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Dave Airlief453ba02008-11-07 14:05:41 -08001/*
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>
Dave Airlief453ba02008-11-07 14:05:41 -080032#include <linux/fb.h>
33
Jesse Barnes308e5bc2011-11-14 14:51:28 -080034#include <drm/drm_fourcc.h>
35
Dave Airlief453ba02008-11-07 14:05:41 -080036struct 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
Jesse Barnes8cf5c912011-11-14 14:51:27 -080048#define DRM_MODE_OBJECT_PLANE 0xeeeeeeee
Dave Airlief453ba02008-11-07 14:05:41 -080049
50struct drm_mode_object {
51 uint32_t id;
52 uint32_t type;
53};
54
55/*
56 * Note on terminology: here, for brevity and convenience, we refer to connector
57 * control chips as 'CRTCs'. They can control any type of connector, VGA, LVDS,
58 * DVI, etc. And 'screen' refers to the whole of the visible display, which
59 * may span multiple monitors (and therefore multiple CRTC and connector
60 * structures).
61 */
62
63enum drm_mode_status {
64 MODE_OK = 0, /* Mode OK */
65 MODE_HSYNC, /* hsync out of range */
66 MODE_VSYNC, /* vsync out of range */
67 MODE_H_ILLEGAL, /* mode has illegal horizontal timings */
68 MODE_V_ILLEGAL, /* mode has illegal horizontal timings */
69 MODE_BAD_WIDTH, /* requires an unsupported linepitch */
Lucas De Marchi25985ed2011-03-30 22:57:33 -030070 MODE_NOMODE, /* no mode with a matching name */
Dave Airlief453ba02008-11-07 14:05:41 -080071 MODE_NO_INTERLACE, /* interlaced mode not supported */
72 MODE_NO_DBLESCAN, /* doublescan mode not supported */
73 MODE_NO_VSCAN, /* multiscan mode not supported */
74 MODE_MEM, /* insufficient video memory */
75 MODE_VIRTUAL_X, /* mode width too large for specified virtual size */
76 MODE_VIRTUAL_Y, /* mode height too large for specified virtual size */
77 MODE_MEM_VIRT, /* insufficient video memory given virtual size */
78 MODE_NOCLOCK, /* no fixed clock available */
79 MODE_CLOCK_HIGH, /* clock required is too high */
80 MODE_CLOCK_LOW, /* clock required is too low */
81 MODE_CLOCK_RANGE, /* clock/mode isn't in a ClockRange */
82 MODE_BAD_HVALUE, /* horizontal timing was out of range */
83 MODE_BAD_VVALUE, /* vertical timing was out of range */
84 MODE_BAD_VSCAN, /* VScan value out of range */
85 MODE_HSYNC_NARROW, /* horizontal sync too narrow */
86 MODE_HSYNC_WIDE, /* horizontal sync too wide */
87 MODE_HBLANK_NARROW, /* horizontal blanking too narrow */
88 MODE_HBLANK_WIDE, /* horizontal blanking too wide */
89 MODE_VSYNC_NARROW, /* vertical sync too narrow */
90 MODE_VSYNC_WIDE, /* vertical sync too wide */
91 MODE_VBLANK_NARROW, /* vertical blanking too narrow */
92 MODE_VBLANK_WIDE, /* vertical blanking too wide */
93 MODE_PANEL, /* exceeds panel dimensions */
94 MODE_INTERLACE_WIDTH, /* width too large for interlaced mode */
95 MODE_ONE_WIDTH, /* only one width is supported */
96 MODE_ONE_HEIGHT, /* only one height is supported */
97 MODE_ONE_SIZE, /* only one resolution is supported */
98 MODE_NO_REDUCED, /* monitor doesn't accept reduced blanking */
99 MODE_UNVERIFIED = -3, /* mode needs to reverified */
100 MODE_BAD = -2, /* unspecified reason */
101 MODE_ERROR = -1 /* error condition */
102};
103
104#define DRM_MODE_TYPE_CLOCK_CRTC_C (DRM_MODE_TYPE_CLOCK_C | \
105 DRM_MODE_TYPE_CRTC_C)
106
107#define DRM_MODE(nm, t, c, hd, hss, hse, ht, hsk, vd, vss, vse, vt, vs, f) \
108 .name = nm, .status = 0, .type = (t), .clock = (c), \
109 .hdisplay = (hd), .hsync_start = (hss), .hsync_end = (hse), \
110 .htotal = (ht), .hskew = (hsk), .vdisplay = (vd), \
111 .vsync_start = (vss), .vsync_end = (vse), .vtotal = (vt), \
112 .vscan = (vs), .flags = (f), .vrefresh = 0
113
114#define CRTC_INTERLACE_HALVE_V 0x1 /* halve V values for interlacing */
115
116struct drm_display_mode {
117 /* Header */
118 struct list_head head;
119 struct drm_mode_object base;
120
121 char name[DRM_DISPLAY_MODE_LEN];
122
Dave Airlief453ba02008-11-07 14:05:41 -0800123 enum drm_mode_status status;
124 int type;
125
126 /* Proposed mode values */
Adam Jackson7ac96a92009-12-03 17:44:37 -0500127 int clock; /* in kHz */
Dave Airlief453ba02008-11-07 14:05:41 -0800128 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
Adam Jackson7ac96a92009-12-03 17:44:37 -0500168 int vrefresh; /* in Hz */
169 int hsync; /* in kHz */
Dave Airlief453ba02008-11-07 14:05:41 -0800170};
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
Jesse Barnesda05a5a2011-04-15 13:48:57 -0700187#define DRM_COLOR_FORMAT_RGB444 (1<<0)
188#define DRM_COLOR_FORMAT_YCRCB444 (1<<1)
189#define DRM_COLOR_FORMAT_YCRCB422 (1<<2)
Dave Airlief453ba02008-11-07 14:05:41 -0800190/*
191 * Describes a given display (e.g. CRT or flat panel) and its limitations.
