1 /*
2 * Copyright (c) 2006-2008 Intel Corporation
3 * Copyright (c) 2007 Dave Airlie <airlied@linux.ie>
4 * Copyright (c) 2008 Red Hat Inc.
5 *
6 * DRM core CRTC related functions
7 *
8 * Permission to use, copy, modify, distribute, and sell this software and its
9 * documentation for any purpose is hereby granted without fee, provided that
10 * the above copyright notice appear in all copies and that both that copyright
11 * notice and this permission notice appear in supporting documentation, and
12 * that the name of the copyright holders not be used in advertising or
13 * publicity pertaining to distribution of the software without specific,
14 * written prior permission. The copyright holders make no representations
15 * about the suitability of this software for any purpose. It is provided "as
16 * is" without express or implied warranty.
17 *
18 * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
19 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
20 * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
21 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
22 * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
23 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
24 * OF THIS SOFTWARE.
25 *
26 * Authors:
27 * Keith Packard
28 * Eric Anholt <eric@anholt.net>
29 * Dave Airlie <airlied@linux.ie>
30 * Jesse Barnes <jesse.barnes@intel.com>
31 */
32 #include <sys/cdefs.h>
33 __FBSDID("$FreeBSD: stable/9/sys/dev/drm2/drm_crtc.c 263170 2014-03-14 12:37:42Z dumbbell $");
34
35 #include <dev/drm2/drm.h>
36 #include <dev/drm2/drmP.h>
37 #include <dev/drm2/drm_crtc.h>
38 #include <dev/drm2/drm_edid.h>
39 #include <dev/drm2/drm_fourcc.h>
40 #include <sys/limits.h>
41
42 /* Avoid boilerplate. I'm tired of typing. */
43 #define DRM_ENUM_NAME_FN(fnname, list) \
44 char *fnname(int val) \
45 { \
46 int i; \
47 for (i = 0; i < DRM_ARRAY_SIZE(list); i++) { \
48 if (list[i].type == val) \
49 return list[i].name; \
50 } \
51 return "(unknown)"; \
52 }
53
54 /*
55 * Global properties
56 */
57 static struct drm_prop_enum_list drm_dpms_enum_list[] =
58 { { DRM_MODE_DPMS_ON, "On" },
59 { DRM_MODE_DPMS_STANDBY, "Standby" },
60 { DRM_MODE_DPMS_SUSPEND, "Suspend" },
61 { DRM_MODE_DPMS_OFF, "Off" }
62 };
63
64 DRM_ENUM_NAME_FN(drm_get_dpms_name, drm_dpms_enum_list)
65
66 /*
67 * Optional properties
68 */
69 static struct drm_prop_enum_list drm_scaling_mode_enum_list[] =
70 {
71 { DRM_MODE_SCALE_NONE, "None" },
72 { DRM_MODE_SCALE_FULLSCREEN, "Full" },
73 { DRM_MODE_SCALE_CENTER, "Center" },
74 { DRM_MODE_SCALE_ASPECT, "Full aspect" },
75 };
76
77 static struct drm_prop_enum_list drm_dithering_mode_enum_list[] =
78 {
79 { DRM_MODE_DITHERING_OFF, "Off" },
80 { DRM_MODE_DITHERING_ON, "On" },
81 { DRM_MODE_DITHERING_AUTO, "Automatic" },
82 };
83
84 /*
85 * Non-global properties, but "required" for certain connectors.
86 */
87 static struct drm_prop_enum_list drm_dvi_i_select_enum_list[] =
88 {
89 { DRM_MODE_SUBCONNECTOR_Automatic, "Automatic" }, /* DVI-I and TV-out */
90 { DRM_MODE_SUBCONNECTOR_DVID, "DVI-D" }, /* DVI-I */
91 { DRM_MODE_SUBCONNECTOR_DVIA, "DVI-A" }, /* DVI-I */
92 };
93
94 DRM_ENUM_NAME_FN(drm_get_dvi_i_select_name, drm_dvi_i_select_enum_list)
95
96 static struct drm_prop_enum_list drm_dvi_i_subconnector_enum_list[] =
97 {
98 { DRM_MODE_SUBCONNECTOR_Unknown, "Unknown" }, /* DVI-I and TV-out */
99 { DRM_MODE_SUBCONNECTOR_DVID, "DVI-D" }, /* DVI-I */
100 { DRM_MODE_SUBCONNECTOR_DVIA, "DVI-A" }, /* DVI-I */
101 };
102
103 DRM_ENUM_NAME_FN(drm_get_dvi_i_subconnector_name,
104 drm_dvi_i_subconnector_enum_list)
105
106 static struct drm_prop_enum_list drm_tv_select_enum_list[] =
107 {
108 { DRM_MODE_SUBCONNECTOR_Automatic, "Automatic" }, /* DVI-I and TV-out */
109 { DRM_MODE_SUBCONNECTOR_Composite, "Composite" }, /* TV-out */
110 { DRM_MODE_SUBCONNECTOR_SVIDEO, "SVIDEO" }, /* TV-out */
111 { DRM_MODE_SUBCONNECTOR_Component, "Component" }, /* TV-out */
112 { DRM_MODE_SUBCONNECTOR_SCART, "SCART" }, /* TV-out */
113 };
114
115 DRM_ENUM_NAME_FN(drm_get_tv_select_name, drm_tv_select_enum_list)
116
117 static struct drm_prop_enum_list drm_tv_subconnector_enum_list[] =
118 {
119 { DRM_MODE_SUBCONNECTOR_Unknown, "Unknown" }, /* DVI-I and TV-out */
120 { DRM_MODE_SUBCONNECTOR_Composite, "Composite" }, /* TV-out */
121 { DRM_MODE_SUBCONNECTOR_SVIDEO, "SVIDEO" }, /* TV-out */
122 { DRM_MODE_SUBCONNECTOR_Component, "Component" }, /* TV-out */
123 { DRM_MODE_SUBCONNECTOR_SCART, "SCART" }, /* TV-out */
124 };
125
126 DRM_ENUM_NAME_FN(drm_get_tv_subconnector_name,
127 drm_tv_subconnector_enum_list)
128
129 static struct drm_prop_enum_list drm_dirty_info_enum_list[] = {
130 { DRM_MODE_DIRTY_OFF, "Off" },
131 { DRM_MODE_DIRTY_ON, "On" },
132 { DRM_MODE_DIRTY_ANNOTATE, "Annotate" },
133 };
134
135 DRM_ENUM_NAME_FN(drm_get_dirty_info_name,
136 drm_dirty_info_enum_list)
137
138 struct drm_conn_prop_enum_list {
139 int type;
140 char *name;
141 int count;
142 };
143
144 /*
145 * Connector and encoder types.
146 */
147 static struct drm_conn_prop_enum_list drm_connector_enum_list[] =
148 { { DRM_MODE_CONNECTOR_Unknown, "Unknown", 0 },
149 { DRM_MODE_CONNECTOR_VGA, "VGA", 0 },
150 { DRM_MODE_CONNECTOR_DVII, "DVI-I", 0 },
151 { DRM_MODE_CONNECTOR_DVID, "DVI-D", 0 },
152 { DRM_MODE_CONNECTOR_DVIA, "DVI-A", 0 },
153 { DRM_MODE_CONNECTOR_Composite, "Composite", 0 },
154 { DRM_MODE_CONNECTOR_SVIDEO, "SVIDEO", 0 },
155 { DRM_MODE_CONNECTOR_LVDS, "LVDS", 0 },
156 { DRM_MODE_CONNECTOR_Component, "Component", 0 },
157 { DRM_MODE_CONNECTOR_9PinDIN, "DIN", 0 },
158 { DRM_MODE_CONNECTOR_DisplayPort, "DP", 0 },
159 { DRM_MODE_CONNECTOR_HDMIA, "HDMI-A", 0 },
160 { DRM_MODE_CONNECTOR_HDMIB, "HDMI-B", 0 },
161 { DRM_MODE_CONNECTOR_TV, "TV", 0 },
162 { DRM_MODE_CONNECTOR_eDP, "eDP", 0 },
163 };
164
165 static struct drm_prop_enum_list drm_encoder_enum_list[] =
166 { { DRM_MODE_ENCODER_NONE, "None" },
167 { DRM_MODE_ENCODER_DAC, "DAC" },
168 { DRM_MODE_ENCODER_TMDS, "TMDS" },
169 { DRM_MODE_ENCODER_LVDS, "LVDS" },
170 { DRM_MODE_ENCODER_TVDAC, "TV" },
171 };
172
173 static void drm_property_destroy_blob(struct drm_device *dev,
174 struct drm_property_blob *blob);
175
drm_get_encoder_name(struct drm_encoder * encoder)176 char *drm_get_encoder_name(struct drm_encoder *encoder)
177 {
178 static char buf[32];
179
180 snprintf(buf, 32, "%s-%d",
181 drm_encoder_enum_list[encoder->encoder_type].name,
182 encoder->base.id);
183 return buf;
184 }
185
drm_get_connector_name(struct drm_connector * connector)186 char *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 }
195
drm_get_connector_status_name(enum drm_connector_status status)196 char *drm_get_connector_status_name(enum drm_connector_status status)
197 {
198 if (status == connector_status_connected)
199 return "connected";
200 else if (status == connector_status_disconnected)
201 return "disconnected";
202 else
203 return "unknown";
204 }
205
206 /**
207 * drm_mode_object_get - allocate a new identifier
208 * @dev: DRM device
209 * @ptr: object pointer, used to generate unique ID
210 * @type: object type
211 *
212 * LOCKING:
213 *
214 * Create a unique identifier based on @ptr in @dev's identifier space. Used
215 * for tracking modes, CRTCs and connectors.
216 *
217 * RETURNS:
218 * New unique (relative to other objects in @dev) integer identifier for the
219 * object.
220 */
drm_mode_object_get(struct drm_device * dev,struct drm_mode_object * obj,uint32_t obj_type)221 static int drm_mode_object_get(struct drm_device *dev,
222 struct drm_mode_object *obj, uint32_t obj_type)
223 {
224 int new_id;
225 int ret;
226
227 new_id = 0;
228 ret = drm_gem_name_create(&dev->mode_config.crtc_names, obj, &new_id);
229 if (ret != 0)
230 return (ret);
231
232 obj->id = new_id;
233 obj->type = obj_type;
234 return 0;
235 }
236
237 /**
238 * drm_mode_object_put - free an identifer
239 * @dev: DRM device
240 * @id: ID to free
241 *
242 * LOCKING:
243 * Caller must hold DRM mode_config lock.
244 *
245 * Free @id from @dev's unique identifier pool.
246 */
drm_mode_object_put(struct drm_device * dev,struct drm_mode_object * object)247 static void drm_mode_object_put(struct drm_device *dev,
248 struct drm_mode_object *object)
249 {
250
251 drm_gem_names_remove(&dev->mode_config.crtc_names, object->id);
252 }
253
drm_mode_object_find(struct drm_device * dev,uint32_t id,uint32_t type)254 struct drm_mode_object *drm_mode_object_find(struct drm_device *dev,
255 uint32_t id, uint32_t type)
256 {
257 struct drm_mode_object *obj;
258
259 obj = drm_gem_name_ref(&dev->mode_config.crtc_names, id, NULL);
260 if (!obj || (obj->type != type) || (obj->id != id))
261 obj = NULL;
262
263 return obj;
264 }
265
266 /**
267 * drm_framebuffer_init - initialize a framebuffer
268 * @dev: DRM device
269 *
270 * LOCKING:
271 * Caller must hold mode config lock.
272 *
273 * Allocates an ID for the framebuffer's parent mode object, sets its mode
274 * functions & device file and adds it to the master fd list.
275 *
276 * RETURNS:
277 * Zero on success, error code on failure.
278 */
drm_framebuffer_init(struct drm_device * dev,struct drm_framebuffer * fb,const struct drm_framebuffer_funcs * funcs)279 int drm_framebuffer_init(struct drm_device *dev, struct drm_framebuffer *fb,
280 const struct drm_framebuffer_funcs *funcs)
281 {
282 int ret;
283
284 DRM_MODE_CONFIG_ASSERT_LOCKED(dev);
285
286 ret = drm_mode_object_get(dev, &fb->base, DRM_MODE_OBJECT_FB);
287 if (ret)
288 return ret;
289
290 fb->dev = dev;
291 fb->funcs = funcs;
292 dev->mode_config.num_fb++;
293 list_add(&fb->head, &dev->mode_config.fb_list);
294
295 return 0;
296 }
297
298 /**
299 * drm_framebuffer_cleanup - remove a framebuffer object
300 * @fb: framebuffer to remove
301 *
302 * LOCKING:
303 * Caller must hold mode config lock.
304 *
305 * Scans all the CRTCs in @dev's mode_config. If they're using @fb, removes
306 * it, setting it to NULL.
307 */
drm_framebuffer_cleanup(struct drm_framebuffer * fb)308 void drm_framebuffer_cleanup(struct drm_framebuffer *fb)
309 {
310 struct drm_device *dev = fb->dev;
311 struct drm_crtc *crtc;
312 struct drm_plane *plane;
313 struct drm_mode_set set;
314 int ret;
315
316 DRM_MODE_CONFIG_ASSERT_LOCKED(dev);
317
318 /* remove from any CRTC */
319 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
320 if (crtc->fb == fb) {
321 /* should turn off the crtc */
322 memset(&set, 0, sizeof(struct drm_mode_set));
323 set.crtc = crtc;
324 set.fb = NULL;
325 ret = crtc->funcs->set_config(&set);
326 if (ret)
327 DRM_ERROR("failed to reset crtc %p when fb was deleted\n", crtc);
328 }
329 }
330
331 list_for_each_entry(plane, &dev->mode_config.plane_list, head) {
332 if (plane->fb == fb) {
333 /* should turn off the crtc */
334 ret = plane->funcs->disable_plane(plane);
335 if (ret)
336 DRM_ERROR("failed to disable plane with busy fb\n");
337 /* disconnect the plane from the fb and crtc: */
338 plane->fb = NULL;
339 plane->crtc = NULL;
340 }
341 }
342
343 drm_mode_object_put(dev, &fb->base);
344 list_del(&fb->head);
345 dev->mode_config.num_fb--;
346 }
347
348 /**
349 * drm_crtc_init - Initialise a new CRTC object
350 * @dev: DRM device
351 * @crtc: CRTC object to init
352 * @funcs: callbacks for the new CRTC
353 *
354 * LOCKING:
355 * Caller must hold mode config lock.
356 *
357 * Inits a new object created as base part of an driver crtc object.
358 *
359 * RETURNS:
360 * Zero on success, error code on failure.
361 */
drm_crtc_init(struct drm_device * dev,struct drm_crtc * crtc,const struct drm_crtc_funcs * funcs)362 int drm_crtc_init(struct drm_device *dev, struct drm_crtc *crtc,
363 const struct drm_crtc_funcs *funcs)
364 {
365 int ret;
366
367 crtc->dev = dev;
368 crtc->funcs = funcs;
369
370 sx_xlock(&dev->mode_config.mutex);
371 ret = drm_mode_object_get(dev, &crtc->base, DRM_MODE_OBJECT_CRTC);
372 if (ret)
373 goto out;
374
375 list_add_tail(&crtc->head, &dev->mode_config.crtc_list);
376 dev->mode_config.num_crtc++;
377 out:
378 sx_xunlock(&dev->mode_config.mutex);
379
380 return ret;
381 }
382
383 /**
384 * drm_crtc_cleanup - Cleans up the core crtc usage.
385 * @crtc: CRTC to cleanup
386 *
387 * LOCKING:
388 * Caller must hold mode config lock.
389 *
390 * Cleanup @crtc. Removes from drm modesetting space
391 * does NOT free object, caller does that.
