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f453ba04 DA |
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 <linux/list.h> | |
5a0e3ad6 | 33 | #include <linux/slab.h> |
f453ba04 DA |
34 | #include "drm.h" |
35 | #include "drmP.h" | |
36 | #include "drm_crtc.h" | |
7466f4cc | 37 | #include "drm_edid.h" |
f453ba04 DA |
38 | |
39 | struct drm_prop_enum_list { | |
40 | int type; | |
41 | char *name; | |
42 | }; | |
43 | ||
44 | /* Avoid boilerplate. I'm tired of typing. */ | |
45 | #define DRM_ENUM_NAME_FN(fnname, list) \ | |
46 | char *fnname(int val) \ | |
47 | { \ | |
48 | int i; \ | |
49 | for (i = 0; i < ARRAY_SIZE(list); i++) { \ | |
50 | if (list[i].type == val) \ | |
51 | return list[i].name; \ | |
52 | } \ | |
53 | return "(unknown)"; \ | |
54 | } | |
55 | ||
56 | /* | |
57 | * Global properties | |
58 | */ | |
59 | static struct drm_prop_enum_list drm_dpms_enum_list[] = | |
60 | { { DRM_MODE_DPMS_ON, "On" }, | |
61 | { DRM_MODE_DPMS_STANDBY, "Standby" }, | |
62 | { DRM_MODE_DPMS_SUSPEND, "Suspend" }, | |
63 | { DRM_MODE_DPMS_OFF, "Off" } | |
64 | }; | |
65 | ||
66 | DRM_ENUM_NAME_FN(drm_get_dpms_name, drm_dpms_enum_list) | |
67 | ||
68 | /* | |
69 | * Optional properties | |
70 | */ | |
71 | static struct drm_prop_enum_list drm_scaling_mode_enum_list[] = | |
72 | { | |
53bd8389 JB |
73 | { DRM_MODE_SCALE_NONE, "None" }, |
74 | { DRM_MODE_SCALE_FULLSCREEN, "Full" }, | |
75 | { DRM_MODE_SCALE_CENTER, "Center" }, | |
76 | { DRM_MODE_SCALE_ASPECT, "Full aspect" }, | |
f453ba04 DA |
77 | }; |
78 | ||
79 | static struct drm_prop_enum_list drm_dithering_mode_enum_list[] = | |
80 | { | |
81 | { DRM_MODE_DITHERING_OFF, "Off" }, | |
82 | { DRM_MODE_DITHERING_ON, "On" }, | |
92897b5c | 83 | { DRM_MODE_DITHERING_AUTO, "Automatic" }, |
f453ba04 DA |
84 | }; |
85 | ||
86 | /* | |
87 | * Non-global properties, but "required" for certain connectors. | |
88 | */ | |
89 | static struct drm_prop_enum_list drm_dvi_i_select_enum_list[] = | |
90 | { | |
91 | { DRM_MODE_SUBCONNECTOR_Automatic, "Automatic" }, /* DVI-I and TV-out */ | |
92 | { DRM_MODE_SUBCONNECTOR_DVID, "DVI-D" }, /* DVI-I */ | |
93 | { DRM_MODE_SUBCONNECTOR_DVIA, "DVI-A" }, /* DVI-I */ | |
94 | }; | |
95 | ||
96 | DRM_ENUM_NAME_FN(drm_get_dvi_i_select_name, drm_dvi_i_select_enum_list) | |
97 | ||
98 | static struct drm_prop_enum_list drm_dvi_i_subconnector_enum_list[] = | |
99 | { | |
100 | { DRM_MODE_SUBCONNECTOR_Unknown, "Unknown" }, /* DVI-I and TV-out */ | |
101 | { DRM_MODE_SUBCONNECTOR_DVID, "DVI-D" }, /* DVI-I */ | |
102 | { DRM_MODE_SUBCONNECTOR_DVIA, "DVI-A" }, /* DVI-I */ | |
103 | }; | |
104 | ||
105 | DRM_ENUM_NAME_FN(drm_get_dvi_i_subconnector_name, | |
106 | drm_dvi_i_subconnector_enum_list) | |
107 | ||
108 | static struct drm_prop_enum_list drm_tv_select_enum_list[] = | |
109 | { | |
110 | { DRM_MODE_SUBCONNECTOR_Automatic, "Automatic" }, /* DVI-I and TV-out */ | |
111 | { DRM_MODE_SUBCONNECTOR_Composite, "Composite" }, /* TV-out */ | |
112 | { DRM_MODE_SUBCONNECTOR_SVIDEO, "SVIDEO" }, /* TV-out */ | |
113 | { DRM_MODE_SUBCONNECTOR_Component, "Component" }, /* TV-out */ | |
aeaa1ad3 | 114 | { DRM_MODE_SUBCONNECTOR_SCART, "SCART" }, /* TV-out */ |
f453ba04 DA |
115 | }; |
116 | ||
117 | DRM_ENUM_NAME_FN(drm_get_tv_select_name, drm_tv_select_enum_list) | |
118 | ||
119 | static struct drm_prop_enum_list drm_tv_subconnector_enum_list[] = | |
120 | { | |
121 | { DRM_MODE_SUBCONNECTOR_Unknown, "Unknown" }, /* DVI-I and TV-out */ | |
122 | { DRM_MODE_SUBCONNECTOR_Composite, "Composite" }, /* TV-out */ | |
123 | { DRM_MODE_SUBCONNECTOR_SVIDEO, "SVIDEO" }, /* TV-out */ | |
124 | { DRM_MODE_SUBCONNECTOR_Component, "Component" }, /* TV-out */ | |
aeaa1ad3 | 125 | { DRM_MODE_SUBCONNECTOR_SCART, "SCART" }, /* TV-out */ |
f453ba04 DA |
126 | }; |
127 | ||
128 | DRM_ENUM_NAME_FN(drm_get_tv_subconnector_name, | |
129 | drm_tv_subconnector_enum_list) | |
130 | ||
884840aa JB |
131 | static struct drm_prop_enum_list drm_dirty_info_enum_list[] = { |
132 | { DRM_MODE_DIRTY_OFF, "Off" }, | |
133 | { DRM_MODE_DIRTY_ON, "On" }, | |
134 | { DRM_MODE_DIRTY_ANNOTATE, "Annotate" }, | |
135 | }; | |
136 | ||
137 | DRM_ENUM_NAME_FN(drm_get_dirty_info_name, | |
138 | drm_dirty_info_enum_list) | |
139 | ||
f453ba04 DA |
140 | struct drm_conn_prop_enum_list { |
141 | int type; | |
142 | char *name; | |
143 | int count; | |
144 | }; | |
145 | ||
146 | /* | |
147 | * Connector and encoder types. | |
148 | */ | |
149 | static struct drm_conn_prop_enum_list drm_connector_enum_list[] = | |
150 | { { DRM_MODE_CONNECTOR_Unknown, "Unknown", 0 }, | |
151 | { DRM_MODE_CONNECTOR_VGA, "VGA", 0 }, | |
152 | { DRM_MODE_CONNECTOR_DVII, "DVI-I", 0 }, | |
153 | { DRM_MODE_CONNECTOR_DVID, "DVI-D", 0 }, | |
154 | { DRM_MODE_CONNECTOR_DVIA, "DVI-A", 0 }, | |
155 | { DRM_MODE_CONNECTOR_Composite, "Composite", 0 }, | |
156 | { DRM_MODE_CONNECTOR_SVIDEO, "SVIDEO", 0 }, | |
157 | { DRM_MODE_CONNECTOR_LVDS, "LVDS", 0 }, | |
158 | { DRM_MODE_CONNECTOR_Component, "Component", 0 }, | |
e76116ca AD |
159 | { DRM_MODE_CONNECTOR_9PinDIN, "DIN", 0 }, |
160 | { DRM_MODE_CONNECTOR_DisplayPort, "DP", 0 }, | |
161 | { DRM_MODE_CONNECTOR_HDMIA, "HDMI-A", 0 }, | |
162 | { DRM_MODE_CONNECTOR_HDMIB, "HDMI-B", 0 }, | |
74bd3c26 | 163 | { DRM_MODE_CONNECTOR_TV, "TV", 0 }, |
e76116ca | 164 | { DRM_MODE_CONNECTOR_eDP, "eDP", 0 }, |
f453ba04 DA |
165 | }; |
166 | ||
167 | static struct drm_prop_enum_list drm_encoder_enum_list[] = | |
168 | { { DRM_MODE_ENCODER_NONE, "None" }, | |
169 | { DRM_MODE_ENCODER_DAC, "DAC" }, | |
170 | { DRM_MODE_ENCODER_TMDS, "TMDS" }, | |
171 | { DRM_MODE_ENCODER_LVDS, "LVDS" }, | |
172 | { DRM_MODE_ENCODER_TVDAC, "TV" }, | |
173 | }; | |
174 | ||
175 | char *drm_get_encoder_name(struct drm_encoder *encoder) | |
176 | { | |
177 | static char buf[32]; | |
178 | ||
179 | snprintf(buf, 32, "%s-%d", | |
180 | drm_encoder_enum_list[encoder->encoder_type].name, | |
181 | encoder->base.id); | |
182 | return buf; | |
183 | } | |
13a8195b | 184 | EXPORT_SYMBOL(drm_get_encoder_name); |
f453ba04 DA |
185 | |
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 | EXPORT_SYMBOL(drm_get_connector_name); | |
196 | ||
197 | char *drm_get_connector_status_name(enum drm_connector_status status) | |
198 | { | |
199 | if (status == connector_status_connected) | |
200 | return "connected"; | |
201 | else if (status == connector_status_disconnected) | |
202 | return "disconnected"; | |
203 | else | |
204 | return "unknown"; | |
205 | } | |
206 | ||
207 | /** | |
208 | * drm_mode_object_get - allocate a new identifier | |
209 | * @dev: DRM device | |
210 | * @ptr: object pointer, used to generate unique ID | |
211 | * @type: object type | |
212 | * | |
213 | * LOCKING: | |
f453ba04 DA |
214 | * |
215 | * Create a unique identifier based on @ptr in @dev's identifier space. Used | |
216 | * for tracking modes, CRTCs and connectors. | |
217 | * | |
218 | * RETURNS: | |
219 | * New unique (relative to other objects in @dev) integer identifier for the | |
220 | * object. | |
221 | */ | |
222 | static int drm_mode_object_get(struct drm_device *dev, | |
223 | struct drm_mode_object *obj, uint32_t obj_type) | |
224 | { | |
225 | int new_id = 0; | |
226 | int ret; | |
227 | ||
f453ba04 DA |
228 | again: |
229 | if (idr_pre_get(&dev->mode_config.crtc_idr, GFP_KERNEL) == 0) { | |
230 | DRM_ERROR("Ran out memory getting a mode number\n"); | |
231 | return -EINVAL; | |
232 | } | |
233 | ||
ad2563c2 | 234 | mutex_lock(&dev->mode_config.idr_mutex); |
f453ba04 | 235 | ret = idr_get_new_above(&dev->mode_config.crtc_idr, obj, 1, &new_id); |
ad2563c2 | 236 | mutex_unlock(&dev->mode_config.idr_mutex); |
f453ba04 DA |
237 | if (ret == -EAGAIN) |
238 | goto again; | |
239 | ||
240 | obj->id = new_id; | |
241 | obj->type = obj_type; | |
242 | return 0; | |
243 | } | |
244 | ||
245 | /** | |
246 | * drm_mode_object_put - free an identifer | |
247 | * @dev: DRM device | |
248 | * @id: ID to free | |
249 | * | |
250 | * LOCKING: | |
251 | * Caller must hold DRM mode_config lock. | |
252 | * | |
253 | * Free @id from @dev's unique identifier pool. | |
254 | */ | |
255 | static void drm_mode_object_put(struct drm_device *dev, | |
256 | struct drm_mode_object *object) | |
257 | { | |
ad2563c2 | 258 | mutex_lock(&dev->mode_config.idr_mutex); |
f453ba04 | 259 | idr_remove(&dev->mode_config.crtc_idr, object->id); |
ad2563c2 | 260 | mutex_unlock(&dev->mode_config.idr_mutex); |
f453ba04 DA |
261 | } |
262 | ||
7a9c9060 DV |
263 | struct drm_mode_object *drm_mode_object_find(struct drm_device *dev, |
264 | uint32_t id, uint32_t type) | |
f453ba04 | 265 | { |
ad2563c2 | 266 | struct drm_mode_object *obj = NULL; |
f453ba04 | 267 | |
ad2563c2 | 268 | mutex_lock(&dev->mode_config.idr_mutex); |
f453ba04 DA |
269 | obj = idr_find(&dev->mode_config.crtc_idr, id); |
270 | if (!obj || (obj->type != type) || (obj->id != id)) | |
ad2563c2 JB |
271 | obj = NULL; |
272 | mutex_unlock(&dev->mode_config.idr_mutex); | |
f453ba04 DA |
273 | |
274 | return obj; | |
275 | } | |
276 | EXPORT_SYMBOL(drm_mode_object_find); | |
277 | ||
f453ba04 DA |
278 | /** |
279 | * drm_framebuffer_init - initialize a framebuffer | |
280 | * @dev: DRM device | |
281 | * | |
282 | * LOCKING: | |
283 | * Caller must hold mode config lock. | |
284 | * | |
285 | * Allocates an ID for the framebuffer's parent mode object, sets its mode | |
286 | * functions & device file and adds it to the master fd list. | |
287 | * | |
288 | * RETURNS: | |
af901ca1 | 289 | * Zero on success, error code on failure. |
f453ba04 DA |
290 | */ |
291 | int drm_framebuffer_init(struct drm_device *dev, struct drm_framebuffer *fb, | |
292 | const struct drm_framebuffer_funcs *funcs) | |
293 | { | |
294 | int ret; | |
295 | ||
296 | ret = drm_mode_object_get(dev, &fb->base, DRM_MODE_OBJECT_FB); | |
297 | if (ret) { | |
298 | return ret; | |
299 | } | |
300 | ||
301 | fb->dev = dev; | |
302 | fb->funcs = funcs; | |
303 | dev->mode_config.num_fb++; | |
304 | list_add(&fb->head, &dev->mode_config.fb_list); | |
305 | ||
306 | return 0; | |
307 | } | |
308 | EXPORT_SYMBOL(drm_framebuffer_init); | |
309 | ||
310 | /** | |
311 | * drm_framebuffer_cleanup - remove a framebuffer object | |
312 | * @fb: framebuffer to remove | |
313 | * | |
314 | * LOCKING: | |
315 | * Caller must hold mode config lock. | |
316 | * | |
317 | * Scans all the CRTCs in @dev's mode_config. If they're using @fb, removes | |
318 | * it, setting it to NULL. | |
319 | */ | |
320 | void drm_framebuffer_cleanup(struct drm_framebuffer *fb) | |
321 | { | |
322 | struct drm_device *dev = fb->dev; | |
323 | struct drm_crtc *crtc; | |
5ef5f72f DA |
324 | struct drm_mode_set set; |
325 | int ret; | |
f453ba04 DA |
326 | |
327 | /* remove from any CRTC */ | |
328 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { | |
5ef5f72f DA |
329 | if (crtc->fb == fb) { |
330 | /* should turn off the crtc */ | |
331 | memset(&set, 0, sizeof(struct drm_mode_set)); | |
332 | set.crtc = crtc; | |
333 | set.fb = NULL; | |
334 | ret = crtc->funcs->set_config(&set); | |
335 | if (ret) | |
336 | DRM_ERROR("failed to reset crtc %p when fb was deleted\n", crtc); | |
337 | } | |
f453ba04 DA |
338 | } |
339 | ||
340 | drm_mode_object_put(dev, &fb->base); | |
341 | list_del(&fb->head); | |
342 | dev->mode_config.num_fb--; | |
343 | } | |
344 | EXPORT_SYMBOL(drm_framebuffer_cleanup); | |
345 | ||
346 | /** | |
347 | * drm_crtc_init - Initialise a new CRTC object | |
348 | * @dev: DRM device | |
349 | * @crtc: CRTC object to init | |
350 | * @funcs: callbacks for the new CRTC | |
351 | * | |
352 | * LOCKING: | |
353 | * Caller must hold mode config lock. | |
354 | * | |
355 | * Inits a new object created as base part of an driver crtc object. | |
356 | */ | |
357 | void drm_crtc_init(struct drm_device *dev, struct drm_crtc *crtc, | |
358 | const struct drm_crtc_funcs *funcs) | |
359 | { | |
360 | crtc->dev = dev; | |
361 | crtc->funcs = funcs; | |
362 | ||
363 | mutex_lock(&dev->mode_config.mutex); | |
364 | drm_mode_object_get(dev, &crtc->base, DRM_MODE_OBJECT_CRTC); | |
365 | ||
366 | list_add_tail(&crtc->head, &dev->mode_config.crtc_list); | |
367 | dev->mode_config.num_crtc++; | |
368 | mutex_unlock(&dev->mode_config.mutex); | |
