2 * Copyright © 2006 Keith Packard
3 * Copyright © 2007-2008 Dave Airlie
4 * Copyright © 2007-2008 Intel Corporation
5 * Jesse Barnes <jesse.barnes@intel.com>
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:
14 * The above copyright notice and this permission notice shall be included in
15 * all copies or substantial portions of the Software.
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.
25 #ifndef __DRM_CRTC_H__
26 #define __DRM_CRTC_H__
28 #include <linux/i2c.h>
29 #include <linux/spinlock.h>
30 #include <linux/types.h>
31 #include <linux/idr.h>
37 struct drm_framebuffer;
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
48 struct drm_mode_object {
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
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 matching 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 */
102 #define DRM_MODE_TYPE_CLOCK_CRTC_C (DRM_MODE_TYPE_CLOCK_C | \
103 DRM_MODE_TYPE_CRTC_C)
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
112 #define CRTC_INTERLACE_HALVE_V 0x1 /* halve V values for interlacing */
114 struct drm_display_mode {
116 struct list_head head;
117 struct drm_mode_object base;
119 char name[DRM_DISPLAY_MODE_LEN];
122 enum drm_mode_status status;
125 /* Proposed mode values */
126 int clock; /* in kHz */
139 /* Addressable image size (may be 0 for projectors, etc.) */
143 /* Actual mode we give to hw */
147 int crtc_hblank_start;
149 int crtc_hsync_start;
154 int crtc_vblank_start;
156 int crtc_vsync_start;
162 /* Driver private mode info */
167 int vrefresh; /* in Hz */
168 int hsync; /* in kHz */
171 enum drm_connector_status {
172 connector_status_connected = 1,
173 connector_status_disconnected = 2,
174 connector_status_unknown = 3,
177 enum subpixel_order {
179 SubPixelHorizontalRGB,
180 SubPixelHorizontalBGR,
186 #define DRM_COLOR_FORMAT_RGB444 (1<<0)
187 #define DRM_COLOR_FORMAT_YCRCB444 (1<<1)
188 #define DRM_COLOR_FORMAT_YCRCB422 (1<<2)
190 * Describes a given display (e.g. CRT or flat panel) and its limitations.
192 struct drm_display_info {
193 char name[DRM_DISPLAY_INFO_LEN];
196 unsigned int width_mm;
197 unsigned int height_mm;
199 /* Clock limits FIXME: storage format */
200 unsigned int min_vfreq, max_vfreq;
201 unsigned int min_hfreq, max_hfreq;
202 unsigned int pixel_clock;
205 enum subpixel_order subpixel_order;
208 char *raw_edid; /* if any */
211 struct drm_framebuffer_funcs {
212 void (*destroy)(struct drm_framebuffer *framebuffer);
213 int (*create_handle)(struct drm_framebuffer *fb,
214 struct drm_file *file_priv,
215 unsigned int *handle);
217 * Optinal callback for the dirty fb ioctl.
219 * Userspace can notify the driver via this callback
220 * that a area of the framebuffer has changed and should
221 * be flushed to the display hardware.
223 * See documentation in drm_mode.h for the struct
224 * drm_mode_fb_dirty_cmd for more information as all
225 * the semantics and arguments have a one to one mapping
228 int (*dirty)(struct drm_framebuffer *framebuffer,
229 struct drm_file *file_priv, unsigned flags,
230 unsigned color, struct drm_clip_rect *clips,
234 struct drm_framebuffer {
235 struct drm_device *dev;
236 struct list_head head;
237 struct drm_mode_object base;
238 const struct drm_framebuffer_funcs *funcs;
242 /* depth can be 15 or 16 */
246 struct list_head filp_head;
247 /* if you are using the helper */
248 void *helper_private;
251 struct drm_property_blob {
252 struct drm_mode_object base;
253 struct list_head head;
258 struct drm_property_enum {
260 struct list_head head;
261 char name[DRM_PROP_NAME_LEN];
264 struct drm_property {
265 struct list_head head;
266 struct drm_mode_object base;
268 char name[DRM_PROP_NAME_LEN];
272 struct list_head enum_blob_list;
276 struct drm_connector;
278 struct drm_pending_vblank_event;
281 * drm_crtc_funcs - control CRTCs for a given device
282 * @reset: reset CRTC after state has been invalidate (e.g. resume)
283 * @dpms: control display power levels
284 * @save: save CRTC state
285 * @resore: restore CRTC state
286 * @lock: lock the CRTC
287 * @unlock: unlock the CRTC
288 * @shadow_allocate: allocate shadow pixmap
289 * @shadow_create: create shadow pixmap for rotation support
290 * @shadow_destroy: free shadow pixmap
291 * @mode_fixup: fixup proposed mode
292 * @mode_set: set the desired mode on the CRTC
293 * @gamma_set: specify color ramp for CRTC
294 * @destroy: deinit and free object.
