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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> | |
33 | #include "drm.h" | |
34 | #include "drmP.h" | |
35 | #include "drm_crtc.h" | |
7466f4cc | 36 | #include "drm_edid.h" |
f453ba04 DA |
37 | |
38 | struct drm_prop_enum_list { | |
39 | int type; | |
40 | char *name; | |
41 | }; | |
42 | ||
43 | /* Avoid boilerplate. I'm tired of typing. */ | |
44 | #define DRM_ENUM_NAME_FN(fnname, list) \ | |
45 | char *fnname(int val) \ | |
46 | { \ | |
47 | int i; \ | |
48 | for (i = 0; i < ARRAY_SIZE(list); i++) { \ | |
49 | if (list[i].type == val) \ | |
50 | return list[i].name; \ | |
51 | } \ | |
52 | return "(unknown)"; \ | |
53 | } | |
54 | ||
55 | /* | |
56 | * Global properties | |
57 | */ | |
58 | static struct drm_prop_enum_list drm_dpms_enum_list[] = | |
59 | { { DRM_MODE_DPMS_ON, "On" }, | |
60 | { DRM_MODE_DPMS_STANDBY, "Standby" }, | |
61 | { DRM_MODE_DPMS_SUSPEND, "Suspend" }, | |
62 | { DRM_MODE_DPMS_OFF, "Off" } | |
63 | }; | |
64 | ||
65 | DRM_ENUM_NAME_FN(drm_get_dpms_name, drm_dpms_enum_list) | |
66 | ||
67 | /* | |
68 | * Optional properties | |
69 | */ | |
70 | static struct drm_prop_enum_list drm_scaling_mode_enum_list[] = | |
71 | { | |
53bd8389 JB |
72 | { DRM_MODE_SCALE_NONE, "None" }, |
73 | { DRM_MODE_SCALE_FULLSCREEN, "Full" }, | |
74 | { DRM_MODE_SCALE_CENTER, "Center" }, | |
75 | { DRM_MODE_SCALE_ASPECT, "Full aspect" }, | |
f453ba04 DA |
76 | }; |
77 | ||
78 | static struct drm_prop_enum_list drm_dithering_mode_enum_list[] = | |
79 | { | |
80 | { DRM_MODE_DITHERING_OFF, "Off" }, | |
81 | { DRM_MODE_DITHERING_ON, "On" }, | |
82 | }; | |
83 | ||
84 | /* | |
85 | * Non-global properties, but "required" for certain connectors. | |
86 | */ | |
87 | static struct drm_prop_enum_list drm_dvi_i_select_enum_list[] = | |
88 | { | |
89 | { DRM_MODE_SUBCONNECTOR_Automatic, "Automatic" }, /* DVI-I and TV-out */ | |
90 | { DRM_MODE_SUBCONNECTOR_DVID, "DVI-D" }, /* DVI-I */ | |
91 | { DRM_MODE_SUBCONNECTOR_DVIA, "DVI-A" }, /* DVI-I */ | |
92 | }; | |
93 | ||
94 | DRM_ENUM_NAME_FN(drm_get_dvi_i_select_name, drm_dvi_i_select_enum_list) | |
95 | ||
96 | static struct drm_prop_enum_list drm_dvi_i_subconnector_enum_list[] = | |
97 | { | |
98 | { DRM_MODE_SUBCONNECTOR_Unknown, "Unknown" }, /* DVI-I and TV-out */ | |
99 | { DRM_MODE_SUBCONNECTOR_DVID, "DVI-D" }, /* DVI-I */ | |
100 | { DRM_MODE_SUBCONNECTOR_DVIA, "DVI-A" }, /* DVI-I */ | |
101 | }; | |
102 | ||
103 | DRM_ENUM_NAME_FN(drm_get_dvi_i_subconnector_name, | |
104 | drm_dvi_i_subconnector_enum_list) | |
105 | ||
106 | static struct drm_prop_enum_list drm_tv_select_enum_list[] = | |
107 | { | |
108 | { DRM_MODE_SUBCONNECTOR_Automatic, "Automatic" }, /* DVI-I and TV-out */ | |
109 | { DRM_MODE_SUBCONNECTOR_Composite, "Composite" }, /* TV-out */ | |
110 | { DRM_MODE_SUBCONNECTOR_SVIDEO, "SVIDEO" }, /* TV-out */ | |
111 | { DRM_MODE_SUBCONNECTOR_Component, "Component" }, /* TV-out */ | |
aeaa1ad3 | 112 | { DRM_MODE_SUBCONNECTOR_SCART, "SCART" }, /* TV-out */ |
f453ba04 DA |
113 | }; |
114 | ||
115 | DRM_ENUM_NAME_FN(drm_get_tv_select_name, drm_tv_select_enum_list) | |
116 | ||
117 | static struct drm_prop_enum_list drm_tv_subconnector_enum_list[] = | |
118 | { | |
119 | { DRM_MODE_SUBCONNECTOR_Unknown, "Unknown" }, /* DVI-I and TV-out */ | |
120 | { DRM_MODE_SUBCONNECTOR_Composite, "Composite" }, /* TV-out */ | |
121 | { DRM_MODE_SUBCONNECTOR_SVIDEO, "SVIDEO" }, /* TV-out */ | |
122 | { DRM_MODE_SUBCONNECTOR_Component, "Component" }, /* TV-out */ | |
aeaa1ad3 | 123 | { DRM_MODE_SUBCONNECTOR_SCART, "SCART" }, /* TV-out */ |
f453ba04 DA |
124 | }; |
125 | ||
126 | DRM_ENUM_NAME_FN(drm_get_tv_subconnector_name, | |
127 | drm_tv_subconnector_enum_list) | |
128 | ||
884840aa JB |
129 | static struct drm_prop_enum_list drm_dirty_info_enum_list[] = { |
130 | { DRM_MODE_DIRTY_OFF, "Off" }, | |
131 | { DRM_MODE_DIRTY_ON, "On" }, | |
132 | { DRM_MODE_DIRTY_ANNOTATE, "Annotate" }, | |
133 | }; | |
134 | ||
135 | DRM_ENUM_NAME_FN(drm_get_dirty_info_name, | |
136 | drm_dirty_info_enum_list) | |
137 | ||
f453ba04 DA |
138 | struct drm_conn_prop_enum_list { |
139 | int type; | |
140 | char *name; | |
141 | int count; | |
142 | }; | |
143 | ||
144 | /* | |
145 | * Connector and encoder types. | |
146 | */ | |
147 | static struct drm_conn_prop_enum_list drm_connector_enum_list[] = | |
148 | { { DRM_MODE_CONNECTOR_Unknown, "Unknown", 0 }, | |
149 | { DRM_MODE_CONNECTOR_VGA, "VGA", 0 }, | |
150 | { DRM_MODE_CONNECTOR_DVII, "DVI-I", 0 }, | |
151 | { DRM_MODE_CONNECTOR_DVID, "DVI-D", 0 }, | |
152 | { DRM_MODE_CONNECTOR_DVIA, "DVI-A", 0 }, | |
153 | { DRM_MODE_CONNECTOR_Composite, "Composite", 0 }, | |
154 | { DRM_MODE_CONNECTOR_SVIDEO, "SVIDEO", 0 }, | |
155 | { DRM_MODE_CONNECTOR_LVDS, "LVDS", 0 }, | |
156 | { DRM_MODE_CONNECTOR_Component, "Component", 0 }, | |
157 | { DRM_MODE_CONNECTOR_9PinDIN, "9-pin DIN", 0 }, | |
158 | { DRM_MODE_CONNECTOR_DisplayPort, "DisplayPort", 0 }, | |
159 | { DRM_MODE_CONNECTOR_HDMIA, "HDMI Type A", 0 }, | |
160 | { DRM_MODE_CONNECTOR_HDMIB, "HDMI Type B", 0 }, | |
74bd3c26 | 161 | { DRM_MODE_CONNECTOR_TV, "TV", 0 }, |
7970e677 | 162 | { DRM_MODE_CONNECTOR_eDP, "Embedded DisplayPort", 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" }, | |
171 | }; | |
172 | ||
173 | char *drm_get_encoder_name(struct drm_encoder *encoder) | |
174 | { | |
175 | static char buf[32]; | |
176 | ||
177 | snprintf(buf, 32, "%s-%d", | |
178 | drm_encoder_enum_list[encoder->encoder_type].name, | |
179 | encoder->base.id); | |
180 | return buf; | |
181 | } | |
13a8195b | 182 | EXPORT_SYMBOL(drm_get_encoder_name); |
f453ba04 DA |
183 | |
184 | char *drm_get_connector_name(struct drm_connector *connector) | |
185 | { | |
186 | static char buf[32]; | |
187 | ||
188 | snprintf(buf, 32, "%s-%d", | |
189 | drm_connector_enum_list[connector->connector_type].name, | |
190 | connector->connector_type_id); | |
191 | return buf; | |
192 | } | |
193 | EXPORT_SYMBOL(drm_get_connector_name); | |
194 | ||
195 | char *drm_get_connector_status_name(enum drm_connector_status status) | |
196 | { | |
197 | if (status == connector_status_connected) | |
198 | return "connected"; | |
199 | else if (status == connector_status_disconnected) | |
200 | return "disconnected"; | |
201 | else | |
202 | return "unknown"; | |
203 | } | |
204 | ||
205 | /** | |
206 | * drm_mode_object_get - allocate a new identifier | |
207 | * @dev: DRM device | |
208 | * @ptr: object pointer, used to generate unique ID | |
209 | * @type: object type | |
210 | * | |
211 | * LOCKING: | |
f453ba04 DA |
212 | * |
213 | * Create a unique identifier based on @ptr in @dev's identifier space. Used | |
214 | * for tracking modes, CRTCs and connectors. | |
215 | * | |
216 | * RETURNS: | |
217 | * New unique (relative to other objects in @dev) integer identifier for the | |
218 | * object. | |
219 | */ | |
220 | static int drm_mode_object_get(struct drm_device *dev, | |
221 | struct drm_mode_object *obj, uint32_t obj_type) | |
222 | { | |
223 | int new_id = 0; | |
224 | int ret; | |
225 | ||
f453ba04 DA |
226 | again: |
227 | if (idr_pre_get(&dev->mode_config.crtc_idr, GFP_KERNEL) == 0) { | |
228 | DRM_ERROR("Ran out memory getting a mode number\n"); | |
229 | return -EINVAL; | |
230 | } | |
231 | ||
ad2563c2 | 232 | mutex_lock(&dev->mode_config.idr_mutex); |
f453ba04 | 233 | ret = idr_get_new_above(&dev->mode_config.crtc_idr, obj, 1, &new_id); |
ad2563c2 | 234 | mutex_unlock(&dev->mode_config.idr_mutex); |
f453ba04 DA |
235 | if (ret == -EAGAIN) |
236 | goto again; | |
237 | ||
238 | obj->id = new_id; | |
239 | obj->type = obj_type; | |
240 | return 0; | |
241 | } | |
242 | ||
243 | /** | |
244 | * drm_mode_object_put - free an identifer | |
245 | * @dev: DRM device | |
246 | * @id: ID to free | |
247 | * | |
248 | * LOCKING: | |
249 | * Caller must hold DRM mode_config lock. | |
250 | * | |
251 | * Free @id from @dev's unique identifier pool. | |
252 | */ | |
253 | static void drm_mode_object_put(struct drm_device *dev, | |
254 | struct drm_mode_object *object) | |
255 | { | |
ad2563c2 | 256 | mutex_lock(&dev->mode_config.idr_mutex); |
f453ba04 | 257 | idr_remove(&dev->mode_config.crtc_idr, object->id); |
ad2563c2 | 258 | mutex_unlock(&dev->mode_config.idr_mutex); |
f453ba04 DA |
259 | } |
260 | ||
7a9c9060 DV |
261 | struct drm_mode_object *drm_mode_object_find(struct drm_device *dev, |
262 | uint32_t id, uint32_t type) | |
f453ba04 | 263 | { |
ad2563c2 | 264 | struct drm_mode_object *obj = NULL; |
f453ba04 | 265 | |
ad2563c2 | 266 | mutex_lock(&dev->mode_config.idr_mutex); |
f453ba04 DA |
267 | obj = idr_find(&dev->mode_config.crtc_idr, id); |
268 | if (!obj || (obj->type != type) || (obj->id != id)) | |
ad2563c2 JB |
269 | obj = NULL; |
270 | mutex_unlock(&dev->mode_config.idr_mutex); | |
f453ba04 DA |
271 | |
272 | return obj; | |
273 | } | |
274 | EXPORT_SYMBOL(drm_mode_object_find); | |
275 | ||
f453ba04 DA |
276 | /** |
277 | * drm_framebuffer_init - initialize a framebuffer | |
278 | * @dev: DRM device | |
279 | * | |
280 | * LOCKING: | |
281 | * Caller must hold mode config lock. | |
282 | * | |
283 | * Allocates an ID for the framebuffer's parent mode object, sets its mode | |
284 | * functions & device file and adds it to the master fd list. | |
285 | * | |
286 | * RETURNS: | |
af901ca1 | 287 | * Zero on success, error code on failure. |
f453ba04 DA |
288 | */ |
289 | int drm_framebuffer_init(struct drm_device *dev, struct drm_framebuffer *fb, | |
290 | const struct drm_framebuffer_funcs *funcs) | |
291 | { | |
292 | int ret; | |
293 | ||
294 | ret = drm_mode_object_get(dev, &fb->base, DRM_MODE_OBJECT_FB); | |
295 | if (ret) { | |
296 | return ret; | |
297 | } | |
298 | ||
299 | fb->dev = dev; | |
300 | fb->funcs = funcs; | |
301 | dev->mode_config.num_fb++; | |
302 | list_add(&fb->head, &dev->mode_config.fb_list); | |
303 | ||
304 | return 0; | |
305 | } | |
306 | EXPORT_SYMBOL(drm_framebuffer_init); | |
307 | ||
308 | /** | |
309 | * drm_framebuffer_cleanup - remove a framebuffer object | |
310 | * @fb: framebuffer to remove | |
311 | * | |
312 | * LOCKING: | |
313 | * Caller must hold mode config lock. | |
314 | * | |
315 | * Scans all the CRTCs in @dev's mode_config. If they're using @fb, removes | |
316 | * it, setting it to NULL. | |
317 | */ | |
318 | void drm_framebuffer_cleanup(struct drm_framebuffer *fb) | |
319 | { | |
320 | struct drm_device *dev = fb->dev; | |
321 | struct drm_crtc *crtc; | |
5ef5f72f DA |
322 | struct drm_mode_set set; |
323 | int ret; | |
f453ba04 DA |
324 | |
325 | /* remove from any CRTC */ | |
326 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { | |
5ef5f72f DA |
327 | if (crtc->fb == fb) { |
328 | /* should turn off the crtc */ | |
329 | memset(&set, 0, sizeof(struct drm_mode_set)); | |
330 | set.crtc = crtc; | |
331 | set.fb = NULL; | |
332 | ret = crtc->funcs->set_config(&set); | |
333 | if (ret) | |
334 | DRM_ERROR("failed to reset crtc %p when fb was deleted\n", crtc); | |
335 | } | |
f453ba04 DA |
336 | } |
337 | ||
338 | drm_mode_object_put(dev, &fb->base); | |
339 | list_del(&fb->head); | |
340 | dev->mode_config.num_fb--; | |
341 | } | |
342 | EXPORT_SYMBOL(drm_framebuffer_cleanup); | |
343 | ||
344 | /** | |
345 | * drm_crtc_init - Initialise a new CRTC object | |
346 | * @dev: DRM device | |
347 | * @crtc: CRTC object to init | |
348 | * @funcs: callbacks for the new CRTC | |
349 | * | |
350 | * LOCKING: | |
351 | * Caller must hold mode config lock. | |
352 | * | |
353 | * Inits a new object created as base part of an driver crtc object. | |
