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32#include <linux/list.h>
33#include <linux/slab.h>
34#include "drm.h"
35#include "drmP.h"
36#include "drm_crtc.h"
37#include "drm_edid.h"
38
39struct drm_prop_enum_list {
40 int type;
41 char *name;
42};
43
44
45#define DRM_ENUM_NAME_FN(fnname, list) \
46 char *fnname(int val) \
47 { \
48 int i; \
49 for (i = 0; i < ARRAY_SIZE(list); i++) { \
50 if (list[i].type == val) \
51 return list[i].name; \
52 } \
53 return "(unknown)"; \
54 }
55
56
57
58
59static struct drm_prop_enum_list drm_dpms_enum_list[] =
60{ { DRM_MODE_DPMS_ON, "On" },
61 { DRM_MODE_DPMS_STANDBY, "Standby" },
62 { DRM_MODE_DPMS_SUSPEND, "Suspend" },
63 { DRM_MODE_DPMS_OFF, "Off" }
64};
65
66DRM_ENUM_NAME_FN(drm_get_dpms_name, drm_dpms_enum_list)
67
68
69
70
71static struct drm_prop_enum_list drm_scaling_mode_enum_list[] =
72{
73 { DRM_MODE_SCALE_NONE, "None" },
74 { DRM_MODE_SCALE_FULLSCREEN, "Full" },
75 { DRM_MODE_SCALE_CENTER, "Center" },
76 { DRM_MODE_SCALE_ASPECT, "Full aspect" },
77};
78
79static struct drm_prop_enum_list drm_dithering_mode_enum_list[] =
80{
81 { DRM_MODE_DITHERING_OFF, "Off" },
82 { DRM_MODE_DITHERING_ON, "On" },
83 { DRM_MODE_DITHERING_AUTO, "Automatic" },
84};
85
86
87
88
89static struct drm_prop_enum_list drm_dvi_i_select_enum_list[] =
90{
91 { DRM_MODE_SUBCONNECTOR_Automatic, "Automatic" },
92 { DRM_MODE_SUBCONNECTOR_DVID, "DVI-D" },
93 { DRM_MODE_SUBCONNECTOR_DVIA, "DVI-A" },
94};
95
96DRM_ENUM_NAME_FN(drm_get_dvi_i_select_name, drm_dvi_i_select_enum_list)
97
98static struct drm_prop_enum_list drm_dvi_i_subconnector_enum_list[] =
99{
100 { DRM_MODE_SUBCONNECTOR_Unknown, "Unknown" },
101 { DRM_MODE_SUBCONNECTOR_DVID, "DVI-D" },
102 { DRM_MODE_SUBCONNECTOR_DVIA, "DVI-A" },
103};
104
105DRM_ENUM_NAME_FN(drm_get_dvi_i_subconnector_name,
106 drm_dvi_i_subconnector_enum_list)
107
108static struct drm_prop_enum_list drm_tv_select_enum_list[] =
109{
110 { DRM_MODE_SUBCONNECTOR_Automatic, "Automatic" },
111 { DRM_MODE_SUBCONNECTOR_Composite, "Composite" },
112 { DRM_MODE_SUBCONNECTOR_SVIDEO, "SVIDEO" },
113 { DRM_MODE_SUBCONNECTOR_Component, "Component" },
114 { DRM_MODE_SUBCONNECTOR_SCART, "SCART" },
115};
116
117DRM_ENUM_NAME_FN(drm_get_tv_select_name, drm_tv_select_enum_list)
118
119static struct drm_prop_enum_list drm_tv_subconnector_enum_list[] =
120{
121 { DRM_MODE_SUBCONNECTOR_Unknown, "Unknown" },
122 { DRM_MODE_SUBCONNECTOR_Composite, "Composite" },
123 { DRM_MODE_SUBCONNECTOR_SVIDEO, "SVIDEO" },
124 { DRM_MODE_SUBCONNECTOR_Component, "Component" },
125 { DRM_MODE_SUBCONNECTOR_SCART, "SCART" },
126};
127
128DRM_ENUM_NAME_FN(drm_get_tv_subconnector_name,
129 drm_tv_subconnector_enum_list)
130
131static struct drm_prop_enum_list drm_dirty_info_enum_list[] = {
132 { DRM_MODE_DIRTY_OFF, "Off" },
133 { DRM_MODE_DIRTY_ON, "On" },
134 { DRM_MODE_DIRTY_ANNOTATE, "Annotate" },
135};
136
137DRM_ENUM_NAME_FN(drm_get_dirty_info_name,
138 drm_dirty_info_enum_list)
139
140struct drm_conn_prop_enum_list {
141 int type;
142 char *name;
143 int count;
144};
145
146
147
148
149static struct drm_conn_prop_enum_list drm_connector_enum_list[] =
150{ { DRM_MODE_CONNECTOR_Unknown, "Unknown", 0 },
151 { DRM_MODE_CONNECTOR_VGA, "VGA", 0 },
152 { DRM_MODE_CONNECTOR_DVII, "DVI-I", 0 },
153 { DRM_MODE_CONNECTOR_DVID, "DVI-D", 0 },
154 { DRM_MODE_CONNECTOR_DVIA, "DVI-A", 0 },
155 { DRM_MODE_CONNECTOR_Composite, "Composite", 0 },
156 { DRM_MODE_CONNECTOR_SVIDEO, "SVIDEO", 0 },
157 { DRM_MODE_CONNECTOR_LVDS, "LVDS", 0 },
158 { DRM_MODE_CONNECTOR_Component, "Component", 0 },
159 { DRM_MODE_CONNECTOR_9PinDIN, "DIN", 0 },
160 { DRM_MODE_CONNECTOR_DisplayPort, "DP", 0 },
161 { DRM_MODE_CONNECTOR_HDMIA, "HDMI-A", 0 },
162 { DRM_MODE_CONNECTOR_HDMIB, "HDMI-B", 0 },
163 { DRM_MODE_CONNECTOR_TV, "TV", 0 },
164 { DRM_MODE_CONNECTOR_eDP, "eDP", 0 },
165};
166
167static struct drm_prop_enum_list drm_encoder_enum_list[] =
168{ { DRM_MODE_ENCODER_NONE, "None" },
169 { DRM_MODE_ENCODER_DAC, "DAC" },
170 { DRM_MODE_ENCODER_TMDS, "TMDS" },
171 { DRM_MODE_ENCODER_LVDS, "LVDS" },
172 { DRM_MODE_ENCODER_TVDAC, "TV" },
173};
174
175char *drm_get_encoder_name(struct drm_encoder *encoder)
176{
177 static char buf[32];
178
179 snprintf(buf, 32, "%s-%d",
180 drm_encoder_enum_list[encoder->encoder_type].name,
181 encoder->base.id);
182 return buf;
183}
184EXPORT_SYMBOL(drm_get_encoder_name);
185
186char *drm_get_connector_name(struct drm_connector *connector)
187{
188 static char buf[32];
189
190 snprintf(buf, 32, "%s-%d",
191 drm_connector_enum_list[connector->connector_type].name,
192 connector->connector_type_id);
193 return buf;
194}
195EXPORT_SYMBOL(drm_get_connector_name);
196
197char *drm_get_connector_status_name(enum drm_connector_status status)
198{
199 if (status == connector_status_connected)
200 return "connected";
201 else if (status == connector_status_disconnected)
202 return "disconnected";
203 else
204 return "unknown";
205}
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220
221
222static int drm_mode_object_get(struct drm_device *dev,
223 struct drm_mode_object *obj, uint32_t obj_type)
224{
225 int new_id = 0;
226 int ret;
227
228again:
229 if (idr_pre_get(&dev->mode_config.crtc_idr, GFP_KERNEL) == 0) {
230 DRM_ERROR("Ran out memory getting a mode number\n");
231 return -EINVAL;
232 }
233
234 mutex_lock(&dev->mode_config.idr_mutex);
235 ret = idr_get_new_above(&dev->mode_config.crtc_idr, obj, 1, &new_id);
236 mutex_unlock(&dev->mode_config.idr_mutex);
237 if (ret == -EAGAIN)
238 goto again;
239
240 obj->id = new_id;
241 obj->type = obj_type;
242 return 0;
243}
244
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253
254
255static void drm_mode_object_put(struct drm_device *dev,
256 struct drm_mode_object *object)
257{
258 mutex_lock(&dev->mode_config.idr_mutex);
259 idr_remove(&dev->mode_config.crtc_idr, object->id);
260 mutex_unlock(&dev->mode_config.idr_mutex);
261}
262
263struct drm_mode_object *drm_mode_object_find(struct drm_device *dev,
264 uint32_t id, uint32_t type)
265{
266 struct drm_mode_object *obj = NULL;
267
268 mutex_lock(&dev->mode_config.idr_mutex);
269 obj = idr_find(&dev->mode_config.crtc_idr, id);
270 if (!obj || (obj->type != type) || (obj->id != id))
271 obj = NULL;
272 mutex_unlock(&dev->mode_config.idr_mutex);
273
274 return obj;
275}
276EXPORT_SYMBOL(drm_mode_object_find);
277
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290
291int drm_framebuffer_init(struct drm_device *dev, struct drm_framebuffer *fb,
292 const struct drm_framebuffer_funcs *funcs)
293{
294 int ret;
295
296 ret = drm_mode_object_get(dev, &fb->base, DRM_MODE_OBJECT_FB);
297 if (ret) {
298 return ret;
299 }
300
301 fb->dev = dev;
302 fb->funcs = funcs;
303 dev->mode_config.num_fb++;
304 list_add(&fb->head, &dev->mode_config.fb_list);
305
306 return 0;
307}
308EXPORT_SYMBOL(drm_framebuffer_init);
309
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318
319
320void drm_framebuffer_cleanup(struct drm_framebuffer *fb)
321{
322 struct drm_device *dev = fb->dev;
323 struct drm_crtc *crtc;
324 struct drm_mode_set set;
325 int ret;
326
327
328 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
329 if (crtc->fb == fb) {
330
331 memset(&set, 0, sizeof(struct drm_mode_set));
332 set.crtc = crtc;
333 set.fb = NULL;
334 ret = crtc->funcs->set_config(&set);
335 if (ret)
336 DRM_ERROR("failed to reset crtc %p when fb was deleted\n", crtc);
337 }
338 }
339
340 drm_mode_object_put(dev, &fb->base);
341 list_del(&fb->head);
342 dev->mode_config.num_fb--;
343}
344EXPORT_SYMBOL(drm_framebuffer_cleanup);
345
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355
356
357void drm_crtc_init(struct drm_device *dev, struct drm_crtc *crtc,
358 const struct drm_crtc_funcs *funcs)
359{
360 crtc->dev = dev;
361 crtc->funcs = funcs;
362
363 mutex_lock(&dev->mode_config.mutex);
364 drm_mode_object_get(dev, &crtc->base, DRM_MODE_OBJECT_CRTC);
365
366 list_add_tail(&crtc->head, &dev->mode_config.crtc_list);
367 dev->mode_config.num_crtc++;
368 mutex_unlock(&dev->mode_config.mutex);
369}
370EXPORT_SYMBOL(drm_crtc_init);
371
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380
381
382void drm_crtc_cleanup(struct drm_crtc *crtc)
383{
384 struct drm_device *dev = crtc->dev;
385
386 if (crtc->gamma_store) {
387 kfree(crtc->gamma_store);
388 crtc->gamma_store = NULL;