296 * The drm_crtc_funcs structure is the central CRTC management structure
297 * in the DRM. Each CRTC controls one or more connectors (note that the name
298 * CRTC is simply historical, a CRTC may control LVDS, VGA, DVI, TV out, etc.
299 * connectors, not just CRTs).
301 * Each driver is responsible for filling out this structure at startup time,
302 * in addition to providing other modesetting features, like i2c and DDC
305 struct drm_crtc_funcs {
306 /* Save CRTC state */
307 void (*save)(struct drm_crtc *crtc); /* suspend? */
308 /* Restore CRTC state */
309 void (*restore)(struct drm_crtc *crtc); /* resume? */
310 /* Reset CRTC state */
311 void (*reset)(struct drm_crtc *crtc);
313 /* cursor controls */
314 int (*cursor_set)(struct drm_crtc *crtc, struct drm_file *file_priv,
315 uint32_t handle, uint32_t width, uint32_t height);
316 int (*cursor_move)(struct drm_crtc *crtc, int x, int y);
318 /* Set gamma on the CRTC */
319 void (*gamma_set)(struct drm_crtc *crtc, u16 *r, u16 *g, u16 *b,
320 uint32_t start, uint32_t size);
321 /* Object destroy routine */
322 void (*destroy)(struct drm_crtc *crtc);
324 int (*set_config)(struct drm_mode_set *set);
327 * Flip to the given framebuffer. This implements the page
328 * flip ioctl described in drm_mode.h, specifically, the
329 * implementation must return immediately and block all
330 * rendering to the current fb until the flip has completed.
331 * If userspace set the event flag in the ioctl, the event
332 * argument will point to an event to send back when the flip
333 * completes, otherwise it will be NULL.
335 int (*page_flip)(struct drm_crtc *crtc,
336 struct drm_framebuffer *fb,
337 struct drm_pending_vblank_event *event);
341 * drm_crtc - central CRTC control structure
342 * @enabled: is this CRTC enabled?
343 * @x: x position on screen
344 * @y: y position on screen
345 * @funcs: CRTC control functions
347 * Each CRTC may have one or more connectors associated with it. This structure
348 * allows the CRTC to be controlled.
351 struct drm_device *dev;
352 struct list_head head;
354 struct drm_mode_object base;
356 /* framebuffer the connector is currently bound to */
357 struct drm_framebuffer *fb;
361 /* Requested mode from modesetting. */
362 struct drm_display_mode mode;
364 /* Programmed mode in hw, after adjustments for encoders,
365 * crtc, panel scaling etc. Needed for timestamping etc.
367 struct drm_display_mode hwmode;
370 const struct drm_crtc_funcs *funcs;
372 /* CRTC gamma size for reporting to userspace */
374 uint16_t *gamma_store;
376 /* Constants needed for precise vblank and swap timestamping. */
377 s64 framedur_ns, linedur_ns, pixeldur_ns;
379 /* if you are using the helper */
380 void *helper_private;
385 * drm_connector_funcs - control connectors on a given device
386 * @dpms: set power state (see drm_crtc_funcs above)
387 * @save: save connector state
388 * @restore: restore connector state
389 * @reset: reset connector after state has been invalidate (e.g. resume)
390 * @mode_valid: is this mode valid on the given connector?
391 * @mode_fixup: try to fixup proposed mode for this connector
392 * @mode_set: set this mode
393 * @detect: is this connector active?
394 * @get_modes: get mode list for this connector
395 * @set_property: property for this connector may need update
396 * @destroy: make object go away
397 * @force: notify the driver the connector is forced on
399 * Each CRTC may have one or more connectors attached to it. The functions
400 * below allow the core DRM code to control connectors, enumerate available modes,
403 struct drm_connector_funcs {
404 void (*dpms)(struct drm_connector *connector, int mode);
405 void (*save)(struct drm_connector *connector);
406 void (*restore)(struct drm_connector *connector);
407 void (*reset)(struct drm_connector *connector);
409 /* Check to see if anything is attached to the connector.
