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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>
David Howells19218e42012-10-02 18:01:03 +010033#include <drm/drm_mode.h>
Dave Airlief453ba02008-11-07 14:05:41 -080034
Jesse Barnes308e5bc2011-11-14 14:51:28 -080035#include <drm/drm_fourcc.h>
36
Dave Airlief453ba02008-11-07 14:05:41 -080037struct drm_device;
38struct drm_mode_set;
39struct drm_framebuffer;
Paulo Zanoni7e3bdf42012-05-15 18:09:01 -030040struct drm_object_properties;
Dave Airlief453ba02008-11-07 14:05:41 -080041
42
43#define DRM_MODE_OBJECT_CRTC 0xcccccccc
44#define DRM_MODE_OBJECT_CONNECTOR 0xc0c0c0c0
45#define DRM_MODE_OBJECT_ENCODER 0xe0e0e0e0
46#define DRM_MODE_OBJECT_MODE 0xdededede
47#define DRM_MODE_OBJECT_PROPERTY 0xb0b0b0b0
48#define DRM_MODE_OBJECT_FB 0xfbfbfbfb
49#define DRM_MODE_OBJECT_BLOB 0xbbbbbbbb
Jesse Barnes8cf5c912011-11-14 14:51:27 -080050#define DRM_MODE_OBJECT_PLANE 0xeeeeeeee
Dave Airlief453ba02008-11-07 14:05:41 -080051
52struct drm_mode_object {
53 uint32_t id;
54 uint32_t type;
Paulo Zanoni7e3bdf42012-05-15 18:09:01 -030055 struct drm_object_properties *properties;
56};
57
Paulo Zanonife456162012-06-12 11:27:01 -030058#define DRM_OBJECT_MAX_PROPERTY 24
Paulo Zanoni7e3bdf42012-05-15 18:09:01 -030059struct drm_object_properties {
Paulo Zanoni7f88a9b2012-05-15 18:09:04 -030060 int count;
Paulo Zanoni7e3bdf42012-05-15 18:09:01 -030061 uint32_t ids[DRM_OBJECT_MAX_PROPERTY];
62 uint64_t values[DRM_OBJECT_MAX_PROPERTY];
Dave Airlief453ba02008-11-07 14:05:41 -080063};
64
65/*
66 * Note on terminology: here, for brevity and convenience, we refer to connector
67 * control chips as 'CRTCs'. They can control any type of connector, VGA, LVDS,
68 * DVI, etc. And 'screen' refers to the whole of the visible display, which
69 * may span multiple monitors (and therefore multiple CRTC and connector
70 * structures).
71 */
72
73enum drm_mode_status {
74 MODE_OK = 0, /* Mode OK */
75 MODE_HSYNC, /* hsync out of range */
76 MODE_VSYNC, /* vsync out of range */
77 MODE_H_ILLEGAL, /* mode has illegal horizontal timings */
78 MODE_V_ILLEGAL, /* mode has illegal horizontal timings */
79 MODE_BAD_WIDTH, /* requires an unsupported linepitch */
Lucas De Marchi25985ed2011-03-30 22:57:33 -030080 MODE_NOMODE, /* no mode with a matching name */
Dave Airlief453ba02008-11-07 14:05:41 -080081 MODE_NO_INTERLACE, /* interlaced mode not supported */
82 MODE_NO_DBLESCAN, /* doublescan mode not supported */
83 MODE_NO_VSCAN, /* multiscan mode not supported */
84 MODE_MEM, /* insufficient video memory */
85 MODE_VIRTUAL_X, /* mode width too large for specified virtual size */
86 MODE_VIRTUAL_Y, /* mode height too large for specified virtual size */
87 MODE_MEM_VIRT, /* insufficient video memory given virtual size */
88 MODE_NOCLOCK, /* no fixed clock available */
89 MODE_CLOCK_HIGH, /* clock required is too high */
90 MODE_CLOCK_LOW, /* clock required is too low */
91 MODE_CLOCK_RANGE, /* clock/mode isn't in a ClockRange */
92 MODE_BAD_HVALUE, /* horizontal timing was out of range */
93 MODE_BAD_VVALUE, /* vertical timing was out of range */
94 MODE_BAD_VSCAN, /* VScan value out of range */
95 MODE_HSYNC_NARROW, /* horizontal sync too narrow */
96 MODE_HSYNC_WIDE, /* horizontal sync too wide */
97 MODE_HBLANK_NARROW, /* horizontal blanking too narrow */
98 MODE_HBLANK_WIDE, /* horizontal blanking too wide */
99 MODE_VSYNC_NARROW, /* vertical sync too narrow */
100 MODE_VSYNC_WIDE, /* vertical sync too wide */
101 MODE_VBLANK_NARROW, /* vertical blanking too narrow */
102 MODE_VBLANK_WIDE, /* vertical blanking too wide */
103 MODE_PANEL, /* exceeds panel dimensions */
104 MODE_INTERLACE_WIDTH, /* width too large for interlaced mode */
105 MODE_ONE_WIDTH, /* only one width is supported */
106 MODE_ONE_HEIGHT, /* only one height is supported */
107 MODE_ONE_SIZE, /* only one resolution is supported */
108 MODE_NO_REDUCED, /* monitor doesn't accept reduced blanking */
109 MODE_UNVERIFIED = -3, /* mode needs to reverified */
110 MODE_BAD = -2, /* unspecified reason */
111 MODE_ERROR = -1 /* error condition */
112};
113
114#define DRM_MODE_TYPE_CLOCK_CRTC_C (DRM_MODE_TYPE_CLOCK_C | \
115 DRM_MODE_TYPE_CRTC_C)
116
117#define DRM_MODE(nm, t, c, hd, hss, hse, ht, hsk, vd, vss, vse, vt, vs, f) \
118 .name = nm, .status = 0, .type = (t), .clock = (c), \
119 .hdisplay = (hd), .hsync_start = (hss), .hsync_end = (hse), \
120 .htotal = (ht), .hskew = (hsk), .vdisplay = (vd), \
121 .vsync_start = (vss), .vsync_end = (vse), .vtotal = (vt), \
Ville Syrjälä22f5d112012-08-14 10:53:38 +0000122 .vscan = (vs), .flags = (f), .vrefresh = 0, \
123 .base.type = DRM_MODE_OBJECT_MODE
Dave Airlief453ba02008-11-07 14:05:41 -0800124
125#define CRTC_INTERLACE_HALVE_V 0x1 /* halve V values for interlacing */
126
127struct drm_display_mode {
128 /* Header */
129 struct list_head head;
130 struct drm_mode_object base;
131
132 char name[DRM_DISPLAY_MODE_LEN];
133
Dave Airlief453ba02008-11-07 14:05:41 -0800134 enum drm_mode_status status;
Ville Syrjälä2fcfc752012-03-13 12:35:39 +0200135 unsigned int type;
Dave Airlief453ba02008-11-07 14:05:41 -0800136
137 /* Proposed mode values */
Adam Jackson7ac96a92009-12-03 17:44:37 -0500138 int clock; /* in kHz */
Dave Airlief453ba02008-11-07 14:05:41 -0800139 int hdisplay;
140 int hsync_start;
141 int hsync_end;
142 int htotal;
143 int hskew;
144 int vdisplay;
145 int vsync_start;
146 int vsync_end;
147 int vtotal;
148 int vscan;
149 unsigned int flags;
150
151 /* Addressable image size (may be 0 for projectors, etc.) */
152 int width_mm;
153 int height_mm;
154
155 /* Actual mode we give to hw */
156 int clock_index;
157 int synth_clock;
158 int crtc_hdisplay;
159 int crtc_hblank_start;
160 int crtc_hblank_end;
161 int crtc_hsync_start;
162 int crtc_hsync_end;
163 int crtc_htotal;
164 int crtc_hskew;
165 int crtc_vdisplay;
166 int crtc_vblank_start;
167 int crtc_vblank_end;
168 int crtc_vsync_start;
169 int crtc_vsync_end;
170 int crtc_vtotal;
Dave Airlief453ba02008-11-07 14:05:41 -0800171
172 /* Driver private mode info */
173 int private_size;
174 int *private;
175 int private_flags;
176
Adam Jackson7ac96a92009-12-03 17:44:37 -0500177 int vrefresh; /* in Hz */
178 int hsync; /* in kHz */
Dave Airlief453ba02008-11-07 14:05:41 -0800179};
180
181enum drm_connector_status {
182 connector_status_connected = 1,
183 connector_status_disconnected = 2,
184 connector_status_unknown = 3,
185};
186
187enum subpixel_order {
188 SubPixelUnknown = 0,
189 SubPixelHorizontalRGB,
190 SubPixelHorizontalBGR,
191 SubPixelVerticalRGB,
192 SubPixelVerticalBGR,
193 SubPixelNone,
194};
195
Jesse Barnesda05a5a72011-04-15 13:48:57 -0700196#define DRM_COLOR_FORMAT_RGB444 (1<<0)
197#define DRM_COLOR_FORMAT_YCRCB444 (1<<1)
198#define DRM_COLOR_FORMAT_YCRCB422 (1<<2)
Dave Airlief453ba02008-11-07 14:05:41 -0800199/*
200 * Describes a given display (e.g. CRT or flat panel) and its limitations.
