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cifs: use workqueue instead of slow-work
[linux-2.6-block.git] / include / drm / drm_crtc.h
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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>
eb1f8e4f 34#include <linux/slow-work.h>
f453ba04
DA		 35
36struct drm_device;
37struct drm_mode_set;
38struct drm_framebuffer;
39
40
41#define DRM_MODE_OBJECT_CRTC 0xcccccccc
42#define DRM_MODE_OBJECT_CONNECTOR 0xc0c0c0c0
43#define DRM_MODE_OBJECT_ENCODER 0xe0e0e0e0
44#define DRM_MODE_OBJECT_MODE 0xdededede
45#define DRM_MODE_OBJECT_PROPERTY 0xb0b0b0b0
46#define DRM_MODE_OBJECT_FB 0xfbfbfbfb
47#define DRM_MODE_OBJECT_BLOB 0xbbbbbbbb
48
49struct drm_mode_object {
50 uint32_t id;
51 uint32_t type;
52};
53
54/*
55 * Note on terminology: here, for brevity and convenience, we refer to connector
56 * control chips as 'CRTCs'. They can control any type of connector, VGA, LVDS,
57 * DVI, etc. And 'screen' refers to the whole of the visible display, which
58 * may span multiple monitors (and therefore multiple CRTC and connector
59 * structures).
60 */
61
62enum drm_mode_status {
63 MODE_OK = 0, /* Mode OK */
64 MODE_HSYNC, /* hsync out of range */
65 MODE_VSYNC, /* vsync out of range */
66 MODE_H_ILLEGAL, /* mode has illegal horizontal timings */
67 MODE_V_ILLEGAL, /* mode has illegal horizontal timings */
68 MODE_BAD_WIDTH, /* requires an unsupported linepitch */
69 MODE_NOMODE, /* no mode with a maching name */
70 MODE_NO_INTERLACE, /* interlaced mode not supported */
71 MODE_NO_DBLESCAN, /* doublescan mode not supported */
72 MODE_NO_VSCAN, /* multiscan mode not supported */
73 MODE_MEM, /* insufficient video memory */
74 MODE_VIRTUAL_X, /* mode width too large for specified virtual size */
75 MODE_VIRTUAL_Y, /* mode height too large for specified virtual size */
76 MODE_MEM_VIRT, /* insufficient video memory given virtual size */
77 MODE_NOCLOCK, /* no fixed clock available */
78 MODE_CLOCK_HIGH, /* clock required is too high */
79 MODE_CLOCK_LOW, /* clock required is too low */
80 MODE_CLOCK_RANGE, /* clock/mode isn't in a ClockRange */
81 MODE_BAD_HVALUE, /* horizontal timing was out of range */
82 MODE_BAD_VVALUE, /* vertical timing was out of range */
83 MODE_BAD_VSCAN, /* VScan value out of range */
84 MODE_HSYNC_NARROW, /* horizontal sync too narrow */
85 MODE_HSYNC_WIDE, /* horizontal sync too wide */
86 MODE_HBLANK_NARROW, /* horizontal blanking too narrow */
87 MODE_HBLANK_WIDE, /* horizontal blanking too wide */
88 MODE_VSYNC_NARROW, /* vertical sync too narrow */
89 MODE_VSYNC_WIDE, /* vertical sync too wide */
90 MODE_VBLANK_NARROW, /* vertical blanking too narrow */
91 MODE_VBLANK_WIDE, /* vertical blanking too wide */
92 MODE_PANEL, /* exceeds panel dimensions */
93 MODE_INTERLACE_WIDTH, /* width too large for interlaced mode */
94 MODE_ONE_WIDTH, /* only one width is supported */
95 MODE_ONE_HEIGHT, /* only one height is supported */
96 MODE_ONE_SIZE, /* only one resolution is supported */
97 MODE_NO_REDUCED, /* monitor doesn't accept reduced blanking */
98 MODE_UNVERIFIED = -3, /* mode needs to reverified */
99 MODE_BAD = -2, /* unspecified reason */
100 MODE_ERROR = -1 /* error condition */
101};
102
103#define DRM_MODE_TYPE_CLOCK_CRTC_C (DRM_MODE_TYPE_CLOCK_C | \
104 DRM_MODE_TYPE_CRTC_C)
105
106#define DRM_MODE(nm, t, c, hd, hss, hse, ht, hsk, vd, vss, vse, vt, vs, f) \
107 .name = nm, .status = 0, .type = (t), .clock = (c), \
108 .hdisplay = (hd), .hsync_start = (hss), .hsync_end = (hse), \
