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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"); | |
f1ae126c | 230 | return -ENOMEM; |
f453ba04 DA |
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; | |
f1ae126c VS |
238 | else if (ret) |
239 | return ret; | |
f453ba04 DA |
240 | |
241 | obj->id = new_id; | |
242 | obj->type = obj_type; | |
243 | return 0; | |
244 | } | |
245 | ||
246 | /** | |
247 | * drm_mode_object_put - free an identifer | |
248 | * @dev: DRM device | |
249 | * @id: ID to free | |
250 | * | |
251 | * LOCKING: | |
252 | * Caller must hold DRM mode_config lock. | |
253 | * | |
254 | * Free @id from @dev's unique identifier pool. | |
255 | */ | |
256 | static void drm_mode_object_put(struct drm_device *dev, | |
257 | struct drm_mode_object *object) | |
258 | { | |
ad2563c2 | 259 | mutex_lock(&dev->mode_config.idr_mutex); |
f453ba04 | 260 | idr_remove(&dev->mode_config.crtc_idr, object->id); |
ad2563c2 | 261 | mutex_unlock(&dev->mode_config.idr_mutex); |
f453ba04 DA |
262 | } |
263 | ||
7a9c9060 DV |
264 | struct drm_mode_object *drm_mode_object_find(struct drm_device *dev, |
265 | uint32_t id, uint32_t type) | |
f453ba04 | 266 | { |
ad2563c2 | 267 | struct drm_mode_object *obj = NULL; |
f453ba04 | 268 | |
ad2563c2 | 269 | mutex_lock(&dev->mode_config.idr_mutex); |
f453ba04 DA |
270 | obj = idr_find(&dev->mode_config.crtc_idr, id); |
271 | if (!obj || (obj->type != type) || (obj->id != id)) | |
ad2563c2 JB |
272 | obj = NULL; |
273 | mutex_unlock(&dev->mode_config.idr_mutex); | |
f453ba04 DA |
274 | |
275 | return obj; | |
276 | } | |
277 | EXPORT_SYMBOL(drm_mode_object_find); | |
278 | ||
f453ba04 DA |
279 | /** |
280 | * drm_framebuffer_init - initialize a framebuffer | |
281 | * @dev: DRM device | |
282 | * | |
283 | * LOCKING: | |
284 | * Caller must hold mode config lock. | |
285 | * | |
286 | * Allocates an ID for the framebuffer's parent mode object, sets its mode | |
287 | * functions & device file and adds it to the master fd list. | |
288 | * | |
289 | * RETURNS: | |
af901ca1 | 290 | * Zero on success, error code on failure. |
f453ba04 DA |
291 | */ |
292 | int drm_framebuffer_init(struct drm_device *dev, struct drm_framebuffer *fb, | |
293 | const struct drm_framebuffer_funcs *funcs) | |
294 | { | |
295 | int ret; | |
296 | ||
297 | ret = drm_mode_object_get(dev, &fb->base, DRM_MODE_OBJECT_FB); | |
6bfc56aa | 298 | if (ret) |
f453ba04 | 299 | return ret; |
f453ba04 DA |
300 | |
301 | fb->dev = dev; | |
302 | fb->funcs = funcs; | |
303 | dev->mode_config.num_fb++; | |
304 | list_add(&fb->head, &dev->mode_config.fb_list); | |
305 | ||
306 | return 0; | |
307 | } | |
308 | EXPORT_SYMBOL(drm_framebuffer_init); | |
309 | ||
310 | /** | |
311 | * drm_framebuffer_cleanup - remove a framebuffer object | |
312 | * @fb: framebuffer to remove | |
313 | * | |
314 | * LOCKING: | |
315 | * Caller must hold mode config lock. | |
316 | * | |
317 | * Scans all the CRTCs in @dev's mode_config. If they're using @fb, removes | |
318 | * it, setting it to NULL. | |
319 | */ | |
320 | void drm_framebuffer_cleanup(struct drm_framebuffer *fb) | |
321 | { | |
322 | struct drm_device *dev = fb->dev; | |
323 | struct drm_crtc *crtc; | |
8cf5c917 | 324 | struct drm_plane *plane; |
5ef5f72f DA |
325 | struct drm_mode_set set; |
326 | int ret; | |
f453ba04 DA |
327 | |
328 | /* remove from any CRTC */ | |
329 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { | |
5ef5f72f DA |
330 | if (crtc->fb == fb) { |
331 | /* should turn off the crtc */ | |
332 | memset(&set, 0, sizeof(struct drm_mode_set)); | |
333 | set.crtc = crtc; | |
334 | set.fb = NULL; | |
335 | ret = crtc->funcs->set_config(&set); | |
336 | if (ret) | |
337 | DRM_ERROR("failed to reset crtc %p when fb was deleted\n", crtc); | |
338 | } | |
f453ba04 DA |
339 | } |
340 | ||
8cf5c917 JB |
341 | list_for_each_entry(plane, &dev->mode_config.plane_list, head) { |
342 | if (plane->fb == fb) { | |
343 | /* should turn off the crtc */ | |
344 | ret = plane->funcs->disable_plane(plane); | |
345 | if (ret) | |
346 | DRM_ERROR("failed to disable plane with busy fb\n"); | |
a9971157 RC |
347 | /* disconnect the plane from the fb and crtc: */ |
348 | plane->fb = NULL; | |
349 | plane->crtc = NULL; | |
8cf5c917 JB |
350 | } |
351 | } | |
352 | ||
f453ba04 DA |
353 | drm_mode_object_put(dev, &fb->base); |
354 | list_del(&fb->head); | |
355 | dev->mode_config.num_fb--; | |
356 | } | |
357 | EXPORT_SYMBOL(drm_framebuffer_cleanup); | |
358 | ||
359 | /** | |
360 | * drm_crtc_init - Initialise a new CRTC object | |
361 | * @dev: DRM device | |
362 | * @crtc: CRTC object to init | |
363 | * @funcs: callbacks for the new CRTC | |
364 | * | |
365 | * LOCKING: | |
3b02ab88 | 366 | * Takes mode_config lock. |
f453ba04 DA |
367 | * |
368 | * Inits a new object created as base part of an driver crtc object. | |
6bfc56aa VS |
369 | * |
370 | * RETURNS: | |
371 | * Zero on success, error code on failure. | |
f453ba04 | 372 | */ |
6bfc56aa | 373 | int drm_crtc_init(struct drm_device *dev, struct drm_crtc *crtc, |
f453ba04 DA |
374 | const struct drm_crtc_funcs *funcs) |
375 | { | |
6bfc56aa VS |
376 | int ret; |
377 | ||
f453ba04 DA |
378 | crtc->dev = dev; |
379 | crtc->funcs = funcs; | |
380 | ||
381 | mutex_lock(&dev->mode_config.mutex); | |
6bfc56aa VS |
382 | |
383 | ret = drm_mode_object_get(dev, &crtc->base, DRM_MODE_OBJECT_CRTC); | |
384 | if (ret) | |
385 | goto out; | |
f453ba04 | 386 | |
bffd9de0 PZ |
387 | crtc->base.properties = &crtc->properties; |
388 | ||
f453ba04 DA |
389 | list_add_tail(&crtc->head, &dev->mode_config.crtc_list); |
390 | dev->mode_config.num_crtc++; | |
6bfc56aa VS |
391 | |
392 | out: | |
f453ba04 | 393 | mutex_unlock(&dev->mode_config.mutex); |
6bfc56aa VS |
394 | |
395 | return ret; | |
f453ba04 DA |
396 | } |
397 | EXPORT_SYMBOL(drm_crtc_init); | |
398 | ||
399 | /** | |
400 | * drm_crtc_cleanup - Cleans up the core crtc usage. | |
401 | * @crtc: CRTC to cleanup | |
402 | * | |
403 | * LOCKING: | |
404 | * Caller must hold mode config lock. | |
405 | * | |
406 | * Cleanup @crtc. Removes from drm modesetting space | |
407 | * does NOT free object, caller does that. | |
408 | */ | |
409 | void drm_crtc_cleanup(struct drm_crtc *crtc) | |
410 | { | |
411 | struct drm_device *dev = crtc->dev; | |
412 | ||
413 | if (crtc->gamma_store) { | |
414 | kfree(crtc->gamma_store); | |
415 | crtc->gamma_store = NULL; | |
416 | } | |
417 | ||
418 | drm_mode_object_put(dev, &crtc->base); | |
419 | list_del(&crtc->head); | |
420 | dev->mode_config.num_crtc--; | |
421 | } | |
422 | EXPORT_SYMBOL(drm_crtc_cleanup); | |
423 | ||
424 | /** | |
425 | * drm_mode_probed_add - add a mode to a connector's probed mode list | |
426 | * @connector: connector the new mode | |
427 | * @mode: mode data | |
428 | * | |
429 | * LOCKING: | |
430 | * Caller must hold mode config lock. | |
431 | * | |
432 | * Add @mode to @connector's mode list for later use. | |
433 | */ | |
434 | void drm_mode_probed_add(struct drm_connector *connector, | |
435 | struct drm_display_mode *mode) | |
436 | { | |
437 | list_add(&mode->head, &connector->probed_modes); | |
438 | } | |
439 | EXPORT_SYMBOL(drm_mode_probed_add); | |
440 | ||
441 | /** | |
442 | * drm_mode_remove - remove and free a mode | |
443 | * @connector: connector list to modify | |
444 | * @mode: mode to remove | |
445 | * | |
446 | * LOCKING: | |
447 | * Caller must hold mode config lock. | |
448 | * | |
449 | * Remove @mode from @connector's mode list, then free it. | |
450 | */ | |
451 | void drm_mode_remove(struct drm_connector *connector, | |
452 | struct drm_display_mode *mode) | |
453 | { | |
454 | list_del(&mode->head); | |
554f1d78 | 455 | drm_mode_destroy(connector->dev, mode); |
f453ba04 DA |
456 | } |
457 | EXPORT_SYMBOL(drm_mode_remove); | |
458 | ||
459 | /** | |
460 | * drm_connector_init - Init a preallocated connector | |
461 | * @dev: DRM device | |
462 | * @connector: the connector to init | |
463 | * @funcs: callbacks for this connector | |
464 | * @name: user visible name of the connector | |
465 | * | |
466 | * LOCKING: | |
b20f3867 | 467 | * Takes mode config lock. |
f453ba04 DA |
468 | * |
469 | * Initialises a preallocated connector. Connectors should be | |
470 | * subclassed as part of driver connector objects. | |
6bfc56aa VS |
471 | * |
472 | * RETURNS: | |
473 | * Zero on success, error code on failure. | |
f453ba04 | 474 | */ |
6bfc56aa VS |
475 | int drm_connector_init(struct drm_device *dev, |
476 | struct drm_connector *connector, | |
477 | const struct drm_connector_funcs *funcs, | |
478 | int connector_type) | |
f453ba04 | 479 | { |
6bfc56aa VS |
480 | int ret; |
481 | ||
f453ba04 DA |
482 | mutex_lock(&dev->mode_config.mutex); |
483 | ||
6bfc56aa VS |
484 | ret = drm_mode_object_get(dev, &connector->base, DRM_MODE_OBJECT_CONNECTOR); |
485 | if (ret) | |
486 | goto out; | |
487 | ||
7e3bdf4a | 488 | connector->base.properties = &connector->properties; |
f453ba04 DA |
489 | connector->dev = dev; |
490 | connector->funcs = funcs; | |
f453ba04 DA |
491 | connector->connector_type = connector_type; |
492 | connector->connector_type_id = | |
493 | ++drm_connector_enum_list[connector_type].count; /* TODO */ | |
494 | INIT_LIST_HEAD(&connector->user_modes); | |
495 | INIT_LIST_HEAD(&connector->probed_modes); | |
496 | INIT_LIST_HEAD(&connector->modes); | |
497 | connector->edid_blob_ptr = NULL; | |
498 | ||
499 | list_add_tail(&connector->head, &dev->mode_config.connector_list); | |
500 | dev->mode_config.num_connector++; | |
501 | ||
a7331e5c TH |
502 | if (connector_type != DRM_MODE_CONNECTOR_VIRTUAL) |
503 | drm_connector_attach_property(connector, | |
504 | dev->mode_config.edid_property, | |
505 | 0); | |
f453ba04 DA |
506 | |
507 | drm_connector_attach_property(connector, | |
508 | dev->mode_config.dpms_property, 0); | |
509 | ||
6bfc56aa | 510 | out: |
f453ba04 | 511 | mutex_unlock(&dev->mode_config.mutex); |
6bfc56aa VS |
512 | |
513 | return ret; | |
f453ba04 DA |
514 | } |
515 | EXPORT_SYMBOL(drm_connector_init); | |
516 | ||
517 | /** | |
518 | * drm_connector_cleanup - cleans up an initialised connector | |
519 | * @connector: connector to cleanup | |
520 | * | |
521 | * LOCKING: | |
b20f3867 | 522 | * Takes mode config lock. |
f453ba04 DA |
523 | * |
524 | * Cleans up the connector but doesn't free the object. | |
525 | */ | |
526 | void drm_connector_cleanup(struct drm_connector *connector) | |
527 | { | |
528 | struct drm_device *dev = connector->dev; | |
529 | struct drm_display_mode *mode, *t; | |
530 | ||
531 | list_for_each_entry_safe(mode, t, &connector->probed_modes, head) | |
532 | drm_mode_remove(connector, mode); | |
533 | ||
534 | list_for_each_entry_safe(mode, t, &connector->modes, head) | |
535 | drm_mode_remove(connector, mode); | |
536 | ||
537 | list_for_each_entry_safe(mode, t, &connector->user_modes, head) | |
538 | drm_mode_remove(connector, mode); | |
539 | ||
540 | mutex_lock(&dev->mode_config.mutex); | |
541 | drm_mode_object_put(dev, &connector->base); | |
542 | list_del(&connector->head); | |
6380c509 | 543 | dev->mode_config.num_connector--; |
f453ba04 DA |
544 | mutex_unlock(&dev->mode_config.mutex); |
545 | } | |
546 | EXPORT_SYMBOL(drm_connector_cleanup); | |
547 | ||
cbc7e221 DA |
548 | void drm_connector_unplug_all(struct drm_device *dev) |
549 | { | |
550 | struct drm_connector *connector; | |
551 | ||
552 | /* taking the mode config mutex ends up in a clash with sysfs */ | |
553 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) | |
554 | drm_sysfs_connector_remove(connector); | |
555 | ||
556 | } | |
557 | EXPORT_SYMBOL(drm_connector_unplug_all); | |
558 | ||
6bfc56aa | 559 | int drm_encoder_init(struct drm_device *dev, |
cbc7e221 DA |
560 | struct drm_encoder *encoder, |
561 | const struct drm_encoder_funcs *funcs, | |
562 | int encoder_type) | |
f453ba04 | 563 | { |
6bfc56aa VS |
564 | int ret; |
565 | ||
f453ba04 DA |
566 | mutex_lock(&dev->mode_config.mutex); |
567 | ||
6bfc56aa VS |
568 | ret = drm_mode_object_get(dev, &encoder->base, DRM_MODE_OBJECT_ENCODER); |
569 | if (ret) | |
570 | goto out; | |
f453ba04 | 571 | |
6bfc56aa | 572 | encoder->dev = dev; |
f453ba04 DA |
573 | encoder->encoder_type = encoder_type; |
574 | encoder->funcs = funcs; | |
575 | ||
576 | list_add_tail(&encoder->head, &dev->mode_config.encoder_list); | |
577 | dev->mode_config.num_encoder++; | |
578 | ||
6bfc56aa | 579 | out: |
f453ba04 | 580 | mutex_unlock(&dev->mode_config.mutex); |
6bfc56aa VS |
581 | |
582 | return ret; | |
f453ba04 DA |
583 | } |
584 | EXPORT_SYMBOL(drm_encoder_init); | |
585 | ||
586 | void drm_encoder_cleanup(struct drm_encoder *encoder) | |
587 | { | |
588 | struct drm_device *dev = encoder->dev; | |
589 | mutex_lock(&dev->mode_config.mutex); | |
590 | drm_mode_object_put(dev, &encoder->base); | |
591 | list_del(&encoder->head); | |
6380c509 | 592 | dev->mode_config.num_encoder--; |
f453ba04 DA |
593 | mutex_unlock(&dev->mode_config.mutex); |
594 | } | |
595 | EXPORT_SYMBOL(drm_encoder_cleanup); | |
596 | ||
8cf5c917 JB |
597 | int drm_plane_init(struct drm_device *dev, struct drm_plane *plane, |
598 | unsigned long possible_crtcs, | |
599 | const struct drm_plane_funcs *funcs, | |
0a7eb243 RC |