192 */
193struct drm_display_info {
194 char name[DRM_DISPLAY_INFO_LEN];
Adam Jacksonfb439642010-08-03 14:38:16 -0400195
Dave Airlief453ba02008-11-07 14:05:41 -0800196 /* Physical size */
197 unsigned int width_mm;
198 unsigned int height_mm;
199
Dave Airlief453ba02008-11-07 14:05:41 -0800200 /* Clock limits FIXME: storage format */
201 unsigned int min_vfreq, max_vfreq;
202 unsigned int min_hfreq, max_hfreq;
203 unsigned int pixel_clock;
Jesse Barnes3b112282011-04-15 12:49:23 -0700204 unsigned int bpc;
Dave Airlief453ba02008-11-07 14:05:41 -0800205
Dave Airlief453ba02008-11-07 14:05:41 -0800206 enum subpixel_order subpixel_order;
Jesse Barnesda05a5a2011-04-15 13:48:57 -0700207 u32 color_formats;
Dave Airlief453ba02008-11-07 14:05:41 -0800208
Jesse Barnesebec9a72011-08-03 09:22:54 -0700209 u8 cea_rev;
210
Dave Airlief453ba02008-11-07 14:05:41 -0800211 char *raw_edid; /* if any */
212};
213
214struct drm_framebuffer_funcs {
215 void (*destroy)(struct drm_framebuffer *framebuffer);
216 int (*create_handle)(struct drm_framebuffer *fb,
217 struct drm_file *file_priv,
218 unsigned int *handle);
Jakob Bornecrantz884840a2009-12-03 23:25:47 +0000219 /**
220 * Optinal callback for the dirty fb ioctl.
221 *
222 * Userspace can notify the driver via this callback
223 * that a area of the framebuffer has changed and should
224 * be flushed to the display hardware.
225 *
226 * See documentation in drm_mode.h for the struct
227 * drm_mode_fb_dirty_cmd for more information as all
228 * the semantics and arguments have a one to one mapping
229 * on this function.
230 */
Thomas Hellstrom02b00162010-10-05 12:43:02 +0200231 int (*dirty)(struct drm_framebuffer *framebuffer,
232 struct drm_file *file_priv, unsigned flags,
Jakob Bornecrantz884840a2009-12-03 23:25:47 +0000233 unsigned color, struct drm_clip_rect *clips,
234 unsigned num_clips);
Dave Airlief453ba02008-11-07 14:05:41 -0800235};
236
237struct drm_framebuffer {
238 struct drm_device *dev;
239 struct list_head head;
240 struct drm_mode_object base;
241 const struct drm_framebuffer_funcs *funcs;
Ville Syrjälä01f2c772011-12-20 00:06:49 +0200242 unsigned int pitches[4];
243 unsigned int offsets[4];
Dave Airlief453ba02008-11-07 14:05:41 -0800244 unsigned int width;
245 unsigned int height;
246 /* depth can be 15 or 16 */
247 unsigned int depth;
248 int bits_per_pixel;
249 int flags;
Jesse Barnes308e5bc2011-11-14 14:51:28 -0800250 uint32_t pixel_format; /* fourcc format */
Dave Airlief453ba02008-11-07 14:05:41 -0800251 struct list_head filp_head;
Dave Airlie785b93e2009-08-28 15:46:53 +1000252 /* if you are using the helper */
253 void *helper_private;
Dave Airlief453ba02008-11-07 14:05:41 -0800254};
255
256struct drm_property_blob {
257 struct drm_mode_object base;
258 struct list_head head;
259 unsigned int length;
260 void *data;
261};
262
263struct drm_property_enum {
264 uint64_t value;
265 struct list_head head;
266 char name[DRM_PROP_NAME_LEN];
267};
268
269struct drm_property {
270 struct list_head head;
271 struct drm_mode_object base;
272 uint32_t flags;
273 char name[DRM_PROP_NAME_LEN];
274 uint32_t num_values;
275 uint64_t *values;
276
277 struct list_head enum_blob_list;
278};
279
280struct drm_crtc;
281struct drm_connector;
282struct drm_encoder;
Kristian Høgsbergd91d8a32009-11-17 12:43:55 -0500283struct drm_pending_vblank_event;
Jesse Barnes8cf5c912011-11-14 14:51:27 -0800284struct drm_plane;
Dave Airlief453ba02008-11-07 14:05:41 -0800285
286/**
287 * drm_crtc_funcs - control CRTCs for a given device
Chris Wilsoneb033552011-01-24 15:11:08 +0000288 * @reset: reset CRTC after state has been invalidate (e.g. resume)
Dave Airlief453ba02008-11-07 14:05:41 -0800289 * @dpms: control display power levels
290 * @save: save CRTC state
291 * @resore: restore CRTC state
292 * @lock: lock the CRTC
293 * @unlock: unlock the CRTC
294 * @shadow_allocate: allocate shadow pixmap
295 * @shadow_create: create shadow pixmap for rotation support
296 * @shadow_destroy: free shadow pixmap
297 * @mode_fixup: fixup proposed mode
298 * @mode_set: set the desired mode on the CRTC
299 * @gamma_set: specify color ramp for CRTC
300 * @destroy: deinit and free object.
301 *
302 * The drm_crtc_funcs structure is the central CRTC management structure
303 * in the DRM. Each CRTC controls one or more connectors (note that the name
304 * CRTC is simply historical, a CRTC may control LVDS, VGA, DVI, TV out, etc.
305 * connectors, not just CRTs).
306 *
307 * Each driver is responsible for filling out this structure at startup time,
308 * in addition to providing other modesetting features, like i2c and DDC
309 * bus accessors.
310 */
311struct drm_crtc_funcs {
312 /* Save CRTC state */
313 void (*save)(struct drm_crtc *crtc); /* suspend? */
314 /* Restore CRTC state */
315 void (*restore)(struct drm_crtc *crtc); /* resume? */
Chris Wilsoneb033552011-01-24 15:11:08 +0000316 /* Reset CRTC state */
317 void (*reset)(struct drm_crtc *crtc);
Dave Airlief453ba02008-11-07 14:05:41 -0800318
319 /* cursor controls */
320 int (*cursor_set)(struct drm_crtc *crtc, struct drm_file *file_priv,
321 uint32_t handle, uint32_t width, uint32_t height);
322 int (*cursor_move)(struct drm_crtc *crtc, int x, int y);
323
324 /* Set gamma on the CRTC */
325 void (*gamma_set)(struct drm_crtc *crtc, u16 *r, u16 *g, u16 *b,
James Simmons72034252010-08-03 01:33:19 +0100326 uint32_t start, uint32_t size);
Dave Airlief453ba02008-11-07 14:05:41 -0800327 /* Object destroy routine */
328 void (*destroy)(struct drm_crtc *crtc);
329
330 int (*set_config)(struct drm_mode_set *set);
Kristian Høgsbergd91d8a32009-11-17 12:43:55 -0500331
332 /*
333 * Flip to the given framebuffer. This implements the page
Lucas De Marchi25985ed2011-03-30 22:57:33 -0300334 * flip ioctl described in drm_mode.h, specifically, the
Kristian Høgsbergd91d8a32009-11-17 12:43:55 -0500335 * implementation must return immediately and block all
336 * rendering to the current fb until the flip has completed.