354 | */ | |
355 | void drm_crtc_init(struct drm_device *dev, struct drm_crtc *crtc, | |
356 | const struct drm_crtc_funcs *funcs) | |
357 | { | |
358 | crtc->dev = dev; | |
359 | crtc->funcs = funcs; | |
360 | ||
361 | mutex_lock(&dev->mode_config.mutex); | |
362 | drm_mode_object_get(dev, &crtc->base, DRM_MODE_OBJECT_CRTC); | |
363 | ||
364 | list_add_tail(&crtc->head, &dev->mode_config.crtc_list); | |
365 | dev->mode_config.num_crtc++; | |
366 | mutex_unlock(&dev->mode_config.mutex); | |
367 | } | |
368 | EXPORT_SYMBOL(drm_crtc_init); | |
369 | ||
370 | /** | |
371 | * drm_crtc_cleanup - Cleans up the core crtc usage. | |
372 | * @crtc: CRTC to cleanup | |
373 | * | |
374 | * LOCKING: | |
375 | * Caller must hold mode config lock. | |
376 | * | |
377 | * Cleanup @crtc. Removes from drm modesetting space | |
378 | * does NOT free object, caller does that. | |
379 | */ | |
380 | void drm_crtc_cleanup(struct drm_crtc *crtc) | |
381 | { | |
382 | struct drm_device *dev = crtc->dev; | |
383 | ||
384 | if (crtc->gamma_store) { | |
385 | kfree(crtc->gamma_store); | |
386 | crtc->gamma_store = NULL; | |
387 | } | |
388 | ||
389 | drm_mode_object_put(dev, &crtc->base); | |
390 | list_del(&crtc->head); | |
391 | dev->mode_config.num_crtc--; | |
392 | } | |
393 | EXPORT_SYMBOL(drm_crtc_cleanup); | |
394 | ||
395 | /** | |
396 | * drm_mode_probed_add - add a mode to a connector's probed mode list | |
397 | * @connector: connector the new mode | |
398 | * @mode: mode data | |
399 | * | |
400 | * LOCKING: | |
401 | * Caller must hold mode config lock. | |
402 | * | |
403 | * Add @mode to @connector's mode list for later use. | |
404 | */ | |
405 | void drm_mode_probed_add(struct drm_connector *connector, | |
406 | struct drm_display_mode *mode) | |
407 | { | |
408 | list_add(&mode->head, &connector->probed_modes); | |
409 | } | |
410 | EXPORT_SYMBOL(drm_mode_probed_add); | |
411 | ||
412 | /** | |
413 | * drm_mode_remove - remove and free a mode | |
414 | * @connector: connector list to modify | |
415 | * @mode: mode to remove | |
416 | * | |
417 | * LOCKING: | |
418 | * Caller must hold mode config lock. | |
419 | * | |
420 | * Remove @mode from @connector's mode list, then free it. | |
421 | */ | |
422 | void drm_mode_remove(struct drm_connector *connector, | |
423 | struct drm_display_mode *mode) | |
424 | { | |
425 | list_del(&mode->head); | |
426 | kfree(mode); | |
427 | } | |
428 | EXPORT_SYMBOL(drm_mode_remove); | |
429 | ||
430 | /** | |
431 | * drm_connector_init - Init a preallocated connector | |
432 | * @dev: DRM device | |
433 | * @connector: the connector to init | |
434 | * @funcs: callbacks for this connector | |
435 | * @name: user visible name of the connector | |
436 | * | |
437 | * LOCKING: | |
438 | * Caller must hold @dev's mode_config lock. | |
439 | * | |
440 | * Initialises a preallocated connector. Connectors should be | |
441 | * subclassed as part of driver connector objects. | |
442 | */ | |
443 | void drm_connector_init(struct drm_device *dev, | |
444 | struct drm_connector *connector, | |
445 | const struct drm_connector_funcs *funcs, | |
446 | int connector_type) | |
447 | { | |
448 | mutex_lock(&dev->mode_config.mutex); | |
449 | ||
450 | connector->dev = dev; | |
451 | connector->funcs = funcs; | |
452 | drm_mode_object_get(dev, &connector->base, DRM_MODE_OBJECT_CONNECTOR); | |
453 | connector->connector_type = connector_type; | |
454 | connector->connector_type_id = | |
455 | ++drm_connector_enum_list[connector_type].count; /* TODO */ | |
456 | INIT_LIST_HEAD(&connector->user_modes); | |
457 | INIT_LIST_HEAD(&connector->probed_modes); | |
458 | INIT_LIST_HEAD(&connector->modes); | |
459 | connector->edid_blob_ptr = NULL; | |
460 | ||
461 | list_add_tail(&connector->head, &dev->mode_config.connector_list); | |
462 | dev->mode_config.num_connector++; | |
463 | ||
464 | drm_connector_attach_property(connector, | |
465 | dev->mode_config.edid_property, 0); | |
466 | ||
467 | drm_connector_attach_property(connector, | |
468 | dev->mode_config.dpms_property, 0); | |
469 | ||
470 | mutex_unlock(&dev->mode_config.mutex); | |
471 | } | |
472 | EXPORT_SYMBOL(drm_connector_init); | |
473 | ||
474 | /** | |
475 | * drm_connector_cleanup - cleans up an initialised connector | |
476 | * @connector: connector to cleanup | |
477 | * | |
478 | * LOCKING: | |
479 | * Caller must hold @dev's mode_config lock. | |
480 | * | |
481 | * Cleans up the connector but doesn't free the object. | |
482 | */ | |
483 | void drm_connector_cleanup(struct drm_connector *connector) | |
484 | { | |
485 | struct drm_device *dev = connector->dev; | |
486 | struct drm_display_mode *mode, *t; | |
487 | ||
488 | list_for_each_entry_safe(mode, t, &connector->probed_modes, head) | |
489 | drm_mode_remove(connector, mode); | |
490 | ||
491 | list_for_each_entry_safe(mode, t, &connector->modes, head) | |
492 | drm_mode_remove(connector, mode); | |
493 | ||
494 | list_for_each_entry_safe(mode, t, &connector->user_modes, head) | |
495 | drm_mode_remove(connector, mode); | |
496 | ||
d50ba256 | 497 | kfree(connector->fb_helper_private); |
f453ba04 DA |
498 | mutex_lock(&dev->mode_config.mutex); |
499 | drm_mode_object_put(dev, &connector->base); | |
500 | list_del(&connector->head); | |
501 | mutex_unlock(&dev->mode_config.mutex); | |
502 | } | |
503 | EXPORT_SYMBOL(drm_connector_cleanup); | |
504 | ||
505 | void drm_encoder_init(struct drm_device *dev, | |
506 | struct drm_encoder *encoder, | |
507 | const struct drm_encoder_funcs *funcs, | |
508 | int encoder_type) | |
509 | { | |
510 | mutex_lock(&dev->mode_config.mutex); | |
511 | ||
512 | encoder->dev = dev; | |
513 | ||
514 | drm_mode_object_get(dev, &encoder->base, DRM_MODE_OBJECT_ENCODER); | |
515 | encoder->encoder_type = encoder_type; | |
516 | encoder->funcs = funcs; | |
517 | ||
518 | list_add_tail(&encoder->head, &dev->mode_config.encoder_list); | |
519 | dev->mode_config.num_encoder++; | |
520 | ||
521 | mutex_unlock(&dev->mode_config.mutex); | |
522 | } | |
523 | EXPORT_SYMBOL(drm_encoder_init); | |
524 | ||
525 | void drm_encoder_cleanup(struct drm_encoder *encoder) | |
526 | { | |
527 | struct drm_device *dev = encoder->dev; | |
528 | mutex_lock(&dev->mode_config.mutex); | |
529 | drm_mode_object_put(dev, &encoder->base); | |
530 | list_del(&encoder->head); | |
531 | mutex_unlock(&dev->mode_config.mutex); | |
532 | } | |
533 | EXPORT_SYMBOL(drm_encoder_cleanup); | |
534 | ||
535 | /** | |
536 | * drm_mode_create - create a new display mode | |
537 | * @dev: DRM device | |
538 | * | |
539 | * LOCKING: | |
540 | * Caller must hold DRM mode_config lock. | |
541 | * | |
542 | * Create a new drm_display_mode, give it an ID, and return it. | |
543 | * | |
544 | * RETURNS: | |
545 | * Pointer to new mode on success, NULL on error. | |
546 | */ | |
547 | struct drm_display_mode *drm_mode_create(struct drm_device *dev) | |
548 | { | |
549 | struct drm_display_mode *nmode; | |
550 | ||
551 | nmode = kzalloc(sizeof(struct drm_display_mode), GFP_KERNEL); | |
552 | if (!nmode) | |
553 | return NULL; | |
554 | ||
555 | drm_mode_object_get(dev, &nmode->base, DRM_MODE_OBJECT_MODE); | |
556 | return nmode; | |
557 | } | |
558 | EXPORT_SYMBOL(drm_mode_create); | |
559 | ||
560 | /** | |
561 | * drm_mode_destroy - remove a mode | |
562 | * @dev: DRM device | |
563 | * @mode: mode to remove | |
564 | * | |
565 | * LOCKING: | |
566 | * Caller must hold mode config lock. | |
567 | * | |
568 | * Free @mode's unique identifier, then free it. | |
569 | */ | |
570 | void drm_mode_destroy(struct drm_device *dev, struct drm_display_mode *mode) | |
571 | { | |
572 | drm_mode_object_put(dev, &mode->base); | |
573 | ||
574 | kfree(mode); | |
575 | } | |
576 | EXPORT_SYMBOL(drm_mode_destroy); | |
577 | ||
578 | static int drm_mode_create_standard_connector_properties(struct drm_device *dev) | |
579 | { | |
580 | struct drm_property *edid; | |
581 | struct drm_property *dpms; | |
582 | int i; | |
583 | ||
584 | /* | |
585 | * Standard properties (apply to all connectors) | |
586 | */ | |
587 | edid = drm_property_create(dev, DRM_MODE_PROP_BLOB | | |
588 | DRM_MODE_PROP_IMMUTABLE, | |
589 | "EDID", 0); | |
590 | dev->mode_config.edid_property = edid; | |
591 | ||
592 | dpms = drm_property_create(dev, DRM_MODE_PROP_ENUM, | |
593 | "DPMS", ARRAY_SIZE(drm_dpms_enum_list)); | |
594 | for (i = 0; i < ARRAY_SIZE(drm_dpms_enum_list); i++) | |
595 | drm_property_add_enum(dpms, i, drm_dpms_enum_list[i].type, | |
596 | drm_dpms_enum_list[i].name); | |
597 | dev->mode_config.dpms_property = dpms; | |
598 | ||
599 | return 0; | |
600 | } | |
601 | ||
602 | /** | |
603 | * drm_mode_create_dvi_i_properties - create DVI-I specific connector properties | |
604 | * @dev: DRM device | |
605 | * | |
606 | * Called by a driver the first time a DVI-I connector is made. | |
607 | */ | |
608 | int drm_mode_create_dvi_i_properties(struct drm_device *dev) | |
609 | { | |
610 | struct drm_property *dvi_i_selector; | |
611 | struct drm_property *dvi_i_subconnector; | |
612 | int i; | |
613 | ||
614 | if (dev->mode_config.dvi_i_select_subconnector_property) | |
615 | return 0; | |
616 | ||
617 | dvi_i_selector = | |
618 | drm_property_create(dev, DRM_MODE_PROP_ENUM, | |
619 | "select subconnector", | |
620 | ARRAY_SIZE(drm_dvi_i_select_enum_list)); | |
621 | for (i = 0; i < ARRAY_SIZE(drm_dvi_i_select_enum_list); i++) | |
622 | drm_property_add_enum(dvi_i_selector, i, | |
623 | drm_dvi_i_select_enum_list[i].type, | |
624 | drm_dvi_i_select_enum_list[i].name); | |
625 | dev->mode_config.dvi_i_select_subconnector_property = dvi_i_selector; | |
626 | ||
627 | dvi_i_subconnector = | |
628 | drm_property_create(dev, DRM_MODE_PROP_ENUM | | |
629 | DRM_MODE_PROP_IMMUTABLE, | |
630 | "subconnector", | |
631 | ARRAY_SIZE(drm_dvi_i_subconnector_enum_list)); | |
632 | for (i = 0; i < ARRAY_SIZE(drm_dvi_i_subconnector_enum_list); i++) | |
633 | drm_property_add_enum(dvi_i_subconnector, i, | |
634 | drm_dvi_i_subconnector_enum_list[i].type, | |
635 | drm_dvi_i_subconnector_enum_list[i].name); | |
636 | dev->mode_config.dvi_i_subconnector_property = dvi_i_subconnector; | |
637 | ||
638 | return 0; | |
639 | } | |
640 | EXPORT_SYMBOL(drm_mode_create_dvi_i_properties); | |
641 | ||
642 | /** | |
643 | * drm_create_tv_properties - create TV specific connector properties | |
644 | * @dev: DRM device | |
645 | * @num_modes: number of different TV formats (modes) supported | |
646 | * @modes: array of pointers to strings containing name of each format | |
647 | * | |
648 | * Called by a driver's TV initialization routine, this function creates | |
649 | * the TV specific connector properties for a given device. Caller is | |
650 | * responsible for allocating a list of format names and passing them to | |
651 | * this routine. | |
652 | */ | |
653 | int drm_mode_create_tv_properties(struct drm_device *dev, int num_modes, | |
654 | char *modes[]) | |
655 | { | |
656 | struct drm_property *tv_selector; | |
657 | struct drm_property *tv_subconnector; | |
658 | int i; | |
659 | ||
660 | if (dev->mode_config.tv_select_subconnector_property) | |
661 | return 0; | |
662 | ||
663 | /* | |
664 | * Basic connector properties | |
665 | */ | |
666 | tv_selector = drm_property_create(dev, DRM_MODE_PROP_ENUM, | |
667 | "select subconnector", | |
668 | ARRAY_SIZE(drm_tv_select_enum_list)); | |
669 | for (i = 0; i < ARRAY_SIZE(drm_tv_select_enum_list); i++) | |
670 | drm_property_add_enum(tv_selector, i, | |
671 | drm_tv_select_enum_list[i].type, | |
672 | drm_tv_select_enum_list[i].name); | |
