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 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 */
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 */
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 */
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,
188 * Describes a given display (e.g. CRT or flat panel) and its limitations.
190 struct drm_display_info {
191 char name[DRM_DISPLAY_INFO_LEN];
193 bool serration_vsync;
198 unsigned char video_level;
201 unsigned int width_mm;
202 unsigned int height_mm;
204 /* Display parameters */
205 unsigned char gamma; /* FIXME: storage format */
214 bool active_off_supported;
215 bool suspend_supported;
216 bool standby_supported;
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;
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;
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;
235 enum subpixel_order subpixel_order;
237 char *raw_edid; /* if any */
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);
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;
255 /* depth can be 15 or 16 */
259 struct fb_info *fbdev;
260 u32 pseudo_palette[17];
261 struct list_head filp_head;
262 /* if you are using the helper */
263 void *helper_private;
266 struct drm_property_blob {
267 struct drm_mode_object base;
268 struct list_head head;
273 struct drm_property_enum {
275 struct list_head head;
276 char name[DRM_PROP_NAME_LEN];
279 struct drm_property {
280 struct list_head head;
281 struct drm_mode_object base;
283 char name[DRM_PROP_NAME_LEN];
287 struct list_head enum_blob_list;
291 struct drm_connector;
293 struct drm_pending_vblank_event;
296 * drm_crtc_funcs - control CRTCs for a given device
297 * @dpms: control display power levels
298 * @save: save CRTC state
299 * @resore: restore CRTC state
300 * @lock: lock the CRTC
301 * @unlock: unlock the CRTC
302 * @shadow_allocate: allocate shadow pixmap
303 * @shadow_create: create shadow pixmap for rotation support
304 * @shadow_destroy: free shadow pixmap
305 * @mode_fixup: fixup proposed mode
306 * @mode_set: set the desired mode on the CRTC
307 * @gamma_set: specify color ramp for CRTC
308 * @destroy: deinit and free object.
310 * The drm_crtc_funcs structure is the central CRTC management structure
311 * in the DRM. Each CRTC controls one or more connectors (note that the name
312 * CRTC is simply historical, a CRTC may control LVDS, VGA, DVI, TV out, etc.
313 * connectors, not just CRTs).
315 * Each driver is responsible for filling out this structure at startup time,
316 * in addition to providing other modesetting features, like i2c and DDC
319 struct drm_crtc_funcs {
320 /* Save CRTC state */
321 void (*save)(struct drm_crtc *crtc); /* suspend? */
322 /* Restore CRTC state */
323 void (*restore)(struct drm_crtc *crtc); /* resume? */
325 /* cursor controls */
326 int (*cursor_set)(struct drm_crtc *crtc, struct drm_file *file_priv,
327 uint32_t handle, uint32_t width, uint32_t height);
328 int (*cursor_move)(struct drm_crtc *crtc, int x, int y);
330 /* Set gamma on the CRTC */
331 void (*gamma_set)(struct drm_crtc *crtc, u16 *r, u16 *g, u16 *b,
333 /* Object destroy routine */
334 void (*destroy)(struct drm_crtc *crtc);
336 int (*set_config)(struct drm_mode_set *set);
339 * Flip to the given framebuffer. This implements the page
340 * flip ioctl descibed in drm_mode.h, specifically, the
341 * implementation must return immediately and block all
342 * rendering to the current fb until the flip has completed.
343 * If userspace set the event flag in the ioctl, the event
344 * argument will point to an event to send back when the flip
345 * completes, otherwise it will be NULL.
347 int (*page_flip)(struct drm_crtc *crtc,
348 struct drm_framebuffer *fb,
349 struct drm_pending_vblank_event *event);
353 * drm_crtc - central CRTC control structure
354 * @enabled: is this CRTC enabled?
355 * @x: x position on screen
356 * @y: y position on screen
357 * @desired_mode: new desired mode
358 * @desired_x: desired x for desired_mode
359 * @desired_y: desired y for desired_mode
360 * @funcs: CRTC control functions
362 * Each CRTC may have one or more connectors associated with it. This structure
363 * allows the CRTC to be controlled.
