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_gpio.h"
39 #include "nouveau_hw.h"
41 static void nouveau_connector_hotplug(void *, int);
43 struct nouveau_encoder *
44 find_encoder(struct drm_connector *connector, int type)
46 struct drm_device *dev = connector->dev;
47 struct nouveau_encoder *nv_encoder;
48 struct drm_mode_object *obj;
51 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
52 id = connector->encoder_ids[i];
56 obj = drm_mode_object_find(dev, id, DRM_MODE_OBJECT_ENCODER);
59 nv_encoder = nouveau_encoder(obj_to_encoder(obj));
61 if (type == OUTPUT_ANY || nv_encoder->dcb->type == type)
68 struct nouveau_connector *
69 nouveau_encoder_connector_get(struct nouveau_encoder *encoder)
71 struct drm_device *dev = to_drm_encoder(encoder)->dev;
72 struct drm_connector *drm_connector;
74 list_for_each_entry(drm_connector, &dev->mode_config.connector_list, head) {
75 if (drm_connector->encoder == to_drm_encoder(encoder))
76 return nouveau_connector(drm_connector);
83 nouveau_connector_destroy(struct drm_connector *connector)
85 struct nouveau_connector *nv_connector = nouveau_connector(connector);
86 struct drm_nouveau_private *dev_priv;
87 struct drm_device *dev;
92 dev = nv_connector->base.dev;
93 dev_priv = dev->dev_private;
94 NV_DEBUG_KMS(dev, "\n");
96 if (nv_connector->hpd != DCB_GPIO_UNUSED) {
97 nouveau_gpio_isr_del(dev, 0, nv_connector->hpd, 0xff,
98 nouveau_connector_hotplug, connector);
101 kfree(nv_connector->edid);
102 drm_sysfs_connector_remove(connector);
103 drm_connector_cleanup(connector);
107 static struct nouveau_i2c_chan *
108 nouveau_connector_ddc_detect(struct drm_connector *connector,
109 struct nouveau_encoder **pnv_encoder)
111 struct drm_device *dev = connector->dev;
114 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
115 struct nouveau_i2c_chan *i2c = NULL;
116 struct nouveau_encoder *nv_encoder;
117 struct drm_mode_object *obj;
120 id = connector->encoder_ids[i];
124 obj = drm_mode_object_find(dev, id, DRM_MODE_OBJECT_ENCODER);
127 nv_encoder = nouveau_encoder(obj_to_encoder(obj));
129 if (nv_encoder->dcb->i2c_index < 0xf)
130 i2c = nouveau_i2c_find(dev, nv_encoder->dcb->i2c_index);
132 if (i2c && nouveau_probe_i2c_addr(i2c, 0x50)) {
133 *pnv_encoder = nv_encoder;
141 static struct nouveau_encoder *
142 nouveau_connector_of_detect(struct drm_connector *connector)
145 struct drm_device *dev = connector->dev;
146 struct nouveau_connector *nv_connector = nouveau_connector(connector);
147 struct nouveau_encoder *nv_encoder;
148 struct device_node *cn, *dn = pci_device_to_OF_node(dev->pdev);
151 !((nv_encoder = find_encoder(connector, OUTPUT_TMDS)) ||
152 (nv_encoder = find_encoder(connector, OUTPUT_ANALOG))))
155 for_each_child_of_node(dn, cn) {
156 const char *name = of_get_property(cn, "name", NULL);
157 const void *edid = of_get_property(cn, "EDID", NULL);
158 int idx = name ? name[strlen(name) - 1] - 'A' : 0;
160 if (nv_encoder->dcb->i2c_index == idx && edid) {
162 kmemdup(edid, EDID_LENGTH, GFP_KERNEL);
172 nouveau_connector_set_encoder(struct drm_connector *connector,
173 struct nouveau_encoder *nv_encoder)
175 struct nouveau_connector *nv_connector = nouveau_connector(connector);
176 struct drm_nouveau_private *dev_priv = connector->dev->dev_private;
177 struct drm_device *dev = connector->dev;
179 if (nv_connector->detected_encoder == nv_encoder)
181 nv_connector->detected_encoder = nv_encoder;
183 if (dev_priv->card_type >= NV_50) {
184 connector->interlace_allowed = true;
185 connector->doublescan_allowed = true;
187 if (nv_encoder->dcb->type == OUTPUT_LVDS ||
188 nv_encoder->dcb->type == OUTPUT_TMDS) {
189 connector->doublescan_allowed = false;
190 connector->interlace_allowed = false;
192 connector->doublescan_allowed = true;
193 if (dev_priv->card_type == NV_20 ||
194 (dev_priv->card_type == NV_10 &&
195 (dev->pci_device & 0x0ff0) != 0x0100 &&
196 (dev->pci_device & 0x0ff0) != 0x0150))
198 connector->interlace_allowed = false;
200 connector->interlace_allowed = true;
203 if (nv_connector->type == DCB_CONNECTOR_DVI_I) {
204 drm_connector_property_set_value(connector,
205 dev->mode_config.dvi_i_subconnector_property,
206 nv_encoder->dcb->type == OUTPUT_TMDS ?
