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f453ba04 DA |
1 | /* |
2 | * Copyright © 2006 Keith Packard | |
3 | * Copyright © 2007-2008 Dave Airlie | |
4 | * Copyright © 2007-2008 Intel Corporation | |
5 | * Jesse Barnes <jesse.barnes@intel.com> | |
6 | * | |
7 | * Permission is hereby granted, free of charge, to any person obtaining a | |
8 | * copy of this software and associated documentation files (the "Software"), | |
9 | * to deal in the Software without restriction, including without limitation | |
10 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
11 | * and/or sell copies of the Software, and to permit persons to whom the | |
12 | * Software is furnished to do so, subject to the following conditions: | |
13 | * | |
14 | * The above copyright notice and this permission notice shall be included in | |
15 | * all copies or substantial portions of the Software. | |
16 | * | |
17 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
18 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
19 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
20 | * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR | |
21 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, | |
22 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR | |
23 | * OTHER DEALINGS IN THE SOFTWARE. | |
24 | */ | |
25 | #ifndef __DRM_CRTC_H__ | |
26 | #define __DRM_CRTC_H__ | |
27 | ||
28 | #include <linux/i2c.h> | |
29 | #include <linux/spinlock.h> | |
30 | #include <linux/types.h> | |
31 | #include <linux/idr.h> | |
f453ba04 | 32 | #include <linux/fb.h> |
985e5dc2 | 33 | #include <linux/hdmi.h> |
b5571e9d | 34 | #include <linux/media-bus-format.h> |
d7d2c48e DH |
35 | #include <uapi/drm/drm_mode.h> |
36 | #include <uapi/drm/drm_fourcc.h> | |
51fd371b | 37 | #include <drm/drm_modeset_lock.h> |
308e5bcb | 38 | |
f453ba04 DA |
39 | struct drm_device; |
40 | struct drm_mode_set; | |
41 | struct drm_framebuffer; | |
7e3bdf4a | 42 | struct drm_object_properties; |
595887eb TR |
43 | struct drm_file; |
44 | struct drm_clip_rect; | |
7e435aad | 45 | struct device_node; |
e2330f07 | 46 | struct fence; |
f453ba04 DA |
47 | |
48 | #define DRM_MODE_OBJECT_CRTC 0xcccccccc | |
49 | #define DRM_MODE_OBJECT_CONNECTOR 0xc0c0c0c0 | |
50 | #define DRM_MODE_OBJECT_ENCODER 0xe0e0e0e0 | |
51 | #define DRM_MODE_OBJECT_MODE 0xdededede | |
52 | #define DRM_MODE_OBJECT_PROPERTY 0xb0b0b0b0 | |
53 | #define DRM_MODE_OBJECT_FB 0xfbfbfbfb | |
54 | #define DRM_MODE_OBJECT_BLOB 0xbbbbbbbb | |
8cf5c917 | 55 | #define DRM_MODE_OBJECT_PLANE 0xeeeeeeee |
98f75de4 | 56 | #define DRM_MODE_OBJECT_ANY 0 |
f453ba04 DA |
57 | |
58 | struct drm_mode_object { | |
59 | uint32_t id; | |
60 | uint32_t type; | |
7e3bdf4a PZ |
61 | struct drm_object_properties *properties; |
62 | }; | |
63 | ||
fe456168 | 64 | #define DRM_OBJECT_MAX_PROPERTY 24 |
7e3bdf4a | 65 | struct drm_object_properties { |
88a48e29 | 66 | int count, atomic_count; |
b17cd757 RC |
67 | /* NOTE: if we ever start dynamically destroying properties (ie. |
68 | * not at drm_mode_config_cleanup() time), then we'd have to do | |
69 | * a better job of detaching property from mode objects to avoid | |
70 | * dangling property pointers: | |
71 | */ | |
72 | struct drm_property *properties[DRM_OBJECT_MAX_PROPERTY]; | |
22b8b13b RC |
73 | /* do not read/write values directly, but use drm_object_property_get_value() |
74 | * and drm_object_property_set_value(): | |
75 | */ | |
7e3bdf4a | 76 | uint64_t values[DRM_OBJECT_MAX_PROPERTY]; |
f453ba04 DA |
77 | }; |
78 | ||
ebc44cf3 RC |
79 | static inline int64_t U642I64(uint64_t val) |
80 | { | |
81 | return (int64_t)*((int64_t *)&val); | |
82 | } | |
83 | static inline uint64_t I642U64(int64_t val) | |
84 | { | |
85 | return (uint64_t)*((uint64_t *)&val); | |
86 | } | |
87 | ||
d9c38242 RF |
88 | /* |
89 | * Rotation property bits. DRM_ROTATE_<degrees> rotates the image by the | |
90 | * specified amount in degrees in counter clockwise direction. DRM_REFLECT_X and | |
91 | * DRM_REFLECT_Y reflects the image along the specified axis prior to rotation | |
92 | */ | |
62209070 | 93 | #define DRM_ROTATE_MASK 0x0f |
06596961 VS |
94 | #define DRM_ROTATE_0 0 |
95 | #define DRM_ROTATE_90 1 | |
96 | #define DRM_ROTATE_180 2 | |
97 | #define DRM_ROTATE_270 3 | |
62209070 | 98 | #define DRM_REFLECT_MASK (~DRM_ROTATE_MASK) |
06596961 VS |
99 | #define DRM_REFLECT_X 4 |
100 | #define DRM_REFLECT_Y 5 | |
101 | ||
55310008 DV |
102 | enum drm_connector_force { |
103 | DRM_FORCE_UNSPECIFIED, | |
104 | DRM_FORCE_OFF, | |
105 | DRM_FORCE_ON, /* force on analog part normally */ | |
106 | DRM_FORCE_ON_DIGITAL, /* for DVI-I use digital connector */ | |
f453ba04 DA |
107 | }; |
108 | ||
55310008 | 109 | #include <drm/drm_modes.h> |
4aa17cf0 | 110 | |
f453ba04 DA |
111 | enum drm_connector_status { |
112 | connector_status_connected = 1, | |
113 | connector_status_disconnected = 2, | |
114 | connector_status_unknown = 3, | |
115 | }; | |
116 | ||
117 | enum subpixel_order { | |
118 | SubPixelUnknown = 0, | |
119 | SubPixelHorizontalRGB, | |
120 | SubPixelHorizontalBGR, | |
121 | SubPixelVerticalRGB, | |
122 | SubPixelVerticalBGR, | |
123 | SubPixelNone, | |
124 | }; | |
125 | ||
da05a5a7 JB |
126 | #define DRM_COLOR_FORMAT_RGB444 (1<<0) |
127 | #define DRM_COLOR_FORMAT_YCRCB444 (1<<1) | |
128 | #define DRM_COLOR_FORMAT_YCRCB422 (1<<2) | |
f453ba04 DA |
129 | /* |
130 | * Describes a given display (e.g. CRT or flat panel) and its limitations. | |
131 | */ | |
132 | struct drm_display_info { | |
133 | char name[DRM_DISPLAY_INFO_LEN]; | |
fb439640 | 134 | |
f453ba04 DA |
135 | /* Physical size */ |
136 | unsigned int width_mm; | |
137 | unsigned int height_mm; | |
138 | ||
f453ba04 DA |
139 | /* Clock limits FIXME: storage format */ |
140 | unsigned int min_vfreq, max_vfreq; | |
141 | unsigned int min_hfreq, max_hfreq; | |
142 | unsigned int pixel_clock; | |
3b11228b | 143 | unsigned int bpc; |
f453ba04 | 144 | |
f453ba04 | 145 | enum subpixel_order subpixel_order; |
da05a5a7 | 146 | u32 color_formats; |
f453ba04 | 147 | |
b5571e9d BB |
148 | const u32 *bus_formats; |
149 | unsigned int num_bus_formats; | |
150 | ||
5d02626d MK |
151 | /* Mask of supported hdmi deep color modes */ |
152 | u8 edid_hdmi_dc_modes; | |
153 | ||
ebec9a7b | 154 | u8 cea_rev; |
f453ba04 DA |
155 | }; |
156 | ||
138f9ebb DA |
157 | /* data corresponds to displayid vend/prod/serial */ |
158 | struct drm_tile_group { | |
159 | struct kref refcount; | |
160 | struct drm_device *dev; | |
161 | int id; | |
162 | u8 group_data[8]; | |
163 | }; | |
164 | ||
f453ba04 | 165 | struct drm_framebuffer_funcs { |
f7eff60e | 166 | /* note: use drm_framebuffer_remove() */ |
f453ba04 DA |
167 | void (*destroy)(struct drm_framebuffer *framebuffer); |
168 | int (*create_handle)(struct drm_framebuffer *fb, | |
169 | struct drm_file *file_priv, | |
170 | unsigned int *handle); | |
3bf0401c DV |
171 | /* |
172 | * Optional callback for the dirty fb ioctl. | |
884840aa JB |
173 | * |
174 | * Userspace can notify the driver via this callback | |
175 | * that a area of the framebuffer has changed and should | |
176 | * be flushed to the display hardware. | |
177 | * | |
178 | * See documentation in drm_mode.h for the struct | |
179 | * drm_mode_fb_dirty_cmd for more information as all | |
180 | * the semantics and arguments have a one to one mapping | |
181 | * on this function. | |
182 | */ | |
02b00162 TH |
183 | int (*dirty)(struct drm_framebuffer *framebuffer, |
184 | struct drm_file *file_priv, unsigned flags, | |
884840aa JB |
185 | unsigned color, struct drm_clip_rect *clips, |
186 | unsigned num_clips); | |
f453ba04 DA |
187 | }; |
188 | ||
189 | struct drm_framebuffer { | |
190 | struct drm_device *dev; | |
f7eff60e RC |
191 | /* |
192 | * Note that the fb is refcounted for the benefit of driver internals, | |
193 | * for example some hw, disabling a CRTC/plane is asynchronous, and | |
194 | * scanout does not actually complete until the next vblank. So some | |
195 | * cleanup (like releasing the reference(s) on the backing GEM bo(s)) | |
196 | * should be deferred. In cases like this, the driver would like to | |
197 | * hold a ref to the fb even though it has already been removed from | |
198 | * userspace perspective. | |
199 | */ | |
200 | struct kref refcount; | |
4b096ac1 DV |
201 | /* |
202 | * Place on the dev->mode_config.fb_list, access protected by | |
203 | * dev->mode_config.fb_lock. | |
204 | */ | |
f453ba04 DA |
205 | struct list_head head; |
206 | struct drm_mode_object base; | |
207 | const struct drm_framebuffer_funcs *funcs; | |
01f2c773 VS |
208 | unsigned int pitches[4]; |
209 | unsigned int offsets[4]; | |
e3eb3250 | 210 | uint64_t modifier[4]; |
f453ba04 DA |
211 | unsigned int width; |
212 | unsigned int height; | |
213 | /* depth can be 15 or 16 */ | |
214 | unsigned int depth; | |
215 | int bits_per_pixel; | |
216 | int flags; | |
308e5bcb | 217 | uint32_t pixel_format; /* fourcc format */ |
f453ba04 DA |
218 | struct list_head filp_head; |
219 | }; | |
220 | ||
221 | struct drm_property_blob { | |
222 | struct drm_mode_object base; | |
6bcacf51 DS |
223 | struct drm_device *dev; |
224 | struct kref refcount; | |
e2f5d2ea DS |
225 | struct list_head head_global; |
226 | struct list_head head_file; | |
ecbbe59b | 227 | size_t length; |
d63f5e6b | 228 | unsigned char data[]; |
f453ba04 DA |
229 | }; |
230 | ||
231 | struct drm_property_enum { | |
232 | uint64_t value; | |
233 | struct list_head head; | |
234 | char name[DRM_PROP_NAME_LEN]; | |
235 | }; | |
236 | ||
237 | struct drm_property { | |
238 | struct list_head head; | |
239 | struct drm_mode_object base; | |
240 | uint32_t flags; | |
241 | char name[DRM_PROP_NAME_LEN]; | |
242 | uint32_t num_values; | |
243 | uint64_t *values; | |
98f75de4 | 244 | struct drm_device *dev; |
f453ba04 | 245 | |
3758b341 | 246 | struct list_head enum_list; |
f453ba04 DA |
247 | }; |
248 | ||
249 | struct drm_crtc; | |
250 | struct drm_connector; | |
251 | struct drm_encoder; | |
d91d8a3f | 252 | struct drm_pending_vblank_event; |
8cf5c917 | 253 | struct drm_plane; |
3b336ec4 | 254 | struct drm_bridge; |
144ecb97 DV |
255 | struct drm_atomic_state; |
256 | ||
4490d4c7 DV |
257 | struct drm_crtc_helper_funcs; |
258 | struct drm_encoder_helper_funcs; | |
259 | struct drm_connector_helper_funcs; | |
260 | struct drm_plane_helper_funcs; | |
261 | ||
144ecb97 | 262 | /** |
cc4ceb48 | 263 | * struct drm_crtc_state - mutable CRTC state |
07cc0ef6 | 264 | * @crtc: backpointer to the CRTC |
144ecb97 | 265 | * @enable: whether the CRTC should be enabled, gates all other state |
d9b13620 | 266 | * @active: whether the CRTC is actively displaying (used for DPMS) |
fc596660 ML |
267 | * @planes_changed: planes on this crtc are updated |
268 | * @mode_changed: crtc_state->mode or crtc_state->enable has been changed | |
269 | * @active_changed: crtc_state->active has been toggled. | |
270 | * @connectors_changed: connectors to this crtc have been updated | |
6ddd388a | 271 | * @plane_mask: bitmask of (1 << drm_plane_index(plane)) of attached planes |
623369e5 DV |
272 | * @last_vblank_count: for helpers and drivers to capture the vblank of the |
273 | * update to ensure framebuffer cleanup isn't done too early | |
2f324b42 | 274 | * @adjusted_mode: for use by helpers and drivers to compute adjusted mode timings |
144ecb97 DV |
275 | * @mode: current mode timings |
276 | * @event: optional pointer to a DRM event to signal upon completion of the | |
277 | * state update | |
278 | * @state: backpointer to global drm_atomic_state | |
d9b13620 DV |
279 | * |
280 | * Note that the distinction between @enable and @active is rather subtile: | |
281 | * Flipping @active while @enable is set without changing anything else may | |
282 | * never return in a failure from the ->atomic_check callback. Userspace assumes | |
283 | * that a DPMS On will always succeed. In other words: @enable controls resource | |
284 | * assignment, @active controls the actual hardware state. | |
144ecb97 DV |
285 | */ |
286 | struct drm_crtc_state { | |
07cc0ef6 DV |
287 | struct drm_crtc *crtc; |
288 | ||
cc4ceb48 | 289 | bool enable; |
d9b13620 | 290 | bool active; |
144ecb97 | 291 | |
c2fcd274 DV |
292 | /* computed state bits used by helpers and drivers */ |
293 | bool planes_changed : 1; | |
623369e5 | 294 | bool mode_changed : 1; |
eab3bbef | 295 | bool active_changed : 1; |
fc596660 | 296 | bool connectors_changed : 1; |
623369e5 | 297 | |
6ddd388a RC |
298 | /* attached planes bitmask: |
299 | * WARNING: transitional helpers do not maintain plane_mask so | |