366 struct drm_device *dev;
367 struct list_head head;
369 struct drm_mode_object base;
371 /* framebuffer the connector is currently bound to */
372 struct drm_framebuffer *fb;
376 struct drm_display_mode mode;
379 struct drm_display_mode *desired_mode;
380 int desired_x, desired_y;
381 const struct drm_crtc_funcs *funcs;
383 /* CRTC gamma size for reporting to userspace */
385 uint16_t *gamma_store;
387 /* if you are using the helper */
388 void *helper_private;
393 * drm_connector_funcs - control connectors on a given device
394 * @dpms: set power state (see drm_crtc_funcs above)
395 * @save: save connector state
396 * @restore: restore connector state
397 * @mode_valid: is this mode valid on the given connector?
398 * @mode_fixup: try to fixup proposed mode for this connector
399 * @mode_set: set this mode
400 * @detect: is this connector active?
401 * @get_modes: get mode list for this connector
402 * @set_property: property for this connector may need update
403 * @destroy: make object go away
404 * @force: notify the driver the connector is forced on
406 * Each CRTC may have one or more connectors attached to it. The functions
407 * below allow the core DRM code to control connectors, enumerate available modes,
410 struct drm_connector_funcs {
411 void (*dpms)(struct drm_connector *connector, int mode);
412 void (*save)(struct drm_connector *connector);
413 void (*restore)(struct drm_connector *connector);
414 enum drm_connector_status (*detect)(struct drm_connector *connector);
415 int (*fill_modes)(struct drm_connector *connector, uint32_t max_width, uint32_t max_height);
416 int (*set_property)(struct drm_connector *connector, struct drm_property *property,
418 void (*destroy)(struct drm_connector *connector);
419 void (*force)(struct drm_connector *connector);
422 struct drm_encoder_funcs {
423 void (*destroy)(struct drm_encoder *encoder);
426 #define DRM_CONNECTOR_MAX_UMODES 16
427 #define DRM_CONNECTOR_MAX_PROPERTY 16
428 #define DRM_CONNECTOR_LEN 32
429 #define DRM_CONNECTOR_MAX_ENCODER 2
432 * drm_encoder - central DRM encoder structure
435 struct drm_device *dev;
436 struct list_head head;
438 struct drm_mode_object base;
440 uint32_t possible_crtcs;
441 uint32_t possible_clones;
443 struct drm_crtc *crtc;
444 const struct drm_encoder_funcs *funcs;
445 void *helper_private;
448 enum drm_connector_force {
449 DRM_FORCE_UNSPECIFIED,
451 DRM_FORCE_ON, /* force on analog part normally */
452 DRM_FORCE_ON_DIGITAL, /* for DVI-I use digital connector */
456 * drm_connector - central DRM connector control structure
457 * @crtc: CRTC this connector is currently connected to, NULL if none
458 * @interlace_allowed: can this connector handle interlaced modes?
459 * @doublescan_allowed: can this connector handle doublescan?
460 * @available_modes: modes available on this connector (from get_modes() + user)
461 * @initial_x: initial x position for this connector
462 * @initial_y: initial y position for this connector
463 * @status: connector connected?
464 * @funcs: connector control functions
466 * Each connector may be connected to one or more CRTCs, or may be clonable by
467 * another connector if they can share a CRTC. Each connector also has a specific
468 * position in the broader display (referred to as a 'screen' though it could
469 * span multiple monitors).
471 struct drm_connector {
472 struct drm_device *dev;
474 struct device_attribute *attr;
475 struct list_head head;
477 struct drm_mode_object base;
480 int connector_type_id;
481 bool interlace_allowed;
482 bool doublescan_allowed;
483 struct list_head modes; /* list of modes on this connector */
485 int initial_x, initial_y;
486 enum drm_connector_status status;
488 /* these are modes added by probing with DDC or the BIOS */
489 struct list_head probed_modes;
491 struct drm_display_info display_info;
492 const struct drm_connector_funcs *funcs;
494 struct list_head user_modes;
495 struct drm_property_blob *edid_blob_ptr;
496 u32 property_ids[DRM_CONNECTOR_MAX_PROPERTY];
497 uint64_t property_values[DRM_CONNECTOR_MAX_PROPERTY];
499 /* requested DPMS state */
502 void *helper_private;
504 /* forced on connector */
505 enum drm_connector_force force;
506 uint32_t encoder_ids[DRM_CONNECTOR_MAX_ENCODER];
507 uint32_t force_encoder_id;
508 struct drm_encoder *encoder; /* currently active encoder */
509 void *fb_helper_private;
513 * struct drm_mode_set
515 * Represents a single crtc the connectors that it drives with what mode
516 * and from which framebuffer it scans out from.