389 }
390
391 drm_mode_object_put(dev, &crtc->base);
392 list_del(&crtc->head);
393 dev->mode_config.num_crtc--;
394}
395EXPORT_SYMBOL(drm_crtc_cleanup);
396
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406
407void drm_mode_probed_add(struct drm_connector *connector,
408 struct drm_display_mode *mode)
409{
410 list_add(&mode->head, &connector->probed_modes);
411}
412EXPORT_SYMBOL(drm_mode_probed_add);
413
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423
424void drm_mode_remove(struct drm_connector *connector,
425 struct drm_display_mode *mode)
426{
427 list_del(&mode->head);
428 kfree(mode);
429}
430EXPORT_SYMBOL(drm_mode_remove);
431
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443
444
445void drm_connector_init(struct drm_device *dev,
446 struct drm_connector *connector,
447 const struct drm_connector_funcs *funcs,
448 int connector_type)
449{
450 mutex_lock(&dev->mode_config.mutex);
451
452 connector->dev = dev;
453 connector->funcs = funcs;
454 drm_mode_object_get(dev, &connector->base, DRM_MODE_OBJECT_CONNECTOR);
455 connector->connector_type = connector_type;
456 connector->connector_type_id =
457 ++drm_connector_enum_list[connector_type].count;
458 INIT_LIST_HEAD(&connector->user_modes);
459 INIT_LIST_HEAD(&connector->probed_modes);
460 INIT_LIST_HEAD(&connector->modes);
461 connector->edid_blob_ptr = NULL;
462
463 list_add_tail(&connector->head, &dev->mode_config.connector_list);
464 dev->mode_config.num_connector++;
465
466 drm_connector_attach_property(connector,
467 dev->mode_config.edid_property, 0);
468
469 drm_connector_attach_property(connector,
470 dev->mode_config.dpms_property, 0);
471
472 mutex_unlock(&dev->mode_config.mutex);
473}
474EXPORT_SYMBOL(drm_connector_init);
475
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483
484
485void drm_connector_cleanup(struct drm_connector *connector)
486{
487 struct drm_device *dev = connector->dev;
488 struct drm_display_mode *mode, *t;
489
490 list_for_each_entry_safe(mode, t, &connector->probed_modes, head)
491 drm_mode_remove(connector, mode);
492
493 list_for_each_entry_safe(mode, t, &connector->modes, head)
494 drm_mode_remove(connector, mode);
495
496 list_for_each_entry_safe(mode, t, &connector->user_modes, head)
497 drm_mode_remove(connector, mode);
498
499 mutex_lock(&dev->mode_config.mutex);
500 drm_mode_object_put(dev, &connector->base);
501 list_del(&connector->head);
502 mutex_unlock(&dev->mode_config.mutex);
503}
504EXPORT_SYMBOL(drm_connector_cleanup);
505
506void drm_encoder_init(struct drm_device *dev,
507 struct drm_encoder *encoder,
508 const struct drm_encoder_funcs *funcs,
509 int encoder_type)
510{
511 mutex_lock(&dev->mode_config.mutex);
512
513 encoder->dev = dev;
514
515 drm_mode_object_get(dev, &encoder->base, DRM_MODE_OBJECT_ENCODER);
516 encoder->encoder_type = encoder_type;
517 encoder->funcs = funcs;
518
519 list_add_tail(&encoder->head, &dev->mode_config.encoder_list);
520 dev->mode_config.num_encoder++;
521
522 mutex_unlock(&dev->mode_config.mutex);
523}
524EXPORT_SYMBOL(drm_encoder_init);
525
526void drm_encoder_cleanup(struct drm_encoder *encoder)
527{
528 struct drm_device *dev = encoder->dev;
529 mutex_lock(&dev->mode_config.mutex);
530 drm_mode_object_put(dev, &encoder->base);
531 list_del(&encoder->head);
532 mutex_unlock(&dev->mode_config.mutex);
533}
534EXPORT_SYMBOL(drm_encoder_cleanup);
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547
548struct drm_display_mode *drm_mode_create(struct drm_device *dev)
549{
550 struct drm_display_mode *nmode;
551
552 nmode = kzalloc(sizeof(struct drm_display_mode), GFP_KERNEL);
553 if (!nmode)
554 return NULL;
555
556 drm_mode_object_get(dev, &nmode->base, DRM_MODE_OBJECT_MODE);
557 return nmode;
558}
559EXPORT_SYMBOL(drm_mode_create);
560
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569
570
571void drm_mode_destroy(struct drm_device *dev, struct drm_display_mode *mode)
572{
573 drm_mode_object_put(dev, &mode->base);
574
575 kfree(mode);
576}
577EXPORT_SYMBOL(drm_mode_destroy);
578
579static int drm_mode_create_standard_connector_properties(struct drm_device *dev)
580{
581 struct drm_property *edid;
582 struct drm_property *dpms;
583 int i;
584
585
586
587
588 edid = drm_property_create(dev, DRM_MODE_PROP_BLOB |
589 DRM_MODE_PROP_IMMUTABLE,
590 "EDID", 0);
591 dev->mode_config.edid_property = edid;
592
593 dpms = drm_property_create(dev, DRM_MODE_PROP_ENUM,
594 "DPMS", ARRAY_SIZE(drm_dpms_enum_list));
595 for (i = 0; i < ARRAY_SIZE(drm_dpms_enum_list); i++)
596 drm_property_add_enum(dpms, i, drm_dpms_enum_list[i].type,
597 drm_dpms_enum_list[i].name);
598 dev->mode_config.dpms_property = dpms;
599
600 return 0;
601}
602
603
604
605
606
607
608
609int drm_mode_create_dvi_i_properties(struct drm_device *dev)
610{
611 struct drm_property *dvi_i_selector;
612 struct drm_property *dvi_i_subconnector;
613 int i;
614
615 if (dev->mode_config.dvi_i_select_subconnector_property)
616 return 0;
617
618 dvi_i_selector =
619 drm_property_create(dev, DRM_MODE_PROP_ENUM,
620 "select subconnector",
621 ARRAY_SIZE(drm_dvi_i_select_enum_list));
622 for (i = 0; i < ARRAY_SIZE(drm_dvi_i_select_enum_list); i++)
623 drm_property_add_enum(dvi_i_selector, i,
624 drm_dvi_i_select_enum_list[i].type,
625 drm_dvi_i_select_enum_list[i].name);
626 dev->mode_config.dvi_i_select_subconnector_property = dvi_i_selector;
627
628 dvi_i_subconnector =
629 drm_property_create(dev, DRM_MODE_PROP_ENUM |
630 DRM_MODE_PROP_IMMUTABLE,
631 "subconnector",
632 ARRAY_SIZE(drm_dvi_i_subconnector_enum_list));
633 for (i = 0; i < ARRAY_SIZE(drm_dvi_i_subconnector_enum_list); i++)
634 drm_property_add_enum(dvi_i_subconnector, i,
635 drm_dvi_i_subconnector_enum_list[i].type,
636 drm_dvi_i_subconnector_enum_list[i].name);
637 dev->mode_config.dvi_i_subconnector_property = dvi_i_subconnector;
638
639 return 0;
640}
641EXPORT_SYMBOL(drm_mode_create_dvi_i_properties);
642
643
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645
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649
650
651
652
653
654int drm_mode_create_tv_properties(struct drm_device *dev, int num_modes,
655 char *modes[])
656{
657 struct drm_property *tv_selector;
658 struct drm_property *tv_subconnector;
659 int i;
660
661 if (dev->mode_config.tv_select_subconnector_property)
662 return 0;
663
664
665
666
667 tv_selector = drm_property_create(dev, DRM_MODE_PROP_ENUM,
668 "select subconnector",
669 ARRAY_SIZE(drm_tv_select_enum_list));
670 for (i = 0; i < ARRAY_SIZE(drm_tv_select_enum_list); i++)
671 drm_property_add_enum(tv_selector, i,
672 drm_tv_select_enum_list[i].type,
673 drm_tv_select_enum_list[i].name);
674 dev->mode_config.tv_select_subconnector_property = tv_selector;
675
676 tv_subconnector =
677 drm_property_create(dev, DRM_MODE_PROP_ENUM |
678 DRM_MODE_PROP_IMMUTABLE, "subconnector",
679 ARRAY_SIZE(drm_tv_subconnector_enum_list));
680 for (i = 0; i < ARRAY_SIZE(drm_tv_subconnector_enum_list); i++)
681 drm_property_add_enum(tv_subconnector, i,
682 drm_tv_subconnector_enum_list[i].type,
683 drm_tv_subconnector_enum_list[i].name);
684 dev->mode_config.tv_subconnector_property = tv_subconnector;
685
686
687
688
689 dev->mode_config.tv_left_margin_property =
690 drm_property_create(dev, DRM_MODE_PROP_RANGE,
691 "left margin", 2);
692 dev->mode_config.tv_left_margin_property->values[0] = 0;
693 dev->mode_config.tv_left_margin_property->values[1] = 100;
694
695 dev->mode_config.tv_right_margin_property =
696 drm_property_create(dev, DRM_MODE_PROP_RANGE,
697 "right margin", 2);
698 dev->mode_config.tv_right_margin_property->values[0] = 0;
699 dev->mode_config.tv_right_margin_property->values[1] = 100;
700
701 dev->mode_config.tv_top_margin_property =
702 drm_property_create(dev, DRM_MODE_PROP_RANGE,
703 "top margin", 2);
704 dev->mode_config.tv_top_margin_property->values[0] = 0;
705 dev->mode_config.tv_top_margin_property->values[1] = 100;
706
707 dev->mode_config.tv_bottom_margin_property =
708 drm_property_create(dev, DRM_MODE_PROP_RANGE,
709 "bottom margin", 2);
710 dev->mode_config.tv_bottom_margin_property->values[0] = 0;
711 dev->mode_config.tv_bottom_margin_property->values[1] = 100;
712
713 dev->mode_config.tv_mode_property =
714 drm_property_create(dev, DRM_MODE_PROP_ENUM,
715 "mode", num_modes);
716 for (i = 0; i < num_modes; i++)