300 | * drivers not converted over to atomic helpers should not rely | |
301 | * on plane_mask being accurate! | |
302 | */ | |
303 | u32 plane_mask; | |
304 | ||
623369e5 DV |
305 | /* last_vblank_count: for vblank waits before cleanup */ |
306 | u32 last_vblank_count; | |
c2fcd274 | 307 | |
2f324b42 DV |
308 | /* adjusted_mode: for use by helpers and drivers */ |
309 | struct drm_display_mode adjusted_mode; | |
310 | ||
144ecb97 DV |
311 | struct drm_display_mode mode; |
312 | ||
99cf4a29 DS |
313 | /* blob property to expose current mode to atomic userspace */ |
314 | struct drm_property_blob *mode_blob; | |
315 | ||
144ecb97 DV |
316 | struct drm_pending_vblank_event *event; |
317 | ||
318 | struct drm_atomic_state *state; | |
319 | }; | |
f453ba04 DA |
320 | |
321 | /** | |
3bf0401c | 322 | * struct drm_crtc_funcs - control CRTCs for a given device |
3b02ab88 | 323 | * @cursor_set: setup the cursor |
2c0c33d4 | 324 | * @cursor_set2: setup the cursor with hotspot, superseeds @cursor_set if set |
3b02ab88 | 325 | * @cursor_move: move the cursor |
f453ba04 | 326 | * @gamma_set: specify color ramp for CRTC |
3b02ab88 LP |
327 | * @set_config: apply a new CRTC configuration |
328 | * @page_flip: initiate a page flip | |
f453ba04 DA |
329 | * |
330 | * The drm_crtc_funcs structure is the central CRTC management structure | |
331 | * in the DRM. Each CRTC controls one or more connectors (note that the name | |
332 | * CRTC is simply historical, a CRTC may control LVDS, VGA, DVI, TV out, etc. | |
333 | * connectors, not just CRTs). | |
334 | * | |
335 | * Each driver is responsible for filling out this structure at startup time, | |
336 | * in addition to providing other modesetting features, like i2c and DDC | |
337 | * bus accessors. | |
338 | */ | |
339 | struct drm_crtc_funcs { | |
88548636 DV |
340 | /** |
341 | * @reset: | |
342 | * | |
343 | * Reset CRTC hardware and software state to off. This function isn't | |
344 | * called by the core directly, only through drm_mode_config_reset(). | |
345 | * It's not a helper hook only for historical reasons. | |
346 | * | |
347 | * Atomic drivers can use drm_atomic_helper_crtc_reset() to reset | |
348 | * atomic state using this hook. | |
349 | */ | |
eb033556 | 350 | void (*reset)(struct drm_crtc *crtc); |
f453ba04 DA |
351 | |
352 | /* cursor controls */ | |
353 | int (*cursor_set)(struct drm_crtc *crtc, struct drm_file *file_priv, | |
354 | uint32_t handle, uint32_t width, uint32_t height); | |
4c813d4d DA |
355 | int (*cursor_set2)(struct drm_crtc *crtc, struct drm_file *file_priv, |
356 | uint32_t handle, uint32_t width, uint32_t height, | |
357 | int32_t hot_x, int32_t hot_y); | |
f453ba04 DA |
358 | int (*cursor_move)(struct drm_crtc *crtc, int x, int y); |
359 | ||
360 | /* Set gamma on the CRTC */ | |
361 | void (*gamma_set)(struct drm_crtc *crtc, u16 *r, u16 *g, u16 *b, | |
7203425a | 362 | uint32_t start, uint32_t size); |
88548636 DV |
363 | |
364 | /** | |
365 | * @destroy: | |
366 | * | |
367 | * Clean up plane resources. This is only called at driver unload time | |
368 | * through drm_mode_config_cleanup() since a CRTC cannot be hotplugged | |
369 | * in DRM. | |
370 | */ | |
f453ba04 DA |
371 | void (*destroy)(struct drm_crtc *crtc); |
372 | ||
373 | int (*set_config)(struct drm_mode_set *set); | |
d91d8a3f KH |
374 | |
375 | /* | |
376 | * Flip to the given framebuffer. This implements the page | |
25985edc | 377 | * flip ioctl described in drm_mode.h, specifically, the |
d91d8a3f KH |
378 | * implementation must return immediately and block all |
379 | * rendering to the current fb until the flip has completed. | |
380 | * If userspace set the event flag in the ioctl, the event | |
381 | * argument will point to an event to send back when the flip | |
382 | * completes, otherwise it will be NULL. | |
383 | */ | |
384 | int (*page_flip)(struct drm_crtc *crtc, | |
385 | struct drm_framebuffer *fb, | |
ed8d1975 KP |
386 | struct drm_pending_vblank_event *event, |
387 | uint32_t flags); | |
bffd9de0 | 388 | |
88548636 DV |
389 | /** |
390 | * @set_property: | |
391 | * | |
392 | * This is the legacy entry point to update a property attached to the | |
393 | * CRTC. | |
394 | * | |
395 | * Drivers implementing atomic modeset should use | |
396 | * drm_atomic_helper_crtc_set_property() to implement this hook. | |
397 | * | |
398 | * This callback is optional if the driver does not support any legacy | |
399 | * driver-private properties. | |
400 | * | |
401 | * RETURNS: | |
402 | * | |
403 | * 0 on success or a negative error code on failure. | |
404 | */ | |
bffd9de0 PZ |
405 | int (*set_property)(struct drm_crtc *crtc, |
406 | struct drm_property *property, uint64_t val); | |
144ecb97 | 407 | |
88548636 DV |
408 | /** |
409 | * @atomic_duplicate_state: | |
410 | * | |
411 | * Duplicate the current atomic state for this CRTC and return it. | |
412 | * The core and helpers gurantee that any atomic state duplicated with | |
413 | * this hook and still owned by the caller (i.e. not transferred to the | |
414 | * driver by calling ->atomic_commit() from struct | |
415 | * &drm_mode_config_funcs) will be cleaned up by calling the | |
416 | * @atomic_destroy_state hook in this structure. | |
417 | * | |
418 | * Atomic drivers which don't subclass struct &drm_crtc should use | |
419 | * drm_atomic_helper_crtc_duplicate_state(). Drivers that subclass the | |
420 | * state structure to extend it with driver-private state should use | |
421 | * __drm_atomic_helper_crtc_duplicate_state() to make sure shared state is | |
422 | * duplicated in a consistent fashion across drivers. | |
423 | * | |
424 | * It is an error to call this hook before crtc->state has been | |
425 | * initialized correctly. | |
426 | * | |
427 | * NOTE: | |
428 | * | |
429 | * If the duplicate state references refcounted resources this hook must | |
430 | * acquire a reference for each of them. The driver must release these | |
431 | * references again in @atomic_destroy_state. | |
432 | * | |
433 | * RETURNS: | |
434 | * | |
435 | * Duplicated atomic state or NULL when the allocation failed. | |
436 | */ | |
144ecb97 | 437 | struct drm_crtc_state *(*atomic_duplicate_state)(struct drm_crtc *crtc); |
88548636 DV |
438 | |
439 | /** | |
440 | * @atomic_destroy_state: | |
441 | * | |
442 | * Destroy a state duplicated with @atomic_duplicate_state and release | |
443 | * or unreference all resources it references | |
444 | */ | |
144ecb97 | 445 | void (*atomic_destroy_state)(struct drm_crtc *crtc, |
cc4ceb48 | 446 | struct drm_crtc_state *state); |
88548636 DV |
447 | |
448 | /** | |
449 | * @atomic_set_property: | |
450 | * | |
451 | * Decode a driver-private property value and store the decoded value | |
452 | * into the passed-in state structure. Since the atomic core decodes all | |
453 | * standardized properties (even for extensions beyond the core set of | |
454 | * properties which might not be implemented by all drivers) this | |
455 | * requires drivers to subclass the state structure. | |
456 | * | |
457 | * Such driver-private properties should really only be implemented for | |
458 | * truly hardware/vendor specific state. Instead it is preferred to | |
459 | * standardize atomic extension and decode the properties used to expose | |
460 | * such an extension in the core. | |
461 | * | |
462 | * Do not call this function directly, use | |
463 | * drm_atomic_crtc_set_property() instead. | |
464 | * | |
465 | * This callback is optional if the driver does not support any | |
466 | * driver-private atomic properties. | |
467 | * | |
468 | * NOTE: | |
469 | * | |
470 | * This function is called in the state assembly phase of atomic | |
471 | * modesets, which can be aborted for any reason (including on | |
472 | * userspace's request to just check whether a configuration would be | |
473 | * possible). Drivers MUST NOT touch any persistent state (hardware or | |
474 | * software) or data structures except the passed in @state parameter. | |
475 | * | |
476 | * Also since userspace controls in which order properties are set this | |
477 | * function must not do any input validation (since the state update is | |
478 | * incomplete and hence likely inconsistent). Instead any such input | |
479 | * validation must be done in the various atomic_check callbacks. | |
480 | * | |
481 | * RETURNS: | |
482 | * | |
483 | * 0 if the property has been found, -EINVAL if the property isn't | |
484 | * implemented by the driver (which should never happen, the core only | |
485 | * asks for properties attached to this CRTC). No other validation is | |
486 | * allowed by the driver. The core already checks that the property | |
487 | * value is within the range (integer, valid enum value, ...) the driver | |
488 | * set when registering the property. | |
489 | */ | |
144ecb97 DV |
490 | int (*atomic_set_property)(struct drm_crtc *crtc, |
491 | struct drm_crtc_state *state, | |
492 | struct drm_property *property, | |
493 | uint64_t val); | |
88548636 DV |
494 | /** |
495 | * @atomic_get_property: | |
496 | * | |
497 | * Reads out the decoded driver-private property. This is used to | |
498 | * implement the GETCRTC ioctl. | |
499 | * | |
500 | * Do not call this function directly, use | |
501 | * drm_atomic_crtc_get_property() instead. | |
502 | * | |
503 | * This callback is optional if the driver does not support any | |
504 | * driver-private atomic properties. | |
505 | * | |
506 | * RETURNS: | |
507 | * | |
508 | * 0 on success, -EINVAL if the property isn't implemented by the | |
509 | * driver (which should never happen, the core only asks for | |
510 | * properties attached to this CRTC). | |
511 | */ | |
ac9c9256 RC |
512 | int (*atomic_get_property)(struct drm_crtc *crtc, |
513 | const struct drm_crtc_state *state, | |
514 | struct drm_property *property, | |
515 | uint64_t *val); | |
f453ba04 DA |
516 | }; |
517 | ||
518 | /** | |
3bf0401c | 519 | * struct drm_crtc - central CRTC control structure |
7749163e | 520 | * @dev: parent DRM device |
2c0c33d4 | 521 | * @port: OF node used by drm_of_find_possible_crtcs() |
7749163e | 522 | * @head: list management |
51fd371b | 523 | * @mutex: per-CRTC locking |
7749163e | 524 | * @base: base KMS object for ID tracking etc. |
e13161af MR |
525 | * @primary: primary plane for this CRTC |
526 | * @cursor: cursor plane for this CRTC | |
2c0c33d4 DV |
527 | * @cursor_x: current x position of the cursor, used for universal cursor planes |
528 | * @cursor_y: current y position of the cursor, used for universal cursor planes | |
f453ba04 | 529 | * @enabled: is this CRTC enabled? |
7749163e JB |
530 | * @mode: current mode timings |
531 | * @hwmode: mode timings as programmed to hw regs | |
f453ba04 DA |
532 | * @x: x position on screen |
533 | * @y: y position on screen | |
f453ba04 | 534 | * @funcs: CRTC control functions |
7749163e JB |
535 | * @gamma_size: size of gamma ramp |
536 | * @gamma_store: gamma ramp values | |
7749163e | 537 | * @helper_private: mid-layer private data |
bffd9de0 | 538 | * @properties: property tracking for this CRTC |
144ecb97 | 539 | * @state: current atomic state for this CRTC |
2c0c33d4 DV |
540 | * @acquire_ctx: per-CRTC implicit acquire context used by atomic drivers for |
541 | * legacy ioctls | |
f453ba04 DA |
542 | * |
543 | * Each CRTC may have one or more connectors associated with it. This structure | |
544 | * allows the CRTC to be controlled. | |
545 | */ | |
546 | struct drm_crtc { | |
547 | struct drm_device *dev; | |
7e435aad | 548 | struct device_node *port; |
f453ba04 DA |
549 | struct list_head head; |
550 | ||
3bf0401c | 551 | /* |
29494c17 DV |
552 | * crtc mutex |
553 | * | |
554 | * This provides a read lock for the overall crtc state (mode, dpms | |
555 | * state, ...) and a write lock for everything which can be update | |
556 | * without a full modeset (fb, cursor data, ...) | |
557 | */ | |
51fd371b | 558 | struct drm_modeset_lock mutex; |
29494c17 | 559 | |
f453ba04 DA |
560 | struct drm_mode_object base; |
561 | ||
e13161af MR |
562 | /* primary and cursor planes for CRTC */ |
563 | struct drm_plane *primary; | |
564 | struct drm_plane *cursor; | |
565 | ||
161d0dc1 MR |
566 | /* position of cursor plane on crtc */ |
567 | int cursor_x; | |
568 | int cursor_y; | |
569 | ||
f453ba04 DA |
570 | bool enabled; |
571 | ||
27641c3f | 572 | /* Requested mode from modesetting. */ |
f453ba04 DA |
573 | struct drm_display_mode mode; |
574 | ||
27641c3f MK |
575 | /* Programmed mode in hw, after adjustments for encoders, |
576 | * crtc, panel scaling etc. Needed for timestamping etc. | |