600 | const uint32_t *formats, uint32_t format_count, |
601 | bool priv) | |
8cf5c917 | 602 | { |
6bfc56aa VS |
603 | int ret; |
604 | ||
8cf5c917 JB |
605 | mutex_lock(&dev->mode_config.mutex); |
606 | ||
6bfc56aa VS |
607 | ret = drm_mode_object_get(dev, &plane->base, DRM_MODE_OBJECT_PLANE); |
608 | if (ret) | |
609 | goto out; | |
610 | ||
4d93914a | 611 | plane->base.properties = &plane->properties; |
8cf5c917 | 612 | plane->dev = dev; |
8cf5c917 JB |
613 | plane->funcs = funcs; |
614 | plane->format_types = kmalloc(sizeof(uint32_t) * format_count, | |
615 | GFP_KERNEL); | |
616 | if (!plane->format_types) { | |
617 | DRM_DEBUG_KMS("out of memory when allocating plane\n"); | |
618 | drm_mode_object_put(dev, &plane->base); | |
6bfc56aa VS |
619 | ret = -ENOMEM; |
620 | goto out; | |
8cf5c917 JB |
621 | } |
622 | ||
308e5bcb | 623 | memcpy(plane->format_types, formats, format_count * sizeof(uint32_t)); |
8cf5c917 JB |
624 | plane->format_count = format_count; |
625 | plane->possible_crtcs = possible_crtcs; | |
626 | ||
0a7eb243 RC |
627 | /* private planes are not exposed to userspace, but depending on |
628 | * display hardware, might be convenient to allow sharing programming | |
629 | * for the scanout engine with the crtc implementation. | |
630 | */ | |
631 | if (!priv) { | |
632 | list_add_tail(&plane->head, &dev->mode_config.plane_list); | |
633 | dev->mode_config.num_plane++; | |
634 | } else { | |
635 | INIT_LIST_HEAD(&plane->head); | |
636 | } | |
8cf5c917 | 637 | |
6bfc56aa | 638 | out: |
8cf5c917 JB |
639 | mutex_unlock(&dev->mode_config.mutex); |
640 | ||
6bfc56aa | 641 | return ret; |
8cf5c917 JB |
642 | } |
643 | EXPORT_SYMBOL(drm_plane_init); | |
644 | ||
645 | void drm_plane_cleanup(struct drm_plane *plane) | |
646 | { | |
647 | struct drm_device *dev = plane->dev; | |
648 | ||
649 | mutex_lock(&dev->mode_config.mutex); | |
650 | kfree(plane->format_types); | |
651 | drm_mode_object_put(dev, &plane->base); | |
0a7eb243 RC |
652 | /* if not added to a list, it must be a private plane */ |
653 | if (!list_empty(&plane->head)) { | |
654 | list_del(&plane->head); | |
655 | dev->mode_config.num_plane--; | |
656 | } | |
8cf5c917 JB |
657 | mutex_unlock(&dev->mode_config.mutex); |
658 | } | |
659 | EXPORT_SYMBOL(drm_plane_cleanup); | |
660 | ||
f453ba04 DA |
661 | /** |
662 | * drm_mode_create - create a new display mode | |
663 | * @dev: DRM device | |
664 | * | |
665 | * LOCKING: | |
666 | * Caller must hold DRM mode_config lock. | |
667 | * | |
668 | * Create a new drm_display_mode, give it an ID, and return it. | |
669 | * | |
670 | * RETURNS: | |
671 | * Pointer to new mode on success, NULL on error. | |
672 | */ | |
673 | struct drm_display_mode *drm_mode_create(struct drm_device *dev) | |
674 | { | |
675 | struct drm_display_mode *nmode; | |
676 | ||
677 | nmode = kzalloc(sizeof(struct drm_display_mode), GFP_KERNEL); | |
678 | if (!nmode) | |
679 | return NULL; | |
680 | ||
6bfc56aa VS |
681 | if (drm_mode_object_get(dev, &nmode->base, DRM_MODE_OBJECT_MODE)) { |
682 | kfree(nmode); | |
683 | return NULL; | |
684 | } | |
685 | ||
f453ba04 DA |
686 | return nmode; |
687 | } | |
688 | EXPORT_SYMBOL(drm_mode_create); | |
689 | ||
690 | /** | |
691 | * drm_mode_destroy - remove a mode | |
692 | * @dev: DRM device | |
693 | * @mode: mode to remove | |
694 | * | |
695 | * LOCKING: | |
696 | * Caller must hold mode config lock. | |
697 | * | |
698 | * Free @mode's unique identifier, then free it. | |
699 | */ | |
700 | void drm_mode_destroy(struct drm_device *dev, struct drm_display_mode *mode) | |
701 | { | |
ee34ab5b VS |
702 | if (!mode) |
703 | return; | |
704 | ||
f453ba04 DA |
705 | drm_mode_object_put(dev, &mode->base); |
706 | ||
707 | kfree(mode); | |
708 | } | |
709 | EXPORT_SYMBOL(drm_mode_destroy); | |
710 | ||
711 | static int drm_mode_create_standard_connector_properties(struct drm_device *dev) | |
712 | { | |
713 | struct drm_property *edid; | |
714 | struct drm_property *dpms; | |
f453ba04 DA |
715 | |
716 | /* | |
717 | * Standard properties (apply to all connectors) | |
718 | */ | |
719 | edid = drm_property_create(dev, DRM_MODE_PROP_BLOB | | |
720 | DRM_MODE_PROP_IMMUTABLE, | |
721 | "EDID", 0); | |
722 | dev->mode_config.edid_property = edid; | |
723 | ||
4a67d391 SH |
724 | dpms = drm_property_create_enum(dev, 0, |
725 | "DPMS", drm_dpms_enum_list, | |
726 | ARRAY_SIZE(drm_dpms_enum_list)); | |
f453ba04 DA |
727 | dev->mode_config.dpms_property = dpms; |
728 | ||
729 | return 0; | |
730 | } | |
731 | ||
732 | /** | |
733 | * drm_mode_create_dvi_i_properties - create DVI-I specific connector properties | |
734 | * @dev: DRM device | |
735 | * | |
736 | * Called by a driver the first time a DVI-I connector is made. | |
737 | */ | |
738 | int drm_mode_create_dvi_i_properties(struct drm_device *dev) | |
739 | { | |
740 | struct drm_property *dvi_i_selector; | |
741 | struct drm_property *dvi_i_subconnector; | |
f453ba04 DA |
742 | |
743 | if (dev->mode_config.dvi_i_select_subconnector_property) | |
744 | return 0; | |
745 | ||
746 | dvi_i_selector = | |
4a67d391 | 747 | drm_property_create_enum(dev, 0, |
f453ba04 | 748 | "select subconnector", |
4a67d391 | 749 | drm_dvi_i_select_enum_list, |
f453ba04 | 750 | ARRAY_SIZE(drm_dvi_i_select_enum_list)); |
f453ba04 DA |
751 | dev->mode_config.dvi_i_select_subconnector_property = dvi_i_selector; |
752 | ||
4a67d391 | 753 | dvi_i_subconnector = drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, |
f453ba04 | 754 | "subconnector", |
4a67d391 | 755 | drm_dvi_i_subconnector_enum_list, |
f453ba04 | 756 | ARRAY_SIZE(drm_dvi_i_subconnector_enum_list)); |
f453ba04 DA |
757 | dev->mode_config.dvi_i_subconnector_property = dvi_i_subconnector; |
758 | ||
759 | return 0; | |
760 | } | |
761 | EXPORT_SYMBOL(drm_mode_create_dvi_i_properties); | |
762 | ||
763 | /** | |
764 | * drm_create_tv_properties - create TV specific connector properties | |
765 | * @dev: DRM device | |
766 | * @num_modes: number of different TV formats (modes) supported | |
767 | * @modes: array of pointers to strings containing name of each format | |
768 | * | |
769 | * Called by a driver's TV initialization routine, this function creates | |
770 | * the TV specific connector properties for a given device. Caller is | |
771 | * responsible for allocating a list of format names and passing them to | |
772 | * this routine. | |
773 | */ | |
774 | int drm_mode_create_tv_properties(struct drm_device *dev, int num_modes, | |
775 | char *modes[]) | |
776 | { | |
777 | struct drm_property *tv_selector; | |
778 | struct drm_property *tv_subconnector; | |
779 | int i; | |
780 | ||
781 | if (dev->mode_config.tv_select_subconnector_property) | |
782 | return 0; | |
783 | ||
784 | /* | |
785 | * Basic connector properties | |
786 | */ | |
4a67d391 | 787 | tv_selector = drm_property_create_enum(dev, 0, |
f453ba04 | 788 | "select subconnector", |
4a67d391 | 789 | drm_tv_select_enum_list, |
f453ba04 | 790 | ARRAY_SIZE(drm_tv_select_enum_list)); |
f453ba04 DA |
791 | dev->mode_config.tv_select_subconnector_property = tv_selector; |
792 | ||
793 | tv_subconnector = | |
4a67d391 SH |
794 | drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, |
795 | "subconnector", | |
796 | drm_tv_subconnector_enum_list, | |
f453ba04 | 797 | ARRAY_SIZE(drm_tv_subconnector_enum_list)); |
f453ba04 DA |
798 | dev->mode_config.tv_subconnector_property = tv_subconnector; |
799 | ||
800 | /* | |
801 | * Other, TV specific properties: margins & TV modes. | |
802 | */ | |
803 | dev->mode_config.tv_left_margin_property = | |
d9bc3c02 | 804 | drm_property_create_range(dev, 0, "left margin", 0, 100); |
f453ba04 DA |
805 | |
806 | dev->mode_config.tv_right_margin_property = | |
d9bc3c02 | 807 | drm_property_create_range(dev, 0, "right margin", 0, 100); |
f453ba04 DA |
808 | |
809 | dev->mode_config.tv_top_margin_property = | |
d9bc3c02 | 810 | drm_property_create_range(dev, 0, "top margin", 0, 100); |
f453ba04 DA |
811 | |
812 | dev->mode_config.tv_bottom_margin_property = | |
d9bc3c02 | 813 | drm_property_create_range(dev, 0, "bottom margin", 0, 100); |
f453ba04 DA |
814 | |
815 | dev->mode_config.tv_mode_property = | |
816 | drm_property_create(dev, DRM_MODE_PROP_ENUM, | |
817 | "mode", num_modes); | |
818 | for (i = 0; i < num_modes; i++) | |
819 | drm_property_add_enum(dev->mode_config.tv_mode_property, i, | |
820 | i, modes[i]); | |
821 | ||
b6b7902e | 822 | dev->mode_config.tv_brightness_property = |
d9bc3c02 | 823 | drm_property_create_range(dev, 0, "brightness", 0, 100); |
b6b7902e FJ |
824 | |
825 | dev->mode_config.tv_contrast_property = | |
d9bc3c02 | 826 | drm_property_create_range(dev, 0, "contrast", 0, 100); |
b6b7902e FJ |
827 | |
828 | dev->mode_config.tv_flicker_reduction_property = | |
d9bc3c02 | 829 | drm_property_create_range(dev, 0, "flicker reduction", 0, 100); |
b6b7902e | 830 | |
a75f0236 | 831 | dev->mode_config.tv_overscan_property = |
d9bc3c02 | 832 | drm_property_create_range(dev, 0, "overscan", 0, 100); |
a75f0236 FJ |
833 | |
834 | dev->mode_config.tv_saturation_property = | |
d9bc3c02 | 835 | drm_property_create_range(dev, 0, "saturation", 0, 100); |
a75f0236 FJ |
836 | |
837 | dev->mode_config.tv_hue_property = | |
d9bc3c02 | 838 | drm_property_create_range(dev, 0, "hue", 0, 100); |
a75f0236 | 839 | |
f453ba04 DA |
840 | return 0; |
841 | } | |
842 | EXPORT_SYMBOL(drm_mode_create_tv_properties); | |
843 | ||
844 | /** | |
845 | * drm_mode_create_scaling_mode_property - create scaling mode property | |
846 | * @dev: DRM device | |
847 | * | |
848 | * Called by a driver the first time it's needed, must be attached to desired | |
849 | * connectors. | |
850 | */ | |
851 | int drm_mode_create_scaling_mode_property(struct drm_device *dev) | |
852 | { | |
853 | struct drm_property *scaling_mode; | |
f453ba04 DA |
854 | |
855 | if (dev->mode_config.scaling_mode_property) | |
856 | return 0; | |
857 | ||
858 | scaling_mode = | |
4a67d391 SH |
859 | drm_property_create_enum(dev, 0, "scaling mode", |
860 | drm_scaling_mode_enum_list, | |
f453ba04 | 861 | ARRAY_SIZE(drm_scaling_mode_enum_list)); |
f453ba04 DA |
862 | |
863 | dev->mode_config.scaling_mode_property = scaling_mode; | |
864 | ||
865 | return 0; | |
866 | } | |
867 | EXPORT_SYMBOL(drm_mode_create_scaling_mode_property); | |
868 | ||
869 | /** | |
870 | * drm_mode_create_dithering_property - create dithering property | |
871 | * @dev: DRM device | |
872 | * | |
873 | * Called by a driver the first time it's needed, must be attached to desired | |
874 | * connectors. | |
875 | */ | |
876 | int drm_mode_create_dithering_property(struct drm_device *dev) | |
877 | { | |
878 | struct drm_property *dithering_mode; | |
f453ba04 DA |
879 | |
880 | if (dev->mode_config.dithering_mode_property) | |
881 | return 0; | |
882 | ||
883 | dithering_mode = | |
4a67d391 SH |
884 | drm_property_create_enum(dev, 0, "dithering", |
885 | drm_dithering_mode_enum_list, | |
f453ba04 | 886 | ARRAY_SIZE(drm_dithering_mode_enum_list)); |
f453ba04 DA |
887 | dev->mode_config.dithering_mode_property = dithering_mode; |
888 | ||
889 | return 0; | |
890 | } | |
891 | EXPORT_SYMBOL(drm_mode_create_dithering_property); | |
892 | ||
884840aa JB |
893 | /** |
894 | * drm_mode_create_dirty_property - create dirty property | |
895 | * @dev: DRM device | |
896 | * | |
897 | * Called by a driver the first time it's needed, must be attached to desired | |
898 | * connectors. | |
899 | */ | |
900 | int drm_mode_create_dirty_info_property(struct drm_device *dev) | |
901 | { | |
902 | struct drm_property *dirty_info; | |
884840aa JB |
903 | |
904 | if (dev->mode_config.dirty_info_property) | |
905 | return 0; | |
906 | ||
907 | dirty_info = | |
4a67d391 | 908 | drm_property_create_enum(dev, DRM_MODE_PROP_IMMUTABLE, |
884840aa | 909 | "dirty", |
4a67d391 | 910 | drm_dirty_info_enum_list, |
884840aa | 911 | ARRAY_SIZE(drm_dirty_info_enum_list)); |
884840aa JB |
912 | dev->mode_config.dirty_info_property = dirty_info; |
913 | ||
914 | return 0; | |
915 | } | |
916 | EXPORT_SYMBOL(drm_mode_create_dirty_info_property); | |
917 | ||
f453ba04 DA |
918 | /** |
919 | * drm_mode_config_init - initialize DRM mode_configuration structure | |
920 | * @dev: DRM device | |
921 | * | |
922 | * LOCKING: | |
923 | * None, should happen single threaded at init time. | |
924 | * | |
925 | * Initialize @dev's mode_config structure, used for tracking the graphics | |
926 | * configuration of @dev. | |
927 | */ | |
928 | void drm_mode_config_init(struct drm_device *dev) | |
929 | { | |
930 | mutex_init(&dev->mode_config.mutex); | |
ad2563c2 | 931 | mutex_init(&dev->mode_config.idr_mutex); |
f453ba04 | 932 | INIT_LIST_HEAD(&dev->mode_config.fb_list); |
f453ba04 DA |
933 | INIT_LIST_HEAD(&dev->mode_config.crtc_list); |
934 | INIT_LIST_HEAD(&dev->mode_config.connector_list); | |
935 | INIT_LIST_HEAD(&dev->mode_config.encoder_list); | |
936 | INIT_LIST_HEAD(&dev->mode_config.property_list); | |
937 | INIT_LIST_HEAD(&dev->mode_config.property_blob_list); | |
8cf5c917 | 938 | INIT_LIST_HEAD(&dev->mode_config.plane_list); |
f453ba04 DA |
939 | idr_init(&dev->mode_config.crtc_idr); |
940 | ||
941 | mutex_lock(&dev->mode_config.mutex); | |
942 | drm_mode_create_standard_connector_properties(dev); | |