392 */
drm_crtc_cleanup(struct drm_crtc * crtc)393 void drm_crtc_cleanup(struct drm_crtc *crtc)
394 {
395 struct drm_device *dev = crtc->dev;
396
397 DRM_MODE_CONFIG_ASSERT_LOCKED(dev);
398
399 if (crtc->gamma_store) {
400 free(crtc->gamma_store, DRM_MEM_KMS);
401 crtc->gamma_store = NULL;
402 }
403
404 drm_mode_object_put(dev, &crtc->base);
405 list_del(&crtc->head);
406 dev->mode_config.num_crtc--;
407 }
408
409 /**
410 * drm_mode_probed_add - add a mode to a connector's probed mode list
411 * @connector: connector the new mode
412 * @mode: mode data
413 *
414 * LOCKING:
415 * Caller must hold mode config lock.
416 *
417 * Add @mode to @connector's mode list for later use.
418 */
drm_mode_probed_add(struct drm_connector * connector,struct drm_display_mode * mode)419 void drm_mode_probed_add(struct drm_connector *connector,
420 struct drm_display_mode *mode)
421 {
422
423 DRM_MODE_CONFIG_ASSERT_LOCKED(connector->dev);
424
425 list_add(&mode->head, &connector->probed_modes);
426 }
427
428 /**
429 * drm_mode_remove - remove and free a mode
430 * @connector: connector list to modify
431 * @mode: mode to remove
432 *
433 * LOCKING:
434 * Caller must hold mode config lock.
435 *
436 * Remove @mode from @connector's mode list, then free it.
437 */
drm_mode_remove(struct drm_connector * connector,struct drm_display_mode * mode)438 void drm_mode_remove(struct drm_connector *connector,
439 struct drm_display_mode *mode)
440 {
441
442 DRM_MODE_CONFIG_ASSERT_LOCKED(connector->dev);
443
444 list_del(&mode->head);
445 drm_mode_destroy(connector->dev, mode);
446 }
447
448 /**
449 * drm_connector_init - Init a preallocated connector
450 * @dev: DRM device
451 * @connector: the connector to init
452 * @funcs: callbacks for this connector
453 * @name: user visible name of the connector
454 *
455 * LOCKING:
456 * Takes mode config lock.
457 *
458 * Initialises a preallocated connector. Connectors should be
459 * subclassed as part of driver connector objects.
460 *
461 * RETURNS:
462 * Zero on success, error code on failure.
463 */
drm_connector_init(struct drm_device * dev,struct drm_connector * connector,const struct drm_connector_funcs * funcs,int connector_type)464 int drm_connector_init(struct drm_device *dev,
465 struct drm_connector *connector,
466 const struct drm_connector_funcs *funcs,
467 int connector_type)
468 {
469 int ret;
470
471 sx_xlock(&dev->mode_config.mutex);
472
473 ret = drm_mode_object_get(dev, &connector->base, DRM_MODE_OBJECT_CONNECTOR);
474 if (ret)
475 goto out;
476
477 connector->dev = dev;
478 connector->funcs = funcs;
479 connector->connector_type = connector_type;
480 connector->connector_type_id =
481 ++drm_connector_enum_list[connector_type].count; /* TODO */
482 INIT_LIST_HEAD(&connector->user_modes);
483 INIT_LIST_HEAD(&connector->probed_modes);
484 INIT_LIST_HEAD(&connector->modes);
485 connector->edid_blob_ptr = NULL;
486
487 list_add_tail(&connector->head, &dev->mode_config.connector_list);
488 dev->mode_config.num_connector++;
489
490 drm_connector_attach_property(connector,
491 dev->mode_config.edid_property, 0);
492
493 drm_connector_attach_property(connector,
494 dev->mode_config.dpms_property, 0);
495
496 out:
497 sx_xunlock(&dev->mode_config.mutex);
498
499 return ret;
500 }
501
502 /**
503 * drm_connector_cleanup - cleans up an initialised connector
504 * @connector: connector to cleanup
505 *
506 * LOCKING:
507 * Takes mode config lock.
508 *
509 * Cleans up the connector but doesn't free the object.
510 */
drm_connector_cleanup(struct drm_connector * connector)511 void drm_connector_cleanup(struct drm_connector *connector)
512 {
513 struct drm_device *dev = connector->dev;
514 struct drm_display_mode *mode, *t;
515
516 list_for_each_entry_safe(mode, t, &connector->probed_modes, head)
517 drm_mode_remove(connector, mode);
518
519 list_for_each_entry_safe(mode, t, &connector->modes, head)
520 drm_mode_remove(connector, mode);
521
522 list_for_each_entry_safe(mode, t, &connector->user_modes, head)
523 drm_mode_remove(connector, mode);
524
525 sx_xlock(&dev->mode_config.mutex);
526 if (connector->edid_blob_ptr)
527 drm_property_destroy_blob(dev, connector->edid_blob_ptr);
528 drm_mode_object_put(dev, &connector->base);
529 list_del(&connector->head);
530 dev->mode_config.num_connector--;
531 sx_xunlock(&dev->mode_config.mutex);
532 }
533
drm_encoder_init(struct drm_device * dev,struct drm_encoder * encoder,const struct drm_encoder_funcs * funcs,int encoder_type)534 int drm_encoder_init(struct drm_device *dev,
535 struct drm_encoder *encoder,
536 const struct drm_encoder_funcs *funcs,
537 int encoder_type)
538 {
539 int ret;
540
541 sx_xlock(&dev->mode_config.mutex);
542
543 ret = drm_mode_object_get(dev, &encoder->base, DRM_MODE_OBJECT_ENCODER);
544 if (ret)
545 goto out;
546
547 encoder->dev = dev;
548 encoder->encoder_type = encoder_type;
549 encoder->funcs = funcs;
550
551 list_add_tail(&encoder->head, &dev->mode_config.encoder_list);
552 dev->mode_config.num_encoder++;
553
554 out:
555 sx_xunlock(&dev->mode_config.mutex);
556
557 return ret;
558 }
559
drm_encoder_cleanup(struct drm_encoder * encoder)560 void drm_encoder_cleanup(struct drm_encoder *encoder)
561 {
562 struct drm_device *dev = encoder->dev;
563
564 sx_xlock(&dev->mode_config.mutex);
565 drm_mode_object_put(dev, &encoder->base);
566 list_del(&encoder->head);
567 dev->mode_config.num_encoder--;
568 sx_xunlock(&dev->mode_config.mutex);
569 }
570
drm_plane_init(struct drm_device * dev,struct drm_plane * plane,unsigned long possible_crtcs,const struct drm_plane_funcs * funcs,const uint32_t * formats,uint32_t format_count,bool priv)571 int drm_plane_init(struct drm_device *dev, struct drm_plane *plane,
572 unsigned long possible_crtcs,
573 const struct drm_plane_funcs *funcs,
574 const uint32_t *formats, uint32_t format_count,
575 bool priv)
576 {
577 int ret;
578
579 sx_xlock(&dev->mode_config.mutex);
580
581 ret = drm_mode_object_get(dev, &plane->base, DRM_MODE_OBJECT_PLANE);
582 if (ret)
583 goto out;
584
585 plane->dev = dev;
586 plane->funcs = funcs;
587 plane->format_types = malloc(sizeof(uint32_t) * format_count,
588 DRM_MEM_KMS, M_WAITOK);
589
590 memcpy(plane->format_types, formats, format_count * sizeof(uint32_t));
591 plane->format_count = format_count;
592 plane->possible_crtcs = possible_crtcs;
593
594 /* private planes are not exposed to userspace, but depending on
595 * display hardware, might be convenient to allow sharing programming
596 * for the scanout engine with the crtc implementation.
597 */
598 if (!priv) {
599 list_add_tail(&plane->head, &dev->mode_config.plane_list);
600 dev->mode_config.num_plane++;
601 } else {
602 INIT_LIST_HEAD(&plane->head);
603 }
604
605 out:
606 sx_xunlock(&dev->mode_config.mutex);
607
608 return ret;
609 }
610
drm_plane_cleanup(struct drm_plane * plane)611 void drm_plane_cleanup(struct drm_plane *plane)
612 {
613 struct drm_device *dev = plane->dev;
614
615 sx_xlock(&dev->mode_config.mutex);
616 free(plane->format_types, DRM_MEM_KMS);
617 drm_mode_object_put(dev, &plane->base);
618 /* if not added to a list, it must be a private plane */
619 if (!list_empty(&plane->head)) {
620 list_del(&plane->head);
621 dev->mode_config.num_plane--;
622 }
623 sx_xunlock(&dev->mode_config.mutex);
624 }
625
626 /**
627 * drm_mode_create - create a new display mode
628 * @dev: DRM device
629 *
630 * LOCKING:
631 * Caller must hold DRM mode_config lock.
632 *
633 * Create a new drm_display_mode, give it an ID, and return it.
634 *
635 * RETURNS:
636 * Pointer to new mode on success, NULL on error.
637 */
drm_mode_create(struct drm_device * dev)638 struct drm_display_mode *drm_mode_create(struct drm_device *dev)
639 {
640 struct drm_display_mode *nmode;
641
642 nmode = malloc(sizeof(struct drm_display_mode), DRM_MEM_KMS,
643 M_WAITOK | M_ZERO);
644
645 if (drm_mode_object_get(dev, &nmode->base, DRM_MODE_OBJECT_MODE)) {
646 free(nmode, DRM_MEM_KMS);
647 return (NULL);
648 }
649 return nmode;
650 }
651
652 /**
653 * drm_mode_destroy - remove a mode
654 * @dev: DRM device
655 * @mode: mode to remove
656 *
657 * LOCKING:
658 * Caller must hold mode config lock.
659 *
660 * Free @mode's unique identifier, then free it.
661 */
drm_mode_destroy(struct drm_device * dev,struct drm_display_mode * mode)662 void drm_mode_destroy(struct drm_device *dev, struct drm_display_mode *mode)
663 {
664 if (!mode)
665 return;
666
667 drm_mode_object_put(dev, &mode->base);
668
669 free(mode, DRM_MEM_KMS);
670 }
671
drm_mode_create_standard_connector_properties(struct drm_device * dev)672 static int drm_mode_create_standard_connector_properties(struct drm_device *dev)
673 {
674 struct drm_property *edid;
675 struct drm_property *dpms;
676
677 /*
678 * Standard properties (apply to all connectors)
679 */
680 edid = drm_property_create(dev, DRM_MODE_PROP_BLOB |
681 DRM_MODE_PROP_IMMUTABLE,
682 "EDID", 0);
683 dev->mode_config.edid_property = edid;
684
685 dpms = drm_property_create_enum(dev, 0,
686 "DPMS", drm_dpms_enum_list,
687 DRM_ARRAY_SIZE(drm_dpms_enum_list));
688 dev->mode_config.dpms_property = dpms;
689
690 return 0;
691 }
692
693 /**
694 * drm_mode_create_dvi_i_properties - create DVI-I specific connector properties
695 * @dev: DRM device
696 *
697 * Called by a driver the first time a DVI-I connector is made.
698 */
drm_mode_create_dvi_i_properties(struct drm_device * dev)699 int drm_mode_create_dvi_i_properties(struct drm_device *dev)
700 {
701 struct drm_property *dvi_i_selector;
702 struct drm_property *dvi_i_subconnector;
703
704 if (dev->mode_config.dvi_i_select_subconnector_property)
705 return 0;
706
707 dvi_i_selector =
708 drm_property_create_enum(dev, 0,
709 "select subconnector",
710 drm_dvi_i_select_enum_list,
711 DRM_ARRAY_SIZE(drm_dvi_i_select_enum_list));
712 dev->mode_config.dvi_i_select_subconnector_property = dvi_i_selector;
713
714 dvi_i_subconnector = drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE,
715 "subconnector",
716 drm_dvi_i_subconnector_enum_list,
717 DRM_ARRAY_SIZE(drm_dvi_i_subconnector_enum_list));
718 dev->mode_config.dvi_i_subconnector_property = dvi_i_subconnector;
719
720 return 0;
721 }
722
723 /**
724 * drm_create_tv_properties - create TV specific connector properties
725 * @dev: DRM device
726 * @num_modes: number of different TV formats (modes) supported
727 * @modes: array of pointers to strings containing name of each format
728 *
729 * Called by a driver's TV initialization routine, this function creates
730 * the TV specific connector properties for a given device. Caller is
731 * responsible for allocating a list of format names and passing them to
732 * this routine.
733 */
drm_mode_create_tv_properties(struct drm_device * dev,int num_modes,char * modes[])734 int drm_mode_create_tv_properties(struct drm_device *dev, int num_modes,
735 char *modes[])
736 {
737 struct drm_property *tv_selector;
738 struct drm_property *tv_subconnector;
739 int i;
740
741 if (dev->mode_config.tv_select_subconnector_property)
742 return 0;
743
744 /*
745 * Basic connector properties
746 */
747 tv_selector = drm_property_create_enum(dev, 0,
748 "select subconnector",
749 drm_tv_select_enum_list,
750 DRM_ARRAY_SIZE(drm_tv_select_enum_list));
751 dev->mode_config.tv_select_subconnector_property = tv_selector;
752
753 tv_subconnector =
754 drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE,
755 "subconnector",
756 drm_tv_subconnector_enum_list,
757 DRM_ARRAY_SIZE(drm_tv_subconnector_enum_list));
758 dev->mode_config.tv_subconnector_property = tv_subconnector;
759
760 /*
761 * Other, TV specific properties: margins & TV modes.
762 */
763 dev->mode_config.tv_left_margin_property =
764 drm_property_create_range(dev, 0, "left margin", 0, 100);
765
766 dev->mode_config.tv_right_margin_property =
767 drm_property_create_range(dev, 0, "right margin", 0, 100);
768
769 dev->mode_config.tv_top_margin_property =
770 drm_property_create_range(dev, 0, "top margin", 0, 100);
771
772 dev->mode_config.tv_bottom_margin_property =
773 drm_property_create_range(dev, 0, "bottom margin", 0, 100);
774
775 dev->mode_config.tv_mode_property =
776 drm_property_create(dev, DRM_MODE_PROP_ENUM,
777 "mode", num_modes);
778 for (i = 0; i < num_modes; i++)
779 drm_property_add_enum(dev->mode_config.tv_mode_property, i,
780 i, modes[i]);
781
782 dev->mode_config.tv_brightness_property =
783 drm_property_create_range(dev, 0, "brightness", 0, 100);
784
785 dev->mode_config.tv_contrast_property =
786 drm_property_create_range(dev, 0, "contrast", 0, 100);
787
788 dev->mode_config.tv_flicker_reduction_property =
789 drm_property_create_range(dev, 0, "flicker reduction", 0, 100);
790
791 dev->mode_config.tv_overscan_property =
792 drm_property_create_range(dev, 0, "overscan", 0, 100);
793
794 dev->mode_config.tv_saturation_property =
795 drm_property_create_range(dev, 0, "saturation", 0, 100);
796
797 dev->mode_config.tv_hue_property =
798 drm_property_create_range(dev, 0, "hue", 0, 100);
799
800 return 0;
801 }
802
803 /**
804 * drm_mode_create_scaling_mode_property - create scaling mode property
805 * @dev: DRM device
806 *
807 * Called by a driver the first time it's needed, must be attached to desired
808 * connectors.
809 */
drm_mode_create_scaling_mode_property(struct drm_device * dev)810 int drm_mode_create_scaling_mode_property(struct drm_device *dev)
811 {
812 struct drm_property *scaling_mode;
813
814 if (dev->mode_config.scaling_mode_property)
815 return 0;
816
817 scaling_mode =
818 drm_property_create_enum(dev, 0, "scaling mode",
819 drm_scaling_mode_enum_list,
820 DRM_ARRAY_SIZE(drm_scaling_mode_enum_list));
821
822 dev->mode_config.scaling_mode_property = scaling_mode;
823
824 return 0;
825 }
826
827 /**
828 * drm_mode_create_dithering_property - create dithering property
829 * @dev: DRM device
830 *
831 * Called by a driver the first time it's needed, must be attached to desired
832 * connectors.
