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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 | 40 | |
f453ba04 DA |
41 | /* Avoid boilerplate. I'm tired of typing. */ |
42 | #define DRM_ENUM_NAME_FN(fnname, list) \ | |
43 | char *fnname(int val) \ | |
44 | { \ | |
45 | int i; \ | |
46 | for (i = 0; i < ARRAY_SIZE(list); i++) { \ | |
47 | if (list[i].type == val) \ | |
48 | return list[i].name; \ | |
49 | } \ | |
50 | return "(unknown)"; \ | |
51 | } | |
52 | ||
53 | /* | |
54 | * Global properties | |
55 | */ | |
56 | static struct drm_prop_enum_list drm_dpms_enum_list[] = | |
57 | { { DRM_MODE_DPMS_ON, "On" }, | |
58 | { DRM_MODE_DPMS_STANDBY, "Standby" }, | |
59 | { DRM_MODE_DPMS_SUSPEND, "Suspend" }, | |
60 | { DRM_MODE_DPMS_OFF, "Off" } | |
61 | }; | |
62 | ||
63 | DRM_ENUM_NAME_FN(drm_get_dpms_name, drm_dpms_enum_list) | |
64 | ||
65 | /* | |
66 | * Optional properties | |
67 | */ | |
68 | static struct drm_prop_enum_list drm_scaling_mode_enum_list[] = | |
69 | { | |
53bd8389 JB |
70 | { DRM_MODE_SCALE_NONE, "None" }, |
71 | { DRM_MODE_SCALE_FULLSCREEN, "Full" }, | |
72 | { DRM_MODE_SCALE_CENTER, "Center" }, | |
73 | { DRM_MODE_SCALE_ASPECT, "Full aspect" }, | |
f453ba04 DA |
74 | }; |
75 | ||
76 | static struct drm_prop_enum_list drm_dithering_mode_enum_list[] = | |
77 | { | |
78 | { DRM_MODE_DITHERING_OFF, "Off" }, | |
79 | { DRM_MODE_DITHERING_ON, "On" }, | |
92897b5c | 80 | { DRM_MODE_DITHERING_AUTO, "Automatic" }, |
f453ba04 DA |
81 | }; |
82 | ||
83 | /* | |
84 | * Non-global properties, but "required" for certain connectors. | |
85 | */ | |
86 | static struct drm_prop_enum_list drm_dvi_i_select_enum_list[] = | |
87 | { | |
88 | { DRM_MODE_SUBCONNECTOR_Automatic, "Automatic" }, /* DVI-I and TV-out */ | |
89 | { DRM_MODE_SUBCONNECTOR_DVID, "DVI-D" }, /* DVI-I */ | |
90 | { DRM_MODE_SUBCONNECTOR_DVIA, "DVI-A" }, /* DVI-I */ | |
91 | }; | |
92 | ||
93 | DRM_ENUM_NAME_FN(drm_get_dvi_i_select_name, drm_dvi_i_select_enum_list) | |
94 | ||
95 | static struct drm_prop_enum_list drm_dvi_i_subconnector_enum_list[] = | |
96 | { | |
97 | { DRM_MODE_SUBCONNECTOR_Unknown, "Unknown" }, /* DVI-I and TV-out */ | |
98 | { DRM_MODE_SUBCONNECTOR_DVID, "DVI-D" }, /* DVI-I */ | |
99 | { DRM_MODE_SUBCONNECTOR_DVIA, "DVI-A" }, /* DVI-I */ | |
100 | }; | |
101 | ||
102 | DRM_ENUM_NAME_FN(drm_get_dvi_i_subconnector_name, | |
103 | drm_dvi_i_subconnector_enum_list) | |
104 | ||
105 | static struct drm_prop_enum_list drm_tv_select_enum_list[] = | |
106 | { | |
107 | { DRM_MODE_SUBCONNECTOR_Automatic, "Automatic" }, /* DVI-I and TV-out */ | |
108 | { DRM_MODE_SUBCONNECTOR_Composite, "Composite" }, /* TV-out */ | |
109 | { DRM_MODE_SUBCONNECTOR_SVIDEO, "SVIDEO" }, /* TV-out */ | |
110 | { DRM_MODE_SUBCONNECTOR_Component, "Component" }, /* TV-out */ | |
aeaa1ad3 | 111 | { DRM_MODE_SUBCONNECTOR_SCART, "SCART" }, /* TV-out */ |
f453ba04 DA |
112 | }; |
113 | ||
114 | DRM_ENUM_NAME_FN(drm_get_tv_select_name, drm_tv_select_enum_list) | |
115 | ||
116 | static struct drm_prop_enum_list drm_tv_subconnector_enum_list[] = | |
117 | { | |
118 | { DRM_MODE_SUBCONNECTOR_Unknown, "Unknown" }, /* DVI-I and TV-out */ | |
119 | { DRM_MODE_SUBCONNECTOR_Composite, "Composite" }, /* TV-out */ | |
120 | { DRM_MODE_SUBCONNECTOR_SVIDEO, "SVIDEO" }, /* TV-out */ | |
121 | { DRM_MODE_SUBCONNECTOR_Component, "Component" }, /* TV-out */ | |
aeaa1ad3 | 122 | { DRM_MODE_SUBCONNECTOR_SCART, "SCART" }, /* TV-out */ |
f453ba04 DA |
123 | }; |
124 | ||
125 | DRM_ENUM_NAME_FN(drm_get_tv_subconnector_name, | |
126 | drm_tv_subconnector_enum_list) | |
127 | ||
884840aa JB |
128 | static struct drm_prop_enum_list drm_dirty_info_enum_list[] = { |
129 | { DRM_MODE_DIRTY_OFF, "Off" }, | |
130 | { DRM_MODE_DIRTY_ON, "On" }, | |
131 | { DRM_MODE_DIRTY_ANNOTATE, "Annotate" }, | |
132 | }; | |
133 | ||
134 | DRM_ENUM_NAME_FN(drm_get_dirty_info_name, | |
135 | drm_dirty_info_enum_list) | |
136 | ||
f453ba04 DA |
137 | struct drm_conn_prop_enum_list { |
138 | int type; | |
139 | char *name; | |
140 | int count; | |
141 | }; | |
142 | ||
143 | /* | |
144 | * Connector and encoder types. | |
145 | */ | |
146 | static struct drm_conn_prop_enum_list drm_connector_enum_list[] = | |
147 | { { DRM_MODE_CONNECTOR_Unknown, "Unknown", 0 }, | |
148 | { DRM_MODE_CONNECTOR_VGA, "VGA", 0 }, | |
149 | { DRM_MODE_CONNECTOR_DVII, "DVI-I", 0 }, | |
150 | { DRM_MODE_CONNECTOR_DVID, "DVI-D", 0 }, | |
151 | { DRM_MODE_CONNECTOR_DVIA, "DVI-A", 0 }, | |
152 | { DRM_MODE_CONNECTOR_Composite, "Composite", 0 }, | |
153 | { DRM_MODE_CONNECTOR_SVIDEO, "SVIDEO", 0 }, | |
154 | { DRM_MODE_CONNECTOR_LVDS, "LVDS", 0 }, | |
155 | { DRM_MODE_CONNECTOR_Component, "Component", 0 }, | |
e76116ca AD |
156 | { DRM_MODE_CONNECTOR_9PinDIN, "DIN", 0 }, |
157 | { DRM_MODE_CONNECTOR_DisplayPort, "DP", 0 }, | |
158 | { DRM_MODE_CONNECTOR_HDMIA, "HDMI-A", 0 }, | |
159 | { DRM_MODE_CONNECTOR_HDMIB, "HDMI-B", 0 }, | |
74bd3c26 | 160 | { DRM_MODE_CONNECTOR_TV, "TV", 0 }, |
e76116ca | 161 | { DRM_MODE_CONNECTOR_eDP, "eDP", 0 }, |
a7331e5c | 162 | { DRM_MODE_CONNECTOR_VIRTUAL, "Virtual", 0}, |
f453ba04 DA |
163 | }; |
164 | ||
165 | static struct drm_prop_enum_list drm_encoder_enum_list[] = | |
166 | { { DRM_MODE_ENCODER_NONE, "None" }, | |
167 | { DRM_MODE_ENCODER_DAC, "DAC" }, | |
168 | { DRM_MODE_ENCODER_TMDS, "TMDS" }, | |
169 | { DRM_MODE_ENCODER_LVDS, "LVDS" }, | |
170 | { DRM_MODE_ENCODER_TVDAC, "TV" }, | |
a7331e5c | 171 | { DRM_MODE_ENCODER_VIRTUAL, "Virtual" }, |
f453ba04 DA |
172 | }; |
173 | ||
174 | char *drm_get_encoder_name(struct drm_encoder *encoder) | |
175 | { | |
176 | static char buf[32]; | |
177 | ||
178 | snprintf(buf, 32, "%s-%d", | |
179 | drm_encoder_enum_list[encoder->encoder_type].name, | |
180 | encoder->base.id); | |
181 | return buf; | |
182 | } | |
13a8195b | 183 | EXPORT_SYMBOL(drm_get_encoder_name); |
f453ba04 DA |
184 | |
185 | char *drm_get_connector_name(struct drm_connector *connector) | |
186 | { | |
187 | static char buf[32]; | |
188 | ||
189 | snprintf(buf, 32, "%s-%d", | |
190 | drm_connector_enum_list[connector->connector_type].name, | |
191 | connector->connector_type_id); | |
192 | return buf; | |
193 | } | |
194 | EXPORT_SYMBOL(drm_get_connector_name); | |
195 | ||
196 | char *drm_get_connector_status_name(enum drm_connector_status status) | |
197 | { | |
198 | if (status == connector_status_connected) | |
199 | return "connected"; | |
200 | else if (status == connector_status_disconnected) | |
201 | return "disconnected"; | |
202 | else | |
203 | return "unknown"; | |
204 | } | |
205 | ||
206 | /** | |
207 | * drm_mode_object_get - allocate a new identifier | |
208 | * @dev: DRM device | |
209 | * @ptr: object pointer, used to generate unique ID | |
210 | * @type: object type | |
211 | * | |
212 | * LOCKING: | |
f453ba04 DA |
213 | * |
214 | * Create a unique identifier based on @ptr in @dev's identifier space. Used | |
215 | * for tracking modes, CRTCs and connectors. | |
216 | * | |
217 | * RETURNS: | |
218 | * New unique (relative to other objects in @dev) integer identifier for the | |
219 | * object. | |
220 | */ | |
221 | static int drm_mode_object_get(struct drm_device *dev, | |
222 | struct drm_mode_object *obj, uint32_t obj_type) | |
223 | { | |
224 | int new_id = 0; | |
225 | int ret; | |
226 | ||
f453ba04 DA |
227 | again: |
228 | if (idr_pre_get(&dev->mode_config.crtc_idr, GFP_KERNEL) == 0) { | |
229 | DRM_ERROR("Ran out memory getting a mode number\n"); | |
230 | return -EINVAL; | |
231 | } | |
232 | ||
ad2563c2 | 233 | mutex_lock(&dev->mode_config.idr_mutex); |
f453ba04 | 234 | ret = idr_get_new_above(&dev->mode_config.crtc_idr, obj, 1, &new_id); |
ad2563c2 | 235 | mutex_unlock(&dev->mode_config.idr_mutex); |
f453ba04 DA |
236 | if (ret == -EAGAIN) |
237 | goto again; | |
238 | ||
239 | obj->id = new_id; | |
240 | obj->type = obj_type; | |
241 | return 0; | |
242 | } | |
243 | ||
244 | /** | |
245 | * drm_mode_object_put - free an identifer | |
246 | * @dev: DRM device | |
247 | * @id: ID to free | |
248 | * | |
249 | * LOCKING: | |
250 | * Caller must hold DRM mode_config lock. | |
251 | * | |
252 | * Free @id from @dev's unique identifier pool. | |
253 | */ | |
254 | static void drm_mode_object_put(struct drm_device *dev, | |
255 | struct drm_mode_object *object) | |
256 | { | |
ad2563c2 | 257 | mutex_lock(&dev->mode_config.idr_mutex); |
f453ba04 | 258 | idr_remove(&dev->mode_config.crtc_idr, object->id); |
ad2563c2 | 259 | mutex_unlock(&dev->mode_config.idr_mutex); |
f453ba04 DA |
260 | } |
261 | ||
7a9c9060 DV |
262 | struct drm_mode_object *drm_mode_object_find(struct drm_device *dev, |
263 | uint32_t id, uint32_t type) | |
f453ba04 | 264 | { |
ad2563c2 | 265 | struct drm_mode_object *obj = NULL; |
f453ba04 | 266 | |
ad2563c2 | 267 | mutex_lock(&dev->mode_config.idr_mutex); |
f453ba04 DA |
268 | obj = idr_find(&dev->mode_config.crtc_idr, id); |
269 | if (!obj || (obj->type != type) || (obj->id != id)) | |
ad2563c2 JB |
270 | obj = NULL; |
271 | mutex_unlock(&dev->mode_config.idr_mutex); | |
f453ba04 DA |
272 | |
273 | return obj; | |
274 | } | |
275 | EXPORT_SYMBOL(drm_mode_object_find); | |
276 | ||
f453ba04 DA |
277 | /** |
278 | * drm_framebuffer_init - initialize a framebuffer | |
279 | * @dev: DRM device | |
280 | * | |
281 | * LOCKING: | |
282 | * Caller must hold mode config lock. | |
283 | * | |
284 | * Allocates an ID for the framebuffer's parent mode object, sets its mode | |
285 | * functions & device file and adds it to the master fd list. | |
286 | * | |
287 | * RETURNS: | |
af901ca1 | 288 | * Zero on success, error code on failure. |
f453ba04 DA |
289 | */ |
290 | int drm_framebuffer_init(struct drm_device *dev, struct drm_framebuffer *fb, | |
291 | const struct drm_framebuffer_funcs *funcs) | |
292 | { | |
293 | int ret; | |
294 | ||
295 | ret = drm_mode_object_get(dev, &fb->base, DRM_MODE_OBJECT_FB); | |
296 | if (ret) { | |
297 | return ret; | |
298 | } | |
299 | ||
300 | fb->dev = dev; | |
301 | fb->funcs = funcs; | |
302 | dev->mode_config.num_fb++; | |
303 | list_add(&fb->head, &dev->mode_config.fb_list); | |
304 | ||
305 | return 0; | |
306 | } | |
307 | EXPORT_SYMBOL(drm_framebuffer_init); | |
308 | ||
309 | /** | |
310 | * drm_framebuffer_cleanup - remove a framebuffer object | |
311 | * @fb: framebuffer to remove | |
312 | * | |
313 | * LOCKING: | |
314 | * Caller must hold mode config lock. | |
315 | * | |
316 | * Scans all the CRTCs in @dev's mode_config. If they're using @fb, removes | |
317 | * it, setting it to NULL. | |
318 | */ | |
319 | void drm_framebuffer_cleanup(struct drm_framebuffer *fb) | |
320 | { | |
321 | struct drm_device *dev = fb->dev; | |
322 | struct drm_crtc *crtc; | |
8cf5c917 | 323 | struct drm_plane *plane; |
5ef5f72f DA |
324 | struct drm_mode_set set; |
325 | int ret; | |
f453ba04 DA |
326 | |
327 | /* remove from any CRTC */ | |
328 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { | |
5ef5f72f DA |
329 | if (crtc->fb == fb) { |
330 | /* should turn off the crtc */ | |
331 | memset(&set, 0, sizeof(struct drm_mode_set)); | |
332 | set.crtc = crtc; | |
333 | set.fb = NULL; | |
334 | ret = crtc->funcs->set_config(&set); | |
335 | if (ret) | |
336 | DRM_ERROR("failed to reset crtc %p when fb was deleted\n", crtc); | |
337 | } | |
f453ba04 DA |
338 | } |
339 | ||
8cf5c917 JB |
340 | list_for_each_entry(plane, &dev->mode_config.plane_list, head) { |
341 | if (plane->fb == fb) { | |
342 | /* should turn off the crtc */ | |
343 | ret = plane->funcs->disable_plane(plane); | |
344 | if (ret) | |
345 | DRM_ERROR("failed to disable plane with busy fb\n"); | |
a9971157 RC |
346 | /* disconnect the plane from the fb and crtc: */ |
347 | plane->fb = NULL; | |
348 | plane->crtc = NULL; | |
8cf5c917 JB |
349 | } |
350 | } | |
351 | ||
f453ba04 DA |
352 | drm_mode_object_put(dev, &fb->base); |
353 | list_del(&fb->head); | |
354 | dev->mode_config.num_fb--; | |
355 | } | |
356 | EXPORT_SYMBOL(drm_framebuffer_cleanup); | |
357 | ||
358 | /** | |
359 | * drm_crtc_init - Initialise a new CRTC object | |
360 | * @dev: DRM device | |
361 | * @crtc: CRTC object to init | |
362 | * @funcs: callbacks for the new CRTC | |
363 | * | |
364 | * LOCKING: | |
365 | * Caller must hold mode config lock. | |
366 | * | |
367 | * Inits a new object created as base part of an driver crtc object. | |
368 | */ | |
369 | void drm_crtc_init(struct drm_device *dev, struct drm_crtc *crtc, | |
370 | const struct drm_crtc_funcs *funcs) | |
371 | { | |
372 | crtc->dev = dev; | |
373 | crtc->funcs = funcs; | |
374 | ||
375 | mutex_lock(&dev->mode_config.mutex); | |
376 | drm_mode_object_get(dev, &crtc->base, DRM_MODE_OBJECT_CRTC); | |
377 | ||
378 | list_add_tail(&crtc->head, &dev->mode_config.crtc_list); | |
379 | dev->mode_config.num_crtc++; | |
380 | mutex_unlock(&dev->mode_config.mutex); | |
381 | } | |
382 | EXPORT_SYMBOL(drm_crtc_init); | |
383 | ||
384 | /** | |
385 | * drm_crtc_cleanup - Cleans up the core crtc usage. | |
386 | * @crtc: CRTC to cleanup | |
387 | * | |
388 | * LOCKING: | |
389 | * Caller must hold mode config lock. | |
390 | * | |
391 | * Cleanup @crtc. Removes from drm modesetting space | |
392 | * does NOT free object, caller does that. | |
393 | */ | |
394 | void drm_crtc_cleanup(struct drm_crtc *crtc) | |
395 | { | |
396 | struct drm_device *dev = crtc->dev; | |
397 | ||
398 | if (crtc->gamma_store) { | |
399 | kfree(crtc->gamma_store); | |
400 | crtc->gamma_store = NULL; | |
401 | } | |
402 | ||
403 | drm_mode_object_put(dev, &crtc->base); | |
404 | list_del(&crtc->head); | |
405 | dev->mode_config.num_crtc--; | |
406 | } | |
407 | EXPORT_SYMBOL(drm_crtc_cleanup); | |
408 | ||
409 | /** | |
410 | * drm_mode_probed_add - add a mode to a connector's probed mode list | |
411 | * @connector: connector the new mode | |
412 | * @mode: mode data | |
413 | * | |
414 | * LOCKING: | |
415 | * Caller must hold mode config lock. | |
416 | * | |
417 | * Add @mode to @connector's mode list for later use. | |
418 | */ | |
419 | void drm_mode_probed_add(struct drm_connector *connector, | |
420 | struct drm_display_mode *mode) | |
421 | { | |
422 | list_add(&mode->head, &connector->probed_modes); | |
423 | } | |
424 | EXPORT_SYMBOL(drm_mode_probed_add); | |
425 | ||
426 | /** | |
427 | * drm_mode_remove - remove and free a mode | |
428 | * @connector: connector list to modify | |
429 | * @mode: mode to remove | |
430 | * | |
431 | * LOCKING: | |
432 | * Caller must hold mode config lock. | |
433 | * | |
434 | * Remove @mode from @connector's mode list, then free it. | |
435 | */ | |
436 | void drm_mode_remove(struct drm_connector *connector, | |
437 | struct drm_display_mode *mode) | |
438 | { | |
439 | list_del(&mode->head); | |