943 | mutex_unlock(&dev->mode_config.mutex); | |
944 | ||
945 | /* Just to be sure */ | |
946 | dev->mode_config.num_fb = 0; | |
947 | dev->mode_config.num_connector = 0; | |
948 | dev->mode_config.num_crtc = 0; | |
949 | dev->mode_config.num_encoder = 0; | |
f453ba04 DA |
950 | } |
951 | EXPORT_SYMBOL(drm_mode_config_init); | |
952 | ||
953 | int drm_mode_group_init(struct drm_device *dev, struct drm_mode_group *group) | |
954 | { | |
955 | uint32_t total_objects = 0; | |
956 | ||
957 | total_objects += dev->mode_config.num_crtc; | |
958 | total_objects += dev->mode_config.num_connector; | |
959 | total_objects += dev->mode_config.num_encoder; | |
960 | ||
f453ba04 DA |
961 | group->id_list = kzalloc(total_objects * sizeof(uint32_t), GFP_KERNEL); |
962 | if (!group->id_list) | |
963 | return -ENOMEM; | |
964 | ||
965 | group->num_crtcs = 0; | |
966 | group->num_connectors = 0; | |
967 | group->num_encoders = 0; | |
968 | return 0; | |
969 | } | |
970 | ||
971 | int drm_mode_group_init_legacy_group(struct drm_device *dev, | |
972 | struct drm_mode_group *group) | |
973 | { | |
974 | struct drm_crtc *crtc; | |
975 | struct drm_encoder *encoder; | |
976 | struct drm_connector *connector; | |
977 | int ret; | |
978 | ||
979 | if ((ret = drm_mode_group_init(dev, group))) | |
980 | return ret; | |
981 | ||
982 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) | |
983 | group->id_list[group->num_crtcs++] = crtc->base.id; | |
984 | ||
985 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) | |
986 | group->id_list[group->num_crtcs + group->num_encoders++] = | |
987 | encoder->base.id; | |
988 | ||
989 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) | |
990 | group->id_list[group->num_crtcs + group->num_encoders + | |
991 | group->num_connectors++] = connector->base.id; | |
992 | ||
993 | return 0; | |
994 | } | |
9c1dfc55 | 995 | EXPORT_SYMBOL(drm_mode_group_init_legacy_group); |
f453ba04 DA |
996 | |
997 | /** | |
998 | * drm_mode_config_cleanup - free up DRM mode_config info | |
999 | * @dev: DRM device | |
1000 | * | |
1001 | * LOCKING: | |
1002 | * Caller must hold mode config lock. | |
1003 | * | |
1004 | * Free up all the connectors and CRTCs associated with this DRM device, then | |
1005 | * free up the framebuffers and associated buffer objects. | |
1006 | * | |
1007 | * FIXME: cleanup any dangling user buffer objects too | |
1008 | */ | |
1009 | void drm_mode_config_cleanup(struct drm_device *dev) | |
1010 | { | |
1011 | struct drm_connector *connector, *ot; | |
1012 | struct drm_crtc *crtc, *ct; | |
1013 | struct drm_encoder *encoder, *enct; | |
1014 | struct drm_framebuffer *fb, *fbt; | |
1015 | struct drm_property *property, *pt; | |
8cf5c917 | 1016 | struct drm_plane *plane, *plt; |
f453ba04 DA |
1017 | |
1018 | list_for_each_entry_safe(encoder, enct, &dev->mode_config.encoder_list, | |
1019 | head) { | |
1020 | encoder->funcs->destroy(encoder); | |
1021 | } | |
1022 | ||
1023 | list_for_each_entry_safe(connector, ot, | |
1024 | &dev->mode_config.connector_list, head) { | |
1025 | connector->funcs->destroy(connector); | |
1026 | } | |
1027 | ||
1028 | list_for_each_entry_safe(property, pt, &dev->mode_config.property_list, | |
1029 | head) { | |
1030 | drm_property_destroy(dev, property); | |
1031 | } | |
1032 | ||
1033 | list_for_each_entry_safe(fb, fbt, &dev->mode_config.fb_list, head) { | |
1034 | fb->funcs->destroy(fb); | |
1035 | } | |
1036 | ||
8cf5c917 JB |
1037 | list_for_each_entry_safe(plane, plt, &dev->mode_config.plane_list, |
1038 | head) { | |
1039 | plane->funcs->destroy(plane); | |
1040 | } | |
59ce062e | 1041 | |
3184009c CW |
1042 | list_for_each_entry_safe(crtc, ct, &dev->mode_config.crtc_list, head) { |
1043 | crtc->funcs->destroy(crtc); | |
1044 | } | |
1045 | ||
59ce062e SH |
1046 | idr_remove_all(&dev->mode_config.crtc_idr); |
1047 | idr_destroy(&dev->mode_config.crtc_idr); | |
f453ba04 DA |
1048 | } |
1049 | EXPORT_SYMBOL(drm_mode_config_cleanup); | |
1050 | ||
f453ba04 DA |
1051 | /** |
1052 | * drm_crtc_convert_to_umode - convert a drm_display_mode into a modeinfo | |
1053 | * @out: drm_mode_modeinfo struct to return to the user | |
1054 | * @in: drm_display_mode to use | |
1055 | * | |
1056 | * LOCKING: | |
1057 | * None. | |
1058 | * | |
1059 | * Convert a drm_display_mode into a drm_mode_modeinfo structure to return to | |
1060 | * the user. | |
1061 | */ | |
93bbf6db VS |
1062 | static void drm_crtc_convert_to_umode(struct drm_mode_modeinfo *out, |
1063 | const struct drm_display_mode *in) | |
f453ba04 | 1064 | { |
e36fae38 VS |
1065 | WARN(in->hdisplay > USHRT_MAX || in->hsync_start > USHRT_MAX || |
1066 | in->hsync_end > USHRT_MAX || in->htotal > USHRT_MAX || | |
1067 | in->hskew > USHRT_MAX || in->vdisplay > USHRT_MAX || | |
1068 | in->vsync_start > USHRT_MAX || in->vsync_end > USHRT_MAX || | |
1069 | in->vtotal > USHRT_MAX || in->vscan > USHRT_MAX, | |
1070 | "timing values too large for mode info\n"); | |
1071 | ||
f453ba04 DA |
1072 | out->clock = in->clock; |
1073 | out->hdisplay = in->hdisplay; | |
1074 | out->hsync_start = in->hsync_start; | |
1075 | out->hsync_end = in->hsync_end; | |
1076 | out->htotal = in->htotal; | |
1077 | out->hskew = in->hskew; | |
1078 | out->vdisplay = in->vdisplay; | |
1079 | out->vsync_start = in->vsync_start; | |
1080 | out->vsync_end = in->vsync_end; | |
1081 | out->vtotal = in->vtotal; | |
1082 | out->vscan = in->vscan; | |
1083 | out->vrefresh = in->vrefresh; | |
1084 | out->flags = in->flags; | |
1085 | out->type = in->type; | |
1086 | strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN); | |
1087 | out->name[DRM_DISPLAY_MODE_LEN-1] = 0; | |
1088 | } | |
1089 | ||
1090 | /** | |
1091 | * drm_crtc_convert_to_umode - convert a modeinfo into a drm_display_mode | |
1092 | * @out: drm_display_mode to return to the user | |
1093 | * @in: drm_mode_modeinfo to use | |
1094 | * | |
1095 | * LOCKING: | |
1096 | * None. | |
1097 | * | |
1098 | * Convert a drm_mode_modeinfo into a drm_display_mode structure to return to | |
1099 | * the caller. | |
90367bf6 VS |
1100 | * |
1101 | * RETURNS: | |
1102 | * Zero on success, errno on failure. | |
f453ba04 | 1103 | */ |
93bbf6db VS |
1104 | static int drm_crtc_convert_umode(struct drm_display_mode *out, |
1105 | const struct drm_mode_modeinfo *in) | |
f453ba04 | 1106 | { |
90367bf6 VS |
1107 | if (in->clock > INT_MAX || in->vrefresh > INT_MAX) |
1108 | return -ERANGE; | |
1109 | ||
f453ba04 DA |
1110 | out->clock = in->clock; |
1111 | out->hdisplay = in->hdisplay; | |
1112 | out->hsync_start = in->hsync_start; | |
1113 | out->hsync_end = in->hsync_end; | |
1114 | out->htotal = in->htotal; | |
1115 | out->hskew = in->hskew; | |
1116 | out->vdisplay = in->vdisplay; | |
1117 | out->vsync_start = in->vsync_start; | |
1118 | out->vsync_end = in->vsync_end; | |
1119 | out->vtotal = in->vtotal; | |
1120 | out->vscan = in->vscan; | |
1121 | out->vrefresh = in->vrefresh; | |
1122 | out->flags = in->flags; | |
1123 | out->type = in->type; | |
1124 | strncpy(out->name, in->name, DRM_DISPLAY_MODE_LEN); | |
1125 | out->name[DRM_DISPLAY_MODE_LEN-1] = 0; | |
90367bf6 VS |
1126 | |
1127 | return 0; | |
f453ba04 DA |
1128 | } |
1129 | ||
1130 | /** | |
1131 | * drm_mode_getresources - get graphics configuration | |
1132 | * @inode: inode from the ioctl | |
1133 | * @filp: file * from the ioctl | |
1134 | * @cmd: cmd from ioctl | |
1135 | * @arg: arg from ioctl | |
1136 | * | |
1137 | * LOCKING: | |
1138 | * Takes mode config lock. | |
1139 | * | |
1140 | * Construct a set of configuration description structures and return | |
1141 | * them to the user, including CRTC, connector and framebuffer configuration. | |
1142 | * | |
1143 | * Called by the user via ioctl. | |
1144 | * | |
1145 | * RETURNS: | |
1146 | * Zero on success, errno on failure. | |
1147 | */ | |
1148 | int drm_mode_getresources(struct drm_device *dev, void *data, | |
1149 | struct drm_file *file_priv) | |
1150 | { | |
1151 | struct drm_mode_card_res *card_res = data; | |
1152 | struct list_head *lh; | |
1153 | struct drm_framebuffer *fb; | |
1154 | struct drm_connector *connector; | |
1155 | struct drm_crtc *crtc; | |
1156 | struct drm_encoder *encoder; | |
1157 | int ret = 0; | |
1158 | int connector_count = 0; | |
1159 | int crtc_count = 0; | |
1160 | int fb_count = 0; | |
1161 | int encoder_count = 0; | |
1162 | int copied = 0, i; | |
1163 | uint32_t __user *fb_id; | |
1164 | uint32_t __user *crtc_id; | |
1165 | uint32_t __user *connector_id; | |
1166 | uint32_t __user *encoder_id; | |
1167 | struct drm_mode_group *mode_group; | |
1168 | ||
fb3b06c8 DA |
1169 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
1170 | return -EINVAL; | |
1171 | ||
f453ba04 DA |
1172 | mutex_lock(&dev->mode_config.mutex); |
1173 | ||
1174 | /* | |
1175 | * For the non-control nodes we need to limit the list of resources | |
1176 | * by IDs in the group list for this node | |
1177 | */ | |
1178 | list_for_each(lh, &file_priv->fbs) | |
1179 | fb_count++; | |
1180 | ||
1181 | mode_group = &file_priv->master->minor->mode_group; | |
1182 | if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { | |
1183 | ||
1184 | list_for_each(lh, &dev->mode_config.crtc_list) | |
1185 | crtc_count++; | |
1186 | ||
1187 | list_for_each(lh, &dev->mode_config.connector_list) | |
1188 | connector_count++; | |
1189 | ||
1190 | list_for_each(lh, &dev->mode_config.encoder_list) | |
1191 | encoder_count++; | |
1192 | } else { | |
1193 | ||
1194 | crtc_count = mode_group->num_crtcs; | |
1195 | connector_count = mode_group->num_connectors; | |
1196 | encoder_count = mode_group->num_encoders; | |
1197 | } | |
1198 | ||
1199 | card_res->max_height = dev->mode_config.max_height; | |
1200 | card_res->min_height = dev->mode_config.min_height; | |
1201 | card_res->max_width = dev->mode_config.max_width; | |
1202 | card_res->min_width = dev->mode_config.min_width; | |
1203 | ||
1204 | /* handle this in 4 parts */ | |
1205 | /* FBs */ | |
1206 | if (card_res->count_fbs >= fb_count) { | |
1207 | copied = 0; | |
1208 | fb_id = (uint32_t __user *)(unsigned long)card_res->fb_id_ptr; | |
618c75e4 | 1209 | list_for_each_entry(fb, &file_priv->fbs, filp_head) { |
f453ba04 DA |
1210 | if (put_user(fb->base.id, fb_id + copied)) { |
1211 | ret = -EFAULT; | |
1212 | goto out; | |
1213 | } | |
1214 | copied++; | |
1215 | } | |
1216 | } | |
1217 | card_res->count_fbs = fb_count; | |
1218 | ||
1219 | /* CRTCs */ | |
1220 | if (card_res->count_crtcs >= crtc_count) { | |
1221 | copied = 0; | |
1222 | crtc_id = (uint32_t __user *)(unsigned long)card_res->crtc_id_ptr; | |
1223 | if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { | |
1224 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, | |
1225 | head) { | |
9440106b | 1226 | DRM_DEBUG_KMS("[CRTC:%d]\n", crtc->base.id); |
f453ba04 DA |
1227 | if (put_user(crtc->base.id, crtc_id + copied)) { |
1228 | ret = -EFAULT; | |
1229 | goto out; | |
1230 | } | |
1231 | copied++; | |
1232 | } | |
1233 | } else { | |
1234 | for (i = 0; i < mode_group->num_crtcs; i++) { | |
1235 | if (put_user(mode_group->id_list[i], | |
1236 | crtc_id + copied)) { | |
1237 | ret = -EFAULT; | |
1238 | goto out; | |
1239 | } | |
1240 | copied++; | |
1241 | } | |
1242 | } | |
1243 | } | |
1244 | card_res->count_crtcs = crtc_count; | |
1245 | ||
1246 | /* Encoders */ | |
1247 | if (card_res->count_encoders >= encoder_count) { | |
1248 | copied = 0; | |
1249 | encoder_id = (uint32_t __user *)(unsigned long)card_res->encoder_id_ptr; | |
1250 | if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { | |
1251 | list_for_each_entry(encoder, | |
1252 | &dev->mode_config.encoder_list, | |
1253 | head) { | |
9440106b JG |
1254 | DRM_DEBUG_KMS("[ENCODER:%d:%s]\n", encoder->base.id, |
1255 | drm_get_encoder_name(encoder)); | |
f453ba04 DA |
1256 | if (put_user(encoder->base.id, encoder_id + |
1257 | copied)) { | |
1258 | ret = -EFAULT; | |
1259 | goto out; | |
1260 | } | |
1261 | copied++; | |
1262 | } | |
1263 | } else { | |
1264 | for (i = mode_group->num_crtcs; i < mode_group->num_crtcs + mode_group->num_encoders; i++) { | |
1265 | if (put_user(mode_group->id_list[i], | |
1266 | encoder_id + copied)) { | |
1267 | ret = -EFAULT; | |
1268 | goto out; | |
1269 | } | |
1270 | copied++; | |
1271 | } | |
1272 | ||
1273 | } | |
1274 | } | |
1275 | card_res->count_encoders = encoder_count; | |
1276 | ||
1277 | /* Connectors */ | |
1278 | if (card_res->count_connectors >= connector_count) { | |
1279 | copied = 0; | |
1280 | connector_id = (uint32_t __user *)(unsigned long)card_res->connector_id_ptr; | |
1281 | if (file_priv->master->minor->type == DRM_MINOR_CONTROL) { | |
1282 | list_for_each_entry(connector, | |
1283 | &dev->mode_config.connector_list, | |
1284 | head) { | |
9440106b JG |
1285 | DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n", |
1286 | connector->base.id, | |
1287 | drm_get_connector_name(connector)); | |
f453ba04 DA |
1288 | if (put_user(connector->base.id, |
1289 | connector_id + copied)) { | |
1290 | ret = -EFAULT; | |
1291 | goto out; | |
1292 | } | |
1293 | copied++; | |
1294 | } | |
1295 | } else { | |
1296 | int start = mode_group->num_crtcs + | |
1297 | mode_group->num_encoders; | |
1298 | for (i = start; i < start + mode_group->num_connectors; i++) { | |