577 | */ | |
578 | struct drm_display_mode hwmode; | |
579 | ||
f453ba04 | 580 | int x, y; |
f453ba04 DA |
581 | const struct drm_crtc_funcs *funcs; |
582 | ||
583 | /* CRTC gamma size for reporting to userspace */ | |
584 | uint32_t gamma_size; | |
585 | uint16_t *gamma_store; | |
586 | ||
587 | /* if you are using the helper */ | |
4490d4c7 | 588 | const struct drm_crtc_helper_funcs *helper_private; |
bffd9de0 PZ |
589 | |
590 | struct drm_object_properties properties; | |
d059f652 | 591 | |
144ecb97 DV |
592 | struct drm_crtc_state *state; |
593 | ||
d059f652 DV |
594 | /* |
595 | * For legacy crtc ioctls so that atomic drivers can get at the locking | |
596 | * acquire context. | |
597 | */ | |
598 | struct drm_modeset_acquire_ctx *acquire_ctx; | |
f453ba04 DA |
599 | }; |
600 | ||
144ecb97 DV |
601 | /** |
602 | * struct drm_connector_state - mutable connector state | |
07cc0ef6 | 603 | * @connector: backpointer to the connector |
cc4ceb48 | 604 | * @crtc: CRTC to connect connector to, NULL if disabled |
623369e5 | 605 | * @best_encoder: can be used by helpers and drivers to select the encoder |
144ecb97 DV |
606 | * @state: backpointer to global drm_atomic_state |
607 | */ | |
608 | struct drm_connector_state { | |
07cc0ef6 DV |
609 | struct drm_connector *connector; |
610 | ||
6ddd388a | 611 | struct drm_crtc *crtc; /* do not write directly, use drm_atomic_set_crtc_for_connector() */ |
144ecb97 | 612 | |
623369e5 DV |
613 | struct drm_encoder *best_encoder; |
614 | ||
144ecb97 DV |
615 | struct drm_atomic_state *state; |
616 | }; | |
f453ba04 DA |
617 | |
618 | /** | |
3bf0401c | 619 | * struct drm_connector_funcs - control connectors on a given device |
261ea74f | 620 | * @dpms: set power state |
f453ba04 | 621 | * @detect: is this connector active? |
3b02ab88 | 622 | * @fill_modes: fill mode list for this connector |
13bcf01b | 623 | * @force: notify the driver that the connector is forced on |
144ecb97 | 624 | * |
f453ba04 DA |
625 | * Each CRTC may have one or more connectors attached to it. The functions |
626 | * below allow the core DRM code to control connectors, enumerate available modes, | |
627 | * etc. | |
628 | */ | |
629 | struct drm_connector_funcs { | |
9a69a9ac | 630 | int (*dpms)(struct drm_connector *connector, int mode); |
88548636 DV |
631 | |
632 | /** | |
633 | * @reset: | |
634 | * | |
635 | * Reset connector hardware and software state to off. This function isn't | |
636 | * called by the core directly, only through drm_mode_config_reset(). | |
637 | * It's not a helper hook only for historical reasons. | |
638 | * | |
639 | * Atomic drivers can use drm_atomic_helper_connector_reset() to reset | |
640 | * atomic state using this hook. | |
641 | */ | |
eb033556 | 642 | void (*reset)(struct drm_connector *connector); |
930a9e28 CW |
643 | |
644 | /* Check to see if anything is attached to the connector. | |
645 | * @force is set to false whilst polling, true when checking the | |
646 | * connector due to user request. @force can be used by the driver | |
647 | * to avoid expensive, destructive operations during automated | |
648 | * probing. | |
649 | */ | |
7b334fcb | 650 | enum drm_connector_status (*detect)(struct drm_connector *connector, |
930a9e28 | 651 | bool force); |
40a518d9 | 652 | int (*fill_modes)(struct drm_connector *connector, uint32_t max_width, uint32_t max_height); |
88548636 DV |
653 | |
654 | /** | |
655 | * @set_property: | |
656 | * | |
657 | * This is the legacy entry point to update a property attached to the | |
658 | * connector. | |
659 | * | |
660 | * Drivers implementing atomic modeset should use | |
661 | * drm_atomic_helper_connector_set_property() to implement this hook. | |
662 | * | |
663 | * This callback is optional if the driver does not support any legacy | |
664 | * driver-private properties. | |
665 | * | |
666 | * RETURNS: | |
667 | * | |
668 | * 0 on success or a negative error code on failure. | |
669 | */ | |
f453ba04 DA |
670 | int (*set_property)(struct drm_connector *connector, struct drm_property *property, |
671 | uint64_t val); | |
88548636 DV |
672 | |
673 | /** | |
674 | * @destroy: | |
675 | * | |
676 | * Clean up connector resources. This is called at driver unload time | |
677 | * through drm_mode_config_cleanup(). It can also be called at runtime | |
678 | * when a connector is being hot-unplugged for drivers that support | |
679 | * connector hotplugging (e.g. DisplayPort MST). | |
680 | */ | |
f453ba04 | 681 | void (*destroy)(struct drm_connector *connector); |
d50ba256 | 682 | void (*force)(struct drm_connector *connector); |
144ecb97 | 683 | |
88548636 DV |
684 | /** |
685 | * @atomic_duplicate_state: | |
686 | * | |
687 | * Duplicate the current atomic state for this connector and return it. | |
688 | * The core and helpers gurantee that any atomic state duplicated with | |
689 | * this hook and still owned by the caller (i.e. not transferred to the | |
690 | * driver by calling ->atomic_commit() from struct | |
691 | * &drm_mode_config_funcs) will be cleaned up by calling the | |
692 | * @atomic_destroy_state hook in this structure. | |
693 | * | |
694 | * Atomic drivers which don't subclass struct &drm_connector_state should use | |
695 | * drm_atomic_helper_connector_duplicate_state(). Drivers that subclass the | |
696 | * state structure to extend it with driver-private state should use | |
697 | * __drm_atomic_helper_connector_duplicate_state() to make sure shared state is | |
698 | * duplicated in a consistent fashion across drivers. | |
699 | * | |
700 | * It is an error to call this hook before connector->state has been | |
701 | * initialized correctly. | |
702 | * | |
703 | * NOTE: | |
704 | * | |
705 | * If the duplicate state references refcounted resources this hook must | |
706 | * acquire a reference for each of them. The driver must release these | |
707 | * references again in @atomic_destroy_state. | |
708 | * | |
709 | * RETURNS: | |
710 | * | |
711 | * Duplicated atomic state or NULL when the allocation failed. | |
712 | */ | |
144ecb97 | 713 | struct drm_connector_state *(*atomic_duplicate_state)(struct drm_connector *connector); |
88548636 DV |
714 | |
715 | /** | |
716 | * @atomic_destroy_state: | |
717 | * | |
718 | * Destroy a state duplicated with @atomic_duplicate_state and release | |
719 | * or unreference all resources it references | |
720 | */ | |
144ecb97 | 721 | void (*atomic_destroy_state)(struct drm_connector *connector, |
cc4ceb48 | 722 | struct drm_connector_state *state); |
88548636 DV |
723 | |
724 | /** | |
725 | * @atomic_set_property: | |
726 | * | |
727 | * Decode a driver-private property value and store the decoded value | |
728 | * into the passed-in state structure. Since the atomic core decodes all | |
729 | * standardized properties (even for extensions beyond the core set of | |
730 | * properties which might not be implemented by all drivers) this | |
731 | * requires drivers to subclass the state structure. | |
732 | * | |
733 | * Such driver-private properties should really only be implemented for | |
734 | * truly hardware/vendor specific state. Instead it is preferred to | |
735 | * standardize atomic extension and decode the properties used to expose | |
736 | * such an extension in the core. | |
737 | * | |
738 | * Do not call this function directly, use | |
739 | * drm_atomic_connector_set_property() instead. | |
740 | * | |
741 | * This callback is optional if the driver does not support any | |
742 | * driver-private atomic properties. | |
743 | * | |
744 | * NOTE: | |
745 | * | |
746 | * This function is called in the state assembly phase of atomic | |
747 | * modesets, which can be aborted for any reason (including on | |
748 | * userspace's request to just check whether a configuration would be | |
749 | * possible). Drivers MUST NOT touch any persistent state (hardware or | |
750 | * software) or data structures except the passed in @state parameter. | |
751 | * | |
752 | * Also since userspace controls in which order properties are set this | |
753 | * function must not do any input validation (since the state update is | |
754 | * incomplete and hence likely inconsistent). Instead any such input | |
755 | * validation must be done in the various atomic_check callbacks. | |
756 | * | |
757 | * RETURNS: | |
758 | * | |
759 | * 0 if the property has been found, -EINVAL if the property isn't | |
760 | * implemented by the driver (which shouldn't ever happen, the core only | |
761 | * asks for properties attached to this connector). No other validation | |
762 | * is allowed by the driver. The core already checks that the property | |
763 | * value is within the range (integer, valid enum value, ...) the driver | |
764 | * set when registering the property. | |
765 | */ | |
144ecb97 DV |
766 | int (*atomic_set_property)(struct drm_connector *connector, |
767 | struct drm_connector_state *state, | |
768 | struct drm_property *property, | |
769 | uint64_t val); | |
88548636 DV |
770 | |
771 | /** | |
772 | * @atomic_get_property: | |
773 | * | |
774 | * Reads out the decoded driver-private property. This is used to | |
775 | * implement the GETCONNECTOR ioctl. | |
776 | * | |
777 | * Do not call this function directly, use | |
778 | * drm_atomic_connector_get_property() instead. | |
779 | * | |
780 | * This callback is optional if the driver does not support any | |
781 | * driver-private atomic properties. | |
782 | * | |
783 | * RETURNS: | |
784 | * | |
785 | * 0 on success, -EINVAL if the property isn't implemented by the | |
786 | * driver (which shouldn't ever happen, the core only asks for | |
787 | * properties attached to this connector). | |
788 | */ | |
ac9c9256 RC |
789 | int (*atomic_get_property)(struct drm_connector *connector, |
790 | const struct drm_connector_state *state, | |
791 | struct drm_property *property, | |
792 | uint64_t *val); | |
f453ba04 DA |
793 | }; |
794 | ||
6c3db920 | 795 | /** |
3bf0401c | 796 | * struct drm_encoder_funcs - encoder controls |
6c3db920 JB |
797 | * |
798 | * Encoders sit between CRTCs and connectors. | |
799 | */ | |
f453ba04 | 800 | struct drm_encoder_funcs { |
88548636 DV |
801 | /** |
802 | * @reset: | |
803 | * | |
804 | * Reset encoder hardware and software state to off. This function isn't | |
805 | * called by the core directly, only through drm_mode_config_reset(). | |
806 | * It's not a helper hook only for historical reasons. | |
807 | */ | |
eb033556 | 808 | void (*reset)(struct drm_encoder *encoder); |
88548636 DV |
809 | |
810 | /** | |
811 | * @destroy: | |
812 | * | |
813 | * Clean up encoder resources. This is only called at driver unload time | |
814 | * through drm_mode_config_cleanup() since an encoder cannot be | |
815 | * hotplugged in DRM. | |
816 | */ | |
f453ba04 DA |
817 | void (*destroy)(struct drm_encoder *encoder); |
818 | }; | |
819 | ||
afe887df | 820 | #define DRM_CONNECTOR_MAX_ENCODER 3 |
f453ba04 DA |
821 | |
822 | /** | |
3bf0401c | 823 | * struct drm_encoder - central DRM encoder structure |
db3e4499 JB |
824 | * @dev: parent DRM device |
825 | * @head: list management | |
826 | * @base: base KMS object | |
e5748946 | 827 | * @name: encoder name |
db3e4499 JB |
828 | * @encoder_type: one of the %DRM_MODE_ENCODER_<foo> types in drm_mode.h |
829 | * @possible_crtcs: bitmask of potential CRTC bindings | |
830 | * @possible_clones: bitmask of potential sibling encoders for cloning | |
831 | * @crtc: currently bound CRTC | |
3b336ec4 | 832 | * @bridge: bridge associated to the encoder |
db3e4499 JB |
833 | * @funcs: control functions |
834 | * @helper_private: mid-layer private data | |
835 | * | |
836 | * CRTCs drive pixels to encoders, which convert them into signals | |
837 | * appropriate for a given connector or set of connectors. | |
f453ba04 DA |
838 | */ |
839 | struct drm_encoder { | |
840 | struct drm_device *dev; | |
841 | struct list_head head; | |
842 | ||
843 | struct drm_mode_object base; | |
e5748946 | 844 | char *name; |
f453ba04 DA |
845 | int encoder_type; |
846 | uint32_t possible_crtcs; | |
847 | uint32_t possible_clones; | |
848 | ||
849 | struct drm_crtc *crtc; | |
3b336ec4 | 850 | struct drm_bridge *bridge; |
f453ba04 | 851 | const struct drm_encoder_funcs *funcs; |
4490d4c7 | 852 | const struct drm_encoder_helper_funcs *helper_private; |
f453ba04 DA |
853 | }; |
854 | ||
eb1f8e4f DA |
855 | /* should we poll this connector for connects and disconnects */ |
856 | /* hot plug detectable */ | |
857 | #define DRM_CONNECTOR_POLL_HPD (1 << 0) | |
858 | /* poll for connections */ | |
859 | #define DRM_CONNECTOR_POLL_CONNECT (1 << 1) | |
