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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> | |
32 | ||
33 | #include <linux/fb.h> | |
34 | ||
35 | struct drm_device; | |
36 | struct drm_mode_set; | |
37 | struct drm_framebuffer; | |
38 | ||
39 | ||
40 | #define DRM_MODE_OBJECT_CRTC 0xcccccccc | |
41 | #define DRM_MODE_OBJECT_CONNECTOR 0xc0c0c0c0 | |
42 | #define DRM_MODE_OBJECT_ENCODER 0xe0e0e0e0 | |
43 | #define DRM_MODE_OBJECT_MODE 0xdededede | |
44 | #define DRM_MODE_OBJECT_PROPERTY 0xb0b0b0b0 | |
45 | #define DRM_MODE_OBJECT_FB 0xfbfbfbfb | |
46 | #define DRM_MODE_OBJECT_BLOB 0xbbbbbbbb | |
47 | ||
48 | struct drm_mode_object { | |
49 | uint32_t id; | |
50 | uint32_t type; | |
51 | }; | |
52 | ||
53 | /* | |
54 | * Note on terminology: here, for brevity and convenience, we refer to connector | |
55 | * control chips as 'CRTCs'. They can control any type of connector, VGA, LVDS, | |
56 | * DVI, etc. And 'screen' refers to the whole of the visible display, which | |
57 | * may span multiple monitors (and therefore multiple CRTC and connector | |
58 | * structures). | |
59 | */ | |
60 | ||
61 | enum drm_mode_status { | |
62 | MODE_OK = 0, /* Mode OK */ | |
63 | MODE_HSYNC, /* hsync out of range */ | |
64 | MODE_VSYNC, /* vsync out of range */ | |
65 | MODE_H_ILLEGAL, /* mode has illegal horizontal timings */ | |
66 | MODE_V_ILLEGAL, /* mode has illegal horizontal timings */ | |
67 | MODE_BAD_WIDTH, /* requires an unsupported linepitch */ | |
68 | MODE_NOMODE, /* no mode with a maching name */ | |
69 | MODE_NO_INTERLACE, /* interlaced mode not supported */ | |
70 | MODE_NO_DBLESCAN, /* doublescan mode not supported */ | |
71 | MODE_NO_VSCAN, /* multiscan mode not supported */ | |
72 | MODE_MEM, /* insufficient video memory */ | |
73 | MODE_VIRTUAL_X, /* mode width too large for specified virtual size */ | |
74 | MODE_VIRTUAL_Y, /* mode height too large for specified virtual size */ | |
75 | MODE_MEM_VIRT, /* insufficient video memory given virtual size */ | |
76 | MODE_NOCLOCK, /* no fixed clock available */ | |
77 | MODE_CLOCK_HIGH, /* clock required is too high */ | |
78 | MODE_CLOCK_LOW, /* clock required is too low */ | |
79 | MODE_CLOCK_RANGE, /* clock/mode isn't in a ClockRange */ | |
80 | MODE_BAD_HVALUE, /* horizontal timing was out of range */ | |
81 | MODE_BAD_VVALUE, /* vertical timing was out of range */ | |
82 | MODE_BAD_VSCAN, /* VScan value out of range */ | |
83 | MODE_HSYNC_NARROW, /* horizontal sync too narrow */ | |
84 | MODE_HSYNC_WIDE, /* horizontal sync too wide */ | |
85 | MODE_HBLANK_NARROW, /* horizontal blanking too narrow */ | |
86 | MODE_HBLANK_WIDE, /* horizontal blanking too wide */ | |
87 | MODE_VSYNC_NARROW, /* vertical sync too narrow */ | |
88 | MODE_VSYNC_WIDE, /* vertical sync too wide */ | |
89 | MODE_VBLANK_NARROW, /* vertical blanking too narrow */ | |
90 | MODE_VBLANK_WIDE, /* vertical blanking too wide */ | |
91 | MODE_PANEL, /* exceeds panel dimensions */ | |
92 | MODE_INTERLACE_WIDTH, /* width too large for interlaced mode */ | |
93 | MODE_ONE_WIDTH, /* only one width is supported */ | |
94 | MODE_ONE_HEIGHT, /* only one height is supported */ | |
95 | MODE_ONE_SIZE, /* only one resolution is supported */ | |
96 | MODE_NO_REDUCED, /* monitor doesn't accept reduced blanking */ | |
97 | MODE_UNVERIFIED = -3, /* mode needs to reverified */ | |
98 | MODE_BAD = -2, /* unspecified reason */ | |
99 | MODE_ERROR = -1 /* error condition */ | |
100 | }; | |
101 | ||
102 | #define DRM_MODE_TYPE_CLOCK_CRTC_C (DRM_MODE_TYPE_CLOCK_C | \ | |
103 | DRM_MODE_TYPE_CRTC_C) | |
104 | ||
105 | #define DRM_MODE(nm, t, c, hd, hss, hse, ht, hsk, vd, vss, vse, vt, vs, f) \ | |
106 | .name = nm, .status = 0, .type = (t), .clock = (c), \ | |
107 | .hdisplay = (hd), .hsync_start = (hss), .hsync_end = (hse), \ | |
108 | .htotal = (ht), .hskew = (hsk), .vdisplay = (vd), \ | |
109 | .vsync_start = (vss), .vsync_end = (vse), .vtotal = (vt), \ | |
110 | .vscan = (vs), .flags = (f), .vrefresh = 0 | |
111 | ||
112 | #define CRTC_INTERLACE_HALVE_V 0x1 /* halve V values for interlacing */ | |
113 | ||
114 | struct drm_display_mode { | |
115 | /* Header */ | |
116 | struct list_head head; | |
117 | struct drm_mode_object base; | |
118 | ||