673 | dev->mode_config.tv_select_subconnector_property = tv_selector; | |
674 | ||
675 | tv_subconnector = | |
676 | drm_property_create(dev, DRM_MODE_PROP_ENUM | | |
677 | DRM_MODE_PROP_IMMUTABLE, "subconnector", | |
678 | ARRAY_SIZE(drm_tv_subconnector_enum_list)); | |
679 | for (i = 0; i < ARRAY_SIZE(drm_tv_subconnector_enum_list); i++) | |
680 | drm_property_add_enum(tv_subconnector, i, | |
681 | drm_tv_subconnector_enum_list[i].type, | |
682 | drm_tv_subconnector_enum_list[i].name); | |
683 | dev->mode_config.tv_subconnector_property = tv_subconnector; | |
684 | ||
685 | /* | |
686 | * Other, TV specific properties: margins & TV modes. | |
687 | */ | |
688 | dev->mode_config.tv_left_margin_property = | |
689 | drm_property_create(dev, DRM_MODE_PROP_RANGE, | |
690 | "left margin", 2); | |
691 | dev->mode_config.tv_left_margin_property->values[0] = 0; | |
692 | dev->mode_config.tv_left_margin_property->values[1] = 100; | |
693 | ||
694 | dev->mode_config.tv_right_margin_property = | |
695 | drm_property_create(dev, DRM_MODE_PROP_RANGE, | |
696 | "right margin", 2); | |
697 | dev->mode_config.tv_right_margin_property->values[0] = 0; | |
698 | dev->mode_config.tv_right_margin_property->values[1] = 100; | |
699 | ||
700 | dev->mode_config.tv_top_margin_property = | |
701 | drm_property_create(dev, DRM_MODE_PROP_RANGE, | |
702 | "top margin", 2); | |
703 | dev->mode_config.tv_top_margin_property->values[0] = 0; | |
704 | dev->mode_config.tv_top_margin_property->values[1] = 100; | |
705 | ||
706 | dev->mode_config.tv_bottom_margin_property = | |
707 | drm_property_create(dev, DRM_MODE_PROP_RANGE, | |
708 | "bottom margin", 2); | |
709 | dev->mode_config.tv_bottom_margin_property->values[0] = 0; | |
710 | dev->mode_config.tv_bottom_margin_property->values[1] = 100; | |
711 | ||
712 | dev->mode_config.tv_mode_property = | |
713 | drm_property_create(dev, DRM_MODE_PROP_ENUM, | |
714 | "mode", num_modes); | |
715 | for (i = 0; i < num_modes; i++) | |
716 | drm_property_add_enum(dev->mode_config.tv_mode_property, i, | |
717 | i, modes[i]); | |
718 | ||
b6b7902e FJ |
719 | dev->mode_config.tv_brightness_property = |
720 | drm_property_create(dev, DRM_MODE_PROP_RANGE, | |
721 | "brightness", 2); | |
722 | dev->mode_config.tv_brightness_property->values[0] = 0; | |
723 | dev->mode_config.tv_brightness_property->values[1] = 100; | |
724 | ||
725 | dev->mode_config.tv_contrast_property = | |
726 | drm_property_create(dev, DRM_MODE_PROP_RANGE, | |
727 | "contrast", 2); | |
728 | dev->mode_config.tv_contrast_property->values[0] = 0; | |
729 | dev->mode_config.tv_contrast_property->values[1] = 100; | |
730 | ||
731 | dev->mode_config.tv_flicker_reduction_property = | |
732 | drm_property_create(dev, DRM_MODE_PROP_RANGE, | |
733 | "flicker reduction", 2); | |
734 | dev->mode_config.tv_flicker_reduction_property->values[0] = 0; | |
735 | dev->mode_config.tv_flicker_reduction_property->values[1] = 100; | |
736 | ||
a75f0236 FJ |
737 | dev->mode_config.tv_overscan_property = |
738 | drm_property_create(dev, DRM_MODE_PROP_RANGE, | |
739 | "overscan", 2); | |
740 | dev->mode_config.tv_overscan_property->values[0] = 0; | |
741 | dev->mode_config.tv_overscan_property->values[1] = 100; | |
742 | ||
743 | dev->mode_config.tv_saturation_property = | |
744 | drm_property_create(dev, DRM_MODE_PROP_RANGE, | |
745 | "saturation", 2); | |
746 | dev->mode_config.tv_saturation_property->values[0] = 0; | |
747 | dev->mode_config.tv_saturation_property->values[1] = 100; | |
748 | ||
749 | dev->mode_config.tv_hue_property = | |
750 | drm_property_create(dev, DRM_MODE_PROP_RANGE, | |
751 | "hue", 2); | |
752 | dev->mode_config.tv_hue_property->values[0] = 0; | |
753 | dev->mode_config.tv_hue_property->values[1] = 100; | |
754 | ||
f453ba04 DA |
755 | return 0; |
756 | } | |
757 | EXPORT_SYMBOL(drm_mode_create_tv_properties); | |
758 | ||
759 | /** | |
760 | * drm_mode_create_scaling_mode_property - create scaling mode property | |
761 | * @dev: DRM device | |
762 | * | |
763 | * Called by a driver the first time it's needed, must be attached to desired | |
764 | * connectors. | |
765 | */ | |
766 | int drm_mode_create_scaling_mode_property(struct drm_device *dev) | |
767 | { | |
768 | struct drm_property *scaling_mode; | |
769 | int i; | |
770 | ||
771 | if (dev->mode_config.scaling_mode_property) | |
772 | return 0; | |
773 | ||
774 | scaling_mode = | |
775 | drm_property_create(dev, DRM_MODE_PROP_ENUM, "scaling mode", | |
776 | ARRAY_SIZE(drm_scaling_mode_enum_list)); | |
777 | for (i = 0; i < ARRAY_SIZE(drm_scaling_mode_enum_list); i++) | |
778 | drm_property_add_enum(scaling_mode, i, | |
779 | drm_scaling_mode_enum_list[i].type, | |
780 | drm_scaling_mode_enum_list[i].name); | |
781 | ||
782 | dev->mode_config.scaling_mode_property = scaling_mode; | |
783 | ||
784 | return 0; | |
785 | } | |
786 | EXPORT_SYMBOL(drm_mode_create_scaling_mode_property); | |
787 | ||
788 | /** | |
789 | * drm_mode_create_dithering_property - create dithering property | |
790 | * @dev: DRM device | |
791 | * | |
792 | * Called by a driver the first time it's needed, must be attached to desired | |
793 | * connectors. | |
794 | */ | |
795 | int drm_mode_create_dithering_property(struct drm_device *dev) | |
796 | { | |
797 | struct drm_property *dithering_mode; | |
798 | int i; | |
799 | ||
800 | if (dev->mode_config.dithering_mode_property) | |
801 | return 0; | |
802 | ||
803 | dithering_mode = | |
804 | drm_property_create(dev, DRM_MODE_PROP_ENUM, "dithering", | |
805 | ARRAY_SIZE(drm_dithering_mode_enum_list)); | |
806 | for (i = 0; i < ARRAY_SIZE(drm_dithering_mode_enum_list); i++) | |
807 | drm_property_add_enum(dithering_mode, i, | |
808 | drm_dithering_mode_enum_list[i].type, | |
809 | drm_dithering_mode_enum_list[i].name); | |
810 | dev->mode_config.dithering_mode_property = dithering_mode; | |
811 | ||
812 | return 0; | |
813 | } | |
814 | EXPORT_SYMBOL(drm_mode_create_dithering_property); | |
815 | ||
884840aa JB |
816 | /** |
817 | * drm_mode_create_dirty_property - create dirty property | |
818 | * @dev: DRM device | |
819 | * | |
820 | * Called by a driver the first time it's needed, must be attached to desired | |
821 | * connectors. | |
822 | */ | |
823 | int drm_mode_create_dirty_info_property(struct drm_device *dev) | |
824 | { | |
825 | struct drm_property *dirty_info; | |
826 | int i; | |
827 | ||
828 | if (dev->mode_config.dirty_info_property) | |
829 | return 0; | |
830 | ||
831 | dirty_info = | |
832 | drm_property_create(dev, DRM_MODE_PROP_ENUM | | |
833 | DRM_MODE_PROP_IMMUTABLE, | |
834 | "dirty", | |
835 | ARRAY_SIZE(drm_dirty_info_enum_list)); | |
836 | for (i = 0; i < ARRAY_SIZE(drm_dirty_info_enum_list); i++) | |
837 | drm_property_add_enum(dirty_info, i, | |
838 | drm_dirty_info_enum_list[i].type, | |
839 | drm_dirty_info_enum_list[i].name); | |
840 | dev->mode_config.dirty_info_property = dirty_info; | |
841 | ||
842 | return 0; | |
843 | } | |
844 | EXPORT_SYMBOL(drm_mode_create_dirty_info_property); | |
845 | ||
f453ba04 DA |
846 | /** |
847 | * drm_mode_config_init - initialize DRM mode_configuration structure | |
848 | * @dev: DRM device | |
849 | * | |
850 | * LOCKING: | |
851 | * None, should happen single threaded at init time. | |
852 | * | |
853 | * Initialize @dev's mode_config structure, used for tracking the graphics | |
854 | * configuration of @dev. | |
855 | */ | |
856 | void drm_mode_config_init(struct drm_device *dev) | |
857 | { | |
858 | mutex_init(&dev->mode_config.mutex); | |
ad2563c2 | 859 | mutex_init(&dev->mode_config.idr_mutex); |
f453ba04 DA |
860 | INIT_LIST_HEAD(&dev->mode_config.fb_list); |
861 | INIT_LIST_HEAD(&dev->mode_config.fb_kernel_list); | |
862 | INIT_LIST_HEAD(&dev->mode_config.crtc_list); | |
863 | INIT_LIST_HEAD(&dev->mode_config.connector_list); | |
864 | INIT_LIST_HEAD(&dev->mode_config.encoder_list); | |
865 | INIT_LIST_HEAD(&dev->mode_config.property_list); | |
866 | INIT_LIST_HEAD(&dev->mode_config.property_blob_list); | |
867 | idr_init(&dev->mode_config.crtc_idr); | |
868 | ||
869 | mutex_lock(&dev->mode_config.mutex); | |
870 | drm_mode_create_standard_connector_properties(dev); | |
871 | mutex_unlock(&dev->mode_config.mutex); | |
872 | ||
873 | /* Just to be sure */ | |
874 | dev->mode_config.num_fb = 0; | |
875 | dev->mode_config.num_connector = 0; | |
876 | dev->mode_config.num_crtc = 0; | |
877 | dev->mode_config.num_encoder = 0; | |
f453ba04 DA |
878 | } |
879 | EXPORT_SYMBOL(drm_mode_config_init); | |
880 | ||
881 | int drm_mode_group_init(struct drm_device *dev, struct drm_mode_group *group) | |
882 | { | |
883 | uint32_t total_objects = 0; | |
884 | ||
885 | total_objects += dev->mode_config.num_crtc; | |
886 | total_objects += dev->mode_config.num_connector; | |
887 | total_objects += dev->mode_config.num_encoder; | |
888 | ||
889 | if (total_objects == 0) | |
890 | return -EINVAL; | |
891 | ||
892 | group->id_list = kzalloc(total_objects * sizeof(uint32_t), GFP_KERNEL); | |
893 | if (!group->id_list) | |
894 | return -ENOMEM; | |
895 | ||
896 | group->num_crtcs = 0; | |
897 | group->num_connectors = 0; | |
898 | group->num_encoders = 0; | |
899 | return 0; | |
900 | } | |
901 | ||
902 | int drm_mode_group_init_legacy_group(struct drm_device *dev, | |
903 | struct drm_mode_group *group) | |
904 | { | |
905 | struct drm_crtc *crtc; | |
906 | struct drm_encoder *encoder; | |
907 | struct drm_connector *connector; | |
908 | int ret; | |
909 | ||
910 | if ((ret = drm_mode_group_init(dev, group))) | |
911 | return ret; | |
912 | ||
913 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) | |
914 | group->id_list[group->num_crtcs++] = crtc->base.id; | |
915 | ||
916 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) | |
917 | group->id_list[group->num_crtcs + group->num_encoders++] = | |
918 | encoder->base.id; | |
919 | ||
920 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) | |
921 | group->id_list[group->num_crtcs + group->num_encoders + | |
922 | group->num_connectors++] = connector->base.id; | |
923 | ||
924 | return 0; | |
925 | } | |
926 | ||
927 | /** | |
928 | * drm_mode_config_cleanup - free up DRM mode_config info | |
929 | * @dev: DRM device | |
930 | * | |
931 | * LOCKING: | |
932 | * Caller must hold mode config lock. | |
933 | * | |
934 | * Free up all the connectors and CRTCs associated with this DRM device, then | |
935 | * free up the framebuffers and associated buffer objects. | |
936 | * | |
937 | * FIXME: cleanup any dangling user buffer objects too | |
938 | */ | |
939 | void drm_mode_config_cleanup(struct drm_device *dev) | |
940 | { | |
941 | struct drm_connector *connector, *ot; | |
942 | struct drm_crtc *crtc, *ct; | |
943 | struct drm_encoder *encoder, *enct; | |
944 | struct drm_framebuffer *fb, *fbt; | |
945 | struct drm_property *property, *pt; | |
946 | ||
947 | list_for_each_entry_safe(encoder, enct, &dev->mode_config.encoder_list, | |
948 | head) { | |
949 | encoder->funcs->destroy(encoder); | |
950 | } | |
951 | ||
952 | list_for_each_entry_safe(connector, ot, | |
953 | &dev->mode_config.connector_list, head) { | |
954 | connector->funcs->destroy(connector); | |
955 | } | |
956 | ||
957 | list_for_each_entry_safe(property, pt, &dev->mode_config.property_list, | |
958 | head) { | |
959 | drm_property_destroy(dev, property); | |
960 | } | |
961 | ||
962 | list_for_each_entry_safe(fb, fbt, &dev->mode_config.fb_list, head) { | |
963 | fb->funcs->destroy(fb); | |
964 | } | |
965 | ||
966 | list_for_each_entry_safe(crtc, ct, &dev->mode_config.crtc_list, head) { | |
967 | crtc->funcs->destroy(crtc); | |
968 | } | |