860 | /* can cleanly poll for disconnections without flickering the screen */ | |
861 | /* DACs should rarely do this without a lot of testing */ | |
862 | #define DRM_CONNECTOR_POLL_DISCONNECT (1 << 2) | |
863 | ||
76adaa34 WF |
864 | #define MAX_ELD_BYTES 128 |
865 | ||
f453ba04 | 866 | /** |
3bf0401c | 867 | * struct drm_connector - central DRM connector control structure |
72252548 JB |
868 | * @dev: parent DRM device |
869 | * @kdev: kernel device for sysfs attributes | |
870 | * @attr: sysfs attributes | |
871 | * @head: list management | |
872 | * @base: base KMS object | |
2abdd313 | 873 | * @name: connector name |
72252548 JB |
874 | * @connector_type: one of the %DRM_MODE_CONNECTOR_<foo> types from drm_mode.h |
875 | * @connector_type_id: index into connector type enum | |
f453ba04 DA |
876 | * @interlace_allowed: can this connector handle interlaced modes? |
877 | * @doublescan_allowed: can this connector handle doublescan? | |
2c0c33d4 | 878 | * @stereo_allowed: can this connector handle stereo modes? |
72252548 JB |
879 | * @modes: modes available on this connector (from fill_modes() + user) |
880 | * @status: one of the drm_connector_status enums (connected, not, or unknown) | |
881 | * @probed_modes: list of modes derived directly from the display | |
882 | * @display_info: information about attached display (e.g. from EDID) | |
f453ba04 | 883 | * @funcs: connector control functions |
72252548 | 884 | * @edid_blob_ptr: DRM property containing EDID if present |
7e3bdf4a | 885 | * @properties: property tracking for this connector |
2c0c33d4 | 886 | * @path_blob_ptr: DRM blob property data for the DP MST path property |
72252548 JB |
887 | * @polled: a %DRM_CONNECTOR_POLL_<foo> value for core driven polling |
888 | * @dpms: current dpms state | |
889 | * @helper_private: mid-layer private data | |
2c0c33d4 | 890 | * @cmdline_mode: mode line parsed from the kernel cmdline for this connector |
72252548 | 891 | * @force: a %DRM_FORCE_<foo> state for forced mode sets |
2c0c33d4 | 892 | * @override_edid: has the EDID been overwritten through debugfs for testing? |
72252548 JB |
893 | * @encoder_ids: valid encoders for this connector |
894 | * @encoder: encoder driving this connector, if any | |
895 | * @eld: EDID-like data, if present | |
896 | * @dvi_dual: dual link DVI, if found | |
897 | * @max_tmds_clock: max clock rate, if found | |
898 | * @latency_present: AV delay info from ELD, if found | |
899 | * @video_latency: video latency info from ELD, if found | |
900 | * @audio_latency: audio latency info from ELD, if found | |
901 | * @null_edid_counter: track sinks that give us all zeros for the EDID | |
2c0c33d4 | 902 | * @bad_edid_counter: track sinks that give us an EDID with invalid checksum |
ac6f2e29 | 903 | * @edid_corrupt: indicates whether the last read EDID was corrupt |
2c0c33d4 | 904 | * @debugfs_entry: debugfs directory for this connector |
144ecb97 | 905 | * @state: current atomic state for this connector |
40d9b043 DA |
906 | * @has_tile: is this connector connected to a tiled monitor |
907 | * @tile_group: tile group for the connected monitor | |
908 | * @tile_is_single_monitor: whether the tile is one monitor housing | |
909 | * @num_h_tile: number of horizontal tiles in the tile group | |
910 | * @num_v_tile: number of vertical tiles in the tile group | |
911 | * @tile_h_loc: horizontal location of this tile | |
912 | * @tile_v_loc: vertical location of this tile | |
913 | * @tile_h_size: horizontal size of this tile. | |
914 | * @tile_v_size: vertical size of this tile. | |
f453ba04 DA |
915 | * |
916 | * Each connector may be connected to one or more CRTCs, or may be clonable by | |
917 | * another connector if they can share a CRTC. Each connector also has a specific | |
918 | * position in the broader display (referred to as a 'screen' though it could | |
919 | * span multiple monitors). | |
920 | */ | |
921 | struct drm_connector { | |
922 | struct drm_device *dev; | |
5bdebb18 | 923 | struct device *kdev; |
f453ba04 DA |
924 | struct device_attribute *attr; |
925 | struct list_head head; | |
926 | ||
927 | struct drm_mode_object base; | |
928 | ||
2abdd313 | 929 | char *name; |
f453ba04 DA |
930 | int connector_type; |
931 | int connector_type_id; | |
932 | bool interlace_allowed; | |
933 | bool doublescan_allowed; | |
560a067a | 934 | bool stereo_allowed; |
f453ba04 DA |
935 | struct list_head modes; /* list of modes on this connector */ |
936 | ||
f453ba04 DA |
937 | enum drm_connector_status status; |
938 | ||
939 | /* these are modes added by probing with DDC or the BIOS */ | |
940 | struct list_head probed_modes; | |
941 | ||
942 | struct drm_display_info display_info; | |
943 | const struct drm_connector_funcs *funcs; | |
944 | ||
f453ba04 | 945 | struct drm_property_blob *edid_blob_ptr; |
7e3bdf4a | 946 | struct drm_object_properties properties; |
f453ba04 | 947 | |
43aba7eb DA |
948 | struct drm_property_blob *path_blob_ptr; |
949 | ||
6f134d7b DA |
950 | struct drm_property_blob *tile_blob_ptr; |
951 | ||
eb1f8e4f DA |
952 | uint8_t polled; /* DRM_CONNECTOR_POLL_* */ |
953 | ||
c9fb15f6 KP |
954 | /* requested DPMS state */ |
955 | int dpms; | |
956 | ||
4490d4c7 | 957 | const struct drm_connector_helper_funcs *helper_private; |
f453ba04 | 958 | |
d50ba256 | 959 | /* forced on connector */ |
eaf99c74 | 960 | struct drm_cmdline_mode cmdline_mode; |
d50ba256 | 961 | enum drm_connector_force force; |
4cf2b281 | 962 | bool override_edid; |
f453ba04 | 963 | uint32_t encoder_ids[DRM_CONNECTOR_MAX_ENCODER]; |
f453ba04 | 964 | struct drm_encoder *encoder; /* currently active encoder */ |
4a9a8b71 | 965 | |
76adaa34 WF |
966 | /* EDID bits */ |
967 | uint8_t eld[MAX_ELD_BYTES]; | |
968 | bool dvi_dual; | |
969 | int max_tmds_clock; /* in MHz */ | |
970 | bool latency_present[2]; | |
971 | int video_latency[2]; /* [0]: progressive, [1]: interlaced */ | |
972 | int audio_latency[2]; | |
4a9a8b71 | 973 | int null_edid_counter; /* needed to workaround some HW bugs where we get all 0s */ |
0b2443ed | 974 | unsigned bad_edid_counter; |
30f65707 | 975 | |
6ba2bd3d TP |
976 | /* Flag for raw EDID header corruption - used in Displayport |
977 | * compliance testing - * Displayport Link CTS Core 1.2 rev1.1 4.2.2.6 | |
978 | */ | |
979 | bool edid_corrupt; | |
980 | ||
30f65707 | 981 | struct dentry *debugfs_entry; |
144ecb97 DV |
982 | |
983 | struct drm_connector_state *state; | |
40d9b043 DA |
984 | |
985 | /* DisplayID bits */ | |
986 | bool has_tile; | |
987 | struct drm_tile_group *tile_group; | |
988 | bool tile_is_single_monitor; | |
989 | ||
990 | uint8_t num_h_tile, num_v_tile; | |
991 | uint8_t tile_h_loc, tile_v_loc; | |
992 | uint16_t tile_h_size, tile_v_size; | |
144ecb97 DV |
993 | }; |
994 | ||
995 | /** | |
996 | * struct drm_plane_state - mutable plane state | |
07cc0ef6 | 997 | * @plane: backpointer to the plane |
144ecb97 | 998 | * @crtc: currently bound CRTC, NULL if disabled |
cc4ceb48 | 999 | * @fb: currently bound framebuffer |
e2330f07 | 1000 | * @fence: optional fence to wait for before scanning out @fb |
144ecb97 DV |
1001 | * @crtc_x: left position of visible portion of plane on crtc |
1002 | * @crtc_y: upper position of visible portion of plane on crtc | |
1003 | * @crtc_w: width of visible portion of plane on crtc | |
1004 | * @crtc_h: height of visible portion of plane on crtc | |
1005 | * @src_x: left position of visible portion of plane within | |
1006 | * plane (in 16.16) | |
1007 | * @src_y: upper position of visible portion of plane within | |
1008 | * plane (in 16.16) | |
1009 | * @src_w: width of visible portion of plane (in 16.16) | |
1010 | * @src_h: height of visible portion of plane (in 16.16) | |
1011 | * @state: backpointer to global drm_atomic_state | |
1012 | */ | |
1013 | struct drm_plane_state { | |
07cc0ef6 DV |
1014 | struct drm_plane *plane; |
1015 | ||
6ddd388a RC |
1016 | struct drm_crtc *crtc; /* do not write directly, use drm_atomic_set_crtc_for_plane() */ |
1017 | struct drm_framebuffer *fb; /* do not write directly, use drm_atomic_set_fb_for_plane() */ | |
e2330f07 | 1018 | struct fence *fence; |
144ecb97 DV |
1019 | |
1020 | /* Signed dest location allows it to be partially off screen */ | |
1021 | int32_t crtc_x, crtc_y; | |
1022 | uint32_t crtc_w, crtc_h; | |
1023 | ||
1024 | /* Source values are 16.16 fixed point */ | |
1025 | uint32_t src_x, src_y; | |
1026 | uint32_t src_h, src_w; | |
1027 | ||
1da30627 MR |
1028 | /* Plane rotation */ |
1029 | unsigned int rotation; | |
1030 | ||
144ecb97 | 1031 | struct drm_atomic_state *state; |
f453ba04 DA |
1032 | }; |
1033 | ||
144ecb97 | 1034 | |
8cf5c917 | 1035 | /** |
3bf0401c | 1036 | * struct drm_plane_funcs - driver plane control functions |
8cf5c917 JB |
1037 | */ |
1038 | struct drm_plane_funcs { | |
88548636 DV |
1039 | /** |
1040 | * @update_plane: | |
1041 | * | |
1042 | * This is the legacy entry point to enable and configure the plane for | |
1043 | * the given CRTC and framebuffer. It is never called to disable the | |
1044 | * plane, i.e. the passed-in crtc and fb paramters are never NULL. | |
1045 | * | |
1046 | * The source rectangle in frame buffer memory coordinates is given by | |
1047 | * the src_x, src_y, src_w and src_h parameters (as 16.16 fixed point | |
1048 | * values). Devices that don't support subpixel plane coordinates can | |
1049 | * ignore the fractional part. | |
1050 | * | |
1051 | * The destination rectangle in CRTC coordinates is given by the | |
1052 | * crtc_x, crtc_y, crtc_w and crtc_h parameters (as integer values). | |
1053 | * Devices scale the source rectangle to the destination rectangle. If | |
1054 | * scaling is not supported, and the source rectangle size doesn't match | |
1055 | * the destination rectangle size, the driver must return a | |
1056 | * -<errorname>EINVAL</errorname> error. | |
1057 | * | |
1058 | * Drivers implementing atomic modeset should use | |
1059 | * drm_atomic_helper_update_plane() to implement this hook. | |
1060 | * | |
1061 | * RETURNS: | |
1062 | * | |
1063 | * 0 on success or a negative error code on failure. | |
1064 | */ | |
8cf5c917 JB |
1065 | int (*update_plane)(struct drm_plane *plane, |
1066 | struct drm_crtc *crtc, struct drm_framebuffer *fb, | |
1067 | int crtc_x, int crtc_y, | |
1068 | unsigned int crtc_w, unsigned int crtc_h, | |
1069 | uint32_t src_x, uint32_t src_y, | |
1070 | uint32_t src_w, uint32_t src_h); | |
88548636 DV |
1071 | |
1072 | /** | |
1073 | * @disable_plane: | |
1074 | * | |
1075 | * This is the legacy entry point to disable the plane. The DRM core | |
1076 | * calls this method in response to a DRM_IOCTL_MODE_SETPLANE ioctl call | |
1077 | * with the frame buffer ID set to 0. Disabled planes must not be | |
1078 | * processed by the CRTC. | |
1079 | * | |
1080 | * Drivers implementing atomic modeset should use | |
1081 | * drm_atomic_helper_disable_plane() to implement this hook. | |
1082 | * | |
1083 | * RETURNS: | |
1084 | * | |
1085 | * 0 on success or a negative error code on failure. | |
1086 | */ | |
8cf5c917 | 1087 | int (*disable_plane)(struct drm_plane *plane); |
88548636 DV |
1088 | |
1089 | /** | |
1090 | * @destroy: | |
1091 | * | |
1092 | * Clean up plane resources. This is only called at driver unload time | |
1093 | * through drm_mode_config_cleanup() since a plane cannot be hotplugged | |
1094 | * in DRM. | |
1095 | */ | |
8cf5c917 | 1096 | void (*destroy)(struct drm_plane *plane); |
88548636 DV |
1097 | |
1098 | /** | |
1099 | * @reset: | |
1100 | * | |
1101 | * Reset plane hardware and software state to off. This function isn't | |
1102 | * called by the core directly, only through drm_mode_config_reset(). | |
1103 | * It's not a helper hook only for historical reasons. | |
1104 | * | |
1105 | * Atomic drivers can use drm_atomic_helper_plane_reset() to reset | |
1106 | * atomic state using this hook. | |
1107 | */ | |
2a0d7cfd | 1108 | void (*reset)(struct drm_plane *plane); |
4d93914a | 1109 | |
88548636 DV |
1110 | /** |
1111 | * @set_property: | |
1112 | * | |
1113 | * This is the legacy entry point to update a property attached to the | |
1114 | * plane. | |
1115 | * | |
1116 | * Drivers implementing atomic modeset should use | |
1117 | * drm_atomic_helper_plane_set_property() to implement this hook. | |
1118 | * | |
1119 | * This callback is optional if the driver does not support any legacy | |
1120 | * driver-private properties. | |
1121 | * | |
1122 | * RETURNS: | |
1123 | * | |
1124 | * 0 on success or a negative error code on failure. | |
1125 | */ | |
4d93914a RC |
1126 | int (*set_property)(struct drm_plane *plane, |