119 | char name[DRM_DISPLAY_MODE_LEN]; | |
120 | ||
121 | int connector_count; | |
122 | enum drm_mode_status status; | |
123 | int type; | |
124 | ||
125 | /* Proposed mode values */ | |
7ac96a9c | 126 | int clock; /* in kHz */ |
f453ba04 DA |
127 | int hdisplay; |
128 | int hsync_start; | |
129 | int hsync_end; | |
130 | int htotal; | |
131 | int hskew; | |
132 | int vdisplay; | |
133 | int vsync_start; | |
134 | int vsync_end; | |
135 | int vtotal; | |
136 | int vscan; | |
137 | unsigned int flags; | |
138 | ||
139 | /* Addressable image size (may be 0 for projectors, etc.) */ | |
140 | int width_mm; | |
141 | int height_mm; | |
142 | ||
143 | /* Actual mode we give to hw */ | |
144 | int clock_index; | |
145 | int synth_clock; | |
146 | int crtc_hdisplay; | |
147 | int crtc_hblank_start; | |
148 | int crtc_hblank_end; | |
149 | int crtc_hsync_start; | |
150 | int crtc_hsync_end; | |
151 | int crtc_htotal; | |
152 | int crtc_hskew; | |
153 | int crtc_vdisplay; | |
154 | int crtc_vblank_start; | |
155 | int crtc_vblank_end; | |
156 | int crtc_vsync_start; | |
157 | int crtc_vsync_end; | |
158 | int crtc_vtotal; | |
159 | int crtc_hadjusted; | |
160 | int crtc_vadjusted; | |
161 | ||
162 | /* Driver private mode info */ | |
163 | int private_size; | |
164 | int *private; | |
165 | int private_flags; | |
166 | ||
7ac96a9c AJ |
167 | int vrefresh; /* in Hz */ |
168 | int hsync; /* in kHz */ | |
f453ba04 DA |
169 | }; |
170 | ||
171 | enum drm_connector_status { | |
172 | connector_status_connected = 1, | |
173 | connector_status_disconnected = 2, | |
174 | connector_status_unknown = 3, | |
175 | }; | |
176 | ||
177 | enum subpixel_order { | |
178 | SubPixelUnknown = 0, | |
179 | SubPixelHorizontalRGB, | |
180 | SubPixelHorizontalBGR, | |
181 | SubPixelVerticalRGB, | |
182 | SubPixelVerticalBGR, | |
183 | SubPixelNone, | |
184 | }; | |
185 | ||
186 | ||
187 | /* | |
188 | * Describes a given display (e.g. CRT or flat panel) and its limitations. | |
189 | */ | |
190 | struct drm_display_info { | |
191 | char name[DRM_DISPLAY_INFO_LEN]; | |
fb439640 | 192 | |
f453ba04 DA |
193 | /* Physical size */ |
194 | unsigned int width_mm; | |
195 | unsigned int height_mm; | |
196 | ||
f453ba04 DA |
197 | /* Clock limits FIXME: storage format */ |
198 | unsigned int min_vfreq, max_vfreq; | |
199 | unsigned int min_hfreq, max_hfreq; | |
200 | unsigned int pixel_clock; | |
201 | ||
f453ba04 DA |
202 | enum subpixel_order subpixel_order; |
203 | ||
204 | char *raw_edid; /* if any */ | |
205 | }; | |
206 | ||
207 | struct drm_framebuffer_funcs { | |
208 | void (*destroy)(struct drm_framebuffer *framebuffer); | |
209 | int (*create_handle)(struct drm_framebuffer *fb, | |
210 | struct drm_file *file_priv, | |
211 | unsigned int *handle); | |
884840aa JB |
212 | /** |
213 | * Optinal callback for the dirty fb ioctl. | |
214 | * | |
215 | * Userspace can notify the driver via this callback | |
216 | * that a area of the framebuffer has changed and should | |
217 | * be flushed to the display hardware. | |
218 | * | |
219 | * See documentation in drm_mode.h for the struct | |
220 | * drm_mode_fb_dirty_cmd for more information as all | |
221 | * the semantics and arguments have a one to one mapping | |
222 | * on this function. | |
223 | */ | |
02b00162 TH |
224 | int (*dirty)(struct drm_framebuffer *framebuffer, |
225 | struct drm_file *file_priv, unsigned flags, | |
884840aa JB |
226 | unsigned color, struct drm_clip_rect *clips, |
227 | unsigned num_clips); | |
f453ba04 DA |
228 | }; |
229 | ||
230 | struct drm_framebuffer { | |
231 | struct drm_device *dev; | |
232 | struct list_head head; | |
233 | struct drm_mode_object base; | |
234 | const struct drm_framebuffer_funcs *funcs; | |
235 | unsigned int pitch; | |
236 | unsigned int width; | |
237 | unsigned int height; | |
238 | /* depth can be 15 or 16 */ | |
239 | unsigned int depth; | |
240 | int bits_per_pixel; | |
241 | int flags; | |
f453ba04 | 242 | struct list_head filp_head; |
785b93ef DA |
243 | /* if you are using the helper */ |
244 | void *helper_private; | |
f453ba04 DA |
245 | }; |
246 | ||
247 | struct drm_property_blob { | |
248 | struct drm_mode_object base; | |
249 | struct list_head head; | |
250 | unsigned int length; | |
251 | void *data; | |