969 | ||
970 | } | |
971 | EXPORT_SYMBOL(drm_mode_config_cleanup); | |
972 | ||
f453ba04 DA |
973 | /** |
974 | * drm_crtc_convert_to_umode - convert a drm_display_mode into a modeinfo | |
975 | * @out: drm_mode_modeinfo struct to return to the user | |
976 | * @in: drm_display_mode to use | |
977 | * | |
978 | * LOCKING: | |
979 | * None. | |
980 | * | |
981 | * Convert a drm_display_mode into a drm_mode_modeinfo structure to return to | |
982 | * the user. | |
983 | */ | |
984 | void drm_crtc_convert_to_umode(struct drm_mode_modeinfo *out, | |
985 | struct drm_display_mode *in) | |
986 | { | |
987 | out->clock = in->clock; | |
988 | out->hdisplay = in->hdisplay; | |
989 | out->hsync_start = in->hsync_start; | |
990 | out->hsync_end = in->hsync_end; | |
991 | out->htotal = in->htotal; | |
992 | out->hskew = in->hskew; | |
993 | out->vdisplay = in->vdisplay; | |
994 | out->vsync_start = in->vsync_start; | |
995 | out->vsync_end = in->vsync_end; | |
996 | out->vtotal = in->vtotal; | |
997 | out->vscan = in->vscan; | |
998 | out->vrefresh = in->vrefresh; | |
999 | out->flags = in->flags; | |
1000 | out->type = in->type; | |
1001 | strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN); | |
1002 | out->name[DRM_DISPLAY_MODE_LEN-1] = 0; | |
1003 | } | |
1004 | ||
1005 | /** | |
1006 | * drm_crtc_convert_to_umode - convert a modeinfo into a drm_display_mode | |
1007 | * @out: drm_display_mode to return to the user | |
1008 | * @in: drm_mode_modeinfo to use | |
1009 | * | |
1010 | * LOCKING: | |
1011 | * None. | |
1012 | * | |
1013 | * Convert a drm_mode_modeinfo into a drm_display_mode structure to return to | |
1014 | * the caller. | |
1015 | */ | |
1016 | void drm_crtc_convert_umode(struct drm_display_mode *out, | |
1017 | struct drm_mode_modeinfo *in) | |
1018 | { | |
1019 | out->clock = in->clock; | |
1020 | out->hdisplay = in->hdisplay; | |
1021 | out->hsync_start = in->hsync_start; | |
1022 | out->hsync_end = in->hsync_end; | |
1023 | out->htotal = in->htotal; | |
1024 | out->hskew = in->hskew; | |
1025 | out->vdisplay = in->vdisplay; | |
1026 | out->vsync_start = in->vsync_start; | |
1027 | out->vsync_end = in->vsync_end; | |
1028 | out->vtotal = in->vtotal; | |
1029 | out->vscan = in->vscan; | |
1030 | out->vrefresh = in->vrefresh; | |
1031 | out->flags = in->flags; | |
1032 | out->type = in->type; | |
1033 | strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN); | |
1034 | out->name[DRM_DISPLAY_MODE_LEN-1] = 0; | |
1035 | } | |
1036 | ||
1037 | /** | |
1038 | * drm_mode_getresources - get graphics configuration | |
1039 | * @inode: inode from the ioctl | |
1040 | * @filp: file * from the ioctl | |
1041 | * @cmd: cmd from ioctl | |
1042 | * @arg: arg from ioctl | |
1043 | * | |
1044 | * LOCKING: | |
1045 | * Takes mode config lock. | |
1046 | * | |
1047 | * Construct a set of configuration description structures and return | |
1048 | * them to the user, including CRTC, connector and framebuffer configuration. | |
1049 | * | |
1050 | * Called by the user via ioctl. | |
1051 | * | |
1052 | * RETURNS: | |
1053 | * Zero on success, errno on failure. | |
1054 | */ | |
1055 | int drm_mode_getresources(struct drm_device *dev, void *data, | |
1056 | struct drm_file *file_priv) | |
1057 | { | |
1058 | struct drm_mode_card_res *card_res = data; | |
1059 | struct list_head *lh; | |
1060 | struct drm_framebuffer *fb; | |
1061 | struct drm_connector *connector; | |
1062 | struct drm_crtc *crtc; | |
1063 | struct drm_encoder *encoder; | |
1064 | int ret = 0; | |
1065 | int connector_count = 0; | |
1066 | int crtc_count = 0; | |
1067 | int fb_count = 0; | |
1068 | int encoder_count = 0; | |
1069 | int copied = 0, i; | |
1070 | uint32_t __user *fb_id; | |
1071 | uint32_t __user *crtc_id; | |
1072 | uint32_t __user *connector_id; | |
1073 | uint32_t __user *encoder_id; | |
1074 | struct drm_mode_group *mode_group; | |
1075 | ||
1076 | mutex_lock(&dev->mode_config.mutex); | |
1077 | ||
1078 | /* | |
1079 | * For the non-control nodes we need to limit the list of resources | |
1080 | * by IDs in the group list for this node | |
1081 | */ | |
1082 | list_for_each(lh, &file_priv->fbs) | |
1083 | fb_count++; | |
1084 | ||
1085 | mode_group = &file_priv->master->minor->mode_group; | |
1086 | if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { | |
1087 | ||
1088 | list_for_each(lh, &dev->mode_config.crtc_list) | |
1089 | crtc_count++; | |
1090 | ||
1091 | list_for_each(lh, &dev->mode_config.connector_list) | |
1092 | connector_count++; | |
1093 | ||
1094 | list_for_each(lh, &dev->mode_config.encoder_list) | |
1095 | encoder_count++; | |
1096 | } else { | |
1097 | ||
1098 | crtc_count = mode_group->num_crtcs; | |
1099 | connector_count = mode_group->num_connectors; | |
1100 | encoder_count = mode_group->num_encoders; | |
1101 | } | |
1102 | ||
1103 | card_res->max_height = dev->mode_config.max_height; | |
1104 | card_res->min_height = dev->mode_config.min_height; | |
1105 | card_res->max_width = dev->mode_config.max_width; | |
1106 | card_res->min_width = dev->mode_config.min_width; | |
1107 | ||
1108 | /* handle this in 4 parts */ | |
1109 | /* FBs */ | |
1110 | if (card_res->count_fbs >= fb_count) { | |
1111 | copied = 0; | |
1112 | fb_id = (uint32_t __user *)(unsigned long)card_res->fb_id_ptr; | |
1113 | list_for_each_entry(fb, &file_priv->fbs, head) { | |
1114 | if (put_user(fb->base.id, fb_id + copied)) { | |
1115 | ret = -EFAULT; | |
1116 | goto out; | |
1117 | } | |
1118 | copied++; | |
1119 | } | |
1120 | } | |
1121 | card_res->count_fbs = fb_count; | |
1122 | ||
1123 | /* CRTCs */ | |
1124 | if (card_res->count_crtcs >= crtc_count) { | |
1125 | copied = 0; | |
1126 | crtc_id = (uint32_t __user *)(unsigned long)card_res->crtc_id_ptr; | |
1127 | if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { | |
1128 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, | |
1129 | head) { | |
58367ed6 | 1130 | DRM_DEBUG_KMS("CRTC ID is %d\n", crtc->base.id); |
f453ba04 DA |
1131 | if (put_user(crtc->base.id, crtc_id + copied)) { |
1132 | ret = -EFAULT; | |
1133 | goto out; | |
1134 | } | |
1135 | copied++; | |
1136 | } | |
1137 | } else { | |
1138 | for (i = 0; i < mode_group->num_crtcs; i++) { | |
1139 | if (put_user(mode_group->id_list[i], | |
1140 | crtc_id + copied)) { | |
1141 | ret = -EFAULT; | |
1142 | goto out; | |
1143 | } | |
1144 | copied++; | |
1145 | } | |
1146 | } | |
1147 | } | |
1148 | card_res->count_crtcs = crtc_count; | |
1149 | ||
1150 | /* Encoders */ | |
1151 | if (card_res->count_encoders >= encoder_count) { | |
1152 | copied = 0; | |
1153 | encoder_id = (uint32_t __user *)(unsigned long)card_res->encoder_id_ptr; | |
1154 | if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { | |
1155 | list_for_each_entry(encoder, | |
1156 | &dev->mode_config.encoder_list, | |
1157 | head) { | |
58367ed6 | 1158 | DRM_DEBUG_KMS("ENCODER ID is %d\n", |
f453ba04 DA |
1159 | encoder->base.id); |
1160 | if (put_user(encoder->base.id, encoder_id + | |
1161 | copied)) { | |
1162 | ret = -EFAULT; | |
1163 | goto out; | |
1164 | } | |
1165 | copied++; | |
1166 | } | |
1167 | } else { | |
1168 | for (i = mode_group->num_crtcs; i < mode_group->num_crtcs + mode_group->num_encoders; i++) { | |
1169 | if (put_user(mode_group->id_list[i], | |
1170 | encoder_id + copied)) { | |
1171 | ret = -EFAULT; | |
1172 | goto out; | |
1173 | } | |
1174 | copied++; | |
1175 | } | |
1176 | ||
1177 | } | |
1178 | } | |
1179 | card_res->count_encoders = encoder_count; | |
1180 | ||
1181 | /* Connectors */ | |
1182 | if (card_res->count_connectors >= connector_count) { | |
1183 | copied = 0; | |
1184 | connector_id = (uint32_t __user *)(unsigned long)card_res->connector_id_ptr; | |
1185 | if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { | |
1186 | list_for_each_entry(connector, | |
1187 | &dev->mode_config.connector_list, | |
1188 | head) { | |
58367ed6 | 1189 | DRM_DEBUG_KMS("CONNECTOR ID is %d\n", |
f453ba04 DA |
1190 | connector->base.id); |
1191 | if (put_user(connector->base.id, | |
1192 | connector_id + copied)) { | |
1193 | ret = -EFAULT; | |
1194 | goto out; | |
1195 | } | |
1196 | copied++; | |
1197 | } | |
1198 | } else { | |
1199 | int start = mode_group->num_crtcs + | |
1200 | mode_group->num_encoders; | |
1201 | for (i = start; i < start + mode_group->num_connectors; i++) { | |
1202 | if (put_user(mode_group->id_list[i], | |
1203 | connector_id + copied)) { | |
1204 | ret = -EFAULT; | |
1205 | goto out; | |
1206 | } | |
1207 | copied++; | |
1208 | } | |
1209 | } | |
1210 | } | |
1211 | card_res->count_connectors = connector_count; | |
1212 | ||
58367ed6 | 1213 | DRM_DEBUG_KMS("Counted %d %d %d\n", card_res->count_crtcs, |
f453ba04 DA |
1214 | card_res->count_connectors, card_res->count_encoders); |
1215 | ||
1216 | out: | |
1217 | mutex_unlock(&dev->mode_config.mutex); | |
1218 | return ret; | |
1219 | } | |
1220 | ||
1221 | /** | |
1222 | * drm_mode_getcrtc - get CRTC configuration | |
1223 | * @inode: inode from the ioctl | |
1224 | * @filp: file * from the ioctl | |
1225 | * @cmd: cmd from ioctl | |
1226 | * @arg: arg from ioctl | |
1227 | * | |
1228 | * LOCKING: | |
1229 | * Caller? (FIXME) | |
1230 | * | |
1231 | * Construct a CRTC configuration structure to return to the user. | |
1232 | * | |
1233 | * Called by the user via ioctl. | |
1234 | * | |
1235 | * RETURNS: | |
1236 | * Zero on success, errno on failure. | |
1237 | */ | |
1238 | int drm_mode_getcrtc(struct drm_device *dev, | |
1239 | void *data, struct drm_file *file_priv) | |
1240 | { | |
1241 | struct drm_mode_crtc *crtc_resp = data; | |
1242 | struct drm_crtc *crtc; | |
1243 | struct drm_mode_object *obj; | |
1244 | int ret = 0; | |
1245 | ||
1246 | mutex_lock(&dev->mode_config.mutex); | |
1247 | ||
1248 | obj = drm_mode_object_find(dev, crtc_resp->crtc_id, | |
1249 | DRM_MODE_OBJECT_CRTC); | |
1250 | if (!obj) { | |
1251 | ret = -EINVAL; | |
1252 | goto out; | |
1253 | } | |
1254 | crtc = obj_to_crtc(obj); | |
1255 | ||
1256 | crtc_resp->x = crtc->x; | |
1257 | crtc_resp->y = crtc->y; | |
1258 | crtc_resp->gamma_size = crtc->gamma_size; | |
1259 | if (crtc->fb) | |
1260 | crtc_resp->fb_id = crtc->fb->base.id; | |
1261 | else | |
1262 | crtc_resp->fb_id = 0; | |
1263 | ||
1264 | if (crtc->enabled) { | |
1265 | ||
1266 | drm_crtc_convert_to_umode(&crtc_resp->mode, &crtc->mode); | |
1267 | crtc_resp->mode_valid = 1; | |
1268 | ||
1269 | } else { | |
1270 | crtc_resp->mode_valid = 0; | |
1271 | } | |
1272 | ||
1273 | out: | |
1274 | mutex_unlock(&dev->mode_config.mutex); | |
1275 | return ret; | |
1276 | } | |
1277 | ||
1278 | /** | |
1279 | * drm_mode_getconnector - get connector configuration | |
1280 | * @inode: inode from the ioctl | |
1281 | * @filp: file * from the ioctl | |
1282 | * @cmd: cmd from ioctl | |
1283 | * @arg: arg from ioctl | |
1284 | * | |
1285 | * LOCKING: | |
1286 | * Caller? (FIXME) | |
1287 | * | |
1288 | * Construct a connector configuration structure to return to the user. | |
1289 | * | |
1290 | * Called by the user via ioctl. | |
1291 | * | |
1292 | * RETURNS: | |
1293 | * Zero on success, errno on failure. | |
1294 | */ | |
1295 | int drm_mode_getconnector(struct drm_device *dev, void *data, | |
1296 | struct drm_file *file_priv) | |
1297 | { | |
1298 | struct drm_mode_get_connector *out_resp = data; | |
1299 | struct drm_mode_object *obj; | |
1300 | struct drm_connector *connector; | |
1301 | struct drm_display_mode *mode; | |
1302 | int mode_count = 0; | |
1303 | int props_count = 0; | |
1304 | int encoders_count = 0; | |
1305 | int ret = 0; | |
1306 | int copied = 0; | |