410 * @force is set to false whilst polling, true when checking the
411 * connector due to user request. @force can be used by the driver
412 * to avoid expensive, destructive operations during automated
415 enum drm_connector_status (*detect)(struct drm_connector *connector,
417 int (*fill_modes)(struct drm_connector *connector, uint32_t max_width, uint32_t max_height);
418 int (*set_property)(struct drm_connector *connector, struct drm_property *property,
420 void (*destroy)(struct drm_connector *connector);
421 void (*force)(struct drm_connector *connector);
424 struct drm_encoder_funcs {
425 void (*reset)(struct drm_encoder *encoder);
426 void (*destroy)(struct drm_encoder *encoder);
429 #define DRM_CONNECTOR_MAX_UMODES 16
430 #define DRM_CONNECTOR_MAX_PROPERTY 16
431 #define DRM_CONNECTOR_LEN 32
432 #define DRM_CONNECTOR_MAX_ENCODER 2
435 * drm_encoder - central DRM encoder structure
438 struct drm_device *dev;
439 struct list_head head;
441 struct drm_mode_object base;
443 uint32_t possible_crtcs;
444 uint32_t possible_clones;
446 struct drm_crtc *crtc;
447 const struct drm_encoder_funcs *funcs;
448 void *helper_private;
451 enum drm_connector_force {
452 DRM_FORCE_UNSPECIFIED,
454 DRM_FORCE_ON, /* force on analog part normally */
455 DRM_FORCE_ON_DIGITAL, /* for DVI-I use digital connector */
458 /* should we poll this connector for connects and disconnects */
459 /* hot plug detectable */
460 #define DRM_CONNECTOR_POLL_HPD (1 << 0)
461 /* poll for connections */
462 #define DRM_CONNECTOR_POLL_CONNECT (1 << 1)
463 /* can cleanly poll for disconnections without flickering the screen */
464 /* DACs should rarely do this without a lot of testing */
465 #define DRM_CONNECTOR_POLL_DISCONNECT (1 << 2)
468 * drm_connector - central DRM connector control structure
469 * @crtc: CRTC this connector is currently connected to, NULL if none
470 * @interlace_allowed: can this connector handle interlaced modes?
471 * @doublescan_allowed: can this connector handle doublescan?
472 * @available_modes: modes available on this connector (from get_modes() + user)
473 * @initial_x: initial x position for this connector
474 * @initial_y: initial y position for this connector
475 * @status: connector connected?
476 * @funcs: connector control functions
478 * Each connector may be connected to one or more CRTCs, or may be clonable by
479 * another connector if they can share a CRTC. Each connector also has a specific
480 * position in the broader display (referred to as a 'screen' though it could
481 * span multiple monitors).
483 struct drm_connector {
484 struct drm_device *dev;
486 struct device_attribute *attr;
487 struct list_head head;
489 struct drm_mode_object base;
492 int connector_type_id;
493 bool interlace_allowed;
494 bool doublescan_allowed;
495 struct list_head modes; /* list of modes on this connector */
497 int initial_x, initial_y;
498 enum drm_connector_status status;
500 /* these are modes added by probing with DDC or the BIOS */
501 struct list_head probed_modes;
503 struct drm_display_info display_info;
504 const struct drm_connector_funcs *funcs;
506 struct list_head user_modes;
507 struct drm_property_blob *edid_blob_ptr;
508 u32 property_ids[DRM_CONNECTOR_MAX_PROPERTY];
509 uint64_t property_values[DRM_CONNECTOR_MAX_PROPERTY];
511 uint8_t polled; /* DRM_CONNECTOR_POLL_* */
513 /* requested DPMS state */
516 void *helper_private;
518 /* forced on connector */
519 enum drm_connector_force force;
520 uint32_t encoder_ids[DRM_CONNECTOR_MAX_ENCODER];
521 uint32_t force_encoder_id;
522 struct drm_encoder *encoder; /* currently active encoder */
524 int null_edid_counter; /* needed to workaround some HW bugs where we get all 0s */
528 * struct drm_mode_set
530 * Represents a single crtc the connectors that it drives with what mode
531 * and from which framebuffer it scans out from.
533 * This is used to set modes.
