Root/
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 */ |
126 | int clock; /* in kHz */ |
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 | |
167 | int vrefresh; /* in Hz */ |
168 | int hsync; /* in kHz */ |
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]; |
192 | /* Input info */ |
193 | bool serration_vsync; |
194 | bool sync_on_green; |
195 | bool composite_sync; |
196 | bool separate_syncs; |
197 | bool blank_to_black; |
198 | unsigned char video_level; |
199 | bool digital; |
200 | /* Physical size */ |
201 | unsigned int width_mm; |
202 | unsigned int height_mm; |
203 | |
204 | /* Display parameters */ |
205 | unsigned char gamma; /* FIXME: storage format */ |
206 | bool gtf_supported; |
207 | bool standard_color; |
208 | enum { |
209 | monochrome = 0, |
210 | rgb, |
211 | other, |
212 | unknown, |
213 | } display_type; |
214 | bool active_off_supported; |
215 | bool suspend_supported; |
216 | bool standby_supported; |
217 | |
218 | /* Color info FIXME: storage format */ |
219 | unsigned short redx, redy; |
220 | unsigned short greenx, greeny; |
221 | unsigned short bluex, bluey; |
222 | unsigned short whitex, whitey; |
223 | |
224 | /* Clock limits FIXME: storage format */ |
225 | unsigned int min_vfreq, max_vfreq; |
226 | unsigned int min_hfreq, max_hfreq; |
227 | unsigned int pixel_clock; |
228 | |
229 | /* White point indices FIXME: storage format */ |
230 | unsigned int wpx1, wpy1; |
231 | unsigned int wpgamma1; |
232 | unsigned int wpx2, wpy2; |
233 | unsigned int wpgamma2; |
234 | |
235 | enum subpixel_order subpixel_order; |
236 | |
237 | char *raw_edid; /* if any */ |
238 | }; |
239 | |
240 | struct drm_framebuffer_funcs { |
241 | void (*destroy)(struct drm_framebuffer *framebuffer); |
242 | int (*create_handle)(struct drm_framebuffer *fb, |
243 | struct drm_file *file_priv, |
244 | unsigned int *handle); |
245 | /** |
246 | * Optinal callback for the dirty fb ioctl. |
247 | * |
248 | * Userspace can notify the driver via this callback |
249 | * that a area of the framebuffer has changed and should |
250 | * be flushed to the display hardware. |
251 | * |
252 | * See documentation in drm_mode.h for the struct |
253 | * drm_mode_fb_dirty_cmd for more information as all |
254 | * the semantics and arguments have a one to one mapping |
255 | * on this function. |
256 | */ |
257 | int (*dirty)(struct drm_framebuffer *framebuffer, unsigned flags, |
258 | unsigned color, struct drm_clip_rect *clips, |
259 | unsigned num_clips); |
260 | }; |
261 | |
262 | struct drm_framebuffer { |
263 | struct drm_device *dev; |
264 | struct list_head head; |
265 | struct drm_mode_object base; |
266 | const struct drm_framebuffer_funcs *funcs; |
267 | unsigned int pitch; |
268 | unsigned int width; |
269 | unsigned int height; |
270 | /* depth can be 15 or 16 */ |
271 | unsigned int depth; |
272 | int bits_per_pixel; |
273 | int flags; |
274 | struct fb_info *fbdev; |
275 | u32 pseudo_palette[17]; |
276 | struct list_head filp_head; |
277 | /* if you are using the helper */ |
278 | void *helper_private; |
279 | }; |
280 | |
281 | struct drm_property_blob { |
282 | struct drm_mode_object base; |
283 | struct list_head head; |
284 | unsigned int length; |
285 | void *data; |
286 | }; |
287 | |
288 | struct drm_property_enum { |
289 | uint64_t value; |
290 | struct list_head head; |
291 | char name[DRM_PROP_NAME_LEN]; |
292 | }; |
293 | |
294 | struct drm_property { |
295 | struct list_head head; |
296 | struct drm_mode_object base; |
297 | uint32_t flags; |
298 | char name[DRM_PROP_NAME_LEN]; |
299 | uint32_t num_values; |
300 | uint64_t *values; |
301 | |
302 | struct list_head enum_blob_list; |
303 | }; |
304 | |
305 | struct drm_crtc; |