369 | } | |
370 | EXPORT_SYMBOL(drm_crtc_init); | |
371 | ||
372 | /** | |
373 | * drm_crtc_cleanup - Cleans up the core crtc usage. | |
374 | * @crtc: CRTC to cleanup | |
375 | * | |
376 | * LOCKING: | |
377 | * Caller must hold mode config lock. | |
378 | * | |
379 | * Cleanup @crtc. Removes from drm modesetting space | |
380 | * does NOT free object, caller does that. | |
381 | */ | |
382 | void drm_crtc_cleanup(struct drm_crtc *crtc) | |
383 | { | |
384 | struct drm_device *dev = crtc->dev; | |
385 | ||
386 | if (crtc->gamma_store) { | |
387 | kfree(crtc->gamma_store); | |
388 | crtc->gamma_store = NULL; | |
389 | } | |
390 | ||
391 | drm_mode_object_put(dev, &crtc->base); | |
392 | list_del(&crtc->head); | |
393 | dev->mode_config.num_crtc--; | |
394 | } | |
395 | EXPORT_SYMBOL(drm_crtc_cleanup); | |
396 | ||
397 | /** | |
398 | * drm_mode_probed_add - add a mode to a connector's probed mode list | |
399 | * @connector: connector the new mode | |
400 | * @mode: mode data | |
401 | * | |
402 | * LOCKING: | |
403 | * Caller must hold mode config lock. | |
404 | * | |
405 | * Add @mode to @connector's mode list for later use. | |
406 | */ | |
407 | void drm_mode_probed_add(struct drm_connector *connector, | |
408 | struct drm_display_mode *mode) | |
409 | { | |
410 | list_add(&mode->head, &connector->probed_modes); | |
411 | } | |
412 | EXPORT_SYMBOL(drm_mode_probed_add); | |
413 | ||
414 | /** | |
415 | * drm_mode_remove - remove and free a mode | |
416 | * @connector: connector list to modify | |
417 | * @mode: mode to remove | |
418 | * | |
419 | * LOCKING: | |
420 | * Caller must hold mode config lock. | |
421 | * | |
422 | * Remove @mode from @connector's mode list, then free it. | |
423 | */ | |
424 | void drm_mode_remove(struct drm_connector *connector, | |
425 | struct drm_display_mode *mode) | |
426 | { | |
427 | list_del(&mode->head); | |
428 | kfree(mode); | |
429 | } | |
430 | EXPORT_SYMBOL(drm_mode_remove); | |
431 | ||
432 | /** | |
433 | * drm_connector_init - Init a preallocated connector | |
434 | * @dev: DRM device | |
435 | * @connector: the connector to init | |
436 | * @funcs: callbacks for this connector | |
437 | * @name: user visible name of the connector | |
438 | * | |
439 | * LOCKING: | |
440 | * Caller must hold @dev's mode_config lock. | |
441 | * | |
442 | * Initialises a preallocated connector. Connectors should be | |
443 | * subclassed as part of driver connector objects. | |
444 | */ | |
445 | void drm_connector_init(struct drm_device *dev, | |
446 | struct drm_connector *connector, | |
447 | const struct drm_connector_funcs *funcs, | |
448 | int connector_type) | |
449 | { | |
450 | mutex_lock(&dev->mode_config.mutex); | |
451 | ||
452 | connector->dev = dev; | |
453 | connector->funcs = funcs; | |
454 | drm_mode_object_get(dev, &connector->base, DRM_MODE_OBJECT_CONNECTOR); | |
455 | connector->connector_type = connector_type; | |
456 | connector->connector_type_id = | |
457 | ++drm_connector_enum_list[connector_type].count; /* TODO */ | |
458 | INIT_LIST_HEAD(&connector->user_modes); | |
459 | INIT_LIST_HEAD(&connector->probed_modes); | |
460 | INIT_LIST_HEAD(&connector->modes); | |
461 | connector->edid_blob_ptr = NULL; | |
462 | ||
463 | list_add_tail(&connector->head, &dev->mode_config.connector_list); | |
464 | dev->mode_config.num_connector++; | |
465 | ||
466 | drm_connector_attach_property(connector, | |
467 | dev->mode_config.edid_property, 0); | |
468 | ||
469 | drm_connector_attach_property(connector, | |
470 | dev->mode_config.dpms_property, 0); | |
471 | ||
472 | mutex_unlock(&dev->mode_config.mutex); | |
473 | } | |
474 | EXPORT_SYMBOL(drm_connector_init); | |
475 | ||
476 | /** | |
477 | * drm_connector_cleanup - cleans up an initialised connector | |
478 | * @connector: connector to cleanup | |
479 | * | |
480 | * LOCKING: | |
481 | * Caller must hold @dev's mode_config lock. | |
482 | * | |
483 | * Cleans up the connector but doesn't free the object. | |
484 | */ | |
485 | void drm_connector_cleanup(struct drm_connector *connector) | |
486 | { | |
487 | struct drm_device *dev = connector->dev; | |
488 | struct drm_display_mode *mode, *t; | |
489 | ||
490 | list_for_each_entry_safe(mode, t, &connector->probed_modes, head) | |
491 | drm_mode_remove(connector, mode); | |
492 | ||
493 | list_for_each_entry_safe(mode, t, &connector->modes, head) | |
494 | drm_mode_remove(connector, mode); | |
495 | ||
496 | list_for_each_entry_safe(mode, t, &connector->user_modes, head) | |
497 | drm_mode_remove(connector, mode); | |
498 | ||
499 | mutex_lock(&dev->mode_config.mutex); | |
500 | drm_mode_object_put(dev, &connector->base); | |
501 | list_del(&connector->head); | |
6380c509 | 502 | dev->mode_config.num_connector--; |
f453ba04 DA |
503 | mutex_unlock(&dev->mode_config.mutex); |
504 | } | |
505 | EXPORT_SYMBOL(drm_connector_cleanup); | |
506 | ||
507 | void drm_encoder_init(struct drm_device *dev, | |
508 | struct drm_encoder *encoder, | |
509 | const struct drm_encoder_funcs *funcs, | |
510 | int encoder_type) | |
511 | { | |
512 | mutex_lock(&dev->mode_config.mutex); | |
513 | ||
514 | encoder->dev = dev; | |
515 | ||
516 | drm_mode_object_get(dev, &encoder->base, DRM_MODE_OBJECT_ENCODER); | |
517 | encoder->encoder_type = encoder_type; | |
518 | encoder->funcs = funcs; | |
519 | ||
520 | list_add_tail(&encoder->head, &dev->mode_config.encoder_list); | |
521 | dev->mode_config.num_encoder++; | |
522 | ||
523 | mutex_unlock(&dev->mode_config.mutex); | |
524 | } | |
525 | EXPORT_SYMBOL(drm_encoder_init); | |
526 | ||
527 | void drm_encoder_cleanup(struct drm_encoder *encoder) | |
528 | { | |
529 | struct drm_device *dev = encoder->dev; | |
530 | mutex_lock(&dev->mode_config.mutex); | |
531 | drm_mode_object_put(dev, &encoder->base); | |
532 | list_del(&encoder->head); | |
6380c509 | 533 | dev->mode_config.num_encoder--; |
f453ba04 DA |
534 | mutex_unlock(&dev->mode_config.mutex); |
535 | } | |
536 | EXPORT_SYMBOL(drm_encoder_cleanup); | |
537 | ||
538 | /** | |
539 | * drm_mode_create - create a new display mode | |
540 | * @dev: DRM device | |
541 | * | |
542 | * LOCKING: | |
543 | * Caller must hold DRM mode_config lock. | |
544 | * | |
545 | * Create a new drm_display_mode, give it an ID, and return it. | |
546 | * | |
547 | * RETURNS: | |
548 | * Pointer to new mode on success, NULL on error. | |
549 | */ | |
550 | struct drm_display_mode *drm_mode_create(struct drm_device *dev) | |
551 | { | |
552 | struct drm_display_mode *nmode; | |
553 | ||
554 | nmode = kzalloc(sizeof(struct drm_display_mode), GFP_KERNEL); | |
555 | if (!nmode) | |
556 | return NULL; | |
557 | ||
558 | drm_mode_object_get(dev, &nmode->base, DRM_MODE_OBJECT_MODE); | |
559 | return nmode; | |
560 | } | |
561 | EXPORT_SYMBOL(drm_mode_create); | |
562 | ||
563 | /** | |
564 | * drm_mode_destroy - remove a mode | |
565 | * @dev: DRM device | |
566 | * @mode: mode to remove | |
567 | * | |
568 | * LOCKING: | |
569 | * Caller must hold mode config lock. | |
570 | * | |
571 | * Free @mode's unique identifier, then free it. | |
572 | */ | |
573 | void drm_mode_destroy(struct drm_device *dev, struct drm_display_mode *mode) | |
574 | { | |
575 | drm_mode_object_put(dev, &mode->base); | |
576 | ||
577 | kfree(mode); | |
578 | } | |
579 | EXPORT_SYMBOL(drm_mode_destroy); | |
580 | ||
581 | static int drm_mode_create_standard_connector_properties(struct drm_device *dev) | |
582 | { | |
583 | struct drm_property *edid; | |
584 | struct drm_property *dpms; | |
585 | int i; | |
586 | ||
587 | /* | |
588 | * Standard properties (apply to all connectors) | |
589 | */ | |
590 | edid = drm_property_create(dev, DRM_MODE_PROP_BLOB | | |
591 | DRM_MODE_PROP_IMMUTABLE, | |
592 | "EDID", 0); | |
593 | dev->mode_config.edid_property = edid; | |
594 | ||
595 | dpms = drm_property_create(dev, DRM_MODE_PROP_ENUM, | |
596 | "DPMS", ARRAY_SIZE(drm_dpms_enum_list)); | |
597 | for (i = 0; i < ARRAY_SIZE(drm_dpms_enum_list); i++) | |
598 | drm_property_add_enum(dpms, i, drm_dpms_enum_list[i].type, | |
599 | drm_dpms_enum_list[i].name); | |
600 | dev->mode_config.dpms_property = dpms; | |
601 | ||
602 | return 0; | |
603 | } | |
604 | ||
605 | /** | |
606 | * drm_mode_create_dvi_i_properties - create DVI-I specific connector properties | |
607 | * @dev: DRM device | |
608 | * | |
609 | * Called by a driver the first time a DVI-I connector is made. | |
610 | */ | |
611 | int drm_mode_create_dvi_i_properties(struct drm_device *dev) | |
612 | { | |
613 | struct drm_property *dvi_i_selector; | |
614 | struct drm_property *dvi_i_subconnector; | |
615 | int i; | |
616 | ||
617 | if (dev->mode_config.dvi_i_select_subconnector_property) | |
618 | return 0; | |
619 | ||
620 | dvi_i_selector = | |
621 | drm_property_create(dev, DRM_MODE_PROP_ENUM, | |
622 | "select subconnector", | |
623 | ARRAY_SIZE(drm_dvi_i_select_enum_list)); | |
624 | for (i = 0; i < ARRAY_SIZE(drm_dvi_i_select_enum_list); i++) | |
625 | drm_property_add_enum(dvi_i_selector, i, | |
626 | drm_dvi_i_select_enum_list[i].type, | |
627 | drm_dvi_i_select_enum_list[i].name); | |
628 | dev->mode_config.dvi_i_select_subconnector_property = dvi_i_selector; | |
629 | ||
630 | dvi_i_subconnector = | |
631 | drm_property_create(dev, DRM_MODE_PROP_ENUM | | |
632 | DRM_MODE_PROP_IMMUTABLE, | |
633 | "subconnector", | |
634 | ARRAY_SIZE(drm_dvi_i_subconnector_enum_list)); | |
635 | for (i = 0; i < ARRAY_SIZE(drm_dvi_i_subconnector_enum_list); i++) | |
636 | drm_property_add_enum(dvi_i_subconnector, i, | |
637 | drm_dvi_i_subconnector_enum_list[i].type, | |
638 | drm_dvi_i_subconnector_enum_list[i].name); | |
639 | dev->mode_config.dvi_i_subconnector_property = dvi_i_subconnector; | |
640 | ||
641 | return 0; | |
642 | } | |
643 | EXPORT_SYMBOL(drm_mode_create_dvi_i_properties); | |
644 | ||
645 | /** | |
646 | * drm_create_tv_properties - create TV specific connector properties | |
647 | * @dev: DRM device | |
648 | * @num_modes: number of different TV formats (modes) supported | |
649 | * @modes: array of pointers to strings containing name of each format | |
650 | * | |
651 | * Called by a driver's TV initialization routine, this function creates | |
652 | * the TV specific connector properties for a given device. Caller is | |
653 | * responsible for allocating a list of format names and passing them to | |
654 | * this routine. | |
655 | */ | |
656 | int drm_mode_create_tv_properties(struct drm_device *dev, int num_modes, | |
657 | char *modes[]) | |
658 | { | |
659 | struct drm_property *tv_selector; | |
660 | struct drm_property *tv_subconnector; | |
661 | int i; | |
662 | ||
663 | if (dev->mode_config.tv_select_subconnector_property) | |
664 | return 0; | |
665 | ||
666 | /* | |
667 | * Basic connector properties | |
668 | */ | |
669 | tv_selector = drm_property_create(dev, DRM_MODE_PROP_ENUM, | |
670 | "select subconnector", | |
671 | ARRAY_SIZE(drm_tv_select_enum_list)); | |
672 | for (i = 0; i < ARRAY_SIZE(drm_tv_select_enum_list); i++) | |
673 | drm_property_add_enum(tv_selector, i, | |
674 | drm_tv_select_enum_list[i].type, | |
675 | drm_tv_select_enum_list[i].name); | |
676 | dev->mode_config.tv_select_subconnector_property = tv_selector; | |
677 | ||
678 | tv_subconnector = | |
679 | drm_property_create(dev, DRM_MODE_PROP_ENUM | | |
680 | DRM_MODE_PROP_IMMUTABLE, "subconnector", | |
681 | ARRAY_SIZE(drm_tv_subconnector_enum_list)); | |
682 | for (i = 0; i < ARRAY_SIZE(drm_tv_subconnector_enum_list); i++) | |
683 | drm_property_add_enum(tv_subconnector, i, | |
684 | drm_tv_subconnector_enum_list[i].type, | |
685 | drm_tv_subconnector_enum_list[i].name); | |
686 | dev->mode_config.tv_subconnector_property = tv_subconnector; | |
687 | ||
688 | /* | |
689 | * Other, TV specific properties: margins & TV modes. | |
690 | */ | |
691 | dev->mode_config.tv_left_margin_property = | |
692 | drm_property_create(dev, DRM_MODE_PROP_RANGE, | |
693 | "left margin", 2); | |
694 | dev->mode_config.tv_left_margin_property->values[0] = 0; | |
695 | dev->mode_config.tv_left_margin_property->values[1] = 100; | |
696 | ||
697 | dev->mode_config.tv_right_margin_property = | |
698 | drm_property_create(dev, DRM_MODE_PROP_RANGE, | |
699 | "right margin", 2); | |