535 struct drm_mode_set {
536 struct list_head head;
538 struct drm_framebuffer *fb;
539 struct drm_crtc *crtc;
540 struct drm_display_mode *mode;
545 struct drm_connector **connectors;
546 size_t num_connectors;
550 * struct drm_mode_config_funcs - configure CRTCs for a given screen layout
552 struct drm_mode_config_funcs {
553 struct drm_framebuffer *(*fb_create)(struct drm_device *dev, struct drm_file *file_priv, struct drm_mode_fb_cmd *mode_cmd);
554 void (*output_poll_changed)(struct drm_device *dev);
557 struct drm_mode_group {
559 uint32_t num_encoders;
560 uint32_t num_connectors;
562 /* list of object IDs for this group */
567 * drm_mode_config - Mode configuration control structure
570 struct drm_mode_config {
571 struct mutex mutex; /* protects configuration (mode lists etc.) */
572 struct mutex idr_mutex; /* for IDR management */
573 struct idr crtc_idr; /* use this idr for all IDs, fb, crtc, connector, modes - just makes life easier */
574 /* this is limited to one for now */
576 struct list_head fb_list;
578 struct list_head connector_list;
580 struct list_head encoder_list;
583 struct list_head crtc_list;
585 struct list_head property_list;
587 int min_width, min_height;
588 int max_width, max_height;
589 struct drm_mode_config_funcs *funcs;
590 resource_size_t fb_base;
592 /* output poll support */
594 struct delayed_work output_poll_work;
596 /* pointers to standard properties */
597 struct list_head property_blob_list;
598 struct drm_property *edid_property;
599 struct drm_property *dpms_property;
601 /* DVI-I properties */
602 struct drm_property *dvi_i_subconnector_property;
603 struct drm_property *dvi_i_select_subconnector_property;
606 struct drm_property *tv_subconnector_property;
607 struct drm_property *tv_select_subconnector_property;
608 struct drm_property *tv_mode_property;
609 struct drm_property *tv_left_margin_property;
610 struct drm_property *tv_right_margin_property;
611 struct drm_property *tv_top_margin_property;
612 struct drm_property *tv_bottom_margin_property;
613 struct drm_property *tv_brightness_property;
614 struct drm_property *tv_contrast_property;
615 struct drm_property *tv_flicker_reduction_property;
616 struct drm_property *tv_overscan_property;
617 struct drm_property *tv_saturation_property;
618 struct drm_property *tv_hue_property;
620 /* Optional properties */
621 struct drm_property *scaling_mode_property;
622 struct drm_property *dithering_mode_property;
623 struct drm_property *dirty_info_property;
626 #define obj_to_crtc(x) container_of(x, struct drm_crtc, base)
627 #define obj_to_connector(x) container_of(x, struct drm_connector, base)
628 #define obj_to_encoder(x) container_of(x, struct drm_encoder, base)
629 #define obj_to_mode(x) container_of(x, struct drm_display_mode, base)
630 #define obj_to_fb(x) container_of(x, struct drm_framebuffer, base)
631 #define obj_to_property(x) container_of(x, struct drm_property, base)
632 #define obj_to_blob(x) container_of(x, struct drm_property_blob, base)
635 extern void drm_crtc_init(struct drm_device *dev,
636 struct drm_crtc *crtc,
637 const struct drm_crtc_funcs *funcs);
638 extern void drm_crtc_cleanup(struct drm_crtc *crtc);
640 extern void drm_connector_init(struct drm_device *dev,
641 struct drm_connector *connector,
642 const struct drm_connector_funcs *funcs,
645 extern void drm_connector_cleanup(struct drm_connector *connector);
647 extern void drm_encoder_init(struct drm_device *dev,
648 struct drm_encoder *encoder,
649 const struct drm_encoder_funcs *funcs,
652 extern void drm_encoder_cleanup(struct drm_encoder *encoder);
654 extern char *drm_get_connector_name(struct drm_connector *connector);
655 extern char *drm_get_dpms_name(int val);
656 extern char *drm_get_dvi_i_subconnector_name(int val);
657 extern char *drm_get_dvi_i_select_name(int val);
658 extern char *drm_get_tv_subconnector_name(int val);
659 extern char *drm_get_tv_select_name(int val);
660 extern void drm_fb_release(struct drm_file *file_priv);
661 extern int drm_mode_group_init_legacy_group(struct drm_device *dev, struct drm_mode_group *group);