1307 | int i; | |
1308 | struct drm_mode_modeinfo u_mode; | |
1309 | struct drm_mode_modeinfo __user *mode_ptr; | |
1310 | uint32_t __user *prop_ptr; | |
1311 | uint64_t __user *prop_values; | |
1312 | uint32_t __user *encoder_ptr; | |
1313 | ||
1314 | memset(&u_mode, 0, sizeof(struct drm_mode_modeinfo)); | |
1315 | ||
58367ed6 | 1316 | DRM_DEBUG_KMS("connector id %d:\n", out_resp->connector_id); |
f453ba04 DA |
1317 | |
1318 | mutex_lock(&dev->mode_config.mutex); | |
1319 | ||
1320 | obj = drm_mode_object_find(dev, out_resp->connector_id, | |
1321 | DRM_MODE_OBJECT_CONNECTOR); | |
1322 | if (!obj) { | |
1323 | ret = -EINVAL; | |
1324 | goto out; | |
1325 | } | |
1326 | connector = obj_to_connector(obj); | |
1327 | ||
1328 | for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) { | |
1329 | if (connector->property_ids[i] != 0) { | |
1330 | props_count++; | |
1331 | } | |
1332 | } | |
1333 | ||
1334 | for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { | |
1335 | if (connector->encoder_ids[i] != 0) { | |
1336 | encoders_count++; | |
1337 | } | |
1338 | } | |
1339 | ||
1340 | if (out_resp->count_modes == 0) { | |
1341 | connector->funcs->fill_modes(connector, | |
1342 | dev->mode_config.max_width, | |
1343 | dev->mode_config.max_height); | |
1344 | } | |
1345 | ||
1346 | /* delayed so we get modes regardless of pre-fill_modes state */ | |
1347 | list_for_each_entry(mode, &connector->modes, head) | |
1348 | mode_count++; | |
1349 | ||
1350 | out_resp->connector_id = connector->base.id; | |
1351 | out_resp->connector_type = connector->connector_type; | |
1352 | out_resp->connector_type_id = connector->connector_type_id; | |
1353 | out_resp->mm_width = connector->display_info.width_mm; | |
1354 | out_resp->mm_height = connector->display_info.height_mm; | |
1355 | out_resp->subpixel = connector->display_info.subpixel_order; | |
1356 | out_resp->connection = connector->status; | |
1357 | if (connector->encoder) | |
1358 | out_resp->encoder_id = connector->encoder->base.id; | |
1359 | else | |
1360 | out_resp->encoder_id = 0; | |
1361 | ||
1362 | /* | |
1363 | * This ioctl is called twice, once to determine how much space is | |
1364 | * needed, and the 2nd time to fill it. | |
1365 | */ | |
1366 | if ((out_resp->count_modes >= mode_count) && mode_count) { | |
1367 | copied = 0; | |
1368 | mode_ptr = (struct drm_mode_modeinfo *)(unsigned long)out_resp->modes_ptr; | |
1369 | list_for_each_entry(mode, &connector->modes, head) { | |
1370 | drm_crtc_convert_to_umode(&u_mode, mode); | |
1371 | if (copy_to_user(mode_ptr + copied, | |
1372 | &u_mode, sizeof(u_mode))) { | |
1373 | ret = -EFAULT; | |
1374 | goto out; | |
1375 | } | |
1376 | copied++; | |
1377 | } | |
1378 | } | |
1379 | out_resp->count_modes = mode_count; | |
1380 | ||
1381 | if ((out_resp->count_props >= props_count) && props_count) { | |
1382 | copied = 0; | |
1383 | prop_ptr = (uint32_t *)(unsigned long)(out_resp->props_ptr); | |
1384 | prop_values = (uint64_t *)(unsigned long)(out_resp->prop_values_ptr); | |
1385 | for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) { | |
1386 | if (connector->property_ids[i] != 0) { | |
1387 | if (put_user(connector->property_ids[i], | |
1388 | prop_ptr + copied)) { | |
1389 | ret = -EFAULT; | |
1390 | goto out; | |
1391 | } | |
1392 | ||
1393 | if (put_user(connector->property_values[i], | |
1394 | prop_values + copied)) { | |
1395 | ret = -EFAULT; | |
1396 | goto out; | |
1397 | } | |
1398 | copied++; | |
1399 | } | |
1400 | } | |
1401 | } | |
1402 | out_resp->count_props = props_count; | |
1403 | ||
1404 | if ((out_resp->count_encoders >= encoders_count) && encoders_count) { | |
1405 | copied = 0; | |
1406 | encoder_ptr = (uint32_t *)(unsigned long)(out_resp->encoders_ptr); | |
1407 | for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { | |
1408 | if (connector->encoder_ids[i] != 0) { | |
1409 | if (put_user(connector->encoder_ids[i], | |
1410 | encoder_ptr + copied)) { | |
1411 | ret = -EFAULT; | |
1412 | goto out; | |
1413 | } | |
1414 | copied++; | |
1415 | } | |
1416 | } | |
1417 | } | |
1418 | out_resp->count_encoders = encoders_count; | |
1419 | ||
1420 | out: | |
1421 | mutex_unlock(&dev->mode_config.mutex); | |
1422 | return ret; | |
1423 | } | |
1424 | ||
1425 | int drm_mode_getencoder(struct drm_device *dev, void *data, | |
1426 | struct drm_file *file_priv) | |
1427 | { | |
1428 | struct drm_mode_get_encoder *enc_resp = data; | |
1429 | struct drm_mode_object *obj; | |
1430 | struct drm_encoder *encoder; | |
1431 | int ret = 0; | |
1432 | ||
1433 | mutex_lock(&dev->mode_config.mutex); | |
1434 | obj = drm_mode_object_find(dev, enc_resp->encoder_id, | |
1435 | DRM_MODE_OBJECT_ENCODER); | |
1436 | if (!obj) { | |
1437 | ret = -EINVAL; | |
1438 | goto out; | |
1439 | } | |
1440 | encoder = obj_to_encoder(obj); | |
1441 | ||
1442 | if (encoder->crtc) | |
1443 | enc_resp->crtc_id = encoder->crtc->base.id; | |
1444 | else | |
1445 | enc_resp->crtc_id = 0; | |
1446 | enc_resp->encoder_type = encoder->encoder_type; | |
1447 | enc_resp->encoder_id = encoder->base.id; | |
1448 | enc_resp->possible_crtcs = encoder->possible_crtcs; | |
1449 | enc_resp->possible_clones = encoder->possible_clones; | |
1450 | ||
1451 | out: | |
1452 | mutex_unlock(&dev->mode_config.mutex); | |
1453 | return ret; | |
1454 | } | |
1455 | ||
1456 | /** | |
1457 | * drm_mode_setcrtc - set CRTC configuration | |
1458 | * @inode: inode from the ioctl | |
1459 | * @filp: file * from the ioctl | |
1460 | * @cmd: cmd from ioctl | |
1461 | * @arg: arg from ioctl | |
1462 | * | |
1463 | * LOCKING: | |
1464 | * Caller? (FIXME) | |
1465 | * | |
1466 | * Build a new CRTC configuration based on user request. | |
1467 | * | |
1468 | * Called by the user via ioctl. | |
1469 | * | |
1470 | * RETURNS: | |
1471 | * Zero on success, errno on failure. | |
1472 | */ | |
1473 | int drm_mode_setcrtc(struct drm_device *dev, void *data, | |
1474 | struct drm_file *file_priv) | |
1475 | { | |
1476 | struct drm_mode_config *config = &dev->mode_config; | |
1477 | struct drm_mode_crtc *crtc_req = data; | |
1478 | struct drm_mode_object *obj; | |
1479 | struct drm_crtc *crtc, *crtcfb; | |
1480 | struct drm_connector **connector_set = NULL, *connector; | |
1481 | struct drm_framebuffer *fb = NULL; | |
1482 | struct drm_display_mode *mode = NULL; | |
1483 | struct drm_mode_set set; | |
1484 | uint32_t __user *set_connectors_ptr; | |
1485 | int ret = 0; | |
1486 | int i; | |
1487 | ||
1488 | mutex_lock(&dev->mode_config.mutex); | |
1489 | obj = drm_mode_object_find(dev, crtc_req->crtc_id, | |
1490 | DRM_MODE_OBJECT_CRTC); | |
1491 | if (!obj) { | |
58367ed6 | 1492 | DRM_DEBUG_KMS("Unknown CRTC ID %d\n", crtc_req->crtc_id); |
f453ba04 DA |
1493 | ret = -EINVAL; |
1494 | goto out; | |
1495 | } | |
1496 | crtc = obj_to_crtc(obj); | |
1497 | ||
1498 | if (crtc_req->mode_valid) { | |
1499 | /* If we have a mode we need a framebuffer. */ | |
1500 | /* If we pass -1, set the mode with the currently bound fb */ | |
1501 | if (crtc_req->fb_id == -1) { | |
1502 | list_for_each_entry(crtcfb, | |
1503 | &dev->mode_config.crtc_list, head) { | |
1504 | if (crtcfb == crtc) { | |
58367ed6 ZY |
1505 | DRM_DEBUG_KMS("Using current fb for " |
1506 | "setmode\n"); | |
f453ba04 DA |
1507 | fb = crtc->fb; |
1508 | } | |
1509 | } | |
1510 | } else { | |
1511 | obj = drm_mode_object_find(dev, crtc_req->fb_id, | |
1512 | DRM_MODE_OBJECT_FB); | |
1513 | if (!obj) { | |
58367ed6 ZY |
1514 | DRM_DEBUG_KMS("Unknown FB ID%d\n", |
1515 | crtc_req->fb_id); | |
f453ba04 DA |
1516 | ret = -EINVAL; |
1517 | goto out; | |
1518 | } | |
1519 | fb = obj_to_fb(obj); | |
1520 | } | |
1521 | ||
1522 | mode = drm_mode_create(dev); | |
1523 | drm_crtc_convert_umode(mode, &crtc_req->mode); | |
1524 | drm_mode_set_crtcinfo(mode, CRTC_INTERLACE_HALVE_V); | |
1525 | } | |
1526 | ||
1527 | if (crtc_req->count_connectors == 0 && mode) { | |
58367ed6 | 1528 | DRM_DEBUG_KMS("Count connectors is 0 but mode set\n"); |
f453ba04 DA |
1529 | ret = -EINVAL; |
1530 | goto out; | |
1531 | } | |
1532 | ||
7781de74 | 1533 | if (crtc_req->count_connectors > 0 && (!mode || !fb)) { |
58367ed6 | 1534 | DRM_DEBUG_KMS("Count connectors is %d but no mode or fb set\n", |
f453ba04 DA |
1535 | crtc_req->count_connectors); |
1536 | ret = -EINVAL; | |
1537 | goto out; | |
1538 | } | |
1539 | ||
1540 | if (crtc_req->count_connectors > 0) { | |
1541 | u32 out_id; | |
1542 | ||
1543 | /* Avoid unbounded kernel memory allocation */ | |
1544 | if (crtc_req->count_connectors > config->num_connector) { | |
1545 | ret = -EINVAL; | |
1546 | goto out; | |
1547 | } | |
1548 | ||
1549 | connector_set = kmalloc(crtc_req->count_connectors * | |
1550 | sizeof(struct drm_connector *), | |
1551 | GFP_KERNEL); | |
1552 | if (!connector_set) { | |
1553 | ret = -ENOMEM; | |
1554 | goto out; | |
1555 | } | |
1556 | ||
1557 | for (i = 0; i < crtc_req->count_connectors; i++) { | |
1558 | set_connectors_ptr = (uint32_t *)(unsigned long)crtc_req->set_connectors_ptr; | |
1559 | if (get_user(out_id, &set_connectors_ptr[i])) { | |
1560 | ret = -EFAULT; | |
1561 | goto out; | |
1562 | } | |
1563 | ||
1564 | obj = drm_mode_object_find(dev, out_id, | |
1565 | DRM_MODE_OBJECT_CONNECTOR); | |
1566 | if (!obj) { | |
58367ed6 ZY |
1567 | DRM_DEBUG_KMS("Connector id %d unknown\n", |
1568 | out_id); | |
f453ba04 DA |
1569 | ret = -EINVAL; |
1570 | goto out; | |
1571 | } | |
1572 | connector = obj_to_connector(obj); | |
1573 | ||
1574 | connector_set[i] = connector; | |
1575 | } | |
1576 | } | |
1577 | ||
1578 | set.crtc = crtc; | |
1579 | set.x = crtc_req->x; | |
1580 | set.y = crtc_req->y; | |
1581 | set.mode = mode; | |
1582 | set.connectors = connector_set; | |
1583 | set.num_connectors = crtc_req->count_connectors; | |
5ef5f72f | 1584 | set.fb = fb; |
f453ba04 DA |
1585 | ret = crtc->funcs->set_config(&set); |
1586 | ||
1587 | out: | |
1588 | kfree(connector_set); | |
1589 | mutex_unlock(&dev->mode_config.mutex); | |
1590 | return ret; | |
1591 | } | |
1592 | ||
1593 | int drm_mode_cursor_ioctl(struct drm_device *dev, | |
1594 | void *data, struct drm_file *file_priv) | |
1595 | { | |
1596 | struct drm_mode_cursor *req = data; | |
1597 | struct drm_mode_object *obj; | |
1598 | struct drm_crtc *crtc; | |
1599 | int ret = 0; | |
1600 | ||
f453ba04 DA |
1601 | if (!req->flags) { |
1602 | DRM_ERROR("no operation set\n"); | |
1603 | return -EINVAL; | |
1604 | } | |
1605 | ||
1606 | mutex_lock(&dev->mode_config.mutex); | |
e0c8463a | 1607 | obj = drm_mode_object_find(dev, req->crtc_id, DRM_MODE_OBJECT_CRTC); |
f453ba04 | 1608 | if (!obj) { |
58367ed6 | 1609 | DRM_DEBUG_KMS("Unknown CRTC ID %d\n", req->crtc_id); |
f453ba04 DA |
1610 | ret = -EINVAL; |
1611 | goto out; | |
1612 | } | |
1613 | crtc = obj_to_crtc(obj); | |
1614 | ||
1615 | if (req->flags & DRM_MODE_CURSOR_BO) { | |
1616 | if (!crtc->funcs->cursor_set) { | |
1617 | DRM_ERROR("crtc does not support cursor\n"); | |
1618 | ret = -ENXIO; | |
1619 | goto out; | |
1620 | } | |
1621 | /* Turns off the cursor if handle is 0 */ | |
1622 | ret = crtc->funcs->cursor_set(crtc, file_priv, req->handle, | |
1623 | req->width, req->height); | |
1624 | } | |
1625 | ||
1626 | if (req->flags & DRM_MODE_CURSOR_MOVE) { | |
1627 | if (crtc->funcs->cursor_move) { | |
1628 | ret = crtc->funcs->cursor_move(crtc, req->x, req->y); | |
1629 | } else { | |
1630 | DRM_ERROR("crtc does not support cursor\n"); | |
1631 | ret = -EFAULT; | |
1632 | goto out; | |
1633 | } | |
1634 | } | |
1635 | out: | |
1636 | mutex_unlock(&dev->mode_config.mutex); | |
1637 | return ret; | |