306 | struct drm_connector; |
307 | struct drm_encoder; |
308 | struct drm_pending_vblank_event; |
309 | |
310 | /** |
311 | * drm_crtc_funcs - control CRTCs for a given device |
312 | * @dpms: control display power levels |
313 | * @save: save CRTC state |
314 | * @resore: restore CRTC state |
315 | * @lock: lock the CRTC |
316 | * @unlock: unlock the CRTC |
317 | * @shadow_allocate: allocate shadow pixmap |
318 | * @shadow_create: create shadow pixmap for rotation support |
319 | * @shadow_destroy: free shadow pixmap |
320 | * @mode_fixup: fixup proposed mode |
321 | * @mode_set: set the desired mode on the CRTC |
322 | * @gamma_set: specify color ramp for CRTC |
323 | * @destroy: deinit and free object. |
324 | * |
325 | * The drm_crtc_funcs structure is the central CRTC management structure |
326 | * in the DRM. Each CRTC controls one or more connectors (note that the name |
327 | * CRTC is simply historical, a CRTC may control LVDS, VGA, DVI, TV out, etc. |
328 | * connectors, not just CRTs). |
329 | * |
330 | * Each driver is responsible for filling out this structure at startup time, |
331 | * in addition to providing other modesetting features, like i2c and DDC |
332 | * bus accessors. |
333 | */ |
334 | struct drm_crtc_funcs { |
335 | /* Save CRTC state */ |
336 | void (*save)(struct drm_crtc *crtc); /* suspend? */ |
337 | /* Restore CRTC state */ |
338 | void (*restore)(struct drm_crtc *crtc); /* resume? */ |
339 | |
340 | /* cursor controls */ |
341 | int (*cursor_set)(struct drm_crtc *crtc, struct drm_file *file_priv, |
342 | uint32_t handle, uint32_t width, uint32_t height); |
343 | int (*cursor_move)(struct drm_crtc *crtc, int x, int y); |
344 | |
345 | /* Set gamma on the CRTC */ |
346 | void (*gamma_set)(struct drm_crtc *crtc, u16 *r, u16 *g, u16 *b, |
347 | uint32_t size); |
348 | /* Object destroy routine */ |
349 | void (*destroy)(struct drm_crtc *crtc); |
350 | |
351 | int (*set_config)(struct drm_mode_set *set); |
352 | |
353 | /* |
354 | * Flip to the given framebuffer. This implements the page |
355 | * flip ioctl descibed in drm_mode.h, specifically, the |
356 | * implementation must return immediately and block all |
357 | * rendering to the current fb until the flip has completed. |
358 | * If userspace set the event flag in the ioctl, the event |
359 | * argument will point to an event to send back when the flip |
360 | * completes, otherwise it will be NULL. |
361 | */ |
362 | int (*page_flip)(struct drm_crtc *crtc, |
363 | struct drm_framebuffer *fb, |
364 | struct drm_pending_vblank_event *event); |
365 | }; |
366 | |
367 | /** |
368 | * drm_crtc - central CRTC control structure |
369 | * @enabled: is this CRTC enabled? |
370 | * @x: x position on screen |
371 | * @y: y position on screen |
372 | * @desired_mode: new desired mode |
373 | * @desired_x: desired x for desired_mode |
374 | * @desired_y: desired y for desired_mode |
375 | * @funcs: CRTC control functions |
376 | * |
377 | * Each CRTC may have one or more connectors associated with it. This structure |
378 | * allows the CRTC to be controlled. |
379 | */ |
380 | struct drm_crtc { |
381 | struct drm_device *dev; |
382 | struct list_head head; |
383 | |
384 | struct drm_mode_object base; |
385 | |
386 | /* framebuffer the connector is currently bound to */ |
387 | struct drm_framebuffer *fb; |
388 | |
389 | bool enabled; |
390 | |
391 | struct drm_display_mode mode; |
392 | |
393 | int x, y; |
394 | struct drm_display_mode *desired_mode; |
395 | int desired_x, desired_y; |
396 | const struct drm_crtc_funcs *funcs; |
397 | |
398 | /* CRTC gamma size for reporting to userspace */ |
399 | uint32_t gamma_size; |
400 | uint16_t *gamma_store; |
401 | |
402 | /* if you are using the helper */ |