1299 | if (put_user(mode_group->id_list[i], | |
1300 | connector_id + copied)) { | |
1301 | ret = -EFAULT; | |
1302 | goto out; | |
1303 | } | |
1304 | copied++; | |
1305 | } | |
1306 | } | |
1307 | } | |
1308 | card_res->count_connectors = connector_count; | |
1309 | ||
9440106b | 1310 | DRM_DEBUG_KMS("CRTC[%d] CONNECTORS[%d] ENCODERS[%d]\n", card_res->count_crtcs, |
f453ba04 DA |
1311 | card_res->count_connectors, card_res->count_encoders); |
1312 | ||
1313 | out: | |
1314 | mutex_unlock(&dev->mode_config.mutex); | |
1315 | return ret; | |
1316 | } | |
1317 | ||
1318 | /** | |
1319 | * drm_mode_getcrtc - get CRTC configuration | |
1320 | * @inode: inode from the ioctl | |
1321 | * @filp: file * from the ioctl | |
1322 | * @cmd: cmd from ioctl | |
1323 | * @arg: arg from ioctl | |
1324 | * | |
1325 | * LOCKING: | |
b20f3867 | 1326 | * Takes mode config lock. |
f453ba04 DA |
1327 | * |
1328 | * Construct a CRTC configuration structure to return to the user. | |
1329 | * | |
1330 | * Called by the user via ioctl. | |
1331 | * | |
1332 | * RETURNS: | |
1333 | * Zero on success, errno on failure. | |
1334 | */ | |
1335 | int drm_mode_getcrtc(struct drm_device *dev, | |
1336 | void *data, struct drm_file *file_priv) | |
1337 | { | |
1338 | struct drm_mode_crtc *crtc_resp = data; | |
1339 | struct drm_crtc *crtc; | |
1340 | struct drm_mode_object *obj; | |
1341 | int ret = 0; | |
1342 | ||
fb3b06c8 DA |
1343 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
1344 | return -EINVAL; | |
1345 | ||
f453ba04 DA |
1346 | mutex_lock(&dev->mode_config.mutex); |
1347 | ||
1348 | obj = drm_mode_object_find(dev, crtc_resp->crtc_id, | |
1349 | DRM_MODE_OBJECT_CRTC); | |
1350 | if (!obj) { | |
1351 | ret = -EINVAL; | |
1352 | goto out; | |
1353 | } | |
1354 | crtc = obj_to_crtc(obj); | |
1355 | ||
1356 | crtc_resp->x = crtc->x; | |
1357 | crtc_resp->y = crtc->y; | |
1358 | crtc_resp->gamma_size = crtc->gamma_size; | |
1359 | if (crtc->fb) | |
1360 | crtc_resp->fb_id = crtc->fb->base.id; | |
1361 | else | |
1362 | crtc_resp->fb_id = 0; | |
1363 | ||
1364 | if (crtc->enabled) { | |
1365 | ||
1366 | drm_crtc_convert_to_umode(&crtc_resp->mode, &crtc->mode); | |
1367 | crtc_resp->mode_valid = 1; | |
1368 | ||
1369 | } else { | |
1370 | crtc_resp->mode_valid = 0; | |
1371 | } | |
1372 | ||
1373 | out: | |
1374 | mutex_unlock(&dev->mode_config.mutex); | |
1375 | return ret; | |
1376 | } | |
1377 | ||
1378 | /** | |
1379 | * drm_mode_getconnector - get connector configuration | |
1380 | * @inode: inode from the ioctl | |
1381 | * @filp: file * from the ioctl | |
1382 | * @cmd: cmd from ioctl | |
1383 | * @arg: arg from ioctl | |
1384 | * | |
1385 | * LOCKING: | |
b20f3867 | 1386 | * Takes mode config lock. |
f453ba04 DA |
1387 | * |
1388 | * Construct a connector configuration structure to return to the user. | |
1389 | * | |
1390 | * Called by the user via ioctl. | |
1391 | * | |
1392 | * RETURNS: | |
1393 | * Zero on success, errno on failure. | |
1394 | */ | |
1395 | int drm_mode_getconnector(struct drm_device *dev, void *data, | |
1396 | struct drm_file *file_priv) | |
1397 | { | |
1398 | struct drm_mode_get_connector *out_resp = data; | |
1399 | struct drm_mode_object *obj; | |
1400 | struct drm_connector *connector; | |
1401 | struct drm_display_mode *mode; | |
1402 | int mode_count = 0; | |
1403 | int props_count = 0; | |
1404 | int encoders_count = 0; | |
1405 | int ret = 0; | |
1406 | int copied = 0; | |
1407 | int i; | |
1408 | struct drm_mode_modeinfo u_mode; | |
1409 | struct drm_mode_modeinfo __user *mode_ptr; | |
1410 | uint32_t __user *prop_ptr; | |
1411 | uint64_t __user *prop_values; | |
1412 | uint32_t __user *encoder_ptr; | |
1413 | ||
fb3b06c8 DA |
1414 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
1415 | return -EINVAL; | |
1416 | ||
f453ba04 DA |
1417 | memset(&u_mode, 0, sizeof(struct drm_mode_modeinfo)); |
1418 | ||
9440106b | 1419 | DRM_DEBUG_KMS("[CONNECTOR:%d:?]\n", out_resp->connector_id); |
f453ba04 DA |
1420 | |
1421 | mutex_lock(&dev->mode_config.mutex); | |
1422 | ||
1423 | obj = drm_mode_object_find(dev, out_resp->connector_id, | |
1424 | DRM_MODE_OBJECT_CONNECTOR); | |
1425 | if (!obj) { | |
1426 | ret = -EINVAL; | |
1427 | goto out; | |
1428 | } | |
1429 | connector = obj_to_connector(obj); | |
1430 | ||
7f88a9be | 1431 | props_count = connector->properties.count; |
f453ba04 DA |
1432 | |
1433 | for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { | |
1434 | if (connector->encoder_ids[i] != 0) { | |
1435 | encoders_count++; | |
1436 | } | |
1437 | } | |
1438 | ||
1439 | if (out_resp->count_modes == 0) { | |
1440 | connector->funcs->fill_modes(connector, | |
1441 | dev->mode_config.max_width, | |
1442 | dev->mode_config.max_height); | |
1443 | } | |
1444 | ||
1445 | /* delayed so we get modes regardless of pre-fill_modes state */ | |
1446 | list_for_each_entry(mode, &connector->modes, head) | |
1447 | mode_count++; | |
1448 | ||
1449 | out_resp->connector_id = connector->base.id; | |
1450 | out_resp->connector_type = connector->connector_type; | |
1451 | out_resp->connector_type_id = connector->connector_type_id; | |
1452 | out_resp->mm_width = connector->display_info.width_mm; | |
1453 | out_resp->mm_height = connector->display_info.height_mm; | |
1454 | out_resp->subpixel = connector->display_info.subpixel_order; | |
1455 | out_resp->connection = connector->status; | |
1456 | if (connector->encoder) | |
1457 | out_resp->encoder_id = connector->encoder->base.id; | |
1458 | else | |
1459 | out_resp->encoder_id = 0; | |
1460 | ||
1461 | /* | |
1462 | * This ioctl is called twice, once to determine how much space is | |
1463 | * needed, and the 2nd time to fill it. | |
1464 | */ | |
1465 | if ((out_resp->count_modes >= mode_count) && mode_count) { | |
1466 | copied = 0; | |
81f6c7f8 | 1467 | mode_ptr = (struct drm_mode_modeinfo __user *)(unsigned long)out_resp->modes_ptr; |
f453ba04 DA |
1468 | list_for_each_entry(mode, &connector->modes, head) { |
1469 | drm_crtc_convert_to_umode(&u_mode, mode); | |
1470 | if (copy_to_user(mode_ptr + copied, | |
1471 | &u_mode, sizeof(u_mode))) { | |
1472 | ret = -EFAULT; | |
1473 | goto out; | |
1474 | } | |
1475 | copied++; | |
1476 | } | |
1477 | } | |
1478 | out_resp->count_modes = mode_count; | |
1479 | ||
1480 | if ((out_resp->count_props >= props_count) && props_count) { | |
1481 | copied = 0; | |
81f6c7f8 VS |
1482 | prop_ptr = (uint32_t __user *)(unsigned long)(out_resp->props_ptr); |
1483 | prop_values = (uint64_t __user *)(unsigned long)(out_resp->prop_values_ptr); | |
7f88a9be PZ |
1484 | for (i = 0; i < connector->properties.count; i++) { |
1485 | if (put_user(connector->properties.ids[i], | |
1486 | prop_ptr + copied)) { | |
1487 | ret = -EFAULT; | |
1488 | goto out; | |
1489 | } | |
f453ba04 | 1490 | |
7f88a9be PZ |
1491 | if (put_user(connector->properties.values[i], |
1492 | prop_values + copied)) { | |
1493 | ret = -EFAULT; | |
1494 | goto out; | |
f453ba04 | 1495 | } |
7f88a9be | 1496 | copied++; |
f453ba04 DA |
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; | |
4a1b0714 | 1833 | int ret; |
f453ba04 DA |
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 | ||
7c4eaca4 | 1984 | if (!req->flags || (~DRM_MODE_CURSOR_FLAGS & 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)) { | |
1aa1b11c | 2105 | DRM_DEBUG_KMS("could not create framebuffer\n"); |
308e5bcb JB |
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 | ||
cff91b62 | 2119 | static int format_check(const struct drm_mode_fb_cmd2 *r) |
935b5977 VS |
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: | |
ba623f6a LP |
2172 | case DRM_FORMAT_NV24: |
2173 | case DRM_FORMAT_NV42: | |
935b5977 VS |
2174 | case DRM_FORMAT_YUV410: |
2175 | case DRM_FORMAT_YVU410: | |
2176 | case DRM_FORMAT_YUV411: | |
2177 | case DRM_FORMAT_YVU411: | |
2178 | case DRM_FORMAT_YUV420: | |
2179 | case DRM_FORMAT_YVU420: | |
2180 | case DRM_FORMAT_YUV422: | |
2181 | case DRM_FORMAT_YVU422: | |
2182 | case DRM_FORMAT_YUV444: | |
2183 | case DRM_FORMAT_YVU444: | |
2184 | return 0; | |
2185 | default: | |
2186 | return -EINVAL; | |
2187 | } | |
2188 | } | |
2189 | ||
cff91b62 | 2190 | static int framebuffer_check(const struct drm_mode_fb_cmd2 *r) |
d1b45d5f VS |
2191 | { |
2192 | int ret, hsub, vsub, num_planes, i; | |
2193 | ||
2194 | ret = format_check(r); | |
2195 | if (ret) { | |
1aa1b11c | 2196 | DRM_DEBUG_KMS("bad framebuffer format 0x%08x\n", r->pixel_format); |
d1b45d5f VS |
2197 | return ret; |
2198 | } | |
2199 | ||
2200 | hsub = drm_format_horz_chroma_subsampling(r->pixel_format); | |
2201 | vsub = drm_format_vert_chroma_subsampling(r->pixel_format); | |
2202 | num_planes = drm_format_num_planes(r->pixel_format); | |
2203 | ||
2204 | if (r->width == 0 || r->width % hsub) { | |
1aa1b11c | 2205 | DRM_DEBUG_KMS("bad framebuffer width %u\n", r->height); |
d1b45d5f VS |
2206 | return -EINVAL; |
2207 | } | |
2208 | ||
2209 | if (r->height == 0 || r->height % vsub) { | |
1aa1b11c | 2210 | DRM_DEBUG_KMS("bad framebuffer height %u\n", r->height); |
d1b45d5f VS |
2211 | return -EINVAL; |
2212 | } | |
2213 | ||
2214 | for (i = 0; i < num_planes; i++) { | |
2215 | unsigned int width = r->width / (i != 0 ? hsub : 1); | |
2216 | ||
2217 | if (!r->handles[i]) { | |
1aa1b11c | 2218 | DRM_DEBUG_KMS("no buffer object handle for plane %d\n", i); |
d1b45d5f VS |
2219 | return -EINVAL; |
2220 | } | |
2221 | ||
2222 | if (r->pitches[i] < drm_format_plane_cpp(r->pixel_format, i) * width) { | |
1aa1b11c | 2223 | DRM_DEBUG_KMS("bad pitch %u for plane %d\n", r->pitches[i], i); |
d1b45d5f VS |
2224 | return -EINVAL; |
2225 | } | |
2226 | } | |
2227 | ||
2228 | return 0; | |
2229 | } | |
2230 | ||
308e5bcb JB |
2231 | /** |
2232 | * drm_mode_addfb2 - add an FB to the graphics configuration | |
2233 | * @inode: inode from the ioctl | |
2234 | * @filp: file * from the ioctl | |
2235 | * @cmd: cmd from ioctl | |
2236 | * @arg: arg from ioctl | |
2237 | * | |
2238 | * LOCKING: | |
2239 | * Takes mode config lock. | |
2240 | * | |
2241 | * Add a new FB to the specified CRTC, given a user request with format. | |
2242 | * | |
2243 | * Called by the user via ioctl. | |
2244 | * | |
2245 | * RETURNS: | |
2246 | * Zero on success, errno on failure. | |
2247 | */ | |
2248 | int drm_mode_addfb2(struct drm_device *dev, | |
2249 | void *data, struct drm_file *file_priv) | |
2250 | { | |
2251 | struct drm_mode_fb_cmd2 *r = data; | |
f453ba04 DA |
2252 | struct drm_mode_config *config = &dev->mode_config; |
2253 | struct drm_framebuffer *fb; | |
4a1b0714 | 2254 | int ret; |
f453ba04 | 2255 | |
fb3b06c8 DA |
2256 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2257 | return -EINVAL; | |
2258 | ||
f453ba04 | 2259 | if ((config->min_width > r->width) || (r->width > config->max_width)) { |
1aa1b11c | 2260 | DRM_DEBUG_KMS("bad framebuffer width %d, should be >= %d && <= %d\n", |
8cf5c917 | 2261 | r->width, config->min_width, config->max_width); |
f453ba04 DA |
2262 | return -EINVAL; |
2263 | } | |
2264 | if ((config->min_height > r->height) || (r->height > config->max_height)) { | |
1aa1b11c | 2265 | DRM_DEBUG_KMS("bad framebuffer height %d, should be >= %d && <= %d\n", |
8cf5c917 | 2266 | r->height, config->min_height, config->max_height); |
f453ba04 DA |
2267 | return -EINVAL; |
2268 | } | |
2269 | ||
d1b45d5f VS |
2270 | ret = framebuffer_check(r); |
2271 | if (ret) | |
935b5977 | 2272 | return ret; |
935b5977 | 2273 | |
f453ba04 DA |
2274 | mutex_lock(&dev->mode_config.mutex); |
2275 | ||
f453ba04 | 2276 | fb = dev->mode_config.funcs->fb_create(dev, file_priv, r); |
cce13ff7 | 2277 | if (IS_ERR(fb)) { |
1aa1b11c | 2278 | DRM_DEBUG_KMS("could not create framebuffer\n"); |
cce13ff7 | 2279 | ret = PTR_ERR(fb); |
f453ba04 DA |
2280 | goto out; |
2281 | } | |
2282 | ||
e0c8463a | 2283 | r->fb_id = fb->base.id; |
f453ba04 | 2284 | list_add(&fb->filp_head, &file_priv->fbs); |
9440106b | 2285 | DRM_DEBUG_KMS("[FB:%d]\n", fb->base.id); |
f453ba04 DA |
2286 | |
2287 | out: | |
2288 | mutex_unlock(&dev->mode_config.mutex); | |
2289 | return ret; | |
2290 | } | |
2291 | ||
2292 | /** | |
2293 | * drm_mode_rmfb - remove an FB from the configuration | |
2294 | * @inode: inode from the ioctl | |
2295 | * @filp: file * from the ioctl | |
2296 | * @cmd: cmd from ioctl | |
2297 | * @arg: arg from ioctl | |
2298 | * | |
2299 | * LOCKING: | |
2300 | * Takes mode config lock. | |
2301 | * | |
2302 | * Remove the FB specified by the user. | |
2303 | * | |
2304 | * Called by the user via ioctl. | |
2305 | * | |
2306 | * RETURNS: | |
2307 | * Zero on success, errno on failure. | |
2308 | */ | |
2309 | int drm_mode_rmfb(struct drm_device *dev, | |
2310 | void *data, struct drm_file *file_priv) | |
2311 | { | |
2312 | struct drm_mode_object *obj; | |
2313 | struct drm_framebuffer *fb = NULL; | |
2314 | struct drm_framebuffer *fbl = NULL; | |
2315 | uint32_t *id = data; | |
2316 | int ret = 0; | |
2317 | int found = 0; | |
2318 | ||
fb3b06c8 DA |
2319 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2320 | return -EINVAL; | |
2321 | ||
f453ba04 DA |
2322 | mutex_lock(&dev->mode_config.mutex); |
2323 | obj = drm_mode_object_find(dev, *id, DRM_MODE_OBJECT_FB); | |
25985edc | 2324 | /* TODO check that we really get a framebuffer back. */ |