554f1d78 | 440 | drm_mode_destroy(connector->dev, mode); |
f453ba04 DA |
441 | } |
442 | EXPORT_SYMBOL(drm_mode_remove); | |
443 | ||
444 | /** | |
445 | * drm_connector_init - Init a preallocated connector | |
446 | * @dev: DRM device | |
447 | * @connector: the connector to init | |
448 | * @funcs: callbacks for this connector | |
449 | * @name: user visible name of the connector | |
450 | * | |
451 | * LOCKING: | |
b20f3867 | 452 | * Takes mode config lock. |
f453ba04 DA |
453 | * |
454 | * Initialises a preallocated connector. Connectors should be | |
455 | * subclassed as part of driver connector objects. | |
456 | */ | |
457 | void drm_connector_init(struct drm_device *dev, | |
458 | struct drm_connector *connector, | |
459 | const struct drm_connector_funcs *funcs, | |
460 | int connector_type) | |
461 | { | |
462 | mutex_lock(&dev->mode_config.mutex); | |
463 | ||
464 | connector->dev = dev; | |
465 | connector->funcs = funcs; | |
466 | drm_mode_object_get(dev, &connector->base, DRM_MODE_OBJECT_CONNECTOR); | |
467 | connector->connector_type = connector_type; | |
468 | connector->connector_type_id = | |
469 | ++drm_connector_enum_list[connector_type].count; /* TODO */ | |
470 | INIT_LIST_HEAD(&connector->user_modes); | |
471 | INIT_LIST_HEAD(&connector->probed_modes); | |
472 | INIT_LIST_HEAD(&connector->modes); | |
473 | connector->edid_blob_ptr = NULL; | |
474 | ||
475 | list_add_tail(&connector->head, &dev->mode_config.connector_list); | |
476 | dev->mode_config.num_connector++; | |
477 | ||
a7331e5c TH |
478 | if (connector_type != DRM_MODE_CONNECTOR_VIRTUAL) |
479 | drm_connector_attach_property(connector, | |
480 | dev->mode_config.edid_property, | |
481 | 0); | |
f453ba04 DA |
482 | |
483 | drm_connector_attach_property(connector, | |
484 | dev->mode_config.dpms_property, 0); | |
485 | ||
486 | mutex_unlock(&dev->mode_config.mutex); | |
487 | } | |
488 | EXPORT_SYMBOL(drm_connector_init); | |
489 | ||
490 | /** | |
491 | * drm_connector_cleanup - cleans up an initialised connector | |
492 | * @connector: connector to cleanup | |
493 | * | |
494 | * LOCKING: | |
b20f3867 | 495 | * Takes mode config lock. |
f453ba04 DA |
496 | * |
497 | * Cleans up the connector but doesn't free the object. | |
498 | */ | |
499 | void drm_connector_cleanup(struct drm_connector *connector) | |
500 | { | |
501 | struct drm_device *dev = connector->dev; | |
502 | struct drm_display_mode *mode, *t; | |
503 | ||
504 | list_for_each_entry_safe(mode, t, &connector->probed_modes, head) | |
505 | drm_mode_remove(connector, mode); | |
506 | ||
507 | list_for_each_entry_safe(mode, t, &connector->modes, head) | |
508 | drm_mode_remove(connector, mode); | |
509 | ||
510 | list_for_each_entry_safe(mode, t, &connector->user_modes, head) | |
511 | drm_mode_remove(connector, mode); | |
512 | ||
513 | mutex_lock(&dev->mode_config.mutex); | |
514 | drm_mode_object_put(dev, &connector->base); | |
515 | list_del(&connector->head); | |
6380c509 | 516 | dev->mode_config.num_connector--; |
f453ba04 DA |
517 | mutex_unlock(&dev->mode_config.mutex); |
518 | } | |
519 | EXPORT_SYMBOL(drm_connector_cleanup); | |
520 | ||
521 | void drm_encoder_init(struct drm_device *dev, | |
522 | struct drm_encoder *encoder, | |
523 | const struct drm_encoder_funcs *funcs, | |
524 | int encoder_type) | |
525 | { | |
526 | mutex_lock(&dev->mode_config.mutex); | |
527 | ||
528 | encoder->dev = dev; | |
529 | ||
530 | drm_mode_object_get(dev, &encoder->base, DRM_MODE_OBJECT_ENCODER); | |
531 | encoder->encoder_type = encoder_type; | |
532 | encoder->funcs = funcs; | |
533 | ||
534 | list_add_tail(&encoder->head, &dev->mode_config.encoder_list); | |
535 | dev->mode_config.num_encoder++; | |
536 | ||
537 | mutex_unlock(&dev->mode_config.mutex); | |
538 | } | |
539 | EXPORT_SYMBOL(drm_encoder_init); | |
540 | ||
541 | void drm_encoder_cleanup(struct drm_encoder *encoder) | |
542 | { | |
543 | struct drm_device *dev = encoder->dev; | |
544 | mutex_lock(&dev->mode_config.mutex); | |
545 | drm_mode_object_put(dev, &encoder->base); | |
546 | list_del(&encoder->head); | |
6380c509 | 547 | dev->mode_config.num_encoder--; |
f453ba04 DA |
548 | mutex_unlock(&dev->mode_config.mutex); |
549 | } | |
550 | EXPORT_SYMBOL(drm_encoder_cleanup); | |
551 | ||
8cf5c917 JB |
552 | int drm_plane_init(struct drm_device *dev, struct drm_plane *plane, |
553 | unsigned long possible_crtcs, | |
554 | const struct drm_plane_funcs *funcs, | |
0a7eb243 RC |
555 | const uint32_t *formats, uint32_t format_count, |
556 | bool priv) | |
8cf5c917 JB |
557 | { |
558 | mutex_lock(&dev->mode_config.mutex); | |
559 | ||
560 | plane->dev = dev; | |
561 | drm_mode_object_get(dev, &plane->base, DRM_MODE_OBJECT_PLANE); | |
562 | plane->funcs = funcs; | |
563 | plane->format_types = kmalloc(sizeof(uint32_t) * format_count, | |
564 | GFP_KERNEL); | |
565 | if (!plane->format_types) { | |
566 | DRM_DEBUG_KMS("out of memory when allocating plane\n"); | |
567 | drm_mode_object_put(dev, &plane->base); | |
10bf573b | 568 | mutex_unlock(&dev->mode_config.mutex); |
8cf5c917 JB |
569 | return -ENOMEM; |
570 | } | |
571 | ||
308e5bcb | 572 | memcpy(plane->format_types, formats, format_count * sizeof(uint32_t)); |
8cf5c917 JB |
573 | plane->format_count = format_count; |
574 | plane->possible_crtcs = possible_crtcs; | |
575 | ||
0a7eb243 RC |
576 | /* private planes are not exposed to userspace, but depending on |
577 | * display hardware, might be convenient to allow sharing programming | |
578 | * for the scanout engine with the crtc implementation. | |
579 | */ | |
580 | if (!priv) { | |
581 | list_add_tail(&plane->head, &dev->mode_config.plane_list); | |
582 | dev->mode_config.num_plane++; | |
583 | } else { | |
584 | INIT_LIST_HEAD(&plane->head); | |
585 | } | |
8cf5c917 JB |
586 | |
587 | mutex_unlock(&dev->mode_config.mutex); | |
588 | ||
589 | return 0; | |
590 | } | |
591 | EXPORT_SYMBOL(drm_plane_init); | |
592 | ||
593 | void drm_plane_cleanup(struct drm_plane *plane) | |
594 | { | |
595 | struct drm_device *dev = plane->dev; | |
596 | ||
597 | mutex_lock(&dev->mode_config.mutex); | |
598 | kfree(plane->format_types); | |
599 | drm_mode_object_put(dev, &plane->base); | |
0a7eb243 RC |
600 | /* if not added to a list, it must be a private plane */ |
601 | if (!list_empty(&plane->head)) { | |
602 | list_del(&plane->head); | |
603 | dev->mode_config.num_plane--; | |
604 | } | |
8cf5c917 JB |
605 | mutex_unlock(&dev->mode_config.mutex); |
606 | } | |
607 | EXPORT_SYMBOL(drm_plane_cleanup); | |
608 | ||
f453ba04 DA |
609 | /** |
610 | * drm_mode_create - create a new display mode | |
611 | * @dev: DRM device | |
612 | * | |
613 | * LOCKING: | |
614 | * Caller must hold DRM mode_config lock. | |
615 | * | |
616 | * Create a new drm_display_mode, give it an ID, and return it. | |
617 | * | |
618 | * RETURNS: | |
619 | * Pointer to new mode on success, NULL on error. | |
620 | */ | |
621 | struct drm_display_mode *drm_mode_create(struct drm_device *dev) | |
622 | { | |
623 | struct drm_display_mode *nmode; | |
624 | ||
625 | nmode = kzalloc(sizeof(struct drm_display_mode), GFP_KERNEL); | |
626 | if (!nmode) | |
627 | return NULL; | |
628 | ||
629 | drm_mode_object_get(dev, &nmode->base, DRM_MODE_OBJECT_MODE); | |
630 | return nmode; | |
631 | } | |
632 | EXPORT_SYMBOL(drm_mode_create); | |
633 | ||
634 | /** | |
635 | * drm_mode_destroy - remove a mode | |
636 | * @dev: DRM device | |
637 | * @mode: mode to remove | |
638 | * | |
639 | * LOCKING: | |
640 | * Caller must hold mode config lock. | |
641 | * | |
642 | * Free @mode's unique identifier, then free it. | |
643 | */ | |
644 | void drm_mode_destroy(struct drm_device *dev, struct drm_display_mode *mode) | |
645 | { | |
646 | drm_mode_object_put(dev, &mode->base); | |
647 | ||
648 | kfree(mode); | |
649 | } | |
650 | EXPORT_SYMBOL(drm_mode_destroy); | |
651 | ||
652 | static int drm_mode_create_standard_connector_properties(struct drm_device *dev) | |
653 | { | |
654 | struct drm_property *edid; | |
655 | struct drm_property *dpms; | |
f453ba04 DA |
656 | |
657 | /* | |
658 | * Standard properties (apply to all connectors) | |
659 | */ | |
660 | edid = drm_property_create(dev, DRM_MODE_PROP_BLOB | | |
661 | DRM_MODE_PROP_IMMUTABLE, | |
662 | "EDID", 0); | |
663 | dev->mode_config.edid_property = edid; | |
664 | ||
4a67d391 SH |
665 | dpms = drm_property_create_enum(dev, 0, |
666 | "DPMS", drm_dpms_enum_list, | |
667 | ARRAY_SIZE(drm_dpms_enum_list)); | |
f453ba04 DA |
668 | dev->mode_config.dpms_property = dpms; |
669 | ||
670 | return 0; | |
671 | } | |
672 | ||
673 | /** | |
674 | * drm_mode_create_dvi_i_properties - create DVI-I specific connector properties | |
675 | * @dev: DRM device | |
676 | * | |
677 | * Called by a driver the first time a DVI-I connector is made. | |
678 | */ | |
679 | int drm_mode_create_dvi_i_properties(struct drm_device *dev) | |
680 | { | |
681 | struct drm_property *dvi_i_selector; | |
682 | struct drm_property *dvi_i_subconnector; | |
f453ba04 DA |
683 | |
684 | if (dev->mode_config.dvi_i_select_subconnector_property) | |
685 | return 0; | |
686 | ||
687 | dvi_i_selector = | |
4a67d391 | 688 | drm_property_create_enum(dev, 0, |
f453ba04 | 689 | "select subconnector", |
4a67d391 | 690 | drm_dvi_i_select_enum_list, |
f453ba04 | 691 | ARRAY_SIZE(drm_dvi_i_select_enum_list)); |
f453ba04 DA |
692 | dev->mode_config.dvi_i_select_subconnector_property = dvi_i_selector; |
693 | ||
4a67d391 | 694 | dvi_i_subconnector = drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, |
f453ba04 | 695 | "subconnector", |
4a67d391 | 696 | drm_dvi_i_subconnector_enum_list, |
f453ba04 | 697 | ARRAY_SIZE(drm_dvi_i_subconnector_enum_list)); |
f453ba04 DA |
698 | dev->mode_config.dvi_i_subconnector_property = dvi_i_subconnector; |
699 | ||
700 | return 0; | |
701 | } | |
702 | EXPORT_SYMBOL(drm_mode_create_dvi_i_properties); | |
703 | ||
704 | /** | |
705 | * drm_create_tv_properties - create TV specific connector properties | |
706 | * @dev: DRM device | |
707 | * @num_modes: number of different TV formats (modes) supported | |
708 | * @modes: array of pointers to strings containing name of each format | |
709 | * | |
710 | * Called by a driver's TV initialization routine, this function creates | |
711 | * the TV specific connector properties for a given device. Caller is | |
712 | * responsible for allocating a list of format names and passing them to | |
713 | * this routine. | |
714 | */ | |
715 | int drm_mode_create_tv_properties(struct drm_device *dev, int num_modes, | |
716 | char *modes[]) | |
717 | { | |
718 | struct drm_property *tv_selector; | |
719 | struct drm_property *tv_subconnector; | |
720 | int i; | |
721 | ||
722 | if (dev->mode_config.tv_select_subconnector_property) | |
723 | return 0; | |
724 | ||
725 | /* | |
726 | * Basic connector properties | |
727 | */ | |
4a67d391 | 728 | tv_selector = drm_property_create_enum(dev, 0, |
f453ba04 | 729 | "select subconnector", |
4a67d391 | 730 | drm_tv_select_enum_list, |
f453ba04 | 731 | ARRAY_SIZE(drm_tv_select_enum_list)); |
f453ba04 DA |
732 | dev->mode_config.tv_select_subconnector_property = tv_selector; |
733 | ||
734 | tv_subconnector = | |
4a67d391 SH |
735 | drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, |
736 | "subconnector", | |
737 | drm_tv_subconnector_enum_list, | |
f453ba04 | 738 | ARRAY_SIZE(drm_tv_subconnector_enum_list)); |
f453ba04 DA |
739 | dev->mode_config.tv_subconnector_property = tv_subconnector; |
740 | ||
741 | /* | |
742 | * Other, TV specific properties: margins & TV modes. | |
743 | */ | |
744 | dev->mode_config.tv_left_margin_property = | |
d9bc3c02 | 745 | drm_property_create_range(dev, 0, "left margin", 0, 100); |
f453ba04 DA |
746 | |
747 | dev->mode_config.tv_right_margin_property = | |
d9bc3c02 | 748 | drm_property_create_range(dev, 0, "right margin", 0, 100); |
f453ba04 DA |
749 | |
750 | dev->mode_config.tv_top_margin_property = | |
d9bc3c02 | 751 | drm_property_create_range(dev, 0, "top margin", 0, 100); |
f453ba04 DA |
752 | |
753 | dev->mode_config.tv_bottom_margin_property = | |
d9bc3c02 | 754 | drm_property_create_range(dev, 0, "bottom margin", 0, 100); |
f453ba04 DA |
755 | |
756 | dev->mode_config.tv_mode_property = | |
757 | drm_property_create(dev, DRM_MODE_PROP_ENUM, | |
758 | "mode", num_modes); | |
759 | for (i = 0; i < num_modes; i++) | |
760 | drm_property_add_enum(dev->mode_config.tv_mode_property, i, | |
761 | i, modes[i]); | |
762 | ||
b6b7902e | 763 | dev->mode_config.tv_brightness_property = |
d9bc3c02 | 764 | drm_property_create_range(dev, 0, "brightness", 0, 100); |
b6b7902e FJ |
765 | |
766 | dev->mode_config.tv_contrast_property = | |
d9bc3c02 | 767 | drm_property_create_range(dev, 0, "contrast", 0, 100); |
b6b7902e FJ |
768 | |
769 | dev->mode_config.tv_flicker_reduction_property = | |
d9bc3c02 | 770 | drm_property_create_range(dev, 0, "flicker reduction", 0, 100); |
b6b7902e | 771 | |
a75f0236 | 772 | dev->mode_config.tv_overscan_property = |
d9bc3c02 | 773 | drm_property_create_range(dev, 0, "overscan", 0, 100); |
a75f0236 FJ |
774 | |
775 | dev->mode_config.tv_saturation_property = | |
d9bc3c02 | 776 | drm_property_create_range(dev, 0, "saturation", 0, 100); |
a75f0236 FJ |
777 | |
778 | dev->mode_config.tv_hue_property = | |
d9bc3c02 | 779 | drm_property_create_range(dev, 0, "hue", 0, 100); |
a75f0236 | 780 | |
f453ba04 DA |
781 | return 0; |
782 | } | |
783 | EXPORT_SYMBOL(drm_mode_create_tv_properties); | |
784 | ||
785 | /** | |
786 | * drm_mode_create_scaling_mode_property - create scaling mode property | |
787 | * @dev: DRM device | |
788 | * | |
789 | * Called by a driver the first time it's needed, must be attached to desired | |
790 | * connectors. | |
791 | */ | |
792 | int drm_mode_create_scaling_mode_property(struct drm_device *dev) | |
793 | { | |
794 | struct drm_property *scaling_mode; | |
f453ba04 DA |
795 | |
796 | if (dev->mode_config.scaling_mode_property) | |
797 | return 0; | |
798 | ||
799 | scaling_mode = | |
4a67d391 SH |
800 | drm_property_create_enum(dev, 0, "scaling mode", |
801 | drm_scaling_mode_enum_list, | |
f453ba04 | 802 | ARRAY_SIZE(drm_scaling_mode_enum_list)); |
f453ba04 DA |
803 | |
804 | dev->mode_config.scaling_mode_property = scaling_mode; | |
805 | ||
806 | return 0; | |
807 | } | |
808 | EXPORT_SYMBOL(drm_mode_create_scaling_mode_property); | |
809 | ||
810 | /** | |
811 | * drm_mode_create_dithering_property - create dithering property | |
812 | * @dev: DRM device | |
813 | * | |
814 | * Called by a driver the first time it's needed, must be attached to desired | |
815 | * connectors. | |
816 | */ | |
817 | int drm_mode_create_dithering_property(struct drm_device *dev) | |
818 | { | |