201 */
202struct drm_display_info {
203 char name[DRM_DISPLAY_INFO_LEN];
Adam Jacksonfb439642010-08-03 14:38:16 -0400204
Dave Airlief453ba02008-11-07 14:05:41 -0800205 /* Physical size */
206 unsigned int width_mm;
207 unsigned int height_mm;
208
Dave Airlief453ba02008-11-07 14:05:41 -0800209 /* Clock limits FIXME: storage format */
210 unsigned int min_vfreq, max_vfreq;
211 unsigned int min_hfreq, max_hfreq;
212 unsigned int pixel_clock;
Jesse Barnes3b112282011-04-15 12:49:23 -0700213 unsigned int bpc;
Dave Airlief453ba02008-11-07 14:05:41 -0800214
Dave Airlief453ba02008-11-07 14:05:41 -0800215 enum subpixel_order subpixel_order;
Jesse Barnesda05a5a72011-04-15 13:48:57 -0700216 u32 color_formats;
Dave Airlief453ba02008-11-07 14:05:41 -0800217
Jesse Barnesebec9a72011-08-03 09:22:54 -0700218 u8 cea_rev;
Dave Airlief453ba02008-11-07 14:05:41 -0800219};
220
221struct drm_framebuffer_funcs {
Rob Clarkf7eff602012-09-05 21:48:38 +0000222 /* note: use drm_framebuffer_remove() */
Dave Airlief453ba02008-11-07 14:05:41 -0800223 void (*destroy)(struct drm_framebuffer *framebuffer);
224 int (*create_handle)(struct drm_framebuffer *fb,
225 struct drm_file *file_priv,
226 unsigned int *handle);
Jakob Bornecrantz884840a2009-12-03 23:25:47 +0000227 /**
228 * Optinal callback for the dirty fb ioctl.
229 *
230 * Userspace can notify the driver via this callback
231 * that a area of the framebuffer has changed and should
232 * be flushed to the display hardware.
233 *
234 * See documentation in drm_mode.h for the struct
235 * drm_mode_fb_dirty_cmd for more information as all
236 * the semantics and arguments have a one to one mapping
237 * on this function.
238 */
Thomas Hellstrom02b00162010-10-05 12:43:02 +0200239 int (*dirty)(struct drm_framebuffer *framebuffer,
240 struct drm_file *file_priv, unsigned flags,
Jakob Bornecrantz884840a2009-12-03 23:25:47 +0000241 unsigned color, struct drm_clip_rect *clips,
242 unsigned num_clips);
Dave Airlief453ba02008-11-07 14:05:41 -0800243};
244
245struct drm_framebuffer {
246 struct drm_device *dev;
Rob Clarkf7eff602012-09-05 21:48:38 +0000247 /*
248 * Note that the fb is refcounted for the benefit of driver internals,
249 * for example some hw, disabling a CRTC/plane is asynchronous, and
250 * scanout does not actually complete until the next vblank. So some
251 * cleanup (like releasing the reference(s) on the backing GEM bo(s))
252 * should be deferred. In cases like this, the driver would like to
253 * hold a ref to the fb even though it has already been removed from
254 * userspace perspective.
255 */
256 struct kref refcount;
Dave Airlief453ba02008-11-07 14:05:41 -0800257 struct list_head head;
258 struct drm_mode_object base;
259 const struct drm_framebuffer_funcs *funcs;
Ville Syrjälä01f2c772011-12-20 00:06:49 +0200260 unsigned int pitches[4];
261 unsigned int offsets[4];
Dave Airlief453ba02008-11-07 14:05:41 -0800262 unsigned int width;
263 unsigned int height;
264 /* depth can be 15 or 16 */
265 unsigned int depth;
266 int bits_per_pixel;
267 int flags;
Jesse Barnes308e5bc2011-11-14 14:51:28 -0800268 uint32_t pixel_format; /* fourcc format */
Dave Airlief453ba02008-11-07 14:05:41 -0800269 struct list_head filp_head;
Dave Airlie785b93e2009-08-28 15:46:53 +1000270 /* if you are using the helper */
271 void *helper_private;
Dave Airlief453ba02008-11-07 14:05:41 -0800272};
273
274struct drm_property_blob {
275 struct drm_mode_object base;
276 struct list_head head;
277 unsigned int length;
Ville Syrjäläd63f5e62012-03-13 12:35:49 +0200278 unsigned char data[];
Dave Airlief453ba02008-11-07 14:05:41 -0800279};
280
281struct drm_property_enum {
282 uint64_t value;
283 struct list_head head;
284 char name[DRM_PROP_NAME_LEN];
285};
286
287struct drm_property {
288 struct list_head head;
289 struct drm_mode_object base;
290 uint32_t flags;
291 char name[DRM_PROP_NAME_LEN];
292 uint32_t num_values;
293 uint64_t *values;
294
295 struct list_head enum_blob_list;
296};
297
298struct drm_crtc;
299struct drm_connector;
300struct drm_encoder;
Kristian Høgsbergd91d8a32009-11-17 12:43:55 -0500301struct drm_pending_vblank_event;
Jesse Barnes8cf5c912011-11-14 14:51:27 -0800302struct drm_plane;
Dave Airlief453ba02008-11-07 14:05:41 -0800303
304/**
305 * drm_crtc_funcs - control CRTCs for a given device
Dave Airlief453ba02008-11-07 14:05:41 -0800306 * @save: save CRTC state
Laurent Pinchart3b02ab82012-05-17 13:27:20 +0200307 * @restore: restore CRTC state
308 * @reset: reset CRTC after state has been invalidate (e.g. resume)
309 * @cursor_set: setup the cursor
310 * @cursor_move: move the cursor
Dave Airlief453ba02008-11-07 14:05:41 -0800311 * @gamma_set: specify color ramp for CRTC
Paulo Zanonibffd9de02012-05-15 18:09:05 -0300312 * @destroy: deinit and free object
313 * @set_property: called when a property is changed
Laurent Pinchart3b02ab82012-05-17 13:27:20 +0200314 * @set_config: apply a new CRTC configuration
315 * @page_flip: initiate a page flip
Dave Airlief453ba02008-11-07 14:05:41 -0800316 *
317 * The drm_crtc_funcs structure is the central CRTC management structure
318 * in the DRM. Each CRTC controls one or more connectors (note that the name
319 * CRTC is simply historical, a CRTC may control LVDS, VGA, DVI, TV out, etc.