1638 | } | |
1639 | ||
1640 | /** | |
1641 | * drm_mode_addfb - add an FB to the graphics configuration | |
1642 | * @inode: inode from the ioctl | |
1643 | * @filp: file * from the ioctl | |
1644 | * @cmd: cmd from ioctl | |
1645 | * @arg: arg from ioctl | |
1646 | * | |
1647 | * LOCKING: | |
1648 | * Takes mode config lock. | |
1649 | * | |
1650 | * Add a new FB to the specified CRTC, given a user request. | |
1651 | * | |
1652 | * Called by the user via ioctl. | |
1653 | * | |
1654 | * RETURNS: | |
1655 | * Zero on success, errno on failure. | |
1656 | */ | |
1657 | int drm_mode_addfb(struct drm_device *dev, | |
1658 | void *data, struct drm_file *file_priv) | |
1659 | { | |
1660 | struct drm_mode_fb_cmd *r = data; | |
1661 | struct drm_mode_config *config = &dev->mode_config; | |
1662 | struct drm_framebuffer *fb; | |
1663 | int ret = 0; | |
1664 | ||
1665 | if ((config->min_width > r->width) || (r->width > config->max_width)) { | |
1666 | DRM_ERROR("mode new framebuffer width not within limits\n"); | |
1667 | return -EINVAL; | |
1668 | } | |
1669 | if ((config->min_height > r->height) || (r->height > config->max_height)) { | |
1670 | DRM_ERROR("mode new framebuffer height not within limits\n"); | |
1671 | return -EINVAL; | |
1672 | } | |
1673 | ||
1674 | mutex_lock(&dev->mode_config.mutex); | |
1675 | ||
1676 | /* TODO check buffer is sufficently large */ | |
1677 | /* TODO setup destructor callback */ | |
1678 | ||
1679 | fb = dev->mode_config.funcs->fb_create(dev, file_priv, r); | |
1680 | if (!fb) { | |
1681 | DRM_ERROR("could not create framebuffer\n"); | |
1682 | ret = -EINVAL; | |
1683 | goto out; | |
1684 | } | |
1685 | ||
e0c8463a | 1686 | r->fb_id = fb->base.id; |
f453ba04 DA |
1687 | list_add(&fb->filp_head, &file_priv->fbs); |
1688 | ||
1689 | out: | |
1690 | mutex_unlock(&dev->mode_config.mutex); | |
1691 | return ret; | |
1692 | } | |
1693 | ||
1694 | /** | |
1695 | * drm_mode_rmfb - remove an FB from the configuration | |
1696 | * @inode: inode from the ioctl | |
1697 | * @filp: file * from the ioctl | |
1698 | * @cmd: cmd from ioctl | |
1699 | * @arg: arg from ioctl | |
1700 | * | |
1701 | * LOCKING: | |
1702 | * Takes mode config lock. | |
1703 | * | |
1704 | * Remove the FB specified by the user. | |
1705 | * | |
1706 | * Called by the user via ioctl. | |
1707 | * | |
1708 | * RETURNS: | |
1709 | * Zero on success, errno on failure. | |
1710 | */ | |
1711 | int drm_mode_rmfb(struct drm_device *dev, | |
1712 | void *data, struct drm_file *file_priv) | |
1713 | { | |
1714 | struct drm_mode_object *obj; | |
1715 | struct drm_framebuffer *fb = NULL; | |
1716 | struct drm_framebuffer *fbl = NULL; | |
1717 | uint32_t *id = data; | |
1718 | int ret = 0; | |
1719 | int found = 0; | |
1720 | ||
1721 | mutex_lock(&dev->mode_config.mutex); | |
1722 | obj = drm_mode_object_find(dev, *id, DRM_MODE_OBJECT_FB); | |
1723 | /* TODO check that we realy get a framebuffer back. */ | |
1724 | if (!obj) { | |
1725 | DRM_ERROR("mode invalid framebuffer id\n"); | |
1726 | ret = -EINVAL; | |
1727 | goto out; | |
1728 | } | |
1729 | fb = obj_to_fb(obj); | |
1730 | ||
1731 | list_for_each_entry(fbl, &file_priv->fbs, filp_head) | |
1732 | if (fb == fbl) | |
1733 | found = 1; | |
1734 | ||
1735 | if (!found) { | |
1736 | DRM_ERROR("tried to remove a fb that we didn't own\n"); | |
1737 | ret = -EINVAL; | |
1738 | goto out; | |
1739 | } | |
1740 | ||
1741 | /* TODO release all crtc connected to the framebuffer */ | |
1742 | /* TODO unhock the destructor from the buffer object */ | |
1743 | ||
1744 | list_del(&fb->filp_head); | |
1745 | fb->funcs->destroy(fb); | |
1746 | ||
1747 | out: | |
1748 | mutex_unlock(&dev->mode_config.mutex); | |
1749 | return ret; | |
1750 | } | |
1751 | ||
1752 | /** | |
1753 | * drm_mode_getfb - get FB info | |
1754 | * @inode: inode from the ioctl | |
1755 | * @filp: file * from the ioctl | |
1756 | * @cmd: cmd from ioctl | |
1757 | * @arg: arg from ioctl | |
1758 | * | |
1759 | * LOCKING: | |
1760 | * Caller? (FIXME) | |
1761 | * | |
1762 | * Lookup the FB given its ID and return info about it. | |
1763 | * | |
1764 | * Called by the user via ioctl. | |
1765 | * | |
1766 | * RETURNS: | |
1767 | * Zero on success, errno on failure. | |
1768 | */ | |
1769 | int drm_mode_getfb(struct drm_device *dev, | |
1770 | void *data, struct drm_file *file_priv) | |
1771 | { | |
1772 | struct drm_mode_fb_cmd *r = data; | |
1773 | struct drm_mode_object *obj; | |
1774 | struct drm_framebuffer *fb; | |
1775 | int ret = 0; | |
1776 | ||
1777 | mutex_lock(&dev->mode_config.mutex); | |
e0c8463a | 1778 | obj = drm_mode_object_find(dev, r->fb_id, DRM_MODE_OBJECT_FB); |
f453ba04 DA |
1779 | if (!obj) { |
1780 | DRM_ERROR("invalid framebuffer id\n"); | |
1781 | ret = -EINVAL; | |
1782 | goto out; | |
1783 | } | |
1784 | fb = obj_to_fb(obj); | |
1785 | ||
1786 | r->height = fb->height; | |
1787 | r->width = fb->width; | |
1788 | r->depth = fb->depth; | |
1789 | r->bpp = fb->bits_per_pixel; | |
1790 | r->pitch = fb->pitch; | |
1791 | fb->funcs->create_handle(fb, file_priv, &r->handle); | |
1792 | ||
1793 | out: | |
1794 | mutex_unlock(&dev->mode_config.mutex); | |
1795 | return ret; | |
1796 | } | |
1797 | ||
884840aa JB |
1798 | int drm_mode_dirtyfb_ioctl(struct drm_device *dev, |
1799 | void *data, struct drm_file *file_priv) | |
1800 | { | |
1801 | struct drm_clip_rect __user *clips_ptr; | |
1802 | struct drm_clip_rect *clips = NULL; | |
1803 | struct drm_mode_fb_dirty_cmd *r = data; | |
1804 | struct drm_mode_object *obj; | |
1805 | struct drm_framebuffer *fb; | |
1806 | unsigned flags; | |
1807 | int num_clips; | |
1808 | int ret = 0; | |
1809 | ||
1810 | mutex_lock(&dev->mode_config.mutex); | |
1811 | obj = drm_mode_object_find(dev, r->fb_id, DRM_MODE_OBJECT_FB); | |
1812 | if (!obj) { | |
1813 | DRM_ERROR("invalid framebuffer id\n"); | |
1814 | ret = -EINVAL; | |
1815 | goto out_err1; | |
1816 | } | |
1817 | fb = obj_to_fb(obj); | |
1818 | ||
1819 | num_clips = r->num_clips; | |
1820 | clips_ptr = (struct drm_clip_rect *)(unsigned long)r->clips_ptr; | |
1821 | ||
1822 | if (!num_clips != !clips_ptr) { | |
1823 | ret = -EINVAL; | |
1824 | goto out_err1; | |
1825 | } | |
1826 | ||
1827 | flags = DRM_MODE_FB_DIRTY_FLAGS & r->flags; | |
1828 | ||
1829 | /* If userspace annotates copy, clips must come in pairs */ | |
1830 | if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY && (num_clips % 2)) { | |
1831 | ret = -EINVAL; | |
1832 | goto out_err1; | |
1833 | } | |
1834 | ||
1835 | if (num_clips && clips_ptr) { | |
1836 | clips = kzalloc(num_clips * sizeof(*clips), GFP_KERNEL); | |
1837 | if (!clips) { | |
1838 | ret = -ENOMEM; | |
1839 | goto out_err1; | |
1840 | } | |
1841 | ||
1842 | ret = copy_from_user(clips, clips_ptr, | |
1843 | num_clips * sizeof(*clips)); | |
1844 | if (ret) | |
1845 | goto out_err2; | |
1846 | } | |
1847 | ||
1848 | if (fb->funcs->dirty) { | |
1849 | ret = fb->funcs->dirty(fb, flags, r->color, clips, num_clips); | |
1850 | } else { | |
1851 | ret = -ENOSYS; | |
1852 | goto out_err2; | |
1853 | } | |
1854 | ||
1855 | out_err2: | |
1856 | kfree(clips); | |
1857 | out_err1: | |
1858 | mutex_unlock(&dev->mode_config.mutex); | |
1859 | return ret; | |
1860 | } | |
1861 | ||
1862 | ||
f453ba04 DA |
1863 | /** |
1864 | * drm_fb_release - remove and free the FBs on this file | |
1865 | * @filp: file * from the ioctl | |
1866 | * | |
1867 | * LOCKING: | |
1868 | * Takes mode config lock. | |
1869 | * | |
1870 | * Destroy all the FBs associated with @filp. | |
1871 | * | |
1872 | * Called by the user via ioctl. | |
1873 | * | |
1874 | * RETURNS: | |
1875 | * Zero on success, errno on failure. | |
1876 | */ | |
ea39f835 | 1877 | void drm_fb_release(struct drm_file *priv) |
f453ba04 | 1878 | { |
f453ba04 DA |
1879 | struct drm_device *dev = priv->minor->dev; |
1880 | struct drm_framebuffer *fb, *tfb; | |
1881 | ||
1882 | mutex_lock(&dev->mode_config.mutex); | |
1883 | list_for_each_entry_safe(fb, tfb, &priv->fbs, filp_head) { | |
1884 | list_del(&fb->filp_head); | |
1885 | fb->funcs->destroy(fb); | |
1886 | } | |
1887 | mutex_unlock(&dev->mode_config.mutex); | |
1888 | } | |
1889 | ||
1890 | /** | |
1891 | * drm_mode_attachmode - add a mode to the user mode list | |
1892 | * @dev: DRM device | |
1893 | * @connector: connector to add the mode to | |
1894 | * @mode: mode to add | |
1895 | * | |
1896 | * Add @mode to @connector's user mode list. | |
1897 | */ | |
1898 | static int drm_mode_attachmode(struct drm_device *dev, | |
1899 | struct drm_connector *connector, | |
1900 | struct drm_display_mode *mode) | |
1901 | { | |
1902 | int ret = 0; | |
1903 | ||
1904 | list_add_tail(&mode->head, &connector->user_modes); | |
1905 | return ret; | |
1906 | } | |
1907 | ||
1908 | int drm_mode_attachmode_crtc(struct drm_device *dev, struct drm_crtc *crtc, | |
1909 | struct drm_display_mode *mode) | |
1910 | { | |
1911 | struct drm_connector *connector; | |
1912 | int ret = 0; | |
1913 | struct drm_display_mode *dup_mode; | |
1914 | int need_dup = 0; | |
1915 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { | |
1916 | if (!connector->encoder) | |
1917 | break; | |
1918 | if (connector->encoder->crtc == crtc) { | |
1919 | if (need_dup) | |
1920 | dup_mode = drm_mode_duplicate(dev, mode); | |
1921 | else | |
1922 | dup_mode = mode; | |
1923 | ret = drm_mode_attachmode(dev, connector, dup_mode); | |
1924 | if (ret) | |
1925 | return ret; | |
1926 | need_dup = 1; | |
1927 | } | |
1928 | } | |
1929 | return 0; | |
1930 | } | |
1931 | EXPORT_SYMBOL(drm_mode_attachmode_crtc); | |
1932 | ||
1933 | static int drm_mode_detachmode(struct drm_device *dev, | |
1934 | struct drm_connector *connector, | |
1935 | struct drm_display_mode *mode) | |
1936 | { | |
1937 | int found = 0; | |
1938 | int ret = 0; | |
1939 | struct drm_display_mode *match_mode, *t; | |
1940 | ||
1941 | list_for_each_entry_safe(match_mode, t, &connector->user_modes, head) { | |
1942 | if (drm_mode_equal(match_mode, mode)) { | |
1943 | list_del(&match_mode->head); | |
1944 | drm_mode_destroy(dev, match_mode); | |
1945 | found = 1; | |
1946 | break; | |
1947 | } | |
1948 | } | |
1949 | ||
1950 | if (!found) | |
1951 | ret = -EINVAL; | |
1952 | ||
1953 | return ret; | |
1954 | } | |
1955 | ||
1956 | int drm_mode_detachmode_crtc(struct drm_device *dev, struct drm_display_mode *mode) | |
1957 | { | |
1958 | struct drm_connector *connector; | |
1959 | ||
1960 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { | |
1961 | drm_mode_detachmode(dev, connector, mode); | |
1962 | } | |
1963 | return 0; | |
1964 | } | |
1965 | EXPORT_SYMBOL(drm_mode_detachmode_crtc); | |
1966 | ||
1967 | /** | |
1968 | * drm_fb_attachmode - Attach a user mode to an connector | |
1969 | * @inode: inode from the ioctl | |
1970 | * @filp: file * from the ioctl | |
1971 | * @cmd: cmd from ioctl | |
1972 | * @arg: arg from ioctl | |
1973 | * | |
1974 | * This attaches a user specified mode to an connector. | |
1975 | * Called by the user via ioctl. | |
1976 | * | |
1977 | * RETURNS: | |
1978 | * Zero on success, errno on failure. | |
1979 | */ | |
1980 | int drm_mode_attachmode_ioctl(struct drm_device *dev, | |
1981 | void *data, struct drm_file *file_priv) | |
1982 | { | |
1983 | struct drm_mode_mode_cmd *mode_cmd = data; | |
1984 | struct drm_connector *connector; | |
1985 | struct drm_display_mode *mode; | |
1986 | struct drm_mode_object *obj; | |
1987 | struct drm_mode_modeinfo *umode = &mode_cmd->mode; | |
1988 | int ret = 0; | |
1989 | ||
1990 | mutex_lock(&dev->mode_config.mutex); | |
1991 | ||