819 | struct drm_property *dithering_mode; | |
f453ba04 DA |
820 | |
821 | if (dev->mode_config.dithering_mode_property) | |
822 | return 0; | |
823 | ||
824 | dithering_mode = | |
4a67d391 SH |
825 | drm_property_create_enum(dev, 0, "dithering", |
826 | drm_dithering_mode_enum_list, | |
f453ba04 | 827 | ARRAY_SIZE(drm_dithering_mode_enum_list)); |
f453ba04 DA |
828 | dev->mode_config.dithering_mode_property = dithering_mode; |
829 | ||
830 | return 0; | |
831 | } | |
832 | EXPORT_SYMBOL(drm_mode_create_dithering_property); | |
833 | ||
884840aa JB |
834 | /** |
835 | * drm_mode_create_dirty_property - create dirty property | |
836 | * @dev: DRM device | |
837 | * | |
838 | * Called by a driver the first time it's needed, must be attached to desired | |
839 | * connectors. | |
840 | */ | |
841 | int drm_mode_create_dirty_info_property(struct drm_device *dev) | |
842 | { | |
843 | struct drm_property *dirty_info; | |
884840aa JB |
844 | |
845 | if (dev->mode_config.dirty_info_property) | |
846 | return 0; | |
847 | ||
848 | dirty_info = | |
4a67d391 | 849 | drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, |
884840aa | 850 | "dirty", |
4a67d391 | 851 | drm_dirty_info_enum_list, |
884840aa | 852 | ARRAY_SIZE(drm_dirty_info_enum_list)); |
884840aa JB |
853 | dev->mode_config.dirty_info_property = dirty_info; |
854 | ||
855 | return 0; | |
856 | } | |
857 | EXPORT_SYMBOL(drm_mode_create_dirty_info_property); | |
858 | ||
f453ba04 DA |
859 | /** |
860 | * drm_mode_config_init - initialize DRM mode_configuration structure | |
861 | * @dev: DRM device | |
862 | * | |
863 | * LOCKING: | |
864 | * None, should happen single threaded at init time. | |
865 | * | |
866 | * Initialize @dev's mode_config structure, used for tracking the graphics | |
867 | * configuration of @dev. | |
868 | */ | |
869 | void drm_mode_config_init(struct drm_device *dev) | |
870 | { | |
871 | mutex_init(&dev->mode_config.mutex); | |
ad2563c2 | 872 | mutex_init(&dev->mode_config.idr_mutex); |
f453ba04 | 873 | INIT_LIST_HEAD(&dev->mode_config.fb_list); |
f453ba04 DA |
874 | INIT_LIST_HEAD(&dev->mode_config.crtc_list); |
875 | INIT_LIST_HEAD(&dev->mode_config.connector_list); | |
876 | INIT_LIST_HEAD(&dev->mode_config.encoder_list); | |
877 | INIT_LIST_HEAD(&dev->mode_config.property_list); | |
878 | INIT_LIST_HEAD(&dev->mode_config.property_blob_list); | |
8cf5c917 | 879 | INIT_LIST_HEAD(&dev->mode_config.plane_list); |
f453ba04 DA |
880 | idr_init(&dev->mode_config.crtc_idr); |
881 | ||
882 | mutex_lock(&dev->mode_config.mutex); | |
883 | drm_mode_create_standard_connector_properties(dev); | |
884 | mutex_unlock(&dev->mode_config.mutex); | |
885 | ||
886 | /* Just to be sure */ | |
887 | dev->mode_config.num_fb = 0; | |
888 | dev->mode_config.num_connector = 0; | |
889 | dev->mode_config.num_crtc = 0; | |
890 | dev->mode_config.num_encoder = 0; | |
f453ba04 DA |
891 | } |
892 | EXPORT_SYMBOL(drm_mode_config_init); | |
893 | ||
894 | int drm_mode_group_init(struct drm_device *dev, struct drm_mode_group *group) | |
895 | { | |
896 | uint32_t total_objects = 0; | |
897 | ||
898 | total_objects += dev->mode_config.num_crtc; | |
899 | total_objects += dev->mode_config.num_connector; | |
900 | total_objects += dev->mode_config.num_encoder; | |
901 | ||
f453ba04 DA |
902 | group->id_list = kzalloc(total_objects * sizeof(uint32_t), GFP_KERNEL); |
903 | if (!group->id_list) | |
904 | return -ENOMEM; | |
905 | ||
906 | group->num_crtcs = 0; | |
907 | group->num_connectors = 0; | |
908 | group->num_encoders = 0; | |
909 | return 0; | |
910 | } | |
911 | ||
912 | int drm_mode_group_init_legacy_group(struct drm_device *dev, | |
913 | struct drm_mode_group *group) | |
914 | { | |
915 | struct drm_crtc *crtc; | |
916 | struct drm_encoder *encoder; | |
917 | struct drm_connector *connector; | |
918 | int ret; | |
919 | ||
920 | if ((ret = drm_mode_group_init(dev, group))) | |
921 | return ret; | |
922 | ||
923 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) | |
924 | group->id_list[group->num_crtcs++] = crtc->base.id; | |
925 | ||
926 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) | |
927 | group->id_list[group->num_crtcs + group->num_encoders++] = | |
928 | encoder->base.id; | |
929 | ||
930 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) | |
931 | group->id_list[group->num_crtcs + group->num_encoders + | |
932 | group->num_connectors++] = connector->base.id; | |
933 | ||
934 | return 0; | |
935 | } | |
936 | ||
937 | /** | |
938 | * drm_mode_config_cleanup - free up DRM mode_config info | |
939 | * @dev: DRM device | |
940 | * | |
941 | * LOCKING: | |
942 | * Caller must hold mode config lock. | |
943 | * | |
944 | * Free up all the connectors and CRTCs associated with this DRM device, then | |
945 | * free up the framebuffers and associated buffer objects. | |
946 | * | |
947 | * FIXME: cleanup any dangling user buffer objects too | |
948 | */ | |
949 | void drm_mode_config_cleanup(struct drm_device *dev) | |
950 | { | |
951 | struct drm_connector *connector, *ot; | |
952 | struct drm_crtc *crtc, *ct; | |
953 | struct drm_encoder *encoder, *enct; | |
954 | struct drm_framebuffer *fb, *fbt; | |
955 | struct drm_property *property, *pt; | |
8cf5c917 | 956 | struct drm_plane *plane, *plt; |
f453ba04 DA |
957 | |
958 | list_for_each_entry_safe(encoder, enct, &dev->mode_config.encoder_list, | |
959 | head) { | |
960 | encoder->funcs->destroy(encoder); | |
961 | } | |
962 | ||
963 | list_for_each_entry_safe(connector, ot, | |
964 | &dev->mode_config.connector_list, head) { | |
965 | connector->funcs->destroy(connector); | |
966 | } | |
967 | ||
968 | list_for_each_entry_safe(property, pt, &dev->mode_config.property_list, | |
969 | head) { | |
970 | drm_property_destroy(dev, property); | |
971 | } | |
972 | ||
973 | list_for_each_entry_safe(fb, fbt, &dev->mode_config.fb_list, head) { | |
974 | fb->funcs->destroy(fb); | |
975 | } | |
976 | ||
977 | list_for_each_entry_safe(crtc, ct, &dev->mode_config.crtc_list, head) { | |
978 | crtc->funcs->destroy(crtc); | |
979 | } | |
980 | ||
8cf5c917 JB |
981 | list_for_each_entry_safe(plane, plt, &dev->mode_config.plane_list, |
982 | head) { | |
983 | plane->funcs->destroy(plane); | |
984 | } | |
59ce062e SH |
985 | |
986 | idr_remove_all(&dev->mode_config.crtc_idr); | |
987 | idr_destroy(&dev->mode_config.crtc_idr); | |
f453ba04 DA |
988 | } |
989 | EXPORT_SYMBOL(drm_mode_config_cleanup); | |
990 | ||
f453ba04 DA |
991 | /** |
992 | * drm_crtc_convert_to_umode - convert a drm_display_mode into a modeinfo | |
993 | * @out: drm_mode_modeinfo struct to return to the user | |
994 | * @in: drm_display_mode to use | |
995 | * | |
996 | * LOCKING: | |
997 | * None. | |
998 | * | |
999 | * Convert a drm_display_mode into a drm_mode_modeinfo structure to return to | |
1000 | * the user. | |
1001 | */ | |
1002 | void drm_crtc_convert_to_umode(struct drm_mode_modeinfo *out, | |
1003 | struct drm_display_mode *in) | |
1004 | { | |
e36fae38 VS |
1005 | WARN(in->hdisplay > USHRT_MAX || in->hsync_start > USHRT_MAX || |
1006 | in->hsync_end > USHRT_MAX || in->htotal > USHRT_MAX || | |
1007 | in->hskew > USHRT_MAX || in->vdisplay > USHRT_MAX || | |
1008 | in->vsync_start > USHRT_MAX || in->vsync_end > USHRT_MAX || | |
1009 | in->vtotal > USHRT_MAX || in->vscan > USHRT_MAX, | |
1010 | "timing values too large for mode info\n"); | |
1011 | ||
f453ba04 DA |
1012 | out->clock = in->clock; |
1013 | out->hdisplay = in->hdisplay; | |
1014 | out->hsync_start = in->hsync_start; | |
1015 | out->hsync_end = in->hsync_end; | |
1016 | out->htotal = in->htotal; | |
1017 | out->hskew = in->hskew; | |
1018 | out->vdisplay = in->vdisplay; | |
1019 | out->vsync_start = in->vsync_start; | |
1020 | out->vsync_end = in->vsync_end; | |
1021 | out->vtotal = in->vtotal; | |
1022 | out->vscan = in->vscan; | |
1023 | out->vrefresh = in->vrefresh; | |
1024 | out->flags = in->flags; | |
1025 | out->type = in->type; | |
1026 | strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN); | |
1027 | out->name[DRM_DISPLAY_MODE_LEN-1] = 0; | |
1028 | } | |
1029 | ||
1030 | /** | |
1031 | * drm_crtc_convert_to_umode - convert a modeinfo into a drm_display_mode | |
1032 | * @out: drm_display_mode to return to the user | |
1033 | * @in: drm_mode_modeinfo to use | |
1034 | * | |
1035 | * LOCKING: | |
1036 | * None. | |
1037 | * | |
1038 | * Convert a drm_mode_modeinfo into a drm_display_mode structure to return to | |
1039 | * the caller. | |
1040 | */ | |
1041 | void drm_crtc_convert_umode(struct drm_display_mode *out, | |
1042 | struct drm_mode_modeinfo *in) | |
1043 | { | |
1044 | out->clock = in->clock; | |
1045 | out->hdisplay = in->hdisplay; | |
1046 | out->hsync_start = in->hsync_start; | |
1047 | out->hsync_end = in->hsync_end; | |
1048 | out->htotal = in->htotal; | |
1049 | out->hskew = in->hskew; | |
1050 | out->vdisplay = in->vdisplay; | |
1051 | out->vsync_start = in->vsync_start; | |
1052 | out->vsync_end = in->vsync_end; | |
1053 | out->vtotal = in->vtotal; | |
1054 | out->vscan = in->vscan; | |
1055 | out->vrefresh = in->vrefresh; | |
1056 | out->flags = in->flags; | |
1057 | out->type = in->type; | |
1058 | strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN); | |
1059 | out->name[DRM_DISPLAY_MODE_LEN-1] = 0; | |
1060 | } | |
1061 | ||
1062 | /** | |
1063 | * drm_mode_getresources - get graphics configuration | |
1064 | * @inode: inode from the ioctl | |
1065 | * @filp: file * from the ioctl | |
1066 | * @cmd: cmd from ioctl | |
1067 | * @arg: arg from ioctl | |
1068 | * | |
1069 | * LOCKING: | |
1070 | * Takes mode config lock. | |
1071 | * | |
1072 | * Construct a set of configuration description structures and return | |
1073 | * them to the user, including CRTC, connector and framebuffer configuration. | |
1074 | * | |
1075 | * Called by the user via ioctl. | |
1076 | * | |
1077 | * RETURNS: | |
1078 | * Zero on success, errno on failure. | |
1079 | */ | |
1080 | int drm_mode_getresources(struct drm_device *dev, void *data, | |
1081 | struct drm_file *file_priv) | |
1082 | { | |
1083 | struct drm_mode_card_res *card_res = data; | |
1084 | struct list_head *lh; | |
1085 | struct drm_framebuffer *fb; | |
1086 | struct drm_connector *connector; | |
1087 | struct drm_crtc *crtc; | |
1088 | struct drm_encoder *encoder; | |
1089 | int ret = 0; | |
1090 | int connector_count = 0; | |
1091 | int crtc_count = 0; | |
1092 | int fb_count = 0; | |
1093 | int encoder_count = 0; | |
1094 | int copied = 0, i; | |
1095 | uint32_t __user *fb_id; | |
1096 | uint32_t __user *crtc_id; | |
1097 | uint32_t __user *connector_id; | |
1098 | uint32_t __user *encoder_id; | |
1099 | struct drm_mode_group *mode_group; | |
1100 | ||
fb3b06c8 DA |
1101 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
1102 | return -EINVAL; | |
1103 | ||
f453ba04 DA |
1104 | mutex_lock(&dev->mode_config.mutex); |
1105 | ||
1106 | /* | |
1107 | * For the non-control nodes we need to limit the list of resources | |
1108 | * by IDs in the group list for this node | |
1109 | */ | |
1110 | list_for_each(lh, &file_priv->fbs) | |
1111 | fb_count++; | |
1112 | ||
1113 | mode_group = &file_priv->master->minor->mode_group; | |
1114 | if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { | |
1115 | ||
1116 | list_for_each(lh, &dev->mode_config.crtc_list) | |
1117 | crtc_count++; | |
1118 | ||
1119 | list_for_each(lh, &dev->mode_config.connector_list) | |
1120 | connector_count++; | |
1121 | ||
1122 | list_for_each(lh, &dev->mode_config.encoder_list) | |
1123 | encoder_count++; | |
1124 | } else { | |
1125 | ||
1126 | crtc_count = mode_group->num_crtcs; | |
1127 | connector_count = mode_group->num_connectors; | |
1128 | encoder_count = mode_group->num_encoders; | |
1129 | } | |
1130 | ||
1131 | card_res->max_height = dev->mode_config.max_height; | |
1132 | card_res->min_height = dev->mode_config.min_height; | |
1133 | card_res->max_width = dev->mode_config.max_width; | |
1134 | card_res->min_width = dev->mode_config.min_width; | |
1135 | ||
1136 | /* handle this in 4 parts */ | |
1137 | /* FBs */ | |
1138 | if (card_res->count_fbs >= fb_count) { | |
1139 | copied = 0; | |
1140 | fb_id = (uint32_t __user *)(unsigned long)card_res->fb_id_ptr; | |
618c75e4 | 1141 | list_for_each_entry(fb, &file_priv->fbs, filp_head) { |
f453ba04 DA |
1142 | if (put_user(fb->base.id, fb_id + copied)) { |
1143 | ret = -EFAULT; | |
1144 | goto out; | |
1145 | } | |
1146 | copied++; | |
1147 | } | |
1148 | } | |
1149 | card_res->count_fbs = fb_count; | |
1150 | ||
1151 | /* CRTCs */ | |
1152 | if (card_res->count_crtcs >= crtc_count) { | |
1153 | copied = 0; | |
1154 | crtc_id = (uint32_t __user *)(unsigned long)card_res->crtc_id_ptr; | |
1155 | if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { | |
1156 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, | |
1157 | head) { | |
9440106b | 1158 | DRM_DEBUG_KMS("[CRTC:%d]\n", crtc->base.id); |
f453ba04 DA |
1159 | if (put_user(crtc->base.id, crtc_id + copied)) { |
1160 | ret = -EFAULT; | |
1161 | goto out; | |
1162 | } | |
1163 | copied++; | |
1164 | } | |
1165 | } else { | |
1166 | for (i = 0; i < mode_group->num_crtcs; i++) { | |
1167 | if (put_user(mode_group->id_list[i], | |
1168 | crtc_id + copied)) { | |
1169 | ret = -EFAULT; | |
1170 | goto out; | |
1171 | } | |
1172 | copied++; | |
1173 | } | |
1174 | } | |
1175 | } | |
1176 | card_res->count_crtcs = crtc_count; | |
1177 | ||
1178 | /* Encoders */ | |
1179 | if (card_res->count_encoders >= encoder_count) { | |
1180 | copied = 0; | |
1181 | encoder_id = (uint32_t __user *)(unsigned long)card_res->encoder_id_ptr; | |
1182 | if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { | |
1183 | list_for_each_entry(encoder, | |
1184 | &dev->mode_config.encoder_list, | |
1185 | head) { | |
9440106b JG |
1186 | DRM_DEBUG_KMS("[ENCODER:%d:%s]\n", encoder->base.id, |
1187 | drm_get_encoder_name(encoder)); | |
f453ba04 DA |
1188 | if (put_user(encoder->base.id, encoder_id + |
1189 | copied)) { | |
1190 | ret = -EFAULT; | |
1191 | goto out; | |
1192 | } | |
1193 | copied++; | |
1194 | } | |
1195 | } else { | |
1196 | for (i = mode_group->num_crtcs; i < mode_group->num_crtcs + mode_group->num_encoders; i++) { | |
1197 | if (put_user(mode_group->id_list[i], | |
1198 | encoder_id + copied)) { | |
1199 | ret = -EFAULT; | |
1200 | goto out; | |
1201 | } | |
1202 | copied++; | |
1203 | } | |
1204 | ||
1205 | } | |
1206 | } | |
1207 | card_res->count_encoders = encoder_count; | |
1208 | ||
1209 | /* Connectors */ | |
1210 | if (card_res->count_connectors >= connector_count) { | |
1211 | copied = 0; | |
1212 | connector_id = (uint32_t __user *)(unsigned long)card_res->connector_id_ptr; | |
1213 | if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { | |
1214 | list_for_each_entry(connector, | |
1215 | &dev->mode_config.connector_list, | |
1216 | head) { | |
9440106b JG |
1217 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", |
1218 | connector->base.id, | |
1219 | drm_get_connector_name(connector)); | |
f453ba04 DA |
1220 | if (put_user(connector->base.id, |
1221 | connector_id + copied)) { | |
1222 | ret = -EFAULT; | |
1223 | goto out; | |
1224 | } | |
1225 | copied++; | |
1226 | } | |
1227 | } else { | |
1228 | int start = mode_group->num_crtcs + | |
1229 | mode_group->num_encoders; | |
1230 | for (i = start; i < start + mode_group->num_connectors; i++) { | |
1231 | if (put_user(mode_group->id_list[i], | |
1232 | connector_id + copied)) { | |
1233 | ret = -EFAULT; | |
1234 | goto out; | |
1235 | } | |
1236 | copied++; | |
1237 | } | |
1238 | } | |
1239 | } | |
1240 | card_res->count_connectors = connector_count; | |
1241 | ||
9440106b | 1242 | DRM_DEBUG_KMS("CRTC[%d] CONNECTORS[%d] ENCODERS[%d]\n", card_res->count_crtcs, |
f453ba04 DA |
1243 | card_res->count_connectors, card_res->count_encoders); |
1244 | ||
1245 | out: | |
1246 | mutex_unlock(&dev->mode_config.mutex); | |
1247 | return ret; | |
1248 | } | |
1249 | ||
1250 | /** | |
1251 | * drm_mode_getcrtc - get CRTC configuration | |
1252 | * @inode: inode from the ioctl | |
1253 | * @filp: file * from the ioctl | |
1254 | * @cmd: cmd from ioctl | |
1255 | * @arg: arg from ioctl | |
1256 | * | |
1257 | * LOCKING: | |
b20f3867 | 1258 | * Takes mode config lock. |
f453ba04 DA |
1259 | * |
1260 | * Construct a CRTC configuration structure to return to the user. | |
1261 | * | |
1262 | * Called by the user via ioctl. | |
1263 | * | |
1264 | * RETURNS: | |
1265 | * Zero on success, errno on failure. | |
1266 | */ | |
1267 | int drm_mode_getcrtc(struct drm_device *dev, | |
1268 | void *data, struct drm_file *file_priv) | |
1269 | { | |
1270 | struct drm_mode_crtc *crtc_resp = data; | |
1271 | struct drm_crtc *crtc; | |
1272 | struct drm_mode_object *obj; | |
1273 | int ret = 0; | |
1274 | ||
fb3b06c8 DA |
1275 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
1276 | return -EINVAL; | |
1277 | ||
f453ba04 DA |
1278 | mutex_lock(&dev->mode_config.mutex); |
1279 | ||
1280 | obj = drm_mode_object_find(dev, crtc_resp->crtc_id, | |
1281 | DRM_MODE_OBJECT_CRTC); | |
1282 | if (!obj) { | |
1283 | ret = -EINVAL; | |
1284 | goto out; | |
1285 | } | |
1286 | crtc = obj_to_crtc(obj); | |
1287 | ||
1288 | crtc_resp->x = crtc->x; | |
1289 | crtc_resp->y = crtc->y; | |
1290 | crtc_resp->gamma_size = crtc->gamma_size; | |
1291 | if (crtc->fb) | |
1292 | crtc_resp->fb_id = crtc->fb->base.id; | |
1293 | else | |
1294 | crtc_resp->fb_id = 0; | |
1295 | ||
1296 | if (crtc->enabled) { | |
1297 | ||
1298 | drm_crtc_convert_to_umode(&crtc_resp->mode, &crtc->mode); | |
1299 | crtc_resp->mode_valid = 1; | |
1300 | ||
1301 | } else { | |
1302 | crtc_resp->mode_valid = 0; | |
1303 | } | |
1304 | ||
1305 | out: | |
1306 | mutex_unlock(&dev->mode_config.mutex); | |
1307 | return ret; | |
1308 | } | |
1309 | ||
1310 | /** | |
1311 | * drm_mode_getconnector - get connector configuration | |
1312 | * @inode: inode from the ioctl | |
1313 | * @filp: file * from the ioctl | |
1314 | * @cmd: cmd from ioctl | |
1315 | * @arg: arg from ioctl | |
1316 | * | |
1317 | * LOCKING: | |
b20f3867 | 1318 | * Takes mode config lock. |
f453ba04 DA |
1319 | * |
1320 | * Construct a connector configuration structure to return to the user. | |
1321 | * | |
1322 | * Called by the user via ioctl. | |
1323 | * | |
1324 | * RETURNS: | |
1325 | * Zero on success, errno on failure. | |
1326 | */ | |
1327 | int drm_mode_getconnector(struct drm_device *dev, void *data, | |
1328 | struct drm_file *file_priv) | |
1329 | { | |
1330 | struct drm_mode_get_connector *out_resp = data; | |
1331 | struct drm_mode_object *obj; | |
1332 | struct drm_connector *connector; | |
1333 | struct drm_display_mode *mode; | |
1334 | int mode_count = 0; | |
1335 | int props_count = 0; | |
1336 | int encoders_count = 0; | |
1337 | int ret = 0; | |
1338 | int copied = 0; | |
1339 | int i; | |
1340 | struct drm_mode_modeinfo u_mode; | |
1341 | struct drm_mode_modeinfo __user *mode_ptr; | |
1342 | uint32_t __user *prop_ptr; | |
1343 | uint64_t __user *prop_values; | |
1344 | uint32_t __user *encoder_ptr; | |
1345 | ||
fb3b06c8 DA |
1346 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
1347 | return -EINVAL; | |
1348 | ||
f453ba04 DA |
1349 | memset(&u_mode, 0, sizeof(struct drm_mode_modeinfo)); |
1350 | ||
9440106b | 1351 | DRM_DEBUG_KMS("[CONNECTOR:%d:?]\n", out_resp->connector_id); |
f453ba04 DA |
1352 | |
1353 | mutex_lock(&dev->mode_config.mutex); | |
1354 | ||
1355 | obj = drm_mode_object_find(dev, out_resp->connector_id, | |
1356 | DRM_MODE_OBJECT_CONNECTOR); | |
1357 | if (!obj) { | |
1358 | ret = -EINVAL; | |
1359 | goto out; | |
1360 | } | |
1361 | connector = obj_to_connector(obj); | |
1362 | ||
1363 | for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) { | |
1364 | if (connector->property_ids[i] != 0) { | |
1365 | props_count++; | |
1366 | } | |
1367 | } | |
1368 | ||
1369 | for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { | |
1370 | if (connector->encoder_ids[i] != 0) { | |
1371 | encoders_count++; | |
1372 | } | |
1373 | } | |
1374 | ||
1375 | if (out_resp->count_modes == 0) { | |
1376 | connector->funcs->fill_modes(connector, | |
1377 | dev->mode_config.max_width, | |
1378 | dev->mode_config.max_height); | |
1379 | } | |
1380 | ||
1381 | /* delayed so we get modes regardless of pre-fill_modes state */ | |
1382 | list_for_each_entry(mode, &connector->modes, head) | |
1383 | mode_count++; | |
1384 | ||
1385 | out_resp->connector_id = connector->base.id; | |
1386 | out_resp->connector_type = connector->connector_type; | |
1387 | out_resp->connector_type_id = connector->connector_type_id; | |
1388 | out_resp->mm_width = connector->display_info.width_mm; | |
1389 | out_resp->mm_height = connector->display_info.height_mm; | |
1390 | out_resp->subpixel = connector->display_info.subpixel_order; | |
1391 | out_resp->connection = connector->status; | |
1392 | if (connector->encoder) | |
1393 | out_resp->encoder_id = connector->encoder->base.id; | |
1394 | else | |
1395 | out_resp->encoder_id = 0; | |
1396 | ||
1397 | /* | |
1398 | * This ioctl is called twice, once to determine how much space is | |
1399 | * needed, and the 2nd time to fill it. | |
1400 | */ | |
1401 | if ((out_resp->count_modes >= mode_count) && mode_count) { | |
1402 | copied = 0; | |
81f6c7f8 | 1403 | mode_ptr = (struct drm_mode_modeinfo __user *)(unsigned long)out_resp->modes_ptr; |
f453ba04 DA |
1404 | list_for_each_entry(mode, &connector->modes, head) { |
1405 | drm_crtc_convert_to_umode(&u_mode, mode); | |
1406 | if (copy_to_user(mode_ptr + copied, | |
1407 | &u_mode, sizeof(u_mode))) { | |
1408 | ret = -EFAULT; | |
1409 | goto out; | |
1410 | } | |
1411 | copied++; | |
1412 | } | |
1413 | } | |
1414 | out_resp->count_modes = mode_count; | |
1415 | ||
1416 | if ((out_resp->count_props >= props_count) && props_count) { | |
1417 | copied = 0; | |
81f6c7f8 VS |
1418 | prop_ptr = (uint32_t __user *)(unsigned long)(out_resp->props_ptr); |
1419 | prop_values = (uint64_t __user *)(unsigned long)(out_resp->prop_values_ptr); | |
f453ba04 DA |
1420 | for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) { |
1421 | if (connector->property_ids[i] != 0) { | |
1422 | if (put_user(connector->property_ids[i], | |
1423 | prop_ptr + copied)) { | |
1424 | ret = -EFAULT; | |
1425 | goto out; | |
1426 | } | |
1427 | ||
1428 | if (put_user(connector->property_values[i], | |
1429 | prop_values + copied)) { | |
1430 | ret = -EFAULT; | |
1431 | goto out; | |
1432 | } | |
1433 | copied++; | |
1434 | } | |
1435 | } | |
1436 | } | |
1437 | out_resp->count_props = props_count; | |
1438 | ||
1439 | if ((out_resp->count_encoders >= encoders_count) && encoders_count) { | |
1440 | copied = 0; | |
81f6c7f8 | 1441 | encoder_ptr = (uint32_t __user *)(unsigned long)(out_resp->encoders_ptr); |
f453ba04 DA |
1442 | for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { |
1443 | if (connector->encoder_ids[i] != 0) { | |
1444 | if (put_user(connector->encoder_ids[i], | |
1445 | encoder_ptr + copied)) { | |
1446 | ret = -EFAULT; | |
1447 | goto out; | |
1448 | } | |
1449 | copied++; | |
1450 | } | |
1451 | } | |
1452 | } | |
1453 | out_resp->count_encoders = encoders_count; | |
1454 | ||
1455 | out: | |
1456 | mutex_unlock(&dev->mode_config.mutex); | |
1457 | return ret; | |
1458 | } | |
1459 | ||
1460 | int drm_mode_getencoder(struct drm_device *dev, void *data, | |
1461 | struct drm_file *file_priv) | |
1462 | { | |
1463 | struct drm_mode_get_encoder *enc_resp = data; | |
1464 | struct drm_mode_object *obj; | |
1465 | struct drm_encoder *encoder; | |
1466 | int ret = 0; | |
1467 | ||
fb3b06c8 DA |
1468 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
1469 | return -EINVAL; | |
1470 | ||
f453ba04 DA |
1471 | mutex_lock(&dev->mode_config.mutex); |
1472 | obj = drm_mode_object_find(dev, enc_resp->encoder_id, | |
1473 | DRM_MODE_OBJECT_ENCODER); | |
1474 | if (!obj) { | |
1475 | ret = -EINVAL; | |
1476 | goto out; | |
1477 | } | |
1478 | encoder = obj_to_encoder(obj); | |
1479 | ||
1480 | if (encoder->crtc) | |
1481 | enc_resp->crtc_id = encoder->crtc->base.id; | |
1482 | else | |
1483 | enc_resp->crtc_id = 0; | |
1484 | enc_resp->encoder_type = encoder->encoder_type; | |
1485 | enc_resp->encoder_id = encoder->base.id; | |
1486 | enc_resp->possible_crtcs = encoder->possible_crtcs; | |
1487 | enc_resp->possible_clones = encoder->possible_clones; | |
1488 | ||
1489 | out: | |
1490 | mutex_unlock(&dev->mode_config.mutex); | |
1491 | return ret; | |
1492 | } | |
1493 | ||
8cf5c917 JB |
1494 | /** |
1495 | * drm_mode_getplane_res - get plane info | |
1496 | * @dev: DRM device | |
1497 | * @data: ioctl data | |
1498 | * @file_priv: DRM file info | |
1499 | * | |
b20f3867 SH |
1500 | * LOCKING: |
1501 | * Takes mode config lock. | |
1502 | * | |
8cf5c917 JB |
1503 | * Return an plane count and set of IDs. |
1504 | */ | |
1505 | int drm_mode_getplane_res(struct drm_device *dev, void *data, | |
1506 | struct drm_file *file_priv) | |
1507 | { | |
1508 | struct drm_mode_get_plane_res *plane_resp = data; | |
1509 | struct drm_mode_config *config; | |
1510 | struct drm_plane *plane; | |
1511 | uint32_t __user *plane_ptr; | |
1512 | int copied = 0, ret = 0; | |
1513 | ||
1514 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) | |
1515 | return -EINVAL; | |
1516 | ||
1517 | mutex_lock(&dev->mode_config.mutex); | |
1518 | config = &dev->mode_config; | |
1519 | ||
1520 | /* | |
1521 | * This ioctl is called twice, once to determine how much space is | |
1522 | * needed, and the 2nd time to fill it. | |
1523 | */ | |
1524 | if (config->num_plane && | |
1525 | (plane_resp->count_planes >= config->num_plane)) { | |
81f6c7f8 | 1526 | plane_ptr = (uint32_t __user *)(unsigned long)plane_resp->plane_id_ptr; |
8cf5c917 JB |
1527 | |
1528 | list_for_each_entry(plane, &config->plane_list, head) { | |
1529 | if (put_user(plane->base.id, plane_ptr + copied)) { | |
1530 | ret = -EFAULT; | |
1531 | goto out; | |
1532 | } | |
1533 | copied++; | |
1534 | } | |
1535 | } | |
1536 | plane_resp->count_planes = config->num_plane; | |
1537 | ||
1538 | out: | |
1539 | mutex_unlock(&dev->mode_config.mutex); | |
1540 | return ret; | |
1541 | } | |
1542 | ||
1543 | /** | |
1544 | * drm_mode_getplane - get plane info | |
1545 | * @dev: DRM device | |
1546 | * @data: ioctl data | |
1547 | * @file_priv: DRM file info | |
1548 | * | |
b20f3867 SH |
1549 | * LOCKING: |
1550 | * Takes mode config lock. | |
1551 | * | |
8cf5c917 JB |
1552 | * Return plane info, including formats supported, gamma size, any |
1553 | * current fb, etc. | |
1554 | */ | |
1555 | int drm_mode_getplane(struct drm_device *dev, void *data, | |
1556 | struct drm_file *file_priv) | |
1557 | { | |
1558 | struct drm_mode_get_plane *plane_resp = data; | |
1559 | struct drm_mode_object *obj; | |
1560 | struct drm_plane *plane; | |
1561 | uint32_t __user *format_ptr; | |
1562 | int ret = 0; | |
1563 | ||
1564 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) | |
1565 | return -EINVAL; | |
1566 | ||
1567 | mutex_lock(&dev->mode_config.mutex); | |
1568 | obj = drm_mode_object_find(dev, plane_resp->plane_id, | |
1569 | DRM_MODE_OBJECT_PLANE); | |
1570 | if (!obj) { | |
1571 | ret = -ENOENT; | |
1572 | goto out; | |
1573 | } | |
1574 | plane = obj_to_plane(obj); | |
1575 | ||
1576 | if (plane->crtc) | |
1577 | plane_resp->crtc_id = plane->crtc->base.id; | |
1578 | else | |
1579 | plane_resp->crtc_id = 0; | |
1580 | ||
1581 | if (plane->fb) | |
1582 | plane_resp->fb_id = plane->fb->base.id; | |
1583 | else | |
1584 | plane_resp->fb_id = 0; | |
1585 | ||
1586 | plane_resp->plane_id = plane->base.id; | |
1587 | plane_resp->possible_crtcs = plane->possible_crtcs; | |
1588 | plane_resp->gamma_size = plane->gamma_size; | |
1589 | ||
1590 | /* | |
1591 | * This ioctl is called twice, once to determine how much space is | |
1592 | * needed, and the 2nd time to fill it. | |
1593 | */ | |
1594 | if (plane->format_count && | |
1595 | (plane_resp->count_format_types >= plane->format_count)) { | |
81f6c7f8 | 1596 | format_ptr = (uint32_t __user *)(unsigned long)plane_resp->format_type_ptr; |
8cf5c917 JB |
1597 | if (copy_to_user(format_ptr, |
1598 | plane->format_types, | |
1599 | sizeof(uint32_t) * plane->format_count)) { | |
1600 | ret = -EFAULT; | |
1601 | goto out; | |
1602 | } | |
1603 | } | |
1604 | plane_resp->count_format_types = plane->format_count; | |
1605 | ||
1606 | out: | |
1607 | mutex_unlock(&dev->mode_config.mutex); | |
1608 | return ret; | |
1609 | } | |
1610 | ||
1611 | /** | |
1612 | * drm_mode_setplane - set up or tear down an plane | |
1613 | * @dev: DRM device | |
1614 | * @data: ioctl data* | |
1615 | * @file_prive: DRM file info | |
1616 | * | |
b20f3867 SH |
1617 | * LOCKING: |
1618 | * Takes mode config lock. | |
1619 | * | |
8cf5c917 JB |
1620 | * Set plane info, including placement, fb, scaling, and other factors. |
1621 | * Or pass a NULL fb to disable. | |
1622 | */ | |
1623 | int drm_mode_setplane(struct drm_device *dev, void *data, | |
1624 | struct drm_file *file_priv) | |
1625 | { | |
1626 | struct drm_mode_set_plane *plane_req = data; | |
1627 | struct drm_mode_object *obj; | |
1628 | struct drm_plane *plane; | |
1629 | struct drm_crtc *crtc; | |
1630 | struct drm_framebuffer *fb; | |
1631 | int ret = 0; | |
42ef8789 | 1632 | unsigned int fb_width, fb_height; |
62443be6 | 1633 | int i; |
8cf5c917 JB |
1634 | |
1635 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) | |