337 * If userspace set the event flag in the ioctl, the event
338 * argument will point to an event to send back when the flip
339 * completes, otherwise it will be NULL.
340 */
341 int (*page_flip)(struct drm_crtc *crtc,
342 struct drm_framebuffer *fb,
343 struct drm_pending_vblank_event *event);
Dave Airlief453ba02008-11-07 14:05:41 -0800344};
345
346/**
347 * drm_crtc - central CRTC control structure
Jesse Barnes77491632011-11-07 12:03:14 -0800348 * @dev: parent DRM device
349 * @head: list management
350 * @base: base KMS object for ID tracking etc.
Dave Airlief453ba02008-11-07 14:05:41 -0800351 * @enabled: is this CRTC enabled?
Jesse Barnes77491632011-11-07 12:03:14 -0800352 * @mode: current mode timings
353 * @hwmode: mode timings as programmed to hw regs
Dave Airlief453ba02008-11-07 14:05:41 -0800354 * @x: x position on screen
355 * @y: y position on screen
Dave Airlief453ba02008-11-07 14:05:41 -0800356 * @funcs: CRTC control functions
Jesse Barnes77491632011-11-07 12:03:14 -0800357 * @gamma_size: size of gamma ramp
358 * @gamma_store: gamma ramp values
359 * @framedur_ns: precise frame timing
360 * @framedur_ns: precise line timing
361 * @pixeldur_ns: precise pixel timing
362 * @helper_private: mid-layer private data
Dave Airlief453ba02008-11-07 14:05:41 -0800363 *
364 * Each CRTC may have one or more connectors associated with it. This structure
365 * allows the CRTC to be controlled.
366 */
367struct drm_crtc {
368 struct drm_device *dev;
369 struct list_head head;
370
371 struct drm_mode_object base;
372
373 /* framebuffer the connector is currently bound to */
374 struct drm_framebuffer *fb;
375
376 bool enabled;
377
Mario Kleiner27641c32010-10-23 04:20:23 +0200378 /* Requested mode from modesetting. */
Dave Airlief453ba02008-11-07 14:05:41 -0800379 struct drm_display_mode mode;
380
Mario Kleiner27641c32010-10-23 04:20:23 +0200381 /* Programmed mode in hw, after adjustments for encoders,
382 * crtc, panel scaling etc. Needed for timestamping etc.
383 */
384 struct drm_display_mode hwmode;
385
Dave Airlief453ba02008-11-07 14:05:41 -0800386 int x, y;
Dave Airlief453ba02008-11-07 14:05:41 -0800387 const struct drm_crtc_funcs *funcs;
388
389 /* CRTC gamma size for reporting to userspace */
390 uint32_t gamma_size;
391 uint16_t *gamma_store;
392
Mario Kleiner27641c32010-10-23 04:20:23 +0200393 /* Constants needed for precise vblank and swap timestamping. */
394 s64 framedur_ns, linedur_ns, pixeldur_ns;
395
Dave Airlief453ba02008-11-07 14:05:41 -0800396 /* 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
Chris Wilsoneb033552011-01-24 15:11:08 +0000406 * @reset: reset connector after state has been invalidate (e.g. resume)
Dave Airlief453ba02008-11-07 14:05:41 -0800407 * @mode_valid: is this mode valid on the given connector?
408 * @mode_fixup: try to fixup proposed mode for this connector
409 * @mode_set: set this mode
410 * @detect: is this connector active?
411 * @get_modes: get mode list for this connector
412 * @set_property: property for this connector may need update
413 * @destroy: make object go away
Dave Airlied50ba252009-09-23 14:44:08 +1000414 * @force: notify the driver the connector is forced on
Dave Airlief453ba02008-11-07 14:05:41 -0800415 *
416 * Each CRTC may have one or more connectors attached to it. The functions
417 * below allow the core DRM code to control connectors, enumerate available modes,
418 * etc.
419 */
420struct drm_connector_funcs {
421 void (*dpms)(struct drm_connector *connector, int mode);
422 void (*save)(struct drm_connector *connector);
423 void (*restore)(struct drm_connector *connector);
Chris Wilsoneb033552011-01-24 15:11:08 +0000424 void (*reset)(struct drm_connector *connector);
Chris Wilson930a9e22010-09-14 11:07:23 +0100425
426 /* Check to see if anything is attached to the connector.
427 * @force is set to false whilst polling, true when checking the
428 * connector due to user request. @force can be used by the driver
429 * to avoid expensive, destructive operations during automated
430 * probing.
431 */
Chris Wilson7b334fc2010-09-09 23:51:02 +0100432 enum drm_connector_status (*detect)(struct drm_connector *connector,
Chris Wilson930a9e22010-09-14 11:07:23 +0100433 bool force);
Jesse Barnes40a518d2009-01-12 12:05:32 -0800434 int (*fill_modes)(struct drm_connector *connector, uint32_t max_width, uint32_t max_height);
Dave Airlief453ba02008-11-07 14:05:41 -0800435 int (*set_property)(struct drm_connector *connector, struct drm_property *property,
436 uint64_t val);
437 void (*destroy)(struct drm_connector *connector);
Dave Airlied50ba252009-09-23 14:44:08 +1000438 void (*force)(struct drm_connector *connector);
Dave Airlief453ba02008-11-07 14:05:41 -0800439};
440
Jesse Barnes6c3db922011-11-07 12:03:16 -0800441/**
442 * drm_encoder_funcs - encoder controls
443 * @reset: reset state (e.g. at init or resume time)
444 * @destroy: cleanup and free associated data
445 *
446 * Encoders sit between CRTCs and connectors.