207 DRM_MODE_SUBCONNECTOR_DVID :
208 DRM_MODE_SUBCONNECTOR_DVIA);
212 static enum drm_connector_status
213 nouveau_connector_detect(struct drm_connector *connector, bool force)
215 struct drm_device *dev = connector->dev;
216 struct nouveau_connector *nv_connector = nouveau_connector(connector);
217 struct nouveau_encoder *nv_encoder = NULL;
218 struct nouveau_encoder *nv_partner;
219 struct nouveau_i2c_chan *i2c;
222 /* Cleanup the previous EDID block. */
223 if (nv_connector->edid) {
224 drm_mode_connector_update_edid_property(connector, NULL);
225 kfree(nv_connector->edid);
226 nv_connector->edid = NULL;
229 i2c = nouveau_connector_ddc_detect(connector, &nv_encoder);
231 nv_connector->edid = drm_get_edid(connector, &i2c->adapter);
232 drm_mode_connector_update_edid_property(connector,
234 if (!nv_connector->edid) {
235 NV_ERROR(dev, "DDC responded, but no EDID for %s\n",
236 drm_get_connector_name(connector));
240 if (nv_encoder->dcb->type == OUTPUT_DP &&
241 !nouveau_dp_detect(to_drm_encoder(nv_encoder))) {
242 NV_ERROR(dev, "Detected %s, but failed init\n",
243 drm_get_connector_name(connector));
244 return connector_status_disconnected;
247 /* Override encoder type for DVI-I based on whether EDID
248 * says the display is digital or analog, both use the
249 * same i2c channel so the value returned from ddc_detect
250 * isn't necessarily correct.
253 if (nv_encoder->dcb->type == OUTPUT_TMDS)
254 nv_partner = find_encoder(connector, OUTPUT_ANALOG);
255 if (nv_encoder->dcb->type == OUTPUT_ANALOG)
256 nv_partner = find_encoder(connector, OUTPUT_TMDS);
258 if (nv_partner && ((nv_encoder->dcb->type == OUTPUT_ANALOG &&
259 nv_partner->dcb->type == OUTPUT_TMDS) ||
260 (nv_encoder->dcb->type == OUTPUT_TMDS &&
261 nv_partner->dcb->type == OUTPUT_ANALOG))) {
262 if (nv_connector->edid->input & DRM_EDID_INPUT_DIGITAL)
265 type = OUTPUT_ANALOG;
267 nv_encoder = find_encoder(connector, type);
270 nouveau_connector_set_encoder(connector, nv_encoder);
271 return connector_status_connected;
274 nv_encoder = nouveau_connector_of_detect(connector);
276 nouveau_connector_set_encoder(connector, nv_encoder);
277 return connector_status_connected;
281 nv_encoder = find_encoder(connector, OUTPUT_ANALOG);
282 if (!nv_encoder && !nouveau_tv_disable)
283 nv_encoder = find_encoder(connector, OUTPUT_TV);
284 if (nv_encoder && force) {
285 struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
286 struct drm_encoder_helper_funcs *helper =
287 encoder->helper_private;
289 if (helper->detect(encoder, connector) ==
290 connector_status_connected) {
291 nouveau_connector_set_encoder(connector, nv_encoder);
292 return connector_status_connected;
297 return connector_status_disconnected;
300 static enum drm_connector_status
301 nouveau_connector_detect_lvds(struct drm_connector *connector, bool force)
303 struct drm_device *dev = connector->dev;
304 struct drm_nouveau_private *dev_priv = dev->dev_private;
305 struct nouveau_connector *nv_connector = nouveau_connector(connector);
306 struct nouveau_encoder *nv_encoder = NULL;
307 enum drm_connector_status status = connector_status_disconnected;
309 /* Cleanup the previous EDID block. */
310 if (nv_connector->edid) {
311 drm_mode_connector_update_edid_property(connector, NULL);
312 kfree(nv_connector->edid);
313 nv_connector->edid = NULL;
316 nv_encoder = find_encoder(connector, OUTPUT_LVDS);
318 return connector_status_disconnected;
320 /* Try retrieving EDID via DDC */
321 if (!dev_priv->vbios.fp_no_ddc) {
322 status = nouveau_connector_detect(connector, force);
323 if (status == connector_status_connected)
327 /* On some laptops (Sony, i'm looking at you) there appears to
328 * be no direct way of accessing the panel's EDID. The only
329 * option available to us appears to be to ask ACPI for help..