403 | void *helper_private; |
404 | }; |
405 | |
406 | |
407 | /** |
408 | * drm_connector_funcs - control connectors on a given device |
409 | * @dpms: set power state (see drm_crtc_funcs above) |
410 | * @save: save connector state |
411 | * @restore: restore connector state |
412 | * @mode_valid: is this mode valid on the given connector? |
413 | * @mode_fixup: try to fixup proposed mode for this connector |
414 | * @mode_set: set this mode |
415 | * @detect: is this connector active? |
416 | * @get_modes: get mode list for this connector |
417 | * @set_property: property for this connector may need update |
418 | * @destroy: make object go away |
419 | * @force: notify the driver the connector is forced on |
420 | * |
421 | * Each CRTC may have one or more connectors attached to it. The functions |
422 | * below allow the core DRM code to control connectors, enumerate available modes, |
423 | * etc. |
424 | */ |
425 | struct drm_connector_funcs { |
426 | void (*dpms)(struct drm_connector *connector, int mode); |
427 | void (*save)(struct drm_connector *connector); |
428 | void (*restore)(struct drm_connector *connector); |
429 | enum drm_connector_status (*detect)(struct drm_connector *connector); |
430 | int (*fill_modes)(struct drm_connector *connector, uint32_t max_width, uint32_t max_height); |
431 | int (*set_property)(struct drm_connector *connector, struct drm_property *property, |
432 | uint64_t val); |
433 | void (*destroy)(struct drm_connector *connector); |
434 | void (*force)(struct drm_connector *connector); |
435 | }; |
436 | |
437 | struct drm_encoder_funcs { |
438 | void (*destroy)(struct drm_encoder *encoder); |
439 | }; |
440 | |
441 | #define DRM_CONNECTOR_MAX_UMODES 16 |
442 | #define DRM_CONNECTOR_MAX_PROPERTY 16 |
443 | #define DRM_CONNECTOR_LEN 32 |
444 | #define DRM_CONNECTOR_MAX_ENCODER 2 |
445 | |
446 | /** |
447 | * drm_encoder - central DRM encoder structure |
448 | */ |
449 | struct drm_encoder { |
450 | struct drm_device *dev; |
451 | struct list_head head; |
452 | |
453 | struct drm_mode_object base; |
454 | int encoder_type; |
455 | uint32_t possible_crtcs; |
456 | uint32_t possible_clones; |
457 | |
458 | struct drm_crtc *crtc; |
459 | const struct drm_encoder_funcs *funcs; |
460 | void *helper_private; |
461 | }; |
462 | |
463 | enum drm_connector_force { |
464 | DRM_FORCE_UNSPECIFIED, |
465 | DRM_FORCE_OFF, |
466 | DRM_FORCE_ON, /* force on analog part normally */ |
467 | DRM_FORCE_ON_DIGITAL, /* for DVI-I use digital connector */ |
468 | }; |
469 | |
470 | /** |
471 | * drm_connector - central DRM connector control structure |
472 | * @crtc: CRTC this connector is currently connected to, NULL if none |
473 | * @interlace_allowed: can this connector handle interlaced modes? |
474 | * @doublescan_allowed: can this connector handle doublescan? |
475 | * @available_modes: modes available on this connector (from get_modes() + user) |
476 | * @initial_x: initial x position for this connector |
477 | * @initial_y: initial y position for this connector |
478 | * @status: connector connected? |
479 | * @funcs: connector control functions |
480 | * |
481 | * Each connector may be connected to one or more CRTCs, or may be clonable by |
482 | * another connector if they can share a CRTC. Each connector also has a specific |
483 | * position in the broader display (referred to as a 'screen' though it could |
484 | * span multiple monitors). |
485 | */ |
486 | struct drm_connector { |
487 | struct drm_device *dev; |
488 | struct device kdev; |
489 | struct device_attribute *attr; |
490 | struct list_head head; |
491 | |
492 | struct drm_mode_object base; |
493 | |
494 | int connector_type; |
495 | int connector_type_id; |
496 | bool interlace_allowed; |