320 * connectors, not just CRTs).
321 *
322 * Each driver is responsible for filling out this structure at startup time,
323 * in addition to providing other modesetting features, like i2c and DDC
324 * bus accessors.
325 */
326struct drm_crtc_funcs {
327 /* Save CRTC state */
328 void (*save)(struct drm_crtc *crtc); /* suspend? */
329 /* Restore CRTC state */
330 void (*restore)(struct drm_crtc *crtc); /* resume? */
Chris Wilsoneb033552011-01-24 15:11:08 +0000331 /* Reset CRTC state */
332 void (*reset)(struct drm_crtc *crtc);
Dave Airlief453ba02008-11-07 14:05:41 -0800333
334 /* cursor controls */
335 int (*cursor_set)(struct drm_crtc *crtc, struct drm_file *file_priv,
336 uint32_t handle, uint32_t width, uint32_t height);
337 int (*cursor_move)(struct drm_crtc *crtc, int x, int y);
338
339 /* Set gamma on the CRTC */
340 void (*gamma_set)(struct drm_crtc *crtc, u16 *r, u16 *g, u16 *b,
James Simmons72034252010-08-03 01:33:19 +0100341 uint32_t start, uint32_t size);
Dave Airlief453ba02008-11-07 14:05:41 -0800342 /* Object destroy routine */
343 void (*destroy)(struct drm_crtc *crtc);
344
345 int (*set_config)(struct drm_mode_set *set);
Kristian Høgsbergd91d8a32009-11-17 12:43:55 -0500346
347 /*
348 * Flip to the given framebuffer. This implements the page
Lucas De Marchi25985ed2011-03-30 22:57:33 -0300349 * flip ioctl described in drm_mode.h, specifically, the
Kristian Høgsbergd91d8a32009-11-17 12:43:55 -0500350 * implementation must return immediately and block all
351 * rendering to the current fb until the flip has completed.
352 * If userspace set the event flag in the ioctl, the event
353 * argument will point to an event to send back when the flip
354 * completes, otherwise it will be NULL.
355 */
356 int (*page_flip)(struct drm_crtc *crtc,
357 struct drm_framebuffer *fb,
358 struct drm_pending_vblank_event *event);
Paulo Zanonibffd9de02012-05-15 18:09:05 -0300359
360 int (*set_property)(struct drm_crtc *crtc,
361 struct drm_property *property, uint64_t val);
Dave Airlief453ba02008-11-07 14:05:41 -0800362};
363
364/**
365 * drm_crtc - central CRTC control structure
Jesse Barnes77491632011-11-07 12:03:14 -0800366 * @dev: parent DRM device
367 * @head: list management
368 * @base: base KMS object for ID tracking etc.
Dave Airlief453ba02008-11-07 14:05:41 -0800369 * @enabled: is this CRTC enabled?
Jesse Barnes77491632011-11-07 12:03:14 -0800370 * @mode: current mode timings
371 * @hwmode: mode timings as programmed to hw regs
Rob Clark7c80e122012-09-04 16:35:56 +0000372 * @invert_dimensions: for purposes of error checking crtc vs fb sizes,
373 * invert the width/height of the crtc. This is used if the driver
374 * is performing 90 or 270 degree rotated scanout
Dave Airlief453ba02008-11-07 14:05:41 -0800375 * @x: x position on screen
376 * @y: y position on screen
Dave Airlief453ba02008-11-07 14:05:41 -0800377 * @funcs: CRTC control functions
Jesse Barnes77491632011-11-07 12:03:14 -0800378 * @gamma_size: size of gamma ramp
379 * @gamma_store: gamma ramp values
380 * @framedur_ns: precise frame timing
381 * @framedur_ns: precise line timing
382 * @pixeldur_ns: precise pixel timing
383 * @helper_private: mid-layer private data
Paulo Zanonibffd9de02012-05-15 18:09:05 -0300384 * @properties: property tracking for this CRTC
Dave Airlief453ba02008-11-07 14:05:41 -0800385 *
386 * Each CRTC may have one or more connectors associated with it. This structure
387 * allows the CRTC to be controlled.
388 */
389struct drm_crtc {
390 struct drm_device *dev;
391 struct list_head head;
392
393 struct drm_mode_object base;
394
395 /* framebuffer the connector is currently bound to */
396 struct drm_framebuffer *fb;
397
398 bool enabled;
399
Mario Kleiner27641c32010-10-23 04:20:23 +0200400 /* Requested mode from modesetting. */
Dave Airlief453ba02008-11-07 14:05:41 -0800401 struct drm_display_mode mode;
402
Mario Kleiner27641c32010-10-23 04:20:23 +0200403 /* Programmed mode in hw, after adjustments for encoders,
404 * crtc, panel scaling etc. Needed for timestamping etc.
405 */
406 struct drm_display_mode hwmode;
407
Rob Clark7c80e122012-09-04 16:35:56 +0000408 bool invert_dimensions;
409
Dave Airlief453ba02008-11-07 14:05:41 -0800410 int x, y;
Dave Airlief453ba02008-11-07 14:05:41 -0800411 const struct drm_crtc_funcs *funcs;
412
413 /* CRTC gamma size for reporting to userspace */
414 uint32_t gamma_size;
415 uint16_t *gamma_store;
416
Mario Kleiner27641c32010-10-23 04:20:23 +0200417 /* Constants needed for precise vblank and swap timestamping. */
418 s64 framedur_ns, linedur_ns, pixeldur_ns;
419
Dave Airlief453ba02008-11-07 14:05:41 -0800420 /* if you are using the helper */
421 void *helper_private;
Paulo Zanonibffd9de02012-05-15 18:09:05 -0300422
423 struct drm_object_properties properties;
Dave Airlief453ba02008-11-07 14:05:41 -0800424};
425
426
427/**
428 * drm_connector_funcs - control connectors on a given device
429 * @dpms: set power state (see drm_crtc_funcs above)
430 * @save: save connector state
431 * @restore: restore connector state
Chris Wilsoneb033552011-01-24 15:11:08 +0000432 * @reset: reset connector after state has been invalidate (e.g. resume)
Dave Airlief453ba02008-11-07 14:05:41 -0800433 * @detect: is this connector active?
Laurent Pinchart3b02ab82012-05-17 13:27:20 +0200434 * @fill_modes: fill mode list for this connector
Dave Airlief453ba02008-11-07 14:05:41 -0800435 * @set_property: property for this connector may need update
436 * @destroy: make object go away
Dave Airlied50ba252009-09-23 14:44:08 +1000437 * @force: notify the driver the connector is forced on
Dave Airlief453ba02008-11-07 14:05:41 -0800438 *
439 * Each CRTC may have one or more connectors attached to it. The functions
440 * below allow the core DRM code to control connectors, enumerate available modes,
441 * etc.
442 */
443struct drm_connector_funcs {
444 void (*dpms)(struct drm_connector *connector, int mode);
445 void (*save)(struct drm_connector *connector);
446 void (*restore)(struct drm_connector *connector);
Chris Wilsoneb033552011-01-24 15:11:08 +0000447 void (*reset)(struct drm_connector *connector);
Chris Wilson930a9e22010-09-14 11:07:23 +0100448
449 /* Check to see if anything is attached to the connector.
450 * @force is set to false whilst polling, true when checking the
451 * connector due to user request. @force can be used by the driver
452 * to avoid expensive, destructive operations during automated
453 * probing.