518 * This is used to set modes.
520 struct drm_mode_set {
521 struct list_head head;
523 struct drm_framebuffer *fb;
524 struct drm_crtc *crtc;
525 struct drm_display_mode *mode;
530 struct drm_connector **connectors;
531 size_t num_connectors;
535 * struct drm_mode_config_funcs - configure CRTCs for a given screen layout
536 * @resize: adjust CRTCs as necessary for the proposed layout
538 * Currently only a resize hook is available. DRM will call back into the
539 * driver with a new screen width and height. If the driver can't support
540 * the proposed size, it can return false. Otherwise it should adjust
541 * the CRTC<->connector mappings as needed and update its view of the screen.
543 struct drm_mode_config_funcs {
544 struct drm_framebuffer *(*fb_create)(struct drm_device *dev, struct drm_file *file_priv, struct drm_mode_fb_cmd *mode_cmd);
545 int (*fb_changed)(struct drm_device *dev);
548 struct drm_mode_group {
550 uint32_t num_encoders;
551 uint32_t num_connectors;
553 /* list of object IDs for this group */
558 * drm_mode_config - Mode configuration control structure
561 struct drm_mode_config {
562 struct mutex mutex; /* protects configuration (mode lists etc.) */
563 struct mutex idr_mutex; /* for IDR management */
564 struct idr crtc_idr; /* use this idr for all IDs, fb, crtc, connector, modes - just makes life easier */
565 /* this is limited to one for now */
567 struct list_head fb_list;
569 struct list_head connector_list;
571 struct list_head encoder_list;
574 struct list_head crtc_list;
576 struct list_head property_list;
578 /* in-kernel framebuffers - hung of filp_head in drm_framebuffer */
579 struct list_head fb_kernel_list;
581 int min_width, min_height;
582 int max_width, max_height;
583 struct drm_mode_config_funcs *funcs;
584 resource_size_t fb_base;
586 /* pointers to standard properties */
587 struct list_head property_blob_list;
588 struct drm_property *edid_property;
589 struct drm_property *dpms_property;
591 /* DVI-I properties */
592 struct drm_property *dvi_i_subconnector_property;
593 struct drm_property *dvi_i_select_subconnector_property;
596 struct drm_property *tv_subconnector_property;
597 struct drm_property *tv_select_subconnector_property;
598 struct drm_property *tv_mode_property;
599 struct drm_property *tv_left_margin_property;
600 struct drm_property *tv_right_margin_property;
601 struct drm_property *tv_top_margin_property;
602 struct drm_property *tv_bottom_margin_property;
603 struct drm_property *tv_brightness_property;
604 struct drm_property *tv_contrast_property;
605 struct drm_property *tv_flicker_reduction_property;
606 struct drm_property *tv_overscan_property;
607 struct drm_property *tv_saturation_property;
608 struct drm_property *tv_hue_property;
610 /* Optional properties */
611 struct drm_property *scaling_mode_property;
612 struct drm_property *dithering_mode_property;
615 #define obj_to_crtc(x) container_of(x, struct drm_crtc, base)
616 #define obj_to_connector(x) container_of(x, struct drm_connector, base)
617 #define obj_to_encoder(x) container_of(x, struct drm_encoder, base)
618 #define obj_to_mode(x) container_of(x, struct drm_display_mode, base)
619 #define obj_to_fb(x) container_of(x, struct drm_framebuffer, base)
620 #define obj_to_property(x) container_of(x, struct drm_property, base)
621 #define obj_to_blob(x) container_of(x, struct drm_property_blob, base)
624 extern void drm_crtc_init(struct drm_device *dev,
625 struct drm_crtc *crtc,
626 const struct drm_crtc_funcs *funcs);
627 extern void drm_crtc_cleanup(struct drm_crtc *crtc);
629 extern void drm_connector_init(struct drm_device *dev,
630 struct drm_connector *connector,
631 const struct drm_connector_funcs *funcs,
634 extern void drm_connector_cleanup(struct drm_connector *connector);
636 extern void drm_encoder_init(struct drm_device *dev,
637 struct drm_encoder *encoder,