497 | bool doublescan_allowed; |
498 | struct list_head modes; /* list of modes on this connector */ |
499 | |
500 | int initial_x, initial_y; |
501 | enum drm_connector_status status; |
502 | |
503 | /* these are modes added by probing with DDC or the BIOS */ |
504 | struct list_head probed_modes; |
505 | |
506 | struct drm_display_info display_info; |
507 | const struct drm_connector_funcs *funcs; |
508 | |
509 | struct list_head user_modes; |
510 | struct drm_property_blob *edid_blob_ptr; |
511 | u32 property_ids[DRM_CONNECTOR_MAX_PROPERTY]; |
512 | uint64_t property_values[DRM_CONNECTOR_MAX_PROPERTY]; |
513 | |
514 | /* requested DPMS state */ |
515 | int dpms; |
516 | |
517 | void *helper_private; |
518 | |
519 | /* forced on connector */ |
520 | enum drm_connector_force force; |
521 | uint32_t encoder_ids[DRM_CONNECTOR_MAX_ENCODER]; |
522 | uint32_t force_encoder_id; |
523 | struct drm_encoder *encoder; /* currently active encoder */ |
524 | void *fb_helper_private; |
525 | }; |
526 | |
527 | /** |
528 | * struct drm_mode_set |
529 | * |
530 | * Represents a single crtc the connectors that it drives with what mode |
531 | * and from which framebuffer it scans out from. |
532 | * |
533 | * This is used to set modes. |
534 | */ |
535 | struct drm_mode_set { |
536 | struct list_head head; |
537 | |
538 | struct drm_framebuffer *fb; |
539 | struct drm_crtc *crtc; |
540 | struct drm_display_mode *mode; |
541 | |
542 | uint32_t x; |
543 | uint32_t y; |
544 | |
545 | struct drm_connector **connectors; |
546 | size_t num_connectors; |
547 | }; |
548 | |
549 | /** |
550 | * struct drm_mode_config_funcs - configure CRTCs for a given screen layout |
551 | * @resize: adjust CRTCs as necessary for the proposed layout |
552 | * |
553 | * Currently only a resize hook is available. DRM will call back into the |
554 | * driver with a new screen width and height. If the driver can't support |
555 | * the proposed size, it can return false. Otherwise it should adjust |
556 | * the CRTC<->connector mappings as needed and update its view of the screen. |
557 | */ |
558 | struct drm_mode_config_funcs { |
559 | struct drm_framebuffer *(*fb_create)(struct drm_device *dev, struct drm_file *file_priv, struct drm_mode_fb_cmd *mode_cmd); |
560 | int (*fb_changed)(struct drm_device *dev); |
561 | }; |
562 | |
563 | struct drm_mode_group { |
564 | uint32_t num_crtcs; |
565 | uint32_t num_encoders; |
566 | uint32_t num_connectors; |
567 | |
568 | /* list of object IDs for this group */ |
569 | uint32_t *id_list; |
570 | }; |
571 | |
572 | /** |
573 | * drm_mode_config - Mode configuration control structure |
574 | * |
575 | */ |
576 | struct drm_mode_config { |
577 | struct mutex mutex; /* protects configuration (mode lists etc.) */ |
578 | struct mutex idr_mutex; /* for IDR management */ |
579 | struct idr crtc_idr; /* use this idr for all IDs, fb, crtc, connector, modes - just makes life easier */ |
580 | /* this is limited to one for now */ |
581 | int num_fb; |
582 | struct list_head fb_list; |
583 | int num_connector; |
584 | struct list_head connector_list; |
585 | int num_encoder; |
586 | struct list_head encoder_list; |
587 | |
588 | int num_crtc; |
589 | struct list_head crtc_list; |
590 | |
591 | struct list_head property_list; |
592 | |
593 | /* in-kernel framebuffers - hung of filp_head in drm_framebuffer */ |
594 | struct list_head fb_kernel_list; |
595 | |
596 | int min_width, min_height; |
597 | int max_width, max_height; |
598 | struct drm_mode_config_funcs *funcs; |
599 | resource_size_t fb_base; |
600 | |
601 | /* pointers to standard properties */ |
602 | struct list_head property_blob_list; |
603 | struct drm_property *edid_property; |