833 */
drm_mode_create_dithering_property(struct drm_device * dev)834 int drm_mode_create_dithering_property(struct drm_device *dev)
835 {
836 struct drm_property *dithering_mode;
837
838 if (dev->mode_config.dithering_mode_property)
839 return 0;
840
841 dithering_mode =
842 drm_property_create_enum(dev, 0, "dithering",
843 drm_dithering_mode_enum_list,
844 DRM_ARRAY_SIZE(drm_dithering_mode_enum_list));
845 dev->mode_config.dithering_mode_property = dithering_mode;
846
847 return 0;
848 }
849
850 /**
851 * drm_mode_create_dirty_property - create dirty property
852 * @dev: DRM device
853 *
854 * Called by a driver the first time it's needed, must be attached to desired
855 * connectors.
856 */
drm_mode_create_dirty_info_property(struct drm_device * dev)857 int drm_mode_create_dirty_info_property(struct drm_device *dev)
858 {
859 struct drm_property *dirty_info;
860
861 if (dev->mode_config.dirty_info_property)
862 return 0;
863
864 dirty_info =
865 drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE,
866 "dirty",
867 drm_dirty_info_enum_list,
868 DRM_ARRAY_SIZE(drm_dirty_info_enum_list));
869 dev->mode_config.dirty_info_property = dirty_info;
870
871 return 0;
872 }
873
874 /**
875 * drm_mode_config_init - initialize DRM mode_configuration structure
876 * @dev: DRM device
877 *
878 * LOCKING:
879 * None, should happen single threaded at init time.
880 *
881 * Initialize @dev's mode_config structure, used for tracking the graphics
882 * configuration of @dev.
883 */
drm_mode_config_init(struct drm_device * dev)884 void drm_mode_config_init(struct drm_device *dev)
885 {
886 sx_init(&dev->mode_config.mutex, "kmslk");
887 INIT_LIST_HEAD(&dev->mode_config.fb_list);
888 INIT_LIST_HEAD(&dev->mode_config.crtc_list);
889 INIT_LIST_HEAD(&dev->mode_config.connector_list);
890 INIT_LIST_HEAD(&dev->mode_config.encoder_list);
891 INIT_LIST_HEAD(&dev->mode_config.property_list);
892 INIT_LIST_HEAD(&dev->mode_config.property_blob_list);
893 INIT_LIST_HEAD(&dev->mode_config.plane_list);
894 drm_gem_names_init(&dev->mode_config.crtc_names);
895
896 sx_xlock(&dev->mode_config.mutex);
897 drm_mode_create_standard_connector_properties(dev);
898 sx_xunlock(&dev->mode_config.mutex);
899
900 /* Just to be sure */
901 dev->mode_config.num_fb = 0;
902 dev->mode_config.num_connector = 0;
903 dev->mode_config.num_crtc = 0;
904 dev->mode_config.num_encoder = 0;
905 }
906
907 static int
drm_mode_group_init(struct drm_device * dev,struct drm_mode_group * group)908 drm_mode_group_init(struct drm_device *dev, struct drm_mode_group *group)
909 {
910 uint32_t total_objects = 0;
911
912 total_objects += dev->mode_config.num_crtc;
913 total_objects += dev->mode_config.num_connector;
914 total_objects += dev->mode_config.num_encoder;
915
916 group->id_list = malloc(total_objects * sizeof(uint32_t),
917 DRM_MEM_KMS, M_WAITOK | M_ZERO);
918
919 group->num_crtcs = 0;
920 group->num_connectors = 0;
921 group->num_encoders = 0;
922 return 0;
923 }
924
drm_mode_group_init_legacy_group(struct drm_device * dev,struct drm_mode_group * group)925 int drm_mode_group_init_legacy_group(struct drm_device *dev,
926 struct drm_mode_group *group)
927 {
928 struct drm_crtc *crtc;
929 struct drm_encoder *encoder;
930 struct drm_connector *connector;
931 int ret;
932
933 if ((ret = drm_mode_group_init(dev, group)))
934 return ret;
935
936 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head)
937 group->id_list[group->num_crtcs++] = crtc->base.id;
938
939 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head)
940 group->id_list[group->num_crtcs + group->num_encoders++] =
941 encoder->base.id;
942
943 list_for_each_entry(connector, &dev->mode_config.connector_list, head)
944 group->id_list[group->num_crtcs + group->num_encoders +
945 group->num_connectors++] = connector->base.id;
946
947 return 0;
948 }
949
950 /**
951 * drm_mode_config_cleanup - free up DRM mode_config info
952 * @dev: DRM device
953 *
954 * LOCKING:
955 * Caller must hold mode config lock.
956 *
957 * Free up all the connectors and CRTCs associated with this DRM device, then
958 * free up the framebuffers and associated buffer objects.
959 *
960 * FIXME: cleanup any dangling user buffer objects too
961 */
drm_mode_config_cleanup(struct drm_device * dev)962 void drm_mode_config_cleanup(struct drm_device *dev)
963 {
964 struct drm_connector *connector, *ot;
965 struct drm_crtc *crtc, *ct;
966 struct drm_encoder *encoder, *enct;
967 struct drm_framebuffer *fb, *fbt;
968 struct drm_property *property, *pt;
969 struct drm_plane *plane, *plt;
970
971 list_for_each_entry_safe(encoder, enct, &dev->mode_config.encoder_list,
972 head) {
973 encoder->funcs->destroy(encoder);
974 }
975
976 list_for_each_entry_safe(connector, ot,
977 &dev->mode_config.connector_list, head) {
978 connector->funcs->destroy(connector);
979 }
980
981 list_for_each_entry_safe(property, pt, &dev->mode_config.property_list,
982 head) {
983 drm_property_destroy(dev, property);
984 }
985
986 list_for_each_entry_safe(fb, fbt, &dev->mode_config.fb_list, head) {
987 fb->funcs->destroy(fb);
988 }
989
990 list_for_each_entry_safe(crtc, ct, &dev->mode_config.crtc_list, head) {
991 crtc->funcs->destroy(crtc);
992 }
993
994 list_for_each_entry_safe(plane, plt, &dev->mode_config.plane_list,
995 head) {
996 plane->funcs->destroy(plane);
997 }
998 drm_gem_names_fini(&dev->mode_config.crtc_names);
999 }
1000
1001 /**
1002 * drm_crtc_convert_to_umode - convert a drm_display_mode into a modeinfo
1003 * @out: drm_mode_modeinfo struct to return to the user
1004 * @in: drm_display_mode to use
1005 *
1006 * LOCKING:
1007 * None.
1008 *
1009 * Convert a drm_display_mode into a drm_mode_modeinfo structure to return to
1010 * the user.
1011 */
drm_crtc_convert_to_umode(struct drm_mode_modeinfo * out,const struct drm_display_mode * in)1012 static void drm_crtc_convert_to_umode(struct drm_mode_modeinfo *out,
1013 const struct drm_display_mode *in)
1014 {
1015 if (in->hdisplay > USHRT_MAX || in->hsync_start > USHRT_MAX ||
1016 in->hsync_end > USHRT_MAX || in->htotal > USHRT_MAX ||
1017 in->hskew > USHRT_MAX || in->vdisplay > USHRT_MAX ||
1018 in->vsync_start > USHRT_MAX || in->vsync_end > USHRT_MAX ||
1019 in->vtotal > USHRT_MAX || in->vscan > USHRT_MAX)
1020 printf("timing values too large for mode info\n");
1021
1022 out->clock = in->clock;
1023 out->hdisplay = in->hdisplay;
1024 out->hsync_start = in->hsync_start;
1025 out->hsync_end = in->hsync_end;
1026 out->htotal = in->htotal;
1027 out->hskew = in->hskew;
1028 out->vdisplay = in->vdisplay;
1029 out->vsync_start = in->vsync_start;
1030 out->vsync_end = in->vsync_end;
1031 out->vtotal = in->vtotal;
1032 out->vscan = in->vscan;
1033 out->vrefresh = in->vrefresh;
1034 out->flags = in->flags;
1035 out->type = in->type;
1036 strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN);
1037 out->name[DRM_DISPLAY_MODE_LEN-1] = 0;
1038 }
1039
1040 /**
1041 * drm_crtc_convert_to_umode - convert a modeinfo into a drm_display_mode
1042 * @out: drm_display_mode to return to the user
1043 * @in: drm_mode_modeinfo to use
1044 *
1045 * LOCKING:
1046 * None.
1047 *
1048 * Convert a drm_mode_modeinfo into a drm_display_mode structure to return to
1049 * the caller.
1050 *
1051 * RETURNS:
1052 * Zero on success, errno on failure.
1053 */
drm_crtc_convert_umode(struct drm_display_mode * out,const struct drm_mode_modeinfo * in)1054 static int drm_crtc_convert_umode(struct drm_display_mode *out,
1055 const struct drm_mode_modeinfo *in)
1056 {
1057 if (in->clock > INT_MAX || in->vrefresh > INT_MAX)
1058 return ERANGE;
1059
1060 out->clock = in->clock;
1061 out->hdisplay = in->hdisplay;
1062 out->hsync_start = in->hsync_start;
1063 out->hsync_end = in->hsync_end;
1064 out->htotal = in->htotal;
1065 out->hskew = in->hskew;
1066 out->vdisplay = in->vdisplay;
1067 out->vsync_start = in->vsync_start;
1068 out->vsync_end = in->vsync_end;
1069 out->vtotal = in->vtotal;
1070 out->vscan = in->vscan;
1071 out->vrefresh = in->vrefresh;
1072 out->flags = in->flags;
1073 out->type = in->type;
1074 strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN);
1075 out->name[DRM_DISPLAY_MODE_LEN-1] = 0;
1076
1077 return 0;
1078 }
1079
1080 /**
1081 * drm_mode_getresources - get graphics configuration
1082 * @inode: inode from the ioctl
1083 * @filp: file * from the ioctl
1084 * @cmd: cmd from ioctl
1085 * @arg: arg from ioctl
1086 *
1087 * LOCKING:
1088 * Takes mode config lock.
1089 *
1090 * Construct a set of configuration description structures and return
1091 * them to the user, including CRTC, connector and framebuffer configuration.
1092 *
1093 * Called by the user via ioctl.
1094 *
1095 * RETURNS:
1096 * Zero on success, errno on failure.
1097 */
drm_mode_getresources(struct drm_device * dev,void * data,struct drm_file * file_priv)1098 int drm_mode_getresources(struct drm_device *dev, void *data,
1099 struct drm_file *file_priv)
1100 {
1101 struct drm_mode_card_res *card_res = data;
1102 struct list_head *lh;
1103 struct drm_framebuffer *fb;
1104 struct drm_connector *connector;
1105 struct drm_crtc *crtc;
1106 struct drm_encoder *encoder;
1107 int ret = 0;
1108 int connector_count = 0;
1109 int crtc_count = 0;
1110 int fb_count = 0;
1111 int encoder_count = 0;
1112 int copied = 0, i;
1113 uint32_t __user *fb_id;
1114 uint32_t __user *crtc_id;
1115 uint32_t __user *connector_id;
1116 uint32_t __user *encoder_id;
1117 struct drm_mode_group *mode_group;
1118
1119 if (!drm_core_check_feature(dev, DRIVER_MODESET))
1120 return (EINVAL);
1121
1122 sx_xlock(&dev->mode_config.mutex);
1123
1124 /*
1125 * For the non-control nodes we need to limit the list of resources
1126 * by IDs in the group list for this node
1127 */
1128 list_for_each(lh, &file_priv->fbs)
1129 fb_count++;
1130
1131 #if 1
1132 mode_group = NULL; /* XXXKIB */
1133 if (1 || file_priv->master) {
1134 #else
1135 mode_group = &file_priv->masterp->minor->mode_group;
1136 if (file_priv->masterp->minor->type == DRM_MINOR_CONTROL) {
1137 #endif
1138
1139 list_for_each(lh, &dev->mode_config.crtc_list)
1140 crtc_count++;
1141
1142 list_for_each(lh, &dev->mode_config.connector_list)
1143 connector_count++;
1144
1145 list_for_each(lh, &dev->mode_config.encoder_list)
1146 encoder_count++;
1147 } else {
1148
1149 crtc_count = mode_group->num_crtcs;
1150 connector_count = mode_group->num_connectors;
1151 encoder_count = mode_group->num_encoders;
1152 }
1153
1154 card_res->max_height = dev->mode_config.max_height;
1155 card_res->min_height = dev->mode_config.min_height;
1156 card_res->max_width = dev->mode_config.max_width;
1157 card_res->min_width = dev->mode_config.min_width;
1158
1159 /* handle this in 4 parts */
1160 /* FBs */
1161 if (card_res->count_fbs >= fb_count) {
1162 copied = 0;
1163 fb_id = (uint32_t *)(uintptr_t)card_res->fb_id_ptr;
1164 list_for_each_entry(fb, &file_priv->fbs, filp_head) {
1165 if (copyout(&fb->base.id, fb_id + copied,
1166 sizeof(uint32_t))) {
1167 ret = EFAULT;
1168 goto out;
1169 }
1170 copied++;
1171 }
1172 }
1173 card_res->count_fbs = fb_count;
1174
1175 /* CRTCs */
1176 if (card_res->count_crtcs >= crtc_count) {
1177 copied = 0;
1178 crtc_id = (uint32_t *)(uintptr_t)card_res->crtc_id_ptr;
1179 #if 1
1180 if (1 || file_priv->master) {
1181 #else
1182 if (file_priv->masterp->minor->type == DRM_MINOR_CONTROL) {
1183 #endif
1184 list_for_each_entry(crtc, &dev->mode_config.crtc_list,
1185 head) {
1186 DRM_DEBUG_KMS("[CRTC:%d]\n", crtc->base.id);
1187 if (copyout(&crtc->base.id, crtc_id +
1188 copied, sizeof(uint32_t))) {
1189 ret = EFAULT;
1190 goto out;
1191 }
1192 copied++;
1193 }
1194 } else {
1195 for (i = 0; i < mode_group->num_crtcs; i++) {
1196 if (copyout(&mode_group->id_list[i],
1197 crtc_id + copied, sizeof(uint32_t))) {
1198 ret = EFAULT;
1199 goto out;
1200 }
1201 copied++;
1202 }
1203 }
1204 }
1205 card_res->count_crtcs = crtc_count;
1206
1207 /* Encoders */
1208 if (card_res->count_encoders >= encoder_count) {
1209 copied = 0;
1210 encoder_id = (uint32_t *)(uintptr_t)card_res->encoder_id_ptr;
1211 #if 1
1212 if (file_priv->master) {
1213 #else
1214 if (file_priv->masterp->minor->type == DRM_MINOR_CONTROL) {
1215 #endif
1216 list_for_each_entry(encoder,
1217 &dev->mode_config.encoder_list,
1218 head) {
1219 DRM_DEBUG_KMS("[ENCODER:%d:%s]\n", encoder->base.id,
1220 drm_get_encoder_name(encoder));
1221 if (copyout(&encoder->base.id, encoder_id +
1222 copied, sizeof(uint32_t))) {
1223 ret = EFAULT;
1224 goto out;
1225 }
1226 copied++;
1227 }
1228 } else {
1229 for (i = mode_group->num_crtcs;
1230 i < mode_group->num_crtcs + mode_group->num_encoders;
1231 i++) {
1232 if (copyout(&mode_group->id_list[i],
1233 encoder_id + copied, sizeof(uint32_t))) {
1234 ret = EFAULT;
1235 goto out;
1236 }
1237 copied++;
1238 }
1239
1240 }
1241 }
1242 card_res->count_encoders = encoder_count;
1243
1244 /* Connectors */
1245 if (card_res->count_connectors >= connector_count) {
1246 copied = 0;
1247 connector_id = (uint32_t *)(uintptr_t)card_res->connector_id_ptr;
1248 #if 1
1249 if (file_priv->master) {
1250 #else
1251 if (file_priv->masterp->minor->type == DRM_MINOR_CONTROL) {
1252 #endif
1253 list_for_each_entry(connector,
1254 &dev->mode_config.connector_list,
1255 head) {
1256 DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n",
1257 connector->base.id,
1258 drm_get_connector_name(connector));
1259 if (copyout(&connector->base.id,
1260 connector_id + copied, sizeof(uint32_t))) {
1261 ret = EFAULT;
1262 goto out;
1263 }
1264 copied++;
1265 }
1266 } else {
1267 int start = mode_group->num_crtcs +
1268 mode_group->num_encoders;
1269 for (i = start; i < start + mode_group->num_connectors; i++) {
1270 if (copyout(&mode_group->id_list[i],
1271 connector_id + copied, sizeof(uint32_t))) {
1272 ret = EFAULT;
1273 goto out;
1274 }
1275 copied++;
1276 }
1277 }
1278 }
1279 card_res->count_connectors = connector_count;
1280
1281 DRM_DEBUG_KMS("CRTC[%d] CONNECTORS[%d] ENCODERS[%d]\n", card_res->count_crtcs,
1282 card_res->count_connectors, card_res->count_encoders);
1283
1284 out:
1285 sx_xunlock(&dev->mode_config.mutex);
1286 return ret;
1287 }
1288
1289 /**
1290 * drm_mode_getcrtc - get CRTC configuration
1291 * @inode: inode from the ioctl
1292 * @filp: file * from the ioctl
1293 * @cmd: cmd from ioctl
1294 * @arg: arg from ioctl
1295 *
1296 * LOCKING:
1297 * Takes mode config lock.
