xref: /linux/include/drm/drm_crtc.h (revision 040932cdcfca9b0ac55a4f74f194c2e2c8a2527b)
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;
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;
168 	float hsync;
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 
247 struct drm_framebuffer {
248 	struct drm_device *dev;
249 	struct list_head head;
250 	struct drm_mode_object base;
251 	const struct drm_framebuffer_funcs *funcs;
252 	unsigned int pitch;
253 	unsigned int width;
254 	unsigned int height;
255 	/* depth can be 15 or 16 */
256 	unsigned int depth;
257 	int bits_per_pixel;
258 	int flags;
259 	void *fbdev;
260 	u32 pseudo_palette[17];
261 	struct list_head filp_head;
262 	/* if you are using the helper */
263 	void *helper_private;
264 };
265 
266 struct drm_property_blob {
267 	struct drm_mode_object base;
268 	struct list_head head;
269 	unsigned int length;
270 	void *data;
271 };
272 
273 struct drm_property_enum {
274 	uint64_t value;
275 	struct list_head head;
276 	char name[DRM_PROP_NAME_LEN];
277 };
278 
279 struct drm_property {
280 	struct list_head head;
281 	struct drm_mode_object base;
282 	uint32_t flags;
283 	char name[DRM_PROP_NAME_LEN];
284 	uint32_t num_values;
285 	uint64_t *values;
286 
287 	struct list_head enum_blob_list;
288 };
289 
290 struct drm_crtc;
291 struct drm_connector;
292 struct drm_encoder;
293 
294 /**
295  * drm_crtc_funcs - control CRTCs for a given device
296  * @dpms: control display power levels
297  * @save: save CRTC state
298  * @resore: restore CRTC state
299  * @lock: lock the CRTC
300  * @unlock: unlock the CRTC
301  * @shadow_allocate: allocate shadow pixmap
302  * @shadow_create: create shadow pixmap for rotation support
303  * @shadow_destroy: free shadow pixmap
304  * @mode_fixup: fixup proposed mode
305  * @mode_set: set the desired mode on the CRTC
306  * @gamma_set: specify color ramp for CRTC
307  * @destroy: deinit and free object.
308  *
309  * The drm_crtc_funcs structure is the central CRTC management structure
310  * in the DRM.  Each CRTC controls one or more connectors (note that the name
311  * CRTC is simply historical, a CRTC may control LVDS, VGA, DVI, TV out, etc.
312  * connectors, not just CRTs).
313  *
314  * Each driver is responsible for filling out this structure at startup time,
315  * in addition to providing other modesetting features, like i2c and DDC
316  * bus accessors.
317  */
318 struct drm_crtc_funcs {
319 	/* Save CRTC state */
320 	void (*save)(struct drm_crtc *crtc); /* suspend? */
321 	/* Restore CRTC state */
322 	void (*restore)(struct drm_crtc *crtc); /* resume? */
323 
324 	/* cursor controls */
325 	int (*cursor_set)(struct drm_crtc *crtc, struct drm_file *file_priv,
326 			  uint32_t handle, uint32_t width, uint32_t height);
327 	int (*cursor_move)(struct drm_crtc *crtc, int x, int y);
328 
329 	/* Set gamma on the CRTC */
330 	void (*gamma_set)(struct drm_crtc *crtc, u16 *r, u16 *g, u16 *b,
331 			  uint32_t size);
332 	/* Object destroy routine */
333 	void (*destroy)(struct drm_crtc *crtc);
334 
335 	int (*set_config)(struct drm_mode_set *set);
336 };
337 
338 /**
339  * drm_crtc - central CRTC control structure
340  * @enabled: is this CRTC enabled?
341  * @x: x position on screen
342  * @y: y position on screen
343  * @desired_mode: new desired mode
344  * @desired_x: desired x for desired_mode
345  * @desired_y: desired y for desired_mode
346  * @funcs: CRTC control functions
347  *
348  * Each CRTC may have one or more connectors associated with it.  This structure
349  * allows the CRTC to be controlled.