331 * It's important this check's before trying straps, one of the
332 * said manufacturer's laptops are configured in such a way
333 * the nouveau decides an entry in the VBIOS FP mode table is
334 * valid - it's not (rh#613284)
336 if (nv_encoder->dcb->lvdsconf.use_acpi_for_edid) {
337 if (!nouveau_acpi_edid(dev, connector)) {
338 status = connector_status_connected;
343 /* If no EDID found above, and the VBIOS indicates a hardcoded
344 * modeline is avalilable for the panel, set it as the panel's
345 * native mode and exit.
347 if (nouveau_bios_fp_mode(dev, NULL) && (dev_priv->vbios.fp_no_ddc ||
348 nv_encoder->dcb->lvdsconf.use_straps_for_mode)) {
349 status = connector_status_connected;
353 /* Still nothing, some VBIOS images have a hardcoded EDID block
354 * stored for the panel stored in them.
356 if (!dev_priv->vbios.fp_no_ddc) {
358 (struct edid *)nouveau_bios_embedded_edid(dev);
360 nv_connector->edid = kmalloc(EDID_LENGTH, GFP_KERNEL);
361 *(nv_connector->edid) = *edid;
362 status = connector_status_connected;
367 #if defined(CONFIG_ACPI_BUTTON) || \
368 (defined(CONFIG_ACPI_BUTTON_MODULE) && defined(MODULE))
369 if (status == connector_status_connected &&
370 !nouveau_ignorelid && !acpi_lid_open())
371 status = connector_status_unknown;
374 drm_mode_connector_update_edid_property(connector, nv_connector->edid);
375 nouveau_connector_set_encoder(connector, nv_encoder);
380 nouveau_connector_force(struct drm_connector *connector)
382 struct nouveau_connector *nv_connector = nouveau_connector(connector);
383 struct nouveau_encoder *nv_encoder;
386 if (nv_connector->type == DCB_CONNECTOR_DVI_I) {
387 if (connector->force == DRM_FORCE_ON_DIGITAL)
390 type = OUTPUT_ANALOG;
394 nv_encoder = find_encoder(connector, type);
396 NV_ERROR(connector->dev, "can't find encoder to force %s on!\n",
397 drm_get_connector_name(connector));
398 connector->status = connector_status_disconnected;
402 nouveau_connector_set_encoder(connector, nv_encoder);
406 nouveau_connector_set_property(struct drm_connector *connector,
407 struct drm_property *property, uint64_t value)
409 struct drm_nouveau_private *dev_priv = connector->dev->dev_private;
410 struct nouveau_display_engine *disp = &dev_priv->engine.display;
411 struct nouveau_connector *nv_connector = nouveau_connector(connector);
412 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
413 struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
414 struct drm_device *dev = connector->dev;
415 struct nouveau_crtc *nv_crtc;
419 if (connector->encoder && connector->encoder->crtc)
420 nv_crtc = nouveau_crtc(connector->encoder->crtc);
423 if (property == dev->mode_config.scaling_mode_property) {
424 bool modeset = false;
427 case DRM_MODE_SCALE_NONE:
428 case DRM_MODE_SCALE_FULLSCREEN:
429 case DRM_MODE_SCALE_CENTER:
430 case DRM_MODE_SCALE_ASPECT:
436 /* LVDS always needs gpu scaling */
437 if (connector->connector_type == DRM_MODE_CONNECTOR_LVDS &&
438 value == DRM_MODE_SCALE_NONE)
441 /* Changing between GPU and panel scaling requires a full
444 if ((nv_connector->scaling_mode == DRM_MODE_SCALE_NONE) ||
445 (value == DRM_MODE_SCALE_NONE))
447 nv_connector->scaling_mode = value;