109 .htotal = (ht), .hskew = (hsk), .vdisplay = (vd), \
110 .vsync_start = (vss), .vsync_end = (vse), .vtotal = (vt), \
111 .vscan = (vs), .flags = (f), .vrefresh = 0
112
113#define CRTC_INTERLACE_HALVE_V 0x1 /* halve V values for interlacing */
114
115struct drm_display_mode {
116 /* Header */
117 struct list_head head;
118 struct drm_mode_object base;
119
120 char name[DRM_DISPLAY_MODE_LEN];
121
122 int connector_count;
123 enum drm_mode_status status;
124 int type;
125
126 /* Proposed mode values */
7ac96a9c 127 int clock; /* in kHz */
f453ba04
DA		 128 int hdisplay;
129 int hsync_start;
130 int hsync_end;
131 int htotal;
132 int hskew;
133 int vdisplay;
134 int vsync_start;
135 int vsync_end;
136 int vtotal;
137 int vscan;
138 unsigned int flags;
139
140 /* Addressable image size (may be 0 for projectors, etc.) */
141 int width_mm;
142 int height_mm;
143
144 /* Actual mode we give to hw */
145 int clock_index;
146 int synth_clock;
147 int crtc_hdisplay;
148 int crtc_hblank_start;
149 int crtc_hblank_end;
150 int crtc_hsync_start;
151 int crtc_hsync_end;
152 int crtc_htotal;
153 int crtc_hskew;
154 int crtc_vdisplay;
155 int crtc_vblank_start;
156 int crtc_vblank_end;
157 int crtc_vsync_start;
158 int crtc_vsync_end;
159 int crtc_vtotal;
160 int crtc_hadjusted;
161 int crtc_vadjusted;
162
163 /* Driver private mode info */
164 int private_size;
165 int *private;
166 int private_flags;
167
7ac96a9c
AJ		 168 int vrefresh; /* in Hz */
169 int hsync; /* in kHz */
f453ba04
DA		 170};
171
172enum drm_connector_status {
173 connector_status_connected = 1,
174 connector_status_disconnected = 2,
175 connector_status_unknown = 3,
176};
177
178enum subpixel_order {
179 SubPixelUnknown = 0,
180 SubPixelHorizontalRGB,
181 SubPixelHorizontalBGR,
182 SubPixelVerticalRGB,
183 SubPixelVerticalBGR,
184 SubPixelNone,
185};
186
187
188/*
189 * Describes a given display (e.g. CRT or flat panel) and its limitations.
190 */
191struct drm_display_info {
192 char name[DRM_DISPLAY_INFO_LEN];
193 /* Input info */
194 bool serration_vsync;
195 bool sync_on_green;
196 bool composite_sync;
197 bool separate_syncs;
198 bool blank_to_black;
199 unsigned char video_level;
200 bool digital;
201 /* Physical size */
202 unsigned int width_mm;
203 unsigned int height_mm;
204
205 /* Display parameters */
206 unsigned char gamma; /* FIXME: storage format */
207 bool gtf_supported;
208 bool standard_color;
209 enum {
210 monochrome = 0,
211 rgb,
212 other,
213 unknown,
214 } display_type;
215 bool active_off_supported;
216 bool suspend_supported;
217 bool standby_supported;
218
219 /* Color info FIXME: storage format */
220 unsigned short redx, redy;
221 unsigned short greenx, greeny;
222 unsigned short bluex, bluey;
223 unsigned short whitex, whitey;
224
225 /* Clock limits FIXME: storage format */
226 unsigned int min_vfreq, max_vfreq;
227 unsigned int min_hfreq, max_hfreq;
228 unsigned int pixel_clock;
229
230 /* White point indices FIXME: storage format */
231 unsigned int wpx1, wpy1;
232 unsigned int wpgamma1;
233 unsigned int wpx2, wpy2;
234 unsigned int wpgamma2;
235
236 enum subpixel_order subpixel_order;
237
238 char *raw_edid; /* if any */
239};
240
241struct drm_framebuffer_funcs {
242 void (*destroy)(struct drm_framebuffer *framebuffer);
243 int (*create_handle)(struct drm_framebuffer *fb,
244 struct drm_file *file_priv,
245 unsigned int *handle);
884840aa
JB		 246 /**
247 * Optinal callback for the dirty fb ioctl.