1298 *
1299 * Construct a CRTC configuration structure to return to the user.
1300 *
1301 * Called by the user via ioctl.
1302 *
1303 * RETURNS:
1304 * Zero on success, errno on failure.
1305 */
1306 int drm_mode_getcrtc(struct drm_device *dev,
1307 void *data, struct drm_file *file_priv)
1308 {
1309 struct drm_mode_crtc *crtc_resp = data;
1310 struct drm_crtc *crtc;
1311 struct drm_mode_object *obj;
1312 int ret = 0;
1313
1314 if (!drm_core_check_feature(dev, DRIVER_MODESET))
1315 return (EINVAL);
1316
1317 sx_xlock(&dev->mode_config.mutex);
1318
1319 obj = drm_mode_object_find(dev, crtc_resp->crtc_id,
1320 DRM_MODE_OBJECT_CRTC);
1321 if (!obj) {
1322 ret = (EINVAL);
1323 goto out;
1324 }
1325 crtc = obj_to_crtc(obj);
1326
1327 crtc_resp->x = crtc->x;
1328 crtc_resp->y = crtc->y;
1329 crtc_resp->gamma_size = crtc->gamma_size;
1330 if (crtc->fb)
1331 crtc_resp->fb_id = crtc->fb->base.id;
1332 else
1333 crtc_resp->fb_id = 0;
1334
1335 if (crtc->enabled) {
1336
1337 drm_crtc_convert_to_umode(&crtc_resp->mode, &crtc->mode);
1338 crtc_resp->mode_valid = 1;
1339
1340 } else {
1341 crtc_resp->mode_valid = 0;
1342 }
1343
1344 out:
1345 sx_xunlock(&dev->mode_config.mutex);
1346 return ret;
1347 }
1348
1349 /**
1350 * drm_mode_getconnector - get connector configuration
1351 * @inode: inode from the ioctl
1352 * @filp: file * from the ioctl
1353 * @cmd: cmd from ioctl
1354 * @arg: arg from ioctl
1355 *
1356 * LOCKING:
1357 * Takes mode config lock.
1358 *
1359 * Construct a connector configuration structure to return to the user.
1360 *
1361 * Called by the user via ioctl.
1362 *
1363 * RETURNS:
1364 * Zero on success, errno on failure.
1365 */
1366 int drm_mode_getconnector(struct drm_device *dev, void *data,
1367 struct drm_file *file_priv)
1368 {
1369 struct drm_mode_get_connector *out_resp = data;
1370 struct drm_mode_object *obj;
1371 struct drm_connector *connector;
1372 struct drm_display_mode *mode;
1373 int mode_count = 0;
1374 int props_count = 0;
1375 int encoders_count = 0;
1376 int ret = 0;
1377 int copied = 0;
1378 int i;
1379 struct drm_mode_modeinfo u_mode;
1380 struct drm_mode_modeinfo __user *mode_ptr;
1381 uint32_t *prop_ptr;
1382 uint64_t *prop_values;
1383 uint32_t *encoder_ptr;
1384
1385 if (!drm_core_check_feature(dev, DRIVER_MODESET))
1386 return (EINVAL);
1387
1388 memset(&u_mode, 0, sizeof(struct drm_mode_modeinfo));
1389
1390 DRM_DEBUG_KMS("[CONNECTOR:%d:?]\n", out_resp->connector_id);
1391
1392 sx_xlock(&dev->mode_config.mutex);
1393
1394 obj = drm_mode_object_find(dev, out_resp->connector_id,
1395 DRM_MODE_OBJECT_CONNECTOR);
1396 if (!obj) {
1397 ret = EINVAL;
1398 goto out;
1399 }
1400 connector = obj_to_connector(obj);
1401
1402 for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) {
1403 if (connector->property_ids[i] != 0) {
1404 props_count++;
1405 }
1406 }
1407
1408 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1409 if (connector->encoder_ids[i] != 0) {
1410 encoders_count++;
1411 }
1412 }
1413
1414 if (out_resp->count_modes == 0) {
1415 connector->funcs->fill_modes(connector,
1416 dev->mode_config.max_width,
1417 dev->mode_config.max_height);
1418 }
1419
1420 /* delayed so we get modes regardless of pre-fill_modes state */
1421 list_for_each_entry(mode, &connector->modes, head)
1422 mode_count++;
1423
1424 out_resp->connector_id = connector->base.id;
1425 out_resp->connector_type = connector->connector_type;
1426 out_resp->connector_type_id = connector->connector_type_id;
1427 out_resp->mm_width = connector->display_info.width_mm;
1428 out_resp->mm_height = connector->display_info.height_mm;
1429 out_resp->subpixel = connector->display_info.subpixel_order;
1430 out_resp->connection = connector->status;
1431 if (connector->encoder)
1432 out_resp->encoder_id = connector->encoder->base.id;
1433 else
1434 out_resp->encoder_id = 0;
1435
1436 /*
1437 * This ioctl is called twice, once to determine how much space is
1438 * needed, and the 2nd time to fill it.
1439 */
1440 if ((out_resp->count_modes >= mode_count) && mode_count) {
1441 copied = 0;
1442 mode_ptr = (struct drm_mode_modeinfo *)(uintptr_t)out_resp->modes_ptr;
1443 list_for_each_entry(mode, &connector->modes, head) {
1444 drm_crtc_convert_to_umode(&u_mode, mode);
1445 if (copyout(&u_mode, mode_ptr + copied,
1446 sizeof(u_mode))) {
1447 ret = EFAULT;
1448 goto out;
1449 }
1450 copied++;
1451 }
1452 }
1453 out_resp->count_modes = mode_count;
1454
1455 if ((out_resp->count_props >= props_count) && props_count) {
1456 copied = 0;
1457 prop_ptr = (uint32_t *)(uintptr_t)(out_resp->props_ptr);
1458 prop_values = (uint64_t *)(uintptr_t)(out_resp->prop_values_ptr);
1459 for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) {
1460 if (connector->property_ids[i] != 0) {
1461 if (copyout(&connector->property_ids[i],
1462 prop_ptr + copied, sizeof(uint32_t))) {
1463 ret = EFAULT;
1464 goto out;
1465 }
1466
1467 if (copyout(&connector->property_values[i],
1468 prop_values + copied, sizeof(uint64_t))) {
1469 ret = EFAULT;
1470 goto out;
1471 }
1472 copied++;
1473 }
1474 }
1475 }
1476 out_resp->count_props = props_count;
1477
1478 if ((out_resp->count_encoders >= encoders_count) && encoders_count) {
1479 copied = 0;
1480 encoder_ptr = (uint32_t *)(uintptr_t)(out_resp->encoders_ptr);
1481 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
1482 if (connector->encoder_ids[i] != 0) {
1483 if (copyout(&connector->encoder_ids[i],
1484 encoder_ptr + copied, sizeof(uint32_t))) {
1485 ret = EFAULT;
1486 goto out;
1487 }
1488 copied++;
1489 }
1490 }
1491 }
1492 out_resp->count_encoders = encoders_count;
1493
1494 out:
1495 sx_xunlock(&dev->mode_config.mutex);
1496 return ret;
1497 }
1498
1499 int drm_mode_getencoder(struct drm_device *dev, void *data,
1500 struct drm_file *file_priv)
1501 {
1502 struct drm_mode_get_encoder *enc_resp = data;
1503 struct drm_mode_object *obj;
1504 struct drm_encoder *encoder;
1505 int ret = 0;
1506
1507 if (!drm_core_check_feature(dev, DRIVER_MODESET))
1508 return (EINVAL);
1509
1510 sx_xlock(&dev->mode_config.mutex);
1511 obj = drm_mode_object_find(dev, enc_resp->encoder_id,
1512 DRM_MODE_OBJECT_ENCODER);
1513 if (!obj) {
1514 ret = EINVAL;
1515 goto out;
1516 }
1517 encoder = obj_to_encoder(obj);
1518
1519 if (encoder->crtc)
1520 enc_resp->crtc_id = encoder->crtc->base.id;
1521 else
1522 enc_resp->crtc_id = 0;
1523 enc_resp->encoder_type = encoder->encoder_type;
1524 enc_resp->encoder_id = encoder->base.id;
1525 enc_resp->possible_crtcs = encoder->possible_crtcs;
1526 enc_resp->possible_clones = encoder->possible_clones;
1527
1528 out:
1529 sx_xunlock(&dev->mode_config.mutex);
1530 return ret;
1531 }
1532
1533 /**
1534 * drm_mode_getplane_res - get plane info
1535 * @dev: DRM device
1536 * @data: ioctl data
1537 * @file_priv: DRM file info
1538 *
1539 * LOCKING:
1540 * Takes mode config lock.
1541 *
1542 * Return an plane count and set of IDs.
1543 */
1544 int drm_mode_getplane_res(struct drm_device *dev, void *data,
1545 struct drm_file *file_priv)
1546 {
1547 struct drm_mode_get_plane_res *plane_resp = data;
1548 struct drm_mode_config *config;
1549 struct drm_plane *plane;
1550 uint32_t *plane_ptr;
1551 int copied = 0, ret = 0;
1552
1553 if (!drm_core_check_feature(dev, DRIVER_MODESET))
1554 return (EINVAL);
1555
1556 sx_xlock(&dev->mode_config.mutex);
1557 config = &dev->mode_config;
1558
1559 /*
1560 * This ioctl is called twice, once to determine how much space is
1561 * needed, and the 2nd time to fill it.
1562 */
1563 if (config->num_plane &&
1564 (plane_resp->count_planes >= config->num_plane)) {
1565 plane_ptr = (uint32_t *)(unsigned long)plane_resp->plane_id_ptr;
1566
1567 list_for_each_entry(plane, &config->plane_list, head) {
1568 if (copyout(&plane->base.id, plane_ptr + copied,
1569 sizeof(uint32_t))) {
1570 ret = EFAULT;
1571 goto out;
1572 }
1573 copied++;
1574 }
1575 }
1576 plane_resp->count_planes = config->num_plane;
1577
1578 out:
1579 sx_xunlock(&dev->mode_config.mutex);
1580 return ret;
1581 }
1582
1583 /**
1584 * drm_mode_getplane - get plane info
1585 * @dev: DRM device
1586 * @data: ioctl data
1587 * @file_priv: DRM file info
1588 *
1589 * LOCKING:
1590 * Takes mode config lock.
1591 *
1592 * Return plane info, including formats supported, gamma size, any
1593 * current fb, etc.
1594 */
1595 int drm_mode_getplane(struct drm_device *dev, void *data,
1596 struct drm_file *file_priv)
1597 {
1598 struct drm_mode_get_plane *plane_resp = data;
1599 struct drm_mode_object *obj;
1600 struct drm_plane *plane;
1601 uint32_t *format_ptr;
1602 int ret = 0;
1603
1604 if (!drm_core_check_feature(dev, DRIVER_MODESET))
1605 return (EINVAL);
1606
1607 sx_xlock(&dev->mode_config.mutex);
1608 obj = drm_mode_object_find(dev, plane_resp->plane_id,
1609 DRM_MODE_OBJECT_PLANE);
1610 if (!obj) {
1611 ret = ENOENT;
1612 goto out;
1613 }
1614 plane = obj_to_plane(obj);
1615
1616 if (plane->crtc)
1617 plane_resp->crtc_id = plane->crtc->base.id;
1618 else
1619 plane_resp->crtc_id = 0;
1620
1621 if (plane->fb)
1622 plane_resp->fb_id = plane->fb->base.id;
1623 else
1624 plane_resp->fb_id = 0;
1625
1626 plane_resp->plane_id = plane->base.id;
1627 plane_resp->possible_crtcs = plane->possible_crtcs;
1628 plane_resp->gamma_size = plane->gamma_size;
1629
1630 /*
1631 * This ioctl is called twice, once to determine how much space is
1632 * needed, and the 2nd time to fill it.
1633 */
1634 if (plane->format_count &&
1635 (plane_resp->count_format_types >= plane->format_count)) {
1636 format_ptr = (uint32_t *)(unsigned long)plane_resp->format_type_ptr;
1637 if (copyout(format_ptr,
1638 plane->format_types,
1639 sizeof(uint32_t) * plane->format_count)) {
1640 ret = EFAULT;
1641 goto out;
1642 }
1643 }
1644 plane_resp->count_format_types = plane->format_count;
1645
1646 out:
1647 sx_xunlock(&dev->mode_config.mutex);
1648 return ret;
1649 }
1650
1651 /**
1652 * drm_mode_setplane - set up or tear down an plane
1653 * @dev: DRM device
1654 * @data: ioctl data*
1655 * @file_prive: DRM file info
1656 *
1657 * LOCKING:
1658 * Takes mode config lock.
1659 *
1660 * Set plane info, including placement, fb, scaling, and other factors.
1661 * Or pass a NULL fb to disable.
1662 */
1663 int drm_mode_setplane(struct drm_device *dev, void *data,
1664 struct drm_file *file_priv)
1665 {
1666 struct drm_mode_set_plane *plane_req = data;
1667 struct drm_mode_object *obj;
1668 struct drm_plane *plane;
1669 struct drm_crtc *crtc;
1670 struct drm_framebuffer *fb;
1671 int ret = 0;
1672 unsigned int fb_width, fb_height;
1673 int i;
1674
1675 if (!drm_core_check_feature(dev, DRIVER_MODESET))
1676 return (EINVAL);
1677
1678 sx_xlock(&dev->mode_config.mutex);
1679
1680 /*
1681 * First, find the plane, crtc, and fb objects. If not available,
1682 * we don't bother to call the driver.