700 | dev->mode_config.tv_right_margin_property->values[0] = 0; | |
701 | dev->mode_config.tv_right_margin_property->values[1] = 100; | |
702 | ||
703 | dev->mode_config.tv_top_margin_property = | |
704 | drm_property_create(dev, DRM_MODE_PROP_RANGE, | |
705 | "top margin", 2); | |
706 | dev->mode_config.tv_top_margin_property->values[0] = 0; | |
707 | dev->mode_config.tv_top_margin_property->values[1] = 100; | |
708 | ||
709 | dev->mode_config.tv_bottom_margin_property = | |
710 | drm_property_create(dev, DRM_MODE_PROP_RANGE, | |
711 | "bottom margin", 2); | |
712 | dev->mode_config.tv_bottom_margin_property->values[0] = 0; | |
713 | dev->mode_config.tv_bottom_margin_property->values[1] = 100; | |
714 | ||
715 | dev->mode_config.tv_mode_property = | |
716 | drm_property_create(dev, DRM_MODE_PROP_ENUM, | |
717 | "mode", num_modes); | |
718 | for (i = 0; i < num_modes; i++) | |
719 | drm_property_add_enum(dev->mode_config.tv_mode_property, i, | |
720 | i, modes[i]); | |
721 | ||
b6b7902e FJ |
722 | dev->mode_config.tv_brightness_property = |
723 | drm_property_create(dev, DRM_MODE_PROP_RANGE, | |
724 | "brightness", 2); | |
725 | dev->mode_config.tv_brightness_property->values[0] = 0; | |
726 | dev->mode_config.tv_brightness_property->values[1] = 100; | |
727 | ||
728 | dev->mode_config.tv_contrast_property = | |
729 | drm_property_create(dev, DRM_MODE_PROP_RANGE, | |
730 | "contrast", 2); | |
731 | dev->mode_config.tv_contrast_property->values[0] = 0; | |
732 | dev->mode_config.tv_contrast_property->values[1] = 100; | |
733 | ||
734 | dev->mode_config.tv_flicker_reduction_property = | |
735 | drm_property_create(dev, DRM_MODE_PROP_RANGE, | |
736 | "flicker reduction", 2); | |
737 | dev->mode_config.tv_flicker_reduction_property->values[0] = 0; | |
738 | dev->mode_config.tv_flicker_reduction_property->values[1] = 100; | |
739 | ||
a75f0236 FJ |
740 | dev->mode_config.tv_overscan_property = |
741 | drm_property_create(dev, DRM_MODE_PROP_RANGE, | |
742 | "overscan", 2); | |
743 | dev->mode_config.tv_overscan_property->values[0] = 0; | |
744 | dev->mode_config.tv_overscan_property->values[1] = 100; | |
745 | ||
746 | dev->mode_config.tv_saturation_property = | |
747 | drm_property_create(dev, DRM_MODE_PROP_RANGE, | |
748 | "saturation", 2); | |
749 | dev->mode_config.tv_saturation_property->values[0] = 0; | |
750 | dev->mode_config.tv_saturation_property->values[1] = 100; | |
751 | ||
752 | dev->mode_config.tv_hue_property = | |
753 | drm_property_create(dev, DRM_MODE_PROP_RANGE, | |
754 | "hue", 2); | |
755 | dev->mode_config.tv_hue_property->values[0] = 0; | |
756 | dev->mode_config.tv_hue_property->values[1] = 100; | |
757 | ||
f453ba04 DA |
758 | return 0; |
759 | } | |
760 | EXPORT_SYMBOL(drm_mode_create_tv_properties); | |
761 | ||
762 | /** | |
763 | * drm_mode_create_scaling_mode_property - create scaling mode property | |
764 | * @dev: DRM device | |
765 | * | |
766 | * Called by a driver the first time it's needed, must be attached to desired | |
767 | * connectors. | |
768 | */ | |
769 | int drm_mode_create_scaling_mode_property(struct drm_device *dev) | |
770 | { | |
771 | struct drm_property *scaling_mode; | |
772 | int i; | |
773 | ||
774 | if (dev->mode_config.scaling_mode_property) | |
775 | return 0; | |
776 | ||
777 | scaling_mode = | |
778 | drm_property_create(dev, DRM_MODE_PROP_ENUM, "scaling mode", | |
779 | ARRAY_SIZE(drm_scaling_mode_enum_list)); | |
780 | for (i = 0; i < ARRAY_SIZE(drm_scaling_mode_enum_list); i++) | |
781 | drm_property_add_enum(scaling_mode, i, | |
782 | drm_scaling_mode_enum_list[i].type, | |
783 | drm_scaling_mode_enum_list[i].name); | |
784 | ||
785 | dev->mode_config.scaling_mode_property = scaling_mode; | |
786 | ||
787 | return 0; | |
788 | } | |
789 | EXPORT_SYMBOL(drm_mode_create_scaling_mode_property); | |
790 | ||
791 | /** | |
792 | * drm_mode_create_dithering_property - create dithering property | |
793 | * @dev: DRM device | |
794 | * | |
795 | * Called by a driver the first time it's needed, must be attached to desired | |
796 | * connectors. | |
797 | */ | |
798 | int drm_mode_create_dithering_property(struct drm_device *dev) | |
799 | { | |
800 | struct drm_property *dithering_mode; | |
801 | int i; | |
802 | ||
803 | if (dev->mode_config.dithering_mode_property) | |
804 | return 0; | |
805 | ||
806 | dithering_mode = | |
807 | drm_property_create(dev, DRM_MODE_PROP_ENUM, "dithering", | |
808 | ARRAY_SIZE(drm_dithering_mode_enum_list)); | |
809 | for (i = 0; i < ARRAY_SIZE(drm_dithering_mode_enum_list); i++) | |
810 | drm_property_add_enum(dithering_mode, i, | |
811 | drm_dithering_mode_enum_list[i].type, | |
812 | drm_dithering_mode_enum_list[i].name); | |
813 | dev->mode_config.dithering_mode_property = dithering_mode; | |
814 | ||
815 | return 0; | |
816 | } | |
817 | EXPORT_SYMBOL(drm_mode_create_dithering_property); | |
818 | ||
884840aa JB |
819 | /** |
820 | * drm_mode_create_dirty_property - create dirty property | |
821 | * @dev: DRM device | |
822 | * | |
823 | * Called by a driver the first time it's needed, must be attached to desired | |
824 | * connectors. | |
825 | */ | |
826 | int drm_mode_create_dirty_info_property(struct drm_device *dev) | |
827 | { | |
828 | struct drm_property *dirty_info; | |
829 | int i; | |
830 | ||
831 | if (dev->mode_config.dirty_info_property) | |
832 | return 0; | |
833 | ||
834 | dirty_info = | |
835 | drm_property_create(dev, DRM_MODE_PROP_ENUM | | |
836 | DRM_MODE_PROP_IMMUTABLE, | |
837 | "dirty", | |
838 | ARRAY_SIZE(drm_dirty_info_enum_list)); | |
839 | for (i = 0; i < ARRAY_SIZE(drm_dirty_info_enum_list); i++) | |
840 | drm_property_add_enum(dirty_info, i, | |
841 | drm_dirty_info_enum_list[i].type, | |
842 | drm_dirty_info_enum_list[i].name); | |
843 | dev->mode_config.dirty_info_property = dirty_info; | |
844 | ||
845 | return 0; | |
846 | } | |
847 | EXPORT_SYMBOL(drm_mode_create_dirty_info_property); | |
848 | ||
f453ba04 DA |
849 | /** |
850 | * drm_mode_config_init - initialize DRM mode_configuration structure | |
851 | * @dev: DRM device | |
852 | * | |
853 | * LOCKING: | |
854 | * None, should happen single threaded at init time. | |
855 | * | |
856 | * Initialize @dev's mode_config structure, used for tracking the graphics | |
857 | * configuration of @dev. | |
858 | */ | |
859 | void drm_mode_config_init(struct drm_device *dev) | |
860 | { | |
861 | mutex_init(&dev->mode_config.mutex); | |
ad2563c2 | 862 | mutex_init(&dev->mode_config.idr_mutex); |
f453ba04 | 863 | INIT_LIST_HEAD(&dev->mode_config.fb_list); |
f453ba04 DA |
864 | INIT_LIST_HEAD(&dev->mode_config.crtc_list); |
865 | INIT_LIST_HEAD(&dev->mode_config.connector_list); | |
866 | INIT_LIST_HEAD(&dev->mode_config.encoder_list); | |
867 | INIT_LIST_HEAD(&dev->mode_config.property_list); | |
868 | INIT_LIST_HEAD(&dev->mode_config.property_blob_list); | |
869 | idr_init(&dev->mode_config.crtc_idr); | |
870 | ||
871 | mutex_lock(&dev->mode_config.mutex); | |
872 | drm_mode_create_standard_connector_properties(dev); | |
873 | mutex_unlock(&dev->mode_config.mutex); | |
874 | ||
875 | /* Just to be sure */ | |
876 | dev->mode_config.num_fb = 0; | |
877 | dev->mode_config.num_connector = 0; | |
878 | dev->mode_config.num_crtc = 0; | |
879 | dev->mode_config.num_encoder = 0; | |
f453ba04 DA |
880 | } |
881 | EXPORT_SYMBOL(drm_mode_config_init); | |
882 | ||
883 | int drm_mode_group_init(struct drm_device *dev, struct drm_mode_group *group) | |
884 | { | |
885 | uint32_t total_objects = 0; | |
886 | ||
887 | total_objects += dev->mode_config.num_crtc; | |
888 | total_objects += dev->mode_config.num_connector; | |
889 | total_objects += dev->mode_config.num_encoder; | |
890 | ||
f453ba04 DA |
891 | group->id_list = kzalloc(total_objects * sizeof(uint32_t), GFP_KERNEL); |
892 | if (!group->id_list) | |
893 | return -ENOMEM; | |
894 | ||
895 | group->num_crtcs = 0; | |
896 | group->num_connectors = 0; | |
897 | group->num_encoders = 0; | |
898 | return 0; | |
899 | } | |
900 | ||
901 | int drm_mode_group_init_legacy_group(struct drm_device *dev, | |
902 | struct drm_mode_group *group) | |
903 | { | |
904 | struct drm_crtc *crtc; | |
905 | struct drm_encoder *encoder; | |
906 | struct drm_connector *connector; | |
907 | int ret; | |
908 | ||
909 | if ((ret = drm_mode_group_init(dev, group))) | |
910 | return ret; | |
911 | ||
912 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) | |
913 | group->id_list[group->num_crtcs++] = crtc->base.id; | |
914 | ||
915 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) | |
916 | group->id_list[group->num_crtcs + group->num_encoders++] = | |
917 | encoder->base.id; | |
918 | ||
919 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) | |
920 | group->id_list[group->num_crtcs + group->num_encoders + | |
921 | group->num_connectors++] = connector->base.id; | |
922 | ||
923 | return 0; | |
924 | } | |
925 | ||
926 | /** | |
927 | * drm_mode_config_cleanup - free up DRM mode_config info | |
928 | * @dev: DRM device | |
929 | * | |
930 | * LOCKING: | |
931 | * Caller must hold mode config lock. | |
932 | * | |
933 | * Free up all the connectors and CRTCs associated with this DRM device, then | |
934 | * free up the framebuffers and associated buffer objects. | |
935 | * | |
936 | * FIXME: cleanup any dangling user buffer objects too | |
937 | */ | |
938 | void drm_mode_config_cleanup(struct drm_device *dev) | |
939 | { | |
940 | struct drm_connector *connector, *ot; | |
941 | struct drm_crtc *crtc, *ct; | |
942 | struct drm_encoder *encoder, *enct; | |
943 | struct drm_framebuffer *fb, *fbt; | |
944 | struct drm_property *property, *pt; | |
945 | ||
946 | list_for_each_entry_safe(encoder, enct, &dev->mode_config.encoder_list, | |
947 | head) { | |
948 | encoder->funcs->destroy(encoder); | |
949 | } | |
950 | ||
951 | list_for_each_entry_safe(connector, ot, | |
952 | &dev->mode_config.connector_list, head) { | |
953 | connector->funcs->destroy(connector); | |
954 | } | |
955 | ||
956 | list_for_each_entry_safe(property, pt, &dev->mode_config.property_list, | |
957 | head) { | |
958 | drm_property_destroy(dev, property); | |
959 | } | |
960 | ||
961 | list_for_each_entry_safe(fb, fbt, &dev->mode_config.fb_list, head) { | |
962 | fb->funcs->destroy(fb); | |
963 | } | |
964 | ||
965 | list_for_each_entry_safe(crtc, ct, &dev->mode_config.crtc_list, head) { | |
966 | crtc->funcs->destroy(crtc); | |
967 | } | |
968 | ||
969 | } | |
970 | EXPORT_SYMBOL(drm_mode_config_cleanup); | |
971 | ||
f453ba04 DA |
972 | /** |
973 | * drm_crtc_convert_to_umode - convert a drm_display_mode into a modeinfo | |
974 | * @out: drm_mode_modeinfo struct to return to the user | |
975 | * @in: drm_display_mode to use | |
976 | * | |
977 | * LOCKING: | |
978 | * None. | |
979 | * | |
980 | * Convert a drm_display_mode into a drm_mode_modeinfo structure to return to | |
981 | * the user. | |
982 | */ | |
983 | void drm_crtc_convert_to_umode(struct drm_mode_modeinfo *out, | |
984 | struct drm_display_mode *in) | |
985 | { | |
986 | out->clock = in->clock; | |
987 | out->hdisplay = in->hdisplay; | |
988 | out->hsync_start = in->hsync_start; | |
989 | out->hsync_end = in->hsync_end; | |
990 | out->htotal = in->htotal; | |
991 | out->hskew = in->hskew; | |
992 | out->vdisplay = in->vdisplay; | |
993 | out->vsync_start = in->vsync_start; | |
994 | out->vsync_end = in->vsync_end; | |
995 | out->vtotal = in->vtotal; | |
996 | out->vscan = in->vscan; | |
997 | out->vrefresh = in->vrefresh; | |
998 | out->flags = in->flags; | |
999 | out->type = in->type; | |
1000 | strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN); | |
1001 | out->name[DRM_DISPLAY_MODE_LEN-1] = 0; | |
1002 | } | |
1003 | ||
1004 | /** | |
1005 | * drm_crtc_convert_to_umode - convert a modeinfo into a drm_display_mode | |
1006 | * @out: drm_display_mode to return to the user | |
1007 | * @in: drm_mode_modeinfo to use | |
1008 | * | |
1009 | * LOCKING: | |
1010 | * None. | |
1011 | * | |
1012 | * Convert a drm_mode_modeinfo into a drm_display_mode structure to return to | |
1013 | * the caller. | |
1014 | */ | |
1015 | void drm_crtc_convert_umode(struct drm_display_mode *out, | |
1016 | struct drm_mode_modeinfo *in) | |
1017 | { | |