1127 | struct drm_property *property, uint64_t val); | |
144ecb97 | 1128 | |
88548636 DV |
1129 | /** |
1130 | * @atomic_duplicate_state: | |
1131 | * | |
1132 | * Duplicate the current atomic state for this plane and return it. | |
1133 | * The core and helpers gurantee that any atomic state duplicated with | |
1134 | * this hook and still owned by the caller (i.e. not transferred to the | |
1135 | * driver by calling ->atomic_commit() from struct | |
1136 | * &drm_mode_config_funcs) will be cleaned up by calling the | |
1137 | * @atomic_destroy_state hook in this structure. | |
1138 | * | |
1139 | * Atomic drivers which don't subclass struct &drm_plane_state should use | |
1140 | * drm_atomic_helper_plane_duplicate_state(). Drivers that subclass the | |
1141 | * state structure to extend it with driver-private state should use | |
1142 | * __drm_atomic_helper_plane_duplicate_state() to make sure shared state is | |
1143 | * duplicated in a consistent fashion across drivers. | |
1144 | * | |
1145 | * It is an error to call this hook before plane->state has been | |
1146 | * initialized correctly. | |
1147 | * | |
1148 | * NOTE: | |
1149 | * | |
1150 | * If the duplicate state references refcounted resources this hook must | |
1151 | * acquire a reference for each of them. The driver must release these | |
1152 | * references again in @atomic_destroy_state. | |
1153 | * | |
1154 | * RETURNS: | |
1155 | * | |
1156 | * Duplicated atomic state or NULL when the allocation failed. | |
1157 | */ | |
144ecb97 | 1158 | struct drm_plane_state *(*atomic_duplicate_state)(struct drm_plane *plane); |
88548636 DV |
1159 | |
1160 | /** | |
1161 | * @atomic_destroy_state: | |
1162 | * | |
1163 | * Destroy a state duplicated with @atomic_duplicate_state and release | |
1164 | * or unreference all resources it references | |
1165 | */ | |
144ecb97 | 1166 | void (*atomic_destroy_state)(struct drm_plane *plane, |
cc4ceb48 | 1167 | struct drm_plane_state *state); |
88548636 DV |
1168 | |
1169 | /** | |
1170 | * @atomic_set_property: | |
1171 | * | |
1172 | * Decode a driver-private property value and store the decoded value | |
1173 | * into the passed-in state structure. Since the atomic core decodes all | |
1174 | * standardized properties (even for extensions beyond the core set of | |
1175 | * properties which might not be implemented by all drivers) this | |
1176 | * requires drivers to subclass the state structure. | |
1177 | * | |
1178 | * Such driver-private properties should really only be implemented for | |
1179 | * truly hardware/vendor specific state. Instead it is preferred to | |
1180 | * standardize atomic extension and decode the properties used to expose | |
1181 | * such an extension in the core. | |
1182 | * | |
1183 | * Do not call this function directly, use | |
1184 | * drm_atomic_plane_set_property() instead. | |
1185 | * | |
1186 | * This callback is optional if the driver does not support any | |
1187 | * driver-private atomic properties. | |
1188 | * | |
1189 | * NOTE: | |
1190 | * | |
1191 | * This function is called in the state assembly phase of atomic | |
1192 | * modesets, which can be aborted for any reason (including on | |
1193 | * userspace's request to just check whether a configuration would be | |
1194 | * possible). Drivers MUST NOT touch any persistent state (hardware or | |
1195 | * software) or data structures except the passed in @state parameter. | |
1196 | * | |
1197 | * Also since userspace controls in which order properties are set this | |
1198 | * function must not do any input validation (since the state update is | |
1199 | * incomplete and hence likely inconsistent). Instead any such input | |
1200 | * validation must be done in the various atomic_check callbacks. | |
1201 | * | |
1202 | * RETURNS: | |
1203 | * | |
1204 | * 0 if the property has been found, -EINVAL if the property isn't | |
1205 | * implemented by the driver (which shouldn't ever happen, the core only | |
1206 | * asks for properties attached to this plane). No other validation is | |
1207 | * allowed by the driver. The core already checks that the property | |
1208 | * value is within the range (integer, valid enum value, ...) the driver | |
1209 | * set when registering the property. | |
1210 | */ | |
144ecb97 DV |
1211 | int (*atomic_set_property)(struct drm_plane *plane, |
1212 | struct drm_plane_state *state, | |
1213 | struct drm_property *property, | |
1214 | uint64_t val); | |
88548636 DV |
1215 | |
1216 | /** | |
1217 | * @atomic_get_property: | |
1218 | * | |
1219 | * Reads out the decoded driver-private property. This is used to | |
1220 | * implement the GETPLANE ioctl. | |
1221 | * | |
1222 | * Do not call this function directly, use | |
1223 | * drm_atomic_plane_get_property() instead. | |
1224 | * | |
1225 | * This callback is optional if the driver does not support any | |
1226 | * driver-private atomic properties. | |
1227 | * | |
1228 | * RETURNS: | |
1229 | * | |
1230 | * 0 on success, -EINVAL if the property isn't implemented by the | |
1231 | * driver (which should never happen, the core only asks for | |
1232 | * properties attached to this plane). | |
1233 | */ | |
ac9c9256 RC |
1234 | int (*atomic_get_property)(struct drm_plane *plane, |
1235 | const struct drm_plane_state *state, | |
1236 | struct drm_property *property, | |
1237 | uint64_t *val); | |
8cf5c917 JB |
1238 | }; |
1239 | ||
e27dde3e MR |
1240 | enum drm_plane_type { |
1241 | DRM_PLANE_TYPE_OVERLAY, | |
1242 | DRM_PLANE_TYPE_PRIMARY, | |
1243 | DRM_PLANE_TYPE_CURSOR, | |
1244 | }; | |
1245 | ||
88548636 | 1246 | |
8cf5c917 | 1247 | /** |
3bf0401c | 1248 | * struct drm_plane - central DRM plane control structure |
8cf5c917 JB |
1249 | * @dev: DRM device this plane belongs to |
1250 | * @head: for list management | |
1251 | * @base: base mode object | |
1252 | * @possible_crtcs: pipes this plane can be bound to | |
1253 | * @format_types: array of formats supported by this plane | |
1254 | * @format_count: number of formats supported | |
7eb5f302 | 1255 | * @format_default: driver hasn't supplied supported formats for the plane |
8cf5c917 JB |
1256 | * @crtc: currently bound CRTC |
1257 | * @fb: currently bound fb | |
2c0c33d4 DV |
1258 | * @old_fb: Temporary tracking of the old fb while a modeset is ongoing. Used by |
1259 | * drm_mode_set_config_internal() to implement correct refcounting. | |
8cf5c917 | 1260 | * @funcs: helper functions |
4d93914a | 1261 | * @properties: property tracking for this plane |
e27dde3e | 1262 | * @type: type of plane (overlay, primary, cursor) |
144ecb97 | 1263 | * @state: current atomic state for this plane |
8cf5c917 JB |
1264 | */ |
1265 | struct drm_plane { | |
1266 | struct drm_device *dev; | |
1267 | struct list_head head; | |
1268 | ||
4d02e2de DV |
1269 | struct drm_modeset_lock mutex; |
1270 | ||
8cf5c917 JB |
1271 | struct drm_mode_object base; |
1272 | ||
1273 | uint32_t possible_crtcs; | |
1274 | uint32_t *format_types; | |
45e3743a | 1275 | unsigned int format_count; |
7eb5f302 | 1276 | bool format_default; |
8cf5c917 JB |
1277 | |
1278 | struct drm_crtc *crtc; | |
1279 | struct drm_framebuffer *fb; | |
1280 | ||
3d30a59b DV |
1281 | struct drm_framebuffer *old_fb; |
1282 | ||
8cf5c917 | 1283 | const struct drm_plane_funcs *funcs; |
4d93914a RC |
1284 | |
1285 | struct drm_object_properties properties; | |
e27dde3e MR |
1286 | |
1287 | enum drm_plane_type type; | |
144ecb97 | 1288 | |
4490d4c7 | 1289 | const struct drm_plane_helper_funcs *helper_private; |
c2fcd274 | 1290 | |
144ecb97 | 1291 | struct drm_plane_state *state; |
8cf5c917 JB |
1292 | }; |
1293 | ||
3b336ec4 | 1294 | /** |
3bf0401c | 1295 | * struct drm_bridge_funcs - drm_bridge control functions |
3d3f8b1f | 1296 | * @attach: Called during drm_bridge_attach |
3b336ec4 SP |
1297 | */ |
1298 | struct drm_bridge_funcs { | |
3d3f8b1f | 1299 | int (*attach)(struct drm_bridge *bridge); |
da024fe5 DV |
1300 | |
1301 | /** | |
1302 | * @mode_fixup: | |
1303 | * | |
1304 | * This callback is used to validate and adjust a mode. The paramater | |
1305 | * mode is the display mode that should be fed to the next element in | |
1306 | * the display chain, either the final &drm_connector or the next | |
1307 | * &drm_bridge. The parameter adjusted_mode is the input mode the bridge | |
1308 | * requires. It can be modified by this callback and does not need to | |
1309 | * match mode. | |
1310 | * | |
1311 | * This is the only hook that allows a bridge to reject a modeset. If | |
1312 | * this function passes all other callbacks must succeed for this | |
1313 | * configuration. | |
1314 | * | |
1315 | * NOTE: | |
1316 | * | |
1317 | * This function is called in the check phase of atomic modesets, which | |
1318 | * can be aborted for any reason (including on userspace's request to | |
1319 | * just check whether a configuration would be possible). Drivers MUST | |
1320 | * NOT touch any persistent state (hardware or software) or data | |
88548636 | 1321 | * structures except the passed in @state parameter. |
da024fe5 DV |
1322 | * |
1323 | * RETURNS: | |
1324 | * | |
1325 | * True if an acceptable configuration is possible, false if the modeset | |
1326 | * operation should be rejected. | |
1327 | */ | |
3b336ec4 SP |
1328 | bool (*mode_fixup)(struct drm_bridge *bridge, |
1329 | const struct drm_display_mode *mode, | |
1330 | struct drm_display_mode *adjusted_mode); | |
da024fe5 DV |
1331 | /** |
1332 | * @disable: | |
1333 | * | |
1334 | * This callback should disable the bridge. It is called right before | |
1335 | * the preceding element in the display pipe is disabled. If the | |
1336 | * preceding element is a bridge this means it's called before that | |
1337 | * bridge's ->disable() function. If the preceding element is a | |
1338 | * &drm_encoder it's called right before the encoder's ->disable(), | |
1339 | * ->prepare() or ->dpms() hook from struct &drm_encoder_helper_funcs. | |
1340 | * | |
1341 | * The bridge can assume that the display pipe (i.e. clocks and timing | |
1342 | * signals) feeding it is still running when this callback is called. | |
1343 | */ | |
3b336ec4 | 1344 | void (*disable)(struct drm_bridge *bridge); |
da024fe5 DV |
1345 | |
1346 | /** | |
1347 | * @post_disable: | |
1348 | * | |
1349 | * This callback should disable the bridge. It is called right after | |
1350 | * the preceding element in the display pipe is disabled. If the | |
1351 | * preceding element is a bridge this means it's called after that | |
1352 | * bridge's ->post_disable() function. If the preceding element is a | |
1353 | * &drm_encoder it's called right after the encoder's ->disable(), | |
1354 | * ->prepare() or ->dpms() hook from struct &drm_encoder_helper_funcs. | |
1355 | * | |
1356 | * The bridge must assume that the display pipe (i.e. clocks and timing | |
1357 | * singals) feeding it is no longer running when this callback is | |
1358 | * called. | |
1359 | */ | |
3b336ec4 | 1360 | void (*post_disable)(struct drm_bridge *bridge); |
da024fe5 DV |
1361 | |
1362 | /** | |
1363 | * @mode_set: | |
1364 | * | |
1365 | * This callback should set the given mode on the bridge. It is called | |
1366 | * after the ->mode_set() callback for the preceding element in the | |
1367 | * display pipeline has been called already. The display pipe (i.e. | |
1368 | * clocks and timing signals) is off when this function is called. | |
1369 | */ | |
3b336ec4 SP |
1370 | void (*mode_set)(struct drm_bridge *bridge, |
1371 | struct drm_display_mode *mode, | |
1372 | struct drm_display_mode *adjusted_mode); | |
da024fe5 DV |
1373 | /** |
1374 | * @pre_enable: | |
1375 | * | |
1376 | * This callback should enable the bridge. It is called right before | |
1377 | * the preceding element in the display pipe is enabled. If the | |
1378 | * preceding element is a bridge this means it's called before that | |
1379 | * bridge's ->pre_enable() function. If the preceding element is a | |
1380 | * &drm_encoder it's called right before the encoder's ->enable(), | |
1381 | * ->commit() or ->dpms() hook from struct &drm_encoder_helper_funcs. | |
1382 | * | |
1383 | * The display pipe (i.e. clocks and timing signals) feeding this bridge | |
1384 | * will not yet be running when this callback is called. The bridge must | |
1385 | * not enable the display link feeding the next bridge in the chain (if | |
1386 | * there is one) when this callback is called. | |
1387 | */ | |
3b336ec4 | 1388 | void (*pre_enable)(struct drm_bridge *bridge); |
da024fe5 DV |
1389 | |
1390 | /** | |
1391 | * @enable: | |
1392 | * | |