248 *
249 * Userspace can notify the driver via this callback
250 * that a area of the framebuffer has changed and should
251 * be flushed to the display hardware.
252 *
253 * See documentation in drm_mode.h for the struct
254 * drm_mode_fb_dirty_cmd for more information as all
255 * the semantics and arguments have a one to one mapping
256 * on this function.
257 */
258 int (*dirty)(struct drm_framebuffer *framebuffer, unsigned flags,
259 unsigned color, struct drm_clip_rect *clips,
260 unsigned num_clips);
f453ba04
DA		 261};
262
263struct drm_framebuffer {
264 struct drm_device *dev;
265 struct list_head head;
266 struct drm_mode_object base;
267 const struct drm_framebuffer_funcs *funcs;
268 unsigned int pitch;
269 unsigned int width;
270 unsigned int height;
271 /* depth can be 15 or 16 */
272 unsigned int depth;
273 int bits_per_pixel;
274 int flags;
f453ba04 275 struct list_head filp_head;
785b93ef
DA		 276 /* if you are using the helper */
277 void *helper_private;
f453ba04
DA		 278};
279
280struct drm_property_blob {
281 struct drm_mode_object base;
282 struct list_head head;
283 unsigned int length;
284 void *data;
285};
286
287struct drm_property_enum {
288 uint64_t value;
289 struct list_head head;
290 char name[DRM_PROP_NAME_LEN];
291};
292
293struct drm_property {
294 struct list_head head;
295 struct drm_mode_object base;
296 uint32_t flags;
297 char name[DRM_PROP_NAME_LEN];
298 uint32_t num_values;
299 uint64_t *values;
300
301 struct list_head enum_blob_list;
302};
303
304struct drm_crtc;
305struct drm_connector;
306struct drm_encoder;
d91d8a3f 307struct drm_pending_vblank_event;
f453ba04
DA		 308
309/**
310 * drm_crtc_funcs - control CRTCs for a given device
311 * @dpms: control display power levels
312 * @save: save CRTC state
313 * @resore: restore CRTC state
314 * @lock: lock the CRTC
315 * @unlock: unlock the CRTC
316 * @shadow_allocate: allocate shadow pixmap
317 * @shadow_create: create shadow pixmap for rotation support
318 * @shadow_destroy: free shadow pixmap
319 * @mode_fixup: fixup proposed mode
320 * @mode_set: set the desired mode on the CRTC
321 * @gamma_set: specify color ramp for CRTC
322 * @destroy: deinit and free object.
323 *
324 * The drm_crtc_funcs structure is the central CRTC management structure
325 * in the DRM. Each CRTC controls one or more connectors (note that the name
326 * CRTC is simply historical, a CRTC may control LVDS, VGA, DVI, TV out, etc.
327 * connectors, not just CRTs).
328 *
329 * Each driver is responsible for filling out this structure at startup time,
330 * in addition to providing other modesetting features, like i2c and DDC
331 * bus accessors.
332 */
333struct drm_crtc_funcs {
334 /* Save CRTC state */
335 void (*save)(struct drm_crtc *crtc); /* suspend? */
336 /* Restore CRTC state */
337 void (*restore)(struct drm_crtc *crtc); /* resume? */
338
339 /* cursor controls */
340 int (*cursor_set)(struct drm_crtc *crtc, struct drm_file *file_priv,
341 uint32_t handle, uint32_t width, uint32_t height);
342 int (*cursor_move)(struct drm_crtc *crtc, int x, int y);
343
344 /* Set gamma on the CRTC */
345 void (*gamma_set)(struct drm_crtc *crtc, u16 *r, u16 *g, u16 *b,
346 uint32_t size);
347 /* Object destroy routine */
348 void (*destroy)(struct drm_crtc *crtc);
349
350 int (*set_config)(struct drm_mode_set *set);
d91d8a3f
KH		 351
352 /*
353 * Flip to the given framebuffer. This implements the page
354 * flip ioctl descibed in drm_mode.h, specifically, the
355 * implementation must return immediately and block all
356 * rendering to the current fb until the flip has completed.