638 const struct drm_encoder_funcs *funcs,
641 extern void drm_encoder_cleanup(struct drm_encoder *encoder);
643 extern char *drm_get_connector_name(struct drm_connector *connector);
644 extern char *drm_get_dpms_name(int val);
645 extern char *drm_get_dvi_i_subconnector_name(int val);
646 extern char *drm_get_dvi_i_select_name(int val);
647 extern char *drm_get_tv_subconnector_name(int val);
648 extern char *drm_get_tv_select_name(int val);
649 extern void drm_fb_release(struct drm_file *file_priv);
650 extern int drm_mode_group_init_legacy_group(struct drm_device *dev, struct drm_mode_group *group);
651 extern struct edid *drm_get_edid(struct drm_connector *connector,
652 struct i2c_adapter *adapter);
653 extern int drm_do_probe_ddc_edid(struct i2c_adapter *adapter,
654 unsigned char *buf, int len);
655 extern int drm_add_edid_modes(struct drm_connector *connector, struct edid *edid);
656 extern void drm_mode_probed_add(struct drm_connector *connector, struct drm_display_mode *mode);
657 extern void drm_mode_remove(struct drm_connector *connector, struct drm_display_mode *mode);
658 extern struct drm_display_mode *drm_mode_duplicate(struct drm_device *dev,
659 struct drm_display_mode *mode);
660 extern void drm_mode_debug_printmodeline(struct drm_display_mode *mode);
661 extern void drm_mode_config_init(struct drm_device *dev);
662 extern void drm_mode_config_cleanup(struct drm_device *dev);
663 extern void drm_mode_set_name(struct drm_display_mode *mode);
664 extern bool drm_mode_equal(struct drm_display_mode *mode1, struct drm_display_mode *mode2);
665 extern int drm_mode_width(struct drm_display_mode *mode);
666 extern int drm_mode_height(struct drm_display_mode *mode);
668 /* for us by fb module */
669 extern int drm_mode_attachmode_crtc(struct drm_device *dev,
670 struct drm_crtc *crtc,
671 struct drm_display_mode *mode);
672 extern int drm_mode_detachmode_crtc(struct drm_device *dev, struct drm_display_mode *mode);
674 extern struct drm_display_mode *drm_mode_create(struct drm_device *dev);
675 extern void drm_mode_destroy(struct drm_device *dev, struct drm_display_mode *mode);
676 extern void drm_mode_list_concat(struct list_head *head,
677 struct list_head *new);
678 extern void drm_mode_validate_size(struct drm_device *dev,
679 struct list_head *mode_list,
680 int maxX, int maxY, int maxPitch);
681 extern void drm_mode_prune_invalid(struct drm_device *dev,
682 struct list_head *mode_list, bool verbose);
683 extern void drm_mode_sort(struct list_head *mode_list);
684 extern int drm_mode_vrefresh(struct drm_display_mode *mode);
685 extern void drm_mode_set_crtcinfo(struct drm_display_mode *p,
687 extern void drm_mode_connector_list_update(struct drm_connector *connector);
688 extern int drm_mode_connector_update_edid_property(struct drm_connector *connector,
690 extern int drm_connector_property_set_value(struct drm_connector *connector,
691 struct drm_property *property,
693 extern int drm_connector_property_get_value(struct drm_connector *connector,
694 struct drm_property *property,
696 extern struct drm_display_mode *drm_crtc_mode_create(struct drm_device *dev);
697 extern void drm_framebuffer_set_object(struct drm_device *dev,
698 unsigned long handle);
699 extern int drm_framebuffer_init(struct drm_device *dev,
700 struct drm_framebuffer *fb,
701 const struct drm_framebuffer_funcs *funcs);
702 extern void drm_framebuffer_cleanup(struct drm_framebuffer *fb);
703 extern int drmfb_probe(struct drm_device *dev, struct drm_crtc *crtc);
704 extern int drmfb_remove(struct drm_device *dev, struct drm_framebuffer *fb);
705 extern void drm_crtc_probe_connector_modes(struct drm_device *dev, int maxX, int maxY);
706 extern bool drm_crtc_in_use(struct drm_crtc *crtc);
708 extern int drm_connector_attach_property(struct drm_connector *connector,
709 struct drm_property *property, uint64_t init_val);