452 if (modeset || !nv_crtc->set_scale) {
453 ret = drm_crtc_helper_set_mode(&nv_crtc->base,
456 nv_crtc->base.y, NULL);
460 ret = nv_crtc->set_scale(nv_crtc, true);
469 if (property == disp->underscan_property) {
470 if (nv_connector->underscan != value) {
471 nv_connector->underscan = value;
472 if (!nv_crtc || !nv_crtc->set_scale)
475 return nv_crtc->set_scale(nv_crtc, true);
481 if (property == disp->underscan_hborder_property) {
482 if (nv_connector->underscan_hborder != value) {
483 nv_connector->underscan_hborder = value;
484 if (!nv_crtc || !nv_crtc->set_scale)
487 return nv_crtc->set_scale(nv_crtc, true);
493 if (property == disp->underscan_vborder_property) {
494 if (nv_connector->underscan_vborder != value) {
495 nv_connector->underscan_vborder = value;
496 if (!nv_crtc || !nv_crtc->set_scale)
499 return nv_crtc->set_scale(nv_crtc, true);
506 if (property == disp->dithering_mode) {
507 nv_connector->dithering_mode = value;
508 if (!nv_crtc || !nv_crtc->set_dither)
511 return nv_crtc->set_dither(nv_crtc, true);
514 if (property == disp->dithering_depth) {
515 nv_connector->dithering_depth = value;
516 if (!nv_crtc || !nv_crtc->set_dither)
519 return nv_crtc->set_dither(nv_crtc, true);
522 if (nv_encoder && nv_encoder->dcb->type == OUTPUT_TV)
523 return get_slave_funcs(encoder)->set_property(
524 encoder, connector, property, value);
529 static struct drm_display_mode *
530 nouveau_connector_native_mode(struct drm_connector *connector)
532 struct drm_connector_helper_funcs *helper = connector->helper_private;
533 struct nouveau_connector *nv_connector = nouveau_connector(connector);
534 struct drm_device *dev = connector->dev;
535 struct drm_display_mode *mode, *largest = NULL;
536 int high_w = 0, high_h = 0, high_v = 0;
538 list_for_each_entry(mode, &nv_connector->base.probed_modes, head) {
539 mode->vrefresh = drm_mode_vrefresh(mode);
540 if (helper->mode_valid(connector, mode) != MODE_OK ||
541 (mode->flags & DRM_MODE_FLAG_INTERLACE))
544 /* Use preferred mode if there is one.. */
545 if (mode->type & DRM_MODE_TYPE_PREFERRED) {
546 NV_DEBUG_KMS(dev, "native mode from preferred\n");
547 return drm_mode_duplicate(dev, mode);
550 /* Otherwise, take the resolution with the largest width, then
551 * height, then vertical refresh
553 if (mode->hdisplay < high_w)
556 if (mode->hdisplay == high_w && mode->vdisplay < high_h)
559 if (mode->hdisplay == high_w && mode->vdisplay == high_h &&
560 mode->vrefresh < high_v)
563 high_w = mode->hdisplay;
564 high_h = mode->vdisplay;
565 high_v = mode->vrefresh;
569 NV_DEBUG_KMS(dev, "native mode from largest: %dx%d@%d\n",
570 high_w, high_h, high_v);
571 return largest ? drm_mode_duplicate(dev, largest) : NULL;
579 static struct moderec scaler_modes[] = {
598 nouveau_connector_scaler_modes_add(struct drm_connector *connector)
600 struct nouveau_connector *nv_connector = nouveau_connector(connector);
601 struct drm_display_mode *native = nv_connector->native_mode, *m;
602 struct drm_device *dev = connector->dev;
603 struct moderec *mode = &scaler_modes[0];
609 while (mode->hdisplay) {
610 if (mode->hdisplay <= native->hdisplay &&
611 mode->vdisplay <= native->vdisplay) {
612 m = drm_cvt_mode(dev, mode->hdisplay, mode->vdisplay,