454 */
Chris Wilson7b334fc2010-09-09 23:51:02 +0100455 enum drm_connector_status (*detect)(struct drm_connector *connector,
Chris Wilson930a9e22010-09-14 11:07:23 +0100456 bool force);
Jesse Barnes40a518d2009-01-12 12:05:32 -0800457 int (*fill_modes)(struct drm_connector *connector, uint32_t max_width, uint32_t max_height);
Dave Airlief453ba02008-11-07 14:05:41 -0800458 int (*set_property)(struct drm_connector *connector, struct drm_property *property,
459 uint64_t val);
460 void (*destroy)(struct drm_connector *connector);
Dave Airlied50ba252009-09-23 14:44:08 +1000461 void (*force)(struct drm_connector *connector);
Dave Airlief453ba02008-11-07 14:05:41 -0800462};
463
Jesse Barnes6c3db922011-11-07 12:03:16 -0800464/**
465 * drm_encoder_funcs - encoder controls
466 * @reset: reset state (e.g. at init or resume time)
467 * @destroy: cleanup and free associated data
468 *
469 * Encoders sit between CRTCs and connectors.
470 */
Dave Airlief453ba02008-11-07 14:05:41 -0800471struct drm_encoder_funcs {
Chris Wilsoneb033552011-01-24 15:11:08 +0000472 void (*reset)(struct drm_encoder *encoder);
Dave Airlief453ba02008-11-07 14:05:41 -0800473 void (*destroy)(struct drm_encoder *encoder);
474};
475
476#define DRM_CONNECTOR_MAX_UMODES 16
Dave Airlief453ba02008-11-07 14:05:41 -0800477#define DRM_CONNECTOR_LEN 32
Ben Skeggsafe887d2012-01-12 16:00:57 +1000478#define DRM_CONNECTOR_MAX_ENCODER 3
Dave Airlief453ba02008-11-07 14:05:41 -0800479
480/**
481 * drm_encoder - central DRM encoder structure
Jesse Barnesdb3e4492011-11-07 12:03:17 -0800482 * @dev: parent DRM device
483 * @head: list management
484 * @base: base KMS object
485 * @encoder_type: one of the %DRM_MODE_ENCODER_<foo> types in drm_mode.h
486 * @possible_crtcs: bitmask of potential CRTC bindings
487 * @possible_clones: bitmask of potential sibling encoders for cloning
488 * @crtc: currently bound CRTC
489 * @funcs: control functions
490 * @helper_private: mid-layer private data
491 *
492 * CRTCs drive pixels to encoders, which convert them into signals
493 * appropriate for a given connector or set of connectors.
Dave Airlief453ba02008-11-07 14:05:41 -0800494 */
495struct drm_encoder {
496 struct drm_device *dev;
497 struct list_head head;
498
499 struct drm_mode_object base;
500 int encoder_type;
501 uint32_t possible_crtcs;
502 uint32_t possible_clones;
503
504 struct drm_crtc *crtc;
505 const struct drm_encoder_funcs *funcs;
506 void *helper_private;
507};
508
Dave Airlied50ba252009-09-23 14:44:08 +1000509enum drm_connector_force {
510 DRM_FORCE_UNSPECIFIED,
511 DRM_FORCE_OFF,
512 DRM_FORCE_ON, /* force on analog part normally */
513 DRM_FORCE_ON_DIGITAL, /* for DVI-I use digital connector */
514};
515
Dave Airlieeb1f8e42010-05-07 06:42:51 +0000516/* should we poll this connector for connects and disconnects */
517/* hot plug detectable */
518#define DRM_CONNECTOR_POLL_HPD (1 << 0)
519/* poll for connections */
520#define DRM_CONNECTOR_POLL_CONNECT (1 << 1)
521/* can cleanly poll for disconnections without flickering the screen */
522/* DACs should rarely do this without a lot of testing */
523#define DRM_CONNECTOR_POLL_DISCONNECT (1 << 2)
524
Wu Fengguang76adaa342011-09-05 14:23:20 +0800525#define MAX_ELD_BYTES 128
526
Dave Airlief453ba02008-11-07 14:05:41 -0800527/**
528 * drm_connector - central DRM connector control structure
Jesse Barnes72252542011-11-07 12:03:18 -0800529 * @dev: parent DRM device
530 * @kdev: kernel device for sysfs attributes
531 * @attr: sysfs attributes
532 * @head: list management
533 * @base: base KMS object
534 * @connector_type: one of the %DRM_MODE_CONNECTOR_<foo> types from drm_mode.h
535 * @connector_type_id: index into connector type enum
Dave Airlief453ba02008-11-07 14:05:41 -0800536 * @interlace_allowed: can this connector handle interlaced modes?
537 * @doublescan_allowed: can this connector handle doublescan?
Jesse Barnes72252542011-11-07 12:03:18 -0800538 * @modes: modes available on this connector (from fill_modes() + user)
539 * @status: one of the drm_connector_status enums (connected, not, or unknown)
540 * @probed_modes: list of modes derived directly from the display
541 * @display_info: information about attached display (e.g. from EDID)
Dave Airlief453ba02008-11-07 14:05:41 -0800542 * @funcs: connector control functions
Jesse Barnes72252542011-11-07 12:03:18 -0800543 * @user_modes: user added mode list
544 * @edid_blob_ptr: DRM property containing EDID if present
Paulo Zanoni7e3bdf42012-05-15 18:09:01 -0300545 * @properties: property tracking for this connector
Jesse Barnes72252542011-11-07 12:03:18 -0800546 * @polled: a %DRM_CONNECTOR_POLL_<foo> value for core driven polling
547 * @dpms: current dpms state
548 * @helper_private: mid-layer private data
549 * @force: a %DRM_FORCE_<foo> state for forced mode sets
550 * @encoder_ids: valid encoders for this connector
551 * @encoder: encoder driving this connector, if any
552 * @eld: EDID-like data, if present
553 * @dvi_dual: dual link DVI, if found
554 * @max_tmds_clock: max clock rate, if found
555 * @latency_present: AV delay info from ELD, if found
556 * @video_latency: video latency info from ELD, if found
557 * @audio_latency: audio latency info from ELD, if found
558 * @null_edid_counter: track sinks that give us all zeros for the EDID
Dave Airlief453ba02008-11-07 14:05:41 -0800559 *
560 * Each connector may be connected to one or more CRTCs, or may be clonable by
561 * another connector if they can share a CRTC. Each connector also has a specific
562 * position in the broader display (referred to as a 'screen' though it could
563 * span multiple monitors).
