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f453ba04 DA |
1 | /* |
2 | * Copyright (c) 2006-2008 Intel Corporation | |
3 | * Copyright (c) 2007 Dave Airlie <airlied@linux.ie> | |
4 | * Copyright (c) 2008 Red Hat Inc. | |
5 | * | |
6 | * DRM core CRTC related functions | |
7 | * | |
8 | * Permission to use, copy, modify, distribute, and sell this software and its | |
9 | * documentation for any purpose is hereby granted without fee, provided that | |
10 | * the above copyright notice appear in all copies and that both that copyright | |
11 | * notice and this permission notice appear in supporting documentation, and | |
12 | * that the name of the copyright holders not be used in advertising or | |
13 | * publicity pertaining to distribution of the software without specific, | |
14 | * written prior permission. The copyright holders make no representations | |
15 | * about the suitability of this software for any purpose. It is provided "as | |
16 | * is" without express or implied warranty. | |
17 | * | |
18 | * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, | |
19 | * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO | |
20 | * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR | |
21 | * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, | |
22 | * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER | |
23 | * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE | |
24 | * OF THIS SOFTWARE. | |
25 | * | |
26 | * Authors: | |
27 | * Keith Packard | |
28 | * Eric Anholt <eric@anholt.net> | |
29 | * Dave Airlie <airlied@linux.ie> | |
30 | * Jesse Barnes <jesse.barnes@intel.com> | |
31 | */ | |
32 | #include <linux/list.h> | |
5a0e3ad6 | 33 | #include <linux/slab.h> |
2d1a8a48 | 34 | #include <linux/export.h> |
f453ba04 DA |
35 | #include "drm.h" |
36 | #include "drmP.h" | |
37 | #include "drm_crtc.h" | |
7466f4cc | 38 | #include "drm_edid.h" |
308e5bcb | 39 | #include "drm_fourcc.h" |
f453ba04 | 40 | |
f453ba04 DA |
41 | /* Avoid boilerplate. I'm tired of typing. */ |
42 | #define DRM_ENUM_NAME_FN(fnname, list) \ | |
43 | char *fnname(int val) \ | |
44 | { \ | |
45 | int i; \ | |
46 | for (i = 0; i < ARRAY_SIZE(list); i++) { \ | |
47 | if (list[i].type == val) \ | |
48 | return list[i].name; \ | |
49 | } \ | |
50 | return "(unknown)"; \ | |
51 | } | |
52 | ||
53 | /* | |
54 | * Global properties | |
55 | */ | |
56 | static struct drm_prop_enum_list drm_dpms_enum_list[] = | |
57 | { { DRM_MODE_DPMS_ON, "On" }, | |
58 | { DRM_MODE_DPMS_STANDBY, "Standby" }, | |
59 | { DRM_MODE_DPMS_SUSPEND, "Suspend" }, | |
60 | { DRM_MODE_DPMS_OFF, "Off" } | |
61 | }; | |
62 | ||
63 | DRM_ENUM_NAME_FN(drm_get_dpms_name, drm_dpms_enum_list) | |
64 | ||
65 | /* | |
66 | * Optional properties | |
67 | */ | |
68 | static struct drm_prop_enum_list drm_scaling_mode_enum_list[] = | |
69 | { | |
53bd8389 JB |
70 | { DRM_MODE_SCALE_NONE, "None" }, |
71 | { DRM_MODE_SCALE_FULLSCREEN, "Full" }, | |
72 | { DRM_MODE_SCALE_CENTER, "Center" }, | |
73 | { DRM_MODE_SCALE_ASPECT, "Full aspect" }, | |
f453ba04 DA |
74 | }; |
75 | ||
76 | static struct drm_prop_enum_list drm_dithering_mode_enum_list[] = | |
77 | { | |
78 | { DRM_MODE_DITHERING_OFF, "Off" }, | |
79 | { DRM_MODE_DITHERING_ON, "On" }, | |
92897b5c | 80 | { DRM_MODE_DITHERING_AUTO, "Automatic" }, |
f453ba04 DA |
81 | }; |
82 | ||
83 | /* | |
84 | * Non-global properties, but "required" for certain connectors. | |
85 | */ | |
86 | static struct drm_prop_enum_list drm_dvi_i_select_enum_list[] = | |
87 | { | |
88 | { DRM_MODE_SUBCONNECTOR_Automatic, "Automatic" }, /* DVI-I and TV-out */ | |
89 | { DRM_MODE_SUBCONNECTOR_DVID, "DVI-D" }, /* DVI-I */ | |
90 | { DRM_MODE_SUBCONNECTOR_DVIA, "DVI-A" }, /* DVI-I */ | |
91 | }; | |
92 | ||
93 | DRM_ENUM_NAME_FN(drm_get_dvi_i_select_name, drm_dvi_i_select_enum_list) | |
94 | ||
95 | static struct drm_prop_enum_list drm_dvi_i_subconnector_enum_list[] = | |
96 | { | |
97 | { DRM_MODE_SUBCONNECTOR_Unknown, "Unknown" }, /* DVI-I and TV-out */ | |
98 | { DRM_MODE_SUBCONNECTOR_DVID, "DVI-D" }, /* DVI-I */ | |
99 | { DRM_MODE_SUBCONNECTOR_DVIA, "DVI-A" }, /* DVI-I */ | |
100 | }; | |
101 | ||
102 | DRM_ENUM_NAME_FN(drm_get_dvi_i_subconnector_name, | |
103 | drm_dvi_i_subconnector_enum_list) | |
104 | ||
105 | static struct drm_prop_enum_list drm_tv_select_enum_list[] = | |
106 | { | |
107 | { DRM_MODE_SUBCONNECTOR_Automatic, "Automatic" }, /* DVI-I and TV-out */ | |
108 | { DRM_MODE_SUBCONNECTOR_Composite, "Composite" }, /* TV-out */ | |
109 | { DRM_MODE_SUBCONNECTOR_SVIDEO, "SVIDEO" }, /* TV-out */ | |
110 | { DRM_MODE_SUBCONNECTOR_Component, "Component" }, /* TV-out */ | |
aeaa1ad3 | 111 | { DRM_MODE_SUBCONNECTOR_SCART, "SCART" }, /* TV-out */ |
f453ba04 DA |
112 | }; |
113 | ||
114 | DRM_ENUM_NAME_FN(drm_get_tv_select_name, drm_tv_select_enum_list) | |
115 | ||
116 | static struct drm_prop_enum_list drm_tv_subconnector_enum_list[] = | |
117 | { | |
118 | { DRM_MODE_SUBCONNECTOR_Unknown, "Unknown" }, /* DVI-I and TV-out */ | |
119 | { DRM_MODE_SUBCONNECTOR_Composite, "Composite" }, /* TV-out */ | |
120 | { DRM_MODE_SUBCONNECTOR_SVIDEO, "SVIDEO" }, /* TV-out */ | |
121 | { DRM_MODE_SUBCONNECTOR_Component, "Component" }, /* TV-out */ | |
aeaa1ad3 | 122 | { DRM_MODE_SUBCONNECTOR_SCART, "SCART" }, /* TV-out */ |
f453ba04 DA |
123 | }; |
124 | ||
125 | DRM_ENUM_NAME_FN(drm_get_tv_subconnector_name, | |
126 | drm_tv_subconnector_enum_list) | |
127 | ||
884840aa JB |
128 | static struct drm_prop_enum_list drm_dirty_info_enum_list[] = { |
129 | { DRM_MODE_DIRTY_OFF, "Off" }, | |
130 | { DRM_MODE_DIRTY_ON, "On" }, | |
131 | { DRM_MODE_DIRTY_ANNOTATE, "Annotate" }, | |
132 | }; | |
133 | ||
134 | DRM_ENUM_NAME_FN(drm_get_dirty_info_name, | |
135 | drm_dirty_info_enum_list) | |
136 | ||
f453ba04 DA |
137 | struct drm_conn_prop_enum_list { |
138 | int type; | |
139 | char *name; | |
140 | int count; | |
141 | }; | |
142 | ||
143 | /* | |
144 | * Connector and encoder types. | |
145 | */ | |
146 | static struct drm_conn_prop_enum_list drm_connector_enum_list[] = | |
147 | { { DRM_MODE_CONNECTOR_Unknown, "Unknown", 0 }, | |
148 | { DRM_MODE_CONNECTOR_VGA, "VGA", 0 }, | |
149 | { DRM_MODE_CONNECTOR_DVII, "DVI-I", 0 }, | |
150 | { DRM_MODE_CONNECTOR_DVID, "DVI-D", 0 }, | |
151 | { DRM_MODE_CONNECTOR_DVIA, "DVI-A", 0 }, | |
152 | { DRM_MODE_CONNECTOR_Composite, "Composite", 0 }, | |
153 | { DRM_MODE_CONNECTOR_SVIDEO, "SVIDEO", 0 }, | |
154 | { DRM_MODE_CONNECTOR_LVDS, "LVDS", 0 }, | |
155 | { DRM_MODE_CONNECTOR_Component, "Component", 0 }, | |
e76116ca AD |
156 | { DRM_MODE_CONNECTOR_9PinDIN, "DIN", 0 }, |
157 | { DRM_MODE_CONNECTOR_DisplayPort, "DP", 0 }, | |
158 | { DRM_MODE_CONNECTOR_HDMIA, "HDMI-A", 0 }, | |
159 | { DRM_MODE_CONNECTOR_HDMIB, "HDMI-B", 0 }, | |
74bd3c26 | 160 | { DRM_MODE_CONNECTOR_TV, "TV", 0 }, |
e76116ca | 161 | { DRM_MODE_CONNECTOR_eDP, "eDP", 0 }, |
a7331e5c | 162 | { DRM_MODE_CONNECTOR_VIRTUAL, "Virtual", 0}, |
f453ba04 DA |
163 | }; |
164 | ||
165 | static struct drm_prop_enum_list drm_encoder_enum_list[] = | |
166 | { { DRM_MODE_ENCODER_NONE, "None" }, | |
167 | { DRM_MODE_ENCODER_DAC, "DAC" }, | |
168 | { DRM_MODE_ENCODER_TMDS, "TMDS" }, | |
169 | { DRM_MODE_ENCODER_LVDS, "LVDS" }, | |
170 | { DRM_MODE_ENCODER_TVDAC, "TV" }, | |
a7331e5c | 171 | { DRM_MODE_ENCODER_VIRTUAL, "Virtual" }, |
f453ba04 DA |
172 | }; |
173 | ||
174 | char *drm_get_encoder_name(struct drm_encoder *encoder) | |
175 | { | |
176 | static char buf[32]; | |
177 | ||
178 | snprintf(buf, 32, "%s-%d", | |
179 | drm_encoder_enum_list[encoder->encoder_type].name, | |
180 | encoder->base.id); | |
181 | return buf; | |
182 | } | |
13a8195b | 183 | EXPORT_SYMBOL(drm_get_encoder_name); |
f453ba04 DA |
184 | |
185 | char *drm_get_connector_name(struct drm_connector *connector) | |
186 | { | |
187 | static char buf[32]; | |
188 | ||
189 | snprintf(buf, 32, "%s-%d", | |
190 | drm_connector_enum_list[connector->connector_type].name, | |
191 | connector->connector_type_id); | |
192 | return buf; | |
193 | } | |
194 | EXPORT_SYMBOL(drm_get_connector_name); | |
195 | ||
196 | char *drm_get_connector_status_name(enum drm_connector_status status) | |
197 | { | |
198 | if (status == connector_status_connected) | |
199 | return "connected"; | |
200 | else if (status == connector_status_disconnected) | |
201 | return "disconnected"; | |
202 | else | |
203 | return "unknown"; | |
204 | } | |
205 | ||
206 | /** | |
207 | * drm_mode_object_get - allocate a new identifier | |
208 | * @dev: DRM device | |
209 | * @ptr: object pointer, used to generate unique ID | |
210 | * @type: object type | |
211 | * | |
212 | * LOCKING: | |
f453ba04 DA |
213 | * |
214 | * Create a unique identifier based on @ptr in @dev's identifier space. Used | |
215 | * for tracking modes, CRTCs and connectors. | |
216 | * | |
217 | * RETURNS: | |
218 | * New unique (relative to other objects in @dev) integer identifier for the | |
219 | * object. | |
220 | */ | |
221 | static int drm_mode_object_get(struct drm_device *dev, | |
222 | struct drm_mode_object *obj, uint32_t obj_type) | |
223 | { | |
224 | int new_id = 0; | |
225 | int ret; | |
226 | ||
f453ba04 DA |
227 | again: |
228 | if (idr_pre_get(&dev->mode_config.crtc_idr, GFP_KERNEL) == 0) { | |
229 | DRM_ERROR("Ran out memory getting a mode number\n"); | |
230 | return -EINVAL; | |
231 | } | |
232 | ||
ad2563c2 | 233 | mutex_lock(&dev->mode_config.idr_mutex); |
f453ba04 | 234 | ret = idr_get_new_above(&dev->mode_config.crtc_idr, obj, 1, &new_id); |
ad2563c2 | 235 | mutex_unlock(&dev->mode_config.idr_mutex); |
f453ba04 DA |
236 | if (ret == -EAGAIN) |
237 | goto again; | |
238 | ||
239 | obj->id = new_id; | |
240 | obj->type = obj_type; | |
241 | return 0; | |
242 | } | |
243 | ||
244 | /** | |
245 | * drm_mode_object_put - free an identifer | |
246 | * @dev: DRM device | |
247 | * @id: ID to free | |
248 | * | |
249 | * LOCKING: | |
250 | * Caller must hold DRM mode_config lock. | |
251 | * | |
252 | * Free @id from @dev's unique identifier pool. | |
253 | */ | |
254 | static void drm_mode_object_put(struct drm_device *dev, | |
255 | struct drm_mode_object *object) | |
256 | { | |
ad2563c2 | 257 | mutex_lock(&dev->mode_config.idr_mutex); |
f453ba04 | 258 | idr_remove(&dev->mode_config.crtc_idr, object->id); |
ad2563c2 | 259 | mutex_unlock(&dev->mode_config.idr_mutex); |
f453ba04 DA |
260 | } |
261 | ||
7a9c9060 DV |
262 | struct drm_mode_object *drm_mode_object_find(struct drm_device *dev, |
263 | uint32_t id, uint32_t type) | |
f453ba04 | 264 | { |
ad2563c2 | 265 | struct drm_mode_object *obj = NULL; |
f453ba04 | 266 | |
ad2563c2 | 267 | mutex_lock(&dev->mode_config.idr_mutex); |
f453ba04 DA |
268 | obj = idr_find(&dev->mode_config.crtc_idr, id); |
269 | if (!obj || (obj->type != type) || (obj->id != id)) | |
ad2563c2 JB |
270 | obj = NULL; |
271 | mutex_unlock(&dev->mode_config.idr_mutex); | |
f453ba04 DA |
272 | |
273 | return obj; | |
274 | } | |
275 | EXPORT_SYMBOL(drm_mode_object_find); | |
276 | ||
f453ba04 DA |
277 | /** |
278 | * drm_framebuffer_init - initialize a framebuffer | |
279 | * @dev: DRM device | |
280 | * | |
281 | * LOCKING: | |
282 | * Caller must hold mode config lock. | |
283 | * | |
284 | * Allocates an ID for the framebuffer's parent mode object, sets its mode | |
285 | * functions & device file and adds it to the master fd list. | |
286 | * | |
287 | * RETURNS: | |
af901ca1 | 288 | * Zero on success, error code on failure. |
f453ba04 DA |
289 | */ |
290 | int drm_framebuffer_init(struct drm_device *dev, struct drm_framebuffer *fb, | |
291 | const struct drm_framebuffer_funcs *funcs) | |
292 | { | |
293 | int ret; | |
294 | ||
295 | ret = drm_mode_object_get(dev, &fb->base, DRM_MODE_OBJECT_FB); | |
6bfc56aa | 296 | if (ret) |
f453ba04 | 297 | return ret; |
f453ba04 DA |
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; | |
8cf5c917 | 322 | struct drm_plane *plane; |
5ef5f72f DA |
323 | struct drm_mode_set set; |
324 | int ret; | |
f453ba04 DA |
325 | |
326 | /* remove from any CRTC */ | |
327 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { | |
5ef5f72f DA |
328 | if (crtc->fb == fb) { |
329 | /* should turn off the crtc */ | |
330 | memset(&set, 0, sizeof(struct drm_mode_set)); | |
331 | set.crtc = crtc; | |
332 | set.fb = NULL; | |
333 | ret = crtc->funcs->set_config(&set); | |
334 | if (ret) | |
335 | DRM_ERROR("failed to reset crtc %p when fb was deleted\n", crtc); | |
336 | } | |
f453ba04 DA |
337 | } |
338 | ||
8cf5c917 JB |
339 | list_for_each_entry(plane, &dev->mode_config.plane_list, head) { |
340 | if (plane->fb == fb) { | |
341 | /* should turn off the crtc */ | |
342 | ret = plane->funcs->disable_plane(plane); | |
343 | if (ret) | |
344 | DRM_ERROR("failed to disable plane with busy fb\n"); | |
a9971157 RC |
345 | /* disconnect the plane from the fb and crtc: */ |
346 | plane->fb = NULL; | |
347 | plane->crtc = NULL; | |
8cf5c917 JB |
348 | } |
349 | } | |
350 | ||
f453ba04 DA |
351 | drm_mode_object_put(dev, &fb->base); |
352 | list_del(&fb->head); | |
353 | dev->mode_config.num_fb--; | |
354 | } | |
355 | EXPORT_SYMBOL(drm_framebuffer_cleanup); | |
356 | ||
357 | /** | |
358 | * drm_crtc_init - Initialise a new CRTC object | |
359 | * @dev: DRM device | |
360 | * @crtc: CRTC object to init | |
361 | * @funcs: callbacks for the new CRTC | |
362 | * | |
363 | * LOCKING: | |
364 | * Caller must hold mode config lock. | |
365 | * | |
366 | * Inits a new object created as base part of an driver crtc object. | |
6bfc56aa VS |
367 | * |
368 | * RETURNS: | |
369 | * Zero on success, error code on failure. | |
f453ba04 | 370 | */ |
6bfc56aa | 371 | int drm_crtc_init(struct drm_device *dev, struct drm_crtc *crtc, |
f453ba04 DA |
372 | const struct drm_crtc_funcs *funcs) |
373 | { | |
6bfc56aa VS |
374 | int ret; |
375 | ||
f453ba04 DA |
376 | crtc->dev = dev; |
377 | crtc->funcs = funcs; | |
378 | ||
379 | mutex_lock(&dev->mode_config.mutex); | |
6bfc56aa VS |
380 | |
381 | ret = drm_mode_object_get(dev, &crtc->base, DRM_MODE_OBJECT_CRTC); | |
382 | if (ret) | |
383 | goto out; | |
f453ba04 DA |
384 | |
385 | list_add_tail(&crtc->head, &dev->mode_config.crtc_list); | |
386 | dev->mode_config.num_crtc++; | |
6bfc56aa VS |
387 | |
388 | out: | |
f453ba04 | 389 | mutex_unlock(&dev->mode_config.mutex); |
6bfc56aa VS |
390 | |
391 | return ret; | |
f453ba04 DA |
392 | } |
393 | EXPORT_SYMBOL(drm_crtc_init); | |
394 | ||
395 | /** | |
396 | * drm_crtc_cleanup - Cleans up the core crtc usage. | |
397 | * @crtc: CRTC to cleanup | |
398 | * | |
399 | * LOCKING: | |
400 | * Caller must hold mode config lock. | |
401 | * | |
402 | * Cleanup @crtc. Removes from drm modesetting space | |
403 | * does NOT free object, caller does that. | |
404 | */ | |
405 | void drm_crtc_cleanup(struct drm_crtc *crtc) | |
406 | { | |
407 | struct drm_device *dev = crtc->dev; | |
408 | ||
409 | if (crtc->gamma_store) { | |
410 | kfree(crtc->gamma_store); | |
411 | crtc->gamma_store = NULL; | |
412 | } | |
413 | ||
414 | drm_mode_object_put(dev, &crtc->base); | |
415 | list_del(&crtc->head); | |
416 | dev->mode_config.num_crtc--; | |
417 | } | |
418 | EXPORT_SYMBOL(drm_crtc_cleanup); | |
419 | ||
420 | /** | |
421 | * drm_mode_probed_add - add a mode to a connector's probed mode list | |
422 | * @connector: connector the new mode | |
423 | * @mode: mode data | |
424 | * | |
425 | * LOCKING: | |
426 | * Caller must hold mode config lock. | |
427 | * | |
428 | * Add @mode to @connector's mode list for later use. | |
429 | */ | |
430 | void drm_mode_probed_add(struct drm_connector *connector, | |
431 | struct drm_display_mode *mode) | |
432 | { | |
433 | list_add(&mode->head, &connector->probed_modes); | |
434 | } | |
435 | EXPORT_SYMBOL(drm_mode_probed_add); | |
436 | ||
437 | /** | |
438 | * drm_mode_remove - remove and free a mode | |
439 | * @connector: connector list to modify | |
440 | * @mode: mode to remove | |
441 | * | |
442 | * LOCKING: | |
443 | * Caller must hold mode config lock. | |
444 | * | |
445 | * Remove @mode from @connector's mode list, then free it. | |
446 | */ | |
447 | void drm_mode_remove(struct drm_connector *connector, | |
448 | struct drm_display_mode *mode) | |
449 | { | |
450 | list_del(&mode->head); | |