252 | }; | |
253 | ||
254 | struct drm_property_enum { | |
255 | uint64_t value; | |
256 | struct list_head head; | |
257 | char name[DRM_PROP_NAME_LEN]; | |
258 | }; | |
259 | ||
260 | struct drm_property { | |
261 | struct list_head head; | |
262 | struct drm_mode_object base; | |
263 | uint32_t flags; | |
264 | char name[DRM_PROP_NAME_LEN]; | |
265 | uint32_t num_values; | |
266 | uint64_t *values; | |
267 | ||
268 | struct list_head enum_blob_list; | |
269 | }; | |
270 | ||
271 | struct drm_crtc; | |
272 | struct drm_connector; | |
273 | struct drm_encoder; | |
d91d8a3f | 274 | struct drm_pending_vblank_event; |
f453ba04 DA |
275 | |
276 | /** | |
277 | * drm_crtc_funcs - control CRTCs for a given device | |
278 | * @dpms: control display power levels | |
279 | * @save: save CRTC state | |
280 | * @resore: restore CRTC state | |
281 | * @lock: lock the CRTC | |
282 | * @unlock: unlock the CRTC | |
283 | * @shadow_allocate: allocate shadow pixmap | |
284 | * @shadow_create: create shadow pixmap for rotation support | |
285 | * @shadow_destroy: free shadow pixmap | |
286 | * @mode_fixup: fixup proposed mode | |
287 | * @mode_set: set the desired mode on the CRTC | |
288 | * @gamma_set: specify color ramp for CRTC | |
289 | * @destroy: deinit and free object. | |
290 | * | |
291 | * The drm_crtc_funcs structure is the central CRTC management structure | |
292 | * in the DRM. Each CRTC controls one or more connectors (note that the name | |
293 | * CRTC is simply historical, a CRTC may control LVDS, VGA, DVI, TV out, etc. | |
294 | * connectors, not just CRTs). | |
295 | * | |
296 | * Each driver is responsible for filling out this structure at startup time, | |
297 | * in addition to providing other modesetting features, like i2c and DDC | |
298 | * bus accessors. | |
299 | */ | |
300 | struct drm_crtc_funcs { | |
301 | /* Save CRTC state */ | |
302 | void (*save)(struct drm_crtc *crtc); /* suspend? */ | |
303 | /* Restore CRTC state */ | |
304 | void (*restore)(struct drm_crtc *crtc); /* resume? */ | |
305 | ||
306 | /* cursor controls */ | |
307 | int (*cursor_set)(struct drm_crtc *crtc, struct drm_file *file_priv, | |
308 | uint32_t handle, uint32_t width, uint32_t height); | |
309 | int (*cursor_move)(struct drm_crtc *crtc, int x, int y); | |
310 | ||
311 | /* Set gamma on the CRTC */ | |
312 | void (*gamma_set)(struct drm_crtc *crtc, u16 *r, u16 *g, u16 *b, | |
7203425a | 313 | uint32_t start, uint32_t size); |
f453ba04 DA |
314 | /* Object destroy routine */ |
315 | void (*destroy)(struct drm_crtc *crtc); | |
316 | ||
317 | int (*set_config)(struct drm_mode_set *set); | |
d91d8a3f KH |
318 | |
319 | /* | |
320 | * Flip to the given framebuffer. This implements the page | |
321 | * flip ioctl descibed in drm_mode.h, specifically, the | |
322 | * implementation must return immediately and block all | |
323 | * rendering to the current fb until the flip has completed. | |
324 | * If userspace set the event flag in the ioctl, the event | |
325 | * argument will point to an event to send back when the flip | |
326 | * completes, otherwise it will be NULL. | |
327 | */ | |
328 | int (*page_flip)(struct drm_crtc *crtc, | |
329 | struct drm_framebuffer *fb, | |
330 | struct drm_pending_vblank_event *event); | |
f453ba04 DA |
331 | }; |
332 | ||
333 | /** | |
334 | * drm_crtc - central CRTC control structure | |
335 | * @enabled: is this CRTC enabled? | |
336 | * @x: x position on screen | |
337 | * @y: y position on screen | |
f453ba04 DA |
338 | * @funcs: CRTC control functions |
339 | * | |
340 | * Each CRTC may have one or more connectors associated with it. This structure | |
341 | * allows the CRTC to be controlled. | |
342 | */ | |
343 | struct drm_crtc { | |
344 | struct drm_device *dev; | |
345 | struct list_head head; | |
346 | ||
347 | struct drm_mode_object base; | |
348 | ||
349 | /* framebuffer the connector is currently bound to */ | |
350 | struct drm_framebuffer *fb; | |
351 | ||
352 | bool enabled; | |
353 | ||
27641c3f | 354 | /* Requested mode from modesetting. */ |
f453ba04 DA |
355 | struct drm_display_mode mode; |
356 | ||
27641c3f MK |
357 | /* Programmed mode in hw, after adjustments for encoders, |
358 | * crtc, panel scaling etc. Needed for timestamping etc. | |