717 drm_property_add_enum(dev->mode_config.tv_mode_property, i,
718 i, modes[i]);
719
720 dev->mode_config.tv_brightness_property =
721 drm_property_create(dev, DRM_MODE_PROP_RANGE,
722 "brightness", 2);
723 dev->mode_config.tv_brightness_property->values[0] = 0;
724 dev->mode_config.tv_brightness_property->values[1] = 100;
725
726 dev->mode_config.tv_contrast_property =
727 drm_property_create(dev, DRM_MODE_PROP_RANGE,
728 "contrast", 2);
729 dev->mode_config.tv_contrast_property->values[0] = 0;
730 dev->mode_config.tv_contrast_property->values[1] = 100;
731
732 dev->mode_config.tv_flicker_reduction_property =
733 drm_property_create(dev, DRM_MODE_PROP_RANGE,
734 "flicker reduction", 2);
735 dev->mode_config.tv_flicker_reduction_property->values[0] = 0;
736 dev->mode_config.tv_flicker_reduction_property->values[1] = 100;
737
738 dev->mode_config.tv_overscan_property =
739 drm_property_create(dev, DRM_MODE_PROP_RANGE,
740 "overscan", 2);
741 dev->mode_config.tv_overscan_property->values[0] = 0;
742 dev->mode_config.tv_overscan_property->values[1] = 100;
743
744 dev->mode_config.tv_saturation_property =
745 drm_property_create(dev, DRM_MODE_PROP_RANGE,
746 "saturation", 2);
747 dev->mode_config.tv_saturation_property->values[0] = 0;
748 dev->mode_config.tv_saturation_property->values[1] = 100;
749
750 dev->mode_config.tv_hue_property =
751 drm_property_create(dev, DRM_MODE_PROP_RANGE,
752 "hue", 2);
753 dev->mode_config.tv_hue_property->values[0] = 0;
754 dev->mode_config.tv_hue_property->values[1] = 100;
755
756 return 0;
757}
758EXPORT_SYMBOL(drm_mode_create_tv_properties);
759
760
761
762
763
764
765
766
767int drm_mode_create_scaling_mode_property(struct drm_device *dev)
768{
769 struct drm_property *scaling_mode;
770 int i;
771
772 if (dev->mode_config.scaling_mode_property)
773 return 0;
774
775 scaling_mode =
776 drm_property_create(dev, DRM_MODE_PROP_ENUM, "scaling mode",
777 ARRAY_SIZE(drm_scaling_mode_enum_list));
778 for (i = 0; i < ARRAY_SIZE(drm_scaling_mode_enum_list); i++)
779 drm_property_add_enum(scaling_mode, i,
780 drm_scaling_mode_enum_list[i].type,
781 drm_scaling_mode_enum_list[i].name);
782
783 dev->mode_config.scaling_mode_property = scaling_mode;
784
785 return 0;
786}
787EXPORT_SYMBOL(drm_mode_create_scaling_mode_property);
788
789
790
791
792
793
794
795
796int drm_mode_create_dithering_property(struct drm_device *dev)
797{
798 struct drm_property *dithering_mode;
799 int i;
800
801 if (dev->mode_config.dithering_mode_property)
802 return 0;
803
804 dithering_mode =
805 drm_property_create(dev, DRM_MODE_PROP_ENUM, "dithering",
806 ARRAY_SIZE(drm_dithering_mode_enum_list));
807 for (i = 0; i < ARRAY_SIZE(drm_dithering_mode_enum_list); i++)
808 drm_property_add_enum(dithering_mode, i,
809 drm_dithering_mode_enum_list[i].type,
810 drm_dithering_mode_enum_list[i].name);
811 dev->mode_config.dithering_mode_property = dithering_mode;
812
813 return 0;
814}
815EXPORT_SYMBOL(drm_mode_create_dithering_property);
816
817
818
819
820
821
822
823
824int drm_mode_create_dirty_info_property(struct drm_device *dev)
825{
826 struct drm_property *dirty_info;
827 int i;
828
829 if (dev->mode_config.dirty_info_property)
830 return 0;
831
832 dirty_info =
833 drm_property_create(dev, DRM_MODE_PROP_ENUM |
834 DRM_MODE_PROP_IMMUTABLE,
835 "dirty",
836 ARRAY_SIZE(drm_dirty_info_enum_list));
837 for (i = 0; i < ARRAY_SIZE(drm_dirty_info_enum_list); i++)
838 drm_property_add_enum(dirty_info, i,
839 drm_dirty_info_enum_list[i].type,
840 drm_dirty_info_enum_list[i].name);
841 dev->mode_config.dirty_info_property = dirty_info;
842
843 return 0;
844}
845EXPORT_SYMBOL(drm_mode_create_dirty_info_property);
846
847
848
849
850
851
852
853
854
855
856
857void drm_mode_config_init(struct drm_device *dev)
858{
859 mutex_init(&dev->mode_config.mutex);
860 mutex_init(&dev->mode_config.idr_mutex);
861 INIT_LIST_HEAD(&dev->mode_config.fb_list);
862 INIT_LIST_HEAD(&dev->mode_config.crtc_list);
863 INIT_LIST_HEAD(&dev->mode_config.connector_list);
864 INIT_LIST_HEAD(&dev->mode_config.encoder_list);
865 INIT_LIST_HEAD(&dev->mode_config.property_list);
866 INIT_LIST_HEAD(&dev->mode_config.property_blob_list);
867 idr_init(&dev->mode_config.crtc_idr);
868
869 mutex_lock(&dev->mode_config.mutex);
870 drm_mode_create_standard_connector_properties(dev);
871 mutex_unlock(&dev->mode_config.mutex);
872
873
874 dev->mode_config.num_fb = 0;
875 dev->mode_config.num_connector = 0;
876 dev->mode_config.num_crtc = 0;
877 dev->mode_config.num_encoder = 0;
878}
879EXPORT_SYMBOL(drm_mode_config_init);
880
881int drm_mode_group_init(struct drm_device *dev, struct drm_mode_group *group)
882{
883 uint32_t total_objects = 0;
884
885 total_objects += dev->mode_config.num_crtc;
886 total_objects += dev->mode_config.num_connector;
887 total_objects += dev->mode_config.num_encoder;
888
889 if (total_objects == 0)
890 return -EINVAL;
891
892 group->id_list = kzalloc(total_objects * sizeof(uint32_t), GFP_KERNEL);
893 if (!group->id_list)
894 return -ENOMEM;
895
896 group->num_crtcs = 0;
897 group->num_connectors = 0;
898 group->num_encoders = 0;
899 return 0;
900}
901
902int drm_mode_group_init_legacy_group(struct drm_device *dev,
903 struct drm_mode_group *group)
904{
905 struct drm_crtc *crtc;
906 struct drm_encoder *encoder;
907 struct drm_connector *connector;
908 int ret;
909
910 if ((ret = drm_mode_group_init(dev, group)))
911 return ret;
912
913 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head)
914 group->id_list[group->num_crtcs++] = crtc->base.id;
915
916 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head)
917 group->id_list[group->num_crtcs + group->num_encoders++] =
918 encoder->base.id;
919
920 list_for_each_entry(connector, &dev->mode_config.connector_list, head)
921 group->id_list[group->num_crtcs + group->num_encoders +
922 group->num_connectors++] = connector->base.id;
923
924 return 0;
925}
926
927
928
929
930
931
932
933
934
935
936
937
938
939void drm_mode_config_cleanup(struct drm_device *dev)
940{
941 struct drm_connector *connector, *ot;
942 struct drm_crtc *crtc, *ct;
943 struct drm_encoder *encoder, *enct;
944 struct drm_framebuffer *fb, *fbt;
945 struct drm_property *property, *pt;
946
947 list_for_each_entry_safe(encoder, enct, &dev->mode_config.encoder_list,
948 head) {
949 encoder->funcs->destroy(encoder);
950 }
951
952 list_for_each_entry_safe(connector, ot,
953 &dev->mode_config.connector_list, head) {
954 connector->funcs->destroy(connector);
955 }
956
957 list_for_each_entry_safe(property, pt, &dev->mode_config.property_list,
958 head) {
959 drm_property_destroy(dev, property);
960 }
961
962 list_for_each_entry_safe(fb, fbt, &dev->mode_config.fb_list, head) {
963 fb->funcs->destroy(fb);
964 }
965
966 list_for_each_entry_safe(crtc, ct, &dev->mode_config.crtc_list, head) {
967 crtc->funcs->destroy(crtc);
968 }
969
970}
971EXPORT_SYMBOL(drm_mode_config_cleanup);
972
973
974
975
976
977
978
979
980
981
982
983
984void drm_crtc_convert_to_umode(struct drm_mode_modeinfo *out,
985 struct drm_display_mode *in)
986{
987 out->clock = in->clock;
988 out->hdisplay = in->hdisplay;
989 out->hsync_start = in->hsync_start;
990 out->hsync_end = in->hsync_end;
991 out->htotal = in->htotal;
992 out->hskew = in->hskew;
993 out->vdisplay = in->vdisplay;
994 out->vsync_start = in->vsync_start;
995 out->vsync_end = in->vsync_end;
996 out->vtotal = in->vtotal;
997 out->vscan = in->vscan;
998 out->vrefresh = in->vrefresh;
999 out->flags = in->flags;
1000 out->type = in->type;
1001 strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN);
1002 out->name[DRM_DISPLAY_MODE_LEN-1] = 0;
1003}
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016void drm_crtc_convert_umode(struct drm_display_mode *out,
1017 struct drm_mode_modeinfo *in)
1018{
1019 out->clock = in->clock;
1020 out->hdisplay = in->hdisplay;
1021 out->hsync_start = in->hsync_start;
1022 out->hsync_end = in->hsync_end;
1023 out->htotal = in->htotal;
1024 out->hskew = in->hskew;
1025 out->vdisplay = in->vdisplay;
1026 out->vsync_start = in->vsync_start;
1027 out->vsync_end = in->vsync_end;
1028 out->vtotal = in->vtotal;
1029 out->vscan = in->vscan;
1030 out->vrefresh = in->vrefresh;
1031 out->flags = in->flags;
1032 out->type = in->type;
1033 strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN);