554f1d78 | 451 | drm_mode_destroy(connector->dev, mode); |
f453ba04 DA |
452 | } |
453 | EXPORT_SYMBOL(drm_mode_remove); | |
454 | ||
455 | /** | |
456 | * drm_connector_init - Init a preallocated connector | |
457 | * @dev: DRM device | |
458 | * @connector: the connector to init | |
459 | * @funcs: callbacks for this connector | |
460 | * @name: user visible name of the connector | |
461 | * | |
462 | * LOCKING: | |
b20f3867 | 463 | * Takes mode config lock. |
f453ba04 DA |
464 | * |
465 | * Initialises a preallocated connector. Connectors should be | |
466 | * subclassed as part of driver connector objects. | |
6bfc56aa VS |
467 | * |
468 | * RETURNS: | |
469 | * Zero on success, error code on failure. | |
f453ba04 | 470 | */ |
6bfc56aa VS |
471 | int drm_connector_init(struct drm_device *dev, |
472 | struct drm_connector *connector, | |
473 | const struct drm_connector_funcs *funcs, | |
474 | int connector_type) | |
f453ba04 | 475 | { |
6bfc56aa VS |
476 | int ret; |
477 | ||
f453ba04 DA |
478 | mutex_lock(&dev->mode_config.mutex); |
479 | ||
6bfc56aa VS |
480 | ret = drm_mode_object_get(dev, &connector->base, DRM_MODE_OBJECT_CONNECTOR); |
481 | if (ret) | |
482 | goto out; | |
483 | ||
f453ba04 DA |
484 | connector->dev = dev; |
485 | connector->funcs = funcs; | |
f453ba04 DA |
486 | connector->connector_type = connector_type; |
487 | connector->connector_type_id = | |
488 | ++drm_connector_enum_list[connector_type].count; /* TODO */ | |
489 | INIT_LIST_HEAD(&connector->user_modes); | |
490 | INIT_LIST_HEAD(&connector->probed_modes); | |
491 | INIT_LIST_HEAD(&connector->modes); | |
492 | connector->edid_blob_ptr = NULL; | |
493 | ||
494 | list_add_tail(&connector->head, &dev->mode_config.connector_list); | |
495 | dev->mode_config.num_connector++; | |
496 | ||
a7331e5c TH |
497 | if (connector_type != DRM_MODE_CONNECTOR_VIRTUAL) |
498 | drm_connector_attach_property(connector, | |
499 | dev->mode_config.edid_property, | |
500 | 0); | |
f453ba04 DA |
501 | |
502 | drm_connector_attach_property(connector, | |
503 | dev->mode_config.dpms_property, 0); | |
504 | ||
6bfc56aa | 505 | out: |
f453ba04 | 506 | mutex_unlock(&dev->mode_config.mutex); |
6bfc56aa VS |
507 | |
508 | return ret; | |
f453ba04 DA |
509 | } |
510 | EXPORT_SYMBOL(drm_connector_init); | |
511 | ||
512 | /** | |
513 | * drm_connector_cleanup - cleans up an initialised connector | |
514 | * @connector: connector to cleanup | |
515 | * | |
516 | * LOCKING: | |
b20f3867 | 517 | * Takes mode config lock. |
f453ba04 DA |
518 | * |
519 | * Cleans up the connector but doesn't free the object. | |
520 | */ | |
521 | void drm_connector_cleanup(struct drm_connector *connector) | |
522 | { | |
523 | struct drm_device *dev = connector->dev; | |
524 | struct drm_display_mode *mode, *t; | |
525 | ||
526 | list_for_each_entry_safe(mode, t, &connector->probed_modes, head) | |
527 | drm_mode_remove(connector, mode); | |
528 | ||
529 | list_for_each_entry_safe(mode, t, &connector->modes, head) | |
530 | drm_mode_remove(connector, mode); | |
531 | ||
532 | list_for_each_entry_safe(mode, t, &connector->user_modes, head) | |
533 | drm_mode_remove(connector, mode); | |
534 | ||
535 | mutex_lock(&dev->mode_config.mutex); | |
536 | drm_mode_object_put(dev, &connector->base); | |
537 | list_del(&connector->head); | |
6380c509 | 538 | dev->mode_config.num_connector--; |
f453ba04 DA |
539 | mutex_unlock(&dev->mode_config.mutex); |
540 | } | |
541 | EXPORT_SYMBOL(drm_connector_cleanup); | |
542 | ||
cbc7e221 DA |
543 | void drm_connector_unplug_all(struct drm_device *dev) |
544 | { | |
545 | struct drm_connector *connector; | |
546 | ||
547 | /* taking the mode config mutex ends up in a clash with sysfs */ | |
548 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) | |
549 | drm_sysfs_connector_remove(connector); | |
550 | ||
551 | } | |
552 | EXPORT_SYMBOL(drm_connector_unplug_all); | |
553 | ||
6bfc56aa | 554 | int drm_encoder_init(struct drm_device *dev, |
cbc7e221 DA |
555 | struct drm_encoder *encoder, |
556 | const struct drm_encoder_funcs *funcs, | |
557 | int encoder_type) | |
f453ba04 | 558 | { |
6bfc56aa VS |
559 | int ret; |
560 | ||
f453ba04 DA |
561 | mutex_lock(&dev->mode_config.mutex); |
562 | ||
6bfc56aa VS |
563 | ret = drm_mode_object_get(dev, &encoder->base, DRM_MODE_OBJECT_ENCODER); |
564 | if (ret) | |
565 | goto out; | |
f453ba04 | 566 | |
6bfc56aa | 567 | encoder->dev = dev; |
f453ba04 DA |
568 | encoder->encoder_type = encoder_type; |
569 | encoder->funcs = funcs; | |
570 | ||
571 | list_add_tail(&encoder->head, &dev->mode_config.encoder_list); | |
572 | dev->mode_config.num_encoder++; | |
573 | ||
6bfc56aa | 574 | out: |
f453ba04 | 575 | mutex_unlock(&dev->mode_config.mutex); |
6bfc56aa VS |
576 | |
577 | return ret; | |
f453ba04 DA |
578 | } |
579 | EXPORT_SYMBOL(drm_encoder_init); | |
580 | ||
581 | void drm_encoder_cleanup(struct drm_encoder *encoder) | |
582 | { | |
583 | struct drm_device *dev = encoder->dev; | |
584 | mutex_lock(&dev->mode_config.mutex); | |
585 | drm_mode_object_put(dev, &encoder->base); | |
586 | list_del(&encoder->head); | |
6380c509 | 587 | dev->mode_config.num_encoder--; |
f453ba04 DA |
588 | mutex_unlock(&dev->mode_config.mutex); |
589 | } | |
590 | EXPORT_SYMBOL(drm_encoder_cleanup); | |
591 | ||
8cf5c917 JB |
592 | int drm_plane_init(struct drm_device *dev, struct drm_plane *plane, |
593 | unsigned long possible_crtcs, | |
594 | const struct drm_plane_funcs *funcs, | |
0a7eb243 RC |
595 | const uint32_t *formats, uint32_t format_count, |
596 | bool priv) | |
8cf5c917 | 597 | { |
6bfc56aa VS |
598 | int ret; |
599 | ||
8cf5c917 JB |
600 | mutex_lock(&dev->mode_config.mutex); |
601 | ||
6bfc56aa VS |
602 | ret = drm_mode_object_get(dev, &plane->base, DRM_MODE_OBJECT_PLANE); |
603 | if (ret) | |
604 | goto out; | |
605 | ||
8cf5c917 | 606 | plane->dev = dev; |
8cf5c917 JB |
607 | plane->funcs = funcs; |
608 | plane->format_types = kmalloc(sizeof(uint32_t) * format_count, | |
609 | GFP_KERNEL); | |
610 | if (!plane->format_types) { | |
611 | DRM_DEBUG_KMS("out of memory when allocating plane\n"); | |
612 | drm_mode_object_put(dev, &plane->base); | |
6bfc56aa VS |
613 | ret = -ENOMEM; |
614 | goto out; | |
8cf5c917 JB |
615 | } |
616 | ||
308e5bcb | 617 | memcpy(plane->format_types, formats, format_count * sizeof(uint32_t)); |
8cf5c917 JB |
618 | plane->format_count = format_count; |
619 | plane->possible_crtcs = possible_crtcs; | |
620 | ||
0a7eb243 RC |
621 | /* private planes are not exposed to userspace, but depending on |
622 | * display hardware, might be convenient to allow sharing programming | |
623 | * for the scanout engine with the crtc implementation. | |
624 | */ | |
625 | if (!priv) { | |
626 | list_add_tail(&plane->head, &dev->mode_config.plane_list); | |
627 | dev->mode_config.num_plane++; | |
628 | } else { | |
629 | INIT_LIST_HEAD(&plane->head); | |
630 | } | |
8cf5c917 | 631 | |
6bfc56aa | 632 | out: |
8cf5c917 JB |
633 | mutex_unlock(&dev->mode_config.mutex); |
634 | ||
6bfc56aa | 635 | return ret; |
8cf5c917 JB |
636 | } |
637 | EXPORT_SYMBOL(drm_plane_init); | |
638 | ||
639 | void drm_plane_cleanup(struct drm_plane *plane) | |
640 | { | |
641 | struct drm_device *dev = plane->dev; | |
642 | ||
643 | mutex_lock(&dev->mode_config.mutex); | |
644 | kfree(plane->format_types); | |
645 | drm_mode_object_put(dev, &plane->base); | |
0a7eb243 RC |
646 | /* if not added to a list, it must be a private plane */ |
647 | if (!list_empty(&plane->head)) { | |
648 | list_del(&plane->head); | |
649 | dev->mode_config.num_plane--; | |
650 | } | |
8cf5c917 JB |
651 | mutex_unlock(&dev->mode_config.mutex); |
652 | } | |
653 | EXPORT_SYMBOL(drm_plane_cleanup); | |
654 | ||
f453ba04 DA |
655 | /** |
656 | * drm_mode_create - create a new display mode | |
657 | * @dev: DRM device | |
658 | * | |
659 | * LOCKING: | |
660 | * Caller must hold DRM mode_config lock. | |
661 | * | |
662 | * Create a new drm_display_mode, give it an ID, and return it. | |
663 | * | |
664 | * RETURNS: | |
665 | * Pointer to new mode on success, NULL on error. | |
666 | */ | |
667 | struct drm_display_mode *drm_mode_create(struct drm_device *dev) | |
668 | { | |
669 | struct drm_display_mode *nmode; | |
670 | ||
671 | nmode = kzalloc(sizeof(struct drm_display_mode), GFP_KERNEL); | |
672 | if (!nmode) | |
673 | return NULL; | |
674 | ||
6bfc56aa VS |
675 | if (drm_mode_object_get(dev, &nmode->base, DRM_MODE_OBJECT_MODE)) { |
676 | kfree(nmode); | |
677 | return NULL; | |
678 | } | |
679 | ||
f453ba04 DA |
680 | return nmode; |
681 | } | |
682 | EXPORT_SYMBOL(drm_mode_create); | |
683 | ||
684 | /** | |
685 | * drm_mode_destroy - remove a mode | |
686 | * @dev: DRM device | |
687 | * @mode: mode to remove | |
688 | * | |
689 | * LOCKING: | |
690 | * Caller must hold mode config lock. | |
691 | * | |
692 | * Free @mode's unique identifier, then free it. | |
693 | */ | |
694 | void drm_mode_destroy(struct drm_device *dev, struct drm_display_mode *mode) | |
695 | { | |
ee34ab5b VS |
696 | if (!mode) |
697 | return; | |
698 | ||
f453ba04 DA |
699 | drm_mode_object_put(dev, &mode->base); |
700 | ||
701 | kfree(mode); | |
702 | } | |
703 | EXPORT_SYMBOL(drm_mode_destroy); | |
704 | ||
705 | static int drm_mode_create_standard_connector_properties(struct drm_device *dev) | |
706 | { | |
707 | struct drm_property *edid; | |
708 | struct drm_property *dpms; | |
f453ba04 DA |
709 | |
710 | /* | |
711 | * Standard properties (apply to all connectors) | |
712 | */ | |
713 | edid = drm_property_create(dev, DRM_MODE_PROP_BLOB | | |
714 | DRM_MODE_PROP_IMMUTABLE, | |
715 | "EDID", 0); | |
716 | dev->mode_config.edid_property = edid; | |
717 | ||
4a67d391 SH |
718 | dpms = drm_property_create_enum(dev, 0, |
719 | "DPMS", drm_dpms_enum_list, | |
720 | ARRAY_SIZE(drm_dpms_enum_list)); | |
f453ba04 DA |
721 | dev->mode_config.dpms_property = dpms; |
722 | ||
723 | return 0; | |
724 | } | |
725 | ||
726 | /** | |
727 | * drm_mode_create_dvi_i_properties - create DVI-I specific connector properties | |
728 | * @dev: DRM device | |
729 | * | |
730 | * Called by a driver the first time a DVI-I connector is made. | |
731 | */ | |
732 | int drm_mode_create_dvi_i_properties(struct drm_device *dev) | |
733 | { | |
734 | struct drm_property *dvi_i_selector; | |
735 | struct drm_property *dvi_i_subconnector; | |
f453ba04 DA |
736 | |
737 | if (dev->mode_config.dvi_i_select_subconnector_property) | |
738 | return 0; | |
739 | ||
740 | dvi_i_selector = | |
4a67d391 | 741 | drm_property_create_enum(dev, 0, |
f453ba04 | 742 | "select subconnector", |
4a67d391 | 743 | drm_dvi_i_select_enum_list, |
f453ba04 | 744 | ARRAY_SIZE(drm_dvi_i_select_enum_list)); |
f453ba04 DA |
745 | dev->mode_config.dvi_i_select_subconnector_property = dvi_i_selector; |
746 | ||
4a67d391 | 747 | dvi_i_subconnector = drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, |
f453ba04 | 748 | "subconnector", |
4a67d391 | 749 | drm_dvi_i_subconnector_enum_list, |
f453ba04 | 750 | ARRAY_SIZE(drm_dvi_i_subconnector_enum_list)); |
f453ba04 DA |
751 | dev->mode_config.dvi_i_subconnector_property = dvi_i_subconnector; |
752 | ||
753 | return 0; | |
754 | } | |
755 | EXPORT_SYMBOL(drm_mode_create_dvi_i_properties); | |
756 | ||
757 | /** | |
758 | * drm_create_tv_properties - create TV specific connector properties | |
759 | * @dev: DRM device | |
760 | * @num_modes: number of different TV formats (modes) supported | |
761 | * @modes: array of pointers to strings containing name of each format | |
762 | * | |
763 | * Called by a driver's TV initialization routine, this function creates | |
764 | * the TV specific connector properties for a given device. Caller is | |
765 | * responsible for allocating a list of format names and passing them to | |
766 | * this routine. | |
767 | */ | |
768 | int drm_mode_create_tv_properties(struct drm_device *dev, int num_modes, | |
769 | char *modes[]) | |
770 | { | |
771 | struct drm_property *tv_selector; | |
772 | struct drm_property *tv_subconnector; | |
773 | int i; | |
774 | ||
775 | if (dev->mode_config.tv_select_subconnector_property) | |
776 | return 0; | |
777 | ||
778 | /* | |
779 | * Basic connector properties | |
780 | */ | |
4a67d391 | 781 | tv_selector = drm_property_create_enum(dev, 0, |
f453ba04 | 782 | "select subconnector", |
4a67d391 | 783 | drm_tv_select_enum_list, |
f453ba04 | 784 | ARRAY_SIZE(drm_tv_select_enum_list)); |
f453ba04 DA |
785 | dev->mode_config.tv_select_subconnector_property = tv_selector; |
786 | ||
787 | tv_subconnector = | |
4a67d391 SH |
788 | drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, |
789 | "subconnector", | |
790 | drm_tv_subconnector_enum_list, | |
f453ba04 | 791 | ARRAY_SIZE(drm_tv_subconnector_enum_list)); |
f453ba04 DA |
792 | dev->mode_config.tv_subconnector_property = tv_subconnector; |
793 | ||
794 | /* | |
795 | * Other, TV specific properties: margins & TV modes. | |
796 | */ | |
797 | dev->mode_config.tv_left_margin_property = | |
d9bc3c02 | 798 | drm_property_create_range(dev, 0, "left margin", 0, 100); |
f453ba04 DA |
799 | |
800 | dev->mode_config.tv_right_margin_property = | |
d9bc3c02 | 801 | drm_property_create_range(dev, 0, "right margin", 0, 100); |
f453ba04 DA |
802 | |
803 | dev->mode_config.tv_top_margin_property = | |
d9bc3c02 | 804 | drm_property_create_range(dev, 0, "top margin", 0, 100); |
f453ba04 DA |
805 | |
806 | dev->mode_config.tv_bottom_margin_property = | |
d9bc3c02 | 807 | drm_property_create_range(dev, 0, "bottom margin", 0, 100); |
f453ba04 DA |
808 | |
809 | dev->mode_config.tv_mode_property = | |
810 | drm_property_create(dev, DRM_MODE_PROP_ENUM, | |
811 | "mode", num_modes); | |
812 | for (i = 0; i < num_modes; i++) | |
813 | drm_property_add_enum(dev->mode_config.tv_mode_property, i, | |
814 | i, modes[i]); | |
815 | ||
b6b7902e | 816 | dev->mode_config.tv_brightness_property = |
d9bc3c02 | 817 | drm_property_create_range(dev, 0, "brightness", 0, 100); |
b6b7902e FJ |
818 | |
819 | dev->mode_config.tv_contrast_property = | |
d9bc3c02 | 820 | drm_property_create_range(dev, 0, "contrast", 0, 100); |
b6b7902e FJ |
821 | |
822 | dev->mode_config.tv_flicker_reduction_property = | |
d9bc3c02 | 823 | drm_property_create_range(dev, 0, "flicker reduction", 0, 100); |
b6b7902e | 824 | |
a75f0236 | 825 | dev->mode_config.tv_overscan_property = |
d9bc3c02 | 826 | drm_property_create_range(dev, 0, "overscan", 0, 100); |
a75f0236 FJ |
827 | |
828 | dev->mode_config.tv_saturation_property = | |
d9bc3c02 | 829 | drm_property_create_range(dev, 0, "saturation", 0, 100); |
a75f0236 FJ |
830 | |
831 | dev->mode_config.tv_hue_property = | |
d9bc3c02 | 832 | drm_property_create_range(dev, 0, "hue", 0, 100); |
a75f0236 | 833 | |
f453ba04 DA |
834 | return 0; |
835 | } | |
836 | EXPORT_SYMBOL(drm_mode_create_tv_properties); | |
837 | ||
838 | /** | |
839 | * drm_mode_create_scaling_mode_property - create scaling mode property | |
840 | * @dev: DRM device | |
841 | * | |
842 | * Called by a driver the first time it's needed, must be attached to desired | |
843 | * connectors. | |
844 | */ | |
845 | int drm_mode_create_scaling_mode_property(struct drm_device *dev) | |
846 | { | |
847 | struct drm_property *scaling_mode; | |
f453ba04 DA |
848 | |
849 | if (dev->mode_config.scaling_mode_property) | |
850 | return 0; | |
851 | ||
852 | scaling_mode = | |
4a67d391 SH |
853 | drm_property_create_enum(dev, 0, "scaling mode", |
854 | drm_scaling_mode_enum_list, | |
f453ba04 | 855 | ARRAY_SIZE(drm_scaling_mode_enum_list)); |
f453ba04 DA |
856 | |
857 | dev->mode_config.scaling_mode_property = scaling_mode; | |
858 | ||
859 | return 0; | |
860 | } | |
861 | EXPORT_SYMBOL(drm_mode_create_scaling_mode_property); | |
862 | ||
863 | /** | |
864 | * drm_mode_create_dithering_property - create dithering property | |
865 | * @dev: DRM device | |
866 | * | |
867 | * Called by a driver the first time it's needed, must be attached to desired | |
868 | * connectors. | |
869 | */ | |
870 | int drm_mode_create_dithering_property(struct drm_device *dev) | |
871 | { | |
872 | struct drm_property *dithering_mode; | |
f453ba04 DA |
873 | |
874 | if (dev->mode_config.dithering_mode_property) | |
875 | return 0; | |
876 | ||