359 | */ | |
360 | struct drm_display_mode hwmode; | |
361 | ||
f453ba04 | 362 | int x, y; |
f453ba04 DA |
363 | const struct drm_crtc_funcs *funcs; |
364 | ||
365 | /* CRTC gamma size for reporting to userspace */ | |
366 | uint32_t gamma_size; | |
367 | uint16_t *gamma_store; | |
368 | ||
27641c3f MK |
369 | /* Constants needed for precise vblank and swap timestamping. */ |
370 | s64 framedur_ns, linedur_ns, pixeldur_ns; | |
371 | ||
f453ba04 DA |
372 | /* if you are using the helper */ |
373 | void *helper_private; | |
374 | }; | |
375 | ||
376 | ||
377 | /** | |
378 | * drm_connector_funcs - control connectors on a given device | |
379 | * @dpms: set power state (see drm_crtc_funcs above) | |
380 | * @save: save connector state | |
381 | * @restore: restore connector state | |
382 | * @mode_valid: is this mode valid on the given connector? | |
383 | * @mode_fixup: try to fixup proposed mode for this connector | |
384 | * @mode_set: set this mode | |
385 | * @detect: is this connector active? | |
386 | * @get_modes: get mode list for this connector | |
387 | * @set_property: property for this connector may need update | |
388 | * @destroy: make object go away | |
d50ba256 | 389 | * @force: notify the driver the connector is forced on |
f453ba04 DA |
390 | * |
391 | * Each CRTC may have one or more connectors attached to it. The functions | |
392 | * below allow the core DRM code to control connectors, enumerate available modes, | |
393 | * etc. | |
394 | */ | |
395 | struct drm_connector_funcs { | |
396 | void (*dpms)(struct drm_connector *connector, int mode); | |
397 | void (*save)(struct drm_connector *connector); | |
398 | void (*restore)(struct drm_connector *connector); | |
930a9e28 CW |
399 | |
400 | /* Check to see if anything is attached to the connector. | |
401 | * @force is set to false whilst polling, true when checking the | |
402 | * connector due to user request. @force can be used by the driver | |
403 | * to avoid expensive, destructive operations during automated | |
404 | * probing. | |
405 | */ | |
7b334fcb | 406 | enum drm_connector_status (*detect)(struct drm_connector *connector, |
930a9e28 | 407 | bool force); |
40a518d9 | 408 | int (*fill_modes)(struct drm_connector *connector, uint32_t max_width, uint32_t max_height); |
f453ba04 DA |
409 | int (*set_property)(struct drm_connector *connector, struct drm_property *property, |
410 | uint64_t val); | |
411 | void (*destroy)(struct drm_connector *connector); | |
d50ba256 | 412 | void (*force)(struct drm_connector *connector); |
f453ba04 DA |
413 | }; |
414 | ||
415 | struct drm_encoder_funcs { | |
416 | void (*destroy)(struct drm_encoder *encoder); | |
417 | }; | |
418 | ||
419 | #define DRM_CONNECTOR_MAX_UMODES 16 | |
420 | #define DRM_CONNECTOR_MAX_PROPERTY 16 | |
421 | #define DRM_CONNECTOR_LEN 32 | |
422 | #define DRM_CONNECTOR_MAX_ENCODER 2 | |
423 | ||
424 | /** | |
425 | * drm_encoder - central DRM encoder structure | |
426 | */ | |
427 | struct drm_encoder { | |
428 | struct drm_device *dev; | |
429 | struct list_head head; | |
430 | ||
431 | struct drm_mode_object base; | |
432 | int encoder_type; | |
433 | uint32_t possible_crtcs; | |
434 | uint32_t possible_clones; | |
435 | ||
436 | struct drm_crtc *crtc; | |
437 | const struct drm_encoder_funcs *funcs; | |
438 | void *helper_private; | |
439 | }; | |
440 | ||
d50ba256 DA |
441 | enum drm_connector_force { |
442 | DRM_FORCE_UNSPECIFIED, | |
443 | DRM_FORCE_OFF, | |
444 | DRM_FORCE_ON, /* force on analog part normally */ | |
445 | DRM_FORCE_ON_DIGITAL, /* for DVI-I use digital connector */ | |
446 | }; | |
447 | ||
eb1f8e4f DA |
448 | /* should we poll this connector for connects and disconnects */ |
449 | /* hot plug detectable */ | |
450 | #define DRM_CONNECTOR_POLL_HPD (1 << 0) | |
451 | /* poll for connections */ | |
452 | #define DRM_CONNECTOR_POLL_CONNECT (1 << 1) | |
453 | /* can cleanly poll for disconnections without flickering the screen */ | |
454 | /* DACs should rarely do this without a lot of testing */ | |
455 | #define DRM_CONNECTOR_POLL_DISCONNECT (1 << 2) | |
456 | ||
f453ba04 DA |
457 | /** |
458 | * drm_connector - central DRM connector control structure | |