1034 out->name[DRM_DISPLAY_MODE_LEN-1] = 0;
1035}
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055int drm_mode_getresources(struct drm_device *dev, void *data,
1056 struct drm_file *file_priv)
1057{
1058 struct drm_mode_card_res *card_res = data;
1059 struct list_head *lh;
1060 struct drm_framebuffer *fb;
1061 struct drm_connector *connector;
1062 struct drm_crtc *crtc;
1063 struct drm_encoder *encoder;
1064 int ret = 0;
1065 int connector_count = 0;
1066 int crtc_count = 0;
1067 int fb_count = 0;
1068 int encoder_count = 0;
1069 int copied = 0, i;
1070 uint32_t __user *fb_id;
1071 uint32_t __user *crtc_id;
1072 uint32_t __user *connector_id;
1073 uint32_t __user *encoder_id;
1074 struct drm_mode_group *mode_group;
1075
1076 mutex_lock(&dev->mode_config.mutex);
1077
1078
1079
1080
1081
1082 list_for_each(lh, &file_priv->fbs)
1083 fb_count++;
1084
1085 mode_group = &file_priv->master->minor->mode_group;
1086 if (file_priv->master->minor->type == DRM_MINOR_CONTROL) {
1087
1088 list_for_each(lh, &dev->mode_config.crtc_list)
1089 crtc_count++;
1090
1091 list_for_each(lh, &dev->mode_config.connector_list)
1092 connector_count++;
1093
1094 list_for_each(lh, &dev->mode_config.encoder_list)
1095 encoder_count++;
1096 } else {
1097
1098 crtc_count = mode_group->num_crtcs;
1099 connector_count = mode_group->num_connectors;
1100 encoder_count = mode_group->num_encoders;
1101 }
1102
1103 card_res->max_height = dev->mode_config.max_height;
1104 card_res->min_height = dev->mode_config.min_height;
1105 card_res->max_width = dev->mode_config.max_width;
1106 card_res->min_width = dev->mode_config.min_width;
1107
1108
1109
1110 if (card_res->count_fbs >= fb_count) {
1111 copied = 0;
1112 fb_id = (uint32_t __user *)(unsigned long)card_res->fb_id_ptr;
1113 list_for_each_entry(fb, &file_priv->fbs, head) {
1114 if (put_user(fb->base.id, fb_id + copied)) {
1115 ret = -EFAULT;
1116 goto out;
1117 }
1118 copied++;
1119 }
1120 }
1121 card_res->count_fbs = fb_count;
1122
1123
1124 if (card_res->count_crtcs >= crtc_count) {
1125 copied = 0;
1126 crtc_id = (uint32_t __user *)(unsigned long)card_res->crtc_id_ptr;
1127 if (file_priv->master->minor->type == DRM_MINOR_CONTROL) {
1128 list_for_each_entry(crtc, &dev->mode_config.crtc_list,
1129 head) {
1130 DRM_DEBUG_KMS("[CRTC:%d]\n", crtc->base.id);
1131 if (put_user(crtc->base.id, crtc_id + copied)) {
1132 ret = -EFAULT;
1133 goto out;
1134 }
1135 copied++;
1136 }
1137 } else {
1138 for (i = 0; i < mode_group->num_crtcs; i++) {
1139 if (put_user(mode_group->id_list[i],
1140 crtc_id + copied)) {
1141 ret = -EFAULT;
1142 goto out;
1143 }
1144 copied++;
1145 }
1146 }
1147 }
1148 card_res->count_crtcs = crtc_count;
1149
1150
1151 if (card_res->count_encoders >= encoder_count) {
1152 copied = 0;
1153 encoder_id = (uint32_t __user *)(unsigned long)card_res->encoder_id_ptr;
1154 if (file_priv->master->minor->type == DRM_MINOR_CONTROL) {
1155 list_for_each_entry(encoder,
1156 &dev->mode_config.encoder_list,
1157 head) {
1158 DRM_DEBUG_KMS("[ENCODER:%d:%s]\n", encoder->base.id,
1159 drm_get_encoder_name(encoder));
1160 if (put_user(encoder->base.id, encoder_id +
1161 copied)) {
1162 ret = -EFAULT;
1163 goto out;
1164 }
1165 copied++;
1166 }
1167 } else {
1168 for (i = mode_group->num_crtcs; i < mode_group->num_crtcs + mode_group->num_encoders; i++) {
1169 if (put_user(mode_group->id_list[i],
1170 encoder_id + copied)) {
1171 ret = -EFAULT;
1172 goto out;
1173 }
1174 copied++;
1175 }
1176
1177 }
1178 }
1179 card_res->count_encoders = encoder_count;
1180
1181
1182 if (card_res->count_connectors >= connector_count) {
1183 copied = 0;
1184 connector_id = (uint32_t __user *)(unsigned long)card_res->connector_id_ptr;
1185 if (file_priv->master->minor->type == DRM_MINOR_CONTROL) {
1186 list_for_each_entry(connector,
1187 &dev->mode_config.connector_list,
1188 head) {
1189 DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n",
1190 connector->base.id,
1191 drm_get_connector_name(connector));
1192 if (put_user(connector->base.id,
1193 connector_id + copied)) {
1194 ret = -EFAULT;
1195 goto out;
1196 }
1197 copied++;
1198 }
1199 } else {
1200 int start = mode_group->num_crtcs +
1201 mode_group->num_encoders;
1202 for (i = start; i < start + mode_group->num_connectors; i++) {
1203 if (put_user(mode_group->id_list[i],
1204 connector_id + copied)) {
1205 ret = -EFAULT;
1206 goto out;
1207 }
1208 copied++;
1209 }
1210 }
1211 }
1212 card_res->count_connectors = connector_count;
1213
1214 DRM_DEBUG_KMS("CRTC[%d] CONNECTORS[%d] ENCODERS[%d]\n", card_res->count_crtcs,
1215 card_res->count_connectors, card_res->count_encoders);
1216
1217out:
1218 mutex_unlock(&dev->mode_config.mutex);
1219 return ret;
1220}
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239int drm_mode_getcrtc(struct drm_device *dev,
1240 void *data, struct drm_file *file_priv)
1241{
1242 struct drm_mode_crtc *crtc_resp = data;
1243 struct drm_crtc *crtc;
1244 struct drm_mode_object *obj;
1245 int ret = 0;
1246
1247 mutex_lock(&dev->mode_config.mutex);
1248
1249 obj = drm_mode_object_find(dev, crtc_resp->crtc_id,
1250 DRM_MODE_OBJECT_CRTC);
1251 if (!obj) {
1252 ret = -EINVAL;
1253 goto out;
1254 }
1255 crtc = obj_to_crtc(obj);
1256
1257 crtc_resp->x = crtc->x;
1258 crtc_resp->y = crtc->y;
1259 crtc_resp->gamma_size = crtc->gamma_size;
1260 if (crtc->fb)
1261 crtc_resp->fb_id = crtc->fb->base.id;
1262 else
1263 crtc_resp->fb_id = 0;
1264
1265 if (crtc->enabled) {
1266
1267 drm_crtc_convert_to_umode(&crtc_resp->mode, &crtc->mode);
1268 crtc_resp->mode_valid = 1;
1269
1270 } else {
1271 crtc_resp->mode_valid = 0;
1272 }
1273
1274out:
1275 mutex_unlock(&dev->mode_config.mutex);
1276 return ret;
1277}
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296int drm_mode_getconnector(struct drm_device *dev, void *data,
1297 struct drm_file *file_priv)
1298{
1299 struct drm_mode_get_connector *out_resp = data;
1300 struct drm_mode_object *obj;
1301 struct drm_connector *connector;
1302 struct drm_display_mode *mode;
1303 int mode_count = 0;
1304 int props_count = 0;
1305 int encoders_count = 0;
1306 int ret = 0;
1307 int copied = 0;
1308 int i;
1309 struct drm_mode_modeinfo u_mode;
1310 struct drm_mode_modeinfo __user *mode_ptr;
1311 uint32_t __user *prop_ptr;
1312 uint64_t __user *prop_values;
1313 uint32_t __user *encoder_ptr;
1314
1315 memset(&u_mode, 0, sizeof(struct drm_mode_modeinfo));
1316
1317 DRM_DEBUG_KMS("[CONNECTOR:%d:?]\n", out_resp->connector_id);
1318
1319 mutex_lock(&dev->mode_config.mutex);
1320
1321 obj = drm_mode_object_find(dev, out_resp->connector_id,
1322 DRM_MODE_OBJECT_CONNECTOR);
1323 if (!obj) {
1324 ret = -EINVAL;
1325 goto out;
1326 }
1327 connector = obj_to_connector(obj);
1328
1329 for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) {
1330 if (connector->property_ids[i] != 0) {
1331 props_count++;
1332 }
1333 }
1334
1335 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1336 if (connector->encoder_ids[i] != 0) {
1337 encoders_count++;
1338 }
1339 }
1340
1341 if (out_resp->count_modes == 0) {
1342 connector->funcs->fill_modes(connector,
1343 dev->mode_config.max_width,
1344 dev->mode_config.max_height);
1345 }
1346
1347
1348 list_for_each_entry(mode, &connector->modes, head)
1349 mode_count++;
1350
1351 out_resp->connector_id = connector->base.id;
1352 out_resp->connector_type = connector->connector_type;
1353 out_resp->connector_type_id = connector->connector_type_id;
1354 out_resp->mm_width = connector->display_info.width_mm;
1355 out_resp->mm_height = connector->display_info.height_mm;
1356 out_resp->subpixel = connector->display_info.subpixel_order;
1357 out_resp->connection = connector->status;
1358 if (connector->encoder)
1359 out_resp->encoder_id = connector->encoder->base.id;
1360 else
1361 out_resp->encoder_id = 0;
1362
1363
1364
1365
1366
1367 if ((out_resp->count_modes >= mode_count) && mode_count) {
1368 copied = 0;
1369 mode_ptr = (struct drm_mode_modeinfo *)(unsigned long)out_resp->modes_ptr;
1370 list_for_each_entry(mode, &connector->modes, head) {
1371 drm_crtc_convert_to_umode(&u_mode, mode);
1372 if (copy_to_user(mode_ptr + copied,
1373 &u_mode, sizeof(u_mode))) {
1374 ret = -EFAULT;
1375 goto out;
1376 }
1377 copied++;
1378 }
1379 }
1380 out_resp->count_modes = mode_count;
1381
1382 if ((out_resp->count_props >= props_count) && props_count) {