1636 | return -EINVAL; | |
1637 | ||
1638 | mutex_lock(&dev->mode_config.mutex); | |
1639 | ||
1640 | /* | |
1641 | * First, find the plane, crtc, and fb objects. If not available, | |
1642 | * we don't bother to call the driver. | |
1643 | */ | |
1644 | obj = drm_mode_object_find(dev, plane_req->plane_id, | |
1645 | DRM_MODE_OBJECT_PLANE); | |
1646 | if (!obj) { | |
1647 | DRM_DEBUG_KMS("Unknown plane ID %d\n", | |
1648 | plane_req->plane_id); | |
1649 | ret = -ENOENT; | |
1650 | goto out; | |
1651 | } | |
1652 | plane = obj_to_plane(obj); | |
1653 | ||
1654 | /* No fb means shut it down */ | |
1655 | if (!plane_req->fb_id) { | |
1656 | plane->funcs->disable_plane(plane); | |
e5e3b44c VS |
1657 | plane->crtc = NULL; |
1658 | plane->fb = NULL; | |
8cf5c917 JB |
1659 | goto out; |
1660 | } | |
1661 | ||
1662 | obj = drm_mode_object_find(dev, plane_req->crtc_id, | |
1663 | DRM_MODE_OBJECT_CRTC); | |
1664 | if (!obj) { | |
1665 | DRM_DEBUG_KMS("Unknown crtc ID %d\n", | |
1666 | plane_req->crtc_id); | |
1667 | ret = -ENOENT; | |
1668 | goto out; | |
1669 | } | |
1670 | crtc = obj_to_crtc(obj); | |
1671 | ||
1672 | obj = drm_mode_object_find(dev, plane_req->fb_id, | |
1673 | DRM_MODE_OBJECT_FB); | |
1674 | if (!obj) { | |
1675 | DRM_DEBUG_KMS("Unknown framebuffer ID %d\n", | |
1676 | plane_req->fb_id); | |
1677 | ret = -ENOENT; | |
1678 | goto out; | |
1679 | } | |
1680 | fb = obj_to_fb(obj); | |
1681 | ||
62443be6 VS |
1682 | /* Check whether this plane supports the fb pixel format. */ |
1683 | for (i = 0; i < plane->format_count; i++) | |
1684 | if (fb->pixel_format == plane->format_types[i]) | |
1685 | break; | |
1686 | if (i == plane->format_count) { | |
1687 | DRM_DEBUG_KMS("Invalid pixel format 0x%08x\n", fb->pixel_format); | |
1688 | ret = -EINVAL; | |
1689 | goto out; | |
1690 | } | |
1691 | ||
42ef8789 VS |
1692 | fb_width = fb->width << 16; |
1693 | fb_height = fb->height << 16; | |
1694 | ||
1695 | /* Make sure source coordinates are inside the fb. */ | |
1696 | if (plane_req->src_w > fb_width || | |
1697 | plane_req->src_x > fb_width - plane_req->src_w || | |
1698 | plane_req->src_h > fb_height || | |
1699 | plane_req->src_y > fb_height - plane_req->src_h) { | |
1700 | DRM_DEBUG_KMS("Invalid source coordinates " | |
1701 | "%u.%06ux%u.%06u+%u.%06u+%u.%06u\n", | |
1702 | plane_req->src_w >> 16, | |
1703 | ((plane_req->src_w & 0xffff) * 15625) >> 10, | |
1704 | plane_req->src_h >> 16, | |
1705 | ((plane_req->src_h & 0xffff) * 15625) >> 10, | |
1706 | plane_req->src_x >> 16, | |
1707 | ((plane_req->src_x & 0xffff) * 15625) >> 10, | |
1708 | plane_req->src_y >> 16, | |
1709 | ((plane_req->src_y & 0xffff) * 15625) >> 10); | |
1710 | ret = -ENOSPC; | |
1711 | goto out; | |
1712 | } | |
1713 | ||
687a0400 VS |
1714 | /* Give drivers some help against integer overflows */ |
1715 | if (plane_req->crtc_w > INT_MAX || | |
1716 | plane_req->crtc_x > INT_MAX - (int32_t) plane_req->crtc_w || | |
1717 | plane_req->crtc_h > INT_MAX || | |
1718 | plane_req->crtc_y > INT_MAX - (int32_t) plane_req->crtc_h) { | |
1719 | DRM_DEBUG_KMS("Invalid CRTC coordinates %ux%u+%d+%d\n", | |
1720 | plane_req->crtc_w, plane_req->crtc_h, | |
1721 | plane_req->crtc_x, plane_req->crtc_y); | |
1722 | ret = -ERANGE; | |
1723 | goto out; | |
1724 | } | |
1725 | ||
8cf5c917 JB |
1726 | ret = plane->funcs->update_plane(plane, crtc, fb, |
1727 | plane_req->crtc_x, plane_req->crtc_y, | |
1728 | plane_req->crtc_w, plane_req->crtc_h, | |
1729 | plane_req->src_x, plane_req->src_y, | |
1730 | plane_req->src_w, plane_req->src_h); | |
1731 | if (!ret) { | |
1732 | plane->crtc = crtc; | |
1733 | plane->fb = fb; | |
1734 | } | |
1735 | ||
1736 | out: | |
1737 | mutex_unlock(&dev->mode_config.mutex); | |
1738 | ||
1739 | return ret; | |
1740 | } | |
1741 | ||
f453ba04 DA |
1742 | /** |
1743 | * drm_mode_setcrtc - set CRTC configuration | |
1744 | * @inode: inode from the ioctl | |
1745 | * @filp: file * from the ioctl | |
1746 | * @cmd: cmd from ioctl | |
1747 | * @arg: arg from ioctl | |
1748 | * | |
1749 | * LOCKING: | |
b20f3867 | 1750 | * Takes mode config lock. |
f453ba04 DA |
1751 | * |
1752 | * Build a new CRTC configuration based on user request. | |
1753 | * | |
1754 | * Called by the user via ioctl. | |
1755 | * | |
1756 | * RETURNS: | |
1757 | * Zero on success, errno on failure. | |
1758 | */ | |
1759 | int drm_mode_setcrtc(struct drm_device *dev, void *data, | |
1760 | struct drm_file *file_priv) | |
1761 | { | |
1762 | struct drm_mode_config *config = &dev->mode_config; | |
1763 | struct drm_mode_crtc *crtc_req = data; | |
1764 | struct drm_mode_object *obj; | |
6653cc8d | 1765 | struct drm_crtc *crtc; |
f453ba04 DA |
1766 | struct drm_connector **connector_set = NULL, *connector; |
1767 | struct drm_framebuffer *fb = NULL; | |
1768 | struct drm_display_mode *mode = NULL; | |
1769 | struct drm_mode_set set; | |
1770 | uint32_t __user *set_connectors_ptr; | |
1771 | int ret = 0; | |
1772 | int i; | |
1773 | ||
fb3b06c8 DA |
1774 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
1775 | return -EINVAL; | |
1776 | ||
f453ba04 DA |
1777 | mutex_lock(&dev->mode_config.mutex); |
1778 | obj = drm_mode_object_find(dev, crtc_req->crtc_id, | |
1779 | DRM_MODE_OBJECT_CRTC); | |
1780 | if (!obj) { | |
58367ed6 | 1781 | DRM_DEBUG_KMS("Unknown CRTC ID %d\n", crtc_req->crtc_id); |
f453ba04 DA |
1782 | ret = -EINVAL; |
1783 | goto out; | |
1784 | } | |
1785 | crtc = obj_to_crtc(obj); | |
9440106b | 1786 | DRM_DEBUG_KMS("[CRTC:%d]\n", crtc->base.id); |
f453ba04 DA |
1787 | |
1788 | if (crtc_req->mode_valid) { | |
1789 | /* If we have a mode we need a framebuffer. */ | |
1790 | /* If we pass -1, set the mode with the currently bound fb */ | |
1791 | if (crtc_req->fb_id == -1) { | |
6653cc8d VS |
1792 | if (!crtc->fb) { |
1793 | DRM_DEBUG_KMS("CRTC doesn't have current FB\n"); | |
1794 | ret = -EINVAL; | |
1795 | goto out; | |
f453ba04 | 1796 | } |
6653cc8d | 1797 | fb = crtc->fb; |
f453ba04 DA |
1798 | } else { |
1799 | obj = drm_mode_object_find(dev, crtc_req->fb_id, | |
1800 | DRM_MODE_OBJECT_FB); | |
1801 | if (!obj) { | |
58367ed6 ZY |
1802 | DRM_DEBUG_KMS("Unknown FB ID%d\n", |
1803 | crtc_req->fb_id); | |
f453ba04 DA |
1804 | ret = -EINVAL; |
1805 | goto out; | |
1806 | } | |
1807 | fb = obj_to_fb(obj); | |
1808 | } | |
1809 | ||
1810 | mode = drm_mode_create(dev); | |
1811 | drm_crtc_convert_umode(mode, &crtc_req->mode); | |
1812 | drm_mode_set_crtcinfo(mode, CRTC_INTERLACE_HALVE_V); | |
1813 | } | |
1814 | ||
1815 | if (crtc_req->count_connectors == 0 && mode) { | |
58367ed6 | 1816 | DRM_DEBUG_KMS("Count connectors is 0 but mode set\n"); |
f453ba04 DA |
1817 | ret = -EINVAL; |
1818 | goto out; | |
1819 | } | |
1820 | ||
7781de74 | 1821 | if (crtc_req->count_connectors > 0 && (!mode || !fb)) { |
58367ed6 | 1822 | DRM_DEBUG_KMS("Count connectors is %d but no mode or fb set\n", |
f453ba04 DA |
1823 | crtc_req->count_connectors); |
1824 | ret = -EINVAL; | |
1825 | goto out; | |
1826 | } | |
1827 | ||
1828 | if (crtc_req->count_connectors > 0) { | |
1829 | u32 out_id; | |
1830 | ||
1831 | /* Avoid unbounded kernel memory allocation */ | |
1832 | if (crtc_req->count_connectors > config->num_connector) { | |
1833 | ret = -EINVAL; | |
1834 | goto out; | |
1835 | } | |
1836 | ||
1837 | connector_set = kmalloc(crtc_req->count_connectors * | |
1838 | sizeof(struct drm_connector *), | |
1839 | GFP_KERNEL); | |
1840 | if (!connector_set) { | |
1841 | ret = -ENOMEM; | |
1842 | goto out; | |
1843 | } | |
1844 | ||
1845 | for (i = 0; i < crtc_req->count_connectors; i++) { | |
81f6c7f8 | 1846 | set_connectors_ptr = (uint32_t __user *)(unsigned long)crtc_req->set_connectors_ptr; |
f453ba04 DA |
1847 | if (get_user(out_id, &set_connectors_ptr[i])) { |
1848 | ret = -EFAULT; | |
1849 | goto out; | |
1850 | } | |
1851 | ||
1852 | obj = drm_mode_object_find(dev, out_id, | |
1853 | DRM_MODE_OBJECT_CONNECTOR); | |
1854 | if (!obj) { | |
58367ed6 ZY |
1855 | DRM_DEBUG_KMS("Connector id %d unknown\n", |
1856 | out_id); | |
f453ba04 DA |
1857 | ret = -EINVAL; |
1858 | goto out; | |
1859 | } | |
1860 | connector = obj_to_connector(obj); | |
9440106b JG |
1861 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", |
1862 | connector->base.id, | |
1863 | drm_get_connector_name(connector)); | |
f453ba04 DA |
1864 | |
1865 | connector_set[i] = connector; | |
1866 | } | |
1867 | } | |
1868 | ||
1869 | set.crtc = crtc; | |
1870 | set.x = crtc_req->x; | |
1871 | set.y = crtc_req->y; | |
1872 | set.mode = mode; | |
1873 | set.connectors = connector_set; | |
1874 | set.num_connectors = crtc_req->count_connectors; | |
5ef5f72f | 1875 | set.fb = fb; |
f453ba04 DA |
1876 | ret = crtc->funcs->set_config(&set); |
1877 | ||
1878 | out: | |
1879 | kfree(connector_set); | |
1880 | mutex_unlock(&dev->mode_config.mutex); | |
1881 | return ret; | |
1882 | } | |
1883 | ||
1884 | int drm_mode_cursor_ioctl(struct drm_device *dev, | |
1885 | void *data, struct drm_file *file_priv) | |
1886 | { | |
1887 | struct drm_mode_cursor *req = data; | |
1888 | struct drm_mode_object *obj; | |
1889 | struct drm_crtc *crtc; | |
1890 | int ret = 0; | |
1891 | ||
fb3b06c8 DA |
1892 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
1893 | return -EINVAL; | |
1894 | ||
acb4b992 | 1895 | if (!req->flags) |
f453ba04 | 1896 | return -EINVAL; |
f453ba04 DA |
1897 | |
1898 | mutex_lock(&dev->mode_config.mutex); | |
e0c8463a | 1899 | obj = drm_mode_object_find(dev, req->crtc_id, DRM_MODE_OBJECT_CRTC); |
f453ba04 | 1900 | if (!obj) { |
58367ed6 | 1901 | DRM_DEBUG_KMS("Unknown CRTC ID %d\n", req->crtc_id); |
f453ba04 DA |
1902 | ret = -EINVAL; |
1903 | goto out; | |
1904 | } | |
1905 | crtc = obj_to_crtc(obj); | |
1906 | ||
1907 | if (req->flags & DRM_MODE_CURSOR_BO) { | |
1908 | if (!crtc->funcs->cursor_set) { | |
f453ba04 DA |
1909 | ret = -ENXIO; |
1910 | goto out; | |
1911 | } | |
1912 | /* Turns off the cursor if handle is 0 */ | |
1913 | ret = crtc->funcs->cursor_set(crtc, file_priv, req->handle, | |
1914 | req->width, req->height); | |
1915 | } | |
1916 | ||
1917 | if (req->flags & DRM_MODE_CURSOR_MOVE) { | |
1918 | if (crtc->funcs->cursor_move) { | |
1919 | ret = crtc->funcs->cursor_move(crtc, req->x, req->y); | |
1920 | } else { | |
f453ba04 DA |
1921 | ret = -EFAULT; |
1922 | goto out; | |
1923 | } | |
1924 | } | |
1925 | out: | |
1926 | mutex_unlock(&dev->mode_config.mutex); | |
1927 | return ret; | |
1928 | } | |
1929 | ||
308e5bcb JB |
1930 | /* Original addfb only supported RGB formats, so figure out which one */ |
1931 | uint32_t drm_mode_legacy_fb_format(uint32_t bpp, uint32_t depth) | |
1932 | { | |
1933 | uint32_t fmt; | |
1934 | ||
1935 | switch (bpp) { | |
1936 | case 8: | |
04b3924d | 1937 | fmt = DRM_FORMAT_RGB332; |
308e5bcb JB |
1938 | break; |
1939 | case 16: | |
1940 | if (depth == 15) | |
04b3924d | 1941 | fmt = DRM_FORMAT_XRGB1555; |
308e5bcb | 1942 | else |
04b3924d | 1943 | fmt = DRM_FORMAT_RGB565; |
308e5bcb JB |
1944 | break; |
1945 | case 24: | |
04b3924d | 1946 | fmt = DRM_FORMAT_RGB888; |
308e5bcb JB |
1947 | break; |
1948 | case 32: | |
1949 | if (depth == 24) | |
04b3924d | 1950 | fmt = DRM_FORMAT_XRGB8888; |
308e5bcb | 1951 | else if (depth == 30) |
04b3924d | 1952 | fmt = DRM_FORMAT_XRGB2101010; |
308e5bcb | 1953 | else |
04b3924d | 1954 | fmt = DRM_FORMAT_ARGB8888; |
308e5bcb JB |
1955 | break; |
1956 | default: | |
04b3924d VS |
1957 | DRM_ERROR("bad bpp, assuming x8r8g8b8 pixel format\n"); |
1958 | fmt = DRM_FORMAT_XRGB8888; | |
308e5bcb JB |
1959 | break; |
1960 | } | |
1961 | ||
1962 | return fmt; | |
1963 | } | |
1964 | EXPORT_SYMBOL(drm_mode_legacy_fb_format); | |
1965 | ||
f453ba04 DA |
1966 | /** |
1967 | * drm_mode_addfb - add an FB to the graphics configuration | |
1968 | * @inode: inode from the ioctl | |
1969 | * @filp: file * from the ioctl | |
1970 | * @cmd: cmd from ioctl | |
1971 | * @arg: arg from ioctl | |
1972 | * | |
1973 | * LOCKING: | |
1974 | * Takes mode config lock. | |
1975 | * | |
1976 | * Add a new FB to the specified CRTC, given a user request. | |
1977 | * | |
1978 | * Called by the user via ioctl. | |
1979 | * | |
1980 | * RETURNS: | |
1981 | * Zero on success, errno on failure. | |
1982 | */ | |
1983 | int drm_mode_addfb(struct drm_device *dev, | |
1984 | void *data, struct drm_file *file_priv) | |
1985 | { | |
308e5bcb JB |
1986 | struct drm_mode_fb_cmd *or = data; |
1987 | struct drm_mode_fb_cmd2 r = {}; | |
1988 | struct drm_mode_config *config = &dev->mode_config; | |
1989 | struct drm_framebuffer *fb; | |
1990 | int ret = 0; | |
1991 | ||
1992 | /* Use new struct with format internally */ | |
1993 | r.fb_id = or->fb_id; | |
1994 | r.width = or->width; | |
1995 | r.height = or->height; | |
1996 | r.pitches[0] = or->pitch; | |
1997 | r.pixel_format = drm_mode_legacy_fb_format(or->bpp, or->depth); | |
1998 | r.handles[0] = or->handle; | |
1999 | ||
2000 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) | |
2001 | return -EINVAL; | |
2002 | ||
acb4b992 | 2003 | if ((config->min_width > r.width) || (r.width > config->max_width)) |
308e5bcb | 2004 | return -EINVAL; |
acb4b992 JB |
2005 | |
2006 | if ((config->min_height > r.height) || (r.height > config->max_height)) | |
308e5bcb | 2007 | return -EINVAL; |
308e5bcb JB |
2008 | |
2009 | mutex_lock(&dev->mode_config.mutex); | |
2010 | ||
2011 | /* TODO check buffer is sufficiently large */ | |
2012 | /* TODO setup destructor callback */ | |
2013 | ||
2014 | fb = dev->mode_config.funcs->fb_create(dev, file_priv, &r); | |
2015 | if (IS_ERR(fb)) { | |
2016 | DRM_ERROR("could not create framebuffer\n"); | |
2017 | ret = PTR_ERR(fb); | |
2018 | goto out; | |
2019 | } | |
2020 | ||
2021 | or->fb_id = fb->base.id; | |
2022 | list_add(&fb->filp_head, &file_priv->fbs); | |
2023 | DRM_DEBUG_KMS("[FB:%d]\n", fb->base.id); | |
2024 | ||
2025 | out: | |
2026 | mutex_unlock(&dev->mode_config.mutex); | |
2027 | return ret; | |
2028 | } | |
2029 | ||
935b5977 VS |
2030 | static int format_check(struct drm_mode_fb_cmd2 *r) |
2031 | { | |
2032 | uint32_t format = r->pixel_format & ~DRM_FORMAT_BIG_ENDIAN; | |
2033 | ||
2034 | switch (format) { | |
2035 | case DRM_FORMAT_C8: | |
2036 | case DRM_FORMAT_RGB332: | |
2037 | case DRM_FORMAT_BGR233: | |
2038 | case DRM_FORMAT_XRGB4444: | |
2039 | case DRM_FORMAT_XBGR4444: | |
2040 | case DRM_FORMAT_RGBX4444: | |
2041 | case DRM_FORMAT_BGRX4444: | |
2042 | case DRM_FORMAT_ARGB4444: | |
2043 | case DRM_FORMAT_ABGR4444: | |
2044 | case DRM_FORMAT_RGBA4444: | |
2045 | case DRM_FORMAT_BGRA4444: | |
2046 | case DRM_FORMAT_XRGB1555: | |
2047 | case DRM_FORMAT_XBGR1555: | |
2048 | case DRM_FORMAT_RGBX5551: | |
2049 | case DRM_FORMAT_BGRX5551: | |
2050 | case DRM_FORMAT_ARGB1555: | |
2051 | case DRM_FORMAT_ABGR1555: | |