459 | * @crtc: CRTC this connector is currently connected to, NULL if none | |
460 | * @interlace_allowed: can this connector handle interlaced modes? | |
461 | * @doublescan_allowed: can this connector handle doublescan? | |
462 | * @available_modes: modes available on this connector (from get_modes() + user) | |
463 | * @initial_x: initial x position for this connector | |
464 | * @initial_y: initial y position for this connector | |
465 | * @status: connector connected? | |
466 | * @funcs: connector control functions | |
467 | * | |
468 | * Each connector may be connected to one or more CRTCs, or may be clonable by | |
469 | * another connector if they can share a CRTC. Each connector also has a specific | |
470 | * position in the broader display (referred to as a 'screen' though it could | |
471 | * span multiple monitors). | |
472 | */ | |
473 | struct drm_connector { | |
474 | struct drm_device *dev; | |
475 | struct device kdev; | |
476 | struct device_attribute *attr; | |
477 | struct list_head head; | |
478 | ||
479 | struct drm_mode_object base; | |
480 | ||
481 | int connector_type; | |
482 | int connector_type_id; | |
483 | bool interlace_allowed; | |
484 | bool doublescan_allowed; | |
485 | struct list_head modes; /* list of modes on this connector */ | |
486 | ||
487 | int initial_x, initial_y; | |
488 | enum drm_connector_status status; | |
489 | ||
490 | /* these are modes added by probing with DDC or the BIOS */ | |
491 | struct list_head probed_modes; | |
492 | ||
493 | struct drm_display_info display_info; | |
494 | const struct drm_connector_funcs *funcs; | |
495 | ||
496 | struct list_head user_modes; | |
497 | struct drm_property_blob *edid_blob_ptr; | |
498 | u32 property_ids[DRM_CONNECTOR_MAX_PROPERTY]; | |
499 | uint64_t property_values[DRM_CONNECTOR_MAX_PROPERTY]; | |
500 | ||
eb1f8e4f DA |
501 | uint8_t polled; /* DRM_CONNECTOR_POLL_* */ |
502 | ||
c9fb15f6 KP |
503 | /* requested DPMS state */ |
504 | int dpms; | |
505 | ||
f453ba04 DA |
506 | void *helper_private; |
507 | ||
d50ba256 DA |
508 | /* forced on connector */ |
509 | enum drm_connector_force force; | |
f453ba04 DA |
510 | uint32_t encoder_ids[DRM_CONNECTOR_MAX_ENCODER]; |
511 | uint32_t force_encoder_id; | |
512 | struct drm_encoder *encoder; /* currently active encoder */ | |
513 | }; | |
514 | ||
515 | /** | |
516 | * struct drm_mode_set | |
517 | * | |
518 | * Represents a single crtc the connectors that it drives with what mode | |
519 | * and from which framebuffer it scans out from. | |
520 | * | |
521 | * This is used to set modes. | |
522 | */ | |
523 | struct drm_mode_set { | |
524 | struct list_head head; | |
525 | ||
526 | struct drm_framebuffer *fb; | |
527 | struct drm_crtc *crtc; | |
528 | struct drm_display_mode *mode; | |
529 | ||
530 | uint32_t x; | |
531 | uint32_t y; | |
532 | ||
533 | struct drm_connector **connectors; | |
534 | size_t num_connectors; | |
535 | }; | |
536 | ||
537 | /** | |
538 | * struct drm_mode_config_funcs - configure CRTCs for a given screen layout | |
f453ba04 DA |
539 | */ |
540 | struct drm_mode_config_funcs { | |
f453ba04 | 541 | struct drm_framebuffer *(*fb_create)(struct drm_device *dev, struct drm_file *file_priv, struct drm_mode_fb_cmd *mode_cmd); |
eb1f8e4f | 542 | void (*output_poll_changed)(struct drm_device *dev); |
f453ba04 DA |
543 | }; |
544 | ||
545 | struct drm_mode_group { | |
546 | uint32_t num_crtcs; | |
547 | uint32_t num_encoders; | |
548 | uint32_t num_connectors; | |
549 | ||
550 | /* list of object IDs for this group */ | |
551 | uint32_t *id_list; | |
552 | }; | |
553 | ||
554 | /** | |
555 | * drm_mode_config - Mode configuration control structure | |
556 | * | |
557 | */ | |
558 | struct drm_mode_config { | |
ad2563c2 JB |
559 | struct mutex mutex; /* protects configuration (mode lists etc.) */ |
560 | struct mutex idr_mutex; /* for IDR management */ | |
f453ba04 DA |
561 | struct idr crtc_idr; /* use this idr for all IDs, fb, crtc, connector, modes - just makes life easier */ |
562 | /* this is limited to one for now */ | |
563 | int num_fb; | |
564 | struct list_head fb_list; | |
565 | int num_connector; | |
566 | struct list_head connector_list; | |
567 | int num_encoder; | |
568 | struct list_head encoder_list; | |
569 | ||
570 | int num_crtc; | |