1383 copied = 0;
1384 prop_ptr = (uint32_t *)(unsigned long)(out_resp->props_ptr);
1385 prop_values = (uint64_t *)(unsigned long)(out_resp->prop_values_ptr);
1386 for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) {
1387 if (connector->property_ids[i] != 0) {
1388 if (put_user(connector->property_ids[i],
1389 prop_ptr + copied)) {
1390 ret = -EFAULT;
1391 goto out;
1392 }
1393
1394 if (put_user(connector->property_values[i],
1395 prop_values + copied)) {
1396 ret = -EFAULT;
1397 goto out;
1398 }
1399 copied++;
1400 }
1401 }
1402 }
1403 out_resp->count_props = props_count;
1404
1405 if ((out_resp->count_encoders >= encoders_count) && encoders_count) {
1406 copied = 0;
1407 encoder_ptr = (uint32_t *)(unsigned long)(out_resp->encoders_ptr);
1408 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1409 if (connector->encoder_ids[i] != 0) {
1410 if (put_user(connector->encoder_ids[i],
1411 encoder_ptr + copied)) {
1412 ret = -EFAULT;
1413 goto out;
1414 }
1415 copied++;
1416 }
1417 }
1418 }
1419 out_resp->count_encoders = encoders_count;
1420
1421out:
1422 mutex_unlock(&dev->mode_config.mutex);
1423 return ret;
1424}
1425
1426int drm_mode_getencoder(struct drm_device *dev, void *data,
1427 struct drm_file *file_priv)
1428{
1429 struct drm_mode_get_encoder *enc_resp = data;
1430 struct drm_mode_object *obj;
1431 struct drm_encoder *encoder;
1432 int ret = 0;
1433
1434 mutex_lock(&dev->mode_config.mutex);
1435 obj = drm_mode_object_find(dev, enc_resp->encoder_id,
1436 DRM_MODE_OBJECT_ENCODER);
1437 if (!obj) {
1438 ret = -EINVAL;
1439 goto out;
1440 }
1441 encoder = obj_to_encoder(obj);
1442
1443 if (encoder->crtc)
1444 enc_resp->crtc_id = encoder->crtc->base.id;
1445 else
1446 enc_resp->crtc_id = 0;
1447 enc_resp->encoder_type = encoder->encoder_type;
1448 enc_resp->encoder_id = encoder->base.id;
1449 enc_resp->possible_crtcs = encoder->possible_crtcs;
1450 enc_resp->possible_clones = encoder->possible_clones;
1451
1452out:
1453 mutex_unlock(&dev->mode_config.mutex);
1454 return ret;
1455}
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474int drm_mode_setcrtc(struct drm_device *dev, void *data,
1475 struct drm_file *file_priv)
1476{
1477 struct drm_mode_config *config = &dev->mode_config;
1478 struct drm_mode_crtc *crtc_req = data;
1479 struct drm_mode_object *obj;
1480 struct drm_crtc *crtc, *crtcfb;
1481 struct drm_connector **connector_set = NULL, *connector;
1482 struct drm_framebuffer *fb = NULL;
1483 struct drm_display_mode *mode = NULL;
1484 struct drm_mode_set set;
1485 uint32_t __user *set_connectors_ptr;
1486 int ret = 0;
1487 int i;
1488
1489 mutex_lock(&dev->mode_config.mutex);
1490 obj = drm_mode_object_find(dev, crtc_req->crtc_id,
1491 DRM_MODE_OBJECT_CRTC);
1492 if (!obj) {
1493 DRM_DEBUG_KMS("Unknown CRTC ID %d\n", crtc_req->crtc_id);
1494 ret = -EINVAL;
1495 goto out;
1496 }
1497 crtc = obj_to_crtc(obj);
1498 DRM_DEBUG_KMS("[CRTC:%d]\n", crtc->base.id);
1499
1500 if (crtc_req->mode_valid) {
1501
1502
1503 if (crtc_req->fb_id == -1) {
1504 list_for_each_entry(crtcfb,
1505 &dev->mode_config.crtc_list, head) {
1506 if (crtcfb == crtc) {
1507 DRM_DEBUG_KMS("Using current fb for "
1508 "setmode\n");
1509 fb = crtc->fb;
1510 }
1511 }
1512 } else {
1513 obj = drm_mode_object_find(dev, crtc_req->fb_id,
1514 DRM_MODE_OBJECT_FB);
1515 if (!obj) {
1516 DRM_DEBUG_KMS("Unknown FB ID%d\n",
1517 crtc_req->fb_id);
1518 ret = -EINVAL;
1519 goto out;
1520 }
1521 fb = obj_to_fb(obj);
1522 }
1523
1524 mode = drm_mode_create(dev);
1525 drm_crtc_convert_umode(mode, &crtc_req->mode);
1526 drm_mode_set_crtcinfo(mode, CRTC_INTERLACE_HALVE_V);
1527 }
1528
1529 if (crtc_req->count_connectors == 0 && mode) {
1530 DRM_DEBUG_KMS("Count connectors is 0 but mode set\n");
1531 ret = -EINVAL;
1532 goto out;
1533 }
1534
1535 if (crtc_req->count_connectors > 0 && (!mode || !fb)) {
1536 DRM_DEBUG_KMS("Count connectors is %d but no mode or fb set\n",
1537 crtc_req->count_connectors);
1538 ret = -EINVAL;
1539 goto out;
1540 }
1541
1542 if (crtc_req->count_connectors > 0) {
1543 u32 out_id;
1544
1545
1546 if (crtc_req->count_connectors > config->num_connector) {
1547 ret = -EINVAL;
1548 goto out;
1549 }
1550
1551 connector_set = kmalloc(crtc_req->count_connectors *
1552 sizeof(struct drm_connector *),
1553 GFP_KERNEL);
1554 if (!connector_set) {
1555 ret = -ENOMEM;
1556 goto out;
1557 }
1558
1559 for (i = 0; i < crtc_req->count_connectors; i++) {
1560 set_connectors_ptr = (uint32_t *)(unsigned long)crtc_req->set_connectors_ptr;
1561 if (get_user(out_id, &set_connectors_ptr[i])) {
1562 ret = -EFAULT;
1563 goto out;
1564 }
1565
1566 obj = drm_mode_object_find(dev, out_id,
1567 DRM_MODE_OBJECT_CONNECTOR);
1568 if (!obj) {
1569 DRM_DEBUG_KMS("Connector id %d unknown\n",
1570 out_id);
1571 ret = -EINVAL;
1572 goto out;
1573 }
1574 connector = obj_to_connector(obj);
1575 DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n",
1576 connector->base.id,
1577 drm_get_connector_name(connector));
1578
1579 connector_set[i] = connector;
1580 }
1581 }
1582
1583 set.crtc = crtc;
1584 set.x = crtc_req->x;
1585 set.y = crtc_req->y;
1586 set.mode = mode;
1587 set.connectors = connector_set;
1588 set.num_connectors = crtc_req->count_connectors;
1589 set.fb = fb;
1590 ret = crtc->funcs->set_config(&set);
1591
1592out:
1593 kfree(connector_set);
1594 mutex_unlock(&dev->mode_config.mutex);
1595 return ret;
1596}
1597
1598int drm_mode_cursor_ioctl(struct drm_device *dev,
1599 void *data, struct drm_file *file_priv)
1600{
1601 struct drm_mode_cursor *req = data;
1602 struct drm_mode_object *obj;
1603 struct drm_crtc *crtc;
1604 int ret = 0;
1605
1606 if (!req->flags) {
1607 DRM_ERROR("no operation set\n");
1608 return -EINVAL;
1609 }
1610
1611 mutex_lock(&dev->mode_config.mutex);
1612 obj = drm_mode_object_find(dev, req->crtc_id, DRM_MODE_OBJECT_CRTC);
1613 if (!obj) {
1614 DRM_DEBUG_KMS("Unknown CRTC ID %d\n", req->crtc_id);
1615 ret = -EINVAL;
1616 goto out;
1617 }
1618 crtc = obj_to_crtc(obj);
1619
1620 if (req->flags & DRM_MODE_CURSOR_BO) {
1621 if (!crtc->funcs->cursor_set) {
1622 DRM_ERROR("crtc does not support cursor\n");
1623 ret = -ENXIO;
1624 goto out;
1625 }
1626
1627 ret = crtc->funcs->cursor_set(crtc, file_priv, req->handle,
1628 req->width, req->height);
1629 }
1630
1631 if (req->flags & DRM_MODE_CURSOR_MOVE) {
1632 if (crtc->funcs->cursor_move) {
1633 ret = crtc->funcs->cursor_move(crtc, req->x, req->y);
1634 } else {
1635 DRM_ERROR("crtc does not support cursor\n");
1636 ret = -EFAULT;
1637 goto out;
1638 }
1639 }
1640out:
1641 mutex_unlock(&dev->mode_config.mutex);
1642 return ret;
1643}
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662int drm_mode_addfb(struct drm_device *dev,
1663 void *data, struct drm_file *file_priv)
1664{
1665 struct drm_mode_fb_cmd *r = data;
1666 struct drm_mode_config *config = &dev->mode_config;
1667 struct drm_framebuffer *fb;
1668 int ret = 0;
1669
1670 if ((config->min_width > r->width) || (r->width > config->max_width)) {
1671 DRM_ERROR("mode new framebuffer width not within limits\n");
1672 return -EINVAL;
1673 }
1674 if ((config->min_height > r->height) || (r->height > config->max_height)) {
1675 DRM_ERROR("mode new framebuffer height not within limits\n");
1676 return -EINVAL;
1677 }
1678
1679 mutex_lock(&dev->mode_config.mutex);
1680
1681
1682
1683
1684 fb = dev->mode_config.funcs->fb_create(dev, file_priv, r);
1685 if (IS_ERR(fb)) {
1686 DRM_ERROR("could not create framebuffer\n");
1687 ret = PTR_ERR(fb);
1688 goto out;
1689 }
1690
1691 r->fb_id = fb->base.id;
1692 list_add(&fb->filp_head, &file_priv->fbs);
1693 DRM_DEBUG_KMS("[FB:%d]\n", fb->base.id);
1694
1695out:
1696 mutex_unlock(&dev->mode_config.mutex);
1697 return ret;
1698}
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717int drm_mode_rmfb(struct drm_device *dev,
1718 void *data, struct drm_file *file_priv)
1719{
1720 struct drm_mode_object *obj;
1721 struct drm_framebuffer *fb = NULL;
1722 struct drm_framebuffer *fbl = NULL;
1723 uint32_t *id = data;
1724 int ret = 0;
1725 int found = 0;
1726
1727 mutex_lock(&dev->mode_config.mutex);
1728 obj = drm_mode_object_find(dev, *id, DRM_MODE_OBJECT_FB);
1729
1730 if (!obj) {
1731 DRM_ERROR("mode invalid framebuffer id\n");
1732 ret = -EINVAL;
1733 goto out;
1734 }
1735 fb = obj_to_fb(obj);
1736