2052 | case DRM_FORMAT_RGBA5551: | |
2053 | case DRM_FORMAT_BGRA5551: | |
2054 | case DRM_FORMAT_RGB565: | |
2055 | case DRM_FORMAT_BGR565: | |
2056 | case DRM_FORMAT_RGB888: | |
2057 | case DRM_FORMAT_BGR888: | |
2058 | case DRM_FORMAT_XRGB8888: | |
2059 | case DRM_FORMAT_XBGR8888: | |
2060 | case DRM_FORMAT_RGBX8888: | |
2061 | case DRM_FORMAT_BGRX8888: | |
2062 | case DRM_FORMAT_ARGB8888: | |
2063 | case DRM_FORMAT_ABGR8888: | |
2064 | case DRM_FORMAT_RGBA8888: | |
2065 | case DRM_FORMAT_BGRA8888: | |
2066 | case DRM_FORMAT_XRGB2101010: | |
2067 | case DRM_FORMAT_XBGR2101010: | |
2068 | case DRM_FORMAT_RGBX1010102: | |
2069 | case DRM_FORMAT_BGRX1010102: | |
2070 | case DRM_FORMAT_ARGB2101010: | |
2071 | case DRM_FORMAT_ABGR2101010: | |
2072 | case DRM_FORMAT_RGBA1010102: | |
2073 | case DRM_FORMAT_BGRA1010102: | |
2074 | case DRM_FORMAT_YUYV: | |
2075 | case DRM_FORMAT_YVYU: | |
2076 | case DRM_FORMAT_UYVY: | |
2077 | case DRM_FORMAT_VYUY: | |
2078 | case DRM_FORMAT_AYUV: | |
2079 | case DRM_FORMAT_NV12: | |
2080 | case DRM_FORMAT_NV21: | |
2081 | case DRM_FORMAT_NV16: | |
2082 | case DRM_FORMAT_NV61: | |
2083 | case DRM_FORMAT_YUV410: | |
2084 | case DRM_FORMAT_YVU410: | |
2085 | case DRM_FORMAT_YUV411: | |
2086 | case DRM_FORMAT_YVU411: | |
2087 | case DRM_FORMAT_YUV420: | |
2088 | case DRM_FORMAT_YVU420: | |
2089 | case DRM_FORMAT_YUV422: | |
2090 | case DRM_FORMAT_YVU422: | |
2091 | case DRM_FORMAT_YUV444: | |
2092 | case DRM_FORMAT_YVU444: | |
2093 | return 0; | |
2094 | default: | |
2095 | return -EINVAL; | |
2096 | } | |
2097 | } | |
2098 | ||
308e5bcb JB |
2099 | /** |
2100 | * drm_mode_addfb2 - add an FB to the graphics configuration | |
2101 | * @inode: inode from the ioctl | |
2102 | * @filp: file * from the ioctl | |
2103 | * @cmd: cmd from ioctl | |
2104 | * @arg: arg from ioctl | |
2105 | * | |
2106 | * LOCKING: | |
2107 | * Takes mode config lock. | |
2108 | * | |
2109 | * Add a new FB to the specified CRTC, given a user request with format. | |
2110 | * | |
2111 | * Called by the user via ioctl. | |
2112 | * | |
2113 | * RETURNS: | |
2114 | * Zero on success, errno on failure. | |
2115 | */ | |
2116 | int drm_mode_addfb2(struct drm_device *dev, | |
2117 | void *data, struct drm_file *file_priv) | |
2118 | { | |
2119 | struct drm_mode_fb_cmd2 *r = data; | |
f453ba04 DA |
2120 | struct drm_mode_config *config = &dev->mode_config; |
2121 | struct drm_framebuffer *fb; | |
2122 | int ret = 0; | |
2123 | ||
fb3b06c8 DA |
2124 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2125 | return -EINVAL; | |
2126 | ||
f453ba04 | 2127 | if ((config->min_width > r->width) || (r->width > config->max_width)) { |
8cf5c917 JB |
2128 | DRM_ERROR("bad framebuffer width %d, should be >= %d && <= %d\n", |
2129 | r->width, config->min_width, config->max_width); | |
f453ba04 DA |
2130 | return -EINVAL; |
2131 | } | |
2132 | if ((config->min_height > r->height) || (r->height > config->max_height)) { | |
8cf5c917 JB |
2133 | DRM_ERROR("bad framebuffer height %d, should be >= %d && <= %d\n", |
2134 | r->height, config->min_height, config->max_height); | |
f453ba04 DA |
2135 | return -EINVAL; |
2136 | } | |
2137 | ||
935b5977 VS |
2138 | ret = format_check(r); |
2139 | if (ret) { | |
2140 | DRM_ERROR("bad framebuffer format 0x%08x\n", r->pixel_format); | |
2141 | return ret; | |
2142 | } | |
2143 | ||
f453ba04 DA |
2144 | mutex_lock(&dev->mode_config.mutex); |
2145 | ||
f453ba04 | 2146 | fb = dev->mode_config.funcs->fb_create(dev, file_priv, r); |
cce13ff7 | 2147 | if (IS_ERR(fb)) { |
f453ba04 | 2148 | DRM_ERROR("could not create framebuffer\n"); |
cce13ff7 | 2149 | ret = PTR_ERR(fb); |
f453ba04 DA |
2150 | goto out; |
2151 | } | |
2152 | ||
e0c8463a | 2153 | r->fb_id = fb->base.id; |
f453ba04 | 2154 | list_add(&fb->filp_head, &file_priv->fbs); |
9440106b | 2155 | DRM_DEBUG_KMS("[FB:%d]\n", fb->base.id); |
f453ba04 DA |
2156 | |
2157 | out: | |
2158 | mutex_unlock(&dev->mode_config.mutex); | |
2159 | return ret; | |
2160 | } | |
2161 | ||
2162 | /** | |
2163 | * drm_mode_rmfb - remove an FB from the configuration | |
2164 | * @inode: inode from the ioctl | |
2165 | * @filp: file * from the ioctl | |
2166 | * @cmd: cmd from ioctl | |
2167 | * @arg: arg from ioctl | |
2168 | * | |
2169 | * LOCKING: | |
2170 | * Takes mode config lock. | |
2171 | * | |
2172 | * Remove the FB specified by the user. | |
2173 | * | |
2174 | * Called by the user via ioctl. | |
2175 | * | |
2176 | * RETURNS: | |
2177 | * Zero on success, errno on failure. | |
2178 | */ | |
2179 | int drm_mode_rmfb(struct drm_device *dev, | |
2180 | void *data, struct drm_file *file_priv) | |
2181 | { | |
2182 | struct drm_mode_object *obj; | |
2183 | struct drm_framebuffer *fb = NULL; | |
2184 | struct drm_framebuffer *fbl = NULL; | |
2185 | uint32_t *id = data; | |
2186 | int ret = 0; | |
2187 | int found = 0; | |
2188 | ||
fb3b06c8 DA |
2189 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2190 | return -EINVAL; | |
2191 | ||
f453ba04 DA |
2192 | mutex_lock(&dev->mode_config.mutex); |
2193 | obj = drm_mode_object_find(dev, *id, DRM_MODE_OBJECT_FB); | |
25985edc | 2194 | /* TODO check that we really get a framebuffer back. */ |
f453ba04 | 2195 | if (!obj) { |
f453ba04 DA |
2196 | ret = -EINVAL; |
2197 | goto out; | |
2198 | } | |
2199 | fb = obj_to_fb(obj); | |
2200 | ||
2201 | list_for_each_entry(fbl, &file_priv->fbs, filp_head) | |
2202 | if (fb == fbl) | |
2203 | found = 1; | |
2204 | ||
2205 | if (!found) { | |
f453ba04 DA |
2206 | ret = -EINVAL; |
2207 | goto out; | |
2208 | } | |
2209 | ||
2210 | /* TODO release all crtc connected to the framebuffer */ | |
2211 | /* TODO unhock the destructor from the buffer object */ | |
2212 | ||
2213 | list_del(&fb->filp_head); | |
2214 | fb->funcs->destroy(fb); | |
2215 | ||
2216 | out: | |
2217 | mutex_unlock(&dev->mode_config.mutex); | |
2218 | return ret; | |
2219 | } | |
2220 | ||
2221 | /** | |
2222 | * drm_mode_getfb - get FB info | |
2223 | * @inode: inode from the ioctl | |
2224 | * @filp: file * from the ioctl | |
2225 | * @cmd: cmd from ioctl | |
2226 | * @arg: arg from ioctl | |
2227 | * | |
2228 | * LOCKING: | |
b20f3867 | 2229 | * Takes mode config lock. |
f453ba04 DA |
2230 | * |
2231 | * Lookup the FB given its ID and return info about it. | |
2232 | * | |
2233 | * Called by the user via ioctl. | |
2234 | * | |
2235 | * RETURNS: | |
2236 | * Zero on success, errno on failure. | |
2237 | */ | |
2238 | int drm_mode_getfb(struct drm_device *dev, | |
2239 | void *data, struct drm_file *file_priv) | |
2240 | { | |
2241 | struct drm_mode_fb_cmd *r = data; | |
2242 | struct drm_mode_object *obj; | |
2243 | struct drm_framebuffer *fb; | |
2244 | int ret = 0; | |
2245 | ||
fb3b06c8 DA |
2246 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2247 | return -EINVAL; | |
2248 | ||
f453ba04 | 2249 | mutex_lock(&dev->mode_config.mutex); |
e0c8463a | 2250 | obj = drm_mode_object_find(dev, r->fb_id, DRM_MODE_OBJECT_FB); |
f453ba04 | 2251 | if (!obj) { |
f453ba04 DA |
2252 | ret = -EINVAL; |
2253 | goto out; | |
2254 | } | |
2255 | fb = obj_to_fb(obj); | |
2256 | ||
2257 | r->height = fb->height; | |
2258 | r->width = fb->width; | |
2259 | r->depth = fb->depth; | |
2260 | r->bpp = fb->bits_per_pixel; | |
01f2c773 | 2261 | r->pitch = fb->pitches[0]; |
f453ba04 DA |
2262 | fb->funcs->create_handle(fb, file_priv, &r->handle); |
2263 | ||
2264 | out: | |
2265 | mutex_unlock(&dev->mode_config.mutex); | |
2266 | return ret; | |
2267 | } | |
2268 | ||
884840aa JB |
2269 | int drm_mode_dirtyfb_ioctl(struct drm_device *dev, |
2270 | void *data, struct drm_file *file_priv) | |
2271 | { | |
2272 | struct drm_clip_rect __user *clips_ptr; | |
2273 | struct drm_clip_rect *clips = NULL; | |
2274 | struct drm_mode_fb_dirty_cmd *r = data; | |
2275 | struct drm_mode_object *obj; | |
2276 | struct drm_framebuffer *fb; | |
2277 | unsigned flags; | |
2278 | int num_clips; | |
2279 | int ret = 0; | |
2280 | ||
fb3b06c8 DA |
2281 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2282 | return -EINVAL; | |
2283 | ||
884840aa JB |
2284 | mutex_lock(&dev->mode_config.mutex); |
2285 | obj = drm_mode_object_find(dev, r->fb_id, DRM_MODE_OBJECT_FB); | |
2286 | if (!obj) { | |
884840aa JB |
2287 | ret = -EINVAL; |
2288 | goto out_err1; | |
2289 | } | |
2290 | fb = obj_to_fb(obj); | |
2291 | ||
2292 | num_clips = r->num_clips; | |
81f6c7f8 | 2293 | clips_ptr = (struct drm_clip_rect __user *)(unsigned long)r->clips_ptr; |
884840aa JB |
2294 | |
2295 | if (!num_clips != !clips_ptr) { | |
2296 | ret = -EINVAL; | |
2297 | goto out_err1; | |
2298 | } | |
2299 | ||
2300 | flags = DRM_MODE_FB_DIRTY_FLAGS & r->flags; | |
2301 | ||
2302 | /* If userspace annotates copy, clips must come in pairs */ | |
2303 | if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY && (num_clips % 2)) { | |
2304 | ret = -EINVAL; | |
2305 | goto out_err1; | |
2306 | } | |
2307 | ||
2308 | if (num_clips && clips_ptr) { | |
a5cd3351 XW |
2309 | if (num_clips < 0 || num_clips > DRM_MODE_FB_DIRTY_MAX_CLIPS) { |
2310 | ret = -EINVAL; | |
2311 | goto out_err1; | |
2312 | } | |
884840aa JB |
2313 | clips = kzalloc(num_clips * sizeof(*clips), GFP_KERNEL); |
2314 | if (!clips) { | |
2315 | ret = -ENOMEM; | |
2316 | goto out_err1; | |
2317 | } | |
2318 | ||
2319 | ret = copy_from_user(clips, clips_ptr, | |
2320 | num_clips * sizeof(*clips)); | |
e902a358 DC |
2321 | if (ret) { |
2322 | ret = -EFAULT; | |
884840aa | 2323 | goto out_err2; |
e902a358 | 2324 | } |
884840aa JB |
2325 | } |
2326 | ||
2327 | if (fb->funcs->dirty) { | |
02b00162 TH |
2328 | ret = fb->funcs->dirty(fb, file_priv, flags, r->color, |
2329 | clips, num_clips); | |
884840aa JB |
2330 | } else { |
2331 | ret = -ENOSYS; | |
2332 | goto out_err2; | |
2333 | } | |
2334 | ||
2335 | out_err2: | |
2336 | kfree(clips); | |
2337 | out_err1: | |
2338 | mutex_unlock(&dev->mode_config.mutex); | |
2339 | return ret; | |
2340 | } | |
2341 | ||
2342 | ||
f453ba04 DA |
2343 | /** |
2344 | * drm_fb_release - remove and free the FBs on this file | |
2345 | * @filp: file * from the ioctl | |
2346 | * | |
2347 | * LOCKING: | |
2348 | * Takes mode config lock. | |
2349 | * | |
2350 | * Destroy all the FBs associated with @filp. | |
2351 | * | |
2352 | * Called by the user via ioctl. | |
2353 | * | |
2354 | * RETURNS: | |
2355 | * Zero on success, errno on failure. | |
2356 | */ | |
ea39f835 | 2357 | void drm_fb_release(struct drm_file *priv) |
f453ba04 | 2358 | { |
f453ba04 DA |
2359 | struct drm_device *dev = priv->minor->dev; |
2360 | struct drm_framebuffer *fb, *tfb; | |
2361 | ||
2362 | mutex_lock(&dev->mode_config.mutex); | |
2363 | list_for_each_entry_safe(fb, tfb, &priv->fbs, filp_head) { | |
2364 | list_del(&fb->filp_head); | |
2365 | fb->funcs->destroy(fb); | |
2366 | } | |
2367 | mutex_unlock(&dev->mode_config.mutex); | |
2368 | } | |
2369 | ||
2370 | /** | |
2371 | * drm_mode_attachmode - add a mode to the user mode list | |
2372 | * @dev: DRM device | |
2373 | * @connector: connector to add the mode to | |
2374 | * @mode: mode to add | |
2375 | * | |
2376 | * Add @mode to @connector's user mode list. | |
2377 | */ | |
2378 | static int drm_mode_attachmode(struct drm_device *dev, | |
2379 | struct drm_connector *connector, | |
2380 | struct drm_display_mode *mode) | |
2381 | { | |
2382 | int ret = 0; | |
2383 | ||
2384 | list_add_tail(&mode->head, &connector->user_modes); | |
2385 | return ret; | |
2386 | } | |
2387 | ||
2388 | int drm_mode_attachmode_crtc(struct drm_device *dev, struct drm_crtc *crtc, | |
2389 | struct drm_display_mode *mode) | |
2390 | { | |
2391 | struct drm_connector *connector; | |
2392 | int ret = 0; | |
2393 | struct drm_display_mode *dup_mode; | |
2394 | int need_dup = 0; | |
2395 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { | |
2396 | if (!connector->encoder) | |
2397 | break; | |
2398 | if (connector->encoder->crtc == crtc) { | |
2399 | if (need_dup) | |
2400 | dup_mode = drm_mode_duplicate(dev, mode); | |
2401 | else | |
2402 | dup_mode = mode; | |
2403 | ret = drm_mode_attachmode(dev, connector, dup_mode); | |
2404 | if (ret) | |
2405 | return ret; | |
2406 | need_dup = 1; | |
2407 | } | |
2408 | } | |
2409 | return 0; | |
2410 | } | |
2411 | EXPORT_SYMBOL(drm_mode_attachmode_crtc); | |
2412 | ||
2413 | static int drm_mode_detachmode(struct drm_device *dev, | |
2414 | struct drm_connector *connector, | |
2415 | struct drm_display_mode *mode) | |
2416 | { | |
2417 | int found = 0; | |
2418 | int ret = 0; | |
2419 | struct drm_display_mode *match_mode, *t; | |
2420 | ||
2421 | list_for_each_entry_safe(match_mode, t, &connector->user_modes, head) { | |
2422 | if (drm_mode_equal(match_mode, mode)) { | |
2423 | list_del(&match_mode->head); | |
2424 | drm_mode_destroy(dev, match_mode); | |
2425 | found = 1; | |
2426 | break; | |
2427 | } | |
2428 | } | |
2429 | ||
2430 | if (!found) | |
2431 | ret = -EINVAL; | |
2432 | ||
2433 | return ret; | |
2434 | } | |
2435 | ||
2436 | int drm_mode_detachmode_crtc(struct drm_device *dev, struct drm_display_mode *mode) | |
2437 | { | |
2438 | struct drm_connector *connector; | |
2439 | ||
2440 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { | |
2441 | drm_mode_detachmode(dev, connector, mode); | |
2442 | } | |
2443 | return 0; | |
2444 | } | |
2445 | EXPORT_SYMBOL(drm_mode_detachmode_crtc); | |
2446 | ||
2447 | /** | |
2448 | * drm_fb_attachmode - Attach a user mode to an connector | |
2449 | * @inode: inode from the ioctl | |
2450 | * @filp: file * from the ioctl | |
2451 | * @cmd: cmd from ioctl | |
2452 | * @arg: arg from ioctl | |
2453 | * | |
2454 | * This attaches a user specified mode to an connector. | |
2455 | * Called by the user via ioctl. | |
2456 | * | |
2457 | * RETURNS: | |
2458 | * Zero on success, errno on failure. | |
2459 | */ | |
2460 | int drm_mode_attachmode_ioctl(struct drm_device *dev, | |
2461 | void *data, struct drm_file *file_priv) | |
2462 | { | |
2463 | struct drm_mode_mode_cmd *mode_cmd = data; | |
2464 | struct drm_connector *connector; | |
2465 | struct drm_display_mode *mode; | |
2466 | struct drm_mode_object *obj; | |
2467 | struct drm_mode_modeinfo *umode = &mode_cmd->mode; | |
2468 | int ret = 0; | |
2469 | ||
fb3b06c8 DA |
2470 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2471 | return -EINVAL; | |
2472 | ||
f453ba04 DA |
2473 | mutex_lock(&dev->mode_config.mutex); |
2474 | ||
2475 | obj = drm_mode_object_find(dev, mode_cmd->connector_id, DRM_MODE_OBJECT_CONNECTOR); | |
2476 | if (!obj) { | |
2477 | ret = -EINVAL; | |
2478 | goto out; | |
2479 | } | |
2480 | connector = obj_to_connector(obj); | |
2481 | ||
2482 | mode = drm_mode_create(dev); | |
2483 | if (!mode) { | |
2484 | ret = -ENOMEM; | |