571 | struct list_head crtc_list; | |
572 | ||
573 | struct list_head property_list; | |
574 | ||
f453ba04 DA |
575 | int min_width, min_height; |
576 | int max_width, max_height; | |
577 | struct drm_mode_config_funcs *funcs; | |
d883f7f1 | 578 | resource_size_t fb_base; |
f453ba04 | 579 | |
eb1f8e4f DA |
580 | /* output poll support */ |
581 | bool poll_enabled; | |
991ea75c | 582 | struct delayed_work output_poll_work; |
eb1f8e4f | 583 | |
f453ba04 DA |
584 | /* pointers to standard properties */ |
585 | struct list_head property_blob_list; | |
586 | struct drm_property *edid_property; | |
587 | struct drm_property *dpms_property; | |
588 | ||
589 | /* DVI-I properties */ | |
590 | struct drm_property *dvi_i_subconnector_property; | |
591 | struct drm_property *dvi_i_select_subconnector_property; | |
592 | ||
593 | /* TV properties */ | |
594 | struct drm_property *tv_subconnector_property; | |
595 | struct drm_property *tv_select_subconnector_property; | |
596 | struct drm_property *tv_mode_property; | |
597 | struct drm_property *tv_left_margin_property; | |
598 | struct drm_property *tv_right_margin_property; | |
599 | struct drm_property *tv_top_margin_property; | |
600 | struct drm_property *tv_bottom_margin_property; | |
b6b7902e FJ |
601 | struct drm_property *tv_brightness_property; |
602 | struct drm_property *tv_contrast_property; | |
603 | struct drm_property *tv_flicker_reduction_property; | |
a75f0236 FJ |
604 | struct drm_property *tv_overscan_property; |
605 | struct drm_property *tv_saturation_property; | |
606 | struct drm_property *tv_hue_property; | |
f453ba04 DA |
607 | |
608 | /* Optional properties */ | |
609 | struct drm_property *scaling_mode_property; | |
610 | struct drm_property *dithering_mode_property; | |
884840aa | 611 | struct drm_property *dirty_info_property; |
f453ba04 DA |
612 | }; |
613 | ||
614 | #define obj_to_crtc(x) container_of(x, struct drm_crtc, base) | |
615 | #define obj_to_connector(x) container_of(x, struct drm_connector, base) | |
616 | #define obj_to_encoder(x) container_of(x, struct drm_encoder, base) | |
617 | #define obj_to_mode(x) container_of(x, struct drm_display_mode, base) | |
618 | #define obj_to_fb(x) container_of(x, struct drm_framebuffer, base) | |
619 | #define obj_to_property(x) container_of(x, struct drm_property, base) | |
620 | #define obj_to_blob(x) container_of(x, struct drm_property_blob, base) | |
621 | ||
622 | ||
623 | extern void drm_crtc_init(struct drm_device *dev, | |
624 | struct drm_crtc *crtc, | |
625 | const struct drm_crtc_funcs *funcs); | |
626 | extern void drm_crtc_cleanup(struct drm_crtc *crtc); | |
627 | ||
628 | extern void drm_connector_init(struct drm_device *dev, | |
629 | struct drm_connector *connector, | |
630 | const struct drm_connector_funcs *funcs, | |
631 | int connector_type); | |
632 | ||
633 | extern void drm_connector_cleanup(struct drm_connector *connector); | |
634 | ||
635 | extern void drm_encoder_init(struct drm_device *dev, | |
636 | struct drm_encoder *encoder, | |
637 | const struct drm_encoder_funcs *funcs, | |
638 | int encoder_type); | |
639 | ||
640 | extern void drm_encoder_cleanup(struct drm_encoder *encoder); | |
641 | ||
642 | extern char *drm_get_connector_name(struct drm_connector *connector); | |
643 | extern char *drm_get_dpms_name(int val); | |
644 | extern char *drm_get_dvi_i_subconnector_name(int val); | |
645 | extern char *drm_get_dvi_i_select_name(int val); | |
646 | extern char *drm_get_tv_subconnector_name(int val); | |
647 | extern char *drm_get_tv_select_name(int val); | |
ea39f835 | 648 | extern void drm_fb_release(struct drm_file *file_priv); |
f453ba04 DA |
649 | extern int drm_mode_group_init_legacy_group(struct drm_device *dev, struct drm_mode_group *group); |
650 | extern struct edid *drm_get_edid(struct drm_connector *connector, | |
651 | struct i2c_adapter *adapter); | |
f453ba04 DA |
652 | extern int drm_add_edid_modes(struct drm_connector *connector, struct edid *edid); |
653 | extern void drm_mode_probed_add(struct drm_connector *connector, struct drm_display_mode *mode); | |
654 | extern void drm_mode_remove(struct drm_connector *connector, struct drm_display_mode *mode); | |
655 | extern struct drm_display_mode *drm_mode_duplicate(struct drm_device *dev, | |