1737 list_for_each_entry(fbl, &file_priv->fbs, filp_head)
1738 if (fb == fbl)
1739 found = 1;
1740
1741 if (!found) {
1742 DRM_ERROR("tried to remove a fb that we didn't own\n");
1743 ret = -EINVAL;
1744 goto out;
1745 }
1746
1747
1748
1749
1750 list_del(&fb->filp_head);
1751 fb->funcs->destroy(fb);
1752
1753out:
1754 mutex_unlock(&dev->mode_config.mutex);
1755 return ret;
1756}
1757
1758
1759
1760
1761
1762
1763
1764
1765
1766
1767
1768
1769
1770
1771
1772
1773
1774
1775int drm_mode_getfb(struct drm_device *dev,
1776 void *data, struct drm_file *file_priv)
1777{
1778 struct drm_mode_fb_cmd *r = data;
1779 struct drm_mode_object *obj;
1780 struct drm_framebuffer *fb;
1781 int ret = 0;
1782
1783 mutex_lock(&dev->mode_config.mutex);
1784 obj = drm_mode_object_find(dev, r->fb_id, DRM_MODE_OBJECT_FB);
1785 if (!obj) {
1786 DRM_ERROR("invalid framebuffer id\n");
1787 ret = -EINVAL;
1788 goto out;
1789 }
1790 fb = obj_to_fb(obj);
1791
1792 r->height = fb->height;
1793 r->width = fb->width;
1794 r->depth = fb->depth;
1795 r->bpp = fb->bits_per_pixel;
1796 r->pitch = fb->pitch;
1797 fb->funcs->create_handle(fb, file_priv, &r->handle);
1798
1799out:
1800 mutex_unlock(&dev->mode_config.mutex);
1801 return ret;
1802}
1803
1804int drm_mode_dirtyfb_ioctl(struct drm_device *dev,
1805 void *data, struct drm_file *file_priv)
1806{
1807 struct drm_clip_rect __user *clips_ptr;
1808 struct drm_clip_rect *clips = NULL;
1809 struct drm_mode_fb_dirty_cmd *r = data;
1810 struct drm_mode_object *obj;
1811 struct drm_framebuffer *fb;
1812 unsigned flags;
1813 int num_clips;
1814 int ret = 0;
1815
1816 mutex_lock(&dev->mode_config.mutex);
1817 obj = drm_mode_object_find(dev, r->fb_id, DRM_MODE_OBJECT_FB);
1818 if (!obj) {
1819 DRM_ERROR("invalid framebuffer id\n");
1820 ret = -EINVAL;
1821 goto out_err1;
1822 }
1823 fb = obj_to_fb(obj);
1824
1825 num_clips = r->num_clips;
1826 clips_ptr = (struct drm_clip_rect *)(unsigned long)r->clips_ptr;
1827
1828 if (!num_clips != !clips_ptr) {
1829 ret = -EINVAL;
1830 goto out_err1;
1831 }
1832
1833 flags = DRM_MODE_FB_DIRTY_FLAGS & r->flags;
1834
1835
1836 if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY && (num_clips % 2)) {
1837 ret = -EINVAL;
1838 goto out_err1;
1839 }
1840
1841 if (num_clips && clips_ptr) {
1842 clips = kzalloc(num_clips * sizeof(*clips), GFP_KERNEL);
1843 if (!clips) {
1844 ret = -ENOMEM;
1845 goto out_err1;
1846 }
1847
1848 ret = copy_from_user(clips, clips_ptr,
1849 num_clips * sizeof(*clips));
1850 if (ret) {
1851 ret = -EFAULT;
1852 goto out_err2;
1853 }
1854 }
1855
1856 if (fb->funcs->dirty) {
1857 ret = fb->funcs->dirty(fb, file_priv, flags, r->color,
1858 clips, num_clips);
1859 } else {
1860 ret = -ENOSYS;
1861 goto out_err2;
1862 }
1863
1864out_err2:
1865 kfree(clips);
1866out_err1:
1867 mutex_unlock(&dev->mode_config.mutex);
1868 return ret;
1869}
1870
1871
1872
1873
1874
1875
1876
1877
1878
1879
1880
1881
1882
1883
1884
1885
1886void drm_fb_release(struct drm_file *priv)
1887{
1888 struct drm_device *dev = priv->minor->dev;
1889 struct drm_framebuffer *fb, *tfb;
1890
1891 mutex_lock(&dev->mode_config.mutex);
1892 list_for_each_entry_safe(fb, tfb, &priv->fbs, filp_head) {
1893 list_del(&fb->filp_head);
1894 fb->funcs->destroy(fb);
1895 }
1896 mutex_unlock(&dev->mode_config.mutex);
1897}
1898
1899
1900
1901
1902
1903
1904
1905
1906
1907static int drm_mode_attachmode(struct drm_device *dev,
1908 struct drm_connector *connector,
1909 struct drm_display_mode *mode)
1910{
1911 int ret = 0;
1912
1913 list_add_tail(&mode->head, &connector->user_modes);
1914 return ret;
1915}
1916
1917int drm_mode_attachmode_crtc(struct drm_device *dev, struct drm_crtc *crtc,
1918 struct drm_display_mode *mode)
1919{
1920 struct drm_connector *connector;
1921 int ret = 0;
1922 struct drm_display_mode *dup_mode;
1923 int need_dup = 0;
1924 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1925 if (!connector->encoder)
1926 break;
1927 if (connector->encoder->crtc == crtc) {
1928 if (need_dup)
1929 dup_mode = drm_mode_duplicate(dev, mode);
1930 else
1931 dup_mode = mode;
1932 ret = drm_mode_attachmode(dev, connector, dup_mode);
1933 if (ret)
1934 return ret;
1935 need_dup = 1;
1936 }
1937 }
1938 return 0;
1939}
1940EXPORT_SYMBOL(drm_mode_attachmode_crtc);
1941
1942static int drm_mode_detachmode(struct drm_device *dev,
1943 struct drm_connector *connector,
1944 struct drm_display_mode *mode)
1945{
1946 int found = 0;
1947 int ret = 0;
1948 struct drm_display_mode *match_mode, *t;
1949
1950 list_for_each_entry_safe(match_mode, t, &connector->user_modes, head) {
1951 if (drm_mode_equal(match_mode, mode)) {
1952 list_del(&match_mode->head);
1953 drm_mode_destroy(dev, match_mode);
1954 found = 1;
1955 break;
1956 }
1957 }
1958
1959 if (!found)
1960 ret = -EINVAL;
1961
1962 return ret;
1963}
1964
1965int drm_mode_detachmode_crtc(struct drm_device *dev, struct drm_display_mode *mode)
1966{
1967 struct drm_connector *connector;
1968
1969 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1970 drm_mode_detachmode(dev, connector, mode);
1971 }
1972 return 0;
1973}
1974EXPORT_SYMBOL(drm_mode_detachmode_crtc);
1975
1976
1977
1978
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989int drm_mode_attachmode_ioctl(struct drm_device *dev,
1990 void *data, struct drm_file *file_priv)
1991{
1992 struct drm_mode_mode_cmd *mode_cmd = data;
1993 struct drm_connector *connector;
1994 struct drm_display_mode *mode;
1995 struct drm_mode_object *obj;
1996 struct drm_mode_modeinfo *umode = &mode_cmd->mode;
1997 int ret = 0;
1998
1999 mutex_lock(&dev->mode_config.mutex);
2000
2001 obj = drm_mode_object_find(dev, mode_cmd->connector_id, DRM_MODE_OBJECT_CONNECTOR);
2002 if (!obj) {
2003 ret = -EINVAL;
2004 goto out;
2005 }
2006 connector = obj_to_connector(obj);
2007
2008 mode = drm_mode_create(dev);
2009 if (!mode) {
2010 ret = -ENOMEM;
2011 goto out;
2012 }
2013
2014 drm_crtc_convert_umode(mode, umode);
2015
2016 ret = drm_mode_attachmode(dev, connector, mode);
2017out:
2018 mutex_unlock(&dev->mode_config.mutex);
2019 return ret;
2020}
2021
2022
2023
2024
2025
2026
2027
2028
2029
2030
2031
2032
2033
2034
2035int drm_mode_detachmode_ioctl(struct drm_device *dev,
2036 void *data, struct drm_file *file_priv)
2037{
2038 struct drm_mode_object *obj;
2039 struct drm_mode_mode_cmd *mode_cmd = data;
2040 struct drm_connector *connector;
2041 struct drm_display_mode mode;
2042 struct drm_mode_modeinfo *umode = &mode_cmd->mode;
2043 int ret = 0;
2044
2045 mutex_lock(&dev->mode_config.mutex);
2046
2047 obj = drm_mode_object_find(dev, mode_cmd->connector_id, DRM_MODE_OBJECT_CONNECTOR);
2048 if (!obj) {
2049 ret = -EINVAL;
2050 goto out;
2051 }
2052 connector = obj_to_connector(obj);
2053
2054 drm_crtc_convert_umode(&mode, umode);
2055 ret = drm_mode_detachmode(dev, connector, &mode);
2056out:
2057 mutex_unlock(&dev->mode_config.mutex);
2058 return ret;
2059}
2060
2061struct drm_property *drm_property_create(struct drm_device *dev, int flags,
2062 const char *name, int num_values)
2063{
2064 struct drm_property *property = NULL;
2065
2066 property = kzalloc(sizeof(struct drm_property), GFP_KERNEL);
2067 if (!property)
2068 return NULL;
2069
2070 if (num_values) {
2071 property->values = kzalloc(sizeof(uint64_t)*num_values, GFP_KERNEL);
2072 if (!property->values)
2073 goto fail;
2074 }
2075
2076 drm_mode_object_get(dev, &property->base, DRM_MODE_OBJECT_PROPERTY);
2077 property->flags = flags;
2078 property->num_values = num_values;
2079 INIT_LIST_HEAD(&property->enum_blob_list);
2080
2081 if (name)
2082 strncpy(property->name, name, DRM_PROP_NAME_LEN);
2083
2084 list_add_tail(&property->head, &dev->mode_config.property_list);
2085 return property;
2086fail:
2087 kfree(property);
2088 return NULL;
2089}
2090EXPORT_SYMBOL(drm_property_create);
2091
2092int drm_property_add_enum(struct drm_property *property, int index,
2093 uint64_t value, const char *name)
2094{
2095 struct drm_property_enum *prop_enum;
2096
2097 if (!(property->flags & DRM_MODE_PROP_ENUM))
2098 return -EINVAL;
2099
2100 if (!list_empty(&property->enum_blob_list)) {
2101 list_for_each_entry(prop_enum, &property->enum_blob_list, head) {
2102 if (prop_enum->value == value) {
2103 strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN);
2104 prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0';
2105 return 0;