2485 | goto out; | |
2486 | } | |
2487 | ||
2488 | drm_crtc_convert_umode(mode, umode); | |
2489 | ||
2490 | ret = drm_mode_attachmode(dev, connector, mode); | |
2491 | out: | |
2492 | mutex_unlock(&dev->mode_config.mutex); | |
2493 | return ret; | |
2494 | } | |
2495 | ||
2496 | ||
2497 | /** | |
2498 | * drm_fb_detachmode - Detach a user specified mode from an connector | |
2499 | * @inode: inode from the ioctl | |
2500 | * @filp: file * from the ioctl | |
2501 | * @cmd: cmd from ioctl | |
2502 | * @arg: arg from ioctl | |
2503 | * | |
2504 | * Called by the user via ioctl. | |
2505 | * | |
2506 | * RETURNS: | |
2507 | * Zero on success, errno on failure. | |
2508 | */ | |
2509 | int drm_mode_detachmode_ioctl(struct drm_device *dev, | |
2510 | void *data, struct drm_file *file_priv) | |
2511 | { | |
2512 | struct drm_mode_object *obj; | |
2513 | struct drm_mode_mode_cmd *mode_cmd = data; | |
2514 | struct drm_connector *connector; | |
2515 | struct drm_display_mode mode; | |
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 | drm_crtc_convert_umode(&mode, umode); | |
2532 | ret = drm_mode_detachmode(dev, connector, &mode); | |
2533 | out: | |
2534 | mutex_unlock(&dev->mode_config.mutex); | |
2535 | return ret; | |
2536 | } | |
2537 | ||
2538 | struct drm_property *drm_property_create(struct drm_device *dev, int flags, | |
2539 | const char *name, int num_values) | |
2540 | { | |
2541 | struct drm_property *property = NULL; | |
2542 | ||
2543 | property = kzalloc(sizeof(struct drm_property), GFP_KERNEL); | |
2544 | if (!property) | |
2545 | return NULL; | |
2546 | ||
2547 | if (num_values) { | |
2548 | property->values = kzalloc(sizeof(uint64_t)*num_values, GFP_KERNEL); | |
2549 | if (!property->values) | |
2550 | goto fail; | |
2551 | } | |
2552 | ||
2553 | drm_mode_object_get(dev, &property->base, DRM_MODE_OBJECT_PROPERTY); | |
2554 | property->flags = flags; | |
2555 | property->num_values = num_values; | |
2556 | INIT_LIST_HEAD(&property->enum_blob_list); | |
2557 | ||
471dd2ef | 2558 | if (name) { |
f453ba04 | 2559 | strncpy(property->name, name, DRM_PROP_NAME_LEN); |
471dd2ef VL |
2560 | property->name[DRM_PROP_NAME_LEN-1] = '\0'; |
2561 | } | |
f453ba04 DA |
2562 | |
2563 | list_add_tail(&property->head, &dev->mode_config.property_list); | |
2564 | return property; | |
2565 | fail: | |
2566 | kfree(property); | |
2567 | return NULL; | |
2568 | } | |
2569 | EXPORT_SYMBOL(drm_property_create); | |
2570 | ||
4a67d391 SH |
2571 | struct drm_property *drm_property_create_enum(struct drm_device *dev, int flags, |
2572 | const char *name, | |
2573 | const struct drm_prop_enum_list *props, | |
2574 | int num_values) | |
2575 | { | |
2576 | struct drm_property *property; | |
2577 | int i, ret; | |
2578 | ||
2579 | flags |= DRM_MODE_PROP_ENUM; | |
2580 | ||
2581 | property = drm_property_create(dev, flags, name, num_values); | |
2582 | if (!property) | |
2583 | return NULL; | |
2584 | ||
2585 | for (i = 0; i < num_values; i++) { | |
2586 | ret = drm_property_add_enum(property, i, | |
2587 | props[i].type, | |
2588 | props[i].name); | |
2589 | if (ret) { | |
2590 | drm_property_destroy(dev, property); | |
2591 | return NULL; | |
2592 | } | |
2593 | } | |
2594 | ||
2595 | return property; | |
2596 | } | |
2597 | EXPORT_SYMBOL(drm_property_create_enum); | |
2598 | ||
d9bc3c02 SH |
2599 | struct drm_property *drm_property_create_range(struct drm_device *dev, int flags, |
2600 | const char *name, | |
2601 | uint64_t min, uint64_t max) | |
2602 | { | |
2603 | struct drm_property *property; | |
2604 | ||
2605 | flags |= DRM_MODE_PROP_RANGE; | |
2606 | ||
2607 | property = drm_property_create(dev, flags, name, 2); | |
2608 | if (!property) | |
2609 | return NULL; | |
2610 | ||
2611 | property->values[0] = min; | |
2612 | property->values[1] = max; | |
2613 | ||
2614 | return property; | |
2615 | } | |
2616 | EXPORT_SYMBOL(drm_property_create_range); | |
2617 | ||
f453ba04 DA |
2618 | int drm_property_add_enum(struct drm_property *property, int index, |
2619 | uint64_t value, const char *name) | |
2620 | { | |
2621 | struct drm_property_enum *prop_enum; | |
2622 | ||
2623 | if (!(property->flags & DRM_MODE_PROP_ENUM)) | |
2624 | return -EINVAL; | |
2625 | ||
2626 | if (!list_empty(&property->enum_blob_list)) { | |
2627 | list_for_each_entry(prop_enum, &property->enum_blob_list, head) { | |
2628 | if (prop_enum->value == value) { | |
2629 | strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN); | |
2630 | prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0'; | |
2631 | return 0; | |
2632 | } | |
2633 | } | |
2634 | } | |
2635 | ||
2636 | prop_enum = kzalloc(sizeof(struct drm_property_enum), GFP_KERNEL); | |
2637 | if (!prop_enum) | |
2638 | return -ENOMEM; | |
2639 | ||
2640 | strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN); | |
2641 | prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0'; | |
2642 | prop_enum->value = value; | |
2643 | ||
2644 | property->values[index] = value; | |
2645 | list_add_tail(&prop_enum->head, &property->enum_blob_list); | |
2646 | return 0; | |
2647 | } | |
2648 | EXPORT_SYMBOL(drm_property_add_enum); | |
2649 | ||
2650 | void drm_property_destroy(struct drm_device *dev, struct drm_property *property) | |
2651 | { | |
2652 | struct drm_property_enum *prop_enum, *pt; | |
2653 | ||
2654 | list_for_each_entry_safe(prop_enum, pt, &property->enum_blob_list, head) { | |
2655 | list_del(&prop_enum->head); | |
2656 | kfree(prop_enum); | |
2657 | } | |
2658 | ||
2659 | if (property->num_values) | |
2660 | kfree(property->values); | |
2661 | drm_mode_object_put(dev, &property->base); | |
2662 | list_del(&property->head); | |
2663 | kfree(property); | |
2664 | } | |
2665 | EXPORT_SYMBOL(drm_property_destroy); | |
2666 | ||
2667 | int drm_connector_attach_property(struct drm_connector *connector, | |
2668 | struct drm_property *property, uint64_t init_val) | |
2669 | { | |
2670 | int i; | |
2671 | ||
2672 | for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) { | |
2673 | if (connector->property_ids[i] == 0) { | |
2674 | connector->property_ids[i] = property->base.id; | |
2675 | connector->property_values[i] = init_val; | |
2676 | break; | |
2677 | } | |
2678 | } | |
2679 | ||
2680 | if (i == DRM_CONNECTOR_MAX_PROPERTY) | |
2681 | return -EINVAL; | |
2682 | return 0; | |
2683 | } | |
2684 | EXPORT_SYMBOL(drm_connector_attach_property); | |
2685 | ||
2686 | int drm_connector_property_set_value(struct drm_connector *connector, | |
2687 | struct drm_property *property, uint64_t value) | |
2688 | { | |
2689 | int i; | |
2690 | ||
2691 | for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) { | |
2692 | if (connector->property_ids[i] == property->base.id) { | |
2693 | connector->property_values[i] = value; | |
2694 | break; | |
2695 | } | |
2696 | } | |
2697 | ||
2698 | if (i == DRM_CONNECTOR_MAX_PROPERTY) | |
2699 | return -EINVAL; | |
2700 | return 0; | |
2701 | } | |
2702 | EXPORT_SYMBOL(drm_connector_property_set_value); | |
2703 | ||
2704 | int drm_connector_property_get_value(struct drm_connector *connector, | |
2705 | struct drm_property *property, uint64_t *val) | |
2706 | { | |
2707 | int i; | |
2708 | ||
2709 | for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) { | |
2710 | if (connector->property_ids[i] == property->base.id) { | |
2711 | *val = connector->property_values[i]; | |
2712 | break; | |
2713 | } | |
2714 | } | |
2715 | ||
2716 | if (i == DRM_CONNECTOR_MAX_PROPERTY) | |
2717 | return -EINVAL; | |
2718 | return 0; | |
2719 | } | |
2720 | EXPORT_SYMBOL(drm_connector_property_get_value); | |
2721 | ||
2722 | int drm_mode_getproperty_ioctl(struct drm_device *dev, | |
2723 | void *data, struct drm_file *file_priv) | |
2724 | { | |
2725 | struct drm_mode_object *obj; | |
2726 | struct drm_mode_get_property *out_resp = data; | |
2727 | struct drm_property *property; | |
2728 | int enum_count = 0; | |
2729 | int blob_count = 0; | |
2730 | int value_count = 0; | |
2731 | int ret = 0, i; | |
2732 | int copied; | |
2733 | struct drm_property_enum *prop_enum; | |
2734 | struct drm_mode_property_enum __user *enum_ptr; | |
2735 | struct drm_property_blob *prop_blob; | |
81f6c7f8 | 2736 | uint32_t __user *blob_id_ptr; |
f453ba04 DA |
2737 | uint64_t __user *values_ptr; |
2738 | uint32_t __user *blob_length_ptr; | |
2739 | ||
fb3b06c8 DA |
2740 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2741 | return -EINVAL; | |
2742 | ||
f453ba04 DA |
2743 | mutex_lock(&dev->mode_config.mutex); |
2744 | obj = drm_mode_object_find(dev, out_resp->prop_id, DRM_MODE_OBJECT_PROPERTY); | |
2745 | if (!obj) { | |
2746 | ret = -EINVAL; | |
2747 | goto done; | |
2748 | } | |
2749 | property = obj_to_property(obj); | |
2750 | ||
2751 | if (property->flags & DRM_MODE_PROP_ENUM) { | |
2752 | list_for_each_entry(prop_enum, &property->enum_blob_list, head) | |
2753 | enum_count++; | |
2754 | } else if (property->flags & DRM_MODE_PROP_BLOB) { | |
2755 | list_for_each_entry(prop_blob, &property->enum_blob_list, head) | |
2756 | blob_count++; | |
2757 | } | |
2758 | ||
2759 | value_count = property->num_values; | |
2760 | ||
2761 | strncpy(out_resp->name, property->name, DRM_PROP_NAME_LEN); | |
2762 | out_resp->name[DRM_PROP_NAME_LEN-1] = 0; | |
2763 | out_resp->flags = property->flags; | |
2764 | ||
2765 | if ((out_resp->count_values >= value_count) && value_count) { | |
81f6c7f8 | 2766 | values_ptr = (uint64_t __user *)(unsigned long)out_resp->values_ptr; |
f453ba04 DA |
2767 | for (i = 0; i < value_count; i++) { |
2768 | if (copy_to_user(values_ptr + i, &property->values[i], sizeof(uint64_t))) { | |
2769 | ret = -EFAULT; | |
2770 | goto done; | |
2771 | } | |
2772 | } | |
2773 | } | |
2774 | out_resp->count_values = value_count; | |
2775 | ||
2776 | if (property->flags & DRM_MODE_PROP_ENUM) { | |
2777 | if ((out_resp->count_enum_blobs >= enum_count) && enum_count) { | |
2778 | copied = 0; | |
81f6c7f8 | 2779 | enum_ptr = (struct drm_mode_property_enum __user *)(unsigned long)out_resp->enum_blob_ptr; |
f453ba04 DA |
2780 | list_for_each_entry(prop_enum, &property->enum_blob_list, head) { |
2781 | ||
2782 | if (copy_to_user(&enum_ptr[copied].value, &prop_enum->value, sizeof(uint64_t))) { | |
2783 | ret = -EFAULT; | |
2784 | goto done; | |
2785 | } | |
2786 | ||
2787 | if (copy_to_user(&enum_ptr[copied].name, | |
2788 | &prop_enum->name, DRM_PROP_NAME_LEN)) { | |
2789 | ret = -EFAULT; | |
2790 | goto done; | |
2791 | } | |
2792 | copied++; | |
2793 | } | |
2794 | } | |
2795 | out_resp->count_enum_blobs = enum_count; | |
2796 | } | |
2797 | ||
2798 | if (property->flags & DRM_MODE_PROP_BLOB) { | |
2799 | if ((out_resp->count_enum_blobs >= blob_count) && blob_count) { | |
2800 | copied = 0; | |
81f6c7f8 VS |
2801 | blob_id_ptr = (uint32_t __user *)(unsigned long)out_resp->enum_blob_ptr; |
2802 | blob_length_ptr = (uint32_t __user *)(unsigned long)out_resp->values_ptr; | |
f453ba04 DA |
2803 | |
2804 | list_for_each_entry(prop_blob, &property->enum_blob_list, head) { | |
2805 | if (put_user(prop_blob->base.id, blob_id_ptr + copied)) { | |
2806 | ret = -EFAULT; | |
2807 | goto done; | |
2808 | } | |
2809 | ||
2810 | if (put_user(prop_blob->length, blob_length_ptr + copied)) { | |
2811 | ret = -EFAULT; | |
2812 | goto done; | |
2813 | } | |
2814 | ||
2815 | copied++; | |
2816 | } | |
2817 | } | |
2818 | out_resp->count_enum_blobs = blob_count; | |
2819 | } | |
2820 | done: | |
2821 | mutex_unlock(&dev->mode_config.mutex); | |
2822 | return ret; | |
2823 | } | |
2824 | ||
2825 | static struct drm_property_blob *drm_property_create_blob(struct drm_device *dev, int length, | |
2826 | void *data) | |
2827 | { | |
2828 | struct drm_property_blob *blob; | |
2829 | ||
2830 | if (!length || !data) | |
2831 | return NULL; | |
2832 | ||
2833 | blob = kzalloc(sizeof(struct drm_property_blob)+length, GFP_KERNEL); | |
2834 | if (!blob) | |
2835 | return NULL; | |
2836 | ||
2837 | blob->data = (void *)((char *)blob + sizeof(struct drm_property_blob)); | |
2838 | blob->length = length; | |
2839 | ||
2840 | memcpy(blob->data, data, length); | |
2841 | ||
2842 | drm_mode_object_get(dev, &blob->base, DRM_MODE_OBJECT_BLOB); | |
2843 | ||
2844 | list_add_tail(&blob->head, &dev->mode_config.property_blob_list); | |
2845 | return blob; | |
2846 | } | |
2847 | ||
2848 | static void drm_property_destroy_blob(struct drm_device *dev, | |
2849 | struct drm_property_blob *blob) | |
2850 | { | |
2851 | drm_mode_object_put(dev, &blob->base); | |
2852 | list_del(&blob->head); | |
2853 | kfree(blob); | |
2854 | } | |
2855 | ||
2856 | int drm_mode_getblob_ioctl(struct drm_device *dev, | |
2857 | void *data, struct drm_file *file_priv) | |
2858 | { | |
2859 | struct drm_mode_object *obj; | |
2860 | struct drm_mode_get_blob *out_resp = data; | |
2861 | struct drm_property_blob *blob; | |
2862 | int ret = 0; | |
81f6c7f8 | 2863 | void __user *blob_ptr; |
f453ba04 | 2864 | |
fb3b06c8 DA |
2865 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2866 | return -EINVAL; | |
2867 | ||
f453ba04 DA |
2868 | mutex_lock(&dev->mode_config.mutex); |
2869 | obj = drm_mode_object_find(dev, out_resp->blob_id, DRM_MODE_OBJECT_BLOB); | |
2870 | if (!obj) { | |
2871 | ret = -EINVAL; | |
2872 | goto done; | |
2873 | } | |
2874 | blob = obj_to_blob(obj); | |
2875 | ||
2876 | if (out_resp->length == blob->length) { | |
81f6c7f8 | 2877 | blob_ptr = (void __user *)(unsigned long)out_resp->data; |
f453ba04 DA |
2878 | if (copy_to_user(blob_ptr, blob->data, blob->length)){ |
2879 | ret = -EFAULT; | |
2880 | goto done; | |
2881 | } | |
2882 | } | |
2883 | out_resp->length = blob->length; | |
2884 | ||
2885 | done: | |
2886 | mutex_unlock(&dev->mode_config.mutex); | |
2887 | return ret; | |
2888 | } | |
2889 | ||
2890 | int drm_mode_connector_update_edid_property(struct drm_connector *connector, | |
2891 | struct edid *edid) | |
2892 | { | |
2893 | struct drm_device *dev = connector->dev; | |
7466f4cc | 2894 | int ret = 0, size; |
f453ba04 DA |
2895 | |
2896 | if (connector->edid_blob_ptr) | |
2897 | drm_property_destroy_blob(dev, connector->edid_blob_ptr); | |
2898 | ||
2899 | /* Delete edid, when there is none. */ | |
2900 | if (!edid) { | |
2901 | connector->edid_blob_ptr = NULL; | |
2902 | ret = drm_connector_property_set_value(connector, dev->mode_config.edid_property, 0); | |
2903 | return ret; | |
2904 | } | |
2905 | ||
7466f4cc AJ |
2906 | size = EDID_LENGTH * (1 + edid->extensions); |
2907 | connector->edid_blob_ptr = drm_property_create_blob(connector->dev, | |
2908 | size, edid); | |
f453ba04 DA |
2909 | |
2910 | ret = drm_connector_property_set_value(connector, | |
2911 | dev->mode_config.edid_property, | |
2912 | connector->edid_blob_ptr->base.id); | |