604 | struct drm_property *dpms_property; |
605 | |
606 | /* DVI-I properties */ |
607 | struct drm_property *dvi_i_subconnector_property; |
608 | struct drm_property *dvi_i_select_subconnector_property; |
609 | |
610 | /* TV properties */ |
611 | struct drm_property *tv_subconnector_property; |
612 | struct drm_property *tv_select_subconnector_property; |
613 | struct drm_property *tv_mode_property; |
614 | struct drm_property *tv_left_margin_property; |
615 | struct drm_property *tv_right_margin_property; |
616 | struct drm_property *tv_top_margin_property; |
617 | struct drm_property *tv_bottom_margin_property; |
618 | struct drm_property *tv_brightness_property; |
619 | struct drm_property *tv_contrast_property; |
620 | struct drm_property *tv_flicker_reduction_property; |
621 | struct drm_property *tv_overscan_property; |
622 | struct drm_property *tv_saturation_property; |
623 | struct drm_property *tv_hue_property; |
624 | |
625 | /* Optional properties */ |
626 | struct drm_property *scaling_mode_property; |
627 | struct drm_property *dithering_mode_property; |
628 | struct drm_property *dirty_info_property; |
629 | }; |
630 | |
631 | #define obj_to_crtc(x) container_of(x, struct drm_crtc, base) |
632 | #define obj_to_connector(x) container_of(x, struct drm_connector, base) |
633 | #define obj_to_encoder(x) container_of(x, struct drm_encoder, base) |
634 | #define obj_to_mode(x) container_of(x, struct drm_display_mode, base) |
635 | #define obj_to_fb(x) container_of(x, struct drm_framebuffer, base) |
636 | #define obj_to_property(x) container_of(x, struct drm_property, base) |
637 | #define obj_to_blob(x) container_of(x, struct drm_property_blob, base) |
638 | |
639 | |
640 | extern void drm_crtc_init(struct drm_device *dev, |
641 | struct drm_crtc *crtc, |
642 | const struct drm_crtc_funcs *funcs); |
643 | extern void drm_crtc_cleanup(struct drm_crtc *crtc); |
644 | |
645 | extern void drm_connector_init(struct drm_device *dev, |
646 | struct drm_connector *connector, |
647 | const struct drm_connector_funcs *funcs, |
648 | int connector_type); |
649 | |
650 | extern void drm_connector_cleanup(struct drm_connector *connector); |
651 | |
652 | extern void drm_encoder_init(struct drm_device *dev, |
653 | struct drm_encoder *encoder, |
654 | const struct drm_encoder_funcs *funcs, |
655 | int encoder_type); |
656 | |
657 | extern void drm_encoder_cleanup(struct drm_encoder *encoder); |
658 | |
659 | extern char *drm_get_connector_name(struct drm_connector *connector); |
660 | extern char *drm_get_dpms_name(int val); |
661 | extern char *drm_get_dvi_i_subconnector_name(int val); |
662 | extern char *drm_get_dvi_i_select_name(int val); |
663 | extern char *drm_get_tv_subconnector_name(int val); |
664 | extern char *drm_get_tv_select_name(int val); |
665 | extern void drm_fb_release(struct drm_file *file_priv); |
666 | extern int drm_mode_group_init_legacy_group(struct drm_device *dev, struct drm_mode_group *group); |
667 | extern struct edid *drm_get_edid(struct drm_connector *connector, |
668 | struct i2c_adapter *adapter); |
669 | extern int drm_do_probe_ddc_edid(struct i2c_adapter *adapter, |
670 | unsigned char *buf, int len); |
671 | extern int drm_add_edid_modes(struct drm_connector *connector, struct edid *edid); |
672 | extern void drm_mode_probed_add(struct drm_connector *connector, struct drm_display_mode *mode); |
673 | extern void drm_mode_remove(struct drm_connector *connector, struct drm_display_mode *mode); |
674 | extern struct drm_display_mode *drm_mode_duplicate(struct drm_device *dev, |
675 | struct drm_display_mode *mode); |
676 | extern void drm_mode_debug_printmodeline(struct drm_display_mode *mode); |
677 | extern void drm_mode_config_init(struct drm_device *dev); |
