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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> |
2d1a8a48 | 34 | #include <linux/export.h> |
f453ba04 DA |
35 | #include "drm.h" |
36 | #include "drmP.h" | |
37 | #include "drm_crtc.h" | |
7466f4cc | 38 | #include "drm_edid.h" |
308e5bcb | 39 | #include "drm_fourcc.h" |
f453ba04 DA |
40 | |
41 | struct drm_prop_enum_list { | |
42 | int type; | |
43 | char *name; | |
44 | }; | |
45 | ||
46 | /* Avoid boilerplate. I'm tired of typing. */ | |
47 | #define DRM_ENUM_NAME_FN(fnname, list) \ | |
48 | char *fnname(int val) \ | |
49 | { \ | |
50 | int i; \ | |
51 | for (i = 0; i < ARRAY_SIZE(list); i++) { \ | |
52 | if (list[i].type == val) \ | |
53 | return list[i].name; \ | |
54 | } \ | |
55 | return "(unknown)"; \ | |
56 | } | |
57 | ||
58 | /* | |
59 | * Global properties | |
60 | */ | |
61 | static struct drm_prop_enum_list drm_dpms_enum_list[] = | |
62 | { { DRM_MODE_DPMS_ON, "On" }, | |
63 | { DRM_MODE_DPMS_STANDBY, "Standby" }, | |
64 | { DRM_MODE_DPMS_SUSPEND, "Suspend" }, | |
65 | { DRM_MODE_DPMS_OFF, "Off" } | |
66 | }; | |
67 | ||
68 | DRM_ENUM_NAME_FN(drm_get_dpms_name, drm_dpms_enum_list) | |
69 | ||
70 | /* | |
71 | * Optional properties | |
72 | */ | |
73 | static struct drm_prop_enum_list drm_scaling_mode_enum_list[] = | |
74 | { | |
53bd8389 JB |
75 | { DRM_MODE_SCALE_NONE, "None" }, |
76 | { DRM_MODE_SCALE_FULLSCREEN, "Full" }, | |
77 | { DRM_MODE_SCALE_CENTER, "Center" }, | |
78 | { DRM_MODE_SCALE_ASPECT, "Full aspect" }, | |
f453ba04 DA |
79 | }; |
80 | ||
81 | static struct drm_prop_enum_list drm_dithering_mode_enum_list[] = | |
82 | { | |
83 | { DRM_MODE_DITHERING_OFF, "Off" }, | |
84 | { DRM_MODE_DITHERING_ON, "On" }, | |
92897b5c | 85 | { DRM_MODE_DITHERING_AUTO, "Automatic" }, |
f453ba04 DA |
86 | }; |
87 | ||
88 | /* | |
89 | * Non-global properties, but "required" for certain connectors. | |
90 | */ | |
91 | static struct drm_prop_enum_list drm_dvi_i_select_enum_list[] = | |
92 | { | |
93 | { DRM_MODE_SUBCONNECTOR_Automatic, "Automatic" }, /* DVI-I and TV-out */ | |
94 | { DRM_MODE_SUBCONNECTOR_DVID, "DVI-D" }, /* DVI-I */ | |
95 | { DRM_MODE_SUBCONNECTOR_DVIA, "DVI-A" }, /* DVI-I */ | |
96 | }; | |
97 | ||
98 | DRM_ENUM_NAME_FN(drm_get_dvi_i_select_name, drm_dvi_i_select_enum_list) | |
99 | ||
100 | static struct drm_prop_enum_list drm_dvi_i_subconnector_enum_list[] = | |
101 | { | |
102 | { DRM_MODE_SUBCONNECTOR_Unknown, "Unknown" }, /* DVI-I and TV-out */ | |
103 | { DRM_MODE_SUBCONNECTOR_DVID, "DVI-D" }, /* DVI-I */ | |
104 | { DRM_MODE_SUBCONNECTOR_DVIA, "DVI-A" }, /* DVI-I */ | |
105 | }; | |
106 | ||
107 | DRM_ENUM_NAME_FN(drm_get_dvi_i_subconnector_name, | |
108 | drm_dvi_i_subconnector_enum_list) | |
109 | ||
110 | static struct drm_prop_enum_list drm_tv_select_enum_list[] = | |
111 | { | |
112 | { DRM_MODE_SUBCONNECTOR_Automatic, "Automatic" }, /* DVI-I and TV-out */ | |
113 | { DRM_MODE_SUBCONNECTOR_Composite, "Composite" }, /* TV-out */ | |
114 | { DRM_MODE_SUBCONNECTOR_SVIDEO, "SVIDEO" }, /* TV-out */ | |
115 | { DRM_MODE_SUBCONNECTOR_Component, "Component" }, /* TV-out */ | |
aeaa1ad3 | 116 | { DRM_MODE_SUBCONNECTOR_SCART, "SCART" }, /* TV-out */ |
f453ba04 DA |
117 | }; |
118 | ||
119 | DRM_ENUM_NAME_FN(drm_get_tv_select_name, drm_tv_select_enum_list) | |
120 | ||
121 | static struct drm_prop_enum_list drm_tv_subconnector_enum_list[] = | |
122 | { | |
123 | { DRM_MODE_SUBCONNECTOR_Unknown, "Unknown" }, /* DVI-I and TV-out */ | |
124 | { DRM_MODE_SUBCONNECTOR_Composite, "Composite" }, /* TV-out */ | |
125 | { DRM_MODE_SUBCONNECTOR_SVIDEO, "SVIDEO" }, /* TV-out */ | |
126 | { DRM_MODE_SUBCONNECTOR_Component, "Component" }, /* TV-out */ | |
aeaa1ad3 | 127 | { DRM_MODE_SUBCONNECTOR_SCART, "SCART" }, /* TV-out */ |
f453ba04 DA |
128 | }; |
129 | ||
130 | DRM_ENUM_NAME_FN(drm_get_tv_subconnector_name, | |
131 | drm_tv_subconnector_enum_list) | |
132 | ||
884840aa JB |
133 | static struct drm_prop_enum_list drm_dirty_info_enum_list[] = { |
134 | { DRM_MODE_DIRTY_OFF, "Off" }, | |
135 | { DRM_MODE_DIRTY_ON, "On" }, | |
136 | { DRM_MODE_DIRTY_ANNOTATE, "Annotate" }, | |
137 | }; | |
138 | ||
139 | DRM_ENUM_NAME_FN(drm_get_dirty_info_name, | |
140 | drm_dirty_info_enum_list) | |
141 | ||
f453ba04 DA |
142 | struct drm_conn_prop_enum_list { |
143 | int type; | |
144 | char *name; | |
145 | int count; | |
146 | }; | |
147 | ||
148 | /* | |
149 | * Connector and encoder types. | |
150 | */ | |
151 | static struct drm_conn_prop_enum_list drm_connector_enum_list[] = | |
152 | { { DRM_MODE_CONNECTOR_Unknown, "Unknown", 0 }, | |
153 | { DRM_MODE_CONNECTOR_VGA, "VGA", 0 }, | |
154 | { DRM_MODE_CONNECTOR_DVII, "DVI-I", 0 }, | |
155 | { DRM_MODE_CONNECTOR_DVID, "DVI-D", 0 }, | |
156 | { DRM_MODE_CONNECTOR_DVIA, "DVI-A", 0 }, | |
157 | { DRM_MODE_CONNECTOR_Composite, "Composite", 0 }, | |
158 | { DRM_MODE_CONNECTOR_SVIDEO, "SVIDEO", 0 }, | |
159 | { DRM_MODE_CONNECTOR_LVDS, "LVDS", 0 }, | |
160 | { DRM_MODE_CONNECTOR_Component, "Component", 0 }, | |
e76116ca AD |
161 | { DRM_MODE_CONNECTOR_9PinDIN, "DIN", 0 }, |
162 | { DRM_MODE_CONNECTOR_DisplayPort, "DP", 0 }, | |
163 | { DRM_MODE_CONNECTOR_HDMIA, "HDMI-A", 0 }, | |
164 | { DRM_MODE_CONNECTOR_HDMIB, "HDMI-B", 0 }, | |
74bd3c26 | 165 | { DRM_MODE_CONNECTOR_TV, "TV", 0 }, |
e76116ca | 166 | { DRM_MODE_CONNECTOR_eDP, "eDP", 0 }, |
a7331e5c | 167 | { DRM_MODE_CONNECTOR_VIRTUAL, "Virtual", 0}, |
f453ba04 DA |
168 | }; |
169 | ||
170 | static struct drm_prop_enum_list drm_encoder_enum_list[] = | |
171 | { { DRM_MODE_ENCODER_NONE, "None" }, | |
172 | { DRM_MODE_ENCODER_DAC, "DAC" }, | |
173 | { DRM_MODE_ENCODER_TMDS, "TMDS" }, | |
174 | { DRM_MODE_ENCODER_LVDS, "LVDS" }, | |
175 | { DRM_MODE_ENCODER_TVDAC, "TV" }, | |
a7331e5c | 176 | { DRM_MODE_ENCODER_VIRTUAL, "Virtual" }, |
f453ba04 DA |
177 | }; |
178 | ||
179 | char *drm_get_encoder_name(struct drm_encoder *encoder) | |
180 | { | |
181 | static char buf[32]; | |
182 | ||
183 | snprintf(buf, 32, "%s-%d", | |
184 | drm_encoder_enum_list[encoder->encoder_type].name, | |
185 | encoder->base.id); | |
186 | return buf; | |
187 | } | |
13a8195b | 188 | EXPORT_SYMBOL(drm_get_encoder_name); |
f453ba04 DA |
189 | |
190 | char *drm_get_connector_name(struct drm_connector *connector) | |
191 | { | |
192 | static char buf[32]; | |
193 | ||
194 | snprintf(buf, 32, "%s-%d", | |
195 | drm_connector_enum_list[connector->connector_type].name, | |
196 | connector->connector_type_id); | |
197 | return buf; | |
198 | } | |
199 | EXPORT_SYMBOL(drm_get_connector_name); | |
200 | ||
201 | char *drm_get_connector_status_name(enum drm_connector_status status) | |
202 | { | |
203 | if (status == connector_status_connected) | |
204 | return "connected"; | |
205 | else if (status == connector_status_disconnected) | |
206 | return "disconnected"; | |
207 | else | |
208 | return "unknown"; | |
209 | } | |
210 | ||
211 | /** | |
212 | * drm_mode_object_get - allocate a new identifier | |
213 | * @dev: DRM device | |
214 | * @ptr: object pointer, used to generate unique ID | |
215 | * @type: object type | |
216 | * | |
217 | * LOCKING: | |
f453ba04 DA |
218 | * |
219 | * Create a unique identifier based on @ptr in @dev's identifier space. Used | |
220 | * for tracking modes, CRTCs and connectors. | |
221 | * | |
222 | * RETURNS: | |
223 | * New unique (relative to other objects in @dev) integer identifier for the | |
224 | * object. | |
225 | */ | |
226 | static int drm_mode_object_get(struct drm_device *dev, | |
227 | struct drm_mode_object *obj, uint32_t obj_type) | |
228 | { | |
229 | int new_id = 0; | |
230 | int ret; | |
231 | ||
f453ba04 DA |
232 | again: |
233 | if (idr_pre_get(&dev->mode_config.crtc_idr, GFP_KERNEL) == 0) { | |
234 | DRM_ERROR("Ran out memory getting a mode number\n"); | |
235 | return -EINVAL; | |
236 | } | |
237 | ||
ad2563c2 | 238 | mutex_lock(&dev->mode_config.idr_mutex); |
f453ba04 | 239 | ret = idr_get_new_above(&dev->mode_config.crtc_idr, obj, 1, &new_id); |
ad2563c2 | 240 | mutex_unlock(&dev->mode_config.idr_mutex); |
f453ba04 DA |
241 | if (ret == -EAGAIN) |
242 | goto again; | |
243 | ||
244 | obj->id = new_id; | |
245 | obj->type = obj_type; | |
246 | return 0; | |
247 | } | |
248 | ||
249 | /** | |
250 | * drm_mode_object_put - free an identifer | |
251 | * @dev: DRM device | |
252 | * @id: ID to free | |
253 | * | |
254 | * LOCKING: | |
255 | * Caller must hold DRM mode_config lock. | |
256 | * | |
257 | * Free @id from @dev's unique identifier pool. | |
258 | */ | |
259 | static void drm_mode_object_put(struct drm_device *dev, | |
260 | struct drm_mode_object *object) | |
261 | { | |
ad2563c2 | 262 | mutex_lock(&dev->mode_config.idr_mutex); |
f453ba04 | 263 | idr_remove(&dev->mode_config.crtc_idr, object->id); |
ad2563c2 | 264 | mutex_unlock(&dev->mode_config.idr_mutex); |
f453ba04 DA |
265 | } |
266 | ||
7a9c9060 DV |
267 | struct drm_mode_object *drm_mode_object_find(struct drm_device *dev, |
268 | uint32_t id, uint32_t type) | |
f453ba04 | 269 | { |
ad2563c2 | 270 | struct drm_mode_object *obj = NULL; |
f453ba04 | 271 | |
ad2563c2 | 272 | mutex_lock(&dev->mode_config.idr_mutex); |
f453ba04 DA |
273 | obj = idr_find(&dev->mode_config.crtc_idr, id); |
274 | if (!obj || (obj->type != type) || (obj->id != id)) | |
ad2563c2 JB |
275 | obj = NULL; |
276 | mutex_unlock(&dev->mode_config.idr_mutex); | |
f453ba04 DA |
277 | |
278 | return obj; | |
279 | } | |
280 | EXPORT_SYMBOL(drm_mode_object_find); | |
281 | ||
f453ba04 DA |
282 | /** |
283 | * drm_framebuffer_init - initialize a framebuffer | |
284 | * @dev: DRM device | |
285 | * | |
286 | * LOCKING: | |
287 | * Caller must hold mode config lock. | |
288 | * | |
289 | * Allocates an ID for the framebuffer's parent mode object, sets its mode | |
290 | * functions & device file and adds it to the master fd list. | |
291 | * | |
292 | * RETURNS: | |
af901ca1 | 293 | * Zero on success, error code on failure. |
f453ba04 DA |
294 | */ |
295 | int drm_framebuffer_init(struct drm_device *dev, struct drm_framebuffer *fb, | |
296 | const struct drm_framebuffer_funcs *funcs) | |
297 | { | |
298 | int ret; | |
299 | ||
300 | ret = drm_mode_object_get(dev, &fb->base, DRM_MODE_OBJECT_FB); | |
301 | if (ret) { | |
302 | return ret; | |
303 | } | |
304 | ||
305 | fb->dev = dev; | |
306 | fb->funcs = funcs; | |
307 | dev->mode_config.num_fb++; | |
308 | list_add(&fb->head, &dev->mode_config.fb_list); | |
309 | ||
310 | return 0; | |
311 | } | |
312 | EXPORT_SYMBOL(drm_framebuffer_init); | |
313 | ||
314 | /** | |
315 | * drm_framebuffer_cleanup - remove a framebuffer object | |
316 | * @fb: framebuffer to remove | |
317 | * | |
318 | * LOCKING: | |
319 | * Caller must hold mode config lock. | |
320 | * | |
321 | * Scans all the CRTCs in @dev's mode_config. If they're using @fb, removes | |
322 | * it, setting it to NULL. | |
323 | */ | |
324 | void drm_framebuffer_cleanup(struct drm_framebuffer *fb) | |
325 | { | |
326 | struct drm_device *dev = fb->dev; | |
327 | struct drm_crtc *crtc; | |
8cf5c917 | 328 | struct drm_plane *plane; |
5ef5f72f DA |
329 | struct drm_mode_set set; |
330 | int ret; | |
f453ba04 DA |
331 | |
332 | /* remove from any CRTC */ | |
333 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { | |
5ef5f72f DA |
334 | if (crtc->fb == fb) { |
335 | /* should turn off the crtc */ | |
336 | memset(&set, 0, sizeof(struct drm_mode_set)); | |
337 | set.crtc = crtc; | |
338 | set.fb = NULL; | |
339 | ret = crtc->funcs->set_config(&set); | |
340 | if (ret) | |
341 | DRM_ERROR("failed to reset crtc %p when fb was deleted\n", crtc); | |
342 | } | |
f453ba04 DA |
343 | } |
344 | ||
8cf5c917 JB |
345 | list_for_each_entry(plane, &dev->mode_config.plane_list, head) { |
346 | if (plane->fb == fb) { | |
347 | /* should turn off the crtc */ | |
348 | ret = plane->funcs->disable_plane(plane); | |
349 | if (ret) | |
350 | DRM_ERROR("failed to disable plane with busy fb\n"); | |
a9971157 RC |
351 | /* disconnect the plane from the fb and crtc: */ |
352 | plane->fb = NULL; | |
353 | plane->crtc = NULL; | |
8cf5c917 JB |
354 | } |
355 | } | |
356 | ||
f453ba04 DA |
357 | drm_mode_object_put(dev, &fb->base); |
358 | list_del(&fb->head); | |
359 | dev->mode_config.num_fb--; | |
360 | } | |
361 | EXPORT_SYMBOL(drm_framebuffer_cleanup); | |
362 | ||
363 | /** | |
364 | * drm_crtc_init - Initialise a new CRTC object | |
365 | * @dev: DRM device | |
366 | * @crtc: CRTC object to init | |
367 | * @funcs: callbacks for the new CRTC | |
368 | * | |
369 | * LOCKING: | |
370 | * Caller must hold mode config lock. | |
371 | * | |
372 | * Inits a new object created as base part of an driver crtc object. | |
373 | */ | |
374 | void drm_crtc_init(struct drm_device *dev, struct drm_crtc *crtc, | |
375 | const struct drm_crtc_funcs *funcs) | |
376 | { | |
377 | crtc->dev = dev; | |
378 | crtc->funcs = funcs; | |
379 | ||
380 | mutex_lock(&dev->mode_config.mutex); | |
381 | drm_mode_object_get(dev, &crtc->base, DRM_MODE_OBJECT_CRTC); | |
382 | ||
383 | list_add_tail(&crtc->head, &dev->mode_config.crtc_list); | |
384 | dev->mode_config.num_crtc++; | |
385 | mutex_unlock(&dev->mode_config.mutex); | |
386 | } | |
387 | EXPORT_SYMBOL(drm_crtc_init); | |
388 | ||
389 | /** | |
390 | * drm_crtc_cleanup - Cleans up the core crtc usage. | |
391 | * @crtc: CRTC to cleanup | |
392 | * | |
393 | * LOCKING: | |
394 | * Caller must hold mode config lock. | |
395 | * | |
396 | * Cleanup @crtc. Removes from drm modesetting space | |
397 | * does NOT free object, caller does that. | |
398 | */ | |
399 | void drm_crtc_cleanup(struct drm_crtc *crtc) | |
400 | { | |
401 | struct drm_device *dev = crtc->dev; | |
402 | ||
403 | if (crtc->gamma_store) { | |
404 | kfree(crtc->gamma_store); | |
405 | crtc->gamma_store = NULL; | |
406 | } | |
407 | ||
408 | drm_mode_object_put(dev, &crtc->base); | |
409 | list_del(&crtc->head); | |
410 | dev->mode_config.num_crtc--; | |
411 | } | |
412 | EXPORT_SYMBOL(drm_crtc_cleanup); | |
413 | ||
414 | /** | |
415 | * drm_mode_probed_add - add a mode to a connector's probed mode list | |
416 | * @connector: connector the new mode | |
417 | * @mode: mode data | |
418 | * | |
419 | * LOCKING: | |
420 | * Caller must hold mode config lock. | |
421 | * | |
422 | * Add @mode to @connector's mode list for later use. | |
423 | */ | |
424 | void drm_mode_probed_add(struct drm_connector *connector, | |
425 | struct drm_display_mode *mode) | |
426 | { | |
427 | list_add(&mode->head, &connector->probed_modes); | |
428 | } | |
429 | EXPORT_SYMBOL(drm_mode_probed_add); | |
430 | ||
431 | /** | |
432 | * drm_mode_remove - remove and free a mode | |
433 | * @connector: connector list to modify | |
434 | * @mode: mode to remove | |
435 | * | |
436 | * LOCKING: | |
437 | * Caller must hold mode config lock. | |
438 | * | |