877 | dithering_mode = | |
4a67d391 SH |
878 | drm_property_create_enum(dev, 0, "dithering", |
879 | drm_dithering_mode_enum_list, | |
f453ba04 | 880 | ARRAY_SIZE(drm_dithering_mode_enum_list)); |
f453ba04 DA |
881 | dev->mode_config.dithering_mode_property = dithering_mode; |
882 | ||
883 | return 0; | |
884 | } | |
885 | EXPORT_SYMBOL(drm_mode_create_dithering_property); | |
886 | ||
884840aa JB |
887 | /** |
888 | * drm_mode_create_dirty_property - create dirty property | |
889 | * @dev: DRM device | |
890 | * | |
891 | * Called by a driver the first time it's needed, must be attached to desired | |
892 | * connectors. | |
893 | */ | |
894 | int drm_mode_create_dirty_info_property(struct drm_device *dev) | |
895 | { | |
896 | struct drm_property *dirty_info; | |
884840aa JB |
897 | |
898 | if (dev->mode_config.dirty_info_property) | |
899 | return 0; | |
900 | ||
901 | dirty_info = | |
4a67d391 | 902 | drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, |
884840aa | 903 | "dirty", |
4a67d391 | 904 | drm_dirty_info_enum_list, |
884840aa | 905 | ARRAY_SIZE(drm_dirty_info_enum_list)); |
884840aa JB |
906 | dev->mode_config.dirty_info_property = dirty_info; |
907 | ||
908 | return 0; | |
909 | } | |
910 | EXPORT_SYMBOL(drm_mode_create_dirty_info_property); | |
911 | ||
f453ba04 DA |
912 | /** |
913 | * drm_mode_config_init - initialize DRM mode_configuration structure | |
914 | * @dev: DRM device | |
915 | * | |
916 | * LOCKING: | |
917 | * None, should happen single threaded at init time. | |
918 | * | |
919 | * Initialize @dev's mode_config structure, used for tracking the graphics | |
920 | * configuration of @dev. | |
921 | */ | |
922 | void drm_mode_config_init(struct drm_device *dev) | |
923 | { | |
924 | mutex_init(&dev->mode_config.mutex); | |
ad2563c2 | 925 | mutex_init(&dev->mode_config.idr_mutex); |
f453ba04 | 926 | INIT_LIST_HEAD(&dev->mode_config.fb_list); |
f453ba04 DA |
927 | INIT_LIST_HEAD(&dev->mode_config.crtc_list); |
928 | INIT_LIST_HEAD(&dev->mode_config.connector_list); | |
929 | INIT_LIST_HEAD(&dev->mode_config.encoder_list); | |
930 | INIT_LIST_HEAD(&dev->mode_config.property_list); | |
931 | INIT_LIST_HEAD(&dev->mode_config.property_blob_list); | |
8cf5c917 | 932 | INIT_LIST_HEAD(&dev->mode_config.plane_list); |
f453ba04 DA |
933 | idr_init(&dev->mode_config.crtc_idr); |
934 | ||
935 | mutex_lock(&dev->mode_config.mutex); | |
936 | drm_mode_create_standard_connector_properties(dev); | |
937 | mutex_unlock(&dev->mode_config.mutex); | |
938 | ||
939 | /* Just to be sure */ | |
940 | dev->mode_config.num_fb = 0; | |
941 | dev->mode_config.num_connector = 0; | |
942 | dev->mode_config.num_crtc = 0; | |
943 | dev->mode_config.num_encoder = 0; | |
f453ba04 DA |
944 | } |
945 | EXPORT_SYMBOL(drm_mode_config_init); | |
946 | ||
947 | int drm_mode_group_init(struct drm_device *dev, struct drm_mode_group *group) | |
948 | { | |
949 | uint32_t total_objects = 0; | |
950 | ||
951 | total_objects += dev->mode_config.num_crtc; | |
952 | total_objects += dev->mode_config.num_connector; | |
953 | total_objects += dev->mode_config.num_encoder; | |
954 | ||
f453ba04 DA |
955 | group->id_list = kzalloc(total_objects * sizeof(uint32_t), GFP_KERNEL); |
956 | if (!group->id_list) | |
957 | return -ENOMEM; | |
958 | ||
959 | group->num_crtcs = 0; | |
960 | group->num_connectors = 0; | |
961 | group->num_encoders = 0; | |
962 | return 0; | |
963 | } | |
964 | ||
965 | int drm_mode_group_init_legacy_group(struct drm_device *dev, | |
966 | struct drm_mode_group *group) | |
967 | { | |
968 | struct drm_crtc *crtc; | |
969 | struct drm_encoder *encoder; | |
970 | struct drm_connector *connector; | |
971 | int ret; | |
972 | ||
973 | if ((ret = drm_mode_group_init(dev, group))) | |
974 | return ret; | |
975 | ||
976 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) | |
977 | group->id_list[group->num_crtcs++] = crtc->base.id; | |
978 | ||
979 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) | |
980 | group->id_list[group->num_crtcs + group->num_encoders++] = | |
981 | encoder->base.id; | |
982 | ||
983 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) | |
984 | group->id_list[group->num_crtcs + group->num_encoders + | |
985 | group->num_connectors++] = connector->base.id; | |
986 | ||
987 | return 0; | |
988 | } | |
9c1dfc55 | 989 | EXPORT_SYMBOL(drm_mode_group_init_legacy_group); |
f453ba04 DA |
990 | |
991 | /** | |
992 | * drm_mode_config_cleanup - free up DRM mode_config info | |
993 | * @dev: DRM device | |
994 | * | |
995 | * LOCKING: | |
996 | * Caller must hold mode config lock. | |
997 | * | |
998 | * Free up all the connectors and CRTCs associated with this DRM device, then | |
999 | * free up the framebuffers and associated buffer objects. | |
1000 | * | |
1001 | * FIXME: cleanup any dangling user buffer objects too | |
1002 | */ | |
1003 | void drm_mode_config_cleanup(struct drm_device *dev) | |
1004 | { | |
1005 | struct drm_connector *connector, *ot; | |
1006 | struct drm_crtc *crtc, *ct; | |
1007 | struct drm_encoder *encoder, *enct; | |
1008 | struct drm_framebuffer *fb, *fbt; | |
1009 | struct drm_property *property, *pt; | |
8cf5c917 | 1010 | struct drm_plane *plane, *plt; |
f453ba04 DA |
1011 | |
1012 | list_for_each_entry_safe(encoder, enct, &dev->mode_config.encoder_list, | |
1013 | head) { | |
1014 | encoder->funcs->destroy(encoder); | |
1015 | } | |
1016 | ||
1017 | list_for_each_entry_safe(connector, ot, | |
1018 | &dev->mode_config.connector_list, head) { | |
1019 | connector->funcs->destroy(connector); | |
1020 | } | |
1021 | ||
1022 | list_for_each_entry_safe(property, pt, &dev->mode_config.property_list, | |
1023 | head) { | |
1024 | drm_property_destroy(dev, property); | |
1025 | } | |
1026 | ||
1027 | list_for_each_entry_safe(fb, fbt, &dev->mode_config.fb_list, head) { | |
1028 | fb->funcs->destroy(fb); | |
1029 | } | |
1030 | ||
1031 | list_for_each_entry_safe(crtc, ct, &dev->mode_config.crtc_list, head) { | |
1032 | crtc->funcs->destroy(crtc); | |
1033 | } | |
1034 | ||
8cf5c917 JB |
1035 | list_for_each_entry_safe(plane, plt, &dev->mode_config.plane_list, |
1036 | head) { | |
1037 | plane->funcs->destroy(plane); | |
1038 | } | |
59ce062e SH |
1039 | |
1040 | idr_remove_all(&dev->mode_config.crtc_idr); | |
1041 | idr_destroy(&dev->mode_config.crtc_idr); | |
f453ba04 DA |
1042 | } |
1043 | EXPORT_SYMBOL(drm_mode_config_cleanup); | |
1044 | ||
f453ba04 DA |
1045 | /** |
1046 | * drm_crtc_convert_to_umode - convert a drm_display_mode into a modeinfo | |
1047 | * @out: drm_mode_modeinfo struct to return to the user | |
1048 | * @in: drm_display_mode to use | |
1049 | * | |
1050 | * LOCKING: | |
1051 | * None. | |
1052 | * | |
1053 | * Convert a drm_display_mode into a drm_mode_modeinfo structure to return to | |
1054 | * the user. | |
1055 | */ | |
93bbf6db VS |
1056 | static void drm_crtc_convert_to_umode(struct drm_mode_modeinfo *out, |
1057 | const struct drm_display_mode *in) | |
f453ba04 | 1058 | { |
e36fae38 VS |
1059 | WARN(in->hdisplay > USHRT_MAX || in->hsync_start > USHRT_MAX || |
1060 | in->hsync_end > USHRT_MAX || in->htotal > USHRT_MAX || | |
1061 | in->hskew > USHRT_MAX || in->vdisplay > USHRT_MAX || | |
1062 | in->vsync_start > USHRT_MAX || in->vsync_end > USHRT_MAX || | |
1063 | in->vtotal > USHRT_MAX || in->vscan > USHRT_MAX, | |
1064 | "timing values too large for mode info\n"); | |
1065 | ||
f453ba04 DA |
1066 | out->clock = in->clock; |
1067 | out->hdisplay = in->hdisplay; | |
1068 | out->hsync_start = in->hsync_start; | |
1069 | out->hsync_end = in->hsync_end; | |
1070 | out->htotal = in->htotal; | |
1071 | out->hskew = in->hskew; | |
1072 | out->vdisplay = in->vdisplay; | |
1073 | out->vsync_start = in->vsync_start; | |
1074 | out->vsync_end = in->vsync_end; | |
1075 | out->vtotal = in->vtotal; | |
1076 | out->vscan = in->vscan; | |
1077 | out->vrefresh = in->vrefresh; | |
1078 | out->flags = in->flags; | |
1079 | out->type = in->type; | |
1080 | strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN); | |
1081 | out->name[DRM_DISPLAY_MODE_LEN-1] = 0; | |
1082 | } | |
1083 | ||
1084 | /** | |
1085 | * drm_crtc_convert_to_umode - convert a modeinfo into a drm_display_mode | |
1086 | * @out: drm_display_mode to return to the user | |
1087 | * @in: drm_mode_modeinfo to use | |
1088 | * | |
1089 | * LOCKING: | |
1090 | * None. | |
1091 | * | |
1092 | * Convert a drm_mode_modeinfo into a drm_display_mode structure to return to | |
1093 | * the caller. | |
90367bf6 VS |
1094 | * |
1095 | * RETURNS: | |
1096 | * Zero on success, errno on failure. | |
f453ba04 | 1097 | */ |
93bbf6db VS |
1098 | static int drm_crtc_convert_umode(struct drm_display_mode *out, |
1099 | const struct drm_mode_modeinfo *in) | |
f453ba04 | 1100 | { |
90367bf6 VS |
1101 | if (in->clock > INT_MAX || in->vrefresh > INT_MAX) |
1102 | return -ERANGE; | |
1103 | ||
f453ba04 DA |
1104 | out->clock = in->clock; |
1105 | out->hdisplay = in->hdisplay; | |
1106 | out->hsync_start = in->hsync_start; | |
1107 | out->hsync_end = in->hsync_end; | |
1108 | out->htotal = in->htotal; | |
1109 | out->hskew = in->hskew; | |
1110 | out->vdisplay = in->vdisplay; | |
1111 | out->vsync_start = in->vsync_start; | |
1112 | out->vsync_end = in->vsync_end; | |
1113 | out->vtotal = in->vtotal; | |
1114 | out->vscan = in->vscan; | |
1115 | out->vrefresh = in->vrefresh; | |
1116 | out->flags = in->flags; | |
1117 | out->type = in->type; | |
1118 | strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN); | |
1119 | out->name[DRM_DISPLAY_MODE_LEN-1] = 0; | |
90367bf6 VS |
1120 | |
1121 | return 0; | |
f453ba04 DA |
1122 | } |
1123 | ||
1124 | /** | |
1125 | * drm_mode_getresources - get graphics configuration | |
1126 | * @inode: inode from the ioctl | |
1127 | * @filp: file * from the ioctl | |
1128 | * @cmd: cmd from ioctl | |
1129 | * @arg: arg from ioctl | |
1130 | * | |
1131 | * LOCKING: | |
1132 | * Takes mode config lock. | |
1133 | * | |
1134 | * Construct a set of configuration description structures and return | |
1135 | * them to the user, including CRTC, connector and framebuffer configuration. | |
1136 | * | |
1137 | * Called by the user via ioctl. | |
1138 | * | |
1139 | * RETURNS: | |
1140 | * Zero on success, errno on failure. | |
1141 | */ | |
1142 | int drm_mode_getresources(struct drm_device *dev, void *data, | |
1143 | struct drm_file *file_priv) | |
1144 | { | |
1145 | struct drm_mode_card_res *card_res = data; | |
1146 | struct list_head *lh; | |
1147 | struct drm_framebuffer *fb; | |
1148 | struct drm_connector *connector; | |
1149 | struct drm_crtc *crtc; | |
1150 | struct drm_encoder *encoder; | |
1151 | int ret = 0; | |
1152 | int connector_count = 0; | |
1153 | int crtc_count = 0; | |
1154 | int fb_count = 0; | |
1155 | int encoder_count = 0; | |
1156 | int copied = 0, i; | |
1157 | uint32_t __user *fb_id; | |
1158 | uint32_t __user *crtc_id; | |
1159 | uint32_t __user *connector_id; | |
1160 | uint32_t __user *encoder_id; | |
1161 | struct drm_mode_group *mode_group; | |
1162 | ||
fb3b06c8 DA |
1163 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
1164 | return -EINVAL; | |
1165 | ||
f453ba04 DA |
1166 | mutex_lock(&dev->mode_config.mutex); |
1167 | ||
1168 | /* | |
1169 | * For the non-control nodes we need to limit the list of resources | |
1170 | * by IDs in the group list for this node | |
1171 | */ | |
1172 | list_for_each(lh, &file_priv->fbs) | |
1173 | fb_count++; | |
1174 | ||
1175 | mode_group = &file_priv->master->minor->mode_group; | |
1176 | if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { | |
1177 | ||
1178 | list_for_each(lh, &dev->mode_config.crtc_list) | |
1179 | crtc_count++; | |
1180 | ||
1181 | list_for_each(lh, &dev->mode_config.connector_list) | |
1182 | connector_count++; | |
1183 | ||
1184 | list_for_each(lh, &dev->mode_config.encoder_list) | |
1185 | encoder_count++; | |
1186 | } else { | |
1187 | ||
1188 | crtc_count = mode_group->num_crtcs; | |
1189 | connector_count = mode_group->num_connectors; | |
1190 | encoder_count = mode_group->num_encoders; | |
1191 | } | |
1192 | ||
1193 | card_res->max_height = dev->mode_config.max_height; | |
1194 | card_res->min_height = dev->mode_config.min_height; | |
1195 | card_res->max_width = dev->mode_config.max_width; | |
1196 | card_res->min_width = dev->mode_config.min_width; | |
1197 | ||
1198 | /* handle this in 4 parts */ | |
1199 | /* FBs */ | |
1200 | if (card_res->count_fbs >= fb_count) { | |
1201 | copied = 0; | |
1202 | fb_id = (uint32_t __user *)(unsigned long)card_res->fb_id_ptr; | |
618c75e4 | 1203 | list_for_each_entry(fb, &file_priv->fbs, filp_head) { |
f453ba04 DA |
1204 | if (put_user(fb->base.id, fb_id + copied)) { |
1205 | ret = -EFAULT; | |
1206 | goto out; | |
1207 | } | |
1208 | copied++; | |
1209 | } | |
1210 | } | |
1211 | card_res->count_fbs = fb_count; | |
1212 | ||
1213 | /* CRTCs */ | |
1214 | if (card_res->count_crtcs >= crtc_count) { | |
1215 | copied = 0; | |
1216 | crtc_id = (uint32_t __user *)(unsigned long)card_res->crtc_id_ptr; | |
1217 | if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { | |
1218 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, | |
1219 | head) { | |
9440106b | 1220 | DRM_DEBUG_KMS("[CRTC:%d]\n", crtc->base.id); |
f453ba04 DA |
1221 | if (put_user(crtc->base.id, crtc_id + copied)) { |
1222 | ret = -EFAULT; | |
1223 | goto out; | |
1224 | } | |
1225 | copied++; | |
1226 | } | |
1227 | } else { | |
1228 | for (i = 0; i < mode_group->num_crtcs; i++) { | |
1229 | if (put_user(mode_group->id_list[i], | |
1230 | crtc_id + copied)) { | |
1231 | ret = -EFAULT; | |
1232 | goto out; | |
1233 | } | |
1234 | copied++; | |
1235 | } | |
1236 | } | |
1237 | } | |
1238 | card_res->count_crtcs = crtc_count; | |
1239 | ||
1240 | /* Encoders */ | |
1241 | if (card_res->count_encoders >= encoder_count) { | |
1242 | copied = 0; | |
1243 | encoder_id = (uint32_t __user *)(unsigned long)card_res->encoder_id_ptr; | |
1244 | if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { | |
1245 | list_for_each_entry(encoder, | |
1246 | &dev->mode_config.encoder_list, | |
1247 | head) { | |
9440106b JG |
1248 | DRM_DEBUG_KMS("[ENCODER:%d:%s]\n", encoder->base.id, |
1249 | drm_get_encoder_name(encoder)); | |
f453ba04 DA |
1250 | if (put_user(encoder->base.id, encoder_id + |
1251 | copied)) { | |
1252 | ret = -EFAULT; | |
1253 | goto out; | |
1254 | } | |
1255 | copied++; | |
1256 | } | |
1257 | } else { | |
1258 | for (i = mode_group->num_crtcs; i < mode_group->num_crtcs + mode_group->num_encoders; i++) { | |
1259 | if (put_user(mode_group->id_list[i], | |
1260 | encoder_id + copied)) { | |
1261 | ret = -EFAULT; | |
1262 | goto out; | |
1263 | } | |
1264 | copied++; | |
1265 | } | |
1266 | ||
1267 | } | |
1268 | } | |
1269 | card_res->count_encoders = encoder_count; | |
1270 | ||
1271 | /* Connectors */ | |
1272 | if (card_res->count_connectors >= connector_count) { | |
1273 | copied = 0; | |
1274 | connector_id = (uint32_t __user *)(unsigned long)card_res->connector_id_ptr; | |
1275 | if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { | |
1276 | list_for_each_entry(connector, | |
1277 | &dev->mode_config.connector_list, | |
1278 | head) { | |
9440106b JG |
1279 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", |
1280 | connector->base.id, | |
1281 | drm_get_connector_name(connector)); | |
f453ba04 DA |
1282 | if (put_user(connector->base.id, |
1283 | connector_id + copied)) { | |
1284 | ret = -EFAULT; | |
1285 | goto out; | |
1286 | } | |
1287 | copied++; | |
1288 | } | |
1289 | } else { | |
1290 | int start = mode_group->num_crtcs + | |
1291 | mode_group->num_encoders; | |
1292 | for (i = start; i < start + mode_group->num_connectors; i++) { | |
1293 | if (put_user(mode_group->id_list[i], | |
1294 | connector_id + copied)) { | |
1295 | ret = -EFAULT; | |
1296 | goto out; | |
1297 | } | |
1298 | copied++; | |
1299 | } | |
1300 | } | |
1301 | } | |
1302 | card_res->count_connectors = connector_count; | |
1303 | ||
9440106b | 1304 | DRM_DEBUG_KMS("CRTC[%d] CONNECTORS[%d] ENCODERS[%d]\n", card_res->count_crtcs, |
f453ba04 DA |
1305 | card_res->count_connectors, card_res->count_encoders); |
1306 | ||
1307 | out: | |
1308 | mutex_unlock(&dev->mode_config.mutex); | |
1309 | return ret; | |