f453ba04 | 2325 | if (!obj) { |
f453ba04 DA |
2326 | ret = -EINVAL; |
2327 | goto out; | |
2328 | } | |
2329 | fb = obj_to_fb(obj); | |
2330 | ||
2331 | list_for_each_entry(fbl, &file_priv->fbs, filp_head) | |
2332 | if (fb == fbl) | |
2333 | found = 1; | |
2334 | ||
2335 | if (!found) { | |
f453ba04 DA |
2336 | ret = -EINVAL; |
2337 | goto out; | |
2338 | } | |
2339 | ||
2340 | /* TODO release all crtc connected to the framebuffer */ | |
2341 | /* TODO unhock the destructor from the buffer object */ | |
2342 | ||
2343 | list_del(&fb->filp_head); | |
2344 | fb->funcs->destroy(fb); | |
2345 | ||
2346 | out: | |
2347 | mutex_unlock(&dev->mode_config.mutex); | |
2348 | return ret; | |
2349 | } | |
2350 | ||
2351 | /** | |
2352 | * drm_mode_getfb - get FB info | |
2353 | * @inode: inode from the ioctl | |
2354 | * @filp: file * from the ioctl | |
2355 | * @cmd: cmd from ioctl | |
2356 | * @arg: arg from ioctl | |
2357 | * | |
2358 | * LOCKING: | |
b20f3867 | 2359 | * Takes mode config lock. |
f453ba04 DA |
2360 | * |
2361 | * Lookup the FB given its ID and return info about it. | |
2362 | * | |
2363 | * Called by the user via ioctl. | |
2364 | * | |
2365 | * RETURNS: | |
2366 | * Zero on success, errno on failure. | |
2367 | */ | |
2368 | int drm_mode_getfb(struct drm_device *dev, | |
2369 | void *data, struct drm_file *file_priv) | |
2370 | { | |
2371 | struct drm_mode_fb_cmd *r = data; | |
2372 | struct drm_mode_object *obj; | |
2373 | struct drm_framebuffer *fb; | |
2374 | int ret = 0; | |
2375 | ||
fb3b06c8 DA |
2376 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2377 | return -EINVAL; | |
2378 | ||
f453ba04 | 2379 | mutex_lock(&dev->mode_config.mutex); |
e0c8463a | 2380 | obj = drm_mode_object_find(dev, r->fb_id, DRM_MODE_OBJECT_FB); |
f453ba04 | 2381 | if (!obj) { |
f453ba04 DA |
2382 | ret = -EINVAL; |
2383 | goto out; | |
2384 | } | |
2385 | fb = obj_to_fb(obj); | |
2386 | ||
2387 | r->height = fb->height; | |
2388 | r->width = fb->width; | |
2389 | r->depth = fb->depth; | |
2390 | r->bpp = fb->bits_per_pixel; | |
01f2c773 | 2391 | r->pitch = fb->pitches[0]; |
f453ba04 DA |
2392 | fb->funcs->create_handle(fb, file_priv, &r->handle); |
2393 | ||
2394 | out: | |
2395 | mutex_unlock(&dev->mode_config.mutex); | |
2396 | return ret; | |
2397 | } | |
2398 | ||
884840aa JB |
2399 | int drm_mode_dirtyfb_ioctl(struct drm_device *dev, |
2400 | void *data, struct drm_file *file_priv) | |
2401 | { | |
2402 | struct drm_clip_rect __user *clips_ptr; | |
2403 | struct drm_clip_rect *clips = NULL; | |
2404 | struct drm_mode_fb_dirty_cmd *r = data; | |
2405 | struct drm_mode_object *obj; | |
2406 | struct drm_framebuffer *fb; | |
2407 | unsigned flags; | |
2408 | int num_clips; | |
4a1b0714 | 2409 | int ret; |
884840aa | 2410 | |
fb3b06c8 DA |
2411 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2412 | return -EINVAL; | |
2413 | ||
884840aa JB |
2414 | mutex_lock(&dev->mode_config.mutex); |
2415 | obj = drm_mode_object_find(dev, r->fb_id, DRM_MODE_OBJECT_FB); | |
2416 | if (!obj) { | |
884840aa JB |
2417 | ret = -EINVAL; |
2418 | goto out_err1; | |
2419 | } | |
2420 | fb = obj_to_fb(obj); | |
2421 | ||
2422 | num_clips = r->num_clips; | |
81f6c7f8 | 2423 | clips_ptr = (struct drm_clip_rect __user *)(unsigned long)r->clips_ptr; |
884840aa JB |
2424 | |
2425 | if (!num_clips != !clips_ptr) { | |
2426 | ret = -EINVAL; | |
2427 | goto out_err1; | |
2428 | } | |
2429 | ||
2430 | flags = DRM_MODE_FB_DIRTY_FLAGS & r->flags; | |
2431 | ||
2432 | /* If userspace annotates copy, clips must come in pairs */ | |
2433 | if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY && (num_clips % 2)) { | |
2434 | ret = -EINVAL; | |
2435 | goto out_err1; | |
2436 | } | |
2437 | ||
2438 | if (num_clips && clips_ptr) { | |
a5cd3351 XW |
2439 | if (num_clips < 0 || num_clips > DRM_MODE_FB_DIRTY_MAX_CLIPS) { |
2440 | ret = -EINVAL; | |
2441 | goto out_err1; | |
2442 | } | |
884840aa JB |
2443 | clips = kzalloc(num_clips * sizeof(*clips), GFP_KERNEL); |
2444 | if (!clips) { | |
2445 | ret = -ENOMEM; | |
2446 | goto out_err1; | |
2447 | } | |
2448 | ||
2449 | ret = copy_from_user(clips, clips_ptr, | |
2450 | num_clips * sizeof(*clips)); | |
e902a358 DC |
2451 | if (ret) { |
2452 | ret = -EFAULT; | |
884840aa | 2453 | goto out_err2; |
e902a358 | 2454 | } |
884840aa JB |
2455 | } |
2456 | ||
2457 | if (fb->funcs->dirty) { | |
02b00162 TH |
2458 | ret = fb->funcs->dirty(fb, file_priv, flags, r->color, |
2459 | clips, num_clips); | |
884840aa JB |
2460 | } else { |
2461 | ret = -ENOSYS; | |
2462 | goto out_err2; | |
2463 | } | |
2464 | ||
2465 | out_err2: | |
2466 | kfree(clips); | |
2467 | out_err1: | |
2468 | mutex_unlock(&dev->mode_config.mutex); | |
2469 | return ret; | |
2470 | } | |
2471 | ||
2472 | ||
f453ba04 DA |
2473 | /** |
2474 | * drm_fb_release - remove and free the FBs on this file | |
2475 | * @filp: file * from the ioctl | |
2476 | * | |
2477 | * LOCKING: | |
2478 | * Takes mode config lock. | |
2479 | * | |
2480 | * Destroy all the FBs associated with @filp. | |
2481 | * | |
2482 | * Called by the user via ioctl. | |
2483 | * | |
2484 | * RETURNS: | |
2485 | * Zero on success, errno on failure. | |
2486 | */ | |
ea39f835 | 2487 | void drm_fb_release(struct drm_file *priv) |
f453ba04 | 2488 | { |
f453ba04 DA |
2489 | struct drm_device *dev = priv->minor->dev; |
2490 | struct drm_framebuffer *fb, *tfb; | |
2491 | ||
2492 | mutex_lock(&dev->mode_config.mutex); | |
2493 | list_for_each_entry_safe(fb, tfb, &priv->fbs, filp_head) { | |
2494 | list_del(&fb->filp_head); | |
2495 | fb->funcs->destroy(fb); | |
2496 | } | |
2497 | mutex_unlock(&dev->mode_config.mutex); | |
2498 | } | |
2499 | ||
2500 | /** | |
2501 | * drm_mode_attachmode - add a mode to the user mode list | |
2502 | * @dev: DRM device | |
2503 | * @connector: connector to add the mode to | |
2504 | * @mode: mode to add | |
2505 | * | |
2506 | * Add @mode to @connector's user mode list. | |
2507 | */ | |
1dd6c8bd VS |
2508 | static void drm_mode_attachmode(struct drm_device *dev, |
2509 | struct drm_connector *connector, | |
2510 | struct drm_display_mode *mode) | |
f453ba04 | 2511 | { |
f453ba04 | 2512 | list_add_tail(&mode->head, &connector->user_modes); |
f453ba04 DA |
2513 | } |
2514 | ||
2515 | int drm_mode_attachmode_crtc(struct drm_device *dev, struct drm_crtc *crtc, | |
ac235daf | 2516 | const struct drm_display_mode *mode) |
f453ba04 DA |
2517 | { |
2518 | struct drm_connector *connector; | |
ac235daf VS |
2519 | int ret = 0; |
2520 | struct drm_display_mode *dup_mode, *next; | |
2521 | LIST_HEAD(list); | |
2522 | ||
f453ba04 DA |
2523 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { |
2524 | if (!connector->encoder) | |
ac235daf | 2525 | continue; |
f453ba04 | 2526 | if (connector->encoder->crtc == crtc) { |
ac235daf VS |
2527 | dup_mode = drm_mode_duplicate(dev, mode); |
2528 | if (!dup_mode) { | |
2529 | ret = -ENOMEM; | |
2530 | goto out; | |
2531 | } | |
2532 | list_add_tail(&dup_mode->head, &list); | |
f453ba04 DA |
2533 | } |
2534 | } | |
ac235daf VS |
2535 | |
2536 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { | |
2537 | if (!connector->encoder) | |
2538 | continue; | |
2539 | if (connector->encoder->crtc == crtc) | |
2540 | list_move_tail(list.next, &connector->user_modes); | |
2541 | } | |
2542 | ||
2543 | WARN_ON(!list_empty(&list)); | |
2544 | ||
2545 | out: | |
2546 | list_for_each_entry_safe(dup_mode, next, &list, head) | |
2547 | drm_mode_destroy(dev, dup_mode); | |
2548 | ||
2549 | return ret; | |
f453ba04 DA |
2550 | } |
2551 | EXPORT_SYMBOL(drm_mode_attachmode_crtc); | |
2552 | ||
2553 | static int drm_mode_detachmode(struct drm_device *dev, | |
2554 | struct drm_connector *connector, | |
2555 | struct drm_display_mode *mode) | |
2556 | { | |
2557 | int found = 0; | |
2558 | int ret = 0; | |
2559 | struct drm_display_mode *match_mode, *t; | |
2560 | ||
2561 | list_for_each_entry_safe(match_mode, t, &connector->user_modes, head) { | |
2562 | if (drm_mode_equal(match_mode, mode)) { | |
2563 | list_del(&match_mode->head); | |
2564 | drm_mode_destroy(dev, match_mode); | |
2565 | found = 1; | |
2566 | break; | |
2567 | } | |
2568 | } | |
2569 | ||
2570 | if (!found) | |
2571 | ret = -EINVAL; | |
2572 | ||
2573 | return ret; | |
2574 | } | |
2575 | ||
2576 | int drm_mode_detachmode_crtc(struct drm_device *dev, struct drm_display_mode *mode) | |
2577 | { | |
2578 | struct drm_connector *connector; | |
2579 | ||
2580 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) { | |
2581 | drm_mode_detachmode(dev, connector, mode); | |
2582 | } | |
2583 | return 0; | |
2584 | } | |
2585 | EXPORT_SYMBOL(drm_mode_detachmode_crtc); | |
2586 | ||
2587 | /** | |
2588 | * drm_fb_attachmode - Attach a user mode to an connector | |
2589 | * @inode: inode from the ioctl | |
2590 | * @filp: file * from the ioctl | |
2591 | * @cmd: cmd from ioctl | |
2592 | * @arg: arg from ioctl | |
2593 | * | |
2594 | * This attaches a user specified mode to an connector. | |
2595 | * Called by the user via ioctl. | |
2596 | * | |
2597 | * RETURNS: | |
2598 | * Zero on success, errno on failure. | |
2599 | */ | |
2600 | int drm_mode_attachmode_ioctl(struct drm_device *dev, | |
2601 | void *data, struct drm_file *file_priv) | |
2602 | { | |
2603 | struct drm_mode_mode_cmd *mode_cmd = data; | |
2604 | struct drm_connector *connector; | |
2605 | struct drm_display_mode *mode; | |
2606 | struct drm_mode_object *obj; | |
2607 | struct drm_mode_modeinfo *umode = &mode_cmd->mode; | |
4a1b0714 | 2608 | int ret; |
f453ba04 | 2609 | |
fb3b06c8 DA |
2610 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2611 | return -EINVAL; | |
2612 | ||
f453ba04 DA |
2613 | mutex_lock(&dev->mode_config.mutex); |
2614 | ||
2615 | obj = drm_mode_object_find(dev, mode_cmd->connector_id, DRM_MODE_OBJECT_CONNECTOR); | |
2616 | if (!obj) { | |
2617 | ret = -EINVAL; | |
2618 | goto out; | |
2619 | } | |
2620 | connector = obj_to_connector(obj); | |
2621 | ||
2622 | mode = drm_mode_create(dev); | |
2623 | if (!mode) { | |
2624 | ret = -ENOMEM; | |
2625 | goto out; | |
2626 | } | |
2627 | ||
90367bf6 VS |
2628 | ret = drm_crtc_convert_umode(mode, umode); |
2629 | if (ret) { | |
2630 | DRM_DEBUG_KMS("Invalid mode\n"); | |
2631 | drm_mode_destroy(dev, mode); | |
2632 | goto out; | |
2633 | } | |
f453ba04 | 2634 | |
1dd6c8bd | 2635 | drm_mode_attachmode(dev, connector, mode); |
f453ba04 DA |
2636 | out: |
2637 | mutex_unlock(&dev->mode_config.mutex); | |
2638 | return ret; | |
2639 | } | |
2640 | ||
2641 | ||
2642 | /** | |
2643 | * drm_fb_detachmode - Detach a user specified mode from an connector | |
2644 | * @inode: inode from the ioctl | |
2645 | * @filp: file * from the ioctl | |
2646 | * @cmd: cmd from ioctl | |
2647 | * @arg: arg from ioctl | |
2648 | * | |
2649 | * Called by the user via ioctl. | |
2650 | * | |
2651 | * RETURNS: | |
2652 | * Zero on success, errno on failure. | |
2653 | */ | |
2654 | int drm_mode_detachmode_ioctl(struct drm_device *dev, | |
2655 | void *data, struct drm_file *file_priv) | |
2656 | { | |
2657 | struct drm_mode_object *obj; | |
2658 | struct drm_mode_mode_cmd *mode_cmd = data; | |
2659 | struct drm_connector *connector; | |
2660 | struct drm_display_mode mode; | |
2661 | struct drm_mode_modeinfo *umode = &mode_cmd->mode; | |
4a1b0714 | 2662 | int ret; |
f453ba04 | 2663 | |
fb3b06c8 DA |
2664 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2665 | return -EINVAL; | |
2666 | ||
f453ba04 DA |
2667 | mutex_lock(&dev->mode_config.mutex); |
2668 | ||
2669 | obj = drm_mode_object_find(dev, mode_cmd->connector_id, DRM_MODE_OBJECT_CONNECTOR); | |
2670 | if (!obj) { | |
2671 | ret = -EINVAL; | |
2672 | goto out; | |
2673 | } | |
2674 | connector = obj_to_connector(obj); | |
2675 | ||
90367bf6 VS |
2676 | ret = drm_crtc_convert_umode(&mode, umode); |
2677 | if (ret) { | |
2678 | DRM_DEBUG_KMS("Invalid mode\n"); | |
2679 | goto out; | |
2680 | } | |
2681 | ||
f453ba04 DA |
2682 | ret = drm_mode_detachmode(dev, connector, &mode); |
2683 | out: | |
2684 | mutex_unlock(&dev->mode_config.mutex); | |
2685 | return ret; | |
2686 | } | |
2687 | ||
2688 | struct drm_property *drm_property_create(struct drm_device *dev, int flags, | |
2689 | const char *name, int num_values) | |
2690 | { | |
2691 | struct drm_property *property = NULL; | |
6bfc56aa | 2692 | int ret; |
f453ba04 DA |
2693 | |
2694 | property = kzalloc(sizeof(struct drm_property), GFP_KERNEL); | |
2695 | if (!property) | |
2696 | return NULL; | |
2697 | ||
2698 | if (num_values) { | |
2699 | property->values = kzalloc(sizeof(uint64_t)*num_values, GFP_KERNEL); | |
2700 | if (!property->values) | |
2701 | goto fail; | |
2702 | } | |
2703 | ||
6bfc56aa VS |
2704 | ret = drm_mode_object_get(dev, &property->base, DRM_MODE_OBJECT_PROPERTY); |
2705 | if (ret) | |
2706 | goto fail; | |
2707 | ||
f453ba04 DA |
2708 | property->flags = flags; |
2709 | property->num_values = num_values; | |
2710 | INIT_LIST_HEAD(&property->enum_blob_list); | |
2711 | ||
471dd2ef | 2712 | if (name) { |
f453ba04 | 2713 | strncpy(property->name, name, DRM_PROP_NAME_LEN); |
471dd2ef VL |
2714 | property->name[DRM_PROP_NAME_LEN-1] = '\0'; |
2715 | } | |
f453ba04 DA |
2716 | |
2717 | list_add_tail(&property->head, &dev->mode_config.property_list); | |