357 * If userspace set the event flag in the ioctl, the event
358 * argument will point to an event to send back when the flip
359 * completes, otherwise it will be NULL.
360 */
361 int (*page_flip)(struct drm_crtc *crtc,
362 struct drm_framebuffer *fb,
363 struct drm_pending_vblank_event *event);
f453ba04
DA		 364};
365
366/**
367 * drm_crtc - central CRTC control structure
368 * @enabled: is this CRTC enabled?
369 * @x: x position on screen
370 * @y: y position on screen
f453ba04
DA		 371 * @funcs: CRTC control functions
372 *
373 * Each CRTC may have one or more connectors associated with it. This structure
374 * allows the CRTC to be controlled.
375 */
376struct drm_crtc {
377 struct drm_device *dev;
378 struct list_head head;
379
380 struct drm_mode_object base;
381
382 /* framebuffer the connector is currently bound to */
383 struct drm_framebuffer *fb;
384
385 bool enabled;
386
387 struct drm_display_mode mode;
388
389 int x, y;
f453ba04
DA		 390 const struct drm_crtc_funcs *funcs;
391
392 /* CRTC gamma size for reporting to userspace */
393 uint32_t gamma_size;
394 uint16_t *gamma_store;
395
396 /* if you are using the helper */
397 void *helper_private;
398};
399
400
401/**
402 * drm_connector_funcs - control connectors on a given device
403 * @dpms: set power state (see drm_crtc_funcs above)
404 * @save: save connector state
405 * @restore: restore connector state
406 * @mode_valid: is this mode valid on the given connector?
407 * @mode_fixup: try to fixup proposed mode for this connector
408 * @mode_set: set this mode
409 * @detect: is this connector active?
410 * @get_modes: get mode list for this connector
411 * @set_property: property for this connector may need update
412 * @destroy: make object go away
d50ba256 413 * @force: notify the driver the connector is forced on
f453ba04
DA		 414 *
415 * Each CRTC may have one or more connectors attached to it. The functions
416 * below allow the core DRM code to control connectors, enumerate available modes,
417 * etc.
418 */
419struct drm_connector_funcs {
420 void (*dpms)(struct drm_connector *connector, int mode);
421 void (*save)(struct drm_connector *connector);
422 void (*restore)(struct drm_connector *connector);
423 enum drm_connector_status (*detect)(struct drm_connector *connector);
40a518d9 424 int (*fill_modes)(struct drm_connector *connector, uint32_t max_width, uint32_t max_height);
f453ba04
DA		 425 int (*set_property)(struct drm_connector *connector, struct drm_property *property,
426 uint64_t val);
427 void (*destroy)(struct drm_connector *connector);
d50ba256 428 void (*force)(struct drm_connector *connector);
f453ba04
DA		 429};
430
431struct drm_encoder_funcs {
432 void (*destroy)(struct drm_encoder *encoder);
433};
434
435#define DRM_CONNECTOR_MAX_UMODES 16
436#define DRM_CONNECTOR_MAX_PROPERTY 16
437#define DRM_CONNECTOR_LEN 32
438#define DRM_CONNECTOR_MAX_ENCODER 2
439
440/**
441 * drm_encoder - central DRM encoder structure
442 */
443struct drm_encoder {
444 struct drm_device *dev;
445 struct list_head head;
446
447 struct drm_mode_object base;
448 int encoder_type;
449 uint32_t possible_crtcs;
450 uint32_t possible_clones;
451
452 struct drm_crtc *crtc;
453 const struct drm_encoder_funcs *funcs;
454 void *helper_private;
455};
456
d50ba256
DA		 457enum drm_connector_force {
458 DRM_FORCE_UNSPECIFIED,
459 DRM_FORCE_OFF,
460 DRM_FORCE_ON, /* force on analog part normally */
461 DRM_FORCE_ON_DIGITAL, /* for DVI-I use digital connector */
462};
463
eb1f8e4f
DA		 464/* should we poll this connector for connects and disconnects */
465/* hot plug detectable */
466#define DRM_CONNECTOR_POLL_HPD (1 << 0)
467/* poll for connections */
468#define DRM_CONNECTOR_POLL_CONNECT (1 << 1)
469/* can cleanly poll for disconnections without flickering the screen */
470/* DACs should rarely do this without a lot of testing */
471#define DRM_CONNECTOR_POLL_DISCONNECT (1 << 2)
472
f453ba04
DA		 473/**
474 * drm_connector - central DRM connector control structure
475 * @crtc: CRTC this connector is currently connected to, NULL if none
476 * @interlace_allowed: can this connector handle interlaced modes?