350  */
351 struct drm_crtc {
352 	struct drm_device *dev;
353 	struct list_head head;
354 
355 	struct drm_mode_object base;
356 
357 	/* framebuffer the connector is currently bound to */
358 	struct drm_framebuffer *fb;
359 
360 	bool enabled;
361 
362 	struct drm_display_mode mode;
363 
364 	int x, y;
365 	struct drm_display_mode *desired_mode;
366 	int desired_x, desired_y;
367 	const struct drm_crtc_funcs *funcs;
368 
369 	/* CRTC gamma size for reporting to userspace */
370 	uint32_t gamma_size;
371 	uint16_t *gamma_store;
372 
373 	/* if you are using the helper */
374 	void *helper_private;
375 };
376 
377 
378 /**
379  * drm_connector_funcs - control connectors on a given device
380  * @dpms: set power state (see drm_crtc_funcs above)
381  * @save: save connector state
382  * @restore: restore connector state
383  * @mode_valid: is this mode valid on the given connector?
384  * @mode_fixup: try to fixup proposed mode for this connector
385  * @mode_set: set this mode
386  * @detect: is this connector active?
387  * @get_modes: get mode list for this connector
388  * @set_property: property for this connector may need update
389  * @destroy: make object go away
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);
399 	enum drm_connector_status (*detect)(struct drm_connector *connector);
400 	int (*fill_modes)(struct drm_connector *connector, uint32_t max_width, uint32_t max_height);
401 	int (*set_property)(struct drm_connector *connector, struct drm_property *property,
402 			     uint64_t val);
403 	void (*destroy)(struct drm_connector *connector);
404 };
405 
406 struct drm_encoder_funcs {
407 	void (*destroy)(struct drm_encoder *encoder);
408 };
409 
410 #define DRM_CONNECTOR_MAX_UMODES 16
411 #define DRM_CONNECTOR_MAX_PROPERTY 16
412 #define DRM_CONNECTOR_LEN 32
413 #define DRM_CONNECTOR_MAX_ENCODER 2
414 
415 /**
416  * drm_encoder - central DRM encoder structure
417  */
418 struct drm_encoder {
419 	struct drm_device *dev;
420 	struct list_head head;
421 
422 	struct drm_mode_object base;
423 	int encoder_type;
424 	uint32_t possible_crtcs;
425 	uint32_t possible_clones;
426 
427 	struct drm_crtc *crtc;
428 	const struct drm_encoder_funcs *funcs;
429 	void *helper_private;
430 };
431 
432 /**
433  * drm_connector - central DRM connector control structure
434  * @crtc: CRTC this connector is currently connected to, NULL if none
435  * @interlace_allowed: can this connector handle interlaced modes?
436  * @doublescan_allowed: can this connector handle doublescan?
437  * @available_modes: modes available on this connector (from get_modes() + user)
438  * @initial_x: initial x position for this connector
439  * @initial_y: initial y position for this connector
440  * @status: connector connected?
441  * @funcs: connector control functions
442  *
443  * Each connector may be connected to one or more CRTCs, or may be clonable by
444  * another connector if they can share a CRTC.  Each connector also has a specific
445  * position in the broader display (referred to as a 'screen' though it could
446  * span multiple monitors).
447  */
448 struct drm_connector {
449 	struct drm_device *dev;
450 	struct device kdev;
451 	struct device_attribute *attr;
452 	struct list_head head;
453 
454 	struct drm_mode_object base;
455 
456 	int connector_type;
457 	int connector_type_id;
458 	bool interlace_allowed;
459 	bool doublescan_allowed;
460 	struct list_head modes; /* list of modes on this connector */
461 
462 	int initial_x, initial_y;
463 	enum drm_connector_status status;
464 
465 	/* these are modes added by probing with DDC or the BIOS */
466 	struct list_head probed_modes;
467 
468 	struct drm_display_info display_info;
469 	const struct drm_connector_funcs *funcs;
470 
471 	struct list_head user_modes;
472 	struct drm_property_blob *edid_blob_ptr;
473 	u32 property_ids[DRM_CONNECTOR_MAX_PROPERTY];
474 	uint64_t property_values[DRM_CONNECTOR_MAX_PROPERTY];
475 
476 	/* requested DPMS state */
477 	int dpms;
478 
479 	void *helper_private;
480 
481 	uint32_t encoder_ids[DRM_CONNECTOR_MAX_ENCODER];
482 	uint32_t force_encoder_id;
483 	struct drm_encoder *encoder; /* currently active encoder */
484 };
485 
486 /**
487  * struct drm_mode_set
488  *
489  * Represents a single crtc the connectors that it drives with what mode
490  * and from which framebuffer it scans out from.
491  *
492  * This is used to set modes.