447 */
Dave Airlief453ba02008-11-07 14:05:41 -0800448struct drm_encoder_funcs {
Chris Wilsoneb033552011-01-24 15:11:08 +0000449 void (*reset)(struct drm_encoder *encoder);
Dave Airlief453ba02008-11-07 14:05:41 -0800450 void (*destroy)(struct drm_encoder *encoder);
451};
452
453#define DRM_CONNECTOR_MAX_UMODES 16
454#define DRM_CONNECTOR_MAX_PROPERTY 16
455#define DRM_CONNECTOR_LEN 32
Ben Skeggsafe887d2012-01-12 16:00:57 +1000456#define DRM_CONNECTOR_MAX_ENCODER 3
Dave Airlief453ba02008-11-07 14:05:41 -0800457
458/**
459 * drm_encoder - central DRM encoder structure
Jesse Barnesdb3e4492011-11-07 12:03:17 -0800460 * @dev: parent DRM device
461 * @head: list management
462 * @base: base KMS object
463 * @encoder_type: one of the %DRM_MODE_ENCODER_<foo> types in drm_mode.h
464 * @possible_crtcs: bitmask of potential CRTC bindings
465 * @possible_clones: bitmask of potential sibling encoders for cloning
466 * @crtc: currently bound CRTC
467 * @funcs: control functions
468 * @helper_private: mid-layer private data
469 *
470 * CRTCs drive pixels to encoders, which convert them into signals
471 * appropriate for a given connector or set of connectors.
Dave Airlief453ba02008-11-07 14:05:41 -0800472 */
473struct drm_encoder {
474 struct drm_device *dev;
475 struct list_head head;
476
477 struct drm_mode_object base;
478 int encoder_type;
479 uint32_t possible_crtcs;
480 uint32_t possible_clones;
481
482 struct drm_crtc *crtc;
483 const struct drm_encoder_funcs *funcs;
484 void *helper_private;
485};
486
Dave Airlied50ba252009-09-23 14:44:08 +1000487enum drm_connector_force {
488 DRM_FORCE_UNSPECIFIED,
489 DRM_FORCE_OFF,
490 DRM_FORCE_ON, /* force on analog part normally */
491 DRM_FORCE_ON_DIGITAL, /* for DVI-I use digital connector */
492};
493
Dave Airlieeb1f8e42010-05-07 06:42:51 +0000494/* should we poll this connector for connects and disconnects */
495/* hot plug detectable */
496#define DRM_CONNECTOR_POLL_HPD (1 << 0)
497/* poll for connections */
498#define DRM_CONNECTOR_POLL_CONNECT (1 << 1)
499/* can cleanly poll for disconnections without flickering the screen */
500/* DACs should rarely do this without a lot of testing */
501#define DRM_CONNECTOR_POLL_DISCONNECT (1 << 2)
502
Wu Fengguang76adaa32011-09-05 14:23:20 +0800503#define MAX_ELD_BYTES 128
504
Dave Airlief453ba02008-11-07 14:05:41 -0800505/**
506 * drm_connector - central DRM connector control structure
Jesse Barnes72252542011-11-07 12:03:18 -0800507 * @dev: parent DRM device
508 * @kdev: kernel device for sysfs attributes
509 * @attr: sysfs attributes
510 * @head: list management
511 * @base: base KMS object
512 * @connector_type: one of the %DRM_MODE_CONNECTOR_<foo> types from drm_mode.h
513 * @connector_type_id: index into connector type enum
Dave Airlief453ba02008-11-07 14:05:41 -0800514 * @interlace_allowed: can this connector handle interlaced modes?
515 * @doublescan_allowed: can this connector handle doublescan?
Jesse Barnes72252542011-11-07 12:03:18 -0800516 * @modes: modes available on this connector (from fill_modes() + user)
517 * @status: one of the drm_connector_status enums (connected, not, or unknown)
518 * @probed_modes: list of modes derived directly from the display
519 * @display_info: information about attached display (e.g. from EDID)
Dave Airlief453ba02008-11-07 14:05:41 -0800520 * @funcs: connector control functions
Jesse Barnes72252542011-11-07 12:03:18 -0800521 * @user_modes: user added mode list
522 * @edid_blob_ptr: DRM property containing EDID if present
523 * @property_ids: property tracking for this connector
524 * @property_values: value pointers or data for properties
525 * @polled: a %DRM_CONNECTOR_POLL_<foo> value for core driven polling
526 * @dpms: current dpms state
527 * @helper_private: mid-layer private data
528 * @force: a %DRM_FORCE_<foo> state for forced mode sets
529 * @encoder_ids: valid encoders for this connector
530 * @encoder: encoder driving this connector, if any
531 * @eld: EDID-like data, if present
532 * @dvi_dual: dual link DVI, if found
533 * @max_tmds_clock: max clock rate, if found
534 * @latency_present: AV delay info from ELD, if found
535 * @video_latency: video latency info from ELD, if found
536 * @audio_latency: audio latency info from ELD, if found
537 * @null_edid_counter: track sinks that give us all zeros for the EDID
Dave Airlief453ba02008-11-07 14:05:41 -0800538 *
539 * Each connector may be connected to one or more CRTCs, or may be clonable by
540 * another connector if they can share a CRTC. Each connector also has a specific
541 * position in the broader display (referred to as a 'screen' though it could
542 * span multiple monitors).