613 drm_mode_vrefresh(native), false,
618 m->type |= DRM_MODE_TYPE_DRIVER;
620 drm_mode_probed_add(connector, m);
631 nouveau_connector_detect_depth(struct drm_connector *connector)
633 struct drm_nouveau_private *dev_priv = connector->dev->dev_private;
634 struct nouveau_connector *nv_connector = nouveau_connector(connector);
635 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
636 struct nvbios *bios = &dev_priv->vbios;
637 struct drm_display_mode *mode = nv_connector->native_mode;
640 /* if the edid is feeling nice enough to provide this info, use it */
641 if (nv_connector->edid && connector->display_info.bpc)
644 /* if not, we're out of options unless we're LVDS, default to 6bpc */
645 connector->display_info.bpc = 6;
646 if (nv_encoder->dcb->type != OUTPUT_LVDS)
649 /* LVDS: panel straps */
650 if (bios->fp_no_ddc) {
651 if (bios->fp.if_is_24bit)
652 connector->display_info.bpc = 8;
656 /* LVDS: DDC panel, need to first determine the number of links to
657 * know which if_is_24bit flag to check...
659 if (nv_connector->edid &&
660 nv_connector->type == DCB_CONNECTOR_LVDS_SPWG)
661 duallink = ((u8 *)nv_connector->edid)[121] == 2;
663 duallink = mode->clock >= bios->fp.duallink_transition_clk;
665 if ((!duallink && (bios->fp.strapless_is_24bit & 1)) ||
666 ( duallink && (bios->fp.strapless_is_24bit & 2)))
667 connector->display_info.bpc = 8;
671 nouveau_connector_get_modes(struct drm_connector *connector)
673 struct drm_device *dev = connector->dev;
674 struct drm_nouveau_private *dev_priv = dev->dev_private;
675 struct nouveau_connector *nv_connector = nouveau_connector(connector);
676 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
677 struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
680 /* destroy the native mode, the attached monitor could have changed.
682 if (nv_connector->native_mode) {
683 drm_mode_destroy(dev, nv_connector->native_mode);
684 nv_connector->native_mode = NULL;
687 if (nv_connector->edid)
688 ret = drm_add_edid_modes(connector, nv_connector->edid);
690 if (nv_encoder->dcb->type == OUTPUT_LVDS &&
691 (nv_encoder->dcb->lvdsconf.use_straps_for_mode ||
692 dev_priv->vbios.fp_no_ddc) && nouveau_bios_fp_mode(dev, NULL)) {
693 struct drm_display_mode mode;
695 nouveau_bios_fp_mode(dev, &mode);
696 nv_connector->native_mode = drm_mode_duplicate(dev, &mode);
699 /* Determine display colour depth for everything except LVDS now,
700 * DP requires this before mode_valid() is called.
702 if (connector->connector_type != DRM_MODE_CONNECTOR_LVDS)
703 nouveau_connector_detect_depth(connector);
705 /* Find the native mode if this is a digital panel, if we didn't
706 * find any modes through DDC previously add the native mode to
709 if (!nv_connector->native_mode)
710 nv_connector->native_mode =
711 nouveau_connector_native_mode(connector);
712 if (ret == 0 && nv_connector->native_mode) {
713 struct drm_display_mode *mode;
715 mode = drm_mode_duplicate(dev, nv_connector->native_mode);
716 drm_mode_probed_add(connector, mode);
720 /* Determine LVDS colour depth, must happen after determining
721 * "native" mode as some VBIOS tables require us to use the
722 * pixel clock as part of the lookup...