439 | * Remove @mode from @connector's mode list, then free it. | |
440 | */ | |
441 | void drm_mode_remove(struct drm_connector *connector, | |
442 | struct drm_display_mode *mode) | |
443 | { | |
444 | list_del(&mode->head); | |
445 | kfree(mode); | |
446 | } | |
447 | EXPORT_SYMBOL(drm_mode_remove); | |
448 | ||
449 | /** | |
450 | * drm_connector_init - Init a preallocated connector | |
451 | * @dev: DRM device | |
452 | * @connector: the connector to init | |
453 | * @funcs: callbacks for this connector | |
454 | * @name: user visible name of the connector | |
455 | * | |
456 | * LOCKING: | |
457 | * Caller must hold @dev's mode_config lock. | |
458 | * | |
459 | * Initialises a preallocated connector. Connectors should be | |
460 | * subclassed as part of driver connector objects. | |
461 | */ | |
462 | void drm_connector_init(struct drm_device *dev, | |
463 | struct drm_connector *connector, | |
464 | const struct drm_connector_funcs *funcs, | |
465 | int connector_type) | |
466 | { | |
467 | mutex_lock(&dev->mode_config.mutex); | |
468 | ||
469 | connector->dev = dev; | |
470 | connector->funcs = funcs; | |
471 | drm_mode_object_get(dev, &connector->base, DRM_MODE_OBJECT_CONNECTOR); | |
472 | connector->connector_type = connector_type; | |
473 | connector->connector_type_id = | |
474 | ++drm_connector_enum_list[connector_type].count; /* TODO */ | |
475 | INIT_LIST_HEAD(&connector->user_modes); | |
476 | INIT_LIST_HEAD(&connector->probed_modes); | |
477 | INIT_LIST_HEAD(&connector->modes); | |
478 | connector->edid_blob_ptr = NULL; | |
479 | ||
480 | list_add_tail(&connector->head, &dev->mode_config.connector_list); | |
481 | dev->mode_config.num_connector++; | |
482 | ||
a7331e5c TH |
483 | if (connector_type != DRM_MODE_CONNECTOR_VIRTUAL) |
484 | drm_connector_attach_property(connector, | |
485 | dev->mode_config.edid_property, | |
486 | 0); | |
f453ba04 DA |
487 | |
488 | drm_connector_attach_property(connector, | |
489 | dev->mode_config.dpms_property, 0); | |
490 | ||
491 | mutex_unlock(&dev->mode_config.mutex); | |
492 | } | |
493 | EXPORT_SYMBOL(drm_connector_init); | |
494 | ||
495 | /** | |
496 | * drm_connector_cleanup - cleans up an initialised connector | |
497 | * @connector: connector to cleanup | |
498 | * | |
499 | * LOCKING: | |
500 | * Caller must hold @dev's mode_config lock. | |
501 | * | |
502 | * Cleans up the connector but doesn't free the object. | |
503 | */ | |
504 | void drm_connector_cleanup(struct drm_connector *connector) | |
505 | { | |
506 | struct drm_device *dev = connector->dev; | |
507 | struct drm_display_mode *mode, *t; | |
508 | ||
509 | list_for_each_entry_safe(mode, t, &connector->probed_modes, head) | |
510 | drm_mode_remove(connector, mode); | |
511 | ||
512 | list_for_each_entry_safe(mode, t, &connector->modes, head) | |
513 | drm_mode_remove(connector, mode); | |
514 | ||
515 | list_for_each_entry_safe(mode, t, &connector->user_modes, head) | |
516 | drm_mode_remove(connector, mode); | |
517 | ||
518 | mutex_lock(&dev->mode_config.mutex); | |
519 | drm_mode_object_put(dev, &connector->base); | |
520 | list_del(&connector->head); | |
6380c509 | 521 | dev->mode_config.num_connector--; |
f453ba04 DA |
522 | mutex_unlock(&dev->mode_config.mutex); |
523 | } | |
524 | EXPORT_SYMBOL(drm_connector_cleanup); | |
525 | ||
526 | void drm_encoder_init(struct drm_device *dev, | |
527 | struct drm_encoder *encoder, | |
528 | const struct drm_encoder_funcs *funcs, | |
529 | int encoder_type) | |
530 | { | |
531 | mutex_lock(&dev->mode_config.mutex); | |
532 | ||
533 | encoder->dev = dev; | |
534 | ||
535 | drm_mode_object_get(dev, &encoder->base, DRM_MODE_OBJECT_ENCODER); | |
536 | encoder->encoder_type = encoder_type; | |
537 | encoder->funcs = funcs; | |
538 | ||
539 | list_add_tail(&encoder->head, &dev->mode_config.encoder_list); | |
540 | dev->mode_config.num_encoder++; | |
541 | ||
542 | mutex_unlock(&dev->mode_config.mutex); | |
543 | } | |
544 | EXPORT_SYMBOL(drm_encoder_init); | |
545 | ||
546 | void drm_encoder_cleanup(struct drm_encoder *encoder) | |
547 | { | |
548 | struct drm_device *dev = encoder->dev; | |
549 | mutex_lock(&dev->mode_config.mutex); | |
550 | drm_mode_object_put(dev, &encoder->base); | |
551 | list_del(&encoder->head); | |
6380c509 | 552 | dev->mode_config.num_encoder--; |
f453ba04 DA |
553 | mutex_unlock(&dev->mode_config.mutex); |
554 | } | |
555 | EXPORT_SYMBOL(drm_encoder_cleanup); | |
556 | ||
8cf5c917 JB |
557 | int drm_plane_init(struct drm_device *dev, struct drm_plane *plane, |
558 | unsigned long possible_crtcs, | |
559 | const struct drm_plane_funcs *funcs, | |
0a7eb243 RC |
560 | const uint32_t *formats, uint32_t format_count, |
561 | bool priv) | |
8cf5c917 JB |
562 | { |
563 | mutex_lock(&dev->mode_config.mutex); | |
564 | ||
565 | plane->dev = dev; | |
566 | drm_mode_object_get(dev, &plane->base, DRM_MODE_OBJECT_PLANE); | |
567 | plane->funcs = funcs; | |
568 | plane->format_types = kmalloc(sizeof(uint32_t) * format_count, | |
569 | GFP_KERNEL); | |
570 | if (!plane->format_types) { | |
571 | DRM_DEBUG_KMS("out of memory when allocating plane\n"); | |
572 | drm_mode_object_put(dev, &plane->base); | |
10bf573b | 573 | mutex_unlock(&dev->mode_config.mutex); |
8cf5c917 JB |
574 | return -ENOMEM; |
575 | } | |
576 | ||
308e5bcb | 577 | memcpy(plane->format_types, formats, format_count * sizeof(uint32_t)); |
8cf5c917 JB |
578 | plane->format_count = format_count; |
579 | plane->possible_crtcs = possible_crtcs; | |
580 | ||
0a7eb243 RC |
581 | /* private planes are not exposed to userspace, but depending on |
582 | * display hardware, might be convenient to allow sharing programming | |
583 | * for the scanout engine with the crtc implementation. | |
584 | */ | |
585 | if (!priv) { | |
586 | list_add_tail(&plane->head, &dev->mode_config.plane_list); | |
587 | dev->mode_config.num_plane++; | |
588 | } else { | |
589 | INIT_LIST_HEAD(&plane->head); | |
590 | } | |
8cf5c917 JB |
591 | |
592 | mutex_unlock(&dev->mode_config.mutex); | |
593 | ||
594 | return 0; | |
595 | } | |
596 | EXPORT_SYMBOL(drm_plane_init); | |
597 | ||
598 | void drm_plane_cleanup(struct drm_plane *plane) | |
599 | { | |
600 | struct drm_device *dev = plane->dev; | |
601 | ||
602 | mutex_lock(&dev->mode_config.mutex); | |
603 | kfree(plane->format_types); | |
604 | drm_mode_object_put(dev, &plane->base); | |
0a7eb243 RC |
605 | /* if not added to a list, it must be a private plane */ |
606 | if (!list_empty(&plane->head)) { | |
607 | list_del(&plane->head); | |
608 | dev->mode_config.num_plane--; | |
609 | } | |
8cf5c917 JB |
610 | mutex_unlock(&dev->mode_config.mutex); |
611 | } | |
612 | EXPORT_SYMBOL(drm_plane_cleanup); | |
613 | ||
f453ba04 DA |
614 | /** |
615 | * drm_mode_create - create a new display mode | |
616 | * @dev: DRM device | |
617 | * | |
618 | * LOCKING: | |
619 | * Caller must hold DRM mode_config lock. | |
620 | * | |
621 | * Create a new drm_display_mode, give it an ID, and return it. | |
622 | * | |
623 | * RETURNS: | |
624 | * Pointer to new mode on success, NULL on error. | |
625 | */ | |
626 | struct drm_display_mode *drm_mode_create(struct drm_device *dev) | |
627 | { | |
628 | struct drm_display_mode *nmode; | |
629 | ||
630 | nmode = kzalloc(sizeof(struct drm_display_mode), GFP_KERNEL); | |
631 | if (!nmode) | |
632 | return NULL; | |
633 | ||
634 | drm_mode_object_get(dev, &nmode->base, DRM_MODE_OBJECT_MODE); | |
635 | return nmode; | |
636 | } | |
637 | EXPORT_SYMBOL(drm_mode_create); | |
638 | ||
639 | /** | |
640 | * drm_mode_destroy - remove a mode | |
641 | * @dev: DRM device | |
642 | * @mode: mode to remove | |
643 | * | |
644 | * LOCKING: | |
645 | * Caller must hold mode config lock. | |
646 | * | |
647 | * Free @mode's unique identifier, then free it. | |
648 | */ | |
649 | void drm_mode_destroy(struct drm_device *dev, struct drm_display_mode *mode) | |
650 | { | |
651 | drm_mode_object_put(dev, &mode->base); | |
652 | ||
653 | kfree(mode); | |
654 | } | |
655 | EXPORT_SYMBOL(drm_mode_destroy); | |
656 | ||
657 | static int drm_mode_create_standard_connector_properties(struct drm_device *dev) | |
658 | { | |
659 | struct drm_property *edid; | |
660 | struct drm_property *dpms; | |
661 | int i; | |
662 | ||
663 | /* | |
664 | * Standard properties (apply to all connectors) | |
665 | */ | |
666 | edid = drm_property_create(dev, DRM_MODE_PROP_BLOB | | |
667 | DRM_MODE_PROP_IMMUTABLE, | |
668 | "EDID", 0); | |
669 | dev->mode_config.edid_property = edid; | |
670 | ||
671 | dpms = drm_property_create(dev, DRM_MODE_PROP_ENUM, | |
672 | "DPMS", ARRAY_SIZE(drm_dpms_enum_list)); | |
673 | for (i = 0; i < ARRAY_SIZE(drm_dpms_enum_list); i++) | |
674 | drm_property_add_enum(dpms, i, drm_dpms_enum_list[i].type, | |
675 | drm_dpms_enum_list[i].name); | |
676 | dev->mode_config.dpms_property = dpms; | |
677 | ||
678 | return 0; | |
679 | } | |
680 | ||
681 | /** | |
682 | * drm_mode_create_dvi_i_properties - create DVI-I specific connector properties | |
683 | * @dev: DRM device | |
684 | * | |
685 | * Called by a driver the first time a DVI-I connector is made. | |
686 | */ | |
687 | int drm_mode_create_dvi_i_properties(struct drm_device *dev) | |
688 | { | |
689 | struct drm_property *dvi_i_selector; | |
690 | struct drm_property *dvi_i_subconnector; | |
691 | int i; | |
692 | ||
693 | if (dev->mode_config.dvi_i_select_subconnector_property) | |
694 | return 0; | |
695 | ||
696 | dvi_i_selector = | |
697 | drm_property_create(dev, DRM_MODE_PROP_ENUM, | |
698 | "select subconnector", | |
699 | ARRAY_SIZE(drm_dvi_i_select_enum_list)); | |
700 | for (i = 0; i < ARRAY_SIZE(drm_dvi_i_select_enum_list); i++) | |
701 | drm_property_add_enum(dvi_i_selector, i, | |
702 | drm_dvi_i_select_enum_list[i].type, | |
703 | drm_dvi_i_select_enum_list[i].name); | |
704 | dev->mode_config.dvi_i_select_subconnector_property = dvi_i_selector; | |
705 | ||
706 | dvi_i_subconnector = | |
707 | drm_property_create(dev, DRM_MODE_PROP_ENUM | | |
708 | DRM_MODE_PROP_IMMUTABLE, | |
709 | "subconnector", | |
710 | ARRAY_SIZE(drm_dvi_i_subconnector_enum_list)); | |
711 | for (i = 0; i < ARRAY_SIZE(drm_dvi_i_subconnector_enum_list); i++) | |
712 | drm_property_add_enum(dvi_i_subconnector, i, | |
713 | drm_dvi_i_subconnector_enum_list[i].type, | |
714 | drm_dvi_i_subconnector_enum_list[i].name); | |
715 | dev->mode_config.dvi_i_subconnector_property = dvi_i_subconnector; | |
716 | ||
717 | return 0; | |
718 | } | |
719 | EXPORT_SYMBOL(drm_mode_create_dvi_i_properties); | |
720 | ||
721 | /** | |
722 | * drm_create_tv_properties - create TV specific connector properties | |
723 | * @dev: DRM device | |
724 | * @num_modes: number of different TV formats (modes) supported | |
725 | * @modes: array of pointers to strings containing name of each format | |
726 | * | |
727 | * Called by a driver's TV initialization routine, this function creates | |
728 | * the TV specific connector properties for a given device. Caller is | |
729 | * responsible for allocating a list of format names and passing them to | |
730 | * this routine. | |
731 | */ | |
732 | int drm_mode_create_tv_properties(struct drm_device *dev, int num_modes, | |
733 | char *modes[]) | |
734 | { | |
735 | struct drm_property *tv_selector; | |
736 | struct drm_property *tv_subconnector; | |
737 | int i; | |
738 | ||
739 | if (dev->mode_config.tv_select_subconnector_property) | |
740 | return 0; | |
741 | ||
742 | /* | |
743 | * Basic connector properties | |
744 | */ | |
745 | tv_selector = drm_property_create(dev, DRM_MODE_PROP_ENUM, | |
746 | "select subconnector", | |
747 | ARRAY_SIZE(drm_tv_select_enum_list)); | |
748 | for (i = 0; i < ARRAY_SIZE(drm_tv_select_enum_list); i++) | |
749 | drm_property_add_enum(tv_selector, i, | |
750 | drm_tv_select_enum_list[i].type, | |
751 | drm_tv_select_enum_list[i].name); | |
752 | dev->mode_config.tv_select_subconnector_property = tv_selector; | |
753 | ||
754 | tv_subconnector = | |
755 | drm_property_create(dev, DRM_MODE_PROP_ENUM | | |
756 | DRM_MODE_PROP_IMMUTABLE, "subconnector", | |
757 | ARRAY_SIZE(drm_tv_subconnector_enum_list)); | |
758 | for (i = 0; i < ARRAY_SIZE(drm_tv_subconnector_enum_list); i++) | |
759 | drm_property_add_enum(tv_subconnector, i, | |
760 | drm_tv_subconnector_enum_list[i].type, | |
761 | drm_tv_subconnector_enum_list[i].name); | |
762 | dev->mode_config.tv_subconnector_property = tv_subconnector; | |
763 | ||
764 | /* | |
765 | * Other, TV specific properties: margins & TV modes. | |
766 | */ | |
767 | dev->mode_config.tv_left_margin_property = | |
768 | drm_property_create(dev, DRM_MODE_PROP_RANGE, | |
769 | "left margin", 2); | |
770 | dev->mode_config.tv_left_margin_property->values[0] = 0; | |
771 | dev->mode_config.tv_left_margin_property->values[1] = 100; | |
772 | ||
773 | dev->mode_config.tv_right_margin_property = | |
774 | drm_property_create(dev, DRM_MODE_PROP_RANGE, | |
775 | "right margin", 2); | |
776 | dev->mode_config.tv_right_margin_property->values[0] = 0; | |
777 | dev->mode_config.tv_right_margin_property->values[1] = 100; | |
778 | ||
779 | dev->mode_config.tv_top_margin_property = | |
780 | drm_property_create(dev, DRM_MODE_PROP_RANGE, | |
781 | "top margin", 2); | |
782 | dev->mode_config.tv_top_margin_property->values[0] = 0; | |
783 | dev->mode_config.tv_top_margin_property->values[1] = 100; | |
784 | ||
785 | dev->mode_config.tv_bottom_margin_property = | |
786 | drm_property_create(dev, DRM_MODE_PROP_RANGE, | |
787 | "bottom margin", 2); | |
788 | dev->mode_config.tv_bottom_margin_property->values[0] = 0; | |
789 | dev->mode_config.tv_bottom_margin_property->values[1] = 100; | |
790 | ||
791 | dev->mode_config.tv_mode_property = | |
792 | drm_property_create(dev, DRM_MODE_PROP_ENUM, | |
793 | "mode", num_modes); | |
794 | for (i = 0; i < num_modes; i++) | |
795 | drm_property_add_enum(dev->mode_config.tv_mode_property, i, | |
796 | i, modes[i]); | |
797 | ||
b6b7902e FJ |
798 | dev->mode_config.tv_brightness_property = |
799 | drm_property_create(dev, DRM_MODE_PROP_RANGE, | |
800 | "brightness", 2); | |
801 | dev->mode_config.tv_brightness_property->values[0] = 0; | |
802 | dev->mode_config.tv_brightness_property->values[1] = 100; | |
803 | ||
804 | dev->mode_config.tv_contrast_property = | |
805 | drm_property_create(dev, DRM_MODE_PROP_RANGE, | |
806 | "contrast", 2); | |
807 | dev->mode_config.tv_contrast_property->values[0] = 0; | |
808 | dev->mode_config.tv_contrast_property->values[1] = 100; | |
809 | ||
810 | dev->mode_config.tv_flicker_reduction_property = | |
811 | drm_property_create(dev, DRM_MODE_PROP_RANGE, | |
812 | "flicker reduction", 2); | |
813 | dev->mode_config.tv_flicker_reduction_property->values[0] = 0; | |
814 | dev->mode_config.tv_flicker_reduction_property->values[1] = 100; | |
815 | ||
a75f0236 FJ |
816 | dev->mode_config.tv_overscan_property = |