543 */
544struct drm_connector {
545 struct drm_device *dev;
546 struct device kdev;
547 struct device_attribute *attr;
548 struct list_head head;
549
550 struct drm_mode_object base;
551
552 int connector_type;
553 int connector_type_id;
554 bool interlace_allowed;
555 bool doublescan_allowed;
556 struct list_head modes; /* list of modes on this connector */
557
Dave Airlief453ba02008-11-07 14:05:41 -0800558 enum drm_connector_status status;
559
560 /* these are modes added by probing with DDC or the BIOS */
561 struct list_head probed_modes;
562
563 struct drm_display_info display_info;
564 const struct drm_connector_funcs *funcs;
565
566 struct list_head user_modes;
567 struct drm_property_blob *edid_blob_ptr;
568 u32 property_ids[DRM_CONNECTOR_MAX_PROPERTY];
569 uint64_t property_values[DRM_CONNECTOR_MAX_PROPERTY];
570
Dave Airlieeb1f8e42010-05-07 06:42:51 +0000571 uint8_t polled; /* DRM_CONNECTOR_POLL_* */
572
Keith Packardc9fb15f2009-05-30 20:42:28 -0700573 /* requested DPMS state */
574 int dpms;
575
Dave Airlief453ba02008-11-07 14:05:41 -0800576 void *helper_private;
577
Dave Airlied50ba252009-09-23 14:44:08 +1000578 /* forced on connector */
579 enum drm_connector_force force;
Dave Airlief453ba02008-11-07 14:05:41 -0800580 uint32_t encoder_ids[DRM_CONNECTOR_MAX_ENCODER];
Dave Airlief453ba02008-11-07 14:05:41 -0800581 struct drm_encoder *encoder; /* currently active encoder */
Dave Airlie4a9a8b72011-06-14 06:13:55 +0000582
Wu Fengguang76adaa32011-09-05 14:23:20 +0800583 /* EDID bits */
584 uint8_t eld[MAX_ELD_BYTES];
585 bool dvi_dual;
586 int max_tmds_clock; /* in MHz */
587 bool latency_present[2];
588 int video_latency[2]; /* [0]: progressive, [1]: interlaced */
589 int audio_latency[2];
Dave Airlie4a9a8b72011-06-14 06:13:55 +0000590 int null_edid_counter; /* needed to workaround some HW bugs where we get all 0s */
Dave Airlief453ba02008-11-07 14:05:41 -0800591};
592
593/**
Jesse Barnes8cf5c912011-11-14 14:51:27 -0800594 * drm_plane_funcs - driver plane control functions
595 * @update_plane: update the plane configuration
596 * @disable_plane: shut down the plane
597 * @destroy: clean up plane resources
598 */
599struct drm_plane_funcs {
600 int (*update_plane)(struct drm_plane *plane,
601 struct drm_crtc *crtc, struct drm_framebuffer *fb,
602 int crtc_x, int crtc_y,
603 unsigned int crtc_w, unsigned int crtc_h,
604 uint32_t src_x, uint32_t src_y,
605 uint32_t src_w, uint32_t src_h);
606 int (*disable_plane)(struct drm_plane *plane);
607 void (*destroy)(struct drm_plane *plane);
608};
609
610/**
611 * drm_plane - central DRM plane control structure
612 * @dev: DRM device this plane belongs to
613 * @head: for list management
614 * @base: base mode object
615 * @possible_crtcs: pipes this plane can be bound to
616 * @format_types: array of formats supported by this plane
617 * @format_count: number of formats supported
618 * @crtc: currently bound CRTC
619 * @fb: currently bound fb
620 * @gamma_size: size of gamma table
621 * @gamma_store: gamma correction table
622 * @enabled: enabled flag
623 * @funcs: helper functions
624 * @helper_private: storage for drver layer
625 */
626struct drm_plane {
627 struct drm_device *dev;
628 struct list_head head;
629
630 struct drm_mode_object base;
631
632 uint32_t possible_crtcs;
633 uint32_t *format_types;
634 uint32_t format_count;
635
636 struct drm_crtc *crtc;
637 struct drm_framebuffer *fb;
638
639 /* CRTC gamma size for reporting to userspace */
640 uint32_t gamma_size;
641 uint16_t *gamma_store;
642
643 bool enabled;
644
645 const struct drm_plane_funcs *funcs;
646 void *helper_private;
647};
648
649/**
Jesse Barnesef273512011-11-07 12:03:19 -0800650 * drm_mode_set - new values for a CRTC config change
651 * @head: list management
652 * @fb: framebuffer to use for new config
653 * @crtc: CRTC whose configuration we're about to change
654 * @mode: mode timings to use
655 * @x: position of this CRTC relative to @fb
656 * @y: position of this CRTC relative to @fb
657 * @connectors: array of connectors to drive with this CRTC if possible
658 * @num_connectors: size of @connectors array
Dave Airlief453ba02008-11-07 14:05:41 -0800659 *
660 * Represents a single crtc the connectors that it drives with what mode
661 * and from which framebuffer it scans out from.
662 *
663 * This is used to set modes.
664 */
665struct drm_mode_set {
666 struct list_head head;
667
668 struct drm_framebuffer *fb;
669 struct drm_crtc *crtc;
670 struct drm_display_mode *mode;
671
672 uint32_t x;
673 uint32_t y;
674
675 struct drm_connector **connectors;
676 size_t num_connectors;
677};
678
679/**
Jesse Barnes550cebc2011-11-07 12:03:20 -0800680 * struct drm_mode_config_funcs - basic driver provided mode setting functions
681 * @fb_create: create a new framebuffer object
682 * @output_poll_changed: function to handle output configuration changes
683 *
684 * Some global (i.e. not per-CRTC, connector, etc) mode setting functions that
685 * involve drivers.
Dave Airlief453ba02008-11-07 14:05:41 -0800686 */
687struct drm_mode_config_funcs {
Jesse Barnes550cebc2011-11-07 12:03:20 -0800688 struct drm_framebuffer *(*fb_create)(struct drm_device *dev,
689 struct drm_file *file_priv,
690 struct drm_mode_fb_cmd2 *mode_cmd);
Dave Airlieeb1f8e42010-05-07 06:42:51 +0000691 void (*output_poll_changed)(struct drm_device *dev);
Dave Airlief453ba02008-11-07 14:05:41 -0800692};
693
Jesse Barnesc1aaca22011-11-07 12:03:21 -0800694/**
695 * drm_mode_group - group of mode setting resources for potential sub-grouping
696 * @num_crtcs: CRTC count
697 * @num_encoders: encoder count
698 * @num_connectors: connector count
699 * @id_list: list of KMS object IDs in this group
700 *
701 * Currently this simply tracks the global mode setting state. But in the
702 * future it could allow groups of objects to be set aside into independent
703 * control groups for use by different user level processes (e.g. two X servers
704 * running simultaneously on different heads, each with their own mode
705 * configuration and freedom of mode setting).