662 extern struct edid *drm_get_edid(struct drm_connector *connector,
663 struct i2c_adapter *adapter);
664 extern int drm_add_edid_modes(struct drm_connector *connector, struct edid *edid);
665 extern void drm_mode_probed_add(struct drm_connector *connector, struct drm_display_mode *mode);
666 extern void drm_mode_remove(struct drm_connector *connector, struct drm_display_mode *mode);
667 extern struct drm_display_mode *drm_mode_duplicate(struct drm_device *dev,
668 const struct drm_display_mode *mode);
669 extern void drm_mode_debug_printmodeline(struct drm_display_mode *mode);
670 extern void drm_mode_config_init(struct drm_device *dev);
671 extern void drm_mode_config_reset(struct drm_device *dev);
672 extern void drm_mode_config_cleanup(struct drm_device *dev);
673 extern void drm_mode_set_name(struct drm_display_mode *mode);
674 extern bool drm_mode_equal(struct drm_display_mode *mode1, struct drm_display_mode *mode2);
675 extern int drm_mode_width(struct drm_display_mode *mode);
676 extern int drm_mode_height(struct drm_display_mode *mode);
678 /* for us by fb module */
679 extern int drm_mode_attachmode_crtc(struct drm_device *dev,
680 struct drm_crtc *crtc,
681 struct drm_display_mode *mode);
682 extern int drm_mode_detachmode_crtc(struct drm_device *dev, struct drm_display_mode *mode);
684 extern struct drm_display_mode *drm_mode_create(struct drm_device *dev);
685 extern void drm_mode_destroy(struct drm_device *dev, struct drm_display_mode *mode);
686 extern void drm_mode_list_concat(struct list_head *head,
687 struct list_head *new);
688 extern void drm_mode_validate_size(struct drm_device *dev,
689 struct list_head *mode_list,
690 int maxX, int maxY, int maxPitch);
691 extern void drm_mode_prune_invalid(struct drm_device *dev,
692 struct list_head *mode_list, bool verbose);
693 extern void drm_mode_sort(struct list_head *mode_list);
694 extern int drm_mode_hsync(const struct drm_display_mode *mode);
695 extern int drm_mode_vrefresh(const struct drm_display_mode *mode);
696 extern void drm_mode_set_crtcinfo(struct drm_display_mode *p,
698 extern void drm_mode_connector_list_update(struct drm_connector *connector);
699 extern int drm_mode_connector_update_edid_property(struct drm_connector *connector,
701 extern int drm_connector_property_set_value(struct drm_connector *connector,
702 struct drm_property *property,
704 extern int drm_connector_property_get_value(struct drm_connector *connector,
705 struct drm_property *property,
707 extern struct drm_display_mode *drm_crtc_mode_create(struct drm_device *dev);
708 extern void drm_framebuffer_set_object(struct drm_device *dev,
709 unsigned long handle);
710 extern int drm_framebuffer_init(struct drm_device *dev,
711 struct drm_framebuffer *fb,
712 const struct drm_framebuffer_funcs *funcs);
713 extern void drm_framebuffer_cleanup(struct drm_framebuffer *fb);
714 extern int drmfb_probe(struct drm_device *dev, struct drm_crtc *crtc);
715 extern int drmfb_remove(struct drm_device *dev, struct drm_framebuffer *fb);
716 extern void drm_crtc_probe_connector_modes(struct drm_device *dev, int maxX, int maxY);
717 extern bool drm_crtc_in_use(struct drm_crtc *crtc);
719 extern int drm_connector_attach_property(struct drm_connector *connector,
720 struct drm_property *property, uint64_t init_val);
721 extern struct drm_property *drm_property_create(struct drm_device *dev, int flags,
722 const char *name, int num_values);
723 extern void drm_property_destroy(struct drm_device *dev, struct drm_property *property);
724 extern int drm_property_add_enum(struct drm_property *property, int index,
725 uint64_t value, const char *name);
726 extern int drm_mode_create_dvi_i_properties(struct drm_device *dev);
727 extern int drm_mode_create_tv_properties(struct drm_device *dev, int num_formats,
729 extern int drm_mode_create_scaling_mode_property(struct drm_device *dev);
730 extern int drm_mode_create_dithering_property(struct drm_device *dev);
731 extern int drm_mode_create_dirty_info_property(struct drm_device *dev);
732 extern char *drm_get_encoder_name(struct drm_encoder *encoder);