564 */
565struct drm_connector {
566 struct drm_device *dev;
567 struct device kdev;
568 struct device_attribute *attr;
569 struct list_head head;
570
571 struct drm_mode_object base;
572
573 int connector_type;
574 int connector_type_id;
575 bool interlace_allowed;
576 bool doublescan_allowed;
577 struct list_head modes; /* list of modes on this connector */
578
Dave Airlief453ba02008-11-07 14:05:41 -0800579 enum drm_connector_status status;
580
581 /* these are modes added by probing with DDC or the BIOS */
582 struct list_head probed_modes;
583
584 struct drm_display_info display_info;
585 const struct drm_connector_funcs *funcs;
586
587 struct list_head user_modes;
588 struct drm_property_blob *edid_blob_ptr;
Paulo Zanoni7e3bdf42012-05-15 18:09:01 -0300589 struct drm_object_properties properties;
Dave Airlief453ba02008-11-07 14:05:41 -0800590
Dave Airlieeb1f8e42010-05-07 06:42:51 +0000591 uint8_t polled; /* DRM_CONNECTOR_POLL_* */
592
Keith Packardc9fb15f2009-05-30 20:42:28 -0700593 /* requested DPMS state */
594 int dpms;
595
Dave Airlief453ba02008-11-07 14:05:41 -0800596 void *helper_private;
597
Dave Airlied50ba252009-09-23 14:44:08 +1000598 /* forced on connector */
599 enum drm_connector_force force;
Dave Airlief453ba02008-11-07 14:05:41 -0800600 uint32_t encoder_ids[DRM_CONNECTOR_MAX_ENCODER];
Dave Airlief453ba02008-11-07 14:05:41 -0800601 struct drm_encoder *encoder; /* currently active encoder */
Dave Airlie4a9a8b72011-06-14 06:13:55 +0000602
Wu Fengguang76adaa342011-09-05 14:23:20 +0800603 /* EDID bits */
604 uint8_t eld[MAX_ELD_BYTES];
605 bool dvi_dual;
606 int max_tmds_clock; /* in MHz */
607 bool latency_present[2];
608 int video_latency[2]; /* [0]: progressive, [1]: interlaced */
609 int audio_latency[2];
Dave Airlie4a9a8b72011-06-14 06:13:55 +0000610 int null_edid_counter; /* needed to workaround some HW bugs where we get all 0s */
Jerome Glisse0b2443e2012-08-09 11:25:51 -0400611 unsigned bad_edid_counter;
Dave Airlief453ba02008-11-07 14:05:41 -0800612};
613
614/**
Jesse Barnes8cf5c912011-11-14 14:51:27 -0800615 * drm_plane_funcs - driver plane control functions
616 * @update_plane: update the plane configuration
617 * @disable_plane: shut down the plane
618 * @destroy: clean up plane resources
Rob Clark4d939142012-05-17 02:23:27 -0600619 * @set_property: called when a property is changed
Jesse Barnes8cf5c912011-11-14 14:51:27 -0800620 */
621struct drm_plane_funcs {
622 int (*update_plane)(struct drm_plane *plane,
623 struct drm_crtc *crtc, struct drm_framebuffer *fb,
624 int crtc_x, int crtc_y,
625 unsigned int crtc_w, unsigned int crtc_h,
626 uint32_t src_x, uint32_t src_y,
627 uint32_t src_w, uint32_t src_h);
628 int (*disable_plane)(struct drm_plane *plane);
629 void (*destroy)(struct drm_plane *plane);
Rob Clark4d939142012-05-17 02:23:27 -0600630
631 int (*set_property)(struct drm_plane *plane,
632 struct drm_property *property, uint64_t val);
Jesse Barnes8cf5c912011-11-14 14:51:27 -0800633};
634
635/**
636 * drm_plane - central DRM plane control structure
637 * @dev: DRM device this plane belongs to
638 * @head: for list management
639 * @base: base mode object
640 * @possible_crtcs: pipes this plane can be bound to
641 * @format_types: array of formats supported by this plane
642 * @format_count: number of formats supported
643 * @crtc: currently bound CRTC
644 * @fb: currently bound fb
645 * @gamma_size: size of gamma table
646 * @gamma_store: gamma correction table
647 * @enabled: enabled flag
648 * @funcs: helper functions
649 * @helper_private: storage for drver layer
Rob Clark4d939142012-05-17 02:23:27 -0600650 * @properties: property tracking for this plane
Jesse Barnes8cf5c912011-11-14 14:51:27 -0800651 */
652struct drm_plane {
653 struct drm_device *dev;
654 struct list_head head;
655
656 struct drm_mode_object base;
657
658 uint32_t possible_crtcs;
659 uint32_t *format_types;
660 uint32_t format_count;
661
662 struct drm_crtc *crtc;
663 struct drm_framebuffer *fb;
664
665 /* CRTC gamma size for reporting to userspace */
666 uint32_t gamma_size;
667 uint16_t *gamma_store;
668
669 bool enabled;
670
671 const struct drm_plane_funcs *funcs;
672 void *helper_private;
Rob Clark4d939142012-05-17 02:23:27 -0600673
674 struct drm_object_properties properties;
Jesse Barnes8cf5c912011-11-14 14:51:27 -0800675};
676
677/**
Jesse Barnesef273512011-11-07 12:03:19 -0800678 * drm_mode_set - new values for a CRTC config change
679 * @head: list management
680 * @fb: framebuffer to use for new config
681 * @crtc: CRTC whose configuration we're about to change
682 * @mode: mode timings to use
683 * @x: position of this CRTC relative to @fb
684 * @y: position of this CRTC relative to @fb
685 * @connectors: array of connectors to drive with this CRTC if possible
686 * @num_connectors: size of @connectors array
Dave Airlief453ba02008-11-07 14:05:41 -0800687 *
688 * Represents a single crtc the connectors that it drives with what mode
689 * and from which framebuffer it scans out from.
690 *
691 * This is used to set modes.
692 */
693struct drm_mode_set {
Dave Airlief453ba02008-11-07 14:05:41 -0800694 struct drm_framebuffer *fb;
695 struct drm_crtc *crtc;
696 struct drm_display_mode *mode;
697
698 uint32_t x;
699 uint32_t y;
700
701 struct drm_connector **connectors;
702 size_t num_connectors;
703};
704
705/**
Jesse Barnes550cebc2011-11-07 12:03:20 -0800706 * struct drm_mode_config_funcs - basic driver provided mode setting functions
707 * @fb_create: create a new framebuffer object
708 * @output_poll_changed: function to handle output configuration changes
709 *
710 * Some global (i.e. not per-CRTC, connector, etc) mode setting functions that
711 * involve drivers.
Dave Airlief453ba02008-11-07 14:05:41 -0800712 */
713struct drm_mode_config_funcs {
Jesse Barnes550cebc2011-11-07 12:03:20 -0800714 struct drm_framebuffer *(*fb_create)(struct drm_device *dev,
715 struct drm_file *file_priv,
716 struct drm_mode_fb_cmd2 *mode_cmd);
Dave Airlieeb1f8e42010-05-07 06:42:51 +0000717 void (*output_poll_changed)(struct drm_device *dev);
Dave Airlief453ba02008-11-07 14:05:41 -0800718};
719
Jesse Barnesc1aaca22011-11-07 12:03:21 -0800720/**
721 * drm_mode_group - group of mode setting resources for potential sub-grouping
722 * @num_crtcs: CRTC count
723 * @num_encoders: encoder count
724 * @num_connectors: connector count
725 * @id_list: list of KMS object IDs in this group
726 *
727 * Currently this simply tracks the global mode setting state. But in the
728 * future it could allow groups of objects to be set aside into independent
729 * control groups for use by different user level processes (e.g. two X servers
730 * running simultaneously on different heads, each with their own mode
731 * configuration and freedom of mode setting).
732 */
Dave Airlief453ba02008-11-07 14:05:41 -0800733struct drm_mode_group {
734 uint32_t num_crtcs;
735 uint32_t num_encoders;
736 uint32_t num_connectors;
737
738 /* list of object IDs for this group */
739 uint32_t *id_list;
740};
741
742/**
743 * drm_mode_config - Mode configuration control structure
Jesse Barnesa62c93d2011-11-07 12:03:22 -0800744 * @mutex: mutex protecting KMS related lists and structures
745 * @idr_mutex: mutex for KMS ID allocation and management
746 * @crtc_idr: main KMS ID tracking object
747 * @num_fb: number of fbs available
748 * @fb_list: list of framebuffers available
749 * @num_connector: number of connectors on this device
750 * @connector_list: list of connector objects
751 * @num_encoder: number of encoders on this device
752 * @encoder_list: list of encoder objects
753 * @num_crtc: number of CRTCs on this device
754 * @crtc_list: list of CRTC objects
755 * @min_width: minimum pixel width on this device
756 * @min_height: minimum pixel height on this device
757 * @max_width: maximum pixel width on this device
758 * @max_height: maximum pixel height on this device
759 * @funcs: core driver provided mode setting functions
760 * @fb_base: base address of the framebuffer
761 * @poll_enabled: track polling status for this device
762 * @output_poll_work: delayed work for polling in process context
763 * @*_property: core property tracking
Dave Airlief453ba02008-11-07 14:05:41 -0800764 *
Jesse Barnesa62c93d2011-11-07 12:03:22 -0800765 * Core mode resource tracking structure. All CRTC, encoders, and connectors
766 * enumerated by the driver are added here, as are global properties. Some
767 * global restrictions are also here, e.g. dimension restrictions.