1018 | out->clock = in->clock; | |
1019 | out->hdisplay = in->hdisplay; | |
1020 | out->hsync_start = in->hsync_start; | |
1021 | out->hsync_end = in->hsync_end; | |
1022 | out->htotal = in->htotal; | |
1023 | out->hskew = in->hskew; | |
1024 | out->vdisplay = in->vdisplay; | |
1025 | out->vsync_start = in->vsync_start; | |
1026 | out->vsync_end = in->vsync_end; | |
1027 | out->vtotal = in->vtotal; | |
1028 | out->vscan = in->vscan; | |
1029 | out->vrefresh = in->vrefresh; | |
1030 | out->flags = in->flags; | |
1031 | out->type = in->type; | |
1032 | strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN); | |
1033 | out->name[DRM_DISPLAY_MODE_LEN-1] = 0; | |
1034 | } | |
1035 | ||
1036 | /** | |
1037 | * drm_mode_getresources - get graphics configuration | |
1038 | * @inode: inode from the ioctl | |
1039 | * @filp: file * from the ioctl | |
1040 | * @cmd: cmd from ioctl | |
1041 | * @arg: arg from ioctl | |
1042 | * | |
1043 | * LOCKING: | |
1044 | * Takes mode config lock. | |
1045 | * | |
1046 | * Construct a set of configuration description structures and return | |
1047 | * them to the user, including CRTC, connector and framebuffer configuration. | |
1048 | * | |
1049 | * Called by the user via ioctl. | |
1050 | * | |
1051 | * RETURNS: | |
1052 | * Zero on success, errno on failure. | |
1053 | */ | |
1054 | int drm_mode_getresources(struct drm_device *dev, void *data, | |
1055 | struct drm_file *file_priv) | |
1056 | { | |
1057 | struct drm_mode_card_res *card_res = data; | |
1058 | struct list_head *lh; | |
1059 | struct drm_framebuffer *fb; | |
1060 | struct drm_connector *connector; | |
1061 | struct drm_crtc *crtc; | |
1062 | struct drm_encoder *encoder; | |
1063 | int ret = 0; | |
1064 | int connector_count = 0; | |
1065 | int crtc_count = 0; | |
1066 | int fb_count = 0; | |
1067 | int encoder_count = 0; | |
1068 | int copied = 0, i; | |
1069 | uint32_t __user *fb_id; | |
1070 | uint32_t __user *crtc_id; | |
1071 | uint32_t __user *connector_id; | |
1072 | uint32_t __user *encoder_id; | |
1073 | struct drm_mode_group *mode_group; | |
1074 | ||
fb3b06c8 DA |
1075 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
1076 | return -EINVAL; | |
1077 | ||
f453ba04 DA |
1078 | mutex_lock(&dev->mode_config.mutex); |
1079 | ||
1080 | /* | |
1081 | * For the non-control nodes we need to limit the list of resources | |
1082 | * by IDs in the group list for this node | |
1083 | */ | |
1084 | list_for_each(lh, &file_priv->fbs) | |
1085 | fb_count++; | |
1086 | ||
1087 | mode_group = &file_priv->master->minor->mode_group; | |
1088 | if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { | |
1089 | ||
1090 | list_for_each(lh, &dev->mode_config.crtc_list) | |
1091 | crtc_count++; | |
1092 | ||
1093 | list_for_each(lh, &dev->mode_config.connector_list) | |
1094 | connector_count++; | |
1095 | ||
1096 | list_for_each(lh, &dev->mode_config.encoder_list) | |
1097 | encoder_count++; | |
1098 | } else { | |
1099 | ||
1100 | crtc_count = mode_group->num_crtcs; | |
1101 | connector_count = mode_group->num_connectors; | |
1102 | encoder_count = mode_group->num_encoders; | |
1103 | } | |
1104 | ||
1105 | card_res->max_height = dev->mode_config.max_height; | |
1106 | card_res->min_height = dev->mode_config.min_height; | |
1107 | card_res->max_width = dev->mode_config.max_width; | |
1108 | card_res->min_width = dev->mode_config.min_width; | |
1109 | ||
1110 | /* handle this in 4 parts */ | |
1111 | /* FBs */ | |
1112 | if (card_res->count_fbs >= fb_count) { | |
1113 | copied = 0; | |
1114 | fb_id = (uint32_t __user *)(unsigned long)card_res->fb_id_ptr; | |
618c75e4 | 1115 | list_for_each_entry(fb, &file_priv->fbs, filp_head) { |
f453ba04 DA |
1116 | if (put_user(fb->base.id, fb_id + copied)) { |
1117 | ret = -EFAULT; | |
1118 | goto out; | |
1119 | } | |
1120 | copied++; | |
1121 | } | |
1122 | } | |
1123 | card_res->count_fbs = fb_count; | |
1124 | ||
1125 | /* CRTCs */ | |
1126 | if (card_res->count_crtcs >= crtc_count) { | |
1127 | copied = 0; | |
1128 | crtc_id = (uint32_t __user *)(unsigned long)card_res->crtc_id_ptr; | |
1129 | if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { | |
1130 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, | |
1131 | head) { | |
9440106b | 1132 | DRM_DEBUG_KMS("[CRTC:%d]\n", crtc->base.id); |
f453ba04 DA |
1133 | if (put_user(crtc->base.id, crtc_id + copied)) { |
1134 | ret = -EFAULT; | |
1135 | goto out; | |
1136 | } | |
1137 | copied++; | |
1138 | } | |
1139 | } else { | |
1140 | for (i = 0; i < mode_group->num_crtcs; i++) { | |
1141 | if (put_user(mode_group->id_list[i], | |
1142 | crtc_id + copied)) { | |
1143 | ret = -EFAULT; | |
1144 | goto out; | |
1145 | } | |
1146 | copied++; | |
1147 | } | |
1148 | } | |
1149 | } | |
1150 | card_res->count_crtcs = crtc_count; | |
1151 | ||
1152 | /* Encoders */ | |
1153 | if (card_res->count_encoders >= encoder_count) { | |
1154 | copied = 0; | |
1155 | encoder_id = (uint32_t __user *)(unsigned long)card_res->encoder_id_ptr; | |
1156 | if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { | |
1157 | list_for_each_entry(encoder, | |
1158 | &dev->mode_config.encoder_list, | |
1159 | head) { | |
9440106b JG |
1160 | DRM_DEBUG_KMS("[ENCODER:%d:%s]\n", encoder->base.id, |
1161 | drm_get_encoder_name(encoder)); | |
f453ba04 DA |
1162 | if (put_user(encoder->base.id, encoder_id + |
1163 | copied)) { | |
1164 | ret = -EFAULT; | |
1165 | goto out; | |
1166 | } | |
1167 | copied++; | |
1168 | } | |
1169 | } else { | |
1170 | for (i = mode_group->num_crtcs; i < mode_group->num_crtcs + mode_group->num_encoders; i++) { | |
1171 | if (put_user(mode_group->id_list[i], | |
1172 | encoder_id + copied)) { | |
1173 | ret = -EFAULT; | |
1174 | goto out; | |
1175 | } | |
1176 | copied++; | |
1177 | } | |
1178 | ||
1179 | } | |
1180 | } | |
1181 | card_res->count_encoders = encoder_count; | |
1182 | ||
1183 | /* Connectors */ | |
1184 | if (card_res->count_connectors >= connector_count) { | |
1185 | copied = 0; | |
1186 | connector_id = (uint32_t __user *)(unsigned long)card_res->connector_id_ptr; | |
1187 | if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { | |
1188 | list_for_each_entry(connector, | |
1189 | &dev->mode_config.connector_list, | |
1190 | head) { | |
9440106b JG |
1191 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", |
1192 | connector->base.id, | |
1193 | drm_get_connector_name(connector)); | |
f453ba04 DA |
1194 | if (put_user(connector->base.id, |
1195 | connector_id + copied)) { | |
1196 | ret = -EFAULT; | |
1197 | goto out; | |
1198 | } | |
1199 | copied++; | |
1200 | } | |
1201 | } else { | |
1202 | int start = mode_group->num_crtcs + | |
1203 | mode_group->num_encoders; | |
1204 | for (i = start; i < start + mode_group->num_connectors; i++) { | |
1205 | if (put_user(mode_group->id_list[i], | |
1206 | connector_id + copied)) { | |
1207 | ret = -EFAULT; | |
1208 | goto out; | |
1209 | } | |
1210 | copied++; | |
1211 | } | |
1212 | } | |
1213 | } | |
1214 | card_res->count_connectors = connector_count; | |
1215 | ||
9440106b | 1216 | DRM_DEBUG_KMS("CRTC[%d] CONNECTORS[%d] ENCODERS[%d]\n", card_res->count_crtcs, |
f453ba04 DA |
1217 | card_res->count_connectors, card_res->count_encoders); |
1218 | ||
1219 | out: | |
1220 | mutex_unlock(&dev->mode_config.mutex); | |
1221 | return ret; | |
1222 | } | |
1223 | ||
1224 | /** | |
1225 | * drm_mode_getcrtc - get CRTC configuration | |
1226 | * @inode: inode from the ioctl | |
1227 | * @filp: file * from the ioctl | |
1228 | * @cmd: cmd from ioctl | |
1229 | * @arg: arg from ioctl | |
1230 | * | |
1231 | * LOCKING: | |
1232 | * Caller? (FIXME) | |
1233 | * | |
1234 | * Construct a CRTC configuration structure to return to the user. | |
1235 | * | |
1236 | * Called by the user via ioctl. | |
1237 | * | |
1238 | * RETURNS: | |
1239 | * Zero on success, errno on failure. | |
1240 | */ | |
1241 | int drm_mode_getcrtc(struct drm_device *dev, | |
1242 | void *data, struct drm_file *file_priv) | |
1243 | { | |
1244 | struct drm_mode_crtc *crtc_resp = data; | |
1245 | struct drm_crtc *crtc; | |
1246 | struct drm_mode_object *obj; | |
1247 | int ret = 0; | |
1248 | ||
fb3b06c8 DA |
1249 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
1250 | return -EINVAL; | |
1251 | ||
f453ba04 DA |
1252 | mutex_lock(&dev->mode_config.mutex); |
1253 | ||
1254 | obj = drm_mode_object_find(dev, crtc_resp->crtc_id, | |
1255 | DRM_MODE_OBJECT_CRTC); | |
1256 | if (!obj) { | |
1257 | ret = -EINVAL; | |
1258 | goto out; | |
1259 | } | |
1260 | crtc = obj_to_crtc(obj); | |
1261 | ||
1262 | crtc_resp->x = crtc->x; | |
1263 | crtc_resp->y = crtc->y; | |
1264 | crtc_resp->gamma_size = crtc->gamma_size; | |
1265 | if (crtc->fb) | |
1266 | crtc_resp->fb_id = crtc->fb->base.id; | |
1267 | else | |
1268 | crtc_resp->fb_id = 0; | |
1269 | ||
1270 | if (crtc->enabled) { | |
1271 | ||
1272 | drm_crtc_convert_to_umode(&crtc_resp->mode, &crtc->mode); | |
1273 | crtc_resp->mode_valid = 1; | |
1274 | ||
1275 | } else { | |
1276 | crtc_resp->mode_valid = 0; | |
1277 | } | |
1278 | ||
1279 | out: | |
1280 | mutex_unlock(&dev->mode_config.mutex); | |
1281 | return ret; | |
1282 | } | |
1283 | ||
1284 | /** | |
1285 | * drm_mode_getconnector - get connector configuration | |
1286 | * @inode: inode from the ioctl | |
1287 | * @filp: file * from the ioctl | |
1288 | * @cmd: cmd from ioctl | |
1289 | * @arg: arg from ioctl | |
1290 | * | |
1291 | * LOCKING: | |
1292 | * Caller? (FIXME) | |
1293 | * | |
1294 | * Construct a connector configuration structure to return to the user. | |
1295 | * | |
1296 | * Called by the user via ioctl. | |
1297 | * | |
1298 | * RETURNS: | |
1299 | * Zero on success, errno on failure. | |
1300 | */ | |
1301 | int drm_mode_getconnector(struct drm_device *dev, void *data, | |
1302 | struct drm_file *file_priv) | |
1303 | { | |
1304 | struct drm_mode_get_connector *out_resp = data; | |
1305 | struct drm_mode_object *obj; | |
1306 | struct drm_connector *connector; | |
1307 | struct drm_display_mode *mode; | |
1308 | int mode_count = 0; | |
1309 | int props_count = 0; | |
1310 | int encoders_count = 0; | |
1311 | int ret = 0; | |
1312 | int copied = 0; | |
1313 | int i; | |
1314 | struct drm_mode_modeinfo u_mode; | |
1315 | struct drm_mode_modeinfo __user *mode_ptr; | |
1316 | uint32_t __user *prop_ptr; | |
1317 | uint64_t __user *prop_values; | |
1318 | uint32_t __user *encoder_ptr; | |
1319 | ||
fb3b06c8 DA |
1320 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
1321 | return -EINVAL; | |
1322 | ||
f453ba04 DA |
1323 | memset(&u_mode, 0, sizeof(struct drm_mode_modeinfo)); |
1324 | ||
9440106b | 1325 | DRM_DEBUG_KMS("[CONNECTOR:%d:?]\n", out_resp->connector_id); |
f453ba04 DA |
1326 | |
1327 | mutex_lock(&dev->mode_config.mutex); | |
1328 | ||
1329 | obj = drm_mode_object_find(dev, out_resp->connector_id, | |
1330 | DRM_MODE_OBJECT_CONNECTOR); | |
1331 | if (!obj) { | |
1332 | ret = -EINVAL; | |
1333 | goto out; | |
1334 | } | |
1335 | connector = obj_to_connector(obj); | |
1336 | ||
1337 | for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) { | |
1338 | if (connector->property_ids[i] != 0) { | |
1339 | props_count++; | |
1340 | } | |
1341 | } | |
1342 | ||
1343 | for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { | |
1344 | if (connector->encoder_ids[i] != 0) { | |
1345 | encoders_count++; | |
1346 | } | |
1347 | } | |
1348 | ||
1349 | if (out_resp->count_modes == 0) { | |
1350 | connector->funcs->fill_modes(connector, | |
1351 | dev->mode_config.max_width, | |
1352 | dev->mode_config.max_height); | |
1353 | } | |
1354 | ||
1355 | /* delayed so we get modes regardless of pre-fill_modes state */ | |
1356 | list_for_each_entry(mode, &connector->modes, head) | |
1357 | mode_count++; | |
1358 | ||
1359 | out_resp->connector_id = connector->base.id; | |
1360 | out_resp->connector_type = connector->connector_type; | |
1361 | out_resp->connector_type_id = connector->connector_type_id; | |
1362 | out_resp->mm_width = connector->display_info.width_mm; | |
1363 | out_resp->mm_height = connector->display_info.height_mm; | |
1364 | out_resp->subpixel = connector->display_info.subpixel_order; | |
1365 | out_resp->connection = connector->status; | |