1393 | * This callback should enable the bridge. It is called right after | |
1394 | * the preceding element in the display pipe is enabled. If the | |
1395 | * preceding element is a bridge this means it's called after that | |
1396 | * bridge's ->enable() function. If the preceding element is a | |
1397 | * &drm_encoder it's called right after the encoder's ->enable(), | |
1398 | * ->commit() or ->dpms() hook from struct &drm_encoder_helper_funcs. | |
1399 | * | |
1400 | * The bridge can assume that the display pipe (i.e. clocks and timing | |
1401 | * signals) feeding it is running when this callback is called. This | |
1402 | * callback must enable the display link feeding the next bridge in the | |
1403 | * chain if there is one. | |
1404 | */ | |
3b336ec4 | 1405 | void (*enable)(struct drm_bridge *bridge); |
3b336ec4 SP |
1406 | }; |
1407 | ||
1408 | /** | |
3bf0401c | 1409 | * struct drm_bridge - central DRM bridge control structure |
3b336ec4 | 1410 | * @dev: DRM device this bridge belongs to |
862e686c AT |
1411 | * @encoder: encoder to which this bridge is connected |
1412 | * @next: the next bridge in the encoder chain | |
3d3f8b1f AK |
1413 | * @of_node: device node pointer to the bridge |
1414 | * @list: to keep track of all added bridges | |
3b336ec4 SP |
1415 | * @funcs: control functions |
1416 | * @driver_private: pointer to the bridge driver's internal context | |
1417 | */ | |
1418 | struct drm_bridge { | |
1419 | struct drm_device *dev; | |
3d3f8b1f | 1420 | struct drm_encoder *encoder; |
862e686c | 1421 | struct drm_bridge *next; |
3d3f8b1f AK |
1422 | #ifdef CONFIG_OF |
1423 | struct device_node *of_node; | |
1424 | #endif | |
1425 | struct list_head list; | |
3b336ec4 SP |
1426 | |
1427 | const struct drm_bridge_funcs *funcs; | |
1428 | void *driver_private; | |
1429 | }; | |
1430 | ||
cc4ceb48 | 1431 | /** |
08855fae | 1432 | * struct drm_atomic_state - the global state object for atomic updates |
cc4ceb48 | 1433 | * @dev: parent DRM device |
d34f20d6 | 1434 | * @allow_modeset: allow full modeset |
f02ad907 | 1435 | * @legacy_cursor_update: hint to enforce legacy cursor ioctl semantics |
cc4ceb48 DV |
1436 | * @planes: pointer to array of plane pointers |
1437 | * @plane_states: pointer to array of plane states pointers | |
1438 | * @crtcs: pointer to array of CRTC pointers | |
1439 | * @crtc_states: pointer to array of CRTC states pointers | |
f52b69f1 | 1440 | * @num_connector: size of the @connectors and @connector_states arrays |
cc4ceb48 DV |
1441 | * @connectors: pointer to array of connector pointers |
1442 | * @connector_states: pointer to array of connector states pointers | |
1443 | * @acquire_ctx: acquire context for this atomic modeset state update | |
1444 | */ | |
1445 | struct drm_atomic_state { | |
1446 | struct drm_device *dev; | |
d34f20d6 | 1447 | bool allow_modeset : 1; |
f02ad907 | 1448 | bool legacy_cursor_update : 1; |
cc4ceb48 DV |
1449 | struct drm_plane **planes; |
1450 | struct drm_plane_state **plane_states; | |
1451 | struct drm_crtc **crtcs; | |
1452 | struct drm_crtc_state **crtc_states; | |
f52b69f1 | 1453 | int num_connector; |
cc4ceb48 DV |
1454 | struct drm_connector **connectors; |
1455 | struct drm_connector_state **connector_states; | |
1456 | ||
1457 | struct drm_modeset_acquire_ctx *acquire_ctx; | |
1458 | }; | |
1459 | ||
1460 | ||
f453ba04 | 1461 | /** |
3bf0401c | 1462 | * struct drm_mode_set - new values for a CRTC config change |
ef27351a JB |
1463 | * @fb: framebuffer to use for new config |
1464 | * @crtc: CRTC whose configuration we're about to change | |
1465 | * @mode: mode timings to use | |
1466 | * @x: position of this CRTC relative to @fb | |
1467 | * @y: position of this CRTC relative to @fb | |
1468 | * @connectors: array of connectors to drive with this CRTC if possible | |
1469 | * @num_connectors: size of @connectors array | |
f453ba04 DA |
1470 | * |
1471 | * Represents a single crtc the connectors that it drives with what mode | |
1472 | * and from which framebuffer it scans out from. | |
1473 | * | |
1474 | * This is used to set modes. | |
1475 | */ | |
1476 | struct drm_mode_set { | |
f453ba04 DA |
1477 | struct drm_framebuffer *fb; |
1478 | struct drm_crtc *crtc; | |
1479 | struct drm_display_mode *mode; | |
1480 | ||
1481 | uint32_t x; | |
1482 | uint32_t y; | |
1483 | ||
1484 | struct drm_connector **connectors; | |
1485 | size_t num_connectors; | |
1486 | }; | |
1487 | ||
1488 | /** | |
550cebcd JB |
1489 | * struct drm_mode_config_funcs - basic driver provided mode setting functions |
1490 | * @fb_create: create a new framebuffer object | |
1491 | * @output_poll_changed: function to handle output configuration changes | |
2b1193d5 | 1492 | * @atomic_check: check whether a given atomic state update is possible |
cc4ceb48 DV |
1493 | * @atomic_commit: commit an atomic state update previously verified with |
1494 | * atomic_check() | |
036ef573 ML |
1495 | * @atomic_state_alloc: allocate a new atomic state |
1496 | * @atomic_state_clear: clear the atomic state | |
1497 | * @atomic_state_free: free the atomic state | |
550cebcd JB |
1498 | * |
1499 | * Some global (i.e. not per-CRTC, connector, etc) mode setting functions that | |
1500 | * involve drivers. | |
f453ba04 DA |
1501 | */ |
1502 | struct drm_mode_config_funcs { | |
550cebcd JB |
1503 | struct drm_framebuffer *(*fb_create)(struct drm_device *dev, |
1504 | struct drm_file *file_priv, | |
1eb83451 | 1505 | const struct drm_mode_fb_cmd2 *mode_cmd); |
eb1f8e4f | 1506 | void (*output_poll_changed)(struct drm_device *dev); |
cc4ceb48 DV |
1507 | |
1508 | int (*atomic_check)(struct drm_device *dev, | |
1509 | struct drm_atomic_state *a); | |
1510 | int (*atomic_commit)(struct drm_device *dev, | |
1511 | struct drm_atomic_state *a, | |
1512 | bool async); | |
036ef573 ML |
1513 | struct drm_atomic_state *(*atomic_state_alloc)(struct drm_device *dev); |
1514 | void (*atomic_state_clear)(struct drm_atomic_state *state); | |
1515 | void (*atomic_state_free)(struct drm_atomic_state *state); | |
f453ba04 DA |
1516 | }; |
1517 | ||
f453ba04 | 1518 | /** |
2c0c33d4 | 1519 | * struct drm_mode_config - Mode configuration control structure |
a62c93d5 | 1520 | * @mutex: mutex protecting KMS related lists and structures |
2c0c33d4 DV |
1521 | * @connection_mutex: ww mutex protecting connector state and routing |
1522 | * @acquire_ctx: global implicit acquire context used by atomic drivers for | |
1523 | * legacy ioctls | |
a62c93d5 JB |
1524 | * @idr_mutex: mutex for KMS ID allocation and management |
1525 | * @crtc_idr: main KMS ID tracking object | |
2c0c33d4 | 1526 | * @fb_lock: mutex to protect fb state and lists |
a62c93d5 JB |
1527 | * @num_fb: number of fbs available |
1528 | * @fb_list: list of framebuffers available | |
1529 | * @num_connector: number of connectors on this device | |
1530 | * @connector_list: list of connector objects | |
1531 | * @num_encoder: number of encoders on this device | |
1532 | * @encoder_list: list of encoder objects | |
2c0c33d4 DV |
1533 | * @num_overlay_plane: number of overlay planes on this device |
1534 | * @num_total_plane: number of universal (i.e. with primary/curso) planes on this device | |
1535 | * @plane_list: list of plane objects | |
a62c93d5 JB |
1536 | * @num_crtc: number of CRTCs on this device |
1537 | * @crtc_list: list of CRTC objects | |
2c0c33d4 | 1538 | * @property_list: list of property objects |
a62c93d5 JB |
1539 | * @min_width: minimum pixel width on this device |
1540 | * @min_height: minimum pixel height on this device | |
1541 | * @max_width: maximum pixel width on this device | |
1542 | * @max_height: maximum pixel height on this device | |
1543 | * @funcs: core driver provided mode setting functions | |
1544 | * @fb_base: base address of the framebuffer | |
2c0c33d4 DV |
1545 | * @poll_enabled: track polling support for this device |
1546 | * @poll_running: track polling status for this device | |
a62c93d5 | 1547 | * @output_poll_work: delayed work for polling in process context |
2c0c33d4 | 1548 | * @property_blob_list: list of all the blob property objects |
8fb6e7a5 | 1549 | * @blob_lock: mutex for blob property allocation and management |
a62c93d5 | 1550 | * @*_property: core property tracking |
2c0c33d4 DV |
1551 | * @preferred_depth: preferred RBG pixel depth, used by fb helpers |
1552 | * @prefer_shadow: hint to userspace to prefer shadow-fb rendering | |
1553 | * @async_page_flip: does this device support async flips on the primary plane? | |
1554 | * @cursor_width: hint to userspace for max cursor width | |
1555 | * @cursor_height: hint to userspace for max cursor height | |
f453ba04 | 1556 | * |
a62c93d5 JB |
1557 | * Core mode resource tracking structure. All CRTC, encoders, and connectors |
1558 | * enumerated by the driver are added here, as are global properties. Some | |
1559 | * global restrictions are also here, e.g. dimension restrictions. | |
f453ba04 DA |
1560 | */ |
1561 | struct drm_mode_config { | |
ad2563c2 | 1562 | struct mutex mutex; /* protects configuration (mode lists etc.) */ |
51fd371b RC |
1563 | struct drm_modeset_lock connection_mutex; /* protects connector->encoder and encoder->crtc links */ |
1564 | struct drm_modeset_acquire_ctx *acquire_ctx; /* for legacy _lock_all() / _unlock_all() */ | |
ad2563c2 | 1565 | struct mutex idr_mutex; /* for IDR management */ |
f453ba04 | 1566 | struct idr crtc_idr; /* use this idr for all IDs, fb, crtc, connector, modes - just makes life easier */ |
138f9ebb | 1567 | struct idr tile_idr; /* use this idr for all IDs, fb, crtc, connector, modes - just makes life easier */ |
f453ba04 | 1568 | /* this is limited to one for now */ |
4b096ac1 | 1569 | |
2c0c33d4 | 1570 | struct mutex fb_lock; /* proctects global and per-file fb lists */ |
f453ba04 DA |
1571 | int num_fb; |
1572 | struct list_head fb_list; | |
4b096ac1 | 1573 | |
f453ba04 DA |
1574 | int num_connector; |
1575 | struct list_head connector_list; | |
1576 | int num_encoder; | |
1577 | struct list_head encoder_list; | |
e27dde3e MR |
1578 | |
1579 | /* | |
1580 | * Track # of overlay planes separately from # of total planes. By | |
1581 | * default we only advertise overlay planes to userspace; if userspace | |
1582 | * sets the "universal plane" capability bit, we'll go ahead and | |
1583 | * expose all planes. | |
1584 | */ | |
1585 | int num_overlay_plane; | |
1586 | int num_total_plane; | |
8cf5c917 | 1587 | struct list_head plane_list; |
f453ba04 DA |
1588 | |
1589 | int num_crtc; | |
1590 | struct list_head crtc_list; | |
1591 | ||
1592 | struct list_head property_list; | |
1593 | ||
f453ba04 DA |
1594 | int min_width, min_height; |
1595 | int max_width, max_height; | |
e6ecefaa | 1596 | const struct drm_mode_config_funcs *funcs; |
d883f7f1 | 1597 | resource_size_t fb_base; |
f453ba04 | 1598 | |
eb1f8e4f DA |
1599 | /* output poll support */ |
1600 | bool poll_enabled; | |
905bc9ff | 1601 | bool poll_running; |
162b6a57 | 1602 | bool delayed_event; |
991ea75c | 1603 | struct delayed_work output_poll_work; |
eb1f8e4f | 1604 | |
8fb6e7a5 DS |
1605 | struct mutex blob_lock; |
1606 | ||
f453ba04 DA |
1607 | /* pointers to standard properties */ |
1608 | struct list_head property_blob_list; | |
1609 | struct drm_property *edid_property; | |
1610 | struct drm_property *dpms_property; | |
43aba7eb | 1611 | struct drm_property *path_property; |
6f134d7b | 1612 | struct drm_property *tile_property; |
9922ab5a | 1613 | struct drm_property *plane_type_property; |
2a297cce | 1614 | struct drm_property *rotation_property; |
6b4959f4 RC |
1615 | struct drm_property *prop_src_x; |
1616 | struct drm_property *prop_src_y; | |
1617 | struct drm_property *prop_src_w; | |
1618 | struct drm_property *prop_src_h; | |
1619 | struct drm_property *prop_crtc_x; | |
1620 | struct drm_property *prop_crtc_y; | |
1621 | struct drm_property *prop_crtc_w; | |
1622 | struct drm_property *prop_crtc_h; | |
1623 | struct drm_property *prop_fb_id; | |
1624 | struct drm_property *prop_crtc_id; | |
eab3bbef | 1625 | struct drm_property *prop_active; |
955f3c33 | 1626 | struct drm_property *prop_mode_id; |
f453ba04 DA |
1627 | |
1628 | /* DVI-I properties */ | |
1629 | struct drm_property *dvi_i_subconnector_property; | |
1630 | struct drm_property *dvi_i_select_subconnector_property; | |
1631 | ||
1632 | /* TV properties */ | |
1633 | struct drm_property *tv_subconnector_property; | |
1634 | struct drm_property *tv_select_subconnector_property; | |
1635 | struct drm_property *tv_mode_property; | |
1636 | struct drm_property *tv_left_margin_property; | |
1637 | struct drm_property *tv_right_margin_property; | |