1310 | } | |
1311 | ||
1312 | /** | |
1313 | * drm_mode_getcrtc - get CRTC configuration | |
1314 | * @inode: inode from the ioctl | |
1315 | * @filp: file * from the ioctl | |
1316 | * @cmd: cmd from ioctl | |
1317 | * @arg: arg from ioctl | |
1318 | * | |
1319 | * LOCKING: | |
b20f3867 | 1320 | * Takes mode config lock. |
f453ba04 DA |
1321 | * |
1322 | * Construct a CRTC configuration structure to return to the user. | |
1323 | * | |
1324 | * Called by the user via ioctl. | |
1325 | * | |
1326 | * RETURNS: | |
1327 | * Zero on success, errno on failure. | |
1328 | */ | |
1329 | int drm_mode_getcrtc(struct drm_device *dev, | |
1330 | void *data, struct drm_file *file_priv) | |
1331 | { | |
1332 | struct drm_mode_crtc *crtc_resp = data; | |
1333 | struct drm_crtc *crtc; | |
1334 | struct drm_mode_object *obj; | |
1335 | int ret = 0; | |
1336 | ||
fb3b06c8 DA |
1337 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
1338 | return -EINVAL; | |
1339 | ||
f453ba04 DA |
1340 | mutex_lock(&dev->mode_config.mutex); |
1341 | ||
1342 | obj = drm_mode_object_find(dev, crtc_resp->crtc_id, | |
1343 | DRM_MODE_OBJECT_CRTC); | |
1344 | if (!obj) { | |
1345 | ret = -EINVAL; | |
1346 | goto out; | |
1347 | } | |
1348 | crtc = obj_to_crtc(obj); | |
1349 | ||
1350 | crtc_resp->x = crtc->x; | |
1351 | crtc_resp->y = crtc->y; | |
1352 | crtc_resp->gamma_size = crtc->gamma_size; | |
1353 | if (crtc->fb) | |
1354 | crtc_resp->fb_id = crtc->fb->base.id; | |
1355 | else | |
1356 | crtc_resp->fb_id = 0; | |
1357 | ||
1358 | if (crtc->enabled) { | |
1359 | ||
1360 | drm_crtc_convert_to_umode(&crtc_resp->mode, &crtc->mode); | |
1361 | crtc_resp->mode_valid = 1; | |
1362 | ||
1363 | } else { | |
1364 | crtc_resp->mode_valid = 0; | |
1365 | } | |
1366 | ||
1367 | out: | |
1368 | mutex_unlock(&dev->mode_config.mutex); | |
1369 | return ret; | |
1370 | } | |
1371 | ||
1372 | /** | |
1373 | * drm_mode_getconnector - get connector configuration | |
1374 | * @inode: inode from the ioctl | |
1375 | * @filp: file * from the ioctl | |
1376 | * @cmd: cmd from ioctl | |
1377 | * @arg: arg from ioctl | |
1378 | * | |
1379 | * LOCKING: | |
b20f3867 | 1380 | * Takes mode config lock. |
f453ba04 DA |
1381 | * |
1382 | * Construct a connector configuration structure to return to the user. | |
1383 | * | |
1384 | * Called by the user via ioctl. | |
1385 | * | |
1386 | * RETURNS: | |
1387 | * Zero on success, errno on failure. | |
1388 | */ | |
1389 | int drm_mode_getconnector(struct drm_device *dev, void *data, | |
1390 | struct drm_file *file_priv) | |
1391 | { | |
1392 | struct drm_mode_get_connector *out_resp = data; | |
1393 | struct drm_mode_object *obj; | |
1394 | struct drm_connector *connector; | |
1395 | struct drm_display_mode *mode; | |
1396 | int mode_count = 0; | |
1397 | int props_count = 0; | |
1398 | int encoders_count = 0; | |
1399 | int ret = 0; | |
1400 | int copied = 0; | |
1401 | int i; | |
1402 | struct drm_mode_modeinfo u_mode; | |
1403 | struct drm_mode_modeinfo __user *mode_ptr; | |
1404 | uint32_t __user *prop_ptr; | |
1405 | uint64_t __user *prop_values; | |
1406 | uint32_t __user *encoder_ptr; | |
1407 | ||
fb3b06c8 DA |
1408 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
1409 | return -EINVAL; | |
1410 | ||
f453ba04 DA |
1411 | memset(&u_mode, 0, sizeof(struct drm_mode_modeinfo)); |
1412 | ||
9440106b | 1413 | DRM_DEBUG_KMS("[CONNECTOR:%d:?]\n", out_resp->connector_id); |
f453ba04 DA |
1414 | |
1415 | mutex_lock(&dev->mode_config.mutex); | |
1416 | ||
1417 | obj = drm_mode_object_find(dev, out_resp->connector_id, | |
1418 | DRM_MODE_OBJECT_CONNECTOR); | |
1419 | if (!obj) { | |
1420 | ret = -EINVAL; | |
1421 | goto out; | |
1422 | } | |
1423 | connector = obj_to_connector(obj); | |
1424 | ||
1425 | for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) { | |
1426 | if (connector->property_ids[i] != 0) { | |
1427 | props_count++; | |
1428 | } | |
1429 | } | |
1430 | ||
1431 | for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { | |
1432 | if (connector->encoder_ids[i] != 0) { | |
1433 | encoders_count++; | |
1434 | } | |
1435 | } | |
1436 | ||
1437 | if (out_resp->count_modes == 0) { | |
1438 | connector->funcs->fill_modes(connector, | |
1439 | dev->mode_config.max_width, | |
1440 | dev->mode_config.max_height); | |
1441 | } | |
1442 | ||
1443 | /* delayed so we get modes regardless of pre-fill_modes state */ | |
1444 | list_for_each_entry(mode, &connector->modes, head) | |
1445 | mode_count++; | |
1446 | ||
1447 | out_resp->connector_id = connector->base.id; | |
1448 | out_resp->connector_type = connector->connector_type; | |
1449 | out_resp->connector_type_id = connector->connector_type_id; | |
1450 | out_resp->mm_width = connector->display_info.width_mm; | |
1451 | out_resp->mm_height = connector->display_info.height_mm; | |
1452 | out_resp->subpixel = connector->display_info.subpixel_order; | |
1453 | out_resp->connection = connector->status; | |
1454 | if (connector->encoder) | |
1455 | out_resp->encoder_id = connector->encoder->base.id; | |
1456 | else | |
1457 | out_resp->encoder_id = 0; | |
1458 | ||
1459 | /* | |
1460 | * This ioctl is called twice, once to determine how much space is | |
1461 | * needed, and the 2nd time to fill it. | |
1462 | */ | |
1463 | if ((out_resp->count_modes >= mode_count) && mode_count) { | |
1464 | copied = 0; | |
81f6c7f8 | 1465 | mode_ptr = (struct drm_mode_modeinfo __user *)(unsigned long)out_resp->modes_ptr; |
f453ba04 DA |
1466 | list_for_each_entry(mode, &connector->modes, head) { |
1467 | drm_crtc_convert_to_umode(&u_mode, mode); | |
1468 | if (copy_to_user(mode_ptr + copied, | |
1469 | &u_mode, sizeof(u_mode))) { | |
1470 | ret = -EFAULT; | |
1471 | goto out; | |
1472 | } | |
1473 | copied++; | |
1474 | } | |
1475 | } | |
1476 | out_resp->count_modes = mode_count; | |
1477 | ||
1478 | if ((out_resp->count_props >= props_count) && props_count) { | |
1479 | copied = 0; | |
81f6c7f8 VS |
1480 | prop_ptr = (uint32_t __user *)(unsigned long)(out_resp->props_ptr); |
1481 | prop_values = (uint64_t __user *)(unsigned long)(out_resp->prop_values_ptr); | |
f453ba04 DA |
1482 | for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) { |
1483 | if (connector->property_ids[i] != 0) { | |
1484 | if (put_user(connector->property_ids[i], | |
1485 | prop_ptr + copied)) { | |
1486 | ret = -EFAULT; | |
1487 | goto out; | |
1488 | } | |
1489 | ||
1490 | if (put_user(connector->property_values[i], | |
1491 | prop_values + copied)) { | |
1492 | ret = -EFAULT; | |
1493 | goto out; | |
1494 | } | |
1495 | copied++; | |
1496 | } | |
1497 | } | |
1498 | } | |
1499 | out_resp->count_props = props_count; | |
1500 | ||
1501 | if ((out_resp->count_encoders >= encoders_count) && encoders_count) { | |
1502 | copied = 0; | |
81f6c7f8 | 1503 | encoder_ptr = (uint32_t __user *)(unsigned long)(out_resp->encoders_ptr); |
f453ba04 DA |
1504 | for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { |
1505 | if (connector->encoder_ids[i] != 0) { | |
1506 | if (put_user(connector->encoder_ids[i], | |
1507 | encoder_ptr + copied)) { | |
1508 | ret = -EFAULT; | |
1509 | goto out; | |
1510 | } | |
1511 | copied++; | |
1512 | } | |
1513 | } | |
1514 | } | |
1515 | out_resp->count_encoders = encoders_count; | |
1516 | ||
1517 | out: | |
1518 | mutex_unlock(&dev->mode_config.mutex); | |
1519 | return ret; | |
1520 | } | |
1521 | ||
1522 | int drm_mode_getencoder(struct drm_device *dev, void *data, | |
1523 | struct drm_file *file_priv) | |
1524 | { | |
1525 | struct drm_mode_get_encoder *enc_resp = data; | |
1526 | struct drm_mode_object *obj; | |
1527 | struct drm_encoder *encoder; | |
1528 | int ret = 0; | |
1529 | ||
fb3b06c8 DA |
1530 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
1531 | return -EINVAL; | |
1532 | ||
f453ba04 DA |
1533 | mutex_lock(&dev->mode_config.mutex); |
1534 | obj = drm_mode_object_find(dev, enc_resp->encoder_id, | |
1535 | DRM_MODE_OBJECT_ENCODER); | |
1536 | if (!obj) { | |
1537 | ret = -EINVAL; | |
1538 | goto out; | |
1539 | } | |
1540 | encoder = obj_to_encoder(obj); | |
1541 | ||
1542 | if (encoder->crtc) | |
1543 | enc_resp->crtc_id = encoder->crtc->base.id; | |
1544 | else | |
1545 | enc_resp->crtc_id = 0; | |
1546 | enc_resp->encoder_type = encoder->encoder_type; | |
1547 | enc_resp->encoder_id = encoder->base.id; | |
1548 | enc_resp->possible_crtcs = encoder->possible_crtcs; | |
1549 | enc_resp->possible_clones = encoder->possible_clones; | |
1550 | ||
1551 | out: | |
1552 | mutex_unlock(&dev->mode_config.mutex); | |
1553 | return ret; | |
1554 | } | |
1555 | ||
8cf5c917 JB |
1556 | /** |
1557 | * drm_mode_getplane_res - get plane info | |
1558 | * @dev: DRM device | |
1559 | * @data: ioctl data | |
1560 | * @file_priv: DRM file info | |
1561 | * | |
b20f3867 SH |
1562 | * LOCKING: |
1563 | * Takes mode config lock. | |
1564 | * | |
8cf5c917 JB |
1565 | * Return an plane count and set of IDs. |
1566 | */ | |
1567 | int drm_mode_getplane_res(struct drm_device *dev, void *data, | |
1568 | struct drm_file *file_priv) | |
1569 | { | |
1570 | struct drm_mode_get_plane_res *plane_resp = data; | |
1571 | struct drm_mode_config *config; | |
1572 | struct drm_plane *plane; | |
1573 | uint32_t __user *plane_ptr; | |
1574 | int copied = 0, ret = 0; | |
1575 | ||
1576 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) | |
1577 | return -EINVAL; | |
1578 | ||
1579 | mutex_lock(&dev->mode_config.mutex); | |
1580 | config = &dev->mode_config; | |
1581 | ||
1582 | /* | |
1583 | * This ioctl is called twice, once to determine how much space is | |
1584 | * needed, and the 2nd time to fill it. | |
1585 | */ | |
1586 | if (config->num_plane && | |
1587 | (plane_resp->count_planes >= config->num_plane)) { | |
81f6c7f8 | 1588 | plane_ptr = (uint32_t __user *)(unsigned long)plane_resp->plane_id_ptr; |
8cf5c917 JB |
1589 | |
1590 | list_for_each_entry(plane, &config->plane_list, head) { | |
1591 | if (put_user(plane->base.id, plane_ptr + copied)) { | |
1592 | ret = -EFAULT; | |
1593 | goto out; | |
1594 | } | |
1595 | copied++; | |
1596 | } | |
1597 | } | |
1598 | plane_resp->count_planes = config->num_plane; | |
1599 | ||
1600 | out: | |
1601 | mutex_unlock(&dev->mode_config.mutex); | |
1602 | return ret; | |
1603 | } | |
1604 | ||
1605 | /** | |
1606 | * drm_mode_getplane - get plane info | |
1607 | * @dev: DRM device | |
1608 | * @data: ioctl data | |
1609 | * @file_priv: DRM file info | |
1610 | * | |
b20f3867 SH |
1611 | * LOCKING: |
1612 | * Takes mode config lock. | |
1613 | * | |
8cf5c917 JB |
1614 | * Return plane info, including formats supported, gamma size, any |
1615 | * current fb, etc. | |
1616 | */ | |
1617 | int drm_mode_getplane(struct drm_device *dev, void *data, | |
1618 | struct drm_file *file_priv) | |
1619 | { | |
1620 | struct drm_mode_get_plane *plane_resp = data; | |
1621 | struct drm_mode_object *obj; | |
1622 | struct drm_plane *plane; | |
1623 | uint32_t __user *format_ptr; | |
1624 | int ret = 0; | |
1625 | ||
1626 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) | |
1627 | return -EINVAL; | |
1628 | ||
1629 | mutex_lock(&dev->mode_config.mutex); | |
1630 | obj = drm_mode_object_find(dev, plane_resp->plane_id, | |
1631 | DRM_MODE_OBJECT_PLANE); | |
1632 | if (!obj) { | |
1633 | ret = -ENOENT; | |
1634 | goto out; | |
1635 | } | |
1636 | plane = obj_to_plane(obj); | |
1637 | ||
1638 | if (plane->crtc) | |
1639 | plane_resp->crtc_id = plane->crtc->base.id; | |
1640 | else | |
1641 | plane_resp->crtc_id = 0; | |
1642 | ||
1643 | if (plane->fb) | |
1644 | plane_resp->fb_id = plane->fb->base.id; | |
1645 | else | |
1646 | plane_resp->fb_id = 0; | |
1647 | ||
1648 | plane_resp->plane_id = plane->base.id; | |
1649 | plane_resp->possible_crtcs = plane->possible_crtcs; | |
1650 | plane_resp->gamma_size = plane->gamma_size; | |
1651 | ||
1652 | /* | |
1653 | * This ioctl is called twice, once to determine how much space is | |
1654 | * needed, and the 2nd time to fill it. | |
1655 | */ | |
1656 | if (plane->format_count && | |
1657 | (plane_resp->count_format_types >= plane->format_count)) { | |
81f6c7f8 | 1658 | format_ptr = (uint32_t __user *)(unsigned long)plane_resp->format_type_ptr; |
8cf5c917 JB |
1659 | if (copy_to_user(format_ptr, |
1660 | plane->format_types, | |
1661 | sizeof(uint32_t) * plane->format_count)) { | |
1662 | ret = -EFAULT; | |
1663 | goto out; | |
1664 | } | |
1665 | } | |
1666 | plane_resp->count_format_types = plane->format_count; | |
1667 | ||
1668 | out: | |
1669 | mutex_unlock(&dev->mode_config.mutex); | |
1670 | return ret; | |
1671 | } | |
1672 | ||
1673 | /** | |
1674 | * drm_mode_setplane - set up or tear down an plane | |
1675 | * @dev: DRM device | |
1676 | * @data: ioctl data* | |
1677 | * @file_prive: DRM file info | |
1678 | * | |
b20f3867 SH |
1679 | * LOCKING: |
1680 | * Takes mode config lock. | |
1681 | * | |
8cf5c917 JB |
1682 | * Set plane info, including placement, fb, scaling, and other factors. |
1683 | * Or pass a NULL fb to disable. | |
1684 | */ | |
1685 | int drm_mode_setplane(struct drm_device *dev, void *data, | |
1686 | struct drm_file *file_priv) | |
1687 | { | |
1688 | struct drm_mode_set_plane *plane_req = data; | |
1689 | struct drm_mode_object *obj; | |
1690 | struct drm_plane *plane; | |
1691 | struct drm_crtc *crtc; | |
1692 | struct drm_framebuffer *fb; | |
1693 | int ret = 0; | |
42ef8789 | 1694 | unsigned int fb_width, fb_height; |
62443be6 | 1695 | int i; |
8cf5c917 JB |
1696 | |
1697 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) | |
1698 | return -EINVAL; | |
1699 | ||
1700 | mutex_lock(&dev->mode_config.mutex); | |
1701 | ||
1702 | /* | |
1703 | * First, find the plane, crtc, and fb objects. If not available, | |
1704 | * we don't bother to call the driver. | |
1705 | */ | |
1706 | obj = drm_mode_object_find(dev, plane_req->plane_id, | |
1707 | DRM_MODE_OBJECT_PLANE); | |
1708 | if (!obj) { | |
1709 | DRM_DEBUG_KMS("Unknown plane ID %d\n", | |
1710 | plane_req->plane_id); | |
1711 | ret = -ENOENT; | |
1712 | goto out; | |
1713 | } | |
1714 | plane = obj_to_plane(obj); | |
1715 | ||
1716 | /* No fb means shut it down */ | |
1717 | if (!plane_req->fb_id) { | |
1718 | plane->funcs->disable_plane(plane); | |
e5e3b44c VS |
1719 | plane->crtc = NULL; |
1720 | plane->fb = NULL; | |
8cf5c917 JB |
1721 | goto out; |
1722 | } | |
1723 | ||
1724 | obj = drm_mode_object_find(dev, plane_req->crtc_id, | |
1725 | DRM_MODE_OBJECT_CRTC); | |
1726 | if (!obj) { | |
1727 | DRM_DEBUG_KMS("Unknown crtc ID %d\n", | |
1728 | plane_req->crtc_id); | |
1729 | ret = -ENOENT; | |
1730 | goto out; | |
1731 | } | |
1732 | crtc = obj_to_crtc(obj); | |
1733 | ||
1734 | obj = drm_mode_object_find(dev, plane_req->fb_id, | |
1735 | DRM_MODE_OBJECT_FB); | |
1736 | if (!obj) { | |
1737 | DRM_DEBUG_KMS("Unknown framebuffer ID %d\n", | |
1738 | plane_req->fb_id); | |
1739 | ret = -ENOENT; | |
1740 | goto out; | |
1741 | } | |
1742 | fb = obj_to_fb(obj); | |
1743 | ||
62443be6 VS |
1744 | /* Check whether this plane supports the fb pixel format. */ |
1745 | for (i = 0; i < plane->format_count; i++) | |
1746 | if (fb->pixel_format == plane->format_types[i]) | |
1747 | break; | |
1748 | if (i == plane->format_count) { | |
1749 | DRM_DEBUG_KMS("Invalid pixel format 0x%08x\n", fb->pixel_format); | |
1750 | ret = -EINVAL; | |
1751 | goto out; | |
1752 | } | |
1753 | ||
42ef8789 VS |
1754 | fb_width = fb->width << 16; |
1755 | fb_height = fb->height << 16; | |
1756 | ||
1757 | /* Make sure source coordinates are inside the fb. */ | |
1758 | if (plane_req->src_w > fb_width || | |
1759 | plane_req->src_x > fb_width - plane_req->src_w || | |
1760 | plane_req->src_h > fb_height || | |
1761 | plane_req->src_y > fb_height - plane_req->src_h) { | |
1762 | DRM_DEBUG_KMS("Invalid source coordinates " | |
1763 | "%u.%06ux%u.%06u+%u.%06u+%u.%06u\n", | |
1764 | plane_req->src_w >> 16, | |
1765 | ((plane_req->src_w & 0xffff) * 15625) >> 10, | |
1766 | plane_req->src_h >> 16, | |
1767 | ((plane_req->src_h & 0xffff) * 15625) >> 10, | |
1768 | plane_req->src_x >> 16, | |
1769 | ((plane_req->src_x & 0xffff) * 15625) >> 10, | |
1770 | plane_req->src_y >> 16, | |
1771 | ((plane_req->src_y & 0xffff) * 15625) >> 10); | |
1772 | ret = -ENOSPC; | |