706 */
Dave Airlief453ba02008-11-07 14:05:41 -0800707struct drm_mode_group {
708 uint32_t num_crtcs;
709 uint32_t num_encoders;
710 uint32_t num_connectors;
711
712 /* list of object IDs for this group */
713 uint32_t *id_list;
714};
715
716/**
717 * drm_mode_config - Mode configuration control structure
Jesse Barnesa62c93d2011-11-07 12:03:22 -0800718 * @mutex: mutex protecting KMS related lists and structures
719 * @idr_mutex: mutex for KMS ID allocation and management
720 * @crtc_idr: main KMS ID tracking object
721 * @num_fb: number of fbs available
722 * @fb_list: list of framebuffers available
723 * @num_connector: number of connectors on this device
724 * @connector_list: list of connector objects
725 * @num_encoder: number of encoders on this device
726 * @encoder_list: list of encoder objects
727 * @num_crtc: number of CRTCs on this device
728 * @crtc_list: list of CRTC objects
729 * @min_width: minimum pixel width on this device
730 * @min_height: minimum pixel height on this device
731 * @max_width: maximum pixel width on this device
732 * @max_height: maximum pixel height on this device
733 * @funcs: core driver provided mode setting functions
734 * @fb_base: base address of the framebuffer
735 * @poll_enabled: track polling status for this device
736 * @output_poll_work: delayed work for polling in process context
737 * @*_property: core property tracking
Dave Airlief453ba02008-11-07 14:05:41 -0800738 *
Jesse Barnesa62c93d2011-11-07 12:03:22 -0800739 * Core mode resource tracking structure. All CRTC, encoders, and connectors
740 * enumerated by the driver are added here, as are global properties. Some
741 * global restrictions are also here, e.g. dimension restrictions.
Dave Airlief453ba02008-11-07 14:05:41 -0800742 */
743struct drm_mode_config {
Jesse Barnesad2563c2009-01-19 17:21:45 +1000744 struct mutex mutex; /* protects configuration (mode lists etc.) */
745 struct mutex idr_mutex; /* for IDR management */
Dave Airlief453ba02008-11-07 14:05:41 -0800746 struct idr crtc_idr; /* use this idr for all IDs, fb, crtc, connector, modes - just makes life easier */
747 /* this is limited to one for now */
748 int num_fb;
749 struct list_head fb_list;
750 int num_connector;
751 struct list_head connector_list;
752 int num_encoder;
753 struct list_head encoder_list;
Jesse Barnes8cf5c912011-11-14 14:51:27 -0800754 int num_plane;
755 struct list_head plane_list;
Dave Airlief453ba02008-11-07 14:05:41 -0800756
757 int num_crtc;
758 struct list_head crtc_list;
759
760 struct list_head property_list;
761
Dave Airlief453ba02008-11-07 14:05:41 -0800762 int min_width, min_height;
763 int max_width, max_height;
764 struct drm_mode_config_funcs *funcs;
Benjamin Herrenschmidtd883f7f2009-02-02 16:55:45 +1100765 resource_size_t fb_base;
Dave Airlief453ba02008-11-07 14:05:41 -0800766
Dave Airlieeb1f8e42010-05-07 06:42:51 +0000767 /* output poll support */
768 bool poll_enabled;
Tejun Heo991ea752010-07-20 22:09:02 +0200769 struct delayed_work output_poll_work;
Dave Airlieeb1f8e42010-05-07 06:42:51 +0000770
Dave Airlief453ba02008-11-07 14:05:41 -0800771 /* pointers to standard properties */
772 struct list_head property_blob_list;
773 struct drm_property *edid_property;
774 struct drm_property *dpms_property;
775
776 /* DVI-I properties */
777 struct drm_property *dvi_i_subconnector_property;
778 struct drm_property *dvi_i_select_subconnector_property;
779
780 /* TV properties */
781 struct drm_property *tv_subconnector_property;
782 struct drm_property *tv_select_subconnector_property;
783 struct drm_property *tv_mode_property;
784 struct drm_property *tv_left_margin_property;
785 struct drm_property *tv_right_margin_property;
786 struct drm_property *tv_top_margin_property;
787 struct drm_property *tv_bottom_margin_property;
Francisco Jerezb6b79022009-08-02 04:19:20 +0200788 struct drm_property *tv_brightness_property;
789 struct drm_property *tv_contrast_property;
790 struct drm_property *tv_flicker_reduction_property;
Francisco Jereza75f0232009-08-12 02:30:10 +0200791 struct drm_property *tv_overscan_property;
792 struct drm_property *tv_saturation_property;
793 struct drm_property *tv_hue_property;
Dave Airlief453ba02008-11-07 14:05:41 -0800794
795 /* Optional properties */
796 struct drm_property *scaling_mode_property;
797 struct drm_property *dithering_mode_property;
Jakob Bornecrantz884840a2009-12-03 23:25:47 +0000798 struct drm_property *dirty_info_property;
Dave Airlief453ba02008-11-07 14:05:41 -0800799};
800
801#define obj_to_crtc(x) container_of(x, struct drm_crtc, base)
802#define obj_to_connector(x) container_of(x, struct drm_connector, base)
803#define obj_to_encoder(x) container_of(x, struct drm_encoder, base)
804#define obj_to_mode(x) container_of(x, struct drm_display_mode, base)
805#define obj_to_fb(x) container_of(x, struct drm_framebuffer, base)
806#define obj_to_property(x) container_of(x, struct drm_property, base)
807#define obj_to_blob(x) container_of(x, struct drm_property_blob, base)
Jesse Barnes8cf5c912011-11-14 14:51:27 -0800808#define obj_to_plane(x) container_of(x, struct drm_plane, base)
Dave Airlief453ba02008-11-07 14:05:41 -0800809
810
811extern void drm_crtc_init(struct drm_device *dev,
812 struct drm_crtc *crtc,
813 const struct drm_crtc_funcs *funcs);
814extern void drm_crtc_cleanup(struct drm_crtc *crtc);
815
816extern void drm_connector_init(struct drm_device *dev,
817 struct drm_connector *connector,
818 const struct drm_connector_funcs *funcs,
819 int connector_type);
820
821extern void drm_connector_cleanup(struct drm_connector *connector);
822
823extern void drm_encoder_init(struct drm_device *dev,
824 struct drm_encoder *encoder,
825 const struct drm_encoder_funcs *funcs,
826 int encoder_type);
827