493  */
494 struct drm_mode_set {
495 	struct list_head head;
496 
497 	struct drm_framebuffer *fb;
498 	struct drm_crtc *crtc;
499 	struct drm_display_mode *mode;
500 
501 	uint32_t x;
502 	uint32_t y;
503 
504 	struct drm_connector **connectors;
505 	size_t num_connectors;
506 };
507 
508 /**
509  * struct drm_mode_config_funcs - configure CRTCs for a given screen layout
510  * @resize: adjust CRTCs as necessary for the proposed layout
511  *
512  * Currently only a resize hook is available.  DRM will call back into the
513  * driver with a new screen width and height.  If the driver can't support
514  * the proposed size, it can return false.  Otherwise it should adjust
515  * the CRTC<->connector mappings as needed and update its view of the screen.
516  */
517 struct drm_mode_config_funcs {
518 	struct drm_framebuffer *(*fb_create)(struct drm_device *dev, struct drm_file *file_priv, struct drm_mode_fb_cmd *mode_cmd);
519 	int (*fb_changed)(struct drm_device *dev);
520 };
521 
522 struct drm_mode_group {
523 	uint32_t num_crtcs;
524 	uint32_t num_encoders;
525 	uint32_t num_connectors;
526 
527 	/* list of object IDs for this group */
528 	uint32_t *id_list;
529 };
530 
531 /**
532  * drm_mode_config - Mode configuration control structure
533  *
534  */
535 struct drm_mode_config {
536 	struct mutex mutex; /* protects configuration (mode lists etc.) */
537 	struct mutex idr_mutex; /* for IDR management */
538 	struct idr crtc_idr; /* use this idr for all IDs, fb, crtc, connector, modes - just makes life easier */
539 	/* this is limited to one for now */
540 	int num_fb;
541 	struct list_head fb_list;
542 	int num_connector;
543 	struct list_head connector_list;
544 	int num_encoder;
545 	struct list_head encoder_list;
546 
547 	int num_crtc;
548 	struct list_head crtc_list;
549 
550 	struct list_head property_list;
551 
552 	/* in-kernel framebuffers - hung of filp_head in drm_framebuffer */
553 	struct list_head fb_kernel_list;
554 
555 	int min_width, min_height;
556 	int max_width, max_height;
557 	struct drm_mode_config_funcs *funcs;
558 	resource_size_t fb_base;
559 
560 	/* pointers to standard properties */
561 	struct list_head property_blob_list;
562 	struct drm_property *edid_property;
563 	struct drm_property *dpms_property;
564 
565 	/* DVI-I properties */
566 	struct drm_property *dvi_i_subconnector_property;
567 	struct drm_property *dvi_i_select_subconnector_property;
568 
569 	/* TV properties */
570 	struct drm_property *tv_subconnector_property;
571 	struct drm_property *tv_select_subconnector_property;
572 	struct drm_property *tv_mode_property;
573 	struct drm_property *tv_left_margin_property;
574 	struct drm_property *tv_right_margin_property;
575 	struct drm_property *tv_top_margin_property;
576 	struct drm_property *tv_bottom_margin_property;
577 	struct drm_property *tv_brightness_property;
578 	struct drm_property *tv_contrast_property;
579 	struct drm_property *tv_flicker_reduction_property;
580 	struct drm_property *tv_overscan_property;
581 	struct drm_property *tv_saturation_property;
582 	struct drm_property *tv_hue_property;
583 
584 	/* Optional properties */
585 	struct drm_property *scaling_mode_property;
586 	struct drm_property *dithering_mode_property;
587 };
588 
589 #define obj_to_crtc(x) container_of(x, struct drm_crtc, base)
590 #define obj_to_connector(x) container_of(x, struct drm_connector, base)
591 #define obj_to_encoder(x) container_of(x, struct drm_encoder, base)
592 #define obj_to_mode(x) container_of(x, struct drm_display_mode, base)
593 #define obj_to_fb(x) container_of(x, struct drm_framebuffer, base)
594 #define obj_to_property(x) container_of(x, struct drm_property, base)
595 #define obj_to_blob(x) container_of(x, struct drm_property_blob, base)
596 
597 
598 extern void drm_crtc_init(struct drm_device *dev,
599 			  struct drm_crtc *crtc,
600 			  const struct drm_crtc_funcs *funcs);
601 extern void drm_crtc_cleanup(struct drm_crtc *crtc);
602 
603 extern void drm_connector_init(struct drm_device *dev,
604 			    struct drm_connector *connector,
605 			    const struct drm_connector_funcs *funcs,
606 			    int connector_type);
607 