817 | drm_property_create(dev, DRM_MODE_PROP_RANGE, | |
818 | "overscan", 2); | |
819 | dev->mode_config.tv_overscan_property->values[0] = 0; | |
820 | dev->mode_config.tv_overscan_property->values[1] = 100; | |
821 | ||
822 | dev->mode_config.tv_saturation_property = | |
823 | drm_property_create(dev, DRM_MODE_PROP_RANGE, | |
824 | "saturation", 2); | |
825 | dev->mode_config.tv_saturation_property->values[0] = 0; | |
826 | dev->mode_config.tv_saturation_property->values[1] = 100; | |
827 | ||
828 | dev->mode_config.tv_hue_property = | |
829 | drm_property_create(dev, DRM_MODE_PROP_RANGE, | |
830 | "hue", 2); | |
831 | dev->mode_config.tv_hue_property->values[0] = 0; | |
832 | dev->mode_config.tv_hue_property->values[1] = 100; | |
833 | ||
f453ba04 DA |
834 | return 0; |
835 | } | |
836 | EXPORT_SYMBOL(drm_mode_create_tv_properties); | |
837 | ||
838 | /** | |
839 | * drm_mode_create_scaling_mode_property - create scaling mode property | |
840 | * @dev: DRM device | |
841 | * | |
842 | * Called by a driver the first time it's needed, must be attached to desired | |
843 | * connectors. | |
844 | */ | |
845 | int drm_mode_create_scaling_mode_property(struct drm_device *dev) | |
846 | { | |
847 | struct drm_property *scaling_mode; | |
848 | int i; | |
849 | ||
850 | if (dev->mode_config.scaling_mode_property) | |
851 | return 0; | |
852 | ||
853 | scaling_mode = | |
854 | drm_property_create(dev, DRM_MODE_PROP_ENUM, "scaling mode", | |
855 | ARRAY_SIZE(drm_scaling_mode_enum_list)); | |
856 | for (i = 0; i < ARRAY_SIZE(drm_scaling_mode_enum_list); i++) | |
857 | drm_property_add_enum(scaling_mode, i, | |
858 | drm_scaling_mode_enum_list[i].type, | |
859 | drm_scaling_mode_enum_list[i].name); | |
860 | ||
861 | dev->mode_config.scaling_mode_property = scaling_mode; | |
862 | ||
863 | return 0; | |
864 | } | |
865 | EXPORT_SYMBOL(drm_mode_create_scaling_mode_property); | |
866 | ||
867 | /** | |
868 | * drm_mode_create_dithering_property - create dithering property | |
869 | * @dev: DRM device | |
870 | * | |
871 | * Called by a driver the first time it's needed, must be attached to desired | |
872 | * connectors. | |
873 | */ | |
874 | int drm_mode_create_dithering_property(struct drm_device *dev) | |
875 | { | |
876 | struct drm_property *dithering_mode; | |
877 | int i; | |
878 | ||
879 | if (dev->mode_config.dithering_mode_property) | |
880 | return 0; | |
881 | ||
882 | dithering_mode = | |
883 | drm_property_create(dev, DRM_MODE_PROP_ENUM, "dithering", | |
884 | ARRAY_SIZE(drm_dithering_mode_enum_list)); | |
885 | for (i = 0; i < ARRAY_SIZE(drm_dithering_mode_enum_list); i++) | |
886 | drm_property_add_enum(dithering_mode, i, | |
887 | drm_dithering_mode_enum_list[i].type, | |
888 | drm_dithering_mode_enum_list[i].name); | |
889 | dev->mode_config.dithering_mode_property = dithering_mode; | |
890 | ||
891 | return 0; | |
892 | } | |
893 | EXPORT_SYMBOL(drm_mode_create_dithering_property); | |
894 | ||
884840aa JB |
895 | /** |
896 | * drm_mode_create_dirty_property - create dirty property | |
897 | * @dev: DRM device | |
898 | * | |
899 | * Called by a driver the first time it's needed, must be attached to desired | |
900 | * connectors. | |
901 | */ | |
902 | int drm_mode_create_dirty_info_property(struct drm_device *dev) | |
903 | { | |
904 | struct drm_property *dirty_info; | |
905 | int i; | |
906 | ||
907 | if (dev->mode_config.dirty_info_property) | |
908 | return 0; | |
909 | ||
910 | dirty_info = | |
911 | drm_property_create(dev, DRM_MODE_PROP_ENUM | | |
912 | DRM_MODE_PROP_IMMUTABLE, | |
913 | "dirty", | |
914 | ARRAY_SIZE(drm_dirty_info_enum_list)); | |
915 | for (i = 0; i < ARRAY_SIZE(drm_dirty_info_enum_list); i++) | |
916 | drm_property_add_enum(dirty_info, i, | |
917 | drm_dirty_info_enum_list[i].type, | |
918 | drm_dirty_info_enum_list[i].name); | |
919 | dev->mode_config.dirty_info_property = dirty_info; | |
920 | ||
921 | return 0; | |
922 | } | |
923 | EXPORT_SYMBOL(drm_mode_create_dirty_info_property); | |
924 | ||
f453ba04 DA |
925 | /** |
926 | * drm_mode_config_init - initialize DRM mode_configuration structure | |
927 | * @dev: DRM device | |
928 | * | |
929 | * LOCKING: | |
930 | * None, should happen single threaded at init time. | |
931 | * | |
932 | * Initialize @dev's mode_config structure, used for tracking the graphics | |
933 | * configuration of @dev. | |
934 | */ | |
935 | void drm_mode_config_init(struct drm_device *dev) | |
936 | { | |
937 | mutex_init(&dev->mode_config.mutex); | |
ad2563c2 | 938 | mutex_init(&dev->mode_config.idr_mutex); |
f453ba04 | 939 | INIT_LIST_HEAD(&dev->mode_config.fb_list); |
f453ba04 DA |
940 | INIT_LIST_HEAD(&dev->mode_config.crtc_list); |
941 | INIT_LIST_HEAD(&dev->mode_config.connector_list); | |
942 | INIT_LIST_HEAD(&dev->mode_config.encoder_list); | |
943 | INIT_LIST_HEAD(&dev->mode_config.property_list); | |
944 | INIT_LIST_HEAD(&dev->mode_config.property_blob_list); | |
8cf5c917 | 945 | INIT_LIST_HEAD(&dev->mode_config.plane_list); |
f453ba04 DA |
946 | idr_init(&dev->mode_config.crtc_idr); |
947 | ||
948 | mutex_lock(&dev->mode_config.mutex); | |
949 | drm_mode_create_standard_connector_properties(dev); | |
950 | mutex_unlock(&dev->mode_config.mutex); | |
951 | ||
952 | /* Just to be sure */ | |
953 | dev->mode_config.num_fb = 0; | |
954 | dev->mode_config.num_connector = 0; | |
955 | dev->mode_config.num_crtc = 0; | |
956 | dev->mode_config.num_encoder = 0; | |
f453ba04 DA |
957 | } |
958 | EXPORT_SYMBOL(drm_mode_config_init); | |
959 | ||
960 | int drm_mode_group_init(struct drm_device *dev, struct drm_mode_group *group) | |
961 | { | |
962 | uint32_t total_objects = 0; | |
963 | ||
964 | total_objects += dev->mode_config.num_crtc; | |
965 | total_objects += dev->mode_config.num_connector; | |
966 | total_objects += dev->mode_config.num_encoder; | |
967 | ||
f453ba04 DA |
968 | group->id_list = kzalloc(total_objects * sizeof(uint32_t), GFP_KERNEL); |
969 | if (!group->id_list) | |
970 | return -ENOMEM; | |
971 | ||
972 | group->num_crtcs = 0; | |
973 | group->num_connectors = 0; | |
974 | group->num_encoders = 0; | |
975 | return 0; | |
976 | } | |
977 | ||
978 | int drm_mode_group_init_legacy_group(struct drm_device *dev, | |
979 | struct drm_mode_group *group) | |
980 | { | |
981 | struct drm_crtc *crtc; | |
982 | struct drm_encoder *encoder; | |
983 | struct drm_connector *connector; | |
984 | int ret; | |
985 | ||
986 | if ((ret = drm_mode_group_init(dev, group))) | |
987 | return ret; | |
988 | ||
989 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) | |
990 | group->id_list[group->num_crtcs++] = crtc->base.id; | |
991 | ||
992 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) | |
993 | group->id_list[group->num_crtcs + group->num_encoders++] = | |
994 | encoder->base.id; | |
995 | ||
996 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) | |
997 | group->id_list[group->num_crtcs + group->num_encoders + | |
998 | group->num_connectors++] = connector->base.id; | |
999 | ||
1000 | return 0; | |
1001 | } | |
1002 | ||
1003 | /** | |
1004 | * drm_mode_config_cleanup - free up DRM mode_config info | |
1005 | * @dev: DRM device | |
1006 | * | |
1007 | * LOCKING: | |
1008 | * Caller must hold mode config lock. | |
1009 | * | |
1010 | * Free up all the connectors and CRTCs associated with this DRM device, then | |
1011 | * free up the framebuffers and associated buffer objects. | |
1012 | * | |
1013 | * FIXME: cleanup any dangling user buffer objects too | |
1014 | */ | |
1015 | void drm_mode_config_cleanup(struct drm_device *dev) | |
1016 | { | |
1017 | struct drm_connector *connector, *ot; | |
1018 | struct drm_crtc *crtc, *ct; | |
1019 | struct drm_encoder *encoder, *enct; | |
1020 | struct drm_framebuffer *fb, *fbt; | |
1021 | struct drm_property *property, *pt; | |
8cf5c917 | 1022 | struct drm_plane *plane, *plt; |
f453ba04 DA |
1023 | |
1024 | list_for_each_entry_safe(encoder, enct, &dev->mode_config.encoder_list, | |
1025 | head) { | |
1026 | encoder->funcs->destroy(encoder); | |
1027 | } | |
1028 | ||
1029 | list_for_each_entry_safe(connector, ot, | |
1030 | &dev->mode_config.connector_list, head) { | |
1031 | connector->funcs->destroy(connector); | |
1032 | } | |
1033 | ||
1034 | list_for_each_entry_safe(property, pt, &dev->mode_config.property_list, | |
1035 | head) { | |
1036 | drm_property_destroy(dev, property); | |
1037 | } | |
1038 | ||
1039 | list_for_each_entry_safe(fb, fbt, &dev->mode_config.fb_list, head) { | |
1040 | fb->funcs->destroy(fb); | |
1041 | } | |
1042 | ||
1043 | list_for_each_entry_safe(crtc, ct, &dev->mode_config.crtc_list, head) { | |
1044 | crtc->funcs->destroy(crtc); | |
1045 | } | |
1046 | ||
8cf5c917 JB |
1047 | list_for_each_entry_safe(plane, plt, &dev->mode_config.plane_list, |
1048 | head) { | |
1049 | plane->funcs->destroy(plane); | |
1050 | } | |
f453ba04 DA |
1051 | } |
1052 | EXPORT_SYMBOL(drm_mode_config_cleanup); | |
1053 | ||
f453ba04 DA |
1054 | /** |
1055 | * drm_crtc_convert_to_umode - convert a drm_display_mode into a modeinfo | |
1056 | * @out: drm_mode_modeinfo struct to return to the user | |
1057 | * @in: drm_display_mode to use | |
1058 | * | |
1059 | * LOCKING: | |
1060 | * None. | |
1061 | * | |
1062 | * Convert a drm_display_mode into a drm_mode_modeinfo structure to return to | |
1063 | * the user. | |
1064 | */ | |
1065 | void drm_crtc_convert_to_umode(struct drm_mode_modeinfo *out, | |
1066 | struct drm_display_mode *in) | |
1067 | { | |
1068 | out->clock = in->clock; | |
1069 | out->hdisplay = in->hdisplay; | |
1070 | out->hsync_start = in->hsync_start; | |
1071 | out->hsync_end = in->hsync_end; | |
1072 | out->htotal = in->htotal; | |
1073 | out->hskew = in->hskew; | |
1074 | out->vdisplay = in->vdisplay; | |
1075 | out->vsync_start = in->vsync_start; | |
1076 | out->vsync_end = in->vsync_end; | |
1077 | out->vtotal = in->vtotal; | |
1078 | out->vscan = in->vscan; | |
1079 | out->vrefresh = in->vrefresh; | |
1080 | out->flags = in->flags; | |
1081 | out->type = in->type; | |
1082 | strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN); | |
1083 | out->name[DRM_DISPLAY_MODE_LEN-1] = 0; | |
1084 | } | |
1085 | ||
1086 | /** | |
1087 | * drm_crtc_convert_to_umode - convert a modeinfo into a drm_display_mode | |
1088 | * @out: drm_display_mode to return to the user | |
1089 | * @in: drm_mode_modeinfo to use | |
1090 | * | |
1091 | * LOCKING: | |
1092 | * None. | |
1093 | * | |
1094 | * Convert a drm_mode_modeinfo into a drm_display_mode structure to return to | |
1095 | * the caller. | |
1096 | */ | |
1097 | void drm_crtc_convert_umode(struct drm_display_mode *out, | |
1098 | struct drm_mode_modeinfo *in) | |
1099 | { | |
1100 | out->clock = in->clock; | |
1101 | out->hdisplay = in->hdisplay; | |
1102 | out->hsync_start = in->hsync_start; | |
1103 | out->hsync_end = in->hsync_end; | |
1104 | out->htotal = in->htotal; | |
1105 | out->hskew = in->hskew; | |
1106 | out->vdisplay = in->vdisplay; | |
1107 | out->vsync_start = in->vsync_start; | |
1108 | out->vsync_end = in->vsync_end; | |
1109 | out->vtotal = in->vtotal; | |
1110 | out->vscan = in->vscan; | |
1111 | out->vrefresh = in->vrefresh; | |
1112 | out->flags = in->flags; | |
1113 | out->type = in->type; | |
1114 | strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN); | |
1115 | out->name[DRM_DISPLAY_MODE_LEN-1] = 0; | |
1116 | } | |
1117 | ||
1118 | /** | |
1119 | * drm_mode_getresources - get graphics configuration | |
1120 | * @inode: inode from the ioctl | |
1121 | * @filp: file * from the ioctl | |
1122 | * @cmd: cmd from ioctl | |
1123 | * @arg: arg from ioctl | |
1124 | * | |
1125 | * LOCKING: | |
1126 | * Takes mode config lock. | |
1127 | * | |
1128 | * Construct a set of configuration description structures and return | |
1129 | * them to the user, including CRTC, connector and framebuffer configuration. | |
1130 | * | |
1131 | * Called by the user via ioctl. | |
1132 | * | |
1133 | * RETURNS: | |
1134 | * Zero on success, errno on failure. | |
1135 | */ | |
1136 | int drm_mode_getresources(struct drm_device *dev, void *data, | |
1137 | struct drm_file *file_priv) | |
1138 | { | |
1139 | struct drm_mode_card_res *card_res = data; | |
1140 | struct list_head *lh; | |
1141 | struct drm_framebuffer *fb; | |
1142 | struct drm_connector *connector; | |
1143 | struct drm_crtc *crtc; | |
1144 | struct drm_encoder *encoder; | |
1145 | int ret = 0; | |
1146 | int connector_count = 0; | |
1147 | int crtc_count = 0; | |
1148 | int fb_count = 0; | |
1149 | int encoder_count = 0; | |
1150 | int copied = 0, i; | |
1151 | uint32_t __user *fb_id; | |
1152 | uint32_t __user *crtc_id; | |
1153 | uint32_t __user *connector_id; | |
1154 | uint32_t __user *encoder_id; | |
1155 | struct drm_mode_group *mode_group; | |
1156 | ||
fb3b06c8 DA |
1157 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
1158 | return -EINVAL; | |
1159 | ||
f453ba04 DA |
1160 | mutex_lock(&dev->mode_config.mutex); |
1161 | ||
1162 | /* | |
1163 | * For the non-control nodes we need to limit the list of resources | |
1164 | * by IDs in the group list for this node | |
1165 | */ | |
1166 | list_for_each(lh, &file_priv->fbs) | |
1167 | fb_count++; | |
1168 | ||
1169 | mode_group = &file_priv->master->minor->mode_group; | |
1170 | if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { | |
1171 | ||
1172 | list_for_each(lh, &dev->mode_config.crtc_list) | |
1173 | crtc_count++; | |
1174 | ||
1175 | list_for_each(lh, &dev->mode_config.connector_list) | |
1176 | connector_count++; | |
1177 | ||
1178 | list_for_each(lh, &dev->mode_config.encoder_list) | |
1179 | encoder_count++; | |
1180 | } else { | |
1181 | ||
1182 | crtc_count = mode_group->num_crtcs; | |
1183 | connector_count = mode_group->num_connectors; | |
1184 | encoder_count = mode_group->num_encoders; | |
1185 | } | |
1186 | ||
1187 | card_res->max_height = dev->mode_config.max_height; | |
1188 | card_res->min_height = dev->mode_config.min_height; | |
1189 | card_res->max_width = dev->mode_config.max_width; | |
1190 | card_res->min_width = dev->mode_config.min_width; | |
1191 | ||
1192 | /* handle this in 4 parts */ | |
1193 | /* FBs */ | |
1194 | if (card_res->count_fbs >= fb_count) { | |
1195 | copied = 0; | |
1196 | fb_id = (uint32_t __user *)(unsigned long)card_res->fb_id_ptr; | |
618c75e4 | 1197 | list_for_each_entry(fb, &file_priv->fbs, filp_head) { |
f453ba04 DA |
1198 | if (put_user(fb->base.id, fb_id + copied)) { |
1199 | ret = -EFAULT; | |
1200 | goto out; | |
1201 | } | |
1202 | copied++; | |
1203 | } | |
1204 | } | |
1205 | card_res->count_fbs = fb_count; | |
1206 | ||
1207 | /* CRTCs */ | |
1208 | if (card_res->count_crtcs >= crtc_count) { | |
1209 | copied = 0; | |
1210 | crtc_id = (uint32_t __user *)(unsigned long)card_res->crtc_id_ptr; | |
1211 | if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { | |
1212 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, | |
1213 | head) { | |
9440106b | 1214 | DRM_DEBUG_KMS("[CRTC:%d]\n", crtc->base.id); |
f453ba04 DA |
1215 | if (put_user(crtc->base.id, crtc_id + copied)) { |
1216 | ret = -EFAULT; | |
1217 | goto out; | |
1218 | } | |
1219 | copied++; | |
1220 | } | |
1221 | } else { | |
1222 | for (i = 0; i < mode_group->num_crtcs; i++) { | |
1223 | if (put_user(mode_group->id_list[i], | |
1224 | crtc_id + copied)) { | |
1225 | ret = -EFAULT; | |
1226 | goto out; | |
1227 | } | |
1228 | copied++; | |
1229 | } | |
1230 | } | |
1231 | } | |
1232 | card_res->count_crtcs = crtc_count; | |
1233 | ||
1234 | /* Encoders */ | |
1235 | if (card_res->count_encoders >= encoder_count) { | |
1236 | copied = 0; | |
1237 | encoder_id = (uint32_t __user *)(unsigned long)card_res->encoder_id_ptr; | |
1238 | if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { | |
1239 | list_for_each_entry(encoder, | |
1240 | &dev->mode_config.encoder_list, | |
1241 | head) { | |
9440106b JG |
1242 | DRM_DEBUG_KMS("[ENCODER:%d:%s]\n", encoder->base.id, |
1243 | drm_get_encoder_name(encoder)); | |
f453ba04 DA |
1244 | if (put_user(encoder->base.id, encoder_id + |
1245 | copied)) { | |
1246 | ret = -EFAULT; | |
1247 | goto out; | |
1248 | } | |
1249 | copied++; | |
1250 | } | |
1251 | } else { | |
1252 | for (i = mode_group->num_crtcs; i < mode_group->num_crtcs + mode_group->num_encoders; i++) { | |
1253 | if (put_user(mode_group->id_list[i], | |
1254 | encoder_id + copied)) { | |
1255 | ret = -EFAULT; | |
1256 | goto out; | |
1257 | } | |
1258 | copied++; | |
1259 | } | |
1260 | ||
1261 | } | |
1262 | } | |
1263 | card_res->count_encoders = encoder_count; | |
1264 | ||
1265 | /* Connectors */ | |
1266 | if (card_res->count_connectors >= connector_count) { | |
1267 | copied = 0; | |
1268 | connector_id = (uint32_t __user *)(unsigned long)card_res->connector_id_ptr; | |
1269 | if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { | |
1270 | list_for_each_entry(connector, | |
1271 | &dev->mode_config.connector_list, | |
1272 | head) { | |
9440106b JG |
1273 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", |
1274 | connector->base.id, | |
1275 | drm_get_connector_name(connector)); | |
f453ba04 DA |
1276 | if (put_user(connector->base.id, |
1277 | connector_id + copied)) { | |
1278 | ret = -EFAULT; | |
1279 | goto out; | |
1280 | } | |
1281 | copied++; | |
1282 | } | |
1283 | } else { | |
1284 | int start = mode_group->num_crtcs + | |
1285 | mode_group->num_encoders; | |
1286 | for (i = start; i < start + mode_group->num_connectors; i++) { | |
1287 | if (put_user(mode_group->id_list[i], | |
1288 | connector_id + copied)) { | |
1289 | ret = -EFAULT; | |
1290 | goto out; | |
1291 | } | |
1292 | copied++; | |
1293 | } | |
1294 | } | |
1295 | } | |
1296 | card_res->count_connectors = connector_count; | |
1297 | ||
9440106b | 1298 | DRM_DEBUG_KMS("CRTC[%d] CONNECTORS[%d] ENCODERS[%d]\n", card_res->count_crtcs, |
f453ba04 DA |
1299 | card_res->count_connectors, card_res->count_encoders); |
1300 | ||
1301 | out: | |
1302 | mutex_unlock(&dev->mode_config.mutex); | |
1303 | return ret; | |
1304 | } | |
1305 | ||
1306 | /** | |
1307 | * drm_mode_getcrtc - get CRTC configuration | |
1308 | * @inode: inode from the ioctl | |
1309 | * @filp: file * from the ioctl | |
1310 | * @cmd: cmd from ioctl | |
1311 | * @arg: arg from ioctl | |
1312 | * | |
1313 | * LOCKING: | |
1314 | * Caller? (FIXME) | |
1315 | * | |
1316 | * Construct a CRTC configuration structure to return to the user. | |
1317 | * | |
1318 | * Called by the user via ioctl. | |
1319 | * | |
1320 | * RETURNS: | |
1321 | * Zero on success, errno on failure. | |
1322 | */ | |
1323 | int drm_mode_getcrtc(struct drm_device *dev, | |
1324 | void *data, struct drm_file *file_priv) | |
1325 | { | |
1326 | struct drm_mode_crtc *crtc_resp = data; | |
1327 | struct drm_crtc *crtc; | |
1328 | struct drm_mode_object *obj; | |
1329 | int ret = 0; | |
1330 | ||
fb3b06c8 DA |
1331 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
1332 | return -EINVAL; | |
1333 | ||
f453ba04 DA |
1334 | mutex_lock(&dev->mode_config.mutex); |
1335 | ||
1336 | obj = drm_mode_object_find(dev, crtc_resp->crtc_id, | |
1337 | DRM_MODE_OBJECT_CRTC); | |
1338 | if (!obj) { | |
1339 | ret = -EINVAL; | |
1340 | goto out; | |
1341 | } | |
1342 | crtc = obj_to_crtc(obj); | |
1343 | ||
1344 | crtc_resp->x = crtc->x; | |
1345 | crtc_resp->y = crtc->y; | |
1346 | crtc_resp->gamma_size = crtc->gamma_size; | |
1347 | if (crtc->fb) | |
1348 | crtc_resp->fb_id = crtc->fb->base.id; | |
1349 | else | |
1350 | crtc_resp->fb_id = 0; | |
1351 | ||
1352 | if (crtc->enabled) { | |
1353 | ||
1354 | drm_crtc_convert_to_umode(&crtc_resp->mode, &crtc->mode); | |
1355 | crtc_resp->mode_valid = 1; | |
1356 | ||
1357 | } else { | |
1358 | crtc_resp->mode_valid = 0; | |
1359 | } | |
1360 | ||
1361 | out: | |
1362 | mutex_unlock(&dev->mode_config.mutex); | |
1363 | return ret; | |
1364 | } | |
1365 | ||
1366 | /** | |
1367 | * drm_mode_getconnector - get connector configuration | |
1368 | * @inode: inode from the ioctl | |
1369 | * @filp: file * from the ioctl | |
1370 | * @cmd: cmd from ioctl | |
1371 | * @arg: arg from ioctl | |
1372 | * | |
1373 | * LOCKING: | |
1374 | * Caller? (FIXME) | |
1375 | * | |
1376 | * Construct a connector configuration structure to return to the user. | |
1377 | * | |
1378 | * Called by the user via ioctl. | |
1379 | * | |
1380 | * RETURNS: | |
1381 | * Zero on success, errno on failure. | |
1382 | */ | |
1383 | int drm_mode_getconnector(struct drm_device *dev, void *data, | |
1384 | struct drm_file *file_priv) | |
1385 | { | |
1386 | struct drm_mode_get_connector *out_resp = data; | |
1387 | struct drm_mode_object *obj; | |
1388 | struct drm_connector *connector; | |
1389 | struct drm_display_mode *mode; | |
1390 | int mode_count = 0; | |
1391 | int props_count = 0; | |
1392 | int encoders_count = 0; | |
1393 | int ret = 0; | |
1394 | int copied = 0; | |
1395 | int i; | |
1396 | struct drm_mode_modeinfo u_mode; | |
1397 | struct drm_mode_modeinfo __user *mode_ptr; | |
1398 | uint32_t __user *prop_ptr; | |
1399 | uint64_t __user *prop_values; | |
1400 | uint32_t __user *encoder_ptr; | |
1401 | ||
fb3b06c8 DA |
1402 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
1403 | return -EINVAL; | |
1404 | ||
f453ba04 DA |
1405 | memset(&u_mode, 0, sizeof(struct drm_mode_modeinfo)); |
1406 | ||
9440106b | 1407 | DRM_DEBUG_KMS("[CONNECTOR:%d:?]\n", out_resp->connector_id); |
f453ba04 DA |
1408 | |
1409 | mutex_lock(&dev->mode_config.mutex); | |
1410 | ||
1411 | obj = drm_mode_object_find(dev, out_resp->connector_id, | |
1412 | DRM_MODE_OBJECT_CONNECTOR); | |
1413 | if (!obj) { | |
1414 | ret = -EINVAL; | |
1415 | goto out; | |
1416 | } | |
1417 | connector = obj_to_connector(obj); | |
1418 | ||
1419 | for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) { | |
1420 | if (connector->property_ids[i] != 0) { | |
1421 | props_count++; | |
1422 | } | |
1423 | } | |
1424 | ||
1425 | for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { | |
1426 | if (connector->encoder_ids[i] != 0) { | |
1427 | encoders_count++; | |
1428 | } | |
1429 | } | |
1430 | ||
1431 | if (out_resp->count_modes == 0) { | |
1432 | connector->funcs->fill_modes(connector, | |
1433 | dev->mode_config.max_width, | |
1434 | dev->mode_config.max_height); | |
1435 | } | |
1436 | ||
1437 | /* delayed so we get modes regardless of pre-fill_modes state */ | |
1438 | list_for_each_entry(mode, &connector->modes, head) | |
1439 | mode_count++; | |
1440 | ||
1441 | out_resp->connector_id = connector->base.id; | |
1442 | out_resp->connector_type = connector->connector_type; | |
1443 | out_resp->connector_type_id = connector->connector_type_id; | |
1444 | out_resp->mm_width = connector->display_info.width_mm; | |
1445 | out_resp->mm_height = connector->display_info.height_mm; | |
1446 | out_resp->subpixel = connector->display_info.subpixel_order; | |
1447 | out_resp->connection = connector->status; | |
1448 | if (connector->encoder) | |
1449 | out_resp->encoder_id = connector->encoder->base.id; | |
1450 | else | |
1451 | out_resp->encoder_id = 0; | |
1452 | ||
1453 | /* | |
1454 | * This ioctl is called twice, once to determine how much space is | |
1455 | * needed, and the 2nd time to fill it. | |
1456 | */ | |
1457 | if ((out_resp->count_modes >= mode_count) && mode_count) { | |
1458 | copied = 0; | |
81f6c7f8 | 1459 | mode_ptr = (struct drm_mode_modeinfo __user *)(unsigned long)out_resp->modes_ptr; |
f453ba04 DA |
1460 | list_for_each_entry(mode, &connector->modes, head) { |
1461 | drm_crtc_convert_to_umode(&u_mode, mode); | |
1462 | if (copy_to_user(mode_ptr + copied, | |
1463 | &u_mode, sizeof(u_mode))) { | |
1464 | ret = -EFAULT; | |
1465 | goto out; | |
1466 | } | |
1467 | copied++; | |
1468 | } | |
1469 | } | |
1470 | out_resp->count_modes = mode_count; | |
1471 | ||
1472 | if ((out_resp->count_props >= props_count) && props_count) { | |
1473 | copied = 0; | |
81f6c7f8 VS |
1474 | prop_ptr = (uint32_t __user *)(unsigned long)(out_resp->props_ptr); |
1475 | prop_values = (uint64_t __user *)(unsigned long)(out_resp->prop_values_ptr); | |
f453ba04 DA |
1476 | for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) { |
1477 | if (connector->property_ids[i] != 0) { | |
1478 | if (put_user(connector->property_ids[i], | |
1479 | prop_ptr + copied)) { | |
1480 | ret = -EFAULT; | |
1481 | goto out; | |
1482 | } | |
1483 | ||
1484 | if (put_user(connector->property_values[i], | |
1485 | prop_values + copied)) { | |
1486 | ret = -EFAULT; | |
1487 | goto out; | |
1488 | } | |
1489 | copied++; | |
1490 | } | |
1491 | } | |
1492 | } | |
1493 | out_resp->count_props = props_count; | |
1494 | ||
1495 | if ((out_resp->count_encoders >= encoders_count) && encoders_count) { | |
1496 | copied = 0; | |
81f6c7f8 | 1497 | encoder_ptr = (uint32_t __user *)(unsigned long)(out_resp->encoders_ptr); |
f453ba04 DA |
1498 | for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { |
1499 | if (connector->encoder_ids[i] != 0) { | |
1500 | if (put_user(connector->encoder_ids[i], | |
1501 | encoder_ptr + copied)) { | |
1502 | ret = -EFAULT; | |
1503 | goto out; | |
1504 | } | |
1505 | copied++; | |
1506 | } | |
1507 | } | |
1508 | } | |
1509 | out_resp->count_encoders = encoders_count; | |
1510 | ||
1511 | out: | |
1512 | mutex_unlock(&dev->mode_config.mutex); | |
1513 | return ret; | |
1514 | } | |
1515 | ||
1516 | int drm_mode_getencoder(struct drm_device *dev, void *data, | |
1517 | struct drm_file *file_priv) | |
1518 | { | |
1519 | struct drm_mode_get_encoder *enc_resp = data; | |
1520 | struct drm_mode_object *obj; | |
1521 | struct drm_encoder *encoder; | |
1522 | int ret = 0; | |
1523 | ||
fb3b06c8 DA |
1524 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
1525 | return -EINVAL; | |
1526 | ||
f453ba04 DA |
1527 | mutex_lock(&dev->mode_config.mutex); |
1528 | obj = drm_mode_object_find(dev, enc_resp->encoder_id, | |
1529 | DRM_MODE_OBJECT_ENCODER); | |
1530 | if (!obj) { | |
1531 | ret = -EINVAL; | |
1532 | goto out; | |
1533 | } | |
1534 | encoder = obj_to_encoder(obj); | |
1535 | ||
1536 | if (encoder->crtc) | |
1537 | enc_resp->crtc_id = encoder->crtc->base.id; | |
1538 | else | |
1539 | enc_resp->crtc_id = 0; | |
1540 | enc_resp->encoder_type = encoder->encoder_type; | |
1541 | enc_resp->encoder_id = encoder->base.id; | |
1542 | enc_resp->possible_crtcs = encoder->possible_crtcs; | |
1543 | enc_resp->possible_clones = encoder->possible_clones; | |
1544 | ||
1545 | out: | |
1546 | mutex_unlock(&dev->mode_config.mutex); | |
1547 | return ret; | |
1548 | } | |
1549 | ||
8cf5c917 JB |
1550 | /** |
1551 | * drm_mode_getplane_res - get plane info | |
1552 | * @dev: DRM device | |
1553 | * @data: ioctl data | |
1554 | * @file_priv: DRM file info | |
1555 | * | |
1556 | * Return an plane count and set of IDs. | |
1557 | */ | |
1558 | int drm_mode_getplane_res(struct drm_device *dev, void *data, | |
1559 | struct drm_file *file_priv) | |
1560 | { | |
1561 | struct drm_mode_get_plane_res *plane_resp = data; | |
1562 | struct drm_mode_config *config; | |
1563 | struct drm_plane *plane; | |
1564 | uint32_t __user *plane_ptr; | |
1565 | int copied = 0, ret = 0; | |
1566 | ||
1567 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) | |
1568 | return -EINVAL; | |
1569 | ||
1570 | mutex_lock(&dev->mode_config.mutex); | |
1571 | config = &dev->mode_config; | |
1572 | ||
1573 | /* | |
1574 | * This ioctl is called twice, once to determine how much space is | |
1575 | * needed, and the 2nd time to fill it. | |
1576 | */ | |
1577 | if (config->num_plane && | |
1578 | (plane_resp->count_planes >= config->num_plane)) { | |
81f6c7f8 | 1579 | plane_ptr = (uint32_t __user *)(unsigned long)plane_resp->plane_id_ptr; |
8cf5c917 JB |
1580 | |
1581 | list_for_each_entry(plane, &config->plane_list, head) { | |
1582 | if (put_user(plane->base.id, plane_ptr + copied)) { | |
1583 | ret = -EFAULT; | |
1584 | goto out; | |
1585 | } | |
1586 | copied++; | |
1587 | } | |
1588 | } | |
1589 | plane_resp->count_planes = config->num_plane; | |
1590 | ||
1591 | out: | |
1592 | mutex_unlock(&dev->mode_config.mutex); | |
1593 | return ret; | |
1594 | } | |
1595 | ||
1596 | /** | |
1597 | * drm_mode_getplane - get plane info | |
1598 | * @dev: DRM device | |
1599 | * @data: ioctl data | |
1600 | * @file_priv: DRM file info | |
1601 | * | |
1602 | * Return plane info, including formats supported, gamma size, any | |
1603 | * current fb, etc. | |
1604 | */ | |
1605 | int drm_mode_getplane(struct drm_device *dev, void *data, | |
1606 | struct drm_file *file_priv) | |
1607 | { | |
1608 | struct drm_mode_get_plane *plane_resp = data; | |
1609 | struct drm_mode_object *obj; | |
1610 | struct drm_plane *plane; | |
1611 | uint32_t __user *format_ptr; | |
1612 | int ret = 0; | |
1613 | ||
1614 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) | |
1615 | return -EINVAL; | |
1616 | ||
1617 | mutex_lock(&dev->mode_config.mutex); | |
1618 | obj = drm_mode_object_find(dev, plane_resp->plane_id, | |
1619 | DRM_MODE_OBJECT_PLANE); | |
1620 | if (!obj) { | |
1621 | ret = -ENOENT; | |
1622 | goto out; | |
1623 | } | |
1624 | plane = obj_to_plane(obj); | |
1625 | ||
1626 | if (plane->crtc) | |
1627 | plane_resp->crtc_id = plane->crtc->base.id; | |
1628 | else | |
1629 | plane_resp->crtc_id = 0; | |
1630 | ||
1631 | if (plane->fb) | |
1632 | plane_resp->fb_id = plane->fb->base.id; | |
1633 | else | |
1634 | plane_resp->fb_id = 0; | |
1635 | ||
1636 | plane_resp->plane_id = plane->base.id; | |
1637 | plane_resp->possible_crtcs = plane->possible_crtcs; | |
1638 | plane_resp->gamma_size = plane->gamma_size; | |
1639 | ||
1640 | /* | |
1641 | * This ioctl is called twice, once to determine how much space is | |