1683 */
1684 obj = drm_mode_object_find(dev, plane_req->plane_id,
1685 DRM_MODE_OBJECT_PLANE);
1686 if (!obj) {
1687 DRM_DEBUG_KMS("Unknown plane ID %d\n",
1688 plane_req->plane_id);
1689 ret = ENOENT;
1690 goto out;
1691 }
1692 plane = obj_to_plane(obj);
1693
1694 /* No fb means shut it down */
1695 if (!plane_req->fb_id) {
1696 plane->funcs->disable_plane(plane);
1697 plane->crtc = NULL;
1698 plane->fb = NULL;
1699 goto out;
1700 }
1701
1702 obj = drm_mode_object_find(dev, plane_req->crtc_id,
1703 DRM_MODE_OBJECT_CRTC);
1704 if (!obj) {
1705 DRM_DEBUG_KMS("Unknown crtc ID %d\n",
1706 plane_req->crtc_id);
1707 ret = ENOENT;
1708 goto out;
1709 }
1710 crtc = obj_to_crtc(obj);
1711
1712 obj = drm_mode_object_find(dev, plane_req->fb_id,
1713 DRM_MODE_OBJECT_FB);
1714 if (!obj) {
1715 DRM_DEBUG_KMS("Unknown framebuffer ID %d\n",
1716 plane_req->fb_id);
1717 ret = ENOENT;
1718 goto out;
1719 }
1720 fb = obj_to_fb(obj);
1721
1722 /* Check whether this plane supports the fb pixel format. */
1723 for (i = 0; i < plane->format_count; i++)
1724 if (fb->pixel_format == plane->format_types[i])
1725 break;
1726 if (i == plane->format_count) {
1727 DRM_DEBUG_KMS("Invalid pixel format 0x%08x\n", fb->pixel_format);
1728 ret = EINVAL;
1729 goto out;
1730 }
1731
1732 fb_width = fb->width << 16;
1733 fb_height = fb->height << 16;
1734
1735 /* Make sure source coordinates are inside the fb. */
1736 if (plane_req->src_w > fb_width ||
1737 plane_req->src_x > fb_width - plane_req->src_w ||
1738 plane_req->src_h > fb_height ||
1739 plane_req->src_y > fb_height - plane_req->src_h) {
1740 DRM_DEBUG_KMS("Invalid source coordinates "
1741 "%u.%06ux%u.%06u+%u.%06u+%u.%06u\n",
1742 plane_req->src_w >> 16,
1743 ((plane_req->src_w & 0xffff) * 15625) >> 10,
1744 plane_req->src_h >> 16,
1745 ((plane_req->src_h & 0xffff) * 15625) >> 10,
1746 plane_req->src_x >> 16,
1747 ((plane_req->src_x & 0xffff) * 15625) >> 10,
1748 plane_req->src_y >> 16,
1749 ((plane_req->src_y & 0xffff) * 15625) >> 10);
1750 ret = ENOSPC;
1751 goto out;
1752 }
1753
1754 /* Give drivers some help against integer overflows */
1755 if (plane_req->crtc_w > INT_MAX ||
1756 plane_req->crtc_x > INT_MAX - (int32_t) plane_req->crtc_w ||
1757 plane_req->crtc_h > INT_MAX ||
1758 plane_req->crtc_y > INT_MAX - (int32_t) plane_req->crtc_h) {
1759 DRM_DEBUG_KMS("Invalid CRTC coordinates %ux%u+%d+%d\n",
1760 plane_req->crtc_w, plane_req->crtc_h,
1761 plane_req->crtc_x, plane_req->crtc_y);
1762 ret = ERANGE;
1763 goto out;
1764 }
1765
1766 ret = -plane->funcs->update_plane(plane, crtc, fb,
1767 plane_req->crtc_x, plane_req->crtc_y,
1768 plane_req->crtc_w, plane_req->crtc_h,
1769 plane_req->src_x, plane_req->src_y,
1770 plane_req->src_w, plane_req->src_h);
1771 if (!ret) {
1772 plane->crtc = crtc;
1773 plane->fb = fb;
1774 }
1775
1776 out:
1777 sx_xunlock(&dev->mode_config.mutex);
1778
1779 return ret;
1780 }
1781
1782 /**
1783 * drm_mode_setcrtc - set CRTC configuration
1784 * @inode: inode from the ioctl
1785 * @filp: file * from the ioctl
1786 * @cmd: cmd from ioctl
1787 * @arg: arg from ioctl
1788 *
1789 * LOCKING:
1790 * Takes mode config lock.
1791 *
1792 * Build a new CRTC configuration based on user request.
1793 *
1794 * Called by the user via ioctl.
1795 *
1796 * RETURNS:
1797 * Zero on success, errno on failure.
1798 */
1799 int drm_mode_setcrtc(struct drm_device *dev, void *data,
1800 struct drm_file *file_priv)
1801 {
1802 struct drm_mode_config *config = &dev->mode_config;
1803 struct drm_mode_crtc *crtc_req = data;
1804 struct drm_mode_object *obj;
1805 struct drm_crtc *crtc;
1806 struct drm_connector **connector_set = NULL, *connector;
1807 struct drm_framebuffer *fb = NULL;
1808 struct drm_display_mode *mode = NULL;
1809 struct drm_mode_set set;
1810 uint32_t *set_connectors_ptr;
1811 int ret = 0;
1812 int i;
1813
1814 if (!drm_core_check_feature(dev, DRIVER_MODESET))
1815 return (EINVAL);
1816
1817 /* For some reason crtc x/y offsets are signed internally. */
1818 if (crtc_req->x > INT_MAX || crtc_req->y > INT_MAX)
1819 return (ERANGE);
1820
1821 sx_xlock(&dev->mode_config.mutex);
1822 obj = drm_mode_object_find(dev, crtc_req->crtc_id,
1823 DRM_MODE_OBJECT_CRTC);
1824 if (!obj) {
1825 DRM_DEBUG_KMS("Unknown CRTC ID %d\n", crtc_req->crtc_id);
1826 ret = EINVAL;
1827 goto out;
1828 }
1829 crtc = obj_to_crtc(obj);
1830 DRM_DEBUG_KMS("[CRTC:%d]\n", crtc->base.id);
1831
1832 if (crtc_req->mode_valid) {
1833 /* If we have a mode we need a framebuffer. */
1834 /* If we pass -1, set the mode with the currently bound fb */
1835 if (crtc_req->fb_id == -1) {
1836 if (!crtc->fb) {
1837 DRM_DEBUG_KMS("CRTC doesn't have current FB\n");
1838 ret = -EINVAL;
1839 goto out;
1840 }
1841 fb = crtc->fb;
1842 } else {
1843 obj = drm_mode_object_find(dev, crtc_req->fb_id,
1844 DRM_MODE_OBJECT_FB);
1845 if (!obj) {
1846 DRM_DEBUG_KMS("Unknown FB ID%d\n",
1847 crtc_req->fb_id);
1848 ret = EINVAL;
1849 goto out;
1850 }
1851 fb = obj_to_fb(obj);
1852 }
1853
1854 mode = drm_mode_create(dev);
1855 if (!mode) {
1856 ret = ENOMEM;
1857 goto out;
1858 }
1859
1860 ret = drm_crtc_convert_umode(mode, &crtc_req->mode);
1861 if (ret) {
1862 DRM_DEBUG_KMS("Invalid mode\n");
1863 goto out;
1864 }
1865
1866 drm_mode_set_crtcinfo(mode, CRTC_INTERLACE_HALVE_V);
1867
1868 if (mode->hdisplay > fb->width ||
1869 mode->vdisplay > fb->height ||
1870 crtc_req->x > fb->width - mode->hdisplay ||
1871 crtc_req->y > fb->height - mode->vdisplay) {
1872 DRM_DEBUG_KMS("Invalid CRTC viewport %ux%u+%u+%u for fb size %ux%u.\n",
1873 mode->hdisplay, mode->vdisplay,
1874 crtc_req->x, crtc_req->y,
1875 fb->width, fb->height);
1876 ret = ENOSPC;
1877 goto out;
1878 }
1879 }
1880
1881 if (crtc_req->count_connectors == 0 && mode) {
1882 DRM_DEBUG_KMS("Count connectors is 0 but mode set\n");
1883 ret = EINVAL;
1884 goto out;
1885 }
1886
1887 if (crtc_req->count_connectors > 0 && (!mode || !fb)) {
1888 DRM_DEBUG_KMS("Count connectors is %d but no mode or fb set\n",
1889 crtc_req->count_connectors);
1890 ret = EINVAL;
1891 goto out;
1892 }
1893
1894 if (crtc_req->count_connectors > 0) {
1895 u32 out_id;
1896
1897 /* Avoid unbounded kernel memory allocation */
1898 if (crtc_req->count_connectors > config->num_connector) {
1899 ret = EINVAL;
1900 goto out;
1901 }
1902
1903 connector_set = malloc(crtc_req->count_connectors *
1904 sizeof(struct drm_connector *), DRM_MEM_KMS, M_WAITOK);
1905
1906 for (i = 0; i < crtc_req->count_connectors; i++) {
1907 set_connectors_ptr = (uint32_t *)(uintptr_t)crtc_req->set_connectors_ptr;
1908 if (copyin(&set_connectors_ptr[i], &out_id, sizeof(uint32_t))) {
1909 ret = EFAULT;
1910 goto out;
1911 }
1912
1913 obj = drm_mode_object_find(dev, out_id,
1914 DRM_MODE_OBJECT_CONNECTOR);
1915 if (!obj) {
1916 DRM_DEBUG_KMS("Connector id %d unknown\n",
1917 out_id);
1918 ret = EINVAL;
1919 goto out;
1920 }
1921 connector = obj_to_connector(obj);
1922 DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n",
1923 connector->base.id,
1924 drm_get_connector_name(connector));
1925
1926 connector_set[i] = connector;
1927 }
1928 }
1929
1930 set.crtc = crtc;
1931 set.x = crtc_req->x;
1932 set.y = crtc_req->y;
1933 set.mode = mode;
1934 set.connectors = connector_set;
1935 set.num_connectors = crtc_req->count_connectors;
1936 set.fb = fb;
1937 ret = crtc->funcs->set_config(&set);
1938
1939 out:
1940 free(connector_set, DRM_MEM_KMS);
1941 drm_mode_destroy(dev, mode);
1942 sx_xunlock(&dev->mode_config.mutex);
1943 return ret;
1944 }
1945
1946 int drm_mode_cursor_ioctl(struct drm_device *dev,
1947 void *data, struct drm_file *file_priv)
1948 {
1949 struct drm_mode_cursor *req = data;
1950 struct drm_mode_object *obj;
1951 struct drm_crtc *crtc;
1952 int ret = 0;
1953
1954 if (!drm_core_check_feature(dev, DRIVER_MODESET))
1955 return (EINVAL);
1956
1957 if (!req->flags)
1958 return (EINVAL);
1959
1960 sx_xlock(&dev->mode_config.mutex);
1961 obj = drm_mode_object_find(dev, req->crtc_id, DRM_MODE_OBJECT_CRTC);
1962 if (!obj) {
1963 DRM_DEBUG_KMS("Unknown CRTC ID %d\n", req->crtc_id);
1964 ret = EINVAL;
1965 goto out;
1966 }
1967 crtc = obj_to_crtc(obj);
1968
1969 if (req->flags & DRM_MODE_CURSOR_BO) {
1970 if (!crtc->funcs->cursor_set) {
1971 ret = ENXIO;
1972 goto out;
1973 }
1974 /* Turns off the cursor if handle is 0 */
1975 ret = -crtc->funcs->cursor_set(crtc, file_priv, req->handle,
1976 req->width, req->height);
1977 }
1978
1979 if (req->flags & DRM_MODE_CURSOR_MOVE) {
1980 if (crtc->funcs->cursor_move) {
1981 ret = crtc->funcs->cursor_move(crtc, req->x, req->y);
1982 } else {
1983 ret = EFAULT;
1984 goto out;
1985 }
1986 }
1987 out:
1988 sx_xunlock(&dev->mode_config.mutex);
1989 return ret;
1990 }
1991
1992 /* Original addfb only supported RGB formats, so figure out which one */
1993 uint32_t drm_mode_legacy_fb_format(uint32_t bpp, uint32_t depth)
1994 {
1995 uint32_t fmt;
1996
1997 switch (bpp) {
1998 case 8:
1999 fmt = DRM_FORMAT_RGB332;
2000 break;
2001 case 16:
2002 if (depth == 15)
2003 fmt = DRM_FORMAT_XRGB1555;
2004 else
2005 fmt = DRM_FORMAT_RGB565;
2006 break;
2007 case 24:
2008 fmt = DRM_FORMAT_RGB888;
2009 break;
2010 case 32:
2011 if (depth == 24)
2012 fmt = DRM_FORMAT_XRGB8888;
2013 else if (depth == 30)
2014 fmt = DRM_FORMAT_XRGB2101010;
2015 else
2016 fmt = DRM_FORMAT_ARGB8888;
2017 break;
2018 default:
2019 DRM_ERROR("bad bpp, assuming RGB24 pixel format\n");
2020 fmt = DRM_FORMAT_XRGB8888;
2021 break;
2022 }
2023
2024 return fmt;
2025 }
2026
2027 /**
2028 * drm_mode_addfb - add an FB to the graphics configuration
2029 * @inode: inode from the ioctl
2030 * @filp: file * from the ioctl
2031 * @cmd: cmd from ioctl
2032 * @arg: arg from ioctl
2033 *
2034 * LOCKING:
2035 * Takes mode config lock.
2036 *
2037 * Add a new FB to the specified CRTC, given a user request.
2038 *
2039 * Called by the user via ioctl.
2040 *
2041 * RETURNS:
2042 * Zero on success, errno on failure.