Jesse Barnes8cf5c912011-11-14 14:51:27 -0800828extern int drm_plane_init(struct drm_device *dev,
829 struct drm_plane *plane,
830 unsigned long possible_crtcs,
831 const struct drm_plane_funcs *funcs,
Rob Clark0a7eb242011-12-13 20:19:36 -0600832 const uint32_t *formats, uint32_t format_count,
833 bool priv);
Jesse Barnes8cf5c912011-11-14 14:51:27 -0800834extern void drm_plane_cleanup(struct drm_plane *plane);
835
Dave Airlief453ba02008-11-07 14:05:41 -0800836extern void drm_encoder_cleanup(struct drm_encoder *encoder);
837
838extern char *drm_get_connector_name(struct drm_connector *connector);
839extern char *drm_get_dpms_name(int val);
840extern char *drm_get_dvi_i_subconnector_name(int val);
841extern char *drm_get_dvi_i_select_name(int val);
842extern char *drm_get_tv_subconnector_name(int val);
843extern char *drm_get_tv_select_name(int val);
Kristian Høgsbergea39f832009-02-12 14:37:56 -0500844extern void drm_fb_release(struct drm_file *file_priv);
Dave Airlief453ba02008-11-07 14:05:41 -0800845extern int drm_mode_group_init_legacy_group(struct drm_device *dev, struct drm_mode_group *group);
846extern struct edid *drm_get_edid(struct drm_connector *connector,
847 struct i2c_adapter *adapter);
Dave Airlief453ba02008-11-07 14:05:41 -0800848extern int drm_add_edid_modes(struct drm_connector *connector, struct edid *edid);
849extern void drm_mode_probed_add(struct drm_connector *connector, struct drm_display_mode *mode);
850extern void drm_mode_remove(struct drm_connector *connector, struct drm_display_mode *mode);
851extern struct drm_display_mode *drm_mode_duplicate(struct drm_device *dev,
Chris Wilsonb1f559e2011-01-26 09:49:47 +0000852 const struct drm_display_mode *mode);
Dave Airlief453ba02008-11-07 14:05:41 -0800853extern void drm_mode_debug_printmodeline(struct drm_display_mode *mode);
854extern void drm_mode_config_init(struct drm_device *dev);
Chris Wilsoneb033552011-01-24 15:11:08 +0000855extern void drm_mode_config_reset(struct drm_device *dev);
Dave Airlief453ba02008-11-07 14:05:41 -0800856extern void drm_mode_config_cleanup(struct drm_device *dev);
857extern void drm_mode_set_name(struct drm_display_mode *mode);
858extern bool drm_mode_equal(struct drm_display_mode *mode1, struct drm_display_mode *mode2);
859extern int drm_mode_width(struct drm_display_mode *mode);
860extern int drm_mode_height(struct drm_display_mode *mode);
861
862/* for us by fb module */
863extern int drm_mode_attachmode_crtc(struct drm_device *dev,
864 struct drm_crtc *crtc,
865 struct drm_display_mode *mode);
866extern int drm_mode_detachmode_crtc(struct drm_device *dev, struct drm_display_mode *mode);
867
868extern struct drm_display_mode *drm_mode_create(struct drm_device *dev);
869extern void drm_mode_destroy(struct drm_device *dev, struct drm_display_mode *mode);
870extern void drm_mode_list_concat(struct list_head *head,
871 struct list_head *new);
872extern void drm_mode_validate_size(struct drm_device *dev,
873 struct list_head *mode_list,
874 int maxX, int maxY, int maxPitch);
875extern void drm_mode_prune_invalid(struct drm_device *dev,
876 struct list_head *mode_list, bool verbose);
877extern void drm_mode_sort(struct list_head *mode_list);
Chris Wilsonb1f559e2011-01-26 09:49:47 +0000878extern int drm_mode_hsync(const struct drm_display_mode *mode);
879extern int drm_mode_vrefresh(const struct drm_display_mode *mode);
Dave Airlief453ba02008-11-07 14:05:41 -0800880extern void drm_mode_set_crtcinfo(struct drm_display_mode *p,
881 int adjust_flags);
882extern void drm_mode_connector_list_update(struct drm_connector *connector);
883extern int drm_mode_connector_update_edid_property(struct drm_connector *connector,
884 struct edid *edid);
885extern int drm_connector_property_set_value(struct drm_connector *connector,
886 struct drm_property *property,
887 uint64_t value);
888extern int drm_connector_property_get_value(struct drm_connector *connector,
889 struct drm_property *property,
890 uint64_t *value);
891extern struct drm_display_mode *drm_crtc_mode_create(struct drm_device *dev);
892extern void drm_framebuffer_set_object(struct drm_device *dev,
893 unsigned long handle);
894extern int drm_framebuffer_init(struct drm_device *dev,
895 struct drm_framebuffer *fb,
896 const struct drm_framebuffer_funcs *funcs);
897extern void drm_framebuffer_cleanup(struct drm_framebuffer *fb);
898extern int drmfb_probe(struct drm_device *dev, struct drm_crtc *crtc);
899extern int drmfb_remove(struct drm_device *dev, struct drm_framebuffer *fb);
900extern void drm_crtc_probe_connector_modes(struct drm_device *dev, int maxX, int maxY);
901extern bool drm_crtc_in_use(struct drm_crtc *crtc);
902
903extern int drm_connector_attach_property(struct drm_connector *connector,
904 struct drm_property *property, uint64_t init_val);
905extern struct drm_property *drm_property_create(struct drm_device *dev, int flags,
906 const char *name, int num_values);
907extern void drm_property_destroy(struct drm_device *dev, struct drm_property *property);
908extern int drm_property_add_enum(struct drm_property *property, int index,
909 uint64_t value, const char *name);
910extern int drm_mode_create_dvi_i_properties(struct drm_device *dev);
911extern int drm_mode_create_tv_properties(struct drm_device *dev, int num_formats,
912 char *formats[]);
913extern int drm_mode_create_scaling_mode_property(struct drm_device *dev);
914extern int drm_mode_create_dithering_property(struct drm_device *dev);
Jakob Bornecrantz884840a2009-12-03 23:25:47 +0000915extern int drm_mode_create_dirty_info_property(struct drm_device *dev);
Dave Airlief453ba02008-11-07 14:05:41 -0800916extern char *drm_get_encoder_name(struct drm_encoder *encoder);
917
918extern int drm_mode_connector_attach_encoder(struct drm_connector *connector,
919 struct drm_encoder *encoder);