1642 | * needed, and the 2nd time to fill it. | |
1643 | */ | |
1644 | if (plane->format_count && | |
1645 | (plane_resp->count_format_types >= plane->format_count)) { | |
81f6c7f8 | 1646 | format_ptr = (uint32_t __user *)(unsigned long)plane_resp->format_type_ptr; |
8cf5c917 JB |
1647 | if (copy_to_user(format_ptr, |
1648 | plane->format_types, | |
1649 | sizeof(uint32_t) * plane->format_count)) { | |
1650 | ret = -EFAULT; | |
1651 | goto out; | |
1652 | } | |
1653 | } | |
1654 | plane_resp->count_format_types = plane->format_count; | |
1655 | ||
1656 | out: | |
1657 | mutex_unlock(&dev->mode_config.mutex); | |
1658 | return ret; | |
1659 | } | |
1660 | ||
1661 | /** | |
1662 | * drm_mode_setplane - set up or tear down an plane | |
1663 | * @dev: DRM device | |
1664 | * @data: ioctl data* | |
1665 | * @file_prive: DRM file info | |
1666 | * | |
1667 | * Set plane info, including placement, fb, scaling, and other factors. | |
1668 | * Or pass a NULL fb to disable. | |
1669 | */ | |
1670 | int drm_mode_setplane(struct drm_device *dev, void *data, | |
1671 | struct drm_file *file_priv) | |
1672 | { | |
1673 | struct drm_mode_set_plane *plane_req = data; | |
1674 | struct drm_mode_object *obj; | |
1675 | struct drm_plane *plane; | |
1676 | struct drm_crtc *crtc; | |
1677 | struct drm_framebuffer *fb; | |
1678 | int ret = 0; | |
42ef8789 | 1679 | unsigned int fb_width, fb_height; |
62443be6 | 1680 | int i; |
8cf5c917 JB |
1681 | |
1682 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) | |
1683 | return -EINVAL; | |
1684 | ||
1685 | mutex_lock(&dev->mode_config.mutex); | |
1686 | ||
1687 | /* | |
1688 | * First, find the plane, crtc, and fb objects. If not available, | |
1689 | * we don't bother to call the driver. | |
1690 | */ | |
1691 | obj = drm_mode_object_find(dev, plane_req->plane_id, | |
1692 | DRM_MODE_OBJECT_PLANE); | |
1693 | if (!obj) { | |
1694 | DRM_DEBUG_KMS("Unknown plane ID %d\n", | |
1695 | plane_req->plane_id); | |
1696 | ret = -ENOENT; | |
1697 | goto out; | |
1698 | } | |
1699 | plane = obj_to_plane(obj); | |
1700 | ||
1701 | /* No fb means shut it down */ | |
1702 | if (!plane_req->fb_id) { | |
1703 | plane->funcs->disable_plane(plane); | |
e5e3b44c VS |
1704 | plane->crtc = NULL; |
1705 | plane->fb = NULL; | |
8cf5c917 JB |
1706 | goto out; |
1707 | } | |
1708 | ||
1709 | obj = drm_mode_object_find(dev, plane_req->crtc_id, | |
1710 | DRM_MODE_OBJECT_CRTC); | |
1711 | if (!obj) { | |
1712 | DRM_DEBUG_KMS("Unknown crtc ID %d\n", | |
1713 | plane_req->crtc_id); | |
1714 | ret = -ENOENT; | |
1715 | goto out; | |
1716 | } | |
1717 | crtc = obj_to_crtc(obj); | |
1718 | ||
1719 | obj = drm_mode_object_find(dev, plane_req->fb_id, | |
1720 | DRM_MODE_OBJECT_FB); | |
1721 | if (!obj) { | |
1722 | DRM_DEBUG_KMS("Unknown framebuffer ID %d\n", | |
1723 | plane_req->fb_id); | |
1724 | ret = -ENOENT; | |
1725 | goto out; | |
1726 | } | |
1727 | fb = obj_to_fb(obj); | |
1728 | ||
62443be6 VS |
1729 | /* Check whether this plane supports the fb pixel format. */ |
1730 | for (i = 0; i < plane->format_count; i++) | |
1731 | if (fb->pixel_format == plane->format_types[i]) | |
1732 | break; | |
1733 | if (i == plane->format_count) { | |
1734 | DRM_DEBUG_KMS("Invalid pixel format 0x%08x\n", fb->pixel_format); | |
1735 | ret = -EINVAL; | |
1736 | goto out; | |
1737 | } | |
1738 | ||
42ef8789 VS |
1739 | fb_width = fb->width << 16; |
1740 | fb_height = fb->height << 16; | |
1741 | ||
1742 | /* Make sure source coordinates are inside the fb. */ | |
1743 | if (plane_req->src_w > fb_width || | |
1744 | plane_req->src_x > fb_width - plane_req->src_w || | |
1745 | plane_req->src_h > fb_height || | |
1746 | plane_req->src_y > fb_height - plane_req->src_h) { | |
1747 | DRM_DEBUG_KMS("Invalid source coordinates " | |
1748 | "%u.%06ux%u.%06u+%u.%06u+%u.%06u\n", | |
1749 | plane_req->src_w >> 16, | |
1750 | ((plane_req->src_w & 0xffff) * 15625) >> 10, | |
1751 | plane_req->src_h >> 16, | |
1752 | ((plane_req->src_h & 0xffff) * 15625) >> 10, | |
1753 | plane_req->src_x >> 16, | |
1754 | ((plane_req->src_x & 0xffff) * 15625) >> 10, | |
1755 | plane_req->src_y >> 16, | |
1756 | ((plane_req->src_y & 0xffff) * 15625) >> 10); | |
1757 | ret = -ENOSPC; | |
1758 | goto out; | |
1759 | } | |
1760 | ||
687a0400 VS |
1761 | /* Give drivers some help against integer overflows */ |
1762 | if (plane_req->crtc_w > INT_MAX || | |
1763 | plane_req->crtc_x > INT_MAX - (int32_t) plane_req->crtc_w || | |
1764 | plane_req->crtc_h > INT_MAX || | |
1765 | plane_req->crtc_y > INT_MAX - (int32_t) plane_req->crtc_h) { | |
1766 | DRM_DEBUG_KMS("Invalid CRTC coordinates %ux%u+%d+%d\n", | |
1767 | plane_req->crtc_w, plane_req->crtc_h, | |
1768 | plane_req->crtc_x, plane_req->crtc_y); | |
1769 | ret = -ERANGE; | |
1770 | goto out; | |
1771 | } | |
1772 | ||
8cf5c917 JB |
1773 | ret = plane->funcs->update_plane(plane, crtc, fb, |
1774 | plane_req->crtc_x, plane_req->crtc_y, | |
1775 | plane_req->crtc_w, plane_req->crtc_h, | |
1776 | plane_req->src_x, plane_req->src_y, | |
1777 | plane_req->src_w, plane_req->src_h); | |
1778 | if (!ret) { | |
1779 | plane->crtc = crtc; | |
1780 | plane->fb = fb; | |
1781 | } | |
1782 | ||
1783 | out: | |
1784 | mutex_unlock(&dev->mode_config.mutex); | |
1785 | ||
1786 | return ret; | |
1787 | } | |
1788 | ||
f453ba04 DA |
1789 | /** |
1790 | * drm_mode_setcrtc - set CRTC configuration | |
1791 | * @inode: inode from the ioctl | |
1792 | * @filp: file * from the ioctl | |
1793 | * @cmd: cmd from ioctl | |
1794 | * @arg: arg from ioctl | |
1795 | * | |
1796 | * LOCKING: | |
1797 | * Caller? (FIXME) | |
1798 | * | |
1799 | * Build a new CRTC configuration based on user request. | |
1800 | * | |
1801 | * Called by the user via ioctl. | |
1802 | * | |
1803 | * RETURNS: | |
1804 | * Zero on success, errno on failure. | |
1805 | */ | |
1806 | int drm_mode_setcrtc(struct drm_device *dev, void *data, | |
1807 | struct drm_file *file_priv) | |
1808 | { | |
1809 | struct drm_mode_config *config = &dev->mode_config; | |
1810 | struct drm_mode_crtc *crtc_req = data; | |
1811 | struct drm_mode_object *obj; | |
1812 | struct drm_crtc *crtc, *crtcfb; | |
1813 | struct drm_connector **connector_set = NULL, *connector; | |
1814 | struct drm_framebuffer *fb = NULL; | |
1815 | struct drm_display_mode *mode = NULL; | |
1816 | struct drm_mode_set set; | |
1817 | uint32_t __user *set_connectors_ptr; | |
1818 | int ret = 0; | |
1819 | int i; | |
1820 | ||
fb3b06c8 DA |
1821 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
1822 | return -EINVAL; | |
1823 | ||
f453ba04 DA |
1824 | mutex_lock(&dev->mode_config.mutex); |
1825 | obj = drm_mode_object_find(dev, crtc_req->crtc_id, | |
1826 | DRM_MODE_OBJECT_CRTC); | |
1827 | if (!obj) { | |
58367ed6 | 1828 | DRM_DEBUG_KMS("Unknown CRTC ID %d\n", crtc_req->crtc_id); |
f453ba04 DA |
1829 | ret = -EINVAL; |
1830 | goto out; | |
1831 | } | |
1832 | crtc = obj_to_crtc(obj); | |
9440106b | 1833 | DRM_DEBUG_KMS("[CRTC:%d]\n", crtc->base.id); |
f453ba04 DA |
1834 | |
1835 | if (crtc_req->mode_valid) { | |
1836 | /* If we have a mode we need a framebuffer. */ | |
1837 | /* If we pass -1, set the mode with the currently bound fb */ | |
1838 | if (crtc_req->fb_id == -1) { | |
1839 | list_for_each_entry(crtcfb, | |
1840 | &dev->mode_config.crtc_list, head) { | |
1841 | if (crtcfb == crtc) { | |
58367ed6 ZY |
1842 | DRM_DEBUG_KMS("Using current fb for " |
1843 | "setmode\n"); | |
f453ba04 DA |
1844 | fb = crtc->fb; |
1845 | } | |
1846 | } | |
1847 | } else { | |
1848 | obj = drm_mode_object_find(dev, crtc_req->fb_id, | |
1849 | DRM_MODE_OBJECT_FB); | |
1850 | if (!obj) { | |
58367ed6 ZY |
1851 | DRM_DEBUG_KMS("Unknown FB ID%d\n", |
1852 | crtc_req->fb_id); | |
f453ba04 DA |
1853 | ret = -EINVAL; |
1854 | goto out; | |
1855 | } | |
1856 | fb = obj_to_fb(obj); | |
1857 | } | |
1858 | ||
1859 | mode = drm_mode_create(dev); | |
1860 | drm_crtc_convert_umode(mode, &crtc_req->mode); | |
1861 | drm_mode_set_crtcinfo(mode, CRTC_INTERLACE_HALVE_V); | |
1862 | } | |
1863 | ||
1864 | if (crtc_req->count_connectors == 0 && mode) { | |
58367ed6 | 1865 | DRM_DEBUG_KMS("Count connectors is 0 but mode set\n"); |
f453ba04 DA |
1866 | ret = -EINVAL; |
1867 | goto out; | |
1868 | } | |
1869 | ||
7781de74 | 1870 | if (crtc_req->count_connectors > 0 && (!mode || !fb)) { |
58367ed6 | 1871 | DRM_DEBUG_KMS("Count connectors is %d but no mode or fb set\n", |
f453ba04 DA |
1872 | crtc_req->count_connectors); |
1873 | ret = -EINVAL; | |
1874 | goto out; | |
1875 | } | |
1876 | ||
1877 | if (crtc_req->count_connectors > 0) { | |
1878 | u32 out_id; | |
1879 | ||
1880 | /* Avoid unbounded kernel memory allocation */ | |
1881 | if (crtc_req->count_connectors > config->num_connector) { | |
1882 | ret = -EINVAL; | |
1883 | goto out; | |
1884 | } | |
1885 | ||
1886 | connector_set = kmalloc(crtc_req->count_connectors * | |
1887 | sizeof(struct drm_connector *), | |
1888 | GFP_KERNEL); | |
1889 | if (!connector_set) { | |
1890 | ret = -ENOMEM; | |
1891 | goto out; | |
1892 | } | |
1893 | ||
1894 | for (i = 0; i < crtc_req->count_connectors; i++) { | |
81f6c7f8 | 1895 | set_connectors_ptr = (uint32_t __user *)(unsigned long)crtc_req->set_connectors_ptr; |
f453ba04 DA |
1896 | if (get_user(out_id, &set_connectors_ptr[i])) { |
1897 | ret = -EFAULT; | |
1898 | goto out; | |
1899 | } | |
1900 | ||
1901 | obj = drm_mode_object_find(dev, out_id, | |
1902 | DRM_MODE_OBJECT_CONNECTOR); | |
1903 | if (!obj) { | |
58367ed6 ZY |
1904 | DRM_DEBUG_KMS("Connector id %d unknown\n", |
1905 | out_id); | |
f453ba04 DA |
1906 | ret = -EINVAL; |
1907 | goto out; | |
1908 | } | |
1909 | connector = obj_to_connector(obj); | |
9440106b JG |
1910 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", |
1911 | connector->base.id, | |
1912 | drm_get_connector_name(connector)); | |
f453ba04 DA |
1913 | |
1914 | connector_set[i] = connector; | |
1915 | } | |
1916 | } | |
1917 | ||
1918 | set.crtc = crtc; | |
1919 | set.x = crtc_req->x; | |
1920 | set.y = crtc_req->y; | |
1921 | set.mode = mode; | |
1922 | set.connectors = connector_set; | |
1923 | set.num_connectors = crtc_req->count_connectors; | |
5ef5f72f | 1924 | set.fb = fb; |
f453ba04 DA |
1925 | ret = crtc->funcs->set_config(&set); |
1926 | ||
1927 | out: | |
1928 | kfree(connector_set); | |
1929 | mutex_unlock(&dev->mode_config.mutex); | |
1930 | return ret; | |
1931 | } | |
1932 | ||
1933 | int drm_mode_cursor_ioctl(struct drm_device *dev, | |
1934 | void *data, struct drm_file *file_priv) | |
1935 | { | |
1936 | struct drm_mode_cursor *req = data; | |
1937 | struct drm_mode_object *obj; | |
1938 | struct drm_crtc *crtc; | |
1939 | int ret = 0; | |
1940 | ||
fb3b06c8 DA |
1941 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
1942 | return -EINVAL; | |
1943 | ||
acb4b992 | 1944 | if (!req->flags) |
f453ba04 | 1945 | return -EINVAL; |
f453ba04 DA |
1946 | |
1947 | mutex_lock(&dev->mode_config.mutex); | |
e0c8463a | 1948 | obj = drm_mode_object_find(dev, req->crtc_id, DRM_MODE_OBJECT_CRTC); |
f453ba04 | 1949 | if (!obj) { |
58367ed6 | 1950 | DRM_DEBUG_KMS("Unknown CRTC ID %d\n", req->crtc_id); |
f453ba04 DA |
1951 | ret = -EINVAL; |
1952 | goto out; | |
1953 | } | |
1954 | crtc = obj_to_crtc(obj); | |
1955 | ||
1956 | if (req->flags & DRM_MODE_CURSOR_BO) { | |
1957 | if (!crtc->funcs->cursor_set) { | |
f453ba04 DA |
1958 | ret = -ENXIO; |
1959 | goto out; | |
1960 | } | |
1961 | /* Turns off the cursor if handle is 0 */ | |
1962 | ret = crtc->funcs->cursor_set(crtc, file_priv, req->handle, | |
1963 | req->width, req->height); | |
1964 | } | |
1965 | ||
1966 | if (req->flags & DRM_MODE_CURSOR_MOVE) { | |
1967 | if (crtc->funcs->cursor_move) { | |
1968 | ret = crtc->funcs->cursor_move(crtc, req->x, req->y); | |
1969 | } else { | |
f453ba04 DA |
1970 | ret = -EFAULT; |
1971 | goto out; | |
1972 | } | |
1973 | } | |
1974 | out: | |
1975 | mutex_unlock(&dev->mode_config.mutex); | |
1976 | return ret; | |
1977 | } | |
1978 | ||
308e5bcb JB |
1979 | /* Original addfb only supported RGB formats, so figure out which one */ |
1980 | uint32_t drm_mode_legacy_fb_format(uint32_t bpp, uint32_t depth) | |
1981 | { | |
1982 | uint32_t fmt; | |
1983 | ||
1984 | switch (bpp) { | |
1985 | case 8: | |
04b3924d | 1986 | fmt = DRM_FORMAT_RGB332; |
308e5bcb JB |
1987 | break; |
1988 | case 16: | |
1989 | if (depth == 15) | |
04b3924d | 1990 | fmt = DRM_FORMAT_XRGB1555; |
308e5bcb | 1991 | else |
04b3924d | 1992 | fmt = DRM_FORMAT_RGB565; |
308e5bcb JB |
1993 | break; |
1994 | case 24: | |
04b3924d | 1995 | fmt = DRM_FORMAT_RGB888; |
308e5bcb JB |
1996 | break; |
1997 | case 32: | |
1998 | if (depth == 24) | |
04b3924d | 1999 | fmt = DRM_FORMAT_XRGB8888; |
308e5bcb | 2000 | else if (depth == 30) |
04b3924d | 2001 | fmt = DRM_FORMAT_XRGB2101010; |
308e5bcb | 2002 | else |
04b3924d | 2003 | fmt = DRM_FORMAT_ARGB8888; |
308e5bcb JB |
2004 | break; |
2005 | default: | |
04b3924d VS |
2006 | DRM_ERROR("bad bpp, assuming x8r8g8b8 pixel format\n"); |
2007 | fmt = DRM_FORMAT_XRGB8888; | |
308e5bcb JB |
2008 | break; |
2009 | } | |
2010 | ||
2011 | return fmt; | |
2012 | } | |
2013 | EXPORT_SYMBOL(drm_mode_legacy_fb_format); | |
2014 | ||
f453ba04 DA |
2015 | /** |
2016 | * drm_mode_addfb - add an FB to the graphics configuration | |
2017 | * @inode: inode from the ioctl | |
2018 | * @filp: file * from the ioctl | |
2019 | * @cmd: cmd from ioctl | |
2020 | * @arg: arg from ioctl | |
2021 | * | |
2022 | * LOCKING: | |
2023 | * Takes mode config lock. | |
2024 | * | |
2025 | * Add a new FB to the specified CRTC, given a user request. | |
2026 | * | |
2027 | * Called by the user via ioctl. | |
2028 | * | |
2029 | * RETURNS: | |
2030 | * Zero on success, errno on failure. | |
2031 | */ | |
2032 | int drm_mode_addfb(struct drm_device *dev, | |
2033 | void *data, struct drm_file *file_priv) | |
2034 | { | |
308e5bcb JB |
2035 | struct drm_mode_fb_cmd *or = data; |
2036 | struct drm_mode_fb_cmd2 r = {}; | |
2037 | struct drm_mode_config *config = &dev->mode_config; | |
2038 | struct drm_framebuffer *fb; | |
2039 | int ret = 0; | |
2040 | ||
2041 | /* Use new struct with format internally */ | |
2042 | r.fb_id = or->fb_id; | |
2043 | r.width = or->width; | |
2044 | r.height = or->height; | |
2045 | r.pitches[0] = or->pitch; | |
2046 | r.pixel_format = drm_mode_legacy_fb_format(or->bpp, or->depth); | |
2047 | r.handles[0] = or->handle; | |
2048 | ||
2049 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) | |
2050 | return -EINVAL; | |
2051 | ||
acb4b992 | 2052 | if ((config->min_width > r.width) || (r.width > config->max_width)) |
308e5bcb | 2053 | return -EINVAL; |
acb4b992 JB |
2054 | |
2055 | if ((config->min_height > r.height) || (r.height > config->max_height)) | |
308e5bcb | 2056 | return -EINVAL; |
308e5bcb JB |
2057 | |
2058 | mutex_lock(&dev->mode_config.mutex); | |
