEM);
826 nv_connector->dcb = dcb;
827 connector = &nv_connector->base;
829 /* defaults, will get overridden in detect() */
830 connector->interlace_allowed = false;
831 connector->doublescan_allowed = false;
833 drm_connector_init(dev, connector, funcs, type);
834 drm_connector_helper_add(connector, &nouveau_connector_helper_funcs);
836 /* Check if we need dithering enabled */
837 if (dcb->type == DCB_CONNECTOR_LVDS) {
838 bool dummy, is_24bit = false;
840 ret = nouveau_bios_parse_lvds_table(dev, 0, &dummy, &is_24bit);
842 NV_ERROR(dev, "Error parsing LVDS table, disabling "
847 nv_connector->use_dithering = !is_24bit;
850 /* Init DVI-I specific properties */
851 if (dcb->type == DCB_CONNECTOR_DVI_I) {
852 drm_mode_create_dvi_i_properties(dev);
853 drm_connector_attach_property(connector, dev->mode_config.dvi_i_subconnector_property, 0);
854 drm_connector_attach_property(connector, dev->mode_config.dvi_i_select_subconnector_property, 0);
858 case DCB_CONNECTOR_VGA:
859 if (dev_priv->card_type >= NV_50) {
860 drm_connector_attach_property(connector,
861 dev->mode_config.scaling_mode_property,
862 nv_connector->scaling_mode);
864 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
866 case DCB_CONNECTOR_TV_0:
867 case DCB_CONNECTOR_TV_1:
868 case DCB_CONNECTOR_TV_3:
869 nv_connector->scaling_mode = DRM_MODE_SCALE_NONE;
872 nv_connector->scaling_mode = DRM_MODE_SCALE_FULLSCREEN;
874 drm_connector_attach_property(connector,
875 dev->mode_config.scaling_mode_property,
876 nv_connector->scaling_mode);
877 drm_connector_attach_property(connector,
878 dev->mode_config.dithering_mode_property,
879 nv_connector->use_dithering ?
880 DRM_MODE_DITHERING_ON : DRM_MODE_DITHERING_OFF);
882 if (dcb->type != DCB_CONNECTOR_LVDS) {
883 if (dev_priv->card_type >= NV_50)
884 connector->polled = DRM_CONNECTOR_POLL_HPD;
886 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
891 if (pgpio->irq_register) {
892 pgpio->irq_register(dev, nv_connector->dcb->gpio_tag,
893 nouveau_connector_hotplug, connector);
896 drm_sysfs_connector_add(connector);
897 dcb->drm = connector;
901 drm_connector_cleanup(connector);
908 nouveau_connector_hotplug(void *data, int plugged)
910 struct drm_connector *connector = data;
911 struct drm_device *dev = connector->dev;
913 NV_INFO(dev, "%splugged %s\n", plugged ? "" : "un",
914 drm_get_connector_name(connector));
916 if (connector->encoder && connector->encoder->crtc &&
917 connector->encoder->crtc->enabled) {
918 struct nouveau_encoder *nv_encoder = nouveau_encoder(connector->encoder);
919 struct drm_encoder_helper_funcs *helper =
920 connector->encoder->helper_private;
922 if (nv_encoder->dcb->type == OUTPUT_DP) {
924 helper->dpms(connector->encoder, DRM_MODE_DPMS_ON);
926 helper->dpms(connector->encoder, DRM_MODE_DPMS_OFF);
930 drm_helper_hpd_irq_event(dev);