1992 | obj = drm_mode_object_find(dev, mode_cmd->connector_id, DRM_MODE_OBJECT_CONNECTOR); | |
1993 | if (!obj) { | |
1994 | ret = -EINVAL; | |
1995 | goto out; | |
1996 | } | |
1997 | connector = obj_to_connector(obj); | |
1998 | ||
1999 | mode = drm_mode_create(dev); | |
2000 | if (!mode) { | |
2001 | ret = -ENOMEM; | |
2002 | goto out; | |
2003 | } | |
2004 | ||
2005 | drm_crtc_convert_umode(mode, umode); | |
2006 | ||
2007 | ret = drm_mode_attachmode(dev, connector, mode); | |
2008 | out: | |
2009 | mutex_unlock(&dev->mode_config.mutex); | |
2010 | return ret; | |
2011 | } | |
2012 | ||
2013 | ||
2014 | /** | |
2015 | * drm_fb_detachmode - Detach a user specified mode from an connector | |
2016 | * @inode: inode from the ioctl | |
2017 | * @filp: file * from the ioctl | |
2018 | * @cmd: cmd from ioctl | |
2019 | * @arg: arg from ioctl | |
2020 | * | |
2021 | * Called by the user via ioctl. | |
2022 | * | |
2023 | * RETURNS: | |
2024 | * Zero on success, errno on failure. | |
2025 | */ | |
2026 | int drm_mode_detachmode_ioctl(struct drm_device *dev, | |
2027 | void *data, struct drm_file *file_priv) | |
2028 | { | |
2029 | struct drm_mode_object *obj; | |
2030 | struct drm_mode_mode_cmd *mode_cmd = data; | |
2031 | struct drm_connector *connector; | |
2032 | struct drm_display_mode mode; | |
2033 | struct drm_mode_modeinfo *umode = &mode_cmd->mode; | |
2034 | int ret = 0; | |
2035 | ||
2036 | mutex_lock(&dev->mode_config.mutex); | |
2037 | ||
2038 | obj = drm_mode_object_find(dev, mode_cmd->connector_id, DRM_MODE_OBJECT_CONNECTOR); | |
2039 | if (!obj) { | |
2040 | ret = -EINVAL; | |
2041 | goto out; | |
2042 | } | |
2043 | connector = obj_to_connector(obj); | |
2044 | ||
2045 | drm_crtc_convert_umode(&mode, umode); | |
2046 | ret = drm_mode_detachmode(dev, connector, &mode); | |
2047 | out: | |
2048 | mutex_unlock(&dev->mode_config.mutex); | |
2049 | return ret; | |
2050 | } | |
2051 | ||
2052 | struct drm_property *drm_property_create(struct drm_device *dev, int flags, | |
2053 | const char *name, int num_values) | |
2054 | { | |
2055 | struct drm_property *property = NULL; | |
2056 | ||
2057 | property = kzalloc(sizeof(struct drm_property), GFP_KERNEL); | |
2058 | if (!property) | |
2059 | return NULL; | |
2060 | ||
2061 | if (num_values) { | |
2062 | property->values = kzalloc(sizeof(uint64_t)*num_values, GFP_KERNEL); | |
2063 | if (!property->values) | |
2064 | goto fail; | |
2065 | } | |
2066 | ||
2067 | drm_mode_object_get(dev, &property->base, DRM_MODE_OBJECT_PROPERTY); | |
2068 | property->flags = flags; | |
2069 | property->num_values = num_values; | |
2070 | INIT_LIST_HEAD(&property->enum_blob_list); | |
2071 | ||
2072 | if (name) | |
2073 | strncpy(property->name, name, DRM_PROP_NAME_LEN); | |
2074 | ||
2075 | list_add_tail(&property->head, &dev->mode_config.property_list); | |
2076 | return property; | |
2077 | fail: | |
2078 | kfree(property); | |
2079 | return NULL; | |
2080 | } | |
2081 | EXPORT_SYMBOL(drm_property_create); | |
2082 | ||
2083 | int drm_property_add_enum(struct drm_property *property, int index, | |
2084 | uint64_t value, const char *name) | |
2085 | { | |
2086 | struct drm_property_enum *prop_enum; | |
2087 | ||
2088 | if (!(property->flags & DRM_MODE_PROP_ENUM)) | |
2089 | return -EINVAL; | |
2090 | ||
2091 | if (!list_empty(&property->enum_blob_list)) { | |
2092 | list_for_each_entry(prop_enum, &property->enum_blob_list, head) { | |
2093 | if (prop_enum->value == value) { | |
2094 | strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN); | |
2095 | prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0'; | |
2096 | return 0; | |
2097 | } | |
2098 | } | |
2099 | } | |
2100 | ||
2101 | prop_enum = kzalloc(sizeof(struct drm_property_enum), GFP_KERNEL); | |
2102 | if (!prop_enum) | |
2103 | return -ENOMEM; | |
2104 | ||
2105 | strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN); | |
2106 | prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0'; | |
2107 | prop_enum->value = value; | |
2108 | ||
2109 | property->values[index] = value; | |
2110 | list_add_tail(&prop_enum->head, &property->enum_blob_list); | |
2111 | return 0; | |
2112 | } | |
2113 | EXPORT_SYMBOL(drm_property_add_enum); | |
2114 | ||
2115 | void drm_property_destroy(struct drm_device *dev, struct drm_property *property) | |
2116 | { | |
2117 | struct drm_property_enum *prop_enum, *pt; | |
2118 | ||
2119 | list_for_each_entry_safe(prop_enum, pt, &property->enum_blob_list, head) { | |
2120 | list_del(&prop_enum->head); | |
2121 | kfree(prop_enum); | |
2122 | } | |
2123 | ||
2124 | if (property->num_values) | |
2125 | kfree(property->values); | |
2126 | drm_mode_object_put(dev, &property->base); | |
2127 | list_del(&property->head); | |
2128 | kfree(property); | |
2129 | } | |
2130 | EXPORT_SYMBOL(drm_property_destroy); | |
2131 | ||
2132 | int drm_connector_attach_property(struct drm_connector *connector, | |
2133 | struct drm_property *property, uint64_t init_val) | |
2134 | { | |
2135 | int i; | |
2136 | ||
2137 | for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) { | |
2138 | if (connector->property_ids[i] == 0) { | |
2139 | connector->property_ids[i] = property->base.id; | |
2140 | connector->property_values[i] = init_val; | |
2141 | break; | |
2142 | } | |
2143 | } | |
2144 | ||
2145 | if (i == DRM_CONNECTOR_MAX_PROPERTY) | |
2146 | return -EINVAL; | |
2147 | return 0; | |
2148 | } | |
2149 | EXPORT_SYMBOL(drm_connector_attach_property); | |
2150 | ||
2151 | int drm_connector_property_set_value(struct drm_connector *connector, | |
2152 | struct drm_property *property, uint64_t value) | |
2153 | { | |
2154 | int i; | |
2155 | ||
2156 | for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) { | |
2157 | if (connector->property_ids[i] == property->base.id) { | |
2158 | connector->property_values[i] = value; | |
2159 | break; | |
2160 | } | |
2161 | } | |
2162 | ||
2163 | if (i == DRM_CONNECTOR_MAX_PROPERTY) | |
2164 | return -EINVAL; | |
2165 | return 0; | |
2166 | } | |
2167 | EXPORT_SYMBOL(drm_connector_property_set_value); | |
2168 | ||
2169 | int drm_connector_property_get_value(struct drm_connector *connector, | |
2170 | struct drm_property *property, uint64_t *val) | |
2171 | { | |
2172 | int i; | |
2173 | ||
2174 | for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) { | |
2175 | if (connector->property_ids[i] == property->base.id) { | |
2176 | *val = connector->property_values[i]; | |
2177 | break; | |
2178 | } | |
2179 | } | |
2180 | ||
2181 | if (i == DRM_CONNECTOR_MAX_PROPERTY) | |
2182 | return -EINVAL; | |
2183 | return 0; | |
2184 | } | |
2185 | EXPORT_SYMBOL(drm_connector_property_get_value); | |
2186 | ||
2187 | int drm_mode_getproperty_ioctl(struct drm_device *dev, | |
2188 | void *data, struct drm_file *file_priv) | |
2189 | { | |
2190 | struct drm_mode_object *obj; | |
2191 | struct drm_mode_get_property *out_resp = data; | |
2192 | struct drm_property *property; | |
2193 | int enum_count = 0; | |
2194 | int blob_count = 0; | |
2195 | int value_count = 0; | |
2196 | int ret = 0, i; | |
2197 | int copied; | |
2198 | struct drm_property_enum *prop_enum; | |
2199 | struct drm_mode_property_enum __user *enum_ptr; | |
2200 | struct drm_property_blob *prop_blob; | |
2201 | uint32_t *blob_id_ptr; | |
2202 | uint64_t __user *values_ptr; | |
2203 | uint32_t __user *blob_length_ptr; | |
2204 | ||
2205 | mutex_lock(&dev->mode_config.mutex); | |
2206 | obj = drm_mode_object_find(dev, out_resp->prop_id, DRM_MODE_OBJECT_PROPERTY); | |
2207 | if (!obj) { | |
2208 | ret = -EINVAL; | |
2209 | goto done; | |
2210 | } | |
2211 | property = obj_to_property(obj); | |
2212 | ||
2213 | if (property->flags & DRM_MODE_PROP_ENUM) { | |
2214 | list_for_each_entry(prop_enum, &property->enum_blob_list, head) | |
2215 | enum_count++; | |
2216 | } else if (property->flags & DRM_MODE_PROP_BLOB) { | |
2217 | list_for_each_entry(prop_blob, &property->enum_blob_list, head) | |
2218 | blob_count++; | |
2219 | } | |
2220 | ||
2221 | value_count = property->num_values; | |
2222 | ||
2223 | strncpy(out_resp->name, property->name, DRM_PROP_NAME_LEN); | |
2224 | out_resp->name[DRM_PROP_NAME_LEN-1] = 0; | |
2225 | out_resp->flags = property->flags; | |
2226 | ||
2227 | if ((out_resp->count_values >= value_count) && value_count) { | |
2228 | values_ptr = (uint64_t *)(unsigned long)out_resp->values_ptr; | |
2229 | for (i = 0; i < value_count; i++) { | |
2230 | if (copy_to_user(values_ptr + i, &property->values[i], sizeof(uint64_t))) { | |
2231 | ret = -EFAULT; | |
2232 | goto done; | |
2233 | } | |
2234 | } | |
2235 | } | |
2236 | out_resp->count_values = value_count; | |
2237 | ||
2238 | if (property->flags & DRM_MODE_PROP_ENUM) { | |
2239 | if ((out_resp->count_enum_blobs >= enum_count) && enum_count) { | |
2240 | copied = 0; | |
2241 | enum_ptr = (struct drm_mode_property_enum *)(unsigned long)out_resp->enum_blob_ptr; | |
2242 | list_for_each_entry(prop_enum, &property->enum_blob_list, head) { | |
2243 | ||
2244 | if (copy_to_user(&enum_ptr[copied].value, &prop_enum->value, sizeof(uint64_t))) { | |
2245 | ret = -EFAULT; | |
2246 | goto done; | |
2247 | } | |
2248 | ||
2249 | if (copy_to_user(&enum_ptr[copied].name, | |
2250 | &prop_enum->name, DRM_PROP_NAME_LEN)) { | |
2251 | ret = -EFAULT; | |
2252 | goto done; | |
2253 | } | |
2254 | copied++; | |
2255 | } | |
2256 | } | |
2257 | out_resp->count_enum_blobs = enum_count; | |
2258 | } | |
2259 | ||
2260 | if (property->flags & DRM_MODE_PROP_BLOB) { | |
2261 | if ((out_resp->count_enum_blobs >= blob_count) && blob_count) { | |
2262 | copied = 0; | |
2263 | blob_id_ptr = (uint32_t *)(unsigned long)out_resp->enum_blob_ptr; | |
2264 | blob_length_ptr = (uint32_t *)(unsigned long)out_resp->values_ptr; | |
2265 | ||
2266 | list_for_each_entry(prop_blob, &property->enum_blob_list, head) { | |
2267 | if (put_user(prop_blob->base.id, blob_id_ptr + copied)) { | |
2268 | ret = -EFAULT; | |
2269 | goto done; | |
2270 | } | |
2271 | ||
2272 | if (put_user(prop_blob->length, blob_length_ptr + copied)) { | |
2273 | ret = -EFAULT; | |
2274 | goto done; | |
2275 | } | |
2276 | ||
2277 | copied++; | |
2278 | } | |
2279 | } | |
2280 | out_resp->count_enum_blobs = blob_count; | |
2281 | } | |
2282 | done: | |
2283 | mutex_unlock(&dev->mode_config.mutex); | |
2284 | return ret; | |
2285 | } | |
2286 | ||
2287 | static struct drm_property_blob *drm_property_create_blob(struct drm_device *dev, int length, | |
2288 | void *data) | |
2289 | { | |
2290 | struct drm_property_blob *blob; | |
2291 | ||
2292 | if (!length || !data) | |
2293 | return NULL; | |
2294 | ||
2295 | blob = kzalloc(sizeof(struct drm_property_blob)+length, GFP_KERNEL); | |
2296 | if (!blob) | |
2297 | return NULL; | |
2298 | ||
2299 | blob->data = (void *)((char *)blob + sizeof(struct drm_property_blob)); | |
2300 | blob->length = length; | |
2301 | ||
2302 | memcpy(blob->data, data, length); | |
2303 | ||
2304 | drm_mode_object_get(dev, &blob->base, DRM_MODE_OBJECT_BLOB); | |
2305 | ||
2306 | list_add_tail(&blob->head, &dev->mode_config.property_blob_list); | |
2307 | return blob; | |
2308 | } | |
2309 | ||
2310 | static void drm_property_destroy_blob(struct drm_device *dev, | |
2311 | struct drm_property_blob *blob) | |
2312 | { | |
2313 | drm_mode_object_put(dev, &blob->base); | |
2314 | list_del(&blob->head); | |
2315 | kfree(blob); | |
2316 | } | |
2317 | ||
2318 | int drm_mode_getblob_ioctl(struct drm_device *dev, | |
2319 | void *data, struct drm_file *file_priv) | |
2320 | { | |
2321 | struct drm_mode_object *obj; | |
2322 | struct drm_mode_get_blob *out_resp = data; | |