656 | struct drm_display_mode *mode); | |
657 | extern void drm_mode_debug_printmodeline(struct drm_display_mode *mode); | |
658 | extern void drm_mode_config_init(struct drm_device *dev); | |
659 | extern void drm_mode_config_cleanup(struct drm_device *dev); | |
660 | extern void drm_mode_set_name(struct drm_display_mode *mode); | |
661 | extern bool drm_mode_equal(struct drm_display_mode *mode1, struct drm_display_mode *mode2); | |
662 | extern int drm_mode_width(struct drm_display_mode *mode); | |
663 | extern int drm_mode_height(struct drm_display_mode *mode); | |
664 | ||
665 | /* for us by fb module */ | |
666 | extern int drm_mode_attachmode_crtc(struct drm_device *dev, | |
667 | struct drm_crtc *crtc, | |
668 | struct drm_display_mode *mode); | |
669 | extern int drm_mode_detachmode_crtc(struct drm_device *dev, struct drm_display_mode *mode); | |
670 | ||
671 | extern struct drm_display_mode *drm_mode_create(struct drm_device *dev); | |
672 | extern void drm_mode_destroy(struct drm_device *dev, struct drm_display_mode *mode); | |
673 | extern void drm_mode_list_concat(struct list_head *head, | |
674 | struct list_head *new); | |
675 | extern void drm_mode_validate_size(struct drm_device *dev, | |
676 | struct list_head *mode_list, | |
677 | int maxX, int maxY, int maxPitch); | |
678 | extern void drm_mode_prune_invalid(struct drm_device *dev, | |
679 | struct list_head *mode_list, bool verbose); | |
680 | extern void drm_mode_sort(struct list_head *mode_list); | |
7ac96a9c | 681 | extern int drm_mode_hsync(struct drm_display_mode *mode); |
f453ba04 DA |
682 | extern int drm_mode_vrefresh(struct drm_display_mode *mode); |
683 | extern void drm_mode_set_crtcinfo(struct drm_display_mode *p, | |
684 | int adjust_flags); | |
685 | extern void drm_mode_connector_list_update(struct drm_connector *connector); | |
686 | extern int drm_mode_connector_update_edid_property(struct drm_connector *connector, | |
687 | struct edid *edid); | |
688 | extern int drm_connector_property_set_value(struct drm_connector *connector, | |
689 | struct drm_property *property, | |
690 | uint64_t value); | |
691 | extern int drm_connector_property_get_value(struct drm_connector *connector, | |
692 | struct drm_property *property, | |
693 | uint64_t *value); | |
694 | extern struct drm_display_mode *drm_crtc_mode_create(struct drm_device *dev); | |
695 | extern void drm_framebuffer_set_object(struct drm_device *dev, | |
696 | unsigned long handle); | |
697 | extern int drm_framebuffer_init(struct drm_device *dev, | |
698 | struct drm_framebuffer *fb, | |
699 | const struct drm_framebuffer_funcs *funcs); | |
700 | extern void drm_framebuffer_cleanup(struct drm_framebuffer *fb); | |
701 | extern int drmfb_probe(struct drm_device *dev, struct drm_crtc *crtc); | |
702 | extern int drmfb_remove(struct drm_device *dev, struct drm_framebuffer *fb); | |
703 | extern void drm_crtc_probe_connector_modes(struct drm_device *dev, int maxX, int maxY); | |
704 | extern bool drm_crtc_in_use(struct drm_crtc *crtc); | |
705 | ||
706 | extern int drm_connector_attach_property(struct drm_connector *connector, | |
707 | struct drm_property *property, uint64_t init_val); | |
708 | extern struct drm_property *drm_property_create(struct drm_device *dev, int flags, | |
709 | const char *name, int num_values); | |
710 | extern void drm_property_destroy(struct drm_device *dev, struct drm_property *property); | |
711 | extern int drm_property_add_enum(struct drm_property *property, int index, | |
712 | uint64_t value, const char *name); | |
713 | extern int drm_mode_create_dvi_i_properties(struct drm_device *dev); | |
714 | extern int drm_mode_create_tv_properties(struct drm_device *dev, int num_formats, | |
715 | char *formats[]); | |
716 | extern int drm_mode_create_scaling_mode_property(struct drm_device *dev); | |
717 | extern int drm_mode_create_dithering_property(struct drm_device *dev); | |
884840aa | 718 | extern int drm_mode_create_dirty_info_property(struct drm_device *dev); |
f453ba04 DA |
719 | extern char *drm_get_encoder_name(struct drm_encoder *encoder); |
720 | ||
721 | extern int drm_mode_connector_attach_encoder(struct drm_connector *connector, | |
722 | struct drm_encoder *encoder); | |