1773 | goto out; | |
1774 | } | |
1775 | ||
687a0400 VS |
1776 | /* Give drivers some help against integer overflows */ |
1777 | if (plane_req->crtc_w > INT_MAX || | |
1778 | plane_req->crtc_x > INT_MAX - (int32_t) plane_req->crtc_w || | |
1779 | plane_req->crtc_h > INT_MAX || | |
1780 | plane_req->crtc_y > INT_MAX - (int32_t) plane_req->crtc_h) { | |
1781 | DRM_DEBUG_KMS("Invalid CRTC coordinates %ux%u+%d+%d\n", | |
1782 | plane_req->crtc_w, plane_req->crtc_h, | |
1783 | plane_req->crtc_x, plane_req->crtc_y); | |
1784 | ret = -ERANGE; | |
1785 | goto out; | |
1786 | } | |
1787 | ||
8cf5c917 JB |
1788 | ret = plane->funcs->update_plane(plane, crtc, fb, |
1789 | plane_req->crtc_x, plane_req->crtc_y, | |
1790 | plane_req->crtc_w, plane_req->crtc_h, | |
1791 | plane_req->src_x, plane_req->src_y, | |
1792 | plane_req->src_w, plane_req->src_h); | |
1793 | if (!ret) { | |
1794 | plane->crtc = crtc; | |
1795 | plane->fb = fb; | |
1796 | } | |
1797 | ||
1798 | out: | |
1799 | mutex_unlock(&dev->mode_config.mutex); | |
1800 | ||
1801 | return ret; | |
1802 | } | |
1803 | ||
f453ba04 DA |
1804 | /** |
1805 | * drm_mode_setcrtc - set CRTC configuration | |
1806 | * @inode: inode from the ioctl | |
1807 | * @filp: file * from the ioctl | |
1808 | * @cmd: cmd from ioctl | |
1809 | * @arg: arg from ioctl | |
1810 | * | |
1811 | * LOCKING: | |
b20f3867 | 1812 | * Takes mode config lock. |
f453ba04 DA |
1813 | * |
1814 | * Build a new CRTC configuration based on user request. | |
1815 | * | |
1816 | * Called by the user via ioctl. | |
1817 | * | |
1818 | * RETURNS: | |
1819 | * Zero on success, errno on failure. | |
1820 | */ | |
1821 | int drm_mode_setcrtc(struct drm_device *dev, void *data, | |
1822 | struct drm_file *file_priv) | |
1823 | { | |
1824 | struct drm_mode_config *config = &dev->mode_config; | |
1825 | struct drm_mode_crtc *crtc_req = data; | |
1826 | struct drm_mode_object *obj; | |
6653cc8d | 1827 | struct drm_crtc *crtc; |
f453ba04 DA |
1828 | struct drm_connector **connector_set = NULL, *connector; |
1829 | struct drm_framebuffer *fb = NULL; | |
1830 | struct drm_display_mode *mode = NULL; | |
1831 | struct drm_mode_set set; | |
1832 | uint32_t __user *set_connectors_ptr; | |
1833 | int ret = 0; | |
1834 | int i; | |
1835 | ||
fb3b06c8 DA |
1836 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
1837 | return -EINVAL; | |
1838 | ||
1d97e915 VS |
1839 | /* For some reason crtc x/y offsets are signed internally. */ |
1840 | if (crtc_req->x > INT_MAX || crtc_req->y > INT_MAX) | |
1841 | return -ERANGE; | |
1842 | ||
f453ba04 DA |
1843 | mutex_lock(&dev->mode_config.mutex); |
1844 | obj = drm_mode_object_find(dev, crtc_req->crtc_id, | |
1845 | DRM_MODE_OBJECT_CRTC); | |
1846 | if (!obj) { | |
58367ed6 | 1847 | DRM_DEBUG_KMS("Unknown CRTC ID %d\n", crtc_req->crtc_id); |
f453ba04 DA |
1848 | ret = -EINVAL; |
1849 | goto out; | |
1850 | } | |
1851 | crtc = obj_to_crtc(obj); | |
9440106b | 1852 | DRM_DEBUG_KMS("[CRTC:%d]\n", crtc->base.id); |
f453ba04 DA |
1853 | |
1854 | if (crtc_req->mode_valid) { | |
1855 | /* If we have a mode we need a framebuffer. */ | |
1856 | /* If we pass -1, set the mode with the currently bound fb */ | |
1857 | if (crtc_req->fb_id == -1) { | |
6653cc8d VS |
1858 | if (!crtc->fb) { |
1859 | DRM_DEBUG_KMS("CRTC doesn't have current FB\n"); | |
1860 | ret = -EINVAL; | |
1861 | goto out; | |
f453ba04 | 1862 | } |
6653cc8d | 1863 | fb = crtc->fb; |
f453ba04 DA |
1864 | } else { |
1865 | obj = drm_mode_object_find(dev, crtc_req->fb_id, | |
1866 | DRM_MODE_OBJECT_FB); | |
1867 | if (!obj) { | |
58367ed6 ZY |
1868 | DRM_DEBUG_KMS("Unknown FB ID%d\n", |
1869 | crtc_req->fb_id); | |
f453ba04 DA |
1870 | ret = -EINVAL; |
1871 | goto out; | |
1872 | } | |
1873 | fb = obj_to_fb(obj); | |
1874 | } | |
1875 | ||
1876 | mode = drm_mode_create(dev); | |
ee34ab5b VS |
1877 | if (!mode) { |
1878 | ret = -ENOMEM; | |
1879 | goto out; | |
1880 | } | |
1881 | ||
90367bf6 VS |
1882 | ret = drm_crtc_convert_umode(mode, &crtc_req->mode); |
1883 | if (ret) { | |
1884 | DRM_DEBUG_KMS("Invalid mode\n"); | |
1885 | goto out; | |
1886 | } | |
1887 | ||
f453ba04 | 1888 | drm_mode_set_crtcinfo(mode, CRTC_INTERLACE_HALVE_V); |
5f61bb42 VS |
1889 | |
1890 | if (mode->hdisplay > fb->width || | |
1891 | mode->vdisplay > fb->height || | |
1892 | crtc_req->x > fb->width - mode->hdisplay || | |
1893 | crtc_req->y > fb->height - mode->vdisplay) { | |
1894 | DRM_DEBUG_KMS("Invalid CRTC viewport %ux%u+%u+%u for fb size %ux%u.\n", | |
1895 | mode->hdisplay, mode->vdisplay, | |
1896 | crtc_req->x, crtc_req->y, | |
1897 | fb->width, fb->height); | |
1898 | ret = -ENOSPC; | |
1899 | goto out; | |
1900 | } | |
f453ba04 DA |
1901 | } |
1902 | ||
1903 | if (crtc_req->count_connectors == 0 && mode) { | |
58367ed6 | 1904 | DRM_DEBUG_KMS("Count connectors is 0 but mode set\n"); |
f453ba04 DA |
1905 | ret = -EINVAL; |
1906 | goto out; | |
1907 | } | |
1908 | ||
7781de74 | 1909 | if (crtc_req->count_connectors > 0 && (!mode || !fb)) { |
58367ed6 | 1910 | DRM_DEBUG_KMS("Count connectors is %d but no mode or fb set\n", |
f453ba04 DA |
1911 | crtc_req->count_connectors); |
1912 | ret = -EINVAL; | |
1913 | goto out; | |
1914 | } | |
1915 | ||
1916 | if (crtc_req->count_connectors > 0) { | |
1917 | u32 out_id; | |
1918 | ||
1919 | /* Avoid unbounded kernel memory allocation */ | |
1920 | if (crtc_req->count_connectors > config->num_connector) { | |
1921 | ret = -EINVAL; | |
1922 | goto out; | |
1923 | } | |
1924 | ||
1925 | connector_set = kmalloc(crtc_req->count_connectors * | |
1926 | sizeof(struct drm_connector *), | |
1927 | GFP_KERNEL); | |
1928 | if (!connector_set) { | |
1929 | ret = -ENOMEM; | |
1930 | goto out; | |
1931 | } | |
1932 | ||
1933 | for (i = 0; i < crtc_req->count_connectors; i++) { | |
81f6c7f8 | 1934 | set_connectors_ptr = (uint32_t __user *)(unsigned long)crtc_req->set_connectors_ptr; |
f453ba04 DA |
1935 | if (get_user(out_id, &set_connectors_ptr[i])) { |
1936 | ret = -EFAULT; | |
1937 | goto out; | |
1938 | } | |
1939 | ||
1940 | obj = drm_mode_object_find(dev, out_id, | |
1941 | DRM_MODE_OBJECT_CONNECTOR); | |
1942 | if (!obj) { | |
58367ed6 ZY |
1943 | DRM_DEBUG_KMS("Connector id %d unknown\n", |
1944 | out_id); | |
f453ba04 DA |
1945 | ret = -EINVAL; |
1946 | goto out; | |
1947 | } | |
1948 | connector = obj_to_connector(obj); | |
9440106b JG |
1949 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", |
1950 | connector->base.id, | |
1951 | drm_get_connector_name(connector)); | |
f453ba04 DA |
1952 | |
1953 | connector_set[i] = connector; | |
1954 | } | |
1955 | } | |
1956 | ||
1957 | set.crtc = crtc; | |
1958 | set.x = crtc_req->x; | |
1959 | set.y = crtc_req->y; | |
1960 | set.mode = mode; | |
1961 | set.connectors = connector_set; | |
1962 | set.num_connectors = crtc_req->count_connectors; | |
5ef5f72f | 1963 | set.fb = fb; |
f453ba04 DA |
1964 | ret = crtc->funcs->set_config(&set); |
1965 | ||
1966 | out: | |
1967 | kfree(connector_set); | |
ee34ab5b | 1968 | drm_mode_destroy(dev, mode); |
f453ba04 DA |
1969 | mutex_unlock(&dev->mode_config.mutex); |
1970 | return ret; | |
1971 | } | |
1972 | ||
1973 | int drm_mode_cursor_ioctl(struct drm_device *dev, | |
1974 | void *data, struct drm_file *file_priv) | |
1975 | { | |
1976 | struct drm_mode_cursor *req = data; | |
1977 | struct drm_mode_object *obj; | |
1978 | struct drm_crtc *crtc; | |
1979 | int ret = 0; | |
1980 | ||
fb3b06c8 DA |
1981 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
1982 | return -EINVAL; | |
1983 | ||
acb4b992 | 1984 | if (!req->flags) |
f453ba04 | 1985 | return -EINVAL; |
f453ba04 DA |
1986 | |
1987 | mutex_lock(&dev->mode_config.mutex); | |
e0c8463a | 1988 | obj = drm_mode_object_find(dev, req->crtc_id, DRM_MODE_OBJECT_CRTC); |
f453ba04 | 1989 | if (!obj) { |
58367ed6 | 1990 | DRM_DEBUG_KMS("Unknown CRTC ID %d\n", req->crtc_id); |
f453ba04 DA |
1991 | ret = -EINVAL; |
1992 | goto out; | |
1993 | } | |
1994 | crtc = obj_to_crtc(obj); | |
1995 | ||
1996 | if (req->flags & DRM_MODE_CURSOR_BO) { | |
1997 | if (!crtc->funcs->cursor_set) { | |
f453ba04 DA |
1998 | ret = -ENXIO; |
1999 | goto out; | |
2000 | } | |
2001 | /* Turns off the cursor if handle is 0 */ | |
2002 | ret = crtc->funcs->cursor_set(crtc, file_priv, req->handle, | |
2003 | req->width, req->height); | |
2004 | } | |
2005 | ||
2006 | if (req->flags & DRM_MODE_CURSOR_MOVE) { | |
2007 | if (crtc->funcs->cursor_move) { | |
2008 | ret = crtc->funcs->cursor_move(crtc, req->x, req->y); | |
2009 | } else { | |
f453ba04 DA |
2010 | ret = -EFAULT; |
2011 | goto out; | |
2012 | } | |
2013 | } | |
2014 | out: | |
2015 | mutex_unlock(&dev->mode_config.mutex); | |
2016 | return ret; | |
2017 | } | |
2018 | ||
308e5bcb JB |
2019 | /* Original addfb only supported RGB formats, so figure out which one */ |
2020 | uint32_t drm_mode_legacy_fb_format(uint32_t bpp, uint32_t depth) | |
2021 | { | |
2022 | uint32_t fmt; | |
2023 | ||
2024 | switch (bpp) { | |
2025 | case 8: | |
04b3924d | 2026 | fmt = DRM_FORMAT_RGB332; |
308e5bcb JB |
2027 | break; |
2028 | case 16: | |
2029 | if (depth == 15) | |
04b3924d | 2030 | fmt = DRM_FORMAT_XRGB1555; |
308e5bcb | 2031 | else |
04b3924d | 2032 | fmt = DRM_FORMAT_RGB565; |
308e5bcb JB |
2033 | break; |
2034 | case 24: | |
04b3924d | 2035 | fmt = DRM_FORMAT_RGB888; |
308e5bcb JB |
2036 | break; |
2037 | case 32: | |
2038 | if (depth == 24) | |
04b3924d | 2039 | fmt = DRM_FORMAT_XRGB8888; |
308e5bcb | 2040 | else if (depth == 30) |
04b3924d | 2041 | fmt = DRM_FORMAT_XRGB2101010; |
308e5bcb | 2042 | else |
04b3924d | 2043 | fmt = DRM_FORMAT_ARGB8888; |
308e5bcb JB |
2044 | break; |
2045 | default: | |
04b3924d VS |
2046 | DRM_ERROR("bad bpp, assuming x8r8g8b8 pixel format\n"); |
2047 | fmt = DRM_FORMAT_XRGB8888; | |
308e5bcb JB |
2048 | break; |
2049 | } | |
2050 | ||
2051 | return fmt; | |
2052 | } | |
2053 | EXPORT_SYMBOL(drm_mode_legacy_fb_format); | |
2054 | ||
f453ba04 DA |
2055 | /** |
2056 | * drm_mode_addfb - add an FB to the graphics configuration | |
2057 | * @inode: inode from the ioctl | |
2058 | * @filp: file * from the ioctl | |
2059 | * @cmd: cmd from ioctl | |
2060 | * @arg: arg from ioctl | |
2061 | * | |
2062 | * LOCKING: | |
2063 | * Takes mode config lock. | |
2064 | * | |
2065 | * Add a new FB to the specified CRTC, given a user request. | |
2066 | * | |
2067 | * Called by the user via ioctl. | |
2068 | * | |
2069 | * RETURNS: | |
2070 | * Zero on success, errno on failure. | |
2071 | */ | |
2072 | int drm_mode_addfb(struct drm_device *dev, | |
2073 | void *data, struct drm_file *file_priv) | |
2074 | { | |
308e5bcb JB |
2075 | struct drm_mode_fb_cmd *or = data; |
2076 | struct drm_mode_fb_cmd2 r = {}; | |
2077 | struct drm_mode_config *config = &dev->mode_config; | |
2078 | struct drm_framebuffer *fb; | |
2079 | int ret = 0; | |
2080 | ||
2081 | /* Use new struct with format internally */ | |
2082 | r.fb_id = or->fb_id; | |
2083 | r.width = or->width; | |
2084 | r.height = or->height; | |
2085 | r.pitches[0] = or->pitch; | |
2086 | r.pixel_format = drm_mode_legacy_fb_format(or->bpp, or->depth); | |
2087 | r.handles[0] = or->handle; | |
2088 | ||
2089 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) | |
2090 | return -EINVAL; | |
2091 | ||
acb4b992 | 2092 | if ((config->min_width > r.width) || (r.width > config->max_width)) |
308e5bcb | 2093 | return -EINVAL; |
acb4b992 JB |
2094 | |
2095 | if ((config->min_height > r.height) || (r.height > config->max_height)) | |
308e5bcb | 2096 | return -EINVAL; |
308e5bcb JB |
2097 | |
2098 | mutex_lock(&dev->mode_config.mutex); | |
2099 | ||
2100 | /* TODO check buffer is sufficiently large */ | |
2101 | /* TODO setup destructor callback */ | |
2102 | ||
2103 | fb = dev->mode_config.funcs->fb_create(dev, file_priv, &r); | |
2104 | if (IS_ERR(fb)) { | |
2105 | DRM_ERROR("could not create framebuffer\n"); | |
2106 | ret = PTR_ERR(fb); | |
2107 | goto out; | |
2108 | } | |
2109 | ||
2110 | or->fb_id = fb->base.id; | |
2111 | list_add(&fb->filp_head, &file_priv->fbs); | |
2112 | DRM_DEBUG_KMS("[FB:%d]\n", fb->base.id); | |
2113 | ||
2114 | out: | |
2115 | mutex_unlock(&dev->mode_config.mutex); | |
2116 | return ret; | |
2117 | } | |
2118 | ||
935b5977 VS |
2119 | static int format_check(struct drm_mode_fb_cmd2 *r) |
2120 | { | |
2121 | uint32_t format = r->pixel_format & ~DRM_FORMAT_BIG_ENDIAN; | |
2122 | ||
2123 | switch (format) { | |
2124 | case DRM_FORMAT_C8: | |
2125 | case DRM_FORMAT_RGB332: | |
2126 | case DRM_FORMAT_BGR233: | |
2127 | case DRM_FORMAT_XRGB4444: | |
2128 | case DRM_FORMAT_XBGR4444: | |
2129 | case DRM_FORMAT_RGBX4444: | |
2130 | case DRM_FORMAT_BGRX4444: | |
2131 | case DRM_FORMAT_ARGB4444: | |
2132 | case DRM_FORMAT_ABGR4444: | |
2133 | case DRM_FORMAT_RGBA4444: | |
2134 | case DRM_FORMAT_BGRA4444: | |
2135 | case DRM_FORMAT_XRGB1555: | |
2136 | case DRM_FORMAT_XBGR1555: | |
2137 | case DRM_FORMAT_RGBX5551: | |
2138 | case DRM_FORMAT_BGRX5551: | |
2139 | case DRM_FORMAT_ARGB1555: | |
2140 | case DRM_FORMAT_ABGR1555: | |
2141 | case DRM_FORMAT_RGBA5551: | |
2142 | case DRM_FORMAT_BGRA5551: | |
2143 | case DRM_FORMAT_RGB565: | |
2144 | case DRM_FORMAT_BGR565: | |
2145 | case DRM_FORMAT_RGB888: | |
2146 | case DRM_FORMAT_BGR888: | |
2147 | case DRM_FORMAT_XRGB8888: | |
2148 | case DRM_FORMAT_XBGR8888: | |
2149 | case DRM_FORMAT_RGBX8888: | |
2150 | case DRM_FORMAT_BGRX8888: | |
2151 | case DRM_FORMAT_ARGB8888: | |
2152 | case DRM_FORMAT_ABGR8888: | |
2153 | case DRM_FORMAT_RGBA8888: | |
2154 | case DRM_FORMAT_BGRA8888: | |
2155 | case DRM_FORMAT_XRGB2101010: | |
2156 | case DRM_FORMAT_XBGR2101010: | |
2157 | case DRM_FORMAT_RGBX1010102: | |
2158 | case DRM_FORMAT_BGRX1010102: | |
2159 | case DRM_FORMAT_ARGB2101010: | |
2160 | case DRM_FORMAT_ABGR2101010: | |
2161 | case DRM_FORMAT_RGBA1010102: | |
2162 | case DRM_FORMAT_BGRA1010102: | |
2163 | case DRM_FORMAT_YUYV: | |
2164 | case DRM_FORMAT_YVYU: | |
2165 | case DRM_FORMAT_UYVY: | |
2166 | case DRM_FORMAT_VYUY: | |
2167 | case DRM_FORMAT_AYUV: | |
2168 | case DRM_FORMAT_NV12: | |
2169 | case DRM_FORMAT_NV21: | |
2170 | case DRM_FORMAT_NV16: | |
2171 | case DRM_FORMAT_NV61: | |
2172 | case DRM_FORMAT_YUV410: | |
2173 | case DRM_FORMAT_YVU410: | |
2174 | case DRM_FORMAT_YUV411: | |
2175 | case DRM_FORMAT_YVU411: | |
2176 | case DRM_FORMAT_YUV420: | |
2177 | case DRM_FORMAT_YVU420: | |
2178 | case DRM_FORMAT_YUV422: | |
2179 | case DRM_FORMAT_YVU422: | |
2180 | case DRM_FORMAT_YUV444: | |
2181 | case DRM_FORMAT_YVU444: | |
2182 | return 0; | |
2183 | default: | |
2184 | return -EINVAL; | |
2185 | } | |
2186 | } | |
2187 | ||
d1b45d5f VS |
2188 | static int framebuffer_check(struct drm_mode_fb_cmd2 *r) |
2189 | { | |
2190 | int ret, hsub, vsub, num_planes, i; | |
2191 | ||
2192 | ret = format_check(r); | |
2193 | if (ret) { | |
2194 | DRM_ERROR("bad framebuffer format 0x%08x\n", r->pixel_format); | |
2195 | return ret; | |
2196 | } | |
2197 | ||
2198 | hsub = drm_format_horz_chroma_subsampling(r->pixel_format); | |
2199 | vsub = drm_format_vert_chroma_subsampling(r->pixel_format); | |
2200 | num_planes = drm_format_num_planes(r->pixel_format); | |
2201 | ||
2202 | if (r->width == 0 || r->width % hsub) { | |
2203 | DRM_ERROR("bad framebuffer width %u\n", r->height); | |
2204 | return -EINVAL; | |
2205 | } | |
2206 | ||
2207 | if (r->height == 0 || r->height % vsub) { | |
2208 | DRM_ERROR("bad framebuffer height %u\n", r->height); | |
2209 | return -EINVAL; | |
2210 | } | |
2211 | ||
2212 | for (i = 0; i < num_planes; i++) { | |
2213 | unsigned int width = r->width / (i != 0 ? hsub : 1); | |
2214 | ||
2215 | if (!r->handles[i]) { | |
2216 | DRM_ERROR("no buffer object handle for plane %d\n", i); | |
2217 | return -EINVAL; | |
2218 | } | |
2219 | ||
2220 | if (r->pitches[i] < drm_format_plane_cpp(r->pixel_format, i) * width) { | |
2221 | DRM_ERROR("bad pitch %u for plane %d\n", r->pitches[i], i); | |
2222 | return -EINVAL; | |
2223 | } | |
2224 | } | |
2225 | ||
2226 | return 0; | |
2227 | } | |
2228 | ||
308e5bcb JB |
2229 | /** |
2230 | * drm_mode_addfb2 - add an FB to the graphics configuration | |
2231 | * @inode: inode from the ioctl | |
2232 | * @filp: file * from the ioctl | |
2233 | * @cmd: cmd from ioctl | |
2234 | * @arg: arg from ioctl | |