724 if (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)
725 nouveau_connector_detect_depth(connector);
727 if (nv_encoder->dcb->type == OUTPUT_TV)
728 ret = get_slave_funcs(encoder)->get_modes(encoder, connector);
730 if (nv_connector->type == DCB_CONNECTOR_LVDS ||
731 nv_connector->type == DCB_CONNECTOR_LVDS_SPWG ||
732 nv_connector->type == DCB_CONNECTOR_eDP)
733 ret += nouveau_connector_scaler_modes_add(connector);
739 get_tmds_link_bandwidth(struct drm_connector *connector)
741 struct nouveau_connector *nv_connector = nouveau_connector(connector);
742 struct drm_nouveau_private *dev_priv = connector->dev->dev_private;
743 struct dcb_entry *dcb = nv_connector->detected_encoder->dcb;
745 if (dcb->location != DCB_LOC_ON_CHIP ||
746 dev_priv->chipset >= 0x46)
748 else if (dev_priv->chipset >= 0x40)
750 else if (dev_priv->chipset >= 0x18)
757 nouveau_connector_mode_valid(struct drm_connector *connector,
758 struct drm_display_mode *mode)
760 struct nouveau_connector *nv_connector = nouveau_connector(connector);
761 struct nouveau_encoder *nv_encoder = nv_connector->detected_encoder;
762 struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
763 unsigned min_clock = 25000, max_clock = min_clock;
764 unsigned clock = mode->clock;
766 switch (nv_encoder->dcb->type) {
768 if (nv_connector->native_mode &&
769 (mode->hdisplay > nv_connector->native_mode->hdisplay ||
770 mode->vdisplay > nv_connector->native_mode->vdisplay))
777 max_clock = get_tmds_link_bandwidth(connector);
778 if (nouveau_duallink && nv_encoder->dcb->duallink_possible)
782 max_clock = nv_encoder->dcb->crtconf.maxfreq;
787 return get_slave_funcs(encoder)->mode_valid(encoder, mode);
789 max_clock = nv_encoder->dp.link_nr;
790 max_clock *= nv_encoder->dp.link_bw;
791 clock = clock * (connector->display_info.bpc * 3) / 10;
798 if (clock < min_clock)
799 return MODE_CLOCK_LOW;
801 if (clock > max_clock)
802 return MODE_CLOCK_HIGH;
807 static struct drm_encoder *
808 nouveau_connector_best_encoder(struct drm_connector *connector)
810 struct nouveau_connector *nv_connector = nouveau_connector(connector);
812 if (nv_connector->detected_encoder)
813 return to_drm_encoder(nv_connector->detected_encoder);
818 static const struct drm_connector_helper_funcs
819 nouveau_connector_helper_funcs = {
820 .get_modes = nouveau_connector_get_modes,
821 .mode_valid = nouveau_connector_mode_valid,
822 .best_encoder = nouveau_connector_best_encoder,
825 static const struct drm_connector_funcs
826 nouveau_connector_funcs = {
827 .dpms = drm_helper_connector_dpms,
830 .detect = nouveau_connector_detect,
831 .destroy = nouveau_connector_destroy,
832 .fill_modes = drm_helper_probe_single_connector_modes,
833 .set_property = nouveau_connector_set_property,
834 .force = nouveau_connector_force
837 static const struct drm_connector_funcs
838 nouveau_connector_funcs_lvds = {
839 .dpms = drm_helper_connector_dpms,
842 .detect = nouveau_connector_detect_lvds,
843 .destroy = nouveau_connector_destroy,
844 .fill_modes = drm_helper_probe_single_connector_modes,
845 .set_property = nouveau_connector_set_property,
846 .force = nouveau_connector_force
850 drm_conntype_from_dcb(enum dcb_connector_type dcb)
853 case DCB_CONNECTOR_VGA : return DRM_MODE_CONNECTOR_VGA;