1638 | struct drm_property *tv_top_margin_property; | |
1639 | struct drm_property *tv_bottom_margin_property; | |
b6b7902e FJ |
1640 | struct drm_property *tv_brightness_property; |
1641 | struct drm_property *tv_contrast_property; | |
1642 | struct drm_property *tv_flicker_reduction_property; | |
a75f0236 FJ |
1643 | struct drm_property *tv_overscan_property; |
1644 | struct drm_property *tv_saturation_property; | |
1645 | struct drm_property *tv_hue_property; | |
f453ba04 DA |
1646 | |
1647 | /* Optional properties */ | |
1648 | struct drm_property *scaling_mode_property; | |
ff587e45 | 1649 | struct drm_property *aspect_ratio_property; |
884840aa | 1650 | struct drm_property *dirty_info_property; |
019d96cb | 1651 | |
5bb2bbf5 DA |
1652 | /* properties for virtual machine layout */ |
1653 | struct drm_property *suggested_x_property; | |
1654 | struct drm_property *suggested_y_property; | |
1655 | ||
019d96cb DA |
1656 | /* dumb ioctl parameters */ |
1657 | uint32_t preferred_depth, prefer_shadow; | |
62f2104f KP |
1658 | |
1659 | /* whether async page flip is supported or not */ | |
1660 | bool async_page_flip; | |
8716ed4e | 1661 | |
e3eb3250 RC |
1662 | /* whether the driver supports fb modifiers */ |
1663 | bool allow_fb_modifiers; | |
1664 | ||
8716ed4e AD |
1665 | /* cursor size */ |
1666 | uint32_t cursor_width, cursor_height; | |
f453ba04 DA |
1667 | }; |
1668 | ||
dd275956 RC |
1669 | /** |
1670 | * drm_for_each_plane_mask - iterate over planes specified by bitmask | |
1671 | * @plane: the loop cursor | |
1672 | * @dev: the DRM device | |
1673 | * @plane_mask: bitmask of plane indices | |
1674 | * | |
1675 | * Iterate over all planes specified by bitmask. | |
1676 | */ | |
1677 | #define drm_for_each_plane_mask(plane, dev, plane_mask) \ | |
1678 | list_for_each_entry((plane), &(dev)->mode_config.plane_list, head) \ | |
373701b1 | 1679 | for_each_if ((plane_mask) & (1 << drm_plane_index(plane))) |
dd275956 RC |
1680 | |
1681 | ||
f453ba04 DA |
1682 | #define obj_to_crtc(x) container_of(x, struct drm_crtc, base) |
1683 | #define obj_to_connector(x) container_of(x, struct drm_connector, base) | |
1684 | #define obj_to_encoder(x) container_of(x, struct drm_encoder, base) | |
1685 | #define obj_to_mode(x) container_of(x, struct drm_display_mode, base) | |
1686 | #define obj_to_fb(x) container_of(x, struct drm_framebuffer, base) | |
1687 | #define obj_to_property(x) container_of(x, struct drm_property, base) | |
1688 | #define obj_to_blob(x) container_of(x, struct drm_property_blob, base) | |
8cf5c917 | 1689 | #define obj_to_plane(x) container_of(x, struct drm_plane, base) |
f453ba04 | 1690 | |
4a67d391 SH |
1691 | struct drm_prop_enum_list { |
1692 | int type; | |
1693 | char *name; | |
1694 | }; | |
f453ba04 | 1695 | |
e13161af MR |
1696 | extern int drm_crtc_init_with_planes(struct drm_device *dev, |
1697 | struct drm_crtc *crtc, | |
1698 | struct drm_plane *primary, | |
fc1d3e44 | 1699 | struct drm_plane *cursor, |
e13161af | 1700 | const struct drm_crtc_funcs *funcs); |
f453ba04 | 1701 | extern void drm_crtc_cleanup(struct drm_crtc *crtc); |
db5f7a6e RK |
1702 | extern unsigned int drm_crtc_index(struct drm_crtc *crtc); |
1703 | ||
1704 | /** | |
1705 | * drm_crtc_mask - find the mask of a registered CRTC | |
1706 | * @crtc: CRTC to find mask for | |
1707 | * | |
1708 | * Given a registered CRTC, return the mask bit of that CRTC for an | |
1709 | * encoder's possible_crtcs field. | |
1710 | */ | |
1711 | static inline uint32_t drm_crtc_mask(struct drm_crtc *crtc) | |
1712 | { | |
1713 | return 1 << drm_crtc_index(crtc); | |
1714 | } | |
f453ba04 | 1715 | |
b21e3afe IM |
1716 | extern void drm_connector_ida_init(void); |
1717 | extern void drm_connector_ida_destroy(void); | |
6bfc56aa VS |
1718 | extern int drm_connector_init(struct drm_device *dev, |
1719 | struct drm_connector *connector, | |
1720 | const struct drm_connector_funcs *funcs, | |
1721 | int connector_type); | |
34ea3d38 TW |
1722 | int drm_connector_register(struct drm_connector *connector); |
1723 | void drm_connector_unregister(struct drm_connector *connector); | |
f453ba04 DA |
1724 | |
1725 | extern void drm_connector_cleanup(struct drm_connector *connector); | |
10f637bf | 1726 | extern unsigned int drm_connector_index(struct drm_connector *connector); |
cbc7e221 DA |
1727 | /* helper to unplug all connectors from sysfs for device */ |
1728 | extern void drm_connector_unplug_all(struct drm_device *dev); | |
f453ba04 | 1729 | |
3d3f8b1f AK |
1730 | extern int drm_bridge_add(struct drm_bridge *bridge); |
1731 | extern void drm_bridge_remove(struct drm_bridge *bridge); | |
1732 | extern struct drm_bridge *of_drm_find_bridge(struct device_node *np); | |
1733 | extern int drm_bridge_attach(struct drm_device *dev, struct drm_bridge *bridge); | |
3b336ec4 | 1734 | |
862e686c AT |
1735 | bool drm_bridge_mode_fixup(struct drm_bridge *bridge, |
1736 | const struct drm_display_mode *mode, | |
1737 | struct drm_display_mode *adjusted_mode); | |
1738 | void drm_bridge_disable(struct drm_bridge *bridge); | |
1739 | void drm_bridge_post_disable(struct drm_bridge *bridge); | |
1740 | void drm_bridge_mode_set(struct drm_bridge *bridge, | |
1741 | struct drm_display_mode *mode, | |
1742 | struct drm_display_mode *adjusted_mode); | |
1743 | void drm_bridge_pre_enable(struct drm_bridge *bridge); | |
1744 | void drm_bridge_enable(struct drm_bridge *bridge); | |
1745 | ||
6bfc56aa VS |
1746 | extern int drm_encoder_init(struct drm_device *dev, |
1747 | struct drm_encoder *encoder, | |
1748 | const struct drm_encoder_funcs *funcs, | |
1749 | int encoder_type); | |
f453ba04 | 1750 | |
3d887368 TR |
1751 | /** |
1752 | * drm_encoder_crtc_ok - can a given crtc drive a given encoder? | |
1753 | * @encoder: encoder to test | |
1754 | * @crtc: crtc to test | |
1755 | * | |
1756 | * Return false if @encoder can't be driven by @crtc, true otherwise. | |
1757 | */ | |
1758 | static inline bool drm_encoder_crtc_ok(struct drm_encoder *encoder, | |
1759 | struct drm_crtc *crtc) | |
1760 | { | |
1761 | return !!(encoder->possible_crtcs & drm_crtc_mask(crtc)); | |
1762 | } | |
1763 | ||
dc415ff9 MR |
1764 | extern int drm_universal_plane_init(struct drm_device *dev, |
1765 | struct drm_plane *plane, | |
1766 | unsigned long possible_crtcs, | |
1767 | const struct drm_plane_funcs *funcs, | |
1768 | const uint32_t *formats, | |
45e3743a | 1769 | unsigned int format_count, |
dc415ff9 | 1770 | enum drm_plane_type type); |
8cf5c917 JB |
1771 | extern int drm_plane_init(struct drm_device *dev, |
1772 | struct drm_plane *plane, | |
1773 | unsigned long possible_crtcs, | |
1774 | const struct drm_plane_funcs *funcs, | |
45e3743a | 1775 | const uint32_t *formats, unsigned int format_count, |
dc415ff9 | 1776 | bool is_primary); |
8cf5c917 | 1777 | extern void drm_plane_cleanup(struct drm_plane *plane); |
10f637bf | 1778 | extern unsigned int drm_plane_index(struct drm_plane *plane); |
f81338a5 | 1779 | extern struct drm_plane * drm_plane_from_index(struct drm_device *dev, int idx); |
9125e618 | 1780 | extern void drm_plane_force_disable(struct drm_plane *plane); |
ead8610d LP |
1781 | extern int drm_plane_check_pixel_format(const struct drm_plane *plane, |
1782 | u32 format); | |
ecb7e16b GP |
1783 | extern void drm_crtc_get_hv_timing(const struct drm_display_mode *mode, |
1784 | int *hdisplay, int *vdisplay); | |
af93629d MR |
1785 | extern int drm_crtc_check_viewport(const struct drm_crtc *crtc, |
1786 | int x, int y, | |
1787 | const struct drm_display_mode *mode, | |
1788 | const struct drm_framebuffer *fb); | |
8cf5c917 | 1789 | |
f453ba04 DA |
1790 | extern void drm_encoder_cleanup(struct drm_encoder *encoder); |
1791 | ||
d20d3174 | 1792 | extern const char *drm_get_connector_status_name(enum drm_connector_status status); |
ac1bb36c | 1793 | extern const char *drm_get_subpixel_order_name(enum subpixel_order order); |
d20d3174 VS |
1794 | extern const char *drm_get_dpms_name(int val); |
1795 | extern const char *drm_get_dvi_i_subconnector_name(int val); | |
1796 | extern const char *drm_get_dvi_i_select_name(int val); | |
1797 | extern const char *drm_get_tv_subconnector_name(int val); | |
1798 | extern const char *drm_get_tv_select_name(int val); | |
ea39f835 | 1799 | extern void drm_fb_release(struct drm_file *file_priv); |
e2f5d2ea DS |
1800 | extern void drm_property_destroy_user_blobs(struct drm_device *dev, |
1801 | struct drm_file *file_priv); | |
fbff4690 | 1802 | extern bool drm_probe_ddc(struct i2c_adapter *adapter); |
f453ba04 DA |
1803 | extern struct edid *drm_get_edid(struct drm_connector *connector, |
1804 | struct i2c_adapter *adapter); | |
51f8da59 | 1805 | extern struct edid *drm_edid_duplicate(const struct edid *edid); |
f453ba04 | 1806 | extern int drm_add_edid_modes(struct drm_connector *connector, struct edid *edid); |
f453ba04 | 1807 | extern void drm_mode_config_init(struct drm_device *dev); |
eb033556 | 1808 | extern void drm_mode_config_reset(struct drm_device *dev); |
f453ba04 | 1809 | extern void drm_mode_config_cleanup(struct drm_device *dev); |
55310008 | 1810 | |
43aba7eb | 1811 | extern int drm_mode_connector_set_path_property(struct drm_connector *connector, |
12e6cecd | 1812 | const char *path); |
6f134d7b | 1813 | int drm_mode_connector_set_tile_property(struct drm_connector *connector); |
f453ba04 | 1814 | extern int drm_mode_connector_update_edid_property(struct drm_connector *connector, |
12e6cecd | 1815 | const struct edid *edid); |
5ea22f24 | 1816 | |
b5571e9d BB |
1817 | extern int drm_display_info_set_bus_formats(struct drm_display_info *info, |
1818 | const u32 *formats, | |
1819 | unsigned int num_formats); | |
1820 | ||
5ea22f24 RC |
1821 | static inline bool drm_property_type_is(struct drm_property *property, |
1822 | uint32_t type) | |
1823 | { | |
1824 | /* instanceof for props.. handles extended type vs original types: */ | |
1825 | if (property->flags & DRM_MODE_PROP_EXTENDED_TYPE) | |
1826 | return (property->flags & DRM_MODE_PROP_EXTENDED_TYPE) == type; | |
1827 | return property->flags & type; | |
1828 | } | |
1829 | ||
1830 | static inline bool drm_property_type_valid(struct drm_property *property) | |
1831 | { | |
1832 | if (property->flags & DRM_MODE_PROP_EXTENDED_TYPE) | |
1833 | return !(property->flags & DRM_MODE_PROP_LEGACY_TYPE); | |
1834 | return !!(property->flags & DRM_MODE_PROP_LEGACY_TYPE); | |
1835 | } | |
1836 | ||
c543188a PZ |
1837 | extern int drm_object_property_set_value(struct drm_mode_object *obj, |
1838 | struct drm_property *property, | |
1839 | uint64_t val); | |
1840 | extern int drm_object_property_get_value(struct drm_mode_object *obj, | |
1841 | struct drm_property *property, | |
1842 | uint64_t *value); | |
f453ba04 DA |
1843 | extern int drm_framebuffer_init(struct drm_device *dev, |
1844 | struct drm_framebuffer *fb, | |
1845 | const struct drm_framebuffer_funcs *funcs); | |
786b99ed DV |
1846 | extern struct drm_framebuffer *drm_framebuffer_lookup(struct drm_device *dev, |
1847 | uint32_t id); | |
f7eff60e RC |
1848 | extern void drm_framebuffer_unreference(struct drm_framebuffer *fb); |
1849 | extern void drm_framebuffer_reference(struct drm_framebuffer *fb); | |
1850 | extern void drm_framebuffer_remove(struct drm_framebuffer *fb); | |
f453ba04 | 1851 | extern void drm_framebuffer_cleanup(struct drm_framebuffer *fb); |
36206361 | 1852 | extern void drm_framebuffer_unregister_private(struct drm_framebuffer *fb); |
f453ba04 | 1853 | |
c543188a PZ |
1854 | extern void drm_object_attach_property(struct drm_mode_object *obj, |
1855 | struct drm_property *property, | |
1856 | uint64_t init_val); | |
f453ba04 DA |
1857 | extern struct drm_property *drm_property_create(struct drm_device *dev, int flags, |
1858 | const char *name, int num_values); | |
4a67d391 SH |
1859 | extern struct drm_property *drm_property_create_enum(struct drm_device *dev, int flags, |
1860 | const char *name, | |
49e27545 RC |
1861 | const struct drm_prop_enum_list *props, |
1862 | int num_values); | |
1863 | struct drm_property *drm_property_create_bitmask(struct drm_device *dev, | |
1864 | int flags, const char *name, | |
4a67d391 | 1865 | const struct drm_prop_enum_list *props, |
7689ffb3 VS |
1866 | int num_props, |
1867 | uint64_t supported_bits); | |
d9bc3c02 SH |
1868 | struct drm_property *drm_property_create_range(struct drm_device *dev, int flags, |
1869 | const char *name, | |
1870 | uint64_t min, uint64_t max); | |
ebc44cf3 RC |
1871 | struct drm_property *drm_property_create_signed_range(struct drm_device *dev, |
1872 | int flags, const char *name, | |