477 * @doublescan_allowed: can this connector handle doublescan?
478 * @available_modes: modes available on this connector (from get_modes() + user)
479 * @initial_x: initial x position for this connector
480 * @initial_y: initial y position for this connector
481 * @status: connector connected?
482 * @funcs: connector control functions
483 *
484 * Each connector may be connected to one or more CRTCs, or may be clonable by
485 * another connector if they can share a CRTC. Each connector also has a specific
486 * position in the broader display (referred to as a 'screen' though it could
487 * span multiple monitors).
488 */
489struct drm_connector {
490 struct drm_device *dev;
491 struct device kdev;
492 struct device_attribute *attr;
493 struct list_head head;
494
495 struct drm_mode_object base;
496
497 int connector_type;
498 int connector_type_id;
499 bool interlace_allowed;
500 bool doublescan_allowed;
501 struct list_head modes; /* list of modes on this connector */
502
503 int initial_x, initial_y;
504 enum drm_connector_status status;
505
506 /* these are modes added by probing with DDC or the BIOS */
507 struct list_head probed_modes;
508
509 struct drm_display_info display_info;
510 const struct drm_connector_funcs *funcs;
511
512 struct list_head user_modes;
513 struct drm_property_blob *edid_blob_ptr;
514 u32 property_ids[DRM_CONNECTOR_MAX_PROPERTY];
515 uint64_t property_values[DRM_CONNECTOR_MAX_PROPERTY];
516
eb1f8e4f
DA		 517 uint8_t polled; /* DRM_CONNECTOR_POLL_* */
518
c9fb15f6
KP		 519 /* requested DPMS state */
520 int dpms;
521
f453ba04
DA		 522 void *helper_private;
523
d50ba256
DA		 524 /* forced on connector */
525 enum drm_connector_force force;
f453ba04
DA		 526 uint32_t encoder_ids[DRM_CONNECTOR_MAX_ENCODER];
527 uint32_t force_encoder_id;
528 struct drm_encoder *encoder; /* currently active encoder */
529};
530
531/**
532 * struct drm_mode_set
533 *
534 * Represents a single crtc the connectors that it drives with what mode
535 * and from which framebuffer it scans out from.
536 *
537 * This is used to set modes.
538 */
539struct drm_mode_set {
540 struct list_head head;
541
542 struct drm_framebuffer *fb;
543 struct drm_crtc *crtc;
544 struct drm_display_mode *mode;
545
546 uint32_t x;
547 uint32_t y;
548
549 struct drm_connector **connectors;
550 size_t num_connectors;
551};
552
553/**
554 * struct drm_mode_config_funcs - configure CRTCs for a given screen layout
f453ba04
DA		 555 */
556struct drm_mode_config_funcs {
f453ba04 557 struct drm_framebuffer *(*fb_create)(struct drm_device *dev, struct drm_file *file_priv, struct drm_mode_fb_cmd *mode_cmd);
eb1f8e4f 558 void (*output_poll_changed)(struct drm_device *dev);
f453ba04
DA		 559};
560
561struct drm_mode_group {
562 uint32_t num_crtcs;
563 uint32_t num_encoders;
564 uint32_t num_connectors;
565
566 /* list of object IDs for this group */
567 uint32_t *id_list;
568};
569
570/**
571 * drm_mode_config - Mode configuration control structure
572 *
573 */
574struct drm_mode_config {
ad2563c2
JB		 575 struct mutex mutex; /* protects configuration (mode lists etc.) */
576 struct mutex idr_mutex; /* for IDR management */
f453ba04
DA		 577 struct idr crtc_idr; /* use this idr for all IDs, fb, crtc, connector, modes - just makes life easier */
578 /* this is limited to one for now */
579 int num_fb;
580 struct list_head fb_list;
581 int num_connector;
582 struct list_head connector_list;
583 int num_encoder;
584 struct list_head encoder_list;
585
586 int num_crtc;
587 struct list_head crtc_list;
588
589 struct list_head property_list;
590
f453ba04
DA		 591 int min_width, min_height;
592 int max_width, max_height;
593 struct drm_mode_config_funcs *funcs;