1366 | if (connector->encoder) | |
1367 | out_resp->encoder_id = connector->encoder->base.id; | |
1368 | else | |
1369 | out_resp->encoder_id = 0; | |
1370 | ||
1371 | /* | |
1372 | * This ioctl is called twice, once to determine how much space is | |
1373 | * needed, and the 2nd time to fill it. | |
1374 | */ | |
1375 | if ((out_resp->count_modes >= mode_count) && mode_count) { | |
1376 | copied = 0; | |
1377 | mode_ptr = (struct drm_mode_modeinfo *)(unsigned long)out_resp->modes_ptr; | |
1378 | list_for_each_entry(mode, &connector->modes, head) { | |
1379 | drm_crtc_convert_to_umode(&u_mode, mode); | |
1380 | if (copy_to_user(mode_ptr + copied, | |
1381 | &u_mode, sizeof(u_mode))) { | |
1382 | ret = -EFAULT; | |
1383 | goto out; | |
1384 | } | |
1385 | copied++; | |
1386 | } | |
1387 | } | |
1388 | out_resp->count_modes = mode_count; | |
1389 | ||
1390 | if ((out_resp->count_props >= props_count) && props_count) { | |
1391 | copied = 0; | |
1392 | prop_ptr = (uint32_t *)(unsigned long)(out_resp->props_ptr); | |
1393 | prop_values = (uint64_t *)(unsigned long)(out_resp->prop_values_ptr); | |
1394 | for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) { | |
1395 | if (connector->property_ids[i] != 0) { | |
1396 | if (put_user(connector->property_ids[i], | |
1397 | prop_ptr + copied)) { | |
1398 | ret = -EFAULT; | |
1399 | goto out; | |
1400 | } | |
1401 | ||
1402 | if (put_user(connector->property_values[i], | |
1403 | prop_values + copied)) { | |
1404 | ret = -EFAULT; | |
1405 | goto out; | |
1406 | } | |
1407 | copied++; | |
1408 | } | |
1409 | } | |
1410 | } | |
1411 | out_resp->count_props = props_count; | |
1412 | ||
1413 | if ((out_resp->count_encoders >= encoders_count) && encoders_count) { | |
1414 | copied = 0; | |
1415 | encoder_ptr = (uint32_t *)(unsigned long)(out_resp->encoders_ptr); | |
1416 | for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { | |
1417 | if (connector->encoder_ids[i] != 0) { | |
1418 | if (put_user(connector->encoder_ids[i], | |
1419 | encoder_ptr + copied)) { | |
1420 | ret = -EFAULT; | |
1421 | goto out; | |
1422 | } | |
1423 | copied++; | |
1424 | } | |
1425 | } | |
1426 | } | |
1427 | out_resp->count_encoders = encoders_count; | |
1428 | ||
1429 | out: | |
1430 | mutex_unlock(&dev->mode_config.mutex); | |
1431 | return ret; | |
1432 | } | |
1433 | ||
1434 | int drm_mode_getencoder(struct drm_device *dev, void *data, | |
1435 | struct drm_file *file_priv) | |
1436 | { | |
1437 | struct drm_mode_get_encoder *enc_resp = data; | |
1438 | struct drm_mode_object *obj; | |
1439 | struct drm_encoder *encoder; | |
1440 | int ret = 0; | |
1441 | ||
fb3b06c8 DA |
1442 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
1443 | return -EINVAL; | |
1444 | ||
f453ba04 DA |
1445 | mutex_lock(&dev->mode_config.mutex); |
1446 | obj = drm_mode_object_find(dev, enc_resp->encoder_id, | |
1447 | DRM_MODE_OBJECT_ENCODER); | |
1448 | if (!obj) { | |
1449 | ret = -EINVAL; | |
1450 | goto out; | |
1451 | } | |
1452 | encoder = obj_to_encoder(obj); | |
1453 | ||
1454 | if (encoder->crtc) | |
1455 | enc_resp->crtc_id = encoder->crtc->base.id; | |
1456 | else | |
1457 | enc_resp->crtc_id = 0; | |
1458 | enc_resp->encoder_type = encoder->encoder_type; | |
1459 | enc_resp->encoder_id = encoder->base.id; | |
1460 | enc_resp->possible_crtcs = encoder->possible_crtcs; | |
1461 | enc_resp->possible_clones = encoder->possible_clones; | |
1462 | ||
1463 | out: | |
1464 | mutex_unlock(&dev->mode_config.mutex); | |
1465 | return ret; | |
1466 | } | |
1467 | ||
1468 | /** | |
1469 | * drm_mode_setcrtc - set CRTC configuration | |
1470 | * @inode: inode from the ioctl | |
1471 | * @filp: file * from the ioctl | |
1472 | * @cmd: cmd from ioctl | |
1473 | * @arg: arg from ioctl | |
1474 | * | |
1475 | * LOCKING: | |
1476 | * Caller? (FIXME) | |
1477 | * | |
1478 | * Build a new CRTC configuration based on user request. | |
1479 | * | |
1480 | * Called by the user via ioctl. | |
1481 | * | |
1482 | * RETURNS: | |
1483 | * Zero on success, errno on failure. | |
1484 | */ | |
1485 | int drm_mode_setcrtc(struct drm_device *dev, void *data, | |
1486 | struct drm_file *file_priv) | |
1487 | { | |
1488 | struct drm_mode_config *config = &dev->mode_config; | |
1489 | struct drm_mode_crtc *crtc_req = data; | |
1490 | struct drm_mode_object *obj; | |
1491 | struct drm_crtc *crtc, *crtcfb; | |
1492 | struct drm_connector **connector_set = NULL, *connector; | |
1493 | struct drm_framebuffer *fb = NULL; | |
1494 | struct drm_display_mode *mode = NULL; | |
1495 | struct drm_mode_set set; | |
1496 | uint32_t __user *set_connectors_ptr; | |
1497 | int ret = 0; | |
1498 | int i; | |
1499 | ||
fb3b06c8 DA |
1500 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
1501 | return -EINVAL; | |
1502 | ||
f453ba04 DA |
1503 | mutex_lock(&dev->mode_config.mutex); |
1504 | obj = drm_mode_object_find(dev, crtc_req->crtc_id, | |
1505 | DRM_MODE_OBJECT_CRTC); | |
1506 | if (!obj) { | |
58367ed6 | 1507 | DRM_DEBUG_KMS("Unknown CRTC ID %d\n", crtc_req->crtc_id); |
f453ba04 DA |
1508 | ret = -EINVAL; |
1509 | goto out; | |
1510 | } | |
1511 | crtc = obj_to_crtc(obj); | |
9440106b | 1512 | DRM_DEBUG_KMS("[CRTC:%d]\n", crtc->base.id); |
f453ba04 DA |
1513 | |
1514 | if (crtc_req->mode_valid) { | |
1515 | /* If we have a mode we need a framebuffer. */ | |
1516 | /* If we pass -1, set the mode with the currently bound fb */ | |
1517 | if (crtc_req->fb_id == -1) { | |
1518 | list_for_each_entry(crtcfb, | |
1519 | &dev->mode_config.crtc_list, head) { | |
1520 | if (crtcfb == crtc) { | |
58367ed6 ZY |
1521 | DRM_DEBUG_KMS("Using current fb for " |
1522 | "setmode\n"); | |
f453ba04 DA |
1523 | fb = crtc->fb; |
1524 | } | |
1525 | } | |
1526 | } else { | |
1527 | obj = drm_mode_object_find(dev, crtc_req->fb_id, | |
1528 | DRM_MODE_OBJECT_FB); | |
1529 | if (!obj) { | |
58367ed6 ZY |
1530 | DRM_DEBUG_KMS("Unknown FB ID%d\n", |
1531 | crtc_req->fb_id); | |
f453ba04 DA |
1532 | ret = -EINVAL; |
1533 | goto out; | |
1534 | } | |
1535 | fb = obj_to_fb(obj); | |
1536 | } | |
1537 | ||
1538 | mode = drm_mode_create(dev); | |
1539 | drm_crtc_convert_umode(mode, &crtc_req->mode); | |
1540 | drm_mode_set_crtcinfo(mode, CRTC_INTERLACE_HALVE_V); | |
1541 | } | |
1542 | ||
1543 | if (crtc_req->count_connectors == 0 && mode) { | |
58367ed6 | 1544 | DRM_DEBUG_KMS("Count connectors is 0 but mode set\n"); |
f453ba04 DA |
1545 | ret = -EINVAL; |
1546 | goto out; | |
1547 | } | |
1548 | ||
7781de74 | 1549 | if (crtc_req->count_connectors > 0 && (!mode || !fb)) { |
58367ed6 | 1550 | DRM_DEBUG_KMS("Count connectors is %d but no mode or fb set\n", |
f453ba04 DA |
1551 | crtc_req->count_connectors); |
1552 | ret = -EINVAL; | |
1553 | goto out; | |
1554 | } | |
1555 | ||
1556 | if (crtc_req->count_connectors > 0) { | |
1557 | u32 out_id; | |
1558 | ||
1559 | /* Avoid unbounded kernel memory allocation */ | |
1560 | if (crtc_req->count_connectors > config->num_connector) { | |
1561 | ret = -EINVAL; | |
1562 | goto out; | |
1563 | } | |
1564 | ||
1565 | connector_set = kmalloc(crtc_req->count_connectors * | |
1566 | sizeof(struct drm_connector *), | |
1567 | GFP_KERNEL); | |
1568 | if (!connector_set) { | |
1569 | ret = -ENOMEM; | |
1570 | goto out; | |
1571 | } | |
1572 | ||
1573 | for (i = 0; i < crtc_req->count_connectors; i++) { | |
1574 | set_connectors_ptr = (uint32_t *)(unsigned long)crtc_req->set_connectors_ptr; | |
1575 | if (get_user(out_id, &set_connectors_ptr[i])) { | |
1576 | ret = -EFAULT; | |
1577 | goto out; | |
1578 | } | |
1579 | ||
1580 | obj = drm_mode_object_find(dev, out_id, | |
1581 | DRM_MODE_OBJECT_CONNECTOR); | |
1582 | if (!obj) { | |
58367ed6 ZY |
1583 | DRM_DEBUG_KMS("Connector id %d unknown\n", |
1584 | out_id); | |
f453ba04 DA |
1585 | ret = -EINVAL; |
1586 | goto out; | |
1587 | } | |
1588 | connector = obj_to_connector(obj); | |
9440106b JG |
1589 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", |
1590 | connector->base.id, | |
1591 | drm_get_connector_name(connector)); | |
f453ba04 DA |
1592 | |
1593 | connector_set[i] = connector; | |
1594 | } | |
1595 | } | |
1596 | ||
1597 | set.crtc = crtc; | |
1598 | set.x = crtc_req->x; | |
1599 | set.y = crtc_req->y; | |
1600 | set.mode = mode; | |
1601 | set.connectors = connector_set; | |
1602 | set.num_connectors = crtc_req->count_connectors; | |
5ef5f72f | 1603 | set.fb = fb; |
f453ba04 DA |
1604 | ret = crtc->funcs->set_config(&set); |
1605 | ||
1606 | out: | |
1607 | kfree(connector_set); | |
1608 | mutex_unlock(&dev->mode_config.mutex); | |
1609 | return ret; | |
1610 | } | |
1611 | ||
1612 | int drm_mode_cursor_ioctl(struct drm_device *dev, | |
1613 | void *data, struct drm_file *file_priv) | |
1614 | { | |
1615 | struct drm_mode_cursor *req = data; | |
1616 | struct drm_mode_object *obj; | |
1617 | struct drm_crtc *crtc; | |
1618 | int ret = 0; | |
1619 | ||
fb3b06c8 DA |
1620 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
1621 | return -EINVAL; | |
1622 | ||
f453ba04 DA |
1623 | if (!req->flags) { |
1624 | DRM_ERROR("no operation set\n"); | |
1625 | return -EINVAL; | |
1626 | } | |
1627 | ||
1628 | mutex_lock(&dev->mode_config.mutex); | |
e0c8463a | 1629 | obj = drm_mode_object_find(dev, req->crtc_id, DRM_MODE_OBJECT_CRTC); |
f453ba04 | 1630 | if (!obj) { |
58367ed6 | 1631 | DRM_DEBUG_KMS("Unknown CRTC ID %d\n", req->crtc_id); |
f453ba04 DA |
1632 | ret = -EINVAL; |
1633 | goto out; | |
1634 | } | |
1635 | crtc = obj_to_crtc(obj); | |
1636 | ||
1637 | if (req->flags & DRM_MODE_CURSOR_BO) { | |
1638 | if (!crtc->funcs->cursor_set) { | |
1639 | DRM_ERROR("crtc does not support cursor\n"); | |
1640 | ret = -ENXIO; | |
1641 | goto out; | |
1642 | } | |
1643 | /* Turns off the cursor if handle is 0 */ | |
1644 | ret = crtc->funcs->cursor_set(crtc, file_priv, req->handle, | |
1645 | req->width, req->height); | |
1646 | } | |
1647 | ||
1648 | if (req->flags & DRM_MODE_CURSOR_MOVE) { | |
1649 | if (crtc->funcs->cursor_move) { | |
1650 | ret = crtc->funcs->cursor_move(crtc, req->x, req->y); | |
1651 | } else { | |
1652 | DRM_ERROR("crtc does not support cursor\n"); | |
1653 | ret = -EFAULT; | |
1654 | goto out; | |
1655 | } | |
1656 | } | |
1657 | out: | |
1658 | mutex_unlock(&dev->mode_config.mutex); | |
1659 | return ret; | |
1660 | } | |
1661 | ||
1662 | /** | |
1663 | * drm_mode_addfb - add an FB to the graphics configuration | |
1664 | * @inode: inode from the ioctl | |
1665 | * @filp: file * from the ioctl | |
1666 | * @cmd: cmd from ioctl | |
1667 | * @arg: arg from ioctl | |
1668 | * | |
1669 | * LOCKING: | |
1670 | * Takes mode config lock. | |
1671 | * | |
1672 | * Add a new FB to the specified CRTC, given a user request. | |
1673 | * | |
1674 | * Called by the user via ioctl. | |
1675 | * | |
1676 | * RETURNS: | |
1677 | * Zero on success, errno on failure. | |
1678 | */ | |
1679 | int drm_mode_addfb(struct drm_device *dev, | |
1680 | void *data, struct drm_file *file_priv) | |
1681 | { | |
1682 | struct drm_mode_fb_cmd *r = data; | |
1683 | struct drm_mode_config *config = &dev->mode_config; | |
1684 | struct drm_framebuffer *fb; | |
1685 | int ret = 0; | |
1686 | ||
fb3b06c8 DA |
1687 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
1688 | return -EINVAL; | |
1689 | ||
f453ba04 DA |
1690 | if ((config->min_width > r->width) || (r->width > config->max_width)) { |
1691 | DRM_ERROR("mode new framebuffer width not within limits\n"); | |
1692 | return -EINVAL; | |
1693 | } | |
1694 | if ((config->min_height > r->height) || (r->height > config->max_height)) { | |
1695 | DRM_ERROR("mode new framebuffer height not within limits\n"); | |
1696 | return -EINVAL; | |
1697 | } | |
1698 | ||
1699 | mutex_lock(&dev->mode_config.mutex); | |
1700 | ||
25985edc | 1701 | /* TODO check buffer is sufficiently large */ |
f453ba04 DA |
1702 | /* TODO setup destructor callback */ |
1703 | ||
1704 | fb = dev->mode_config.funcs->fb_create(dev, file_priv, r); | |
cce13ff7 | 1705 | if (IS_ERR(fb)) { |
f453ba04 | 1706 | DRM_ERROR("could not create framebuffer\n"); |
cce13ff7 | 1707 | ret = PTR_ERR(fb); |
f453ba04 DA |
1708 | goto out; |
1709 | } | |
1710 | ||
e0c8463a | 1711 | r->fb_id = fb->base.id; |
f453ba04 | 1712 | list_add(&fb->filp_head, &file_priv->fbs); |