608 extern void drm_connector_cleanup(struct drm_connector *connector);
609 
610 extern void drm_encoder_init(struct drm_device *dev,
611 			     struct drm_encoder *encoder,
612 			     const struct drm_encoder_funcs *funcs,
613 			     int encoder_type);
614 
615 extern void drm_encoder_cleanup(struct drm_encoder *encoder);
616 
617 extern char *drm_get_connector_name(struct drm_connector *connector);
618 extern char *drm_get_dpms_name(int val);
619 extern char *drm_get_dvi_i_subconnector_name(int val);
620 extern char *drm_get_dvi_i_select_name(int val);
621 extern char *drm_get_tv_subconnector_name(int val);
622 extern char *drm_get_tv_select_name(int val);
623 extern void drm_fb_release(struct drm_file *file_priv);
624 extern int drm_mode_group_init_legacy_group(struct drm_device *dev, struct drm_mode_group *group);
625 extern struct edid *drm_get_edid(struct drm_connector *connector,
626 				 struct i2c_adapter *adapter);
627 extern int drm_do_probe_ddc_edid(struct i2c_adapter *adapter,
628 				 unsigned char *buf, int len);
629 extern int drm_add_edid_modes(struct drm_connector *connector, struct edid *edid);
630 extern void drm_mode_probed_add(struct drm_connector *connector, struct drm_display_mode *mode);
631 extern void drm_mode_remove(struct drm_connector *connector, struct drm_display_mode *mode);
632 extern struct drm_display_mode *drm_mode_duplicate(struct drm_device *dev,
633 						   struct drm_display_mode *mode);
634 extern void drm_mode_debug_printmodeline(struct drm_display_mode *mode);
635 extern void drm_mode_config_init(struct drm_device *dev);
636 extern void drm_mode_config_cleanup(struct drm_device *dev);
637 extern void drm_mode_set_name(struct drm_display_mode *mode);
638 extern bool drm_mode_equal(struct drm_display_mode *mode1, struct drm_display_mode *mode2);
639 extern int drm_mode_width(struct drm_display_mode *mode);
640 extern int drm_mode_height(struct drm_display_mode *mode);
641 
642 /* for us by fb module */
643 extern int drm_mode_attachmode_crtc(struct drm_device *dev,
644 				    struct drm_crtc *crtc,
645 				    struct drm_display_mode *mode);
646 extern int drm_mode_detachmode_crtc(struct drm_device *dev, struct drm_display_mode *mode);
647 
648 extern struct drm_display_mode *drm_mode_create(struct drm_device *dev);
649 extern void drm_mode_destroy(struct drm_device *dev, struct drm_display_mode *mode);
650 extern void drm_mode_list_concat(struct list_head *head,
651 				 struct list_head *new);
652 extern void drm_mode_validate_size(struct drm_device *dev,
653 				   struct list_head *mode_list,
654 				   int maxX, int maxY, int maxPitch);
655 extern void drm_mode_prune_invalid(struct drm_device *dev,
656 				   struct list_head *mode_list, bool verbose);
657 extern void drm_mode_sort(struct list_head *mode_list);
658 extern int drm_mode_vrefresh(struct drm_display_mode *mode);
659 extern void drm_mode_set_crtcinfo(struct drm_display_mode *p,
660 				  int adjust_flags);
661 extern void drm_mode_connector_list_update(struct drm_connector *connector);
662 extern int drm_mode_connector_update_edid_property(struct drm_connector *connector,
663 						struct edid *edid);
664 extern int drm_connector_property_set_value(struct drm_connector *connector,
665 					 struct drm_property *property,
666 					 uint64_t value);
667 extern int drm_connector_property_get_value(struct drm_connector *connector,
668 					 struct drm_property *property,
669 					 uint64_t *value);
670 extern struct drm_display_mode *drm_crtc_mode_create(struct drm_device *dev);
671 extern void drm_framebuffer_set_object(struct drm_device *dev,
672 				       unsigned long handle);
673 extern int drm_framebuffer_init(struct drm_device *dev,
674 				struct drm_framebuffer *fb,
675 				const struct drm_framebuffer_funcs *funcs);
676 extern void drm_framebuffer_cleanup(struct drm_framebuffer *fb);
677 extern int drmfb_probe(struct drm_device *dev, struct drm_crtc *crtc);
678 extern int drmfb_remove(struct drm_device *dev, struct drm_framebuffer *fb);
679 extern void drm_crtc_probe_connector_modes(struct drm_device *dev, int maxX, int maxY);
680 extern bool drm_crtc_in_use(struct drm_crtc *crtc);