2059 | ||
2060 | /* TODO check buffer is sufficiently large */ | |
2061 | /* TODO setup destructor callback */ | |
2062 | ||
2063 | fb = dev->mode_config.funcs->fb_create(dev, file_priv, &r); | |
2064 | if (IS_ERR(fb)) { | |
2065 | DRM_ERROR("could not create framebuffer\n"); | |
2066 | ret = PTR_ERR(fb); | |
2067 | goto out; | |
2068 | } | |
2069 | ||
2070 | or->fb_id = fb->base.id; | |
2071 | list_add(&fb->filp_head, &file_priv->fbs); | |
2072 | DRM_DEBUG_KMS("[FB:%d]\n", fb->base.id); | |
2073 | ||
2074 | out: | |
2075 | mutex_unlock(&dev->mode_config.mutex); | |
2076 | return ret; | |
2077 | } | |
2078 | ||
935b5977 VS |
2079 | static int format_check(struct drm_mode_fb_cmd2 *r) |
2080 | { | |
2081 | uint32_t format = r->pixel_format & ~DRM_FORMAT_BIG_ENDIAN; | |
2082 | ||
2083 | switch (format) { | |
2084 | case DRM_FORMAT_C8: | |
2085 | case DRM_FORMAT_RGB332: | |
2086 | case DRM_FORMAT_BGR233: | |
2087 | case DRM_FORMAT_XRGB4444: | |
2088 | case DRM_FORMAT_XBGR4444: | |
2089 | case DRM_FORMAT_RGBX4444: | |
2090 | case DRM_FORMAT_BGRX4444: | |
2091 | case DRM_FORMAT_ARGB4444: | |
2092 | case DRM_FORMAT_ABGR4444: | |
2093 | case DRM_FORMAT_RGBA4444: | |
2094 | case DRM_FORMAT_BGRA4444: | |
2095 | case DRM_FORMAT_XRGB1555: | |
2096 | case DRM_FORMAT_XBGR1555: | |
2097 | case DRM_FORMAT_RGBX5551: | |
2098 | case DRM_FORMAT_BGRX5551: | |
2099 | case DRM_FORMAT_ARGB1555: | |
2100 | case DRM_FORMAT_ABGR1555: | |
2101 | case DRM_FORMAT_RGBA5551: | |
2102 | case DRM_FORMAT_BGRA5551: | |
2103 | case DRM_FORMAT_RGB565: | |
2104 | case DRM_FORMAT_BGR565: | |
2105 | case DRM_FORMAT_RGB888: | |
2106 | case DRM_FORMAT_BGR888: | |
2107 | case DRM_FORMAT_XRGB8888: | |
2108 | case DRM_FORMAT_XBGR8888: | |
2109 | case DRM_FORMAT_RGBX8888: | |
2110 | case DRM_FORMAT_BGRX8888: | |
2111 | case DRM_FORMAT_ARGB8888: | |
2112 | case DRM_FORMAT_ABGR8888: | |
2113 | case DRM_FORMAT_RGBA8888: | |
2114 | case DRM_FORMAT_BGRA8888: | |
2115 | case DRM_FORMAT_XRGB2101010: | |
2116 | case DRM_FORMAT_XBGR2101010: | |
2117 | case DRM_FORMAT_RGBX1010102: | |
2118 | case DRM_FORMAT_BGRX1010102: | |
2119 | case DRM_FORMAT_ARGB2101010: | |
2120 | case DRM_FORMAT_ABGR2101010: | |
2121 | case DRM_FORMAT_RGBA1010102: | |
2122 | case DRM_FORMAT_BGRA1010102: | |
2123 | case DRM_FORMAT_YUYV: | |
2124 | case DRM_FORMAT_YVYU: | |
2125 | case DRM_FORMAT_UYVY: | |
2126 | case DRM_FORMAT_VYUY: | |
2127 | case DRM_FORMAT_AYUV: | |
2128 | case DRM_FORMAT_NV12: | |
2129 | case DRM_FORMAT_NV21: | |
2130 | case DRM_FORMAT_NV16: | |
2131 | case DRM_FORMAT_NV61: | |
2132 | case DRM_FORMAT_YUV410: | |
2133 | case DRM_FORMAT_YVU410: | |
2134 | case DRM_FORMAT_YUV411: | |
2135 | case DRM_FORMAT_YVU411: | |
2136 | case DRM_FORMAT_YUV420: | |
2137 | case DRM_FORMAT_YVU420: | |
2138 | case DRM_FORMAT_YUV422: | |
2139 | case DRM_FORMAT_YVU422: | |
2140 | case DRM_FORMAT_YUV444: | |
2141 | case DRM_FORMAT_YVU444: | |
2142 | return 0; | |
2143 | default: | |
2144 | return -EINVAL; | |
2145 | } | |
2146 | } | |
2147 | ||
308e5bcb JB |
2148 | /** |
2149 | * drm_mode_addfb2 - add an FB to the graphics configuration | |
2150 | * @inode: inode from the ioctl | |
2151 | * @filp: file * from the ioctl | |
2152 | * @cmd: cmd from ioctl | |
2153 | * @arg: arg from ioctl | |
2154 | * | |
2155 | * LOCKING: | |
2156 | * Takes mode config lock. | |
2157 | * | |
2158 | * Add a new FB to the specified CRTC, given a user request with format. | |
2159 | * | |
2160 | * Called by the user via ioctl. | |
2161 | * | |
2162 | * RETURNS: | |
2163 | * Zero on success, errno on failure. | |
2164 | */ | |
2165 | int drm_mode_addfb2(struct drm_device *dev, | |
2166 | void *data, struct drm_file *file_priv) | |
2167 | { | |
2168 | struct drm_mode_fb_cmd2 *r = data; | |
f453ba04 DA |
2169 | struct drm_mode_config *config = &dev->mode_config; |
2170 | struct drm_framebuffer *fb; | |
2171 | int ret = 0; | |
2172 | ||
fb3b06c8 DA |
2173 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2174 | return -EINVAL; | |
2175 | ||
f453ba04 | 2176 | if ((config->min_width > r->width) || (r->width > config->max_width)) { |
8cf5c917 JB |
2177 | DRM_ERROR("bad framebuffer width %d, should be >= %d && <= %d\n", |
2178 | r->width, config->min_width, config->max_width); | |
f453ba04 DA |
2179 | return -EINVAL; |
2180 | } | |
2181 | if ((config->min_height > r->height) || (r->height > config->max_height)) { | |
8cf5c917 JB |
2182 | DRM_ERROR("bad framebuffer height %d, should be >= %d && <= %d\n", |
2183 | r->height, config->min_height, config->max_height); | |
f453ba04 DA |
2184 | return -EINVAL; |
2185 | } | |
2186 | ||
935b5977 VS |
2187 | ret = format_check(r); |
2188 | if (ret) { | |
2189 | DRM_ERROR("bad framebuffer format 0x%08x\n", r->pixel_format); | |
2190 | return ret; | |
2191 | } | |
2192 | ||
f453ba04 DA |
2193 | mutex_lock(&dev->mode_config.mutex); |
2194 | ||
f453ba04 | 2195 | fb = dev->mode_config.funcs->fb_create(dev, file_priv, r); |
cce13ff7 | 2196 | if (IS_ERR(fb)) { |
f453ba04 | 2197 | DRM_ERROR("could not create framebuffer\n"); |
cce13ff7 | 2198 | ret = PTR_ERR(fb); |
f453ba04 DA |
2199 | goto out; |
2200 | } | |
2201 | ||
e0c8463a | 2202 | r->fb_id = fb->base.id; |
f453ba04 | 2203 | list_add(&fb->filp_head, &file_priv->fbs); |
9440106b | 2204 | DRM_DEBUG_KMS("[FB:%d]\n", fb->base.id); |
f453ba04 DA |
2205 | |
2206 | out: | |
2207 | mutex_unlock(&dev->mode_config.mutex); | |
2208 | return ret; | |
2209 | } | |
2210 | ||
2211 | /** | |
2212 | * drm_mode_rmfb - remove an FB from the configuration | |
2213 | * @inode: inode from the ioctl | |
2214 | * @filp: file * from the ioctl | |
2215 | * @cmd: cmd from ioctl | |
2216 | * @arg: arg from ioctl | |
2217 | * | |
2218 | * LOCKING: | |
2219 | * Takes mode config lock. | |
2220 | * | |
2221 | * Remove the FB specified by the user. | |
2222 | * | |
2223 | * Called by the user via ioctl. | |
2224 | * | |
2225 | * RETURNS: | |
2226 | * Zero on success, errno on failure. | |
2227 | */ | |
2228 | int drm_mode_rmfb(struct drm_device *dev, | |
2229 | void *data, struct drm_file *file_priv) | |
2230 | { | |
2231 | struct drm_mode_object *obj; | |
2232 | struct drm_framebuffer *fb = NULL; | |
2233 | struct drm_framebuffer *fbl = NULL; | |
2234 | uint32_t *id = data; | |
2235 | int ret = 0; | |
2236 | int found = 0; | |
2237 | ||
fb3b06c8 DA |
2238 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2239 | return -EINVAL; | |
2240 | ||
f453ba04 DA |
2241 | mutex_lock(&dev->mode_config.mutex); |
2242 | obj = drm_mode_object_find(dev, *id, DRM_MODE_OBJECT_FB); | |
25985edc | 2243 | /* TODO check that we really get a framebuffer back. */ |
f453ba04 | 2244 | if (!obj) { |
f453ba04 DA |
2245 | ret = -EINVAL; |
2246 | goto out; | |
2247 | } | |
2248 | fb = obj_to_fb(obj); | |
2249 | ||
2250 | list_for_each_entry(fbl, &file_priv->fbs, filp_head) | |
2251 | if (fb == fbl) | |
2252 | found = 1; | |
2253 | ||
2254 | if (!found) { | |
f453ba04 DA |
2255 | ret = -EINVAL; |
2256 | goto out; | |
2257 | } | |
2258 | ||
2259 | /* TODO release all crtc connected to the framebuffer */ | |
2260 | /* TODO unhock the destructor from the buffer object */ | |
2261 | ||
2262 | list_del(&fb->filp_head); | |
2263 | fb->funcs->destroy(fb); | |
2264 | ||
2265 | out: | |
2266 | mutex_unlock(&dev->mode_config.mutex); | |
2267 | return ret; | |
2268 | } | |
2269 | ||
2270 | /** | |
2271 | * drm_mode_getfb - get FB info | |
2272 | * @inode: inode from the ioctl | |
2273 | * @filp: file * from the ioctl | |
2274 | * @cmd: cmd from ioctl | |
2275 | * @arg: arg from ioctl | |
2276 | * | |
2277 | * LOCKING: | |
2278 | * Caller? (FIXME) | |
2279 | * | |
2280 | * Lookup the FB given its ID and return info about it. | |
2281 | * | |
2282 | * Called by the user via ioctl. | |
2283 | * | |
2284 | * RETURNS: | |
2285 | * Zero on success, errno on failure. | |
2286 | */ | |
2287 | int drm_mode_getfb(struct drm_device *dev, | |
2288 | void *data, struct drm_file *file_priv) | |
2289 | { | |
2290 | struct drm_mode_fb_cmd *r = data; | |
2291 | struct drm_mode_object *obj; | |
2292 | struct drm_framebuffer *fb; | |
2293 | int ret = 0; | |
2294 | ||
fb3b06c8 DA |
2295 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2296 | return -EINVAL; | |
2297 | ||
f453ba04 | 2298 | mutex_lock(&dev->mode_config.mutex); |
e0c8463a | 2299 | obj = drm_mode_object_find(dev, r->fb_id, DRM_MODE_OBJECT_FB); |
f453ba04 | 2300 | if (!obj) { |
f453ba04 DA |
2301 | ret = -EINVAL; |
2302 | goto out; | |
2303 | } | |
2304 | fb = obj_to_fb(obj); | |
2305 | ||
2306 | r->height = fb->height; | |
2307 | r->width = fb->width; | |
2308 | r->depth = fb->depth; | |
2309 | r->bpp = fb->bits_per_pixel; | |
01f2c773 | 2310 | r->pitch = fb->pitches[0]; |
f453ba04 DA |
2311 | fb->funcs->create_handle(fb, file_priv, &r->handle); |
2312 | ||
2313 | out: | |
2314 | mutex_unlock(&dev->mode_config.mutex); | |
2315 | return ret; | |
2316 | } | |
2317 | ||
884840aa JB |
2318 | int drm_mode_dirtyfb_ioctl(struct drm_device *dev, |
2319 | void *data, struct drm_file *file_priv) | |
2320 | { | |
2321 | struct drm_clip_rect __user *clips_ptr; | |
2322 | struct drm_clip_rect *clips = NULL; | |
2323 | struct drm_mode_fb_dirty_cmd *r = data; | |
2324 | struct drm_mode_object *obj; | |
2325 | struct drm_framebuffer *fb; | |
2326 | unsigned flags; | |
2327 | int num_clips; | |
2328 | int ret = 0; | |
2329 | ||
fb3b06c8 DA |
2330 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2331 | return -EINVAL; | |
2332 | ||
884840aa JB |
2333 | mutex_lock(&dev->mode_config.mutex); |
2334 | obj = drm_mode_object_find(dev, r->fb_id, DRM_MODE_OBJECT_FB); | |
2335 | if (!obj) { | |
884840aa JB |
2336 | ret = -EINVAL; |
2337 | goto out_err1; | |
2338 | } | |
2339 | fb = obj_to_fb(obj); | |
2340 | ||
2341 | num_clips = r->num_clips; | |
81f6c7f8 | 2342 | clips_ptr = (struct drm_clip_rect __user *)(unsigned long)r->clips_ptr; |
884840aa JB |
2343 | |
2344 | if (!num_clips != !clips_ptr) { | |
2345 | ret = -EINVAL; | |
2346 | goto out_err1; | |
2347 | } | |
2348 | ||
2349 | flags = DRM_MODE_FB_DIRTY_FLAGS & r->flags; | |
2350 | ||
2351 | /* If userspace annotates copy, clips must come in pairs */ | |
2352 | if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY && (num_clips % 2)) { | |
2353 | ret = -EINVAL; | |
2354 | goto out_err1; | |
2355 | } | |
2356 | ||
2357 | if (num_clips && clips_ptr) { | |
a5cd3351 XW |
2358 | if (num_clips < 0 || num_clips > DRM_MODE_FB_DIRTY_MAX_CLIPS) { |
2359 | ret = -EINVAL; | |
2360 | goto out_err1; | |
2361 | } | |
884840aa JB |
2362 | clips = kzalloc(num_clips * sizeof(*clips), GFP_KERNEL); |
2363 | if (!clips) { | |
2364 | ret = -ENOMEM; | |
2365 | goto out_err1; | |
2366 | } | |
2367 | ||
2368 | ret = copy_from_user(clips, clips_ptr, | |
2369 | num_clips * sizeof(*clips)); | |
e902a358 DC |
2370 | if (ret) { |
2371 | ret = -EFAULT; | |
884840aa | 2372 | goto out_err2; |
e902a358 | 2373 | } |
884840aa JB |
2374 | } |
2375 | ||
2376 | if (fb->funcs->dirty) { | |
02b00162 TH |
2377 | ret = fb->funcs->dirty(fb, file_priv, flags, r->color, |
2378 | clips, num_clips); | |
884840aa JB |
2379 | } else { |
2380 | ret = -ENOSYS; | |
2381 | goto out_err2; | |
2382 | } | |
2383 | ||
2384 | out_err2: | |
2385 | kfree(clips); | |
2386 | out_err1: | |
2387 | mutex_unlock(&dev->mode_config.mutex); | |
2388 | return ret; | |
2389 | } | |
2390 | ||
2391 | ||
f453ba04 DA |
2392 | /** |
2393 | * drm_fb_release - remove and free the FBs on this file | |
2394 | * @filp: file * from the ioctl | |
2395 | * | |
2396 | * LOCKING: | |
2397 | * Takes mode config lock. | |
2398 | * | |
2399 | * Destroy all the FBs associated with @filp. | |
2400 | * | |
2401 | * Called by the user via ioctl. | |
2402 | * | |
2403 | * RETURNS: | |
2404 | * Zero on success, errno on failure. | |
2405 | */ | |
ea39f835 | 2406 | void drm_fb_release(struct drm_file *priv) |
f453ba04 | 2407 | { |
f453ba04 DA |
2408 | struct drm_device *dev = priv->minor->dev; |
2409 | struct drm_framebuffer *fb, *tfb; | |
2410 | ||
2411 | mutex_lock(&dev->mode_config.mutex); | |
2412 | list_for_each_entry_safe(fb, tfb, &priv->fbs, filp_head) { | |
2413 | list_del(&fb->filp_head); | |
2414 | fb->funcs->destroy(fb); | |
2415 | } | |
2416 | mutex_unlock(&dev->mode_config.mutex); | |
2417 | } | |
2418 | ||
2419 | /** | |
2420 | * drm_mode_attachmode - add a mode to the user mode list | |
2421 | * @dev: DRM device | |
2422 | * @connector: connector to add the mode to | |
2423 | * @mode: mode to add | |
2424 | * | |
2425 | * Add @mode to @connector's user mode list. | |
2426 | */ | |
2427 | static int drm_mode_attachmode(struct drm_device *dev, | |
2428 | struct drm_connector *connector, | |
2429 | struct drm_display_mode *mode) | |
2430 | { | |
2431 | int ret = 0; | |
2432 | ||
2433 | list_add_tail(&mode->head, &connector->user_modes); | |
2434 | return ret; | |
2435 | } | |
2436 | ||
2437 | int drm_mode_attachmode_crtc(struct drm_device *dev, struct drm_crtc *crtc, | |
2438 | struct drm_display_mode *mode) | |
2439 | { | |
2440 | struct drm_connector *connector; | |
2441 | int ret = 0; | |
2442 | struct drm_display_mode *dup_mode; | |
2443 | int need_dup = 0; | |
2444 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { | |
2445 | if (!connector->encoder) | |
2446 | break; | |
2447 | if (connector->encoder->crtc == crtc) { | |
2448 | if (need_dup) | |
2449 | dup_mode = drm_mode_duplicate(dev, mode); | |
2450 | else | |
2451 | dup_mode = mode; | |
2452 | ret = drm_mode_attachmode(dev, connector, dup_mode); | |
2453 | if (ret) | |
2454 | return ret; | |
2455 | need_dup = 1; | |
2456 | } | |
2457 | } | |
2458 | return 0; | |
2459 | } | |
2460 | EXPORT_SYMBOL(drm_mode_attachmode_crtc); | |
2461 | ||
2462 | static int drm_mode_detachmode(struct drm_device *dev, | |
2463 | struct drm_connector *connector, | |
2464 | struct drm_display_mode *mode) | |
2465 | { | |
2466 | int found = 0; | |
2467 | int ret = 0; | |
2468 | struct drm_display_mode *match_mode, *t; | |
2469 | ||
2470 | list_for_each_entry_safe(match_mode, t, &connector->user_modes, head) { | |
2471 | if (drm_mode_equal(match_mode, mode)) { | |
2472 | list_del(&match_mode->head); | |
2473 | drm_mode_destroy(dev, match_mode); | |
2474 | found = 1; | |
2475 | break; | |
2476 | } | |
2477 | } | |
2478 | ||
2479 | if (!found) | |
2480 | ret = -EINVAL; | |
2481 | ||
2482 | return ret; | |
2483 | } | |
2484 | ||
2485 | int drm_mode_detachmode_crtc(struct drm_device *dev, struct drm_display_mode *mode) | |
2486 | { | |
2487 | struct drm_connector *connector; | |
2488 | ||
2489 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { | |
2490 | drm_mode_detachmode(dev, connector, mode); | |
2491 | } | |
2492 | return 0; | |
2493 | } | |
2494 | EXPORT_SYMBOL(drm_mode_detachmode_crtc); | |
2495 | ||
2496 | /** | |
2497 | * drm_fb_attachmode - Attach a user mode to an connector | |