2235 | * | |
2236 | * LOCKING: | |
2237 | * Takes mode config lock. | |
2238 | * | |
2239 | * Add a new FB to the specified CRTC, given a user request with format. | |
2240 | * | |
2241 | * Called by the user via ioctl. | |
2242 | * | |
2243 | * RETURNS: | |
2244 | * Zero on success, errno on failure. | |
2245 | */ | |
2246 | int drm_mode_addfb2(struct drm_device *dev, | |
2247 | void *data, struct drm_file *file_priv) | |
2248 | { | |
2249 | struct drm_mode_fb_cmd2 *r = data; | |
f453ba04 DA |
2250 | struct drm_mode_config *config = &dev->mode_config; |
2251 | struct drm_framebuffer *fb; | |
2252 | int ret = 0; | |
2253 | ||
fb3b06c8 DA |
2254 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2255 | return -EINVAL; | |
2256 | ||
f453ba04 | 2257 | if ((config->min_width > r->width) || (r->width > config->max_width)) { |
8cf5c917 JB |
2258 | DRM_ERROR("bad framebuffer width %d, should be >= %d && <= %d\n", |
2259 | r->width, config->min_width, config->max_width); | |
f453ba04 DA |
2260 | return -EINVAL; |
2261 | } | |
2262 | if ((config->min_height > r->height) || (r->height > config->max_height)) { | |
8cf5c917 JB |
2263 | DRM_ERROR("bad framebuffer height %d, should be >= %d && <= %d\n", |
2264 | r->height, config->min_height, config->max_height); | |
f453ba04 DA |
2265 | return -EINVAL; |
2266 | } | |
2267 | ||
d1b45d5f VS |
2268 | ret = framebuffer_check(r); |
2269 | if (ret) | |
935b5977 | 2270 | return ret; |
935b5977 | 2271 | |
f453ba04 DA |
2272 | mutex_lock(&dev->mode_config.mutex); |
2273 | ||
f453ba04 | 2274 | fb = dev->mode_config.funcs->fb_create(dev, file_priv, r); |
cce13ff7 | 2275 | if (IS_ERR(fb)) { |
f453ba04 | 2276 | DRM_ERROR("could not create framebuffer\n"); |
cce13ff7 | 2277 | ret = PTR_ERR(fb); |
f453ba04 DA |
2278 | goto out; |
2279 | } | |
2280 | ||
e0c8463a | 2281 | r->fb_id = fb->base.id; |
f453ba04 | 2282 | list_add(&fb->filp_head, &file_priv->fbs); |
9440106b | 2283 | DRM_DEBUG_KMS("[FB:%d]\n", fb->base.id); |
f453ba04 DA |
2284 | |
2285 | out: | |
2286 | mutex_unlock(&dev->mode_config.mutex); | |
2287 | return ret; | |
2288 | } | |
2289 | ||
2290 | /** | |
2291 | * drm_mode_rmfb - remove an FB from the configuration | |
2292 | * @inode: inode from the ioctl | |
2293 | * @filp: file * from the ioctl | |
2294 | * @cmd: cmd from ioctl | |
2295 | * @arg: arg from ioctl | |
2296 | * | |
2297 | * LOCKING: | |
2298 | * Takes mode config lock. | |
2299 | * | |
2300 | * Remove the FB specified by the user. | |
2301 | * | |
2302 | * Called by the user via ioctl. | |
2303 | * | |
2304 | * RETURNS: | |
2305 | * Zero on success, errno on failure. | |
2306 | */ | |
2307 | int drm_mode_rmfb(struct drm_device *dev, | |
2308 | void *data, struct drm_file *file_priv) | |
2309 | { | |
2310 | struct drm_mode_object *obj; | |
2311 | struct drm_framebuffer *fb = NULL; | |
2312 | struct drm_framebuffer *fbl = NULL; | |
2313 | uint32_t *id = data; | |
2314 | int ret = 0; | |
2315 | int found = 0; | |
2316 | ||
fb3b06c8 DA |
2317 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2318 | return -EINVAL; | |
2319 | ||
f453ba04 DA |
2320 | mutex_lock(&dev->mode_config.mutex); |
2321 | obj = drm_mode_object_find(dev, *id, DRM_MODE_OBJECT_FB); | |
25985edc | 2322 | /* TODO check that we really get a framebuffer back. */ |
f453ba04 | 2323 | if (!obj) { |
f453ba04 DA |
2324 | ret = -EINVAL; |
2325 | goto out; | |
2326 | } | |
2327 | fb = obj_to_fb(obj); | |
2328 | ||
2329 | list_for_each_entry(fbl, &file_priv->fbs, filp_head) | |
2330 | if (fb == fbl) | |
2331 | found = 1; | |
2332 | ||
2333 | if (!found) { | |
f453ba04 DA |
2334 | ret = -EINVAL; |
2335 | goto out; | |
2336 | } | |
2337 | ||
2338 | /* TODO release all crtc connected to the framebuffer */ | |
2339 | /* TODO unhock the destructor from the buffer object */ | |
2340 | ||
2341 | list_del(&fb->filp_head); | |
2342 | fb->funcs->destroy(fb); | |
2343 | ||
2344 | out: | |
2345 | mutex_unlock(&dev->mode_config.mutex); | |
2346 | return ret; | |
2347 | } | |
2348 | ||
2349 | /** | |
2350 | * drm_mode_getfb - get FB info | |
2351 | * @inode: inode from the ioctl | |
2352 | * @filp: file * from the ioctl | |
2353 | * @cmd: cmd from ioctl | |
2354 | * @arg: arg from ioctl | |
2355 | * | |
2356 | * LOCKING: | |
b20f3867 | 2357 | * Takes mode config lock. |
f453ba04 DA |
2358 | * |
2359 | * Lookup the FB given its ID and return info about it. | |
2360 | * | |
2361 | * Called by the user via ioctl. | |
2362 | * | |
2363 | * RETURNS: | |
2364 | * Zero on success, errno on failure. | |
2365 | */ | |
2366 | int drm_mode_getfb(struct drm_device *dev, | |
2367 | void *data, struct drm_file *file_priv) | |
2368 | { | |
2369 | struct drm_mode_fb_cmd *r = data; | |
2370 | struct drm_mode_object *obj; | |
2371 | struct drm_framebuffer *fb; | |
2372 | int ret = 0; | |
2373 | ||
fb3b06c8 DA |
2374 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2375 | return -EINVAL; | |
2376 | ||
f453ba04 | 2377 | mutex_lock(&dev->mode_config.mutex); |
e0c8463a | 2378 | obj = drm_mode_object_find(dev, r->fb_id, DRM_MODE_OBJECT_FB); |
f453ba04 | 2379 | if (!obj) { |
f453ba04 DA |
2380 | ret = -EINVAL; |
2381 | goto out; | |
2382 | } | |
2383 | fb = obj_to_fb(obj); | |
2384 | ||
2385 | r->height = fb->height; | |
2386 | r->width = fb->width; | |
2387 | r->depth = fb->depth; | |
2388 | r->bpp = fb->bits_per_pixel; | |
01f2c773 | 2389 | r->pitch = fb->pitches[0]; |
f453ba04 DA |
2390 | fb->funcs->create_handle(fb, file_priv, &r->handle); |
2391 | ||
2392 | out: | |
2393 | mutex_unlock(&dev->mode_config.mutex); | |
2394 | return ret; | |
2395 | } | |
2396 | ||
884840aa JB |
2397 | int drm_mode_dirtyfb_ioctl(struct drm_device *dev, |
2398 | void *data, struct drm_file *file_priv) | |
2399 | { | |
2400 | struct drm_clip_rect __user *clips_ptr; | |
2401 | struct drm_clip_rect *clips = NULL; | |
2402 | struct drm_mode_fb_dirty_cmd *r = data; | |
2403 | struct drm_mode_object *obj; | |
2404 | struct drm_framebuffer *fb; | |
2405 | unsigned flags; | |
2406 | int num_clips; | |
2407 | int ret = 0; | |
2408 | ||
fb3b06c8 DA |
2409 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2410 | return -EINVAL; | |
2411 | ||
884840aa JB |
2412 | mutex_lock(&dev->mode_config.mutex); |
2413 | obj = drm_mode_object_find(dev, r->fb_id, DRM_MODE_OBJECT_FB); | |
2414 | if (!obj) { | |
884840aa JB |
2415 | ret = -EINVAL; |
2416 | goto out_err1; | |
2417 | } | |
2418 | fb = obj_to_fb(obj); | |
2419 | ||
2420 | num_clips = r->num_clips; | |
81f6c7f8 | 2421 | clips_ptr = (struct drm_clip_rect __user *)(unsigned long)r->clips_ptr; |
884840aa JB |
2422 | |
2423 | if (!num_clips != !clips_ptr) { | |
2424 | ret = -EINVAL; | |
2425 | goto out_err1; | |
2426 | } | |
2427 | ||
2428 | flags = DRM_MODE_FB_DIRTY_FLAGS & r->flags; | |
2429 | ||
2430 | /* If userspace annotates copy, clips must come in pairs */ | |
2431 | if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY && (num_clips % 2)) { | |
2432 | ret = -EINVAL; | |
2433 | goto out_err1; | |
2434 | } | |
2435 | ||
2436 | if (num_clips && clips_ptr) { | |
a5cd3351 XW |
2437 | if (num_clips < 0 || num_clips > DRM_MODE_FB_DIRTY_MAX_CLIPS) { |
2438 | ret = -EINVAL; | |
2439 | goto out_err1; | |
2440 | } | |
884840aa JB |
2441 | clips = kzalloc(num_clips * sizeof(*clips), GFP_KERNEL); |
2442 | if (!clips) { | |
2443 | ret = -ENOMEM; | |
2444 | goto out_err1; | |
2445 | } | |
2446 | ||
2447 | ret = copy_from_user(clips, clips_ptr, | |
2448 | num_clips * sizeof(*clips)); | |
e902a358 DC |
2449 | if (ret) { |
2450 | ret = -EFAULT; | |
884840aa | 2451 | goto out_err2; |
e902a358 | 2452 | } |
884840aa JB |
2453 | } |
2454 | ||
2455 | if (fb->funcs->dirty) { | |
02b00162 TH |
2456 | ret = fb->funcs->dirty(fb, file_priv, flags, r->color, |
2457 | clips, num_clips); | |
884840aa JB |
2458 | } else { |
2459 | ret = -ENOSYS; | |
2460 | goto out_err2; | |
2461 | } | |
2462 | ||
2463 | out_err2: | |
2464 | kfree(clips); | |
2465 | out_err1: | |
2466 | mutex_unlock(&dev->mode_config.mutex); | |
2467 | return ret; | |
2468 | } | |
2469 | ||
2470 | ||
f453ba04 DA |
2471 | /** |
2472 | * drm_fb_release - remove and free the FBs on this file | |
2473 | * @filp: file * from the ioctl | |
2474 | * | |
2475 | * LOCKING: | |
2476 | * Takes mode config lock. | |
2477 | * | |
2478 | * Destroy all the FBs associated with @filp. | |
2479 | * | |
2480 | * Called by the user via ioctl. | |
2481 | * | |
2482 | * RETURNS: | |
2483 | * Zero on success, errno on failure. | |
2484 | */ | |
ea39f835 | 2485 | void drm_fb_release(struct drm_file *priv) |
f453ba04 | 2486 | { |
f453ba04 DA |
2487 | struct drm_device *dev = priv->minor->dev; |
2488 | struct drm_framebuffer *fb, *tfb; | |
2489 | ||
2490 | mutex_lock(&dev->mode_config.mutex); | |
2491 | list_for_each_entry_safe(fb, tfb, &priv->fbs, filp_head) { | |
2492 | list_del(&fb->filp_head); | |
2493 | fb->funcs->destroy(fb); | |
2494 | } | |
2495 | mutex_unlock(&dev->mode_config.mutex); | |
2496 | } | |
2497 | ||
2498 | /** | |
2499 | * drm_mode_attachmode - add a mode to the user mode list | |
2500 | * @dev: DRM device | |
2501 | * @connector: connector to add the mode to | |
2502 | * @mode: mode to add | |
2503 | * | |
2504 | * Add @mode to @connector's user mode list. | |
2505 | */ | |
1dd6c8bd VS |
2506 | static void drm_mode_attachmode(struct drm_device *dev, |
2507 | struct drm_connector *connector, | |
2508 | struct drm_display_mode *mode) | |
f453ba04 | 2509 | { |
f453ba04 | 2510 | list_add_tail(&mode->head, &connector->user_modes); |
f453ba04 DA |
2511 | } |
2512 | ||
2513 | int drm_mode_attachmode_crtc(struct drm_device *dev, struct drm_crtc *crtc, | |
ac235daf | 2514 | const struct drm_display_mode *mode) |
f453ba04 DA |
2515 | { |
2516 | struct drm_connector *connector; | |
ac235daf VS |
2517 | int ret = 0; |
2518 | struct drm_display_mode *dup_mode, *next; | |
2519 | LIST_HEAD(list); | |
2520 | ||
f453ba04 DA |
2521 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { |
2522 | if (!connector->encoder) | |
ac235daf | 2523 | continue; |
f453ba04 | 2524 | if (connector->encoder->crtc == crtc) { |
ac235daf VS |
2525 | dup_mode = drm_mode_duplicate(dev, mode); |
2526 | if (!dup_mode) { | |
2527 | ret = -ENOMEM; | |
2528 | goto out; | |
2529 | } | |
2530 | list_add_tail(&dup_mode->head, &list); | |
f453ba04 DA |
2531 | } |
2532 | } | |
ac235daf VS |
2533 | |
2534 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { | |
2535 | if (!connector->encoder) | |
2536 | continue; | |
2537 | if (connector->encoder->crtc == crtc) | |
2538 | list_move_tail(list.next, &connector->user_modes); | |
2539 | } | |
2540 | ||
2541 | WARN_ON(!list_empty(&list)); | |
2542 | ||
2543 | out: | |
2544 | list_for_each_entry_safe(dup_mode, next, &list, head) | |
2545 | drm_mode_destroy(dev, dup_mode); | |
2546 | ||
2547 | return ret; | |
f453ba04 DA |
2548 | } |
2549 | EXPORT_SYMBOL(drm_mode_attachmode_crtc); | |
2550 | ||
2551 | static int drm_mode_detachmode(struct drm_device *dev, | |
2552 | struct drm_connector *connector, | |
2553 | struct drm_display_mode *mode) | |
2554 | { | |
2555 | int found = 0; | |
2556 | int ret = 0; | |
2557 | struct drm_display_mode *match_mode, *t; | |
2558 | ||
2559 | list_for_each_entry_safe(match_mode, t, &connector->user_modes, head) { | |
2560 | if (drm_mode_equal(match_mode, mode)) { | |
2561 | list_del(&match_mode->head); | |
2562 | drm_mode_destroy(dev, match_mode); | |
2563 | found = 1; | |
2564 | break; | |
2565 | } | |
2566 | } | |
2567 | ||
2568 | if (!found) | |
2569 | ret = -EINVAL; | |
2570 | ||
2571 | return ret; | |
2572 | } | |
2573 | ||
2574 | int drm_mode_detachmode_crtc(struct drm_device *dev, struct drm_display_mode *mode) | |
2575 | { | |
2576 | struct drm_connector *connector; | |
2577 | ||
2578 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { | |
2579 | drm_mode_detachmode(dev, connector, mode); | |
2580 | } | |
2581 | return 0; | |
2582 | } | |
2583 | EXPORT_SYMBOL(drm_mode_detachmode_crtc); | |
2584 | ||
2585 | /** | |
2586 | * drm_fb_attachmode - Attach a user mode to an connector | |
2587 | * @inode: inode from the ioctl | |
2588 | * @filp: file * from the ioctl | |
2589 | * @cmd: cmd from ioctl | |
2590 | * @arg: arg from ioctl | |
2591 | * | |
2592 | * This attaches a user specified mode to an connector. | |
2593 | * Called by the user via ioctl. | |
2594 | * | |
2595 | * RETURNS: | |
2596 | * Zero on success, errno on failure. | |
2597 | */ | |
2598 | int drm_mode_attachmode_ioctl(struct drm_device *dev, | |
2599 | void *data, struct drm_file *file_priv) | |
2600 | { | |
2601 | struct drm_mode_mode_cmd *mode_cmd = data; | |
2602 | struct drm_connector *connector; | |
2603 | struct drm_display_mode *mode; | |
2604 | struct drm_mode_object *obj; | |
2605 | struct drm_mode_modeinfo *umode = &mode_cmd->mode; | |
2606 | int ret = 0; | |
2607 | ||
fb3b06c8 DA |
2608 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2609 | return -EINVAL; | |
2610 | ||
f453ba04 DA |
2611 | mutex_lock(&dev->mode_config.mutex); |
2612 | ||
2613 | obj = drm_mode_object_find(dev, mode_cmd->connector_id, DRM_MODE_OBJECT_CONNECTOR); | |
2614 | if (!obj) { | |
2615 | ret = -EINVAL; | |
2616 | goto out; | |
2617 | } | |
2618 | connector = obj_to_connector(obj); | |
2619 | ||
2620 | mode = drm_mode_create(dev); | |
2621 | if (!mode) { | |
2622 | ret = -ENOMEM; | |
2623 | goto out; | |
2624 | } | |
2625 | ||
90367bf6 VS |
2626 | ret = drm_crtc_convert_umode(mode, umode); |
2627 | if (ret) { | |
2628 | DRM_DEBUG_KMS("Invalid mode\n"); | |
2629 | drm_mode_destroy(dev, mode); | |
2630 | goto out; | |
2631 | } | |
f453ba04 | 2632 | |
1dd6c8bd | 2633 | drm_mode_attachmode(dev, connector, mode); |
f453ba04 DA |
2634 | out: |
2635 | mutex_unlock(&dev->mode_config.mutex); | |
2636 | return ret; | |
2637 | } | |
2638 | ||
2639 | ||
2640 | /** | |
2641 | * drm_fb_detachmode - Detach a user specified mode from an connector | |
2642 | * @inode: inode from the ioctl | |
2643 | * @filp: file * from the ioctl | |
2644 | * @cmd: cmd from ioctl | |
2645 | * @arg: arg from ioctl | |
2646 | * | |
2647 | * Called by the user via ioctl. | |
2648 | * | |
2649 | * RETURNS: | |
2650 | * Zero on success, errno on failure. | |
2651 | */ | |
2652 | int drm_mode_detachmode_ioctl(struct drm_device *dev, | |
2653 | void *data, struct drm_file *file_priv) | |
2654 | { | |
2655 | struct drm_mode_object *obj; | |
2656 | struct drm_mode_mode_cmd *mode_cmd = data; | |
2657 | struct drm_connector *connector; | |
2658 | struct drm_display_mode mode; | |
2659 | struct drm_mode_modeinfo *umode = &mode_cmd->mode; | |
2660 | int ret = 0; | |
2661 | ||
fb3b06c8 DA |
2662 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2663 | return -EINVAL; | |
2664 | ||
f453ba04 DA |
2665 | mutex_lock(&dev->mode_config.mutex); |
2666 | ||
2667 | obj = drm_mode_object_find(dev, mode_cmd->connector_id, DRM_MODE_OBJECT_CONNECTOR); | |
2668 | if (!obj) { | |
2669 | ret = -EINVAL; | |
2670 | goto out; | |
2671 | } | |
2672 | connector = obj_to_connector(obj); | |
2673 | ||
90367bf6 VS |
2674 | ret = drm_crtc_convert_umode(&mode, umode); |
2675 | if (ret) { | |
2676 | DRM_DEBUG_KMS("Invalid mode\n"); | |
2677 | goto out; | |
2678 | } | |
2679 | ||
f453ba04 DA |
2680 | ret = drm_mode_detachmode(dev, connector, &mode); |
2681 | out: | |
2682 | mutex_unlock(&dev->mode_config.mutex); | |
2683 | return ret; | |
2684 | } | |
2685 | ||
2686 | struct drm_property *drm_property_create(struct drm_device *dev, int flags, | |
2687 | const char *name, int num_values) | |
2688 | { | |
2689 | struct drm_property *property = NULL; | |
6bfc56aa | 2690 | int ret; |
f453ba04 DA |
2691 | |
2692 | property = kzalloc(sizeof(struct drm_property), GFP_KERNEL); | |
2693 | if (!property) | |
2694 | return NULL; | |
2695 | ||
2696 | if (num_values) { | |
2697 | property->values = kzalloc(sizeof(uint64_t)*num_values, GFP_KERNEL); | |
2698 | if (!property->values) | |
2699 | goto fail; | |
2700 | } | |
2701 | ||
6bfc56aa VS |
2702 | ret = drm_mode_object_get(dev, &property->base, DRM_MODE_OBJECT_PROPERTY); |
2703 | if (ret) | |
2704 | goto fail; | |
2705 | ||
f453ba04 DA |
2706 | property->flags = flags; |
2707 | property->num_values = num_values; | |
2708 | INIT_LIST_HEAD(&property->enum_blob_list); | |