681 
682 extern int drm_connector_attach_property(struct drm_connector *connector,
683 				      struct drm_property *property, uint64_t init_val);
684 extern struct drm_property *drm_property_create(struct drm_device *dev, int flags,
685 						const char *name, int num_values);
686 extern void drm_property_destroy(struct drm_device *dev, struct drm_property *property);
687 extern int drm_property_add_enum(struct drm_property *property, int index,
688 				 uint64_t value, const char *name);
689 extern int drm_mode_create_dvi_i_properties(struct drm_device *dev);
690 extern int drm_mode_create_tv_properties(struct drm_device *dev, int num_formats,
691 				     char *formats[]);
692 extern int drm_mode_create_scaling_mode_property(struct drm_device *dev);
693 extern int drm_mode_create_dithering_property(struct drm_device *dev);
694 extern char *drm_get_encoder_name(struct drm_encoder *encoder);
695 
696 extern int drm_mode_connector_attach_encoder(struct drm_connector *connector,
697 					     struct drm_encoder *encoder);
698 extern void drm_mode_connector_detach_encoder(struct drm_connector *connector,
699 					   struct drm_encoder *encoder);
700 extern bool drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc,
701 					 int gamma_size);
702 extern void *drm_mode_object_find(struct drm_device *dev, uint32_t id, uint32_t type);
703 /* IOCTLs */
704 extern int drm_mode_getresources(struct drm_device *dev,
705 				 void *data, struct drm_file *file_priv);
706 
707 extern int drm_mode_getcrtc(struct drm_device *dev,
708 			    void *data, struct drm_file *file_priv);
709 extern int drm_mode_getconnector(struct drm_device *dev,
710 			      void *data, struct drm_file *file_priv);
711 extern int drm_mode_setcrtc(struct drm_device *dev,
712 			    void *data, struct drm_file *file_priv);
713 extern int drm_mode_cursor_ioctl(struct drm_device *dev,
714 				void *data, struct drm_file *file_priv);
715 extern int drm_mode_addfb(struct drm_device *dev,
716 			  void *data, struct drm_file *file_priv);
717 extern int drm_mode_rmfb(struct drm_device *dev,
718 			 void *data, struct drm_file *file_priv);
719 extern int drm_mode_getfb(struct drm_device *dev,
720 			  void *data, struct drm_file *file_priv);
721 extern int drm_mode_addmode_ioctl(struct drm_device *dev,
722 				  void *data, struct drm_file *file_priv);
723 extern int drm_mode_rmmode_ioctl(struct drm_device *dev,
724 				 void *data, struct drm_file *file_priv);
725 extern int drm_mode_attachmode_ioctl(struct drm_device *dev,
726 				     void *data, struct drm_file *file_priv);
727 extern int drm_mode_detachmode_ioctl(struct drm_device *dev,
728 				     void *data, struct drm_file *file_priv);
729 
730 extern int drm_mode_getproperty_ioctl(struct drm_device *dev,
731 				      void *data, struct drm_file *file_priv);
732 extern int drm_mode_getblob_ioctl(struct drm_device *dev,
733 				  void *data, struct drm_file *file_priv);
734 extern int drm_mode_connector_property_set_ioctl(struct drm_device *dev,
735 					      void *data, struct drm_file *file_priv);
736 extern int drm_mode_hotplug_ioctl(struct drm_device *dev,
737 				  void *data, struct drm_file *file_priv);
738 extern int drm_mode_replacefb(struct drm_device *dev,
739 			      void *data, struct drm_file *file_priv);
740 extern int drm_mode_getencoder(struct drm_device *dev,
741 			       void *data, struct drm_file *file_priv);
742 extern int drm_mode_gamma_get_ioctl(struct drm_device *dev,
743 				    void *data, struct drm_file *file_priv);
744 extern int drm_mode_gamma_set_ioctl(struct drm_device *dev,
745 				    void *data, struct drm_file *file_priv);
746 extern bool drm_detect_hdmi_monitor(struct edid *edid);
747 extern struct drm_display_mode *drm_cvt_mode(struct drm_device *dev,
748 				int hdisplay, int vdisplay, int vrefresh,
749 				bool reduced, bool interlaced);
750 extern struct drm_display_mode *drm_gtf_mode(struct drm_device *dev,
751 				int hdisplay, int vdisplay, int vrefresh,
752 				bool interlaced, int margins);
753 extern int drm_add_modes_noedid(struct drm_connector *connector,
754 				int hdisplay, int vdisplay);
755 #endif /* __DRM_CRTC_H__ */
756