2043 */
2044 int drm_mode_addfb(struct drm_device *dev,
2045 void *data, struct drm_file *file_priv)
2046 {
2047 struct drm_mode_fb_cmd *or = data;
2048 struct drm_mode_fb_cmd2 r = {};
2049 struct drm_mode_config *config = &dev->mode_config;
2050 struct drm_framebuffer *fb;
2051 int ret = 0;
2052
2053 /* Use new struct with format internally */
2054 r.fb_id = or->fb_id;
2055 r.width = or->width;
2056 r.height = or->height;
2057 r.pitches[0] = or->pitch;
2058 r.pixel_format = drm_mode_legacy_fb_format(or->bpp, or->depth);
2059 r.handles[0] = or->handle;
2060
2061 if (!drm_core_check_feature(dev, DRIVER_MODESET))
2062 return (EINVAL);
2063
2064 if ((config->min_width > r.width) || (r.width > config->max_width))
2065 return (EINVAL);
2066 if ((config->min_height > r.height) || (r.height > config->max_height))
2067 return (EINVAL);
2068
2069 sx_xlock(&dev->mode_config.mutex);
2070
2071 ret = -dev->mode_config.funcs->fb_create(dev, file_priv, &r, &fb);
2072 if (ret != 0) {
2073 DRM_ERROR("could not create framebuffer, error %d\n", ret);
2074 goto out;
2075 }
2076
2077 or->fb_id = fb->base.id;
2078 list_add(&fb->filp_head, &file_priv->fbs);
2079 DRM_DEBUG_KMS("[FB:%d]\n", fb->base.id);
2080
2081 out:
2082 sx_xunlock(&dev->mode_config.mutex);
2083 return ret;
2084 }
2085
2086 static int format_check(struct drm_mode_fb_cmd2 *r)
2087 {
2088 uint32_t format = r->pixel_format & ~DRM_FORMAT_BIG_ENDIAN;
2089
2090 switch (format) {
2091 case DRM_FORMAT_C8:
2092 case DRM_FORMAT_RGB332:
2093 case DRM_FORMAT_BGR233:
2094 case DRM_FORMAT_XRGB4444:
2095 case DRM_FORMAT_XBGR4444:
2096 case DRM_FORMAT_RGBX4444:
2097 case DRM_FORMAT_BGRX4444:
2098 case DRM_FORMAT_ARGB4444:
2099 case DRM_FORMAT_ABGR4444:
2100 case DRM_FORMAT_RGBA4444:
2101 case DRM_FORMAT_BGRA4444:
2102 case DRM_FORMAT_XRGB1555:
2103 case DRM_FORMAT_XBGR1555:
2104 case DRM_FORMAT_RGBX5551:
2105 case DRM_FORMAT_BGRX5551:
2106 case DRM_FORMAT_ARGB1555:
2107 case DRM_FORMAT_ABGR1555:
2108 case DRM_FORMAT_RGBA5551:
2109 case DRM_FORMAT_BGRA5551:
2110 case DRM_FORMAT_RGB565:
2111 case DRM_FORMAT_BGR565:
2112 case DRM_FORMAT_RGB888:
2113 case DRM_FORMAT_BGR888:
2114 case DRM_FORMAT_XRGB8888:
2115 case DRM_FORMAT_XBGR8888:
2116 case DRM_FORMAT_RGBX8888:
2117 case DRM_FORMAT_BGRX8888:
2118 case DRM_FORMAT_ARGB8888:
2119 case DRM_FORMAT_ABGR8888:
2120 case DRM_FORMAT_RGBA8888:
2121 case DRM_FORMAT_BGRA8888:
2122 case DRM_FORMAT_XRGB2101010:
2123 case DRM_FORMAT_XBGR2101010:
2124 case DRM_FORMAT_RGBX1010102:
2125 case DRM_FORMAT_BGRX1010102:
2126 case DRM_FORMAT_ARGB2101010:
2127 case DRM_FORMAT_ABGR2101010:
2128 case DRM_FORMAT_RGBA1010102:
2129 case DRM_FORMAT_BGRA1010102:
2130 case DRM_FORMAT_YUYV:
2131 case DRM_FORMAT_YVYU:
2132 case DRM_FORMAT_UYVY:
2133 case DRM_FORMAT_VYUY:
2134 case DRM_FORMAT_AYUV:
2135 case DRM_FORMAT_NV12:
2136 case DRM_FORMAT_NV21:
2137 case DRM_FORMAT_NV16:
2138 case DRM_FORMAT_NV61:
2139 case DRM_FORMAT_YUV410:
2140 case DRM_FORMAT_YVU410:
2141 case DRM_FORMAT_YUV411:
2142 case DRM_FORMAT_YVU411:
2143 case DRM_FORMAT_YUV420:
2144 case DRM_FORMAT_YVU420:
2145 case DRM_FORMAT_YUV422:
2146 case DRM_FORMAT_YVU422:
2147 case DRM_FORMAT_YUV444:
2148 case DRM_FORMAT_YVU444:
2149 return 0;
2150 default:
2151 return (EINVAL);
2152 }
2153 }
2154
2155 /**
2156 * drm_mode_addfb2 - add an FB to the graphics configuration
2157 * @inode: inode from the ioctl
2158 * @filp: file * from the ioctl
2159 * @cmd: cmd from ioctl
2160 * @arg: arg from ioctl
2161 *
2162 * LOCKING:
2163 * Takes mode config lock.
2164 *
2165 * Add a new FB to the specified CRTC, given a user request with format.
2166 *
2167 * Called by the user via ioctl.
2168 *
2169 * RETURNS:
2170 * Zero on success, errno on failure.
2171 */
2172 int drm_mode_addfb2(struct drm_device *dev,
2173 void *data, struct drm_file *file_priv)
2174 {
2175 struct drm_mode_fb_cmd2 *r = data;
2176 struct drm_mode_config *config = &dev->mode_config;
2177 struct drm_framebuffer *fb;
2178 int ret = 0;
2179
2180 if (!drm_core_check_feature(dev, DRIVER_MODESET))
2181 return (EINVAL);
2182
2183 if ((config->min_width > r->width) || (r->width > config->max_width)) {
2184 DRM_ERROR("bad framebuffer width %d, should be >= %d && <= %d\n",
2185 r->width, config->min_width, config->max_width);
2186 return (EINVAL);
2187 }
2188 if ((config->min_height > r->height) || (r->height > config->max_height)) {
2189 DRM_ERROR("bad framebuffer height %d, should be >= %d && <= %d\n",
2190 r->height, config->min_height, config->max_height);
2191 return (EINVAL);
2192 }
2193
2194 ret = format_check(r);
2195 if (ret) {
2196 DRM_ERROR("bad framebuffer format 0x%08x\n", r->pixel_format);
2197 return ret;
2198 }
2199
2200 sx_xlock(&dev->mode_config.mutex);
2201
2202 /* TODO check buffer is sufficiently large */
2203 /* TODO setup destructor callback */
2204
2205 ret = -dev->mode_config.funcs->fb_create(dev, file_priv, r, &fb);
2206 if (ret != 0) {
2207 DRM_ERROR("could not create framebuffer, error %d\n", ret);
2208 goto out;
2209 }
2210
2211 r->fb_id = fb->base.id;
2212 list_add(&fb->filp_head, &file_priv->fbs);
2213 DRM_DEBUG_KMS("[FB:%d]\n", fb->base.id);
2214
2215 out:
2216 sx_xunlock(&dev->mode_config.mutex);
2217 return (ret);
2218 }
2219
2220 /**
2221 * drm_mode_rmfb - remove an FB from the configuration
2222 * @inode: inode from the ioctl
2223 * @filp: file * from the ioctl
2224 * @cmd: cmd from ioctl
2225 * @arg: arg from ioctl
2226 *
2227 * LOCKING:
2228 * Takes mode config lock.
2229 *
2230 * Remove the FB specified by the user.
2231 *
2232 * Called by the user via ioctl.
2233 *
2234 * RETURNS:
2235 * Zero on success, errno on failure.
2236 */
2237 int drm_mode_rmfb(struct drm_device *dev,
2238 void *data, struct drm_file *file_priv)
2239 {
2240 struct drm_mode_object *obj;
2241 struct drm_framebuffer *fb = NULL;
2242 struct drm_framebuffer *fbl = NULL;
2243 uint32_t *id = data;
2244 int ret = 0;
2245 int found = 0;
2246
2247 if (!drm_core_check_feature(dev, DRIVER_MODESET))
2248 return (EINVAL);
2249
2250 sx_xlock(&dev->mode_config.mutex);
2251 obj = drm_mode_object_find(dev, *id, DRM_MODE_OBJECT_FB);
2252 /* TODO check that we really get a framebuffer back. */
2253 if (!obj) {
2254 ret = EINVAL;
2255 goto out;
2256 }
2257 fb = obj_to_fb(obj);
2258
2259 list_for_each_entry(fbl, &file_priv->fbs, filp_head)
2260 if (fb == fbl)
2261 found = 1;
2262
2263 if (!found) {
2264 ret = EINVAL;
2265 goto out;
2266 }
2267
2268 /* TODO release all crtc connected to the framebuffer */
2269 /* TODO unhock the destructor from the buffer object */
2270
2271 list_del(&fb->filp_head);
2272 fb->funcs->destroy(fb);
2273
2274 out:
2275 sx_xunlock(&dev->mode_config.mutex);
2276 return ret;
2277 }
2278
2279 /**
2280 * drm_mode_getfb - get FB info
2281 * @inode: inode from the ioctl
2282 * @filp: file * from the ioctl
2283 * @cmd: cmd from ioctl
2284 * @arg: arg from ioctl
2285 *
2286 * LOCKING:
2287 * Takes mode config lock.
2288 *
2289 * Lookup the FB given its ID and return info about it.
2290 *
2291 * Called by the user via ioctl.
2292 *
2293 * RETURNS:
2294 * Zero on success, errno on failure.
2295 */
2296 int drm_mode_getfb(struct drm_device *dev,
2297 void *data, struct drm_file *file_priv)
2298 {
2299 struct drm_mode_fb_cmd *r = data;
2300 struct drm_mode_object *obj;
2301 struct drm_framebuffer *fb;
2302 int ret = 0;
2303
2304 if (!drm_core_check_feature(dev, DRIVER_MODESET))
2305 return (EINVAL);
2306
2307 sx_xlock(&dev->mode_config.mutex);
2308 obj = drm_mode_object_find(dev, r->fb_id, DRM_MODE_OBJECT_FB);
2309 if (!obj) {
2310 ret = EINVAL;
2311 goto out;
2312 }
2313 fb = obj_to_fb(obj);
2314
2315 r->height = fb->height;
2316 r->width = fb->width;
2317 r->depth = fb->depth;
2318 r->bpp = fb->bits_per_pixel;
2319 r->pitch = fb->pitches[0];
2320 r->handle = 0;
2321 fb->funcs->create_handle(fb, file_priv, &r->handle);
2322
2323 out:
2324 sx_xunlock(&dev->mode_config.mutex);
2325 return ret;
2326 }
2327
2328 int drm_mode_dirtyfb_ioctl(struct drm_device *dev,
2329 void *data, struct drm_file *file_priv)
2330 {
2331 struct drm_clip_rect __user *clips_ptr;
2332 struct drm_clip_rect *clips = NULL;
2333 struct drm_mode_fb_dirty_cmd *r = data;
2334 struct drm_mode_object *obj;
2335 struct drm_framebuffer *fb;
2336 unsigned flags;
2337 int num_clips;
2338 int ret = 0;
2339
2340 if (!drm_core_check_feature(dev, DRIVER_MODESET))
2341 return (EINVAL);
2342
2343 sx_xlock(&dev->mode_config.mutex);
2344 obj = drm_mode_object_find(dev, r->fb_id, DRM_MODE_OBJECT_FB);
2345 if (!obj) {
2346 ret = EINVAL;
2347 goto out_err1;
2348 }
2349 fb = obj_to_fb(obj);
2350
2351 num_clips = r->num_clips;
2352 clips_ptr = (struct drm_clip_rect *)(unsigned long)r->clips_ptr;
2353
2354 if (!num_clips != !clips_ptr) {
2355 ret = EINVAL;
2356 goto out_err1;
2357 }
2358
2359 flags = DRM_MODE_FB_DIRTY_FLAGS & r->flags;
2360
2361 /* If userspace annotates copy, clips must come in pairs */
2362 if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY && (num_clips % 2)) {
2363 ret = EINVAL;
2364 goto out_err1;
2365 }
2366
2367 if (num_clips && clips_ptr) {
2368 if (num_clips < 0 || num_clips > DRM_MODE_FB_DIRTY_MAX_CLIPS) {
2369 ret = EINVAL;
2370 goto out_err1;
2371 }
2372 clips = malloc(num_clips * sizeof(*clips), DRM_MEM_KMS,
2373 M_WAITOK | M_ZERO);
2374
2375 ret = copyin(clips_ptr, clips, num_clips * sizeof(*clips));
2376 if (ret)
2377 goto out_err2;
2378 }
2379
2380 if (fb->funcs->dirty) {
2381 ret = -fb->funcs->dirty(fb, file_priv, flags, r->color,
2382 clips, num_clips);
2383 } else {
2384 ret = ENOSYS;
2385 goto out_err2;
2386 }
2387
2388 out_err2:
2389 free(clips, DRM_MEM_KMS);
2390 out_err1:
2391 sx_xunlock(&dev->mode_config.mutex);
2392 return ret;
2393 }
2394
2395
2396 /**
2397 * drm_fb_release - remove and free the FBs on this file
2398 * @filp: file * from the ioctl
2399 *
2400 * LOCKING:
2401 * Takes mode config lock.
2402 *
2403 * Destroy all the FBs associated with @filp.
2404 *
2405 * Called by the user via ioctl.
2406 *
2407 * RETURNS:
2408 * Zero on success, errno on failure.
2409 */
2410 void drm_fb_release(struct drm_file *priv)
2411 {
2412 #if 1
2413 struct drm_device *dev = priv->dev;
2414 #else
2415 struct drm_device *dev = priv->minor->dev;
2416 #endif
2417 struct drm_framebuffer *fb, *tfb;
2418
2419 sx_xlock(&dev->mode_config.mutex);
2420 list_for_each_entry_safe(fb, tfb, &priv->fbs, filp_head) {
2421 list_del(&fb->filp_head);
2422 fb->funcs->destroy(fb);
2423 }
2424 sx_xunlock(&dev->mode_config.mutex);
2425 }
2426
2427 /**
2428 * drm_mode_attachmode - add a mode to the user mode list
2429 * @dev: DRM device
2430 * @connector: connector to add the mode to
2431 * @mode: mode to add
2432 *
2433 * Add @mode to @connector's user mode list.
2434 */
2435 static void drm_mode_attachmode(struct drm_device *dev,
2436 struct drm_connector *connector,
2437 struct drm_display_mode *mode)
2438 {
2439 list_add_tail(&mode->head, &connector->user_modes);
2440 }
2441
2442 int drm_mode_attachmode_crtc(struct drm_device *dev, struct drm_crtc *crtc,
2443 const struct drm_display_mode *mode)
2444 {
2445 struct drm_connector *connector;
2446 int ret = 0;
2447 struct drm_display_mode *dup_mode, *next;
2448 DRM_LIST_HEAD(list);
2449
2450 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
2451 if (!connector->encoder)
2452 continue;
2453 if (connector->encoder->crtc == crtc) {
2454 dup_mode = drm_mode_duplicate(dev, mode);
2455 if (!dup_mode) {
2456 ret = ENOMEM;
2457 goto out;
2458 }
2459 list_add_tail(&dup_mode->head, &list);
2460 }
2461 }
2462
2463 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
2464 if (!connector->encoder)
2465 continue;
2466 if (connector->encoder->crtc == crtc)
2467 list_move_tail(list.next, &connector->user_modes);
2468 }
2469
2470 MPASS(!list_empty(&list));
2471
2472 out:
2473 list_for_each_entry_safe(dup_mode, next, &list, head)
2474 drm_mode_destroy(dev, dup_mode);
2475
2476 return ret;
2477 }
2478
2479 static int drm_mode_detachmode(struct drm_device *dev,
2480 struct drm_connector *connector,
2481 struct drm_display_mode *mode)
2482 {
2483 int found = 0;
2484 int ret = 0;
2485 struct drm_display_mode *match_mode, *t;
2486
2487 list_for_each_entry_safe(match_mode, t, &connector->user_modes, head) {
2488 if (drm_mode_equal(match_mode, mode)) {
2489 list_del(&match_mode->head);
2490 drm_mode_destroy(dev, match_mode);
2491 found = 1;
2492 break;
2493 }
2494 }
2495
2496 if (!found)
2497 ret = -EINVAL;
2498
2499 return ret;
2500 }
2501
2502 int drm_mode_detachmode_crtc(struct drm_device *dev, struct drm_display_mode *mode)
2503 {
2504 struct drm_connector *connector;
2505
2506 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
2507 drm_mode_detachmode(dev, connector, mode);
2508 }
2509 return 0;
2510 }
2511
2512 /**
2513 * drm_fb_attachmode - Attach a user mode to an connector
2514 * @inode: inode from the ioctl
2515 * @filp: file * from the ioctl
2516 * @cmd: cmd from ioctl
2517 * @arg: arg from ioctl
2518 *
2519 * This attaches a user specified mode to an connector.
2520 * Called by the user via ioctl.
2521 *
2522 * RETURNS:
2523 * Zero on success, errno on failure.