2913 | ||
2914 | return ret; | |
2915 | } | |
2916 | EXPORT_SYMBOL(drm_mode_connector_update_edid_property); | |
2917 | ||
2918 | int drm_mode_connector_property_set_ioctl(struct drm_device *dev, | |
2919 | void *data, struct drm_file *file_priv) | |
2920 | { | |
2921 | struct drm_mode_connector_set_property *out_resp = data; | |
2922 | struct drm_mode_object *obj; | |
2923 | struct drm_property *property; | |
2924 | struct drm_connector *connector; | |
2925 | int ret = -EINVAL; | |
2926 | int i; | |
2927 | ||
fb3b06c8 DA |
2928 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2929 | return -EINVAL; | |
2930 | ||
f453ba04 DA |
2931 | mutex_lock(&dev->mode_config.mutex); |
2932 | ||
2933 | obj = drm_mode_object_find(dev, out_resp->connector_id, DRM_MODE_OBJECT_CONNECTOR); | |
2934 | if (!obj) { | |
2935 | goto out; | |
2936 | } | |
2937 | connector = obj_to_connector(obj); | |
2938 | ||
2939 | for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) { | |
2940 | if (connector->property_ids[i] == out_resp->prop_id) | |
2941 | break; | |
2942 | } | |
2943 | ||
2944 | if (i == DRM_CONNECTOR_MAX_PROPERTY) { | |
2945 | goto out; | |
2946 | } | |
2947 | ||
2948 | obj = drm_mode_object_find(dev, out_resp->prop_id, DRM_MODE_OBJECT_PROPERTY); | |
2949 | if (!obj) { | |
2950 | goto out; | |
2951 | } | |
2952 | property = obj_to_property(obj); | |
2953 | ||
2954 | if (property->flags & DRM_MODE_PROP_IMMUTABLE) | |
2955 | goto out; | |
2956 | ||
2957 | if (property->flags & DRM_MODE_PROP_RANGE) { | |
2958 | if (out_resp->value < property->values[0]) | |
2959 | goto out; | |
2960 | ||
2961 | if (out_resp->value > property->values[1]) | |
2962 | goto out; | |
2963 | } else { | |
2964 | int found = 0; | |
2965 | for (i = 0; i < property->num_values; i++) { | |
2966 | if (property->values[i] == out_resp->value) { | |
2967 | found = 1; | |
2968 | break; | |
2969 | } | |
2970 | } | |
2971 | if (!found) { | |
2972 | goto out; | |
2973 | } | |
2974 | } | |
2975 | ||
c9fb15f6 KP |
2976 | /* Do DPMS ourselves */ |
2977 | if (property == connector->dev->mode_config.dpms_property) { | |
2978 | if (connector->funcs->dpms) | |
2979 | (*connector->funcs->dpms)(connector, (int) out_resp->value); | |
2980 | ret = 0; | |
2981 | } else if (connector->funcs->set_property) | |
f453ba04 DA |
2982 | ret = connector->funcs->set_property(connector, property, out_resp->value); |
2983 | ||
af901ca1 | 2984 | /* store the property value if successful */ |
f453ba04 DA |
2985 | if (!ret) |
2986 | drm_connector_property_set_value(connector, property, out_resp->value); | |
2987 | out: | |
2988 | mutex_unlock(&dev->mode_config.mutex); | |
2989 | return ret; | |
2990 | } | |
2991 | ||
f453ba04 DA |
2992 | int drm_mode_connector_attach_encoder(struct drm_connector *connector, |
2993 | struct drm_encoder *encoder) | |
2994 | { | |
2995 | int i; | |
2996 | ||
2997 | for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { | |
2998 | if (connector->encoder_ids[i] == 0) { | |
2999 | connector->encoder_ids[i] = encoder->base.id; | |
3000 | return 0; | |
3001 | } | |
3002 | } | |
3003 | return -ENOMEM; | |
3004 | } | |
3005 | EXPORT_SYMBOL(drm_mode_connector_attach_encoder); | |
3006 | ||
3007 | void drm_mode_connector_detach_encoder(struct drm_connector *connector, | |
3008 | struct drm_encoder *encoder) | |
3009 | { | |
3010 | int i; | |
3011 | for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { | |
3012 | if (connector->encoder_ids[i] == encoder->base.id) { | |
3013 | connector->encoder_ids[i] = 0; | |
3014 | if (connector->encoder == encoder) | |
3015 | connector->encoder = NULL; | |
3016 | break; | |
3017 | } | |
3018 | } | |
3019 | } | |
3020 | EXPORT_SYMBOL(drm_mode_connector_detach_encoder); | |
3021 | ||
4cae5b84 | 3022 | int drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc, |
f453ba04 DA |
3023 | int gamma_size) |
3024 | { | |
3025 | crtc->gamma_size = gamma_size; | |
3026 | ||
3027 | crtc->gamma_store = kzalloc(gamma_size * sizeof(uint16_t) * 3, GFP_KERNEL); | |
3028 | if (!crtc->gamma_store) { | |
3029 | crtc->gamma_size = 0; | |
4cae5b84 | 3030 | return -ENOMEM; |
f453ba04 DA |
3031 | } |
3032 | ||
4cae5b84 | 3033 | return 0; |
f453ba04 DA |
3034 | } |
3035 | EXPORT_SYMBOL(drm_mode_crtc_set_gamma_size); | |
3036 | ||
3037 | int drm_mode_gamma_set_ioctl(struct drm_device *dev, | |
3038 | void *data, struct drm_file *file_priv) | |
3039 | { | |
3040 | struct drm_mode_crtc_lut *crtc_lut = data; | |
3041 | struct drm_mode_object *obj; | |
3042 | struct drm_crtc *crtc; | |
3043 | void *r_base, *g_base, *b_base; | |
3044 | int size; | |
3045 | int ret = 0; | |
3046 | ||
fb3b06c8 DA |
3047 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
3048 | return -EINVAL; | |
3049 | ||
f453ba04 DA |
3050 | mutex_lock(&dev->mode_config.mutex); |
3051 | obj = drm_mode_object_find(dev, crtc_lut->crtc_id, DRM_MODE_OBJECT_CRTC); | |
3052 | if (!obj) { | |
3053 | ret = -EINVAL; | |
3054 | goto out; | |
3055 | } | |
3056 | crtc = obj_to_crtc(obj); | |
3057 | ||
3058 | /* memcpy into gamma store */ | |
3059 | if (crtc_lut->gamma_size != crtc->gamma_size) { | |
3060 | ret = -EINVAL; | |
3061 | goto out; | |
3062 | } | |
3063 | ||
3064 | size = crtc_lut->gamma_size * (sizeof(uint16_t)); | |
3065 | r_base = crtc->gamma_store; | |
3066 | if (copy_from_user(r_base, (void __user *)(unsigned long)crtc_lut->red, size)) { | |
3067 | ret = -EFAULT; | |
3068 | goto out; | |
3069 | } | |
3070 | ||
3071 | g_base = r_base + size; | |
3072 | if (copy_from_user(g_base, (void __user *)(unsigned long)crtc_lut->green, size)) { | |
3073 | ret = -EFAULT; | |
3074 | goto out; | |
3075 | } | |
3076 | ||
3077 | b_base = g_base + size; | |
3078 | if (copy_from_user(b_base, (void __user *)(unsigned long)crtc_lut->blue, size)) { | |
3079 | ret = -EFAULT; | |
3080 | goto out; | |
3081 | } | |
3082 | ||
7203425a | 3083 | crtc->funcs->gamma_set(crtc, r_base, g_base, b_base, 0, crtc->gamma_size); |
f453ba04 DA |
3084 | |
3085 | out: | |
3086 | mutex_unlock(&dev->mode_config.mutex); | |
3087 | return ret; | |
3088 | ||
3089 | } | |
3090 | ||
3091 | int drm_mode_gamma_get_ioctl(struct drm_device *dev, | |
3092 | void *data, struct drm_file *file_priv) | |
3093 | { | |
3094 | struct drm_mode_crtc_lut *crtc_lut = data; | |
3095 | struct drm_mode_object *obj; | |
3096 | struct drm_crtc *crtc; | |
3097 | void *r_base, *g_base, *b_base; | |
3098 | int size; | |
3099 | int ret = 0; | |
3100 | ||
fb3b06c8 DA |
3101 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
3102 | return -EINVAL; | |
3103 | ||
f453ba04 DA |
3104 | mutex_lock(&dev->mode_config.mutex); |
3105 | obj = drm_mode_object_find(dev, crtc_lut->crtc_id, DRM_MODE_OBJECT_CRTC); | |
3106 | if (!obj) { | |
3107 | ret = -EINVAL; | |
3108 | goto out; | |
3109 | } | |
3110 | crtc = obj_to_crtc(obj); | |
3111 | ||
3112 | /* memcpy into gamma store */ | |
3113 | if (crtc_lut->gamma_size != crtc->gamma_size) { | |
3114 | ret = -EINVAL; | |
3115 | goto out; | |
3116 | } | |
3117 | ||
3118 | size = crtc_lut->gamma_size * (sizeof(uint16_t)); | |
3119 | r_base = crtc->gamma_store; | |
3120 | if (copy_to_user((void __user *)(unsigned long)crtc_lut->red, r_base, size)) { | |
3121 | ret = -EFAULT; | |
3122 | goto out; | |
3123 | } | |
3124 | ||
3125 | g_base = r_base + size; | |
3126 | if (copy_to_user((void __user *)(unsigned long)crtc_lut->green, g_base, size)) { | |
3127 | ret = -EFAULT; | |
3128 | goto out; | |
3129 | } | |
3130 | ||
3131 | b_base = g_base + size; | |
3132 | if (copy_to_user((void __user *)(unsigned long)crtc_lut->blue, b_base, size)) { | |
3133 | ret = -EFAULT; | |
3134 | goto out; | |
3135 | } | |
3136 | out: | |
3137 | mutex_unlock(&dev->mode_config.mutex); | |
3138 | return ret; | |
3139 | } | |
d91d8a3f KH |
3140 | |
3141 | int drm_mode_page_flip_ioctl(struct drm_device *dev, | |
3142 | void *data, struct drm_file *file_priv) | |
3143 | { | |
3144 | struct drm_mode_crtc_page_flip *page_flip = data; | |
3145 | struct drm_mode_object *obj; | |
3146 | struct drm_crtc *crtc; | |
3147 | struct drm_framebuffer *fb; | |
3148 | struct drm_pending_vblank_event *e = NULL; | |
3149 | unsigned long flags; | |
3150 | int ret = -EINVAL; | |
3151 | ||
3152 | if (page_flip->flags & ~DRM_MODE_PAGE_FLIP_FLAGS || | |
3153 | page_flip->reserved != 0) | |
3154 | return -EINVAL; | |
3155 | ||
3156 | mutex_lock(&dev->mode_config.mutex); | |
3157 | obj = drm_mode_object_find(dev, page_flip->crtc_id, DRM_MODE_OBJECT_CRTC); | |
3158 | if (!obj) | |
3159 | goto out; | |
3160 | crtc = obj_to_crtc(obj); | |
3161 | ||
90c1efdd CW |
3162 | if (crtc->fb == NULL) { |
3163 | /* The framebuffer is currently unbound, presumably | |
3164 | * due to a hotplug event, that userspace has not | |
3165 | * yet discovered. | |
3166 | */ | |
3167 | ret = -EBUSY; | |
3168 | goto out; | |
3169 | } | |
3170 | ||
d91d8a3f KH |
3171 | if (crtc->funcs->page_flip == NULL) |
3172 | goto out; | |
3173 | ||
3174 | obj = drm_mode_object_find(dev, page_flip->fb_id, DRM_MODE_OBJECT_FB); | |
3175 | if (!obj) | |
3176 | goto out; | |
3177 | fb = obj_to_fb(obj); | |
3178 | ||
3179 | if (page_flip->flags & DRM_MODE_PAGE_FLIP_EVENT) { | |
3180 | ret = -ENOMEM; | |
3181 | spin_lock_irqsave(&dev->event_lock, flags); | |
3182 | if (file_priv->event_space < sizeof e->event) { | |
3183 | spin_unlock_irqrestore(&dev->event_lock, flags); | |
3184 | goto out; | |
3185 | } | |
3186 | file_priv->event_space -= sizeof e->event; | |
3187 | spin_unlock_irqrestore(&dev->event_lock, flags); | |
3188 | ||
3189 | e = kzalloc(sizeof *e, GFP_KERNEL); | |
3190 | if (e == NULL) { | |
3191 | spin_lock_irqsave(&dev->event_lock, flags); | |
3192 | file_priv->event_space += sizeof e->event; | |
3193 | spin_unlock_irqrestore(&dev->event_lock, flags); | |
3194 | goto out; | |
3195 | } | |
3196 | ||
7bd4d7be | 3197 | e->event.base.type = DRM_EVENT_FLIP_COMPLETE; |
d91d8a3f KH |
3198 | e->event.base.length = sizeof e->event; |
3199 | e->event.user_data = page_flip->user_data; | |
3200 | e->base.event = &e->event.base; | |
3201 | e->base.file_priv = file_priv; | |
3202 | e->base.destroy = | |
3203 | (void (*) (struct drm_pending_event *)) kfree; | |
3204 | } | |
3205 | ||
3206 | ret = crtc->funcs->page_flip(crtc, fb, e); | |
3207 | if (ret) { | |
3208 | spin_lock_irqsave(&dev->event_lock, flags); | |
3209 | file_priv->event_space += sizeof e->event; | |
3210 | spin_unlock_irqrestore(&dev->event_lock, flags); | |
3211 | kfree(e); | |
3212 | } | |
3213 | ||
3214 | out: | |
3215 | mutex_unlock(&dev->mode_config.mutex); | |
3216 | return ret; | |
3217 | } | |
eb033556 CW |
3218 | |
3219 | void drm_mode_config_reset(struct drm_device *dev) | |
3220 | { | |
3221 | struct drm_crtc *crtc; | |
3222 | struct drm_encoder *encoder; | |
3223 | struct drm_connector *connector; | |
3224 | ||
3225 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) | |
3226 | if (crtc->funcs->reset) | |
3227 | crtc->funcs->reset(crtc); | |
3228 | ||
3229 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) | |
3230 | if (encoder->funcs->reset) | |
3231 | encoder->funcs->reset(encoder); | |
3232 | ||
3233 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) | |
3234 | if (connector->funcs->reset) | |
3235 | connector->funcs->reset(connector); | |
3236 | } | |
3237 | EXPORT_SYMBOL(drm_mode_config_reset); | |
ff72145b DA |
3238 | |
3239 | int drm_mode_create_dumb_ioctl(struct drm_device *dev, | |
3240 | void *data, struct drm_file *file_priv) | |
3241 | { | |
3242 | struct drm_mode_create_dumb *args = data; | |
3243 | ||
3244 | if (!dev->driver->dumb_create) | |
3245 | return -ENOSYS; | |
3246 | return dev->driver->dumb_create(file_priv, dev, args); | |
3247 | } | |
3248 | ||
3249 | int drm_mode_mmap_dumb_ioctl(struct drm_device *dev, | |
3250 | void *data, struct drm_file *file_priv) | |
3251 | { | |
3252 | struct drm_mode_map_dumb *args = data; | |
3253 | ||
3254 | /* call driver ioctl to get mmap offset */ | |
3255 | if (!dev->driver->dumb_map_offset) | |
3256 | return -ENOSYS; | |
3257 | ||
3258 | return dev->driver->dumb_map_offset(file_priv, dev, args->handle, &args->offset); | |
3259 | } | |
3260 | ||
3261 | int drm_mode_destroy_dumb_ioctl(struct drm_device *dev, | |
3262 | void *data, struct drm_file *file_priv) | |
3263 | { | |
3264 | struct drm_mode_destroy_dumb *args = data; | |
3265 | ||
3266 | if (!dev->driver->dumb_destroy) | |
3267 | return -ENOSYS; | |
3268 | ||
3269 | return dev->driver->dumb_destroy(file_priv, dev, args->handle); | |
3270 | } | |
248dbc23 DA |
3271 | |
3272 | /* | |
3273 | * Just need to support RGB formats here for compat with code that doesn't | |
3274 | * use pixel formats directly yet. | |
3275 | */ | |
3276 | void drm_fb_get_bpp_depth(uint32_t format, unsigned int *depth, | |
3277 | int *bpp) | |
3278 | { | |
3279 | switch (format) { | |
04b3924d VS |
3280 | case DRM_FORMAT_RGB332: |
3281 | case DRM_FORMAT_BGR233: | |
248dbc23 DA |
3282 | *depth = 8; |
3283 | *bpp = 8; | |
3284 | break; | |
04b3924d VS |
3285 | case DRM_FORMAT_XRGB1555: |
3286 | case DRM_FORMAT_XBGR1555: | |
3287 | case DRM_FORMAT_RGBX5551: | |
3288 | case DRM_FORMAT_BGRX5551: | |
3289 | case DRM_FORMAT_ARGB1555: | |
3290 | case DRM_FORMAT_ABGR1555: | |
3291 | case DRM_FORMAT_RGBA5551: | |
3292 | case DRM_FORMAT_BGRA5551: | |
248dbc23 DA |
3293 | *depth = 15; |
3294 | *bpp = 16; | |
3295 | break; | |
04b3924d VS |
3296 | case DRM_FORMAT_RGB565: |
3297 | case DRM_FORMAT_BGR565: | |
248dbc23 DA |
3298 | *depth = 16; |
3299 | *bpp = 16; | |
3300 | break; | |
04b3924d VS |
3301 | case DRM_FORMAT_RGB888: |
3302 | case DRM_FORMAT_BGR888: | |
3303 | *depth = 24; | |
3304 | *bpp = 24; | |
3305 | break; | |
3306 | case DRM_FORMAT_XRGB8888: | |
3307 | case DRM_FORMAT_XBGR8888: | |
3308 | case DRM_FORMAT_RGBX8888: | |
3309 | case DRM_FORMAT_BGRX8888: | |
248dbc23 DA |
3310 | *depth = 24; |
3311 | *bpp = 32; | |
3312 | break; | |
04b3924d VS |
3313 | case DRM_FORMAT_XRGB2101010: |
3314 | case DRM_FORMAT_XBGR2101010: | |
3315 | case DRM_FORMAT_RGBX1010102: | |
3316 | case DRM_FORMAT_BGRX1010102: | |
3317 | case DRM_FORMAT_ARGB2101010: | |
3318 | case DRM_FORMAT_ABGR2101010: | |
3319 | case DRM_FORMAT_RGBA1010102: | |
3320 | case DRM_FORMAT_BGRA1010102: | |
248dbc23 DA |
3321 | *depth = 30; |
3322 | *bpp = 32; | |
3323 | break; | |
04b3924d VS |
3324 | case DRM_FORMAT_ARGB8888: |
3325 | case DRM_FORMAT_ABGR8888: | |
3326 | case DRM_FORMAT_RGBA8888: | |
3327 | case DRM_FORMAT_BGRA8888: | |
248dbc23 DA |
3328 | *depth = 32; |
3329 | *bpp = 32; | |
3330 | break; | |
3331 | default: | |
3332 | DRM_DEBUG_KMS("unsupported pixel format\n"); | |
3333 | *depth = 0; | |
3334 | *bpp = 0; | |
3335 | break; | |
3336 | } | |
3337 | } | |
3338 | EXPORT_SYMBOL(drm_fb_get_bpp_depth); |