Dave Airlief453ba02008-11-07 14:05:41 -0800768 */
769struct drm_mode_config {
Jesse Barnesad2563c2009-01-19 17:21:45 +1000770 struct mutex mutex; /* protects configuration (mode lists etc.) */
771 struct mutex idr_mutex; /* for IDR management */
Dave Airlief453ba02008-11-07 14:05:41 -0800772 struct idr crtc_idr; /* use this idr for all IDs, fb, crtc, connector, modes - just makes life easier */
773 /* this is limited to one for now */
774 int num_fb;
775 struct list_head fb_list;
776 int num_connector;
777 struct list_head connector_list;
778 int num_encoder;
779 struct list_head encoder_list;
Jesse Barnes8cf5c912011-11-14 14:51:27 -0800780 int num_plane;
781 struct list_head plane_list;
Dave Airlief453ba02008-11-07 14:05:41 -0800782
783 int num_crtc;
784 struct list_head crtc_list;
785
786 struct list_head property_list;
787
Dave Airlief453ba02008-11-07 14:05:41 -0800788 int min_width, min_height;
789 int max_width, max_height;
Laurent Pincharte6ecefa2012-05-17 13:27:23 +0200790 const struct drm_mode_config_funcs *funcs;
Benjamin Herrenschmidtd883f7f2009-02-02 16:55:45 +1100791 resource_size_t fb_base;
Dave Airlief453ba02008-11-07 14:05:41 -0800792
Dave Airlieeb1f8e42010-05-07 06:42:51 +0000793 /* output poll support */
794 bool poll_enabled;
Tejun Heo991ea752010-07-20 22:09:02 +0200795 struct delayed_work output_poll_work;
Dave Airlieeb1f8e42010-05-07 06:42:51 +0000796
Dave Airlief453ba02008-11-07 14:05:41 -0800797 /* pointers to standard properties */
798 struct list_head property_blob_list;
799 struct drm_property *edid_property;
800 struct drm_property *dpms_property;
801
802 /* DVI-I properties */
803 struct drm_property *dvi_i_subconnector_property;
804 struct drm_property *dvi_i_select_subconnector_property;
805
806 /* TV properties */
807 struct drm_property *tv_subconnector_property;
808 struct drm_property *tv_select_subconnector_property;
809 struct drm_property *tv_mode_property;
810 struct drm_property *tv_left_margin_property;
811 struct drm_property *tv_right_margin_property;
812 struct drm_property *tv_top_margin_property;
813 struct drm_property *tv_bottom_margin_property;
Francisco Jerezb6b79022009-08-02 04:19:20 +0200814 struct drm_property *tv_brightness_property;
815 struct drm_property *tv_contrast_property;
816 struct drm_property *tv_flicker_reduction_property;
Francisco Jereza75f0232009-08-12 02:30:10 +0200817 struct drm_property *tv_overscan_property;
818 struct drm_property *tv_saturation_property;
819 struct drm_property *tv_hue_property;
Dave Airlief453ba02008-11-07 14:05:41 -0800820
821 /* Optional properties */
822 struct drm_property *scaling_mode_property;
823 struct drm_property *dithering_mode_property;
Jakob Bornecrantz884840a2009-12-03 23:25:47 +0000824 struct drm_property *dirty_info_property;
Dave Airlie019d96c2011-09-29 16:20:42 +0100825
826 /* dumb ioctl parameters */
827 uint32_t preferred_depth, prefer_shadow;
Dave Airlief453ba02008-11-07 14:05:41 -0800828};
829
830#define obj_to_crtc(x) container_of(x, struct drm_crtc, base)
831#define obj_to_connector(x) container_of(x, struct drm_connector, base)
832#define obj_to_encoder(x) container_of(x, struct drm_encoder, base)
833#define obj_to_mode(x) container_of(x, struct drm_display_mode, base)
834#define obj_to_fb(x) container_of(x, struct drm_framebuffer, base)
835#define obj_to_property(x) container_of(x, struct drm_property, base)
836#define obj_to_blob(x) container_of(x, struct drm_property_blob, base)
Jesse Barnes8cf5c912011-11-14 14:51:27 -0800837#define obj_to_plane(x) container_of(x, struct drm_plane, base)
Dave Airlief453ba02008-11-07 14:05:41 -0800838
Sascha Hauer4a67d392012-02-06 10:58:17 +0100839struct drm_prop_enum_list {
840 int type;
841 char *name;
842};
Dave Airlief453ba02008-11-07 14:05:41 -0800843
Ville Syrjälä6bfc56a2012-03-13 12:35:48 +0200844extern int drm_crtc_init(struct drm_device *dev,
845 struct drm_crtc *crtc,
846 const struct drm_crtc_funcs *funcs);
Dave Airlief453ba02008-11-07 14:05:41 -0800847extern void drm_crtc_cleanup(struct drm_crtc *crtc);
848
Ville Syrjälä6bfc56a2012-03-13 12:35:48 +0200849extern int drm_connector_init(struct drm_device *dev,
850 struct drm_connector *connector,
851 const struct drm_connector_funcs *funcs,
852 int connector_type);
Dave Airlief453ba02008-11-07 14:05:41 -0800853
854extern void drm_connector_cleanup(struct drm_connector *connector);
Dave Airliecbc7e222012-02-20 14:16:40 +0000855/* helper to unplug all connectors from sysfs for device */
856extern void drm_connector_unplug_all(struct drm_device *dev);
Dave Airlief453ba02008-11-07 14:05:41 -0800857
Ville Syrjälä6bfc56a2012-03-13 12:35:48 +0200858extern int drm_encoder_init(struct drm_device *dev,
859 struct drm_encoder *encoder,
860 const struct drm_encoder_funcs *funcs,
861 int encoder_type);
Dave Airlief453ba02008-11-07 14:05:41 -0800862
Jesse Barnes8cf5c912011-11-14 14:51:27 -0800863extern int drm_plane_init(struct drm_device *dev,
864 struct drm_plane *plane,
865 unsigned long possible_crtcs,
866 const struct drm_plane_funcs *funcs,
Rob Clark0a7eb242011-12-13 20:19:36 -0600867 const uint32_t *formats, uint32_t format_count,
868 bool priv);
Jesse Barnes8cf5c912011-11-14 14:51:27 -0800869extern void drm_plane_cleanup(struct drm_plane *plane);
870
Dave Airlief453ba02008-11-07 14:05:41 -0800871extern void drm_encoder_cleanup(struct drm_encoder *encoder);
872
873extern char *drm_get_connector_name(struct drm_connector *connector);
874extern char *drm_get_dpms_name(int val);
875extern char *drm_get_dvi_i_subconnector_name(int val);
876extern char *drm_get_dvi_i_select_name(int val);
877extern char *drm_get_tv_subconnector_name(int val);
878extern char *drm_get_tv_select_name(int val);
Kristian Høgsbergea39f832009-02-12 14:37:56 -0500879extern void drm_fb_release(struct drm_file *file_priv);
Dave Airlief453ba02008-11-07 14:05:41 -0800880extern int drm_mode_group_init_legacy_group(struct drm_device *dev, struct drm_mode_group *group);
Adam Jacksonfbff4692012-09-18 10:58:47 -0400881extern bool drm_probe_ddc(struct i2c_adapter *adapter);
Dave Airlief453ba02008-11-07 14:05:41 -0800882extern struct edid *drm_get_edid(struct drm_connector *connector,
883 struct i2c_adapter *adapter);
Dave Airlief453ba02008-11-07 14:05:41 -0800884extern int drm_add_edid_modes(struct drm_connector *connector, struct edid *edid);
885extern void drm_mode_probed_add(struct drm_connector *connector, struct drm_display_mode *mode);
886extern void drm_mode_remove(struct drm_connector *connector, struct drm_display_mode *mode);