1873 | int64_t min, int64_t max); | |
98f75de4 RC |
1874 | struct drm_property *drm_property_create_object(struct drm_device *dev, |
1875 | int flags, const char *name, uint32_t type); | |
960cd9d4 DV |
1876 | struct drm_property *drm_property_create_bool(struct drm_device *dev, int flags, |
1877 | const char *name); | |
6bcacf51 DS |
1878 | struct drm_property_blob *drm_property_create_blob(struct drm_device *dev, |
1879 | size_t length, | |
1880 | const void *data); | |
1881 | struct drm_property_blob *drm_property_lookup_blob(struct drm_device *dev, | |
1882 | uint32_t id); | |
1883 | struct drm_property_blob *drm_property_reference_blob(struct drm_property_blob *blob); | |
1884 | void drm_property_unreference_blob(struct drm_property_blob *blob); | |
f453ba04 DA |
1885 | extern void drm_property_destroy(struct drm_device *dev, struct drm_property *property); |
1886 | extern int drm_property_add_enum(struct drm_property *property, int index, | |
1887 | uint64_t value, const char *name); | |
1888 | extern int drm_mode_create_dvi_i_properties(struct drm_device *dev); | |
2f763312 TR |
1889 | extern int drm_mode_create_tv_properties(struct drm_device *dev, |
1890 | unsigned int num_modes, | |
b7c914b3 | 1891 | const char * const modes[]); |
f453ba04 | 1892 | extern int drm_mode_create_scaling_mode_property(struct drm_device *dev); |
ff587e45 | 1893 | extern int drm_mode_create_aspect_ratio_property(struct drm_device *dev); |
884840aa | 1894 | extern int drm_mode_create_dirty_info_property(struct drm_device *dev); |
5bb2bbf5 | 1895 | extern int drm_mode_create_suggested_offset_properties(struct drm_device *dev); |
d34f20d6 RC |
1896 | extern bool drm_property_change_valid_get(struct drm_property *property, |
1897 | uint64_t value, struct drm_mode_object **ref); | |
1898 | extern void drm_property_change_valid_put(struct drm_property *property, | |
1899 | struct drm_mode_object *ref); | |
f453ba04 DA |
1900 | |
1901 | extern int drm_mode_connector_attach_encoder(struct drm_connector *connector, | |
1902 | struct drm_encoder *encoder); | |
4cae5b84 | 1903 | extern int drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc, |
f453ba04 | 1904 | int gamma_size); |
7a9c9060 DV |
1905 | extern struct drm_mode_object *drm_mode_object_find(struct drm_device *dev, |
1906 | uint32_t id, uint32_t type); | |
98f75de4 | 1907 | |
f453ba04 DA |
1908 | /* IOCTLs */ |
1909 | extern int drm_mode_getresources(struct drm_device *dev, | |
1910 | void *data, struct drm_file *file_priv); | |
8cf5c917 JB |
1911 | extern int drm_mode_getplane_res(struct drm_device *dev, void *data, |
1912 | struct drm_file *file_priv); | |
f453ba04 DA |
1913 | extern int drm_mode_getcrtc(struct drm_device *dev, |
1914 | void *data, struct drm_file *file_priv); | |
1915 | extern int drm_mode_getconnector(struct drm_device *dev, | |
1916 | void *data, struct drm_file *file_priv); | |
2d13b679 | 1917 | extern int drm_mode_set_config_internal(struct drm_mode_set *set); |
f453ba04 DA |
1918 | extern int drm_mode_setcrtc(struct drm_device *dev, |
1919 | void *data, struct drm_file *file_priv); | |
8cf5c917 JB |
1920 | extern int drm_mode_getplane(struct drm_device *dev, |
1921 | void *data, struct drm_file *file_priv); | |
1922 | extern int drm_mode_setplane(struct drm_device *dev, | |
1923 | void *data, struct drm_file *file_priv); | |
f453ba04 DA |
1924 | extern int drm_mode_cursor_ioctl(struct drm_device *dev, |
1925 | void *data, struct drm_file *file_priv); | |
4c813d4d DA |
1926 | extern int drm_mode_cursor2_ioctl(struct drm_device *dev, |
1927 | void *data, struct drm_file *file_priv); | |
f453ba04 DA |
1928 | extern int drm_mode_addfb(struct drm_device *dev, |
1929 | void *data, struct drm_file *file_priv); | |
308e5bcb JB |
1930 | extern int drm_mode_addfb2(struct drm_device *dev, |
1931 | void *data, struct drm_file *file_priv); | |
1932 | extern uint32_t drm_mode_legacy_fb_format(uint32_t bpp, uint32_t depth); | |
f453ba04 DA |
1933 | extern int drm_mode_rmfb(struct drm_device *dev, |
1934 | void *data, struct drm_file *file_priv); | |
1935 | extern int drm_mode_getfb(struct drm_device *dev, | |
1936 | void *data, struct drm_file *file_priv); | |
884840aa JB |
1937 | extern int drm_mode_dirtyfb_ioctl(struct drm_device *dev, |
1938 | void *data, struct drm_file *file_priv); | |
f453ba04 DA |
1939 | |
1940 | extern int drm_mode_getproperty_ioctl(struct drm_device *dev, | |
1941 | void *data, struct drm_file *file_priv); | |
1942 | extern int drm_mode_getblob_ioctl(struct drm_device *dev, | |
1943 | void *data, struct drm_file *file_priv); | |
e2f5d2ea DS |
1944 | extern int drm_mode_createblob_ioctl(struct drm_device *dev, |
1945 | void *data, struct drm_file *file_priv); | |
1946 | extern int drm_mode_destroyblob_ioctl(struct drm_device *dev, | |
1947 | void *data, struct drm_file *file_priv); | |
f453ba04 DA |
1948 | extern int drm_mode_connector_property_set_ioctl(struct drm_device *dev, |
1949 | void *data, struct drm_file *file_priv); | |
f453ba04 DA |
1950 | extern int drm_mode_getencoder(struct drm_device *dev, |
1951 | void *data, struct drm_file *file_priv); | |
1952 | extern int drm_mode_gamma_get_ioctl(struct drm_device *dev, | |
1953 | void *data, struct drm_file *file_priv); | |
1954 | extern int drm_mode_gamma_set_ioctl(struct drm_device *dev, | |
1955 | void *data, struct drm_file *file_priv); | |
18316c8c | 1956 | extern u8 drm_match_cea_mode(const struct drm_display_mode *to_match); |
0967e6a5 | 1957 | extern enum hdmi_picture_aspect drm_get_cea_aspect_ratio(const u8 video_code); |
f23c20c8 | 1958 | extern bool drm_detect_hdmi_monitor(struct edid *edid); |
8fe9790d | 1959 | extern bool drm_detect_monitor_audio(struct edid *edid); |
b1edd6a6 | 1960 | extern bool drm_rgb_quant_range_selectable(struct edid *edid); |
d91d8a3f KH |
1961 | extern int drm_mode_page_flip_ioctl(struct drm_device *dev, |
1962 | void *data, struct drm_file *file_priv); | |
f0fda0a4 ZY |
1963 | extern int drm_add_modes_noedid(struct drm_connector *connector, |
1964 | int hdisplay, int vdisplay); | |
3cf70daf GH |
1965 | extern void drm_set_preferred_mode(struct drm_connector *connector, |
1966 | int hpref, int vpref); | |
3c537889 | 1967 | |
051963d4 | 1968 | extern int drm_edid_header_is_valid(const u8 *raw_edid); |
6ba2bd3d TP |
1969 | extern bool drm_edid_block_valid(u8 *raw_edid, int block, bool print_bad_edid, |
1970 | bool *edid_corrupt); | |
3c537889 | 1971 | extern bool drm_edid_is_valid(struct edid *edid); |
138f9ebb DA |
1972 | |
1973 | extern struct drm_tile_group *drm_mode_create_tile_group(struct drm_device *dev, | |
1974 | char topology[8]); | |
1975 | extern struct drm_tile_group *drm_mode_get_tile_group(struct drm_device *dev, | |
1976 | char topology[8]); | |
1977 | extern void drm_mode_put_tile_group(struct drm_device *dev, | |
1978 | struct drm_tile_group *tg); | |
1d42bbc8 | 1979 | struct drm_display_mode *drm_mode_find_dmt(struct drm_device *dev, |
f6e252ba AJ |
1980 | int hsize, int vsize, int fresh, |
1981 | bool rb); | |
ff72145b DA |
1982 | |
1983 | extern int drm_mode_create_dumb_ioctl(struct drm_device *dev, | |
1984 | void *data, struct drm_file *file_priv); | |
1985 | extern int drm_mode_mmap_dumb_ioctl(struct drm_device *dev, | |
1986 | void *data, struct drm_file *file_priv); | |
1987 | extern int drm_mode_destroy_dumb_ioctl(struct drm_device *dev, | |
1988 | void *data, struct drm_file *file_priv); | |
c543188a PZ |
1989 | extern int drm_mode_obj_get_properties_ioctl(struct drm_device *dev, void *data, |
1990 | struct drm_file *file_priv); | |
1991 | extern int drm_mode_obj_set_property_ioctl(struct drm_device *dev, void *data, | |
1992 | struct drm_file *file_priv); | |
3a5f87c2 TW |
1993 | extern int drm_mode_plane_set_obj_prop(struct drm_plane *plane, |
1994 | struct drm_property *property, | |
1995 | uint64_t value); | |
d34f20d6 RC |
1996 | extern int drm_mode_atomic_ioctl(struct drm_device *dev, |
1997 | void *data, struct drm_file *file_priv); | |
248dbc23 DA |
1998 | |
1999 | extern void drm_fb_get_bpp_depth(uint32_t format, unsigned int *depth, | |
2000 | int *bpp); | |
141670e9 | 2001 | extern int drm_format_num_planes(uint32_t format); |
5a86bd55 | 2002 | extern int drm_format_plane_cpp(uint32_t format, int plane); |
01b68b04 VS |
2003 | extern int drm_format_horz_chroma_subsampling(uint32_t format); |
2004 | extern int drm_format_vert_chroma_subsampling(uint32_t format); | |
d20d3174 | 2005 | extern const char *drm_get_format_name(uint32_t format); |
c1df5f3c VS |
2006 | extern struct drm_property *drm_mode_create_rotation_property(struct drm_device *dev, |
2007 | unsigned int supported_rotations); | |
3c9855f6 VS |
2008 | extern unsigned int drm_rotation_simplify(unsigned int rotation, |
2009 | unsigned int supported_rotations); | |
141670e9 | 2010 | |
96f60e37 | 2011 | /* Helpers */ |
a2b34e22 RC |
2012 | |
2013 | static inline struct drm_plane *drm_plane_find(struct drm_device *dev, | |
2014 | uint32_t id) | |
2015 | { | |
2016 | struct drm_mode_object *mo; | |
2017 | mo = drm_mode_object_find(dev, id, DRM_MODE_OBJECT_PLANE); | |
2018 | return mo ? obj_to_plane(mo) : NULL; | |
2019 | } | |
2020 | ||
96f60e37 RK |
2021 | static inline struct drm_crtc *drm_crtc_find(struct drm_device *dev, |
2022 | uint32_t id) | |
2023 | { | |
2024 | struct drm_mode_object *mo; | |
2025 | mo = drm_mode_object_find(dev, id, DRM_MODE_OBJECT_CRTC); | |
2026 | return mo ? obj_to_crtc(mo) : NULL; | |
2027 | } | |
2028 | ||
2029 | static inline struct drm_encoder *drm_encoder_find(struct drm_device *dev, | |
2030 | uint32_t id) | |
2031 | { | |
2032 | struct drm_mode_object *mo; | |
2033 | mo = drm_mode_object_find(dev, id, DRM_MODE_OBJECT_ENCODER); | |
2034 | return mo ? obj_to_encoder(mo) : NULL; | |
2035 | } | |
2036 | ||
a2b34e22 RC |
2037 | static inline struct drm_connector *drm_connector_find(struct drm_device *dev, |
2038 | uint32_t id) | |
2039 | { | |
2040 | struct drm_mode_object *mo; | |
2041 | mo = drm_mode_object_find(dev, id, DRM_MODE_OBJECT_CONNECTOR); | |
2042 | return mo ? obj_to_connector(mo) : NULL; | |
2043 | } | |
2044 | ||
2045 | static inline struct drm_property *drm_property_find(struct drm_device *dev, | |
2046 | uint32_t id) | |
2047 | { | |
2048 | struct drm_mode_object *mo; | |
2049 | mo = drm_mode_object_find(dev, id, DRM_MODE_OBJECT_PROPERTY); | |
2050 | return mo ? obj_to_property(mo) : NULL; | |
2051 | } | |
2052 | ||
e27dde3e | 2053 | /* Plane list iterator for legacy (overlay only) planes. */ |
4ea50e99 DV |
2054 | #define drm_for_each_legacy_plane(plane, dev) \ |
2055 | list_for_each_entry(plane, &(dev)->mode_config.plane_list, head) \ | |
373701b1 | 2056 | for_each_if (plane->type == DRM_PLANE_TYPE_OVERLAY) |
e27dde3e | 2057 | |
6295d607 DV |
2058 | #define drm_for_each_plane(plane, dev) \ |
2059 | list_for_each_entry(plane, &(dev)->mode_config.plane_list, head) | |
2060 | ||
2061 | #define drm_for_each_crtc(crtc, dev) \ | |
2062 | list_for_each_entry(crtc, &(dev)->mode_config.crtc_list, head) | |
2063 | ||
7a3f3d66 DV |
2064 | static inline void |
2065 | assert_drm_connector_list_read_locked(struct drm_mode_config *mode_config) | |
2066 | { | |
cff20ba2 DV |
2067 | /* |
2068 | * The connector hotadd/remove code currently grabs both locks when | |
2069 | * updating lists. Hence readers need only hold either of them to be | |
2070 | * safe and the check amounts to | |
2071 | * | |
2072 | * WARN_ON(not_holding(A) && not_holding(B)). | |
2073 | */ | |
2074 | WARN_ON(!mutex_is_locked(&mode_config->mutex) && | |
2075 | !drm_modeset_is_locked(&mode_config->connection_mutex)); | |
7a3f3d66 DV |
2076 | } |
2077 | ||
6295d607 | 2078 | #define drm_for_each_connector(connector, dev) \ |
7a3f3d66 DV |
2079 | for (assert_drm_connector_list_read_locked(&(dev)->mode_config), \ |
2080 | connector = list_first_entry(&(dev)->mode_config.connector_list, \ | |
2081 | struct drm_connector, head); \ | |
2082 | &connector->head != (&(dev)->mode_config.connector_list); \ | |
2083 | connector = list_next_entry(connector, head)) | |
6295d607 DV |
2084 | |
2085 | #define drm_for_each_encoder(encoder, dev) \ | |
2086 | list_for_each_entry(encoder, &(dev)->mode_config.encoder_list, head) | |
2087 | ||
2088 | #define drm_for_each_fb(fb, dev) \ | |
4676ba0b DV |
2089 | for (WARN_ON(!mutex_is_locked(&(dev)->mode_config.fb_lock)), \ |
2090 | fb = list_first_entry(&(dev)->mode_config.fb_list, \ | |
2091 | struct drm_framebuffer, head); \ | |
2092 | &fb->head != (&(dev)->mode_config.fb_list); \ | |
2093 | fb = list_next_entry(fb, head)) | |
6295d607 | 2094 | |
f453ba04 | 2095 | #endif /* __DRM_CRTC_H__ */ |