920extern void drm_mode_connector_detach_encoder(struct drm_connector *connector,
921 struct drm_encoder *encoder);
922extern bool drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc,
923 int gamma_size);
Daniel Vetter7a9c9062009-09-15 22:57:31 +0200924extern struct drm_mode_object *drm_mode_object_find(struct drm_device *dev,
925 uint32_t id, uint32_t type);
Dave Airlief453ba02008-11-07 14:05:41 -0800926/* IOCTLs */
927extern int drm_mode_getresources(struct drm_device *dev,
928 void *data, struct drm_file *file_priv);
Jesse Barnes8cf5c912011-11-14 14:51:27 -0800929extern int drm_mode_getplane_res(struct drm_device *dev, void *data,
930 struct drm_file *file_priv);
Dave Airlief453ba02008-11-07 14:05:41 -0800931extern int drm_mode_getcrtc(struct drm_device *dev,
932 void *data, struct drm_file *file_priv);
933extern int drm_mode_getconnector(struct drm_device *dev,
934 void *data, struct drm_file *file_priv);
935extern int drm_mode_setcrtc(struct drm_device *dev,
936 void *data, struct drm_file *file_priv);
Jesse Barnes8cf5c912011-11-14 14:51:27 -0800937extern int drm_mode_getplane(struct drm_device *dev,
938 void *data, struct drm_file *file_priv);
939extern int drm_mode_setplane(struct drm_device *dev,
940 void *data, struct drm_file *file_priv);
Dave Airlief453ba02008-11-07 14:05:41 -0800941extern int drm_mode_cursor_ioctl(struct drm_device *dev,
942 void *data, struct drm_file *file_priv);
943extern int drm_mode_addfb(struct drm_device *dev,
944 void *data, struct drm_file *file_priv);
Jesse Barnes308e5bc2011-11-14 14:51:28 -0800945extern int drm_mode_addfb2(struct drm_device *dev,
946 void *data, struct drm_file *file_priv);
947extern uint32_t drm_mode_legacy_fb_format(uint32_t bpp, uint32_t depth);
Dave Airlief453ba02008-11-07 14:05:41 -0800948extern int drm_mode_rmfb(struct drm_device *dev,
949 void *data, struct drm_file *file_priv);
950extern int drm_mode_getfb(struct drm_device *dev,
951 void *data, struct drm_file *file_priv);
Jakob Bornecrantz884840a2009-12-03 23:25:47 +0000952extern int drm_mode_dirtyfb_ioctl(struct drm_device *dev,
953 void *data, struct drm_file *file_priv);
Dave Airlief453ba02008-11-07 14:05:41 -0800954extern int drm_mode_addmode_ioctl(struct drm_device *dev,
955 void *data, struct drm_file *file_priv);
956extern int drm_mode_rmmode_ioctl(struct drm_device *dev,
957 void *data, struct drm_file *file_priv);
958extern int drm_mode_attachmode_ioctl(struct drm_device *dev,
959 void *data, struct drm_file *file_priv);
960extern int drm_mode_detachmode_ioctl(struct drm_device *dev,
961 void *data, struct drm_file *file_priv);
962
963extern int drm_mode_getproperty_ioctl(struct drm_device *dev,
964 void *data, struct drm_file *file_priv);
965extern int drm_mode_getblob_ioctl(struct drm_device *dev,
966 void *data, struct drm_file *file_priv);
967extern int drm_mode_connector_property_set_ioctl(struct drm_device *dev,
968 void *data, struct drm_file *file_priv);
969extern int drm_mode_hotplug_ioctl(struct drm_device *dev,
970 void *data, struct drm_file *file_priv);
971extern int drm_mode_replacefb(struct drm_device *dev,
972 void *data, struct drm_file *file_priv);
973extern int drm_mode_getencoder(struct drm_device *dev,
974 void *data, struct drm_file *file_priv);
975extern int drm_mode_gamma_get_ioctl(struct drm_device *dev,
976 void *data, struct drm_file *file_priv);
977extern int drm_mode_gamma_set_ioctl(struct drm_device *dev,
978 void *data, struct drm_file *file_priv);
Ben Skeggseccaca22011-03-30 05:03:47 +0000979extern u8 *drm_find_cea_extension(struct edid *edid);
Ma Lingf23c20c2009-03-26 19:26:23 +0800980extern bool drm_detect_hdmi_monitor(struct edid *edid);
Zhenyu Wang8fe97902010-09-19 14:27:28 +0800981extern bool drm_detect_monitor_audio(struct edid *edid);
Kristian Høgsbergd91d8a32009-11-17 12:43:55 -0500982extern int drm_mode_page_flip_ioctl(struct drm_device *dev,
983 void *data, struct drm_file *file_priv);
Zhao Yakuid782c3f2009-06-22 13:17:08 +0800984extern struct drm_display_mode *drm_cvt_mode(struct drm_device *dev,
985 int hdisplay, int vdisplay, int vrefresh,
Dave Airlied50ba252009-09-23 14:44:08 +1000986 bool reduced, bool interlaced, bool margins);
Zhao Yakui26bbdad2009-06-22 13:17:09 +0800987extern struct drm_display_mode *drm_gtf_mode(struct drm_device *dev,
988 int hdisplay, int vdisplay, int vrefresh,
989 bool interlaced, int margins);
Adam Jackson7a374352010-03-29 21:43:30 +0000990extern struct drm_display_mode *drm_gtf_mode_complex(struct drm_device *dev,
991 int hdisplay, int vdisplay, int vrefresh,
992 bool interlaced, int margins, int GTF_M,
993 int GTF_2C, int GTF_K, int GTF_2J);
Zhao Yakuif0fda0a2009-09-03 09:33:48 +0800994extern int drm_add_modes_noedid(struct drm_connector *connector,
995 int hdisplay, int vdisplay);
Alex Deucher3c537882010-02-05 04:21:19 -0500996
Thomas Reim051963d2011-07-29 14:28:57 +0000997extern int drm_edid_header_is_valid(const u8 *raw_edid);
Alex Deucher3c537882010-02-05 04:21:19 -0500998extern bool drm_edid_is_valid(struct edid *edid);
Dave Airlie1d42bbc2010-05-07 05:02:30 +0000999struct drm_display_mode *drm_mode_find_dmt(struct drm_device *dev,
1000 int hsize, int vsize, int fresh);
Dave Airlieff72145b2011-02-07 12:16:14 +10001001
1002extern int drm_mode_create_dumb_ioctl(struct drm_device *dev,
1003 void *data, struct drm_file *file_priv);
1004extern int drm_mode_mmap_dumb_ioctl(struct drm_device *dev,
1005 void *data, struct drm_file *file_priv);
1006extern int drm_mode_destroy_dumb_ioctl(struct drm_device *dev,
1007 void *data, struct drm_file *file_priv);
Dave Airlie248dbc22011-11-29 20:02:54 +00001008
1009extern void drm_fb_get_bpp_depth(uint32_t format, unsigned int *depth,
1010 int *bpp);
Dave Airlief453ba02008-11-07 14:05:41 -08001011#endif /* __DRM_CRTC_H__ */