2709 | ||
471dd2ef | 2710 | if (name) { |
f453ba04 | 2711 | strncpy(property->name, name, DRM_PROP_NAME_LEN); |
471dd2ef VL |
2712 | property->name[DRM_PROP_NAME_LEN-1] = '\0'; |
2713 | } | |
f453ba04 DA |
2714 | |
2715 | list_add_tail(&property->head, &dev->mode_config.property_list); | |
2716 | return property; | |
2717 | fail: | |
6bfc56aa | 2718 | kfree(property->values); |
f453ba04 DA |
2719 | kfree(property); |
2720 | return NULL; | |
2721 | } | |
2722 | EXPORT_SYMBOL(drm_property_create); | |
2723 | ||
4a67d391 SH |
2724 | struct drm_property *drm_property_create_enum(struct drm_device *dev, int flags, |
2725 | const char *name, | |
2726 | const struct drm_prop_enum_list *props, | |
2727 | int num_values) | |
2728 | { | |
2729 | struct drm_property *property; | |
2730 | int i, ret; | |
2731 | ||
2732 | flags |= DRM_MODE_PROP_ENUM; | |
2733 | ||
2734 | property = drm_property_create(dev, flags, name, num_values); | |
2735 | if (!property) | |
2736 | return NULL; | |
2737 | ||
2738 | for (i = 0; i < num_values; i++) { | |
2739 | ret = drm_property_add_enum(property, i, | |
2740 | props[i].type, | |
2741 | props[i].name); | |
2742 | if (ret) { | |
2743 | drm_property_destroy(dev, property); | |
2744 | return NULL; | |
2745 | } | |
2746 | } | |
2747 | ||
2748 | return property; | |
2749 | } | |
2750 | EXPORT_SYMBOL(drm_property_create_enum); | |
2751 | ||
d9bc3c02 SH |
2752 | struct drm_property *drm_property_create_range(struct drm_device *dev, int flags, |
2753 | const char *name, | |
2754 | uint64_t min, uint64_t max) | |
2755 | { | |
2756 | struct drm_property *property; | |
2757 | ||
2758 | flags |= DRM_MODE_PROP_RANGE; | |
2759 | ||
2760 | property = drm_property_create(dev, flags, name, 2); | |
2761 | if (!property) | |
2762 | return NULL; | |
2763 | ||
2764 | property->values[0] = min; | |
2765 | property->values[1] = max; | |
2766 | ||
2767 | return property; | |
2768 | } | |
2769 | EXPORT_SYMBOL(drm_property_create_range); | |
2770 | ||
f453ba04 DA |
2771 | int drm_property_add_enum(struct drm_property *property, int index, |
2772 | uint64_t value, const char *name) | |
2773 | { | |
2774 | struct drm_property_enum *prop_enum; | |
2775 | ||
2776 | if (!(property->flags & DRM_MODE_PROP_ENUM)) | |
2777 | return -EINVAL; | |
2778 | ||
2779 | if (!list_empty(&property->enum_blob_list)) { | |
2780 | list_for_each_entry(prop_enum, &property->enum_blob_list, head) { | |
2781 | if (prop_enum->value == value) { | |
2782 | strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN); | |
2783 | prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0'; | |
2784 | return 0; | |
2785 | } | |
2786 | } | |
2787 | } | |
2788 | ||
2789 | prop_enum = kzalloc(sizeof(struct drm_property_enum), GFP_KERNEL); | |
2790 | if (!prop_enum) | |
2791 | return -ENOMEM; | |
2792 | ||
2793 | strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN); | |
2794 | prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0'; | |
2795 | prop_enum->value = value; | |
2796 | ||
2797 | property->values[index] = value; | |
2798 | list_add_tail(&prop_enum->head, &property->enum_blob_list); | |
2799 | return 0; | |
2800 | } | |
2801 | EXPORT_SYMBOL(drm_property_add_enum); | |
2802 | ||
2803 | void drm_property_destroy(struct drm_device *dev, struct drm_property *property) | |
2804 | { | |
2805 | struct drm_property_enum *prop_enum, *pt; | |
2806 | ||
2807 | list_for_each_entry_safe(prop_enum, pt, &property->enum_blob_list, head) { | |
2808 | list_del(&prop_enum->head); | |
2809 | kfree(prop_enum); | |
2810 | } | |
2811 | ||
2812 | if (property->num_values) | |
2813 | kfree(property->values); | |
2814 | drm_mode_object_put(dev, &property->base); | |
2815 | list_del(&property->head); | |
2816 | kfree(property); | |
2817 | } | |
2818 | EXPORT_SYMBOL(drm_property_destroy); | |
2819 | ||
2820 | int drm_connector_attach_property(struct drm_connector *connector, | |
2821 | struct drm_property *property, uint64_t init_val) | |
2822 | { | |
2823 | int i; | |
2824 | ||
2825 | for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) { | |
2826 | if (connector->property_ids[i] == 0) { | |
2827 | connector->property_ids[i] = property->base.id; | |
2828 | connector->property_values[i] = init_val; | |
2829 | break; | |
2830 | } | |
2831 | } | |
2832 | ||
2833 | if (i == DRM_CONNECTOR_MAX_PROPERTY) | |
2834 | return -EINVAL; | |
2835 | return 0; | |
2836 | } | |
2837 | EXPORT_SYMBOL(drm_connector_attach_property); | |
2838 | ||
2839 | int drm_connector_property_set_value(struct drm_connector *connector, | |
2840 | struct drm_property *property, uint64_t value) | |
2841 | { | |
2842 | int i; | |
2843 | ||
2844 | for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) { | |
2845 | if (connector->property_ids[i] == property->base.id) { | |
2846 | connector->property_values[i] = value; | |
2847 | break; | |
2848 | } | |
2849 | } | |
2850 | ||
2851 | if (i == DRM_CONNECTOR_MAX_PROPERTY) | |
2852 | return -EINVAL; | |
2853 | return 0; | |
2854 | } | |
2855 | EXPORT_SYMBOL(drm_connector_property_set_value); | |
2856 | ||
2857 | int drm_connector_property_get_value(struct drm_connector *connector, | |
2858 | struct drm_property *property, uint64_t *val) | |
2859 | { | |
2860 | int i; | |
2861 | ||
2862 | for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) { | |
2863 | if (connector->property_ids[i] == property->base.id) { | |
2864 | *val = connector->property_values[i]; | |
2865 | break; | |
2866 | } | |
2867 | } | |
2868 | ||
2869 | if (i == DRM_CONNECTOR_MAX_PROPERTY) | |
2870 | return -EINVAL; | |
2871 | return 0; | |
2872 | } | |
2873 | EXPORT_SYMBOL(drm_connector_property_get_value); | |
2874 | ||
2875 | int drm_mode_getproperty_ioctl(struct drm_device *dev, | |
2876 | void *data, struct drm_file *file_priv) | |
2877 | { | |
2878 | struct drm_mode_object *obj; | |
2879 | struct drm_mode_get_property *out_resp = data; | |
2880 | struct drm_property *property; | |
2881 | int enum_count = 0; | |
2882 | int blob_count = 0; | |
2883 | int value_count = 0; | |
2884 | int ret = 0, i; | |
2885 | int copied; | |
2886 | struct drm_property_enum *prop_enum; | |
2887 | struct drm_mode_property_enum __user *enum_ptr; | |
2888 | struct drm_property_blob *prop_blob; | |
81f6c7f8 | 2889 | uint32_t __user *blob_id_ptr; |
f453ba04 DA |
2890 | uint64_t __user *values_ptr; |
2891 | uint32_t __user *blob_length_ptr; | |
2892 | ||
fb3b06c8 DA |
2893 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2894 | return -EINVAL; | |
2895 | ||
f453ba04 DA |
2896 | mutex_lock(&dev->mode_config.mutex); |
2897 | obj = drm_mode_object_find(dev, out_resp->prop_id, DRM_MODE_OBJECT_PROPERTY); | |
2898 | if (!obj) { | |
2899 | ret = -EINVAL; | |
2900 | goto done; | |
2901 | } | |
2902 | property = obj_to_property(obj); | |
2903 | ||
2904 | if (property->flags & DRM_MODE_PROP_ENUM) { | |
2905 | list_for_each_entry(prop_enum, &property->enum_blob_list, head) | |
2906 | enum_count++; | |
2907 | } else if (property->flags & DRM_MODE_PROP_BLOB) { | |
2908 | list_for_each_entry(prop_blob, &property->enum_blob_list, head) | |
2909 | blob_count++; | |
2910 | } | |
2911 | ||
2912 | value_count = property->num_values; | |
2913 | ||
2914 | strncpy(out_resp->name, property->name, DRM_PROP_NAME_LEN); | |
2915 | out_resp->name[DRM_PROP_NAME_LEN-1] = 0; | |
2916 | out_resp->flags = property->flags; | |
2917 | ||
2918 | if ((out_resp->count_values >= value_count) && value_count) { | |
81f6c7f8 | 2919 | values_ptr = (uint64_t __user *)(unsigned long)out_resp->values_ptr; |
f453ba04 DA |
2920 | for (i = 0; i < value_count; i++) { |
2921 | if (copy_to_user(values_ptr + i, &property->values[i], sizeof(uint64_t))) { | |
2922 | ret = -EFAULT; | |
2923 | goto done; | |
2924 | } | |
2925 | } | |
2926 | } | |
2927 | out_resp->count_values = value_count; | |
2928 | ||
2929 | if (property->flags & DRM_MODE_PROP_ENUM) { | |
2930 | if ((out_resp->count_enum_blobs >= enum_count) && enum_count) { | |
2931 | copied = 0; | |
81f6c7f8 | 2932 | enum_ptr = (struct drm_mode_property_enum __user *)(unsigned long)out_resp->enum_blob_ptr; |
f453ba04 DA |
2933 | list_for_each_entry(prop_enum, &property->enum_blob_list, head) { |
2934 | ||
2935 | if (copy_to_user(&enum_ptr[copied].value, &prop_enum->value, sizeof(uint64_t))) { | |
2936 | ret = -EFAULT; | |
2937 | goto done; | |
2938 | } | |
2939 | ||
2940 | if (copy_to_user(&enum_ptr[copied].name, | |
2941 | &prop_enum->name, DRM_PROP_NAME_LEN)) { | |
2942 | ret = -EFAULT; | |
2943 | goto done; | |
2944 | } | |
2945 | copied++; | |
2946 | } | |
2947 | } | |
2948 | out_resp->count_enum_blobs = enum_count; | |
2949 | } | |
2950 | ||
2951 | if (property->flags & DRM_MODE_PROP_BLOB) { | |
2952 | if ((out_resp->count_enum_blobs >= blob_count) && blob_count) { | |
2953 | copied = 0; | |
81f6c7f8 VS |
2954 | blob_id_ptr = (uint32_t __user *)(unsigned long)out_resp->enum_blob_ptr; |
2955 | blob_length_ptr = (uint32_t __user *)(unsigned long)out_resp->values_ptr; | |
f453ba04 DA |
2956 | |
2957 | list_for_each_entry(prop_blob, &property->enum_blob_list, head) { | |
2958 | if (put_user(prop_blob->base.id, blob_id_ptr + copied)) { | |
2959 | ret = -EFAULT; | |
2960 | goto done; | |
2961 | } | |
2962 | ||
2963 | if (put_user(prop_blob->length, blob_length_ptr + copied)) { | |
2964 | ret = -EFAULT; | |
2965 | goto done; | |
2966 | } | |
2967 | ||
2968 | copied++; | |
2969 | } | |
2970 | } | |
2971 | out_resp->count_enum_blobs = blob_count; | |
2972 | } | |
2973 | done: | |
2974 | mutex_unlock(&dev->mode_config.mutex); | |
2975 | return ret; | |
2976 | } | |
2977 | ||
2978 | static struct drm_property_blob *drm_property_create_blob(struct drm_device *dev, int length, | |
2979 | void *data) | |
2980 | { | |
2981 | struct drm_property_blob *blob; | |
6bfc56aa | 2982 | int ret; |
f453ba04 DA |
2983 | |
2984 | if (!length || !data) | |
2985 | return NULL; | |
2986 | ||
2987 | blob = kzalloc(sizeof(struct drm_property_blob)+length, GFP_KERNEL); | |
2988 | if (!blob) | |
2989 | return NULL; | |
2990 | ||
6bfc56aa VS |
2991 | ret = drm_mode_object_get(dev, &blob->base, DRM_MODE_OBJECT_BLOB); |
2992 | if (ret) { | |
2993 | kfree(blob); | |
2994 | return NULL; | |
2995 | } | |
2996 | ||
f453ba04 DA |
2997 | blob->length = length; |
2998 | ||
2999 | memcpy(blob->data, data, length); | |
3000 | ||
f453ba04 DA |
3001 | list_add_tail(&blob->head, &dev->mode_config.property_blob_list); |
3002 | return blob; | |
3003 | } | |
3004 | ||
3005 | static void drm_property_destroy_blob(struct drm_device *dev, | |
3006 | struct drm_property_blob *blob) | |
3007 | { | |
3008 | drm_mode_object_put(dev, &blob->base); | |
3009 | list_del(&blob->head); | |
3010 | kfree(blob); | |
3011 | } | |
3012 | ||
3013 | int drm_mode_getblob_ioctl(struct drm_device *dev, | |
3014 | void *data, struct drm_file *file_priv) | |
3015 | { | |
3016 | struct drm_mode_object *obj; | |
3017 | struct drm_mode_get_blob *out_resp = data; | |
3018 | struct drm_property_blob *blob; | |
3019 | int ret = 0; | |
81f6c7f8 | 3020 | void __user *blob_ptr; |
f453ba04 | 3021 | |
fb3b06c8 DA |
3022 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
3023 | return -EINVAL; | |
3024 | ||
f453ba04 DA |
3025 | mutex_lock(&dev->mode_config.mutex); |
3026 | obj = drm_mode_object_find(dev, out_resp->blob_id, DRM_MODE_OBJECT_BLOB); | |
3027 | if (!obj) { | |
3028 | ret = -EINVAL; | |
3029 | goto done; | |
3030 | } | |
3031 | blob = obj_to_blob(obj); | |
3032 | ||
3033 | if (out_resp->length == blob->length) { | |
81f6c7f8 | 3034 | blob_ptr = (void __user *)(unsigned long)out_resp->data; |
f453ba04 DA |
3035 | if (copy_to_user(blob_ptr, blob->data, blob->length)){ |
3036 | ret = -EFAULT; | |
3037 | goto done; | |
3038 | } | |
3039 | } | |
3040 | out_resp->length = blob->length; | |
3041 | ||
3042 | done: | |
3043 | mutex_unlock(&dev->mode_config.mutex); | |
3044 | return ret; | |
3045 | } | |
3046 | ||
3047 | int drm_mode_connector_update_edid_property(struct drm_connector *connector, | |
3048 | struct edid *edid) | |
3049 | { | |
3050 | struct drm_device *dev = connector->dev; | |
7466f4cc | 3051 | int ret = 0, size; |
f453ba04 DA |
3052 | |
3053 | if (connector->edid_blob_ptr) | |
3054 | drm_property_destroy_blob(dev, connector->edid_blob_ptr); | |
3055 | ||
3056 | /* Delete edid, when there is none. */ | |
3057 | if (!edid) { | |
3058 | connector->edid_blob_ptr = NULL; | |
3059 | ret = drm_connector_property_set_value(connector, dev->mode_config.edid_property, 0); | |
3060 | return ret; | |
3061 | } | |
3062 | ||
7466f4cc AJ |
3063 | size = EDID_LENGTH * (1 + edid->extensions); |
3064 | connector->edid_blob_ptr = drm_property_create_blob(connector->dev, | |
3065 | size, edid); | |
f453ba04 DA |
3066 | |
3067 | ret = drm_connector_property_set_value(connector, | |
3068 | dev->mode_config.edid_property, | |
3069 | connector->edid_blob_ptr->base.id); | |
3070 | ||
3071 | return ret; | |
3072 | } | |
3073 | EXPORT_SYMBOL(drm_mode_connector_update_edid_property); | |
3074 | ||
3075 | int drm_mode_connector_property_set_ioctl(struct drm_device *dev, | |
3076 | void *data, struct drm_file *file_priv) | |
3077 | { | |
3078 | struct drm_mode_connector_set_property *out_resp = data; | |
3079 | struct drm_mode_object *obj; | |
3080 | struct drm_property *property; | |
3081 | struct drm_connector *connector; | |
3082 | int ret = -EINVAL; | |
3083 | int i; | |
3084 | ||
fb3b06c8 DA |
3085 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
3086 | return -EINVAL; | |
3087 | ||
f453ba04 DA |
3088 | mutex_lock(&dev->mode_config.mutex); |
3089 | ||
3090 | obj = drm_mode_object_find(dev, out_resp->connector_id, DRM_MODE_OBJECT_CONNECTOR); | |
3091 | if (!obj) { | |
3092 | goto out; | |
3093 | } | |
3094 | connector = obj_to_connector(obj); | |
3095 | ||
3096 | for (i = 0; i < DRM_CONNECTOR_MAX_PROPERTY; i++) { | |
3097 | if (connector->property_ids[i] == out_resp->prop_id) | |
3098 | break; | |
3099 | } | |
3100 | ||
3101 | if (i == DRM_CONNECTOR_MAX_PROPERTY) { | |
3102 | goto out; | |
3103 | } | |
3104 | ||
3105 | obj = drm_mode_object_find(dev, out_resp->prop_id, DRM_MODE_OBJECT_PROPERTY); | |
3106 | if (!obj) { | |
3107 | goto out; | |
3108 | } | |
3109 | property = obj_to_property(obj); | |
3110 | ||
3111 | if (property->flags & DRM_MODE_PROP_IMMUTABLE) | |
3112 | goto out; | |
3113 | ||
3114 | if (property->flags & DRM_MODE_PROP_RANGE) { | |
3115 | if (out_resp->value < property->values[0]) | |
3116 | goto out; | |
3117 | ||
3118 | if (out_resp->value > property->values[1]) | |
3119 | goto out; | |
3120 | } else { | |
3121 | int found = 0; | |
3122 | for (i = 0; i < property->num_values; i++) { | |
3123 | if (property->values[i] == out_resp->value) { | |
3124 | found = 1; | |
3125 | break; | |
3126 | } | |
3127 | } | |
3128 | if (!found) { | |
3129 | goto out; | |
3130 | } | |
3131 | } | |
3132 | ||
c9fb15f6 KP |
3133 | /* Do DPMS ourselves */ |
3134 | if (property == connector->dev->mode_config.dpms_property) { | |
3135 | if (connector->funcs->dpms) | |
3136 | (*connector->funcs->dpms)(connector, (int) out_resp->value); | |
3137 | ret = 0; | |
3138 | } else if (connector->funcs->set_property) | |
f453ba04 DA |
3139 | ret = connector->funcs->set_property(connector, property, out_resp->value); |
3140 | ||
af901ca1 | 3141 | /* store the property value if successful */ |
f453ba04 DA |
3142 | if (!ret) |
3143 | drm_connector_property_set_value(connector, property, out_resp->value); | |
3144 | out: | |
3145 | mutex_unlock(&dev->mode_config.mutex); | |
3146 | return ret; | |
3147 | } | |
3148 | ||
f453ba04 DA |
3149 | int drm_mode_connector_attach_encoder(struct drm_connector *connector, |
3150 | struct drm_encoder *encoder) | |
3151 | { | |
3152 | int i; | |
3153 | ||
3154 | for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { | |
3155 | if (connector->encoder_ids[i] == 0) { | |
3156 | connector->encoder_ids[i] = encoder->base.id; | |
3157 | return 0; | |
3158 | } | |
3159 | } | |
3160 | return -ENOMEM; | |
3161 | } | |
3162 | EXPORT_SYMBOL(drm_mode_connector_attach_encoder); | |
3163 | ||
3164 | void drm_mode_connector_detach_encoder(struct drm_connector *connector, | |
3165 | struct drm_encoder *encoder) | |
3166 | { | |
3167 | int i; | |