d883f7f1 594 resource_size_t fb_base;
f453ba04 595
eb1f8e4f
DA		 596 /* output poll support */
597 bool poll_enabled;
598 struct delayed_slow_work output_poll_slow_work;
599
f453ba04
DA		 600 /* pointers to standard properties */
601 struct list_head property_blob_list;
602 struct drm_property *edid_property;
603 struct drm_property *dpms_property;
604
605 /* DVI-I properties */
606 struct drm_property *dvi_i_subconnector_property;
607 struct drm_property *dvi_i_select_subconnector_property;
608
609 /* TV properties */
610 struct drm_property *tv_subconnector_property;
611 struct drm_property *tv_select_subconnector_property;
612 struct drm_property *tv_mode_property;
613 struct drm_property *tv_left_margin_property;
614 struct drm_property *tv_right_margin_property;
615 struct drm_property *tv_top_margin_property;
616 struct drm_property *tv_bottom_margin_property;
b6b7902e
FJ		 617 struct drm_property *tv_brightness_property;
618 struct drm_property *tv_contrast_property;
619 struct drm_property *tv_flicker_reduction_property;
a75f0236
FJ		 620 struct drm_property *tv_overscan_property;
621 struct drm_property *tv_saturation_property;
622 struct drm_property *tv_hue_property;
f453ba04
DA		 623
624 /* Optional properties */
625 struct drm_property *scaling_mode_property;
626 struct drm_property *dithering_mode_property;
884840aa 627 struct drm_property *dirty_info_property;
f453ba04
DA		 628};
629
630#define obj_to_crtc(x) container_of(x, struct drm_crtc, base)
631#define obj_to_connector(x) container_of(x, struct drm_connector, base)
632#define obj_to_encoder(x) container_of(x, struct drm_encoder, base)
633#define obj_to_mode(x) container_of(x, struct drm_display_mode, base)
634#define obj_to_fb(x) container_of(x, struct drm_framebuffer, base)
635#define obj_to_property(x) container_of(x, struct drm_property, base)
636#define obj_to_blob(x) container_of(x, struct drm_property_blob, base)
637
638
639extern void drm_crtc_init(struct drm_device *dev,
640 struct drm_crtc *crtc,
641 const struct drm_crtc_funcs *funcs);
642extern void drm_crtc_cleanup(struct drm_crtc *crtc);
643
644extern void drm_connector_init(struct drm_device *dev,
645 struct drm_connector *connector,
646 const struct drm_connector_funcs *funcs,
647 int connector_type);
648
649extern void drm_connector_cleanup(struct drm_connector *connector);
650
651extern void drm_encoder_init(struct drm_device *dev,
652 struct drm_encoder *encoder,
653 const struct drm_encoder_funcs *funcs,
654 int encoder_type);
655
656extern void drm_encoder_cleanup(struct drm_encoder *encoder);
657
658extern char *drm_get_connector_name(struct drm_connector *connector);
659extern char *drm_get_dpms_name(int val);
660extern char *drm_get_dvi_i_subconnector_name(int val);
661extern char *drm_get_dvi_i_select_name(int val);
662extern char *drm_get_tv_subconnector_name(int val);
663extern char *drm_get_tv_select_name(int val);
ea39f835 664extern void drm_fb_release(struct drm_file *file_priv);
f453ba04
DA		 665extern int drm_mode_group_init_legacy_group(struct drm_device *dev, struct drm_mode_group *group);
666extern struct edid *drm_get_edid(struct drm_connector *connector,
667 struct i2c_adapter *adapter);
f453ba04
DA		 668extern int drm_add_edid_modes(struct drm_connector *connector, struct edid *edid);
669extern void drm_mode_probed_add(struct drm_connector *connector, struct drm_display_mode *mode);
670extern void drm_mode_remove(struct drm_connector *connector, struct drm_display_mode *mode);
671extern struct drm_display_mode *drm_mode_duplicate(struct drm_device *dev,
672 struct drm_display_mode *mode);
673extern void drm_mode_debug_printmodeline(struct drm_display_mode *mode);
674extern void drm_mode_config_init(struct drm_device *dev);