9440106b | 1713 | DRM_DEBUG_KMS("[FB:%d]\n", fb->base.id); |
f453ba04 DA |
1714 | |
1715 | out: | |
1716 | mutex_unlock(&dev->mode_config.mutex); | |
1717 | return ret; | |
1718 | } | |
1719 | ||
1720 | /** | |
1721 | * drm_mode_rmfb - remove an FB from the configuration | |
1722 | * @inode: inode from the ioctl | |
1723 | * @filp: file * from the ioctl | |
1724 | * @cmd: cmd from ioctl | |
1725 | * @arg: arg from ioctl | |
1726 | * | |
1727 | * LOCKING: | |
1728 | * Takes mode config lock. | |
1729 | * | |
1730 | * Remove the FB specified by the user. | |
1731 | * | |
1732 | * Called by the user via ioctl. | |
1733 | * | |
1734 | * RETURNS: | |
1735 | * Zero on success, errno on failure. | |
1736 | */ | |
1737 | int drm_mode_rmfb(struct drm_device *dev, | |
1738 | void *data, struct drm_file *file_priv) | |
1739 | { | |
1740 | struct drm_mode_object *obj; | |
1741 | struct drm_framebuffer *fb = NULL; | |
1742 | struct drm_framebuffer *fbl = NULL; | |
1743 | uint32_t *id = data; | |
1744 | int ret = 0; | |
1745 | int found = 0; | |
1746 | ||
fb3b06c8 DA |
1747 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
1748 | return -EINVAL; | |
1749 | ||
f453ba04 DA |
1750 | mutex_lock(&dev->mode_config.mutex); |
1751 | obj = drm_mode_object_find(dev, *id, DRM_MODE_OBJECT_FB); | |
25985edc | 1752 | /* TODO check that we really get a framebuffer back. */ |
f453ba04 DA |
1753 | if (!obj) { |
1754 | DRM_ERROR("mode invalid framebuffer id\n"); | |
1755 | ret = -EINVAL; | |
1756 | goto out; | |
1757 | } | |
1758 | fb = obj_to_fb(obj); | |
1759 | ||
1760 | list_for_each_entry(fbl, &file_priv->fbs, filp_head) | |
1761 | if (fb == fbl) | |
1762 | found = 1; | |
1763 | ||
1764 | if (!found) { | |
1765 | DRM_ERROR("tried to remove a fb that we didn't own\n"); | |
1766 | ret = -EINVAL; | |
1767 | goto out; | |
1768 | } | |
1769 | ||
1770 | /* TODO release all crtc connected to the framebuffer */ | |
1771 | /* TODO unhock the destructor from the buffer object */ | |
1772 | ||
1773 | list_del(&fb->filp_head); | |
1774 | fb->funcs->destroy(fb); | |
1775 | ||
1776 | out: | |
1777 | mutex_unlock(&dev->mode_config.mutex); | |
1778 | return ret; | |
1779 | } | |
1780 | ||
1781 | /** | |
1782 | * drm_mode_getfb - get FB info | |
1783 | * @inode: inode from the ioctl | |
1784 | * @filp: file * from the ioctl | |
1785 | * @cmd: cmd from ioctl | |
1786 | * @arg: arg from ioctl | |
1787 | * | |
1788 | * LOCKING: | |
1789 | * Caller? (FIXME) | |
1790 | * | |
1791 | * Lookup the FB given its ID and return info about it. | |
1792 | * | |
1793 | * Called by the user via ioctl. | |
1794 | * | |
1795 | * RETURNS: | |
1796 | * Zero on success, errno on failure. | |
1797 | */ | |
1798 | int drm_mode_getfb(struct drm_device *dev, | |
1799 | void *data, struct drm_file *file_priv) | |
1800 | { | |
1801 | struct drm_mode_fb_cmd *r = data; | |
1802 | struct drm_mode_object *obj; | |
1803 | struct drm_framebuffer *fb; | |
1804 | int ret = 0; | |
1805 | ||
fb3b06c8 DA |
1806 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
1807 | return -EINVAL; | |
1808 | ||
f453ba04 | 1809 | mutex_lock(&dev->mode_config.mutex); |
e0c8463a | 1810 | obj = drm_mode_object_find(dev, r->fb_id, DRM_MODE_OBJECT_FB); |
f453ba04 DA |
1811 | if (!obj) { |
1812 | DRM_ERROR("invalid framebuffer id\n"); | |
1813 | ret = -EINVAL; | |
1814 | goto out; | |
1815 | } | |
1816 | fb = obj_to_fb(obj); | |
1817 | ||
1818 | r->height = fb->height; | |
1819 | r->width = fb->width; | |
1820 | r->depth = fb->depth; | |
1821 | r->bpp = fb->bits_per_pixel; | |
1822 | r->pitch = fb->pitch; | |
1823 | fb->funcs->create_handle(fb, file_priv, &r->handle); | |
1824 | ||
1825 | out: | |
1826 | mutex_unlock(&dev->mode_config.mutex); | |
1827 | return ret; | |
1828 | } | |
1829 | ||
884840aa JB |
1830 | int drm_mode_dirtyfb_ioctl(struct drm_device *dev, |
1831 | void *data, struct drm_file *file_priv) | |
1832 | { | |
1833 | struct drm_clip_rect __user *clips_ptr; | |
1834 | struct drm_clip_rect *clips = NULL; | |
1835 | struct drm_mode_fb_dirty_cmd *r = data; | |
1836 | struct drm_mode_object *obj; | |
1837 | struct drm_framebuffer *fb; | |
1838 | unsigned flags; | |
1839 | int num_clips; | |
1840 | int ret = 0; | |
1841 | ||
fb3b06c8 DA |
1842 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
1843 | return -EINVAL; | |
1844 | ||
884840aa JB |
1845 | mutex_lock(&dev->mode_config.mutex); |
1846 | obj = drm_mode_object_find(dev, r->fb_id, DRM_MODE_OBJECT_FB); | |
1847 | if (!obj) { | |
1848 | DRM_ERROR("invalid framebuffer id\n"); | |
1849 | ret = -EINVAL; | |
1850 | goto out_err1; | |
1851 | } | |
1852 | fb = obj_to_fb(obj); | |
1853 | ||
1854 | num_clips = r->num_clips; | |
1855 | clips_ptr = (struct drm_clip_rect *)(unsigned long)r->clips_ptr; | |
1856 | ||
1857 | if (!num_clips != !clips_ptr) { | |
1858 | ret = -EINVAL; | |
1859 | goto out_err1; | |
1860 | } | |
1861 | ||
1862 | flags = DRM_MODE_FB_DIRTY_FLAGS & r->flags; | |
1863 | ||
1864 | /* If userspace annotates copy, clips must come in pairs */ | |
1865 | if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY && (num_clips % 2)) { | |
1866 | ret = -EINVAL; | |
1867 | goto out_err1; | |
1868 | } | |
1869 | ||
1870 | if (num_clips && clips_ptr) { | |
1871 | clips = kzalloc(num_clips * sizeof(*clips), GFP_KERNEL); | |
1872 | if (!clips) { | |
1873 | ret = -ENOMEM; | |
1874 | goto out_err1; | |
1875 | } | |
1876 | ||
1877 | ret = copy_from_user(clips, clips_ptr, | |
1878 | num_clips * sizeof(*clips)); | |
e902a358 DC |
1879 | if (ret) { |
1880 | ret = -EFAULT; | |
884840aa | 1881 | goto out_err2; |
e902a358 | 1882 | } |
884840aa JB |
1883 | } |
1884 | ||
1885 | if (fb->funcs->dirty) { | |
02b00162 TH |
1886 | ret = fb->funcs->dirty(fb, file_priv, flags, r->color, |
1887 | clips, num_clips); | |
884840aa JB |
1888 | } else { |
1889 | ret = -ENOSYS; | |
1890 | goto out_err2; | |
1891 | } | |
1892 | ||
1893 | out_err2: | |
1894 | kfree(clips); | |
1895 | out_err1: | |
1896 | mutex_unlock(&dev->mode_config.mutex); | |
1897 | return ret; | |
1898 | } | |
1899 | ||
1900 | ||
f453ba04 DA |
1901 | /** |
1902 | * drm_fb_release - remove and free the FBs on this file | |
1903 | * @filp: file * from the ioctl | |
1904 | * | |
1905 | * LOCKING: | |
1906 | * Takes mode config lock. | |
1907 | * | |
1908 | * Destroy all the FBs associated with @filp. | |
1909 | * | |
1910 | * Called by the user via ioctl. | |
1911 | * | |
1912 | * RETURNS: | |
1913 | * Zero on success, errno on failure. | |
1914 | */ | |
ea39f835 | 1915 | void drm_fb_release(struct drm_file *priv) |
f453ba04 | 1916 | { |
f453ba04 DA |
1917 | struct drm_device *dev = priv->minor->dev; |
1918 | struct drm_framebuffer *fb, *tfb; | |
1919 | ||
1920 | mutex_lock(&dev->mode_config.mutex); | |
1921 | list_for_each_entry_safe(fb, tfb, &priv->fbs, filp_head) { | |
1922 | list_del(&fb->filp_head); | |
1923 | fb->funcs->destroy(fb); | |
1924 | } | |
1925 | mutex_unlock(&dev->mode_config.mutex); | |
1926 | } | |
1927 | ||
1928 | /** | |
1929 | * drm_mode_attachmode - add a mode to the user mode list | |
1930 | * @dev: DRM device | |
1931 | * @connector: connector to add the mode to | |
1932 | * @mode: mode to add | |
1933 | * | |
1934 | * Add @mode to @connector's user mode list. | |
1935 | */ | |
1936 | static int drm_mode_attachmode(struct drm_device *dev, | |
1937 | struct drm_connector *connector, | |
1938 | struct drm_display_mode *mode) | |
1939 | { | |
1940 | int ret = 0; | |
1941 | ||
1942 | list_add_tail(&mode->head, &connector->user_modes); | |
1943 | return ret; | |
1944 | } | |
1945 | ||
1946 | int drm_mode_attachmode_crtc(struct drm_device *dev, struct drm_crtc *crtc, | |
1947 | struct drm_display_mode *mode) | |
1948 | { | |
1949 | struct drm_connector *connector; | |
1950 | int ret = 0; | |
1951 | struct drm_display_mode *dup_mode; | |
1952 | int need_dup = 0; | |
1953 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { | |
1954 | if (!connector->encoder) | |
1955 | break; | |
1956 | if (connector->encoder->crtc == crtc) { | |
1957 | if (need_dup) | |
1958 | dup_mode = drm_mode_duplicate(dev, mode); | |
1959 | else | |
1960 | dup_mode = mode; | |
1961 | ret = drm_mode_attachmode(dev, connector, dup_mode); | |
1962 | if (ret) | |
1963 | return ret; | |
1964 | need_dup = 1; | |
1965 | } | |
1966 | } | |
1967 | return 0; | |
1968 | } | |
1969 | EXPORT_SYMBOL(drm_mode_attachmode_crtc); | |
1970 | ||
1971 | static int drm_mode_detachmode(struct drm_device *dev, | |
1972 | struct drm_connector *connector, | |
1973 | struct drm_display_mode *mode) | |
1974 | { | |
1975 | int found = 0; | |
1976 | int ret = 0; | |
1977 | struct drm_display_mode *match_mode, *t; | |
1978 | ||
1979 | list_for_each_entry_safe(match_mode, t, &connector->user_modes, head) { | |
1980 | if (drm_mode_equal(match_mode, mode)) { | |
1981 | list_del(&match_mode->head); | |
1982 | drm_mode_destroy(dev, match_mode); | |
1983 | found = 1; | |
1984 | break; | |
1985 | } | |
1986 | } | |
1987 | ||
1988 | if (!found) | |
1989 | ret = -EINVAL; | |
1990 | ||
1991 | return ret; | |
1992 | } | |
1993 | ||
1994 | int drm_mode_detachmode_crtc(struct drm_device *dev, struct drm_display_mode *mode) | |
1995 | { | |
1996 | struct drm_connector *connector; | |
1997 | ||
1998 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { | |
1999 | drm_mode_detachmode(dev, connector, mode); | |
2000 | } | |
2001 | return 0; | |
2002 | } | |
2003 | EXPORT_SYMBOL(drm_mode_detachmode_crtc); | |
2004 | ||
2005 | /** | |
2006 | * drm_fb_attachmode - Attach a user mode to an connector | |
2007 | * @inode: inode from the ioctl | |
2008 | * @filp: file * from the ioctl | |
2009 | * @cmd: cmd from ioctl | |
2010 | * @arg: arg from ioctl | |
2011 | * | |
2012 | * This attaches a user specified mode to an connector. | |
2013 | * Called by the user via ioctl. | |
2014 | * | |
2015 | * RETURNS: | |
2016 | * Zero on success, errno on failure. | |
2017 | */ | |
2018 | int drm_mode_attachmode_ioctl(struct drm_device *dev, | |
2019 | void *data, struct drm_file *file_priv) | |
2020 | { | |
2021 | struct drm_mode_mode_cmd *mode_cmd = data; | |
2022 | struct drm_connector *connector; | |
2023 | struct drm_display_mode *mode; | |
2024 | struct drm_mode_object *obj; | |
2025 | struct drm_mode_modeinfo *umode = &mode_cmd->mode; | |
2026 | int ret = 0; | |
2027 | ||
fb3b06c8 DA |
2028 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2029 | return -EINVAL; | |
2030 | ||
f453ba04 DA |
2031 | mutex_lock(&dev->mode_config.mutex); |
2032 | ||
2033 | obj = drm_mode_object_find(dev, mode_cmd->connector_id, DRM_MODE_OBJECT_CONNECTOR); | |
2034 | if (!obj) { | |
2035 | ret = -EINVAL; | |
2036 | goto out; | |
2037 | } | |
2038 | connector = obj_to_connector(obj); | |
2039 | ||
2040 | mode = drm_mode_create(dev); | |
2041 | if (!mode) { | |
2042 | ret = -ENOMEM; | |
2043 | goto out; | |
2044 | } | |
2045 | ||
2046 | drm_crtc_convert_umode(mode, umode); | |
2047 | ||
2048 | ret = drm_mode_attachmode(dev, connector, mode); | |
2049 | out: | |
2050 | mutex_unlock(&dev->mode_config.mutex); | |
2051 | return ret; | |
2052 | } | |
2053 | ||
2054 | ||
2055 | /** | |
2056 | * drm_fb_detachmode - Detach a user specified mode from an connector | |
2057 | * @inode: inode from the ioctl | |
2058 | * @filp: file * from the ioctl | |
2059 | * @cmd: cmd from ioctl | |
2060 | * @arg: arg from ioctl | |
2061 | * | |
2062 | * Called by the user via ioctl. | |
2063 | * | |
2064 | * RETURNS: | |
2065 | * Zero on success, errno on failure. | |
2066 | */ | |
2067 | int drm_mode_detachmode_ioctl(struct drm_device *dev, | |
2068 | void *data, struct drm_file *file_priv) | |
2069 | { | |
2070 | struct drm_mode_object *obj; | |
2071 | struct drm_mode_mode_cmd *mode_cmd = data; | |
2072 | struct drm_connector *connector; | |
2073 | struct drm_display_mode mode; | |
2074 | struct drm_mode_modeinfo *umode = &mode_cmd->mode; | |
2075 | int ret = 0; | |
2076 | ||
fb3b06c8 DA |
2077 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2078 | return -EINVAL; | |
2079 | ||
f453ba04 DA |
2080 | mutex_lock(&dev->mode_config.mutex); |
2081 | ||
2082 | obj = drm_mode_object_find(dev, mode_cmd->connector_id, DRM_MODE_OBJECT_CONNECTOR); | |
2083 | if (!obj) { | |