2524 */
2525 int drm_mode_attachmode_ioctl(struct drm_device *dev,
2526 void *data, struct drm_file *file_priv)
2527 {
2528 struct drm_mode_mode_cmd *mode_cmd = data;
2529 struct drm_connector *connector;
2530 struct drm_display_mode *mode;
2531 struct drm_mode_object *obj;
2532 struct drm_mode_modeinfo *umode = &mode_cmd->mode;
2533 int ret = 0;
2534
2535 if (!drm_core_check_feature(dev, DRIVER_MODESET))
2536 return -EINVAL;
2537
2538 sx_xlock(&dev->mode_config.mutex);
2539
2540 obj = drm_mode_object_find(dev, mode_cmd->connector_id, DRM_MODE_OBJECT_CONNECTOR);
2541 if (!obj) {
2542 ret = -EINVAL;
2543 goto out;
2544 }
2545 connector = obj_to_connector(obj);
2546
2547 mode = drm_mode_create(dev);
2548 if (!mode) {
2549 ret = -ENOMEM;
2550 goto out;
2551 }
2552
2553 ret = drm_crtc_convert_umode(mode, umode);
2554 if (ret) {
2555 DRM_DEBUG_KMS("Invalid mode\n");
2556 drm_mode_destroy(dev, mode);
2557 goto out;
2558 }
2559
2560 drm_mode_attachmode(dev, connector, mode);
2561 out:
2562 sx_xunlock(&dev->mode_config.mutex);
2563 return ret;
2564 }
2565
2566
2567 /**
2568 * drm_fb_detachmode - Detach a user specified mode from an connector
2569 * @inode: inode from the ioctl
2570 * @filp: file * from the ioctl
2571 * @cmd: cmd from ioctl
2572 * @arg: arg from ioctl
2573 *
2574 * Called by the user via ioctl.
2575 *
2576 * RETURNS:
2577 * Zero on success, errno on failure.
2578 */
2579 int drm_mode_detachmode_ioctl(struct drm_device *dev,
2580 void *data, struct drm_file *file_priv)
2581 {
2582 struct drm_mode_object *obj;
2583 struct drm_mode_mode_cmd *mode_cmd = data;
2584 struct drm_connector *connector;
2585 struct drm_display_mode mode;
2586 struct drm_mode_modeinfo *umode = &mode_cmd->mode;
2587 int ret = 0;
2588
2589 if (!drm_core_check_feature(dev, DRIVER_MODESET))
2590 return -EINVAL;
2591
2592 sx_xlock(&dev->mode_config.mutex);
2593
2594 obj = drm_mode_object_find(dev, mode_cmd->connector_id, DRM_MODE_OBJECT_CONNECTOR);
2595 if (!obj) {
2596 ret = -EINVAL;
2597 goto out;
2598 }
2599 connector = obj_to_connector(obj);
2600
2601 ret = drm_crtc_convert_umode(&mode, umode);
2602 if (ret) {
2603 DRM_DEBUG_KMS("Invalid mode\n");
2604 goto out;
2605 }
2606
2607 ret = drm_mode_detachmode(dev, connector, &mode);
2608 out:
2609 sx_xunlock(&dev->mode_config.mutex);
2610 return ret;
2611 }
2612
2613 struct drm_property *drm_property_create(struct drm_device *dev, int flags,
2614 const char *name, int num_values)
2615 {
2616 struct drm_property *property = NULL;
2617 int ret;
2618
2619 property = malloc(sizeof(struct drm_property), DRM_MEM_KMS,
2620 M_WAITOK | M_ZERO);
2621
2622 if (num_values) {
2623 property->values = malloc(sizeof(uint64_t)*num_values, DRM_MEM_KMS,
2624 M_WAITOK | M_ZERO);
2625 }
2626
2627 ret = drm_mode_object_get(dev, &property->base, DRM_MODE_OBJECT_PROPERTY);
2628 if (ret)
2629 goto fail;
2630 property->flags = flags;
2631 property->num_values = num_values;
2632 INIT_LIST_HEAD(&property->enum_blob_list);
2633
2634 if (name) {
2635 strncpy(property->name, name, DRM_PROP_NAME_LEN);
2636 property->name[DRM_PROP_NAME_LEN-1] = '\0';
2637 }
2638
2639 list_add_tail(&property->head, &dev->mode_config.property_list);
2640 return property;
2641
2642 fail:
2643 free(property->values, DRM_MEM_KMS);
2644 free(property, DRM_MEM_KMS);
2645 return (NULL);
2646 }
2647
2648 struct drm_property *drm_property_create_enum(struct drm_device *dev, int flags,
2649 const char *name,
2650 const struct drm_prop_enum_list *props,
2651 int num_values)
2652 {
2653 struct drm_property *property;
2654 int i, ret;
2655
2656 flags |= DRM_MODE_PROP_ENUM;
2657
2658 property = drm_property_create(dev, flags, name, num_values);
2659 if (!property)
2660 return NULL;
2661
2662 for (i = 0; i < num_values; i++) {
2663 ret = drm_property_add_enum(property, i,
2664 props[i].type,
2665 props[i].name);
2666 if (ret) {
2667 drm_property_destroy(dev, property);
2668 return NULL;
2669 }
2670 }
2671
2672 return property;
2673 }
2674
2675 struct drm_property *drm_property_create_range(struct drm_device *dev, int flags,
2676 const char *name,
2677 uint64_t min, uint64_t max)
2678 {
2679 struct drm_property *property;
2680
2681 flags |= DRM_MODE_PROP_RANGE;
2682
2683 property = drm_property_create(dev, flags, name, 2);
2684 if (!property)
2685 return NULL;
2686
2687 property->values[0] = min;
2688 property->values[1] = max;
2689
2690 return property;
2691 }
2692
2693 int drm_property_add_enum(struct drm_property *property, int index,
2694 uint64_t value, const char *name)
2695 {
2696 struct drm_property_enum *prop_enum;
2697
2698 if (!(property->flags & DRM_MODE_PROP_ENUM))
2699 return -EINVAL;
2700
2701 if (!list_empty(&property->enum_blob_list)) {
2702 list_for_each_entry(prop_enum, &property->enum_blob_list, head) {
2703 if (prop_enum->value == value) {
2704 strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN);
2705 prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0';
2706 return 0;
2707 }
2708 }
2709 }
2710
2711 prop_enum = malloc(sizeof(struct drm_property_enum), DRM_MEM_KMS,
2712 M_WAITOK | M_ZERO);
2713
2714 strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN);
2715 prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0';
2716 prop_enum->value = value;
2717
2718 property->values[index] = value;
2719 list_add_tail(&prop_enum->head, &property->enum_blob_list);
2720 return 0;
2721 }
2722
2723 void drm_property_destroy(struct drm_device *dev, struct drm_property *property)
2724 {
2725 struct drm_property_enum *prop_enum, *pt;
2726
2727 list_for_each_entry_safe(prop_enum, pt, &property->enum_blob_list, head) {
2728 list_del(&prop_enum->head);
2729 free(prop_enum, DRM_MEM_KMS);
2730 }
2731
2732 if (property->num_values)
2733 free(property->values, DRM_MEM_KMS);
2734 drm_mode_object_put(dev, &property->base);
2735 list_del(&property->head);
2736 free(property, DRM_MEM_KMS);
2737 }
2738
2739 int drm_connector_attach_property(struct drm_connector *connector,
2740 struct drm_property *property, uint64_t init_val)
2741 {
2742 int i;
2743
2744 for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) {
2745 if (connector->property_ids[i] == 0) {
2746 connector->property_ids[i] = property->base.id;
2747 connector->property_values[i] = init_val;
2748 break;
2749 }
2750 }
2751
2752 if (i == DRM_CONNECTOR_MAX_PROPERTY)
2753 return -EINVAL;
2754 return 0;
2755 }
2756
2757 int drm_connector_property_set_value(struct drm_connector *connector,
2758 struct drm_property *property, uint64_t value)
2759 {
2760 int i;
2761
2762 for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) {
2763 if (connector->property_ids[i] == property->base.id) {
2764 connector->property_values[i] = value;
2765 break;
2766 }
2767 }
2768
2769 if (i == DRM_CONNECTOR_MAX_PROPERTY)
2770 return -EINVAL;
2771 return 0;
2772 }
2773
2774 int drm_connector_property_get_value(struct drm_connector *connector,
2775 struct drm_property *property, uint64_t *val)
2776 {
2777 int i;
2778
2779 for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) {
2780 if (connector->property_ids[i] == property->base.id) {
2781 *val = connector->property_values[i];
2782 break;
2783 }
2784 }
2785
2786 if (i == DRM_CONNECTOR_MAX_PROPERTY)
2787 return -EINVAL;
2788 return 0;
2789 }
2790
2791 int drm_mode_getproperty_ioctl(struct drm_device *dev,
2792 void *data, struct drm_file *file_priv)
2793 {
2794 struct drm_mode_object *obj;
2795 struct drm_mode_get_property *out_resp = data;
2796 struct drm_property *property;
2797 int enum_count = 0;
2798 int blob_count = 0;
2799 int value_count = 0;
2800 int ret = 0, i;
2801 int copied;
2802 struct drm_property_enum *prop_enum;
2803 struct drm_mode_property_enum __user *enum_ptr;
2804 struct drm_property_blob *prop_blob;
2805 uint32_t *blob_id_ptr;
2806 uint64_t *values_ptr;
2807 uint32_t *blob_length_ptr;
2808
2809 if (!drm_core_check_feature(dev, DRIVER_MODESET))
2810 return -EINVAL;
2811
2812 sx_xlock(&dev->mode_config.mutex);
2813 obj = drm_mode_object_find(dev, out_resp->prop_id, DRM_MODE_OBJECT_PROPERTY);
2814 if (!obj) {
2815 ret = -EINVAL;
2816 goto done;
2817 }
2818 property = obj_to_property(obj);
2819
2820 if (property->flags & DRM_MODE_PROP_ENUM) {
2821 list_for_each_entry(prop_enum, &property->enum_blob_list, head)
2822 enum_count++;
2823 } else if (property->flags & DRM_MODE_PROP_BLOB) {
2824 list_for_each_entry(prop_blob, &property->enum_blob_list, head)
2825 blob_count++;
2826 }
2827
2828 value_count = property->num_values;
2829
2830 strncpy(out_resp->name, property->name, DRM_PROP_NAME_LEN);
2831 out_resp->name[DRM_PROP_NAME_LEN-1] = 0;
2832 out_resp->flags = property->flags;
2833
2834 if ((out_resp->count_values >= value_count) && value_count) {
2835 values_ptr = (uint64_t *)(uintptr_t)out_resp->values_ptr;
2836 for (i = 0; i < value_count; i++) {
2837 if (copyout(&property->values[i], values_ptr + i, sizeof(uint64_t))) {
2838 ret = -EFAULT;
2839 goto done;
2840 }
2841 }
2842 }
2843 out_resp->count_values = value_count;
2844
2845 if (property->flags & DRM_MODE_PROP_ENUM) {
2846 if ((out_resp->count_enum_blobs >= enum_count) && enum_count) {
2847 copied = 0;
2848 enum_ptr = (struct drm_mode_property_enum *)(uintptr_t)out_resp->enum_blob_ptr;
2849 list_for_each_entry(prop_enum, &property->enum_blob_list, head) {
2850
2851 if (copyout(&prop_enum->value, &enum_ptr[copied].value, sizeof(uint64_t))) {
2852 ret = -EFAULT;
2853 goto done;
2854 }
2855
2856 if (copyout(&prop_enum->name,
2857 &enum_ptr[copied].name,DRM_PROP_NAME_LEN)) {
2858 ret = -EFAULT;
2859 goto done;
2860 }
2861 copied++;
2862 }
2863 }
2864 out_resp->count_enum_blobs = enum_count;
2865 }
2866
2867 if (property->flags & DRM_MODE_PROP_BLOB) {
2868 if ((out_resp->count_enum_blobs >= blob_count) && blob_count) {
2869 copied = 0;
2870 blob_id_ptr = (uint32_t *)(uintptr_t)out_resp->enum_blob_ptr;
2871 blob_length_ptr = (uint32_t *)(uintptr_t)out_resp->values_ptr;
2872
2873 list_for_each_entry(prop_blob, &property->enum_blob_list, head) {
2874 if (copyout(&prop_blob->base.id,
2875 blob_id_ptr + copied, sizeof(uint32_t))) {
2876 ret = -EFAULT;
2877 goto done;
2878 }
2879
2880 if (copyout(&prop_blob->length,
2881 blob_length_ptr + copied, sizeof(uint32_t))) {
2882 ret = -EFAULT;
2883 goto done;
2884 }
2885
2886 copied++;
2887 }
2888 }
2889 out_resp->count_enum_blobs = blob_count;
2890 }
2891 done:
2892 sx_xunlock(&dev->mode_config.mutex);
2893 return ret;
2894 }
2895
2896 static struct drm_property_blob *drm_property_create_blob(struct drm_device *dev, int length,
2897 void *data)
2898 {
2899 struct drm_property_blob *blob;
2900 int ret;
2901
2902 if (!length || !data)
2903 return NULL;
2904
2905 blob = malloc(sizeof(struct drm_property_blob) + length, DRM_MEM_KMS,
2906 M_WAITOK | M_ZERO);
2907
2908 ret = drm_mode_object_get(dev, &blob->base, DRM_MODE_OBJECT_BLOB);
2909 if (ret) {
2910 free(blob, DRM_MEM_KMS);
2911 return (NULL);
2912 }
2913
2914 blob->length = length;
2915
2916 memcpy(blob->data, data, length);
2917
2918 list_add_tail(&blob->head, &dev->mode_config.property_blob_list);
2919 return blob;
2920 }
2921
2922 static void drm_property_destroy_blob(struct drm_device *dev,
2923 struct drm_property_blob *blob)
2924 {
2925 drm_mode_object_put(dev, &blob->base);
2926 list_del(&blob->head);
2927 free(blob, DRM_MEM_KMS);
2928 }
2929
2930 int drm_mode_getblob_ioctl(struct drm_device *dev,
2931 void *data, struct drm_file *file_priv)
2932 {
2933 struct drm_mode_object *obj;
2934 struct drm_mode_get_blob *out_resp = data;
2935 struct drm_property_blob *blob;
2936 int ret = 0;
2937 void *blob_ptr;
2938
2939 if (!drm_core_check_feature(dev, DRIVER_MODESET))
2940 return -EINVAL;
2941
2942 sx_xlock(&dev->mode_config.mutex);
2943 obj = drm_mode_object_find(dev, out_resp->blob_id, DRM_MODE_OBJECT_BLOB);
2944 if (!obj) {
2945 ret = -EINVAL;
2946 goto done;
2947 }
2948 blob = obj_to_blob(obj);
2949
2950 if (out_resp->length == blob->length) {
2951 blob_ptr = (void *)(unsigned long)out_resp->data;
2952 if (copyout(blob->data, blob_ptr, blob->length)){
2953 ret = -EFAULT;
2954 goto done;
2955 }
2956 }
2957 out_resp->length = blob->length;
2958
2959 done:
2960 sx_xunlock(&dev->mode_config.mutex);
2961 return ret;
2962 }
2963
2964 int drm_mode_connector_update_edid_property(struct drm_connector *connector,
2965 struct edid *edid)
2966 {
2967 struct drm_device *dev = connector->dev;
2968 int ret = 0, size;