675extern void drm_mode_config_cleanup(struct drm_device *dev);
676extern void drm_mode_set_name(struct drm_display_mode *mode);
677extern bool drm_mode_equal(struct drm_display_mode *mode1, struct drm_display_mode *mode2);
678extern int drm_mode_width(struct drm_display_mode *mode);
679extern int drm_mode_height(struct drm_display_mode *mode);
680
681/* for us by fb module */
682extern int drm_mode_attachmode_crtc(struct drm_device *dev,
683 struct drm_crtc *crtc,
684 struct drm_display_mode *mode);
685extern int drm_mode_detachmode_crtc(struct drm_device *dev, struct drm_display_mode *mode);
686
687extern struct drm_display_mode *drm_mode_create(struct drm_device *dev);
688extern void drm_mode_destroy(struct drm_device *dev, struct drm_display_mode *mode);
689extern void drm_mode_list_concat(struct list_head *head,
690 struct list_head *new);
691extern void drm_mode_validate_size(struct drm_device *dev,
692 struct list_head *mode_list,
693 int maxX, int maxY, int maxPitch);
694extern void drm_mode_prune_invalid(struct drm_device *dev,
695 struct list_head *mode_list, bool verbose);
696extern void drm_mode_sort(struct list_head *mode_list);
7ac96a9c 697extern int drm_mode_hsync(struct drm_display_mode *mode);
f453ba04
DA		 698extern int drm_mode_vrefresh(struct drm_display_mode *mode);
699extern void drm_mode_set_crtcinfo(struct drm_display_mode *p,
700 int adjust_flags);
701extern void drm_mode_connector_list_update(struct drm_connector *connector);
702extern int drm_mode_connector_update_edid_property(struct drm_connector *connector,
703 struct edid *edid);
704extern int drm_connector_property_set_value(struct drm_connector *connector,
705 struct drm_property *property,
706 uint64_t value);
707extern int drm_connector_property_get_value(struct drm_connector *connector,
708 struct drm_property *property,
709 uint64_t *value);
710extern struct drm_display_mode *drm_crtc_mode_create(struct drm_device *dev);
711extern void drm_framebuffer_set_object(struct drm_device *dev,
712 unsigned long handle);
713extern int drm_framebuffer_init(struct drm_device *dev,
714 struct drm_framebuffer *fb,
715 const struct drm_framebuffer_funcs *funcs);
716extern void drm_framebuffer_cleanup(struct drm_framebuffer *fb);
717extern int drmfb_probe(struct drm_device *dev, struct drm_crtc *crtc);
718extern int drmfb_remove(struct drm_device *dev, struct drm_framebuffer *fb);
719extern void drm_crtc_probe_connector_modes(struct drm_device *dev, int maxX, int maxY);
720extern bool drm_crtc_in_use(struct drm_crtc *crtc);
721
722extern int drm_connector_attach_property(struct drm_connector *connector,
723 struct drm_property *property, uint64_t init_val);
724extern struct drm_property *drm_property_create(struct drm_device *dev, int flags,
725 const char *name, int num_values);
726extern void drm_property_destroy(struct drm_device *dev, struct drm_property *property);
727extern int drm_property_add_enum(struct drm_property *property, int index,
728 uint64_t value, const char *name);
729extern int drm_mode_create_dvi_i_properties(struct drm_device *dev);
730extern int drm_mode_create_tv_properties(struct drm_device *dev, int num_formats,
731 char *formats[]);
732extern int drm_mode_create_scaling_mode_property(struct drm_device *dev);
733extern int drm_mode_create_dithering_property(struct drm_device *dev);
884840aa 734extern int drm_mode_create_dirty_info_property(struct drm_device *dev);
f453ba04
DA		 735extern char *drm_get_encoder_name(struct drm_encoder *encoder);
736
737extern int drm_mode_connector_attach_encoder(struct drm_connector *connector,
738 struct drm_encoder *encoder);
739extern void drm_mode_connector_detach_encoder(struct drm_connector *connector,