2084 | ret = -EINVAL; | |
2085 | goto out; | |
2086 | } | |
2087 | connector = obj_to_connector(obj); | |
2088 | ||
2089 | drm_crtc_convert_umode(&mode, umode); | |
2090 | ret = drm_mode_detachmode(dev, connector, &mode); | |
2091 | out: | |
2092 | mutex_unlock(&dev->mode_config.mutex); | |
2093 | return ret; | |
2094 | } | |
2095 | ||
2096 | struct drm_property *drm_property_create(struct drm_device *dev, int flags, | |
2097 | const char *name, int num_values) | |
2098 | { | |
2099 | struct drm_property *property = NULL; | |
2100 | ||
2101 | property = kzalloc(sizeof(struct drm_property), GFP_KERNEL); | |
2102 | if (!property) | |
2103 | return NULL; | |
2104 | ||
2105 | if (num_values) { | |
2106 | property->values = kzalloc(sizeof(uint64_t)*num_values, GFP_KERNEL); | |
2107 | if (!property->values) | |
2108 | goto fail; | |
2109 | } | |
2110 | ||
2111 | drm_mode_object_get(dev, &property->base, DRM_MODE_OBJECT_PROPERTY); | |
2112 | property->flags = flags; | |
2113 | property->num_values = num_values; | |
2114 | INIT_LIST_HEAD(&property->enum_blob_list); | |
2115 | ||
2116 | if (name) | |
2117 | strncpy(property->name, name, DRM_PROP_NAME_LEN); | |
2118 | ||
2119 | list_add_tail(&property->head, &dev->mode_config.property_list); | |
2120 | return property; | |
2121 | fail: | |
2122 | kfree(property); | |
2123 | return NULL; | |
2124 | } | |
2125 | EXPORT_SYMBOL(drm_property_create); | |
2126 | ||
2127 | int drm_property_add_enum(struct drm_property *property, int index, | |
2128 | uint64_t value, const char *name) | |
2129 | { | |
2130 | struct drm_property_enum *prop_enum; | |
2131 | ||
2132 | if (!(property->flags & DRM_MODE_PROP_ENUM)) | |
2133 | return -EINVAL; | |
2134 | ||
2135 | if (!list_empty(&property->enum_blob_list)) { | |
2136 | list_for_each_entry(prop_enum, &property->enum_blob_list, head) { | |
2137 | if (prop_enum->value == value) { | |
2138 | strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN); | |
2139 | prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0'; | |
2140 | return 0; | |
2141 | } | |
2142 | } | |
2143 | } | |
2144 | ||
2145 | prop_enum = kzalloc(sizeof(struct drm_property_enum), GFP_KERNEL); | |
2146 | if (!prop_enum) | |
2147 | return -ENOMEM; | |
2148 | ||
2149 | strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN); | |
2150 | prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0'; | |
2151 | prop_enum->value = value; | |
2152 | ||
2153 | property->values[index] = value; | |
2154 | list_add_tail(&prop_enum->head, &property->enum_blob_list); | |
2155 | return 0; | |
2156 | } | |
2157 | EXPORT_SYMBOL(drm_property_add_enum); | |
2158 | ||
2159 | void drm_property_destroy(struct drm_device *dev, struct drm_property *property) | |
2160 | { | |
2161 | struct drm_property_enum *prop_enum, *pt; | |
2162 | ||
2163 | list_for_each_entry_safe(prop_enum, pt, &property->enum_blob_list, head) { | |
2164 | list_del(&prop_enum->head); | |
2165 | kfree(prop_enum); | |
2166 | } | |
2167 | ||
2168 | if (property->num_values) | |
2169 | kfree(property->values); | |
2170 | drm_mode_object_put(dev, &property->base); | |
2171 | list_del(&property->head); | |
2172 | kfree(property); | |
2173 | } | |
2174 | EXPORT_SYMBOL(drm_property_destroy); | |
2175 | ||
2176 | int drm_connector_attach_property(struct drm_connector *connector, | |
2177 | struct drm_property *property, uint64_t init_val) | |
2178 | { | |
2179 | int i; | |
2180 | ||
2181 | for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) { | |
2182 | if (connector->property_ids[i] == 0) { | |
2183 | connector->property_ids[i] = property->base.id; | |
2184 | connector->property_values[i] = init_val; | |
2185 | break; | |
2186 | } | |
2187 | } | |
2188 | ||
2189 | if (i == DRM_CONNECTOR_MAX_PROPERTY) | |
2190 | return -EINVAL; | |
2191 | return 0; | |
2192 | } | |
2193 | EXPORT_SYMBOL(drm_connector_attach_property); | |
2194 | ||
2195 | int drm_connector_property_set_value(struct drm_connector *connector, | |
2196 | struct drm_property *property, uint64_t value) | |
2197 | { | |
2198 | int i; | |
2199 | ||
2200 | for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) { | |
2201 | if (connector->property_ids[i] == property->base.id) { | |
2202 | connector->property_values[i] = value; | |
2203 | break; | |
2204 | } | |
2205 | } | |
2206 | ||
2207 | if (i == DRM_CONNECTOR_MAX_PROPERTY) | |
2208 | return -EINVAL; | |
2209 | return 0; | |
2210 | } | |
2211 | EXPORT_SYMBOL(drm_connector_property_set_value); | |
2212 | ||
2213 | int drm_connector_property_get_value(struct drm_connector *connector, | |
2214 | struct drm_property *property, uint64_t *val) | |
2215 | { | |
2216 | int i; | |
2217 | ||
2218 | for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) { | |
2219 | if (connector->property_ids[i] == property->base.id) { | |
2220 | *val = connector->property_values[i]; | |
2221 | break; | |
2222 | } | |
2223 | } | |
2224 | ||
2225 | if (i == DRM_CONNECTOR_MAX_PROPERTY) | |
2226 | return -EINVAL; | |
2227 | return 0; | |
2228 | } | |
2229 | EXPORT_SYMBOL(drm_connector_property_get_value); | |
2230 | ||
2231 | int drm_mode_getproperty_ioctl(struct drm_device *dev, | |
2232 | void *data, struct drm_file *file_priv) | |
2233 | { | |
2234 | struct drm_mode_object *obj; | |
2235 | struct drm_mode_get_property *out_resp = data; | |
2236 | struct drm_property *property; | |
2237 | int enum_count = 0; | |
2238 | int blob_count = 0; | |
2239 | int value_count = 0; | |
2240 | int ret = 0, i; | |
2241 | int copied; | |
2242 | struct drm_property_enum *prop_enum; | |
2243 | struct drm_mode_property_enum __user *enum_ptr; | |
2244 | struct drm_property_blob *prop_blob; | |
2245 | uint32_t *blob_id_ptr; | |
2246 | uint64_t __user *values_ptr; | |
2247 | uint32_t __user *blob_length_ptr; | |
2248 | ||
fb3b06c8 DA |
2249 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2250 | return -EINVAL; | |
2251 | ||
f453ba04 DA |
2252 | mutex_lock(&dev->mode_config.mutex); |
2253 | obj = drm_mode_object_find(dev, out_resp->prop_id, DRM_MODE_OBJECT_PROPERTY); | |
2254 | if (!obj) { | |
2255 | ret = -EINVAL; | |
2256 | goto done; | |
2257 | } | |
2258 | property = obj_to_property(obj); | |
2259 | ||
2260 | if (property->flags & DRM_MODE_PROP_ENUM) { | |
2261 | list_for_each_entry(prop_enum, &property->enum_blob_list, head) | |
2262 | enum_count++; | |
2263 | } else if (property->flags & DRM_MODE_PROP_BLOB) { | |
2264 | list_for_each_entry(prop_blob, &property->enum_blob_list, head) | |
2265 | blob_count++; | |
2266 | } | |
2267 | ||
2268 | value_count = property->num_values; | |
2269 | ||
2270 | strncpy(out_resp->name, property->name, DRM_PROP_NAME_LEN); | |
2271 | out_resp->name[DRM_PROP_NAME_LEN-1] = 0; | |
2272 | out_resp->flags = property->flags; | |
2273 | ||
2274 | if ((out_resp->count_values >= value_count) && value_count) { | |
2275 | values_ptr = (uint64_t *)(unsigned long)out_resp->values_ptr; | |
2276 | for (i = 0; i < value_count; i++) { | |
2277 | if (copy_to_user(values_ptr + i, &property->values[i], sizeof(uint64_t))) { | |
2278 | ret = -EFAULT; | |
2279 | goto done; | |
2280 | } | |
2281 | } | |
2282 | } | |
2283 | out_resp->count_values = value_count; | |
2284 | ||
2285 | if (property->flags & DRM_MODE_PROP_ENUM) { | |
2286 | if ((out_resp->count_enum_blobs >= enum_count) && enum_count) { | |
2287 | copied = 0; | |
2288 | enum_ptr = (struct drm_mode_property_enum *)(unsigned long)out_resp->enum_blob_ptr; | |
2289 | list_for_each_entry(prop_enum, &property->enum_blob_list, head) { | |
2290 | ||
2291 | if (copy_to_user(&enum_ptr[copied].value, &prop_enum->value, sizeof(uint64_t))) { | |
2292 | ret = -EFAULT; | |
2293 | goto done; | |
2294 | } | |
2295 | ||
2296 | if (copy_to_user(&enum_ptr[copied].name, | |
2297 | &prop_enum->name, DRM_PROP_NAME_LEN)) { | |
2298 | ret = -EFAULT; | |
2299 | goto done; | |
2300 | } | |
2301 | copied++; | |
2302 | } | |
2303 | } | |
2304 | out_resp->count_enum_blobs = enum_count; | |
2305 | } | |
2306 | ||
2307 | if (property->flags & DRM_MODE_PROP_BLOB) { | |
2308 | if ((out_resp->count_enum_blobs >= blob_count) && blob_count) { | |
2309 | copied = 0; | |
2310 | blob_id_ptr = (uint32_t *)(unsigned long)out_resp->enum_blob_ptr; | |
2311 | blob_length_ptr = (uint32_t *)(unsigned long)out_resp->values_ptr; | |
2312 | ||
2313 | list_for_each_entry(prop_blob, &property->enum_blob_list, head) { | |
2314 | if (put_user(prop_blob->base.id, blob_id_ptr + copied)) { | |
2315 | ret = -EFAULT; | |
2316 | goto done; | |
2317 | } | |
2318 | ||
2319 | if (put_user(prop_blob->length, blob_length_ptr + copied)) { | |
2320 | ret = -EFAULT; | |
2321 | goto done; | |
2322 | } | |
2323 | ||
2324 | copied++; | |
2325 | } | |
2326 | } | |
2327 | out_resp->count_enum_blobs = blob_count; | |
2328 | } | |
2329 | done: | |
2330 | mutex_unlock(&dev->mode_config.mutex); | |
2331 | return ret; | |
2332 | } | |
2333 | ||
2334 | static struct drm_property_blob *drm_property_create_blob(struct drm_device *dev, int length, | |
2335 | void *data) | |
2336 | { | |
2337 | struct drm_property_blob *blob; | |
2338 | ||
2339 | if (!length || !data) | |
2340 | return NULL; | |
2341 | ||
2342 | blob = kzalloc(sizeof(struct drm_property_blob)+length, GFP_KERNEL); | |
2343 | if (!blob) | |
2344 | return NULL; | |
2345 | ||
2346 | blob->data = (void *)((char *)blob + sizeof(struct drm_property_blob)); | |
2347 | blob->length = length; | |
2348 | ||
2349 | memcpy(blob->data, data, length); | |
2350 | ||
2351 | drm_mode_object_get(dev, &blob->base, DRM_MODE_OBJECT_BLOB); | |
2352 | ||
2353 | list_add_tail(&blob->head, &dev->mode_config.property_blob_list); | |
2354 | return blob; | |
2355 | } | |
2356 | ||
2357 | static void drm_property_destroy_blob(struct drm_device *dev, | |
2358 | struct drm_property_blob *blob) | |
2359 | { | |
2360 | drm_mode_object_put(dev, &blob->base); | |
2361 | list_del(&blob->head); | |
2362 | kfree(blob); | |
2363 | } | |
2364 | ||
2365 | int drm_mode_getblob_ioctl(struct drm_device *dev, | |
2366 | void *data, struct drm_file *file_priv) | |
2367 | { | |
2368 | struct drm_mode_object *obj; | |
2369 | struct drm_mode_get_blob *out_resp = data; | |
2370 | struct drm_property_blob *blob; | |
2371 | int ret = 0; | |
2372 | void *blob_ptr; | |
2373 | ||
fb3b06c8 DA |
2374 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2375 | return -EINVAL; | |
2376 | ||
f453ba04 DA |
2377 | mutex_lock(&dev->mode_config.mutex); |
2378 | obj = drm_mode_object_find(dev, out_resp->blob_id, DRM_MODE_OBJECT_BLOB); | |
2379 | if (!obj) { | |
2380 | ret = -EINVAL; | |
2381 | goto done; | |
2382 | } | |
2383 | blob = obj_to_blob(obj); | |
2384 | ||
2385 | if (out_resp->length == blob->length) { | |
2386 | blob_ptr = (void *)(unsigned long)out_resp->data; | |
2387 | if (copy_to_user(blob_ptr, blob->data, blob->length)){ | |
2388 | ret = -EFAULT; | |
2389 | goto done; | |
2390 | } | |
2391 | } | |
2392 | out_resp->length = blob->length; | |
2393 | ||
2394 | done: | |
2395 | mutex_unlock(&dev->mode_config.mutex); | |
2396 | return ret; | |
2397 | } | |
2398 | ||
2399 | int drm_mode_connector_update_edid_property(struct drm_connector *connector, | |
2400 | struct edid *edid) | |
2401 | { | |
2402 | struct drm_device *dev = connector->dev; | |
7466f4cc | 2403 | int ret = 0, size; |
f453ba04 DA |
2404 | |
2405 | if (connector->edid_blob_ptr) | |
2406 | drm_property_destroy_blob(dev, connector->edid_blob_ptr); | |
2407 | ||
2408 | /* Delete edid, when there is none. */ | |
2409 | if (!edid) { | |
2410 | connector->edid_blob_ptr = NULL; | |
2411 | ret = drm_connector_property_set_value(connector, dev->mode_config.edid_property, 0); | |
2412 | return ret; | |
2413 | } | |
2414 | ||
7466f4cc AJ |
2415 | size = EDID_LENGTH * (1 + edid->extensions); |
2416 | connector->edid_blob_ptr = drm_property_create_blob(connector->dev, | |
2417 | size, edid); | |
f453ba04 DA |
2418 | |
2419 | ret = drm_connector_property_set_value(connector, | |
2420 | dev->mode_config.edid_property, | |
2421 | connector->edid_blob_ptr->base.id); | |
2422 | ||
2423 | return ret; | |
2424 | } | |
2425 | EXPORT_SYMBOL(drm_mode_connector_update_edid_property); | |
2426 | ||
2427 | int drm_mode_connector_property_set_ioctl(struct drm_device *dev, | |