2718 | return property; | |
2719 | fail: | |
6bfc56aa | 2720 | kfree(property->values); |
f453ba04 DA |
2721 | kfree(property); |
2722 | return NULL; | |
2723 | } | |
2724 | EXPORT_SYMBOL(drm_property_create); | |
2725 | ||
4a67d391 SH |
2726 | struct drm_property *drm_property_create_enum(struct drm_device *dev, int flags, |
2727 | const char *name, | |
2728 | const struct drm_prop_enum_list *props, | |
2729 | int num_values) | |
2730 | { | |
2731 | struct drm_property *property; | |
2732 | int i, ret; | |
2733 | ||
2734 | flags |= DRM_MODE_PROP_ENUM; | |
2735 | ||
2736 | property = drm_property_create(dev, flags, name, num_values); | |
2737 | if (!property) | |
2738 | return NULL; | |
2739 | ||
2740 | for (i = 0; i < num_values; i++) { | |
2741 | ret = drm_property_add_enum(property, i, | |
2742 | props[i].type, | |
2743 | props[i].name); | |
2744 | if (ret) { | |
2745 | drm_property_destroy(dev, property); | |
2746 | return NULL; | |
2747 | } | |
2748 | } | |
2749 | ||
2750 | return property; | |
2751 | } | |
2752 | EXPORT_SYMBOL(drm_property_create_enum); | |
2753 | ||
49e27545 RC |
2754 | struct drm_property *drm_property_create_bitmask(struct drm_device *dev, |
2755 | int flags, const char *name, | |
2756 | const struct drm_prop_enum_list *props, | |
2757 | int num_values) | |
2758 | { | |
2759 | struct drm_property *property; | |
2760 | int i, ret; | |
2761 | ||
2762 | flags |= DRM_MODE_PROP_BITMASK; | |
2763 | ||
2764 | property = drm_property_create(dev, flags, name, num_values); | |
2765 | if (!property) | |
2766 | return NULL; | |
2767 | ||
2768 | for (i = 0; i < num_values; i++) { | |
2769 | ret = drm_property_add_enum(property, i, | |
2770 | props[i].type, | |
2771 | props[i].name); | |
2772 | if (ret) { | |
2773 | drm_property_destroy(dev, property); | |
2774 | return NULL; | |
2775 | } | |
2776 | } | |
2777 | ||
2778 | return property; | |
2779 | } | |
2780 | EXPORT_SYMBOL(drm_property_create_bitmask); | |
2781 | ||
d9bc3c02 SH |
2782 | struct drm_property *drm_property_create_range(struct drm_device *dev, int flags, |
2783 | const char *name, | |
2784 | uint64_t min, uint64_t max) | |
2785 | { | |
2786 | struct drm_property *property; | |
2787 | ||
2788 | flags |= DRM_MODE_PROP_RANGE; | |
2789 | ||
2790 | property = drm_property_create(dev, flags, name, 2); | |
2791 | if (!property) | |
2792 | return NULL; | |
2793 | ||
2794 | property->values[0] = min; | |
2795 | property->values[1] = max; | |
2796 | ||
2797 | return property; | |
2798 | } | |
2799 | EXPORT_SYMBOL(drm_property_create_range); | |
2800 | ||
f453ba04 DA |
2801 | int drm_property_add_enum(struct drm_property *property, int index, |
2802 | uint64_t value, const char *name) | |
2803 | { | |
2804 | struct drm_property_enum *prop_enum; | |
2805 | ||
49e27545 RC |
2806 | if (!(property->flags & (DRM_MODE_PROP_ENUM | DRM_MODE_PROP_BITMASK))) |
2807 | return -EINVAL; | |
2808 | ||
2809 | /* | |
2810 | * Bitmask enum properties have the additional constraint of values | |
2811 | * from 0 to 63 | |
2812 | */ | |
2813 | if ((property->flags & DRM_MODE_PROP_BITMASK) && (value > 63)) | |
f453ba04 DA |
2814 | return -EINVAL; |
2815 | ||
2816 | if (!list_empty(&property->enum_blob_list)) { | |
2817 | list_for_each_entry(prop_enum, &property->enum_blob_list, head) { | |
2818 | if (prop_enum->value == value) { | |
2819 | strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN); | |
2820 | prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0'; | |
2821 | return 0; | |
2822 | } | |
2823 | } | |
2824 | } | |
2825 | ||
2826 | prop_enum = kzalloc(sizeof(struct drm_property_enum), GFP_KERNEL); | |
2827 | if (!prop_enum) | |
2828 | return -ENOMEM; | |
2829 | ||
2830 | strncpy(prop_enum->name, name, DRM_PROP_NAME_LEN); | |
2831 | prop_enum->name[DRM_PROP_NAME_LEN-1] = '\0'; | |
2832 | prop_enum->value = value; | |
2833 | ||
2834 | property->values[index] = value; | |
2835 | list_add_tail(&prop_enum->head, &property->enum_blob_list); | |
2836 | return 0; | |
2837 | } | |
2838 | EXPORT_SYMBOL(drm_property_add_enum); | |
2839 | ||
2840 | void drm_property_destroy(struct drm_device *dev, struct drm_property *property) | |
2841 | { | |
2842 | struct drm_property_enum *prop_enum, *pt; | |
2843 | ||
2844 | list_for_each_entry_safe(prop_enum, pt, &property->enum_blob_list, head) { | |
2845 | list_del(&prop_enum->head); | |
2846 | kfree(prop_enum); | |
2847 | } | |
2848 | ||
2849 | if (property->num_values) | |
2850 | kfree(property->values); | |
2851 | drm_mode_object_put(dev, &property->base); | |
2852 | list_del(&property->head); | |
2853 | kfree(property); | |
2854 | } | |
2855 | EXPORT_SYMBOL(drm_property_destroy); | |
2856 | ||
afea2ad5 | 2857 | void drm_connector_attach_property(struct drm_connector *connector, |
f453ba04 DA |
2858 | struct drm_property *property, uint64_t init_val) |
2859 | { | |
0057d8dd | 2860 | drm_object_attach_property(&connector->base, property, init_val); |
f453ba04 DA |
2861 | } |
2862 | EXPORT_SYMBOL(drm_connector_attach_property); | |
2863 | ||
2864 | int drm_connector_property_set_value(struct drm_connector *connector, | |
2865 | struct drm_property *property, uint64_t value) | |
2866 | { | |
0057d8dd | 2867 | return drm_object_property_set_value(&connector->base, property, value); |
f453ba04 DA |
2868 | } |
2869 | EXPORT_SYMBOL(drm_connector_property_set_value); | |
2870 | ||
2871 | int drm_connector_property_get_value(struct drm_connector *connector, | |
2872 | struct drm_property *property, uint64_t *val) | |
2873 | { | |
0057d8dd | 2874 | return drm_object_property_get_value(&connector->base, property, val); |
f453ba04 DA |
2875 | } |
2876 | EXPORT_SYMBOL(drm_connector_property_get_value); | |
2877 | ||
c543188a PZ |
2878 | void drm_object_attach_property(struct drm_mode_object *obj, |
2879 | struct drm_property *property, | |
2880 | uint64_t init_val) | |
2881 | { | |
7f88a9be | 2882 | int count = obj->properties->count; |
c543188a | 2883 | |
7f88a9be PZ |
2884 | if (count == DRM_OBJECT_MAX_PROPERTY) { |
2885 | WARN(1, "Failed to attach object property (type: 0x%x). Please " | |
2886 | "increase DRM_OBJECT_MAX_PROPERTY by 1 for each time " | |
2887 | "you see this message on the same object type.\n", | |
2888 | obj->type); | |
2889 | return; | |
c543188a PZ |
2890 | } |
2891 | ||
7f88a9be PZ |
2892 | obj->properties->ids[count] = property->base.id; |
2893 | obj->properties->values[count] = init_val; | |
2894 | obj->properties->count++; | |
c543188a PZ |
2895 | } |
2896 | EXPORT_SYMBOL(drm_object_attach_property); | |
2897 | ||
2898 | int drm_object_property_set_value(struct drm_mode_object *obj, | |
2899 | struct drm_property *property, uint64_t val) | |
2900 | { | |
2901 | int i; | |
2902 | ||
7f88a9be | 2903 | for (i = 0; i < obj->properties->count; i++) { |
c543188a PZ |
2904 | if (obj->properties->ids[i] == property->base.id) { |
2905 | obj->properties->values[i] = val; | |
2906 | return 0; | |
2907 | } | |
2908 | } | |
2909 | ||
2910 | return -EINVAL; | |
2911 | } | |
2912 | EXPORT_SYMBOL(drm_object_property_set_value); | |
2913 | ||
2914 | int drm_object_property_get_value(struct drm_mode_object *obj, | |
2915 | struct drm_property *property, uint64_t *val) | |
2916 | { | |
2917 | int i; | |
2918 | ||
7f88a9be | 2919 | for (i = 0; i < obj->properties->count; i++) { |
c543188a PZ |
2920 | if (obj->properties->ids[i] == property->base.id) { |
2921 | *val = obj->properties->values[i]; | |
2922 | return 0; | |
2923 | } | |
2924 | } | |
2925 | ||
2926 | return -EINVAL; | |
2927 | } | |
2928 | EXPORT_SYMBOL(drm_object_property_get_value); | |
2929 | ||
f453ba04 DA |
2930 | int drm_mode_getproperty_ioctl(struct drm_device *dev, |
2931 | void *data, struct drm_file *file_priv) | |
2932 | { | |
2933 | struct drm_mode_object *obj; | |
2934 | struct drm_mode_get_property *out_resp = data; | |
2935 | struct drm_property *property; | |
2936 | int enum_count = 0; | |
2937 | int blob_count = 0; | |
2938 | int value_count = 0; | |
2939 | int ret = 0, i; | |
2940 | int copied; | |
2941 | struct drm_property_enum *prop_enum; | |
2942 | struct drm_mode_property_enum __user *enum_ptr; | |
2943 | struct drm_property_blob *prop_blob; | |
81f6c7f8 | 2944 | uint32_t __user *blob_id_ptr; |
f453ba04 DA |
2945 | uint64_t __user *values_ptr; |
2946 | uint32_t __user *blob_length_ptr; | |
2947 | ||
fb3b06c8 DA |
2948 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
2949 | return -EINVAL; | |
2950 | ||
f453ba04 DA |
2951 | mutex_lock(&dev->mode_config.mutex); |
2952 | obj = drm_mode_object_find(dev, out_resp->prop_id, DRM_MODE_OBJECT_PROPERTY); | |
2953 | if (!obj) { | |
2954 | ret = -EINVAL; | |
2955 | goto done; | |
2956 | } | |
2957 | property = obj_to_property(obj); | |
2958 | ||
49e27545 | 2959 | if (property->flags & (DRM_MODE_PROP_ENUM | DRM_MODE_PROP_BITMASK)) { |
f453ba04 DA |
2960 | list_for_each_entry(prop_enum, &property->enum_blob_list, head) |
2961 | enum_count++; | |
2962 | } else if (property->flags & DRM_MODE_PROP_BLOB) { | |
2963 | list_for_each_entry(prop_blob, &property->enum_blob_list, head) | |
2964 | blob_count++; | |
2965 | } | |
2966 | ||
2967 | value_count = property->num_values; | |
2968 | ||
2969 | strncpy(out_resp->name, property->name, DRM_PROP_NAME_LEN); | |
2970 | out_resp->name[DRM_PROP_NAME_LEN-1] = 0; | |
2971 | out_resp->flags = property->flags; | |
2972 | ||
2973 | if ((out_resp->count_values >= value_count) && value_count) { | |
81f6c7f8 | 2974 | values_ptr = (uint64_t __user *)(unsigned long)out_resp->values_ptr; |
f453ba04 DA |
2975 | for (i = 0; i < value_count; i++) { |
2976 | if (copy_to_user(values_ptr + i, &property->values[i], sizeof(uint64_t))) { | |
2977 | ret = -EFAULT; | |
2978 | goto done; | |
2979 | } | |
2980 | } | |
2981 | } | |
2982 | out_resp->count_values = value_count; | |
2983 | ||
49e27545 | 2984 | if (property->flags & (DRM_MODE_PROP_ENUM | DRM_MODE_PROP_BITMASK)) { |
f453ba04 DA |
2985 | if ((out_resp->count_enum_blobs >= enum_count) && enum_count) { |
2986 | copied = 0; | |
81f6c7f8 | 2987 | enum_ptr = (struct drm_mode_property_enum __user *)(unsigned long)out_resp->enum_blob_ptr; |
f453ba04 DA |
2988 | list_for_each_entry(prop_enum, &property->enum_blob_list, head) { |
2989 | ||
2990 | if (copy_to_user(&enum_ptr[copied].value, &prop_enum->value, sizeof(uint64_t))) { | |
2991 | ret = -EFAULT; | |
2992 | goto done; | |
2993 | } | |
2994 | ||
2995 | if (copy_to_user(&enum_ptr[copied].name, | |
2996 | &prop_enum->name, DRM_PROP_NAME_LEN)) { | |
2997 | ret = -EFAULT; | |
2998 | goto done; | |
2999 | } | |
3000 | copied++; | |
3001 | } | |
3002 | } | |
3003 | out_resp->count_enum_blobs = enum_count; | |
3004 | } | |
3005 | ||
3006 | if (property->flags & DRM_MODE_PROP_BLOB) { | |
3007 | if ((out_resp->count_enum_blobs >= blob_count) && blob_count) { | |
3008 | copied = 0; | |
81f6c7f8 VS |
3009 | blob_id_ptr = (uint32_t __user *)(unsigned long)out_resp->enum_blob_ptr; |
3010 | blob_length_ptr = (uint32_t __user *)(unsigned long)out_resp->values_ptr; | |
f453ba04 DA |
3011 | |
3012 | list_for_each_entry(prop_blob, &property->enum_blob_list, head) { | |
3013 | if (put_user(prop_blob->base.id, blob_id_ptr + copied)) { | |
3014 | ret = -EFAULT; | |
3015 | goto done; | |
3016 | } | |
3017 | ||
3018 | if (put_user(prop_blob->length, blob_length_ptr + copied)) { | |
3019 | ret = -EFAULT; | |
3020 | goto done; | |
3021 | } | |
3022 | ||
3023 | copied++; | |
3024 | } | |
3025 | } | |
3026 | out_resp->count_enum_blobs = blob_count; | |
3027 | } | |
3028 | done: | |
3029 | mutex_unlock(&dev->mode_config.mutex); | |
3030 | return ret; | |
3031 | } | |
3032 | ||
3033 | static struct drm_property_blob *drm_property_create_blob(struct drm_device *dev, int length, | |
3034 | void *data) | |
3035 | { | |
3036 | struct drm_property_blob *blob; | |
6bfc56aa | 3037 | int ret; |
f453ba04 DA |
3038 | |
3039 | if (!length || !data) | |
3040 | return NULL; | |
3041 | ||
3042 | blob = kzalloc(sizeof(struct drm_property_blob)+length, GFP_KERNEL); | |
3043 | if (!blob) | |
3044 | return NULL; | |
3045 | ||
6bfc56aa VS |
3046 | ret = drm_mode_object_get(dev, &blob->base, DRM_MODE_OBJECT_BLOB); |
3047 | if (ret) { | |
3048 | kfree(blob); | |
3049 | return NULL; | |
3050 | } | |
3051 | ||
f453ba04 DA |
3052 | blob->length = length; |
3053 | ||
3054 | memcpy(blob->data, data, length); | |
3055 | ||
f453ba04 DA |
3056 | list_add_tail(&blob->head, &dev->mode_config.property_blob_list); |
3057 | return blob; | |
3058 | } | |
3059 | ||
3060 | static void drm_property_destroy_blob(struct drm_device *dev, | |
3061 | struct drm_property_blob *blob) | |
3062 | { | |
3063 | drm_mode_object_put(dev, &blob->base); | |
3064 | list_del(&blob->head); | |
3065 | kfree(blob); | |
3066 | } | |
3067 | ||
3068 | int drm_mode_getblob_ioctl(struct drm_device *dev, | |
3069 | void *data, struct drm_file *file_priv) | |
3070 | { | |
3071 | struct drm_mode_object *obj; | |
3072 | struct drm_mode_get_blob *out_resp = data; | |
3073 | struct drm_property_blob *blob; | |
3074 | int ret = 0; | |
81f6c7f8 | 3075 | void __user *blob_ptr; |
f453ba04 | 3076 | |
fb3b06c8 DA |
3077 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
3078 | return -EINVAL; | |
3079 | ||
f453ba04 DA |
3080 | mutex_lock(&dev->mode_config.mutex); |