740 struct drm_encoder *encoder);
741extern bool drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc,
742 int gamma_size);
7a9c9060
DV		 743extern struct drm_mode_object *drm_mode_object_find(struct drm_device *dev,
744 uint32_t id, uint32_t type);
f453ba04
DA		 745/* IOCTLs */
746extern int drm_mode_getresources(struct drm_device *dev,
747 void *data, struct drm_file *file_priv);
748
749extern int drm_mode_getcrtc(struct drm_device *dev,
750 void *data, struct drm_file *file_priv);
751extern int drm_mode_getconnector(struct drm_device *dev,
752 void *data, struct drm_file *file_priv);
753extern int drm_mode_setcrtc(struct drm_device *dev,
754 void *data, struct drm_file *file_priv);
755extern int drm_mode_cursor_ioctl(struct drm_device *dev,
756 void *data, struct drm_file *file_priv);
757extern int drm_mode_addfb(struct drm_device *dev,
758 void *data, struct drm_file *file_priv);
759extern int drm_mode_rmfb(struct drm_device *dev,
760 void *data, struct drm_file *file_priv);
761extern int drm_mode_getfb(struct drm_device *dev,
762 void *data, struct drm_file *file_priv);
884840aa
JB		 763extern int drm_mode_dirtyfb_ioctl(struct drm_device *dev,
764 void *data, struct drm_file *file_priv);
f453ba04
DA		 765extern int drm_mode_addmode_ioctl(struct drm_device *dev,
766 void *data, struct drm_file *file_priv);
767extern int drm_mode_rmmode_ioctl(struct drm_device *dev,
768 void *data, struct drm_file *file_priv);
769extern int drm_mode_attachmode_ioctl(struct drm_device *dev,
770 void *data, struct drm_file *file_priv);
771extern int drm_mode_detachmode_ioctl(struct drm_device *dev,
772 void *data, struct drm_file *file_priv);
773
774extern int drm_mode_getproperty_ioctl(struct drm_device *dev,
775 void *data, struct drm_file *file_priv);
776extern int drm_mode_getblob_ioctl(struct drm_device *dev,
777 void *data, struct drm_file *file_priv);
778extern int drm_mode_connector_property_set_ioctl(struct drm_device *dev,
779 void *data, struct drm_file *file_priv);
780extern int drm_mode_hotplug_ioctl(struct drm_device *dev,
781 void *data, struct drm_file *file_priv);
782extern int drm_mode_replacefb(struct drm_device *dev,
783 void *data, struct drm_file *file_priv);
784extern int drm_mode_getencoder(struct drm_device *dev,
785 void *data, struct drm_file *file_priv);
786extern int drm_mode_gamma_get_ioctl(struct drm_device *dev,
787 void *data, struct drm_file *file_priv);
788extern int drm_mode_gamma_set_ioctl(struct drm_device *dev,
789 void *data, struct drm_file *file_priv);
f23c20c8 790extern bool drm_detect_hdmi_monitor(struct edid *edid);
d91d8a3f
KH		 791extern int drm_mode_page_flip_ioctl(struct drm_device *dev,
792 void *data, struct drm_file *file_priv);
d782c3f9
ZY		 793extern struct drm_display_mode *drm_cvt_mode(struct drm_device *dev,
794 int hdisplay, int vdisplay, int vrefresh,
d50ba256 795 bool reduced, bool interlaced, bool margins);
26bbdada
ZY		 796extern struct drm_display_mode *drm_gtf_mode(struct drm_device *dev,
797 int hdisplay, int vdisplay, int vrefresh,
798 bool interlaced, int margins);
7a374350
AJ		 799extern struct drm_display_mode *drm_gtf_mode_complex(struct drm_device *dev,
800 int hdisplay, int vdisplay, int vrefresh,
801 bool interlaced, int margins, int GTF_M,
802 int GTF_2C, int GTF_K, int GTF_2J);
f0fda0a4
ZY		 803extern int drm_add_modes_noedid(struct drm_connector *connector,
804 int hdisplay, int vdisplay);
3c537889
AD		 805
806extern bool drm_edid_is_valid(struct edid *edid);
1d42bbc8
DA		 807struct drm_display_mode *drm_mode_find_dmt(struct drm_device *dev,
808 int hsize, int vsize, int fresh);
f453ba04 809#endif /* __DRM_CRTC_H__ */
Linux 6.x block layer and io_uring tree(s)