2428 | void *data, struct drm_file *file_priv) | |
2429 | { | |
2430 | struct drm_mode_connector_set_property *out_resp = data; | |
2431 | struct drm_mode_object *obj; | |
2432 | struct drm_property *property; | |
2433 | struct drm_connector *connector; | |
2434 | int ret = -EINVAL; | |
2435 | int i; | |
2436 | ||
fb3b06c8 DA |
2437 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2438 | return -EINVAL; | |
2439 | ||
f453ba04 DA |
2440 | mutex_lock(&dev->mode_config.mutex); |
2441 | ||
2442 | obj = drm_mode_object_find(dev, out_resp->connector_id, DRM_MODE_OBJECT_CONNECTOR); | |
2443 | if (!obj) { | |
2444 | goto out; | |
2445 | } | |
2446 | connector = obj_to_connector(obj); | |
2447 | ||
2448 | for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) { | |
2449 | if (connector->property_ids[i] == out_resp->prop_id) | |
2450 | break; | |
2451 | } | |
2452 | ||
2453 | if (i == DRM_CONNECTOR_MAX_PROPERTY) { | |
2454 | goto out; | |
2455 | } | |
2456 | ||
2457 | obj = drm_mode_object_find(dev, out_resp->prop_id, DRM_MODE_OBJECT_PROPERTY); | |
2458 | if (!obj) { | |
2459 | goto out; | |
2460 | } | |
2461 | property = obj_to_property(obj); | |
2462 | ||
2463 | if (property->flags & DRM_MODE_PROP_IMMUTABLE) | |
2464 | goto out; | |
2465 | ||
2466 | if (property->flags & DRM_MODE_PROP_RANGE) { | |
2467 | if (out_resp->value < property->values[0]) | |
2468 | goto out; | |
2469 | ||
2470 | if (out_resp->value > property->values[1]) | |
2471 | goto out; | |
2472 | } else { | |
2473 | int found = 0; | |
2474 | for (i = 0; i < property->num_values; i++) { | |
2475 | if (property->values[i] == out_resp->value) { | |
2476 | found = 1; | |
2477 | break; | |
2478 | } | |
2479 | } | |
2480 | if (!found) { | |
2481 | goto out; | |
2482 | } | |
2483 | } | |
2484 | ||
c9fb15f6 KP |
2485 | /* Do DPMS ourselves */ |
2486 | if (property == connector->dev->mode_config.dpms_property) { | |
2487 | if (connector->funcs->dpms) | |
2488 | (*connector->funcs->dpms)(connector, (int) out_resp->value); | |
2489 | ret = 0; | |
2490 | } else if (connector->funcs->set_property) | |
f453ba04 DA |
2491 | ret = connector->funcs->set_property(connector, property, out_resp->value); |
2492 | ||
af901ca1 | 2493 | /* store the property value if successful */ |
f453ba04 DA |
2494 | if (!ret) |
2495 | drm_connector_property_set_value(connector, property, out_resp->value); | |
2496 | out: | |
2497 | mutex_unlock(&dev->mode_config.mutex); | |
2498 | return ret; | |
2499 | } | |
2500 | ||
f453ba04 DA |
2501 | int drm_mode_connector_attach_encoder(struct drm_connector *connector, |
2502 | struct drm_encoder *encoder) | |
2503 | { | |
2504 | int i; | |
2505 | ||
2506 | for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { | |
2507 | if (connector->encoder_ids[i] == 0) { | |
2508 | connector->encoder_ids[i] = encoder->base.id; | |
2509 | return 0; | |
2510 | } | |
2511 | } | |
2512 | return -ENOMEM; | |
2513 | } | |
2514 | EXPORT_SYMBOL(drm_mode_connector_attach_encoder); | |
2515 | ||
2516 | void drm_mode_connector_detach_encoder(struct drm_connector *connector, | |
2517 | struct drm_encoder *encoder) | |
2518 | { | |
2519 | int i; | |
2520 | for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { | |
2521 | if (connector->encoder_ids[i] == encoder->base.id) { | |
2522 | connector->encoder_ids[i] = 0; | |
2523 | if (connector->encoder == encoder) | |
2524 | connector->encoder = NULL; | |
2525 | break; | |
2526 | } | |
2527 | } | |
2528 | } | |
2529 | EXPORT_SYMBOL(drm_mode_connector_detach_encoder); | |
2530 | ||
2531 | bool drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc, | |
2532 | int gamma_size) | |
2533 | { | |
2534 | crtc->gamma_size = gamma_size; | |
2535 | ||
2536 | crtc->gamma_store = kzalloc(gamma_size * sizeof(uint16_t) * 3, GFP_KERNEL); | |
2537 | if (!crtc->gamma_store) { | |
2538 | crtc->gamma_size = 0; | |
2539 | return false; | |
2540 | } | |
2541 | ||
2542 | return true; | |
2543 | } | |
2544 | EXPORT_SYMBOL(drm_mode_crtc_set_gamma_size); | |
2545 | ||
2546 | int drm_mode_gamma_set_ioctl(struct drm_device *dev, | |
2547 | void *data, struct drm_file *file_priv) | |
2548 | { | |
2549 | struct drm_mode_crtc_lut *crtc_lut = data; | |
2550 | struct drm_mode_object *obj; | |
2551 | struct drm_crtc *crtc; | |
2552 | void *r_base, *g_base, *b_base; | |
2553 | int size; | |
2554 | int ret = 0; | |
2555 | ||
fb3b06c8 DA |
2556 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2557 | return -EINVAL; | |
2558 | ||
f453ba04 DA |
2559 | mutex_lock(&dev->mode_config.mutex); |
2560 | obj = drm_mode_object_find(dev, crtc_lut->crtc_id, DRM_MODE_OBJECT_CRTC); | |
2561 | if (!obj) { | |
2562 | ret = -EINVAL; | |
2563 | goto out; | |
2564 | } | |
2565 | crtc = obj_to_crtc(obj); | |
2566 | ||
2567 | /* memcpy into gamma store */ | |
2568 | if (crtc_lut->gamma_size != crtc->gamma_size) { | |
2569 | ret = -EINVAL; | |
2570 | goto out; | |
2571 | } | |
2572 | ||
2573 | size = crtc_lut->gamma_size * (sizeof(uint16_t)); | |
2574 | r_base = crtc->gamma_store; | |
2575 | if (copy_from_user(r_base, (void __user *)(unsigned long)crtc_lut->red, size)) { | |
2576 | ret = -EFAULT; | |
2577 | goto out; | |
2578 | } | |
2579 | ||
2580 | g_base = r_base + size; | |
2581 | if (copy_from_user(g_base, (void __user *)(unsigned long)crtc_lut->green, size)) { | |
2582 | ret = -EFAULT; | |
2583 | goto out; | |
2584 | } | |
2585 | ||
2586 | b_base = g_base + size; | |
2587 | if (copy_from_user(b_base, (void __user *)(unsigned long)crtc_lut->blue, size)) { | |
2588 | ret = -EFAULT; | |
2589 | goto out; | |
2590 | } | |
2591 | ||
7203425a | 2592 | crtc->funcs->gamma_set(crtc, r_base, g_base, b_base, 0, crtc->gamma_size); |
f453ba04 DA |
2593 | |
2594 | out: | |
2595 | mutex_unlock(&dev->mode_config.mutex); | |
2596 | return ret; | |
2597 | ||
2598 | } | |
2599 | ||
2600 | int drm_mode_gamma_get_ioctl(struct drm_device *dev, | |
2601 | void *data, struct drm_file *file_priv) | |
2602 | { | |
2603 | struct drm_mode_crtc_lut *crtc_lut = data; | |
2604 | struct drm_mode_object *obj; | |
2605 | struct drm_crtc *crtc; | |
2606 | void *r_base, *g_base, *b_base; | |
2607 | int size; | |
2608 | int ret = 0; | |
2609 | ||
fb3b06c8 DA |
2610 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2611 | return -EINVAL; | |
2612 | ||
f453ba04 DA |
2613 | mutex_lock(&dev->mode_config.mutex); |
2614 | obj = drm_mode_object_find(dev, crtc_lut->crtc_id, DRM_MODE_OBJECT_CRTC); | |
2615 | if (!obj) { | |
2616 | ret = -EINVAL; | |
2617 | goto out; | |
2618 | } | |
2619 | crtc = obj_to_crtc(obj); | |
2620 | ||
2621 | /* memcpy into gamma store */ | |
2622 | if (crtc_lut->gamma_size != crtc->gamma_size) { | |
2623 | ret = -EINVAL; | |
2624 | goto out; | |
2625 | } | |
2626 | ||
2627 | size = crtc_lut->gamma_size * (sizeof(uint16_t)); | |
2628 | r_base = crtc->gamma_store; | |
2629 | if (copy_to_user((void __user *)(unsigned long)crtc_lut->red, r_base, size)) { | |
2630 | ret = -EFAULT; | |
2631 | goto out; | |
2632 | } | |
2633 | ||
2634 | g_base = r_base + size; | |
2635 | if (copy_to_user((void __user *)(unsigned long)crtc_lut->green, g_base, size)) { | |
2636 | ret = -EFAULT; | |
2637 | goto out; | |
2638 | } | |
2639 | ||
2640 | b_base = g_base + size; | |
2641 | if (copy_to_user((void __user *)(unsigned long)crtc_lut->blue, b_base, size)) { | |
2642 | ret = -EFAULT; | |
2643 | goto out; | |
2644 | } | |
2645 | out: | |
2646 | mutex_unlock(&dev->mode_config.mutex); | |
2647 | return ret; | |
2648 | } | |
d91d8a3f KH |
2649 | |
2650 | int drm_mode_page_flip_ioctl(struct drm_device *dev, | |
2651 | void *data, struct drm_file *file_priv) | |
2652 | { | |
2653 | struct drm_mode_crtc_page_flip *page_flip = data; | |
2654 | struct drm_mode_object *obj; | |
2655 | struct drm_crtc *crtc; | |
2656 | struct drm_framebuffer *fb; | |
2657 | struct drm_pending_vblank_event *e = NULL; | |
2658 | unsigned long flags; | |
2659 | int ret = -EINVAL; | |
2660 | ||
2661 | if (page_flip->flags & ~DRM_MODE_PAGE_FLIP_FLAGS || | |
2662 | page_flip->reserved != 0) | |
2663 | return -EINVAL; | |
2664 | ||
2665 | mutex_lock(&dev->mode_config.mutex); | |
2666 | obj = drm_mode_object_find(dev, page_flip->crtc_id, DRM_MODE_OBJECT_CRTC); | |
2667 | if (!obj) | |
2668 | goto out; | |
2669 | crtc = obj_to_crtc(obj); | |
2670 | ||
90c1efdd CW |
2671 | if (crtc->fb == NULL) { |
2672 | /* The framebuffer is currently unbound, presumably | |
2673 | * due to a hotplug event, that userspace has not | |
2674 | * yet discovered. | |
2675 | */ | |
2676 | ret = -EBUSY; | |
2677 | goto out; | |
2678 | } | |
2679 | ||
d91d8a3f KH |
2680 | if (crtc->funcs->page_flip == NULL) |
2681 | goto out; | |
2682 | ||
2683 | obj = drm_mode_object_find(dev, page_flip->fb_id, DRM_MODE_OBJECT_FB); | |
2684 | if (!obj) | |
2685 | goto out; | |
2686 | fb = obj_to_fb(obj); | |
2687 | ||
2688 | if (page_flip->flags & DRM_MODE_PAGE_FLIP_EVENT) { | |
2689 | ret = -ENOMEM; | |
2690 | spin_lock_irqsave(&dev->event_lock, flags); | |
2691 | if (file_priv->event_space < sizeof e->event) { | |
2692 | spin_unlock_irqrestore(&dev->event_lock, flags); | |
2693 | goto out; | |
2694 | } | |
2695 | file_priv->event_space -= sizeof e->event; | |
2696 | spin_unlock_irqrestore(&dev->event_lock, flags); | |
2697 | ||
2698 | e = kzalloc(sizeof *e, GFP_KERNEL); | |
2699 | if (e == NULL) { | |
2700 | spin_lock_irqsave(&dev->event_lock, flags); | |
2701 | file_priv->event_space += sizeof e->event; | |
2702 | spin_unlock_irqrestore(&dev->event_lock, flags); | |
2703 | goto out; | |
2704 | } | |
2705 | ||
7bd4d7be | 2706 | e->event.base.type = DRM_EVENT_FLIP_COMPLETE; |
d91d8a3f KH |
2707 | e->event.base.length = sizeof e->event; |
2708 | e->event.user_data = page_flip->user_data; | |
2709 | e->base.event = &e->event.base; | |
2710 | e->base.file_priv = file_priv; | |
2711 | e->base.destroy = | |
2712 | (void (*) (struct drm_pending_event *)) kfree; | |
2713 | } | |
2714 | ||
2715 | ret = crtc->funcs->page_flip(crtc, fb, e); | |
2716 | if (ret) { | |
2717 | spin_lock_irqsave(&dev->event_lock, flags); | |
2718 | file_priv->event_space += sizeof e->event; | |
2719 | spin_unlock_irqrestore(&dev->event_lock, flags); | |
2720 | kfree(e); | |
2721 | } | |
2722 | ||
2723 | out: | |
2724 | mutex_unlock(&dev->mode_config.mutex); | |
2725 | return ret; | |
2726 | } | |
eb033556 CW |
2727 | |
2728 | void drm_mode_config_reset(struct drm_device *dev) | |
2729 | { | |
2730 | struct drm_crtc *crtc; | |
2731 | struct drm_encoder *encoder; | |
2732 | struct drm_connector *connector; | |
2733 | ||
2734 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) | |
2735 | if (crtc->funcs->reset) | |
2736 | crtc->funcs->reset(crtc); | |
2737 | ||
2738 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) | |
2739 | if (encoder->funcs->reset) | |
2740 | encoder->funcs->reset(encoder); | |
2741 | ||
2742 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) | |
2743 | if (connector->funcs->reset) | |
2744 | connector->funcs->reset(connector); | |
2745 | } | |
2746 | EXPORT_SYMBOL(drm_mode_config_reset); | |
ff72145b DA |
2747 | |
2748 | int drm_mode_create_dumb_ioctl(struct drm_device *dev, | |
2749 | void *data, struct drm_file *file_priv) | |
2750 | { | |
2751 | struct drm_mode_create_dumb *args = data; | |
2752 | ||
2753 | if (!dev->driver->dumb_create) | |
2754 | return -ENOSYS; | |
2755 | return dev->driver->dumb_create(file_priv, dev, args); | |
2756 | } | |
2757 | ||
2758 | int drm_mode_mmap_dumb_ioctl(struct drm_device *dev, | |
2759 | void *data, struct drm_file *file_priv) | |
2760 | { | |
2761 | struct drm_mode_map_dumb *args = data; | |
2762 | ||
2763 | /* call driver ioctl to get mmap offset */ | |
2764 | if (!dev->driver->dumb_map_offset) | |
2765 | return -ENOSYS; | |
2766 | ||
2767 | return dev->driver->dumb_map_offset(file_priv, dev, args->handle, &args->offset); | |
2768 | } | |
2769 | ||
2770 | int drm_mode_destroy_dumb_ioctl(struct drm_device *dev, | |
2771 | void *data, struct drm_file *file_priv) | |
2772 | { | |
2773 | struct drm_mode_destroy_dumb *args = data; | |
2774 | ||
2775 | if (!dev->driver->dumb_destroy) | |
2776 | return -ENOSYS; | |
2777 | ||
2778 | return dev->driver->dumb_destroy(file_priv, dev, args->handle); | |
2779 | } |