Ville Syrjäläc3c50e82012-03-13 12:35:51 +0200887extern void drm_mode_copy(struct drm_display_mode *dst, const struct drm_display_mode *src);
Dave Airlief453ba02008-11-07 14:05:41 -0800888extern struct drm_display_mode *drm_mode_duplicate(struct drm_device *dev,
Chris Wilsonb1f559e2011-01-26 09:49:47 +0000889 const struct drm_display_mode *mode);
Dave Airlief453ba02008-11-07 14:05:41 -0800890extern void drm_mode_debug_printmodeline(struct drm_display_mode *mode);
891extern void drm_mode_config_init(struct drm_device *dev);
Chris Wilsoneb033552011-01-24 15:11:08 +0000892extern void drm_mode_config_reset(struct drm_device *dev);
Dave Airlief453ba02008-11-07 14:05:41 -0800893extern void drm_mode_config_cleanup(struct drm_device *dev);
894extern void drm_mode_set_name(struct drm_display_mode *mode);
895extern bool drm_mode_equal(struct drm_display_mode *mode1, struct drm_display_mode *mode2);
896extern int drm_mode_width(struct drm_display_mode *mode);
897extern int drm_mode_height(struct drm_display_mode *mode);
898
899/* for us by fb module */
900extern int drm_mode_attachmode_crtc(struct drm_device *dev,
901 struct drm_crtc *crtc,
Ville Syrjäläac235da2012-03-13 12:35:46 +0200902 const struct drm_display_mode *mode);
Dave Airlief453ba02008-11-07 14:05:41 -0800903extern int drm_mode_detachmode_crtc(struct drm_device *dev, struct drm_display_mode *mode);
904
905extern struct drm_display_mode *drm_mode_create(struct drm_device *dev);
906extern void drm_mode_destroy(struct drm_device *dev, struct drm_display_mode *mode);
907extern void drm_mode_list_concat(struct list_head *head,
908 struct list_head *new);
909extern void drm_mode_validate_size(struct drm_device *dev,
910 struct list_head *mode_list,
911 int maxX, int maxY, int maxPitch);
912extern void drm_mode_prune_invalid(struct drm_device *dev,
913 struct list_head *mode_list, bool verbose);
914extern void drm_mode_sort(struct list_head *mode_list);
Chris Wilsonb1f559e2011-01-26 09:49:47 +0000915extern int drm_mode_hsync(const struct drm_display_mode *mode);
916extern int drm_mode_vrefresh(const struct drm_display_mode *mode);
Dave Airlief453ba02008-11-07 14:05:41 -0800917extern void drm_mode_set_crtcinfo(struct drm_display_mode *p,
918 int adjust_flags);
919extern void drm_mode_connector_list_update(struct drm_connector *connector);
920extern int drm_mode_connector_update_edid_property(struct drm_connector *connector,
921 struct edid *edid);
922extern int drm_connector_property_set_value(struct drm_connector *connector,
923 struct drm_property *property,
924 uint64_t value);
925extern int drm_connector_property_get_value(struct drm_connector *connector,
926 struct drm_property *property,
927 uint64_t *value);
Paulo Zanonic5431882012-05-15 18:09:02 -0300928extern int drm_object_property_set_value(struct drm_mode_object *obj,
929 struct drm_property *property,
930 uint64_t val);
931extern int drm_object_property_get_value(struct drm_mode_object *obj,
932 struct drm_property *property,
933 uint64_t *value);
Dave Airlief453ba02008-11-07 14:05:41 -0800934extern struct drm_display_mode *drm_crtc_mode_create(struct drm_device *dev);
935extern void drm_framebuffer_set_object(struct drm_device *dev,
936 unsigned long handle);
937extern int drm_framebuffer_init(struct drm_device *dev,
938 struct drm_framebuffer *fb,
939 const struct drm_framebuffer_funcs *funcs);
Rob Clarkf7eff602012-09-05 21:48:38 +0000940extern void drm_framebuffer_unreference(struct drm_framebuffer *fb);
941extern void drm_framebuffer_reference(struct drm_framebuffer *fb);
942extern void drm_framebuffer_remove(struct drm_framebuffer *fb);
Dave Airlief453ba02008-11-07 14:05:41 -0800943extern void drm_framebuffer_cleanup(struct drm_framebuffer *fb);
944extern int drmfb_probe(struct drm_device *dev, struct drm_crtc *crtc);
945extern int drmfb_remove(struct drm_device *dev, struct drm_framebuffer *fb);
946extern void drm_crtc_probe_connector_modes(struct drm_device *dev, int maxX, int maxY);
947extern bool drm_crtc_in_use(struct drm_crtc *crtc);
948
Paulo Zanoniafea2ad2012-05-15 18:09:00 -0300949extern void drm_connector_attach_property(struct drm_connector *connector,
950 struct drm_property *property, uint64_t init_val);
Paulo Zanonic5431882012-05-15 18:09:02 -0300951extern void drm_object_attach_property(struct drm_mode_object *obj,
952 struct drm_property *property,
953 uint64_t init_val);
Dave Airlief453ba02008-11-07 14:05:41 -0800954extern struct drm_property *drm_property_create(struct drm_device *dev, int flags,
955 const char *name, int num_values);
Sascha Hauer4a67d392012-02-06 10:58:17 +0100956extern struct drm_property *drm_property_create_enum(struct drm_device *dev, int flags,
957 const char *name,
958 const struct drm_prop_enum_list *props,
959 int num_values);
Rob Clark49e27542012-05-17 02:23:26 -0600960struct drm_property *drm_property_create_bitmask(struct drm_device *dev,
961 int flags, const char *name,
962 const struct drm_prop_enum_list *props,
963 int num_values);
Sascha Hauerd9bc3c02012-02-06 10:58:18 +0100964struct drm_property *drm_property_create_range(struct drm_device *dev, int flags,
965 const char *name,
966 uint64_t min, uint64_t max);
Dave Airlief453ba02008-11-07 14:05:41 -0800967extern void drm_property_destroy(struct drm_device *dev, struct drm_property *property);
968extern int drm_property_add_enum(struct drm_property *property, int index,
969 uint64_t value, const char *name);
970extern int drm_mode_create_dvi_i_properties(struct drm_device *dev);
971extern int drm_mode_create_tv_properties(struct drm_device *dev, int num_formats,
972 char *formats[]);
973extern int drm_mode_create_scaling_mode_property(struct drm_device *dev);
974extern int drm_mode_create_dithering_property(struct drm_device *dev);
Jakob Bornecrantz884840a2009-12-03 23:25:47 +0000975extern int drm_mode_create_dirty_info_property(struct drm_device *dev);
Dave Airlief453ba02008-11-07 14:05:41 -0800976extern char *drm_get_encoder_name(struct drm_encoder *encoder);
977
978extern int drm_mode_connector_attach_encoder(struct drm_connector *connector,
979 struct drm_encoder *encoder);
980extern void drm_mode_connector_detach_encoder(struct drm_connector *connector,
981 struct drm_encoder *encoder);
Sascha Hauer4cae5b82012-02-01 11:38:23 +0100982extern int drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc,
Dave Airlief453ba02008-11-07 14:05:41 -0800983 int gamma_size);