678 | extern void drm_mode_config_cleanup(struct drm_device *dev); |
679 | extern void drm_mode_set_name(struct drm_display_mode *mode); |
680 | extern bool drm_mode_equal(struct drm_display_mode *mode1, struct drm_display_mode *mode2); |
681 | extern int drm_mode_width(struct drm_display_mode *mode); |
682 | extern int drm_mode_height(struct drm_display_mode *mode); |
683 | |
684 | /* for us by fb module */ |
685 | extern int drm_mode_attachmode_crtc(struct drm_device *dev, |
686 | struct drm_crtc *crtc, |
687 | struct drm_display_mode *mode); |
688 | extern int drm_mode_detachmode_crtc(struct drm_device *dev, struct drm_display_mode *mode); |
689 | |
690 | extern struct drm_display_mode *drm_mode_create(struct drm_device *dev); |
691 | extern void drm_mode_destroy(struct drm_device *dev, struct drm_display_mode *mode); |
692 | extern void drm_mode_list_concat(struct list_head *head, |
693 | struct list_head *new); |
694 | extern void drm_mode_validate_size(struct drm_device *dev, |
695 | struct list_head *mode_list, |
696 | int maxX, int maxY, int maxPitch); |
697 | extern void drm_mode_prune_invalid(struct drm_device *dev, |
698 | struct list_head *mode_list, bool verbose); |
699 | extern void drm_mode_sort(struct list_head *mode_list); |
700 | extern int drm_mode_hsync(struct drm_display_mode *mode); |
701 | extern int drm_mode_vrefresh(struct drm_display_mode *mode); |
702 | extern void drm_mode_set_crtcinfo(struct drm_display_mode *p, |
703 | int adjust_flags); |
704 | extern void drm_mode_connector_list_update(struct drm_connector *connector); |
705 | extern int drm_mode_connector_update_edid_property(struct drm_connector *connector, |
706 | struct edid *edid); |
707 | extern int drm_connector_property_set_value(struct drm_connector *connector, |
708 | struct drm_property *property, |
709 | uint64_t value); |
710 | extern int drm_connector_property_get_value(struct drm_connector *connector, |
711 | struct drm_property *property, |
712 | uint64_t *value); |
713 | extern struct drm_display_mode *drm_crtc_mode_create(struct drm_device *dev); |
714 | extern void drm_framebuffer_set_object(struct drm_device *dev, |
715 | unsigned long handle); |
716 | extern int drm_framebuffer_init(struct drm_device *dev, |
717 | struct drm_framebuffer *fb, |
718 | const struct drm_framebuffer_funcs *funcs); |
719 | extern void drm_framebuffer_cleanup(struct drm_framebuffer *fb); |
720 | extern int drmfb_probe(struct drm_device *dev, struct drm_crtc *crtc); |
721 | extern int drmfb_remove(struct drm_device *dev, struct drm_framebuffer *fb); |
722 | extern void drm_crtc_probe_connector_modes(struct drm_device *dev, int maxX, int maxY); |
723 | extern bool drm_crtc_in_use(struct drm_crtc *crtc); |
724 | |
725 | extern int drm_connector_attach_property(struct drm_connector *connector, |
726 | struct drm_property *property, uint64_t init_val); |
727 | extern struct drm_property *drm_property_create(struct drm_device *dev, int flags, |
728 | const char *name, int num_values); |
729 | extern void drm_property_destroy(struct drm_device *dev, struct drm_property *property); |
730 | extern int drm_property_add_enum(struct drm_property *property, int index, |
731 | uint64_t value, const char *name); |
732 | extern int drm_mode_create_dvi_i_properties(struct drm_device *dev); |
733 | extern int drm_mode_create_tv_properties(struct drm_device *dev, int num_formats, |
734 | char *formats[]); |
735 | extern int drm_mode_create_scaling_mode_property(struct drm_device *dev); |
736 | extern int drm_mode_create_dithering_property(struct drm_device *dev); |
737 | extern int drm_mode_create_dirty_info_property(struct drm_device *dev); |
738 | extern char *drm_get_encoder_name(struct drm_encoder *encoder); |