2498 | * @inode: inode from the ioctl | |
2499 | * @filp: file * from the ioctl | |
2500 | * @cmd: cmd from ioctl | |
2501 | * @arg: arg from ioctl | |
2502 | * | |
2503 | * This attaches a user specified mode to an connector. | |
2504 | * Called by the user via ioctl. | |
2505 | * | |
2506 | * RETURNS: | |
2507 | * Zero on success, errno on failure. | |
2508 | */ | |
2509 | int drm_mode_attachmode_ioctl(struct drm_device *dev, | |
2510 | void *data, struct drm_file *file_priv) | |
2511 | { | |
2512 | struct drm_mode_mode_cmd *mode_cmd = data; | |
2513 | struct drm_connector *connector; | |
2514 | struct drm_display_mode *mode; | |
2515 | struct drm_mode_object *obj; | |
2516 | struct drm_mode_modeinfo *umode = &mode_cmd->mode; | |
2517 | int ret = 0; | |
2518 | ||
fb3b06c8 DA |
2519 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2520 | return -EINVAL; | |
2521 | ||
f453ba04 DA |
2522 | mutex_lock(&dev->mode_config.mutex); |
2523 | ||
2524 | obj = drm_mode_object_find(dev, mode_cmd->connector_id, DRM_MODE_OBJECT_CONNECTOR); | |
2525 | if (!obj) { | |
2526 | ret = -EINVAL; | |
2527 | goto out; | |
2528 | } | |
2529 | connector = obj_to_connector(obj); | |
2530 | ||
2531 | mode = drm_mode_create(dev); | |
2532 | if (!mode) { | |
2533 | ret = -ENOMEM; | |
2534 | goto out; | |
2535 | } | |
2536 | ||
2537 | drm_crtc_convert_umode(mode, umode); | |
2538 | ||
2539 | ret = drm_mode_attachmode(dev, connector, mode); | |
2540 | out: | |
2541 | mutex_unlock(&dev->mode_config.mutex); | |
2542 | return ret; | |
2543 | } | |
2544 | ||
2545 | ||
2546 | /** | |
2547 | * drm_fb_detachmode - Detach a user specified mode from an connector | |
2548 | * @inode: inode from the ioctl | |
2549 | * @filp: file * from the ioctl | |
2550 | * @cmd: cmd from ioctl | |
2551 | * @arg: arg from ioctl | |
2552 | * | |
2553 | * Called by the user via ioctl. | |
2554 | * | |
2555 | * RETURNS: | |
2556 | * Zero on success, errno on failure. | |
2557 | */ | |
2558 | int drm_mode_detachmode_ioctl(struct drm_device *dev, | |
2559 | void *data, struct drm_file *file_priv) | |
2560 | { | |
2561 | struct drm_mode_object *obj; | |
2562 | struct drm_mode_mode_cmd *mode_cmd = data; | |
2563 | struct drm_connector *connector; | |
2564 | struct drm_display_mode mode; | |
2565 | struct drm_mode_modeinfo *umode = &mode_cmd->mode; | |
2566 | int ret = 0; | |
2567 | ||
fb3b06c8 DA |
2568 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2569 | return -EINVAL; | |
2570 | ||
f453ba04 DA |
2571 | mutex_lock(&dev->mode_config.mutex); |
2572 | ||
2573 | obj = drm_mode_object_find(dev, mode_cmd->connector_id, DRM_MODE_OBJECT_CONNECTOR); | |
2574 | if (!obj) { | |
2575 | ret = -EINVAL; | |
2576 | goto out; | |
2577 | } | |
2578 | connector = obj_to_connector(obj); | |
2579 | ||
2580 | drm_crtc_convert_umode(&mode, umode); | |
2581 | ret = drm_mode_detachmode(dev, connector, &mode); | |
2582 | out: | |
2583 | mutex_unlock(&dev->mode_config.mutex); | |
2584 | return ret; | |
2585 | } | |
2586 | ||
2587 | struct drm_property *drm_property_create(struct drm_device *dev, int flags, | |
2588 | const char *name, int num_values) | |
2589 | { | |
2590 | struct drm_property *property = NULL; | |
2591 | ||
2592 | property = kzalloc(sizeof(struct drm_property), GFP_KERNEL); | |
2593 | if (!property) | |
2594 | return NULL; | |
2595 | ||
2596 | if (num_values) { | |
2597 | property->values = kzalloc(sizeof(uint64_t)*num_values, GFP_KERNEL); | |
2598 | if (!property->values) | |
2599 | goto fail; | |
2600 | } | |
2601 | ||
2602 | drm_mode_object_get(dev, &property->base, DRM_MODE_OBJECT_PROPERTY); | |
2603 | property->flags = flags; | |
2604 | property->num_values = num_values; | |
2605 | INIT_LIST_HEAD(&property->enum_blob_list); | |
2606 | ||
471dd2ef | 2607 | if (name) { |
f453ba04 | 2608 | strncpy(property->name, name, DRM_PROP_NAME_LEN); |
471dd2ef VL |
2609 | property->name[DRM_PROP_NAME_LEN-1] = '\0'; |
2610 | } | |
f453ba04 DA |
2611 | |
2612 | list_add_tail(&property->head, &dev->mode_config.property_list); | |
2613 | return property; | |
2614 | fail: | |
2615 | kfree(property); | |
2616 | return NULL; | |
2617 | } | |
2618 | EXPORT_SYMBOL(drm_property_create); | |
2619 | ||
2620 | int drm_property_add_enum(struct drm_property *property, int index, | |
2621 | uint64_t value, const char *name) | |
2622 | { | |
2623 | struct drm_property_enum *prop_enum; | |
2624 | ||
2625 | if (!(property->flags & DRM_MODE_PROP_ENUM)) | |
2626 | return -EINVAL; | |
2627 | ||
2628 | if (!list_empty(&property->enum_blob_list)) { | |
2629 | list_for_each_entry(prop_enum, &property->enum_blob_list, head) { | |
2630 | if (prop_enum->value == value) { | |
2631 | strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN); | |
2632 | prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0'; | |
2633 | return 0; | |
2634 | } | |
2635 | } | |
2636 | } | |
2637 | ||
2638 | prop_enum = kzalloc(sizeof(struct drm_property_enum), GFP_KERNEL); | |
2639 | if (!prop_enum) | |
2640 | return -ENOMEM; | |
2641 | ||
2642 | strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN); | |
2643 | prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0'; | |
2644 | prop_enum->value = value; | |
2645 | ||
2646 | property->values[index] = value; | |
2647 | list_add_tail(&prop_enum->head, &property->enum_blob_list); | |
2648 | return 0; | |
2649 | } | |
2650 | EXPORT_SYMBOL(drm_property_add_enum); | |
2651 | ||
2652 | void drm_property_destroy(struct drm_device *dev, struct drm_property *property) | |
2653 | { | |
2654 | struct drm_property_enum *prop_enum, *pt; | |
2655 | ||
2656 | list_for_each_entry_safe(prop_enum, pt, &property->enum_blob_list, head) { | |
2657 | list_del(&prop_enum->head); | |
2658 | kfree(prop_enum); | |
2659 | } | |
2660 | ||
2661 | if (property->num_values) | |
2662 | kfree(property->values); | |
2663 | drm_mode_object_put(dev, &property->base); | |
2664 | list_del(&property->head); | |
2665 | kfree(property); | |
2666 | } | |
2667 | EXPORT_SYMBOL(drm_property_destroy); | |
2668 | ||
2669 | int drm_connector_attach_property(struct drm_connector *connector, | |
2670 | struct drm_property *property, uint64_t init_val) | |
2671 | { | |
2672 | int i; | |
2673 | ||
2674 | for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) { | |
2675 | if (connector->property_ids[i] == 0) { | |
2676 | connector->property_ids[i] = property->base.id; | |
2677 | connector->property_values[i] = init_val; | |
2678 | break; | |
2679 | } | |
2680 | } | |
2681 | ||
2682 | if (i == DRM_CONNECTOR_MAX_PROPERTY) | |
2683 | return -EINVAL; | |
2684 | return 0; | |
2685 | } | |
2686 | EXPORT_SYMBOL(drm_connector_attach_property); | |
2687 | ||
2688 | int drm_connector_property_set_value(struct drm_connector *connector, | |
2689 | struct drm_property *property, uint64_t value) | |
2690 | { | |
2691 | int i; | |
2692 | ||
2693 | for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) { | |
2694 | if (connector->property_ids[i] == property->base.id) { | |
2695 | connector->property_values[i] = value; | |
2696 | break; | |
2697 | } | |
2698 | } | |
2699 | ||
2700 | if (i == DRM_CONNECTOR_MAX_PROPERTY) | |
2701 | return -EINVAL; | |
2702 | return 0; | |
2703 | } | |
2704 | EXPORT_SYMBOL(drm_connector_property_set_value); | |
2705 | ||
2706 | int drm_connector_property_get_value(struct drm_connector *connector, | |
2707 | struct drm_property *property, uint64_t *val) | |
2708 | { | |
2709 | int i; | |
2710 | ||
2711 | for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) { | |
2712 | if (connector->property_ids[i] == property->base.id) { | |
2713 | *val = connector->property_values[i]; | |
2714 | break; | |
2715 | } | |
2716 | } | |
2717 | ||
2718 | if (i == DRM_CONNECTOR_MAX_PROPERTY) | |
2719 | return -EINVAL; | |
2720 | return 0; | |
2721 | } | |
2722 | EXPORT_SYMBOL(drm_connector_property_get_value); | |
2723 | ||
2724 | int drm_mode_getproperty_ioctl(struct drm_device *dev, | |
2725 | void *data, struct drm_file *file_priv) | |
2726 | { | |
2727 | struct drm_mode_object *obj; | |
2728 | struct drm_mode_get_property *out_resp = data; | |
2729 | struct drm_property *property; | |
2730 | int enum_count = 0; | |
2731 | int blob_count = 0; | |
2732 | int value_count = 0; | |
2733 | int ret = 0, i; | |
2734 | int copied; | |
2735 | struct drm_property_enum *prop_enum; | |
2736 | struct drm_mode_property_enum __user *enum_ptr; | |
2737 | struct drm_property_blob *prop_blob; | |
81f6c7f8 | 2738 | uint32_t __user *blob_id_ptr; |
f453ba04 DA |
2739 | uint64_t __user *values_ptr; |
2740 | uint32_t __user *blob_length_ptr; | |
2741 | ||
fb3b06c8 DA |
2742 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2743 | return -EINVAL; | |
2744 | ||
f453ba04 DA |
2745 | mutex_lock(&dev->mode_config.mutex); |
2746 | obj = drm_mode_object_find(dev, out_resp->prop_id, DRM_MODE_OBJECT_PROPERTY); | |
2747 | if (!obj) { | |
2748 | ret = -EINVAL; | |
2749 | goto done; | |
2750 | } | |
2751 | property = obj_to_property(obj); | |
2752 | ||
2753 | if (property->flags & DRM_MODE_PROP_ENUM) { | |
2754 | list_for_each_entry(prop_enum, &property->enum_blob_list, head) | |
2755 | enum_count++; | |
2756 | } else if (property->flags & DRM_MODE_PROP_BLOB) { | |
2757 | list_for_each_entry(prop_blob, &property->enum_blob_list, head) | |
2758 | blob_count++; | |
2759 | } | |
2760 | ||
2761 | value_count = property->num_values; | |
2762 | ||
2763 | strncpy(out_resp->name, property->name, DRM_PROP_NAME_LEN); | |
2764 | out_resp->name[DRM_PROP_NAME_LEN-1] = 0; | |
2765 | out_resp->flags = property->flags; | |
2766 | ||
2767 | if ((out_resp->count_values >= value_count) && value_count) { | |
81f6c7f8 | 2768 | values_ptr = (uint64_t __user *)(unsigned long)out_resp->values_ptr; |
f453ba04 DA |
2769 | for (i = 0; i < value_count; i++) { |
2770 | if (copy_to_user(values_ptr + i, &property->values[i], sizeof(uint64_t))) { | |
2771 | ret = -EFAULT; | |
2772 | goto done; | |
2773 | } | |
2774 | } | |
2775 | } | |
2776 | out_resp->count_values = value_count; | |
2777 | ||
2778 | if (property->flags & DRM_MODE_PROP_ENUM) { | |
2779 | if ((out_resp->count_enum_blobs >= enum_count) && enum_count) { | |
2780 | copied = 0; | |
81f6c7f8 | 2781 | enum_ptr = (struct drm_mode_property_enum __user *)(unsigned long)out_resp->enum_blob_ptr; |
f453ba04 DA |
2782 | list_for_each_entry(prop_enum, &property->enum_blob_list, head) { |
2783 | ||
2784 | if (copy_to_user(&enum_ptr[copied].value, &prop_enum->value, sizeof(uint64_t))) { | |
2785 | ret = -EFAULT; | |
2786 | goto done; | |
2787 | } | |
2788 | ||
2789 | if (copy_to_user(&enum_ptr[copied].name, | |
2790 | &prop_enum->name, DRM_PROP_NAME_LEN)) { | |
2791 | ret = -EFAULT; | |
2792 | goto done; | |
2793 | } | |
2794 | copied++; | |
2795 | } | |
2796 | } | |
2797 | out_resp->count_enum_blobs = enum_count; | |
2798 | } | |
2799 | ||
2800 | if (property->flags & DRM_MODE_PROP_BLOB) { | |
2801 | if ((out_resp->count_enum_blobs >= blob_count) && blob_count) { | |
2802 | copied = 0; | |
81f6c7f8 VS |
2803 | blob_id_ptr = (uint32_t __user *)(unsigned long)out_resp->enum_blob_ptr; |
2804 | blob_length_ptr = (uint32_t __user *)(unsigned long)out_resp->values_ptr; | |
f453ba04 DA |
2805 | |
2806 | list_for_each_entry(prop_blob, &property->enum_blob_list, head) { | |
2807 | if (put_user(prop_blob->base.id, blob_id_ptr + copied)) { | |
2808 | ret = -EFAULT; | |
2809 | goto done; | |
2810 | } | |
2811 | ||
2812 | if (put_user(prop_blob->length, blob_length_ptr + copied)) { | |
2813 | ret = -EFAULT; | |
2814 | goto done; | |
2815 | } | |
2816 | ||
2817 | copied++; | |
2818 | } | |
2819 | } | |
2820 | out_resp->count_enum_blobs = blob_count; | |
2821 | } | |
2822 | done: | |
2823 | mutex_unlock(&dev->mode_config.mutex); | |
2824 | return ret; | |
2825 | } | |
2826 | ||
2827 | static struct drm_property_blob *drm_property_create_blob(struct drm_device *dev, int length, | |
2828 | void *data) | |
2829 | { | |
2830 | struct drm_property_blob *blob; | |
2831 | ||
2832 | if (!length || !data) | |
2833 | return NULL; | |
2834 | ||
2835 | blob = kzalloc(sizeof(struct drm_property_blob)+length, GFP_KERNEL); | |
2836 | if (!blob) | |
2837 | return NULL; | |
2838 | ||
2839 | blob->data = (void *)((char *)blob + sizeof(struct drm_property_blob)); | |
2840 | blob->length = length; | |
2841 | ||
2842 | memcpy(blob->data, data, length); | |
2843 | ||
2844 | drm_mode_object_get(dev, &blob->base, DRM_MODE_OBJECT_BLOB); | |
2845 | ||
2846 | list_add_tail(&blob->head, &dev->mode_config.property_blob_list); | |
2847 | return blob; | |
2848 | } | |
2849 | ||
2850 | static void drm_property_destroy_blob(struct drm_device *dev, | |
2851 | struct drm_property_blob *blob) | |
2852 | { | |
2853 | drm_mode_object_put(dev, &blob->base); | |
2854 | list_del(&blob->head); | |
2855 | kfree(blob); | |
2856 | } | |
2857 | ||
2858 | int drm_mode_getblob_ioctl(struct drm_device *dev, | |
2859 | void *data, struct drm_file *file_priv) | |
2860 | { | |
2861 | struct drm_mode_object *obj; | |
2862 | struct drm_mode_get_blob *out_resp = data; | |
2863 | struct drm_property_blob *blob; | |
2864 | int ret = 0; | |
81f6c7f8 | 2865 | void __user *blob_ptr; |
f453ba04 | 2866 | |
fb3b06c8 DA |
2867 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2868 | return -EINVAL; | |
2869 | ||
f453ba04 DA |
2870 | mutex_lock(&dev->mode_config.mutex); |
2871 | obj = drm_mode_object_find(dev, out_resp->blob_id, DRM_MODE_OBJECT_BLOB); | |
2872 | if (!obj) { | |
2873 | ret = -EINVAL; | |
2874 | goto done; | |
2875 | } | |
2876 | blob = obj_to_blob(obj); | |
2877 | ||
2878 | if (out_resp->length == blob->length) { | |
81f6c7f8 | 2879 | blob_ptr = (void __user *)(unsigned long)out_resp->data; |
f453ba04 DA |
2880 | if (copy_to_user(blob_ptr, blob->data, blob->length)){ |
2881 | ret = -EFAULT; | |
2882 | goto done; | |
2883 | } | |
2884 | } | |
2885 | out_resp->length = blob->length; | |
2886 | ||
2887 | done: | |
2888 | mutex_unlock(&dev->mode_config.mutex); | |
2889 | return ret; | |
2890 | } | |
2891 | ||
2892 | int drm_mode_connector_update_edid_property(struct drm_connector *connector, | |
2893 | struct edid *edid) | |
2894 | { | |
2895 | struct drm_device *dev = connector->dev; | |
7466f4cc | 2896 | int ret = 0, size; |
f453ba04 DA |
2897 | |
2898 | if (connector->edid_blob_ptr) | |
2899 | drm_property_destroy_blob(dev, connector->edid_blob_ptr); | |
2900 | ||
2901 | /* Delete edid, when there is none. */ | |
2902 | if (!edid) { | |
2903 | connector->edid_blob_ptr = NULL; | |
2904 | ret = drm_connector_property_set_value(connector, dev->mode_config.edid_property, 0); | |
2905 | return ret; | |
2906 | } | |
2907 | ||
7466f4cc AJ |
2908 | size = EDID_LENGTH * (1 + edid->extensions); |
2909 | connector->edid_blob_ptr = drm_property_create_blob(connector->dev, | |
2910 | size, edid); | |
f453ba04 DA |