2323 | struct drm_property_blob *blob; | |
2324 | int ret = 0; | |
2325 | void *blob_ptr; | |
2326 | ||
2327 | mutex_lock(&dev->mode_config.mutex); | |
2328 | obj = drm_mode_object_find(dev, out_resp->blob_id, DRM_MODE_OBJECT_BLOB); | |
2329 | if (!obj) { | |
2330 | ret = -EINVAL; | |
2331 | goto done; | |
2332 | } | |
2333 | blob = obj_to_blob(obj); | |
2334 | ||
2335 | if (out_resp->length == blob->length) { | |
2336 | blob_ptr = (void *)(unsigned long)out_resp->data; | |
2337 | if (copy_to_user(blob_ptr, blob->data, blob->length)){ | |
2338 | ret = -EFAULT; | |
2339 | goto done; | |
2340 | } | |
2341 | } | |
2342 | out_resp->length = blob->length; | |
2343 | ||
2344 | done: | |
2345 | mutex_unlock(&dev->mode_config.mutex); | |
2346 | return ret; | |
2347 | } | |
2348 | ||
2349 | int drm_mode_connector_update_edid_property(struct drm_connector *connector, | |
2350 | struct edid *edid) | |
2351 | { | |
2352 | struct drm_device *dev = connector->dev; | |
7466f4cc | 2353 | int ret = 0, size; |
f453ba04 DA |
2354 | |
2355 | if (connector->edid_blob_ptr) | |
2356 | drm_property_destroy_blob(dev, connector->edid_blob_ptr); | |
2357 | ||
2358 | /* Delete edid, when there is none. */ | |
2359 | if (!edid) { | |
2360 | connector->edid_blob_ptr = NULL; | |
2361 | ret = drm_connector_property_set_value(connector, dev->mode_config.edid_property, 0); | |
2362 | return ret; | |
2363 | } | |
2364 | ||
7466f4cc AJ |
2365 | size = EDID_LENGTH * (1 + edid->extensions); |
2366 | connector->edid_blob_ptr = drm_property_create_blob(connector->dev, | |
2367 | size, edid); | |
f453ba04 DA |
2368 | |
2369 | ret = drm_connector_property_set_value(connector, | |
2370 | dev->mode_config.edid_property, | |
2371 | connector->edid_blob_ptr->base.id); | |
2372 | ||
2373 | return ret; | |
2374 | } | |
2375 | EXPORT_SYMBOL(drm_mode_connector_update_edid_property); | |
2376 | ||
2377 | int drm_mode_connector_property_set_ioctl(struct drm_device *dev, | |
2378 | void *data, struct drm_file *file_priv) | |
2379 | { | |
2380 | struct drm_mode_connector_set_property *out_resp = data; | |
2381 | struct drm_mode_object *obj; | |
2382 | struct drm_property *property; | |
2383 | struct drm_connector *connector; | |
2384 | int ret = -EINVAL; | |
2385 | int i; | |
2386 | ||
2387 | mutex_lock(&dev->mode_config.mutex); | |
2388 | ||
2389 | obj = drm_mode_object_find(dev, out_resp->connector_id, DRM_MODE_OBJECT_CONNECTOR); | |
2390 | if (!obj) { | |
2391 | goto out; | |
2392 | } | |
2393 | connector = obj_to_connector(obj); | |
2394 | ||
2395 | for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) { | |
2396 | if (connector->property_ids[i] == out_resp->prop_id) | |
2397 | break; | |
2398 | } | |
2399 | ||
2400 | if (i == DRM_CONNECTOR_MAX_PROPERTY) { | |
2401 | goto out; | |
2402 | } | |
2403 | ||
2404 | obj = drm_mode_object_find(dev, out_resp->prop_id, DRM_MODE_OBJECT_PROPERTY); | |
2405 | if (!obj) { | |
2406 | goto out; | |
2407 | } | |
2408 | property = obj_to_property(obj); | |
2409 | ||
2410 | if (property->flags & DRM_MODE_PROP_IMMUTABLE) | |
2411 | goto out; | |
2412 | ||
2413 | if (property->flags & DRM_MODE_PROP_RANGE) { | |
2414 | if (out_resp->value < property->values[0]) | |
2415 | goto out; | |
2416 | ||
2417 | if (out_resp->value > property->values[1]) | |
2418 | goto out; | |
2419 | } else { | |
2420 | int found = 0; | |
2421 | for (i = 0; i < property->num_values; i++) { | |
2422 | if (property->values[i] == out_resp->value) { | |
2423 | found = 1; | |
2424 | break; | |
2425 | } | |
2426 | } | |
2427 | if (!found) { | |
2428 | goto out; | |
2429 | } | |
2430 | } | |
2431 | ||
c9fb15f6 KP |
2432 | /* Do DPMS ourselves */ |
2433 | if (property == connector->dev->mode_config.dpms_property) { | |
2434 | if (connector->funcs->dpms) | |
2435 | (*connector->funcs->dpms)(connector, (int) out_resp->value); | |
2436 | ret = 0; | |
2437 | } else if (connector->funcs->set_property) | |
f453ba04 DA |
2438 | ret = connector->funcs->set_property(connector, property, out_resp->value); |
2439 | ||
af901ca1 | 2440 | /* store the property value if successful */ |
f453ba04 DA |
2441 | if (!ret) |
2442 | drm_connector_property_set_value(connector, property, out_resp->value); | |
2443 | out: | |
2444 | mutex_unlock(&dev->mode_config.mutex); | |
2445 | return ret; | |
2446 | } | |
2447 | ||
f453ba04 DA |
2448 | int drm_mode_connector_attach_encoder(struct drm_connector *connector, |
2449 | struct drm_encoder *encoder) | |
2450 | { | |
2451 | int i; | |
2452 | ||
2453 | for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { | |
2454 | if (connector->encoder_ids[i] == 0) { | |
2455 | connector->encoder_ids[i] = encoder->base.id; | |
2456 | return 0; | |
2457 | } | |
2458 | } | |
2459 | return -ENOMEM; | |
2460 | } | |
2461 | EXPORT_SYMBOL(drm_mode_connector_attach_encoder); | |
2462 | ||
2463 | void drm_mode_connector_detach_encoder(struct drm_connector *connector, | |
2464 | struct drm_encoder *encoder) | |
2465 | { | |
2466 | int i; | |
2467 | for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { | |
2468 | if (connector->encoder_ids[i] == encoder->base.id) { | |
2469 | connector->encoder_ids[i] = 0; | |
2470 | if (connector->encoder == encoder) | |
2471 | connector->encoder = NULL; | |
2472 | break; | |
2473 | } | |
2474 | } | |
2475 | } | |
2476 | EXPORT_SYMBOL(drm_mode_connector_detach_encoder); | |
2477 | ||
2478 | bool drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc, | |
2479 | int gamma_size) | |
2480 | { | |
2481 | crtc->gamma_size = gamma_size; | |
2482 | ||
2483 | crtc->gamma_store = kzalloc(gamma_size * sizeof(uint16_t) * 3, GFP_KERNEL); | |
2484 | if (!crtc->gamma_store) { | |
2485 | crtc->gamma_size = 0; | |
2486 | return false; | |
2487 | } | |
2488 | ||
2489 | return true; | |
2490 | } | |
2491 | EXPORT_SYMBOL(drm_mode_crtc_set_gamma_size); | |
2492 | ||
2493 | int drm_mode_gamma_set_ioctl(struct drm_device *dev, | |
2494 | void *data, struct drm_file *file_priv) | |
2495 | { | |
2496 | struct drm_mode_crtc_lut *crtc_lut = data; | |
2497 | struct drm_mode_object *obj; | |
2498 | struct drm_crtc *crtc; | |
2499 | void *r_base, *g_base, *b_base; | |
2500 | int size; | |
2501 | int ret = 0; | |
2502 | ||
2503 | mutex_lock(&dev->mode_config.mutex); | |
2504 | obj = drm_mode_object_find(dev, crtc_lut->crtc_id, DRM_MODE_OBJECT_CRTC); | |
2505 | if (!obj) { | |
2506 | ret = -EINVAL; | |
2507 | goto out; | |
2508 | } | |
2509 | crtc = obj_to_crtc(obj); | |
2510 | ||
2511 | /* memcpy into gamma store */ | |
2512 | if (crtc_lut->gamma_size != crtc->gamma_size) { | |
2513 | ret = -EINVAL; | |
2514 | goto out; | |
2515 | } | |
2516 | ||
2517 | size = crtc_lut->gamma_size * (sizeof(uint16_t)); | |
2518 | r_base = crtc->gamma_store; | |
2519 | if (copy_from_user(r_base, (void __user *)(unsigned long)crtc_lut->red, size)) { | |
2520 | ret = -EFAULT; | |
2521 | goto out; | |
2522 | } | |
2523 | ||
2524 | g_base = r_base + size; | |
2525 | if (copy_from_user(g_base, (void __user *)(unsigned long)crtc_lut->green, size)) { | |
2526 | ret = -EFAULT; | |
2527 | goto out; | |
2528 | } | |
2529 | ||
2530 | b_base = g_base + size; | |
2531 | if (copy_from_user(b_base, (void __user *)(unsigned long)crtc_lut->blue, size)) { | |
2532 | ret = -EFAULT; | |
2533 | goto out; | |
2534 | } | |
2535 | ||
2536 | crtc->funcs->gamma_set(crtc, r_base, g_base, b_base, crtc->gamma_size); | |
2537 | ||
2538 | out: | |
2539 | mutex_unlock(&dev->mode_config.mutex); | |
2540 | return ret; | |
2541 | ||
2542 | } | |
2543 | ||
2544 | int drm_mode_gamma_get_ioctl(struct drm_device *dev, | |
2545 | void *data, struct drm_file *file_priv) | |
2546 | { | |
2547 | struct drm_mode_crtc_lut *crtc_lut = data; | |
2548 | struct drm_mode_object *obj; | |
2549 | struct drm_crtc *crtc; | |
2550 | void *r_base, *g_base, *b_base; | |
2551 | int size; | |
2552 | int ret = 0; | |
2553 | ||
2554 | mutex_lock(&dev->mode_config.mutex); | |
2555 | obj = drm_mode_object_find(dev, crtc_lut->crtc_id, DRM_MODE_OBJECT_CRTC); | |
2556 | if (!obj) { | |
2557 | ret = -EINVAL; | |
2558 | goto out; | |
2559 | } | |
2560 | crtc = obj_to_crtc(obj); | |
2561 | ||
2562 | /* memcpy into gamma store */ | |
2563 | if (crtc_lut->gamma_size != crtc->gamma_size) { | |
2564 | ret = -EINVAL; | |
2565 | goto out; | |
2566 | } | |
2567 | ||
2568 | size = crtc_lut->gamma_size * (sizeof(uint16_t)); | |
2569 | r_base = crtc->gamma_store; | |
2570 | if (copy_to_user((void __user *)(unsigned long)crtc_lut->red, r_base, size)) { | |
2571 | ret = -EFAULT; | |
2572 | goto out; | |
2573 | } | |
2574 | ||
2575 | g_base = r_base + size; | |
2576 | if (copy_to_user((void __user *)(unsigned long)crtc_lut->green, g_base, size)) { | |
2577 | ret = -EFAULT; | |
2578 | goto out; | |
2579 | } | |
2580 | ||
2581 | b_base = g_base + size; | |
2582 | if (copy_to_user((void __user *)(unsigned long)crtc_lut->blue, b_base, size)) { | |
2583 | ret = -EFAULT; | |
2584 | goto out; | |
2585 | } | |
2586 | out: | |
2587 | mutex_unlock(&dev->mode_config.mutex); | |
2588 | return ret; | |
2589 | } | |
d91d8a3f KH |
2590 | |
2591 | int drm_mode_page_flip_ioctl(struct drm_device *dev, | |
2592 | void *data, struct drm_file *file_priv) | |
2593 | { | |
2594 | struct drm_mode_crtc_page_flip *page_flip = data; | |
2595 | struct drm_mode_object *obj; | |
2596 | struct drm_crtc *crtc; | |
2597 | struct drm_framebuffer *fb; | |
2598 | struct drm_pending_vblank_event *e = NULL; | |
2599 | unsigned long flags; | |
2600 | int ret = -EINVAL; | |
2601 | ||
2602 | if (page_flip->flags & ~DRM_MODE_PAGE_FLIP_FLAGS || | |
2603 | page_flip->reserved != 0) | |
2604 | return -EINVAL; | |
2605 | ||
2606 | mutex_lock(&dev->mode_config.mutex); | |
2607 | obj = drm_mode_object_find(dev, page_flip->crtc_id, DRM_MODE_OBJECT_CRTC); | |
2608 | if (!obj) | |
2609 | goto out; | |
2610 | crtc = obj_to_crtc(obj); | |
2611 | ||
2612 | if (crtc->funcs->page_flip == NULL) | |
2613 | goto out; | |
2614 | ||
2615 | obj = drm_mode_object_find(dev, page_flip->fb_id, DRM_MODE_OBJECT_FB); | |
2616 | if (!obj) | |
2617 | goto out; | |
2618 | fb = obj_to_fb(obj); | |
2619 | ||
2620 | if (page_flip->flags & DRM_MODE_PAGE_FLIP_EVENT) { | |
2621 | ret = -ENOMEM; | |
2622 | spin_lock_irqsave(&dev->event_lock, flags); | |
2623 | if (file_priv->event_space < sizeof e->event) { | |
2624 | spin_unlock_irqrestore(&dev->event_lock, flags); | |
2625 | goto out; | |
2626 | } | |
2627 | file_priv->event_space -= sizeof e->event; | |
2628 | spin_unlock_irqrestore(&dev->event_lock, flags); | |
2629 | ||
2630 | e = kzalloc(sizeof *e, GFP_KERNEL); | |
2631 | if (e == NULL) { | |
2632 | spin_lock_irqsave(&dev->event_lock, flags); | |
2633 | file_priv->event_space += sizeof e->event; | |
2634 | spin_unlock_irqrestore(&dev->event_lock, flags); | |
2635 | goto out; | |
2636 | } | |
2637 | ||
7bd4d7be | 2638 | e->event.base.type = DRM_EVENT_FLIP_COMPLETE; |
d91d8a3f KH |
2639 | e->event.base.length = sizeof e->event; |
2640 | e->event.user_data = page_flip->user_data; | |
2641 | e->base.event = &e->event.base; | |
2642 | e->base.file_priv = file_priv; | |
2643 | e->base.destroy = | |
2644 | (void (*) (struct drm_pending_event *)) kfree; | |
2645 | } | |
2646 | ||
2647 | ret = crtc->funcs->page_flip(crtc, fb, e); | |
2648 | if (ret) { | |
2649 | spin_lock_irqsave(&dev->event_lock, flags); | |
2650 | file_priv->event_space += sizeof e->event; | |
2651 | spin_unlock_irqrestore(&dev->event_lock, flags); | |
2652 | kfree(e); | |
2653 | } | |
2654 | ||
2655 | out: | |
2656 | mutex_unlock(&dev->mode_config.mutex); | |
2657 | return ret; | |
2658 | } |