734 extern int drm_mode_connector_attach_encoder(struct drm_connector *connector,
735 struct drm_encoder *encoder);
736 extern void drm_mode_connector_detach_encoder(struct drm_connector *connector,
737 struct drm_encoder *encoder);
738 extern bool drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc,
740 extern struct drm_mode_object *drm_mode_object_find(struct drm_device *dev,
741 uint32_t id, uint32_t type);
743 extern int drm_mode_getresources(struct drm_device *dev,
744 void *data, struct drm_file *file_priv);
746 extern int drm_mode_getcrtc(struct drm_device *dev,
747 void *data, struct drm_file *file_priv);
748 extern int drm_mode_getconnector(struct drm_device *dev,
749 void *data, struct drm_file *file_priv);
750 extern int drm_mode_setcrtc(struct drm_device *dev,
751 void *data, struct drm_file *file_priv);
752 extern int drm_mode_cursor_ioctl(struct drm_device *dev,
753 void *data, struct drm_file *file_priv);
754 extern int drm_mode_addfb(struct drm_device *dev,
755 void *data, struct drm_file *file_priv);
756 extern int drm_mode_rmfb(struct drm_device *dev,
757 void *data, struct drm_file *file_priv);
758 extern int drm_mode_getfb(struct drm_device *dev,
759 void *data, struct drm_file *file_priv);
760 extern int drm_mode_dirtyfb_ioctl(struct drm_device *dev,
761 void *data, struct drm_file *file_priv);
762 extern int drm_mode_addmode_ioctl(struct drm_device *dev,
763 void *data, struct drm_file *file_priv);
764 extern int drm_mode_rmmode_ioctl(struct drm_device *dev,
765 void *data, struct drm_file *file_priv);
766 extern int drm_mode_attachmode_ioctl(struct drm_device *dev,
767 void *data, struct drm_file *file_priv);
768 extern int drm_mode_detachmode_ioctl(struct drm_device *dev,
769 void *data, struct drm_file *file_priv);
771 extern int drm_mode_getproperty_ioctl(struct drm_device *dev,
772 void *data, struct drm_file *file_priv);
773 extern int drm_mode_getblob_ioctl(struct drm_device *dev,
774 void *data, struct drm_file *file_priv);
775 extern int drm_mode_connector_property_set_ioctl(struct drm_device *dev,
776 void *data, struct drm_file *file_priv);
777 extern int drm_mode_hotplug_ioctl(struct drm_device *dev,
778 void *data, struct drm_file *file_priv);
779 extern int drm_mode_replacefb(struct drm_device *dev,
780 void *data, struct drm_file *file_priv);
781 extern int drm_mode_getencoder(struct drm_device *dev,
782 void *data, struct drm_file *file_priv);
783 extern int drm_mode_gamma_get_ioctl(struct drm_device *dev,
784 void *data, struct drm_file *file_priv);
785 extern int drm_mode_gamma_set_ioctl(struct drm_device *dev,
786 void *data, struct drm_file *file_priv);
787 extern u8 *drm_find_cea_extension(struct edid *edid);
788 extern bool drm_detect_hdmi_monitor(struct edid *edid);
789 extern bool drm_detect_monitor_audio(struct edid *edid);
790 extern int drm_mode_page_flip_ioctl(struct drm_device *dev,
791 void *data, struct drm_file *file_priv);
792 extern struct drm_display_mode *drm_cvt_mode(struct drm_device *dev,
793 int hdisplay, int vdisplay, int vrefresh,
794 bool reduced, bool interlaced, bool margins);
795 extern struct drm_display_mode *drm_gtf_mode(struct drm_device *dev,
796 int hdisplay, int vdisplay, int vrefresh,
797 bool interlaced, int margins);
798 extern struct drm_display_mode *drm_gtf_mode_complex(struct drm_device *dev,
799 int hdisplay, int vdisplay, int vrefresh,
800 bool interlaced, int margins, int GTF_M,
801 int GTF_2C, int GTF_K, int GTF_2J);
802 extern int drm_add_modes_noedid(struct drm_connector *connector,
803 int hdisplay, int vdisplay);
805 extern bool drm_edid_is_valid(struct edid *edid);
806 struct drm_display_mode *drm_mode_find_dmt(struct drm_device *dev,
807 int hsize, int vsize, int fresh);
809 extern int drm_mode_create_dumb_ioctl(struct drm_device *dev,
810 void *data, struct drm_file *file_priv);
811 extern int drm_mode_mmap_dumb_ioctl(struct drm_device *dev,
812 void *data, struct drm_file *file_priv);
813 extern int drm_mode_destroy_dumb_ioctl(struct drm_device *dev,
814 void *data, struct drm_file *file_priv);
815 #endif /* __DRM_CRTC_H__ */