739 | |
740 | extern int drm_mode_connector_attach_encoder(struct drm_connector *connector, |
741 | struct drm_encoder *encoder); |
742 | extern void drm_mode_connector_detach_encoder(struct drm_connector *connector, |
743 | struct drm_encoder *encoder); |
744 | extern bool drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc, |
745 | int gamma_size); |
746 | extern struct drm_mode_object *drm_mode_object_find(struct drm_device *dev, |
747 | uint32_t id, uint32_t type); |
748 | /* IOCTLs */ |
749 | extern int drm_mode_getresources(struct drm_device *dev, |
750 | void *data, struct drm_file *file_priv); |
751 | |
752 | extern int drm_mode_getcrtc(struct drm_device *dev, |
753 | void *data, struct drm_file *file_priv); |
754 | extern int drm_mode_getconnector(struct drm_device *dev, |
755 | void *data, struct drm_file *file_priv); |
756 | extern int drm_mode_setcrtc(struct drm_device *dev, |
757 | void *data, struct drm_file *file_priv); |
758 | extern int drm_mode_cursor_ioctl(struct drm_device *dev, |
759 | void *data, struct drm_file *file_priv); |
760 | extern int drm_mode_addfb(struct drm_device *dev, |
761 | void *data, struct drm_file *file_priv); |
762 | extern int drm_mode_rmfb(struct drm_device *dev, |
763 | void *data, struct drm_file *file_priv); |
764 | extern int drm_mode_getfb(struct drm_device *dev, |
765 | void *data, struct drm_file *file_priv); |
766 | extern int drm_mode_dirtyfb_ioctl(struct drm_device *dev, |
767 | void *data, struct drm_file *file_priv); |
768 | extern int drm_mode_addmode_ioctl(struct drm_device *dev, |
769 | void *data, struct drm_file *file_priv); |
770 | extern int drm_mode_rmmode_ioctl(struct drm_device *dev, |
771 | void *data, struct drm_file *file_priv); |
772 | extern int drm_mode_attachmode_ioctl(struct drm_device *dev, |
773 | void *data, struct drm_file *file_priv); |
774 | extern int drm_mode_detachmode_ioctl(struct drm_device *dev, |
775 | void *data, struct drm_file *file_priv); |
776 | |
777 | extern int drm_mode_getproperty_ioctl(struct drm_device *dev, |
778 | void *data, struct drm_file *file_priv); |
779 | extern int drm_mode_getblob_ioctl(struct drm_device *dev, |
780 | void *data, struct drm_file *file_priv); |
781 | extern int drm_mode_connector_property_set_ioctl(struct drm_device *dev, |
782 | void *data, struct drm_file *file_priv); |
783 | extern int drm_mode_hotplug_ioctl(struct drm_device *dev, |
784 | void *data, struct drm_file *file_priv); |
785 | extern int drm_mode_replacefb(struct drm_device *dev, |
786 | void *data, struct drm_file *file_priv); |
787 | extern int drm_mode_getencoder(struct drm_device *dev, |
788 | void *data, struct drm_file *file_priv); |
789 | extern int drm_mode_gamma_get_ioctl(struct drm_device *dev, |
790 | void *data, struct drm_file *file_priv); |
791 | extern int drm_mode_gamma_set_ioctl(struct drm_device *dev, |
792 | void *data, struct drm_file *file_priv); |
793 | extern bool drm_detect_hdmi_monitor(struct edid *edid); |
794 | extern int drm_mode_page_flip_ioctl(struct drm_device *dev, |
795 | void *data, struct drm_file *file_priv); |
796 | extern struct drm_display_mode *drm_cvt_mode(struct drm_device *dev, |
797 | int hdisplay, int vdisplay, int vrefresh, |
798 | bool reduced, bool interlaced, bool margins); |
799 | extern struct drm_display_mode *drm_gtf_mode(struct drm_device *dev, |
800 | int hdisplay, int vdisplay, int vrefresh, |
801 | bool interlaced, int margins); |
802 | extern int drm_add_modes_noedid(struct drm_connector *connector, |
803 | int hdisplay, int vdisplay); |
804 | |
805 | extern bool drm_edid_is_valid(struct edid *edid); |
806 | #endif /* __DRM_CRTC_H__ */ |
807 |
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