Daniel Vetter7a9c9062009-09-15 22:57:31 +0200984extern struct drm_mode_object *drm_mode_object_find(struct drm_device *dev,
985 uint32_t id, uint32_t type);
Dave Airlief453ba02008-11-07 14:05:41 -0800986/* IOCTLs */
987extern int drm_mode_getresources(struct drm_device *dev,
988 void *data, struct drm_file *file_priv);
Jesse Barnes8cf5c912011-11-14 14:51:27 -0800989extern int drm_mode_getplane_res(struct drm_device *dev, void *data,
990 struct drm_file *file_priv);
Dave Airlief453ba02008-11-07 14:05:41 -0800991extern int drm_mode_getcrtc(struct drm_device *dev,
992 void *data, struct drm_file *file_priv);
993extern int drm_mode_getconnector(struct drm_device *dev,
994 void *data, struct drm_file *file_priv);
995extern int drm_mode_setcrtc(struct drm_device *dev,
996 void *data, struct drm_file *file_priv);
Jesse Barnes8cf5c912011-11-14 14:51:27 -0800997extern int drm_mode_getplane(struct drm_device *dev,
998 void *data, struct drm_file *file_priv);
999extern int drm_mode_setplane(struct drm_device *dev,
1000 void *data, struct drm_file *file_priv);
Dave Airlief453ba02008-11-07 14:05:41 -08001001extern int drm_mode_cursor_ioctl(struct drm_device *dev,
1002 void *data, struct drm_file *file_priv);
1003extern int drm_mode_addfb(struct drm_device *dev,
1004 void *data, struct drm_file *file_priv);
Jesse Barnes308e5bc2011-11-14 14:51:28 -08001005extern int drm_mode_addfb2(struct drm_device *dev,
1006 void *data, struct drm_file *file_priv);
1007extern uint32_t drm_mode_legacy_fb_format(uint32_t bpp, uint32_t depth);
Dave Airlief453ba02008-11-07 14:05:41 -08001008extern int drm_mode_rmfb(struct drm_device *dev,
1009 void *data, struct drm_file *file_priv);
1010extern int drm_mode_getfb(struct drm_device *dev,
1011 void *data, struct drm_file *file_priv);
Jakob Bornecrantz884840a2009-12-03 23:25:47 +00001012extern int drm_mode_dirtyfb_ioctl(struct drm_device *dev,
1013 void *data, struct drm_file *file_priv);
Dave Airlief453ba02008-11-07 14:05:41 -08001014extern int drm_mode_addmode_ioctl(struct drm_device *dev,
1015 void *data, struct drm_file *file_priv);
1016extern int drm_mode_rmmode_ioctl(struct drm_device *dev,
1017 void *data, struct drm_file *file_priv);
1018extern int drm_mode_attachmode_ioctl(struct drm_device *dev,
1019 void *data, struct drm_file *file_priv);
1020extern int drm_mode_detachmode_ioctl(struct drm_device *dev,
1021 void *data, struct drm_file *file_priv);
1022
1023extern int drm_mode_getproperty_ioctl(struct drm_device *dev,
1024 void *data, struct drm_file *file_priv);
1025extern int drm_mode_getblob_ioctl(struct drm_device *dev,
1026 void *data, struct drm_file *file_priv);
1027extern int drm_mode_connector_property_set_ioctl(struct drm_device *dev,
1028 void *data, struct drm_file *file_priv);
1029extern int drm_mode_hotplug_ioctl(struct drm_device *dev,
1030 void *data, struct drm_file *file_priv);
1031extern int drm_mode_replacefb(struct drm_device *dev,
1032 void *data, struct drm_file *file_priv);
1033extern int drm_mode_getencoder(struct drm_device *dev,
1034 void *data, struct drm_file *file_priv);
1035extern int drm_mode_gamma_get_ioctl(struct drm_device *dev,
1036 void *data, struct drm_file *file_priv);
1037extern int drm_mode_gamma_set_ioctl(struct drm_device *dev,
1038 void *data, struct drm_file *file_priv);
Ben Skeggseccaca22011-03-30 05:03:47 +00001039extern u8 *drm_find_cea_extension(struct edid *edid);
Ma Lingf23c20c2009-03-26 19:26:23 +08001040extern bool drm_detect_hdmi_monitor(struct edid *edid);
Zhenyu Wang8fe97902010-09-19 14:27:28 +08001041extern bool drm_detect_monitor_audio(struct edid *edid);
Kristian Høgsbergd91d8a32009-11-17 12:43:55 -05001042extern int drm_mode_page_flip_ioctl(struct drm_device *dev,
1043 void *data, struct drm_file *file_priv);
Zhao Yakuid782c3f2009-06-22 13:17:08 +08001044extern struct drm_display_mode *drm_cvt_mode(struct drm_device *dev,
1045 int hdisplay, int vdisplay, int vrefresh,
Dave Airlied50ba252009-09-23 14:44:08 +10001046 bool reduced, bool interlaced, bool margins);
Zhao Yakui26bbdad2009-06-22 13:17:09 +08001047extern struct drm_display_mode *drm_gtf_mode(struct drm_device *dev,
1048 int hdisplay, int vdisplay, int vrefresh,
1049 bool interlaced, int margins);
Adam Jackson7a374352010-03-29 21:43:30 +00001050extern struct drm_display_mode *drm_gtf_mode_complex(struct drm_device *dev,
1051 int hdisplay, int vdisplay, int vrefresh,
1052 bool interlaced, int margins, int GTF_M,
1053 int GTF_2C, int GTF_K, int GTF_2J);
Zhao Yakuif0fda0a2009-09-03 09:33:48 +08001054extern int drm_add_modes_noedid(struct drm_connector *connector,
1055 int hdisplay, int vdisplay);
Alex Deucher3c537882010-02-05 04:21:19 -05001056
Thomas Reim051963d2011-07-29 14:28:57 +00001057extern int drm_edid_header_is_valid(const u8 *raw_edid);
Jerome Glisse0b2443e2012-08-09 11:25:51 -04001058extern bool drm_edid_block_valid(u8 *raw_edid, int block, bool print_bad_edid);
Alex Deucher3c537882010-02-05 04:21:19 -05001059extern bool drm_edid_is_valid(struct edid *edid);
Dave Airlie1d42bbc2010-05-07 05:02:30 +00001060struct drm_display_mode *drm_mode_find_dmt(struct drm_device *dev,
Adam Jacksonf6e252b2012-04-13 16:33:31 -04001061 int hsize, int vsize, int fresh,
1062 bool rb);
Dave Airlieff72145b2011-02-07 12:16:14 +10001063
1064extern int drm_mode_create_dumb_ioctl(struct drm_device *dev,
1065 void *data, struct drm_file *file_priv);
1066extern int drm_mode_mmap_dumb_ioctl(struct drm_device *dev,
1067 void *data, struct drm_file *file_priv);
1068extern int drm_mode_destroy_dumb_ioctl(struct drm_device *dev,
1069 void *data, struct drm_file *file_priv);
Paulo Zanonic5431882012-05-15 18:09:02 -03001070extern int drm_mode_obj_get_properties_ioctl(struct drm_device *dev, void *data,
1071 struct drm_file *file_priv);
1072extern int drm_mode_obj_set_property_ioctl(struct drm_device *dev, void *data,
1073 struct drm_file *file_priv);
Dave Airlie248dbc22011-11-29 20:02:54 +00001074
1075extern void drm_fb_get_bpp_depth(uint32_t format, unsigned int *depth,
1076 int *bpp);
Ville Syrjälä141670e2012-04-05 21:35:15 +03001077extern int drm_format_num_planes(uint32_t format);
Ville Syrjälä5a86bd52012-04-05 21:35:16 +03001078extern int drm_format_plane_cpp(uint32_t format, int plane);
Ville Syrjälä01b68b02012-04-05 21:35:17 +03001079extern int drm_format_horz_chroma_subsampling(uint32_t format);
1080extern int drm_format_vert_chroma_subsampling(uint32_t format);
Ville Syrjälä141670e2012-04-05 21:35:15 +03001081
Dave Airlief453ba02008-11-07 14:05:41 -08001082#endif /* __DRM_CRTC_H__ */