723 | extern void drm_mode_connector_detach_encoder(struct drm_connector *connector, | |
724 | struct drm_encoder *encoder); | |
725 | extern bool drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc, | |
726 | int gamma_size); | |
7a9c9060 DV |
727 | extern struct drm_mode_object *drm_mode_object_find(struct drm_device *dev, |
728 | uint32_t id, uint32_t type); | |
f453ba04 DA |
729 | /* IOCTLs */ |
730 | extern int drm_mode_getresources(struct drm_device *dev, | |
731 | void *data, struct drm_file *file_priv); | |
732 | ||
733 | extern int drm_mode_getcrtc(struct drm_device *dev, | |
734 | void *data, struct drm_file *file_priv); | |
735 | extern int drm_mode_getconnector(struct drm_device *dev, | |
736 | void *data, struct drm_file *file_priv); | |
737 | extern int drm_mode_setcrtc(struct drm_device *dev, | |
738 | void *data, struct drm_file *file_priv); | |
739 | extern int drm_mode_cursor_ioctl(struct drm_device *dev, | |
740 | void *data, struct drm_file *file_priv); | |
741 | extern int drm_mode_addfb(struct drm_device *dev, | |
742 | void *data, struct drm_file *file_priv); | |
743 | extern int drm_mode_rmfb(struct drm_device *dev, | |
744 | void *data, struct drm_file *file_priv); | |
745 | extern int drm_mode_getfb(struct drm_device *dev, | |
746 | void *data, struct drm_file *file_priv); | |
884840aa JB |
747 | extern int drm_mode_dirtyfb_ioctl(struct drm_device *dev, |
748 | void *data, struct drm_file *file_priv); | |
f453ba04 DA |
749 | extern int drm_mode_addmode_ioctl(struct drm_device *dev, |
750 | void *data, struct drm_file *file_priv); | |
751 | extern int drm_mode_rmmode_ioctl(struct drm_device *dev, | |
752 | void *data, struct drm_file *file_priv); | |
753 | extern int drm_mode_attachmode_ioctl(struct drm_device *dev, | |
754 | void *data, struct drm_file *file_priv); | |
755 | extern int drm_mode_detachmode_ioctl(struct drm_device *dev, | |
756 | void *data, struct drm_file *file_priv); | |
757 | ||
758 | extern int drm_mode_getproperty_ioctl(struct drm_device *dev, | |
759 | void *data, struct drm_file *file_priv); | |
760 | extern int drm_mode_getblob_ioctl(struct drm_device *dev, | |
761 | void *data, struct drm_file *file_priv); | |
762 | extern int drm_mode_connector_property_set_ioctl(struct drm_device *dev, | |
763 | void *data, struct drm_file *file_priv); | |
764 | extern int drm_mode_hotplug_ioctl(struct drm_device *dev, | |
765 | void *data, struct drm_file *file_priv); | |
766 | extern int drm_mode_replacefb(struct drm_device *dev, | |
767 | void *data, struct drm_file *file_priv); | |
768 | extern int drm_mode_getencoder(struct drm_device *dev, | |
769 | void *data, struct drm_file *file_priv); | |
770 | extern int drm_mode_gamma_get_ioctl(struct drm_device *dev, | |
771 | void *data, struct drm_file *file_priv); | |
772 | extern int drm_mode_gamma_set_ioctl(struct drm_device *dev, | |
773 | void *data, struct drm_file *file_priv); | |
f23c20c8 | 774 | extern bool drm_detect_hdmi_monitor(struct edid *edid); |
8fe9790d | 775 | extern bool drm_detect_monitor_audio(struct edid *edid); |
d91d8a3f KH |
776 | extern int drm_mode_page_flip_ioctl(struct drm_device *dev, |
777 | void *data, struct drm_file *file_priv); | |
d782c3f9 ZY |
778 | extern struct drm_display_mode *drm_cvt_mode(struct drm_device *dev, |
779 | int hdisplay, int vdisplay, int vrefresh, | |
d50ba256 | 780 | bool reduced, bool interlaced, bool margins); |
26bbdada ZY |
781 | extern struct drm_display_mode *drm_gtf_mode(struct drm_device *dev, |
782 | int hdisplay, int vdisplay, int vrefresh, | |
783 | bool interlaced, int margins); | |
7a374350 AJ |
784 | extern struct drm_display_mode *drm_gtf_mode_complex(struct drm_device *dev, |
785 | int hdisplay, int vdisplay, int vrefresh, | |
786 | bool interlaced, int margins, int GTF_M, | |
787 | int GTF_2C, int GTF_K, int GTF_2J); | |
f0fda0a4 ZY |
788 | extern int drm_add_modes_noedid(struct drm_connector *connector, |
789 | int hdisplay, int vdisplay); | |
3c537889 AD |
790 | |
791 | extern bool drm_edid_is_valid(struct edid *edid); | |
1d42bbc8 DA |
792 | struct drm_display_mode *drm_mode_find_dmt(struct drm_device *dev, |
793 | int hsize, int vsize, int fresh); | |
f453ba04 | 794 | #endif /* __DRM_CRTC_H__ */ |