3168 | for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { | |
3169 | if (connector->encoder_ids[i] == encoder->base.id) { | |
3170 | connector->encoder_ids[i] = 0; | |
3171 | if (connector->encoder == encoder) | |
3172 | connector->encoder = NULL; | |
3173 | break; | |
3174 | } | |
3175 | } | |
3176 | } | |
3177 | EXPORT_SYMBOL(drm_mode_connector_detach_encoder); | |
3178 | ||
4cae5b84 | 3179 | int drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc, |
f453ba04 DA |
3180 | int gamma_size) |
3181 | { | |
3182 | crtc->gamma_size = gamma_size; | |
3183 | ||
3184 | crtc->gamma_store = kzalloc(gamma_size * sizeof(uint16_t) * 3, GFP_KERNEL); | |
3185 | if (!crtc->gamma_store) { | |
3186 | crtc->gamma_size = 0; | |
4cae5b84 | 3187 | return -ENOMEM; |
f453ba04 DA |
3188 | } |
3189 | ||
4cae5b84 | 3190 | return 0; |
f453ba04 DA |
3191 | } |
3192 | EXPORT_SYMBOL(drm_mode_crtc_set_gamma_size); | |
3193 | ||
3194 | int drm_mode_gamma_set_ioctl(struct drm_device *dev, | |
3195 | void *data, struct drm_file *file_priv) | |
3196 | { | |
3197 | struct drm_mode_crtc_lut *crtc_lut = data; | |
3198 | struct drm_mode_object *obj; | |
3199 | struct drm_crtc *crtc; | |
3200 | void *r_base, *g_base, *b_base; | |
3201 | int size; | |
3202 | int ret = 0; | |
3203 | ||
fb3b06c8 DA |
3204 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
3205 | return -EINVAL; | |
3206 | ||
f453ba04 DA |
3207 | mutex_lock(&dev->mode_config.mutex); |
3208 | obj = drm_mode_object_find(dev, crtc_lut->crtc_id, DRM_MODE_OBJECT_CRTC); | |
3209 | if (!obj) { | |
3210 | ret = -EINVAL; | |
3211 | goto out; | |
3212 | } | |
3213 | crtc = obj_to_crtc(obj); | |
3214 | ||
3215 | /* memcpy into gamma store */ | |
3216 | if (crtc_lut->gamma_size != crtc->gamma_size) { | |
3217 | ret = -EINVAL; | |
3218 | goto out; | |
3219 | } | |
3220 | ||
3221 | size = crtc_lut->gamma_size * (sizeof(uint16_t)); | |
3222 | r_base = crtc->gamma_store; | |
3223 | if (copy_from_user(r_base, (void __user *)(unsigned long)crtc_lut->red, size)) { | |
3224 | ret = -EFAULT; | |
3225 | goto out; | |
3226 | } | |
3227 | ||
3228 | g_base = r_base + size; | |
3229 | if (copy_from_user(g_base, (void __user *)(unsigned long)crtc_lut->green, size)) { | |
3230 | ret = -EFAULT; | |
3231 | goto out; | |
3232 | } | |
3233 | ||
3234 | b_base = g_base + size; | |
3235 | if (copy_from_user(b_base, (void __user *)(unsigned long)crtc_lut->blue, size)) { | |
3236 | ret = -EFAULT; | |
3237 | goto out; | |
3238 | } | |
3239 | ||
7203425a | 3240 | crtc->funcs->gamma_set(crtc, r_base, g_base, b_base, 0, crtc->gamma_size); |
f453ba04 DA |
3241 | |
3242 | out: | |
3243 | mutex_unlock(&dev->mode_config.mutex); | |
3244 | return ret; | |
3245 | ||
3246 | } | |
3247 | ||
3248 | int drm_mode_gamma_get_ioctl(struct drm_device *dev, | |
3249 | void *data, struct drm_file *file_priv) | |
3250 | { | |
3251 | struct drm_mode_crtc_lut *crtc_lut = data; | |
3252 | struct drm_mode_object *obj; | |
3253 | struct drm_crtc *crtc; | |
3254 | void *r_base, *g_base, *b_base; | |
3255 | int size; | |
3256 | int ret = 0; | |
3257 | ||
fb3b06c8 DA |
3258 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
3259 | return -EINVAL; | |
3260 | ||
f453ba04 DA |
3261 | mutex_lock(&dev->mode_config.mutex); |
3262 | obj = drm_mode_object_find(dev, crtc_lut->crtc_id, DRM_MODE_OBJECT_CRTC); | |
3263 | if (!obj) { | |
3264 | ret = -EINVAL; | |
3265 | goto out; | |
3266 | } | |
3267 | crtc = obj_to_crtc(obj); | |
3268 | ||
3269 | /* memcpy into gamma store */ | |
3270 | if (crtc_lut->gamma_size != crtc->gamma_size) { | |
3271 | ret = -EINVAL; | |
3272 | goto out; | |
3273 | } | |
3274 | ||
3275 | size = crtc_lut->gamma_size * (sizeof(uint16_t)); | |
3276 | r_base = crtc->gamma_store; | |
3277 | if (copy_to_user((void __user *)(unsigned long)crtc_lut->red, r_base, size)) { | |
3278 | ret = -EFAULT; | |
3279 | goto out; | |
3280 | } | |
3281 | ||
3282 | g_base = r_base + size; | |
3283 | if (copy_to_user((void __user *)(unsigned long)crtc_lut->green, g_base, size)) { | |
3284 | ret = -EFAULT; | |
3285 | goto out; | |
3286 | } | |
3287 | ||
3288 | b_base = g_base + size; | |
3289 | if (copy_to_user((void __user *)(unsigned long)crtc_lut->blue, b_base, size)) { | |
3290 | ret = -EFAULT; | |
3291 | goto out; | |
3292 | } | |
3293 | out: | |
3294 | mutex_unlock(&dev->mode_config.mutex); | |
3295 | return ret; | |
3296 | } | |
d91d8a3f KH |
3297 | |
3298 | int drm_mode_page_flip_ioctl(struct drm_device *dev, | |
3299 | void *data, struct drm_file *file_priv) | |
3300 | { | |
3301 | struct drm_mode_crtc_page_flip *page_flip = data; | |
3302 | struct drm_mode_object *obj; | |
3303 | struct drm_crtc *crtc; | |
3304 | struct drm_framebuffer *fb; | |
3305 | struct drm_pending_vblank_event *e = NULL; | |
3306 | unsigned long flags; | |
3307 | int ret = -EINVAL; | |
3308 | ||
3309 | if (page_flip->flags & ~DRM_MODE_PAGE_FLIP_FLAGS || | |
3310 | page_flip->reserved != 0) | |
3311 | return -EINVAL; | |
3312 | ||
3313 | mutex_lock(&dev->mode_config.mutex); | |
3314 | obj = drm_mode_object_find(dev, page_flip->crtc_id, DRM_MODE_OBJECT_CRTC); | |
3315 | if (!obj) | |
3316 | goto out; | |
3317 | crtc = obj_to_crtc(obj); | |
3318 | ||
90c1efdd CW |
3319 | if (crtc->fb == NULL) { |
3320 | /* The framebuffer is currently unbound, presumably | |
3321 | * due to a hotplug event, that userspace has not | |
3322 | * yet discovered. | |
3323 | */ | |
3324 | ret = -EBUSY; | |
3325 | goto out; | |
3326 | } | |
3327 | ||
d91d8a3f KH |
3328 | if (crtc->funcs->page_flip == NULL) |
3329 | goto out; | |
3330 | ||
3331 | obj = drm_mode_object_find(dev, page_flip->fb_id, DRM_MODE_OBJECT_FB); | |
3332 | if (!obj) | |
3333 | goto out; | |
3334 | fb = obj_to_fb(obj); | |
3335 | ||
5f61bb42 VS |
3336 | if (crtc->mode.hdisplay > fb->width || |
3337 | crtc->mode.vdisplay > fb->height || | |
3338 | crtc->x > fb->width - crtc->mode.hdisplay || | |
3339 | crtc->y > fb->height - crtc->mode.vdisplay) { | |
3340 | DRM_DEBUG_KMS("Invalid fb size %ux%u for CRTC viewport %ux%u+%d+%d.\n", | |
3341 | fb->width, fb->height, | |
3342 | crtc->mode.hdisplay, crtc->mode.vdisplay, | |
3343 | crtc->x, crtc->y); | |
3344 | ret = -ENOSPC; | |
3345 | goto out; | |
3346 | } | |
3347 | ||
d91d8a3f KH |
3348 | if (page_flip->flags & DRM_MODE_PAGE_FLIP_EVENT) { |
3349 | ret = -ENOMEM; | |
3350 | spin_lock_irqsave(&dev->event_lock, flags); | |
3351 | if (file_priv->event_space < sizeof e->event) { | |
3352 | spin_unlock_irqrestore(&dev->event_lock, flags); | |
3353 | goto out; | |
3354 | } | |
3355 | file_priv->event_space -= sizeof e->event; | |
3356 | spin_unlock_irqrestore(&dev->event_lock, flags); | |
3357 | ||
3358 | e = kzalloc(sizeof *e, GFP_KERNEL); | |
3359 | if (e == NULL) { | |
3360 | spin_lock_irqsave(&dev->event_lock, flags); | |
3361 | file_priv->event_space += sizeof e->event; | |
3362 | spin_unlock_irqrestore(&dev->event_lock, flags); | |
3363 | goto out; | |
3364 | } | |
3365 | ||
7bd4d7be | 3366 | e->event.base.type = DRM_EVENT_FLIP_COMPLETE; |
d91d8a3f KH |
3367 | e->event.base.length = sizeof e->event; |
3368 | e->event.user_data = page_flip->user_data; | |
3369 | e->base.event = &e->event.base; | |
3370 | e->base.file_priv = file_priv; | |
3371 | e->base.destroy = | |
3372 | (void (*) (struct drm_pending_event *)) kfree; | |
3373 | } | |
3374 | ||
3375 | ret = crtc->funcs->page_flip(crtc, fb, e); | |
3376 | if (ret) { | |
3377 | spin_lock_irqsave(&dev->event_lock, flags); | |
3378 | file_priv->event_space += sizeof e->event; | |
3379 | spin_unlock_irqrestore(&dev->event_lock, flags); | |
3380 | kfree(e); | |
3381 | } | |
3382 | ||
3383 | out: | |
3384 | mutex_unlock(&dev->mode_config.mutex); | |
3385 | return ret; | |
3386 | } | |
eb033556 CW |
3387 | |
3388 | void drm_mode_config_reset(struct drm_device *dev) | |
3389 | { | |
3390 | struct drm_crtc *crtc; | |
3391 | struct drm_encoder *encoder; | |
3392 | struct drm_connector *connector; | |
3393 | ||
3394 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) | |
3395 | if (crtc->funcs->reset) | |
3396 | crtc->funcs->reset(crtc); | |
3397 | ||
3398 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) | |
3399 | if (encoder->funcs->reset) | |
3400 | encoder->funcs->reset(encoder); | |
3401 | ||
3402 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) | |
3403 | if (connector->funcs->reset) | |
3404 | connector->funcs->reset(connector); | |
3405 | } | |
3406 | EXPORT_SYMBOL(drm_mode_config_reset); | |
ff72145b DA |
3407 | |
3408 | int drm_mode_create_dumb_ioctl(struct drm_device *dev, | |
3409 | void *data, struct drm_file *file_priv) | |
3410 | { | |
3411 | struct drm_mode_create_dumb *args = data; | |
3412 | ||
3413 | if (!dev->driver->dumb_create) | |
3414 | return -ENOSYS; | |
3415 | return dev->driver->dumb_create(file_priv, dev, args); | |
3416 | } | |
3417 | ||
3418 | int drm_mode_mmap_dumb_ioctl(struct drm_device *dev, | |
3419 | void *data, struct drm_file *file_priv) | |
3420 | { | |
3421 | struct drm_mode_map_dumb *args = data; | |
3422 | ||
3423 | /* call driver ioctl to get mmap offset */ | |
3424 | if (!dev->driver->dumb_map_offset) | |
3425 | return -ENOSYS; | |
3426 | ||
3427 | return dev->driver->dumb_map_offset(file_priv, dev, args->handle, &args->offset); | |
3428 | } | |
3429 | ||
3430 | int drm_mode_destroy_dumb_ioctl(struct drm_device *dev, | |
3431 | void *data, struct drm_file *file_priv) | |
3432 | { | |
3433 | struct drm_mode_destroy_dumb *args = data; | |
3434 | ||
3435 | if (!dev->driver->dumb_destroy) | |
3436 | return -ENOSYS; | |
3437 | ||
3438 | return dev->driver->dumb_destroy(file_priv, dev, args->handle); | |
3439 | } | |
248dbc23 DA |
3440 | |
3441 | /* | |
3442 | * Just need to support RGB formats here for compat with code that doesn't | |
3443 | * use pixel formats directly yet. | |
3444 | */ | |
3445 | void drm_fb_get_bpp_depth(uint32_t format, unsigned int *depth, | |
3446 | int *bpp) | |
3447 | { | |
3448 | switch (format) { | |
04b3924d VS |
3449 | case DRM_FORMAT_RGB332: |
3450 | case DRM_FORMAT_BGR233: | |
248dbc23 DA |
3451 | *depth = 8; |
3452 | *bpp = 8; | |
3453 | break; | |
04b3924d VS |
3454 | case DRM_FORMAT_XRGB1555: |
3455 | case DRM_FORMAT_XBGR1555: | |
3456 | case DRM_FORMAT_RGBX5551: | |
3457 | case DRM_FORMAT_BGRX5551: | |
3458 | case DRM_FORMAT_ARGB1555: | |
3459 | case DRM_FORMAT_ABGR1555: | |
3460 | case DRM_FORMAT_RGBA5551: | |
3461 | case DRM_FORMAT_BGRA5551: | |
248dbc23 DA |
3462 | *depth = 15; |
3463 | *bpp = 16; | |
3464 | break; | |
04b3924d VS |
3465 | case DRM_FORMAT_RGB565: |
3466 | case DRM_FORMAT_BGR565: | |
248dbc23 DA |
3467 | *depth = 16; |
3468 | *bpp = 16; | |
3469 | break; | |
04b3924d VS |
3470 | case DRM_FORMAT_RGB888: |
3471 | case DRM_FORMAT_BGR888: | |
3472 | *depth = 24; | |
3473 | *bpp = 24; | |
3474 | break; | |
3475 | case DRM_FORMAT_XRGB8888: | |
3476 | case DRM_FORMAT_XBGR8888: | |
3477 | case DRM_FORMAT_RGBX8888: | |
3478 | case DRM_FORMAT_BGRX8888: | |
248dbc23 DA |
3479 | *depth = 24; |
3480 | *bpp = 32; | |
3481 | break; | |
04b3924d VS |
3482 | case DRM_FORMAT_XRGB2101010: |
3483 | case DRM_FORMAT_XBGR2101010: | |
3484 | case DRM_FORMAT_RGBX1010102: | |
3485 | case DRM_FORMAT_BGRX1010102: | |
3486 | case DRM_FORMAT_ARGB2101010: | |
3487 | case DRM_FORMAT_ABGR2101010: | |
3488 | case DRM_FORMAT_RGBA1010102: | |
3489 | case DRM_FORMAT_BGRA1010102: | |
248dbc23 DA |
3490 | *depth = 30; |
3491 | *bpp = 32; | |
3492 | break; | |
04b3924d VS |
3493 | case DRM_FORMAT_ARGB8888: |
3494 | case DRM_FORMAT_ABGR8888: | |
3495 | case DRM_FORMAT_RGBA8888: | |
3496 | case DRM_FORMAT_BGRA8888: | |
248dbc23 DA |
3497 | *depth = 32; |
3498 | *bpp = 32; | |
3499 | break; | |
3500 | default: | |
3501 | DRM_DEBUG_KMS("unsupported pixel format\n"); | |
3502 | *depth = 0; | |
3503 | *bpp = 0; | |
3504 | break; | |
3505 | } | |
3506 | } | |
3507 | EXPORT_SYMBOL(drm_fb_get_bpp_depth); | |
141670e9 VS |
3508 | |
3509 | /** | |
3510 | * drm_format_num_planes - get the number of planes for format | |
3511 | * @format: pixel format (DRM_FORMAT_*) | |
3512 | * | |
3513 | * RETURNS: | |
3514 | * The number of planes used by the specified pixel format. | |
3515 | */ | |
3516 | int drm_format_num_planes(uint32_t format) | |
3517 | { | |
3518 | switch (format) { | |
3519 | case DRM_FORMAT_YUV410: | |
3520 | case DRM_FORMAT_YVU410: | |
3521 | case DRM_FORMAT_YUV411: | |
3522 | case DRM_FORMAT_YVU411: | |
3523 | case DRM_FORMAT_YUV420: | |
3524 | case DRM_FORMAT_YVU420: | |
3525 | case DRM_FORMAT_YUV422: | |
3526 | case DRM_FORMAT_YVU422: | |
3527 | case DRM_FORMAT_YUV444: | |
3528 | case DRM_FORMAT_YVU444: | |
3529 | return 3; | |
3530 | case DRM_FORMAT_NV12: | |
3531 | case DRM_FORMAT_NV21: | |
3532 | case DRM_FORMAT_NV16: | |
3533 | case DRM_FORMAT_NV61: | |
3534 | return 2; | |
3535 | default: | |
3536 | return 1; | |
3537 | } | |
3538 | } | |
3539 | EXPORT_SYMBOL(drm_format_num_planes); | |
5a86bd55 VS |
3540 | |
3541 | /** | |
3542 | * drm_format_plane_cpp - determine the bytes per pixel value | |
3543 | * @format: pixel format (DRM_FORMAT_*) | |
3544 | * @plane: plane index | |
3545 | * | |
3546 | * RETURNS: | |
3547 | * The bytes per pixel value for the specified plane. | |
3548 | */ | |
3549 | int drm_format_plane_cpp(uint32_t format, int plane) | |
3550 | { | |
3551 | unsigned int depth; | |
3552 | int bpp; | |
3553 | ||
3554 | if (plane >= drm_format_num_planes(format)) | |
3555 | return 0; | |
3556 | ||
3557 | switch (format) { | |
3558 | case DRM_FORMAT_YUYV: | |
3559 | case DRM_FORMAT_YVYU: | |
3560 | case DRM_FORMAT_UYVY: | |
3561 | case DRM_FORMAT_VYUY: | |
3562 | return 2; | |
3563 | case DRM_FORMAT_NV12: | |
3564 | case DRM_FORMAT_NV21: | |
3565 | case DRM_FORMAT_NV16: | |
3566 | case DRM_FORMAT_NV61: | |
3567 | return plane ? 2 : 1; | |
3568 | case DRM_FORMAT_YUV410: | |
3569 | case DRM_FORMAT_YVU410: | |
3570 | case DRM_FORMAT_YUV411: | |
3571 | case DRM_FORMAT_YVU411: | |
3572 | case DRM_FORMAT_YUV420: | |
3573 | case DRM_FORMAT_YVU420: | |
3574 | case DRM_FORMAT_YUV422: | |
3575 | case DRM_FORMAT_YVU422: | |
3576 | case DRM_FORMAT_YUV444: | |
3577 | case DRM_FORMAT_YVU444: | |
3578 | return 1; | |
3579 | default: | |
3580 | drm_fb_get_bpp_depth(format, &depth, &bpp); | |
3581 | return bpp >> 3; | |
3582 | } | |
3583 | } | |
3584 | EXPORT_SYMBOL(drm_format_plane_cpp); | |
01b68b04 VS |
3585 | |
3586 | /** | |
3587 | * drm_format_horz_chroma_subsampling - get the horizontal chroma subsampling factor | |
3588 | * @format: pixel format (DRM_FORMAT_*) | |
3589 | * | |
3590 | * RETURNS: | |
3591 | * The horizontal chroma subsampling factor for the | |
3592 | * specified pixel format. | |
3593 | */ | |
3594 | int drm_format_horz_chroma_subsampling(uint32_t format) | |
3595 | { | |
3596 | switch (format) { | |
3597 | case DRM_FORMAT_YUV411: | |
3598 | case DRM_FORMAT_YVU411: | |
3599 | case DRM_FORMAT_YUV410: | |
3600 | case DRM_FORMAT_YVU410: | |
3601 | return 4; | |
3602 | case DRM_FORMAT_YUYV: | |
3603 | case DRM_FORMAT_YVYU: | |
3604 | case DRM_FORMAT_UYVY: | |
3605 | case DRM_FORMAT_VYUY: | |
3606 | case DRM_FORMAT_NV12: | |
3607 | case DRM_FORMAT_NV21: | |
3608 | case DRM_FORMAT_NV16: | |
3609 | case DRM_FORMAT_NV61: | |
3610 | case DRM_FORMAT_YUV422: | |
3611 | case DRM_FORMAT_YVU422: | |
3612 | case DRM_FORMAT_YUV420: | |
3613 | case DRM_FORMAT_YVU420: | |
3614 | return 2; | |
3615 | default: | |
3616 | return 1; | |
3617 | } | |
3618 | } | |
3619 | EXPORT_SYMBOL(drm_format_horz_chroma_subsampling); | |
3620 | ||
3621 | /** | |
3622 | * drm_format_vert_chroma_subsampling - get the vertical chroma subsampling factor | |
3623 | * @format: pixel format (DRM_FORMAT_*) | |
3624 | * | |
3625 | * RETURNS: | |
3626 | * The vertical chroma subsampling factor for the | |
3627 | * specified pixel format. | |
3628 | */ | |
3629 | int drm_format_vert_chroma_subsampling(uint32_t format) | |
3630 | { | |
3631 | switch (format) { | |
3632 | case DRM_FORMAT_YUV410: | |
3633 | case DRM_FORMAT_YVU410: | |
3634 | return 4; | |
3635 | case DRM_FORMAT_YUV420: | |
3636 | case DRM_FORMAT_YVU420: | |
3637 | case DRM_FORMAT_NV12: | |
3638 | case DRM_FORMAT_NV21: | |
3639 | return 2; | |
3640 | default: | |
3641 | return 1; | |
3642 | } | |
3643 | } | |
3644 | EXPORT_SYMBOL(drm_format_vert_chroma_subsampling); |