854 case DCB_CONNECTOR_TV_0 :
855 case DCB_CONNECTOR_TV_1 :
856 case DCB_CONNECTOR_TV_3 : return DRM_MODE_CONNECTOR_TV;
857 case DCB_CONNECTOR_DVI_I : return DRM_MODE_CONNECTOR_DVII;
858 case DCB_CONNECTOR_DVI_D : return DRM_MODE_CONNECTOR_DVID;
859 case DCB_CONNECTOR_LVDS :
860 case DCB_CONNECTOR_LVDS_SPWG: return DRM_MODE_CONNECTOR_LVDS;
861 case DCB_CONNECTOR_DP : return DRM_MODE_CONNECTOR_DisplayPort;
862 case DCB_CONNECTOR_eDP : return DRM_MODE_CONNECTOR_eDP;
863 case DCB_CONNECTOR_HDMI_0 :
864 case DCB_CONNECTOR_HDMI_1 : return DRM_MODE_CONNECTOR_HDMIA;
869 return DRM_MODE_CONNECTOR_Unknown;
872 struct drm_connector *
873 nouveau_connector_create(struct drm_device *dev, int index)
875 const struct drm_connector_funcs *funcs = &nouveau_connector_funcs;
876 struct drm_nouveau_private *dev_priv = dev->dev_private;
877 struct nouveau_display_engine *disp = &dev_priv->engine.display;
878 struct nouveau_connector *nv_connector = NULL;
879 struct drm_connector *connector;
883 NV_DEBUG_KMS(dev, "\n");
885 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
886 nv_connector = nouveau_connector(connector);
887 if (nv_connector->index == index)
891 nv_connector = kzalloc(sizeof(*nv_connector), GFP_KERNEL);
893 return ERR_PTR(-ENOMEM);
895 connector = &nv_connector->base;
896 nv_connector->index = index;
898 /* attempt to parse vbios connector type and hotplug gpio */
899 nv_connector->dcb = dcb_conn(dev, index);
900 if (nv_connector->dcb) {
901 static const u8 hpd[16] = {
902 0xff, 0x07, 0x08, 0xff, 0xff, 0x51, 0x52, 0xff,
903 0xff, 0xff, 0xff, 0xff, 0xff, 0x5e, 0x5f, 0x60,
906 u32 entry = ROM16(nv_connector->dcb[0]);
907 if (dcb_conntab(dev)[3] >= 4)
908 entry |= (u32)ROM16(nv_connector->dcb[2]) << 16;
910 nv_connector->hpd = ffs((entry & 0x07033000) >> 12);
911 nv_connector->hpd = hpd[nv_connector->hpd];
913 nv_connector->type = nv_connector->dcb[0];
914 if (drm_conntype_from_dcb(nv_connector->type) ==
915 DRM_MODE_CONNECTOR_Unknown) {
916 NV_WARN(dev, "unknown connector type %02x\n",
918 nv_connector->type = DCB_CONNECTOR_NONE;
922 if (nv_match_device(dev, 0x0421, 0x1458, 0x344c)) {
923 if (nv_connector->type == DCB_CONNECTOR_HDMI_1)
924 nv_connector->type = DCB_CONNECTOR_DVI_I;
927 /* Gigabyte GV-NX86T512H */
928 if (nv_match_device(dev, 0x0402, 0x1458, 0x3455)) {
929 if (nv_connector->type == DCB_CONNECTOR_HDMI_1)
930 nv_connector->type = DCB_CONNECTOR_DVI_I;
933 nv_connector->type = DCB_CONNECTOR_NONE;
934 nv_connector->hpd = DCB_GPIO_UNUSED;
937 /* no vbios data, or an unknown dcb connector type - attempt to
938 * figure out something suitable ourselves
940 if (nv_connector->type == DCB_CONNECTOR_NONE) {
941 struct drm_nouveau_private *dev_priv = dev->dev_private;
942 struct dcb_table *dcbt = &dev_priv->vbios.dcb;
946 for (i = 0; i < dcbt->entries; i++) {
947 if (dcbt->entry[i].connector == nv_connector->index)
948 encoders |= (1 << dcbt->entry[i].type);
951 if (encoders & (1 << OUTPUT_DP)) {
952 if (encoders & (1 << OUTPUT_TMDS))
953 nv_connector->type = DCB_CONNECTOR_DP;
955 nv_connector->type = DCB_CONNECTOR_eDP;
957 if (encoders & (1 << OUTPUT_TMDS)) {
958 if (encoders & (1 << OUTPUT_ANALOG))
959 nv_connector->type = DCB_CONNECTOR_DVI_I;
961 nv_connector->type = DCB_CONNECTOR_DVI_D;