2911 | |
2912 | ret = drm_connector_property_set_value(connector, | |
2913 | dev->mode_config.edid_property, | |
2914 | connector->edid_blob_ptr->base.id); | |
2915 | ||
2916 | return ret; | |
2917 | } | |
2918 | EXPORT_SYMBOL(drm_mode_connector_update_edid_property); | |
2919 | ||
2920 | int drm_mode_connector_property_set_ioctl(struct drm_device *dev, | |
2921 | void *data, struct drm_file *file_priv) | |
2922 | { | |
2923 | struct drm_mode_connector_set_property *out_resp = data; | |
2924 | struct drm_mode_object *obj; | |
2925 | struct drm_property *property; | |
2926 | struct drm_connector *connector; | |
2927 | int ret = -EINVAL; | |
2928 | int i; | |
2929 | ||
fb3b06c8 DA |
2930 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2931 | return -EINVAL; | |
2932 | ||
f453ba04 DA |
2933 | mutex_lock(&dev->mode_config.mutex); |
2934 | ||
2935 | obj = drm_mode_object_find(dev, out_resp->connector_id, DRM_MODE_OBJECT_CONNECTOR); | |
2936 | if (!obj) { | |
2937 | goto out; | |
2938 | } | |
2939 | connector = obj_to_connector(obj); | |
2940 | ||
2941 | for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) { | |
2942 | if (connector->property_ids[i] == out_resp->prop_id) | |
2943 | break; | |
2944 | } | |
2945 | ||
2946 | if (i == DRM_CONNECTOR_MAX_PROPERTY) { | |
2947 | goto out; | |
2948 | } | |
2949 | ||
2950 | obj = drm_mode_object_find(dev, out_resp->prop_id, DRM_MODE_OBJECT_PROPERTY); | |
2951 | if (!obj) { | |
2952 | goto out; | |
2953 | } | |
2954 | property = obj_to_property(obj); | |
2955 | ||
2956 | if (property->flags & DRM_MODE_PROP_IMMUTABLE) | |
2957 | goto out; | |
2958 | ||
2959 | if (property->flags & DRM_MODE_PROP_RANGE) { | |
2960 | if (out_resp->value < property->values[0]) | |
2961 | goto out; | |
2962 | ||
2963 | if (out_resp->value > property->values[1]) | |
2964 | goto out; | |
2965 | } else { | |
2966 | int found = 0; | |
2967 | for (i = 0; i < property->num_values; i++) { | |
2968 | if (property->values[i] == out_resp->value) { | |
2969 | found = 1; | |
2970 | break; | |
2971 | } | |
2972 | } | |
2973 | if (!found) { | |
2974 | goto out; | |
2975 | } | |
2976 | } | |
2977 | ||
c9fb15f6 KP |
2978 | /* Do DPMS ourselves */ |
2979 | if (property == connector->dev->mode_config.dpms_property) { | |
2980 | if (connector->funcs->dpms) | |
2981 | (*connector->funcs->dpms)(connector, (int) out_resp->value); | |
2982 | ret = 0; | |
2983 | } else if (connector->funcs->set_property) | |
f453ba04 DA |
2984 | ret = connector->funcs->set_property(connector, property, out_resp->value); |
2985 | ||
af901ca1 | 2986 | /* store the property value if successful */ |
f453ba04 DA |
2987 | if (!ret) |
2988 | drm_connector_property_set_value(connector, property, out_resp->value); | |
2989 | out: | |
2990 | mutex_unlock(&dev->mode_config.mutex); | |
2991 | return ret; | |
2992 | } | |
2993 | ||
f453ba04 DA |
2994 | int drm_mode_connector_attach_encoder(struct drm_connector *connector, |
2995 | struct drm_encoder *encoder) | |
2996 | { | |
2997 | int i; | |
2998 | ||
2999 | for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { | |
3000 | if (connector->encoder_ids[i] == 0) { | |
3001 | connector->encoder_ids[i] = encoder->base.id; | |
3002 | return 0; | |
3003 | } | |
3004 | } | |
3005 | return -ENOMEM; | |
3006 | } | |
3007 | EXPORT_SYMBOL(drm_mode_connector_attach_encoder); | |
3008 | ||
3009 | void drm_mode_connector_detach_encoder(struct drm_connector *connector, | |
3010 | struct drm_encoder *encoder) | |
3011 | { | |
3012 | int i; | |
3013 | for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { | |
3014 | if (connector->encoder_ids[i] == encoder->base.id) { | |
3015 | connector->encoder_ids[i] = 0; | |
3016 | if (connector->encoder == encoder) | |
3017 | connector->encoder = NULL; | |
3018 | break; | |
3019 | } | |
3020 | } | |
3021 | } | |
3022 | EXPORT_SYMBOL(drm_mode_connector_detach_encoder); | |
3023 | ||
3024 | bool drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc, | |
3025 | int gamma_size) | |
3026 | { | |
3027 | crtc->gamma_size = gamma_size; | |
3028 | ||
3029 | crtc->gamma_store = kzalloc(gamma_size * sizeof(uint16_t) * 3, GFP_KERNEL); | |
3030 | if (!crtc->gamma_store) { | |
3031 | crtc->gamma_size = 0; | |
3032 | return false; | |
3033 | } | |
3034 | ||
3035 | return true; | |
3036 | } | |
3037 | EXPORT_SYMBOL(drm_mode_crtc_set_gamma_size); | |
3038 | ||
3039 | int drm_mode_gamma_set_ioctl(struct drm_device *dev, | |
3040 | void *data, struct drm_file *file_priv) | |
3041 | { | |
3042 | struct drm_mode_crtc_lut *crtc_lut = data; | |
3043 | struct drm_mode_object *obj; | |
3044 | struct drm_crtc *crtc; | |
3045 | void *r_base, *g_base, *b_base; | |
3046 | int size; | |
3047 | int ret = 0; | |
3048 | ||
fb3b06c8 DA |
3049 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
3050 | return -EINVAL; | |
3051 | ||
f453ba04 DA |
3052 | mutex_lock(&dev->mode_config.mutex); |
3053 | obj = drm_mode_object_find(dev, crtc_lut->crtc_id, DRM_MODE_OBJECT_CRTC); | |
3054 | if (!obj) { | |
3055 | ret = -EINVAL; | |
3056 | goto out; | |
3057 | } | |
3058 | crtc = obj_to_crtc(obj); | |
3059 | ||
3060 | /* memcpy into gamma store */ | |
3061 | if (crtc_lut->gamma_size != crtc->gamma_size) { | |
3062 | ret = -EINVAL; | |
3063 | goto out; | |
3064 | } | |
3065 | ||
3066 | size = crtc_lut->gamma_size * (sizeof(uint16_t)); | |
3067 | r_base = crtc->gamma_store; | |
3068 | if (copy_from_user(r_base, (void __user *)(unsigned long)crtc_lut->red, size)) { | |
3069 | ret = -EFAULT; | |
3070 | goto out; | |
3071 | } | |
3072 | ||
3073 | g_base = r_base + size; | |
3074 | if (copy_from_user(g_base, (void __user *)(unsigned long)crtc_lut->green, size)) { | |
3075 | ret = -EFAULT; | |
3076 | goto out; | |
3077 | } | |
3078 | ||
3079 | b_base = g_base + size; | |
3080 | if (copy_from_user(b_base, (void __user *)(unsigned long)crtc_lut->blue, size)) { | |
3081 | ret = -EFAULT; | |
3082 | goto out; | |
3083 | } | |
3084 | ||
7203425a | 3085 | crtc->funcs->gamma_set(crtc, r_base, g_base, b_base, 0, crtc->gamma_size); |
f453ba04 DA |
3086 | |
3087 | out: | |
3088 | mutex_unlock(&dev->mode_config.mutex); | |
3089 | return ret; | |
3090 | ||
3091 | } | |
3092 | ||
3093 | int drm_mode_gamma_get_ioctl(struct drm_device *dev, | |
3094 | void *data, struct drm_file *file_priv) | |
3095 | { | |
3096 | struct drm_mode_crtc_lut *crtc_lut = data; | |
3097 | struct drm_mode_object *obj; | |
3098 | struct drm_crtc *crtc; | |
3099 | void *r_base, *g_base, *b_base; | |
3100 | int size; | |
3101 | int ret = 0; | |
3102 | ||
fb3b06c8 DA |
3103 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
3104 | return -EINVAL; | |
3105 | ||
f453ba04 DA |
3106 | mutex_lock(&dev->mode_config.mutex); |
3107 | obj = drm_mode_object_find(dev, crtc_lut->crtc_id, DRM_MODE_OBJECT_CRTC); | |
3108 | if (!obj) { | |
3109 | ret = -EINVAL; | |
3110 | goto out; | |
3111 | } | |
3112 | crtc = obj_to_crtc(obj); | |
3113 | ||
3114 | /* memcpy into gamma store */ | |
3115 | if (crtc_lut->gamma_size != crtc->gamma_size) { | |
3116 | ret = -EINVAL; | |
3117 | goto out; | |
3118 | } | |
3119 | ||
3120 | size = crtc_lut->gamma_size * (sizeof(uint16_t)); | |
3121 | r_base = crtc->gamma_store; | |
3122 | if (copy_to_user((void __user *)(unsigned long)crtc_lut->red, r_base, size)) { | |
3123 | ret = -EFAULT; | |
3124 | goto out; | |
3125 | } | |
3126 | ||
3127 | g_base = r_base + size; | |
3128 | if (copy_to_user((void __user *)(unsigned long)crtc_lut->green, g_base, size)) { | |
3129 | ret = -EFAULT; | |
3130 | goto out; | |
3131 | } | |
3132 | ||
3133 | b_base = g_base + size; | |
3134 | if (copy_to_user((void __user *)(unsigned long)crtc_lut->blue, b_base, size)) { | |
3135 | ret = -EFAULT; | |
3136 | goto out; | |
3137 | } | |
3138 | out: | |
3139 | mutex_unlock(&dev->mode_config.mutex); | |
3140 | return ret; | |
3141 | } | |
d91d8a3f KH |
3142 | |
3143 | int drm_mode_page_flip_ioctl(struct drm_device *dev, | |
3144 | void *data, struct drm_file *file_priv) | |
3145 | { | |
3146 | struct drm_mode_crtc_page_flip *page_flip = data; | |
3147 | struct drm_mode_object *obj; | |
3148 | struct drm_crtc *crtc; | |
3149 | struct drm_framebuffer *fb; | |
3150 | struct drm_pending_vblank_event *e = NULL; | |
3151 | unsigned long flags; | |
3152 | int ret = -EINVAL; | |
3153 | ||
3154 | if (page_flip->flags & ~DRM_MODE_PAGE_FLIP_FLAGS || | |
3155 | page_flip->reserved != 0) | |
3156 | return -EINVAL; | |
3157 | ||
3158 | mutex_lock(&dev->mode_config.mutex); | |
3159 | obj = drm_mode_object_find(dev, page_flip->crtc_id, DRM_MODE_OBJECT_CRTC); | |
3160 | if (!obj) | |
3161 | goto out; | |
3162 | crtc = obj_to_crtc(obj); | |
3163 | ||
90c1efdd CW |
3164 | if (crtc->fb == NULL) { |
3165 | /* The framebuffer is currently unbound, presumably | |
3166 | * due to a hotplug event, that userspace has not | |
3167 | * yet discovered. | |
3168 | */ | |
3169 | ret = -EBUSY; | |
3170 | goto out; | |
3171 | } | |
3172 | ||
d91d8a3f KH |
3173 | if (crtc->funcs->page_flip == NULL) |
3174 | goto out; | |
3175 | ||
3176 | obj = drm_mode_object_find(dev, page_flip->fb_id, DRM_MODE_OBJECT_FB); | |
3177 | if (!obj) | |
3178 | goto out; | |
3179 | fb = obj_to_fb(obj); | |
3180 | ||
3181 | if (page_flip->flags & DRM_MODE_PAGE_FLIP_EVENT) { | |
3182 | ret = -ENOMEM; | |
3183 | spin_lock_irqsave(&dev->event_lock, flags); | |
3184 | if (file_priv->event_space < sizeof e->event) { | |
3185 | spin_unlock_irqrestore(&dev->event_lock, flags); | |
3186 | goto out; | |
3187 | } | |
3188 | file_priv->event_space -= sizeof e->event; | |
3189 | spin_unlock_irqrestore(&dev->event_lock, flags); | |
3190 | ||
3191 | e = kzalloc(sizeof *e, GFP_KERNEL); | |
3192 | if (e == NULL) { | |
3193 | spin_lock_irqsave(&dev->event_lock, flags); | |
3194 | file_priv->event_space += sizeof e->event; | |
3195 | spin_unlock_irqrestore(&dev->event_lock, flags); | |
3196 | goto out; | |
3197 | } | |
3198 | ||
7bd4d7be | 3199 | e->event.base.type = DRM_EVENT_FLIP_COMPLETE; |
d91d8a3f KH |
3200 | e->event.base.length = sizeof e->event; |
3201 | e->event.user_data = page_flip->user_data; | |
3202 | e->base.event = &e->event.base; | |
3203 | e->base.file_priv = file_priv; | |
3204 | e->base.destroy = | |
3205 | (void (*) (struct drm_pending_event *)) kfree; | |
3206 | } | |
3207 | ||
3208 | ret = crtc->funcs->page_flip(crtc, fb, e); | |
3209 | if (ret) { | |
3210 | spin_lock_irqsave(&dev->event_lock, flags); | |
3211 | file_priv->event_space += sizeof e->event; | |
3212 | spin_unlock_irqrestore(&dev->event_lock, flags); | |
3213 | kfree(e); | |
3214 | } | |
3215 | ||
3216 | out: | |
3217 | mutex_unlock(&dev->mode_config.mutex); | |
3218 | return ret; | |
3219 | } | |
eb033556 CW |
3220 | |
3221 | void drm_mode_config_reset(struct drm_device *dev) | |
3222 | { | |
3223 | struct drm_crtc *crtc; | |
3224 | struct drm_encoder *encoder; | |
3225 | struct drm_connector *connector; | |
3226 | ||
3227 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) | |
3228 | if (crtc->funcs->reset) | |
3229 | crtc->funcs->reset(crtc); | |
3230 | ||
3231 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) | |
3232 | if (encoder->funcs->reset) | |
3233 | encoder->funcs->reset(encoder); | |
3234 | ||
3235 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) | |
3236 | if (connector->funcs->reset) | |
3237 | connector->funcs->reset(connector); | |
3238 | } | |
3239 | EXPORT_SYMBOL(drm_mode_config_reset); | |
ff72145b DA |
3240 | |
3241 | int drm_mode_create_dumb_ioctl(struct drm_device *dev, | |
3242 | void *data, struct drm_file *file_priv) | |
3243 | { | |
3244 | struct drm_mode_create_dumb *args = data; | |
3245 | ||
3246 | if (!dev->driver->dumb_create) | |
3247 | return -ENOSYS; | |
3248 | return dev->driver->dumb_create(file_priv, dev, args); | |
3249 | } | |
3250 | ||
3251 | int drm_mode_mmap_dumb_ioctl(struct drm_device *dev, | |
3252 | void *data, struct drm_file *file_priv) | |
3253 | { | |
3254 | struct drm_mode_map_dumb *args = data; | |
3255 | ||
3256 | /* call driver ioctl to get mmap offset */ | |
3257 | if (!dev->driver->dumb_map_offset) | |
3258 | return -ENOSYS; | |
3259 | ||
3260 | return dev->driver->dumb_map_offset(file_priv, dev, args->handle, &args->offset); | |
3261 | } | |
3262 | ||
3263 | int drm_mode_destroy_dumb_ioctl(struct drm_device *dev, | |
3264 | void *data, struct drm_file *file_priv) | |
3265 | { | |
3266 | struct drm_mode_destroy_dumb *args = data; | |
3267 | ||
3268 | if (!dev->driver->dumb_destroy) | |
3269 | return -ENOSYS; | |
3270 | ||
3271 | return dev->driver->dumb_destroy(file_priv, dev, args->handle); | |
3272 | } | |
248dbc23 DA |
3273 | |
3274 | /* | |
3275 | * Just need to support RGB formats here for compat with code that doesn't | |
3276 | * use pixel formats directly yet. | |
3277 | */ | |
3278 | void drm_fb_get_bpp_depth(uint32_t format, unsigned int *depth, | |
3279 | int *bpp) | |
3280 | { | |
3281 | switch (format) { | |
04b3924d VS |
3282 | case DRM_FORMAT_RGB332: |
3283 | case DRM_FORMAT_BGR233: | |
248dbc23 DA |
3284 | *depth = 8; |
3285 | *bpp = 8; | |
3286 | break; | |
04b3924d VS |
3287 | case DRM_FORMAT_XRGB1555: |
3288 | case DRM_FORMAT_XBGR1555: | |
3289 | case DRM_FORMAT_RGBX5551: | |
3290 | case DRM_FORMAT_BGRX5551: | |
3291 | case DRM_FORMAT_ARGB1555: | |
3292 | case DRM_FORMAT_ABGR1555: | |
3293 | case DRM_FORMAT_RGBA5551: | |
3294 | case DRM_FORMAT_BGRA5551: | |
248dbc23 DA |
3295 | *depth = 15; |
3296 | *bpp = 16; | |
3297 | break; | |
04b3924d VS |
3298 | case DRM_FORMAT_RGB565: |
3299 | case DRM_FORMAT_BGR565: | |
248dbc23 DA |
3300 | *depth = 16; |
3301 | *bpp = 16; | |
3302 | break; | |
04b3924d VS |
3303 | case DRM_FORMAT_RGB888: |
3304 | case DRM_FORMAT_BGR888: | |
3305 | *depth = 24; | |
3306 | *bpp = 24; | |
3307 | break; | |
3308 | case DRM_FORMAT_XRGB8888: | |
3309 | case DRM_FORMAT_XBGR8888: | |
3310 | case DRM_FORMAT_RGBX8888: | |
3311 | case DRM_FORMAT_BGRX8888: | |
248dbc23 DA |
3312 | *depth = 24; |
3313 | *bpp = 32; | |
3314 | break; | |
04b3924d VS |
3315 | case DRM_FORMAT_XRGB2101010: |
3316 | case DRM_FORMAT_XBGR2101010: | |
3317 | case DRM_FORMAT_RGBX1010102: | |
3318 | case DRM_FORMAT_BGRX1010102: | |
3319 | case DRM_FORMAT_ARGB2101010: | |
3320 | case DRM_FORMAT_ABGR2101010: | |
3321 | case DRM_FORMAT_RGBA1010102: | |
3322 | case DRM_FORMAT_BGRA1010102: | |
248dbc23 DA |
3323 | *depth = 30; |
3324 | *bpp = 32; | |
3325 | break; | |
04b3924d VS |
3326 | case DRM_FORMAT_ARGB8888: |
3327 | case DRM_FORMAT_ABGR8888: | |
3328 | case DRM_FORMAT_RGBA8888: | |
3329 | case DRM_FORMAT_BGRA8888: | |
248dbc23 DA |
3330 | *depth = 32; |
3331 | *bpp = 32; | |
3332 | break; | |
3333 | default: | |
3334 | DRM_DEBUG_KMS("unsupported pixel format\n"); | |
3335 | *depth = 0; | |
3336 | *bpp = 0; | |
3337 | break; | |
3338 | } | |
3339 | } | |
3340 | EXPORT_SYMBOL(drm_fb_get_bpp_depth); |