2969
2970 if (connector->edid_blob_ptr)
2971 drm_property_destroy_blob(dev, connector->edid_blob_ptr);
2972
2973 /* Delete edid, when there is none. */
2974 if (!edid) {
2975 connector->edid_blob_ptr = NULL;
2976 ret = drm_connector_property_set_value(connector, dev->mode_config.edid_property, 0);
2977 return ret;
2978 }
2979
2980 size = EDID_LENGTH * (1 + edid->extensions);
2981 connector->edid_blob_ptr = drm_property_create_blob(connector->dev,
2982 size, edid);
2983
2984 ret = drm_connector_property_set_value(connector,
2985 dev->mode_config.edid_property,
2986 connector->edid_blob_ptr->base.id);
2987
2988 return ret;
2989 }
2990
2991 int drm_mode_connector_property_set_ioctl(struct drm_device *dev,
2992 void *data, struct drm_file *file_priv)
2993 {
2994 struct drm_mode_connector_set_property *out_resp = data;
2995 struct drm_mode_object *obj;
2996 struct drm_property *property;
2997 struct drm_connector *connector;
2998 int ret = -EINVAL;
2999 int i;
3000
3001 if (!drm_core_check_feature(dev, DRIVER_MODESET))
3002 return -EINVAL;
3003
3004 sx_xlock(&dev->mode_config.mutex);
3005
3006 obj = drm_mode_object_find(dev, out_resp->connector_id, DRM_MODE_OBJECT_CONNECTOR);
3007 if (!obj) {
3008 goto out;
3009 }
3010 connector = obj_to_connector(obj);
3011
3012 for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) {
3013 if (connector->property_ids[i] == out_resp->prop_id)
3014 break;
3015 }
3016
3017 if (i == DRM_CONNECTOR_MAX_PROPERTY) {
3018 goto out;
3019 }
3020
3021 obj = drm_mode_object_find(dev, out_resp->prop_id, DRM_MODE_OBJECT_PROPERTY);
3022 if (!obj) {
3023 goto out;
3024 }
3025 property = obj_to_property(obj);
3026
3027 if (property->flags & DRM_MODE_PROP_IMMUTABLE)
3028 goto out;
3029
3030 if (property->flags & DRM_MODE_PROP_RANGE) {
3031 if (out_resp->value < property->values[0])
3032 goto out;
3033
3034 if (out_resp->value > property->values[1])
3035 goto out;
3036 } else {
3037 int found = 0;
3038 for (i = 0; i < property->num_values; i++) {
3039 if (property->values[i] == out_resp->value) {
3040 found = 1;
3041 break;
3042 }
3043 }
3044 if (!found) {
3045 goto out;
3046 }
3047 }
3048
3049 /* Do DPMS ourselves */
3050 if (property == connector->dev->mode_config.dpms_property) {
3051 if (connector->funcs->dpms)
3052 (*connector->funcs->dpms)(connector, (int) out_resp->value);
3053 ret = 0;
3054 } else if (connector->funcs->set_property)
3055 ret = connector->funcs->set_property(connector, property, out_resp->value);
3056
3057 /* store the property value if successful */
3058 if (!ret)
3059 drm_connector_property_set_value(connector, property, out_resp->value);
3060 out:
3061 sx_xunlock(&dev->mode_config.mutex);
3062 return ret;
3063 }
3064
3065 int drm_mode_connector_attach_encoder(struct drm_connector *connector,
3066 struct drm_encoder *encoder)
3067 {
3068 int i;
3069
3070 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
3071 if (connector->encoder_ids[i] == 0) {
3072 connector->encoder_ids[i] = encoder->base.id;
3073 return 0;
3074 }
3075 }
3076 return -ENOMEM;
3077 }
3078
3079 void drm_mode_connector_detach_encoder(struct drm_connector *connector,
3080 struct drm_encoder *encoder)
3081 {
3082 int i;
3083 for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) {
3084 if (connector->encoder_ids[i] == encoder->base.id) {
3085 connector->encoder_ids[i] = 0;
3086 if (connector->encoder == encoder)
3087 connector->encoder = NULL;
3088 break;
3089 }
3090 }
3091 }
3092
3093 int drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc,
3094 int gamma_size)
3095 {
3096 crtc->gamma_size = gamma_size;
3097
3098 crtc->gamma_store = malloc(gamma_size * sizeof(uint16_t) * 3,
3099 DRM_MEM_KMS, M_WAITOK | M_ZERO);
3100
3101 return 0;
3102 }
3103
3104 int drm_mode_gamma_set_ioctl(struct drm_device *dev,
3105 void *data, struct drm_file *file_priv)
3106 {
3107 struct drm_mode_crtc_lut *crtc_lut = data;
3108 struct drm_mode_object *obj;
3109 struct drm_crtc *crtc;
3110 void *r_base, *g_base, *b_base;
3111 int size;
3112 int ret = 0;
3113
3114 if (!drm_core_check_feature(dev, DRIVER_MODESET))
3115 return -EINVAL;
3116
3117 sx_xlock(&dev->mode_config.mutex);
3118 obj = drm_mode_object_find(dev, crtc_lut->crtc_id, DRM_MODE_OBJECT_CRTC);
3119 if (!obj) {
3120 ret = -EINVAL;
3121 goto out;
3122 }
3123 crtc = obj_to_crtc(obj);
3124
3125 /* memcpy into gamma store */
3126 if (crtc_lut->gamma_size != crtc->gamma_size) {
3127 ret = -EINVAL;
3128 goto out;
3129 }
3130
3131 size = crtc_lut->gamma_size * (sizeof(uint16_t));
3132 r_base = crtc->gamma_store;
3133 if (copyin((void *)(uintptr_t)crtc_lut->red, r_base, size)) {
3134 ret = -EFAULT;
3135 goto out;
3136 }
3137
3138 g_base = (char *)r_base + size;
3139 if (copyin((void *)(uintptr_t)crtc_lut->green, g_base, size)) {
3140 ret = -EFAULT;
3141 goto out;
3142 }
3143
3144 b_base = (char *)g_base + size;
3145 if (copyin((void *)(uintptr_t)crtc_lut->blue, b_base, size)) {
3146 ret = -EFAULT;
3147 goto out;
3148 }
3149
3150 crtc->funcs->gamma_set(crtc, r_base, g_base, b_base, 0, crtc->gamma_size);
3151
3152 out:
3153 sx_xunlock(&dev->mode_config.mutex);
3154 return ret;
3155
3156 }
3157
3158 int drm_mode_gamma_get_ioctl(struct drm_device *dev,
3159 void *data, struct drm_file *file_priv)
3160 {
3161 struct drm_mode_crtc_lut *crtc_lut = data;
3162 struct drm_mode_object *obj;
3163 struct drm_crtc *crtc;
3164 void *r_base, *g_base, *b_base;
3165 int size;
3166 int ret = 0;
3167
3168 if (!drm_core_check_feature(dev, DRIVER_MODESET))
3169 return -EINVAL;
3170
3171 sx_xlock(&dev->mode_config.mutex);
3172 obj = drm_mode_object_find(dev, crtc_lut->crtc_id, DRM_MODE_OBJECT_CRTC);
3173 if (!obj) {
3174 ret = -EINVAL;
3175 goto out;
3176 }
3177 crtc = obj_to_crtc(obj);
3178
3179 /* memcpy into gamma store */
3180 if (crtc_lut->gamma_size != crtc->gamma_size) {
3181 ret = -EINVAL;
3182 goto out;
3183 }
3184
3185 size = crtc_lut->gamma_size * (sizeof(uint16_t));
3186 r_base = crtc->gamma_store;
3187 if (copyout(r_base, (void *)(uintptr_t)crtc_lut->red, size)) {
3188 ret = -EFAULT;
3189 goto out;
3190 }
3191
3192 g_base = (char *)r_base + size;
3193 if (copyout(g_base, (void *)(uintptr_t)crtc_lut->green, size)) {
3194 ret = -EFAULT;
3195 goto out;
3196 }
3197
3198 b_base = (char *)g_base + size;
3199 if (copyout(b_base, (void *)(uintptr_t)crtc_lut->blue, size)) {
3200 ret = -EFAULT;
3201 goto out;
3202 }
3203 out:
3204 sx_xunlock(&dev->mode_config.mutex);
3205 return ret;
3206 }
3207
3208 static void
3209 drm_kms_free(void *arg)
3210 {
3211
3212 free(arg, DRM_MEM_KMS);
3213 }
3214
3215 int drm_mode_page_flip_ioctl(struct drm_device *dev, void *data,
3216 struct drm_file *file_priv)
3217 {
3218 struct drm_mode_crtc_page_flip *page_flip = data;
3219 struct drm_mode_object *obj;
3220 struct drm_crtc *crtc;
3221 struct drm_framebuffer *fb;
3222 struct drm_pending_vblank_event *e = NULL;
3223 int ret = EINVAL;
3224
3225 if (page_flip->flags & ~DRM_MODE_PAGE_FLIP_FLAGS ||
3226 page_flip->reserved != 0)
3227 return (EINVAL);
3228
3229 sx_xlock(&dev->mode_config.mutex);
3230 obj = drm_mode_object_find(dev, page_flip->crtc_id, DRM_MODE_OBJECT_CRTC);
3231 if (!obj)
3232 goto out;
3233 crtc = obj_to_crtc(obj);
3234
3235 if (crtc->fb == NULL) {
3236 /* The framebuffer is currently unbound, presumably
3237 * due to a hotplug event, that userspace has not
3238 * yet discovered.
3239 */
3240 ret = EBUSY;
3241 goto out;
3242 }
3243
3244 if (crtc->funcs->page_flip == NULL)
3245 goto out;
3246
3247 obj = drm_mode_object_find(dev, page_flip->fb_id, DRM_MODE_OBJECT_FB);
3248 if (!obj)
3249 goto out;
3250 fb = obj_to_fb(obj);
3251
3252 if (crtc->mode.hdisplay > fb->width ||
3253 crtc->mode.vdisplay > fb->height ||
3254 crtc->x > fb->width - crtc->mode.hdisplay ||
3255 crtc->y > fb->height - crtc->mode.vdisplay) {
3256 DRM_DEBUG_KMS("Invalid fb size %ux%u for CRTC viewport %ux%u+%d+%d.\n",
3257 fb->width, fb->height,
3258 crtc->mode.hdisplay, crtc->mode.vdisplay,
3259 crtc->x, crtc->y);
3260 ret = ENOSPC;
3261 goto out;
3262 }
3263
3264 if (page_flip->flags & DRM_MODE_PAGE_FLIP_EVENT) {
3265 ret = ENOMEM;
3266 mtx_lock(&dev->event_lock);
3267 if (file_priv->event_space < sizeof e->event) {
3268 mtx_unlock(&dev->event_lock);
3269 goto out;
3270 }
3271 file_priv->event_space -= sizeof e->event;
3272 mtx_unlock(&dev->event_lock);
3273
3274 e = malloc(sizeof *e, DRM_MEM_KMS, M_WAITOK | M_ZERO);
3275
3276 e->event.base.type = DRM_EVENT_FLIP_COMPLETE;
3277 e->event.base.length = sizeof e->event;
3278 e->event.user_data = page_flip->user_data;
3279 e->base.event = &e->event.base;
3280 e->base.file_priv = file_priv;
3281 e->base.destroy =
3282 (void (*) (struct drm_pending_event *))drm_kms_free;
3283 }
3284
3285 ret = -crtc->funcs->page_flip(crtc, fb, e);
3286 if (ret != 0) {
3287 if (page_flip->flags & DRM_MODE_PAGE_FLIP_EVENT) {
3288 mtx_lock(&dev->event_lock);
3289 file_priv->event_space += sizeof e->event;
3290 mtx_unlock(&dev->event_lock);
3291 free(e, DRM_MEM_KMS);
3292 }
3293 }
3294
3295 out:
3296 sx_xunlock(&dev->mode_config.mutex);
3297 CTR3(KTR_DRM, "page_flip_ioctl %d %d %d", curproc->p_pid,
3298 page_flip->crtc_id, ret);
3299 return (ret);
3300 }
3301
3302 void drm_mode_config_reset(struct drm_device *dev)
3303 {
3304 struct drm_crtc *crtc;
3305 struct drm_encoder *encoder;
3306 struct drm_connector *connector;
3307
3308 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head)
3309 if (crtc->funcs->reset)
3310 crtc->funcs->reset(crtc);
3311
3312 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head)
3313 if (encoder->funcs->reset)
3314 encoder->funcs->reset(encoder);
3315
3316 list_for_each_entry(connector, &dev->mode_config.connector_list, head)
3317 if (connector->funcs->reset)
3318 connector->funcs->reset(connector);
3319 }
3320
3321 int drm_mode_create_dumb_ioctl(struct drm_device *dev,
3322 void *data, struct drm_file *file_priv)
3323 {
3324 struct drm_mode_create_dumb *args = data;
3325
3326 if (!dev->driver->dumb_create)
3327 return -ENOTSUP;
3328 return dev->driver->dumb_create(file_priv, dev, args);
3329 }
3330
3331 int drm_mode_mmap_dumb_ioctl(struct drm_device *dev,
3332 void *data, struct drm_file *file_priv)
3333 {
3334 struct drm_mode_map_dumb *args = data;
3335
3336 /* call driver ioctl to get mmap offset */
3337 if (!dev->driver->dumb_map_offset)
3338 return -ENOTSUP;
3339
3340 return dev->driver->dumb_map_offset(file_priv, dev, args->handle, &args->offset);
3341 }
3342
3343 int drm_mode_destroy_dumb_ioctl(struct drm_device *dev,
3344 void *data, struct drm_file *file_priv)
3345 {
3346 struct drm_mode_destroy_dumb *args = data;
3347
3348 if (!dev->driver->dumb_destroy)
3349 return -ENOTSUP;
3350
3351 return dev->driver->dumb_destroy(file_priv, dev, args->handle);
3352 }
3353
3354 /*
3355 * Just need to support RGB formats here for compat with code that doesn't
3356 * use pixel formats directly yet.
3357 */
3358 void drm_fb_get_bpp_depth(uint32_t format, unsigned int *depth,
3359 int *bpp)
3360 {
3361 switch (format) {
3362 case DRM_FORMAT_RGB332:
3363 case DRM_FORMAT_BGR233:
3364 *depth = 8;
3365 *bpp = 8;
3366 break;
3367 case DRM_FORMAT_XRGB1555:
3368 case DRM_FORMAT_XBGR1555:
3369 case DRM_FORMAT_RGBX5551:
3370 case DRM_FORMAT_BGRX5551:
3371 case DRM_FORMAT_ARGB1555:
3372 case DRM_FORMAT_ABGR1555:
3373 case DRM_FORMAT_RGBA5551:
3374 case DRM_FORMAT_BGRA5551:
3375 *depth = 15;
3376 *bpp = 16;
3377 break;
3378 case DRM_FORMAT_RGB565:
3379 case DRM_FORMAT_BGR565:
3380 *depth = 16;
3381 *bpp = 16;
3382 break;
3383 case DRM_FORMAT_RGB888:
3384 case DRM_FORMAT_BGR888:
3385 *depth = 24;
3386 *bpp = 24;
3387 break;
3388 case DRM_FORMAT_XRGB8888:
3389 case DRM_FORMAT_XBGR8888:
3390 case DRM_FORMAT_RGBX8888:
3391 case DRM_FORMAT_BGRX8888:
3392 *depth = 24;
3393 *bpp = 32;
3394 break;
3395 case DRM_FORMAT_XRGB2101010:
3396 case DRM_FORMAT_XBGR2101010:
3397 case DRM_FORMAT_RGBX1010102:
3398 case DRM_FORMAT_BGRX1010102:
3399 case DRM_FORMAT_ARGB2101010:
3400 case DRM_FORMAT_ABGR2101010:
3401 case DRM_FORMAT_RGBA1010102:
3402 case DRM_FORMAT_BGRA1010102:
3403 *depth = 30;
3404 *bpp = 32;
3405 break;
3406 case DRM_FORMAT_ARGB8888:
3407 case DRM_FORMAT_ABGR8888:
3408 case DRM_FORMAT_RGBA8888:
3409 case DRM_FORMAT_BGRA8888:
3410 *depth = 32;
3411 *bpp = 32;
3412 break;
3413 default:
3414 DRM_DEBUG_KMS("unsupported pixel format\n");
3415 *depth = 0;
3416 *bpp = 0;
3417 break;
3418 }
3419 }
3420