710 extern struct drm_property *drm_property_create(struct drm_device *dev, int flags,
711 const char *name, int num_values);
712 extern void drm_property_destroy(struct drm_device *dev, struct drm_property *property);
713 extern int drm_property_add_enum(struct drm_property *property, int index,
714 uint64_t value, const char *name);
715 extern int drm_mode_create_dvi_i_properties(struct drm_device *dev);
716 extern int drm_mode_create_tv_properties(struct drm_device *dev, int num_formats,
718 extern int drm_mode_create_scaling_mode_property(struct drm_device *dev);
719 extern int drm_mode_create_dithering_property(struct drm_device *dev);
720 extern char *drm_get_encoder_name(struct drm_encoder *encoder);
722 extern int drm_mode_connector_attach_encoder(struct drm_connector *connector,
723 struct drm_encoder *encoder);
724 extern void drm_mode_connector_detach_encoder(struct drm_connector *connector,
725 struct drm_encoder *encoder);
726 extern bool drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc,
728 extern void *drm_mode_object_find(struct drm_device *dev, uint32_t id, uint32_t type);
730 extern int drm_mode_getresources(struct drm_device *dev,
731 void *data, struct drm_file *file_priv);
733 extern int drm_mode_getcrtc(struct drm_device *dev,
734 void *data, struct drm_file *file_priv);
735 extern int drm_mode_getconnector(struct drm_device *dev,
736 void *data, struct drm_file *file_priv);
737 extern int drm_mode_setcrtc(struct drm_device *dev,
738 void *data, struct drm_file *file_priv);
739 extern int drm_mode_cursor_ioctl(struct drm_device *dev,
740 void *data, struct drm_file *file_priv);
741 extern int drm_mode_addfb(struct drm_device *dev,
742 void *data, struct drm_file *file_priv);
743 extern int drm_mode_rmfb(struct drm_device *dev,
744 void *data, struct drm_file *file_priv);
745 extern int drm_mode_getfb(struct drm_device *dev,
746 void *data, struct drm_file *file_priv);
747 extern int drm_mode_addmode_ioctl(struct drm_device *dev,
748 void *data, struct drm_file *file_priv);
749 extern int drm_mode_rmmode_ioctl(struct drm_device *dev,
750 void *data, struct drm_file *file_priv);
751 extern int drm_mode_attachmode_ioctl(struct drm_device *dev,
752 void *data, struct drm_file *file_priv);
753 extern int drm_mode_detachmode_ioctl(struct drm_device *dev,
754 void *data, struct drm_file *file_priv);
756 extern int drm_mode_getproperty_ioctl(struct drm_device *dev,
757 void *data, struct drm_file *file_priv);
758 extern int drm_mode_getblob_ioctl(struct drm_device *dev,
759 void *data, struct drm_file *file_priv);
760 extern int drm_mode_connector_property_set_ioctl(struct drm_device *dev,
761 void *data, struct drm_file *file_priv);
762 extern int drm_mode_hotplug_ioctl(struct drm_device *dev,
763 void *data, struct drm_file *file_priv);
764 extern int drm_mode_replacefb(struct drm_device *dev,
765 void *data, struct drm_file *file_priv);
766 extern int drm_mode_getencoder(struct drm_device *dev,
767 void *data, struct drm_file *file_priv);
768 extern int drm_mode_gamma_get_ioctl(struct drm_device *dev,
769 void *data, struct drm_file *file_priv);
770 extern int drm_mode_gamma_set_ioctl(struct drm_device *dev,
771 void *data, struct drm_file *file_priv);
772 extern bool drm_detect_hdmi_monitor(struct edid *edid);
773 extern int drm_mode_page_flip_ioctl(struct drm_device *dev,
774 void *data, struct drm_file *file_priv);
775 extern struct drm_display_mode *drm_cvt_mode(struct drm_device *dev,
776 int hdisplay, int vdisplay, int vrefresh,
777 bool reduced, bool interlaced, bool margins);
778 extern struct drm_display_mode *drm_gtf_mode(struct drm_device *dev,
779 int hdisplay, int vdisplay, int vrefresh,
780 bool interlaced, int margins);
781 extern int drm_add_modes_noedid(struct drm_connector *connector,
782 int hdisplay, int vdisplay);
783 #endif /* __DRM_CRTC_H__ */