2106 }
2107 }
2108 }
2109
2110 prop_enum = kzalloc(sizeof(struct drm_property_enum), GFP_KERNEL);
2111 if (!prop_enum)
2112 return -ENOMEM;
2113
2114 strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN);
2115 prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0';
2116 prop_enum->value = value;
2117
2118 property->values[index] = value;
2119 list_add_tail(&prop_enum->head, &property->enum_blob_list);
2120 return 0;
2121}
2122EXPORT_SYMBOL(drm_property_add_enum);
2123
2124void drm_property_destroy(struct drm_device *dev, struct drm_property *property)
2125{
2126 struct drm_property_enum *prop_enum, *pt;
2127
2128 list_for_each_entry_safe(prop_enum, pt, &property->enum_blob_list, head) {
2129 list_del(&prop_enum->head);
2130 kfree(prop_enum);
2131 }
2132
2133 if (property->num_values)
2134 kfree(property->values);
2135 drm_mode_object_put(dev, &property->base);
2136 list_del(&property->head);
2137 kfree(property);
2138}
2139EXPORT_SYMBOL(drm_property_destroy);
2140
2141int drm_connector_attach_property(struct drm_connector *connector,
2142 struct drm_property *property, uint64_t init_val)
2143{
2144 int i;
2145
2146 for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) {
2147 if (connector->property_ids[i] == 0) {
2148 connector->property_ids[i] = property->base.id;
2149 connector->property_values[i] = init_val;
2150 break;
2151 }
2152 }
2153
2154 if (i == DRM_CONNECTOR_MAX_PROPERTY)
2155 return -EINVAL;
2156 return 0;
2157}
2158EXPORT_SYMBOL(drm_connector_attach_property);
2159
2160int drm_connector_property_set_value(struct drm_connector *connector,
2161 struct drm_property *property, uint64_t value)
2162{
2163 int i;
2164
2165 for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) {
2166 if (connector->property_ids[i] == property->base.id) {
2167 connector->property_values[i] = value;
2168 break;
2169 }
2170 }
2171
2172 if (i == DRM_CONNECTOR_MAX_PROPERTY)
2173 return -EINVAL;
2174 return 0;
2175}
2176EXPORT_SYMBOL(drm_connector_property_set_value);
2177
2178int drm_connector_property_get_value(struct drm_connector *connector,
2179 struct drm_property *property, uint64_t *val)
2180{
2181 int i;
2182
2183 for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) {
2184 if (connector->property_ids[i] == property->base.id) {
2185 *val = connector->property_values[i];
2186 break;
2187 }
2188 }
2189
2190 if (i == DRM_CONNECTOR_MAX_PROPERTY)
2191 return -EINVAL;
2192 return 0;
2193}
2194EXPORT_SYMBOL(drm_connector_property_get_value);
2195
2196int drm_mode_getproperty_ioctl(struct drm_device *dev,
2197 void *data, struct drm_file *file_priv)
2198{
2199 struct drm_mode_object *obj;
2200 struct drm_mode_get_property *out_resp = data;
2201 struct drm_property *property;
2202 int enum_count = 0;
2203 int blob_count = 0;
2204 int value_count = 0;
2205 int ret = 0, i;
2206 int copied;
2207 struct drm_property_enum *prop_enum;
2208 struct drm_mode_property_enum __user *enum_ptr;
2209 struct drm_property_blob *prop_blob;
2210 uint32_t *blob_id_ptr;
2211 uint64_t __user *values_ptr;
2212 uint32_t __user *blob_length_ptr;
2213
2214 mutex_lock(&dev->mode_config.mutex);
2215 obj = drm_mode_object_find(dev, out_resp->prop_id, DRM_MODE_OBJECT_PROPERTY);
2216 if (!obj) {
2217 ret = -EINVAL;
2218 goto done;
2219 }
2220 property = obj_to_property(obj);
2221
2222 if (property->flags & DRM_MODE_PROP_ENUM) {
2223 list_for_each_entry(prop_enum, &property->enum_blob_list, head)
2224 enum_count++;
2225 } else if (property->flags & DRM_MODE_PROP_BLOB) {
2226 list_for_each_entry(prop_blob, &property->enum_blob_list, head)
2227 blob_count++;
2228 }
2229
2230 value_count = property->num_values;
2231
2232 strncpy(out_resp->name, property->name, DRM_PROP_NAME_LEN);
2233 out_resp->name[DRM_PROP_NAME_LEN-1] = 0;
2234 out_resp->flags = property->flags;
2235
2236 if ((out_resp->count_values >= value_count) && value_count) {
2237 values_ptr = (uint64_t *)(unsigned long)out_resp->values_ptr;
2238 for (i = 0; i < value_count; i++) {
2239 if (copy_to_user(values_ptr + i, &property->values[i], sizeof(uint64_t))) {
2240 ret = -EFAULT;
2241 goto done;
2242 }
2243 }
2244 }
2245 out_resp->count_values = value_count;
2246
2247 if (property->flags & DRM_MODE_PROP_ENUM) {
2248 if ((out_resp->count_enum_blobs >= enum_count) && enum_count) {
2249 copied = 0;
2250 enum_ptr = (struct drm_mode_property_enum *)(unsigned long)out_resp->enum_blob_ptr;
2251 list_for_each_entry(prop_enum, &property->enum_blob_list, head) {
2252
2253 if (copy_to_user(&enum_ptr[copied].value, &prop_enum->value, sizeof(uint64_t))) {
2254 ret = -EFAULT;
2255 goto done;
2256 }
2257
2258 if (copy_to_user(&enum_ptr[copied].name,
2259 &prop_enum->name, DRM_PROP_NAME_LEN)) {
2260 ret = -EFAULT;
2261 goto done;
2262 }
2263 copied++;
2264 }
2265 }
2266 out_resp->count_enum_blobs = enum_count;
2267 }
2268
2269 if (property->flags & DRM_MODE_PROP_BLOB) {
2270 if ((out_resp->count_enum_blobs >= blob_count) && blob_count) {
2271 copied = 0;
2272 blob_id_ptr = (uint32_t *)(unsigned long)out_resp->enum_blob_ptr;
2273 blob_length_ptr = (uint32_t *)(unsigned long)out_resp->values_ptr;
2274
2275 list_for_each_entry(prop_blob, &property->enum_blob_list, head) {
2276 if (put_user(prop_blob->base.id, blob_id_ptr + copied)) {
2277 ret = -EFAULT;
2278 goto done;
2279 }
2280
2281 if (put_user(prop_blob->length, blob_length_ptr + copied)) {
2282 ret = -EFAULT;
2283 goto done;
2284 }
2285
2286 copied++;
2287 }
2288 }
2289 out_resp->count_enum_blobs = blob_count;
2290 }
2291done:
2292 mutex_unlock(&dev->mode_config.mutex);
2293 return ret;
2294}
2295
2296static struct drm_property_blob *drm_property_create_blob(struct drm_device *dev, int length,
2297 void *data)
2298{
2299 struct drm_property_blob *blob;
2300
2301 if (!length || !data)
2302 return NULL;
2303
2304 blob = kzalloc(sizeof(struct drm_property_blob)+length, GFP_KERNEL);
2305 if (!blob)
2306 return NULL;
2307
2308 blob->data = (void *)((char *)blob + sizeof(struct drm_property_blob));
2309 blob->length = length;
2310
2311 memcpy(blob->data, data, length);
2312
2313 drm_mode_object_get(dev, &blob->base, DRM_MODE_OBJECT_BLOB);
2314
2315 list_add_tail(&blob->head, &dev->mode_config.property_blob_list);
2316 return blob;
2317}
2318
2319static void drm_property_destroy_blob(struct drm_device *dev,
2320 struct drm_property_blob *blob)
2321{
2322 drm_mode_object_put(dev, &blob->base);
2323 list_del(&blob->head);
2324 kfree(blob);
2325}
2326
2327int drm_mode_getblob_ioctl(struct drm_device *dev,
2328 void *data, struct drm_file *file_priv)
2329{
2330 struct drm_mode_object *obj;
2331 struct drm_mode_get_blob *out_resp = data;
2332 struct drm_property_blob *blob;
2333 int ret = 0;
2334 void *blob_ptr;
2335
2336 mutex_lock(&dev->mode_config.mutex);
2337 obj = drm_mode_object_find(dev, out_resp->blob_id, DRM_MODE_OBJECT_BLOB);
2338 if (!obj) {
2339 ret = -EINVAL;
2340 goto done;
2341 }
2342 blob = obj_to_blob(obj);
2343
2344 if (out_resp->length == blob->length) {
2345 blob_ptr = (void *)(unsigned long)out_resp->data;
2346 if (copy_to_user(blob_ptr, blob->data, blob->length)){
2347 ret = -EFAULT;
2348 goto done;
2349 }
2350 }
2351 out_resp->length = blob->length;
2352
2353done:
2354 mutex_unlock(&dev->mode_config.mutex);
2355 return ret;
2356}
2357
2358int drm_mode_connector_update_edid_property(struct drm_connector *connector,
2359 struct edid *edid)
2360{
2361 struct drm_device *dev = connector->dev;
2362 int ret = 0, size;
2363
2364 if (connector->edid_blob_ptr)
2365 drm_property_destroy_blob(dev, connector->edid_blob_ptr);
2366
2367
2368 if (!edid) {
2369 connector->edid_blob_ptr = NULL;
2370 ret = drm_connector_property_set_value(connector, dev->mode_config.edid_property, 0);
2371 return ret;
2372 }
2373
2374 size = EDID_LENGTH * (1 + edid->extensions);
2375 connector->edid_blob_ptr = drm_property_create_blob(connector->dev,
2376 size, edid);
2377
2378 ret = drm_connector_property_set_value(connector,
2379 dev->mode_config.edid_property,
2380 connector->edid_blob_ptr->base.id);
2381
2382 return ret;
2383}
2384EXPORT_SYMBOL(drm_mode_connector_update_edid_property);
2385
2386int drm_mode_connector_property_set_ioctl(struct drm_device *dev,
2387 void *data, struct drm_file *file_priv)
2388{
2389 struct drm_mode_connector_set_property *out_resp = data;
2390 struct drm_mode_object *obj;