3081 | obj = drm_mode_object_find(dev, out_resp->blob_id, DRM_MODE_OBJECT_BLOB); | |
3082 | if (!obj) { | |
3083 | ret = -EINVAL; | |
3084 | goto done; | |
3085 | } | |
3086 | blob = obj_to_blob(obj); | |
3087 | ||
3088 | if (out_resp->length == blob->length) { | |
81f6c7f8 | 3089 | blob_ptr = (void __user *)(unsigned long)out_resp->data; |
f453ba04 DA |
3090 | if (copy_to_user(blob_ptr, blob->data, blob->length)){ |
3091 | ret = -EFAULT; | |
3092 | goto done; | |
3093 | } | |
3094 | } | |
3095 | out_resp->length = blob->length; | |
3096 | ||
3097 | done: | |
3098 | mutex_unlock(&dev->mode_config.mutex); | |
3099 | return ret; | |
3100 | } | |
3101 | ||
3102 | int drm_mode_connector_update_edid_property(struct drm_connector *connector, | |
3103 | struct edid *edid) | |
3104 | { | |
3105 | struct drm_device *dev = connector->dev; | |
4a1b0714 | 3106 | int ret, size; |
f453ba04 DA |
3107 | |
3108 | if (connector->edid_blob_ptr) | |
3109 | drm_property_destroy_blob(dev, connector->edid_blob_ptr); | |
3110 | ||
3111 | /* Delete edid, when there is none. */ | |
3112 | if (!edid) { | |
3113 | connector->edid_blob_ptr = NULL; | |
3114 | ret = drm_connector_property_set_value(connector, dev->mode_config.edid_property, 0); | |
3115 | return ret; | |
3116 | } | |
3117 | ||
7466f4cc AJ |
3118 | size = EDID_LENGTH * (1 + edid->extensions); |
3119 | connector->edid_blob_ptr = drm_property_create_blob(connector->dev, | |
3120 | size, edid); | |
f453ba04 DA |
3121 | |
3122 | ret = drm_connector_property_set_value(connector, | |
3123 | dev->mode_config.edid_property, | |
3124 | connector->edid_blob_ptr->base.id); | |
3125 | ||
3126 | return ret; | |
3127 | } | |
3128 | EXPORT_SYMBOL(drm_mode_connector_update_edid_property); | |
3129 | ||
26a34815 | 3130 | static bool drm_property_change_is_valid(struct drm_property *property, |
592c20ee | 3131 | uint64_t value) |
26a34815 PZ |
3132 | { |
3133 | if (property->flags & DRM_MODE_PROP_IMMUTABLE) | |
3134 | return false; | |
3135 | if (property->flags & DRM_MODE_PROP_RANGE) { | |
3136 | if (value < property->values[0] || value > property->values[1]) | |
3137 | return false; | |
3138 | return true; | |
49e27545 RC |
3139 | } else if (property->flags & DRM_MODE_PROP_BITMASK) { |
3140 | int i; | |
592c20ee | 3141 | uint64_t valid_mask = 0; |
49e27545 RC |
3142 | for (i = 0; i < property->num_values; i++) |
3143 | valid_mask |= (1ULL << property->values[i]); | |
3144 | return !(value & ~valid_mask); | |
26a34815 PZ |
3145 | } else { |
3146 | int i; | |
3147 | for (i = 0; i < property->num_values; i++) | |
3148 | if (property->values[i] == value) | |
3149 | return true; | |
3150 | return false; | |
3151 | } | |
3152 | } | |
3153 | ||
f453ba04 DA |
3154 | int drm_mode_connector_property_set_ioctl(struct drm_device *dev, |
3155 | void *data, struct drm_file *file_priv) | |
3156 | { | |
0057d8dd PZ |
3157 | struct drm_mode_connector_set_property *conn_set_prop = data; |
3158 | struct drm_mode_obj_set_property obj_set_prop = { | |
3159 | .value = conn_set_prop->value, | |
3160 | .prop_id = conn_set_prop->prop_id, | |
3161 | .obj_id = conn_set_prop->connector_id, | |
3162 | .obj_type = DRM_MODE_OBJECT_CONNECTOR | |
3163 | }; | |
fb3b06c8 | 3164 | |
0057d8dd PZ |
3165 | /* It does all the locking and checking we need */ |
3166 | return drm_mode_obj_set_property_ioctl(dev, &obj_set_prop, file_priv); | |
f453ba04 DA |
3167 | } |
3168 | ||
c543188a PZ |
3169 | static int drm_mode_connector_set_obj_prop(struct drm_mode_object *obj, |
3170 | struct drm_property *property, | |
3171 | uint64_t value) | |
3172 | { | |
3173 | int ret = -EINVAL; | |
3174 | struct drm_connector *connector = obj_to_connector(obj); | |
3175 | ||
3176 | /* Do DPMS ourselves */ | |
3177 | if (property == connector->dev->mode_config.dpms_property) { | |
3178 | if (connector->funcs->dpms) | |
3179 | (*connector->funcs->dpms)(connector, (int)value); | |
3180 | ret = 0; | |
3181 | } else if (connector->funcs->set_property) | |
3182 | ret = connector->funcs->set_property(connector, property, value); | |
3183 | ||
3184 | /* store the property value if successful */ | |
3185 | if (!ret) | |
3186 | drm_connector_property_set_value(connector, property, value); | |
3187 | return ret; | |
3188 | } | |
3189 | ||
bffd9de0 PZ |
3190 | static int drm_mode_crtc_set_obj_prop(struct drm_mode_object *obj, |
3191 | struct drm_property *property, | |
3192 | uint64_t value) | |
3193 | { | |
3194 | int ret = -EINVAL; | |
3195 | struct drm_crtc *crtc = obj_to_crtc(obj); | |
3196 | ||
3197 | if (crtc->funcs->set_property) | |
3198 | ret = crtc->funcs->set_property(crtc, property, value); | |
3199 | if (!ret) | |
3200 | drm_object_property_set_value(obj, property, value); | |
3201 | ||
3202 | return ret; | |
3203 | } | |
3204 | ||
4d93914a RC |
3205 | static int drm_mode_plane_set_obj_prop(struct drm_mode_object *obj, |
3206 | struct drm_property *property, | |
3207 | uint64_t value) | |
3208 | { | |
3209 | int ret = -EINVAL; | |
3210 | struct drm_plane *plane = obj_to_plane(obj); | |
3211 | ||
3212 | if (plane->funcs->set_property) | |
3213 | ret = plane->funcs->set_property(plane, property, value); | |
3214 | if (!ret) | |
3215 | drm_object_property_set_value(obj, property, value); | |
3216 | ||
3217 | return ret; | |
3218 | } | |
3219 | ||
c543188a PZ |
3220 | int drm_mode_obj_get_properties_ioctl(struct drm_device *dev, void *data, |
3221 | struct drm_file *file_priv) | |
3222 | { | |
3223 | struct drm_mode_obj_get_properties *arg = data; | |
3224 | struct drm_mode_object *obj; | |
3225 | int ret = 0; | |
3226 | int i; | |
3227 | int copied = 0; | |
3228 | int props_count = 0; | |
3229 | uint32_t __user *props_ptr; | |
3230 | uint64_t __user *prop_values_ptr; | |
3231 | ||
3232 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) | |
3233 | return -EINVAL; | |
3234 | ||
3235 | mutex_lock(&dev->mode_config.mutex); | |
3236 | ||
3237 | obj = drm_mode_object_find(dev, arg->obj_id, arg->obj_type); | |
3238 | if (!obj) { | |
3239 | ret = -EINVAL; | |
3240 | goto out; | |
3241 | } | |
3242 | if (!obj->properties) { | |
3243 | ret = -EINVAL; | |
3244 | goto out; | |
3245 | } | |
3246 | ||
7f88a9be | 3247 | props_count = obj->properties->count; |
c543188a PZ |
3248 | |
3249 | /* This ioctl is called twice, once to determine how much space is | |
3250 | * needed, and the 2nd time to fill it. */ | |
3251 | if ((arg->count_props >= props_count) && props_count) { | |
3252 | copied = 0; | |
3253 | props_ptr = (uint32_t __user *)(unsigned long)(arg->props_ptr); | |
3254 | prop_values_ptr = (uint64_t __user *)(unsigned long) | |
3255 | (arg->prop_values_ptr); | |
3256 | for (i = 0; i < props_count; i++) { | |
3257 | if (put_user(obj->properties->ids[i], | |
3258 | props_ptr + copied)) { | |
3259 | ret = -EFAULT; | |
3260 | goto out; | |
3261 | } | |
3262 | if (put_user(obj->properties->values[i], | |
3263 | prop_values_ptr + copied)) { | |
3264 | ret = -EFAULT; | |
3265 | goto out; | |
3266 | } | |
3267 | copied++; | |
3268 | } | |
3269 | } | |
3270 | arg->count_props = props_count; | |
3271 | out: | |
3272 | mutex_unlock(&dev->mode_config.mutex); | |
3273 | return ret; | |
3274 | } | |
3275 | ||
3276 | int drm_mode_obj_set_property_ioctl(struct drm_device *dev, void *data, | |
3277 | struct drm_file *file_priv) | |
3278 | { | |
3279 | struct drm_mode_obj_set_property *arg = data; | |
3280 | struct drm_mode_object *arg_obj; | |
3281 | struct drm_mode_object *prop_obj; | |
3282 | struct drm_property *property; | |
3283 | int ret = -EINVAL; | |
3284 | int i; | |
3285 | ||
3286 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) | |
3287 | return -EINVAL; | |
3288 | ||
3289 | mutex_lock(&dev->mode_config.mutex); | |
3290 | ||
3291 | arg_obj = drm_mode_object_find(dev, arg->obj_id, arg->obj_type); | |
3292 | if (!arg_obj) | |
3293 | goto out; | |
3294 | if (!arg_obj->properties) | |
3295 | goto out; | |
3296 | ||
7f88a9be | 3297 | for (i = 0; i < arg_obj->properties->count; i++) |
c543188a PZ |
3298 | if (arg_obj->properties->ids[i] == arg->prop_id) |
3299 | break; | |
3300 | ||
7f88a9be | 3301 | if (i == arg_obj->properties->count) |
c543188a PZ |
3302 | goto out; |
3303 | ||
3304 | prop_obj = drm_mode_object_find(dev, arg->prop_id, | |
3305 | DRM_MODE_OBJECT_PROPERTY); | |
3306 | if (!prop_obj) | |
3307 | goto out; | |
3308 | property = obj_to_property(prop_obj); | |
3309 | ||
3310 | if (!drm_property_change_is_valid(property, arg->value)) | |
3311 | goto out; | |
3312 | ||
3313 | switch (arg_obj->type) { | |
3314 | case DRM_MODE_OBJECT_CONNECTOR: | |
3315 | ret = drm_mode_connector_set_obj_prop(arg_obj, property, | |
3316 | arg->value); | |
3317 | break; | |
bffd9de0 PZ |
3318 | case DRM_MODE_OBJECT_CRTC: |
3319 | ret = drm_mode_crtc_set_obj_prop(arg_obj, property, arg->value); | |
3320 | break; | |
4d93914a RC |
3321 | case DRM_MODE_OBJECT_PLANE: |
3322 | ret = drm_mode_plane_set_obj_prop(arg_obj, property, arg->value); | |
3323 | break; | |
c543188a PZ |
3324 | } |
3325 | ||
3326 | out: | |
3327 | mutex_unlock(&dev->mode_config.mutex); | |
3328 | return ret; | |
3329 | } | |
3330 | ||
f453ba04 DA |
3331 | int drm_mode_connector_attach_encoder(struct drm_connector *connector, |
3332 | struct drm_encoder *encoder) | |
3333 | { | |
3334 | int i; | |
3335 | ||
3336 | for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { | |
3337 | if (connector->encoder_ids[i] == 0) { | |
3338 | connector->encoder_ids[i] = encoder->base.id; | |
3339 | return 0; | |
3340 | } | |
3341 | } | |
3342 | return -ENOMEM; | |
3343 | } | |
3344 | EXPORT_SYMBOL(drm_mode_connector_attach_encoder); | |
3345 | ||
3346 | void drm_mode_connector_detach_encoder(struct drm_connector *connector, | |
3347 | struct drm_encoder *encoder) | |
3348 | { | |
3349 | int i; | |
3350 | for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { | |
3351 | if (connector->encoder_ids[i] == encoder->base.id) { | |
3352 | connector->encoder_ids[i] = 0; | |
3353 | if (connector->encoder == encoder) | |
3354 | connector->encoder = NULL; | |
3355 | break; | |
3356 | } | |
3357 | } | |
3358 | } | |
3359 | EXPORT_SYMBOL(drm_mode_connector_detach_encoder); | |
3360 | ||
4cae5b84 | 3361 | int drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc, |
f453ba04 DA |
3362 | int gamma_size) |
3363 | { | |
3364 | crtc->gamma_size = gamma_size; | |
3365 | ||
3366 | crtc->gamma_store = kzalloc(gamma_size * sizeof(uint16_t) * 3, GFP_KERNEL); | |
3367 | if (!crtc->gamma_store) { | |
3368 | crtc->gamma_size = 0; | |
4cae5b84 | 3369 | return -ENOMEM; |
f453ba04 DA |
3370 | } |
3371 | ||
4cae5b84 | 3372 | return 0; |
f453ba04 DA |
3373 | } |
3374 | EXPORT_SYMBOL(drm_mode_crtc_set_gamma_size); | |
3375 | ||
3376 | int drm_mode_gamma_set_ioctl(struct drm_device *dev, | |
3377 | void *data, struct drm_file *file_priv) | |
3378 | { | |
3379 | struct drm_mode_crtc_lut *crtc_lut = data; | |
3380 | struct drm_mode_object *obj; | |
3381 | struct drm_crtc *crtc; | |
3382 | void *r_base, *g_base, *b_base; | |
3383 | int size; | |
3384 | int ret = 0; | |
3385 | ||
fb3b06c8 DA |
3386 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
3387 | return -EINVAL; | |
3388 | ||
f453ba04 DA |
3389 | mutex_lock(&dev->mode_config.mutex); |
3390 | obj = drm_mode_object_find(dev, crtc_lut->crtc_id, DRM_MODE_OBJECT_CRTC); | |
3391 | if (!obj) { | |
3392 | ret = -EINVAL; | |
3393 | goto out; | |
3394 | } | |
3395 | crtc = obj_to_crtc(obj); | |
3396 | ||
ebe0f244 LP |
3397 | if (crtc->funcs->gamma_set == NULL) { |
3398 | ret = -ENOSYS; | |
3399 | goto out; | |
3400 | } | |
3401 | ||
f453ba04 DA |
3402 | /* memcpy into gamma store */ |
3403 | if (crtc_lut->gamma_size != crtc->gamma_size) { | |
3404 | ret = -EINVAL; | |
3405 | goto out; | |
3406 | } | |
3407 | ||
3408 | size = crtc_lut->gamma_size * (sizeof(uint16_t)); | |
3409 | r_base = crtc->gamma_store; | |
3410 | if (copy_from_user(r_base, (void __user *)(unsigned long)crtc_lut->red, size)) { | |
3411 | ret = -EFAULT; | |
3412 | goto out; | |
3413 | } | |
3414 | ||
3415 | g_base = r_base + size; | |
3416 | if (copy_from_user(g_base, (void __user *)(unsigned long)crtc_lut->green, size)) { | |
3417 | ret = -EFAULT; | |
3418 | goto out; | |
3419 | } | |
3420 | ||
3421 | b_base = g_base + size; | |
3422 | if (copy_from_user(b_base, (void __user *)(unsigned long)crtc_lut->blue, size)) { | |
3423 | ret = -EFAULT; | |
3424 | goto out; | |
3425 | } | |
3426 | ||
7203425a | 3427 | crtc->funcs->gamma_set(crtc, r_base, g_base, b_base, 0, crtc->gamma_size); |
f453ba04 DA |
3428 | |
3429 | out: | |
3430 | mutex_unlock(&dev->mode_config.mutex); | |
3431 | return ret; | |
3432 | ||
3433 | } | |
3434 | ||
3435 | int drm_mode_gamma_get_ioctl(struct drm_device *dev, | |
3436 | void *data, struct drm_file *file_priv) | |
3437 | { | |
3438 | struct drm_mode_crtc_lut *crtc_lut = data; | |
3439 | struct drm_mode_object *obj; | |
3440 | struct drm_crtc *crtc; | |
3441 | void *r_base, *g_base, *b_base; | |
3442 | int size; | |
3443 | int ret = 0; | |
3444 | ||
fb3b06c8 DA |
3445 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
3446 | return -EINVAL; | |
3447 | ||
f453ba04 DA |
3448 | mutex_lock(&dev->mode_config.mutex); |
3449 | obj = drm_mode_object_find(dev, crtc_lut->crtc_id, DRM_MODE_OBJECT_CRTC); | |