963 if (encoders & (1 << OUTPUT_ANALOG)) {
964 nv_connector->type = DCB_CONNECTOR_VGA;
966 if (encoders & (1 << OUTPUT_LVDS)) {
967 nv_connector->type = DCB_CONNECTOR_LVDS;
969 if (encoders & (1 << OUTPUT_TV)) {
970 nv_connector->type = DCB_CONNECTOR_TV_0;
974 type = drm_conntype_from_dcb(nv_connector->type);
975 if (type == DRM_MODE_CONNECTOR_LVDS) {
976 ret = nouveau_bios_parse_lvds_table(dev, 0, &dummy, &dummy);
978 NV_ERROR(dev, "Error parsing LVDS table, disabling\n");
983 funcs = &nouveau_connector_funcs_lvds;
985 funcs = &nouveau_connector_funcs;
988 /* defaults, will get overridden in detect() */
989 connector->interlace_allowed = false;
990 connector->doublescan_allowed = false;
992 drm_connector_init(dev, connector, funcs, type);
993 drm_connector_helper_add(connector, &nouveau_connector_helper_funcs);
995 /* Init DVI-I specific properties */
996 if (nv_connector->type == DCB_CONNECTOR_DVI_I)
997 drm_connector_attach_property(connector, dev->mode_config.dvi_i_subconnector_property, 0);
999 /* Add overscan compensation options to digital outputs */
1000 if (disp->underscan_property &&
1001 (nv_connector->type == DCB_CONNECTOR_DVI_D ||
1002 nv_connector->type == DCB_CONNECTOR_DVI_I ||
1003 nv_connector->type == DCB_CONNECTOR_HDMI_0 ||
1004 nv_connector->type == DCB_CONNECTOR_HDMI_1 ||
1005 nv_connector->type == DCB_CONNECTOR_DP)) {
1006 drm_connector_attach_property(connector,
1007 disp->underscan_property,
1009 drm_connector_attach_property(connector,
1010 disp->underscan_hborder_property,
1012 drm_connector_attach_property(connector,
1013 disp->underscan_vborder_property,
1017 switch (nv_connector->type) {
1018 case DCB_CONNECTOR_VGA:
1019 if (dev_priv->card_type >= NV_50) {
1020 drm_connector_attach_property(connector,
1021 dev->mode_config.scaling_mode_property,
1022 nv_connector->scaling_mode);
1025 case DCB_CONNECTOR_TV_0:
1026 case DCB_CONNECTOR_TV_1:
1027 case DCB_CONNECTOR_TV_3:
1028 nv_connector->scaling_mode = DRM_MODE_SCALE_NONE;
1031 nv_connector->scaling_mode = DRM_MODE_SCALE_FULLSCREEN;
1033 drm_connector_attach_property(connector,
1034 dev->mode_config.scaling_mode_property,
1035 nv_connector->scaling_mode);
1036 if (disp->dithering_mode) {
1037 nv_connector->dithering_mode = DITHERING_MODE_AUTO;
1038 drm_connector_attach_property(connector,
1039 disp->dithering_mode,
1040 nv_connector->dithering_mode);
1042 if (disp->dithering_depth) {
1043 nv_connector->dithering_depth = DITHERING_DEPTH_AUTO;
1044 drm_connector_attach_property(connector,
1045 disp->dithering_depth,
1046 nv_connector->dithering_depth);
1051 connector->polled = DRM_CONNECTOR_POLL_CONNECT;
1052 if (nv_connector->hpd != DCB_GPIO_UNUSED) {
1053 ret = nouveau_gpio_isr_add(dev, 0, nv_connector->hpd, 0xff,
1054 nouveau_connector_hotplug,
1057 connector->polled = DRM_CONNECTOR_POLL_HPD;
1060 drm_sysfs_connector_add(connector);
1065 nouveau_connector_hotplug(void *data, int plugged)
1067 struct drm_connector *connector = data;
1068 struct drm_device *dev = connector->dev;
1070 NV_DEBUG(dev, "%splugged %s\n", plugged ? "" : "un",
1071 drm_get_connector_name(connector));
1074 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_ON);
1076 drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF);
1078 drm_helper_hpd_irq_event(dev);