2391 struct drm_property *property;
2392 struct drm_connector *connector;
2393 int ret = -EINVAL;
2394 int i;
2395
2396 mutex_lock(&dev->mode_config.mutex);
2397
2398 obj = drm_mode_object_find(dev, out_resp->connector_id, DRM_MODE_OBJECT_CONNECTOR);
2399 if (!obj) {
2400 goto out;
2401 }
2402 connector = obj_to_connector(obj);
2403
2404 for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) {
2405 if (connector->property_ids[i] == out_resp->prop_id)
2406 break;
2407 }
2408
2409 if (i == DRM_CONNECTOR_MAX_PROPERTY) {
2410 goto out;
2411 }
2412
2413 obj = drm_mode_object_find(dev, out_resp->prop_id, DRM_MODE_OBJECT_PROPERTY);
2414 if (!obj) {
2415 goto out;
2416 }
2417 property = obj_to_property(obj);
2418
2419 if (property->flags & DRM_MODE_PROP_IMMUTABLE)
2420 goto out;
2421
2422 if (property->flags & DRM_MODE_PROP_RANGE) {
2423 if (out_resp->value < property->values[0])
2424 goto out;
2425
2426 if (out_resp->value > property->values[1])
2427 goto out;
2428 } else {
2429 int found = 0;
2430 for (i = 0; i < property->num_values; i++) {
2431 if (property->values[i] == out_resp->value) {
2432 found = 1;
2433 break;
2434 }
2435 }
2436 if (!found) {
2437 goto out;
2438 }
2439 }
2440
2441
2442 if (property == connector->dev->mode_config.dpms_property) {
2443 if (connector->funcs->dpms)
2444 (*connector->funcs->dpms)(connector, (int) out_resp->value);
2445 ret = 0;
2446 } else if (connector->funcs->set_property)
2447 ret = connector->funcs->set_property(connector, property, out_resp->value);
2448
2449
2450 if (!ret)
2451 drm_connector_property_set_value(connector, property, out_resp->value);
2452out:
2453 mutex_unlock(&dev->mode_config.mutex);
2454 return ret;
2455}
2456
2457int drm_mode_connector_attach_encoder(struct drm_connector *connector,
2458 struct drm_encoder *encoder)
2459{
2460 int i;
2461
2462 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
2463 if (connector->encoder_ids[i] == 0) {
2464 connector->encoder_ids[i] = encoder->base.id;
2465 return 0;
2466 }
2467 }
2468 return -ENOMEM;
2469}
2470EXPORT_SYMBOL(drm_mode_connector_attach_encoder);
2471
2472void drm_mode_connector_detach_encoder(struct drm_connector *connector,
2473 struct drm_encoder *encoder)
2474{
2475 int i;
2476 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
2477 if (connector->encoder_ids[i] == encoder->base.id) {
2478 connector->encoder_ids[i] = 0;
2479 if (connector->encoder == encoder)
2480 connector->encoder = NULL;
2481 break;
2482 }
2483 }
2484}
2485EXPORT_SYMBOL(drm_mode_connector_detach_encoder);
2486
2487bool drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc,
2488 int gamma_size)
2489{
2490 crtc->gamma_size = gamma_size;
2491
2492 crtc->gamma_store = kzalloc(gamma_size * sizeof(uint16_t) * 3, GFP_KERNEL);
2493 if (!crtc->gamma_store) {
2494 crtc->gamma_size = 0;
2495 return false;
2496 }
2497
2498 return true;
2499}
2500EXPORT_SYMBOL(drm_mode_crtc_set_gamma_size);
2501
2502int drm_mode_gamma_set_ioctl(struct drm_device *dev,
2503 void *data, struct drm_file *file_priv)
2504{
2505 struct drm_mode_crtc_lut *crtc_lut = data;
2506 struct drm_mode_object *obj;
2507 struct drm_crtc *crtc;
2508 void *r_base, *g_base, *b_base;
2509 int size;
2510 int ret = 0;
2511
2512 mutex_lock(&dev->mode_config.mutex);
2513 obj = drm_mode_object_find(dev, crtc_lut->crtc_id, DRM_MODE_OBJECT_CRTC);
2514 if (!obj) {
2515 ret = -EINVAL;
2516 goto out;
2517 }
2518 crtc = obj_to_crtc(obj);
2519
2520
2521 if (crtc_lut->gamma_size != crtc->gamma_size) {
2522 ret = -EINVAL;
2523 goto out;
2524 }
2525
2526 size = crtc_lut->gamma_size * (sizeof(uint16_t));
2527 r_base = crtc->gamma_store;
2528 if (copy_from_user(r_base, (void __user *)(unsigned long)crtc_lut->red, size)) {
2529 ret = -EFAULT;
2530 goto out;
2531 }
2532
2533 g_base = r_base + size;
2534 if (copy_from_user(g_base, (void __user *)(unsigned long)crtc_lut->green, size)) {
2535 ret = -EFAULT;
2536 goto out;
2537 }
2538
2539 b_base = g_base + size;
2540 if (copy_from_user(b_base, (void __user *)(unsigned long)crtc_lut->blue, size)) {
2541 ret = -EFAULT;
2542 goto out;
2543 }
2544
2545 crtc->funcs->gamma_set(crtc, r_base, g_base, b_base, 0, crtc->gamma_size);
2546
2547out:
2548 mutex_unlock(&dev->mode_config.mutex);
2549 return ret;
2550
2551}
2552
2553int drm_mode_gamma_get_ioctl(struct drm_device *dev,
2554 void *data, struct drm_file *file_priv)
2555{
2556 struct drm_mode_crtc_lut *crtc_lut = data;
2557 struct drm_mode_object *obj;
2558 struct drm_crtc *crtc;
2559 void *r_base, *g_base, *b_base;
2560 int size;
2561 int ret = 0;
2562
2563 mutex_lock(&dev->mode_config.mutex);
2564 obj = drm_mode_object_find(dev, crtc_lut->crtc_id, DRM_MODE_OBJECT_CRTC);
2565 if (!obj) {
2566 ret = -EINVAL;
2567 goto out;
2568 }
2569 crtc = obj_to_crtc(obj);
2570
2571
2572 if (crtc_lut->gamma_size != crtc->gamma_size) {
2573 ret = -EINVAL;
2574 goto out;
2575 }
2576
2577 size = crtc_lut->gamma_size * (sizeof(uint16_t));
2578 r_base = crtc->gamma_store;
2579 if (copy_to_user((void __user *)(unsigned long)crtc_lut->red, r_base, size)) {
2580 ret = -EFAULT;
2581 goto out;
2582 }
2583
2584 g_base = r_base + size;
2585 if (copy_to_user((void __user *)(unsigned long)crtc_lut->green, g_base, size)) {
2586 ret = -EFAULT;
2587 goto out;
2588 }
2589
2590 b_base = g_base + size;
2591 if (copy_to_user((void __user *)(unsigned long)crtc_lut->blue, b_base, size)) {
2592 ret = -EFAULT;
2593 goto out;
2594 }
2595out:
2596 mutex_unlock(&dev->mode_config.mutex);
2597 return ret;
2598}
2599
2600int drm_mode_page_flip_ioctl(struct drm_device *dev,
2601 void *data, struct drm_file *file_priv)
2602{
2603 struct drm_mode_crtc_page_flip *page_flip = data;
2604 struct drm_mode_object *obj;
2605 struct drm_crtc *crtc;
2606 struct drm_framebuffer *fb;
2607 struct drm_pending_vblank_event *e = NULL;
2608 unsigned long flags;
2609 int ret = -EINVAL;
2610
2611 if (page_flip->flags & ~DRM_MODE_PAGE_FLIP_FLAGS ||
2612 page_flip->reserved != 0)
2613 return -EINVAL;
2614
2615 mutex_lock(&dev->mode_config.mutex);
2616 obj = drm_mode_object_find(dev, page_flip->crtc_id, DRM_MODE_OBJECT_CRTC);
2617 if (!obj)
2618 goto out;
2619 crtc = obj_to_crtc(obj);
2620
2621 if (crtc->fb == NULL) {
2622
2623
2624
2625
2626 ret = -EBUSY;
2627 goto out;
2628 }
2629
2630 if (crtc->funcs->page_flip == NULL)
2631 goto out;
2632
2633 obj = drm_mode_object_find(dev, page_flip->fb_id, DRM_MODE_OBJECT_FB);
2634 if (!obj)
2635 goto out;
2636 fb = obj_to_fb(obj);
2637
2638 if (page_flip->flags & DRM_MODE_PAGE_FLIP_EVENT) {
2639 ret = -ENOMEM;
2640 spin_lock_irqsave(&dev->event_lock, flags);
2641 if (file_priv->event_space < sizeof e->event) {
2642 spin_unlock_irqrestore(&dev->event_lock, flags);
2643 goto out;
2644 }
2645 file_priv->event_space -= sizeof e->event;
2646 spin_unlock_irqrestore(&dev->event_lock, flags);
2647
2648 e = kzalloc(sizeof *e, GFP_KERNEL);
2649 if (e == NULL) {
2650 spin_lock_irqsave(&dev->event_lock, flags);
2651 file_priv->event_space += sizeof e->event;
2652 spin_unlock_irqrestore(&dev->event_lock, flags);
2653 goto out;
2654 }
2655
2656 e->event.base.type = DRM_EVENT_FLIP_COMPLETE;
2657 e->event.base.length = sizeof e->event;
2658 e->event.user_data = page_flip->user_data;
2659 e->base.event = &e->event.base;
2660 e->base.file_priv = file_priv;
2661 e->base.destroy =
2662 (void (*) (struct drm_pending_event *)) kfree;
2663 }
2664
2665 ret = crtc->funcs->page_flip(crtc, fb, e);
2666 if (ret) {
2667 spin_lock_irqsave(&dev->event_lock, flags);
2668 file_priv->event_space += sizeof e->event;
2669 spin_unlock_irqrestore(&dev->event_lock, flags);
2670 kfree(e);
2671 }
2672
2673out:
2674 mutex_unlock(&dev->mode_config.mutex);
2675 return ret;
2676}
2677
2678void drm_mode_config_reset(struct drm_device *dev)
2679{
2680 struct drm_crtc *crtc;
2681 struct drm_encoder *encoder;
2682 struct drm_connector *connector;
2683
2684 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head)
2685 if (crtc->funcs->reset)
2686 crtc->funcs->reset(crtc);
2687
2688 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head)
2689 if (encoder->funcs->reset)
2690 encoder->funcs->reset(encoder);
2691
2692 list_for_each_entry(connector, &dev->mode_config.connector_list, head)
2693 if (connector->funcs->reset)
2694 connector->funcs->reset(connector);
2695}
2696EXPORT_SYMBOL(drm_mode_config_reset);
2697