3450 | if (!obj) { | |
3451 | ret = -EINVAL; | |
3452 | goto out; | |
3453 | } | |
3454 | crtc = obj_to_crtc(obj); | |
3455 | ||
3456 | /* memcpy into gamma store */ | |
3457 | if (crtc_lut->gamma_size != crtc->gamma_size) { | |
3458 | ret = -EINVAL; | |
3459 | goto out; | |
3460 | } | |
3461 | ||
3462 | size = crtc_lut->gamma_size * (sizeof(uint16_t)); | |
3463 | r_base = crtc->gamma_store; | |
3464 | if (copy_to_user((void __user *)(unsigned long)crtc_lut->red, r_base, size)) { | |
3465 | ret = -EFAULT; | |
3466 | goto out; | |
3467 | } | |
3468 | ||
3469 | g_base = r_base + size; | |
3470 | if (copy_to_user((void __user *)(unsigned long)crtc_lut->green, g_base, size)) { | |
3471 | ret = -EFAULT; | |
3472 | goto out; | |
3473 | } | |
3474 | ||
3475 | b_base = g_base + size; | |
3476 | if (copy_to_user((void __user *)(unsigned long)crtc_lut->blue, b_base, size)) { | |
3477 | ret = -EFAULT; | |
3478 | goto out; | |
3479 | } | |
3480 | out: | |
3481 | mutex_unlock(&dev->mode_config.mutex); | |
3482 | return ret; | |
3483 | } | |
d91d8a3f KH |
3484 | |
3485 | int drm_mode_page_flip_ioctl(struct drm_device *dev, | |
3486 | void *data, struct drm_file *file_priv) | |
3487 | { | |
3488 | struct drm_mode_crtc_page_flip *page_flip = data; | |
3489 | struct drm_mode_object *obj; | |
3490 | struct drm_crtc *crtc; | |
3491 | struct drm_framebuffer *fb; | |
3492 | struct drm_pending_vblank_event *e = NULL; | |
3493 | unsigned long flags; | |
3494 | int ret = -EINVAL; | |
3495 | ||
3496 | if (page_flip->flags & ~DRM_MODE_PAGE_FLIP_FLAGS || | |
3497 | page_flip->reserved != 0) | |
3498 | return -EINVAL; | |
3499 | ||
3500 | mutex_lock(&dev->mode_config.mutex); | |
3501 | obj = drm_mode_object_find(dev, page_flip->crtc_id, DRM_MODE_OBJECT_CRTC); | |
3502 | if (!obj) | |
3503 | goto out; | |
3504 | crtc = obj_to_crtc(obj); | |
3505 | ||
90c1efdd CW |
3506 | if (crtc->fb == NULL) { |
3507 | /* The framebuffer is currently unbound, presumably | |
3508 | * due to a hotplug event, that userspace has not | |
3509 | * yet discovered. | |
3510 | */ | |
3511 | ret = -EBUSY; | |
3512 | goto out; | |
3513 | } | |
3514 | ||
d91d8a3f KH |
3515 | if (crtc->funcs->page_flip == NULL) |
3516 | goto out; | |
3517 | ||
3518 | obj = drm_mode_object_find(dev, page_flip->fb_id, DRM_MODE_OBJECT_FB); | |
3519 | if (!obj) | |
3520 | goto out; | |
3521 | fb = obj_to_fb(obj); | |
3522 | ||
5f61bb42 VS |
3523 | if (crtc->mode.hdisplay > fb->width || |
3524 | crtc->mode.vdisplay > fb->height || | |
3525 | crtc->x > fb->width - crtc->mode.hdisplay || | |
3526 | crtc->y > fb->height - crtc->mode.vdisplay) { | |
3527 | DRM_DEBUG_KMS("Invalid fb size %ux%u for CRTC viewport %ux%u+%d+%d.\n", | |
3528 | fb->width, fb->height, | |
3529 | crtc->mode.hdisplay, crtc->mode.vdisplay, | |
3530 | crtc->x, crtc->y); | |
3531 | ret = -ENOSPC; | |
3532 | goto out; | |
3533 | } | |
3534 | ||
d91d8a3f KH |
3535 | if (page_flip->flags & DRM_MODE_PAGE_FLIP_EVENT) { |
3536 | ret = -ENOMEM; | |
3537 | spin_lock_irqsave(&dev->event_lock, flags); | |
3538 | if (file_priv->event_space < sizeof e->event) { | |
3539 | spin_unlock_irqrestore(&dev->event_lock, flags); | |
3540 | goto out; | |
3541 | } | |
3542 | file_priv->event_space -= sizeof e->event; | |
3543 | spin_unlock_irqrestore(&dev->event_lock, flags); | |
3544 | ||
3545 | e = kzalloc(sizeof *e, GFP_KERNEL); | |
3546 | if (e == NULL) { | |
3547 | spin_lock_irqsave(&dev->event_lock, flags); | |
3548 | file_priv->event_space += sizeof e->event; | |
3549 | spin_unlock_irqrestore(&dev->event_lock, flags); | |
3550 | goto out; | |
3551 | } | |
3552 | ||
7bd4d7be | 3553 | e->event.base.type = DRM_EVENT_FLIP_COMPLETE; |
d91d8a3f KH |
3554 | e->event.base.length = sizeof e->event; |
3555 | e->event.user_data = page_flip->user_data; | |
3556 | e->base.event = &e->event.base; | |
3557 | e->base.file_priv = file_priv; | |
3558 | e->base.destroy = | |
3559 | (void (*) (struct drm_pending_event *)) kfree; | |
3560 | } | |
3561 | ||
3562 | ret = crtc->funcs->page_flip(crtc, fb, e); | |
3563 | if (ret) { | |
aef6a7ee JS |
3564 | if (page_flip->flags & DRM_MODE_PAGE_FLIP_EVENT) { |
3565 | spin_lock_irqsave(&dev->event_lock, flags); | |
3566 | file_priv->event_space += sizeof e->event; | |
3567 | spin_unlock_irqrestore(&dev->event_lock, flags); | |
3568 | kfree(e); | |
3569 | } | |
d91d8a3f KH |
3570 | } |
3571 | ||
3572 | out: | |
3573 | mutex_unlock(&dev->mode_config.mutex); | |
3574 | return ret; | |
3575 | } | |
eb033556 CW |
3576 | |
3577 | void drm_mode_config_reset(struct drm_device *dev) | |
3578 | { | |
3579 | struct drm_crtc *crtc; | |
3580 | struct drm_encoder *encoder; | |
3581 | struct drm_connector *connector; | |
3582 | ||
3583 | list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) | |
3584 | if (crtc->funcs->reset) | |
3585 | crtc->funcs->reset(crtc); | |
3586 | ||
3587 | list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) | |
3588 | if (encoder->funcs->reset) | |
3589 | encoder->funcs->reset(encoder); | |
3590 | ||
3591 | list_for_each_entry(connector, &dev->mode_config.connector_list, head) | |
3592 | if (connector->funcs->reset) | |
3593 | connector->funcs->reset(connector); | |
3594 | } | |
3595 | EXPORT_SYMBOL(drm_mode_config_reset); | |
ff72145b DA |
3596 | |
3597 | int drm_mode_create_dumb_ioctl(struct drm_device *dev, | |
3598 | void *data, struct drm_file *file_priv) | |
3599 | { | |
3600 | struct drm_mode_create_dumb *args = data; | |
3601 | ||
3602 | if (!dev->driver->dumb_create) | |
3603 | return -ENOSYS; | |
3604 | return dev->driver->dumb_create(file_priv, dev, args); | |
3605 | } | |
3606 | ||
3607 | int drm_mode_mmap_dumb_ioctl(struct drm_device *dev, | |
3608 | void *data, struct drm_file *file_priv) | |
3609 | { | |
3610 | struct drm_mode_map_dumb *args = data; | |
3611 | ||
3612 | /* call driver ioctl to get mmap offset */ | |
3613 | if (!dev->driver->dumb_map_offset) | |
3614 | return -ENOSYS; | |
3615 | ||
3616 | return dev->driver->dumb_map_offset(file_priv, dev, args->handle, &args->offset); | |
3617 | } | |
3618 | ||
3619 | int drm_mode_destroy_dumb_ioctl(struct drm_device *dev, | |
3620 | void *data, struct drm_file *file_priv) | |
3621 | { | |
3622 | struct drm_mode_destroy_dumb *args = data; | |
3623 | ||
3624 | if (!dev->driver->dumb_destroy) | |
3625 | return -ENOSYS; | |
3626 | ||
3627 | return dev->driver->dumb_destroy(file_priv, dev, args->handle); | |
3628 | } | |
248dbc23 DA |
3629 | |
3630 | /* | |
3631 | * Just need to support RGB formats here for compat with code that doesn't | |
3632 | * use pixel formats directly yet. | |
3633 | */ | |
3634 | void drm_fb_get_bpp_depth(uint32_t format, unsigned int *depth, | |
3635 | int *bpp) | |
3636 | { | |
3637 | switch (format) { | |
04b3924d VS |
3638 | case DRM_FORMAT_RGB332: |
3639 | case DRM_FORMAT_BGR233: | |
248dbc23 DA |
3640 | *depth = 8; |
3641 | *bpp = 8; | |
3642 | break; | |
04b3924d VS |
3643 | case DRM_FORMAT_XRGB1555: |
3644 | case DRM_FORMAT_XBGR1555: | |
3645 | case DRM_FORMAT_RGBX5551: | |
3646 | case DRM_FORMAT_BGRX5551: | |
3647 | case DRM_FORMAT_ARGB1555: | |
3648 | case DRM_FORMAT_ABGR1555: | |
3649 | case DRM_FORMAT_RGBA5551: | |
3650 | case DRM_FORMAT_BGRA5551: | |
248dbc23 DA |
3651 | *depth = 15; |
3652 | *bpp = 16; | |
3653 | break; | |
04b3924d VS |
3654 | case DRM_FORMAT_RGB565: |
3655 | case DRM_FORMAT_BGR565: | |
248dbc23 DA |
3656 | *depth = 16; |
3657 | *bpp = 16; | |
3658 | break; | |
04b3924d VS |
3659 | case DRM_FORMAT_RGB888: |
3660 | case DRM_FORMAT_BGR888: | |
3661 | *depth = 24; | |
3662 | *bpp = 24; | |
3663 | break; | |
3664 | case DRM_FORMAT_XRGB8888: | |
3665 | case DRM_FORMAT_XBGR8888: | |
3666 | case DRM_FORMAT_RGBX8888: | |
3667 | case DRM_FORMAT_BGRX8888: | |
248dbc23 DA |
3668 | *depth = 24; |
3669 | *bpp = 32; | |
3670 | break; | |
04b3924d VS |
3671 | case DRM_FORMAT_XRGB2101010: |
3672 | case DRM_FORMAT_XBGR2101010: | |
3673 | case DRM_FORMAT_RGBX1010102: | |
3674 | case DRM_FORMAT_BGRX1010102: | |
3675 | case DRM_FORMAT_ARGB2101010: | |
3676 | case DRM_FORMAT_ABGR2101010: | |
3677 | case DRM_FORMAT_RGBA1010102: | |
3678 | case DRM_FORMAT_BGRA1010102: | |
248dbc23 DA |
3679 | *depth = 30; |
3680 | *bpp = 32; | |
3681 | break; | |
04b3924d VS |
3682 | case DRM_FORMAT_ARGB8888: |
3683 | case DRM_FORMAT_ABGR8888: | |
3684 | case DRM_FORMAT_RGBA8888: | |
3685 | case DRM_FORMAT_BGRA8888: | |
248dbc23 DA |
3686 | *depth = 32; |
3687 | *bpp = 32; | |
3688 | break; | |
3689 | default: | |
3690 | DRM_DEBUG_KMS("unsupported pixel format\n"); | |
3691 | *depth = 0; | |
3692 | *bpp = 0; | |
3693 | break; | |
3694 | } | |
3695 | } | |
3696 | EXPORT_SYMBOL(drm_fb_get_bpp_depth); | |
141670e9 VS |
3697 | |
3698 | /** | |
3699 | * drm_format_num_planes - get the number of planes for format | |
3700 | * @format: pixel format (DRM_FORMAT_*) | |
3701 | * | |
3702 | * RETURNS: | |
3703 | * The number of planes used by the specified pixel format. | |
3704 | */ | |
3705 | int drm_format_num_planes(uint32_t format) | |
3706 | { | |
3707 | switch (format) { | |
3708 | case DRM_FORMAT_YUV410: | |
3709 | case DRM_FORMAT_YVU410: | |
3710 | case DRM_FORMAT_YUV411: | |
3711 | case DRM_FORMAT_YVU411: | |
3712 | case DRM_FORMAT_YUV420: | |
3713 | case DRM_FORMAT_YVU420: | |
3714 | case DRM_FORMAT_YUV422: | |
3715 | case DRM_FORMAT_YVU422: | |
3716 | case DRM_FORMAT_YUV444: | |
3717 | case DRM_FORMAT_YVU444: | |
3718 | return 3; | |
3719 | case DRM_FORMAT_NV12: | |
3720 | case DRM_FORMAT_NV21: | |
3721 | case DRM_FORMAT_NV16: | |
3722 | case DRM_FORMAT_NV61: | |
ba623f6a LP |
3723 | case DRM_FORMAT_NV24: |
3724 | case DRM_FORMAT_NV42: | |
141670e9 VS |
3725 | return 2; |
3726 | default: | |
3727 | return 1; | |
3728 | } | |
3729 | } | |
3730 | EXPORT_SYMBOL(drm_format_num_planes); | |
5a86bd55 VS |
3731 | |
3732 | /** | |
3733 | * drm_format_plane_cpp - determine the bytes per pixel value | |
3734 | * @format: pixel format (DRM_FORMAT_*) | |
3735 | * @plane: plane index | |
3736 | * | |
3737 | * RETURNS: | |
3738 | * The bytes per pixel value for the specified plane. | |
3739 | */ | |
3740 | int drm_format_plane_cpp(uint32_t format, int plane) | |
3741 | { | |
3742 | unsigned int depth; | |
3743 | int bpp; | |
3744 | ||
3745 | if (plane >= drm_format_num_planes(format)) | |
3746 | return 0; | |
3747 | ||
3748 | switch (format) { | |
3749 | case DRM_FORMAT_YUYV: | |
3750 | case DRM_FORMAT_YVYU: | |
3751 | case DRM_FORMAT_UYVY: | |
3752 | case DRM_FORMAT_VYUY: | |
3753 | return 2; | |
3754 | case DRM_FORMAT_NV12: | |
3755 | case DRM_FORMAT_NV21: | |
3756 | case DRM_FORMAT_NV16: | |
3757 | case DRM_FORMAT_NV61: | |
ba623f6a LP |
3758 | case DRM_FORMAT_NV24: |
3759 | case DRM_FORMAT_NV42: | |
5a86bd55 VS |
3760 | return plane ? 2 : 1; |
3761 | case DRM_FORMAT_YUV410: | |
3762 | case DRM_FORMAT_YVU410: | |
3763 | case DRM_FORMAT_YUV411: | |
3764 | case DRM_FORMAT_YVU411: | |
3765 | case DRM_FORMAT_YUV420: | |
3766 | case DRM_FORMAT_YVU420: | |
3767 | case DRM_FORMAT_YUV422: | |
3768 | case DRM_FORMAT_YVU422: | |
3769 | case DRM_FORMAT_YUV444: | |
3770 | case DRM_FORMAT_YVU444: | |
3771 | return 1; | |
3772 | default: | |
3773 | drm_fb_get_bpp_depth(format, &depth, &bpp); | |
3774 | return bpp >> 3; | |
3775 | } | |
3776 | } | |
3777 | EXPORT_SYMBOL(drm_format_plane_cpp); | |
01b68b04 VS |
3778 | |
3779 | /** | |
3780 | * drm_format_horz_chroma_subsampling - get the horizontal chroma subsampling factor | |
3781 | * @format: pixel format (DRM_FORMAT_*) | |
3782 | * | |
3783 | * RETURNS: | |
3784 | * The horizontal chroma subsampling factor for the | |
3785 | * specified pixel format. | |
3786 | */ | |
3787 | int drm_format_horz_chroma_subsampling(uint32_t format) | |
3788 | { | |
3789 | switch (format) { | |
3790 | case DRM_FORMAT_YUV411: | |
3791 | case DRM_FORMAT_YVU411: | |
3792 | case DRM_FORMAT_YUV410: | |
3793 | case DRM_FORMAT_YVU410: | |
3794 | return 4; | |
3795 | case DRM_FORMAT_YUYV: | |
3796 | case DRM_FORMAT_YVYU: | |
3797 | case DRM_FORMAT_UYVY: | |
3798 | case DRM_FORMAT_VYUY: | |
3799 | case DRM_FORMAT_NV12: | |
3800 | case DRM_FORMAT_NV21: | |
3801 | case DRM_FORMAT_NV16: | |
3802 | case DRM_FORMAT_NV61: | |
3803 | case DRM_FORMAT_YUV422: | |
3804 | case DRM_FORMAT_YVU422: | |
3805 | case DRM_FORMAT_YUV420: | |
3806 | case DRM_FORMAT_YVU420: | |
3807 | return 2; | |
3808 | default: | |
3809 | return 1; | |
3810 | } | |
3811 | } | |
3812 | EXPORT_SYMBOL(drm_format_horz_chroma_subsampling); | |
3813 | ||
3814 | /** | |
3815 | * drm_format_vert_chroma_subsampling - get the vertical chroma subsampling factor | |
3816 | * @format: pixel format (DRM_FORMAT_*) | |
3817 | * | |
3818 | * RETURNS: | |
3819 | * The vertical chroma subsampling factor for the | |
3820 | * specified pixel format. | |
3821 | */ | |
3822 | int drm_format_vert_chroma_subsampling(uint32_t format) | |
3823 | { | |
3824 | switch (format) { | |
3825 | case DRM_FORMAT_YUV410: | |
3826 | case DRM_FORMAT_YVU410: | |
3827 | return 4; | |
3828 | case DRM_FORMAT_YUV420: | |
3829 | case DRM_FORMAT_YVU420: | |
3830 | case DRM_FORMAT_NV12: | |
3831 | case DRM_FORMAT_NV21: | |
3832 | return 2; | |
3833 | default: | |
3834 | return 1; | |
3835 | } | |
3836 | } | |
3837 | EXPORT_SYMBOL(drm_format_vert_chroma_subsampling); |